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
13int 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
37int 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
65int 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
91int 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
154static 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
173int 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
232int 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
310int 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
354int 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
388int 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
422int 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
457int 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 */
474int 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
530int 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
569int 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
592int 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
608static 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 */
666int 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 */
729int 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
767int 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
785int 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
797int 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
810static 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
846static int
847saa7164_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
881static int
882saa7164_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
915static 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
1310int 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
1346out:
1347	kfree(buf);
1348	return ret;
1349}
1350
1351int 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 */
1412int 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
1477static 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
1501int 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
1507int 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