diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/Makefile | 2 | ||||
| -rw-r--r-- | drivers/input/mouse/cyapa.c | 22 | ||||
| -rw-r--r-- | drivers/input/mouse/cyapa.h | 15 | ||||
| -rw-r--r-- | drivers/input/mouse/cyapa_gen5.c | 69 | ||||
| -rw-r--r-- | drivers/input/mouse/cyapa_gen6.c | 730 |
5 files changed, 834 insertions, 4 deletions
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile index 793300bfbddd..ee6a6e9563d4 100644 --- a/drivers/input/mouse/Makefile +++ b/drivers/input/mouse/Makefile @@ -24,7 +24,7 @@ obj-$(CONFIG_MOUSE_SYNAPTICS_I2C) += synaptics_i2c.o obj-$(CONFIG_MOUSE_SYNAPTICS_USB) += synaptics_usb.o obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o -cyapatp-objs := cyapa.o cyapa_gen3.o cyapa_gen5.o +cyapatp-objs := cyapa.o cyapa_gen3.o cyapa_gen5.o cyapa_gen6.o psmouse-objs := psmouse-base.o synaptics.o focaltech.o psmouse-$(CONFIG_MOUSE_PS2_ALPS) += alps.o diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c index 4c4429598adb..6952ed1c92c7 100644 --- a/drivers/input/mouse/cyapa.c +++ b/drivers/input/mouse/cyapa.c @@ -41,6 +41,9 @@ static int cyapa_reinitialize(struct cyapa *cyapa); bool cyapa_is_pip_bl_mode(struct cyapa *cyapa) { + if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_BL) + return true; + if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_BL) return true; @@ -49,6 +52,9 @@ bool cyapa_is_pip_bl_mode(struct cyapa *cyapa) bool cyapa_is_pip_app_mode(struct cyapa *cyapa) { + if (cyapa->gen == CYAPA_GEN6 && cyapa->state == CYAPA_STATE_GEN6_APP) + return true; + if (cyapa->gen == CYAPA_GEN5 && cyapa->state == CYAPA_STATE_GEN5_APP) return true; @@ -204,6 +210,15 @@ static int cyapa_get_state(struct cyapa *cyapa) if (!error) goto out_detected; } + if (cyapa->gen == CYAPA_GEN_UNKNOWN || + cyapa->gen == CYAPA_GEN6 || + cyapa->gen == CYAPA_GEN5) { + error = cyapa_pip_state_parse(cyapa, + status, BL_STATUS_SIZE); + if (!error) + goto out_detected; + } + /* For old Gen5 trackpads detecting. */ if ((cyapa->gen == CYAPA_GEN_UNKNOWN || cyapa->gen == CYAPA_GEN5) && !smbus && even_addr) { @@ -300,6 +315,9 @@ static int cyapa_check_is_operational(struct cyapa *cyapa) return error; switch (cyapa->gen) { + case CYAPA_GEN6: + cyapa->ops = &cyapa_gen6_ops; + break; case CYAPA_GEN5: cyapa->ops = &cyapa_gen5_ops; break; @@ -579,6 +597,8 @@ static int cyapa_initialize(struct cyapa *cyapa) error = cyapa_gen3_ops.initialize(cyapa); if (!error) error = cyapa_gen5_ops.initialize(cyapa); + if (!error) + error = cyapa_gen6_ops.initialize(cyapa); if (error) return error; @@ -1136,9 +1156,11 @@ static char *cyapa_state_to_string(struct cyapa *cyapa) case CYAPA_STATE_BL_ACTIVE: return "bootloader active"; case CYAPA_STATE_GEN5_BL: + case CYAPA_STATE_GEN6_BL: return "bootloader"; case CYAPA_STATE_OP: case CYAPA_STATE_GEN5_APP: + case CYAPA_STATE_GEN6_APP: return "operational"; /* Normal valid state. */ default: return "invalid mode"; diff --git a/drivers/input/mouse/cyapa.h b/drivers/input/mouse/cyapa.h index d019d1d2d1e4..3a211c0769e9 100644 --- a/drivers/input/mouse/cyapa.h +++ b/drivers/input/mouse/cyapa.h @@ -19,6 +19,7 @@ #define CYAPA_GEN_UNKNOWN 0x00 /* unknown protocol. */ #define CYAPA_GEN3 0x03 /* support MT-protocol B with tracking ID. */ #define CYAPA_GEN5 0x05 /* support TrueTouch GEN5 trackpad device. */ +#define CYAPA_GEN6 0x06 /* support TrueTouch GEN6 trackpad device. */ #define CYAPA_NAME "Cypress APA Trackpad (cyapa)" @@ -198,6 +199,9 @@ #define PIP_BL_APP_INFO_RESP_LENGTH 30 #define PIP_BL_GET_INFO_RESP_LENGTH 19 +#define PIP_BL_PLATFORM_VER_SHIFT 4 +#define PIP_BL_PLATFORM_VER_MASK 0x0f + #define PIP_PRODUCT_FAMILY_MASK 0xf000 #define PIP_PRODUCT_FAMILY_TRACKPAD 0x1000 @@ -299,6 +303,14 @@ enum cyapa_state { CYAPA_STATE_OP, CYAPA_STATE_GEN5_BL, CYAPA_STATE_GEN5_APP, + CYAPA_STATE_GEN6_BL, + CYAPA_STATE_GEN6_APP, +}; + +struct gen6_interval_setting { + u16 active_interval; + u16 lp1_interval; + u16 lp2_interval; }; /* The main device structure */ @@ -320,9 +332,11 @@ struct cyapa { u16 runtime_suspend_sleep_time; u8 dev_pwr_mode; u16 dev_sleep_time; + struct gen6_interval_setting gen6_interval_setting; /* Read from query data region. */ char product_id[16]; + u8 platform_ver; /* Platform version. */ u8 fw_maj_ver; /* Firmware major version. */ u8 fw_min_ver; /* Firmware minor version. */ u8 btn_capability; @@ -411,5 +425,6 @@ extern u8 pip_bl_read_app_info[]; extern const char product_id[]; extern const struct cyapa_dev_ops cyapa_gen3_ops; extern const struct cyapa_dev_ops cyapa_gen5_ops; +extern const struct cyapa_dev_ops cyapa_gen6_ops; #endif diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c index 9d75c6f9f307..4e19dce1dd62 100644 --- a/drivers/input/mouse/cyapa_gen5.c +++ b/drivers/input/mouse/cyapa_gen5.c @@ -133,7 +133,9 @@ struct cyapa_pip_touch_record { * Bit 7 - 3: reserved * Bit 2 - 0: touch type; * 0 : standard finger; - * 1 - 15 : reserved. + * 1 : proximity (Start supported in Gen5 TP). + * 2 : finger hover (defined, but not used yet.) + * 3 - 15 : reserved. */ u8 touch_type; @@ -167,6 +169,9 @@ struct cyapa_pip_touch_record { * The meaning of this value is different when touch_type is different. * For standard finger type: * Touch intensity in counts, pressure value. + * For proximity type (Start supported in Gen5 TP): + * The distance, in surface units, between the contact and + * the surface. **/ u8 z; @@ -218,6 +223,12 @@ struct cyapa_tsg_bin_image_head { u8 fw_major_version; u8 fw_minor_version; u8 fw_revision_control_number[8]; + u8 silicon_id_hi; + u8 silicon_id_lo; + u8 chip_revision; + u8 family_id; + u8 bl_ver_maj; + u8 bl_ver_min; } __packed; struct cyapa_tsg_bin_image_data_record { @@ -1134,6 +1145,39 @@ int cyapa_pip_bl_enter(struct cyapa *cyapa) cyapa->operational = false; if (cyapa->gen == CYAPA_GEN5) cyapa->state = CYAPA_STATE_GEN5_BL; + else if (cyapa->gen == CYAPA_GEN6) + cyapa->state = CYAPA_STATE_GEN6_BL; + return 0; +} + +static int cyapa_pip_fw_head_check(struct cyapa *cyapa, + struct cyapa_tsg_bin_image_head *image_head) +{ + if (image_head->head_size != 0x0C && image_head->head_size != 0x12) + return -EINVAL; + + switch (cyapa->gen) { + case CYAPA_GEN6: + if (image_head->family_id != 0x9B || + image_head->silicon_id_hi != 0x0B) + return -EINVAL; + break; + case CYAPA_GEN5: + /* Gen5 without proximity support. */ + if (cyapa->platform_ver < 2) { + if (image_head->head_size == 0x0C) + break; + return -EINVAL; + } + + if (image_head->family_id != 0x91 || + image_head->silicon_id_hi != 0x02) + return -EINVAL; + break; + default: + return -EINVAL; + } + return 0; } @@ -1150,6 +1194,14 @@ int cyapa_pip_check_fw(struct cyapa *cyapa, const struct firmware *fw) u16 app_integrity_crc; int i; + /* Verify the firmware image not miss-used for Gen5 and Gen6. */ + if (cyapa_pip_fw_head_check(cyapa, + (struct cyapa_tsg_bin_image_head *)fw->data)) { + dev_err(dev, "%s: firmware image not match TP device.\n", + __func__); + return -EINVAL; + } + image_records = cyapa_get_image_record_data_num(fw, &flash_records_count); @@ -2339,6 +2391,9 @@ static int cyapa_gen5_bl_query_data(struct cyapa *cyapa) cyapa->fw_maj_ver = resp_data[22]; cyapa->fw_min_ver = resp_data[23]; + cyapa->platform_ver = (resp_data[26] >> PIP_BL_PLATFORM_VER_SHIFT) & + PIP_BL_PLATFORM_VER_MASK; + return 0; } @@ -2362,8 +2417,16 @@ static int cyapa_gen5_get_query_data(struct cyapa *cyapa) PIP_PRODUCT_FAMILY_TRACKPAD) return -EINVAL; - cyapa->fw_maj_ver = resp_data[15]; - cyapa->fw_min_ver = resp_data[16]; + cyapa->platform_ver = (resp_data[49] >> PIP_BL_PLATFORM_VER_SHIFT) & + PIP_BL_PLATFORM_VER_MASK; + if (cyapa->gen == CYAPA_GEN5 && cyapa->platform_ver < 2) { + /* Gen5 firmware that does not support proximity. */ + cyapa->fw_maj_ver = resp_data[15]; + cyapa->fw_min_ver = resp_data[16]; + } else { + cyapa->fw_maj_ver = resp_data[9]; + cyapa->fw_min_ver = resp_data[10]; + } cyapa->electrodes_x = resp_data[52]; cyapa->electrodes_y = resp_data[53]; diff --git a/drivers/input/mouse/cyapa_gen6.c b/drivers/input/mouse/cyapa_gen6.c new file mode 100644 index 000000000000..8a6aa73b5373 --- /dev/null +++ b/drivers/input/mouse/cyapa_gen6.c @@ -0,0 +1,730 @@ +/* + * Cypress APA trackpad with I2C interface + * + * Author: Dudley Du <dudl@cypress.com> + * + * Copyright (C) 2015 Cypress Semiconductor, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/input/mt.h> +#include <linux/mutex.h> +#include <linux/completion.h> +#include <linux/slab.h> +#include <asm/unaligned.h> +#include <linux/crc-itu-t.h> +#include "cyapa.h" + + +#define GEN6_ENABLE_CMD_IRQ 0x41 +#define GEN6_DISABLE_CMD_IRQ 0x42 +#define GEN6_ENABLE_DEV_IRQ 0x43 +#define GEN6_DISABLE_DEV_IRQ 0x44 + +#define GEN6_POWER_MODE_ACTIVE 0x01 +#define GEN6_POWER_MODE_LP_MODE1 0x02 +#define GEN6_POWER_MODE_LP_MODE2 0x03 +#define GEN6_POWER_MODE_BTN_ONLY 0x04 + +#define GEN6_SET_POWER_MODE_INTERVAL 0x47 +#define GEN6_GET_POWER_MODE_INTERVAL 0x48 + +#define GEN6_MAX_RX_NUM 14 +#define GEN6_RETRIEVE_DATA_ID_RX_ATTENURATOR_IDAC 0x00 +#define GEN6_RETRIEVE_DATA_ID_ATTENURATOR_TRIM 0x12 + + +struct pip_app_cmd_head { + __le16 addr; + __le16 length; + u8 report_id; + u8 resv; /* Reserved, must be 0 */ + u8 cmd_code; /* bit7: resv, set to 0; bit6~0: command code.*/ +} __packed; + +struct pip_app_resp_head { + __le16 length; + u8 report_id; + u8 resv; /* Reserved, must be 0 */ + u8 cmd_code; /* bit7: TGL; bit6~0: command code.*/ + /* + * The value of data_status can be the first byte of data or + * the command status or the unsupported command code depending on the + * requested command code. + */ + u8 data_status; +} __packed; + +struct pip_fixed_info { + u8 silicon_id_high; + u8 silicon_id_low; + u8 family_id; +}; + +static u8 pip_get_bl_info[] = { + 0x04, 0x00, 0x0B, 0x00, 0x40, 0x00, 0x01, 0x38, + 0x00, 0x00, 0x70, 0x9E, 0x17 +}; + +static bool cyapa_sort_pip_hid_descriptor_data(struct cyapa *cyapa, + u8 *buf, int len) +{ + if (len != PIP_HID_DESCRIPTOR_SIZE) + return false; + + if (buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_APP_REPORT_ID || + buf[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID) + return true; + + return false; +} + +static int cyapa_get_pip_fixed_info(struct cyapa *cyapa, + struct pip_fixed_info *pip_info, bool is_bootloader) +{ + u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH]; + int resp_len; + u16 product_family; + int error; + + if (is_bootloader) { + /* Read Bootloader Information to determine Gen5 or Gen6. */ + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, + pip_get_bl_info, sizeof(pip_get_bl_info), + resp_data, &resp_len, + 2000, cyapa_sort_tsg_pip_bl_resp_data, + false); + if (error || resp_len < PIP_BL_GET_INFO_RESP_LENGTH) + return error ? error : -EIO; + + pip_info->family_id = resp_data[8]; + pip_info->silicon_id_low = resp_data[10]; + pip_info->silicon_id_high = resp_data[11]; + + return 0; + } + + /* Get App System Information to determine Gen5 or Gen6. */ + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, + pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH, + resp_data, &resp_len, + 2000, cyapa_pip_sort_system_info_data, false); + if (error || resp_len < PIP_READ_SYS_INFO_RESP_LENGTH) + return error ? error : -EIO; + + product_family = get_unaligned_le16(&resp_data[7]); + if ((product_family & PIP_PRODUCT_FAMILY_MASK) != + PIP_PRODUCT_FAMILY_TRACKPAD) + return -EINVAL; + + pip_info->family_id = resp_data[19]; + pip_info->silicon_id_low = resp_data[21]; + pip_info->silicon_id_high = resp_data[22]; + + return 0; + +} + +int cyapa_pip_state_parse(struct cyapa *cyapa, u8 *reg_data, int len) +{ + u8 cmd[] = { 0x01, 0x00}; + struct pip_fixed_info pip_info; + u8 resp_data[PIP_HID_DESCRIPTOR_SIZE]; + int resp_len; + bool is_bootloader; + int error; + + cyapa->state = CYAPA_STATE_NO_DEVICE; + + /* Try to wake from it deep sleep state if it is. */ + cyapa_pip_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON); + + /* Empty the buffer queue to get fresh data with later commands. */ + cyapa_empty_pip_output_data(cyapa, NULL, NULL, NULL); + + /* + * Read description info from trackpad device to determine running in + * APP mode or Bootloader mode. + */ + resp_len = PIP_HID_DESCRIPTOR_SIZE; + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, + cmd, sizeof(cmd), + resp_data, &resp_len, + 300, + cyapa_sort_pip_hid_descriptor_data, + false); + if (error) + return error; + + if (resp_data[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_BL_REPORT_ID) + is_bootloader = true; + else if (resp_data[PIP_RESP_REPORT_ID_OFFSET] == PIP_HID_APP_REPORT_ID) + is_bootloader = false; + else + return -EAGAIN; + + /* Get PIP fixed information to determine Gen5 or Gen6. */ + memset(&pip_info, 0, sizeof(struct pip_fixed_info)); + error = cyapa_get_pip_fixed_info(cyapa, &pip_info, is_bootloader); + if (error) + return error; + + if (pip_info.family_id == 0x9B && pip_info.silicon_id_high == 0x0B) { + cyapa->gen = CYAPA_GEN6; + cyapa->state = is_bootloader ? CYAPA_STATE_GEN6_BL + : CYAPA_STATE_GEN6_APP; + } else if (pip_info.family_id == 0x91 && + pip_info.silicon_id_high == 0x02) { + cyapa->gen = CYAPA_GEN5; + cyapa->state = is_bootloader ? CYAPA_STATE_GEN5_BL + : CYAPA_STATE_GEN5_APP; + } + + return 0; +} + +static int cyapa_gen6_read_sys_info(struct cyapa *cyapa) +{ + u8 resp_data[PIP_READ_SYS_INFO_RESP_LENGTH]; + int resp_len; + u16 product_family; + u8 rotat_align; + int error; + + /* Get App System Information to determine Gen5 or Gen6. */ + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, + pip_read_sys_info, PIP_READ_SYS_INFO_CMD_LENGTH, + resp_data, &resp_len, + 2000, cyapa_pip_sort_system_info_data, false); + if (error || resp_len < sizeof(resp_data)) + return error ? error : -EIO; + + product_family = get_unaligned_le16(&resp_data[7]); + if ((product_family & PIP_PRODUCT_FAMILY_MASK) != + PIP_PRODUCT_FAMILY_TRACKPAD) + return -EINVAL; + + cyapa->platform_ver = (resp_data[67] >> PIP_BL_PLATFORM_VER_SHIFT) & + PIP_BL_PLATFORM_VER_MASK; + cyapa->fw_maj_ver = resp_data[9]; + cyapa->fw_min_ver = resp_data[10]; + + cyapa->electrodes_x = resp_data[33]; + cyapa->electrodes_y = resp_data[34]; + + cyapa->physical_size_x = get_unaligned_le16(&resp_data[35]) / 100; + cyapa->physical_size_y = get_unaligned_le16(&resp_data[37]) / 100; + + cyapa->max_abs_x = get_unaligned_le16(&resp_data[39]); + cyapa->max_abs_y = get_unaligned_le16(&resp_data[41]); + + cyapa->max_z = get_unaligned_le16(&resp_data[43]); + + cyapa->x_origin = resp_data[45] & 0x01; + cyapa->y_origin = resp_data[46] & 0x01; + + cyapa->btn_capability = (resp_data[70] << 3) & CAPABILITY_BTN_MASK; + + memcpy(&cyapa->product_id[0], &resp_data[51], 5); + cyapa->product_id[5] = '-'; + memcpy(&cyapa->product_id[6], &resp_data[56], 6); + cyapa->product_id[12] = '-'; + memcpy(&cyapa->product_id[13], &resp_data[62], 2); + cyapa->product_id[15] = '\0'; + + rotat_align = resp_data[68]; + if (rotat_align) { + cyapa->electrodes_rx = cyapa->electrodes_y; + cyapa->electrodes_rx = cyapa->electrodes_y; + } else { + cyapa->electrodes_rx = cyapa->electrodes_x; + cyapa->electrodes_rx = cyapa->electrodes_y; + } + cyapa->aligned_electrodes_rx = (cyapa->electrodes_rx + 3) & ~3u; + + if (!cyapa->electrodes_x || !cyapa->electrodes_y || + !cyapa->physical_size_x || !cyapa->physical_size_y || + !cyapa->max_abs_x || !cyapa->max_abs_y || !cyapa->max_z) + return -EINVAL; + + return 0; +} + +static int cyapa_gen6_bl_read_app_info(struct cyapa *cyapa) +{ + u8 resp_data[PIP_BL_APP_INFO_RESP_LENGTH]; + int resp_len; + int error; + + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, + pip_bl_read_app_info, PIP_BL_READ_APP_INFO_CMD_LENGTH, + resp_data, &resp_len, + 500, cyapa_sort_tsg_pip_bl_resp_data, false); + if (error || resp_len < PIP_BL_APP_INFO_RESP_LENGTH || + !PIP_CMD_COMPLETE_SUCCESS(resp_data)) + return error ? error : -EIO; + + cyapa->fw_maj_ver = resp_data[8]; + cyapa->fw_min_ver = resp_data[9]; + + cyapa->platform_ver = (resp_data[12] >> PIP_BL_PLATFORM_VER_SHIFT) & + PIP_BL_PLATFORM_VER_MASK; + + memcpy(&cyapa->product_id[0], &resp_data[13], 5); + cyapa->product_id[5] = '-'; + memcpy(&cyapa->product_id[6], &resp_data[18], 6); + cyapa->product_id[12] = '-'; + memcpy(&cyapa->product_id[13], &resp_data[24], 2); + cyapa->product_id[15] = '\0'; + + return 0; + +} + +static int cyapa_gen6_config_dev_irq(struct cyapa *cyapa, u8 cmd_code) +{ + u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, cmd_code }; + u8 resp_data[6]; + int resp_len; + int error; + + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd), + resp_data, &resp_len, + 500, cyapa_sort_tsg_pip_app_resp_data, false); + if (error || !VALID_CMD_RESP_HEADER(resp_data, cmd_code) || + !PIP_CMD_COMPLETE_SUCCESS(resp_data) + ) + return error < 0 ? error : -EINVAL; + + return 0; +} + +static int cyapa_gen6_change_power_state(struct cyapa *cyapa, u8 power_mode) +{ + u8 cmd[] = { 0x04, 0x00, 0x06, 0x00, 0x2f, 0x00, 0x46, power_mode }; + u8 resp_data[6]; + int resp_len; + int error; + + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd), + resp_data, &resp_len, + 500, cyapa_sort_tsg_pip_app_resp_data, false); + if (error || !VALID_CMD_RESP_HEADER(resp_data, 0x46)) + return error < 0 ? error : -EINVAL; + + /* New power state applied in device not match the set power state. */ + if (resp_data[5] != power_mode) + return -EAGAIN; + + return 0; +} + +static int cyapa_gen6_set_interval_setting(struct cyapa *cyapa, + struct gen6_interval_setting *interval_setting) +{ + struct gen6_set_interval_cmd { + __le16 addr; + __le16 length; + u8 report_id; + u8 rsvd; /* Reserved, must be 0 */ + u8 cmd_code; + __le16 active_interval; + __le16 lp1_interval; + __le16 lp2_interval; + } __packed set_interval_cmd; + u8 resp_data[11]; + int resp_len; + int error; + + memset(&set_interval_cmd, 0, sizeof(set_interval_cmd)); + put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &set_interval_cmd.addr); + put_unaligned_le16(sizeof(set_interval_cmd) - 2, + &set_interval_cmd.length); + set_interval_cmd.report_id = PIP_APP_CMD_REPORT_ID; + set_interval_cmd.cmd_code = GEN6_SET_POWER_MODE_INTERVAL; + put_unaligned_le16(interval_setting->active_interval, + &set_interval_cmd.active_interval); + put_unaligned_le16(interval_setting->lp1_interval, + &set_interval_cmd.lp1_interval); + put_unaligned_le16(interval_setting->lp2_interval, + &set_interval_cmd.lp2_interval); + + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, + (u8 *)&set_interval_cmd, sizeof(set_interval_cmd), + resp_data, &resp_len, + 500, cyapa_sort_tsg_pip_app_resp_data, false); + if (error || + !VALID_CMD_RESP_HEADER(resp_data, GEN6_SET_POWER_MODE_INTERVAL)) + return error < 0 ? error : -EINVAL; + + /* Get the real set intervals from response. */ + interval_setting->active_interval = get_unaligned_le16(&resp_data[5]); + interval_setting->lp1_interval = get_unaligned_le16(&resp_data[7]); + interval_setting->lp2_interval = get_unaligned_le16(&resp_data[9]); + + return 0; +} + +static int cyapa_gen6_get_interval_setting(struct cyapa *cyapa, + struct gen6_interval_setting *interval_setting) +{ + u8 cmd[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, + GEN6_GET_POWER_MODE_INTERVAL }; + u8 resp_data[11]; + int resp_len; + int error; + + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, cmd, sizeof(cmd), + resp_data, &resp_len, + 500, cyapa_sort_tsg_pip_app_resp_data, false); + if (error || + !VALID_CMD_RESP_HEADER(resp_data, GEN6_GET_POWER_MODE_INTERVAL)) + return error < 0 ? error : -EINVAL; + + interval_setting->active_interval = get_unaligned_le16(&resp_data[5]); + interval_setting->lp1_interval = get_unaligned_le16(&resp_data[7]); + interval_setting->lp2_interval = get_unaligned_le16(&resp_data[9]); + + return 0; +} + +static int cyapa_gen6_deep_sleep(struct cyapa *cyapa, u8 state) +{ + u8 ping[] = { 0x04, 0x00, 0x05, 0x00, 0x2f, 0x00, 0x00 }; + + if (state == PIP_DEEP_SLEEP_STATE_ON) + /* + * Send ping command to notify device prepare for wake up + * when it's in deep sleep mode. At this time, device will + * response nothing except an I2C NAK. + */ + cyapa_i2c_pip_write(cyapa, ping, sizeof(ping)); + + return cyapa_pip_deep_sleep(cyapa, state); +} + +static int cyapa_gen6_set_power_mode(struct cyapa *cyapa, + u8 power_mode, u16 sleep_time) +{ + struct device *dev = &cyapa->client->dev; + struct gen6_interval_setting *interval_setting = + &cyapa->gen6_interval_setting; + u8 lp_mode; + int error; + + if (cyapa->state != CYAPA_STATE_GEN6_APP) + return 0; + + if (PIP_DEV_GET_PWR_STATE(cyapa) == UNINIT_PWR_MODE) { + /* + * Assume TP in deep sleep mode when driver is loaded, + * avoid driver unload and reload command IO issue caused by TP + * has been set into deep sleep mode when unloading. + */ + PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF); + } + + if (PIP_DEV_UNINIT_SLEEP_TIME(cyapa) && + PIP_DEV_GET_PWR_STATE(cyapa) != PWR_MODE_OFF) + PIP_DEV_SET_SLEEP_TIME(cyapa, UNINIT_SLEEP_TIME); + + if (PIP_DEV_GET_PWR_STATE(cyapa) == power_mode) { + if (power_mode == PWR_MODE_OFF || + power_mode == PWR_MODE_FULL_ACTIVE || + power_mode == PWR_MODE_BTN_ONLY || + PIP_DEV_GET_SLEEP_TIME(cyapa) == sleep_time) { + /* Has in correct power mode state, early return. */ + return 0; + } + } + + if (power_mode == PWR_MODE_OFF) { + cyapa_gen6_config_dev_irq(cyapa, GEN6_DISABLE_CMD_IRQ); + + error = cyapa_gen6_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_OFF); + if (error) { + dev_err(dev, "enter deep sleep fail: %d\n", error); + return error; + } + + PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_OFF); + return 0; + } + + /* + * When trackpad in power off mode, it cannot change to other power + * state directly, must be wake up from sleep firstly, then + * continue to do next power sate change. + */ + if (PIP_DEV_GET_PWR_STATE(cyapa) == PWR_MODE_OFF) { + error = cyapa_gen6_deep_sleep(cyapa, PIP_DEEP_SLEEP_STATE_ON); + if (error) { + dev_err(dev, "deep sleep wake fail: %d\n", error); + return error; + } + } + + /* + * Disable device assert interrupts for command response to avoid + * disturbing system suspending or hibernating process. + */ + cyapa_gen6_config_dev_irq(cyapa, GEN6_DISABLE_CMD_IRQ); + + if (power_mode == PWR_MODE_FULL_ACTIVE) { + error = cyapa_gen6_change_power_state(cyapa, + GEN6_POWER_MODE_ACTIVE); + if (error) { + dev_err(dev, "change to active fail: %d\n", error); + goto out; + } + + PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_FULL_ACTIVE); + + /* Sync the interval setting from device. */ + cyapa_gen6_get_interval_setting(cyapa, interval_setting); + + } else if (power_mode == PWR_MODE_BTN_ONLY) { + error = cyapa_gen6_change_power_state(cyapa, + GEN6_POWER_MODE_BTN_ONLY); + if (error) { + dev_err(dev, "fail to button only mode: %d\n", error); + goto out; + } + + PIP_DEV_SET_PWR_STATE(cyapa, PWR_MODE_BTN_ONLY); + } else { + /* + * Gen6 internally supports to 2 low power scan interval time, + * so can help to switch power mode quickly. + * such as runtime suspend and system suspend. + */ + if (interval_setting->lp1_interval == sleep_time) { + lp_mode = GEN6_POWER_MODE_LP_MODE1; + } else if (interval_setting->lp2_interval == sleep_time) { + lp_mode = GEN6_POWER_MODE_LP_MODE2; + } else { + if (interval_setting->lp1_interval == 0) { + interval_setting->lp1_interval = sleep_time; + lp_mode = GEN6_POWER_MODE_LP_MODE1; + } else { + interval_setting->lp2_interval = sleep_time; + lp_mode = GEN6_POWER_MODE_LP_MODE2; + } + cyapa_gen6_set_interval_setting(cyapa, + interval_setting); + } + + error = cyapa_gen6_change_power_state(cyapa, lp_mode); + if (error) { + dev_err(dev, "set power state to 0x%02x failed: %d\n", + lp_mode, error); + goto out; + } + + PIP_DEV_SET_SLEEP_TIME(cyapa, sleep_time); + PIP_DEV_SET_PWR_STATE(cyapa, + cyapa_sleep_time_to_pwr_cmd(sleep_time)); + } + +out: + cyapa_gen6_config_dev_irq(cyapa, GEN6_ENABLE_CMD_IRQ); + return error; +} + +static int cyapa_gen6_initialize(struct cyapa *cyapa) +{ + return 0; +} + +static int cyapa_pip_retrieve_data_structure(struct cyapa *cyapa, + u16 read_offset, u16 read_len, u8 data_id, + u8 *data, int *data_buf_lens) +{ + struct retrieve_data_struct_cmd { + struct pip_app_cmd_head head; + __le16 read_offset; + __le16 read_length; + u8 data_id; + } __packed cmd; + u8 resp_data[GEN6_MAX_RX_NUM + 10]; + int resp_len; + int error; + + memset(&cmd, 0, sizeof(cmd)); + put_unaligned_le16(PIP_OUTPUT_REPORT_ADDR, &cmd.head.addr); + put_unaligned_le16(sizeof(cmd), &cmd.head.length - 2); + cmd.head.report_id = PIP_APP_CMD_REPORT_ID; + cmd.head.cmd_code = PIP_RETRIEVE_DATA_STRUCTURE; + put_unaligned_le16(read_offset, &cmd.read_offset); + put_unaligned_le16(read_len, &cmd.read_length); + cmd.data_id = data_id; + + resp_len = sizeof(resp_data); + error = cyapa_i2c_pip_cmd_irq_sync(cyapa, + (u8 *)&cmd, sizeof(cmd), + resp_data, &resp_len, + 500, cyapa_sort_tsg_pip_app_resp_data, + true); + if (error || !PIP_CMD_COMPLETE_SUCCESS(resp_data) || + resp_data[6] != data_id || + !VALID_CMD_RESP_HEADER(resp_data, PIP_RETRIEVE_DATA_STRUCTURE)) + return (error < 0) ? error : -EAGAIN; + + read_len = get_unaligned_le16(&resp_data[7]); + if (*data_buf_lens < read_len) { + *data_buf_lens = read_len; + return -ENOBUFS; + } + + memcpy(data, &resp_data[10], read_len); + *data_buf_lens = read_len; + return 0; +} + +static ssize_t cyapa_gen6_show_baseline(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct cyapa *cyapa = dev_get_drvdata(dev); + u8 data[GEN6_MAX_RX_NUM]; + int data_len; + int size = 0; + int i; + int error; + int resume_error; + + if (!cyapa_is_pip_app_mode(cyapa)) + return -EBUSY; + + /* 1. Suspend Scanning*/ + error = cyapa_pip_suspend_scanning(cyapa); + if (error) + return error; + + /* 2. IDAC and RX Attenuator Calibration Data (Center Frequency). */ + data_len = sizeof(data); + error = cyapa_pip_retrieve_data_structure(cyapa, 0, data_len, + GEN6_RETRIEVE_DATA_ID_RX_ATTENURATOR_IDAC, + data, &data_len); + if (error) + goto resume_scanning; + + size = scnprintf(buf, PAGE_SIZE, "%d %d %d %d %d %d ", + data[0], /* RX Attenuator Mutual */ + data[1], /* IDAC Mutual */ + data[2], /* RX Attenuator Self RX */ + data[3], /* IDAC Self RX */ + data[4], /* RX Attenuator Self TX */ + data[5] /* IDAC Self TX */ + ); + + /* 3. Read Attenuator Trim. */ + data_len = sizeof(data); + error = cyapa_pip_retrieve_data_structure(cyapa, 0, data_len, + GEN6_RETRIEVE_DATA_ID_ATTENURATOR_TRIM, + data, &data_len); + if (error) + goto resume_scanning; + + /* set attenuator trim values. */ + for (i = 0; i < data_len; i++) + size += scnprintf(buf + size, PAGE_SIZE - size, "%d ", data[i]); + size += scnprintf(buf + size, PAGE_SIZE - size, "\n"); + +resume_scanning: + /* 4. Resume Scanning*/ + resume_error = cyapa_pip_resume_scanning(cyapa); + if (resume_error || error) { + memset(buf, 0, PAGE_SIZE); + return resume_error ? resume_error : error; + } + + return size; +} + +static int cyapa_gen6_operational_check(struct cyapa *cyapa) +{ + struct device *dev = &cyapa->client->dev; + int error; + + if (cyapa->gen != CYAPA_GEN6) + return -ENODEV; + + switch (cyapa->state) { + case CYAPA_STATE_GEN6_BL: + error = cyapa_pip_bl_exit(cyapa); + if (error) { + /* Try to update trackpad product information. */ + cyapa_gen6_bl_read_app_info(cyapa); + goto out; + } + + cyapa->state = CYAPA_STATE_GEN6_APP; + + case CYAPA_STATE_GEN6_APP: + /* + * If trackpad device in deep sleep mode, + * the app command will fail. + * So always try to reset trackpad device to full active when + * the device state is required. + */ + error = cyapa_gen6_set_power_mode(cyapa, + PWR_MODE_FULL_ACTIVE, 0); + if (error) + dev_warn(dev, "%s: failed to set power active mode.\n", + __func__); + + /* Get trackpad product information. */ + error = cyapa_gen6_read_sys_info(cyapa); + if (error) + goto out; + /* Only support product ID starting with CYTRA */ + if (memcmp(cyapa->product_id, product_id, + strlen(product_id)) != 0) { + dev_err(dev, "%s: unknown product ID (%s)\n", + __func__, cyapa->product_id); + error = -EINVAL; + } + break; + default: + error = -EINVAL; + } + +out: + return error; +} + +const struct cyapa_dev_ops cyapa_gen6_ops = { + .check_fw = cyapa_pip_check_fw, + .bl_enter = cyapa_pip_bl_enter, + .bl_initiate = cyapa_pip_bl_initiate, + .update_fw = cyapa_pip_do_fw_update, + .bl_activate = cyapa_pip_bl_activate, + .bl_deactivate = cyapa_pip_bl_deactivate, + + .show_baseline = cyapa_gen6_show_baseline, + .calibrate_store = cyapa_pip_do_calibrate, + + .initialize = cyapa_gen6_initialize, + + .state_parse = cyapa_pip_state_parse, + .operational_check = cyapa_gen6_operational_check, + + .irq_handler = cyapa_pip_irq_handler, + .irq_cmd_handler = cyapa_pip_irq_cmd_handler, + .sort_empty_output_data = cyapa_empty_pip_output_data, + .set_power_mode = cyapa_gen6_set_power_mode, +}; |