[PATCH 6/7] media: i2c: st-vd55g: Remove legacy vd55g1 remnants

From: Peter Marshall

Date: Wed Sep 02 2026 - 16:51:40 EST

vd55g1 is superseded by the generic vd55g driver supporting the same
hardware and feature set. Remove it.

Signed-off-by: Peter Marshall <pm@xxxxxxxxxxxxxxxx>
---
drivers/media/i2c/Makefile | 1 -
drivers/media/i2c/vd55g1.c | 1767 ------------------------------------
2 files changed, 1768 deletions(-)
delete mode 100644 drivers/media/i2c/vd55g1.c

diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index d87b64893..b40b6020e 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -165,7 +165,6 @@ obj-$(CONFIG_VIDEO_UDA1342) += uda1342.o
obj-$(CONFIG_VIDEO_UPD64031A) += upd64031a.o
obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o
obj-$(CONFIG_VIDEO_VD55G) += vd55g.o
-obj-$(CONFIG_VIDEO_VD55G1) += vd55g1.o
obj-$(CONFIG_VIDEO_VD56G3) += vd56g3.o
obj-$(CONFIG_VIDEO_VGXY61) += vgxy61.o
obj-$(CONFIG_VIDEO_VP27SMPX) += vp27smpx.o
diff --git a/drivers/media/i2c/vd55g1.c b/drivers/media/i2c/vd55g1.c
deleted file mode 100644
index 1ae42e448..000000000
--- a/drivers/media/i2c/vd55g1.c
+++ /dev/null
@@ -1,1767 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Driver for VD55G1 global shutter sensor family driver
- *
- * Copyright (C) 2025 STMicroelectronics SA
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/gpio/consumer.h>
-#include <linux/i2c.h>
-#include <linux/iopoll.h>
-#include <linux/module.h>
-#include <linux/pm_runtime.h>
-#include <linux/property.h>
-#include <linux/regmap.h>
-#include <linux/regulator/consumer.h>
-#include <linux/unaligned.h>
-#include <linux/units.h>
-
-#include <media/mipi-csi2.h>
-#include <media/v4l2-async.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-subdev.h>
-
-/* Register Map */
-#define VD55G1_REG_MODEL_ID CCI_REG32_LE(0x0000)
-#define VD55G1_MODEL_ID_VD55G1 0x53354731 /* Mono */
-#define VD55G1_MODEL_ID_VD65G4 0x53354733 /* RGB */
-#define VD55G1_REG_REVISION CCI_REG16_LE(0x0004)
-#define VD55G1_REVISION_CCB 0x2020
-#define VD55G1_REVISION_BAYER 0x3030
-#define VD55G1_REG_FWPATCH_REVISION CCI_REG16_LE(0x0012)
-#define VD55G1_REG_FWPATCH_START_ADDR CCI_REG8(0x2000)
-#define VD55G1_REG_SYSTEM_FSM CCI_REG8(0x001c)
-#define VD55G1_SYSTEM_FSM_READY_TO_BOOT 0x01
-#define VD55G1_SYSTEM_FSM_SW_STBY 0x02
-#define VD55G1_SYSTEM_FSM_STREAMING 0x03
-#define VD55G1_REG_BOOT CCI_REG8(0x0200)
-#define VD55G1_BOOT_BOOT 1
-#define VD55G1_BOOT_PATCH_AND_BOOT 2
-#define VD55G1_REG_STBY CCI_REG8(0x0201)
-#define VD55G1_STBY_START_STREAM 1
-#define VD55G1_REG_STREAMING CCI_REG8(0x0202)
-#define VD55G1_STREAMING_STOP_STREAM 1
-#define VD55G1_REG_EXT_CLOCK CCI_REG32_LE(0x0220)
-#define VD55G1_REG_LINE_LENGTH CCI_REG16_LE(0x0300)
-#define VD55G1_REG_ORIENTATION CCI_REG8(0x0302)
-#define VD55G1_REG_FORMAT_CTRL CCI_REG8(0x030a)
-#define VD55G1_REG_OIF_CTRL CCI_REG16_LE(0x030c)
-#define VD55G1_REG_ISL_ENABLE CCI_REG16_LE(0x326)
-#define VD55G1_REG_OIF_IMG_CTRL CCI_REG8(0x030f)
-#define VD55G1_REG_MIPI_DATA_RATE CCI_REG32_LE(0x0224)
-#define VD55G1_REG_PATGEN_CTRL CCI_REG16_LE(0x0304)
-#define VD55G1_PATGEN_TYPE_SHIFT 4
-#define VD55G1_PATGEN_ENABLE BIT(0)
-#define VD55G1_REG_MANUAL_ANALOG_GAIN CCI_REG8(0x0501)
-#define VD55G1_REG_MANUAL_COARSE_EXPOSURE CCI_REG16_LE(0x0502)
-#define VD55G1_REG_MANUAL_DIGITAL_GAIN CCI_REG16_LE(0x0504)
-#define VD55G1_REG_APPLIED_COARSE_EXPOSURE CCI_REG16_LE(0x00e8)
-#define VD55G1_REG_APPLIED_ANALOG_GAIN CCI_REG16_LE(0x00ea)
-#define VD55G1_REG_APPLIED_DIGITAL_GAIN CCI_REG16_LE(0x00ec)
-#define VD55G1_REG_AE_FORCE_COLDSTART CCI_REG8(0x0308)
-#define VD55G1_REG_AE_COLDSTART_EXP_TIME CCI_REG32_LE(0x0374)
-#define VD55G1_REG_READOUT_CTRL CCI_REG8(0x052e)
-#define VD55G1_READOUT_CTRL_BIN_MODE_NORMAL 0
-#define VD55G1_READOUT_CTRL_BIN_MODE_DIGITAL_X2 1
-#define VD55G1_REG_DUSTER_CTRL CCI_REG8(0x03ae)
-#define VD55G1_DUSTER_ENABLE BIT(0)
-#define VD55G1_DUSTER_DISABLE 0
-#define VD55G1_DUSTER_DYN_ENABLE BIT(1)
-#define VD55G1_DUSTER_RING_ENABLE BIT(4)
-#define VD55G1_REG_AE_TARGET_PERCENTAGE CCI_REG8(0x0486)
-#define VD55G1_REG_NEXT_CTX CCI_REG16_LE(0x03e4)
-#define VD55G1_REG_EXPOSURE_USE_CASES CCI_REG8(0x0312)
-#define VD55G1_EXPOSURE_USE_CASES_MULTI_CONTEXT BIT(2)
-#define VD55G1_REG_EXPOSURE_MAX_COARSE CCI_REG16_LE(0x0372)
-#define VD55G1_EXPOSURE_MAX_COARSE_DEF 0x7fff
-#define VD55G1_EXPOSURE_MAX_COARSE_SUB 446
-#define VD55G1_REG_CTX_REPEAT_COUNT_CTX0 CCI_REG16_LE(0x03dc)
-#define VD55G1_REG_CTX_REPEAT_COUNT_CTX1 CCI_REG16_LE(0x03de)
-
-#define VD55G1_REG_EXP_MODE(ctx) \
- CCI_REG8(0x0500 + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_REG_FRAME_LENGTH(ctx) \
- CCI_REG32_LE(0x050c + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_REG_X_START(ctx) \
- CCI_REG16_LE(0x0514 + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_REG_X_WIDTH(ctx) \
- CCI_REG16_LE(0x0516 + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_REG_Y_START(ctx) \
- CCI_REG16_LE(0x0510 + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_REG_Y_HEIGHT(ctx) \
- CCI_REG16_LE(0x0512 + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_REG_GPIO_0_CTRL(ctx) \
- CCI_REG8(0x051d + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_GPIO_MODE_FSYNC_OUT 0x00
-#define VD55G1_GPIO_MODE_IN 0x01
-#define VD55G1_GPIO_MODE_STROBE 0x02
-#define VD55G1_REG_VT_MODE(ctx) \
- CCI_REG8(0x0536 + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_VT_MODE_NORMAL 0
-#define VD55G1_VT_MODE_SUBTRACTION 1
-#define VD55G1_REG_MASK_FRAME_CTRL(ctx) \
- CCI_REG8(0x0537 + VD55G1_CTX_OFFSET * (ctx))
-#define VD55G1_MASK_FRAME_CTRL_OUTPUT 0
-#define VD55G1_MASK_FRAME_CTRL_MASK 1
-#define VD55G1_REG_EXPOSURE_INSTANCE(ctx) \
- CCI_REG32_LE(0x52D + VD55G1_CTX_OFFSET * (ctx))
-
-#define VD55G1_WIDTH 804
-#define VD55G1_HEIGHT 704
-#define VD55G1_MODE_DEF 0
-#define VD55G1_NB_GPIOS 4
-#define VD55G1_MBUS_CODE_DEF 0
-#define VD55G1_DGAIN_DEF 256
-#define VD55G1_AGAIN_DEF 19
-#define VD55G1_EXPO_MAX_TERM 64
-#define VD55G1_EXPO_DEF 500
-#define VD55G1_LINE_LENGTH_MIN 1128
-#define VD55G1_LINE_LENGTH_SUB_MIN 1344
-#define VD55G1_VBLANK_MIN 86
-#define VD55G1_VBLANK_MAX 0xffff
-#define VD55G1_FRAME_LENGTH_DEF 1860 /* 60 fps */
-#define VD55G1_MIPI_MARGIN 900
-#define VD55G1_CTX_OFFSET 0x50
-#define VD55G1_FWPATCH_REVISION_MAJOR 2
-#define VD55G1_FWPATCH_REVISION_MINOR 9
-#define VD55G1_XCLK_FREQ_MIN (6 * HZ_PER_MHZ)
-#define VD55G1_XCLK_FREQ_MAX (27 * HZ_PER_MHZ)
-#define VD55G1_MIPI_RATE_MIN (250 * MEGA)
-#define VD55G1_MIPI_RATE_MAX (1200 * MEGA)
-
-#define VD55G1_MODEL_ID_NAME(id) \
- ((id) == VD55G1_MODEL_ID_VD55G1 ? "vd55g1" : "vd65g4")
-
-#include "vd55g-fw.h"
-
-static const char * const vd55g1_tp_menu[] = {
- "Disabled",
- "Diagonal Grey Scale",
- "Pseudo-random Noise",
-};
-
-static const s64 vd55g1_ev_bias_menu[] = {
- -3000, -2500, -2000, -1500, -1000, -500,
- 0,
- 500, 1000, 1500, 2000, 2500, 3000,
-};
-
-static const char * const vd55g1_hdr_menu[] = {
- "No HDR",
- /*
- * This mode acquires 2 frames on the sensor, the first one is ditched
- * out and only used for auto exposure data, the second one is output to
- * the host
- */
- "Internal subtraction",
-};
-
-static const char * const vd55g1_supply_name[] = {
- "vcore",
- "vddio",
- "vana",
-};
-
-enum vd55g1_hdr_mode {
- VD55G1_NO_HDR,
- VD55G1_HDR_SUB,
-};
-
-struct vd55g1_mode {
- u32 width;
- u32 height;
-};
-
-static const u32 vd55g1_mbus_formats_mono[] = {
- MEDIA_BUS_FMT_Y8_1X8,
- MEDIA_BUS_FMT_Y10_1X10,
-};
-
-/* Format order is : no flip, hflip, vflip, both */
-static const u32 vd55g1_mbus_formats_bayer[][4] = {
- {
- MEDIA_BUS_FMT_SRGGB8_1X8,
- MEDIA_BUS_FMT_SGRBG8_1X8,
- MEDIA_BUS_FMT_SGBRG8_1X8,
- MEDIA_BUS_FMT_SBGGR8_1X8,
- },
- {
- MEDIA_BUS_FMT_SRGGB10_1X10,
- MEDIA_BUS_FMT_SGRBG10_1X10,
- MEDIA_BUS_FMT_SGBRG10_1X10,
- MEDIA_BUS_FMT_SBGGR10_1X10,
- },
-};
-
-static const struct vd55g1_mode vd55g1_supported_modes[] = {
- {
- .width = VD55G1_WIDTH,
- .height = VD55G1_HEIGHT,
- },
- {
- .width = 800,
- .height = VD55G1_HEIGHT,
- },
- {
- .width = 800,
- .height = 600,
- },
- {
- .width = 640,
- .height = 480,
- },
- {
- .width = 320,
- .height = 240,
- },
-};
-
-enum vd55g1_expo_state {
- VD55G1_EXP_AUTO,
- VD55G1_EXP_FREEZE,
- VD55G1_EXP_MANUAL,
- VD55G1_EXP_SINGLE_STEP,
- VD55G1_EXP_BYPASS,
-};
-
-struct vd55g1_vblank_limits {
- u16 min;
- u16 def;
- u16 max;
-};
-
-struct vd55g1 {
- struct device *dev;
- unsigned int id;
- struct v4l2_subdev sd;
- struct media_pad pad;
- struct regulator_bulk_data supplies[ARRAY_SIZE(vd55g1_supply_name)];
- struct gpio_desc *reset_gpio;
- struct clk *xclk;
- struct regmap *regmap;
- u32 xclk_freq;
- u16 oif_ctrl;
- u8 gpios[VD55G1_NB_GPIOS];
- unsigned long ext_leds_mask;
- u32 mipi_rate;
- u32 pixel_clock;
- u64 link_freq;
- struct v4l2_ctrl_handler ctrl_handler;
- struct v4l2_ctrl *pixel_rate_ctrl;
- struct v4l2_ctrl *vblank_ctrl;
- struct v4l2_ctrl *hblank_ctrl;
- struct {
- struct v4l2_ctrl *hflip_ctrl;
- struct v4l2_ctrl *vflip_ctrl;
- };
- struct v4l2_ctrl *patgen_ctrl;
- struct {
- struct v4l2_ctrl *ae_ctrl;
- struct v4l2_ctrl *expo_ctrl;
- struct v4l2_ctrl *again_ctrl;
- struct v4l2_ctrl *dgain_ctrl;
- };
- struct v4l2_ctrl *ae_lock_ctrl;
- struct v4l2_ctrl *ae_bias_ctrl;
- struct v4l2_ctrl *led_ctrl;
- struct v4l2_ctrl *hdr_ctrl;
-};
-
-static inline struct vd55g1 *to_vd55g1(struct v4l2_subdev *sd)
-{
- return container_of_const(sd, struct vd55g1, sd);
-}
-
-static inline struct vd55g1 *ctrl_to_vd55g1(struct v4l2_ctrl *ctrl)
-{
- struct v4l2_subdev *sd = &container_of_const(ctrl->handler,
- struct vd55g1,
- ctrl_handler)->sd;
-
- return to_vd55g1(sd);
-}
-
-static unsigned int vd55g1_get_fmt_bpp(u32 code)
-{
- switch (code) {
- case MEDIA_BUS_FMT_Y8_1X8:
- case MEDIA_BUS_FMT_SRGGB8_1X8:
- case MEDIA_BUS_FMT_SGRBG8_1X8:
- case MEDIA_BUS_FMT_SGBRG8_1X8:
- case MEDIA_BUS_FMT_SBGGR8_1X8:
- default:
- return 8;
-
- case MEDIA_BUS_FMT_Y10_1X10:
- 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 10;
- }
-}
-
-static unsigned int vd55g1_get_fmt_data_type(u32 code)
-{
- switch (code) {
- case MEDIA_BUS_FMT_Y8_1X8:
- case MEDIA_BUS_FMT_SRGGB8_1X8:
- case MEDIA_BUS_FMT_SGRBG8_1X8:
- case MEDIA_BUS_FMT_SGBRG8_1X8:
- case MEDIA_BUS_FMT_SBGGR8_1X8:
- default:
- return MIPI_CSI2_DT_RAW8;
-
- case MEDIA_BUS_FMT_Y10_1X10:
- 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 MIPI_CSI2_DT_RAW10;
- }
-}
-
-static u32 vd55g1_get_fmt_code(struct vd55g1 *sensor, u32 code)
-{
- unsigned int i, j;
-
- if (sensor->id == VD55G1_MODEL_ID_VD55G1)
- return code;
-
- for (i = 0; i < ARRAY_SIZE(vd55g1_mbus_formats_bayer); i++) {
- for (j = 0; j < ARRAY_SIZE(vd55g1_mbus_formats_bayer[i]); j++) {
- if (vd55g1_mbus_formats_bayer[i][j] == code)
- goto adapt_bayer_pattern;
- }
- }
- dev_warn(sensor->dev, "Unsupported mbus format\n");
-
- return code;
-
-adapt_bayer_pattern:
- j = 0;
- /* In first init_state() call, controls might not be initialized yet */
- if (sensor->hflip_ctrl && sensor->vflip_ctrl) {
- j = (sensor->hflip_ctrl->val ? 1 : 0) +
- (sensor->vflip_ctrl->val ? 2 : 0);
- }
-
- return vd55g1_mbus_formats_bayer[i][j];
-}
-
-static s32 vd55g1_get_pixel_rate(struct vd55g1 *sensor,
- struct v4l2_mbus_framefmt *format)
-{
- return sensor->mipi_rate / vd55g1_get_fmt_bpp(format->code);
-}
-
-static unsigned int vd55g1_get_hblank_min(struct vd55g1 *sensor,
- struct v4l2_mbus_framefmt *format,
- struct v4l2_rect *crop)
-{
- u32 mipi_req_line_time;
- u32 mipi_req_line_length;
- u32 min_line_length;
-
- /* MIPI required time */
- mipi_req_line_time = (crop->width *
- vd55g1_get_fmt_bpp(format->code) +
- VD55G1_MIPI_MARGIN) /
- (sensor->mipi_rate / MEGA);
- mipi_req_line_length = mipi_req_line_time * sensor->pixel_clock /
- HZ_PER_MHZ;
-
- /* Absolute time required for ADCs to convert pixels */
- min_line_length = VD55G1_LINE_LENGTH_MIN;
- if (sensor->hdr_ctrl->val == VD55G1_HDR_SUB)
- min_line_length = VD55G1_LINE_LENGTH_SUB_MIN;
-
- /* Respect both constraint */
- min_line_length = max(min_line_length, mipi_req_line_length);
-
- return min_line_length - crop->width;
-}
-
-static void vd55g1_get_vblank_limits(struct vd55g1 *sensor,
- struct v4l2_rect *crop,
- struct vd55g1_vblank_limits *limits)
-{
- limits->min = VD55G1_VBLANK_MIN;
- limits->def = VD55G1_FRAME_LENGTH_DEF - crop->height;
- limits->max = VD55G1_VBLANK_MAX - crop->height;
-}
-
-#define vd55g1_read(sensor, reg, val, err) \
- cci_read((sensor)->regmap, reg, val, err)
-
-#define vd55g1_write(sensor, reg, val, err) \
- cci_write((sensor)->regmap, reg, val, err)
-
-static int vd55g1_write_array(struct vd55g1 *sensor, u32 reg, unsigned int len,
- const u8 *array, int *err)
-{
- unsigned int chunk_sz = 1024;
- unsigned int sz;
- int ret = 0;
-
- if (err && *err)
- return *err;
-
- /*
- * This loop isn't necessary but in certains conditions (platforms, cpu
- * load, etc.) it has been observed that the bulk write could timeout.
- */
- while (len) {
- sz = min(len, chunk_sz);
- ret = regmap_bulk_write(sensor->regmap, reg, array, sz);
- if (ret < 0)
- goto out;
- len -= sz;
- reg += sz;
- array += sz;
- }
-
-out:
- if (ret && err)
- *err = ret;
-
- return ret;
-}
-
-static int vd55g1_poll_reg(struct vd55g1 *sensor, u32 reg, u8 poll_val,
- int *err)
-{
- unsigned int val = 0;
- int ret;
-
- if (err && *err)
- return *err;
-
- ret = regmap_read_poll_timeout(sensor->regmap, CCI_REG_ADDR(reg), val,
- (val == poll_val), 2000,
- 500 * USEC_PER_MSEC);
-
- if (ret && err)
- *err = ret;
-
- return ret;
-}
-
-static int vd55g1_wait_state(struct vd55g1 *sensor, int state, int *err)
-{
- return vd55g1_poll_reg(sensor, VD55G1_REG_SYSTEM_FSM, state, err);
-}
-
-static int vd55g1_prepare_clock_tree(struct vd55g1 *sensor)
-{
- u32 sys_clk, mipi_div, pixel_div;
-
- if (sensor->xclk_freq < VD55G1_XCLK_FREQ_MIN ||
- sensor->xclk_freq > VD55G1_XCLK_FREQ_MAX) {
- dev_err(sensor->dev,
- "Only %luMhz-%luMhz clock range supported. Provided %lu MHz\n",
- VD55G1_XCLK_FREQ_MIN / HZ_PER_MHZ,
- VD55G1_XCLK_FREQ_MAX / HZ_PER_MHZ,
- sensor->xclk_freq / HZ_PER_MHZ);
- return -EINVAL;
- }
-
- /* MIPI bus is double data rate */
- sensor->mipi_rate = sensor->link_freq * 2;
-
- if (sensor->mipi_rate < VD55G1_MIPI_RATE_MIN ||
- sensor->mipi_rate > VD55G1_MIPI_RATE_MAX) {
- dev_err(sensor->dev,
- "Only %luMbps-%luMbps data rate range supported. Provided %lu Mbps\n",
- VD55G1_MIPI_RATE_MIN / MEGA,
- VD55G1_MIPI_RATE_MAX / MEGA,
- sensor->mipi_rate / MEGA);
- return -EINVAL;
- }
-
- if (sensor->mipi_rate <= 300 * MEGA)
- mipi_div = 4;
- else if (sensor->mipi_rate <= 600 * MEGA)
- mipi_div = 2;
- else
- mipi_div = 1;
-
- sys_clk = sensor->mipi_rate * mipi_div;
-
- if (sys_clk <= 780 * HZ_PER_MHZ)
- pixel_div = 5;
- else if (sys_clk <= 900 * HZ_PER_MHZ)
- pixel_div = 6;
- else
- pixel_div = 8;
-
- sensor->pixel_clock = sys_clk / pixel_div;
-
- return 0;
-}
-
-static int vd55g1_update_patgen(struct vd55g1 *sensor, u32 patgen_index)
-{
- static const u8 index2val[] = {
- 0x0, 0x22, 0x28
- };
- u32 pattern = index2val[patgen_index];
- u32 reg = pattern << VD55G1_PATGEN_TYPE_SHIFT;
- u8 duster = VD55G1_DUSTER_RING_ENABLE | VD55G1_DUSTER_DYN_ENABLE |
- VD55G1_DUSTER_ENABLE;
- int ret = 0;
-
- BUILD_BUG_ON(ARRAY_SIZE(index2val) != ARRAY_SIZE(vd55g1_tp_menu));
-
- if (pattern != 0) {
- reg |= VD55G1_PATGEN_ENABLE;
- /* Take care of duster to not mess up the test pattern output */
- duster = VD55G1_DUSTER_DISABLE;
- }
-
- vd55g1_write(sensor, VD55G1_REG_DUSTER_CTRL, duster, &ret);
- vd55g1_write(sensor, VD55G1_REG_PATGEN_CTRL, reg, &ret);
-
- return ret;
-}
-
-static int vd55g1_update_expo_cluster(struct vd55g1 *sensor, bool is_auto)
-{
- enum vd55g1_expo_state expo_state = is_auto ? VD55G1_EXP_AUTO :
- VD55G1_EXP_MANUAL;
- int ret = 0;
-
- if (sensor->ae_ctrl->is_new)
- vd55g1_write(sensor, VD55G1_REG_EXP_MODE(0), expo_state, &ret);
-
- if (sensor->hdr_ctrl->val == VD55G1_HDR_SUB &&
- sensor->hdr_ctrl->is_new) {
- vd55g1_write(sensor, VD55G1_REG_EXP_MODE(1), VD55G1_EXP_BYPASS,
- &ret);
- if (ret)
- return ret;
- }
-
- if (!is_auto && sensor->expo_ctrl->is_new)
- vd55g1_write(sensor, VD55G1_REG_MANUAL_COARSE_EXPOSURE,
- sensor->expo_ctrl->val, &ret);
-
- if (!is_auto && sensor->again_ctrl->is_new)
- vd55g1_write(sensor, VD55G1_REG_MANUAL_ANALOG_GAIN,
- sensor->again_ctrl->val, &ret);
-
- if (!is_auto && sensor->dgain_ctrl->is_new)
- vd55g1_write(sensor, VD55G1_REG_MANUAL_DIGITAL_GAIN,
- sensor->dgain_ctrl->val, &ret);
-
- return ret;
-}
-
-static int vd55g1_lock_exposure(struct vd55g1 *sensor, u32 lock_val)
-{
- bool ae_lock = lock_val & V4L2_LOCK_EXPOSURE;
- enum vd55g1_expo_state expo_state = ae_lock ? VD55G1_EXP_FREEZE :
- VD55G1_EXP_AUTO;
- int ret = 0;
-
- if (sensor->ae_ctrl->val == V4L2_EXPOSURE_AUTO)
- vd55g1_write(sensor, VD55G1_REG_EXP_MODE(0), expo_state, &ret);
-
- return ret;
-}
-
-static int vd55g1_read_expo_cluster(struct vd55g1 *sensor)
-{
- u64 exposure = 0;
- u64 again = 0;
- u64 dgain = 0;
- int ret = 0;
-
- vd55g1_read(sensor, VD55G1_REG_APPLIED_COARSE_EXPOSURE, &exposure,
- &ret);
- vd55g1_read(sensor, VD55G1_REG_APPLIED_ANALOG_GAIN, &again, &ret);
- vd55g1_read(sensor, VD55G1_REG_APPLIED_DIGITAL_GAIN, &dgain, &ret);
- if (ret)
- return ret;
-
- sensor->expo_ctrl->cur.val = exposure;
- sensor->again_ctrl->cur.val = again;
- sensor->dgain_ctrl->cur.val = dgain;
-
- return 0;
-}
-
-static int vd55g1_update_frame_length(struct vd55g1 *sensor,
- unsigned int frame_length)
-{
- int ret = 0;
-
- if (sensor->hdr_ctrl->val == VD55G1_HDR_SUB)
- vd55g1_write(sensor, VD55G1_REG_FRAME_LENGTH(1), frame_length,
- &ret);
- vd55g1_write(sensor, VD55G1_REG_FRAME_LENGTH(0), frame_length, &ret);
-
- return ret;
-}
-
-static int vd55g1_update_exposure_target(struct vd55g1 *sensor, int index)
-{
- /*
- * Find auto exposure target with: default target exposure * 2^EV
- * Defaut target exposure being 27 for the sensor.
- */
- static const unsigned int index2exposure_target[] = {
- 3, 5, 7, 10, 14, 19, 27, 38, 54, 76, 108, 153, 216,
- };
- int exposure_target = index2exposure_target[index];
-
- return vd55g1_write(sensor, VD55G1_REG_AE_TARGET_PERCENTAGE,
- exposure_target, NULL);
-}
-
-static int vd55g1_apply_cold_start(struct vd55g1 *sensor,
- struct v4l2_rect *crop)
-{
- /*
- * Cold start register is a single register expressed as exposure time
- * in us. This differ from status registers being a combination of
- * exposure, digital gain, and analog gain, requiring the following
- * format conversion.
- */
- unsigned int line_length = crop->width + sensor->hblank_ctrl->val;
- unsigned int line_time_us = DIV_ROUND_UP(line_length * MEGA,
- sensor->pixel_clock);
- u8 d_gain = DIV_ROUND_CLOSEST(sensor->dgain_ctrl->val, 1 << 8);
- u8 a_gain = DIV_ROUND_CLOSEST(32, (32 - sensor->again_ctrl->val));
- unsigned int expo_us = sensor->expo_ctrl->val * d_gain * a_gain *
- line_time_us;
- int ret = 0;
-
- vd55g1_write(sensor, VD55G1_REG_AE_FORCE_COLDSTART, 1, &ret);
- vd55g1_write(sensor, VD55G1_REG_AE_COLDSTART_EXP_TIME, expo_us, &ret);
-
- return ret;
-}
-
-static void vd55g1_update_pad_fmt(struct vd55g1 *sensor,
- const struct vd55g1_mode *mode, u32 code,
- struct v4l2_mbus_framefmt *fmt)
-{
- fmt->code = vd55g1_get_fmt_code(sensor, code);
- fmt->width = mode->width;
- fmt->height = mode->height;
- fmt->colorspace = V4L2_COLORSPACE_RAW;
- fmt->field = V4L2_FIELD_NONE;
- fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
- fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
- fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
-}
-
-static int vd55g1_update_hdr_mode(struct vd55g1 *sensor)
-{
- int ret = 0;
-
- switch (sensor->hdr_ctrl->val) {
- case VD55G1_NO_HDR:
- vd55g1_write(sensor, VD55G1_REG_EXPOSURE_MAX_COARSE,
- VD55G1_EXPOSURE_MAX_COARSE_DEF, &ret);
- vd55g1_write(sensor, VD55G1_REG_EXPOSURE_USE_CASES, 0, &ret);
- vd55g1_write(sensor, VD55G1_REG_NEXT_CTX, 0x0, &ret);
-
- vd55g1_write(sensor, VD55G1_REG_CTX_REPEAT_COUNT_CTX0, 0, &ret);
-
- vd55g1_write(sensor, VD55G1_REG_VT_MODE(0),
- VD55G1_VT_MODE_NORMAL, &ret);
- vd55g1_write(sensor, VD55G1_REG_MASK_FRAME_CTRL(0),
- VD55G1_MASK_FRAME_CTRL_OUTPUT, &ret);
- break;
- case VD55G1_HDR_SUB:
- vd55g1_write(sensor, VD55G1_REG_EXPOSURE_MAX_COARSE,
- VD55G1_EXPOSURE_MAX_COARSE_SUB, &ret);
- vd55g1_write(sensor, VD55G1_REG_EXPOSURE_USE_CASES,
- VD55G1_EXPOSURE_USE_CASES_MULTI_CONTEXT, &ret);
- vd55g1_write(sensor, VD55G1_REG_NEXT_CTX, 0x0001, &ret);
-
- vd55g1_write(sensor, VD55G1_REG_CTX_REPEAT_COUNT_CTX0, 1, &ret);
- vd55g1_write(sensor, VD55G1_REG_CTX_REPEAT_COUNT_CTX1, 1, &ret);
-
- vd55g1_write(sensor, VD55G1_REG_VT_MODE(0),
- VD55G1_VT_MODE_NORMAL, &ret);
- vd55g1_write(sensor, VD55G1_REG_MASK_FRAME_CTRL(0),
- VD55G1_MASK_FRAME_CTRL_MASK, &ret);
- vd55g1_write(sensor, VD55G1_REG_EXPOSURE_INSTANCE(0), 0, &ret);
- vd55g1_write(sensor, VD55G1_REG_VT_MODE(1),
- VD55G1_VT_MODE_SUBTRACTION, &ret);
- vd55g1_write(sensor, VD55G1_REG_MASK_FRAME_CTRL(1),
- VD55G1_MASK_FRAME_CTRL_OUTPUT, &ret);
- vd55g1_write(sensor, VD55G1_REG_EXPOSURE_INSTANCE(1), 1, &ret);
- break;
- default:
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int vd55g1_set_framefmt(struct vd55g1 *sensor,
- struct v4l2_mbus_framefmt *format,
- struct v4l2_rect *crop)
-{
- u8 binning;
- int ret = 0;
-
- vd55g1_write(sensor, VD55G1_REG_FORMAT_CTRL,
- vd55g1_get_fmt_bpp(format->code), &ret);
- vd55g1_write(sensor, VD55G1_REG_OIF_IMG_CTRL,
- vd55g1_get_fmt_data_type(format->code), &ret);
-
- switch (crop->width / format->width) {
- case 1:
- default:
- binning = VD55G1_READOUT_CTRL_BIN_MODE_NORMAL;
- break;
- case 2:
- binning = VD55G1_READOUT_CTRL_BIN_MODE_DIGITAL_X2;
- break;
- }
- vd55g1_write(sensor, VD55G1_REG_READOUT_CTRL, binning, &ret);
-
- vd55g1_write(sensor, VD55G1_REG_X_START(0), crop->left, &ret);
- vd55g1_write(sensor, VD55G1_REG_X_WIDTH(0), crop->width, &ret);
- vd55g1_write(sensor, VD55G1_REG_Y_START(0), crop->top, &ret);
- vd55g1_write(sensor, VD55G1_REG_Y_HEIGHT(0), crop->height, &ret);
-
- vd55g1_write(sensor, VD55G1_REG_X_START(1), crop->left, &ret);
- vd55g1_write(sensor, VD55G1_REG_X_WIDTH(1), crop->width, &ret);
- vd55g1_write(sensor, VD55G1_REG_Y_START(1), crop->top, &ret);
- vd55g1_write(sensor, VD55G1_REG_Y_HEIGHT(1), crop->height, &ret);
-
- return ret;
-}
-
-static int vd55g1_update_gpios(struct vd55g1 *sensor, unsigned long gpio_mask)
-{
- unsigned long io;
- u8 gpio_val;
- int ret = 0;
-
- for_each_set_bit(io, &gpio_mask, VD55G1_NB_GPIOS) {
- gpio_val = sensor->gpios[io];
-
- if (gpio_val == VD55G1_GPIO_MODE_STROBE &&
- sensor->led_ctrl->val == V4L2_FLASH_LED_MODE_NONE) {
- gpio_val = VD55G1_GPIO_MODE_IN;
- if (sensor->hdr_ctrl->val == VD55G1_HDR_SUB) {
- /* Make its context 1 counterpart strobe too */
- vd55g1_write(sensor,
- VD55G1_REG_GPIO_0_CTRL(1) + io,
- gpio_val, &ret);
- }
- }
-
- ret = vd55g1_write(sensor, VD55G1_REG_GPIO_0_CTRL(0) + io,
- gpio_val, &ret);
- }
-
- return ret;
-}
-
-static int vd55g1_ro_ctrls_setup(struct vd55g1 *sensor, struct v4l2_rect *crop)
-{
- return vd55g1_write(sensor, VD55G1_REG_LINE_LENGTH,
- crop->width + sensor->hblank_ctrl->val, NULL);
-}
-
-static void vd55g1_grab_ctrls(struct vd55g1 *sensor, bool enable)
-{
- /* These settings cannot change during stream */
- v4l2_ctrl_grab(sensor->hflip_ctrl, enable);
- v4l2_ctrl_grab(sensor->vflip_ctrl, enable);
- v4l2_ctrl_grab(sensor->patgen_ctrl, enable);
- v4l2_ctrl_grab(sensor->hdr_ctrl, enable);
-}
-
-static int vd55g1_enable_streams(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *state, u32 pad,
- u64 streams_mask)
-{
- struct vd55g1 *sensor = to_vd55g1(sd);
- struct v4l2_rect *crop =
- v4l2_subdev_state_get_crop(state, 0);
- struct v4l2_mbus_framefmt *format =
- v4l2_subdev_state_get_format(state, 0);
- int ret;
-
- ret = pm_runtime_resume_and_get(sensor->dev);
- if (ret < 0)
- return ret;
-
- /* Configure output */
- vd55g1_write(sensor, VD55G1_REG_MIPI_DATA_RATE,
- sensor->mipi_rate, &ret);
- vd55g1_write(sensor, VD55G1_REG_OIF_CTRL, sensor->oif_ctrl, &ret);
- vd55g1_write(sensor, VD55G1_REG_ISL_ENABLE, 0, &ret);
- if (ret)
- goto err_rpm_put;
-
- ret = vd55g1_set_framefmt(sensor, format, crop);
- if (ret)
- goto err_rpm_put;
-
- /* Setup default GPIO values; could be overridden by V4L2 ctrl setup */
- ret = vd55g1_update_gpios(sensor, GENMASK(VD55G1_NB_GPIOS - 1, 0));
- if (ret)
- goto err_rpm_put;
-
- ret = vd55g1_apply_cold_start(sensor, crop);
- if (ret)
- goto err_rpm_put;
-
- /* Apply settings from V4L2 ctrls */
- ret = __v4l2_ctrl_handler_setup(&sensor->ctrl_handler);
- if (ret)
- goto err_rpm_put;
-
- /* Also apply settings from read-only V4L2 ctrls */
- ret = vd55g1_ro_ctrls_setup(sensor, crop);
- if (ret)
- goto err_rpm_put;
-
- /* Start streaming */
- vd55g1_write(sensor, VD55G1_REG_STBY, VD55G1_STBY_START_STREAM, &ret);
- vd55g1_poll_reg(sensor, VD55G1_REG_STBY, 0, &ret);
- vd55g1_wait_state(sensor, VD55G1_SYSTEM_FSM_STREAMING, &ret);
- if (ret)
- goto err_rpm_put;
-
- vd55g1_grab_ctrls(sensor, true);
-
- return 0;
-
-err_rpm_put:
- pm_runtime_put(sensor->dev);
- return -EINVAL;
-}
-
-static int vd55g1_disable_streams(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *state, u32 pad,
- u64 streams_mask)
-{
- struct vd55g1 *sensor = to_vd55g1(sd);
- int ret = 0;
-
- /* Retrieve Expo cluster to enable coldstart of AE */
- ret = vd55g1_read_expo_cluster(sensor);
-
- vd55g1_write(sensor, VD55G1_REG_STREAMING, VD55G1_STREAMING_STOP_STREAM,
- &ret);
- vd55g1_poll_reg(sensor, VD55G1_REG_STREAMING, 0, &ret);
- vd55g1_wait_state(sensor, VD55G1_SYSTEM_FSM_SW_STBY, &ret);
-
- if (ret)
- dev_warn(sensor->dev, "Can't disable stream\n");
-
- vd55g1_grab_ctrls(sensor, false);
-
- pm_runtime_put_autosuspend(sensor->dev);
-
- return ret;
-}
-
-static int vd55g1_patch(struct vd55g1 *sensor)
-{
- u64 patch;
- int ret = 0;
-
- /* vd55g1 needs a patch while vd65g4 does not */
- if (sensor->id == VD55G1_MODEL_ID_VD55G1) {
- vd55g1_write_array(sensor, VD55G1_REG_FWPATCH_START_ADDR,
- sizeof(vd55g1_patch_array),
- vd55g1_patch_array, &ret);
- vd55g1_write(sensor, VD55G1_REG_BOOT,
- VD55G1_BOOT_PATCH_AND_BOOT, &ret);
- vd55g1_poll_reg(sensor, VD55G1_REG_BOOT, 0, &ret);
- if (ret) {
- dev_err(sensor->dev, "Failed to apply patch\n");
- return ret;
- }
-
- vd55g1_read(sensor, VD55G1_REG_FWPATCH_REVISION, &patch, &ret);
- if (patch != (VD55G1_FWPATCH_REVISION_MAJOR << 8) +
- VD55G1_FWPATCH_REVISION_MINOR) {
- dev_err(sensor->dev, "Bad patch version expected %d.%d got %d.%d\n",
- VD55G1_FWPATCH_REVISION_MAJOR,
- VD55G1_FWPATCH_REVISION_MINOR,
- (u8)(patch >> 8), (u8)(patch & 0xff));
- return -ENODEV;
- }
- dev_dbg(sensor->dev, "patch %d.%d applied\n",
- (u8)(patch >> 8), (u8)(patch & 0xff));
-
- } else {
- vd55g1_write(sensor, VD55G1_REG_BOOT, VD55G1_BOOT_BOOT, &ret);
- vd55g1_poll_reg(sensor, VD55G1_REG_BOOT, 0, &ret);
- if (ret) {
- dev_err(sensor->dev, "Failed to boot\n");
- return ret;
- }
- }
-
- ret = vd55g1_wait_state(sensor, VD55G1_SYSTEM_FSM_SW_STBY, NULL);
- if (ret) {
- dev_err(sensor->dev, "Sensor waiting after boot failed\n");
- return ret;
- }
-
- return 0;
-}
-
-static int vd55g1_get_selection(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *sd_state,
- struct v4l2_subdev_selection *sel)
-{
- const struct v4l2_rect *crop = v4l2_subdev_state_get_crop(sd_state, 0);
-
- switch (sel->target) {
- case V4L2_SEL_TGT_CROP:
- sel->r = *crop;
- return 0;
- case V4L2_SEL_TGT_NATIVE_SIZE:
- case V4L2_SEL_TGT_CROP_DEFAULT:
- case V4L2_SEL_TGT_CROP_BOUNDS:
- sel->r.top = 0;
- sel->r.left = 0;
- sel->r.width = VD55G1_WIDTH;
- sel->r.height = VD55G1_HEIGHT;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static int vd55g1_enum_mbus_code(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *sd_state,
- struct v4l2_subdev_mbus_code_enum *code)
-{
- struct vd55g1 *sensor = to_vd55g1(sd);
- u32 base_code;
-
- if (sensor->id == VD55G1_MODEL_ID_VD55G1) {
- if (code->index >= ARRAY_SIZE(vd55g1_mbus_formats_mono))
- return -EINVAL;
- base_code = vd55g1_mbus_formats_mono[code->index];
- } else {
- if (code->index >= ARRAY_SIZE(vd55g1_mbus_formats_bayer))
- return -EINVAL;
- base_code = vd55g1_mbus_formats_bayer[code->index][0];
- }
- code->code = vd55g1_get_fmt_code(sensor, base_code);
-
- return 0;
-}
-
-static int vd55g1_new_format_change_controls(struct vd55g1 *sensor,
- struct v4l2_mbus_framefmt *format,
- struct v4l2_rect *crop)
-{
- struct vd55g1_vblank_limits vblank;
- unsigned int hblank;
- unsigned int frame_length = 0;
- unsigned int expo_max;
- int ret;
-
- /* Reset vblank and frame length to default */
- vd55g1_get_vblank_limits(sensor, crop, &vblank);
- ret = __v4l2_ctrl_modify_range(sensor->vblank_ctrl, vblank.min,
- vblank.max, 1, vblank.def);
- if (ret)
- return ret;
-
- /* Max exposure changes with vblank */
- frame_length = crop->height + sensor->vblank_ctrl->val;
- expo_max = frame_length - VD55G1_EXPO_MAX_TERM;
- ret = __v4l2_ctrl_modify_range(sensor->expo_ctrl, 0, expo_max, 1,
- VD55G1_EXPO_DEF);
- if (ret)
- return ret;
-
- /* Update pixel rate to reflect new bpp */
- ret = __v4l2_ctrl_s_ctrl_int64(sensor->pixel_rate_ctrl,
- vd55g1_get_pixel_rate(sensor, format));
- if (ret)
- return ret;
-
- /* Update hblank according to new width */
- hblank = vd55g1_get_hblank_min(sensor, format, crop);
- ret = __v4l2_ctrl_modify_range(sensor->hblank_ctrl, hblank, hblank, 1,
- hblank);
-
- return ret;
-}
-
-static int vd55g1_set_pad_fmt(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *sd_state,
- struct v4l2_subdev_format *sd_fmt)
-{
- struct vd55g1 *sensor = to_vd55g1(sd);
- const struct vd55g1_mode *new_mode;
- struct v4l2_mbus_framefmt *format;
- struct v4l2_rect pad_crop;
- unsigned int binning;
-
- new_mode = v4l2_find_nearest_size(vd55g1_supported_modes,
- ARRAY_SIZE(vd55g1_supported_modes),
- width, height, sd_fmt->format.width,
- sd_fmt->format.height);
-
- vd55g1_update_pad_fmt(sensor, new_mode, sd_fmt->format.code,
- &sd_fmt->format);
-
- /*
- * Use binning to maximize the crop rectangle size, and centre it in the
- * sensor.
- */
- binning = min(VD55G1_WIDTH / sd_fmt->format.width,
- VD55G1_HEIGHT / sd_fmt->format.height);
- binning = min(binning, 2U);
- pad_crop.width = sd_fmt->format.width * binning;
- pad_crop.height = sd_fmt->format.height * binning;
- pad_crop.left = (VD55G1_WIDTH - pad_crop.width) / 2;
- pad_crop.top = (VD55G1_HEIGHT - pad_crop.height) / 2;
-
- format = v4l2_subdev_state_get_format(sd_state, sd_fmt->pad);
-
- *format = sd_fmt->format;
-
- *v4l2_subdev_state_get_crop(sd_state, sd_fmt->pad) = pad_crop;
- if (sd_fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE)
- return vd55g1_new_format_change_controls(sensor,
- &sd_fmt->format,
- &pad_crop);
-
- return 0;
-}
-
-static int vd55g1_init_state(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *sd_state)
-{
- struct vd55g1 *sensor = to_vd55g1(sd);
- struct v4l2_subdev_format fmt = { 0 };
- struct v4l2_subdev_route routes[] = {
- { .flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE }
- };
- struct v4l2_subdev_krouting routing = {
- .num_routes = ARRAY_SIZE(routes),
- .routes = routes,
- };
- int ret;
-
- /* Needed by v4l2_subdev_s_stream_helper(), even with 1 stream only */
- ret = v4l2_subdev_set_routing(sd, sd_state, &routing);
- if (ret)
- return ret;
-
- vd55g1_update_pad_fmt(sensor, &vd55g1_supported_modes[VD55G1_MODE_DEF],
- vd55g1_get_fmt_code(sensor, VD55G1_MBUS_CODE_DEF),
- &fmt.format);
-
- return vd55g1_set_pad_fmt(sd, sd_state, &fmt);
-}
-
-static int vd55g1_enum_frame_size(struct v4l2_subdev *sd,
- struct v4l2_subdev_state *sd_state,
- struct v4l2_subdev_frame_size_enum *fse)
-{
- struct vd55g1 *sensor = to_vd55g1(sd);
- u32 code;
-
- if (fse->index >= ARRAY_SIZE(vd55g1_supported_modes))
- return -EINVAL;
-
- code = vd55g1_get_fmt_code(sensor, fse->code);
- if (fse->code != code)
- return -EINVAL;
-
- fse->min_width = vd55g1_supported_modes[fse->index].width;
- fse->max_width = fse->min_width;
- fse->min_height = vd55g1_supported_modes[fse->index].height;
- fse->max_height = fse->min_height;
-
- return 0;
-}
-
-static const struct v4l2_subdev_internal_ops vd55g1_internal_ops = {
- .init_state = vd55g1_init_state,
-};
-
-static const struct v4l2_subdev_pad_ops vd55g1_pad_ops = {
- .enum_mbus_code = vd55g1_enum_mbus_code,
- .get_fmt = v4l2_subdev_get_fmt,
- .set_fmt = vd55g1_set_pad_fmt,
- .get_selection = vd55g1_get_selection,
- .enum_frame_size = vd55g1_enum_frame_size,
- .enable_streams = vd55g1_enable_streams,
- .disable_streams = vd55g1_disable_streams,
-};
-
-static const struct v4l2_subdev_video_ops vd55g1_video_ops = {
- .s_stream = v4l2_subdev_s_stream_helper,
-};
-
-static const struct v4l2_subdev_ops vd55g1_subdev_ops = {
- .video = &vd55g1_video_ops,
- .pad = &vd55g1_pad_ops,
-};
-
-static int vd55g1_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct vd55g1 *sensor = ctrl_to_vd55g1(ctrl);
- int ret = 0;
-
- /* Interact with HW only when it is powered ON */
- if (!pm_runtime_get_if_in_use(sensor->dev))
- return 0;
-
- switch (ctrl->id) {
- case V4L2_CID_EXPOSURE_AUTO:
- ret = vd55g1_read_expo_cluster(sensor);
- break;
- default:
- ret = -EINVAL;
- break;
- }
-
- pm_runtime_put_autosuspend(sensor->dev);
-
- return ret;
-}
-
-static int vd55g1_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct vd55g1 *sensor = ctrl_to_vd55g1(ctrl);
- unsigned int frame_length = 0;
- unsigned int expo_max;
- struct v4l2_subdev_state *state =
- v4l2_subdev_get_locked_active_state(&sensor->sd);
- struct v4l2_rect *crop =
- v4l2_subdev_state_get_crop(state, 0);
- struct v4l2_mbus_framefmt *format =
- v4l2_subdev_state_get_format(state, 0);
- unsigned int hblank = vd55g1_get_hblank_min(sensor, format, crop);
- bool is_auto = false;
- int ret = 0;
-
- if (ctrl->flags & V4L2_CTRL_FLAG_READ_ONLY)
- return 0;
-
- /* Update controls state, range, etc. whatever the state of the HW */
- switch (ctrl->id) {
- case V4L2_CID_VBLANK:
- frame_length = crop->height + ctrl->val;
- expo_max = frame_length - VD55G1_EXPO_MAX_TERM;
- ret = __v4l2_ctrl_modify_range(sensor->expo_ctrl, 0, expo_max,
- 1, VD55G1_EXPO_DEF);
- break;
- case V4L2_CID_EXPOSURE_AUTO:
- is_auto = (ctrl->val == V4L2_EXPOSURE_AUTO);
- __v4l2_ctrl_grab(sensor->ae_lock_ctrl, !is_auto);
- __v4l2_ctrl_grab(sensor->ae_bias_ctrl, !is_auto);
- break;
- case V4L2_CID_HDR_SENSOR_MODE:
- /* Discriminate if the userspace changed the control value */
- if (ctrl->val != ctrl->cur.val) {
- /* Max horizontal blanking changes with hdr mode */
- ret = __v4l2_ctrl_modify_range(sensor->hblank_ctrl,
- hblank, hblank, 1,
- hblank);
- }
- break;
- default:
- break;
- }
-
- /* Don't modify hardware if controls modification failed */
- if (ret)
- return ret;
-
- /* Interact with HW only when it is powered ON */
- if (!pm_runtime_get_if_in_use(sensor->dev))
- return 0;
-
- switch (ctrl->id) {
- case V4L2_CID_HFLIP:
- ret = vd55g1_write(sensor, VD55G1_REG_ORIENTATION,
- sensor->hflip_ctrl->val |
- (sensor->vflip_ctrl->val << 1),
- NULL);
- break;
- case V4L2_CID_TEST_PATTERN:
- ret = vd55g1_update_patgen(sensor, ctrl->val);
- break;
- case V4L2_CID_EXPOSURE_AUTO:
- ret = vd55g1_update_expo_cluster(sensor, is_auto);
- break;
- case V4L2_CID_3A_LOCK:
- ret = vd55g1_lock_exposure(sensor, ctrl->val);
- break;
- case V4L2_CID_AUTO_EXPOSURE_BIAS:
- /*
- * We use auto exposure target percentage register to control
- * exposure bias for more precision.
- */
- ret = vd55g1_update_exposure_target(sensor, ctrl->val);
- break;
- case V4L2_CID_VBLANK:
- ret = vd55g1_update_frame_length(sensor, frame_length);
- break;
- case V4L2_CID_FLASH_LED_MODE:
- ret = vd55g1_update_gpios(sensor, sensor->ext_leds_mask);
- break;
- case V4L2_CID_HDR_SENSOR_MODE:
- ret = vd55g1_update_hdr_mode(sensor);
- break;
- default:
- ret = -EINVAL;
- break;
- }
-
- pm_runtime_put_autosuspend(sensor->dev);
-
- return ret;
-}
-
-static const struct v4l2_ctrl_ops vd55g1_ctrl_ops = {
- .g_volatile_ctrl = vd55g1_g_volatile_ctrl,
- .s_ctrl = vd55g1_s_ctrl,
-};
-
-static int vd55g1_init_ctrls(struct vd55g1 *sensor)
-{
- const struct v4l2_ctrl_ops *ops = &vd55g1_ctrl_ops;
- struct v4l2_ctrl_handler *hdl = &sensor->ctrl_handler;
- struct v4l2_ctrl *ctrl;
- struct v4l2_fwnode_device_properties fwnode_props;
- struct vd55g1_vblank_limits vblank;
- unsigned int hblank;
- struct v4l2_subdev_state *state =
- v4l2_subdev_lock_and_get_active_state(&sensor->sd);
- struct v4l2_rect *crop =
- v4l2_subdev_state_get_crop(state, 0);
- struct v4l2_mbus_framefmt *format =
- v4l2_subdev_state_get_format(state, 0);
- s32 pixel_rate = vd55g1_get_pixel_rate(sensor, format);
- int ret;
-
- v4l2_ctrl_handler_init(hdl, 16);
-
- /* Flip cluster */
- sensor->hflip_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP,
- 0, 1, 1, 0);
- if (sensor->hflip_ctrl)
- sensor->hflip_ctrl->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
- sensor->vflip_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP,
- 0, 1, 1, 0);
- if (sensor->vflip_ctrl)
- sensor->vflip_ctrl->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT;
- v4l2_ctrl_cluster(2, &sensor->hflip_ctrl);
-
- /* Exposition cluster */
- sensor->ae_ctrl = v4l2_ctrl_new_std_menu(hdl, ops,
- V4L2_CID_EXPOSURE_AUTO, 1,
- ~0x3, V4L2_EXPOSURE_AUTO);
- sensor->again_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_ANALOGUE_GAIN,
- 0, 0x1c, 1, VD55G1_AGAIN_DEF);
- sensor->dgain_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_DIGITAL_GAIN,
- 256, 0xffff, 1,
- VD55G1_DGAIN_DEF);
- sensor->expo_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 0,
- VD55G1_FRAME_LENGTH_DEF -
- VD55G1_EXPO_MAX_TERM,
- 1, VD55G1_EXPO_DEF);
- v4l2_ctrl_auto_cluster(4, &sensor->ae_ctrl, V4L2_EXPOSURE_MANUAL, true);
-
- sensor->patgen_ctrl =
- v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN,
- ARRAY_SIZE(vd55g1_tp_menu) - 1, 0,
- 0, vd55g1_tp_menu);
- ctrl = v4l2_ctrl_new_int_menu(hdl, ops, V4L2_CID_LINK_FREQ,
- 0, 0, &sensor->link_freq);
- if (ctrl)
- ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
- sensor->pixel_rate_ctrl = v4l2_ctrl_new_std(hdl, ops,
- V4L2_CID_PIXEL_RATE, 1,
- INT_MAX, 1,
- pixel_rate);
- if (sensor->pixel_rate_ctrl)
- sensor->pixel_rate_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
- sensor->ae_lock_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_3A_LOCK,
- 0, 1, 0, 0);
- sensor->ae_bias_ctrl =
- v4l2_ctrl_new_int_menu(hdl, ops,
- V4L2_CID_AUTO_EXPOSURE_BIAS,
- ARRAY_SIZE(vd55g1_ev_bias_menu) - 1,
- ARRAY_SIZE(vd55g1_ev_bias_menu) / 2,
- vd55g1_ev_bias_menu);
- sensor->hdr_ctrl =
- v4l2_ctrl_new_std_menu_items(hdl, ops,
- V4L2_CID_HDR_SENSOR_MODE,
- ARRAY_SIZE(vd55g1_hdr_menu) - 1, 0,
- VD55G1_NO_HDR, vd55g1_hdr_menu);
- hblank = vd55g1_get_hblank_min(sensor, format, crop);
- sensor->hblank_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HBLANK,
- hblank, hblank, 1, hblank);
- if (sensor->hblank_ctrl)
- sensor->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
- vd55g1_get_vblank_limits(sensor, crop, &vblank);
- sensor->vblank_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VBLANK,
- vblank.min, vblank.max,
- 1, vblank.def);
-
- /* Additional controls based on device tree properties */
- if (sensor->ext_leds_mask) {
- sensor->led_ctrl =
- v4l2_ctrl_new_std_menu(hdl, ops,
- V4L2_CID_FLASH_LED_MODE,
- V4L2_FLASH_LED_MODE_FLASH, 0,
- V4L2_FLASH_LED_MODE_NONE);
- }
-
- ret = v4l2_fwnode_device_parse(sensor->dev, &fwnode_props);
- if (ret)
- goto free_ctrls;
-
- ret = v4l2_ctrl_new_fwnode_properties(hdl, ops, &fwnode_props);
- if (ret)
- goto free_ctrls;
-
- sensor->sd.ctrl_handler = hdl;
- goto unlock_state;
-
-free_ctrls:
- v4l2_ctrl_handler_free(hdl);
-unlock_state:
- v4l2_subdev_unlock_state(state);
- return ret;
-}
-
-static int vd55g1_detect(struct vd55g1 *sensor)
-{
- unsigned int dt_id = (uintptr_t)device_get_match_data(sensor->dev);
- u64 rev, id;
- int ret;
-
- ret = vd55g1_read(sensor, VD55G1_REG_MODEL_ID, &id, NULL);
- if (ret)
- return ret;
-
- if (id != VD55G1_MODEL_ID_VD55G1 && id != VD55G1_MODEL_ID_VD65G4) {
- dev_warn(sensor->dev, "Unsupported sensor id 0x%x\n",
- (u32)id);
- return -ENODEV;
- }
- if (id != dt_id) {
- dev_err(sensor->dev, "Probed sensor %s and device tree definition (%s) mismatch",
- VD55G1_MODEL_ID_NAME(id), VD55G1_MODEL_ID_NAME(dt_id));
- return -ENODEV;
- }
- sensor->id = id;
-
- ret = vd55g1_read(sensor, VD55G1_REG_REVISION, &rev, NULL);
- if (ret)
- return ret;
-
- if ((id == VD55G1_MODEL_ID_VD55G1 && rev != VD55G1_REVISION_CCB) &&
- (id == VD55G1_MODEL_ID_VD65G4 && rev != VD55G1_REVISION_BAYER)) {
- dev_err(sensor->dev, "Unsupported sensor revision 0x%x for sensor %s\n",
- (u16)rev, VD55G1_MODEL_ID_NAME(id));
- return -ENODEV;
- }
-
- return 0;
-}
-
-static int vd55g1_power_on(struct device *dev)
-{
- struct v4l2_subdev *sd = dev_get_drvdata(dev);
- struct vd55g1 *sensor = to_vd55g1(sd);
- int ret;
-
- ret = regulator_bulk_enable(ARRAY_SIZE(vd55g1_supply_name),
- sensor->supplies);
- if (ret) {
- dev_err(dev, "Failed to enable regulators %d\n", ret);
- return ret;
- }
-
- ret = clk_prepare_enable(sensor->xclk);
- if (ret) {
- dev_err(dev, "Failed to enable clock %d\n", ret);
- goto disable_bulk;
- }
-
- gpiod_set_value_cansleep(sensor->reset_gpio, 0);
- usleep_range(5000, 10000);
- ret = vd55g1_wait_state(sensor, VD55G1_SYSTEM_FSM_READY_TO_BOOT, NULL);
- if (ret) {
- dev_err(dev, "Sensor reset failed %d\n", ret);
- goto disable_clock;
- }
-
- ret = vd55g1_detect(sensor);
- if (ret) {
- dev_err(dev, "Sensor detect failed %d\n", ret);
- goto disable_clock;
- }
-
- /* Setup clock now to advance through system FSM states */
- vd55g1_write(sensor, VD55G1_REG_EXT_CLOCK, sensor->xclk_freq, &ret);
-
- ret = vd55g1_patch(sensor);
- if (ret) {
- dev_err(dev, "Sensor patch failed %d\n", ret);
- goto disable_clock;
- }
-
- return 0;
-
-disable_clock:
- gpiod_set_value_cansleep(sensor->reset_gpio, 1);
- clk_disable_unprepare(sensor->xclk);
-disable_bulk:
- regulator_bulk_disable(ARRAY_SIZE(vd55g1_supply_name),
- sensor->supplies);
-
- return ret;
-}
-
-static int vd55g1_power_off(struct device *dev)
-{
- struct v4l2_subdev *sd = dev_get_drvdata(dev);
- struct vd55g1 *sensor = to_vd55g1(sd);
-
- gpiod_set_value_cansleep(sensor->reset_gpio, 1);
- clk_disable_unprepare(sensor->xclk);
- regulator_bulk_disable(ARRAY_SIZE(sensor->supplies), sensor->supplies);
-
- return 0;
-}
-
-static int vd55g1_check_csi_conf(struct vd55g1 *sensor,
- struct fwnode_handle *endpoint)
-{
- struct v4l2_fwnode_endpoint ep = { .bus_type = V4L2_MBUS_CSI2_DPHY };
- u8 n_lanes;
- int ret;
-
- ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep);
- if (ret)
- return -EINVAL;
-
- /* Check lanes number */
- n_lanes = ep.bus.mipi_csi2.num_data_lanes;
- if (n_lanes != 1) {
- dev_err(sensor->dev, "Sensor only supports 1 lane, found %d\n",
- n_lanes);
- ret = -EINVAL;
- goto done;
- }
-
- /* Clock lane must be first */
- if (ep.bus.mipi_csi2.clock_lane != 0) {
- dev_err(sensor->dev, "Clock lane must be mapped to lane 0\n");
- ret = -EINVAL;
- goto done;
- }
-
- /* Handle polarities in sensor configuration */
- sensor->oif_ctrl = (ep.bus.mipi_csi2.lane_polarities[0] << 3) |
- (ep.bus.mipi_csi2.lane_polarities[1] << 6);
-
- /* Check the link frequency set in device tree */
- if (!ep.nr_of_link_frequencies) {
- dev_err(sensor->dev, "link-frequency property not found in DT\n");
- ret = -EINVAL;
- goto done;
- }
- if (ep.nr_of_link_frequencies != 1) {
- dev_err(sensor->dev, "Multiple link frequencies not supported\n");
- ret = -EINVAL;
- goto done;
- }
- sensor->link_freq = ep.link_frequencies[0];
-
-done:
- v4l2_fwnode_endpoint_free(&ep);
-
- return ret;
-}
-
-static int vd55g1_parse_dt_gpios_array(struct vd55g1 *sensor,
- char *prop_name, u32 *array, int *nb)
-{
- unsigned int i;
- int ret;
-
- *nb = device_property_count_u32(sensor->dev, prop_name);
- if (*nb == -EINVAL) {
- /* Property not found */
- *nb = 0;
- return 0;
- }
-
- ret = device_property_read_u32_array(sensor->dev,
- prop_name, array, *nb);
- if (ret) {
- dev_err(sensor->dev, "Failed to read %s prop\n", prop_name);
- return ret;
- }
- for (i = 0; i < *nb; i++) {
- if (array[i] >= VD55G1_NB_GPIOS) {
- dev_err(sensor->dev, "Invalid GPIO number %d\n",
- array[i]);
- return -EINVAL;
- }
- }
-
- return 0;
-}
-
-static int vd55g1_parse_dt_gpios(struct vd55g1 *sensor)
-{
- u32 led_gpios[VD55G1_NB_GPIOS];
- int nb_gpios_leds;
- unsigned int i;
- int ret;
-
- /* Initialize GPIOs to default */
- for (i = 0; i < VD55G1_NB_GPIOS; i++)
- sensor->gpios[i] = VD55G1_GPIO_MODE_IN;
- sensor->ext_leds_mask = 0;
-
- /* Take into account optional 'st,leds' output for GPIOs */
- ret = vd55g1_parse_dt_gpios_array(sensor, "st,leds", led_gpios,
- &nb_gpios_leds);
- if (ret)
- return ret;
-
- for (i = 0; i < nb_gpios_leds; i++) {
- sensor->gpios[led_gpios[i]] = VD55G1_GPIO_MODE_STROBE;
- set_bit(led_gpios[i], &sensor->ext_leds_mask);
- }
-
- return 0;
-}
-
-static int vd55g1_parse_dt(struct vd55g1 *sensor)
-{
- struct fwnode_handle *endpoint;
- int ret;
-
- endpoint = fwnode_graph_get_endpoint_by_id(dev_fwnode(sensor->dev),
- 0, 0, 0);
- if (!endpoint) {
- dev_err(sensor->dev, "Endpoint node not found\n");
- return -EINVAL;
- }
-
- ret = vd55g1_check_csi_conf(sensor, endpoint);
- fwnode_handle_put(endpoint);
- if (ret)
- return ret;
-
- return vd55g1_parse_dt_gpios(sensor);
-}
-
-static int vd55g1_subdev_init(struct vd55g1 *sensor)
-{
- int ret;
-
- /* Init sub device */
- sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
- sensor->sd.internal_ops = &vd55g1_internal_ops;
-
- /* Init source pad */
- sensor->pad.flags = MEDIA_PAD_FL_SOURCE;
- sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
- ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad);
- if (ret) {
- dev_err(sensor->dev, "Failed to init media entity: %d\n", ret);
- return ret;
- }
-
- sensor->sd.state_lock = sensor->ctrl_handler.lock;
- ret = v4l2_subdev_init_finalize(&sensor->sd);
- if (ret) {
- dev_err(sensor->dev, "Subdev init error: %d\n", ret);
- goto err_ctrls;
- }
-
- /*
- * Initialize controls after v4l2_subdev_init_finalize() to make sure
- * active state is set
- */
- ret = vd55g1_init_ctrls(sensor);
- if (ret) {
- dev_err(sensor->dev, "Controls initialization failed %d\n",
- ret);
- goto err_media;
- }
-
- return 0;
-
-err_ctrls:
- v4l2_ctrl_handler_free(sensor->sd.ctrl_handler);
-
-err_media:
- media_entity_cleanup(&sensor->sd.entity);
- return ret;
-}
-
-static void vd55g1_subdev_cleanup(struct vd55g1 *sensor)
-{
- v4l2_async_unregister_subdev(&sensor->sd);
- v4l2_subdev_cleanup(&sensor->sd);
- media_entity_cleanup(&sensor->sd.entity);
- v4l2_ctrl_handler_free(sensor->sd.ctrl_handler);
-}
-
-static int vd55g1_get_regulators(struct vd55g1 *sensor)
-{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(vd55g1_supply_name); i++)
- sensor->supplies[i].supply = vd55g1_supply_name[i];
-
- return devm_regulator_bulk_get(sensor->dev,
- ARRAY_SIZE(vd55g1_supply_name),
- sensor->supplies);
-}
-
-static int vd55g1_probe(struct i2c_client *client)
-{
- struct device *dev = &client->dev;
- struct vd55g1 *sensor;
- int ret;
-
- sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
- if (!sensor)
- return -ENOMEM;
- sensor->dev = &client->dev;
-
- v4l2_i2c_subdev_init(&sensor->sd, client, &vd55g1_subdev_ops);
-
- ret = vd55g1_parse_dt(sensor);
- if (ret)
- return dev_err_probe(dev, ret, "Failed to parse Device Tree\n");
-
- /* Get (and check) resources : power regs, ext clock, reset gpio */
- ret = vd55g1_get_regulators(sensor);
- if (ret)
- return dev_err_probe(dev, ret, "Failed to get regulators\n");
-
- sensor->xclk = devm_v4l2_sensor_clk_get(dev, NULL);
- if (IS_ERR(sensor->xclk))
- return dev_err_probe(dev, PTR_ERR(sensor->xclk),
- "Failed to get xclk\n");
-
- sensor->xclk_freq = clk_get_rate(sensor->xclk);
- ret = vd55g1_prepare_clock_tree(sensor);
- if (ret)
- return ret;
-
- sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset",
- GPIOD_OUT_HIGH);
- if (IS_ERR(sensor->reset_gpio))
- return dev_err_probe(dev, PTR_ERR(sensor->reset_gpio),
- "Failed to get reset gpio\n");
-
- sensor->regmap = devm_cci_regmap_init_i2c(client, 16);
- if (IS_ERR(sensor->regmap))
- return dev_err_probe(dev, PTR_ERR(sensor->regmap),
- "Failed to init regmap\n");
-
- /* Detect if sensor is present and if its revision is supported */
- ret = vd55g1_power_on(dev);
- if (ret)
- return ret;
-
- /* Enable pm_runtime and power off the sensor */
- pm_runtime_set_active(dev);
- pm_runtime_get_noresume(dev);
- pm_runtime_enable(dev);
- pm_runtime_set_autosuspend_delay(dev, 4000);
- pm_runtime_use_autosuspend(dev);
- pm_runtime_put_autosuspend(dev);
-
- ret = vd55g1_subdev_init(sensor);
- if (ret) {
- dev_err(dev, "V4l2 init failed: %d\n", ret);
- goto err_power_off;
- }
-
- ret = v4l2_async_register_subdev(&sensor->sd);
- if (ret) {
- dev_err(dev, "async subdev register failed %d\n", ret);
- goto err_subdev;
- }
-
- return 0;
-
-err_subdev:
- vd55g1_subdev_cleanup(sensor);
-err_power_off:
- pm_runtime_disable(dev);
- pm_runtime_put_noidle(dev);
- pm_runtime_dont_use_autosuspend(dev);
- vd55g1_power_off(dev);
-
- return ret;
-}
-
-static void vd55g1_remove(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct vd55g1 *sensor = to_vd55g1(sd);
-
- vd55g1_subdev_cleanup(sensor);
-
- pm_runtime_disable(&client->dev);
- if (!pm_runtime_status_suspended(&client->dev))
- vd55g1_power_off(&client->dev);
- pm_runtime_set_suspended(&client->dev);
- pm_runtime_dont_use_autosuspend(&client->dev);
-}
-
-static const struct of_device_id vd55g1_dt_ids[] = {
- { .compatible = "st,vd55g1", .data = (void *)VD55G1_MODEL_ID_VD55G1 },
- { .compatible = "st,vd65g4", .data = (void *)VD55G1_MODEL_ID_VD65G4 },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, vd55g1_dt_ids);
-
-static const struct dev_pm_ops vd55g1_pm_ops = {
- SET_RUNTIME_PM_OPS(vd55g1_power_off, vd55g1_power_on, NULL)
-};
-
-static struct i2c_driver vd55g1_i2c_driver = {
- .driver = {
- .name = "vd55g1",
- .of_match_table = vd55g1_dt_ids,
- .pm = &vd55g1_pm_ops,
- },
- .probe = vd55g1_probe,
- .remove = vd55g1_remove,
-};
-
-module_i2c_driver(vd55g1_i2c_driver);
-
-MODULE_AUTHOR("Benjamin Mugnier <benjamin.mugnier@xxxxxxxxxxx>");
-MODULE_AUTHOR("Sylvain Petinot <sylvain.petinot@xxxxxxxxxxx>");
-MODULE_DESCRIPTION("VD55G1 camera subdev driver");
-MODULE_LICENSE("GPL");
--
2.55.0