cregit-Linux how code gets into the kernel

Release 4.11 drivers/media/usb/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.
 *
 */

/*

   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/drv-intf/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); } }

Contributors

PersonTokensPropCommitsCommitProp
Mike Isely18092.31%571.43%
Hans Verkuil147.18%114.29%
Mauro Carvalho Chehab10.51%114.29%
Total195100.00%7100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Mike Isely52396.85%1071.43%
Hans Verkuil142.59%17.14%
Mauro Carvalho Chehab20.37%214.29%
Sakari Ailus10.19%17.14%
Total540100.00%14100.00%
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