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Diffstat (limited to 'drivers/media/video/sn9c102/sn9c102_pas202bcb.c')
-rw-r--r--drivers/media/video/sn9c102/sn9c102_pas202bcb.c94
1 files changed, 69 insertions, 25 deletions
diff --git a/drivers/media/video/sn9c102/sn9c102_pas202bcb.c b/drivers/media/video/sn9c102/sn9c102_pas202bcb.c
index e3c1178e339c..c1b8d6b63b47 100644
--- a/drivers/media/video/sn9c102/sn9c102_pas202bcb.c
+++ b/drivers/media/video/sn9c102/sn9c102_pas202bcb.c
@@ -1,13 +1,13 @@
/***************************************************************************
- * Plug-in for PAS202BCB image sensor connected to the SN9C10x PC Camera *
+ * Plug-in for PAS202BCB image sensor connected to the SN9C1xx PC Camera *
* Controllers *
* *
* Copyright (C) 2004 by Carlos Eduardo Medaglia Dyonisio *
* <medaglia@undl.org.br> *
* http://cadu.homelinux.com:8080/ *
* *
- * DAC Magnitude, exposure and green gain controls added by *
- * Luca Risolia <luca.risolia@studio.unibo.it> *
+ * Support for SN9C103, DAC Magnitude, exposure and green gain controls *
+ * added by Luca Risolia <luca.risolia@studio.unibo.it> *
* *
* 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 *
@@ -28,19 +28,40 @@
#include "sn9c102_sensor.h"
-static struct sn9c102_sensor pas202bcb;
-
-
static int pas202bcb_init(struct sn9c102_device* cam)
{
int err = 0;
- err += sn9c102_write_reg(cam, 0x00, 0x10);
- err += sn9c102_write_reg(cam, 0x00, 0x11);
- err += sn9c102_write_reg(cam, 0x00, 0x14);
- err += sn9c102_write_reg(cam, 0x20, 0x17);
- err += sn9c102_write_reg(cam, 0x30, 0x19);
- err += sn9c102_write_reg(cam, 0x09, 0x18);
+ switch (sn9c102_get_bridge(cam)) {
+ case BRIDGE_SN9C101:
+ case BRIDGE_SN9C102:
+ err = sn9c102_write_const_regs(cam, {0x00, 0x10},
+ {0x00, 0x11}, {0x00, 0x14},
+ {0x20, 0x17}, {0x30, 0x19},
+ {0x09, 0x18});
+ break;
+ case BRIDGE_SN9C103:
+ err = sn9c102_write_const_regs(cam, {0x00, 0x02},
+ {0x00, 0x03}, {0x1a, 0x04},
+ {0x20, 0x05}, {0x20, 0x06},
+ {0x20, 0x07}, {0x00, 0x10},
+ {0x00, 0x11}, {0x00, 0x14},
+ {0x20, 0x17}, {0x30, 0x19},
+ {0x09, 0x18}, {0x02, 0x1c},
+ {0x03, 0x1d}, {0x0f, 0x1e},
+ {0x0c, 0x1f}, {0x00, 0x20},
+ {0x10, 0x21}, {0x20, 0x22},
+ {0x30, 0x23}, {0x40, 0x24},
+ {0x50, 0x25}, {0x60, 0x26},
+ {0x70, 0x27}, {0x80, 0x28},
+ {0x90, 0x29}, {0xa0, 0x2a},
+ {0xb0, 0x2b}, {0xc0, 0x2c},
+ {0xd0, 0x2d}, {0xe0, 0x2e},
+ {0xf0, 0x2f}, {0xff, 0x30});
+ break;
+ default:
+ break;
+ }
err += sn9c102_i2c_write(cam, 0x02, 0x14);
err += sn9c102_i2c_write(cam, 0x03, 0x40);
@@ -107,7 +128,7 @@ static int pas202bcb_set_pix_format(struct sn9c102_device* cam,
int err = 0;
if (pix->pixelformat == V4L2_PIX_FMT_SN9C10X)
- err += sn9c102_write_reg(cam, 0x24, 0x17);
+ err += sn9c102_write_reg(cam, 0x28, 0x17);
else
err += sn9c102_write_reg(cam, 0x20, 0x17);
@@ -152,11 +173,23 @@ static int pas202bcb_set_ctrl(struct sn9c102_device* cam,
static int pas202bcb_set_crop(struct sn9c102_device* cam,
const struct v4l2_rect* rect)
{
- struct sn9c102_sensor* s = &pas202bcb;
+ struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
int err = 0;
- u8 h_start = (u8)(rect->left - s->cropcap.bounds.left) + 4,
+ u8 h_start = 0,
v_start = (u8)(rect->top - s->cropcap.bounds.top) + 3;
+ switch (sn9c102_get_bridge(cam)) {
+ case BRIDGE_SN9C101:
+ case BRIDGE_SN9C102:
+ h_start = (u8)(rect->left - s->cropcap.bounds.left) + 4;
+ break;
+ case BRIDGE_SN9C103:
+ h_start = (u8)(rect->left - s->cropcap.bounds.left) + 3;
+ break;
+ default:
+ break;
+ }
+
err += sn9c102_write_reg(cam, h_start, 0x12);
err += sn9c102_write_reg(cam, v_start, 0x13);
@@ -166,8 +199,8 @@ static int pas202bcb_set_crop(struct sn9c102_device* cam,
static struct sn9c102_sensor pas202bcb = {
.name = "PAS202BCB",
- .maintainer = "Carlos Eduardo Medaglia Dyonisio "
- "<medaglia@undl.org.br>",
+ .maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
+ .supported_bridge = BRIDGE_SN9C101 | BRIDGE_SN9C102 | BRIDGE_SN9C103,
.sysfs_ops = SN9C102_I2C_READ | SN9C102_I2C_WRITE,
.frequency = SN9C102_I2C_400KHZ | SN9C102_I2C_100KHZ,
.interface = SN9C102_I2C_2WIRES,
@@ -191,7 +224,7 @@ static struct sn9c102_sensor pas202bcb = {
.minimum = 0x00,
.maximum = 0x1f,
.step = 0x01,
- .default_value = 0x0c,
+ .default_value = 0x0b,
.flags = 0,
},
{
@@ -201,7 +234,7 @@ static struct sn9c102_sensor pas202bcb = {
.minimum = 0x00,
.maximum = 0x0f,
.step = 0x01,
- .default_value = 0x01,
+ .default_value = 0x00,
.flags = 0,
},
{
@@ -271,16 +304,27 @@ int sn9c102_probe_pas202bcb(struct sn9c102_device* cam)
* Minimal initialization to enable the I2C communication
* NOTE: do NOT change the values!
*/
- err += sn9c102_write_reg(cam, 0x01, 0x01); /* sensor power down */
- err += sn9c102_write_reg(cam, 0x40, 0x01); /* sensor power on */
- err += sn9c102_write_reg(cam, 0x28, 0x17); /* sensor clock at 24 MHz */
- if (err)
- return -EIO;
+ switch (sn9c102_get_bridge(cam)) {
+ case BRIDGE_SN9C101:
+ case BRIDGE_SN9C102:
+ err = sn9c102_write_const_regs(cam,
+ {0x01, 0x01}, /* power down */
+ {0x40, 0x01}, /* power on */
+ {0x28, 0x17});/* clock 24 MHz */
+ break;
+ case BRIDGE_SN9C103: /* do _not_ change anything! */
+ err = sn9c102_write_const_regs(cam, {0x09, 0x01},
+ {0x44, 0x01}, {0x44, 0x02},
+ {0x29, 0x17});
+ break;
+ default:
+ break;
+ }
r0 = sn9c102_i2c_try_read(cam, &pas202bcb, 0x00);
r1 = sn9c102_i2c_try_read(cam, &pas202bcb, 0x01);
- if (r0 < 0 || r1 < 0)
+ if (err || r0 < 0 || r1 < 0)
return -EIO;
pid = (r0 << 4) | ((r1 & 0xf0) >> 4);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.