GNU Linux-libre 5.10.153-gnu1
[releases.git] / drivers / media / i2c / tvp5150.c
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver
4 //
5 // Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@kernel.org>
6
7 #include <dt-bindings/media/tvp5150.h>
8 #include <linux/i2c.h>
9 #include <linux/slab.h>
10 #include <linux/videodev2.h>
11 #include <linux/delay.h>
12 #include <linux/gpio/consumer.h>
13 #include <linux/interrupt.h>
14 #include <linux/module.h>
15 #include <linux/of_graph.h>
16 #include <linux/pm_runtime.h>
17 #include <linux/regmap.h>
18 #include <media/v4l2-async.h>
19 #include <media/v4l2-device.h>
20 #include <media/v4l2-event.h>
21 #include <media/v4l2-ctrls.h>
22 #include <media/v4l2-fwnode.h>
23 #include <media/v4l2-mc.h>
24 #include <media/v4l2-rect.h>
25
26 #include "tvp5150_reg.h"
27
28 #define TVP5150_H_MAX           720U
29 #define TVP5150_V_MAX_525_60    480U
30 #define TVP5150_V_MAX_OTHERS    576U
31 #define TVP5150_MAX_CROP_LEFT   511
32 #define TVP5150_MAX_CROP_TOP    127
33 #define TVP5150_CROP_SHIFT      2
34 #define TVP5150_MBUS_FMT        MEDIA_BUS_FMT_UYVY8_2X8
35 #define TVP5150_FIELD           V4L2_FIELD_ALTERNATE
36 #define TVP5150_COLORSPACE      V4L2_COLORSPACE_SMPTE170M
37 #define TVP5150_STD_MASK        (V4L2_STD_NTSC     | \
38                                  V4L2_STD_NTSC_443 | \
39                                  V4L2_STD_PAL      | \
40                                  V4L2_STD_PAL_M    | \
41                                  V4L2_STD_PAL_N    | \
42                                  V4L2_STD_PAL_Nc   | \
43                                  V4L2_STD_SECAM)
44
45 #define TVP5150_MAX_CONNECTORS  3 /* Check dt-bindings for more information */
46
47 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
48 MODULE_AUTHOR("Mauro Carvalho Chehab");
49 MODULE_LICENSE("GPL v2");
50
51
52 static int debug;
53 module_param(debug, int, 0644);
54 MODULE_PARM_DESC(debug, "Debug level (0-2)");
55
56 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
57
58 enum tvp5150_pads {
59         TVP5150_PAD_AIP1A,
60         TVP5150_PAD_AIP1B,
61         TVP5150_PAD_VID_OUT,
62         TVP5150_NUM_PADS
63 };
64
65 struct tvp5150_connector {
66         struct v4l2_fwnode_connector base;
67         struct media_entity ent;
68         struct media_pad pad;
69 };
70
71 struct tvp5150 {
72         struct v4l2_subdev sd;
73
74         struct media_pad pads[TVP5150_NUM_PADS];
75         struct tvp5150_connector connectors[TVP5150_MAX_CONNECTORS];
76         struct tvp5150_connector *cur_connector;
77         unsigned int connectors_num;
78
79         struct v4l2_ctrl_handler hdl;
80         struct v4l2_rect rect;
81         struct regmap *regmap;
82         int irq;
83
84         v4l2_std_id norm;       /* Current set standard */
85         v4l2_std_id detected_norm;
86         u32 input;
87         u32 output;
88         u32 oe;
89         int enable;
90         bool lock;
91
92         u16 dev_id;
93         u16 rom_ver;
94
95         enum v4l2_mbus_type mbus_type;
96 };
97
98 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
99 {
100         return container_of(sd, struct tvp5150, sd);
101 }
102
103 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
104 {
105         return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
106 }
107
108 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
109 {
110         struct tvp5150 *decoder = to_tvp5150(sd);
111         int ret, val;
112
113         ret = regmap_read(decoder->regmap, addr, &val);
114         if (ret < 0)
115                 return ret;
116
117         return val;
118 }
119
120 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
121                                 const u8 end, int max_line)
122 {
123         u8 buf[16];
124         int i = 0, j, len;
125
126         if (max_line > 16) {
127                 dprintk0(sd->dev, "too much data to dump\n");
128                 return;
129         }
130
131         for (i = init; i < end; i += max_line) {
132                 len = (end - i > max_line) ? max_line : end - i;
133
134                 for (j = 0; j < len; j++)
135                         buf[j] = tvp5150_read(sd, i + j);
136
137                 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
138         }
139 }
140
141 static int tvp5150_log_status(struct v4l2_subdev *sd)
142 {
143         dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
144                 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
145         dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
146                 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
147         dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
148                 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
149         dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
150                 tvp5150_read(sd, TVP5150_MISC_CTL));
151         dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
152                 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
153         dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
154                 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
155         dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
156                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
157                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
158                 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
159         dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
160                 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
161         dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
162                 tvp5150_read(sd, TVP5150_SATURATION_CTL));
163         dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
164                 tvp5150_read(sd, TVP5150_HUE_CTL));
165         dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
166                 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
167         dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
168                 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
169         dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
170                 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
171         dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
172                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
173                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
174         dprintk0(sd->dev, "tvp5150: Active video cropping stop  = 0x%02x%02x\n",
175                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
176                 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
177         dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
178                 tvp5150_read(sd, TVP5150_GENLOCK));
179         dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
180                 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
181         dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
182                 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
183         dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
184                 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
185         dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
186                 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
187                 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
188         dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
189                 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
190         dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
191                 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
192         dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
193                 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
194         dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
195                 tvp5150_read(sd, TVP5150_VIDEO_STD));
196         dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
197                 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
198                 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
199         dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
200                 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
201         dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
202                 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
203         dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
204                 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
205         dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
206                 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
207                 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
208         dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
209                 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
210                 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
211         dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
212                 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
213                 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
214         dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
215                 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
216         dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
217                 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
218         dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
219                 tvp5150_read(sd, TVP5150_STATUS_REG_1),
220                 tvp5150_read(sd, TVP5150_STATUS_REG_2),
221                 tvp5150_read(sd, TVP5150_STATUS_REG_3),
222                 tvp5150_read(sd, TVP5150_STATUS_REG_4),
223                 tvp5150_read(sd, TVP5150_STATUS_REG_5));
224
225         dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
226                         TVP5150_TELETEXT_FIL1_END, 8);
227         dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
228                         TVP5150_TELETEXT_FIL2_END, 8);
229
230         dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
231                 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
232         dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
233                 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
234         dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
235                 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
236         dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
237                 tvp5150_read(sd, TVP5150_INT_CONF));
238         dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
239                 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
240         dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
241                 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
242         dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
243                 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
244         dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
245                 tvp5150_read(sd, TVP5150_FIFO_RESET));
246         dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
247                 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
248         dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
249                 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
250                 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
251         dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
252                 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
253         dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
254                 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
255         dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
256                 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
257
258         dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
259                         TVP5150_CC_DATA_END, 8);
260
261         dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
262                         TVP5150_WSS_DATA_END, 8);
263
264         dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
265                         TVP5150_VPS_DATA_END, 8);
266
267         dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
268                         TVP5150_VITC_DATA_END, 10);
269
270         dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
271                         TVP5150_LINE_MODE_END, 8);
272         return 0;
273 }
274
275 /****************************************************************************
276                         Basic functions
277  ****************************************************************************/
278
279 static void tvp5150_selmux(struct v4l2_subdev *sd)
280 {
281         int opmode = 0;
282         struct tvp5150 *decoder = to_tvp5150(sd);
283         unsigned int mask, val;
284         int input = 0;
285
286         /* Only tvp5150am1 and tvp5151 have signal generator support */
287         if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
288             (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
289                 if (!decoder->enable)
290                         input = 8;
291         }
292
293         switch (decoder->input) {
294         case TVP5150_COMPOSITE1:
295                 input |= 2;
296                 fallthrough;
297         case TVP5150_COMPOSITE0:
298                 break;
299         case TVP5150_SVIDEO:
300         default:
301                 input |= 1;
302                 break;
303         }
304
305         dev_dbg_lvl(sd->dev, 1, debug,
306                     "Selecting video route: route input=%s, output=%s => tvp5150 input=0x%02x, opmode=0x%02x\n",
307                     decoder->input == 0 ? "aip1a" :
308                     decoder->input == 2 ? "aip1b" : "svideo",
309                     decoder->output == 0 ? "normal" : "black-frame-gen",
310                     input, opmode);
311
312         regmap_write(decoder->regmap, TVP5150_OP_MODE_CTL, opmode);
313         regmap_write(decoder->regmap, TVP5150_VD_IN_SRC_SEL_1, input);
314
315         /*
316          * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
317          * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
318          * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
319          * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
320          * INTREQ/GPCL/VBLK to logic 1.
321          */
322         mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK;
323         if (decoder->input == TVP5150_SVIDEO)
324                 val = TVP5150_MISC_CTL_HVLK;
325         else
326                 val = TVP5150_MISC_CTL_GPCL;
327         regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
328 };
329
330 struct i2c_reg_value {
331         unsigned char reg;
332         unsigned char value;
333 };
334
335 /* Default values as sugested at TVP5150AM1 datasheet */
336 static const struct i2c_reg_value tvp5150_init_default[] = {
337         { /* 0x00 */
338                 TVP5150_VD_IN_SRC_SEL_1, 0x00
339         },
340         { /* 0x01 */
341                 TVP5150_ANAL_CHL_CTL, 0x15
342         },
343         { /* 0x02 */
344                 TVP5150_OP_MODE_CTL, 0x00
345         },
346         { /* 0x03 */
347                 TVP5150_MISC_CTL, 0x01
348         },
349         { /* 0x06 */
350                 TVP5150_COLOR_KIL_THSH_CTL, 0x10
351         },
352         { /* 0x07 */
353                 TVP5150_LUMA_PROC_CTL_1, 0x60
354         },
355         { /* 0x08 */
356                 TVP5150_LUMA_PROC_CTL_2, 0x00
357         },
358         { /* 0x09 */
359                 TVP5150_BRIGHT_CTL, 0x80
360         },
361         { /* 0x0a */
362                 TVP5150_SATURATION_CTL, 0x80
363         },
364         { /* 0x0b */
365                 TVP5150_HUE_CTL, 0x00
366         },
367         { /* 0x0c */
368                 TVP5150_CONTRAST_CTL, 0x80
369         },
370         { /* 0x0d */
371                 TVP5150_DATA_RATE_SEL, 0x47
372         },
373         { /* 0x0e */
374                 TVP5150_LUMA_PROC_CTL_3, 0x00
375         },
376         { /* 0x0f */
377                 TVP5150_CONF_SHARED_PIN, 0x08
378         },
379         { /* 0x11 */
380                 TVP5150_ACT_VD_CROP_ST_MSB, 0x00
381         },
382         { /* 0x12 */
383                 TVP5150_ACT_VD_CROP_ST_LSB, 0x00
384         },
385         { /* 0x13 */
386                 TVP5150_ACT_VD_CROP_STP_MSB, 0x00
387         },
388         { /* 0x14 */
389                 TVP5150_ACT_VD_CROP_STP_LSB, 0x00
390         },
391         { /* 0x15 */
392                 TVP5150_GENLOCK, 0x01
393         },
394         { /* 0x16 */
395                 TVP5150_HORIZ_SYNC_START, 0x80
396         },
397         { /* 0x18 */
398                 TVP5150_VERT_BLANKING_START, 0x00
399         },
400         { /* 0x19 */
401                 TVP5150_VERT_BLANKING_STOP, 0x00
402         },
403         { /* 0x1a */
404                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
405         },
406         { /* 0x1b */
407                 TVP5150_CHROMA_PROC_CTL_2, 0x14
408         },
409         { /* 0x1c */
410                 TVP5150_INT_RESET_REG_B, 0x00
411         },
412         { /* 0x1d */
413                 TVP5150_INT_ENABLE_REG_B, 0x00
414         },
415         { /* 0x1e */
416                 TVP5150_INTT_CONFIG_REG_B, 0x00
417         },
418         { /* 0x28 */
419                 TVP5150_VIDEO_STD, 0x00
420         },
421         { /* 0x2e */
422                 TVP5150_MACROVISION_ON_CTR, 0x0f
423         },
424         { /* 0x2f */
425                 TVP5150_MACROVISION_OFF_CTR, 0x01
426         },
427         { /* 0xbb */
428                 TVP5150_TELETEXT_FIL_ENA, 0x00
429         },
430         { /* 0xc0 */
431                 TVP5150_INT_STATUS_REG_A, 0x00
432         },
433         { /* 0xc1 */
434                 TVP5150_INT_ENABLE_REG_A, 0x00
435         },
436         { /* 0xc2 */
437                 TVP5150_INT_CONF, 0x04
438         },
439         { /* 0xc8 */
440                 TVP5150_FIFO_INT_THRESHOLD, 0x80
441         },
442         { /* 0xc9 */
443                 TVP5150_FIFO_RESET, 0x00
444         },
445         { /* 0xca */
446                 TVP5150_LINE_NUMBER_INT, 0x00
447         },
448         { /* 0xcb */
449                 TVP5150_PIX_ALIGN_REG_LOW, 0x4e
450         },
451         { /* 0xcc */
452                 TVP5150_PIX_ALIGN_REG_HIGH, 0x00
453         },
454         { /* 0xcd */
455                 TVP5150_FIFO_OUT_CTRL, 0x01
456         },
457         { /* 0xcf */
458                 TVP5150_FULL_FIELD_ENA, 0x00
459         },
460         { /* 0xd0 */
461                 TVP5150_LINE_MODE_INI, 0x00
462         },
463         { /* 0xfc */
464                 TVP5150_FULL_FIELD_MODE_REG, 0x7f
465         },
466         { /* end of data */
467                 0xff, 0xff
468         }
469 };
470
471 /* Default values as sugested at TVP5150AM1 datasheet */
472 static const struct i2c_reg_value tvp5150_init_enable[] = {
473         {       /* Automatic offset and AGC enabled */
474                 TVP5150_ANAL_CHL_CTL, 0x15
475         }, {    /* Activate YCrCb output 0x9 or 0xd ? */
476                 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
477                                   TVP5150_MISC_CTL_INTREQ_OE |
478                                   TVP5150_MISC_CTL_YCBCR_OE |
479                                   TVP5150_MISC_CTL_SYNC_OE |
480                                   TVP5150_MISC_CTL_VBLANK |
481                                   TVP5150_MISC_CTL_CLOCK_OE,
482         }, {    /* Activates video std autodetection for all standards */
483                 TVP5150_AUTOSW_MSK, 0x0
484         }, {    /* Default format: 0x47. For 4:2:2: 0x40 */
485                 TVP5150_DATA_RATE_SEL, 0x47
486         }, {
487                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
488         }, {
489                 TVP5150_CHROMA_PROC_CTL_2, 0x54
490         }, {    /* Non documented, but initialized on WinTV USB2 */
491                 0x27, 0x20
492         }, {
493                 0xff, 0xff
494         }
495 };
496
497 struct tvp5150_vbi_type {
498         unsigned int vbi_type;
499         unsigned int ini_line;
500         unsigned int end_line;
501         unsigned int by_field :1;
502 };
503
504 struct i2c_vbi_ram_value {
505         u16 reg;
506         struct tvp5150_vbi_type type;
507         unsigned char values[16];
508 };
509
510 /* This struct have the values for each supported VBI Standard
511  * by
512  tvp5150_vbi_types should follow the same order as vbi_ram_default
513  * value 0 means rom position 0x10, value 1 means rom position 0x30
514  * and so on. There are 16 possible locations from 0 to 15.
515  */
516
517 static struct i2c_vbi_ram_value vbi_ram_default[] = {
518
519         /*
520          * FIXME: Current api doesn't handle all VBI types, those not
521          * yet supported are placed under #if 0
522          */
523 #if 0
524         [0] = {0x010, /* Teletext, SECAM, WST System A */
525                 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},
526                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
527                   0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
528         },
529 #endif
530         [1] = {0x030, /* Teletext, PAL, WST System B */
531                 {V4L2_SLICED_TELETEXT_B, 6, 22, 1},
532                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
533                   0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
534         },
535 #if 0
536         [2] = {0x050, /* Teletext, PAL, WST System C */
537                 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},
538                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
539                   0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
540         },
541         [3] = {0x070, /* Teletext, NTSC, WST System B */
542                 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},
543                 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
544                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
545         },
546         [4] = {0x090, /* Tetetext, NTSC NABTS System C */
547                 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},
548                 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
549                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
550         },
551         [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
552                 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},
553                 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
554                   0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
555         },
556         [6] = {0x0d0, /* Closed Caption, PAL/SECAM */
557                 {V4L2_SLICED_CAPTION_625, 22, 22, 1},
558                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
559                   0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
560         },
561 #endif
562         [7] = {0x0f0, /* Closed Caption, NTSC */
563                 {V4L2_SLICED_CAPTION_525, 21, 21, 1},
564                 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
565                   0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
566         },
567         [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
568                 {V4L2_SLICED_WSS_625, 23, 23, 1},
569                 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
570                   0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
571         },
572 #if 0
573         [9] = {0x130, /* Wide Screen Signal, NTSC C */
574                 {V4L2_SLICED_WSS_525, 20, 20, 1},
575                 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
576                   0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
577         },
578         [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
579                 {V4l2_SLICED_VITC_625, 6, 22, 0},
580                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
581                   0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
582         },
583         [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
584                 {V4l2_SLICED_VITC_525, 10, 20, 0},
585                 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
586                   0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
587         },
588 #endif
589         [12] = {0x190, /* Video Program System (VPS), PAL */
590                 {V4L2_SLICED_VPS, 16, 16, 0},
591                 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
592                   0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
593         },
594         /* 0x1d0 User programmable */
595 };
596
597 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
598                                 const struct i2c_reg_value *regs)
599 {
600         struct tvp5150 *decoder = to_tvp5150(sd);
601
602         while (regs->reg != 0xff) {
603                 regmap_write(decoder->regmap, regs->reg, regs->value);
604                 regs++;
605         }
606         return 0;
607 }
608
609 static int tvp5150_vdp_init(struct v4l2_subdev *sd)
610 {
611         struct tvp5150 *decoder = to_tvp5150(sd);
612         struct regmap *map = decoder->regmap;
613         unsigned int i;
614         int j;
615
616         /* Disable Full Field */
617         regmap_write(map, TVP5150_FULL_FIELD_ENA, 0);
618
619         /* Before programming, Line mode should be at 0xff */
620         for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
621                 regmap_write(map, i, 0xff);
622
623         /* Load Ram Table */
624         for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
625                 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
626
627                 if (!regs->type.vbi_type)
628                         continue;
629
630                 regmap_write(map, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
631                 regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
632
633                 for (i = 0; i < 16; i++)
634                         regmap_write(map, TVP5150_VDP_CONF_RAM_DATA,
635                                      regs->values[i]);
636         }
637         return 0;
638 }
639
640 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
641 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
642                                 struct v4l2_sliced_vbi_cap *cap)
643 {
644         int line, i;
645
646         dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
647         memset(cap, 0, sizeof(*cap));
648
649         for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
650                 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
651
652                 if (!regs->type.vbi_type)
653                         continue;
654
655                 for (line = regs->type.ini_line;
656                      line <= regs->type.end_line;
657                      line++) {
658                         cap->service_lines[0][line] |= regs->type.vbi_type;
659                 }
660                 cap->service_set |= regs->type.vbi_type;
661         }
662         return 0;
663 }
664
665 /* Set vbi processing
666  * type - one of tvp5150_vbi_types
667  * line - line to gather data
668  * fields: bit 0 field1, bit 1, field2
669  * flags (default=0xf0) is a bitmask, were set means:
670  *      bit 7: enable filtering null bytes on CC
671  *      bit 6: send data also to FIFO
672  *      bit 5: don't allow data with errors on FIFO
673  *      bit 4: enable ECC when possible
674  * pix_align = pix alignment:
675  *      LSB = field1
676  *      MSB = field2
677  */
678 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
679                         unsigned int type, u8 flags, int line,
680                         const int fields)
681 {
682         struct tvp5150 *decoder = to_tvp5150(sd);
683         v4l2_std_id std = decoder->norm;
684         u8 reg;
685         int i, pos = 0;
686
687         if (std == V4L2_STD_ALL) {
688                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
689                 return 0;
690         } else if (std & V4L2_STD_625_50) {
691                 /* Don't follow NTSC Line number convension */
692                 line += 3;
693         }
694
695         if (line < 6 || line > 27)
696                 return 0;
697
698         for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
699                 const struct i2c_vbi_ram_value *regs =  &vbi_ram_default[i];
700
701                 if (!regs->type.vbi_type)
702                         continue;
703
704                 if ((type & regs->type.vbi_type) &&
705                     (line >= regs->type.ini_line) &&
706                     (line <= regs->type.end_line))
707                         break;
708                 pos++;
709         }
710
711         type = pos | (flags & 0xf0);
712         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
713
714         if (fields & 1)
715                 regmap_write(decoder->regmap, reg, type);
716
717         if (fields & 2)
718                 regmap_write(decoder->regmap, reg + 1, type);
719
720         return type;
721 }
722
723 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
724 {
725         struct tvp5150 *decoder = to_tvp5150(sd);
726         v4l2_std_id std = decoder->norm;
727         u8 reg;
728         int pos, type = 0;
729         int i, ret = 0;
730
731         if (std == V4L2_STD_ALL) {
732                 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
733                 return 0;
734         } else if (std & V4L2_STD_625_50) {
735                 /* Don't follow NTSC Line number convension */
736                 line += 3;
737         }
738
739         if (line < 6 || line > 27)
740                 return 0;
741
742         reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
743
744         for (i = 0; i <= 1; i++) {
745                 ret = tvp5150_read(sd, reg + i);
746                 if (ret < 0) {
747                         dev_err(sd->dev, "%s: failed with error = %d\n",
748                                  __func__, ret);
749                         return 0;
750                 }
751                 pos = ret & 0x0f;
752                 if (pos < ARRAY_SIZE(vbi_ram_default))
753                         type |= vbi_ram_default[pos].type.vbi_type;
754         }
755
756         return type;
757 }
758
759 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
760 {
761         struct tvp5150 *decoder = to_tvp5150(sd);
762         int fmt = 0;
763
764         /* First tests should be against specific std */
765
766         if (std == V4L2_STD_NTSC_443) {
767                 fmt = VIDEO_STD_NTSC_4_43_BIT;
768         } else if (std == V4L2_STD_PAL_M) {
769                 fmt = VIDEO_STD_PAL_M_BIT;
770         } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
771                 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
772         } else {
773                 /* Then, test against generic ones */
774                 if (std & V4L2_STD_NTSC)
775                         fmt = VIDEO_STD_NTSC_MJ_BIT;
776                 else if (std & V4L2_STD_PAL)
777                         fmt = VIDEO_STD_PAL_BDGHIN_BIT;
778                 else if (std & V4L2_STD_SECAM)
779                         fmt = VIDEO_STD_SECAM_BIT;
780         }
781
782         dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
783         regmap_write(decoder->regmap, TVP5150_VIDEO_STD, fmt);
784         return 0;
785 }
786
787 static int tvp5150_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
788 {
789         struct tvp5150 *decoder = to_tvp5150(sd);
790
791         *std = decoder->norm;
792
793         return 0;
794 }
795
796 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
797 {
798         struct tvp5150 *decoder = to_tvp5150(sd);
799         struct tvp5150_connector *cur_con = decoder->cur_connector;
800         v4l2_std_id supported_stds;
801
802         if (decoder->norm == std)
803                 return 0;
804
805         /* In case of no of-connectors are available no limitations are made */
806         if (!decoder->connectors_num)
807                 supported_stds = V4L2_STD_ALL;
808         else
809                 supported_stds = cur_con->base.connector.analog.sdtv_stds;
810
811         /*
812          * Check if requested std or group of std's is/are supported by the
813          * connector.
814          */
815         if ((supported_stds & std) == 0)
816                 return -EINVAL;
817
818         /* Change cropping height limits */
819         if (std & V4L2_STD_525_60)
820                 decoder->rect.height = TVP5150_V_MAX_525_60;
821         else
822                 decoder->rect.height = TVP5150_V_MAX_OTHERS;
823
824         /* Set only the specific supported std in case of group of std's. */
825         decoder->norm = supported_stds & std;
826
827         return tvp5150_set_std(sd, std);
828 }
829
830 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
831 {
832         int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
833
834         switch (val & 0x0F) {
835         case 0x01:
836                 return V4L2_STD_NTSC;
837         case 0x03:
838                 return V4L2_STD_PAL;
839         case 0x05:
840                 return V4L2_STD_PAL_M;
841         case 0x07:
842                 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
843         case 0x09:
844                 return V4L2_STD_NTSC_443;
845         case 0xb:
846                 return V4L2_STD_SECAM;
847         default:
848                 return V4L2_STD_UNKNOWN;
849         }
850 }
851
852 static int query_lock(struct v4l2_subdev *sd)
853 {
854         struct tvp5150 *decoder = to_tvp5150(sd);
855         int status;
856
857         if (decoder->irq)
858                 return decoder->lock;
859
860         regmap_read(decoder->regmap, TVP5150_STATUS_REG_1, &status);
861
862         /* For standard detection, we need the 3 locks */
863         return (status & 0x0e) == 0x0e;
864 }
865
866 static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
867 {
868         *std_id = query_lock(sd) ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN;
869
870         return 0;
871 }
872
873 static const struct v4l2_event tvp5150_ev_fmt = {
874         .type = V4L2_EVENT_SOURCE_CHANGE,
875         .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
876 };
877
878 static irqreturn_t tvp5150_isr(int irq, void *dev_id)
879 {
880         struct tvp5150 *decoder = dev_id;
881         struct regmap *map = decoder->regmap;
882         unsigned int mask, active = 0, status = 0;
883
884         mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
885                TVP5150_MISC_CTL_CLOCK_OE;
886
887         regmap_read(map, TVP5150_INT_STATUS_REG_A, &status);
888         if (status) {
889                 regmap_write(map, TVP5150_INT_STATUS_REG_A, status);
890
891                 if (status & TVP5150_INT_A_LOCK) {
892                         decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS);
893                         dev_dbg_lvl(decoder->sd.dev, 1, debug,
894                                     "sync lo%s signal\n",
895                                     decoder->lock ? "ck" : "ss");
896                         v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
897                         regmap_update_bits(map, TVP5150_MISC_CTL, mask,
898                                            decoder->lock ? decoder->oe : 0);
899                 }
900
901                 return IRQ_HANDLED;
902         }
903
904         regmap_read(map, TVP5150_INT_ACTIVE_REG_B, &active);
905         if (active) {
906                 status = 0;
907                 regmap_read(map, TVP5150_INT_STATUS_REG_B, &status);
908                 if (status)
909                         regmap_write(map, TVP5150_INT_RESET_REG_B, status);
910         }
911
912         return IRQ_HANDLED;
913 }
914
915 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
916 {
917         struct tvp5150 *decoder = to_tvp5150(sd);
918         struct regmap *map = decoder->regmap;
919
920         /* Initializes TVP5150 to its default values */
921         tvp5150_write_inittab(sd, tvp5150_init_default);
922
923         if (decoder->irq) {
924                 /* Configure pins: FID, VSYNC, INTREQ, SCLK */
925                 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x0);
926                 /* Set interrupt polarity to active high */
927                 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE | 0x1);
928                 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x1);
929         } else {
930                 /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */
931                 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x2);
932                 /* Keep interrupt polarity active low */
933                 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE);
934                 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x0);
935         }
936
937         /* Initializes VDP registers */
938         tvp5150_vdp_init(sd);
939
940         /* Selects decoder input */
941         tvp5150_selmux(sd);
942
943         /* Initialize image preferences */
944         v4l2_ctrl_handler_setup(&decoder->hdl);
945
946         return 0;
947 }
948
949 static int tvp5150_enable(struct v4l2_subdev *sd)
950 {
951         struct tvp5150 *decoder = to_tvp5150(sd);
952         v4l2_std_id std;
953
954         /* Initializes TVP5150 to stream enabled values */
955         tvp5150_write_inittab(sd, tvp5150_init_enable);
956
957         if (decoder->norm == V4L2_STD_ALL)
958                 std = tvp5150_read_std(sd);
959         else
960                 std = decoder->norm;
961
962         /* Disable autoswitch mode */
963         tvp5150_set_std(sd, std);
964
965         /*
966          * Enable the YCbCr and clock outputs. In discrete sync mode
967          * (non-BT.656) additionally enable the the sync outputs.
968          */
969         switch (decoder->mbus_type) {
970         case V4L2_MBUS_PARALLEL:
971                 /* 8-bit 4:2:2 YUV with discrete sync output */
972                 regmap_update_bits(decoder->regmap, TVP5150_DATA_RATE_SEL,
973                                    0x7, 0x0);
974                 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
975                               TVP5150_MISC_CTL_CLOCK_OE |
976                               TVP5150_MISC_CTL_SYNC_OE;
977                 break;
978         case V4L2_MBUS_BT656:
979                 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
980                               TVP5150_MISC_CTL_CLOCK_OE;
981                 break;
982         default:
983                 return -EINVAL;
984         }
985
986         return 0;
987 };
988
989 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
990 {
991         struct v4l2_subdev *sd = to_sd(ctrl);
992         struct tvp5150 *decoder = to_tvp5150(sd);
993
994         switch (ctrl->id) {
995         case V4L2_CID_BRIGHTNESS:
996                 regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val);
997                 return 0;
998         case V4L2_CID_CONTRAST:
999                 regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val);
1000                 return 0;
1001         case V4L2_CID_SATURATION:
1002                 regmap_write(decoder->regmap, TVP5150_SATURATION_CTL,
1003                              ctrl->val);
1004                 return 0;
1005         case V4L2_CID_HUE:
1006                 regmap_write(decoder->regmap, TVP5150_HUE_CTL, ctrl->val);
1007                 return 0;
1008         case V4L2_CID_TEST_PATTERN:
1009                 decoder->enable = ctrl->val ? false : true;
1010                 tvp5150_selmux(sd);
1011                 return 0;
1012         }
1013         return -EINVAL;
1014 }
1015
1016 static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)
1017 {
1018         /* Default is no cropping */
1019         crop->top = 0;
1020         crop->left = 0;
1021         crop->width = TVP5150_H_MAX;
1022         if (std & V4L2_STD_525_60)
1023                 crop->height = TVP5150_V_MAX_525_60;
1024         else
1025                 crop->height = TVP5150_V_MAX_OTHERS;
1026 }
1027
1028 static struct v4l2_rect *
1029 tvp5150_get_pad_crop(struct tvp5150 *decoder,
1030                      struct v4l2_subdev_pad_config *cfg, unsigned int pad,
1031                      enum v4l2_subdev_format_whence which)
1032 {
1033         switch (which) {
1034         case V4L2_SUBDEV_FORMAT_ACTIVE:
1035                 return &decoder->rect;
1036         case V4L2_SUBDEV_FORMAT_TRY:
1037 #if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
1038                 return v4l2_subdev_get_try_crop(&decoder->sd, cfg, pad);
1039 #else
1040                 return ERR_PTR(-EINVAL);
1041 #endif
1042         default:
1043                 return ERR_PTR(-EINVAL);
1044         }
1045 }
1046
1047 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
1048                             struct v4l2_subdev_pad_config *cfg,
1049                             struct v4l2_subdev_format *format)
1050 {
1051         struct v4l2_mbus_framefmt *f;
1052         struct tvp5150 *decoder = to_tvp5150(sd);
1053
1054         if (!format || (format->pad != TVP5150_PAD_VID_OUT))
1055                 return -EINVAL;
1056
1057         f = &format->format;
1058
1059         f->width = decoder->rect.width;
1060         f->height = decoder->rect.height / 2;
1061
1062         f->code = TVP5150_MBUS_FMT;
1063         f->field = TVP5150_FIELD;
1064         f->colorspace = TVP5150_COLORSPACE;
1065
1066         dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
1067                     f->height);
1068         return 0;
1069 }
1070
1071 static unsigned int tvp5150_get_hmax(struct v4l2_subdev *sd)
1072 {
1073         struct tvp5150 *decoder = to_tvp5150(sd);
1074         v4l2_std_id std;
1075
1076         /* Calculate height based on current standard */
1077         if (decoder->norm == V4L2_STD_ALL)
1078                 std = tvp5150_read_std(sd);
1079         else
1080                 std = decoder->norm;
1081
1082         return (std & V4L2_STD_525_60) ?
1083                 TVP5150_V_MAX_525_60 : TVP5150_V_MAX_OTHERS;
1084 }
1085
1086 static void tvp5150_set_hw_selection(struct v4l2_subdev *sd,
1087                                      struct v4l2_rect *rect)
1088 {
1089         struct tvp5150 *decoder = to_tvp5150(sd);
1090         unsigned int hmax = tvp5150_get_hmax(sd);
1091
1092         regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect->top);
1093         regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP,
1094                      rect->top + rect->height - hmax);
1095         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB,
1096                      rect->left >> TVP5150_CROP_SHIFT);
1097         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB,
1098                      rect->left | (1 << TVP5150_CROP_SHIFT));
1099         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB,
1100                      (rect->left + rect->width - TVP5150_MAX_CROP_LEFT) >>
1101                      TVP5150_CROP_SHIFT);
1102         regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB,
1103                      rect->left + rect->width - TVP5150_MAX_CROP_LEFT);
1104 }
1105
1106 static int tvp5150_set_selection(struct v4l2_subdev *sd,
1107                                  struct v4l2_subdev_pad_config *cfg,
1108                                  struct v4l2_subdev_selection *sel)
1109 {
1110         struct tvp5150 *decoder = to_tvp5150(sd);
1111         struct v4l2_rect *rect = &sel->r;
1112         struct v4l2_rect *crop;
1113         unsigned int hmax;
1114
1115         if (sel->target != V4L2_SEL_TGT_CROP)
1116                 return -EINVAL;
1117
1118         dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
1119                 __func__, rect->left, rect->top, rect->width, rect->height);
1120
1121         /* tvp5150 has some special limits */
1122         rect->left = clamp(rect->left, 0, TVP5150_MAX_CROP_LEFT);
1123         rect->top = clamp(rect->top, 0, TVP5150_MAX_CROP_TOP);
1124         hmax = tvp5150_get_hmax(sd);
1125
1126         /*
1127          * alignments:
1128          *  - width = 2 due to UYVY colorspace
1129          *  - height, image = no special alignment
1130          */
1131         v4l_bound_align_image(&rect->width,
1132                               TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect->left,
1133                               TVP5150_H_MAX - rect->left, 1, &rect->height,
1134                               hmax - TVP5150_MAX_CROP_TOP - rect->top,
1135                               hmax - rect->top, 0, 0);
1136
1137         if (!IS_ENABLED(CONFIG_VIDEO_V4L2_SUBDEV_API) &&
1138             sel->which == V4L2_SUBDEV_FORMAT_TRY)
1139                 return 0;
1140
1141         crop = tvp5150_get_pad_crop(decoder, cfg, sel->pad, sel->which);
1142         if (IS_ERR(crop))
1143                 return PTR_ERR(crop);
1144
1145         /*
1146          * Update output image size if the selection (crop) rectangle size or
1147          * position has been modified.
1148          */
1149         if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE &&
1150             !v4l2_rect_equal(rect, crop))
1151                 tvp5150_set_hw_selection(sd, rect);
1152
1153         *crop = *rect;
1154
1155         return 0;
1156 }
1157
1158 static int tvp5150_get_selection(struct v4l2_subdev *sd,
1159                                  struct v4l2_subdev_pad_config *cfg,
1160                                  struct v4l2_subdev_selection *sel)
1161 {
1162         struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
1163         struct v4l2_rect *crop;
1164         v4l2_std_id std;
1165
1166         switch (sel->target) {
1167         case V4L2_SEL_TGT_CROP_BOUNDS:
1168                 sel->r.left = 0;
1169                 sel->r.top = 0;
1170                 sel->r.width = TVP5150_H_MAX;
1171
1172                 /* Calculate height based on current standard */
1173                 if (decoder->norm == V4L2_STD_ALL)
1174                         std = tvp5150_read_std(sd);
1175                 else
1176                         std = decoder->norm;
1177                 if (std & V4L2_STD_525_60)
1178                         sel->r.height = TVP5150_V_MAX_525_60;
1179                 else
1180                         sel->r.height = TVP5150_V_MAX_OTHERS;
1181                 return 0;
1182         case V4L2_SEL_TGT_CROP:
1183                 crop = tvp5150_get_pad_crop(decoder, cfg, sel->pad,
1184                                             sel->which);
1185                 if (IS_ERR(crop))
1186                         return PTR_ERR(crop);
1187                 sel->r = *crop;
1188                 return 0;
1189         default:
1190                 return -EINVAL;
1191         }
1192 }
1193
1194 static int tvp5150_get_mbus_config(struct v4l2_subdev *sd,
1195                                    unsigned int pad,
1196                                    struct v4l2_mbus_config *cfg)
1197 {
1198         struct tvp5150 *decoder = to_tvp5150(sd);
1199
1200         cfg->type = decoder->mbus_type;
1201         cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
1202                    | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
1203
1204         return 0;
1205 }
1206
1207 /****************************************************************************
1208                         V4L2 subdev pad ops
1209  ****************************************************************************/
1210 static int tvp5150_init_cfg(struct v4l2_subdev *sd,
1211                             struct v4l2_subdev_pad_config *cfg)
1212 {
1213         struct tvp5150 *decoder = to_tvp5150(sd);
1214         v4l2_std_id std;
1215
1216         /*
1217          * Reset selection to maximum on subdev_open() if autodetection is on
1218          * and a standard change is detected.
1219          */
1220         if (decoder->norm == V4L2_STD_ALL) {
1221                 std = tvp5150_read_std(sd);
1222                 if (std != decoder->detected_norm) {
1223                         decoder->detected_norm = std;
1224                         tvp5150_set_default(std, &decoder->rect);
1225                 }
1226         }
1227
1228         return 0;
1229 }
1230
1231 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
1232                 struct v4l2_subdev_pad_config *cfg,
1233                 struct v4l2_subdev_mbus_code_enum *code)
1234 {
1235         if (code->pad || code->index)
1236                 return -EINVAL;
1237
1238         code->code = TVP5150_MBUS_FMT;
1239         return 0;
1240 }
1241
1242 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1243                                    struct v4l2_subdev_pad_config *cfg,
1244                                    struct v4l2_subdev_frame_size_enum *fse)
1245 {
1246         struct tvp5150 *decoder = to_tvp5150(sd);
1247
1248         if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)
1249                 return -EINVAL;
1250
1251         fse->code = TVP5150_MBUS_FMT;
1252         fse->min_width = decoder->rect.width;
1253         fse->max_width = decoder->rect.width;
1254         fse->min_height = decoder->rect.height / 2;
1255         fse->max_height = decoder->rect.height / 2;
1256
1257         return 0;
1258 }
1259
1260 /****************************************************************************
1261  *                      Media entity ops
1262  ****************************************************************************/
1263 #if defined(CONFIG_MEDIA_CONTROLLER)
1264 static int tvp5150_set_link(struct media_pad *connector_pad,
1265                             struct media_pad *tvp5150_pad, u32 flags)
1266 {
1267         struct media_link *link;
1268
1269         link = media_entity_find_link(connector_pad, tvp5150_pad);
1270         if (!link)
1271                 return -EINVAL;
1272
1273         link->flags = flags;
1274         link->reverse->flags = link->flags;
1275
1276         return 0;
1277 }
1278
1279 static int tvp5150_disable_all_input_links(struct tvp5150 *decoder)
1280 {
1281         struct media_pad *connector_pad;
1282         unsigned int i;
1283         int err;
1284
1285         for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
1286                 connector_pad = media_entity_remote_pad(&decoder->pads[i]);
1287                 if (!connector_pad)
1288                         continue;
1289
1290                 err = tvp5150_set_link(connector_pad, &decoder->pads[i], 0);
1291                 if (err)
1292                         return err;
1293         }
1294
1295         return 0;
1296 }
1297
1298 static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,
1299                              u32 config);
1300
1301 static int tvp5150_link_setup(struct media_entity *entity,
1302                               const struct media_pad *tvp5150_pad,
1303                               const struct media_pad *remote, u32 flags)
1304 {
1305         struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1306         struct tvp5150 *decoder = to_tvp5150(sd);
1307         struct media_pad *other_tvp5150_pad =
1308                 &decoder->pads[tvp5150_pad->index ^ 1];
1309         struct v4l2_fwnode_connector *v4l2c;
1310         bool is_svideo = false;
1311         unsigned int i;
1312         int err;
1313
1314         /*
1315          * The TVP5150 state is determined by the enabled sink pad link(s).
1316          * Enabling or disabling the source pad link has no effect.
1317          */
1318         if (tvp5150_pad->flags & MEDIA_PAD_FL_SOURCE)
1319                 return 0;
1320
1321         /* Check if the svideo connector should be enabled */
1322         for (i = 0; i < decoder->connectors_num; i++) {
1323                 if (remote->entity == &decoder->connectors[i].ent) {
1324                         v4l2c = &decoder->connectors[i].base;
1325                         is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;
1326                         break;
1327                 }
1328         }
1329
1330         dev_dbg_lvl(sd->dev, 1, debug, "link setup '%s':%d->'%s':%d[%d]",
1331                     remote->entity->name, remote->index,
1332                     tvp5150_pad->entity->name, tvp5150_pad->index,
1333                     flags & MEDIA_LNK_FL_ENABLED);
1334         if (is_svideo)
1335                 dev_dbg_lvl(sd->dev, 1, debug,
1336                             "link setup '%s':%d->'%s':%d[%d]",
1337                             remote->entity->name, remote->index,
1338                             other_tvp5150_pad->entity->name,
1339                             other_tvp5150_pad->index,
1340                             flags & MEDIA_LNK_FL_ENABLED);
1341
1342         /*
1343          * The TVP5150 has an internal mux which allows the following setup:
1344          *
1345          * comp-connector1  --\
1346          *                     |---> AIP1A
1347          *                    /
1348          * svideo-connector -|
1349          *                    \
1350          *                     |---> AIP1B
1351          * comp-connector2  --/
1352          *
1353          * We can't rely on user space that the current connector gets disabled
1354          * first before enabling the new connector. Disable all active
1355          * connector links to be on the safe side.
1356          */
1357         err = tvp5150_disable_all_input_links(decoder);
1358         if (err)
1359                 return err;
1360
1361         tvp5150_s_routing(sd, is_svideo ? TVP5150_SVIDEO : tvp5150_pad->index,
1362                           flags & MEDIA_LNK_FL_ENABLED ? TVP5150_NORMAL :
1363                           TVP5150_BLACK_SCREEN, 0);
1364
1365         if (flags & MEDIA_LNK_FL_ENABLED) {
1366                 struct v4l2_fwnode_connector_analog *v4l2ca;
1367                 u32 new_norm;
1368
1369                 /*
1370                  * S-Video connector is conneted to both ports AIP1A and AIP1B.
1371                  * Both links must be enabled in one-shot regardless which link
1372                  * the user requests.
1373                  */
1374                 if (is_svideo) {
1375                         err = tvp5150_set_link((struct media_pad *)remote,
1376                                                other_tvp5150_pad, flags);
1377                         if (err)
1378                                 return err;
1379                 }
1380
1381                 if (!decoder->connectors_num)
1382                         return 0;
1383
1384                 /* Update the current connector */
1385                 decoder->cur_connector =
1386                         container_of(remote, struct tvp5150_connector, pad);
1387
1388                 /*
1389                  * Do nothing if the new connector supports the same tv-norms as
1390                  * the old one.
1391                  */
1392                 v4l2ca = &decoder->cur_connector->base.connector.analog;
1393                 new_norm = decoder->norm & v4l2ca->sdtv_stds;
1394                 if (decoder->norm == new_norm)
1395                         return 0;
1396
1397                 /*
1398                  * Fallback to the new connector tv-norms if we can't find any
1399                  * common between the current tv-norm and the new one.
1400                  */
1401                 tvp5150_s_std(sd, new_norm ? new_norm : v4l2ca->sdtv_stds);
1402         }
1403
1404         return 0;
1405 }
1406
1407 static const struct media_entity_operations tvp5150_sd_media_ops = {
1408         .link_setup = tvp5150_link_setup,
1409 };
1410 #endif
1411 /****************************************************************************
1412                         I2C Command
1413  ****************************************************************************/
1414 static int __maybe_unused tvp5150_runtime_suspend(struct device *dev)
1415 {
1416         struct i2c_client *client = to_i2c_client(dev);
1417         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1418         struct tvp5150 *decoder = to_tvp5150(sd);
1419
1420         if (decoder->irq)
1421                 /* Disable lock interrupt */
1422                 return regmap_update_bits(decoder->regmap,
1423                                           TVP5150_INT_ENABLE_REG_A,
1424                                           TVP5150_INT_A_LOCK, 0);
1425         return 0;
1426 }
1427
1428 static int __maybe_unused tvp5150_runtime_resume(struct device *dev)
1429 {
1430         struct i2c_client *client = to_i2c_client(dev);
1431         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1432         struct tvp5150 *decoder = to_tvp5150(sd);
1433
1434         if (decoder->irq)
1435                 /* Enable lock interrupt */
1436                 return regmap_update_bits(decoder->regmap,
1437                                           TVP5150_INT_ENABLE_REG_A,
1438                                           TVP5150_INT_A_LOCK,
1439                                           TVP5150_INT_A_LOCK);
1440         return 0;
1441 }
1442
1443 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1444 {
1445         struct tvp5150 *decoder = to_tvp5150(sd);
1446         unsigned int mask, val = 0;
1447         int ret;
1448
1449         mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1450                TVP5150_MISC_CTL_CLOCK_OE;
1451
1452         if (enable) {
1453                 ret = pm_runtime_get_sync(sd->dev);
1454                 if (ret < 0) {
1455                         pm_runtime_put_noidle(sd->dev);
1456                         return ret;
1457                 }
1458
1459                 tvp5150_enable(sd);
1460
1461                 /* Enable outputs if decoder is locked */
1462                 if (decoder->irq)
1463                         val = decoder->lock ? decoder->oe : 0;
1464                 else
1465                         val = decoder->oe;
1466
1467                 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
1468         } else {
1469                 pm_runtime_put(sd->dev);
1470         }
1471
1472         regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
1473
1474         return 0;
1475 }
1476
1477 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1478                              u32 input, u32 output, u32 config)
1479 {
1480         struct tvp5150 *decoder = to_tvp5150(sd);
1481
1482         decoder->input = input;
1483         decoder->output = output;
1484
1485         if (output == TVP5150_BLACK_SCREEN)
1486                 decoder->enable = false;
1487         else
1488                 decoder->enable = true;
1489
1490         tvp5150_selmux(sd);
1491         return 0;
1492 }
1493
1494 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1495 {
1496         struct tvp5150 *decoder = to_tvp5150(sd);
1497
1498         /*
1499          * this is for capturing 36 raw vbi lines
1500          * if there's a way to cut off the beginning 2 vbi lines
1501          * with the tvp5150 then the vbi line count could be lowered
1502          * to 17 lines/field again, although I couldn't find a register
1503          * which could do that cropping
1504          */
1505
1506         if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1507                 regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70);
1508         if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1509                 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START,
1510                              0x00);
1511                 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 0x01);
1512         }
1513         return 0;
1514 }
1515
1516 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1517 {
1518         struct tvp5150 *decoder = to_tvp5150(sd);
1519         int i;
1520
1521         if (svbi->service_set != 0) {
1522                 for (i = 0; i <= 23; i++) {
1523                         svbi->service_lines[1][i] = 0;
1524                         svbi->service_lines[0][i] =
1525                                 tvp5150_set_vbi(sd, svbi->service_lines[0][i],
1526                                                 0xf0, i, 3);
1527                 }
1528                 /* Enables FIFO */
1529                 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1);
1530         } else {
1531                 /* Disables FIFO*/
1532                 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0);
1533
1534                 /* Disable Full Field */
1535                 regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0);
1536
1537                 /* Disable Line modes */
1538                 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1539                         regmap_write(decoder->regmap, i, 0xff);
1540         }
1541         return 0;
1542 }
1543
1544 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1545 {
1546         int i, mask = 0;
1547
1548         memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1549
1550         for (i = 0; i <= 23; i++) {
1551                 svbi->service_lines[0][i] =
1552                         tvp5150_get_vbi(sd, i);
1553                 mask |= svbi->service_lines[0][i];
1554         }
1555         svbi->service_set = mask;
1556         return 0;
1557 }
1558
1559 #ifdef CONFIG_VIDEO_ADV_DEBUG
1560 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1561 {
1562         int res;
1563
1564         res = tvp5150_read(sd, reg->reg & 0xff);
1565         if (res < 0) {
1566                 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1567                 return res;
1568         }
1569
1570         reg->val = res;
1571         reg->size = 1;
1572         return 0;
1573 }
1574
1575 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1576 {
1577         struct tvp5150 *decoder = to_tvp5150(sd);
1578
1579         return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff);
1580 }
1581 #endif
1582
1583 static int tvp5150_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
1584                                    struct v4l2_event_subscription *sub)
1585 {
1586         switch (sub->type) {
1587         case V4L2_EVENT_SOURCE_CHANGE:
1588                 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
1589         case V4L2_EVENT_CTRL:
1590                 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
1591         default:
1592                 return -EINVAL;
1593         }
1594 }
1595
1596 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1597 {
1598         int status = tvp5150_read(sd, 0x88);
1599
1600         vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1601         return 0;
1602 }
1603
1604 static int tvp5150_registered(struct v4l2_subdev *sd)
1605 {
1606 #if defined(CONFIG_MEDIA_CONTROLLER)
1607         struct tvp5150 *decoder = to_tvp5150(sd);
1608         unsigned int i;
1609         int ret;
1610
1611         /*
1612          * Setup connector pads and links. Enable the link to the first
1613          * available connector per default.
1614          */
1615         for (i = 0; i < decoder->connectors_num; i++) {
1616                 struct media_entity *con = &decoder->connectors[i].ent;
1617                 struct media_pad *pad = &decoder->connectors[i].pad;
1618                 struct v4l2_fwnode_connector *v4l2c =
1619                         &decoder->connectors[i].base;
1620                 struct v4l2_connector_link *link =
1621                         v4l2_connector_first_link(v4l2c);
1622                 unsigned int port = link->fwnode_link.remote_port;
1623                 unsigned int flags = i ? 0 : MEDIA_LNK_FL_ENABLED;
1624                 bool is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;
1625
1626                 pad->flags = MEDIA_PAD_FL_SOURCE;
1627                 ret = media_entity_pads_init(con, 1, pad);
1628                 if (ret < 0)
1629                         goto err;
1630
1631                 ret = media_device_register_entity(sd->v4l2_dev->mdev, con);
1632                 if (ret < 0)
1633                         goto err;
1634
1635                 ret = media_create_pad_link(con, 0, &sd->entity, port, flags);
1636                 if (ret < 0)
1637                         goto err;
1638
1639                 if (is_svideo) {
1640                         /*
1641                          * Check tvp5150_link_setup() comments for more
1642                          * information.
1643                          */
1644                         link = v4l2_connector_last_link(v4l2c);
1645                         port = link->fwnode_link.remote_port;
1646                         ret = media_create_pad_link(con, 0, &sd->entity, port,
1647                                                     flags);
1648                         if (ret < 0)
1649                                 goto err;
1650                 }
1651
1652                 /* Enable default input. */
1653                 if (flags == MEDIA_LNK_FL_ENABLED) {
1654                         decoder->input =
1655                                 is_svideo ? TVP5150_SVIDEO :
1656                                 port == 0 ? TVP5150_COMPOSITE0 :
1657                                 TVP5150_COMPOSITE1;
1658
1659                         tvp5150_selmux(sd);
1660                         decoder->cur_connector = &decoder->connectors[i];
1661                         tvp5150_s_std(sd, v4l2c->connector.analog.sdtv_stds);
1662                 }
1663         }
1664
1665         return 0;
1666
1667 err:
1668         for (i = 0; i < decoder->connectors_num; i++) {
1669                 media_device_unregister_entity(&decoder->connectors[i].ent);
1670                 media_entity_cleanup(&decoder->connectors[i].ent);
1671         }
1672         return ret;
1673 #endif
1674
1675         return 0;
1676 }
1677
1678 static int tvp5150_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1679 {
1680         int ret;
1681
1682         ret = pm_runtime_get_sync(sd->dev);
1683         if (ret < 0) {
1684                 pm_runtime_put_noidle(sd->dev);
1685                 return ret;
1686         }
1687
1688         return 0;
1689 }
1690
1691 static int tvp5150_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1692 {
1693         pm_runtime_put(sd->dev);
1694
1695         return 0;
1696 }
1697
1698 /* ----------------------------------------------------------------------- */
1699
1700 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1701         .s_ctrl = tvp5150_s_ctrl,
1702 };
1703
1704 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1705         .log_status = tvp5150_log_status,
1706         .reset = tvp5150_reset,
1707 #ifdef CONFIG_VIDEO_ADV_DEBUG
1708         .g_register = tvp5150_g_register,
1709         .s_register = tvp5150_s_register,
1710 #endif
1711         .subscribe_event = tvp5150_subscribe_event,
1712         .unsubscribe_event = v4l2_event_subdev_unsubscribe,
1713 };
1714
1715 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1716         .g_tuner = tvp5150_g_tuner,
1717 };
1718
1719 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1720         .s_std = tvp5150_s_std,
1721         .g_std = tvp5150_g_std,
1722         .querystd = tvp5150_querystd,
1723         .s_stream = tvp5150_s_stream,
1724         .s_routing = tvp5150_s_routing,
1725 };
1726
1727 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1728         .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1729         .g_sliced_fmt = tvp5150_g_sliced_fmt,
1730         .s_sliced_fmt = tvp5150_s_sliced_fmt,
1731         .s_raw_fmt = tvp5150_s_raw_fmt,
1732 };
1733
1734 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1735         .init_cfg = tvp5150_init_cfg,
1736         .enum_mbus_code = tvp5150_enum_mbus_code,
1737         .enum_frame_size = tvp5150_enum_frame_size,
1738         .set_fmt = tvp5150_fill_fmt,
1739         .get_fmt = tvp5150_fill_fmt,
1740         .get_selection = tvp5150_get_selection,
1741         .set_selection = tvp5150_set_selection,
1742         .get_mbus_config = tvp5150_get_mbus_config,
1743 };
1744
1745 static const struct v4l2_subdev_ops tvp5150_ops = {
1746         .core = &tvp5150_core_ops,
1747         .tuner = &tvp5150_tuner_ops,
1748         .video = &tvp5150_video_ops,
1749         .vbi = &tvp5150_vbi_ops,
1750         .pad = &tvp5150_pad_ops,
1751 };
1752
1753 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1754         .registered = tvp5150_registered,
1755         .open = tvp5150_open,
1756         .close = tvp5150_close,
1757 };
1758
1759 /****************************************************************************
1760                         I2C Client & Driver
1761  ****************************************************************************/
1762
1763 static const struct regmap_range tvp5150_readable_ranges[] = {
1764         {
1765                 .range_min = TVP5150_VD_IN_SRC_SEL_1,
1766                 .range_max = TVP5150_AUTOSW_MSK,
1767         }, {
1768                 .range_min = TVP5150_COLOR_KIL_THSH_CTL,
1769                 .range_max = TVP5150_CONF_SHARED_PIN,
1770         }, {
1771                 .range_min = TVP5150_ACT_VD_CROP_ST_MSB,
1772                 .range_max = TVP5150_HORIZ_SYNC_START,
1773         }, {
1774                 .range_min = TVP5150_VERT_BLANKING_START,
1775                 .range_max = TVP5150_INTT_CONFIG_REG_B,
1776         }, {
1777                 .range_min = TVP5150_VIDEO_STD,
1778                 .range_max = TVP5150_VIDEO_STD,
1779         }, {
1780                 .range_min = TVP5150_CB_GAIN_FACT,
1781                 .range_max = TVP5150_REV_SELECT,
1782         }, {
1783                 .range_min = TVP5150_MSB_DEV_ID,
1784                 .range_max = TVP5150_STATUS_REG_5,
1785         }, {
1786                 .range_min = TVP5150_CC_DATA_INI,
1787                 .range_max = TVP5150_TELETEXT_FIL_ENA,
1788         }, {
1789                 .range_min = TVP5150_INT_STATUS_REG_A,
1790                 .range_max = TVP5150_FIFO_OUT_CTRL,
1791         }, {
1792                 .range_min = TVP5150_FULL_FIELD_ENA,
1793                 .range_max = TVP5150_FULL_FIELD_MODE_REG,
1794         },
1795 };
1796
1797 static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg)
1798 {
1799         switch (reg) {
1800         case TVP5150_VERT_LN_COUNT_MSB:
1801         case TVP5150_VERT_LN_COUNT_LSB:
1802         case TVP5150_INT_STATUS_REG_A:
1803         case TVP5150_INT_STATUS_REG_B:
1804         case TVP5150_INT_ACTIVE_REG_B:
1805         case TVP5150_STATUS_REG_1:
1806         case TVP5150_STATUS_REG_2:
1807         case TVP5150_STATUS_REG_3:
1808         case TVP5150_STATUS_REG_4:
1809         case TVP5150_STATUS_REG_5:
1810         /* CC, WSS, VPS, VITC data? */
1811         case TVP5150_VBI_FIFO_READ_DATA:
1812         case TVP5150_VDP_STATUS_REG:
1813         case TVP5150_FIFO_WORD_COUNT:
1814                 return true;
1815         default:
1816                 return false;
1817         }
1818 }
1819
1820 static const struct regmap_access_table tvp5150_readable_table = {
1821         .yes_ranges = tvp5150_readable_ranges,
1822         .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges),
1823 };
1824
1825 static struct regmap_config tvp5150_config = {
1826         .reg_bits = 8,
1827         .val_bits = 8,
1828         .max_register = 0xff,
1829
1830         .cache_type = REGCACHE_RBTREE,
1831
1832         .rd_table = &tvp5150_readable_table,
1833         .volatile_reg = tvp5150_volatile_reg,
1834 };
1835
1836 static int tvp5150_detect_version(struct tvp5150 *core)
1837 {
1838         struct v4l2_subdev *sd = &core->sd;
1839         struct i2c_client *c = v4l2_get_subdevdata(sd);
1840         u8 regs[4];
1841         int res;
1842
1843         /*
1844          * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1845          * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1846          */
1847         res = regmap_bulk_read(core->regmap, TVP5150_MSB_DEV_ID, regs, 4);
1848         if (res < 0) {
1849                 dev_err(&c->dev, "reading ID registers failed: %d\n", res);
1850                 return res;
1851         }
1852
1853         core->dev_id = (regs[0] << 8) | regs[1];
1854         core->rom_ver = (regs[2] << 8) | regs[3];
1855
1856         dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1857                   core->dev_id, regs[2], regs[3], c->addr << 1,
1858                   c->adapter->name);
1859
1860         if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1861                 dev_info(sd->dev, "tvp5150a detected.\n");
1862         } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1863                 dev_info(sd->dev, "tvp5150am1 detected.\n");
1864
1865                 /* ITU-T BT.656.4 timing */
1866                 regmap_write(core->regmap, TVP5150_REV_SELECT, 0);
1867         } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1868                 dev_info(sd->dev, "tvp5151 detected.\n");
1869         } else {
1870                 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1871                           core->dev_id);
1872         }
1873
1874         return 0;
1875 }
1876
1877 static int tvp5150_init(struct i2c_client *c)
1878 {
1879         struct gpio_desc *pdn_gpio;
1880         struct gpio_desc *reset_gpio;
1881
1882         pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1883         if (IS_ERR(pdn_gpio))
1884                 return PTR_ERR(pdn_gpio);
1885
1886         if (pdn_gpio) {
1887                 gpiod_set_value_cansleep(pdn_gpio, 0);
1888                 /* Delay time between power supplies active and reset */
1889                 msleep(20);
1890         }
1891
1892         reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1893         if (IS_ERR(reset_gpio))
1894                 return PTR_ERR(reset_gpio);
1895
1896         if (reset_gpio) {
1897                 /* RESETB pulse duration */
1898                 ndelay(500);
1899                 gpiod_set_value_cansleep(reset_gpio, 0);
1900                 /* Delay time between end of reset to I2C active */
1901                 usleep_range(200, 250);
1902         }
1903
1904         return 0;
1905 }
1906
1907 #if defined(CONFIG_MEDIA_CONTROLLER)
1908 static int tvp5150_mc_init(struct tvp5150 *decoder)
1909 {
1910         struct v4l2_subdev *sd = &decoder->sd;
1911         unsigned int i;
1912
1913         sd->entity.ops = &tvp5150_sd_media_ops;
1914         sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1915
1916         for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
1917                 decoder->pads[i].flags = MEDIA_PAD_FL_SINK;
1918                 decoder->pads[i].sig_type = PAD_SIGNAL_ANALOG;
1919         }
1920
1921         decoder->pads[i].flags = MEDIA_PAD_FL_SOURCE;
1922         decoder->pads[i].sig_type = PAD_SIGNAL_DV;
1923
1924         return media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS,
1925                                       decoder->pads);
1926 }
1927
1928 #else /* !defined(CONFIG_MEDIA_CONTROLLER) */
1929
1930 static inline int tvp5150_mc_init(struct tvp5150 *decoder)
1931 {
1932         return 0;
1933 }
1934 #endif /* defined(CONFIG_MEDIA_CONTROLLER) */
1935
1936 static int tvp5150_validate_connectors(struct tvp5150 *decoder)
1937 {
1938         struct device *dev = decoder->sd.dev;
1939         struct tvp5150_connector *tvpc;
1940         struct v4l2_fwnode_connector *v4l2c;
1941         unsigned int i;
1942
1943         if (!decoder->connectors_num) {
1944                 dev_err(dev, "No valid connector found\n");
1945                 return -ENODEV;
1946         }
1947
1948         for (i = 0; i < decoder->connectors_num; i++) {
1949                 struct v4l2_connector_link *link0 = NULL;
1950                 struct v4l2_connector_link *link1;
1951
1952                 tvpc = &decoder->connectors[i];
1953                 v4l2c = &tvpc->base;
1954
1955                 if (v4l2c->type == V4L2_CONN_COMPOSITE) {
1956                         if (v4l2c->nr_of_links != 1) {
1957                                 dev_err(dev, "Composite: connector needs 1 link\n");
1958                                 return -EINVAL;
1959                         }
1960                         link0 = v4l2_connector_first_link(v4l2c);
1961                         if (!link0) {
1962                                 dev_err(dev, "Composite: invalid first link\n");
1963                                 return -EINVAL;
1964                         }
1965                         if (link0->fwnode_link.remote_id == 1) {
1966                                 dev_err(dev, "Composite: invalid endpoint id\n");
1967                                 return -EINVAL;
1968                         }
1969                 }
1970
1971                 if (v4l2c->type == V4L2_CONN_SVIDEO) {
1972                         if (v4l2c->nr_of_links != 2) {
1973                                 dev_err(dev, "SVideo: connector needs 2 links\n");
1974                                 return -EINVAL;
1975                         }
1976                         link0 = v4l2_connector_first_link(v4l2c);
1977                         if (!link0) {
1978                                 dev_err(dev, "SVideo: invalid first link\n");
1979                                 return -EINVAL;
1980                         }
1981                         link1 = v4l2_connector_last_link(v4l2c);
1982                         if (link0->fwnode_link.remote_port ==
1983                             link1->fwnode_link.remote_port) {
1984                                 dev_err(dev, "SVideo: invalid link setup\n");
1985                                 return -EINVAL;
1986                         }
1987                 }
1988
1989                 if (!(v4l2c->connector.analog.sdtv_stds & TVP5150_STD_MASK)) {
1990                         dev_err(dev, "Unsupported tv-norm on connector %s\n",
1991                                 v4l2c->name);
1992                         return -EINVAL;
1993                 }
1994         }
1995
1996         return 0;
1997 }
1998
1999 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
2000 {
2001         struct device *dev = decoder->sd.dev;
2002         struct v4l2_fwnode_endpoint bus_cfg = {
2003                 .bus_type = V4L2_MBUS_UNKNOWN
2004         };
2005         struct device_node *ep_np;
2006         struct tvp5150_connector *tvpc;
2007         struct v4l2_fwnode_connector *v4l2c;
2008         unsigned int flags, ep_num;
2009         unsigned int i;
2010         int ret;
2011
2012         /* At least 1 output and 1 input */
2013         ep_num = of_graph_get_endpoint_count(np);
2014         if (ep_num < 2 || ep_num > 5) {
2015                 dev_err(dev, "At least 1 input and 1 output must be connected to the device.\n");
2016                 return -EINVAL;
2017         }
2018
2019         /* Layout if all connectors are used:
2020          *
2021          * tvp-5150 port@0 (AIP1A)
2022          *      endpoint@0 -----------> Comp0-Con  port
2023          *      endpoint@1 --------+--> Svideo-Con port
2024          * tvp-5150 port@1 (AIP1B) |
2025          *      endpoint@1 --------+
2026          *      endpoint@0 -----------> Comp1-Con  port
2027          * tvp-5150 port@2
2028          *      endpoint (video bitstream output at YOUT[0-7] parallel bus)
2029          */
2030         for_each_endpoint_of_node(np, ep_np) {
2031                 struct fwnode_handle *ep_fwnode = of_fwnode_handle(ep_np);
2032                 unsigned int next_connector = decoder->connectors_num;
2033                 struct of_endpoint ep;
2034
2035                 of_graph_parse_endpoint(ep_np, &ep);
2036                 if (ep.port > 1 || ep.id > 1) {
2037                         dev_dbg(dev, "Ignore connector on port@%u/ep@%u\n",
2038                                 ep.port, ep.id);
2039                         continue;
2040                 }
2041
2042                 tvpc = &decoder->connectors[next_connector];
2043                 v4l2c = &tvpc->base;
2044
2045                 if (ep.port == 0 || (ep.port == 1 && ep.id == 0)) {
2046                         ret = v4l2_fwnode_connector_parse(ep_fwnode, v4l2c);
2047                         if (ret)
2048                                 goto err_put;
2049                         ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);
2050                         if (ret)
2051                                 goto err_put;
2052                         decoder->connectors_num++;
2053                 } else {
2054                         /* Adding the 2nd svideo link */
2055                         for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) {
2056                                 tvpc = &decoder->connectors[i];
2057                                 v4l2c = &tvpc->base;
2058                                 if (v4l2c->type == V4L2_CONN_SVIDEO)
2059                                         break;
2060                         }
2061
2062                         ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);
2063                         if (ret)
2064                                 goto err_put;
2065                 }
2066         }
2067
2068         ret = tvp5150_validate_connectors(decoder);
2069         if (ret)
2070                 goto err_free;
2071
2072         for (i = 0; i < decoder->connectors_num; i++) {
2073                 tvpc = &decoder->connectors[i];
2074                 v4l2c = &tvpc->base;
2075                 tvpc->ent.flags = MEDIA_ENT_FL_CONNECTOR;
2076                 tvpc->ent.function = v4l2c->type == V4L2_CONN_SVIDEO ?
2077                         MEDIA_ENT_F_CONN_SVIDEO : MEDIA_ENT_F_CONN_COMPOSITE;
2078                 tvpc->ent.name = devm_kasprintf(dev, GFP_KERNEL, "%s %s",
2079                                                 v4l2c->name, v4l2c->label ?
2080                                                 v4l2c->label : "");
2081         }
2082
2083         ep_np = of_graph_get_endpoint_by_regs(np, TVP5150_PAD_VID_OUT, 0);
2084         if (!ep_np) {
2085                 ret = -EINVAL;
2086                 dev_err(dev, "Error no output endpoint available\n");
2087                 goto err_free;
2088         }
2089         ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_np), &bus_cfg);
2090         of_node_put(ep_np);
2091         if (ret)
2092                 goto err_free;
2093
2094         flags = bus_cfg.bus.parallel.flags;
2095         if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
2096             !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
2097               flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
2098               flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
2099                 ret = -EINVAL;
2100                 goto err_free;
2101         }
2102
2103         decoder->mbus_type = bus_cfg.bus_type;
2104
2105         return 0;
2106
2107 err_put:
2108         of_node_put(ep_np);
2109 err_free:
2110         for (i = 0; i < TVP5150_MAX_CONNECTORS; i++)
2111                 v4l2_fwnode_connector_free(&decoder->connectors[i].base);
2112
2113         return ret;
2114 }
2115
2116 static const char * const tvp5150_test_patterns[2] = {
2117         "Disabled",
2118         "Black screen"
2119 };
2120
2121 static int tvp5150_probe(struct i2c_client *c)
2122 {
2123         struct tvp5150 *core;
2124         struct v4l2_subdev *sd;
2125         struct device_node *np = c->dev.of_node;
2126         struct regmap *map;
2127         unsigned int i;
2128         int res;
2129
2130         /* Check if the adapter supports the needed features */
2131         if (!i2c_check_functionality(c->adapter,
2132              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
2133                 return -EIO;
2134
2135         res = tvp5150_init(c);
2136         if (res)
2137                 return res;
2138
2139         core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
2140         if (!core)
2141                 return -ENOMEM;
2142
2143         map = devm_regmap_init_i2c(c, &tvp5150_config);
2144         if (IS_ERR(map))
2145                 return PTR_ERR(map);
2146
2147         core->regmap = map;
2148         sd = &core->sd;
2149         v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
2150         sd->internal_ops = &tvp5150_internal_ops;
2151         sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
2152
2153         if (IS_ENABLED(CONFIG_OF) && np) {
2154                 res = tvp5150_parse_dt(core, np);
2155                 if (res) {
2156                         dev_err(sd->dev, "DT parsing error: %d\n", res);
2157                         return res;
2158                 }
2159         } else {
2160                 /* Default to BT.656 embedded sync */
2161                 core->mbus_type = V4L2_MBUS_BT656;
2162         }
2163
2164         res = tvp5150_mc_init(core);
2165         if (res)
2166                 return res;
2167
2168         res = tvp5150_detect_version(core);
2169         if (res < 0)
2170                 return res;
2171
2172         /*
2173          * Iterate over all available connectors in case they are supported and
2174          * successfully parsed. Fallback to default autodetect in case they
2175          * aren't supported.
2176          */
2177         for (i = 0; i < core->connectors_num; i++) {
2178                 struct v4l2_fwnode_connector *v4l2c;
2179
2180                 v4l2c = &core->connectors[i].base;
2181                 core->norm |= v4l2c->connector.analog.sdtv_stds;
2182         }
2183
2184         if (!core->connectors_num)
2185                 core->norm = V4L2_STD_ALL;
2186
2187         core->detected_norm = V4L2_STD_UNKNOWN;
2188         core->input = TVP5150_COMPOSITE1;
2189         core->enable = true;
2190
2191         v4l2_ctrl_handler_init(&core->hdl, 5);
2192         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2193                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2194         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2195                         V4L2_CID_CONTRAST, 0, 255, 1, 128);
2196         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2197                         V4L2_CID_SATURATION, 0, 255, 1, 128);
2198         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2199                         V4L2_CID_HUE, -128, 127, 1, 0);
2200         v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2201                         V4L2_CID_PIXEL_RATE, 27000000,
2202                         27000000, 1, 27000000);
2203         v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
2204                                      V4L2_CID_TEST_PATTERN,
2205                                      ARRAY_SIZE(tvp5150_test_patterns) - 1,
2206                                      0, 0, tvp5150_test_patterns);
2207         sd->ctrl_handler = &core->hdl;
2208         if (core->hdl.error) {
2209                 res = core->hdl.error;
2210                 goto err;
2211         }
2212
2213         tvp5150_set_default(tvp5150_read_std(sd), &core->rect);
2214
2215         core->irq = c->irq;
2216         tvp5150_reset(sd, 0);   /* Calls v4l2_ctrl_handler_setup() */
2217         if (c->irq) {
2218                 res = devm_request_threaded_irq(&c->dev, c->irq, NULL,
2219                                                 tvp5150_isr, IRQF_TRIGGER_HIGH |
2220                                                 IRQF_ONESHOT, "tvp5150", core);
2221                 if (res)
2222                         goto err;
2223         }
2224
2225         res = v4l2_async_register_subdev(sd);
2226         if (res < 0)
2227                 goto err;
2228
2229         if (debug > 1)
2230                 tvp5150_log_status(sd);
2231
2232         pm_runtime_set_active(&c->dev);
2233         pm_runtime_enable(&c->dev);
2234         pm_runtime_idle(&c->dev);
2235
2236         return 0;
2237
2238 err:
2239         v4l2_ctrl_handler_free(&core->hdl);
2240         return res;
2241 }
2242
2243 static int tvp5150_remove(struct i2c_client *c)
2244 {
2245         struct v4l2_subdev *sd = i2c_get_clientdata(c);
2246         struct tvp5150 *decoder = to_tvp5150(sd);
2247         unsigned int i;
2248
2249         dev_dbg_lvl(sd->dev, 1, debug,
2250                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
2251                 c->addr << 1);
2252
2253         for (i = 0; i < decoder->connectors_num; i++)
2254                 v4l2_fwnode_connector_free(&decoder->connectors[i].base);
2255         for (i = 0; i < decoder->connectors_num; i++) {
2256                 media_device_unregister_entity(&decoder->connectors[i].ent);
2257                 media_entity_cleanup(&decoder->connectors[i].ent);
2258         }
2259         v4l2_async_unregister_subdev(sd);
2260         v4l2_ctrl_handler_free(&decoder->hdl);
2261         pm_runtime_disable(&c->dev);
2262         pm_runtime_set_suspended(&c->dev);
2263
2264         return 0;
2265 }
2266
2267 /* ----------------------------------------------------------------------- */
2268
2269 static const struct dev_pm_ops tvp5150_pm_ops = {
2270         SET_RUNTIME_PM_OPS(tvp5150_runtime_suspend,
2271                            tvp5150_runtime_resume,
2272                            NULL)
2273 };
2274
2275 static const struct i2c_device_id tvp5150_id[] = {
2276         { "tvp5150", 0 },
2277         { }
2278 };
2279 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
2280
2281 #if IS_ENABLED(CONFIG_OF)
2282 static const struct of_device_id tvp5150_of_match[] = {
2283         { .compatible = "ti,tvp5150", },
2284         { /* sentinel */ },
2285 };
2286 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
2287 #endif
2288
2289 static struct i2c_driver tvp5150_driver = {
2290         .driver = {
2291                 .of_match_table = of_match_ptr(tvp5150_of_match),
2292                 .name   = "tvp5150",
2293                 .pm     = &tvp5150_pm_ops,
2294         },
2295         .probe_new      = tvp5150_probe,
2296         .remove         = tvp5150_remove,
2297         .id_table       = tvp5150_id,
2298 };
2299
2300 module_i2c_driver(tvp5150_driver);