[mirror_ubuntu-bionic-kernel.git] / drivers / media / usb / 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.
 *
 */

/*

   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);
	}
}
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	*
2a6b627f MI	16	*/
	17
	18	/*
	19
	20	This source file is specifically designed to interface with the
	21	v4l-dvb cs53l32a module.
	22
	23	*/
	24
	25	#include "pvrusb2-cs53l32a.h"
	26
	27
	28	#include "pvrusb2-hdw-internal.h"
	29	#include "pvrusb2-debug.h"
	30	#include <linux/videodev2.h>
	31	#include <media/v4l2-common.h>
	32	#include <linux/errno.h>
2a6b627f MI	33
	34	struct routing_scheme {
	35	const int *def;
	36	unsigned int cnt;
	37	};
	38
	39
	40	static const int routing_scheme1[] = {
	41	[PVR2_CVAL_INPUT_TV] = 2, /* 1 or 2 seems to work here */
	42	[PVR2_CVAL_INPUT_RADIO] = 2,
	43	[PVR2_CVAL_INPUT_COMPOSITE] = 0,
	44	[PVR2_CVAL_INPUT_SVIDEO] = 0,
	45	};
	46
81e804c9 MI	47	static const struct routing_scheme routing_def1 = {
	48	.def = routing_scheme1,
	49	.cnt = ARRAY_SIZE(routing_scheme1),
	50	};
	51
	52	static const struct routing_scheme *routing_schemes[] = {
	53	[PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
2a6b627f MI	54	};
	55
	56
	57	void pvr2_cs53l32a_subdev_update(struct pvr2_hdw hdw, struct v4l2_subdev sd)
	58	{
	59	if (hdw->input_dirty \|\| hdw->force_dirty) {
2a6b627f MI	60	const struct routing_scheme *sp;
2a6b627f MI	61	unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
5325b427	62	u32 input;
2a6b627f MI	63	pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_input(%d)",
2a6b627f MI	64	hdw->input_val);
90135c96 MI	65	sp = (sid < ARRAY_SIZE(routing_schemes)) ?
	66	routing_schemes[sid] : NULL;
	67	if ((sp == NULL) \|\|
	68	(hdw->input_val < 0) \|\|
	69	(hdw->input_val >= sp->cnt)) {
2a6b627f	70	pvr2_trace(PVR2_TRACE_ERROR_LEGS,
96292c89	71	"* WARNING * subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)",
2a6b627f MI	72	sid, hdw->input_val);
	73	return;
	74	}
90135c96	75	input = sp->def[hdw->input_val];
5325b427	76	sd->ops->audio->s_routing(sd, input, 0, 0);
2a6b627f MI	77	}
2a6b627f MI	78	}