[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / pvrusb2 / pvrusb2-cx2584x-v4l.c

/*
 *
 *
 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
 *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

/*

   This source file is specifically designed to interface with the
   cx2584x, in kernels 2.6.16 or newer.

*/

#include "pvrusb2-cx2584x-v4l.h"
#include "pvrusb2-video-v4l.h"


#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-debug.h"
#include <media/cx25840.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <linux/errno.h>


struct routing_scheme_item {
	int vid;
	int aud;
};

struct routing_scheme {
	const struct routing_scheme_item *def;
	unsigned int cnt;
};

static const struct routing_scheme_item routing_scheme0[] = {
	[PVR2_CVAL_INPUT_TV] = {
		.vid = CX25840_COMPOSITE7,
		.aud = CX25840_AUDIO8,
	},
	[PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */
		.vid = CX25840_COMPOSITE3,
		.aud = CX25840_AUDIO_SERIAL,
	},
	[PVR2_CVAL_INPUT_COMPOSITE] = {
		.vid = CX25840_COMPOSITE3,
		.aud = CX25840_AUDIO_SERIAL,
	},
	[PVR2_CVAL_INPUT_SVIDEO] = {
		.vid = CX25840_SVIDEO1,
		.aud = CX25840_AUDIO_SERIAL,
	},
};

static const struct routing_scheme routing_def0 = {
	.def = routing_scheme0,
	.cnt = ARRAY_SIZE(routing_scheme0),
};

/* Specific to gotview device */
static const struct routing_scheme_item routing_schemegv[] = {
	[PVR2_CVAL_INPUT_TV] = {
		.vid = CX25840_COMPOSITE2,
		.aud = CX25840_AUDIO5,
	},
	[PVR2_CVAL_INPUT_RADIO] = {
		/* line-in is used for radio and composite.  A GPIO is
		   used to switch between the two choices. */
		.vid = CX25840_COMPOSITE1,
		.aud = CX25840_AUDIO_SERIAL,
	},
	[PVR2_CVAL_INPUT_COMPOSITE] = {
		.vid = CX25840_COMPOSITE1,
		.aud = CX25840_AUDIO_SERIAL,
	},
	[PVR2_CVAL_INPUT_SVIDEO] = {
		.vid = (CX25840_SVIDEO_LUMA3|CX25840_SVIDEO_CHROMA4),
		.aud = CX25840_AUDIO_SERIAL,
	},
};

static const struct routing_scheme routing_defgv = {
	.def = routing_schemegv,
	.cnt = ARRAY_SIZE(routing_schemegv),
};

/* Specific to grabster av400 device */
static const struct routing_scheme_item routing_schemeav400[] = {
	[PVR2_CVAL_INPUT_COMPOSITE] = {
		.vid = CX25840_COMPOSITE1,
		.aud = CX25840_AUDIO_SERIAL,
	},
	[PVR2_CVAL_INPUT_SVIDEO] = {
		.vid = (CX25840_SVIDEO_LUMA2|CX25840_SVIDEO_CHROMA4),
		.aud = CX25840_AUDIO_SERIAL,
	},
};

static const struct routing_scheme routing_defav400 = {
	.def = routing_schemeav400,
	.cnt = ARRAY_SIZE(routing_schemeav400),
};

static const struct routing_scheme *routing_schemes[] = {
	[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
	[PVR2_ROUTING_SCHEME_GOTVIEW] = &routing_defgv,
	[PVR2_ROUTING_SCHEME_AV400] = &routing_defav400,
};

void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
{
	pvr2_trace(PVR2_TRACE_CHIPS, "subdev cx2584x update...");
	if (hdw->input_dirty || hdw->force_dirty) {
		enum cx25840_video_input vid_input;
		enum cx25840_audio_input aud_input;
		const struct routing_scheme *sp;
		unsigned int sid = hdw->hdw_desc->signal_routing_scheme;

		sp = (sid < ARRAY_SIZE(routing_schemes)) ?
			routing_schemes[sid] : NULL;
		if ((sp == NULL) ||
		    (hdw->input_val < 0) ||
		    (hdw->input_val >= sp->cnt)) {
			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
				   "*** WARNING *** subdev cx2584x set_input:"
				   " Invalid routing scheme (%u)"
				   " and/or input (%d)",
				   sid, hdw->input_val);
			return;
		}
		vid_input = sp->def[hdw->input_val].vid;
		aud_input = sp->def[hdw->input_val].aud;
		pvr2_trace(PVR2_TRACE_CHIPS,
			   "subdev cx2584x set_input vid=0x%x aud=0x%x",
			   vid_input, aud_input);
		sd->ops->video->s_routing(sd, (u32)vid_input, 0, 0);
		sd->ops->audio->s_routing(sd, (u32)aud_input, 0, 0);
	}
}


/*
  Stuff for Emacs to see, in order to encourage consistent editing style:
  *** Local Variables: ***
  *** mode: c ***
  *** fill-column: 70 ***
  *** tab-width: 8 ***
  *** c-basic-offset: 8 ***
  *** End: ***
  */
Commit	Line	Data
d855497e MI	1	/*
d855497e MI	2	*
d855497e MI	3	*
	4	* Copyright (C) 2005 Mike Isely <isely@pobox.com>
	5	* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*
	20	*/
	21
	22	/*
	23
	24	This source file is specifically designed to interface with the
	25	cx2584x, in kernels 2.6.16 or newer.
	26
	27	*/
	28
	29	#include "pvrusb2-cx2584x-v4l.h"
	30	#include "pvrusb2-video-v4l.h"
d855497e MI	31
	32
	33	#include "pvrusb2-hdw-internal.h"
	34	#include "pvrusb2-debug.h"
	35	#include <media/cx25840.h>
	36	#include <linux/videodev2.h>
	37	#include <media/v4l2-common.h>
	38	#include <linux/errno.h>
d855497e	39
d855497e	40
f5174af2 MI	41	struct routing_scheme_item {
	42	int vid;
	43	int aud;
	44	};
	45
	46	struct routing_scheme {
	47	const struct routing_scheme_item *def;
	48	unsigned int cnt;
	49	};
	50
	51	static const struct routing_scheme_item routing_scheme0[] = {
	52	[PVR2_CVAL_INPUT_TV] = {
	53	.vid = CX25840_COMPOSITE7,
	54	.aud = CX25840_AUDIO8,
	55	},
	56	[PVR2_CVAL_INPUT_RADIO] = { /* Treat the same as composite */
	57	.vid = CX25840_COMPOSITE3,
	58	.aud = CX25840_AUDIO_SERIAL,
	59	},
	60	[PVR2_CVAL_INPUT_COMPOSITE] = {
	61	.vid = CX25840_COMPOSITE3,
	62	.aud = CX25840_AUDIO_SERIAL,
	63	},
	64	[PVR2_CVAL_INPUT_SVIDEO] = {
	65	.vid = CX25840_SVIDEO1,
	66	.aud = CX25840_AUDIO_SERIAL,
	67	},
	68	};
	69
81e804c9 MI	70	static const struct routing_scheme routing_def0 = {
	71	.def = routing_scheme0,
	72	.cnt = ARRAY_SIZE(routing_scheme0),
	73	};
	74
9e2e3aeb MI	75	/* Specific to gotview device */
	76	static const struct routing_scheme_item routing_schemegv[] = {
	77	[PVR2_CVAL_INPUT_TV] = {
	78	.vid = CX25840_COMPOSITE2,
	79	.aud = CX25840_AUDIO5,
	80	},
1df59f0b MI	81	[PVR2_CVAL_INPUT_RADIO] = {
	82	/* line-in is used for radio and composite. A GPIO is
	83	used to switch between the two choices. */
9e2e3aeb MI	84	.vid = CX25840_COMPOSITE1,
	85	.aud = CX25840_AUDIO_SERIAL,
	86	},
	87	[PVR2_CVAL_INPUT_COMPOSITE] = {
	88	.vid = CX25840_COMPOSITE1,
	89	.aud = CX25840_AUDIO_SERIAL,
	90	},
	91	[PVR2_CVAL_INPUT_SVIDEO] = {
	92	.vid = (CX25840_SVIDEO_LUMA3\|CX25840_SVIDEO_CHROMA4),
	93	.aud = CX25840_AUDIO_SERIAL,
	94	},
	95	};
	96
81e804c9 MI	97	static const struct routing_scheme routing_defgv = {
	98	.def = routing_schemegv,
	99	.cnt = ARRAY_SIZE(routing_schemegv),
	100	};
	101
43823c02 MI	102	/* Specific to grabster av400 device */
	103	static const struct routing_scheme_item routing_schemeav400[] = {
	104	[PVR2_CVAL_INPUT_COMPOSITE] = {
	105	.vid = CX25840_COMPOSITE1,
	106	.aud = CX25840_AUDIO_SERIAL,
	107	},
	108	[PVR2_CVAL_INPUT_SVIDEO] = {
	109	.vid = (CX25840_SVIDEO_LUMA2\|CX25840_SVIDEO_CHROMA4),
	110	.aud = CX25840_AUDIO_SERIAL,
	111	},
	112	};
	113
	114	static const struct routing_scheme routing_defav400 = {
	115	.def = routing_schemeav400,
	116	.cnt = ARRAY_SIZE(routing_schemeav400),
	117	};
	118
81e804c9 MI	119	static const struct routing_scheme *routing_schemes[] = {
	120	[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
	121	[PVR2_ROUTING_SCHEME_GOTVIEW] = &routing_defgv,
43823c02	122	[PVR2_ROUTING_SCHEME_AV400] = &routing_defav400,
f5174af2 MI	123	};
f5174af2 MI	124
634ba268 MI	125	void pvr2_cx25840_subdev_update(struct pvr2_hdw hdw, struct v4l2_subdev sd)
634ba268 MI	126	{
5e430ca5	127	pvr2_trace(PVR2_TRACE_CHIPS, "subdev cx2584x update...");
27764726	128	if (hdw->input_dirty \|\| hdw->force_dirty) {
634ba268 MI	129	enum cx25840_video_input vid_input;
	130	enum cx25840_audio_input aud_input;
	131	const struct routing_scheme *sp;
	132	unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
	133
90135c96 MI	134	sp = (sid < ARRAY_SIZE(routing_schemes)) ?
	135	routing_schemes[sid] : NULL;
	136	if ((sp == NULL) \|\|
	137	(hdw->input_val < 0) \|\|
	138	(hdw->input_val >= sp->cnt)) {
634ba268 MI	139	pvr2_trace(PVR2_TRACE_ERROR_LEGS,
	140	"* WARNING * subdev cx2584x set_input:"
	141	" Invalid routing scheme (%u)"
	142	" and/or input (%d)",
	143	sid, hdw->input_val);
	144	return;
	145	}
90135c96 MI	146	vid_input = sp->def[hdw->input_val].vid;
90135c96 MI	147	aud_input = sp->def[hdw->input_val].aud;
634ba268	148	pvr2_trace(PVR2_TRACE_CHIPS,
5e430ca5	149	"subdev cx2584x set_input vid=0x%x aud=0x%x",
634ba268	150	vid_input, aud_input);
5325b427 HV	151	sd->ops->video->s_routing(sd, (u32)vid_input, 0, 0);
5325b427 HV	152	sd->ops->audio->s_routing(sd, (u32)aud_input, 0, 0);
634ba268 MI	153	}
634ba268 MI	154	}
d855497e MI	155
d855497e MI	156
acd92d40	157
d855497e MI	158	/*
	159	Stuff for Emacs to see, in order to encourage consistent editing style:
	160	* Local Variables: *
	161	* mode: c *
	162	* fill-column: 70 *
	163	* tab-width: 8 *
	164	* c-basic-offset: 8 *
	165	* End: *
	166	*/