diff options
Diffstat (limited to 'drivers/staging/media/atomisp/i2c/imx/imx.c')
| -rw-r--r-- | drivers/staging/media/atomisp/i2c/imx/imx.c | 2480 |
1 files changed, 0 insertions, 2480 deletions
diff --git a/drivers/staging/media/atomisp/i2c/imx/imx.c b/drivers/staging/media/atomisp/i2c/imx/imx.c deleted file mode 100644 index 49ab0af87096..000000000000 --- a/drivers/staging/media/atomisp/i2c/imx/imx.c +++ /dev/null @@ -1,2480 +0,0 @@ -/* - * Support for Sony imx 8MP camera sensor. - * - * Copyright (c) 2012 Intel Corporation. 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 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - */ -#include <asm/intel-mid.h> -#include "../../include/linux/atomisp_platform.h" -#include <linux/bitops.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/i2c.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include "../../include/linux/libmsrlisthelper.h" -#include <linux/mm.h> -#include <linux/kmod.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-device.h> -#include "imx.h" - -/* - * The imx135 embedded data info: - * embedded data line num: 2 - * line 0 effective data size(byte): 76 - * line 1 effective data size(byte): 113 - */ -static const uint32_t - imx135_embedded_effective_size[IMX135_EMBEDDED_DATA_LINE_NUM] - = {76, 113}; - -static enum atomisp_bayer_order imx_bayer_order_mapping[] = { - atomisp_bayer_order_rggb, - atomisp_bayer_order_grbg, - atomisp_bayer_order_gbrg, - atomisp_bayer_order_bggr -}; - -static const unsigned int -IMX227_BRACKETING_LUT_FRAME_ENTRY[IMX_MAX_AE_LUT_LENGTH] = { - 0x0E10, 0x0E1E, 0x0E2C, 0x0E3A, 0x0E48}; - -static int -imx_read_reg(struct i2c_client *client, u16 len, u16 reg, u16 *val) -{ - struct i2c_msg msg[2]; - u16 data[IMX_SHORT_MAX]; - int ret, i; - int retry = 0; - - if (len > IMX_BYTE_MAX) { - dev_err(&client->dev, "%s error, invalid data length\n", - __func__); - return -EINVAL; - } - - do { - memset(msg, 0 , sizeof(msg)); - memset(data, 0 , sizeof(data)); - - msg[0].addr = client->addr; - msg[0].flags = 0; - msg[0].len = I2C_MSG_LENGTH; - msg[0].buf = (u8 *)data; - /* high byte goes first */ - data[0] = cpu_to_be16(reg); - - msg[1].addr = client->addr; - msg[1].len = len; - msg[1].flags = I2C_M_RD; - msg[1].buf = (u8 *)data; - - ret = i2c_transfer(client->adapter, msg, 2); - if (ret != 2) { - dev_err(&client->dev, - "retrying i2c read from offset 0x%x error %d... %d\n", - reg, ret, retry); - msleep(20); - } - } while (ret != 2 && retry++ < I2C_RETRY_COUNT); - - if (ret != 2) - return -EIO; - - /* high byte comes first */ - if (len == IMX_8BIT) { - *val = (u8)data[0]; - } else { - /* 16-bit access is default when len > 1 */ - for (i = 0; i < (len >> 1); i++) - val[i] = be16_to_cpu(data[i]); - } - - return 0; -} - -static int imx_i2c_write(struct i2c_client *client, u16 len, u8 *data) -{ - struct i2c_msg msg; - int ret; - int retry = 0; - - do { - msg.addr = client->addr; - msg.flags = 0; - msg.len = len; - msg.buf = data; - - ret = i2c_transfer(client->adapter, &msg, 1); - if (ret != 1) { - dev_err(&client->dev, - "retrying i2c write transfer... %d\n", retry); - msleep(20); - } - } while (ret != 1 && retry++ < I2C_RETRY_COUNT); - - return ret == 1 ? 0 : -EIO; -} - -int -imx_write_reg(struct i2c_client *client, u16 data_length, u16 reg, u16 val) -{ - int ret; - unsigned char data[4] = {0}; - u16 *wreg = (u16 *)data; - const u16 len = data_length + sizeof(u16); /* 16-bit address + data */ - - if (data_length != IMX_8BIT && data_length != IMX_16BIT) { - v4l2_err(client, "%s error, invalid data_length\n", __func__); - return -EINVAL; - } - - /* high byte goes out first */ - *wreg = cpu_to_be16(reg); - - if (data_length == IMX_8BIT) - data[2] = (u8)(val); - else { - /* IMX_16BIT */ - u16 *wdata = (u16 *)&data[2]; - *wdata = cpu_to_be16(val); - } - - ret = imx_i2c_write(client, len, data); - if (ret) - dev_err(&client->dev, - "write error: wrote 0x%x to offset 0x%x error %d", - val, reg, ret); - - return ret; -} - -/* - * imx_write_reg_array - Initializes a list of imx registers - * @client: i2c driver client structure - * @reglist: list of registers to be written - * - * This function initializes a list of registers. When consecutive addresses - * are found in a row on the list, this function creates a buffer and sends - * consecutive data in a single i2c_transfer(). - * - * __imx_flush_reg_array, __imx_buf_reg_array() and - * __imx_write_reg_is_consecutive() are internal functions to - * imx_write_reg_array_fast() and should be not used anywhere else. - * - */ - -static int __imx_flush_reg_array(struct i2c_client *client, - struct imx_write_ctrl *ctrl) -{ - u16 size; - - if (ctrl->index == 0) - return 0; - - size = sizeof(u16) + ctrl->index; /* 16-bit address + data */ - ctrl->buffer.addr = cpu_to_be16(ctrl->buffer.addr); - ctrl->index = 0; - - return imx_i2c_write(client, size, (u8 *)&ctrl->buffer); -} - -static int __imx_buf_reg_array(struct i2c_client *client, - struct imx_write_ctrl *ctrl, - const struct imx_reg *next) -{ - int size; - u16 *data16; - - switch (next->type) { - case IMX_8BIT: - size = 1; - ctrl->buffer.data[ctrl->index] = (u8)next->val; - break; - case IMX_16BIT: - size = 2; - data16 = (u16 *)&ctrl->buffer.data[ctrl->index]; - *data16 = cpu_to_be16((u16)next->val); - break; - default: - return -EINVAL; - } - - /* When first item is added, we need to store its starting address */ - if (ctrl->index == 0) - ctrl->buffer.addr = next->sreg; - - ctrl->index += size; - - /* - * Buffer cannot guarantee free space for u32? Better flush it to avoid - * possible lack of memory for next item. - */ - if (ctrl->index + sizeof(u16) >= IMX_MAX_WRITE_BUF_SIZE) - return __imx_flush_reg_array(client, ctrl); - - return 0; -} - -static int -__imx_write_reg_is_consecutive(struct i2c_client *client, - struct imx_write_ctrl *ctrl, - const struct imx_reg *next) -{ - if (ctrl->index == 0) - return 1; - - return ctrl->buffer.addr + ctrl->index == next->sreg; -} - -static int imx_write_reg_array(struct i2c_client *client, - const struct imx_reg *reglist) -{ - const struct imx_reg *next = reglist; - struct imx_write_ctrl ctrl; - int err; - - ctrl.index = 0; - for (; next->type != IMX_TOK_TERM; next++) { - switch (next->type & IMX_TOK_MASK) { - case IMX_TOK_DELAY: - err = __imx_flush_reg_array(client, &ctrl); - if (err) - return err; - msleep(next->val); - break; - - default: - /* - * If next address is not consecutive, data needs to be - * flushed before proceed. - */ - if (!__imx_write_reg_is_consecutive(client, &ctrl, - next)) { - err = __imx_flush_reg_array(client, &ctrl); - if (err) - return err; - } - err = __imx_buf_reg_array(client, &ctrl, next); - if (err) { - v4l2_err(client, "%s: write error, aborted\n", - __func__); - return err; - } - break; - } - } - - return __imx_flush_reg_array(client, &ctrl); -} - -static int __imx_min_fps_diff(int fps, const struct imx_fps_setting *fps_list) -{ - int diff = INT_MAX; - int i; - - if (fps == 0) - return 0; - - for (i = 0; i < MAX_FPS_OPTIONS_SUPPORTED; i++) { - if (!fps_list[i].fps) - break; - if (abs(fps_list[i].fps - fps) < diff) - diff = abs(fps_list[i].fps - fps); - } - - return diff; -} - -static int __imx_nearest_fps_index(int fps, - const struct imx_fps_setting *fps_list) -{ - int fps_index = 0; - int i; - - for (i = 0; i < MAX_FPS_OPTIONS_SUPPORTED; i++) { - if (!fps_list[i].fps) - break; - if (abs(fps_list[i].fps - fps) - < abs(fps_list[fps_index].fps - fps)) - fps_index = i; - } - return fps_index; -} - -/* - * This is to choose the nearest fps setting above the requested fps - * fps_list should be in ascendant order. - */ -static int __imx_above_nearest_fps_index(int fps, - const struct imx_fps_setting *fps_list) -{ - int fps_index = 0; - int i; - - for (i = 0; i < MAX_FPS_OPTIONS_SUPPORTED; i++) { - if (!fps_list[i].fps) - break; - if (fps <= fps_list[i].fps) { - fps_index = i; - break; - } - } - - return fps_index; -} - -static int imx_get_lanes(struct v4l2_subdev *sd) -{ - struct camera_mipi_info *imx_info = v4l2_get_subdev_hostdata(sd); - - if (!imx_info) - return -ENOSYS; - if (imx_info->num_lanes < 1 || imx_info->num_lanes > 4 || - imx_info->num_lanes == 3) - return -EINVAL; - - return imx_info->num_lanes; -} - -static int __imx_update_exposure_timing(struct i2c_client *client, u16 exposure, - u16 llp, u16 fll) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct imx_device *dev = to_imx_sensor(sd); - int ret = 0; - - if (dev->sensor_id != IMX227_ID) { - /* Increase the VTS to match exposure + margin */ - if (exposure > fll - IMX_INTEGRATION_TIME_MARGIN) - fll = exposure + IMX_INTEGRATION_TIME_MARGIN; - } - - ret = imx_write_reg(client, IMX_16BIT, - dev->reg_addr->line_length_pixels, llp); - if (ret) - return ret; - - ret = imx_write_reg(client, IMX_16BIT, - dev->reg_addr->frame_length_lines, fll); - if (ret) - return ret; - - if (exposure) - ret = imx_write_reg(client, IMX_16BIT, - dev->reg_addr->coarse_integration_time, exposure); - - return ret; -} - -static int __imx_update_gain(struct v4l2_subdev *sd, u16 gain) -{ - struct imx_device *dev = to_imx_sensor(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - int ret; - - /* set global gain */ - ret = imx_write_reg(client, IMX_8BIT, dev->reg_addr->global_gain, gain); - if (ret) - return ret; - - /* set short analog gain */ - if (dev->sensor_id == IMX135_ID) - ret = imx_write_reg(client, IMX_8BIT, IMX_SHORT_AGC_GAIN, gain); - - return ret; -} - -static int __imx_update_digital_gain(struct i2c_client *client, u16 digitgain) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct imx_device *dev = to_imx_sensor(sd); - struct imx_write_buffer digit_gain; - - digit_gain.addr = cpu_to_be16(dev->reg_addr->dgc_adj); - digit_gain.data[0] = (digitgain >> 8) & 0xFF; - digit_gain.data[1] = digitgain & 0xFF; - - if (dev->sensor_id == IMX219_ID) { - return imx_i2c_write(client, IMX219_DGC_LEN, (u8 *)&digit_gain); - } else if (dev->sensor_id == IMX227_ID) { - return imx_i2c_write(client, IMX227_DGC_LEN, (u8 *)&digit_gain); - } else { - digit_gain.data[2] = (digitgain >> 8) & 0xFF; - digit_gain.data[3] = digitgain & 0xFF; - digit_gain.data[4] = (digitgain >> 8) & 0xFF; - digit_gain.data[5] = digitgain & 0xFF; - digit_gain.data[6] = (digitgain >> 8) & 0xFF; - digit_gain.data[7] = digitgain & 0xFF; - return imx_i2c_write(client, IMX_DGC_LEN, (u8 *)&digit_gain); - } - return 0; -} - -static int imx_set_exposure_gain(struct v4l2_subdev *sd, u16 coarse_itg, - u16 gain, u16 digitgain) -{ - struct imx_device *dev = to_imx_sensor(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - int lanes = imx_get_lanes(sd); - unsigned int digitgain_scaled; - int ret = 0; - - /* Validate exposure: cannot exceed VTS-4 where VTS is 16bit */ - coarse_itg = clamp_t(u16, coarse_itg, 0, IMX_MAX_EXPOSURE_SUPPORTED); - - /* Validate gain: must not exceed maximum 8bit value */ - gain = clamp_t(u16, gain, 0, IMX_MAX_GLOBAL_GAIN_SUPPORTED); - - mutex_lock(&dev->input_lock); - - if (dev->sensor_id == IMX227_ID) { - ret = imx_write_reg_array(client, imx_param_hold); - if (ret) { - mutex_unlock(&dev->input_lock); - return ret; - } - } - - /* For imx175, setting gain must be delayed by one */ - if ((dev->sensor_id == IMX175_ID) && dev->digital_gain) - digitgain_scaled = dev->digital_gain; - else - digitgain_scaled = digitgain; - /* imx132 with two lanes needs more gain to saturate at max */ - if (dev->sensor_id == IMX132_ID && lanes > 1) { - digitgain_scaled *= IMX132_2LANES_GAINFACT; - digitgain_scaled >>= IMX132_2LANES_GAINFACT_SHIFT; - } - /* Validate digital gain: must not exceed 12 bit value*/ - digitgain_scaled = clamp_t(unsigned int, digitgain_scaled, - 0, IMX_MAX_DIGITAL_GAIN_SUPPORTED); - - ret = __imx_update_exposure_timing(client, coarse_itg, - dev->pixels_per_line, dev->lines_per_frame); - if (ret) - goto out; - dev->coarse_itg = coarse_itg; - - if (dev->sensor_id == IMX175_ID) - ret = __imx_update_gain(sd, dev->gain); - else - ret = __imx_update_gain(sd, gain); - if (ret) - goto out; - dev->gain = gain; - - ret = __imx_update_digital_gain(client, digitgain_scaled); - if (ret) - goto out; - dev->digital_gain = digitgain; - -out: - if (dev->sensor_id == IMX227_ID) - ret = imx_write_reg_array(client, imx_param_update); - mutex_unlock(&dev->input_lock); - return ret; -} - -static long imx_s_exposure(struct v4l2_subdev *sd, - struct atomisp_exposure *exposure) -{ - return imx_set_exposure_gain(sd, exposure->integration_time[0], - exposure->gain[0], exposure->gain[1]); -} - -/* FIXME -To be updated with real OTP reading */ -static int imx_g_priv_int_data(struct v4l2_subdev *sd, - struct v4l2_private_int_data *priv) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct imx_device *dev = to_imx_sensor(sd); - u8 __user *to = priv->data; - u32 read_size = priv->size; - int ret; - - /* No need to copy data if size is 0 */ - if (!read_size) - goto out; - - if (IS_ERR(dev->otp_data)) { - dev_err(&client->dev, "OTP data not available"); - return PTR_ERR(dev->otp_data); - } - /* Correct read_size value only if bigger than maximum */ - if (read_size > dev->otp_driver->size) - read_size = dev->otp_driver->size; - - ret = copy_to_user(to, dev->otp_data, read_size); - if (ret) { - dev_err(&client->dev, "%s: failed to copy OTP data to user\n", - __func__); - return -EFAULT; - } -out: - /* Return correct size */ - priv->size = dev->otp_driver->size; - - return 0; -} - -static int __imx_init(struct v4l2_subdev *sd, u32 val) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct imx_device *dev = to_imx_sensor(sd); - int lanes = imx_get_lanes(sd); - int ret; - - if (dev->sensor_id == IMX_ID_DEFAULT) - return 0; - - /* The default is no flip at sensor initialization */ - dev->h_flip->cur.val = 0; - dev->v_flip->cur.val = 0; - /* Sets the default FPS */ - dev->fps_index = 0; - dev->curr_res_table = dev->mode_tables->res_preview; - dev->entries_curr_table = dev->mode_tables->n_res_preview; - - ret = imx_write_reg_array(client, dev->mode_tables->init_settings); - if (ret) - return ret; - - if (dev->sensor_id == IMX132_ID && lanes > 0) { - static const u8 imx132_rglanesel[] = { - IMX132_RGLANESEL_1LANE, /* 1 lane */ - IMX132_RGLANESEL_2LANES, /* 2 lanes */ - IMX132_RGLANESEL_1LANE, /* undefined */ - IMX132_RGLANESEL_4LANES, /* 4 lanes */ - }; - ret = imx_write_reg(client, IMX_8BIT, - IMX132_RGLANESEL, imx132_rglanesel[lanes - 1]); - } - - return ret; -} - -static int imx_init(struct v4l2_subdev *sd, u32 val) -{ - struct imx_device *dev = to_imx_sensor(sd); - int ret = 0; - - mutex_lock(&dev->input_lock); - ret = __imx_init(sd, val); - mutex_unlock(&dev->input_lock); - - return ret; -} - -static long imx_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) -{ - - switch (cmd) { - case ATOMISP_IOC_S_EXPOSURE: - return imx_s_exposure(sd, arg); - case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA: - return imx_g_priv_int_data(sd, arg); - default: - return -EINVAL; - } - return 0; -} - -static int power_up(struct v4l2_subdev *sd) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct imx_device *dev = to_imx_sensor(sd); - int ret; - - /* power control */ - ret = dev->platform_data->power_ctrl(sd, 1); - if (ret) - goto fail_power; - - /* flis clock control */ - ret = dev->platform_data->flisclk_ctrl(sd, 1); - if (ret) - goto fail_clk; - - /* gpio ctrl */ - ret = dev->platform_data->gpio_ctrl(sd, 1); - if (ret) { - dev_err(&client->dev, "gpio failed\n"); - goto fail_gpio; - } - - return 0; -fail_gpio: - dev->platform_data->gpio_ctrl(sd, 0); -fail_clk: - dev->platform_data->flisclk_ctrl(sd, 0); -fail_power: - dev->platform_data->power_ctrl(sd, 0); - dev_err(&client->dev, "sensor power-up failed\n"); - - return ret; -} - -static int power_down(struct v4l2_subdev *sd) -{ - struct imx_device *dev = to_imx_sensor(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - int ret; - - ret = dev->platform_data->flisclk_ctrl(sd, 0); - if (ret) - dev_err(&client->dev, "flisclk failed\n"); - - /* gpio ctrl */ - ret = dev->platform_data->gpio_ctrl(sd, 0); - if (ret) - dev_err(&client->dev, "gpio failed\n"); - - /* power control */ - ret = dev->platform_data->power_ctrl(sd, 0); - if (ret) - dev_err(&client->dev, "vprog failed.\n"); - - return ret; -} - -static int __imx_s_power(struct v4l2_subdev *sd, int on) -{ - struct imx_device *dev = to_imx_sensor(sd); - int ret = 0; - int r = 0; - - if (on == 0) { - ret = power_down(sd); - if (dev->vcm_driver && dev->vcm_driver->power_down) - r = dev->vcm_driver->power_down(sd); - if (ret == 0) - ret = r; - dev->power = 0; - } else { - if (dev->vcm_driver && dev->vcm_driver->power_up) - ret = dev->vcm_driver->power_up(sd); - if (ret) - return ret; - ret = power_up(sd); - if (!ret) { - dev->power = 1; - return __imx_init(sd, 0); - } - } - - return ret; -} - -static int imx_s_power(struct v4l2_subdev *sd, int on) -{ - int ret; - struct imx_device *dev = to_imx_sensor(sd); - - mutex_lock(&dev->input_lock); - ret = __imx_s_power(sd, on); - mutex_unlock(&dev->input_lock); - - return ret; -} - -static int imx_get_intg_factor(struct i2c_client *client, - struct camera_mipi_info *info, - const struct imx_reg *reglist) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct imx_device *dev = to_imx_sensor(sd); - int lanes = imx_get_lanes(sd); - u32 vt_pix_clk_div; - u32 vt_sys_clk_div; - u32 pre_pll_clk_div; - u32 pll_multiplier; - - const int ext_clk_freq_hz = 19200000; - struct atomisp_sensor_mode_data *buf = &info->data; - int ret; - u16 data[IMX_INTG_BUF_COUNT]; - - u32 vt_pix_clk_freq_mhz; - u32 coarse_integration_time_min; - u32 coarse_integration_time_max_margin; - u32 read_mode; - u32 div; - - if (info == NULL) - return -EINVAL; - - memset(data, 0, IMX_INTG_BUF_COUNT * sizeof(u16)); - ret = imx_read_reg(client, 1, IMX_VT_PIX_CLK_DIV, data); - if (ret) - return ret; - vt_pix_clk_div = data[0] & IMX_MASK_5BIT; - - if (dev->sensor_id == IMX132_ID || dev->sensor_id == IMX208_ID) { - static const int rgpltd[] = { 2, 4, 1, 1 }; - ret = imx_read_reg(client, 1, IMX132_208_VT_RGPLTD, data); - if (ret) - return ret; - vt_sys_clk_div = rgpltd[data[0] & IMX_MASK_2BIT]; - } else { - ret = imx_read_reg(client, 1, IMX_VT_SYS_CLK_DIV, data); - if (ret) - return ret; - vt_sys_clk_div = data[0] & IMX_MASK_2BIT; - } - ret = imx_read_reg(client, 1, IMX_PRE_PLL_CLK_DIV, data); - if (ret) - return ret; - pre_pll_clk_div = data[0] & IMX_MASK_4BIT; - - ret = imx_read_reg(client, 2, - (dev->sensor_id == IMX132_ID || - dev->sensor_id == IMX219_ID || - dev->sensor_id == IMX208_ID) ? - IMX132_208_219_PLL_MULTIPLIER : IMX_PLL_MULTIPLIER, data); - if (ret) - return ret; - pll_multiplier = data[0] & IMX_MASK_11BIT; - - memset(data, 0, IMX_INTG_BUF_COUNT * sizeof(u16)); - ret = imx_read_reg(client, 4, IMX_COARSE_INTG_TIME_MIN, data); - if (ret) - return ret; - coarse_integration_time_min = data[0]; - coarse_integration_time_max_margin = data[1]; - - /* Get the cropping and output resolution to ISP for this mode. */ - ret = imx_read_reg(client, 2, dev->reg_addr->horizontal_start_h, data); - if (ret) - return ret; - buf->crop_horizontal_start = data[0]; - - ret = imx_read_reg(client, 2, dev->reg_addr->vertical_start_h, data); - if (ret) - return ret; - buf->crop_vertical_start = data[0]; - - ret = imx_read_reg(client, 2, dev->reg_addr->horizontal_end_h, data); - if (ret) - return ret; - buf->crop_horizontal_end = data[0]; - - ret = imx_read_reg(client, 2, dev->reg_addr->vertical_end_h, data); - if (ret) - return ret; - buf->crop_vertical_end = data[0]; - - ret = imx_read_reg(client, 2, - dev->reg_addr->horizontal_output_size_h, data); - if (ret) - return ret; - buf->output_width = data[0]; - - ret = imx_read_reg(client, 2, - dev->reg_addr->vertical_output_size_h, data); - if (ret) - return ret; - buf->output_height = data[0]; - - memset(data, 0, IMX_INTG_BUF_COUNT * sizeof(u16)); - if (dev->sensor_id == IMX132_ID || dev->sensor_id == IMX208_ID || - dev->sensor_id == IMX219_ID) - read_mode = 0; - else { - if (dev->sensor_id == IMX227_ID) - ret = imx_read_reg(client, 1, IMX227_READ_MODE, data); - else - ret = imx_read_reg(client, 1, IMX_READ_MODE, data); - - if (ret) - return ret; - read_mode = data[0] & IMX_MASK_2BIT; - } - - div = pre_pll_clk_div*vt_sys_clk_div*vt_pix_clk_div; - if (div == 0) - return -EINVAL; - - if (dev->sensor_id == IMX132_ID || dev->sensor_id == IMX208_ID) - vt_pix_clk_freq_mhz = ext_clk_freq_hz / div; - else if (dev->sensor_id == IMX227_ID) { - /* according to IMX227 datasheet: - * vt_pix_freq_mhz = * num_of_vt_lanes(4) * ivt_pix_clk_freq_mhz - */ - vt_pix_clk_freq_mhz = - (u64)4 * ext_clk_freq_hz * pll_multiplier; - do_div(vt_pix_clk_freq_mhz, div); - } else - vt_pix_clk_freq_mhz = 2 * ext_clk_freq_hz / div; - - vt_pix_clk_freq_mhz *= pll_multiplier; - if (dev->sensor_id == IMX132_ID && lanes > 0) - vt_pix_clk_freq_mhz *= lanes; - - dev->vt_pix_clk_freq_mhz = vt_pix_clk_freq_mhz; - - buf->vt_pix_clk_freq_mhz = vt_pix_clk_freq_mhz; - buf->coarse_integration_time_min = coarse_integration_time_min; - buf->coarse_integration_time_max_margin = - coarse_integration_time_max_margin; - - buf->fine_integration_time_min = IMX_FINE_INTG_TIME; - buf->fine_integration_time_max_margin = IMX_FINE_INTG_TIME; - buf->fine_integration_time_def = IMX_FINE_INTG_TIME; - buf->frame_length_lines = dev->lines_per_frame; - buf->line_length_pck = dev->pixels_per_line; - buf->read_mode = read_mode; - - if (dev->sensor_id == IMX132_ID || dev->sensor_id == IMX208_ID || - dev->sensor_id == IMX219_ID) { - buf->binning_factor_x = 1; - buf->binning_factor_y = 1; - } else { - if (dev->sensor_id == IMX227_ID) - ret = imx_read_reg(client, 1, IMX227_BINNING_ENABLE, - data); - else - ret = imx_read_reg(client, 1, IMX_BINNING_ENABLE, data); - - if (ret) - return ret; - /* 1:binning enabled, 0:disabled */ - if (data[0] == 1) { - if (dev->sensor_id == IMX227_ID) - ret = imx_read_reg(client, 1, - IMX227_BINNING_TYPE, data); - else - ret = imx_read_reg(client, 1, - IMX_BINNING_TYPE, data); - - if (ret) - return ret; - buf->binning_factor_x = data[0] >> 4 & 0x0f; - if (!buf->binning_factor_x) - buf->binning_factor_x = 1; - buf->binning_factor_y = data[0] & 0xf; - if (!buf->binning_factor_y) - buf->binning_factor_y = 1; - /* WOWRKAROUND, NHD setting for IMX227 should have 4x4 - * binning but the register setting does not reflect - * this, I am asking vendor why this happens. this is - * workaround for INTEL BZ 216560. - */ - if (dev->sensor_id == IMX227_ID) { - if (dev->curr_res_table[dev->fmt_idx].width == - 376 && - dev->curr_res_table[dev->fmt_idx].height == - 656) { - buf->binning_factor_x = 4; - buf->binning_factor_y = 4; - } - } - } else { - buf->binning_factor_x = 1; - buf->binning_factor_y = 1; - } - } - - return 0; -} - -/* This returns the exposure time being used. This should only be used - for filling in EXIF data, not for actual image processing. */ -static int imx_q_exposure(struct v4l2_subdev *sd, s32 *value) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct imx_device *dev = to_imx_sensor(sd); - u16 coarse; - int ret; - - /* the fine integration time is currently not calculated */ - ret = imx_read_reg(client, IMX_16BIT, - dev->reg_addr->coarse_integration_time, &coarse); - *value = coarse; - - return ret; -} - -static int imx_test_pattern(struct v4l2_subdev *sd) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct imx_device *dev = to_imx_sensor(sd); - int ret; - - if (dev->power == 0) - return 0; - - ret = imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_COLOR_R, - (u16)(dev->tp_r->val >> 22)); - if (ret) - return ret; - - ret = imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_COLOR_GR, - (u16)(dev->tp_gr->val >> 22)); - if (ret) - return ret; - - ret = imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_COLOR_GB, - (u16)(dev->tp_gb->val >> 22)); - if (ret) - return ret; - - ret = imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_COLOR_B, - (u16)(dev->tp_b->val >> 22)); - if (ret) - return ret; - - return imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_MODE, - (u16)(dev->tp_mode->val)); -} - -static u32 imx_translate_bayer_order(enum atomisp_bayer_order code) -{ - switch (code) { - case atomisp_bayer_order_rggb: - return MEDIA_BUS_FMT_SRGGB10_1X10; - case atomisp_bayer_order_grbg: - return MEDIA_BUS_FMT_SGRBG10_1X10; - case atomisp_bayer_order_bggr: - return MEDIA_BUS_FMT_SBGGR10_1X10; - case atomisp_bayer_order_gbrg: - return MEDIA_BUS_FMT_SGBRG10_1X10; - } - return 0; -} - -static int imx_v_flip(struct v4l2_subdev *sd, s32 value) -{ - struct imx_device *dev = to_imx_sensor(sd); - struct camera_mipi_info *imx_info = NULL; - struct i2c_client *client = v4l2_get_subdevdata(sd); - int ret; - u16 val; - - if (dev->power == 0) - return -EIO; - - ret = imx_write_reg_array(client, dev->param_hold); - if (ret) - return ret; - - ret = imx_read_reg(client, IMX_8BIT, - dev->reg_addr->img_orientation, &val); - if (ret) - return ret; - if (value) - val |= IMX_VFLIP_BIT; - else - val &= ~IMX_VFLIP_BIT; - - ret = imx_write_reg(client, IMX_8BIT, - dev->reg_addr->img_orientation, val); - if (ret) - return ret; - - imx_info = v4l2_get_subdev_hostdata(sd); - if (imx_info) { - val &= (IMX_VFLIP_BIT|IMX_HFLIP_BIT); - imx_info->raw_bayer_order = imx_bayer_order_mapping[val]; - dev->format.code = imx_translate_bayer_order( - imx_info->raw_bayer_order); - } - - return imx_write_reg_array(client, dev->param_update); -} - -static int imx_h_flip(struct v4l2_subdev *sd, s32 value) -{ - struct imx_device *dev = to_imx_sensor(sd); - struct camera_mipi_info *imx_info = NULL; - struct i2c_client *client = v4l2_get_subdevdata(sd); - int ret; - u16 val; - - if (dev->power == 0) - return -EIO; - - ret = imx_write_reg_array(client, dev->param_hold); - if (ret) - return ret; - ret = imx_read_reg(client, IMX_8BIT, - dev->reg_addr->img_orientation, &val); - if (ret) - return ret; - if (value) - val |= IMX_HFLIP_BIT; - else - val &= ~IMX_HFLIP_BIT; - ret = imx_write_reg(client, IMX_8BIT, - dev->reg_addr->img_orientation, val); - if (ret) - return ret; - - imx_info = v4l2_get_subdev_hostdata(sd); - if (imx_info) { - val &= (IMX_VFLIP_BIT|IMX_HFLIP_BIT); - imx_info->raw_bayer_order = imx_bayer_order_mapping[val]; - dev->format.code = imx_translate_bayer_order( - imx_info->raw_bayer_order); - } - - return imx_write_reg_array(client, dev->param_update); -} - -static int imx_g_focal(struct v4l2_subdev *sd, s32 *val) -{ - *val = (IMX_FOCAL_LENGTH_NUM << 16) | IMX_FOCAL_LENGTH_DEM; - return 0; -} - -static int imx_g_fnumber(struct v4l2_subdev *sd, s32 *val) -{ - /*const f number for imx*/ - *val = (IMX_F_NUMBER_DEFAULT_NUM << 16) | IMX_F_NUMBER_DEM; - return 0; -} - -static int imx_g_fnumber_range(struct v4l2_subdev *sd, s32 *val) -{ - *val = (IMX_F_NUMBER_DEFAULT_NUM << 24) | - (IMX_F_NUMBER_DEM << 16) | - (IMX_F_NUMBER_DEFAULT_NUM << 8) | IMX_F_NUMBER_DEM; - return 0; -} - -static int imx_g_bin_factor_x(struct v4l2_subdev *sd, s32 *val) -{ - struct imx_device *dev = to_imx_sensor(sd); - - *val = dev->curr_res_table[dev->fmt_idx].bin_factor_x; - - return 0; -} - -static int imx_g_bin_factor_y(struct v4l2_subdev *sd, s32 *val) -{ - struct imx_device *dev = to_imx_sensor(sd); - - *val = dev->curr_res_table[dev->fmt_idx].bin_factor_y; - - return 0; -} - -static int imx_t_focus_abs(struct v4l2_subdev *sd, s32 value) -{ - struct imx_device *dev = to_imx_sensor(sd); - if (dev->vcm_driver && dev->vcm_driver->t_focus_abs) - return dev->vcm_driver->t_focus_abs(sd, value); - return 0; -} - -static int imx_t_focus_rel(struct v4l2_subdev *sd, s32 value) -{ - struct imx_device *dev = to_imx_sensor(sd); - if (dev->vcm_driver && dev->vcm_driver->t_focus_rel) - return dev->vcm_driver->t_focus_rel(sd, value); - return 0; -} - -static int imx_q_focus_status(struct v4l2_subdev *sd, s32 *value) -{ - struct imx_device *dev = to_imx_sensor(sd); - if (dev->vcm_driver && dev->vcm_driver->q_focus_status) - return dev->vcm_driver->q_focus_status(sd, value); - return 0; -} - -static int imx_q_focus_abs(struct v4l2_subdev *sd, s32 *value) -{ - struct imx_device *dev = to_imx_sensor(sd); - if (dev->vcm_driver && dev->vcm_driver->q_focus_abs) - return dev->vcm_driver->q_focus_abs(sd, value); - return 0; -} - -static int imx_t_vcm_slew(struct v4l2_subdev *sd, s32 value) -{ - struct imx_device *dev = to_imx_sensor(sd); - if (dev->vcm_driver && dev->vcm_driver->t_vcm_slew) - return dev->vcm_driver->t_vcm_slew(sd, value); - return 0; -} - -static int imx_t_vcm_timing(struct v4l2_subdev *sd, s32 value) -{ - struct imx_device *dev = to_imx_sensor(sd); - if (dev->vcm_driver && dev->vcm_driver->t_vcm_timing) - return dev->vcm_driver->t_vcm_timing(sd, value); - return 0; -} - -static int imx_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct imx_device *dev = container_of( - ctrl->handler, struct imx_device, ctrl_handler); - struct i2c_client *client = v4l2_get_subdevdata(&dev->sd); - int ret = 0; - - switch (ctrl->id) { - case V4L2_CID_TEST_PATTERN: - ret = imx_test_pattern(&dev->sd); - break; - case V4L2_CID_VFLIP: - dev_dbg(&client->dev, "%s: CID_VFLIP:%d.\n", - __func__, ctrl->val); - ret = imx_v_flip(&dev->sd, ctrl->val); - break; - case V4L2_CID_HFLIP: - dev_dbg(&client->dev, "%s: CID_HFLIP:%d.\n", - __func__, ctrl->val); - ret = imx_h_flip(&dev->sd, ctrl->val); - break; - case V4L2_CID_FOCUS_ABSOLUTE: - ret = imx_t_focus_abs(&dev->sd, ctrl->val); - break; - case V4L2_CID_FOCUS_RELATIVE: - ret = imx_t_focus_rel(&dev->sd, ctrl->val); - break; - case V4L2_CID_VCM_SLEW: - ret = imx_t_vcm_slew(&dev->sd, ctrl->val); - break; - case V4L2_CID_VCM_TIMEING: - ret = imx_t_vcm_timing(&dev->sd, ctrl->val); - break; - } - - return ret; -} - -static int imx_g_volatile_ctrl(struct v4l2_ctrl *ctrl) -{ - struct imx_device *dev = container_of( - ctrl->handler, struct imx_device, ctrl_handler); - int ret = 0; - unsigned int val; - - switch (ctrl->id) { - case V4L2_CID_EXPOSURE_ABSOLUTE: - ret = imx_q_exposure(&dev->sd, &ctrl->val); - break; - case V4L2_CID_FOCUS_ABSOLUTE: - ret = imx_q_focus_abs(&dev->sd, &ctrl->val); - break; - case V4L2_CID_FOCUS_STATUS: - ret = imx_q_focus_status(&dev->sd, &ctrl->val); - break; - case V4L2_CID_FOCAL_ABSOLUTE: - ret = imx_g_focal(&dev->sd, &ctrl->val); - break; - case V4L2_CID_FNUMBER_ABSOLUTE: - ret = imx_g_fnumber(&dev->sd, &ctrl->val); - break; - case V4L2_CID_FNUMBER_RANGE: - ret = imx_g_fnumber_range(&dev->sd, &ctrl->val); - break; - case V4L2_CID_BIN_FACTOR_HORZ: - ret = imx_g_bin_factor_x(&dev->sd, &ctrl->val); - break; - case V4L2_CID_BIN_FACTOR_VERT: - ret = imx_g_bin_factor_y(&dev->sd, &ctrl->val); - break; - case V4L2_CID_VBLANK: - ctrl->val = dev->lines_per_frame - - dev->curr_res_table[dev->fmt_idx].height; - break; - case V4L2_CID_HBLANK: - ctrl->val = dev->pixels_per_line - - dev->curr_res_table[dev->fmt_idx].width; - break; - case V4L2_CID_PIXEL_RATE: - ctrl->val = dev->vt_pix_clk_freq_mhz; - break; - case V4L2_CID_LINK_FREQ: - val = dev->curr_res_table[dev->fmt_idx]. - fps_options[dev->fps_index].mipi_freq; - if (val == 0) - val = dev->curr_res_table[dev->fmt_idx].mipi_freq; - if (val == 0) - return -EINVAL; - ctrl->val = val * 1000; /* To Hz */ - break; - default: - return -EINVAL; - } - - return ret; -} - -static const struct v4l2_ctrl_ops ctrl_ops = { - .s_ctrl = imx_s_ctrl, - .g_volatile_ctrl = imx_g_volatile_ctrl -}; - -static const struct v4l2_ctrl_config imx_controls[] = { - { - .ops = &ctrl_ops, - .id = V4L2_CID_EXPOSURE_ABSOLUTE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "exposure", - .min = 0x0, - .max = 0xffff, - .step = 0x01, - .def = 0x00, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_TEST_PATTERN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Test pattern", - .min = 0, - .max = 0xffff, - .step = 1, - .def = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_TEST_PATTERN_COLOR_R, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Test pattern solid color R", - .min = INT_MIN, - .max = INT_MAX, - .step = 1, - .def = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_TEST_PATTERN_COLOR_GR, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Test pattern solid color GR", - .min = INT_MIN, - .max = INT_MAX, - .step = 1, - .def = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_TEST_PATTERN_COLOR_GB, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Test pattern solid color GB", - .min = INT_MIN, - .max = INT_MAX, - .step = 1, - .def = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_TEST_PATTERN_COLOR_B, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Test pattern solid color B", - .min = INT_MIN, - .max = INT_MAX, - .step = 1, - .def = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_VFLIP, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Flip", - .min = 0, - .max = 1, - .step = 1, - .def = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_HFLIP, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Mirror", - .min = 0, - .max = 1, - .step = 1, - .def = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_FOCUS_ABSOLUTE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "focus move absolute", - .min = 0, - .max = IMX_MAX_FOCUS_POS, - .step = 1, - .def = 0, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_FOCUS_RELATIVE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "focus move relative", - .min = IMX_MAX_FOCUS_NEG, - .max = IMX_MAX_FOCUS_POS, - .step = 1, - .def = 0, - .flags = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_FOCUS_STATUS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "focus status", - .min = 0, - .max = 100, /* allow enum to grow in the future */ - .step = 1, - .def = 0, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_VCM_SLEW, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "vcm slew", - .min = 0, - .max = IMX_VCM_SLEW_STEP_MAX, - .step = 1, - .def = 0, - .flags = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_VCM_TIMEING, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "vcm step time", - .min = 0, - .max = IMX_VCM_SLEW_TIME_MAX, - .step = 1, - .def = 0, - .flags = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_FOCAL_ABSOLUTE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "focal length", - .min = IMX_FOCAL_LENGTH_DEFAULT, - .max = IMX_FOCAL_LENGTH_DEFAULT, - .step = 0x01, - .def = IMX_FOCAL_LENGTH_DEFAULT, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_FNUMBER_ABSOLUTE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "f-number", - .min = IMX_F_NUMBER_DEFAULT, - .max = IMX_F_NUMBER_DEFAULT, - .step = 0x01, - .def = IMX_F_NUMBER_DEFAULT, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_FNUMBER_RANGE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "f-number range", - .min = IMX_F_NUMBER_RANGE, - .max = IMX_F_NUMBER_RANGE, - .step = 0x01, - .def = IMX_F_NUMBER_RANGE, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_BIN_FACTOR_HORZ, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "horizontal binning factor", - .min = 0, - .max = IMX_BIN_FACTOR_MAX, - .step = 1, - .def = 0, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_BIN_FACTOR_VERT, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "vertical binning factor", - .min = 0, - .max = IMX_BIN_FACTOR_MAX, - .step = 1, - .def = 0, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_LINK_FREQ, - .name = "Link Frequency", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 1, - .max = 1500000 * 1000, - .step = 1, - .def = 1, - .flags = V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_PIXEL_RATE, - .name = "Pixel Rate", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 0, - .max = INT_MAX, - .step = 1, - .def = 0, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_HBLANK, - .name = "Horizontal Blanking", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 0, - .max = SHRT_MAX, - .step = 1, - .def = 0, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_VBLANK, - .name = "Vertical Blanking", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 0, - .max = SHRT_MAX, - .step = 1, - .def = 0, - .flags = V4L2_CTRL_FLAG_VOLATILE, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_HFLIP, - .name = "Horizontal Flip", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 0, - .max = 1, - .step = 1, - .def = 0, - .flags = 0, - }, - { - .ops = &ctrl_ops, - .id = V4L2_CID_VFLIP, - .name = "Vertical Flip", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 0, - .max = 1, - .step = 1, - .def = 0, - .flags = 0, - }, -}; - -/* - * distance - calculate the distance - * @res: resolution - * @w: width - * @h: height - * - * Get the gap between resolution and w/h. - * res->width/height smaller than w/h wouldn't be considered. - * Returns the value of gap or -1 if fail. - */ -#define LARGEST_ALLOWED_RATIO_MISMATCH 600 -static int distance(struct imx_resolution const *res, u32 w, u32 h, - bool keep_ratio) -{ - unsigned int w_ratio; - unsigned int h_ratio; - int match; - unsigned int allowed_ratio_mismatch = LARGEST_ALLOWED_RATIO_MISMATCH; - - if (!keep_ratio) - allowed_ratio_mismatch = ~0; - - if (w == 0) - return -1; - w_ratio = (res->width << 13) / w; - if (h == 0) - return -1; - h_ratio = (res->height << 13) / h; - if (h_ratio == 0) - return -1; - match = abs(((w_ratio << 13) / h_ratio) - ((int)8192)); - - if ((w_ratio < (int)8192) || (h_ratio < (int)8192) || - (match > allowed_ratio_mismatch)) - return -1; - - return w_ratio + h_ratio; -} - -/* Return the nearest higher resolution index */ -static int nearest_resolution_index(struct v4l2_subdev *sd, int w, int h) -{ - int i; - int idx = -1; - int dist; - int fps_diff; - int min_fps_diff = INT_MAX; - int min_dist = INT_MAX; - const struct imx_resolution *tmp_res = NULL; - struct imx_device *dev = to_imx_sensor(sd); - bool again = 1; -retry: - for (i = 0; i < dev->entries_curr_table; i++) { - tmp_res = &dev->curr_res_table[i]; - dist = distance(tmp_res, w, h, again); - if (dist == -1) - continue; - if (dist < min_dist) { - min_dist = dist; - idx = i; - } - if (dist == min_dist) { - fps_diff = __imx_min_fps_diff(dev->targetfps, - tmp_res->fps_options); - if (fps_diff < min_fps_diff) { - min_fps_diff = fps_diff; - idx = i; - } - } - } - - /* - * FIXME! - * only IMX135 for Saltbay and IMX227 use this algorithm - */ - if (idx == -1 && again == true && dev->new_res_sel_method) { - again = false; - goto retry; - } - return idx; -} - -/* Call with ctrl_handler.lock hold */ -static int __adjust_hvblank(struct v4l2_subdev *sd) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct imx_device *dev = to_imx_sensor(sd); - u16 new_frame_length_lines, new_line_length_pck; - int ret; - - /* - * No need to adjust h/v blank if not set dbg value - * Note that there is no other checking on the h/v blank value, - * as h/v blank can be set to any value above zero for debug purpose - */ - if (!dev->v_blank->val || !dev->h_blank->val) - return 0; - - new_frame_length_lines = dev->curr_res_table[dev->fmt_idx].height + - dev->v_blank->val; - new_line_length_pck = dev->curr_res_table[dev->fmt_idx].width + - dev->h_blank->val; - - ret = imx_write_reg(client, IMX_16BIT, - dev->reg_addr->line_length_pixels, new_line_length_pck); - if (ret) - return ret; - ret = imx_write_reg(client, IMX_16BIT, - dev->reg_addr->frame_length_lines, new_frame_length_lines); - if (ret) - return ret; - - dev->lines_per_frame = new_frame_length_lines; - dev->pixels_per_line = new_line_length_pck; - - return 0; -} - -static int imx_set_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *format) -{ - struct v4l2_mbus_framefmt *fmt = &format->format; - struct imx_device *dev = to_imx_sensor(sd); - struct camera_mipi_info *imx_info = NULL; - struct i2c_client *client = v4l2_get_subdevdata(sd); - const struct imx_resolution *res; - int lanes = imx_get_lanes(sd); - int ret; - u16 data, val; - int idx; - if (format->pad) - return -EINVAL; - if (!fmt) - return -EINVAL; - - imx_info = v4l2_get_subdev_hostdata(sd); - if (imx_info == NULL) - return -EINVAL; - if ((fmt->width > imx_max_res[dev->sensor_id].res_max_width) - || (fmt->height > imx_max_res[dev->sensor_id].res_max_height)) { - fmt->width = imx_max_res[dev->sensor_id].res_max_width; - fmt->height = imx_max_res[dev->sensor_id].res_max_height; - } else { - idx = nearest_resolution_index(sd, fmt->width, fmt->height); - - /* - * nearest_resolution_index() doesn't return smaller - * resolutions. If it fails, it means the requested - * resolution is higher than wecan support. Fallback - * to highest possible resolution in this case. - */ - if (idx == -1) - idx = dev->entries_curr_table - 1; - - fmt->width = dev->curr_res_table[idx].width; - fmt->height = dev->curr_res_table[idx].height; - } - - fmt->code = dev->format.code; - if(format->which == V4L2_SUBDEV_FORMAT_TRY) { - cfg->try_fmt = *fmt; - return 0; - } - mutex_lock(&dev->input_lock); - - dev->fmt_idx = nearest_resolution_index(sd, fmt->width, fmt->height); - if (dev->fmt_idx == -1) { - ret = -EINVAL; - goto out; - } - res = &dev->curr_res_table[dev->fmt_idx]; - - /* Adjust the FPS selection based on the resolution selected */ - dev->fps_index = __imx_nearest_fps_index(dev->targetfps, - res->fps_options); - dev->fps = res->fps_options[dev->fps_index].fps; - dev->regs = res->fps_options[dev->fps_index].regs; - if (!dev->regs) - dev->regs = res->regs; - - ret = imx_write_reg_array(client, dev->regs); - if (ret) - goto out; - - if (dev->sensor_id == IMX132_ID && lanes > 0) { - static const u8 imx132_rgpltd[] = { - 2, /* 1 lane: /1 */ - 0, /* 2 lanes: /2 */ - 0, /* undefined */ - 1, /* 4 lanes: /4 */ - }; - ret = imx_write_reg(client, IMX_8BIT, IMX132_208_VT_RGPLTD, - imx132_rgpltd[lanes - 1]); - if (ret) - goto out; - } - - dev->pixels_per_line = res->fps_options[dev->fps_index].pixels_per_line; - dev->lines_per_frame = res->fps_options[dev->fps_index].lines_per_frame; - - /* dbg h/v blank time */ - __adjust_hvblank(sd); - - ret = __imx_update_exposure_timing(client, dev->coarse_itg, - dev->pixels_per_line, dev->lines_per_frame); - if (ret) - goto out; - - ret = __imx_update_gain(sd, dev->gain); - if (ret) - goto out; - - ret = __imx_update_digital_gain(client, dev->digital_gain); - if (ret) - goto out; - - ret = imx_write_reg_array(client, dev->param_update); - if (ret) - goto out; - - ret = imx_get_intg_factor(client, imx_info, dev->regs); - if (ret) - goto out; - - ret = imx_read_reg(client, IMX_8BIT, - dev->reg_addr->img_orientation, &val); - if (ret) - goto out; - val &= (IMX_VFLIP_BIT|IMX_HFLIP_BIT); - imx_info->raw_bayer_order = imx_bayer_order_mapping[val]; - dev->format.code = imx_translate_bayer_order( - imx_info->raw_bayer_order); - - /* - * Fill meta data info. add imx135 metadata setting for RAW10 format - */ - switch (dev->sensor_id) { - case IMX135_ID: - ret = imx_read_reg(client, 2, - IMX135_OUTPUT_DATA_FORMAT_REG, &data); - if (ret) - goto out; - /* - * The IMX135 can support various resolutions like - * RAW6/8/10/12/14. - * 1.The data format is RAW10: - * matadata width = current resolution width(pixel) * 10 / 8 - * 2.The data format is RAW6 or RAW8: - * matadata width = current resolution width(pixel); - * 3.other data format(RAW12/14 etc): - * TBD. - */ - if (data == IMX135_OUTPUT_FORMAT_RAW10) - /* the data format is RAW10. */ - imx_info->metadata_width = res->width * 10 / 8; - else - /* The data format is RAW6/8/12/14/ etc. */ - imx_info->metadata_width = res->width; - - imx_info->metadata_height = IMX135_EMBEDDED_DATA_LINE_NUM; - - if (imx_info->metadata_effective_width == NULL) - imx_info->metadata_effective_width = - imx135_embedded_effective_size; - - break; - case IMX227_ID: - ret = imx_read_reg(client, 2, IMX227_OUTPUT_DATA_FORMAT_REG, - &data); - if (ret) - goto out; - if (data == IMX227_OUTPUT_FORMAT_RAW10) - /* the data format is RAW10. */ - imx_info->metadata_width = res->width * 10 / 8; - else - /* The data format is RAW6/8/12/14/ etc. */ - imx_info->metadata_width = res->width; - - imx_info->metadata_height = IMX227_EMBEDDED_DATA_LINE_NUM; - - if (imx_info->metadata_effective_width == NULL) - imx_info->metadata_effective_width = - imx227_embedded_effective_size; - - break; - default: - imx_info->metadata_width = 0; - imx_info->metadata_height = 0; - imx_info->metadata_effective_width = NULL; - break; - } - -out: - mutex_unlock(&dev->input_lock); - return ret; -} - - -static int imx_get_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *format) -{ - struct v4l2_mbus_framefmt *fmt = &format->format; - struct imx_device *dev = to_imx_sensor(sd); - - if (format->pad) - return -EINVAL; - if (!fmt) - return -EINVAL; - - mutex_lock(&dev->input_lock); - fmt->width = dev->curr_res_table[dev->fmt_idx].width; - fmt->height = dev->curr_res_table[dev->fmt_idx].height; - fmt->code = dev->format.code; - mutex_unlock(&dev->input_lock); - return 0; -} - -static int imx_detect(struct i2c_client *client, u16 *id, u8 *revision) -{ - struct i2c_adapter *adapter = client->adapter; - - /* i2c check */ - if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) - return -ENODEV; - - /* check sensor chip ID */ - if (imx_read_reg(client, IMX_16BIT, IMX132_175_208_219_CHIP_ID, id)) { - v4l2_err(client, "sensor_id = 0x%x\n", *id); - return -ENODEV; - } - - if (*id == IMX132_ID || *id == IMX175_ID || - *id == IMX208_ID || *id == IMX219_ID) - goto found; - - if (imx_read_reg(client, IMX_16BIT, IMX134_135_227_CHIP_ID, id)) { - v4l2_err(client, "sensor_id = 0x%x\n", *id); - return -ENODEV; - } - if (*id != IMX134_ID && *id != IMX135_ID && *id != IMX227_ID) { - v4l2_err(client, "no imx sensor found\n"); - return -ENODEV; - } -found: - v4l2_info(client, "sensor_id = 0x%x\n", *id); - - /* TODO - need to be updated */ - *revision = 0; - - return 0; -} - -static void __imx_print_timing(struct v4l2_subdev *sd) -{ - struct imx_device *dev = to_imx_sensor(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - u16 width = dev->curr_res_table[dev->fmt_idx].width; - u16 height = dev->curr_res_table[dev->fmt_idx].height; - - dev_dbg(&client->dev, "Dump imx timing in stream on:\n"); - dev_dbg(&client->dev, "width: %d:\n", width); - dev_dbg(&client->dev, "height: %d:\n", height); - dev_dbg(&client->dev, "pixels_per_line: %d:\n", dev->pixels_per_line); - dev_dbg(&client->dev, "line per frame: %d:\n", dev->lines_per_frame); - dev_dbg(&client->dev, "pix freq: %d:\n", dev->vt_pix_clk_freq_mhz); - dev_dbg(&client->dev, "init fps: %d:\n", dev->vt_pix_clk_freq_mhz / - dev->pixels_per_line / dev->lines_per_frame); - dev_dbg(&client->dev, "HBlank: %d nS:\n", - 1000 * (dev->pixels_per_line - width) / - (dev->vt_pix_clk_freq_mhz / 1000000)); - dev_dbg(&client->dev, "VBlank: %d uS:\n", - (dev->lines_per_frame - height) * dev->pixels_per_line / - (dev->vt_pix_clk_freq_mhz / 1000000)); -} - -/* - * imx stream on/off - */ -static int imx_s_stream(struct v4l2_subdev *sd, int enable) -{ - int ret; - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct imx_device *dev = to_imx_sensor(sd); - - mutex_lock(&dev->input_lock); - if (enable) { - /* Noise reduction & dead pixel applied before streaming */ - if (dev->fw == NULL) { - dev_warn(&client->dev, "No MSR loaded from library"); - } else { - ret = apply_msr_data(client, dev->fw); - if (ret) { - mutex_unlock(&dev->input_lock); - return ret; - } - } - ret = imx_test_pattern(sd); - if (ret) { - v4l2_err(client, "Configure test pattern failed.\n"); - mutex_unlock(&dev->input_lock); - return ret; - } - __imx_print_timing(sd); - ret = imx_write_reg_array(client, imx_streaming); - if (ret != 0) { - v4l2_err(client, "write_reg_array err\n"); - mutex_unlock(&dev->input_lock); - return ret; - } - dev->streaming = 1; - if (dev->vcm_driver && dev->vcm_driver->t_focus_abs_init) - dev->vcm_driver->t_focus_abs_init(sd); - } else { - ret = imx_write_reg_array(client, imx_soft_standby); - if (ret != 0) { - v4l2_err(client, "write_reg_array err\n"); - mutex_unlock(&dev->input_lock); - return ret; - } - dev->streaming = 0; - dev->targetfps = 0; - } - mutex_unlock(&dev->input_lock); - - return 0; -} - -static int __update_imx_device_settings(struct imx_device *dev, u16 sensor_id) -{ - /* IMX on other platform is not supported yet */ - return -EINVAL; -} - -static int imx_s_config(struct v4l2_subdev *sd, - int irq, void *pdata) -{ - struct imx_device *dev = to_imx_sensor(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - u8 sensor_revision; - u16 sensor_id; - int ret; - if (pdata == NULL) - return -ENODEV; - - dev->platform_data = pdata; - - mutex_lock(&dev->input_lock); - - if (dev->platform_data->platform_init) { - ret = dev->platform_data->platform_init(client); - if (ret) { - mutex_unlock(&dev->input_lock); - dev_err(&client->dev, "imx platform init err\n"); - return ret; - } - } - /* - * power off the module first. - * - * As first power on by board have undecided state of power/gpio pins. - */ - ret = __imx_s_power(sd, 0); - if (ret) { - v4l2_err(client, "imx power-down err.\n"); - mutex_unlock(&dev->input_lock); - return ret; - } - - ret = __imx_s_power(sd, 1); - if (ret) { - v4l2_err(client, "imx power-up err.\n"); - mutex_unlock(&dev->input_lock); - return ret; - } - - ret = dev->platform_data->csi_cfg(sd, 1); - if (ret) - goto fail_csi_cfg; - - /* config & detect sensor */ - ret = imx_detect(client, &sensor_id, &sensor_revision); - if (ret) { - v4l2_err(client, "imx_detect err s_config.\n"); - goto fail_detect; - } - - dev->sensor_id = sensor_id; - dev->sensor_revision = sensor_revision; - - /* Resolution settings depend on sensor type and platform */ - ret = __update_imx_device_settings(dev, dev->sensor_id); - if (ret) - goto fail_detect; - /* Read sensor's OTP data */ - dev->otp_data = dev->otp_driver->otp_read(sd, - dev->otp_driver->dev_addr, dev->otp_driver->start_addr, - dev->otp_driver->size); - - /* power off sensor */ - ret = __imx_s_power(sd, 0); - - mutex_unlock(&dev->input_lock); - if (ret) - v4l2_err(client, "imx power-down err.\n"); - - return ret; - -fail_detect: - dev->platform_data->csi_cfg(sd, 0); -fail_csi_cfg: - __imx_s_power(sd, 0); - if (dev->platform_data->platform_deinit) - dev->platform_data->platform_deinit(); - mutex_unlock(&dev->input_lock); - dev_err(&client->dev, "sensor power-gating failed\n"); - return ret; -} - -static int -imx_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_mbus_code_enum *code) -{ - struct imx_device *dev = to_imx_sensor(sd); - if (code->index >= MAX_FMTS) - return -EINVAL; - - mutex_lock(&dev->input_lock); - code->code = dev->format.code; - mutex_unlock(&dev->input_lock); - return 0; -} - -static int -imx_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_frame_size_enum *fse) -{ - int index = fse->index; - struct imx_device *dev = to_imx_sensor(sd); - - mutex_lock(&dev->input_lock); - if (index >= dev->entries_curr_table) { - mutex_unlock(&dev->input_lock); - return -EINVAL; - } - - fse->min_width = dev->curr_res_table[index].width; - fse->min_height = dev->curr_res_table[index].height; - fse->max_width = dev->curr_res_table[index].width; - fse->max_height = dev->curr_res_table[index].height; - mutex_unlock(&dev->input_lock); - return 0; -} - -static int -imx_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *param) -{ - struct imx_device *dev = to_imx_sensor(sd); - - mutex_lock(&dev->input_lock); - dev->run_mode = param->parm.capture.capturemode; - - switch (dev->run_mode) { - case CI_MODE_VIDEO: - dev->curr_res_table = dev->mode_tables->res_video; - dev->entries_curr_table = dev->mode_tables->n_res_video; - break; - case CI_MODE_STILL_CAPTURE: - dev->curr_res_table = dev->mode_tables->res_still; - dev->entries_curr_table = dev->mode_tables->n_res_still; - break; - default: - dev->curr_res_table = dev->mode_tables->res_preview; - dev->entries_curr_table = dev->mode_tables->n_res_preview; - } - mutex_unlock(&dev->input_lock); - return 0; -} - -static int imx_g_frame_interval(struct v4l2_subdev *sd, - struct v4l2_subdev_frame_interval *interval) -{ - struct imx_device *dev = to_imx_sensor(sd); - - mutex_lock(&dev->input_lock); - interval->interval.denominator = dev->fps; - interval->interval.numerator = 1; - mutex_unlock(&dev->input_lock); - return 0; -} - -static int __imx_s_frame_interval(struct v4l2_subdev *sd, - struct v4l2_subdev_frame_interval *interval) -{ - struct imx_device *dev = to_imx_sensor(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - const struct imx_resolution *res = - &dev->curr_res_table[dev->fmt_idx]; - struct camera_mipi_info *imx_info = NULL; - unsigned short pixels_per_line; - unsigned short lines_per_frame; - unsigned int fps_index; - int fps; - int ret = 0; - - - imx_info = v4l2_get_subdev_hostdata(sd); - if (imx_info == NULL) - return -EINVAL; - - if (!interval->interval.numerator) - interval->interval.numerator = 1; - - fps = interval->interval.denominator / interval->interval.numerator; - - if (!fps) - return -EINVAL; - - dev->targetfps = fps; - /* No need to proceed further if we are not streaming */ - if (!dev->streaming) - return 0; - - /* Ignore if we are already using the required FPS. */ - if (fps == dev->fps) - return 0; - - /* - * Start here, sensor is already streaming, so adjust fps dynamically - */ - fps_index = __imx_above_nearest_fps_index(fps, res->fps_options); - if (fps > res->fps_options[fps_index].fps) { - /* - * if does not have high fps setting, not support increase fps - * by adjust lines per frame. - */ - dev_err(&client->dev, "Could not support fps: %d.\n", fps); - return -EINVAL; - } - - if (res->fps_options[fps_index].regs && - res->fps_options[fps_index].regs != dev->regs) { - /* - * if need a new setting, but the new setting has difference - * with current setting, not use this one, as may have - * unexpected result, e.g. PLL, IQ. - */ - dev_dbg(&client->dev, - "Sensor is streaming, not apply new sensor setting\n"); - if (fps > res->fps_options[dev->fps_index].fps) { - /* - * Does not support increase fps based on low fps - * setting, as the high fps setting could not be used, - * and fps requested is above current setting fps. - */ - dev_warn(&client->dev, - "Could not support fps: %d, keep current: %d.\n", - fps, dev->fps); - return 0; - } - } else { - dev->fps_index = fps_index; - dev->fps = res->fps_options[dev->fps_index].fps; - } - - /* Update the new frametimings based on FPS */ - pixels_per_line = res->fps_options[dev->fps_index].pixels_per_line; - lines_per_frame = res->fps_options[dev->fps_index].lines_per_frame; - - if (fps > res->fps_options[fps_index].fps) { - /* - * if does not have high fps setting, not support increase fps - * by adjust lines per frame. - */ - dev_warn(&client->dev, "Could not support fps: %d. Use:%d.\n", - fps, res->fps_options[fps_index].fps); - goto done; - } - - /* if the new setting does not match exactly */ - if (dev->fps != fps) { -#define MAX_LINES_PER_FRAME 0xffff - dev_dbg(&client->dev, "adjusting fps using lines_per_frame\n"); - /* - * FIXME! - * 1: check DS on max value of lines_per_frame - * 2: consider use pixel per line for more range? - */ - if (dev->lines_per_frame * dev->fps / fps > - MAX_LINES_PER_FRAME) { - dev_warn(&client->dev, - "adjust lines_per_frame out of range, try to use max value.\n"); - lines_per_frame = MAX_LINES_PER_FRAME; - } else { - lines_per_frame = lines_per_frame * dev->fps / fps; - } - } -done: - /* Update the new frametimings based on FPS */ - dev->pixels_per_line = pixels_per_line; - dev->lines_per_frame = lines_per_frame; - - /* Update the new values so that user side knows the current settings */ - ret = __imx_update_exposure_timing(client, - dev->coarse_itg, dev->pixels_per_line, dev->lines_per_frame); - if (ret) - return ret; - - dev->fps = fps; - - ret = imx_get_intg_factor(client, imx_info, dev->regs); - if (ret) - return ret; - - interval->interval.denominator = res->fps_options[dev->fps_index].fps; - interval->interval.numerator = 1; - __imx_print_timing(sd); - - return ret; -} - -static int imx_s_frame_interval(struct v4l2_subdev *sd, - struct v4l2_subdev_frame_interval *interval) -{ - struct imx_device *dev = to_imx_sensor(sd); - int ret; - - mutex_lock(&dev->input_lock); - ret = __imx_s_frame_interval(sd, interval); - mutex_unlock(&dev->input_lock); - - return ret; -} -static int imx_g_skip_frames(struct v4l2_subdev *sd, u32 *frames) -{ - struct imx_device *dev = to_imx_sensor(sd); - - mutex_lock(&dev->input_lock); - *frames = dev->curr_res_table[dev->fmt_idx].skip_frames; - mutex_unlock(&dev->input_lock); - - return 0; -} - -static const struct v4l2_subdev_sensor_ops imx_sensor_ops = { - .g_skip_frames = imx_g_skip_frames, -}; - -static const struct v4l2_subdev_video_ops imx_video_ops = { - .s_stream = imx_s_stream, - .s_parm = imx_s_parm, - .g_frame_interval = imx_g_frame_interval, - .s_frame_interval = imx_s_frame_interval, -}; - -static const struct v4l2_subdev_core_ops imx_core_ops = { - .s_power = imx_s_power, - .ioctl = imx_ioctl, - .init = imx_init, -}; - -static const struct v4l2_subdev_pad_ops imx_pad_ops = { - .enum_mbus_code = imx_enum_mbus_code, - .enum_frame_size = imx_enum_frame_size, - .get_fmt = imx_get_fmt, - .set_fmt = imx_set_fmt, -}; - -static const struct v4l2_subdev_ops imx_ops = { - .core = &imx_core_ops, - .video = &imx_video_ops, - .pad = &imx_pad_ops, - .sensor = &imx_sensor_ops, -}; - -static const struct media_entity_operations imx_entity_ops = { - .link_setup = NULL, -}; - -static int imx_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct imx_device *dev = to_imx_sensor(sd); - - if (dev->platform_data->platform_deinit) - dev->platform_data->platform_deinit(); - - media_entity_cleanup(&dev->sd.entity); - v4l2_ctrl_handler_free(&dev->ctrl_handler); - dev->platform_data->csi_cfg(sd, 0); - v4l2_device_unregister_subdev(sd); - release_msr_list(client, dev->fw); - kfree(dev); - - return 0; -} - -static int __imx_init_ctrl_handler(struct imx_device *dev) -{ - struct v4l2_ctrl_handler *hdl; - int i; - - hdl = &dev->ctrl_handler; - - v4l2_ctrl_handler_init(&dev->ctrl_handler, ARRAY_SIZE(imx_controls)); - - for (i = 0; i < ARRAY_SIZE(imx_controls); i++) - v4l2_ctrl_new_custom(&dev->ctrl_handler, - &imx_controls[i], NULL); - - dev->pixel_rate = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_PIXEL_RATE); - dev->h_blank = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_HBLANK); - dev->v_blank = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_VBLANK); - dev->link_freq = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_LINK_FREQ); - dev->h_flip = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_HFLIP); - dev->v_flip = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_VFLIP); - dev->tp_mode = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_TEST_PATTERN); - dev->tp_r = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_TEST_PATTERN_COLOR_R); - dev->tp_gr = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_TEST_PATTERN_COLOR_GR); - dev->tp_gb = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_TEST_PATTERN_COLOR_GB); - dev->tp_b = v4l2_ctrl_find(&dev->ctrl_handler, - V4L2_CID_TEST_PATTERN_COLOR_B); - - if (dev->ctrl_handler.error || dev->pixel_rate == NULL - || dev->h_blank == NULL || dev->v_blank == NULL - || dev->h_flip == NULL || dev->v_flip == NULL - || dev->link_freq == NULL) { - return dev->ctrl_handler.error; - } - - dev->ctrl_handler.lock = &dev->input_lock; - dev->sd.ctrl_handler = hdl; - v4l2_ctrl_handler_setup(&dev->ctrl_handler); - - return 0; -} - -static void imx_update_reg_info(struct imx_device *dev) -{ - if (dev->sensor_id == IMX219_ID) { - dev->reg_addr = &imx219_addr; - dev->param_hold = imx219_param_hold; - dev->param_update = imx219_param_update; - } else { - dev->reg_addr = &imx_addr; - dev->param_hold = imx_param_hold; - dev->param_update = imx_param_update; - } -} - -static int imx_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct imx_device *dev; - struct camera_mipi_info *imx_info = NULL; - int ret; - char *msr_file_name = NULL; - - /* allocate sensor device & init sub device */ - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) { - v4l2_err(client, "%s: out of memory\n", __func__); - return -ENOMEM; - } - - mutex_init(&dev->input_lock); - - dev->i2c_id = id->driver_data; - dev->fmt_idx = 0; - dev->sensor_id = IMX_ID_DEFAULT; - dev->vcm_driver = &imx_vcms[IMX_ID_DEFAULT]; - dev->digital_gain = 256; - - v4l2_i2c_subdev_init(&(dev->sd), client, &imx_ops); - - if (client->dev.platform_data) { - ret = imx_s_config(&dev->sd, client->irq, - client->dev.platform_data); - if (ret) - goto out_free; - } - imx_info = v4l2_get_subdev_hostdata(&dev->sd); - - /* - * sd->name is updated with sensor driver name by the v4l2. - * change it to sensor name in this case. - */ - imx_update_reg_info(dev); - snprintf(dev->sd.name, sizeof(dev->sd.name), "%s%x %d-%04x", - IMX_SUBDEV_PREFIX, dev->sensor_id, - i2c_adapter_id(client->adapter), client->addr); - - ret = __imx_init_ctrl_handler(dev); - if (ret) - goto out_ctrl_handler_free; - - dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - dev->pad.flags = MEDIA_PAD_FL_SOURCE; - dev->format.code = imx_translate_bayer_order( - imx_info->raw_bayer_order); - dev->sd.entity.ops = &imx_entity_ops; - dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; - - ret = media_entity_pads_init(&dev->sd.entity, 1, &dev->pad); - if (ret) { - imx_remove(client); - return ret; - } - - /* Load the Noise reduction, Dead pixel registers from cpf file*/ - if (dev->platform_data->msr_file_name != NULL) - msr_file_name = dev->platform_data->msr_file_name(); - if (msr_file_name) { - ret = load_msr_list(client, msr_file_name, &dev->fw); - if (ret) { - imx_remove(client); - return ret; - } - } else { - dev_warn(&client->dev, "Drvb file not present"); - } - - return ret; - -out_ctrl_handler_free: - v4l2_ctrl_handler_free(&dev->ctrl_handler); - -out_free: - v4l2_device_unregister_subdev(&dev->sd); - kfree(dev); - return ret; -} - -static const struct i2c_device_id imx_ids[] = { - {IMX_NAME_175, IMX175_ID}, - {IMX_NAME_135, IMX135_ID}, - {IMX_NAME_135_FUJI, IMX135_FUJI_ID}, - {IMX_NAME_134, IMX134_ID}, - {IMX_NAME_132, IMX132_ID}, - {IMX_NAME_208, IMX208_ID}, - {IMX_NAME_219, IMX219_ID}, - {IMX_NAME_227, IMX227_ID}, - {} -}; - -MODULE_DEVICE_TABLE(i2c, imx_ids); - -static struct i2c_driver imx_driver = { - .driver = { - .name = IMX_DRIVER, - }, - .probe = imx_probe, - .remove = imx_remove, - .id_table = imx_ids, -}; - -static __init int init_imx(void) -{ - return i2c_add_driver(&imx_driver); -} - -static __exit void exit_imx(void) -{ - i2c_del_driver(&imx_driver); -} - -module_init(init_imx); -module_exit(exit_imx); - -MODULE_DESCRIPTION("A low-level driver for Sony IMX sensors"); -MODULE_AUTHOR("Shenbo Huang <shenbo.huang@intel.com>"); -MODULE_LICENSE("GPL"); - |