blob: a357aa889fc6c07357b91c86877f8094db7d8539 [file] [log] [blame]
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001/*
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -03002 * Driver for MT9M111/MT9M112/MT9M131 CMOS Image Sensor from Micron/Aptina
Robert Jarzmik77110ab2008-08-14 12:02:51 -03003 *
4 * Copyright (C) 2008, Robert Jarzmik <robert.jarzmik@free.fr>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#include <linux/videodev2.h>
11#include <linux/slab.h>
12#include <linux/i2c.h>
13#include <linux/log2.h>
14#include <linux/gpio.h>
15#include <linux/delay.h>
16
17#include <media/v4l2-common.h>
18#include <media/v4l2-chip-ident.h>
19#include <media/soc_camera.h>
20
21/*
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -030022 * MT9M111, MT9M112 and MT9M131:
23 * i2c address is 0x48 or 0x5d (depending on SADDR pin)
Robert Jarzmik77110ab2008-08-14 12:02:51 -030024 * The platform has to define i2c_board_info and call i2c_register_board_info()
25 */
26
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -030027/*
28 * Sensor core register addresses (0x000..0x0ff)
29 */
Robert Jarzmik77110ab2008-08-14 12:02:51 -030030#define MT9M111_CHIP_VERSION 0x000
31#define MT9M111_ROW_START 0x001
32#define MT9M111_COLUMN_START 0x002
33#define MT9M111_WINDOW_HEIGHT 0x003
34#define MT9M111_WINDOW_WIDTH 0x004
35#define MT9M111_HORIZONTAL_BLANKING_B 0x005
36#define MT9M111_VERTICAL_BLANKING_B 0x006
37#define MT9M111_HORIZONTAL_BLANKING_A 0x007
38#define MT9M111_VERTICAL_BLANKING_A 0x008
39#define MT9M111_SHUTTER_WIDTH 0x009
40#define MT9M111_ROW_SPEED 0x00a
41#define MT9M111_EXTRA_DELAY 0x00b
42#define MT9M111_SHUTTER_DELAY 0x00c
43#define MT9M111_RESET 0x00d
44#define MT9M111_READ_MODE_B 0x020
45#define MT9M111_READ_MODE_A 0x021
46#define MT9M111_FLASH_CONTROL 0x023
47#define MT9M111_GREEN1_GAIN 0x02b
48#define MT9M111_BLUE_GAIN 0x02c
49#define MT9M111_RED_GAIN 0x02d
50#define MT9M111_GREEN2_GAIN 0x02e
51#define MT9M111_GLOBAL_GAIN 0x02f
52#define MT9M111_CONTEXT_CONTROL 0x0c8
53#define MT9M111_PAGE_MAP 0x0f0
54#define MT9M111_BYTE_WISE_ADDR 0x0f1
55
56#define MT9M111_RESET_SYNC_CHANGES (1 << 15)
57#define MT9M111_RESET_RESTART_BAD_FRAME (1 << 9)
58#define MT9M111_RESET_SHOW_BAD_FRAMES (1 << 8)
59#define MT9M111_RESET_RESET_SOC (1 << 5)
60#define MT9M111_RESET_OUTPUT_DISABLE (1 << 4)
61#define MT9M111_RESET_CHIP_ENABLE (1 << 3)
62#define MT9M111_RESET_ANALOG_STANDBY (1 << 2)
63#define MT9M111_RESET_RESTART_FRAME (1 << 1)
64#define MT9M111_RESET_RESET_MODE (1 << 0)
65
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -030066#define MT9M111_RM_FULL_POWER_RD (0 << 10)
67#define MT9M111_RM_LOW_POWER_RD (1 << 10)
68#define MT9M111_RM_COL_SKIP_4X (1 << 5)
69#define MT9M111_RM_ROW_SKIP_4X (1 << 4)
70#define MT9M111_RM_COL_SKIP_2X (1 << 3)
71#define MT9M111_RM_ROW_SKIP_2X (1 << 2)
Robert Jarzmik77110ab2008-08-14 12:02:51 -030072#define MT9M111_RMB_MIRROR_COLS (1 << 1)
73#define MT9M111_RMB_MIRROR_ROWS (1 << 0)
74#define MT9M111_CTXT_CTRL_RESTART (1 << 15)
75#define MT9M111_CTXT_CTRL_DEFECTCOR_B (1 << 12)
76#define MT9M111_CTXT_CTRL_RESIZE_B (1 << 10)
77#define MT9M111_CTXT_CTRL_CTRL2_B (1 << 9)
78#define MT9M111_CTXT_CTRL_GAMMA_B (1 << 8)
79#define MT9M111_CTXT_CTRL_XENON_EN (1 << 7)
80#define MT9M111_CTXT_CTRL_READ_MODE_B (1 << 3)
81#define MT9M111_CTXT_CTRL_LED_FLASH_EN (1 << 2)
82#define MT9M111_CTXT_CTRL_VBLANK_SEL_B (1 << 1)
83#define MT9M111_CTXT_CTRL_HBLANK_SEL_B (1 << 0)
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -030084
Robert Jarzmik77110ab2008-08-14 12:02:51 -030085/*
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -030086 * Colorpipe register addresses (0x100..0x1ff)
Robert Jarzmik77110ab2008-08-14 12:02:51 -030087 */
88#define MT9M111_OPER_MODE_CTRL 0x106
89#define MT9M111_OUTPUT_FORMAT_CTRL 0x108
90#define MT9M111_REDUCER_XZOOM_B 0x1a0
91#define MT9M111_REDUCER_XSIZE_B 0x1a1
92#define MT9M111_REDUCER_YZOOM_B 0x1a3
93#define MT9M111_REDUCER_YSIZE_B 0x1a4
94#define MT9M111_REDUCER_XZOOM_A 0x1a6
95#define MT9M111_REDUCER_XSIZE_A 0x1a7
96#define MT9M111_REDUCER_YZOOM_A 0x1a9
97#define MT9M111_REDUCER_YSIZE_A 0x1aa
98
99#define MT9M111_OUTPUT_FORMAT_CTRL2_A 0x13a
100#define MT9M111_OUTPUT_FORMAT_CTRL2_B 0x19b
101
102#define MT9M111_OPMODE_AUTOEXPO_EN (1 << 14)
Robert Jarzmik39bf3722008-12-18 11:29:05 -0300103#define MT9M111_OPMODE_AUTOWHITEBAL_EN (1 << 1)
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300104#define MT9M111_OUTFMT_FLIP_BAYER_COL (1 << 9)
105#define MT9M111_OUTFMT_FLIP_BAYER_ROW (1 << 8)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300106#define MT9M111_OUTFMT_PROCESSED_BAYER (1 << 14)
107#define MT9M111_OUTFMT_BYPASS_IFP (1 << 10)
108#define MT9M111_OUTFMT_INV_PIX_CLOCK (1 << 9)
109#define MT9M111_OUTFMT_RGB (1 << 8)
Michael Grzeschikec733652010-08-03 07:57:41 -0300110#define MT9M111_OUTFMT_RGB565 (0 << 6)
111#define MT9M111_OUTFMT_RGB555 (1 << 6)
112#define MT9M111_OUTFMT_RGB444x (2 << 6)
113#define MT9M111_OUTFMT_RGBx444 (3 << 6)
114#define MT9M111_OUTFMT_TST_RAMP_OFF (0 << 4)
115#define MT9M111_OUTFMT_TST_RAMP_COL (1 << 4)
116#define MT9M111_OUTFMT_TST_RAMP_ROW (2 << 4)
117#define MT9M111_OUTFMT_TST_RAMP_FRAME (3 << 4)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300118#define MT9M111_OUTFMT_SHIFT_3_UP (1 << 3)
119#define MT9M111_OUTFMT_AVG_CHROMA (1 << 2)
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300120#define MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN (1 << 1)
121#define MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B (1 << 0)
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -0300122
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300123/*
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -0300124 * Camera control register addresses (0x200..0x2ff not implemented)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300125 */
126
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300127#define reg_read(reg) mt9m111_reg_read(client, MT9M111_##reg)
128#define reg_write(reg, val) mt9m111_reg_write(client, MT9M111_##reg, (val))
129#define reg_set(reg, val) mt9m111_reg_set(client, MT9M111_##reg, (val))
130#define reg_clear(reg, val) mt9m111_reg_clear(client, MT9M111_##reg, (val))
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300131#define reg_mask(reg, val, mask) mt9m111_reg_mask(client, MT9M111_##reg, \
132 (val), (mask))
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300133
134#define MT9M111_MIN_DARK_ROWS 8
Michael Grzeschik669470a2010-08-03 07:57:43 -0300135#define MT9M111_MIN_DARK_COLS 26
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300136#define MT9M111_MAX_HEIGHT 1024
137#define MT9M111_MAX_WIDTH 1280
138
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300139/* MT9M111 has only one fixed colorspace per pixelcode */
140struct mt9m111_datafmt {
141 enum v4l2_mbus_pixelcode code;
142 enum v4l2_colorspace colorspace;
143};
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300144
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300145/* Find a data format by a pixel code in an array */
146static const struct mt9m111_datafmt *mt9m111_find_datafmt(
147 enum v4l2_mbus_pixelcode code, const struct mt9m111_datafmt *fmt,
148 int n)
149{
150 int i;
151 for (i = 0; i < n; i++)
152 if (fmt[i].code == code)
153 return fmt + i;
154
155 return NULL;
156}
157
158static const struct mt9m111_datafmt mt9m111_colour_fmts[] = {
Guennadi Liakhovetskiace6e972010-07-22 16:52:51 -0300159 {V4L2_MBUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_JPEG},
160 {V4L2_MBUS_FMT_YVYU8_2X8, V4L2_COLORSPACE_JPEG},
161 {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG},
162 {V4L2_MBUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_JPEG},
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300163 {V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300164 {V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE, V4L2_COLORSPACE_SRGB},
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300165 {V4L2_MBUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB},
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300166 {V4L2_MBUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB},
167 {V4L2_MBUS_FMT_BGR565_2X8_LE, V4L2_COLORSPACE_SRGB},
168 {V4L2_MBUS_FMT_BGR565_2X8_BE, V4L2_COLORSPACE_SRGB},
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300169 {V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_COLORSPACE_SRGB},
170 {V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, V4L2_COLORSPACE_SRGB},
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300171};
172
173enum mt9m111_context {
174 HIGHPOWER = 0,
175 LOWPOWER,
176};
177
178struct mt9m111 {
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300179 struct v4l2_subdev subdev;
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -0300180 int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code
181 * from v4l2-chip-ident.h */
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300182 enum mt9m111_context context;
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300183 struct v4l2_rect rect;
Guennadi Liakhovetski14c5ea92011-06-05 08:27:39 -0300184 struct mutex power_lock; /* lock to protect power_count */
185 int power_count;
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300186 const struct mt9m111_datafmt *fmt;
Guennadi Liakhovetski96c75392009-08-25 11:53:23 -0300187 unsigned int gain;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300188 unsigned char autoexposure;
189 unsigned char datawidth;
190 unsigned int powered:1;
191 unsigned int hflip:1;
192 unsigned int vflip:1;
Robert Jarzmik39bf3722008-12-18 11:29:05 -0300193 unsigned int autowhitebalance:1;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300194};
195
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300196static struct mt9m111 *to_mt9m111(const struct i2c_client *client)
197{
198 return container_of(i2c_get_clientdata(client), struct mt9m111, subdev);
199}
200
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300201static int reg_page_map_set(struct i2c_client *client, const u16 reg)
202{
203 int ret;
204 u16 page;
205 static int lastpage = -1; /* PageMap cache value */
206
207 page = (reg >> 8);
208 if (page == lastpage)
209 return 0;
210 if (page > 2)
211 return -EINVAL;
212
213 ret = i2c_smbus_write_word_data(client, MT9M111_PAGE_MAP, swab16(page));
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300214 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300215 lastpage = page;
216 return ret;
217}
218
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300219static int mt9m111_reg_read(struct i2c_client *client, const u16 reg)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300220{
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300221 int ret;
222
223 ret = reg_page_map_set(client, reg);
224 if (!ret)
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300225 ret = swab16(i2c_smbus_read_word_data(client, reg & 0xff));
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300226
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300227 dev_dbg(&client->dev, "read reg.%03x -> %04x\n", reg, ret);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300228 return ret;
229}
230
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300231static int mt9m111_reg_write(struct i2c_client *client, const u16 reg,
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300232 const u16 data)
233{
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300234 int ret;
235
236 ret = reg_page_map_set(client, reg);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300237 if (!ret)
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -0300238 ret = i2c_smbus_write_word_data(client, reg & 0xff,
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300239 swab16(data));
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300240 dev_dbg(&client->dev, "write reg.%03x = %04x -> %d\n", reg, data, ret);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300241 return ret;
242}
243
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300244static int mt9m111_reg_set(struct i2c_client *client, const u16 reg,
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300245 const u16 data)
246{
247 int ret;
248
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300249 ret = mt9m111_reg_read(client, reg);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300250 if (ret >= 0)
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300251 ret = mt9m111_reg_write(client, reg, ret | data);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300252 return ret;
253}
254
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300255static int mt9m111_reg_clear(struct i2c_client *client, const u16 reg,
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300256 const u16 data)
257{
258 int ret;
259
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300260 ret = mt9m111_reg_read(client, reg);
Michael Grzeschik9c56cbf2011-07-12 12:39:03 -0300261 if (ret >= 0)
262 ret = mt9m111_reg_write(client, reg, ret & ~data);
263 return ret;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300264}
265
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300266static int mt9m111_reg_mask(struct i2c_client *client, const u16 reg,
267 const u16 data, const u16 mask)
268{
269 int ret;
270
271 ret = mt9m111_reg_read(client, reg);
272 if (ret >= 0)
273 ret = mt9m111_reg_write(client, reg, (ret & ~mask) | data);
274 return ret;
275}
276
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300277static int mt9m111_set_context(struct mt9m111 *mt9m111,
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300278 enum mt9m111_context ctxt)
279{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300280 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300281 int valB = MT9M111_CTXT_CTRL_RESTART | MT9M111_CTXT_CTRL_DEFECTCOR_B
282 | MT9M111_CTXT_CTRL_RESIZE_B | MT9M111_CTXT_CTRL_CTRL2_B
283 | MT9M111_CTXT_CTRL_GAMMA_B | MT9M111_CTXT_CTRL_READ_MODE_B
284 | MT9M111_CTXT_CTRL_VBLANK_SEL_B
285 | MT9M111_CTXT_CTRL_HBLANK_SEL_B;
286 int valA = MT9M111_CTXT_CTRL_RESTART;
287
288 if (ctxt == HIGHPOWER)
289 return reg_write(CONTEXT_CONTROL, valB);
290 else
291 return reg_write(CONTEXT_CONTROL, valA);
292}
293
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300294static int mt9m111_setup_rect(struct mt9m111 *mt9m111,
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300295 struct v4l2_rect *rect)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300296{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300297 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300298 int ret, is_raw_format;
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300299 int width = rect->width;
300 int height = rect->height;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300301
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300302 if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
303 mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300304 is_raw_format = 1;
305 else
306 is_raw_format = 0;
307
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300308 ret = reg_write(COLUMN_START, rect->left);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300309 if (!ret)
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300310 ret = reg_write(ROW_START, rect->top);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300311
312 if (is_raw_format) {
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300313 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300314 ret = reg_write(WINDOW_WIDTH, width);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300315 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300316 ret = reg_write(WINDOW_HEIGHT, height);
317 } else {
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300318 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300319 ret = reg_write(REDUCER_XZOOM_B, MT9M111_MAX_WIDTH);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300320 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300321 ret = reg_write(REDUCER_YZOOM_B, MT9M111_MAX_HEIGHT);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300322 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300323 ret = reg_write(REDUCER_XSIZE_B, width);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300324 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300325 ret = reg_write(REDUCER_YSIZE_B, height);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300326 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300327 ret = reg_write(REDUCER_XZOOM_A, MT9M111_MAX_WIDTH);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300328 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300329 ret = reg_write(REDUCER_YZOOM_A, MT9M111_MAX_HEIGHT);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300330 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300331 ret = reg_write(REDUCER_XSIZE_A, width);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300332 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300333 ret = reg_write(REDUCER_YSIZE_A, height);
334 }
335
336 return ret;
337}
338
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300339static int mt9m111_enable(struct mt9m111 *mt9m111)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300340{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300341 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300342 int ret;
343
344 ret = reg_set(RESET, MT9M111_RESET_CHIP_ENABLE);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300345 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300346 mt9m111->powered = 1;
347 return ret;
348}
349
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300350static int mt9m111_reset(struct mt9m111 *mt9m111)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300351{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300352 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300353 int ret;
354
355 ret = reg_set(RESET, MT9M111_RESET_RESET_MODE);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300356 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300357 ret = reg_set(RESET, MT9M111_RESET_RESET_SOC);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300358 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300359 ret = reg_clear(RESET, MT9M111_RESET_RESET_MODE
360 | MT9M111_RESET_RESET_SOC);
Antonio Ospiteafb13682009-02-23 12:13:24 -0300361
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300362 return ret;
363}
364
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300365static unsigned long mt9m111_query_bus_param(struct soc_camera_device *icd)
366{
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -0300367 struct soc_camera_link *icl = to_soc_camera_link(icd);
Guennadi Liakhovetskibd73b362008-12-23 05:54:45 -0300368 unsigned long flags = SOCAM_MASTER | SOCAM_PCLK_SAMPLE_RISING |
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300369 SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_HIGH |
Guennadi Liakhovetski2d9329f2009-02-23 12:12:58 -0300370 SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATAWIDTH_8;
Guennadi Liakhovetskibd73b362008-12-23 05:54:45 -0300371
372 return soc_camera_apply_sensor_flags(icl, flags);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300373}
374
375static int mt9m111_set_bus_param(struct soc_camera_device *icd, unsigned long f)
376{
377 return 0;
378}
379
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300380static int mt9m111_make_rect(struct mt9m111 *mt9m111,
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300381 struct v4l2_rect *rect)
382{
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300383 if (mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
384 mt9m111->fmt->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE) {
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300385 /* Bayer format - even size lengths */
386 rect->width = ALIGN(rect->width, 2);
387 rect->height = ALIGN(rect->height, 2);
388 /* Let the user play with the starting pixel */
389 }
390
391 /* FIXME: the datasheet doesn't specify minimum sizes */
392 soc_camera_limit_side(&rect->left, &rect->width,
393 MT9M111_MIN_DARK_COLS, 2, MT9M111_MAX_WIDTH);
394
395 soc_camera_limit_side(&rect->top, &rect->height,
396 MT9M111_MIN_DARK_ROWS, 2, MT9M111_MAX_HEIGHT);
397
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300398 return mt9m111_setup_rect(mt9m111, rect);
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300399}
400
Guennadi Liakhovetski08590b92009-08-25 11:46:54 -0300401static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300402{
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300403 struct v4l2_rect rect = a->c;
Laurent Pinchartc4ce6d12010-07-30 17:24:54 -0300404 struct i2c_client *client = v4l2_get_subdevdata(sd);
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300405 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300406 int ret;
407
Guennadi Liakhovetski85f8be62009-08-25 11:47:00 -0300408 dev_dbg(&client->dev, "%s left=%d, top=%d, width=%d, height=%d\n",
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300409 __func__, rect.left, rect.top, rect.width, rect.height);
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300410
Michael Grzeschik6b6d33c2010-08-03 07:57:44 -0300411 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
412 return -EINVAL;
413
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300414 ret = mt9m111_make_rect(mt9m111, &rect);
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300415 if (!ret)
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300416 mt9m111->rect = rect;
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300417 return ret;
418}
419
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300420static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
421{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300422 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300423
424 a->c = mt9m111->rect;
425 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
426
427 return 0;
428}
429
430static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
431{
Michael Grzeschik6b6d33c2010-08-03 07:57:44 -0300432 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
433 return -EINVAL;
434
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300435 a->bounds.left = MT9M111_MIN_DARK_COLS;
436 a->bounds.top = MT9M111_MIN_DARK_ROWS;
437 a->bounds.width = MT9M111_MAX_WIDTH;
438 a->bounds.height = MT9M111_MAX_HEIGHT;
439 a->defrect = a->bounds;
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300440 a->pixelaspect.numerator = 1;
441 a->pixelaspect.denominator = 1;
442
443 return 0;
444}
445
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300446static int mt9m111_g_fmt(struct v4l2_subdev *sd,
447 struct v4l2_mbus_framefmt *mf)
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300448{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300449 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300450
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300451 mf->width = mt9m111->rect.width;
452 mf->height = mt9m111->rect.height;
453 mf->code = mt9m111->fmt->code;
Michael Grzeschik01f5a392010-08-03 07:57:45 -0300454 mf->colorspace = mt9m111->fmt->colorspace;
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300455 mf->field = V4L2_FIELD_NONE;
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300456
457 return 0;
458}
459
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300460static int mt9m111_set_pixfmt(struct mt9m111 *mt9m111,
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300461 enum v4l2_mbus_pixelcode code)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300462{
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300463 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
464 u16 data_outfmt2, mask_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER |
465 MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB |
466 MT9M111_OUTFMT_RGB565 | MT9M111_OUTFMT_RGB555 |
467 MT9M111_OUTFMT_RGB444x | MT9M111_OUTFMT_RGBx444 |
468 MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
469 MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300470 int ret;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300471
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300472 switch (code) {
473 case V4L2_MBUS_FMT_SBGGR8_1X8:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300474 data_outfmt2 = MT9M111_OUTFMT_PROCESSED_BAYER |
475 MT9M111_OUTFMT_RGB;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300476 break;
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300477 case V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300478 data_outfmt2 = MT9M111_OUTFMT_BYPASS_IFP | MT9M111_OUTFMT_RGB;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300479 break;
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300480 case V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300481 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555 |
482 MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
483 break;
484 case V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE:
485 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB555;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300486 break;
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300487 case V4L2_MBUS_FMT_RGB565_2X8_LE:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300488 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
489 MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
490 break;
491 case V4L2_MBUS_FMT_RGB565_2X8_BE:
492 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565;
493 break;
494 case V4L2_MBUS_FMT_BGR565_2X8_BE:
495 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
496 MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
497 break;
498 case V4L2_MBUS_FMT_BGR565_2X8_LE:
499 data_outfmt2 = MT9M111_OUTFMT_RGB | MT9M111_OUTFMT_RGB565 |
500 MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
501 MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300502 break;
Guennadi Liakhovetskiace6e972010-07-22 16:52:51 -0300503 case V4L2_MBUS_FMT_UYVY8_2X8:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300504 data_outfmt2 = 0;
Robert Jarzmik88f4b892008-12-17 14:05:31 -0300505 break;
Guennadi Liakhovetskiace6e972010-07-22 16:52:51 -0300506 case V4L2_MBUS_FMT_VYUY8_2X8:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300507 data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
Robert Jarzmik88f4b892008-12-17 14:05:31 -0300508 break;
Guennadi Liakhovetskiace6e972010-07-22 16:52:51 -0300509 case V4L2_MBUS_FMT_YUYV8_2X8:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300510 data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN;
Robert Jarzmik88f4b892008-12-17 14:05:31 -0300511 break;
Guennadi Liakhovetskiace6e972010-07-22 16:52:51 -0300512 case V4L2_MBUS_FMT_YVYU8_2X8:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300513 data_outfmt2 = MT9M111_OUTFMT_SWAP_YCbCr_C_Y_RGB_EVEN |
514 MT9M111_OUTFMT_SWAP_YCbCr_Cb_Cr_RGB_R_B;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300515 break;
516 default:
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300517 dev_err(&client->dev, "Pixel format not handled: %x\n", code);
518 return -EINVAL;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300519 }
520
Michael Grzeschik7c58e7d2011-07-12 12:39:05 -0300521 ret = reg_mask(OUTPUT_FORMAT_CTRL2_A, data_outfmt2,
522 mask_outfmt2);
523 if (!ret)
524 ret = reg_mask(OUTPUT_FORMAT_CTRL2_B, data_outfmt2,
525 mask_outfmt2);
526
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300527 return ret;
528}
529
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300530static int mt9m111_s_fmt(struct v4l2_subdev *sd,
531 struct v4l2_mbus_framefmt *mf)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300532{
Laurent Pinchartc4ce6d12010-07-30 17:24:54 -0300533 struct i2c_client *client = v4l2_get_subdevdata(sd);
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300534 const struct mt9m111_datafmt *fmt;
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300535 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300536 struct v4l2_rect rect = {
537 .left = mt9m111->rect.left,
538 .top = mt9m111->rect.top,
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300539 .width = mf->width,
540 .height = mf->height,
Guennadi Liakhovetski09e231b2009-03-13 06:08:20 -0300541 };
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300542 int ret;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300543
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300544 fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts,
545 ARRAY_SIZE(mt9m111_colour_fmts));
546 if (!fmt)
547 return -EINVAL;
548
Guennadi Liakhovetski96c75392009-08-25 11:53:23 -0300549 dev_dbg(&client->dev,
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300550 "%s code=%x left=%d, top=%d, width=%d, height=%d\n", __func__,
551 mf->code, rect.left, rect.top, rect.width, rect.height);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300552
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300553 ret = mt9m111_make_rect(mt9m111, &rect);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300554 if (!ret)
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300555 ret = mt9m111_set_pixfmt(mt9m111, mf->code);
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300556 if (!ret) {
557 mt9m111->rect = rect;
558 mt9m111->fmt = fmt;
559 mf->colorspace = fmt->colorspace;
560 }
561
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300562 return ret;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300563}
564
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300565static int mt9m111_try_fmt(struct v4l2_subdev *sd,
566 struct v4l2_mbus_framefmt *mf)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300567{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300568 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300569 const struct mt9m111_datafmt *fmt;
570 bool bayer = mf->code == V4L2_MBUS_FMT_SBGGR8_1X8 ||
571 mf->code == V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE;
572
573 fmt = mt9m111_find_datafmt(mf->code, mt9m111_colour_fmts,
574 ARRAY_SIZE(mt9m111_colour_fmts));
575 if (!fmt) {
576 fmt = mt9m111->fmt;
577 mf->code = fmt->code;
578 }
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300579
580 /*
581 * With Bayer format enforce even side lengths, but let the user play
582 * with the starting pixel
583 */
Guennadi Liakhovetski64f59052008-12-18 11:51:55 -0300584
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300585 if (mf->height > MT9M111_MAX_HEIGHT)
586 mf->height = MT9M111_MAX_HEIGHT;
587 else if (mf->height < 2)
588 mf->height = 2;
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300589 else if (bayer)
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300590 mf->height = ALIGN(mf->height, 2);
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300591
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300592 if (mf->width > MT9M111_MAX_WIDTH)
593 mf->width = MT9M111_MAX_WIDTH;
594 else if (mf->width < 2)
595 mf->width = 2;
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -0300596 else if (bayer)
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -0300597 mf->width = ALIGN(mf->width, 2);
598
599 mf->colorspace = fmt->colorspace;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300600
601 return 0;
602}
603
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300604static int mt9m111_g_chip_ident(struct v4l2_subdev *sd,
605 struct v4l2_dbg_chip_ident *id)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300606{
Laurent Pinchartc4ce6d12010-07-30 17:24:54 -0300607 struct i2c_client *client = v4l2_get_subdevdata(sd);
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300608 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300609
Hans Verkuilaecde8b52008-12-30 07:14:19 -0300610 if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300611 return -EINVAL;
612
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -0300613 if (id->match.addr != client->addr)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300614 return -ENODEV;
615
616 id->ident = mt9m111->model;
617 id->revision = 0;
618
619 return 0;
620}
621
622#ifdef CONFIG_VIDEO_ADV_DEBUG
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300623static int mt9m111_g_register(struct v4l2_subdev *sd,
624 struct v4l2_dbg_register *reg)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300625{
Laurent Pinchartc4ce6d12010-07-30 17:24:54 -0300626 struct i2c_client *client = v4l2_get_subdevdata(sd);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300627 int val;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300628
Hans Verkuilaecde8b52008-12-30 07:14:19 -0300629 if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300630 return -EINVAL;
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300631 if (reg->match.addr != client->addr)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300632 return -ENODEV;
633
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300634 val = mt9m111_reg_read(client, reg->reg);
Hans Verkuilaecde8b52008-12-30 07:14:19 -0300635 reg->size = 2;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300636 reg->val = (u64)val;
637
638 if (reg->val > 0xffff)
639 return -EIO;
640
641 return 0;
642}
643
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300644static int mt9m111_s_register(struct v4l2_subdev *sd,
645 struct v4l2_dbg_register *reg)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300646{
Laurent Pinchartc4ce6d12010-07-30 17:24:54 -0300647 struct i2c_client *client = v4l2_get_subdevdata(sd);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300648
Hans Verkuilaecde8b52008-12-30 07:14:19 -0300649 if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x2ff)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300650 return -EINVAL;
651
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300652 if (reg->match.addr != client->addr)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300653 return -ENODEV;
654
Guennadi Liakhovetski9538e1c2009-04-24 12:57:01 -0300655 if (mt9m111_reg_write(client, reg->reg, reg->val) < 0)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300656 return -EIO;
657
658 return 0;
659}
660#endif
661
662static const struct v4l2_queryctrl mt9m111_controls[] = {
663 {
664 .id = V4L2_CID_VFLIP,
665 .type = V4L2_CTRL_TYPE_BOOLEAN,
666 .name = "Flip Verticaly",
667 .minimum = 0,
668 .maximum = 1,
669 .step = 1,
670 .default_value = 0,
671 }, {
672 .id = V4L2_CID_HFLIP,
673 .type = V4L2_CTRL_TYPE_BOOLEAN,
674 .name = "Flip Horizontaly",
675 .minimum = 0,
676 .maximum = 1,
677 .step = 1,
678 .default_value = 0,
679 }, { /* gain = 1/32*val (=>gain=1 if val==32) */
680 .id = V4L2_CID_GAIN,
681 .type = V4L2_CTRL_TYPE_INTEGER,
682 .name = "Gain",
683 .minimum = 0,
684 .maximum = 63 * 2 * 2,
685 .step = 1,
686 .default_value = 32,
687 .flags = V4L2_CTRL_FLAG_SLIDER,
688 }, {
689 .id = V4L2_CID_EXPOSURE_AUTO,
690 .type = V4L2_CTRL_TYPE_BOOLEAN,
691 .name = "Auto Exposure",
692 .minimum = 0,
693 .maximum = 1,
694 .step = 1,
695 .default_value = 1,
696 }
697};
698
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300699static struct soc_camera_ops mt9m111_ops = {
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300700 .query_bus_param = mt9m111_query_bus_param,
701 .set_bus_param = mt9m111_set_bus_param,
702 .controls = mt9m111_controls,
703 .num_controls = ARRAY_SIZE(mt9m111_controls),
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300704};
705
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300706static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300707{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300708 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300709 int ret;
710
711 if (mt9m111->context == HIGHPOWER) {
712 if (flip)
713 ret = reg_set(READ_MODE_B, mask);
714 else
715 ret = reg_clear(READ_MODE_B, mask);
716 } else {
717 if (flip)
718 ret = reg_set(READ_MODE_A, mask);
719 else
720 ret = reg_clear(READ_MODE_A, mask);
721 }
722
723 return ret;
724}
725
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300726static int mt9m111_get_global_gain(struct mt9m111 *mt9m111)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300727{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300728 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
roel kluin0f28b792008-12-17 14:01:07 -0300729 int data;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300730
731 data = reg_read(GLOBAL_GAIN);
732 if (data >= 0)
roel kluin0f28b792008-12-17 14:01:07 -0300733 return (data & 0x2f) * (1 << ((data >> 10) & 1)) *
734 (1 << ((data >> 9) & 1));
735 return data;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300736}
roel kluin0f28b792008-12-17 14:01:07 -0300737
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300738static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300739{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300740 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300741 u16 val;
742
743 if (gain > 63 * 2 * 2)
744 return -EINVAL;
745
Guennadi Liakhovetski96c75392009-08-25 11:53:23 -0300746 mt9m111->gain = gain;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300747 if ((gain >= 64 * 2) && (gain < 63 * 2 * 2))
748 val = (1 << 10) | (1 << 9) | (gain / 4);
749 else if ((gain >= 64) && (gain < 64 * 2))
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300750 val = (1 << 9) | (gain / 2);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300751 else
752 val = gain;
753
754 return reg_write(GLOBAL_GAIN, val);
755}
756
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300757static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int on)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300758{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300759 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300760 int ret;
761
762 if (on)
763 ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
764 else
765 ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
766
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300767 if (!ret)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300768 mt9m111->autoexposure = on;
769
770 return ret;
771}
Robert Jarzmik39bf3722008-12-18 11:29:05 -0300772
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300773static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on)
Robert Jarzmik39bf3722008-12-18 11:29:05 -0300774{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300775 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Robert Jarzmik39bf3722008-12-18 11:29:05 -0300776 int ret;
777
778 if (on)
779 ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
780 else
781 ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
782
783 if (!ret)
784 mt9m111->autowhitebalance = on;
785
786 return ret;
787}
788
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300789static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300790{
Laurent Pinchartc4ce6d12010-07-30 17:24:54 -0300791 struct i2c_client *client = v4l2_get_subdevdata(sd);
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300792 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300793 int data;
794
795 switch (ctrl->id) {
796 case V4L2_CID_VFLIP:
797 if (mt9m111->context == HIGHPOWER)
798 data = reg_read(READ_MODE_B);
799 else
800 data = reg_read(READ_MODE_A);
801
802 if (data < 0)
803 return -EIO;
804 ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS);
805 break;
806 case V4L2_CID_HFLIP:
807 if (mt9m111->context == HIGHPOWER)
808 data = reg_read(READ_MODE_B);
809 else
810 data = reg_read(READ_MODE_A);
811
812 if (data < 0)
813 return -EIO;
814 ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS);
815 break;
816 case V4L2_CID_GAIN:
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300817 data = mt9m111_get_global_gain(mt9m111);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300818 if (data < 0)
819 return data;
820 ctrl->value = data;
821 break;
822 case V4L2_CID_EXPOSURE_AUTO:
823 ctrl->value = mt9m111->autoexposure;
824 break;
Robert Jarzmik39bf3722008-12-18 11:29:05 -0300825 case V4L2_CID_AUTO_WHITE_BALANCE:
826 ctrl->value = mt9m111->autowhitebalance;
827 break;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300828 }
829 return 0;
830}
831
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300832static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300833{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300834 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300835 const struct v4l2_queryctrl *qctrl;
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300836 int ret;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300837
838 qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300839 if (!qctrl)
840 return -EINVAL;
841
842 switch (ctrl->id) {
843 case V4L2_CID_VFLIP:
844 mt9m111->vflip = ctrl->value;
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300845 ret = mt9m111_set_flip(mt9m111, ctrl->value,
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300846 MT9M111_RMB_MIRROR_ROWS);
847 break;
848 case V4L2_CID_HFLIP:
849 mt9m111->hflip = ctrl->value;
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300850 ret = mt9m111_set_flip(mt9m111, ctrl->value,
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300851 MT9M111_RMB_MIRROR_COLS);
852 break;
853 case V4L2_CID_GAIN:
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300854 ret = mt9m111_set_global_gain(mt9m111, ctrl->value);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300855 break;
856 case V4L2_CID_EXPOSURE_AUTO:
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300857 ret = mt9m111_set_autoexposure(mt9m111, ctrl->value);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300858 break;
Robert Jarzmik39bf3722008-12-18 11:29:05 -0300859 case V4L2_CID_AUTO_WHITE_BALANCE:
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300860 ret = mt9m111_set_autowhitebalance(mt9m111, ctrl->value);
Robert Jarzmik39bf3722008-12-18 11:29:05 -0300861 break;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300862 default:
863 ret = -EINVAL;
864 }
865
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300866 return ret;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300867}
868
Guennadi Liakhovetski14c5ea92011-06-05 08:27:39 -0300869static int mt9m111_suspend(struct mt9m111 *mt9m111)
Guennadi Liakhovetski96c75392009-08-25 11:53:23 -0300870{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300871 mt9m111->gain = mt9m111_get_global_gain(mt9m111);
Guennadi Liakhovetski96c75392009-08-25 11:53:23 -0300872
873 return 0;
874}
875
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300876static void mt9m111_restore_state(struct mt9m111 *mt9m111)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300877{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300878 mt9m111_set_context(mt9m111, mt9m111->context);
879 mt9m111_set_pixfmt(mt9m111, mt9m111->fmt->code);
880 mt9m111_setup_rect(mt9m111, &mt9m111->rect);
881 mt9m111_set_flip(mt9m111, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
882 mt9m111_set_flip(mt9m111, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
883 mt9m111_set_global_gain(mt9m111, mt9m111->gain);
884 mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure);
885 mt9m111_set_autowhitebalance(mt9m111, mt9m111->autowhitebalance);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300886}
887
Guennadi Liakhovetski14c5ea92011-06-05 08:27:39 -0300888static int mt9m111_resume(struct mt9m111 *mt9m111)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300889{
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300890 int ret = 0;
891
892 if (mt9m111->powered) {
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300893 ret = mt9m111_enable(mt9m111);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300894 if (!ret)
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300895 ret = mt9m111_reset(mt9m111);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300896 if (!ret)
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300897 mt9m111_restore_state(mt9m111);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300898 }
899 return ret;
900}
901
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300902static int mt9m111_init(struct mt9m111 *mt9m111)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300903{
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300904 struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300905 int ret;
906
907 mt9m111->context = HIGHPOWER;
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300908 ret = mt9m111_enable(mt9m111);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300909 if (!ret)
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300910 ret = mt9m111_reset(mt9m111);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300911 if (!ret)
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300912 ret = mt9m111_set_context(mt9m111, mt9m111->context);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300913 if (!ret)
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300914 ret = mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300915 if (ret)
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -0300916 dev_err(&client->dev, "mt9m111 init failed: %d\n", ret);
Guennadi Liakhovetski506c6292008-08-14 12:03:49 -0300917 return ret;
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300918}
919
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300920/*
921 * Interface active, can use i2c. If it fails, it can indeed mean, that
922 * this wasn't our capture interface, so, we wait for the right one
923 */
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -0300924static int mt9m111_video_probe(struct soc_camera_device *icd,
925 struct i2c_client *client)
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300926{
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300927 struct mt9m111 *mt9m111 = to_mt9m111(client);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300928 s32 data;
929 int ret;
930
Guennadi Liakhovetski7dfff952011-07-15 20:03:38 -0300931 /* We must have a parent by now. And it cannot be a wrong one. */
932 BUG_ON(!icd->parent ||
933 to_soc_camera_host(icd->parent)->nr != icd->iface);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300934
Guennadi Liakhovetskia4c56fd2009-08-25 11:53:23 -0300935 mt9m111->autoexposure = 1;
936 mt9m111->autowhitebalance = 1;
937
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300938 data = reg_read(CHIP_VERSION);
939
940 switch (data) {
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -0300941 case 0x143a: /* MT9M111 or MT9M131 */
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300942 mt9m111->model = V4L2_IDENT_MT9M111;
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -0300943 dev_info(&client->dev,
944 "Detected a MT9M111/MT9M131 chip ID %x\n", data);
Mike Rapoportd7f83a52008-12-18 11:44:15 -0300945 break;
946 case 0x148c: /* MT9M112 */
947 mt9m111->model = V4L2_IDENT_MT9M112;
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -0300948 dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300949 break;
950 default:
951 ret = -ENODEV;
Guennadi Liakhovetski85f8be62009-08-25 11:47:00 -0300952 dev_err(&client->dev,
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -0300953 "No MT9M111/MT9M112/MT9M131 chip detected register read %x\n",
954 data);
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300955 goto ei2c;
956 }
957
Guennadi Liakhovetski2768cbb2011-06-07 06:47:30 -0300958 ret = mt9m111_init(mt9m111);
Michael Grzeschik175bad92010-08-03 07:57:40 -0300959
Robert Jarzmik77110ab2008-08-14 12:02:51 -0300960ei2c:
961 return ret;
962}
963
Guennadi Liakhovetski14c5ea92011-06-05 08:27:39 -0300964static int mt9m111_s_power(struct v4l2_subdev *sd, int on)
965{
966 struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
967 struct i2c_client *client = v4l2_get_subdevdata(sd);
968 int ret = 0;
969
970 mutex_lock(&mt9m111->power_lock);
971
972 /*
973 * If the power count is modified from 0 to != 0 or from != 0 to 0,
974 * update the power state.
975 */
976 if (mt9m111->power_count == !on) {
977 if (on) {
978 ret = mt9m111_resume(mt9m111);
979 if (ret) {
980 dev_err(&client->dev,
981 "Failed to resume the sensor: %d\n", ret);
982 goto out;
983 }
984 } else {
985 mt9m111_suspend(mt9m111);
986 }
987 }
988
989 /* Update the power count. */
990 mt9m111->power_count += on ? 1 : -1;
991 WARN_ON(mt9m111->power_count < 0);
992
993out:
994 mutex_unlock(&mt9m111->power_lock);
995 return ret;
996}
997
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -0300998static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
999 .g_ctrl = mt9m111_g_ctrl,
1000 .s_ctrl = mt9m111_s_ctrl,
1001 .g_chip_ident = mt9m111_g_chip_ident,
Guennadi Liakhovetski14c5ea92011-06-05 08:27:39 -03001002 .s_power = mt9m111_s_power,
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -03001003#ifdef CONFIG_VIDEO_ADV_DEBUG
1004 .g_register = mt9m111_g_register,
1005 .s_register = mt9m111_s_register,
1006#endif
1007};
1008
Hans Verkuil3805f202010-05-08 17:55:00 -03001009static int mt9m111_enum_fmt(struct v4l2_subdev *sd, unsigned int index,
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -03001010 enum v4l2_mbus_pixelcode *code)
1011{
Hans Verkuil3805f202010-05-08 17:55:00 -03001012 if (index >= ARRAY_SIZE(mt9m111_colour_fmts))
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -03001013 return -EINVAL;
1014
1015 *code = mt9m111_colour_fmts[index].code;
1016 return 0;
1017}
1018
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -03001019static struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = {
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -03001020 .s_mbus_fmt = mt9m111_s_fmt,
1021 .g_mbus_fmt = mt9m111_g_fmt,
1022 .try_mbus_fmt = mt9m111_try_fmt,
Guennadi Liakhovetski08590b92009-08-25 11:46:54 -03001023 .s_crop = mt9m111_s_crop,
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -03001024 .g_crop = mt9m111_g_crop,
1025 .cropcap = mt9m111_cropcap,
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -03001026 .enum_mbus_fmt = mt9m111_enum_fmt,
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -03001027};
1028
1029static struct v4l2_subdev_ops mt9m111_subdev_ops = {
1030 .core = &mt9m111_subdev_core_ops,
1031 .video = &mt9m111_subdev_video_ops,
1032};
1033
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001034static int mt9m111_probe(struct i2c_client *client,
1035 const struct i2c_device_id *did)
1036{
1037 struct mt9m111 *mt9m111;
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -03001038 struct soc_camera_device *icd = client->dev.platform_data;
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001039 struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -03001040 struct soc_camera_link *icl;
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001041 int ret;
1042
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -03001043 if (!icd) {
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -03001044 dev_err(&client->dev, "mt9m111: soc-camera data missing!\n");
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -03001045 return -EINVAL;
1046 }
1047
1048 icl = to_soc_camera_link(icd);
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001049 if (!icl) {
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -03001050 dev_err(&client->dev, "mt9m111: driver needs platform data\n");
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001051 return -EINVAL;
1052 }
1053
1054 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
1055 dev_warn(&adapter->dev,
1056 "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
1057 return -EIO;
1058 }
1059
1060 mt9m111 = kzalloc(sizeof(struct mt9m111), GFP_KERNEL);
1061 if (!mt9m111)
1062 return -ENOMEM;
1063
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -03001064 v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops);
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001065
1066 /* Second stage probe - when a capture adapter is there */
Guennadi Liakhovetskia0705b02009-08-25 11:46:17 -03001067 icd->ops = &mt9m111_ops;
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001068
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -03001069 mt9m111->rect.left = MT9M111_MIN_DARK_COLS;
1070 mt9m111->rect.top = MT9M111_MIN_DARK_ROWS;
1071 mt9m111->rect.width = MT9M111_MAX_WIDTH;
1072 mt9m111->rect.height = MT9M111_MAX_HEIGHT;
Guennadi Liakhovetski760697b2009-12-11 11:46:49 -03001073 mt9m111->fmt = &mt9m111_colour_fmts[0];
Guennadi Liakhovetski6a6c8782009-08-25 11:50:46 -03001074
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -03001075 ret = mt9m111_video_probe(icd, client);
1076 if (ret) {
1077 icd->ops = NULL;
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -03001078 kfree(mt9m111);
1079 }
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001080
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001081 return ret;
1082}
1083
1084static int mt9m111_remove(struct i2c_client *client)
1085{
Guennadi Liakhovetski979ea1d2009-08-25 11:43:33 -03001086 struct mt9m111 *mt9m111 = to_mt9m111(client);
Guennadi Liakhovetski40e2e092009-08-25 11:28:22 -03001087 struct soc_camera_device *icd = client->dev.platform_data;
1088
1089 icd->ops = NULL;
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001090 kfree(mt9m111);
1091
1092 return 0;
1093}
1094
1095static const struct i2c_device_id mt9m111_id[] = {
1096 { "mt9m111", 0 },
1097 { }
1098};
1099MODULE_DEVICE_TABLE(i2c, mt9m111_id);
1100
1101static struct i2c_driver mt9m111_i2c_driver = {
1102 .driver = {
1103 .name = "mt9m111",
1104 },
1105 .probe = mt9m111_probe,
1106 .remove = mt9m111_remove,
1107 .id_table = mt9m111_id,
1108};
1109
1110static int __init mt9m111_mod_init(void)
1111{
1112 return i2c_add_driver(&mt9m111_i2c_driver);
1113}
1114
1115static void __exit mt9m111_mod_exit(void)
1116{
1117 i2c_del_driver(&mt9m111_i2c_driver);
1118}
1119
1120module_init(mt9m111_mod_init);
1121module_exit(mt9m111_mod_exit);
1122
Philipp Wiesnerc8cf0782010-08-03 07:57:39 -03001123MODULE_DESCRIPTION("Micron/Aptina MT9M111/MT9M112/MT9M131 Camera driver");
Robert Jarzmik77110ab2008-08-14 12:02:51 -03001124MODULE_AUTHOR("Robert Jarzmik");
1125MODULE_LICENSE("GPL");