| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Scott Jiang | 3660 | 95.34% | 1 | 5.88% |
| Hans Verkuil | 129 | 3.36% | 5 | 29.41% |
| Laurent Pinchart | 19 | 0.49% | 4 | 23.53% |
| Tomi Valkeinen | 9 | 0.23% | 1 | 5.88% |
| Boris Brezillon | 8 | 0.21% | 1 | 5.88% |
| Jia-Ju Bai | 5 | 0.13% | 1 | 5.88% |
| Axel Lin | 4 | 0.10% | 1 | 5.88% |
| Thomas Gleixner | 2 | 0.05% | 1 | 5.88% |
| Wei Yongjun | 2 | 0.05% | 1 | 5.88% |
| Julia Lawall | 1 | 0.03% | 1 | 5.88% |
| Total | 3839 | 17 |
// SPDX-License-Identifier: GPL-2.0-only /* * vs6624.c ST VS6624 CMOS image sensor driver * * Copyright (c) 2011 Analog Devices Inc. */ #include <linux/delay.h> #include <linux/errno.h> #include <linux/gpio.h> #include <linux/i2c.h> #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/types.h> #include <linux/videodev2.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-mediabus.h> #include <media/v4l2-image-sizes.h> #include "vs6624_regs.h" #define MAX_FRAME_RATE 30 struct vs6624 { struct v4l2_subdev sd; struct v4l2_ctrl_handler hdl; struct v4l2_fract frame_rate; struct v4l2_mbus_framefmt fmt; unsigned ce_pin; }; static const struct vs6624_format { u32 mbus_code; enum v4l2_colorspace colorspace; } vs6624_formats[] = { { .mbus_code = MEDIA_BUS_FMT_UYVY8_2X8, .colorspace = V4L2_COLORSPACE_JPEG, }, { .mbus_code = MEDIA_BUS_FMT_YUYV8_2X8, .colorspace = V4L2_COLORSPACE_JPEG, }, { .mbus_code = MEDIA_BUS_FMT_RGB565_2X8_LE, .colorspace = V4L2_COLORSPACE_SRGB, }, }; static const struct v4l2_mbus_framefmt vs6624_default_fmt = { .width = VGA_WIDTH, .height = VGA_HEIGHT, .code = MEDIA_BUS_FMT_UYVY8_2X8, .field = V4L2_FIELD_NONE, .colorspace = V4L2_COLORSPACE_JPEG, }; static const u16 vs6624_p1[] = { 0x8104, 0x03, 0x8105, 0x01, 0xc900, 0x03, 0xc904, 0x47, 0xc905, 0x10, 0xc906, 0x80, 0xc907, 0x3a, 0x903a, 0x02, 0x903b, 0x47, 0x903c, 0x15, 0xc908, 0x31, 0xc909, 0xdc, 0xc90a, 0x80, 0xc90b, 0x44, 0x9044, 0x02, 0x9045, 0x31, 0x9046, 0xe2, 0xc90c, 0x07, 0xc90d, 0xe0, 0xc90e, 0x80, 0xc90f, 0x47, 0x9047, 0x90, 0x9048, 0x83, 0x9049, 0x81, 0x904a, 0xe0, 0x904b, 0x60, 0x904c, 0x08, 0x904d, 0x90, 0x904e, 0xc0, 0x904f, 0x43, 0x9050, 0x74, 0x9051, 0x01, 0x9052, 0xf0, 0x9053, 0x80, 0x9054, 0x05, 0x9055, 0xE4, 0x9056, 0x90, 0x9057, 0xc0, 0x9058, 0x43, 0x9059, 0xf0, 0x905a, 0x02, 0x905b, 0x07, 0x905c, 0xec, 0xc910, 0x5d, 0xc911, 0xca, 0xc912, 0x80, 0xc913, 0x5d, 0x905d, 0xa3, 0x905e, 0x04, 0x905f, 0xf0, 0x9060, 0xa3, 0x9061, 0x04, 0x9062, 0xf0, 0x9063, 0x22, 0xc914, 0x72, 0xc915, 0x92, 0xc916, 0x80, 0xc917, 0x64, 0x9064, 0x74, 0x9065, 0x01, 0x9066, 0x02, 0x9067, 0x72, 0x9068, 0x95, 0xc918, 0x47, 0xc919, 0xf2, 0xc91a, 0x81, 0xc91b, 0x69, 0x9169, 0x74, 0x916a, 0x02, 0x916b, 0xf0, 0x916c, 0xec, 0x916d, 0xb4, 0x916e, 0x10, 0x916f, 0x0a, 0x9170, 0x90, 0x9171, 0x80, 0x9172, 0x16, 0x9173, 0xe0, 0x9174, 0x70, 0x9175, 0x04, 0x9176, 0x90, 0x9177, 0xd3, 0x9178, 0xc4, 0x9179, 0xf0, 0x917a, 0x22, 0xc91c, 0x0a, 0xc91d, 0xbe, 0xc91e, 0x80, 0xc91f, 0x73, 0x9073, 0xfc, 0x9074, 0xa3, 0x9075, 0xe0, 0x9076, 0xf5, 0x9077, 0x82, 0x9078, 0x8c, 0x9079, 0x83, 0x907a, 0xa3, 0x907b, 0xa3, 0x907c, 0xe0, 0x907d, 0xfc, 0x907e, 0xa3, 0x907f, 0xe0, 0x9080, 0xc3, 0x9081, 0x9f, 0x9082, 0xff, 0x9083, 0xec, 0x9084, 0x9e, 0x9085, 0xfe, 0x9086, 0x02, 0x9087, 0x0a, 0x9088, 0xea, 0xc920, 0x47, 0xc921, 0x38, 0xc922, 0x80, 0xc923, 0x89, 0x9089, 0xec, 0x908a, 0xd3, 0x908b, 0x94, 0x908c, 0x20, 0x908d, 0x40, 0x908e, 0x01, 0x908f, 0x1c, 0x9090, 0x90, 0x9091, 0xd3, 0x9092, 0xd4, 0x9093, 0xec, 0x9094, 0xf0, 0x9095, 0x02, 0x9096, 0x47, 0x9097, 0x3d, 0xc924, 0x45, 0xc925, 0xca, 0xc926, 0x80, 0xc927, 0x98, 0x9098, 0x12, 0x9099, 0x77, 0x909a, 0xd6, 0x909b, 0x02, 0x909c, 0x45, 0x909d, 0xcd, 0xc928, 0x20, 0xc929, 0xd5, 0xc92a, 0x80, 0xc92b, 0x9e, 0x909e, 0x90, 0x909f, 0x82, 0x90a0, 0x18, 0x90a1, 0xe0, 0x90a2, 0xb4, 0x90a3, 0x03, 0x90a4, 0x0e, 0x90a5, 0x90, 0x90a6, 0x83, 0x90a7, 0xbf, 0x90a8, 0xe0, 0x90a9, 0x60, 0x90aa, 0x08, 0x90ab, 0x90, 0x90ac, 0x81, 0x90ad, 0xfc, 0x90ae, 0xe0, 0x90af, 0xff, 0x90b0, 0xc3, 0x90b1, 0x13, 0x90b2, 0xf0, 0x90b3, 0x90, 0x90b4, 0x81, 0x90b5, 0xfc, 0x90b6, 0xe0, 0x90b7, 0xff, 0x90b8, 0x02, 0x90b9, 0x20, 0x90ba, 0xda, 0xc92c, 0x70, 0xc92d, 0xbc, 0xc92e, 0x80, 0xc92f, 0xbb, 0x90bb, 0x90, 0x90bc, 0x82, 0x90bd, 0x18, 0x90be, 0xe0, 0x90bf, 0xb4, 0x90c0, 0x03, 0x90c1, 0x06, 0x90c2, 0x90, 0x90c3, 0xc1, 0x90c4, 0x06, 0x90c5, 0x74, 0x90c6, 0x05, 0x90c7, 0xf0, 0x90c8, 0x90, 0x90c9, 0xd3, 0x90ca, 0xa0, 0x90cb, 0x02, 0x90cc, 0x70, 0x90cd, 0xbf, 0xc930, 0x72, 0xc931, 0x21, 0xc932, 0x81, 0xc933, 0x3b, 0x913b, 0x7d, 0x913c, 0x02, 0x913d, 0x7f, 0x913e, 0x7b, 0x913f, 0x02, 0x9140, 0x72, 0x9141, 0x25, 0xc934, 0x28, 0xc935, 0xae, 0xc936, 0x80, 0xc937, 0xd2, 0x90d2, 0xf0, 0x90d3, 0x90, 0x90d4, 0xd2, 0x90d5, 0x0a, 0x90d6, 0x02, 0x90d7, 0x28, 0x90d8, 0xb4, 0xc938, 0x28, 0xc939, 0xb1, 0xc93a, 0x80, 0xc93b, 0xd9, 0x90d9, 0x90, 0x90da, 0x83, 0x90db, 0xba, 0x90dc, 0xe0, 0x90dd, 0xff, 0x90de, 0x90, 0x90df, 0xd2, 0x90e0, 0x08, 0x90e1, 0xe0, 0x90e2, 0xe4, 0x90e3, 0xef, 0x90e4, 0xf0, 0x90e5, 0xa3, 0x90e6, 0xe0, 0x90e7, 0x74, 0x90e8, 0xff, 0x90e9, 0xf0, 0x90ea, 0x90, 0x90eb, 0xd2, 0x90ec, 0x0a, 0x90ed, 0x02, 0x90ee, 0x28, 0x90ef, 0xb4, 0xc93c, 0x29, 0xc93d, 0x79, 0xc93e, 0x80, 0xc93f, 0xf0, 0x90f0, 0xf0, 0x90f1, 0x90, 0x90f2, 0xd2, 0x90f3, 0x0e, 0x90f4, 0x02, 0x90f5, 0x29, 0x90f6, 0x7f, 0xc940, 0x29, 0xc941, 0x7c, 0xc942, 0x80, 0xc943, 0xf7, 0x90f7, 0x90, 0x90f8, 0x83, 0x90f9, 0xba, 0x90fa, 0xe0, 0x90fb, 0xff, 0x90fc, 0x90, 0x90fd, 0xd2, 0x90fe, 0x0c, 0x90ff, 0xe0, 0x9100, 0xe4, 0x9101, 0xef, 0x9102, 0xf0, 0x9103, 0xa3, 0x9104, 0xe0, 0x9105, 0x74, 0x9106, 0xff, 0x9107, 0xf0, 0x9108, 0x90, 0x9109, 0xd2, 0x910a, 0x0e, 0x910b, 0x02, 0x910c, 0x29, 0x910d, 0x7f, 0xc944, 0x2a, 0xc945, 0x42, 0xc946, 0x81, 0xc947, 0x0e, 0x910e, 0xf0, 0x910f, 0x90, 0x9110, 0xd2, 0x9111, 0x12, 0x9112, 0x02, 0x9113, 0x2a, 0x9114, 0x48, 0xc948, 0x2a, 0xc949, 0x45, 0xc94a, 0x81, 0xc94b, 0x15, 0x9115, 0x90, 0x9116, 0x83, 0x9117, 0xba, 0x9118, 0xe0, 0x9119, 0xff, 0x911a, 0x90, 0x911b, 0xd2, 0x911c, 0x10, 0x911d, 0xe0, 0x911e, 0xe4, 0x911f, 0xef, 0x9120, 0xf0, 0x9121, 0xa3, 0x9122, 0xe0, 0x9123, 0x74, 0x9124, 0xff, 0x9125, 0xf0, 0x9126, 0x90, 0x9127, 0xd2, 0x9128, 0x12, 0x9129, 0x02, 0x912a, 0x2a, 0x912b, 0x48, 0xc900, 0x01, 0x0000, 0x00, }; static const u16 vs6624_p2[] = { 0x806f, 0x01, 0x058c, 0x01, 0x0000, 0x00, }; static const u16 vs6624_run_setup[] = { 0x1d18, 0x00, /* Enableconstrainedwhitebalance */ VS6624_PEAK_MIN_OUT_G_MSB, 0x3c, /* Damper PeakGain Output MSB */ VS6624_PEAK_MIN_OUT_G_LSB, 0x66, /* Damper PeakGain Output LSB */ VS6624_CM_LOW_THR_MSB, 0x65, /* Damper Low MSB */ VS6624_CM_LOW_THR_LSB, 0xd1, /* Damper Low LSB */ VS6624_CM_HIGH_THR_MSB, 0x66, /* Damper High MSB */ VS6624_CM_HIGH_THR_LSB, 0x62, /* Damper High LSB */ VS6624_CM_MIN_OUT_MSB, 0x00, /* Damper Min output MSB */ VS6624_CM_MIN_OUT_LSB, 0x00, /* Damper Min output LSB */ VS6624_NORA_DISABLE, 0x00, /* Nora fDisable */ VS6624_NORA_USAGE, 0x04, /* Nora usage */ VS6624_NORA_LOW_THR_MSB, 0x63, /* Damper Low MSB Changed 0x63 to 0x65 */ VS6624_NORA_LOW_THR_LSB, 0xd1, /* Damper Low LSB */ VS6624_NORA_HIGH_THR_MSB, 0x68, /* Damper High MSB */ VS6624_NORA_HIGH_THR_LSB, 0xdd, /* Damper High LSB */ VS6624_NORA_MIN_OUT_MSB, 0x3a, /* Damper Min output MSB */ VS6624_NORA_MIN_OUT_LSB, 0x00, /* Damper Min output LSB */ VS6624_F2B_DISABLE, 0x00, /* Disable */ 0x1d8a, 0x30, /* MAXWeightHigh */ 0x1d91, 0x62, /* fpDamperLowThresholdHigh MSB */ 0x1d92, 0x4a, /* fpDamperLowThresholdHigh LSB */ 0x1d95, 0x65, /* fpDamperHighThresholdHigh MSB */ 0x1d96, 0x0e, /* fpDamperHighThresholdHigh LSB */ 0x1da1, 0x3a, /* fpMinimumDamperOutputLow MSB */ 0x1da2, 0xb8, /* fpMinimumDamperOutputLow LSB */ 0x1e08, 0x06, /* MAXWeightLow */ 0x1e0a, 0x0a, /* MAXWeightHigh */ 0x1601, 0x3a, /* Red A MSB */ 0x1602, 0x14, /* Red A LSB */ 0x1605, 0x3b, /* Blue A MSB */ 0x1606, 0x85, /* BLue A LSB */ 0x1609, 0x3b, /* RED B MSB */ 0x160a, 0x85, /* RED B LSB */ 0x160d, 0x3a, /* Blue B MSB */ 0x160e, 0x14, /* Blue B LSB */ 0x1611, 0x30, /* Max Distance from Locus MSB */ 0x1612, 0x8f, /* Max Distance from Locus MSB */ 0x1614, 0x01, /* Enable constrainer */ 0x0000, 0x00, }; static const u16 vs6624_default[] = { VS6624_CONTRAST0, 0x84, VS6624_SATURATION0, 0x75, VS6624_GAMMA0, 0x11, VS6624_CONTRAST1, 0x84, VS6624_SATURATION1, 0x75, VS6624_GAMMA1, 0x11, VS6624_MAN_RG, 0x80, VS6624_MAN_GG, 0x80, VS6624_MAN_BG, 0x80, VS6624_WB_MODE, 0x1, VS6624_EXPO_COMPENSATION, 0xfe, VS6624_EXPO_METER, 0x0, VS6624_LIGHT_FREQ, 0x64, VS6624_PEAK_GAIN, 0xe, VS6624_PEAK_LOW_THR, 0x28, VS6624_HMIRROR0, 0x0, VS6624_VFLIP0, 0x0, VS6624_ZOOM_HSTEP0_MSB, 0x0, VS6624_ZOOM_HSTEP0_LSB, 0x1, VS6624_ZOOM_VSTEP0_MSB, 0x0, VS6624_ZOOM_VSTEP0_LSB, 0x1, VS6624_PAN_HSTEP0_MSB, 0x0, VS6624_PAN_HSTEP0_LSB, 0xf, VS6624_PAN_VSTEP0_MSB, 0x0, VS6624_PAN_VSTEP0_LSB, 0xf, VS6624_SENSOR_MODE, 0x1, VS6624_SYNC_CODE_SETUP, 0x21, VS6624_DISABLE_FR_DAMPER, 0x0, VS6624_FR_DEN, 0x1, VS6624_FR_NUM_LSB, 0xf, VS6624_INIT_PIPE_SETUP, 0x0, VS6624_IMG_FMT0, 0x0, VS6624_YUV_SETUP, 0x1, VS6624_IMAGE_SIZE0, 0x2, 0x0000, 0x00, }; static inline struct vs6624 *to_vs6624(struct v4l2_subdev *sd) { return container_of(sd, struct vs6624, sd); } static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) { return &container_of(ctrl->handler, struct vs6624, hdl)->sd; } #ifdef CONFIG_VIDEO_ADV_DEBUG static int vs6624_read(struct v4l2_subdev *sd, u16 index) { struct i2c_client *client = v4l2_get_subdevdata(sd); u8 buf[2]; buf[0] = index >> 8; buf[1] = index; i2c_master_send(client, buf, 2); i2c_master_recv(client, buf, 1); return buf[0]; } #endif static int vs6624_write(struct v4l2_subdev *sd, u16 index, u8 value) { struct i2c_client *client = v4l2_get_subdevdata(sd); u8 buf[3]; buf[0] = index >> 8; buf[1] = index; buf[2] = value; return i2c_master_send(client, buf, 3); } static int vs6624_writeregs(struct v4l2_subdev *sd, const u16 *regs) { u16 reg; u8 data; while (*regs != 0x00) { reg = *regs++; data = *regs++; vs6624_write(sd, reg, data); } return 0; } static int vs6624_s_ctrl(struct v4l2_ctrl *ctrl) { struct v4l2_subdev *sd = to_sd(ctrl); switch (ctrl->id) { case V4L2_CID_CONTRAST: vs6624_write(sd, VS6624_CONTRAST0, ctrl->val); break; case V4L2_CID_SATURATION: vs6624_write(sd, VS6624_SATURATION0, ctrl->val); break; case V4L2_CID_HFLIP: vs6624_write(sd, VS6624_HMIRROR0, ctrl->val); break; case V4L2_CID_VFLIP: vs6624_write(sd, VS6624_VFLIP0, ctrl->val); break; default: return -EINVAL; } return 0; } static int vs6624_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { if (code->pad || code->index >= ARRAY_SIZE(vs6624_formats)) return -EINVAL; code->code = vs6624_formats[code->index].mbus_code; return 0; } static int vs6624_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { struct v4l2_mbus_framefmt *fmt = &format->format; struct vs6624 *sensor = to_vs6624(sd); int index; if (format->pad) return -EINVAL; for (index = 0; index < ARRAY_SIZE(vs6624_formats); index++) if (vs6624_formats[index].mbus_code == fmt->code) break; if (index >= ARRAY_SIZE(vs6624_formats)) { /* default to first format */ index = 0; fmt->code = vs6624_formats[0].mbus_code; } /* sensor mode is VGA */ if (fmt->width > VGA_WIDTH) fmt->width = VGA_WIDTH; if (fmt->height > VGA_HEIGHT) fmt->height = VGA_HEIGHT; fmt->width = fmt->width & (~3); fmt->height = fmt->height & (~3); fmt->field = V4L2_FIELD_NONE; fmt->colorspace = vs6624_formats[index].colorspace; if (format->which == V4L2_SUBDEV_FORMAT_TRY) { sd_state->pads->try_fmt = *fmt; return 0; } /* set image format */ switch (fmt->code) { case MEDIA_BUS_FMT_UYVY8_2X8: vs6624_write(sd, VS6624_IMG_FMT0, 0x0); vs6624_write(sd, VS6624_YUV_SETUP, 0x1); break; case MEDIA_BUS_FMT_YUYV8_2X8: vs6624_write(sd, VS6624_IMG_FMT0, 0x0); vs6624_write(sd, VS6624_YUV_SETUP, 0x3); break; case MEDIA_BUS_FMT_RGB565_2X8_LE: vs6624_write(sd, VS6624_IMG_FMT0, 0x4); vs6624_write(sd, VS6624_RGB_SETUP, 0x0); break; default: return -EINVAL; } /* set image size */ if ((fmt->width == VGA_WIDTH) && (fmt->height == VGA_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x2); else if ((fmt->width == QVGA_WIDTH) && (fmt->height == QVGA_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x4); else if ((fmt->width == QQVGA_WIDTH) && (fmt->height == QQVGA_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x6); else if ((fmt->width == CIF_WIDTH) && (fmt->height == CIF_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x3); else if ((fmt->width == QCIF_WIDTH) && (fmt->height == QCIF_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x5); else if ((fmt->width == QQCIF_WIDTH) && (fmt->height == QQCIF_HEIGHT)) vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x7); else { vs6624_write(sd, VS6624_IMAGE_SIZE0, 0x8); vs6624_write(sd, VS6624_MAN_HSIZE0_MSB, fmt->width >> 8); vs6624_write(sd, VS6624_MAN_HSIZE0_LSB, fmt->width & 0xFF); vs6624_write(sd, VS6624_MAN_VSIZE0_MSB, fmt->height >> 8); vs6624_write(sd, VS6624_MAN_VSIZE0_LSB, fmt->height & 0xFF); vs6624_write(sd, VS6624_CROP_CTRL0, 0x1); } sensor->fmt = *fmt; return 0; } static int vs6624_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *format) { struct vs6624 *sensor = to_vs6624(sd); if (format->pad) return -EINVAL; format->format = sensor->fmt; return 0; } static int vs6624_g_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *ival) { struct vs6624 *sensor = to_vs6624(sd); ival->interval.numerator = sensor->frame_rate.denominator; ival->interval.denominator = sensor->frame_rate.numerator; return 0; } static int vs6624_s_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *ival) { struct vs6624 *sensor = to_vs6624(sd); struct v4l2_fract *tpf = &ival->interval; if (tpf->numerator == 0 || tpf->denominator == 0 || (tpf->denominator > tpf->numerator * MAX_FRAME_RATE)) { /* reset to max frame rate */ tpf->numerator = 1; tpf->denominator = MAX_FRAME_RATE; } sensor->frame_rate.numerator = tpf->denominator; sensor->frame_rate.denominator = tpf->numerator; vs6624_write(sd, VS6624_DISABLE_FR_DAMPER, 0x0); vs6624_write(sd, VS6624_FR_NUM_MSB, sensor->frame_rate.numerator >> 8); vs6624_write(sd, VS6624_FR_NUM_LSB, sensor->frame_rate.numerator & 0xFF); vs6624_write(sd, VS6624_FR_DEN, sensor->frame_rate.denominator & 0xFF); return 0; } static int vs6624_s_stream(struct v4l2_subdev *sd, int enable) { if (enable) vs6624_write(sd, VS6624_USER_CMD, 0x2); else vs6624_write(sd, VS6624_USER_CMD, 0x4); udelay(100); return 0; } #ifdef CONFIG_VIDEO_ADV_DEBUG static int vs6624_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { reg->val = vs6624_read(sd, reg->reg & 0xffff); reg->size = 1; return 0; } static int vs6624_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { vs6624_write(sd, reg->reg & 0xffff, reg->val & 0xff); return 0; } #endif static const struct v4l2_ctrl_ops vs6624_ctrl_ops = { .s_ctrl = vs6624_s_ctrl, }; static const struct v4l2_subdev_core_ops vs6624_core_ops = { #ifdef CONFIG_VIDEO_ADV_DEBUG .g_register = vs6624_g_register, .s_register = vs6624_s_register, #endif }; static const struct v4l2_subdev_video_ops vs6624_video_ops = { .s_frame_interval = vs6624_s_frame_interval, .g_frame_interval = vs6624_g_frame_interval, .s_stream = vs6624_s_stream, }; static const struct v4l2_subdev_pad_ops vs6624_pad_ops = { .enum_mbus_code = vs6624_enum_mbus_code, .get_fmt = vs6624_get_fmt, .set_fmt = vs6624_set_fmt, }; static const struct v4l2_subdev_ops vs6624_ops = { .core = &vs6624_core_ops, .video = &vs6624_video_ops, .pad = &vs6624_pad_ops, }; static int vs6624_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct vs6624 *sensor; struct v4l2_subdev *sd; struct v4l2_ctrl_handler *hdl; const unsigned *ce; int ret; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) return -EIO; ce = client->dev.platform_data; if (ce == NULL) return -EINVAL; ret = devm_gpio_request_one(&client->dev, *ce, GPIOF_OUT_INIT_HIGH, "VS6624 Chip Enable"); if (ret) { v4l_err(client, "failed to request GPIO %d\n", *ce); return ret; } /* wait 100ms before any further i2c writes are performed */ msleep(100); sensor = devm_kzalloc(&client->dev, sizeof(*sensor), GFP_KERNEL); if (sensor == NULL) return -ENOMEM; sd = &sensor->sd; v4l2_i2c_subdev_init(sd, client, &vs6624_ops); vs6624_writeregs(sd, vs6624_p1); vs6624_write(sd, VS6624_MICRO_EN, 0x2); vs6624_write(sd, VS6624_DIO_EN, 0x1); usleep_range(10000, 11000); vs6624_writeregs(sd, vs6624_p2); vs6624_writeregs(sd, vs6624_default); vs6624_write(sd, VS6624_HSYNC_SETUP, 0xF); vs6624_writeregs(sd, vs6624_run_setup); /* set frame rate */ sensor->frame_rate.numerator = MAX_FRAME_RATE; sensor->frame_rate.denominator = 1; vs6624_write(sd, VS6624_DISABLE_FR_DAMPER, 0x0); vs6624_write(sd, VS6624_FR_NUM_MSB, sensor->frame_rate.numerator >> 8); vs6624_write(sd, VS6624_FR_NUM_LSB, sensor->frame_rate.numerator & 0xFF); vs6624_write(sd, VS6624_FR_DEN, sensor->frame_rate.denominator & 0xFF); sensor->fmt = vs6624_default_fmt; sensor->ce_pin = *ce; v4l_info(client, "chip found @ 0x%02x (%s)\n", client->addr << 1, client->adapter->name); hdl = &sensor->hdl; v4l2_ctrl_handler_init(hdl, 4); v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, V4L2_CID_CONTRAST, 0, 0xFF, 1, 0x87); v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, V4L2_CID_SATURATION, 0, 0xFF, 1, 0x78); v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(hdl, &vs6624_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); /* hook the control handler into the driver */ sd->ctrl_handler = hdl; if (hdl->error) { int err = hdl->error; v4l2_ctrl_handler_free(hdl); return err; } /* initialize the hardware to the default control values */ ret = v4l2_ctrl_handler_setup(hdl); if (ret) v4l2_ctrl_handler_free(hdl); return ret; } static int vs6624_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); return 0; } static const struct i2c_device_id vs6624_id[] = { {"vs6624", 0}, {}, }; MODULE_DEVICE_TABLE(i2c, vs6624_id); static struct i2c_driver vs6624_driver = { .driver = { .name = "vs6624", }, .probe = vs6624_probe, .remove = vs6624_remove, .id_table = vs6624_id, }; module_i2c_driver(vs6624_driver); MODULE_DESCRIPTION("VS6624 sensor driver"); MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>"); MODULE_LICENSE("GPL v2");
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