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tvp5150.c
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1 /*
2  * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver
3  *
4  * Copyright (c) 2005,2006 Mauro Carvalho Chehab ([email protected])
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-chip-ident.h>
16 #include <media/v4l2-ctrls.h>
17 
18 #include "tvp5150_reg.h"
19 
20 #define TVP5150_H_MAX 720
21 #define TVP5150_V_MAX_525_60 480
22 #define TVP5150_V_MAX_OTHERS 576
23 #define TVP5150_MAX_CROP_LEFT 511
24 #define TVP5150_MAX_CROP_TOP 127
25 #define TVP5150_CROP_SHIFT 2
26 
27 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
28 MODULE_AUTHOR("Mauro Carvalho Chehab");
29 MODULE_LICENSE("GPL");
30 
31 
32 static int debug;
33 module_param(debug, int, 0);
34 MODULE_PARM_DESC(debug, "Debug level (0-2)");
35 
36 struct tvp5150 {
37  struct v4l2_subdev sd;
38  struct v4l2_ctrl_handler hdl;
39  struct v4l2_rect rect;
40 
41  v4l2_std_id norm; /* Current set standard */
42  u32 input;
43  u32 output;
44  int enable;
45 };
46 
47 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
48 {
49  return container_of(sd, struct tvp5150, sd);
50 }
51 
52 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
53 {
54  return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
55 }
56 
57 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
58 {
59  struct i2c_client *c = v4l2_get_subdevdata(sd);
60  unsigned char buffer[1];
61  int rc;
62 
63  buffer[0] = addr;
64 
65  rc = i2c_master_send(c, buffer, 1);
66  if (rc < 0) {
67  v4l2_err(sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
68  return rc;
69  }
70 
71  msleep(10);
72 
73  rc = i2c_master_recv(c, buffer, 1);
74  if (rc < 0) {
75  v4l2_err(sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
76  return rc;
77  }
78 
79  v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
80 
81  return (buffer[0]);
82 }
83 
84 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
85  unsigned char value)
86 {
87  struct i2c_client *c = v4l2_get_subdevdata(sd);
88  unsigned char buffer[2];
89  int rc;
90 
91  buffer[0] = addr;
92  buffer[1] = value;
93  v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
94  if (2 != (rc = i2c_master_send(c, buffer, 2)))
95  v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc);
96 }
97 
98 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
99  const u8 end, int max_line)
100 {
101  int i = 0;
102 
103  while (init != (u8)(end + 1)) {
104  if ((i % max_line) == 0) {
105  if (i > 0)
106  printk("\n");
107  printk("tvp5150: %s reg 0x%02x = ", s, init);
108  }
109  printk("%02x ", tvp5150_read(sd, init));
110 
111  init++;
112  i++;
113  }
114  printk("\n");
115 }
116 
117 static int tvp5150_log_status(struct v4l2_subdev *sd)
118 {
119  printk("tvp5150: Video input source selection #1 = 0x%02x\n",
120  tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
121  printk("tvp5150: Analog channel controls = 0x%02x\n",
122  tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
123  printk("tvp5150: Operation mode controls = 0x%02x\n",
124  tvp5150_read(sd, TVP5150_OP_MODE_CTL));
125  printk("tvp5150: Miscellaneous controls = 0x%02x\n",
126  tvp5150_read(sd, TVP5150_MISC_CTL));
127  printk("tvp5150: Autoswitch mask= 0x%02x\n",
128  tvp5150_read(sd, TVP5150_AUTOSW_MSK));
129  printk("tvp5150: Color killer threshold control = 0x%02x\n",
130  tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
131  printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
132  tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
133  tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
134  tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
135  printk("tvp5150: Brightness control = 0x%02x\n",
136  tvp5150_read(sd, TVP5150_BRIGHT_CTL));
137  printk("tvp5150: Color saturation control = 0x%02x\n",
138  tvp5150_read(sd, TVP5150_SATURATION_CTL));
139  printk("tvp5150: Hue control = 0x%02x\n",
140  tvp5150_read(sd, TVP5150_HUE_CTL));
141  printk("tvp5150: Contrast control = 0x%02x\n",
142  tvp5150_read(sd, TVP5150_CONTRAST_CTL));
143  printk("tvp5150: Outputs and data rates select = 0x%02x\n",
144  tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
145  printk("tvp5150: Configuration shared pins = 0x%02x\n",
146  tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
147  printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
148  tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
149  tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
150  printk("tvp5150: Active video cropping stop = 0x%02x%02x\n",
151  tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
152  tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
153  printk("tvp5150: Genlock/RTC = 0x%02x\n",
154  tvp5150_read(sd, TVP5150_GENLOCK));
155  printk("tvp5150: Horizontal sync start = 0x%02x\n",
156  tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
157  printk("tvp5150: Vertical blanking start = 0x%02x\n",
158  tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
159  printk("tvp5150: Vertical blanking stop = 0x%02x\n",
160  tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
161  printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
162  tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
163  tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
164  printk("tvp5150: Interrupt reset register B = 0x%02x\n",
165  tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
166  printk("tvp5150: Interrupt enable register B = 0x%02x\n",
167  tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
168  printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
169  tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
170  printk("tvp5150: Video standard = 0x%02x\n",
171  tvp5150_read(sd, TVP5150_VIDEO_STD));
172  printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
173  tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
174  tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
175  printk("tvp5150: Macrovision on counter = 0x%02x\n",
176  tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
177  printk("tvp5150: Macrovision off counter = 0x%02x\n",
178  tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
179  printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
180  (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
181  printk("tvp5150: Device ID = %02x%02x\n",
182  tvp5150_read(sd, TVP5150_MSB_DEV_ID),
183  tvp5150_read(sd, TVP5150_LSB_DEV_ID));
184  printk("tvp5150: ROM version = (hex) %02x.%02x\n",
185  tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
186  tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
187  printk("tvp5150: Vertical line count = 0x%02x%02x\n",
188  tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
189  tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
190  printk("tvp5150: Interrupt status register B = 0x%02x\n",
191  tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
192  printk("tvp5150: Interrupt active register B = 0x%02x\n",
193  tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
194  printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
195  tvp5150_read(sd, TVP5150_STATUS_REG_1),
196  tvp5150_read(sd, TVP5150_STATUS_REG_2),
197  tvp5150_read(sd, TVP5150_STATUS_REG_3),
198  tvp5150_read(sd, TVP5150_STATUS_REG_4),
199  tvp5150_read(sd, TVP5150_STATUS_REG_5));
200 
201  dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
202  TVP5150_TELETEXT_FIL1_END, 8);
203  dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
204  TVP5150_TELETEXT_FIL2_END, 8);
205 
206  printk("tvp5150: Teletext filter enable = 0x%02x\n",
207  tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
208  printk("tvp5150: Interrupt status register A = 0x%02x\n",
209  tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
210  printk("tvp5150: Interrupt enable register A = 0x%02x\n",
211  tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
212  printk("tvp5150: Interrupt configuration = 0x%02x\n",
213  tvp5150_read(sd, TVP5150_INT_CONF));
214  printk("tvp5150: VDP status register = 0x%02x\n",
215  tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
216  printk("tvp5150: FIFO word count = 0x%02x\n",
217  tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
218  printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
219  tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
220  printk("tvp5150: FIFO reset = 0x%02x\n",
221  tvp5150_read(sd, TVP5150_FIFO_RESET));
222  printk("tvp5150: Line number interrupt = 0x%02x\n",
223  tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
224  printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
225  tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
226  tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
227  printk("tvp5150: FIFO output control = 0x%02x\n",
228  tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
229  printk("tvp5150: Full field enable = 0x%02x\n",
230  tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
231  printk("tvp5150: Full field mode register = 0x%02x\n",
232  tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
233 
234  dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
235  TVP5150_CC_DATA_END, 8);
236 
237  dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
238  TVP5150_WSS_DATA_END, 8);
239 
240  dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
241  TVP5150_VPS_DATA_END, 8);
242 
243  dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
244  TVP5150_VITC_DATA_END, 10);
245 
246  dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
247  TVP5150_LINE_MODE_END, 8);
248  return 0;
249 }
250 
251 /****************************************************************************
252  Basic functions
253  ****************************************************************************/
254 
255 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
256 {
257  int opmode = 0;
258  struct tvp5150 *decoder = to_tvp5150(sd);
259  int input = 0;
260  int val;
261 
262  if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
263  input = 8;
264 
265  switch (decoder->input) {
266  case TVP5150_COMPOSITE1:
267  input |= 2;
268  /* fall through */
269  case TVP5150_COMPOSITE0:
270  break;
271  case TVP5150_SVIDEO:
272  default:
273  input |= 1;
274  break;
275  }
276 
277  v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
278  "=> tvp5150 input=%i, opmode=%i\n",
279  decoder->input, decoder->output,
280  input, opmode);
281 
282  tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
283  tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
284 
285  /* Svideo should enable YCrCb output and disable GPCL output
286  * For Composite and TV, it should be the reverse
287  */
288  val = tvp5150_read(sd, TVP5150_MISC_CTL);
289  if (val < 0) {
290  v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
291  return;
292  }
293 
294  if (decoder->input == TVP5150_SVIDEO)
295  val = (val & ~0x40) | 0x10;
296  else
297  val = (val & ~0x10) | 0x40;
298  tvp5150_write(sd, TVP5150_MISC_CTL, val);
299 };
300 
301 struct i2c_reg_value {
302  unsigned char reg;
303  unsigned char value;
304 };
305 
306 /* Default values as sugested at TVP5150AM1 datasheet */
307 static const struct i2c_reg_value tvp5150_init_default[] = {
308  { /* 0x00 */
309  TVP5150_VD_IN_SRC_SEL_1,0x00
310  },
311  { /* 0x01 */
312  TVP5150_ANAL_CHL_CTL,0x15
313  },
314  { /* 0x02 */
315  TVP5150_OP_MODE_CTL,0x00
316  },
317  { /* 0x03 */
318  TVP5150_MISC_CTL,0x01
319  },
320  { /* 0x06 */
321  TVP5150_COLOR_KIL_THSH_CTL,0x10
322  },
323  { /* 0x07 */
324  TVP5150_LUMA_PROC_CTL_1,0x60
325  },
326  { /* 0x08 */
327  TVP5150_LUMA_PROC_CTL_2,0x00
328  },
329  { /* 0x09 */
330  TVP5150_BRIGHT_CTL,0x80
331  },
332  { /* 0x0a */
333  TVP5150_SATURATION_CTL,0x80
334  },
335  { /* 0x0b */
336  TVP5150_HUE_CTL,0x00
337  },
338  { /* 0x0c */
339  TVP5150_CONTRAST_CTL,0x80
340  },
341  { /* 0x0d */
342  TVP5150_DATA_RATE_SEL,0x47
343  },
344  { /* 0x0e */
345  TVP5150_LUMA_PROC_CTL_3,0x00
346  },
347  { /* 0x0f */
348  TVP5150_CONF_SHARED_PIN,0x08
349  },
350  { /* 0x11 */
351  TVP5150_ACT_VD_CROP_ST_MSB,0x00
352  },
353  { /* 0x12 */
354  TVP5150_ACT_VD_CROP_ST_LSB,0x00
355  },
356  { /* 0x13 */
357  TVP5150_ACT_VD_CROP_STP_MSB,0x00
358  },
359  { /* 0x14 */
360  TVP5150_ACT_VD_CROP_STP_LSB,0x00
361  },
362  { /* 0x15 */
363  TVP5150_GENLOCK,0x01
364  },
365  { /* 0x16 */
366  TVP5150_HORIZ_SYNC_START,0x80
367  },
368  { /* 0x18 */
369  TVP5150_VERT_BLANKING_START,0x00
370  },
371  { /* 0x19 */
372  TVP5150_VERT_BLANKING_STOP,0x00
373  },
374  { /* 0x1a */
375  TVP5150_CHROMA_PROC_CTL_1,0x0c
376  },
377  { /* 0x1b */
378  TVP5150_CHROMA_PROC_CTL_2,0x14
379  },
380  { /* 0x1c */
381  TVP5150_INT_RESET_REG_B,0x00
382  },
383  { /* 0x1d */
384  TVP5150_INT_ENABLE_REG_B,0x00
385  },
386  { /* 0x1e */
387  TVP5150_INTT_CONFIG_REG_B,0x00
388  },
389  { /* 0x28 */
390  TVP5150_VIDEO_STD,0x00
391  },
392  { /* 0x2e */
393  TVP5150_MACROVISION_ON_CTR,0x0f
394  },
395  { /* 0x2f */
396  TVP5150_MACROVISION_OFF_CTR,0x01
397  },
398  { /* 0xbb */
399  TVP5150_TELETEXT_FIL_ENA,0x00
400  },
401  { /* 0xc0 */
402  TVP5150_INT_STATUS_REG_A,0x00
403  },
404  { /* 0xc1 */
405  TVP5150_INT_ENABLE_REG_A,0x00
406  },
407  { /* 0xc2 */
408  TVP5150_INT_CONF,0x04
409  },
410  { /* 0xc8 */
411  TVP5150_FIFO_INT_THRESHOLD,0x80
412  },
413  { /* 0xc9 */
414  TVP5150_FIFO_RESET,0x00
415  },
416  { /* 0xca */
417  TVP5150_LINE_NUMBER_INT,0x00
418  },
419  { /* 0xcb */
420  TVP5150_PIX_ALIGN_REG_LOW,0x4e
421  },
422  { /* 0xcc */
423  TVP5150_PIX_ALIGN_REG_HIGH,0x00
424  },
425  { /* 0xcd */
426  TVP5150_FIFO_OUT_CTRL,0x01
427  },
428  { /* 0xcf */
429  TVP5150_FULL_FIELD_ENA,0x00
430  },
431  { /* 0xd0 */
432  TVP5150_LINE_MODE_INI,0x00
433  },
434  { /* 0xfc */
435  TVP5150_FULL_FIELD_MODE_REG,0x7f
436  },
437  { /* end of data */
438  0xff,0xff
439  }
440 };
441 
442 /* Default values as sugested at TVP5150AM1 datasheet */
443 static const struct i2c_reg_value tvp5150_init_enable[] = {
444  {
445  TVP5150_CONF_SHARED_PIN, 2
446  },{ /* Automatic offset and AGC enabled */
447  TVP5150_ANAL_CHL_CTL, 0x15
448  },{ /* Activate YCrCb output 0x9 or 0xd ? */
449  TVP5150_MISC_CTL, 0x6f
450  },{ /* Activates video std autodetection for all standards */
451  TVP5150_AUTOSW_MSK, 0x0
452  },{ /* Default format: 0x47. For 4:2:2: 0x40 */
453  TVP5150_DATA_RATE_SEL, 0x47
454  },{
455  TVP5150_CHROMA_PROC_CTL_1, 0x0c
456  },{
457  TVP5150_CHROMA_PROC_CTL_2, 0x54
458  },{ /* Non documented, but initialized on WinTV USB2 */
459  0x27, 0x20
460  },{
461  0xff,0xff
462  }
463 };
464 
465 struct tvp5150_vbi_type {
466  unsigned int vbi_type;
467  unsigned int ini_line;
468  unsigned int end_line;
469  unsigned int by_field :1;
470 };
471 
472 struct i2c_vbi_ram_value {
473  u16 reg;
474  struct tvp5150_vbi_type type;
475  unsigned char values[16];
476 };
477 
478 /* This struct have the values for each supported VBI Standard
479  * by
480  tvp5150_vbi_types should follow the same order as vbi_ram_default
481  * value 0 means rom position 0x10, value 1 means rom position 0x30
482  * and so on. There are 16 possible locations from 0 to 15.
483  */
484 
485 static struct i2c_vbi_ram_value vbi_ram_default[] =
486 {
487  /* FIXME: Current api doesn't handle all VBI types, those not
488  yet supported are placed under #if 0 */
489 #if 0
490  {0x010, /* Teletext, SECAM, WST System A */
491  {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
492  { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
493  0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
494  },
495 #endif
496  {0x030, /* Teletext, PAL, WST System B */
497  {V4L2_SLICED_TELETEXT_B,6,22,1},
498  { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
499  0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
500  },
501 #if 0
502  {0x050, /* Teletext, PAL, WST System C */
503  {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
504  { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
505  0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
506  },
507  {0x070, /* Teletext, NTSC, WST System B */
508  {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
509  { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
510  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
511  },
512  {0x090, /* Tetetext, NTSC NABTS System C */
513  {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
514  { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
515  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
516  },
517  {0x0b0, /* Teletext, NTSC-J, NABTS System D */
518  {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
519  { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
520  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
521  },
522  {0x0d0, /* Closed Caption, PAL/SECAM */
523  {V4L2_SLICED_CAPTION_625,22,22,1},
524  { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
525  0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
526  },
527 #endif
528  {0x0f0, /* Closed Caption, NTSC */
529  {V4L2_SLICED_CAPTION_525,21,21,1},
530  { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
531  0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
532  },
533  {0x110, /* Wide Screen Signal, PAL/SECAM */
534  {V4L2_SLICED_WSS_625,23,23,1},
535  { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
536  0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
537  },
538 #if 0
539  {0x130, /* Wide Screen Signal, NTSC C */
540  {V4L2_SLICED_WSS_525,20,20,1},
541  { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
542  0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
543  },
544  {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
545  {V4l2_SLICED_VITC_625,6,22,0},
546  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
547  0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
548  },
549  {0x170, /* Vertical Interval Timecode (VITC), NTSC */
550  {V4l2_SLICED_VITC_525,10,20,0},
551  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
552  0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
553  },
554 #endif
555  {0x190, /* Video Program System (VPS), PAL */
556  {V4L2_SLICED_VPS,16,16,0},
557  { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
558  0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
559  },
560  /* 0x1d0 User programmable */
561 
562  /* End of struct */
563  { (u16)-1 }
564 };
565 
566 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
567  const struct i2c_reg_value *regs)
568 {
569  while (regs->reg != 0xff) {
570  tvp5150_write(sd, regs->reg, regs->value);
571  regs++;
572  }
573  return 0;
574 }
575 
576 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
577  const struct i2c_vbi_ram_value *regs)
578 {
579  unsigned int i;
580 
581  /* Disable Full Field */
582  tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
583 
584  /* Before programming, Line mode should be at 0xff */
585  for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
586  tvp5150_write(sd, i, 0xff);
587 
588  /* Load Ram Table */
589  while (regs->reg != (u16)-1) {
590  tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
591  tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
592 
593  for (i = 0; i < 16; i++)
594  tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
595 
596  regs++;
597  }
598  return 0;
599 }
600 
601 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
602 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
603  struct v4l2_sliced_vbi_cap *cap)
604 {
605  const struct i2c_vbi_ram_value *regs = vbi_ram_default;
606  int line;
607 
608  v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
609  memset(cap, 0, sizeof *cap);
610 
611  while (regs->reg != (u16)-1 ) {
612  for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
613  cap->service_lines[0][line] |= regs->type.vbi_type;
614  }
615  cap->service_set |= regs->type.vbi_type;
616 
617  regs++;
618  }
619  return 0;
620 }
621 
622 /* Set vbi processing
623  * type - one of tvp5150_vbi_types
624  * line - line to gather data
625  * fields: bit 0 field1, bit 1, field2
626  * flags (default=0xf0) is a bitmask, were set means:
627  * bit 7: enable filtering null bytes on CC
628  * bit 6: send data also to FIFO
629  * bit 5: don't allow data with errors on FIFO
630  * bit 4: enable ECC when possible
631  * pix_align = pix alignment:
632  * LSB = field1
633  * MSB = field2
634  */
635 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
636  const struct i2c_vbi_ram_value *regs,
637  unsigned int type,u8 flags, int line,
638  const int fields)
639 {
640  struct tvp5150 *decoder = to_tvp5150(sd);
641  v4l2_std_id std = decoder->norm;
642  u8 reg;
643  int pos=0;
644 
645  if (std == V4L2_STD_ALL) {
646  v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
647  return 0;
648  } else if (std & V4L2_STD_625_50) {
649  /* Don't follow NTSC Line number convension */
650  line += 3;
651  }
652 
653  if (line<6||line>27)
654  return 0;
655 
656  while (regs->reg != (u16)-1 ) {
657  if ((type & regs->type.vbi_type) &&
658  (line>=regs->type.ini_line) &&
659  (line<=regs->type.end_line)) {
660  type=regs->type.vbi_type;
661  break;
662  }
663 
664  regs++;
665  pos++;
666  }
667  if (regs->reg == (u16)-1)
668  return 0;
669 
670  type=pos | (flags & 0xf0);
671  reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
672 
673  if (fields&1) {
674  tvp5150_write(sd, reg, type);
675  }
676 
677  if (fields&2) {
678  tvp5150_write(sd, reg+1, type);
679  }
680 
681  return type;
682 }
683 
684 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
685  const struct i2c_vbi_ram_value *regs, int line)
686 {
687  struct tvp5150 *decoder = to_tvp5150(sd);
688  v4l2_std_id std = decoder->norm;
689  u8 reg;
690  int pos, type = 0;
691  int i, ret = 0;
692 
693  if (std == V4L2_STD_ALL) {
694  v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
695  return 0;
696  } else if (std & V4L2_STD_625_50) {
697  /* Don't follow NTSC Line number convension */
698  line += 3;
699  }
700 
701  if (line < 6 || line > 27)
702  return 0;
703 
704  reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
705 
706  for (i = 0; i <= 1; i++) {
707  ret = tvp5150_read(sd, reg + i);
708  if (ret < 0) {
709  v4l2_err(sd, "%s: failed with error = %d\n",
710  __func__, ret);
711  return 0;
712  }
713  pos = ret & 0x0f;
714  if (pos < 0x0f)
715  type |= regs[pos].type.vbi_type;
716  }
717 
718  return type;
719 }
720 
721 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
722 {
723  struct tvp5150 *decoder = to_tvp5150(sd);
724  int fmt = 0;
725 
726  decoder->norm = std;
727 
728  /* First tests should be against specific std */
729 
730  if (std == V4L2_STD_ALL) {
731  fmt = VIDEO_STD_AUTO_SWITCH_BIT; /* Autodetect mode */
732  } else if (std & V4L2_STD_NTSC_443) {
733  fmt = VIDEO_STD_NTSC_4_43_BIT;
734  } else if (std & V4L2_STD_PAL_M) {
735  fmt = VIDEO_STD_PAL_M_BIT;
736  } else if (std & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) {
737  fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
738  } else {
739  /* Then, test against generic ones */
740  if (std & V4L2_STD_NTSC)
741  fmt = VIDEO_STD_NTSC_MJ_BIT;
742  else if (std & V4L2_STD_PAL)
743  fmt = VIDEO_STD_PAL_BDGHIN_BIT;
744  else if (std & V4L2_STD_SECAM)
745  fmt = VIDEO_STD_SECAM_BIT;
746  }
747 
748  v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
749  tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
750  return 0;
751 }
752 
753 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
754 {
755  struct tvp5150 *decoder = to_tvp5150(sd);
756 
757  if (decoder->norm == std)
758  return 0;
759 
760  /* Change cropping height limits */
761  if (std & V4L2_STD_525_60)
762  decoder->rect.height = TVP5150_V_MAX_525_60;
763  else
764  decoder->rect.height = TVP5150_V_MAX_OTHERS;
765 
766 
767  return tvp5150_set_std(sd, std);
768 }
769 
770 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
771 {
772  struct tvp5150 *decoder = to_tvp5150(sd);
773 
774  /* Initializes TVP5150 to its default values */
775  tvp5150_write_inittab(sd, tvp5150_init_default);
776 
777  /* Initializes VDP registers */
778  tvp5150_vdp_init(sd, vbi_ram_default);
779 
780  /* Selects decoder input */
781  tvp5150_selmux(sd);
782 
783  /* Initializes TVP5150 to stream enabled values */
784  tvp5150_write_inittab(sd, tvp5150_init_enable);
785 
786  /* Initialize image preferences */
787  v4l2_ctrl_handler_setup(&decoder->hdl);
788 
789  tvp5150_set_std(sd, decoder->norm);
790  return 0;
791 };
792 
793 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
794 {
795  struct v4l2_subdev *sd = to_sd(ctrl);
796 
797  switch (ctrl->id) {
798  case V4L2_CID_BRIGHTNESS:
799  tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
800  return 0;
801  case V4L2_CID_CONTRAST:
802  tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
803  return 0;
804  case V4L2_CID_SATURATION:
805  tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
806  return 0;
807  case V4L2_CID_HUE:
808  tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
809  return 0;
810  }
811  return -EINVAL;
812 }
813 
814 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
815 {
816  int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
817 
818  switch (val & 0x0F) {
819  case 0x01:
820  return V4L2_STD_NTSC;
821  case 0x03:
822  return V4L2_STD_PAL;
823  case 0x05:
824  return V4L2_STD_PAL_M;
825  case 0x07:
826  return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
827  case 0x09:
828  return V4L2_STD_NTSC_443;
829  case 0xb:
830  return V4L2_STD_SECAM;
831  default:
832  return V4L2_STD_UNKNOWN;
833  }
834 }
835 
836 static int tvp5150_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
837  enum v4l2_mbus_pixelcode *code)
838 {
839  if (index)
840  return -EINVAL;
841 
842  *code = V4L2_MBUS_FMT_UYVY8_2X8;
843  return 0;
844 }
845 
846 static int tvp5150_mbus_fmt(struct v4l2_subdev *sd,
847  struct v4l2_mbus_framefmt *f)
848 {
849  struct tvp5150 *decoder = to_tvp5150(sd);
850 
851  if (f == NULL)
852  return -EINVAL;
853 
854  tvp5150_reset(sd, 0);
855 
856  f->width = decoder->rect.width;
857  f->height = decoder->rect.height;
858 
859  f->code = V4L2_MBUS_FMT_UYVY8_2X8;
860  f->field = V4L2_FIELD_SEQ_TB;
861  f->colorspace = V4L2_COLORSPACE_SMPTE170M;
862 
863  v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
864  f->height);
865  return 0;
866 }
867 
868 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a)
869 {
870  struct v4l2_rect rect = a->c;
871  struct tvp5150 *decoder = to_tvp5150(sd);
872  v4l2_std_id std;
873  int hmax;
874 
875  v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
876  __func__, rect.left, rect.top, rect.width, rect.height);
877 
878  if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
879  return -EINVAL;
880 
881  /* tvp5150 has some special limits */
882  rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
883  rect.width = clamp(rect.width,
884  TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
885  TVP5150_H_MAX - rect.left);
886  rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
887 
888  /* Calculate height based on current standard */
889  if (decoder->norm == V4L2_STD_ALL)
890  std = tvp5150_read_std(sd);
891  else
892  std = decoder->norm;
893 
894  if (std & V4L2_STD_525_60)
895  hmax = TVP5150_V_MAX_525_60;
896  else
897  hmax = TVP5150_V_MAX_OTHERS;
898 
899  rect.height = clamp(rect.height,
900  hmax - TVP5150_MAX_CROP_TOP - rect.top,
901  hmax - rect.top);
902 
903  tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
904  tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
905  rect.top + rect.height - hmax);
906  tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
907  rect.left >> TVP5150_CROP_SHIFT);
908  tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
909  rect.left | (1 << TVP5150_CROP_SHIFT));
910  tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
911  (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
912  TVP5150_CROP_SHIFT);
913  tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
914  rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
915 
916  decoder->rect = rect;
917 
918  return 0;
919 }
920 
921 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
922 {
923  struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
924 
925  a->c = decoder->rect;
926  a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
927 
928  return 0;
929 }
930 
931 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
932 {
933  struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
934  v4l2_std_id std;
935 
936  if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
937  return -EINVAL;
938 
939  a->bounds.left = 0;
940  a->bounds.top = 0;
941  a->bounds.width = TVP5150_H_MAX;
942 
943  /* Calculate height based on current standard */
944  if (decoder->norm == V4L2_STD_ALL)
945  std = tvp5150_read_std(sd);
946  else
947  std = decoder->norm;
948 
949  if (std & V4L2_STD_525_60)
950  a->bounds.height = TVP5150_V_MAX_525_60;
951  else
952  a->bounds.height = TVP5150_V_MAX_OTHERS;
953 
954  a->defrect = a->bounds;
955  a->pixelaspect.numerator = 1;
956  a->pixelaspect.denominator = 1;
957 
958  return 0;
959 }
960 
961 /****************************************************************************
962  I2C Command
963  ****************************************************************************/
964 
965 static int tvp5150_s_routing(struct v4l2_subdev *sd,
966  u32 input, u32 output, u32 config)
967 {
968  struct tvp5150 *decoder = to_tvp5150(sd);
969 
970  decoder->input = input;
971  decoder->output = output;
972  tvp5150_selmux(sd);
973  return 0;
974 }
975 
976 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
977 {
978  /* this is for capturing 36 raw vbi lines
979  if there's a way to cut off the beginning 2 vbi lines
980  with the tvp5150 then the vbi line count could be lowered
981  to 17 lines/field again, although I couldn't find a register
982  which could do that cropping */
983  if (fmt->sample_format == V4L2_PIX_FMT_GREY)
984  tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
985  if (fmt->count[0] == 18 && fmt->count[1] == 18) {
986  tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
987  tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
988  }
989  return 0;
990 }
991 
992 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
993 {
994  int i;
995 
996  if (svbi->service_set != 0) {
997  for (i = 0; i <= 23; i++) {
998  svbi->service_lines[1][i] = 0;
999  svbi->service_lines[0][i] =
1000  tvp5150_set_vbi(sd, vbi_ram_default,
1001  svbi->service_lines[0][i], 0xf0, i, 3);
1002  }
1003  /* Enables FIFO */
1004  tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1005  } else {
1006  /* Disables FIFO*/
1007  tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1008 
1009  /* Disable Full Field */
1010  tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1011 
1012  /* Disable Line modes */
1013  for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1014  tvp5150_write(sd, i, 0xff);
1015  }
1016  return 0;
1017 }
1018 
1019 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1020 {
1021  int i, mask = 0;
1022 
1023  memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1024 
1025  for (i = 0; i <= 23; i++) {
1026  svbi->service_lines[0][i] =
1027  tvp5150_get_vbi(sd, vbi_ram_default, i);
1028  mask |= svbi->service_lines[0][i];
1029  }
1030  svbi->service_set = mask;
1031  return 0;
1032 }
1033 
1034 static int tvp5150_g_chip_ident(struct v4l2_subdev *sd,
1035  struct v4l2_dbg_chip_ident *chip)
1036 {
1037  int rev;
1038  struct i2c_client *client = v4l2_get_subdevdata(sd);
1039 
1040  rev = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER) << 8 |
1041  tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
1042 
1043  return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP5150,
1044  rev);
1045 }
1046 
1047 
1048 #ifdef CONFIG_VIDEO_ADV_DEBUG
1049 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1050 {
1051  int res;
1052 
1053  struct i2c_client *client = v4l2_get_subdevdata(sd);
1054 
1055  if (!v4l2_chip_match_i2c_client(client, &reg->match))
1056  return -EINVAL;
1057  if (!capable(CAP_SYS_ADMIN))
1058  return -EPERM;
1059  res = tvp5150_read(sd, reg->reg & 0xff);
1060  if (res < 0) {
1061  v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
1062  return res;
1063  }
1064 
1065  reg->val = res;
1066  reg->size = 1;
1067  return 0;
1068 }
1069 
1070 static int tvp5150_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1071 {
1072  struct i2c_client *client = v4l2_get_subdevdata(sd);
1073 
1074  if (!v4l2_chip_match_i2c_client(client, &reg->match))
1075  return -EINVAL;
1076  if (!capable(CAP_SYS_ADMIN))
1077  return -EPERM;
1078  tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1079  return 0;
1080 }
1081 #endif
1082 
1083 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1084 {
1085  int status = tvp5150_read(sd, 0x88);
1086 
1087  vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1088  return 0;
1089 }
1090 
1091 /* ----------------------------------------------------------------------- */
1092 
1093 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1094  .s_ctrl = tvp5150_s_ctrl,
1095 };
1096 
1097 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1098  .log_status = tvp5150_log_status,
1099  .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
1100  .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
1101  .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
1102  .g_ctrl = v4l2_subdev_g_ctrl,
1103  .s_ctrl = v4l2_subdev_s_ctrl,
1104  .queryctrl = v4l2_subdev_queryctrl,
1105  .querymenu = v4l2_subdev_querymenu,
1106  .s_std = tvp5150_s_std,
1107  .reset = tvp5150_reset,
1108  .g_chip_ident = tvp5150_g_chip_ident,
1109 #ifdef CONFIG_VIDEO_ADV_DEBUG
1110  .g_register = tvp5150_g_register,
1111  .s_register = tvp5150_s_register,
1112 #endif
1113 };
1114 
1115 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1116  .g_tuner = tvp5150_g_tuner,
1117 };
1118 
1119 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1120  .s_routing = tvp5150_s_routing,
1121  .enum_mbus_fmt = tvp5150_enum_mbus_fmt,
1122  .s_mbus_fmt = tvp5150_mbus_fmt,
1123  .try_mbus_fmt = tvp5150_mbus_fmt,
1124  .g_mbus_fmt = tvp5150_mbus_fmt,
1125  .s_crop = tvp5150_s_crop,
1126  .g_crop = tvp5150_g_crop,
1127  .cropcap = tvp5150_cropcap,
1128 };
1129 
1130 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1131  .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1132  .g_sliced_fmt = tvp5150_g_sliced_fmt,
1133  .s_sliced_fmt = tvp5150_s_sliced_fmt,
1134  .s_raw_fmt = tvp5150_s_raw_fmt,
1135 };
1136 
1137 static const struct v4l2_subdev_ops tvp5150_ops = {
1138  .core = &tvp5150_core_ops,
1139  .tuner = &tvp5150_tuner_ops,
1140  .video = &tvp5150_video_ops,
1141  .vbi = &tvp5150_vbi_ops,
1142 };
1143 
1144 
1145 /****************************************************************************
1146  I2C Client & Driver
1147  ****************************************************************************/
1148 
1149 static int tvp5150_probe(struct i2c_client *c,
1150  const struct i2c_device_id *id)
1151 {
1152  struct tvp5150 *core;
1153  struct v4l2_subdev *sd;
1154  int tvp5150_id[4];
1155  int i, res;
1156 
1157  /* Check if the adapter supports the needed features */
1158  if (!i2c_check_functionality(c->adapter,
1159  I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1160  return -EIO;
1161 
1162  core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1163  if (!core) {
1164  return -ENOMEM;
1165  }
1166  sd = &core->sd;
1167  v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1168 
1169  /*
1170  * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1171  * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1172  */
1173  for (i = 0; i < 4; i++) {
1174  res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1175  if (res < 0)
1176  goto free_core;
1177  tvp5150_id[i] = res;
1178  }
1179 
1180  v4l_info(c, "chip found @ 0x%02x (%s)\n",
1181  c->addr << 1, c->adapter->name);
1182 
1183  if (tvp5150_id[2] == 4 && tvp5150_id[3] == 0) { /* Is TVP5150AM1 */
1184  v4l2_info(sd, "tvp%02x%02xam1 detected.\n",
1185  tvp5150_id[0], tvp5150_id[1]);
1186 
1187  /* ITU-T BT.656.4 timing */
1188  tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1189  } else {
1190  /* Is TVP5150A */
1191  if (tvp5150_id[2] == 3 || tvp5150_id[3] == 0x21) {
1192  v4l2_info(sd, "tvp%02x%02xa detected.\n",
1193  tvp5150_id[2], tvp5150_id[3]);
1194  } else {
1195  v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n",
1196  tvp5150_id[2], tvp5150_id[3]);
1197  v4l2_info(sd, "*** Rom ver is %d.%d\n",
1198  tvp5150_id[2], tvp5150_id[3]);
1199  }
1200  }
1201 
1202  core->norm = V4L2_STD_ALL; /* Default is autodetect */
1203  core->input = TVP5150_COMPOSITE1;
1204  core->enable = 1;
1205 
1206  v4l2_ctrl_handler_init(&core->hdl, 4);
1207  v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1208  V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1209  v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1210  V4L2_CID_CONTRAST, 0, 255, 1, 128);
1211  v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1212  V4L2_CID_SATURATION, 0, 255, 1, 128);
1213  v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1214  V4L2_CID_HUE, -128, 127, 1, 0);
1215  sd->ctrl_handler = &core->hdl;
1216  if (core->hdl.error) {
1217  res = core->hdl.error;
1218  v4l2_ctrl_handler_free(&core->hdl);
1219  goto free_core;
1220  }
1221  v4l2_ctrl_handler_setup(&core->hdl);
1222 
1223  /* Default is no cropping */
1224  core->rect.top = 0;
1225  if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1226  core->rect.height = TVP5150_V_MAX_525_60;
1227  else
1228  core->rect.height = TVP5150_V_MAX_OTHERS;
1229  core->rect.left = 0;
1230  core->rect.width = TVP5150_H_MAX;
1231 
1232  if (debug > 1)
1233  tvp5150_log_status(sd);
1234  return 0;
1235 
1236 free_core:
1237  kfree(core);
1238  return res;
1239 }
1240 
1241 static int tvp5150_remove(struct i2c_client *c)
1242 {
1243  struct v4l2_subdev *sd = i2c_get_clientdata(c);
1244  struct tvp5150 *decoder = to_tvp5150(sd);
1245 
1246  v4l2_dbg(1, debug, sd,
1247  "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1248  c->addr << 1);
1249 
1250  v4l2_device_unregister_subdev(sd);
1251  v4l2_ctrl_handler_free(&decoder->hdl);
1252  kfree(to_tvp5150(sd));
1253  return 0;
1254 }
1255 
1256 /* ----------------------------------------------------------------------- */
1257 
1258 static const struct i2c_device_id tvp5150_id[] = {
1259  { "tvp5150", 0 },
1260  { }
1261 };
1262 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1263 
1264 static struct i2c_driver tvp5150_driver = {
1265  .driver = {
1266  .owner = THIS_MODULE,
1267  .name = "tvp5150",
1268  },
1269  .probe = tvp5150_probe,
1270  .remove = tvp5150_remove,
1271  .id_table = tvp5150_id,
1272 };
1273 
1274 module_i2c_driver(tvp5150_driver);
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