[net-next-2.6.git] / drivers / media / video / pvrusb2 / pvrusb2-cs53l32a.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
   v4l-dvb cs53l32a module.

*/

#include "pvrusb2-cs53l32a.h"


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

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


static const int routing_scheme1[] = {
	[PVR2_CVAL_INPUT_TV] = 2,  /* 1 or 2 seems to work here */
	[PVR2_CVAL_INPUT_RADIO] = 2,
	[PVR2_CVAL_INPUT_COMPOSITE] = 0,
	[PVR2_CVAL_INPUT_SVIDEO] =  0,
};

static const struct routing_scheme routing_def1 = {
	.def = routing_scheme1,
	.cnt = ARRAY_SIZE(routing_scheme1),
};

static const struct routing_scheme *routing_schemes[] = {
	[PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
};


void pvr2_cs53l32a_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
{
	if (hdw->input_dirty || hdw->force_dirty) {
		const struct routing_scheme *sp;
		unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
		u32 input;
		pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
			   hdw->input_val);
		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 v4l2 set_input:"
				   " Invalid routing scheme (%u)"
				   " and/or input (%d)",
				   sid, hdw->input_val);
			return;
		}
		input = sp->def[hdw->input_val];
		sd->ops->audio->s_routing(sd, 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
2a6b627f MI	1	/*
	2	*
	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	v4l-dvb cs53l32a module.
	26
	27	*/
	28
	29	#include "pvrusb2-cs53l32a.h"
	30
	31
	32	#include "pvrusb2-hdw-internal.h"
	33	#include "pvrusb2-debug.h"
	34	#include <linux/videodev2.h>
	35	#include <media/v4l2-common.h>
	36	#include <linux/errno.h>
2a6b627f MI	37
	38	struct routing_scheme {
	39	const int *def;
	40	unsigned int cnt;
	41	};
	42
	43
	44	static const int routing_scheme1[] = {
	45	[PVR2_CVAL_INPUT_TV] = 2, /* 1 or 2 seems to work here */
	46	[PVR2_CVAL_INPUT_RADIO] = 2,
	47	[PVR2_CVAL_INPUT_COMPOSITE] = 0,
	48	[PVR2_CVAL_INPUT_SVIDEO] = 0,
	49	};
	50
81e804c9 MI	51	static const struct routing_scheme routing_def1 = {
	52	.def = routing_scheme1,
	53	.cnt = ARRAY_SIZE(routing_scheme1),
	54	};
	55
	56	static const struct routing_scheme *routing_schemes[] = {
	57	[PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
2a6b627f MI	58	};
	59
	60
	61	void pvr2_cs53l32a_subdev_update(struct pvr2_hdw hdw, struct v4l2_subdev sd)
	62	{
	63	if (hdw->input_dirty \|\| hdw->force_dirty) {
2a6b627f MI	64	const struct routing_scheme *sp;
2a6b627f MI	65	unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
5325b427	66	u32 input;
2a6b627f MI	67	pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
2a6b627f MI	68	hdw->input_val);
90135c96 MI	69	sp = (sid < ARRAY_SIZE(routing_schemes)) ?
	70	routing_schemes[sid] : NULL;
	71	if ((sp == NULL) \|\|
	72	(hdw->input_val < 0) \|\|
	73	(hdw->input_val >= sp->cnt)) {
2a6b627f MI	74	pvr2_trace(PVR2_TRACE_ERROR_LEGS,
	75	"* WARNING * subdev v4l2 set_input:"
	76	" Invalid routing scheme (%u)"
	77	" and/or input (%d)",
	78	sid, hdw->input_val);
	79	return;
	80	}
90135c96	81	input = sp->def[hdw->input_val];
5325b427	82	sd->ops->audio->s_routing(sd, input, 0, 0);
2a6b627f MI	83	}
	84	}
	85
	86
	87	/*
	88	Stuff for Emacs to see, in order to encourage consistent editing style:
	89	* Local Variables: *
	90	* mode: c *
	91	* fill-column: 70 *
	92	* tab-width: 8 *
	93	* c-basic-offset: 8 *
	94	* End: *
	95	*/