| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <linux/kernel.h> |
| #include "cam_sensor_util.h" |
| #include <cam_mem_mgr.h> |
| |
| #define CAM_SENSOR_PINCTRL_STATE_SLEEP "cam_suspend" |
| #define CAM_SENSOR_PINCTRL_STATE_DEFAULT "cam_default" |
| |
| #define VALIDATE_VOLTAGE(min, max, config_val) ((config_val) && \ |
| (config_val >= min) && (config_val <= max)) |
| |
| static struct i2c_settings_list* |
| cam_sensor_get_i2c_ptr(struct i2c_settings_array *i2c_reg_settings, |
| uint32_t size) |
| { |
| struct i2c_settings_list *tmp; |
| |
| tmp = (struct i2c_settings_list *) |
| kzalloc(sizeof(struct i2c_settings_list), GFP_KERNEL); |
| |
| if (tmp != NULL) |
| list_add_tail(&(tmp->list), |
| &(i2c_reg_settings->list_head)); |
| else |
| return NULL; |
| |
| tmp->i2c_settings.reg_setting = (struct cam_sensor_i2c_reg_array *) |
| kzalloc(sizeof(struct cam_sensor_i2c_reg_array) * |
| size, GFP_KERNEL); |
| if (tmp->i2c_settings.reg_setting == NULL) { |
| list_del(&(tmp->list)); |
| kfree(tmp); |
| return NULL; |
| } |
| tmp->i2c_settings.size = size; |
| |
| return tmp; |
| } |
| |
| int32_t delete_request(struct i2c_settings_array *i2c_array) |
| { |
| struct i2c_settings_list *i2c_list = NULL, *i2c_next = NULL; |
| int32_t rc = 0; |
| |
| if (i2c_array == NULL) { |
| CAM_ERR(CAM_SENSOR, "FATAL:: Invalid argument"); |
| return -EINVAL; |
| } |
| |
| list_for_each_entry_safe(i2c_list, i2c_next, |
| &(i2c_array->list_head), list) { |
| kfree(i2c_list->i2c_settings.reg_setting); |
| list_del(&(i2c_list->list)); |
| kfree(i2c_list); |
| } |
| INIT_LIST_HEAD(&(i2c_array->list_head)); |
| i2c_array->is_settings_valid = 0; |
| |
| return rc; |
| } |
| |
| int32_t cam_sensor_handle_delay( |
| uint32_t **cmd_buf, |
| uint16_t generic_op_code, |
| struct i2c_settings_array *i2c_reg_settings, |
| uint32_t offset, uint32_t *byte_cnt, |
| struct list_head *list_ptr) |
| { |
| int32_t rc = 0; |
| struct cam_cmd_unconditional_wait *cmd_uncond_wait = |
| (struct cam_cmd_unconditional_wait *) *cmd_buf; |
| struct i2c_settings_list *i2c_list = NULL; |
| |
| if (list_ptr == NULL) { |
| CAM_ERR(CAM_SENSOR, "Invalid list ptr"); |
| return -EINVAL; |
| } |
| |
| if (offset > 0) { |
| i2c_list = |
| list_entry(list_ptr, struct i2c_settings_list, list); |
| if (generic_op_code == |
| CAMERA_SENSOR_WAIT_OP_HW_UCND) |
| i2c_list->i2c_settings. |
| reg_setting[offset - 1].delay = |
| cmd_uncond_wait->delay; |
| else |
| i2c_list->i2c_settings.delay = |
| cmd_uncond_wait->delay; |
| (*cmd_buf) += |
| sizeof( |
| struct cam_cmd_unconditional_wait) / sizeof(uint32_t); |
| (*byte_cnt) += |
| sizeof( |
| struct cam_cmd_unconditional_wait); |
| } else { |
| CAM_ERR(CAM_SENSOR, "Delay Rxed Before any buffer: %d", offset); |
| return -EINVAL; |
| } |
| |
| return rc; |
| } |
| |
| int32_t cam_sensor_handle_poll( |
| uint32_t **cmd_buf, |
| struct i2c_settings_array *i2c_reg_settings, |
| uint32_t *byte_cnt, int32_t *offset, |
| struct list_head **list_ptr) |
| { |
| struct i2c_settings_list *i2c_list; |
| int32_t rc = 0; |
| struct cam_cmd_conditional_wait *cond_wait |
| = (struct cam_cmd_conditional_wait *) *cmd_buf; |
| |
| i2c_list = |
| cam_sensor_get_i2c_ptr(i2c_reg_settings, 1); |
| if (!i2c_list || !i2c_list->i2c_settings.reg_setting) { |
| CAM_ERR(CAM_SENSOR, "Failed in allocating mem for list"); |
| return -ENOMEM; |
| } |
| |
| i2c_list->op_code = CAM_SENSOR_I2C_POLL; |
| i2c_list->i2c_settings.data_type = |
| cond_wait->data_type; |
| i2c_list->i2c_settings.addr_type = |
| cond_wait->addr_type; |
| i2c_list->i2c_settings.reg_setting->reg_addr = |
| cond_wait->reg_addr; |
| i2c_list->i2c_settings.reg_setting->reg_data = |
| cond_wait->reg_data; |
| i2c_list->i2c_settings.reg_setting->delay = |
| cond_wait->timeout; |
| |
| (*cmd_buf) += sizeof(struct cam_cmd_conditional_wait) / |
| sizeof(uint32_t); |
| (*byte_cnt) += sizeof(struct cam_cmd_conditional_wait); |
| |
| (*offset) += 1; |
| *list_ptr = &(i2c_list->list); |
| |
| return rc; |
| } |
| |
| int32_t cam_sensor_handle_random_write( |
| struct cam_cmd_i2c_random_wr *cam_cmd_i2c_random_wr, |
| struct i2c_settings_array *i2c_reg_settings, |
| uint16_t *cmd_length_in_bytes, int32_t *offset, |
| struct list_head **list) |
| { |
| struct i2c_settings_list *i2c_list; |
| int32_t rc = 0, cnt; |
| |
| i2c_list = cam_sensor_get_i2c_ptr(i2c_reg_settings, |
| cam_cmd_i2c_random_wr->header.count); |
| if (i2c_list == NULL || |
| i2c_list->i2c_settings.reg_setting == NULL) { |
| CAM_ERR(CAM_SENSOR, "Failed in allocating i2c_list"); |
| return -ENOMEM; |
| } |
| |
| *cmd_length_in_bytes = (sizeof(struct i2c_rdwr_header) + |
| sizeof(struct i2c_random_wr_payload) * |
| (cam_cmd_i2c_random_wr->header.count)); |
| i2c_list->op_code = CAM_SENSOR_I2C_WRITE_RANDOM; |
| i2c_list->i2c_settings.addr_type = |
| cam_cmd_i2c_random_wr->header.addr_type; |
| i2c_list->i2c_settings.data_type = |
| cam_cmd_i2c_random_wr->header.data_type; |
| |
| for (cnt = 0; cnt < (cam_cmd_i2c_random_wr->header.count); |
| cnt++) { |
| i2c_list->i2c_settings.reg_setting[cnt].reg_addr = |
| cam_cmd_i2c_random_wr-> |
| random_wr_payload[cnt].reg_addr; |
| i2c_list->i2c_settings. |
| reg_setting[cnt].reg_data = |
| cam_cmd_i2c_random_wr-> |
| random_wr_payload[cnt].reg_data; |
| i2c_list->i2c_settings. |
| reg_setting[cnt].data_mask = 0; |
| } |
| (*offset) += cnt; |
| *list = &(i2c_list->list); |
| |
| return rc; |
| } |
| |
| static int32_t cam_sensor_handle_continuous_write( |
| struct cam_cmd_i2c_continuous_wr *cam_cmd_i2c_continuous_wr, |
| struct i2c_settings_array *i2c_reg_settings, |
| uint16_t *cmd_length_in_bytes, int32_t *offset, |
| struct list_head **list) |
| { |
| struct i2c_settings_list *i2c_list; |
| int32_t rc = 0, cnt; |
| |
| i2c_list = cam_sensor_get_i2c_ptr(i2c_reg_settings, |
| cam_cmd_i2c_continuous_wr->header.count); |
| if (i2c_list == NULL || |
| i2c_list->i2c_settings.reg_setting == NULL) { |
| CAM_ERR(CAM_SENSOR, "Failed in allocating i2c_list"); |
| return -ENOMEM; |
| } |
| |
| *cmd_length_in_bytes = (sizeof(struct i2c_rdwr_header) + |
| sizeof(cam_cmd_i2c_continuous_wr->reg_addr) + |
| sizeof(struct cam_cmd_read) * |
| (cam_cmd_i2c_continuous_wr->header.count)); |
| if (cam_cmd_i2c_continuous_wr->header.op_code == |
| CAMERA_SENSOR_I2C_OP_CONT_WR_BRST) |
| i2c_list->op_code = CAM_SENSOR_I2C_WRITE_BURST; |
| else if (cam_cmd_i2c_continuous_wr->header.op_code == |
| CAMERA_SENSOR_I2C_OP_CONT_WR_SEQN) |
| i2c_list->op_code = CAM_SENSOR_I2C_WRITE_SEQ; |
| else |
| return -EINVAL; |
| |
| i2c_list->i2c_settings.addr_type = |
| cam_cmd_i2c_continuous_wr->header.addr_type; |
| i2c_list->i2c_settings.data_type = |
| cam_cmd_i2c_continuous_wr->header.data_type; |
| |
| for (cnt = 0; cnt < (cam_cmd_i2c_continuous_wr->header.count); |
| cnt++) { |
| i2c_list->i2c_settings.reg_setting[cnt].reg_addr = |
| cam_cmd_i2c_continuous_wr-> |
| reg_addr; |
| i2c_list->i2c_settings. |
| reg_setting[cnt].reg_data = |
| cam_cmd_i2c_continuous_wr-> |
| data_read[cnt].reg_data; |
| i2c_list->i2c_settings. |
| reg_setting[cnt].data_mask = 0; |
| } |
| (*offset) += cnt; |
| *list = &(i2c_list->list); |
| |
| return rc; |
| } |
| |
| /** |
| * Name : cam_sensor_i2c_pkt_parser |
| * Description : Parse CSL CCI packet and apply register settings |
| * Parameters : s_ctrl input/output sub_device |
| * arg input cam_control |
| * Description : |
| * Handle multiple I2C RD/WR and WAIT cmd formats in one command |
| * buffer, for example, a command buffer of m x RND_WR + 1 x HW_ |
| * WAIT + n x RND_WR with num_cmd_buf = 1. Do not exepect RD/WR |
| * with different cmd_type and op_code in one command buffer. |
| */ |
| int cam_sensor_i2c_pkt_parser(struct i2c_settings_array *i2c_reg_settings, |
| struct cam_cmd_buf_desc *cmd_desc, int32_t num_cmd_buffers) |
| { |
| int16_t rc = 0, i = 0; |
| size_t len_of_buff = 0; |
| uint64_t generic_ptr; |
| |
| for (i = 0; i < num_cmd_buffers; i++) { |
| uint32_t *cmd_buf = NULL; |
| struct common_header *cmm_hdr; |
| uint16_t generic_op_code; |
| uint32_t byte_cnt = 0; |
| uint32_t j = 0; |
| struct list_head *list = NULL; |
| |
| /* |
| * It is not expected the same settings to |
| * be spread across multiple cmd buffers |
| */ |
| |
| CAM_DBG(CAM_SENSOR, "Total cmd Buf in Bytes: %d", |
| cmd_desc[i].length); |
| |
| if (!cmd_desc[i].length) |
| continue; |
| |
| rc = cam_mem_get_cpu_buf(cmd_desc[i].mem_handle, |
| (uint64_t *)&generic_ptr, &len_of_buff); |
| cmd_buf = (uint32_t *)generic_ptr; |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "cmd hdl failed:%d, Err: %d, Buffer_len: %ld", |
| cmd_desc[i].mem_handle, rc, len_of_buff); |
| return rc; |
| } |
| cmd_buf += cmd_desc[i].offset / sizeof(uint32_t); |
| |
| while (byte_cnt < cmd_desc[i].length) { |
| cmm_hdr = (struct common_header *)cmd_buf; |
| generic_op_code = cmm_hdr->third_byte; |
| switch (cmm_hdr->cmd_type) { |
| case CAMERA_SENSOR_CMD_TYPE_I2C_RNDM_WR: { |
| uint16_t cmd_length_in_bytes = 0; |
| struct cam_cmd_i2c_random_wr |
| *cam_cmd_i2c_random_wr = |
| (struct cam_cmd_i2c_random_wr *)cmd_buf; |
| |
| rc = cam_sensor_handle_random_write( |
| cam_cmd_i2c_random_wr, |
| i2c_reg_settings, |
| &cmd_length_in_bytes, &j, &list); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "Failed in random write %d", rc); |
| return rc; |
| } |
| |
| cmd_buf += cmd_length_in_bytes / |
| sizeof(uint32_t); |
| byte_cnt += cmd_length_in_bytes; |
| break; |
| } |
| case CAMERA_SENSOR_CMD_TYPE_I2C_CONT_WR: { |
| uint16_t cmd_length_in_bytes = 0; |
| struct cam_cmd_i2c_continuous_wr |
| *cam_cmd_i2c_continuous_wr = |
| (struct cam_cmd_i2c_continuous_wr *) |
| cmd_buf; |
| |
| rc = cam_sensor_handle_continuous_write( |
| cam_cmd_i2c_continuous_wr, |
| i2c_reg_settings, |
| &cmd_length_in_bytes, &j, &list); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "Failed in continuous write %d", rc); |
| return rc; |
| } |
| |
| cmd_buf += cmd_length_in_bytes / |
| sizeof(uint32_t); |
| byte_cnt += cmd_length_in_bytes; |
| break; |
| } |
| case CAMERA_SENSOR_CMD_TYPE_WAIT: { |
| if (generic_op_code == |
| CAMERA_SENSOR_WAIT_OP_HW_UCND || |
| generic_op_code == |
| CAMERA_SENSOR_WAIT_OP_SW_UCND) { |
| |
| rc = cam_sensor_handle_delay( |
| &cmd_buf, generic_op_code, |
| i2c_reg_settings, j, &byte_cnt, |
| list); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "delay hdl failed: %d", |
| rc); |
| return rc; |
| } |
| |
| } else if (generic_op_code == |
| CAMERA_SENSOR_WAIT_OP_COND) { |
| rc = cam_sensor_handle_poll( |
| &cmd_buf, i2c_reg_settings, |
| &byte_cnt, &j, &list); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "Random read fail: %d", |
| rc); |
| return rc; |
| } |
| } else { |
| CAM_ERR(CAM_SENSOR, |
| "Wrong Wait Command: %d", |
| generic_op_code); |
| return -EINVAL; |
| } |
| break; |
| } |
| default: |
| CAM_ERR(CAM_SENSOR, "Invalid Command Type:%d", |
| cmm_hdr->cmd_type); |
| return -EINVAL; |
| } |
| } |
| i2c_reg_settings->is_settings_valid = 1; |
| } |
| |
| return rc; |
| } |
| |
| int32_t msm_camera_fill_vreg_params( |
| struct cam_hw_soc_info *soc_info, |
| struct cam_sensor_power_setting *power_setting, |
| uint16_t power_setting_size) |
| { |
| int32_t rc = 0, j = 0, i = 0; |
| int num_vreg; |
| |
| /* Validate input parameters */ |
| if (!soc_info || !power_setting) { |
| CAM_ERR(CAM_SENSOR, "failed: soc_info %pK power_setting %pK", |
| soc_info, power_setting); |
| return -EINVAL; |
| } |
| |
| num_vreg = soc_info->num_rgltr; |
| |
| if ((num_vreg <= 0) || (num_vreg > CAM_SOC_MAX_REGULATOR)) { |
| CAM_ERR(CAM_SENSOR, "failed: num_vreg %d", num_vreg); |
| return -EINVAL; |
| } |
| |
| for (i = 0; i < power_setting_size; i++) { |
| |
| if (power_setting[i].seq_type < SENSOR_MCLK || |
| power_setting[i].seq_type >= SENSOR_SEQ_TYPE_MAX) { |
| CAM_ERR(CAM_SENSOR, "failed: Invalid Seq type\n", |
| power_setting[i].seq_type); |
| return -EINVAL; |
| } |
| |
| switch (power_setting[i].seq_type) { |
| case SENSOR_VDIG: |
| for (j = 0; j < num_vreg; j++) { |
| if (!strcmp(soc_info->rgltr_name[j], |
| "cam_vdig")) { |
| |
| CAM_DBG(CAM_SENSOR, |
| "i: %d j: %d cam_vdig", i, j); |
| power_setting[i].seq_val = j; |
| |
| if (VALIDATE_VOLTAGE( |
| soc_info->rgltr_min_volt[j], |
| soc_info->rgltr_max_volt[j], |
| power_setting[i].config_val)) { |
| soc_info->rgltr_min_volt[j] = |
| soc_info->rgltr_max_volt[j] = |
| power_setting[i].config_val; |
| } |
| break; |
| } |
| } |
| if (j == num_vreg) |
| power_setting[i].seq_val = INVALID_VREG; |
| break; |
| |
| case SENSOR_VIO: |
| for (j = 0; j < num_vreg; j++) { |
| |
| if (!strcmp(soc_info->rgltr_name[j], |
| "cam_vio")) { |
| CAM_DBG(CAM_SENSOR, |
| "i: %d j: %d cam_vio", i, j); |
| power_setting[i].seq_val = j; |
| |
| if (VALIDATE_VOLTAGE( |
| soc_info->rgltr_min_volt[j], |
| soc_info->rgltr_max_volt[j], |
| power_setting[i].config_val)) { |
| soc_info->rgltr_min_volt[j] = |
| soc_info->rgltr_max_volt[j] = |
| power_setting[i].config_val; |
| } |
| break; |
| } |
| |
| } |
| if (j == num_vreg) |
| power_setting[i].seq_val = INVALID_VREG; |
| break; |
| |
| case SENSOR_VANA: |
| for (j = 0; j < num_vreg; j++) { |
| |
| if (!strcmp(soc_info->rgltr_name[j], |
| "cam_vana")) { |
| CAM_DBG(CAM_SENSOR, |
| "i: %d j: %d cam_vana", i, j); |
| power_setting[i].seq_val = j; |
| |
| if (VALIDATE_VOLTAGE( |
| soc_info->rgltr_min_volt[j], |
| soc_info->rgltr_max_volt[j], |
| power_setting[i].config_val)) { |
| soc_info->rgltr_min_volt[j] = |
| soc_info->rgltr_max_volt[j] = |
| power_setting[i].config_val; |
| } |
| break; |
| } |
| |
| } |
| if (j == num_vreg) |
| power_setting[i].seq_val = INVALID_VREG; |
| break; |
| |
| case SENSOR_VAF: |
| for (j = 0; j < num_vreg; j++) { |
| |
| if (!strcmp(soc_info->rgltr_name[j], |
| "cam_vaf")) { |
| CAM_DBG(CAM_SENSOR, |
| "i: %d j: %d cam_vaf", i, j); |
| power_setting[i].seq_val = j; |
| |
| if (VALIDATE_VOLTAGE( |
| soc_info->rgltr_min_volt[j], |
| soc_info->rgltr_max_volt[j], |
| power_setting[i].config_val)) { |
| soc_info->rgltr_min_volt[j] = |
| soc_info->rgltr_max_volt[j] = |
| power_setting[i].config_val; |
| } |
| |
| break; |
| } |
| |
| } |
| if (j == num_vreg) |
| power_setting[i].seq_val = INVALID_VREG; |
| break; |
| |
| case SENSOR_CUSTOM_REG1: |
| for (j = 0; j < num_vreg; j++) { |
| |
| if (!strcmp(soc_info->rgltr_name[j], |
| "cam_v_custom1")) { |
| CAM_DBG(CAM_SENSOR, |
| "i:%d j:%d cam_vcustom1", i, j); |
| power_setting[i].seq_val = j; |
| |
| if (VALIDATE_VOLTAGE( |
| soc_info->rgltr_min_volt[j], |
| soc_info->rgltr_max_volt[j], |
| power_setting[i].config_val)) { |
| soc_info->rgltr_min_volt[j] = |
| soc_info->rgltr_max_volt[j] = |
| power_setting[i].config_val; |
| } |
| break; |
| } |
| |
| } |
| if (j == num_vreg) |
| power_setting[i].seq_val = INVALID_VREG; |
| break; |
| case SENSOR_CUSTOM_REG2: |
| for (j = 0; j < num_vreg; j++) { |
| |
| if (!strcmp(soc_info->rgltr_name[j], |
| "cam_v_custom2")) { |
| CAM_DBG(CAM_SENSOR, |
| "i:%d j:%d cam_vcustom2", i, j); |
| power_setting[i].seq_val = j; |
| |
| if (VALIDATE_VOLTAGE( |
| soc_info->rgltr_min_volt[j], |
| soc_info->rgltr_max_volt[j], |
| power_setting[i].config_val)) { |
| soc_info->rgltr_min_volt[j] = |
| soc_info->rgltr_max_volt[j] = |
| power_setting[i].config_val; |
| } |
| break; |
| } |
| } |
| if (j == num_vreg) |
| power_setting[i].seq_val = INVALID_VREG; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| return rc; |
| } |
| |
| int cam_sensor_util_request_gpio_table( |
| struct cam_hw_soc_info *soc_info, int gpio_en) |
| { |
| int rc = 0, i = 0; |
| uint8_t size = 0; |
| struct cam_soc_gpio_data *gpio_conf = |
| soc_info->gpio_data; |
| struct gpio *gpio_tbl = NULL; |
| |
| if (!gpio_conf) { |
| CAM_INFO(CAM_SENSOR, "No GPIO data"); |
| return 0; |
| } |
| |
| if (gpio_conf->cam_gpio_common_tbl_size <= 0) { |
| CAM_INFO(CAM_SENSOR, "No GPIO entry"); |
| return -EINVAL; |
| } |
| |
| gpio_tbl = gpio_conf->cam_gpio_req_tbl; |
| size = gpio_conf->cam_gpio_req_tbl_size; |
| |
| if (!gpio_tbl || !size) { |
| CAM_ERR(CAM_SENSOR, "invalid gpio_tbl %pK / size %d", |
| gpio_tbl, size); |
| return -EINVAL; |
| } |
| |
| for (i = 0; i < size; i++) { |
| CAM_DBG(CAM_SENSOR, "i: %d, gpio %d dir %ld", i, |
| gpio_tbl[i].gpio, gpio_tbl[i].flags); |
| } |
| |
| if (gpio_en) { |
| for (i = 0; i < size; i++) { |
| rc = gpio_request_one(gpio_tbl[i].gpio, |
| gpio_tbl[i].flags, gpio_tbl[i].label); |
| if (rc) { |
| /* |
| * After GPIO request fails, contine to |
| * apply new gpios, outout a error message |
| * for driver bringup debug |
| */ |
| CAM_ERR(CAM_SENSOR, "gpio %d:%s request fails", |
| gpio_tbl[i].gpio, gpio_tbl[i].label); |
| } |
| } |
| } else { |
| gpio_free_array(gpio_tbl, size); |
| } |
| |
| return rc; |
| } |
| |
| int32_t cam_sensor_update_power_settings(void *cmd_buf, |
| int cmd_length, struct cam_sensor_power_ctrl_t *power_info) |
| { |
| int32_t rc = 0, tot_size = 0, last_cmd_type = 0; |
| int32_t i = 0, pwr_up = 0, pwr_down = 0; |
| void *ptr = cmd_buf, *scr; |
| struct cam_cmd_power *pwr_cmd = (struct cam_cmd_power *)cmd_buf; |
| struct common_header *cmm_hdr = (struct common_header *)cmd_buf; |
| |
| if (!pwr_cmd || !cmd_length) { |
| CAM_ERR(CAM_SENSOR, "Invalid Args: pwr_cmd %pK, cmd_length: %d", |
| pwr_cmd, cmd_length); |
| return -EINVAL; |
| } |
| |
| power_info->power_setting_size = 0; |
| power_info->power_setting = |
| (struct cam_sensor_power_setting *) |
| kzalloc(sizeof(struct cam_sensor_power_setting) * |
| MAX_POWER_CONFIG, GFP_KERNEL); |
| if (!power_info->power_setting) |
| return -ENOMEM; |
| |
| power_info->power_down_setting_size = 0; |
| power_info->power_down_setting = |
| (struct cam_sensor_power_setting *) |
| kzalloc(sizeof(struct cam_sensor_power_setting) * |
| MAX_POWER_CONFIG, GFP_KERNEL); |
| if (!power_info->power_down_setting) { |
| rc = -ENOMEM; |
| goto free_power_settings; |
| } |
| |
| while (tot_size < cmd_length) { |
| if (cmm_hdr->cmd_type == |
| CAMERA_SENSOR_CMD_TYPE_PWR_UP) { |
| struct cam_cmd_power *pwr_cmd = |
| (struct cam_cmd_power *)ptr; |
| |
| power_info-> |
| power_setting_size += |
| pwr_cmd->count; |
| scr = ptr + sizeof(struct cam_cmd_power); |
| tot_size = tot_size + sizeof(struct cam_cmd_power); |
| |
| if (pwr_cmd->count == 0) |
| CAM_DBG(CAM_SENSOR, "Un expected Command"); |
| |
| for (i = 0; i < pwr_cmd->count; i++, pwr_up++) { |
| power_info-> |
| power_setting[pwr_up].seq_type = |
| pwr_cmd->power_settings[i]. |
| power_seq_type; |
| power_info-> |
| power_setting[pwr_up].config_val = |
| pwr_cmd->power_settings[i]. |
| config_val_low; |
| power_info->power_setting[pwr_up].delay = 0; |
| if (i) { |
| scr = scr + |
| sizeof( |
| struct cam_power_settings); |
| tot_size = tot_size + |
| sizeof( |
| struct cam_power_settings); |
| } |
| if (tot_size > cmd_length) { |
| CAM_ERR(CAM_SENSOR, |
| "Error: Cmd Buffer is wrong"); |
| rc = -EINVAL; |
| goto free_power_down_settings; |
| } |
| CAM_DBG(CAM_SENSOR, |
| "Seq Type[%d]: %d Config_val: %ld", |
| pwr_up, |
| power_info-> |
| power_setting[pwr_up].seq_type, |
| power_info-> |
| power_setting[pwr_up]. |
| config_val); |
| } |
| last_cmd_type = CAMERA_SENSOR_CMD_TYPE_PWR_UP; |
| ptr = (void *) scr; |
| cmm_hdr = (struct common_header *)ptr; |
| } else if (cmm_hdr->cmd_type == CAMERA_SENSOR_CMD_TYPE_WAIT) { |
| struct cam_cmd_unconditional_wait *wait_cmd = |
| (struct cam_cmd_unconditional_wait *)ptr; |
| if (wait_cmd->op_code == |
| CAMERA_SENSOR_WAIT_OP_SW_UCND) { |
| if (last_cmd_type == |
| CAMERA_SENSOR_CMD_TYPE_PWR_UP) { |
| if (pwr_up > 0) |
| power_info-> |
| power_setting |
| [pwr_up - 1].delay += |
| wait_cmd->delay; |
| else |
| CAM_ERR(CAM_SENSOR, |
| "Delay is expected only after valid power up setting"); |
| } else if (last_cmd_type == |
| CAMERA_SENSOR_CMD_TYPE_PWR_DOWN) { |
| if (pwr_down > 0) |
| power_info-> |
| power_down_setting |
| [pwr_down - 1].delay += |
| wait_cmd->delay; |
| else |
| CAM_ERR(CAM_SENSOR, |
| "Delay is expected only after valid power up setting"); |
| } |
| } else |
| CAM_DBG(CAM_SENSOR, "Invalid op code: %d", |
| wait_cmd->op_code); |
| tot_size = tot_size + |
| sizeof(struct cam_cmd_unconditional_wait); |
| if (tot_size > cmd_length) { |
| CAM_ERR(CAM_SENSOR, "Command Buffer is wrong"); |
| return -EINVAL; |
| } |
| scr = (void *) (wait_cmd); |
| ptr = (void *) |
| (scr + |
| sizeof(struct cam_cmd_unconditional_wait)); |
| CAM_DBG(CAM_SENSOR, "ptr: %pK sizeof: %d Next: %pK", |
| scr, (int32_t)sizeof( |
| struct cam_cmd_unconditional_wait), ptr); |
| |
| cmm_hdr = (struct common_header *)ptr; |
| } else if (cmm_hdr->cmd_type == |
| CAMERA_SENSOR_CMD_TYPE_PWR_DOWN) { |
| struct cam_cmd_power *pwr_cmd = |
| (struct cam_cmd_power *)ptr; |
| |
| scr = ptr + sizeof(struct cam_cmd_power); |
| tot_size = tot_size + sizeof(struct cam_cmd_power); |
| power_info->power_down_setting_size += pwr_cmd->count; |
| |
| if (pwr_cmd->count == 0) |
| CAM_ERR(CAM_SENSOR, "Invalid Command"); |
| |
| for (i = 0; i < pwr_cmd->count; i++, pwr_down++) { |
| power_info-> |
| power_down_setting[pwr_down]. |
| seq_type = |
| pwr_cmd->power_settings[i]. |
| power_seq_type; |
| power_info-> |
| power_down_setting[pwr_down]. |
| config_val = |
| pwr_cmd->power_settings[i]. |
| config_val_low; |
| power_info-> |
| power_down_setting[pwr_down].delay = 0; |
| if (i) { |
| scr = scr + |
| sizeof( |
| struct cam_power_settings); |
| tot_size = |
| tot_size + |
| sizeof( |
| struct cam_power_settings); |
| } |
| if (tot_size > cmd_length) { |
| CAM_ERR(CAM_SENSOR, |
| "Command Buffer is wrong"); |
| rc = -EINVAL; |
| goto free_power_down_settings; |
| } |
| CAM_DBG(CAM_SENSOR, |
| "Seq Type[%d]: %d Config_val: %ld", |
| pwr_down, |
| power_info-> |
| power_down_setting[pwr_down]. |
| seq_type, |
| power_info-> |
| power_down_setting[pwr_down]. |
| config_val); |
| } |
| last_cmd_type = CAMERA_SENSOR_CMD_TYPE_PWR_DOWN; |
| ptr = (void *) scr; |
| cmm_hdr = (struct common_header *)ptr; |
| } else { |
| CAM_ERR(CAM_SENSOR, |
| "Error: Un expected Header Type: %d", |
| cmm_hdr->cmd_type); |
| } |
| } |
| |
| return rc; |
| free_power_down_settings: |
| kfree(power_info->power_down_setting); |
| free_power_settings: |
| kfree(power_info->power_setting); |
| return rc; |
| } |
| |
| int cam_get_dt_power_setting_data(struct device_node *of_node, |
| struct cam_hw_soc_info *soc_info, |
| struct cam_sensor_power_ctrl_t *power_info) |
| { |
| int rc = 0, i; |
| int count = 0; |
| const char *seq_name = NULL; |
| uint32_t *array = NULL; |
| struct cam_sensor_power_setting *ps; |
| int c, end; |
| |
| if (!power_info) |
| return -EINVAL; |
| |
| count = of_property_count_strings(of_node, "qcom,cam-power-seq-type"); |
| power_info->power_setting_size = count; |
| |
| CAM_DBG(CAM_SENSOR, "qcom,cam-power-seq-type count %d", count); |
| |
| if (count <= 0) |
| return 0; |
| |
| ps = kcalloc(count, sizeof(*ps), GFP_KERNEL); |
| if (!ps) |
| return -ENOMEM; |
| power_info->power_setting = ps; |
| |
| for (i = 0; i < count; i++) { |
| rc = of_property_read_string_index(of_node, |
| "qcom,cam-power-seq-type", i, &seq_name); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "failed"); |
| goto ERROR1; |
| } |
| CAM_DBG(CAM_SENSOR, "seq_name[%d] = %s", i, seq_name); |
| if (!strcmp(seq_name, "cam_vio")) { |
| ps[i].seq_type = SENSOR_VIO; |
| } else if (!strcmp(seq_name, "cam_vana")) { |
| ps[i].seq_type = SENSOR_VANA; |
| } else if (!strcmp(seq_name, "cam_clk")) { |
| ps[i].seq_type = SENSOR_MCLK; |
| } else { |
| CAM_ERR(CAM_SENSOR, "unrecognized seq-type %s", |
| seq_name); |
| rc = -EILSEQ; |
| goto ERROR1; |
| } |
| CAM_DBG(CAM_SENSOR, "seq_type[%d] %d", i, ps[i].seq_type); |
| } |
| |
| array = kcalloc(count, sizeof(uint32_t), GFP_KERNEL); |
| if (!array) { |
| rc = -ENOMEM; |
| goto ERROR1; |
| } |
| |
| rc = of_property_read_u32_array(of_node, "qcom,cam-power-seq-cfg-val", |
| array, count); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "failed "); |
| goto ERROR2; |
| } |
| |
| for (i = 0; i < count; i++) { |
| ps[i].config_val = array[i]; |
| CAM_DBG(CAM_SENSOR, "power_setting[%d].config_val = %ld", i, |
| ps[i].config_val); |
| } |
| |
| rc = of_property_read_u32_array(of_node, "qcom,cam-power-seq-delay", |
| array, count); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "failed"); |
| goto ERROR2; |
| } |
| for (i = 0; i < count; i++) { |
| ps[i].delay = array[i]; |
| CAM_DBG(CAM_SENSOR, "power_setting[%d].delay = %d", i, |
| ps[i].delay); |
| } |
| kfree(array); |
| |
| power_info->power_down_setting = |
| kzalloc(sizeof(*ps) * count, GFP_KERNEL); |
| |
| if (!power_info->power_down_setting) { |
| CAM_ERR(CAM_SENSOR, "failed"); |
| rc = -ENOMEM; |
| goto ERROR1; |
| } |
| |
| power_info->power_down_setting_size = count; |
| |
| end = count - 1; |
| |
| for (c = 0; c < count; c++) { |
| power_info->power_down_setting[c] = ps[end]; |
| end--; |
| } |
| return rc; |
| ERROR2: |
| kfree(array); |
| ERROR1: |
| kfree(ps); |
| return rc; |
| } |
| |
| int cam_sensor_util_init_gpio_pin_tbl( |
| struct cam_hw_soc_info *soc_info, |
| struct msm_camera_gpio_num_info **pgpio_num_info) |
| { |
| int rc = 0, val = 0; |
| uint32_t gpio_array_size; |
| struct device_node *of_node = NULL; |
| struct cam_soc_gpio_data *gconf = NULL; |
| struct msm_camera_gpio_num_info *gpio_num_info = NULL; |
| |
| if (!soc_info->dev) { |
| CAM_ERR(CAM_SENSOR, "device node NULL"); |
| return -EINVAL; |
| } |
| |
| of_node = soc_info->dev->of_node; |
| |
| gconf = soc_info->gpio_data; |
| if (!gconf) { |
| CAM_ERR(CAM_SENSOR, "No gpio_common_table is found"); |
| return -EINVAL; |
| } |
| |
| if (!gconf->cam_gpio_common_tbl) { |
| CAM_ERR(CAM_SENSOR, "gpio_common_table is not initialized"); |
| return -EINVAL; |
| } |
| |
| gpio_array_size = gconf->cam_gpio_common_tbl_size; |
| |
| if (!gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "invalid size of gpio table"); |
| return -EINVAL; |
| } |
| |
| *pgpio_num_info = kzalloc(sizeof(struct msm_camera_gpio_num_info), |
| GFP_KERNEL); |
| if (!*pgpio_num_info) |
| return -ENOMEM; |
| gpio_num_info = *pgpio_num_info; |
| |
| rc = of_property_read_u32(of_node, "gpio-vana", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "read gpio-vana failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-vana invalid %d", val); |
| rc = -EINVAL; |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_VANA] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_VANA] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-vana %d", |
| gpio_num_info->gpio_num[SENSOR_VANA]); |
| } |
| |
| rc = of_property_read_u32(of_node, "gpio-vio", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "read gpio-vio failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-vio invalid %d", val); |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_VIO] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_VIO] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-vio %d", |
| gpio_num_info->gpio_num[SENSOR_VIO]); |
| } |
| |
| rc = of_property_read_u32(of_node, "gpio-vaf", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "read gpio-vaf failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-vaf invalid %d", val); |
| rc = -EINVAL; |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_VAF] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_VAF] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-vaf %d", |
| gpio_num_info->gpio_num[SENSOR_VAF]); |
| } |
| |
| rc = of_property_read_u32(of_node, "gpio-vdig", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "read gpio-vdig failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-vdig invalid %d", val); |
| rc = -EINVAL; |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_VDIG] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_VDIG] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-vdig %d", |
| gpio_num_info->gpio_num[SENSOR_VDIG]); |
| } |
| |
| rc = of_property_read_u32(of_node, "gpio-reset", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "read gpio-reset failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-reset invalid %d", val); |
| rc = -EINVAL; |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_RESET] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_RESET] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-reset %d", |
| gpio_num_info->gpio_num[SENSOR_RESET]); |
| } |
| |
| rc = of_property_read_u32(of_node, "gpio-standby", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "read gpio-standby failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-standby invalid %d", val); |
| rc = -EINVAL; |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_STANDBY] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_STANDBY] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-standby %d", |
| gpio_num_info->gpio_num[SENSOR_STANDBY]); |
| } |
| |
| rc = of_property_read_u32(of_node, "gpio-af-pwdm", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "read gpio-af-pwdm failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-af-pwdm invalid %d", val); |
| rc = -EINVAL; |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_VAF_PWDM] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_VAF_PWDM] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-af-pwdm %d", |
| gpio_num_info->gpio_num[SENSOR_VAF_PWDM]); |
| } |
| |
| rc = of_property_read_u32(of_node, "gpio-custom1", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "read gpio-custom1 failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-custom1 invalid %d", val); |
| rc = -EINVAL; |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_CUSTOM_GPIO1] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_CUSTOM_GPIO1] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-custom1 %d", |
| gpio_num_info->gpio_num[SENSOR_CUSTOM_GPIO1]); |
| } |
| |
| rc = of_property_read_u32(of_node, "gpio-custom2", &val); |
| if (rc != -EINVAL) { |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "read gpio-custom2 failed rc %d", rc); |
| goto free_gpio_info; |
| } else if (val >= gpio_array_size) { |
| CAM_ERR(CAM_SENSOR, "gpio-custom2 invalid %d", val); |
| rc = -EINVAL; |
| goto free_gpio_info; |
| } |
| gpio_num_info->gpio_num[SENSOR_CUSTOM_GPIO2] = |
| gconf->cam_gpio_common_tbl[val].gpio; |
| gpio_num_info->valid[SENSOR_CUSTOM_GPIO2] = 1; |
| |
| CAM_DBG(CAM_SENSOR, "gpio-custom2 %d", |
| gpio_num_info->gpio_num[SENSOR_CUSTOM_GPIO2]); |
| } else { |
| rc = 0; |
| } |
| |
| return rc; |
| |
| free_gpio_info: |
| kfree(gpio_num_info); |
| gpio_num_info = NULL; |
| return rc; |
| } |
| |
| int msm_camera_pinctrl_init( |
| struct msm_pinctrl_info *sensor_pctrl, struct device *dev) { |
| |
| sensor_pctrl->pinctrl = devm_pinctrl_get(dev); |
| if (IS_ERR_OR_NULL(sensor_pctrl->pinctrl)) { |
| CAM_ERR(CAM_SENSOR, "Getting pinctrl handle failed"); |
| return -EINVAL; |
| } |
| sensor_pctrl->gpio_state_active = |
| pinctrl_lookup_state(sensor_pctrl->pinctrl, |
| CAM_SENSOR_PINCTRL_STATE_DEFAULT); |
| if (IS_ERR_OR_NULL(sensor_pctrl->gpio_state_active)) { |
| CAM_ERR(CAM_SENSOR, |
| "Failed to get the active state pinctrl handle"); |
| return -EINVAL; |
| } |
| sensor_pctrl->gpio_state_suspend |
| = pinctrl_lookup_state(sensor_pctrl->pinctrl, |
| CAM_SENSOR_PINCTRL_STATE_SLEEP); |
| if (IS_ERR_OR_NULL(sensor_pctrl->gpio_state_suspend)) { |
| CAM_ERR(CAM_SENSOR, |
| "Failed to get the suspend state pinctrl handle"); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| int msm_cam_sensor_handle_reg_gpio(int seq_type, |
| struct msm_camera_gpio_num_info *gpio_num_info, int val) |
| { |
| int gpio_offset = -1; |
| |
| if (!gpio_num_info) { |
| CAM_INFO(CAM_SENSOR, "Input Parameters are not proper"); |
| return 0; |
| } |
| |
| CAM_DBG(CAM_SENSOR, "Seq type: %d, config: %d", seq_type, val); |
| |
| gpio_offset = seq_type; |
| |
| if (gpio_num_info->valid[gpio_offset] == 1) { |
| CAM_DBG(CAM_SENSOR, "VALID GPIO offset: %d, seqtype: %d", |
| gpio_offset, seq_type); |
| gpio_set_value_cansleep( |
| gpio_num_info->gpio_num |
| [gpio_offset], val); |
| } |
| |
| return 0; |
| } |
| |
| int cam_sensor_core_power_up(struct cam_sensor_power_ctrl_t *ctrl, |
| struct cam_hw_soc_info *soc_info) |
| { |
| int rc = 0, index = 0, no_gpio = 0, ret = 0, num_vreg, j = 0; |
| int32_t vreg_idx = -1; |
| struct cam_sensor_power_setting *power_setting = NULL; |
| struct msm_camera_gpio_num_info *gpio_num_info = NULL; |
| |
| CAM_DBG(CAM_SENSOR, "Enter"); |
| if (!ctrl) { |
| CAM_ERR(CAM_SENSOR, "Invalid ctrl handle"); |
| return -EINVAL; |
| } |
| |
| gpio_num_info = ctrl->gpio_num_info; |
| num_vreg = soc_info->num_rgltr; |
| |
| if ((num_vreg <= 0) || (num_vreg > CAM_SOC_MAX_REGULATOR)) { |
| CAM_ERR(CAM_SENSOR, "failed: num_vreg %d", num_vreg); |
| return -EINVAL; |
| } |
| |
| ret = msm_camera_pinctrl_init(&(ctrl->pinctrl_info), ctrl->dev); |
| if (ret < 0) { |
| CAM_ERR(CAM_SENSOR, "Initialization of pinctrl failed"); |
| ctrl->cam_pinctrl_status = 0; |
| } else { |
| ctrl->cam_pinctrl_status = 1; |
| } |
| |
| rc = cam_sensor_util_request_gpio_table(soc_info, 1); |
| if (rc < 0) |
| no_gpio = rc; |
| |
| if (ctrl->cam_pinctrl_status) { |
| ret = pinctrl_select_state(ctrl->pinctrl_info.pinctrl, |
| ctrl->pinctrl_info.gpio_state_active); |
| if (ret) |
| CAM_ERR(CAM_SENSOR, "cannot set pin to active state"); |
| } |
| |
| for (index = 0; index < ctrl->power_setting_size; index++) { |
| CAM_DBG(CAM_SENSOR, "index: %d", index); |
| power_setting = &ctrl->power_setting[index]; |
| CAM_DBG(CAM_SENSOR, "seq_type %d", power_setting->seq_type); |
| |
| switch (power_setting->seq_type) { |
| case SENSOR_MCLK: |
| if (power_setting->seq_val >= soc_info->num_clk) { |
| CAM_ERR(CAM_SENSOR, "clk index %d >= max %u", |
| power_setting->seq_val, |
| soc_info->num_clk); |
| goto power_up_failed; |
| } |
| for (j = 0; j < num_vreg; j++) { |
| if (!strcmp(soc_info->rgltr_name[j], |
| "cam_clk")) { |
| CAM_DBG(CAM_SENSOR, |
| "Enable cam_clk: %d", j); |
| |
| soc_info->rgltr[j] = |
| regulator_get( |
| soc_info->dev, |
| soc_info->rgltr_name[j]); |
| |
| if (IS_ERR_OR_NULL( |
| soc_info->rgltr[j])) { |
| rc = PTR_ERR( |
| soc_info->rgltr[j]); |
| rc = rc ? rc : -EINVAL; |
| CAM_ERR(CAM_SENSOR, |
| "vreg %s %d", |
| soc_info->rgltr_name[j], |
| rc); |
| soc_info->rgltr[j] = NULL; |
| } |
| |
| rc = cam_soc_util_regulator_enable( |
| soc_info->rgltr[j], |
| soc_info->rgltr_name[j], |
| soc_info->rgltr_min_volt[j], |
| soc_info->rgltr_max_volt[j], |
| soc_info->rgltr_op_mode[j], |
| soc_info->rgltr_delay[j]); |
| |
| power_setting->data[0] = |
| soc_info->rgltr[j]; |
| } |
| } |
| if (power_setting->config_val) |
| soc_info->clk_rate[0][power_setting->seq_val] = |
| power_setting->config_val; |
| |
| for (j = 0; j < soc_info->num_clk; j++) { |
| rc = cam_soc_util_clk_enable(soc_info->clk[j], |
| soc_info->clk_name[j], |
| soc_info->clk_rate[0][j]); |
| if (rc) |
| break; |
| } |
| |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, "clk enable failed"); |
| goto power_up_failed; |
| } |
| break; |
| case SENSOR_RESET: |
| case SENSOR_STANDBY: |
| case SENSOR_CUSTOM_GPIO1: |
| case SENSOR_CUSTOM_GPIO2: |
| if (no_gpio) { |
| CAM_ERR(CAM_SENSOR, "request gpio failed"); |
| return no_gpio; |
| } |
| if (!gpio_num_info) { |
| CAM_ERR(CAM_SENSOR, "Invalid gpio_num_info"); |
| goto power_up_failed; |
| } |
| CAM_DBG(CAM_SENSOR, "gpio set val %d", |
| gpio_num_info->gpio_num |
| [power_setting->seq_type]); |
| |
| rc = msm_cam_sensor_handle_reg_gpio( |
| power_setting->seq_type, |
| gpio_num_info, 1); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "Error in handling VREG GPIO"); |
| goto power_up_failed; |
| } |
| break; |
| case SENSOR_VANA: |
| case SENSOR_VDIG: |
| case SENSOR_VIO: |
| case SENSOR_VAF: |
| case SENSOR_VAF_PWDM: |
| case SENSOR_CUSTOM_REG1: |
| case SENSOR_CUSTOM_REG2: |
| if (power_setting->seq_val == INVALID_VREG) |
| break; |
| |
| if (power_setting->seq_val >= CAM_VREG_MAX) { |
| CAM_ERR(CAM_SENSOR, "vreg index %d >= max %d", |
| power_setting->seq_val, |
| CAM_VREG_MAX); |
| goto power_up_failed; |
| } |
| if (power_setting->seq_val < num_vreg) { |
| CAM_DBG(CAM_SENSOR, "Enable Regulator"); |
| vreg_idx = power_setting->seq_val; |
| |
| soc_info->rgltr[vreg_idx] = |
| regulator_get(soc_info->dev, |
| soc_info->rgltr_name[vreg_idx]); |
| if (IS_ERR_OR_NULL( |
| soc_info->rgltr[vreg_idx])) { |
| rc = PTR_ERR(soc_info->rgltr[vreg_idx]); |
| rc = rc ? rc : -EINVAL; |
| |
| CAM_ERR(CAM_SENSOR, "%s get failed %d", |
| soc_info->rgltr_name[vreg_idx], |
| rc); |
| |
| soc_info->rgltr[vreg_idx] = NULL; |
| } |
| |
| rc = cam_soc_util_regulator_enable( |
| soc_info->rgltr[vreg_idx], |
| soc_info->rgltr_name[vreg_idx], |
| soc_info->rgltr_min_volt[vreg_idx], |
| soc_info->rgltr_max_volt[vreg_idx], |
| soc_info->rgltr_op_mode[vreg_idx], |
| soc_info->rgltr_delay[vreg_idx]); |
| |
| power_setting->data[0] = |
| soc_info->rgltr[vreg_idx]; |
| } |
| else |
| CAM_ERR(CAM_SENSOR, "usr_idx:%d dts_idx:%d", |
| power_setting->seq_val, num_vreg); |
| |
| rc = msm_cam_sensor_handle_reg_gpio( |
| power_setting->seq_type, |
| gpio_num_info, 1); |
| if (rc < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "Error in handling VREG GPIO"); |
| goto power_up_failed; |
| } |
| break; |
| default: |
| CAM_ERR(CAM_SENSOR, "error power seq type %d", |
| power_setting->seq_type); |
| break; |
| } |
| if (power_setting->delay > 20) |
| msleep(power_setting->delay); |
| else if (power_setting->delay) |
| usleep_range(power_setting->delay * 1000, |
| (power_setting->delay * 1000) + 1000); |
| } |
| |
| return 0; |
| power_up_failed: |
| CAM_ERR(CAM_SENSOR, "failed"); |
| for (index--; index >= 0; index--) { |
| CAM_DBG(CAM_SENSOR, "index %d", index); |
| power_setting = &ctrl->power_setting[index]; |
| CAM_DBG(CAM_SENSOR, "type %d", |
| power_setting->seq_type); |
| switch (power_setting->seq_type) { |
| case SENSOR_RESET: |
| case SENSOR_STANDBY: |
| case SENSOR_CUSTOM_GPIO1: |
| case SENSOR_CUSTOM_GPIO2: |
| if (!gpio_num_info) |
| continue; |
| if (!gpio_num_info->valid |
| [power_setting->seq_type]) |
| continue; |
| gpio_set_value_cansleep( |
| gpio_num_info->gpio_num |
| [power_setting->seq_type], GPIOF_OUT_INIT_LOW); |
| break; |
| case SENSOR_VANA: |
| case SENSOR_VDIG: |
| case SENSOR_VIO: |
| case SENSOR_VAF: |
| case SENSOR_VAF_PWDM: |
| case SENSOR_CUSTOM_REG1: |
| case SENSOR_CUSTOM_REG2: |
| if (power_setting->seq_val < num_vreg) { |
| CAM_DBG(CAM_SENSOR, "Disable Regulator"); |
| vreg_idx = power_setting->seq_val; |
| |
| rc = cam_soc_util_regulator_disable( |
| soc_info->rgltr[vreg_idx], |
| soc_info->rgltr_name[vreg_idx], |
| soc_info->rgltr_min_volt[vreg_idx], |
| soc_info->rgltr_max_volt[vreg_idx], |
| soc_info->rgltr_op_mode[vreg_idx], |
| soc_info->rgltr_delay[vreg_idx]); |
| |
| power_setting->data[0] = |
| soc_info->rgltr[vreg_idx]; |
| |
| } |
| else |
| CAM_ERR(CAM_SENSOR, "seq_val:%d > num_vreg: %d", |
| power_setting->seq_val, num_vreg); |
| |
| msm_cam_sensor_handle_reg_gpio(power_setting->seq_type, |
| gpio_num_info, GPIOF_OUT_INIT_LOW); |
| |
| break; |
| default: |
| CAM_ERR(CAM_SENSOR, "error power seq type %d", |
| power_setting->seq_type); |
| break; |
| } |
| if (power_setting->delay > 20) { |
| msleep(power_setting->delay); |
| } else if (power_setting->delay) { |
| usleep_range(power_setting->delay * 1000, |
| (power_setting->delay * 1000) + 1000); |
| } |
| } |
| if (ctrl->cam_pinctrl_status) { |
| ret = pinctrl_select_state(ctrl->pinctrl_info.pinctrl, |
| ctrl->pinctrl_info.gpio_state_suspend); |
| if (ret) |
| CAM_ERR(CAM_SENSOR, "cannot set pin to suspend state"); |
| devm_pinctrl_put(ctrl->pinctrl_info.pinctrl); |
| } |
| ctrl->cam_pinctrl_status = 0; |
| |
| cam_sensor_util_request_gpio_table(soc_info, 0); |
| |
| return rc; |
| } |
| |
| static struct cam_sensor_power_setting* |
| msm_camera_get_power_settings(struct cam_sensor_power_ctrl_t *ctrl, |
| enum msm_camera_power_seq_type seq_type, |
| uint16_t seq_val) |
| { |
| struct cam_sensor_power_setting *power_setting, *ps = NULL; |
| int idx; |
| |
| for (idx = 0; idx < ctrl->power_setting_size; idx++) { |
| power_setting = &ctrl->power_setting[idx]; |
| if (power_setting->seq_type == seq_type && |
| power_setting->seq_val == seq_val) { |
| ps = power_setting; |
| return ps; |
| } |
| |
| } |
| |
| return ps; |
| } |
| |
| static int cam_config_mclk_reg(struct cam_sensor_power_ctrl_t *ctrl, |
| struct cam_hw_soc_info *soc_info, int32_t index) |
| { |
| int32_t num_vreg = 0, j = 0, rc = 0, idx = 0; |
| struct cam_sensor_power_setting *ps = NULL; |
| struct cam_sensor_power_setting *pd = NULL; |
| |
| num_vreg = soc_info->num_rgltr; |
| |
| pd = &ctrl->power_down_setting[index]; |
| |
| for (j = 0; j < num_vreg; j++) { |
| if (!strcmp(soc_info->rgltr_name[j], "cam_clk")) { |
| |
| ps = NULL; |
| for (idx = 0; idx < |
| ctrl->power_setting_size; idx++) { |
| if (ctrl->power_setting[idx]. |
| seq_type == pd->seq_type) { |
| ps = &ctrl->power_setting[idx]; |
| break; |
| } |
| } |
| |
| if (ps != NULL) { |
| CAM_DBG(CAM_SENSOR, "Disable Regulator"); |
| |
| rc = cam_soc_util_regulator_disable( |
| soc_info->rgltr[j], |
| soc_info->rgltr_name[j], |
| soc_info->rgltr_min_volt[j], |
| soc_info->rgltr_max_volt[j], |
| soc_info->rgltr_op_mode[j], |
| soc_info->rgltr_delay[j]); |
| |
| ps->data[0] = |
| soc_info->rgltr[j]; |
| } |
| } |
| } |
| |
| return rc; |
| } |
| |
| int msm_camera_power_down(struct cam_sensor_power_ctrl_t *ctrl, |
| struct cam_hw_soc_info *soc_info) |
| { |
| int index = 0, ret = 0, num_vreg = 0, i; |
| struct cam_sensor_power_setting *pd = NULL; |
| struct cam_sensor_power_setting *ps; |
| struct msm_camera_gpio_num_info *gpio_num_info = NULL; |
| |
| CAM_DBG(CAM_SENSOR, "Enter"); |
| if (!ctrl || !soc_info) { |
| CAM_ERR(CAM_SENSOR, "failed ctrl %pK", ctrl); |
| return -EINVAL; |
| } |
| |
| gpio_num_info = ctrl->gpio_num_info; |
| num_vreg = soc_info->num_rgltr; |
| |
| if ((num_vreg <= 0) || (num_vreg > CAM_SOC_MAX_REGULATOR)) { |
| CAM_ERR(CAM_SENSOR, "failed: num_vreg %d", num_vreg); |
| return -EINVAL; |
| } |
| |
| for (index = 0; index < ctrl->power_down_setting_size; index++) { |
| CAM_DBG(CAM_SENSOR, "index %d", index); |
| pd = &ctrl->power_down_setting[index]; |
| ps = NULL; |
| CAM_DBG(CAM_SENSOR, "type %d", pd->seq_type); |
| switch (pd->seq_type) { |
| case SENSOR_MCLK: |
| ret = cam_config_mclk_reg(ctrl, soc_info, index); |
| if (ret < 0) { |
| CAM_ERR(CAM_SENSOR, |
| "config clk reg failed rc: %d", ret); |
| return ret; |
| } |
| //cam_soc_util_clk_disable_default(soc_info); |
| for (i = soc_info->num_clk - 1; i >= 0; i--) { |
| cam_soc_util_clk_disable(soc_info->clk[i], |
| soc_info->clk_name[i]); |
| } |
| |
| break; |
| case SENSOR_RESET: |
| case SENSOR_STANDBY: |
| case SENSOR_CUSTOM_GPIO1: |
| case SENSOR_CUSTOM_GPIO2: |
| |
| if (!gpio_num_info->valid[pd->seq_type]) |
| continue; |
| |
| gpio_set_value_cansleep( |
| gpio_num_info->gpio_num |
| [pd->seq_type], |
| (int) pd->config_val); |
| |
| break; |
| case SENSOR_VANA: |
| case SENSOR_VDIG: |
| case SENSOR_VIO: |
| case SENSOR_VAF: |
| case SENSOR_VAF_PWDM: |
| case SENSOR_CUSTOM_REG1: |
| case SENSOR_CUSTOM_REG2: |
| if (pd->seq_val == INVALID_VREG) |
| break; |
| |
| ps = msm_camera_get_power_settings( |
| ctrl, pd->seq_type, |
| pd->seq_val); |
| if (ps) { |
| if (pd->seq_val < num_vreg) { |
| CAM_DBG(CAM_SENSOR, |
| "Disable Regulator"); |
| ret = cam_soc_util_regulator_disable( |
| soc_info->rgltr[ps->seq_val], |
| soc_info->rgltr_name[ps->seq_val], |
| soc_info->rgltr_min_volt[ps->seq_val], |
| soc_info->rgltr_max_volt[ps->seq_val], |
| soc_info->rgltr_op_mode[ps->seq_val], |
| soc_info->rgltr_delay[ps->seq_val]); |
| |
| ps->data[0] = |
| soc_info->rgltr[ps->seq_val]; |
| } |
| else |
| CAM_ERR(CAM_SENSOR, |
| "seq_val:%d > num_vreg: %d", |
| pd->seq_val, |
| num_vreg); |
| } else |
| CAM_ERR(CAM_SENSOR, |
| "error in power up/down seq"); |
| |
| ret = msm_cam_sensor_handle_reg_gpio(pd->seq_type, |
| gpio_num_info, GPIOF_OUT_INIT_LOW); |
| |
| if (ret < 0) |
| CAM_ERR(CAM_SENSOR, |
| "Error disabling VREG GPIO"); |
| break; |
| default: |
| CAM_ERR(CAM_SENSOR, "error power seq type %d", |
| pd->seq_type); |
| break; |
| } |
| if (pd->delay > 20) |
| msleep(pd->delay); |
| else if (pd->delay) |
| usleep_range(pd->delay * 1000, |
| (pd->delay * 1000) + 1000); |
| } |
| |
| if (ctrl->cam_pinctrl_status) { |
| ret = pinctrl_select_state(ctrl->pinctrl_info.pinctrl, |
| ctrl->pinctrl_info.gpio_state_suspend); |
| if (ret) |
| CAM_ERR(CAM_SENSOR, "cannot set pin to suspend state"); |
| devm_pinctrl_put(ctrl->pinctrl_info.pinctrl); |
| } |
| |
| ctrl->cam_pinctrl_status = 0; |
| |
| cam_sensor_util_request_gpio_table(soc_info, 0); |
| |
| return 0; |
| } |
| |