Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
[linux-2.6] / drivers / media / video / tvp5150.c
1 /*
2  * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver
3  *
4  * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org)
5  * This code is placed under the terms of the GNU General Public License v2
6  */
7
8 #include <linux/i2c.h>
9 #include <linux/videodev.h>
10 #include <linux/delay.h>
11 #include <linux/video_decoder.h>
12 #include <media/v4l2-common.h>
13 #include <media/tvp5150.h>
14
15 #include "tvp5150_reg.h"
16
17 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
18 MODULE_AUTHOR("Mauro Carvalho Chehab");
19 MODULE_LICENSE("GPL");
20
21 /* standard i2c insmod options */
22 static unsigned short normal_i2c[] = {
23         0xb8 >> 1,
24         0xba >> 1,
25         I2C_CLIENT_END
26 };
27
28 I2C_CLIENT_INSMOD;
29
30 static int debug = 0;
31 module_param(debug, int, 0);
32 MODULE_PARM_DESC(debug, "Debug level (0-1)");
33
34 #define tvp5150_err(fmt, arg...) do { \
35         printk(KERN_ERR "%s %d-%04x: " fmt, c->driver->driver.name, \
36                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
37 #define tvp5150_info(fmt, arg...) do { \
38         printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->driver.name, \
39                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
40 #define tvp5150_dbg(num, fmt, arg...) \
41         do { \
42                 if (debug >= num) \
43                         printk(KERN_DEBUG "%s debug %d-%04x: " fmt,\
44                                 c->driver->driver.name, \
45                                 i2c_adapter_id(c->adapter), \
46                                 c->addr , ## arg); } while (0)
47
48 /* supported controls */
49 static struct v4l2_queryctrl tvp5150_qctrl[] = {
50         {
51                 .id = V4L2_CID_BRIGHTNESS,
52                 .type = V4L2_CTRL_TYPE_INTEGER,
53                 .name = "Brightness",
54                 .minimum = 0,
55                 .maximum = 255,
56                 .step = 1,
57                 .default_value = 128,
58                 .flags = 0,
59         }, {
60                 .id = V4L2_CID_CONTRAST,
61                 .type = V4L2_CTRL_TYPE_INTEGER,
62                 .name = "Contrast",
63                 .minimum = 0,
64                 .maximum = 255,
65                 .step = 0x1,
66                 .default_value = 128,
67                 .flags = 0,
68         }, {
69                  .id = V4L2_CID_SATURATION,
70                  .type = V4L2_CTRL_TYPE_INTEGER,
71                  .name = "Saturation",
72                  .minimum = 0,
73                  .maximum = 255,
74                  .step = 0x1,
75                  .default_value = 128,
76                  .flags = 0,
77         }, {
78                 .id = V4L2_CID_HUE,
79                 .type = V4L2_CTRL_TYPE_INTEGER,
80                 .name = "Hue",
81                 .minimum = -128,
82                 .maximum = 127,
83                 .step = 0x1,
84                 .default_value = 0,
85                 .flags = 0,
86         }
87 };
88
89 struct tvp5150 {
90         struct i2c_client *client;
91
92         v4l2_std_id norm;       /* Current set standard */
93         struct v4l2_routing route;
94         int enable;
95         int bright;
96         int contrast;
97         int hue;
98         int sat;
99 };
100
101 static int tvp5150_read(struct i2c_client *c, unsigned char addr)
102 {
103         unsigned char buffer[1];
104         int rc;
105
106         buffer[0] = addr;
107         if (1 != (rc = i2c_master_send(c, buffer, 1)))
108                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
109
110         msleep(10);
111
112         if (1 != (rc = i2c_master_recv(c, buffer, 1)))
113                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
114
115         tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
116
117         return (buffer[0]);
118 }
119
120 static inline void tvp5150_write(struct i2c_client *c, unsigned char addr,
121                                  unsigned char value)
122 {
123         unsigned char buffer[2];
124         int rc;
125
126         buffer[0] = addr;
127         buffer[1] = value;
128         tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
129         if (2 != (rc = i2c_master_send(c, buffer, 2)))
130                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);
131 }
132
133 static void dump_reg_range(struct i2c_client *c, char *s, u8 init, const u8 end,int max_line)
134 {
135         int i=0;
136
137         while (init!=(u8)(end+1)) {
138                 if ((i%max_line) == 0) {
139                         if (i>0)
140                                 printk("\n");
141                         printk("tvp5150: %s reg 0x%02x = ",s,init);
142                 }
143                 printk("%02x ",tvp5150_read(c, init));
144
145                 init++;
146                 i++;
147         }
148         printk("\n");
149 }
150
151 static void dump_reg(struct i2c_client *c)
152 {
153         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
154                                         tvp5150_read(c, TVP5150_VD_IN_SRC_SEL_1));
155         printk("tvp5150: Analog channel controls = 0x%02x\n",
156                                         tvp5150_read(c, TVP5150_ANAL_CHL_CTL));
157         printk("tvp5150: Operation mode controls = 0x%02x\n",
158                                         tvp5150_read(c, TVP5150_OP_MODE_CTL));
159         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
160                                         tvp5150_read(c, TVP5150_MISC_CTL));
161         printk("tvp5150: Autoswitch mask= 0x%02x\n",
162                                         tvp5150_read(c, TVP5150_AUTOSW_MSK));
163         printk("tvp5150: Color killer threshold control = 0x%02x\n",
164                                         tvp5150_read(c, TVP5150_COLOR_KIL_THSH_CTL));
165         printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
166                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_1),
167                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_2),
168                                         tvp5150_read(c, TVP5150_LUMA_PROC_CTL_3));
169         printk("tvp5150: Brightness control = 0x%02x\n",
170                                         tvp5150_read(c, TVP5150_BRIGHT_CTL));
171         printk("tvp5150: Color saturation control = 0x%02x\n",
172                                         tvp5150_read(c, TVP5150_SATURATION_CTL));
173         printk("tvp5150: Hue control = 0x%02x\n",
174                                         tvp5150_read(c, TVP5150_HUE_CTL));
175         printk("tvp5150: Contrast control = 0x%02x\n",
176                                         tvp5150_read(c, TVP5150_CONTRAST_CTL));
177         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
178                                         tvp5150_read(c, TVP5150_DATA_RATE_SEL));
179         printk("tvp5150: Configuration shared pins = 0x%02x\n",
180                                         tvp5150_read(c, TVP5150_CONF_SHARED_PIN));
181         printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
182                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_MSB),
183                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_LSB));
184         printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
185                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_MSB),
186                                         tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_LSB));
187         printk("tvp5150: Genlock/RTC = 0x%02x\n",
188                                         tvp5150_read(c, TVP5150_GENLOCK));
189         printk("tvp5150: Horizontal sync start = 0x%02x\n",
190                                         tvp5150_read(c, TVP5150_HORIZ_SYNC_START));
191         printk("tvp5150: Vertical blanking start = 0x%02x\n",
192                                         tvp5150_read(c, TVP5150_VERT_BLANKING_START));
193         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
194                                         tvp5150_read(c, TVP5150_VERT_BLANKING_STOP));
195         printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
196                                         tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_1),
197                                         tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_2));
198         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
199                                         tvp5150_read(c, TVP5150_INT_RESET_REG_B));
200         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
201                                         tvp5150_read(c, TVP5150_INT_ENABLE_REG_B));
202         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
203                                         tvp5150_read(c, TVP5150_INTT_CONFIG_REG_B));
204         printk("tvp5150: Video standard = 0x%02x\n",
205                                         tvp5150_read(c, TVP5150_VIDEO_STD));
206         printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
207                                         tvp5150_read(c, TVP5150_CB_GAIN_FACT),
208                                         tvp5150_read(c, TVP5150_CR_GAIN_FACTOR));
209         printk("tvp5150: Macrovision on counter = 0x%02x\n",
210                                         tvp5150_read(c, TVP5150_MACROVISION_ON_CTR));
211         printk("tvp5150: Macrovision off counter = 0x%02x\n",
212                                         tvp5150_read(c, TVP5150_MACROVISION_OFF_CTR));
213         printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
214                                         (tvp5150_read(c, TVP5150_REV_SELECT)&1)?3:4);
215         printk("tvp5150: Device ID = %02x%02x\n",
216                                         tvp5150_read(c, TVP5150_MSB_DEV_ID),
217                                         tvp5150_read(c, TVP5150_LSB_DEV_ID));
218         printk("tvp5150: ROM version = (hex) %02x.%02x\n",
219                                         tvp5150_read(c, TVP5150_ROM_MAJOR_VER),
220                                         tvp5150_read(c, TVP5150_ROM_MINOR_VER));
221         printk("tvp5150: Vertical line count = 0x%02x%02x\n",
222                                         tvp5150_read(c, TVP5150_VERT_LN_COUNT_MSB),
223                                         tvp5150_read(c, TVP5150_VERT_LN_COUNT_LSB));
224         printk("tvp5150: Interrupt status register B = 0x%02x\n",
225                                         tvp5150_read(c, TVP5150_INT_STATUS_REG_B));
226         printk("tvp5150: Interrupt active register B = 0x%02x\n",
227                                         tvp5150_read(c, TVP5150_INT_ACTIVE_REG_B));
228         printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
229                                         tvp5150_read(c, TVP5150_STATUS_REG_1),
230                                         tvp5150_read(c, TVP5150_STATUS_REG_2),
231                                         tvp5150_read(c, TVP5150_STATUS_REG_3),
232                                         tvp5150_read(c, TVP5150_STATUS_REG_4),
233                                         tvp5150_read(c, TVP5150_STATUS_REG_5));
234
235         dump_reg_range(c,"Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
236                                                 TVP5150_TELETEXT_FIL1_END,8);
237         dump_reg_range(c,"Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
238                                                 TVP5150_TELETEXT_FIL2_END,8);
239
240         printk("tvp5150: Teletext filter enable = 0x%02x\n",
241                                         tvp5150_read(c, TVP5150_TELETEXT_FIL_ENA));
242         printk("tvp5150: Interrupt status register A = 0x%02x\n",
243                                         tvp5150_read(c, TVP5150_INT_STATUS_REG_A));
244         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
245                                         tvp5150_read(c, TVP5150_INT_ENABLE_REG_A));
246         printk("tvp5150: Interrupt configuration = 0x%02x\n",
247                                         tvp5150_read(c, TVP5150_INT_CONF));
248         printk("tvp5150: VDP status register = 0x%02x\n",
249                                         tvp5150_read(c, TVP5150_VDP_STATUS_REG));
250         printk("tvp5150: FIFO word count = 0x%02x\n",
251                                         tvp5150_read(c, TVP5150_FIFO_WORD_COUNT));
252         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
253                                         tvp5150_read(c, TVP5150_FIFO_INT_THRESHOLD));
254         printk("tvp5150: FIFO reset = 0x%02x\n",
255                                         tvp5150_read(c, TVP5150_FIFO_RESET));
256         printk("tvp5150: Line number interrupt = 0x%02x\n",
257                                         tvp5150_read(c, TVP5150_LINE_NUMBER_INT));
258         printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
259                                         tvp5150_read(c, TVP5150_PIX_ALIGN_REG_HIGH),
260                                         tvp5150_read(c, TVP5150_PIX_ALIGN_REG_LOW));
261         printk("tvp5150: FIFO output control = 0x%02x\n",
262                                         tvp5150_read(c, TVP5150_FIFO_OUT_CTRL));
263         printk("tvp5150: Full field enable = 0x%02x\n",
264                                         tvp5150_read(c, TVP5150_FULL_FIELD_ENA));
265         printk("tvp5150: Full field mode register = 0x%02x\n",
266                                         tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG));
267
268         dump_reg_range(c,"CC   data",   TVP5150_CC_DATA_INI,
269                                         TVP5150_CC_DATA_END,8);
270
271         dump_reg_range(c,"WSS  data",   TVP5150_WSS_DATA_INI,
272                                         TVP5150_WSS_DATA_END,8);
273
274         dump_reg_range(c,"VPS  data",   TVP5150_VPS_DATA_INI,
275                                         TVP5150_VPS_DATA_END,8);
276
277         dump_reg_range(c,"VITC data",   TVP5150_VITC_DATA_INI,
278                                         TVP5150_VITC_DATA_END,10);
279
280         dump_reg_range(c,"Line mode",   TVP5150_LINE_MODE_INI,
281                                         TVP5150_LINE_MODE_END,8);
282 }
283
284 /****************************************************************************
285                         Basic functions
286  ****************************************************************************/
287
288 static inline void tvp5150_selmux(struct i2c_client *c)
289 {
290         int opmode=0;
291         struct tvp5150 *decoder = i2c_get_clientdata(c);
292         int input = 0;
293         unsigned char val;
294
295         if ((decoder->route.output & TVP5150_BLACK_SCREEN) || !decoder->enable)
296                 input = 8;
297
298         switch (decoder->route.input) {
299         case TVP5150_COMPOSITE1:
300                 input |= 2;
301                 /* fall through */
302         case TVP5150_COMPOSITE0:
303                 opmode=0x30;            /* TV Mode */
304                 break;
305         case TVP5150_SVIDEO:
306         default:
307                 input |= 1;
308                 opmode=0;               /* Auto Mode */
309                 break;
310         }
311
312         tvp5150_dbg( 1, "Selecting video route: route input=%i, output=%i "
313                         "=> tvp5150 input=%i, opmode=%i\n",
314                         decoder->route.input,decoder->route.output,
315                         input, opmode );
316
317         tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
318         tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
319
320         /* Svideo should enable YCrCb output and disable GPCL output
321          * For Composite and TV, it should be the reverse
322          */
323         val = tvp5150_read(c, TVP5150_MISC_CTL);
324         if (decoder->route.input == TVP5150_SVIDEO)
325                 val = (val & ~0x40) | 0x10;
326         else
327                 val = (val & ~0x10) | 0x40;
328         tvp5150_write(c, TVP5150_MISC_CTL, val);
329 };
330
331 struct i2c_reg_value {
332         unsigned char reg;
333         unsigned char value;
334 };
335
336 /* Default values as sugested at TVP5150AM1 datasheet */
337 static const struct i2c_reg_value tvp5150_init_default[] = {
338         { /* 0x00 */
339                 TVP5150_VD_IN_SRC_SEL_1,0x00
340         },
341         { /* 0x01 */
342                 TVP5150_ANAL_CHL_CTL,0x15
343         },
344         { /* 0x02 */
345                 TVP5150_OP_MODE_CTL,0x00
346         },
347         { /* 0x03 */
348                 TVP5150_MISC_CTL,0x01
349         },
350         { /* 0x06 */
351                 TVP5150_COLOR_KIL_THSH_CTL,0x10
352         },
353         { /* 0x07 */
354                 TVP5150_LUMA_PROC_CTL_1,0x60
355         },
356         { /* 0x08 */
357                 TVP5150_LUMA_PROC_CTL_2,0x00
358         },
359         { /* 0x09 */
360                 TVP5150_BRIGHT_CTL,0x80
361         },
362         { /* 0x0a */
363                 TVP5150_SATURATION_CTL,0x80
364         },
365         { /* 0x0b */
366                 TVP5150_HUE_CTL,0x00
367         },
368         { /* 0x0c */
369                 TVP5150_CONTRAST_CTL,0x80
370         },
371         { /* 0x0d */
372                 TVP5150_DATA_RATE_SEL,0x47
373         },
374         { /* 0x0e */
375                 TVP5150_LUMA_PROC_CTL_3,0x00
376         },
377         { /* 0x0f */
378                 TVP5150_CONF_SHARED_PIN,0x08
379         },
380         { /* 0x11 */
381                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
382         },
383         { /* 0x12 */
384                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
385         },
386         { /* 0x13 */
387                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
388         },
389         { /* 0x14 */
390                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
391         },
392         { /* 0x15 */
393                 TVP5150_GENLOCK,0x01
394         },
395         { /* 0x16 */
396                 TVP5150_HORIZ_SYNC_START,0x80
397         },
398         { /* 0x18 */
399                 TVP5150_VERT_BLANKING_START,0x00
400         },
401         { /* 0x19 */
402                 TVP5150_VERT_BLANKING_STOP,0x00
403         },
404         { /* 0x1a */
405                 TVP5150_CHROMA_PROC_CTL_1,0x0c
406         },
407         { /* 0x1b */
408                 TVP5150_CHROMA_PROC_CTL_2,0x14
409         },
410         { /* 0x1c */
411                 TVP5150_INT_RESET_REG_B,0x00
412         },
413         { /* 0x1d */
414                 TVP5150_INT_ENABLE_REG_B,0x00
415         },
416         { /* 0x1e */
417                 TVP5150_INTT_CONFIG_REG_B,0x00
418         },
419         { /* 0x28 */
420                 TVP5150_VIDEO_STD,0x00
421         },
422         { /* 0x2e */
423                 TVP5150_MACROVISION_ON_CTR,0x0f
424         },
425         { /* 0x2f */
426                 TVP5150_MACROVISION_OFF_CTR,0x01
427         },
428         { /* 0xbb */
429                 TVP5150_TELETEXT_FIL_ENA,0x00
430         },
431         { /* 0xc0 */
432                 TVP5150_INT_STATUS_REG_A,0x00
433         },
434         { /* 0xc1 */
435                 TVP5150_INT_ENABLE_REG_A,0x00
436         },
437         { /* 0xc2 */
438                 TVP5150_INT_CONF,0x04
439         },
440         { /* 0xc8 */
441                 TVP5150_FIFO_INT_THRESHOLD,0x80
442         },
443         { /* 0xc9 */
444                 TVP5150_FIFO_RESET,0x00
445         },
446         { /* 0xca */
447                 TVP5150_LINE_NUMBER_INT,0x00
448         },
449         { /* 0xcb */
450                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
451         },
452         { /* 0xcc */
453                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
454         },
455         { /* 0xcd */
456                 TVP5150_FIFO_OUT_CTRL,0x01
457         },
458         { /* 0xcf */
459                 TVP5150_FULL_FIELD_ENA,0x00
460         },
461         { /* 0xd0 */
462                 TVP5150_LINE_MODE_INI,0x00
463         },
464         { /* 0xfc */
465                 TVP5150_FULL_FIELD_MODE_REG,0x7f
466         },
467         { /* end of data */
468                 0xff,0xff
469         }
470 };
471
472 /* Default values as sugested at TVP5150AM1 datasheet */
473 static const struct i2c_reg_value tvp5150_init_enable[] = {
474         {
475                 TVP5150_CONF_SHARED_PIN, 2
476         },{     /* Automatic offset and AGC enabled */
477                 TVP5150_ANAL_CHL_CTL, 0x15
478         },{     /* Activate YCrCb output 0x9 or 0xd ? */
479                 TVP5150_MISC_CTL, 0x6f
480         },{     /* Activates video std autodetection for all standards */
481                 TVP5150_AUTOSW_MSK, 0x0
482         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
483                 TVP5150_DATA_RATE_SEL, 0x47
484         },{
485                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
486         },{
487                 TVP5150_CHROMA_PROC_CTL_2, 0x54
488         },{     /* Non documented, but initialized on WinTV USB2 */
489                 0x27, 0x20
490         },{
491                 0xff,0xff
492         }
493 };
494
495 struct tvp5150_vbi_type {
496         unsigned int vbi_type;
497         unsigned int ini_line;
498         unsigned int end_line;
499         unsigned int by_field :1;
500 };
501
502 struct i2c_vbi_ram_value {
503         u16 reg;
504         struct tvp5150_vbi_type type;
505         unsigned char values[16];
506 };
507
508 /* This struct have the values for each supported VBI Standard
509  * by
510  tvp5150_vbi_types should follow the same order as vbi_ram_default
511  * value 0 means rom position 0x10, value 1 means rom position 0x30
512  * and so on. There are 16 possible locations from 0 to 15.
513  */
514
515 static struct i2c_vbi_ram_value vbi_ram_default[] =
516 {
517         /* FIXME: Current api doesn't handle all VBI types, those not
518            yet supported are placed under #if 0 */
519 #if 0
520         {0x010, /* Teletext, SECAM, WST System A */
521                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
522                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
523                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
524         },
525 #endif
526         {0x030, /* Teletext, PAL, WST System B */
527                 {V4L2_SLICED_TELETEXT_B,6,22,1},
528                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
529                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
530         },
531 #if 0
532         {0x050, /* Teletext, PAL, WST System C */
533                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
534                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
535                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
536         },
537         {0x070, /* Teletext, NTSC, WST System B */
538                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
539                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
540                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
541         },
542         {0x090, /* Tetetext, NTSC NABTS System C */
543                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
544                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
545                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
546         },
547         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
548                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
549                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
550                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
551         },
552         {0x0d0, /* Closed Caption, PAL/SECAM */
553                 {V4L2_SLICED_CAPTION_625,22,22,1},
554                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
555                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
556         },
557 #endif
558         {0x0f0, /* Closed Caption, NTSC */
559                 {V4L2_SLICED_CAPTION_525,21,21,1},
560                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
561                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
562         },
563         {0x110, /* Wide Screen Signal, PAL/SECAM */
564                 {V4L2_SLICED_WSS_625,23,23,1},
565                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
566                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
567         },
568 #if 0
569         {0x130, /* Wide Screen Signal, NTSC C */
570                 {V4L2_SLICED_WSS_525,20,20,1},
571                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
572                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
573         },
574         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
575                 {V4l2_SLICED_VITC_625,6,22,0},
576                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
577                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
578         },
579         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
580                 {V4l2_SLICED_VITC_525,10,20,0},
581                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
582                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
583         },
584 #endif
585         {0x190, /* Video Program System (VPS), PAL */
586                 {V4L2_SLICED_VPS,16,16,0},
587                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
588                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
589         },
590         /* 0x1d0 User programmable */
591
592         /* End of struct */
593         { (u16)-1 }
594 };
595
596 static int tvp5150_write_inittab(struct i2c_client *c,
597                                 const struct i2c_reg_value *regs)
598 {
599         while (regs->reg != 0xff) {
600                 tvp5150_write(c, regs->reg, regs->value);
601                 regs++;
602         }
603         return 0;
604 }
605
606 static int tvp5150_vdp_init(struct i2c_client *c,
607                                 const struct i2c_vbi_ram_value *regs)
608 {
609         unsigned int i;
610
611         /* Disable Full Field */
612         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
613
614         /* Before programming, Line mode should be at 0xff */
615         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
616                 tvp5150_write(c, i, 0xff);
617
618         /* Load Ram Table */
619         while (regs->reg != (u16)-1 ) {
620                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
621                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
622
623                 for (i=0;i<16;i++)
624                         tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
625
626                 regs++;
627         }
628         return 0;
629 }
630
631 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
632 static void tvp5150_vbi_get_cap(const struct i2c_vbi_ram_value *regs,
633                                 struct v4l2_sliced_vbi_cap *cap)
634 {
635         int line;
636
637         memset(cap, 0, sizeof *cap);
638
639         while (regs->reg != (u16)-1 ) {
640                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
641                         cap->service_lines[0][line] |= regs->type.vbi_type;
642                 }
643                 cap->service_set |= regs->type.vbi_type;
644
645                 regs++;
646         }
647 }
648
649 /* Set vbi processing
650  * type - one of tvp5150_vbi_types
651  * line - line to gather data
652  * fields: bit 0 field1, bit 1, field2
653  * flags (default=0xf0) is a bitmask, were set means:
654  *      bit 7: enable filtering null bytes on CC
655  *      bit 6: send data also to FIFO
656  *      bit 5: don't allow data with errors on FIFO
657  *      bit 4: enable ECC when possible
658  * pix_align = pix alignment:
659  *      LSB = field1
660  *      MSB = field2
661  */
662 static int tvp5150_set_vbi(struct i2c_client *c,
663                         const struct i2c_vbi_ram_value *regs,
664                         unsigned int type,u8 flags, int line,
665                         const int fields)
666 {
667         struct tvp5150 *decoder = i2c_get_clientdata(c);
668         v4l2_std_id std=decoder->norm;
669         u8 reg;
670         int pos=0;
671
672         if (std == V4L2_STD_ALL) {
673                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
674                 return 0;
675         } else if (std & V4L2_STD_625_50) {
676                 /* Don't follow NTSC Line number convension */
677                 line += 3;
678         }
679
680         if (line<6||line>27)
681                 return 0;
682
683         while (regs->reg != (u16)-1 ) {
684                 if ((type & regs->type.vbi_type) &&
685                     (line>=regs->type.ini_line) &&
686                     (line<=regs->type.end_line)) {
687                         type=regs->type.vbi_type;
688                         break;
689                 }
690
691                 regs++;
692                 pos++;
693         }
694         if (regs->reg == (u16)-1)
695                 return 0;
696
697         type=pos | (flags & 0xf0);
698         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
699
700         if (fields&1) {
701                 tvp5150_write(c, reg, type);
702         }
703
704         if (fields&2) {
705                 tvp5150_write(c, reg+1, type);
706         }
707
708         return type;
709 }
710
711 static int tvp5150_get_vbi(struct i2c_client *c,
712                         const struct i2c_vbi_ram_value *regs, int line)
713 {
714         struct tvp5150 *decoder = i2c_get_clientdata(c);
715         v4l2_std_id std=decoder->norm;
716         u8 reg;
717         int pos, type=0;
718
719         if (std == V4L2_STD_ALL) {
720                 tvp5150_err("VBI can't be configured without knowing number of lines\n");
721                 return 0;
722         } else if (std & V4L2_STD_625_50) {
723                 /* Don't follow NTSC Line number convension */
724                 line += 3;
725         }
726
727         if (line<6||line>27)
728                 return 0;
729
730         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
731
732         pos=tvp5150_read(c, reg)&0x0f;
733         if (pos<0x0f)
734                 type=regs[pos].type.vbi_type;
735
736         pos=tvp5150_read(c, reg+1)&0x0f;
737         if (pos<0x0f)
738                 type|=regs[pos].type.vbi_type;
739
740         return type;
741 }
742 static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
743 {
744         struct tvp5150 *decoder = i2c_get_clientdata(c);
745         int fmt=0;
746
747         decoder->norm=std;
748
749         /* First tests should be against specific std */
750
751         if (std == V4L2_STD_ALL) {
752                 fmt=0;  /* Autodetect mode */
753         } else if (std & V4L2_STD_NTSC_443) {
754                 fmt=0xa;
755         } else if (std & V4L2_STD_PAL_M) {
756                 fmt=0x6;
757         } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
758                 fmt=0x8;
759         } else {
760                 /* Then, test against generic ones */
761                 if (std & V4L2_STD_NTSC) {
762                         fmt=0x2;
763                 } else if (std & V4L2_STD_PAL) {
764                         fmt=0x4;
765                 } else if (std & V4L2_STD_SECAM) {
766                         fmt=0xc;
767                 }
768         }
769
770         tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
771         tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
772
773         return 0;
774 }
775
776 static inline void tvp5150_reset(struct i2c_client *c)
777 {
778         u8 msb_id, lsb_id, msb_rom, lsb_rom;
779         struct tvp5150 *decoder = i2c_get_clientdata(c);
780
781         msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
782         lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
783         msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
784         lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
785
786         if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
787                 tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
788
789                 /* ITU-T BT.656.4 timing */
790                 tvp5150_write(c,TVP5150_REV_SELECT,0);
791         } else {
792                 if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
793                         tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
794                 } else {
795                         tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
796                         tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
797                 }
798         }
799
800         /* Initializes TVP5150 to its default values */
801         tvp5150_write_inittab(c, tvp5150_init_default);
802
803         /* Initializes VDP registers */
804         tvp5150_vdp_init(c, vbi_ram_default);
805
806         /* Selects decoder input */
807         tvp5150_selmux(c);
808
809         /* Initializes TVP5150 to stream enabled values */
810         tvp5150_write_inittab(c, tvp5150_init_enable);
811
812         /* Initialize image preferences */
813         tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright);
814         tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast);
815         tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast);
816         tvp5150_write(c, TVP5150_HUE_CTL, decoder->hue);
817
818         tvp5150_set_std(c, decoder->norm);
819 };
820
821 static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
822 {
823 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
824
825         switch (ctrl->id) {
826         case V4L2_CID_BRIGHTNESS:
827                 ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
828                 return 0;
829         case V4L2_CID_CONTRAST:
830                 ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
831                 return 0;
832         case V4L2_CID_SATURATION:
833                 ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
834                 return 0;
835         case V4L2_CID_HUE:
836                 ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
837                 return 0;
838         }
839         return -EINVAL;
840 }
841
842 static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
843 {
844 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
845
846         switch (ctrl->id) {
847         case V4L2_CID_BRIGHTNESS:
848                 tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
849                 return 0;
850         case V4L2_CID_CONTRAST:
851                 tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
852                 return 0;
853         case V4L2_CID_SATURATION:
854                 tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
855                 return 0;
856         case V4L2_CID_HUE:
857                 tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
858                 return 0;
859         }
860         return -EINVAL;
861 }
862
863 /****************************************************************************
864                         I2C Command
865  ****************************************************************************/
866 static int tvp5150_command(struct i2c_client *c,
867                            unsigned int cmd, void *arg)
868 {
869         struct tvp5150 *decoder = i2c_get_clientdata(c);
870
871         switch (cmd) {
872
873         case 0:
874         case VIDIOC_INT_RESET:
875                 tvp5150_reset(c);
876                 break;
877         case VIDIOC_INT_G_VIDEO_ROUTING:
878         {
879                 struct v4l2_routing *route = arg;
880
881                 *route = decoder->route;
882                 break;
883         }
884         case VIDIOC_INT_S_VIDEO_ROUTING:
885         {
886                 struct v4l2_routing *route = arg;
887
888                 decoder->route = *route;
889                 tvp5150_selmux(c);
890                 break;
891         }
892         case VIDIOC_S_STD:
893                 if (decoder->norm == *(v4l2_std_id *)arg)
894                         break;
895                 return tvp5150_set_std(c, *(v4l2_std_id *)arg);
896         case VIDIOC_G_STD:
897                 *(v4l2_std_id *)arg = decoder->norm;
898                 break;
899
900         case VIDIOC_G_SLICED_VBI_CAP:
901         {
902                 struct v4l2_sliced_vbi_cap *cap = arg;
903                 tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n");
904
905                 tvp5150_vbi_get_cap(vbi_ram_default, cap);
906                 break;
907         }
908         case VIDIOC_S_FMT:
909         {
910                 struct v4l2_format *fmt;
911                 struct v4l2_sliced_vbi_format *svbi;
912                 int i;
913
914                 fmt = arg;
915                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
916                         return -EINVAL;
917                 svbi = &fmt->fmt.sliced;
918                 if (svbi->service_set != 0) {
919                         for (i = 0; i <= 23; i++) {
920                                 svbi->service_lines[1][i] = 0;
921
922                                 svbi->service_lines[0][i]=tvp5150_set_vbi(c,
923                                          vbi_ram_default,
924                                          svbi->service_lines[0][i],0xf0,i,3);
925                         }
926                         /* Enables FIFO */
927                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
928                 } else {
929                         /* Disables FIFO*/
930                         tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
931
932                         /* Disable Full Field */
933                         tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
934
935                         /* Disable Line modes */
936                         for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
937                                 tvp5150_write(c, i, 0xff);
938                 }
939                 break;
940         }
941         case VIDIOC_G_FMT:
942         {
943                 struct v4l2_format *fmt;
944                 struct v4l2_sliced_vbi_format *svbi;
945
946                 int i, mask=0;
947
948                 fmt = arg;
949                 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
950                         return -EINVAL;
951                 svbi = &fmt->fmt.sliced;
952                 memset(svbi, 0, sizeof(*svbi));
953
954                 for (i = 0; i <= 23; i++) {
955                         svbi->service_lines[0][i]=tvp5150_get_vbi(c,
956                                 vbi_ram_default,i);
957                         mask|=svbi->service_lines[0][i];
958                 }
959                 svbi->service_set=mask;
960                 break;
961         }
962
963 #ifdef CONFIG_VIDEO_ADV_DEBUG
964         case VIDIOC_DBG_G_REGISTER:
965         case VIDIOC_DBG_S_REGISTER:
966         {
967                 struct v4l2_register *reg = arg;
968
969                 if (!v4l2_chip_match_i2c_client(c, reg->match_type, reg->match_chip))
970                         return -EINVAL;
971                 if (!capable(CAP_SYS_ADMIN))
972                         return -EPERM;
973                 if (cmd == VIDIOC_DBG_G_REGISTER)
974                         reg->val = tvp5150_read(c, reg->reg & 0xff);
975                 else
976                         tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
977                 break;
978         }
979 #endif
980
981         case VIDIOC_LOG_STATUS:
982                 dump_reg(c);
983                 break;
984
985         case VIDIOC_G_TUNER:
986                 {
987                         struct v4l2_tuner *vt = arg;
988                         int status = tvp5150_read(c, 0x88);
989
990                         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
991                         break;
992                 }
993         case VIDIOC_QUERYCTRL:
994                 {
995                         struct v4l2_queryctrl *qc = arg;
996                         int i;
997
998                         tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
999
1000                         for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
1001                                 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
1002                                         memcpy(qc, &(tvp5150_qctrl[i]),
1003                                                sizeof(*qc));
1004                                         return 0;
1005                                 }
1006
1007                         return -EINVAL;
1008                 }
1009         case VIDIOC_G_CTRL:
1010                 {
1011                         struct v4l2_control *ctrl = arg;
1012                         tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
1013
1014                         return tvp5150_get_ctrl(c, ctrl);
1015                 }
1016         case VIDIOC_S_CTRL:
1017                 {
1018                         struct v4l2_control *ctrl = arg;
1019                         u8 i, n;
1020                         n = ARRAY_SIZE(tvp5150_qctrl);
1021                         for (i = 0; i < n; i++)
1022                                 if (ctrl->id == tvp5150_qctrl[i].id) {
1023                                         if (ctrl->value <
1024                                             tvp5150_qctrl[i].minimum
1025                                             || ctrl->value >
1026                                             tvp5150_qctrl[i].maximum)
1027                                                 return -ERANGE;
1028                                         tvp5150_dbg(1,
1029                                                 "VIDIOC_S_CTRL: id=%d, value=%d\n",
1030                                                 ctrl->id, ctrl->value);
1031                                         return tvp5150_set_ctrl(c, ctrl);
1032                                 }
1033                         return -EINVAL;
1034                 }
1035
1036         default:
1037                 return -EINVAL;
1038         }
1039
1040         return 0;
1041 }
1042
1043 /****************************************************************************
1044                         I2C Client & Driver
1045  ****************************************************************************/
1046 static struct i2c_driver driver;
1047
1048 static struct i2c_client client_template = {
1049         .name = "(unset)",
1050         .driver = &driver,
1051 };
1052
1053 static int tvp5150_detect_client(struct i2c_adapter *adapter,
1054                                  int address, int kind)
1055 {
1056         struct i2c_client *c;
1057         struct tvp5150 *core;
1058         int rv;
1059
1060         if (debug)
1061                 printk( KERN_INFO
1062                 "tvp5150.c: detecting tvp5150 client on address 0x%x\n",
1063                 address << 1);
1064
1065         client_template.adapter = adapter;
1066         client_template.addr = address;
1067
1068         /* Check if the adapter supports the needed features */
1069         if (!i2c_check_functionality
1070             (adapter,
1071              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1072                 return 0;
1073
1074         c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
1075         if (c == 0)
1076                 return -ENOMEM;
1077         memcpy(c, &client_template, sizeof(struct i2c_client));
1078
1079         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1080         if (core == 0) {
1081                 kfree(c);
1082                 return -ENOMEM;
1083         }
1084         i2c_set_clientdata(c, core);
1085
1086         rv = i2c_attach_client(c);
1087
1088         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1089         core->route.input = TVP5150_COMPOSITE1;
1090         core->enable = 1;
1091         core->bright = 128;
1092         core->contrast = 128;
1093         core->hue = 0;
1094         core->sat = 128;
1095
1096         if (rv) {
1097                 kfree(c);
1098                 kfree(core);
1099                 return rv;
1100         }
1101
1102         if (debug > 1)
1103                 dump_reg(c);
1104         return 0;
1105 }
1106
1107 static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
1108 {
1109         if (debug)
1110                 printk( KERN_INFO
1111                 "tvp5150.c: starting probe for adapter %s (0x%x)\n",
1112                 adapter->name, adapter->id);
1113         return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
1114 }
1115
1116 static int tvp5150_detach_client(struct i2c_client *c)
1117 {
1118         struct tvp5150 *decoder = i2c_get_clientdata(c);
1119         int err;
1120
1121         tvp5150_dbg(1,
1122                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1123                 c->addr << 1);
1124
1125         err = i2c_detach_client(c);
1126         if (err) {
1127                 return err;
1128         }
1129
1130         kfree(decoder);
1131         kfree(c);
1132
1133         return 0;
1134 }
1135
1136 /* ----------------------------------------------------------------------- */
1137
1138 static struct i2c_driver driver = {
1139         .driver = {
1140                 .name = "tvp5150",
1141         },
1142         .id = I2C_DRIVERID_TVP5150,
1143
1144         .attach_adapter = tvp5150_attach_adapter,
1145         .detach_client = tvp5150_detach_client,
1146
1147         .command = tvp5150_command,
1148 };
1149
1150 static int __init tvp5150_init(void)
1151 {
1152         return i2c_add_driver(&driver);
1153 }
1154
1155 static void __exit tvp5150_exit(void)
1156 {
1157         i2c_del_driver(&driver);
1158 }
1159
1160 module_init(tvp5150_init);
1161 module_exit(tvp5150_exit);