/* * Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004) * * V4L2 by Jean-Francois Moine * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #define MODULE_NAME "etoms" #include "gspca.h" #define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 0) static const char version[] = "2.1.0"; MODULE_AUTHOR("Michel Xhaard "); 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 brightness; unsigned char contrast; unsigned char colors; unsigned char autogain; char sensor; #define SENSOR_PAS106 0 #define SENSOR_TAS5130CXX 1 signed char ag_cnt; #define AG_CNT_START 13 }; /* V4L2 controls supported by the driver */ static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); static struct ctrl sd_ctrls[] = { #define SD_BRIGHTNESS 0 { { .id = V4L2_CID_BRIGHTNESS, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Brightness", .minimum = 1, .maximum = 127, .step = 1, .default_value = 63, }, .set = sd_setbrightness, .get = sd_getbrightness, }, #define SD_CONTRAST 1 { { .id = V4L2_CID_CONTRAST, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Contrast", .minimum = 0, .maximum = 255, .step = 1, .default_value = 127, }, .set = sd_setcontrast, .get = sd_getcontrast, }, #define SD_COLOR 2 { { .id = V4L2_CID_SATURATION, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Color", .minimum = 0, .maximum = 15, .step = 1, .default_value = 7, }, .set = sd_setcolors, .get = sd_getcolors, }, #define SD_AUTOGAIN 3 { { .id = V4L2_CID_AUTOGAIN, .type = V4L2_CTRL_TYPE_BOOLEAN, .name = "Auto Gain", .minimum = 0, .maximum = 1, .step = 1, .default_value = 1, }, .set = sd_setautogain, .get = sd_getautogain, }, }; static struct cam_mode vga_mode[] = { {V4L2_PIX_FMT_SBGGR8, 320, 240, 1}, /* {V4L2_PIX_FMT_SBGGR8, 640, 480, 0}, */ }; static struct cam_mode sif_mode[] = { {V4L2_PIX_FMT_SBGGR8, 176, 144, 1}, {V4L2_PIX_FMT_SBGGR8, 352, 288, 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 __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; static __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d }; static __u8 I2c3[] = { 0x12, 0x05 }; static __u8 I2c4[] = { 0x41, 0x08 }; static void Et_RegRead(struct usb_device *dev, __u16 index, __u8 *buffer, int len) { usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 0, index, buffer, len, 500); } static void Et_RegWrite(struct usb_device *dev, __u16 index, __u8 *buffer, __u16 len) { usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, 0, index, buffer, len, 500); } static int Et_i2cwrite(struct usb_device *dev, __u8 reg, __u8 * buffer, __u16 length, __u8 mode) { /* buffer should be [D0..D7] */ int i, j; __u8 base = 0x40; /* sensor base for the pas106 */ __u8 ptchcount = 0; ptchcount = (((length & 0x07) << 4) | (mode & 0x03)); /* set the base address */ Et_RegWrite(dev, ET_I2C_BASE, &base, 1); /* set count and prefetch */ Et_RegWrite(dev, ET_I2C_COUNT, &ptchcount, 1); /* set the register base */ Et_RegWrite(dev, ET_I2C_REG, ®, 1); j = length - 1; for (i = 0; i < length; i++) { Et_RegWrite(dev, (ET_I2C_DATA0 + j), &buffer[j], 1); j--; } return 0; } static int Et_i2cread(struct usb_device *dev, __u8 reg, __u8 * buffer, __u16 length, __u8 mode) { /* buffer should be [D0..D7] */ int i, j; __u8 base = 0x40; /* sensor base for the pas106 */ __u8 ptchcount; __u8 prefetch = 0x02; ptchcount = (((length & 0x07) << 4) | (mode & 0x03)); /* set the base address */ Et_RegWrite(dev, ET_I2C_BASE, &base, 1); /* set count and prefetch */ Et_RegWrite(dev, ET_I2C_COUNT, &ptchcount, 1); /* set the register base */ Et_RegWrite(dev, ET_I2C_REG, ®, 1); Et_RegWrite(dev, ET_I2C_PREFETCH, &prefetch, 1); prefetch = 0x00; Et_RegWrite(dev, ET_I2C_PREFETCH, &prefetch, 1); j = length - 1; for (i = 0; i < length; i++) { Et_RegRead(dev, (ET_I2C_DATA0 + j), &buffer[j], 1); j--; } return 0; } static int Et_WaitStatus(struct usb_device *dev) { __u8 bytereceived; int retry = 10; while (retry--) { Et_RegRead(dev, ET_ClCK, &bytereceived, 1); if (bytereceived != 0) return 1; } return 0; } static int Et_videoOff(struct usb_device *dev) { int err; __u8 stopvideo = 0; Et_RegWrite(dev, ET_GPIO_OUT, &stopvideo, 1); err = Et_WaitStatus(dev); if (!err) PDEBUG(D_ERR, "timeout Et_waitStatus VideoON"); return err; } static int Et_videoOn(struct usb_device *dev) { int err; __u8 startvideo = 0x10; /* set Bit5 */ Et_RegWrite(dev, ET_GPIO_OUT, &startvideo, 1); err = Et_WaitStatus(dev); if (!err) PDEBUG(D_ERR, "timeout Et_waitStatus VideoOFF"); return err; } static void Et_init2(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; __u8 value = 0x00; __u8 received = 0x00; __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 }; PDEBUG(D_STREAM, "Open Init2 ET"); value = 0x2f; Et_RegWrite(dev, ET_GPIO_DIR_CTRL, &value, 1); value = 0x10; Et_RegWrite(dev, ET_GPIO_OUT, &value, 1); Et_RegRead(dev, ET_GPIO_IN, &received, 1); value = 0x14; /* 0x14 // 0x16 enabled pattern */ Et_RegWrite(dev, ET_ClCK, &value, 1); value = 0x1b; Et_RegWrite(dev, ET_CTRL, &value, 1); /* compression et subsampling */ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) value = ET_COMP_VAL1; /* 320 */ else value = ET_COMP_VAL0; /* 640 */ Et_RegWrite(dev, ET_COMP, &value, 1); value = 0x1f; Et_RegWrite(dev, ET_MAXQt, &value, 1); value = 0x04; Et_RegWrite(dev, ET_MINQt, &value, 1); /* undocumented registers */ value = 0xff; Et_RegWrite(dev, ET_REG1d, &value, 1); value = 0xff; Et_RegWrite(dev, ET_REG1e, &value, 1); value = 0xff; Et_RegWrite(dev, ET_REG1f, &value, 1); value = 0x35; Et_RegWrite(dev, ET_REG20, &value, 1); value = 0x01; Et_RegWrite(dev, ET_REG21, &value, 1); value = 0x00; Et_RegWrite(dev, ET_REG22, &value, 1); value = 0xff; Et_RegWrite(dev, ET_REG23, &value, 1); value = 0xff; Et_RegWrite(dev, ET_REG24, &value, 1); value = 0x0f; Et_RegWrite(dev, ET_REG25, &value, 1); /* colors setting */ value = 0x11; Et_RegWrite(dev, 0x30, &value, 1); /* 0x30 */ value = 0x40; Et_RegWrite(dev, 0x31, &value, 1); value = 0x00; Et_RegWrite(dev, 0x32, &value, 1); value = 0x00; Et_RegWrite(dev, ET_O_RED, &value, 1); /* 0x34 */ value = 0x00; Et_RegWrite(dev, ET_O_GREEN1, &value, 1); value = 0x00; Et_RegWrite(dev, ET_O_BLUE, &value, 1); value = 0x00; Et_RegWrite(dev, ET_O_GREEN2, &value, 1); /*************/ value = 0x80; Et_RegWrite(dev, ET_G_RED, &value, 1); /* 0x4d */ value = 0x80; Et_RegWrite(dev, ET_G_GREEN1, &value, 1); value = 0x80; Et_RegWrite(dev, ET_G_BLUE, &value, 1); value = 0x80; Et_RegWrite(dev, ET_G_GREEN2, &value, 1); value = 0x00; Et_RegWrite(dev, ET_G_GR_H, &value, 1); value = 0x00; Et_RegWrite(dev, ET_G_GB_H, &value, 1); /* 0x52 */ /* Window control registers */ value = 0x80; /* use cmc_out */ Et_RegWrite(dev, 0x61, &value, 1); value = 0x02; Et_RegWrite(dev, 0x62, &value, 1); value = 0x03; Et_RegWrite(dev, 0x63, &value, 1); value = 0x14; Et_RegWrite(dev, 0x64, &value, 1); value = 0x0e; Et_RegWrite(dev, 0x65, &value, 1); value = 0x02; Et_RegWrite(dev, 0x66, &value, 1); value = 0x02; Et_RegWrite(dev, 0x67, &value, 1); /**************************************/ value = 0x8f; Et_RegWrite(dev, ET_SYNCHRO, &value, 1); /* 0x68 */ value = 0x69; /* 0x6a //0x69 */ Et_RegWrite(dev, ET_STARTX, &value, 1); value = 0x0d; /* 0x0d //0x0c */ Et_RegWrite(dev, ET_STARTY, &value, 1); value = 0x80; Et_RegWrite(dev, ET_WIDTH_LOW, &value, 1); value = 0xe0; Et_RegWrite(dev, ET_HEIGTH_LOW, &value, 1); value = 0x60; Et_RegWrite(dev, ET_W_H_HEIGTH, &value, 1); /* 6d */ value = 0x86; Et_RegWrite(dev, ET_REG6e, &value, 1); value = 0x01; Et_RegWrite(dev, ET_REG6f, &value, 1); value = 0x26; Et_RegWrite(dev, ET_REG70, &value, 1); value = 0x7a; Et_RegWrite(dev, ET_REG71, &value, 1); value = 0x01; Et_RegWrite(dev, ET_REG72, &value, 1); /* Clock Pattern registers ***************** */ value = 0x00; Et_RegWrite(dev, ET_REG73, &value, 1); value = 0x18; /* 0x28 */ Et_RegWrite(dev, ET_REG74, &value, 1); value = 0x0f; /* 0x01 */ Et_RegWrite(dev, ET_REG75, &value, 1); /**********************************************/ value = 0x20; Et_RegWrite(dev, 0x8a, &value, 1); value = 0x0f; Et_RegWrite(dev, 0x8d, &value, 1); value = 0x08; Et_RegWrite(dev, 0x8e, &value, 1); /**************************************/ value = 0x08; Et_RegWrite(dev, 0x03, &value, 1); value = 0x03; Et_RegWrite(dev, ET_PXL_CLK, &value, 1); value = 0xff; Et_RegWrite(dev, 0x81, &value, 1); value = 0x00; Et_RegWrite(dev, 0x80, &value, 1); value = 0xff; Et_RegWrite(dev, 0x81, &value, 1); value = 0x20; Et_RegWrite(dev, 0x80, &value, 1); value = 0x01; Et_RegWrite(dev, 0x03, &value, 1); value = 0x00; Et_RegWrite(dev, 0x03, &value, 1); value = 0x08; Et_RegWrite(dev, 0x03, &value, 1); /********************************************/ /* Et_RegRead(dev,0x0,ET_I2C_BASE,&received,1); always 0x40 as the pas106 ??? */ /* set the sensor */ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) { value = 0x04; /* 320 */ Et_RegWrite(dev, ET_PXL_CLK, &value, 1); /* now set by fifo the FormatLine setting */ Et_RegWrite(dev, 0x62, FormLine, 6); } else { /* 640 */ /* 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 */ value = 0x1e; /* 0x17 */ Et_RegWrite(dev, ET_PXL_CLK, &value, 1); /* now set by fifo the FormatLine setting */ Et_RegWrite(dev, 0x62, FormLine, 6); } /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */ value = 0x47; /* 0x47; */ Et_RegWrite(dev, 0x81, &value, 1); value = 0x40; /* 0x40; */ Et_RegWrite(dev, 0x80, &value, 1); /* Pedro change */ /* Brightness change Brith+ decrease value */ /* Brigth- increase value */ /* original value = 0x70; */ value = 0x30; /* 0x20; */ Et_RegWrite(dev, 0x81, &value, 1); /* set brightness */ value = 0x20; /* 0x20; */ Et_RegWrite(dev, 0x80, &value, 1); } static void setcolors(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; static __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d }; __u8 i2cflags = 0x01; /* __u8 green = 0; */ __u8 colors = sd->colors; I2cc[3] = colors; /* red */ I2cc[0] = 15 - colors; /* blue */ /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */ /* I2cc[1] = I2cc[2] = green; */ if (sd->sensor == SENSOR_PAS106) { Et_i2cwrite(dev, PAS106_REG13, &i2cflags, 1, 3); Et_i2cwrite(dev, PAS106_REG9, I2cc, sizeof(I2cc), 1); } /* PDEBUG(D_CONF , "Etoms red %d blue %d green %d", I2cc[3], I2cc[0], green); */ } static void getcolors(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; /* __u8 valblue = 0; */ __u8 valred; if (sd->sensor == SENSOR_PAS106) { /* Et_i2cread(gspca_dev->dev,PAS106_REG9,&valblue,1,1); */ Et_i2cread(gspca_dev->dev, PAS106_REG9 + 3, &valred, 1, 1); sd->colors = valred & 0x0f; } } static void Et_init1(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; __u8 value = 0x00; __u8 received = 0x00; /* __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 ?? */ PDEBUG(D_STREAM, "Open Init1 ET"); value = 7; Et_RegWrite(dev, ET_GPIO_DIR_CTRL, &value, 1); Et_RegRead(dev, ET_GPIO_IN, &received, 1); value = 1; Et_RegWrite(dev, ET_RESET_ALL, &value, 1); value = 0; Et_RegWrite(dev, ET_RESET_ALL, &value, 1); value = 0x10; Et_RegWrite(dev, ET_ClCK, &value, 1); value = 0x19; Et_RegWrite(dev, ET_CTRL, &value, 1); /* compression et subsampling */ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) value = ET_COMP_VAL1; else value = ET_COMP_VAL0; PDEBUG(D_STREAM, "Open mode %d Compression %d", gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode, value); Et_RegWrite(dev, ET_COMP, &value, 1); value = 0x1d; Et_RegWrite(dev, ET_MAXQt, &value, 1); value = 0x02; Et_RegWrite(dev, ET_MINQt, &value, 1); /* undocumented registers */ value = 0xff; Et_RegWrite(dev, ET_REG1d, &value, 1); value = 0xff; Et_RegWrite(dev, ET_REG1e, &value, 1); value = 0xff; Et_RegWrite(dev, ET_REG1f, &value, 1); value = 0x35; Et_RegWrite(dev, ET_REG20, &value, 1); value = 0x01; Et_RegWrite(dev, ET_REG21, &value, 1); value = 0x00; Et_RegWrite(dev, ET_REG22, &value, 1); value = 0xf7; Et_RegWrite(dev, ET_REG23, &value, 1); value = 0xff; Et_RegWrite(dev, ET_REG24, &value, 1); value = 0x07; Et_RegWrite(dev, ET_REG25, &value, 1); /* colors setting */ value = 0x80; Et_RegWrite(dev, ET_G_RED, &value, 1); value = 0x80; Et_RegWrite(dev, ET_G_GREEN1, &value, 1); value = 0x80; Et_RegWrite(dev, ET_G_BLUE, &value, 1); value = 0x80; Et_RegWrite(dev, ET_G_GREEN2, &value, 1); value = 0x00; Et_RegWrite(dev, ET_G_GR_H, &value, 1); value = 0x00; Et_RegWrite(dev, ET_G_GB_H, &value, 1); /* Window control registers */ value = 0xf0; Et_RegWrite(dev, ET_SYNCHRO, &value, 1); value = 0x56; /* 0x56 */ Et_RegWrite(dev, ET_STARTX, &value, 1); value = 0x05; /* 0x04 */ Et_RegWrite(dev, ET_STARTY, &value, 1); value = 0x60; Et_RegWrite(dev, ET_WIDTH_LOW, &value, 1); value = 0x20; Et_RegWrite(dev, ET_HEIGTH_LOW, &value, 1); value = 0x50; Et_RegWrite(dev, ET_W_H_HEIGTH, &value, 1); value = 0x86; Et_RegWrite(dev, ET_REG6e, &value, 1); value = 0x01; Et_RegWrite(dev, ET_REG6f, &value, 1); value = 0x86; Et_RegWrite(dev, ET_REG70, &value, 1); value = 0x14; Et_RegWrite(dev, ET_REG71, &value, 1); value = 0x00; Et_RegWrite(dev, ET_REG72, &value, 1); /* Clock Pattern registers */ value = 0x00; Et_RegWrite(dev, ET_REG73, &value, 1); value = 0x00; Et_RegWrite(dev, ET_REG74, &value, 1); value = 0x0a; Et_RegWrite(dev, ET_REG75, &value, 1); value = 0x04; Et_RegWrite(dev, ET_I2C_CLK, &value, 1); value = 0x01; Et_RegWrite(dev, ET_PXL_CLK, &value, 1); /* set the sensor */ if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) { I2c0[0] = 0x06; Et_i2cwrite(dev, PAS106_REG2, I2c0, sizeof(I2c0), 1); Et_i2cwrite(dev, PAS106_REG9, I2c2, sizeof(I2c2), 1); value = 0x06; Et_i2cwrite(dev, PAS106_REG2, &value, 1, 1); Et_i2cwrite(dev, PAS106_REG3, I2c3, sizeof(I2c3), 1); /* value = 0x1f; */ value = 0x04; Et_i2cwrite(dev, PAS106_REG0e, &value, 1, 1); } else { I2c0[0] = 0x0a; Et_i2cwrite(dev, PAS106_REG2, I2c0, sizeof(I2c0), 1); Et_i2cwrite(dev, PAS106_REG9, I2c2, sizeof(I2c2), 1); value = 0x0a; Et_i2cwrite(dev, PAS106_REG2, &value, 1, 1); Et_i2cwrite(dev, PAS106_REG3, I2c3, sizeof(I2c3), 1); value = 0x04; /* value = 0x10; */ Et_i2cwrite(dev, PAS106_REG0e, &value, 1, 1); /* bit 2 enable bit 1:2 select 0 1 2 3 value = 0x07; * curve 0 * Et_i2cwrite(dev,PAS106_REG0f,&value,1,1); */ } /* value = 0x01; */ /* value = 0x22; */ /* Et_i2cwrite(dev, PAS106_REG5, &value, 1, 1); */ /* magnetude and sign bit for DAC */ Et_i2cwrite(dev, PAS106_REG7, I2c4, sizeof I2c4, 1); /* now set by fifo the whole colors setting */ Et_RegWrite(dev, ET_G_RED, GainRGBG, 6); getcolors(gspca_dev); setcolors(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; __u16 vendor; __u16 product; vendor = id->idVendor; product = id->idProduct; /* switch (vendor) { */ /* case 0x102c: * Etoms */ switch (product) { case 0x6151: sd->sensor = SENSOR_PAS106; /* Etoms61x151 */ break; case 0x6251: sd->sensor = SENSOR_TAS5130CXX; /* Etoms61x251 */ break; /* } */ /* break; */ } cam = &gspca_dev->cam; cam->dev_name = (char *) id->driver_info; cam->epaddr = 1; if (sd->sensor == SENSOR_PAS106) { cam->cam_mode = sif_mode; cam->nmodes = sizeof sif_mode / sizeof sif_mode[0]; } else { cam->cam_mode = vga_mode; cam->nmodes = sizeof vga_mode / sizeof vga_mode[0]; } sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value; sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value; sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value; sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value; return 0; } /* this function is called at open time */ static int sd_open(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; int err; __u8 value; PDEBUG(D_STREAM, "Initialize ET1"); if (sd->sensor == SENSOR_PAS106) Et_init1(gspca_dev); else Et_init2(gspca_dev); value = 0x08; Et_RegWrite(dev, ET_RESET_ALL, &value, 1); err = Et_videoOff(dev); PDEBUG(D_STREAM, "Et_Init_VideoOff %d", err); return 0; } /* -- start the camera -- */ static void sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; int err; __u8 value; if (sd->sensor == SENSOR_PAS106) Et_init1(gspca_dev); else Et_init2(gspca_dev); value = 0x08; Et_RegWrite(dev, ET_RESET_ALL, &value, 1); err = Et_videoOn(dev); PDEBUG(D_STREAM, "Et_VideoOn %d", err); } static void sd_stopN(struct gspca_dev *gspca_dev) { int err; err = Et_videoOff(gspca_dev->dev); PDEBUG(D_STREAM, "Et_VideoOff %d", err); } static void sd_stop0(struct gspca_dev *gspca_dev) { } static void sd_close(struct gspca_dev *gspca_dev) { } static void setbrightness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int i; __u8 brightness = sd->brightness; for (i = 0; i < 4; i++) Et_RegWrite(gspca_dev->dev, (ET_O_RED + i), &brightness, 1); } static void getbrightness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int i; int brightness = 0; __u8 value = 0; for (i = 0; i < 4; i++) { Et_RegRead(gspca_dev->dev, (ET_O_RED + i), &value, 1); brightness += value; } sd->brightness = brightness >> 3; } static void setcontrast(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; __u8 contrast = sd->contrast; memset(RGBG, contrast, sizeof RGBG - 2); Et_RegWrite(gspca_dev->dev, ET_G_RED, RGBG, 6); } static void getcontrast(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int i; int contrast = 0; __u8 value = 0; for (i = 0; i < 4; i++) { Et_RegRead(gspca_dev->dev, (ET_G_RED + i), &value, 1); contrast += value; } sd->contrast = contrast >> 2; } static __u8 Et_getgainG(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; __u8 value = 0; if (sd->sensor == SENSOR_PAS106) { Et_i2cread(gspca_dev->dev, PAS106_REG0e, &value, 1, 1); PDEBUG(D_CONF, "Etoms gain G %d", value); return value; } return 0x1f; } static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain) { struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; __u8 i2cflags = 0x01; if (sd->sensor == SENSOR_PAS106) { Et_i2cwrite(dev, PAS106_REG13, &i2cflags, 1, 3); Et_i2cwrite(dev, PAS106_REG0e, &gain, 1, 1); } } #define BLIMIT(bright) \ (__u8)((bright > 0x1f)?0x1f:((bright < 4)?3:bright)) #define LIMIT(color) \ (unsigned char)((color > 0xff)?0xff:((color < 0)?0:color)) static void setautogain(struct gspca_dev *gspca_dev) { struct usb_device *dev = gspca_dev->dev; __u8 GRBG[] = { 0, 0, 0, 0 }; __u8 luma = 0; __u8 luma_mean = 128; __u8 luma_delta = 20; __u8 spring = 4; int Gbright = 0; __u8 r, g, b; Gbright = Et_getgainG(gspca_dev); Et_RegRead(dev, ET_LUMA_CENTER, GRBG, 4); g = (GRBG[0] + GRBG[3]) >> 1; r = GRBG[1]; b = GRBG[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); PDEBUG(D_FRAM, "Etoms luma G %d", luma); if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) { Gbright += (luma_mean - luma) >> spring; Gbright = BLIMIT(Gbright); PDEBUG(D_FRAM, "Etoms Gbright %d", Gbright); Et_setgainG(gspca_dev, (__u8) Gbright); } } #undef BLIMIT #undef LIMIT static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, /* target */ unsigned char *data, /* isoc packet */ int len) /* iso packet length */ { struct sd *sd; int seqframe; seqframe = data[0] & 0x3f; len = (int) (((data[0] & 0xc0) << 2) | data[1]); if (seqframe == 0x3f) { PDEBUG(D_FRAM, "header packet found datalength %d !!", len); PDEBUG(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 */ frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0); gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len); sd = (struct sd *) gspca_dev; if (sd->ag_cnt >= 0) { if (--sd->ag_cnt < 0) { sd->ag_cnt = AG_CNT_START; setautogain(gspca_dev); } } return; } if (len) { data += 8; gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); } else { /* Drop Packet */ gspca_dev->last_packet_type = DISCARD_PACKET; } } static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; sd->brightness = val; if (gspca_dev->streaming) setbrightness(gspca_dev); return 0; } static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; getbrightness(gspca_dev); *val = sd->brightness; return 0; } static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; sd->contrast = val; if (gspca_dev->streaming) setcontrast(gspca_dev); return 0; } static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; getcontrast(gspca_dev); *val = sd->contrast; return 0; } static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; sd->colors = val; if (gspca_dev->streaming) setcolors(gspca_dev); return 0; } static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; getcolors(gspca_dev); *val = sd->colors; return 0; } static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; sd->autogain = val; if (val) sd->ag_cnt = AG_CNT_START; else sd->ag_cnt = -1; return 0; } static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; *val = sd->autogain; return 0; } /* sub-driver description */ static struct sd_desc sd_desc = { .name = MODULE_NAME, .ctrls = sd_ctrls, .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, .open = sd_open, .start = sd_start, .stopN = sd_stopN, .stop0 = sd_stop0, .close = sd_close, .pkt_scan = sd_pkt_scan, }; /* -- module initialisation -- */ #define DVNM(name) .driver_info = (kernel_ulong_t) name static __devinitdata struct usb_device_id device_table[] = { {USB_DEVICE(0x102c, 0x6151), DVNM("Qcam Sangha CIF")}, {USB_DEVICE(0x102c, 0x6251), DVNM("Qcam xxxxxx VGA")}, {} }; 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, }; /* -- module insert / remove -- */ static int __init sd_mod_init(void) { if (usb_register(&sd_driver) < 0) return -1; PDEBUG(D_PROBE, "v%s registered", version); return 0; } static void __exit sd_mod_exit(void) { usb_deregister(&sd_driver); PDEBUG(D_PROBE, "deregistered"); } module_init(sd_mod_init); module_exit(sd_mod_exit);