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media: imx335: Use V4L2 CCI for accessing sensor registers

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Use the new comon CCI register access helpers to replace the private
register access helpers in the imx335 driver.

Select V4L2_CCI_I2C Kconfig option which the imx335 driver now
depends on.

Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Umang Jain 2024-04-14 19:36:18 +05:30 committed by Hans Verkuil
parent d08d61ee51
commit 8f0926dba7
2 changed files with 272 additions and 336 deletions
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1
drivers/media/i2c/Kconfig
View File

@ -195,6 +195,7 @@ config VIDEO_IMX334
config VIDEO_IMX335
tristate "Sony IMX335 sensor support"
depends on OF_GPIO
select V4L2_CCI_I2C
help
This is a Video4Linux2 sensor driver for the Sony
IMX335 camera.

607
drivers/media/i2c/imx335.c
View File

@ -11,62 +11,108 @@
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <media/v4l2-cci.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fwnode.h>
#include <media/v4l2-subdev.h>
/* Streaming Mode */
#define IMX335_REG_MODE_SELECT 0x3000
#define IMX335_MODE_STANDBY 0x01
#define IMX335_MODE_STREAMING 0x00
/* Data Lanes */
#define IMX335_LANEMODE 0x3a01
#define IMX335_2LANE 1
#define IMX335_4LANE 3
/* Lines per frame */
#define IMX335_REG_LPFR 0x3030
/* Chip ID */
#define IMX335_REG_ID 0x3912
#define IMX335_ID 0x00
/* Exposure control */
#define IMX335_REG_SHUTTER 0x3058
#define IMX335_EXPOSURE_MIN 1
#define IMX335_EXPOSURE_OFFSET 9
#define IMX335_EXPOSURE_STEP 1
#define IMX335_EXPOSURE_DEFAULT 0x0648
/* Analog gain control */
#define IMX335_REG_AGAIN 0x30e8
#define IMX335_AGAIN_MIN 0
#define IMX335_AGAIN_MAX 240
#define IMX335_AGAIN_STEP 1
#define IMX335_AGAIN_DEFAULT 0
#define IMX335_REG_MODE_SELECT CCI_REG8(0x3000)
#define IMX335_MODE_STANDBY 0x01
#define IMX335_MODE_STREAMING 0x00
/* Group hold register */
#define IMX335_REG_HOLD 0x3001
#define IMX335_REG_HOLD CCI_REG8(0x3001)
#define IMX335_REG_MASTER_MODE CCI_REG8(0x3002)
#define IMX335_REG_BCWAIT_TIME CCI_REG8(0x300c)
#define IMX335_REG_CPWAIT_TIME CCI_REG8(0x300d)
#define IMX335_REG_WINMODE CCI_REG8(0x3018)
#define IMX335_REG_HTRIMMING_START CCI_REG16_LE(0x302c)
#define IMX335_REG_HNUM CCI_REG8(0x302e)
/* Lines per frame */
#define IMX335_REG_VMAX CCI_REG24_LE(0x3030)
#define IMX335_REG_OPB_SIZE_V CCI_REG8(0x304c)
#define IMX335_REG_ADBIT CCI_REG8(0x3050)
#define IMX335_REG_Y_OUT_SIZE CCI_REG16_LE(0x3056)
#define IMX335_REG_SHUTTER CCI_REG24_LE(0x3058)
#define IMX335_EXPOSURE_MIN 1
#define IMX335_EXPOSURE_OFFSET 9
#define IMX335_EXPOSURE_STEP 1
#define IMX335_EXPOSURE_DEFAULT 0x0648
#define IMX335_REG_AREA3_ST_ADR_1 CCI_REG16_LE(0x3074)
#define IMX335_REG_AREA3_WIDTH_1 CCI_REG16_LE(0x3076)
/* Analog gain control */
#define IMX335_REG_AGAIN CCI_REG8(0x30e8)
#define IMX335_AGAIN_MIN 0
#define IMX335_AGAIN_MAX 240
#define IMX335_AGAIN_STEP 1
#define IMX335_AGAIN_DEFAULT 0
#define IMX335_REG_TPG_TESTCLKEN CCI_REG8(0x3148)
#define IMX335_REG_INCLKSEL1 CCI_REG16_LE(0x314c)
#define IMX335_REG_INCLKSEL2 CCI_REG8(0x315a)
#define IMX335_REG_INCLKSEL3 CCI_REG8(0x3168)
#define IMX335_REG_INCLKSEL4 CCI_REG8(0x316a)
#define IMX335_REG_MDBIT CCI_REG8(0x319d)
#define IMX335_REG_SYSMODE CCI_REG8(0x319e)
#define IMX335_REG_XVS_XHS_DRV CCI_REG8(0x31a1)
/* Test pattern generator */
#define IMX335_REG_TPG 0x329e
#define IMX335_TPG_ALL_000 0
#define IMX335_TPG_ALL_FFF 1
#define IMX335_TPG_ALL_555 2
#define IMX335_TPG_ALL_AAA 3
#define IMX335_TPG_TOG_555_AAA 4
#define IMX335_TPG_TOG_AAA_555 5
#define IMX335_TPG_TOG_000_555 6
#define IMX335_TPG_TOG_555_000 7
#define IMX335_TPG_TOG_000_FFF 8
#define IMX335_TPG_TOG_FFF_000 9
#define IMX335_TPG_H_COLOR_BARS 10
#define IMX335_TPG_V_COLOR_BARS 11
#define IMX335_REG_TPG_DIG_CLP_MODE CCI_REG8(0x3280)
#define IMX335_REG_TPG_EN_DUOUT CCI_REG8(0x329c)
#define IMX335_REG_TPG CCI_REG8(0x329e)
#define IMX335_TPG_ALL_000 0
#define IMX335_TPG_ALL_FFF 1
#define IMX335_TPG_ALL_555 2
#define IMX335_TPG_ALL_AAA 3
#define IMX335_TPG_TOG_555_AAA 4
#define IMX335_TPG_TOG_AAA_555 5
#define IMX335_TPG_TOG_000_555 6
#define IMX335_TPG_TOG_555_000 7
#define IMX335_TPG_TOG_000_FFF 8
#define IMX335_TPG_TOG_FFF_000 9
#define IMX335_TPG_H_COLOR_BARS 10
#define IMX335_TPG_V_COLOR_BARS 11
#define IMX335_REG_TPG_COLORWIDTH CCI_REG8(0x32a0)
#define IMX335_REG_BLKLEVEL CCI_REG16_LE(0x3302)
#define IMX335_REG_WRJ_OPEN CCI_REG8(0x336c)
#define IMX335_REG_ADBIT1 CCI_REG16_LE(0x341c)
/* Chip ID */
#define IMX335_REG_ID CCI_REG8(0x3912)
#define IMX335_ID 0x00
/* Data Lanes */
#define IMX335_REG_LANEMODE CCI_REG8(0x3a01)
#define IMX335_2LANE 1
#define IMX335_4LANE 3
#define IMX335_REG_TCLKPOST CCI_REG16_LE(0x3a18)
#define IMX335_REG_TCLKPREPARE CCI_REG16_LE(0x3a1a)
#define IMX335_REG_TCLK_TRAIL CCI_REG16_LE(0x3a1c)
#define IMX335_REG_TCLK_ZERO CCI_REG16_LE(0x3a1e)
#define IMX335_REG_THS_PREPARE CCI_REG16_LE(0x3a20)
#define IMX335_REG_THS_ZERO CCI_REG16_LE(0x3a22)
#define IMX335_REG_THS_TRAIL CCI_REG16_LE(0x3a24)
#define IMX335_REG_THS_EXIT CCI_REG16_LE(0x3a26)
#define IMX335_REG_TPLX CCI_REG16_LE(0x3a28)
/* Input clock rate */
#define IMX335_INCLK_RATE 24000000
#define IMX335_INCLK_RATE 24000000
/* CSI2 HW configuration */
#define IMX335_LINK_FREQ_594MHz 594000000LL
@ -74,9 +120,6 @@
#define IMX335_NUM_DATA_LANES 4
#define IMX335_REG_MIN 0x00
#define IMX335_REG_MAX 0xfffff
/* IMX335 native and active pixel array size. */
#define IMX335_NATIVE_WIDTH 2616U
#define IMX335_NATIVE_HEIGHT 1964U
@ -85,16 +128,6 @@
#define IMX335_PIXEL_ARRAY_WIDTH 2592U
#define IMX335_PIXEL_ARRAY_HEIGHT 1944U
/**
* struct imx335_reg - imx335 sensor register
* @address: Register address
* @val: Register value
*/
struct imx335_reg {
u16 address;
u8 val;
};
/**
* struct imx335_reg_list - imx335 sensor register list
* @num_of_regs: Number of registers in the list
@ -102,7 +135,7 @@ struct imx335_reg {
*/
struct imx335_reg_list {
u32 num_of_regs;
const struct imx335_reg *regs;
const struct cci_reg_sequence *regs;
};
static const char * const imx335_supply_name[] = {
@ -165,6 +198,7 @@ struct imx335 {
struct media_pad pad;
struct gpio_desc *reset_gpio;
struct regulator_bulk_data supplies[ARRAY_SIZE(imx335_supply_name)];
struct regmap *cci;
struct clk *inclk;
struct v4l2_ctrl_handler ctrl_handler;
@ -217,140 +251,135 @@ static const int imx335_tpg_val[] = {
};
/* Sensor mode registers */
static const struct imx335_reg mode_2592x1940_regs[] = {
{0x3000, 0x01},
{0x3002, 0x00},
{0x3018, 0x04},
{0x302c, 0x3c},
{0x302e, 0x20},
{0x3056, 0x94},
{0x3074, 0xc8},
{0x3076, 0x28},
{0x304c, 0x00},
{0x31a1, 0x00},
{0x3288, 0x21},
{0x328a, 0x02},
{0x3414, 0x05},
{0x3416, 0x18},
{0x3648, 0x01},
{0x364a, 0x04},
{0x364c, 0x04},
{0x3678, 0x01},
{0x367c, 0x31},
{0x367e, 0x31},
{0x3706, 0x10},
{0x3708, 0x03},
{0x3714, 0x02},
{0x3715, 0x02},
{0x3716, 0x01},
{0x3717, 0x03},
{0x371c, 0x3d},
{0x371d, 0x3f},
{0x372c, 0x00},
{0x372d, 0x00},
{0x372e, 0x46},
{0x372f, 0x00},
{0x3730, 0x89},
{0x3731, 0x00},
{0x3732, 0x08},
{0x3733, 0x01},
{0x3734, 0xfe},
{0x3735, 0x05},
{0x3740, 0x02},
{0x375d, 0x00},
{0x375e, 0x00},
{0x375f, 0x11},
{0x3760, 0x01},
{0x3768, 0x1b},
{0x3769, 0x1b},
{0x376a, 0x1b},
{0x376b, 0x1b},
{0x376c, 0x1a},
{0x376d, 0x17},
{0x376e, 0x0f},
{0x3776, 0x00},
{0x3777, 0x00},
{0x3778, 0x46},
{0x3779, 0x00},
{0x377a, 0x89},
{0x377b, 0x00},
{0x377c, 0x08},
{0x377d, 0x01},
{0x377e, 0x23},
{0x377f, 0x02},
{0x3780, 0xd9},
{0x3781, 0x03},
{0x3782, 0xf5},
{0x3783, 0x06},
{0x3784, 0xa5},
{0x3788, 0x0f},
{0x378a, 0xd9},
{0x378b, 0x03},
{0x378c, 0xeb},
{0x378d, 0x05},
{0x378e, 0x87},
{0x378f, 0x06},
{0x3790, 0xf5},
{0x3792, 0x43},
{0x3794, 0x7a},
{0x3796, 0xa1},
{0x37b0, 0x36},
{0x3a00, 0x00},
static const struct cci_reg_sequence mode_2592x1940_regs[] = {
{ IMX335_REG_MODE_SELECT, IMX335_MODE_STANDBY },
{ IMX335_REG_MASTER_MODE, 0x00 },
{ IMX335_REG_WINMODE, 0x04 },
{ IMX335_REG_HTRIMMING_START, 0x0180 },
{ IMX335_REG_HNUM, 0x0a20 },
{ IMX335_REG_Y_OUT_SIZE, 0x0794 },
{ IMX335_REG_AREA3_ST_ADR_1, 0x00b0 },
{ IMX335_REG_AREA3_WIDTH_1, 0x0f58 },
{ IMX335_REG_OPB_SIZE_V, 0x00 },
{ IMX335_REG_XVS_XHS_DRV, 0x00 },
{ CCI_REG8(0x3288), 0x21 },
{ CCI_REG8(0x328a), 0x02 },
{ CCI_REG8(0x3414), 0x05 },
{ CCI_REG8(0x3416), 0x18 },
{ CCI_REG8(0x3648), 0x01 },
{ CCI_REG8(0x364a), 0x04 },
{ CCI_REG8(0x364c), 0x04 },
{ CCI_REG8(0x3678), 0x01 },
{ CCI_REG8(0x367c), 0x31 },
{ CCI_REG8(0x367e), 0x31 },
{ CCI_REG8(0x3706), 0x10 },
{ CCI_REG8(0x3708), 0x03 },
{ CCI_REG8(0x3714), 0x02 },
{ CCI_REG8(0x3715), 0x02 },
{ CCI_REG8(0x3716), 0x01 },
{ CCI_REG8(0x3717), 0x03 },
{ CCI_REG8(0x371c), 0x3d },
{ CCI_REG8(0x371d), 0x3f },
{ CCI_REG8(0x372c), 0x00 },
{ CCI_REG8(0x372d), 0x00 },
{ CCI_REG8(0x372e), 0x46 },
{ CCI_REG8(0x372f), 0x00 },
{ CCI_REG8(0x3730), 0x89 },
{ CCI_REG8(0x3731), 0x00 },
{ CCI_REG8(0x3732), 0x08 },
{ CCI_REG8(0x3733), 0x01 },
{ CCI_REG8(0x3734), 0xfe },
{ CCI_REG8(0x3735), 0x05 },
{ CCI_REG8(0x3740), 0x02 },
{ CCI_REG8(0x375d), 0x00 },
{ CCI_REG8(0x375e), 0x00 },
{ CCI_REG8(0x375f), 0x11 },
{ CCI_REG8(0x3760), 0x01 },
{ CCI_REG8(0x3768), 0x1b },
{ CCI_REG8(0x3769), 0x1b },
{ CCI_REG8(0x376a), 0x1b },
{ CCI_REG8(0x376b), 0x1b },
{ CCI_REG8(0x376c), 0x1a },
{ CCI_REG8(0x376d), 0x17 },
{ CCI_REG8(0x376e), 0x0f },
{ CCI_REG8(0x3776), 0x00 },
{ CCI_REG8(0x3777), 0x00 },
{ CCI_REG8(0x3778), 0x46 },
{ CCI_REG8(0x3779), 0x00 },
{ CCI_REG8(0x377a), 0x89 },
{ CCI_REG8(0x377b), 0x00 },
{ CCI_REG8(0x377c), 0x08 },
{ CCI_REG8(0x377d), 0x01 },
{ CCI_REG8(0x377e), 0x23 },
{ CCI_REG8(0x377f), 0x02 },
{ CCI_REG8(0x3780), 0xd9 },
{ CCI_REG8(0x3781), 0x03 },
{ CCI_REG8(0x3782), 0xf5 },
{ CCI_REG8(0x3783), 0x06 },
{ CCI_REG8(0x3784), 0xa5 },
{ CCI_REG8(0x3788), 0x0f },
{ CCI_REG8(0x378a), 0xd9 },
{ CCI_REG8(0x378b), 0x03 },
{ CCI_REG8(0x378c), 0xeb },
{ CCI_REG8(0x378d), 0x05 },
{ CCI_REG8(0x378e), 0x87 },
{ CCI_REG8(0x378f), 0x06 },
{ CCI_REG8(0x3790), 0xf5 },
{ CCI_REG8(0x3792), 0x43 },
{ CCI_REG8(0x3794), 0x7a },
{ CCI_REG8(0x3796), 0xa1 },
{ CCI_REG8(0x37b0), 0x36 },
{ CCI_REG8(0x3a00), 0x00 },
};
static const struct imx335_reg raw10_framefmt_regs[] = {
{0x3050, 0x00},
{0x319d, 0x00},
{0x341c, 0xff},
{0x341d, 0x01},
static const struct cci_reg_sequence raw10_framefmt_regs[] = {
{ IMX335_REG_ADBIT, 0x00 },
{ IMX335_REG_MDBIT, 0x00 },
{ IMX335_REG_ADBIT1, 0x1ff },
};
static const struct imx335_reg raw12_framefmt_regs[] = {
{0x3050, 0x01},
{0x319d, 0x01},
{0x341c, 0x47},
{0x341d, 0x00},
static const struct cci_reg_sequence raw12_framefmt_regs[] = {
{ IMX335_REG_ADBIT, 0x01 },
{ IMX335_REG_MDBIT, 0x01 },
{ IMX335_REG_ADBIT1, 0x47 },
};
static const struct imx335_reg mipi_data_rate_1188Mbps[] = {
{0x300c, 0x3b},
{0x300d, 0x2a},
{0x314c, 0xc6},
{0x314d, 0x00},
{0x315a, 0x02},
{0x3168, 0xa0},
{0x316a, 0x7e},
{0x319e, 0x01},
{0x3a18, 0x8f},
{0x3a1a, 0x4f},
{0x3a1c, 0x47},
{0x3a1e, 0x37},
{0x3a1f, 0x01},
{0x3a20, 0x4f},
{0x3a22, 0x87},
{0x3a24, 0x4f},
{0x3a26, 0x7f},
{0x3a28, 0x3f},
static const struct cci_reg_sequence mipi_data_rate_1188Mbps[] = {
{ IMX335_REG_BCWAIT_TIME, 0x3b },
{ IMX335_REG_CPWAIT_TIME, 0x2a },
{ IMX335_REG_INCLKSEL1, 0x00c6 },
{ IMX335_REG_INCLKSEL2, 0x02 },
{ IMX335_REG_INCLKSEL3, 0xa0 },
{ IMX335_REG_INCLKSEL4, 0x7e },
{ IMX335_REG_SYSMODE, 0x01 },
{ IMX335_REG_TCLKPOST, 0x8f },
{ IMX335_REG_TCLKPREPARE, 0x4f },
{ IMX335_REG_TCLK_TRAIL, 0x47 },
{ IMX335_REG_TCLK_ZERO, 0x0137 },
{ IMX335_REG_THS_PREPARE, 0x4f },
{ IMX335_REG_THS_ZERO, 0x87 },
{ IMX335_REG_THS_TRAIL, 0x4f },
{ IMX335_REG_THS_EXIT, 0x7f },
{ IMX335_REG_TPLX, 0x3f },
};
static const struct imx335_reg mipi_data_rate_891Mbps[] = {
{0x300c, 0x3b},
{0x300d, 0x2a},
{0x314c, 0x29},
{0x314d, 0x01},
{0x315a, 0x06},
{0x3168, 0xa0},
{0x316a, 0x7e},
{0x319e, 0x02},
{0x3a18, 0x7f},
{0x3a1a, 0x37},
{0x3a1c, 0x37},
{0x3a1e, 0xf7},
{0x3a20, 0x3f},
{0x3a22, 0x6f},
{0x3a24, 0x3f},
{0x3a26, 0x5f},
{0x3a28, 0x2f},
static const struct cci_reg_sequence mipi_data_rate_891Mbps[] = {
{ IMX335_REG_BCWAIT_TIME, 0x3b },
{ IMX335_REG_CPWAIT_TIME, 0x2a },
{ IMX335_REG_INCLKSEL1, 0x0129 },
{ IMX335_REG_INCLKSEL2, 0x06 },
{ IMX335_REG_INCLKSEL3, 0xa0 },
{ IMX335_REG_INCLKSEL4, 0x7e },
{ IMX335_REG_SYSMODE, 0x02 },
{ IMX335_REG_TCLKPOST, 0x7f },
{ IMX335_REG_TCLKPREPARE, 0x37 },
{ IMX335_REG_TCLK_TRAIL, 0x37 },
{ IMX335_REG_TCLK_ZERO, 0xf7 },
{ IMX335_REG_THS_PREPARE, 0x3f },
{ IMX335_REG_THS_ZERO, 0x6f },
{ IMX335_REG_THS_TRAIL, 0x3f },
{ IMX335_REG_THS_EXIT, 0x5f },
{ IMX335_REG_TPLX, 0x2f },
};
static const s64 link_freq[] = {
@ -402,101 +431,6 @@ static inline struct imx335 *to_imx335(struct v4l2_subdev *subdev)
return container_of(subdev, struct imx335, sd);
}
/**
* imx335_read_reg() - Read registers.
* @imx335: pointer to imx335 device
* @reg: register address
* @len: length of bytes to read. Max supported bytes is 4
* @val: pointer to register value to be filled.
*
* Big endian register addresses with little endian values.
*
* Return: 0 if successful, error code otherwise.
*/
static int imx335_read_reg(struct imx335 *imx335, u16 reg, u32 len, u32 *val)
{
struct i2c_client *client = v4l2_get_subdevdata(&imx335->sd);
struct i2c_msg msgs[2] = {0};
u8 addr_buf[2] = {0};
u8 data_buf[4] = {0};
int ret;
if (WARN_ON(len > 4))
return -EINVAL;
put_unaligned_be16(reg, addr_buf);
/* Write register address */
msgs[0].addr = client->addr;
msgs[0].flags = 0;
msgs[0].len = ARRAY_SIZE(addr_buf);
msgs[0].buf = addr_buf;
/* Read data from register */
msgs[1].addr = client->addr;
msgs[1].flags = I2C_M_RD;
msgs[1].len = len;
msgs[1].buf = data_buf;
ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
if (ret != ARRAY_SIZE(msgs))
return -EIO;
*val = get_unaligned_le32(data_buf);
return 0;
}
/**
* imx335_write_reg() - Write register
* @imx335: pointer to imx335 device
* @reg: register address
* @len: length of bytes. Max supported bytes is 4
* @val: register value
*
* Big endian register addresses with little endian values.
*
* Return: 0 if successful, error code otherwise.
*/
static int imx335_write_reg(struct imx335 *imx335, u16 reg, u32 len, u32 val)
{
struct i2c_client *client = v4l2_get_subdevdata(&imx335->sd);
u8 buf[6] = {0};
if (WARN_ON(len > 4))
return -EINVAL;
put_unaligned_be16(reg, buf);
put_unaligned_le32(val, buf + 2);
if (i2c_master_send(client, buf, len + 2) != len + 2)
return -EIO;
return 0;
}
/**
* imx335_write_regs() - Write a list of registers
* @imx335: pointer to imx335 device
* @regs: list of registers to be written
* @len: length of registers array
*
* Return: 0 if successful. error code otherwise.
*/
static int imx335_write_regs(struct imx335 *imx335,
const struct imx335_reg *regs, u32 len)
{
unsigned int i;
int ret;
for (i = 0; i < len; i++) {
ret = imx335_write_reg(imx335, regs[i].address, 1, regs[i].val);
if (ret)
return ret;
}
return 0;
}
/**
* imx335_update_controls() - Update control ranges based on streaming mode
* @imx335: pointer to imx335 device
@ -533,7 +467,8 @@ static int imx335_update_controls(struct imx335 *imx335,
static int imx335_update_exp_gain(struct imx335 *imx335, u32 exposure, u32 gain)
{
u32 lpfr, shutter;
int ret;
int ret_hold;
int ret = 0;
lpfr = imx335->vblank + imx335->cur_mode->height;
shutter = lpfr - exposure;
@ -541,64 +476,55 @@ static int imx335_update_exp_gain(struct imx335 *imx335, u32 exposure, u32 gain)
dev_dbg(imx335->dev, "Set exp %u, analog gain %u, shutter %u, lpfr %u\n",
exposure, gain, shutter, lpfr);
ret = imx335_write_reg(imx335, IMX335_REG_HOLD, 1, 1);
if (ret)
return ret;
ret = imx335_write_reg(imx335, IMX335_REG_LPFR, 3, lpfr);
if (ret)
goto error_release_group_hold;
ret = imx335_write_reg(imx335, IMX335_REG_SHUTTER, 3, shutter);
if (ret)
goto error_release_group_hold;
ret = imx335_write_reg(imx335, IMX335_REG_AGAIN, 2, gain);
error_release_group_hold:
imx335_write_reg(imx335, IMX335_REG_HOLD, 1, 0);
cci_write(imx335->cci, IMX335_REG_HOLD, 1, &ret);
cci_write(imx335->cci, IMX335_REG_VMAX, lpfr, &ret);
cci_write(imx335->cci, IMX335_REG_SHUTTER, shutter, &ret);
cci_write(imx335->cci, IMX335_REG_AGAIN, gain, &ret);
/*
* Unconditionally attempt to release the hold, but track the
* error if the unhold itself fails.
*/
ret_hold = cci_write(imx335->cci, IMX335_REG_HOLD, 0, NULL);
if (ret_hold)
ret = ret_hold;
return ret;
}
static int imx335_update_test_pattern(struct imx335 *imx335, u32 pattern_index)
{
int ret;
int ret = 0;
if (pattern_index >= ARRAY_SIZE(imx335_tpg_val))
return -EINVAL;
if (pattern_index) {
const struct imx335_reg tpg_enable_regs[] = {
{ 0x3148, 0x10 },
{ 0x3280, 0x00 },
{ 0x329c, 0x01 },
{ 0x32a0, 0x11 },
{ 0x3302, 0x00 },
{ 0x3303, 0x00 },
{ 0x336c, 0x00 },
const struct cci_reg_sequence tpg_enable_regs[] = {
{ IMX335_REG_TPG_TESTCLKEN, 0x10 },
{ IMX335_REG_TPG_DIG_CLP_MODE, 0x00 },
{ IMX335_REG_TPG_EN_DUOUT, 0x01 },
{ IMX335_REG_TPG_COLORWIDTH, 0x11 },
{ IMX335_REG_BLKLEVEL, 0x00 },
{ IMX335_REG_WRJ_OPEN, 0x00 },
};
ret = imx335_write_reg(imx335, IMX335_REG_TPG, 1,
imx335_tpg_val[pattern_index]);
if (ret)
return ret;
cci_write(imx335->cci, IMX335_REG_TPG,
imx335_tpg_val[pattern_index], &ret);
ret = imx335_write_regs(imx335, tpg_enable_regs,
ARRAY_SIZE(tpg_enable_regs));
cci_multi_reg_write(imx335->cci, tpg_enable_regs,
ARRAY_SIZE(tpg_enable_regs), &ret);
} else {
const struct imx335_reg tpg_disable_regs[] = {
{ 0x3148, 0x00 },
{ 0x3280, 0x01 },
{ 0x329c, 0x00 },
{ 0x32a0, 0x10 },
{ 0x3302, 0x32 },
{ 0x3303, 0x00 },
{ 0x336c, 0x01 },
const struct cci_reg_sequence tpg_disable_regs[] = {
{ IMX335_REG_TPG_TESTCLKEN, 0x00 },
{ IMX335_REG_TPG_DIG_CLP_MODE, 0x01 },
{ IMX335_REG_TPG_EN_DUOUT, 0x00 },
{ IMX335_REG_TPG_COLORWIDTH, 0x10 },
{ IMX335_REG_BLKLEVEL, 0x32 },
{ IMX335_REG_WRJ_OPEN, 0x01 },
};
ret = imx335_write_regs(imx335, tpg_disable_regs,
ARRAY_SIZE(tpg_disable_regs));
cci_multi_reg_write(imx335->cci, tpg_disable_regs,
ARRAY_SIZE(tpg_disable_regs), &ret);
}
return ret;
@ -897,12 +823,14 @@ static int imx335_set_framefmt(struct imx335 *imx335)
{
switch (imx335->cur_mbus_code) {
case MEDIA_BUS_FMT_SRGGB10_1X10:
return imx335_write_regs(imx335, raw10_framefmt_regs,
ARRAY_SIZE(raw10_framefmt_regs));
return cci_multi_reg_write(imx335->cci, raw10_framefmt_regs,
ARRAY_SIZE(raw10_framefmt_regs),
NULL);
case MEDIA_BUS_FMT_SRGGB12_1X12:
return imx335_write_regs(imx335, raw12_framefmt_regs,
ARRAY_SIZE(raw12_framefmt_regs));
return cci_multi_reg_write(imx335->cci, raw12_framefmt_regs,
ARRAY_SIZE(raw12_framefmt_regs),
NULL);
}
return -EINVAL;
@ -921,7 +849,8 @@ static int imx335_start_streaming(struct imx335 *imx335)
/* Setup PLL */
reg_list = &link_freq_reglist[__ffs(imx335->link_freq_bitmap)];
ret = imx335_write_regs(imx335, reg_list->regs, reg_list->num_of_regs);
ret = cci_multi_reg_write(imx335->cci, reg_list->regs,
reg_list->num_of_regs, NULL);
if (ret) {
dev_err(imx335->dev, "%s failed to set plls\n", __func__);
return ret;
@ -929,8 +858,8 @@ static int imx335_start_streaming(struct imx335 *imx335)
/* Write sensor mode registers */
reg_list = &imx335->cur_mode->reg_list;
ret = imx335_write_regs(imx335, reg_list->regs,
reg_list->num_of_regs);
ret = cci_multi_reg_write(imx335->cci, reg_list->regs,
reg_list->num_of_regs, NULL);
if (ret) {
dev_err(imx335->dev, "fail to write initial registers\n");
return ret;
@ -944,7 +873,8 @@ static int imx335_start_streaming(struct imx335 *imx335)
}
/* Configure lanes */
ret = imx335_write_reg(imx335, IMX335_LANEMODE, 1, imx335->lane_mode);
ret = cci_write(imx335->cci, IMX335_REG_LANEMODE,
imx335->lane_mode, NULL);
if (ret)
return ret;
@ -956,8 +886,8 @@ static int imx335_start_streaming(struct imx335 *imx335)
}
/* Start streaming */
ret = imx335_write_reg(imx335, IMX335_REG_MODE_SELECT,
1, IMX335_MODE_STREAMING);
ret = cci_write(imx335->cci, IMX335_REG_MODE_SELECT,
IMX335_MODE_STREAMING, NULL);
if (ret) {
dev_err(imx335->dev, "fail to start streaming\n");
return ret;
@ -977,8 +907,8 @@ static int imx335_start_streaming(struct imx335 *imx335)
*/
static int imx335_stop_streaming(struct imx335 *imx335)
{
return imx335_write_reg(imx335, IMX335_REG_MODE_SELECT,
1, IMX335_MODE_STANDBY);
return cci_write(imx335->cci, IMX335_REG_MODE_SELECT,
IMX335_MODE_STANDBY, NULL);
}
/**
@ -1029,14 +959,14 @@ error_unlock:
static int imx335_detect(struct imx335 *imx335)
{
int ret;
u32 val;
u64 val;
ret = imx335_read_reg(imx335, IMX335_REG_ID, 2, &val);
ret = cci_read(imx335->cci, IMX335_REG_ID, &val, NULL);
if (ret)
return ret;
if (val != IMX335_ID) {
dev_err(imx335->dev, "chip id mismatch: %x!=%x\n",
dev_err(imx335->dev, "chip id mismatch: %x!=%llx\n",
IMX335_ID, val);
return -ENXIO;
}
@ -1331,6 +1261,11 @@ static int imx335_probe(struct i2c_client *client)
return -ENOMEM;
imx335->dev = &client->dev;
imx335->cci = devm_cci_regmap_init_i2c(client, 16);
if (IS_ERR(imx335->cci)) {
dev_err(imx335->dev, "Unable to initialize I2C\n");
return -ENODEV;
}
/* Initialize subdev */
v4l2_i2c_subdev_init(&imx335->sd, client, &imx335_subdev_ops);