V4L/DVB (10347): gspca - mars: Optimize, rewrite initialization and add controls.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-Francois Moine
Mauro Carvalho Chehab
Родитель
3ab67baf36
Коммит
a0306bfa01
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@ -32,16 +32,86 @@ MODULE_LICENSE("GPL");
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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u8 brightness;
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u8 colors;
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u8 gamma;
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u8 sharpness;
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};
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/* V4L2 controls supported by the driver */
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static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setgamma(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getgamma(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
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static struct ctrl sd_ctrls[] = {
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{
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{
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.id = V4L2_CID_BRIGHTNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Brightness",
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.minimum = 0,
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.maximum = 30,
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.step = 1,
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#define BRIGHTNESS_DEF 15
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.default_value = BRIGHTNESS_DEF,
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},
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.set = sd_setbrightness,
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.get = sd_getbrightness,
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},
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{
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{
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.id = V4L2_CID_SATURATION,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Color",
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.minimum = 0,
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.maximum = 220,
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.step = 1,
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#define COLOR_DEF 190
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.default_value = COLOR_DEF,
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},
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.set = sd_setcolors,
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.get = sd_getcolors,
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},
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{
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{
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.id = V4L2_CID_GAMMA,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Gamma",
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.minimum = 0,
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.maximum = 3,
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.step = 1,
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#define GAMMA_DEF 1
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.default_value = GAMMA_DEF,
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},
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.set = sd_setgamma,
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.get = sd_getgamma,
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},
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{
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{
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.id = V4L2_CID_SHARPNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Sharpness",
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.minimum = 0,
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.maximum = 2,
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.step = 1,
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#define SHARPNESS_DEF 1
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.default_value = SHARPNESS_DEF,
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},
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.set = sd_setsharpness,
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.get = sd_getsharpness,
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},
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};
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static const struct v4l2_pix_format vga_mode[] = {
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{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240 * 3 / 8 + 589,
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.sizeimage = 320 * 240 * 3 / 8 + 590,
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.colorspace = V4L2_COLORSPACE_JPEG,
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.priv = 2},
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{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
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@ -51,76 +121,62 @@ static const struct v4l2_pix_format vga_mode[] = {
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.priv = 1},
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};
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/* MI Register table //elvis */
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enum {
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REG_HW_MI_0,
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REG_HW_MI_1,
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REG_HW_MI_2,
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REG_HW_MI_3,
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REG_HW_MI_4,
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REG_HW_MI_5,
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REG_HW_MI_6,
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REG_HW_MI_7,
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REG_HW_MI_9 = 0x09,
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REG_HW_MI_B = 0x0B,
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REG_HW_MI_C,
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REG_HW_MI_D,
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REG_HW_MI_1E = 0x1E,
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REG_HW_MI_20 = 0x20,
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REG_HW_MI_2B = 0x2B,
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REG_HW_MI_2C,
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REG_HW_MI_2D,
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REG_HW_MI_2E,
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REG_HW_MI_35 = 0x35,
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REG_HW_MI_5F = 0x5f,
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REG_HW_MI_60,
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REG_HW_MI_61,
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REG_HW_MI_62,
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REG_HW_MI_63,
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REG_HW_MI_64,
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REG_HW_MI_F1 = 0xf1,
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ATTR_TOTAL_MI_REG = 0xf2
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static const __u8 mi_data[0x20] = {
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/* 01 02 03 04 05 06 07 08 */
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0x48, 0x22, 0x01, 0x47, 0x10, 0x00, 0x00, 0x00,
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/* 09 0a 0b 0c 0d 0e 0f 10 */
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0x00, 0x01, 0x30, 0x01, 0x30, 0x01, 0x30, 0x01,
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/* 11 12 13 14 15 16 17 18 */
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0x30, 0x00, 0x04, 0x00, 0x06, 0x01, 0xe2, 0x02,
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/* 19 1a 1b 1c 1d 1e 1f 20 */
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0x82, 0x00, 0x20, 0x17, 0x80, 0x08, 0x0c, 0x00
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};
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/* the bytes to write are in gspca_dev->usb_buf */
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/* write <len> bytes from gspca_dev->usb_buf */
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static int reg_w(struct gspca_dev *gspca_dev,
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__u16 index, int len)
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int len)
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{
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int rc;
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int alen, ret;
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rc = usb_control_msg(gspca_dev->dev,
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usb_sndbulkpipe(gspca_dev->dev, 4),
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0x12,
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0xc8, /* ?? */
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0, /* value */
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index, gspca_dev->usb_buf, len, 500);
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if (rc < 0)
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PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc);
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return rc;
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ret = usb_bulk_msg(gspca_dev->dev,
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usb_sndbulkpipe(gspca_dev->dev, 4),
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gspca_dev->usb_buf,
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len,
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&alen,
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500); /* timeout in milliseconds */
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if (ret < 0)
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PDEBUG(D_ERR, "reg write [%02x] error %d",
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gspca_dev->usb_buf[0], ret);
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return ret;
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}
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static void bulk_w(struct gspca_dev *gspca_dev,
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__u16 *pch,
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__u16 Address)
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static void mi_w(struct gspca_dev *gspca_dev,
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u8 addr,
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u8 value)
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{
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gspca_dev->usb_buf[0] = 0x1f;
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gspca_dev->usb_buf[1] = 0; /* control byte */
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gspca_dev->usb_buf[2] = Address;
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gspca_dev->usb_buf[3] = *pch >> 8; /* high byte */
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gspca_dev->usb_buf[4] = *pch; /* low byte */
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gspca_dev->usb_buf[2] = addr;
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gspca_dev->usb_buf[3] = value;
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reg_w(gspca_dev, Address, 5);
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reg_w(gspca_dev, 4);
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}
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/* this function is called at probe time */
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static int sd_config(struct gspca_dev *gspca_dev,
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const struct usb_device_id *id)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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struct cam *cam;
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cam = &gspca_dev->cam;
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cam->cam_mode = vga_mode;
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cam->nmodes = ARRAY_SIZE(vga_mode);
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sd->brightness = BRIGHTNESS_DEF;
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sd->colors = COLOR_DEF;
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sd->gamma = GAMMA_DEF;
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sd->sharpness = SHARPNESS_DEF;
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gspca_dev->iface = 9; /* use the altsetting 08 */
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return 0;
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}
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@ -132,24 +188,16 @@ static int sd_init(struct gspca_dev *gspca_dev)
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static int sd_start(struct gspca_dev *gspca_dev)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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int err_code;
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__u8 *data;
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__u16 *MI_buf;
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int h_size, v_size;
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int intpipe;
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PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface);
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err_code = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 8);
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if (err_code < 0) {
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PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error");
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return err_code;
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}
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u8 *data;
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int i, val;
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data = gspca_dev->usb_buf;
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data[0] = 0x01; /* address */
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data[1] = 0x01;
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err_code = reg_w(gspca_dev, data[0], 2);
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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@ -159,30 +207,28 @@ static int sd_start(struct gspca_dev *gspca_dev)
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data[0] = 0x00; /* address */
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data[1] = 0x0c | 0x01; /* reg 0 */
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data[2] = 0x01; /* reg 1 */
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h_size = gspca_dev->width;
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v_size = gspca_dev->height;
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data[3] = h_size / 8; /* h_size , reg 2 */
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data[4] = v_size / 8; /* v_size , reg 3 */
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data[3] = gspca_dev->width / 8; /* h_size , reg 2 */
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data[4] = gspca_dev->height / 8; /* v_size , reg 3 */
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data[5] = 0x30; /* reg 4, MI, PAS5101 :
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* 0x30 for 24mhz , 0x28 for 12mhz */
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data[6] = 4; /* reg 5, H start */
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data[7] = 0xc0; /* reg 6, gamma 1.5 */
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data[8] = 3; /* reg 7, V start */
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data[6] = 0x02; /* reg 5, H start - was 0x04 */
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data[7] = sd->gamma * 0x40; /* reg 0x06: gamma */
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data[8] = 0x01; /* reg 7, V start - was 0x03 */
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/* if (h_size == 320 ) */
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/* data[9]= 0x56; * reg 8, 24MHz, 2:1 scale down */
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/* else */
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data[9] = 0x52; /* reg 8, 24MHz, no scale down */
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data[10] = 0x5d; /* reg 9, I2C device address
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* [for PAS5101 (0x40)] [for MI (0x5d)] */
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/*jfm: from win trace*/
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data[10] = 0x18;
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err_code = reg_w(gspca_dev, data[0], 11);
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err_code = reg_w(gspca_dev, 11);
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if (err_code < 0)
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return err_code;
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data[0] = 0x23; /* address */
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data[1] = 0x09; /* reg 35, append frame header */
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err_code = reg_w(gspca_dev, data[0], 2);
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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@ -193,137 +239,55 @@ static int sd_start(struct gspca_dev *gspca_dev)
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/* else */
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data[1] = 50; /* 50 reg 60, pc-cam frame size
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* (unit: 4KB) 200KB */
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err_code = reg_w(gspca_dev, data[0], 2);
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err_code = reg_w(gspca_dev, 2);
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if (err_code < 0)
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return err_code;
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if (0) { /* fixed dark-gain */
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data[1] = 0; /* reg 94, Y Gain (1.75) */
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data[2] = 0; /* reg 95, UV Gain (1.75) */
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data[3] = 0x3f; /* reg 96, Y Gain/UV Gain/disable
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* auto dark-gain */
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data[4] = 0; /* reg 97, set fixed dark level */
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data[5] = 0; /* reg 98, don't care */
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} else { /* auto dark-gain */
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data[1] = 0; /* reg 94, Y Gain (auto) */
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data[2] = 0; /* reg 95, UV Gain (1.75) */
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data[3] = 0x78; /* reg 96, Y Gain/UV Gain/disable
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* auto dark-gain */
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switch (gspca_dev->width) {
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/* case 1280: */
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/* data[4] = 154;
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* reg 97, %3 shadow point (unit: 256 pixel) */
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/* data[5] = 51;
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* reg 98, %1 highlight point
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* (uint: 256 pixel) */
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/* break; */
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default:
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/* case 640: */
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data[4] = 36; /* reg 97, %3 shadow point
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* (unit: 256 pixel) */
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data[5] = 12; /* reg 98, %1 highlight point
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* (uint: 256 pixel) */
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break;
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case 320:
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data[4] = 9; /* reg 97, %3 shadow point
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* (unit: 256 pixel) */
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data[5] = 3; /* reg 98, %1 highlight point
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* (uint: 256 pixel) */
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break;
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}
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}
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/* auto dark-gain */
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data[0] = 0x5e; /* address */
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data[1] = 0; /* reg 94, Y Gain (auto) */
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/*jfm: from win trace*/
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val = sd->colors * 0x40 + 0x400;
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data[2] = val; /* reg 0x5f/0x60 (LE) = saturation */
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data[3] = val >> 8;
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data[4] = sd->brightness; /* reg 0x61 = brightness */
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data[5] = 0x00;
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err_code = reg_w(gspca_dev, data[0], 6);
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err_code = reg_w(gspca_dev, 6);
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if (err_code < 0)
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return err_code;
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data[0] = 0x67;
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data[1] = 0x13; /* reg 103, first pixel B, disable sharpness */
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err_code = reg_w(gspca_dev, data[0], 2);
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/*jfm: from win trace*/
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data[1] = sd->sharpness * 4 + 3;
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data[2] = 0x14;
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err_code = reg_w(gspca_dev, 3);
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if (err_code < 0)
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return err_code;
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/*
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* initialize the value of MI sensor...
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*/
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MI_buf = kzalloc(ATTR_TOTAL_MI_REG * sizeof *MI_buf, GFP_KERNEL);
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MI_buf[REG_HW_MI_1] = 0x000a;
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MI_buf[REG_HW_MI_2] = 0x000c;
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MI_buf[REG_HW_MI_3] = 0x0405;
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MI_buf[REG_HW_MI_4] = 0x0507;
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/* mi_Attr_Reg_[REG_HW_MI_5] = 0x01ff;//13 */
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MI_buf[REG_HW_MI_5] = 0x0013; /* 13 */
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MI_buf[REG_HW_MI_6] = 0x001f; /* vertical blanking */
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/* mi_Attr_Reg_[REG_HW_MI_6] = 0x0400; // vertical blanking */
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MI_buf[REG_HW_MI_7] = 0x0002;
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/* mi_Attr_Reg_[REG_HW_MI_9] = 0x015f; */
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/* mi_Attr_Reg_[REG_HW_MI_9] = 0x030f; */
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MI_buf[REG_HW_MI_9] = 0x0374;
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MI_buf[REG_HW_MI_B] = 0x0000;
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MI_buf[REG_HW_MI_C] = 0x0000;
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MI_buf[REG_HW_MI_D] = 0x0000;
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MI_buf[REG_HW_MI_1E] = 0x8000;
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/* mi_Attr_Reg_[REG_HW_MI_20] = 0x1104; */
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MI_buf[REG_HW_MI_20] = 0x1104; /* 0x111c; */
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MI_buf[REG_HW_MI_2B] = 0x0008;
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/* mi_Attr_Reg_[REG_HW_MI_2C] = 0x000f; */
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MI_buf[REG_HW_MI_2C] = 0x001f; /* lita suggest */
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MI_buf[REG_HW_MI_2D] = 0x0008;
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MI_buf[REG_HW_MI_2E] = 0x0008;
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MI_buf[REG_HW_MI_35] = 0x0051;
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MI_buf[REG_HW_MI_5F] = 0x0904; /* fail to write */
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MI_buf[REG_HW_MI_60] = 0x0000;
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MI_buf[REG_HW_MI_61] = 0x0000;
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MI_buf[REG_HW_MI_62] = 0x0498;
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MI_buf[REG_HW_MI_63] = 0x0000;
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MI_buf[REG_HW_MI_64] = 0x0000;
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MI_buf[REG_HW_MI_F1] = 0x0001;
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/* changing while setting up the different value of dx/dy */
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data[0] = 0x69;
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data[1] = 0x2f;
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data[2] = 0x28;
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data[3] = 0x42;
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err_code = reg_w(gspca_dev, 4);
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if (err_code < 0)
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return err_code;
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if (gspca_dev->width != 1280) {
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MI_buf[0x01] = 0x010a;
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MI_buf[0x02] = 0x014c;
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MI_buf[0x03] = 0x01e5;
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MI_buf[0x04] = 0x0287;
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}
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MI_buf[0x20] = 0x1104;
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data[0] = 0x63;
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data[1] = 0x07;
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err_code = reg_w(gspca_dev, 2);
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/*jfm: win trace - many writes here to reg 0x64*/
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if (err_code < 0)
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return err_code;
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bulk_w(gspca_dev, MI_buf + 1, 1);
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bulk_w(gspca_dev, MI_buf + 2, 2);
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bulk_w(gspca_dev, MI_buf + 3, 3);
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bulk_w(gspca_dev, MI_buf + 4, 4);
|
||||
bulk_w(gspca_dev, MI_buf + 5, 5);
|
||||
bulk_w(gspca_dev, MI_buf + 6, 6);
|
||||
bulk_w(gspca_dev, MI_buf + 7, 7);
|
||||
bulk_w(gspca_dev, MI_buf + 9, 9);
|
||||
bulk_w(gspca_dev, MI_buf + 0x0b, 0x0b);
|
||||
bulk_w(gspca_dev, MI_buf + 0x0c, 0x0c);
|
||||
bulk_w(gspca_dev, MI_buf + 0x0d, 0x0d);
|
||||
bulk_w(gspca_dev, MI_buf + 0x1e, 0x1e);
|
||||
bulk_w(gspca_dev, MI_buf + 0x20, 0x20);
|
||||
bulk_w(gspca_dev, MI_buf + 0x2b, 0x2b);
|
||||
bulk_w(gspca_dev, MI_buf + 0x2c, 0x2c);
|
||||
bulk_w(gspca_dev, MI_buf + 0x2d, 0x2d);
|
||||
bulk_w(gspca_dev, MI_buf + 0x2e, 0x2e);
|
||||
bulk_w(gspca_dev, MI_buf + 0x35, 0x35);
|
||||
bulk_w(gspca_dev, MI_buf + 0x5f, 0x5f);
|
||||
bulk_w(gspca_dev, MI_buf + 0x60, 0x60);
|
||||
bulk_w(gspca_dev, MI_buf + 0x61, 0x61);
|
||||
bulk_w(gspca_dev, MI_buf + 0x62, 0x62);
|
||||
bulk_w(gspca_dev, MI_buf + 0x63, 0x63);
|
||||
bulk_w(gspca_dev, MI_buf + 0x64, 0x64);
|
||||
bulk_w(gspca_dev, MI_buf + 0xf1, 0xf1);
|
||||
kfree(MI_buf);
|
||||
|
||||
intpipe = usb_sndintpipe(gspca_dev->dev, 0);
|
||||
err_code = usb_clear_halt(gspca_dev->dev, intpipe);
|
||||
/* initialize the MI sensor */
|
||||
for (i = 0; i < sizeof mi_data; i++)
|
||||
mi_w(gspca_dev, i + 1, mi_data[i]);
|
||||
|
||||
data[0] = 0x00;
|
||||
data[1] = 0x4d; /* ISOC transfering enable... */
|
||||
reg_w(gspca_dev, data[0], 2);
|
||||
return err_code;
|
||||
reg_w(gspca_dev, 2);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void sd_stopN(struct gspca_dev *gspca_dev)
|
||||
|
|
@ -332,7 +296,7 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
|
|||
|
||||
gspca_dev->usb_buf[0] = 1;
|
||||
gspca_dev->usb_buf[1] = 0;
|
||||
result = reg_w(gspca_dev, gspca_dev->usb_buf[0], 2);
|
||||
result = reg_w(gspca_dev, 2);
|
||||
if (result < 0)
|
||||
PDEBUG(D_ERR, "Camera Stop failed");
|
||||
}
|
||||
|
|
@ -358,7 +322,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|||
|| data[5 + p] == 0x65
|
||||
|| data[5 + p] == 0x66
|
||||
|| data[5 + p] == 0x67) {
|
||||
PDEBUG(D_PACK, "sof offset: %d leng: %d",
|
||||
PDEBUG(D_PACK, "sof offset: %d len: %d",
|
||||
p, len);
|
||||
frame = gspca_frame_add(gspca_dev, LAST_PACKET,
|
||||
frame, data, 0);
|
||||
|
|
@ -374,6 +338,92 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|||
gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
|
||||
}
|
||||
|
||||
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) {
|
||||
gspca_dev->usb_buf[0] = 0x61;
|
||||
gspca_dev->usb_buf[1] = val;
|
||||
reg_w(gspca_dev, 2);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
*val = sd->brightness;
|
||||
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) {
|
||||
val = val * 0x40 + 0x400;
|
||||
gspca_dev->usb_buf[0] = 0x5f;
|
||||
gspca_dev->usb_buf[1] = val;
|
||||
gspca_dev->usb_buf[2] = val >> 8;
|
||||
reg_w(gspca_dev, 3);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
*val = sd->colors;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_setgamma(struct gspca_dev *gspca_dev, __s32 val)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
sd->gamma = val;
|
||||
if (gspca_dev->streaming) {
|
||||
gspca_dev->usb_buf[0] = 0x06;
|
||||
gspca_dev->usb_buf[1] = val * 0x40;
|
||||
reg_w(gspca_dev, 2);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_getgamma(struct gspca_dev *gspca_dev, __s32 *val)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
*val = sd->gamma;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
sd->sharpness = val;
|
||||
if (gspca_dev->streaming) {
|
||||
gspca_dev->usb_buf[0] = 0x67;
|
||||
gspca_dev->usb_buf[1] = val * 4 + 3;
|
||||
reg_w(gspca_dev, 2);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val)
|
||||
{
|
||||
struct sd *sd = (struct sd *) gspca_dev;
|
||||
|
||||
*val = sd->sharpness;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* sub-driver description */
|
||||
static const struct sd_desc sd_desc = {
|
||||
.name = MODULE_NAME,
|
||||
|
|
@ -416,6 +466,7 @@ static struct usb_driver sd_driver = {
|
|||
static int __init sd_mod_init(void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = usb_register(&sd_driver);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
|
|
|||
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