| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004) |
| * |
| * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #define MODULE_NAME "etoms" |
| |
| #include "gspca.h" |
| |
| MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); |
| MODULE_DESCRIPTION("Etoms USB Camera Driver"); |
| MODULE_LICENSE("GPL"); |
| |
| /* specific webcam descriptor */ |
| struct sd { |
| struct gspca_dev gspca_dev; /* !! must be the first item */ |
| |
| unsigned char autogain; |
| |
| char sensor; |
| #define SENSOR_PAS106 0 |
| #define SENSOR_TAS5130CXX 1 |
| signed char ag_cnt; |
| #define AG_CNT_START 13 |
| }; |
| |
| static const struct v4l2_pix_format vga_mode[] = { |
| {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, |
| .bytesperline = 320, |
| .sizeimage = 320 * 240, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 1}, |
| /* {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, |
| .bytesperline = 640, |
| .sizeimage = 640 * 480, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 0}, */ |
| }; |
| |
| static const struct v4l2_pix_format sif_mode[] = { |
| {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, |
| .bytesperline = 176, |
| .sizeimage = 176 * 144, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 1}, |
| {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, |
| .bytesperline = 352, |
| .sizeimage = 352 * 288, |
| .colorspace = V4L2_COLORSPACE_SRGB, |
| .priv = 0}, |
| }; |
| |
| #define ETOMS_ALT_SIZE_1000 12 |
| |
| #define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */ |
| #define ET_GPIO_OUT 0x05 /* Only IO data */ |
| #define ET_GPIO_IN 0x06 /* Read Only IO data */ |
| #define ET_RESET_ALL 0x03 |
| #define ET_ClCK 0x01 |
| #define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */ |
| |
| #define ET_COMP 0x12 /* Compression register */ |
| #define ET_MAXQt 0x13 |
| #define ET_MINQt 0x14 |
| #define ET_COMP_VAL0 0x02 |
| #define ET_COMP_VAL1 0x03 |
| |
| #define ET_REG1d 0x1d |
| #define ET_REG1e 0x1e |
| #define ET_REG1f 0x1f |
| #define ET_REG20 0x20 |
| #define ET_REG21 0x21 |
| #define ET_REG22 0x22 |
| #define ET_REG23 0x23 |
| #define ET_REG24 0x24 |
| #define ET_REG25 0x25 |
| /* base registers for luma calculation */ |
| #define ET_LUMA_CENTER 0x39 |
| |
| #define ET_G_RED 0x4d |
| #define ET_G_GREEN1 0x4e |
| #define ET_G_BLUE 0x4f |
| #define ET_G_GREEN2 0x50 |
| #define ET_G_GR_H 0x51 |
| #define ET_G_GB_H 0x52 |
| |
| #define ET_O_RED 0x34 |
| #define ET_O_GREEN1 0x35 |
| #define ET_O_BLUE 0x36 |
| #define ET_O_GREEN2 0x37 |
| |
| #define ET_SYNCHRO 0x68 |
| #define ET_STARTX 0x69 |
| #define ET_STARTY 0x6a |
| #define ET_WIDTH_LOW 0x6b |
| #define ET_HEIGTH_LOW 0x6c |
| #define ET_W_H_HEIGTH 0x6d |
| |
| #define ET_REG6e 0x6e /* OBW */ |
| #define ET_REG6f 0x6f /* OBW */ |
| #define ET_REG70 0x70 /* OBW_AWB */ |
| #define ET_REG71 0x71 /* OBW_AWB */ |
| #define ET_REG72 0x72 /* OBW_AWB */ |
| #define ET_REG73 0x73 /* Clkdelay ns */ |
| #define ET_REG74 0x74 /* test pattern */ |
| #define ET_REG75 0x75 /* test pattern */ |
| |
| #define ET_I2C_CLK 0x8c |
| #define ET_PXL_CLK 0x60 |
| |
| #define ET_I2C_BASE 0x89 |
| #define ET_I2C_COUNT 0x8a |
| #define ET_I2C_PREFETCH 0x8b |
| #define ET_I2C_REG 0x88 |
| #define ET_I2C_DATA7 0x87 |
| #define ET_I2C_DATA6 0x86 |
| #define ET_I2C_DATA5 0x85 |
| #define ET_I2C_DATA4 0x84 |
| #define ET_I2C_DATA3 0x83 |
| #define ET_I2C_DATA2 0x82 |
| #define ET_I2C_DATA1 0x81 |
| #define ET_I2C_DATA0 0x80 |
| |
| #define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */ |
| #define PAS106_REG3 0x03 /* line/frame H [11..4] */ |
| #define PAS106_REG4 0x04 /* line/frame L [3..0] */ |
| #define PAS106_REG5 0x05 /* exposure time line offset(default 5) */ |
| #define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */ |
| #define PAS106_REG7 0x07 /* signbit Dac (default 0) */ |
| #define PAS106_REG9 0x09 |
| #define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */ |
| #define PAS106_REG13 0x13 /* end i2c write */ |
| |
| static const __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; |
| |
| static const __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d }; |
| |
| static const __u8 I2c3[] = { 0x12, 0x05 }; |
| |
| static const __u8 I2c4[] = { 0x41, 0x08 }; |
| |
| /* read 'len' bytes to gspca_dev->usb_buf */ |
| static void reg_r(struct gspca_dev *gspca_dev, |
| __u16 index, |
| __u16 len) |
| { |
| struct usb_device *dev = gspca_dev->dev; |
| |
| if (len > USB_BUF_SZ) { |
| gspca_err(gspca_dev, "reg_r: buffer overflow\n"); |
| return; |
| } |
| |
| usb_control_msg(dev, |
| usb_rcvctrlpipe(dev, 0), |
| 0, |
| USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, |
| 0, |
| index, gspca_dev->usb_buf, len, 500); |
| gspca_dbg(gspca_dev, D_USBI, "reg read [%02x] -> %02x ..\n", |
| index, gspca_dev->usb_buf[0]); |
| } |
| |
| static void reg_w_val(struct gspca_dev *gspca_dev, |
| __u16 index, |
| __u8 val) |
| { |
| struct usb_device *dev = gspca_dev->dev; |
| |
| gspca_dev->usb_buf[0] = val; |
| usb_control_msg(dev, |
| usb_sndctrlpipe(dev, 0), |
| 0, |
| USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, |
| 0, |
| index, gspca_dev->usb_buf, 1, 500); |
| } |
| |
| static void reg_w(struct gspca_dev *gspca_dev, |
| __u16 index, |
| const __u8 *buffer, |
| __u16 len) |
| { |
| struct usb_device *dev = gspca_dev->dev; |
| |
| if (len > USB_BUF_SZ) { |
| pr_err("reg_w: buffer overflow\n"); |
| return; |
| } |
| gspca_dbg(gspca_dev, D_USBO, "reg write [%02x] = %02x..\n", |
| index, *buffer); |
| |
| memcpy(gspca_dev->usb_buf, buffer, len); |
| usb_control_msg(dev, |
| usb_sndctrlpipe(dev, 0), |
| 0, |
| USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, |
| 0, index, gspca_dev->usb_buf, len, 500); |
| } |
| |
| static int i2c_w(struct gspca_dev *gspca_dev, |
| __u8 reg, |
| const __u8 *buffer, |
| int len, __u8 mode) |
| { |
| /* buffer should be [D0..D7] */ |
| __u8 ptchcount; |
| |
| /* set the base address */ |
| reg_w_val(gspca_dev, ET_I2C_BASE, 0x40); |
| /* sensor base for the pas106 */ |
| /* set count and prefetch */ |
| ptchcount = ((len & 0x07) << 4) | (mode & 0x03); |
| reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount); |
| /* set the register base */ |
| reg_w_val(gspca_dev, ET_I2C_REG, reg); |
| while (--len >= 0) |
| reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]); |
| return 0; |
| } |
| |
| static int i2c_r(struct gspca_dev *gspca_dev, |
| __u8 reg) |
| { |
| /* set the base address */ |
| reg_w_val(gspca_dev, ET_I2C_BASE, 0x40); |
| /* sensor base for the pas106 */ |
| /* set count and prefetch (cnd: 4 bits - mode: 4 bits) */ |
| reg_w_val(gspca_dev, ET_I2C_COUNT, 0x11); |
| reg_w_val(gspca_dev, ET_I2C_REG, reg); /* set the register base */ |
| reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x02); /* prefetch */ |
| reg_w_val(gspca_dev, ET_I2C_PREFETCH, 0x00); |
| reg_r(gspca_dev, ET_I2C_DATA0, 1); /* read one byte */ |
| return 0; |
| } |
| |
| static int Et_WaitStatus(struct gspca_dev *gspca_dev) |
| { |
| int retry = 10; |
| |
| while (retry--) { |
| reg_r(gspca_dev, ET_ClCK, 1); |
| if (gspca_dev->usb_buf[0] != 0) |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int et_video(struct gspca_dev *gspca_dev, |
| int on) |
| { |
| int ret; |
| |
| reg_w_val(gspca_dev, ET_GPIO_OUT, |
| on ? 0x10 /* startvideo - set Bit5 */ |
| : 0); /* stopvideo */ |
| ret = Et_WaitStatus(gspca_dev); |
| if (ret != 0) |
| gspca_err(gspca_dev, "timeout video on/off\n"); |
| return ret; |
| } |
| |
| static void Et_init2(struct gspca_dev *gspca_dev) |
| { |
| __u8 value; |
| static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 }; |
| |
| gspca_dbg(gspca_dev, D_STREAM, "Open Init2 ET\n"); |
| reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 0x2f); |
| reg_w_val(gspca_dev, ET_GPIO_OUT, 0x10); |
| reg_r(gspca_dev, ET_GPIO_IN, 1); |
| reg_w_val(gspca_dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */ |
| reg_w_val(gspca_dev, ET_CTRL, 0x1b); |
| |
| /* compression et subsampling */ |
| if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) |
| value = ET_COMP_VAL1; /* 320 */ |
| else |
| value = ET_COMP_VAL0; /* 640 */ |
| reg_w_val(gspca_dev, ET_COMP, value); |
| reg_w_val(gspca_dev, ET_MAXQt, 0x1f); |
| reg_w_val(gspca_dev, ET_MINQt, 0x04); |
| /* undocumented registers */ |
| reg_w_val(gspca_dev, ET_REG1d, 0xff); |
| reg_w_val(gspca_dev, ET_REG1e, 0xff); |
| reg_w_val(gspca_dev, ET_REG1f, 0xff); |
| reg_w_val(gspca_dev, ET_REG20, 0x35); |
| reg_w_val(gspca_dev, ET_REG21, 0x01); |
| reg_w_val(gspca_dev, ET_REG22, 0x00); |
| reg_w_val(gspca_dev, ET_REG23, 0xff); |
| reg_w_val(gspca_dev, ET_REG24, 0xff); |
| reg_w_val(gspca_dev, ET_REG25, 0x0f); |
| /* colors setting */ |
| reg_w_val(gspca_dev, 0x30, 0x11); /* 0x30 */ |
| reg_w_val(gspca_dev, 0x31, 0x40); |
| reg_w_val(gspca_dev, 0x32, 0x00); |
| reg_w_val(gspca_dev, ET_O_RED, 0x00); /* 0x34 */ |
| reg_w_val(gspca_dev, ET_O_GREEN1, 0x00); |
| reg_w_val(gspca_dev, ET_O_BLUE, 0x00); |
| reg_w_val(gspca_dev, ET_O_GREEN2, 0x00); |
| /*************/ |
| reg_w_val(gspca_dev, ET_G_RED, 0x80); /* 0x4d */ |
| reg_w_val(gspca_dev, ET_G_GREEN1, 0x80); |
| reg_w_val(gspca_dev, ET_G_BLUE, 0x80); |
| reg_w_val(gspca_dev, ET_G_GREEN2, 0x80); |
| reg_w_val(gspca_dev, ET_G_GR_H, 0x00); |
| reg_w_val(gspca_dev, ET_G_GB_H, 0x00); /* 0x52 */ |
| /* Window control registers */ |
| reg_w_val(gspca_dev, 0x61, 0x80); /* use cmc_out */ |
| reg_w_val(gspca_dev, 0x62, 0x02); |
| reg_w_val(gspca_dev, 0x63, 0x03); |
| reg_w_val(gspca_dev, 0x64, 0x14); |
| reg_w_val(gspca_dev, 0x65, 0x0e); |
| reg_w_val(gspca_dev, 0x66, 0x02); |
| reg_w_val(gspca_dev, 0x67, 0x02); |
| |
| /**************************************/ |
| reg_w_val(gspca_dev, ET_SYNCHRO, 0x8f); /* 0x68 */ |
| reg_w_val(gspca_dev, ET_STARTX, 0x69); /* 0x6a //0x69 */ |
| reg_w_val(gspca_dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */ |
| reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x80); |
| reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0xe0); |
| reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x60); /* 6d */ |
| reg_w_val(gspca_dev, ET_REG6e, 0x86); |
| reg_w_val(gspca_dev, ET_REG6f, 0x01); |
| reg_w_val(gspca_dev, ET_REG70, 0x26); |
| reg_w_val(gspca_dev, ET_REG71, 0x7a); |
| reg_w_val(gspca_dev, ET_REG72, 0x01); |
| /* Clock Pattern registers ***************** */ |
| reg_w_val(gspca_dev, ET_REG73, 0x00); |
| reg_w_val(gspca_dev, ET_REG74, 0x18); /* 0x28 */ |
| reg_w_val(gspca_dev, ET_REG75, 0x0f); /* 0x01 */ |
| /**********************************************/ |
| reg_w_val(gspca_dev, 0x8a, 0x20); |
| reg_w_val(gspca_dev, 0x8d, 0x0f); |
| reg_w_val(gspca_dev, 0x8e, 0x08); |
| /**************************************/ |
| reg_w_val(gspca_dev, 0x03, 0x08); |
| reg_w_val(gspca_dev, ET_PXL_CLK, 0x03); |
| reg_w_val(gspca_dev, 0x81, 0xff); |
| reg_w_val(gspca_dev, 0x80, 0x00); |
| reg_w_val(gspca_dev, 0x81, 0xff); |
| reg_w_val(gspca_dev, 0x80, 0x20); |
| reg_w_val(gspca_dev, 0x03, 0x01); |
| reg_w_val(gspca_dev, 0x03, 0x00); |
| reg_w_val(gspca_dev, 0x03, 0x08); |
| /********************************************/ |
| |
| /* reg_r(gspca_dev, ET_I2C_BASE, 1); |
| always 0x40 as the pas106 ??? */ |
| /* set the sensor */ |
| if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) |
| value = 0x04; /* 320 */ |
| else /* 640 */ |
| value = 0x1e; /* 0x17 * setting PixelClock |
| * 0x03 mean 24/(3+1) = 6 Mhz |
| * 0x05 -> 24/(5+1) = 4 Mhz |
| * 0x0b -> 24/(11+1) = 2 Mhz |
| * 0x17 -> 24/(23+1) = 1 Mhz |
| */ |
| reg_w_val(gspca_dev, ET_PXL_CLK, value); |
| /* now set by fifo the FormatLine setting */ |
| reg_w(gspca_dev, 0x62, FormLine, 6); |
| |
| /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */ |
| reg_w_val(gspca_dev, 0x81, 0x47); /* 0x47; */ |
| reg_w_val(gspca_dev, 0x80, 0x40); /* 0x40; */ |
| /* Pedro change */ |
| /* Brightness change Brith+ decrease value */ |
| /* Brigth- increase value */ |
| /* original value = 0x70; */ |
| reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */ |
| reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */ |
| } |
| |
| static void setbrightness(struct gspca_dev *gspca_dev, s32 val) |
| { |
| int i; |
| |
| for (i = 0; i < 4; i++) |
| reg_w_val(gspca_dev, ET_O_RED + i, val); |
| } |
| |
| static void setcontrast(struct gspca_dev *gspca_dev, s32 val) |
| { |
| __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; |
| |
| memset(RGBG, val, sizeof(RGBG) - 2); |
| reg_w(gspca_dev, ET_G_RED, RGBG, 6); |
| } |
| |
| static void setcolors(struct gspca_dev *gspca_dev, s32 val) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d }; |
| __u8 i2cflags = 0x01; |
| /* __u8 green = 0; */ |
| |
| I2cc[3] = val; /* red */ |
| I2cc[0] = 15 - val; /* blue */ |
| /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */ |
| /* I2cc[1] = I2cc[2] = green; */ |
| if (sd->sensor == SENSOR_PAS106) { |
| i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3); |
| i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1); |
| } |
| } |
| |
| static s32 getcolors(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAS106) { |
| /* i2c_r(gspca_dev, PAS106_REG9); * blue */ |
| i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */ |
| return gspca_dev->usb_buf[0] & 0x0f; |
| } |
| return 0; |
| } |
| |
| static void setautogain(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->autogain) |
| sd->ag_cnt = AG_CNT_START; |
| else |
| sd->ag_cnt = -1; |
| } |
| |
| static void Et_init1(struct gspca_dev *gspca_dev) |
| { |
| __u8 value; |
| /* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0x22, 0xac, 0x00, 0x01, 0x00}; */ |
| __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 }; |
| /* try 1/120 0x6d 0xcd 0x40 */ |
| /* __u8 I2c0 [] = {0x0a, 0x12, 0x05, 0xfe, 0xfe, 0xc0, 0x01, 0x00}; |
| * 1/60000 hmm ?? */ |
| |
| gspca_dbg(gspca_dev, D_STREAM, "Open Init1 ET\n\n"); |
| reg_w_val(gspca_dev, ET_GPIO_DIR_CTRL, 7); |
| reg_r(gspca_dev, ET_GPIO_IN, 1); |
| reg_w_val(gspca_dev, ET_RESET_ALL, 1); |
| reg_w_val(gspca_dev, ET_RESET_ALL, 0); |
| reg_w_val(gspca_dev, ET_ClCK, 0x10); |
| reg_w_val(gspca_dev, ET_CTRL, 0x19); |
| /* compression et subsampling */ |
| if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) |
| value = ET_COMP_VAL1; |
| else |
| value = ET_COMP_VAL0; |
| gspca_dbg(gspca_dev, D_STREAM, "Open mode %d Compression %d\n", |
| gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv, |
| value); |
| reg_w_val(gspca_dev, ET_COMP, value); |
| reg_w_val(gspca_dev, ET_MAXQt, 0x1d); |
| reg_w_val(gspca_dev, ET_MINQt, 0x02); |
| /* undocumented registers */ |
| reg_w_val(gspca_dev, ET_REG1d, 0xff); |
| reg_w_val(gspca_dev, ET_REG1e, 0xff); |
| reg_w_val(gspca_dev, ET_REG1f, 0xff); |
| reg_w_val(gspca_dev, ET_REG20, 0x35); |
| reg_w_val(gspca_dev, ET_REG21, 0x01); |
| reg_w_val(gspca_dev, ET_REG22, 0x00); |
| reg_w_val(gspca_dev, ET_REG23, 0xf7); |
| reg_w_val(gspca_dev, ET_REG24, 0xff); |
| reg_w_val(gspca_dev, ET_REG25, 0x07); |
| /* colors setting */ |
| reg_w_val(gspca_dev, ET_G_RED, 0x80); |
| reg_w_val(gspca_dev, ET_G_GREEN1, 0x80); |
| reg_w_val(gspca_dev, ET_G_BLUE, 0x80); |
| reg_w_val(gspca_dev, ET_G_GREEN2, 0x80); |
| reg_w_val(gspca_dev, ET_G_GR_H, 0x00); |
| reg_w_val(gspca_dev, ET_G_GB_H, 0x00); |
| /* Window control registers */ |
| reg_w_val(gspca_dev, ET_SYNCHRO, 0xf0); |
| reg_w_val(gspca_dev, ET_STARTX, 0x56); /* 0x56 */ |
| reg_w_val(gspca_dev, ET_STARTY, 0x05); /* 0x04 */ |
| reg_w_val(gspca_dev, ET_WIDTH_LOW, 0x60); |
| reg_w_val(gspca_dev, ET_HEIGTH_LOW, 0x20); |
| reg_w_val(gspca_dev, ET_W_H_HEIGTH, 0x50); |
| reg_w_val(gspca_dev, ET_REG6e, 0x86); |
| reg_w_val(gspca_dev, ET_REG6f, 0x01); |
| reg_w_val(gspca_dev, ET_REG70, 0x86); |
| reg_w_val(gspca_dev, ET_REG71, 0x14); |
| reg_w_val(gspca_dev, ET_REG72, 0x00); |
| /* Clock Pattern registers */ |
| reg_w_val(gspca_dev, ET_REG73, 0x00); |
| reg_w_val(gspca_dev, ET_REG74, 0x00); |
| reg_w_val(gspca_dev, ET_REG75, 0x0a); |
| reg_w_val(gspca_dev, ET_I2C_CLK, 0x04); |
| reg_w_val(gspca_dev, ET_PXL_CLK, 0x01); |
| /* set the sensor */ |
| if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) { |
| I2c0[0] = 0x06; |
| i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1); |
| i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1); |
| value = 0x06; |
| i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1); |
| i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1); |
| /* value = 0x1f; */ |
| value = 0x04; |
| i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1); |
| } else { |
| I2c0[0] = 0x0a; |
| |
| i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1); |
| i2c_w(gspca_dev, PAS106_REG9, I2c2, sizeof I2c2, 1); |
| value = 0x0a; |
| i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1); |
| i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1); |
| value = 0x04; |
| /* value = 0x10; */ |
| i2c_w(gspca_dev, PAS106_REG0e, &value, 1, 1); |
| /* bit 2 enable bit 1:2 select 0 1 2 3 |
| value = 0x07; * curve 0 * |
| i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1); |
| */ |
| } |
| |
| /* value = 0x01; */ |
| /* value = 0x22; */ |
| /* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */ |
| /* magnetude and sign bit for DAC */ |
| i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1); |
| /* now set by fifo the whole colors setting */ |
| reg_w(gspca_dev, ET_G_RED, GainRGBG, 6); |
| setcolors(gspca_dev, getcolors(gspca_dev)); |
| } |
| |
| /* this function is called at probe time */ |
| static int sd_config(struct gspca_dev *gspca_dev, |
| const struct usb_device_id *id) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| struct cam *cam; |
| |
| cam = &gspca_dev->cam; |
| sd->sensor = id->driver_info; |
| if (sd->sensor == SENSOR_PAS106) { |
| cam->cam_mode = sif_mode; |
| cam->nmodes = ARRAY_SIZE(sif_mode); |
| } else { |
| cam->cam_mode = vga_mode; |
| cam->nmodes = ARRAY_SIZE(vga_mode); |
| } |
| sd->ag_cnt = -1; |
| return 0; |
| } |
| |
| /* this function is called at probe and resume time */ |
| static int sd_init(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAS106) |
| Et_init1(gspca_dev); |
| else |
| Et_init2(gspca_dev); |
| reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); |
| et_video(gspca_dev, 0); /* video off */ |
| return 0; |
| } |
| |
| /* -- start the camera -- */ |
| static int sd_start(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAS106) |
| Et_init1(gspca_dev); |
| else |
| Et_init2(gspca_dev); |
| |
| setautogain(gspca_dev); |
| |
| reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); |
| et_video(gspca_dev, 1); /* video on */ |
| return 0; |
| } |
| |
| static void sd_stopN(struct gspca_dev *gspca_dev) |
| { |
| et_video(gspca_dev, 0); /* video off */ |
| } |
| |
| static __u8 Et_getgainG(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAS106) { |
| i2c_r(gspca_dev, PAS106_REG0e); |
| gspca_dbg(gspca_dev, D_CONF, "Etoms gain G %d\n", |
| gspca_dev->usb_buf[0]); |
| return gspca_dev->usb_buf[0]; |
| } |
| return 0x1f; |
| } |
| |
| static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| |
| if (sd->sensor == SENSOR_PAS106) { |
| __u8 i2cflags = 0x01; |
| |
| i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3); |
| i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1); |
| } |
| } |
| |
| #define BLIMIT(bright) \ |
| (u8)((bright > 0x1f) ? 0x1f : ((bright < 4) ? 3 : bright)) |
| #define LIMIT(color) \ |
| (u8)((color > 0xff) ? 0xff : ((color < 0) ? 0 : color)) |
| |
| static void do_autogain(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *) gspca_dev; |
| __u8 luma; |
| __u8 luma_mean = 128; |
| __u8 luma_delta = 20; |
| __u8 spring = 4; |
| int Gbright; |
| __u8 r, g, b; |
| |
| if (sd->ag_cnt < 0) |
| return; |
| if (--sd->ag_cnt >= 0) |
| return; |
| sd->ag_cnt = AG_CNT_START; |
| |
| Gbright = Et_getgainG(gspca_dev); |
| reg_r(gspca_dev, ET_LUMA_CENTER, 4); |
| g = (gspca_dev->usb_buf[0] + gspca_dev->usb_buf[3]) >> 1; |
| r = gspca_dev->usb_buf[1]; |
| b = gspca_dev->usb_buf[2]; |
| r = ((r << 8) - (r << 4) - (r << 3)) >> 10; |
| b = ((b << 7) >> 10); |
| g = ((g << 9) + (g << 7) + (g << 5)) >> 10; |
| luma = LIMIT(r + g + b); |
| gspca_dbg(gspca_dev, D_FRAM, "Etoms luma G %d\n", luma); |
| if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) { |
| Gbright += (luma_mean - luma) >> spring; |
| Gbright = BLIMIT(Gbright); |
| gspca_dbg(gspca_dev, D_FRAM, "Etoms Gbright %d\n", Gbright); |
| Et_setgainG(gspca_dev, (__u8) Gbright); |
| } |
| } |
| |
| #undef BLIMIT |
| #undef LIMIT |
| |
| static void sd_pkt_scan(struct gspca_dev *gspca_dev, |
| u8 *data, /* isoc packet */ |
| int len) /* iso packet length */ |
| { |
| int seqframe; |
| |
| seqframe = data[0] & 0x3f; |
| len = (int) (((data[0] & 0xc0) << 2) | data[1]); |
| if (seqframe == 0x3f) { |
| gspca_dbg(gspca_dev, D_FRAM, |
| "header packet found datalength %d !!\n", len); |
| gspca_dbg(gspca_dev, D_FRAM, "G %d R %d G %d B %d", |
| data[2], data[3], data[4], data[5]); |
| data += 30; |
| /* don't change datalength as the chips provided it */ |
| gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); |
| gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); |
| return; |
| } |
| if (len) { |
| data += 8; |
| gspca_frame_add(gspca_dev, INTER_PACKET, data, len); |
| } else { /* Drop Packet */ |
| gspca_dev->last_packet_type = DISCARD_PACKET; |
| } |
| } |
| |
| static int sd_s_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct gspca_dev *gspca_dev = |
| container_of(ctrl->handler, struct gspca_dev, ctrl_handler); |
| struct sd *sd = (struct sd *)gspca_dev; |
| |
| gspca_dev->usb_err = 0; |
| |
| if (!gspca_dev->streaming) |
| return 0; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_BRIGHTNESS: |
| setbrightness(gspca_dev, ctrl->val); |
| break; |
| case V4L2_CID_CONTRAST: |
| setcontrast(gspca_dev, ctrl->val); |
| break; |
| case V4L2_CID_SATURATION: |
| setcolors(gspca_dev, ctrl->val); |
| break; |
| case V4L2_CID_AUTOGAIN: |
| sd->autogain = ctrl->val; |
| setautogain(gspca_dev); |
| break; |
| } |
| return gspca_dev->usb_err; |
| } |
| |
| static const struct v4l2_ctrl_ops sd_ctrl_ops = { |
| .s_ctrl = sd_s_ctrl, |
| }; |
| |
| static int sd_init_controls(struct gspca_dev *gspca_dev) |
| { |
| struct sd *sd = (struct sd *)gspca_dev; |
| struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; |
| |
| gspca_dev->vdev.ctrl_handler = hdl; |
| v4l2_ctrl_handler_init(hdl, 4); |
| v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| V4L2_CID_BRIGHTNESS, 1, 127, 1, 63); |
| v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| V4L2_CID_CONTRAST, 0, 255, 1, 127); |
| if (sd->sensor == SENSOR_PAS106) |
| v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| V4L2_CID_SATURATION, 0, 15, 1, 7); |
| v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, |
| V4L2_CID_AUTOGAIN, 0, 1, 1, 1); |
| if (hdl->error) { |
| pr_err("Could not initialize controls\n"); |
| return hdl->error; |
| } |
| return 0; |
| } |
| |
| /* sub-driver description */ |
| static const struct sd_desc sd_desc = { |
| .name = MODULE_NAME, |
| .config = sd_config, |
| .init = sd_init, |
| .init_controls = sd_init_controls, |
| .start = sd_start, |
| .stopN = sd_stopN, |
| .pkt_scan = sd_pkt_scan, |
| .dq_callback = do_autogain, |
| }; |
| |
| /* -- module initialisation -- */ |
| static const struct usb_device_id device_table[] = { |
| {USB_DEVICE(0x102c, 0x6151), .driver_info = SENSOR_PAS106}, |
| {USB_DEVICE(0x102c, 0x6251), .driver_info = SENSOR_TAS5130CXX}, |
| {} |
| }; |
| |
| MODULE_DEVICE_TABLE(usb, device_table); |
| |
| /* -- device connect -- */ |
| static int sd_probe(struct usb_interface *intf, |
| const struct usb_device_id *id) |
| { |
| return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
| THIS_MODULE); |
| } |
| |
| static struct usb_driver sd_driver = { |
| .name = MODULE_NAME, |
| .id_table = device_table, |
| .probe = sd_probe, |
| .disconnect = gspca_disconnect, |
| #ifdef CONFIG_PM |
| .suspend = gspca_suspend, |
| .resume = gspca_resume, |
| .reset_resume = gspca_resume, |
| #endif |
| }; |
| |
| module_usb_driver(sd_driver); |
