diff options
author | Jean-Francois Moine <moinejf@free.fr> | 2008-07-14 14:38:29 +0200 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-07-20 12:26:14 +0200 |
commit | 739570bb218bb4607df1f197282561e97a98e54a (patch) | |
tree | 25555dfe5ac873bc96866c486d6f6c1dcabf24f4 /drivers/media/video/gspca/etoms.c | |
parent | V4L/DVB (8350): gspca: Conform to v4l2 spec and mutex unlock fix. (diff) | |
download | linux-739570bb218bb4607df1f197282561e97a98e54a.tar.xz linux-739570bb218bb4607df1f197282561e97a98e54a.zip |
V4L/DVB (8352): gspca: Buffers for USB exchanges cannot be in the stack.
gspca: Protect dq_callback() against simultaneous USB exchanges.
Temporary buffer for USB exchanges added in the device struct.
(all) Use a temporary buffer for all USB exchanges.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/gspca/etoms.c')
-rw-r--r-- | drivers/media/video/gspca/etoms.c | 443 |
1 files changed, 222 insertions, 221 deletions
diff --git a/drivers/media/video/gspca/etoms.c b/drivers/media/video/gspca/etoms.c index 1da6a182561f..5bb8dc1adbb7 100644 --- a/drivers/media/video/gspca/etoms.c +++ b/drivers/media/video/gspca/etoms.c @@ -22,8 +22,8 @@ #include "gspca.h" -#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 5) -static const char version[] = "2.1.5"; +#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 7) +static const char version[] = "2.1.7"; MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); MODULE_DESCRIPTION("Etoms USB Camera Driver"); @@ -229,201 +229,215 @@ static const __u8 I2c3[] = { 0x12, 0x05 }; static const __u8 I2c4[] = { 0x41, 0x08 }; -static void reg_r(struct usb_device *dev, - __u16 index, __u8 *buffer, int len) +/* 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; + +#ifdef CONFIG_VIDEO_ADV_DEBUG + if (len > sizeof gspca_dev->usb_buf) { + err("reg_r: buffer overflow"); + return; + } +#endif usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, - 0, index, buffer, len, 500); + 0, + index, gspca_dev->usb_buf, len, 500); + PDEBUG(D_USBI, "reg read [%02x] -> %02x ..", + index, gspca_dev->usb_buf[0]); } -static void reg_w_val(struct usb_device *dev, - __u16 index, __u8 val) +static void reg_w_val(struct gspca_dev *gspca_dev, + __u16 index, + __u8 val) { - __u8 data; + struct usb_device *dev = gspca_dev->dev; - data = val; + 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, &data, 1, 500); + 0, + index, gspca_dev->usb_buf, 1, 500); } -static void reg_w(struct usb_device *dev, - __u16 index, const __u8 *buffer, __u16 len) +static void reg_w(struct gspca_dev *gspca_dev, + __u16 index, + const __u8 *buffer, + __u16 len) { - __u8 tmpbuf[8]; + struct usb_device *dev = gspca_dev->dev; - memcpy(tmpbuf, buffer, len); +#ifdef CONFIG_VIDEO_ADV_DEBUG + if (len > sizeof gspca_dev->usb_buf) { + err("reg_w: buffer overflow"); + return; + } + PDEBUG(D_USBO, "reg write [%02x] = %02x..", index, *buffer); +#endif + 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, tmpbuf, len, 500); + 0, index, gspca_dev->usb_buf, len, 500); } -static int Et_i2cwrite(struct usb_device *dev, __u8 reg, - const __u8 *buffer, - __u16 len, __u8 mode) +static int i2c_w(struct gspca_dev *gspca_dev, + __u8 reg, + const __u8 *buffer, + __u16 len, __u8 mode) { /* buffer should be [D0..D7] */ __u8 ptchcount; /* set the base address */ - reg_w_val(dev, ET_I2C_BASE, 0x40); /* sensor base for the pas106 */ + 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(dev, ET_I2C_COUNT, ptchcount); + reg_w_val(gspca_dev, ET_I2C_COUNT, ptchcount); /* set the register base */ - reg_w_val(dev, ET_I2C_REG, reg); + reg_w_val(gspca_dev, ET_I2C_REG, reg); while (--len >= 0) - reg_w_val(dev, ET_I2C_DATA0 + len, buffer[len]); + reg_w_val(gspca_dev, ET_I2C_DATA0 + len, buffer[len]); return 0; } -static int Et_i2cread(struct usb_device *dev, __u8 reg, - __u8 *buffer, - __u16 length, __u8 mode) +static int i2c_r(struct gspca_dev *gspca_dev, + __u8 reg) { - /* buffer should be [D0..D7] */ - int i, j; - __u8 ptchcount; - /* set the base address */ - reg_w_val(dev, ET_I2C_BASE, 0x40); /* sensor base for the pas106 */ - /* set count and prefetch */ - ptchcount = ((length & 0x07) << 4) | (mode & 0x03); - reg_w_val(dev, ET_I2C_COUNT, ptchcount); - /* set the register base */ - reg_w_val(dev, ET_I2C_REG, reg); - reg_w_val(dev, ET_I2C_PREFETCH, 0x02); /* prefetch */ - reg_w_val(dev, ET_I2C_PREFETCH, 0); - j = length - 1; - for (i = 0; i < length; i++) { - reg_r(dev, (ET_I2C_DATA0 + j), &buffer[j], 1); - j--; - } + 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 usb_device *dev) +static int Et_WaitStatus(struct gspca_dev *gspca_dev) { - __u8 bytereceived; int retry = 10; while (retry--) { - reg_r(dev, ET_ClCK, &bytereceived, 1); - if (bytereceived != 0) + reg_r(gspca_dev, ET_ClCK, 1); + if (gspca_dev->usb_buf[0] != 0) return 1; } return 0; } -static int et_video(struct usb_device *dev, int on) +static int et_video(struct gspca_dev *gspca_dev, + int on) { - int err; + int ret; - reg_w_val(dev, ET_GPIO_OUT, on - ? 0x10 /* startvideo - set Bit5 */ - : 0); /* stopvideo */ - err = Et_WaitStatus(dev); - if (!err) + reg_w_val(gspca_dev, ET_GPIO_OUT, + on ? 0x10 /* startvideo - set Bit5 */ + : 0); /* stopvideo */ + ret = Et_WaitStatus(gspca_dev); + if (ret != 0) PDEBUG(D_ERR, "timeout video on/off"); - return err; + return ret; } static void Et_init2(struct gspca_dev *gspca_dev) { - struct usb_device *dev = gspca_dev->dev; __u8 value; - __u8 received; static const __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 }; PDEBUG(D_STREAM, "Open Init2 ET"); - reg_w_val(dev, ET_GPIO_DIR_CTRL, 0x2f); - reg_w_val(dev, ET_GPIO_OUT, 0x10); - reg_r(dev, ET_GPIO_IN, &received, 1); - reg_w_val(dev, ET_ClCK, 0x14); /* 0x14 // 0x16 enabled pattern */ - reg_w_val(dev, ET_CTRL, 0x1b); + 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(dev, ET_COMP, value); - reg_w_val(dev, ET_MAXQt, 0x1f); - reg_w_val(dev, ET_MINQt, 0x04); + 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(dev, ET_REG1d, 0xff); - reg_w_val(dev, ET_REG1e, 0xff); - reg_w_val(dev, ET_REG1f, 0xff); - reg_w_val(dev, ET_REG20, 0x35); - reg_w_val(dev, ET_REG21, 0x01); - reg_w_val(dev, ET_REG22, 0x00); - reg_w_val(dev, ET_REG23, 0xff); - reg_w_val(dev, ET_REG24, 0xff); - reg_w_val(dev, ET_REG25, 0x0f); + 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(dev, 0x30, 0x11); /* 0x30 */ - reg_w_val(dev, 0x31, 0x40); - reg_w_val(dev, 0x32, 0x00); - reg_w_val(dev, ET_O_RED, 0x00); /* 0x34 */ - reg_w_val(dev, ET_O_GREEN1, 0x00); - reg_w_val(dev, ET_O_BLUE, 0x00); - reg_w_val(dev, ET_O_GREEN2, 0x00); + 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(dev, ET_G_RED, 0x80); /* 0x4d */ - reg_w_val(dev, ET_G_GREEN1, 0x80); - reg_w_val(dev, ET_G_BLUE, 0x80); - reg_w_val(dev, ET_G_GREEN2, 0x80); - reg_w_val(dev, ET_G_GR_H, 0x00); - reg_w_val(dev, ET_G_GB_H, 0x00); /* 0x52 */ + 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(dev, 0x61, 0x80); /* use cmc_out */ - reg_w_val(dev, 0x62, 0x02); - reg_w_val(dev, 0x63, 0x03); - reg_w_val(dev, 0x64, 0x14); - reg_w_val(dev, 0x65, 0x0e); - reg_w_val(dev, 0x66, 0x02); - reg_w_val(dev, 0x67, 0x02); + 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(dev, ET_SYNCHRO, 0x8f); /* 0x68 */ - reg_w_val(dev, ET_STARTX, 0x69); /* 0x6a //0x69 */ - reg_w_val(dev, ET_STARTY, 0x0d); /* 0x0d //0x0c */ - reg_w_val(dev, ET_WIDTH_LOW, 0x80); - reg_w_val(dev, ET_HEIGTH_LOW, 0xe0); - reg_w_val(dev, ET_W_H_HEIGTH, 0x60); /* 6d */ - reg_w_val(dev, ET_REG6e, 0x86); - reg_w_val(dev, ET_REG6f, 0x01); - reg_w_val(dev, ET_REG70, 0x26); - reg_w_val(dev, ET_REG71, 0x7a); - reg_w_val(dev, ET_REG72, 0x01); + 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(dev, ET_REG73, 0x00); - reg_w_val(dev, ET_REG74, 0x18); /* 0x28 */ - reg_w_val(dev, ET_REG75, 0x0f); /* 0x01 */ + 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(dev, 0x8a, 0x20); - reg_w_val(dev, 0x8d, 0x0f); - reg_w_val(dev, 0x8e, 0x08); + reg_w_val(gspca_dev, 0x8a, 0x20); + reg_w_val(gspca_dev, 0x8d, 0x0f); + reg_w_val(gspca_dev, 0x8e, 0x08); /**************************************/ - reg_w_val(dev, 0x03, 0x08); - reg_w_val(dev, ET_PXL_CLK, 0x03); - reg_w_val(dev, 0x81, 0xff); - reg_w_val(dev, 0x80, 0x00); - reg_w_val(dev, 0x81, 0xff); - reg_w_val(dev, 0x80, 0x20); - reg_w_val(dev, 0x03, 0x01); - reg_w_val(dev, 0x03, 0x00); - reg_w_val(dev, 0x03, 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(dev, ET_I2C_BASE, &received, 1); +/* 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) @@ -435,25 +449,24 @@ static void Et_init2(struct gspca_dev *gspca_dev) * 0x0b -> 24/(11+1) = 2 Mhz * 0x17 -> 24/(23+1) = 1 Mhz */ - reg_w_val(dev, ET_PXL_CLK, value); + reg_w_val(gspca_dev, ET_PXL_CLK, value); /* now set by fifo the FormatLine setting */ - reg_w(dev, 0x62, FormLine, 6); + reg_w(gspca_dev, 0x62, FormLine, 6); /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */ - reg_w_val(dev, 0x81, 0x47); /* 0x47; */ - reg_w_val(dev, 0x80, 0x40); /* 0x40; */ + 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(dev, 0x81, 0x30); /* 0x20; - set brightness */ - reg_w_val(dev, 0x80, 0x20); /* 0x20; */ + reg_w_val(gspca_dev, 0x81, 0x30); /* 0x20; - set brightness */ + reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */ } static void setcolors(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d }; __u8 i2cflags = 0x01; /* __u8 green = 0; */ @@ -464,8 +477,8 @@ static void setcolors(struct gspca_dev *gspca_dev) /* 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); + i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3); + i2c_w(gspca_dev, PAS106_REG9, I2cc, sizeof I2cc, 1); } /* PDEBUG(D_CONF , "Etoms red %d blue %d green %d", I2cc[3], I2cc[0], green); */ @@ -474,21 +487,17 @@ static void setcolors(struct gspca_dev *gspca_dev) static void getcolors(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; -/* __u8 valblue; */ - __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; +/* i2c_r(gspca_dev, PAS106_REG9); * blue */ + i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */ + sd->colors = gspca_dev->usb_buf[0] & 0x0f; } } static void Et_init1(struct gspca_dev *gspca_dev) { - struct usb_device *dev = gspca_dev->dev; __u8 value; - __u8 received; /* __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 */ @@ -496,12 +505,12 @@ static void Et_init1(struct gspca_dev *gspca_dev) * 1/60000 hmm ?? */ PDEBUG(D_STREAM, "Open Init1 ET"); - reg_w_val(dev, ET_GPIO_DIR_CTRL, 7); - reg_r(dev, ET_GPIO_IN, &received, 1); - reg_w_val(dev, ET_RESET_ALL, 1); - reg_w_val(dev, ET_RESET_ALL, 0); - reg_w_val(dev, ET_ClCK, 0x10); - reg_w_val(dev, ET_CTRL, 0x19); + 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; @@ -510,80 +519,79 @@ static void Et_init1(struct gspca_dev *gspca_dev) PDEBUG(D_STREAM, "Open mode %d Compression %d", gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv, value); - reg_w_val(dev, ET_COMP, value); - reg_w_val(dev, ET_MAXQt, 0x1d); - reg_w_val(dev, ET_MINQt, 0x02); + 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(dev, ET_REG1d, 0xff); - reg_w_val(dev, ET_REG1e, 0xff); - reg_w_val(dev, ET_REG1f, 0xff); - reg_w_val(dev, ET_REG20, 0x35); - reg_w_val(dev, ET_REG21, 0x01); - reg_w_val(dev, ET_REG22, 0x00); - reg_w_val(dev, ET_REG23, 0xf7); - reg_w_val(dev, ET_REG24, 0xff); - reg_w_val(dev, ET_REG25, 0x07); + 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(dev, ET_G_RED, 0x80); - reg_w_val(dev, ET_G_GREEN1, 0x80); - reg_w_val(dev, ET_G_BLUE, 0x80); - reg_w_val(dev, ET_G_GREEN2, 0x80); - reg_w_val(dev, ET_G_GR_H, 0x00); - reg_w_val(dev, ET_G_GB_H, 0x00); + 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(dev, ET_SYNCHRO, 0xf0); - reg_w_val(dev, ET_STARTX, 0x56); /* 0x56 */ - reg_w_val(dev, ET_STARTY, 0x05); /* 0x04 */ - reg_w_val(dev, ET_WIDTH_LOW, 0x60); - reg_w_val(dev, ET_HEIGTH_LOW, 0x20); - reg_w_val(dev, ET_W_H_HEIGTH, 0x50); - reg_w_val(dev, ET_REG6e, 0x86); - reg_w_val(dev, ET_REG6f, 0x01); - reg_w_val(dev, ET_REG70, 0x86); - reg_w_val(dev, ET_REG71, 0x14); - reg_w_val(dev, ET_REG72, 0x00); + 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(dev, ET_REG73, 0x00); - reg_w_val(dev, ET_REG74, 0x00); - reg_w_val(dev, ET_REG75, 0x0a); - reg_w_val(dev, ET_I2C_CLK, 0x04); - reg_w_val(dev, ET_PXL_CLK, 0x01); + 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; - Et_i2cwrite(dev, PAS106_REG2, I2c0, sizeof I2c0, 1); - Et_i2cwrite(dev, PAS106_REG9, I2c2, sizeof I2c2, 1); + i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1); + i2c_w(gspca_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); + i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1); + i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1); /* value = 0x1f; */ value = 0x04; - Et_i2cwrite(dev, PAS106_REG0e, &value, 1, 1); + i2c_w(gspca_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); + i2c_w(gspca_dev, PAS106_REG2, I2c0, sizeof I2c0, 1); + i2c_w(gspca_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); + i2c_w(gspca_dev, PAS106_REG2, &value, 1, 1); + i2c_w(gspca_dev, PAS106_REG3, I2c3, sizeof I2c3, 1); value = 0x04; /* value = 0x10; */ - Et_i2cwrite(dev, PAS106_REG0e, &value, 1, 1); + i2c_w(gspca_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); + i2c_w(gspca_dev, PAS106_REG0f, &value, 1, 1); */ } /* value = 0x01; */ /* value = 0x22; */ -/* Et_i2cwrite(dev, PAS106_REG5, &value, 1, 1); */ +/* i2c_w(gspca_dev, PAS106_REG5, &value, 1, 1); */ /* magnetude and sign bit for DAC */ - Et_i2cwrite(dev, PAS106_REG7, I2c4, sizeof I2c4, 1); + i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1); /* now set by fifo the whole colors setting */ - reg_w(dev, ET_G_RED, GainRGBG, 6); + reg_w(gspca_dev, ET_G_RED, GainRGBG, 6); getcolors(gspca_dev); setcolors(gspca_dev); } @@ -632,14 +640,13 @@ static int sd_config(struct gspca_dev *gspca_dev, static int sd_open(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; if (sd->sensor == SENSOR_PAS106) Et_init1(gspca_dev); else Et_init2(gspca_dev); - reg_w_val(dev, ET_RESET_ALL, 0x08); - et_video(dev, 0); /* video off */ + reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); + et_video(gspca_dev, 0); /* video off */ return 0; } @@ -647,20 +654,19 @@ static int sd_open(struct gspca_dev *gspca_dev) static void sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; if (sd->sensor == SENSOR_PAS106) Et_init1(gspca_dev); else Et_init2(gspca_dev); - reg_w_val(dev, ET_RESET_ALL, 0x08); - et_video(dev, 1); /* video on */ + reg_w_val(gspca_dev, ET_RESET_ALL, 0x08); + et_video(gspca_dev, 1); /* video on */ } static void sd_stopN(struct gspca_dev *gspca_dev) { - et_video(gspca_dev->dev, 0); /* video off */ + et_video(gspca_dev, 0); /* video off */ } static void sd_stop0(struct gspca_dev *gspca_dev) @@ -678,7 +684,7 @@ static void setbrightness(struct gspca_dev *gspca_dev) __u8 brightness = sd->brightness; for (i = 0; i < 4; i++) - reg_w_val(gspca_dev->dev, (ET_O_RED + i), brightness); + reg_w_val(gspca_dev, ET_O_RED + i, brightness); } static void getbrightness(struct gspca_dev *gspca_dev) @@ -686,11 +692,10 @@ static void getbrightness(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int i; int brightness = 0; - __u8 value; for (i = 0; i < 4; i++) { - reg_r(gspca_dev->dev, (ET_O_RED + i), &value, 1); - brightness += value; + reg_r(gspca_dev, ET_O_RED + i, 1); + brightness += gspca_dev->usb_buf[0]; } sd->brightness = brightness >> 3; } @@ -701,8 +706,8 @@ static void setcontrast(struct gspca_dev *gspca_dev) __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; __u8 contrast = sd->contrast; - memset(RGBG, contrast, sizeof RGBG - 2); - reg_w(gspca_dev->dev, ET_G_RED, RGBG, 6); + memset(RGBG, contrast, sizeof(RGBG) - 2); + reg_w(gspca_dev, ET_G_RED, RGBG, 6); } static void getcontrast(struct gspca_dev *gspca_dev) @@ -710,11 +715,10 @@ 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++) { - reg_r(gspca_dev->dev, (ET_G_RED + i), &value, 1); - contrast += value; + reg_r(gspca_dev, ET_G_RED + i, 1); + contrast += gspca_dev->usb_buf[0]; } sd->contrast = contrast >> 2; } @@ -722,12 +726,11 @@ static void getcontrast(struct gspca_dev *gspca_dev) 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; + i2c_r(gspca_dev, PAS106_REG0e); + PDEBUG(D_CONF, "Etoms gain G %d", gspca_dev->usb_buf[0]); + return gspca_dev->usb_buf[0]; } return 0x1f; } @@ -735,12 +738,12 @@ static __u8 Et_getgainG(struct gspca_dev *gspca_dev) 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); + __u8 i2cflags = 0x01; + + i2c_w(gspca_dev, PAS106_REG13, &i2cflags, 1, 3); + i2c_w(gspca_dev, PAS106_REG0e, &gain, 1, 1); } } @@ -751,8 +754,6 @@ static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain) 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; @@ -761,10 +762,10 @@ static void setautogain(struct gspca_dev *gspca_dev) __u8 r, g, b; Gbright = Et_getgainG(gspca_dev); - reg_r(dev, ET_LUMA_CENTER, GRBG, 4); - g = (GRBG[0] + GRBG[3]) >> 1; - r = GRBG[1]; - b = GRBG[2]; + 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; |