| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jaime Velasco Juan | 2579 | 99.04% | 2 | 28.57% |
| Joe Perches | 18 | 0.69% | 1 | 14.29% |
| Thomas Gleixner | 2 | 0.08% | 1 | 14.29% |
| Dan Carpenter | 2 | 0.08% | 1 | 14.29% |
| Adrian Bunk | 2 | 0.08% | 1 | 14.29% |
| Mauro Carvalho Chehab | 1 | 0.04% | 1 | 14.29% |
| Total | 2604 | 7 |
// SPDX-License-Identifier: GPL-2.0-or-later /* stk-sensor.c: Driver for ov96xx sensor (used in some Syntek webcams) * * Copyright 2007-2008 Jaime Velasco Juan <jsagarribay@gmail.com> * * Some parts derived from ov7670.c: * Copyright 2006 One Laptop Per Child Association, Inc. Written * by Jonathan Corbet with substantial inspiration from Mark * McClelland's ovcamchip code. * * Copyright 2006-7 Jonathan Corbet <corbet@lwn.net> * * This file may be distributed under the terms of the GNU General */ /* Controlling the sensor via the STK1125 vendor specific control interface: * The camera uses an OmniVision sensor and the stk1125 provides an * SCCB(i2c)-USB bridge which let us program the sensor. * In my case the sensor id is 0x9652, it can be read from sensor's register * 0x0A and 0x0B as follows: * - read register #R: * output #R to index 0x0208 * output 0x0070 to index 0x0200 * input 1 byte from index 0x0201 (some kind of status register) * until its value is 0x01 * input 1 byte from index 0x0209. This is the value of #R * - write value V to register #R * output #R to index 0x0204 * output V to index 0x0205 * output 0x0005 to index 0x0200 * input 1 byte from index 0x0201 until its value becomes 0x04 */ /* It seems the i2c bus is controlled with these registers */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include "stk-webcam.h" #define STK_IIC_BASE (0x0200) # define STK_IIC_OP (STK_IIC_BASE) # define STK_IIC_OP_TX (0x05) # define STK_IIC_OP_RX (0x70) # define STK_IIC_STAT (STK_IIC_BASE+1) # define STK_IIC_STAT_TX_OK (0x04) # define STK_IIC_STAT_RX_OK (0x01) /* I don't know what does this register. * when it is 0x00 or 0x01, we cannot talk to the sensor, * other values work */ # define STK_IIC_ENABLE (STK_IIC_BASE+2) # define STK_IIC_ENABLE_NO (0x00) /* This is what the driver writes in windows */ # define STK_IIC_ENABLE_YES (0x1e) /* * Address of the slave. Seems like the binary driver look for the * sensor in multiple places, attempting a reset sequence. * We only know about the ov9650 */ # define STK_IIC_ADDR (STK_IIC_BASE+3) # define STK_IIC_TX_INDEX (STK_IIC_BASE+4) # define STK_IIC_TX_VALUE (STK_IIC_BASE+5) # define STK_IIC_RX_INDEX (STK_IIC_BASE+8) # define STK_IIC_RX_VALUE (STK_IIC_BASE+9) #define MAX_RETRIES (50) #define SENSOR_ADDRESS (0x60) /* From ov7670.c (These registers aren't fully accurate) */ /* Registers */ #define REG_GAIN 0x00 /* Gain lower 8 bits (rest in vref) */ #define REG_BLUE 0x01 /* blue gain */ #define REG_RED 0x02 /* red gain */ #define REG_VREF 0x03 /* Pieces of GAIN, VSTART, VSTOP */ #define REG_COM1 0x04 /* Control 1 */ #define COM1_CCIR656 0x40 /* CCIR656 enable */ #define COM1_QFMT 0x20 /* QVGA/QCIF format */ #define COM1_SKIP_0 0x00 /* Do not skip any row */ #define COM1_SKIP_2 0x04 /* Skip 2 rows of 4 */ #define COM1_SKIP_3 0x08 /* Skip 3 rows of 4 */ #define REG_BAVE 0x05 /* U/B Average level */ #define REG_GbAVE 0x06 /* Y/Gb Average level */ #define REG_AECHH 0x07 /* AEC MS 5 bits */ #define REG_RAVE 0x08 /* V/R Average level */ #define REG_COM2 0x09 /* Control 2 */ #define COM2_SSLEEP 0x10 /* Soft sleep mode */ #define REG_PID 0x0a /* Product ID MSB */ #define REG_VER 0x0b /* Product ID LSB */ #define REG_COM3 0x0c /* Control 3 */ #define COM3_SWAP 0x40 /* Byte swap */ #define COM3_SCALEEN 0x08 /* Enable scaling */ #define COM3_DCWEN 0x04 /* Enable downsamp/crop/window */ #define REG_COM4 0x0d /* Control 4 */ #define REG_COM5 0x0e /* All "reserved" */ #define REG_COM6 0x0f /* Control 6 */ #define REG_AECH 0x10 /* More bits of AEC value */ #define REG_CLKRC 0x11 /* Clock control */ #define CLK_PLL 0x80 /* Enable internal PLL */ #define CLK_EXT 0x40 /* Use external clock directly */ #define CLK_SCALE 0x3f /* Mask for internal clock scale */ #define REG_COM7 0x12 /* Control 7 */ #define COM7_RESET 0x80 /* Register reset */ #define COM7_FMT_MASK 0x38 #define COM7_FMT_SXGA 0x00 #define COM7_FMT_VGA 0x40 #define COM7_FMT_CIF 0x20 /* CIF format */ #define COM7_FMT_QVGA 0x10 /* QVGA format */ #define COM7_FMT_QCIF 0x08 /* QCIF format */ #define COM7_RGB 0x04 /* bits 0 and 2 - RGB format */ #define COM7_YUV 0x00 /* YUV */ #define COM7_BAYER 0x01 /* Bayer format */ #define COM7_PBAYER 0x05 /* "Processed bayer" */ #define REG_COM8 0x13 /* Control 8 */ #define COM8_FASTAEC 0x80 /* Enable fast AGC/AEC */ #define COM8_AECSTEP 0x40 /* Unlimited AEC step size */ #define COM8_BFILT 0x20 /* Band filter enable */ #define COM8_AGC 0x04 /* Auto gain enable */ #define COM8_AWB 0x02 /* White balance enable */ #define COM8_AEC 0x01 /* Auto exposure enable */ #define REG_COM9 0x14 /* Control 9 - gain ceiling */ #define REG_COM10 0x15 /* Control 10 */ #define COM10_HSYNC 0x40 /* HSYNC instead of HREF */ #define COM10_PCLK_HB 0x20 /* Suppress PCLK on horiz blank */ #define COM10_HREF_REV 0x08 /* Reverse HREF */ #define COM10_VS_LEAD 0x04 /* VSYNC on clock leading edge */ #define COM10_VS_NEG 0x02 /* VSYNC negative */ #define COM10_HS_NEG 0x01 /* HSYNC negative */ #define REG_HSTART 0x17 /* Horiz start high bits */ #define REG_HSTOP 0x18 /* Horiz stop high bits */ #define REG_VSTART 0x19 /* Vert start high bits */ #define REG_VSTOP 0x1a /* Vert stop high bits */ #define REG_PSHFT 0x1b /* Pixel delay after HREF */ #define REG_MIDH 0x1c /* Manuf. ID high */ #define REG_MIDL 0x1d /* Manuf. ID low */ #define REG_MVFP 0x1e /* Mirror / vflip */ #define MVFP_MIRROR 0x20 /* Mirror image */ #define MVFP_FLIP 0x10 /* Vertical flip */ #define REG_AEW 0x24 /* AGC upper limit */ #define REG_AEB 0x25 /* AGC lower limit */ #define REG_VPT 0x26 /* AGC/AEC fast mode op region */ #define REG_ADVFL 0x2d /* Insert dummy lines (LSB) */ #define REG_ADVFH 0x2e /* Insert dummy lines (MSB) */ #define REG_HSYST 0x30 /* HSYNC rising edge delay */ #define REG_HSYEN 0x31 /* HSYNC falling edge delay */ #define REG_HREF 0x32 /* HREF pieces */ #define REG_TSLB 0x3a /* lots of stuff */ #define TSLB_YLAST 0x04 /* UYVY or VYUY - see com13 */ #define TSLB_BYTEORD 0x08 /* swap bytes in 16bit mode? */ #define REG_COM11 0x3b /* Control 11 */ #define COM11_NIGHT 0x80 /* NIght mode enable */ #define COM11_NMFR 0x60 /* Two bit NM frame rate */ #define COM11_HZAUTO 0x10 /* Auto detect 50/60 Hz */ #define COM11_50HZ 0x08 /* Manual 50Hz select */ #define COM11_EXP 0x02 #define REG_COM12 0x3c /* Control 12 */ #define COM12_HREF 0x80 /* HREF always */ #define REG_COM13 0x3d /* Control 13 */ #define COM13_GAMMA 0x80 /* Gamma enable */ #define COM13_UVSAT 0x40 /* UV saturation auto adjustment */ #define COM13_CMATRIX 0x10 /* Enable color matrix for RGB or YUV */ #define COM13_UVSWAP 0x01 /* V before U - w/TSLB */ #define REG_COM14 0x3e /* Control 14 */ #define COM14_DCWEN 0x10 /* DCW/PCLK-scale enable */ #define REG_EDGE 0x3f /* Edge enhancement factor */ #define REG_COM15 0x40 /* Control 15 */ #define COM15_R10F0 0x00 /* Data range 10 to F0 */ #define COM15_R01FE 0x80 /* 01 to FE */ #define COM15_R00FF 0xc0 /* 00 to FF */ #define COM15_RGB565 0x10 /* RGB565 output */ #define COM15_RGBFIXME 0x20 /* FIXME */ #define COM15_RGB555 0x30 /* RGB555 output */ #define REG_COM16 0x41 /* Control 16 */ #define COM16_AWBGAIN 0x08 /* AWB gain enable */ #define REG_COM17 0x42 /* Control 17 */ #define COM17_AECWIN 0xc0 /* AEC window - must match COM4 */ #define COM17_CBAR 0x08 /* DSP Color bar */ /* * This matrix defines how the colors are generated, must be * tweaked to adjust hue and saturation. * * Order: v-red, v-green, v-blue, u-red, u-green, u-blue * * They are nine-bit signed quantities, with the sign bit * stored in 0x58. Sign for v-red is bit 0, and up from there. */ #define REG_CMATRIX_BASE 0x4f #define CMATRIX_LEN 6 #define REG_CMATRIX_SIGN 0x58 #define REG_BRIGHT 0x55 /* Brightness */ #define REG_CONTRAS 0x56 /* Contrast control */ #define REG_GFIX 0x69 /* Fix gain control */ #define REG_RGB444 0x8c /* RGB 444 control */ #define R444_ENABLE 0x02 /* Turn on RGB444, overrides 5x5 */ #define R444_RGBX 0x01 /* Empty nibble at end */ #define REG_HAECC1 0x9f /* Hist AEC/AGC control 1 */ #define REG_HAECC2 0xa0 /* Hist AEC/AGC control 2 */ #define REG_BD50MAX 0xa5 /* 50hz banding step limit */ #define REG_HAECC3 0xa6 /* Hist AEC/AGC control 3 */ #define REG_HAECC4 0xa7 /* Hist AEC/AGC control 4 */ #define REG_HAECC5 0xa8 /* Hist AEC/AGC control 5 */ #define REG_HAECC6 0xa9 /* Hist AEC/AGC control 6 */ #define REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */ #define REG_BD60MAX 0xab /* 60hz banding step limit */ /* Returns 0 if OK */ static int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val) { int i = 0; u8 tmpval = 0; if (stk_camera_write_reg(dev, STK_IIC_TX_INDEX, reg)) return 1; if (stk_camera_write_reg(dev, STK_IIC_TX_VALUE, val)) return 1; if (stk_camera_write_reg(dev, STK_IIC_OP, STK_IIC_OP_TX)) return 1; do { if (stk_camera_read_reg(dev, STK_IIC_STAT, &tmpval)) return 1; i++; } while (tmpval == 0 && i < MAX_RETRIES); if (tmpval != STK_IIC_STAT_TX_OK) { if (tmpval) pr_err("stk_sensor_outb failed, status=0x%02x\n", tmpval); return 1; } else return 0; } static int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val) { int i = 0; u8 tmpval = 0; if (stk_camera_write_reg(dev, STK_IIC_RX_INDEX, reg)) return 1; if (stk_camera_write_reg(dev, STK_IIC_OP, STK_IIC_OP_RX)) return 1; do { if (stk_camera_read_reg(dev, STK_IIC_STAT, &tmpval)) return 1; i++; } while (tmpval == 0 && i < MAX_RETRIES); if (tmpval != STK_IIC_STAT_RX_OK) { if (tmpval) pr_err("stk_sensor_inb failed, status=0x%02x\n", tmpval); return 1; } if (stk_camera_read_reg(dev, STK_IIC_RX_VALUE, &tmpval)) return 1; *val = tmpval; return 0; } static int stk_sensor_write_regvals(struct stk_camera *dev, struct regval *rv) { int ret; if (rv == NULL) return 0; while (rv->reg != 0xff || rv->val != 0xff) { ret = stk_sensor_outb(dev, rv->reg, rv->val); if (ret != 0) return ret; rv++; } return 0; } int stk_sensor_sleep(struct stk_camera *dev) { u8 tmp; return stk_sensor_inb(dev, REG_COM2, &tmp) || stk_sensor_outb(dev, REG_COM2, tmp|COM2_SSLEEP); } int stk_sensor_wakeup(struct stk_camera *dev) { u8 tmp; return stk_sensor_inb(dev, REG_COM2, &tmp) || stk_sensor_outb(dev, REG_COM2, tmp&~COM2_SSLEEP); } static struct regval ov_initvals[] = { {REG_CLKRC, CLK_PLL}, {REG_COM11, 0x01}, {0x6a, 0x7d}, {REG_AECH, 0x40}, {REG_GAIN, 0x00}, {REG_BLUE, 0x80}, {REG_RED, 0x80}, /* Do not enable fast AEC for now */ /*{REG_COM8, COM8_FASTAEC|COM8_AECSTEP|COM8_BFILT|COM8_AGC|COM8_AEC},*/ {REG_COM8, COM8_AECSTEP|COM8_BFILT|COM8_AGC|COM8_AEC}, {0x39, 0x50}, {0x38, 0x93}, {0x37, 0x00}, {0x35, 0x81}, {REG_COM5, 0x20}, {REG_COM1, 0x00}, {REG_COM3, 0x00}, {REG_COM4, 0x00}, {REG_PSHFT, 0x00}, {0x16, 0x07}, {0x33, 0xe2}, {0x34, 0xbf}, {REG_COM16, 0x00}, {0x96, 0x04}, /* Gamma curve values */ /* { 0x7a, 0x20 }, { 0x7b, 0x10 }, { 0x7c, 0x1e }, { 0x7d, 0x35 }, { 0x7e, 0x5a }, { 0x7f, 0x69 }, { 0x80, 0x76 }, { 0x81, 0x80 }, { 0x82, 0x88 }, { 0x83, 0x8f }, { 0x84, 0x96 }, { 0x85, 0xa3 }, { 0x86, 0xaf }, { 0x87, 0xc4 }, { 0x88, 0xd7 }, { 0x89, 0xe8 }, */ {REG_GFIX, 0x40}, {0x8e, 0x00}, {REG_COM12, 0x73}, {0x8f, 0xdf}, {0x8b, 0x06}, {0x8c, 0x20}, {0x94, 0x88}, {0x95, 0x88}, /* {REG_COM15, 0xc1}, TODO */ {0x29, 0x3f}, {REG_COM6, 0x42}, {REG_BD50MAX, 0x80}, {REG_HAECC6, 0xb8}, {REG_HAECC7, 0x92}, {REG_BD60MAX, 0x0a}, {0x90, 0x00}, {0x91, 0x00}, {REG_HAECC1, 0x00}, {REG_HAECC2, 0x00}, {REG_AEW, 0x68}, {REG_AEB, 0x5c}, {REG_VPT, 0xc3}, {REG_COM9, 0x2e}, {0x2a, 0x00}, {0x2b, 0x00}, {0xff, 0xff}, /* END MARKER */ }; /* Probe the I2C bus and initialise the sensor chip */ int stk_sensor_init(struct stk_camera *dev) { u8 idl = 0; u8 idh = 0; if (stk_camera_write_reg(dev, STK_IIC_ENABLE, STK_IIC_ENABLE_YES) || stk_camera_write_reg(dev, STK_IIC_ADDR, SENSOR_ADDRESS) || stk_sensor_outb(dev, REG_COM7, COM7_RESET)) { pr_err("Sensor resetting failed\n"); return -ENODEV; } msleep(10); /* Read the manufacturer ID: ov = 0x7FA2 */ if (stk_sensor_inb(dev, REG_MIDH, &idh) || stk_sensor_inb(dev, REG_MIDL, &idl)) { pr_err("Strange error reading sensor ID\n"); return -ENODEV; } if (idh != 0x7f || idl != 0xa2) { pr_err("Huh? you don't have a sensor from ovt\n"); return -ENODEV; } if (stk_sensor_inb(dev, REG_PID, &idh) || stk_sensor_inb(dev, REG_VER, &idl)) { pr_err("Could not read sensor model\n"); return -ENODEV; } stk_sensor_write_regvals(dev, ov_initvals); msleep(10); pr_info("OmniVision sensor detected, id %02X%02X at address %x\n", idh, idl, SENSOR_ADDRESS); return 0; } /* V4L2_PIX_FMT_UYVY */ static struct regval ov_fmt_uyvy[] = { {REG_TSLB, TSLB_YLAST|0x08 }, { 0x4f, 0x80 }, /* "matrix coefficient 1" */ { 0x50, 0x80 }, /* "matrix coefficient 2" */ { 0x51, 0 }, /* vb */ { 0x52, 0x22 }, /* "matrix coefficient 4" */ { 0x53, 0x5e }, /* "matrix coefficient 5" */ { 0x54, 0x80 }, /* "matrix coefficient 6" */ {REG_COM13, COM13_UVSAT|COM13_CMATRIX}, {REG_COM15, COM15_R00FF }, {0xff, 0xff}, /* END MARKER */ }; /* V4L2_PIX_FMT_YUYV */ static struct regval ov_fmt_yuyv[] = { {REG_TSLB, 0 }, { 0x4f, 0x80 }, /* "matrix coefficient 1" */ { 0x50, 0x80 }, /* "matrix coefficient 2" */ { 0x51, 0 }, /* vb */ { 0x52, 0x22 }, /* "matrix coefficient 4" */ { 0x53, 0x5e }, /* "matrix coefficient 5" */ { 0x54, 0x80 }, /* "matrix coefficient 6" */ {REG_COM13, COM13_UVSAT|COM13_CMATRIX}, {REG_COM15, COM15_R00FF }, {0xff, 0xff}, /* END MARKER */ }; /* V4L2_PIX_FMT_RGB565X rrrrrggg gggbbbbb */ static struct regval ov_fmt_rgbr[] = { { REG_RGB444, 0 }, /* No RGB444 please */ {REG_TSLB, 0x00}, { REG_COM1, 0x0 }, { REG_COM9, 0x38 }, /* 16x gain ceiling; 0x8 is reserved bit */ { 0x4f, 0xb3 }, /* "matrix coefficient 1" */ { 0x50, 0xb3 }, /* "matrix coefficient 2" */ { 0x51, 0 }, /* vb */ { 0x52, 0x3d }, /* "matrix coefficient 4" */ { 0x53, 0xa7 }, /* "matrix coefficient 5" */ { 0x54, 0xe4 }, /* "matrix coefficient 6" */ { REG_COM13, COM13_GAMMA }, { REG_COM15, COM15_RGB565|COM15_R00FF }, { 0xff, 0xff }, }; /* V4L2_PIX_FMT_RGB565 gggbbbbb rrrrrggg */ static struct regval ov_fmt_rgbp[] = { { REG_RGB444, 0 }, /* No RGB444 please */ {REG_TSLB, TSLB_BYTEORD }, { REG_COM1, 0x0 }, { REG_COM9, 0x38 }, /* 16x gain ceiling; 0x8 is reserved bit */ { 0x4f, 0xb3 }, /* "matrix coefficient 1" */ { 0x50, 0xb3 }, /* "matrix coefficient 2" */ { 0x51, 0 }, /* vb */ { 0x52, 0x3d }, /* "matrix coefficient 4" */ { 0x53, 0xa7 }, /* "matrix coefficient 5" */ { 0x54, 0xe4 }, /* "matrix coefficient 6" */ { REG_COM13, COM13_GAMMA }, { REG_COM15, COM15_RGB565|COM15_R00FF }, { 0xff, 0xff }, }; /* V4L2_PIX_FMT_SRGGB8 */ static struct regval ov_fmt_bayer[] = { /* This changes color order */ {REG_TSLB, 0x40}, /* BGGR */ /* {REG_TSLB, 0x08}, */ /* BGGR with vertical image flipping */ {REG_COM15, COM15_R00FF }, {0xff, 0xff}, /* END MARKER */ }; /* * Store a set of start/stop values into the camera. */ static int stk_sensor_set_hw(struct stk_camera *dev, int hstart, int hstop, int vstart, int vstop) { int ret; unsigned char v; /* * Horizontal: 11 bits, top 8 live in hstart and hstop. Bottom 3 of * hstart are in href[2:0], bottom 3 of hstop in href[5:3]. There is * a mystery "edge offset" value in the top two bits of href. */ ret = stk_sensor_outb(dev, REG_HSTART, (hstart >> 3) & 0xff); ret += stk_sensor_outb(dev, REG_HSTOP, (hstop >> 3) & 0xff); ret += stk_sensor_inb(dev, REG_HREF, &v); v = (v & 0xc0) | ((hstop & 0x7) << 3) | (hstart & 0x7); msleep(10); ret += stk_sensor_outb(dev, REG_HREF, v); /* * Vertical: similar arrangement (note: this is different from ov7670.c) */ ret += stk_sensor_outb(dev, REG_VSTART, (vstart >> 3) & 0xff); ret += stk_sensor_outb(dev, REG_VSTOP, (vstop >> 3) & 0xff); ret += stk_sensor_inb(dev, REG_VREF, &v); v = (v & 0xc0) | ((vstop & 0x7) << 3) | (vstart & 0x7); msleep(10); ret += stk_sensor_outb(dev, REG_VREF, v); return ret; } int stk_sensor_configure(struct stk_camera *dev) { int com7; /* * We setup the sensor to output dummy lines in low-res modes, * so we don't get absurdly hight framerates. */ unsigned dummylines; int flip; struct regval *rv; switch (dev->vsettings.mode) { case MODE_QCIF: com7 = COM7_FMT_QCIF; dummylines = 604; break; case MODE_QVGA: com7 = COM7_FMT_QVGA; dummylines = 267; break; case MODE_CIF: com7 = COM7_FMT_CIF; dummylines = 412; break; case MODE_VGA: com7 = COM7_FMT_VGA; dummylines = 11; break; case MODE_SXGA: com7 = COM7_FMT_SXGA; dummylines = 0; break; default: pr_err("Unsupported mode %d\n", dev->vsettings.mode); return -EFAULT; } switch (dev->vsettings.palette) { case V4L2_PIX_FMT_UYVY: com7 |= COM7_YUV; rv = ov_fmt_uyvy; break; case V4L2_PIX_FMT_YUYV: com7 |= COM7_YUV; rv = ov_fmt_yuyv; break; case V4L2_PIX_FMT_RGB565: com7 |= COM7_RGB; rv = ov_fmt_rgbp; break; case V4L2_PIX_FMT_RGB565X: com7 |= COM7_RGB; rv = ov_fmt_rgbr; break; case V4L2_PIX_FMT_SBGGR8: com7 |= COM7_PBAYER; rv = ov_fmt_bayer; break; default: pr_err("Unsupported colorspace\n"); return -EFAULT; } /*FIXME sometimes the sensor go to a bad state stk_sensor_write_regvals(dev, ov_initvals); */ stk_sensor_outb(dev, REG_COM7, com7); msleep(50); stk_sensor_write_regvals(dev, rv); flip = (dev->vsettings.vflip?MVFP_FLIP:0) | (dev->vsettings.hflip?MVFP_MIRROR:0); stk_sensor_outb(dev, REG_MVFP, flip); if (dev->vsettings.palette == V4L2_PIX_FMT_SBGGR8 && !dev->vsettings.vflip) stk_sensor_outb(dev, REG_TSLB, 0x08); stk_sensor_outb(dev, REG_ADVFH, dummylines >> 8); stk_sensor_outb(dev, REG_ADVFL, dummylines & 0xff); msleep(50); switch (dev->vsettings.mode) { case MODE_VGA: if (stk_sensor_set_hw(dev, 302, 1582, 6, 486)) pr_err("stk_sensor_set_hw failed (VGA)\n"); break; case MODE_SXGA: case MODE_CIF: case MODE_QVGA: case MODE_QCIF: /*FIXME These settings seem ignored by the sensor if (stk_sensor_set_hw(dev, 220, 1500, 10, 1034)) pr_err("stk_sensor_set_hw failed (SXGA)\n"); */ break; } msleep(10); return 0; } int stk_sensor_set_brightness(struct stk_camera *dev, int br) { if (br < 0 || br > 0xff) return -EINVAL; stk_sensor_outb(dev, REG_AEB, max(0x00, br - 6)); stk_sensor_outb(dev, REG_AEW, min(0xff, br + 6)); return 0; }
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