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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/media/video/sn9c102/
1/***************************************************************************
2 * Plug-in for MI-0360 image sensor connected to the SN9C1xx PC Camera     *
3 * Controllers                                                             *
4 *                                                                         *
5 * Copyright (C) 2007 by Luca Risolia <luca.risolia@studio.unibo.it>       *
6 *                                                                         *
7 * This program is free software; you can redistribute it and/or modify    *
8 * it under the terms of the GNU General Public License as published by    *
9 * the Free Software Foundation; either version 2 of the License, or       *
10 * (at your option) any later version.                                     *
11 *                                                                         *
12 * This program is distributed in the hope that it will be useful,         *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
15 * GNU General Public License for more details.                            *
16 *                                                                         *
17 * You should have received a copy of the GNU General Public License       *
18 * along with this program; if not, write to the Free Software             *
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.               *
20 ***************************************************************************/
21
22#include "sn9c102_sensor.h"
23#include "sn9c102_devtable.h"
24
25
26static int mi0360_init(struct sn9c102_device* cam)
27{
28	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
29	int err = 0;
30
31	switch (sn9c102_get_bridge(cam)) {
32	case BRIDGE_SN9C103:
33		err = sn9c102_write_const_regs(cam, {0x00, 0x10}, {0x00, 0x11},
34					       {0x0a, 0x14}, {0x40, 0x01},
35					       {0x20, 0x17}, {0x07, 0x18},
36					       {0xa0, 0x19}, {0x02, 0x1c},
37					       {0x03, 0x1d}, {0x0f, 0x1e},
38					       {0x0c, 0x1f}, {0x00, 0x20},
39					       {0x10, 0x21}, {0x20, 0x22},
40					       {0x30, 0x23}, {0x40, 0x24},
41					       {0x50, 0x25}, {0x60, 0x26},
42					       {0x70, 0x27}, {0x80, 0x28},
43					       {0x90, 0x29}, {0xa0, 0x2a},
44					       {0xb0, 0x2b}, {0xc0, 0x2c},
45					       {0xd0, 0x2d}, {0xe0, 0x2e},
46					       {0xf0, 0x2f}, {0xff, 0x30});
47		break;
48	case BRIDGE_SN9C105:
49	case BRIDGE_SN9C120:
50		err = sn9c102_write_const_regs(cam, {0x44, 0x01}, {0x40, 0x02},
51					       {0x00, 0x03}, {0x1a, 0x04},
52					       {0x50, 0x05}, {0x20, 0x06},
53					       {0x10, 0x07}, {0x03, 0x10},
54					       {0x08, 0x14}, {0xa2, 0x17},
55					       {0x47, 0x18}, {0x00, 0x19},
56					       {0x1d, 0x1a}, {0x10, 0x1b},
57					       {0x02, 0x1c}, {0x03, 0x1d},
58					       {0x0f, 0x1e}, {0x0c, 0x1f},
59					       {0x00, 0x20}, {0x29, 0x21},
60					       {0x40, 0x22}, {0x54, 0x23},
61					       {0x66, 0x24}, {0x76, 0x25},
62					       {0x85, 0x26}, {0x94, 0x27},
63					       {0xa1, 0x28}, {0xae, 0x29},
64					       {0xbb, 0x2a}, {0xc7, 0x2b},
65					       {0xd3, 0x2c}, {0xde, 0x2d},
66					       {0xea, 0x2e}, {0xf4, 0x2f},
67					       {0xff, 0x30}, {0x00, 0x3F},
68					       {0xC7, 0x40}, {0x01, 0x41},
69					       {0x44, 0x42}, {0x00, 0x43},
70					       {0x44, 0x44}, {0x00, 0x45},
71					       {0x44, 0x46}, {0x00, 0x47},
72					       {0xC7, 0x48}, {0x01, 0x49},
73					       {0xC7, 0x4A}, {0x01, 0x4B},
74					       {0xC7, 0x4C}, {0x01, 0x4D},
75					       {0x44, 0x4E}, {0x00, 0x4F},
76					       {0x44, 0x50}, {0x00, 0x51},
77					       {0x44, 0x52}, {0x00, 0x53},
78					       {0xC7, 0x54}, {0x01, 0x55},
79					       {0xC7, 0x56}, {0x01, 0x57},
80					       {0xC7, 0x58}, {0x01, 0x59},
81					       {0x44, 0x5A}, {0x00, 0x5B},
82					       {0x44, 0x5C}, {0x00, 0x5D},
83					       {0x44, 0x5E}, {0x00, 0x5F},
84					       {0xC7, 0x60}, {0x01, 0x61},
85					       {0xC7, 0x62}, {0x01, 0x63},
86					       {0xC7, 0x64}, {0x01, 0x65},
87					       {0x44, 0x66}, {0x00, 0x67},
88					       {0x44, 0x68}, {0x00, 0x69},
89					       {0x44, 0x6A}, {0x00, 0x6B},
90					       {0xC7, 0x6C}, {0x01, 0x6D},
91					       {0xC7, 0x6E}, {0x01, 0x6F},
92					       {0xC7, 0x70}, {0x01, 0x71},
93					       {0x44, 0x72}, {0x00, 0x73},
94					       {0x44, 0x74}, {0x00, 0x75},
95					       {0x44, 0x76}, {0x00, 0x77},
96					       {0xC7, 0x78}, {0x01, 0x79},
97					       {0xC7, 0x7A}, {0x01, 0x7B},
98					       {0xC7, 0x7C}, {0x01, 0x7D},
99					       {0x44, 0x7E}, {0x00, 0x7F},
100					       {0x14, 0x84}, {0x00, 0x85},
101					       {0x27, 0x86}, {0x00, 0x87},
102					       {0x07, 0x88}, {0x00, 0x89},
103					       {0xEC, 0x8A}, {0x0f, 0x8B},
104					       {0xD8, 0x8C}, {0x0f, 0x8D},
105					       {0x3D, 0x8E}, {0x00, 0x8F},
106					       {0x3D, 0x90}, {0x00, 0x91},
107					       {0xCD, 0x92}, {0x0f, 0x93},
108					       {0xf7, 0x94}, {0x0f, 0x95},
109					       {0x0C, 0x96}, {0x00, 0x97},
110					       {0x00, 0x98}, {0x66, 0x99},
111					       {0x05, 0x9A}, {0x00, 0x9B},
112					       {0x04, 0x9C}, {0x00, 0x9D},
113					       {0x08, 0x9E}, {0x00, 0x9F},
114					       {0x2D, 0xC0}, {0x2D, 0xC1},
115					       {0x3A, 0xC2}, {0x05, 0xC3},
116					       {0x04, 0xC4}, {0x3F, 0xC5},
117					       {0x00, 0xC6}, {0x00, 0xC7},
118					       {0x50, 0xC8}, {0x3C, 0xC9},
119					       {0x28, 0xCA}, {0xD8, 0xCB},
120					       {0x14, 0xCC}, {0xEC, 0xCD},
121					       {0x32, 0xCE}, {0xDD, 0xCF},
122					       {0x32, 0xD0}, {0xDD, 0xD1},
123					       {0x6A, 0xD2}, {0x50, 0xD3},
124					       {0x00, 0xD4}, {0x00, 0xD5},
125					       {0x00, 0xD6});
126		break;
127	default:
128		break;
129	}
130
131	err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
132					 0x00, 0x01, 0, 0);
133	err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x0d,
134					 0x00, 0x00, 0, 0);
135	err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x03,
136					 0x01, 0xe1, 0, 0);
137	err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x04,
138					 0x02, 0x81, 0, 0);
139	err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x05,
140					 0x00, 0x17, 0, 0);
141	err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x06,
142					 0x00, 0x11, 0, 0);
143	err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id, 0x62,
144					 0x04, 0x9a, 0, 0);
145
146	return err;
147}
148
149
150static int mi0360_get_ctrl(struct sn9c102_device* cam,
151			   struct v4l2_control* ctrl)
152{
153	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
154	u8 data[2];
155
156	switch (ctrl->id) {
157	case V4L2_CID_EXPOSURE:
158		if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x09, 2,
159					     data) < 0)
160			return -EIO;
161		ctrl->value = data[0];
162		return 0;
163	case V4L2_CID_GAIN:
164		if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x35, 2,
165					     data) < 0)
166			return -EIO;
167		ctrl->value = data[1];
168		return 0;
169	case V4L2_CID_RED_BALANCE:
170		if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2c, 2,
171					     data) < 0)
172			return -EIO;
173		ctrl->value = data[1];
174		return 0;
175	case V4L2_CID_BLUE_BALANCE:
176		if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2d, 2,
177					     data) < 0)
178			return -EIO;
179		ctrl->value = data[1];
180		return 0;
181	case SN9C102_V4L2_CID_GREEN_BALANCE:
182		if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x2e, 2,
183					     data) < 0)
184			return -EIO;
185		ctrl->value = data[1];
186		return 0;
187	case V4L2_CID_HFLIP:
188		if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2,
189					     data) < 0)
190			return -EIO;
191		ctrl->value = data[1] & 0x20 ? 1 : 0;
192		return 0;
193	case V4L2_CID_VFLIP:
194		if (sn9c102_i2c_try_raw_read(cam, s, s->i2c_slave_id, 0x20, 2,
195					     data) < 0)
196			return -EIO;
197		ctrl->value = data[1] & 0x80 ? 1 : 0;
198		return 0;
199	default:
200		return -EINVAL;
201	}
202
203	return 0;
204}
205
206
207static int mi0360_set_ctrl(struct sn9c102_device* cam,
208			   const struct v4l2_control* ctrl)
209{
210	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
211	int err = 0;
212
213	switch (ctrl->id) {
214	case V4L2_CID_EXPOSURE:
215		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
216						 0x09, ctrl->value, 0x00,
217						 0, 0);
218		break;
219	case V4L2_CID_GAIN:
220		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
221						 0x35, 0x03, ctrl->value,
222						 0, 0);
223		break;
224	case V4L2_CID_RED_BALANCE:
225		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
226						 0x2c, 0x03, ctrl->value,
227						 0, 0);
228		break;
229	case V4L2_CID_BLUE_BALANCE:
230		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
231						 0x2d, 0x03, ctrl->value,
232						 0, 0);
233		break;
234	case SN9C102_V4L2_CID_GREEN_BALANCE:
235		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
236						 0x2b, 0x03, ctrl->value,
237						 0, 0);
238		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
239						 0x2e, 0x03, ctrl->value,
240						 0, 0);
241		break;
242	case V4L2_CID_HFLIP:
243		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
244						 0x20, ctrl->value ? 0x40:0x00,
245						 ctrl->value ? 0x20:0x00,
246						 0, 0);
247		break;
248	case V4L2_CID_VFLIP:
249		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
250						 0x20, ctrl->value ? 0x80:0x00,
251						 ctrl->value ? 0x80:0x00,
252						 0, 0);
253		break;
254	default:
255		return -EINVAL;
256	}
257
258	return err ? -EIO : 0;
259}
260
261
262static int mi0360_set_crop(struct sn9c102_device* cam,
263			    const struct v4l2_rect* rect)
264{
265	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
266	int err = 0;
267	u8 h_start = 0, v_start = (u8)(rect->top - s->cropcap.bounds.top) + 1;
268
269	switch (sn9c102_get_bridge(cam)) {
270	case BRIDGE_SN9C103:
271		h_start = (u8)(rect->left - s->cropcap.bounds.left) + 0;
272		break;
273	case BRIDGE_SN9C105:
274	case BRIDGE_SN9C120:
275		h_start = (u8)(rect->left - s->cropcap.bounds.left) + 1;
276		break;
277	default:
278		break;
279	}
280
281	err += sn9c102_write_reg(cam, h_start, 0x12);
282	err += sn9c102_write_reg(cam, v_start, 0x13);
283
284	return err;
285}
286
287
288static int mi0360_set_pix_format(struct sn9c102_device* cam,
289				 const struct v4l2_pix_format* pix)
290{
291	struct sn9c102_sensor* s = sn9c102_get_sensor(cam);
292	int err = 0;
293
294	if (pix->pixelformat == V4L2_PIX_FMT_SBGGR8) {
295		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
296						 0x0a, 0x00, 0x05, 0, 0);
297		err += sn9c102_write_reg(cam, 0x60, 0x19);
298		if (sn9c102_get_bridge(cam) == BRIDGE_SN9C105 ||
299		    sn9c102_get_bridge(cam) == BRIDGE_SN9C120)
300			err += sn9c102_write_reg(cam, 0xa6, 0x17);
301	} else {
302		err += sn9c102_i2c_try_raw_write(cam, s, 4, s->i2c_slave_id,
303						 0x0a, 0x00, 0x02, 0, 0);
304		err += sn9c102_write_reg(cam, 0x20, 0x19);
305		if (sn9c102_get_bridge(cam) == BRIDGE_SN9C105 ||
306		    sn9c102_get_bridge(cam) == BRIDGE_SN9C120)
307			err += sn9c102_write_reg(cam, 0xa2, 0x17);
308	}
309
310	return err;
311}
312
313
314static const struct sn9c102_sensor mi0360 = {
315	.name = "MI-0360",
316	.maintainer = "Luca Risolia <luca.risolia@studio.unibo.it>",
317	.supported_bridge = BRIDGE_SN9C103 | BRIDGE_SN9C105 | BRIDGE_SN9C120,
318	.frequency = SN9C102_I2C_100KHZ,
319	.interface = SN9C102_I2C_2WIRES,
320	.i2c_slave_id = 0x5d,
321	.init = &mi0360_init,
322	.qctrl = {
323		{
324			.id = V4L2_CID_EXPOSURE,
325			.type = V4L2_CTRL_TYPE_INTEGER,
326			.name = "exposure",
327			.minimum = 0x00,
328			.maximum = 0x0f,
329			.step = 0x01,
330			.default_value = 0x05,
331			.flags = 0,
332		},
333		{
334			.id = V4L2_CID_GAIN,
335			.type = V4L2_CTRL_TYPE_INTEGER,
336			.name = "global gain",
337			.minimum = 0x00,
338			.maximum = 0x7f,
339			.step = 0x01,
340			.default_value = 0x25,
341			.flags = 0,
342		},
343		{
344			.id = V4L2_CID_HFLIP,
345			.type = V4L2_CTRL_TYPE_BOOLEAN,
346			.name = "horizontal mirror",
347			.minimum = 0,
348			.maximum = 1,
349			.step = 1,
350			.default_value = 0,
351			.flags = 0,
352		},
353		{
354			.id = V4L2_CID_VFLIP,
355			.type = V4L2_CTRL_TYPE_BOOLEAN,
356			.name = "vertical mirror",
357			.minimum = 0,
358			.maximum = 1,
359			.step = 1,
360			.default_value = 0,
361			.flags = 0,
362		},
363		{
364			.id = V4L2_CID_BLUE_BALANCE,
365			.type = V4L2_CTRL_TYPE_INTEGER,
366			.name = "blue balance",
367			.minimum = 0x00,
368			.maximum = 0x7f,
369			.step = 0x01,
370			.default_value = 0x0f,
371			.flags = 0,
372		},
373		{
374			.id = V4L2_CID_RED_BALANCE,
375			.type = V4L2_CTRL_TYPE_INTEGER,
376			.name = "red balance",
377			.minimum = 0x00,
378			.maximum = 0x7f,
379			.step = 0x01,
380			.default_value = 0x32,
381			.flags = 0,
382		},
383		{
384			.id = SN9C102_V4L2_CID_GREEN_BALANCE,
385			.type = V4L2_CTRL_TYPE_INTEGER,
386			.name = "green balance",
387			.minimum = 0x00,
388			.maximum = 0x7f,
389			.step = 0x01,
390			.default_value = 0x25,
391			.flags = 0,
392		},
393	},
394	.get_ctrl = &mi0360_get_ctrl,
395	.set_ctrl = &mi0360_set_ctrl,
396	.cropcap = {
397		.bounds = {
398			.left = 0,
399			.top = 0,
400			.width = 640,
401			.height = 480,
402		},
403		.defrect = {
404			.left = 0,
405			.top = 0,
406			.width = 640,
407			.height = 480,
408		},
409	},
410	.set_crop = &mi0360_set_crop,
411	.pix_format = {
412		.width = 640,
413		.height = 480,
414		.pixelformat = V4L2_PIX_FMT_SBGGR8,
415		.priv = 8,
416	},
417	.set_pix_format = &mi0360_set_pix_format
418};
419
420
421int sn9c102_probe_mi0360(struct sn9c102_device* cam)
422{
423
424	u8 data[2];
425
426	switch (sn9c102_get_bridge(cam)) {
427	case BRIDGE_SN9C103:
428		if (sn9c102_write_const_regs(cam, {0x01, 0x01}, {0x00, 0x01},
429					     {0x28, 0x17}))
430			return -EIO;
431		break;
432	case BRIDGE_SN9C105:
433	case BRIDGE_SN9C120:
434		if (sn9c102_write_const_regs(cam, {0x01, 0xf1}, {0x00, 0xf1},
435					     {0x01, 0x01}, {0x00, 0x01},
436					     {0x28, 0x17}))
437			return -EIO;
438		break;
439	default:
440		break;
441	}
442
443	if (sn9c102_i2c_try_raw_read(cam, &mi0360, mi0360.i2c_slave_id, 0x00,
444				     2, data) < 0)
445		return -EIO;
446
447	if (data[0] != 0x82 || data[1] != 0x43)
448		return -ENODEV;
449
450	sn9c102_attach_sensor(cam, &mi0360);
451
452	return 0;
453}
454