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V4L/DVB: mt9m111: Added indication that MT9M131 is supported by this driver

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Added this info to Kconfig and mt9m111.c, some comment cleanup,
replaced 'mt9m11x'-statements by clarifications or driver name.
Driver is fully compatible to mt9m131 which has only additional functions
compared to mt9m111. Those aren't used anyway at the moment.

Signed-off-by: Philipp Wiesner <p.wiesner@phytec.de>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Philipp Wiesner 2010-08-03 07:57:39 -03:00 committed by Mauro Carvalho Chehab
parent d86097e19c
commit c8cf078ebd
2 changed files with 25 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/media/video/Kconfig
View File

@ -792,10 +792,11 @@ config SOC_CAMERA_MT9M001
and colour models.
config SOC_CAMERA_MT9M111
tristate "mt9m111 and mt9m112 support"
tristate "mt9m111, mt9m112 and mt9m131 support"
depends on SOC_CAMERA && I2C
help
This driver supports MT9M111 and MT9M112 cameras from Micron
This driver supports MT9M111, MT9M112 and MT9M131 cameras from
Micron/Aptina
config SOC_CAMERA_MT9T031
tristate "mt9t031 support"

36
drivers/media/video/mt9m111.c
View File

@ -1,5 +1,5 @@
/*
* Driver for MT9M111/MT9M112 CMOS Image Sensor from Micron
* Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina
*
* Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr>
*
@ -19,11 +19,14 @@
#include <media/soc_camera.h>
/*
* mt9m111 and mt9m112 i2c address is 0x5d or 0x48 (depending on SAddr pin)
* MT9M111, MT9M112 and MT9M131:
* i2c address is 0x48 or 0x5d (depending on SADDR pin)
* The platform has to define i2c_board_info and call i2c_register_board_info()
*/
/* mt9m111: Sensor register addresses */
/*
* Sensor core register addresses (0x000..0x0ff)
*/
#define MT9M111_CHIP_VERSION 0x000
#define MT9M111_ROW_START 0x001
#define MT9M111_COLUMN_START 0x002
@ -72,8 +75,9 @@
#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2)
#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1)
#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0)
/*
* mt9m111: Colorpipe register addresses (0x100..0x1ff)
* Colorpipe register addresses (0x100..0x1ff)
*/
#define MT9M111_OPER_MODE_CTRL 0x106
#define MT9M111_OUTPUT_FORMAT_CTRL 0x108
@ -109,8 +113,9 @@
#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1)
#define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1)
#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0)
/*
* mt9m111: Camera control register addresses (0x200..0x2ff not implemented)
* Camera control register addresses (0x200..0x2ff not implemented)
*/
#define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg)
@ -160,7 +165,8 @@ enum mt9m111_context {
struct mt9m111 {
struct v4l2_subdev subdev;
int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */
int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code
* from v4l2-chip-ident.h */
enum mt9m111_context context;
struct v4l2_rect rect;
const struct mt9m111_datafmt *fmt;
@ -934,7 +940,7 @@ static int mt9m111_init(struct i2c_client *client)
if (!ret)
ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure);
if (ret)
dev_err(&client->dev, "mt9m11x init failed: %d\n", ret);
dev_err(&client->dev, "mt9m111 init failed: %d\n", ret);
return ret;
}
@ -970,21 +976,23 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
data = reg_read(CHIP_VERSION);
switch (data) {
case 0x143a: /* MT9M111 */
case 0x143a: /* MT9M111 or MT9M131 */
mt9m111->model = V4L2_IDENT_MT9M111;
dev_info(&client->dev,
"Detected a MT9M111/MT9M131 chip ID %x\n", data);
break;
case 0x148c: /* MT9M112 */
mt9m111->model = V4L2_IDENT_MT9M112;
dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data);
break;
default:
ret = -ENODEV;
dev_err(&client->dev,
"No MT9M11x chip detected, register read %x\n", data);
"No MT9M111/MT9M112/MT9M131 chip detected register read %x\n",
data);
goto ei2c;
}
dev_info(&client->dev, "Detected a MT9M11x chip ID %x\n", data);
ei2c:
return ret;
}
@ -1034,13 +1042,13 @@ static int mt9m111_probe(struct i2c_client *client,
int ret;
if (!icd) {
dev_err(&client->dev, "MT9M11x: missing soc-camera data!\n");
dev_err(&client->dev, "mt9m111: soc-camera data missing!\n");
return -EINVAL;
}
icl = to_soc_camera_link(icd);
if (!icl) {
dev_err(&client->dev, "MT9M11x driver needs platform data\n");
dev_err(&client->dev, "mt9m111: driver needs platform data\n");
return -EINVAL;
}
@ -1114,6 +1122,6 @@ static void __exit mt9m111_mod_exit(void)
module_init(mt9m111_mod_init);
module_exit(mt9m111_mod_exit);
MODULE_DESCRIPTION("Micron MT9M111/MT9M112 Camera driver");
MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver");
MODULE_AUTHOR("Robert Jarzmik");
MODULE_LICENSE("GPL");