From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 003E5364E81; Fri, 20 Mar 2026 22:54:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774047290; cv=none; b=Q9COTWxNgS5yWk9KgsocKxBHB16E6cubYN7zSO05Jul0pWlhSXZvM7coBM4QkuSusMhM36ax3/ww4oVWmupNUxqQdPhkDyKnFHGe2pynk7rxPzkpyZZuMJbg8jBSwlUJfkcL0rCHrOEkzOx0q3xE35pGjno/G0p1Izr/d9fb2Wc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774047290; c=relaxed/simple; bh=rB9GsHbvZiDDyjSTW/3nkSitJ293cZ0IcAZ8G1VZ3DI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qP280CguMCKI+IFCNYYWq621GSEu2ecLexEYpSX/nPGP0E0Es6Uo0Mh2gJy6QMX0JFLiTLBUfoTdFRu9+eDFPMyKfX0tMXF3QpcQDoqMgKHWu0e5B8VWiR/krYgYoAKA9sVsbtjCCtwZkSaoc1Boq/NovSjoESikOZE9qj4MFUE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CaM5afwj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CaM5afwj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47143C4CEF7; Fri, 20 Mar 2026 22:54:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774047289; bh=rB9GsHbvZiDDyjSTW/3nkSitJ293cZ0IcAZ8G1VZ3DI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CaM5afwjwOaq/wRxreUigW0l1RE2qzGtL2OiYKHaHh0lbRi/rgQV4BmiqOf6Iw1Da drij9A+Cs09S5UC/RwBUGAH4b/MHJYFXNww1q4Py0GacDnLxEeSkzIg0sIsvMVrNSg KJ8rh/ixrWI7plNXKRFvFFUZYhWHX36UQBNRdYDWMhbBDqV5oYC9sMgOFo8U5hSho+ /0b5xBwtBTx5airmBxX1bKPS+BNYfgpemf9LxIzgLU9wJoLC9Jz85Ak8f3PorXkI0o qwz+uAe0jA3a2cvrEiJbhTfsE2yv6C9SWED/wt0pz6/MfyYTcpEa8ui+6t2F2S+cWX 8b6gAlLF2xT+Q== From: Thierry Reding To: Thierry Reding , Bjorn Helgaas , Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Jon Hunter , Mikko Perttunen , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v2 1/5] soc/tegra: Update BPMP ABI header Date: Fri, 20 Mar 2026 23:54:33 +0100 Message-ID: <20260320225443.2571920-2-thierry.reding@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260320225443.2571920-1-thierry.reding@kernel.org> References: <20260320225443.2571920-1-thierry.reding@kernel.org> Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Thierry Reding This update primarily adds various new commands and MRQs for Tegra264, but also contains a few new annotations and fixes. Signed-off-by: Thierry Reding --- Changes in v2: - remove SPDX-FileCopyrightText tag include/soc/tegra/bpmp-abi.h | 4565 +++++++++++++++++++++++++++------- 1 file changed, 3671 insertions(+), 894 deletions(-) diff --git a/include/soc/tegra/bpmp-abi.h b/include/soc/tegra/bpmp-abi.h index 39bb3f87e28d..5c64b3e02211 100644 --- a/include/soc/tegra/bpmp-abi.h +++ b/include/soc/tegra/bpmp-abi.h @@ -1,6 +1,6 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ /* - * Copyright (c) 2014-2022, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2014-2025, NVIDIA CORPORATION. All rights reserved. */ #ifndef ABI_BPMP_ABI_H @@ -74,6 +74,7 @@ /** * @ingroup MRQ_Format + * * Request an answer from the peer. * This should be set in mrq_request::flags for all requests targetted * at BPMP. For requests originating in BPMP, this flag is optional except @@ -85,6 +86,7 @@ /** * @ingroup MRQ_Format + * * Ring the sender's doorbell when responding. This should be set unless * the sender wants to poll the underlying communications layer directly. * @@ -94,7 +96,9 @@ /** * @ingroup MRQ_Format - * CRC present + * + * This is set in mrq_request::flags for requests that have CRC present and + * correspondingly in mrq_response::flags for responses that have CRC present. */ #define BPMP_MAIL_CRC_PRESENT (1U << 2U) @@ -127,91 +131,319 @@ struct mrq_request { * crc16, xid and length fields are present when set. * Some platform configurations, especially when targeted to applications requiring * functional safety, mandate this option being set or otherwise will respond with - * -BPMP_EBADMSG and ignore the request. + * -#BPMP_EBADMSG and ignore the request. * * **xid** is a transaction ID. * * Only used when #BPMP_MAIL_CRC_PRESENT is set. * * **payload_length** of the message expressed in bytes without the size of this header. - * See table below for minimum accepted payload lengths for each MRQ. - * Note: For DMCE communication, this field expresses the length as a multiple of 4 bytes - * rather than bytes. + * See tables below for minimum accepted payload lengths for each MRQ. * * Only used when #BPMP_MAIL_CRC_PRESENT is set. * - * | MRQ | CMD | minimum payload length - * | -------------------- | ------------------------------------ | ------------------------------------------ | - * | MRQ_PING | | 4 | - * | MRQ_THREADED_PING | | 4 | - * | MRQ_RESET | any | 8 | - * | MRQ_I2C | | 12 + cmd_i2c_xfer_request.data_size | - * | MRQ_CLK | CMD_CLK_GET_RATE | 4 | - * | MRQ_CLK | CMD_CLK_SET_RATE | 16 | - * | MRQ_CLK | CMD_CLK_ROUND_RATE | 16 | - * | MRQ_CLK | CMD_CLK_GET_PARENT | 4 | - * | MRQ_CLK | CMD_CLK_SET_PARENT | 8 | - * | MRQ_CLK | CMD_CLK_ENABLE | 4 | - * | MRQ_CLK | CMD_CLK_DISABLE | 4 | - * | MRQ_CLK | CMD_CLK_IS_ENABLED | 4 | - * | MRQ_CLK | CMD_CLK_GET_ALL_INFO | 4 | - * | MRQ_CLK | CMD_CLK_GET_MAX_CLK_ID | 4 | - * | MRQ_CLK | CMD_CLK_GET_FMAX_AT_VMIN | 4 | - * | MRQ_QUERY_ABI | | 4 | - * | MRQ_PG | CMD_PG_QUERY_ABI | 12 | - * | MRQ_PG | CMD_PG_SET_STATE | 12 | - * | MRQ_PG | CMD_PG_GET_STATE | 8 | - * | MRQ_PG | CMD_PG_GET_NAME | 8 | - * | MRQ_PG | CMD_PG_GET_MAX_ID | 8 | - * | MRQ_THERMAL | CMD_THERMAL_QUERY_ABI | 8 | - * | MRQ_THERMAL | CMD_THERMAL_GET_TEMP | 8 | - * | MRQ_THERMAL | CMD_THERMAL_SET_TRIP | 20 | - * | MRQ_THERMAL | CMD_THERMAL_GET_NUM_ZONES | 4 | - * | MRQ_THERMAL | CMD_THERMAL_GET_THERMTRIP | 8 | - * | MRQ_CPU_VHINT | | 8 | - * | MRQ_ABI_RATCHET | | 2 | - * | MRQ_EMC_DVFS_LATENCY | | 8 | - * | MRQ_EMC_DVFS_EMCHUB | | 8 | - * | MRQ_EMC_DISP_RFL | | 4 | - * | MRQ_BWMGR | CMD_BWMGR_QUERY_ABI | 8 | - * | MRQ_BWMGR | CMD_BWMGR_CALC_RATE | 8 + 8 * bwmgr_rate_req.num_iso_clients | - * | MRQ_ISO_CLIENT | CMD_ISO_CLIENT_QUERY_ABI | 8 | - * | MRQ_ISO_CLIENT | CMD_ISO_CLIENT_CALCULATE_LA | 16 | - * | MRQ_ISO_CLIENT | CMD_ISO_CLIENT_SET_LA | 16 | - * | MRQ_ISO_CLIENT | CMD_ISO_CLIENT_GET_MAX_BW | 8 | - * | MRQ_CPU_NDIV_LIMITS | | 4 | - * | MRQ_CPU_AUTO_CC3 | | 4 | - * | MRQ_RINGBUF_CONSOLE | CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | - * | MRQ_RINGBUF_CONSOLE | CMD_RINGBUF_CONSOLE_READ | 5 | - * | MRQ_RINGBUF_CONSOLE | CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | - * | MRQ_RINGBUF_CONSOLE | CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | - * | MRQ_STRAP | STRAP_SET | 12 | - * | MRQ_UPHY | CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | - * | MRQ_UPHY | CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | - * | MRQ_UPHY | CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | - * | MRQ_UPHY | CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | - * | MRQ_UPHY | CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | - * | MRQ_FMON | CMD_FMON_GEAR_CLAMP | 16 | - * | MRQ_FMON | CMD_FMON_GEAR_FREE | 4 | - * | MRQ_FMON | CMD_FMON_GEAR_GET | 4 | - * | MRQ_FMON | CMD_FMON_FAULT_STS_GET | 8 | - * | MRQ_EC | CMD_EC_STATUS_EX_GET | 12 | - * | MRQ_QUERY_FW_TAG | | 0 | - * | MRQ_DEBUG | CMD_DEBUG_OPEN_RO | 4 + length of cmd_debug_fopen_request.name | - * | MRQ_DEBUG | CMD_DEBUG_OPEN_WO | 4 + length of cmd_debug_fopen_request.name | - * | MRQ_DEBUG | CMD_DEBUG_READ | 8 | - * | MRQ_DEBUG | CMD_DEBUG_WRITE | 12 + cmd_debug_fwrite_request.datalen | - * | MRQ_DEBUG | CMD_DEBUG_CLOSE | 8 | - * | MRQ_TELEMETRY | | 8 | - * | MRQ_PWR_LIMIT | CMD_PWR_LIMIT_QUERY_ABI | 8 | - * | MRQ_PWR_LIMIT | CMD_PWR_LIMIT_SET | 20 | - * | MRQ_PWR_LIMIT | CMD_PWR_LIMIT_GET | 16 | - * | MRQ_PWR_LIMIT | CMD_PWR_LIMIT_CURR_CAP | 8 | - * | MRQ_GEARS | | 0 | - * | MRQ_BWMGR_INT | CMD_BWMGR_INT_QUERY_ABI | 8 | - * | MRQ_BWMGR_INT | CMD_BWMGR_INT_CALC_AND_SET | 16 | - * | MRQ_BWMGR_INT | CMD_BWMGR_INT_CAP_SET | 8 | - * | MRQ_OC_STATUS | | 0 | + * | MRQ | Sub-command | Minimum payload length + * | --------------------- | ------------------------------------ | ------------------------------------------------------- | + * | #MRQ_PING | - | 4 | + * | #MRQ_THREADED_PING | - | 4 | + * | #MRQ_RESET | any | 8 | + * | #MRQ_I2C | - | 12 + cmd_i2c_xfer_request.data_size | + * | #MRQ_CLK | #CMD_CLK_GET_RATE | 4 | + * | #MRQ_CLK | #CMD_CLK_SET_RATE | 16 | + * | #MRQ_CLK | #CMD_CLK_ROUND_RATE | 16 | + * | #MRQ_CLK | #CMD_CLK_GET_PARENT | 4 | + * | #MRQ_CLK | #CMD_CLK_SET_PARENT | 8 | + * | #MRQ_CLK | #CMD_CLK_ENABLE | 4 | + * | #MRQ_CLK | #CMD_CLK_DISABLE | 4 | + * | #MRQ_CLK | #CMD_CLK_IS_ENABLED | 4 | + * | #MRQ_CLK | #CMD_CLK_GET_ALL_INFO | 4 | + * | #MRQ_CLK | #CMD_CLK_GET_MAX_CLK_ID | 4 | + * | #MRQ_CLK | #CMD_CLK_GET_FMAX_AT_VMIN | 4 | + * | #MRQ_QUERY_ABI | - | 4 | + * | #MRQ_PG | #CMD_PG_QUERY_ABI | 12 | + * | #MRQ_PG | #CMD_PG_SET_STATE | 12 | + * | #MRQ_PG | #CMD_PG_GET_STATE | 8 | + * | #MRQ_PG | #CMD_PG_GET_NAME | 8 | + * | #MRQ_PG | #CMD_PG_GET_MAX_ID | 8 | + * | #MRQ_THERMAL | #CMD_THERMAL_QUERY_ABI | 8 | + * | #MRQ_THERMAL | #CMD_THERMAL_GET_TEMP | 8 | + * | #MRQ_THERMAL | #CMD_THERMAL_GET_NUM_ZONES | 4 | + * | #MRQ_THERMAL | #CMD_THERMAL_GET_THERMTRIP | 8 | + * | #MRQ_ABI_RATCHET | - | 2 | + * | #MRQ_EMC_DVFS_LATENCY | - | 8 | + * | #MRQ_QUERY_FW_TAG | - | 0 | + * | #MRQ_DEBUG | #CMD_DEBUG_OPEN_RO | 4 + length of cmd_debug_fopen_request.name | + * | #MRQ_DEBUG | #CMD_DEBUG_OPEN_WO | 4 + length of cmd_debug_fopen_request.name | + * | #MRQ_DEBUG | #CMD_DEBUG_READ | 8 | + * | #MRQ_DEBUG | #CMD_DEBUG_WRITE | 12 + cmd_debug_fwrite_request.datalen | + * | #MRQ_DEBUG | #CMD_DEBUG_CLOSE | 8 | + * + * @cond (bpmp_t186) + * The following additional MRQ is supported on T186 -platform: + * + * | MRQ | Sub-command | Minimum payload length | + * | --------------------- | ------------------------------------- | ------------------------------------- | + * | #MRQ_CPU_VHINT | - | 8 | + * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | + * @endcond + * + * @cond (bpmp_t194) + * The following additional MRQs are supported on T194 -platform: + * + * | MRQ | Sub-command | Minimum payload length | + * | --------------------- | ------------------------------------- | ------------------------------------- | + * | #MRQ_CPU_NDIV_LIMITS | - | 4 | + * | #MRQ_STRAP | #STRAP_SET | 12 | + * | #MRQ_CPU_AUTO_CC3 | - | 4 | + * | #MRQ_EC | #CMD_EC_STATUS_EX_GET | 12 | + * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | + * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | + * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | + * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | + * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | + * @endcond + * + * @cond (bpmp_safe && bpmp_t234) + * The following additional MRQ is supported on functional-safety + * builds for the T234 platform: + * + * | MRQ | Sub-command | Minimum payload length | + * | --------------------- | ------------------------------------- | ------------------------------------- | + * | #MRQ_CPU_NDIV_LIMITS | - | 4 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | + * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | + * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | + * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | + * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | + * | #MRQ_EMC_DVFS_EMCHUB | - | 8 | + * | #MRQ_EMC_DISP_RFL | - | 4 | + * + * @endcond + * + * @cond (!bpmp_safe && bpmp_t234) + * + * The following additional MRQs are supported on non-functional-safety + * builds for the T234 and T238 -platforms: + * + * | MRQ | Sub-command | Minimum payload length | + * | --------------------- | ------------------------------------- | --------------------------------------------------- | + * | #MRQ_CPU_NDIV_LIMITS | - | 4 | + * | #MRQ_STRAP | #STRAP_SET | 12 | + * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | + * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | + * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | + * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | + * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | + * | #MRQ_EMC_DVFS_EMCHUB | - | 8 | + * | #MRQ_EMC_DISP_RFL | - | 4 | + * | #MRQ_BWMGR | #CMD_BWMGR_QUERY_ABI | 8 | + * | #MRQ_BWMGR | #CMD_BWMGR_CALC_RATE | 8 + 8 * cmd_bwmgr_calc_rate_request.num_iso_clients | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_QUERY_ABI | 8 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_CALCULATE_LA | 16 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_SET_LA | 16 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_GET_MAX_BW | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_QUERY_ABI | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CALC_AND_SET | 16 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CAP_SET | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_GET_LAST_REQUEST | 9 | + * | #MRQ_OC_STATUS | - | 0 | + * @endcond + * + * @cond bpmp_t238 + * The following additional MRQs are supported on T238 platform: + * + * | MRQ | Sub-command | Minimum payload length | + * | --------------------- | ------------------------------------- | --------------------------------------------------- | + * | #MRQ_CPU_NDIV_LIMITS | - | 4 | + * | #MRQ_STRAP | #STRAP_SET | 12 | + * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_QUERY_ABI | 8 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_READ | 5 | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_WRITE | 5 + cmd_ringbuf_console_write_req.len | + * | #MRQ_RINGBUF_CONSOLE | #CMD_RINGBUF_CONSOLE_GET_FIFO | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | + * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | + * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | + * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | + * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | + * | #MRQ_EMC_DVFS_EMCHUB | - | 8 | + * | #MRQ_EMC_DISP_RFL | - | 4 | + * | #MRQ_BWMGR | #CMD_BWMGR_QUERY_ABI | 8 | + * | #MRQ_BWMGR | #CMD_BWMGR_CALC_RATE | 8 + 8 * cmd_bwmgr_calc_rate_request.num_iso_clients | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_QUERY_ABI | 8 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_CALCULATE_LA | 16 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_SET_LA | 16 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_GET_MAX_BW | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_QUERY_ABI | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CALC_AND_SET | 16 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CAP_SET | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_GET_LAST_REQUEST | 9 | + * | #MRQ_OC_STATUS | - | 0 | + * | #MRQ_THROTTLE | #CMD_THROTTLE_SET_OC_CONFIG | 5 | + * @endcond + * + * @cond (bpmp_th500) + * The following additional MRQs are supported on TH500 -platform: + * + * | MRQ | Sub-command | Minimum payload length | + * | -------------------- | ------------------------------------- | ---------------------- | + * | #MRQ_CPU_NDIV_LIMITS | - | 4 | + * | #MRQ_THERMAL | #CMD_THERMAL_SET_TRIP | 20 | + * | #MRQ_STRAP | #STRAP_SET | 12 | + * | #MRQ_SHUTDOWN | - | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | 24 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_LANE_MARGIN_STATUS | 4 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT | 5 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONTROLLER_STATE | 6 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF | 5 | + * | #MRQ_UPHY | #CMD_UPHY_PCIE_CONFIG_VDM | 3 | + * | #MRQ_TELEMETRY | - | 8 | + * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_QUERY_ABI | 8 | + * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_SET | 20 | + * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_GET | 16 | + * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_CURR_CAP | 8 | + * | #MRQ_GEARS | - | 0 | + * | #MRQ_C2C | #CMD_C2C_QUERY_ABI | 8 | + * | #MRQ_C2C | #CMD_C2C_START_INITIALIZATION | 5 | + * | #MRQ_C2C | #CMD_C2C_GET_STATUS | 4 | + * | #MRQ_C2C | #CMD_C2C_HOTRESET_PREP | 5 | + * | #MRQ_C2C | #CMD_C2C_START_HOTRESET | 5 | + * | #MRQ_THROTTLE | #CMD_THROTTLE_QUERY_ABI | 4 | + * | #MRQ_THROTTLE | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | 4 | + * | #MRQ_PWRMODEL | #CMD_PWRMODEL_QUERY_ABI | 8 | + * | #MRQ_PWRMODEL | #CMD_PWRMODEL_PWR_GET | 16 | + * | #MRQ_PWR_CNTRL | #CMD_PWR_CNTRL_QUERY_ABI | 8 | + * | #MRQ_PWR_CNTRL | #CMD_PWR_CNTRL_BYPASS_SET | 12 | + * | #MRQ_PWR_CNTRL | #CMD_PWR_CNTRL_BYPASS_GET | 8 | + * @endcond + * + * @cond (bpmp_tb500) + * The following additional MRQs are supported on TB500 -platform: + * + * | MRQ | Sub-command | Minimum payload length | + * | -------------------- | ---------------------------------------- | ---------------------- | + * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_QUERY_ABI | 8 | + * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_SET | 20 | + * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_GET | 16 | + * | #MRQ_PWR_LIMIT | #CMD_PWR_LIMIT_CURR_CAP | 8 | + * | #MRQ_TELEMETRY_EX | #CMD_TELEMETRY_EX_QUERY_ABI | 8 | + * | #MRQ_TELEMETRY_EX | #CMD_TELEMETRY_EX_BASE_SZ_GET | 12 | + * | #MRQ_THROTTLE | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | 4 | + * | #MRQ_C2C | #CMD_C2C_QUERY_ABI | 8 | + * | #MRQ_C2C | #CMD_C2C_START_INITIALIZATION | 5 | + * | #MRQ_C2C | #CMD_C2C_GET_STATUS | 4 | + * | #MRQ_C2C | #CMD_C2C_HOTRESET_PREP | 5 | + * | #MRQ_C2C | #CMD_C2C_START_HOTRESET | 5 | + * | MRQ_HWPM | CMD_HWPM_QUERY_ABI | 4 | + * | MRQ_HWPM | CMD_HWPM_IPMU_SET_TRIGGERS | 120 | + * | MRQ_HWPM | CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS | 120 | + * | MRQ_HWPM | CMD_HWPM_IPMU_GET_MAX_PAYLOADS | 0 | + * | MRQ_HWPM | CMD_HWPM_NVTHERM_SET_SAMPLE_RATE | 4 | + * | MRQ_HWPM | CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL | 4 | + * | MRQ_HWPM | CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS | 120 | + * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SENSOR_NAME | 4 | + * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL | 4 | + * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR | 4 | + * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SENSOR_OFFSET | 4 | + * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME | 4 | + * | MRQ_HWPM | CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS | 4 | + * | MRQ_DVFS | CMD_DVFS_QUERY_ABI | 4 | + * | MRQ_DVFS | CMD_DVFS_SET_CTRL_STATE | 8 | + * | MRQ_DVFS | CMD_DVFS_SET_MGR_STATE | 8 | + * | MRQ_PPP_PROFILE | CMD_PPP_PROFILE_QUERY_ABI | 8 | + * | MRQ_PPP_PROFILE | CMD_PPP_PROFILE_QUERY_MASKS | 8 | + * | MRQ_PPP_PROFILE | CMD_PPP_CORE_QUERY_CPU_MASK | 8 | + * | MRQ_PPP_PROFILE | CMD_PPP_AVAILABLE_QUERY | 4 | + * @endcond + * + * @cond (bpmp_safe && bpmp_t264) + * The following additional MRQ is supported on functional-safety + * builds for the T264 platform: + * + * | MRQ | Sub-command | Minimum payload length | + * | -------------------- | --------------------------------- | ---------------------- | + * | #MRQ_CPU_NDIV_LIMITS | - | 4 | + * | #MRQ_STRAP | #STRAP_SET | 12 | + * | #MRQ_SHUTDOWN | - | 4 | + * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | + * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | + * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | + * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | + * | #MRQ_PCIE | #CMD_PCIE_EP_CONTROLLER_INIT | 5 | + * | #MRQ_PCIE | #CMD_PCIE_EP_CONTROLLER_OFF | 5 | + * | #MRQ_CR7 | #CMD_CR7_ENTRY | 12 | + * | #MRQ_CR7 | #CMD_CR7_EXIT | 12 | + * | #MRQ_SLC | #CMD_SLC_QUERY_ABI | 8 | + * | #MRQ_SLC | #CMD_SLC_BYPASS_SET | 8 | + * | #MRQ_SLC | #CMD_SLC_BYPASS_GET | 4 | + * @endcond + * + * @cond (!bpmp_safe && bpmp_t264) + * The following additional MRQs are supported on non-functional-safety + * builds for the T264 -platform: + * + * | MRQ | Sub-command | Minimum payload length | + * | -------------------- | --------------------------------- | ---------------------- | + * | #MRQ_CPU_NDIV_LIMITS | - | 4 | + * | #MRQ_STRAP | #STRAP_SET | 12 | + * | #MRQ_SHUTDOWN | - | 4 | + * | #MRQ_FMON | #CMD_FMON_GEAR_CLAMP | 16 | + * | #MRQ_FMON | #CMD_FMON_GEAR_FREE | 4 | + * | #MRQ_FMON | #CMD_FMON_GEAR_GET | 4 | + * | #MRQ_FMON | #CMD_FMON_FAULT_STS_GET | 8 | + * | #MRQ_OC_STATUS | - | 0 | + * | #MRQ_PCIE | #CMD_PCIE_EP_CONTROLLER_INIT | 5 | + * | #MRQ_PCIE | #CMD_PCIE_EP_CONTROLLER_OFF | 5 | + * | #MRQ_PCIE | #CMD_PCIE_RP_CONTROLLER_OFF | 5 | + * | #MRQ_CR7 | #CMD_CR7_ENTRY | 12 | + * | #MRQ_CR7 | #CMD_CR7_EXIT | 12 | + * | #MRQ_SLC | #CMD_SLC_QUERY_ABI | 8 | + * | #MRQ_SLC | #CMD_SLC_BYPASS_SET | 8 | + * | #MRQ_SLC | #CMD_SLC_BYPASS_GET | 4 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_QUERY_ABI | 8 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_CALCULATE_LA | 16 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_SET_LA | 16 | + * | #MRQ_ISO_CLIENT | #CMD_ISO_CLIENT_GET_MAX_BW | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_QUERY_ABI | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CALC_AND_SET | 16 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CAP_SET | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_CURR_AVAILABLE_BW | 8 | + * | #MRQ_BWMGR_INT | #CMD_BWMGR_INT_GET_LAST_REQUEST | 9 | + * @endcond * * **crc16** * @@ -220,7 +452,7 @@ struct mrq_request { * including this header. However the crc16 field is considered to be set to 0 when * calculating the CRC. Only used when #BPMP_MAIL_CRC_PRESENT is set. If * #BPMP_MAIL_CRC_PRESENT is set and this field does not match the CRC as - * calculated by BPMP, -BPMP_EBADMSG will be returned and the request will + * calculated by BPMP, -#BPMP_EBADMSG will be returned and the request will * be ignored. See code snippet below on how to calculate the CRC. * * @code @@ -322,6 +554,9 @@ struct mrq_response { #define MRQ_CPU_VHINT 28U #define MRQ_ABI_RATCHET 29U #define MRQ_EMC_DVFS_LATENCY 31U +//adoc: tag::bpmp_dmce_mrq_shutdown[] +#define MRQ_SHUTDOWN 49U +//adoc: end::bpmp_dmce_mrq_shutdown[] #define MRQ_RINGBUF_CONSOLE 65U #define MRQ_PG 66U #define MRQ_CPU_NDIV_LIMITS 67U @@ -341,48 +576,31 @@ struct mrq_response { #define MRQ_GEARS 82U #define MRQ_BWMGR_INT 83U #define MRQ_OC_STATUS 84U - -/** @cond DEPRECATED */ -#define MRQ_RESERVED_2 2U -#define MRQ_RESERVED_3 3U -#define MRQ_RESERVED_4 4U -#define MRQ_RESERVED_5 5U -#define MRQ_RESERVED_6 6U -#define MRQ_RESERVED_7 7U -#define MRQ_RESERVED_8 8U -#define MRQ_RESERVED_10 10U -#define MRQ_RESERVED_11 11U -#define MRQ_RESERVED_12 12U -#define MRQ_RESERVED_13 13U -#define MRQ_RESERVED_14 14U -#define MRQ_RESERVED_15 15U -#define MRQ_RESERVED_16 16U -#define MRQ_RESERVED_17 17U -#define MRQ_RESERVED_18 18U -#define MRQ_RESERVED_24 24U -#define MRQ_RESERVED_25 25U -#define MRQ_RESERVED_26 26U -#define MRQ_RESERVED_30 30U -#define MRQ_RESERVED_64 64U -#define MRQ_RESERVED_74 74U -/** @endcond DEPRECATED */ - -/** @} */ +#define MRQ_C2C 85U +#define MRQ_THROTTLE 86U +#define MRQ_PWRMODEL 87U +#define MRQ_PCIE 88U +#define MRQ_PWR_CNTRL 89U +#define MRQ_CR7 90U +#define MRQ_SLC 91U +#define MRQ_TELEMETRY_EX 92U +#define MRQ_HWPM 93U +#define MRQ_DVFS 94U +#define MRQ_PPP_PROFILE 95U /** - * @ingroup MRQ_Codes * @brief Maximum MRQ code to be sent by CPU software to * BPMP. Subject to change in future */ -#define MAX_CPU_MRQ_ID 84U +#define MAX_CPU_MRQ_ID 95U + +/** @} */ /** * @addtogroup MRQ_Payloads * @{ * @defgroup Ping Ping * @defgroup Query_Tag Query Tag - * @defgroup Module Loadable Modules - * @defgroup Trace Trace * @defgroup Debugfs Debug File System * @defgroup Reset Reset * @defgroup I2C I2C @@ -390,6 +608,7 @@ struct mrq_response { * @defgroup ABI_info ABI Info * @defgroup Powergating Power Gating * @defgroup Thermal Thermal + * @defgroup Throttle Throttle * @defgroup OC_status OC status * @defgroup Vhint CPU Voltage hint * @defgroup EMC EMC @@ -405,7 +624,22 @@ struct mrq_response { * @defgroup Telemetry Telemetry * @defgroup Pwrlimit PWR_LIMIT * @defgroup Gears Gears + * @defgroup Shutdown Shutdown * @defgroup BWMGR_INT Bandwidth Manager Integrated + * @defgroup C2C C2C + * @defgroup Pwrmodel Power Model + * @defgroup Pwrcntrl Power Controllers + * @cond bpmp_t264 + * * @defgroup PCIE PCIE + * * @defgroup CR7 CR7 + * * @defgroup Slc Slc + * @endcond + * @cond bpmp_tb500 + * * @defgroup Telemetry_ex Telemetry Expanded + * * @defgroup HWPM Hardware Performance Monitoring + * * @defgroup DVFS Dynamic Voltage and Frequency Scaling + * * @defgroup PPP power/performance profiles + * @endcond * @} MRQ_Payloads */ @@ -414,7 +648,6 @@ struct mrq_response { * @def MRQ_PING * @brief A simple ping * - * * Platforms: All * * Initiators: Any * * Targets: Any * * Request Payload: @ref mrq_ping_request @@ -424,7 +657,6 @@ struct mrq_response { * @def MRQ_THREADED_PING * @brief A deeper ping * - * * Platforms: All * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_ping_request @@ -441,8 +673,8 @@ struct mrq_response { * @brief Request with #MRQ_PING * * Used by the sender of an #MRQ_PING message to request a pong from - * recipient. The response from the recipient is computed based on - * #challenge. + * recipient. The response from the recipient is computed based on the + * mrq_ping_request::challenge -value. */ struct mrq_ping_request { /** @brief Arbitrarily chosen value */ @@ -470,7 +702,7 @@ struct mrq_ping_response { * * @deprecated Use #MRQ_QUERY_FW_TAG instead. * - * * Platforms: All + * @details * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_query_tag_request @@ -483,7 +715,7 @@ struct mrq_ping_response { * @brief Request with #MRQ_QUERY_TAG * * @deprecated This structure will be removed in future version. - * Use MRQ_QUERY_FW_TAG instead. + * Use #MRQ_QUERY_FW_TAG instead. */ struct mrq_query_tag_request { /** @brief Base address to store the firmware tag */ @@ -496,7 +728,6 @@ struct mrq_query_tag_request { * @def MRQ_QUERY_FW_TAG * @brief Query BPMP firmware's tag (i.e. unique identifier) * - * * Platforms: All * * Initiators: Any * * Targets: BPMP * * Request Payload: N/A @@ -510,10 +741,9 @@ struct mrq_query_tag_request { * * Sent in response to #MRQ_QUERY_FW_TAG message. #tag contains the unique * identifier for the version of firmware issuing the reply. - * */ struct mrq_query_fw_tag_response { - /** @brief Array to store tag information */ + /** @brief Array to store tag information */ uint8_t tag[32]; } BPMP_ABI_PACKED; @@ -532,9 +762,8 @@ struct mrq_threaded_ping_response { * @def MRQ_DEBUGFS * @brief Interact with BPMP's debugfs file nodes * - * @deprecated use MRQ_DEBUG instead. + * @deprecated Use #MRQ_DEBUG instead. * - * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_debugfs_request @@ -626,9 +855,9 @@ struct cmd_debugfs_dumpdir_response { /** * @ingroup Debugfs - * @brief Request with #MRQ_DEBUGFS. + * @brief Request with #MRQ_DEBUG. * - * The sender of an MRQ_DEBUGFS message uses #cmd to specify a debugfs + * The sender of an MRQ_DEBUG message uses #cmd to specify a debugfs * command to execute. Legal commands are the values of @ref * mrq_debugfs_commands. Each command requires a specific additional * payload of data. @@ -676,16 +905,15 @@ struct mrq_debugfs_response { /** * @ingroup MRQ_Codes * @def MRQ_DEBUG - * @brief Interact with BPMP's debugfs file nodes. Use message payload + * @brief Interact with BPMP-FW debugfs file nodes. Use message payload * for exchanging data. This is functionally equivalent to - * @ref MRQ_DEBUGFS. But the way in which data is exchanged is different. - * When software running on CPU tries to read a debugfs file, + * the deprecated MRQ_DEBUGFS but the way in which data is exchanged is + * different. When software running on CPU tries to read a debugfs file, * the file path and read data will be stored in message payload. * Since the message payload size is limited, a debugfs file * transaction might require multiple frames of data exchanged * between BPMP and CPU until the transaction completes. * - * * Platforms: T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_debug_request @@ -694,17 +922,34 @@ struct mrq_debugfs_response { /** @ingroup Debugfs */ enum mrq_debug_commands { - /** @brief Open required file for read operation */ + /** + * @brief Open file represented by the path in + * cmd_debug_fopen_request::name for read operation + */ CMD_DEBUG_OPEN_RO = 0, - /** @brief Open required file for write operation */ + /** + * @brief Open file represented by the path in + * cmd_debug_fopen_request::name for write operation + */ CMD_DEBUG_OPEN_WO = 1, - /** @brief Perform read */ + /** + * @brief Perform read on a previously opened file handle represented + * by the cmd_debug_fread_request::fd -value. + */ CMD_DEBUG_READ = 2, - /** @brief Perform write */ + /** + * @brief Perform write on a previously opened file handle represented + * by the cmd_debug_fwrite_request::fd -value. + */ CMD_DEBUG_WRITE = 3, - /** @brief Close file */ + /** + * @brief Close previously opened file handle. + */ CMD_DEBUG_CLOSE = 4, - /** @brief Not a command */ + /** + * @brief Not a command, represents maximum number of supported + * sub-commands + */ CMD_DEBUG_MAX }; @@ -727,35 +972,38 @@ enum mrq_debug_commands { /** * @ingroup Debugfs - * @brief Parameters for CMD_DEBUG_OPEN command + * @brief Parameters for #CMD_DEBUG_OPEN_RO and #CMD_DEBUG_OPEN_WO -commands */ struct cmd_debug_fopen_request { - /** @brief File name - Null-terminated string with maximum - * length @ref DEBUG_FNAME_MAX_SZ + /** + * @brief File name - Null-terminated string with maximum + * length including the terminator defined by the + * #DEBUG_FNAME_MAX_SZ -preprocessor constant. */ char name[DEBUG_FNAME_MAX_SZ]; } BPMP_ABI_PACKED; /** * @ingroup Debugfs - * @brief Response data for CMD_DEBUG_OPEN_RO/WO command + * @brief Response data for #CMD_DEBUG_OPEN_RO and #CMD_DEBUG_OPEN_WO commands */ struct cmd_debug_fopen_response { /** @brief Identifier for file access */ uint32_t fd; /** @brief Data length. File data size for READ command. - * Maximum allowed length for WRITE command + * Maximum allowed length for WRITE command */ uint32_t datalen; } BPMP_ABI_PACKED; /** * @ingroup Debugfs - * @brief Parameters for CMD_DEBUG_READ command + * @brief Parameters for #CMD_DEBUG_READ command */ struct cmd_debug_fread_request { - /** @brief File access identifier received in response - * to CMD_DEBUG_OPEN_RO request + /** + * @brief File access identifier received in response + * to #CMD_DEBUG_OPEN_RO request */ uint32_t fd; } BPMP_ABI_PACKED; @@ -770,7 +1018,7 @@ struct cmd_debug_fread_request { /** * @ingroup Debugfs - * @brief Response data for CMD_DEBUG_READ command + * @brief Response data for #CMD_DEBUG_READ command */ struct cmd_debug_fread_response { /** @brief Size of data provided in this response in bytes */ @@ -789,11 +1037,11 @@ struct cmd_debug_fread_response { /** * @ingroup Debugfs - * @brief Parameters for CMD_DEBUG_WRITE command + * @brief Parameters for #CMD_DEBUG_WRITE command */ struct cmd_debug_fwrite_request { /** @brief File access identifier received in response - * to CMD_DEBUG_OPEN_RO request + * to prior #CMD_DEBUG_OPEN_RO -request */ uint32_t fd; /** @brief Size of write data in bytes */ @@ -804,11 +1052,12 @@ struct cmd_debug_fwrite_request { /** * @ingroup Debugfs - * @brief Parameters for CMD_DEBUG_CLOSE command + * @brief Parameters for #CMD_DEBUG_CLOSE command */ struct cmd_debug_fclose_request { - /** @brief File access identifier received in response - * to CMD_DEBUG_OPEN_RO request + /** + * @brief File access identifier received in prior response + * to #CMD_DEBUG_OPEN_RO or #CMD_DEBUG_OPEN_WO -request. */ uint32_t fd; } BPMP_ABI_PACKED; @@ -817,30 +1066,34 @@ struct cmd_debug_fclose_request { * @ingroup Debugfs * @brief Request with #MRQ_DEBUG. * - * The sender of an MRQ_DEBUG message uses #cmd to specify a debugfs - * command to execute. Legal commands are the values of @ref - * mrq_debug_commands. Each command requires a specific additional - * payload of data. + * The sender of an #MRQ_DEBUG message uses mrq_debug_request::cmd to specify + * which debugfs sub-command to execute. Legal sub-commands are the values + * specified in the @ref mrq_debug_commands -enumeration. Each sub-command + * requires a specific additional payload of data according to the following + * table: * - * |command |payload| - * |-------------------|-------| - * |CMD_DEBUG_OPEN_RO |fop | - * |CMD_DEBUG_OPEN_WO |fop | - * |CMD_DEBUG_READ |frd | - * |CMD_DEBUG_WRITE |fwr | - * |CMD_DEBUG_CLOSE |fcl | + * |Sub-command |Payload structure | + * |--------------------|---------------------------| + * |#CMD_DEBUG_OPEN_RO |cmd_debug_fopen_request | + * |#CMD_DEBUG_OPEN_WO |cmd_debug_fopen_request | + * |#CMD_DEBUG_READ |cmd_debug_fread_request | + * |#CMD_DEBUG_WRITE |cmd_debug_fwrite_request | + * |#CMD_DEBUG_CLOSE |cmd_debug_fclose_request | */ struct mrq_debug_request { - /** @brief Sub-command (@ref mrq_debug_commands) */ + /** @brief Sub-command identifier from @ref mrq_debug_commands */ uint32_t cmd; union { - /** @brief Request payload for CMD_DEBUG_OPEN_RO/WO command */ + /** + * @brief Request payload for #CMD_DEBUG_OPEN_RO and + * #CMD_DEBUG_OPEN_WO sub-commands + */ struct cmd_debug_fopen_request fop; - /** @brief Request payload for CMD_DEBUG_READ command */ + /** @brief Request payload for #CMD_DEBUG_READ sub-command */ struct cmd_debug_fread_request frd; - /** @brief Request payload for CMD_DEBUG_WRITE command */ + /** @brief Request payload for #CMD_DEBUG_WRITE sub-command */ struct cmd_debug_fwrite_request fwr; - /** @brief Request payload for CMD_DEBUG_CLOSE command */ + /** @brief Request payload for #CMD_DEBUG_CLOSE sub-command */ struct cmd_debug_fclose_request fcl; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; @@ -850,9 +1103,12 @@ struct mrq_debug_request { */ struct mrq_debug_response { union { - /** @brief Response data for CMD_DEBUG_OPEN_RO/WO command */ + /** + * @brief Response data for the #CMD_DEBUG_OPEN_RO and + * #CMD_DEBUG_OPEN_WO sub-commands + */ struct cmd_debug_fopen_response fop; - /** @brief Response data for CMD_DEBUG_READ command */ + /** @brief Response data for the #CMD_DEBUG_READ sub-command */ struct cmd_debug_fread_response frd; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; @@ -862,7 +1118,6 @@ struct mrq_debug_response { * @def MRQ_RESET * @brief Reset an IP block * - * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_reset_request @@ -872,39 +1127,46 @@ struct mrq_debug_response { * @{ */ +/** + * @brief Sub-command identifiers for #MRQ_RESET + */ enum mrq_reset_commands { /** * @brief Assert module reset * - * mrq_response::err is 0 if the operation was successful, or @n - * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid @n - * -#BPMP_EACCES if mrq master is not an owner of target domain reset @n - * -#BPMP_ENOTSUP if target domain h/w state does not allow reset + * mrq_response::err is + * * 0 if the operation was successful + * * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid + * * -#BPMP_EACCES if mrq master is not an owner of target domain reset + * * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_ASSERT = 1, /** * @brief Deassert module reset * - * mrq_response::err is 0 if the operation was successful, or @n - * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid @n - * -#BPMP_EACCES if mrq master is not an owner of target domain reset @n - * -#BPMP_ENOTSUP if target domain h/w state does not allow reset + * mrq_response::err is + * * 0 if the operation was successful + * * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid + * * -#BPMP_EACCES if mrq master is not an owner of target domain reset + * * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_DEASSERT = 2, /** * @brief Assert and deassert the module reset * - * mrq_response::err is 0 if the operation was successful, or @n - * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid @n - * -#BPMP_EACCES if mrq master is not an owner of target domain reset @n - * -#BPMP_ENOTSUP if target domain h/w state does not allow reset + * mrq_response::err is + * * 0 if the operation was successful + * * -#BPMP_EINVAL if mrq_reset_request::reset_id is invalid + * * -#BPMP_EACCES if mrq master is not an owner of target domain reset + * * -#BPMP_ENOTSUP if target domain h/w state does not allow reset */ CMD_RESET_MODULE = 3, /** * @brief Get the highest reset ID * - * mrq_response::err is 0 if the operation was successful, or @n - * -#BPMP_ENODEV if no reset domains are supported (number of IDs is 0) + * mrq_response::err is + * * 0 if the operation was successful + * * -#BPMP_ENODEV if no reset domains are supported (number of IDs is 0) */ CMD_RESET_GET_MAX_ID = 4, @@ -913,15 +1175,15 @@ enum mrq_reset_commands { }; /** - * @brief Request with MRQ_RESET + * @brief Request with #MRQ_RESET * * Used by the sender of an #MRQ_RESET message to request BPMP to - * assert or or deassert a given reset line. + * assert or deassert a given reset line. */ struct mrq_reset_request { - /** @brief Reset action to perform (@ref mrq_reset_commands) */ + /** @brief Reset action to perform, from @ref mrq_reset_commands */ uint32_t cmd; - /** @brief Id of the reset to affected */ + /** @brief ID of the reset to affected, from @ref bpmp_reset_ids */ uint32_t reset_id; } BPMP_ABI_PACKED; @@ -940,7 +1202,7 @@ struct cmd_reset_get_max_id_response { * * Each sub-command supported by @ref mrq_reset_request may return * sub-command-specific data. Some do and some do not as indicated - * in the following table + * in the following table: * * | sub-command | payload | * |----------------------|------------------| @@ -962,7 +1224,6 @@ struct mrq_reset_response { * @def MRQ_I2C * @brief Issue an i2c transaction * - * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_i2c_request @@ -971,19 +1232,60 @@ struct mrq_reset_response { * @addtogroup I2C * @{ */ + +/** + * @brief Size of the cmd_i2c_xfer_request::data_buf -member array in bytes. + */ #define TEGRA_I2C_IPC_MAX_IN_BUF_SIZE (MSG_DATA_MIN_SZ - 12U) + +/** + * @brief Size of the cmd_i2c_xfer_response::data_buf -member array in bytes. + */ #define TEGRA_I2C_IPC_MAX_OUT_BUF_SIZE (MSG_DATA_MIN_SZ - 4U) +/** + * @defgroup seriali2c_flags I2C flags + * + * @brief I2C transaction modifier flags for each transaction segment + * in #MRQ_I2C subcommand CMD_I2C_XFER + */ + +/** + * @addtogroup seriali2c_flags + * @{ + */ + +/** @brief when set, use 10-bit I2C slave address */ #define SERIALI2C_TEN 0x0010U +/** @brief when set, perform a Read transaction */ #define SERIALI2C_RD 0x0001U -#define SERIALI2C_STOP 0x8000U +/** + * @brief when set, no repeated START is issued between the segments + * of transaction. This flag is ignored for the first segment as any + * transaction always starts with a START condition + */ #define SERIALI2C_NOSTART 0x4000U -#define SERIALI2C_REV_DIR_ADDR 0x2000U +/** + * @brief when set, a no-ACK from slave device is ignored and treated + * always as success + */ #define SERIALI2C_IGNORE_NAK 0x1000U +/** @} seriali2c_flags */ + +/** brief Unused flag. Retained for backwards compatibility. */ +#define SERIALI2C_STOP 0x8000U +/** brief Unused flag. Retained for backwards compatibility. */ +#define SERIALI2C_REV_DIR_ADDR 0x2000U +/** brief Unused flag. Retained for backwards compatibility. */ #define SERIALI2C_NO_RD_ACK 0x0800U +/** brief Unused flag. Retained for backwards compatibility. */ #define SERIALI2C_RECV_LEN 0x0400U -enum { +/** + * @brief Supported I2C sub-command identifiers + */ +enum mrq_i2c_commands { + /** @brief Perform an I2C transaction */ CMD_I2C_XFER = 1 }; @@ -1005,7 +1307,7 @@ enum { struct serial_i2c_request { /** @brief I2C slave address */ uint16_t addr; - /** @brief Bitmask of SERIALI2C_ flags */ + /** @brief Bitmask of @ref seriali2c_flags */ uint16_t flags; /** @brief Length of I2C transaction in bytes */ uint16_t len; @@ -1020,13 +1322,13 @@ struct cmd_i2c_xfer_request { /** * @brief Tegra PWR_I2C bus identifier * - * @cond (bpmp_t234 || bpmp_t238 || bpmp_t194) + * @cond (bpmp_t186 || bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_t264) * Must be set to 5. - * @endcond (bpmp_t234 || bpmp_t238 || bpmp_t194) - * @cond bpmp_th500 - * Must be set to 1. - * @endcond bpmp_th500 + * @endcond * + * @cond (bpmp_th500) + * Must be set to 1. + * @endcond */ uint32_t bus_id; @@ -1047,7 +1349,7 @@ struct cmd_i2c_xfer_request { struct cmd_i2c_xfer_response { /** @brief Count of valid bytes in #data_buf*/ uint32_t data_size; - /** @brief I2c read data */ + /** @brief I2C read data */ uint8_t data_buf[TEGRA_I2C_IPC_MAX_OUT_BUF_SIZE]; } BPMP_ABI_PACKED; @@ -1064,16 +1366,19 @@ struct mrq_i2c_request { /** * @brief Response to #MRQ_I2C * - * mrq_response:err is - * 0: Success - * -#BPMP_EBADCMD: if mrq_i2c_request::cmd is other than 1 - * -#BPMP_EINVAL: if cmd_i2c_xfer_request does not contain correctly formatted request - * -#BPMP_ENODEV: if cmd_i2c_xfer_request::bus_id is not supported by BPMP - * -#BPMP_EACCES: if i2c transaction is not allowed due to firewall rules - * -#BPMP_ETIMEDOUT: if i2c transaction times out - * -#BPMP_ENXIO: if i2c slave device does not reply with ACK to the transaction - * -#BPMP_EAGAIN: if ARB_LOST condition is detected by the i2c controller - * -#BPMP_EIO: any other i2c controller error code than NO_ACK or ARB_LOST + * mrq_response::err value for this response is defined as: + * + * | Value | Description | + * |--------------------|---------------------------------------------------------------------| + * | 0 | Success | + * | -#BPMP_EBADCMD | mrq_i2c_request::cmd is other than 1 | + * | -#BPMP_EINVAL | cmd_i2c_xfer_request does not contain correctly formatted request | + * | -#BPMP_ENODEV | cmd_i2c_xfer_request::bus_id is not supported by BPMP | + * | -#BPMP_EACCES | I2C transaction is not allowed due to firewall rules | + * | -#BPMP_ETIMEDOUT | I2C transaction times out | + * | -#BPMP_ENXIO | I2C slave device does not reply with ACK to the transaction | + * | -#BPMP_EAGAIN | ARB_LOST condition is detected by the I2C controller | + * | -#BPMP_EIO | Any other I2C controller error code than NO_ACK or ARB_LOST | */ struct mrq_i2c_response { struct cmd_i2c_xfer_response xfer; @@ -1086,7 +1391,6 @@ struct mrq_i2c_response { * @def MRQ_CLK * @brief Perform a clock operation * - * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_clk_request @@ -1095,205 +1399,354 @@ struct mrq_i2c_response { * @addtogroup Clocks * @{ */ -enum { + +/** + * @brief Sub-command identifiers for #MRQ_CLK + */ +enum mrq_clk_commands { + /** Get clock rate */ CMD_CLK_GET_RATE = 1, + + /** Set clock rate */ CMD_CLK_SET_RATE = 2, + + /** Get attainable clock rate closer to a given rate */ CMD_CLK_ROUND_RATE = 3, + + /** Get parent clock identifier for a given clock */ CMD_CLK_GET_PARENT = 4, + + /** Change clock parent */ CMD_CLK_SET_PARENT = 5, + + /** Get clock enable status */ CMD_CLK_IS_ENABLED = 6, + + /** Enable a clock */ CMD_CLK_ENABLE = 7, + + /** Disable a clock */ CMD_CLK_DISABLE = 8, -/** @cond DEPRECATED */ - CMD_CLK_PROPERTIES = 9, - CMD_CLK_POSSIBLE_PARENTS = 10, - CMD_CLK_NUM_POSSIBLE_PARENTS = 11, - CMD_CLK_GET_POSSIBLE_PARENT = 12, - CMD_CLK_RESET_REFCOUNTS = 13, -/** @endcond DEPRECATED */ + + /** Get all information about a clock */ CMD_CLK_GET_ALL_INFO = 14, + + /** Get largest supported clock identifier */ CMD_CLK_GET_MAX_CLK_ID = 15, + + /** Get clock maximum rate at VMIN */ CMD_CLK_GET_FMAX_AT_VMIN = 16, + + /** Largest supported #MRQ_CLK sub-command identifier + 1 */ CMD_CLK_MAX, }; +/** + * Flag bit set in cmd_clk_get_all_info_response::flags -field when clock + * supports changing of the parent clock at runtime. + */ #define BPMP_CLK_HAS_MUX (1U << 0U) + +/** + * Flag bit set in cmd_clk_get_all_info_response::flags -field when clock + * supports changing the clock rate at runtime. + */ #define BPMP_CLK_HAS_SET_RATE (1U << 1U) + +/** + * Flag bit set in cmd_clk_get_all_info_response::flags -field when clock is a + * root clock without visible parents. + */ #define BPMP_CLK_IS_ROOT (1U << 2U) + #define BPMP_CLK_IS_VAR_ROOT (1U << 3U) + /** * @brief Protection against rate and parent changes * - * #MRQ_CLK command #CMD_CLK_SET_RATE or #MRQ_CLK command #CMD_CLK_SET_PARENT will return - * -#BPMP_EACCES. + * #MRQ_CLK command #CMD_CLK_SET_RATE or #MRQ_CLK command #CMD_CLK_SET_PARENT + * will return -#BPMP_EACCES. */ #define BPMP_CLK_RATE_PARENT_CHANGE_DENIED (1U << 30) /** * @brief Protection against state changes * - * #MRQ_CLK command #CMD_CLK_ENABLE or #MRQ_CLK command #CMD_CLK_DISABLE will return - * -#BPMP_EACCES. + * #MRQ_CLK command #CMD_CLK_ENABLE or #MRQ_CLK command #CMD_CLK_DISABLE + * will return -#BPMP_EACCES. */ #define BPMP_CLK_STATE_CHANGE_DENIED (1U << 31) +/** + * Size of the cmd_clk_get_all_info_response::name -array in number + * of elements. + */ #define MRQ_CLK_NAME_MAXLEN 40U + +/** + * @brief Maximum number of elements in parent_id arrays of clock info responses. + */ #define MRQ_CLK_MAX_PARENTS 16U -/** @private */ +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_RATE + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_get_rate_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_RATE + */ struct cmd_clk_get_rate_response { + /** + * Current rate of the given clock in Hz if mrq_response::err is 0 to + * indicate successful #CMD_CLK_GET_RATE -request. + */ int64_t rate; } BPMP_ABI_PACKED; +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_SET_RATE + */ struct cmd_clk_set_rate_request { + /** Unused / reserved field. */ int32_t unused; + + /** Requested rate of the clock in Hz. */ int64_t rate; } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_SET_RATE + */ struct cmd_clk_set_rate_response { + /** + * If request was successful (mrq_response::err is 0), set to the new + * rate of the given clock in Hz. + */ int64_t rate; } BPMP_ABI_PACKED; +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_ROUND_RATE + */ struct cmd_clk_round_rate_request { + /** Unused / reserved field. */ int32_t unused; + + /** Target rate for the clock */ int64_t rate; } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_ROUND_RATE + */ struct cmd_clk_round_rate_response { + /** + * The attainable rate if request was successful + * (mrq_response::err is 0). + */ int64_t rate; } BPMP_ABI_PACKED; -/** @private */ +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_PARENT + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_get_parent_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_PARENT + */ struct cmd_clk_get_parent_response { + /** + * The clock identifier of the parent clock if request was successful + * (mrq_response::err is 0). + */ uint32_t parent_id; } BPMP_ABI_PACKED; +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_SET_PARENT + */ struct cmd_clk_set_parent_request { + /** + * The clock identifier of the new parent clock. + */ uint32_t parent_id; } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_SET_PARENT + */ struct cmd_clk_set_parent_response { + /** + * The clock identifier of the new parent clock if request was + * successful (mrq_response::err is 0). + */ uint32_t parent_id; } BPMP_ABI_PACKED; -/** @private */ +/** + * @brief Request payload for #CMD_CLK_IS_ENABLED -sub-command + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_is_enabled_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; /** - * @brief Response data to #MRQ_CLK sub-command CMD_CLK_IS_ENABLED + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_IS_ENABLED */ struct cmd_clk_is_enabled_response { /** * @brief The state of the clock that has been successfully - * requested with CMD_CLK_ENABLE or CMD_CLK_DISABLE by the + * requested with #CMD_CLK_ENABLE or #CMD_CLK_DISABLE by the * master invoking the command earlier. * * The state may not reflect the physical state of the clock * if there are some other masters requesting it to be - * enabled. + * enabled. Valid values: * - * Value 0 is disabled, all other values indicate enabled. + * * Value 0: The clock is disabled, + * * Value 1: The clock is enabled. */ int32_t state; } BPMP_ABI_PACKED; -/** @private */ +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_ENABLE + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_enable_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; -/** @private */ +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_ENABLE + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_enable_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; -/** @private */ +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_DISABLE + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_disable_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; -/** @private */ +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_DISABLE + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_disable_response { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; -/** @cond DEPRECATED */ -/** @private */ -struct cmd_clk_properties_request { - BPMP_ABI_EMPTY -} BPMP_ABI_PACKED; - -/** @todo flags need to be spelled out here */ -struct cmd_clk_properties_response { - uint32_t flags; -} BPMP_ABI_PACKED; - -/** @private */ -struct cmd_clk_possible_parents_request { - BPMP_ABI_EMPTY -} BPMP_ABI_PACKED; - -struct cmd_clk_possible_parents_response { - uint8_t num_parents; - uint8_t reserved[3]; - uint32_t parent_id[MRQ_CLK_MAX_PARENTS]; -} BPMP_ABI_PACKED; - -/** @private */ -struct cmd_clk_num_possible_parents_request { - BPMP_ABI_EMPTY -} BPMP_ABI_PACKED; - -struct cmd_clk_num_possible_parents_response { - uint8_t num_parents; -} BPMP_ABI_PACKED; - -struct cmd_clk_get_possible_parent_request { - uint8_t parent_idx; -} BPMP_ABI_PACKED; - -struct cmd_clk_get_possible_parent_response { - uint32_t parent_id; -} BPMP_ABI_PACKED; -/** @endcond DEPRECATED */ - -/** @private */ +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_ALL_INFO + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_get_all_info_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; + +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_ALL_INFO + * + * The values in the response are only set and valid if request status in + * mrq_response::err is 0. + */ struct cmd_clk_get_all_info_response { + /** + * State / informational flags for the clock: + * + * | Flag bit | Description | + * |------------------------|------------------------------------------| + * | #BPMP_CLK_IS_ROOT | Clock is a root clock. | + * | #BPMP_CLK_HAS_MUX | Clock supports changing of parent clock. | + * | #BPMP_CLK_HAS_SET_RATE | Clock supports changing clock rate. | + */ uint32_t flags; + + /** + * Current parent clock identifier. + */ uint32_t parent; + + /** + * Array of possible parent clock identifiers. + */ uint32_t parents[MRQ_CLK_MAX_PARENTS]; + + /** + * Number of identifiers in the #parents -array. + */ uint8_t num_parents; + + /** + * Friendly name of the clock, truncated to fit the array + * and null-terminated. + */ uint8_t name[MRQ_CLK_NAME_MAXLEN]; } BPMP_ABI_PACKED; -/** @private */ + +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_MAX_CLK_ID + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_get_max_clk_id_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_MAX_CLK_ID + */ struct cmd_clk_get_max_clk_id_response { + /** @brief Largest supported clock identifier. */ uint32_t max_id; } BPMP_ABI_PACKED; -/** @private */ +/** + * @brief Request payload for #MRQ_CLK sub-command #CMD_CLK_GET_FMAX_AT_VMIN + * + * This structure is an empty placeholder for future expansion of this + * sub-command. + */ struct cmd_clk_get_fmax_at_vmin_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_CLK sub-command #CMD_CLK_GET_FMAX_AT_VMIN + */ struct cmd_clk_get_fmax_at_vmin_response { int64_t rate; } BPMP_ABI_PACKED; @@ -1308,38 +1761,26 @@ struct cmd_clk_get_fmax_at_vmin_response { * require no additional data. Others have a sub-command specific * payload * - * |sub-command |payload | - * |----------------------------|-----------------------| - * |CMD_CLK_GET_RATE |- | - * |CMD_CLK_SET_RATE |clk_set_rate | - * |CMD_CLK_ROUND_RATE |clk_round_rate | - * |CMD_CLK_GET_PARENT |- | - * |CMD_CLK_SET_PARENT |clk_set_parent | - * |CMD_CLK_IS_ENABLED |- | - * |CMD_CLK_ENABLE |- | - * |CMD_CLK_DISABLE |- | - * |CMD_CLK_GET_ALL_INFO |- | - * |CMD_CLK_GET_MAX_CLK_ID |- | - * |CMD_CLK_GET_FMAX_AT_VMIN |- - * | - * + * |Sub-command |Payload | + * |----------------------------|-----------------------------| + * |#CMD_CLK_GET_RATE |- | + * |#CMD_CLK_SET_RATE |#cmd_clk_set_rate_request | + * |#CMD_CLK_ROUND_RATE |#cmd_clk_round_rate_request | + * |#CMD_CLK_GET_PARENT |- | + * |#CMD_CLK_SET_PARENT |#cmd_clk_set_parent_request | + * |#CMD_CLK_IS_ENABLED |- | + * |#CMD_CLK_ENABLE |- | + * |#CMD_CLK_DISABLE |- | + * |#CMD_CLK_GET_ALL_INFO |- | + * |#CMD_CLK_GET_MAX_CLK_ID |- | + * |#CMD_CLK_GET_FMAX_AT_VMIN |- | */ -/** @cond DEPRECATED - * - * Older versions of firmware also supported following sub-commands: - * |CMD_CLK_PROPERTIES |- | - * |CMD_CLK_POSSIBLE_PARENTS |- | - * |CMD_CLK_NUM_POSSIBLE_PARENTS|- | - * |CMD_CLK_GET_POSSIBLE_PARENT |clk_get_possible_parent| - * |CMD_CLK_RESET_REFCOUNTS |- | - * - * @endcond DEPRECATED */ - struct mrq_clk_request { /** @brief Sub-command and clock id concatenated to 32-bit word. - * - bits[31..24] is the sub-cmd. - * - bits[23..0] is the clock id + * + * - bits[31..24] is the sub-command ID from @ref mrq_clk_commands. + * - bits[23..0] is the clock identifier from @ref bpmp_clock_ids. */ uint32_t cmd_and_id; @@ -1357,15 +1798,6 @@ struct mrq_clk_request { struct cmd_clk_disable_request clk_disable; /** @private */ struct cmd_clk_is_enabled_request clk_is_enabled; - /** @cond DEPRECATED */ - /** @private */ - struct cmd_clk_properties_request clk_properties; - /** @private */ - struct cmd_clk_possible_parents_request clk_possible_parents; - /** @private */ - struct cmd_clk_num_possible_parents_request clk_num_possible_parents; - struct cmd_clk_get_possible_parent_request clk_get_possible_parent; - /** @endcond DEPRECATED */ /** @private */ struct cmd_clk_get_all_info_request clk_get_all_info; /** @private */ @@ -1381,35 +1813,24 @@ struct mrq_clk_request { * * Each sub-command supported by @ref mrq_clk_request may return * sub-command-specific data. Some do and some do not as indicated in - * the following table + * the following table: * - * |sub-command |payload | - * |----------------------------|------------------------| - * |CMD_CLK_GET_RATE |clk_get_rate | - * |CMD_CLK_SET_RATE |clk_set_rate | - * |CMD_CLK_ROUND_RATE |clk_round_rate | - * |CMD_CLK_GET_PARENT |clk_get_parent | - * |CMD_CLK_SET_PARENT |clk_set_parent | - * |CMD_CLK_IS_ENABLED |clk_is_enabled | - * |CMD_CLK_ENABLE |- | - * |CMD_CLK_DISABLE |- | - * |CMD_CLK_GET_ALL_INFO |clk_get_all_info | - * |CMD_CLK_GET_MAX_CLK_ID |clk_get_max_id | - * |CMD_CLK_GET_FMAX_AT_VMIN |clk_get_fmax_at_vmin | + * |Sub-command |Payload | + * |----------------------------|-----------------------------------| + * |#CMD_CLK_GET_RATE |#cmd_clk_get_rate_response | + * |#CMD_CLK_SET_RATE |#cmd_clk_set_rate_response | + * |#CMD_CLK_ROUND_RATE |#cmd_clk_round_rate_response | + * |#CMD_CLK_GET_PARENT |#cmd_clk_get_parent_response | + * |#CMD_CLK_SET_PARENT |#cmd_clk_set_parent_response | + * |#CMD_CLK_IS_ENABLED |#cmd_clk_is_enabled_response | + * |#CMD_CLK_ENABLE |- | + * |#CMD_CLK_DISABLE |- | + * |#CMD_CLK_GET_ALL_INFO |#cmd_clk_get_all_info_response | + * |#CMD_CLK_GET_MAX_CLK_ID |#cmd_clk_get_max_clk_id_response | + * |#CMD_CLK_GET_FMAX_AT_VMIN |#cmd_clk_get_fmax_at_vmin_response | * */ -/** @cond DEPRECATED - * - * Older versions of firmware also supported following sub-commands: - * |CMD_CLK_PROPERTIES |clk_properties | - * |CMD_CLK_POSSIBLE_PARENTS |clk_possible_parents | - * |CMD_CLK_NUM_POSSIBLE_PARENTS|clk_num_possible_parents| - * |CMD_CLK_GET_POSSIBLE_PARENT |clk_get_possible_parents| - * |CMD_CLK_RESET_REFCOUNTS |- | - * - * @endcond DEPRECATED */ - struct mrq_clk_response { union { struct cmd_clk_get_rate_response clk_get_rate; @@ -1422,12 +1843,6 @@ struct mrq_clk_response { /** @private */ struct cmd_clk_disable_response clk_disable; struct cmd_clk_is_enabled_response clk_is_enabled; - /** @cond DEPRECATED */ - struct cmd_clk_properties_response clk_properties; - struct cmd_clk_possible_parents_response clk_possible_parents; - struct cmd_clk_num_possible_parents_response clk_num_possible_parents; - struct cmd_clk_get_possible_parent_response clk_get_possible_parent; - /** @endcond DEPRECATED */ struct cmd_clk_get_all_info_response clk_get_all_info; struct cmd_clk_get_max_clk_id_response clk_get_max_clk_id; struct cmd_clk_get_fmax_at_vmin_response clk_get_fmax_at_vmin; @@ -1441,7 +1856,6 @@ struct mrq_clk_response { * @def MRQ_QUERY_ABI * @brief Check if an MRQ is implemented * - * * Platforms: All * * Initiators: Any * * Targets: Any except DMCE * * Request Payload: @ref mrq_query_abi_request @@ -1450,7 +1864,7 @@ struct mrq_clk_response { /** * @ingroup ABI_info - * @brief Request with MRQ_QUERY_ABI + * @brief Request with #MRQ_QUERY_ABI * * Used by #MRQ_QUERY_ABI call to check if MRQ code #mrq is supported * by the recipient. @@ -1468,7 +1882,11 @@ struct mrq_query_abi_request { * successful, not that the MRQ itself is supported! */ struct mrq_query_abi_response { - /** @brief 0 if queried MRQ is supported. Else, -#BPMP_ENODEV */ + /** + * This response field is set to: + * - 0 if queried MRQ is supported, or + * - -#BPMP_ENODEV if queried MRQ is not supported + */ int32_t status; } BPMP_ABI_PACKED; @@ -1476,9 +1894,7 @@ struct mrq_query_abi_response { * * @ingroup MRQ_Codes * @def MRQ_PG - * @brief Control power-gating state of a partition. In contrast to - * MRQ_PG_UPDATE_STATE, operations that change the power partition - * state are NOT reference counted + * @brief Control power-gating state of a partition. * * @cond (bpmp_t194 || bpmp_t186) * @note On T194 and earlier BPMP-FW forcefully turns off some partitions as @@ -1486,9 +1902,8 @@ struct mrq_query_abi_response { * Therefore, it is recommended to power off all domains via MRQ_PG prior to SC7 * entry. * See @ref bpmp_pdomain_ids for further detail. - * @endcond (bpmp_t194 || bpmp_t186) + * @endcond * - * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pg_request @@ -1497,6 +1912,10 @@ struct mrq_query_abi_response { * @addtogroup Powergating * @{ */ + +/** + * @brief Sub-command identifiers for #MRQ_PG -command. + */ enum mrq_pg_cmd { /** * @brief Check whether the BPMP driver supports the specified @@ -1512,9 +1931,14 @@ enum mrq_pg_cmd { * possible values for power domains are defined in enum * pg_states * - * mrq_response:err is - * 0: Success - * -#BPMP_EINVAL: Invalid request parameters + * mrq_response:err for this sub-command is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------------------------------------ | + * | 0 | Request was successful. | + * | -#BPMP_EINVAL | Invalid request parameters were provided. | + * | -#BPMP_EACCES | Permission denied or always-off partition was attempted to be turned on. | + * | Any other <0 | Internal error while performing the operation. | */ CMD_PG_SET_STATE = 1, @@ -1523,18 +1947,26 @@ enum mrq_pg_cmd { * possible values for power domains are defined in enum * pg_states * - * mrq_response:err is - * 0: Success - * -#BPMP_EINVAL: Invalid request parameters + * mrq_response:err for this sub-command is defined as: + * + * | Value | Description | + * | -------------- | ---------------------------------------------- | + * | 0 | Request was successful. | + * | -#BPMP_EINVAL | Invalid request parameters were provided. | + * | Any other <0 | Internal error while performing the operation. | */ CMD_PG_GET_STATE = 2, /** * @brief Get the name string of specified power domain id. * - * mrq_response:err is - * 0: Success - * -#BPMP_EINVAL: Invalid request parameters + * mrq_response:err for this sub-command is defined as: + * + * | Value | Description | + * | -------------- | ---------------------------------------------- | + * | 0 | Request was successful. | + * | -#BPMP_EINVAL | Invalid request parameters were provided. | + * | Any other <0 | Internal error while performing the operation. | */ CMD_PG_GET_NAME = 3, @@ -1543,20 +1975,29 @@ enum mrq_pg_cmd { * @brief Get the highest power domain id in the system. Not * all IDs between 0 and max_id are valid IDs. * - * mrq_response:err is - * 0: Success - * -#BPMP_EINVAL: Invalid request parameters + * mrq_response:err for this sub-command is defined as: + * + * | Value | Description | + * | -------------- | ---------------------------------------------- | + * | 0 | Request was successful. | + * | -#BPMP_EINVAL | Invalid request parameters were provided. | + * | Any other <0 | Internal error while performing the operation. | */ CMD_PG_GET_MAX_ID = 4, }; #define MRQ_PG_NAME_MAXLEN 40 +/** + * @brief State value for the cmd_pg_set_state_request::state -field. + */ enum pg_states { /** @brief Power domain is OFF */ PG_STATE_OFF = 0, /** @brief Power domain is ON */ PG_STATE_ON = 1, + + /** @cond bpmp_t186 */ /** * @brief a legacy state where power domain and the clock * associated to the domain are ON. @@ -1564,40 +2005,51 @@ enum pg_states { * deprecated. */ PG_STATE_RUNNING = 2, + /** @endcond */ }; struct cmd_pg_query_abi_request { - /** @ref mrq_pg_cmd */ + /** #MRQ_PG sub-command identifier from @ref mrq_pg_cmd */ uint32_t type; } BPMP_ABI_PACKED; struct cmd_pg_set_state_request { - /** @ref pg_states */ + /** One of the state values from @ref pg_states */ uint32_t state; } BPMP_ABI_PACKED; /** - * @brief Response data to #MRQ_PG sub command #CMD_PG_GET_STATE + * @brief Response payload for the #MRQ_PG sub-command #CMD_PG_GET_STATE */ struct cmd_pg_get_state_response { /** * @brief The state of the power partition that has been - * succesfuly requested by the master earlier using #MRQ_PG + * successfully requested by the master earlier using #MRQ_PG * command #CMD_PG_SET_STATE. * * The state may not reflect the physical state of the power * partition if there are some other masters requesting it to * be enabled. * - * See @ref pg_states for possible values + * See @ref pg_states for possible values. */ uint32_t state; } BPMP_ABI_PACKED; +/** + * @brief Response payload for the #MRQ_PG sub-command #CMD_PG_GET_NAME + */ struct cmd_pg_get_name_response { + /** + * @brief On successful response contains the null-terminated + * friendly name of the requested power-domain. + */ uint8_t name[MRQ_PG_NAME_MAXLEN]; } BPMP_ABI_PACKED; +/** + * @brief Response payload for the #MRQ_PG sub-command #CMD_PG_GET_MAX_ID + */ struct cmd_pg_get_max_id_response { uint32_t max_id; } BPMP_ABI_PACKED; @@ -1606,22 +2058,28 @@ struct cmd_pg_get_max_id_response { * @brief Request with #MRQ_PG * * Used by the sender of an #MRQ_PG message to control power - * partitions. The pg_request is split into several sub-commands. Some - * sub-commands require no additional data. Others have a sub-command - * specific payload + * partitions. The expected payload depends on the sub-command identifier. + * Some sub-commands require no additional data while others have a sub-command + * specific payload: * - * |sub-command |payload | - * |----------------------------|-----------------------| - * |CMD_PG_QUERY_ABI | query_abi | - * |CMD_PG_SET_STATE | set_state | - * |CMD_PG_GET_STATE | - | - * |CMD_PG_GET_NAME | - | - * |CMD_PG_GET_MAX_ID | - | + * |Sub-command |Payload | + * |----------------------------|---------------------------| + * |#CMD_PG_QUERY_ABI | #cmd_pg_query_abi_request | + * |#CMD_PG_SET_STATE | #cmd_pg_set_state_request | + * |#CMD_PG_GET_STATE | - | + * |#CMD_PG_GET_NAME | - | + * |#CMD_PG_GET_MAX_ID | - | * */ struct mrq_pg_request { + /** @brief Sub-command identifier from @ref mrq_pg_cmd. */ uint32_t cmd; + + /** + * @brief Power-domain identifier + */ uint32_t id; + union { struct cmd_pg_query_abi_request query_abi; struct cmd_pg_set_state_request set_state; @@ -1629,19 +2087,18 @@ struct mrq_pg_request { } BPMP_ABI_PACKED; /** - * @brief Response to MRQ_PG + * @brief Response to #MRQ_PG * - * Each sub-command supported by @ref mrq_pg_request may return - * sub-command-specific data. Some do and some do not as indicated in - * the following table + * Some of the #MRQ_PG sub-commands return a sub-command -specific payload + * as specified in the following table: * - * |sub-command |payload | - * |----------------------------|-----------------------| - * |CMD_PG_QUERY_ABI | - | - * |CMD_PG_SET_STATE | - | - * |CMD_PG_GET_STATE | get_state | - * |CMD_PG_GET_NAME | get_name | - * |CMD_PG_GET_MAX_ID | get_max_id | + * |Sub-command |Payload | + * |--------------------|------------------------------| + * |#CMD_PG_QUERY_ABI | - | + * |#CMD_PG_SET_STATE | - | + * |#CMD_PG_GET_STATE | #cmd_pg_get_state_response | + * |#CMD_PG_GET_NAME | #cmd_pg_get_name_response | + * |#CMD_PG_GET_MAX_ID | #cmd_pg_get_max_id_response | */ struct mrq_pg_response { union { @@ -1658,11 +2115,10 @@ struct mrq_pg_response { * @def MRQ_THERMAL * @brief Interact with BPMP thermal framework * - * * Platforms: T186, T194 * * Initiators: Any * * Targets: Any - * * Request Payload: TODO - * * Response Payload: TODO + * * Request Payload: #mrq_thermal_host_to_bpmp_request + * * Response Payload: #mrq_thermal_bpmp_to_host_response * * @addtogroup Thermal * @@ -1686,10 +2142,14 @@ struct mrq_pg_response { * payload of @ref mrq_thermal_bpmp_to_host_request. * @{ */ + +/** + * @brief Sub-command identifiers for Host->BPMP #MRQ_THERMAL -command. + */ enum mrq_thermal_host_to_bpmp_cmd { /** - * @brief Check whether the BPMP driver supports the specified - * request type. + * @brief Check whether BPMP-FW supports the specified + * #MRQ_THERMAL sub-command. * * Host needs to supply request parameters. * @@ -1703,31 +2163,44 @@ enum mrq_thermal_host_to_bpmp_cmd { * * Host needs to supply request parameters. * - * mrq_response::err is - * * 0: Temperature query succeeded. - * * -#BPMP_EINVAL: Invalid request parameters. - * * -#BPMP_ENOENT: No driver registered for thermal zone.. - * * -#BPMP_EFAULT: Problem reading temperature measurement. + * mrq_response::err value for this sub-command is: + * + * | Value | Description | + * | -------------- | ----------------------------------------- | + * | 0 | Temperature query succeeded. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_ENOENT | No driver registered for thermal zone. | + * | -#BPMP_EFAULT | Problem reading temperature measurement. | */ CMD_THERMAL_GET_TEMP = 1, /** + * @cond (!bpmp_safe && !bpmp_t264) * @brief Enable or disable and set the lower and upper * thermal limits for a thermal trip point. Each zone has * one trip point. * * Host needs to supply request parameters. Once the * temperature hits a trip point, the BPMP will send a message - * to the CPU having MRQ=MRQ_THERMAL and - * type=CMD_THERMAL_HOST_TRIP_REACHED + * to the CPU having MRQ command identifier equal to #MRQ_THERMAL and + * sub-command identifier equal to #CMD_THERMAL_HOST_TRIP_REACHED. * - * mrq_response::err is - * * 0: Trip successfully set. - * * -#BPMP_EINVAL: Invalid request parameters. - * * -#BPMP_ENOENT: No driver registered for thermal zone. - * * -#BPMP_EFAULT: Problem setting trip point. + * If #CMD_THERMAL_SET_TRIP -sub-command is issued for a + * thermal zone that is currently power gated and unable to + * report temperature, a temperature of -256C is used as + * temperature for evaluation of the trip. + * + * mrq_response::err for this sub-command is defined as: + * + * | Value | Description | + * | --------------- | -------------------------------------- | + * | 0 | Trip successfully set. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_ENOENT | No driver registered for thermal zone. | + * | -#BPMP_EFAULT | Problem setting trip point. | */ CMD_THERMAL_SET_TRIP = 2, + /** @endcond */ /** * @brief Get the number of supported thermal zones. @@ -1739,135 +2212,153 @@ enum mrq_thermal_host_to_bpmp_cmd { CMD_THERMAL_GET_NUM_ZONES = 3, /** - * @brief Get the thermtrip of the specified zone. + * @brief Get the thermal trip value of the specified zone. * * Host needs to supply request parameters. * - * mrq_response::err is - * * 0: Valid zone information returned. - * * -#BPMP_EINVAL: Invalid request parameters. - * * -#BPMP_ENOENT: No driver registered for thermal zone. - * * -#BPMP_ERANGE if thermtrip is invalid or disabled. - * * -#BPMP_EFAULT: Problem reading zone information. + * mrq_response::err for this sub-command is defined as: + * + * | Value | Description | + * | --------------- | -------------------------------------- | + * | 0 | Valid zone information returned. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_ENOENT | No driver registered for thermal zone. | + * | -#BPMP_ERANGE | Thermal trip is invalid or disabled. | + * | -#BPMP_EFAULT | Problem reading zone information. | */ CMD_THERMAL_GET_THERMTRIP = 4, - /** @brief: number of supported host-to-bpmp commands. May - * increase in future + /** + * @brief Number of supported host-to-bpmp commands. */ CMD_THERMAL_HOST_TO_BPMP_NUM }; +/** + * @brief Sub-command identifiers for BPMP->host #MRQ_THERMAL -command + */ enum mrq_thermal_bpmp_to_host_cmd { /** * @brief Indication that the temperature for a zone has - * exceeded the range indicated in the thermal trip point - * for the zone. + * exceeded the range indicated in the thermal trip point + * for the zone. * - * BPMP needs to supply request parameters. Host only needs to + * BPMP-FW needs to supply request parameters. Host only needs to * acknowledge. */ CMD_THERMAL_HOST_TRIP_REACHED = 100, - /** @brief: number of supported bpmp-to-host commands. May - * increase in future + /** + * @brief: Number of supported bpmp-to-host commands. May + * increase in future. */ CMD_THERMAL_BPMP_TO_HOST_NUM }; -/* - * Host->BPMP request data for request type CMD_THERMAL_QUERY_ABI - * - * zone: Request type for which to check existence. +/** + * Host->BPMP request payload for the #CMD_THERMAL_QUERY_ABI sub-command */ struct cmd_thermal_query_abi_request { + /** + * Request type for which to check whether supported by BPMP-FW. + * + * Valid identifiers are available at #mrq_thermal_host_to_bpmp_cmd + */ uint32_t type; } BPMP_ABI_PACKED; -/* - * Host->BPMP request data for request type CMD_THERMAL_GET_TEMP - * - * zone: Number of thermal zone. +/** + * Host->BPMP request payload for the #CMD_THERMAL_GET_TEMP sub-command */ struct cmd_thermal_get_temp_request { + /** Thermal zone identifier from @ref bpmp_thermal_ids. */ uint32_t zone; } BPMP_ABI_PACKED; -/* - * BPMP->Host reply data for request CMD_THERMAL_GET_TEMP +/** + * BPMP->Host response payload for the #CMD_THERMAL_GET_TEMP sub-command. * - * error: 0 if request succeeded. - * -BPMP_EINVAL if request parameters were invalid. - * -BPMP_ENOENT if no driver was registered for the specified thermal zone. - * -BPMP_EFAULT for other thermal zone driver errors. - * temp: Current temperature in millicelsius. + * mrq_response::err is defined as: + * + * | Value | Description | + * | ------------- | -------------------------------------------------------- | + * | 0 | Request succeeded. | + * | -#BPMP_EINVAL | Request parameters were invalid. | + * | -#BPMP_ENOENT | No driver was registered for the specified thermal zone. | + * | -#BPMP_EFAULT | For other BPMP-FW internal thermal zone driver errors. | */ struct cmd_thermal_get_temp_response { + /** @brief Current temperature in millicelsius. */ int32_t temp; } BPMP_ABI_PACKED; -/* - * Host->BPMP request data for request type CMD_THERMAL_SET_TRIP +/** + * @cond (!bpmp_safe && !bpmp_t264) * - * zone: Number of thermal zone. - * low: Temperature of lower trip point in millicelsius - * high: Temperature of upper trip point in millicelsius - * enabled: 1 to enable trip point, 0 to disable trip point + * Host->BPMP request payload for the #CMD_THERMAL_SET_TRIP sub-command. */ struct cmd_thermal_set_trip_request { + /** @brief Thermal zone identifier from @ref bpmp_thermal_ids. */ uint32_t zone; + /** @brief Temperature of lower trip point in millicelsius */ int32_t low; + /** @brief Temperature of upper trip point in millicelsius */ int32_t high; + /** 1 to enable trip point, 0 to disable trip point */ uint32_t enabled; } BPMP_ABI_PACKED; -/* - * BPMP->Host request data for request type CMD_THERMAL_HOST_TRIP_REACHED - * - * zone: Number of thermal zone where trip point was reached. +/** + * BPMP->Host request payload for the #CMD_THERMAL_HOST_TRIP_REACHED sub-command. */ struct cmd_thermal_host_trip_reached_request { + /** + * @brief ID of the thermal zone where trip point was reached, + * from @ref bpmp_thermal_ids. + */ uint32_t zone; } BPMP_ABI_PACKED; +/** @endcond */ -/* - * BPMP->Host reply data for request type CMD_THERMAL_GET_NUM_ZONES - * - * num: Number of supported thermal zones. The thermal zones are indexed - * starting from zero. +/** + * BPMP->Host response payload for the #CMD_THERMAL_GET_NUM_ZONES sub-command. */ struct cmd_thermal_get_num_zones_response { + /** + * @brief Number of supported thermal zones. + * + * The thermal zones are indexed starting from zero. + */ uint32_t num; } BPMP_ABI_PACKED; -/* - * Host->BPMP request data for request type CMD_THERMAL_GET_THERMTRIP - * - * zone: Number of thermal zone. +/** + * Host->BPMP request payload for the #CMD_THERMAL_GET_THERMTRIP sub-command. */ struct cmd_thermal_get_thermtrip_request { + /** @brief Thermal zone identifier from @ref bpmp_thermal_ids. */ uint32_t zone; } BPMP_ABI_PACKED; -/* - * BPMP->Host reply data for request CMD_THERMAL_GET_THERMTRIP - * - * thermtrip: HW shutdown temperature in millicelsius. +/** + * BPMP->Host response payload for the #CMD_THERMAL_GET_THERMTRIP sub-command. */ struct cmd_thermal_get_thermtrip_response { + /** @brief HW shutdown temperature in millicelsius. */ int32_t thermtrip; } BPMP_ABI_PACKED; -/* - * Host->BPMP request data. - * - * Reply type is union mrq_thermal_bpmp_to_host_response. +/** + * Host->BPMP #MRQ_THERMAL request payload. * - * type: Type of request. Values listed in enum mrq_thermal_type. - * data: Request type specific parameters. + * Response payload type is #mrq_thermal_bpmp_to_host_response. */ struct mrq_thermal_host_to_bpmp_request { + /** + * Request sub-command identifier from @ref mrq_thermal_host_to_bpmp_cmd. + */ uint32_t type; + union { struct cmd_thermal_query_abi_request query_abi; struct cmd_thermal_get_temp_request get_temp; @@ -1876,21 +2367,22 @@ struct mrq_thermal_host_to_bpmp_request { } BPMP_UNION_ANON; } BPMP_ABI_PACKED; -/* - * BPMP->Host request data. - * - * type: Type of request. Values listed in enum mrq_thermal_type. - * data: Request type specific parameters. +/** + * @brief Request payload for the BPMP->Host #MRQ_THERMAL command. */ struct mrq_thermal_bpmp_to_host_request { + /** + * Request sub-command identifier from @ref mrq_thermal_bpmp_to_host_cmd. + */ uint32_t type; + union { struct cmd_thermal_host_trip_reached_request host_trip_reached; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; -/* - * Data in reply to a Host->BPMP request. +/** + * @brief Response payload for the Host->BPMP #MRQ_THERMAL command. */ union mrq_thermal_bpmp_to_host_response { struct cmd_thermal_get_temp_response get_temp; @@ -1900,13 +2392,11 @@ union mrq_thermal_bpmp_to_host_response { /** @} Thermal */ -/** +/** @cond (!bpmp_safe && (bpmp_t234 || bpmp_t238 || bpmp_t264)) * @ingroup MRQ_Codes * @def MRQ_OC_STATUS - * @brief Query over current status + * @brief Query overcurrent status * - * * Platforms: T234 - * @cond bpmp_t234 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A @@ -1916,33 +2406,224 @@ union mrq_thermal_bpmp_to_host_response { * @{ */ +/** + * @brief Size of the mrq_oc_status_response::throt_en and + * mrq_oc_status_response::event_cnt -arrays. + */ #define OC_STATUS_MAX_SIZE 24U -/* - * @brief Response to #MRQ_OC_STATUS - * - * throt_en: Value for each OC alarm where zero signifies throttle is - * disabled, and non-zero throttle is enabled. - * event_cnt: Total number of OC events for each OC alarm. +/** + * @brief Response payload for the #MRQ_OC_STATUS -command. * * mrq_response::err is 0 if the operation was successful and * -#BPMP_ENODEV otherwise. */ struct mrq_oc_status_response { + /** + * @brief Value for each overcurrent alarm where zero signifies + * throttle is disabled, and non-zero throttle is enabled. + */ uint8_t throt_en[OC_STATUS_MAX_SIZE]; + + /** + * @brief Total number of overcurrent events for each overcurrent alarm. + */ uint32_t event_cnt[OC_STATUS_MAX_SIZE]; } BPMP_ABI_PACKED; /** @} OC_status */ -/** @endcond bpmp_t234 */ +/** @endcond */ + +/** @cond (bpmp_th500 || bpmp_tb500 || bpmp_t238) + * @ingroup MRQ_Codes + * @def MRQ_THROTTLE + * @brief Overcurrent throttling + * + * * Initiators: CCPLEX + * * Targets: BPMP + * * Request Payload: @ref mrq_throttle_request + * * Response Payload: @ref mrq_throttle_response + * @addtogroup Throttle + * @{ + */ +enum mrq_throttle_cmd { + /** + * @brief Check whether the BPMP-FW supports the specified + * #MRQ_THROTTLE sub-command. + * + * mrq_response::err is 0 if the specified request is + * supported and -#BPMP_ENODEV otherwise. + */ + CMD_THROTTLE_QUERY_ABI = 0, + + /** + * @cond (bpmp_th500 || bpmp_tb500) + * @brief query chipthrot status + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|--------------------------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | CMD_THROTTLE_GET_CHIPTHROT_STATUS is not supported by BPMP-FW| + */ + CMD_THROTTLE_GET_CHIPTHROT_STATUS = 1, + /** @endcond */ + + /** + * @cond bpmp_t238 + * @brief program OC throttle configuration + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|--------------------------------------------------------------| + * | 0 | Success | + * | -#BPMP_EINVAL | ID out of range or alarm for this ID not enabled at boot | + * | -#BPMP_ENODEV | CMD_THROTTLE_SET_OC_CONFIG is not supported by BPMP-FW | + */ + CMD_THROTTLE_SET_OC_CONFIG = 2, + /** @endcond */ +}; /** + * @brief Request payload for #MRQ_THROTTLE sub-command #CMD_THROTTLE_QUERY_ABI + */ +struct cmd_throttle_query_abi_request { + uint32_t cmd; /**< @ref mrq_throttle_cmd */ +} BPMP_ABI_PACKED; + +/** + * @cond bpmp_th500 + * @brief Response payload for #MRQ_THROTTLE sub-command + * #CMD_THROTTLE_GET_CHIPTHROT_STATUS + * + * Bit-mask of all h/w throttling actions that have been engaged since + * last invocation of this command + * Bit 0...11 : HW throttling status of the thermal zones. + * Bit 12...23 : Reserved for future thermal zone events. + * Bit 24...25 : HW throttling status of the Over current Alarms OC1 & OC2. + * Bit 26...31 : Reserved for future Over current alarm events. + * Bit 32...63 : Reserved for future use. + * @endcond + * @cond bpmp_tb500 + * @brief Response payload for #MRQ_THROTTLE sub-command + * #CMD_THROTTLE_GET_CHIPTHROT_STATUS + * + * Bit-mask of all h/w throttling actions that have been engaged since + * last invocation of this command + * Bit 0 : HW throttling status of the TB500C_TJ_MAX thermal zone. + * Bit 1...63 : Reserved for future use. + * @endcond + * @cond (bpmp_th500 || bpmp_tb500) + */ +struct cmd_throttle_get_chipthrot_status_response { + uint64_t status; +} BPMP_ABI_PACKED; +/** @endcond */ + +/** + * @cond bpmp_t238 + * @brief Request payload for #MRQ_THROTTLE sub-command + * #CMD_THROTTLE_SET_OC_CONFIG + * + * Only alarms that have been configured as enabled in BPMP-DTB at boot can + * be reconfigured with this MRQ. + */ +struct cmd_throttle_set_oc_config_request { + /** @brief valid OC alarm ID from @ref bpmp_soctherm_edp_oc_ids */ + uint32_t id; + /** @brief Throttling enable/disable + * + * Set to 1 to enable throttling, or 0 to disable. Other values are + * disallowed. + */ + uint8_t en_throttle; +} BPMP_ABI_PACKED; +/** @endcond */ + +/** + * @brief Request payload for the #MRQ_THROTTLE -command + * + * | Sub-command | Request payload | + * |------------------------------------|----------------------------------| + * | #CMD_THROTTLE_QUERY_ABI | #cmd_throttle_query_abi_request | + * + * @cond bpmp_th500 + * The following additional sub-commands are supported on TH500 platforms: + * | Sub-command | Request payload | + * |------------------------------------|----------------------------------| + * | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | - | + * @endcond + * + * @cond bpmp_tb500 + * The following additional sub-commands are supported on TB500 platforms: + * | Sub-command | Request payload | + * |------------------------------------|----------------------------------| + * | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | - | + * @endcond + * + * @cond bpmp_t238 + * The following additional sub-commands are supported on T238 platforms: + * | Sub-command | Request payload | + * |------------------------------------|-------------------------------------| + * | #CMD_THROTTLE_SET_OC_CONFIG | #cmd_throttle_set_oc_config_request | + * @endcond + */ +struct mrq_throttle_request { + uint32_t cmd; + union { + struct cmd_throttle_query_abi_request throttle_query_abi_req; + /** @cond bpmp_t238 */ + struct cmd_throttle_set_oc_config_request throttle_set_oc_config_req; + /** @endcond */ + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for the #MRQ_THROTTLE -command. + * + * | Sub-command | Response payload | + * |------------------------------------|--------------------------------------------| + * | #CMD_THROTTLE_QUERY_ABI | - | + * + * @cond bpmp_th500 + * The following additional sub-commands are supported on TH500 platforms: + * | Sub-command | Response payload | + * |------------------------------------|--------------------------------------------| + * | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | #cmd_throttle_get_chipthrot_status_response| + * @endcond + * + * @cond bpmp_tb500 + * The following additional sub-commands are supported on TB500 platforms: + * | Sub-command | Response payload | + * |------------------------------------|--------------------------------------------| + * | #CMD_THROTTLE_GET_CHIPTHROT_STATUS | #cmd_throttle_get_chipthrot_status_response| + * @endcond + * + * @cond bpmp_t238 + * The following additional sub-commands are supported on T238 platforms: + * | Sub-command | Response payload | + * |------------------------------------|--------------------------------------------| + * | #CMD_THROTTLE_SET_OC_CONFIG | - | + * @endcond + */ +struct mrq_throttle_response { + union { + /** @cond (bpmp_th500 || bpmp_tb500) */ + struct cmd_throttle_get_chipthrot_status_response throttle_get_chipthrot_status_resp; + /** @endcond */ + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; +/** @} Throttle */ +/** @endcond */ + + +/** @cond bpmp_t186 * @ingroup MRQ_Codes * @def MRQ_CPU_VHINT * @brief Query CPU voltage hint data * - * * Platforms: T186 - * @cond bpmp_t186 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_vhint_request @@ -1995,14 +2676,13 @@ struct cpu_vhint_data { } BPMP_ABI_PACKED; /** @} Vhint */ -/** @endcond bpmp_t186 */ +/** @endcond */ /** * @ingroup MRQ_Codes * @def MRQ_ABI_RATCHET * @brief ABI ratchet value query * - * * Platforms: T186, T194 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_abi_ratchet_request @@ -2014,7 +2694,7 @@ struct cpu_vhint_data { /** * @brief An ABI compatibility mechanism * - * BPMP_ABI_RATCHET_VALUE may increase for various reasons in a future + * #BPMP_ABI_RATCHET_VALUE may increase for various reasons in a future * revision of this header file. * 1. That future revision deprecates some MRQ * 2. That future revision introduces a breaking change to an existing @@ -2051,11 +2731,11 @@ struct mrq_abi_ratchet_request { * * If #ratchet is less than the requester's #BPMP_ABI_RATCHET_VALUE, * the requster must either interoperate with BPMP according to an ABI - * header version with BPMP_ABI_RATCHET_VALUE = ratchet or cease + * header version with #BPMP_ABI_RATCHET_VALUE = ratchet or cease * communication with BPMP. * * If mrq_response::err is 0 and ratchet is greater than or equal to the - * requester's BPMP_ABI_RATCHET_VALUE, the requester should continue + * requester's #BPMP_ABI_RATCHET_VALUE, the requester should continue * normal operation. */ struct mrq_abi_ratchet_response { @@ -2070,7 +2750,9 @@ struct mrq_abi_ratchet_response { * @def MRQ_EMC_DVFS_LATENCY * @brief Query frequency dependent EMC DVFS latency * - * * Platforms: T186, T194, T234 + * On T264 and onwards, this MRQ service is available only when + * BPMP-FW has valid DRAM timing table passed by earlier boot stages. + * * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A @@ -2094,7 +2776,11 @@ struct emc_dvfs_latency { * @brief Response to #MRQ_EMC_DVFS_LATENCY */ struct mrq_emc_dvfs_latency_response { - /** @brief The number valid entries in #pairs */ + /** + * @brief The number valid entries in #pairs + * + * Valid range is [0, #EMC_DVFS_LATENCY_MAX_SIZE] + */ uint32_t num_pairs; /** @brief EMC DVFS node information */ struct emc_dvfs_latency pairs[EMC_DVFS_LATENCY_MAX_SIZE]; @@ -2102,13 +2788,11 @@ struct mrq_emc_dvfs_latency_response { /** @} EMC */ -/** +/** @cond (bpmp_t234) * @ingroup MRQ_Codes * @def MRQ_EMC_DVFS_EMCHUB * @brief Query EMC HUB frequencies * - * * Platforms: T234 onwards - * @cond (bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A @@ -2139,15 +2823,13 @@ struct mrq_emc_dvfs_emchub_response { } BPMP_ABI_PACKED; /** @} EMC */ -/** @endcond (bpmp_t234 || bpmp_t238 || bpmp_th500) */ +/** @endcond */ -/** +/** @cond (bpmp_t234) * @ingroup MRQ_Codes * @def MRQ_EMC_DISP_RFL * @brief Set EMC display RFL handshake mode of operations * - * * Platforms: T234 onwards - * @cond (bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_emc_disp_rfl_request @@ -2157,6 +2839,9 @@ struct mrq_emc_dvfs_emchub_response { * @{ */ +/** + * @brief Allowed mode values for the mrq_emc_disp_rfl_request::mode -field. + */ enum mrq_emc_disp_rfl_mode { /** @brief EMC display RFL handshake disabled */ EMC_DISP_RFL_MODE_DISABLED = 0, @@ -2171,65 +2856,75 @@ enum mrq_emc_disp_rfl_mode { * Used by the sender of an #MRQ_EMC_DISP_RFL message to * request the mode of EMC display RFL handshake. * - * mrq_response::err is - * * 0: RFL mode is set successfully - * * -#BPMP_EINVAL: invalid mode requested - * * -#BPMP_ENOSYS: RFL handshake is not supported - * * -#BPMP_EACCES: Permission denied - * * -#BPMP_ENODEV: if disp rfl mrq is not supported by BPMP-FW + * mrq_response::err for this request is defined as: + * + * | Value | Description | + * | -------------- | --------------------------------------------- | + * | 0 | RFL mode is set successfully. | + * | -#BPMP_EINVAL | Invalid mode requested. | + * | -#BPMP_ENOSYS | RFL handshake is not supported. | + * | -#BPMP_EACCES | Permission denied. | + * | -#BPMP_ENODEV | if disp rfl mrq is not supported by BPMP-FW. | */ struct mrq_emc_disp_rfl_request { - /** @brief EMC display RFL mode (@ref mrq_emc_disp_rfl_mode) */ + /** @brief EMC display RFL mode from @ref mrq_emc_disp_rfl_mode */ uint32_t mode; } BPMP_ABI_PACKED; /** @} EMC */ -/** @endcond (bpmp_t234 || bpmp_t238 || bpmp_th500) */ +/** @endcond */ -/** +/** @cond (!bpmp_safe && (bpmp_t234 || bpmp_t238)) * @ingroup MRQ_Codes * @def MRQ_BWMGR - * @brief bwmgr requests + * @brief Bandwidth manager (BWMGR) commands * - * * Platforms: T234 onwards - * @cond (bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_bwmgr_request * * Response Payload: @ref mrq_bwmgr_response * * @addtogroup BWMGR - * * @{ */ +/** + * @brief Sub-command identifiers for #MRQ_BWMGR + */ enum mrq_bwmgr_cmd { /** - * @brief Check whether the BPMP driver supports the specified - * request type + * @brief Check whether BPMP-FW supports the specified + * #MRQ_BWMGR sub-command. * - * mrq_response::err is 0 if the specified request is - * supported and -#BPMP_ENODEV otherwise. + * mrq_response::err is defined to be: + * + * | Value | Description + * |----------------|---------------------------- + * | 0 | Specified sub-command is supported. + * | -#BPMP_ENODEV | Specified sub-command is not supported. */ CMD_BWMGR_QUERY_ABI = 0, /** - * @brief Determine dram rate to satisfy iso/niso bw requests + * @brief Determine DRAM rate to satisfy ISO/NISO bandwidth requests * - * mrq_response::err is - * * 0: calc_rate succeeded. - * * -#BPMP_EINVAL: Invalid request parameters. - * * -#BPMP_ENOTSUP: Requested bw is not available. + * mrq_response::err is defined to be: + * + * | Value | Description + * |----------------|---------------------------- + * | 0 | Rate calculation succeeded. + * | -#BPMP_EINVAL | Invalid request parameters. + * | -#BPMP_ENOTSUP | Requested bandwidth is not available. + * | <0 | Any other internal error. */ CMD_BWMGR_CALC_RATE = 1 }; -/* - * request data for request type CMD_BWMGR_QUERY_ABI - * - * type: Request type for which to check existence. +/** + * @brief Request payload for #MRQ_BWMGR sub-command #CMD_BWMGR_QUERY_ABI */ struct cmd_bwmgr_query_abi_request { + /** @brief Sub-command identifier from @ref mrq_bwmgr_cmd. */ uint32_t type; } BPMP_ABI_PACKED; @@ -2237,47 +2932,56 @@ struct cmd_bwmgr_query_abi_request { * @brief Used by @ref cmd_bwmgr_calc_rate_request */ struct iso_req { - /* @brief bwmgr client ID @ref bpmp_bwmgr_ids */ + /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; - /* @brief bw in kBps requested by client */ + /** @brief Bandwidth in kBps requested by client */ uint32_t iso_bw; } BPMP_ABI_PACKED; +/** + * @brief Size of the cmd_bwmgr_calc_rate_request::isobw_reqs -array. + */ #define MAX_ISO_CLIENTS 13U -/* - * request data for request type CMD_BWMGR_CALC_RATE + +/** + * @brief Request payload for #MRQ_BWMGR sub-command #CMD_BWMGR_CALC_RATE */ struct cmd_bwmgr_calc_rate_request { - /* @brief total bw in kBps requested by all niso clients */ + /** @brief Total bandwidth in kBps requested by all NISO clients. */ uint32_t sum_niso_bw; - /* @brief The number of iso clients */ + /** @brief The number of ISO client requests in #isobw_reqs -array */ uint32_t num_iso_clients; - /* @brief iso_req information */ + /** @brief iso_req information */ struct iso_req isobw_reqs[MAX_ISO_CLIENTS]; } BPMP_ABI_PACKED; -/* - * response data for request type CMD_BWMGR_CALC_RATE - * - * iso_rate_min: min dram data clk rate in kHz to satisfy all iso bw reqs - * total_rate_min: min dram data clk rate in kHz to satisfy all bw reqs +/** + * @brief Response payload for #MRQ_BWMGR sub-command #CMD_BWMGR_CALC_RATE */ struct cmd_bwmgr_calc_rate_response { + /** + * @brief Minimum DRAM data clock rate in kHz to satisfy all ISO client + * bandwidth requests. + */ uint32_t iso_rate_min; + + /** + * @brief Minimum DRAM data clock rate in kHz to satisfy all + * bandwidth requests. + */ uint32_t total_rate_min; } BPMP_ABI_PACKED; -/* - * @brief Request with #MRQ_BWMGR - * - * - * |sub-command |payload | - * |----------------------------|------------------------------| - * |CMD_BWMGR_QUERY_ABI | cmd_bwmgr_query_abi_request | - * |CMD_BWMGR_CALC_RATE | cmd_bwmgr_calc_rate_request | +/** + * @brief Request payload for the #MRQ_BWMGR -command. * + * |Sub-command |Payload | + * |----------------------|-----------------------------| + * |#CMD_BWMGR_QUERY_ABI |#cmd_bwmgr_query_abi_request | + * |#CMD_BWMGR_CALC_RATE |#cmd_bwmgr_calc_rate_request | */ struct mrq_bwmgr_request { + /** @brief Sub-command identifier from @ref mrq_bwmgr_cmd. */ uint32_t cmd; union { struct cmd_bwmgr_query_abi_request query_abi; @@ -2285,12 +2989,12 @@ struct mrq_bwmgr_request { } BPMP_UNION_ANON; } BPMP_ABI_PACKED; -/* - * @brief Response to MRQ_BWMGR +/** + * @brief Response payload for the #MRQ_BWMGR -command. * - * |sub-command |payload | - * |----------------------------|------------------------------| - * |CMD_BWMGR_CALC_RATE | cmd_bwmgr_calc_rate_response | + * |Sub-command |Payload | + * |----------------------|------------------------------| + * |#CMD_BWMGR_CALC_RATE |#cmd_bwmgr_calc_rate_response | */ struct mrq_bwmgr_response { union { @@ -2299,15 +3003,13 @@ struct mrq_bwmgr_response { } BPMP_ABI_PACKED; /** @} BWMGR */ -/** @endcond (bpmp_t234 || bpmp_t238 || bpmp_th500) */ +/** @endcond */ -/** +/** @cond (!bpmp_safe && (bpmp_t234 || bpmp_t238 || bpmp_t264)) * @ingroup MRQ_Codes * @def MRQ_BWMGR_INT - * @brief bpmp-integrated bwmgr requests + * @brief BPMP-FW integrated BWMGR requests * - * * Platforms: T234 onwards - * @cond (bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_bwmgr_int_request @@ -2317,10 +3019,13 @@ struct mrq_bwmgr_response { * @{ */ +/** + * @brief Sub-command identifiers for #MRQ_BWMGR_INT + */ enum mrq_bwmgr_int_cmd { /** * @brief Check whether the BPMP-FW supports the specified - * request type + * sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. @@ -2328,36 +3033,64 @@ enum mrq_bwmgr_int_cmd { CMD_BWMGR_INT_QUERY_ABI = 1, /** - * @brief Determine and set dram rate to satisfy iso/niso bw request + * @brief Determine and set DRAM rate to satisfy ISO/NISO bandwidth requests. * - * mrq_response::err is - * * 0: request succeeded. - * * -#BPMP_EINVAL: Invalid request parameters. - * set_frequency in @ref cmd_bwmgr_int_calc_and_set_response - * will not be set. - * * -#BPMP_ENOTSUP: Requested bw is not available. - * set_frequency in @ref cmd_bwmgr_int_calc_and_set_response - * will be current dram-clk rate. + * mrq_response::err is defined as: + * + * |Value |Description | + * |-----------------|----------------------------------------------------------------------------------------------------------------| + * |0 |Request succeeded. | + * |-#BPMP_EINVAL |Invalid request parameters, cmd_bwmgr_int_calc_and_set_response::rate is not set. | + * |-#BPMP_ENOTSUP |Requested bandwidth is not available, cmd_bwmgr_int_calc_and_set_response::rate is the current DRAM clock rate. | + * |<0 |Any other internal error. | */ CMD_BWMGR_INT_CALC_AND_SET = 2, /** - * @brief Set a max DRAM frequency for the bandwidth-manager + * @brief Set a max DRAM frequency for the bandwidth manager. * - * mrq_response::err is - * * 0: request succeeded. - * * -#BPMP_ENOTSUP: Requested cap frequency is not possible. + * mrq_response::err is defined as: + * + * |Value |Description | + * |-----------------|------------------------------------------| + * |0 |Request succeeded. | + * |-#BPMP_ENOTSUP |Requested cap frequency is not possible. | + * |<0 |Any other internal error. | + */ + CMD_BWMGR_INT_CAP_SET = 3, + + /** + * @brief Obtain the maximum amount of bandwidth currently allocatable + * to the requesting client. + * + * mrq_response::err is defined as: + * + * |Value |Description | + * |-----------------|------------------------------------------| + * |0 |Request succeeded. | + * |-#BPMP_EINVAL |Invalid request parameters. | + * |<0 |Any other internal error. | + */ + CMD_BWMGR_INT_CURR_AVAILABLE_BW = 4, + /** + * @brief Get the last request made by the client. + * + * mrq_response::err is defined as: + * + * |Value |Description | + * |-----------------|------------------------------------------| + * |0 |Request succeeded. | + * |-#BPMP_EINVAL |Invalid request parameters. | + * |<0 |Any other internal error. | */ - CMD_BWMGR_INT_CAP_SET = 3 + CMD_BWMGR_INT_GET_LAST_REQUEST = 5, }; -/* - * request structure for request type CMD_BWMGR_QUERY_ABI - * - * type: Request type for which to check existence. +/** + * @brief Request payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_QUERY_ABI */ struct cmd_bwmgr_int_query_abi_request { - /* @brief request type determined by @ref mrq_bwmgr_int_cmd */ + /** @brief Sub-command identifier from @ref mrq_bwmgr_int_cmd. */ uint32_t type; } BPMP_ABI_PACKED; @@ -2373,87 +3106,168 @@ struct cmd_bwmgr_int_query_abi_request { /** @} bwmgr_int_unit_type */ -/* - * request data for request type CMD_BWMGR_INT_CALC_AND_SET +/** + * @brief Request payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CALC_AND_SET */ struct cmd_bwmgr_int_calc_and_set_request { - /* @brief bwmgr client ID @ref bpmp_bwmgr_ids */ + /** @brief BWGMR client ID from @ref bpmp_bwmgr_ids */ uint32_t client_id; - /* @brief average niso bw usage in kBps requested by client. */ + /** @brief Average NISO bandwidth usage in kBps requested by client. */ uint32_t niso_bw; - /* - * @brief average iso bw usage in kBps requested by client. - * Value is ignored if client is niso. Determined by client_id. + /** + * @brief Average ISO bandwidth usage in kBps requested by client. + * + * Value is ignored if client is NISO as determined by #client_id. */ uint32_t iso_bw; - /* - * @brief memory clock floor requested by client. - * Unit determined by floor_unit. + /** + * @brief Memory clock floor requested by client, unit of the value + * is determined by #floor_unit -field. */ uint32_t mc_floor; - /* - * @brief toggle to determine the unit-type of floor value. - * See @ref bwmgr_int_unit_type definitions for unit-type mappings. + /** + * @brief Value set to determine the unit of the #mc_floor value: + * + * | Value | Unit | + * |-----------------------|----------------------| + * | #BWMGR_INT_UNIT_KBPS | Kilobytes per second | + * | #BWMGR_INT_UNIT_KHZ | Kilohertz | */ uint8_t floor_unit; } BPMP_ABI_PACKED; -struct cmd_bwmgr_int_cap_set_request { - /* @brief requested cap frequency in Hz. */ +/** + * @brief Response payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CALC_AND_SET + */ +struct cmd_bwmgr_int_calc_and_set_response { + /** @brief Currently set memory clock frequency in Hz */ uint64_t rate; } BPMP_ABI_PACKED; -/* - * response data for request type CMD_BWMGR_CALC_AND_SET +/** + * @brief Request payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CAP_SET */ -struct cmd_bwmgr_int_calc_and_set_response { - /* @brief current set memory clock frequency in Hz */ +struct cmd_bwmgr_int_cap_set_request { + /** @brief Requested cap frequency in Hz. */ uint64_t rate; } BPMP_ABI_PACKED; -/* - * @brief Request with #MRQ_BWMGR_INT +/** + * @brief Request payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CURR_AVAILABLE_BW + */ +struct cmd_bwmgr_int_curr_available_bw_request { + /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ + uint32_t id; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for #MRQ_BWMGR_INT sub-command #CMD_BWMGR_INT_CURR_AVAILABLE_BW + */ +struct cmd_bwmgr_int_curr_available_bw_response { + /** @brief Current cap frequency in KHz. */ + uint64_t cap_rate; + /** @brief Currently available bandwidth for the requesting client + * to allocate in KBps. + */ + uint64_t available_bw; +} BPMP_ABI_PACKED; + +struct cmd_bwmgr_int_get_last_request_request { + /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ + uint32_t id; + /** + * @brief Value set to determine the unit of the returned mc_floor value: + * + * | Value | Unit | + * |-----------------------|----------------------| + * | #BWMGR_INT_UNIT_KBPS | Kilobytes per second | + * | #BWMGR_INT_UNIT_KHZ | Kilohertz | + */ + uint8_t floor_unit; +} BPMP_ABI_PACKED; + +struct cmd_bwmgr_int_get_last_request_response { + /** @brief BWGMR client ID from @ref bpmp_bwmgr_ids */ + uint32_t client_id; + /** @brief Average NISO bandwidth usage in kBps requested by client. */ + uint32_t niso_bw; + /** + * @brief Average ISO bandwidth usage in kBps requested by client. + */ + uint32_t iso_bw; + /** + * @brief Memory clock floor requested by client, unit of the value + * is determined by #floor_unit -field. + */ + uint32_t mc_floor; + /** + * @brief Value set to determine the unit of the #mc_floor value: + * + * | Value | Unit | + * |-----------------------|----------------------| + * | #BWMGR_INT_UNIT_KBPS | Kilobytes per second | + * | #BWMGR_INT_UNIT_KHZ | Kilohertz | + */ + uint8_t floor_unit; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for the #MRQ_BWMGR_INT -command. * + * |Sub-command |Payload | + * |---------------------------------|-----------------------------------------| + * |#CMD_BWMGR_INT_QUERY_ABI |#cmd_bwmgr_int_query_abi_request | + * |#CMD_BWMGR_INT_CALC_AND_SET |#cmd_bwmgr_int_calc_and_set_request | + * |#CMD_BWMGR_INT_CAP_SET |#cmd_bwmgr_int_cap_set_request | + * |#CMD_BWMGR_INT_GET_LAST_REQUEST |#cmd_bwmgr_int_get_last_request_request | * - * |sub-command |payload | - * |----------------------------|-----------------------------------| - * |CMD_BWMGR_INT_QUERY_ABI | cmd_bwmgr_int_query_abi_request | - * |CMD_BWMGR_INT_CALC_AND_SET | cmd_bwmgr_int_calc_and_set_request| - * |CMD_BWMGR_INT_CAP_SET | cmd_bwmgr_int_cap_set_request | + * The following additional sub-commands are supported on T264 platforms: * + * |Sub-command |Payload | + * |---------------------------------|-----------------------------------------| + * |#CMD_BWMGR_INT_CURR_AVAILABLE_BW |#cmd_bwmgr_int_curr_available_bw_request | */ struct mrq_bwmgr_int_request { + /** @brief Sub-command identifier from @ref mrq_bwmgr_int_cmd. */ uint32_t cmd; union { struct cmd_bwmgr_int_query_abi_request query_abi; struct cmd_bwmgr_int_calc_and_set_request bwmgr_calc_set_req; struct cmd_bwmgr_int_cap_set_request bwmgr_cap_set_req; + struct cmd_bwmgr_int_curr_available_bw_request bwmgr_curr_available_bw_req; + struct cmd_bwmgr_int_get_last_request_request bwmgr_get_last_request_req; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; -/* - * @brief Response to MRQ_BWMGR_INT +/** + * @brief Response payload for the #MRQ_BWMGR_INT -command. * - * |sub-command |payload | - * |----------------------------|---------------------------------------| - * |CMD_BWMGR_INT_CALC_AND_SET | cmd_bwmgr_int_calc_and_set_response | + * |Sub-command |Payload | + * |---------------------------------|------------------------------------------| + * |#CMD_BWMGR_INT_CALC_AND_SET |#cmd_bwmgr_int_calc_and_set_response | + * |#CMD_BWMGR_INT_GET_LAST_REQUEST |#cmd_bwmgr_int_get_last_request_response | + * + * The following additional sub-commands are supported on T264 platforms: + * |Sub-command |Payload | + * |---------------------------------|------------------------------------------| + * |#CMD_BWMGR_INT_CURR_AVAILABLE_BW |#cmd_bwmgr_int_curr_available_bw_response | */ struct mrq_bwmgr_int_response { union { struct cmd_bwmgr_int_calc_and_set_response bwmgr_calc_set_resp; + struct cmd_bwmgr_int_curr_available_bw_response bwmgr_curr_available_bw_resp; + struct cmd_bwmgr_int_get_last_request_response bwmgr_get_last_request_resp; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} BWMGR_INT */ -/** @endcond (bpmp_t234 || bpmp_t238 || bpmp_th500) */ +/** @endcond */ -/** +/** @cond (!bpmp_safe && (bpmp_t234 || bpmp_t238 || bpmp_t264)) * @ingroup MRQ_Codes * @def MRQ_ISO_CLIENT * @brief ISO client requests * - * * Platforms: T234 onwards - * @cond (bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_iso_client_request @@ -2463,148 +3277,178 @@ struct mrq_bwmgr_int_response { * @{ */ +/** + * @brief Sub-command identifiers for #MRQ_ISO_CLIENT. + */ enum mrq_iso_client_cmd { /** - * @brief Check whether the BPMP driver supports the specified - * request type + * @brief Check whether BPMP-FW supports a specified + * #MRQ_ISO_CLIENT sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. */ CMD_ISO_CLIENT_QUERY_ABI = 0, - /* - * @brief check for legal LA for the iso client. Without programming - * LA MC registers, calculate and ensure that legal LA is possible for - * iso bw requested by the ISO client. + /** + * @brief Determine legal LA for ISO client. * - * mrq_response::err is - * * 0: check la succeeded. - * * -#BPMP_EINVAL: Invalid request parameters. - * * -#BPMP_EFAULT: Legal LA is not possible for client requested iso_bw + * Without programming LA MC registers, calculate and ensure that + * a legal LA is possible for the ISO bandwidth requested by the + * ISO client. + * + * mrq_response::err for this sub-command is defined as: + * + * | Value | Description | + * |---------------|--------------------------------------------------------------| + * | 0 | Request successful and legal LA is possible. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_EFAULT | Legal LA is not possible for client requested ISO bandwidth. | + * | <0 | Any other internal error. | */ CMD_ISO_CLIENT_CALCULATE_LA = 1, - /* - * @brief set LA for the iso client. Calculate and program the LA/PTSA - * MC registers corresponding to the client making bw request + /** + * @brief Set LA for ISO client. * - * mrq_response::err is - * * 0: set la succeeded. - * * -#BPMP_EINVAL: Invalid request parameters. - * * -#BPMP_EFAULT: Failed to calculate or program MC registers. + * Calculate and program the LA/PTSA MC registers corresponding to the + * ISO client making the bandwidth request. + * + * mrq_response::err for this sub-command is defined as: + * + * | Value | Description | + * |---------------|----------------------------------------------| + * | 0 | Setting LA succeeded. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_EFAULT | Failed to calculate or program MC registers. | + * | <0 | Any other internal error. | */ CMD_ISO_CLIENT_SET_LA = 2, - /* - * @brief Get max possible bw for iso client + /** + * @brief Get maximum possible bandwidth for ISO client. * - * mrq_response::err is - * * 0: get_max_bw succeeded. - * * -#BPMP_EINVAL: Invalid request parameters. + * mrq_response::err for this sub-command is defined as: + * + * | Value | Description | + * |---------------|----------------------------------------------| + * | 0 | Operation successful. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | <0 | Any other internal error. | */ CMD_ISO_CLIENT_GET_MAX_BW = 3 }; -/* - * request data for request type CMD_ISO_CLIENT_QUERY_ABI - * - * type: Request type for which to check existence. +/** + * @brief Request payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_QUERY_ABI */ struct cmd_iso_client_query_abi_request { + /** + * @brief Sub-command identifier from @ref mrq_iso_client_cmd + * for which to check existence. + */ uint32_t type; } BPMP_ABI_PACKED; -/* - * request data for request type CMD_ISO_CLIENT_CALCULATE_LA - * - * id: client ID in @ref bpmp_bwmgr_ids - * bw: bw requested in kBps by client ID. - * init_bw_floor: initial dram_bw_floor in kBps passed by client ID. - * ISO client will perform mempool allocation and DVFS buffering based - * on this dram_bw_floor. +/** + * @brief Request payload #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_CALCULATE_LA */ struct cmd_iso_client_calculate_la_request { + /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; + /** @brief Bandwidth requested in kBps for the client specified in #id. */ uint32_t bw; + /** + * @brief Initial DRAM bandwidth floor in kBps for the ISO client specified in #id. + * + * ISO client will perform mempool allocation and DVFS buffering based + * on this value. + */ uint32_t init_bw_floor; } BPMP_ABI_PACKED; -/* - * request data for request type CMD_ISO_CLIENT_SET_LA - * - * id: client ID in @ref bpmp_bwmgr_ids - * bw: bw requested in kBps by client ID. - * final_bw_floor: final dram_bw_floor in kBps. - * Sometimes the initial dram_bw_floor passed by ISO client may need to be - * updated by considering higher dram freq's. This is the final dram_bw_floor - * used to calculate and program MC registers. +/** + * @brief Response payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_CALCULATE_LA + */ +struct cmd_iso_client_calculate_la_response { + /** @brief Minimum DRAM rate in kHz at which a legal LA is possible */ + uint32_t la_rate_floor; + /** + * Minimum DRAM frequency in kHz required to satisfy this clients + * ISO bandwidth request, assuming all other ISO clients are inactive. + */ + uint32_t iso_client_only_rate; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_SET_LA */ struct cmd_iso_client_set_la_request { + /** @brief BMWGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; + /** @brief Bandwidth requested in kBps for the client specified in #id. */ uint32_t bw; + /** + * @brief Final DRAM bandwidth floor in kBps. + * + * Sometimes the initial cmd_iso_client_calculate_la_request::dram_bw_floor + * passed by ISO client may need to be updated by considering higher + * DRAM frequencies. This is the final DRAM bandwidth floor value used + * to calculate and program MC registers. + */ uint32_t final_bw_floor; } BPMP_ABI_PACKED; -/* - * request data for request type CMD_ISO_CLIENT_GET_MAX_BW - * - * id: client ID in @ref bpmp_bwmgr_ids +/** + * @brief Request payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_GET_MAX_BW */ struct cmd_iso_client_get_max_bw_request { + /** @brief BWMGR client ID from @ref bpmp_bwmgr_ids */ uint32_t id; } BPMP_ABI_PACKED; -/* - * response data for request type CMD_ISO_CLIENT_CALCULATE_LA - * - * la_rate_floor: minimum dram_rate_floor in kHz at which a legal la is possible - * iso_client_only_rate: Minimum dram freq in kHz required to satisfy this clients - * iso bw request, assuming all other iso clients are inactive - */ -struct cmd_iso_client_calculate_la_response { - uint32_t la_rate_floor; - uint32_t iso_client_only_rate; -} BPMP_ABI_PACKED; - /** * @brief Used by @ref cmd_iso_client_get_max_bw_response */ struct iso_max_bw { - /* @brief dram frequency in kHz */ + /** @brief dram frequency in kHz */ uint32_t freq; - /* @brief max possible iso-bw in kBps */ + /** @brief max possible iso-bw in kBps */ uint32_t iso_bw; } BPMP_ABI_PACKED; +/** + * @brief Size of the cmd_iso_client_get_max_bw_response::pairs -array. + */ #define ISO_MAX_BW_MAX_SIZE 14U -/* - * response data for request type CMD_ISO_CLIENT_GET_MAX_BW + +/** + * @brief Response payload for #MRQ_ISO_CLIENT sub-command #CMD_ISO_CLIENT_GET_MAX_BW */ struct cmd_iso_client_get_max_bw_response { - /* @brief The number valid entries in iso_max_bw pairs */ + /** @brief The number valid entries in iso_max_bw pairs */ uint32_t num_pairs; - /* @brief max ISOBW information */ + /** @brief max ISOBW information */ struct iso_max_bw pairs[ISO_MAX_BW_MAX_SIZE]; } BPMP_ABI_PACKED; /** - * @brief Request with #MRQ_ISO_CLIENT - * - * Used by the sender of an #MRQ_ISO_CLIENT message. + * @brief Request payload for #MRQ_ISO_CLIENT command. * - * |sub-command |payload | - * |------------------------------------ |----------------------------------------| - * |CMD_ISO_CLIENT_QUERY_ABI |cmd_iso_client_query_abi_request | - * |CMD_ISO_CLIENT_CALCULATE_LA |cmd_iso_client_calculate_la_request | - * |CMD_ISO_CLIENT_SET_LA |cmd_iso_client_set_la_request | - * |CMD_ISO_CLIENT_GET_MAX_BW |cmd_iso_client_get_max_bw_request | + * Each #MRQ_ISO_CLIENT -command is expected to include a sub-command specific + * payload as defined in table below: * + * |Sub-command |Request payload | + * |-----------------------------|--------------------------------------| + * |#CMD_ISO_CLIENT_QUERY_ABI |#cmd_iso_client_query_abi_request | + * |#CMD_ISO_CLIENT_CALCULATE_LA |#cmd_iso_client_calculate_la_request | + * |#CMD_ISO_CLIENT_SET_LA |#cmd_iso_client_set_la_request | + * |#CMD_ISO_CLIENT_GET_MAX_BW |#cmd_iso_client_get_max_bw_request | */ - struct mrq_iso_client_request { - /* Type of request. Values listed in enum mrq_iso_client_cmd */ + /** @brief Sub-command identifier from @ref mrq_iso_client_cmd. */ uint32_t cmd; + union { struct cmd_iso_client_query_abi_request query_abi; struct cmd_iso_client_calculate_la_request calculate_la_req; @@ -2614,20 +3458,20 @@ struct mrq_iso_client_request { } BPMP_ABI_PACKED; /** - * @brief Response to MRQ_ISO_CLIENT + * @brief Response payload for #MRQ_ISO_CLIENT command. * - * Each sub-command supported by @ref mrq_iso_client_request may return - * sub-command-specific data. Some do and some do not as indicated in - * the following table + * Some of the sub-commands supported by #MRQ_ISO_CLIENT may return + * a sub-command -specific payload in the MRQ response as defined in table + * below: * - * |sub-command |payload | - * |---------------------------- |------------------------------------| - * |CMD_ISO_CLIENT_CALCULATE_LA |cmd_iso_client_calculate_la_response| - * |CMD_ISO_CLIENT_SET_LA |N/A | - * |CMD_ISO_CLIENT_GET_MAX_BW |cmd_iso_client_get_max_bw_response | + * |Sub-command |Response payload | + * |---------------------------- |--------------------------------------| + * |#CMD_ISO_CLIENT_QUERY_ABI |- | + * |#CMD_ISO_CLIENT_CALCULATE_LA |#cmd_iso_client_calculate_la_response | + * |#CMD_ISO_CLIENT_SET_LA |- | + * |#CMD_ISO_CLIENT_GET_MAX_BW |#cmd_iso_client_get_max_bw_response | * */ - struct mrq_iso_client_response { union { struct cmd_iso_client_calculate_la_response calculate_la_resp; @@ -2636,15 +3480,13 @@ struct mrq_iso_client_response { } BPMP_ABI_PACKED; /** @} ISO_CLIENT */ -/** @endcond (bpmp_t234 || bpmp_t238 || bpmp_th500) */ +/** @endcond */ -/** +/** @cond (!bpmp_t186) * @ingroup MRQ_Codes * @def MRQ_CPU_NDIV_LIMITS - * @brief CPU freq. limits in ndiv + * @brief Return CPU cluster NDIV limits * - * * Platforms: T194 onwards - * @cond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_ndiv_limits_request @@ -2654,10 +3496,10 @@ struct mrq_iso_client_response { */ /** - * @brief Request for ndiv limits of a cluster + * @brief Request payload for the #MRQ_CPU_NDIV_LIMITS -command */ struct mrq_cpu_ndiv_limits_request { - /** @brief Enum cluster_id */ + /** @brief Logical CPU cluster identifier */ uint32_t cluster_id; } BPMP_ABI_PACKED; @@ -2678,15 +3520,14 @@ struct mrq_cpu_ndiv_limits_response { } BPMP_ABI_PACKED; /** @} CPU */ -/** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_th500) */ +/** @endcond */ -/** + +/** @cond (bpmp_t194) * @ingroup MRQ_Codes * @def MRQ_CPU_AUTO_CC3 * @brief Query CPU cluster auto-CC3 configuration * - * * Platforms: T194 - * @cond bpmp_t194 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_cpu_auto_cc3_request @@ -2702,15 +3543,15 @@ struct mrq_cpu_ndiv_limits_response { */ /** - * @brief Request for auto-CC3 configuration of a cluster + * @brief Request payload for the #MRQ_CPU_AUTO_CC3 -command */ struct mrq_cpu_auto_cc3_request { - /** @brief Enum cluster_id (logical cluster id, known to CCPLEX s/w) */ + /** @brief Logical CPU cluster ID */ uint32_t cluster_id; } BPMP_ABI_PACKED; /** - * @brief Response to #MRQ_CPU_AUTO_CC3 + * @brief Response payload for the #MRQ_CPU_AUTO_CC3 -command */ struct mrq_cpu_auto_cc3_response { /** @@ -2724,9 +3565,9 @@ struct mrq_cpu_auto_cc3_response { } BPMP_ABI_PACKED; /** @} CC3 */ -/** @endcond bpmp_t194 */ +/** @endcond */ -/** +/** @cond (bpmp_t186 || bpmp_t194 || bpmp_t234) * @ingroup MRQ_Codes * @def MRQ_RINGBUF_CONSOLE * @brief A ring buffer debug console for BPMP @@ -2811,7 +3652,9 @@ struct cmd_ringbuf_console_query_abi_resp { */ struct cmd_ringbuf_console_read_req { /** - * @brief Number of bytes requested to be read from the BPMP TX buffer + * @brief Number of bytes requested to be read from the BPMP TX buffer. + * + * Valid range is [0, #MRQ_RINGBUF_CONSOLE_MAX_READ_LEN] */ uint8_t len; } BPMP_ABI_PACKED; @@ -2823,7 +3666,11 @@ struct cmd_ringbuf_console_read_req { struct cmd_ringbuf_console_read_resp { /** @brief The actual data read from the BPMP TX buffer */ uint8_t data[MRQ_RINGBUF_CONSOLE_MAX_READ_LEN]; - /** @brief Number of bytes in cmd_ringbuf_console_read_resp::data */ + /** + * @brief Number of bytes in cmd_ringbuf_console_read_resp::data + * + * Valid range is [0, #MRQ_RINGBUF_CONSOLE_MAX_WRITE_LEN] + */ uint8_t len; } BPMP_ABI_PACKED; @@ -2904,14 +3751,13 @@ union mrq_ringbuf_console_bpmp_to_host_response { } BPMP_ABI_PACKED; /** @} RingbufConsole */ +/** @endcond */ -/** +/** @cond (!bpmp_t186 && !(bpmp_safe && bpmp_t234)) * @ingroup MRQ_Codes * @def MRQ_STRAP * @brief Set a strap value controlled by BPMP * - * * Platforms: T194 onwards - * @cond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_strap_request @@ -2925,10 +3771,14 @@ union mrq_ringbuf_console_bpmp_to_host_response { * deasserted. * * BPMP owns registers which act as straps to various units. It - * exposes limited control of those straps via #MRQ_STRAP. + * exposes limited control of those registers via #MRQ_STRAP. * * @{ */ + +/** + * @brief Sub-command identifiers for the #MRQ_STRAP -command. + */ enum mrq_strap_cmd { /** @private */ STRAP_RESERVED = 0, @@ -2937,27 +3787,31 @@ enum mrq_strap_cmd { }; /** - * @brief Request with #MRQ_STRAP + * @brief Request payload for the #MRQ_STRAP -command. */ struct mrq_strap_request { - /** @brief @ref mrq_strap_cmd */ + /** @brief Sub-command identifier from @ref mrq_strap_cmd */ uint32_t cmd; - /** @brief Strap ID from @ref Strap_Identifiers */ + /** + * @if (bpmp_t234 || bpmp_th500 || bpmp_t264) + * @brief Strap ID from @ref bpmp_strap_ids + * @else + * @brief Strap ID (undefined) + * @endif + */ uint32_t id; - /** @brief Desired value for strap (if cmd is #STRAP_SET) */ + /** @brief Desired value for strap (if #cmd is #STRAP_SET) */ uint32_t value; } BPMP_ABI_PACKED; /** @} Strap */ -/** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_th500) */ +/** @endcond */ -/** +/** @cond (bpmp_t194 || bpmp_t234 || bpmp_th500) * @ingroup MRQ_Codes * @def MRQ_UPHY * @brief Perform a UPHY operation * - * * Platforms: T194 onwards - * @cond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_uphy_request @@ -2966,52 +3820,124 @@ struct mrq_strap_request { * @addtogroup UPHY * @{ */ -enum { + +/** + * @brief Sub-command identifiers for #MRQ_UPHY. + */ +enum mrq_uphy_cmd { + /** @brief Trigger PCIE lane margining procedure. */ CMD_UPHY_PCIE_LANE_MARGIN_CONTROL = 1, + /** @brief Return PCIE lane margining status. */ CMD_UPHY_PCIE_LANE_MARGIN_STATUS = 2, + /** @brief Initialize PCIE EP PLL controller. */ CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT = 3, + /** @brief Set state of the PCIE RP/EP controller. */ CMD_UPHY_PCIE_CONTROLLER_STATE = 4, + /** @brief Disable PCIE EP PLL controller. */ CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF = 5, + + /** + * @cond bpmp_t238 + * @brief Initialize and enable UPHY display port. + */ CMD_UPHY_DISPLAY_PORT_INIT = 6, + /** @brief Disable UPHY display port. */ CMD_UPHY_DISPLAY_PORT_OFF = 7, + /** @brief Trigger sequence to restore XUSB DYN lanes during SC7 exit. */ CMD_UPHY_XUSB_DYN_LANES_RESTORE = 8, + /** @endcond */ + + /** + * @cond bpmp_th500 + * @brief Perform UPHY Lane EOM scan. + */ + CMD_UPHY_LANE_EOM_SCAN = 9, + /** @brief Config PCIe VDM with a given BDF ID. */ + CMD_UPHY_PCIE_CONFIG_VDM = 10, + /** @endcond */ + CMD_UPHY_MAX, }; +/** + * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_LANE_MARGIN_CONTROL. + */ struct cmd_uphy_margin_control_request { - /** @brief Enable margin */ + /** + * @brief Enable margin. + * + * Valid values: + * * Value 0 disables margin, + * * Value 1 enables margin. + */ int32_t en; - /** @brief Clear the number of error and sections */ + /** + * @brief Clear the number of error and sections. + * + * Valid values: + * + * * Value 0: Skip clear, + * * Value 1: Perform clear. + */ int32_t clr; - /** @brief Set x offset (1's complement) for left/right margin type (y should be 0) */ + /** + * @brief Set x offset (1's complement) for left/right margin type (y should be 0). + * + * Valid range is [0, 127] + */ uint32_t x; - /** @brief Set y offset (1's complement) for left/right margin type (x should be 0) */ + /** + * @brief Set y offset (1's complement) for left/right margin type (x should be 0) + * + * Valid range is [0, 63] + */ uint32_t y; - /** @brief Set number of bit blocks for each margin section */ + /** + * @brief Set number of bit blocks for each margin section. + * + * Valid range is [0, 15] + */ uint32_t nblks; } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_LANE_MARGIN_STATUS. + */ struct cmd_uphy_margin_status_response { /** @brief Number of errors observed */ uint32_t status; } BPMP_ABI_PACKED; +/** + * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT. + */ struct cmd_uphy_ep_controller_pll_init_request { /** @brief EP controller number, T194 valid: 0, 4, 5; T234 valid: 5, 6, 7, 10; T238 valid: 0 */ uint8_t ep_controller; } BPMP_ABI_PACKED; +/** + * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_CONTROLLER_STATE. + */ struct cmd_uphy_pcie_controller_state_request { /** @brief PCIE controller number, T194 valid: 0-4; T234 valid: 0-10; T238 valid: 0-3 */ uint8_t pcie_controller; + /** @brief Nonzero value to enable controller, zero value to disable */ uint8_t enable; } BPMP_ABI_PACKED; +/** + * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF. + */ struct cmd_uphy_ep_controller_pll_off_request { /** @brief EP controller number, T194 valid: 0, 4, 5; T234 valid: 5, 6, 7, 10; T238 valid: 0 */ uint8_t ep_controller; } BPMP_ABI_PACKED; +/** + * @cond bpmp_t238 + * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_DISPLAY_PORT_INIT. + */ struct cmd_uphy_display_port_init_request { /** @brief DisplayPort link rate, T238 valid: 1620, 2700, 5400, 8100, 2160, 2430, 3240, 4320, 6750 */ uint16_t link_rate; @@ -3019,37 +3945,90 @@ struct cmd_uphy_display_port_init_request { uint16_t lanes_bitmap; } BPMP_ABI_PACKED; +/** + * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_XUSB_DYN_LANES_RESTORE. + */ struct cmd_uphy_xusb_dyn_lanes_restore_request { /** @brief 1: lane 0; 2: lane 1; 3: lane 0 and 1 */ uint16_t lanes_bitmap; } BPMP_ABI_PACKED; +/** @endcond */ + +/** + * @cond bpmp_th500 + * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_LANE_EOM_SCAN + */ +struct cmd_uphy_lane_eom_scan_request { + /** @brief UPHY brick number, valid: 0-5 */ + uint32_t brick; + /** @brief UPHY lane number, valid: 0-15 for UPHY0-UPHY3, 0-1 for UPHY4-UPHY5 */ + uint32_t lane; + /** @brief Perform EOM for PCIE GEN5 link: 1 for yes, 0 for no. */ + uint32_t pcie_gen5; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for #MRQ_UPHY sub-command #CMD_UPHY_LANE_EOM_SCAN + */ +struct cmd_uphy_lane_eom_scan_response { + uint32_t data; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for #MRQ_UPHY sub-command #CMD_UPHY_PCIE_CONFIG_VDM + */ +struct cmd_uphy_pcie_config_vdm_request { + uint8_t pcie_controller; + /** + * @brief Bus/Dev/Func ID to be programmed for VDM. + * + * - bits[15..8] Bus + * - bits[7..3] Dev + * - bit [2..0] Func + */ + uint16_t bdf; +} BPMP_ABI_PACKED; +/** @endcond */ /** * @ingroup UPHY - * @brief Request with #MRQ_UPHY + * @brief Request payload for the #MRQ_UPHY -command. * * Used by the sender of an #MRQ_UPHY message to control UPHY. * The uphy_request is split into several sub-commands. CMD_UPHY_PCIE_LANE_MARGIN_STATUS * requires no additional data. Others have a sub-command specific payload. Below table * shows sub-commands with their corresponding payload data. * - * |sub-command |payload | - * |------------------------------------ |----------------------------------------| - * |CMD_UPHY_PCIE_LANE_MARGIN_CONTROL |uphy_set_margin_control | - * |CMD_UPHY_PCIE_LANE_MARGIN_STATUS | | - * |CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT |cmd_uphy_ep_controller_pll_init_request | - * |CMD_UPHY_PCIE_CONTROLLER_STATE |cmd_uphy_pcie_controller_state_request | - * |CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF |cmd_uphy_ep_controller_pll_off_request | - * |CMD_UPHY_PCIE_DISPLAY_PORT_INIT |cmd_uphy_display_port_init_request | - * |CMD_UPHY_PCIE_DISPLAY_PORT_OFF | | - * |CMD_UPHY_XUSB_DYN_LANES_RESTORE |cmd_uphy_xusb_dyn_lanes_restore_request | + * |sub-command |payload | + * |--------------------------------------|-----------------------------------------| + * |#CMD_UPHY_PCIE_LANE_MARGIN_CONTROL |#cmd_uphy_margin_control_request | + * |#CMD_UPHY_PCIE_LANE_MARGIN_STATUS |- | + * |#CMD_UPHY_PCIE_EP_CONTROLLER_PLL_INIT |#cmd_uphy_ep_controller_pll_init_request | + * |#CMD_UPHY_PCIE_CONTROLLER_STATE |#cmd_uphy_pcie_controller_state_request | + * |#CMD_UPHY_PCIE_EP_CONTROLLER_PLL_OFF |#cmd_uphy_ep_controller_pll_off_request | + * + * @cond bpmp_t238 + * The following additional sub-commands are supported on T238 platforms: + * + * |sub-command |payload | + * |--------------------------------------|-----------------------------------------| + * |#CMD_UPHY_DISPLAY_PORT_INIT |#cmd_uphy_display_port_init_request | + * |#CMD_UPHY_DISPLAY_PORT_OFF |- | + * |#CMD_UPHY_XUSB_DYN_LANES_RESTORE |#cmd_uphy_xusb_dyn_lanes_restore_request | + * @endcond * + * @cond bpmp_th500 + * The following additional sub-commands are supported on TH500 platforms: + * |sub-command |payload | + * |--------------------------------------|-----------------------------------------| + * |#CMD_UPHY_LANE_EOM_SCAN |#cmd_uphy_lane_eom_scan_request | + * |#CMD_UPHY_PCIE_CONFIG_VDM |#cmd_uphy_pcie_config_vdm_request | + * @endcond */ - struct mrq_uphy_request { /** @brief Lane number. */ uint16_t lane; - /** @brief Sub-command id. */ + /** @brief Sub-command ID from @ref mrq_uphy_cmd. */ uint16_t cmd; union { @@ -3057,53 +4036,68 @@ struct mrq_uphy_request { struct cmd_uphy_ep_controller_pll_init_request ep_ctrlr_pll_init; struct cmd_uphy_pcie_controller_state_request controller_state; struct cmd_uphy_ep_controller_pll_off_request ep_ctrlr_pll_off; + /** @cond bpmp_t238 */ struct cmd_uphy_display_port_init_request display_port_init; struct cmd_uphy_xusb_dyn_lanes_restore_request xusb_dyn_lanes_restore; + /** @endcond */ + /** @cond bpmp_th500 */ + struct cmd_uphy_lane_eom_scan_request lane_eom_scan; + struct cmd_uphy_pcie_config_vdm_request pcie_vdm; + /** @endcond */ } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** * @ingroup UPHY - * @brief Response to MRQ_UPHY + * @brief Response payload for the #MRQ_UPHY -command. * * Each sub-command supported by @ref mrq_uphy_request may return * sub-command-specific data. Some do and some do not as indicated in * the following table * - * |sub-command |payload | - * |---------------------------- |------------------------| - * |CMD_UPHY_PCIE_LANE_MARGIN_CONTROL | | - * |CMD_UPHY_PCIE_LANE_MARGIN_STATUS |uphy_get_margin_status | + * |sub-command |payload | + * |-----------------------------------|---------------------------------| + * |#CMD_UPHY_PCIE_LANE_MARGIN_CONTROL |- | + * |#CMD_UPHY_PCIE_LANE_MARGIN_STATUS |#cmd_uphy_margin_status_response | * + * @cond bpmp_th500 + * The following additional sub-commands are supported on TH500 platforms: + * |sub-command |payload | + * |-----------------------------------|---------------------------------| + * |#CMD_UPHY_LANE_EOM_SCAN |#cmd_uphy_lane_eom_scan_response | + * |#CMD_UPHY_PCIE_CONFIG_VDM |- | + * @endcond */ - struct mrq_uphy_response { union { struct cmd_uphy_margin_status_response uphy_get_margin_status; + /** @cond bpmp_th500 */ + struct cmd_uphy_lane_eom_scan_response eom_status; + /** @endcond */ } BPMP_UNION_ANON; } BPMP_ABI_PACKED; /** @} UPHY */ -/** @endcond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_th500) */ +/** @endcond */ -/** +/** @cond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_t264) * @ingroup MRQ_Codes * @def MRQ_FMON - * @brief Perform a frequency monitor configuration operations + * @brief Perform a frequency monitor configuration operation * - * * Platforms: T194 onwards - * @cond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_th500) * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_fmon_request * * Response Payload: @ref mrq_fmon_response - * @endcond (bpmp_t194 || bpmp_t234 || bpmp_t238 || bpmp_th500) * * @addtogroup FMON * @{ - * @cond (bpmp_t194 || bpmp_t234) */ -enum { + +/** + * @brief Sub-command identifiers for #MRQ_FMON + */ +enum mrq_fmon_cmd { /** * @brief Clamp FMON configuration to specified rate. * @@ -3111,62 +4105,80 @@ enum { * clamped, FMON configuration is preserved when clock rate * and/or state is changed. * - * mrq_response::err is 0 if the operation was successful, or @n - * -#BPMP_EACCES: FMON access error @n - * -#BPMP_EBADCMD if subcommand is not supported @n - * -#BPMP_EBADSLT: clamp FMON on cluster with auto-CC3 enabled @n - * -#BPMP_EBUSY: fmon is already clamped at different rate @n - * -#BPMP_EFAULT: self-diagnostic error @n - * -#BPMP_EINVAL: invalid FMON configuration @n - * -#BPMP_EOPNOTSUPP: not in production mode @n - * -#BPMP_ENODEV: invalid clk_id @n - * -#BPMP_ENOENT: no calibration data, uninitialized @n - * -#BPMP_ENOTSUP: avfs config not set @n - * -#BPMP_ENOSYS: clamp FMON on cluster clock w/ no NAFLL @n - * -#BPMP_ETIMEDOUT: operation timed out @n + * mrq_response::err for this sub-command is defined to be: + * + * | Value | Description | + * |-------------------|---------------------------------------------------| + * | 0 | Operation was successful. | + * | -#BPMP_EBADCMD | Subcommand is not supported. | + * | -#BPMP_EACCES | FMON access error. | + * | -#BPMP_EBADSLT | Clamp FMON on cluster with auto-CC3 enabled. | + * | -#BPMP_EBUSY | FMON is already clamped at different rate. | + * | -#BPMP_EFAULT | Self-diagnostic error detected. | + * | -#BPMP_EINVAL | Invalid FMON configuration. | + * | -#BPMP_EOPNOTSUPP | Not in production mode. | + * | -#BPMP_ENODEV | Invalid clock ID in mrq_fmon_request::cmd_and_id. | + * | -#BPMP_ENOENT | No calibration data, uninitialized. | + * | -#BPMP_ENOTSUP | AVFS config not set. | + * | -#BPMP_ENOSYS | Clamp FMON on cluster clock w/ no NAFLL. | + * | -#BPMP_ETIMEDOUT | Operation timed out. | */ CMD_FMON_GEAR_CLAMP = 1, + /** * @brief Release clamped FMON configuration. * * Allow FMON configuration to follow monitored clock rate * and/or state changes. * - * mrq_response::err is 0 if the operation was successful, or @n - * -#BPMP_EBADCMD if subcommand is not supported @n - * -#BPMP_ENODEV: invalid clk_id @n - * -#BPMP_ENOENT: no calibration data, uninitialized @n - * -#BPMP_ENOTSUP: avfs config not set @n - * -#BPMP_EOPNOTSUPP: not in production mode @n + * mrq_response::err for this sub-command is defined to be: + * + * | Value | Description | + * |-------------------|---------------------------------------------------| + * | 0 | Operation was successful. | + * | -#BPMP_EBADCMD | Subcommand is not supported. | + * | -#BPMP_ENODEV | Invalid clock ID in mrq_fmon_request::cmd_and_id. | + * | -#BPMP_ENOENT | No calibration data, uninitialized. | + * | -#BPMP_ENOTSUP | AVFS config not set. | + * | -#BPMP_EOPNOTSUPP | Not in production mode. | */ CMD_FMON_GEAR_FREE = 2, + /** - * @brief Return rate FMON is clamped at, or 0 if FMON is not - * clamped. + * @brief Return rate FMON is clamped at, or 0 if FMON is not clamped. * - * Inherently racy, since clamp state can be changed - * concurrently. Useful for testing. + * Inherently racy, since clamp state can be changed concurrently, + * only provided and useful for testing purposes. * - * mrq_response::err is 0 if the operation was successful, or @n - * -#BPMP_EBADCMD if subcommand is not supported @n - * -#BPMP_ENODEV: invalid clk_id @n - * -#BPMP_ENOENT: no calibration data, uninitialized @n - * -#BPMP_ENOTSUP: avfs config not set @n - * -#BPMP_EOPNOTSUPP: not in production mode @n + * mrq_response::err for this sub-command is defined to be: + * + * | Value | Description | + * |-------------------|---------------------------------------------------| + * | 0 | Operation was successful. | + * | -#BPMP_EBADCMD | Subcommand is not supported. | + * | -#BPMP_ENODEV | Invalid clock ID in mrq_fmon_request::cmd_and_id. | + * | -#BPMP_ENOENT | No calibration data, uninitialized. | + * | -#BPMP_ENOTSUP | AVFS config not set. | + * | -#BPMP_EOPNOTSUPP | Not in production mode. | */ CMD_FMON_GEAR_GET = 3, + /** * @brief Return current status of FMON faults detected by FMON - * h/w or s/w since last invocation of this command. - * Clears fault status. + * HW or SW since last invocation of this sub-command. + * Clears fault status. * - * mrq_response::err is 0 if the operation was successful, or @n - * -#BPMP_EBADCMD if subcommand is not supported @n - * -#BPMP_EINVAL: invalid fault type @n - * -#BPMP_ENODEV: invalid clk_id @n - * -#BPMP_ENOENT: no calibration data, uninitialized @n - * -#BPMP_ENOTSUP: avfs config not set @n - * -#BPMP_EOPNOTSUPP: not in production mode @n + * mrq_response::err for this sub-command is defined to be: + * + * | Value | Description | + * |-------------------|---------------------------------------------------| + * | 0 | Operation was successful. | + * | -#BPMP_EBADCMD | Subcommand is not supported. | + * | -#BPMP_ENODEV | Invalid clock ID in mrq_fmon_request::cmd_and_id. | + * | -#BPMP_ENOENT | No calibration data, uninitialized. | + * | -#BPMP_ENOTSUP | AVFS config not set. | + * | -#BPMP_EOPNOTSUPP | Not in production mode. | + * | -#BPMP_EINVAL | Invalid fault type. | */ CMD_FMON_FAULT_STS_GET = 4, }; @@ -3177,25 +4189,30 @@ enum { */ #define CMD_FMON_NUM 4 -/** @endcond DEPRECATED */ +/** @endcond */ /** - * @defgroup fmon_fault_type FMON fault type + * @defgroup fmon_fault_type FMON fault types * @addtogroup fmon_fault_type * @{ */ -/** @brief All detected FMON faults (h/w or s/w) */ +/** @brief All detected FMON faults (HW or SW) */ #define FMON_FAULT_TYPE_ALL 0U -/** @brief FMON faults detected by h/w */ +/** @brief FMON faults detected by HW */ #define FMON_FAULT_TYPE_HW 1U -/** @brief FMON faults detected by s/w */ +/** @brief FMON faults detected by SW */ #define FMON_FAULT_TYPE_SW 2U /** @} fmon_fault_type */ - +/** + * @brief Request payload for #MRQ_FMON sub-command #CMD_FMON_GEAR_CLAMP. + */ struct cmd_fmon_gear_clamp_request { + /** @brief Unused / reserved */ int32_t unused; + + /** @brief Target rate in Hz. Valid range for the rate is [1, INT64_MAX] */ int64_t rate; } BPMP_ABI_PACKED; @@ -3219,40 +4236,63 @@ struct cmd_fmon_gear_get_request { BPMP_ABI_EMPTY } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_FMON sub-command #CMD_FMON_GEAR_GET. + */ struct cmd_fmon_gear_get_response { int64_t rate; } BPMP_ABI_PACKED; +/** + * @brief Request payload for #MRQ_FMON sub-command #CMD_FMON_FAULT_STS_GET + */ struct cmd_fmon_fault_sts_get_request { - uint32_t fault_type; /**< @ref fmon_fault_type */ + /** + * @brief Which fault types to return in response: + * + * | Value | Description | + * |----------------------|-----------------------------------------| + * | #FMON_FAULT_TYPE_ALL | Return all detected faults (HW and SW). | + * | #FMON_FAULT_TYPE_HW | Return only HW detected faults. | + * | #FMON_FAULT_TYPE_SW | Return only SW detected faults. | + */ + uint32_t fault_type; } BPMP_ABI_PACKED; +/** + * @brief Response payload for #MRQ_FMON sub-command #CMD_FMON_FAULT_STS_GET + */ struct cmd_fmon_fault_sts_get_response { + /** + * Bitmask of detected HW / SW specific faults, or 0 if no faults have + * been detected since last invocation of #CMD_FMON_FAULT_STS_GET. + */ uint32_t fault_sts; } BPMP_ABI_PACKED; /** * @ingroup FMON - * @brief Request with #MRQ_FMON + * @brief Request payload for the #MRQ_FMON -command. * * Used by the sender of an #MRQ_FMON message to configure clock * frequency monitors. The FMON request is split into several - * sub-commands. Some sub-commands require no additional data. - * Others have a sub-command specific payload + * sub-commands. Sub-command specific payloads are defined in + * the following table: * - * |sub-command |payload | - * |----------------------------|-----------------------| - * |CMD_FMON_GEAR_CLAMP |fmon_gear_clamp | - * |CMD_FMON_GEAR_FREE |- | - * |CMD_FMON_GEAR_GET |- | - * |CMD_FMON_FAULT_STS_GET |fmon_fault_sts_get | + * |Sub-command |Payload | + * |------------------------|--------------------------------| + * |#CMD_FMON_GEAR_CLAMP |#cmd_fmon_gear_clamp_request | + * |#CMD_FMON_GEAR_FREE |- | + * |#CMD_FMON_GEAR_GET |- | + * |#CMD_FMON_FAULT_STS_GET |#cmd_fmon_fault_sts_get_request | * */ struct mrq_fmon_request { - /** @brief Sub-command and clock id concatenated to 32-bit word. - * - bits[31..24] is the sub-cmd. - * - bits[23..0] is monitored clock id used to select target - * FMON + /** + * @brief Sub-command and clock id concatenated to 32-bit word. + * + * - bits[31..24] -> Sub-command identifier from @ref mrq_fmon_cmd. + * - bits[23..0] -> Monitored clock identifier used to select target FMON. */ uint32_t cmd_and_id; @@ -3268,20 +4308,19 @@ struct mrq_fmon_request { /** * @ingroup FMON - * @brief Response to MRQ_FMON + * @brief Response payload for the #MRQ_FMON -command. * * Each sub-command supported by @ref mrq_fmon_request may * return sub-command-specific data as indicated below. * - * |sub-command |payload | - * |----------------------------|------------------------| - * |CMD_FMON_GEAR_CLAMP |- | - * |CMD_FMON_GEAR_FREE |- | - * |CMD_FMON_GEAR_GET |fmon_gear_get | - * |CMD_FMON_FAULT_STS_GET |fmon_fault_sts_get | + * |Sub-command |Payload | + * |------------------------|---------------------------------| + * |#CMD_FMON_GEAR_CLAMP |- | + * |#CMD_FMON_GEAR_FREE |- | + * |#CMD_FMON_GEAR_GET |#cmd_fmon_gear_get_response | + * |#CMD_FMON_FAULT_STS_GET |#cmd_fmon_fault_sts_get_response | * */ - struct mrq_fmon_response { union { /** @private */ @@ -3293,17 +4332,15 @@ struct mrq_fmon_response { } BPMP_UNION_ANON; } BPMP_ABI_PACKED; -/** @endcond (bpmp_t194 || bpmp_t234) */ /** @} FMON */ +/** @endcond */ -/** +/** @cond (bpmp_t194) * @ingroup MRQ_Codes * @def MRQ_EC * @brief Provide status information on faults reported by Error * Collator (EC) to HSM. * - * * Platforms: T194 - * @cond bpmp_t194 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: @ref mrq_ec_request @@ -3311,10 +4348,8 @@ struct mrq_fmon_response { * * @note This MRQ ABI is under construction, and subject to change * - * @endcond bpmp_t194 * @addtogroup EC * @{ - * @cond bpmp_t194 */ enum { /** @@ -3325,7 +4360,7 @@ enum { * -#BPMP_ENODEV if target EC is not owned by BPMP @n * -#BPMP_EACCES if target EC power domain is turned off @n * -#BPMP_EBADCMD if subcommand is not supported - * @endcond DEPRECATED + * @endcond */ CMD_EC_STATUS_GET = 1, /* deprecated */ @@ -3572,7 +4607,7 @@ struct cmd_ec_status_get_response { /** @brief EC error descriptors */ union ec_err_desc error_descs[EC_ERR_STATUS_DESC_MAX_NUM]; } BPMP_ABI_PACKED; -/** @endcond DEPRECATED */ +/** @endcond */ struct cmd_ec_status_ex_get_response { /** @brief Target EC id (the same id received with request). */ @@ -3610,7 +4645,7 @@ struct cmd_ec_status_ex_get_response { * |sub-command |payload | * |----------------------------|-----------------------| * |@ref CMD_EC_STATUS_GET |ec_status_get | - * @endcond DEPRECATED + * @endcond * * |sub-command |payload | * |----------------------------|-----------------------| @@ -3638,7 +4673,7 @@ struct mrq_ec_request { * |sub-command |payload | * |----------------------------|------------------------| * |@ref CMD_EC_STATUS_GET |ec_status_get | - * @endcond DEPRECATED + * @endcond * * |sub-command |payload | * |----------------------------|------------------------| @@ -3652,22 +4687,20 @@ struct mrq_ec_response { * @cond DEPRECATED */ struct cmd_ec_status_get_response ec_status_get; - /** @endcond DEPRECATED */ + /** @endcond */ struct cmd_ec_status_ex_get_response ec_status_ex_get; } BPMP_UNION_ANON; } BPMP_ABI_PACKED; -/** @endcond bpmp_t194 */ /** @} EC */ +/** @endcond */ -/** +/** @cond (bpmp_th500) * @ingroup MRQ_Codes * @def MRQ_TELEMETRY * @brief Get address of memory buffer refreshed with recently sampled * telemetry data * - * * Platforms: TH500 onwards - * @cond bpmp_th500 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A @@ -3677,14 +4710,17 @@ struct mrq_ec_response { */ /** - * @brief Response to #MRQ_TELEMETRY + * @brief Response payload for the #MRQ_TELEMETRY -command * - * mrq_response::err is - * * 0: Telemetry data is available at returned address - * * -#BPMP_EACCES: MRQ master is not allowed to request buffer refresh - * * -#BPMP_ENAVAIL: Telemetry buffer cannot be refreshed via this MRQ channel - * * -#BPMP_ENOTSUP: Telemetry buffer is not supported by BPMP-FW - * * -#BPMP_ENODEV: Telemetry mrq is not supported by BPMP-FW + * mrq_response::err is defined as: + * + * | Value | Description | + * |-----------------|------------------------------------------------------------| + * | 0 | Telemetry data is available at returned address. | + * | -#BPMP_EACCES | MRQ master is not allowed to request buffer refresh. | + * | -#BPMP_ENAVAIL | Telemetry buffer cannot be refreshed via this MRQ channel. | + * | -#BPMP_ENOTSUP | Telemetry buffer is not supported by BPMP-FW. | + * | -#BPMP_ENODEV | Telemetry MRQ is not supported by BPMP-FW. | */ struct mrq_telemetry_response { /** @brief Physical address of telemetry data buffer */ @@ -3692,15 +4728,112 @@ struct mrq_telemetry_response { } BPMP_ABI_PACKED; /** @} Telemetry */ -/** @endcond bpmp_th500 */ +/** @endcond */ + +/** @cond (bpmp_tb500) + * @ingroup MRQ_Codes + * @def MRQ_TELEMETRY_EX + * @brief Get telemetry configuration settings. + * + * * Initiators: Any + * * Targets: BPMP + * * Request Payload: @ref mrq_telemetry_ex_request + * * Response Payload: @ref mrq_telemetry_ex_response + * + * @addtogroup Telemetry_ex + * @{ + */ + +/** + * @brief Sub-command identifiers for #MRQ_TELEMETRY_EX. + */ +enum mrq_telemetry_ex_cmd { + /** + * @brief Check whether the BPMP-FW supports the specified + * #MRQ_TELEMETRY_EX sub-command. + * + * mrq_response::err is 0 if the specified request is + * supported and -#BPMP_ENODEV otherwise. + */ + CMD_TELEMETRY_EX_QUERY_ABI = 0, + + /** + * @brief Get telemetry buffer base address and data size + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|------------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_TELEMETRY_EX is not supported by BPMP-FW. | + */ + CMD_TELEMETRY_EX_BASE_SZ_GET = 1, +}; /** + * @brief Request data for #MRQ_TELEMETRY_EX sub-command + * #CMD_TELEMETRY_EX_QUERY_ABI + */ +struct cmd_telemetry_ex_query_abi_request { + /** @brief Sub-command identifier from @ref mrq_telemetry_ex_cmd */ + uint32_t cmd_code; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for #MRQ_TELEMETRY_EX sub-command + * #CMD_TELEMETRY_EX_BASE_SZ_GET + */ +struct cmd_telemetry_ex_base_sz_get_response { + /** + * @brief Physical address of telemetry data buffer + * + * 0 if no buffer is allocated for the initiator sending MRQ. + */ + uint64_t buf_base_addr; + /** @brief Telemetry data size in bytes */ + uint32_t buf_size; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for the #MRQ_TELEMETRY_EX -command + * + * | Sub-command | Request payload | + * |-------------------------------|----------------------------------------| + * | #CMD_TELEMETRY_EX_QUERY_ABI | #cmd_telemetry_ex_query_abi_request | + * | #CMD_TELEMETRY_EX_BASE_SZ_GET | - | + */ +struct mrq_telemetry_ex_request { + /** @brief Sub-command ID from @ref mrq_telemetry_ex_cmd. */ + uint32_t cmd; + union { + struct cmd_telemetry_ex_query_abi_request + telemetry_ex_query_abi_req; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for the #MRQ_TELEMETRY_EX -command. + * + * | Sub-command | Response payload | + * |-------------------------------|----------------------------------------| + * | #CMD_TELEMETRY_EX_QUERY_ABI | - | + * | #CMD_TELEMETRY_EX_BASE_SZ_GET | #cmd_telemetry_ex_base_sz_get_response | + */ +struct mrq_telemetry_ex_response { + union { + struct cmd_telemetry_ex_base_sz_get_response + telemetry_ex_base_sz_get_rsp; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} Telemetry_ex */ +/** @endcond */ + +/** @cond (bpmp_th500 || bpmp_tb500) * @ingroup MRQ_Codes * @def MRQ_PWR_LIMIT * @brief Control power limits. * - * * Platforms: TH500 onwards - * @cond bpmp_th500 * * Initiators: Any * * Targets: BPMP * * Request Payload: @ref mrq_pwr_limit_request @@ -3709,10 +4842,14 @@ struct mrq_telemetry_response { * @addtogroup Pwrlimit * @{ */ + +/** + * @brief Sub-command identifiers for #MRQ_PWR_LIMIT. + */ enum mrq_pwr_limit_cmd { /** * @brief Check whether the BPMP-FW supports the specified - * command + * #MRQ_PWR_LIMIT sub-command. * * mrq_response::err is 0 if the specified request is * supported and -#BPMP_ENODEV otherwise. @@ -3722,31 +4859,43 @@ enum mrq_pwr_limit_cmd { /** * @brief Set power limit * - * mrq_response:err is - * * 0: Success - * * -#BPMP_ENODEV: Pwr limit mrq is not supported by BPMP-FW - * * -#BPMP_ENAVAIL: Invalid request parameters - * * -#BPMP_EACCES: Request is not accepted + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|---------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_PWR_LIMIT is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_EACCES | Request is not accepted. | */ CMD_PWR_LIMIT_SET = 1, /** * @brief Get power limit setting * - * mrq_response:err is - * * 0: Success - * * -#BPMP_ENODEV: Pwr limit mrq is not supported by BPMP-FW - * * -#BPMP_ENAVAIL: Invalid request parameters + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|---------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_PWR_LIMIT is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_PWR_LIMIT_GET = 2, /** - * @brief Get current power cap + * @brief Get current aggregated power cap * - * mrq_response:err is - * * 0: Success - * * -#BPMP_ENODEV: Pwr limit mrq is not supported by BPMP-FW - * * -#BPMP_ENAVAIL: Invalid request parameters + * Get currently applied power cap for the specified limit id + * aggregated across all limit sources and types. + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|---------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_PWR_LIMIT is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | */ CMD_PWR_LIMIT_CURR_CAP = 3, }; @@ -3761,7 +4910,7 @@ enum mrq_pwr_limit_cmd { #define PWR_LIMIT_TYPE_BOUND_MAX 1U /** @brief Limit value specifies minimum possible target cap */ #define PWR_LIMIT_TYPE_BOUND_MIN 2U -/** @brief Number of limit types supported by mrq interface */ +/** @brief Number of limit types supported by #MRQ_PWR_LIMIT command */ #define PWR_LIMIT_TYPE_NUM 3U /** @} bpmp_pwr_limit_type */ @@ -3770,7 +4919,8 @@ enum mrq_pwr_limit_cmd { * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_QUERY_ABI */ struct cmd_pwr_limit_query_abi_request { - uint32_t cmd_code; /**< @ref mrq_pwr_limit_cmd */ + /** @brief Sub-command identifier from @ref mrq_pwr_limit_cmd */ + uint32_t cmd_code; } BPMP_ABI_PACKED; /** @@ -3782,56 +4932,66 @@ struct cmd_pwr_limit_query_abi_request { * is ignored by the arbitration (i.e., indicates "no limit set"). */ struct cmd_pwr_limit_set_request { - uint32_t limit_id; /**< @ref bpmp_pwr_limit_id */ + /** @brief Power limit identifier from @ref bpmp_pwr_limit_id */ + uint32_t limit_id; + /** @brief Power limit source identifier from @ref bpmp_pwr_limit_src */ uint32_t limit_src; /**< @ref bpmp_pwr_limit_src */ - uint32_t limit_type; /**< @ref bpmp_pwr_limit_type */ + /** @brief Power limit type from @ref bpmp_pwr_limit_type */ + uint32_t limit_type; + /** @brief New power limit value */ uint32_t limit_setting; } BPMP_ABI_PACKED; /** - * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_GET + * @brief Request payload for #MRQ_PWR_LIMIT sub-command #CMD_PWR_LIMIT_GET * * Get previously set from specified source specified limit value of specified * type. */ struct cmd_pwr_limit_get_request { - uint32_t limit_id; /**< @ref bpmp_pwr_limit_id */ + /** @brief Power limit identifier from @ref bpmp_pwr_limit_id */ + uint32_t limit_id; + /** @brief Power limit source identifier from @ref bpmp_pwr_limit_src */ uint32_t limit_src; /**< @ref bpmp_pwr_limit_src */ - uint32_t limit_type; /**< @ref bpmp_pwr_limit_type */ + /** @brief Power limit type from @ref bpmp_pwr_limit_type */ + uint32_t limit_type; } BPMP_ABI_PACKED; /** - * @brief Response data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_GET + * @brief Response payload for #MRQ_PWR_LIMIT sub-command #CMD_PWR_LIMIT_GET */ struct cmd_pwr_limit_get_response { + /** @brief Power limit value */ uint32_t limit_setting; } BPMP_ABI_PACKED; /** - * @brief Request data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_CURR_CAP + * @brief Request payload for #MRQ_PWR_LIMIT sub-command #CMD_PWR_LIMIT_CURR_CAP * * For specified limit get current power cap aggregated from all sources. */ struct cmd_pwr_limit_curr_cap_request { - uint32_t limit_id; /**< @ref bpmp_pwr_limit_id */ + /** @brief Power limit identifier from @ref bpmp_pwr_limit_id */ + uint32_t limit_id; } BPMP_ABI_PACKED; /** - * @brief Response data for #MRQ_PWR_LIMIT command CMD_PWR_LIMIT_CURR_CAP + * @brief Response payload for #MRQ_PWR_LIMIT sub-command #CMD_PWR_LIMIT_CURR_CAP */ struct cmd_pwr_limit_curr_cap_response { + /** @brief Current power cap value */ uint32_t curr_cap; } BPMP_ABI_PACKED; /** - * @brief Request with #MRQ_PWR_LIMIT + * @brief Request payload for the #MRQ_PWR_LIMIT -command * - * |sub-command |payload | - * |----------------------------|---------------------------------| - * |CMD_PWR_LIMIT_QUERY_ABI | cmd_pwr_limit_query_abi_request | - * |CMD_PWR_LIMIT_SET | cmd_pwr_limit_set_request | - * |CMD_PWR_LIMIT_GET | cmd_pwr_limit_get_request | - * |CMD_PWR_LIMIT_CURR_CAP | cmd_pwr_limit_curr_cap_request | + * | Sub-command | Request payload | + * |--------------------------|----------------------------------| + * | #CMD_PWR_LIMIT_QUERY_ABI | #cmd_pwr_limit_query_abi_request | + * | #CMD_PWR_LIMIT_SET | #cmd_pwr_limit_set_request | + * | #CMD_PWR_LIMIT_GET | #cmd_pwr_limit_get_request | + * | #CMD_PWR_LIMIT_CURR_CAP | #cmd_pwr_limit_curr_cap_request | */ struct mrq_pwr_limit_request { uint32_t cmd; @@ -3844,14 +5004,14 @@ struct mrq_pwr_limit_request { } BPMP_ABI_PACKED; /** - * @brief Response to MRQ_PWR_LIMIT + * @brief Response payload for the #MRQ_PWR_LIMIT -command. * - * |sub-command |payload | - * |----------------------------|---------------------------------| - * |CMD_PWR_LIMIT_QUERY_ABI | - | - * |CMD_PWR_LIMIT_SET | - | - * |CMD_PWR_LIMIT_GET | cmd_pwr_limit_get_response | - * |CMD_PWR_LIMIT_CURR_CAP | cmd_pwr_limit_curr_cap_response | + * | Sub-command | Response payload | + * |--------------------------|----------------------------------| + * | #CMD_PWR_LIMIT_QUERY_ABI | - | + * | #CMD_PWR_LIMIT_SET | - | + * | #CMD_PWR_LIMIT_GET | #cmd_pwr_limit_get_response | + * | #CMD_PWR_LIMIT_CURR_CAP | #cmd_pwr_limit_curr_cap_response | */ struct mrq_pwr_limit_response { union { @@ -3860,17 +5020,395 @@ struct mrq_pwr_limit_response { } BPMP_UNION_ANON; } BPMP_ABI_PACKED; -/** @} PwrLimit */ -/** @endcond bpmp_th500 */ +/** @} Pwrlimit */ +/** @endcond */ + +/** @cond (bpmp_th500) + * @ingroup MRQ_Codes + * @def MRQ_PWRMODEL + * @brief Retrieve power evaluted by SoC power model. + * + * * Initiators: Any + * * Targets: BPMP + * * Request Payload: @ref mrq_pwrmodel_request + * * Response Payload: @ref mrq_pwrmodel_response + * + * @addtogroup Pwrmodel + * @{ + */ + +/** + * @brief Sub-command identifiers for #MRQ_PWRMODEL. + */ +enum mrq_pwrmodel_cmd { + /** + * @brief Check whether the BPMP-FW supports the specified + * #MRQ_PWRMODEL sub-command. + * + * mrq_response::err is 0 if the specified request is + * supported and -#BPMP_ENODEV otherwise. + */ + CMD_PWRMODEL_QUERY_ABI = 0, + + /** + * @brief Get power model output power + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|---------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_PWRMODEL is not supported by BPMP-FW. | + * | -#BPMP_ERANGE | Power model calculation overflow. | + */ + CMD_PWRMODEL_PWR_GET = 1, +}; + +/** + * @brief Request data for #MRQ_PWRMODEL sub-command #CMD_PWRMODEL_QUERY_ABI + */ +struct cmd_pwrmodel_query_abi_request { + /** @brief Sub-command identifier from @ref mrq_pwrmodel_cmd */ + uint32_t cmd_code; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for #MRQ_PWRMODEL sub-command #CMD_PWRMODEL_PWR_GET + * + * Rerieve power evaluated by power model for specified work-load factor, + * temperature, and cpu iso frequency for all cores. + */ +struct cmd_pwrmodel_pwr_get_request { + /** @brief Unitless work load factor to evaluate power model at */ + uint32_t work_load_factor; + /** @brief CPU frequency in kHz to evaluate power model at */ + uint32_t cpu_frequency; + /** @brief Temperature in mC to evaluate power model at */ + int32_t temperature; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for #MRQ_PWRMODEL sub-command #CMD_PWRMODEL_PWR_GET + */ +struct cmd_pwrmodel_pwr_get_response { + /** @brief Power model output in mW */ + uint32_t power; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for the #MRQ_PWRMODEL -command + * + * | Sub-command | Request payload | + * |--------------------------|----------------------------------| + * | #CMD_PWRMODEL_QUERY_ABI | #cmd_pwrmodel_query_abi_request | + * | #CMD_PWRMODEL_PWR_GET | #cmd_pwrmodel_pwr_get_request | + */ +struct mrq_pwrmodel_request { + uint32_t cmd; + union { + struct cmd_pwrmodel_query_abi_request pwrmodel_query_abi_req; + struct cmd_pwrmodel_pwr_get_request pwrmodel_pwr_get_req; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + /** + * @brief Response payload for the #MRQ_PWRMODEL -command. + * + * | Sub-command | Response payload | + * |--------------------------|----------------------------------| + * | #CMD_PWRMODEL_QUERY_ABI | - | + * | #CMD_PWRMODEL_PWR_GET | #cmd_pwrmodel_pwr_get_response | + */ +struct mrq_pwrmodel_response { + union { + struct cmd_pwrmodel_pwr_get_response pwrmodel_pwr_get_rsp; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} Pwrmodel */ +/** @endcond */ + + +/** @cond (bpmp_th500) + * @ingroup MRQ_Codes + * @def MRQ_PWR_CNTRL + * @brief Configure power controllers. + * + * * Initiators: Any + * * Targets: BPMP + * * Request Payload: @ref mrq_pwr_cntrl_request + * * Response Payload: @ref mrq_pwr_cntrl_response + * + * @addtogroup Pwrcntrl + * @{ + */ + +/** + * @brief Sub-command identifiers for #MRQ_PWR_CNTRL. + */ +enum mrq_pwr_cntrl_cmd { + /** + * @brief Check whether the BPMP-FW supports the specified + * #MRQ_PWR_CNTRL sub-command. + * + * mrq_response::err is 0 if the specified request is + * supported and -#BPMP_ENODEV otherwise. + */ + CMD_PWR_CNTRL_QUERY_ABI = 0, + + /** + * @brief Switch power controller to/out of bypass mode + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|---------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_PWR_CNTRL is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_ENOTSUP | Bypass mode is not supported. | + */ + CMD_PWR_CNTRL_BYPASS_SET = 1, + + /** + * @brief Get power controller bypass mode status + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|---------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_PWR_CNTRL is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_PWR_CNTRL_BYPASS_GET = 2, +}; + +/** + * @brief Request data for #MRQ_PWR_CNTRL sub-command #CMD_PWR_CNTRL_QUERY_ABI + */ +struct cmd_pwr_cntrl_query_abi_request { + /** @brief Sub-command identifier from @ref mrq_pwr_cntrl_cmd */ + uint32_t cmd_code; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_PWR_CNTRL sub-command #CMD_PWR_CNTRL_BYPASS_SET + * + * Switch specified power controller to / out of bypass mode provided such + * mode is supported by the controller. + */ +struct cmd_pwr_cntrl_bypass_set_request { + /** @brief Power controller identifier from @ref bpmp_pwr_cntrl_id */ + uint32_t cntrl_id; + /** + * @brief Bypass setting. + * + * Valid values: + * + * * 1 to enter bypass mode, + * * 0 to exit bypass mode. + */ + uint32_t bypass_setting; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_PWR_CNTRL sub-command #CMD_PWR_CNTRL_BYPASS_GET + * + * Get bypass mode status of the specified power controller. + */ +struct cmd_pwr_cntrl_bypass_get_request { + /** @brief Power controller identifier from @ref bpmp_pwr_cntrl_id */ + uint32_t cntrl_id; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_PWR_CNTRL sub-command #CMD_PWR_CNTRL_BYPASS_GET + * + * Get current bypass mode status if such mode is supported by the controller. + * Otherwise, return "out of bypass" . + */ +struct cmd_pwr_cntrl_bypass_get_response { + /** + * @brief Bypass mode status: 1 controller is in bypass, + * 0 controller is out of bypass. + */ + uint32_t bypass_status; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for the #MRQ_PWR_CNTRL -command + * + * | Sub-command | Request payload | + * |---------------------------|-----------------------------------| + * | #CMD_PWR_CNTRL_QUERY_ABI | #cmd_pwr_cntrl_query_abi_request | + * | #CMD_PWR_CNTRL_BYPASS_SET | #cmd_pwr_cntrl_bypass_set_request | + * | #CMD_PWR_CNTRL_BYPASS_GET | #cmd_pwr_cntrl_bypass_get_request | + */ +struct mrq_pwr_cntrl_request { + uint32_t cmd; + union { + struct cmd_pwr_cntrl_query_abi_request pwr_cntrl_query_abi_req; + struct cmd_pwr_cntrl_bypass_set_request pwr_cntrl_bypass_set_req; + struct cmd_pwr_cntrl_bypass_get_request pwr_cntrl_bypass_get_req; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for the #MRQ_PWR_CNTRL -command. + * + * | Sub-command | Response payload | + * |---------------------------|-----------------------------------| + * | #CMD_PWR_CNTRL_QUERY_ABI | - | + * | #CMD_PWR_CNTRL_BYPASS_SET | - | + * | #CMD_PWR_CNTRL_BYPASS_GET | #cmd_pwr_cntrl_bypass_get_response| + */ +struct mrq_pwr_cntrl_response { + union { + struct cmd_pwr_cntrl_bypass_get_response pwr_cntrl_bypass_get_rsp; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} Pwrcntrl */ +/** @endcond */ + + +/** @cond (bpmp_t264) + * @ingroup MRQ_Codes + * @def MRQ_SLC + * @brief Configure SLC state. + * + * * Initiators: Any + * * Targets: BPMP + * * Request Payload: @ref mrq_slc_request + * * Response Payload: @ref mrq_slc_response + * + * @addtogroup Slc + * @{ + */ + +/** + * @brief Sub-command identifiers for #MRQ_SLC. + */ +enum mrq_slc_cmd { + /** + * @brief Check whether the BPMP-FW supports the specified + * #MRQ_SLC sub-command. + * + * mrq_response::err is 0 if the specified request is + * supported and -#BPMP_ENODEV otherwise. + */ + CMD_SLC_QUERY_ABI = 0, + + /** + * @brief Switch SLC to/out of bypass mode + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|---------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_SLC is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_ENOTSUP | Bypass mode is not supported. | + */ + CMD_SLC_BYPASS_SET = 1, + + /** + * @brief Get SLC bypass mode status + * + * mrq_response:err is defined as: + * + * | Value | Description | + * |----------------|---------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_SLC is not supported by BPMP-FW. | + */ + CMD_SLC_BYPASS_GET = 2, +}; + +/** + * @brief Request data for #MRQ_SLC sub-command #CMD_SLC_QUERY_ABI + */ +struct cmd_slc_query_abi_request { + /** @brief Sub-command identifier from @ref mrq_slc_cmd */ + uint32_t cmd_code; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_SLC sub-command #CMD_SLC_BYPASS_SET + * + * Switch SLC to / out of bypass mode provided such + * mode is supported by the SLC. + */ +struct cmd_slc_bypass_set_request { + /** + * @brief Bypass setting. + * + * Valid values: + * + * * 1 to enter bypass mode, + * * 0 to exit bypass mode. + */ + uint32_t bypass_setting; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_SLC sub-command #CMD_SLC_BYPASS_GET + * + * Get current bypass mode status if such mode is supported by the SLC. + * Otherwise, return "out of bypass" . + */ +struct cmd_slc_bypass_get_response { + /** + * @brief Bypass mode status: 1 SLC is in bypass, + * 0 SLC is out of bypass. + */ + uint32_t bypass_status; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for the #MRQ_SLC -command + * + * | Sub-command | Request payload | + * |---------------------------|-----------------------------------| + * | #CMD_SLC_QUERY_ABI | #cmd_slc_query_abi_request | + * | #CMD_SLC_BYPASS_SET | #cmd_slc_bypass_set_request | + * | #CMD_SLC_BYPASS_GET | - | + */ +struct mrq_slc_request { + uint32_t cmd; + union { + struct cmd_slc_query_abi_request slc_query_abi_req; + struct cmd_slc_bypass_set_request slc_bypass_set_req; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for the #MRQ_SLC -command. + * + * | Sub-command | Response payload | + * |---------------------------|-----------------------------------| + * | #CMD_SLC_QUERY_ABI | - | + * | #CMD_SLC_BYPASS_SET | - | + * | #CMD_SLC_BYPASS_GET | #cmd_slc_bypass_get_response | + */ +struct mrq_slc_response { + union { + struct cmd_slc_bypass_get_response slc_bypass_get_rsp; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} Slc */ +/** @endcond */ + +/** @cond (bpmp_th500) * @ingroup MRQ_Codes * @def MRQ_GEARS * @brief Get thresholds for NDIV offset switching * - * * Platforms: TH500 onwards - * @cond bpmp_th500 * * Initiators: CCPLEX * * Targets: BPMP * * Request Payload: N/A @@ -3905,11 +5443,1248 @@ struct mrq_pwr_limit_response { */ struct mrq_gears_response { /** @brief number of online CPUs for each gear */ - uint32_t ncpu[16]; + uint32_t ncpu[8]; + /** @brief ndiv offset for each gear */ + uint32_t ndiv_offset[8]; + /** @brief voltage below which gears are disabled */ + uint32_t uv_threshold; } BPMP_ABI_PACKED; /** @} Gears */ -/** @endcond bpmp_th500 */ +/** @endcond */ + + +/** + * @ingroup MRQ_Codes + * @def MRQ_SHUTDOWN + * @brief System shutdown + * + * This message indicates system shutdown or reboot request. BPMP will + * initiate system shutdown/reboot after receiving this message, it + * may include turning off some rails in sequence and programming + * PMIC. + * + * * Initiators: CPU_S, MCE + * * Targets: BPMP + * * Request Payload: @ref mrq_shutdown_request + * * Response Payload: N/A + * @addtogroup Shutdown + * @{ + */ + +/** + * @brief Request with #MRQ_SHUTDOWN + */ +struct mrq_shutdown_request { + /** + * @brief Shutdown state ID + * + * Legal values: + * * 0 - Power off + * * 1 - Reboot + * @cond bpmp_t264 + * * 2 - Suspend + * @endcond + */ + uint32_t state; +} BPMP_ABI_PACKED; + +/** @} Shutdown */ + +/** @cond (bpmp_th500 || bpmp_tb500) + * @defgroup bpmp_c2c_status C2C link status + * @addtogroup bpmp_c2c_status + * @{ + */ +/** @brief initial status code */ +#define BPMP_C2C_STATUS_INIT_NOT_STARTED 0 +/** @brief Invalid speedo code */ +#define BPMP_C2C_STATUS_C2C_INVALID_SPEEDO_CODE 7 +/** @brief Invalid frequency */ +#define BPMP_C2C_STATUS_C2C_INVALID_FREQ 8 +/** @brief Invalid link */ +#define BPMP_C2C_STATUS_C2C_INVALID_LINK 9 +/** @brief refpll lock polling times out - partition 0 */ +#define BPMP_C2C_STATUS_C2C0_REFPLL_FAIL 10 +/** @brief refpll lock polling times out - partition 1 */ +#define BPMP_C2C_STATUS_C2C1_REFPLL_FAIL 11 +/** @brief PLL cal times out - partition 0 */ +#define BPMP_C2C_STATUS_C2C0_PLLCAL_FAIL 12 +/** @brief PLL cal times out - partition 1 */ +#define BPMP_C2C_STATUS_C2C1_PLLCAL_FAIL 13 +/** @brief clock detection times out - partition 0 */ +#define BPMP_C2C_STATUS_C2C0_CLKDET_FAIL 14 +/** @brief clock detection times out - partition 1 */ +#define BPMP_C2C_STATUS_C2C1_CLKDET_FAIL 15 +/** @brief Final trainings fail partition 0 */ +#define BPMP_C2C_STATUS_C2C0_TR_FAIL 16 +/** @brief Final trainings fail partition 1 */ +#define BPMP_C2C_STATUS_C2C1_TR_FAIL 17 +/** @brief C2C FW init done */ +#define NV_GFW_GLOBAL_DEVINIT_C2C_STATUS_C2C_FW_INIT_DONE 20 +/** @brief C2C FW init failed partition 0 */ +#define NV_GFW_GLOBAL_DEVINIT_C2C_STATUS_C2C0_FW_INIT_FAIL 21 +/** @brief C2C FW init failed partition 1 */ +#define NV_GFW_GLOBAL_DEVINIT_C2C_STATUS_C2C1_FW_INIT_FAIL 22 +/** @brief no failure seen, c2c init was successful */ +#define BPMP_C2C_STATUS_C2C_LINK_TRAIN_PASS 255 +/** @} bpmp_c2c_status */ + +/** + * @ingroup MRQ_Codes + * @def MRQ_C2C + * @brief Control C2C partitions initialization. + * + * * Initiators: Any + * * Targets: BPMP + * * Request Payload: @ref mrq_c2c_request + * * Response Payload: @ref mrq_c2c_response + * + * @addtogroup C2C + * @{ + */ +enum mrq_c2c_cmd { + /** + * @brief Check whether the BPMP driver supports the specified request + * type + * + * mrq_response:: err is 0 if the specified request is supported and + * -#BPMP_ENODEV otherwise + */ + CMD_C2C_QUERY_ABI = 0, + + /** + * @brief Start C2C initialization + * + * mrq_response:err is + * * 0: Success + * * -#BPMP_ENODEV: MRQ_C2C is not supported by BPMP-FW + * * -#BPMP_ENAVAIL: Invalid request parameters + * * -#BPMP_EACCES: Request is not accepted + */ + CMD_C2C_START_INITIALIZATION = 1, + + /** + * @brief Command to query current C2C training status + * + * This command will return the result of the latest C2C re-training that is initiated with + * MRQ_C2C.CMD_C2C_START_INITIALIZATION or MRQ_C2C.CMD_C2C_START_HOTRESET calls. + * If no training has been initiated yet, the command will return code BPMP_C2C_STATUS_INIT_NOT_STARTED. + * + * mrq_response:err is + * * 0: Success + * * -#BPMP_ENODEV: MRQ_C2C is not supported by BPMP-FW + * * -#BPMP_EACCES: Request is not accepted + */ + CMD_C2C_GET_STATUS = 2, + /** + * @brief C2C hot-reset precondition + * + * mrq_response:err is + * * 0: Success + * * -#BPMP_ENODEV: MRQ_C2C is not supported by BPMP-FW + * * -#BPMP_ENAVAIL: Invalid request parameters + * * -#BPMP_EACCES: Request is not accepted + */ + CMD_C2C_HOTRESET_PREP = 3, + /** + * @brief Start C2C hot-reset + * + * mrq_response:err is + * * 0: Success + * * -#BPMP_ENODEV: MRQ_C2C is not supported by BPMP-FW + * * -#BPMP_ENAVAIL: Invalid request parameters + * * -#BPMP_EACCES: Request is not accepted + */ + CMD_C2C_START_HOTRESET = 4, + + CMD_C2C_MAX +}; + +/** + * @brief Request data for #MRQ_C2C command CMD_C2C_QUERY_ABI + */ +struct cmd_c2c_query_abi_request { + /** @brief Command identifier to be queried */ + uint32_t cmd; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_C2C command CMD_C2C_START_INITIALIZATION + */ +struct cmd_c2c_start_init_request { + /** @brief 1: partition 0; 2: partition 1; 3: partition 0 and 1; */ + uint8_t partitions; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_C2C command CMD_C2C_START_INITIALIZATION + */ +struct cmd_c2c_start_init_response { + /** @brief Refer to @ref bpmp_c2c_status */ + uint8_t status; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_C2C command CMD_C2C_GET_STATUS + */ +struct cmd_c2c_get_status_response { + /** @brief Refer to @ref bpmp_c2c_status */ + uint8_t status; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_C2C command CMD_C2C_HOTRESET_PREP + */ +struct cmd_c2c_hotreset_prep_request { + /** @brief 1: partition 0; 2: partition 1; 3: partition 0 and 1; */ + uint8_t partitions; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_C2C command CMD_C2C_START_HOTRESET + */ +struct cmd_c2c_start_hotreset_request { + /** @brief 1: partition 0; 2: partition 1; 3: partition 0 and 1; */ + uint8_t partitions; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_C2C command CMD_C2C_START_HOTRESET + */ +struct cmd_c2c_start_hotreset_response { + /** @brief Refer to @ref bpmp_c2c_status */ + uint8_t status; +} BPMP_ABI_PACKED; + +/** + * @brief Request with #MRQ_C2C + * + * |sub-command |payload | + * |-----------------------------|-------------------------------| + * |CMD_C2C_QUERY_ABI |cmd_c2c_query_abi_request | + * |CMD_C2C_START_INITIALIZATION |cmd_c2c_start_init_request | + * |CMD_C2C_GET_STATUS | | + * |CMD_C2C_HOTRESET_PREP |cmd_c2c_hotreset_prep_request | + * |CMD_C2C_START_HOTRESET |cmd_c2c_start_hotreset_request | + + */ +struct mrq_c2c_request { + uint32_t cmd; + union { + struct cmd_c2c_query_abi_request c2c_query_abi_req; + struct cmd_c2c_start_init_request c2c_start_init_req; + struct cmd_c2c_hotreset_prep_request c2c_hotreset_prep_req; + struct cmd_c2c_start_hotreset_request c2c_start_hotreset_req; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** + * @brief Response to MRQ_C2C + * + * |sub-command |payload | + * |-----------------------------|--------------------------------| + * |CMD_C2C_QUERY_ABI | | + * |CMD_C2C_START_INITIALIZATION |cmd_c2c_start_init_response | + * |CMD_C2C_GET_STATUS |cmd_c2c_get_status_response | + * |CMD_C2C_HOTRESET_PREP | | + * |CMD_C2C_START_HOTRESET |cmd_c2c_start_hotreset_response | + */ +struct mrq_c2c_response { + union { + struct cmd_c2c_start_init_response c2c_start_init_resp; + struct cmd_c2c_get_status_response c2c_get_status_resp; + struct cmd_c2c_start_hotreset_response c2c_start_hotreset_resp; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; +/** @} */ +/** @endcond */ + + +/** @cond (bpmp_t264) + * @ingroup MRQ_Codes + * @def MRQ_PCIE + * @brief Perform a PCIE operation + * + * * Initiators: CCPLEX + * * Targets: BPMP + * * Request Payload: @ref mrq_pcie_request + * + * @addtogroup PCIE + * @{ + */ + +/** + * @brief Sub-command identifiers for #MRQ_PCIE. + */ +enum mrq_pcie_cmd { + /** @brief Initialize PCIE EP controller. */ + CMD_PCIE_EP_CONTROLLER_INIT = 0, + /** @brief Disable PCIE EP controller. */ + CMD_PCIE_EP_CONTROLLER_OFF = 1, + + /** @brief Disable PCIE RP controller. */ + CMD_PCIE_RP_CONTROLLER_OFF = 100, + + CMD_PCIE_MAX, +}; + +/** + * @brief Request payload for #MRQ_PCIE sub-command #CMD_PCIE_EP_CONTROLLER_INIT. + */ +struct cmd_pcie_ep_controller_init_request { + /** + * @brief PCIe EP controller number. + * Valid entries for T264 are 2, 4 and 5. + */ + uint8_t ep_controller; + /** + * @brief PCIe EP function programming interface code. + * Valid range in HW is [0, 0xFFU], BPMP-FW programs the input value without any check. + * It is up to the requester to send valid input as documented in "PCI CODE AND ID + * ASSIGNMENT SPECIFICATION". + */ + uint8_t progif_code; + /** + * @brief PCIe EP function sub-class code. + * Valid range in HW is [0, 0xFFU], BPMP-FW programs the input value without any check. + * It is up to the requester to send valid input as documented in "PCI CODE AND ID + * ASSIGNMENT SPECIFICATION". + */ + uint8_t subclass_code; + /** + * @brief PCIe EP function base class code. + * Valid range in HW is [0, 0xFFU], BPMP-FW programs the input value without any check. + * It is up to the requester to send valid input as documented in "PCI CODE AND ID + * ASSIGNMENT SPECIFICATION". + */ + uint8_t baseclass_code; + /** + * @brief PCIe EP function device id. + * Valid range is [0, 0x7FU], only LSB 7 bits are writable in 16-bit PCI device id. + * Valid range check is done on input value and returns -BPMP_EINVAL on failure. + */ + uint8_t deviceid; + /** + * @brief PCIe EP EP BAR1 size. + * Valid range is [6U, 16U], which translate to [64MB, 64GB] size. + * Valid range check is done on input value and returns -BPMP_EINVAL on failure. + */ + uint8_t bar1_size; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for #MRQ_PCIE sub-command #CMD_PCIE_EP_CONTROLLER_OFF. + */ +struct cmd_pcie_ep_controller_off_request { + /** @brief EP controller number, T264 valid: 2, 4, 5. */ + uint8_t ep_controller; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for #MRQ_PCIE sub-command #CMD_PCIE_RP_CONTROLLER_OFF. + */ +struct cmd_pcie_rp_controller_off_request { + /** @brief RP controller number, T264 valid: 1-5 */ + uint8_t rp_controller; +} BPMP_ABI_PACKED; + +/** + * @ingroup PCIE + * @brief Request payload for the #MRQ_PCIE command. + * + * Used by the sender of an #MRQ_PCIE message to control PCIE. + * Below table shows sub-commands with their corresponding payload data. + * + * |sub-command |payload | + * |--------------------------------------|-----------------------------------------| + * |#CMD_PCIE_EP_CONTROLLER_INIT |#cmd_pcie_ep_controller_init_request | + * |#CMD_PCIE_EP_CONTROLLER_OFF |#cmd_pcie_ep_controller_off_request | + * + * @cond (!bpmp_safe) + * + * The following additional MRQs are supported on non-functional-safety + * builds: + * |sub-command |payload | + * |--------------------------------------|-----------------------------------------| + * |#CMD_PCIE_RP_CONTROLLER_OFF |#cmd_pcie_rp_controller_off_request | + * + * @endcond + * + */ +struct mrq_pcie_request { + /** @brief Sub-command ID from @ref mrq_pcie_cmd. */ + uint32_t cmd; + + union { + struct cmd_pcie_ep_controller_init_request ep_ctrlr_init; + struct cmd_pcie_ep_controller_off_request ep_ctrlr_off; + /** @cond (!bpmp_safe) */ + struct cmd_pcie_rp_controller_off_request rp_ctrlr_off; + /** @endcond */ + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} PCIE */ +/** @endcond */ + +/** @cond (bpmp_t264) + * @ingroup MRQ_Codes + * @def MRQ_CR7 + * @brief Perform a CR7 operation + * + * * Initiators: CPU_S + * * Targets: BPMP + * * Request Payload: @ref mrq_cr7_request + * + * @addtogroup CR7 + * @{ + */ + +/** + * @brief Payload for #MRQ_CR7 + * 2 fields for future parameters are provided. These must be 0 currently. + */ +struct cmd_cr7_request { + uint32_t fld0; + uint32_t fld1; +} BPMP_ABI_PACKED; + +struct cmd_cr7_query_abi_request { + /** #MRQ_CR7 sub-command identifier from @ref mrq_cr7_cmd */ + uint32_t type; +} BPMP_ABI_PACKED; + +/** + * @brief Sub-command identifiers for #MRQ_CR7. + */ +enum mrq_cr7_cmd { + /** + * @brief Check whether the BPMP driver supports the specified request + * type + * + * mrq_response:: err is 0 if the specified request is supported and + * -#BPMP_ENODEV otherwise + */ + CMD_CR7_QUERY_ABI = 0, + + /** @brief Enter CR7 state on the package BPMP-FW is running on. */ + CMD_CR7_ENTRY = 1, + /** @brief Exit CR7 state on the package BPMP-FW is running on. */ + CMD_CR7_EXIT = 2, + + CMD_CR7_MAX, +}; + +/** + * @ingroup CR7 + * @brief #MRQ_CR7 structure + * + * |Sub-command |Payload | + * |----------------------------|---------------------------| + * |#CMD_CR7_QUERY_ABI | #cmd_cr7_query_abi_request| + * |#CMD_CR7_ENTRY | #cmd_cr7_request | + * |#CMD_CR7_EXIT | #cmd_cr7_request | + + */ +struct mrq_cr7_request { + /** @brief Sub-command ID from @ref mrq_cr7_cmd. */ + uint32_t cmd; + union { + struct cmd_cr7_query_abi_request query_abi; + struct cmd_cr7_request cr7_request; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} CR7 */ +/** @endcond */ + +/** @cond (bpmp_tb500) + * @ingroup MRQ_Codes + * @def MRQ_HWPM + * @brief Configure and query HWPM functionality + * + * * Initiators: CCPLEX + * * Targets: BPMP + * * Request Payload: @ref mrq_hwpm_request + * * Response Payload: @ref mrq_hwpm_response + * + * @addtogroup HWPM + * @{ + */ + +/** + * @brief Sub-command identifiers for #MRQ_HWPM. + */ +enum mrq_hwpm_cmd { + /** + * @brief Check whether the BPMP-FW supports the specified + * #MRQ_HWPM sub-command. + * + * mrq_response:err is 0 if the specified request is + * supported and -#BPMP_ENODEV otherwise. + */ + CMD_HWPM_QUERY_ABI = 1, + + /** + * @brief Configure IPMU triggers + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_IPMU_SET_TRIGGERS = 2, + + /** + * @brief Configure IPMU payloads and shifts + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS = 3, + + /** + * @brief Get maximum number of payloads + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + */ + CMD_HWPM_IPMU_GET_MAX_PAYLOADS = 4, + + /** + * @brief Configure NVTHERM sample rate + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_NVTHERM_SET_SAMPLE_RATE = 5, + + /** + * @brief Set NVTHERM bubble interval + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL = 6, + + /** + * @brief Configure NVTHERM DG flexible channels + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS = 7, + + /** + * @brief Get ISENSE sensor name + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_ISENSE_GET_SENSOR_NAME = 8, + + /** + * @brief Get ISENSE sensor channel + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL = 9, + + /** + * @brief Get ISENSE sensor scale factor + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR = 10, + + /** + * @brief Get ISENSE sensor offset + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + * | -#BPMP_ENODATA | No sensor offset. | + */ + CMD_HWPM_ISENSE_GET_SENSOR_OFFSET = 11, + + /** + * @brief Get ISENSE sum block name + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME = 12, + + /** + * @brief Get ISENSE sum input sensor IDs + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_HWPM is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS = 13, + + /** + * @brief Largest supported #MRQ_HWPM sub-command identifier + 1 + */ + CMD_HWPM_MAX, +}; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_QUERY_ABI + */ +struct cmd_hwpm_query_abi_req { + /** @brief Sub-command identifier from @ref mrq_hwpm_cmd */ + uint32_t cmd_code; +} BPMP_ABI_PACKED; + +/** + * @brief Maximum array length for IPMU trigger bitmask + */ +#define HWPM_IPMU_TRIGGER_ARR_LEN 28U + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_IPMU_SET_TRIGGERS + */ +struct cmd_hwpm_ipmu_set_triggers_req { + /** @brief IPMU physical ID + * + * @note Valid range from [0, MAX_CPU_CORES), see @ref bpmp_hwpm_core_config + */ + uint32_t ipmu_phys_id; + /** @brief Trigger bitmask, see @ref bpmp_ipmu_trigger_ids + * + * @note Setting a trigger bit will cause the associated trigger to + * generate an output packet from IPMU to the HWPM perfmux. + * @note Up to a maximum possible 896 triggers + */ + uint32_t triggers[HWPM_IPMU_TRIGGER_ARR_LEN]; +} BPMP_ABI_PACKED; + +/** + * @brief Array length for IPMU payload bitmask + */ +#define HWPM_IPMU_PAYLOAD_ARR_LEN 26U + +/** + * @brief Array length for IPMU payload shift bitmask + */ +#define HWPM_IPMU_SHIFT_ARR_LEN 2U + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS + */ +struct cmd_hwpm_ipmu_set_payloads_shifts_req { + /** @brief IPMU physical ID + * + * @note Valid range from [0, MAX_CPU_CORES), see @ref bpmp_hwpm_core_config + */ + uint32_t ipmu_phys_id; + /** @brief Payload bitmask, see @ref bpmp_ipmu_payload_ids + * + * @note Setting a payload bit will add the associated payload to the + * IPMU output packet. + * @note The maximum number of payloads is platform dependent, + * @see #CMD_HWPM_IPMU_GET_MAX_PAYLOADS + * @note To disable IPMU streaming on this instance, set all payload bits to 0. + * @note Up to a maximum of 832 available payloads + */ + uint32_t payloads[HWPM_IPMU_PAYLOAD_ARR_LEN]; + /** + * @brief Payload shift mask + * + * @note Setting the i-th shift bit will right-shift the + * i-th enabled payload by 1 bit. + * @note Up to a maximum of 64 simultaneous emitted payloads + */ + uint32_t shifts[HWPM_IPMU_SHIFT_ARR_LEN]; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_IPMU_GET_MAX_PAYLOADS + */ +struct cmd_hwpm_ipmu_get_max_payloads_req { + BPMP_ABI_EMPTY +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_NVTHERM_SET_SAMPLE_RATE + */ +struct cmd_hwpm_nvtherm_set_sample_rate_req { + /** @brief Sample rate in microseconds + * + * @note Requesting a sample rate of 0 will disable NVTHERM streaming. + */ + uint32_t sample_rate; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL + */ +struct cmd_hwpm_nvtherm_set_bubble_interval_req { + /** @brief Bubble interval in microseconds */ + uint32_t bubble_interval; +} BPMP_ABI_PACKED; + +/** + * @brief Maximum array length for NVTHERM flexible channel bitmask + */ +#define HWPM_NVTHERM_FLEX_CHANNEL_ARR_LEN 29U + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS + */ +struct cmd_hwpm_nvtherm_set_flex_channels_req { + /** @brief NVTHERM flexible channel bitmask + * + * @see #bpmp_nvtherm_flex_channel_ids + * + * @note Up to a maximum of 928 flexible channels + */ + uint32_t channels[HWPM_NVTHERM_FLEX_CHANNEL_ARR_LEN]; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_NAME + */ +struct cmd_hwpm_isense_get_sensor_name_req { + /** @brief Sensor ID from @ref bpmp_isense_sensor_ids */ + uint32_t sensor_id; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL + */ +struct cmd_hwpm_isense_get_sensor_channel_req { + /** @brief Sensor ID from @ref bpmp_isense_sensor_ids */ + uint32_t sensor_id; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR + */ +struct cmd_hwpm_isense_get_sensor_scale_factor_req { + /** @brief Sensor ID from @ref bpmp_isense_sensor_ids */ + uint32_t sensor_id; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_OFFSET + */ +struct cmd_hwpm_isense_get_sensor_offset_req { + /** @brief Sensor ID from @ref bpmp_isense_sensor_ids */ + uint32_t sensor_id; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME + */ +struct cmd_hwpm_isense_get_sum_block_name_req { + /** @brief Sum block index */ + uint32_t sum_block_index; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS + */ +struct cmd_hwpm_isense_get_sum_block_inputs_req { + /** @brief Sum block index */ + uint32_t sum_block_index; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_IPMU_GET_MAX_PAYLOADS + */ +struct cmd_hwpm_ipmu_get_max_payloads_resp { + /** @brief Maximum number of payloads */ + uint32_t max_payloads; +} BPMP_ABI_PACKED; + +/** + * @brief Maximum array length for ISENSE sensor name + */ +#define HWPM_ISENSE_SENSOR_MAX_NAME_LEN 64U + +/** + * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_NAME + */ +struct cmd_hwpm_isense_get_sensor_name_resp { + /** @brief Sensor name */ + char sensor_name[HWPM_ISENSE_SENSOR_MAX_NAME_LEN]; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL + */ +struct cmd_hwpm_isense_get_sensor_channel_resp { + /** @brief Physical channel index */ + uint32_t channel_index; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR + */ +struct cmd_hwpm_isense_get_sensor_scale_factor_resp { + /** @brief Scale factor */ + float scale_factor; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SENSOR_OFFSET + */ +struct cmd_hwpm_isense_get_sensor_offset_resp { + /** @brief Offset sensor ID */ + uint32_t offset_sensor_id; +} BPMP_ABI_PACKED; + +/** + * @brief Maximum array length for ISENSE sum name + */ +#define HWPM_ISENSE_SUM_BLOCK_MAX_NAME_LEN 64U + +/** + * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME + */ +struct cmd_hwpm_isense_get_sum_block_name_resp { + /** @brief Sum block name */ + char sum_block_name[HWPM_ISENSE_SUM_BLOCK_MAX_NAME_LEN]; +} BPMP_ABI_PACKED; + +/** + * @brief Maximum array length for ISENSE sum block input sensor IDs + */ +#define HWPM_ISENSE_SUM_BLOCK_INPUTS_MAX 16U + +/** + * @brief Response data for #MRQ_HWPM sub-command #CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS + */ +struct cmd_hwpm_isense_get_sum_block_inputs_resp { + /** @brief Input channel indices; negative if no input is applied */ + int32_t input_channel_idx[HWPM_ISENSE_SUM_BLOCK_INPUTS_MAX]; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for the #MRQ_HWPM -command + * + * | Sub-command | Request payload | + * | ---------------------------------------- | -------------------------------------------- | + * | #CMD_HWPM_QUERY_ABI | #cmd_hwpm_query_abi_req | + * | #CMD_HWPM_IPMU_SET_TRIGGERS | #cmd_hwpm_ipmu_set_triggers_req | + * | #CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS | #cmd_hwpm_ipmu_set_payloads_shifts_req | + * | #CMD_HWPM_IPMU_GET_MAX_PAYLOADS | #cmd_hwpm_ipmu_get_max_payloads_req | + * | #CMD_HWPM_NVTHERM_SET_SAMPLE_RATE | #cmd_hwpm_nvtherm_set_sample_rate_req | + * | #CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL | #cmd_hwpm_nvtherm_set_bubble_interval_req | + * | #CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS | #cmd_hwpm_nvtherm_set_flex_channels_req | + * | #CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL | #cmd_hwpm_isense_get_sensor_channel_req | + * | #CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR | #cmd_hwpm_isense_get_sensor_scale_factor_req | + * | #CMD_HWPM_ISENSE_GET_SENSOR_OFFSET | #cmd_hwpm_isense_get_sensor_offset_req | + * | #CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME | #cmd_hwpm_isense_get_sum_block_name_req | + * | #CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS | #cmd_hwpm_isense_get_sum_block_inputs_req | + */ +struct mrq_hwpm_request { + uint32_t cmd; + union { + struct cmd_hwpm_query_abi_req query_abi; + struct cmd_hwpm_ipmu_set_triggers_req ipmu_set_triggers; + struct cmd_hwpm_ipmu_set_payloads_shifts_req ipmu_set_payloads_shifts; + struct cmd_hwpm_ipmu_get_max_payloads_req ipmu_get_max_payloads; + struct cmd_hwpm_nvtherm_set_sample_rate_req nvtherm_set_sample_rate; + struct cmd_hwpm_nvtherm_set_bubble_interval_req nvtherm_set_bubble_interval; + struct cmd_hwpm_nvtherm_set_flex_channels_req nvtherm_set_flex_channels; + struct cmd_hwpm_isense_get_sensor_name_req isense_get_sensor_name; + struct cmd_hwpm_isense_get_sensor_channel_req isense_get_sensor_channel; + struct cmd_hwpm_isense_get_sensor_scale_factor_req isense_get_sensor_scale_factor; + struct cmd_hwpm_isense_get_sensor_offset_req isense_get_sensor_offset; + struct cmd_hwpm_isense_get_sum_block_name_req isense_get_sum_block_name; + struct cmd_hwpm_isense_get_sum_block_inputs_req isense_get_sum_block_inputs; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for the #MRQ_HWPM -command + * + * | Sub-command | Response payload | + * | ---------------------------------------- | --------------------------------------------- | + * | #CMD_HWPM_QUERY_ABI | - | + * | #CMD_HWPM_IPMU_SET_TRIGGERS | - | + * | #CMD_HWPM_IPMU_SET_PAYLOADS_SHIFTS | - | + * | #CMD_HWPM_IPMU_GET_MAX_PAYLOADS | #cmd_hwpm_ipmu_get_max_payloads_resp | + * | #CMD_HWPM_NVTHERM_SET_SAMPLE_RATE | - | + * | #CMD_HWPM_NVTHERM_SET_BUBBLE_INTERVAL | - | + * | #CMD_HWPM_NVTHERM_SET_FLEX_CHANNELS | - | + * | #CMD_HWPM_ISENSE_GET_SENSOR_NAME | #cmd_hwpm_isense_get_sensor_name_resp | + * | #CMD_HWPM_ISENSE_GET_SENSOR_CHANNEL | #cmd_hwpm_isense_get_sensor_channel_resp | + * | #CMD_HWPM_ISENSE_GET_SENSOR_SCALE_FACTOR | #cmd_hwpm_isense_get_sensor_scale_factor_resp | + * | #CMD_HWPM_ISENSE_GET_SENSOR_OFFSET | #cmd_hwpm_isense_get_sensor_offset_resp | + * | #CMD_HWPM_ISENSE_GET_SUM_BLOCK_NAME | #cmd_hwpm_isense_get_sum_block_name_resp | + * | #CMD_HWPM_ISENSE_GET_SUM_BLOCK_INPUTS | #cmd_hwpm_isense_get_sum_block_inputs_resp | + */ +struct mrq_hwpm_response { + uint32_t err; + union { + struct cmd_hwpm_ipmu_get_max_payloads_resp ipmu_get_max_payloads; + struct cmd_hwpm_isense_get_sensor_name_resp isense_get_sensor_name; + struct cmd_hwpm_isense_get_sensor_channel_resp isense_get_sensor_channel; + struct cmd_hwpm_isense_get_sensor_scale_factor_resp isense_get_sensor_scale_factor; + struct cmd_hwpm_isense_get_sensor_offset_resp isense_get_sensor_offset; + struct cmd_hwpm_isense_get_sum_block_name_resp isense_get_sum_block_name; + struct cmd_hwpm_isense_get_sum_block_inputs_resp isense_get_sum_block_inputs; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} HWPM */ +/** @endcond */ + +/** @cond (bpmp_tb500) + * @ingroup MRQ_Codes + * @def MRQ_DVFS + * @brief Configure DVFS functionality + * + * * Initiators: CCPLEX + * * Targets: BPMP + * * Request Payload: @ref mrq_dvfs_request + * + * @addtogroup DVFS + * @{ + */ + +/** + * @brief Sub-command identifiers for #MRQ_DVFS. + */ +enum mrq_dvfs_cmd { + /** + * @brief Check whether the BPMP-FW supports the specified + * #MRQ_DVFS sub-command. + * + * mrq_response:err is 0 if the specified request is + * supported and -#BPMP_ENODEV otherwise. + */ + CMD_DVFS_QUERY_ABI = 1, + + /** + * @brief Configure DVFS controller + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_DVFS is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_DVFS_SET_CTRL_STATE = 2, + + /** + * @brief Configure DVFS manager + * + * mrq_response:err is defined as: + * + * | Value | Description | + * | -------------- | ------------------------------------------- | + * | 0 | Success | + * | -#BPMP_ENODEV | #MRQ_DVFS is not supported by BPMP-FW. | + * | -#BPMP_ENOTSUP | Subcommand is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_DVFS_SET_MGR_STATE = 3, + + /** + * @brief Largest supported #MRQ_DVFS sub-command identifier + 1 + */ + CMD_DVFS_MAX, +}; + +/** + * @brief Request data for #MRQ_DVFS sub-command #CMD_DVFS_QUERY_ABI + */ +struct cmd_dvfs_query_abi_req { + /** @brief Sub-command identifier from @ref mrq_dvfs_cmd */ + uint32_t cmd_code; +} BPMP_ABI_PACKED; + +struct cmd_dvfs_set_ctrl_state_req { + /** @brief Controller ID from @ref bpmp_dvfs_ctrl_ids */ + uint32_t ctrl_id; + /** @brief Controller enable state */ + uint32_t enable; +} BPMP_ABI_PACKED; + +struct cmd_dvfs_set_mgr_state_req { + /** @brief Manager ID from @ref bpmp_dvfs_mgr_ids */ + uint32_t mgr_id; + /** @brief Manager enable state */ + uint32_t enable; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for the #MRQ_DVFS -command + * + * | Sub-command | Request payload | + * | ---------------------------------------- | -------------------------------------------- | + * | #CMD_DVFS_QUERY_ABI | #cmd_dvfs_query_abi_req | + * | #CMD_DVFS_SET_CTRL_STATE | #cmd_dvfs_set_ctrl_state_req | + * | #CMD_DVFS_SET_MGR_STATE | #cmd_dvfs_set_mgr_state_req | + */ +struct mrq_dvfs_request { + uint32_t cmd; + union { + struct cmd_dvfs_query_abi_req query_abi; + struct cmd_dvfs_set_ctrl_state_req set_ctrl_state; + struct cmd_dvfs_set_mgr_state_req set_mgr_state; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} DVFS */ +/** @endcond */ + +/** @cond (bpmp_tb500) + * @ingroup MRQ_Codes + * @def MRQ_PPP_PROFILE + * @brief Get power/performance profile configuration settings. + * + * * Initiators: Any + * * Targets: BPMP + * * Request Payload: @ref mrq_ppp_profile_request + * * Response Payload: @ref mrq_ppp_profile_response + * + * @addtogroup PPP + * @{ + */ + +/** + * @brief Sub-command identifiers for #MRQ_PPP_PROFILE. + */ +enum mrq_ppp_profile_cmd { + /** + * @brief Check whether the BPMP-FW supports the specified + * #MRQ_PPP_PROFILE sub-command. + * + * mrq_ppp_profile_response:err is 0 if the specified request is + * supported and -#BPMP_ENOTSUP otherwise. + */ + + CMD_PPP_PROFILE_QUERY_ABI = 0, + /** + * @brief Query the BPMP for the CPU core and SLC slice configuration associated + * with a given Power/Performance Profile (PPP). + * + * mrq_ppp_profile_response:err is defined as: + * + * | Value | Description | + * |----------------|------------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENOTSUP | #MRQ_PPP_PROFILE is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_PPP_PROFILE_QUERY_MASKS = 1, + /** + * @brief Query BPMP for the CPU mask corresponding to a requested + * number of active CPU cores. + * + * mrq_ppp_profile_response:err is defined as: + * + * | Value | Description | + * |----------------|------------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENOTSUP | #MRQ_PPP_PROFILE is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_PPP_CORE_QUERY_CPU_MASK = 2, + /** + * @brief Query BPMP-FW for the currently available Power/Performance Profiles. + * + * mrq_ppp_profile_response:err is defined as: + * + * | Value | Description | + * |----------------|------------------------------------------------| + * | 0 | Success | + * | -#BPMP_ENOTSUP | #MRQ_PPP_PROFILE is not supported by BPMP-FW. | + * | -#BPMP_EINVAL | Invalid request parameters. | + */ + CMD_PPP_AVAILABLE_QUERY = 3, +}; + +/** + * @brief Request data for #MRQ_PPP_PROFILE sub-command + * #CMD_PPP_PROFILE_QUERY_ABI + */ +struct cmd_ppp_profile_query_abi_req { + /** @brief Sub-command identifier from @ref mrq_ppp_profile_cmd */ + uint32_t cmd_code; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_PPP_PROFILE sub-command + * #CMD_PPP_AVAILABLE_QUERY + */ +struct cmd_ppp_available_query_resp { + /** + * @brief Bitmask of available profiles. + * Bit N = 1 ⇒ profile N is available + */ + uint32_t avail_ppp_mask; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_PPP_PROFILE sub-command + * #CMD_PPP_PROFILE_QUERY_MASKS + */ +struct cmd_ppp_profile_query_masks_req { + /** @brief power/perf profile identifier */ + uint32_t profile_id; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for #MRQ_PPP_PROFILE sub-command + * #CMD_PPP_PROFILE_QUERY_MASKS + */ +struct cmd_ppp_profile_query_masks_resp { + /** @brief Enabled cores in this profile */ + uint32_t num_active_cores; + /** @brief Enabled SLC slices in this profile */ + uint32_t num_active_slcs; + /** @brief Number of valid words in active_core_masks array */ + uint32_t max_num_core_words; + /** @brief Number of valid words in active_slc_masks array */ + uint32_t max_num_slc_words; + /** @brief Enabled cores bit mask (bit N = 1 => core N enabled) */ + uint32_t active_core_masks[8]; + /** @brief Enabled SLC slices bit mask (bit N = 1 => SLC slice N enabled) */ + uint32_t active_slc_masks[8]; +} BPMP_ABI_PACKED; + +/** + * @brief Request data for #MRQ_PPP_PROFILE sub-command + * #CMD_PPP_CORE_QUERY_CPU_MASK + */ +struct cmd_ppp_core_query_cpu_mask_req { + /** @brief Requested number of active cores */ + uint32_t num_cores; +} BPMP_ABI_PACKED; + +/** + * @brief Response data for #MRQ_PPP_PROFILE sub-command + * #CMD_PPP_CORE_QUERY_CPU_MASK + */ +struct cmd_ppp_core_query_cpu_mask_resp { + /** @brief Number of valid words in active_core_masks array */ + uint32_t max_num_words; + /** @brief Enabled CPU core bitmask (bit N = 1 ⇒ core N enabled) */ + uint32_t active_core_masks[8]; +} BPMP_ABI_PACKED; + +/** + * @brief Request payload for the #MRQ_PPP_PROFILE -command + * + * | Sub-command | Request payload | + * |-------------------------------|----------------------------------------| + * | #CMD_PPP_PROFILE_QUERY_ABI | #cmd_ppp_profile_query_abi_req | + * | #CMD_PPP_PROFILE_QUERY_MASKS | #cmd_ppp_profile_query_masks_req | + * | #CMD_PPP_CORE_QUERY_CPU_MASK | #cmd_ppp_core_query_cpu_mask_req | + * | #CMD_PPP_AVAILABLE_QUERY | - | + */ +struct mrq_ppp_profile_request { + /** @brief Sub-command ID from @ref mrq_ppp_profile_cmd. */ + uint32_t cmd; + union { + struct cmd_ppp_profile_query_abi_req query_abi; + struct cmd_ppp_profile_query_masks_req ppp_profile_masks_req; + struct cmd_ppp_core_query_cpu_mask_req ppp_core_mask_req; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** + * @brief Response payload for the #MRQ_PPP_PROFILE -command. + * + * | Sub-command | Response payload | + * |-------------------------------|----------------------------------------| + * | #CMD_PPP_PROFILE_QUERY_ABI | - | + * | #CMD_PPP_PROFILE_QUERY_MASKS | #cmd_ppp_profile_query_masks_resp | + * | #CMD_PPP_CORE_QUERY_CPU_MASK | #cmd_ppp_core_query_cpu_mask_resp | + * | #CMD_PPP_AVAILABLE_QUERY | #cmd_ppp_available_query_resp | + */ +struct mrq_ppp_profile_response { + uint32_t err; + union { + struct cmd_ppp_profile_query_masks_resp ppp_profile_masks_resp; + struct cmd_ppp_core_query_cpu_mask_resp ppp_core_mask_resp; + struct cmd_ppp_available_query_resp ppp_avail_query_resp; + } BPMP_UNION_ANON; +} BPMP_ABI_PACKED; + +/** @} PPP */ +/** @endcond */ /** * @addtogroup Error_Codes @@ -3953,6 +6728,8 @@ struct mrq_gears_response { #define BPMP_ENOSYS 38 /** @brief Invalid slot */ #define BPMP_EBADSLT 57 +/** @brief No data */ +#define BPMP_ENODATA 61 /** @brief Invalid message */ #define BPMP_EBADMSG 77 /** @brief Operation not supported */ -- 2.52.0