From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/hid/amd-sfh-hid/Kconfig | 18 + drivers/hid/amd-sfh-hid/Makefile | 16 + drivers/hid/amd-sfh-hid/amd_sfh_client.c | 358 ++++++++++ drivers/hid/amd-sfh-hid/amd_sfh_common.h | 76 +++ drivers/hid/amd-sfh-hid/amd_sfh_hid.c | 182 +++++ drivers/hid/amd-sfh-hid/amd_sfh_hid.h | 83 +++ drivers/hid/amd-sfh-hid/amd_sfh_pcie.c | 424 ++++++++++++ drivers/hid/amd-sfh-hid/amd_sfh_pcie.h | 107 +++ .../amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c | 282 ++++++++ .../amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h | 114 ++++ .../hid_descriptor/amd_sfh_hid_report_desc.h | 758 +++++++++++++++++++++ drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c | 316 +++++++++ drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c | 325 +++++++++ drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.h | 26 + drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c | 79 +++ drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h | 154 +++++ 16 files changed, 3318 insertions(+) create mode 100644 drivers/hid/amd-sfh-hid/Kconfig create mode 100644 drivers/hid/amd-sfh-hid/Makefile create mode 100644 drivers/hid/amd-sfh-hid/amd_sfh_client.c create mode 100644 drivers/hid/amd-sfh-hid/amd_sfh_common.h create mode 100644 drivers/hid/amd-sfh-hid/amd_sfh_hid.c create mode 100644 drivers/hid/amd-sfh-hid/amd_sfh_hid.h create mode 100644 drivers/hid/amd-sfh-hid/amd_sfh_pcie.c create mode 100644 drivers/hid/amd-sfh-hid/amd_sfh_pcie.h create mode 100644 drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c create mode 100644 drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h create mode 100644 drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h create mode 100644 drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c create mode 100644 drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c create mode 100644 drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.h create mode 100644 drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c create mode 100644 drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h (limited to 'drivers/hid/amd-sfh-hid') diff --git a/drivers/hid/amd-sfh-hid/Kconfig b/drivers/hid/amd-sfh-hid/Kconfig new file mode 100644 index 0000000000..af752dd3a3 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/Kconfig @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +menu "AMD SFH HID Support" + depends on X86_64 || COMPILE_TEST + depends on PCI + +config AMD_SFH_HID + tristate "AMD Sensor Fusion Hub" + depends on HID + help + If you say yes to this option, support will be included for the + AMD Sensor Fusion Hub. + This driver will enable sensors functionality on AMD platforms + starting from 17h family of RYZEN parts. + + This driver can also be built as a module. If so, the module will + be called amd-sfh. + Say Y or M here if you want to support AMD SFH. If unsure, say N. +endmenu diff --git a/drivers/hid/amd-sfh-hid/Makefile b/drivers/hid/amd-sfh-hid/Makefile new file mode 100644 index 0000000000..0222170ab7 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/Makefile @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Makefile - AMD SFH HID drivers +# Copyright (c) 2019-2020, Advanced Micro Devices, Inc. +# +# +obj-$(CONFIG_AMD_SFH_HID) += amd_sfh.o +amd_sfh-objs := amd_sfh_hid.o +amd_sfh-objs += amd_sfh_client.o +amd_sfh-objs += amd_sfh_pcie.o +amd_sfh-objs += hid_descriptor/amd_sfh_hid_desc.o +amd_sfh-objs += sfh1_1/amd_sfh_init.o +amd_sfh-objs += sfh1_1/amd_sfh_interface.o +amd_sfh-objs += sfh1_1/amd_sfh_desc.o + +ccflags-y += -I $(srctree)/$(src)/ diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c new file mode 100644 index 0000000000..bdb578e089 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -0,0 +1,358 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AMD SFH Client Layer + * Copyright 2020-2021 Advanced Micro Devices, Inc. + * Authors: Nehal Bakulchandra Shah + * Sandeep Singh + * Basavaraj Natikar + */ + +#include +#include +#include +#include +#include +#include + +#include "hid_descriptor/amd_sfh_hid_desc.h" +#include "amd_sfh_pcie.h" +#include "amd_sfh_hid.h" + +void amd_sfh_set_report(struct hid_device *hid, int report_id, + int report_type) +{ + struct amdtp_hid_data *hid_data = hid->driver_data; + struct amdtp_cl_data *cli_data = hid_data->cli_data; + int i; + + for (i = 0; i < cli_data->num_hid_devices; i++) { + if (cli_data->hid_sensor_hubs[i] == hid) { + cli_data->cur_hid_dev = i; + break; + } + } + amdtp_hid_wakeup(hid); +} + +int amd_sfh_get_report(struct hid_device *hid, int report_id, int report_type) +{ + struct amdtp_hid_data *hid_data = hid->driver_data; + struct amdtp_cl_data *cli_data = hid_data->cli_data; + struct request_list *req_list = &cli_data->req_list; + int i; + + for (i = 0; i < cli_data->num_hid_devices; i++) { + if (cli_data->hid_sensor_hubs[i] == hid) { + struct request_list *new = kzalloc(sizeof(*new), GFP_KERNEL); + + if (!new) + return -ENOMEM; + + new->current_index = i; + new->sensor_idx = cli_data->sensor_idx[i]; + new->hid = hid; + new->report_type = report_type; + new->report_id = report_id; + cli_data->report_id[i] = report_id; + cli_data->request_done[i] = false; + list_add(&new->list, &req_list->list); + break; + } + } + schedule_delayed_work(&cli_data->work, 0); + return 0; +} + +void amd_sfh_work(struct work_struct *work) +{ + struct amdtp_cl_data *cli_data = container_of(work, struct amdtp_cl_data, work.work); + struct request_list *req_list = &cli_data->req_list; + struct amd_input_data *in_data = cli_data->in_data; + struct request_list *req_node; + u8 current_index, sensor_index; + struct amd_mp2_ops *mp2_ops; + struct amd_mp2_dev *mp2; + u8 report_id, node_type; + u8 report_size = 0; + + req_node = list_last_entry(&req_list->list, struct request_list, list); + list_del(&req_node->list); + current_index = req_node->current_index; + sensor_index = req_node->sensor_idx; + report_id = req_node->report_id; + node_type = req_node->report_type; + kfree(req_node); + + mp2 = container_of(in_data, struct amd_mp2_dev, in_data); + mp2_ops = mp2->mp2_ops; + if (node_type == HID_FEATURE_REPORT) { + report_size = mp2_ops->get_feat_rep(sensor_index, report_id, + cli_data->feature_report[current_index]); + if (report_size) + hid_input_report(cli_data->hid_sensor_hubs[current_index], + cli_data->report_type[current_index], + cli_data->feature_report[current_index], report_size, 0); + else + pr_err("AMDSFH: Invalid report size\n"); + + } else if (node_type == HID_INPUT_REPORT) { + report_size = mp2_ops->get_in_rep(current_index, sensor_index, report_id, in_data); + if (report_size) + hid_input_report(cli_data->hid_sensor_hubs[current_index], + cli_data->report_type[current_index], + in_data->input_report[current_index], report_size, 0); + else + pr_err("AMDSFH: Invalid report size\n"); + } + cli_data->cur_hid_dev = current_index; + cli_data->sensor_requested_cnt[current_index] = 0; + amdtp_hid_wakeup(cli_data->hid_sensor_hubs[current_index]); +} + +void amd_sfh_work_buffer(struct work_struct *work) +{ + struct amdtp_cl_data *cli_data = container_of(work, struct amdtp_cl_data, work_buffer.work); + struct amd_input_data *in_data = cli_data->in_data; + struct amd_mp2_dev *mp2; + u8 report_size; + int i; + + for (i = 0; i < cli_data->num_hid_devices; i++) { + if (cli_data->sensor_sts[i] == SENSOR_ENABLED) { + mp2 = container_of(in_data, struct amd_mp2_dev, in_data); + report_size = mp2->mp2_ops->get_in_rep(i, cli_data->sensor_idx[i], + cli_data->report_id[i], in_data); + hid_input_report(cli_data->hid_sensor_hubs[i], HID_INPUT_REPORT, + in_data->input_report[i], report_size, 0); + } + } + schedule_delayed_work(&cli_data->work_buffer, msecs_to_jiffies(AMD_SFH_IDLE_LOOP)); +} + +static u32 amd_sfh_wait_for_response(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts) +{ + if (mp2->mp2_ops->response) + sensor_sts = mp2->mp2_ops->response(mp2, sid, sensor_sts); + + return sensor_sts; +} + +static const char *get_sensor_name(int idx) +{ + switch (idx) { + case accel_idx: + return "accelerometer"; + case gyro_idx: + return "gyroscope"; + case mag_idx: + return "magnetometer"; + case als_idx: + case ACS_IDX: /* ambient color sensor */ + return "ALS"; + case HPD_IDX: + return "HPD"; + default: + return "unknown sensor type"; + } +} + +static void amd_sfh_resume(struct amd_mp2_dev *mp2) +{ + struct amdtp_cl_data *cl_data = mp2->cl_data; + struct amd_mp2_sensor_info info; + int i, status; + + for (i = 0; i < cl_data->num_hid_devices; i++) { + if (cl_data->sensor_sts[i] == SENSOR_DISABLED) { + info.period = AMD_SFH_IDLE_LOOP; + info.sensor_idx = cl_data->sensor_idx[i]; + info.dma_address = cl_data->sensor_dma_addr[i]; + mp2->mp2_ops->start(mp2, info); + status = amd_sfh_wait_for_response + (mp2, cl_data->sensor_idx[i], SENSOR_ENABLED); + if (status == SENSOR_ENABLED) + cl_data->sensor_sts[i] = SENSOR_ENABLED; + dev_dbg(&mp2->pdev->dev, "resume sid 0x%x (%s) status 0x%x\n", + cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), + cl_data->sensor_sts[i]); + } + } + + schedule_delayed_work(&cl_data->work_buffer, msecs_to_jiffies(AMD_SFH_IDLE_LOOP)); + amd_sfh_clear_intr(mp2); +} + +static void amd_sfh_suspend(struct amd_mp2_dev *mp2) +{ + struct amdtp_cl_data *cl_data = mp2->cl_data; + int i, status; + + for (i = 0; i < cl_data->num_hid_devices; i++) { + if (cl_data->sensor_idx[i] != HPD_IDX && + cl_data->sensor_sts[i] == SENSOR_ENABLED) { + mp2->mp2_ops->stop(mp2, cl_data->sensor_idx[i]); + status = amd_sfh_wait_for_response + (mp2, cl_data->sensor_idx[i], SENSOR_DISABLED); + if (status != SENSOR_ENABLED) + cl_data->sensor_sts[i] = SENSOR_DISABLED; + dev_dbg(&mp2->pdev->dev, "suspend sid 0x%x (%s) status 0x%x\n", + cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), + cl_data->sensor_sts[i]); + } + } + + cancel_delayed_work_sync(&cl_data->work_buffer); + amd_sfh_clear_intr(mp2); +} + +int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) +{ + struct amd_input_data *in_data = &privdata->in_data; + struct amdtp_cl_data *cl_data = privdata->cl_data; + struct amd_mp2_ops *mp2_ops = privdata->mp2_ops; + struct amd_mp2_sensor_info info; + struct request_list *req_list; + struct device *dev; + u32 feature_report_size; + u32 input_report_size; + int rc, i; + u8 cl_idx; + + req_list = &cl_data->req_list; + dev = &privdata->pdev->dev; + amd_sfh_set_desc_ops(mp2_ops); + + mp2_ops->suspend = amd_sfh_suspend; + mp2_ops->resume = amd_sfh_resume; + + cl_data->num_hid_devices = amd_mp2_get_sensor_num(privdata, &cl_data->sensor_idx[0]); + if (cl_data->num_hid_devices == 0) + return -ENODEV; + cl_data->is_any_sensor_enabled = false; + + INIT_DELAYED_WORK(&cl_data->work, amd_sfh_work); + INIT_DELAYED_WORK(&cl_data->work_buffer, amd_sfh_work_buffer); + INIT_LIST_HEAD(&req_list->list); + cl_data->in_data = in_data; + + for (i = 0; i < cl_data->num_hid_devices; i++) { + in_data->sensor_virt_addr[i] = dma_alloc_coherent(dev, sizeof(int) * 8, + &cl_data->sensor_dma_addr[i], + GFP_KERNEL); + if (!in_data->sensor_virt_addr[i]) { + rc = -ENOMEM; + goto cleanup; + } + cl_data->sensor_sts[i] = SENSOR_DISABLED; + cl_data->sensor_requested_cnt[i] = 0; + cl_data->cur_hid_dev = i; + cl_idx = cl_data->sensor_idx[i]; + cl_data->report_descr_sz[i] = mp2_ops->get_desc_sz(cl_idx, descr_size); + if (!cl_data->report_descr_sz[i]) { + rc = -EINVAL; + goto cleanup; + } + feature_report_size = mp2_ops->get_desc_sz(cl_idx, feature_size); + if (!feature_report_size) { + rc = -EINVAL; + goto cleanup; + } + input_report_size = mp2_ops->get_desc_sz(cl_idx, input_size); + if (!input_report_size) { + rc = -EINVAL; + goto cleanup; + } + cl_data->feature_report[i] = devm_kzalloc(dev, feature_report_size, GFP_KERNEL); + if (!cl_data->feature_report[i]) { + rc = -ENOMEM; + goto cleanup; + } + in_data->input_report[i] = devm_kzalloc(dev, input_report_size, GFP_KERNEL); + if (!in_data->input_report[i]) { + rc = -ENOMEM; + goto cleanup; + } + info.period = AMD_SFH_IDLE_LOOP; + info.sensor_idx = cl_idx; + info.dma_address = cl_data->sensor_dma_addr[i]; + + cl_data->report_descr[i] = + devm_kzalloc(dev, cl_data->report_descr_sz[i], GFP_KERNEL); + if (!cl_data->report_descr[i]) { + rc = -ENOMEM; + goto cleanup; + } + rc = mp2_ops->get_rep_desc(cl_idx, cl_data->report_descr[i]); + if (rc) + goto cleanup; + mp2_ops->start(privdata, info); + cl_data->sensor_sts[i] = amd_sfh_wait_for_response + (privdata, cl_data->sensor_idx[i], SENSOR_ENABLED); + } + + for (i = 0; i < cl_data->num_hid_devices; i++) { + cl_data->cur_hid_dev = i; + if (cl_data->sensor_sts[i] == SENSOR_ENABLED) { + cl_data->is_any_sensor_enabled = true; + rc = amdtp_hid_probe(i, cl_data); + if (rc) + goto cleanup; + } else { + cl_data->sensor_sts[i] = SENSOR_DISABLED; + } + dev_dbg(dev, "sid 0x%x (%s) status 0x%x\n", + cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), + cl_data->sensor_sts[i]); + } + + if (!cl_data->is_any_sensor_enabled || + (mp2_ops->discovery_status && mp2_ops->discovery_status(privdata) == 0)) { + dev_warn(dev, "Failed to discover, sensors not enabled is %d\n", cl_data->is_any_sensor_enabled); + rc = -EOPNOTSUPP; + goto cleanup; + } + schedule_delayed_work(&cl_data->work_buffer, msecs_to_jiffies(AMD_SFH_IDLE_LOOP)); + return 0; + +cleanup: + amd_sfh_hid_client_deinit(privdata); + for (i = 0; i < cl_data->num_hid_devices; i++) { + devm_kfree(dev, cl_data->feature_report[i]); + devm_kfree(dev, in_data->input_report[i]); + devm_kfree(dev, cl_data->report_descr[i]); + } + return rc; +} + +int amd_sfh_hid_client_deinit(struct amd_mp2_dev *privdata) +{ + struct amdtp_cl_data *cl_data = privdata->cl_data; + struct amd_input_data *in_data = cl_data->in_data; + int i, status; + + for (i = 0; i < cl_data->num_hid_devices; i++) { + if (cl_data->sensor_sts[i] == SENSOR_ENABLED) { + privdata->mp2_ops->stop(privdata, cl_data->sensor_idx[i]); + status = amd_sfh_wait_for_response + (privdata, cl_data->sensor_idx[i], SENSOR_DISABLED); + if (status != SENSOR_ENABLED) + cl_data->sensor_sts[i] = SENSOR_DISABLED; + dev_dbg(&privdata->pdev->dev, "stopping sid 0x%x (%s) status 0x%x\n", + cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), + cl_data->sensor_sts[i]); + } + } + + cancel_delayed_work_sync(&cl_data->work); + cancel_delayed_work_sync(&cl_data->work_buffer); + amdtp_hid_remove(cl_data); + + for (i = 0; i < cl_data->num_hid_devices; i++) { + if (in_data->sensor_virt_addr[i]) { + dma_free_coherent(&privdata->pdev->dev, 8 * sizeof(int), + in_data->sensor_virt_addr[i], + cl_data->sensor_dma_addr[i]); + } + } + return 0; +} diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_common.h b/drivers/hid/amd-sfh-hid/amd_sfh_common.h new file mode 100644 index 0000000000..2643bb14fe --- /dev/null +++ b/drivers/hid/amd-sfh-hid/amd_sfh_common.h @@ -0,0 +1,76 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * AMD MP2 common macros and structures + * + * Copyright (c) 2022, Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Author: Basavaraj Natikar + */ +#ifndef AMD_SFH_COMMON_H +#define AMD_SFH_COMMON_H + +#include +#include "amd_sfh_hid.h" + +#define PCI_DEVICE_ID_AMD_MP2 0x15E4 +#define PCI_DEVICE_ID_AMD_MP2_1_1 0x164A + +#define AMD_C2P_MSG(regno) (0x10500 + ((regno) * 4)) +#define AMD_P2C_MSG(regno) (0x10680 + ((regno) * 4)) + +#define SENSOR_ENABLED 4 +#define SENSOR_DISABLED 5 + +#define AMD_SFH_IDLE_LOOP 200 + +enum cmd_id { + NO_OP, + ENABLE_SENSOR, + DISABLE_SENSOR, + STOP_ALL_SENSORS = 8, +}; + +struct amd_mp2_sensor_info { + u8 sensor_idx; + u32 period; + dma_addr_t dma_address; +}; + +struct amd_mp2_dev { + struct pci_dev *pdev; + struct amdtp_cl_data *cl_data; + void __iomem *mmio; + void __iomem *vsbase; + const struct amd_sfh1_1_ops *sfh1_1_ops; + struct amd_mp2_ops *mp2_ops; + struct amd_input_data in_data; + /* mp2 active control status */ + u32 mp2_acs; +}; + +struct amd_mp2_ops { + void (*start)(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info); + void (*stop)(struct amd_mp2_dev *privdata, u16 sensor_idx); + void (*stop_all)(struct amd_mp2_dev *privdata); + int (*response)(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts); + void (*clear_intr)(struct amd_mp2_dev *privdata); + int (*init_intr)(struct amd_mp2_dev *privdata); + int (*discovery_status)(struct amd_mp2_dev *privdata); + void (*suspend)(struct amd_mp2_dev *mp2); + void (*resume)(struct amd_mp2_dev *mp2); + void (*remove)(void *privdata); + int (*get_rep_desc)(int sensor_idx, u8 rep_desc[]); + u32 (*get_desc_sz)(int sensor_idx, int descriptor_name); + u8 (*get_feat_rep)(int sensor_idx, int report_id, u8 *feature_report); + u8 (*get_in_rep)(u8 current_index, int sensor_idx, int report_id, + struct amd_input_data *in_data); +}; + +void amd_sfh_work(struct work_struct *work); +void amd_sfh_work_buffer(struct work_struct *work); +void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata); +int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata); +void amd_sfh_clear_intr(struct amd_mp2_dev *privdata); +int amd_sfh_irq_init(struct amd_mp2_dev *privdata); +#endif diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_hid.c b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c new file mode 100644 index 0000000000..705b523370 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c @@ -0,0 +1,182 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AMD MP2 Sensors transport driver + * + * Copyright 2020-2021 Advanced Micro Devices, Inc. + * Authors: Nehal Bakulchandra Shah + * Sandeep Singh + * Basavaraj Natikar + */ +#include +#include +#include + +#include "amd_sfh_hid.h" +#include "amd_sfh_pcie.h" + +#define AMD_SFH_RESPONSE_TIMEOUT 1500 + +/** + * amdtp_hid_parse() - hid-core .parse() callback + * @hid: hid device instance + * + * This function gets called during call to hid_add_device + * + * Return: 0 on success and non zero on error + */ +static int amdtp_hid_parse(struct hid_device *hid) +{ + struct amdtp_hid_data *hid_data = hid->driver_data; + struct amdtp_cl_data *cli_data = hid_data->cli_data; + + return hid_parse_report(hid, cli_data->report_descr[hid_data->index], + cli_data->report_descr_sz[hid_data->index]); +} + +/* Empty callbacks with success return code */ +static int amdtp_hid_start(struct hid_device *hid) +{ + return 0; +} + +static void amdtp_hid_stop(struct hid_device *hid) +{ +} + +static int amdtp_hid_open(struct hid_device *hid) +{ + return 0; +} + +static void amdtp_hid_close(struct hid_device *hid) +{ +} + +static int amdtp_raw_request(struct hid_device *hdev, u8 reportnum, + u8 *buf, size_t len, u8 rtype, int reqtype) +{ + return 0; +} + +static void amdtp_hid_request(struct hid_device *hid, struct hid_report *rep, int reqtype) +{ + int rc; + + switch (reqtype) { + case HID_REQ_GET_REPORT: + rc = amd_sfh_get_report(hid, rep->id, rep->type); + if (rc) + dev_err(&hid->dev, "AMDSFH get report error\n"); + break; + case HID_REQ_SET_REPORT: + amd_sfh_set_report(hid, rep->id, reqtype); + break; + default: + break; + } +} + +static int amdtp_wait_for_response(struct hid_device *hid) +{ + struct amdtp_hid_data *hid_data = hid->driver_data; + struct amdtp_cl_data *cli_data = hid_data->cli_data; + int i, ret = 0; + + for (i = 0; i < cli_data->num_hid_devices; i++) { + if (cli_data->hid_sensor_hubs[i] == hid) + break; + } + + if (!cli_data->request_done[i]) + ret = wait_event_interruptible_timeout(hid_data->hid_wait, + cli_data->request_done[i], + msecs_to_jiffies(AMD_SFH_RESPONSE_TIMEOUT)); + if (ret == -ERESTARTSYS) + return -ERESTARTSYS; + else if (ret < 0) + return -ETIMEDOUT; + else + return 0; +} + +void amdtp_hid_wakeup(struct hid_device *hid) +{ + struct amdtp_hid_data *hid_data; + struct amdtp_cl_data *cli_data; + + if (hid) { + hid_data = hid->driver_data; + cli_data = hid_data->cli_data; + cli_data->request_done[cli_data->cur_hid_dev] = true; + wake_up_interruptible(&hid_data->hid_wait); + } +} + +static const struct hid_ll_driver amdtp_hid_ll_driver = { + .parse = amdtp_hid_parse, + .start = amdtp_hid_start, + .stop = amdtp_hid_stop, + .open = amdtp_hid_open, + .close = amdtp_hid_close, + .request = amdtp_hid_request, + .wait = amdtp_wait_for_response, + .raw_request = amdtp_raw_request, +}; + +int amdtp_hid_probe(u32 cur_hid_dev, struct amdtp_cl_data *cli_data) +{ + struct amd_mp2_dev *mp2 = container_of(cli_data->in_data, struct amd_mp2_dev, in_data); + struct device *dev = &mp2->pdev->dev; + struct hid_device *hid; + struct amdtp_hid_data *hid_data; + int rc; + + hid = hid_allocate_device(); + if (IS_ERR(hid)) + return PTR_ERR(hid); + + hid_data = kzalloc(sizeof(*hid_data), GFP_KERNEL); + if (!hid_data) { + rc = -ENOMEM; + goto err_hid_data; + } + + hid->ll_driver = &amdtp_hid_ll_driver; + hid_data->index = cur_hid_dev; + hid_data->cli_data = cli_data; + init_waitqueue_head(&hid_data->hid_wait); + + hid->driver_data = hid_data; + cli_data->hid_sensor_hubs[cur_hid_dev] = hid; + strscpy(hid->phys, dev->driver ? dev->driver->name : dev_name(dev), + sizeof(hid->phys)); + hid->bus = BUS_AMD_SFH; + hid->vendor = AMD_SFH_HID_VENDOR; + hid->product = AMD_SFH_HID_PRODUCT; + snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X", "hid-amdsfh", + hid->vendor, hid->product); + + rc = hid_add_device(hid); + if (rc) + goto err_hid_device; + return 0; + +err_hid_device: + kfree(hid_data); +err_hid_data: + hid_destroy_device(hid); + return rc; +} + +void amdtp_hid_remove(struct amdtp_cl_data *cli_data) +{ + int i; + + for (i = 0; i < cli_data->num_hid_devices; ++i) { + if (cli_data->hid_sensor_hubs[i]) { + kfree(cli_data->hid_sensor_hubs[i]->driver_data); + hid_destroy_device(cli_data->hid_sensor_hubs[i]); + cli_data->hid_sensor_hubs[i] = NULL; + } + } +} diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_hid.h b/drivers/hid/amd-sfh-hid/amd_sfh_hid.h new file mode 100644 index 0000000000..97296f587b --- /dev/null +++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.h @@ -0,0 +1,83 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * AMD MP2 Sensors transport driver + * + * Copyright 2020-2021 Advanced Micro Devices, Inc. + * Authors: Nehal Bakulchandra Shah + * Sandeep Singh + * Basavaraj Natikar + */ + +#ifndef AMDSFH_HID_H +#define AMDSFH_HID_H + +#define MAX_HID_DEVICES 6 +#define AMD_SFH_HID_VENDOR 0x1022 +#define AMD_SFH_HID_PRODUCT 0x0001 + +struct request_list { + struct hid_device *hid; + struct list_head list; + u8 report_id; + u8 sensor_idx; + u8 report_type; + u8 current_index; +}; + +struct amd_input_data { + u32 *sensor_virt_addr[MAX_HID_DEVICES]; + u8 *input_report[MAX_HID_DEVICES]; +}; + +struct amdtp_cl_data { + u8 init_done; + u32 cur_hid_dev; + bool is_any_sensor_enabled; + u32 hid_dev_count; + u32 num_hid_devices; + struct device_info *hid_devices; + u8 *report_descr[MAX_HID_DEVICES]; + int report_descr_sz[MAX_HID_DEVICES]; + struct hid_device *hid_sensor_hubs[MAX_HID_DEVICES]; + u8 *hid_descr[MAX_HID_DEVICES]; + int hid_descr_size[MAX_HID_DEVICES]; + phys_addr_t phys_addr_base; + dma_addr_t sensor_dma_addr[MAX_HID_DEVICES]; + u32 sensor_sts[MAX_HID_DEVICES]; + u32 sensor_requested_cnt[MAX_HID_DEVICES]; + u8 report_type[MAX_HID_DEVICES]; + u8 report_id[MAX_HID_DEVICES]; + u8 sensor_idx[MAX_HID_DEVICES]; + u8 *feature_report[MAX_HID_DEVICES]; + u8 request_done[MAX_HID_DEVICES]; + struct amd_input_data *in_data; + struct delayed_work work; + struct delayed_work work_buffer; + struct request_list req_list; +}; + +/** + * struct amdtp_hid_data - Per instance HID data + * @index: Device index in the order of enumeration + * @request_done: Get Feature/Input report complete flag + * used during get/set request from hid core + * @cli_data: Link to the client instance + * @hid_wait: Completion waitq + * + * Used to tie hid->driver data to driver client instance + */ +struct amdtp_hid_data { + int index; + struct amdtp_cl_data *cli_data; + wait_queue_head_t hid_wait; +}; + +/* Interface functions between HID LL driver and AMD SFH client */ +void hid_amdtp_set_feature(struct hid_device *hid, char *buf, u32 len, int report_id); +void hid_amdtp_get_report(struct hid_device *hid, int report_id, int report_type); +int amdtp_hid_probe(u32 cur_hid_dev, struct amdtp_cl_data *cli_data); +void amdtp_hid_remove(struct amdtp_cl_data *cli_data); +int amd_sfh_get_report(struct hid_device *hid, int report_id, int report_type); +void amd_sfh_set_report(struct hid_device *hid, int report_id, int report_type); +void amdtp_hid_wakeup(struct hid_device *hid); +#endif diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c new file mode 100644 index 0000000000..2530fa98b5 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c @@ -0,0 +1,424 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AMD MP2 PCIe communication driver + * Copyright 2020-2021 Advanced Micro Devices, Inc. + * + * Authors: Shyam Sundar S K + * Sandeep Singh + * Basavaraj Natikar + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "amd_sfh_pcie.h" +#include "sfh1_1/amd_sfh_init.h" + +#define DRIVER_NAME "pcie_mp2_amd" +#define DRIVER_DESC "AMD(R) PCIe MP2 Communication Driver" + +#define ACEL_EN BIT(0) +#define GYRO_EN BIT(1) +#define MAGNO_EN BIT(2) +#define HPD_EN BIT(16) +#define ALS_EN BIT(19) +#define ACS_EN BIT(22) + +static int sensor_mask_override = -1; +module_param_named(sensor_mask, sensor_mask_override, int, 0444); +MODULE_PARM_DESC(sensor_mask, "override the detected sensors mask"); + +static int amd_sfh_wait_response_v2(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts) +{ + union cmd_response cmd_resp; + + /* Get response with status within a max of 1600 ms timeout */ + if (!readl_poll_timeout(mp2->mmio + AMD_P2C_MSG(0), cmd_resp.resp, + (cmd_resp.response_v2.response == sensor_sts && + cmd_resp.response_v2.status == 0 && (sid == 0xff || + cmd_resp.response_v2.sensor_id == sid)), 500, 1600000)) + return cmd_resp.response_v2.response; + + return SENSOR_DISABLED; +} + +static void amd_start_sensor_v2(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info) +{ + union sfh_cmd_base cmd_base; + + cmd_base.ul = 0; + cmd_base.cmd_v2.cmd_id = ENABLE_SENSOR; + cmd_base.cmd_v2.intr_disable = 1; + cmd_base.cmd_v2.period = info.period; + cmd_base.cmd_v2.sensor_id = info.sensor_idx; + cmd_base.cmd_v2.length = 16; + + if (info.sensor_idx == als_idx) + cmd_base.cmd_v2.mem_type = USE_C2P_REG; + + writeq(info.dma_address, privdata->mmio + AMD_C2P_MSG1); + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); +} + +static void amd_stop_sensor_v2(struct amd_mp2_dev *privdata, u16 sensor_idx) +{ + union sfh_cmd_base cmd_base; + + cmd_base.ul = 0; + cmd_base.cmd_v2.cmd_id = DISABLE_SENSOR; + cmd_base.cmd_v2.intr_disable = 1; + cmd_base.cmd_v2.period = 0; + cmd_base.cmd_v2.sensor_id = sensor_idx; + cmd_base.cmd_v2.length = 16; + + writeq(0x0, privdata->mmio + AMD_C2P_MSG1); + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); +} + +static void amd_stop_all_sensor_v2(struct amd_mp2_dev *privdata) +{ + union sfh_cmd_base cmd_base; + + cmd_base.cmd_v2.cmd_id = STOP_ALL_SENSORS; + cmd_base.cmd_v2.intr_disable = 1; + cmd_base.cmd_v2.period = 0; + cmd_base.cmd_v2.sensor_id = 0; + + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); +} + +void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata) +{ + if (readl(privdata->mmio + AMD_P2C_MSG(4))) { + writel(0, privdata->mmio + AMD_P2C_MSG(4)); + writel(0xf, privdata->mmio + AMD_P2C_MSG(5)); + } +} + +void amd_sfh_clear_intr(struct amd_mp2_dev *privdata) +{ + if (privdata->mp2_ops->clear_intr) + privdata->mp2_ops->clear_intr(privdata); +} + +static irqreturn_t amd_sfh_irq_handler(int irq, void *data) +{ + amd_sfh_clear_intr(data); + + return IRQ_HANDLED; +} + +int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata) +{ + int rc; + + pci_intx(privdata->pdev, true); + + rc = devm_request_irq(&privdata->pdev->dev, privdata->pdev->irq, + amd_sfh_irq_handler, 0, DRIVER_NAME, privdata); + if (rc) { + dev_err(&privdata->pdev->dev, "failed to request irq %d err=%d\n", + privdata->pdev->irq, rc); + return rc; + } + + return 0; +} + +static int amd_sfh_dis_sts_v2(struct amd_mp2_dev *privdata) +{ + return (readl(privdata->mmio + AMD_P2C_MSG(1)) & + SENSOR_DISCOVERY_STATUS_MASK) >> SENSOR_DISCOVERY_STATUS_SHIFT; +} + +static void amd_start_sensor(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info) +{ + union sfh_cmd_param cmd_param; + union sfh_cmd_base cmd_base; + + /* fill up command register */ + memset(&cmd_base, 0, sizeof(cmd_base)); + cmd_base.s.cmd_id = ENABLE_SENSOR; + cmd_base.s.period = info.period; + cmd_base.s.sensor_id = info.sensor_idx; + + /* fill up command param register */ + memset(&cmd_param, 0, sizeof(cmd_param)); + cmd_param.s.buf_layout = 1; + cmd_param.s.buf_length = 16; + + writeq(info.dma_address, privdata->mmio + AMD_C2P_MSG2); + writel(cmd_param.ul, privdata->mmio + AMD_C2P_MSG1); + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); +} + +static void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx) +{ + union sfh_cmd_base cmd_base; + + /* fill up command register */ + memset(&cmd_base, 0, sizeof(cmd_base)); + cmd_base.s.cmd_id = DISABLE_SENSOR; + cmd_base.s.period = 0; + cmd_base.s.sensor_id = sensor_idx; + + writeq(0x0, privdata->mmio + AMD_C2P_MSG2); + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); +} + +static void amd_stop_all_sensors(struct amd_mp2_dev *privdata) +{ + union sfh_cmd_base cmd_base; + + /* fill up command register */ + memset(&cmd_base, 0, sizeof(cmd_base)); + cmd_base.s.cmd_id = STOP_ALL_SENSORS; + cmd_base.s.period = 0; + cmd_base.s.sensor_id = 0; + + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); +} + +static const struct dmi_system_id dmi_sensor_mask_overrides[] = { + { + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY x360 Convertible 13-ag0xxx"), + }, + .driver_data = (void *)(ACEL_EN | MAGNO_EN), + }, + { + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY x360 Convertible 15-cp0xxx"), + }, + .driver_data = (void *)(ACEL_EN | MAGNO_EN), + }, + { } +}; + +int amd_mp2_get_sensor_num(struct amd_mp2_dev *privdata, u8 *sensor_id) +{ + int activestatus, num_of_sensors = 0; + const struct dmi_system_id *dmi_id; + + if (sensor_mask_override == -1) { + dmi_id = dmi_first_match(dmi_sensor_mask_overrides); + if (dmi_id) + sensor_mask_override = (long)dmi_id->driver_data; + } + + if (sensor_mask_override >= 0) { + activestatus = sensor_mask_override; + } else { + activestatus = privdata->mp2_acs >> 4; + } + + if (ACEL_EN & activestatus) + sensor_id[num_of_sensors++] = accel_idx; + + if (GYRO_EN & activestatus) + sensor_id[num_of_sensors++] = gyro_idx; + + if (MAGNO_EN & activestatus) + sensor_id[num_of_sensors++] = mag_idx; + + if (ALS_EN & activestatus) + sensor_id[num_of_sensors++] = als_idx; + + if (HPD_EN & activestatus) + sensor_id[num_of_sensors++] = HPD_IDX; + + if (ACS_EN & activestatus) + sensor_id[num_of_sensors++] = ACS_IDX; + + return num_of_sensors; +} + +static void amd_mp2_pci_remove(void *privdata) +{ + struct amd_mp2_dev *mp2 = privdata; + amd_sfh_hid_client_deinit(privdata); + mp2->mp2_ops->stop_all(mp2); + pci_intx(mp2->pdev, false); + amd_sfh_clear_intr(mp2); +} + +static struct amd_mp2_ops amd_sfh_ops_v2 = { + .start = amd_start_sensor_v2, + .stop = amd_stop_sensor_v2, + .stop_all = amd_stop_all_sensor_v2, + .response = amd_sfh_wait_response_v2, + .clear_intr = amd_sfh_clear_intr_v2, + .init_intr = amd_sfh_irq_init_v2, + .discovery_status = amd_sfh_dis_sts_v2, + .remove = amd_mp2_pci_remove, +}; + +static struct amd_mp2_ops amd_sfh_ops = { + .start = amd_start_sensor, + .stop = amd_stop_sensor, + .stop_all = amd_stop_all_sensors, + .remove = amd_mp2_pci_remove, +}; + +static void mp2_select_ops(struct amd_mp2_dev *privdata) +{ + u8 acs; + + privdata->mp2_acs = readl(privdata->mmio + AMD_P2C_MSG3); + acs = privdata->mp2_acs & GENMASK(3, 0); + + switch (acs) { + case V2_STATUS: + privdata->mp2_ops = &amd_sfh_ops_v2; + break; + default: + privdata->mp2_ops = &amd_sfh_ops; + break; + } +} + +int amd_sfh_irq_init(struct amd_mp2_dev *privdata) +{ + if (privdata->mp2_ops->init_intr) + return privdata->mp2_ops->init_intr(privdata); + + return 0; +} + +static const struct dmi_system_id dmi_nodevs[] = { + { + /* + * Google Chromebooks use Chrome OS Embedded Controller Sensor + * Hub instead of Sensor Hub Fusion and leaves MP2 + * uninitialized, which disables all functionalities, even + * including the registers necessary for feature detections. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Google"), + }, + }, + { } +}; + +static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) +{ + struct amd_mp2_dev *privdata; + int rc; + + if (dmi_first_match(dmi_nodevs)) + return -ENODEV; + + privdata = devm_kzalloc(&pdev->dev, sizeof(*privdata), GFP_KERNEL); + if (!privdata) + return -ENOMEM; + + privdata->pdev = pdev; + dev_set_drvdata(&pdev->dev, privdata); + rc = pcim_enable_device(pdev); + if (rc) + return rc; + + rc = pcim_iomap_regions(pdev, BIT(2), DRIVER_NAME); + if (rc) + return rc; + + privdata->mmio = pcim_iomap_table(pdev)[2]; + pci_set_master(pdev); + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (rc) { + dev_err(&pdev->dev, "failed to set DMA mask\n"); + return rc; + } + + privdata->cl_data = devm_kzalloc(&pdev->dev, sizeof(struct amdtp_cl_data), GFP_KERNEL); + if (!privdata->cl_data) + return -ENOMEM; + + privdata->sfh1_1_ops = (const struct amd_sfh1_1_ops *)id->driver_data; + if (privdata->sfh1_1_ops) { + rc = privdata->sfh1_1_ops->init(privdata); + if (rc) + return rc; + goto init_done; + } + + mp2_select_ops(privdata); + + rc = amd_sfh_irq_init(privdata); + if (rc) { + dev_err(&pdev->dev, "amd_sfh_irq_init failed\n"); + return rc; + } + + rc = amd_sfh_hid_client_init(privdata); + if (rc) { + amd_sfh_clear_intr(privdata); + if (rc != -EOPNOTSUPP) + dev_err(&pdev->dev, "amd_sfh_hid_client_init failed\n"); + return rc; + } + +init_done: + amd_sfh_clear_intr(privdata); + + return devm_add_action_or_reset(&pdev->dev, privdata->mp2_ops->remove, privdata); +} + +static void amd_sfh_shutdown(struct pci_dev *pdev) +{ + struct amd_mp2_dev *mp2 = pci_get_drvdata(pdev); + + if (mp2 && mp2->mp2_ops) + mp2->mp2_ops->stop_all(mp2); +} + +static int __maybe_unused amd_mp2_pci_resume(struct device *dev) +{ + struct amd_mp2_dev *mp2 = dev_get_drvdata(dev); + + mp2->mp2_ops->resume(mp2); + + return 0; +} + +static int __maybe_unused amd_mp2_pci_suspend(struct device *dev) +{ + struct amd_mp2_dev *mp2 = dev_get_drvdata(dev); + + mp2->mp2_ops->suspend(mp2); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(amd_mp2_pm_ops, amd_mp2_pci_suspend, + amd_mp2_pci_resume); + +static const struct pci_device_id amd_mp2_pci_tbl[] = { + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_MP2) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_MP2_1_1), + .driver_data = (kernel_ulong_t)&sfh1_1_ops }, + { } +}; +MODULE_DEVICE_TABLE(pci, amd_mp2_pci_tbl); + +static struct pci_driver amd_mp2_pci_driver = { + .name = DRIVER_NAME, + .id_table = amd_mp2_pci_tbl, + .probe = amd_mp2_pci_probe, + .driver.pm = &amd_mp2_pm_ops, + .shutdown = amd_sfh_shutdown, +}; +module_pci_driver(amd_mp2_pci_driver); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_AUTHOR("Shyam Sundar S K "); +MODULE_AUTHOR("Sandeep Singh "); +MODULE_AUTHOR("Basavaraj Natikar "); diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h new file mode 100644 index 0000000000..70add75fc5 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h @@ -0,0 +1,107 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * AMD MP2 PCIe communication driver + * Copyright 2020-2021 Advanced Micro Devices, Inc. + * Authors: Shyam Sundar S K + * Sandeep Singh + * Basavaraj Natikar + */ + +#ifndef PCIE_MP2_AMD_H +#define PCIE_MP2_AMD_H + +#include "amd_sfh_common.h" + +/* MP2 C2P Message Registers */ +#define AMD_C2P_MSG0 0x10500 +#define AMD_C2P_MSG1 0x10504 +#define AMD_C2P_MSG2 0x10508 + +/* MP2 P2C Message Registers */ +#define AMD_P2C_MSG3 0x1068C /* Supported Sensors info */ + +#define V2_STATUS 0x2 + +#define HPD_IDX 16 +#define ACS_IDX 22 + +#define SENSOR_DISCOVERY_STATUS_MASK GENMASK(5, 3) +#define SENSOR_DISCOVERY_STATUS_SHIFT 3 + +/* SFH Command register */ +union sfh_cmd_base { + u32 ul; + struct { + u32 cmd_id : 8; + u32 sensor_id : 8; + u32 period : 16; + } s; + struct { + u32 cmd_id : 4; + u32 intr_disable : 1; + u32 rsvd1 : 3; + u32 length : 7; + u32 mem_type : 1; + u32 sensor_id : 8; + u32 period : 8; + } cmd_v2; +}; + +union cmd_response { + u32 resp; + struct { + u32 status : 2; + u32 out_in_c2p : 1; + u32 rsvd1 : 1; + u32 response : 4; + u32 sub_cmd : 8; + u32 sensor_id : 6; + u32 rsvd2 : 10; + } response_v2; +}; + +union sfh_cmd_param { + u32 ul; + struct { + u32 buf_layout : 2; + u32 buf_length : 6; + u32 rsvd : 24; + } s; +}; + +struct sfh_cmd_reg { + union sfh_cmd_base cmd_base; + union sfh_cmd_param cmd_param; + phys_addr_t phys_addr; +}; + +enum sensor_idx { + accel_idx = 0, + gyro_idx = 1, + mag_idx = 2, + als_idx = 19 +}; + +enum mem_use_type { + USE_DRAM, + USE_C2P_REG, +}; + +struct hpd_status { + union { + struct { + u32 human_presence_report : 4; + u32 human_presence_actual : 4; + u32 probablity : 8; + u32 object_distance : 16; + } shpd; + u32 val; + }; +}; + +int amd_mp2_get_sensor_num(struct amd_mp2_dev *privdata, u8 *sensor_id); +int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata); +int amd_sfh_hid_client_deinit(struct amd_mp2_dev *privdata); +void amd_sfh_set_desc_ops(struct amd_mp2_ops *mp2_ops); + +#endif diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c new file mode 100644 index 0000000000..8716a05950 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c @@ -0,0 +1,282 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AMD SFH Report Descriptor generator + * Copyright 2020-2021 Advanced Micro Devices, Inc. + * Authors: Nehal Bakulchandra Shah + * Sandeep Singh + * Basavaraj Natikar + */ + +#include +#include +#include +#include "amd_sfh_pcie.h" +#include "amd_sfh_hid_desc.h" +#include "amd_sfh_hid_report_desc.h" +#include "amd_sfh_hid.h" + +#define AMD_SFH_FW_MULTIPLIER (1000) +#define HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM 0x41 +#define HID_USAGE_SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM 0x51 +#define HID_DEFAULT_REPORT_INTERVAL 0x50 +#define HID_DEFAULT_MIN_VALUE 0X7F +#define HID_DEFAULT_MAX_VALUE 0x80 +#define HID_DEFAULT_SENSITIVITY 0x7F +#define HID_USAGE_SENSOR_PROPERTY_CONNECTION_TYPE_PC_INTEGRATED_ENUM 0x01 +/* state enums */ +#define HID_USAGE_SENSOR_STATE_READY_ENUM 0x02 +#define HID_USAGE_SENSOR_STATE_INITIALIZING_ENUM 0x05 +#define HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM 0x04 +#define ILLUMINANCE_MASK GENMASK(14, 0) + +static int get_report_descriptor(int sensor_idx, u8 *rep_desc) +{ + switch (sensor_idx) { + case accel_idx: /* accel */ + memset(rep_desc, 0, sizeof(accel3_report_descriptor)); + memcpy(rep_desc, accel3_report_descriptor, + sizeof(accel3_report_descriptor)); + break; + case gyro_idx: /* gyro */ + memset(rep_desc, 0, sizeof(gyro3_report_descriptor)); + memcpy(rep_desc, gyro3_report_descriptor, + sizeof(gyro3_report_descriptor)); + break; + case mag_idx: /* Magnetometer */ + memset(rep_desc, 0, sizeof(comp3_report_descriptor)); + memcpy(rep_desc, comp3_report_descriptor, + sizeof(comp3_report_descriptor)); + break; + case als_idx: /* ambient light sensor */ + case ACS_IDX: /* ambient color sensor */ + memset(rep_desc, 0, sizeof(als_report_descriptor)); + memcpy(rep_desc, als_report_descriptor, + sizeof(als_report_descriptor)); + break; + case HPD_IDX: /* HPD sensor */ + memset(rep_desc, 0, sizeof(hpd_report_descriptor)); + memcpy(rep_desc, hpd_report_descriptor, + sizeof(hpd_report_descriptor)); + break; + default: + break; + } + return 0; +} + +static u32 get_descr_sz(int sensor_idx, int descriptor_name) +{ + switch (sensor_idx) { + case accel_idx: + switch (descriptor_name) { + case descr_size: + return sizeof(accel3_report_descriptor); + case input_size: + return sizeof(struct accel3_input_report); + case feature_size: + return sizeof(struct accel3_feature_report); + } + break; + case gyro_idx: + switch (descriptor_name) { + case descr_size: + return sizeof(gyro3_report_descriptor); + case input_size: + return sizeof(struct gyro_input_report); + case feature_size: + return sizeof(struct gyro_feature_report); + } + break; + case mag_idx: + switch (descriptor_name) { + case descr_size: + return sizeof(comp3_report_descriptor); + case input_size: + return sizeof(struct magno_input_report); + case feature_size: + return sizeof(struct magno_feature_report); + } + break; + case als_idx: + case ACS_IDX: /* ambient color sensor */ + switch (descriptor_name) { + case descr_size: + return sizeof(als_report_descriptor); + case input_size: + return sizeof(struct als_input_report); + case feature_size: + return sizeof(struct als_feature_report); + } + break; + case HPD_IDX: + switch (descriptor_name) { + case descr_size: + return sizeof(hpd_report_descriptor); + case input_size: + return sizeof(struct hpd_input_report); + case feature_size: + return sizeof(struct hpd_feature_report); + } + break; + + default: + break; + } + return 0; +} + +static void get_common_features(struct common_feature_property *common, int report_id) +{ + common->report_id = report_id; + common->connection_type = HID_USAGE_SENSOR_PROPERTY_CONNECTION_TYPE_PC_INTEGRATED_ENUM; + common->report_state = HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM; + common->power_state = HID_USAGE_SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM; + common->sensor_state = HID_USAGE_SENSOR_STATE_INITIALIZING_ENUM; + common->report_interval = HID_DEFAULT_REPORT_INTERVAL; +} + +static u8 get_feature_report(int sensor_idx, int report_id, u8 *feature_report) +{ + struct accel3_feature_report acc_feature; + struct gyro_feature_report gyro_feature; + struct magno_feature_report magno_feature; + struct hpd_feature_report hpd_feature; + struct als_feature_report als_feature; + u8 report_size = 0; + + if (!feature_report) + return report_size; + + switch (sensor_idx) { + case accel_idx: /* accel */ + get_common_features(&acc_feature.common_property, report_id); + acc_feature.accel_change_sesnitivity = HID_DEFAULT_SENSITIVITY; + acc_feature.accel_sensitivity_min = HID_DEFAULT_MIN_VALUE; + acc_feature.accel_sensitivity_max = HID_DEFAULT_MAX_VALUE; + memcpy(feature_report, &acc_feature, sizeof(acc_feature)); + report_size = sizeof(acc_feature); + break; + case gyro_idx: /* gyro */ + get_common_features(&gyro_feature.common_property, report_id); + gyro_feature.gyro_change_sesnitivity = HID_DEFAULT_SENSITIVITY; + gyro_feature.gyro_sensitivity_min = HID_DEFAULT_MIN_VALUE; + gyro_feature.gyro_sensitivity_max = HID_DEFAULT_MAX_VALUE; + memcpy(feature_report, &gyro_feature, sizeof(gyro_feature)); + report_size = sizeof(gyro_feature); + break; + case mag_idx: /* Magnetometer */ + get_common_features(&magno_feature.common_property, report_id); + magno_feature.magno_headingchange_sensitivity = HID_DEFAULT_SENSITIVITY; + magno_feature.heading_min = HID_DEFAULT_MIN_VALUE; + magno_feature.heading_max = HID_DEFAULT_MAX_VALUE; + magno_feature.flux_change_sensitivity = HID_DEFAULT_MIN_VALUE; + magno_feature.flux_min = HID_DEFAULT_MIN_VALUE; + magno_feature.flux_max = HID_DEFAULT_MAX_VALUE; + memcpy(feature_report, &magno_feature, sizeof(magno_feature)); + report_size = sizeof(magno_feature); + break; + case als_idx: /* ambient light sensor */ + case ACS_IDX: /* ambient color sensor */ + get_common_features(&als_feature.common_property, report_id); + als_feature.als_change_sesnitivity = HID_DEFAULT_SENSITIVITY; + als_feature.als_sensitivity_min = HID_DEFAULT_MIN_VALUE; + als_feature.als_sensitivity_max = HID_DEFAULT_MAX_VALUE; + memcpy(feature_report, &als_feature, sizeof(als_feature)); + report_size = sizeof(als_feature); + break; + case HPD_IDX: /* human presence detection sensor */ + get_common_features(&hpd_feature.common_property, report_id); + memcpy(feature_report, &hpd_feature, sizeof(hpd_feature)); + report_size = sizeof(hpd_feature); + break; + + default: + break; + } + return report_size; +} + +static void get_common_inputs(struct common_input_property *common, int report_id) +{ + common->report_id = report_id; + common->sensor_state = HID_USAGE_SENSOR_STATE_READY_ENUM; + common->event_type = HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM; +} + +static u8 get_input_report(u8 current_index, int sensor_idx, int report_id, + struct amd_input_data *in_data) +{ + struct amd_mp2_dev *privdata = container_of(in_data, struct amd_mp2_dev, in_data); + u32 *sensor_virt_addr = in_data->sensor_virt_addr[current_index]; + u8 *input_report = in_data->input_report[current_index]; + u8 supported_input = privdata->mp2_acs & GENMASK(3, 0); + struct magno_input_report magno_input; + struct accel3_input_report acc_input; + struct gyro_input_report gyro_input; + struct hpd_input_report hpd_input; + struct als_input_report als_input; + struct hpd_status hpdstatus; + u8 report_size = 0; + + if (!sensor_virt_addr || !input_report) + return report_size; + + switch (sensor_idx) { + case accel_idx: /* accel */ + get_common_inputs(&acc_input.common_property, report_id); + acc_input.in_accel_x_value = (int)sensor_virt_addr[0] / AMD_SFH_FW_MULTIPLIER; + acc_input.in_accel_y_value = (int)sensor_virt_addr[1] / AMD_SFH_FW_MULTIPLIER; + acc_input.in_accel_z_value = (int)sensor_virt_addr[2] / AMD_SFH_FW_MULTIPLIER; + memcpy(input_report, &acc_input, sizeof(acc_input)); + report_size = sizeof(acc_input); + break; + case gyro_idx: /* gyro */ + get_common_inputs(&gyro_input.common_property, report_id); + gyro_input.in_angel_x_value = (int)sensor_virt_addr[0] / AMD_SFH_FW_MULTIPLIER; + gyro_input.in_angel_y_value = (int)sensor_virt_addr[1] / AMD_SFH_FW_MULTIPLIER; + gyro_input.in_angel_z_value = (int)sensor_virt_addr[2] / AMD_SFH_FW_MULTIPLIER; + memcpy(input_report, &gyro_input, sizeof(gyro_input)); + report_size = sizeof(gyro_input); + break; + case mag_idx: /* Magnetometer */ + get_common_inputs(&magno_input.common_property, report_id); + magno_input.in_magno_x = (int)sensor_virt_addr[0] / AMD_SFH_FW_MULTIPLIER; + magno_input.in_magno_y = (int)sensor_virt_addr[1] / AMD_SFH_FW_MULTIPLIER; + magno_input.in_magno_z = (int)sensor_virt_addr[2] / AMD_SFH_FW_MULTIPLIER; + magno_input.in_magno_accuracy = (u16)sensor_virt_addr[3] / AMD_SFH_FW_MULTIPLIER; + memcpy(input_report, &magno_input, sizeof(magno_input)); + report_size = sizeof(magno_input); + break; + case als_idx: /* Als */ + case ACS_IDX: /* ambient color sensor */ + get_common_inputs(&als_input.common_property, report_id); + /* For ALS ,V2 Platforms uses C2P_MSG5 register instead of DRAM access method */ + if (supported_input == V2_STATUS) + als_input.illuminance_value = + readl(privdata->mmio + AMD_C2P_MSG(5)) & ILLUMINANCE_MASK; + else + als_input.illuminance_value = + (int)sensor_virt_addr[0] / AMD_SFH_FW_MULTIPLIER; + report_size = sizeof(als_input); + memcpy(input_report, &als_input, sizeof(als_input)); + break; + case HPD_IDX: /* hpd */ + get_common_inputs(&hpd_input.common_property, report_id); + hpdstatus.val = readl(privdata->mmio + AMD_C2P_MSG(4)); + hpd_input.human_presence = hpdstatus.shpd.human_presence_actual; + report_size = sizeof(hpd_input); + memcpy(input_report, &hpd_input, sizeof(hpd_input)); + break; + default: + break; + } + return report_size; +} + +void amd_sfh_set_desc_ops(struct amd_mp2_ops *mp2_ops) +{ + mp2_ops->get_rep_desc = get_report_descriptor; + mp2_ops->get_feat_rep = get_feature_report; + mp2_ops->get_in_rep = get_input_report; + mp2_ops->get_desc_sz = get_descr_sz; +} diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h new file mode 100644 index 0000000000..ebd55675eb --- /dev/null +++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h @@ -0,0 +1,114 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * HID report descriptors, structures and routines + * Copyright 2020-2021 Advanced Micro Devices, Inc. + * Authors: Nehal Bakulchandra Shah + * Sandeep Singh + * Basavaraj Natikar + */ + +#ifndef AMD_SFH_HID_DESCRIPTOR_H +#define AMD_SFH_HID_DESCRIPTOR_H + +enum desc_type { + /* Report descriptor name */ + descr_size = 1, + input_size, + feature_size, +}; + +struct common_feature_property { + /* common properties */ + u8 report_id; + u8 connection_type; + u8 report_state; + u8 power_state; + u8 sensor_state; + u32 report_interval; +} __packed; + +struct common_input_property { + /* common properties */ + u8 report_id; + u8 sensor_state; + u8 event_type; +} __packed; + +struct accel3_feature_report { + struct common_feature_property common_property; + /* properties specific to this sensor */ + u16 accel_change_sesnitivity; + s16 accel_sensitivity_max; + s16 accel_sensitivity_min; +} __packed; + +struct accel3_input_report { + struct common_input_property common_property; + /* values specific to this sensor */ + int in_accel_x_value; + int in_accel_y_value; + int in_accel_z_value; + /* include if required to support the "shake" event */ + u8 in_accel_shake_detection; +} __packed; + +struct gyro_feature_report { + struct common_feature_property common_property; + /* properties specific to this sensor */ + u16 gyro_change_sesnitivity; + s16 gyro_sensitivity_max; + s16 gyro_sensitivity_min; +} __packed; + +struct gyro_input_report { + struct common_input_property common_property; + /* values specific to this sensor */ + int in_angel_x_value; + int in_angel_y_value; + int in_angel_z_value; +} __packed; + +struct magno_feature_report { + struct common_feature_property common_property; + /*properties specific to this sensor */ + u16 magno_headingchange_sensitivity; + s16 heading_min; + s16 heading_max; + u16 flux_change_sensitivity; + s16 flux_min; + s16 flux_max; +} __packed; + +struct magno_input_report { + struct common_input_property common_property; + int in_magno_x; + int in_magno_y; + int in_magno_z; + int in_magno_accuracy; +} __packed; + +struct als_feature_report { + struct common_feature_property common_property; + /* properties specific to this sensor */ + u16 als_change_sesnitivity; + s16 als_sensitivity_max; + s16 als_sensitivity_min; +} __packed; + +struct als_input_report { + struct common_input_property common_property; + /* values specific to this sensor */ + int illuminance_value; +} __packed; + +struct hpd_feature_report { + struct common_feature_property common_property; +} __packed; + +struct hpd_input_report { + struct common_input_property common_property; + /* values specific to human presence sensor */ + u8 human_presence; +} __packed; + +#endif diff --git a/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h new file mode 100644 index 0000000000..697f2791ea --- /dev/null +++ b/drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h @@ -0,0 +1,758 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * HID descriptor stuructures + * Copyright 2020-2021 Advanced Micro Devices, Inc. + * Authors: Nehal Bakulchandra Shah + * Sandeep Singh + * Basavaraj Natikar + */ + +#ifndef AMD_SFH_HID_REPORT_DESCRIPTOR_H +#define AMD_SFH_HID_REPORT_DESCRIPTOR_H + +// Accelerometer 3D Sensor +static const u8 accel3_report_descriptor[] = { +0x05, 0x20, /* Usage page */ +0x09, 0x73, /* Motion type Accel 3D */ +0xA1, 0x00, /* HID Collection (Physical) */ + +//feature reports(xmit/receive) +0x85, 1, /* HID Report ID */ +0x05, 0x20, /* HID usage page sensor */ +0x0A, 0x09, 0x03, /* Sensor property and sensor connection type */ +0x15, 0, /* HID logical MIN_8(0) */ +0x25, 2, /* HID logical MAX_8(2) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection (logical) */ +0x0A, 0x30, 0x08, /* Sensor property connection type intergated sel*/ +0x0A, 0x31, 0x08, /* Sensor property connection type attached sel */ +0x0A, 0x32, 0x08, /* Sensor property connection type external sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x16, 0x03, /* HID usage sensor property reporting state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x40, 0x08, /* Sensor property report state no events sel */ +0x0A, 0x41, 0x08, /* Sensor property report state all events sel */ +0x0A, 0x42, 0x08, /* Sensor property report state threshold events sel */ +0x0A, 0x43, 0x08, /* Sensor property report state no events wake sel */ +0x0A, 0x44, 0x08, /* Sensor property report state all events wake sel */ +0x0A, 0x45, 0x08, /* Sensor property report state threshold events wake sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x19, 0x03, /* HID usage sensor property power state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x50, 0x08, /* Sensor property power state undefined sel */ +0x0A, 0x51, 0x08, /* Sensor property power state D0 full power sel */ +0x0A, 0x52, 0x08, /* Sensor property power state D1 low power sel */ +0x0A, 0x53, 0x08, /* Sensor property power state D2 standby with wake sel */ +0x0A, 0x54, 0x08, /* Sensor property power state D3 sleep with wake sel */ +0x0A, 0x55, 0x08, /* Sensor property power state D4 power off sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x0E, 0x03, /* HID usage sensor property report interval */ +0x15, 0, /* HID logical Min_8(0) */ +0x27, 0xFF, 0xFF, 0xFF, 0xFF, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count(1) */ +0x55, 0, /* HID unit exponent(0) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x52, 0x14, /* Sensor data motion accel and mod change sensitivity ABS) */ + +0x15, 0, /* HID logical Min_8(0) */ +0x26, 0xFF, 0xFF, /* HID logical Max_16(0xFF,0xFF) */ + +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x52, 0x24, /* HID usage sensor data (motion accel and mod max) */ + +0x16, 0x01, 0x80, /* HID logical Min_16(0x01,0x80) */ + +0x26, 0xFF, 0x7F, /* HID logical Max_16(0xFF,0x7F) */ + +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x52, 0x34, /* HID usage sensor data (motion accel and mod min) */ + +0x16, 0x01, 0x80, /* HID logical Min_16(0x01,0x80) */ + +0x26, 0xFF, 0x7F, /* HID logical Max_16(0xFF,0x7F) */ + +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ + +//input report (transmit) +0x05, 0x20, /* HID usage page sensors */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x02, 0x02, /* HID usage sensor event */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x10, 0x08, /* HID usage sensor event unknown sel */ +0x0A, 0x11, 0x08, /* HID usage sensor event state changed sel */ +0x0A, 0x12, 0x08, /* HID usage sensor event property changed sel */ +0x0A, 0x13, 0x08, /* HID usage sensor event data updated sel */ +0x0A, 0x14, 0x08, /* HID usage sensor event poll response sel */ +0x0A, 0x15, 0x08, /* HID usage sensor event change sensitivity sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x53, 0x04, /* HID usage sensor data motion Acceleration X axis */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ + +0x27, 0xFF, 0xff, 0XFF, 0XFF, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0x0A, 0x54, 0x04, /* HID usage sensor data motion Acceleration Y axis */ +0x17, 0X00, 0X00, 0x01, 0x80, /* HID logical Min_32 */ + +0x27, 0xFF, 0xFF, 0XFF, 0XFF, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0x0A, 0x55, 0x04, /* HID usage sensor data motion Acceleration Z axis */ +0x17, 0X00, 0X00, 0x01, 0x80, /* HID logical Min_32 */ + +0x27, 0XFF, 0XFF, 0xFF, 0x7F, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ + +0x0A, 0x51, 0x04, /* HID usage sensor data motion state */ +0x15, 0, /* HID logical Min_8(0) False = Still*/ +0x25, 1, /* HID logical Min_8(1) True = In motion */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0xC0 /* HID end collection */ +}; + +static const u8 gyro3_report_descriptor[] = { +0x05, 0x20, /* Usage page */ +0x09, 0x76, /* Motion type Gyro3D */ +0xA1, 0x00, /* HID Collection (Physical) */ + +0x85, 2, /* HID Report ID */ +0x05, 0x20, /* HID usage page sensor */ +0x0A, 0x09, 0x03, /* Sensor property and sensor connection type */ +0x15, 0, /* HID logical MIN_8(0) */ +0x25, 2, /* HID logical MAX_8(2) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection (logical) */ +0x0A, 0x30, 0x08, /* Sensor property connection type intergated sel */ +0x0A, 0x31, 0x08, /* Sensor property connection type attached sel */ +0x0A, 0x32, 0x08, /* Sensor property connection type external sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x16, 0x03, /* HID usage sensor property reporting state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x40, 0x08, /* Sensor reporting state no events sel */ +0x0A, 0x41, 0x08, /* Sensor reporting state all events sel */ +0x0A, 0x42, 0x08, /* Sensor reporting state threshold events sel */ +0x0A, 0x43, 0x08, /* Sensor reporting state no events wake sel */ +0x0A, 0x44, 0x08, /* Sensor reporting state all events wake sel */ +0x0A, 0x45, 0x08, /* Sensor reporting state threshold events wake sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x19, 0x03, /* HID usage sensor property power state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x50, 0x08, /* Sensor power state undefined sel */ +0x0A, 0x51, 0x08, /* Sensor power state D0 full power sel */ +0x0A, 0x52, 0x08, /* Sensor power state D1 low power sel */ +0x0A, 0x53, 0x08, /* Sensor power state D2 standby with wake sel */ +0x0A, 0x54, 0x08, /* Sensor power state D3 sleep with wake sel */ +0x0A, 0x55, 0x08, /* Sensor power state D4 power off sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x0E, 0x03, /* HID usage sensor property report interval */ +0x15, 0, /* HID logical Min_8(0) */ +0x27, 0xFF, 0xFF, 0xFF, 0xFF, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count(1) */ +0x55, 0, /* HID unit exponent(0) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x56, 0x14, /* Angular velocity and mod change sensitivity ABS)*/ + +0x15, 0, /* HID logical Min_8(0) */ +0x26, 0xFF, 0xFF, /* HID logical Max_16(0xFF,0xFF) */ + +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x56, 0x24, /* Sensor data (motion angular velocity and mod max) */ + +0x16, 0x01, 0x80, /* HID logical Min_16(0x01,0x80) */ + +0x26, 0xFF, 0x7F, /* HID logical Max_16(0xFF,0x7F) */ + +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x56, 0x34, /* HID usage sensor data (motion accel and mod min) */ + +0x16, 0x01, 0x80, /* HID logical Min_16(0x01,0x80) */ + +0x26, 0xFF, 0x7F, /* HID logical Max_16(0xFF,0x7F) */ + +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ + +//Input reports(transmit) +0x05, 0x20, /* HID usage page sensors */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x02, 0x02, /* HID usage sensor event */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x10, 0x08, /* HID usage sensor event unknown sel */ +0x0A, 0x11, 0x08, /* HID usage sensor event state changed sel */ +0x0A, 0x12, 0x08, /* HID usage sensor event property changed sel */ +0x0A, 0x13, 0x08, /* HID usage sensor event data updated sel */ +0x0A, 0x14, 0x08, /* HID usage sensor event poll response sel */ +0x0A, 0x15, 0x08, /* HID usage sensor event change sensitivity sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x57, 0x04, /* Sensor data motion Angular velocity X axis */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ + +0x27, 0xFF, 0xFF, 0xFF, 0x7F, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0x0A, 0x58, 0x04, /* Sensor data motion Angular velocity Y axis */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ + +0x27, 0xFF, 0xFF, 0xFF, 0x7F, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0x0A, 0x59, 0x04, /* Sensor data motion Angular velocity Z axis */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ + +0x27, 0xFF, 0xFF, 0xFF, 0x7F, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ + +0xC0, /* HID end collection */ +}; + +static const u8 comp3_report_descriptor[] = { +0x05, 0x20, /* Usage page */ +0x09, 0x83, /* Motion type Orientation compass 3D */ +0xA1, 0x00, /* HID Collection (Physical) */ + +0x85, 3, /* HID Report ID */ +0x05, 0x20, /* HID usage page sensor */ +0x0A, 0x09, 0x03, /* Sensor property and sensor connection type */ +0x15, 0, /* HID logical MIN_8(0) */ +0x25, 2, /* HID logical MAX_8(2) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection (logical) */ +0x0A, 0x30, 0x08, /* Sensor property connection type intergated sel */ +0x0A, 0x31, 0x08, /* Sensor property connection type attached sel */ +0x0A, 0x32, 0x08, /* Sensor property connection type external sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x16, 0x03, /* HID usage sensor property reporting state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x40, 0x08, /* Sensor reporting state no events sel */ +0x0A, 0x41, 0x08, /* Sensor reporting state all events sel */ +0x0A, 0x42, 0x08, /* Sensor reporting state threshold events sel */ +0x0A, 0x43, 0x08, /* Sensor reporting state no events wake sel */ +0x0A, 0x44, 0x08, /* Sensor reporting state all events wake sel */ +0x0A, 0x45, 0x08, /* Sensor reporting state threshold events wake sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x19, 0x03, /* HID usage sensor property power state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x50, 0x08, /* Sensor power state undefined sel */ +0x0A, 0x51, 0x08, /* Sensor power state D0 full power sel */ +0x0A, 0x52, 0x08, /* Sensor power state D1 low power sel */ +0x0A, 0x53, 0x08, /* Sensor power state D2 standby with wake sel */ +0x0A, 0x54, 0x08, /* Sensor power state D3 sleep with wake sel */ +0x0A, 0x55, 0x08, /* Sensor power state D4 power off sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x0E, 0x03, /* HID usage sensor property report interval */ +0x15, 0, /* HID logical Min_8(0) */ +0x27, 0xFF, 0xFF, 0xFF, 0xFF, /* HID logical Max_32 */ +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count(1) */ +0x55, 0, /* HID unit exponent(0) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x71, 0x14, /* Orientation and mod change sensitivity ABS)*/ +0x15, 0, /* HID logical Min_8(0) */ +0x26, 0xFF, 0xFF, /* HID logical Max_16(0xFF,0xFF) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x71, 0x24, /* Sensor data (motion orientation and mod max) */ +0x16, 0x01, 0x80, /* HID logical Min_16(0x01,0x80) */ +0x26, 0xFF, 0x7F, /* HID logical Max_16(0xFF,0x7F) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0F, /* HID unit exponent(0x0F) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x71, 0x34, /* Sensor data (motion orientation and mod min) */ +0x16, 0x01, 0x80, /* HID logical Min_16(0x01,0x80) */ +0x26, 0xFF, 0x7F, /* HID logical Max_16(0xFF,0x7F) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0F, /* HID unit exponent(0x0F) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x84, 0x14, /* Maganetic flux and change sensitivity ABS) */ +0x15, 0, /* HID logical Min_8(0) */ +0x26, 0xFF, 0xFF, /* HID logical Max_16(0xFF,0xFF) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x84, 0x24, /* Maganetic flux and mod change sensitivity Max) */ +0x16, 0x01, 0x80, /* HID logical Min_16(0x01,0x80) */ +0x26, 0xFF, 0x7F, /* HID logical Max_16(0xFF,0x7F) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0F, /* HID unit exponent(0x0F) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0x84, 0x34, /* Maganetic flux and mod change sensitivity Min */ +0x16, 0x01, 0x80, /* HID logical Min_16(0x01,0x80) */ +0x26, 0xFF, 0x7F, /* HID logical Max_16(0xFF,0x7F) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0F, /* HID unit exponent(0x0F) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ + +//Input reports(transmit) +0x05, 0x20, /* HID usage page sensors */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x02, 0x02, /* HID usage sensor event */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x10, 0x08, /* HID usage sensor event unknown sel */ +0x0A, 0x11, 0x08, /* HID usage sensor event state changed sel */ +0x0A, 0x12, 0x08, /* HID usage sensor event property changed sel */ +0x0A, 0x13, 0x08, /* HID usage sensor event data updated sel */ +0x0A, 0x14, 0x08, /* HID usage sensor event poll response sel */ +0x0A, 0x15, 0x08, /* HID usage sensor event change sensitivity sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x85, 0x04, /* Sensor data orientation magnetic flux X axis */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ +0x27, 0xFF, 0xFF, 0xFF, 0x7F, /* HID logical Max_32 */ +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0D, /* HID unit exponent(0x0D) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0x0A, 0x86, 0x04, /* Sensor data orientation magnetic flux Y axis */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ +0x27, 0xFF, 0xFF, 0xFF, 0x7F, /* HID logical Max_32 */ +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0D, /* HID unit exponent(0x0D) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0x0A, 0x87, 0x04, /* Sensor data orientation magnetic flux Z axis */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ +0x27, 0xFF, 0xFF, 0xFF, 0x7F, /* HID logical Max_32 */ +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0x55, 0x0D, /* HID unit exponent(0x0D) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0x0A, 0x88, 0x04, /* Sensor data orientation magnetometer accuracy */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ +0x27, 0xFF, 0xFF, 0xFF, 0x7F, /* HID logical Max_32 */ +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0xC0 /* HID end collection */ +}; + +static const u8 als_report_descriptor[] = { +0x05, 0x20, /* HID usage page sensor */ +0x09, 0x41, /* HID usage sensor type Ambientlight */ +0xA1, 0x00, /* HID Collection (Physical) */ + +//feature reports(xmit/receive)// +0x85, 4, /* HID Report ID */ +0x05, 0x20, /* HID usage page sensor */ +0x0A, 0x09, 0x03, /* Sensor property and sensor connection type */ +0x15, 0, /* HID logical MIN_8(0) */ +0x25, 2, /* HID logical MAX_8(2) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection (logical) */ +0x0A, 0x30, 0x08, /* Sensor property connection type intergated sel */ +0x0A, 0x31, 0x08, /* Sensor property connection type attached sel */ +0x0A, 0x32, 0x08, /* Sensor property connection type external sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x16, 0x03, /* HID usage sensor property reporting state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x40, 0x08, /* Sensor reporting state no events sel */ +0x0A, 0x41, 0x08, /* Sensor reporting state all events sel */ +0x0A, 0x42, 0x08, /* Sensor reporting state threshold events sel */ +0x0A, 0x43, 0x08, /* Sensor reporting state no events wake sel */ +0x0A, 0x44, 0x08, /* Sensor reporting state all events wake sel */ +0x0A, 0x45, 0x08, /* Sensor reporting state threshold events wake sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x19, 0x03, /* HID usage sensor property power state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x50, 0x08, /* Sensor power state undefined sel */ +0x0A, 0x51, 0x08, /* Sensor power state D0 full power sel */ +0x0A, 0x52, 0x08, /* Sensor power state D1 low power sel */ +0x0A, 0x53, 0x08, /* Sensor power state D2 standby with wake sel */ +0x0A, 0x54, 0x08, /* Sensor power state D3 sleep with wake sel */ +0x0A, 0x55, 0x08, /* Sensor power state D4 power off sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x0E, 0x03, /* HID usage sensor property report interval */ +0x15, 0, /* HID logical Min_8(0) */ +0x27, 0xFF, 0xFF, 0xFF, 0xFF, /* HID logical Max_32 */ +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count(1) */ +0x55, 0, /* HID unit exponent(0) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0xD1, 0xE4, /* Light illuminance and sensitivity REL PCT) */ +0x15, 0, /* HID logical Min_8(0) */ +0x26, 0x10, 0x27, /* HID logical Max_16(0x10,0x27) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0E, /* HID unit exponent(0x0E) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0xD1, 0x24, /* Sensor data (Light illuminance and mod max) */ +0x15, 0, /* HID logical Min_8(0) */ +0x26, 0xFF, 0xFF, /* HID logical Max_16(0xFF,0xFF) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0F, /* HID unit exponent(0x0F) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ +0x0A, 0xD1, 0x34, /* Sensor data (Light illuminance and mod min) */ +0x15, 0, /* HID logical Min_8(0) */ +0x26, 0xFF, 0xFF, /* HID logical Max_16(0xFF,0xFF) */ +0x75, 16, /* HID report size(16) */ +0x95, 1, /* HID report count(1) */ +0x55, 0x0F, /* HID unit exponent(0x0F) */ +0xB1, 0x02, /* HID feature (Data_Arr_Abs) */ + +//Input reports (transmit) +0x05, 0x20, /* HID usage page sensors */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x02, 0x02, /* HID usage sensor event */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x10, 0x08, /* HID usage sensor event unknown sel */ +0x0A, 0x11, 0x08, /* HID usage sensor event state changed sel */ +0x0A, 0x12, 0x08, /* HID usage sensor event property changed sel */ +0x0A, 0x13, 0x08, /* HID usage sensor event data updated sel */ +0x0A, 0x14, 0x08, /* HID usage sensor event poll response sel */ +0x0A, 0x15, 0x08, /* HID usage sensor event change sensitivity sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0xD1, 0x04, /* HID usage sensor data light illuminance */ +0x17, 0x00, 0x00, 0x01, 0x80, /* HID logical Min_32 */ +0x27, 0xFF, 0xFF, 0xFF, 0x7F, /* HID logical Max_32 */ +0x55, 0x0F, /* HID unit exponent(0x0F) */ +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count (1) */ +0X81, 0x02, /* HID Input (Data_Arr_Abs) */ +0xC0 /* HID end collection */ +}; + +/* BIOMETRIC PRESENCE*/ +static const u8 hpd_report_descriptor[] = { +0x05, 0x20, /* Usage page */ +0x09, 0x11, /* BIOMETRIC PRESENCE */ +0xA1, 0x00, /* HID Collection (Physical) */ + +//feature reports(xmit/receive) +0x85, 5, /* HID Report ID */ +0x05, 0x20, /* HID usage page sensor */ +0x0A, 0x09, 0x03, /* Sensor property and sensor connection type */ +0x15, 0, /* HID logical MIN_8(0) */ +0x25, 2, /* HID logical MAX_8(2) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection (logical) */ +0x0A, 0x30, 0x08, /* Sensor property connection type intergated sel*/ +0x0A, 0x31, 0x08, /* Sensor property connection type attached sel */ +0x0A, 0x32, 0x08, /* Sensor property connection type external sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x16, 0x03, /* HID usage sensor property reporting state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x40, 0x08, /* Sensor property report state no events sel */ +0x0A, 0x41, 0x08, /* Sensor property report state all events sel */ +0x0A, 0x42, 0x08, /* Sensor property report state threshold events sel */ +0x0A, 0x43, 0x08, /* Sensor property report state no events wake sel */ +0x0A, 0x44, 0x08, /* Sensor property report state all events wake sel */ +0x0A, 0x45, 0x08, /* Sensor property report state threshold events wake sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x19, 0x03, /* HID usage sensor property power state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x50, 0x08, /* Sensor property power state undefined sel */ +0x0A, 0x51, 0x08, /* Sensor property power state D0 full power sel */ +0x0A, 0x52, 0x08, /* Sensor property power state D1 low power sel */ +0x0A, 0x53, 0x08, /* Sensor property power state D2 standby with wake sel */ +0x0A, 0x54, 0x08, /* Sensor property power state D3 sleep with wake sel */ +0x0A, 0x55, 0x08, /* Sensor property power state D4 power off sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count(1) */ +0xA1, 0x02, /* HID collection(logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0xB1, 0x00, /* HID feature (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x0E, 0x03, /* HID usage sensor property report interval */ +0x15, 0, /* HID logical Min_8(0) */ +0x27, 0xFF, 0xFF, 0xFF, 0xFF, /* HID logical Max_32 */ + +0x75, 32, /* HID report size(32) */ +0x95, 1, /* HID report count(1) */ +0x55, 0, /* HID unit exponent(0) */ +0xB1, 0x02, /* HID feature (Data_Var_Abs) */ + +//input report (transmit) +0x05, 0x20, /* HID usage page sensors */ +0x0A, 0x01, 0x02, /* HID usage sensor state */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 6, /* HID logical Max_8(6) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x00, 0x08, /* HID usage sensor state unknown sel */ +0x0A, 0x01, 0x08, /* HID usage sensor state ready sel */ +0x0A, 0x02, 0x08, /* HID usage sensor state not available sel */ +0x0A, 0x03, 0x08, /* HID usage sensor state no data sel */ +0x0A, 0x04, 0x08, /* HID usage sensor state initializing sel */ +0x0A, 0x05, 0x08, /* HID usage sensor state access denied sel */ +0x0A, 0x06, 0x08, /* HID usage sensor state error sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0x02, 0x02, /* HID usage sensor event */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 5, /* HID logical Max_8(5) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0xA1, 0x02, /* HID end collection (logical) */ +0x0A, 0x10, 0x08, /* HID usage sensor event unknown sel */ +0x0A, 0x11, 0x08, /* HID usage sensor event state changed sel */ +0x0A, 0x12, 0x08, /* HID usage sensor event property changed sel */ +0x0A, 0x13, 0x08, /* HID usage sensor event data updated sel */ +0x0A, 0x14, 0x08, /* HID usage sensor event poll response sel */ +0x0A, 0x15, 0x08, /* HID usage sensor event change sensitivity sel */ +0X81, 0x00, /* HID Input (Data_Arr_Abs) */ +0xC0, /* HID end collection */ +0x0A, 0xB1, 0x04, /* HID usage sensor data BIOMETRIC HUMAN PRESENCE */ +0x15, 0, /* HID logical Min_8(0) */ +0x25, 1, /* HID logical Max_8(1) */ +0x75, 8, /* HID report size(8) */ +0x95, 1, /* HID report count (1) */ +0X81, 0x02, /* HID Input (Data_Var_Abs) */ +0xC0 /* HID end collection */ +}; +#endif 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 new file mode 100644 index 0000000000..06bdcf072d --- /dev/null +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c @@ -0,0 +1,316 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AMD MP2 1.1 descriptor interfaces + * + * Copyright (c) 2022, Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Author: Basavaraj Natikar + */ + +#include + +#include "amd_sfh_interface.h" +#include "../hid_descriptor/amd_sfh_hid_desc.h" +#include "../hid_descriptor/amd_sfh_hid_report_desc.h" + +#define SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM 0x41 +#define SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM 0x51 +#define HID_DEFAULT_REPORT_INTERVAL 0x50 +#define HID_DEFAULT_MIN_VALUE 0X7F +#define HID_DEFAULT_MAX_VALUE 0x80 +#define HID_DEFAULT_SENSITIVITY 0x7F +#define HID_USAGE_SENSOR_PROPERTY_CONNECTION_TYPE_PC_INTEGRATED_ENUM 0x01 +/* state enums */ +#define HID_USAGE_SENSOR_STATE_READY_ENUM 0x02 +#define HID_USAGE_SENSOR_STATE_INITIALIZING_ENUM 0x05 +#define HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM 0x04 + +static int get_report_desc(int sensor_idx, u8 *rep_desc) +{ + switch (sensor_idx) { + case ACCEL_IDX: /* accelerometer */ + memset(rep_desc, 0, sizeof(accel3_report_descriptor)); + memcpy(rep_desc, accel3_report_descriptor, + sizeof(accel3_report_descriptor)); + break; + case GYRO_IDX: /* gyroscope */ + memset(rep_desc, 0, sizeof(gyro3_report_descriptor)); + memcpy(rep_desc, gyro3_report_descriptor, + sizeof(gyro3_report_descriptor)); + break; + case MAG_IDX: /* magnetometer */ + memset(rep_desc, 0, sizeof(comp3_report_descriptor)); + memcpy(rep_desc, comp3_report_descriptor, + sizeof(comp3_report_descriptor)); + break; + case ALS_IDX: /* ambient light sensor */ + memset(rep_desc, 0, sizeof(als_report_descriptor)); + memcpy(rep_desc, als_report_descriptor, + sizeof(als_report_descriptor)); + break; + case HPD_IDX: /* HPD sensor */ + memset(rep_desc, 0, sizeof(hpd_report_descriptor)); + memcpy(rep_desc, hpd_report_descriptor, + sizeof(hpd_report_descriptor)); + break; + } + return 0; +} + +static void get_common_features(struct common_feature_property *common, int report_id) +{ + common->report_id = report_id; + common->connection_type = HID_USAGE_SENSOR_PROPERTY_CONNECTION_TYPE_PC_INTEGRATED_ENUM; + common->report_state = SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM; + common->power_state = SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM; + common->sensor_state = HID_USAGE_SENSOR_STATE_INITIALIZING_ENUM; + common->report_interval = HID_DEFAULT_REPORT_INTERVAL; +} + +static u8 get_feature_rep(int sensor_idx, int report_id, u8 *feature_report) +{ + struct magno_feature_report magno_feature; + struct accel3_feature_report acc_feature; + struct gyro_feature_report gyro_feature; + struct hpd_feature_report hpd_feature; + struct als_feature_report als_feature; + u8 report_size = 0; + + if (!feature_report) + return report_size; + + switch (sensor_idx) { + case ACCEL_IDX: /* accelerometer */ + get_common_features(&acc_feature.common_property, report_id); + acc_feature.accel_change_sesnitivity = HID_DEFAULT_SENSITIVITY; + acc_feature.accel_sensitivity_min = HID_DEFAULT_MIN_VALUE; + acc_feature.accel_sensitivity_max = HID_DEFAULT_MAX_VALUE; + memcpy(feature_report, &acc_feature, sizeof(acc_feature)); + report_size = sizeof(acc_feature); + break; + case GYRO_IDX: /* gyroscope */ + get_common_features(&gyro_feature.common_property, report_id); + gyro_feature.gyro_change_sesnitivity = HID_DEFAULT_SENSITIVITY; + gyro_feature.gyro_sensitivity_min = HID_DEFAULT_MIN_VALUE; + gyro_feature.gyro_sensitivity_max = HID_DEFAULT_MAX_VALUE; + memcpy(feature_report, &gyro_feature, sizeof(gyro_feature)); + report_size = sizeof(gyro_feature); + break; + case MAG_IDX: /* magnetometer */ + get_common_features(&magno_feature.common_property, report_id); + magno_feature.magno_headingchange_sensitivity = HID_DEFAULT_SENSITIVITY; + magno_feature.heading_min = HID_DEFAULT_MIN_VALUE; + magno_feature.heading_max = HID_DEFAULT_MAX_VALUE; + magno_feature.flux_change_sensitivity = HID_DEFAULT_MIN_VALUE; + magno_feature.flux_min = HID_DEFAULT_MIN_VALUE; + magno_feature.flux_max = HID_DEFAULT_MAX_VALUE; + memcpy(feature_report, &magno_feature, sizeof(magno_feature)); + report_size = sizeof(magno_feature); + break; + case ALS_IDX: /* ambient light sensor */ + get_common_features(&als_feature.common_property, report_id); + als_feature.als_change_sesnitivity = HID_DEFAULT_SENSITIVITY; + als_feature.als_sensitivity_min = HID_DEFAULT_MIN_VALUE; + als_feature.als_sensitivity_max = HID_DEFAULT_MAX_VALUE; + memcpy(feature_report, &als_feature, sizeof(als_feature)); + report_size = sizeof(als_feature); + break; + case HPD_IDX: /* human presence detection sensor */ + get_common_features(&hpd_feature.common_property, report_id); + memcpy(feature_report, &hpd_feature, sizeof(hpd_feature)); + report_size = sizeof(hpd_feature); + break; + } + return report_size; +} + +static void get_common_inputs(struct common_input_property *common, int report_id) +{ + common->report_id = report_id; + common->sensor_state = HID_USAGE_SENSOR_STATE_READY_ENUM; + common->event_type = HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM; +} + +static int float_to_int(u32 flt32_val) +{ + int fraction, shift, mantissa, sign, exp, zeropre; + + mantissa = flt32_val & GENMASK(22, 0); + sign = (flt32_val & BIT(31)) ? -1 : 1; + exp = (flt32_val & ~BIT(31)) >> 23; + + if (!exp && !mantissa) + return 0; + + /* + * Calculate the exponent and fraction part of floating + * point representation. + */ + exp -= 127; + if (exp < 0) { + exp = -exp; + if (exp >= BITS_PER_TYPE(u32)) + return 0; + zeropre = (((BIT(23) + mantissa) * 100) >> 23) >> exp; + return zeropre >= 50 ? sign : 0; + } + + shift = 23 - exp; + if (abs(shift) >= BITS_PER_TYPE(u32)) + return 0; + + if (shift < 0) { + shift = -shift; + flt32_val = BIT(exp) + (mantissa << shift); + shift = 0; + } else { + flt32_val = BIT(exp) + (mantissa >> shift); + } + + fraction = (shift == 0) ? 0 : mantissa & GENMASK(shift - 1, 0); + + return (((fraction * 100) >> shift) >= 50) ? sign * (flt32_val + 1) : sign * flt32_val; +} + +static u8 get_input_rep(u8 current_index, int sensor_idx, int report_id, + struct amd_input_data *in_data) +{ + struct amd_mp2_dev *mp2 = container_of(in_data, struct amd_mp2_dev, in_data); + u8 *input_report = in_data->input_report[current_index]; + struct magno_input_report magno_input; + struct accel3_input_report acc_input; + struct gyro_input_report gyro_input; + struct als_input_report als_input; + struct hpd_input_report hpd_input; + struct sfh_accel_data accel_data; + struct sfh_gyro_data gyro_data; + struct sfh_mag_data mag_data; + struct sfh_als_data als_data; + struct hpd_status hpdstatus; + void __iomem *sensoraddr; + u8 report_size = 0; + + if (!input_report) + return report_size; + + switch (sensor_idx) { + case ACCEL_IDX: /* accelerometer */ + sensoraddr = mp2->vsbase + (ACCEL_IDX * SENSOR_DATA_MEM_SIZE_DEFAULT) + + OFFSET_SENSOR_DATA_DEFAULT; + memcpy_fromio(&accel_data, sensoraddr, sizeof(struct sfh_accel_data)); + get_common_inputs(&acc_input.common_property, report_id); + acc_input.in_accel_x_value = float_to_int(accel_data.acceldata.x) / 100; + acc_input.in_accel_y_value = float_to_int(accel_data.acceldata.y) / 100; + acc_input.in_accel_z_value = float_to_int(accel_data.acceldata.z) / 100; + memcpy(input_report, &acc_input, sizeof(acc_input)); + report_size = sizeof(acc_input); + break; + case GYRO_IDX: /* gyroscope */ + sensoraddr = mp2->vsbase + (GYRO_IDX * SENSOR_DATA_MEM_SIZE_DEFAULT) + + OFFSET_SENSOR_DATA_DEFAULT; + memcpy_fromio(&gyro_data, sensoraddr, sizeof(struct sfh_gyro_data)); + get_common_inputs(&gyro_input.common_property, report_id); + gyro_input.in_angel_x_value = float_to_int(gyro_data.gyrodata.x) / 1000; + gyro_input.in_angel_y_value = float_to_int(gyro_data.gyrodata.y) / 1000; + gyro_input.in_angel_z_value = float_to_int(gyro_data.gyrodata.z) / 1000; + memcpy(input_report, &gyro_input, sizeof(gyro_input)); + report_size = sizeof(gyro_input); + break; + case MAG_IDX: /* magnetometer */ + sensoraddr = mp2->vsbase + (MAG_IDX * SENSOR_DATA_MEM_SIZE_DEFAULT) + + OFFSET_SENSOR_DATA_DEFAULT; + memcpy_fromio(&mag_data, sensoraddr, sizeof(struct sfh_mag_data)); + get_common_inputs(&magno_input.common_property, report_id); + magno_input.in_magno_x = float_to_int(mag_data.magdata.x) / 100; + magno_input.in_magno_y = float_to_int(mag_data.magdata.y) / 100; + magno_input.in_magno_z = float_to_int(mag_data.magdata.z) / 100; + magno_input.in_magno_accuracy = mag_data.accuracy / 100; + memcpy(input_report, &magno_input, sizeof(magno_input)); + report_size = sizeof(magno_input); + break; + case ALS_IDX: + sensoraddr = mp2->vsbase + (ALS_IDX * SENSOR_DATA_MEM_SIZE_DEFAULT) + + OFFSET_SENSOR_DATA_DEFAULT; + memcpy_fromio(&als_data, sensoraddr, sizeof(struct sfh_als_data)); + get_common_inputs(&als_input.common_property, report_id); + als_input.illuminance_value = float_to_int(als_data.lux); + report_size = sizeof(als_input); + memcpy(input_report, &als_input, sizeof(als_input)); + break; + case HPD_IDX: + get_common_inputs(&hpd_input.common_property, report_id); + hpdstatus.val = readl(mp2->mmio + AMD_C2P_MSG(4)); + hpd_input.human_presence = hpdstatus.shpd.presence; + report_size = sizeof(hpd_input); + memcpy(input_report, &hpd_input, sizeof(hpd_input)); + break; + } + return report_size; +} + +static u32 get_desc_size(int sensor_idx, int descriptor_name) +{ + switch (sensor_idx) { + case ACCEL_IDX: + switch (descriptor_name) { + case descr_size: + return sizeof(accel3_report_descriptor); + case input_size: + return sizeof(struct accel3_input_report); + case feature_size: + return sizeof(struct accel3_feature_report); + } + break; + case GYRO_IDX: + switch (descriptor_name) { + case descr_size: + return sizeof(gyro3_report_descriptor); + case input_size: + return sizeof(struct gyro_input_report); + case feature_size: + return sizeof(struct gyro_feature_report); + } + break; + case MAG_IDX: + switch (descriptor_name) { + case descr_size: + return sizeof(comp3_report_descriptor); + case input_size: + return sizeof(struct magno_input_report); + case feature_size: + return sizeof(struct magno_feature_report); + } + break; + case ALS_IDX: + switch (descriptor_name) { + case descr_size: + return sizeof(als_report_descriptor); + case input_size: + return sizeof(struct als_input_report); + case feature_size: + return sizeof(struct als_feature_report); + } + break; + case HPD_IDX: + switch (descriptor_name) { + case descr_size: + return sizeof(hpd_report_descriptor); + case input_size: + return sizeof(struct hpd_input_report); + case feature_size: + return sizeof(struct hpd_feature_report); + } + break; + } + + return 0; +} + +void amd_sfh1_1_set_desc_ops(struct amd_mp2_ops *mp2_ops) +{ + mp2_ops->get_rep_desc = get_report_desc; + mp2_ops->get_feat_rep = get_feature_rep; + mp2_ops->get_desc_sz = get_desc_size; + mp2_ops->get_in_rep = get_input_rep; +} 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 new file mode 100644 index 0000000000..e9c6413af2 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c @@ -0,0 +1,325 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AMD MP2 1.1 communication driver + * + * Copyright (c) 2022, Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Author: Basavaraj Natikar + */ + +#include +#include + +#include "amd_sfh_init.h" +#include "amd_sfh_interface.h" +#include "../hid_descriptor/amd_sfh_hid_desc.h" + +static int amd_sfh_get_sensor_num(struct amd_mp2_dev *mp2, u8 *sensor_id) +{ + struct sfh_sensor_list *slist; + struct sfh_base_info binfo; + int num_of_sensors = 0; + int i; + + memcpy_fromio(&binfo, mp2->vsbase, sizeof(struct sfh_base_info)); + slist = &binfo.sbase.s_list; + + for (i = 0; i < MAX_IDX; i++) { + switch (i) { + case ACCEL_IDX: + case GYRO_IDX: + case MAG_IDX: + case ALS_IDX: + case HPD_IDX: + if (BIT(i) & slist->sl.sensors) + sensor_id[num_of_sensors++] = i; + break; + } + } + + return num_of_sensors; +} + +static u32 amd_sfh_wait_for_response(struct amd_mp2_dev *mp2, u8 sid, u32 cmd_id) +{ + if (mp2->mp2_ops->response) + return mp2->mp2_ops->response(mp2, sid, cmd_id); + + return 0; +} + +static const char *get_sensor_name(int idx) +{ + switch (idx) { + case ACCEL_IDX: + return "accelerometer"; + case GYRO_IDX: + return "gyroscope"; + case MAG_IDX: + return "magnetometer"; + case ALS_IDX: + return "ALS"; + case HPD_IDX: + return "HPD"; + default: + return "unknown sensor type"; + } +} + +static int amd_sfh_hid_client_deinit(struct amd_mp2_dev *privdata) +{ + struct amdtp_cl_data *cl_data = privdata->cl_data; + int i, status; + + for (i = 0; i < cl_data->num_hid_devices; i++) { + if (cl_data->sensor_sts[i] == SENSOR_ENABLED) { + privdata->mp2_ops->stop(privdata, cl_data->sensor_idx[i]); + status = amd_sfh_wait_for_response + (privdata, cl_data->sensor_idx[i], DISABLE_SENSOR); + if (status == 0) + cl_data->sensor_sts[i] = SENSOR_DISABLED; + dev_dbg(&privdata->pdev->dev, "stopping sid 0x%x (%s) status 0x%x\n", + cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), + cl_data->sensor_sts[i]); + } + } + + cancel_delayed_work_sync(&cl_data->work); + cancel_delayed_work_sync(&cl_data->work_buffer); + amdtp_hid_remove(cl_data); + + return 0; +} + +static int amd_sfh1_1_hid_client_init(struct amd_mp2_dev *privdata) +{ + struct amd_input_data *in_data = &privdata->in_data; + struct amdtp_cl_data *cl_data = privdata->cl_data; + struct amd_mp2_ops *mp2_ops = privdata->mp2_ops; + struct amd_mp2_sensor_info info; + struct request_list *req_list; + u32 feature_report_size; + u32 input_report_size; + struct device *dev; + int rc, i, status; + u8 cl_idx; + + req_list = &cl_data->req_list; + dev = &privdata->pdev->dev; + amd_sfh1_1_set_desc_ops(mp2_ops); + + cl_data->num_hid_devices = amd_sfh_get_sensor_num(privdata, &cl_data->sensor_idx[0]); + if (cl_data->num_hid_devices == 0) + return -ENODEV; + cl_data->is_any_sensor_enabled = false; + + INIT_DELAYED_WORK(&cl_data->work, amd_sfh_work); + INIT_DELAYED_WORK(&cl_data->work_buffer, amd_sfh_work_buffer); + INIT_LIST_HEAD(&req_list->list); + cl_data->in_data = in_data; + + for (i = 0; i < cl_data->num_hid_devices; i++) { + cl_data->sensor_sts[i] = SENSOR_DISABLED; + cl_data->sensor_requested_cnt[i] = 0; + cl_data->cur_hid_dev = i; + cl_idx = cl_data->sensor_idx[i]; + + cl_data->report_descr_sz[i] = mp2_ops->get_desc_sz(cl_idx, descr_size); + if (!cl_data->report_descr_sz[i]) { + rc = -EINVAL; + goto cleanup; + } + feature_report_size = mp2_ops->get_desc_sz(cl_idx, feature_size); + if (!feature_report_size) { + rc = -EINVAL; + goto cleanup; + } + input_report_size = mp2_ops->get_desc_sz(cl_idx, input_size); + if (!input_report_size) { + rc = -EINVAL; + goto cleanup; + } + cl_data->feature_report[i] = devm_kzalloc(dev, feature_report_size, GFP_KERNEL); + if (!cl_data->feature_report[i]) { + rc = -ENOMEM; + goto cleanup; + } + in_data->input_report[i] = devm_kzalloc(dev, input_report_size, GFP_KERNEL); + if (!in_data->input_report[i]) { + rc = -ENOMEM; + goto cleanup; + } + + info.sensor_idx = cl_idx; + + cl_data->report_descr[i] = + devm_kzalloc(dev, cl_data->report_descr_sz[i], GFP_KERNEL); + if (!cl_data->report_descr[i]) { + rc = -ENOMEM; + goto cleanup; + } + rc = mp2_ops->get_rep_desc(cl_idx, cl_data->report_descr[i]); + if (rc) + goto cleanup; + + writel(0, privdata->mmio + AMD_P2C_MSG(0)); + mp2_ops->start(privdata, info); + status = amd_sfh_wait_for_response + (privdata, cl_data->sensor_idx[i], ENABLE_SENSOR); + + cl_data->sensor_sts[i] = (status == 0) ? SENSOR_ENABLED : SENSOR_DISABLED; + } + + for (i = 0; i < cl_data->num_hid_devices; i++) { + cl_data->cur_hid_dev = i; + if (cl_data->sensor_sts[i] == SENSOR_ENABLED) { + cl_data->is_any_sensor_enabled = true; + rc = amdtp_hid_probe(i, cl_data); + if (rc) + goto cleanup; + } + dev_dbg(dev, "sid 0x%x (%s) status 0x%x\n", + cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), + cl_data->sensor_sts[i]); + } + + if (!cl_data->is_any_sensor_enabled) { + dev_warn(dev, "Failed to discover, sensors not enabled is %d\n", + cl_data->is_any_sensor_enabled); + rc = -EOPNOTSUPP; + goto cleanup; + } + + schedule_delayed_work(&cl_data->work_buffer, msecs_to_jiffies(AMD_SFH_IDLE_LOOP)); + return 0; + +cleanup: + amd_sfh_hid_client_deinit(privdata); + for (i = 0; i < cl_data->num_hid_devices; i++) { + devm_kfree(dev, cl_data->feature_report[i]); + devm_kfree(dev, in_data->input_report[i]); + devm_kfree(dev, cl_data->report_descr[i]); + } + return rc; +} + +static void amd_sfh_resume(struct amd_mp2_dev *mp2) +{ + struct amdtp_cl_data *cl_data = mp2->cl_data; + struct amd_mp2_sensor_info info; + int i, status; + + for (i = 0; i < cl_data->num_hid_devices; i++) { + if (cl_data->sensor_sts[i] == SENSOR_DISABLED) { + info.sensor_idx = cl_data->sensor_idx[i]; + mp2->mp2_ops->start(mp2, info); + status = amd_sfh_wait_for_response + (mp2, cl_data->sensor_idx[i], ENABLE_SENSOR); + if (status == 0) + status = SENSOR_ENABLED; + if (status == SENSOR_ENABLED) + cl_data->sensor_sts[i] = SENSOR_ENABLED; + dev_dbg(&mp2->pdev->dev, "resume sid 0x%x (%s) status 0x%x\n", + cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), + cl_data->sensor_sts[i]); + } + } + + schedule_delayed_work(&cl_data->work_buffer, msecs_to_jiffies(AMD_SFH_IDLE_LOOP)); + amd_sfh_clear_intr(mp2); +} + +static void amd_sfh_suspend(struct amd_mp2_dev *mp2) +{ + struct amdtp_cl_data *cl_data = mp2->cl_data; + int i, status; + + for (i = 0; i < cl_data->num_hid_devices; i++) { + if (cl_data->sensor_idx[i] != HPD_IDX && + cl_data->sensor_sts[i] == SENSOR_ENABLED) { + mp2->mp2_ops->stop(mp2, cl_data->sensor_idx[i]); + status = amd_sfh_wait_for_response + (mp2, cl_data->sensor_idx[i], DISABLE_SENSOR); + if (status == 0) + status = SENSOR_DISABLED; + if (status != SENSOR_ENABLED) + cl_data->sensor_sts[i] = SENSOR_DISABLED; + dev_dbg(&mp2->pdev->dev, "suspend sid 0x%x (%s) status 0x%x\n", + cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), + cl_data->sensor_sts[i]); + } + } + + cancel_delayed_work_sync(&cl_data->work_buffer); + amd_sfh_clear_intr(mp2); +} + +static void amd_mp2_pci_remove(void *privdata) +{ + struct amd_mp2_dev *mp2 = privdata; + + amd_sfh_hid_client_deinit(privdata); + mp2->mp2_ops->stop_all(mp2); + pci_intx(mp2->pdev, false); + amd_sfh_clear_intr(mp2); +} + +static void amd_sfh_set_ops(struct amd_mp2_dev *mp2) +{ + struct amd_mp2_ops *mp2_ops; + + sfh_interface_init(mp2); + mp2_ops = mp2->mp2_ops; + mp2_ops->clear_intr = amd_sfh_clear_intr_v2, + mp2_ops->init_intr = amd_sfh_irq_init_v2, + mp2_ops->suspend = amd_sfh_suspend; + mp2_ops->resume = amd_sfh_resume; + mp2_ops->remove = amd_mp2_pci_remove; +} + +int amd_sfh1_1_init(struct amd_mp2_dev *mp2) +{ + u32 phy_base = readl(mp2->mmio + AMD_C2P_MSG(22)); + struct device *dev = &mp2->pdev->dev; + struct sfh_base_info binfo; + int rc; + + phy_base <<= 21; + if (!devm_request_mem_region(dev, phy_base, 128 * 1024, "amd_sfh")) { + dev_dbg(dev, "can't reserve mmio registers\n"); + return -ENOMEM; + } + + mp2->vsbase = devm_ioremap(dev, phy_base, 128 * 1024); + if (!mp2->vsbase) { + dev_dbg(dev, "failed to remap vsbase\n"); + return -ENOMEM; + } + + /* Before accessing give time for SFH firmware for processing configuration */ + msleep(5000); + + memcpy_fromio(&binfo, mp2->vsbase, sizeof(struct sfh_base_info)); + if (binfo.sbase.fw_info.fw_ver == 0 || binfo.sbase.s_list.sl.sensors == 0) { + dev_dbg(dev, "failed to get sensors\n"); + return -EOPNOTSUPP; + } + dev_dbg(dev, "firmware version 0x%x\n", binfo.sbase.fw_info.fw_ver); + + amd_sfh_set_ops(mp2); + + rc = amd_sfh_irq_init(mp2); + if (rc) { + dev_err(dev, "amd_sfh_irq_init failed\n"); + return rc; + } + + rc = amd_sfh1_1_hid_client_init(mp2); + if (rc) { + dev_err(dev, "amd_sfh1_1_hid_client_init failed\n"); + return rc; + } + + return rc; +} diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.h b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.h new file mode 100644 index 0000000000..21c44990bb --- /dev/null +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * AMD MP2 1.1 initialization structures + * + * Copyright (c) 2022, Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Author: Basavaraj Natikar + */ + +#ifndef AMD_SFH_INIT_H +#define AMD_SFH_INIT_H + +#include "../amd_sfh_common.h" + +struct amd_sfh1_1_ops { + int (*init)(struct amd_mp2_dev *mp2); +}; + +int amd_sfh1_1_init(struct amd_mp2_dev *mp2); + +static const struct amd_sfh1_1_ops __maybe_unused sfh1_1_ops = { + .init = amd_sfh1_1_init, +}; + +#endif 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 new file mode 100644 index 0000000000..4f81ef2d4f --- /dev/null +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AMD MP2 1.1 communication interfaces + * + * Copyright (c) 2022, Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Author: Basavaraj Natikar + */ +#include +#include + +#include "amd_sfh_interface.h" + +static int amd_sfh_wait_response(struct amd_mp2_dev *mp2, u8 sid, u32 cmd_id) +{ + struct sfh_cmd_response cmd_resp; + + /* Get response with status within a max of 10000 ms timeout */ + if (!readl_poll_timeout(mp2->mmio + AMD_P2C_MSG(0), cmd_resp.resp, + (cmd_resp.response.response == 0 && + cmd_resp.response.cmd_id == cmd_id && (sid == 0xff || + cmd_resp.response.sensor_id == sid)), 500, 10000000)) + return cmd_resp.response.response; + + return -1; +} + +static void amd_start_sensor(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info) +{ + struct sfh_cmd_base cmd_base; + + cmd_base.ul = 0; + cmd_base.cmd.cmd_id = ENABLE_SENSOR; + cmd_base.cmd.intr_disable = 0; + cmd_base.cmd.sub_cmd_value = 1; + cmd_base.cmd.sensor_id = info.sensor_idx; + + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG(0)); +} + +static void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx) +{ + struct sfh_cmd_base cmd_base; + + cmd_base.ul = 0; + cmd_base.cmd.cmd_id = DISABLE_SENSOR; + cmd_base.cmd.intr_disable = 0; + cmd_base.cmd.sub_cmd_value = 1; + cmd_base.cmd.sensor_id = sensor_idx; + + writeq(0x0, privdata->mmio + AMD_C2P_MSG(1)); + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG(0)); +} + +static void amd_stop_all_sensor(struct amd_mp2_dev *privdata) +{ + struct sfh_cmd_base cmd_base; + + cmd_base.ul = 0; + cmd_base.cmd.cmd_id = DISABLE_SENSOR; + cmd_base.cmd.intr_disable = 0; + /* 0xf indicates all sensors */ + cmd_base.cmd.sensor_id = 0xf; + + writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG(0)); +} + +static struct amd_mp2_ops amd_sfh_ops = { + .start = amd_start_sensor, + .stop = amd_stop_sensor, + .stop_all = amd_stop_all_sensor, + .response = amd_sfh_wait_response, +}; + +void sfh_interface_init(struct amd_mp2_dev *mp2) +{ + mp2->mp2_ops = &amd_sfh_ops; +} 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 new file mode 100644 index 0000000000..9d31d5b510 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h @@ -0,0 +1,154 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * AMD MP2 1.1 communication interfaces + * + * Copyright (c) 2022, Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Author: Basavaraj Natikar + */ + +#ifndef AMD_SFH_INTERFACE_H +#define AMD_SFH_INTERFACE_H + +#include "../amd_sfh_common.h" + +#define SENSOR_DATA_MEM_SIZE_DEFAULT 256 +#define TOTAL_STATIC_MEM_DEFAULT 1024 +#define OFFSET_SFH_INFO_BASE_DEFAULT 0 +#define OFFSET_SENSOR_DATA_DEFAULT (OFFSET_SFH_INFO_BASE_DEFAULT + \ + TOTAL_STATIC_MEM_DEFAULT) +enum sensor_index { + ACCEL_IDX, + GYRO_IDX, + MAG_IDX, + ALS_IDX = 4, + HPD_IDX = 5, + MAX_IDX = 15, +}; + +struct sfh_cmd_base { + union { + u32 ul; + struct { + u32 sensor_id : 4; + u32 cmd_id : 4; + u32 sub_cmd_id : 8; + u32 sub_cmd_value : 12; + u32 rsvd : 3; + u32 intr_disable : 1; + } cmd; + }; +}; + +struct sfh_cmd_response { + union { + u32 resp; + struct { + u32 response : 8; + u32 sensor_id : 4; + u32 cmd_id : 4; + u32 sub_cmd : 6; + u32 rsvd2 : 10; + } response; + }; +}; + +struct sfh_platform_info { + union { + u32 pi; + struct { + u32 cust_id : 16; + u32 plat_id : 6; + u32 interface_id : 4; + u32 rsvd : 6; + } pinfo; + }; +}; + +struct sfh_firmware_info { + union { + u32 fw_ver; + struct { + u32 minor_rev : 8; + u32 major_rev : 8; + u32 minor_ver : 8; + u32 major_ver : 8; + } fver; + }; +}; + +struct sfh_sensor_list { + union { + u32 slist; + struct { + u32 sensors : 16; + u32 rsvd : 16; + } sl; + }; +}; + +struct sfh_base_info { + union { + u32 sfh_base[24]; + struct { + struct sfh_platform_info plat_info; + struct sfh_firmware_info fw_info; + struct sfh_sensor_list s_list; + } sbase; + }; +}; + +struct sfh_common_data { + u64 timestamp; + u32 intr_cnt; + u32 featvalid : 16; + u32 rsvd : 13; + u32 sensor_state : 3; +}; + +struct sfh_float32 { + u32 x; + u32 y; + u32 z; +}; + +struct sfh_accel_data { + struct sfh_common_data commondata; + struct sfh_float32 acceldata; + u32 accelstatus; +}; + +struct sfh_gyro_data { + struct sfh_common_data commondata; + struct sfh_float32 gyrodata; + u32 result; +}; + +struct sfh_mag_data { + struct sfh_common_data commondata; + struct sfh_float32 magdata; + u32 accuracy; +}; + +struct sfh_als_data { + struct sfh_common_data commondata; + u32 lux; +}; + +struct hpd_status { + union { + struct { + u32 distance : 16; + u32 probablity : 8; + u32 presence : 2; + u32 rsvd : 5; + u32 state : 1; + } shpd; + u32 val; + }; +}; + +void sfh_interface_init(struct amd_mp2_dev *mp2); +void amd_sfh1_1_set_desc_ops(struct amd_mp2_ops *mp2_ops); +#endif -- cgit v1.2.3