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a89bcd4c HV |
1 | /* |
2 | * adv7842 - Analog Devices ADV7842 video decoder driver | |
3 | * | |
4 | * Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved. | |
5 | * | |
6 | * This program is free software; you may redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; version 2 of the License. | |
9 | * | |
10 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
11 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
12 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
13 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
14 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
15 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
16 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
17 | * SOFTWARE. | |
18 | * | |
19 | */ | |
20 | ||
21 | /* | |
22 | * References (c = chapter, p = page): | |
5b64b205 MR |
23 | * REF_01 - Analog devices, ADV7842, |
24 | * Register Settings Recommendations, Rev. 1.9, April 2011 | |
7de6fab1 MR |
25 | * REF_02 - Analog devices, Software User Guide, UG-206, |
26 | * ADV7842 I2C Register Maps, Rev. 0, November 2010 | |
5b64b205 MR |
27 | * REF_03 - Analog devices, Hardware User Guide, UG-214, |
28 | * ADV7842 Fast Switching 2:1 HDMI 1.4 Receiver with 3D-Comb | |
29 | * Decoder and Digitizer , Rev. 0, January 2011 | |
a89bcd4c HV |
30 | */ |
31 | ||
32 | ||
33 | #include <linux/kernel.h> | |
34 | #include <linux/module.h> | |
35 | #include <linux/slab.h> | |
36 | #include <linux/i2c.h> | |
37 | #include <linux/delay.h> | |
38 | #include <linux/videodev2.h> | |
39 | #include <linux/workqueue.h> | |
40 | #include <linux/v4l2-dv-timings.h> | |
09f90c53 | 41 | #include <linux/hdmi.h> |
a89bcd4c HV |
42 | #include <media/v4l2-device.h> |
43 | #include <media/v4l2-ctrls.h> | |
44 | #include <media/v4l2-dv-timings.h> | |
45 | #include <media/adv7842.h> | |
46 | ||
47 | static int debug; | |
48 | module_param(debug, int, 0644); | |
49 | MODULE_PARM_DESC(debug, "debug level (0-2)"); | |
50 | ||
51 | MODULE_DESCRIPTION("Analog Devices ADV7842 video decoder driver"); | |
52 | MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>"); | |
53 | MODULE_AUTHOR("Martin Bugge <marbugge@cisco.com>"); | |
54 | MODULE_LICENSE("GPL"); | |
55 | ||
56 | /* ADV7842 system clock frequency */ | |
57 | #define ADV7842_fsc (28636360) | |
58 | ||
59 | /* | |
60 | ********************************************************************** | |
61 | * | |
62 | * Arrays with configuration parameters for the ADV7842 | |
63 | * | |
64 | ********************************************************************** | |
65 | */ | |
66 | ||
67 | struct adv7842_state { | |
7de5be44 | 68 | struct adv7842_platform_data pdata; |
a89bcd4c HV |
69 | struct v4l2_subdev sd; |
70 | struct media_pad pad; | |
71 | struct v4l2_ctrl_handler hdl; | |
72 | enum adv7842_mode mode; | |
73 | struct v4l2_dv_timings timings; | |
74 | enum adv7842_vid_std_select vid_std_select; | |
75 | v4l2_std_id norm; | |
76 | struct { | |
77 | u8 edid[256]; | |
78 | u32 present; | |
79 | } hdmi_edid; | |
80 | struct { | |
81 | u8 edid[256]; | |
82 | u32 present; | |
83 | } vga_edid; | |
84 | struct v4l2_fract aspect_ratio; | |
85 | u32 rgb_quantization_range; | |
86 | bool is_cea_format; | |
87 | struct workqueue_struct *work_queues; | |
88 | struct delayed_work delayed_work_enable_hotplug; | |
6e9071f2 | 89 | bool restart_stdi_once; |
a89bcd4c HV |
90 | bool hdmi_port_a; |
91 | ||
92 | /* i2c clients */ | |
93 | struct i2c_client *i2c_sdp_io; | |
94 | struct i2c_client *i2c_sdp; | |
95 | struct i2c_client *i2c_cp; | |
96 | struct i2c_client *i2c_vdp; | |
97 | struct i2c_client *i2c_afe; | |
98 | struct i2c_client *i2c_hdmi; | |
99 | struct i2c_client *i2c_repeater; | |
100 | struct i2c_client *i2c_edid; | |
101 | struct i2c_client *i2c_infoframe; | |
102 | struct i2c_client *i2c_cec; | |
103 | struct i2c_client *i2c_avlink; | |
104 | ||
105 | /* controls */ | |
106 | struct v4l2_ctrl *detect_tx_5v_ctrl; | |
107 | struct v4l2_ctrl *analog_sampling_phase_ctrl; | |
108 | struct v4l2_ctrl *free_run_color_ctrl_manual; | |
109 | struct v4l2_ctrl *free_run_color_ctrl; | |
110 | struct v4l2_ctrl *rgb_quantization_range_ctrl; | |
111 | }; | |
112 | ||
113 | /* Unsupported timings. This device cannot support 720p30. */ | |
114 | static const struct v4l2_dv_timings adv7842_timings_exceptions[] = { | |
115 | V4L2_DV_BT_CEA_1280X720P30, | |
116 | { } | |
117 | }; | |
118 | ||
119 | static bool adv7842_check_dv_timings(const struct v4l2_dv_timings *t, void *hdl) | |
120 | { | |
121 | int i; | |
122 | ||
123 | for (i = 0; adv7842_timings_exceptions[i].bt.width; i++) | |
124 | if (v4l2_match_dv_timings(t, adv7842_timings_exceptions + i, 0)) | |
125 | return false; | |
126 | return true; | |
127 | } | |
128 | ||
129 | struct adv7842_video_standards { | |
130 | struct v4l2_dv_timings timings; | |
131 | u8 vid_std; | |
132 | u8 v_freq; | |
133 | }; | |
134 | ||
135 | /* sorted by number of lines */ | |
136 | static const struct adv7842_video_standards adv7842_prim_mode_comp[] = { | |
137 | /* { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, TODO flickering */ | |
138 | { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 }, | |
139 | { V4L2_DV_BT_CEA_1280X720P50, 0x19, 0x01 }, | |
140 | { V4L2_DV_BT_CEA_1280X720P60, 0x19, 0x00 }, | |
141 | { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 }, | |
142 | { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 }, | |
143 | { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 }, | |
144 | { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 }, | |
145 | { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 }, | |
146 | /* TODO add 1920x1080P60_RB (CVT timing) */ | |
147 | { }, | |
148 | }; | |
149 | ||
150 | /* sorted by number of lines */ | |
151 | static const struct adv7842_video_standards adv7842_prim_mode_gr[] = { | |
152 | { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 }, | |
153 | { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 }, | |
154 | { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 }, | |
155 | { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 }, | |
156 | { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 }, | |
157 | { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 }, | |
158 | { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 }, | |
159 | { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 }, | |
160 | { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 }, | |
161 | { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 }, | |
162 | { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 }, | |
163 | { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 }, | |
164 | { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 }, | |
165 | { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 }, | |
166 | { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 }, | |
167 | { V4L2_DV_BT_DMT_1360X768P60, 0x12, 0x00 }, | |
168 | { V4L2_DV_BT_DMT_1366X768P60, 0x13, 0x00 }, | |
169 | { V4L2_DV_BT_DMT_1400X1050P60, 0x14, 0x00 }, | |
170 | { V4L2_DV_BT_DMT_1400X1050P75, 0x15, 0x00 }, | |
171 | { V4L2_DV_BT_DMT_1600X1200P60, 0x16, 0x00 }, /* TODO not tested */ | |
172 | /* TODO add 1600X1200P60_RB (not a DMT timing) */ | |
173 | { V4L2_DV_BT_DMT_1680X1050P60, 0x18, 0x00 }, | |
174 | { V4L2_DV_BT_DMT_1920X1200P60_RB, 0x19, 0x00 }, /* TODO not tested */ | |
175 | { }, | |
176 | }; | |
177 | ||
178 | /* sorted by number of lines */ | |
179 | static const struct adv7842_video_standards adv7842_prim_mode_hdmi_comp[] = { | |
180 | { V4L2_DV_BT_CEA_720X480P59_94, 0x0a, 0x00 }, | |
181 | { V4L2_DV_BT_CEA_720X576P50, 0x0b, 0x00 }, | |
182 | { V4L2_DV_BT_CEA_1280X720P50, 0x13, 0x01 }, | |
183 | { V4L2_DV_BT_CEA_1280X720P60, 0x13, 0x00 }, | |
184 | { V4L2_DV_BT_CEA_1920X1080P24, 0x1e, 0x04 }, | |
185 | { V4L2_DV_BT_CEA_1920X1080P25, 0x1e, 0x03 }, | |
186 | { V4L2_DV_BT_CEA_1920X1080P30, 0x1e, 0x02 }, | |
187 | { V4L2_DV_BT_CEA_1920X1080P50, 0x1e, 0x01 }, | |
188 | { V4L2_DV_BT_CEA_1920X1080P60, 0x1e, 0x00 }, | |
189 | { }, | |
190 | }; | |
191 | ||
192 | /* sorted by number of lines */ | |
193 | static const struct adv7842_video_standards adv7842_prim_mode_hdmi_gr[] = { | |
194 | { V4L2_DV_BT_DMT_640X480P60, 0x08, 0x00 }, | |
195 | { V4L2_DV_BT_DMT_640X480P72, 0x09, 0x00 }, | |
196 | { V4L2_DV_BT_DMT_640X480P75, 0x0a, 0x00 }, | |
197 | { V4L2_DV_BT_DMT_640X480P85, 0x0b, 0x00 }, | |
198 | { V4L2_DV_BT_DMT_800X600P56, 0x00, 0x00 }, | |
199 | { V4L2_DV_BT_DMT_800X600P60, 0x01, 0x00 }, | |
200 | { V4L2_DV_BT_DMT_800X600P72, 0x02, 0x00 }, | |
201 | { V4L2_DV_BT_DMT_800X600P75, 0x03, 0x00 }, | |
202 | { V4L2_DV_BT_DMT_800X600P85, 0x04, 0x00 }, | |
203 | { V4L2_DV_BT_DMT_1024X768P60, 0x0c, 0x00 }, | |
204 | { V4L2_DV_BT_DMT_1024X768P70, 0x0d, 0x00 }, | |
205 | { V4L2_DV_BT_DMT_1024X768P75, 0x0e, 0x00 }, | |
206 | { V4L2_DV_BT_DMT_1024X768P85, 0x0f, 0x00 }, | |
207 | { V4L2_DV_BT_DMT_1280X1024P60, 0x05, 0x00 }, | |
208 | { V4L2_DV_BT_DMT_1280X1024P75, 0x06, 0x00 }, | |
209 | { }, | |
210 | }; | |
211 | ||
212 | /* ----------------------------------------------------------------------- */ | |
213 | ||
214 | static inline struct adv7842_state *to_state(struct v4l2_subdev *sd) | |
215 | { | |
216 | return container_of(sd, struct adv7842_state, sd); | |
217 | } | |
218 | ||
219 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) | |
220 | { | |
221 | return &container_of(ctrl->handler, struct adv7842_state, hdl)->sd; | |
222 | } | |
223 | ||
a89bcd4c HV |
224 | static inline unsigned htotal(const struct v4l2_bt_timings *t) |
225 | { | |
226 | return V4L2_DV_BT_FRAME_WIDTH(t); | |
227 | } | |
228 | ||
a89bcd4c HV |
229 | static inline unsigned vtotal(const struct v4l2_bt_timings *t) |
230 | { | |
231 | return V4L2_DV_BT_FRAME_HEIGHT(t); | |
232 | } | |
233 | ||
234 | ||
235 | /* ----------------------------------------------------------------------- */ | |
236 | ||
237 | static s32 adv_smbus_read_byte_data_check(struct i2c_client *client, | |
238 | u8 command, bool check) | |
239 | { | |
240 | union i2c_smbus_data data; | |
241 | ||
242 | if (!i2c_smbus_xfer(client->adapter, client->addr, client->flags, | |
243 | I2C_SMBUS_READ, command, | |
244 | I2C_SMBUS_BYTE_DATA, &data)) | |
245 | return data.byte; | |
246 | if (check) | |
247 | v4l_err(client, "error reading %02x, %02x\n", | |
248 | client->addr, command); | |
249 | return -EIO; | |
250 | } | |
251 | ||
252 | static s32 adv_smbus_read_byte_data(struct i2c_client *client, u8 command) | |
253 | { | |
254 | int i; | |
255 | ||
256 | for (i = 0; i < 3; i++) { | |
257 | int ret = adv_smbus_read_byte_data_check(client, command, true); | |
258 | ||
259 | if (ret >= 0) { | |
260 | if (i) | |
261 | v4l_err(client, "read ok after %d retries\n", i); | |
262 | return ret; | |
263 | } | |
264 | } | |
265 | v4l_err(client, "read failed\n"); | |
266 | return -EIO; | |
267 | } | |
268 | ||
269 | static s32 adv_smbus_write_byte_data(struct i2c_client *client, | |
270 | u8 command, u8 value) | |
271 | { | |
272 | union i2c_smbus_data data; | |
273 | int err; | |
274 | int i; | |
275 | ||
276 | data.byte = value; | |
277 | for (i = 0; i < 3; i++) { | |
278 | err = i2c_smbus_xfer(client->adapter, client->addr, | |
279 | client->flags, | |
280 | I2C_SMBUS_WRITE, command, | |
281 | I2C_SMBUS_BYTE_DATA, &data); | |
282 | if (!err) | |
283 | break; | |
284 | } | |
285 | if (err < 0) | |
286 | v4l_err(client, "error writing %02x, %02x, %02x\n", | |
287 | client->addr, command, value); | |
288 | return err; | |
289 | } | |
290 | ||
291 | static void adv_smbus_write_byte_no_check(struct i2c_client *client, | |
292 | u8 command, u8 value) | |
293 | { | |
294 | union i2c_smbus_data data; | |
295 | data.byte = value; | |
296 | ||
297 | i2c_smbus_xfer(client->adapter, client->addr, | |
298 | client->flags, | |
299 | I2C_SMBUS_WRITE, command, | |
300 | I2C_SMBUS_BYTE_DATA, &data); | |
301 | } | |
302 | ||
303 | static s32 adv_smbus_write_i2c_block_data(struct i2c_client *client, | |
304 | u8 command, unsigned length, const u8 *values) | |
305 | { | |
306 | union i2c_smbus_data data; | |
307 | ||
308 | if (length > I2C_SMBUS_BLOCK_MAX) | |
309 | length = I2C_SMBUS_BLOCK_MAX; | |
310 | data.block[0] = length; | |
311 | memcpy(data.block + 1, values, length); | |
312 | return i2c_smbus_xfer(client->adapter, client->addr, client->flags, | |
313 | I2C_SMBUS_WRITE, command, | |
314 | I2C_SMBUS_I2C_BLOCK_DATA, &data); | |
315 | } | |
316 | ||
317 | /* ----------------------------------------------------------------------- */ | |
318 | ||
319 | static inline int io_read(struct v4l2_subdev *sd, u8 reg) | |
320 | { | |
321 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
322 | ||
323 | return adv_smbus_read_byte_data(client, reg); | |
324 | } | |
325 | ||
326 | static inline int io_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
327 | { | |
328 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
329 | ||
330 | return adv_smbus_write_byte_data(client, reg, val); | |
331 | } | |
332 | ||
333 | static inline int io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) | |
334 | { | |
335 | return io_write(sd, reg, (io_read(sd, reg) & mask) | val); | |
336 | } | |
337 | ||
338 | static inline int avlink_read(struct v4l2_subdev *sd, u8 reg) | |
339 | { | |
340 | struct adv7842_state *state = to_state(sd); | |
341 | ||
342 | return adv_smbus_read_byte_data(state->i2c_avlink, reg); | |
343 | } | |
344 | ||
345 | static inline int avlink_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
346 | { | |
347 | struct adv7842_state *state = to_state(sd); | |
348 | ||
349 | return adv_smbus_write_byte_data(state->i2c_avlink, reg, val); | |
350 | } | |
351 | ||
352 | static inline int cec_read(struct v4l2_subdev *sd, u8 reg) | |
353 | { | |
354 | struct adv7842_state *state = to_state(sd); | |
355 | ||
356 | return adv_smbus_read_byte_data(state->i2c_cec, reg); | |
357 | } | |
358 | ||
359 | static inline int cec_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
360 | { | |
361 | struct adv7842_state *state = to_state(sd); | |
362 | ||
363 | return adv_smbus_write_byte_data(state->i2c_cec, reg, val); | |
364 | } | |
365 | ||
366 | static inline int cec_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) | |
367 | { | |
368 | return cec_write(sd, reg, (cec_read(sd, reg) & mask) | val); | |
369 | } | |
370 | ||
371 | static inline int infoframe_read(struct v4l2_subdev *sd, u8 reg) | |
372 | { | |
373 | struct adv7842_state *state = to_state(sd); | |
374 | ||
375 | return adv_smbus_read_byte_data(state->i2c_infoframe, reg); | |
376 | } | |
377 | ||
378 | static inline int infoframe_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
379 | { | |
380 | struct adv7842_state *state = to_state(sd); | |
381 | ||
382 | return adv_smbus_write_byte_data(state->i2c_infoframe, reg, val); | |
383 | } | |
384 | ||
385 | static inline int sdp_io_read(struct v4l2_subdev *sd, u8 reg) | |
386 | { | |
387 | struct adv7842_state *state = to_state(sd); | |
388 | ||
389 | return adv_smbus_read_byte_data(state->i2c_sdp_io, reg); | |
390 | } | |
391 | ||
392 | static inline int sdp_io_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
393 | { | |
394 | struct adv7842_state *state = to_state(sd); | |
395 | ||
396 | return adv_smbus_write_byte_data(state->i2c_sdp_io, reg, val); | |
397 | } | |
398 | ||
399 | static inline int sdp_io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) | |
400 | { | |
401 | return sdp_io_write(sd, reg, (sdp_io_read(sd, reg) & mask) | val); | |
402 | } | |
403 | ||
404 | static inline int sdp_read(struct v4l2_subdev *sd, u8 reg) | |
405 | { | |
406 | struct adv7842_state *state = to_state(sd); | |
407 | ||
408 | return adv_smbus_read_byte_data(state->i2c_sdp, reg); | |
409 | } | |
410 | ||
411 | static inline int sdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
412 | { | |
413 | struct adv7842_state *state = to_state(sd); | |
414 | ||
415 | return adv_smbus_write_byte_data(state->i2c_sdp, reg, val); | |
416 | } | |
417 | ||
418 | static inline int sdp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) | |
419 | { | |
420 | return sdp_write(sd, reg, (sdp_read(sd, reg) & mask) | val); | |
421 | } | |
422 | ||
423 | static inline int afe_read(struct v4l2_subdev *sd, u8 reg) | |
424 | { | |
425 | struct adv7842_state *state = to_state(sd); | |
426 | ||
427 | return adv_smbus_read_byte_data(state->i2c_afe, reg); | |
428 | } | |
429 | ||
430 | static inline int afe_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
431 | { | |
432 | struct adv7842_state *state = to_state(sd); | |
433 | ||
434 | return adv_smbus_write_byte_data(state->i2c_afe, reg, val); | |
435 | } | |
436 | ||
437 | static inline int afe_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) | |
438 | { | |
439 | return afe_write(sd, reg, (afe_read(sd, reg) & mask) | val); | |
440 | } | |
441 | ||
442 | static inline int rep_read(struct v4l2_subdev *sd, u8 reg) | |
443 | { | |
444 | struct adv7842_state *state = to_state(sd); | |
445 | ||
446 | return adv_smbus_read_byte_data(state->i2c_repeater, reg); | |
447 | } | |
448 | ||
449 | static inline int rep_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
450 | { | |
451 | struct adv7842_state *state = to_state(sd); | |
452 | ||
453 | return adv_smbus_write_byte_data(state->i2c_repeater, reg, val); | |
454 | } | |
455 | ||
456 | static inline int rep_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) | |
457 | { | |
458 | return rep_write(sd, reg, (rep_read(sd, reg) & mask) | val); | |
459 | } | |
460 | ||
461 | static inline int edid_read(struct v4l2_subdev *sd, u8 reg) | |
462 | { | |
463 | struct adv7842_state *state = to_state(sd); | |
464 | ||
465 | return adv_smbus_read_byte_data(state->i2c_edid, reg); | |
466 | } | |
467 | ||
468 | static inline int edid_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
469 | { | |
470 | struct adv7842_state *state = to_state(sd); | |
471 | ||
472 | return adv_smbus_write_byte_data(state->i2c_edid, reg, val); | |
473 | } | |
474 | ||
475 | static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg) | |
476 | { | |
477 | struct adv7842_state *state = to_state(sd); | |
478 | ||
479 | return adv_smbus_read_byte_data(state->i2c_hdmi, reg); | |
480 | } | |
481 | ||
482 | static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
483 | { | |
484 | struct adv7842_state *state = to_state(sd); | |
485 | ||
486 | return adv_smbus_write_byte_data(state->i2c_hdmi, reg, val); | |
487 | } | |
488 | ||
5b64b205 MR |
489 | static inline int hdmi_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) |
490 | { | |
491 | return hdmi_write(sd, reg, (hdmi_read(sd, reg) & mask) | val); | |
492 | } | |
493 | ||
a89bcd4c HV |
494 | static inline int cp_read(struct v4l2_subdev *sd, u8 reg) |
495 | { | |
496 | struct adv7842_state *state = to_state(sd); | |
497 | ||
498 | return adv_smbus_read_byte_data(state->i2c_cp, reg); | |
499 | } | |
500 | ||
501 | static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
502 | { | |
503 | struct adv7842_state *state = to_state(sd); | |
504 | ||
505 | return adv_smbus_write_byte_data(state->i2c_cp, reg, val); | |
506 | } | |
507 | ||
508 | static inline int cp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) | |
509 | { | |
510 | return cp_write(sd, reg, (cp_read(sd, reg) & mask) | val); | |
511 | } | |
512 | ||
513 | static inline int vdp_read(struct v4l2_subdev *sd, u8 reg) | |
514 | { | |
515 | struct adv7842_state *state = to_state(sd); | |
516 | ||
517 | return adv_smbus_read_byte_data(state->i2c_vdp, reg); | |
518 | } | |
519 | ||
520 | static inline int vdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) | |
521 | { | |
522 | struct adv7842_state *state = to_state(sd); | |
523 | ||
524 | return adv_smbus_write_byte_data(state->i2c_vdp, reg, val); | |
525 | } | |
526 | ||
527 | static void main_reset(struct v4l2_subdev *sd) | |
528 | { | |
529 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
530 | ||
531 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); | |
532 | ||
533 | adv_smbus_write_byte_no_check(client, 0xff, 0x80); | |
534 | ||
84aeed53 | 535 | mdelay(5); |
a89bcd4c HV |
536 | } |
537 | ||
538 | /* ----------------------------------------------------------------------- */ | |
539 | ||
933913da MB |
540 | static inline bool is_analog_input(struct v4l2_subdev *sd) |
541 | { | |
542 | struct adv7842_state *state = to_state(sd); | |
543 | ||
544 | return ((state->mode == ADV7842_MODE_RGB) || | |
545 | (state->mode == ADV7842_MODE_COMP)); | |
546 | } | |
547 | ||
a89bcd4c HV |
548 | static inline bool is_digital_input(struct v4l2_subdev *sd) |
549 | { | |
550 | struct adv7842_state *state = to_state(sd); | |
551 | ||
552 | return state->mode == ADV7842_MODE_HDMI; | |
553 | } | |
554 | ||
555 | static const struct v4l2_dv_timings_cap adv7842_timings_cap_analog = { | |
556 | .type = V4L2_DV_BT_656_1120, | |
9b51f175 GG |
557 | /* keep this initialization for compatibility with GCC < 4.4.6 */ |
558 | .reserved = { 0 }, | |
559 | V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 170000000, | |
560 | V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | | |
a89bcd4c | 561 | V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, |
9b51f175 GG |
562 | V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | |
563 | V4L2_DV_BT_CAP_CUSTOM) | |
a89bcd4c HV |
564 | }; |
565 | ||
566 | static const struct v4l2_dv_timings_cap adv7842_timings_cap_digital = { | |
567 | .type = V4L2_DV_BT_656_1120, | |
9b51f175 GG |
568 | /* keep this initialization for compatibility with GCC < 4.4.6 */ |
569 | .reserved = { 0 }, | |
570 | V4L2_INIT_BT_TIMINGS(0, 1920, 0, 1200, 25000000, 225000000, | |
571 | V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | | |
a89bcd4c | 572 | V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT, |
9b51f175 GG |
573 | V4L2_DV_BT_CAP_PROGRESSIVE | V4L2_DV_BT_CAP_REDUCED_BLANKING | |
574 | V4L2_DV_BT_CAP_CUSTOM) | |
a89bcd4c HV |
575 | }; |
576 | ||
577 | static inline const struct v4l2_dv_timings_cap * | |
578 | adv7842_get_dv_timings_cap(struct v4l2_subdev *sd) | |
579 | { | |
580 | return is_digital_input(sd) ? &adv7842_timings_cap_digital : | |
581 | &adv7842_timings_cap_analog; | |
582 | } | |
583 | ||
584 | /* ----------------------------------------------------------------------- */ | |
585 | ||
586 | static void adv7842_delayed_work_enable_hotplug(struct work_struct *work) | |
587 | { | |
588 | struct delayed_work *dwork = to_delayed_work(work); | |
589 | struct adv7842_state *state = container_of(dwork, | |
590 | struct adv7842_state, delayed_work_enable_hotplug); | |
591 | struct v4l2_subdev *sd = &state->sd; | |
592 | int present = state->hdmi_edid.present; | |
593 | u8 mask = 0; | |
594 | ||
595 | v4l2_dbg(2, debug, sd, "%s: enable hotplug on ports: 0x%x\n", | |
596 | __func__, present); | |
597 | ||
7de6fab1 MR |
598 | if (present & (0x04 << ADV7842_EDID_PORT_A)) |
599 | mask |= 0x20; | |
600 | if (present & (0x04 << ADV7842_EDID_PORT_B)) | |
601 | mask |= 0x10; | |
a89bcd4c HV |
602 | io_write_and_or(sd, 0x20, 0xcf, mask); |
603 | } | |
604 | ||
605 | static int edid_write_vga_segment(struct v4l2_subdev *sd) | |
606 | { | |
607 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
608 | struct adv7842_state *state = to_state(sd); | |
609 | const u8 *val = state->vga_edid.edid; | |
610 | int err = 0; | |
611 | int i; | |
612 | ||
613 | v4l2_dbg(2, debug, sd, "%s: write EDID on VGA port\n", __func__); | |
614 | ||
615 | /* HPA disable on port A and B */ | |
616 | io_write_and_or(sd, 0x20, 0xcf, 0x00); | |
617 | ||
618 | /* Disable I2C access to internal EDID ram from VGA DDC port */ | |
619 | rep_write_and_or(sd, 0x7f, 0x7f, 0x00); | |
620 | ||
621 | /* edid segment pointer '1' for VGA port */ | |
622 | rep_write_and_or(sd, 0x77, 0xef, 0x10); | |
623 | ||
624 | for (i = 0; !err && i < 256; i += I2C_SMBUS_BLOCK_MAX) | |
625 | err = adv_smbus_write_i2c_block_data(state->i2c_edid, i, | |
626 | I2C_SMBUS_BLOCK_MAX, val + i); | |
627 | if (err) | |
628 | return err; | |
629 | ||
630 | /* Calculates the checksums and enables I2C access | |
631 | * to internal EDID ram from VGA DDC port. | |
632 | */ | |
633 | rep_write_and_or(sd, 0x7f, 0x7f, 0x80); | |
634 | ||
635 | for (i = 0; i < 1000; i++) { | |
636 | if (rep_read(sd, 0x79) & 0x20) | |
637 | break; | |
638 | mdelay(1); | |
639 | } | |
640 | if (i == 1000) { | |
641 | v4l_err(client, "error enabling edid on VGA port\n"); | |
642 | return -EIO; | |
643 | } | |
644 | ||
645 | /* enable hotplug after 200 ms */ | |
646 | queue_delayed_work(state->work_queues, | |
647 | &state->delayed_work_enable_hotplug, HZ / 5); | |
648 | ||
649 | return 0; | |
650 | } | |
651 | ||
652 | static int edid_spa_location(const u8 *edid) | |
653 | { | |
654 | u8 d; | |
655 | ||
656 | /* | |
657 | * TODO, improve and update for other CEA extensions | |
658 | * currently only for 1 segment (256 bytes), | |
659 | * i.e. 1 extension block and CEA revision 3. | |
660 | */ | |
661 | if ((edid[0x7e] != 1) || | |
662 | (edid[0x80] != 0x02) || | |
663 | (edid[0x81] != 0x03)) { | |
664 | return -EINVAL; | |
665 | } | |
666 | /* | |
667 | * search Vendor Specific Data Block (tag 3) | |
668 | */ | |
669 | d = edid[0x82] & 0x7f; | |
670 | if (d > 4) { | |
671 | int i = 0x84; | |
672 | int end = 0x80 + d; | |
673 | do { | |
674 | u8 tag = edid[i]>>5; | |
675 | u8 len = edid[i] & 0x1f; | |
676 | ||
677 | if ((tag == 3) && (len >= 5)) | |
678 | return i + 4; | |
679 | i += len + 1; | |
680 | } while (i < end); | |
681 | } | |
682 | return -EINVAL; | |
683 | } | |
684 | ||
685 | static int edid_write_hdmi_segment(struct v4l2_subdev *sd, u8 port) | |
686 | { | |
687 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
688 | struct adv7842_state *state = to_state(sd); | |
689 | const u8 *val = state->hdmi_edid.edid; | |
a89bcd4c HV |
690 | int spa_loc = edid_spa_location(val); |
691 | int err = 0; | |
692 | int i; | |
693 | ||
7de6fab1 MR |
694 | v4l2_dbg(2, debug, sd, "%s: write EDID on port %c (spa at 0x%x)\n", |
695 | __func__, (port == ADV7842_EDID_PORT_A) ? 'A' : 'B', spa_loc); | |
a89bcd4c HV |
696 | |
697 | /* HPA disable on port A and B */ | |
698 | io_write_and_or(sd, 0x20, 0xcf, 0x00); | |
699 | ||
700 | /* Disable I2C access to internal EDID ram from HDMI DDC ports */ | |
701 | rep_write_and_or(sd, 0x77, 0xf3, 0x00); | |
702 | ||
fc2e991e MB |
703 | if (!state->hdmi_edid.present) |
704 | return 0; | |
705 | ||
a89bcd4c HV |
706 | /* edid segment pointer '0' for HDMI ports */ |
707 | rep_write_and_or(sd, 0x77, 0xef, 0x00); | |
708 | ||
709 | for (i = 0; !err && i < 256; i += I2C_SMBUS_BLOCK_MAX) | |
710 | err = adv_smbus_write_i2c_block_data(state->i2c_edid, i, | |
711 | I2C_SMBUS_BLOCK_MAX, val + i); | |
712 | if (err) | |
713 | return err; | |
714 | ||
7de6fab1 MR |
715 | if (spa_loc < 0) |
716 | spa_loc = 0xc0; /* Default value [REF_02, p. 199] */ | |
717 | ||
718 | if (port == ADV7842_EDID_PORT_A) { | |
719 | rep_write(sd, 0x72, val[spa_loc]); | |
720 | rep_write(sd, 0x73, val[spa_loc + 1]); | |
a89bcd4c | 721 | } else { |
7de6fab1 MR |
722 | rep_write(sd, 0x74, val[spa_loc]); |
723 | rep_write(sd, 0x75, val[spa_loc + 1]); | |
a89bcd4c | 724 | } |
7de6fab1 MR |
725 | rep_write(sd, 0x76, spa_loc & 0xff); |
726 | rep_write_and_or(sd, 0x77, 0xbf, (spa_loc >> 2) & 0x40); | |
a89bcd4c HV |
727 | |
728 | /* Calculates the checksums and enables I2C access to internal | |
729 | * EDID ram from HDMI DDC ports | |
730 | */ | |
7de6fab1 | 731 | rep_write_and_or(sd, 0x77, 0xf3, state->hdmi_edid.present); |
a89bcd4c HV |
732 | |
733 | for (i = 0; i < 1000; i++) { | |
7de6fab1 | 734 | if (rep_read(sd, 0x7d) & state->hdmi_edid.present) |
a89bcd4c HV |
735 | break; |
736 | mdelay(1); | |
737 | } | |
738 | if (i == 1000) { | |
7de6fab1 MR |
739 | v4l_err(client, "error enabling edid on port %c\n", |
740 | (port == ADV7842_EDID_PORT_A) ? 'A' : 'B'); | |
a89bcd4c HV |
741 | return -EIO; |
742 | } | |
743 | ||
744 | /* enable hotplug after 200 ms */ | |
745 | queue_delayed_work(state->work_queues, | |
746 | &state->delayed_work_enable_hotplug, HZ / 5); | |
747 | ||
748 | return 0; | |
749 | } | |
750 | ||
751 | /* ----------------------------------------------------------------------- */ | |
752 | ||
753 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
754 | static void adv7842_inv_register(struct v4l2_subdev *sd) | |
755 | { | |
756 | v4l2_info(sd, "0x000-0x0ff: IO Map\n"); | |
757 | v4l2_info(sd, "0x100-0x1ff: AVLink Map\n"); | |
758 | v4l2_info(sd, "0x200-0x2ff: CEC Map\n"); | |
759 | v4l2_info(sd, "0x300-0x3ff: InfoFrame Map\n"); | |
760 | v4l2_info(sd, "0x400-0x4ff: SDP_IO Map\n"); | |
761 | v4l2_info(sd, "0x500-0x5ff: SDP Map\n"); | |
762 | v4l2_info(sd, "0x600-0x6ff: AFE Map\n"); | |
763 | v4l2_info(sd, "0x700-0x7ff: Repeater Map\n"); | |
764 | v4l2_info(sd, "0x800-0x8ff: EDID Map\n"); | |
765 | v4l2_info(sd, "0x900-0x9ff: HDMI Map\n"); | |
766 | v4l2_info(sd, "0xa00-0xaff: CP Map\n"); | |
767 | v4l2_info(sd, "0xb00-0xbff: VDP Map\n"); | |
768 | } | |
769 | ||
770 | static int adv7842_g_register(struct v4l2_subdev *sd, | |
771 | struct v4l2_dbg_register *reg) | |
772 | { | |
773 | reg->size = 1; | |
774 | switch (reg->reg >> 8) { | |
775 | case 0: | |
776 | reg->val = io_read(sd, reg->reg & 0xff); | |
777 | break; | |
778 | case 1: | |
779 | reg->val = avlink_read(sd, reg->reg & 0xff); | |
780 | break; | |
781 | case 2: | |
782 | reg->val = cec_read(sd, reg->reg & 0xff); | |
783 | break; | |
784 | case 3: | |
785 | reg->val = infoframe_read(sd, reg->reg & 0xff); | |
786 | break; | |
787 | case 4: | |
788 | reg->val = sdp_io_read(sd, reg->reg & 0xff); | |
789 | break; | |
790 | case 5: | |
791 | reg->val = sdp_read(sd, reg->reg & 0xff); | |
792 | break; | |
793 | case 6: | |
794 | reg->val = afe_read(sd, reg->reg & 0xff); | |
795 | break; | |
796 | case 7: | |
797 | reg->val = rep_read(sd, reg->reg & 0xff); | |
798 | break; | |
799 | case 8: | |
800 | reg->val = edid_read(sd, reg->reg & 0xff); | |
801 | break; | |
802 | case 9: | |
803 | reg->val = hdmi_read(sd, reg->reg & 0xff); | |
804 | break; | |
805 | case 0xa: | |
806 | reg->val = cp_read(sd, reg->reg & 0xff); | |
807 | break; | |
808 | case 0xb: | |
809 | reg->val = vdp_read(sd, reg->reg & 0xff); | |
810 | break; | |
811 | default: | |
812 | v4l2_info(sd, "Register %03llx not supported\n", reg->reg); | |
813 | adv7842_inv_register(sd); | |
814 | break; | |
815 | } | |
816 | return 0; | |
817 | } | |
818 | ||
819 | static int adv7842_s_register(struct v4l2_subdev *sd, | |
820 | const struct v4l2_dbg_register *reg) | |
821 | { | |
822 | u8 val = reg->val & 0xff; | |
823 | ||
824 | switch (reg->reg >> 8) { | |
825 | case 0: | |
826 | io_write(sd, reg->reg & 0xff, val); | |
827 | break; | |
828 | case 1: | |
829 | avlink_write(sd, reg->reg & 0xff, val); | |
830 | break; | |
831 | case 2: | |
832 | cec_write(sd, reg->reg & 0xff, val); | |
833 | break; | |
834 | case 3: | |
835 | infoframe_write(sd, reg->reg & 0xff, val); | |
836 | break; | |
837 | case 4: | |
838 | sdp_io_write(sd, reg->reg & 0xff, val); | |
839 | break; | |
840 | case 5: | |
841 | sdp_write(sd, reg->reg & 0xff, val); | |
842 | break; | |
843 | case 6: | |
844 | afe_write(sd, reg->reg & 0xff, val); | |
845 | break; | |
846 | case 7: | |
847 | rep_write(sd, reg->reg & 0xff, val); | |
848 | break; | |
849 | case 8: | |
850 | edid_write(sd, reg->reg & 0xff, val); | |
851 | break; | |
852 | case 9: | |
853 | hdmi_write(sd, reg->reg & 0xff, val); | |
854 | break; | |
855 | case 0xa: | |
856 | cp_write(sd, reg->reg & 0xff, val); | |
857 | break; | |
858 | case 0xb: | |
859 | vdp_write(sd, reg->reg & 0xff, val); | |
860 | break; | |
861 | default: | |
862 | v4l2_info(sd, "Register %03llx not supported\n", reg->reg); | |
863 | adv7842_inv_register(sd); | |
864 | break; | |
865 | } | |
866 | return 0; | |
867 | } | |
868 | #endif | |
869 | ||
870 | static int adv7842_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd) | |
871 | { | |
872 | struct adv7842_state *state = to_state(sd); | |
873 | int prev = v4l2_ctrl_g_ctrl(state->detect_tx_5v_ctrl); | |
874 | u8 reg_io_6f = io_read(sd, 0x6f); | |
875 | int val = 0; | |
876 | ||
877 | if (reg_io_6f & 0x02) | |
878 | val |= 1; /* port A */ | |
879 | if (reg_io_6f & 0x01) | |
880 | val |= 2; /* port B */ | |
881 | ||
882 | v4l2_dbg(1, debug, sd, "%s: 0x%x -> 0x%x\n", __func__, prev, val); | |
883 | ||
884 | if (val != prev) | |
885 | return v4l2_ctrl_s_ctrl(state->detect_tx_5v_ctrl, val); | |
886 | return 0; | |
887 | } | |
888 | ||
889 | static int find_and_set_predefined_video_timings(struct v4l2_subdev *sd, | |
890 | u8 prim_mode, | |
891 | const struct adv7842_video_standards *predef_vid_timings, | |
892 | const struct v4l2_dv_timings *timings) | |
893 | { | |
894 | int i; | |
895 | ||
896 | for (i = 0; predef_vid_timings[i].timings.bt.width; i++) { | |
897 | if (!v4l2_match_dv_timings(timings, &predef_vid_timings[i].timings, | |
898 | is_digital_input(sd) ? 250000 : 1000000)) | |
899 | continue; | |
900 | /* video std */ | |
901 | io_write(sd, 0x00, predef_vid_timings[i].vid_std); | |
902 | /* v_freq and prim mode */ | |
903 | io_write(sd, 0x01, (predef_vid_timings[i].v_freq << 4) + prim_mode); | |
904 | return 0; | |
905 | } | |
906 | ||
907 | return -1; | |
908 | } | |
909 | ||
910 | static int configure_predefined_video_timings(struct v4l2_subdev *sd, | |
911 | struct v4l2_dv_timings *timings) | |
912 | { | |
913 | struct adv7842_state *state = to_state(sd); | |
914 | int err; | |
915 | ||
916 | v4l2_dbg(1, debug, sd, "%s\n", __func__); | |
917 | ||
918 | /* reset to default values */ | |
919 | io_write(sd, 0x16, 0x43); | |
920 | io_write(sd, 0x17, 0x5a); | |
921 | /* disable embedded syncs for auto graphics mode */ | |
922 | cp_write_and_or(sd, 0x81, 0xef, 0x00); | |
923 | cp_write(sd, 0x26, 0x00); | |
924 | cp_write(sd, 0x27, 0x00); | |
925 | cp_write(sd, 0x28, 0x00); | |
926 | cp_write(sd, 0x29, 0x00); | |
6251e65f | 927 | cp_write(sd, 0x8f, 0x40); |
a89bcd4c HV |
928 | cp_write(sd, 0x90, 0x00); |
929 | cp_write(sd, 0xa5, 0x00); | |
930 | cp_write(sd, 0xa6, 0x00); | |
931 | cp_write(sd, 0xa7, 0x00); | |
932 | cp_write(sd, 0xab, 0x00); | |
933 | cp_write(sd, 0xac, 0x00); | |
934 | ||
935 | switch (state->mode) { | |
936 | case ADV7842_MODE_COMP: | |
937 | case ADV7842_MODE_RGB: | |
938 | err = find_and_set_predefined_video_timings(sd, | |
939 | 0x01, adv7842_prim_mode_comp, timings); | |
940 | if (err) | |
941 | err = find_and_set_predefined_video_timings(sd, | |
942 | 0x02, adv7842_prim_mode_gr, timings); | |
943 | break; | |
944 | case ADV7842_MODE_HDMI: | |
945 | err = find_and_set_predefined_video_timings(sd, | |
946 | 0x05, adv7842_prim_mode_hdmi_comp, timings); | |
947 | if (err) | |
948 | err = find_and_set_predefined_video_timings(sd, | |
949 | 0x06, adv7842_prim_mode_hdmi_gr, timings); | |
950 | break; | |
951 | default: | |
952 | v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n", | |
953 | __func__, state->mode); | |
954 | err = -1; | |
955 | break; | |
956 | } | |
957 | ||
958 | ||
959 | return err; | |
960 | } | |
961 | ||
962 | static void configure_custom_video_timings(struct v4l2_subdev *sd, | |
963 | const struct v4l2_bt_timings *bt) | |
964 | { | |
965 | struct adv7842_state *state = to_state(sd); | |
966 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
967 | u32 width = htotal(bt); | |
968 | u32 height = vtotal(bt); | |
969 | u16 cp_start_sav = bt->hsync + bt->hbackporch - 4; | |
970 | u16 cp_start_eav = width - bt->hfrontporch; | |
971 | u16 cp_start_vbi = height - bt->vfrontporch + 1; | |
972 | u16 cp_end_vbi = bt->vsync + bt->vbackporch + 1; | |
973 | u16 ch1_fr_ll = (((u32)bt->pixelclock / 100) > 0) ? | |
974 | ((width * (ADV7842_fsc / 100)) / ((u32)bt->pixelclock / 100)) : 0; | |
975 | const u8 pll[2] = { | |
976 | 0xc0 | ((width >> 8) & 0x1f), | |
977 | width & 0xff | |
978 | }; | |
979 | ||
980 | v4l2_dbg(2, debug, sd, "%s\n", __func__); | |
981 | ||
982 | switch (state->mode) { | |
983 | case ADV7842_MODE_COMP: | |
984 | case ADV7842_MODE_RGB: | |
985 | /* auto graphics */ | |
986 | io_write(sd, 0x00, 0x07); /* video std */ | |
987 | io_write(sd, 0x01, 0x02); /* prim mode */ | |
988 | /* enable embedded syncs for auto graphics mode */ | |
989 | cp_write_and_or(sd, 0x81, 0xef, 0x10); | |
990 | ||
991 | /* Should only be set in auto-graphics mode [REF_02, p. 91-92] */ | |
992 | /* setup PLL_DIV_MAN_EN and PLL_DIV_RATIO */ | |
993 | /* IO-map reg. 0x16 and 0x17 should be written in sequence */ | |
994 | if (adv_smbus_write_i2c_block_data(client, 0x16, 2, pll)) { | |
995 | v4l2_err(sd, "writing to reg 0x16 and 0x17 failed\n"); | |
996 | break; | |
997 | } | |
998 | ||
999 | /* active video - horizontal timing */ | |
1000 | cp_write(sd, 0x26, (cp_start_sav >> 8) & 0xf); | |
1001 | cp_write(sd, 0x27, (cp_start_sav & 0xff)); | |
1002 | cp_write(sd, 0x28, (cp_start_eav >> 8) & 0xf); | |
1003 | cp_write(sd, 0x29, (cp_start_eav & 0xff)); | |
1004 | ||
1005 | /* active video - vertical timing */ | |
1006 | cp_write(sd, 0xa5, (cp_start_vbi >> 4) & 0xff); | |
1007 | cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) | | |
1008 | ((cp_end_vbi >> 8) & 0xf)); | |
1009 | cp_write(sd, 0xa7, cp_end_vbi & 0xff); | |
1010 | break; | |
1011 | case ADV7842_MODE_HDMI: | |
1012 | /* set default prim_mode/vid_std for HDMI | |
39c1cb2b | 1013 | according to [REF_03, c. 4.2] */ |
a89bcd4c HV |
1014 | io_write(sd, 0x00, 0x02); /* video std */ |
1015 | io_write(sd, 0x01, 0x06); /* prim mode */ | |
1016 | break; | |
1017 | default: | |
1018 | v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n", | |
1019 | __func__, state->mode); | |
1020 | break; | |
1021 | } | |
1022 | ||
1023 | cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7); | |
1024 | cp_write(sd, 0x90, ch1_fr_ll & 0xff); | |
1025 | cp_write(sd, 0xab, (height >> 4) & 0xff); | |
1026 | cp_write(sd, 0xac, (height & 0x0f) << 4); | |
1027 | } | |
1028 | ||
933913da MB |
1029 | static void adv7842_set_offset(struct v4l2_subdev *sd, bool auto_offset, u16 offset_a, u16 offset_b, u16 offset_c) |
1030 | { | |
1031 | struct adv7842_state *state = to_state(sd); | |
1032 | u8 offset_buf[4]; | |
1033 | ||
1034 | if (auto_offset) { | |
1035 | offset_a = 0x3ff; | |
1036 | offset_b = 0x3ff; | |
1037 | offset_c = 0x3ff; | |
1038 | } | |
1039 | ||
1040 | v4l2_dbg(2, debug, sd, "%s: %s offset: a = 0x%x, b = 0x%x, c = 0x%x\n", | |
1041 | __func__, auto_offset ? "Auto" : "Manual", | |
1042 | offset_a, offset_b, offset_c); | |
1043 | ||
1044 | offset_buf[0]= (cp_read(sd, 0x77) & 0xc0) | ((offset_a & 0x3f0) >> 4); | |
1045 | offset_buf[1] = ((offset_a & 0x00f) << 4) | ((offset_b & 0x3c0) >> 6); | |
1046 | offset_buf[2] = ((offset_b & 0x03f) << 2) | ((offset_c & 0x300) >> 8); | |
1047 | offset_buf[3] = offset_c & 0x0ff; | |
1048 | ||
1049 | /* Registers must be written in this order with no i2c access in between */ | |
1050 | if (adv_smbus_write_i2c_block_data(state->i2c_cp, 0x77, 4, offset_buf)) | |
1051 | v4l2_err(sd, "%s: i2c error writing to CP reg 0x77, 0x78, 0x79, 0x7a\n", __func__); | |
1052 | } | |
1053 | ||
1054 | static void adv7842_set_gain(struct v4l2_subdev *sd, bool auto_gain, u16 gain_a, u16 gain_b, u16 gain_c) | |
1055 | { | |
1056 | struct adv7842_state *state = to_state(sd); | |
1057 | u8 gain_buf[4]; | |
1058 | u8 gain_man = 1; | |
1059 | u8 agc_mode_man = 1; | |
1060 | ||
1061 | if (auto_gain) { | |
1062 | gain_man = 0; | |
1063 | agc_mode_man = 0; | |
1064 | gain_a = 0x100; | |
1065 | gain_b = 0x100; | |
1066 | gain_c = 0x100; | |
1067 | } | |
1068 | ||
1069 | v4l2_dbg(2, debug, sd, "%s: %s gain: a = 0x%x, b = 0x%x, c = 0x%x\n", | |
1070 | __func__, auto_gain ? "Auto" : "Manual", | |
1071 | gain_a, gain_b, gain_c); | |
1072 | ||
1073 | gain_buf[0] = ((gain_man << 7) | (agc_mode_man << 6) | ((gain_a & 0x3f0) >> 4)); | |
1074 | gain_buf[1] = (((gain_a & 0x00f) << 4) | ((gain_b & 0x3c0) >> 6)); | |
1075 | gain_buf[2] = (((gain_b & 0x03f) << 2) | ((gain_c & 0x300) >> 8)); | |
1076 | gain_buf[3] = ((gain_c & 0x0ff)); | |
1077 | ||
1078 | /* Registers must be written in this order with no i2c access in between */ | |
1079 | if (adv_smbus_write_i2c_block_data(state->i2c_cp, 0x73, 4, gain_buf)) | |
1080 | v4l2_err(sd, "%s: i2c error writing to CP reg 0x73, 0x74, 0x75, 0x76\n", __func__); | |
1081 | } | |
1082 | ||
a89bcd4c HV |
1083 | static void set_rgb_quantization_range(struct v4l2_subdev *sd) |
1084 | { | |
1085 | struct adv7842_state *state = to_state(sd); | |
933913da MB |
1086 | bool rgb_output = io_read(sd, 0x02) & 0x02; |
1087 | bool hdmi_signal = hdmi_read(sd, 0x05) & 0x80; | |
1088 | ||
1089 | v4l2_dbg(2, debug, sd, "%s: RGB quantization range: %d, RGB out: %d, HDMI: %d\n", | |
1090 | __func__, state->rgb_quantization_range, | |
1091 | rgb_output, hdmi_signal); | |
a89bcd4c | 1092 | |
933913da MB |
1093 | adv7842_set_gain(sd, true, 0x0, 0x0, 0x0); |
1094 | adv7842_set_offset(sd, true, 0x0, 0x0, 0x0); | |
69e9ba6f | 1095 | |
a89bcd4c HV |
1096 | switch (state->rgb_quantization_range) { |
1097 | case V4L2_DV_RGB_RANGE_AUTO: | |
69e9ba6f HV |
1098 | if (state->mode == ADV7842_MODE_RGB) { |
1099 | /* Receiving analog RGB signal | |
1100 | * Set RGB full range (0-255) */ | |
1101 | io_write_and_or(sd, 0x02, 0x0f, 0x10); | |
1102 | break; | |
1103 | } | |
1104 | ||
1105 | if (state->mode == ADV7842_MODE_COMP) { | |
1106 | /* Receiving analog YPbPr signal | |
1107 | * Set automode */ | |
1108 | io_write_and_or(sd, 0x02, 0x0f, 0xf0); | |
1109 | break; | |
1110 | } | |
1111 | ||
933913da | 1112 | if (hdmi_signal) { |
69e9ba6f HV |
1113 | /* Receiving HDMI signal |
1114 | * Set automode */ | |
a89bcd4c | 1115 | io_write_and_or(sd, 0x02, 0x0f, 0xf0); |
69e9ba6f HV |
1116 | break; |
1117 | } | |
1118 | ||
1119 | /* Receiving DVI-D signal | |
1120 | * ADV7842 selects RGB limited range regardless of | |
1121 | * input format (CE/IT) in automatic mode */ | |
1122 | if (state->timings.bt.standards & V4L2_DV_BT_STD_CEA861) { | |
1123 | /* RGB limited range (16-235) */ | |
1124 | io_write_and_or(sd, 0x02, 0x0f, 0x00); | |
1125 | } else { | |
1126 | /* RGB full range (0-255) */ | |
1127 | io_write_and_or(sd, 0x02, 0x0f, 0x10); | |
933913da MB |
1128 | |
1129 | if (is_digital_input(sd) && rgb_output) { | |
1130 | adv7842_set_offset(sd, false, 0x40, 0x40, 0x40); | |
1131 | } else { | |
1132 | adv7842_set_gain(sd, false, 0xe0, 0xe0, 0xe0); | |
1133 | adv7842_set_offset(sd, false, 0x70, 0x70, 0x70); | |
1134 | } | |
a89bcd4c HV |
1135 | } |
1136 | break; | |
1137 | case V4L2_DV_RGB_RANGE_LIMITED: | |
69e9ba6f HV |
1138 | if (state->mode == ADV7842_MODE_COMP) { |
1139 | /* YCrCb limited range (16-235) */ | |
1140 | io_write_and_or(sd, 0x02, 0x0f, 0x20); | |
933913da | 1141 | break; |
69e9ba6f | 1142 | } |
933913da MB |
1143 | |
1144 | /* RGB limited range (16-235) */ | |
1145 | io_write_and_or(sd, 0x02, 0x0f, 0x00); | |
1146 | ||
a89bcd4c HV |
1147 | break; |
1148 | case V4L2_DV_RGB_RANGE_FULL: | |
69e9ba6f HV |
1149 | if (state->mode == ADV7842_MODE_COMP) { |
1150 | /* YCrCb full range (0-255) */ | |
1151 | io_write_and_or(sd, 0x02, 0x0f, 0x60); | |
933913da MB |
1152 | break; |
1153 | } | |
1154 | ||
1155 | /* RGB full range (0-255) */ | |
1156 | io_write_and_or(sd, 0x02, 0x0f, 0x10); | |
1157 | ||
1158 | if (is_analog_input(sd) || hdmi_signal) | |
1159 | break; | |
1160 | ||
1161 | /* Adjust gain/offset for DVI-D signals only */ | |
1162 | if (rgb_output) { | |
1163 | adv7842_set_offset(sd, false, 0x40, 0x40, 0x40); | |
69e9ba6f | 1164 | } else { |
933913da MB |
1165 | adv7842_set_gain(sd, false, 0xe0, 0xe0, 0xe0); |
1166 | adv7842_set_offset(sd, false, 0x70, 0x70, 0x70); | |
69e9ba6f | 1167 | } |
a89bcd4c HV |
1168 | break; |
1169 | } | |
1170 | } | |
1171 | ||
1172 | static int adv7842_s_ctrl(struct v4l2_ctrl *ctrl) | |
1173 | { | |
1174 | struct v4l2_subdev *sd = to_sd(ctrl); | |
1175 | struct adv7842_state *state = to_state(sd); | |
1176 | ||
1177 | /* TODO SDP ctrls | |
1178 | contrast/brightness/hue/free run is acting a bit strange, | |
1179 | not sure if sdp csc is correct. | |
1180 | */ | |
1181 | switch (ctrl->id) { | |
1182 | /* standard ctrls */ | |
1183 | case V4L2_CID_BRIGHTNESS: | |
1184 | cp_write(sd, 0x3c, ctrl->val); | |
1185 | sdp_write(sd, 0x14, ctrl->val); | |
1186 | /* ignore lsb sdp 0x17[3:2] */ | |
1187 | return 0; | |
1188 | case V4L2_CID_CONTRAST: | |
1189 | cp_write(sd, 0x3a, ctrl->val); | |
1190 | sdp_write(sd, 0x13, ctrl->val); | |
1191 | /* ignore lsb sdp 0x17[1:0] */ | |
1192 | return 0; | |
1193 | case V4L2_CID_SATURATION: | |
1194 | cp_write(sd, 0x3b, ctrl->val); | |
1195 | sdp_write(sd, 0x15, ctrl->val); | |
1196 | /* ignore lsb sdp 0x17[5:4] */ | |
1197 | return 0; | |
1198 | case V4L2_CID_HUE: | |
1199 | cp_write(sd, 0x3d, ctrl->val); | |
1200 | sdp_write(sd, 0x16, ctrl->val); | |
1201 | /* ignore lsb sdp 0x17[7:6] */ | |
1202 | return 0; | |
1203 | /* custom ctrls */ | |
1204 | case V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE: | |
1205 | afe_write(sd, 0xc8, ctrl->val); | |
1206 | return 0; | |
1207 | case V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL: | |
1208 | cp_write_and_or(sd, 0xbf, ~0x04, (ctrl->val << 2)); | |
1209 | sdp_write_and_or(sd, 0xdd, ~0x04, (ctrl->val << 2)); | |
1210 | return 0; | |
1211 | case V4L2_CID_ADV_RX_FREE_RUN_COLOR: { | |
1212 | u8 R = (ctrl->val & 0xff0000) >> 16; | |
1213 | u8 G = (ctrl->val & 0x00ff00) >> 8; | |
1214 | u8 B = (ctrl->val & 0x0000ff); | |
1215 | /* RGB -> YUV, numerical approximation */ | |
1216 | int Y = 66 * R + 129 * G + 25 * B; | |
1217 | int U = -38 * R - 74 * G + 112 * B; | |
1218 | int V = 112 * R - 94 * G - 18 * B; | |
1219 | ||
1220 | /* Scale down to 8 bits with rounding */ | |
1221 | Y = (Y + 128) >> 8; | |
1222 | U = (U + 128) >> 8; | |
1223 | V = (V + 128) >> 8; | |
1224 | /* make U,V positive */ | |
1225 | Y += 16; | |
1226 | U += 128; | |
1227 | V += 128; | |
1228 | ||
1229 | v4l2_dbg(1, debug, sd, "R %x, G %x, B %x\n", R, G, B); | |
1230 | v4l2_dbg(1, debug, sd, "Y %x, U %x, V %x\n", Y, U, V); | |
1231 | ||
1232 | /* CP */ | |
1233 | cp_write(sd, 0xc1, R); | |
1234 | cp_write(sd, 0xc0, G); | |
1235 | cp_write(sd, 0xc2, B); | |
1236 | /* SDP */ | |
1237 | sdp_write(sd, 0xde, Y); | |
1238 | sdp_write(sd, 0xdf, (V & 0xf0) | ((U >> 4) & 0x0f)); | |
1239 | return 0; | |
1240 | } | |
1241 | case V4L2_CID_DV_RX_RGB_RANGE: | |
1242 | state->rgb_quantization_range = ctrl->val; | |
1243 | set_rgb_quantization_range(sd); | |
1244 | return 0; | |
1245 | } | |
1246 | return -EINVAL; | |
1247 | } | |
1248 | ||
1249 | static inline bool no_power(struct v4l2_subdev *sd) | |
1250 | { | |
1251 | return io_read(sd, 0x0c) & 0x24; | |
1252 | } | |
1253 | ||
1254 | static inline bool no_cp_signal(struct v4l2_subdev *sd) | |
1255 | { | |
1256 | return ((cp_read(sd, 0xb5) & 0xd0) != 0xd0) || !(cp_read(sd, 0xb1) & 0x80); | |
1257 | } | |
1258 | ||
1259 | static inline bool is_hdmi(struct v4l2_subdev *sd) | |
1260 | { | |
1261 | return hdmi_read(sd, 0x05) & 0x80; | |
1262 | } | |
1263 | ||
1264 | static int adv7842_g_input_status(struct v4l2_subdev *sd, u32 *status) | |
1265 | { | |
1266 | struct adv7842_state *state = to_state(sd); | |
1267 | ||
1268 | *status = 0; | |
1269 | ||
1270 | if (io_read(sd, 0x0c) & 0x24) | |
1271 | *status |= V4L2_IN_ST_NO_POWER; | |
1272 | ||
1273 | if (state->mode == ADV7842_MODE_SDP) { | |
1274 | /* status from SDP block */ | |
1275 | if (!(sdp_read(sd, 0x5A) & 0x01)) | |
1276 | *status |= V4L2_IN_ST_NO_SIGNAL; | |
1277 | ||
1278 | v4l2_dbg(1, debug, sd, "%s: SDP status = 0x%x\n", | |
1279 | __func__, *status); | |
1280 | return 0; | |
1281 | } | |
1282 | /* status from CP block */ | |
1283 | if ((cp_read(sd, 0xb5) & 0xd0) != 0xd0 || | |
1284 | !(cp_read(sd, 0xb1) & 0x80)) | |
1285 | /* TODO channel 2 */ | |
1286 | *status |= V4L2_IN_ST_NO_SIGNAL; | |
1287 | ||
1288 | if (is_digital_input(sd) && ((io_read(sd, 0x74) & 0x03) != 0x03)) | |
1289 | *status |= V4L2_IN_ST_NO_SIGNAL; | |
1290 | ||
1291 | v4l2_dbg(1, debug, sd, "%s: CP status = 0x%x\n", | |
1292 | __func__, *status); | |
1293 | ||
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | struct stdi_readback { | |
1298 | u16 bl, lcf, lcvs; | |
1299 | u8 hs_pol, vs_pol; | |
1300 | bool interlaced; | |
1301 | }; | |
1302 | ||
1303 | static int stdi2dv_timings(struct v4l2_subdev *sd, | |
1304 | struct stdi_readback *stdi, | |
1305 | struct v4l2_dv_timings *timings) | |
1306 | { | |
1307 | struct adv7842_state *state = to_state(sd); | |
1308 | u32 hfreq = (ADV7842_fsc * 8) / stdi->bl; | |
1309 | u32 pix_clk; | |
1310 | int i; | |
1311 | ||
1312 | for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) { | |
1313 | const struct v4l2_bt_timings *bt = &v4l2_dv_timings_presets[i].bt; | |
1314 | ||
1315 | if (!v4l2_valid_dv_timings(&v4l2_dv_timings_presets[i], | |
1316 | adv7842_get_dv_timings_cap(sd), | |
1317 | adv7842_check_dv_timings, NULL)) | |
1318 | continue; | |
1319 | if (vtotal(bt) != stdi->lcf + 1) | |
1320 | continue; | |
1321 | if (bt->vsync != stdi->lcvs) | |
1322 | continue; | |
1323 | ||
1324 | pix_clk = hfreq * htotal(bt); | |
1325 | ||
1326 | if ((pix_clk < bt->pixelclock + 1000000) && | |
1327 | (pix_clk > bt->pixelclock - 1000000)) { | |
1328 | *timings = v4l2_dv_timings_presets[i]; | |
1329 | return 0; | |
1330 | } | |
1331 | } | |
1332 | ||
1333 | if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, | |
1334 | (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | | |
1335 | (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), | |
1336 | timings)) | |
1337 | return 0; | |
1338 | if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs, | |
1339 | (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | | |
1340 | (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), | |
1341 | state->aspect_ratio, timings)) | |
1342 | return 0; | |
1343 | ||
1344 | v4l2_dbg(2, debug, sd, | |
1345 | "%s: No format candidate found for lcvs = %d, lcf=%d, bl = %d, %chsync, %cvsync\n", | |
1346 | __func__, stdi->lcvs, stdi->lcf, stdi->bl, | |
1347 | stdi->hs_pol, stdi->vs_pol); | |
1348 | return -1; | |
1349 | } | |
1350 | ||
1351 | static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi) | |
1352 | { | |
1353 | u32 status; | |
1354 | ||
1355 | adv7842_g_input_status(sd, &status); | |
1356 | if (status & V4L2_IN_ST_NO_SIGNAL) { | |
1357 | v4l2_dbg(2, debug, sd, "%s: no signal\n", __func__); | |
1358 | return -ENOLINK; | |
1359 | } | |
1360 | ||
1361 | stdi->bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2); | |
1362 | stdi->lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4); | |
1363 | stdi->lcvs = cp_read(sd, 0xb3) >> 3; | |
1364 | ||
1365 | if ((cp_read(sd, 0xb5) & 0x80) && ((cp_read(sd, 0xb5) & 0x03) == 0x01)) { | |
1366 | stdi->hs_pol = ((cp_read(sd, 0xb5) & 0x10) ? | |
1367 | ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x'); | |
1368 | stdi->vs_pol = ((cp_read(sd, 0xb5) & 0x40) ? | |
1369 | ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x'); | |
1370 | } else { | |
1371 | stdi->hs_pol = 'x'; | |
1372 | stdi->vs_pol = 'x'; | |
1373 | } | |
1374 | stdi->interlaced = (cp_read(sd, 0xb1) & 0x40) ? true : false; | |
1375 | ||
1376 | if (stdi->lcf < 239 || stdi->bl < 8 || stdi->bl == 0x3fff) { | |
1377 | v4l2_dbg(2, debug, sd, "%s: invalid signal\n", __func__); | |
1378 | return -ENOLINK; | |
1379 | } | |
1380 | ||
1381 | v4l2_dbg(2, debug, sd, | |
1382 | "%s: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %chsync, %cvsync, %s\n", | |
1383 | __func__, stdi->lcf, stdi->bl, stdi->lcvs, | |
1384 | stdi->hs_pol, stdi->vs_pol, | |
1385 | stdi->interlaced ? "interlaced" : "progressive"); | |
1386 | ||
1387 | return 0; | |
1388 | } | |
1389 | ||
1390 | static int adv7842_enum_dv_timings(struct v4l2_subdev *sd, | |
1391 | struct v4l2_enum_dv_timings *timings) | |
1392 | { | |
c916194c LP |
1393 | if (timings->pad != 0) |
1394 | return -EINVAL; | |
1395 | ||
a89bcd4c HV |
1396 | return v4l2_enum_dv_timings_cap(timings, |
1397 | adv7842_get_dv_timings_cap(sd), adv7842_check_dv_timings, NULL); | |
1398 | } | |
1399 | ||
1400 | static int adv7842_dv_timings_cap(struct v4l2_subdev *sd, | |
1401 | struct v4l2_dv_timings_cap *cap) | |
1402 | { | |
c916194c LP |
1403 | if (cap->pad != 0) |
1404 | return -EINVAL; | |
1405 | ||
a89bcd4c HV |
1406 | *cap = *adv7842_get_dv_timings_cap(sd); |
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | /* Fill the optional fields .standards and .flags in struct v4l2_dv_timings | |
69e9ba6f | 1411 | if the format is listed in adv7842_timings[] */ |
a89bcd4c HV |
1412 | static void adv7842_fill_optional_dv_timings_fields(struct v4l2_subdev *sd, |
1413 | struct v4l2_dv_timings *timings) | |
1414 | { | |
1415 | v4l2_find_dv_timings_cap(timings, adv7842_get_dv_timings_cap(sd), | |
1416 | is_digital_input(sd) ? 250000 : 1000000, | |
1417 | adv7842_check_dv_timings, NULL); | |
1418 | } | |
1419 | ||
1420 | static int adv7842_query_dv_timings(struct v4l2_subdev *sd, | |
1421 | struct v4l2_dv_timings *timings) | |
1422 | { | |
1423 | struct adv7842_state *state = to_state(sd); | |
1424 | struct v4l2_bt_timings *bt = &timings->bt; | |
1425 | struct stdi_readback stdi = { 0 }; | |
1426 | ||
e78d834a MB |
1427 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
1428 | ||
f8789e6d HV |
1429 | memset(timings, 0, sizeof(struct v4l2_dv_timings)); |
1430 | ||
a89bcd4c HV |
1431 | /* SDP block */ |
1432 | if (state->mode == ADV7842_MODE_SDP) | |
1433 | return -ENODATA; | |
1434 | ||
1435 | /* read STDI */ | |
1436 | if (read_stdi(sd, &stdi)) { | |
6e9071f2 | 1437 | state->restart_stdi_once = true; |
a89bcd4c HV |
1438 | v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); |
1439 | return -ENOLINK; | |
1440 | } | |
1441 | bt->interlaced = stdi.interlaced ? | |
1442 | V4L2_DV_INTERLACED : V4L2_DV_PROGRESSIVE; | |
a89bcd4c HV |
1443 | |
1444 | if (is_digital_input(sd)) { | |
e78d834a MB |
1445 | uint32_t freq; |
1446 | ||
1447 | timings->type = V4L2_DV_BT_656_1120; | |
6e9071f2 | 1448 | |
e78d834a MB |
1449 | bt->width = (hdmi_read(sd, 0x07) & 0x0f) * 256 + hdmi_read(sd, 0x08); |
1450 | bt->height = (hdmi_read(sd, 0x09) & 0x0f) * 256 + hdmi_read(sd, 0x0a); | |
81ba0a4e MB |
1451 | freq = ((hdmi_read(sd, 0x51) << 1) + (hdmi_read(sd, 0x52) >> 7)) * 1000000; |
1452 | freq += ((hdmi_read(sd, 0x52) & 0x7f) * 7813); | |
a89bcd4c HV |
1453 | if (is_hdmi(sd)) { |
1454 | /* adjust for deep color mode */ | |
81ba0a4e | 1455 | freq = freq * 8 / (((hdmi_read(sd, 0x0b) & 0xc0) >> 6) * 2 + 8); |
a89bcd4c | 1456 | } |
e78d834a MB |
1457 | bt->pixelclock = freq; |
1458 | bt->hfrontporch = (hdmi_read(sd, 0x20) & 0x03) * 256 + | |
a89bcd4c | 1459 | hdmi_read(sd, 0x21); |
e78d834a | 1460 | bt->hsync = (hdmi_read(sd, 0x22) & 0x03) * 256 + |
a89bcd4c | 1461 | hdmi_read(sd, 0x23); |
e78d834a | 1462 | bt->hbackporch = (hdmi_read(sd, 0x24) & 0x03) * 256 + |
a89bcd4c | 1463 | hdmi_read(sd, 0x25); |
e78d834a MB |
1464 | bt->vfrontporch = ((hdmi_read(sd, 0x2a) & 0x1f) * 256 + |
1465 | hdmi_read(sd, 0x2b)) / 2; | |
1466 | bt->vsync = ((hdmi_read(sd, 0x2e) & 0x1f) * 256 + | |
1467 | hdmi_read(sd, 0x2f)) / 2; | |
1468 | bt->vbackporch = ((hdmi_read(sd, 0x32) & 0x1f) * 256 + | |
1469 | hdmi_read(sd, 0x33)) / 2; | |
1470 | bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) | | |
1471 | ((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0); | |
1472 | if (bt->interlaced == V4L2_DV_INTERLACED) { | |
1473 | bt->height += (hdmi_read(sd, 0x0b) & 0x0f) * 256 + | |
1474 | hdmi_read(sd, 0x0c); | |
1475 | bt->il_vfrontporch = ((hdmi_read(sd, 0x2c) & 0x1f) * 256 + | |
1476 | hdmi_read(sd, 0x2d)) / 2; | |
1477 | bt->il_vsync = ((hdmi_read(sd, 0x30) & 0x1f) * 256 + | |
1478 | hdmi_read(sd, 0x31)) / 2; | |
f8789e6d | 1479 | bt->il_vbackporch = ((hdmi_read(sd, 0x34) & 0x1f) * 256 + |
e78d834a MB |
1480 | hdmi_read(sd, 0x35)) / 2; |
1481 | } | |
1482 | adv7842_fill_optional_dv_timings_fields(sd, timings); | |
a89bcd4c | 1483 | } else { |
6e9071f2 MB |
1484 | /* find format |
1485 | * Since LCVS values are inaccurate [REF_03, p. 339-340], | |
1486 | * stdi2dv_timings() is called with lcvs +-1 if the first attempt fails. | |
1487 | */ | |
1488 | if (!stdi2dv_timings(sd, &stdi, timings)) | |
1489 | goto found; | |
1490 | stdi.lcvs += 1; | |
1491 | v4l2_dbg(1, debug, sd, "%s: lcvs + 1 = %d\n", __func__, stdi.lcvs); | |
1492 | if (!stdi2dv_timings(sd, &stdi, timings)) | |
1493 | goto found; | |
1494 | stdi.lcvs -= 2; | |
1495 | v4l2_dbg(1, debug, sd, "%s: lcvs - 1 = %d\n", __func__, stdi.lcvs); | |
a89bcd4c | 1496 | if (stdi2dv_timings(sd, &stdi, timings)) { |
6e9071f2 MB |
1497 | /* |
1498 | * The STDI block may measure wrong values, especially | |
1499 | * for lcvs and lcf. If the driver can not find any | |
1500 | * valid timing, the STDI block is restarted to measure | |
1501 | * the video timings again. The function will return an | |
1502 | * error, but the restart of STDI will generate a new | |
1503 | * STDI interrupt and the format detection process will | |
1504 | * restart. | |
1505 | */ | |
1506 | if (state->restart_stdi_once) { | |
1507 | v4l2_dbg(1, debug, sd, "%s: restart STDI\n", __func__); | |
1508 | /* TODO restart STDI for Sync Channel 2 */ | |
1509 | /* enter one-shot mode */ | |
1510 | cp_write_and_or(sd, 0x86, 0xf9, 0x00); | |
1511 | /* trigger STDI restart */ | |
1512 | cp_write_and_or(sd, 0x86, 0xf9, 0x04); | |
1513 | /* reset to continuous mode */ | |
1514 | cp_write_and_or(sd, 0x86, 0xf9, 0x02); | |
1515 | state->restart_stdi_once = false; | |
1516 | return -ENOLINK; | |
1517 | } | |
a89bcd4c HV |
1518 | v4l2_dbg(1, debug, sd, "%s: format not supported\n", __func__); |
1519 | return -ERANGE; | |
1520 | } | |
6e9071f2 | 1521 | state->restart_stdi_once = true; |
a89bcd4c | 1522 | } |
6e9071f2 | 1523 | found: |
a89bcd4c HV |
1524 | |
1525 | if (debug > 1) | |
6e9071f2 MB |
1526 | v4l2_print_dv_timings(sd->name, "adv7842_query_dv_timings:", |
1527 | timings, true); | |
a89bcd4c HV |
1528 | return 0; |
1529 | } | |
1530 | ||
1531 | static int adv7842_s_dv_timings(struct v4l2_subdev *sd, | |
1532 | struct v4l2_dv_timings *timings) | |
1533 | { | |
1534 | struct adv7842_state *state = to_state(sd); | |
1535 | struct v4l2_bt_timings *bt; | |
1536 | int err; | |
1537 | ||
e78d834a MB |
1538 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); |
1539 | ||
a89bcd4c HV |
1540 | if (state->mode == ADV7842_MODE_SDP) |
1541 | return -ENODATA; | |
1542 | ||
834a8be1 MB |
1543 | if (v4l2_match_dv_timings(&state->timings, timings, 0)) { |
1544 | v4l2_dbg(1, debug, sd, "%s: no change\n", __func__); | |
1545 | return 0; | |
1546 | } | |
1547 | ||
a89bcd4c HV |
1548 | bt = &timings->bt; |
1549 | ||
1550 | if (!v4l2_valid_dv_timings(timings, adv7842_get_dv_timings_cap(sd), | |
1551 | adv7842_check_dv_timings, NULL)) | |
1552 | return -ERANGE; | |
1553 | ||
1554 | adv7842_fill_optional_dv_timings_fields(sd, timings); | |
1555 | ||
1556 | state->timings = *timings; | |
1557 | ||
6251e65f | 1558 | cp_write(sd, 0x91, bt->interlaced ? 0x40 : 0x00); |
a89bcd4c HV |
1559 | |
1560 | /* Use prim_mode and vid_std when available */ | |
1561 | err = configure_predefined_video_timings(sd, timings); | |
1562 | if (err) { | |
1563 | /* custom settings when the video format | |
1564 | does not have prim_mode/vid_std */ | |
1565 | configure_custom_video_timings(sd, bt); | |
1566 | } | |
1567 | ||
1568 | set_rgb_quantization_range(sd); | |
1569 | ||
1570 | ||
1571 | if (debug > 1) | |
1572 | v4l2_print_dv_timings(sd->name, "adv7842_s_dv_timings: ", | |
1573 | timings, true); | |
1574 | return 0; | |
1575 | } | |
1576 | ||
1577 | static int adv7842_g_dv_timings(struct v4l2_subdev *sd, | |
1578 | struct v4l2_dv_timings *timings) | |
1579 | { | |
1580 | struct adv7842_state *state = to_state(sd); | |
1581 | ||
1582 | if (state->mode == ADV7842_MODE_SDP) | |
1583 | return -ENODATA; | |
1584 | *timings = state->timings; | |
1585 | return 0; | |
1586 | } | |
1587 | ||
1588 | static void enable_input(struct v4l2_subdev *sd) | |
1589 | { | |
1590 | struct adv7842_state *state = to_state(sd); | |
69e9ba6f HV |
1591 | |
1592 | set_rgb_quantization_range(sd); | |
a89bcd4c HV |
1593 | switch (state->mode) { |
1594 | case ADV7842_MODE_SDP: | |
1595 | case ADV7842_MODE_COMP: | |
1596 | case ADV7842_MODE_RGB: | |
a89bcd4c HV |
1597 | io_write(sd, 0x15, 0xb0); /* Disable Tristate of Pins (no audio) */ |
1598 | break; | |
1599 | case ADV7842_MODE_HDMI: | |
a89bcd4c HV |
1600 | hdmi_write(sd, 0x01, 0x00); /* Enable HDMI clock terminators */ |
1601 | io_write(sd, 0x15, 0xa0); /* Disable Tristate of Pins */ | |
5b64b205 | 1602 | hdmi_write_and_or(sd, 0x1a, 0xef, 0x00); /* Unmute audio */ |
a89bcd4c HV |
1603 | break; |
1604 | default: | |
1605 | v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n", | |
1606 | __func__, state->mode); | |
1607 | break; | |
1608 | } | |
1609 | } | |
1610 | ||
1611 | static void disable_input(struct v4l2_subdev *sd) | |
1612 | { | |
5b64b205 MR |
1613 | hdmi_write_and_or(sd, 0x1a, 0xef, 0x10); /* Mute audio [REF_01, c. 2.2.2] */ |
1614 | msleep(16); /* 512 samples with >= 32 kHz sample rate [REF_03, c. 8.29] */ | |
a89bcd4c | 1615 | io_write(sd, 0x15, 0xbe); /* Tristate all outputs from video core */ |
a89bcd4c HV |
1616 | hdmi_write(sd, 0x01, 0x78); /* Disable HDMI clock terminators */ |
1617 | } | |
1618 | ||
1619 | static void sdp_csc_coeff(struct v4l2_subdev *sd, | |
1620 | const struct adv7842_sdp_csc_coeff *c) | |
1621 | { | |
1622 | /* csc auto/manual */ | |
1623 | sdp_io_write_and_or(sd, 0xe0, 0xbf, c->manual ? 0x00 : 0x40); | |
1624 | ||
1625 | if (!c->manual) | |
1626 | return; | |
1627 | ||
1628 | /* csc scaling */ | |
1629 | sdp_io_write_and_or(sd, 0xe0, 0x7f, c->scaling == 2 ? 0x80 : 0x00); | |
1630 | ||
1631 | /* A coeff */ | |
1632 | sdp_io_write_and_or(sd, 0xe0, 0xe0, c->A1 >> 8); | |
1633 | sdp_io_write(sd, 0xe1, c->A1); | |
1634 | sdp_io_write_and_or(sd, 0xe2, 0xe0, c->A2 >> 8); | |
1635 | sdp_io_write(sd, 0xe3, c->A2); | |
1636 | sdp_io_write_and_or(sd, 0xe4, 0xe0, c->A3 >> 8); | |
1637 | sdp_io_write(sd, 0xe5, c->A3); | |
1638 | ||
1639 | /* A scale */ | |
1640 | sdp_io_write_and_or(sd, 0xe6, 0x80, c->A4 >> 8); | |
1641 | sdp_io_write(sd, 0xe7, c->A4); | |
1642 | ||
1643 | /* B coeff */ | |
1644 | sdp_io_write_and_or(sd, 0xe8, 0xe0, c->B1 >> 8); | |
1645 | sdp_io_write(sd, 0xe9, c->B1); | |
1646 | sdp_io_write_and_or(sd, 0xea, 0xe0, c->B2 >> 8); | |
1647 | sdp_io_write(sd, 0xeb, c->B2); | |
1648 | sdp_io_write_and_or(sd, 0xec, 0xe0, c->B3 >> 8); | |
1649 | sdp_io_write(sd, 0xed, c->B3); | |
1650 | ||
1651 | /* B scale */ | |
1652 | sdp_io_write_and_or(sd, 0xee, 0x80, c->B4 >> 8); | |
1653 | sdp_io_write(sd, 0xef, c->B4); | |
1654 | ||
1655 | /* C coeff */ | |
1656 | sdp_io_write_and_or(sd, 0xf0, 0xe0, c->C1 >> 8); | |
1657 | sdp_io_write(sd, 0xf1, c->C1); | |
1658 | sdp_io_write_and_or(sd, 0xf2, 0xe0, c->C2 >> 8); | |
1659 | sdp_io_write(sd, 0xf3, c->C2); | |
1660 | sdp_io_write_and_or(sd, 0xf4, 0xe0, c->C3 >> 8); | |
1661 | sdp_io_write(sd, 0xf5, c->C3); | |
1662 | ||
1663 | /* C scale */ | |
1664 | sdp_io_write_and_or(sd, 0xf6, 0x80, c->C4 >> 8); | |
1665 | sdp_io_write(sd, 0xf7, c->C4); | |
1666 | } | |
1667 | ||
1668 | static void select_input(struct v4l2_subdev *sd, | |
1669 | enum adv7842_vid_std_select vid_std_select) | |
1670 | { | |
1671 | struct adv7842_state *state = to_state(sd); | |
1672 | ||
1673 | switch (state->mode) { | |
1674 | case ADV7842_MODE_SDP: | |
1675 | io_write(sd, 0x00, vid_std_select); /* video std: CVBS or YC mode */ | |
1676 | io_write(sd, 0x01, 0); /* prim mode */ | |
1677 | /* enable embedded syncs for auto graphics mode */ | |
1678 | cp_write_and_or(sd, 0x81, 0xef, 0x10); | |
1679 | ||
1680 | afe_write(sd, 0x00, 0x00); /* power up ADC */ | |
1681 | afe_write(sd, 0xc8, 0x00); /* phase control */ | |
1682 | ||
a89bcd4c HV |
1683 | io_write(sd, 0xdd, 0x90); /* Manual 2x output clock */ |
1684 | /* script says register 0xde, which don't exist in manual */ | |
1685 | ||
1686 | /* Manual analog input muxing mode, CVBS (6.4)*/ | |
1687 | afe_write_and_or(sd, 0x02, 0x7f, 0x80); | |
1688 | if (vid_std_select == ADV7842_SDP_VID_STD_CVBS_SD_4x1) { | |
1689 | afe_write(sd, 0x03, 0xa0); /* ADC0 to AIN10 (CVBS), ADC1 N/C*/ | |
1690 | afe_write(sd, 0x04, 0x00); /* ADC2 N/C,ADC3 N/C*/ | |
1691 | } else { | |
1692 | afe_write(sd, 0x03, 0xa0); /* ADC0 to AIN10 (CVBS), ADC1 N/C*/ | |
1693 | afe_write(sd, 0x04, 0xc0); /* ADC2 to AIN12, ADC3 N/C*/ | |
1694 | } | |
1695 | afe_write(sd, 0x0c, 0x1f); /* ADI recommend write */ | |
1696 | afe_write(sd, 0x12, 0x63); /* ADI recommend write */ | |
1697 | ||
1698 | sdp_io_write(sd, 0xb2, 0x60); /* Disable AV codes */ | |
1699 | sdp_io_write(sd, 0xc8, 0xe3); /* Disable Ancillary data */ | |
1700 | ||
1701 | /* SDP recommended settings */ | |
1702 | sdp_write(sd, 0x00, 0x3F); /* Autodetect PAL NTSC (not SECAM) */ | |
1703 | sdp_write(sd, 0x01, 0x00); /* Pedestal Off */ | |
1704 | ||
1705 | sdp_write(sd, 0x03, 0xE4); /* Manual VCR Gain Luma 0x40B */ | |
1706 | sdp_write(sd, 0x04, 0x0B); /* Manual Luma setting */ | |
1707 | sdp_write(sd, 0x05, 0xC3); /* Manual Chroma setting 0x3FE */ | |
1708 | sdp_write(sd, 0x06, 0xFE); /* Manual Chroma setting */ | |
1709 | sdp_write(sd, 0x12, 0x0D); /* Frame TBC,I_P, 3D comb enabled */ | |
1710 | sdp_write(sd, 0xA7, 0x00); /* ADI Recommended Write */ | |
1711 | sdp_io_write(sd, 0xB0, 0x00); /* Disable H and v blanking */ | |
1712 | ||
1713 | /* deinterlacer enabled and 3D comb */ | |
1714 | sdp_write_and_or(sd, 0x12, 0xf6, 0x09); | |
1715 | ||
a89bcd4c HV |
1716 | break; |
1717 | ||
1718 | case ADV7842_MODE_COMP: | |
1719 | case ADV7842_MODE_RGB: | |
1720 | /* Automatic analog input muxing mode */ | |
1721 | afe_write_and_or(sd, 0x02, 0x7f, 0x00); | |
1722 | /* set mode and select free run resolution */ | |
1723 | io_write(sd, 0x00, vid_std_select); /* video std */ | |
1724 | io_write(sd, 0x01, 0x02); /* prim mode */ | |
1725 | cp_write_and_or(sd, 0x81, 0xef, 0x10); /* enable embedded syncs | |
1726 | for auto graphics mode */ | |
1727 | ||
1728 | afe_write(sd, 0x00, 0x00); /* power up ADC */ | |
1729 | afe_write(sd, 0xc8, 0x00); /* phase control */ | |
69e9ba6f HV |
1730 | if (state->mode == ADV7842_MODE_COMP) { |
1731 | /* force to YCrCb */ | |
1732 | io_write_and_or(sd, 0x02, 0x0f, 0x60); | |
1733 | } else { | |
1734 | /* force to RGB */ | |
1735 | io_write_and_or(sd, 0x02, 0x0f, 0x10); | |
1736 | } | |
a89bcd4c HV |
1737 | |
1738 | /* set ADI recommended settings for digitizer */ | |
1739 | /* "ADV7842 Register Settings Recommendations | |
1740 | * (rev. 1.8, November 2010)" p. 9. */ | |
1741 | afe_write(sd, 0x0c, 0x1f); /* ADC Range improvement */ | |
1742 | afe_write(sd, 0x12, 0x63); /* ADC Range improvement */ | |
1743 | ||
1744 | /* set to default gain for RGB */ | |
1745 | cp_write(sd, 0x73, 0x10); | |
1746 | cp_write(sd, 0x74, 0x04); | |
1747 | cp_write(sd, 0x75, 0x01); | |
1748 | cp_write(sd, 0x76, 0x00); | |
1749 | ||
1750 | cp_write(sd, 0x3e, 0x04); /* CP core pre-gain control */ | |
1751 | cp_write(sd, 0xc3, 0x39); /* CP coast control. Graphics mode */ | |
1752 | cp_write(sd, 0x40, 0x5c); /* CP core pre-gain control. Graphics mode */ | |
1753 | break; | |
1754 | ||
1755 | case ADV7842_MODE_HDMI: | |
1756 | /* Automatic analog input muxing mode */ | |
1757 | afe_write_and_or(sd, 0x02, 0x7f, 0x00); | |
1758 | /* set mode and select free run resolution */ | |
1759 | if (state->hdmi_port_a) | |
1760 | hdmi_write(sd, 0x00, 0x02); /* select port A */ | |
1761 | else | |
1762 | hdmi_write(sd, 0x00, 0x03); /* select port B */ | |
1763 | io_write(sd, 0x00, vid_std_select); /* video std */ | |
1764 | io_write(sd, 0x01, 5); /* prim mode */ | |
1765 | cp_write_and_or(sd, 0x81, 0xef, 0x00); /* disable embedded syncs | |
1766 | for auto graphics mode */ | |
1767 | ||
1768 | /* set ADI recommended settings for HDMI: */ | |
1769 | /* "ADV7842 Register Settings Recommendations | |
1770 | * (rev. 1.8, November 2010)" p. 3. */ | |
1771 | hdmi_write(sd, 0xc0, 0x00); | |
1772 | hdmi_write(sd, 0x0d, 0x34); /* ADI recommended write */ | |
1773 | hdmi_write(sd, 0x3d, 0x10); /* ADI recommended write */ | |
1774 | hdmi_write(sd, 0x44, 0x85); /* TMDS PLL optimization */ | |
1775 | hdmi_write(sd, 0x46, 0x1f); /* ADI recommended write */ | |
1776 | hdmi_write(sd, 0x57, 0xb6); /* TMDS PLL optimization */ | |
1777 | hdmi_write(sd, 0x58, 0x03); /* TMDS PLL optimization */ | |
1778 | hdmi_write(sd, 0x60, 0x88); /* TMDS PLL optimization */ | |
1779 | hdmi_write(sd, 0x61, 0x88); /* TMDS PLL optimization */ | |
1780 | hdmi_write(sd, 0x6c, 0x18); /* Disable ISRC clearing bit, | |
1781 | Improve robustness */ | |
1782 | hdmi_write(sd, 0x75, 0x10); /* DDC drive strength */ | |
1783 | hdmi_write(sd, 0x85, 0x1f); /* equaliser */ | |
1784 | hdmi_write(sd, 0x87, 0x70); /* ADI recommended write */ | |
1785 | hdmi_write(sd, 0x89, 0x04); /* equaliser */ | |
1786 | hdmi_write(sd, 0x8a, 0x1e); /* equaliser */ | |
1787 | hdmi_write(sd, 0x93, 0x04); /* equaliser */ | |
1788 | hdmi_write(sd, 0x94, 0x1e); /* equaliser */ | |
1789 | hdmi_write(sd, 0x99, 0xa1); /* ADI recommended write */ | |
1790 | hdmi_write(sd, 0x9b, 0x09); /* ADI recommended write */ | |
1791 | hdmi_write(sd, 0x9d, 0x02); /* equaliser */ | |
1792 | ||
1793 | afe_write(sd, 0x00, 0xff); /* power down ADC */ | |
1794 | afe_write(sd, 0xc8, 0x40); /* phase control */ | |
1795 | ||
1796 | /* set to default gain for HDMI */ | |
1797 | cp_write(sd, 0x73, 0x10); | |
1798 | cp_write(sd, 0x74, 0x04); | |
1799 | cp_write(sd, 0x75, 0x01); | |
1800 | cp_write(sd, 0x76, 0x00); | |
1801 | ||
1802 | /* reset ADI recommended settings for digitizer */ | |
1803 | /* "ADV7842 Register Settings Recommendations | |
1804 | * (rev. 2.5, June 2010)" p. 17. */ | |
1805 | afe_write(sd, 0x12, 0xfb); /* ADC noise shaping filter controls */ | |
1806 | afe_write(sd, 0x0c, 0x0d); /* CP core gain controls */ | |
933913da MB |
1807 | cp_write(sd, 0x3e, 0x00); /* CP core pre-gain control */ |
1808 | ||
a89bcd4c HV |
1809 | /* CP coast control */ |
1810 | cp_write(sd, 0xc3, 0x33); /* Component mode */ | |
1811 | ||
1812 | /* color space conversion, autodetect color space */ | |
1813 | io_write_and_or(sd, 0x02, 0x0f, 0xf0); | |
1814 | break; | |
1815 | ||
1816 | default: | |
1817 | v4l2_dbg(2, debug, sd, "%s: Unknown mode %d\n", | |
1818 | __func__, state->mode); | |
1819 | break; | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | static int adv7842_s_routing(struct v4l2_subdev *sd, | |
1824 | u32 input, u32 output, u32 config) | |
1825 | { | |
1826 | struct adv7842_state *state = to_state(sd); | |
1827 | ||
1828 | v4l2_dbg(2, debug, sd, "%s: input %d\n", __func__, input); | |
1829 | ||
1830 | switch (input) { | |
1831 | case ADV7842_SELECT_HDMI_PORT_A: | |
a89bcd4c HV |
1832 | state->mode = ADV7842_MODE_HDMI; |
1833 | state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P; | |
1834 | state->hdmi_port_a = true; | |
1835 | break; | |
1836 | case ADV7842_SELECT_HDMI_PORT_B: | |
a89bcd4c HV |
1837 | state->mode = ADV7842_MODE_HDMI; |
1838 | state->vid_std_select = ADV7842_HDMI_COMP_VID_STD_HD_1250P; | |
1839 | state->hdmi_port_a = false; | |
1840 | break; | |
1841 | case ADV7842_SELECT_VGA_COMP: | |
69e9ba6f HV |
1842 | state->mode = ADV7842_MODE_COMP; |
1843 | state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE; | |
1844 | break; | |
a89bcd4c HV |
1845 | case ADV7842_SELECT_VGA_RGB: |
1846 | state->mode = ADV7842_MODE_RGB; | |
1847 | state->vid_std_select = ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE; | |
1848 | break; | |
1849 | case ADV7842_SELECT_SDP_CVBS: | |
1850 | state->mode = ADV7842_MODE_SDP; | |
1851 | state->vid_std_select = ADV7842_SDP_VID_STD_CVBS_SD_4x1; | |
1852 | break; | |
1853 | case ADV7842_SELECT_SDP_YC: | |
1854 | state->mode = ADV7842_MODE_SDP; | |
1855 | state->vid_std_select = ADV7842_SDP_VID_STD_YC_SD4_x1; | |
1856 | break; | |
1857 | default: | |
1858 | return -EINVAL; | |
1859 | } | |
1860 | ||
1861 | disable_input(sd); | |
1862 | select_input(sd, state->vid_std_select); | |
1863 | enable_input(sd); | |
1864 | ||
1865 | v4l2_subdev_notify(sd, ADV7842_FMT_CHANGE, NULL); | |
1866 | ||
1867 | return 0; | |
1868 | } | |
1869 | ||
1870 | static int adv7842_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index, | |
f5fe58fd | 1871 | u32 *code) |
a89bcd4c HV |
1872 | { |
1873 | if (index) | |
1874 | return -EINVAL; | |
1875 | /* Good enough for now */ | |
f5fe58fd | 1876 | *code = MEDIA_BUS_FMT_FIXED; |
a89bcd4c HV |
1877 | return 0; |
1878 | } | |
1879 | ||
1880 | static int adv7842_g_mbus_fmt(struct v4l2_subdev *sd, | |
1881 | struct v4l2_mbus_framefmt *fmt) | |
1882 | { | |
1883 | struct adv7842_state *state = to_state(sd); | |
1884 | ||
1885 | fmt->width = state->timings.bt.width; | |
1886 | fmt->height = state->timings.bt.height; | |
f5fe58fd | 1887 | fmt->code = MEDIA_BUS_FMT_FIXED; |
a89bcd4c HV |
1888 | fmt->field = V4L2_FIELD_NONE; |
1889 | ||
1890 | if (state->mode == ADV7842_MODE_SDP) { | |
1891 | /* SPD block */ | |
1892 | if (!(sdp_read(sd, 0x5A) & 0x01)) | |
1893 | return -EINVAL; | |
1894 | fmt->width = 720; | |
1895 | /* valid signal */ | |
1896 | if (state->norm & V4L2_STD_525_60) | |
1897 | fmt->height = 480; | |
1898 | else | |
1899 | fmt->height = 576; | |
1900 | fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1901 | return 0; | |
1902 | } | |
1903 | ||
1904 | if (state->timings.bt.standards & V4L2_DV_BT_STD_CEA861) { | |
1905 | fmt->colorspace = (state->timings.bt.height <= 576) ? | |
1906 | V4L2_COLORSPACE_SMPTE170M : V4L2_COLORSPACE_REC709; | |
1907 | } | |
1908 | return 0; | |
1909 | } | |
1910 | ||
1911 | static void adv7842_irq_enable(struct v4l2_subdev *sd, bool enable) | |
1912 | { | |
1913 | if (enable) { | |
1914 | /* Enable SSPD, STDI and CP locked/unlocked interrupts */ | |
1915 | io_write(sd, 0x46, 0x9c); | |
1916 | /* ESDP_50HZ_DET interrupt */ | |
1917 | io_write(sd, 0x5a, 0x10); | |
1918 | /* Enable CABLE_DET_A/B_ST (+5v) interrupt */ | |
1919 | io_write(sd, 0x73, 0x03); | |
1920 | /* Enable V_LOCKED and DE_REGEN_LCK interrupts */ | |
1921 | io_write(sd, 0x78, 0x03); | |
1922 | /* Enable SDP Standard Detection Change and SDP Video Detected */ | |
1923 | io_write(sd, 0xa0, 0x09); | |
019aa8be MB |
1924 | /* Enable HDMI_MODE interrupt */ |
1925 | io_write(sd, 0x69, 0x08); | |
a89bcd4c HV |
1926 | } else { |
1927 | io_write(sd, 0x46, 0x0); | |
1928 | io_write(sd, 0x5a, 0x0); | |
1929 | io_write(sd, 0x73, 0x0); | |
1930 | io_write(sd, 0x78, 0x0); | |
1931 | io_write(sd, 0xa0, 0x0); | |
019aa8be | 1932 | io_write(sd, 0x69, 0x0); |
a89bcd4c HV |
1933 | } |
1934 | } | |
1935 | ||
1936 | static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled) | |
1937 | { | |
1938 | struct adv7842_state *state = to_state(sd); | |
1939 | u8 fmt_change_cp, fmt_change_digital, fmt_change_sdp; | |
019aa8be | 1940 | u8 irq_status[6]; |
a89bcd4c | 1941 | |
c9f1f271 | 1942 | adv7842_irq_enable(sd, false); |
a89bcd4c HV |
1943 | |
1944 | /* read status */ | |
1945 | irq_status[0] = io_read(sd, 0x43); | |
1946 | irq_status[1] = io_read(sd, 0x57); | |
1947 | irq_status[2] = io_read(sd, 0x70); | |
1948 | irq_status[3] = io_read(sd, 0x75); | |
1949 | irq_status[4] = io_read(sd, 0x9d); | |
019aa8be | 1950 | irq_status[5] = io_read(sd, 0x66); |
a89bcd4c HV |
1951 | |
1952 | /* and clear */ | |
1953 | if (irq_status[0]) | |
1954 | io_write(sd, 0x44, irq_status[0]); | |
1955 | if (irq_status[1]) | |
1956 | io_write(sd, 0x58, irq_status[1]); | |
1957 | if (irq_status[2]) | |
1958 | io_write(sd, 0x71, irq_status[2]); | |
1959 | if (irq_status[3]) | |
1960 | io_write(sd, 0x76, irq_status[3]); | |
1961 | if (irq_status[4]) | |
1962 | io_write(sd, 0x9e, irq_status[4]); | |
019aa8be MB |
1963 | if (irq_status[5]) |
1964 | io_write(sd, 0x67, irq_status[5]); | |
a89bcd4c | 1965 | |
c9f1f271 MB |
1966 | adv7842_irq_enable(sd, true); |
1967 | ||
019aa8be | 1968 | v4l2_dbg(1, debug, sd, "%s: irq %x, %x, %x, %x, %x, %x\n", __func__, |
a89bcd4c | 1969 | irq_status[0], irq_status[1], irq_status[2], |
019aa8be | 1970 | irq_status[3], irq_status[4], irq_status[5]); |
a89bcd4c HV |
1971 | |
1972 | /* format change CP */ | |
1973 | fmt_change_cp = irq_status[0] & 0x9c; | |
1974 | ||
1975 | /* format change SDP */ | |
1976 | if (state->mode == ADV7842_MODE_SDP) | |
1977 | fmt_change_sdp = (irq_status[1] & 0x30) | (irq_status[4] & 0x09); | |
1978 | else | |
1979 | fmt_change_sdp = 0; | |
1980 | ||
1981 | /* digital format CP */ | |
1982 | if (is_digital_input(sd)) | |
1983 | fmt_change_digital = irq_status[3] & 0x03; | |
1984 | else | |
1985 | fmt_change_digital = 0; | |
1986 | ||
019aa8be | 1987 | /* format change */ |
a89bcd4c HV |
1988 | if (fmt_change_cp || fmt_change_digital || fmt_change_sdp) { |
1989 | v4l2_dbg(1, debug, sd, | |
1990 | "%s: fmt_change_cp = 0x%x, fmt_change_digital = 0x%x, fmt_change_sdp = 0x%x\n", | |
1991 | __func__, fmt_change_cp, fmt_change_digital, | |
1992 | fmt_change_sdp); | |
1993 | v4l2_subdev_notify(sd, ADV7842_FMT_CHANGE, NULL); | |
019aa8be MB |
1994 | if (handled) |
1995 | *handled = true; | |
a89bcd4c HV |
1996 | } |
1997 | ||
019aa8be MB |
1998 | /* HDMI/DVI mode */ |
1999 | if (irq_status[5] & 0x08) { | |
2000 | v4l2_dbg(1, debug, sd, "%s: irq %s mode\n", __func__, | |
2001 | (io_read(sd, 0x65) & 0x08) ? "HDMI" : "DVI"); | |
5046f26b | 2002 | set_rgb_quantization_range(sd); |
019aa8be MB |
2003 | if (handled) |
2004 | *handled = true; | |
2005 | } | |
a89bcd4c | 2006 | |
019aa8be MB |
2007 | /* tx 5v detect */ |
2008 | if (irq_status[2] & 0x3) { | |
2009 | v4l2_dbg(1, debug, sd, "%s: irq tx_5v\n", __func__); | |
2010 | adv7842_s_detect_tx_5v_ctrl(sd); | |
2011 | if (handled) | |
2012 | *handled = true; | |
2013 | } | |
a89bcd4c HV |
2014 | return 0; |
2015 | } | |
2016 | ||
b09dfac8 | 2017 | static int adv7842_get_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid) |
245b2b67 MB |
2018 | { |
2019 | struct adv7842_state *state = to_state(sd); | |
2020 | u8 *data = NULL; | |
2021 | ||
c909e5ba | 2022 | memset(edid->reserved, 0, sizeof(edid->reserved)); |
245b2b67 MB |
2023 | |
2024 | switch (edid->pad) { | |
2025 | case ADV7842_EDID_PORT_A: | |
2026 | case ADV7842_EDID_PORT_B: | |
2027 | if (state->hdmi_edid.present & (0x04 << edid->pad)) | |
2028 | data = state->hdmi_edid.edid; | |
2029 | break; | |
2030 | case ADV7842_EDID_PORT_VGA: | |
2031 | if (state->vga_edid.present) | |
2032 | data = state->vga_edid.edid; | |
2033 | break; | |
2034 | default: | |
2035 | return -EINVAL; | |
2036 | } | |
c909e5ba HV |
2037 | |
2038 | if (edid->start_block == 0 && edid->blocks == 0) { | |
2039 | edid->blocks = data ? 2 : 0; | |
2040 | return 0; | |
2041 | } | |
2042 | ||
245b2b67 MB |
2043 | if (!data) |
2044 | return -ENODATA; | |
2045 | ||
c909e5ba HV |
2046 | if (edid->start_block >= 2) |
2047 | return -EINVAL; | |
2048 | ||
2049 | if (edid->start_block + edid->blocks > 2) | |
2050 | edid->blocks = 2 - edid->start_block; | |
2051 | ||
2052 | memcpy(edid->edid, data + edid->start_block * 128, edid->blocks * 128); | |
2053 | ||
245b2b67 MB |
2054 | return 0; |
2055 | } | |
2056 | ||
b09dfac8 | 2057 | static int adv7842_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *e) |
a89bcd4c HV |
2058 | { |
2059 | struct adv7842_state *state = to_state(sd); | |
2060 | int err = 0; | |
2061 | ||
c909e5ba HV |
2062 | memset(e->reserved, 0, sizeof(e->reserved)); |
2063 | ||
7de6fab1 | 2064 | if (e->pad > ADV7842_EDID_PORT_VGA) |
a89bcd4c HV |
2065 | return -EINVAL; |
2066 | if (e->start_block != 0) | |
2067 | return -EINVAL; | |
c909e5ba HV |
2068 | if (e->blocks > 2) { |
2069 | e->blocks = 2; | |
a89bcd4c | 2070 | return -E2BIG; |
c909e5ba | 2071 | } |
a89bcd4c HV |
2072 | |
2073 | /* todo, per edid */ | |
2074 | state->aspect_ratio = v4l2_calc_aspect_ratio(e->edid[0x15], | |
2075 | e->edid[0x16]); | |
2076 | ||
7de6fab1 MR |
2077 | switch (e->pad) { |
2078 | case ADV7842_EDID_PORT_VGA: | |
a89bcd4c HV |
2079 | memset(&state->vga_edid.edid, 0, 256); |
2080 | state->vga_edid.present = e->blocks ? 0x1 : 0x0; | |
2081 | memcpy(&state->vga_edid.edid, e->edid, 128 * e->blocks); | |
2082 | err = edid_write_vga_segment(sd); | |
7de6fab1 MR |
2083 | break; |
2084 | case ADV7842_EDID_PORT_A: | |
2085 | case ADV7842_EDID_PORT_B: | |
a89bcd4c HV |
2086 | memset(&state->hdmi_edid.edid, 0, 256); |
2087 | if (e->blocks) | |
7de6fab1 | 2088 | state->hdmi_edid.present |= 0x04 << e->pad; |
a89bcd4c | 2089 | else |
7de6fab1 MR |
2090 | state->hdmi_edid.present &= ~(0x04 << e->pad); |
2091 | memcpy(&state->hdmi_edid.edid, e->edid, 128 * e->blocks); | |
a89bcd4c | 2092 | err = edid_write_hdmi_segment(sd, e->pad); |
7de6fab1 MR |
2093 | break; |
2094 | default: | |
2095 | return -EINVAL; | |
a89bcd4c HV |
2096 | } |
2097 | if (err < 0) | |
2098 | v4l2_err(sd, "error %d writing edid on port %d\n", err, e->pad); | |
2099 | return err; | |
2100 | } | |
2101 | ||
09f90c53 MB |
2102 | struct adv7842_cfg_read_infoframe { |
2103 | const char *desc; | |
2104 | u8 present_mask; | |
2105 | u8 head_addr; | |
2106 | u8 payload_addr; | |
a89bcd4c HV |
2107 | }; |
2108 | ||
09f90c53 | 2109 | static void log_infoframe(struct v4l2_subdev *sd, struct adv7842_cfg_read_infoframe *cri) |
a89bcd4c HV |
2110 | { |
2111 | int i; | |
09f90c53 MB |
2112 | uint8_t buffer[32]; |
2113 | union hdmi_infoframe frame; | |
2114 | u8 len; | |
2115 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
2116 | struct device *dev = &client->dev; | |
a89bcd4c | 2117 | |
09f90c53 MB |
2118 | if (!(io_read(sd, 0x60) & cri->present_mask)) { |
2119 | v4l2_info(sd, "%s infoframe not received\n", cri->desc); | |
a89bcd4c HV |
2120 | return; |
2121 | } | |
2122 | ||
09f90c53 MB |
2123 | for (i = 0; i < 3; i++) |
2124 | buffer[i] = infoframe_read(sd, cri->head_addr + i); | |
a89bcd4c | 2125 | |
09f90c53 | 2126 | len = buffer[2] + 1; |
a89bcd4c | 2127 | |
09f90c53 MB |
2128 | if (len + 3 > sizeof(buffer)) { |
2129 | v4l2_err(sd, "%s: invalid %s infoframe length %d\n", __func__, cri->desc, len); | |
a89bcd4c | 2130 | return; |
09f90c53 | 2131 | } |
a89bcd4c | 2132 | |
09f90c53 MB |
2133 | for (i = 0; i < len; i++) |
2134 | buffer[i + 3] = infoframe_read(sd, cri->payload_addr + i); | |
a89bcd4c | 2135 | |
09f90c53 MB |
2136 | if (hdmi_infoframe_unpack(&frame, buffer) < 0) { |
2137 | v4l2_err(sd, "%s: unpack of %s infoframe failed\n", __func__, cri->desc); | |
2138 | return; | |
2139 | } | |
a89bcd4c | 2140 | |
09f90c53 MB |
2141 | hdmi_infoframe_log(KERN_INFO, dev, &frame); |
2142 | } | |
a89bcd4c | 2143 | |
09f90c53 MB |
2144 | static void adv7842_log_infoframes(struct v4l2_subdev *sd) |
2145 | { | |
2146 | int i; | |
2147 | struct adv7842_cfg_read_infoframe cri[] = { | |
2148 | { "AVI", 0x01, 0xe0, 0x00 }, | |
2149 | { "Audio", 0x02, 0xe3, 0x1c }, | |
2150 | { "SDP", 0x04, 0xe6, 0x2a }, | |
2151 | { "Vendor", 0x10, 0xec, 0x54 } | |
2152 | }; | |
a89bcd4c | 2153 | |
09f90c53 MB |
2154 | if (!(hdmi_read(sd, 0x05) & 0x80)) { |
2155 | v4l2_info(sd, "receive DVI-D signal, no infoframes\n"); | |
2156 | return; | |
2157 | } | |
2158 | ||
2159 | for (i = 0; i < ARRAY_SIZE(cri); i++) | |
2160 | log_infoframe(sd, &cri[i]); | |
a89bcd4c HV |
2161 | } |
2162 | ||
2163 | static const char * const prim_mode_txt[] = { | |
2164 | "SDP", | |
2165 | "Component", | |
2166 | "Graphics", | |
2167 | "Reserved", | |
2168 | "CVBS & HDMI AUDIO", | |
2169 | "HDMI-Comp", | |
2170 | "HDMI-GR", | |
2171 | "Reserved", | |
2172 | "Reserved", | |
2173 | "Reserved", | |
2174 | "Reserved", | |
2175 | "Reserved", | |
2176 | "Reserved", | |
2177 | "Reserved", | |
2178 | "Reserved", | |
2179 | "Reserved", | |
2180 | }; | |
2181 | ||
2182 | static int adv7842_sdp_log_status(struct v4l2_subdev *sd) | |
2183 | { | |
2184 | /* SDP (Standard definition processor) block */ | |
2185 | uint8_t sdp_signal_detected = sdp_read(sd, 0x5A) & 0x01; | |
2186 | ||
2187 | v4l2_info(sd, "Chip powered %s\n", no_power(sd) ? "off" : "on"); | |
2188 | v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x\n", | |
2189 | io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f); | |
2190 | ||
2191 | v4l2_info(sd, "SDP: free run: %s\n", | |
2192 | (sdp_read(sd, 0x56) & 0x01) ? "on" : "off"); | |
2193 | v4l2_info(sd, "SDP: %s\n", sdp_signal_detected ? | |
2194 | "valid SD/PR signal detected" : "invalid/no signal"); | |
2195 | if (sdp_signal_detected) { | |
2196 | static const char * const sdp_std_txt[] = { | |
2197 | "NTSC-M/J", | |
2198 | "1?", | |
2199 | "NTSC-443", | |
2200 | "60HzSECAM", | |
2201 | "PAL-M", | |
2202 | "5?", | |
2203 | "PAL-60", | |
2204 | "7?", "8?", "9?", "a?", "b?", | |
2205 | "PAL-CombN", | |
2206 | "d?", | |
2207 | "PAL-BGHID", | |
2208 | "SECAM" | |
2209 | }; | |
2210 | v4l2_info(sd, "SDP: standard %s\n", | |
2211 | sdp_std_txt[sdp_read(sd, 0x52) & 0x0f]); | |
2212 | v4l2_info(sd, "SDP: %s\n", | |
2213 | (sdp_read(sd, 0x59) & 0x08) ? "50Hz" : "60Hz"); | |
2214 | v4l2_info(sd, "SDP: %s\n", | |
2215 | (sdp_read(sd, 0x57) & 0x08) ? "Interlaced" : "Progressive"); | |
2216 | v4l2_info(sd, "SDP: deinterlacer %s\n", | |
2217 | (sdp_read(sd, 0x12) & 0x08) ? "enabled" : "disabled"); | |
2218 | v4l2_info(sd, "SDP: csc %s mode\n", | |
2219 | (sdp_io_read(sd, 0xe0) & 0x40) ? "auto" : "manual"); | |
2220 | } | |
2221 | return 0; | |
2222 | } | |
2223 | ||
2224 | static int adv7842_cp_log_status(struct v4l2_subdev *sd) | |
2225 | { | |
2226 | /* CP block */ | |
2227 | struct adv7842_state *state = to_state(sd); | |
2228 | struct v4l2_dv_timings timings; | |
2229 | uint8_t reg_io_0x02 = io_read(sd, 0x02); | |
2230 | uint8_t reg_io_0x21 = io_read(sd, 0x21); | |
2231 | uint8_t reg_rep_0x77 = rep_read(sd, 0x77); | |
2232 | uint8_t reg_rep_0x7d = rep_read(sd, 0x7d); | |
2233 | bool audio_pll_locked = hdmi_read(sd, 0x04) & 0x01; | |
2234 | bool audio_sample_packet_detect = hdmi_read(sd, 0x18) & 0x01; | |
2235 | bool audio_mute = io_read(sd, 0x65) & 0x40; | |
2236 | ||
2237 | static const char * const csc_coeff_sel_rb[16] = { | |
2238 | "bypassed", "YPbPr601 -> RGB", "reserved", "YPbPr709 -> RGB", | |
2239 | "reserved", "RGB -> YPbPr601", "reserved", "RGB -> YPbPr709", | |
2240 | "reserved", "YPbPr709 -> YPbPr601", "YPbPr601 -> YPbPr709", | |
2241 | "reserved", "reserved", "reserved", "reserved", "manual" | |
2242 | }; | |
2243 | static const char * const input_color_space_txt[16] = { | |
2244 | "RGB limited range (16-235)", "RGB full range (0-255)", | |
2245 | "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)", | |
69e9ba6f | 2246 | "xvYCC Bt.601", "xvYCC Bt.709", |
a89bcd4c HV |
2247 | "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)", |
2248 | "invalid", "invalid", "invalid", "invalid", "invalid", | |
2249 | "invalid", "invalid", "automatic" | |
2250 | }; | |
2251 | static const char * const rgb_quantization_range_txt[] = { | |
2252 | "Automatic", | |
2253 | "RGB limited range (16-235)", | |
2254 | "RGB full range (0-255)", | |
2255 | }; | |
2256 | static const char * const deep_color_mode_txt[4] = { | |
2257 | "8-bits per channel", | |
2258 | "10-bits per channel", | |
2259 | "12-bits per channel", | |
2260 | "16-bits per channel (not supported)" | |
2261 | }; | |
2262 | ||
2263 | v4l2_info(sd, "-----Chip status-----\n"); | |
2264 | v4l2_info(sd, "Chip power: %s\n", no_power(sd) ? "off" : "on"); | |
a89bcd4c HV |
2265 | v4l2_info(sd, "HDMI/DVI-D port selected: %s\n", |
2266 | state->hdmi_port_a ? "A" : "B"); | |
2267 | v4l2_info(sd, "EDID A %s, B %s\n", | |
2268 | ((reg_rep_0x7d & 0x04) && (reg_rep_0x77 & 0x04)) ? | |
2269 | "enabled" : "disabled", | |
2270 | ((reg_rep_0x7d & 0x08) && (reg_rep_0x77 & 0x08)) ? | |
2271 | "enabled" : "disabled"); | |
2272 | v4l2_info(sd, "HPD A %s, B %s\n", | |
2273 | reg_io_0x21 & 0x02 ? "enabled" : "disabled", | |
2274 | reg_io_0x21 & 0x01 ? "enabled" : "disabled"); | |
2275 | v4l2_info(sd, "CEC %s\n", !!(cec_read(sd, 0x2a) & 0x01) ? | |
2276 | "enabled" : "disabled"); | |
2277 | ||
2278 | v4l2_info(sd, "-----Signal status-----\n"); | |
2279 | if (state->hdmi_port_a) { | |
2280 | v4l2_info(sd, "Cable detected (+5V power): %s\n", | |
2281 | io_read(sd, 0x6f) & 0x02 ? "true" : "false"); | |
2282 | v4l2_info(sd, "TMDS signal detected: %s\n", | |
2283 | (io_read(sd, 0x6a) & 0x02) ? "true" : "false"); | |
2284 | v4l2_info(sd, "TMDS signal locked: %s\n", | |
2285 | (io_read(sd, 0x6a) & 0x20) ? "true" : "false"); | |
2286 | } else { | |
2287 | v4l2_info(sd, "Cable detected (+5V power):%s\n", | |
2288 | io_read(sd, 0x6f) & 0x01 ? "true" : "false"); | |
2289 | v4l2_info(sd, "TMDS signal detected: %s\n", | |
2290 | (io_read(sd, 0x6a) & 0x01) ? "true" : "false"); | |
2291 | v4l2_info(sd, "TMDS signal locked: %s\n", | |
2292 | (io_read(sd, 0x6a) & 0x10) ? "true" : "false"); | |
2293 | } | |
2294 | v4l2_info(sd, "CP free run: %s\n", | |
2295 | (!!(cp_read(sd, 0xff) & 0x10) ? "on" : "off")); | |
2296 | v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x, v_freq = 0x%x\n", | |
2297 | io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f, | |
2298 | (io_read(sd, 0x01) & 0x70) >> 4); | |
2299 | ||
2300 | v4l2_info(sd, "-----Video Timings-----\n"); | |
2301 | if (no_cp_signal(sd)) { | |
2302 | v4l2_info(sd, "STDI: not locked\n"); | |
2303 | } else { | |
2304 | uint32_t bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2); | |
2305 | uint32_t lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4); | |
2306 | uint32_t lcvs = cp_read(sd, 0xb3) >> 3; | |
2307 | uint32_t fcl = ((cp_read(sd, 0xb8) & 0x1f) << 8) | cp_read(sd, 0xb9); | |
2308 | char hs_pol = ((cp_read(sd, 0xb5) & 0x10) ? | |
2309 | ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x'); | |
2310 | char vs_pol = ((cp_read(sd, 0xb5) & 0x40) ? | |
2311 | ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x'); | |
2312 | v4l2_info(sd, | |
2313 | "STDI: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, fcl = %d, %s, %chsync, %cvsync\n", | |
2314 | lcf, bl, lcvs, fcl, | |
2315 | (cp_read(sd, 0xb1) & 0x40) ? | |
2316 | "interlaced" : "progressive", | |
2317 | hs_pol, vs_pol); | |
2318 | } | |
2319 | if (adv7842_query_dv_timings(sd, &timings)) | |
2320 | v4l2_info(sd, "No video detected\n"); | |
2321 | else | |
2322 | v4l2_print_dv_timings(sd->name, "Detected format: ", | |
2323 | &timings, true); | |
2324 | v4l2_print_dv_timings(sd->name, "Configured format: ", | |
2325 | &state->timings, true); | |
2326 | ||
2327 | if (no_cp_signal(sd)) | |
2328 | return 0; | |
2329 | ||
2330 | v4l2_info(sd, "-----Color space-----\n"); | |
2331 | v4l2_info(sd, "RGB quantization range ctrl: %s\n", | |
2332 | rgb_quantization_range_txt[state->rgb_quantization_range]); | |
2333 | v4l2_info(sd, "Input color space: %s\n", | |
2334 | input_color_space_txt[reg_io_0x02 >> 4]); | |
2335 | v4l2_info(sd, "Output color space: %s %s, saturator %s\n", | |
2336 | (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr", | |
2337 | (reg_io_0x02 & 0x04) ? "(16-235)" : "(0-255)", | |
2338 | ((reg_io_0x02 & 0x04) ^ (reg_io_0x02 & 0x01)) ? | |
2339 | "enabled" : "disabled"); | |
2340 | v4l2_info(sd, "Color space conversion: %s\n", | |
2341 | csc_coeff_sel_rb[cp_read(sd, 0xf4) >> 4]); | |
2342 | ||
2343 | if (!is_digital_input(sd)) | |
2344 | return 0; | |
2345 | ||
2346 | v4l2_info(sd, "-----%s status-----\n", is_hdmi(sd) ? "HDMI" : "DVI-D"); | |
2347 | v4l2_info(sd, "HDCP encrypted content: %s\n", | |
2348 | (hdmi_read(sd, 0x05) & 0x40) ? "true" : "false"); | |
2349 | v4l2_info(sd, "HDCP keys read: %s%s\n", | |
2350 | (hdmi_read(sd, 0x04) & 0x20) ? "yes" : "no", | |
2351 | (hdmi_read(sd, 0x04) & 0x10) ? "ERROR" : ""); | |
2352 | if (!is_hdmi(sd)) | |
2353 | return 0; | |
2354 | ||
2355 | v4l2_info(sd, "Audio: pll %s, samples %s, %s\n", | |
2356 | audio_pll_locked ? "locked" : "not locked", | |
2357 | audio_sample_packet_detect ? "detected" : "not detected", | |
2358 | audio_mute ? "muted" : "enabled"); | |
2359 | if (audio_pll_locked && audio_sample_packet_detect) { | |
2360 | v4l2_info(sd, "Audio format: %s\n", | |
2361 | (hdmi_read(sd, 0x07) & 0x40) ? "multi-channel" : "stereo"); | |
2362 | } | |
2363 | v4l2_info(sd, "Audio CTS: %u\n", (hdmi_read(sd, 0x5b) << 12) + | |
2364 | (hdmi_read(sd, 0x5c) << 8) + | |
2365 | (hdmi_read(sd, 0x5d) & 0xf0)); | |
2366 | v4l2_info(sd, "Audio N: %u\n", ((hdmi_read(sd, 0x5d) & 0x0f) << 16) + | |
2367 | (hdmi_read(sd, 0x5e) << 8) + | |
2368 | hdmi_read(sd, 0x5f)); | |
2369 | v4l2_info(sd, "AV Mute: %s\n", | |
2370 | (hdmi_read(sd, 0x04) & 0x40) ? "on" : "off"); | |
2371 | v4l2_info(sd, "Deep color mode: %s\n", | |
2372 | deep_color_mode_txt[hdmi_read(sd, 0x0b) >> 6]); | |
2373 | ||
09f90c53 MB |
2374 | adv7842_log_infoframes(sd); |
2375 | ||
a89bcd4c HV |
2376 | return 0; |
2377 | } | |
2378 | ||
2379 | static int adv7842_log_status(struct v4l2_subdev *sd) | |
2380 | { | |
2381 | struct adv7842_state *state = to_state(sd); | |
2382 | ||
2383 | if (state->mode == ADV7842_MODE_SDP) | |
2384 | return adv7842_sdp_log_status(sd); | |
2385 | return adv7842_cp_log_status(sd); | |
2386 | } | |
2387 | ||
2388 | static int adv7842_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) | |
2389 | { | |
2390 | struct adv7842_state *state = to_state(sd); | |
2391 | ||
2392 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); | |
2393 | ||
2394 | if (state->mode != ADV7842_MODE_SDP) | |
2395 | return -ENODATA; | |
2396 | ||
2397 | if (!(sdp_read(sd, 0x5A) & 0x01)) { | |
2398 | *std = 0; | |
2399 | v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); | |
2400 | return 0; | |
2401 | } | |
2402 | ||
2403 | switch (sdp_read(sd, 0x52) & 0x0f) { | |
2404 | case 0: | |
2405 | /* NTSC-M/J */ | |
2406 | *std &= V4L2_STD_NTSC; | |
2407 | break; | |
2408 | case 2: | |
2409 | /* NTSC-443 */ | |
2410 | *std &= V4L2_STD_NTSC_443; | |
2411 | break; | |
2412 | case 3: | |
2413 | /* 60HzSECAM */ | |
2414 | *std &= V4L2_STD_SECAM; | |
2415 | break; | |
2416 | case 4: | |
2417 | /* PAL-M */ | |
2418 | *std &= V4L2_STD_PAL_M; | |
2419 | break; | |
2420 | case 6: | |
2421 | /* PAL-60 */ | |
2422 | *std &= V4L2_STD_PAL_60; | |
2423 | break; | |
2424 | case 0xc: | |
2425 | /* PAL-CombN */ | |
2426 | *std &= V4L2_STD_PAL_Nc; | |
2427 | break; | |
2428 | case 0xe: | |
2429 | /* PAL-BGHID */ | |
2430 | *std &= V4L2_STD_PAL; | |
2431 | break; | |
2432 | case 0xf: | |
2433 | /* SECAM */ | |
2434 | *std &= V4L2_STD_SECAM; | |
2435 | break; | |
2436 | default: | |
2437 | *std &= V4L2_STD_ALL; | |
2438 | break; | |
2439 | } | |
2440 | return 0; | |
2441 | } | |
2442 | ||
3c4da74f MB |
2443 | static void adv7842_s_sdp_io(struct v4l2_subdev *sd, struct adv7842_sdp_io_sync_adjustment *s) |
2444 | { | |
2445 | if (s && s->adjust) { | |
2446 | sdp_io_write(sd, 0x94, (s->hs_beg >> 8) & 0xf); | |
2447 | sdp_io_write(sd, 0x95, s->hs_beg & 0xff); | |
2448 | sdp_io_write(sd, 0x96, (s->hs_width >> 8) & 0xf); | |
2449 | sdp_io_write(sd, 0x97, s->hs_width & 0xff); | |
2450 | sdp_io_write(sd, 0x98, (s->de_beg >> 8) & 0xf); | |
2451 | sdp_io_write(sd, 0x99, s->de_beg & 0xff); | |
2452 | sdp_io_write(sd, 0x9a, (s->de_end >> 8) & 0xf); | |
2453 | sdp_io_write(sd, 0x9b, s->de_end & 0xff); | |
15058aac MB |
2454 | sdp_io_write(sd, 0xa8, s->vs_beg_o); |
2455 | sdp_io_write(sd, 0xa9, s->vs_beg_e); | |
2456 | sdp_io_write(sd, 0xaa, s->vs_end_o); | |
2457 | sdp_io_write(sd, 0xab, s->vs_end_e); | |
3c4da74f MB |
2458 | sdp_io_write(sd, 0xac, s->de_v_beg_o); |
2459 | sdp_io_write(sd, 0xad, s->de_v_beg_e); | |
2460 | sdp_io_write(sd, 0xae, s->de_v_end_o); | |
2461 | sdp_io_write(sd, 0xaf, s->de_v_end_e); | |
2462 | } else { | |
2463 | /* set to default */ | |
2464 | sdp_io_write(sd, 0x94, 0x00); | |
2465 | sdp_io_write(sd, 0x95, 0x00); | |
2466 | sdp_io_write(sd, 0x96, 0x00); | |
2467 | sdp_io_write(sd, 0x97, 0x20); | |
2468 | sdp_io_write(sd, 0x98, 0x00); | |
2469 | sdp_io_write(sd, 0x99, 0x00); | |
2470 | sdp_io_write(sd, 0x9a, 0x00); | |
2471 | sdp_io_write(sd, 0x9b, 0x00); | |
15058aac MB |
2472 | sdp_io_write(sd, 0xa8, 0x04); |
2473 | sdp_io_write(sd, 0xa9, 0x04); | |
2474 | sdp_io_write(sd, 0xaa, 0x04); | |
2475 | sdp_io_write(sd, 0xab, 0x04); | |
3c4da74f MB |
2476 | sdp_io_write(sd, 0xac, 0x04); |
2477 | sdp_io_write(sd, 0xad, 0x04); | |
2478 | sdp_io_write(sd, 0xae, 0x04); | |
2479 | sdp_io_write(sd, 0xaf, 0x04); | |
2480 | } | |
2481 | } | |
2482 | ||
a89bcd4c HV |
2483 | static int adv7842_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) |
2484 | { | |
2485 | struct adv7842_state *state = to_state(sd); | |
3c4da74f | 2486 | struct adv7842_platform_data *pdata = &state->pdata; |
a89bcd4c HV |
2487 | |
2488 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); | |
2489 | ||
2490 | if (state->mode != ADV7842_MODE_SDP) | |
2491 | return -ENODATA; | |
2492 | ||
3c4da74f MB |
2493 | if (norm & V4L2_STD_625_50) |
2494 | adv7842_s_sdp_io(sd, &pdata->sdp_io_sync_625); | |
2495 | else if (norm & V4L2_STD_525_60) | |
2496 | adv7842_s_sdp_io(sd, &pdata->sdp_io_sync_525); | |
2497 | else | |
2498 | adv7842_s_sdp_io(sd, NULL); | |
2499 | ||
a89bcd4c HV |
2500 | if (norm & V4L2_STD_ALL) { |
2501 | state->norm = norm; | |
2502 | return 0; | |
2503 | } | |
2504 | return -EINVAL; | |
2505 | } | |
2506 | ||
2507 | static int adv7842_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm) | |
2508 | { | |
2509 | struct adv7842_state *state = to_state(sd); | |
2510 | ||
2511 | v4l2_dbg(1, debug, sd, "%s:\n", __func__); | |
2512 | ||
2513 | if (state->mode != ADV7842_MODE_SDP) | |
2514 | return -ENODATA; | |
2515 | ||
2516 | *norm = state->norm; | |
2517 | return 0; | |
2518 | } | |
2519 | ||
2520 | /* ----------------------------------------------------------------------- */ | |
2521 | ||
69e9ba6f | 2522 | static int adv7842_core_init(struct v4l2_subdev *sd) |
a89bcd4c | 2523 | { |
69e9ba6f HV |
2524 | struct adv7842_state *state = to_state(sd); |
2525 | struct adv7842_platform_data *pdata = &state->pdata; | |
a89bcd4c HV |
2526 | hdmi_write(sd, 0x48, |
2527 | (pdata->disable_pwrdnb ? 0x80 : 0) | | |
2528 | (pdata->disable_cable_det_rst ? 0x40 : 0)); | |
2529 | ||
2530 | disable_input(sd); | |
2531 | ||
2ff0f16d MB |
2532 | /* |
2533 | * Disable I2C access to internal EDID ram from HDMI DDC ports | |
2534 | * Disable auto edid enable when leaving powerdown mode | |
2535 | */ | |
2536 | rep_write_and_or(sd, 0x77, 0xd3, 0x20); | |
2537 | ||
a89bcd4c HV |
2538 | /* power */ |
2539 | io_write(sd, 0x0c, 0x42); /* Power up part and power down VDP */ | |
2540 | io_write(sd, 0x15, 0x80); /* Power up pads */ | |
2541 | ||
2542 | /* video format */ | |
2543 | io_write(sd, 0x02, | |
69e9ba6f | 2544 | 0xf0 | |
a89bcd4c HV |
2545 | pdata->alt_gamma << 3 | |
2546 | pdata->op_656_range << 2 | | |
2547 | pdata->rgb_out << 1 | | |
2548 | pdata->alt_data_sat << 0); | |
2549 | io_write(sd, 0x03, pdata->op_format_sel); | |
2550 | io_write_and_or(sd, 0x04, 0x1f, pdata->op_ch_sel << 5); | |
2551 | io_write_and_or(sd, 0x05, 0xf0, pdata->blank_data << 3 | | |
2552 | pdata->insert_av_codes << 2 | | |
2553 | pdata->replicate_av_codes << 1 | | |
2554 | pdata->invert_cbcr << 0); | |
2555 | ||
5b64b205 MR |
2556 | /* HDMI audio */ |
2557 | hdmi_write_and_or(sd, 0x1a, 0xf1, 0x08); /* Wait 1 s before unmute */ | |
2558 | ||
a89bcd4c | 2559 | /* Drive strength */ |
7f95c904 HV |
2560 | io_write_and_or(sd, 0x14, 0xc0, |
2561 | pdata->dr_str_data << 4 | | |
2562 | pdata->dr_str_clk << 2 | | |
2563 | pdata->dr_str_sync); | |
a89bcd4c HV |
2564 | |
2565 | /* HDMI free run */ | |
f0ec1742 MB |
2566 | cp_write_and_or(sd, 0xba, 0xfc, pdata->hdmi_free_run_enable | |
2567 | (pdata->hdmi_free_run_mode << 1)); | |
2568 | ||
2569 | /* SPD free run */ | |
2570 | sdp_write_and_or(sd, 0xdd, 0xf0, pdata->sdp_free_run_force | | |
2571 | (pdata->sdp_free_run_cbar_en << 1) | | |
2572 | (pdata->sdp_free_run_man_col_en << 2) | | |
57f0547f | 2573 | (pdata->sdp_free_run_auto << 3)); |
a89bcd4c HV |
2574 | |
2575 | /* TODO from platform data */ | |
2576 | cp_write(sd, 0x69, 0x14); /* Enable CP CSC */ | |
2577 | io_write(sd, 0x06, 0xa6); /* positive VS and HS and DE */ | |
2578 | cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */ | |
2579 | afe_write(sd, 0xb5, 0x01); /* Setting MCLK to 256Fs */ | |
2580 | ||
2581 | afe_write(sd, 0x02, pdata->ain_sel); /* Select analog input muxing mode */ | |
2582 | io_write_and_or(sd, 0x30, ~(1 << 4), pdata->output_bus_lsb_to_msb << 4); | |
2583 | ||
2584 | sdp_csc_coeff(sd, &pdata->sdp_csc_coeff); | |
2585 | ||
a89bcd4c HV |
2586 | /* todo, improve settings for sdram */ |
2587 | if (pdata->sd_ram_size >= 128) { | |
2588 | sdp_write(sd, 0x12, 0x0d); /* Frame TBC,3D comb enabled */ | |
2589 | if (pdata->sd_ram_ddr) { | |
2590 | /* SDP setup for the AD eval board */ | |
2591 | sdp_io_write(sd, 0x6f, 0x00); /* DDR mode */ | |
2592 | sdp_io_write(sd, 0x75, 0x0a); /* 128 MB memory size */ | |
2593 | sdp_io_write(sd, 0x7a, 0xa5); /* Timing Adjustment */ | |
2594 | sdp_io_write(sd, 0x7b, 0x8f); /* Timing Adjustment */ | |
2595 | sdp_io_write(sd, 0x60, 0x01); /* SDRAM reset */ | |
2596 | } else { | |
2597 | sdp_io_write(sd, 0x75, 0x0a); /* 64 MB memory size ?*/ | |
2598 | sdp_io_write(sd, 0x74, 0x00); /* must be zero for sdr sdram */ | |
2599 | sdp_io_write(sd, 0x79, 0x33); /* CAS latency to 3, | |
2600 | depends on memory */ | |
2601 | sdp_io_write(sd, 0x6f, 0x01); /* SDR mode */ | |
2602 | sdp_io_write(sd, 0x7a, 0xa5); /* Timing Adjustment */ | |
2603 | sdp_io_write(sd, 0x7b, 0x8f); /* Timing Adjustment */ | |
2604 | sdp_io_write(sd, 0x60, 0x01); /* SDRAM reset */ | |
2605 | } | |
2606 | } else { | |
2607 | /* | |
2608 | * Manual UG-214, rev 0 is bit confusing on this bit | |
2609 | * but a '1' disables any signal if the Ram is active. | |
2610 | */ | |
2611 | sdp_io_write(sd, 0x29, 0x10); /* Tristate memory interface */ | |
2612 | } | |
2613 | ||
2614 | select_input(sd, pdata->vid_std_select); | |
2615 | ||
2616 | enable_input(sd); | |
2617 | ||
ce2d2b2d MB |
2618 | if (pdata->hpa_auto) { |
2619 | /* HPA auto, HPA 0.5s after Edid set and Cable detect */ | |
2620 | hdmi_write(sd, 0x69, 0x5c); | |
2621 | } else { | |
2622 | /* HPA manual */ | |
2623 | hdmi_write(sd, 0x69, 0xa3); | |
2624 | /* HPA disable on port A and B */ | |
2625 | io_write_and_or(sd, 0x20, 0xcf, 0x00); | |
2626 | } | |
a89bcd4c HV |
2627 | |
2628 | /* LLC */ | |
fe808f3c | 2629 | io_write(sd, 0x19, 0x80 | pdata->llc_dll_phase); |
a89bcd4c HV |
2630 | io_write(sd, 0x33, 0x40); |
2631 | ||
2632 | /* interrupts */ | |
c9f1f271 | 2633 | io_write(sd, 0x40, 0xf2); /* Configure INT1 */ |
a89bcd4c HV |
2634 | |
2635 | adv7842_irq_enable(sd, true); | |
2636 | ||
2637 | return v4l2_ctrl_handler_setup(sd->ctrl_handler); | |
2638 | } | |
2639 | ||
2640 | /* ----------------------------------------------------------------------- */ | |
2641 | ||
2642 | static int adv7842_ddr_ram_test(struct v4l2_subdev *sd) | |
2643 | { | |
2644 | /* | |
2645 | * From ADV784x external Memory test.pdf | |
2646 | * | |
2647 | * Reset must just been performed before running test. | |
2648 | * Recommended to reset after test. | |
2649 | */ | |
2650 | int i; | |
2651 | int pass = 0; | |
2652 | int fail = 0; | |
2653 | int complete = 0; | |
2654 | ||
2655 | io_write(sd, 0x00, 0x01); /* Program SDP 4x1 */ | |
2656 | io_write(sd, 0x01, 0x00); /* Program SDP mode */ | |
2657 | afe_write(sd, 0x80, 0x92); /* SDP Recommeneded Write */ | |
2658 | afe_write(sd, 0x9B, 0x01); /* SDP Recommeneded Write ADV7844ES1 */ | |
2659 | afe_write(sd, 0x9C, 0x60); /* SDP Recommeneded Write ADV7844ES1 */ | |
2660 | afe_write(sd, 0x9E, 0x02); /* SDP Recommeneded Write ADV7844ES1 */ | |
2661 | afe_write(sd, 0xA0, 0x0B); /* SDP Recommeneded Write ADV7844ES1 */ | |
2662 | afe_write(sd, 0xC3, 0x02); /* Memory BIST Initialisation */ | |
2663 | io_write(sd, 0x0C, 0x40); /* Power up ADV7844 */ | |
2664 | io_write(sd, 0x15, 0xBA); /* Enable outputs */ | |
2665 | sdp_write(sd, 0x12, 0x00); /* Disable 3D comb, Frame TBC & 3DNR */ | |
2666 | io_write(sd, 0xFF, 0x04); /* Reset memory controller */ | |
2667 | ||
2668 | mdelay(5); | |
2669 | ||
2670 | sdp_write(sd, 0x12, 0x00); /* Disable 3D Comb, Frame TBC & 3DNR */ | |
2671 | sdp_io_write(sd, 0x2A, 0x01); /* Memory BIST Initialisation */ | |
2672 | sdp_io_write(sd, 0x7c, 0x19); /* Memory BIST Initialisation */ | |
2673 | sdp_io_write(sd, 0x80, 0x87); /* Memory BIST Initialisation */ | |
2674 | sdp_io_write(sd, 0x81, 0x4a); /* Memory BIST Initialisation */ | |
2675 | sdp_io_write(sd, 0x82, 0x2c); /* Memory BIST Initialisation */ | |
2676 | sdp_io_write(sd, 0x83, 0x0e); /* Memory BIST Initialisation */ | |
2677 | sdp_io_write(sd, 0x84, 0x94); /* Memory BIST Initialisation */ | |
2678 | sdp_io_write(sd, 0x85, 0x62); /* Memory BIST Initialisation */ | |
2679 | sdp_io_write(sd, 0x7d, 0x00); /* Memory BIST Initialisation */ | |
2680 | sdp_io_write(sd, 0x7e, 0x1a); /* Memory BIST Initialisation */ | |
2681 | ||
2682 | mdelay(5); | |
2683 | ||
2684 | sdp_io_write(sd, 0xd9, 0xd5); /* Enable BIST Test */ | |
2685 | sdp_write(sd, 0x12, 0x05); /* Enable FRAME TBC & 3D COMB */ | |
2686 | ||
2687 | mdelay(20); | |
2688 | ||
2689 | for (i = 0; i < 10; i++) { | |
2690 | u8 result = sdp_io_read(sd, 0xdb); | |
2691 | if (result & 0x10) { | |
2692 | complete++; | |
2693 | if (result & 0x20) | |
2694 | fail++; | |
2695 | else | |
2696 | pass++; | |
2697 | } | |
2698 | mdelay(20); | |
2699 | } | |
2700 | ||
2701 | v4l2_dbg(1, debug, sd, | |
2702 | "Ram Test: completed %d of %d: pass %d, fail %d\n", | |
2703 | complete, i, pass, fail); | |
2704 | ||
2705 | if (!complete || fail) | |
2706 | return -EIO; | |
2707 | return 0; | |
2708 | } | |
2709 | ||
2710 | static void adv7842_rewrite_i2c_addresses(struct v4l2_subdev *sd, | |
2711 | struct adv7842_platform_data *pdata) | |
2712 | { | |
2713 | io_write(sd, 0xf1, pdata->i2c_sdp << 1); | |
2714 | io_write(sd, 0xf2, pdata->i2c_sdp_io << 1); | |
2715 | io_write(sd, 0xf3, pdata->i2c_avlink << 1); | |
2716 | io_write(sd, 0xf4, pdata->i2c_cec << 1); | |
2717 | io_write(sd, 0xf5, pdata->i2c_infoframe << 1); | |
2718 | ||
2719 | io_write(sd, 0xf8, pdata->i2c_afe << 1); | |
2720 | io_write(sd, 0xf9, pdata->i2c_repeater << 1); | |
2721 | io_write(sd, 0xfa, pdata->i2c_edid << 1); | |
2722 | io_write(sd, 0xfb, pdata->i2c_hdmi << 1); | |
2723 | ||
2724 | io_write(sd, 0xfd, pdata->i2c_cp << 1); | |
2725 | io_write(sd, 0xfe, pdata->i2c_vdp << 1); | |
2726 | } | |
2727 | ||
2728 | static int adv7842_command_ram_test(struct v4l2_subdev *sd) | |
2729 | { | |
2730 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
2731 | struct adv7842_state *state = to_state(sd); | |
2732 | struct adv7842_platform_data *pdata = client->dev.platform_data; | |
1961b720 | 2733 | struct v4l2_dv_timings timings; |
a89bcd4c HV |
2734 | int ret = 0; |
2735 | ||
2736 | if (!pdata) | |
2737 | return -ENODEV; | |
2738 | ||
2739 | if (!pdata->sd_ram_size || !pdata->sd_ram_ddr) { | |
2740 | v4l2_info(sd, "no sdram or no ddr sdram\n"); | |
2741 | return -EINVAL; | |
2742 | } | |
2743 | ||
2744 | main_reset(sd); | |
2745 | ||
2746 | adv7842_rewrite_i2c_addresses(sd, pdata); | |
2747 | ||
2748 | /* run ram test */ | |
2749 | ret = adv7842_ddr_ram_test(sd); | |
2750 | ||
2751 | main_reset(sd); | |
2752 | ||
2753 | adv7842_rewrite_i2c_addresses(sd, pdata); | |
2754 | ||
2755 | /* and re-init chip and state */ | |
69e9ba6f | 2756 | adv7842_core_init(sd); |
a89bcd4c HV |
2757 | |
2758 | disable_input(sd); | |
2759 | ||
2760 | select_input(sd, state->vid_std_select); | |
2761 | ||
2762 | enable_input(sd); | |
2763 | ||
a89bcd4c | 2764 | edid_write_vga_segment(sd); |
fc2e991e MB |
2765 | edid_write_hdmi_segment(sd, ADV7842_EDID_PORT_A); |
2766 | edid_write_hdmi_segment(sd, ADV7842_EDID_PORT_B); | |
a89bcd4c | 2767 | |
1961b720 MB |
2768 | timings = state->timings; |
2769 | ||
2770 | memset(&state->timings, 0, sizeof(struct v4l2_dv_timings)); | |
2771 | ||
2772 | adv7842_s_dv_timings(sd, &timings); | |
2773 | ||
a89bcd4c HV |
2774 | return ret; |
2775 | } | |
2776 | ||
2777 | static long adv7842_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) | |
2778 | { | |
2779 | switch (cmd) { | |
2780 | case ADV7842_CMD_RAM_TEST: | |
2781 | return adv7842_command_ram_test(sd); | |
2782 | } | |
2783 | return -ENOTTY; | |
2784 | } | |
2785 | ||
2786 | /* ----------------------------------------------------------------------- */ | |
2787 | ||
2788 | static const struct v4l2_ctrl_ops adv7842_ctrl_ops = { | |
2789 | .s_ctrl = adv7842_s_ctrl, | |
2790 | }; | |
2791 | ||
2792 | static const struct v4l2_subdev_core_ops adv7842_core_ops = { | |
2793 | .log_status = adv7842_log_status, | |
a89bcd4c HV |
2794 | .ioctl = adv7842_ioctl, |
2795 | .interrupt_service_routine = adv7842_isr, | |
2796 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
2797 | .g_register = adv7842_g_register, | |
2798 | .s_register = adv7842_s_register, | |
2799 | #endif | |
2800 | }; | |
2801 | ||
2802 | static const struct v4l2_subdev_video_ops adv7842_video_ops = { | |
8774bed9 LP |
2803 | .g_std = adv7842_g_std, |
2804 | .s_std = adv7842_s_std, | |
a89bcd4c HV |
2805 | .s_routing = adv7842_s_routing, |
2806 | .querystd = adv7842_querystd, | |
2807 | .g_input_status = adv7842_g_input_status, | |
2808 | .s_dv_timings = adv7842_s_dv_timings, | |
2809 | .g_dv_timings = adv7842_g_dv_timings, | |
2810 | .query_dv_timings = adv7842_query_dv_timings, | |
a89bcd4c HV |
2811 | .enum_mbus_fmt = adv7842_enum_mbus_fmt, |
2812 | .g_mbus_fmt = adv7842_g_mbus_fmt, | |
2813 | .try_mbus_fmt = adv7842_g_mbus_fmt, | |
2814 | .s_mbus_fmt = adv7842_g_mbus_fmt, | |
2815 | }; | |
2816 | ||
2817 | static const struct v4l2_subdev_pad_ops adv7842_pad_ops = { | |
245b2b67 | 2818 | .get_edid = adv7842_get_edid, |
a89bcd4c | 2819 | .set_edid = adv7842_set_edid, |
c916194c LP |
2820 | .enum_dv_timings = adv7842_enum_dv_timings, |
2821 | .dv_timings_cap = adv7842_dv_timings_cap, | |
a89bcd4c HV |
2822 | }; |
2823 | ||
2824 | static const struct v4l2_subdev_ops adv7842_ops = { | |
2825 | .core = &adv7842_core_ops, | |
2826 | .video = &adv7842_video_ops, | |
2827 | .pad = &adv7842_pad_ops, | |
2828 | }; | |
2829 | ||
2830 | /* -------------------------- custom ctrls ---------------------------------- */ | |
2831 | ||
2832 | static const struct v4l2_ctrl_config adv7842_ctrl_analog_sampling_phase = { | |
2833 | .ops = &adv7842_ctrl_ops, | |
2834 | .id = V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE, | |
2835 | .name = "Analog Sampling Phase", | |
2836 | .type = V4L2_CTRL_TYPE_INTEGER, | |
2837 | .min = 0, | |
2838 | .max = 0x1f, | |
2839 | .step = 1, | |
2840 | .def = 0, | |
2841 | }; | |
2842 | ||
2843 | static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color_manual = { | |
2844 | .ops = &adv7842_ctrl_ops, | |
2845 | .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL, | |
2846 | .name = "Free Running Color, Manual", | |
2847 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
2848 | .max = 1, | |
2849 | .step = 1, | |
2850 | .def = 1, | |
2851 | }; | |
2852 | ||
2853 | static const struct v4l2_ctrl_config adv7842_ctrl_free_run_color = { | |
2854 | .ops = &adv7842_ctrl_ops, | |
2855 | .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR, | |
2856 | .name = "Free Running Color", | |
2857 | .type = V4L2_CTRL_TYPE_INTEGER, | |
2858 | .max = 0xffffff, | |
2859 | .step = 0x1, | |
2860 | }; | |
2861 | ||
2862 | ||
b82e2793 | 2863 | static void adv7842_unregister_clients(struct v4l2_subdev *sd) |
a89bcd4c | 2864 | { |
b82e2793 | 2865 | struct adv7842_state *state = to_state(sd); |
a89bcd4c HV |
2866 | if (state->i2c_avlink) |
2867 | i2c_unregister_device(state->i2c_avlink); | |
2868 | if (state->i2c_cec) | |
2869 | i2c_unregister_device(state->i2c_cec); | |
2870 | if (state->i2c_infoframe) | |
2871 | i2c_unregister_device(state->i2c_infoframe); | |
2872 | if (state->i2c_sdp_io) | |
2873 | i2c_unregister_device(state->i2c_sdp_io); | |
2874 | if (state->i2c_sdp) | |
2875 | i2c_unregister_device(state->i2c_sdp); | |
2876 | if (state->i2c_afe) | |
2877 | i2c_unregister_device(state->i2c_afe); | |
2878 | if (state->i2c_repeater) | |
2879 | i2c_unregister_device(state->i2c_repeater); | |
2880 | if (state->i2c_edid) | |
2881 | i2c_unregister_device(state->i2c_edid); | |
2882 | if (state->i2c_hdmi) | |
2883 | i2c_unregister_device(state->i2c_hdmi); | |
2884 | if (state->i2c_cp) | |
2885 | i2c_unregister_device(state->i2c_cp); | |
2886 | if (state->i2c_vdp) | |
2887 | i2c_unregister_device(state->i2c_vdp); | |
b82e2793 MB |
2888 | |
2889 | state->i2c_avlink = NULL; | |
2890 | state->i2c_cec = NULL; | |
2891 | state->i2c_infoframe = NULL; | |
2892 | state->i2c_sdp_io = NULL; | |
2893 | state->i2c_sdp = NULL; | |
2894 | state->i2c_afe = NULL; | |
2895 | state->i2c_repeater = NULL; | |
2896 | state->i2c_edid = NULL; | |
2897 | state->i2c_hdmi = NULL; | |
2898 | state->i2c_cp = NULL; | |
2899 | state->i2c_vdp = NULL; | |
a89bcd4c HV |
2900 | } |
2901 | ||
b82e2793 | 2902 | static struct i2c_client *adv7842_dummy_client(struct v4l2_subdev *sd, const char *desc, |
a89bcd4c HV |
2903 | u8 addr, u8 io_reg) |
2904 | { | |
2905 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
b82e2793 | 2906 | struct i2c_client *cp; |
a89bcd4c HV |
2907 | |
2908 | io_write(sd, io_reg, addr << 1); | |
b82e2793 MB |
2909 | |
2910 | if (addr == 0) { | |
2911 | v4l2_err(sd, "no %s i2c addr configured\n", desc); | |
2912 | return NULL; | |
2913 | } | |
2914 | ||
2915 | cp = i2c_new_dummy(client->adapter, io_read(sd, io_reg) >> 1); | |
2916 | if (!cp) | |
2917 | v4l2_err(sd, "register %s on i2c addr 0x%x failed\n", desc, addr); | |
2918 | ||
2919 | return cp; | |
2920 | } | |
2921 | ||
2922 | static int adv7842_register_clients(struct v4l2_subdev *sd) | |
2923 | { | |
2924 | struct adv7842_state *state = to_state(sd); | |
2925 | struct adv7842_platform_data *pdata = &state->pdata; | |
2926 | ||
2927 | state->i2c_avlink = adv7842_dummy_client(sd, "avlink", pdata->i2c_avlink, 0xf3); | |
2928 | state->i2c_cec = adv7842_dummy_client(sd, "cec", pdata->i2c_cec, 0xf4); | |
2929 | state->i2c_infoframe = adv7842_dummy_client(sd, "infoframe", pdata->i2c_infoframe, 0xf5); | |
2930 | state->i2c_sdp_io = adv7842_dummy_client(sd, "sdp_io", pdata->i2c_sdp_io, 0xf2); | |
2931 | state->i2c_sdp = adv7842_dummy_client(sd, "sdp", pdata->i2c_sdp, 0xf1); | |
2932 | state->i2c_afe = adv7842_dummy_client(sd, "afe", pdata->i2c_afe, 0xf8); | |
2933 | state->i2c_repeater = adv7842_dummy_client(sd, "repeater", pdata->i2c_repeater, 0xf9); | |
2934 | state->i2c_edid = adv7842_dummy_client(sd, "edid", pdata->i2c_edid, 0xfa); | |
2935 | state->i2c_hdmi = adv7842_dummy_client(sd, "hdmi", pdata->i2c_hdmi, 0xfb); | |
2936 | state->i2c_cp = adv7842_dummy_client(sd, "cp", pdata->i2c_cp, 0xfd); | |
2937 | state->i2c_vdp = adv7842_dummy_client(sd, "vdp", pdata->i2c_vdp, 0xfe); | |
2938 | ||
2939 | if (!state->i2c_avlink || | |
2940 | !state->i2c_cec || | |
2941 | !state->i2c_infoframe || | |
2942 | !state->i2c_sdp_io || | |
2943 | !state->i2c_sdp || | |
2944 | !state->i2c_afe || | |
2945 | !state->i2c_repeater || | |
2946 | !state->i2c_edid || | |
2947 | !state->i2c_hdmi || | |
2948 | !state->i2c_cp || | |
2949 | !state->i2c_vdp) | |
2950 | return -1; | |
2951 | ||
2952 | return 0; | |
a89bcd4c HV |
2953 | } |
2954 | ||
2955 | static int adv7842_probe(struct i2c_client *client, | |
2956 | const struct i2c_device_id *id) | |
2957 | { | |
2958 | struct adv7842_state *state; | |
0bb4e7ab HV |
2959 | static const struct v4l2_dv_timings cea640x480 = |
2960 | V4L2_DV_BT_CEA_640X480P59_94; | |
a89bcd4c HV |
2961 | struct adv7842_platform_data *pdata = client->dev.platform_data; |
2962 | struct v4l2_ctrl_handler *hdl; | |
2963 | struct v4l2_subdev *sd; | |
2964 | u16 rev; | |
2965 | int err; | |
2966 | ||
2967 | /* Check if the adapter supports the needed features */ | |
2968 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
2969 | return -EIO; | |
2970 | ||
2971 | v4l_dbg(1, debug, client, "detecting adv7842 client on address 0x%x\n", | |
2972 | client->addr << 1); | |
2973 | ||
2974 | if (!pdata) { | |
2975 | v4l_err(client, "No platform data!\n"); | |
2976 | return -ENODEV; | |
2977 | } | |
2978 | ||
2979 | state = devm_kzalloc(&client->dev, sizeof(struct adv7842_state), GFP_KERNEL); | |
2980 | if (!state) { | |
2981 | v4l_err(client, "Could not allocate adv7842_state memory!\n"); | |
2982 | return -ENOMEM; | |
2983 | } | |
2984 | ||
7de5be44 MB |
2985 | /* platform data */ |
2986 | state->pdata = *pdata; | |
0bb4e7ab | 2987 | state->timings = cea640x480; |
7de5be44 | 2988 | |
a89bcd4c HV |
2989 | sd = &state->sd; |
2990 | v4l2_i2c_subdev_init(sd, client, &adv7842_ops); | |
2991 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; | |
a89bcd4c HV |
2992 | state->mode = pdata->mode; |
2993 | ||
8e4e3631 | 2994 | state->hdmi_port_a = pdata->input == ADV7842_SELECT_HDMI_PORT_A; |
6e9071f2 | 2995 | state->restart_stdi_once = true; |
a89bcd4c HV |
2996 | |
2997 | /* i2c access to adv7842? */ | |
2998 | rev = adv_smbus_read_byte_data_check(client, 0xea, false) << 8 | | |
2999 | adv_smbus_read_byte_data_check(client, 0xeb, false); | |
3000 | if (rev != 0x2012) { | |
3001 | v4l2_info(sd, "got rev=0x%04x on first read attempt\n", rev); | |
3002 | rev = adv_smbus_read_byte_data_check(client, 0xea, false) << 8 | | |
3003 | adv_smbus_read_byte_data_check(client, 0xeb, false); | |
3004 | } | |
3005 | if (rev != 0x2012) { | |
3006 | v4l2_info(sd, "not an adv7842 on address 0x%x (rev=0x%04x)\n", | |
3007 | client->addr << 1, rev); | |
3008 | return -ENODEV; | |
3009 | } | |
3010 | ||
3011 | if (pdata->chip_reset) | |
3012 | main_reset(sd); | |
3013 | ||
3014 | /* control handlers */ | |
3015 | hdl = &state->hdl; | |
3016 | v4l2_ctrl_handler_init(hdl, 6); | |
3017 | ||
3018 | /* add in ascending ID order */ | |
3019 | v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops, | |
3020 | V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); | |
3021 | v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops, | |
3022 | V4L2_CID_CONTRAST, 0, 255, 1, 128); | |
3023 | v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops, | |
3024 | V4L2_CID_SATURATION, 0, 255, 1, 128); | |
3025 | v4l2_ctrl_new_std(hdl, &adv7842_ctrl_ops, | |
3026 | V4L2_CID_HUE, 0, 128, 1, 0); | |
3027 | ||
3028 | /* custom controls */ | |
3029 | state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL, | |
3030 | V4L2_CID_DV_RX_POWER_PRESENT, 0, 3, 0, 0); | |
3031 | state->analog_sampling_phase_ctrl = v4l2_ctrl_new_custom(hdl, | |
3032 | &adv7842_ctrl_analog_sampling_phase, NULL); | |
3033 | state->free_run_color_ctrl_manual = v4l2_ctrl_new_custom(hdl, | |
3034 | &adv7842_ctrl_free_run_color_manual, NULL); | |
3035 | state->free_run_color_ctrl = v4l2_ctrl_new_custom(hdl, | |
3036 | &adv7842_ctrl_free_run_color, NULL); | |
3037 | state->rgb_quantization_range_ctrl = | |
3038 | v4l2_ctrl_new_std_menu(hdl, &adv7842_ctrl_ops, | |
3039 | V4L2_CID_DV_RX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL, | |
3040 | 0, V4L2_DV_RGB_RANGE_AUTO); | |
3041 | sd->ctrl_handler = hdl; | |
3042 | if (hdl->error) { | |
3043 | err = hdl->error; | |
3044 | goto err_hdl; | |
3045 | } | |
3046 | state->detect_tx_5v_ctrl->is_private = true; | |
3047 | state->rgb_quantization_range_ctrl->is_private = true; | |
3048 | state->analog_sampling_phase_ctrl->is_private = true; | |
3049 | state->free_run_color_ctrl_manual->is_private = true; | |
3050 | state->free_run_color_ctrl->is_private = true; | |
3051 | ||
3052 | if (adv7842_s_detect_tx_5v_ctrl(sd)) { | |
3053 | err = -ENODEV; | |
3054 | goto err_hdl; | |
3055 | } | |
3056 | ||
b82e2793 | 3057 | if (adv7842_register_clients(sd) < 0) { |
a89bcd4c HV |
3058 | err = -ENOMEM; |
3059 | v4l2_err(sd, "failed to create all i2c clients\n"); | |
3060 | goto err_i2c; | |
3061 | } | |
3062 | ||
3063 | /* work queues */ | |
3064 | state->work_queues = create_singlethread_workqueue(client->name); | |
3065 | if (!state->work_queues) { | |
3066 | v4l2_err(sd, "Could not create work queue\n"); | |
3067 | err = -ENOMEM; | |
3068 | goto err_i2c; | |
3069 | } | |
3070 | ||
3071 | INIT_DELAYED_WORK(&state->delayed_work_enable_hotplug, | |
3072 | adv7842_delayed_work_enable_hotplug); | |
3073 | ||
3074 | state->pad.flags = MEDIA_PAD_FL_SOURCE; | |
3075 | err = media_entity_init(&sd->entity, 1, &state->pad, 0); | |
3076 | if (err) | |
3077 | goto err_work_queues; | |
3078 | ||
7de5be44 | 3079 | err = adv7842_core_init(sd); |
a89bcd4c HV |
3080 | if (err) |
3081 | goto err_entity; | |
3082 | ||
3083 | v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name, | |
3084 | client->addr << 1, client->adapter->name); | |
3085 | return 0; | |
3086 | ||
3087 | err_entity: | |
3088 | media_entity_cleanup(&sd->entity); | |
3089 | err_work_queues: | |
3090 | cancel_delayed_work(&state->delayed_work_enable_hotplug); | |
3091 | destroy_workqueue(state->work_queues); | |
3092 | err_i2c: | |
b82e2793 | 3093 | adv7842_unregister_clients(sd); |
a89bcd4c HV |
3094 | err_hdl: |
3095 | v4l2_ctrl_handler_free(hdl); | |
3096 | return err; | |
3097 | } | |
3098 | ||
3099 | /* ----------------------------------------------------------------------- */ | |
3100 | ||
3101 | static int adv7842_remove(struct i2c_client *client) | |
3102 | { | |
3103 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
3104 | struct adv7842_state *state = to_state(sd); | |
3105 | ||
3106 | adv7842_irq_enable(sd, false); | |
3107 | ||
3108 | cancel_delayed_work(&state->delayed_work_enable_hotplug); | |
3109 | destroy_workqueue(state->work_queues); | |
3110 | v4l2_device_unregister_subdev(sd); | |
3111 | media_entity_cleanup(&sd->entity); | |
b82e2793 | 3112 | adv7842_unregister_clients(sd); |
a89bcd4c HV |
3113 | v4l2_ctrl_handler_free(sd->ctrl_handler); |
3114 | return 0; | |
3115 | } | |
3116 | ||
3117 | /* ----------------------------------------------------------------------- */ | |
3118 | ||
3119 | static struct i2c_device_id adv7842_id[] = { | |
3120 | { "adv7842", 0 }, | |
3121 | { } | |
3122 | }; | |
3123 | MODULE_DEVICE_TABLE(i2c, adv7842_id); | |
3124 | ||
3125 | /* ----------------------------------------------------------------------- */ | |
3126 | ||
3127 | static struct i2c_driver adv7842_driver = { | |
3128 | .driver = { | |
3129 | .owner = THIS_MODULE, | |
3130 | .name = "adv7842", | |
3131 | }, | |
3132 | .probe = adv7842_probe, | |
3133 | .remove = adv7842_remove, | |
3134 | .id_table = adv7842_id, | |
3135 | }; | |
3136 | ||
3137 | module_i2c_driver(adv7842_driver); |