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1 /*
2  *  Driver for the NXP SAA7164 PCIe bridge
3  *
4  *  Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20  */
21 
22 #include <linux/wait.h>
23 #include <linux/slab.h>
24 
25 #include "saa7164.h"
26 
saa7164_api_get_load_info(struct saa7164_dev * dev,struct tmFwInfoStruct * i)27 int saa7164_api_get_load_info(struct saa7164_dev *dev, struct tmFwInfoStruct *i)
28 {
29 	int ret;
30 
31 	if (!(saa_debug & DBGLVL_CPU))
32 		return 0;
33 
34 	dprintk(DBGLVL_API, "%s()\n", __func__);
35 
36 	i->deviceinst = 0;
37 	i->devicespec = 0;
38 	i->mode = 0;
39 	i->status = 0;
40 
41 	ret = saa7164_cmd_send(dev, 0, GET_CUR,
42 		GET_FW_STATUS_CONTROL, sizeof(struct tmFwInfoStruct), i);
43 	if (ret != SAA_OK)
44 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
45 
46 	printk(KERN_INFO "saa7164[%d]-CPU: %d percent", dev->nr, i->CPULoad);
47 
48 	return ret;
49 }
50 
saa7164_api_collect_debug(struct saa7164_dev * dev)51 int saa7164_api_collect_debug(struct saa7164_dev *dev)
52 {
53 	struct tmComResDebugGetData d;
54 	u8 more = 255;
55 	int ret;
56 
57 	dprintk(DBGLVL_API, "%s()\n", __func__);
58 
59 	while (more--) {
60 
61 		memset(&d, 0, sizeof(d));
62 
63 		ret = saa7164_cmd_send(dev, 0, GET_CUR,
64 			GET_DEBUG_DATA_CONTROL, sizeof(d), &d);
65 		if (ret != SAA_OK)
66 			printk(KERN_ERR "%s() error, ret = 0x%x\n",
67 				__func__, ret);
68 
69 		if (d.dwResult != SAA_OK)
70 			break;
71 
72 		printk(KERN_INFO "saa7164[%d]-FWMSG: %s", dev->nr,
73 			d.ucDebugData);
74 	}
75 
76 	return 0;
77 }
78 
saa7164_api_set_debug(struct saa7164_dev * dev,u8 level)79 int saa7164_api_set_debug(struct saa7164_dev *dev, u8 level)
80 {
81 	struct tmComResDebugSetLevel lvl;
82 	int ret;
83 
84 	dprintk(DBGLVL_API, "%s(level=%d)\n", __func__, level);
85 
86 	/* Retrieve current state */
87 	ret = saa7164_cmd_send(dev, 0, GET_CUR,
88 		SET_DEBUG_LEVEL_CONTROL, sizeof(lvl), &lvl);
89 	if (ret != SAA_OK)
90 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
91 
92 	dprintk(DBGLVL_API, "%s() Was %d\n", __func__, lvl.dwDebugLevel);
93 
94 	lvl.dwDebugLevel = level;
95 
96 	/* set new state */
97 	ret = saa7164_cmd_send(dev, 0, SET_CUR,
98 		SET_DEBUG_LEVEL_CONTROL, sizeof(lvl), &lvl);
99 	if (ret != SAA_OK)
100 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
101 
102 	return ret;
103 }
104 
saa7164_api_set_vbi_format(struct saa7164_port * port)105 int saa7164_api_set_vbi_format(struct saa7164_port *port)
106 {
107 	struct saa7164_dev *dev = port->dev;
108 	struct tmComResProbeCommit fmt, rsp;
109 	int ret;
110 
111 	dprintk(DBGLVL_API, "%s(nr=%d, unitid=0x%x)\n", __func__,
112 		port->nr, port->hwcfg.unitid);
113 
114 	fmt.bmHint = 0;
115 	fmt.bFormatIndex = 1;
116 	fmt.bFrameIndex = 1;
117 
118 	/* Probe, see if it can support this format */
119 	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
120 		SET_CUR, SAA_PROBE_CONTROL, sizeof(fmt), &fmt);
121 	if (ret != SAA_OK)
122 		printk(KERN_ERR "%s() set error, ret = 0x%x\n", __func__, ret);
123 
124 	/* See of the format change was successful */
125 	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
126 		GET_CUR, SAA_PROBE_CONTROL, sizeof(rsp), &rsp);
127 	if (ret != SAA_OK) {
128 		printk(KERN_ERR "%s() get error, ret = 0x%x\n", __func__, ret);
129 	} else {
130 		/* Compare requested vs received, should be same */
131 		if (memcmp(&fmt, &rsp, sizeof(rsp)) == 0) {
132 			dprintk(DBGLVL_API, "SET/PROBE Verified\n");
133 
134 			/* Ask the device to select the negotiated format */
135 			ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
136 				SET_CUR, SAA_COMMIT_CONTROL, sizeof(fmt), &fmt);
137 			if (ret != SAA_OK)
138 				printk(KERN_ERR "%s() commit error, ret = 0x%x\n",
139 					__func__, ret);
140 
141 			ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid,
142 				GET_CUR, SAA_COMMIT_CONTROL, sizeof(rsp), &rsp);
143 			if (ret != SAA_OK)
144 				printk(KERN_ERR "%s() GET commit error, ret = 0x%x\n",
145 					__func__, ret);
146 
147 			if (memcmp(&fmt, &rsp, sizeof(rsp)) != 0) {
148 				printk(KERN_ERR "%s() memcmp error, ret = 0x%x\n",
149 					__func__, ret);
150 			} else
151 				dprintk(DBGLVL_API, "SET/COMMIT Verified\n");
152 
153 			dprintk(DBGLVL_API, "rsp.bmHint = 0x%x\n", rsp.bmHint);
154 			dprintk(DBGLVL_API, "rsp.bFormatIndex = 0x%x\n",
155 				rsp.bFormatIndex);
156 			dprintk(DBGLVL_API, "rsp.bFrameIndex = 0x%x\n",
157 				rsp.bFrameIndex);
158 		} else
159 			printk(KERN_ERR "%s() compare failed\n", __func__);
160 	}
161 
162 	if (ret == SAA_OK)
163 		dprintk(DBGLVL_API, "%s(nr=%d) Success\n", __func__, port->nr);
164 
165 	return ret;
166 }
167 
saa7164_api_set_gop_size(struct saa7164_port * port)168 static int saa7164_api_set_gop_size(struct saa7164_port *port)
169 {
170 	struct saa7164_dev *dev = port->dev;
171 	struct tmComResEncVideoGopStructure gs;
172 	int ret;
173 
174 	dprintk(DBGLVL_ENC, "%s()\n", __func__);
175 
176 	gs.ucRefFrameDist = port->encoder_params.refdist;
177 	gs.ucGOPSize = port->encoder_params.gop_size;
178 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
179 		EU_VIDEO_GOP_STRUCTURE_CONTROL,
180 		sizeof(gs), &gs);
181 	if (ret != SAA_OK)
182 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
183 
184 	return ret;
185 }
186 
saa7164_api_set_encoder(struct saa7164_port * port)187 int saa7164_api_set_encoder(struct saa7164_port *port)
188 {
189 	struct saa7164_dev *dev = port->dev;
190 	struct tmComResEncVideoBitRate vb;
191 	struct tmComResEncAudioBitRate ab;
192 	int ret;
193 
194 	dprintk(DBGLVL_ENC, "%s() unitid=0x%x\n", __func__,
195 		port->hwcfg.sourceid);
196 
197 	if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS)
198 		port->encoder_profile = EU_PROFILE_PS_DVD;
199 	else
200 		port->encoder_profile = EU_PROFILE_TS_HQ;
201 
202 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
203 		EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile);
204 	if (ret != SAA_OK)
205 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
206 
207 	/* Resolution */
208 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
209 		EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile);
210 	if (ret != SAA_OK)
211 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
212 
213 	/* Establish video bitrates */
214 	if (port->encoder_params.bitrate_mode ==
215 		V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
216 		vb.ucVideoBitRateMode = EU_VIDEO_BIT_RATE_MODE_CONSTANT;
217 	else
218 		vb.ucVideoBitRateMode = EU_VIDEO_BIT_RATE_MODE_VARIABLE_PEAK;
219 	vb.dwVideoBitRate = port->encoder_params.bitrate;
220 	vb.dwVideoBitRatePeak = port->encoder_params.bitrate_peak;
221 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
222 		EU_VIDEO_BIT_RATE_CONTROL,
223 		sizeof(struct tmComResEncVideoBitRate),
224 		&vb);
225 	if (ret != SAA_OK)
226 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
227 
228 	/* Establish audio bitrates */
229 	ab.ucAudioBitRateMode = 0;
230 	ab.dwAudioBitRate = 384000;
231 	ab.dwAudioBitRatePeak = ab.dwAudioBitRate;
232 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
233 		EU_AUDIO_BIT_RATE_CONTROL,
234 		sizeof(struct tmComResEncAudioBitRate),
235 		&ab);
236 	if (ret != SAA_OK)
237 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__,
238 			ret);
239 
240 	saa7164_api_set_aspect_ratio(port);
241 	saa7164_api_set_gop_size(port);
242 
243 	return ret;
244 }
245 
saa7164_api_get_encoder(struct saa7164_port * port)246 int saa7164_api_get_encoder(struct saa7164_port *port)
247 {
248 	struct saa7164_dev *dev = port->dev;
249 	struct tmComResEncVideoBitRate v;
250 	struct tmComResEncAudioBitRate a;
251 	struct tmComResEncVideoInputAspectRatio ar;
252 	int ret;
253 
254 	dprintk(DBGLVL_ENC, "%s() unitid=0x%x\n", __func__,
255 		port->hwcfg.sourceid);
256 
257 	port->encoder_profile = 0;
258 	port->video_format = 0;
259 	port->video_resolution = 0;
260 	port->audio_format = 0;
261 
262 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
263 		EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile);
264 	if (ret != SAA_OK)
265 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
266 
267 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
268 		EU_VIDEO_RESOLUTION_CONTROL, sizeof(u8),
269 		&port->video_resolution);
270 	if (ret != SAA_OK)
271 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
272 
273 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
274 		EU_VIDEO_FORMAT_CONTROL, sizeof(u8), &port->video_format);
275 	if (ret != SAA_OK)
276 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
277 
278 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
279 		EU_VIDEO_BIT_RATE_CONTROL, sizeof(v), &v);
280 	if (ret != SAA_OK)
281 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
282 
283 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
284 		EU_AUDIO_FORMAT_CONTROL, sizeof(u8), &port->audio_format);
285 	if (ret != SAA_OK)
286 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
287 
288 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
289 		EU_AUDIO_BIT_RATE_CONTROL, sizeof(a), &a);
290 	if (ret != SAA_OK)
291 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
292 
293 	/* Aspect Ratio */
294 	ar.width = 0;
295 	ar.height = 0;
296 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
297 		EU_VIDEO_INPUT_ASPECT_CONTROL,
298 		sizeof(struct tmComResEncVideoInputAspectRatio), &ar);
299 	if (ret != SAA_OK)
300 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
301 
302 	dprintk(DBGLVL_ENC, "encoder_profile = %d\n", port->encoder_profile);
303 	dprintk(DBGLVL_ENC, "video_format    = %d\n", port->video_format);
304 	dprintk(DBGLVL_ENC, "audio_format    = %d\n", port->audio_format);
305 	dprintk(DBGLVL_ENC, "video_resolution= %d\n", port->video_resolution);
306 	dprintk(DBGLVL_ENC, "v.ucVideoBitRateMode = %d\n",
307 		v.ucVideoBitRateMode);
308 	dprintk(DBGLVL_ENC, "v.dwVideoBitRate     = %d\n",
309 		v.dwVideoBitRate);
310 	dprintk(DBGLVL_ENC, "v.dwVideoBitRatePeak = %d\n",
311 		v.dwVideoBitRatePeak);
312 	dprintk(DBGLVL_ENC, "a.ucVideoBitRateMode = %d\n",
313 		a.ucAudioBitRateMode);
314 	dprintk(DBGLVL_ENC, "a.dwVideoBitRate     = %d\n",
315 		a.dwAudioBitRate);
316 	dprintk(DBGLVL_ENC, "a.dwVideoBitRatePeak = %d\n",
317 		a.dwAudioBitRatePeak);
318 	dprintk(DBGLVL_ENC, "aspect.width / height = %d:%d\n",
319 		ar.width, ar.height);
320 
321 	return ret;
322 }
323 
saa7164_api_set_aspect_ratio(struct saa7164_port * port)324 int saa7164_api_set_aspect_ratio(struct saa7164_port *port)
325 {
326 	struct saa7164_dev *dev = port->dev;
327 	struct tmComResEncVideoInputAspectRatio ar;
328 	int ret;
329 
330 	dprintk(DBGLVL_ENC, "%s(%d)\n", __func__,
331 		port->encoder_params.ctl_aspect);
332 
333 	switch (port->encoder_params.ctl_aspect) {
334 	case V4L2_MPEG_VIDEO_ASPECT_1x1:
335 		ar.width = 1;
336 		ar.height = 1;
337 		break;
338 	case V4L2_MPEG_VIDEO_ASPECT_4x3:
339 		ar.width = 4;
340 		ar.height = 3;
341 		break;
342 	case V4L2_MPEG_VIDEO_ASPECT_16x9:
343 		ar.width = 16;
344 		ar.height = 9;
345 		break;
346 	case V4L2_MPEG_VIDEO_ASPECT_221x100:
347 		ar.width = 221;
348 		ar.height = 100;
349 		break;
350 	default:
351 		BUG();
352 	}
353 
354 	dprintk(DBGLVL_ENC, "%s(%d) now %d:%d\n", __func__,
355 		port->encoder_params.ctl_aspect,
356 		ar.width, ar.height);
357 
358 	/* Aspect Ratio */
359 	ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
360 		EU_VIDEO_INPUT_ASPECT_CONTROL,
361 		sizeof(struct tmComResEncVideoInputAspectRatio), &ar);
362 	if (ret != SAA_OK)
363 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
364 
365 	return ret;
366 }
367 
saa7164_api_set_usercontrol(struct saa7164_port * port,u8 ctl)368 int saa7164_api_set_usercontrol(struct saa7164_port *port, u8 ctl)
369 {
370 	struct saa7164_dev *dev = port->dev;
371 	int ret;
372 	u16 val;
373 
374 	if (ctl == PU_BRIGHTNESS_CONTROL)
375 		val = port->ctl_brightness;
376 	else
377 	if (ctl == PU_CONTRAST_CONTROL)
378 		val = port->ctl_contrast;
379 	else
380 	if (ctl == PU_HUE_CONTROL)
381 		val = port->ctl_hue;
382 	else
383 	if (ctl == PU_SATURATION_CONTROL)
384 		val = port->ctl_saturation;
385 	else
386 	if (ctl == PU_SHARPNESS_CONTROL)
387 		val = port->ctl_sharpness;
388 	else
389 		return -EINVAL;
390 
391 	dprintk(DBGLVL_ENC, "%s() unitid=0x%x ctl=%d, val=%d\n",
392 		__func__, port->encunit.vsourceid, ctl, val);
393 
394 	ret = saa7164_cmd_send(port->dev, port->encunit.vsourceid, SET_CUR,
395 		ctl, sizeof(u16), &val);
396 	if (ret != SAA_OK)
397 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
398 
399 	return ret;
400 }
401 
saa7164_api_get_usercontrol(struct saa7164_port * port,u8 ctl)402 int saa7164_api_get_usercontrol(struct saa7164_port *port, u8 ctl)
403 {
404 	struct saa7164_dev *dev = port->dev;
405 	int ret;
406 	u16 val;
407 
408 	ret = saa7164_cmd_send(port->dev, port->encunit.vsourceid, GET_CUR,
409 		ctl, sizeof(u16), &val);
410 	if (ret != SAA_OK) {
411 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
412 		return ret;
413 	}
414 
415 	dprintk(DBGLVL_ENC, "%s() ctl=%d, val=%d\n",
416 		__func__, ctl, val);
417 
418 	if (ctl == PU_BRIGHTNESS_CONTROL)
419 		port->ctl_brightness = val;
420 	else
421 	if (ctl == PU_CONTRAST_CONTROL)
422 		port->ctl_contrast = val;
423 	else
424 	if (ctl == PU_HUE_CONTROL)
425 		port->ctl_hue = val;
426 	else
427 	if (ctl == PU_SATURATION_CONTROL)
428 		port->ctl_saturation = val;
429 	else
430 	if (ctl == PU_SHARPNESS_CONTROL)
431 		port->ctl_sharpness = val;
432 
433 	return ret;
434 }
435 
saa7164_api_set_videomux(struct saa7164_port * port)436 int saa7164_api_set_videomux(struct saa7164_port *port)
437 {
438 	struct saa7164_dev *dev = port->dev;
439 	u8 inputs[] = { 1, 2, 2, 2, 5, 5, 5 };
440 	int ret;
441 
442 	dprintk(DBGLVL_ENC, "%s() v_mux=%d a_mux=%d\n",
443 		__func__, port->mux_input, inputs[port->mux_input - 1]);
444 
445 	/* Audio Mute */
446 	ret = saa7164_api_audio_mute(port, 1);
447 	if (ret != SAA_OK)
448 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
449 
450 	/* Video Mux */
451 	ret = saa7164_cmd_send(port->dev, port->vidproc.sourceid, SET_CUR,
452 		SU_INPUT_SELECT_CONTROL, sizeof(u8), &port->mux_input);
453 	if (ret != SAA_OK)
454 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
455 
456 	/* Audio Mux */
457 	ret = saa7164_cmd_send(port->dev, port->audfeat.sourceid, SET_CUR,
458 		SU_INPUT_SELECT_CONTROL, sizeof(u8),
459 		&inputs[port->mux_input - 1]);
460 	if (ret != SAA_OK)
461 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
462 
463 	/* Audio UnMute */
464 	ret = saa7164_api_audio_mute(port, 0);
465 	if (ret != SAA_OK)
466 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
467 
468 	return ret;
469 }
470 
saa7164_api_audio_mute(struct saa7164_port * port,int mute)471 int saa7164_api_audio_mute(struct saa7164_port *port, int mute)
472 {
473 	struct saa7164_dev *dev = port->dev;
474 	u8 v = mute;
475 	int ret;
476 
477 	dprintk(DBGLVL_API, "%s(%d)\n", __func__, mute);
478 
479 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR,
480 		MUTE_CONTROL, sizeof(u8), &v);
481 	if (ret != SAA_OK)
482 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
483 
484 	return ret;
485 }
486 
487 /* 0 = silence, 0xff = full */
saa7164_api_set_audio_volume(struct saa7164_port * port,s8 level)488 int saa7164_api_set_audio_volume(struct saa7164_port *port, s8 level)
489 {
490 	struct saa7164_dev *dev = port->dev;
491 	s16 v, min, max;
492 	int ret;
493 
494 	dprintk(DBGLVL_API, "%s(%d)\n", __func__, level);
495 
496 	/* Obtain the min/max ranges */
497 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_MIN,
498 		VOLUME_CONTROL, sizeof(u16), &min);
499 	if (ret != SAA_OK)
500 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
501 
502 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_MAX,
503 		VOLUME_CONTROL, sizeof(u16), &max);
504 	if (ret != SAA_OK)
505 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
506 
507 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_CUR,
508 		(0x01 << 8) | VOLUME_CONTROL, sizeof(u16), &v);
509 	if (ret != SAA_OK)
510 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
511 
512 	dprintk(DBGLVL_API, "%s(%d) min=%d max=%d cur=%d\n", __func__,
513 		level, min, max, v);
514 
515 	v = level;
516 	if (v < min)
517 		v = min;
518 	if (v > max)
519 		v = max;
520 
521 	/* Left */
522 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR,
523 		(0x01 << 8) | VOLUME_CONTROL, sizeof(s16), &v);
524 	if (ret != SAA_OK)
525 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
526 
527 	/* Right */
528 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR,
529 		(0x02 << 8) | VOLUME_CONTROL, sizeof(s16), &v);
530 	if (ret != SAA_OK)
531 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
532 
533 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, GET_CUR,
534 		(0x01 << 8) | VOLUME_CONTROL, sizeof(u16), &v);
535 	if (ret != SAA_OK)
536 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
537 
538 	dprintk(DBGLVL_API, "%s(%d) min=%d max=%d cur=%d\n", __func__,
539 		level, min, max, v);
540 
541 	return ret;
542 }
543 
saa7164_api_set_audio_std(struct saa7164_port * port)544 int saa7164_api_set_audio_std(struct saa7164_port *port)
545 {
546 	struct saa7164_dev *dev = port->dev;
547 	struct tmComResAudioDefaults lvl;
548 	struct tmComResTunerStandard tvaudio;
549 	int ret;
550 
551 	dprintk(DBGLVL_API, "%s()\n", __func__);
552 
553 	/* Establish default levels */
554 	lvl.ucDecoderLevel = TMHW_LEV_ADJ_DECLEV_DEFAULT;
555 	lvl.ucDecoderFM_Level = TMHW_LEV_ADJ_DECLEV_DEFAULT;
556 	lvl.ucMonoLevel = TMHW_LEV_ADJ_MONOLEV_DEFAULT;
557 	lvl.ucNICAM_Level = TMHW_LEV_ADJ_NICLEV_DEFAULT;
558 	lvl.ucSAP_Level = TMHW_LEV_ADJ_SAPLEV_DEFAULT;
559 	lvl.ucADC_Level = TMHW_LEV_ADJ_ADCLEV_DEFAULT;
560 	ret = saa7164_cmd_send(port->dev, port->audfeat.unitid, SET_CUR,
561 		AUDIO_DEFAULT_CONTROL, sizeof(struct tmComResAudioDefaults),
562 		&lvl);
563 	if (ret != SAA_OK)
564 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
565 
566 	/* Manually select the appropriate TV audio standard */
567 	if (port->encodernorm.id & V4L2_STD_NTSC) {
568 		tvaudio.std = TU_STANDARD_NTSC_M;
569 		tvaudio.country = 1;
570 	} else {
571 		tvaudio.std = TU_STANDARD_PAL_I;
572 		tvaudio.country = 44;
573 	}
574 
575 	ret = saa7164_cmd_send(port->dev, port->tunerunit.unitid, SET_CUR,
576 		TU_STANDARD_CONTROL, sizeof(tvaudio), &tvaudio);
577 	if (ret != SAA_OK)
578 		printk(KERN_ERR "%s() TU_STANDARD_CONTROL error, ret = 0x%x\n",
579 			__func__, ret);
580 	return ret;
581 }
582 
saa7164_api_set_audio_detection(struct saa7164_port * port,int autodetect)583 int saa7164_api_set_audio_detection(struct saa7164_port *port, int autodetect)
584 {
585 	struct saa7164_dev *dev = port->dev;
586 	struct tmComResTunerStandardAuto p;
587 	int ret;
588 
589 	dprintk(DBGLVL_API, "%s(%d)\n", __func__, autodetect);
590 
591 	/* Disable TV Audio autodetect if not already set (buggy) */
592 	if (autodetect)
593 		p.mode = TU_STANDARD_AUTO;
594 	else
595 		p.mode = TU_STANDARD_MANUAL;
596 	ret = saa7164_cmd_send(port->dev, port->tunerunit.unitid, SET_CUR,
597 		TU_STANDARD_AUTO_CONTROL, sizeof(p), &p);
598 	if (ret != SAA_OK)
599 		printk(KERN_ERR
600 			"%s() TU_STANDARD_AUTO_CONTROL error, ret = 0x%x\n",
601 			__func__, ret);
602 
603 	return ret;
604 }
605 
saa7164_api_get_videomux(struct saa7164_port * port)606 int saa7164_api_get_videomux(struct saa7164_port *port)
607 {
608 	struct saa7164_dev *dev = port->dev;
609 	int ret;
610 
611 	ret = saa7164_cmd_send(port->dev, port->vidproc.sourceid, GET_CUR,
612 		SU_INPUT_SELECT_CONTROL, sizeof(u8), &port->mux_input);
613 	if (ret != SAA_OK)
614 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
615 
616 	dprintk(DBGLVL_ENC, "%s() v_mux=%d\n",
617 		__func__, port->mux_input);
618 
619 	return ret;
620 }
621 
saa7164_api_set_dif(struct saa7164_port * port,u8 reg,u8 val)622 static int saa7164_api_set_dif(struct saa7164_port *port, u8 reg, u8 val)
623 {
624 	struct saa7164_dev *dev = port->dev;
625 
626 	u16 len = 0;
627 	u8 buf[256];
628 	int ret;
629 	u8 mas;
630 
631 	dprintk(DBGLVL_API, "%s(nr=%d type=%d val=%x)\n", __func__,
632 		port->nr, port->type, val);
633 
634 	if (port->nr == 0)
635 		mas = 0xd0;
636 	else
637 		mas = 0xe0;
638 
639 	memset(buf, 0, sizeof(buf));
640 
641 	buf[0x00] = 0x04;
642 	buf[0x01] = 0x00;
643 	buf[0x02] = 0x00;
644 	buf[0x03] = 0x00;
645 
646 	buf[0x04] = 0x04;
647 	buf[0x05] = 0x00;
648 	buf[0x06] = 0x00;
649 	buf[0x07] = 0x00;
650 
651 	buf[0x08] = reg;
652 	buf[0x09] = 0x26;
653 	buf[0x0a] = mas;
654 	buf[0x0b] = 0xb0;
655 
656 	buf[0x0c] = val;
657 	buf[0x0d] = 0x00;
658 	buf[0x0e] = 0x00;
659 	buf[0x0f] = 0x00;
660 
661 	ret = saa7164_cmd_send(dev, port->ifunit.unitid, GET_LEN,
662 		EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
663 	if (ret != SAA_OK) {
664 		printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
665 		return -EIO;
666 	}
667 
668 	ret = saa7164_cmd_send(dev, port->ifunit.unitid, SET_CUR,
669 		EXU_REGISTER_ACCESS_CONTROL, len, &buf);
670 	if (ret != SAA_OK)
671 		printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
672 #if 0
673 	print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf, 16,
674 		       false);
675 #endif
676 	return ret == SAA_OK ? 0 : -EIO;
677 }
678 
679 /* Disable the IF block AGC controls */
saa7164_api_configure_dif(struct saa7164_port * port,u32 std)680 int saa7164_api_configure_dif(struct saa7164_port *port, u32 std)
681 {
682 	struct saa7164_dev *dev = port->dev;
683 	u8 agc_disable;
684 
685 	dprintk(DBGLVL_API, "%s(nr=%d, 0x%x)\n", __func__, port->nr, std);
686 
687 	if (std & V4L2_STD_NTSC) {
688 		dprintk(DBGLVL_API, " NTSC\n");
689 		saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */
690 		agc_disable = 0;
691 	} else if (std & V4L2_STD_PAL_I) {
692 		dprintk(DBGLVL_API, " PAL-I\n");
693 		saa7164_api_set_dif(port, 0x00, 0x08); /* Video Standard */
694 		agc_disable = 0;
695 	} else if (std & V4L2_STD_PAL_M) {
696 		dprintk(DBGLVL_API, " PAL-M\n");
697 		saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */
698 		agc_disable = 0;
699 	} else if (std & V4L2_STD_PAL_N) {
700 		dprintk(DBGLVL_API, " PAL-N\n");
701 		saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */
702 		agc_disable = 0;
703 	} else if (std & V4L2_STD_PAL_Nc) {
704 		dprintk(DBGLVL_API, " PAL-Nc\n");
705 		saa7164_api_set_dif(port, 0x00, 0x01); /* Video Standard */
706 		agc_disable = 0;
707 	} else if (std & V4L2_STD_PAL_B) {
708 		dprintk(DBGLVL_API, " PAL-B\n");
709 		saa7164_api_set_dif(port, 0x00, 0x02); /* Video Standard */
710 		agc_disable = 0;
711 	} else if (std & V4L2_STD_PAL_DK) {
712 		dprintk(DBGLVL_API, " PAL-DK\n");
713 		saa7164_api_set_dif(port, 0x00, 0x10); /* Video Standard */
714 		agc_disable = 0;
715 	} else if (std & V4L2_STD_SECAM_L) {
716 		dprintk(DBGLVL_API, " SECAM-L\n");
717 		saa7164_api_set_dif(port, 0x00, 0x20); /* Video Standard */
718 		agc_disable = 0;
719 	} else {
720 		/* Unknown standard, assume DTV */
721 		dprintk(DBGLVL_API, " Unknown (assuming DTV)\n");
722 		/* Undefinded Video Standard */
723 		saa7164_api_set_dif(port, 0x00, 0x80);
724 		agc_disable = 1;
725 	}
726 
727 	saa7164_api_set_dif(port, 0x48, 0xa0); /* AGC Functions 1 */
728 	saa7164_api_set_dif(port, 0xc0, agc_disable); /* AGC Output Disable */
729 	saa7164_api_set_dif(port, 0x7c, 0x04); /* CVBS EQ */
730 	saa7164_api_set_dif(port, 0x04, 0x01); /* Active */
731 	msleep(100);
732 	saa7164_api_set_dif(port, 0x04, 0x00); /* Active (again) */
733 	msleep(100);
734 
735 	return 0;
736 }
737 
738 /* Ensure the dif is in the correct state for the operating mode
739  * (analog / dtv). We only configure the diff through the analog encoder
740  * so when we're in digital mode we need to find the appropriate encoder
741  * and use it to configure the DIF.
742  */
saa7164_api_initialize_dif(struct saa7164_port * port)743 int saa7164_api_initialize_dif(struct saa7164_port *port)
744 {
745 	struct saa7164_dev *dev = port->dev;
746 	struct saa7164_port *p = NULL;
747 	int ret = -EINVAL;
748 	u32 std = 0;
749 
750 	dprintk(DBGLVL_API, "%s(nr=%d type=%d)\n", __func__,
751 		port->nr, port->type);
752 
753 	if (port->type == SAA7164_MPEG_ENCODER) {
754 		/* Pick any analog standard to init the diff.
755 		 * we'll come back during encoder_init'
756 		 * and set the correct standard if requried.
757 		 */
758 		std = V4L2_STD_NTSC;
759 	} else
760 	if (port->type == SAA7164_MPEG_DVB) {
761 		if (port->nr == SAA7164_PORT_TS1)
762 			p = &dev->ports[SAA7164_PORT_ENC1];
763 		else
764 			p = &dev->ports[SAA7164_PORT_ENC2];
765 	} else
766 	if (port->type == SAA7164_MPEG_VBI) {
767 		std = V4L2_STD_NTSC;
768 		if (port->nr == SAA7164_PORT_VBI1)
769 			p = &dev->ports[SAA7164_PORT_ENC1];
770 		else
771 			p = &dev->ports[SAA7164_PORT_ENC2];
772 	} else
773 		BUG();
774 
775 	if (p)
776 		ret = saa7164_api_configure_dif(p, std);
777 
778 	return ret;
779 }
780 
saa7164_api_transition_port(struct saa7164_port * port,u8 mode)781 int saa7164_api_transition_port(struct saa7164_port *port, u8 mode)
782 {
783 	struct saa7164_dev *dev = port->dev;
784 
785 	int ret;
786 
787 	dprintk(DBGLVL_API, "%s(nr=%d unitid=0x%x,%d)\n",
788 		__func__, port->nr, port->hwcfg.unitid, mode);
789 
790 	ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, SET_CUR,
791 		SAA_STATE_CONTROL, sizeof(mode), &mode);
792 	if (ret != SAA_OK)
793 		printk(KERN_ERR "%s(portnr %d unitid 0x%x) error, ret = 0x%x\n",
794 			__func__, port->nr, port->hwcfg.unitid, ret);
795 
796 	return ret;
797 }
798 
saa7164_api_get_fw_version(struct saa7164_dev * dev,u32 * version)799 int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version)
800 {
801 	int ret;
802 
803 	ret = saa7164_cmd_send(dev, 0, GET_CUR,
804 		GET_FW_VERSION_CONTROL, sizeof(u32), version);
805 	if (ret != SAA_OK)
806 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
807 
808 	return ret;
809 }
810 
saa7164_api_read_eeprom(struct saa7164_dev * dev,u8 * buf,int buflen)811 int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen)
812 {
813 	u8 reg[] = { 0x0f, 0x00 };
814 
815 	if (buflen < 128)
816 		return -ENOMEM;
817 
818 	/* Assumption: Hauppauge eeprom is at 0xa0 on on bus 0 */
819 	/* TODO: Pull the details from the boards struct */
820 	return saa7164_api_i2c_read(&dev->i2c_bus[0], 0xa0 >> 1, sizeof(reg),
821 		&reg[0], 128, buf);
822 }
823 
saa7164_api_configure_port_vbi(struct saa7164_dev * dev,struct saa7164_port * port)824 static int saa7164_api_configure_port_vbi(struct saa7164_dev *dev,
825 					  struct saa7164_port *port)
826 {
827 	struct tmComResVBIFormatDescrHeader *fmt = &port->vbi_fmt_ntsc;
828 
829 	dprintk(DBGLVL_API, "    bFormatIndex  = 0x%x\n", fmt->bFormatIndex);
830 	dprintk(DBGLVL_API, "    VideoStandard = 0x%x\n", fmt->VideoStandard);
831 	dprintk(DBGLVL_API, "    StartLine     = %d\n", fmt->StartLine);
832 	dprintk(DBGLVL_API, "    EndLine       = %d\n", fmt->EndLine);
833 	dprintk(DBGLVL_API, "    FieldRate     = %d\n", fmt->FieldRate);
834 	dprintk(DBGLVL_API, "    bNumLines     = %d\n", fmt->bNumLines);
835 
836 	/* Cache the hardware configuration in the port */
837 
838 	port->bufcounter = port->hwcfg.BARLocation;
839 	port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32));
840 	port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32));
841 	port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32));
842 	port->bufptr32l = port->hwcfg.BARLocation +
843 		(4 * sizeof(u32)) +
844 		(sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32);
845 	port->bufptr32h = port->hwcfg.BARLocation +
846 		(4 * sizeof(u32)) +
847 		(sizeof(u32) * port->hwcfg.buffercount);
848 	port->bufptr64 = port->hwcfg.BARLocation +
849 		(4 * sizeof(u32)) +
850 		(sizeof(u32) * port->hwcfg.buffercount);
851 	dprintk(DBGLVL_API, "   = port->hwcfg.BARLocation = 0x%x\n",
852 		port->hwcfg.BARLocation);
853 
854 	dprintk(DBGLVL_API, "   = VS_FORMAT_VBI (becomes dev->en[%d])\n",
855 		port->nr);
856 
857 	return 0;
858 }
859 
860 static int
saa7164_api_configure_port_mpeg2ts(struct saa7164_dev * dev,struct saa7164_port * port,struct tmComResTSFormatDescrHeader * tsfmt)861 saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev,
862 				   struct saa7164_port *port,
863 				   struct tmComResTSFormatDescrHeader *tsfmt)
864 {
865 	dprintk(DBGLVL_API, "    bFormatIndex = 0x%x\n", tsfmt->bFormatIndex);
866 	dprintk(DBGLVL_API, "    bDataOffset  = 0x%x\n", tsfmt->bDataOffset);
867 	dprintk(DBGLVL_API, "    bPacketLength= 0x%x\n", tsfmt->bPacketLength);
868 	dprintk(DBGLVL_API, "    bStrideLength= 0x%x\n", tsfmt->bStrideLength);
869 	dprintk(DBGLVL_API, "    bguid        = (....)\n");
870 
871 	/* Cache the hardware configuration in the port */
872 
873 	port->bufcounter = port->hwcfg.BARLocation;
874 	port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32));
875 	port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32));
876 	port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32));
877 	port->bufptr32l = port->hwcfg.BARLocation +
878 		(4 * sizeof(u32)) +
879 		(sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32);
880 	port->bufptr32h = port->hwcfg.BARLocation +
881 		(4 * sizeof(u32)) +
882 		(sizeof(u32) * port->hwcfg.buffercount);
883 	port->bufptr64 = port->hwcfg.BARLocation +
884 		(4 * sizeof(u32)) +
885 		(sizeof(u32) * port->hwcfg.buffercount);
886 	dprintk(DBGLVL_API, "   = port->hwcfg.BARLocation = 0x%x\n",
887 		port->hwcfg.BARLocation);
888 
889 	dprintk(DBGLVL_API, "   = VS_FORMAT_MPEGTS (becomes dev->ts[%d])\n",
890 		port->nr);
891 
892 	return 0;
893 }
894 
895 static int
saa7164_api_configure_port_mpeg2ps(struct saa7164_dev * dev,struct saa7164_port * port,struct tmComResPSFormatDescrHeader * fmt)896 saa7164_api_configure_port_mpeg2ps(struct saa7164_dev *dev,
897 				   struct saa7164_port *port,
898 				   struct tmComResPSFormatDescrHeader *fmt)
899 {
900 	dprintk(DBGLVL_API, "    bFormatIndex = 0x%x\n", fmt->bFormatIndex);
901 	dprintk(DBGLVL_API, "    wPacketLength= 0x%x\n", fmt->wPacketLength);
902 	dprintk(DBGLVL_API, "    wPackLength=   0x%x\n", fmt->wPackLength);
903 	dprintk(DBGLVL_API, "    bPackDataType= 0x%x\n", fmt->bPackDataType);
904 
905 	/* Cache the hardware configuration in the port */
906 	/* TODO: CHECK THIS in the port config */
907 	port->bufcounter = port->hwcfg.BARLocation;
908 	port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32));
909 	port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32));
910 	port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32));
911 	port->bufptr32l = port->hwcfg.BARLocation +
912 		(4 * sizeof(u32)) +
913 		(sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32);
914 	port->bufptr32h = port->hwcfg.BARLocation +
915 		(4 * sizeof(u32)) +
916 		(sizeof(u32) * port->hwcfg.buffercount);
917 	port->bufptr64 = port->hwcfg.BARLocation +
918 		(4 * sizeof(u32)) +
919 		(sizeof(u32) * port->hwcfg.buffercount);
920 	dprintk(DBGLVL_API, "   = port->hwcfg.BARLocation = 0x%x\n",
921 		port->hwcfg.BARLocation);
922 
923 	dprintk(DBGLVL_API, "   = VS_FORMAT_MPEGPS (becomes dev->enc[%d])\n",
924 		port->nr);
925 
926 	return 0;
927 }
928 
saa7164_api_dump_subdevs(struct saa7164_dev * dev,u8 * buf,int len)929 static int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len)
930 {
931 	struct saa7164_port *tsport = NULL;
932 	struct saa7164_port *encport = NULL;
933 	struct saa7164_port *vbiport = NULL;
934 	u32 idx, next_offset;
935 	int i;
936 	struct tmComResDescrHeader *hdr, *t;
937 	struct tmComResExtDevDescrHeader *exthdr;
938 	struct tmComResPathDescrHeader *pathhdr;
939 	struct tmComResAntTermDescrHeader *anttermhdr;
940 	struct tmComResTunerDescrHeader *tunerunithdr;
941 	struct tmComResDMATermDescrHeader *vcoutputtermhdr;
942 	struct tmComResTSFormatDescrHeader *tsfmt;
943 	struct tmComResPSFormatDescrHeader *psfmt;
944 	struct tmComResSelDescrHeader *psel;
945 	struct tmComResProcDescrHeader *pdh;
946 	struct tmComResAFeatureDescrHeader *afd;
947 	struct tmComResEncoderDescrHeader *edh;
948 	struct tmComResVBIFormatDescrHeader *vbifmt;
949 	u32 currpath = 0;
950 
951 	dprintk(DBGLVL_API,
952 		"%s(?,?,%d) sizeof(struct tmComResDescrHeader) = %d bytes\n",
953 		__func__, len, (u32)sizeof(struct tmComResDescrHeader));
954 
955 	for (idx = 0; idx < (len - sizeof(struct tmComResDescrHeader));) {
956 
957 		hdr = (struct tmComResDescrHeader *)(buf + idx);
958 
959 		if (hdr->type != CS_INTERFACE)
960 			return SAA_ERR_NOT_SUPPORTED;
961 
962 		dprintk(DBGLVL_API, "@ 0x%x =\n", idx);
963 		switch (hdr->subtype) {
964 		case GENERAL_REQUEST:
965 			dprintk(DBGLVL_API, " GENERAL_REQUEST\n");
966 			break;
967 		case VC_TUNER_PATH:
968 			dprintk(DBGLVL_API, " VC_TUNER_PATH\n");
969 			pathhdr = (struct tmComResPathDescrHeader *)(buf + idx);
970 			dprintk(DBGLVL_API, "  pathid = 0x%x\n",
971 				pathhdr->pathid);
972 			currpath = pathhdr->pathid;
973 			break;
974 		case VC_INPUT_TERMINAL:
975 			dprintk(DBGLVL_API, " VC_INPUT_TERMINAL\n");
976 			anttermhdr =
977 				(struct tmComResAntTermDescrHeader *)(buf + idx);
978 			dprintk(DBGLVL_API, "  terminalid   = 0x%x\n",
979 				anttermhdr->terminalid);
980 			dprintk(DBGLVL_API, "  terminaltype = 0x%x\n",
981 				anttermhdr->terminaltype);
982 			switch (anttermhdr->terminaltype) {
983 			case ITT_ANTENNA:
984 				dprintk(DBGLVL_API, "   = ITT_ANTENNA\n");
985 				break;
986 			case LINE_CONNECTOR:
987 				dprintk(DBGLVL_API, "   = LINE_CONNECTOR\n");
988 				break;
989 			case SPDIF_CONNECTOR:
990 				dprintk(DBGLVL_API, "   = SPDIF_CONNECTOR\n");
991 				break;
992 			case COMPOSITE_CONNECTOR:
993 				dprintk(DBGLVL_API,
994 					"   = COMPOSITE_CONNECTOR\n");
995 				break;
996 			case SVIDEO_CONNECTOR:
997 				dprintk(DBGLVL_API, "   = SVIDEO_CONNECTOR\n");
998 				break;
999 			case COMPONENT_CONNECTOR:
1000 				dprintk(DBGLVL_API,
1001 					"   = COMPONENT_CONNECTOR\n");
1002 				break;
1003 			case STANDARD_DMA:
1004 				dprintk(DBGLVL_API, "   = STANDARD_DMA\n");
1005 				break;
1006 			default:
1007 				dprintk(DBGLVL_API, "   = undefined (0x%x)\n",
1008 					anttermhdr->terminaltype);
1009 			}
1010 			dprintk(DBGLVL_API, "  assocterminal= 0x%x\n",
1011 				anttermhdr->assocterminal);
1012 			dprintk(DBGLVL_API, "  iterminal    = 0x%x\n",
1013 				anttermhdr->iterminal);
1014 			dprintk(DBGLVL_API, "  controlsize  = 0x%x\n",
1015 				anttermhdr->controlsize);
1016 			break;
1017 		case VC_OUTPUT_TERMINAL:
1018 			dprintk(DBGLVL_API, " VC_OUTPUT_TERMINAL\n");
1019 			vcoutputtermhdr =
1020 				(struct tmComResDMATermDescrHeader *)(buf + idx);
1021 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1022 				vcoutputtermhdr->unitid);
1023 			dprintk(DBGLVL_API, "  terminaltype = 0x%x\n",
1024 				vcoutputtermhdr->terminaltype);
1025 			switch (vcoutputtermhdr->terminaltype) {
1026 			case ITT_ANTENNA:
1027 				dprintk(DBGLVL_API, "   = ITT_ANTENNA\n");
1028 				break;
1029 			case LINE_CONNECTOR:
1030 				dprintk(DBGLVL_API, "   = LINE_CONNECTOR\n");
1031 				break;
1032 			case SPDIF_CONNECTOR:
1033 				dprintk(DBGLVL_API, "   = SPDIF_CONNECTOR\n");
1034 				break;
1035 			case COMPOSITE_CONNECTOR:
1036 				dprintk(DBGLVL_API,
1037 					"   = COMPOSITE_CONNECTOR\n");
1038 				break;
1039 			case SVIDEO_CONNECTOR:
1040 				dprintk(DBGLVL_API, "   = SVIDEO_CONNECTOR\n");
1041 				break;
1042 			case COMPONENT_CONNECTOR:
1043 				dprintk(DBGLVL_API,
1044 					"   = COMPONENT_CONNECTOR\n");
1045 				break;
1046 			case STANDARD_DMA:
1047 				dprintk(DBGLVL_API, "   = STANDARD_DMA\n");
1048 				break;
1049 			default:
1050 				dprintk(DBGLVL_API, "   = undefined (0x%x)\n",
1051 					vcoutputtermhdr->terminaltype);
1052 			}
1053 			dprintk(DBGLVL_API, "  assocterminal= 0x%x\n",
1054 				vcoutputtermhdr->assocterminal);
1055 			dprintk(DBGLVL_API, "  sourceid     = 0x%x\n",
1056 				vcoutputtermhdr->sourceid);
1057 			dprintk(DBGLVL_API, "  iterminal    = 0x%x\n",
1058 				vcoutputtermhdr->iterminal);
1059 			dprintk(DBGLVL_API, "  BARLocation  = 0x%x\n",
1060 				vcoutputtermhdr->BARLocation);
1061 			dprintk(DBGLVL_API, "  flags        = 0x%x\n",
1062 				vcoutputtermhdr->flags);
1063 			dprintk(DBGLVL_API, "  interruptid  = 0x%x\n",
1064 				vcoutputtermhdr->interruptid);
1065 			dprintk(DBGLVL_API, "  buffercount  = 0x%x\n",
1066 				vcoutputtermhdr->buffercount);
1067 			dprintk(DBGLVL_API, "  metadatasize = 0x%x\n",
1068 				vcoutputtermhdr->metadatasize);
1069 			dprintk(DBGLVL_API, "  controlsize  = 0x%x\n",
1070 				vcoutputtermhdr->controlsize);
1071 			dprintk(DBGLVL_API, "  numformats   = 0x%x\n",
1072 				vcoutputtermhdr->numformats);
1073 
1074 			t = (struct tmComResDescrHeader *)
1075 				((struct tmComResDMATermDescrHeader *)(buf + idx));
1076 			next_offset = idx + (vcoutputtermhdr->len);
1077 			for (i = 0; i < vcoutputtermhdr->numformats; i++) {
1078 				t = (struct tmComResDescrHeader *)
1079 					(buf + next_offset);
1080 				switch (t->subtype) {
1081 				case VS_FORMAT_MPEG2TS:
1082 					tsfmt =
1083 					(struct tmComResTSFormatDescrHeader *)t;
1084 					if (currpath == 1)
1085 						tsport = &dev->ports[SAA7164_PORT_TS1];
1086 					else
1087 						tsport = &dev->ports[SAA7164_PORT_TS2];
1088 					memcpy(&tsport->hwcfg, vcoutputtermhdr,
1089 						sizeof(*vcoutputtermhdr));
1090 					saa7164_api_configure_port_mpeg2ts(dev,
1091 						tsport, tsfmt);
1092 					break;
1093 				case VS_FORMAT_MPEG2PS:
1094 					psfmt =
1095 					(struct tmComResPSFormatDescrHeader *)t;
1096 					if (currpath == 1)
1097 						encport = &dev->ports[SAA7164_PORT_ENC1];
1098 					else
1099 						encport = &dev->ports[SAA7164_PORT_ENC2];
1100 					memcpy(&encport->hwcfg, vcoutputtermhdr,
1101 						sizeof(*vcoutputtermhdr));
1102 					saa7164_api_configure_port_mpeg2ps(dev,
1103 						encport, psfmt);
1104 					break;
1105 				case VS_FORMAT_VBI:
1106 					vbifmt =
1107 					(struct tmComResVBIFormatDescrHeader *)t;
1108 					if (currpath == 1)
1109 						vbiport = &dev->ports[SAA7164_PORT_VBI1];
1110 					else
1111 						vbiport = &dev->ports[SAA7164_PORT_VBI2];
1112 					memcpy(&vbiport->hwcfg, vcoutputtermhdr,
1113 						sizeof(*vcoutputtermhdr));
1114 					memcpy(&vbiport->vbi_fmt_ntsc, vbifmt,
1115 						sizeof(*vbifmt));
1116 					saa7164_api_configure_port_vbi(dev,
1117 						vbiport);
1118 					break;
1119 				case VS_FORMAT_RDS:
1120 					dprintk(DBGLVL_API,
1121 						"   = VS_FORMAT_RDS\n");
1122 					break;
1123 				case VS_FORMAT_UNCOMPRESSED:
1124 					dprintk(DBGLVL_API,
1125 					"   = VS_FORMAT_UNCOMPRESSED\n");
1126 					break;
1127 				case VS_FORMAT_TYPE:
1128 					dprintk(DBGLVL_API,
1129 						"   = VS_FORMAT_TYPE\n");
1130 					break;
1131 				default:
1132 					dprintk(DBGLVL_API,
1133 						"   = undefined (0x%x)\n",
1134 						t->subtype);
1135 				}
1136 				next_offset += t->len;
1137 			}
1138 
1139 			break;
1140 		case TUNER_UNIT:
1141 			dprintk(DBGLVL_API, " TUNER_UNIT\n");
1142 			tunerunithdr =
1143 				(struct tmComResTunerDescrHeader *)(buf + idx);
1144 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1145 				tunerunithdr->unitid);
1146 			dprintk(DBGLVL_API, "  sourceid = 0x%x\n",
1147 				tunerunithdr->sourceid);
1148 			dprintk(DBGLVL_API, "  iunit = 0x%x\n",
1149 				tunerunithdr->iunit);
1150 			dprintk(DBGLVL_API, "  tuningstandards = 0x%x\n",
1151 				tunerunithdr->tuningstandards);
1152 			dprintk(DBGLVL_API, "  controlsize = 0x%x\n",
1153 				tunerunithdr->controlsize);
1154 			dprintk(DBGLVL_API, "  controls = 0x%x\n",
1155 				tunerunithdr->controls);
1156 
1157 			if (tunerunithdr->unitid == tunerunithdr->iunit) {
1158 				if (currpath == 1)
1159 					encport = &dev->ports[SAA7164_PORT_ENC1];
1160 				else
1161 					encport = &dev->ports[SAA7164_PORT_ENC2];
1162 				memcpy(&encport->tunerunit, tunerunithdr,
1163 					sizeof(struct tmComResTunerDescrHeader));
1164 				dprintk(DBGLVL_API,
1165 					"  (becomes dev->enc[%d] tuner)\n",
1166 					encport->nr);
1167 			}
1168 			break;
1169 		case VC_SELECTOR_UNIT:
1170 			psel = (struct tmComResSelDescrHeader *)(buf + idx);
1171 			dprintk(DBGLVL_API, " VC_SELECTOR_UNIT\n");
1172 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1173 				psel->unitid);
1174 			dprintk(DBGLVL_API, "  nrinpins = 0x%x\n",
1175 				psel->nrinpins);
1176 			dprintk(DBGLVL_API, "  sourceid = 0x%x\n",
1177 				psel->sourceid);
1178 			break;
1179 		case VC_PROCESSING_UNIT:
1180 			pdh = (struct tmComResProcDescrHeader *)(buf + idx);
1181 			dprintk(DBGLVL_API, " VC_PROCESSING_UNIT\n");
1182 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1183 				pdh->unitid);
1184 			dprintk(DBGLVL_API, "  sourceid = 0x%x\n",
1185 				pdh->sourceid);
1186 			dprintk(DBGLVL_API, "  controlsize = 0x%x\n",
1187 				pdh->controlsize);
1188 			if (pdh->controlsize == 0x04) {
1189 				if (currpath == 1)
1190 					encport = &dev->ports[SAA7164_PORT_ENC1];
1191 				else
1192 					encport = &dev->ports[SAA7164_PORT_ENC2];
1193 				memcpy(&encport->vidproc, pdh,
1194 					sizeof(struct tmComResProcDescrHeader));
1195 				dprintk(DBGLVL_API, "  (becomes dev->enc[%d])\n",
1196 					encport->nr);
1197 			}
1198 			break;
1199 		case FEATURE_UNIT:
1200 			afd = (struct tmComResAFeatureDescrHeader *)(buf + idx);
1201 			dprintk(DBGLVL_API, " FEATURE_UNIT\n");
1202 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1203 				afd->unitid);
1204 			dprintk(DBGLVL_API, "  sourceid = 0x%x\n",
1205 				afd->sourceid);
1206 			dprintk(DBGLVL_API, "  controlsize = 0x%x\n",
1207 				afd->controlsize);
1208 			if (currpath == 1)
1209 				encport = &dev->ports[SAA7164_PORT_ENC1];
1210 			else
1211 				encport = &dev->ports[SAA7164_PORT_ENC2];
1212 			memcpy(&encport->audfeat, afd,
1213 				sizeof(struct tmComResAFeatureDescrHeader));
1214 			dprintk(DBGLVL_API, "  (becomes dev->enc[%d])\n",
1215 				encport->nr);
1216 			break;
1217 		case ENCODER_UNIT:
1218 			edh = (struct tmComResEncoderDescrHeader *)(buf + idx);
1219 			dprintk(DBGLVL_API, " ENCODER_UNIT\n");
1220 			dprintk(DBGLVL_API, "  subtype = 0x%x\n", edh->subtype);
1221 			dprintk(DBGLVL_API, "  unitid = 0x%x\n", edh->unitid);
1222 			dprintk(DBGLVL_API, "  vsourceid = 0x%x\n",
1223 			edh->vsourceid);
1224 			dprintk(DBGLVL_API, "  asourceid = 0x%x\n",
1225 				edh->asourceid);
1226 			dprintk(DBGLVL_API, "  iunit = 0x%x\n", edh->iunit);
1227 			if (edh->iunit == edh->unitid) {
1228 				if (currpath == 1)
1229 					encport = &dev->ports[SAA7164_PORT_ENC1];
1230 				else
1231 					encport = &dev->ports[SAA7164_PORT_ENC2];
1232 				memcpy(&encport->encunit, edh,
1233 					sizeof(struct tmComResEncoderDescrHeader));
1234 				dprintk(DBGLVL_API,
1235 					"  (becomes dev->enc[%d])\n",
1236 					encport->nr);
1237 			}
1238 			break;
1239 		case EXTENSION_UNIT:
1240 			dprintk(DBGLVL_API, " EXTENSION_UNIT\n");
1241 			exthdr = (struct tmComResExtDevDescrHeader *)(buf + idx);
1242 			dprintk(DBGLVL_API, "  unitid = 0x%x\n",
1243 				exthdr->unitid);
1244 			dprintk(DBGLVL_API, "  deviceid = 0x%x\n",
1245 				exthdr->deviceid);
1246 			dprintk(DBGLVL_API, "  devicetype = 0x%x\n",
1247 				exthdr->devicetype);
1248 			if (exthdr->devicetype & 0x1)
1249 				dprintk(DBGLVL_API, "   = Decoder Device\n");
1250 			if (exthdr->devicetype & 0x2)
1251 				dprintk(DBGLVL_API, "   = GPIO Source\n");
1252 			if (exthdr->devicetype & 0x4)
1253 				dprintk(DBGLVL_API, "   = Video Decoder\n");
1254 			if (exthdr->devicetype & 0x8)
1255 				dprintk(DBGLVL_API, "   = Audio Decoder\n");
1256 			if (exthdr->devicetype & 0x20)
1257 				dprintk(DBGLVL_API, "   = Crossbar\n");
1258 			if (exthdr->devicetype & 0x40)
1259 				dprintk(DBGLVL_API, "   = Tuner\n");
1260 			if (exthdr->devicetype & 0x80)
1261 				dprintk(DBGLVL_API, "   = IF PLL\n");
1262 			if (exthdr->devicetype & 0x100)
1263 				dprintk(DBGLVL_API, "   = Demodulator\n");
1264 			if (exthdr->devicetype & 0x200)
1265 				dprintk(DBGLVL_API, "   = RDS Decoder\n");
1266 			if (exthdr->devicetype & 0x400)
1267 				dprintk(DBGLVL_API, "   = Encoder\n");
1268 			if (exthdr->devicetype & 0x800)
1269 				dprintk(DBGLVL_API, "   = IR Decoder\n");
1270 			if (exthdr->devicetype & 0x1000)
1271 				dprintk(DBGLVL_API, "   = EEPROM\n");
1272 			if (exthdr->devicetype & 0x2000)
1273 				dprintk(DBGLVL_API,
1274 					"   = VBI Decoder\n");
1275 			if (exthdr->devicetype & 0x10000)
1276 				dprintk(DBGLVL_API,
1277 					"   = Streaming Device\n");
1278 			if (exthdr->devicetype & 0x20000)
1279 				dprintk(DBGLVL_API,
1280 					"   = DRM Device\n");
1281 			if (exthdr->devicetype & 0x40000000)
1282 				dprintk(DBGLVL_API,
1283 					"   = Generic Device\n");
1284 			if (exthdr->devicetype & 0x80000000)
1285 				dprintk(DBGLVL_API,
1286 					"   = Config Space Device\n");
1287 			dprintk(DBGLVL_API, "  numgpiopins = 0x%x\n",
1288 				exthdr->numgpiopins);
1289 			dprintk(DBGLVL_API, "  numgpiogroups = 0x%x\n",
1290 				exthdr->numgpiogroups);
1291 			dprintk(DBGLVL_API, "  controlsize = 0x%x\n",
1292 				exthdr->controlsize);
1293 			if (exthdr->devicetype & 0x80) {
1294 				if (currpath == 1)
1295 					encport = &dev->ports[SAA7164_PORT_ENC1];
1296 				else
1297 					encport = &dev->ports[SAA7164_PORT_ENC2];
1298 				memcpy(&encport->ifunit, exthdr,
1299 					sizeof(struct tmComResExtDevDescrHeader));
1300 				dprintk(DBGLVL_API,
1301 					"  (becomes dev->enc[%d])\n",
1302 					encport->nr);
1303 			}
1304 			break;
1305 		case PVC_INFRARED_UNIT:
1306 			dprintk(DBGLVL_API, " PVC_INFRARED_UNIT\n");
1307 			break;
1308 		case DRM_UNIT:
1309 			dprintk(DBGLVL_API, " DRM_UNIT\n");
1310 			break;
1311 		default:
1312 			dprintk(DBGLVL_API, "default %d\n", hdr->subtype);
1313 		}
1314 
1315 		dprintk(DBGLVL_API, " 1.%x\n", hdr->len);
1316 		dprintk(DBGLVL_API, " 2.%x\n", hdr->type);
1317 		dprintk(DBGLVL_API, " 3.%x\n", hdr->subtype);
1318 		dprintk(DBGLVL_API, " 4.%x\n", hdr->unitid);
1319 
1320 		idx += hdr->len;
1321 	}
1322 
1323 	return 0;
1324 }
1325 
saa7164_api_enum_subdevs(struct saa7164_dev * dev)1326 int saa7164_api_enum_subdevs(struct saa7164_dev *dev)
1327 {
1328 	int ret;
1329 	u32 buflen = 0;
1330 	u8 *buf;
1331 
1332 	dprintk(DBGLVL_API, "%s()\n", __func__);
1333 
1334 	/* Get the total descriptor length */
1335 	ret = saa7164_cmd_send(dev, 0, GET_LEN,
1336 		GET_DESCRIPTORS_CONTROL, sizeof(buflen), &buflen);
1337 	if (ret != SAA_OK)
1338 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
1339 
1340 	dprintk(DBGLVL_API, "%s() total descriptor size = %d bytes.\n",
1341 		__func__, buflen);
1342 
1343 	/* Allocate enough storage for all of the descs */
1344 	buf = kzalloc(buflen, GFP_KERNEL);
1345 	if (!buf)
1346 		return SAA_ERR_NO_RESOURCES;
1347 
1348 	/* Retrieve them */
1349 	ret = saa7164_cmd_send(dev, 0, GET_CUR,
1350 		GET_DESCRIPTORS_CONTROL, buflen, buf);
1351 	if (ret != SAA_OK) {
1352 		printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
1353 		goto out;
1354 	}
1355 
1356 	if (saa_debug & DBGLVL_API)
1357 		print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf,
1358 			       buflen & ~15, false);
1359 
1360 	saa7164_api_dump_subdevs(dev, buf, buflen);
1361 
1362 out:
1363 	kfree(buf);
1364 	return ret;
1365 }
1366 
saa7164_api_i2c_read(struct saa7164_i2c * bus,u8 addr,u32 reglen,u8 * reg,u32 datalen,u8 * data)1367 int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg,
1368 	u32 datalen, u8 *data)
1369 {
1370 	struct saa7164_dev *dev = bus->dev;
1371 	u16 len = 0;
1372 	int unitid;
1373 	u8 buf[256];
1374 	int ret;
1375 
1376 	dprintk(DBGLVL_API, "%s() addr=%x reglen=%d datalen=%d\n",
1377 		__func__, addr, reglen, datalen);
1378 
1379 	if (reglen > 4)
1380 		return -EIO;
1381 
1382 	/* Prepare the send buffer */
1383 	/* Bytes 00-03 source register length
1384 	 *       04-07 source bytes to read
1385 	 *       08... register address
1386 	 */
1387 	memset(buf, 0, sizeof(buf));
1388 	memcpy((buf + 2 * sizeof(u32) + 0), reg, reglen);
1389 	*((u32 *)(buf + 0 * sizeof(u32))) = reglen;
1390 	*((u32 *)(buf + 1 * sizeof(u32))) = datalen;
1391 
1392 	unitid = saa7164_i2caddr_to_unitid(bus, addr);
1393 	if (unitid < 0) {
1394 		printk(KERN_ERR
1395 			"%s() error, cannot translate regaddr 0x%x to unitid\n",
1396 			__func__, addr);
1397 		return -EIO;
1398 	}
1399 
1400 	ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN,
1401 		EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
1402 	if (ret != SAA_OK) {
1403 		printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
1404 		return -EIO;
1405 	}
1406 
1407 	dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len);
1408 
1409 	if (saa_debug & DBGLVL_I2C)
1410 		print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1, buf,
1411 			       32, false);
1412 
1413 	ret = saa7164_cmd_send(bus->dev, unitid, GET_CUR,
1414 		EXU_REGISTER_ACCESS_CONTROL, len, &buf);
1415 	if (ret != SAA_OK)
1416 		printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
1417 	else {
1418 		if (saa_debug & DBGLVL_I2C)
1419 			print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
1420 				       buf, sizeof(buf), false);
1421 		memcpy(data, (buf + 2 * sizeof(u32) + reglen), datalen);
1422 	}
1423 
1424 	return ret == SAA_OK ? 0 : -EIO;
1425 }
1426 
1427 /* 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)1428 int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen,
1429 	u8 *data)
1430 {
1431 	struct saa7164_dev *dev = bus->dev;
1432 	u16 len = 0;
1433 	int unitid;
1434 	int reglen;
1435 	u8 buf[256];
1436 	int ret;
1437 
1438 	dprintk(DBGLVL_API, "%s() addr=0x%2x len=0x%x\n",
1439 		__func__, addr, datalen);
1440 
1441 	if ((datalen == 0) || (datalen > 232))
1442 		return -EIO;
1443 
1444 	memset(buf, 0, sizeof(buf));
1445 
1446 	unitid = saa7164_i2caddr_to_unitid(bus, addr);
1447 	if (unitid < 0) {
1448 		printk(KERN_ERR
1449 			"%s() error, cannot translate regaddr 0x%x to unitid\n",
1450 			__func__, addr);
1451 		return -EIO;
1452 	}
1453 
1454 	reglen = saa7164_i2caddr_to_reglen(bus, addr);
1455 	if (reglen < 0) {
1456 		printk(KERN_ERR
1457 			"%s() error, cannot translate regaddr to reglen\n",
1458 			__func__);
1459 		return -EIO;
1460 	}
1461 
1462 	ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN,
1463 		EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len);
1464 	if (ret != SAA_OK) {
1465 		printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret);
1466 		return -EIO;
1467 	}
1468 
1469 	dprintk(DBGLVL_API, "%s() len = %d bytes unitid=0x%x\n", __func__,
1470 		len, unitid);
1471 
1472 	/* Prepare the send buffer */
1473 	/* Bytes 00-03 dest register length
1474 	 *       04-07 dest bytes to write
1475 	 *       08... register address
1476 	 */
1477 	*((u32 *)(buf + 0 * sizeof(u32))) = reglen;
1478 	*((u32 *)(buf + 1 * sizeof(u32))) = datalen - reglen;
1479 	memcpy((buf + 2 * sizeof(u32)), data, datalen);
1480 
1481 	if (saa_debug & DBGLVL_I2C)
1482 		print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
1483 			       buf, sizeof(buf), false);
1484 
1485 	ret = saa7164_cmd_send(bus->dev, unitid, SET_CUR,
1486 		EXU_REGISTER_ACCESS_CONTROL, len, &buf);
1487 	if (ret != SAA_OK)
1488 		printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret);
1489 
1490 	return ret == SAA_OK ? 0 : -EIO;
1491 }
1492 
saa7164_api_modify_gpio(struct saa7164_dev * dev,u8 unitid,u8 pin,u8 state)1493 static int saa7164_api_modify_gpio(struct saa7164_dev *dev, u8 unitid,
1494 	u8 pin, u8 state)
1495 {
1496 	int ret;
1497 	struct tmComResGPIO t;
1498 
1499 	dprintk(DBGLVL_API, "%s(0x%x, %d, %d)\n",
1500 		__func__, unitid, pin, state);
1501 
1502 	if ((pin > 7) || (state > 2))
1503 		return SAA_ERR_BAD_PARAMETER;
1504 
1505 	t.pin = pin;
1506 	t.state = state;
1507 
1508 	ret = saa7164_cmd_send(dev, unitid, SET_CUR,
1509 		EXU_GPIO_CONTROL, sizeof(t), &t);
1510 	if (ret != SAA_OK)
1511 		printk(KERN_ERR "%s() error, ret = 0x%x\n",
1512 			__func__, ret);
1513 
1514 	return ret;
1515 }
1516 
saa7164_api_set_gpiobit(struct saa7164_dev * dev,u8 unitid,u8 pin)1517 int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid,
1518 	u8 pin)
1519 {
1520 	return saa7164_api_modify_gpio(dev, unitid, pin, 1);
1521 }
1522 
saa7164_api_clear_gpiobit(struct saa7164_dev * dev,u8 unitid,u8 pin)1523 int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid,
1524 	u8 pin)
1525 {
1526 	return saa7164_api_modify_gpio(dev, unitid, pin, 0);
1527 }
1528 
1529