From: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
To: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Cc: Xinhui.Pan@amd.com, Patil.Reddy@amd.com,
Basavaraj Natikar <basavaraj.natikar@amd.com>,
dri-devel@lists.freedesktop.org, jikos@kernel.org,
amd-gfx@lists.freedesktop.org,
platform-driver-x86@vger.kernel.org, markgross@kernel.org,
hdegoede@redhat.com, benjamin.tissoires@redhat.com,
mario.limonciello@amd.com, daniel@ffwll.ch,
linux-input@vger.kernel.org, alexander.deucher@amd.com,
airlied@gmail.com, christian.koenig@amd.com
Subject: Re: [PATCH 14/15] platform/x86/amd/pmf: Add PMF-AMDSFH interface for HPD
Date: Wed, 27 Sep 2023 16:32:34 +0300 (EEST) [thread overview]
Message-ID: <aa85b6d6-6113-337d-5de3-77fd53d7387@linux.intel.com> (raw)
In-Reply-To: <20230922175056.244940-15-Shyam-sundar.S-k@amd.com>
On Fri, 22 Sep 2023, Shyam Sundar S K wrote:
> From: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
>
> AMDSFH has information about the User presence information via the Human
> Presence Detection (HPD) sensor which is part of the AMD sensor fusion hub.
> Add PMF and AMDSFH interface to get this information.
>
> Co-developed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
> Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
> ---
> drivers/hid/amd-sfh-hid/amd_sfh_common.h | 5 ++++
> drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c | 2 +-
> drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c | 11 ++++++++
> .../amd-sfh-hid/sfh1_1/amd_sfh_interface.c | 28 +++++++++++++++++++
> .../amd-sfh-hid/sfh1_1/amd_sfh_interface.h | 1 +
> drivers/platform/x86/amd/pmf/spc.c | 21 ++++++++++++++
> include/linux/amd-pmf-io.h | 22 ++++++++++++++-
> 7 files changed, 88 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_common.h b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
> index 2643bb14fee2..cd57037bf217 100644
> --- a/drivers/hid/amd-sfh-hid/amd_sfh_common.h
> +++ b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
> @@ -37,6 +37,10 @@ struct amd_mp2_sensor_info {
> dma_addr_t dma_address;
> };
>
> +struct sfh_dev_status {
> + bool is_hpd_present;
> +};
> +
> struct amd_mp2_dev {
> struct pci_dev *pdev;
> struct amdtp_cl_data *cl_data;
> @@ -47,6 +51,7 @@ struct amd_mp2_dev {
> struct amd_input_data in_data;
> /* mp2 active control status */
> u32 mp2_acs;
> + struct sfh_dev_status dev_en;
> };
>
> struct amd_mp2_ops {
> diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c
> index 06bdcf072d10..d7467c41ad3b 100644
> --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c
> +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c
> @@ -132,7 +132,7 @@ static void get_common_inputs(struct common_input_property *common, int report_i
> common->event_type = HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM;
> }
>
> -static int float_to_int(u32 flt32_val)
> +int float_to_int(u32 flt32_val)
This is way too generic name to be exposed by a driver, add proper
prefix for it to make sure it never hits a compile problem.
> {
> int fraction, shift, mantissa, sign, exp, zeropre;
>
> diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
> index e9c6413af24a..9c623456ee12 100644
> --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
> +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
> @@ -73,6 +73,12 @@ static int amd_sfh_hid_client_deinit(struct amd_mp2_dev *privdata)
> int i, status;
>
> for (i = 0; i < cl_data->num_hid_devices; i++) {
> + switch (cl_data->sensor_idx[i]) {
> + case HPD_IDX:
> + privdata->dev_en.is_hpd_present = false;
> + break;
> + }
> +
> if (cl_data->sensor_sts[i] == SENSOR_ENABLED) {
> privdata->mp2_ops->stop(privdata, cl_data->sensor_idx[i]);
> status = amd_sfh_wait_for_response
> @@ -178,6 +184,11 @@ static int amd_sfh1_1_hid_client_init(struct amd_mp2_dev *privdata)
> rc = amdtp_hid_probe(i, cl_data);
> if (rc)
> goto cleanup;
> + switch (cl_data->sensor_idx[i]) {
> + case HPD_IDX:
> + privdata->dev_en.is_hpd_present = true;
> + break;
> + }
> }
> dev_dbg(dev, "sid 0x%x (%s) status 0x%x\n",
> cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]),
> diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
> index 4f81ef2d4f56..63a5bbca5a09 100644
> --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
> +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
> @@ -7,11 +7,14 @@
> *
> * Author: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
> */
> +#include <linux/amd-pmf-io.h>
> #include <linux/io-64-nonatomic-lo-hi.h>
> #include <linux/iopoll.h>
>
> #include "amd_sfh_interface.h"
>
> +static struct amd_mp2_dev *emp2;
> +
> static int amd_sfh_wait_response(struct amd_mp2_dev *mp2, u8 sid, u32 cmd_id)
> {
> struct sfh_cmd_response cmd_resp;
> @@ -76,4 +79,29 @@ static struct amd_mp2_ops amd_sfh_ops = {
> void sfh_interface_init(struct amd_mp2_dev *mp2)
> {
> mp2->mp2_ops = &amd_sfh_ops;
> + emp2 = mp2;
> +}
> +
> +static int amd_sfh_hpd_info(u8 *user_present)
> +{
> + if (emp2 && emp2->dev_en.is_hpd_present) {
> + struct hpd_status hpdstatus;
> +
> + hpdstatus.val = readl(emp2->mmio + AMD_C2P_MSG(4));
> + *user_present = hpdstatus.shpd.presence;
> + return 0;
> + }
> + return -ENODEV;
> +}
> +
> +int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op)
> +{
> + if (sfh_info) {
> + switch (op) {
> + case MT_HPD:
> + return amd_sfh_hpd_info(&sfh_info->user_present);
> + }
> + }
> + return -1;
> }
> +EXPORT_SYMBOL_GPL(amd_get_sfh_info);
> diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h
> index 9d31d5b510eb..8a36386e6bce 100644
> --- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h
> +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h
> @@ -149,6 +149,7 @@ struct hpd_status {
> };
> };
>
> +int float_to_int(u32 flt32_val);
> void sfh_interface_init(struct amd_mp2_dev *mp2);
> void amd_sfh1_1_set_desc_ops(struct amd_mp2_ops *mp2_ops);
> #endif
> diff --git a/drivers/platform/x86/amd/pmf/spc.c b/drivers/platform/x86/amd/pmf/spc.c
> index 5f3ab1ce09d2..97293ae25cf5 100644
> --- a/drivers/platform/x86/amd/pmf/spc.c
> +++ b/drivers/platform/x86/amd/pmf/spc.c
> @@ -48,6 +48,7 @@ void amd_pmf_dump_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *
> dev_dbg(dev->dev, "Primary Display State : %s\n", in->ev_info.display_state ?
> "Connected" : "disconnected/unknown");
> dev_dbg(dev->dev, "LID State : %s\n", in->ev_info.lid_state ? "Close" : "Open");
> + dev_dbg(dev->dev, "User Presence : %s\n", in->ev_info.user_present ? "Present" : "Away");
> dev_dbg(dev->dev, "==== TA inputs END ====\n");
> }
> #else
> @@ -156,6 +157,25 @@ static void amd_pmf_get_gpu_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_ta
> in->ev_info.display_state = dev->gfx_data.con_status[0];
> }
>
> +static void amd_pmf_get_sensor_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
> +{
> + struct amd_sfh_info sfh_info;
> +
> + /* get HPD data */
> + amd_get_sfh_info(&sfh_info, MT_HPD);
> + switch (sfh_info.user_present) {
> + case SFH_NOT_DETECTED:
> + in->ev_info.user_present = 0xff; /* assume no sensors connected */
> + break;
> + case SFH_USER_PRESENT:
> + in->ev_info.user_present = 1;
> + break;
> + case SFH_USER_AWAY:
> + in->ev_info.user_present = 0;
> + break;
> + }
> +}
> +
> void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in)
> {
> /* TA side lid open is 1 and close is 0, hence the ! here */
> @@ -165,4 +185,5 @@ void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_tab
> amd_pmf_get_battery_info(dev, in);
> amd_pmf_get_slider_info(dev, in);
> amd_pmf_get_gpu_info(dev, in);
> + amd_pmf_get_sensor_info(dev, in);
> }
> diff --git a/include/linux/amd-pmf-io.h b/include/linux/amd-pmf-io.h
> index ecae387ddaa6..4f82973f6ad2 100644
> --- a/include/linux/amd-pmf-io.h
> +++ b/include/linux/amd-pmf-io.h
> @@ -5,7 +5,8 @@
> * Copyright (c) 2023, Advanced Micro Devices, Inc.
> * All Rights Reserved.
> *
> - * Author: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
> + * Authors: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
> + * Basavaraj Natikar <Basavaraj.Natikar@amd.com>
> */
>
> #ifndef AMD_PMF_IO_H
> @@ -26,4 +27,23 @@ struct amd_gpu_pmf_data {
>
> int amd_pmf_get_gfx_data(struct amd_gpu_pmf_data *pmf);
> int amd_pmf_set_gfx_data(struct amd_gpu_pmf_data *pmf);
> +
> +/* amd-sfh */
> +enum sfh_message_type {
> + MT_HPD,
> +};
> +
> +enum hpd_info {
> + SFH_NOT_DETECTED,
> + SFH_USER_PRESENT,
> + SFH_USER_AWAY
> +};
> +
> +struct amd_sfh_info {
> + u8 user_present;
> + /* add future caps below */
Remove the comment?
> +};
> +
> +int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op);
> +
> #endif
>
--
i.
next prev parent reply other threads:[~2023-09-27 13:39 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-22 17:50 [PATCH 00/15] Introduce PMF Smart PC Solution Builder Feature Shyam Sundar S K
2023-09-22 17:50 ` [PATCH 01/15] platform/x86/amd/pmf: Add PMF TEE interface Shyam Sundar S K
2023-09-26 16:42 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 02/15] platform/x86/amd/pmf: Add support PMF-TA interaction Shyam Sundar S K
2023-09-26 16:48 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 03/15] platform/x86/amd/pmf: Change signature of amd_pmf_set_dram_addr Shyam Sundar S K
2023-09-26 16:52 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 04/15] platform/x86/amd/pmf: Add support for PMF Policy Binary Shyam Sundar S K
2023-09-22 18:51 ` Mario Limonciello
2023-09-30 3:55 ` Shyam Sundar S K
2023-09-26 17:05 ` Ilpo Järvinen
2023-09-27 12:19 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 05/15] platform/x86/amd/pmf: change debugfs init sequence Shyam Sundar S K
2023-09-26 16:53 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 06/15] platform/x86/amd/pmf: Add support to get inputs from other subsystems Shyam Sundar S K
2023-09-26 17:08 ` Ilpo Järvinen
2023-09-30 8:40 ` Shyam Sundar S K
2023-10-02 9:10 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 07/15] platform/x86/amd/pmf: Add support update p3t limit Shyam Sundar S K
2023-09-27 12:19 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 08/15] platform/x86/amd/pmf: Add support to update system state Shyam Sundar S K
2023-09-25 21:42 ` kernel test robot
2023-09-27 12:22 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 09/15] platform/x86/amd/pmf: Add facility to dump TA inputs Shyam Sundar S K
2023-09-27 12:25 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 10/15] platform/x86/amd/pmf: Add capability to sideload of policy binary Shyam Sundar S K
2023-09-25 2:14 ` kernel test robot
2023-09-27 12:33 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 11/15] platform/x86/amd/pmf: dump policy binary data Shyam Sundar S K
2023-09-22 19:01 ` Mario Limonciello
2023-09-30 4:41 ` Shyam Sundar S K
2023-09-22 17:50 ` [PATCH 12/15] platform/x86/amd/pmf: Add PMF-AMDGPU get interface Shyam Sundar S K
2023-09-27 12:54 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 13/15] platform/x86/amd/pmf: Add PMF-AMDGPU set interface Shyam Sundar S K
2023-09-25 16:27 ` Deucher, Alexander
2023-09-25 16:30 ` Mario Limonciello
2023-09-26 11:17 ` Shyam Sundar S K
2023-09-26 11:15 ` Shyam Sundar S K
2023-09-26 10:35 ` Hans de Goede
2023-09-26 11:24 ` Shyam Sundar S K
2023-09-26 12:56 ` Hans de Goede
2023-09-26 13:17 ` Christian König
2023-09-26 13:48 ` Shyam Sundar S K
2023-09-27 13:04 ` Hans de Goede
2023-09-27 13:47 ` Shyam Sundar S K
2023-09-27 13:36 ` Ilpo Järvinen
2023-09-22 17:50 ` [PATCH 14/15] platform/x86/amd/pmf: Add PMF-AMDSFH interface for HPD Shyam Sundar S K
2023-09-22 19:04 ` Mario Limonciello
2023-09-22 21:04 ` Mario Limonciello
2023-09-27 13:32 ` Ilpo Järvinen [this message]
2023-09-22 17:50 ` [PATCH 15/15] platform/x86/amd/pmf: Add PMF-AMDSFH interface for ALS Shyam Sundar S K
2023-09-22 19:06 ` Mario Limonciello
2023-09-27 13:33 ` Ilpo Järvinen
2023-09-27 13:48 ` Shyam Sundar S K
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