Merge branch 'tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox into...
[cascardo/linux.git] / drivers / media / i2c / 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/slab.h>
10 #include <linux/videodev2.h>
11 #include <linux/delay.h>
12 #include <linux/module.h>
13 #include <media/v4l2-device.h>
14 #include <media/tvp5150.h>
15 #include <media/v4l2-ctrls.h>
16
17 #include "tvp5150_reg.h"
18
19 #define TVP5150_H_MAX           720
20 #define TVP5150_V_MAX_525_60    480
21 #define TVP5150_V_MAX_OTHERS    576
22 #define TVP5150_MAX_CROP_LEFT   511
23 #define TVP5150_MAX_CROP_TOP    127
24 #define TVP5150_CROP_SHIFT      2
25
26 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
27 MODULE_AUTHOR("Mauro Carvalho Chehab");
28 MODULE_LICENSE("GPL");
29
30
31 static int debug;
32 module_param(debug, int, 0);
33 MODULE_PARM_DESC(debug, "Debug level (0-2)");
34
35 struct tvp5150 {
36         struct v4l2_subdev sd;
37         struct v4l2_ctrl_handler hdl;
38         struct v4l2_rect rect;
39
40         v4l2_std_id norm;       /* Current set standard */
41         u32 input;
42         u32 output;
43         int enable;
44 };
45
46 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
47 {
48         return container_of(sd, struct tvp5150, sd);
49 }
50
51 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
52 {
53         return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
54 }
55
56 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
57 {
58         struct i2c_client *c = v4l2_get_subdevdata(sd);
59         unsigned char buffer[1];
60         int rc;
61         struct i2c_msg msg[] = {
62                 { .addr = c->addr, .flags = 0,
63                   .buf = &addr, .len = 1 },
64                 { .addr = c->addr, .flags = I2C_M_RD,
65                   .buf = buffer, .len = 1 }
66         };
67
68         rc = i2c_transfer(c->adapter, msg, 2);
69         if (rc < 0 || rc != 2) {
70                 v4l2_err(sd, "i2c i/o error: rc == %d (should be 2)\n", rc);
71                 return rc < 0 ? rc : -EIO;
72         }
73
74         v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
75
76         return (buffer[0]);
77 }
78
79 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
80                                  unsigned char value)
81 {
82         struct i2c_client *c = v4l2_get_subdevdata(sd);
83         unsigned char buffer[2];
84         int rc;
85
86         buffer[0] = addr;
87         buffer[1] = value;
88         v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
89         if (2 != (rc = i2c_master_send(c, buffer, 2)))
90                 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc);
91 }
92
93 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
94                                 const u8 end, int max_line)
95 {
96         int i = 0;
97
98         while (init != (u8)(end + 1)) {
99                 if ((i % max_line) == 0) {
100                         if (i > 0)
101                                 printk("\n");
102                         printk("tvp5150: %s reg 0x%02x = ", s, init);
103                 }
104                 printk("%02x ", tvp5150_read(sd, init));
105
106                 init++;
107                 i++;
108         }
109         printk("\n");
110 }
111
112 static int tvp5150_log_status(struct v4l2_subdev *sd)
113 {
114         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
115                         tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
116         printk("tvp5150: Analog channel controls = 0x%02x\n",
117                         tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
118         printk("tvp5150: Operation mode controls = 0x%02x\n",
119                         tvp5150_read(sd, TVP5150_OP_MODE_CTL));
120         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
121                         tvp5150_read(sd, TVP5150_MISC_CTL));
122         printk("tvp5150: Autoswitch mask= 0x%02x\n",
123                         tvp5150_read(sd, TVP5150_AUTOSW_MSK));
124         printk("tvp5150: Color killer threshold control = 0x%02x\n",
125                         tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
126         printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
127                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
128                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
129                         tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
130         printk("tvp5150: Brightness control = 0x%02x\n",
131                         tvp5150_read(sd, TVP5150_BRIGHT_CTL));
132         printk("tvp5150: Color saturation control = 0x%02x\n",
133                         tvp5150_read(sd, TVP5150_SATURATION_CTL));
134         printk("tvp5150: Hue control = 0x%02x\n",
135                         tvp5150_read(sd, TVP5150_HUE_CTL));
136         printk("tvp5150: Contrast control = 0x%02x\n",
137                         tvp5150_read(sd, TVP5150_CONTRAST_CTL));
138         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
139                         tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
140         printk("tvp5150: Configuration shared pins = 0x%02x\n",
141                         tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
142         printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
143                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
144                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
145         printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
146                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
147                         tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
148         printk("tvp5150: Genlock/RTC = 0x%02x\n",
149                         tvp5150_read(sd, TVP5150_GENLOCK));
150         printk("tvp5150: Horizontal sync start = 0x%02x\n",
151                         tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
152         printk("tvp5150: Vertical blanking start = 0x%02x\n",
153                         tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
154         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
155                         tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
156         printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
157                         tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
158                         tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
159         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
160                         tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
161         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
162                         tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
163         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
164                         tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
165         printk("tvp5150: Video standard = 0x%02x\n",
166                         tvp5150_read(sd, TVP5150_VIDEO_STD));
167         printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
168                         tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
169                         tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
170         printk("tvp5150: Macrovision on counter = 0x%02x\n",
171                         tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
172         printk("tvp5150: Macrovision off counter = 0x%02x\n",
173                         tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
174         printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
175                         (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
176         printk("tvp5150: Device ID = %02x%02x\n",
177                         tvp5150_read(sd, TVP5150_MSB_DEV_ID),
178                         tvp5150_read(sd, TVP5150_LSB_DEV_ID));
179         printk("tvp5150: ROM version = (hex) %02x.%02x\n",
180                         tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
181                         tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
182         printk("tvp5150: Vertical line count = 0x%02x%02x\n",
183                         tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
184                         tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
185         printk("tvp5150: Interrupt status register B = 0x%02x\n",
186                         tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
187         printk("tvp5150: Interrupt active register B = 0x%02x\n",
188                         tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
189         printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
190                         tvp5150_read(sd, TVP5150_STATUS_REG_1),
191                         tvp5150_read(sd, TVP5150_STATUS_REG_2),
192                         tvp5150_read(sd, TVP5150_STATUS_REG_3),
193                         tvp5150_read(sd, TVP5150_STATUS_REG_4),
194                         tvp5150_read(sd, TVP5150_STATUS_REG_5));
195
196         dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
197                         TVP5150_TELETEXT_FIL1_END, 8);
198         dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
199                         TVP5150_TELETEXT_FIL2_END, 8);
200
201         printk("tvp5150: Teletext filter enable = 0x%02x\n",
202                         tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
203         printk("tvp5150: Interrupt status register A = 0x%02x\n",
204                         tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
205         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
206                         tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
207         printk("tvp5150: Interrupt configuration = 0x%02x\n",
208                         tvp5150_read(sd, TVP5150_INT_CONF));
209         printk("tvp5150: VDP status register = 0x%02x\n",
210                         tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
211         printk("tvp5150: FIFO word count = 0x%02x\n",
212                         tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
213         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
214                         tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
215         printk("tvp5150: FIFO reset = 0x%02x\n",
216                         tvp5150_read(sd, TVP5150_FIFO_RESET));
217         printk("tvp5150: Line number interrupt = 0x%02x\n",
218                         tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
219         printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
220                         tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
221                         tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
222         printk("tvp5150: FIFO output control = 0x%02x\n",
223                         tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
224         printk("tvp5150: Full field enable = 0x%02x\n",
225                         tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
226         printk("tvp5150: Full field mode register = 0x%02x\n",
227                         tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
228
229         dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
230                         TVP5150_CC_DATA_END, 8);
231
232         dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
233                         TVP5150_WSS_DATA_END, 8);
234
235         dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
236                         TVP5150_VPS_DATA_END, 8);
237
238         dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
239                         TVP5150_VITC_DATA_END, 10);
240
241         dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
242                         TVP5150_LINE_MODE_END, 8);
243         return 0;
244 }
245
246 /****************************************************************************
247                         Basic functions
248  ****************************************************************************/
249
250 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
251 {
252         int opmode = 0;
253         struct tvp5150 *decoder = to_tvp5150(sd);
254         int input = 0;
255         int val;
256
257         if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
258                 input = 8;
259
260         switch (decoder->input) {
261         case TVP5150_COMPOSITE1:
262                 input |= 2;
263                 /* fall through */
264         case TVP5150_COMPOSITE0:
265                 break;
266         case TVP5150_SVIDEO:
267         default:
268                 input |= 1;
269                 break;
270         }
271
272         v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
273                         "=> tvp5150 input=%i, opmode=%i\n",
274                         decoder->input, decoder->output,
275                         input, opmode);
276
277         tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
278         tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
279
280         /* Svideo should enable YCrCb output and disable GPCL output
281          * For Composite and TV, it should be the reverse
282          */
283         val = tvp5150_read(sd, TVP5150_MISC_CTL);
284         if (val < 0) {
285                 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
286                 return;
287         }
288
289         if (decoder->input == TVP5150_SVIDEO)
290                 val = (val & ~0x40) | 0x10;
291         else
292                 val = (val & ~0x10) | 0x40;
293         tvp5150_write(sd, TVP5150_MISC_CTL, val);
294 };
295
296 struct i2c_reg_value {
297         unsigned char reg;
298         unsigned char value;
299 };
300
301 /* Default values as sugested at TVP5150AM1 datasheet */
302 static const struct i2c_reg_value tvp5150_init_default[] = {
303         { /* 0x00 */
304                 TVP5150_VD_IN_SRC_SEL_1,0x00
305         },
306         { /* 0x01 */
307                 TVP5150_ANAL_CHL_CTL,0x15
308         },
309         { /* 0x02 */
310                 TVP5150_OP_MODE_CTL,0x00
311         },
312         { /* 0x03 */
313                 TVP5150_MISC_CTL,0x01
314         },
315         { /* 0x06 */
316                 TVP5150_COLOR_KIL_THSH_CTL,0x10
317         },
318         { /* 0x07 */
319                 TVP5150_LUMA_PROC_CTL_1,0x60
320         },
321         { /* 0x08 */
322                 TVP5150_LUMA_PROC_CTL_2,0x00
323         },
324         { /* 0x09 */
325                 TVP5150_BRIGHT_CTL,0x80
326         },
327         { /* 0x0a */
328                 TVP5150_SATURATION_CTL,0x80
329         },
330         { /* 0x0b */
331                 TVP5150_HUE_CTL,0x00
332         },
333         { /* 0x0c */
334                 TVP5150_CONTRAST_CTL,0x80
335         },
336         { /* 0x0d */
337                 TVP5150_DATA_RATE_SEL,0x47
338         },
339         { /* 0x0e */
340                 TVP5150_LUMA_PROC_CTL_3,0x00
341         },
342         { /* 0x0f */
343                 TVP5150_CONF_SHARED_PIN,0x08
344         },
345         { /* 0x11 */
346                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
347         },
348         { /* 0x12 */
349                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
350         },
351         { /* 0x13 */
352                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
353         },
354         { /* 0x14 */
355                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
356         },
357         { /* 0x15 */
358                 TVP5150_GENLOCK,0x01
359         },
360         { /* 0x16 */
361                 TVP5150_HORIZ_SYNC_START,0x80
362         },
363         { /* 0x18 */
364                 TVP5150_VERT_BLANKING_START,0x00
365         },
366         { /* 0x19 */
367                 TVP5150_VERT_BLANKING_STOP,0x00
368         },
369         { /* 0x1a */
370                 TVP5150_CHROMA_PROC_CTL_1,0x0c
371         },
372         { /* 0x1b */
373                 TVP5150_CHROMA_PROC_CTL_2,0x14
374         },
375         { /* 0x1c */
376                 TVP5150_INT_RESET_REG_B,0x00
377         },
378         { /* 0x1d */
379                 TVP5150_INT_ENABLE_REG_B,0x00
380         },
381         { /* 0x1e */
382                 TVP5150_INTT_CONFIG_REG_B,0x00
383         },
384         { /* 0x28 */
385                 TVP5150_VIDEO_STD,0x00
386         },
387         { /* 0x2e */
388                 TVP5150_MACROVISION_ON_CTR,0x0f
389         },
390         { /* 0x2f */
391                 TVP5150_MACROVISION_OFF_CTR,0x01
392         },
393         { /* 0xbb */
394                 TVP5150_TELETEXT_FIL_ENA,0x00
395         },
396         { /* 0xc0 */
397                 TVP5150_INT_STATUS_REG_A,0x00
398         },
399         { /* 0xc1 */
400                 TVP5150_INT_ENABLE_REG_A,0x00
401         },
402         { /* 0xc2 */
403                 TVP5150_INT_CONF,0x04
404         },
405         { /* 0xc8 */
406                 TVP5150_FIFO_INT_THRESHOLD,0x80
407         },
408         { /* 0xc9 */
409                 TVP5150_FIFO_RESET,0x00
410         },
411         { /* 0xca */
412                 TVP5150_LINE_NUMBER_INT,0x00
413         },
414         { /* 0xcb */
415                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
416         },
417         { /* 0xcc */
418                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
419         },
420         { /* 0xcd */
421                 TVP5150_FIFO_OUT_CTRL,0x01
422         },
423         { /* 0xcf */
424                 TVP5150_FULL_FIELD_ENA,0x00
425         },
426         { /* 0xd0 */
427                 TVP5150_LINE_MODE_INI,0x00
428         },
429         { /* 0xfc */
430                 TVP5150_FULL_FIELD_MODE_REG,0x7f
431         },
432         { /* end of data */
433                 0xff,0xff
434         }
435 };
436
437 /* Default values as sugested at TVP5150AM1 datasheet */
438 static const struct i2c_reg_value tvp5150_init_enable[] = {
439         {
440                 TVP5150_CONF_SHARED_PIN, 2
441         },{     /* Automatic offset and AGC enabled */
442                 TVP5150_ANAL_CHL_CTL, 0x15
443         },{     /* Activate YCrCb output 0x9 or 0xd ? */
444                 TVP5150_MISC_CTL, 0x6f
445         },{     /* Activates video std autodetection for all standards */
446                 TVP5150_AUTOSW_MSK, 0x0
447         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
448                 TVP5150_DATA_RATE_SEL, 0x47
449         },{
450                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
451         },{
452                 TVP5150_CHROMA_PROC_CTL_2, 0x54
453         },{     /* Non documented, but initialized on WinTV USB2 */
454                 0x27, 0x20
455         },{
456                 0xff,0xff
457         }
458 };
459
460 struct tvp5150_vbi_type {
461         unsigned int vbi_type;
462         unsigned int ini_line;
463         unsigned int end_line;
464         unsigned int by_field :1;
465 };
466
467 struct i2c_vbi_ram_value {
468         u16 reg;
469         struct tvp5150_vbi_type type;
470         unsigned char values[16];
471 };
472
473 /* This struct have the values for each supported VBI Standard
474  * by
475  tvp5150_vbi_types should follow the same order as vbi_ram_default
476  * value 0 means rom position 0x10, value 1 means rom position 0x30
477  * and so on. There are 16 possible locations from 0 to 15.
478  */
479
480 static struct i2c_vbi_ram_value vbi_ram_default[] =
481 {
482         /* FIXME: Current api doesn't handle all VBI types, those not
483            yet supported are placed under #if 0 */
484 #if 0
485         {0x010, /* Teletext, SECAM, WST System A */
486                 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
487                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
488                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
489         },
490 #endif
491         {0x030, /* Teletext, PAL, WST System B */
492                 {V4L2_SLICED_TELETEXT_B,6,22,1},
493                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
494                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
495         },
496 #if 0
497         {0x050, /* Teletext, PAL, WST System C */
498                 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
499                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
500                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
501         },
502         {0x070, /* Teletext, NTSC, WST System B */
503                 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
504                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
505                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
506         },
507         {0x090, /* Tetetext, NTSC NABTS System C */
508                 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
509                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
510                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
511         },
512         {0x0b0, /* Teletext, NTSC-J, NABTS System D */
513                 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
514                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
515                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
516         },
517         {0x0d0, /* Closed Caption, PAL/SECAM */
518                 {V4L2_SLICED_CAPTION_625,22,22,1},
519                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
520                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
521         },
522 #endif
523         {0x0f0, /* Closed Caption, NTSC */
524                 {V4L2_SLICED_CAPTION_525,21,21,1},
525                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
526                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
527         },
528         {0x110, /* Wide Screen Signal, PAL/SECAM */
529                 {V4L2_SLICED_WSS_625,23,23,1},
530                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
531                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
532         },
533 #if 0
534         {0x130, /* Wide Screen Signal, NTSC C */
535                 {V4L2_SLICED_WSS_525,20,20,1},
536                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
537                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
538         },
539         {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
540                 {V4l2_SLICED_VITC_625,6,22,0},
541                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
542                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
543         },
544         {0x170, /* Vertical Interval Timecode (VITC), NTSC */
545                 {V4l2_SLICED_VITC_525,10,20,0},
546                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
547                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
548         },
549 #endif
550         {0x190, /* Video Program System (VPS), PAL */
551                 {V4L2_SLICED_VPS,16,16,0},
552                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
553                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
554         },
555         /* 0x1d0 User programmable */
556
557         /* End of struct */
558         { (u16)-1 }
559 };
560
561 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
562                                 const struct i2c_reg_value *regs)
563 {
564         while (regs->reg != 0xff) {
565                 tvp5150_write(sd, regs->reg, regs->value);
566                 regs++;
567         }
568         return 0;
569 }
570
571 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
572                                 const struct i2c_vbi_ram_value *regs)
573 {
574         unsigned int i;
575
576         /* Disable Full Field */
577         tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
578
579         /* Before programming, Line mode should be at 0xff */
580         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
581                 tvp5150_write(sd, i, 0xff);
582
583         /* Load Ram Table */
584         while (regs->reg != (u16)-1) {
585                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
586                 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
587
588                 for (i = 0; i < 16; i++)
589                         tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
590
591                 regs++;
592         }
593         return 0;
594 }
595
596 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
597 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
598                                 struct v4l2_sliced_vbi_cap *cap)
599 {
600         const struct i2c_vbi_ram_value *regs = vbi_ram_default;
601         int line;
602
603         v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
604         memset(cap, 0, sizeof *cap);
605
606         while (regs->reg != (u16)-1 ) {
607                 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
608                         cap->service_lines[0][line] |= regs->type.vbi_type;
609                 }
610                 cap->service_set |= regs->type.vbi_type;
611
612                 regs++;
613         }
614         return 0;
615 }
616
617 /* Set vbi processing
618  * type - one of tvp5150_vbi_types
619  * line - line to gather data
620  * fields: bit 0 field1, bit 1, field2
621  * flags (default=0xf0) is a bitmask, were set means:
622  *      bit 7: enable filtering null bytes on CC
623  *      bit 6: send data also to FIFO
624  *      bit 5: don't allow data with errors on FIFO
625  *      bit 4: enable ECC when possible
626  * pix_align = pix alignment:
627  *      LSB = field1
628  *      MSB = field2
629  */
630 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
631                         const struct i2c_vbi_ram_value *regs,
632                         unsigned int type,u8 flags, int line,
633                         const int fields)
634 {
635         struct tvp5150 *decoder = to_tvp5150(sd);
636         v4l2_std_id std = decoder->norm;
637         u8 reg;
638         int pos=0;
639
640         if (std == V4L2_STD_ALL) {
641                 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
642                 return 0;
643         } else if (std & V4L2_STD_625_50) {
644                 /* Don't follow NTSC Line number convension */
645                 line += 3;
646         }
647
648         if (line<6||line>27)
649                 return 0;
650
651         while (regs->reg != (u16)-1 ) {
652                 if ((type & regs->type.vbi_type) &&
653                     (line>=regs->type.ini_line) &&
654                     (line<=regs->type.end_line)) {
655                         type=regs->type.vbi_type;
656                         break;
657                 }
658
659                 regs++;
660                 pos++;
661         }
662         if (regs->reg == (u16)-1)
663                 return 0;
664
665         type=pos | (flags & 0xf0);
666         reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
667
668         if (fields&1) {
669                 tvp5150_write(sd, reg, type);
670         }
671
672         if (fields&2) {
673                 tvp5150_write(sd, reg+1, type);
674         }
675
676         return type;
677 }
678
679 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
680                         const struct i2c_vbi_ram_value *regs, int line)
681 {
682         struct tvp5150 *decoder = to_tvp5150(sd);
683         v4l2_std_id std = decoder->norm;
684         u8 reg;
685         int pos, type = 0;
686         int i, ret = 0;
687
688         if (std == V4L2_STD_ALL) {
689                 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
690                 return 0;
691         } else if (std & V4L2_STD_625_50) {
692                 /* Don't follow NTSC Line number convension */
693                 line += 3;
694         }
695
696         if (line < 6 || line > 27)
697                 return 0;
698
699         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
700
701         for (i = 0; i <= 1; i++) {
702                 ret = tvp5150_read(sd, reg + i);
703                 if (ret < 0) {
704                         v4l2_err(sd, "%s: failed with error = %d\n",
705                                  __func__, ret);
706                         return 0;
707                 }
708                 pos = ret & 0x0f;
709                 if (pos < 0x0f)
710                         type |= regs[pos].type.vbi_type;
711         }
712
713         return type;
714 }
715
716 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
717 {
718         struct tvp5150 *decoder = to_tvp5150(sd);
719         int fmt = 0;
720
721         decoder->norm = std;
722
723         /* First tests should be against specific std */
724
725         if (std == V4L2_STD_NTSC_443) {
726                 fmt = VIDEO_STD_NTSC_4_43_BIT;
727         } else if (std == V4L2_STD_PAL_M) {
728                 fmt = VIDEO_STD_PAL_M_BIT;
729         } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
730                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
731         } else {
732                 /* Then, test against generic ones */
733                 if (std & V4L2_STD_NTSC)
734                         fmt = VIDEO_STD_NTSC_MJ_BIT;
735                 else if (std & V4L2_STD_PAL)
736                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
737                 else if (std & V4L2_STD_SECAM)
738                         fmt = VIDEO_STD_SECAM_BIT;
739         }
740
741         v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
742         tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
743         return 0;
744 }
745
746 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
747 {
748         struct tvp5150 *decoder = to_tvp5150(sd);
749
750         if (decoder->norm == std)
751                 return 0;
752
753         /* Change cropping height limits */
754         if (std & V4L2_STD_525_60)
755                 decoder->rect.height = TVP5150_V_MAX_525_60;
756         else
757                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
758
759
760         return tvp5150_set_std(sd, std);
761 }
762
763 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
764 {
765         struct tvp5150 *decoder = to_tvp5150(sd);
766
767         /* Initializes TVP5150 to its default values */
768         tvp5150_write_inittab(sd, tvp5150_init_default);
769
770         /* Initializes VDP registers */
771         tvp5150_vdp_init(sd, vbi_ram_default);
772
773         /* Selects decoder input */
774         tvp5150_selmux(sd);
775
776         /* Initializes TVP5150 to stream enabled values */
777         tvp5150_write_inittab(sd, tvp5150_init_enable);
778
779         /* Initialize image preferences */
780         v4l2_ctrl_handler_setup(&decoder->hdl);
781
782         tvp5150_set_std(sd, decoder->norm);
783         return 0;
784 };
785
786 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
787 {
788         struct v4l2_subdev *sd = to_sd(ctrl);
789
790         switch (ctrl->id) {
791         case V4L2_CID_BRIGHTNESS:
792                 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
793                 return 0;
794         case V4L2_CID_CONTRAST:
795                 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
796                 return 0;
797         case V4L2_CID_SATURATION:
798                 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
799                 return 0;
800         case V4L2_CID_HUE:
801                 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
802                 return 0;
803         }
804         return -EINVAL;
805 }
806
807 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
808 {
809         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
810
811         switch (val & 0x0F) {
812         case 0x01:
813                 return V4L2_STD_NTSC;
814         case 0x03:
815                 return V4L2_STD_PAL;
816         case 0x05:
817                 return V4L2_STD_PAL_M;
818         case 0x07:
819                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
820         case 0x09:
821                 return V4L2_STD_NTSC_443;
822         case 0xb:
823                 return V4L2_STD_SECAM;
824         default:
825                 return V4L2_STD_UNKNOWN;
826         }
827 }
828
829 static int tvp5150_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
830                                                 enum v4l2_mbus_pixelcode *code)
831 {
832         if (index)
833                 return -EINVAL;
834
835         *code = V4L2_MBUS_FMT_UYVY8_2X8;
836         return 0;
837 }
838
839 static int tvp5150_mbus_fmt(struct v4l2_subdev *sd,
840                             struct v4l2_mbus_framefmt *f)
841 {
842         struct tvp5150 *decoder = to_tvp5150(sd);
843
844         if (f == NULL)
845                 return -EINVAL;
846
847         tvp5150_reset(sd, 0);
848
849         f->width = decoder->rect.width;
850         f->height = decoder->rect.height;
851
852         f->code = V4L2_MBUS_FMT_UYVY8_2X8;
853         f->field = V4L2_FIELD_SEQ_TB;
854         f->colorspace = V4L2_COLORSPACE_SMPTE170M;
855
856         v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
857                         f->height);
858         return 0;
859 }
860
861 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a)
862 {
863         struct v4l2_rect rect = a->c;
864         struct tvp5150 *decoder = to_tvp5150(sd);
865         v4l2_std_id std;
866         unsigned int hmax;
867
868         v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
869                 __func__, rect.left, rect.top, rect.width, rect.height);
870
871         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
872                 return -EINVAL;
873
874         /* tvp5150 has some special limits */
875         rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
876         rect.width = clamp_t(unsigned int, rect.width,
877                              TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
878                              TVP5150_H_MAX - rect.left);
879         rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
880
881         /* Calculate height based on current standard */
882         if (decoder->norm == V4L2_STD_ALL)
883                 std = tvp5150_read_std(sd);
884         else
885                 std = decoder->norm;
886
887         if (std & V4L2_STD_525_60)
888                 hmax = TVP5150_V_MAX_525_60;
889         else
890                 hmax = TVP5150_V_MAX_OTHERS;
891
892         rect.height = clamp_t(unsigned int, rect.height,
893                               hmax - TVP5150_MAX_CROP_TOP - rect.top,
894                               hmax - rect.top);
895
896         tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
897         tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
898                       rect.top + rect.height - hmax);
899         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
900                       rect.left >> TVP5150_CROP_SHIFT);
901         tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
902                       rect.left | (1 << TVP5150_CROP_SHIFT));
903         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
904                       (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
905                       TVP5150_CROP_SHIFT);
906         tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
907                       rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
908
909         decoder->rect = rect;
910
911         return 0;
912 }
913
914 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
915 {
916         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
917
918         a->c    = decoder->rect;
919         a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
920
921         return 0;
922 }
923
924 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
925 {
926         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
927         v4l2_std_id std;
928
929         if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
930                 return -EINVAL;
931
932         a->bounds.left                  = 0;
933         a->bounds.top                   = 0;
934         a->bounds.width                 = TVP5150_H_MAX;
935
936         /* Calculate height based on current standard */
937         if (decoder->norm == V4L2_STD_ALL)
938                 std = tvp5150_read_std(sd);
939         else
940                 std = decoder->norm;
941
942         if (std & V4L2_STD_525_60)
943                 a->bounds.height = TVP5150_V_MAX_525_60;
944         else
945                 a->bounds.height = TVP5150_V_MAX_OTHERS;
946
947         a->defrect                      = a->bounds;
948         a->pixelaspect.numerator        = 1;
949         a->pixelaspect.denominator      = 1;
950
951         return 0;
952 }
953
954 /****************************************************************************
955                         I2C Command
956  ****************************************************************************/
957
958 static int tvp5150_s_routing(struct v4l2_subdev *sd,
959                              u32 input, u32 output, u32 config)
960 {
961         struct tvp5150 *decoder = to_tvp5150(sd);
962
963         decoder->input = input;
964         decoder->output = output;
965         tvp5150_selmux(sd);
966         return 0;
967 }
968
969 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
970 {
971         /* this is for capturing 36 raw vbi lines
972            if there's a way to cut off the beginning 2 vbi lines
973            with the tvp5150 then the vbi line count could be lowered
974            to 17 lines/field again, although I couldn't find a register
975            which could do that cropping */
976         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
977                 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
978         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
979                 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
980                 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
981         }
982         return 0;
983 }
984
985 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
986 {
987         int i;
988
989         if (svbi->service_set != 0) {
990                 for (i = 0; i <= 23; i++) {
991                         svbi->service_lines[1][i] = 0;
992                         svbi->service_lines[0][i] =
993                                 tvp5150_set_vbi(sd, vbi_ram_default,
994                                        svbi->service_lines[0][i], 0xf0, i, 3);
995                 }
996                 /* Enables FIFO */
997                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
998         } else {
999                 /* Disables FIFO*/
1000                 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1001
1002                 /* Disable Full Field */
1003                 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1004
1005                 /* Disable Line modes */
1006                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1007                         tvp5150_write(sd, i, 0xff);
1008         }
1009         return 0;
1010 }
1011
1012 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1013 {
1014         int i, mask = 0;
1015
1016         memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1017
1018         for (i = 0; i <= 23; i++) {
1019                 svbi->service_lines[0][i] =
1020                         tvp5150_get_vbi(sd, vbi_ram_default, i);
1021                 mask |= svbi->service_lines[0][i];
1022         }
1023         svbi->service_set = mask;
1024         return 0;
1025 }
1026
1027 #ifdef CONFIG_VIDEO_ADV_DEBUG
1028 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1029 {
1030         int res;
1031
1032         res = tvp5150_read(sd, reg->reg & 0xff);
1033         if (res < 0) {
1034                 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
1035                 return res;
1036         }
1037
1038         reg->val = res;
1039         reg->size = 1;
1040         return 0;
1041 }
1042
1043 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1044 {
1045         tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1046         return 0;
1047 }
1048 #endif
1049
1050 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1051 {
1052         int status = tvp5150_read(sd, 0x88);
1053
1054         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1055         return 0;
1056 }
1057
1058 /* ----------------------------------------------------------------------- */
1059
1060 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1061         .s_ctrl = tvp5150_s_ctrl,
1062 };
1063
1064 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1065         .log_status = tvp5150_log_status,
1066         .s_std = tvp5150_s_std,
1067         .reset = tvp5150_reset,
1068 #ifdef CONFIG_VIDEO_ADV_DEBUG
1069         .g_register = tvp5150_g_register,
1070         .s_register = tvp5150_s_register,
1071 #endif
1072 };
1073
1074 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1075         .g_tuner = tvp5150_g_tuner,
1076 };
1077
1078 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1079         .s_routing = tvp5150_s_routing,
1080         .enum_mbus_fmt = tvp5150_enum_mbus_fmt,
1081         .s_mbus_fmt = tvp5150_mbus_fmt,
1082         .try_mbus_fmt = tvp5150_mbus_fmt,
1083         .g_mbus_fmt = tvp5150_mbus_fmt,
1084         .s_crop = tvp5150_s_crop,
1085         .g_crop = tvp5150_g_crop,
1086         .cropcap = tvp5150_cropcap,
1087 };
1088
1089 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1090         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1091         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1092         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1093         .s_raw_fmt = tvp5150_s_raw_fmt,
1094 };
1095
1096 static const struct v4l2_subdev_ops tvp5150_ops = {
1097         .core = &tvp5150_core_ops,
1098         .tuner = &tvp5150_tuner_ops,
1099         .video = &tvp5150_video_ops,
1100         .vbi = &tvp5150_vbi_ops,
1101 };
1102
1103
1104 /****************************************************************************
1105                         I2C Client & Driver
1106  ****************************************************************************/
1107
1108 static int tvp5150_probe(struct i2c_client *c,
1109                          const struct i2c_device_id *id)
1110 {
1111         struct tvp5150 *core;
1112         struct v4l2_subdev *sd;
1113         int tvp5150_id[4];
1114         int i, res;
1115
1116         /* Check if the adapter supports the needed features */
1117         if (!i2c_check_functionality(c->adapter,
1118              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1119                 return -EIO;
1120
1121         core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1122         if (!core)
1123                 return -ENOMEM;
1124         sd = &core->sd;
1125         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1126
1127         /* 
1128          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1129          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 
1130          */
1131         for (i = 0; i < 4; i++) {
1132                 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1133                 if (res < 0)
1134                         return res;
1135                 tvp5150_id[i] = res;
1136         }
1137
1138         v4l_info(c, "chip found @ 0x%02x (%s)\n",
1139                  c->addr << 1, c->adapter->name);
1140
1141         if (tvp5150_id[2] == 4 && tvp5150_id[3] == 0) { /* Is TVP5150AM1 */
1142                 v4l2_info(sd, "tvp%02x%02xam1 detected.\n",
1143                           tvp5150_id[0], tvp5150_id[1]);
1144
1145                 /* ITU-T BT.656.4 timing */
1146                 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1147         } else {
1148                 /* Is TVP5150A */
1149                 if (tvp5150_id[2] == 3 || tvp5150_id[3] == 0x21) {
1150                         v4l2_info(sd, "tvp%02x%02xa detected.\n",
1151                                   tvp5150_id[2], tvp5150_id[3]);
1152                 } else {
1153                         v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n",
1154                                   tvp5150_id[2], tvp5150_id[3]);
1155                         v4l2_info(sd, "*** Rom ver is %d.%d\n",
1156                                   tvp5150_id[2], tvp5150_id[3]);
1157                 }
1158         }
1159
1160         core->norm = V4L2_STD_ALL;      /* Default is autodetect */
1161         core->input = TVP5150_COMPOSITE1;
1162         core->enable = 1;
1163
1164         v4l2_ctrl_handler_init(&core->hdl, 4);
1165         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1166                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1167         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1168                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
1169         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1170                         V4L2_CID_SATURATION, 0, 255, 1, 128);
1171         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1172                         V4L2_CID_HUE, -128, 127, 1, 0);
1173         sd->ctrl_handler = &core->hdl;
1174         if (core->hdl.error) {
1175                 res = core->hdl.error;
1176                 v4l2_ctrl_handler_free(&core->hdl);
1177                 return res;
1178         }
1179         v4l2_ctrl_handler_setup(&core->hdl);
1180
1181         /* Default is no cropping */
1182         core->rect.top = 0;
1183         if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1184                 core->rect.height = TVP5150_V_MAX_525_60;
1185         else
1186                 core->rect.height = TVP5150_V_MAX_OTHERS;
1187         core->rect.left = 0;
1188         core->rect.width = TVP5150_H_MAX;
1189
1190         if (debug > 1)
1191                 tvp5150_log_status(sd);
1192         return 0;
1193 }
1194
1195 static int tvp5150_remove(struct i2c_client *c)
1196 {
1197         struct v4l2_subdev *sd = i2c_get_clientdata(c);
1198         struct tvp5150 *decoder = to_tvp5150(sd);
1199
1200         v4l2_dbg(1, debug, sd,
1201                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1202                 c->addr << 1);
1203
1204         v4l2_device_unregister_subdev(sd);
1205         v4l2_ctrl_handler_free(&decoder->hdl);
1206         return 0;
1207 }
1208
1209 /* ----------------------------------------------------------------------- */
1210
1211 static const struct i2c_device_id tvp5150_id[] = {
1212         { "tvp5150", 0 },
1213         { }
1214 };
1215 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1216
1217 static struct i2c_driver tvp5150_driver = {
1218         .driver = {
1219                 .owner  = THIS_MODULE,
1220                 .name   = "tvp5150",
1221         },
1222         .probe          = tvp5150_probe,
1223         .remove         = tvp5150_remove,
1224         .id_table       = tvp5150_id,
1225 };
1226
1227 module_i2c_driver(tvp5150_driver);