diff options
| -rw-r--r-- | drivers/media/video/gspca/sonixb.c | 96 |
1 files changed, 67 insertions, 29 deletions
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c index 5033810f56fc..7f67148a5230 100644 --- a/drivers/media/video/gspca/sonixb.c +++ b/drivers/media/video/gspca/sonixb.c @@ -20,6 +20,26 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* Some documentation on known sonixb registers: + +Reg Use +0x10 high nibble red gain low nibble blue gain +0x11 low nibble green gain +0x12 hstart +0x13 vstart +0x15 hsize (hsize = register-value * 16) +0x16 vsize (vsize = register-value * 16) +0x17 bit 0 toggle compression quality (according to sn9c102 driver) +0x18 bit 7 enables compression, bit 4-5 set image down scaling: + 00 scale 1, 01 scale 1/2, 10, scale 1/4 +0x19 high-nibble is sensor clock divider, changes exposure on sensors which + use a clock generated by the bridge. Some sensors have their own clock. +0x1c auto_exposure area (for avg_lum) startx (startx = register-value * 32) +0x1d auto_exposure area (for avg_lum) starty (starty = register-value * 32) +0x1e auto_exposure area (for avg_lum) stopx (hsize = (0x1e - 0x1c) * 32) +0x1f auto_exposure area (for avg_lum) stopy (vsize = (0x1f - 0x1d) * 32) +*/ + #define MODULE_NAME "sonixb" #include "gspca.h" @@ -74,10 +94,10 @@ struct sensor_data { /* sensor_data flags */ #define F_GAIN 0x01 /* has gain */ #define F_SIF 0x02 /* sif or vga */ -#define F_RAW 0x04 /* sensor tested ok with raw bayer mode */ /* priv field of struct v4l2_pix_format flags (do not use low nibble!) */ #define MODE_RAW 0x10 /* raw bayer mode */ +#define MODE_REDUCED_SIF 0x20 /* vga mode (320x240 / 160x120) on sif cam */ /* ctrl_dis helper macros */ #define NO_EXPO ((1 << EXPOSURE_IDX) | (1 << AUTOGAIN_IDX)) @@ -211,7 +231,7 @@ static struct ctrl sd_ctrls[] = { static struct v4l2_pix_format vga_mode[] = { {160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 160, - .sizeimage = 160 * 120, + .sizeimage = 160 * 120 * 5 / 4, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 2 | MODE_RAW}, {160, 120, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, @@ -231,9 +251,19 @@ static struct v4l2_pix_format vga_mode[] = { .priv = 0}, }; static struct v4l2_pix_format sif_mode[] = { + {160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, + .bytesperline = 160, + .sizeimage = 160 * 120, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 | MODE_RAW | MODE_REDUCED_SIF}, + {160, 120, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, + .bytesperline = 160, + .sizeimage = 160 * 120 * 5 / 4, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 1 | MODE_REDUCED_SIF}, {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 176, - .sizeimage = 176 * 144, + .sizeimage = 176 * 144 * 5 / 4, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 1 | MODE_RAW}, {176, 144, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, @@ -241,6 +271,11 @@ static struct v4l2_pix_format sif_mode[] = { .sizeimage = 176 * 144 * 5 / 4, .colorspace = V4L2_COLORSPACE_SRGB, .priv = 1}, + {320, 240, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, + .bytesperline = 320, + .sizeimage = 320 * 240 * 5 / 4, + .colorspace = V4L2_COLORSPACE_SRGB, + .priv = 0 | MODE_REDUCED_SIF}, {352, 288, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE, .bytesperline = 352, .sizeimage = 352 * 288 * 5 / 4, @@ -266,7 +301,7 @@ static const __u8 initOv6650[] = { 0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x0a, 0x16, 0x12, 0x68, 0x8b, - 0x10, 0x1d, 0x10, 0x00, 0x06, 0x1f, 0x00 + 0x10, 0x1d, 0x10, 0x02, 0x02, 0x09, 0x07 }; static const __u8 ov6650_sensor_init[][8] = { @@ -350,7 +385,7 @@ static const __u8 initPas106[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x01, 0x00, 0x16, 0x12, 0x24, COMP1, MCK_INIT1, - 0x18, 0x10, 0x04, 0x03, 0x11, 0x0c + 0x18, 0x10, 0x02, 0x02, 0x09, 0x07 }; /* compression 0x86 mckinit1 0x2b */ static const __u8 pas106_sensor_init[][8] = { @@ -456,15 +491,14 @@ static const __u8 tas5130_sensor_init[][8] = { struct sensor_data sensor_data[] = { SENS(initHv7131, NULL, hv7131_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ, 0), -SENS(initOv6650, NULL, ov6650_sensor_init, NULL, NULL, F_GAIN|F_SIF|F_RAW, 0, - 0x60), +SENS(initOv6650, NULL, ov6650_sensor_init, NULL, NULL, F_GAIN|F_SIF, 0, 0x60), SENS(initOv7630, initOv7630_3, ov7630_sensor_init, NULL, ov7630_sensor_init_3, F_GAIN, 0, 0x21), SENS(initPas106, NULL, pas106_sensor_init, NULL, NULL, F_SIF, NO_EXPO|NO_FREQ, 0), -SENS(initPas202, initPas202, pas202_sensor_init, NULL, NULL, F_RAW, +SENS(initPas202, initPas202, pas202_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ, 0), -SENS(initTas5110, NULL, tas5110_sensor_init, NULL, NULL, F_GAIN|F_SIF|F_RAW, +SENS(initTas5110, NULL, tas5110_sensor_init, NULL, NULL, F_GAIN|F_SIF, NO_BRIGHTNESS|NO_FREQ, 0), SENS(initTas5130, NULL, tas5130_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ, 0), @@ -834,10 +868,6 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->cam_mode = sif_mode; cam->nmodes = ARRAY_SIZE(sif_mode); } - if (!(sensor_data[sd->sensor].flags & F_RAW)) { - cam->cam_mode++; - cam->nmodes--; - } sd->brightness = BRIGHTNESS_DEF; sd->gain = GAIN_DEF; sd->exposure = EXPOSURE_DEF; @@ -864,31 +894,39 @@ static int sd_init(struct gspca_dev *gspca_dev) static void sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; + struct cam *cam = &gspca_dev->cam; int mode, l; const __u8 *sn9c10x; - __u8 reg17_19[3]; + __u8 reg12_19[8]; - mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv & 0x07; + mode = cam->cam_mode[gspca_dev->curr_mode].priv & 0x07; sn9c10x = sensor_data[sd->sensor].bridge_init[sd->bridge]; l = sensor_data[sd->sensor].bridge_init_size[sd->bridge]; - reg17_19[0] = sn9c10x[0x17 - 1]; - reg17_19[1] = sn9c10x[0x18 - 1] | (mode << 4); - reg17_19[2] = sn9c10x[0x19 - 1]; + memcpy(reg12_19, &sn9c10x[0x12 - 1], 8); + reg12_19[6] = sn9c10x[0x18 - 1] | (mode << 4); /* Special cases where reg 17 and or 19 value depends on mode */ switch (sd->sensor) { case SENSOR_PAS202: - reg17_19[0] = mode ? 0x24 : 0x20; + reg12_19[5] = mode ? 0x24 : 0x20; break; case SENSOR_TAS5130CXX: /* probably not mode specific at all most likely the upper nibble of 0x19 is exposure (clock divider) just as with the tas5110, we need someone to test this. */ - reg17_19[2] = mode ? 0x23 : 0x43; + reg12_19[7] = mode ? 0x23 : 0x43; break; } /* Disable compression when the raw bayer format has been selected */ - if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv & MODE_RAW) - reg17_19[1] &= ~0x80; + if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_RAW) + reg12_19[6] &= ~0x80; + + /* Vga mode emulation on SIF sensor? */ + if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_REDUCED_SIF) { + reg12_19[0] += 16; /* 0x12: hstart adjust */ + reg12_19[1] += 24; /* 0x13: vstart adjust */ + reg12_19[3] = 320 / 16; /* 0x15: hsize */ + reg12_19[4] = 240 / 16; /* 0x16: vsize */ + } /* reg 0x01 bit 2 video transfert on */ reg_w(gspca_dev, 0x01, &sn9c10x[0x01 - 1], 1); @@ -907,24 +945,24 @@ static void sd_start(struct gspca_dev *gspca_dev) sd->bridge]); /* H_size V_size 0x28, 0x1e -> 640x480. 0x16, 0x12 -> 352x288 */ - reg_w(gspca_dev, 0x15, &sn9c10x[0x15 - 1], 2); + reg_w(gspca_dev, 0x15, ®12_19[3], 2); /* compression register */ - reg_w(gspca_dev, 0x18, ®17_19[1], 1); + reg_w(gspca_dev, 0x18, ®12_19[6], 1); /* H_start */ - reg_w(gspca_dev, 0x12, &sn9c10x[0x12 - 1], 1); + reg_w(gspca_dev, 0x12, ®12_19[0], 1); /* V_START */ - reg_w(gspca_dev, 0x13, &sn9c10x[0x13 - 1], 1); + reg_w(gspca_dev, 0x13, ®12_19[1], 1); /* reset 0x17 SensorClk enable inv Clk 0x60 */ /*fixme: ov7630 [17]=68 8f (+20 if 102)*/ - reg_w(gspca_dev, 0x17, ®17_19[0], 1); + reg_w(gspca_dev, 0x17, ®12_19[5], 1); /*MCKSIZE ->3 */ /*fixme: not ov7630*/ - reg_w(gspca_dev, 0x19, ®17_19[2], 1); + reg_w(gspca_dev, 0x19, ®12_19[7], 1); /* AE_STRX AE_STRY AE_ENDX AE_ENDY */ reg_w(gspca_dev, 0x1c, &sn9c10x[0x1c - 1], 4); /* Enable video transfert */ reg_w(gspca_dev, 0x01, &sn9c10x[0], 1); /* Compression */ - reg_w(gspca_dev, 0x18, ®17_19[1], 2); + reg_w(gspca_dev, 0x18, ®12_19[6], 2); msleep(20); sd->reg11 = -1; |
