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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 18:09:54 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 18:09:54 -0400
commit7ae0dea900b027cd90e8a3e14deca9a19e17638b (patch)
tree428cbe411bba90f6580ae21338276c949e91f23a /drivers/media/video/mt9m111.c
parent6c74700fdb8e3bc34c31790384a8ec16c4fefd97 (diff)
parent560afa7d85bdfb294506afd3032c315e6827824f (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (94 commits) V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register V4L/DVB: dvb: siano: free spinlock before schedule() V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin() V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin() V4L/DVB: Report supported QAM modes on bt8xx V4L/DVB: media: ir-keytable: null dereference in debug code V4L/DVB: ivtv: convert to the new control framework V4L/DVB: ivtv: convert gpio subdev to new control framework V4L/DVB: wm8739: convert to the new control framework V4L/DVB: cs53l32a: convert to new control framework V4L/DVB: wm8775: convert to the new control framework V4L/DVB: cx2341x: convert to the control framework V4L/DVB: cx25840: convert to the new control framework V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config V4L/DVB: saa717x: convert to the new control framework V4L/DVB: msp3400: convert to the new control framework V4L/DVB: saa7115: convert to the new control framework V4L/DVB: v4l2: hook up the new control framework into the core framework V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API V4L/DVB: v4l2-ctrls: Whitespace cleanups ...
Diffstat (limited to 'drivers/media/video/mt9m111.c')
-rw-r--r--drivers/media/video/mt9m111.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index 31cc3d04bcc4..758a4db27d65 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -1,5 +1,5 @@
1/* 1/*
2 * Driver for MT9M111/MT9M112 CMOS Image Sensor from Micron 2 * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina
3 * 3 *
4 * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr> 4 * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr>
5 * 5 *
@@ -19,11 +19,14 @@
19#include <media/soc_camera.h> 19#include <media/soc_camera.h>
20 20
21/* 21/*
22 * mt9m111 and mt9m112 i2c address is 0x5d or 0x48 (depending on SAddr pin) 22 * MT9M111, MT9M112 and MT9M131:
23 * i2c address is 0x48 or 0x5d (depending on SADDR pin)
23 * The platform has to define i2c_board_info and call i2c_register_board_info() 24 * The platform has to define i2c_board_info and call i2c_register_board_info()
24 */ 25 */
25 26
26/* mt9m111: Sensor register addresses */ 27/*
28 * Sensor core register addresses (0x000..0x0ff)
29 */
27#define MT9M111_CHIP_VERSION 0x000 30#define MT9M111_CHIP_VERSION 0x000
28#define MT9M111_ROW_START 0x001 31#define MT9M111_ROW_START 0x001
29#define MT9M111_COLUMN_START 0x002 32#define MT9M111_COLUMN_START 0x002
@@ -72,8 +75,9 @@
72#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2) 75#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2)
73#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1) 76#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1)
74#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0) 77#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0)
78
75/* 79/*
76 * mt9m111: Colorpipe register addresses (0x100..0x1ff) 80 * Colorpipe register addresses (0x100..0x1ff)
77 */ 81 */
78#define MT9M111_OPER_MODE_CTRL 0x106 82#define MT9M111_OPER_MODE_CTRL 0x106
79#define MT9M111_OUTPUT_FORMAT_CTRL 0x108 83#define MT9M111_OUTPUT_FORMAT_CTRL 0x108
@@ -109,8 +113,9 @@
109#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1) 113#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y (1 << 1)
110#define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1) 114#define MT9M111_OUTFMT_SWAP_RGB_EVEN (1 << 1)
111#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0) 115#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr (1 << 0)
116
112/* 117/*
113 * mt9m111: Camera control register addresses (0x200..0x2ff not implemented) 118 * Camera control register addresses (0x200..0x2ff not implemented)
114 */ 119 */
115 120
116#define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg) 121#define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg)
@@ -160,7 +165,8 @@ enum mt9m111_context {
160 165
161struct mt9m111 { 166struct mt9m111 {
162 struct v4l2_subdev subdev; 167 struct v4l2_subdev subdev;
163 int model; /* V4L2_IDENT_MT9M11x* codes from v4l2-chip-ident.h */ 168 int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code
169 * from v4l2-chip-ident.h */
164 enum mt9m111_context context; 170 enum mt9m111_context context;
165 struct v4l2_rect rect; 171 struct v4l2_rect rect;
166 const struct mt9m111_datafmt *fmt; 172 const struct mt9m111_datafmt *fmt;
@@ -934,7 +940,7 @@ static int mt9m111_init(struct i2c_client *client)
934 if (!ret) 940 if (!ret)
935 ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure); 941 ret = mt9m111_set_autoexposure(client, mt9m111->autoexposure);
936 if (ret) 942 if (ret)
937 dev_err(&client->dev, "mt9m11x init failed: %d\n", ret); 943 dev_err(&client->dev, "mt9m111 init failed: %d\n", ret);
938 return ret; 944 return ret;
939} 945}
940 946
@@ -963,27 +969,27 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
963 mt9m111->swap_rgb_even_odd = 1; 969 mt9m111->swap_rgb_even_odd = 1;
964 mt9m111->swap_rgb_red_blue = 1; 970 mt9m111->swap_rgb_red_blue = 1;
965 971
966 ret = mt9m111_init(client);
967 if (ret)
968 goto ei2c;
969
970 data = reg_read(CHIP_VERSION); 972 data = reg_read(CHIP_VERSION);
971 973
972 switch (data) { 974 switch (data) {
973 case 0x143a: /* MT9M111 */ 975 case 0x143a: /* MT9M111 or MT9M131 */
974 mt9m111->model = V4L2_IDENT_MT9M111; 976 mt9m111->model = V4L2_IDENT_MT9M111;
977 dev_info(&client->dev,
978 "Detected a MT9M111/MT9M131 chip ID %x\n", data);
975 break; 979 break;
976 case 0x148c: /* MT9M112 */ 980 case 0x148c: /* MT9M112 */
977 mt9m111->model = V4L2_IDENT_MT9M112; 981 mt9m111->model = V4L2_IDENT_MT9M112;
982 dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data);
978 break; 983 break;
979 default: 984 default:
980 ret = -ENODEV; 985 ret = -ENODEV;
981 dev_err(&client->dev, 986 dev_err(&client->dev,
982 "No MT9M11x chip detected, register read %x\n", data); 987 "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n",
988 data);
983 goto ei2c; 989 goto ei2c;
984 } 990 }
985 991
986 dev_info(&client->dev, "Detected a MT9M11x chip ID %x\n", data); 992 ret = mt9m111_init(client);
987 993
988ei2c: 994ei2c:
989 return ret; 995 return ret;
@@ -1034,13 +1040,13 @@ static int mt9m111_probe(struct i2c_client *client,
1034 int ret; 1040 int ret;
1035 1041
1036 if (!icd) { 1042 if (!icd) {
1037 dev_err(&client->dev, "MT9M11x: missing soc-camera data!\n"); 1043 dev_err(&client->dev, "mt9m111: soc-camera data missing!\n");
1038 return -EINVAL; 1044 return -EINVAL;
1039 } 1045 }
1040 1046
1041 icl = to_soc_camera_link(icd); 1047 icl = to_soc_camera_link(icd);
1042 if (!icl) { 1048 if (!icl) {
1043 dev_err(&client->dev, "MT9M11x driver needs platform data\n"); 1049 dev_err(&client->dev, "mt9m111: driver needs platform data\n");
1044 return -EINVAL; 1050 return -EINVAL;
1045 } 1051 }
1046 1052
@@ -1114,6 +1120,6 @@ static void __exit mt9m111_mod_exit(void)
1114module_init(mt9m111_mod_init); 1120module_init(mt9m111_mod_init);
1115module_exit(mt9m111_mod_exit); 1121module_exit(mt9m111_mod_exit);
1116 1122
1117MODULE_DESCRIPTION("Micron MT9M111/MT9M112 Camera driver"); 1123MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver");
1118MODULE_AUTHOR("Robert Jarzmik"); 1124MODULE_AUTHOR("Robert Jarzmik");
1119MODULE_LICENSE("GPL"); 1125MODULE_LICENSE("GPL");