diff options
| -rw-r--r-- | drivers/media/video/gspca/ov534.c | 104 |
1 files changed, 53 insertions, 51 deletions
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c index d5c74d65ce8a..406f6bc12d9f 100644 --- a/drivers/media/video/gspca/ov534.c +++ b/drivers/media/video/gspca/ov534.c @@ -63,65 +63,66 @@ static struct v4l2_pix_format vga_mode[] = { .priv = 0}, }; -static void ov534_reg_write(struct usb_device *udev, u16 reg, u8 val) +static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) { - u8 data = val; + struct usb_device *udev = gspca_dev->dev; int ret; PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val); + gspca_dev->usb_buf[0] = val; ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x1, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0, reg, &data, 1, CTRL_TIMEOUT); + 0x0, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); if (ret < 0) PDEBUG(D_ERR, "write failed"); } -static u8 ov534_reg_read(struct usb_device *udev, u16 reg) +static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg) { - u8 data; + struct usb_device *udev = gspca_dev->dev; int ret; ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x1, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0, reg, &data, 1, CTRL_TIMEOUT); - PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, data); + 0x0, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); + PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]); if (ret < 0) PDEBUG(D_ERR, "read failed"); - return data; + return gspca_dev->usb_buf[0]; } /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. * (direction and output)? */ -static void ov534_set_led(struct usb_device *udev, int status) +static void ov534_set_led(struct gspca_dev *gspca_dev, int status) { u8 data; PDEBUG(D_CONF, "led status: %d", status); - data = ov534_reg_read(udev, 0x21); + data = ov534_reg_read(gspca_dev, 0x21); data |= 0x80; - ov534_reg_write(udev, 0x21, data); + ov534_reg_write(gspca_dev, 0x21, data); - data = ov534_reg_read(udev, 0x23); + data = ov534_reg_read(gspca_dev, 0x23); if (status) data |= 0x80; else data &= ~(0x80); - ov534_reg_write(udev, 0x23, data); + ov534_reg_write(gspca_dev, 0x23, data); } -static int sccb_check_status(struct usb_device *udev) +static int sccb_check_status(struct gspca_dev *gspca_dev) { u8 data; int i; for (i = 0; i < 5; i++) { - data = ov534_reg_read(udev, OV534_REG_STATUS); + data = ov534_reg_read(gspca_dev, OV534_REG_STATUS); switch (data) { case 0x00: @@ -138,30 +139,30 @@ static int sccb_check_status(struct usb_device *udev) return 0; } -static void sccb_reg_write(struct usb_device *udev, u16 reg, u8 val) +static void sccb_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) { PDEBUG(D_USBO, "reg: 0x%04x, val: 0x%02x", reg, val); - ov534_reg_write(udev, OV534_REG_SUBADDR, reg); - ov534_reg_write(udev, OV534_REG_WRITE, val); - ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_WRITE_3); + ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); + ov534_reg_write(gspca_dev, OV534_REG_WRITE, val); + ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3); - if (!sccb_check_status(udev)) + if (!sccb_check_status(gspca_dev)) PDEBUG(D_ERR, "sccb_reg_write failed"); } #ifdef GSPCA_DEBUG -static u8 sccb_reg_read(struct usb_device *udev, u16 reg) +static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg) { - ov534_reg_write(udev, OV534_REG_SUBADDR, reg); - ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_WRITE_2); - if (!sccb_check_status(udev)) + ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); + ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2); + if (!sccb_check_status(gspca_dev)) PDEBUG(D_ERR, "sccb_reg_read failed 1"); - ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_READ_2); - if (!sccb_check_status(udev)) + ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2); + if (!sccb_check_status(gspca_dev)) PDEBUG(D_ERR, "sccb_reg_read failed 2"); - return ov534_reg_read(udev, OV534_REG_READ); + return ov534_reg_read(gspca_dev, OV534_REG_READ); } #endif @@ -318,26 +319,26 @@ static void ov534_set_frame_rate(struct gspca_dev *gspca_dev) switch (fr) { case 50: - sccb_reg_write(gspca_dev->dev, 0x11, 0x01); - sccb_reg_write(gspca_dev->dev, 0x0d, 0x41); - ov534_reg_write(gspca_dev->dev, 0xe5, 0x02); + sccb_reg_write(gspca_dev, 0x11, 0x01); + sccb_reg_write(gspca_dev, 0x0d, 0x41); + ov534_reg_write(gspca_dev, 0xe5, 0x02); break; case 40: - sccb_reg_write(gspca_dev->dev, 0x11, 0x02); - sccb_reg_write(gspca_dev->dev, 0x0d, 0xc1); - ov534_reg_write(gspca_dev->dev, 0xe5, 0x04); + sccb_reg_write(gspca_dev, 0x11, 0x02); + sccb_reg_write(gspca_dev, 0x0d, 0xc1); + ov534_reg_write(gspca_dev, 0xe5, 0x04); break; /* case 30: */ default: fr = 30; - sccb_reg_write(gspca_dev->dev, 0x11, 0x04); - sccb_reg_write(gspca_dev->dev, 0x0d, 0x81); - ov534_reg_write(gspca_dev->dev, 0xe5, 0x02); + sccb_reg_write(gspca_dev, 0x11, 0x04); + sccb_reg_write(gspca_dev, 0x0d, 0x81); + ov534_reg_write(gspca_dev, 0xe5, 0x02); break; case 15: - sccb_reg_write(gspca_dev->dev, 0x11, 0x03); - sccb_reg_write(gspca_dev->dev, 0x0d, 0x41); - ov534_reg_write(gspca_dev->dev, 0xe5, 0x04); + sccb_reg_write(gspca_dev, 0x11, 0x03); + sccb_reg_write(gspca_dev, 0x0d, 0x41); + ov534_reg_write(gspca_dev, 0xe5, 0x04); break; } @@ -346,27 +347,28 @@ static void ov534_set_frame_rate(struct gspca_dev *gspca_dev) } /* setup method */ -static void ov534_setup(struct usb_device *udev) +static void ov534_setup(struct gspca_dev *gspca_dev) { int i; /* Initialize bridge chip */ for (i = 0; i < ARRAY_SIZE(ov534_reg_initdata); i++) - ov534_reg_write(udev, ov534_reg_initdata[i][0], + ov534_reg_write(gspca_dev, ov534_reg_initdata[i][0], ov534_reg_initdata[i][1]); PDEBUG(D_PROBE, "sensor is ov%02x%02x", - sccb_reg_read(udev, 0x0a), sccb_reg_read(udev, 0x0b)); + sccb_reg_read(gspca_dev, 0x0a), + sccb_reg_read(gspca_dev, 0x0b)); - ov534_set_led(udev, 1); + ov534_set_led(gspca_dev, 1); /* Initialize sensor */ for (i = 0; i < ARRAY_SIZE(ov772x_reg_initdata); i++) - sccb_reg_write(udev, ov772x_reg_initdata[i][0], + sccb_reg_write(gspca_dev, ov772x_reg_initdata[i][0], ov772x_reg_initdata[i][1]); - ov534_reg_write(udev, 0xe0, 0x09); - ov534_set_led(udev, 0); + ov534_reg_write(gspca_dev, 0xe0, 0x09); + ov534_set_led(gspca_dev, 0); } /* this function is called at probe time */ @@ -390,7 +392,7 @@ static int sd_config(struct gspca_dev *gspca_dev, /* this function is called at probe and resume time */ static int sd_init(struct gspca_dev *gspca_dev) { - ov534_setup(gspca_dev->dev); + ov534_setup(gspca_dev); ov534_set_frame_rate(gspca_dev); return 0; @@ -399,8 +401,8 @@ static int sd_init(struct gspca_dev *gspca_dev) static int sd_start(struct gspca_dev *gspca_dev) { /* start streaming data */ - ov534_set_led(gspca_dev->dev, 1); - ov534_reg_write(gspca_dev->dev, 0xe0, 0x00); + ov534_set_led(gspca_dev, 1); + ov534_reg_write(gspca_dev, 0xe0, 0x00); return 0; } @@ -408,8 +410,8 @@ static int sd_start(struct gspca_dev *gspca_dev) static void sd_stopN(struct gspca_dev *gspca_dev) { /* stop streaming data */ - ov534_reg_write(gspca_dev->dev, 0xe0, 0x09); - ov534_set_led(gspca_dev->dev, 0); + ov534_reg_write(gspca_dev, 0xe0, 0x09); + ov534_set_led(gspca_dev, 0); } /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ |