diff options
author | Jiri Kosina <jkosina@suse.cz> | 2022-08-02 22:21:46 +0300 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2022-08-02 22:21:46 +0300 |
commit | c556717541c0c34bff887db92057964f0ff74582 (patch) | |
tree | 98e9ebad0ac8aaa1c37107207e561caaf0b630b6 /drivers/hid | |
parent | 1117d182c5d72abd7eb8b7d5e7b8c3373181c3ab (diff) | |
parent | 5d4d0f15657535f6a122ab26d47230b5c2b944af (diff) | |
download | linux-c556717541c0c34bff887db92057964f0ff74582.tar.xz |
Merge branch 'for-5.20/amd-sfh' into for-linus
- support for AMD SOCs using SFH1.1 memory access (Basavaraj Natikar)
Diffstat (limited to 'drivers/hid')
-rw-r--r-- | drivers/hid/amd-sfh-hid/Makefile | 3 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_client.c | 117 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_common.h | 76 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_hid.c | 12 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_hid.h | 12 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_pcie.c | 75 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_pcie.h | 52 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c | 17 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h | 3 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c | 300 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c | 324 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.h | 26 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c | 75 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h | 154 |
14 files changed, 1103 insertions, 143 deletions
diff --git a/drivers/hid/amd-sfh-hid/Makefile b/drivers/hid/amd-sfh-hid/Makefile index 35e704da5612..0222170ab7ad 100644 --- a/drivers/hid/amd-sfh-hid/Makefile +++ b/drivers/hid/amd-sfh-hid/Makefile @@ -9,5 +9,8 @@ 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 index 0f770a2b47ff..8275bba63611 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -18,18 +18,6 @@ #include "amd_sfh_pcie.h" #include "amd_sfh_hid.h" - -struct request_list { - struct hid_device *hid; - struct list_head list; - u8 report_id; - u8 sensor_idx; - u8 report_type; - u8 current_index; -}; - -static struct request_list req_list; - void amd_sfh_set_report(struct hid_device *hid, int report_id, int report_type) { @@ -50,6 +38,7 @@ 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++) { @@ -66,7 +55,7 @@ int amd_sfh_get_report(struct hid_device *hid, int report_id, int 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); + list_add(&new->list, &req_list->list); break; } } @@ -74,16 +63,19 @@ int amd_sfh_get_report(struct hid_device *hid, int report_id, int report_type) return 0; } -static void amd_sfh_work(struct work_struct *work) +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); + 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; @@ -91,9 +83,11 @@ static void amd_sfh_work(struct work_struct *work) 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 = get_feature_report(sensor_index, report_id, - cli_data->feature_report[current_index]); + 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], @@ -102,7 +96,7 @@ static void amd_sfh_work(struct work_struct *work) pr_err("AMDSFH: Invalid report size\n"); } else if (node_type == HID_INPUT_REPORT) { - report_size = get_input_report(current_index, sensor_index, report_id, in_data); + 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], @@ -115,17 +109,19 @@ static void amd_sfh_work(struct work_struct *work) amdtp_hid_wakeup(cli_data->hid_sensor_hubs[current_index]); } -static void amd_sfh_work_buffer(struct work_struct *work) +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) { - report_size = get_input_report - (i, cli_data->sensor_idx[i], cli_data->report_id[i], in_data); + 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); } @@ -133,7 +129,7 @@ static void amd_sfh_work_buffer(struct work_struct *work) schedule_delayed_work(&cli_data->work_buffer, msecs_to_jiffies(AMD_SFH_IDLE_LOOP)); } -u32 amd_sfh_wait_for_response(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts) +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); @@ -141,7 +137,7 @@ u32 amd_sfh_wait_for_response(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts) return sensor_sts; } -const char *get_sensor_name(int idx) +static const char *get_sensor_name(int idx) { switch (idx) { case accel_idx: @@ -159,24 +155,82 @@ const char *get_sensor_name(int idx) } } +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, status; 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; 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); + INIT_LIST_HEAD(&req_list->list); cl_data->in_data = in_data; for (i = 0; i < cl_data->num_hid_devices; i++) { @@ -187,17 +241,17 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) 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] = get_descr_sz(cl_idx, descr_size); + 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 = get_descr_sz(cl_idx, feature_size); + feature_report_size = mp2_ops->get_desc_sz(cl_idx, feature_size); if (!feature_report_size) { rc = -EINVAL; goto cleanup; } - input_report_size = get_descr_sz(cl_idx, input_size); + input_report_size = mp2_ops->get_desc_sz(cl_idx, input_size); if (!input_report_size) { rc = -EINVAL; goto cleanup; @@ -222,17 +276,17 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) rc = -ENOMEM; goto cleanup; } - rc = get_report_descriptor(cl_idx, cl_data->report_descr[i]); + rc = mp2_ops->get_rep_desc(cl_idx, cl_data->report_descr[i]); if (rc) return rc; - privdata->mp2_ops->start(privdata, info); + mp2_ops->start(privdata, info); status = amd_sfh_wait_for_response (privdata, cl_data->sensor_idx[i], SENSOR_ENABLED); if (status == SENSOR_ENABLED) { cl_data->sensor_sts[i] = SENSOR_ENABLED; rc = amdtp_hid_probe(cl_data->cur_hid_dev, cl_data); if (rc) { - privdata->mp2_ops->stop(privdata, cl_data->sensor_idx[i]); + 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) @@ -248,8 +302,7 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) cl_data->sensor_idx[i], get_sensor_name(cl_data->sensor_idx[i]), cl_data->sensor_sts[i]); } - if (privdata->mp2_ops->discovery_status && - privdata->mp2_ops->discovery_status(privdata) == 0) { + if (mp2_ops->discovery_status && mp2_ops->discovery_status(privdata) == 0) { amd_sfh_hid_client_deinit(privdata); for (i = 0; i < cl_data->num_hid_devices; i++) { devm_kfree(dev, cl_data->feature_report[i]); 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 000000000000..2643bb14fee2 --- /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 <Basavaraj.Natikar@amd.com> + */ +#ifndef AMD_SFH_COMMON_H +#define AMD_SFH_COMMON_H + +#include <linux/pci.h> +#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 index 1089134030b0..1b18291fc5af 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_hid.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.c @@ -101,11 +101,15 @@ static int amdtp_wait_for_response(struct hid_device *hid) void amdtp_hid_wakeup(struct hid_device *hid) { - struct amdtp_hid_data *hid_data = hid->driver_data; - struct amdtp_cl_data *cli_data = hid_data->cli_data; + struct amdtp_hid_data *hid_data; + struct amdtp_cl_data *cli_data; - cli_data->request_done[cli_data->cur_hid_dev] = true; - wake_up_interruptible(&hid_data->hid_wait); + 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 struct hid_ll_driver amdtp_hid_ll_driver = { diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_hid.h b/drivers/hid/amd-sfh-hid/amd_sfh_hid.h index ad264db63180..3754fb423e3a 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_hid.h +++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.h @@ -15,6 +15,15 @@ #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]; @@ -43,6 +52,7 @@ struct amdtp_cl_data { struct amd_input_data *in_data; struct delayed_work work; struct delayed_work work_buffer; + struct request_list req_list; }; /** @@ -69,6 +79,4 @@ 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); -u8 get_input_report(u8 current_index, int sensor_idx, int report_id, - struct amd_input_data *in_data); #endif diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c index 1441787a154a..4b90c86ee5f8 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c @@ -19,6 +19,7 @@ #include <linux/slab.h> #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" @@ -92,7 +93,7 @@ static void amd_stop_all_sensor_v2(struct amd_mp2_dev *privdata) writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); } -static void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata) +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)); @@ -100,7 +101,7 @@ static void amd_sfh_clear_intr_v2(struct amd_mp2_dev *privdata) } } -static void amd_sfh_clear_intr(struct amd_mp2_dev *privdata) +void amd_sfh_clear_intr(struct amd_mp2_dev *privdata) { if (privdata->mp2_ops->clear_intr) privdata->mp2_ops->clear_intr(privdata); @@ -113,7 +114,7 @@ static irqreturn_t amd_sfh_irq_handler(int irq, void *data) return IRQ_HANDLED; } -static int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata) +int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata) { int rc; @@ -136,7 +137,7 @@ static int amd_sfh_dis_sts_v2(struct amd_mp2_dev *privdata) SENSOR_DISCOVERY_STATUS_MASK) >> SENSOR_DISCOVERY_STATUS_SHIFT; } -void amd_start_sensor(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info) +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; @@ -157,7 +158,7 @@ void amd_start_sensor(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info i writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); } -void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx) +static void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx) { union sfh_cmd_base cmd_base; @@ -171,7 +172,7 @@ void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx) writel(cmd_base.ul, privdata->mmio + AMD_C2P_MSG0); } -void amd_stop_all_sensors(struct amd_mp2_dev *privdata) +static void amd_stop_all_sensors(struct amd_mp2_dev *privdata) { union sfh_cmd_base cmd_base; @@ -244,7 +245,7 @@ static void amd_mp2_pci_remove(void *privdata) amd_sfh_clear_intr(mp2); } -static const struct amd_mp2_ops amd_sfh_ops_v2 = { +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, @@ -252,12 +253,14 @@ static const struct amd_mp2_ops amd_sfh_ops_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 const struct amd_mp2_ops amd_sfh_ops = { +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) @@ -277,7 +280,7 @@ static void mp2_select_ops(struct amd_mp2_dev *privdata) } } -static int amd_sfh_irq_init(struct amd_mp2_dev *privdata) +int amd_sfh_irq_init(struct amd_mp2_dev *privdata) { if (privdata->mp2_ops->init_intr) return privdata->mp2_ops->init_intr(privdata); @@ -316,6 +319,14 @@ static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i 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); @@ -332,36 +343,17 @@ static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i return rc; } +init_done: amd_sfh_clear_intr(privdata); - return devm_add_action_or_reset(&pdev->dev, amd_mp2_pci_remove, privdata); + return devm_add_action_or_reset(&pdev->dev, privdata->mp2_ops->remove, privdata); } static int __maybe_unused amd_mp2_pci_resume(struct device *dev) { struct amd_mp2_dev *mp2 = dev_get_drvdata(dev); - 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(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]); - } - } - schedule_delayed_work(&cl_data->work_buffer, msecs_to_jiffies(AMD_SFH_IDLE_LOOP)); - amd_sfh_clear_intr(mp2); + mp2->mp2_ops->resume(mp2); return 0; } @@ -369,25 +361,8 @@ static int __maybe_unused amd_mp2_pci_resume(struct device *dev) static int __maybe_unused amd_mp2_pci_suspend(struct device *dev) { struct amd_mp2_dev *mp2 = dev_get_drvdata(dev); - 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(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); + mp2->mp2_ops->suspend(mp2); return 0; } @@ -397,6 +372,8 @@ static SIMPLE_DEV_PM_OPS(amd_mp2_pm_ops, amd_mp2_pci_suspend, 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); diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h index 8c760526132a..dfb7cabd82ef 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h @@ -10,35 +10,20 @@ #ifndef PCIE_MP2_AMD_H #define PCIE_MP2_AMD_H -#include <linux/pci.h> -#include "amd_sfh_hid.h" - -#define PCI_DEVICE_ID_AMD_MP2 0x15E4 - -#define ENABLE_SENSOR 1 -#define DISABLE_SENSOR 2 -#define STOP_ALL_SENSORS 8 +#include "amd_sfh_common.h" /* MP2 C2P Message Registers */ #define AMD_C2P_MSG0 0x10500 #define AMD_C2P_MSG1 0x10504 #define AMD_C2P_MSG2 0x10508 -#define AMD_C2P_MSG(regno) (0x10500 + ((regno) * 4)) -#define AMD_P2C_MSG(regno) (0x10680 + ((regno) * 4)) - /* MP2 P2C Message Registers */ #define AMD_P2C_MSG3 0x1068C /* Supported Sensors info */ #define V2_STATUS 0x2 -#define SENSOR_ENABLED 4 -#define SENSOR_DISABLED 5 - #define HPD_IDX 16 -#define AMD_SFH_IDLE_LOOP 200 - #define SENSOR_DISCOVERY_STATUS_MASK GENMASK(5, 3) #define SENSOR_DISCOVERY_STATUS_SHIFT 3 @@ -96,22 +81,6 @@ enum sensor_idx { als_idx = 19 }; -struct amd_mp2_dev { - struct pci_dev *pdev; - struct amdtp_cl_data *cl_data; - void __iomem *mmio; - const struct amd_mp2_ops *mp2_ops; - struct amd_input_data in_data; - /* mp2 active control status */ - u32 mp2_acs; -}; - -struct amd_mp2_sensor_info { - u8 sensor_idx; - u32 period; - dma_addr_t dma_address; -}; - enum mem_use_type { USE_DRAM, USE_C2P_REG, @@ -129,24 +98,9 @@ struct hpd_status { }; }; -void amd_start_sensor(struct amd_mp2_dev *privdata, struct amd_mp2_sensor_info info); -void amd_stop_sensor(struct amd_mp2_dev *privdata, u16 sensor_idx); -void amd_stop_all_sensors(struct amd_mp2_dev *privdata); 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); -u32 amd_sfh_wait_for_response(struct amd_mp2_dev *mp2, u8 sid, u32 sensor_sts); -void amd_mp2_suspend(struct amd_mp2_dev *mp2); -void amd_mp2_resume(struct amd_mp2_dev *mp2); -const char *get_sensor_name(int idx); - -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 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 index 76095bd53c65..f9a8c02d5a7b 100644 --- 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 @@ -29,7 +29,7 @@ #define HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM 0x04 #define ILLUMINANCE_MASK GENMASK(14, 0) -int get_report_descriptor(int sensor_idx, u8 *rep_desc) +static int get_report_descriptor(int sensor_idx, u8 *rep_desc) { switch (sensor_idx) { case accel_idx: /* accel */ @@ -63,7 +63,7 @@ int get_report_descriptor(int sensor_idx, u8 *rep_desc) return 0; } -u32 get_descr_sz(int sensor_idx, int descriptor_name) +static u32 get_descr_sz(int sensor_idx, int descriptor_name) { switch (sensor_idx) { case accel_idx: @@ -133,7 +133,7 @@ static void get_common_features(struct common_feature_property *common, int repo common->report_interval = HID_DEFAULT_REPORT_INTERVAL; } -u8 get_feature_report(int sensor_idx, int report_id, u8 *feature_report) +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; @@ -200,7 +200,8 @@ static void get_common_inputs(struct common_input_property *common, int report_i common->event_type = HID_USAGE_SENSOR_EVENT_DATA_UPDATED_ENUM; } -u8 get_input_report(u8 current_index, int sensor_idx, int report_id, struct amd_input_data *in_data) +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]; @@ -267,3 +268,11 @@ u8 get_input_report(u8 current_index, int sensor_idx, int report_id, struct amd_ } 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 index 70b1b7abe2c6..ebd55675eb62 100644 --- 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 @@ -111,7 +111,4 @@ struct hpd_input_report { u8 human_presence; } __packed; -int get_report_descriptor(int sensor_idx, u8 rep_desc[]); -u32 get_descr_sz(int sensor_idx, int descriptor_name); -u8 get_feature_report(int sensor_idx, int report_id, u8 *feature_report); #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 000000000000..0609fea581c9 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c @@ -0,0 +1,300 @@ +// 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 <Basavaraj.Natikar@amd.com> + */ + +#include <linux/hid-sensor-ids.h> + +#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 float32) +{ + int fraction, shift, mantissa, sign, exp, zeropre; + + mantissa = float32 & GENMASK(22, 0); + sign = (float32 & BIT(31)) ? -1 : 1; + exp = (float32 & ~BIT(31)) >> 23; + + if (!exp && !mantissa) + return 0; + + exp -= 127; + if (exp < 0) { + exp = -exp; + zeropre = (((BIT(23) + mantissa) * 100) >> 23) >> exp; + return zeropre >= 50 ? sign : 0; + } + + shift = 23 - exp; + float32 = BIT(exp) + (mantissa >> shift); + fraction = mantissa & GENMASK(shift - 1, 0); + + return (((fraction * 100) >> shift) >= 50) ? sign * (float32 + 1) : sign * float32; +} + +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 = 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 000000000000..70436f9fad2f --- /dev/null +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c @@ -0,0 +1,324 @@ +// 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 <Basavaraj.Natikar@amd.com> + */ + +#include <linux/delay.h> +#include <linux/hid.h> + +#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]); + + 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) + return rc; + + 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); + + status = (status == 0) ? SENSOR_ENABLED : SENSOR_DISABLED; + + if (status == SENSOR_ENABLED) { + cl_data->sensor_sts[i] = SENSOR_ENABLED; + rc = amdtp_hid_probe(i, cl_data); + if (rc) { + 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) + status = SENSOR_DISABLED; + if (status != SENSOR_ENABLED) + 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]); + 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]); + } + + 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_err(dev, "can't reserve mmio registers\n"); + return -ENOMEM; + } + + mp2->vsbase = devm_ioremap(dev, phy_base, 128 * 1024); + if (!mp2->vsbase) { + dev_err(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_err(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 000000000000..21c44990bbeb --- /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 <Basavaraj.Natikar@amd.com> + */ + +#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 000000000000..c6df959ec725 --- /dev/null +++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c @@ -0,0 +1,75 @@ +// 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 <Basavaraj.Natikar@amd.com> + */ +#include <linux/io-64-nonatomic-lo-hi.h> +#include <linux/iopoll.h> + +#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 1600 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, 1600000)) + 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.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.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 = STOP_ALL_SENSORS; + cmd_base.cmd.intr_disable = 0; + + 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 000000000000..ae47a369dc05 --- /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 <Basavaraj.Natikar@amd.com> + */ + +#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 : 6; + u32 length : 12; + u32 rsvd : 5; + 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; + u16 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 |