1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  Driver for the NXP SAA7164 PCIe bridge
4  *
5  *  Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com>
6  */
7 
8 #include <linux/wait.h>
9 #include <linux/slab.h>
10 
11 #include "saa7164.h"
12 
saa7164_api_get_load_info(struct saa7164_dev * dev,struct tmFwInfoStruct * i)13 int saa7164_api_get_load_info(struct saa7164_dev *dev, struct tmFwInfoStruct *i)
14 {
15 	int ret;
16 
17 	if (!(saa_debug & DBGLVL_CPU))
18 		return 0;
19 
20 	dprintk(DBGLVL_API, "%s()\n", __func__);
21 
22 	i->deviceinst = 0;
23 	i->devicespec = 0;
24 	i->mode = 0;
25 	i->status = 0;
26 
27 	ret = saa7164_cmd_send(dev, 0, GET_CUR,
28 		GET_FW_STATUS_CONTROL, sizeof(struct tmFwInfoStruct), i);
29 	if (ret != SAA_OK)
30 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
31 
32 	printk(KERN_INFO "saa7164[%d]-CPU: %d percent", dev->nr, i->CPULoad);
33 
34 	return ret;
35 }
36 
saa7164_api_collect_debug(struct saa7164_dev * dev)37 int saa7164_api_collect_debug(struct saa7164_dev *dev)
38 {
39 	struct tmComResDebugGetData d;
40 	u8 more = 255;
41 	int ret;
42 
43 	dprintk(DBGLVL_API, "%s()\n", __func__);
44 
45 	while (more--) {
46 
47 		memset(&d, 0, sizeof(d));
48 
49 		ret = saa7164_cmd_send(dev, 0, GET_CUR,
50 			GET_DEBUG_DATA_CONTROL, sizeof(d), &d);
51 		if (ret != SAA_OK)
52 			printk(KERN_ERR "%s() error, ret = 0x%x\n",
53 				__func__, ret);
54 
55 		if (d.dwResult != SAA_OK)
56 			break;
57 
58 		printk(KERN_INFO "saa7164[%d]-FWMSG: %s", dev->nr,
59 			d.ucDebugData);
60 	}
61 
62 	return 0;
63 }
64 
saa7164_api_set_debug(struct saa7164_dev * dev,u8 level)65 int saa7164_api_set_debug(struct saa7164_dev *dev, u8 level)
66 {
67 	struct tmComResDebugSetLevel lvl;
68 	int ret;
69 
70 	dprintk(DBGLVL_API, "%s(level=%d)\n", __func__, level);
71 
72 	/* Retrieve current state */
73 	ret = saa7164_cmd_send(dev, 0, GET_CUR,
74 		SET_DEBUG_LEVEL_CONTROL, sizeof(lvl), &lvl);
75 	if (ret != SAA_OK)
76 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
77 
78 	dprintk(DBGLVL_API, "%s() Was %d\n", __func__, lvl.dwDebugLevel);
79 
80 	lvl.dwDebugLevel = level;
81 
82 	/* set new state */
83 	ret = saa7164_cmd_send(dev, 0, SET_CUR,
84 		SET_DEBUG_LEVEL_CONTROL, sizeof(lvl), &lvl);
85 	if (ret != SAA_OK)
86 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
87 
88 	return ret;
89 }
90 
saa7164_api_set_vbi_format(struct saa7164_port * port)91 int saa7164_api_set_vbi_format(struct saa7164_port *port)
92 {
93 	struct saa7164_dev *dev = port->dev;
94 	struct tmComResProbeCommit fmt, rsp;
95 	int ret;
96 
97 	dprintk(DBGLVL_API, "%s(nr=%d, unitid=0x%x)\n", __func__,
98 		port->nr, port->hwcfg.unitid);
99 
100 	fmt.bmHint = 0;
101 	fmt.bFormatIndex = 1;
102 	fmt.bFrameIndex = 1;
103 
104 	/* Probe, see if it can support this format */
105 	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
106 		SET_CUR, SAA_PROBE_CONTROL, sizeof(fmt), &fmt);
107 	if (ret != SAA_OK)
108 		printk(KERN_ERR "%s() set error, ret = 0x%x\n", __func__, ret);
109 
110 	/* See of the format change was successful */
111 	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
112 		GET_CUR, SAA_PROBE_CONTROL, sizeof(rsp), &rsp);
113 	if (ret != SAA_OK) {
114 		printk(KERN_ERR "%s() get error, ret = 0x%x\n", __func__, ret);
115 	} else {
116 		/* Compare requested vs received, should be same */
117 		if (memcmp(&fmt, &rsp, sizeof(rsp)) == 0) {
118 			dprintk(DBGLVL_API, "SET/PROBE Verified\n");
119 
120 			/* Ask the device to select the negotiated format */
121 			ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
122 				SET_CUR, SAA_COMMIT_CONTROL, sizeof(fmt), &fmt);
123 			if (ret != SAA_OK)
124 				printk(KERN_ERR "%s() commit error, ret = 0x%x\n",
125 					__func__, ret);
126 
127 			ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
128 				GET_CUR, SAA_COMMIT_CONTROL, sizeof(rsp), &rsp);
129 			if (ret != SAA_OK)
130 				printk(KERN_ERR "%s() GET commit error, ret = 0x%x\n",
131 					__func__, ret);
132 
133 			if (memcmp(&fmt, &rsp, sizeof(rsp)) != 0) {
134 				printk(KERN_ERR "%s() memcmp error, ret = 0x%x\n",
135 					__func__, ret);
136 			} else
137 				dprintk(DBGLVL_API, "SET/COMMIT Verified\n");
138 
139 			dprintk(DBGLVL_API, "rsp.bmHint = 0x%x\n", rsp.bmHint);
140 			dprintk(DBGLVL_API, "rsp.bFormatIndex = 0x%x\n",
141 				rsp.bFormatIndex);
142 			dprintk(DBGLVL_API, "rsp.bFrameIndex = 0x%x\n",
143 				rsp.bFrameIndex);
144 		} else
145 			printk(KERN_ERR "%s() compare failed\n", __func__);
146 	}
147 
148 	if (ret == SAA_OK)
149 		dprintk(DBGLVL_API, "%s(nr=%d) Success\n", __func__, port->nr);
150 
151 	return ret;
152 }
153 
saa7164_api_set_gop_size(struct saa7164_port * port)154 static int saa7164_api_set_gop_size(struct saa7164_port *port)
155 {
156 	struct saa7164_dev *dev = port->dev;
157 	struct tmComResEncVideoGopStructure gs;
158 	int ret;
159 
160 	dprintk(DBGLVL_ENC, "%s()\n", __func__);
161 
162 	gs.ucRefFrameDist = port->encoder_params.refdist;
163 	gs.ucGOPSize = port->encoder_params.gop_size;
164 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
165 		EU_VIDEO_GOP_STRUCTURE_CONTROL,
166 		sizeof(gs), &gs);
167 	if (ret != SAA_OK)
168 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
169 
170 	return ret;
171 }
172 
saa7164_api_set_encoder(struct saa7164_port * port)173 int saa7164_api_set_encoder(struct saa7164_port *port)
174 {
175 	struct saa7164_dev *dev = port->dev;
176 	struct tmComResEncVideoBitRate vb;
177 	struct tmComResEncAudioBitRate ab;
178 	int ret;
179 
180 	dprintk(DBGLVL_ENC, "%s() unitid=0x%x\n", __func__,
181 		port->hwcfg.sourceid);
182 
183 	if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS)
184 		port->encoder_profile = EU_PROFILE_PS_DVD;
185 	else
186 		port->encoder_profile = EU_PROFILE_TS_HQ;
187 
188 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
189 		EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile);
190 	if (ret != SAA_OK)
191 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
192 
193 	/* Resolution */
194 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
195 		EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile);
196 	if (ret != SAA_OK)
197 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
198 
199 	/* Establish video bitrates */
200 	if (port->encoder_params.bitrate_mode ==
201 		V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
202 		vb.ucVideoBitRateMode = EU_VIDEO_BIT_RATE_MODE_CONSTANT;
203 	else
204 		vb.ucVideoBitRateMode = EU_VIDEO_BIT_RATE_MODE_VARIABLE_PEAK;
205 	vb.dwVideoBitRate = port->encoder_params.bitrate;
206 	vb.dwVideoBitRatePeak = port->encoder_params.bitrate_peak;
207 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
208 		EU_VIDEO_BIT_RATE_CONTROL,
209 		sizeof(struct tmComResEncVideoBitRate),
210 		&vb);
211 	if (ret != SAA_OK)
212 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
213 
214 	/* Establish audio bitrates */
215 	ab.ucAudioBitRateMode = 0;
216 	ab.dwAudioBitRate = 384000;
217 	ab.dwAudioBitRatePeak = ab.dwAudioBitRate;
218 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
219 		EU_AUDIO_BIT_RATE_CONTROL,
220 		sizeof(struct tmComResEncAudioBitRate),
221 		&ab);
222 	if (ret != SAA_OK)
223 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__,
224 			ret);
225 
226 	saa7164_api_set_aspect_ratio(port);
227 	saa7164_api_set_gop_size(port);
228 
229 	return ret;
230 }
231 
saa7164_api_get_encoder(struct saa7164_port * port)232 int saa7164_api_get_encoder(struct saa7164_port *port)
233 {
234 	struct saa7164_dev *dev = port->dev;
235 	struct tmComResEncVideoBitRate v;
236 	struct tmComResEncAudioBitRate a;
237 	struct tmComResEncVideoInputAspectRatio ar;
238 	int ret;
239 
240 	dprintk(DBGLVL_ENC, "%s() unitid=0x%x\n", __func__,
241 		port->hwcfg.sourceid);
242 
243 	port->encoder_profile = 0;
244 	port->video_format = 0;
245 	port->video_resolution = 0;
246 	port->audio_format = 0;
247 
248 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
249 		EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile);
250 	if (ret != SAA_OK)
251 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
252 
253 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
254 		EU_VIDEO_RESOLUTION_CONTROL, sizeof(u8),
255 		&port->video_resolution);
256 	if (ret != SAA_OK)
257 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
258 
259 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
260 		EU_VIDEO_FORMAT_CONTROL, sizeof(u8), &port->video_format);
261 	if (ret != SAA_OK)
262 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
263 
264 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
265 		EU_VIDEO_BIT_RATE_CONTROL, sizeof(v), &v);
266 	if (ret != SAA_OK)
267 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
268 
269 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
270 		EU_AUDIO_FORMAT_CONTROL, sizeof(u8), &port->audio_format);
271 	if (ret != SAA_OK)
272 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
273 
274 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
275 		EU_AUDIO_BIT_RATE_CONTROL, sizeof(a), &a);
276 	if (ret != SAA_OK)
277 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
278 
279 	/* Aspect Ratio */
280 	ar.width = 0;
281 	ar.height = 0;
282 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
283 		EU_VIDEO_INPUT_ASPECT_CONTROL,
284 		sizeof(struct tmComResEncVideoInputAspectRatio), &ar);
285 	if (ret != SAA_OK)
286 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
287 
288 	dprintk(DBGLVL_ENC, "encoder_profile = %d\n", port->encoder_profile);
289 	dprintk(DBGLVL_ENC, "video_format    = %d\n", port->video_format);
290 	dprintk(DBGLVL_ENC, "audio_format    = %d\n", port->audio_format);
291 	dprintk(DBGLVL_ENC, "video_resolution= %d\n", port->video_resolution);
292 	dprintk(DBGLVL_ENC, "v.ucVideoBitRateMode = %d\n",
293 		v.ucVideoBitRateMode);
294 	dprintk(DBGLVL_ENC, "v.dwVideoBitRate     = %d\n",
295 		v.dwVideoBitRate);
296 	dprintk(DBGLVL_ENC, "v.dwVideoBitRatePeak = %d\n",
297 		v.dwVideoBitRatePeak);
298 	dprintk(DBGLVL_ENC, "a.ucVideoBitRateMode = %d\n",
299 		a.ucAudioBitRateMode);
300 	dprintk(DBGLVL_ENC, "a.dwVideoBitRate     = %d\n",
301 		a.dwAudioBitRate);
302 	dprintk(DBGLVL_ENC, "a.dwVideoBitRatePeak = %d\n",
303 		a.dwAudioBitRatePeak);
304 	dprintk(DBGLVL_ENC, "aspect.width / height = %d:%d\n",
305 		ar.width, ar.height);
306 
307 	return ret;
308 }
309 
saa7164_api_set_aspect_ratio(struct saa7164_port * port)310 int saa7164_api_set_aspect_ratio(struct saa7164_port *port)
311 {
312 	struct saa7164_dev *dev = port->dev;
313 	struct tmComResEncVideoInputAspectRatio ar;
314 	int ret;
315 
316 	dprintk(DBGLVL_ENC, "%s(%d)\n", __func__,
317 		port->encoder_params.ctl_aspect);
318 
319 	switch (port->encoder_params.ctl_aspect) {
320 	case V4L2_MPEG_VIDEO_ASPECT_1x1:
321 		ar.width = 1;
322 		ar.height = 1;
323 		break;
324 	case V4L2_MPEG_VIDEO_ASPECT_4x3:
325 		ar.width = 4;
326 		ar.height = 3;
327 		break;
328 	case V4L2_MPEG_VIDEO_ASPECT_16x9:
329 		ar.width = 16;
330 		ar.height = 9;
331 		break;
332 	case V4L2_MPEG_VIDEO_ASPECT_221x100:
333 		ar.width = 221;
334 		ar.height = 100;
335 		break;
336 	default:
337 		BUG();
338 	}
339 
340 	dprintk(DBGLVL_ENC, "%s(%d) now %d:%d\n", __func__,
341 		port->encoder_params.ctl_aspect,
342 		ar.width, ar.height);
343 
344 	/* Aspect Ratio */
345 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
346 		EU_VIDEO_INPUT_ASPECT_CONTROL,
347 		sizeof(struct tmComResEncVideoInputAspectRatio), &ar);
348 	if (ret != SAA_OK)
349 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
350 
351 	return ret;
352 }
353 
saa7164_api_set_usercontrol(struct saa7164_port * port,u8 ctl)354 int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl)
355 {
356 	struct saa7164_dev *dev = port->dev;
357 	int ret;
358 	u16 val;
359 
360 	if (ctl == PU_BRIGHTNESS_CONTROL)
361 		val = port->ctl_brightness;
362 	else
363 	if (ctl == PU_CONTRAST_CONTROL)
364 		val = port->ctl_contrast;
365 	else
366 	if (ctl == PU_HUE_CONTROL)
367 		val = port->ctl_hue;
368 	else
369 	if (ctl == PU_SATURATION_CONTROL)
370 		val = port->ctl_saturation;
371 	else
372 	if (ctl == PU_SHARPNESS_CONTROL)
373 		val = port->ctl_sharpness;
374 	else
375 		return -EINVAL;
376 
377 	dprintk(DBGLVL_ENC, "%s() unitid=0x%x ctl=%d, val=%d\n",
378 		__func__, port->encunit.vsourceid, ctl, val);
379 
380 	ret = saa7164_cmd_send(port->dev, port->encunit.vsourceid, SET_CUR,
381 		ctl, sizeof(u16), &val);
382 	if (ret != SAA_OK)
383 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
384 
385 	return ret;
386 }
387 
saa7164_api_get_usercontrol(struct saa7164_port * port,u8 ctl)388 int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl)
389 {
390 	struct saa7164_dev *dev = port->dev;
391 	int ret;
392 	u16 val;
393 
394 	ret = saa7164_cmd_send(port->dev, port->encunit.vsourceid, GET_CUR,
395 		ctl, sizeof(u16), &val);
396 	if (ret != SAA_OK) {
397 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
398 		return ret;
399 	}
400 
401 	dprintk(DBGLVL_ENC, "%s() ctl=%d, val=%d\n",
402 		__func__, ctl, val);
403 
404 	if (ctl == PU_BRIGHTNESS_CONTROL)
405 		port->ctl_brightness = val;
406 	else
407 	if (ctl == PU_CONTRAST_CONTROL)
408 		port->ctl_contrast = val;
409 	else
410 	if (ctl == PU_HUE_CONTROL)
411 		port->ctl_hue = val;
412 	else
413 	if (ctl == PU_SATURATION_CONTROL)
414 		port->ctl_saturation = val;
415 	else
416 	if (ctl == PU_SHARPNESS_CONTROL)
417 		port->ctl_sharpness = val;
418 
419 	return ret;
420 }
421 
saa7164_api_set_videomux(struct saa7164_port * port)422 int saa7164_api_set_videomux(struct saa7164_port *port)
423 {
424 	struct saa7164_dev *dev = port->dev;
425 	u8 inputs[] = { 1, 2, 2, 2, 5, 5, 5 };
426 	int ret;
427 
428 	dprintk(DBGLVL_ENC, "%s() v_mux=%d a_mux=%d\n",
429 		__func__, port->mux_input, inputs[port->mux_input - 1]);
430 
431 	/* Audio Mute */
432 	ret = saa7164_api_audio_mute(port, 1);
433 	if (ret != SAA_OK)
434 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
435 
436 	/* Video Mux */
437 	ret = saa7164_cmd_send(port->dev, port->vidproc.sourceid, SET_CUR,
438 		SU_INPUT_SELECT_CONTROL, sizeof(u8), &port->mux_input);
439 	if (ret != SAA_OK)
440 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
441 
442 	/* Audio Mux */
443 	ret = saa7164_cmd_send(port->dev, port->audfeat.sourceid, SET_CUR,
444 		SU_INPUT_SELECT_CONTROL, sizeof(u8),
445 		&inputs[port->mux_input - 1]);
446 	if (ret != SAA_OK)
447 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
448 
449 	/* Audio UnMute */
450 	ret = saa7164_api_audio_mute(port, 0);
451 	if (ret != SAA_OK)
452 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
453 
454 	return ret;
455 }
456 
saa7164_api_audio_mute(struct saa7164_port * port,int mute)457 int saa7164_api_audio_mute(struct saa7164_port *port, int mute)
458 {
459 	struct saa7164_dev *dev = port->dev;
460 	u8 v = mute;
461 	int ret;
462 
463 	dprintk(DBGLVL_API, "%s(%d)\n", __func__, mute);
464 
465 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR,
466 		MUTE_CONTROL, sizeof(u8), &v);
467 	if (ret != SAA_OK)
468 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
469 
470 	return ret;
471 }
472 
473 /* 0 = silence, 0xff = full */
saa7164_api_set_audio_volume(struct saa7164_port * port,s8 level)474 int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level)
475 {
476 	struct saa7164_dev *dev = port->dev;
477 	s16 v, min, max;
478 	int ret;
479 
480 	dprintk(DBGLVL_API, "%s(%d)\n", __func__, level);
481 
482 	/* Obtain the min/max ranges */
483 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_MIN,
484 		VOLUME_CONTROL, sizeof(u16), &min);
485 	if (ret != SAA_OK)
486 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
487 
488 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_MAX,
489 		VOLUME_CONTROL, sizeof(u16), &max);
490 	if (ret != SAA_OK)
491 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
492 
493 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_CUR,
494 		(0x01 << 8) | VOLUME_CONTROL, sizeof(u16), &v);
495 	if (ret != SAA_OK)
496 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
497 
498 	dprintk(DBGLVL_API, "%s(%d) min=%d max=%d cur=%d\n", __func__,
499 		level, min, max, v);
500 
501 	v = level;
502 	if (v < min)
503 		v = min;
504 	if (v > max)
505 		v = max;
506 
507 	/* Left */
508 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR,
509 		(0x01 << 8) | VOLUME_CONTROL, sizeof(s16), &v);
510 	if (ret != SAA_OK)
511 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
512 
513 	/* Right */
514 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR,
515 		(0x02 << 8) | VOLUME_CONTROL, sizeof(s16), &v);
516 	if (ret != SAA_OK)
517 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
518 
519 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_CUR,
520 		(0x01 << 8) | VOLUME_CONTROL, sizeof(u16), &v);
521 	if (ret != SAA_OK)
522 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
523 
524 	dprintk(DBGLVL_API, "%s(%d) min=%d max=%d cur=%d\n", __func__,
525 		level, min, max, v);
526 
527 	return ret;
528 }
529 
saa7164_api_set_audio_std(struct saa7164_port * port)530 int saa7164_api_set_audio_std(struct saa7164_port *port)
531 {
532 	struct saa7164_dev *dev = port->dev;
533 	struct tmComResAudioDefaults lvl;
534 	struct tmComResTunerStandard tvaudio;
535 	int ret;
536 
537 	dprintk(DBGLVL_API, "%s()\n", __func__);
538 
539 	/* Establish default levels */
540 	lvl.ucDecoderLevel = TMHW_LEV_ADJ_DECLEV_DEFAULT;
541 	lvl.ucDecoderFM_Level = TMHW_LEV_ADJ_DECLEV_DEFAULT;
542 	lvl.ucMonoLevel = TMHW_LEV_ADJ_MONOLEV_DEFAULT;
543 	lvl.ucNICAM_Level = TMHW_LEV_ADJ_NICLEV_DEFAULT;
544 	lvl.ucSAP_Level = TMHW_LEV_ADJ_SAPLEV_DEFAULT;
545 	lvl.ucADC_Level = TMHW_LEV_ADJ_ADCLEV_DEFAULT;
546 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR,
547 		AUDIO_DEFAULT_CONTROL, sizeof(struct tmComResAudioDefaults),
548 		&lvl);
549 	if (ret != SAA_OK)
550 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
551 
552 	/* Manually select the appropriate TV audio standard */
553 	if (port->encodernorm.id & V4L2_STD_NTSC) {
554 		tvaudio.std = TU_STANDARD_NTSC_M;
555 		tvaudio.country = 1;
556 	} else {
557 		tvaudio.std = TU_STANDARD_PAL_I;
558 		tvaudio.country = 44;
559 	}
560 
561 	ret = saa7164_cmd_send(port->dev, port->tunerunit.unitid, SET_CUR,
562 		TU_STANDARD_CONTROL, sizeof(tvaudio), &tvaudio);
563 	if (ret != SAA_OK)
564 		printk(KERN_ERR "%s() TU_STANDARD_CONTROL error, ret = 0x%x\n",
565 			__func__, ret);
566 	return ret;
567 }
568 
saa7164_api_set_audio_detection(struct saa7164_port * port,int autodetect)569 int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect)
570 {
571 	struct saa7164_dev *dev = port->dev;
572 	struct tmComResTunerStandardAuto p;
573 	int ret;
574 
575 	dprintk(DBGLVL_API, "%s(%d)\n", __func__, autodetect);
576 
577 	/* Disable TV Audio autodetect if not already set (buggy) */
578 	if (autodetect)
579 		p.mode = TU_STANDARD_AUTO;
580 	else
581 		p.mode = TU_STANDARD_MANUAL;
582 	ret = saa7164_cmd_send(port->dev, port->tunerunit.unitid, SET_CUR,
583 		TU_STANDARD_AUTO_CONTROL, sizeof(p), &p);
584 	if (ret != SAA_OK)
585 		printk(KERN_ERR
586 			"%s() TU_STANDARD_AUTO_CONTROL error, ret = 0x%x\n",
587 			__func__, ret);
588 
589 	return ret;
590 }
591 
saa7164_api_get_videomux(struct saa7164_port * port)592 int saa7164_api_get_videomux(struct saa7164_port *port)
593 {
594 	struct saa7164_dev *dev = port->dev;
595 	int ret;
596 
597 	ret = saa7164_cmd_send(port->dev, port->vidproc.sourceid, GET_CUR,
598 		SU_INPUT_SELECT_CONTROL, sizeof(u8), &port->mux_input);
599 	if (ret != SAA_OK)
600 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
601 
602 	dprintk(DBGLVL_ENC, "%s() v_mux=%d\n",
603 		__func__, port->mux_input);
604 
605 	return ret;
606 }
607 
saa7164_api_set_dif(struct saa7164_port * port,u8 reg,u8 val)608 static int saa7164_api_set_dif(struct saa7164_port *port, u8 reg, u8 val)
609 {
610 	struct saa7164_dev *dev = port->dev;
611 
612 	u16 len = 0;
613 	u8 buf[256];
614 	int ret;
615 	u8 mas;
616 
617 	dprintk(DBGLVL_API, "%s(nr=%d type=%d val=%x)\n", __func__,
618 		port->nr, port->type, val);
619 
620 	if (port->nr == 0)
621 		mas = 0xd0;
622 	else
623 		mas = 0xe0;
624 
625 	memset(buf, 0, sizeof(buf));
626 
627 	buf[0x00] = 0x04;
628 	buf[0x01] = 0x00;
629 	buf[0x02] = 0x00;
630 	buf[0x03] = 0x00;
631 
632 	buf[0x04] = 0x04;
633 	buf[0x05] = 0x00;
634 	buf[0x06] = 0x00;
635 	buf[0x07] = 0x00;
636 
637 	buf[0x08] = reg;
638 	buf[0x09] = 0x26;
639 	buf[0x0a] = mas;
640 	buf[0x0b] = 0xb0;
641 
642 	buf[0x0c] = val;
643 	buf[0x0d] = 0x00;
644 	buf[0x0e] = 0x00;
645 	buf[0x0f] = 0x00;
646 
647 	ret = saa7164_cmd_send(dev, port->ifunit.unitid, GET_LEN,
648 		EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
649 	if (ret != SAA_OK) {
650 		printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
651 		return -EIO;
652 	}
653 
654 	ret = saa7164_cmd_send(dev, port->ifunit.unitid, SET_CUR,
655 		EXU_REGISTER_ACCESS_CONTROL, len, &buf);
656 	if (ret != SAA_OK)
657 		printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
658 #if 0
659 	print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf, 16,
660 		       false);
661 #endif
662 	return ret == SAA_OK ? 0 : -EIO;
663 }
664 
665 /* Disable the IF block AGC controls */
saa7164_api_configure_dif(struct saa7164_port * port,u32 std)666 int saa7164_api_configure_dif(struct saa7164_port *port, u32 std)
667 {
668 	struct saa7164_dev *dev = port->dev;
669 	u8 agc_disable;
670 
671 	dprintk(DBGLVL_API, "%s(nr=%d, 0x%x)\n", __func__, port->nr, std);
672 
673 	if (std & V4L2_STD_NTSC) {
674 		dprintk(DBGLVL_API, " NTSC\n");
675 		saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */
676 		agc_disable = 0;
677 	} else if (std & V4L2_STD_PAL_I) {
678 		dprintk(DBGLVL_API, " PAL-I\n");
679 		saa7164_api_set_dif(port, 0x00, 0x08); /* Video Standard */
680 		agc_disable = 0;
681 	} else if (std & V4L2_STD_PAL_M) {
682 		dprintk(DBGLVL_API, " PAL-M\n");
683 		saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */
684 		agc_disable = 0;
685 	} else if (std & V4L2_STD_PAL_N) {
686 		dprintk(DBGLVL_API, " PAL-N\n");
687 		saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */
688 		agc_disable = 0;
689 	} else if (std & V4L2_STD_PAL_Nc) {
690 		dprintk(DBGLVL_API, " PAL-Nc\n");
691 		saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */
692 		agc_disable = 0;
693 	} else if (std & V4L2_STD_PAL_B) {
694 		dprintk(DBGLVL_API, " PAL-B\n");
695 		saa7164_api_set_dif(port, 0x00, 0x02); /* Video Standard */
696 		agc_disable = 0;
697 	} else if (std & V4L2_STD_PAL_DK) {
698 		dprintk(DBGLVL_API, " PAL-DK\n");
699 		saa7164_api_set_dif(port, 0x00, 0x10); /* Video Standard */
700 		agc_disable = 0;
701 	} else if (std & V4L2_STD_SECAM_L) {
702 		dprintk(DBGLVL_API, " SECAM-L\n");
703 		saa7164_api_set_dif(port, 0x00, 0x20); /* Video Standard */
704 		agc_disable = 0;
705 	} else {
706 		/* Unknown standard, assume DTV */
707 		dprintk(DBGLVL_API, " Unknown (assuming DTV)\n");
708 		/* Undefinded Video Standard */
709 		saa7164_api_set_dif(port, 0x00, 0x80);
710 		agc_disable = 1;
711 	}
712 
713 	saa7164_api_set_dif(port, 0x48, 0xa0); /* AGC Functions 1 */
714 	saa7164_api_set_dif(port, 0xc0, agc_disable); /* AGC Output Disable */
715 	saa7164_api_set_dif(port, 0x7c, 0x04); /* CVBS EQ */
716 	saa7164_api_set_dif(port, 0x04, 0x01); /* Active */
717 	msleep(100);
718 	saa7164_api_set_dif(port, 0x04, 0x00); /* Active (again) */
719 	msleep(100);
720 
721 	return 0;
722 }
723 
724 /* Ensure the dif is in the correct state for the operating mode
725  * (analog / dtv). We only configure the diff through the analog encoder
726  * so when we're in digital mode we need to find the appropriate encoder
727  * and use it to configure the DIF.
728  */
saa7164_api_initialize_dif(struct saa7164_port * port)729 int saa7164_api_initialize_dif(struct saa7164_port *port)
730 {
731 	struct saa7164_dev *dev = port->dev;
732 	struct saa7164_port *p = NULL;
733 	int ret = -EINVAL;
734 	u32 std = 0;
735 
736 	dprintk(DBGLVL_API, "%s(nr=%d type=%d)\n", __func__,
737 		port->nr, port->type);
738 
739 	if (port->type == SAA7164_MPEG_ENCODER) {
740 		/* Pick any analog standard to init the diff.
741 		 * we'll come back during encoder_init'
742 		 * and set the correct standard if required.
743 		 */
744 		std = V4L2_STD_NTSC;
745 	} else
746 	if (port->type == SAA7164_MPEG_DVB) {
747 		if (port->nr == SAA7164_PORT_TS1)
748 			p = &dev->ports[SAA7164_PORT_ENC1];
749 		else
750 			p = &dev->ports[SAA7164_PORT_ENC2];
751 	} else
752 	if (port->type == SAA7164_MPEG_VBI) {
753 		std = V4L2_STD_NTSC;
754 		if (port->nr == SAA7164_PORT_VBI1)
755 			p = &dev->ports[SAA7164_PORT_ENC1];
756 		else
757 			p = &dev->ports[SAA7164_PORT_ENC2];
758 	} else
759 		BUG();
760 
761 	if (p)
762 		ret = saa7164_api_configure_dif(p, std);
763 
764 	return ret;
765 }
766 
saa7164_api_transition_port(struct saa7164_port * port,u8 mode)767 int saa7164_api_transition_port(struct saa7164_port *port, u8 mode)
768 {
769 	struct saa7164_dev *dev = port->dev;
770 
771 	int ret;
772 
773 	dprintk(DBGLVL_API, "%s(nr=%d unitid=0x%x,%d)\n",
774 		__func__, port->nr, port->hwcfg.unitid, mode);
775 
776 	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, SET_CUR,
777 		SAA_STATE_CONTROL, sizeof(mode), &mode);
778 	if (ret != SAA_OK)
779 		printk(KERN_ERR "%s(portnr %d unitid 0x%x) error, ret = 0x%x\n",
780 			__func__, port->nr, port->hwcfg.unitid, ret);
781 
782 	return ret;
783 }
784 
saa7164_api_get_fw_version(struct saa7164_dev * dev,u32 * version)785 int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version)
786 {
787 	int ret;
788 
789 	ret = saa7164_cmd_send(dev, 0, GET_CUR,
790 		GET_FW_VERSION_CONTROL, sizeof(u32), version);
791 	if (ret != SAA_OK)
792 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
793 
794 	return ret;
795 }
796 
saa7164_api_read_eeprom(struct saa7164_dev * dev,u8 * buf,int buflen)797 int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen)
798 {
799 	u8 reg[] = { 0x0f, 0x00 };
800 
801 	if (buflen < 128)
802 		return -ENOMEM;
803 
804 	/* Assumption: Hauppauge eeprom is at 0xa0 on bus 0 */
805 	/* TODO: Pull the details from the boards struct */
806 	return saa7164_api_i2c_read(&dev->i2c_bus[0], 0xa0 >> 1, sizeof(reg),
807 		&reg[0], 128, buf);
808 }
809 
saa7164_api_configure_port_vbi(struct saa7164_dev * dev,struct saa7164_port * port)810 static int saa7164_api_configure_port_vbi(struct saa7164_dev *dev,
811 					  struct saa7164_port *port)
812 {
813 	struct tmComResVBIFormatDescrHeader *fmt = &port->vbi_fmt_ntsc;
814 
815 	dprintk(DBGLVL_API, "    bFormatIndex  = 0x%x\n", fmt->bFormatIndex);
816 	dprintk(DBGLVL_API, "    VideoStandard = 0x%x\n", fmt->VideoStandard);
817 	dprintk(DBGLVL_API, "    StartLine     = %d\n", fmt->StartLine);
818 	dprintk(DBGLVL_API, "    EndLine       = %d\n", fmt->EndLine);
819 	dprintk(DBGLVL_API, "    FieldRate     = %d\n", fmt->FieldRate);
820 	dprintk(DBGLVL_API, "    bNumLines     = %d\n", fmt->bNumLines);
821 
822 	/* Cache the hardware configuration in the port */
823 
824 	port->bufcounter = port->hwcfg.BARLocation;
825 	port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32));
826 	port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32));
827 	port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32));
828 	port->bufptr32l = port->hwcfg.BARLocation +
829 		(4 * sizeof(u32)) +
830 		(sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32);
831 	port->bufptr32h = port->hwcfg.BARLocation +
832 		(4 * sizeof(u32)) +
833 		(sizeof(u32) * port->hwcfg.buffercount);
834 	port->bufptr64 = port->hwcfg.BARLocation +
835 		(4 * sizeof(u32)) +
836 		(sizeof(u32) * port->hwcfg.buffercount);
837 	dprintk(DBGLVL_API, "   = port->hwcfg.BARLocation = 0x%x\n",
838 		port->hwcfg.BARLocation);
839 
840 	dprintk(DBGLVL_API, "   = VS_FORMAT_VBI (becomes dev->en[%d])\n",
841 		port->nr);
842 
843 	return 0;
844 }
845 
846 static int
saa7164_api_configure_port_mpeg2ts(struct saa7164_dev * dev,struct saa7164_port * port,struct tmComResTSFormatDescrHeader * tsfmt)847 saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev,
848 				   struct saa7164_port *port,
849 				   struct tmComResTSFormatDescrHeader *tsfmt)
850 {
851 	dprintk(DBGLVL_API, "    bFormatIndex = 0x%x\n", tsfmt->bFormatIndex);
852 	dprintk(DBGLVL_API, "    bDataOffset  = 0x%x\n", tsfmt->bDataOffset);
853 	dprintk(DBGLVL_API, "    bPacketLength= 0x%x\n", tsfmt->bPacketLength);
854 	dprintk(DBGLVL_API, "    bStrideLength= 0x%x\n", tsfmt->bStrideLength);
855 	dprintk(DBGLVL_API, "    bguid        = (....)\n");
856 
857 	/* Cache the hardware configuration in the port */
858 
859 	port->bufcounter = port->hwcfg.BARLocation;
860 	port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32));
861 	port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32));
862 	port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32));
863 	port->bufptr32l = port->hwcfg.BARLocation +
864 		(4 * sizeof(u32)) +
865 		(sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32);
866 	port->bufptr32h = port->hwcfg.BARLocation +
867 		(4 * sizeof(u32)) +
868 		(sizeof(u32) * port->hwcfg.buffercount);
869 	port->bufptr64 = port->hwcfg.BARLocation +
870 		(4 * sizeof(u32)) +
871 		(sizeof(u32) * port->hwcfg.buffercount);
872 	dprintk(DBGLVL_API, "   = port->hwcfg.BARLocation = 0x%x\n",
873 		port->hwcfg.BARLocation);
874 
875 	dprintk(DBGLVL_API, "   = VS_FORMAT_MPEGTS (becomes dev->ts[%d])\n",
876 		port->nr);
877 
878 	return 0;
879 }
880 
881 static int
saa7164_api_configure_port_mpeg2ps(struct saa7164_dev * dev,struct saa7164_port * port,struct tmComResPSFormatDescrHeader * fmt)882 saa7164_api_configure_port_mpeg2ps(struct saa7164_dev *dev,
883 				   struct saa7164_port *port,
884 				   struct tmComResPSFormatDescrHeader *fmt)
885 {
886 	dprintk(DBGLVL_API, "    bFormatIndex = 0x%x\n", fmt->bFormatIndex);
887 	dprintk(DBGLVL_API, "    wPacketLength= 0x%x\n", fmt->wPacketLength);
888 	dprintk(DBGLVL_API, "    wPackLength=   0x%x\n", fmt->wPackLength);
889 	dprintk(DBGLVL_API, "    bPackDataType= 0x%x\n", fmt->bPackDataType);
890 
891 	/* Cache the hardware configuration in the port */
892 	/* TODO: CHECK THIS in the port config */
893 	port->bufcounter = port->hwcfg.BARLocation;
894 	port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32));
895 	port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32));
896 	port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32));
897 	port->bufptr32l = port->hwcfg.BARLocation +
898 		(4 * sizeof(u32)) +
899 		(sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32);
900 	port->bufptr32h = port->hwcfg.BARLocation +
901 		(4 * sizeof(u32)) +
902 		(sizeof(u32) * port->hwcfg.buffercount);
903 	port->bufptr64 = port->hwcfg.BARLocation +
904 		(4 * sizeof(u32)) +
905 		(sizeof(u32) * port->hwcfg.buffercount);
906 	dprintk(DBGLVL_API, "   = port->hwcfg.BARLocation = 0x%x\n",
907 		port->hwcfg.BARLocation);
908 
909 	dprintk(DBGLVL_API, "   = VS_FORMAT_MPEGPS (becomes dev->enc[%d])\n",
910 		port->nr);
911 
912 	return 0;
913 }
914 
saa7164_api_dump_subdevs(struct saa7164_dev * dev,u8 * buf,int len)915 static int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len)
916 {
917 	struct saa7164_port *tsport = NULL;
918 	struct saa7164_port *encport = NULL;
919 	struct saa7164_port *vbiport = NULL;
920 	u32 idx, next_offset;
921 	int i;
922 	struct tmComResDescrHeader *hdr, *t;
923 	struct tmComResExtDevDescrHeader *exthdr;
924 	struct tmComResPathDescrHeader *pathhdr;
925 	struct tmComResAntTermDescrHeader *anttermhdr;
926 	struct tmComResTunerDescrHeader *tunerunithdr;
927 	struct tmComResDMATermDescrHeader *vcoutputtermhdr;
928 	struct tmComResTSFormatDescrHeader *tsfmt;
929 	struct tmComResPSFormatDescrHeader *psfmt;
930 	struct tmComResSelDescrHeader *psel;
931 	struct tmComResProcDescrHeader *pdh;
932 	struct tmComResAFeatureDescrHeader *afd;
933 	struct tmComResEncoderDescrHeader *edh;
934 	struct tmComResVBIFormatDescrHeader *vbifmt;
935 	u32 currpath = 0;
936 
937 	dprintk(DBGLVL_API,
938 		"%s(?,?,%d) sizeof(struct tmComResDescrHeader) = %d bytes\n",
939 		__func__, len, (u32)sizeof(struct tmComResDescrHeader));
940 
941 	for (idx = 0; idx < (len - sizeof(struct tmComResDescrHeader));) {
942 
943 		hdr = (struct tmComResDescrHeader *)(buf + idx);
944 
945 		if (hdr->type != CS_INTERFACE)
946 			return SAA_ERR_NOT_SUPPORTED;
947 
948 		dprintk(DBGLVL_API, "@ 0x%x =\n", idx);
949 		switch (hdr->subtype) {
950 		case GENERAL_REQUEST:
951 			dprintk(DBGLVL_API, " GENERAL_REQUEST\n");
952 			break;
953 		case VC_TUNER_PATH:
954 			dprintk(DBGLVL_API, " VC_TUNER_PATH\n");
955 			pathhdr = (struct tmComResPathDescrHeader *)(buf + idx);
956 			dprintk(DBGLVL_API, "  pathid = 0x%x\n",
957 				pathhdr->pathid);
958 			currpath = pathhdr->pathid;
959 			break;
960 		case VC_INPUT_TERMINAL:
961 			dprintk(DBGLVL_API, " VC_INPUT_TERMINAL\n");
962 			anttermhdr =
963 				(struct tmComResAntTermDescrHeader *)(buf + idx);
964 			dprintk(DBGLVL_API, "  terminalid   = 0x%x\n",
965 				anttermhdr->terminalid);
966 			dprintk(DBGLVL_API, "  terminaltype = 0x%x\n",
967 				anttermhdr->terminaltype);
968 			switch (anttermhdr->terminaltype) {
969 			case ITT_ANTENNA:
970 				dprintk(DBGLVL_API, "   = ITT_ANTENNA\n");
971 				break;
972 			case LINE_CONNECTOR:
973 				dprintk(DBGLVL_API, "   = LINE_CONNECTOR\n");
974 				break;
975 			case SPDIF_CONNECTOR:
976 				dprintk(DBGLVL_API, "   = SPDIF_CONNECTOR\n");
977 				break;
978 			case COMPOSITE_CONNECTOR:
979 				dprintk(DBGLVL_API,
980 					"   = COMPOSITE_CONNECTOR\n");
981 				break;
982 			case SVIDEO_CONNECTOR:
983 				dprintk(DBGLVL_API, "   = SVIDEO_CONNECTOR\n");
984 				break;
985 			case COMPONENT_CONNECTOR:
986 				dprintk(DBGLVL_API,
987 					"   = COMPONENT_CONNECTOR\n");
988 				break;
989 			case STANDARD_DMA:
990 				dprintk(DBGLVL_API, "   = STANDARD_DMA\n");
991 				break;
992 			default:
993 				dprintk(DBGLVL_API, "   = undefined (0x%x)\n",
994 					anttermhdr->terminaltype);
995 			}
996 			dprintk(DBGLVL_API, "  assocterminal= 0x%x\n",
997 				anttermhdr->assocterminal);
998 			dprintk(DBGLVL_API, "  iterminal    = 0x%x\n",
999 				anttermhdr->iterminal);
1000 			dprintk(DBGLVL_API, "  controlsize  = 0x%x\n",
1001 				anttermhdr->controlsize);
1002 			break;
1003 		case VC_OUTPUT_TERMINAL:
1004 			dprintk(DBGLVL_API, " VC_OUTPUT_TERMINAL\n");
1005 			vcoutputtermhdr =
1006 				(struct tmComResDMATermDescrHeader *)(buf + idx);
1007 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1008 				vcoutputtermhdr->unitid);
1009 			dprintk(DBGLVL_API, "  terminaltype = 0x%x\n",
1010 				vcoutputtermhdr->terminaltype);
1011 			switch (vcoutputtermhdr->terminaltype) {
1012 			case ITT_ANTENNA:
1013 				dprintk(DBGLVL_API, "   = ITT_ANTENNA\n");
1014 				break;
1015 			case LINE_CONNECTOR:
1016 				dprintk(DBGLVL_API, "   = LINE_CONNECTOR\n");
1017 				break;
1018 			case SPDIF_CONNECTOR:
1019 				dprintk(DBGLVL_API, "   = SPDIF_CONNECTOR\n");
1020 				break;
1021 			case COMPOSITE_CONNECTOR:
1022 				dprintk(DBGLVL_API,
1023 					"   = COMPOSITE_CONNECTOR\n");
1024 				break;
1025 			case SVIDEO_CONNECTOR:
1026 				dprintk(DBGLVL_API, "   = SVIDEO_CONNECTOR\n");
1027 				break;
1028 			case COMPONENT_CONNECTOR:
1029 				dprintk(DBGLVL_API,
1030 					"   = COMPONENT_CONNECTOR\n");
1031 				break;
1032 			case STANDARD_DMA:
1033 				dprintk(DBGLVL_API, "   = STANDARD_DMA\n");
1034 				break;
1035 			default:
1036 				dprintk(DBGLVL_API, "   = undefined (0x%x)\n",
1037 					vcoutputtermhdr->terminaltype);
1038 			}
1039 			dprintk(DBGLVL_API, "  assocterminal= 0x%x\n",
1040 				vcoutputtermhdr->assocterminal);
1041 			dprintk(DBGLVL_API, "  sourceid     = 0x%x\n",
1042 				vcoutputtermhdr->sourceid);
1043 			dprintk(DBGLVL_API, "  iterminal    = 0x%x\n",
1044 				vcoutputtermhdr->iterminal);
1045 			dprintk(DBGLVL_API, "  BARLocation  = 0x%x\n",
1046 				vcoutputtermhdr->BARLocation);
1047 			dprintk(DBGLVL_API, "  flags        = 0x%x\n",
1048 				vcoutputtermhdr->flags);
1049 			dprintk(DBGLVL_API, "  interruptid  = 0x%x\n",
1050 				vcoutputtermhdr->interruptid);
1051 			dprintk(DBGLVL_API, "  buffercount  = 0x%x\n",
1052 				vcoutputtermhdr->buffercount);
1053 			dprintk(DBGLVL_API, "  metadatasize = 0x%x\n",
1054 				vcoutputtermhdr->metadatasize);
1055 			dprintk(DBGLVL_API, "  controlsize  = 0x%x\n",
1056 				vcoutputtermhdr->controlsize);
1057 			dprintk(DBGLVL_API, "  numformats   = 0x%x\n",
1058 				vcoutputtermhdr->numformats);
1059 
1060 			next_offset = idx + (vcoutputtermhdr->len);
1061 			for (i = 0; i < vcoutputtermhdr->numformats; i++) {
1062 				t = (struct tmComResDescrHeader *)
1063 					(buf + next_offset);
1064 				switch (t->subtype) {
1065 				case VS_FORMAT_MPEG2TS:
1066 					tsfmt =
1067 					(struct tmComResTSFormatDescrHeader *)t;
1068 					if (currpath == 1)
1069 						tsport = &dev->ports[SAA7164_PORT_TS1];
1070 					else
1071 						tsport = &dev->ports[SAA7164_PORT_TS2];
1072 					memcpy(&tsport->hwcfg, vcoutputtermhdr,
1073 						sizeof(*vcoutputtermhdr));
1074 					saa7164_api_configure_port_mpeg2ts(dev,
1075 						tsport, tsfmt);
1076 					break;
1077 				case VS_FORMAT_MPEG2PS:
1078 					psfmt =
1079 					(struct tmComResPSFormatDescrHeader *)t;
1080 					if (currpath == 1)
1081 						encport = &dev->ports[SAA7164_PORT_ENC1];
1082 					else
1083 						encport = &dev->ports[SAA7164_PORT_ENC2];
1084 					memcpy(&encport->hwcfg, vcoutputtermhdr,
1085 						sizeof(*vcoutputtermhdr));
1086 					saa7164_api_configure_port_mpeg2ps(dev,
1087 						encport, psfmt);
1088 					break;
1089 				case VS_FORMAT_VBI:
1090 					vbifmt =
1091 					(struct tmComResVBIFormatDescrHeader *)t;
1092 					if (currpath == 1)
1093 						vbiport = &dev->ports[SAA7164_PORT_VBI1];
1094 					else
1095 						vbiport = &dev->ports[SAA7164_PORT_VBI2];
1096 					memcpy(&vbiport->hwcfg, vcoutputtermhdr,
1097 						sizeof(*vcoutputtermhdr));
1098 					memcpy(&vbiport->vbi_fmt_ntsc, vbifmt,
1099 						sizeof(*vbifmt));
1100 					saa7164_api_configure_port_vbi(dev,
1101 						vbiport);
1102 					break;
1103 				case VS_FORMAT_RDS:
1104 					dprintk(DBGLVL_API,
1105 						"   = VS_FORMAT_RDS\n");
1106 					break;
1107 				case VS_FORMAT_UNCOMPRESSED:
1108 					dprintk(DBGLVL_API,
1109 					"   = VS_FORMAT_UNCOMPRESSED\n");
1110 					break;
1111 				case VS_FORMAT_TYPE:
1112 					dprintk(DBGLVL_API,
1113 						"   = VS_FORMAT_TYPE\n");
1114 					break;
1115 				default:
1116 					dprintk(DBGLVL_API,
1117 						"   = undefined (0x%x)\n",
1118 						t->subtype);
1119 				}
1120 				next_offset += t->len;
1121 			}
1122 
1123 			break;
1124 		case TUNER_UNIT:
1125 			dprintk(DBGLVL_API, " TUNER_UNIT\n");
1126 			tunerunithdr =
1127 				(struct tmComResTunerDescrHeader *)(buf + idx);
1128 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1129 				tunerunithdr->unitid);
1130 			dprintk(DBGLVL_API, "  sourceid = 0x%x\n",
1131 				tunerunithdr->sourceid);
1132 			dprintk(DBGLVL_API, "  iunit = 0x%x\n",
1133 				tunerunithdr->iunit);
1134 			dprintk(DBGLVL_API, "  tuningstandards = 0x%x\n",
1135 				tunerunithdr->tuningstandards);
1136 			dprintk(DBGLVL_API, "  controlsize = 0x%x\n",
1137 				tunerunithdr->controlsize);
1138 			dprintk(DBGLVL_API, "  controls = 0x%x\n",
1139 				tunerunithdr->controls);
1140 
1141 			if (tunerunithdr->unitid == tunerunithdr->iunit) {
1142 				if (currpath == 1)
1143 					encport = &dev->ports[SAA7164_PORT_ENC1];
1144 				else
1145 					encport = &dev->ports[SAA7164_PORT_ENC2];
1146 				memcpy(&encport->tunerunit, tunerunithdr,
1147 					sizeof(struct tmComResTunerDescrHeader));
1148 				dprintk(DBGLVL_API,
1149 					"  (becomes dev->enc[%d] tuner)\n",
1150 					encport->nr);
1151 			}
1152 			break;
1153 		case VC_SELECTOR_UNIT:
1154 			psel = (struct tmComResSelDescrHeader *)(buf + idx);
1155 			dprintk(DBGLVL_API, " VC_SELECTOR_UNIT\n");
1156 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1157 				psel->unitid);
1158 			dprintk(DBGLVL_API, "  nrinpins = 0x%x\n",
1159 				psel->nrinpins);
1160 			dprintk(DBGLVL_API, "  sourceid = 0x%x\n",
1161 				psel->sourceid);
1162 			break;
1163 		case VC_PROCESSING_UNIT:
1164 			pdh = (struct tmComResProcDescrHeader *)(buf + idx);
1165 			dprintk(DBGLVL_API, " VC_PROCESSING_UNIT\n");
1166 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1167 				pdh->unitid);
1168 			dprintk(DBGLVL_API, "  sourceid = 0x%x\n",
1169 				pdh->sourceid);
1170 			dprintk(DBGLVL_API, "  controlsize = 0x%x\n",
1171 				pdh->controlsize);
1172 			if (pdh->controlsize == 0x04) {
1173 				if (currpath == 1)
1174 					encport = &dev->ports[SAA7164_PORT_ENC1];
1175 				else
1176 					encport = &dev->ports[SAA7164_PORT_ENC2];
1177 				memcpy(&encport->vidproc, pdh,
1178 					sizeof(struct tmComResProcDescrHeader));
1179 				dprintk(DBGLVL_API, "  (becomes dev->enc[%d])\n",
1180 					encport->nr);
1181 			}
1182 			break;
1183 		case FEATURE_UNIT:
1184 			afd = (struct tmComResAFeatureDescrHeader *)(buf + idx);
1185 			dprintk(DBGLVL_API, " FEATURE_UNIT\n");
1186 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1187 				afd->unitid);
1188 			dprintk(DBGLVL_API, "  sourceid = 0x%x\n",
1189 				afd->sourceid);
1190 			dprintk(DBGLVL_API, "  controlsize = 0x%x\n",
1191 				afd->controlsize);
1192 			if (currpath == 1)
1193 				encport = &dev->ports[SAA7164_PORT_ENC1];
1194 			else
1195 				encport = &dev->ports[SAA7164_PORT_ENC2];
1196 			memcpy(&encport->audfeat, afd,
1197 				sizeof(struct tmComResAFeatureDescrHeader));
1198 			dprintk(DBGLVL_API, "  (becomes dev->enc[%d])\n",
1199 				encport->nr);
1200 			break;
1201 		case ENCODER_UNIT:
1202 			edh = (struct tmComResEncoderDescrHeader *)(buf + idx);
1203 			dprintk(DBGLVL_API, " ENCODER_UNIT\n");
1204 			dprintk(DBGLVL_API, "  subtype = 0x%x\n", edh->subtype);
1205 			dprintk(DBGLVL_API, "  unitid = 0x%x\n", edh->unitid);
1206 			dprintk(DBGLVL_API, "  vsourceid = 0x%x\n",
1207 			edh->vsourceid);
1208 			dprintk(DBGLVL_API, "  asourceid = 0x%x\n",
1209 				edh->asourceid);
1210 			dprintk(DBGLVL_API, "  iunit = 0x%x\n", edh->iunit);
1211 			if (edh->iunit == edh->unitid) {
1212 				if (currpath == 1)
1213 					encport = &dev->ports[SAA7164_PORT_ENC1];
1214 				else
1215 					encport = &dev->ports[SAA7164_PORT_ENC2];
1216 				memcpy(&encport->encunit, edh,
1217 					sizeof(struct tmComResEncoderDescrHeader));
1218 				dprintk(DBGLVL_API,
1219 					"  (becomes dev->enc[%d])\n",
1220 					encport->nr);
1221 			}
1222 			break;
1223 		case EXTENSION_UNIT:
1224 			dprintk(DBGLVL_API, " EXTENSION_UNIT\n");
1225 			exthdr = (struct tmComResExtDevDescrHeader *)(buf + idx);
1226 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1227 				exthdr->unitid);
1228 			dprintk(DBGLVL_API, "  deviceid = 0x%x\n",
1229 				exthdr->deviceid);
1230 			dprintk(DBGLVL_API, "  devicetype = 0x%x\n",
1231 				exthdr->devicetype);
1232 			if (exthdr->devicetype & 0x1)
1233 				dprintk(DBGLVL_API, "   = Decoder Device\n");
1234 			if (exthdr->devicetype & 0x2)
1235 				dprintk(DBGLVL_API, "   = GPIO Source\n");
1236 			if (exthdr->devicetype & 0x4)
1237 				dprintk(DBGLVL_API, "   = Video Decoder\n");
1238 			if (exthdr->devicetype & 0x8)
1239 				dprintk(DBGLVL_API, "   = Audio Decoder\n");
1240 			if (exthdr->devicetype & 0x20)
1241 				dprintk(DBGLVL_API, "   = Crossbar\n");
1242 			if (exthdr->devicetype & 0x40)
1243 				dprintk(DBGLVL_API, "   = Tuner\n");
1244 			if (exthdr->devicetype & 0x80)
1245 				dprintk(DBGLVL_API, "   = IF PLL\n");
1246 			if (exthdr->devicetype & 0x100)
1247 				dprintk(DBGLVL_API, "   = Demodulator\n");
1248 			if (exthdr->devicetype & 0x200)
1249 				dprintk(DBGLVL_API, "   = RDS Decoder\n");
1250 			if (exthdr->devicetype & 0x400)
1251 				dprintk(DBGLVL_API, "   = Encoder\n");
1252 			if (exthdr->devicetype & 0x800)
1253 				dprintk(DBGLVL_API, "   = IR Decoder\n");
1254 			if (exthdr->devicetype & 0x1000)
1255 				dprintk(DBGLVL_API, "   = EEPROM\n");
1256 			if (exthdr->devicetype & 0x2000)
1257 				dprintk(DBGLVL_API,
1258 					"   = VBI Decoder\n");
1259 			if (exthdr->devicetype & 0x10000)
1260 				dprintk(DBGLVL_API,
1261 					"   = Streaming Device\n");
1262 			if (exthdr->devicetype & 0x20000)
1263 				dprintk(DBGLVL_API,
1264 					"   = DRM Device\n");
1265 			if (exthdr->devicetype & 0x40000000)
1266 				dprintk(DBGLVL_API,
1267 					"   = Generic Device\n");
1268 			if (exthdr->devicetype & 0x80000000)
1269 				dprintk(DBGLVL_API,
1270 					"   = Config Space Device\n");
1271 			dprintk(DBGLVL_API, "  numgpiopins = 0x%x\n",
1272 				exthdr->numgpiopins);
1273 			dprintk(DBGLVL_API, "  numgpiogroups = 0x%x\n",
1274 				exthdr->numgpiogroups);
1275 			dprintk(DBGLVL_API, "  controlsize = 0x%x\n",
1276 				exthdr->controlsize);
1277 			if (exthdr->devicetype & 0x80) {
1278 				if (currpath == 1)
1279 					encport = &dev->ports[SAA7164_PORT_ENC1];
1280 				else
1281 					encport = &dev->ports[SAA7164_PORT_ENC2];
1282 				memcpy(&encport->ifunit, exthdr,
1283 					sizeof(struct tmComResExtDevDescrHeader));
1284 				dprintk(DBGLVL_API,
1285 					"  (becomes dev->enc[%d])\n",
1286 					encport->nr);
1287 			}
1288 			break;
1289 		case PVC_INFRARED_UNIT:
1290 			dprintk(DBGLVL_API, " PVC_INFRARED_UNIT\n");
1291 			break;
1292 		case DRM_UNIT:
1293 			dprintk(DBGLVL_API, " DRM_UNIT\n");
1294 			break;
1295 		default:
1296 			dprintk(DBGLVL_API, "default %d\n", hdr->subtype);
1297 		}
1298 
1299 		dprintk(DBGLVL_API, " 1.%x\n", hdr->len);
1300 		dprintk(DBGLVL_API, " 2.%x\n", hdr->type);
1301 		dprintk(DBGLVL_API, " 3.%x\n", hdr->subtype);
1302 		dprintk(DBGLVL_API, " 4.%x\n", hdr->unitid);
1303 
1304 		idx += hdr->len;
1305 	}
1306 
1307 	return 0;
1308 }
1309 
saa7164_api_enum_subdevs(struct saa7164_dev * dev)1310 int saa7164_api_enum_subdevs(struct saa7164_dev *dev)
1311 {
1312 	int ret;
1313 	u32 buflen = 0;
1314 	u8 *buf;
1315 
1316 	dprintk(DBGLVL_API, "%s()\n", __func__);
1317 
1318 	/* Get the total descriptor length */
1319 	ret = saa7164_cmd_send(dev, 0, GET_LEN,
1320 		GET_DESCRIPTORS_CONTROL, sizeof(buflen), &buflen);
1321 	if (ret != SAA_OK)
1322 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
1323 
1324 	dprintk(DBGLVL_API, "%s() total descriptor size = %d bytes.\n",
1325 		__func__, buflen);
1326 
1327 	/* Allocate enough storage for all of the descs */
1328 	buf = kzalloc(buflen, GFP_KERNEL);
1329 	if (!buf)
1330 		return SAA_ERR_NO_RESOURCES;
1331 
1332 	/* Retrieve them */
1333 	ret = saa7164_cmd_send(dev, 0, GET_CUR,
1334 		GET_DESCRIPTORS_CONTROL, buflen, buf);
1335 	if (ret != SAA_OK) {
1336 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
1337 		goto out;
1338 	}
1339 
1340 	if (saa_debug & DBGLVL_API)
1341 		print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf,
1342 			       buflen & ~15, false);
1343 
1344 	saa7164_api_dump_subdevs(dev, buf, buflen);
1345 
1346 out:
1347 	kfree(buf);
1348 	return ret;
1349 }
1350 
saa7164_api_i2c_read(struct saa7164_i2c * bus,u8 addr,u32 reglen,u8 * reg,u32 datalen,u8 * data)1351 int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
1352 	u32 datalen, u8 *data)
1353 {
1354 	struct saa7164_dev *dev = bus->dev;
1355 	u16 len = 0;
1356 	int unitid;
1357 	u8 buf[256];
1358 	int ret;
1359 
1360 	dprintk(DBGLVL_API, "%s() addr=%x reglen=%d datalen=%d\n",
1361 		__func__, addr, reglen, datalen);
1362 
1363 	if (reglen > 4)
1364 		return -EIO;
1365 
1366 	/* Prepare the send buffer */
1367 	/* Bytes 00-03 source register length
1368 	 *       04-07 source bytes to read
1369 	 *       08... register address
1370 	 */
1371 	memset(buf, 0, sizeof(buf));
1372 	memcpy((buf + 2 * sizeof(u32) + 0), reg, reglen);
1373 	*((u32 *)(buf + 0 * sizeof(u32))) = reglen;
1374 	*((u32 *)(buf + 1 * sizeof(u32))) = datalen;
1375 
1376 	unitid = saa7164_i2caddr_to_unitid(bus, addr);
1377 	if (unitid < 0) {
1378 		printk(KERN_ERR
1379 			"%s() error, cannot translate regaddr 0x%x to unitid\n",
1380 			__func__, addr);
1381 		return -EIO;
1382 	}
1383 
1384 	ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN,
1385 		EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
1386 	if (ret != SAA_OK) {
1387 		printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
1388 		return -EIO;
1389 	}
1390 
1391 	dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len);
1392 
1393 	if (saa_debug & DBGLVL_I2C)
1394 		print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf,
1395 			       32, false);
1396 
1397 	ret = saa7164_cmd_send(bus->dev, unitid, GET_CUR,
1398 		EXU_REGISTER_ACCESS_CONTROL, len, &buf);
1399 	if (ret != SAA_OK)
1400 		printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
1401 	else {
1402 		if (saa_debug & DBGLVL_I2C)
1403 			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
1404 				       buf, sizeof(buf), false);
1405 		memcpy(data, (buf + 2 * sizeof(u32) + reglen), datalen);
1406 	}
1407 
1408 	return ret == SAA_OK ? 0 : -EIO;
1409 }
1410 
1411 /* For a given 8 bit i2c address device, write the buffer */
saa7164_api_i2c_write(struct saa7164_i2c * bus,u8 addr,u32 datalen,u8 * data)1412 int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen,
1413 	u8 *data)
1414 {
1415 	struct saa7164_dev *dev = bus->dev;
1416 	u16 len = 0;
1417 	int unitid;
1418 	int reglen;
1419 	u8 buf[256];
1420 	int ret;
1421 
1422 	dprintk(DBGLVL_API, "%s() addr=0x%2x len=0x%x\n",
1423 		__func__, addr, datalen);
1424 
1425 	if ((datalen == 0) || (datalen > 232))
1426 		return -EIO;
1427 
1428 	memset(buf, 0, sizeof(buf));
1429 
1430 	unitid = saa7164_i2caddr_to_unitid(bus, addr);
1431 	if (unitid < 0) {
1432 		printk(KERN_ERR
1433 			"%s() error, cannot translate regaddr 0x%x to unitid\n",
1434 			__func__, addr);
1435 		return -EIO;
1436 	}
1437 
1438 	reglen = saa7164_i2caddr_to_reglen(bus, addr);
1439 	if (reglen < 0) {
1440 		printk(KERN_ERR
1441 			"%s() error, cannot translate regaddr to reglen\n",
1442 			__func__);
1443 		return -EIO;
1444 	}
1445 
1446 	ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN,
1447 		EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
1448 	if (ret != SAA_OK) {
1449 		printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
1450 		return -EIO;
1451 	}
1452 
1453 	dprintk(DBGLVL_API, "%s() len = %d bytes unitid=0x%x\n", __func__,
1454 		len, unitid);
1455 
1456 	/* Prepare the send buffer */
1457 	/* Bytes 00-03 dest register length
1458 	 *       04-07 dest bytes to write
1459 	 *       08... register address
1460 	 */
1461 	*((u32 *)(buf + 0 * sizeof(u32))) = reglen;
1462 	*((u32 *)(buf + 1 * sizeof(u32))) = datalen - reglen;
1463 	memcpy((buf + 2 * sizeof(u32)), data, datalen);
1464 
1465 	if (saa_debug & DBGLVL_I2C)
1466 		print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
1467 			       buf, sizeof(buf), false);
1468 
1469 	ret = saa7164_cmd_send(bus->dev, unitid, SET_CUR,
1470 		EXU_REGISTER_ACCESS_CONTROL, len, &buf);
1471 	if (ret != SAA_OK)
1472 		printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
1473 
1474 	return ret == SAA_OK ? 0 : -EIO;
1475 }
1476 
saa7164_api_modify_gpio(struct saa7164_dev * dev,u8 unitid,u8 pin,u8 state)1477 static int saa7164_api_modify_gpio(struct saa7164_dev *dev, u8 unitid,
1478 	u8 pin, u8 state)
1479 {
1480 	int ret;
1481 	struct tmComResGPIO t;
1482 
1483 	dprintk(DBGLVL_API, "%s(0x%x, %d, %d)\n",
1484 		__func__, unitid, pin, state);
1485 
1486 	if ((pin > 7) || (state > 2))
1487 		return SAA_ERR_BAD_PARAMETER;
1488 
1489 	t.pin = pin;
1490 	t.state = state;
1491 
1492 	ret = saa7164_cmd_send(dev, unitid, SET_CUR,
1493 		EXU_GPIO_CONTROL, sizeof(t), &t);
1494 	if (ret != SAA_OK)
1495 		printk(KERN_ERR "%s() error, ret = 0x%x\n",
1496 			__func__, ret);
1497 
1498 	return ret;
1499 }
1500 
saa7164_api_set_gpiobit(struct saa7164_dev * dev,u8 unitid,u8 pin)1501 int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid,
1502 	u8 pin)
1503 {
1504 	return saa7164_api_modify_gpio(dev, unitid, pin, 1);
1505 }
1506 
saa7164_api_clear_gpiobit(struct saa7164_dev * dev,u8 unitid,u8 pin)1507 int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid,
1508 	u8 pin)
1509 {
1510 	return saa7164_api_modify_gpio(dev, unitid, pin, 0);
1511 }
1512 
1513