blob: ece90df6a04359255aaa98969a7180263445be5a [file] [log] [blame]
Mauro Carvalho Chehabd56410e2006-03-25 09:19:53 -03001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * vpx3220a, vpx3216b & vpx3214c video decoder driver version 0.0.1
3 *
4 * Copyright (C) 2001 Laurent Pinchart <lpinchart@freegates.be>
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 as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21#include <linux/module.h>
22#include <linux/init.h>
23#include <linux/delay.h>
24#include <linux/types.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090025#include <linux/slab.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <asm/uaccess.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include <linux/i2c.h>
Hans Verkuil107063c2009-02-18 17:26:06 -030028#include <linux/videodev2.h>
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030029#include <media/v4l2-device.h>
Hans Verkuil9a775322010-12-12 08:45:59 -030030#include <media/v4l2-ctrls.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
Hans Verkuil23848b62008-09-07 08:01:39 -030032MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video decoder driver");
33MODULE_AUTHOR("Laurent Pinchart");
34MODULE_LICENSE("GPL");
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
Douglas Schilling Landgrafff699e62008-04-22 14:41:48 -030036static int debug;
Linus Torvalds1da177e2005-04-16 15:20:36 -070037module_param(debug, int, 0);
38MODULE_PARM_DESC(debug, "Debug level (0-1)");
39
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030040
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#define VPX_TIMEOUT_COUNT 10
42
43/* ----------------------------------------------------------------------- */
44
45struct vpx3220 {
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030046 struct v4l2_subdev sd;
Hans Verkuil9a775322010-12-12 08:45:59 -030047 struct v4l2_ctrl_handler hdl;
Linus Torvalds1da177e2005-04-16 15:20:36 -070048 unsigned char reg[255];
49
Hans Verkuil107063c2009-02-18 17:26:06 -030050 v4l2_std_id norm;
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 int input;
52 int enable;
Linus Torvalds1da177e2005-04-16 15:20:36 -070053};
54
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030055static inline struct vpx3220 *to_vpx3220(struct v4l2_subdev *sd)
56{
57 return container_of(sd, struct vpx3220, sd);
58}
59
Hans Verkuil9a775322010-12-12 08:45:59 -030060static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
61{
62 return &container_of(ctrl->handler, struct vpx3220, hdl)->sd;
63}
64
Linus Torvalds1da177e2005-04-16 15:20:36 -070065static char *inputs[] = { "internal", "composite", "svideo" };
66
67/* ----------------------------------------------------------------------- */
Hans Verkuil23848b62008-09-07 08:01:39 -030068
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030069static inline int vpx3220_write(struct v4l2_subdev *sd, u8 reg, u8 value)
Linus Torvalds1da177e2005-04-16 15:20:36 -070070{
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030071 struct i2c_client *client = v4l2_get_subdevdata(sd);
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 struct vpx3220 *decoder = i2c_get_clientdata(client);
73
74 decoder->reg[reg] = value;
75 return i2c_smbus_write_byte_data(client, reg, value);
76}
77
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030078static inline int vpx3220_read(struct v4l2_subdev *sd, u8 reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -070079{
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030080 struct i2c_client *client = v4l2_get_subdevdata(sd);
81
Linus Torvalds1da177e2005-04-16 15:20:36 -070082 return i2c_smbus_read_byte_data(client, reg);
83}
84
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030085static int vpx3220_fp_status(struct v4l2_subdev *sd)
Linus Torvalds1da177e2005-04-16 15:20:36 -070086{
87 unsigned char status;
88 unsigned int i;
89
90 for (i = 0; i < VPX_TIMEOUT_COUNT; i++) {
Hans Verkuil7e5eaad2009-02-19 14:36:53 -030091 status = vpx3220_read(sd, 0x29);
Linus Torvalds1da177e2005-04-16 15:20:36 -070092
93 if (!(status & 4))
94 return 0;
95
96 udelay(10);
97
98 if (need_resched())
99 cond_resched();
100 }
101
102 return -1;
103}
104
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300105static int vpx3220_fp_write(struct v4l2_subdev *sd, u8 fpaddr, u16 data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106{
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300107 struct i2c_client *client = v4l2_get_subdevdata(sd);
108
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109 /* Write the 16-bit address to the FPWR register */
110 if (i2c_smbus_write_word_data(client, 0x27, swab16(fpaddr)) == -1) {
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300111 v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 return -1;
113 }
114
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300115 if (vpx3220_fp_status(sd) < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116 return -1;
117
118 /* Write the 16-bit data to the FPDAT register */
119 if (i2c_smbus_write_word_data(client, 0x28, swab16(data)) == -1) {
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300120 v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121 return -1;
122 }
123
124 return 0;
125}
126
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300127static u16 vpx3220_fp_read(struct v4l2_subdev *sd, u16 fpaddr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128{
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300129 struct i2c_client *client = v4l2_get_subdevdata(sd);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130 s16 data;
131
132 /* Write the 16-bit address to the FPRD register */
133 if (i2c_smbus_write_word_data(client, 0x26, swab16(fpaddr)) == -1) {
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300134 v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135 return -1;
136 }
137
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300138 if (vpx3220_fp_status(sd) < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139 return -1;
140
141 /* Read the 16-bit data from the FPDAT register */
142 data = i2c_smbus_read_word_data(client, 0x28);
143 if (data == -1) {
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300144 v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145 return -1;
146 }
147
148 return swab16(data);
149}
150
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300151static int vpx3220_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152{
153 u8 reg;
154 int ret = -1;
155
156 while (len >= 2) {
157 reg = *data++;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300158 ret = vpx3220_write(sd, reg, *data++);
Hans Verkuil23848b62008-09-07 08:01:39 -0300159 if (ret < 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160 break;
161 len -= 2;
162 }
163
164 return ret;
165}
166
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300167static int vpx3220_write_fp_block(struct v4l2_subdev *sd,
Hans Verkuil23848b62008-09-07 08:01:39 -0300168 const u16 *data, unsigned int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700169{
170 u8 reg;
171 int ret = 0;
172
173 while (len > 1) {
174 reg = *data++;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300175 ret |= vpx3220_fp_write(sd, reg, *data++);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176 len -= 2;
177 }
178
179 return ret;
180}
181
182/* ---------------------------------------------------------------------- */
183
184static const unsigned short init_ntsc[] = {
185 0x1c, 0x00, /* NTSC tint angle */
186 0x88, 17, /* Window 1 vertical */
187 0x89, 240, /* Vertical lines in */
188 0x8a, 240, /* Vertical lines out */
189 0x8b, 000, /* Horizontal begin */
190 0x8c, 640, /* Horizontal length */
191 0x8d, 640, /* Number of pixels */
192 0x8f, 0xc00, /* Disable window 2 */
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700193 0xf0, 0x73, /* 13.5 MHz transport, Forced
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194 * mode, latch windows */
195 0xf2, 0x13, /* NTSC M, composite input */
196 0xe7, 0x1e1, /* Enable vertical standard
197 * locking @ 240 lines */
198};
199
200static const unsigned short init_pal[] = {
201 0x88, 23, /* Window 1 vertical begin */
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700202 0x89, 288, /* Vertical lines in (16 lines
Linus Torvalds1da177e2005-04-16 15:20:36 -0700203 * skipped by the VFE) */
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700204 0x8a, 288, /* Vertical lines out (16 lines
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205 * skipped by the VFE) */
206 0x8b, 16, /* Horizontal begin */
207 0x8c, 768, /* Horizontal length */
208 0x8d, 784, /* Number of pixels
209 * Must be >= Horizontal begin + Horizontal length */
210 0x8f, 0xc00, /* Disable window 2 */
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700211 0xf0, 0x77, /* 13.5 MHz transport, Forced
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212 * mode, latch windows */
213 0xf2, 0x3d1, /* PAL B,G,H,I, composite input */
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700214 0xe7, 0x241, /* PAL/SECAM set to 288 lines */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215};
216
217static const unsigned short init_secam[] = {
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700218 0x88, 23, /* Window 1 vertical begin */
219 0x89, 288, /* Vertical lines in (16 lines
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220 * skipped by the VFE) */
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700221 0x8a, 288, /* Vertical lines out (16 lines
Linus Torvalds1da177e2005-04-16 15:20:36 -0700222 * skipped by the VFE) */
223 0x8b, 16, /* Horizontal begin */
224 0x8c, 768, /* Horizontal length */
225 0x8d, 784, /* Number of pixels
226 * Must be >= Horizontal begin + Horizontal length */
227 0x8f, 0xc00, /* Disable window 2 */
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700228 0xf0, 0x77, /* 13.5 MHz transport, Forced
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229 * mode, latch windows */
230 0xf2, 0x3d5, /* SECAM, composite input */
Ronald S. Bultje9b3acc22005-10-16 20:29:24 -0700231 0xe7, 0x241, /* PAL/SECAM set to 288 lines */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232};
233
234static const unsigned char init_common[] = {
235 0xf2, 0x00, /* Disable all outputs */
236 0x33, 0x0d, /* Luma : VIN2, Chroma : CIN
237 * (clamp off) */
238 0xd8, 0xa8, /* HREF/VREF active high, VREF
239 * pulse = 2, Odd/Even flag */
240 0x20, 0x03, /* IF compensation 0dB/oct */
241 0xe0, 0xff, /* Open up all comparators */
242 0xe1, 0x00,
243 0xe2, 0x7f,
244 0xe3, 0x80,
245 0xe4, 0x7f,
246 0xe5, 0x80,
247 0xe6, 0x00, /* Brightness set to 0 */
248 0xe7, 0xe0, /* Contrast to 1.0, noise shaping
249 * 10 to 8 2-bit error diffusion */
250 0xe8, 0xf8, /* YUV422, CbCr binary offset,
251 * ... (p.32) */
252 0xea, 0x18, /* LLC2 connected, output FIFO
253 * reset with VACTintern */
254 0xf0, 0x8a, /* Half full level to 10, bus
255 * shuffler [7:0, 23:16, 15:8] */
256 0xf1, 0x18, /* Single clock, sync mode, no
257 * FE delay, no HLEN counter */
258 0xf8, 0x12, /* Port A, PIXCLK, HF# & FE#
259 * strength to 2 */
260 0xf9, 0x24, /* Port B, HREF, VREF, PREF &
261 * ALPHA strength to 4 */
262};
263
264static const unsigned short init_fp[] = {
265 0x59, 0,
266 0xa0, 2070, /* ACC reference */
267 0xa3, 0,
268 0xa4, 0,
269 0xa8, 30,
270 0xb2, 768,
271 0xbe, 27,
272 0x58, 0,
273 0x26, 0,
274 0x4b, 0x298, /* PLL gain */
275};
276
Linus Torvalds1da177e2005-04-16 15:20:36 -0700277
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300278static int vpx3220_init(struct v4l2_subdev *sd, u32 val)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279{
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300280 struct vpx3220 *decoder = to_vpx3220(sd);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300282 vpx3220_write_block(sd, init_common, sizeof(init_common));
283 vpx3220_write_fp_block(sd, init_fp, sizeof(init_fp) >> 1);
284 if (decoder->norm & V4L2_STD_NTSC)
285 vpx3220_write_fp_block(sd, init_ntsc, sizeof(init_ntsc) >> 1);
286 else if (decoder->norm & V4L2_STD_PAL)
287 vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
288 else if (decoder->norm & V4L2_STD_SECAM)
289 vpx3220_write_fp_block(sd, init_secam, sizeof(init_secam) >> 1);
290 else
291 vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
292 return 0;
293}
294
295static int vpx3220_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd)
296{
297 int res = V4L2_IN_ST_NO_SIGNAL, status;
Hans Verkuil32cb3b02013-05-29 10:19:01 -0300298 v4l2_std_id std = pstd ? *pstd : V4L2_STD_ALL;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300299
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300300 status = vpx3220_fp_read(sd, 0x0f3);
301
302 v4l2_dbg(1, debug, sd, "status: 0x%04x\n", status);
303
304 if (status < 0)
305 return status;
306
307 if ((status & 0x20) == 0) {
308 res = 0;
309
310 switch (status & 0x18) {
311 case 0x00:
312 case 0x10:
313 case 0x14:
314 case 0x18:
Hans Verkuil32cb3b02013-05-29 10:19:01 -0300315 std &= V4L2_STD_PAL;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300316 break;
317
318 case 0x08:
Hans Verkuil32cb3b02013-05-29 10:19:01 -0300319 std &= V4L2_STD_SECAM;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300320 break;
321
322 case 0x04:
323 case 0x0c:
324 case 0x1c:
Hans Verkuil32cb3b02013-05-29 10:19:01 -0300325 std &= V4L2_STD_NTSC;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300326 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327 }
Hans Verkuil32cb3b02013-05-29 10:19:01 -0300328 } else {
329 std = V4L2_STD_UNKNOWN;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300330 }
331 if (pstd)
332 *pstd = std;
333 if (pstatus)
Hans Verkuilba088312011-08-25 10:52:53 -0300334 *pstatus = res;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300335 return 0;
336}
337
338static int vpx3220_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
339{
Hans Verkuilbccfa442009-03-30 06:55:27 -0300340 v4l2_dbg(1, debug, sd, "querystd\n");
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300341 return vpx3220_status(sd, NULL, std);
342}
343
344static int vpx3220_g_input_status(struct v4l2_subdev *sd, u32 *status)
345{
Hans Verkuilbccfa442009-03-30 06:55:27 -0300346 v4l2_dbg(1, debug, sd, "g_input_status\n");
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300347 return vpx3220_status(sd, status, NULL);
348}
349
350static int vpx3220_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
351{
352 struct vpx3220 *decoder = to_vpx3220(sd);
353 int temp_input;
354
355 /* Here we back up the input selection because it gets
356 overwritten when we fill the registers with the
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300357 chosen video norm */
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300358 temp_input = vpx3220_fp_read(sd, 0xf2);
359
Hans Verkuilbccfa442009-03-30 06:55:27 -0300360 v4l2_dbg(1, debug, sd, "s_std %llx\n", (unsigned long long)std);
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300361 if (std & V4L2_STD_NTSC) {
362 vpx3220_write_fp_block(sd, init_ntsc, sizeof(init_ntsc) >> 1);
363 v4l2_dbg(1, debug, sd, "norm switched to NTSC\n");
364 } else if (std & V4L2_STD_PAL) {
365 vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
366 v4l2_dbg(1, debug, sd, "norm switched to PAL\n");
367 } else if (std & V4L2_STD_SECAM) {
368 vpx3220_write_fp_block(sd, init_secam, sizeof(init_secam) >> 1);
369 v4l2_dbg(1, debug, sd, "norm switched to SECAM\n");
370 } else {
371 return -EINVAL;
Hans Verkuil23848b62008-09-07 08:01:39 -0300372 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300374 decoder->norm = std;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300376 /* And here we set the backed up video input again */
377 vpx3220_fp_write(sd, 0xf2, temp_input | 0x0010);
378 udelay(10);
379 return 0;
380}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700381
Hans Verkuil5325b422009-04-02 11:26:22 -0300382static int vpx3220_s_routing(struct v4l2_subdev *sd,
383 u32 input, u32 output, u32 config)
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300384{
385 int data;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386
Hans Verkuil5325b422009-04-02 11:26:22 -0300387 /* RJ: input = 0: ST8 (PCTV) input
388 input = 1: COMPOSITE input
389 input = 2: SVHS input */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390
Hans Verkuil5325b422009-04-02 11:26:22 -0300391 const int input_vals[3][2] = {
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300392 {0x0c, 0},
393 {0x0d, 0},
394 {0x0e, 1}
395 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700396
Roel Kluinf14a2972009-10-23 07:59:42 -0300397 if (input > 2)
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300398 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700399
Hans Verkuil5325b422009-04-02 11:26:22 -0300400 v4l2_dbg(1, debug, sd, "input switched to %s\n", inputs[input]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700401
Hans Verkuil5325b422009-04-02 11:26:22 -0300402 vpx3220_write(sd, 0x33, input_vals[input][0]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700403
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300404 data = vpx3220_fp_read(sd, 0xf2) & ~(0x0020);
405 if (data < 0)
406 return data;
407 /* 0x0010 is required to latch the setting */
408 vpx3220_fp_write(sd, 0xf2,
Hans Verkuil5325b422009-04-02 11:26:22 -0300409 data | (input_vals[input][1] << 5) | 0x0010);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300411 udelay(10);
412 return 0;
413}
414
415static int vpx3220_s_stream(struct v4l2_subdev *sd, int enable)
416{
Hans Verkuilbccfa442009-03-30 06:55:27 -0300417 v4l2_dbg(1, debug, sd, "s_stream %s\n", enable ? "on" : "off");
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300418
419 vpx3220_write(sd, 0xf2, (enable ? 0x1b : 0x00));
420 return 0;
421}
422
Hans Verkuil9a775322010-12-12 08:45:59 -0300423static int vpx3220_s_ctrl(struct v4l2_ctrl *ctrl)
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300424{
Hans Verkuil9a775322010-12-12 08:45:59 -0300425 struct v4l2_subdev *sd = to_sd(ctrl);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300427 switch (ctrl->id) {
428 case V4L2_CID_BRIGHTNESS:
Hans Verkuil9a775322010-12-12 08:45:59 -0300429 vpx3220_write(sd, 0xe6, ctrl->val);
430 return 0;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300431 case V4L2_CID_CONTRAST:
Hans Verkuil9a775322010-12-12 08:45:59 -0300432 /* Bit 7 and 8 is for noise shaping */
433 vpx3220_write(sd, 0xe7, ctrl->val + 192);
434 return 0;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300435 case V4L2_CID_SATURATION:
Hans Verkuil9a775322010-12-12 08:45:59 -0300436 vpx3220_fp_write(sd, 0xa0, ctrl->val);
437 return 0;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300438 case V4L2_CID_HUE:
Hans Verkuil9a775322010-12-12 08:45:59 -0300439 vpx3220_fp_write(sd, 0x1c, ctrl->val);
440 return 0;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300441 }
Hans Verkuil9a775322010-12-12 08:45:59 -0300442 return -EINVAL;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300443}
444
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300445/* ----------------------------------------------------------------------- */
446
Hans Verkuil9a775322010-12-12 08:45:59 -0300447static const struct v4l2_ctrl_ops vpx3220_ctrl_ops = {
448 .s_ctrl = vpx3220_s_ctrl,
449};
450
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300451static const struct v4l2_subdev_core_ops vpx3220_core_ops = {
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300452 .init = vpx3220_init,
Hans Verkuil9a775322010-12-12 08:45:59 -0300453 .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
454 .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
455 .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
456 .g_ctrl = v4l2_subdev_g_ctrl,
457 .s_ctrl = v4l2_subdev_s_ctrl,
458 .queryctrl = v4l2_subdev_queryctrl,
459 .querymenu = v4l2_subdev_querymenu,
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300460 .s_std = vpx3220_s_std,
461};
462
463static const struct v4l2_subdev_video_ops vpx3220_video_ops = {
464 .s_routing = vpx3220_s_routing,
465 .s_stream = vpx3220_s_stream,
466 .querystd = vpx3220_querystd,
467 .g_input_status = vpx3220_g_input_status,
468};
469
470static const struct v4l2_subdev_ops vpx3220_ops = {
471 .core = &vpx3220_core_ops,
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300472 .video = &vpx3220_video_ops,
473};
474
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475/* -----------------------------------------------------------------------
Joe Perchesc84e6032008-02-03 17:18:59 +0200476 * Client management code
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477 */
478
Hans Verkuil23848b62008-09-07 08:01:39 -0300479static int vpx3220_probe(struct i2c_client *client,
480 const struct i2c_device_id *id)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700481{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482 struct vpx3220 *decoder;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300483 struct v4l2_subdev *sd;
Hans Verkuil23848b62008-09-07 08:01:39 -0300484 const char *name = NULL;
485 u8 ver;
486 u16 pn;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487
488 /* Check if the adapter supports the needed features */
Hans Verkuil23848b62008-09-07 08:01:39 -0300489 if (!i2c_check_functionality(client->adapter,
490 I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
491 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700492
Laurent Pinchartc02b2112013-05-02 08:29:43 -0300493 decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
Hans Verkuil23848b62008-09-07 08:01:39 -0300494 if (decoder == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700495 return -ENOMEM;
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300496 sd = &decoder->sd;
497 v4l2_i2c_subdev_init(sd, client, &vpx3220_ops);
Hans Verkuil107063c2009-02-18 17:26:06 -0300498 decoder->norm = V4L2_STD_PAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499 decoder->input = 0;
500 decoder->enable = 1;
Hans Verkuil9a775322010-12-12 08:45:59 -0300501 v4l2_ctrl_handler_init(&decoder->hdl, 4);
502 v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
503 V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
504 v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
505 V4L2_CID_CONTRAST, 0, 63, 1, 32);
506 v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
507 V4L2_CID_SATURATION, 0, 4095, 1, 2048);
508 v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
509 V4L2_CID_HUE, -512, 511, 1, 0);
510 sd->ctrl_handler = &decoder->hdl;
511 if (decoder->hdl.error) {
512 int err = decoder->hdl.error;
513
514 v4l2_ctrl_handler_free(&decoder->hdl);
Hans Verkuil9a775322010-12-12 08:45:59 -0300515 return err;
516 }
517 v4l2_ctrl_handler_setup(&decoder->hdl);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518
Hans Verkuil23848b62008-09-07 08:01:39 -0300519 ver = i2c_smbus_read_byte_data(client, 0x00);
520 pn = (i2c_smbus_read_byte_data(client, 0x02) << 8) +
521 i2c_smbus_read_byte_data(client, 0x01);
522 if (ver == 0xec) {
523 switch (pn) {
524 case 0x4680:
525 name = "vpx3220a";
526 break;
527 case 0x4260:
528 name = "vpx3216b";
529 break;
530 case 0x4280:
531 name = "vpx3214c";
532 break;
533 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534 }
Hans Verkuil23848b62008-09-07 08:01:39 -0300535 if (name)
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300536 v4l2_info(sd, "%s found @ 0x%x (%s)\n", name,
Hans Verkuil23848b62008-09-07 08:01:39 -0300537 client->addr << 1, client->adapter->name);
538 else
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300539 v4l2_info(sd, "chip (%02x:%04x) found @ 0x%x (%s)\n",
Hans Verkuil23848b62008-09-07 08:01:39 -0300540 ver, pn, client->addr << 1, client->adapter->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300542 vpx3220_write_block(sd, init_common, sizeof(init_common));
543 vpx3220_write_fp_block(sd, init_fp, sizeof(init_fp) >> 1);
544 /* Default to PAL */
545 vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700546 return 0;
547}
548
Hans Verkuil23848b62008-09-07 08:01:39 -0300549static int vpx3220_remove(struct i2c_client *client)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700550{
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300551 struct v4l2_subdev *sd = i2c_get_clientdata(client);
Hans Verkuil9a775322010-12-12 08:45:59 -0300552 struct vpx3220 *decoder = to_vpx3220(sd);
Hans Verkuil7e5eaad2009-02-19 14:36:53 -0300553
554 v4l2_device_unregister_subdev(sd);
Hans Verkuil9a775322010-12-12 08:45:59 -0300555 v4l2_ctrl_handler_free(&decoder->hdl);
Laurent Pinchartc02b2112013-05-02 08:29:43 -0300556
Hans Verkuil23848b62008-09-07 08:01:39 -0300557 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558}
559
Hans Verkuil23848b62008-09-07 08:01:39 -0300560static const struct i2c_device_id vpx3220_id[] = {
561 { "vpx3220a", 0 },
562 { "vpx3216b", 0 },
563 { "vpx3214c", 0 },
564 { }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700565};
Hans Verkuil23848b62008-09-07 08:01:39 -0300566MODULE_DEVICE_TABLE(i2c, vpx3220_id);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700567
Hans Verkuilc2d999f2010-09-15 15:44:11 -0300568static struct i2c_driver vpx3220_driver = {
569 .driver = {
570 .owner = THIS_MODULE,
571 .name = "vpx3220",
572 },
573 .probe = vpx3220_probe,
574 .remove = vpx3220_remove,
575 .id_table = vpx3220_id,
Hans Verkuil23848b62008-09-07 08:01:39 -0300576};
Hans Verkuilc2d999f2010-09-15 15:44:11 -0300577
Axel Linc6e8d862012-02-12 06:56:32 -0300578module_i2c_driver(vpx3220_driver);