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(map: decoder->regmap, reg: addr, val: &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, addr: 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, s: "Teletext filter 1" , TVP5150_TELETEXT_FIL1_INI, |
226 | TVP5150_TELETEXT_FIL1_END, max_line: 8); |
227 | dump_reg_range(sd, s: "Teletext filter 2" , TVP5150_TELETEXT_FIL2_INI, |
228 | TVP5150_TELETEXT_FIL2_END, max_line: 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, s: "CC data" , TVP5150_CC_DATA_INI, |
259 | TVP5150_CC_DATA_END, max_line: 8); |
260 | |
261 | dump_reg_range(sd, s: "WSS data" , TVP5150_WSS_DATA_INI, |
262 | TVP5150_WSS_DATA_END, max_line: 8); |
263 | |
264 | dump_reg_range(sd, s: "VPS data" , TVP5150_VPS_DATA_INI, |
265 | TVP5150_VPS_DATA_END, max_line: 8); |
266 | |
267 | dump_reg_range(sd, s: "VITC data" , TVP5150_VITC_DATA_INI, |
268 | TVP5150_VITC_DATA_END, max_line: 10); |
269 | |
270 | dump_reg_range(sd, s: "Line mode" , TVP5150_LINE_MODE_INI, |
271 | TVP5150_LINE_MODE_END, max_line: 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(map: decoder->regmap, TVP5150_OP_MODE_CTL, val: opmode); |
313 | regmap_write(map: decoder->regmap, TVP5150_VD_IN_SRC_SEL_1, val: 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(map: 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(map: decoder->regmap, reg: regs->reg, val: 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, val: 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, reg: i, val: 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, val: regs->reg >> 8); |
631 | regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, val: regs->reg); |
632 | |
633 | for (i = 0; i < 16; i++) |
634 | regmap_write(map, TVP5150_VDP_CONF_RAM_DATA, |
635 | val: 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(map: decoder->regmap, reg, val: type); |
716 | |
717 | if (fields & 2) |
718 | regmap_write(map: decoder->regmap, reg: reg + 1, val: 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, addr: 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(map: decoder->regmap, TVP5150_VIDEO_STD, val: 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(map: decoder->regmap, TVP5150_STATUS_REG_1, val: &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, val: &status); |
888 | if (status) { |
889 | regmap_write(map, TVP5150_INT_STATUS_REG_A, val: 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(sd: &decoder->sd, ev: &tvp5150_ev_fmt); |
897 | regmap_update_bits(map, TVP5150_MISC_CTL, mask, |
898 | val: decoder->lock ? decoder->oe : 0); |
899 | } |
900 | |
901 | return IRQ_HANDLED; |
902 | } |
903 | |
904 | regmap_read(map, TVP5150_INT_ACTIVE_REG_B, val: &active); |
905 | if (active) { |
906 | status = 0; |
907 | regmap_read(map, TVP5150_INT_STATUS_REG_B, val: &status); |
908 | if (status) |
909 | regmap_write(map, TVP5150_INT_RESET_REG_B, val: 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, regs: tvp5150_init_default); |
922 | |
923 | if (decoder->irq) { |
924 | /* Configure pins: FID, VSYNC, INTREQ, SCLK */ |
925 | regmap_write(map, TVP5150_CONF_SHARED_PIN, val: 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, val: 0x1); |
929 | } else { |
930 | /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */ |
931 | regmap_write(map, TVP5150_CONF_SHARED_PIN, val: 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, val: 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(hdl: &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, regs: 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 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(map: decoder->regmap, TVP5150_DATA_RATE_SEL, |
973 | mask: 0x7, val: 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(map: decoder->regmap, TVP5150_BRIGHT_CTL, val: ctrl->val); |
997 | return 0; |
998 | case V4L2_CID_CONTRAST: |
999 | regmap_write(map: decoder->regmap, TVP5150_CONTRAST_CTL, val: ctrl->val); |
1000 | return 0; |
1001 | case V4L2_CID_SATURATION: |
1002 | regmap_write(map: decoder->regmap, TVP5150_SATURATION_CTL, |
1003 | val: ctrl->val); |
1004 | return 0; |
1005 | case V4L2_CID_HUE: |
1006 | regmap_write(map: decoder->regmap, TVP5150_HUE_CTL, val: 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_state *sd_state, 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_state_get_crop(sd_state, pad); |
1039 | #else |
1040 | return ERR_PTR(-EINVAL); |
1041 | #endif |
1042 | default: |
1043 | return ERR_PTR(error: -EINVAL); |
1044 | } |
1045 | } |
1046 | |
1047 | static int tvp5150_fill_fmt(struct v4l2_subdev *sd, |
1048 | struct v4l2_subdev_state *sd_state, |
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(map: decoder->regmap, TVP5150_VERT_BLANKING_START, val: rect->top); |
1093 | regmap_write(map: decoder->regmap, TVP5150_VERT_BLANKING_STOP, |
1094 | val: rect->top + rect->height - hmax); |
1095 | regmap_write(map: decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB, |
1096 | val: rect->left >> TVP5150_CROP_SHIFT); |
1097 | regmap_write(map: decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB, |
1098 | val: rect->left | (1 << TVP5150_CROP_SHIFT)); |
1099 | regmap_write(map: decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB, |
1100 | val: (rect->left + rect->width - TVP5150_MAX_CROP_LEFT) >> |
1101 | TVP5150_CROP_SHIFT); |
1102 | regmap_write(map: decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB, |
1103 | val: rect->left + rect->width - TVP5150_MAX_CROP_LEFT); |
1104 | } |
1105 | |
1106 | static int tvp5150_set_selection(struct v4l2_subdev *sd, |
1107 | struct v4l2_subdev_state *sd_state, |
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(width: &rect->width, |
1132 | TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect->left, |
1133 | TVP5150_H_MAX - rect->left, walign: 1, height: &rect->height, |
1134 | hmin: hmax - TVP5150_MAX_CROP_TOP - rect->top, |
1135 | hmax: hmax - rect->top, halign: 0, salign: 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, sd_state, pad: sel->pad, which: sel->which); |
1142 | if (IS_ERR(ptr: crop)) |
1143 | return PTR_ERR(ptr: 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(r1: rect, r2: 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_state *sd_state, |
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, sd_state, pad: sel->pad, |
1184 | which: sel->which); |
1185 | if (IS_ERR(ptr: crop)) |
1186 | return PTR_ERR(ptr: 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->bus.parallel.flags = V4L2_MBUS_MASTER |
1202 | | V4L2_MBUS_PCLK_SAMPLE_RISING |
1203 | | V4L2_MBUS_FIELD_EVEN_LOW |
1204 | | V4L2_MBUS_DATA_ACTIVE_HIGH; |
1205 | |
1206 | return 0; |
1207 | } |
1208 | |
1209 | /**************************************************************************** |
1210 | V4L2 subdev pad ops |
1211 | ****************************************************************************/ |
1212 | static int tvp5150_init_state(struct v4l2_subdev *sd, |
1213 | struct v4l2_subdev_state *sd_state) |
1214 | { |
1215 | struct tvp5150 *decoder = to_tvp5150(sd); |
1216 | v4l2_std_id std; |
1217 | |
1218 | /* |
1219 | * Reset selection to maximum on subdev_open() if autodetection is on |
1220 | * and a standard change is detected. |
1221 | */ |
1222 | if (decoder->norm == V4L2_STD_ALL) { |
1223 | std = tvp5150_read_std(sd); |
1224 | if (std != decoder->detected_norm) { |
1225 | decoder->detected_norm = std; |
1226 | tvp5150_set_default(std, crop: &decoder->rect); |
1227 | } |
1228 | } |
1229 | |
1230 | return 0; |
1231 | } |
1232 | |
1233 | static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, |
1234 | struct v4l2_subdev_state *sd_state, |
1235 | struct v4l2_subdev_mbus_code_enum *code) |
1236 | { |
1237 | if (code->pad || code->index) |
1238 | return -EINVAL; |
1239 | |
1240 | code->code = TVP5150_MBUS_FMT; |
1241 | return 0; |
1242 | } |
1243 | |
1244 | static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, |
1245 | struct v4l2_subdev_state *sd_state, |
1246 | struct v4l2_subdev_frame_size_enum *fse) |
1247 | { |
1248 | struct tvp5150 *decoder = to_tvp5150(sd); |
1249 | |
1250 | if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT) |
1251 | return -EINVAL; |
1252 | |
1253 | fse->code = TVP5150_MBUS_FMT; |
1254 | fse->min_width = decoder->rect.width; |
1255 | fse->max_width = decoder->rect.width; |
1256 | fse->min_height = decoder->rect.height / 2; |
1257 | fse->max_height = decoder->rect.height / 2; |
1258 | |
1259 | return 0; |
1260 | } |
1261 | |
1262 | /**************************************************************************** |
1263 | * Media entity ops |
1264 | ****************************************************************************/ |
1265 | #if defined(CONFIG_MEDIA_CONTROLLER) |
1266 | static int tvp5150_set_link(struct media_pad *connector_pad, |
1267 | struct media_pad *tvp5150_pad, u32 flags) |
1268 | { |
1269 | struct media_link *link; |
1270 | |
1271 | link = media_entity_find_link(source: connector_pad, sink: tvp5150_pad); |
1272 | if (!link) |
1273 | return -EINVAL; |
1274 | |
1275 | link->flags = flags; |
1276 | link->reverse->flags = link->flags; |
1277 | |
1278 | return 0; |
1279 | } |
1280 | |
1281 | static int tvp5150_disable_all_input_links(struct tvp5150 *decoder) |
1282 | { |
1283 | struct media_pad *connector_pad; |
1284 | unsigned int i; |
1285 | int err; |
1286 | |
1287 | for (i = 0; i < TVP5150_NUM_PADS - 1; i++) { |
1288 | connector_pad = media_pad_remote_pad_first(pad: &decoder->pads[i]); |
1289 | if (!connector_pad) |
1290 | continue; |
1291 | |
1292 | err = tvp5150_set_link(connector_pad, tvp5150_pad: &decoder->pads[i], flags: 0); |
1293 | if (err) |
1294 | return err; |
1295 | } |
1296 | |
1297 | return 0; |
1298 | } |
1299 | |
1300 | static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, |
1301 | u32 config); |
1302 | |
1303 | static int tvp5150_link_setup(struct media_entity *entity, |
1304 | const struct media_pad *tvp5150_pad, |
1305 | const struct media_pad *remote, u32 flags) |
1306 | { |
1307 | struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); |
1308 | struct tvp5150 *decoder = to_tvp5150(sd); |
1309 | struct media_pad *other_tvp5150_pad = |
1310 | &decoder->pads[tvp5150_pad->index ^ 1]; |
1311 | struct v4l2_fwnode_connector *v4l2c; |
1312 | bool is_svideo = false; |
1313 | unsigned int i; |
1314 | int err; |
1315 | |
1316 | /* |
1317 | * The TVP5150 state is determined by the enabled sink pad link(s). |
1318 | * Enabling or disabling the source pad link has no effect. |
1319 | */ |
1320 | if (tvp5150_pad->flags & MEDIA_PAD_FL_SOURCE) |
1321 | return 0; |
1322 | |
1323 | /* Check if the svideo connector should be enabled */ |
1324 | for (i = 0; i < decoder->connectors_num; i++) { |
1325 | if (remote->entity == &decoder->connectors[i].ent) { |
1326 | v4l2c = &decoder->connectors[i].base; |
1327 | is_svideo = v4l2c->type == V4L2_CONN_SVIDEO; |
1328 | break; |
1329 | } |
1330 | } |
1331 | |
1332 | dev_dbg_lvl(sd->dev, 1, debug, "link setup '%s':%d->'%s':%d[%d]" , |
1333 | remote->entity->name, remote->index, |
1334 | tvp5150_pad->entity->name, tvp5150_pad->index, |
1335 | flags & MEDIA_LNK_FL_ENABLED); |
1336 | if (is_svideo) |
1337 | dev_dbg_lvl(sd->dev, 1, debug, |
1338 | "link setup '%s':%d->'%s':%d[%d]" , |
1339 | remote->entity->name, remote->index, |
1340 | other_tvp5150_pad->entity->name, |
1341 | other_tvp5150_pad->index, |
1342 | flags & MEDIA_LNK_FL_ENABLED); |
1343 | |
1344 | /* |
1345 | * The TVP5150 has an internal mux which allows the following setup: |
1346 | * |
1347 | * comp-connector1 --\ |
1348 | * |---> AIP1A |
1349 | * / |
1350 | * svideo-connector -| |
1351 | * \ |
1352 | * |---> AIP1B |
1353 | * comp-connector2 --/ |
1354 | * |
1355 | * We can't rely on user space that the current connector gets disabled |
1356 | * first before enabling the new connector. Disable all active |
1357 | * connector links to be on the safe side. |
1358 | */ |
1359 | err = tvp5150_disable_all_input_links(decoder); |
1360 | if (err) |
1361 | return err; |
1362 | |
1363 | tvp5150_s_routing(sd, input: is_svideo ? TVP5150_SVIDEO : tvp5150_pad->index, |
1364 | output: flags & MEDIA_LNK_FL_ENABLED ? TVP5150_NORMAL : |
1365 | TVP5150_BLACK_SCREEN, config: 0); |
1366 | |
1367 | if (flags & MEDIA_LNK_FL_ENABLED) { |
1368 | struct v4l2_fwnode_connector_analog *v4l2ca; |
1369 | u32 new_norm; |
1370 | |
1371 | /* |
1372 | * S-Video connector is conneted to both ports AIP1A and AIP1B. |
1373 | * Both links must be enabled in one-shot regardless which link |
1374 | * the user requests. |
1375 | */ |
1376 | if (is_svideo) { |
1377 | err = tvp5150_set_link(connector_pad: (struct media_pad *)remote, |
1378 | tvp5150_pad: other_tvp5150_pad, flags); |
1379 | if (err) |
1380 | return err; |
1381 | } |
1382 | |
1383 | if (!decoder->connectors_num) |
1384 | return 0; |
1385 | |
1386 | /* Update the current connector */ |
1387 | decoder->cur_connector = |
1388 | container_of(remote, struct tvp5150_connector, pad); |
1389 | |
1390 | /* |
1391 | * Do nothing if the new connector supports the same tv-norms as |
1392 | * the old one. |
1393 | */ |
1394 | v4l2ca = &decoder->cur_connector->base.connector.analog; |
1395 | new_norm = decoder->norm & v4l2ca->sdtv_stds; |
1396 | if (decoder->norm == new_norm) |
1397 | return 0; |
1398 | |
1399 | /* |
1400 | * Fallback to the new connector tv-norms if we can't find any |
1401 | * common between the current tv-norm and the new one. |
1402 | */ |
1403 | tvp5150_s_std(sd, std: new_norm ? new_norm : v4l2ca->sdtv_stds); |
1404 | } |
1405 | |
1406 | return 0; |
1407 | } |
1408 | |
1409 | static const struct media_entity_operations tvp5150_sd_media_ops = { |
1410 | .link_setup = tvp5150_link_setup, |
1411 | }; |
1412 | #endif |
1413 | /**************************************************************************** |
1414 | I2C Command |
1415 | ****************************************************************************/ |
1416 | static int __maybe_unused tvp5150_runtime_suspend(struct device *dev) |
1417 | { |
1418 | struct v4l2_subdev *sd = dev_get_drvdata(dev); |
1419 | struct tvp5150 *decoder = to_tvp5150(sd); |
1420 | |
1421 | if (decoder->irq) |
1422 | /* Disable lock interrupt */ |
1423 | return regmap_update_bits(map: decoder->regmap, |
1424 | TVP5150_INT_ENABLE_REG_A, |
1425 | TVP5150_INT_A_LOCK, val: 0); |
1426 | return 0; |
1427 | } |
1428 | |
1429 | static int __maybe_unused tvp5150_runtime_resume(struct device *dev) |
1430 | { |
1431 | struct v4l2_subdev *sd = dev_get_drvdata(dev); |
1432 | struct tvp5150 *decoder = to_tvp5150(sd); |
1433 | |
1434 | if (decoder->irq) |
1435 | /* Enable lock interrupt */ |
1436 | return regmap_update_bits(map: 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_resume_and_get(dev: sd->dev); |
1454 | if (ret < 0) |
1455 | return ret; |
1456 | |
1457 | tvp5150_enable(sd); |
1458 | |
1459 | /* Enable outputs if decoder is locked */ |
1460 | if (decoder->irq) |
1461 | val = decoder->lock ? decoder->oe : 0; |
1462 | else |
1463 | val = decoder->oe; |
1464 | |
1465 | v4l2_subdev_notify_event(sd: &decoder->sd, ev: &tvp5150_ev_fmt); |
1466 | } else { |
1467 | pm_runtime_put(dev: sd->dev); |
1468 | } |
1469 | |
1470 | regmap_update_bits(map: decoder->regmap, TVP5150_MISC_CTL, mask, val); |
1471 | |
1472 | return 0; |
1473 | } |
1474 | |
1475 | static int tvp5150_s_routing(struct v4l2_subdev *sd, |
1476 | u32 input, u32 output, u32 config) |
1477 | { |
1478 | struct tvp5150 *decoder = to_tvp5150(sd); |
1479 | |
1480 | decoder->input = input; |
1481 | decoder->output = output; |
1482 | |
1483 | if (output == TVP5150_BLACK_SCREEN) |
1484 | decoder->enable = false; |
1485 | else |
1486 | decoder->enable = true; |
1487 | |
1488 | tvp5150_selmux(sd); |
1489 | return 0; |
1490 | } |
1491 | |
1492 | static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) |
1493 | { |
1494 | struct tvp5150 *decoder = to_tvp5150(sd); |
1495 | |
1496 | /* |
1497 | * this is for capturing 36 raw vbi lines |
1498 | * if there's a way to cut off the beginning 2 vbi lines |
1499 | * with the tvp5150 then the vbi line count could be lowered |
1500 | * to 17 lines/field again, although I couldn't find a register |
1501 | * which could do that cropping |
1502 | */ |
1503 | |
1504 | if (fmt->sample_format == V4L2_PIX_FMT_GREY) |
1505 | regmap_write(map: decoder->regmap, TVP5150_LUMA_PROC_CTL_1, val: 0x70); |
1506 | if (fmt->count[0] == 18 && fmt->count[1] == 18) { |
1507 | regmap_write(map: decoder->regmap, TVP5150_VERT_BLANKING_START, |
1508 | val: 0x00); |
1509 | regmap_write(map: decoder->regmap, TVP5150_VERT_BLANKING_STOP, val: 0x01); |
1510 | } |
1511 | return 0; |
1512 | } |
1513 | |
1514 | static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) |
1515 | { |
1516 | struct tvp5150 *decoder = to_tvp5150(sd); |
1517 | int i; |
1518 | |
1519 | if (svbi->service_set != 0) { |
1520 | for (i = 0; i <= 23; i++) { |
1521 | svbi->service_lines[1][i] = 0; |
1522 | svbi->service_lines[0][i] = |
1523 | tvp5150_set_vbi(sd, type: svbi->service_lines[0][i], |
1524 | flags: 0xf0, line: i, fields: 3); |
1525 | } |
1526 | /* Enables FIFO */ |
1527 | regmap_write(map: decoder->regmap, TVP5150_FIFO_OUT_CTRL, val: 1); |
1528 | } else { |
1529 | /* Disables FIFO*/ |
1530 | regmap_write(map: decoder->regmap, TVP5150_FIFO_OUT_CTRL, val: 0); |
1531 | |
1532 | /* Disable Full Field */ |
1533 | regmap_write(map: decoder->regmap, TVP5150_FULL_FIELD_ENA, val: 0); |
1534 | |
1535 | /* Disable Line modes */ |
1536 | for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) |
1537 | regmap_write(map: decoder->regmap, reg: i, val: 0xff); |
1538 | } |
1539 | return 0; |
1540 | } |
1541 | |
1542 | static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) |
1543 | { |
1544 | int i, mask = 0; |
1545 | |
1546 | memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); |
1547 | |
1548 | for (i = 0; i <= 23; i++) { |
1549 | svbi->service_lines[0][i] = |
1550 | tvp5150_get_vbi(sd, line: i); |
1551 | mask |= svbi->service_lines[0][i]; |
1552 | } |
1553 | svbi->service_set = mask; |
1554 | return 0; |
1555 | } |
1556 | |
1557 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1558 | static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) |
1559 | { |
1560 | int res; |
1561 | |
1562 | res = tvp5150_read(sd, addr: reg->reg & 0xff); |
1563 | if (res < 0) { |
1564 | dev_err(sd->dev, "%s: failed with error = %d\n" , __func__, res); |
1565 | return res; |
1566 | } |
1567 | |
1568 | reg->val = res; |
1569 | reg->size = 1; |
1570 | return 0; |
1571 | } |
1572 | |
1573 | static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) |
1574 | { |
1575 | struct tvp5150 *decoder = to_tvp5150(sd); |
1576 | |
1577 | return regmap_write(map: decoder->regmap, reg: reg->reg & 0xff, val: reg->val & 0xff); |
1578 | } |
1579 | #endif |
1580 | |
1581 | static int tvp5150_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh, |
1582 | struct v4l2_event_subscription *sub) |
1583 | { |
1584 | switch (sub->type) { |
1585 | case V4L2_EVENT_SOURCE_CHANGE: |
1586 | return v4l2_src_change_event_subdev_subscribe(sd, fh, sub); |
1587 | case V4L2_EVENT_CTRL: |
1588 | return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub); |
1589 | default: |
1590 | return -EINVAL; |
1591 | } |
1592 | } |
1593 | |
1594 | static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
1595 | { |
1596 | int status = tvp5150_read(sd, addr: 0x88); |
1597 | |
1598 | vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; |
1599 | return 0; |
1600 | } |
1601 | |
1602 | static int tvp5150_registered(struct v4l2_subdev *sd) |
1603 | { |
1604 | #if defined(CONFIG_MEDIA_CONTROLLER) |
1605 | struct tvp5150 *decoder = to_tvp5150(sd); |
1606 | unsigned int i; |
1607 | int ret; |
1608 | |
1609 | /* |
1610 | * Setup connector pads and links. Enable the link to the first |
1611 | * available connector per default. |
1612 | */ |
1613 | for (i = 0; i < decoder->connectors_num; i++) { |
1614 | struct media_entity *con = &decoder->connectors[i].ent; |
1615 | struct media_pad *pad = &decoder->connectors[i].pad; |
1616 | struct v4l2_fwnode_connector *v4l2c = |
1617 | &decoder->connectors[i].base; |
1618 | struct v4l2_connector_link *link = |
1619 | v4l2_connector_first_link(v4l2c); |
1620 | unsigned int port = link->fwnode_link.remote_port; |
1621 | unsigned int flags = i ? 0 : MEDIA_LNK_FL_ENABLED; |
1622 | bool is_svideo = v4l2c->type == V4L2_CONN_SVIDEO; |
1623 | |
1624 | pad->flags = MEDIA_PAD_FL_SOURCE; |
1625 | ret = media_entity_pads_init(entity: con, num_pads: 1, pads: pad); |
1626 | if (ret < 0) |
1627 | goto err; |
1628 | |
1629 | ret = media_device_register_entity(mdev: sd->v4l2_dev->mdev, entity: con); |
1630 | if (ret < 0) |
1631 | goto err; |
1632 | |
1633 | ret = media_create_pad_link(source: con, source_pad: 0, sink: &sd->entity, sink_pad: port, flags); |
1634 | if (ret < 0) |
1635 | goto err; |
1636 | |
1637 | if (is_svideo) { |
1638 | /* |
1639 | * Check tvp5150_link_setup() comments for more |
1640 | * information. |
1641 | */ |
1642 | link = v4l2_connector_last_link(v4l2c); |
1643 | port = link->fwnode_link.remote_port; |
1644 | ret = media_create_pad_link(source: con, source_pad: 0, sink: &sd->entity, sink_pad: port, |
1645 | flags); |
1646 | if (ret < 0) |
1647 | goto err; |
1648 | } |
1649 | |
1650 | /* Enable default input. */ |
1651 | if (flags == MEDIA_LNK_FL_ENABLED) { |
1652 | decoder->input = |
1653 | is_svideo ? TVP5150_SVIDEO : |
1654 | port == 0 ? TVP5150_COMPOSITE0 : |
1655 | TVP5150_COMPOSITE1; |
1656 | |
1657 | tvp5150_selmux(sd); |
1658 | decoder->cur_connector = &decoder->connectors[i]; |
1659 | tvp5150_s_std(sd, std: v4l2c->connector.analog.sdtv_stds); |
1660 | } |
1661 | } |
1662 | |
1663 | return 0; |
1664 | |
1665 | err: |
1666 | for (i = 0; i < decoder->connectors_num; i++) { |
1667 | media_device_unregister_entity(entity: &decoder->connectors[i].ent); |
1668 | media_entity_cleanup(entity: &decoder->connectors[i].ent); |
1669 | } |
1670 | return ret; |
1671 | #endif |
1672 | |
1673 | return 0; |
1674 | } |
1675 | |
1676 | static int tvp5150_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) |
1677 | { |
1678 | return pm_runtime_resume_and_get(dev: sd->dev); |
1679 | } |
1680 | |
1681 | static int tvp5150_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) |
1682 | { |
1683 | pm_runtime_put(dev: sd->dev); |
1684 | |
1685 | return 0; |
1686 | } |
1687 | |
1688 | /* ----------------------------------------------------------------------- */ |
1689 | |
1690 | static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { |
1691 | .s_ctrl = tvp5150_s_ctrl, |
1692 | }; |
1693 | |
1694 | static const struct v4l2_subdev_core_ops tvp5150_core_ops = { |
1695 | .log_status = tvp5150_log_status, |
1696 | .reset = tvp5150_reset, |
1697 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
1698 | .g_register = tvp5150_g_register, |
1699 | .s_register = tvp5150_s_register, |
1700 | #endif |
1701 | .subscribe_event = tvp5150_subscribe_event, |
1702 | .unsubscribe_event = v4l2_event_subdev_unsubscribe, |
1703 | }; |
1704 | |
1705 | static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { |
1706 | .g_tuner = tvp5150_g_tuner, |
1707 | }; |
1708 | |
1709 | static const struct v4l2_subdev_video_ops tvp5150_video_ops = { |
1710 | .s_std = tvp5150_s_std, |
1711 | .g_std = tvp5150_g_std, |
1712 | .querystd = tvp5150_querystd, |
1713 | .s_stream = tvp5150_s_stream, |
1714 | .s_routing = tvp5150_s_routing, |
1715 | }; |
1716 | |
1717 | static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { |
1718 | .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, |
1719 | .g_sliced_fmt = tvp5150_g_sliced_fmt, |
1720 | .s_sliced_fmt = tvp5150_s_sliced_fmt, |
1721 | .s_raw_fmt = tvp5150_s_raw_fmt, |
1722 | }; |
1723 | |
1724 | static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { |
1725 | .enum_mbus_code = tvp5150_enum_mbus_code, |
1726 | .enum_frame_size = tvp5150_enum_frame_size, |
1727 | .set_fmt = tvp5150_fill_fmt, |
1728 | .get_fmt = tvp5150_fill_fmt, |
1729 | .get_selection = tvp5150_get_selection, |
1730 | .set_selection = tvp5150_set_selection, |
1731 | .get_mbus_config = tvp5150_get_mbus_config, |
1732 | }; |
1733 | |
1734 | static const struct v4l2_subdev_ops tvp5150_ops = { |
1735 | .core = &tvp5150_core_ops, |
1736 | .tuner = &tvp5150_tuner_ops, |
1737 | .video = &tvp5150_video_ops, |
1738 | .vbi = &tvp5150_vbi_ops, |
1739 | .pad = &tvp5150_pad_ops, |
1740 | }; |
1741 | |
1742 | static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = { |
1743 | .init_state = tvp5150_init_state, |
1744 | .registered = tvp5150_registered, |
1745 | .open = tvp5150_open, |
1746 | .close = tvp5150_close, |
1747 | }; |
1748 | |
1749 | /**************************************************************************** |
1750 | I2C Client & Driver |
1751 | ****************************************************************************/ |
1752 | |
1753 | static const struct regmap_range tvp5150_readable_ranges[] = { |
1754 | { |
1755 | .range_min = TVP5150_VD_IN_SRC_SEL_1, |
1756 | .range_max = TVP5150_AUTOSW_MSK, |
1757 | }, { |
1758 | .range_min = TVP5150_COLOR_KIL_THSH_CTL, |
1759 | .range_max = TVP5150_CONF_SHARED_PIN, |
1760 | }, { |
1761 | .range_min = TVP5150_ACT_VD_CROP_ST_MSB, |
1762 | .range_max = TVP5150_HORIZ_SYNC_START, |
1763 | }, { |
1764 | .range_min = TVP5150_VERT_BLANKING_START, |
1765 | .range_max = TVP5150_INTT_CONFIG_REG_B, |
1766 | }, { |
1767 | .range_min = TVP5150_VIDEO_STD, |
1768 | .range_max = TVP5150_VIDEO_STD, |
1769 | }, { |
1770 | .range_min = TVP5150_CB_GAIN_FACT, |
1771 | .range_max = TVP5150_REV_SELECT, |
1772 | }, { |
1773 | .range_min = TVP5150_MSB_DEV_ID, |
1774 | .range_max = TVP5150_STATUS_REG_5, |
1775 | }, { |
1776 | .range_min = TVP5150_CC_DATA_INI, |
1777 | .range_max = TVP5150_TELETEXT_FIL_ENA, |
1778 | }, { |
1779 | .range_min = TVP5150_INT_STATUS_REG_A, |
1780 | .range_max = TVP5150_FIFO_OUT_CTRL, |
1781 | }, { |
1782 | .range_min = TVP5150_FULL_FIELD_ENA, |
1783 | .range_max = TVP5150_FULL_FIELD_MODE_REG, |
1784 | }, |
1785 | }; |
1786 | |
1787 | static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg) |
1788 | { |
1789 | switch (reg) { |
1790 | case TVP5150_VERT_LN_COUNT_MSB: |
1791 | case TVP5150_VERT_LN_COUNT_LSB: |
1792 | case TVP5150_INT_STATUS_REG_A: |
1793 | case TVP5150_INT_STATUS_REG_B: |
1794 | case TVP5150_INT_ACTIVE_REG_B: |
1795 | case TVP5150_STATUS_REG_1: |
1796 | case TVP5150_STATUS_REG_2: |
1797 | case TVP5150_STATUS_REG_3: |
1798 | case TVP5150_STATUS_REG_4: |
1799 | case TVP5150_STATUS_REG_5: |
1800 | /* CC, WSS, VPS, VITC data? */ |
1801 | case TVP5150_VBI_FIFO_READ_DATA: |
1802 | case TVP5150_VDP_STATUS_REG: |
1803 | case TVP5150_FIFO_WORD_COUNT: |
1804 | return true; |
1805 | default: |
1806 | return false; |
1807 | } |
1808 | } |
1809 | |
1810 | static const struct regmap_access_table tvp5150_readable_table = { |
1811 | .yes_ranges = tvp5150_readable_ranges, |
1812 | .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges), |
1813 | }; |
1814 | |
1815 | static struct regmap_config tvp5150_config = { |
1816 | .reg_bits = 8, |
1817 | .val_bits = 8, |
1818 | .max_register = 0xff, |
1819 | |
1820 | .cache_type = REGCACHE_MAPLE, |
1821 | |
1822 | .rd_table = &tvp5150_readable_table, |
1823 | .volatile_reg = tvp5150_volatile_reg, |
1824 | }; |
1825 | |
1826 | static int tvp5150_detect_version(struct tvp5150 *core) |
1827 | { |
1828 | struct v4l2_subdev *sd = &core->sd; |
1829 | struct i2c_client *c = v4l2_get_subdevdata(sd); |
1830 | u8 regs[4]; |
1831 | int res; |
1832 | |
1833 | /* |
1834 | * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, |
1835 | * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER |
1836 | */ |
1837 | res = regmap_bulk_read(map: core->regmap, TVP5150_MSB_DEV_ID, val: regs, val_count: 4); |
1838 | if (res < 0) { |
1839 | dev_err(&c->dev, "reading ID registers failed: %d\n" , res); |
1840 | return res; |
1841 | } |
1842 | |
1843 | core->dev_id = (regs[0] << 8) | regs[1]; |
1844 | core->rom_ver = (regs[2] << 8) | regs[3]; |
1845 | |
1846 | dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n" , |
1847 | core->dev_id, regs[2], regs[3], c->addr << 1, |
1848 | c->adapter->name); |
1849 | |
1850 | if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { |
1851 | dev_info(sd->dev, "tvp5150a detected.\n" ); |
1852 | } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { |
1853 | dev_info(sd->dev, "tvp5150am1 detected.\n" ); |
1854 | |
1855 | /* ITU-T BT.656.4 timing */ |
1856 | regmap_write(map: core->regmap, TVP5150_REV_SELECT, val: 0); |
1857 | } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { |
1858 | dev_info(sd->dev, "tvp5151 detected.\n" ); |
1859 | } else { |
1860 | dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n" , |
1861 | core->dev_id); |
1862 | } |
1863 | |
1864 | return 0; |
1865 | } |
1866 | |
1867 | static int tvp5150_init(struct i2c_client *c) |
1868 | { |
1869 | struct gpio_desc *pdn_gpio; |
1870 | struct gpio_desc *reset_gpio; |
1871 | |
1872 | pdn_gpio = devm_gpiod_get_optional(dev: &c->dev, con_id: "pdn" , flags: GPIOD_OUT_HIGH); |
1873 | if (IS_ERR(ptr: pdn_gpio)) |
1874 | return PTR_ERR(ptr: pdn_gpio); |
1875 | |
1876 | if (pdn_gpio) { |
1877 | gpiod_set_value_cansleep(desc: pdn_gpio, value: 0); |
1878 | /* Delay time between power supplies active and reset */ |
1879 | msleep(msecs: 20); |
1880 | } |
1881 | |
1882 | reset_gpio = devm_gpiod_get_optional(dev: &c->dev, con_id: "reset" , flags: GPIOD_OUT_HIGH); |
1883 | if (IS_ERR(ptr: reset_gpio)) |
1884 | return PTR_ERR(ptr: reset_gpio); |
1885 | |
1886 | if (reset_gpio) { |
1887 | /* RESETB pulse duration */ |
1888 | ndelay(500); |
1889 | gpiod_set_value_cansleep(desc: reset_gpio, value: 0); |
1890 | /* Delay time between end of reset to I2C active */ |
1891 | usleep_range(min: 200, max: 250); |
1892 | } |
1893 | |
1894 | return 0; |
1895 | } |
1896 | |
1897 | #if defined(CONFIG_MEDIA_CONTROLLER) |
1898 | static int tvp5150_mc_init(struct tvp5150 *decoder) |
1899 | { |
1900 | struct v4l2_subdev *sd = &decoder->sd; |
1901 | unsigned int i; |
1902 | |
1903 | sd->entity.ops = &tvp5150_sd_media_ops; |
1904 | sd->entity.function = MEDIA_ENT_F_ATV_DECODER; |
1905 | |
1906 | for (i = 0; i < TVP5150_NUM_PADS - 1; i++) { |
1907 | decoder->pads[i].flags = MEDIA_PAD_FL_SINK; |
1908 | decoder->pads[i].sig_type = PAD_SIGNAL_ANALOG; |
1909 | } |
1910 | |
1911 | decoder->pads[i].flags = MEDIA_PAD_FL_SOURCE; |
1912 | decoder->pads[i].sig_type = PAD_SIGNAL_DV; |
1913 | |
1914 | return media_entity_pads_init(entity: &sd->entity, num_pads: TVP5150_NUM_PADS, |
1915 | pads: decoder->pads); |
1916 | } |
1917 | |
1918 | #else /* !defined(CONFIG_MEDIA_CONTROLLER) */ |
1919 | |
1920 | static inline int tvp5150_mc_init(struct tvp5150 *decoder) |
1921 | { |
1922 | return 0; |
1923 | } |
1924 | #endif /* defined(CONFIG_MEDIA_CONTROLLER) */ |
1925 | |
1926 | static int tvp5150_validate_connectors(struct tvp5150 *decoder) |
1927 | { |
1928 | struct device *dev = decoder->sd.dev; |
1929 | struct tvp5150_connector *tvpc; |
1930 | struct v4l2_fwnode_connector *v4l2c; |
1931 | unsigned int i; |
1932 | |
1933 | if (!decoder->connectors_num) { |
1934 | dev_err(dev, "No valid connector found\n" ); |
1935 | return -ENODEV; |
1936 | } |
1937 | |
1938 | for (i = 0; i < decoder->connectors_num; i++) { |
1939 | struct v4l2_connector_link *link0 = NULL; |
1940 | struct v4l2_connector_link *link1; |
1941 | |
1942 | tvpc = &decoder->connectors[i]; |
1943 | v4l2c = &tvpc->base; |
1944 | |
1945 | if (v4l2c->type == V4L2_CONN_COMPOSITE) { |
1946 | if (v4l2c->nr_of_links != 1) { |
1947 | dev_err(dev, "Composite: connector needs 1 link\n" ); |
1948 | return -EINVAL; |
1949 | } |
1950 | link0 = v4l2_connector_first_link(v4l2c); |
1951 | if (!link0) { |
1952 | dev_err(dev, "Composite: invalid first link\n" ); |
1953 | return -EINVAL; |
1954 | } |
1955 | if (link0->fwnode_link.remote_id == 1) { |
1956 | dev_err(dev, "Composite: invalid endpoint id\n" ); |
1957 | return -EINVAL; |
1958 | } |
1959 | } |
1960 | |
1961 | if (v4l2c->type == V4L2_CONN_SVIDEO) { |
1962 | if (v4l2c->nr_of_links != 2) { |
1963 | dev_err(dev, "SVideo: connector needs 2 links\n" ); |
1964 | return -EINVAL; |
1965 | } |
1966 | link0 = v4l2_connector_first_link(v4l2c); |
1967 | if (!link0) { |
1968 | dev_err(dev, "SVideo: invalid first link\n" ); |
1969 | return -EINVAL; |
1970 | } |
1971 | link1 = v4l2_connector_last_link(v4l2c); |
1972 | if (link0->fwnode_link.remote_port == |
1973 | link1->fwnode_link.remote_port) { |
1974 | dev_err(dev, "SVideo: invalid link setup\n" ); |
1975 | return -EINVAL; |
1976 | } |
1977 | } |
1978 | |
1979 | if (!(v4l2c->connector.analog.sdtv_stds & TVP5150_STD_MASK)) { |
1980 | dev_err(dev, "Unsupported tv-norm on connector %s\n" , |
1981 | v4l2c->name); |
1982 | return -EINVAL; |
1983 | } |
1984 | } |
1985 | |
1986 | return 0; |
1987 | } |
1988 | |
1989 | static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) |
1990 | { |
1991 | struct device *dev = decoder->sd.dev; |
1992 | struct v4l2_fwnode_endpoint bus_cfg = { |
1993 | .bus_type = V4L2_MBUS_UNKNOWN |
1994 | }; |
1995 | struct device_node *ep_np; |
1996 | struct tvp5150_connector *tvpc; |
1997 | struct v4l2_fwnode_connector *v4l2c; |
1998 | unsigned int flags, ep_num; |
1999 | unsigned int i; |
2000 | int ret; |
2001 | |
2002 | /* At least 1 output and 1 input */ |
2003 | ep_num = of_graph_get_endpoint_count(np); |
2004 | if (ep_num < 2 || ep_num > 5) { |
2005 | dev_err(dev, "At least 1 input and 1 output must be connected to the device.\n" ); |
2006 | return -EINVAL; |
2007 | } |
2008 | |
2009 | /* Layout if all connectors are used: |
2010 | * |
2011 | * tvp-5150 port@0 (AIP1A) |
2012 | * endpoint@0 -----------> Comp0-Con port |
2013 | * endpoint@1 --------+--> Svideo-Con port |
2014 | * tvp-5150 port@1 (AIP1B) | |
2015 | * endpoint@1 --------+ |
2016 | * endpoint@0 -----------> Comp1-Con port |
2017 | * tvp-5150 port@2 |
2018 | * endpoint (video bitstream output at YOUT[0-7] parallel bus) |
2019 | */ |
2020 | for_each_endpoint_of_node(np, ep_np) { |
2021 | struct fwnode_handle *ep_fwnode = of_fwnode_handle(ep_np); |
2022 | unsigned int next_connector = decoder->connectors_num; |
2023 | struct of_endpoint ep; |
2024 | |
2025 | of_graph_parse_endpoint(node: ep_np, endpoint: &ep); |
2026 | if (ep.port > 1 || ep.id > 1) { |
2027 | dev_dbg(dev, "Ignore connector on port@%u/ep@%u\n" , |
2028 | ep.port, ep.id); |
2029 | continue; |
2030 | } |
2031 | |
2032 | tvpc = &decoder->connectors[next_connector]; |
2033 | v4l2c = &tvpc->base; |
2034 | |
2035 | if (ep.port == 0 || (ep.port == 1 && ep.id == 0)) { |
2036 | ret = v4l2_fwnode_connector_parse(fwnode: ep_fwnode, connector: v4l2c); |
2037 | if (ret) |
2038 | goto err_put; |
2039 | ret = v4l2_fwnode_connector_add_link(fwnode: ep_fwnode, connector: v4l2c); |
2040 | if (ret) |
2041 | goto err_put; |
2042 | decoder->connectors_num++; |
2043 | } else { |
2044 | /* Adding the 2nd svideo link */ |
2045 | for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) { |
2046 | tvpc = &decoder->connectors[i]; |
2047 | v4l2c = &tvpc->base; |
2048 | if (v4l2c->type == V4L2_CONN_SVIDEO) |
2049 | break; |
2050 | } |
2051 | |
2052 | ret = v4l2_fwnode_connector_add_link(fwnode: ep_fwnode, connector: v4l2c); |
2053 | if (ret) |
2054 | goto err_put; |
2055 | } |
2056 | } |
2057 | |
2058 | ret = tvp5150_validate_connectors(decoder); |
2059 | if (ret) |
2060 | goto err_free; |
2061 | |
2062 | for (i = 0; i < decoder->connectors_num; i++) { |
2063 | tvpc = &decoder->connectors[i]; |
2064 | v4l2c = &tvpc->base; |
2065 | tvpc->ent.flags = MEDIA_ENT_FL_CONNECTOR; |
2066 | tvpc->ent.function = v4l2c->type == V4L2_CONN_SVIDEO ? |
2067 | MEDIA_ENT_F_CONN_SVIDEO : MEDIA_ENT_F_CONN_COMPOSITE; |
2068 | tvpc->ent.name = devm_kasprintf(dev, GFP_KERNEL, fmt: "%s %s" , |
2069 | v4l2c->name, v4l2c->label ? |
2070 | v4l2c->label : "" ); |
2071 | if (!tvpc->ent.name) { |
2072 | ret = -ENOMEM; |
2073 | goto err_free; |
2074 | } |
2075 | } |
2076 | |
2077 | ep_np = of_graph_get_endpoint_by_regs(parent: np, port_reg: TVP5150_PAD_VID_OUT, reg: 0); |
2078 | if (!ep_np) { |
2079 | ret = -EINVAL; |
2080 | dev_err(dev, "Error no output endpoint available\n" ); |
2081 | goto err_free; |
2082 | } |
2083 | ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_np), vep: &bus_cfg); |
2084 | of_node_put(node: ep_np); |
2085 | if (ret) |
2086 | goto err_free; |
2087 | |
2088 | flags = bus_cfg.bus.parallel.flags; |
2089 | if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && |
2090 | !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && |
2091 | flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && |
2092 | flags & V4L2_MBUS_FIELD_EVEN_LOW)) { |
2093 | ret = -EINVAL; |
2094 | goto err_free; |
2095 | } |
2096 | |
2097 | decoder->mbus_type = bus_cfg.bus_type; |
2098 | |
2099 | return 0; |
2100 | |
2101 | err_put: |
2102 | of_node_put(node: ep_np); |
2103 | err_free: |
2104 | for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) |
2105 | v4l2_fwnode_connector_free(connector: &decoder->connectors[i].base); |
2106 | |
2107 | return ret; |
2108 | } |
2109 | |
2110 | static const char * const tvp5150_test_patterns[2] = { |
2111 | "Disabled" , |
2112 | "Black screen" |
2113 | }; |
2114 | |
2115 | static int tvp5150_probe(struct i2c_client *c) |
2116 | { |
2117 | struct tvp5150 *core; |
2118 | struct v4l2_subdev *sd; |
2119 | struct device_node *np = c->dev.of_node; |
2120 | struct regmap *map; |
2121 | unsigned int i; |
2122 | int res; |
2123 | |
2124 | /* Check if the adapter supports the needed features */ |
2125 | if (!i2c_check_functionality(adap: c->adapter, |
2126 | I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) |
2127 | return -EIO; |
2128 | |
2129 | res = tvp5150_init(c); |
2130 | if (res) |
2131 | return res; |
2132 | |
2133 | core = devm_kzalloc(dev: &c->dev, size: sizeof(*core), GFP_KERNEL); |
2134 | if (!core) |
2135 | return -ENOMEM; |
2136 | |
2137 | map = devm_regmap_init_i2c(c, &tvp5150_config); |
2138 | if (IS_ERR(ptr: map)) |
2139 | return PTR_ERR(ptr: map); |
2140 | |
2141 | core->regmap = map; |
2142 | sd = &core->sd; |
2143 | v4l2_i2c_subdev_init(sd, client: c, ops: &tvp5150_ops); |
2144 | sd->internal_ops = &tvp5150_internal_ops; |
2145 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; |
2146 | |
2147 | if (IS_ENABLED(CONFIG_OF) && np) { |
2148 | res = tvp5150_parse_dt(decoder: core, np); |
2149 | if (res) { |
2150 | dev_err(sd->dev, "DT parsing error: %d\n" , res); |
2151 | return res; |
2152 | } |
2153 | } else { |
2154 | /* Default to BT.656 embedded sync */ |
2155 | core->mbus_type = V4L2_MBUS_BT656; |
2156 | } |
2157 | |
2158 | res = tvp5150_mc_init(decoder: core); |
2159 | if (res) |
2160 | return res; |
2161 | |
2162 | res = tvp5150_detect_version(core); |
2163 | if (res < 0) |
2164 | return res; |
2165 | |
2166 | /* |
2167 | * Iterate over all available connectors in case they are supported and |
2168 | * successfully parsed. Fallback to default autodetect in case they |
2169 | * aren't supported. |
2170 | */ |
2171 | for (i = 0; i < core->connectors_num; i++) { |
2172 | struct v4l2_fwnode_connector *v4l2c; |
2173 | |
2174 | v4l2c = &core->connectors[i].base; |
2175 | core->norm |= v4l2c->connector.analog.sdtv_stds; |
2176 | } |
2177 | |
2178 | if (!core->connectors_num) |
2179 | core->norm = V4L2_STD_ALL; |
2180 | |
2181 | core->detected_norm = V4L2_STD_UNKNOWN; |
2182 | core->input = TVP5150_COMPOSITE1; |
2183 | core->enable = true; |
2184 | |
2185 | v4l2_ctrl_handler_init(&core->hdl, 5); |
2186 | v4l2_ctrl_new_std(hdl: &core->hdl, ops: &tvp5150_ctrl_ops, |
2187 | V4L2_CID_BRIGHTNESS, min: 0, max: 255, step: 1, def: 128); |
2188 | v4l2_ctrl_new_std(hdl: &core->hdl, ops: &tvp5150_ctrl_ops, |
2189 | V4L2_CID_CONTRAST, min: 0, max: 255, step: 1, def: 128); |
2190 | v4l2_ctrl_new_std(hdl: &core->hdl, ops: &tvp5150_ctrl_ops, |
2191 | V4L2_CID_SATURATION, min: 0, max: 255, step: 1, def: 128); |
2192 | v4l2_ctrl_new_std(hdl: &core->hdl, ops: &tvp5150_ctrl_ops, |
2193 | V4L2_CID_HUE, min: -128, max: 127, step: 1, def: 0); |
2194 | v4l2_ctrl_new_std(hdl: &core->hdl, ops: &tvp5150_ctrl_ops, |
2195 | V4L2_CID_PIXEL_RATE, min: 27000000, |
2196 | max: 27000000, step: 1, def: 27000000); |
2197 | v4l2_ctrl_new_std_menu_items(hdl: &core->hdl, ops: &tvp5150_ctrl_ops, |
2198 | V4L2_CID_TEST_PATTERN, |
2199 | ARRAY_SIZE(tvp5150_test_patterns) - 1, |
2200 | mask: 0, def: 0, qmenu: tvp5150_test_patterns); |
2201 | sd->ctrl_handler = &core->hdl; |
2202 | if (core->hdl.error) { |
2203 | res = core->hdl.error; |
2204 | goto err; |
2205 | } |
2206 | |
2207 | tvp5150_set_default(std: tvp5150_read_std(sd), crop: &core->rect); |
2208 | |
2209 | core->irq = c->irq; |
2210 | tvp5150_reset(sd, val: 0); /* Calls v4l2_ctrl_handler_setup() */ |
2211 | if (c->irq) { |
2212 | res = devm_request_threaded_irq(dev: &c->dev, irq: c->irq, NULL, |
2213 | thread_fn: tvp5150_isr, IRQF_TRIGGER_HIGH | |
2214 | IRQF_ONESHOT, devname: "tvp5150" , dev_id: core); |
2215 | if (res) |
2216 | goto err; |
2217 | } |
2218 | |
2219 | res = v4l2_async_register_subdev(sd); |
2220 | if (res < 0) |
2221 | goto err; |
2222 | |
2223 | if (debug > 1) |
2224 | tvp5150_log_status(sd); |
2225 | |
2226 | pm_runtime_set_active(dev: &c->dev); |
2227 | pm_runtime_enable(dev: &c->dev); |
2228 | pm_runtime_idle(dev: &c->dev); |
2229 | |
2230 | return 0; |
2231 | |
2232 | err: |
2233 | v4l2_ctrl_handler_free(hdl: &core->hdl); |
2234 | return res; |
2235 | } |
2236 | |
2237 | static void tvp5150_remove(struct i2c_client *c) |
2238 | { |
2239 | struct v4l2_subdev *sd = i2c_get_clientdata(client: c); |
2240 | struct tvp5150 *decoder = to_tvp5150(sd); |
2241 | unsigned int i; |
2242 | |
2243 | dev_dbg_lvl(sd->dev, 1, debug, |
2244 | "tvp5150.c: removing tvp5150 adapter on address 0x%x\n" , |
2245 | c->addr << 1); |
2246 | |
2247 | for (i = 0; i < decoder->connectors_num; i++) |
2248 | v4l2_fwnode_connector_free(connector: &decoder->connectors[i].base); |
2249 | for (i = 0; i < decoder->connectors_num; i++) { |
2250 | media_device_unregister_entity(entity: &decoder->connectors[i].ent); |
2251 | media_entity_cleanup(entity: &decoder->connectors[i].ent); |
2252 | } |
2253 | v4l2_async_unregister_subdev(sd); |
2254 | v4l2_ctrl_handler_free(hdl: &decoder->hdl); |
2255 | pm_runtime_disable(dev: &c->dev); |
2256 | pm_runtime_set_suspended(dev: &c->dev); |
2257 | } |
2258 | |
2259 | /* ----------------------------------------------------------------------- */ |
2260 | |
2261 | static const struct dev_pm_ops tvp5150_pm_ops = { |
2262 | SET_RUNTIME_PM_OPS(tvp5150_runtime_suspend, |
2263 | tvp5150_runtime_resume, |
2264 | NULL) |
2265 | }; |
2266 | |
2267 | static const struct i2c_device_id tvp5150_id[] = { |
2268 | { "tvp5150" , 0 }, |
2269 | { } |
2270 | }; |
2271 | MODULE_DEVICE_TABLE(i2c, tvp5150_id); |
2272 | |
2273 | #if IS_ENABLED(CONFIG_OF) |
2274 | static const struct of_device_id tvp5150_of_match[] = { |
2275 | { .compatible = "ti,tvp5150" , }, |
2276 | { /* sentinel */ }, |
2277 | }; |
2278 | MODULE_DEVICE_TABLE(of, tvp5150_of_match); |
2279 | #endif |
2280 | |
2281 | static struct i2c_driver tvp5150_driver = { |
2282 | .driver = { |
2283 | .of_match_table = of_match_ptr(tvp5150_of_match), |
2284 | .name = "tvp5150" , |
2285 | .pm = &tvp5150_pm_ops, |
2286 | }, |
2287 | .probe = tvp5150_probe, |
2288 | .remove = tvp5150_remove, |
2289 | .id_table = tvp5150_id, |
2290 | }; |
2291 | |
2292 | module_i2c_driver(tvp5150_driver); |
2293 | |