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path: root/drivers/media/video/gspca/gl860/gl860-ov2640.c
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Diffstat (limited to 'drivers/media/video/gspca/gl860/gl860-ov2640.c')
-rw-r--r--drivers/media/video/gspca/gl860/gl860-ov2640.c140
1 files changed, 62 insertions, 78 deletions
diff --git a/drivers/media/video/gspca/gl860/gl860-ov2640.c b/drivers/media/video/gspca/gl860/gl860-ov2640.c
index 14b9c373f9f7..768cac5cd72b 100644
--- a/drivers/media/video/gspca/gl860/gl860-ov2640.c
+++ b/drivers/media/video/gspca/gl860/gl860-ov2640.c
@@ -1,6 +1,5 @@
-/* @file gl860-ov2640.c
- * @author Olivier LORIN, from Malmostoso's logs
- * @date 2009-08-27
+/* Subdriver for the GL860 chip with the OV2640 sensor
+ * Author Olivier LORIN, from Malmostoso's logs
*
* 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
@@ -21,8 +20,12 @@
#include "gl860.h"
static u8 dat_init1[] = "\x00\x41\x07\x6a\x06\x61\x0d\x6a" "\x10\x10\xc1\x01";
-static u8 dat_init2[] = {0x61}; /* expected */
-static u8 dat_init3[] = {0x51}; /* expected */
+
+static u8 c61[] = {0x61}; /* expected */
+static u8 c51[] = {0x51}; /* expected */
+static u8 c50[] = {0x50}; /* expected */
+static u8 c28[] = {0x28}; /* expected */
+static u8 ca8[] = {0xa8}; /* expected */
static u8 dat_post[] =
"\x00\x41\x07\x6a\x06\xef\x0d\x6a" "\x10\x10\xc1\x01";
@@ -32,10 +35,6 @@ static u8 dat_800[] = "\xd0\x01\xd1\x10\xd2\x58\xd3\x02\xd4\x18\xd5\x21";
static u8 dat_1280[] = "\xd0\x01\xd1\x18\xd2\xc0\xd3\x02\xd4\x28\xd5\x01";
static u8 dat_1600[] = "\xd0\x01\xd1\x20\xd2\xb0\xd3\x02\xd4\x30\xd5\x41";
-static u8 c50[] = {0x50}; /* expected */
-static u8 c28[] = {0x28}; /* expected */
-static u8 ca8[] = {0xa8}; /* expected */
-
static struct validx tbl_init_at_startup[] = {
{0x0000, 0x0000}, {0x0010, 0x0010}, {0x0008, 0x00c0}, {0x0001, 0x00c1},
{0x0001, 0x00c2}, {0x0020, 0x0006}, {0x006a, 0x000d},
@@ -92,7 +91,7 @@ static struct validx tbl_common[] = {
{0x6000, 0x0010},
};
-static struct validx tbl_sensor_settings_common_a[] = {
+static struct validx tbl_sensor_settings_common1[] = {
{0x0041, 0x0000}, {0x006a, 0x0007}, {0x00ef, 0x0006}, {0x006a, 0x000d},
{0x0000, 0x00c0}, {0x0010, 0x0010}, {0x0001, 0x00c1}, {0x0041, 0x00c2},
{0x0004, 0x00d8}, {0x0012, 0x0004}, {0x0000, 0x0058}, {0x0041, 0x0000},
@@ -104,40 +103,10 @@ static struct validx tbl_sensor_settings_common_a[] = {
{0x0040, 0x0000},
};
-static struct validx tbl_sensor_settings_common_b[] = {
+static struct validx tbl_sensor_settings_common2[] = {
{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[] = {
@@ -166,7 +135,7 @@ static struct validx tbl_800[] = {
{0x60ff, 0x00dd}, {0x6020, 0x008c}, {0x6001, 0x00ff}, {0x6044, 0x0018},
};
-static struct validx tbl_big_a[] = {
+static struct validx tbl_big1[] = {
{0x0002, 0x00c1}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
{0x6001, 0x00ff}, {0x6000, 0x0012}, {0x6000, 0x0000}, {0x6000, 0x0045},
{0x6000, 0x0010}, {0x6000, 0x0011}, {0x6011, 0x0017}, {0x6075, 0x0018},
@@ -176,14 +145,14 @@ static struct validx tbl_big_a[] = {
{0x60c8, 0x00c0}, {0x6096, 0x00c1}, {0x6000, 0x008c},
};
-static struct validx tbl_big_b[] = {
+static struct validx tbl_big2[] = {
{0x603d, 0x0086}, {0x6000, 0x0050}, {0x6090, 0x0051}, {0x602c, 0x0052},
{0x6000, 0x0053}, {0x6000, 0x0054}, {0x6088, 0x0055}, {0x6000, 0x0057},
{0x6040, 0x005a}, {0x60f0, 0x005b}, {0x6001, 0x005c}, {0x6082, 0x00d3},
{0x6000, 0x008e},
};
-static struct validx tbl_big_c[] = {
+static struct validx tbl_big3[] = {
{0x6004, 0x00da}, {0x6000, 0x00e0}, {0x6067, 0x00e1}, {0x60ff, 0x00dd},
{0x6001, 0x00ff}, {0x6000, 0x00ff}, {0x60f1, 0x00dd}, {0x6004, 0x00e0},
{0x6001, 0x00ff}, {0x6000, 0x0011}, {0x6000, 0x00ff}, {0x6010, 0x00c7},
@@ -223,17 +192,19 @@ void ov2640_init_settings(struct gspca_dev *gspca_dev)
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;
@@ -259,11 +230,11 @@ static int ov2640_init_at_startup(struct gspca_dev *gspca_dev)
common(gspca_dev);
- ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0006, 1, dat_init2);
+ ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0006, 1, c61);
ctrl_out(gspca_dev, 0x40, 1, 0x00ef, 0x0006, 0, NULL);
- ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, dat_init3);
+ ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c51);
ctrl_out(gspca_dev, 0x40, 1, 0x0051, 0x0000, 0, NULL);
/* ctrl_out(gspca_dev, 0x40, 11, 0x0000, 0x0000, 0, NULL); */
@@ -275,6 +246,8 @@ static int ov2640_init_pre_alt(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
+ sd->mirrorMask = 0;
+
sd->vold.backlight = -1;
sd->vold.brightness = -1;
sd->vold.sharpness = -1;
@@ -283,6 +256,8 @@ static int ov2640_init_pre_alt(struct gspca_dev *gspca_dev)
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);
@@ -292,16 +267,16 @@ static int ov2640_init_pre_alt(struct gspca_dev *gspca_dev)
static int ov2640_init_post_alt(struct gspca_dev *gspca_dev)
{
s32 reso = gspca_dev->cam.cam_mode[(s32) gspca_dev->curr_mode].priv;
- s32 n; /* reserved for FETCH macros */
+ s32 n; /* reserved for FETCH functions */
ctrl_out(gspca_dev, 0x40, 5, 0x0001, 0x0000, 0, NULL);
- n = fetch_validx(gspca_dev, tbl_sensor_settings_common_a,
- ARRAY_SIZE(tbl_sensor_settings_common_a));
+ n = fetch_validx(gspca_dev, tbl_sensor_settings_common1,
+ ARRAY_SIZE(tbl_sensor_settings_common1));
ctrl_out(gspca_dev, 0x40, 3, 0x0000, 0x0200, 12, dat_post);
common(gspca_dev);
- keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_a,
- ARRAY_SIZE(tbl_sensor_settings_common_a), n);
+ keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common1,
+ ARRAY_SIZE(tbl_sensor_settings_common1), n);
switch (reso) {
case IMAGE_640:
@@ -316,18 +291,18 @@ static int ov2640_init_post_alt(struct gspca_dev *gspca_dev)
case IMAGE_1600:
case IMAGE_1280:
- n = fetch_validx(gspca_dev, tbl_big_a, ARRAY_SIZE(tbl_big_a));
+ n = fetch_validx(gspca_dev, tbl_big1, ARRAY_SIZE(tbl_big1));
if (reso == IMAGE_1280) {
- n = fetch_validx(gspca_dev, tbl_big_b,
- ARRAY_SIZE(tbl_big_b));
+ n = fetch_validx(gspca_dev, tbl_big2,
+ ARRAY_SIZE(tbl_big2));
} else {
ctrl_out(gspca_dev, 0x40, 1, 0x601d, 0x0086, 0, NULL);
ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00d7, 0, NULL);
ctrl_out(gspca_dev, 0x40, 1, 0x6082, 0x00d3, 0, NULL);
}
- n = fetch_validx(gspca_dev, tbl_big_c, ARRAY_SIZE(tbl_big_c));
+ n = fetch_validx(gspca_dev, tbl_big3, ARRAY_SIZE(tbl_big3));
if (reso == IMAGE_1280) {
ctrl_out(gspca_dev, 0x40, 1, 0x6001, 0x00ff, 0, NULL);
@@ -343,20 +318,8 @@ static int ov2640_init_post_alt(struct gspca_dev *gspca_dev)
break;
}
- n = fetch_validx(gspca_dev, tbl_sensor_settings_common_b,
- ARRAY_SIZE(tbl_sensor_settings_common_b));
- ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50);
- keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_b,
- ARRAY_SIZE(tbl_sensor_settings_common_b), n);
- ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, c28);
- keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_b,
- ARRAY_SIZE(tbl_sensor_settings_common_b), n);
- ctrl_in(gspca_dev, 0xc0, 2, 0x6000, 0x8004, 1, ca8);
- keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_b,
- ARRAY_SIZE(tbl_sensor_settings_common_b), n);
- ctrl_in(gspca_dev, 0xc0, 2, 0x0000, 0x0000, 1, c50);
- keep_on_fetching_validx(gspca_dev, tbl_sensor_settings_common_b,
- ARRAY_SIZE(tbl_sensor_settings_common_b), n);
+ n = fetch_validx(gspca_dev, tbl_sensor_settings_common2,
+ ARRAY_SIZE(tbl_sensor_settings_common2));
ov2640_camera_settings(gspca_dev);
@@ -393,18 +356,20 @@ static int ov2640_camera_settings(struct gspca_dev *gspca_dev)
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) */
if (backlight < 0 || backlight > sd->vmax.backlight)
backlight = 0;
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);
- /* No sd->vold.backlight=backlight; (to be done again later) */
}
if (bright != sd->vold.brightness) {
@@ -466,7 +431,7 @@ static int ov2640_camera_settings(struct gspca_dev *gspca_dev)
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;
@@ -482,14 +447,33 @@ static int ov2640_camera_settings(struct gspca_dev *gspca_dev)
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);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.