@@ -118,6 +118,7 @@ config VIDEO_IMX219
depends on I2C && VIDEO_DEV
select MEDIA_CONTROLLER
select VIDEO_V4L2_SUBDEV_API
+ select V4L2_CCI_I2C
select V4L2_FWNODE
help
This is a Video4Linux2 sensor driver for the Sony
@@ -21,40 +21,49 @@
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
+
+#include <media/v4l2-cci.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-event.h>
#include <media/v4l2-fwnode.h>
#include <media/v4l2-mediabus.h>
-#include <asm/unaligned.h>
-#define IMX219_REG_VALUE_08BIT 1
-#define IMX219_REG_VALUE_16BIT 2
+/* Chip ID */
+#define IMX219_REG_CHIP_ID CCI_REG16(0x0000)
+#define IMX219_CHIP_ID 0x0219
-#define IMX219_REG_MODE_SELECT 0x0100
+#define IMX219_REG_MODE_SELECT CCI_REG8(0x0100)
#define IMX219_MODE_STANDBY 0x00
#define IMX219_MODE_STREAMING 0x01
-/* Chip ID */
-#define IMX219_REG_CHIP_ID 0x0000
-#define IMX219_CHIP_ID 0x0219
-
-/* External clock frequency is 24.0M */
-#define IMX219_XCLK_FREQ 24000000
-
-/* Pixel rate is fixed for all the modes */
-#define IMX219_PIXEL_RATE 182400000
-#define IMX219_PIXEL_RATE_4LANE 280800000
-
-#define IMX219_DEFAULT_LINK_FREQ 456000000
-#define IMX219_DEFAULT_LINK_FREQ_4LANE 363000000
-
-#define IMX219_REG_CSI_LANE_MODE 0x0114
+#define IMX219_REG_CSI_LANE_MODE CCI_REG8(0x0114)
#define IMX219_CSI_2_LANE_MODE 0x01
#define IMX219_CSI_4_LANE_MODE 0x03
+/* Analog gain control */
+#define IMX219_REG_ANALOG_GAIN CCI_REG8(0x0157)
+#define IMX219_ANA_GAIN_MIN 0
+#define IMX219_ANA_GAIN_MAX 232
+#define IMX219_ANA_GAIN_STEP 1
+#define IMX219_ANA_GAIN_DEFAULT 0x0
+
+/* Digital gain control */
+#define IMX219_REG_DIGITAL_GAIN CCI_REG16(0x0158)
+#define IMX219_DGTL_GAIN_MIN 0x0100
+#define IMX219_DGTL_GAIN_MAX 0x0fff
+#define IMX219_DGTL_GAIN_DEFAULT 0x0100
+#define IMX219_DGTL_GAIN_STEP 1
+
+/* Exposure control */
+#define IMX219_REG_EXPOSURE CCI_REG16(0x015a)
+#define IMX219_EXPOSURE_MIN 4
+#define IMX219_EXPOSURE_STEP 1
+#define IMX219_EXPOSURE_DEFAULT 0x640
+#define IMX219_EXPOSURE_MAX 65535
+
/* V_TIMING internal */
-#define IMX219_REG_VTS 0x0160
+#define IMX219_REG_VTS CCI_REG16(0x0160)
#define IMX219_VTS_15FPS 0x0dc6
#define IMX219_VTS_30FPS_1080P 0x06e3
#define IMX219_VTS_30FPS_BINNED 0x06e3
@@ -72,37 +81,16 @@
/* HBLANK control - read only */
#define IMX219_PPL_DEFAULT 3448
-/* Exposure control */
-#define IMX219_REG_EXPOSURE 0x015a
-#define IMX219_EXPOSURE_MIN 4
-#define IMX219_EXPOSURE_STEP 1
-#define IMX219_EXPOSURE_DEFAULT 0x640
-#define IMX219_EXPOSURE_MAX 65535
-
-/* Analog gain control */
-#define IMX219_REG_ANALOG_GAIN 0x0157
-#define IMX219_ANA_GAIN_MIN 0
-#define IMX219_ANA_GAIN_MAX 232
-#define IMX219_ANA_GAIN_STEP 1
-#define IMX219_ANA_GAIN_DEFAULT 0x0
-
-/* Digital gain control */
-#define IMX219_REG_DIGITAL_GAIN 0x0158
-#define IMX219_DGTL_GAIN_MIN 0x0100
-#define IMX219_DGTL_GAIN_MAX 0x0fff
-#define IMX219_DGTL_GAIN_DEFAULT 0x0100
-#define IMX219_DGTL_GAIN_STEP 1
-
-#define IMX219_REG_ORIENTATION 0x0172
+#define IMX219_REG_ORIENTATION CCI_REG8(0x0172)
/* Binning Mode */
-#define IMX219_REG_BINNING_MODE 0x0174
+#define IMX219_REG_BINNING_MODE CCI_REG16(0x0174)
#define IMX219_BINNING_NONE 0x0000
#define IMX219_BINNING_2X2 0x0101
#define IMX219_BINNING_2X2_ANALOG 0x0303
/* Test Pattern Control */
-#define IMX219_REG_TEST_PATTERN 0x0600
+#define IMX219_REG_TEST_PATTERN CCI_REG16(0x0600)
#define IMX219_TEST_PATTERN_DISABLE 0
#define IMX219_TEST_PATTERN_SOLID_COLOR 1
#define IMX219_TEST_PATTERN_COLOR_BARS 2
@@ -110,10 +98,10 @@
#define IMX219_TEST_PATTERN_PN9 4
/* Test pattern colour components */
-#define IMX219_REG_TESTP_RED 0x0602
-#define IMX219_REG_TESTP_GREENR 0x0604
-#define IMX219_REG_TESTP_BLUE 0x0606
-#define IMX219_REG_TESTP_GREENB 0x0608
+#define IMX219_REG_TESTP_RED CCI_REG16(0x0602)
+#define IMX219_REG_TESTP_GREENR CCI_REG16(0x0604)
+#define IMX219_REG_TESTP_BLUE CCI_REG16(0x0606)
+#define IMX219_REG_TESTP_GREENB CCI_REG16(0x0608)
#define IMX219_TESTP_COLOUR_MIN 0
#define IMX219_TESTP_COLOUR_MAX 0x03ff
#define IMX219_TESTP_COLOUR_STEP 1
@@ -122,6 +110,16 @@
#define IMX219_TESTP_BLUE_DEFAULT 0
#define IMX219_TESTP_GREENB_DEFAULT 0
+/* External clock frequency is 24.0M */
+#define IMX219_XCLK_FREQ 24000000
+
+/* Pixel rate is fixed for all the modes */
+#define IMX219_PIXEL_RATE 182400000
+#define IMX219_PIXEL_RATE_4LANE 280800000
+
+#define IMX219_DEFAULT_LINK_FREQ 456000000
+#define IMX219_DEFAULT_LINK_FREQ_4LANE 363000000
+
/* IMX219 native and active pixel array size. */
#define IMX219_NATIVE_WIDTH 3296U
#define IMX219_NATIVE_HEIGHT 2480U
@@ -130,14 +128,9 @@
#define IMX219_PIXEL_ARRAY_WIDTH 3280U
#define IMX219_PIXEL_ARRAY_HEIGHT 2464U
-struct imx219_reg {
- u16 address;
- u8 val;
-};
-
struct imx219_reg_list {
unsigned int num_of_regs;
- const struct imx219_reg *regs;
+ const struct cci_reg_sequence *regs;
};
/* Mode : resolution and related config&values */
@@ -160,53 +153,53 @@ struct imx219_mode {
bool binning;
};
-static const struct imx219_reg imx219_common_regs[] = {
- {0x0100, 0x00}, /* Mode Select */
+static const struct cci_reg_sequence imx219_common_regs[] = {
+ { CCI_REG8(0x0100), 0x00 }, /* Mode Select */
/* To Access Addresses 3000-5fff, send the following commands */
- {0x30eb, 0x0c},
- {0x30eb, 0x05},
- {0x300a, 0xff},
- {0x300b, 0xff},
- {0x30eb, 0x05},
- {0x30eb, 0x09},
+ { CCI_REG8(0x30eb), 0x0c },
+ { CCI_REG8(0x30eb), 0x05 },
+ { CCI_REG8(0x300a), 0xff },
+ { CCI_REG8(0x300b), 0xff },
+ { CCI_REG8(0x30eb), 0x05 },
+ { CCI_REG8(0x30eb), 0x09 },
/* PLL Clock Table */
- {0x0301, 0x05}, /* VTPXCK_DIV */
- {0x0303, 0x01}, /* VTSYSCK_DIV */
- {0x0304, 0x03}, /* PREPLLCK_VT_DIV 0x03 = AUTO set */
- {0x0305, 0x03}, /* PREPLLCK_OP_DIV 0x03 = AUTO set */
- {0x0306, 0x00}, /* PLL_VT_MPY */
- {0x0307, 0x39},
- {0x030b, 0x01}, /* OP_SYS_CLK_DIV */
- {0x030c, 0x00}, /* PLL_OP_MPY */
- {0x030d, 0x72},
+ { CCI_REG8(0x0301), 0x05 }, /* VTPXCK_DIV */
+ { CCI_REG8(0x0303), 0x01 }, /* VTSYSCK_DIV */
+ { CCI_REG8(0x0304), 0x03 }, /* PREPLLCK_VT_DIV 0x03 = AUTO set */
+ { CCI_REG8(0x0305), 0x03 }, /* PREPLLCK_OP_DIV 0x03 = AUTO set */
+ { CCI_REG8(0x0306), 0x00 }, /* PLL_VT_MPY */
+ { CCI_REG8(0x0307), 0x39 },
+ { CCI_REG8(0x030b), 0x01 }, /* OP_SYS_CLK_DIV */
+ { CCI_REG8(0x030c), 0x00 }, /* PLL_OP_MPY */
+ { CCI_REG8(0x030d), 0x72 },
/* Undocumented registers */
- {0x455e, 0x00},
- {0x471e, 0x4b},
- {0x4767, 0x0f},
- {0x4750, 0x14},
- {0x4540, 0x00},
- {0x47b4, 0x14},
- {0x4713, 0x30},
- {0x478b, 0x10},
- {0x478f, 0x10},
- {0x4793, 0x10},
- {0x4797, 0x0e},
- {0x479b, 0x0e},
+ { CCI_REG8(0x455e), 0x00 },
+ { CCI_REG8(0x471e), 0x4b },
+ { CCI_REG8(0x4767), 0x0f },
+ { CCI_REG8(0x4750), 0x14 },
+ { CCI_REG8(0x4540), 0x00 },
+ { CCI_REG8(0x47b4), 0x14 },
+ { CCI_REG8(0x4713), 0x30 },
+ { CCI_REG8(0x478b), 0x10 },
+ { CCI_REG8(0x478f), 0x10 },
+ { CCI_REG8(0x4793), 0x10 },
+ { CCI_REG8(0x4797), 0x0e },
+ { CCI_REG8(0x479b), 0x0e },
/* Frame Bank Register Group "A" */
- {0x0162, 0x0d}, /* Line_Length_A */
- {0x0163, 0x78},
- {0x0170, 0x01}, /* X_ODD_INC_A */
- {0x0171, 0x01}, /* Y_ODD_INC_A */
+ { CCI_REG8(0x0162), 0x0d }, /* Line_Length_A */
+ { CCI_REG8(0x0163), 0x78 },
+ { CCI_REG8(0x0170), 0x01 }, /* X_ODD_INC_A */
+ { CCI_REG8(0x0171), 0x01 }, /* Y_ODD_INC_A */
/* Output setup registers */
- {0x0114, 0x01}, /* CSI 2-Lane Mode */
- {0x0128, 0x00}, /* DPHY Auto Mode */
- {0x012a, 0x18}, /* EXCK_Freq */
- {0x012b, 0x00},
+ { CCI_REG8(0x0114), 0x01 }, /* CSI 2-Lane Mode */
+ { CCI_REG8(0x0128), 0x00 }, /* DPHY Auto Mode */
+ { CCI_REG8(0x012a), 0x18 }, /* EXCK_Freq */
+ { CCI_REG8(0x012b), 0x00 },
};
/*
@@ -214,92 +207,92 @@ static const struct imx219_reg imx219_common_regs[] = {
* driver.
* 3280x2464 = mode 2, 1920x1080 = mode 1, 1640x1232 = mode 4, 640x480 = mode 7.
*/
-static const struct imx219_reg mode_3280x2464_regs[] = {
- {0x0164, 0x00},
- {0x0165, 0x00},
- {0x0166, 0x0c},
- {0x0167, 0xcf},
- {0x0168, 0x00},
- {0x0169, 0x00},
- {0x016a, 0x09},
- {0x016b, 0x9f},
- {0x016c, 0x0c},
- {0x016d, 0xd0},
- {0x016e, 0x09},
- {0x016f, 0xa0},
- {0x0624, 0x0c},
- {0x0625, 0xd0},
- {0x0626, 0x09},
- {0x0627, 0xa0},
+static const struct cci_reg_sequence mode_3280x2464_regs[] = {
+ { CCI_REG8(0x0164), 0x00 },
+ { CCI_REG8(0x0165), 0x00 },
+ { CCI_REG8(0x0166), 0x0c },
+ { CCI_REG8(0x0167), 0xcf },
+ { CCI_REG8(0x0168), 0x00 },
+ { CCI_REG8(0x0169), 0x00 },
+ { CCI_REG8(0x016a), 0x09 },
+ { CCI_REG8(0x016b), 0x9f },
+ { CCI_REG8(0x016c), 0x0c },
+ { CCI_REG8(0x016d), 0xd0 },
+ { CCI_REG8(0x016e), 0x09 },
+ { CCI_REG8(0x016f), 0xa0 },
+ { CCI_REG8(0x0624), 0x0c },
+ { CCI_REG8(0x0625), 0xd0 },
+ { CCI_REG8(0x0626), 0x09 },
+ { CCI_REG8(0x0627), 0xa0 },
};
-static const struct imx219_reg mode_1920_1080_regs[] = {
- {0x0164, 0x02},
- {0x0165, 0xa8},
- {0x0166, 0x0a},
- {0x0167, 0x27},
- {0x0168, 0x02},
- {0x0169, 0xb4},
- {0x016a, 0x06},
- {0x016b, 0xeb},
- {0x016c, 0x07},
- {0x016d, 0x80},
- {0x016e, 0x04},
- {0x016f, 0x38},
- {0x0624, 0x07},
- {0x0625, 0x80},
- {0x0626, 0x04},
- {0x0627, 0x38},
+static const struct cci_reg_sequence mode_1920_1080_regs[] = {
+ { CCI_REG8(0x0164), 0x02 },
+ { CCI_REG8(0x0165), 0xa8 },
+ { CCI_REG8(0x0166), 0x0a },
+ { CCI_REG8(0x0167), 0x27 },
+ { CCI_REG8(0x0168), 0x02 },
+ { CCI_REG8(0x0169), 0xb4 },
+ { CCI_REG8(0x016a), 0x06 },
+ { CCI_REG8(0x016b), 0xeb },
+ { CCI_REG8(0x016c), 0x07 },
+ { CCI_REG8(0x016d), 0x80 },
+ { CCI_REG8(0x016e), 0x04 },
+ { CCI_REG8(0x016f), 0x38 },
+ { CCI_REG8(0x0624), 0x07 },
+ { CCI_REG8(0x0625), 0x80 },
+ { CCI_REG8(0x0626), 0x04 },
+ { CCI_REG8(0x0627), 0x38 },
};
-static const struct imx219_reg mode_1640_1232_regs[] = {
- {0x0164, 0x00},
- {0x0165, 0x00},
- {0x0166, 0x0c},
- {0x0167, 0xcf},
- {0x0168, 0x00},
- {0x0169, 0x00},
- {0x016a, 0x09},
- {0x016b, 0x9f},
- {0x016c, 0x06},
- {0x016d, 0x68},
- {0x016e, 0x04},
- {0x016f, 0xd0},
- {0x0624, 0x06},
- {0x0625, 0x68},
- {0x0626, 0x04},
- {0x0627, 0xd0},
+static const struct cci_reg_sequence mode_1640_1232_regs[] = {
+ { CCI_REG8(0x0164), 0x00 },
+ { CCI_REG8(0x0165), 0x00 },
+ { CCI_REG8(0x0166), 0x0c },
+ { CCI_REG8(0x0167), 0xcf },
+ { CCI_REG8(0x0168), 0x00 },
+ { CCI_REG8(0x0169), 0x00 },
+ { CCI_REG8(0x016a), 0x09 },
+ { CCI_REG8(0x016b), 0x9f },
+ { CCI_REG8(0x016c), 0x06 },
+ { CCI_REG8(0x016d), 0x68 },
+ { CCI_REG8(0x016e), 0x04 },
+ { CCI_REG8(0x016f), 0xd0 },
+ { CCI_REG8(0x0624), 0x06 },
+ { CCI_REG8(0x0625), 0x68 },
+ { CCI_REG8(0x0626), 0x04 },
+ { CCI_REG8(0x0627), 0xd0 },
};
-static const struct imx219_reg mode_640_480_regs[] = {
- {0x0164, 0x03},
- {0x0165, 0xe8},
- {0x0166, 0x08},
- {0x0167, 0xe7},
- {0x0168, 0x02},
- {0x0169, 0xf0},
- {0x016a, 0x06},
- {0x016b, 0xaf},
- {0x016c, 0x02},
- {0x016d, 0x80},
- {0x016e, 0x01},
- {0x016f, 0xe0},
- {0x0624, 0x06},
- {0x0625, 0x68},
- {0x0626, 0x04},
- {0x0627, 0xd0},
+static const struct cci_reg_sequence mode_640_480_regs[] = {
+ { CCI_REG8(0x0164), 0x03 },
+ { CCI_REG8(0x0165), 0xe8 },
+ { CCI_REG8(0x0166), 0x08 },
+ { CCI_REG8(0x0167), 0xe7 },
+ { CCI_REG8(0x0168), 0x02 },
+ { CCI_REG8(0x0169), 0xf0 },
+ { CCI_REG8(0x016a), 0x06 },
+ { CCI_REG8(0x016b), 0xaf },
+ { CCI_REG8(0x016c), 0x02 },
+ { CCI_REG8(0x016d), 0x80 },
+ { CCI_REG8(0x016e), 0x01 },
+ { CCI_REG8(0x016f), 0xe0 },
+ { CCI_REG8(0x0624), 0x06 },
+ { CCI_REG8(0x0625), 0x68 },
+ { CCI_REG8(0x0626), 0x04 },
+ { CCI_REG8(0x0627), 0xd0 },
};
-static const struct imx219_reg raw8_framefmt_regs[] = {
- {0x018c, 0x08},
- {0x018d, 0x08},
- {0x0309, 0x08},
+static const struct cci_reg_sequence raw8_framefmt_regs[] = {
+ { CCI_REG8(0x018c), 0x08 },
+ { CCI_REG8(0x018d), 0x08 },
+ { CCI_REG8(0x0309), 0x08 },
};
-static const struct imx219_reg raw10_framefmt_regs[] = {
- {0x018c, 0x0a},
- {0x018d, 0x0a},
- {0x0309, 0x0a},
+static const struct cci_reg_sequence raw10_framefmt_regs[] = {
+ { CCI_REG8(0x018c), 0x0a },
+ { CCI_REG8(0x018d), 0x0a },
+ { CCI_REG8(0x0309), 0x0a },
};
static const s64 imx219_link_freq_menu[] = {
@@ -460,6 +453,7 @@ struct imx219 {
struct v4l2_subdev sd;
struct media_pad pad;
+ struct regmap *regmap;
struct clk *xclk; /* system clock to IMX219 */
u32 xclk_freq;
@@ -491,78 +485,6 @@ static inline struct imx219 *to_imx219(struct v4l2_subdev *_sd)
return container_of(_sd, struct imx219, sd);
}
-/* Read registers up to 2 at a time */
-static int imx219_read_reg(struct imx219 *imx219, u16 reg, u32 len, u32 *val)
-{
- struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
- struct i2c_msg msgs[2];
- u8 addr_buf[2] = { reg >> 8, reg & 0xff };
- u8 data_buf[4] = { 0, };
- int ret;
-
- if (len > 4)
- return -EINVAL;
-
- /* 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[4 - len];
-
- ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
- if (ret != ARRAY_SIZE(msgs))
- return -EIO;
-
- *val = get_unaligned_be32(data_buf);
-
- return 0;
-}
-
-/* Write registers up to 2 at a time */
-static int imx219_write_reg(struct imx219 *imx219, u16 reg, u32 len, u32 val)
-{
- struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
- u8 buf[6];
-
- if (len > 4)
- return -EINVAL;
-
- put_unaligned_be16(reg, buf);
- put_unaligned_be32(val << (8 * (4 - len)), buf + 2);
- if (i2c_master_send(client, buf, len + 2) != len + 2)
- return -EIO;
-
- return 0;
-}
-
-/* Write a list of registers */
-static int imx219_write_regs(struct imx219 *imx219,
- const struct imx219_reg *regs, u32 len)
-{
- struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
- unsigned int i;
- int ret;
-
- for (i = 0; i < len; i++) {
- ret = imx219_write_reg(imx219, regs[i].address, 1, regs[i].val);
- if (ret) {
- dev_err_ratelimited(&client->dev,
- "Failed to write reg 0x%4.4x. error = %d\n",
- regs[i].address, ret);
-
- return ret;
- }
- }
-
- return 0;
-}
-
/* Get bayer order based on flip setting. */
static u32 imx219_get_format_code(struct imx219 *imx219, u32 code)
{
@@ -586,7 +508,7 @@ static int imx219_set_ctrl(struct v4l2_ctrl *ctrl)
struct imx219 *imx219 =
container_of(ctrl->handler, struct imx219, ctrl_handler);
struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
- int ret;
+ int ret = 0;
if (ctrl->id == V4L2_CID_VBLANK) {
int exposure_max, exposure_def;
@@ -610,48 +532,45 @@ static int imx219_set_ctrl(struct v4l2_ctrl *ctrl)
switch (ctrl->id) {
case V4L2_CID_ANALOGUE_GAIN:
- ret = imx219_write_reg(imx219, IMX219_REG_ANALOG_GAIN,
- IMX219_REG_VALUE_08BIT, ctrl->val);
+ cci_write(imx219->regmap, IMX219_REG_ANALOG_GAIN,
+ ctrl->val, &ret);
break;
case V4L2_CID_EXPOSURE:
- ret = imx219_write_reg(imx219, IMX219_REG_EXPOSURE,
- IMX219_REG_VALUE_16BIT, ctrl->val);
+ cci_write(imx219->regmap, IMX219_REG_EXPOSURE,
+ ctrl->val, &ret);
break;
case V4L2_CID_DIGITAL_GAIN:
- ret = imx219_write_reg(imx219, IMX219_REG_DIGITAL_GAIN,
- IMX219_REG_VALUE_16BIT, ctrl->val);
+ cci_write(imx219->regmap, IMX219_REG_DIGITAL_GAIN,
+ ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN:
- ret = imx219_write_reg(imx219, IMX219_REG_TEST_PATTERN,
- IMX219_REG_VALUE_16BIT,
- imx219_test_pattern_val[ctrl->val]);
+ cci_write(imx219->regmap, IMX219_REG_TEST_PATTERN,
+ imx219_test_pattern_val[ctrl->val], &ret);
break;
case V4L2_CID_HFLIP:
case V4L2_CID_VFLIP:
- ret = imx219_write_reg(imx219, IMX219_REG_ORIENTATION, 1,
- imx219->hflip->val |
- imx219->vflip->val << 1);
+ cci_write(imx219->regmap, IMX219_REG_ORIENTATION,
+ imx219->hflip->val | imx219->vflip->val << 1, &ret);
break;
case V4L2_CID_VBLANK:
- ret = imx219_write_reg(imx219, IMX219_REG_VTS,
- IMX219_REG_VALUE_16BIT,
- imx219->mode->height + ctrl->val);
+ cci_write(imx219->regmap, IMX219_REG_VTS,
+ imx219->mode->height + ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN_RED:
- ret = imx219_write_reg(imx219, IMX219_REG_TESTP_RED,
- IMX219_REG_VALUE_16BIT, ctrl->val);
+ cci_write(imx219->regmap, IMX219_REG_TESTP_RED,
+ ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN_GREENR:
- ret = imx219_write_reg(imx219, IMX219_REG_TESTP_GREENR,
- IMX219_REG_VALUE_16BIT, ctrl->val);
+ cci_write(imx219->regmap, IMX219_REG_TESTP_GREENR,
+ ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN_BLUE:
- ret = imx219_write_reg(imx219, IMX219_REG_TESTP_BLUE,
- IMX219_REG_VALUE_16BIT, ctrl->val);
+ cci_write(imx219->regmap, IMX219_REG_TESTP_BLUE,
+ ctrl->val, &ret);
break;
case V4L2_CID_TEST_PATTERN_GREENB:
- ret = imx219_write_reg(imx219, IMX219_REG_TESTP_GREENB,
- IMX219_REG_VALUE_16BIT, ctrl->val);
+ cci_write(imx219->regmap, IMX219_REG_TESTP_GREENB,
+ ctrl->val, &ret);
break;
default:
dev_info(&client->dev,
@@ -802,15 +721,15 @@ static int imx219_set_framefmt(struct imx219 *imx219,
case MEDIA_BUS_FMT_SGRBG8_1X8:
case MEDIA_BUS_FMT_SGBRG8_1X8:
case MEDIA_BUS_FMT_SBGGR8_1X8:
- return imx219_write_regs(imx219, raw8_framefmt_regs,
- ARRAY_SIZE(raw8_framefmt_regs));
+ return cci_multi_reg_write(imx219->regmap, raw8_framefmt_regs,
+ ARRAY_SIZE(raw8_framefmt_regs), NULL);
case MEDIA_BUS_FMT_SRGGB10_1X10:
case MEDIA_BUS_FMT_SGRBG10_1X10:
case MEDIA_BUS_FMT_SGBRG10_1X10:
case MEDIA_BUS_FMT_SBGGR10_1X10:
- return imx219_write_regs(imx219, raw10_framefmt_regs,
- ARRAY_SIZE(raw10_framefmt_regs));
+ return cci_multi_reg_write(imx219->regmap, raw10_framefmt_regs,
+ ARRAY_SIZE(raw10_framefmt_regs), NULL);
}
return -EINVAL;
@@ -819,28 +738,24 @@ static int imx219_set_framefmt(struct imx219 *imx219,
static int imx219_set_binning(struct imx219 *imx219,
const struct v4l2_mbus_framefmt *format)
{
- if (!imx219->mode->binning) {
- return imx219_write_reg(imx219, IMX219_REG_BINNING_MODE,
- IMX219_REG_VALUE_16BIT,
- IMX219_BINNING_NONE);
- }
+ if (!imx219->mode->binning)
+ return cci_write(imx219->regmap, IMX219_REG_BINNING_MODE,
+ IMX219_BINNING_NONE, NULL);
switch (format->code) {
case MEDIA_BUS_FMT_SRGGB8_1X8:
case MEDIA_BUS_FMT_SGRBG8_1X8:
case MEDIA_BUS_FMT_SGBRG8_1X8:
case MEDIA_BUS_FMT_SBGGR8_1X8:
- return imx219_write_reg(imx219, IMX219_REG_BINNING_MODE,
- IMX219_REG_VALUE_16BIT,
- IMX219_BINNING_2X2_ANALOG);
+ return cci_write(imx219->regmap, IMX219_REG_BINNING_MODE,
+ IMX219_BINNING_2X2_ANALOG, NULL);
case MEDIA_BUS_FMT_SRGGB10_1X10:
case MEDIA_BUS_FMT_SGRBG10_1X10:
case MEDIA_BUS_FMT_SGBRG10_1X10:
case MEDIA_BUS_FMT_SBGGR10_1X10:
- return imx219_write_reg(imx219, IMX219_REG_BINNING_MODE,
- IMX219_REG_VALUE_16BIT,
- IMX219_BINNING_2X2);
+ return cci_write(imx219->regmap, IMX219_REG_BINNING_MODE,
+ IMX219_BINNING_2X2, NULL);
}
return -EINVAL;
@@ -879,9 +794,9 @@ static int imx219_get_selection(struct v4l2_subdev *sd,
static int imx219_configure_lanes(struct imx219 *imx219)
{
- return imx219_write_reg(imx219, IMX219_REG_CSI_LANE_MODE,
- IMX219_REG_VALUE_08BIT, (imx219->lanes == 2) ?
- IMX219_CSI_2_LANE_MODE : IMX219_CSI_4_LANE_MODE);
+ return cci_write(imx219->regmap, IMX219_REG_CSI_LANE_MODE,
+ imx219->lanes == 2 ? IMX219_CSI_2_LANE_MODE :
+ IMX219_CSI_4_LANE_MODE, NULL);
};
static int imx219_start_streaming(struct imx219 *imx219,
@@ -897,7 +812,8 @@ static int imx219_start_streaming(struct imx219 *imx219,
return ret;
/* Send all registers that are common to all modes */
- ret = imx219_write_regs(imx219, imx219_common_regs, ARRAY_SIZE(imx219_common_regs));
+ ret = cci_multi_reg_write(imx219->regmap, imx219_common_regs,
+ ARRAY_SIZE(imx219_common_regs), NULL);
if (ret) {
dev_err(&client->dev, "%s failed to send mfg header\n", __func__);
goto err_rpm_put;
@@ -912,7 +828,8 @@ static int imx219_start_streaming(struct imx219 *imx219,
/* Apply default values of current mode */
reg_list = &imx219->mode->reg_list;
- ret = imx219_write_regs(imx219, reg_list->regs, reg_list->num_of_regs);
+ ret = cci_multi_reg_write(imx219->regmap, reg_list->regs,
+ reg_list->num_of_regs, NULL);
if (ret) {
dev_err(&client->dev, "%s failed to set mode\n", __func__);
goto err_rpm_put;
@@ -939,8 +856,8 @@ static int imx219_start_streaming(struct imx219 *imx219,
goto err_rpm_put;
/* set stream on register */
- ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT,
- IMX219_REG_VALUE_08BIT, IMX219_MODE_STREAMING);
+ ret = cci_write(imx219->regmap, IMX219_REG_MODE_SELECT,
+ IMX219_MODE_STREAMING, NULL);
if (ret)
goto err_rpm_put;
@@ -961,8 +878,8 @@ static void imx219_stop_streaming(struct imx219 *imx219)
int ret;
/* set stream off register */
- ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT,
- IMX219_REG_VALUE_08BIT, IMX219_MODE_STANDBY);
+ ret = cci_write(imx219->regmap, IMX219_REG_MODE_SELECT,
+ IMX219_MODE_STANDBY, NULL);
if (ret)
dev_err(&client->dev, "%s failed to set stream\n", __func__);
@@ -1101,10 +1018,9 @@ static int imx219_identify_module(struct imx219 *imx219)
{
struct i2c_client *client = v4l2_get_subdevdata(&imx219->sd);
int ret;
- u32 val;
+ u64 val;
- ret = imx219_read_reg(imx219, IMX219_REG_CHIP_ID,
- IMX219_REG_VALUE_16BIT, &val);
+ ret = cci_read(imx219->regmap, IMX219_REG_CHIP_ID, &val, NULL);
if (ret) {
dev_err(&client->dev, "failed to read chip id %x\n",
IMX219_CHIP_ID);
@@ -1112,7 +1028,7 @@ static int imx219_identify_module(struct imx219 *imx219)
}
if (val != IMX219_CHIP_ID) {
- dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
+ dev_err(&client->dev, "chip id mismatch: %x!=%llx\n",
IMX219_CHIP_ID, val);
return -EIO;
}
@@ -1336,6 +1252,13 @@ static int imx219_probe(struct i2c_client *client)
if (imx219_check_hwcfg(dev, imx219))
return -EINVAL;
+ imx219->regmap = devm_cci_regmap_init_i2c(client, 16);
+ if (IS_ERR(imx219->regmap)) {
+ ret = PTR_ERR(imx219->regmap);
+ dev_err(dev, "failed to initialize CCI: %d\n", ret);
+ return ret;
+ }
+
/* Get system clock (xclk) */
imx219->xclk = devm_clk_get(dev, NULL);
if (IS_ERR(imx219->xclk)) {
@@ -1379,17 +1302,19 @@ static int imx219_probe(struct i2c_client *client)
* streaming is started, so upon power up switch the modes to:
* streaming -> standby
*/
- ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT,
- IMX219_REG_VALUE_08BIT, IMX219_MODE_STREAMING);
+ ret = cci_write(imx219->regmap, IMX219_REG_MODE_SELECT,
+ IMX219_MODE_STREAMING, NULL);
if (ret < 0)
goto error_power_off;
+
usleep_range(100, 110);
/* put sensor back to standby mode */
- ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT,
- IMX219_REG_VALUE_08BIT, IMX219_MODE_STANDBY);
+ ret = cci_write(imx219->regmap, IMX219_REG_MODE_SELECT,
+ IMX219_MODE_STANDBY, NULL);
if (ret < 0)
goto error_power_off;
+
usleep_range(100, 110);
ret = imx219_init_controls(imx219);
Use the new comon CCI register access helpers to replace the private register access helpers in the imx219 driver. This simplifies the driver by reducing the amount of code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- drivers/media/i2c/Kconfig | 1 + drivers/media/i2c/imx219.c | 515 ++++++++++++++++--------------------- 2 files changed, 221 insertions(+), 295 deletions(-)