#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
+#include <linux/regulator/consumer.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fwnode.h>
#define IMX258_MODE_STANDBY 0x00
#define IMX258_MODE_STREAMING 0x01
+#define IMX258_REG_RESET 0x0103
+
/* Chip ID */
#define IMX258_REG_CHIP_ID 0x0016
#define IMX258_CHIP_ID 0x0258
#define IMX258_VTS_30FPS 0x0c50
#define IMX258_VTS_30FPS_2K 0x0638
#define IMX258_VTS_30FPS_VGA 0x034c
-#define IMX258_VTS_MAX 0xffff
+#define IMX258_VTS_MAX 65525
-/*Frame Length Line*/
-#define IMX258_FLL_MIN 0x08a6
-#define IMX258_FLL_MAX 0xffff
-#define IMX258_FLL_STEP 1
-#define IMX258_FLL_DEFAULT 0x0c98
-
-/* HBLANK control - read only */
-#define IMX258_PPL_DEFAULT 5352
+#define IMX258_REG_VTS 0x0340
/* Exposure control */
#define IMX258_REG_EXPOSURE 0x0202
+#define IMX258_EXPOSURE_OFFSET 10
#define IMX258_EXPOSURE_MIN 4
#define IMX258_EXPOSURE_STEP 1
#define IMX258_EXPOSURE_DEFAULT 0x640
-#define IMX258_EXPOSURE_MAX 65535
+#define IMX258_EXPOSURE_MAX (IMX258_VTS_MAX - IMX258_EXPOSURE_OFFSET)
+
+/* HBLANK control - read only */
+#define IMX258_PPL_DEFAULT 5352
/* Analog gain control */
#define IMX258_REG_ANALOG_GAIN 0x0204
#define IMX258_HDR_RATIO_STEP 1
#define IMX258_HDR_RATIO_DEFAULT 0x0
+/* Long exposure multiplier */
+#define IMX258_LONG_EXP_SHIFT_MAX 7
+#define IMX258_LONG_EXP_SHIFT_REG 0x3002
+
/* Test Pattern Control */
#define IMX258_REG_TEST_PATTERN 0x0600
+#define IMX258_CLK_BLANK_STOP 0x4040
+
/* Orientation */
#define REG_MIRROR_FLIP_CONTROL 0x0101
-#define REG_CONFIG_MIRROR_FLIP 0x03
+#define REG_CONFIG_MIRROR_HFLIP 0x01
+#define REG_CONFIG_MIRROR_VFLIP 0x02
#define REG_CONFIG_FLIP_TEST_PATTERN 0x02
-/* Input clock frequency in Hz */
-#define IMX258_INPUT_CLOCK_FREQ 19200000
+/* IMX258 native and active pixel array size. */
+#define IMX258_NATIVE_WIDTH 4224U
+#define IMX258_NATIVE_HEIGHT 3192U
+#define IMX258_PIXEL_ARRAY_LEFT 8U
+#define IMX258_PIXEL_ARRAY_TOP 16U
+#define IMX258_PIXEL_ARRAY_WIDTH 4208U
+#define IMX258_PIXEL_ARRAY_HEIGHT 3120U
struct imx258_reg {
u16 address;
const struct imx258_reg *regs;
};
+struct imx258_link_cfg {
+ unsigned int lf_to_pix_rate_factor;
+ struct imx258_reg_list reg_list;
+};
+
+#define IMX258_LANE_CONFIGS 2
+#define IMX258_2_LANE_MODE 0
+#define IMX258_4_LANE_MODE 1
+
/* Link frequency config */
struct imx258_link_freq_config {
+ u64 link_frequency;
u32 pixels_per_line;
- /* PLL registers for this link frequency */
- struct imx258_reg_list reg_list;
+ /* Configuration for this link frequency / num lanes selection */
+ struct imx258_link_cfg link_cfg[IMX258_LANE_CONFIGS];
};
/* Mode : resolution and related config&values */
u32 link_freq_index;
/* Default register values */
struct imx258_reg_list reg_list;
+
+ /* Analog crop rectangle. */
+ struct v4l2_rect crop;
+};
+
+/* 4208x3120 needs 1267Mbps/lane, 4 lanes. Use that rate on 2 lanes as well */
+static const struct imx258_reg mipi_1267mbps_19_2mhz_2l[] = {
+ { 0x0136, 0x13 },
+ { 0x0137, 0x33 },
+ { 0x0301, 0x0A },
+ { 0x0303, 0x02 },
+ { 0x0305, 0x03 },
+ { 0x0306, 0x00 },
+ { 0x0307, 0xC6 },
+ { 0x0309, 0x0A },
+ { 0x030B, 0x01 },
+ { 0x030D, 0x02 },
+ { 0x030E, 0x00 },
+ { 0x030F, 0xD8 },
+ { 0x0310, 0x00 },
+
+ { 0x0114, 0x01 },
+ { 0x0820, 0x09 },
+ { 0x0821, 0xa6 },
+ { 0x0822, 0x66 },
+ { 0x0823, 0x66 },
};
-/* 4208x3118 needs 1267Mbps/lane, 4 lanes */
-static const struct imx258_reg mipi_data_rate_1267mbps[] = {
+static const struct imx258_reg mipi_1267mbps_19_2mhz_4l[] = {
+ { 0x0136, 0x13 },
+ { 0x0137, 0x33 },
{ 0x0301, 0x05 },
{ 0x0303, 0x02 },
{ 0x0305, 0x03 },
{ 0x030E, 0x00 },
{ 0x030F, 0xD8 },
{ 0x0310, 0x00 },
+
+ { 0x0114, 0x03 },
{ 0x0820, 0x13 },
{ 0x0821, 0x4C },
{ 0x0822, 0xCC },
{ 0x0823, 0xCC },
};
-static const struct imx258_reg mipi_data_rate_640mbps[] = {
+static const struct imx258_reg mipi_1272mbps_24mhz_2l[] = {
+ { 0x0136, 0x18 },
+ { 0x0137, 0x00 },
+ { 0x0301, 0x0a },
+ { 0x0303, 0x02 },
+ { 0x0305, 0x04 },
+ { 0x0306, 0x00 },
+ { 0x0307, 0xD4 },
+ { 0x0309, 0x0A },
+ { 0x030B, 0x01 },
+ { 0x030D, 0x02 },
+ { 0x030E, 0x00 },
+ { 0x030F, 0xD8 },
+ { 0x0310, 0x00 },
+
+ { 0x0114, 0x01 },
+ { 0x0820, 0x13 },
+ { 0x0821, 0x4C },
+ { 0x0822, 0xCC },
+ { 0x0823, 0xCC },
+};
+
+static const struct imx258_reg mipi_1272mbps_24mhz_4l[] = {
+ { 0x0136, 0x18 },
+ { 0x0137, 0x00 },
+ { 0x0301, 0x05 },
+ { 0x0303, 0x02 },
+ { 0x0305, 0x04 },
+ { 0x0306, 0x00 },
+ { 0x0307, 0xD4 },
+ { 0x0309, 0x0A },
+ { 0x030B, 0x01 },
+ { 0x030D, 0x02 },
+ { 0x030E, 0x00 },
+ { 0x030F, 0xD8 },
+ { 0x0310, 0x00 },
+
+ { 0x0114, 0x03 },
+ { 0x0820, 0x13 },
+ { 0x0821, 0xE0 },
+ { 0x0822, 0x00 },
+ { 0x0823, 0x00 },
+};
+
+static const struct imx258_reg mipi_640mbps_19_2mhz_2l[] = {
+ { 0x0136, 0x13 },
+ { 0x0137, 0x33 },
{ 0x0301, 0x05 },
{ 0x0303, 0x02 },
{ 0x0305, 0x03 },
{ 0x030E, 0x00 },
{ 0x030F, 0xD8 },
{ 0x0310, 0x00 },
- { 0x0820, 0x0A },
+
+ { 0x0114, 0x01 },
+ { 0x0820, 0x05 },
{ 0x0821, 0x00 },
{ 0x0822, 0x00 },
{ 0x0823, 0x00 },
};
-static const struct imx258_reg mode_4208x3118_regs[] = {
+static const struct imx258_reg mipi_640mbps_19_2mhz_4l[] = {
{ 0x0136, 0x13 },
{ 0x0137, 0x33 },
+ { 0x0301, 0x05 },
+ { 0x0303, 0x02 },
+ { 0x0305, 0x03 },
+ { 0x0306, 0x00 },
+ { 0x0307, 0x64 },
+ { 0x0309, 0x0A },
+ { 0x030B, 0x01 },
+ { 0x030D, 0x02 },
+ { 0x030E, 0x00 },
+ { 0x030F, 0xD8 },
+ { 0x0310, 0x00 },
+
+ { 0x0114, 0x03 },
+ { 0x0820, 0x0A },
+ { 0x0821, 0x00 },
+ { 0x0822, 0x00 },
+ { 0x0823, 0x00 },
+};
+
+static const struct imx258_reg mipi_642mbps_24mhz_2l[] = {
+ { 0x0136, 0x18 },
+ { 0x0137, 0x00 },
+ { 0x0301, 0x05 },
+ { 0x0303, 0x02 },
+ { 0x0305, 0x04 },
+ { 0x0306, 0x00 },
+ { 0x0307, 0x6B },
+ { 0x0309, 0x0A },
+ { 0x030B, 0x01 },
+ { 0x030D, 0x02 },
+ { 0x030E, 0x00 },
+ { 0x030F, 0xD8 },
+ { 0x0310, 0x00 },
+
+ { 0x0114, 0x01 },
+ { 0x0820, 0x0A },
+ { 0x0821, 0x00 },
+ { 0x0822, 0x00 },
+ { 0x0823, 0x00 },
+};
+
+static const struct imx258_reg mipi_642mbps_24mhz_4l[] = {
+ { 0x0136, 0x18 },
+ { 0x0137, 0x00 },
+ { 0x0301, 0x05 },
+ { 0x0303, 0x02 },
+ { 0x0305, 0x04 },
+ { 0x0306, 0x00 },
+ { 0x0307, 0x6B },
+ { 0x0309, 0x0A },
+ { 0x030B, 0x01 },
+ { 0x030D, 0x02 },
+ { 0x030E, 0x00 },
+ { 0x030F, 0xD8 },
+ { 0x0310, 0x00 },
+
+ { 0x0114, 0x03 },
+ { 0x0820, 0x0A },
+ { 0x0821, 0x00 },
+ { 0x0822, 0x00 },
+ { 0x0823, 0x00 },
+};
+
+static const struct imx258_reg mode_4208x3120_regs[] = {
{ 0x3051, 0x00 },
- { 0x3052, 0x00 },
- { 0x4E21, 0x14 },
{ 0x6B11, 0xCF },
{ 0x7FF0, 0x08 },
{ 0x7FF1, 0x0F },
{ 0x7FA8, 0x03 },
{ 0x7FA9, 0xFE },
{ 0x7B24, 0x81 },
- { 0x7B25, 0x00 },
{ 0x6564, 0x07 },
{ 0x6B0D, 0x41 },
{ 0x653D, 0x04 },
{ 0x5F05, 0xED },
{ 0x0112, 0x0A },
{ 0x0113, 0x0A },
- { 0x0114, 0x03 },
{ 0x0342, 0x14 },
{ 0x0343, 0xE8 },
- { 0x0340, 0x0C },
- { 0x0341, 0x50 },
{ 0x0344, 0x00 },
{ 0x0345, 0x00 },
{ 0x0346, 0x00 },
{ 0x0348, 0x10 },
{ 0x0349, 0x6F },
{ 0x034A, 0x0C },
- { 0x034B, 0x2E },
+ { 0x034B, 0x2F },
{ 0x0381, 0x01 },
{ 0x0383, 0x01 },
{ 0x0385, 0x01 },
{ 0x034D, 0x70 },
{ 0x034E, 0x0C },
{ 0x034F, 0x30 },
- { 0x0350, 0x01 },
- { 0x0202, 0x0C },
- { 0x0203, 0x46 },
+ { 0x0350, 0x00 },
{ 0x0204, 0x00 },
{ 0x0205, 0x00 },
{ 0x020E, 0x01 },
};
static const struct imx258_reg mode_2104_1560_regs[] = {
- { 0x0136, 0x13 },
- { 0x0137, 0x33 },
{ 0x3051, 0x00 },
- { 0x3052, 0x00 },
- { 0x4E21, 0x14 },
{ 0x6B11, 0xCF },
{ 0x7FF0, 0x08 },
{ 0x7FF1, 0x0F },
{ 0x7FA8, 0x03 },
{ 0x7FA9, 0xFE },
{ 0x7B24, 0x81 },
- { 0x7B25, 0x00 },
{ 0x6564, 0x07 },
{ 0x6B0D, 0x41 },
{ 0x653D, 0x04 },
{ 0x5F05, 0xED },
{ 0x0112, 0x0A },
{ 0x0113, 0x0A },
- { 0x0114, 0x03 },
{ 0x0342, 0x14 },
{ 0x0343, 0xE8 },
- { 0x0340, 0x06 },
- { 0x0341, 0x38 },
{ 0x0344, 0x00 },
{ 0x0345, 0x00 },
{ 0x0346, 0x00 },
{ 0x0348, 0x10 },
{ 0x0349, 0x6F },
{ 0x034A, 0x0C },
- { 0x034B, 0x2E },
+ { 0x034B, 0x2F },
{ 0x0381, 0x01 },
{ 0x0383, 0x01 },
{ 0x0385, 0x01 },
{ 0x0404, 0x00 },
{ 0x0405, 0x20 },
{ 0x0408, 0x00 },
- { 0x0409, 0x02 },
+ { 0x0409, 0x00 },
{ 0x040A, 0x00 },
{ 0x040B, 0x00 },
{ 0x040C, 0x10 },
- { 0x040D, 0x6A },
+ { 0x040D, 0x70 },
{ 0x040E, 0x06 },
{ 0x040F, 0x18 },
{ 0x3038, 0x00 },
{ 0x034D, 0x38 },
{ 0x034E, 0x06 },
{ 0x034F, 0x18 },
- { 0x0350, 0x01 },
- { 0x0202, 0x06 },
- { 0x0203, 0x2E },
+ { 0x0350, 0x00 },
{ 0x0204, 0x00 },
{ 0x0205, 0x00 },
{ 0x020E, 0x01 },
};
static const struct imx258_reg mode_1048_780_regs[] = {
- { 0x0136, 0x13 },
- { 0x0137, 0x33 },
{ 0x3051, 0x00 },
- { 0x3052, 0x00 },
- { 0x4E21, 0x14 },
{ 0x6B11, 0xCF },
{ 0x7FF0, 0x08 },
{ 0x7FF1, 0x0F },
{ 0x7FA8, 0x03 },
{ 0x7FA9, 0xFE },
{ 0x7B24, 0x81 },
- { 0x7B25, 0x00 },
{ 0x6564, 0x07 },
{ 0x6B0D, 0x41 },
{ 0x653D, 0x04 },
{ 0x5F05, 0xED },
{ 0x0112, 0x0A },
{ 0x0113, 0x0A },
- { 0x0114, 0x03 },
{ 0x0342, 0x14 },
{ 0x0343, 0xE8 },
- { 0x0340, 0x03 },
- { 0x0341, 0x4C },
{ 0x0344, 0x00 },
{ 0x0345, 0x00 },
{ 0x0346, 0x00 },
{ 0x0348, 0x10 },
{ 0x0349, 0x6F },
{ 0x034A, 0x0C },
- { 0x034B, 0x2E },
+ { 0x034B, 0x2F },
{ 0x0381, 0x01 },
{ 0x0383, 0x01 },
{ 0x0385, 0x01 },
{ 0x0404, 0x00 },
{ 0x0405, 0x40 },
{ 0x0408, 0x00 },
- { 0x0409, 0x06 },
+ { 0x0409, 0x00 },
{ 0x040A, 0x00 },
{ 0x040B, 0x00 },
{ 0x040C, 0x10 },
- { 0x040D, 0x64 },
+ { 0x040D, 0x70 },
{ 0x040E, 0x03 },
{ 0x040F, 0x0C },
{ 0x3038, 0x00 },
{ 0x034D, 0x18 },
{ 0x034E, 0x03 },
{ 0x034F, 0x0C },
- { 0x0350, 0x01 },
- { 0x0202, 0x03 },
- { 0x0203, 0x42 },
+ { 0x0350, 0x00 },
{ 0x0204, 0x00 },
{ 0x0205, 0x00 },
{ 0x020E, 0x01 },
{ 0x0220, 0x00 },
};
+struct imx258_variant_cfg {
+ const struct imx258_reg *regs;
+ unsigned int num_regs;
+};
+
+static const struct imx258_reg imx258_cfg_regs[] = {
+ { 0x3052, 0x00 },
+ { 0x4E21, 0x14 },
+ { 0x7B25, 0x00 },
+};
+
+static const struct imx258_variant_cfg imx258_cfg = {
+ .regs = imx258_cfg_regs,
+ .num_regs = ARRAY_SIZE(imx258_cfg_regs),
+};
+
+static const struct imx258_reg imx258_pdaf_cfg_regs[] = {
+ { 0x3052, 0x01 },
+ { 0x4E21, 0x10 },
+ { 0x7B25, 0x01 },
+};
+
+static const struct imx258_variant_cfg imx258_pdaf_cfg = {
+ .regs = imx258_pdaf_cfg_regs,
+ .num_regs = ARRAY_SIZE(imx258_pdaf_cfg_regs),
+};
+
+/*
+ * The supported formats.
+ * This table MUST contain 4 entries per format, to cover the various flip
+ * combinations in the order
+ * - no flip
+ * - h flip
+ * - v flip
+ * - h&v flips
+ */
+static const u32 codes[] = {
+ /* 10-bit modes. */
+ MEDIA_BUS_FMT_SRGGB10_1X10,
+ MEDIA_BUS_FMT_SGRBG10_1X10,
+ MEDIA_BUS_FMT_SGBRG10_1X10,
+ MEDIA_BUS_FMT_SBGGR10_1X10
+};
+
static const char * const imx258_test_pattern_menu[] = {
"Disabled",
"Solid Colour",
"Pseudorandom Sequence (PN9)",
};
-/* Configurations for supported link frequencies */
-#define IMX258_LINK_FREQ_634MHZ 633600000ULL
-#define IMX258_LINK_FREQ_320MHZ 320000000ULL
+/* regulator supplies */
+static const char * const imx258_supply_name[] = {
+ /* Supplies can be enabled in any order */
+ "vana", /* Analog (2.8V) supply */
+ "vdig", /* Digital Core (1.05V) supply */
+ "vif", /* IF (1.8V) supply */
+};
+
+#define IMX258_NUM_SUPPLIES ARRAY_SIZE(imx258_supply_name)
enum {
IMX258_LINK_FREQ_1267MBPS,
};
/*
- * pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample
- * data rate => double data rate; number of lanes => 4; bits per pixel => 10
+ * Pixel rate does not necessarily relate to link frequency on this sensor as
+ * there is a FIFO between the pixel array pipeline and the MIPI serializer.
+ * The recommendation from Sony is that the pixel array is always run with a
+ * line length of 5352 pixels, which means that there is a large amount of
+ * blanking time for the 1048x780 mode. There is no need to replicate this
+ * blanking on the CSI2 bus, and the configuration of register 0x0301 allows the
+ * divider to be altered.
+ *
+ * The actual factor between link frequency and pixel rate is in the
+ * imx258_link_cfg, so use this to convert between the two.
+ * bits per pixel being 10, and D-PHY being DDR is assumed by this function, so
+ * the value is only the combination of number of lanes and pixel clock divider.
*/
-static u64 link_freq_to_pixel_rate(u64 f)
+static u64 link_freq_to_pixel_rate(u64 f, const struct imx258_link_cfg *link_cfg)
{
- f *= 2 * 4;
+ f *= 2 * link_cfg->lf_to_pix_rate_factor;
do_div(f, 10);
return f;
}
/* Menu items for LINK_FREQ V4L2 control */
-static const s64 link_freq_menu_items[] = {
+/* Configurations for supported link frequencies */
+#define IMX258_LINK_FREQ_634MHZ 633600000ULL
+#define IMX258_LINK_FREQ_320MHZ 320000000ULL
+
+static const s64 link_freq_menu_items_19_2[] = {
IMX258_LINK_FREQ_634MHZ,
IMX258_LINK_FREQ_320MHZ,
};
+/* Configurations for supported link frequencies */
+#define IMX258_LINK_FREQ_636MHZ 636000000ULL
+#define IMX258_LINK_FREQ_321MHZ 321000000ULL
+
+static const s64 link_freq_menu_items_24[] = {
+ IMX258_LINK_FREQ_636MHZ,
+ IMX258_LINK_FREQ_321MHZ,
+};
+
+#define REGS(_list) { .num_of_regs = ARRAY_SIZE(_list), .regs = _list, }
+
/* Link frequency configs */
-static const struct imx258_link_freq_config link_freq_configs[] = {
+static const struct imx258_link_freq_config link_freq_configs_19_2[] = {
[IMX258_LINK_FREQ_1267MBPS] = {
.pixels_per_line = IMX258_PPL_DEFAULT,
- .reg_list = {
- .num_of_regs = ARRAY_SIZE(mipi_data_rate_1267mbps),
- .regs = mipi_data_rate_1267mbps,
+ .link_cfg = {
+ [IMX258_2_LANE_MODE] = {
+ .lf_to_pix_rate_factor = 2 * 2,
+ .reg_list = REGS(mipi_1267mbps_19_2mhz_2l),
+ },
+ [IMX258_4_LANE_MODE] = {
+ .lf_to_pix_rate_factor = 4,
+ .reg_list = REGS(mipi_1267mbps_19_2mhz_4l),
+ },
}
},
[IMX258_LINK_FREQ_640MBPS] = {
.pixels_per_line = IMX258_PPL_DEFAULT,
- .reg_list = {
- .num_of_regs = ARRAY_SIZE(mipi_data_rate_640mbps),
- .regs = mipi_data_rate_640mbps,
+ .link_cfg = {
+ [IMX258_2_LANE_MODE] = {
+ .lf_to_pix_rate_factor = 2,
+ .reg_list = REGS(mipi_640mbps_19_2mhz_2l),
+ },
+ [IMX258_4_LANE_MODE] = {
+ .lf_to_pix_rate_factor = 4,
+ .reg_list = REGS(mipi_640mbps_19_2mhz_4l),
+ },
+ }
+ },
+};
+
+static const struct imx258_link_freq_config link_freq_configs_24[] = {
+ [IMX258_LINK_FREQ_1267MBPS] = {
+ .pixels_per_line = IMX258_PPL_DEFAULT,
+ .link_cfg = {
+ [IMX258_2_LANE_MODE] = {
+ .lf_to_pix_rate_factor = 2,
+ .reg_list = REGS(mipi_1272mbps_24mhz_2l),
+ },
+ [IMX258_4_LANE_MODE] = {
+ .lf_to_pix_rate_factor = 4,
+ .reg_list = REGS(mipi_1272mbps_24mhz_4l),
+ },
+ }
+ },
+ [IMX258_LINK_FREQ_640MBPS] = {
+ .pixels_per_line = IMX258_PPL_DEFAULT,
+ .link_cfg = {
+ [IMX258_2_LANE_MODE] = {
+ .lf_to_pix_rate_factor = 2 * 2,
+ .reg_list = REGS(mipi_642mbps_24mhz_2l),
+ },
+ [IMX258_4_LANE_MODE] = {
+ .lf_to_pix_rate_factor = 4,
+ .reg_list = REGS(mipi_642mbps_24mhz_4l),
+ },
}
},
};
static const struct imx258_mode supported_modes[] = {
{
.width = 4208,
- .height = 3118,
+ .height = 3120,
.vts_def = IMX258_VTS_30FPS,
.vts_min = IMX258_VTS_30FPS,
.reg_list = {
- .num_of_regs = ARRAY_SIZE(mode_4208x3118_regs),
- .regs = mode_4208x3118_regs,
+ .num_of_regs = ARRAY_SIZE(mode_4208x3120_regs),
+ .regs = mode_4208x3120_regs,
},
.link_freq_index = IMX258_LINK_FREQ_1267MBPS,
+ .crop = {
+ .left = IMX258_PIXEL_ARRAY_LEFT,
+ .top = IMX258_PIXEL_ARRAY_TOP,
+ .width = 4208,
+ .height = 3120,
+ },
},
{
.width = 2104,
.regs = mode_2104_1560_regs,
},
.link_freq_index = IMX258_LINK_FREQ_640MBPS,
+ .crop = {
+ .left = IMX258_PIXEL_ARRAY_LEFT,
+ .top = IMX258_PIXEL_ARRAY_TOP,
+ .width = 4208,
+ .height = 3120,
+ },
},
{
.width = 1048,
.regs = mode_1048_780_regs,
},
.link_freq_index = IMX258_LINK_FREQ_640MBPS,
+ .crop = {
+ .left = IMX258_PIXEL_ARRAY_LEFT,
+ .top = IMX258_PIXEL_ARRAY_TOP,
+ .width = 4208,
+ .height = 3120,
+ },
},
};
struct v4l2_subdev sd;
struct media_pad pad;
+ const struct imx258_variant_cfg *variant_cfg;
+
struct v4l2_ctrl_handler ctrl_handler;
/* V4L2 Controls */
struct v4l2_ctrl *link_freq;
struct v4l2_ctrl *vblank;
struct v4l2_ctrl *hblank;
struct v4l2_ctrl *exposure;
+ struct v4l2_ctrl *hflip;
+ struct v4l2_ctrl *vflip;
+ /* Current long exposure factor in use. Set through V4L2_CID_VBLANK */
+ unsigned int long_exp_shift;
/* Current mode */
const struct imx258_mode *cur_mode;
+ const struct imx258_link_freq_config *link_freq_configs;
+ const s64 *link_freq_menu_items;
+ unsigned int lane_mode_idx;
+ unsigned int csi2_flags;
+
/*
* Mutex for serialized access:
* Protect sensor module set pad format and start/stop streaming safely.
bool streaming;
struct clk *clk;
+ struct regulator_bulk_data supplies[IMX258_NUM_SUPPLIES];
};
static inline struct imx258 *to_imx258(struct v4l2_subdev *_sd)
return 0;
}
+/* Get bayer order based on flip setting. */
+static u32 imx258_get_format_code(struct imx258 *imx258)
+{
+ unsigned int i;
+
+ lockdep_assert_held(&imx258->mutex);
+
+ i = (imx258->vflip->val ? 2 : 0) |
+ (imx258->hflip->val ? 1 : 0);
+
+ return codes[i];
+}
/* Open sub-device */
static int imx258_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
+ struct imx258 *imx258 = to_imx258(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->state, 0);
+ struct v4l2_rect *try_crop;
/* Initialize try_fmt */
try_fmt->width = supported_modes[0].width;
try_fmt->height = supported_modes[0].height;
- try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+ try_fmt->code = imx258_get_format_code(imx258);
try_fmt->field = V4L2_FIELD_NONE;
+ /* Initialize try_crop */
+ try_crop = v4l2_subdev_get_try_crop(sd, fh->state, 0);
+ try_crop->left = IMX258_PIXEL_ARRAY_LEFT;
+ try_crop->top = IMX258_PIXEL_ARRAY_TOP;
+ try_crop->width = IMX258_PIXEL_ARRAY_WIDTH;
+ try_crop->height = IMX258_PIXEL_ARRAY_HEIGHT;
+
return 0;
}
return 0;
}
+static void imx258_adjust_exposure_range(struct imx258 *imx258)
+{
+ int exposure_max, exposure_def;
+
+ /* Honour the VBLANK limits when setting exposure. */
+ exposure_max = imx258->cur_mode->height + imx258->vblank->val -
+ IMX258_EXPOSURE_OFFSET;
+ exposure_def = min(exposure_max, imx258->exposure->val);
+ __v4l2_ctrl_modify_range(imx258->exposure, imx258->exposure->minimum,
+ exposure_max, imx258->exposure->step,
+ exposure_def);
+}
+
+static int imx258_set_frame_length(struct imx258 *imx258, unsigned int val)
+{
+ int ret;
+
+ imx258->long_exp_shift = 0;
+
+ while (val > IMX258_VTS_MAX) {
+ imx258->long_exp_shift++;
+ val >>= 1;
+ }
+
+ ret = imx258_write_reg(imx258, IMX258_REG_VTS,
+ IMX258_REG_VALUE_16BIT, val);
+ if (ret)
+ return ret;
+
+ return imx258_write_reg(imx258, IMX258_LONG_EXP_SHIFT_REG,
+ IMX258_REG_VALUE_08BIT, imx258->long_exp_shift);
+}
+
static int imx258_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct imx258 *imx258 =
int ret = 0;
/*
+ * The VBLANK control may change the limits of usable exposure, so check
+ * and adjust if necessary.
+ */
+ if (ctrl->id == V4L2_CID_VBLANK)
+ imx258_adjust_exposure_range(imx258);
+
+ /*
* Applying V4L2 control value only happens
* when power is up for streaming
*/
case V4L2_CID_EXPOSURE:
ret = imx258_write_reg(imx258, IMX258_REG_EXPOSURE,
IMX258_REG_VALUE_16BIT,
- ctrl->val);
+ ctrl->val >> imx258->long_exp_shift);
break;
case V4L2_CID_DIGITAL_GAIN:
ret = imx258_update_digital_gain(imx258, IMX258_REG_VALUE_16BIT,
ret = imx258_write_reg(imx258, IMX258_REG_TEST_PATTERN,
IMX258_REG_VALUE_16BIT,
ctrl->val);
- ret = imx258_write_reg(imx258, REG_MIRROR_FLIP_CONTROL,
- IMX258_REG_VALUE_08BIT,
- !ctrl->val ? REG_CONFIG_MIRROR_FLIP :
- REG_CONFIG_FLIP_TEST_PATTERN);
break;
case V4L2_CID_WIDE_DYNAMIC_RANGE:
if (!ctrl->val) {
BIT(IMX258_HDR_RATIO_MAX));
}
break;
+ case V4L2_CID_VBLANK:
+ ret = imx258_set_frame_length(imx258,
+ imx258->cur_mode->height + ctrl->val);
+ break;
+ case V4L2_CID_VFLIP:
+ case V4L2_CID_HFLIP:
+ ret = imx258_write_reg(imx258, REG_MIRROR_FLIP_CONTROL,
+ IMX258_REG_VALUE_08BIT,
+ (imx258->hflip->val ?
+ REG_CONFIG_MIRROR_HFLIP : 0) |
+ (imx258->vflip->val ?
+ REG_CONFIG_MIRROR_VFLIP : 0));
+ break;
default:
dev_info(&client->dev,
"ctrl(id:0x%x,val:0x%x) is not handled\n",
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
- /* Only one bayer order(GRBG) is supported */
+ struct imx258 *imx258 = to_imx258(sd);
+
+ /* Only one bayer format (10 bit) is supported */
if (code->index > 0)
return -EINVAL;
- code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+ code->code = imx258_get_format_code(imx258);
return 0;
}
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
+ struct imx258 *imx258 = to_imx258(sd);
if (fse->index >= ARRAY_SIZE(supported_modes))
return -EINVAL;
- if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
+ if (fse->code != imx258_get_format_code(imx258))
return -EINVAL;
fse->min_width = supported_modes[fse->index].width;
return 0;
}
-static void imx258_update_pad_format(const struct imx258_mode *mode,
+static void imx258_update_pad_format(struct imx258 *imx258,
+ const struct imx258_mode *mode,
struct v4l2_subdev_format *fmt)
{
fmt->format.width = mode->width;
fmt->format.height = mode->height;
- fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
+ fmt->format.code = imx258_get_format_code(imx258);
fmt->format.field = V4L2_FIELD_NONE;
}
sd_state,
fmt->pad);
else
- imx258_update_pad_format(imx258->cur_mode, fmt);
+ imx258_update_pad_format(imx258, imx258->cur_mode, fmt);
return 0;
}
struct v4l2_subdev_format *fmt)
{
struct imx258 *imx258 = to_imx258(sd);
- const struct imx258_mode *mode;
+ const struct imx258_link_freq_config *link_freq_cfgs;
+ const struct imx258_link_cfg *link_cfg;
struct v4l2_mbus_framefmt *framefmt;
+ const struct imx258_mode *mode;
s32 vblank_def;
s32 vblank_min;
s64 h_blank;
mutex_lock(&imx258->mutex);
- /* Only one raw bayer(GBRG) order is supported */
- fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
+ fmt->format.code = imx258_get_format_code(imx258);
mode = v4l2_find_nearest_size(supported_modes,
ARRAY_SIZE(supported_modes), width, height,
fmt->format.width, fmt->format.height);
- imx258_update_pad_format(mode, fmt);
+ imx258_update_pad_format(imx258, mode, fmt);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
*framefmt = fmt->format;
imx258->cur_mode = mode;
__v4l2_ctrl_s_ctrl(imx258->link_freq, mode->link_freq_index);
- link_freq = link_freq_menu_items[mode->link_freq_index];
- pixel_rate = link_freq_to_pixel_rate(link_freq);
- __v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate, pixel_rate);
+ link_freq = imx258->link_freq_menu_items[mode->link_freq_index];
+ link_freq_cfgs =
+ &imx258->link_freq_configs[mode->link_freq_index];
+
+ link_cfg = &link_freq_cfgs->link_cfg[imx258->lane_mode_idx];
+ pixel_rate = link_freq_to_pixel_rate(link_freq, link_cfg);
+ __v4l2_ctrl_modify_range(imx258->pixel_rate, pixel_rate,
+ pixel_rate, 1, pixel_rate);
/* Update limits and set FPS to default */
vblank_def = imx258->cur_mode->vts_def -
imx258->cur_mode->height;
imx258->cur_mode->height;
__v4l2_ctrl_modify_range(
imx258->vblank, vblank_min,
- IMX258_VTS_MAX - imx258->cur_mode->height, 1,
- vblank_def);
+ ((1 << IMX258_LONG_EXP_SHIFT_MAX) * IMX258_VTS_MAX) -
+ imx258->cur_mode->height,
+ 1, vblank_def);
__v4l2_ctrl_s_ctrl(imx258->vblank, vblank_def);
h_blank =
- link_freq_configs[mode->link_freq_index].pixels_per_line
+ imx258->link_freq_configs[mode->link_freq_index].pixels_per_line
- imx258->cur_mode->width;
__v4l2_ctrl_modify_range(imx258->hblank, h_blank,
h_blank, 1, h_blank);
return 0;
}
+static const struct v4l2_rect *
+__imx258_get_pad_crop(struct imx258 *imx258,
+ struct v4l2_subdev_state *sd_state,
+ unsigned int pad, enum v4l2_subdev_format_whence which)
+{
+ switch (which) {
+ case V4L2_SUBDEV_FORMAT_TRY:
+ return v4l2_subdev_get_try_crop(&imx258->sd, sd_state, pad);
+ case V4L2_SUBDEV_FORMAT_ACTIVE:
+ return &imx258->cur_mode->crop;
+ }
+
+ return NULL;
+}
+
+static int imx258_get_selection(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_selection *sel)
+{
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP: {
+ struct imx258 *imx258 = to_imx258(sd);
+
+ mutex_lock(&imx258->mutex);
+ sel->r = *__imx258_get_pad_crop(imx258, sd_state, sel->pad,
+ sel->which);
+ mutex_unlock(&imx258->mutex);
+
+ return 0;
+ }
+
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ sel->r.left = 0;
+ sel->r.top = 0;
+ sel->r.width = IMX258_NATIVE_WIDTH;
+ sel->r.height = IMX258_NATIVE_HEIGHT;
+
+ return 0;
+
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.left = IMX258_PIXEL_ARRAY_LEFT;
+ sel->r.top = IMX258_PIXEL_ARRAY_TOP;
+ sel->r.width = IMX258_PIXEL_ARRAY_WIDTH;
+ sel->r.height = IMX258_PIXEL_ARRAY_HEIGHT;
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
/* Start streaming */
static int imx258_start_streaming(struct imx258 *imx258)
{
struct i2c_client *client = v4l2_get_subdevdata(&imx258->sd);
const struct imx258_reg_list *reg_list;
+ const struct imx258_link_freq_config *link_freq_cfg;
int ret, link_freq_index;
+ ret = imx258_write_reg(imx258, IMX258_REG_RESET, IMX258_REG_VALUE_08BIT,
+ 0x01);
+ if (ret) {
+ dev_err(&client->dev, "%s failed to reset sensor\n", __func__);
+ return ret;
+ }
+ usleep_range(10000, 15000);
+
/* Setup PLL */
link_freq_index = imx258->cur_mode->link_freq_index;
- reg_list = &link_freq_configs[link_freq_index].reg_list;
+ link_freq_cfg = &imx258->link_freq_configs[link_freq_index];
+
+ reg_list = &link_freq_cfg->link_cfg[imx258->lane_mode_idx].reg_list;
ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs);
if (ret) {
dev_err(&client->dev, "%s failed to set plls\n", __func__);
return ret;
}
- /* Apply default values of current mode */
- reg_list = &imx258->cur_mode->reg_list;
- ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs);
+ ret = imx258_write_regs(imx258, imx258->variant_cfg->regs,
+ imx258->variant_cfg->num_regs);
if (ret) {
- dev_err(&client->dev, "%s failed to set mode\n", __func__);
+ dev_err(&client->dev, "%s failed to set variant config\n",
+ __func__);
return ret;
}
- /* Set Orientation be 180 degree */
- ret = imx258_write_reg(imx258, REG_MIRROR_FLIP_CONTROL,
- IMX258_REG_VALUE_08BIT, REG_CONFIG_MIRROR_FLIP);
+ ret = imx258_write_reg(imx258, IMX258_CLK_BLANK_STOP,
+ IMX258_REG_VALUE_08BIT,
+ imx258->csi2_flags & V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK ?
+ 1 : 0);
if (ret) {
- dev_err(&client->dev, "%s failed to set orientation\n",
- __func__);
+ dev_err(&client->dev, "%s failed to set clock lane mode\n", __func__);
+ return ret;
+ }
+
+ /* Apply default values of current mode */
+ reg_list = &imx258->cur_mode->reg_list;
+ ret = imx258_write_regs(imx258, reg_list->regs, reg_list->num_of_regs);
+ if (ret) {
+ dev_err(&client->dev, "%s failed to set mode\n", __func__);
return ret;
}
struct imx258 *imx258 = to_imx258(sd);
int ret;
+ ret = regulator_bulk_enable(IMX258_NUM_SUPPLIES,
+ imx258->supplies);
+ if (ret) {
+ dev_err(dev, "%s: failed to enable regulators\n",
+ __func__);
+ return ret;
+ }
+
ret = clk_prepare_enable(imx258->clk);
- if (ret)
+ if (ret) {
dev_err(dev, "failed to enable clock\n");
+ regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies);
+ }
return ret;
}
struct imx258 *imx258 = to_imx258(sd);
clk_disable_unprepare(imx258->clk);
+ regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies);
return 0;
}
.get_fmt = imx258_get_pad_format,
.set_fmt = imx258_set_pad_format,
.enum_frame_size = imx258_enum_frame_size,
+ .get_selection = imx258_get_selection,
};
static const struct v4l2_subdev_ops imx258_subdev_ops = {
static int imx258_init_controls(struct imx258 *imx258)
{
struct i2c_client *client = v4l2_get_subdevdata(&imx258->sd);
+ const struct imx258_link_freq_config *link_freq_cfgs;
struct v4l2_fwnode_device_properties props;
struct v4l2_ctrl_handler *ctrl_hdlr;
- struct v4l2_ctrl *vflip, *hflip;
+ const struct imx258_link_cfg *link_cfg;
s64 vblank_def;
s64 vblank_min;
- s64 pixel_rate_min;
- s64 pixel_rate_max;
+ s64 pixel_rate;
int ret;
ctrl_hdlr = &imx258->ctrl_handler;
imx258->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
&imx258_ctrl_ops,
V4L2_CID_LINK_FREQ,
- ARRAY_SIZE(link_freq_menu_items) - 1,
+ ARRAY_SIZE(link_freq_menu_items_19_2) - 1,
0,
- link_freq_menu_items);
+ imx258->link_freq_menu_items);
if (imx258->link_freq)
imx258->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
- /* The driver only supports one bayer order and flips by default. */
- hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops,
- V4L2_CID_HFLIP, 1, 1, 1, 1);
- if (hflip)
- hflip->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+ imx258->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 1);
+ if (imx258->hflip)
+ imx258->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
+
+ imx258->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 1);
+ if (imx258->vflip)
+ imx258->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
- vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops,
- V4L2_CID_VFLIP, 1, 1, 1, 1);
- if (vflip)
- vflip->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+ link_freq_cfgs = &imx258->link_freq_configs[0];
+ link_cfg = link_freq_cfgs[imx258->lane_mode_idx].link_cfg;
+ pixel_rate = link_freq_to_pixel_rate(imx258->link_freq_menu_items[0],
+ link_cfg);
- pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]);
- pixel_rate_min = link_freq_to_pixel_rate(link_freq_menu_items[1]);
/* By default, PIXEL_RATE is read only */
imx258->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops,
V4L2_CID_PIXEL_RATE,
- pixel_rate_min, pixel_rate_max,
- 1, pixel_rate_max);
+ pixel_rate, pixel_rate,
+ 1, pixel_rate);
vblank_def = imx258->cur_mode->vts_def - imx258->cur_mode->height;
IMX258_VTS_MAX - imx258->cur_mode->height, 1,
vblank_def);
- if (imx258->vblank)
- imx258->vblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
-
imx258->hblank = v4l2_ctrl_new_std(
ctrl_hdlr, &imx258_ctrl_ops, V4L2_CID_HBLANK,
IMX258_PPL_DEFAULT - imx258->cur_mode->width,
mutex_destroy(&imx258->mutex);
}
+static int imx258_get_regulators(struct imx258 *imx258,
+ struct i2c_client *client)
+{
+ unsigned int i;
+
+ for (i = 0; i < IMX258_NUM_SUPPLIES; i++)
+ imx258->supplies[i].supply = imx258_supply_name[i];
+
+ return devm_regulator_bulk_get(&client->dev,
+ IMX258_NUM_SUPPLIES,
+ imx258->supplies);
+}
+
+static const struct of_device_id imx258_dt_ids[] = {
+ { .compatible = "sony,imx258", .data = &imx258_cfg },
+ { .compatible = "sony,imx258-pdaf", .data = &imx258_pdaf_cfg },
+ { /* sentinel */ }
+};
+
static int imx258_probe(struct i2c_client *client)
{
struct imx258 *imx258;
+ struct fwnode_handle *endpoint;
+ struct v4l2_fwnode_endpoint ep = {
+ .bus_type = V4L2_MBUS_CSI2_DPHY
+ };
+ const struct of_device_id *match;
int ret;
u32 val = 0;
if (!imx258)
return -ENOMEM;
+ ret = imx258_get_regulators(imx258, client);
+ if (ret)
+ return ret;
+
imx258->clk = devm_clk_get_optional(&client->dev, NULL);
if (IS_ERR(imx258->clk))
return dev_err_probe(&client->dev, PTR_ERR(imx258->clk),
"no clock provided, using clock-frequency property\n");
device_property_read_u32(&client->dev, "clock-frequency", &val);
+ } else if (IS_ERR(imx258->clk)) {
+ return dev_err_probe(&client->dev, PTR_ERR(imx258->clk),
+ "error getting clock\n");
} else {
val = clk_get_rate(imx258->clk);
}
- if (val != IMX258_INPUT_CLOCK_FREQ) {
- dev_err(&client->dev, "input clock frequency not supported\n");
+
+ switch (val) {
+ case 19200000:
+ imx258->link_freq_configs = link_freq_configs_19_2;
+ imx258->link_freq_menu_items = link_freq_menu_items_19_2;
+ break;
+ case 24000000:
+ imx258->link_freq_configs = link_freq_configs_24;
+ imx258->link_freq_menu_items = link_freq_menu_items_24;
+ break;
+ default:
+ dev_err(&client->dev, "input clock frequency of %u not supported\n",
+ val);
return -EINVAL;
}
+ endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL);
+ if (!endpoint) {
+ dev_err(&client->dev, "Endpoint node not found\n");
+ return -EINVAL;
+ }
+
+ ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep);
+ fwnode_handle_put(endpoint);
+ if (ret == -ENXIO) {
+ dev_err(&client->dev, "Unsupported bus type, should be CSI2\n");
+ goto error_endpoint_poweron;
+ } else if (ret) {
+ dev_err(&client->dev, "Parsing endpoint node failed\n");
+ goto error_endpoint_poweron;
+ }
+
+ /* Get number of data lanes */
+ switch (ep.bus.mipi_csi2.num_data_lanes) {
+ case 2:
+ imx258->lane_mode_idx = IMX258_2_LANE_MODE;
+ break;
+ case 4:
+ imx258->lane_mode_idx = IMX258_4_LANE_MODE;
+ break;
+ default:
+ dev_err(&client->dev, "Invalid data lanes: %u\n",
+ ep.bus.mipi_csi2.num_data_lanes);
+ ret = -EINVAL;
+ goto error_endpoint_poweron;
+ }
+
+ imx258->csi2_flags = ep.bus.mipi_csi2.flags;
+
+ match = i2c_of_match_device(imx258_dt_ids, client);
+ if (!match || !match->data)
+ imx258->variant_cfg = &imx258_cfg;
+ else
+ imx258->variant_cfg =
+ (const struct imx258_variant_cfg *)match->data;
+
/* Initialize subdev */
v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops);
/* Will be powered off via pm_runtime_idle */
ret = imx258_power_on(&client->dev);
if (ret)
- return ret;
+ goto error_endpoint_poweron;
/* Check module identity */
ret = imx258_identify_module(imx258);
error_identify:
imx258_power_off(&client->dev);
+error_endpoint_poweron:
+ v4l2_fwnode_endpoint_free(&ep);
+
return ret;
}
MODULE_DEVICE_TABLE(acpi, imx258_acpi_ids);
#endif
-static const struct of_device_id imx258_dt_ids[] = {
- { .compatible = "sony,imx258" },
- { /* sentinel */ }
-};
MODULE_DEVICE_TABLE(of, imx258_dt_ids);
static struct i2c_driver imx258_i2c_driver = {
projects / platform / kernel / linux-rpi.git / blobdiff