diff options
Diffstat (limited to 'drivers/media/i2c/soc_camera/soc_rj54n1cb0c.c')
| -rw-r--r-- | drivers/media/i2c/soc_camera/soc_rj54n1cb0c.c | 1415 |
1 files changed, 0 insertions, 1415 deletions
diff --git a/drivers/media/i2c/soc_camera/soc_rj54n1cb0c.c b/drivers/media/i2c/soc_camera/soc_rj54n1cb0c.c deleted file mode 100644 index f0cb49a6167b..000000000000 --- a/drivers/media/i2c/soc_camera/soc_rj54n1cb0c.c +++ /dev/null @@ -1,1415 +0,0 @@ -/* - * Driver for RJ54N1CB0C CMOS Image Sensor from Sharp - * - * Copyright (C) 2009, Guennadi Liakhovetski <g.liakhovetski@gmx.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/delay.h> -#include <linux/i2c.h> -#include <linux/slab.h> -#include <linux/v4l2-mediabus.h> -#include <linux/videodev2.h> -#include <linux/module.h> - -#include <media/i2c/rj54n1cb0c.h> -#include <media/soc_camera.h> -#include <media/v4l2-clk.h> -#include <media/v4l2-subdev.h> -#include <media/v4l2-ctrls.h> - -#define RJ54N1_DEV_CODE 0x0400 -#define RJ54N1_DEV_CODE2 0x0401 -#define RJ54N1_OUT_SEL 0x0403 -#define RJ54N1_XY_OUTPUT_SIZE_S_H 0x0404 -#define RJ54N1_X_OUTPUT_SIZE_S_L 0x0405 -#define RJ54N1_Y_OUTPUT_SIZE_S_L 0x0406 -#define RJ54N1_XY_OUTPUT_SIZE_P_H 0x0407 -#define RJ54N1_X_OUTPUT_SIZE_P_L 0x0408 -#define RJ54N1_Y_OUTPUT_SIZE_P_L 0x0409 -#define RJ54N1_LINE_LENGTH_PCK_S_H 0x040a -#define RJ54N1_LINE_LENGTH_PCK_S_L 0x040b -#define RJ54N1_LINE_LENGTH_PCK_P_H 0x040c -#define RJ54N1_LINE_LENGTH_PCK_P_L 0x040d -#define RJ54N1_RESIZE_N 0x040e -#define RJ54N1_RESIZE_N_STEP 0x040f -#define RJ54N1_RESIZE_STEP 0x0410 -#define RJ54N1_RESIZE_HOLD_H 0x0411 -#define RJ54N1_RESIZE_HOLD_L 0x0412 -#define RJ54N1_H_OBEN_OFS 0x0413 -#define RJ54N1_V_OBEN_OFS 0x0414 -#define RJ54N1_RESIZE_CONTROL 0x0415 -#define RJ54N1_STILL_CONTROL 0x0417 -#define RJ54N1_INC_USE_SEL_H 0x0425 -#define RJ54N1_INC_USE_SEL_L 0x0426 -#define RJ54N1_MIRROR_STILL_MODE 0x0427 -#define RJ54N1_INIT_START 0x0428 -#define RJ54N1_SCALE_1_2_LEV 0x0429 -#define RJ54N1_SCALE_4_LEV 0x042a -#define RJ54N1_Y_GAIN 0x04d8 -#define RJ54N1_APT_GAIN_UP 0x04fa -#define RJ54N1_RA_SEL_UL 0x0530 -#define RJ54N1_BYTE_SWAP 0x0531 -#define RJ54N1_OUT_SIGPO 0x053b -#define RJ54N1_WB_SEL_WEIGHT_I 0x054e -#define RJ54N1_BIT8_WB 0x0569 -#define RJ54N1_HCAPS_WB 0x056a -#define RJ54N1_VCAPS_WB 0x056b -#define RJ54N1_HCAPE_WB 0x056c -#define RJ54N1_VCAPE_WB 0x056d -#define RJ54N1_EXPOSURE_CONTROL 0x058c -#define RJ54N1_FRAME_LENGTH_S_H 0x0595 -#define RJ54N1_FRAME_LENGTH_S_L 0x0596 -#define RJ54N1_FRAME_LENGTH_P_H 0x0597 -#define RJ54N1_FRAME_LENGTH_P_L 0x0598 -#define RJ54N1_PEAK_H 0x05b7 -#define RJ54N1_PEAK_50 0x05b8 -#define RJ54N1_PEAK_60 0x05b9 -#define RJ54N1_PEAK_DIFF 0x05ba -#define RJ54N1_IOC 0x05ef -#define RJ54N1_TG_BYPASS 0x0700 -#define RJ54N1_PLL_L 0x0701 -#define RJ54N1_PLL_N 0x0702 -#define RJ54N1_PLL_EN 0x0704 -#define RJ54N1_RATIO_TG 0x0706 -#define RJ54N1_RATIO_T 0x0707 -#define RJ54N1_RATIO_R 0x0708 -#define RJ54N1_RAMP_TGCLK_EN 0x0709 -#define RJ54N1_OCLK_DSP 0x0710 -#define RJ54N1_RATIO_OP 0x0711 -#define RJ54N1_RATIO_O 0x0712 -#define RJ54N1_OCLK_SEL_EN 0x0713 -#define RJ54N1_CLK_RST 0x0717 -#define RJ54N1_RESET_STANDBY 0x0718 -#define RJ54N1_FWFLG 0x07fe - -#define E_EXCLK (1 << 7) -#define SOFT_STDBY (1 << 4) -#define SEN_RSTX (1 << 2) -#define TG_RSTX (1 << 1) -#define DSP_RSTX (1 << 0) - -#define RESIZE_HOLD_SEL (1 << 2) -#define RESIZE_GO (1 << 1) - -/* - * When cropping, the camera automatically centers the cropped region, there - * doesn't seem to be a way to specify an explicit location of the rectangle. - */ -#define RJ54N1_COLUMN_SKIP 0 -#define RJ54N1_ROW_SKIP 0 -#define RJ54N1_MAX_WIDTH 1600 -#define RJ54N1_MAX_HEIGHT 1200 - -#define PLL_L 2 -#define PLL_N 0x31 - -/* I2C addresses: 0x50, 0x51, 0x60, 0x61 */ - -/* RJ54N1CB0C has only one fixed colorspace per pixelcode */ -struct rj54n1_datafmt { - u32 code; - enum v4l2_colorspace colorspace; -}; - -/* Find a data format by a pixel code in an array */ -static const struct rj54n1_datafmt *rj54n1_find_datafmt( - u32 code, const struct rj54n1_datafmt *fmt, - int n) -{ - int i; - for (i = 0; i < n; i++) - if (fmt[i].code == code) - return fmt + i; - - return NULL; -} - -static const struct rj54n1_datafmt rj54n1_colour_fmts[] = { - {MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_JPEG}, - {MEDIA_BUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_JPEG}, - {MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE, V4L2_COLORSPACE_SRGB}, - {MEDIA_BUS_FMT_SBGGR10_1X10, V4L2_COLORSPACE_SRGB}, -}; - -struct rj54n1_clock_div { - u8 ratio_tg; /* can be 0 or an odd number */ - u8 ratio_t; - u8 ratio_r; - u8 ratio_op; - u8 ratio_o; -}; - -struct rj54n1 { - struct v4l2_subdev subdev; - struct v4l2_ctrl_handler hdl; - struct v4l2_clk *clk; - struct rj54n1_clock_div clk_div; - const struct rj54n1_datafmt *fmt; - struct v4l2_rect rect; /* Sensor window */ - unsigned int tgclk_mhz; - bool auto_wb; - unsigned short width; /* Output window */ - unsigned short height; - unsigned short resize; /* Sensor * 1024 / resize = Output */ - unsigned short scale; - u8 bank; -}; - -struct rj54n1_reg_val { - u16 reg; - u8 val; -}; - -static const struct rj54n1_reg_val bank_4[] = { - {0x417, 0}, - {0x42c, 0}, - {0x42d, 0xf0}, - {0x42e, 0}, - {0x42f, 0x50}, - {0x430, 0xf5}, - {0x431, 0x16}, - {0x432, 0x20}, - {0x433, 0}, - {0x434, 0xc8}, - {0x43c, 8}, - {0x43e, 0x90}, - {0x445, 0x83}, - {0x4ba, 0x58}, - {0x4bb, 4}, - {0x4bc, 0x20}, - {0x4db, 4}, - {0x4fe, 2}, -}; - -static const struct rj54n1_reg_val bank_5[] = { - {0x514, 0}, - {0x516, 0}, - {0x518, 0}, - {0x51a, 0}, - {0x51d, 0xff}, - {0x56f, 0x28}, - {0x575, 0x40}, - {0x5bc, 0x48}, - {0x5c1, 6}, - {0x5e5, 0x11}, - {0x5e6, 0x43}, - {0x5e7, 0x33}, - {0x5e8, 0x21}, - {0x5e9, 0x30}, - {0x5ea, 0x0}, - {0x5eb, 0xa5}, - {0x5ec, 0xff}, - {0x5fe, 2}, -}; - -static const struct rj54n1_reg_val bank_7[] = { - {0x70a, 0}, - {0x714, 0xff}, - {0x715, 0xff}, - {0x716, 0x1f}, - {0x7FE, 2}, -}; - -static const struct rj54n1_reg_val bank_8[] = { - {0x800, 0x00}, - {0x801, 0x01}, - {0x802, 0x61}, - {0x805, 0x00}, - {0x806, 0x00}, - {0x807, 0x00}, - {0x808, 0x00}, - {0x809, 0x01}, - {0x80A, 0x61}, - {0x80B, 0x00}, - {0x80C, 0x01}, - {0x80D, 0x00}, - {0x80E, 0x00}, - {0x80F, 0x00}, - {0x810, 0x00}, - {0x811, 0x01}, - {0x812, 0x61}, - {0x813, 0x00}, - {0x814, 0x11}, - {0x815, 0x00}, - {0x816, 0x41}, - {0x817, 0x00}, - {0x818, 0x51}, - {0x819, 0x01}, - {0x81A, 0x1F}, - {0x81B, 0x00}, - {0x81C, 0x01}, - {0x81D, 0x00}, - {0x81E, 0x11}, - {0x81F, 0x00}, - {0x820, 0x41}, - {0x821, 0x00}, - {0x822, 0x51}, - {0x823, 0x00}, - {0x824, 0x00}, - {0x825, 0x00}, - {0x826, 0x47}, - {0x827, 0x01}, - {0x828, 0x4F}, - {0x829, 0x00}, - {0x82A, 0x00}, - {0x82B, 0x00}, - {0x82C, 0x30}, - {0x82D, 0x00}, - {0x82E, 0x40}, - {0x82F, 0x00}, - {0x830, 0xB3}, - {0x831, 0x00}, - {0x832, 0xE3}, - {0x833, 0x00}, - {0x834, 0x00}, - {0x835, 0x00}, - {0x836, 0x00}, - {0x837, 0x00}, - {0x838, 0x00}, - {0x839, 0x01}, - {0x83A, 0x61}, - {0x83B, 0x00}, - {0x83C, 0x01}, - {0x83D, 0x00}, - {0x83E, 0x00}, - {0x83F, 0x00}, - {0x840, 0x00}, - {0x841, 0x01}, - {0x842, 0x61}, - {0x843, 0x00}, - {0x844, 0x1D}, - {0x845, 0x00}, - {0x846, 0x00}, - {0x847, 0x00}, - {0x848, 0x00}, - {0x849, 0x01}, - {0x84A, 0x1F}, - {0x84B, 0x00}, - {0x84C, 0x05}, - {0x84D, 0x00}, - {0x84E, 0x19}, - {0x84F, 0x01}, - {0x850, 0x21}, - {0x851, 0x01}, - {0x852, 0x5D}, - {0x853, 0x00}, - {0x854, 0x00}, - {0x855, 0x00}, - {0x856, 0x19}, - {0x857, 0x01}, - {0x858, 0x21}, - {0x859, 0x00}, - {0x85A, 0x00}, - {0x85B, 0x00}, - {0x85C, 0x00}, - {0x85D, 0x00}, - {0x85E, 0x00}, - {0x85F, 0x00}, - {0x860, 0xB3}, - {0x861, 0x00}, - {0x862, 0xE3}, - {0x863, 0x00}, - {0x864, 0x00}, - {0x865, 0x00}, - {0x866, 0x00}, - {0x867, 0x00}, - {0x868, 0x00}, - {0x869, 0xE2}, - {0x86A, 0x00}, - {0x86B, 0x01}, - {0x86C, 0x06}, - {0x86D, 0x00}, - {0x86E, 0x00}, - {0x86F, 0x00}, - {0x870, 0x60}, - {0x871, 0x8C}, - {0x872, 0x10}, - {0x873, 0x00}, - {0x874, 0xE0}, - {0x875, 0x00}, - {0x876, 0x27}, - {0x877, 0x01}, - {0x878, 0x00}, - {0x879, 0x00}, - {0x87A, 0x00}, - {0x87B, 0x03}, - {0x87C, 0x00}, - {0x87D, 0x00}, - {0x87E, 0x00}, - {0x87F, 0x00}, - {0x880, 0x00}, - {0x881, 0x00}, - {0x882, 0x00}, - {0x883, 0x00}, - {0x884, 0x00}, - {0x885, 0x00}, - {0x886, 0xF8}, - {0x887, 0x00}, - {0x888, 0x03}, - {0x889, 0x00}, - {0x88A, 0x64}, - {0x88B, 0x00}, - {0x88C, 0x03}, - {0x88D, 0x00}, - {0x88E, 0xB1}, - {0x88F, 0x00}, - {0x890, 0x03}, - {0x891, 0x01}, - {0x892, 0x1D}, - {0x893, 0x00}, - {0x894, 0x03}, - {0x895, 0x01}, - {0x896, 0x4B}, - {0x897, 0x00}, - {0x898, 0xE5}, - {0x899, 0x00}, - {0x89A, 0x01}, - {0x89B, 0x00}, - {0x89C, 0x01}, - {0x89D, 0x04}, - {0x89E, 0xC8}, - {0x89F, 0x00}, - {0x8A0, 0x01}, - {0x8A1, 0x01}, - {0x8A2, 0x61}, - {0x8A3, 0x00}, - {0x8A4, 0x01}, - {0x8A5, 0x00}, - {0x8A6, 0x00}, - {0x8A7, 0x00}, - {0x8A8, 0x00}, - {0x8A9, 0x00}, - {0x8AA, 0x7F}, - {0x8AB, 0x03}, - {0x8AC, 0x00}, - {0x8AD, 0x00}, - {0x8AE, 0x00}, - {0x8AF, 0x00}, - {0x8B0, 0x00}, - {0x8B1, 0x00}, - {0x8B6, 0x00}, - {0x8B7, 0x01}, - {0x8B8, 0x00}, - {0x8B9, 0x00}, - {0x8BA, 0x02}, - {0x8BB, 0x00}, - {0x8BC, 0xFF}, - {0x8BD, 0x00}, - {0x8FE, 2}, -}; - -static const struct rj54n1_reg_val bank_10[] = { - {0x10bf, 0x69} -}; - -/* Clock dividers - these are default register values, divider = register + 1 */ -static const struct rj54n1_clock_div clk_div = { - .ratio_tg = 3 /* default: 5 */, - .ratio_t = 4 /* default: 1 */, - .ratio_r = 4 /* default: 0 */, - .ratio_op = 1 /* default: 5 */, - .ratio_o = 9 /* default: 0 */, -}; - -static struct rj54n1 *to_rj54n1(const struct i2c_client *client) -{ - return container_of(i2c_get_clientdata(client), struct rj54n1, subdev); -} - -static int reg_read(struct i2c_client *client, const u16 reg) -{ - struct rj54n1 *rj54n1 = to_rj54n1(client); - int ret; - - /* set bank */ - if (rj54n1->bank != reg >> 8) { - dev_dbg(&client->dev, "[0x%x] = 0x%x\n", 0xff, reg >> 8); - ret = i2c_smbus_write_byte_data(client, 0xff, reg >> 8); - if (ret < 0) - return ret; - rj54n1->bank = reg >> 8; - } - return i2c_smbus_read_byte_data(client, reg & 0xff); -} - -static int reg_write(struct i2c_client *client, const u16 reg, - const u8 data) -{ - struct rj54n1 *rj54n1 = to_rj54n1(client); - int ret; - - /* set bank */ - if (rj54n1->bank != reg >> 8) { - dev_dbg(&client->dev, "[0x%x] = 0x%x\n", 0xff, reg >> 8); - ret = i2c_smbus_write_byte_data(client, 0xff, reg >> 8); - if (ret < 0) - return ret; - rj54n1->bank = reg >> 8; - } - dev_dbg(&client->dev, "[0x%x] = 0x%x\n", reg & 0xff, data); - return i2c_smbus_write_byte_data(client, reg & 0xff, data); -} - -static int reg_set(struct i2c_client *client, const u16 reg, - const u8 data, const u8 mask) -{ - int ret; - - ret = reg_read(client, reg); - if (ret < 0) - return ret; - return reg_write(client, reg, (ret & ~mask) | (data & mask)); -} - -static int reg_write_multiple(struct i2c_client *client, - const struct rj54n1_reg_val *rv, const int n) -{ - int i, ret; - - for (i = 0; i < n; i++) { - ret = reg_write(client, rv->reg, rv->val); - if (ret < 0) - return ret; - rv++; - } - - return 0; -} - -static int rj54n1_enum_mbus_code(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_mbus_code_enum *code) -{ - if (code->pad || code->index >= ARRAY_SIZE(rj54n1_colour_fmts)) - return -EINVAL; - - code->code = rj54n1_colour_fmts[code->index].code; - return 0; -} - -static int rj54n1_s_stream(struct v4l2_subdev *sd, int enable) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - /* Switch between preview and still shot modes */ - return reg_set(client, RJ54N1_STILL_CONTROL, (!enable) << 7, 0x80); -} - -static int rj54n1_set_rect(struct i2c_client *client, - u16 reg_x, u16 reg_y, u16 reg_xy, - u32 width, u32 height) -{ - int ret; - - ret = reg_write(client, reg_xy, - ((width >> 4) & 0x70) | - ((height >> 8) & 7)); - - if (!ret) - ret = reg_write(client, reg_x, width & 0xff); - if (!ret) - ret = reg_write(client, reg_y, height & 0xff); - - return ret; -} - -/* - * Some commands, specifically certain initialisation sequences, require - * a commit operation. - */ -static int rj54n1_commit(struct i2c_client *client) -{ - int ret = reg_write(client, RJ54N1_INIT_START, 1); - msleep(10); - if (!ret) - ret = reg_write(client, RJ54N1_INIT_START, 0); - return ret; -} - -static int rj54n1_sensor_scale(struct v4l2_subdev *sd, s32 *in_w, s32 *in_h, - s32 *out_w, s32 *out_h); - -static int rj54n1_set_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_selection *sel) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct rj54n1 *rj54n1 = to_rj54n1(client); - const struct v4l2_rect *rect = &sel->r; - int dummy = 0, output_w, output_h, - input_w = rect->width, input_h = rect->height; - int ret; - - if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE || - sel->target != V4L2_SEL_TGT_CROP) - return -EINVAL; - - /* arbitrary minimum width and height, edges unimportant */ - soc_camera_limit_side(&dummy, &input_w, - RJ54N1_COLUMN_SKIP, 8, RJ54N1_MAX_WIDTH); - - soc_camera_limit_side(&dummy, &input_h, - RJ54N1_ROW_SKIP, 8, RJ54N1_MAX_HEIGHT); - - output_w = (input_w * 1024 + rj54n1->resize / 2) / rj54n1->resize; - output_h = (input_h * 1024 + rj54n1->resize / 2) / rj54n1->resize; - - dev_dbg(&client->dev, "Scaling for %dx%d : %u = %dx%d\n", - input_w, input_h, rj54n1->resize, output_w, output_h); - - ret = rj54n1_sensor_scale(sd, &input_w, &input_h, &output_w, &output_h); - if (ret < 0) - return ret; - - rj54n1->width = output_w; - rj54n1->height = output_h; - rj54n1->resize = ret; - rj54n1->rect.width = input_w; - rj54n1->rect.height = input_h; - - return 0; -} - -static int rj54n1_get_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_selection *sel) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct rj54n1 *rj54n1 = to_rj54n1(client); - - if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) - return -EINVAL; - - switch (sel->target) { - case V4L2_SEL_TGT_CROP_BOUNDS: - sel->r.left = RJ54N1_COLUMN_SKIP; - sel->r.top = RJ54N1_ROW_SKIP; - sel->r.width = RJ54N1_MAX_WIDTH; - sel->r.height = RJ54N1_MAX_HEIGHT; - return 0; - case V4L2_SEL_TGT_CROP: - sel->r = rj54n1->rect; - return 0; - default: - return -EINVAL; - } -} - -static int rj54n1_get_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *format) -{ - struct v4l2_mbus_framefmt *mf = &format->format; - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct rj54n1 *rj54n1 = to_rj54n1(client); - - if (format->pad) - return -EINVAL; - - mf->code = rj54n1->fmt->code; - mf->colorspace = rj54n1->fmt->colorspace; - mf->field = V4L2_FIELD_NONE; - mf->width = rj54n1->width; - mf->height = rj54n1->height; - - return 0; -} - -/* - * The actual geometry configuration routine. It scales the input window into - * the output one, updates the window sizes and returns an error or the resize - * coefficient on success. Note: we only use the "Fixed Scaling" on this camera. - */ -static int rj54n1_sensor_scale(struct v4l2_subdev *sd, s32 *in_w, s32 *in_h, - s32 *out_w, s32 *out_h) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct rj54n1 *rj54n1 = to_rj54n1(client); - unsigned int skip, resize, input_w = *in_w, input_h = *in_h, - output_w = *out_w, output_h = *out_h; - u16 inc_sel, wb_bit8, wb_left, wb_right, wb_top, wb_bottom; - unsigned int peak, peak_50, peak_60; - int ret; - - /* - * We have a problem with crops, where the window is larger than 512x384 - * and output window is larger than a half of the input one. In this - * case we have to either reduce the input window to equal or below - * 512x384 or the output window to equal or below 1/2 of the input. - */ - if (output_w > max(512U, input_w / 2)) { - if (2 * output_w > RJ54N1_MAX_WIDTH) { - input_w = RJ54N1_MAX_WIDTH; - output_w = RJ54N1_MAX_WIDTH / 2; - } else { - input_w = output_w * 2; - } - - dev_dbg(&client->dev, "Adjusted output width: in %u, out %u\n", - input_w, output_w); - } - - if (output_h > max(384U, input_h / 2)) { - if (2 * output_h > RJ54N1_MAX_HEIGHT) { - input_h = RJ54N1_MAX_HEIGHT; - output_h = RJ54N1_MAX_HEIGHT / 2; - } else { - input_h = output_h * 2; - } - - dev_dbg(&client->dev, "Adjusted output height: in %u, out %u\n", - input_h, output_h); - } - - /* Idea: use the read mode for snapshots, handle separate geometries */ - ret = rj54n1_set_rect(client, RJ54N1_X_OUTPUT_SIZE_S_L, - RJ54N1_Y_OUTPUT_SIZE_S_L, - RJ54N1_XY_OUTPUT_SIZE_S_H, output_w, output_h); - if (!ret) - ret = rj54n1_set_rect(client, RJ54N1_X_OUTPUT_SIZE_P_L, - RJ54N1_Y_OUTPUT_SIZE_P_L, - RJ54N1_XY_OUTPUT_SIZE_P_H, output_w, output_h); - - if (ret < 0) - return ret; - - if (output_w > input_w && output_h > input_h) { - input_w = output_w; - input_h = output_h; - - resize = 1024; - } else { - unsigned int resize_x, resize_y; - resize_x = (input_w * 1024 + output_w / 2) / output_w; - resize_y = (input_h * 1024 + output_h / 2) / output_h; - - /* We want max(resize_x, resize_y), check if it still fits */ - if (resize_x > resize_y && - (output_h * resize_x + 512) / 1024 > RJ54N1_MAX_HEIGHT) - resize = (RJ54N1_MAX_HEIGHT * 1024 + output_h / 2) / - output_h; - else if (resize_y > resize_x && - (output_w * resize_y + 512) / 1024 > RJ54N1_MAX_WIDTH) - resize = (RJ54N1_MAX_WIDTH * 1024 + output_w / 2) / - output_w; - else - resize = max(resize_x, resize_y); - - /* Prohibited value ranges */ - switch (resize) { - case 2040 ... 2047: - resize = 2039; - break; - case 4080 ... 4095: - resize = 4079; - break; - case 8160 ... 8191: - resize = 8159; - break; - case 16320 ... 16384: - resize = 16319; - } - } - - /* Set scaling */ - ret = reg_write(client, RJ54N1_RESIZE_HOLD_L, resize & 0xff); - if (!ret) - ret = reg_write(client, RJ54N1_RESIZE_HOLD_H, resize >> 8); - - if (ret < 0) - return ret; - - /* - * Configure a skipping bitmask. The sensor will select a skipping value - * among set bits automatically. This is very unclear in the datasheet - * too. I was told, in this register one enables all skipping values, - * that are required for a specific resize, and the camera selects - * automatically, which ones to use. But it is unclear how to identify, - * which cropping values are needed. Secondly, why don't we just set all - * bits and let the camera choose? Would it increase processing time and - * reduce the framerate? Using 0xfffc for INC_USE_SEL doesn't seem to - * improve the image quality or stability for larger frames (see comment - * above), but I didn't check the framerate. - */ - skip = min(resize / 1024, 15U); - - inc_sel = 1 << skip; - - if (inc_sel <= 2) - inc_sel = 0xc; - else if (resize & 1023 && skip < 15) - inc_sel |= 1 << (skip + 1); - - ret = reg_write(client, RJ54N1_INC_USE_SEL_L, inc_sel & 0xfc); - if (!ret) - ret = reg_write(client, RJ54N1_INC_USE_SEL_H, inc_sel >> 8); - - if (!rj54n1->auto_wb) { - /* Auto white balance window */ - wb_left = output_w / 16; - wb_right = (3 * output_w / 4 - 3) / 4; - wb_top = output_h / 16; - wb_bottom = (3 * output_h / 4 - 3) / 4; - wb_bit8 = ((wb_left >> 2) & 0x40) | ((wb_top >> 4) & 0x10) | - ((wb_right >> 6) & 4) | ((wb_bottom >> 8) & 1); - - if (!ret) - ret = reg_write(client, RJ54N1_BIT8_WB, wb_bit8); - if (!ret) - ret = reg_write(client, RJ54N1_HCAPS_WB, wb_left); - if (!ret) - ret = reg_write(client, RJ54N1_VCAPS_WB, wb_top); - if (!ret) - ret = reg_write(client, RJ54N1_HCAPE_WB, wb_right); - if (!ret) - ret = reg_write(client, RJ54N1_VCAPE_WB, wb_bottom); - } - - /* Antiflicker */ - peak = 12 * RJ54N1_MAX_WIDTH * (1 << 14) * resize / rj54n1->tgclk_mhz / - 10000; - peak_50 = peak / 6; - peak_60 = peak / 5; - - if (!ret) - ret = reg_write(client, RJ54N1_PEAK_H, - ((peak_50 >> 4) & 0xf0) | (peak_60 >> 8)); - if (!ret) - ret = reg_write(client, RJ54N1_PEAK_50, peak_50); - if (!ret) - ret = reg_write(client, RJ54N1_PEAK_60, peak_60); - if (!ret) - ret = reg_write(client, RJ54N1_PEAK_DIFF, peak / 150); - - /* Start resizing */ - if (!ret) - ret = reg_write(client, RJ54N1_RESIZE_CONTROL, - RESIZE_HOLD_SEL | RESIZE_GO | 1); - - if (ret < 0) - return ret; - - /* Constant taken from manufacturer's example */ - msleep(230); - - ret = reg_write(client, RJ54N1_RESIZE_CONTROL, RESIZE_HOLD_SEL | 1); - if (ret < 0) - return ret; - - *in_w = (output_w * resize + 512) / 1024; - *in_h = (output_h * resize + 512) / 1024; - *out_w = output_w; - *out_h = output_h; - - dev_dbg(&client->dev, "Scaled for %dx%d : %u = %ux%u, skip %u\n", - *in_w, *in_h, resize, output_w, output_h, skip); - - return resize; -} - -static int rj54n1_set_clock(struct i2c_client *client) -{ - struct rj54n1 *rj54n1 = to_rj54n1(client); - int ret; - - /* Enable external clock */ - ret = reg_write(client, RJ54N1_RESET_STANDBY, E_EXCLK | SOFT_STDBY); - /* Leave stand-by. Note: use this when implementing suspend / resume */ - if (!ret) - ret = reg_write(client, RJ54N1_RESET_STANDBY, E_EXCLK); - - if (!ret) - ret = reg_write(client, RJ54N1_PLL_L, PLL_L); - if (!ret) - ret = reg_write(client, RJ54N1_PLL_N, PLL_N); - - /* TGCLK dividers */ - if (!ret) - ret = reg_write(client, RJ54N1_RATIO_TG, - rj54n1->clk_div.ratio_tg); - if (!ret) - ret = reg_write(client, RJ54N1_RATIO_T, - rj54n1->clk_div.ratio_t); - if (!ret) - ret = reg_write(client, RJ54N1_RATIO_R, - rj54n1->clk_div.ratio_r); - - /* Enable TGCLK & RAMP */ - if (!ret) - ret = reg_write(client, RJ54N1_RAMP_TGCLK_EN, 3); - - /* Disable clock output */ - if (!ret) - ret = reg_write(client, RJ54N1_OCLK_DSP, 0); - - /* Set divisors */ - if (!ret) - ret = reg_write(client, RJ54N1_RATIO_OP, - rj54n1->clk_div.ratio_op); - if (!ret) - ret = reg_write(client, RJ54N1_RATIO_O, - rj54n1->clk_div.ratio_o); - - /* Enable OCLK */ - if (!ret) - ret = reg_write(client, RJ54N1_OCLK_SEL_EN, 1); - - /* Use PLL for Timing Generator, write 2 to reserved bits */ - if (!ret) - ret = reg_write(client, RJ54N1_TG_BYPASS, 2); - - /* Take sensor out of reset */ - if (!ret) - ret = reg_write(client, RJ54N1_RESET_STANDBY, - E_EXCLK | SEN_RSTX); - /* Enable PLL */ - if (!ret) - ret = reg_write(client, RJ54N1_PLL_EN, 1); - - /* Wait for PLL to stabilise */ - msleep(10); - - /* Enable clock to frequency divider */ - if (!ret) - ret = reg_write(client, RJ54N1_CLK_RST, 1); - - if (!ret) - ret = reg_read(client, RJ54N1_CLK_RST); - if (ret != 1) { - dev_err(&client->dev, - "Resetting RJ54N1CB0C clock failed: %d!\n", ret); - return -EIO; - } - - /* Start the PLL */ - ret = reg_set(client, RJ54N1_OCLK_DSP, 1, 1); - - /* Enable OCLK */ - if (!ret) - ret = reg_write(client, RJ54N1_OCLK_SEL_EN, 1); - - return ret; -} - -static int rj54n1_reg_init(struct i2c_client *client) -{ - struct rj54n1 *rj54n1 = to_rj54n1(client); - int ret = rj54n1_set_clock(client); - - if (!ret) - ret = reg_write_multiple(client, bank_7, ARRAY_SIZE(bank_7)); - if (!ret) - ret = reg_write_multiple(client, bank_10, ARRAY_SIZE(bank_10)); - - /* Set binning divisors */ - if (!ret) - ret = reg_write(client, RJ54N1_SCALE_1_2_LEV, 3 | (7 << 4)); - if (!ret) - ret = reg_write(client, RJ54N1_SCALE_4_LEV, 0xf); - - /* Switch to fixed resize mode */ - if (!ret) - ret = reg_write(client, RJ54N1_RESIZE_CONTROL, - RESIZE_HOLD_SEL | 1); - - /* Set gain */ - if (!ret) - ret = reg_write(client, RJ54N1_Y_GAIN, 0x84); - - /* - * Mirror the image back: default is upside down and left-to-right... - * Set manual preview / still shot switching - */ - if (!ret) - ret = reg_write(client, RJ54N1_MIRROR_STILL_MODE, 0x27); - - if (!ret) - ret = reg_write_multiple(client, bank_4, ARRAY_SIZE(bank_4)); - - /* Auto exposure area */ - if (!ret) - ret = reg_write(client, RJ54N1_EXPOSURE_CONTROL, 0x80); - /* Check current auto WB config */ - if (!ret) - ret = reg_read(client, RJ54N1_WB_SEL_WEIGHT_I); - if (ret >= 0) { - rj54n1->auto_wb = ret & 0x80; - ret = reg_write_multiple(client, bank_5, ARRAY_SIZE(bank_5)); - } - if (!ret) - ret = reg_write_multiple(client, bank_8, ARRAY_SIZE(bank_8)); - - if (!ret) - ret = reg_write(client, RJ54N1_RESET_STANDBY, - E_EXCLK | DSP_RSTX | SEN_RSTX); - - /* Commit init */ - if (!ret) - ret = rj54n1_commit(client); - - /* Take DSP, TG, sensor out of reset */ - if (!ret) - ret = reg_write(client, RJ54N1_RESET_STANDBY, - E_EXCLK | DSP_RSTX | TG_RSTX | SEN_RSTX); - - /* Start register update? Same register as 0x?FE in many bank_* sets */ - if (!ret) - ret = reg_write(client, RJ54N1_FWFLG, 2); - - /* Constant taken from manufacturer's example */ - msleep(700); - - return ret; -} - -static int rj54n1_set_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *format) -{ - struct v4l2_mbus_framefmt *mf = &format->format; - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct rj54n1 *rj54n1 = to_rj54n1(client); - const struct rj54n1_datafmt *fmt; - int output_w, output_h, max_w, max_h, - input_w = rj54n1->rect.width, input_h = rj54n1->rect.height; - int align = mf->code == MEDIA_BUS_FMT_SBGGR10_1X10 || - mf->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE || - mf->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE || - mf->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE || - mf->code == MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE; - int ret; - - if (format->pad) - return -EINVAL; - - dev_dbg(&client->dev, "%s: code = %d, width = %u, height = %u\n", - __func__, mf->code, mf->width, mf->height); - - fmt = rj54n1_find_datafmt(mf->code, rj54n1_colour_fmts, - ARRAY_SIZE(rj54n1_colour_fmts)); - if (!fmt) { - fmt = rj54n1->fmt; - mf->code = fmt->code; - } - - mf->field = V4L2_FIELD_NONE; - mf->colorspace = fmt->colorspace; - - v4l_bound_align_image(&mf->width, 112, RJ54N1_MAX_WIDTH, align, - &mf->height, 84, RJ54N1_MAX_HEIGHT, align, 0); - - if (format->which == V4L2_SUBDEV_FORMAT_TRY) { - cfg->try_fmt = *mf; - return 0; - } - - /* - * Verify if the sensor has just been powered on. TODO: replace this - * with proper PM, when a suitable API is available. - */ - ret = reg_read(client, RJ54N1_RESET_STANDBY); - if (ret < 0) - return ret; - - if (!(ret & E_EXCLK)) { - ret = rj54n1_reg_init(client); - if (ret < 0) - return ret; - } - - /* RA_SEL_UL is only relevant for raw modes, ignored otherwise. */ - switch (mf->code) { - case MEDIA_BUS_FMT_YUYV8_2X8: - ret = reg_write(client, RJ54N1_OUT_SEL, 0); - if (!ret) - ret = reg_set(client, RJ54N1_BYTE_SWAP, 8, 8); - break; - case MEDIA_BUS_FMT_YVYU8_2X8: - ret = reg_write(client, RJ54N1_OUT_SEL, 0); - if (!ret) - ret = reg_set(client, RJ54N1_BYTE_SWAP, 0, 8); - break; - case MEDIA_BUS_FMT_RGB565_2X8_LE: - ret = reg_write(client, RJ54N1_OUT_SEL, 0x11); - if (!ret) - ret = reg_set(client, RJ54N1_BYTE_SWAP, 8, 8); - break; - case MEDIA_BUS_FMT_RGB565_2X8_BE: - ret = reg_write(client, RJ54N1_OUT_SEL, 0x11); - if (!ret) - ret = reg_set(client, RJ54N1_BYTE_SWAP, 0, 8); - break; - case MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_LE: - ret = reg_write(client, RJ54N1_OUT_SEL, 4); - if (!ret) - ret = reg_set(client, RJ54N1_BYTE_SWAP, 8, 8); - if (!ret) - ret = reg_write(client, RJ54N1_RA_SEL_UL, 0); - break; - case MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE: - ret = reg_write(client, RJ54N1_OUT_SEL, 4); - if (!ret) - ret = reg_set(client, RJ54N1_BYTE_SWAP, 8, 8); - if (!ret) - ret = reg_write(client, RJ54N1_RA_SEL_UL, 8); - break; - case MEDIA_BUS_FMT_SBGGR10_2X8_PADLO_BE: - ret = reg_write(client, RJ54N1_OUT_SEL, 4); - if (!ret) - ret = reg_set(client, RJ54N1_BYTE_SWAP, 0, 8); - if (!ret) - ret = reg_write(client, RJ54N1_RA_SEL_UL, 0); - break; - case MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_BE: - ret = reg_write(client, RJ54N1_OUT_SEL, 4); - if (!ret) - ret = reg_set(client, RJ54N1_BYTE_SWAP, 0, 8); - if (!ret) - ret = reg_write(client, RJ54N1_RA_SEL_UL, 8); - break; - case MEDIA_BUS_FMT_SBGGR10_1X10: - ret = reg_write(client, RJ54N1_OUT_SEL, 5); - break; - default: - ret = -EINVAL; - } - - /* Special case: a raw mode with 10 bits of data per clock tick */ - if (!ret) - ret = reg_set(client, RJ54N1_OCLK_SEL_EN, - (mf->code == MEDIA_BUS_FMT_SBGGR10_1X10) << 1, 2); - - if (ret < 0) - return ret; - - /* Supported scales 1:1 >= scale > 1:16 */ - max_w = mf->width * (16 * 1024 - 1) / 1024; - if (input_w > max_w) - input_w = max_w; - max_h = mf->height * (16 * 1024 - 1) / 1024; - if (input_h > max_h) - input_h = max_h; - - output_w = mf->width; - output_h = mf->height; - - ret = rj54n1_sensor_scale(sd, &input_w, &input_h, &output_w, &output_h); - if (ret < 0) - return ret; - - fmt = rj54n1_find_datafmt(mf->code, rj54n1_colour_fmts, - ARRAY_SIZE(rj54n1_colour_fmts)); - - rj54n1->fmt = fmt; - rj54n1->resize = ret; - rj54n1->rect.width = input_w; - rj54n1->rect.height = input_h; - rj54n1->width = output_w; - rj54n1->height = output_h; - - mf->width = output_w; - mf->height = output_h; - mf->field = V4L2_FIELD_NONE; - mf->colorspace = fmt->colorspace; - - return 0; -} - -#ifdef CONFIG_VIDEO_ADV_DEBUG -static int rj54n1_g_register(struct v4l2_subdev *sd, - struct v4l2_dbg_register *reg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - if (reg->reg < 0x400 || reg->reg > 0x1fff) - /* Registers > 0x0800 are only available from Sharp support */ - return -EINVAL; - - reg->size = 1; - reg->val = reg_read(client, reg->reg); - - if (reg->val > 0xff) - return -EIO; - - return 0; -} - -static int rj54n1_s_register(struct v4l2_subdev *sd, - const struct v4l2_dbg_register *reg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - if (reg->reg < 0x400 || reg->reg > 0x1fff) - /* Registers >= 0x0800 are only available from Sharp support */ - return -EINVAL; - - if (reg_write(client, reg->reg, reg->val) < 0) - return -EIO; - - return 0; -} -#endif - -static int rj54n1_s_power(struct v4l2_subdev *sd, int on) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); - struct rj54n1 *rj54n1 = to_rj54n1(client); - - return soc_camera_set_power(&client->dev, ssdd, rj54n1->clk, on); -} - -static int rj54n1_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct rj54n1 *rj54n1 = container_of(ctrl->handler, struct rj54n1, hdl); - struct v4l2_subdev *sd = &rj54n1->subdev; - struct i2c_client *client = v4l2_get_subdevdata(sd); - int data; - - switch (ctrl->id) { - case V4L2_CID_VFLIP: - if (ctrl->val) - data = reg_set(client, RJ54N1_MIRROR_STILL_MODE, 0, 1); - else - data = reg_set(client, RJ54N1_MIRROR_STILL_MODE, 1, 1); - if (data < 0) - return -EIO; - return 0; - case V4L2_CID_HFLIP: - if (ctrl->val) - data = reg_set(client, RJ54N1_MIRROR_STILL_MODE, 0, 2); - else - data = reg_set(client, RJ54N1_MIRROR_STILL_MODE, 2, 2); - if (data < 0) - return -EIO; - return 0; - case V4L2_CID_GAIN: - if (reg_write(client, RJ54N1_Y_GAIN, ctrl->val * 2) < 0) - return -EIO; - return 0; - case V4L2_CID_AUTO_WHITE_BALANCE: - /* Auto WB area - whole image */ - if (reg_set(client, RJ54N1_WB_SEL_WEIGHT_I, ctrl->val << 7, - 0x80) < 0) - return -EIO; - rj54n1->auto_wb = ctrl->val; - return 0; - } - - return -EINVAL; -} - -static const struct v4l2_ctrl_ops rj54n1_ctrl_ops = { - .s_ctrl = rj54n1_s_ctrl, -}; - -static const struct v4l2_subdev_core_ops rj54n1_subdev_core_ops = { -#ifdef CONFIG_VIDEO_ADV_DEBUG - .g_register = rj54n1_g_register, - .s_register = rj54n1_s_register, -#endif - .s_power = rj54n1_s_power, -}; - -static int rj54n1_g_mbus_config(struct v4l2_subdev *sd, - struct v4l2_mbus_config *cfg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); - - cfg->flags = - V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING | - V4L2_MBUS_MASTER | V4L2_MBUS_DATA_ACTIVE_HIGH | - V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH; - cfg->type = V4L2_MBUS_PARALLEL; - cfg->flags = soc_camera_apply_board_flags(ssdd, cfg); - - return 0; -} - -static int rj54n1_s_mbus_config(struct v4l2_subdev *sd, - const struct v4l2_mbus_config *cfg) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); - - /* Figures 2.5-1 to 2.5-3 - default falling pixclk edge */ - if (soc_camera_apply_board_flags(ssdd, cfg) & - V4L2_MBUS_PCLK_SAMPLE_RISING) - return reg_write(client, RJ54N1_OUT_SIGPO, 1 << 4); - else - return reg_write(client, RJ54N1_OUT_SIGPO, 0); -} - -static const struct v4l2_subdev_video_ops rj54n1_subdev_video_ops = { - .s_stream = rj54n1_s_stream, - .g_mbus_config = rj54n1_g_mbus_config, - .s_mbus_config = rj54n1_s_mbus_config, -}; - -static const struct v4l2_subdev_pad_ops rj54n1_subdev_pad_ops = { - .enum_mbus_code = rj54n1_enum_mbus_code, - .get_selection = rj54n1_get_selection, - .set_selection = rj54n1_set_selection, - .get_fmt = rj54n1_get_fmt, - .set_fmt = rj54n1_set_fmt, -}; - -static const struct v4l2_subdev_ops rj54n1_subdev_ops = { - .core = &rj54n1_subdev_core_ops, - .video = &rj54n1_subdev_video_ops, - .pad = &rj54n1_subdev_pad_ops, -}; - -/* - * Interface active, can use i2c. If it fails, it can indeed mean, that - * this wasn't our capture interface, so, we wait for the right one - */ -static int rj54n1_video_probe(struct i2c_client *client, - struct rj54n1_pdata *priv) -{ - struct rj54n1 *rj54n1 = to_rj54n1(client); - int data1, data2; - int ret; - - ret = rj54n1_s_power(&rj54n1->subdev, 1); - if (ret < 0) - return ret; - - /* Read out the chip version register */ - data1 = reg_read(client, RJ54N1_DEV_CODE); - data2 = reg_read(client, RJ54N1_DEV_CODE2); - - if (data1 != 0x51 || data2 != 0x10) { - ret = -ENODEV; - dev_info(&client->dev, "No RJ54N1CB0C found, read 0x%x:0x%x\n", - data1, data2); - goto done; - } - - /* Configure IOCTL polarity from the platform data: 0 or 1 << 7. */ - ret = reg_write(client, RJ54N1_IOC, priv->ioctl_high << 7); - if (ret < 0) - goto done; - - dev_info(&client->dev, "Detected a RJ54N1CB0C chip ID 0x%x:0x%x\n", - data1, data2); - - ret = v4l2_ctrl_handler_setup(&rj54n1->hdl); - -done: - rj54n1_s_power(&rj54n1->subdev, 0); - return ret; -} - -static int rj54n1_probe(struct i2c_client *client, - const struct i2c_device_id *did) -{ - struct rj54n1 *rj54n1; - struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); - struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); - struct rj54n1_pdata *rj54n1_priv; - int ret; - - if (!ssdd || !ssdd->drv_priv) { - dev_err(&client->dev, "RJ54N1CB0C: missing platform data!\n"); - return -EINVAL; - } - - rj54n1_priv = ssdd->drv_priv; - - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { - dev_warn(&adapter->dev, - "I2C-Adapter doesn't support I2C_FUNC_SMBUS_BYTE\n"); - return -EIO; - } - - rj54n1 = devm_kzalloc(&client->dev, sizeof(struct rj54n1), GFP_KERNEL); - if (!rj54n1) - return -ENOMEM; - - v4l2_i2c_subdev_init(&rj54n1->subdev, client, &rj54n1_subdev_ops); - v4l2_ctrl_handler_init(&rj54n1->hdl, 4); - v4l2_ctrl_new_std(&rj54n1->hdl, &rj54n1_ctrl_ops, - V4L2_CID_VFLIP, 0, 1, 1, 0); - v4l2_ctrl_new_std(&rj54n1->hdl, &rj54n1_ctrl_ops, - V4L2_CID_HFLIP, 0, 1, 1, 0); - v4l2_ctrl_new_std(&rj54n1->hdl, &rj54n1_ctrl_ops, - V4L2_CID_GAIN, 0, 127, 1, 66); - v4l2_ctrl_new_std(&rj54n1->hdl, &rj54n1_ctrl_ops, - V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1); - rj54n1->subdev.ctrl_handler = &rj54n1->hdl; - if (rj54n1->hdl.error) - return rj54n1->hdl.error; - - rj54n1->clk_div = clk_div; - rj54n1->rect.left = RJ54N1_COLUMN_SKIP; - rj54n1->rect.top = RJ54N1_ROW_SKIP; - rj54n1->rect.width = RJ54N1_MAX_WIDTH; - rj54n1->rect.height = RJ54N1_MAX_HEIGHT; - rj54n1->width = RJ54N1_MAX_WIDTH; - rj54n1->height = RJ54N1_MAX_HEIGHT; - rj54n1->fmt = &rj54n1_colour_fmts[0]; - rj54n1->resize = 1024; - rj54n1->tgclk_mhz = (rj54n1_priv->mclk_freq / PLL_L * PLL_N) / - (clk_div.ratio_tg + 1) / (clk_div.ratio_t + 1); - - rj54n1->clk = v4l2_clk_get(&client->dev, "mclk"); - if (IS_ERR(rj54n1->clk)) { - ret = PTR_ERR(rj54n1->clk); - goto eclkget; - } - - ret = rj54n1_video_probe(client, rj54n1_priv); - if (ret < 0) { - v4l2_clk_put(rj54n1->clk); -eclkget: - v4l2_ctrl_handler_free(&rj54n1->hdl); - } - - return ret; -} - -static int rj54n1_remove(struct i2c_client *client) -{ - struct rj54n1 *rj54n1 = to_rj54n1(client); - struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); - - v4l2_clk_put(rj54n1->clk); - v4l2_device_unregister_subdev(&rj54n1->subdev); - if (ssdd->free_bus) - ssdd->free_bus(ssdd); - v4l2_ctrl_handler_free(&rj54n1->hdl); - - return 0; -} - -static const struct i2c_device_id rj54n1_id[] = { - { "rj54n1cb0c", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, rj54n1_id); - -static struct i2c_driver rj54n1_i2c_driver = { - .driver = { - .name = "rj54n1cb0c", - }, - .probe = rj54n1_probe, - .remove = rj54n1_remove, - .id_table = rj54n1_id, -}; - -module_i2c_driver(rj54n1_i2c_driver); - -MODULE_DESCRIPTION("Sharp RJ54N1CB0C Camera driver"); -MODULE_AUTHOR("Guennadi Liakhovetski <g.liakhovetski@gmx.de>"); -MODULE_LICENSE("GPL v2"); |