gspca_gl860: improvement of the driver for OV2640 sensor From: Olivier Lorin <o.lorin@xxxxxxxxxxx> - simplified initialization sequence - add flip/mirror support for OV2640 - fix for backlight value range - fix for red-blue inversion hue mode with V4L1 applications diff -rupN ../gspca-msrc2/linux/drivers/media/video/gspca/gl860/gl860.h ./linux/drivers/media/video/gspca/gl860/gl860.h --- ../gspca-msrc2/linux/drivers/media/video/gspca/gl860/gl860.h 2009-09-24 23:16:10.000000000 +0200 +++ ./linux/drivers/media/video/gspca/gl860/gl860.h 2009-09-24 23:55:32.000000000 +0200 @@ -23,7 +23,7 @@ #include "gspca.h" #define MODULE_NAME "gspca_gl860" -#define DRIVER_VERSION "0.9d11" +#define DRIVER_VERSION "0.9e" #define ctrl_in gl860_RTx #define ctrl_out gl860_RTx diff -rupN ../gspca-msrc2/linux/drivers/media/video/gspca/gl860/gl860-ov2640.c ./linux/drivers/media/video/gspca/gl860/gl860-ov2640.c --- ../gspca-msrc2/linux/drivers/media/video/gspca/gl860/gl860-ov2640.c 2009-09-24 23:34:57.000000000 +0200 +++ ./linux/drivers/media/video/gspca/gl860/gl860-ov2640.c 2009-09-30 00:40:49.000000000 +0200 @@ -107,36 +107,6 @@ static struct validx tbl_sensor_settings {0x6001, 0x00ff}, {0x6038, 0x000c}, {10, 0xffff}, {0x6000, 0x0011}, - /* backlight=31/64 */ - {0x6001, 0x00ff}, {0x603e, 0x0024}, {0x6034, 0x0025}, - /* bright=0/256 */ - {0x6000, 0x00ff}, {0x6009, 0x007c}, {0x6000, 0x007d}, - /* wbal=64/128 */ - {0x6000, 0x00ff}, {0x6003, 0x007c}, {0x6040, 0x007d}, - /* cntr=0/256 */ - {0x6000, 0x00ff}, {0x6007, 0x007c}, {0x6000, 0x007d}, - /* sat=128/256 */ - {0x6000, 0x00ff}, {0x6001, 0x007c}, {0x6080, 0x007d}, - /* sharpness=0/32 */ - {0x6000, 0x00ff}, {0x6001, 0x0092}, {0x60c0, 0x0093}, - /* hue=0/256 */ - {0x6000, 0x00ff}, {0x6002, 0x007c}, {0x6000, 0x007d}, - /* gam=32/64 */ - {0x6000, 0x00ff}, {0x6008, 0x007c}, {0x6020, 0x007d}, - /* image right up */ - {0xffff, 0xffff}, - {15, 0xffff}, - {0x6001, 0x00ff}, {0x6000, 0x8004}, - {0xffff, 0xffff}, - {0x60a8, 0x0004}, - {15, 0xffff}, - {0x6001, 0x00ff}, {0x6000, 0x8004}, - {0xffff, 0xffff}, - {0x60f8, 0x0004}, - /* image right up */ - {0xffff, 0xffff}, - /* backlight=31/64 */ - {0x6001, 0x00ff}, {0x603e, 0x0024}, {0x6034, 0x0025}, }; static struct validx tbl_640[] = { @@ -222,17 +192,19 @@ void ov2640_init_settings(struct gspca_d sd->vcur.hue = 0; sd->vcur.saturation = 128; sd->vcur.whitebal = 64; + sd->vcur.mirror = 0; + sd->vcur.flip = 0; sd->vmax.backlight = 64; sd->vmax.brightness = 255; sd->vmax.sharpness = 31; sd->vmax.contrast = 255; sd->vmax.gamma = 64; - sd->vmax.hue = 255 + 1; + sd->vmax.hue = 254 + 2; sd->vmax.saturation = 255; sd->vmax.whitebal = 128; - sd->vmax.mirror = 0; - sd->vmax.flip = 0; + sd->vmax.mirror = 1; + sd->vmax.flip = 1; sd->vmax.AC50Hz = 0; sd->dev_camera_settings = ov2640_camera_settings; @@ -284,6 +256,8 @@ static int ov2640_init_pre_alt(struct gs sd->vold.gamma = -1; sd->vold.hue = -1; sd->vold.whitebal = -1; + sd->vold.mirror = -1; + sd->vold.flip = -1; ov2640_init_post_alt(gspca_dev); @@ -346,18 +320,6 @@ static int ov2640_init_post_alt(struct g fetch_validx(gspca_dev, tbl_sensor_settings_common2, ARRAY_SIZE(tbl_sensor_settings_common2)); - ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50); - keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common2, - ARRAY_SIZE(tbl_sensor_settings_common2), n); - ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, c28); - keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common2, - ARRAY_SIZE(tbl_sensor_settings_common2), n); - ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, ca8); - keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common2, - ARRAY_SIZE(tbl_sensor_settings_common2), n); - ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50); - keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common2, - ARRAY_SIZE(tbl_sensor_settings_common2), n); ov2640_camera_settings(gspca_dev); @@ -394,6 +356,8 @@ static int ov2640_camera_settings(struct s32 sat = sd->vcur.saturation; s32 hue = sd->vcur.hue; s32 wbal = sd->vcur.whitebal; + s32 mirror = (((sd->vcur.mirror > 0) ^ sd->mirrorMask) == 0); + s32 flip = (((sd->vcur.flip > 0) ^ sd->mirrorMask) == 0); if (backlight != sd->vold.backlight) { /* No sd->vold.backlight=backlight; (to be done again later) */ @@ -402,9 +366,9 @@ static int ov2640_camera_settings(struct ctrl_out(gspca_dev, 0x40, 1, 0x6001 , 0x00ff, 0, NULL); - ctrl_out(gspca_dev, 0x40, 1, 0x601f + backlight , 0x0024, + ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight , 0x0024, 0, NULL); - ctrl_out(gspca_dev, 0x40, 1, 0x601f + backlight - 10, 0x0025, + ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025, 0, NULL); } @@ -467,7 +431,7 @@ static int ov2640_camera_settings(struct ctrl_out(gspca_dev, 0x40, 1, 0x6002 , 0x007c, 0, NULL); ctrl_out(gspca_dev, 0x40, 1, 0x6000 + hue * (hue < 255), 0x007d, 0, NULL); - if (hue >= sd->vmax.hue) + if (hue >= 255) sd->swapRB = 1; else sd->swapRB = 0; @@ -483,14 +447,33 @@ static int ov2640_camera_settings(struct ctrl_out(gspca_dev, 0x40, 1, 0x6000 + gam, 0x007d, 0, NULL); } + if (mirror != sd->vold.mirror || flip != sd->vold.flip) { + sd->vold.mirror = mirror; + sd->vold.flip = flip; + + mirror = 0x80 * mirror; + ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL); + ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x8004, 0, NULL); + ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, &c28); + ctrl_out(gspca_dev, 0x40, 1, 0x6028 + mirror, 0x0004, 0, NULL); + + flip = 0x50 * flip + mirror; + ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL); + ctrl_out(gspca_dev, 0x40, 1, 0x6000, 0x8004, 0, NULL); + ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, &ca8); + ctrl_out(gspca_dev, 0x40, 1, 0x6028 + flip, 0x0004, 0, NULL); + + ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, &c50); + } + if (backlight != sd->vold.backlight) { sd->vold.backlight = backlight; ctrl_out(gspca_dev, 0x40, 1, 0x6001 , 0x00ff, 0, NULL); - ctrl_out(gspca_dev, 0x40, 1, 0x601f + backlight , 0x0024, + ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight , 0x0024, 0, NULL); - ctrl_out(gspca_dev, 0x40, 1, 0x601f + backlight - 10, 0x0025, + ctrl_out(gspca_dev, 0x40, 1, 0x601e + backlight - 10, 0x0025, 0, NULL); } -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html