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author | Basavaraj Natikar <Basavaraj.Natikar@amd.com> | 2021-06-18 13:48:38 +0530 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2021-06-24 14:28:03 +0200 |
commit | 24a31ea94922d391a96a9dd0a9a830de65423817 (patch) | |
tree | 3f566b555d1a75475d80d7f15049d4e0a3412078 /drivers/hid | |
parent | 0aad9c95eb9a2b086322e28ae2e58ad25598604e (diff) | |
download | linux-24a31ea94922d391a96a9dd0a9a830de65423817.tar.gz linux-24a31ea94922d391a96a9dd0a9a830de65423817.tar.bz2 linux-24a31ea94922d391a96a9dd0a9a830de65423817.zip |
HID: amd_sfh: Add initial support for HPD sensor
Add Human Presence Detection (HPD) sensors support
on AMD next generation HPD supported platforms.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Reviewed-by: Nehal Shah <nehal-bakulchandra.shah@amd.com>
Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_hid.h | 2 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_pcie.c | 4 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/amd_sfh_pcie.h | 14 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.c | 34 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_desc.h | 10 | ||||
-rw-r--r-- | drivers/hid/amd-sfh-hid/hid_descriptor/amd_sfh_hid_report_desc.h | 112 |
6 files changed, 174 insertions, 2 deletions
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_hid.h b/drivers/hid/amd-sfh-hid/amd_sfh_hid.h index 359c5de96af8..ae2ac9191ba7 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_hid.h +++ b/drivers/hid/amd-sfh-hid/amd_sfh_hid.h @@ -9,7 +9,7 @@ #ifndef AMDSFH_HID_H #define AMDSFH_HID_H -#define MAX_HID_DEVICES 4 +#define MAX_HID_DEVICES 5 #define BUS_AMD_AMDTP 0x20 #define AMD_SFH_HID_VENDOR 0x1022 #define AMD_SFH_HID_PRODUCT 0x0001 diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c index ff131f450bdc..96e2577fa37e 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c @@ -24,6 +24,7 @@ #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) static int sensor_mask_override = -1; @@ -165,6 +166,9 @@ int amd_mp2_get_sensor_num(struct amd_mp2_dev *privdata, u8 *sensor_id) if (ALS_EN & activestatus) sensor_id[num_of_sensors++] = als_idx; + if (HPD_EN & activestatus) + sensor_id[num_of_sensors++] = HPD_IDX; + return num_of_sensors; } diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h index 0886b2ad033e..2d5c57e3782d 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.h @@ -30,6 +30,8 @@ #define V2_STATUS 0x2 +#define HPD_IDX 16 + /* SFH Command register */ union sfh_cmd_base { u32 ul; @@ -92,6 +94,18 @@ enum mem_use_type { 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; + }; +}; + 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); 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 cdc0a8d32249..0c3697219382 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 @@ -50,6 +50,11 @@ int get_report_descriptor(int sensor_idx, u8 *rep_desc) 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; } @@ -99,6 +104,17 @@ u32 get_descr_sz(int sensor_idx, int descriptor_name) 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; } @@ -120,6 +136,7 @@ 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; @@ -162,6 +179,12 @@ u8 get_feature_report(int sensor_idx, int report_id, u8 *feature_report) 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; } @@ -181,10 +204,12 @@ u8 get_input_report(u8 current_index, int sensor_idx, int report_id, struct amd_ 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 magno_input_report magno_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) @@ -227,6 +252,13 @@ u8 get_input_report(u8 current_index, int sensor_idx, int report_id, struct amd_ 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; } 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 a23c1046627f..16f563d1823b 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 @@ -100,6 +100,16 @@ struct als_input_report { 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; + 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); 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 index 44271d39b322..66d6b26e4708 100644 --- 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 @@ -642,4 +642,116 @@ const u8 als_report_descriptor[] = { 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 |