1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * cx2341x - generic code for cx23415/6/8 based devices
4 *
5 * Copyright (C) 2006 Hans Verkuil <hverkuil@xs4all.nl>
6 */
7
8
9#include <linux/module.h>
10#include <linux/errno.h>
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/types.h>
14#include <linux/videodev2.h>
15
16#include <media/tuner.h>
17#include <media/drv-intf/cx2341x.h>
18#include <media/v4l2-common.h>
19
20MODULE_DESCRIPTION("cx23415/6/8 driver");
21MODULE_AUTHOR("Hans Verkuil");
22MODULE_LICENSE("GPL");
23
24static int debug;
25module_param(debug, int, 0644);
26MODULE_PARM_DESC(debug, "Debug level (0-1)");
27
28/********************** COMMON CODE *********************/
29
30/* definitions for audio properties bits 29-28 */
31#define CX2341X_AUDIO_ENCODING_METHOD_MPEG	0
32#define CX2341X_AUDIO_ENCODING_METHOD_AC3	1
33#define CX2341X_AUDIO_ENCODING_METHOD_LPCM	2
34
35static const char *cx2341x_get_name(u32 id)
36{
37	switch (id) {
38	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
39		return "Spatial Filter Mode";
40	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
41		return "Spatial Filter";
42	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
43		return "Spatial Luma Filter Type";
44	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
45		return "Spatial Chroma Filter Type";
46	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
47		return "Temporal Filter Mode";
48	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
49		return "Temporal Filter";
50	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
51		return "Median Filter Type";
52	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
53		return "Median Luma Filter Maximum";
54	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
55		return "Median Luma Filter Minimum";
56	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
57		return "Median Chroma Filter Maximum";
58	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
59		return "Median Chroma Filter Minimum";
60	case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
61		return "Insert Navigation Packets";
62	}
63	return NULL;
64}
65
66static const char **cx2341x_get_menu(u32 id)
67{
68	static const char *cx2341x_video_spatial_filter_mode_menu[] = {
69		"Manual",
70		"Auto",
71		NULL
72	};
73
74	static const char *cx2341x_video_luma_spatial_filter_type_menu[] = {
75		"Off",
76		"1D Horizontal",
77		"1D Vertical",
78		"2D H/V Separable",
79		"2D Symmetric non-separable",
80		NULL
81	};
82
83	static const char *cx2341x_video_chroma_spatial_filter_type_menu[] = {
84		"Off",
85		"1D Horizontal",
86		NULL
87	};
88
89	static const char *cx2341x_video_temporal_filter_mode_menu[] = {
90		"Manual",
91		"Auto",
92		NULL
93	};
94
95	static const char *cx2341x_video_median_filter_type_menu[] = {
96		"Off",
97		"Horizontal",
98		"Vertical",
99		"Horizontal/Vertical",
100		"Diagonal",
101		NULL
102	};
103
104	switch (id) {
105	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
106		return cx2341x_video_spatial_filter_mode_menu;
107	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
108		return cx2341x_video_luma_spatial_filter_type_menu;
109	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
110		return cx2341x_video_chroma_spatial_filter_type_menu;
111	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
112		return cx2341x_video_temporal_filter_mode_menu;
113	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
114		return cx2341x_video_median_filter_type_menu;
115	}
116	return NULL;
117}
118
119static void cx2341x_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
120		    s32 *min, s32 *max, s32 *step, s32 *def, u32 *flags)
121{
122	*name = cx2341x_get_name(id);
123	*flags = 0;
124
125	switch (id) {
126	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
127	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
128	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
129	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
130	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
131		*type = V4L2_CTRL_TYPE_MENU;
132		*min = 0;
133		*step = 0;
134		break;
135	case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
136		*type = V4L2_CTRL_TYPE_BOOLEAN;
137		*min = 0;
138		*max = *step = 1;
139		break;
140	default:
141		*type = V4L2_CTRL_TYPE_INTEGER;
142		break;
143	}
144	switch (id) {
145	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
146	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
147	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
148		*flags |= V4L2_CTRL_FLAG_UPDATE;
149		break;
150	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
151	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
152	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
153	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
154	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
155	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
156		*flags |= V4L2_CTRL_FLAG_SLIDER;
157		break;
158	case V4L2_CID_MPEG_VIDEO_ENCODING:
159		*flags |= V4L2_CTRL_FLAG_READ_ONLY;
160		break;
161	}
162}
163
164
165/********************** OLD CODE *********************/
166
167/* Must be sorted from low to high control ID! */
168const u32 cx2341x_mpeg_ctrls[] = {
169	V4L2_CID_CODEC_CLASS,
170	V4L2_CID_MPEG_STREAM_TYPE,
171	V4L2_CID_MPEG_STREAM_VBI_FMT,
172	V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
173	V4L2_CID_MPEG_AUDIO_ENCODING,
174	V4L2_CID_MPEG_AUDIO_L2_BITRATE,
175	V4L2_CID_MPEG_AUDIO_MODE,
176	V4L2_CID_MPEG_AUDIO_MODE_EXTENSION,
177	V4L2_CID_MPEG_AUDIO_EMPHASIS,
178	V4L2_CID_MPEG_AUDIO_CRC,
179	V4L2_CID_MPEG_AUDIO_MUTE,
180	V4L2_CID_MPEG_AUDIO_AC3_BITRATE,
181	V4L2_CID_MPEG_VIDEO_ENCODING,
182	V4L2_CID_MPEG_VIDEO_ASPECT,
183	V4L2_CID_MPEG_VIDEO_B_FRAMES,
184	V4L2_CID_MPEG_VIDEO_GOP_SIZE,
185	V4L2_CID_MPEG_VIDEO_GOP_CLOSURE,
186	V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
187	V4L2_CID_MPEG_VIDEO_BITRATE,
188	V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
189	V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION,
190	V4L2_CID_MPEG_VIDEO_MUTE,
191	V4L2_CID_MPEG_VIDEO_MUTE_YUV,
192	V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE,
193	V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER,
194	V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE,
195	V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE,
196	V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE,
197	V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER,
198	V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE,
199	V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM,
200	V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP,
201	V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM,
202	V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP,
203	V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS,
204	0
205};
206EXPORT_SYMBOL(cx2341x_mpeg_ctrls);
207
208static const struct cx2341x_mpeg_params default_params = {
209	/* misc */
210	.capabilities = 0,
211	.port = CX2341X_PORT_MEMORY,
212	.width = 720,
213	.height = 480,
214	.is_50hz = 0,
215
216	/* stream */
217	.stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
218	.stream_vbi_fmt = V4L2_MPEG_STREAM_VBI_FMT_NONE,
219	.stream_insert_nav_packets = 0,
220
221	/* audio */
222	.audio_sampling_freq = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
223	.audio_encoding = V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
224	.audio_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_224K,
225	.audio_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_224K,
226	.audio_mode = V4L2_MPEG_AUDIO_MODE_STEREO,
227	.audio_mode_extension = V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
228	.audio_emphasis = V4L2_MPEG_AUDIO_EMPHASIS_NONE,
229	.audio_crc = V4L2_MPEG_AUDIO_CRC_NONE,
230	.audio_mute = 0,
231
232	/* video */
233	.video_encoding = V4L2_MPEG_VIDEO_ENCODING_MPEG_2,
234	.video_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3,
235	.video_b_frames = 2,
236	.video_gop_size = 12,
237	.video_gop_closure = 1,
238	.video_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
239	.video_bitrate = 6000000,
240	.video_bitrate_peak = 8000000,
241	.video_temporal_decimation = 0,
242	.video_mute = 0,
243	.video_mute_yuv = 0x008080,  /* YCbCr value for black */
244
245	/* encoding filters */
246	.video_spatial_filter_mode =
247		V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL,
248	.video_spatial_filter = 0,
249	.video_luma_spatial_filter_type =
250		V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR,
251	.video_chroma_spatial_filter_type =
252		V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR,
253	.video_temporal_filter_mode =
254		V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL,
255	.video_temporal_filter = 8,
256	.video_median_filter_type =
257		V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF,
258	.video_luma_median_filter_top = 255,
259	.video_luma_median_filter_bottom = 0,
260	.video_chroma_median_filter_top = 255,
261	.video_chroma_median_filter_bottom = 0,
262};
263/* Map the control ID to the correct field in the cx2341x_mpeg_params
264   struct. Return -EINVAL if the ID is unknown, else return 0. */
265static int cx2341x_get_ctrl(const struct cx2341x_mpeg_params *params,
266		struct v4l2_ext_control *ctrl)
267{
268	switch (ctrl->id) {
269	case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
270		ctrl->value = params->audio_sampling_freq;
271		break;
272	case V4L2_CID_MPEG_AUDIO_ENCODING:
273		ctrl->value = params->audio_encoding;
274		break;
275	case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
276		ctrl->value = params->audio_l2_bitrate;
277		break;
278	case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
279		ctrl->value = params->audio_ac3_bitrate;
280		break;
281	case V4L2_CID_MPEG_AUDIO_MODE:
282		ctrl->value = params->audio_mode;
283		break;
284	case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
285		ctrl->value = params->audio_mode_extension;
286		break;
287	case V4L2_CID_MPEG_AUDIO_EMPHASIS:
288		ctrl->value = params->audio_emphasis;
289		break;
290	case V4L2_CID_MPEG_AUDIO_CRC:
291		ctrl->value = params->audio_crc;
292		break;
293	case V4L2_CID_MPEG_AUDIO_MUTE:
294		ctrl->value = params->audio_mute;
295		break;
296	case V4L2_CID_MPEG_VIDEO_ENCODING:
297		ctrl->value = params->video_encoding;
298		break;
299	case V4L2_CID_MPEG_VIDEO_ASPECT:
300		ctrl->value = params->video_aspect;
301		break;
302	case V4L2_CID_MPEG_VIDEO_B_FRAMES:
303		ctrl->value = params->video_b_frames;
304		break;
305	case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
306		ctrl->value = params->video_gop_size;
307		break;
308	case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
309		ctrl->value = params->video_gop_closure;
310		break;
311	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
312		ctrl->value = params->video_bitrate_mode;
313		break;
314	case V4L2_CID_MPEG_VIDEO_BITRATE:
315		ctrl->value = params->video_bitrate;
316		break;
317	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
318		ctrl->value = params->video_bitrate_peak;
319		break;
320	case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
321		ctrl->value = params->video_temporal_decimation;
322		break;
323	case V4L2_CID_MPEG_VIDEO_MUTE:
324		ctrl->value = params->video_mute;
325		break;
326	case V4L2_CID_MPEG_VIDEO_MUTE_YUV:
327		ctrl->value = params->video_mute_yuv;
328		break;
329	case V4L2_CID_MPEG_STREAM_TYPE:
330		ctrl->value = params->stream_type;
331		break;
332	case V4L2_CID_MPEG_STREAM_VBI_FMT:
333		ctrl->value = params->stream_vbi_fmt;
334		break;
335	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
336		ctrl->value = params->video_spatial_filter_mode;
337		break;
338	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
339		ctrl->value = params->video_spatial_filter;
340		break;
341	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
342		ctrl->value = params->video_luma_spatial_filter_type;
343		break;
344	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
345		ctrl->value = params->video_chroma_spatial_filter_type;
346		break;
347	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
348		ctrl->value = params->video_temporal_filter_mode;
349		break;
350	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
351		ctrl->value = params->video_temporal_filter;
352		break;
353	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
354		ctrl->value = params->video_median_filter_type;
355		break;
356	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
357		ctrl->value = params->video_luma_median_filter_top;
358		break;
359	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
360		ctrl->value = params->video_luma_median_filter_bottom;
361		break;
362	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
363		ctrl->value = params->video_chroma_median_filter_top;
364		break;
365	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
366		ctrl->value = params->video_chroma_median_filter_bottom;
367		break;
368	case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
369		ctrl->value = params->stream_insert_nav_packets;
370		break;
371	default:
372		return -EINVAL;
373	}
374	return 0;
375}
376
377/* Map the control ID to the correct field in the cx2341x_mpeg_params
378   struct. Return -EINVAL if the ID is unknown, else return 0. */
379static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, int busy,
380		struct v4l2_ext_control *ctrl)
381{
382	switch (ctrl->id) {
383	case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
384		if (busy)
385			return -EBUSY;
386		params->audio_sampling_freq = ctrl->value;
387		break;
388	case V4L2_CID_MPEG_AUDIO_ENCODING:
389		if (busy)
390			return -EBUSY;
391		if (params->capabilities & CX2341X_CAP_HAS_AC3)
392			if (ctrl->value != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 &&
393			    ctrl->value != V4L2_MPEG_AUDIO_ENCODING_AC3)
394				return -ERANGE;
395		params->audio_encoding = ctrl->value;
396		break;
397	case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
398		if (busy)
399			return -EBUSY;
400		params->audio_l2_bitrate = ctrl->value;
401		break;
402	case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
403		if (busy)
404			return -EBUSY;
405		if (!(params->capabilities & CX2341X_CAP_HAS_AC3))
406			return -EINVAL;
407		params->audio_ac3_bitrate = ctrl->value;
408		break;
409	case V4L2_CID_MPEG_AUDIO_MODE:
410		params->audio_mode = ctrl->value;
411		break;
412	case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
413		params->audio_mode_extension = ctrl->value;
414		break;
415	case V4L2_CID_MPEG_AUDIO_EMPHASIS:
416		params->audio_emphasis = ctrl->value;
417		break;
418	case V4L2_CID_MPEG_AUDIO_CRC:
419		params->audio_crc = ctrl->value;
420		break;
421	case V4L2_CID_MPEG_AUDIO_MUTE:
422		params->audio_mute = ctrl->value;
423		break;
424	case V4L2_CID_MPEG_VIDEO_ASPECT:
425		params->video_aspect = ctrl->value;
426		break;
427	case V4L2_CID_MPEG_VIDEO_B_FRAMES: {
428		int b = ctrl->value + 1;
429		int gop = params->video_gop_size;
430		params->video_b_frames = ctrl->value;
431		params->video_gop_size = b * ((gop + b - 1) / b);
432		/* Max GOP size = 34 */
433		while (params->video_gop_size > 34)
434			params->video_gop_size -= b;
435		break;
436	}
437	case V4L2_CID_MPEG_VIDEO_GOP_SIZE: {
438		int b = params->video_b_frames + 1;
439		int gop = ctrl->value;
440		params->video_gop_size = b * ((gop + b - 1) / b);
441		/* Max GOP size = 34 */
442		while (params->video_gop_size > 34)
443			params->video_gop_size -= b;
444		ctrl->value = params->video_gop_size;
445		break;
446	}
447	case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
448		params->video_gop_closure = ctrl->value;
449		break;
450	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
451		if (busy)
452			return -EBUSY;
453		/* MPEG-1 only allows CBR */
454		if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1 &&
455		    ctrl->value != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
456			return -EINVAL;
457		params->video_bitrate_mode = ctrl->value;
458		break;
459	case V4L2_CID_MPEG_VIDEO_BITRATE:
460		if (busy)
461			return -EBUSY;
462		params->video_bitrate = ctrl->value;
463		break;
464	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
465		if (busy)
466			return -EBUSY;
467		params->video_bitrate_peak = ctrl->value;
468		break;
469	case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
470		params->video_temporal_decimation = ctrl->value;
471		break;
472	case V4L2_CID_MPEG_VIDEO_MUTE:
473		params->video_mute = (ctrl->value != 0);
474		break;
475	case V4L2_CID_MPEG_VIDEO_MUTE_YUV:
476		params->video_mute_yuv = ctrl->value;
477		break;
478	case V4L2_CID_MPEG_STREAM_TYPE:
479		if (busy)
480			return -EBUSY;
481		params->stream_type = ctrl->value;
482		params->video_encoding =
483		    (params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_SS ||
484		     params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_VCD) ?
485			V4L2_MPEG_VIDEO_ENCODING_MPEG_1 :
486			V4L2_MPEG_VIDEO_ENCODING_MPEG_2;
487		if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
488			/* MPEG-1 implies CBR */
489			params->video_bitrate_mode =
490				V4L2_MPEG_VIDEO_BITRATE_MODE_CBR;
491		break;
492	case V4L2_CID_MPEG_STREAM_VBI_FMT:
493		params->stream_vbi_fmt = ctrl->value;
494		break;
495	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
496		params->video_spatial_filter_mode = ctrl->value;
497		break;
498	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
499		params->video_spatial_filter = ctrl->value;
500		break;
501	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
502		params->video_luma_spatial_filter_type = ctrl->value;
503		break;
504	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
505		params->video_chroma_spatial_filter_type = ctrl->value;
506		break;
507	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
508		params->video_temporal_filter_mode = ctrl->value;
509		break;
510	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
511		params->video_temporal_filter = ctrl->value;
512		break;
513	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
514		params->video_median_filter_type = ctrl->value;
515		break;
516	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
517		params->video_luma_median_filter_top = ctrl->value;
518		break;
519	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
520		params->video_luma_median_filter_bottom = ctrl->value;
521		break;
522	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
523		params->video_chroma_median_filter_top = ctrl->value;
524		break;
525	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
526		params->video_chroma_median_filter_bottom = ctrl->value;
527		break;
528	case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
529		params->stream_insert_nav_packets = ctrl->value;
530		break;
531	default:
532		return -EINVAL;
533	}
534	return 0;
535}
536
537static int cx2341x_ctrl_query_fill(struct v4l2_queryctrl *qctrl,
538				   s32 min, s32 max, s32 step, s32 def)
539{
540	const char *name;
541
542	switch (qctrl->id) {
543	/* MPEG controls */
544	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
545	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
546	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
547	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
548	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
549	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
550	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
551	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
552	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
553	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
554	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
555	case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
556		cx2341x_ctrl_fill(qctrl->id, &name, &qctrl->type,
557				&min, &max, &step, &def, &qctrl->flags);
558		qctrl->minimum = min;
559		qctrl->maximum = max;
560		qctrl->step = step;
561		qctrl->default_value = def;
562		qctrl->reserved[0] = qctrl->reserved[1] = 0;
563		strscpy(qctrl->name, name, sizeof(qctrl->name));
564		return 0;
565
566	default:
567		return v4l2_ctrl_query_fill(qctrl, min, max, step, def);
568	}
569}
570
571int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params,
572		       struct v4l2_queryctrl *qctrl)
573{
574	int err;
575
576	switch (qctrl->id) {
577	case V4L2_CID_CODEC_CLASS:
578		return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
579	case V4L2_CID_MPEG_STREAM_TYPE:
580		return v4l2_ctrl_query_fill(qctrl,
581				V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
582				V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1,
583				V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
584
585	case V4L2_CID_MPEG_STREAM_VBI_FMT:
586		if (params->capabilities & CX2341X_CAP_HAS_SLICED_VBI)
587			return v4l2_ctrl_query_fill(qctrl,
588					V4L2_MPEG_STREAM_VBI_FMT_NONE,
589					V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1,
590					V4L2_MPEG_STREAM_VBI_FMT_NONE);
591		return cx2341x_ctrl_query_fill(qctrl,
592				V4L2_MPEG_STREAM_VBI_FMT_NONE,
593				V4L2_MPEG_STREAM_VBI_FMT_NONE, 1,
594				default_params.stream_vbi_fmt);
595
596	case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
597		return v4l2_ctrl_query_fill(qctrl,
598				V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100,
599				V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1,
600				V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
601
602	case V4L2_CID_MPEG_AUDIO_ENCODING:
603		if (params->capabilities & CX2341X_CAP_HAS_AC3) {
604			/*
605			 * The state of L2 & AC3 bitrate controls can change
606			 * when this control changes, but v4l2_ctrl_query_fill()
607			 * already sets V4L2_CTRL_FLAG_UPDATE for
608			 * V4L2_CID_MPEG_AUDIO_ENCODING, so we don't here.
609			 */
610			return v4l2_ctrl_query_fill(qctrl,
611					V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
612					V4L2_MPEG_AUDIO_ENCODING_AC3, 1,
613					default_params.audio_encoding);
614		}
615
616		return v4l2_ctrl_query_fill(qctrl,
617				V4L2_MPEG_AUDIO_ENCODING_LAYER_2,
618				V4L2_MPEG_AUDIO_ENCODING_LAYER_2, 1,
619				default_params.audio_encoding);
620
621	case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
622		err = v4l2_ctrl_query_fill(qctrl,
623				V4L2_MPEG_AUDIO_L2_BITRATE_192K,
624				V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
625				default_params.audio_l2_bitrate);
626		if (err)
627			return err;
628		if (params->capabilities & CX2341X_CAP_HAS_AC3 &&
629		    params->audio_encoding != V4L2_MPEG_AUDIO_ENCODING_LAYER_2)
630			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
631		return 0;
632
633	case V4L2_CID_MPEG_AUDIO_MODE:
634		return v4l2_ctrl_query_fill(qctrl,
635				V4L2_MPEG_AUDIO_MODE_STEREO,
636				V4L2_MPEG_AUDIO_MODE_MONO, 1,
637				V4L2_MPEG_AUDIO_MODE_STEREO);
638
639	case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
640		err = v4l2_ctrl_query_fill(qctrl,
641				V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
642				V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1,
643				V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
644		if (err == 0 &&
645		    params->audio_mode != V4L2_MPEG_AUDIO_MODE_JOINT_STEREO)
646			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
647		return err;
648
649	case V4L2_CID_MPEG_AUDIO_EMPHASIS:
650		return v4l2_ctrl_query_fill(qctrl,
651				V4L2_MPEG_AUDIO_EMPHASIS_NONE,
652				V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1,
653				V4L2_MPEG_AUDIO_EMPHASIS_NONE);
654
655	case V4L2_CID_MPEG_AUDIO_CRC:
656		return v4l2_ctrl_query_fill(qctrl,
657				V4L2_MPEG_AUDIO_CRC_NONE,
658				V4L2_MPEG_AUDIO_CRC_CRC16, 1,
659				V4L2_MPEG_AUDIO_CRC_NONE);
660
661	case V4L2_CID_MPEG_AUDIO_MUTE:
662		return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
663
664	case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
665		err = v4l2_ctrl_query_fill(qctrl,
666				V4L2_MPEG_AUDIO_AC3_BITRATE_48K,
667				V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 1,
668				default_params.audio_ac3_bitrate);
669		if (err)
670			return err;
671		if (params->capabilities & CX2341X_CAP_HAS_AC3) {
672			if (params->audio_encoding !=
673						   V4L2_MPEG_AUDIO_ENCODING_AC3)
674				qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
675		} else
676			qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
677		return 0;
678
679	case V4L2_CID_MPEG_VIDEO_ENCODING:
680		/* this setting is read-only for the cx2341x since the
681		   V4L2_CID_MPEG_STREAM_TYPE really determines the
682		   MPEG-1/2 setting */
683		err = v4l2_ctrl_query_fill(qctrl,
684					   V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
685					   V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1,
686					   V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
687		if (err == 0)
688			qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY;
689		return err;
690
691	case V4L2_CID_MPEG_VIDEO_ASPECT:
692		return v4l2_ctrl_query_fill(qctrl,
693				V4L2_MPEG_VIDEO_ASPECT_1x1,
694				V4L2_MPEG_VIDEO_ASPECT_221x100, 1,
695				V4L2_MPEG_VIDEO_ASPECT_4x3);
696
697	case V4L2_CID_MPEG_VIDEO_B_FRAMES:
698		return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2);
699
700	case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
701		return v4l2_ctrl_query_fill(qctrl, 1, 34, 1,
702				params->is_50hz ? 12 : 15);
703
704	case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
705		return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
706
707	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
708		err = v4l2_ctrl_query_fill(qctrl,
709				V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
710				V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
711				V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
712		if (err == 0 &&
713		    params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
714			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
715		return err;
716
717	case V4L2_CID_MPEG_VIDEO_BITRATE:
718		return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
719
720	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
721		err = v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
722		if (err == 0 &&
723		    params->video_bitrate_mode ==
724				V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
725			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
726		return err;
727
728	case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
729		return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
730
731	case V4L2_CID_MPEG_VIDEO_MUTE:
732		return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
733
734	case V4L2_CID_MPEG_VIDEO_MUTE_YUV:  /* Init YUV (really YCbCr) to black */
735		return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080);
736
737	/* CX23415/6 specific */
738	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
739		return cx2341x_ctrl_query_fill(qctrl,
740			V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL,
741			V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, 1,
742			default_params.video_spatial_filter_mode);
743
744	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
745		cx2341x_ctrl_query_fill(qctrl, 0, 15, 1,
746				default_params.video_spatial_filter);
747		qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
748		if (params->video_spatial_filter_mode ==
749			    V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO)
750			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
751		return 0;
752
753	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
754		cx2341x_ctrl_query_fill(qctrl,
755			V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF,
756			V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE,
757			1,
758			default_params.video_luma_spatial_filter_type);
759		if (params->video_spatial_filter_mode ==
760			    V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO)
761			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
762		return 0;
763
764	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
765		cx2341x_ctrl_query_fill(qctrl,
766		    V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF,
767		    V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR,
768		    1,
769		    default_params.video_chroma_spatial_filter_type);
770		if (params->video_spatial_filter_mode ==
771			V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO)
772			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
773		return 0;
774
775	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
776		return cx2341x_ctrl_query_fill(qctrl,
777			V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL,
778			V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO, 1,
779			default_params.video_temporal_filter_mode);
780
781	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER:
782		cx2341x_ctrl_query_fill(qctrl, 0, 31, 1,
783				default_params.video_temporal_filter);
784		qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
785		if (params->video_temporal_filter_mode ==
786			V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO)
787			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
788		return 0;
789
790	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
791		return cx2341x_ctrl_query_fill(qctrl,
792			V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF,
793			V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG, 1,
794			default_params.video_median_filter_type);
795
796	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
797		cx2341x_ctrl_query_fill(qctrl, 0, 255, 1,
798				default_params.video_luma_median_filter_top);
799		qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
800		if (params->video_median_filter_type ==
801				V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF)
802			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
803		return 0;
804
805	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM:
806		cx2341x_ctrl_query_fill(qctrl, 0, 255, 1,
807				default_params.video_luma_median_filter_bottom);
808		qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
809		if (params->video_median_filter_type ==
810				V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF)
811			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
812		return 0;
813
814	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP:
815		cx2341x_ctrl_query_fill(qctrl, 0, 255, 1,
816				default_params.video_chroma_median_filter_top);
817		qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
818		if (params->video_median_filter_type ==
819				V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF)
820			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
821		return 0;
822
823	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
824		cx2341x_ctrl_query_fill(qctrl, 0, 255, 1,
825			default_params.video_chroma_median_filter_bottom);
826		qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
827		if (params->video_median_filter_type ==
828				V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF)
829			qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
830		return 0;
831
832	case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
833		return cx2341x_ctrl_query_fill(qctrl, 0, 1, 1,
834				default_params.stream_insert_nav_packets);
835
836	default:
837		return -EINVAL;
838
839	}
840}
841EXPORT_SYMBOL(cx2341x_ctrl_query);
842
843const char * const *cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id)
844{
845	static const char * const mpeg_stream_type_without_ts[] = {
846		"MPEG-2 Program Stream",
847		"",
848		"MPEG-1 System Stream",
849		"MPEG-2 DVD-compatible Stream",
850		"MPEG-1 VCD-compatible Stream",
851		"MPEG-2 SVCD-compatible Stream",
852		NULL
853	};
854
855	static const char *mpeg_stream_type_with_ts[] = {
856		"MPEG-2 Program Stream",
857		"MPEG-2 Transport Stream",
858		"MPEG-1 System Stream",
859		"MPEG-2 DVD-compatible Stream",
860		"MPEG-1 VCD-compatible Stream",
861		"MPEG-2 SVCD-compatible Stream",
862		NULL
863	};
864
865	static const char *mpeg_audio_encoding_l2_ac3[] = {
866		"",
867		"MPEG-1/2 Layer II",
868		"",
869		"",
870		"AC-3",
871		NULL
872	};
873
874	switch (id) {
875	case V4L2_CID_MPEG_STREAM_TYPE:
876		return (p->capabilities & CX2341X_CAP_HAS_TS) ?
877			mpeg_stream_type_with_ts : mpeg_stream_type_without_ts;
878	case V4L2_CID_MPEG_AUDIO_ENCODING:
879		return (p->capabilities & CX2341X_CAP_HAS_AC3) ?
880			mpeg_audio_encoding_l2_ac3 : v4l2_ctrl_get_menu(id);
881	case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
882	case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
883		return NULL;
884	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE:
885	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
886	case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE:
887	case V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE:
888	case V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE:
889		return cx2341x_get_menu(id);
890	default:
891		return v4l2_ctrl_get_menu(id);
892	}
893}
894EXPORT_SYMBOL(cx2341x_ctrl_get_menu);
895
896static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params)
897{
898	params->audio_properties =
899		(params->audio_sampling_freq << 0) |
900		(params->audio_mode << 8) |
901		(params->audio_mode_extension << 10) |
902		(((params->audio_emphasis == V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17)
903		  ? 3 : params->audio_emphasis) << 12) |
904		(params->audio_crc << 14);
905
906	if ((params->capabilities & CX2341X_CAP_HAS_AC3) &&
907	    params->audio_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) {
908		params->audio_properties |=
909			/* Not sure if this MPEG Layer II setting is required */
910			((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) |
911			(params->audio_ac3_bitrate << 4) |
912			(CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28);
913	} else {
914		/* Assuming MPEG Layer II */
915		params->audio_properties |=
916			((3 - params->audio_encoding) << 2) |
917			((1 + params->audio_l2_bitrate) << 4);
918	}
919}
920
921/* Check for correctness of the ctrl's value based on the data from
922   struct v4l2_queryctrl and the available menu items. Note that
923   menu_items may be NULL, in that case it is ignored. */
924static int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
925		const char * const *menu_items)
926{
927	if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED)
928		return -EINVAL;
929	if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED)
930		return -EBUSY;
931	if (qctrl->type == V4L2_CTRL_TYPE_STRING)
932		return 0;
933	if (qctrl->type == V4L2_CTRL_TYPE_BUTTON ||
934	    qctrl->type == V4L2_CTRL_TYPE_INTEGER64 ||
935	    qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS)
936		return 0;
937	if (ctrl->value < qctrl->minimum || ctrl->value > qctrl->maximum)
938		return -ERANGE;
939	if (qctrl->type == V4L2_CTRL_TYPE_MENU && menu_items != NULL) {
940		if (menu_items[ctrl->value] == NULL ||
941		    menu_items[ctrl->value][0] == '\0')
942			return -EINVAL;
943	}
944	if (qctrl->type == V4L2_CTRL_TYPE_BITMASK &&
945			(ctrl->value & ~qctrl->maximum))
946		return -ERANGE;
947	return 0;
948}
949
950int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy,
951		  struct v4l2_ext_controls *ctrls, unsigned int cmd)
952{
953	int err = 0;
954	int i;
955
956	if (cmd == VIDIOC_G_EXT_CTRLS) {
957		for (i = 0; i < ctrls->count; i++) {
958			struct v4l2_ext_control *ctrl = ctrls->controls + i;
959
960			err = cx2341x_get_ctrl(params, ctrl);
961			if (err) {
962				ctrls->error_idx = i;
963				break;
964			}
965		}
966		return err;
967	}
968	for (i = 0; i < ctrls->count; i++) {
969		struct v4l2_ext_control *ctrl = ctrls->controls + i;
970		struct v4l2_queryctrl qctrl;
971		const char * const *menu_items = NULL;
972
973		qctrl.id = ctrl->id;
974		err = cx2341x_ctrl_query(params, &qctrl);
975		if (err)
976			break;
977		if (qctrl.type == V4L2_CTRL_TYPE_MENU)
978			menu_items = cx2341x_ctrl_get_menu(params, qctrl.id);
979		err = v4l2_ctrl_check(ctrl, &qctrl, menu_items);
980		if (err)
981			break;
982		err = cx2341x_set_ctrl(params, busy, ctrl);
983		if (err)
984			break;
985	}
986	if (err == 0 &&
987	    params->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
988	    params->video_bitrate_peak < params->video_bitrate) {
989		err = -ERANGE;
990		ctrls->error_idx = ctrls->count;
991	}
992	if (err)
993		ctrls->error_idx = i;
994	else
995		cx2341x_calc_audio_properties(params);
996	return err;
997}
998EXPORT_SYMBOL(cx2341x_ext_ctrls);
999
1000void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p)
1001{
1002	*p = default_params;
1003	cx2341x_calc_audio_properties(p);
1004}
1005EXPORT_SYMBOL(cx2341x_fill_defaults);
1006
1007static int cx2341x_api(void *priv, cx2341x_mbox_func func,
1008		       u32 cmd, int args, ...)
1009{
1010	u32 data[CX2341X_MBOX_MAX_DATA];
1011	va_list vargs;
1012	int i;
1013
1014	va_start(vargs, args);
1015
1016	for (i = 0; i < args; i++)
1017		data[i] = va_arg(vargs, int);
1018	va_end(vargs);
1019	return func(priv, cmd, args, 0, data);
1020}
1021
1022#define CMP_FIELD(__old, __new, __field) (__old->__field != __new->__field)
1023
1024int cx2341x_update(void *priv, cx2341x_mbox_func func,
1025		   const struct cx2341x_mpeg_params *old,
1026		   const struct cx2341x_mpeg_params *new)
1027{
1028	static int mpeg_stream_type[] = {
1029		0,	/* MPEG-2 PS */
1030		1,	/* MPEG-2 TS */
1031		2,	/* MPEG-1 SS */
1032		14,	/* DVD */
1033		11,	/* VCD */
1034		12,	/* SVCD */
1035	};
1036	int err;
1037
1038	cx2341x_api(priv, func, CX2341X_ENC_SET_OUTPUT_PORT, 2, new->port, 0);
1039
1040	if (!old ||
1041	    CMP_FIELD(old, new, is_50hz)) {
1042		err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_RATE, 1,
1043				  new->is_50hz);
1044		if (err)
1045			return err;
1046	}
1047
1048	if (!old ||
1049	    CMP_FIELD(old, new, width) ||
1050	    CMP_FIELD(old, new, height) ||
1051	    CMP_FIELD(old, new, video_encoding)) {
1052		u16 w = new->width;
1053		u16 h = new->height;
1054
1055		if (new->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) {
1056			w /= 2;
1057			h /= 2;
1058		}
1059		err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_SIZE, 2,
1060				  h, w);
1061		if (err)
1062			return err;
1063	}
1064	if (!old ||
1065	    CMP_FIELD(old, new, stream_type)) {
1066		err = cx2341x_api(priv, func, CX2341X_ENC_SET_STREAM_TYPE, 1,
1067				  mpeg_stream_type[new->stream_type]);
1068		if (err)
1069			return err;
1070	}
1071	if (!old ||
1072	    CMP_FIELD(old, new, video_aspect)) {
1073		err = cx2341x_api(priv, func, CX2341X_ENC_SET_ASPECT_RATIO, 1,
1074				  1 + new->video_aspect);
1075		if (err)
1076			return err;
1077	}
1078	if (!old ||
1079	    CMP_FIELD(old, new, video_b_frames) ||
1080	    CMP_FIELD(old, new, video_gop_size)) {
1081		err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_PROPERTIES, 2,
1082				  new->video_gop_size, new->video_b_frames + 1);
1083		if (err)
1084			return err;
1085	}
1086	if (!old ||
1087	    CMP_FIELD(old, new, video_gop_closure)) {
1088		err = cx2341x_api(priv, func, CX2341X_ENC_SET_GOP_CLOSURE, 1,
1089				  new->video_gop_closure);
1090		if (err)
1091			return err;
1092	}
1093	if (!old ||
1094	    CMP_FIELD(old, new, audio_properties)) {
1095		err = cx2341x_api(priv, func, CX2341X_ENC_SET_AUDIO_PROPERTIES,
1096				  1, new->audio_properties);
1097		if (err)
1098			return err;
1099	}
1100	if (!old ||
1101	    CMP_FIELD(old, new, audio_mute)) {
1102		err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_AUDIO, 1,
1103				  new->audio_mute);
1104		if (err)
1105			return err;
1106	}
1107	if (!old ||
1108	    CMP_FIELD(old, new, video_bitrate_mode) ||
1109	    CMP_FIELD(old, new, video_bitrate) ||
1110	    CMP_FIELD(old, new, video_bitrate_peak)) {
1111		err = cx2341x_api(priv, func, CX2341X_ENC_SET_BIT_RATE, 5,
1112				  new->video_bitrate_mode, new->video_bitrate,
1113				  new->video_bitrate_peak / 400, 0, 0);
1114		if (err)
1115			return err;
1116	}
1117	if (!old ||
1118	    CMP_FIELD(old, new, video_spatial_filter_mode) ||
1119	    CMP_FIELD(old, new, video_temporal_filter_mode) ||
1120	    CMP_FIELD(old, new, video_median_filter_type)) {
1121		err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_MODE,
1122				  2,
1123				  new->video_spatial_filter_mode |
1124					(new->video_temporal_filter_mode << 1),
1125				  new->video_median_filter_type);
1126		if (err)
1127			return err;
1128	}
1129	if (!old ||
1130	    CMP_FIELD(old, new, video_luma_median_filter_bottom) ||
1131	    CMP_FIELD(old, new, video_luma_median_filter_top) ||
1132	    CMP_FIELD(old, new, video_chroma_median_filter_bottom) ||
1133	    CMP_FIELD(old, new, video_chroma_median_filter_top)) {
1134		err = cx2341x_api(priv, func, CX2341X_ENC_SET_CORING_LEVELS, 4,
1135				  new->video_luma_median_filter_bottom,
1136				  new->video_luma_median_filter_top,
1137				  new->video_chroma_median_filter_bottom,
1138				  new->video_chroma_median_filter_top);
1139		if (err)
1140			return err;
1141	}
1142	if (!old ||
1143	    CMP_FIELD(old, new, video_luma_spatial_filter_type) ||
1144	    CMP_FIELD(old, new, video_chroma_spatial_filter_type)) {
1145		err = cx2341x_api(priv, func,
1146				  CX2341X_ENC_SET_SPATIAL_FILTER_TYPE,
1147				  2, new->video_luma_spatial_filter_type,
1148				  new->video_chroma_spatial_filter_type);
1149		if (err)
1150			return err;
1151	}
1152	if (!old ||
1153	    CMP_FIELD(old, new, video_spatial_filter) ||
1154	    CMP_FIELD(old, new, video_temporal_filter)) {
1155		err = cx2341x_api(priv, func, CX2341X_ENC_SET_DNR_FILTER_PROPS,
1156				  2, new->video_spatial_filter,
1157				  new->video_temporal_filter);
1158		if (err)
1159			return err;
1160	}
1161	if (!old ||
1162	    CMP_FIELD(old, new, video_temporal_decimation)) {
1163		err = cx2341x_api(priv, func, CX2341X_ENC_SET_FRAME_DROP_RATE,
1164				  1, new->video_temporal_decimation);
1165		if (err)
1166			return err;
1167	}
1168	if (!old ||
1169	    CMP_FIELD(old, new, video_mute) ||
1170	    (new->video_mute && CMP_FIELD(old, new, video_mute_yuv))) {
1171		err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_VIDEO, 1,
1172				  new->video_mute | (new->video_mute_yuv << 8));
1173		if (err)
1174			return err;
1175	}
1176	if (!old ||
1177	    CMP_FIELD(old, new, stream_insert_nav_packets)) {
1178		err = cx2341x_api(priv, func, CX2341X_ENC_MISC, 2,
1179				  7, new->stream_insert_nav_packets);
1180		if (err)
1181			return err;
1182	}
1183	return 0;
1184}
1185EXPORT_SYMBOL(cx2341x_update);
1186
1187static const char *cx2341x_menu_item(const struct cx2341x_mpeg_params *p, u32 id)
1188{
1189	const char * const *menu = cx2341x_ctrl_get_menu(p, id);
1190	struct v4l2_ext_control ctrl;
1191
1192	if (menu == NULL)
1193		goto invalid;
1194	ctrl.id = id;
1195	if (cx2341x_get_ctrl(p, &ctrl))
1196		goto invalid;
1197	while (ctrl.value-- && *menu) menu++;
1198	if (*menu == NULL)
1199		goto invalid;
1200	return *menu;
1201
1202invalid:
1203	return "<invalid>";
1204}
1205
1206void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix)
1207{
1208	int is_mpeg1 = p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1;
1209
1210	/* Stream */
1211	printk(KERN_INFO "%s: Stream: %s",
1212		prefix,
1213		cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_TYPE));
1214	if (p->stream_insert_nav_packets)
1215		printk(KERN_CONT " (with navigation packets)");
1216	printk(KERN_CONT "\n");
1217	printk(KERN_INFO "%s: VBI Format: %s\n",
1218		prefix,
1219		cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_VBI_FMT));
1220
1221	/* Video */
1222	printk(KERN_INFO "%s: Video:  %dx%d, %d fps%s\n",
1223		prefix,
1224		p->width / (is_mpeg1 ? 2 : 1), p->height / (is_mpeg1 ? 2 : 1),
1225		p->is_50hz ? 25 : 30,
1226		(p->video_mute) ? " (muted)" : "");
1227	printk(KERN_INFO "%s: Video:  %s, %s, %s, %d",
1228		prefix,
1229		cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ENCODING),
1230		cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ASPECT),
1231		cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_BITRATE_MODE),
1232		p->video_bitrate);
1233	if (p->video_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
1234		printk(KERN_CONT ", Peak %d", p->video_bitrate_peak);
1235	printk(KERN_CONT "\n");
1236	printk(KERN_INFO
1237		"%s: Video:  GOP Size %d, %d B-Frames, %sGOP Closure\n",
1238		prefix,
1239		p->video_gop_size, p->video_b_frames,
1240		p->video_gop_closure ? "" : "No ");
1241	if (p->video_temporal_decimation)
1242		printk(KERN_INFO "%s: Video: Temporal Decimation %d\n",
1243			prefix, p->video_temporal_decimation);
1244
1245	/* Audio */
1246	printk(KERN_INFO "%s: Audio:  %s, %s, %s, %s%s",
1247		prefix,
1248		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ),
1249		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_ENCODING),
1250		cx2341x_menu_item(p,
1251			   p->audio_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3
1252					      ? V4L2_CID_MPEG_AUDIO_AC3_BITRATE
1253					      : V4L2_CID_MPEG_AUDIO_L2_BITRATE),
1254		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE),
1255		p->audio_mute ? " (muted)" : "");
1256	if (p->audio_mode == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO)
1257		printk(KERN_CONT ", %s", cx2341x_menu_item(p,
1258				V4L2_CID_MPEG_AUDIO_MODE_EXTENSION));
1259	printk(KERN_CONT ", %s, %s\n",
1260		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_EMPHASIS),
1261		cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_CRC));
1262
1263	/* Encoding filters */
1264	printk(KERN_INFO "%s: Spatial Filter:  %s, Luma %s, Chroma %s, %d\n",
1265		prefix,
1266		cx2341x_menu_item(p,
1267		    V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE),
1268		cx2341x_menu_item(p,
1269		    V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE),
1270		cx2341x_menu_item(p,
1271		    V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE),
1272		p->video_spatial_filter);
1273
1274	printk(KERN_INFO "%s: Temporal Filter: %s, %d\n",
1275		prefix,
1276		cx2341x_menu_item(p,
1277			V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE),
1278		p->video_temporal_filter);
1279	printk(KERN_INFO
1280		"%s: Median Filter:   %s, Luma [%d, %d], Chroma [%d, %d]\n",
1281		prefix,
1282		cx2341x_menu_item(p,
1283			V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE),
1284		p->video_luma_median_filter_bottom,
1285		p->video_luma_median_filter_top,
1286		p->video_chroma_median_filter_bottom,
1287		p->video_chroma_median_filter_top);
1288}
1289EXPORT_SYMBOL(cx2341x_log_status);
1290
1291
1292
1293/********************** NEW CODE *********************/
1294
1295static inline struct cx2341x_handler *to_cxhdl(struct v4l2_ctrl *ctrl)
1296{
1297	return container_of(ctrl->handler, struct cx2341x_handler, hdl);
1298}
1299
1300static int cx2341x_hdl_api(struct cx2341x_handler *hdl,
1301		       u32 cmd, int args, ...)
1302{
1303	u32 data[CX2341X_MBOX_MAX_DATA];
1304	va_list vargs;
1305	int i;
1306
1307	va_start(vargs, args);
1308
1309	for (i = 0; i < args; i++)
1310		data[i] = va_arg(vargs, int);
1311	va_end(vargs);
1312	return hdl->func(hdl->priv, cmd, args, 0, data);
1313}
1314
1315/* ctrl->handler->lock is held, so it is safe to access cur.val */
1316static inline int cx2341x_neq(struct v4l2_ctrl *ctrl)
1317{
1318	return ctrl && ctrl->val != ctrl->cur.val;
1319}
1320
1321static int cx2341x_try_ctrl(struct v4l2_ctrl *ctrl)
1322{
1323	struct cx2341x_handler *hdl = to_cxhdl(ctrl);
1324	s32 val = ctrl->val;
1325
1326	switch (ctrl->id) {
1327	case V4L2_CID_MPEG_VIDEO_B_FRAMES: {
1328		/* video gop cluster */
1329		int b = val + 1;
1330		int gop = hdl->video_gop_size->val;
1331
1332		gop = b * ((gop + b - 1) / b);
1333
1334		/* Max GOP size = 34 */
1335		while (gop > 34)
1336			gop -= b;
1337		hdl->video_gop_size->val = gop;
1338		break;
1339	}
1340
1341	case V4L2_CID_MPEG_STREAM_TYPE:
1342		/* stream type cluster */
1343		hdl->video_encoding->val =
1344		    (hdl->stream_type->val == V4L2_MPEG_STREAM_TYPE_MPEG1_SS ||
1345		     hdl->stream_type->val == V4L2_MPEG_STREAM_TYPE_MPEG1_VCD) ?
1346			V4L2_MPEG_VIDEO_ENCODING_MPEG_1 :
1347			V4L2_MPEG_VIDEO_ENCODING_MPEG_2;
1348		if (hdl->video_encoding->val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
1349			/* MPEG-1 implies CBR */
1350			hdl->video_bitrate_mode->val =
1351				V4L2_MPEG_VIDEO_BITRATE_MODE_CBR;
1352		/* peak bitrate shall be >= normal bitrate */
1353		if (hdl->video_bitrate_mode->val == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
1354		    hdl->video_bitrate_peak->val < hdl->video_bitrate->val)
1355			hdl->video_bitrate_peak->val = hdl->video_bitrate->val;
1356		break;
1357	}
1358	return 0;
1359}
1360
1361static int cx2341x_s_ctrl(struct v4l2_ctrl *ctrl)
1362{
1363	static const int mpeg_stream_type[] = {
1364		0,	/* MPEG-2 PS */
1365		1,	/* MPEG-2 TS */
1366		2,	/* MPEG-1 SS */
1367		14,	/* DVD */
1368		11,	/* VCD */
1369		12,	/* SVCD */
1370	};
1371	struct cx2341x_handler *hdl = to_cxhdl(ctrl);
1372	s32 val = ctrl->val;
1373	u32 props;
1374	int err;
1375
1376	switch (ctrl->id) {
1377	case V4L2_CID_MPEG_STREAM_VBI_FMT:
1378		if (hdl->ops && hdl->ops->s_stream_vbi_fmt)
1379			return hdl->ops->s_stream_vbi_fmt(hdl, val);
1380		return 0;
1381
1382	case V4L2_CID_MPEG_VIDEO_ASPECT:
1383		return cx2341x_hdl_api(hdl,
1384			CX2341X_ENC_SET_ASPECT_RATIO, 1, val + 1);
1385
1386	case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
1387		return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_GOP_CLOSURE, 1, val);
1388
1389	case V4L2_CID_MPEG_AUDIO_MUTE:
1390		return cx2341x_hdl_api(hdl, CX2341X_ENC_MUTE_AUDIO, 1, val);
1391
1392	case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
1393		return cx2341x_hdl_api(hdl,
1394			CX2341X_ENC_SET_FRAME_DROP_RATE, 1, val);
1395
1396	case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
1397		return cx2341x_hdl_api(hdl, CX2341X_ENC_MISC, 2, 7, val);
1398
1399	case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
1400		/* audio properties cluster */
1401		props = (hdl->audio_sampling_freq->val << 0) |
1402			(hdl->audio_mode->val << 8) |
1403			(hdl->audio_mode_extension->val << 10) |
1404			(hdl->audio_crc->val << 14);
1405		if (hdl->audio_emphasis->val == V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17)
1406			props |= 3 << 12;
1407		else
1408			props |= hdl->audio_emphasis->val << 12;
1409
1410		if (hdl->audio_encoding->val == V4L2_MPEG_AUDIO_ENCODING_AC3) {
1411			props |=
1412#if 1
1413				/* Not sure if this MPEG Layer II setting is required */
1414				((3 - V4L2_MPEG_AUDIO_ENCODING_LAYER_2) << 2) |
1415#endif
1416				(hdl->audio_ac3_bitrate->val << 4) |
1417				(CX2341X_AUDIO_ENCODING_METHOD_AC3 << 28);
1418		} else {
1419			/* Assuming MPEG Layer II */
1420			props |=
1421				((3 - hdl->audio_encoding->val) << 2) |
1422				((1 + hdl->audio_l2_bitrate->val) << 4);
1423		}
1424		err = cx2341x_hdl_api(hdl,
1425				CX2341X_ENC_SET_AUDIO_PROPERTIES, 1, props);
1426		if (err)
1427			return err;
1428
1429		hdl->audio_properties = props;
1430		if (hdl->audio_ac3_bitrate) {
1431			int is_ac3 = hdl->audio_encoding->val ==
1432						V4L2_MPEG_AUDIO_ENCODING_AC3;
1433
1434			v4l2_ctrl_activate(hdl->audio_ac3_bitrate, is_ac3);
1435			v4l2_ctrl_activate(hdl->audio_l2_bitrate, !is_ac3);
1436		}
1437		v4l2_ctrl_activate(hdl->audio_mode_extension,
1438			hdl->audio_mode->val == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO);
1439		if (cx2341x_neq(hdl->audio_sampling_freq) &&
1440		    hdl->ops && hdl->ops->s_audio_sampling_freq)
1441			return hdl->ops->s_audio_sampling_freq(hdl, hdl->audio_sampling_freq->val);
1442		if (cx2341x_neq(hdl->audio_mode) &&
1443		    hdl->ops && hdl->ops->s_audio_mode)
1444			return hdl->ops->s_audio_mode(hdl, hdl->audio_mode->val);
1445		return 0;
1446
1447	case V4L2_CID_MPEG_VIDEO_B_FRAMES:
1448		/* video gop cluster */
1449		return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_GOP_PROPERTIES, 2,
1450				hdl->video_gop_size->val,
1451				hdl->video_b_frames->val + 1);
1452
1453	case V4L2_CID_MPEG_STREAM_TYPE:
1454		/* stream type cluster */
1455		err = cx2341x_hdl_api(hdl,
1456			CX2341X_ENC_SET_STREAM_TYPE, 1, mpeg_stream_type[val]);
1457		if (err)
1458			return err;
1459
1460		err = cx2341x_hdl_api(hdl, CX2341X_ENC_SET_BIT_RATE, 5,
1461				hdl->video_bitrate_mode->val,
1462				hdl->video_bitrate->val,
1463				hdl->video_bitrate_peak->val / 400, 0, 0);
1464		if (err)
1465			return err;
1466
1467		v4l2_ctrl_activate(hdl->video_bitrate_mode,
1468			hdl->video_encoding->val != V4L2_MPEG_VIDEO_ENCODING_MPEG_1);
1469		v4l2_ctrl_activate(hdl->video_bitrate_peak,
1470			hdl->video_bitrate_mode->val != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
1471		if (cx2341x_neq(hdl->video_encoding) &&
1472		    hdl->ops && hdl->ops->s_video_encoding)
1473			return hdl->ops->s_video_encoding(hdl, hdl->video_encoding->val);
1474		return 0;
1475
1476	case V4L2_CID_MPEG_VIDEO_MUTE:
1477		/* video mute cluster */
1478		return cx2341x_hdl_api(hdl, CX2341X_ENC_MUTE_VIDEO, 1,
1479				hdl->video_mute->val |
1480					(hdl->video_mute_yuv->val << 8));
1481
1482	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE: {
1483		int active_filter;
1484
1485		/* video filter mode */
1486		err = cx2341x_hdl_api(hdl, CX2341X_ENC_SET_DNR_FILTER_MODE, 2,
1487				hdl->video_spatial_filter_mode->val |
1488					(hdl->video_temporal_filter_mode->val << 1),
1489				hdl->video_median_filter_type->val);
1490		if (err)
1491			return err;
1492
1493		active_filter = hdl->video_spatial_filter_mode->val !=
1494				V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO;
1495		v4l2_ctrl_activate(hdl->video_spatial_filter, active_filter);
1496		v4l2_ctrl_activate(hdl->video_luma_spatial_filter_type, active_filter);
1497		v4l2_ctrl_activate(hdl->video_chroma_spatial_filter_type, active_filter);
1498		active_filter = hdl->video_temporal_filter_mode->val !=
1499				V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO;
1500		v4l2_ctrl_activate(hdl->video_temporal_filter, active_filter);
1501		active_filter = hdl->video_median_filter_type->val !=
1502				V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF;
1503		v4l2_ctrl_activate(hdl->video_luma_median_filter_bottom, active_filter);
1504		v4l2_ctrl_activate(hdl->video_luma_median_filter_top, active_filter);
1505		v4l2_ctrl_activate(hdl->video_chroma_median_filter_bottom, active_filter);
1506		v4l2_ctrl_activate(hdl->video_chroma_median_filter_top, active_filter);
1507		return 0;
1508	}
1509
1510	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE:
1511		/* video filter type cluster */
1512		return cx2341x_hdl_api(hdl,
1513				CX2341X_ENC_SET_SPATIAL_FILTER_TYPE, 2,
1514				hdl->video_luma_spatial_filter_type->val,
1515				hdl->video_chroma_spatial_filter_type->val);
1516
1517	case V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER:
1518		/* video filter cluster */
1519		return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_DNR_FILTER_PROPS, 2,
1520				hdl->video_spatial_filter->val,
1521				hdl->video_temporal_filter->val);
1522
1523	case V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP:
1524		/* video median cluster */
1525		return cx2341x_hdl_api(hdl, CX2341X_ENC_SET_CORING_LEVELS, 4,
1526				hdl->video_luma_median_filter_bottom->val,
1527				hdl->video_luma_median_filter_top->val,
1528				hdl->video_chroma_median_filter_bottom->val,
1529				hdl->video_chroma_median_filter_top->val);
1530	}
1531	return -EINVAL;
1532}
1533
1534static const struct v4l2_ctrl_ops cx2341x_ops = {
1535	.try_ctrl = cx2341x_try_ctrl,
1536	.s_ctrl = cx2341x_s_ctrl,
1537};
1538
1539static struct v4l2_ctrl *cx2341x_ctrl_new_custom(struct v4l2_ctrl_handler *hdl,
1540			u32 id, s32 min, s32 max, s32 step, s32 def)
1541{
1542	struct v4l2_ctrl_config cfg;
1543
1544	memset(&cfg, 0, sizeof(cfg));
1545	cx2341x_ctrl_fill(id, &cfg.name, &cfg.type, &min, &max, &step, &def, &cfg.flags);
1546	cfg.ops = &cx2341x_ops;
1547	cfg.id = id;
1548	cfg.min = min;
1549	cfg.max = max;
1550	cfg.def = def;
1551	if (cfg.type == V4L2_CTRL_TYPE_MENU) {
1552		cfg.step = 0;
1553		cfg.menu_skip_mask = step;
1554		cfg.qmenu = cx2341x_get_menu(id);
1555	} else {
1556		cfg.step = step;
1557		cfg.menu_skip_mask = 0;
1558	}
1559	return v4l2_ctrl_new_custom(hdl, &cfg, NULL);
1560}
1561
1562static struct v4l2_ctrl *cx2341x_ctrl_new_std(struct v4l2_ctrl_handler *hdl,
1563			u32 id, s32 min, s32 max, s32 step, s32 def)
1564{
1565	return v4l2_ctrl_new_std(hdl, &cx2341x_ops, id, min, max, step, def);
1566}
1567
1568static struct v4l2_ctrl *cx2341x_ctrl_new_menu(struct v4l2_ctrl_handler *hdl,
1569			u32 id, s32 max, s32 mask, s32 def)
1570{
1571	return v4l2_ctrl_new_std_menu(hdl, &cx2341x_ops, id, max, mask, def);
1572}
1573
1574int cx2341x_handler_init(struct cx2341x_handler *cxhdl,
1575			 unsigned nr_of_controls_hint)
1576{
1577	struct v4l2_ctrl_handler *hdl = &cxhdl->hdl;
1578	u32 caps = cxhdl->capabilities;
1579	int has_sliced_vbi = caps & CX2341X_CAP_HAS_SLICED_VBI;
1580	int has_ac3 = caps & CX2341X_CAP_HAS_AC3;
1581	int has_ts = caps & CX2341X_CAP_HAS_TS;
1582
1583	cxhdl->width = 720;
1584	cxhdl->height = 480;
1585
1586	v4l2_ctrl_handler_init(hdl, nr_of_controls_hint);
1587
1588	/* Add controls in ascending control ID order for fastest
1589	   insertion time. */
1590	cxhdl->stream_type = cx2341x_ctrl_new_menu(hdl,
1591			V4L2_CID_MPEG_STREAM_TYPE,
1592			V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, has_ts ? 0 : 2,
1593			V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
1594	cxhdl->stream_vbi_fmt = cx2341x_ctrl_new_menu(hdl,
1595			V4L2_CID_MPEG_STREAM_VBI_FMT,
1596			V4L2_MPEG_STREAM_VBI_FMT_IVTV, has_sliced_vbi ? 0 : 2,
1597			V4L2_MPEG_STREAM_VBI_FMT_NONE);
1598	cxhdl->audio_sampling_freq = cx2341x_ctrl_new_menu(hdl,
1599			V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
1600			V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 0,
1601			V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
1602	cxhdl->audio_encoding = cx2341x_ctrl_new_menu(hdl,
1603			V4L2_CID_MPEG_AUDIO_ENCODING,
1604			V4L2_MPEG_AUDIO_ENCODING_AC3, has_ac3 ? ~0x12 : ~0x2,
1605			V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
1606	cxhdl->audio_l2_bitrate = cx2341x_ctrl_new_menu(hdl,
1607			V4L2_CID_MPEG_AUDIO_L2_BITRATE,
1608			V4L2_MPEG_AUDIO_L2_BITRATE_384K, 0x1ff,
1609			V4L2_MPEG_AUDIO_L2_BITRATE_224K);
1610	cxhdl->audio_mode = cx2341x_ctrl_new_menu(hdl,
1611			V4L2_CID_MPEG_AUDIO_MODE,
1612			V4L2_MPEG_AUDIO_MODE_MONO, 0,
1613			V4L2_MPEG_AUDIO_MODE_STEREO);
1614	cxhdl->audio_mode_extension = cx2341x_ctrl_new_menu(hdl,
1615			V4L2_CID_MPEG_AUDIO_MODE_EXTENSION,
1616			V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 0,
1617			V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
1618	cxhdl->audio_emphasis = cx2341x_ctrl_new_menu(hdl,
1619			V4L2_CID_MPEG_AUDIO_EMPHASIS,
1620			V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 0,
1621			V4L2_MPEG_AUDIO_EMPHASIS_NONE);
1622	cxhdl->audio_crc = cx2341x_ctrl_new_menu(hdl,
1623			V4L2_CID_MPEG_AUDIO_CRC,
1624			V4L2_MPEG_AUDIO_CRC_CRC16, 0,
1625			V4L2_MPEG_AUDIO_CRC_NONE);
1626
1627	cx2341x_ctrl_new_std(hdl, V4L2_CID_MPEG_AUDIO_MUTE, 0, 1, 1, 0);
1628	if (has_ac3)
1629		cxhdl->audio_ac3_bitrate = cx2341x_ctrl_new_menu(hdl,
1630				V4L2_CID_MPEG_AUDIO_AC3_BITRATE,
1631				V4L2_MPEG_AUDIO_AC3_BITRATE_448K, 0x03,
1632				V4L2_MPEG_AUDIO_AC3_BITRATE_224K);
1633	cxhdl->video_encoding = cx2341x_ctrl_new_menu(hdl,
1634			V4L2_CID_MPEG_VIDEO_ENCODING,
1635			V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 0,
1636			V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
1637	cx2341x_ctrl_new_menu(hdl,
1638			V4L2_CID_MPEG_VIDEO_ASPECT,
1639			V4L2_MPEG_VIDEO_ASPECT_221x100, 0,
1640			V4L2_MPEG_VIDEO_ASPECT_4x3);
1641	cxhdl->video_b_frames = cx2341x_ctrl_new_std(hdl,
1642			V4L2_CID_MPEG_VIDEO_B_FRAMES, 0, 33, 1, 2);
1643	cxhdl->video_gop_size = cx2341x_ctrl_new_std(hdl,
1644			V4L2_CID_MPEG_VIDEO_GOP_SIZE,
1645			1, 34, 1, cxhdl->is_50hz ? 12 : 15);
1646	cx2341x_ctrl_new_std(hdl, V4L2_CID_MPEG_VIDEO_GOP_CLOSURE, 0, 1, 1, 1);
1647	cxhdl->video_bitrate_mode = cx2341x_ctrl_new_menu(hdl,
1648			V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
1649			V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 0,
1650			V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
1651	cxhdl->video_bitrate = cx2341x_ctrl_new_std(hdl,
1652			V4L2_CID_MPEG_VIDEO_BITRATE,
1653			0, 27000000, 1, 6000000);
1654	cxhdl->video_bitrate_peak = cx2341x_ctrl_new_std(hdl,
1655			V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
1656			0, 27000000, 1, 8000000);
1657	cx2341x_ctrl_new_std(hdl,
1658			V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION, 0, 255, 1, 0);
1659	cxhdl->video_mute = cx2341x_ctrl_new_std(hdl,
1660			V4L2_CID_MPEG_VIDEO_MUTE, 0, 1, 1, 0);
1661	cxhdl->video_mute_yuv = cx2341x_ctrl_new_std(hdl,
1662			V4L2_CID_MPEG_VIDEO_MUTE_YUV, 0, 0xffffff, 1, 0x008080);
1663
1664	/* CX23415/6 specific */
1665	cxhdl->video_spatial_filter_mode = cx2341x_ctrl_new_custom(hdl,
1666			V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE,
1667			V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL,
1668			V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, 0,
1669			V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL);
1670	cxhdl->video_spatial_filter = cx2341x_ctrl_new_custom(hdl,
1671			V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER,
1672			0, 15, 1, 0);
1673	cxhdl->video_luma_spatial_filter_type = cx2341x_ctrl_new_custom(hdl,
1674			V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE,
1675			V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF,
1676			V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE,
1677			0,
1678			V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR);
1679	cxhdl->video_chroma_spatial_filter_type = cx2341x_ctrl_new_custom(hdl,
1680			V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE,
1681			V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF,
1682			V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR,
1683			0,
1684			V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR);
1685	cxhdl->video_temporal_filter_mode = cx2341x_ctrl_new_custom(hdl,
1686			V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE,
1687			V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL,
1688			V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO,
1689			0,
1690			V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL);
1691	cxhdl->video_temporal_filter = cx2341x_ctrl_new_custom(hdl,
1692			V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER,
1693			0, 31, 1, 8);
1694	cxhdl->video_median_filter_type = cx2341x_ctrl_new_custom(hdl,
1695			V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE,
1696			V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF,
1697			V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG,
1698			0,
1699			V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF);
1700	cxhdl->video_luma_median_filter_bottom = cx2341x_ctrl_new_custom(hdl,
1701			V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM,
1702			0, 255, 1, 0);
1703	cxhdl->video_luma_median_filter_top = cx2341x_ctrl_new_custom(hdl,
1704			V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP,
1705			0, 255, 1, 255);
1706	cxhdl->video_chroma_median_filter_bottom = cx2341x_ctrl_new_custom(hdl,
1707			V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM,
1708			0, 255, 1, 0);
1709	cxhdl->video_chroma_median_filter_top = cx2341x_ctrl_new_custom(hdl,
1710			V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP,
1711			0, 255, 1, 255);
1712	cx2341x_ctrl_new_custom(hdl, V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS,
1713			0, 1, 1, 0);
1714
1715	if (hdl->error) {
1716		int err = hdl->error;
1717
1718		v4l2_ctrl_handler_free(hdl);
1719		return err;
1720	}
1721
1722	v4l2_ctrl_cluster(8, &cxhdl->audio_sampling_freq);
1723	v4l2_ctrl_cluster(2, &cxhdl->video_b_frames);
1724	v4l2_ctrl_cluster(5, &cxhdl->stream_type);
1725	v4l2_ctrl_cluster(2, &cxhdl->video_mute);
1726	v4l2_ctrl_cluster(3, &cxhdl->video_spatial_filter_mode);
1727	v4l2_ctrl_cluster(2, &cxhdl->video_luma_spatial_filter_type);
1728	v4l2_ctrl_cluster(2, &cxhdl->video_spatial_filter);
1729	v4l2_ctrl_cluster(4, &cxhdl->video_luma_median_filter_top);
1730
1731	return 0;
1732}
1733EXPORT_SYMBOL(cx2341x_handler_init);
1734
1735void cx2341x_handler_set_50hz(struct cx2341x_handler *cxhdl, int is_50hz)
1736{
1737	cxhdl->is_50hz = is_50hz;
1738	cxhdl->video_gop_size->default_value = cxhdl->is_50hz ? 12 : 15;
1739}
1740EXPORT_SYMBOL(cx2341x_handler_set_50hz);
1741
1742int cx2341x_handler_setup(struct cx2341x_handler *cxhdl)
1743{
1744	int h = cxhdl->height;
1745	int w = cxhdl->width;
1746	int err;
1747
1748	err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_OUTPUT_PORT, 2, cxhdl->port, 0);
1749	if (err)
1750		return err;
1751	err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_FRAME_RATE, 1, cxhdl->is_50hz);
1752	if (err)
1753		return err;
1754
1755	if (v4l2_ctrl_g_ctrl(cxhdl->video_encoding) == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) {
1756		w /= 2;
1757		h /= 2;
1758	}
1759	err = cx2341x_hdl_api(cxhdl, CX2341X_ENC_SET_FRAME_SIZE, 2, h, w);
1760	if (err)
1761		return err;
1762	return v4l2_ctrl_handler_setup(&cxhdl->hdl);
1763}
1764EXPORT_SYMBOL(cx2341x_handler_setup);
1765
1766void cx2341x_handler_set_busy(struct cx2341x_handler *cxhdl, int busy)
1767{
1768	v4l2_ctrl_grab(cxhdl->audio_sampling_freq, busy);
1769	v4l2_ctrl_grab(cxhdl->audio_encoding, busy);
1770	v4l2_ctrl_grab(cxhdl->audio_l2_bitrate, busy);
1771	v4l2_ctrl_grab(cxhdl->audio_ac3_bitrate, busy);
1772	v4l2_ctrl_grab(cxhdl->stream_vbi_fmt, busy);
1773	v4l2_ctrl_grab(cxhdl->stream_type, busy);
1774	v4l2_ctrl_grab(cxhdl->video_bitrate_mode, busy);
1775	v4l2_ctrl_grab(cxhdl->video_bitrate, busy);
1776	v4l2_ctrl_grab(cxhdl->video_bitrate_peak, busy);
1777}
1778EXPORT_SYMBOL(cx2341x_handler_set_busy);
1779