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[60.242.93.14]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2adfb6ba5eesm41682865ad.68.2026.02.26.20.12.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Feb 2026 20:12:14 -0800 (PST) From: Lachlan Hodges To: johannes@sipsolutions.net, Lachlan Hodges , Dan Callaghan , Arien Judge Cc: ayman.grais@morsemicro.com, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH wireless-next 05/35] wifi: mm81x: add core.c Date: Fri, 27 Feb 2026 15:10:15 +1100 Message-ID: <20260227041108.66508-6-lachlan.hodges@morsemicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260227041108.66508-1-lachlan.hodges@morsemicro.com> References: <20260227041108.66508-1-lachlan.hodges@morsemicro.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit (Patches split per file for review, see cover letter for more information) Signed-off-by: Lachlan Hodges --- drivers/net/wireless/morsemicro/mm81x/core.c | 157 +++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 drivers/net/wireless/morsemicro/mm81x/core.c diff --git a/drivers/net/wireless/morsemicro/mm81x/core.c b/drivers/net/wireless/morsemicro/mm81x/core.c new file mode 100644 index 000000000000..1bcb9b5a00c9 --- /dev/null +++ b/drivers/net/wireless/morsemicro/mm81x/core.c @@ -0,0 +1,157 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2017-2026 Morse Micro + */ +#include +#include "core.h" +#include "debug.h" +#include "bus.h" +#include "hif.h" + +unsigned int mm81x_debug_mask; +module_param_named(debug_mask, mm81x_debug_mask, uint, 0644); +MODULE_PARM_DESC(debug_mask, "mm81x debug mask"); + +char board_config_file[BCF_SIZE_MAX] = ""; +module_param_string(bcf, board_config_file, sizeof(board_config_file), 0644); +MODULE_PARM_DESC(bcf, "BCF filename to load"); + +int mm81x_core_attach_regs(struct mm81x *mm) +{ + int ret = 0; + + mm81x_claim_bus(mm); + ret = mm81x_reg32_read(mm, MM8108_REG_CHIP_ID, &mm->chip_id); + mm81x_release_bus(mm); + + if (ret < 0) { + mm81x_err(mm, "failed to read chip id %d", ret); + return ret; + } + + switch (mm->chip_id) { + case (MM8108B2_ID): + mm->regs = &mm8108_regs; + mm->hif.ops = &mm81x_yaps_ops; + break; + default: + return -ENODEV; + } + + return ret; +} + +static char *mm81x_core_get_revision_string(u32 chip_id) +{ + u8 chip_rev = MM81X_DEVICE_GET_CHIP_REV(chip_id); + + switch (chip_rev) { + case MM8108B2_REV: + return MM8108B2_REV_STRING; + default: + return "??"; + } +} + +void mm81x_core_init_mac_addr(struct mm81x *mm) +{ + int ret = mm81x_hw_otp_get_mac_addr(mm); + + if (ret || !is_valid_ether_addr(mm->macaddr)) + eth_random_addr(mm->macaddr); +} + +char *mm81x_core_get_fw_path(u32 chip_id) +{ + return kasprintf(GFP_KERNEL, + MM81X_FW_DIR "/" MM8108_FW_BASE + "%s" FW_ROM_LINKED_STRING MM81X_FW_EXT, + mm81x_core_get_revision_string(chip_id)); +} + +int mm81x_core_create(struct mm81x *mm) +{ + int ret; + + set_bit(MM81X_STATE_CHIP_UNRESPONSIVE, &mm->state_flags); + set_bit(MM81X_STATE_RELOAD_FW_AFTER_START, &mm->state_flags); + + mm->chip_wq = create_singlethread_workqueue("chip_wq"); + if (!mm->chip_wq) { + mm81x_err(mm, "create_singlethread_workqueue failed"); + return -ENOMEM; + } + + mm->net_wq = create_singlethread_workqueue("net_wq"); + if (!mm->net_wq) { + mm81x_err(mm, "create_singlethread_workqueue failed"); + ret = -ENOMEM; + goto err_chip_wq; + } + + ret = mm81x_hif_init(mm); + if (ret) { + mm81x_err(mm, "mm81x_hif_init failed: %d", ret); + goto err_wqs; + } + + return 0; + +err_wqs: + flush_workqueue(mm->net_wq); + destroy_workqueue(mm->net_wq); + +err_chip_wq: + flush_workqueue(mm->chip_wq); + destroy_workqueue(mm->chip_wq); + + return ret; +} + +void mm81x_core_destroy(struct mm81x *mm) +{ + mm81x_hif_finish(mm); + flush_workqueue(mm->net_wq); + destroy_workqueue(mm->net_wq); + flush_workqueue(mm->chip_wq); + destroy_workqueue(mm->chip_wq); +} + +static int __init mm81x_init(void) +{ + int ret = 0; + + pr_info("Morse Micro mm81x driver registration. Version %s\n", + DRV_VERSION); + +#ifdef CONFIG_MM81X_USB + ret = mm81x_usb_init(); + if (ret) + pr_err("mm81x_usb_init() failed: %d\n", ret); +#endif +#ifdef CONFIG_MM81X_SDIO + ret = mm81x_sdio_init(); + if (ret) + pr_err("mm81x_sdio_init() failed: %d\n", ret); +#endif + + return ret; +} + +static void __exit mm81x_exit(void) +{ +#ifdef CONFIG_MM81X_USB + mm81x_usb_exit(); +#endif +#ifdef CONFIG_MM81X_SDIO + mm81x_sdio_exit(); +#endif +} + +module_init(mm81x_init); +module_exit(mm81x_exit); + +MODULE_AUTHOR("Morse Micro"); +MODULE_DESCRIPTION("Driver support for Morse Micro MM81X SDIO/USB devices"); +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_VERSION("1.0"); -- 2.43.0