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3aa7110e1c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
4676 lines
119 KiB
C
4676 lines
119 KiB
C
/*
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bttv - Bt848 frame grabber driver
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Copyright (C) 1996,97,98 Ralph Metzler <rjkm@thp.uni-koeln.de>
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& Marcus Metzler <mocm@thp.uni-koeln.de>
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(c) 1999-2002 Gerd Knorr <kraxel@bytesex.org>
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some v4l2 code lines are taken from Justin's bttv2 driver which is
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(c) 2000 Justin Schoeman <justin@suntiger.ee.up.ac.za>
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V4L1 removal from:
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(c) 2005-2006 Nickolay V. Shmyrev <nshmyrev@yandex.ru>
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Fixes to be fully V4L2 compliant by
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(c) 2006 Mauro Carvalho Chehab <mchehab@infradead.org>
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Cropping and overscan support
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Copyright (C) 2005, 2006 Michael H. Schimek <mschimek@gmx.at>
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Sponsored by OPQ Systems AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <linux/kdev_t.h>
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#include "bttvp.h"
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#include <media/v4l2-common.h>
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#include <media/tvaudio.h>
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#include <media/msp3400.h>
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#include <linux/dma-mapping.h>
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#include <asm/io.h>
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#include <asm/byteorder.h>
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#include <media/rds.h>
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unsigned int bttv_num; /* number of Bt848s in use */
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struct bttv bttvs[BTTV_MAX];
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unsigned int bttv_debug;
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unsigned int bttv_verbose = 1;
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unsigned int bttv_gpio;
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/* config variables */
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#ifdef __BIG_ENDIAN
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static unsigned int bigendian=1;
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#else
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static unsigned int bigendian;
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#endif
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static unsigned int radio[BTTV_MAX];
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static unsigned int irq_debug;
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static unsigned int gbuffers = 8;
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static unsigned int gbufsize = 0x208000;
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static unsigned int reset_crop = 1;
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static int video_nr = -1;
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static int radio_nr = -1;
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static int vbi_nr = -1;
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static int debug_latency;
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static unsigned int fdsr;
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/* options */
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static unsigned int combfilter;
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static unsigned int lumafilter;
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static unsigned int automute = 1;
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static unsigned int chroma_agc;
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static unsigned int adc_crush = 1;
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static unsigned int whitecrush_upper = 0xCF;
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static unsigned int whitecrush_lower = 0x7F;
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static unsigned int vcr_hack;
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static unsigned int irq_iswitch;
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static unsigned int uv_ratio = 50;
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static unsigned int full_luma_range;
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static unsigned int coring;
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extern int no_overlay;
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/* API features (turn on/off stuff for testing) */
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static unsigned int v4l2 = 1;
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/* insmod args */
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module_param(bttv_verbose, int, 0644);
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module_param(bttv_gpio, int, 0644);
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module_param(bttv_debug, int, 0644);
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module_param(irq_debug, int, 0644);
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module_param(debug_latency, int, 0644);
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module_param(fdsr, int, 0444);
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module_param(video_nr, int, 0444);
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module_param(radio_nr, int, 0444);
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module_param(vbi_nr, int, 0444);
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module_param(gbuffers, int, 0444);
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module_param(gbufsize, int, 0444);
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module_param(reset_crop, int, 0444);
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module_param(v4l2, int, 0644);
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module_param(bigendian, int, 0644);
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module_param(irq_iswitch, int, 0644);
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module_param(combfilter, int, 0444);
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module_param(lumafilter, int, 0444);
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module_param(automute, int, 0444);
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module_param(chroma_agc, int, 0444);
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module_param(adc_crush, int, 0444);
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module_param(whitecrush_upper, int, 0444);
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module_param(whitecrush_lower, int, 0444);
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module_param(vcr_hack, int, 0444);
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module_param(uv_ratio, int, 0444);
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module_param(full_luma_range, int, 0444);
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module_param(coring, int, 0444);
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module_param_array(radio, int, NULL, 0444);
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MODULE_PARM_DESC(radio,"The TV card supports radio, default is 0 (no)");
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MODULE_PARM_DESC(bigendian,"byte order of the framebuffer, default is native endian");
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MODULE_PARM_DESC(bttv_verbose,"verbose startup messages, default is 1 (yes)");
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MODULE_PARM_DESC(bttv_gpio,"log gpio changes, default is 0 (no)");
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MODULE_PARM_DESC(bttv_debug,"debug messages, default is 0 (no)");
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MODULE_PARM_DESC(irq_debug,"irq handler debug messages, default is 0 (no)");
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MODULE_PARM_DESC(gbuffers,"number of capture buffers. range 2-32, default 8");
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MODULE_PARM_DESC(gbufsize,"size of the capture buffers, default is 0x208000");
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MODULE_PARM_DESC(reset_crop,"reset cropping parameters at open(), default "
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"is 1 (yes) for compatibility with older applications");
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MODULE_PARM_DESC(automute,"mute audio on bad/missing video signal, default is 1 (yes)");
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MODULE_PARM_DESC(chroma_agc,"enables the AGC of chroma signal, default is 0 (no)");
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MODULE_PARM_DESC(adc_crush,"enables the luminance ADC crush, default is 1 (yes)");
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MODULE_PARM_DESC(whitecrush_upper,"sets the white crush upper value, default is 207");
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MODULE_PARM_DESC(whitecrush_lower,"sets the white crush lower value, default is 127");
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MODULE_PARM_DESC(vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)");
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MODULE_PARM_DESC(irq_iswitch,"switch inputs in irq handler");
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MODULE_PARM_DESC(uv_ratio,"ratio between u and v gains, default is 50");
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MODULE_PARM_DESC(full_luma_range,"use the full luma range, default is 0 (no)");
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MODULE_PARM_DESC(coring,"set the luma coring level, default is 0 (no)");
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MODULE_DESCRIPTION("bttv - v4l/v4l2 driver module for bt848/878 based cards");
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MODULE_AUTHOR("Ralph Metzler & Marcus Metzler & Gerd Knorr");
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MODULE_LICENSE("GPL");
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/* ----------------------------------------------------------------------- */
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/* sysfs */
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static ssize_t show_card(struct device *cd,
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struct device_attribute *attr, char *buf)
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{
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struct video_device *vfd = container_of(cd, struct video_device, class_dev);
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struct bttv *btv = dev_get_drvdata(vfd->dev);
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return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET);
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}
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static DEVICE_ATTR(card, S_IRUGO, show_card, NULL);
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/* ----------------------------------------------------------------------- */
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/* dvb auto-load setup */
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#if defined(CONFIG_MODULES) && defined(MODULE)
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static void request_module_async(struct work_struct *work)
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{
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request_module("dvb-bt8xx");
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}
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static void request_modules(struct bttv *dev)
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{
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INIT_WORK(&dev->request_module_wk, request_module_async);
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schedule_work(&dev->request_module_wk);
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}
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#else
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#define request_modules(dev)
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#endif /* CONFIG_MODULES */
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/* ----------------------------------------------------------------------- */
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/* static data */
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/* special timing tables from conexant... */
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static u8 SRAM_Table[][60] =
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{
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/* PAL digital input over GPIO[7:0] */
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{
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45, // 45 bytes following
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0x36,0x11,0x01,0x00,0x90,0x02,0x05,0x10,0x04,0x16,
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0x12,0x05,0x11,0x00,0x04,0x12,0xC0,0x00,0x31,0x00,
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0x06,0x51,0x08,0x03,0x89,0x08,0x07,0xC0,0x44,0x00,
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0x81,0x01,0x01,0xA9,0x0D,0x02,0x02,0x50,0x03,0x37,
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0x37,0x00,0xAF,0x21,0x00
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},
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/* NTSC digital input over GPIO[7:0] */
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{
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51, // 51 bytes following
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0x0C,0xC0,0x00,0x00,0x90,0x02,0x03,0x10,0x03,0x06,
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0x10,0x04,0x12,0x12,0x05,0x02,0x13,0x04,0x19,0x00,
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0x04,0x39,0x00,0x06,0x59,0x08,0x03,0x83,0x08,0x07,
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0x03,0x50,0x00,0xC0,0x40,0x00,0x86,0x01,0x01,0xA6,
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0x0D,0x02,0x03,0x11,0x01,0x05,0x37,0x00,0xAC,0x21,
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0x00,
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},
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// TGB_NTSC392 // quartzsight
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// This table has been modified to be used for Fusion Rev D
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{
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0x2A, // size of table = 42
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0x06, 0x08, 0x04, 0x0a, 0xc0, 0x00, 0x18, 0x08, 0x03, 0x24,
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0x08, 0x07, 0x02, 0x90, 0x02, 0x08, 0x10, 0x04, 0x0c, 0x10,
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0x05, 0x2c, 0x11, 0x04, 0x55, 0x48, 0x00, 0x05, 0x50, 0x00,
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0xbf, 0x0c, 0x02, 0x2f, 0x3d, 0x00, 0x2f, 0x3f, 0x00, 0xc3,
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0x20, 0x00
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}
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};
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/* minhdelayx1 first video pixel we can capture on a line and
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hdelayx1 start of active video, both relative to rising edge of
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/HRESET pulse (0H) in 1 / fCLKx1.
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swidth width of active video and
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totalwidth total line width, both in 1 / fCLKx1.
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sqwidth total line width in square pixels.
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vdelay start of active video in 2 * field lines relative to
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trailing edge of /VRESET pulse (VDELAY register).
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sheight height of active video in 2 * field lines.
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videostart0 ITU-R frame line number of the line corresponding
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to vdelay in the first field. */
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#define CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth, \
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vdelay, sheight, videostart0) \
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.cropcap.bounds.left = minhdelayx1, \
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/* * 2 because vertically we count field lines times two, */ \
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/* e.g. 23 * 2 to 23 * 2 + 576 in PAL-BGHI defrect. */ \
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.cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \
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/* 4 is a safety margin at the end of the line. */ \
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.cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4, \
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.cropcap.bounds.height = (sheight) + (vdelay) - MIN_VDELAY, \
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.cropcap.defrect.left = hdelayx1, \
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.cropcap.defrect.top = (videostart0) * 2, \
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.cropcap.defrect.width = swidth, \
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.cropcap.defrect.height = sheight, \
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.cropcap.pixelaspect.numerator = totalwidth, \
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.cropcap.pixelaspect.denominator = sqwidth,
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const struct bttv_tvnorm bttv_tvnorms[] = {
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/* PAL-BDGHI */
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/* max. active video is actually 922, but 924 is divisible by 4 and 3! */
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/* actually, max active PAL with HSCALE=0 is 948, NTSC is 768 - nil */
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{
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.v4l2_id = V4L2_STD_PAL,
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.name = "PAL",
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.Fsc = 35468950,
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.swidth = 924,
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.sheight = 576,
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.totalwidth = 1135,
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.adelay = 0x7f,
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.bdelay = 0x72,
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.iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1),
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.scaledtwidth = 1135,
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.hdelayx1 = 186,
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.hactivex1 = 924,
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.vdelay = 0x20,
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.vbipack = 255, /* min (2048 / 4, 0x1ff) & 0xff */
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.sram = 0,
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/* ITU-R frame line number of the first VBI line
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we can capture, of the first and second field.
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The last line is determined by cropcap.bounds. */
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.vbistart = { 7, 320 },
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CROPCAP(/* minhdelayx1 */ 68,
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/* hdelayx1 */ 186,
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/* Should be (768 * 1135 + 944 / 2) / 944.
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cropcap.defrect is used for image width
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checks, so we keep the old value 924. */
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/* swidth */ 924,
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/* totalwidth */ 1135,
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/* sqwidth */ 944,
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/* vdelay */ 0x20,
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/* sheight */ 576,
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/* videostart0 */ 23)
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/* bt878 (and bt848?) can capture another
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line below active video. */
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.cropcap.bounds.height = (576 + 2) + 0x20 - 2,
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},{
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.v4l2_id = V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR,
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.name = "NTSC",
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.Fsc = 28636363,
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.swidth = 768,
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.sheight = 480,
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.totalwidth = 910,
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.adelay = 0x68,
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.bdelay = 0x5d,
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.iform = (BT848_IFORM_NTSC|BT848_IFORM_XT0),
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.scaledtwidth = 910,
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.hdelayx1 = 128,
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.hactivex1 = 910,
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.vdelay = 0x1a,
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.vbipack = 144, /* min (1600 / 4, 0x1ff) & 0xff */
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.sram = 1,
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.vbistart = { 10, 273 },
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CROPCAP(/* minhdelayx1 */ 68,
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/* hdelayx1 */ 128,
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/* Should be (640 * 910 + 780 / 2) / 780? */
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/* swidth */ 768,
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/* totalwidth */ 910,
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/* sqwidth */ 780,
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/* vdelay */ 0x1a,
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/* sheight */ 480,
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/* videostart0 */ 23)
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},{
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.v4l2_id = V4L2_STD_SECAM,
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.name = "SECAM",
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.Fsc = 35468950,
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.swidth = 924,
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.sheight = 576,
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.totalwidth = 1135,
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.adelay = 0x7f,
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.bdelay = 0xb0,
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.iform = (BT848_IFORM_SECAM|BT848_IFORM_XT1),
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.scaledtwidth = 1135,
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.hdelayx1 = 186,
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.hactivex1 = 922,
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.vdelay = 0x20,
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.vbipack = 255,
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.sram = 0, /* like PAL, correct? */
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.vbistart = { 7, 320 },
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CROPCAP(/* minhdelayx1 */ 68,
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/* hdelayx1 */ 186,
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/* swidth */ 924,
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/* totalwidth */ 1135,
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/* sqwidth */ 944,
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/* vdelay */ 0x20,
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/* sheight */ 576,
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/* videostart0 */ 23)
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},{
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.v4l2_id = V4L2_STD_PAL_Nc,
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.name = "PAL-Nc",
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.Fsc = 28636363,
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.swidth = 640,
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.sheight = 576,
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.totalwidth = 910,
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.adelay = 0x68,
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.bdelay = 0x5d,
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.iform = (BT848_IFORM_PAL_NC|BT848_IFORM_XT0),
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.scaledtwidth = 780,
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.hdelayx1 = 130,
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.hactivex1 = 734,
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.vdelay = 0x1a,
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.vbipack = 144,
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.sram = -1,
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.vbistart = { 7, 320 },
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CROPCAP(/* minhdelayx1 */ 68,
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/* hdelayx1 */ 130,
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/* swidth */ (640 * 910 + 780 / 2) / 780,
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/* totalwidth */ 910,
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/* sqwidth */ 780,
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/* vdelay */ 0x1a,
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/* sheight */ 576,
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/* videostart0 */ 23)
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},{
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.v4l2_id = V4L2_STD_PAL_M,
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.name = "PAL-M",
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.Fsc = 28636363,
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.swidth = 640,
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.sheight = 480,
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.totalwidth = 910,
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.adelay = 0x68,
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.bdelay = 0x5d,
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.iform = (BT848_IFORM_PAL_M|BT848_IFORM_XT0),
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.scaledtwidth = 780,
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.hdelayx1 = 135,
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.hactivex1 = 754,
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.vdelay = 0x1a,
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.vbipack = 144,
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.sram = -1,
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.vbistart = { 10, 273 },
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CROPCAP(/* minhdelayx1 */ 68,
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/* hdelayx1 */ 135,
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/* swidth */ (640 * 910 + 780 / 2) / 780,
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/* totalwidth */ 910,
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/* sqwidth */ 780,
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/* vdelay */ 0x1a,
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/* sheight */ 480,
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/* videostart0 */ 23)
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},{
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.v4l2_id = V4L2_STD_PAL_N,
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.name = "PAL-N",
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.Fsc = 35468950,
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.swidth = 768,
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.sheight = 576,
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.totalwidth = 1135,
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.adelay = 0x7f,
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.bdelay = 0x72,
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.iform = (BT848_IFORM_PAL_N|BT848_IFORM_XT1),
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.scaledtwidth = 944,
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.hdelayx1 = 186,
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.hactivex1 = 922,
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.vdelay = 0x20,
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.vbipack = 144,
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.sram = -1,
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.vbistart = { 7, 320 },
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CROPCAP(/* minhdelayx1 */ 68,
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/* hdelayx1 */ 186,
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/* swidth */ (768 * 1135 + 944 / 2) / 944,
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/* totalwidth */ 1135,
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/* sqwidth */ 944,
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/* vdelay */ 0x20,
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/* sheight */ 576,
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/* videostart0 */ 23)
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},{
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.v4l2_id = V4L2_STD_NTSC_M_JP,
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.name = "NTSC-JP",
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|
.Fsc = 28636363,
|
|
.swidth = 640,
|
|
.sheight = 480,
|
|
.totalwidth = 910,
|
|
.adelay = 0x68,
|
|
.bdelay = 0x5d,
|
|
.iform = (BT848_IFORM_NTSC_J|BT848_IFORM_XT0),
|
|
.scaledtwidth = 780,
|
|
.hdelayx1 = 135,
|
|
.hactivex1 = 754,
|
|
.vdelay = 0x16,
|
|
.vbipack = 144,
|
|
.sram = -1,
|
|
.vbistart = { 10, 273 },
|
|
CROPCAP(/* minhdelayx1 */ 68,
|
|
/* hdelayx1 */ 135,
|
|
/* swidth */ (640 * 910 + 780 / 2) / 780,
|
|
/* totalwidth */ 910,
|
|
/* sqwidth */ 780,
|
|
/* vdelay */ 0x16,
|
|
/* sheight */ 480,
|
|
/* videostart0 */ 23)
|
|
},{
|
|
/* that one hopefully works with the strange timing
|
|
* which video recorders produce when playing a NTSC
|
|
* tape on a PAL TV ... */
|
|
.v4l2_id = V4L2_STD_PAL_60,
|
|
.name = "PAL-60",
|
|
.Fsc = 35468950,
|
|
.swidth = 924,
|
|
.sheight = 480,
|
|
.totalwidth = 1135,
|
|
.adelay = 0x7f,
|
|
.bdelay = 0x72,
|
|
.iform = (BT848_IFORM_PAL_BDGHI|BT848_IFORM_XT1),
|
|
.scaledtwidth = 1135,
|
|
.hdelayx1 = 186,
|
|
.hactivex1 = 924,
|
|
.vdelay = 0x1a,
|
|
.vbipack = 255,
|
|
.vtotal = 524,
|
|
.sram = -1,
|
|
.vbistart = { 10, 273 },
|
|
CROPCAP(/* minhdelayx1 */ 68,
|
|
/* hdelayx1 */ 186,
|
|
/* swidth */ 924,
|
|
/* totalwidth */ 1135,
|
|
/* sqwidth */ 944,
|
|
/* vdelay */ 0x1a,
|
|
/* sheight */ 480,
|
|
/* videostart0 */ 23)
|
|
}
|
|
};
|
|
static const unsigned int BTTV_TVNORMS = ARRAY_SIZE(bttv_tvnorms);
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* bttv format list
|
|
packed pixel formats must come first */
|
|
static const struct bttv_format formats[] = {
|
|
{
|
|
.name = "8 bpp, gray",
|
|
.fourcc = V4L2_PIX_FMT_GREY,
|
|
.btformat = BT848_COLOR_FMT_Y8,
|
|
.depth = 8,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "8 bpp, dithered color",
|
|
.fourcc = V4L2_PIX_FMT_HI240,
|
|
.btformat = BT848_COLOR_FMT_RGB8,
|
|
.depth = 8,
|
|
.flags = FORMAT_FLAGS_PACKED | FORMAT_FLAGS_DITHER,
|
|
},{
|
|
.name = "15 bpp RGB, le",
|
|
.fourcc = V4L2_PIX_FMT_RGB555,
|
|
.btformat = BT848_COLOR_FMT_RGB15,
|
|
.depth = 16,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "15 bpp RGB, be",
|
|
.fourcc = V4L2_PIX_FMT_RGB555X,
|
|
.btformat = BT848_COLOR_FMT_RGB15,
|
|
.btswap = 0x03, /* byteswap */
|
|
.depth = 16,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "16 bpp RGB, le",
|
|
.fourcc = V4L2_PIX_FMT_RGB565,
|
|
.btformat = BT848_COLOR_FMT_RGB16,
|
|
.depth = 16,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "16 bpp RGB, be",
|
|
.fourcc = V4L2_PIX_FMT_RGB565X,
|
|
.btformat = BT848_COLOR_FMT_RGB16,
|
|
.btswap = 0x03, /* byteswap */
|
|
.depth = 16,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "24 bpp RGB, le",
|
|
.fourcc = V4L2_PIX_FMT_BGR24,
|
|
.btformat = BT848_COLOR_FMT_RGB24,
|
|
.depth = 24,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "32 bpp RGB, le",
|
|
.fourcc = V4L2_PIX_FMT_BGR32,
|
|
.btformat = BT848_COLOR_FMT_RGB32,
|
|
.depth = 32,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "32 bpp RGB, be",
|
|
.fourcc = V4L2_PIX_FMT_RGB32,
|
|
.btformat = BT848_COLOR_FMT_RGB32,
|
|
.btswap = 0x0f, /* byte+word swap */
|
|
.depth = 32,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "4:2:2, packed, YUYV",
|
|
.fourcc = V4L2_PIX_FMT_YUYV,
|
|
.btformat = BT848_COLOR_FMT_YUY2,
|
|
.depth = 16,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "4:2:2, packed, YUYV",
|
|
.fourcc = V4L2_PIX_FMT_YUYV,
|
|
.btformat = BT848_COLOR_FMT_YUY2,
|
|
.depth = 16,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "4:2:2, packed, UYVY",
|
|
.fourcc = V4L2_PIX_FMT_UYVY,
|
|
.btformat = BT848_COLOR_FMT_YUY2,
|
|
.btswap = 0x03, /* byteswap */
|
|
.depth = 16,
|
|
.flags = FORMAT_FLAGS_PACKED,
|
|
},{
|
|
.name = "4:2:2, planar, Y-Cb-Cr",
|
|
.fourcc = V4L2_PIX_FMT_YUV422P,
|
|
.btformat = BT848_COLOR_FMT_YCrCb422,
|
|
.depth = 16,
|
|
.flags = FORMAT_FLAGS_PLANAR,
|
|
.hshift = 1,
|
|
.vshift = 0,
|
|
},{
|
|
.name = "4:2:0, planar, Y-Cb-Cr",
|
|
.fourcc = V4L2_PIX_FMT_YUV420,
|
|
.btformat = BT848_COLOR_FMT_YCrCb422,
|
|
.depth = 12,
|
|
.flags = FORMAT_FLAGS_PLANAR,
|
|
.hshift = 1,
|
|
.vshift = 1,
|
|
},{
|
|
.name = "4:2:0, planar, Y-Cr-Cb",
|
|
.fourcc = V4L2_PIX_FMT_YVU420,
|
|
.btformat = BT848_COLOR_FMT_YCrCb422,
|
|
.depth = 12,
|
|
.flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb,
|
|
.hshift = 1,
|
|
.vshift = 1,
|
|
},{
|
|
.name = "4:1:1, planar, Y-Cb-Cr",
|
|
.fourcc = V4L2_PIX_FMT_YUV411P,
|
|
.btformat = BT848_COLOR_FMT_YCrCb411,
|
|
.depth = 12,
|
|
.flags = FORMAT_FLAGS_PLANAR,
|
|
.hshift = 2,
|
|
.vshift = 0,
|
|
},{
|
|
.name = "4:1:0, planar, Y-Cb-Cr",
|
|
.fourcc = V4L2_PIX_FMT_YUV410,
|
|
.btformat = BT848_COLOR_FMT_YCrCb411,
|
|
.depth = 9,
|
|
.flags = FORMAT_FLAGS_PLANAR,
|
|
.hshift = 2,
|
|
.vshift = 2,
|
|
},{
|
|
.name = "4:1:0, planar, Y-Cr-Cb",
|
|
.fourcc = V4L2_PIX_FMT_YVU410,
|
|
.btformat = BT848_COLOR_FMT_YCrCb411,
|
|
.depth = 9,
|
|
.flags = FORMAT_FLAGS_PLANAR | FORMAT_FLAGS_CrCb,
|
|
.hshift = 2,
|
|
.vshift = 2,
|
|
},{
|
|
.name = "raw scanlines",
|
|
.fourcc = -1,
|
|
.btformat = BT848_COLOR_FMT_RAW,
|
|
.depth = 8,
|
|
.flags = FORMAT_FLAGS_RAW,
|
|
}
|
|
};
|
|
static const unsigned int FORMATS = ARRAY_SIZE(formats);
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
#define V4L2_CID_PRIVATE_CHROMA_AGC (V4L2_CID_PRIVATE_BASE + 0)
|
|
#define V4L2_CID_PRIVATE_COMBFILTER (V4L2_CID_PRIVATE_BASE + 1)
|
|
#define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 2)
|
|
#define V4L2_CID_PRIVATE_LUMAFILTER (V4L2_CID_PRIVATE_BASE + 3)
|
|
#define V4L2_CID_PRIVATE_AGC_CRUSH (V4L2_CID_PRIVATE_BASE + 4)
|
|
#define V4L2_CID_PRIVATE_VCR_HACK (V4L2_CID_PRIVATE_BASE + 5)
|
|
#define V4L2_CID_PRIVATE_WHITECRUSH_UPPER (V4L2_CID_PRIVATE_BASE + 6)
|
|
#define V4L2_CID_PRIVATE_WHITECRUSH_LOWER (V4L2_CID_PRIVATE_BASE + 7)
|
|
#define V4L2_CID_PRIVATE_UV_RATIO (V4L2_CID_PRIVATE_BASE + 8)
|
|
#define V4L2_CID_PRIVATE_FULL_LUMA_RANGE (V4L2_CID_PRIVATE_BASE + 9)
|
|
#define V4L2_CID_PRIVATE_CORING (V4L2_CID_PRIVATE_BASE + 10)
|
|
#define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 11)
|
|
|
|
static const struct v4l2_queryctrl no_ctl = {
|
|
.name = "42",
|
|
.flags = V4L2_CTRL_FLAG_DISABLED,
|
|
};
|
|
static const struct v4l2_queryctrl bttv_ctls[] = {
|
|
/* --- video --- */
|
|
{
|
|
.id = V4L2_CID_BRIGHTNESS,
|
|
.name = "Brightness",
|
|
.minimum = 0,
|
|
.maximum = 65535,
|
|
.step = 256,
|
|
.default_value = 32768,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_CONTRAST,
|
|
.name = "Contrast",
|
|
.minimum = 0,
|
|
.maximum = 65535,
|
|
.step = 128,
|
|
.default_value = 32768,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_SATURATION,
|
|
.name = "Saturation",
|
|
.minimum = 0,
|
|
.maximum = 65535,
|
|
.step = 128,
|
|
.default_value = 32768,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_HUE,
|
|
.name = "Hue",
|
|
.minimum = 0,
|
|
.maximum = 65535,
|
|
.step = 256,
|
|
.default_value = 32768,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},
|
|
/* --- audio --- */
|
|
{
|
|
.id = V4L2_CID_AUDIO_MUTE,
|
|
.name = "Mute",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
},{
|
|
.id = V4L2_CID_AUDIO_VOLUME,
|
|
.name = "Volume",
|
|
.minimum = 0,
|
|
.maximum = 65535,
|
|
.step = 65535/100,
|
|
.default_value = 65535,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_AUDIO_BALANCE,
|
|
.name = "Balance",
|
|
.minimum = 0,
|
|
.maximum = 65535,
|
|
.step = 65535/100,
|
|
.default_value = 32768,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_AUDIO_BASS,
|
|
.name = "Bass",
|
|
.minimum = 0,
|
|
.maximum = 65535,
|
|
.step = 65535/100,
|
|
.default_value = 32768,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_AUDIO_TREBLE,
|
|
.name = "Treble",
|
|
.minimum = 0,
|
|
.maximum = 65535,
|
|
.step = 65535/100,
|
|
.default_value = 32768,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},
|
|
/* --- private --- */
|
|
{
|
|
.id = V4L2_CID_PRIVATE_CHROMA_AGC,
|
|
.name = "chroma agc",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_COMBFILTER,
|
|
.name = "combfilter",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_AUTOMUTE,
|
|
.name = "automute",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_LUMAFILTER,
|
|
.name = "luma decimation filter",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_AGC_CRUSH,
|
|
.name = "agc crush",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_VCR_HACK,
|
|
.name = "vcr hack",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_WHITECRUSH_UPPER,
|
|
.name = "whitecrush upper",
|
|
.minimum = 0,
|
|
.maximum = 255,
|
|
.step = 1,
|
|
.default_value = 0xCF,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_WHITECRUSH_LOWER,
|
|
.name = "whitecrush lower",
|
|
.minimum = 0,
|
|
.maximum = 255,
|
|
.step = 1,
|
|
.default_value = 0x7F,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_UV_RATIO,
|
|
.name = "uv ratio",
|
|
.minimum = 0,
|
|
.maximum = 100,
|
|
.step = 1,
|
|
.default_value = 50,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_FULL_LUMA_RANGE,
|
|
.name = "full luma range",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
},{
|
|
.id = V4L2_CID_PRIVATE_CORING,
|
|
.name = "coring",
|
|
.minimum = 0,
|
|
.maximum = 3,
|
|
.step = 1,
|
|
.default_value = 0,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
}
|
|
|
|
|
|
|
|
};
|
|
|
|
static const struct v4l2_queryctrl *ctrl_by_id(int id)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(bttv_ctls); i++)
|
|
if (bttv_ctls[i].id == id)
|
|
return bttv_ctls+i;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* resource management */
|
|
|
|
/*
|
|
RESOURCE_ allocated by freed by
|
|
|
|
VIDEO_READ bttv_read 1) bttv_read 2)
|
|
|
|
VIDEO_STREAM VIDIOC_STREAMON VIDIOC_STREAMOFF
|
|
VIDIOC_QBUF 1) bttv_release
|
|
VIDIOCMCAPTURE 1)
|
|
|
|
OVERLAY VIDIOCCAPTURE on VIDIOCCAPTURE off
|
|
VIDIOC_OVERLAY on VIDIOC_OVERLAY off
|
|
3) bttv_release
|
|
|
|
VBI VIDIOC_STREAMON VIDIOC_STREAMOFF
|
|
VIDIOC_QBUF 1) bttv_release
|
|
bttv_read, bttv_poll 1) 4)
|
|
|
|
1) The resource must be allocated when we enter buffer prepare functions
|
|
and remain allocated while buffers are in the DMA queue.
|
|
2) This is a single frame read.
|
|
3) VIDIOC_S_FBUF and VIDIOC_S_FMT (OVERLAY) still work when
|
|
RESOURCE_OVERLAY is allocated.
|
|
4) This is a continuous read, implies VIDIOC_STREAMON.
|
|
|
|
Note this driver permits video input and standard changes regardless if
|
|
resources are allocated.
|
|
*/
|
|
|
|
#define VBI_RESOURCES (RESOURCE_VBI)
|
|
#define VIDEO_RESOURCES (RESOURCE_VIDEO_READ | \
|
|
RESOURCE_VIDEO_STREAM | \
|
|
RESOURCE_OVERLAY)
|
|
|
|
static
|
|
int check_alloc_btres(struct bttv *btv, struct bttv_fh *fh, int bit)
|
|
{
|
|
int xbits; /* mutual exclusive resources */
|
|
|
|
if (fh->resources & bit)
|
|
/* have it already allocated */
|
|
return 1;
|
|
|
|
xbits = bit;
|
|
if (bit & (RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM))
|
|
xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM;
|
|
|
|
/* is it free? */
|
|
mutex_lock(&btv->lock);
|
|
if (btv->resources & xbits) {
|
|
/* no, someone else uses it */
|
|
goto fail;
|
|
}
|
|
|
|
if ((bit & VIDEO_RESOURCES)
|
|
&& 0 == (btv->resources & VIDEO_RESOURCES)) {
|
|
/* Do crop - use current, don't - use default parameters. */
|
|
__s32 top = btv->crop[!!fh->do_crop].rect.top;
|
|
|
|
if (btv->vbi_end > top)
|
|
goto fail;
|
|
|
|
/* We cannot capture the same line as video and VBI data.
|
|
Claim scan lines crop[].rect.top to bottom. */
|
|
btv->crop_start = top;
|
|
} else if (bit & VBI_RESOURCES) {
|
|
__s32 end = fh->vbi_fmt.end;
|
|
|
|
if (end > btv->crop_start)
|
|
goto fail;
|
|
|
|
/* Claim scan lines above fh->vbi_fmt.end. */
|
|
btv->vbi_end = end;
|
|
}
|
|
|
|
/* it's free, grab it */
|
|
fh->resources |= bit;
|
|
btv->resources |= bit;
|
|
mutex_unlock(&btv->lock);
|
|
return 1;
|
|
|
|
fail:
|
|
mutex_unlock(&btv->lock);
|
|
return 0;
|
|
}
|
|
|
|
static
|
|
int check_btres(struct bttv_fh *fh, int bit)
|
|
{
|
|
return (fh->resources & bit);
|
|
}
|
|
|
|
static
|
|
int locked_btres(struct bttv *btv, int bit)
|
|
{
|
|
return (btv->resources & bit);
|
|
}
|
|
|
|
/* Call with btv->lock down. */
|
|
static void
|
|
disclaim_vbi_lines(struct bttv *btv)
|
|
{
|
|
btv->vbi_end = 0;
|
|
}
|
|
|
|
/* Call with btv->lock down. */
|
|
static void
|
|
disclaim_video_lines(struct bttv *btv)
|
|
{
|
|
const struct bttv_tvnorm *tvnorm;
|
|
u8 crop;
|
|
|
|
tvnorm = &bttv_tvnorms[btv->tvnorm];
|
|
btv->crop_start = tvnorm->cropcap.bounds.top
|
|
+ tvnorm->cropcap.bounds.height;
|
|
|
|
/* VBI capturing ends at VDELAY, start of video capturing, no
|
|
matter how many lines the VBI RISC program expects. When video
|
|
capturing is off, it shall no longer "preempt" VBI capturing,
|
|
so we set VDELAY to maximum. */
|
|
crop = btread(BT848_E_CROP) | 0xc0;
|
|
btwrite(crop, BT848_E_CROP);
|
|
btwrite(0xfe, BT848_E_VDELAY_LO);
|
|
btwrite(crop, BT848_O_CROP);
|
|
btwrite(0xfe, BT848_O_VDELAY_LO);
|
|
}
|
|
|
|
static
|
|
void free_btres(struct bttv *btv, struct bttv_fh *fh, int bits)
|
|
{
|
|
if ((fh->resources & bits) != bits) {
|
|
/* trying to free ressources not allocated by us ... */
|
|
printk("bttv: BUG! (btres)\n");
|
|
}
|
|
mutex_lock(&btv->lock);
|
|
fh->resources &= ~bits;
|
|
btv->resources &= ~bits;
|
|
|
|
bits = btv->resources;
|
|
|
|
if (0 == (bits & VIDEO_RESOURCES))
|
|
disclaim_video_lines(btv);
|
|
|
|
if (0 == (bits & VBI_RESOURCES))
|
|
disclaim_vbi_lines(btv);
|
|
|
|
mutex_unlock(&btv->lock);
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* If Bt848a or Bt849, use PLL for PAL/SECAM and crystal for NTSC */
|
|
|
|
/* Frequency = (F_input / PLL_X) * PLL_I.PLL_F/PLL_C
|
|
PLL_X = Reference pre-divider (0=1, 1=2)
|
|
PLL_C = Post divider (0=6, 1=4)
|
|
PLL_I = Integer input
|
|
PLL_F = Fractional input
|
|
|
|
F_input = 28.636363 MHz:
|
|
PAL (CLKx2 = 35.46895 MHz): PLL_X = 1, PLL_I = 0x0E, PLL_F = 0xDCF9, PLL_C = 0
|
|
*/
|
|
|
|
static void set_pll_freq(struct bttv *btv, unsigned int fin, unsigned int fout)
|
|
{
|
|
unsigned char fl, fh, fi;
|
|
|
|
/* prevent overflows */
|
|
fin/=4;
|
|
fout/=4;
|
|
|
|
fout*=12;
|
|
fi=fout/fin;
|
|
|
|
fout=(fout%fin)*256;
|
|
fh=fout/fin;
|
|
|
|
fout=(fout%fin)*256;
|
|
fl=fout/fin;
|
|
|
|
btwrite(fl, BT848_PLL_F_LO);
|
|
btwrite(fh, BT848_PLL_F_HI);
|
|
btwrite(fi|BT848_PLL_X, BT848_PLL_XCI);
|
|
}
|
|
|
|
static void set_pll(struct bttv *btv)
|
|
{
|
|
int i;
|
|
|
|
if (!btv->pll.pll_crystal)
|
|
return;
|
|
|
|
if (btv->pll.pll_ofreq == btv->pll.pll_current) {
|
|
dprintk("bttv%d: PLL: no change required\n",btv->c.nr);
|
|
return;
|
|
}
|
|
|
|
if (btv->pll.pll_ifreq == btv->pll.pll_ofreq) {
|
|
/* no PLL needed */
|
|
if (btv->pll.pll_current == 0)
|
|
return;
|
|
bttv_printk(KERN_INFO "bttv%d: PLL can sleep, using XTAL (%d).\n",
|
|
btv->c.nr,btv->pll.pll_ifreq);
|
|
btwrite(0x00,BT848_TGCTRL);
|
|
btwrite(0x00,BT848_PLL_XCI);
|
|
btv->pll.pll_current = 0;
|
|
return;
|
|
}
|
|
|
|
bttv_printk(KERN_INFO "bttv%d: PLL: %d => %d ",btv->c.nr,
|
|
btv->pll.pll_ifreq, btv->pll.pll_ofreq);
|
|
set_pll_freq(btv, btv->pll.pll_ifreq, btv->pll.pll_ofreq);
|
|
|
|
for (i=0; i<10; i++) {
|
|
/* Let other people run while the PLL stabilizes */
|
|
bttv_printk(".");
|
|
msleep(10);
|
|
|
|
if (btread(BT848_DSTATUS) & BT848_DSTATUS_PLOCK) {
|
|
btwrite(0,BT848_DSTATUS);
|
|
} else {
|
|
btwrite(0x08,BT848_TGCTRL);
|
|
btv->pll.pll_current = btv->pll.pll_ofreq;
|
|
bttv_printk(" ok\n");
|
|
return;
|
|
}
|
|
}
|
|
btv->pll.pll_current = -1;
|
|
bttv_printk("failed\n");
|
|
return;
|
|
}
|
|
|
|
/* used to switch between the bt848's analog/digital video capture modes */
|
|
static void bt848A_set_timing(struct bttv *btv)
|
|
{
|
|
int i, len;
|
|
int table_idx = bttv_tvnorms[btv->tvnorm].sram;
|
|
int fsc = bttv_tvnorms[btv->tvnorm].Fsc;
|
|
|
|
if (UNSET == bttv_tvcards[btv->c.type].muxsel[btv->input]) {
|
|
dprintk("bttv%d: load digital timing table (table_idx=%d)\n",
|
|
btv->c.nr,table_idx);
|
|
|
|
/* timing change...reset timing generator address */
|
|
btwrite(0x00, BT848_TGCTRL);
|
|
btwrite(0x02, BT848_TGCTRL);
|
|
btwrite(0x00, BT848_TGCTRL);
|
|
|
|
len=SRAM_Table[table_idx][0];
|
|
for(i = 1; i <= len; i++)
|
|
btwrite(SRAM_Table[table_idx][i],BT848_TGLB);
|
|
btv->pll.pll_ofreq = 27000000;
|
|
|
|
set_pll(btv);
|
|
btwrite(0x11, BT848_TGCTRL);
|
|
btwrite(0x41, BT848_DVSIF);
|
|
} else {
|
|
btv->pll.pll_ofreq = fsc;
|
|
set_pll(btv);
|
|
btwrite(0x0, BT848_DVSIF);
|
|
}
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static void bt848_bright(struct bttv *btv, int bright)
|
|
{
|
|
int value;
|
|
|
|
// printk("bttv: set bright: %d\n",bright); // DEBUG
|
|
btv->bright = bright;
|
|
|
|
/* We want -128 to 127 we get 0-65535 */
|
|
value = (bright >> 8) - 128;
|
|
btwrite(value & 0xff, BT848_BRIGHT);
|
|
}
|
|
|
|
static void bt848_hue(struct bttv *btv, int hue)
|
|
{
|
|
int value;
|
|
|
|
btv->hue = hue;
|
|
|
|
/* -128 to 127 */
|
|
value = (hue >> 8) - 128;
|
|
btwrite(value & 0xff, BT848_HUE);
|
|
}
|
|
|
|
static void bt848_contrast(struct bttv *btv, int cont)
|
|
{
|
|
int value,hibit;
|
|
|
|
btv->contrast = cont;
|
|
|
|
/* 0-511 */
|
|
value = (cont >> 7);
|
|
hibit = (value >> 6) & 4;
|
|
btwrite(value & 0xff, BT848_CONTRAST_LO);
|
|
btaor(hibit, ~4, BT848_E_CONTROL);
|
|
btaor(hibit, ~4, BT848_O_CONTROL);
|
|
}
|
|
|
|
static void bt848_sat(struct bttv *btv, int color)
|
|
{
|
|
int val_u,val_v,hibits;
|
|
|
|
btv->saturation = color;
|
|
|
|
/* 0-511 for the color */
|
|
val_u = ((color * btv->opt_uv_ratio) / 50) >> 7;
|
|
val_v = (((color * (100 - btv->opt_uv_ratio) / 50) >>7)*180L)/254;
|
|
hibits = (val_u >> 7) & 2;
|
|
hibits |= (val_v >> 8) & 1;
|
|
btwrite(val_u & 0xff, BT848_SAT_U_LO);
|
|
btwrite(val_v & 0xff, BT848_SAT_V_LO);
|
|
btaor(hibits, ~3, BT848_E_CONTROL);
|
|
btaor(hibits, ~3, BT848_O_CONTROL);
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static int
|
|
video_mux(struct bttv *btv, unsigned int input)
|
|
{
|
|
int mux,mask2;
|
|
|
|
if (input >= bttv_tvcards[btv->c.type].video_inputs)
|
|
return -EINVAL;
|
|
|
|
/* needed by RemoteVideo MX */
|
|
mask2 = bttv_tvcards[btv->c.type].gpiomask2;
|
|
if (mask2)
|
|
gpio_inout(mask2,mask2);
|
|
|
|
if (input == btv->svhs) {
|
|
btor(BT848_CONTROL_COMP, BT848_E_CONTROL);
|
|
btor(BT848_CONTROL_COMP, BT848_O_CONTROL);
|
|
} else {
|
|
btand(~BT848_CONTROL_COMP, BT848_E_CONTROL);
|
|
btand(~BT848_CONTROL_COMP, BT848_O_CONTROL);
|
|
}
|
|
mux = bttv_tvcards[btv->c.type].muxsel[input] & 3;
|
|
btaor(mux<<5, ~(3<<5), BT848_IFORM);
|
|
dprintk(KERN_DEBUG "bttv%d: video mux: input=%d mux=%d\n",
|
|
btv->c.nr,input,mux);
|
|
|
|
/* card specific hook */
|
|
if(bttv_tvcards[btv->c.type].muxsel_hook)
|
|
bttv_tvcards[btv->c.type].muxsel_hook (btv, input);
|
|
return 0;
|
|
}
|
|
|
|
static char *audio_modes[] = {
|
|
"audio: tuner", "audio: radio", "audio: extern",
|
|
"audio: intern", "audio: mute"
|
|
};
|
|
|
|
static int
|
|
audio_mux(struct bttv *btv, int input, int mute)
|
|
{
|
|
int gpio_val, signal;
|
|
struct v4l2_control ctrl;
|
|
struct i2c_client *c;
|
|
|
|
gpio_inout(bttv_tvcards[btv->c.type].gpiomask,
|
|
bttv_tvcards[btv->c.type].gpiomask);
|
|
signal = btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC;
|
|
|
|
btv->mute = mute;
|
|
btv->audio = input;
|
|
|
|
/* automute */
|
|
mute = mute || (btv->opt_automute && !signal && !btv->radio_user);
|
|
|
|
if (mute)
|
|
gpio_val = bttv_tvcards[btv->c.type].gpiomute;
|
|
else
|
|
gpio_val = bttv_tvcards[btv->c.type].gpiomux[input];
|
|
|
|
gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val);
|
|
if (bttv_gpio)
|
|
bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]);
|
|
if (in_interrupt())
|
|
return 0;
|
|
|
|
ctrl.id = V4L2_CID_AUDIO_MUTE;
|
|
ctrl.value = btv->mute;
|
|
bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, &ctrl);
|
|
c = btv->i2c_msp34xx_client;
|
|
if (c) {
|
|
struct v4l2_routing route;
|
|
|
|
/* Note: the inputs tuner/radio/extern/intern are translated
|
|
to msp routings. This assumes common behavior for all msp3400
|
|
based TV cards. When this assumption fails, then the
|
|
specific MSP routing must be added to the card table.
|
|
For now this is sufficient. */
|
|
switch (input) {
|
|
case TVAUDIO_INPUT_RADIO:
|
|
route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
|
|
MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
|
|
break;
|
|
case TVAUDIO_INPUT_EXTERN:
|
|
route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
|
|
MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
|
|
break;
|
|
case TVAUDIO_INPUT_INTERN:
|
|
/* Yes, this is the same input as for RADIO. I doubt
|
|
if this is ever used. The only board with an INTERN
|
|
input is the BTTV_BOARD_AVERMEDIA98. I wonder how
|
|
that was tested. My guess is that the whole INTERN
|
|
input does not work. */
|
|
route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
|
|
MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
|
|
break;
|
|
case TVAUDIO_INPUT_TUNER:
|
|
default:
|
|
/* This is the only card that uses TUNER2, and afaik,
|
|
is the only difference between the VOODOOTV_FM
|
|
and VOODOOTV_200 */
|
|
if (btv->c.type == BTTV_BOARD_VOODOOTV_200)
|
|
route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER2, \
|
|
MSP_DSP_IN_TUNER, MSP_DSP_IN_TUNER);
|
|
else
|
|
route.input = MSP_INPUT_DEFAULT;
|
|
break;
|
|
}
|
|
route.output = MSP_OUTPUT_DEFAULT;
|
|
c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route);
|
|
}
|
|
c = btv->i2c_tvaudio_client;
|
|
if (c) {
|
|
struct v4l2_routing route;
|
|
|
|
route.input = input;
|
|
route.output = 0;
|
|
c->driver->command(c, VIDIOC_INT_S_AUDIO_ROUTING, &route);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
audio_mute(struct bttv *btv, int mute)
|
|
{
|
|
return audio_mux(btv, btv->audio, mute);
|
|
}
|
|
|
|
static inline int
|
|
audio_input(struct bttv *btv, int input)
|
|
{
|
|
return audio_mux(btv, input, btv->mute);
|
|
}
|
|
|
|
static void
|
|
bttv_crop_calc_limits(struct bttv_crop *c)
|
|
{
|
|
/* Scale factor min. 1:1, max. 16:1. Min. image size
|
|
48 x 32. Scaled width must be a multiple of 4. */
|
|
|
|
if (1) {
|
|
/* For bug compatibility with VIDIOCGCAP and image
|
|
size checks in earlier driver versions. */
|
|
c->min_scaled_width = 48;
|
|
c->min_scaled_height = 32;
|
|
} else {
|
|
c->min_scaled_width =
|
|
(max(48, c->rect.width >> 4) + 3) & ~3;
|
|
c->min_scaled_height =
|
|
max(32, c->rect.height >> 4);
|
|
}
|
|
|
|
c->max_scaled_width = c->rect.width & ~3;
|
|
c->max_scaled_height = c->rect.height;
|
|
}
|
|
|
|
static void
|
|
bttv_crop_reset(struct bttv_crop *c, int norm)
|
|
{
|
|
c->rect = bttv_tvnorms[norm].cropcap.defrect;
|
|
bttv_crop_calc_limits(c);
|
|
}
|
|
|
|
/* Call with btv->lock down. */
|
|
static int
|
|
set_tvnorm(struct bttv *btv, unsigned int norm)
|
|
{
|
|
const struct bttv_tvnorm *tvnorm;
|
|
v4l2_std_id id;
|
|
|
|
if (norm < 0 || norm >= BTTV_TVNORMS)
|
|
return -EINVAL;
|
|
|
|
tvnorm = &bttv_tvnorms[norm];
|
|
|
|
if (btv->tvnorm < 0 ||
|
|
btv->tvnorm >= BTTV_TVNORMS ||
|
|
0 != memcmp(&bttv_tvnorms[btv->tvnorm].cropcap,
|
|
&tvnorm->cropcap,
|
|
sizeof (tvnorm->cropcap))) {
|
|
bttv_crop_reset(&btv->crop[0], norm);
|
|
btv->crop[1] = btv->crop[0]; /* current = default */
|
|
|
|
if (0 == (btv->resources & VIDEO_RESOURCES)) {
|
|
btv->crop_start = tvnorm->cropcap.bounds.top
|
|
+ tvnorm->cropcap.bounds.height;
|
|
}
|
|
}
|
|
|
|
btv->tvnorm = norm;
|
|
|
|
btwrite(tvnorm->adelay, BT848_ADELAY);
|
|
btwrite(tvnorm->bdelay, BT848_BDELAY);
|
|
btaor(tvnorm->iform,~(BT848_IFORM_NORM|BT848_IFORM_XTBOTH),
|
|
BT848_IFORM);
|
|
btwrite(tvnorm->vbipack, BT848_VBI_PACK_SIZE);
|
|
btwrite(1, BT848_VBI_PACK_DEL);
|
|
bt848A_set_timing(btv);
|
|
|
|
switch (btv->c.type) {
|
|
case BTTV_BOARD_VOODOOTV_FM:
|
|
case BTTV_BOARD_VOODOOTV_200:
|
|
bttv_tda9880_setnorm(btv,norm);
|
|
break;
|
|
}
|
|
id = tvnorm->v4l2_id;
|
|
bttv_call_i2c_clients(btv, VIDIOC_S_STD, &id);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Call with btv->lock down. */
|
|
static void
|
|
set_input(struct bttv *btv, unsigned int input, unsigned int norm)
|
|
{
|
|
unsigned long flags;
|
|
|
|
btv->input = input;
|
|
if (irq_iswitch) {
|
|
spin_lock_irqsave(&btv->s_lock,flags);
|
|
if (btv->curr.frame_irq) {
|
|
/* active capture -> delayed input switch */
|
|
btv->new_input = input;
|
|
} else {
|
|
video_mux(btv,input);
|
|
}
|
|
spin_unlock_irqrestore(&btv->s_lock,flags);
|
|
} else {
|
|
video_mux(btv,input);
|
|
}
|
|
audio_input(btv,(input == bttv_tvcards[btv->c.type].tuner ?
|
|
TVAUDIO_INPUT_TUNER : TVAUDIO_INPUT_EXTERN));
|
|
set_tvnorm(btv, norm);
|
|
}
|
|
|
|
static void init_irqreg(struct bttv *btv)
|
|
{
|
|
/* clear status */
|
|
btwrite(0xfffffUL, BT848_INT_STAT);
|
|
|
|
if (bttv_tvcards[btv->c.type].no_video) {
|
|
/* i2c only */
|
|
btwrite(BT848_INT_I2CDONE,
|
|
BT848_INT_MASK);
|
|
} else {
|
|
/* full video */
|
|
btwrite((btv->triton1) |
|
|
(btv->gpioirq ? BT848_INT_GPINT : 0) |
|
|
BT848_INT_SCERR |
|
|
(fdsr ? BT848_INT_FDSR : 0) |
|
|
BT848_INT_RISCI|BT848_INT_OCERR|BT848_INT_VPRES|
|
|
BT848_INT_FMTCHG|BT848_INT_HLOCK|
|
|
BT848_INT_I2CDONE,
|
|
BT848_INT_MASK);
|
|
}
|
|
}
|
|
|
|
static void init_bt848(struct bttv *btv)
|
|
{
|
|
int val;
|
|
|
|
if (bttv_tvcards[btv->c.type].no_video) {
|
|
/* very basic init only */
|
|
init_irqreg(btv);
|
|
return;
|
|
}
|
|
|
|
btwrite(0x00, BT848_CAP_CTL);
|
|
btwrite(BT848_COLOR_CTL_GAMMA, BT848_COLOR_CTL);
|
|
btwrite(BT848_IFORM_XTAUTO | BT848_IFORM_AUTO, BT848_IFORM);
|
|
|
|
/* set planar and packed mode trigger points and */
|
|
/* set rising edge of inverted GPINTR pin as irq trigger */
|
|
btwrite(BT848_GPIO_DMA_CTL_PKTP_32|
|
|
BT848_GPIO_DMA_CTL_PLTP1_16|
|
|
BT848_GPIO_DMA_CTL_PLTP23_16|
|
|
BT848_GPIO_DMA_CTL_GPINTC|
|
|
BT848_GPIO_DMA_CTL_GPINTI,
|
|
BT848_GPIO_DMA_CTL);
|
|
|
|
val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0;
|
|
btwrite(val, BT848_E_SCLOOP);
|
|
btwrite(val, BT848_O_SCLOOP);
|
|
|
|
btwrite(0x20, BT848_E_VSCALE_HI);
|
|
btwrite(0x20, BT848_O_VSCALE_HI);
|
|
btwrite(BT848_ADC_RESERVED | (btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
|
|
BT848_ADC);
|
|
|
|
btwrite(whitecrush_upper, BT848_WC_UP);
|
|
btwrite(whitecrush_lower, BT848_WC_DOWN);
|
|
|
|
if (btv->opt_lumafilter) {
|
|
btwrite(0, BT848_E_CONTROL);
|
|
btwrite(0, BT848_O_CONTROL);
|
|
} else {
|
|
btwrite(BT848_CONTROL_LDEC, BT848_E_CONTROL);
|
|
btwrite(BT848_CONTROL_LDEC, BT848_O_CONTROL);
|
|
}
|
|
|
|
bt848_bright(btv, btv->bright);
|
|
bt848_hue(btv, btv->hue);
|
|
bt848_contrast(btv, btv->contrast);
|
|
bt848_sat(btv, btv->saturation);
|
|
|
|
/* interrupt */
|
|
init_irqreg(btv);
|
|
}
|
|
|
|
static void bttv_reinit_bt848(struct bttv *btv)
|
|
{
|
|
unsigned long flags;
|
|
|
|
if (bttv_verbose)
|
|
printk(KERN_INFO "bttv%d: reset, reinitialize\n",btv->c.nr);
|
|
spin_lock_irqsave(&btv->s_lock,flags);
|
|
btv->errors=0;
|
|
bttv_set_dma(btv,0);
|
|
spin_unlock_irqrestore(&btv->s_lock,flags);
|
|
|
|
init_bt848(btv);
|
|
btv->pll.pll_current = -1;
|
|
set_input(btv, btv->input, btv->tvnorm);
|
|
}
|
|
|
|
static int bttv_g_ctrl(struct file *file, void *priv,
|
|
struct v4l2_control *c)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
switch (c->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
c->value = btv->bright;
|
|
break;
|
|
case V4L2_CID_HUE:
|
|
c->value = btv->hue;
|
|
break;
|
|
case V4L2_CID_CONTRAST:
|
|
c->value = btv->contrast;
|
|
break;
|
|
case V4L2_CID_SATURATION:
|
|
c->value = btv->saturation;
|
|
break;
|
|
|
|
case V4L2_CID_AUDIO_MUTE:
|
|
case V4L2_CID_AUDIO_VOLUME:
|
|
case V4L2_CID_AUDIO_BALANCE:
|
|
case V4L2_CID_AUDIO_BASS:
|
|
case V4L2_CID_AUDIO_TREBLE:
|
|
bttv_call_i2c_clients(btv, VIDIOC_G_CTRL, c);
|
|
break;
|
|
|
|
case V4L2_CID_PRIVATE_CHROMA_AGC:
|
|
c->value = btv->opt_chroma_agc;
|
|
break;
|
|
case V4L2_CID_PRIVATE_COMBFILTER:
|
|
c->value = btv->opt_combfilter;
|
|
break;
|
|
case V4L2_CID_PRIVATE_LUMAFILTER:
|
|
c->value = btv->opt_lumafilter;
|
|
break;
|
|
case V4L2_CID_PRIVATE_AUTOMUTE:
|
|
c->value = btv->opt_automute;
|
|
break;
|
|
case V4L2_CID_PRIVATE_AGC_CRUSH:
|
|
c->value = btv->opt_adc_crush;
|
|
break;
|
|
case V4L2_CID_PRIVATE_VCR_HACK:
|
|
c->value = btv->opt_vcr_hack;
|
|
break;
|
|
case V4L2_CID_PRIVATE_WHITECRUSH_UPPER:
|
|
c->value = btv->opt_whitecrush_upper;
|
|
break;
|
|
case V4L2_CID_PRIVATE_WHITECRUSH_LOWER:
|
|
c->value = btv->opt_whitecrush_lower;
|
|
break;
|
|
case V4L2_CID_PRIVATE_UV_RATIO:
|
|
c->value = btv->opt_uv_ratio;
|
|
break;
|
|
case V4L2_CID_PRIVATE_FULL_LUMA_RANGE:
|
|
c->value = btv->opt_full_luma_range;
|
|
break;
|
|
case V4L2_CID_PRIVATE_CORING:
|
|
c->value = btv->opt_coring;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_ctrl(struct file *file, void *f,
|
|
struct v4l2_control *c)
|
|
{
|
|
int err;
|
|
int val;
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
err = v4l2_prio_check(&btv->prio, &fh->prio);
|
|
if (0 != err)
|
|
return err;
|
|
|
|
switch (c->id) {
|
|
case V4L2_CID_BRIGHTNESS:
|
|
bt848_bright(btv, c->value);
|
|
break;
|
|
case V4L2_CID_HUE:
|
|
bt848_hue(btv, c->value);
|
|
break;
|
|
case V4L2_CID_CONTRAST:
|
|
bt848_contrast(btv, c->value);
|
|
break;
|
|
case V4L2_CID_SATURATION:
|
|
bt848_sat(btv, c->value);
|
|
break;
|
|
case V4L2_CID_AUDIO_MUTE:
|
|
audio_mute(btv, c->value);
|
|
/* fall through */
|
|
case V4L2_CID_AUDIO_VOLUME:
|
|
if (btv->volume_gpio)
|
|
btv->volume_gpio(btv, c->value);
|
|
|
|
bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, c);
|
|
break;
|
|
case V4L2_CID_AUDIO_BALANCE:
|
|
case V4L2_CID_AUDIO_BASS:
|
|
case V4L2_CID_AUDIO_TREBLE:
|
|
bttv_call_i2c_clients(btv, VIDIOC_S_CTRL, c);
|
|
break;
|
|
|
|
case V4L2_CID_PRIVATE_CHROMA_AGC:
|
|
btv->opt_chroma_agc = c->value;
|
|
val = btv->opt_chroma_agc ? BT848_SCLOOP_CAGC : 0;
|
|
btwrite(val, BT848_E_SCLOOP);
|
|
btwrite(val, BT848_O_SCLOOP);
|
|
break;
|
|
case V4L2_CID_PRIVATE_COMBFILTER:
|
|
btv->opt_combfilter = c->value;
|
|
break;
|
|
case V4L2_CID_PRIVATE_LUMAFILTER:
|
|
btv->opt_lumafilter = c->value;
|
|
if (btv->opt_lumafilter) {
|
|
btand(~BT848_CONTROL_LDEC, BT848_E_CONTROL);
|
|
btand(~BT848_CONTROL_LDEC, BT848_O_CONTROL);
|
|
} else {
|
|
btor(BT848_CONTROL_LDEC, BT848_E_CONTROL);
|
|
btor(BT848_CONTROL_LDEC, BT848_O_CONTROL);
|
|
}
|
|
break;
|
|
case V4L2_CID_PRIVATE_AUTOMUTE:
|
|
btv->opt_automute = c->value;
|
|
break;
|
|
case V4L2_CID_PRIVATE_AGC_CRUSH:
|
|
btv->opt_adc_crush = c->value;
|
|
btwrite(BT848_ADC_RESERVED |
|
|
(btv->opt_adc_crush ? BT848_ADC_CRUSH : 0),
|
|
BT848_ADC);
|
|
break;
|
|
case V4L2_CID_PRIVATE_VCR_HACK:
|
|
btv->opt_vcr_hack = c->value;
|
|
break;
|
|
case V4L2_CID_PRIVATE_WHITECRUSH_UPPER:
|
|
btv->opt_whitecrush_upper = c->value;
|
|
btwrite(c->value, BT848_WC_UP);
|
|
break;
|
|
case V4L2_CID_PRIVATE_WHITECRUSH_LOWER:
|
|
btv->opt_whitecrush_lower = c->value;
|
|
btwrite(c->value, BT848_WC_DOWN);
|
|
break;
|
|
case V4L2_CID_PRIVATE_UV_RATIO:
|
|
btv->opt_uv_ratio = c->value;
|
|
bt848_sat(btv, btv->saturation);
|
|
break;
|
|
case V4L2_CID_PRIVATE_FULL_LUMA_RANGE:
|
|
btv->opt_full_luma_range = c->value;
|
|
btaor((c->value<<7), ~BT848_OFORM_RANGE, BT848_OFORM);
|
|
break;
|
|
case V4L2_CID_PRIVATE_CORING:
|
|
btv->opt_coring = c->value;
|
|
btaor((c->value<<5), ~BT848_OFORM_CORE32, BT848_OFORM);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
void bttv_gpio_tracking(struct bttv *btv, char *comment)
|
|
{
|
|
unsigned int outbits, data;
|
|
outbits = btread(BT848_GPIO_OUT_EN);
|
|
data = btread(BT848_GPIO_DATA);
|
|
printk(KERN_DEBUG "bttv%d: gpio: en=%08x, out=%08x in=%08x [%s]\n",
|
|
btv->c.nr,outbits,data & outbits, data & ~outbits, comment);
|
|
}
|
|
|
|
static void bttv_field_count(struct bttv *btv)
|
|
{
|
|
int need_count = 0;
|
|
|
|
if (btv->users)
|
|
need_count++;
|
|
|
|
if (need_count) {
|
|
/* start field counter */
|
|
btor(BT848_INT_VSYNC,BT848_INT_MASK);
|
|
} else {
|
|
/* stop field counter */
|
|
btand(~BT848_INT_VSYNC,BT848_INT_MASK);
|
|
btv->field_count = 0;
|
|
}
|
|
}
|
|
|
|
static const struct bttv_format*
|
|
format_by_fourcc(int fourcc)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < FORMATS; i++) {
|
|
if (-1 == formats[i].fourcc)
|
|
continue;
|
|
if (formats[i].fourcc == fourcc)
|
|
return formats+i;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* misc helpers */
|
|
|
|
static int
|
|
bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
|
|
struct bttv_buffer *new)
|
|
{
|
|
struct bttv_buffer *old;
|
|
unsigned long flags;
|
|
int retval = 0;
|
|
|
|
dprintk("switch_overlay: enter [new=%p]\n",new);
|
|
if (new)
|
|
new->vb.state = VIDEOBUF_DONE;
|
|
spin_lock_irqsave(&btv->s_lock,flags);
|
|
old = btv->screen;
|
|
btv->screen = new;
|
|
btv->loop_irq |= 1;
|
|
bttv_set_dma(btv, 0x03);
|
|
spin_unlock_irqrestore(&btv->s_lock,flags);
|
|
if (NULL != old) {
|
|
dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state);
|
|
bttv_dma_free(&fh->cap,btv, old);
|
|
kfree(old);
|
|
}
|
|
if (NULL == new)
|
|
free_btres(btv,fh,RESOURCE_OVERLAY);
|
|
dprintk("switch_overlay: done\n");
|
|
return retval;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* video4linux (1) interface */
|
|
|
|
static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv,
|
|
struct bttv_buffer *buf,
|
|
const struct bttv_format *fmt,
|
|
unsigned int width, unsigned int height,
|
|
enum v4l2_field field)
|
|
{
|
|
struct bttv_fh *fh = q->priv_data;
|
|
int redo_dma_risc = 0;
|
|
struct bttv_crop c;
|
|
int norm;
|
|
int rc;
|
|
|
|
/* check settings */
|
|
if (NULL == fmt)
|
|
return -EINVAL;
|
|
if (fmt->btformat == BT848_COLOR_FMT_RAW) {
|
|
width = RAW_BPL;
|
|
height = RAW_LINES*2;
|
|
if (width*height > buf->vb.bsize)
|
|
return -EINVAL;
|
|
buf->vb.size = buf->vb.bsize;
|
|
|
|
/* Make sure tvnorm and vbi_end remain consistent
|
|
until we're done. */
|
|
mutex_lock(&btv->lock);
|
|
|
|
norm = btv->tvnorm;
|
|
|
|
/* In this mode capturing always starts at defrect.top
|
|
(default VDELAY), ignoring cropping parameters. */
|
|
if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) {
|
|
mutex_unlock(&btv->lock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_unlock(&btv->lock);
|
|
|
|
c.rect = bttv_tvnorms[norm].cropcap.defrect;
|
|
} else {
|
|
mutex_lock(&btv->lock);
|
|
|
|
norm = btv->tvnorm;
|
|
c = btv->crop[!!fh->do_crop];
|
|
|
|
mutex_unlock(&btv->lock);
|
|
|
|
if (width < c.min_scaled_width ||
|
|
width > c.max_scaled_width ||
|
|
height < c.min_scaled_height)
|
|
return -EINVAL;
|
|
|
|
switch (field) {
|
|
case V4L2_FIELD_TOP:
|
|
case V4L2_FIELD_BOTTOM:
|
|
case V4L2_FIELD_ALTERNATE:
|
|
/* btv->crop counts frame lines. Max. scale
|
|
factor is 16:1 for frames, 8:1 for fields. */
|
|
if (height * 2 > c.max_scaled_height)
|
|
return -EINVAL;
|
|
break;
|
|
|
|
default:
|
|
if (height > c.max_scaled_height)
|
|
return -EINVAL;
|
|
break;
|
|
}
|
|
|
|
buf->vb.size = (width * height * fmt->depth) >> 3;
|
|
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* alloc + fill struct bttv_buffer (if changed) */
|
|
if (buf->vb.width != width || buf->vb.height != height ||
|
|
buf->vb.field != field ||
|
|
buf->tvnorm != norm || buf->fmt != fmt ||
|
|
buf->crop.top != c.rect.top ||
|
|
buf->crop.left != c.rect.left ||
|
|
buf->crop.width != c.rect.width ||
|
|
buf->crop.height != c.rect.height) {
|
|
buf->vb.width = width;
|
|
buf->vb.height = height;
|
|
buf->vb.field = field;
|
|
buf->tvnorm = norm;
|
|
buf->fmt = fmt;
|
|
buf->crop = c.rect;
|
|
redo_dma_risc = 1;
|
|
}
|
|
|
|
/* alloc risc memory */
|
|
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
|
|
redo_dma_risc = 1;
|
|
if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf)))
|
|
goto fail;
|
|
}
|
|
|
|
if (redo_dma_risc)
|
|
if (0 != (rc = bttv_buffer_risc(btv,buf)))
|
|
goto fail;
|
|
|
|
buf->vb.state = VIDEOBUF_PREPARED;
|
|
return 0;
|
|
|
|
fail:
|
|
bttv_dma_free(q,btv,buf);
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size)
|
|
{
|
|
struct bttv_fh *fh = q->priv_data;
|
|
|
|
*size = fh->fmt->depth*fh->width*fh->height >> 3;
|
|
if (0 == *count)
|
|
*count = gbuffers;
|
|
while (*size * *count > gbuffers * gbufsize)
|
|
(*count)--;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
|
|
enum v4l2_field field)
|
|
{
|
|
struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
|
|
struct bttv_fh *fh = q->priv_data;
|
|
|
|
return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt,
|
|
fh->width, fh->height, field);
|
|
}
|
|
|
|
static void
|
|
buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
|
|
{
|
|
struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
|
|
struct bttv_fh *fh = q->priv_data;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
buf->vb.state = VIDEOBUF_QUEUED;
|
|
list_add_tail(&buf->vb.queue,&btv->capture);
|
|
if (!btv->curr.frame_irq) {
|
|
btv->loop_irq |= 1;
|
|
bttv_set_dma(btv, 0x03);
|
|
}
|
|
}
|
|
|
|
static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
|
|
{
|
|
struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb);
|
|
struct bttv_fh *fh = q->priv_data;
|
|
|
|
bttv_dma_free(q,fh->btv,buf);
|
|
}
|
|
|
|
static struct videobuf_queue_ops bttv_video_qops = {
|
|
.buf_setup = buffer_setup,
|
|
.buf_prepare = buffer_prepare,
|
|
.buf_queue = buffer_queue,
|
|
.buf_release = buffer_release,
|
|
};
|
|
|
|
static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
unsigned int i;
|
|
int err;
|
|
|
|
err = v4l2_prio_check(&btv->prio, &fh->prio);
|
|
if (0 != err)
|
|
return err;
|
|
|
|
for (i = 0; i < BTTV_TVNORMS; i++)
|
|
if (*id & bttv_tvnorms[i].v4l2_id)
|
|
break;
|
|
if (i == BTTV_TVNORMS)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&btv->lock);
|
|
set_tvnorm(btv, i);
|
|
mutex_unlock(&btv->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_querystd(struct file *file, void *f, v4l2_std_id *id)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (btread(BT848_DSTATUS) & BT848_DSTATUS_NUML)
|
|
*id = V4L2_STD_625_50;
|
|
else
|
|
*id = V4L2_STD_525_60;
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_enum_input(struct file *file, void *priv,
|
|
struct v4l2_input *i)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
unsigned int n;
|
|
|
|
n = i->index;
|
|
|
|
if (n >= bttv_tvcards[btv->c.type].video_inputs)
|
|
return -EINVAL;
|
|
|
|
memset(i, 0, sizeof(*i));
|
|
|
|
i->index = n;
|
|
i->type = V4L2_INPUT_TYPE_CAMERA;
|
|
i->audioset = 1;
|
|
|
|
if (i->index == bttv_tvcards[btv->c.type].tuner) {
|
|
sprintf(i->name, "Television");
|
|
i->type = V4L2_INPUT_TYPE_TUNER;
|
|
i->tuner = 0;
|
|
} else if (i->index == btv->svhs) {
|
|
sprintf(i->name, "S-Video");
|
|
} else {
|
|
sprintf(i->name, "Composite%d", i->index);
|
|
}
|
|
|
|
if (i->index == btv->input) {
|
|
__u32 dstatus = btread(BT848_DSTATUS);
|
|
if (0 == (dstatus & BT848_DSTATUS_PRES))
|
|
i->status |= V4L2_IN_ST_NO_SIGNAL;
|
|
if (0 == (dstatus & BT848_DSTATUS_HLOC))
|
|
i->status |= V4L2_IN_ST_NO_H_LOCK;
|
|
}
|
|
|
|
for (n = 0; n < BTTV_TVNORMS; n++)
|
|
i->std |= bttv_tvnorms[n].v4l2_id;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_input(struct file *file, void *priv, unsigned int *i)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
*i = btv->input;
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_input(struct file *file, void *priv, unsigned int i)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
int err;
|
|
|
|
err = v4l2_prio_check(&btv->prio, &fh->prio);
|
|
if (0 != err)
|
|
return err;
|
|
|
|
if (i > bttv_tvcards[btv->c.type].video_inputs)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&btv->lock);
|
|
set_input(btv, i, btv->tvnorm);
|
|
mutex_unlock(&btv->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_tuner(struct file *file, void *priv,
|
|
struct v4l2_tuner *t)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
int err;
|
|
|
|
err = v4l2_prio_check(&btv->prio, &fh->prio);
|
|
if (0 != err)
|
|
return err;
|
|
|
|
if (UNSET == bttv_tvcards[btv->c.type].tuner)
|
|
return -EINVAL;
|
|
|
|
if (0 != t->index)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&btv->lock);
|
|
bttv_call_i2c_clients(btv, VIDIOC_S_TUNER, t);
|
|
|
|
if (btv->audio_mode_gpio)
|
|
btv->audio_mode_gpio(btv, t, 1);
|
|
|
|
mutex_unlock(&btv->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_frequency(struct file *file, void *priv,
|
|
struct v4l2_frequency *f)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
int err;
|
|
|
|
err = v4l2_prio_check(&btv->prio, &fh->prio);
|
|
if (0 != err)
|
|
return err;
|
|
|
|
f->type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
|
|
f->frequency = btv->freq;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_frequency(struct file *file, void *priv,
|
|
struct v4l2_frequency *f)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
int err;
|
|
|
|
err = v4l2_prio_check(&btv->prio, &fh->prio);
|
|
if (0 != err)
|
|
return err;
|
|
|
|
if (unlikely(f->tuner != 0))
|
|
return -EINVAL;
|
|
if (unlikely(f->type != (btv->radio_user
|
|
? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV)))
|
|
return -EINVAL;
|
|
mutex_lock(&btv->lock);
|
|
btv->freq = f->frequency;
|
|
bttv_call_i2c_clients(btv, VIDIOC_S_FREQUENCY, f);
|
|
if (btv->has_matchbox && btv->radio_user)
|
|
tea5757_set_freq(btv, btv->freq);
|
|
mutex_unlock(&btv->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_log_status(struct file *file, void *f)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
printk(KERN_INFO "bttv%d: ======== START STATUS CARD #%d ========\n",
|
|
btv->c.nr, btv->c.nr);
|
|
bttv_call_i2c_clients(btv, VIDIOC_LOG_STATUS, NULL);
|
|
printk(KERN_INFO "bttv%d: ======== END STATUS CARD #%d ========\n",
|
|
btv->c.nr, btv->c.nr);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
static int bttv_g_register(struct file *file, void *f,
|
|
struct v4l2_register *reg)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (!capable(CAP_SYS_ADMIN))
|
|
return -EPERM;
|
|
|
|
if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
|
|
return -EINVAL;
|
|
|
|
/* bt848 has a 12-bit register space */
|
|
reg->reg &= 0xfff;
|
|
reg->val = btread(reg->reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_register(struct file *file, void *f,
|
|
struct v4l2_register *reg)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (!capable(CAP_SYS_ADMIN))
|
|
return -EPERM;
|
|
|
|
if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
|
|
return -EINVAL;
|
|
|
|
/* bt848 has a 12-bit register space */
|
|
reg->reg &= 0xfff;
|
|
btwrite(reg->val, reg->reg);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* Given cropping boundaries b and the scaled width and height of a
|
|
single field or frame, which must not exceed hardware limits, this
|
|
function adjusts the cropping parameters c. */
|
|
static void
|
|
bttv_crop_adjust (struct bttv_crop * c,
|
|
const struct v4l2_rect * b,
|
|
__s32 width,
|
|
__s32 height,
|
|
enum v4l2_field field)
|
|
{
|
|
__s32 frame_height = height << !V4L2_FIELD_HAS_BOTH(field);
|
|
__s32 max_left;
|
|
__s32 max_top;
|
|
|
|
if (width < c->min_scaled_width) {
|
|
/* Max. hor. scale factor 16:1. */
|
|
c->rect.width = width * 16;
|
|
} else if (width > c->max_scaled_width) {
|
|
/* Min. hor. scale factor 1:1. */
|
|
c->rect.width = width;
|
|
|
|
max_left = b->left + b->width - width;
|
|
max_left = min(max_left, (__s32) MAX_HDELAY);
|
|
if (c->rect.left > max_left)
|
|
c->rect.left = max_left;
|
|
}
|
|
|
|
if (height < c->min_scaled_height) {
|
|
/* Max. vert. scale factor 16:1, single fields 8:1. */
|
|
c->rect.height = height * 16;
|
|
} else if (frame_height > c->max_scaled_height) {
|
|
/* Min. vert. scale factor 1:1.
|
|
Top and height count field lines times two. */
|
|
c->rect.height = (frame_height + 1) & ~1;
|
|
|
|
max_top = b->top + b->height - c->rect.height;
|
|
if (c->rect.top > max_top)
|
|
c->rect.top = max_top;
|
|
}
|
|
|
|
bttv_crop_calc_limits(c);
|
|
}
|
|
|
|
/* Returns an error if scaling to a frame or single field with the given
|
|
width and height is not possible with the current cropping parameters
|
|
and width aligned according to width_mask. If adjust_size is TRUE the
|
|
function may adjust the width and/or height instead, rounding width
|
|
to (width + width_bias) & width_mask. If adjust_crop is TRUE it may
|
|
also adjust the current cropping parameters to get closer to the
|
|
desired image size. */
|
|
static int
|
|
limit_scaled_size (struct bttv_fh * fh,
|
|
__s32 * width,
|
|
__s32 * height,
|
|
enum v4l2_field field,
|
|
unsigned int width_mask,
|
|
unsigned int width_bias,
|
|
int adjust_size,
|
|
int adjust_crop)
|
|
{
|
|
struct bttv *btv = fh->btv;
|
|
const struct v4l2_rect *b;
|
|
struct bttv_crop *c;
|
|
__s32 min_width;
|
|
__s32 min_height;
|
|
__s32 max_width;
|
|
__s32 max_height;
|
|
int rc;
|
|
|
|
BUG_ON((int) width_mask >= 0 ||
|
|
width_bias >= (unsigned int) -width_mask);
|
|
|
|
/* Make sure tvnorm, vbi_end and the current cropping parameters
|
|
remain consistent until we're done. */
|
|
mutex_lock(&btv->lock);
|
|
|
|
b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
|
|
|
|
/* Do crop - use current, don't - use default parameters. */
|
|
c = &btv->crop[!!fh->do_crop];
|
|
|
|
if (fh->do_crop
|
|
&& adjust_size
|
|
&& adjust_crop
|
|
&& !locked_btres(btv, VIDEO_RESOURCES)) {
|
|
min_width = 48;
|
|
min_height = 32;
|
|
|
|
/* We cannot scale up. When the scaled image is larger
|
|
than crop.rect we adjust the crop.rect as required
|
|
by the V4L2 spec, hence cropcap.bounds are our limit. */
|
|
max_width = min(b->width, (__s32) MAX_HACTIVE);
|
|
max_height = b->height;
|
|
|
|
/* We cannot capture the same line as video and VBI data.
|
|
Note btv->vbi_end is really a minimum, see
|
|
bttv_vbi_try_fmt(). */
|
|
if (btv->vbi_end > b->top) {
|
|
max_height -= btv->vbi_end - b->top;
|
|
rc = -EBUSY;
|
|
if (min_height > max_height)
|
|
goto fail;
|
|
}
|
|
} else {
|
|
rc = -EBUSY;
|
|
if (btv->vbi_end > c->rect.top)
|
|
goto fail;
|
|
|
|
min_width = c->min_scaled_width;
|
|
min_height = c->min_scaled_height;
|
|
max_width = c->max_scaled_width;
|
|
max_height = c->max_scaled_height;
|
|
|
|
adjust_crop = 0;
|
|
}
|
|
|
|
min_width = (min_width - width_mask - 1) & width_mask;
|
|
max_width = max_width & width_mask;
|
|
|
|
/* Max. scale factor is 16:1 for frames, 8:1 for fields. */
|
|
min_height = min_height;
|
|
/* Min. scale factor is 1:1. */
|
|
max_height >>= !V4L2_FIELD_HAS_BOTH(field);
|
|
|
|
if (adjust_size) {
|
|
*width = clamp(*width, min_width, max_width);
|
|
*height = clamp(*height, min_height, max_height);
|
|
|
|
/* Round after clamping to avoid overflow. */
|
|
*width = (*width + width_bias) & width_mask;
|
|
|
|
if (adjust_crop) {
|
|
bttv_crop_adjust(c, b, *width, *height, field);
|
|
|
|
if (btv->vbi_end > c->rect.top) {
|
|
/* Move the crop window out of the way. */
|
|
c->rect.top = btv->vbi_end;
|
|
}
|
|
}
|
|
} else {
|
|
rc = -EINVAL;
|
|
if (*width < min_width ||
|
|
*height < min_height ||
|
|
*width > max_width ||
|
|
*height > max_height ||
|
|
0 != (*width & ~width_mask))
|
|
goto fail;
|
|
}
|
|
|
|
rc = 0; /* success */
|
|
|
|
fail:
|
|
mutex_unlock(&btv->lock);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/* Returns an error if the given overlay window dimensions are not
|
|
possible with the current cropping parameters. If adjust_size is
|
|
TRUE the function may adjust the window width and/or height
|
|
instead, however it always rounds the horizontal position and
|
|
width as btcx_align() does. If adjust_crop is TRUE the function
|
|
may also adjust the current cropping parameters to get closer
|
|
to the desired window size. */
|
|
static int
|
|
verify_window (struct bttv_fh * fh,
|
|
struct v4l2_window * win,
|
|
int adjust_size,
|
|
int adjust_crop)
|
|
{
|
|
enum v4l2_field field;
|
|
unsigned int width_mask;
|
|
int rc;
|
|
|
|
if (win->w.width < 48 || win->w.height < 32)
|
|
return -EINVAL;
|
|
if (win->clipcount > 2048)
|
|
return -EINVAL;
|
|
|
|
field = win->field;
|
|
|
|
if (V4L2_FIELD_ANY == field) {
|
|
__s32 height2;
|
|
|
|
height2 = fh->btv->crop[!!fh->do_crop].rect.height >> 1;
|
|
field = (win->w.height > height2)
|
|
? V4L2_FIELD_INTERLACED
|
|
: V4L2_FIELD_TOP;
|
|
}
|
|
switch (field) {
|
|
case V4L2_FIELD_TOP:
|
|
case V4L2_FIELD_BOTTOM:
|
|
case V4L2_FIELD_INTERLACED:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* 4-byte alignment. */
|
|
if (NULL == fh->ovfmt)
|
|
return -EINVAL;
|
|
width_mask = ~0;
|
|
switch (fh->ovfmt->depth) {
|
|
case 8:
|
|
case 24:
|
|
width_mask = ~3;
|
|
break;
|
|
case 16:
|
|
width_mask = ~1;
|
|
break;
|
|
case 32:
|
|
break;
|
|
default:
|
|
BUG();
|
|
}
|
|
|
|
win->w.width -= win->w.left & ~width_mask;
|
|
win->w.left = (win->w.left - width_mask - 1) & width_mask;
|
|
|
|
rc = limit_scaled_size(fh, &win->w.width, &win->w.height,
|
|
field, width_mask,
|
|
/* width_bias: round down */ 0,
|
|
adjust_size, adjust_crop);
|
|
if (0 != rc)
|
|
return rc;
|
|
|
|
win->field = field;
|
|
return 0;
|
|
}
|
|
|
|
static int setup_window(struct bttv_fh *fh, struct bttv *btv,
|
|
struct v4l2_window *win, int fixup)
|
|
{
|
|
struct v4l2_clip *clips = NULL;
|
|
int n,size,retval = 0;
|
|
|
|
if (NULL == fh->ovfmt)
|
|
return -EINVAL;
|
|
if (!(fh->ovfmt->flags & FORMAT_FLAGS_PACKED))
|
|
return -EINVAL;
|
|
retval = verify_window(fh, win,
|
|
/* adjust_size */ fixup,
|
|
/* adjust_crop */ fixup);
|
|
if (0 != retval)
|
|
return retval;
|
|
|
|
/* copy clips -- luckily v4l1 + v4l2 are binary
|
|
compatible here ...*/
|
|
n = win->clipcount;
|
|
size = sizeof(*clips)*(n+4);
|
|
clips = kmalloc(size,GFP_KERNEL);
|
|
if (NULL == clips)
|
|
return -ENOMEM;
|
|
if (n > 0) {
|
|
if (copy_from_user(clips,win->clips,sizeof(struct v4l2_clip)*n)) {
|
|
kfree(clips);
|
|
return -EFAULT;
|
|
}
|
|
}
|
|
/* clip against screen */
|
|
if (NULL != btv->fbuf.base)
|
|
n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height,
|
|
&win->w, clips, n);
|
|
btcx_sort_clips(clips,n);
|
|
|
|
/* 4-byte alignments */
|
|
switch (fh->ovfmt->depth) {
|
|
case 8:
|
|
case 24:
|
|
btcx_align(&win->w, clips, n, 3);
|
|
break;
|
|
case 16:
|
|
btcx_align(&win->w, clips, n, 1);
|
|
break;
|
|
case 32:
|
|
/* no alignment fixups needed */
|
|
break;
|
|
default:
|
|
BUG();
|
|
}
|
|
|
|
mutex_lock(&fh->cap.vb_lock);
|
|
kfree(fh->ov.clips);
|
|
fh->ov.clips = clips;
|
|
fh->ov.nclips = n;
|
|
|
|
fh->ov.w = win->w;
|
|
fh->ov.field = win->field;
|
|
fh->ov.setup_ok = 1;
|
|
btv->init.ov.w.width = win->w.width;
|
|
btv->init.ov.w.height = win->w.height;
|
|
btv->init.ov.field = win->field;
|
|
|
|
/* update overlay if needed */
|
|
retval = 0;
|
|
if (check_btres(fh, RESOURCE_OVERLAY)) {
|
|
struct bttv_buffer *new;
|
|
|
|
new = videobuf_sg_alloc(sizeof(*new));
|
|
new->crop = btv->crop[!!fh->do_crop].rect;
|
|
bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
|
|
retval = bttv_switch_overlay(btv,fh,new);
|
|
}
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
return retval;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static struct videobuf_queue* bttv_queue(struct bttv_fh *fh)
|
|
{
|
|
struct videobuf_queue* q = NULL;
|
|
|
|
switch (fh->type) {
|
|
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
|
|
q = &fh->cap;
|
|
break;
|
|
case V4L2_BUF_TYPE_VBI_CAPTURE:
|
|
q = &fh->vbi;
|
|
break;
|
|
default:
|
|
BUG();
|
|
}
|
|
return q;
|
|
}
|
|
|
|
static int bttv_resource(struct bttv_fh *fh)
|
|
{
|
|
int res = 0;
|
|
|
|
switch (fh->type) {
|
|
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
|
|
res = RESOURCE_VIDEO_STREAM;
|
|
break;
|
|
case V4L2_BUF_TYPE_VBI_CAPTURE:
|
|
res = RESOURCE_VBI;
|
|
break;
|
|
default:
|
|
BUG();
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int bttv_switch_type(struct bttv_fh *fh, enum v4l2_buf_type type)
|
|
{
|
|
struct videobuf_queue *q = bttv_queue(fh);
|
|
int res = bttv_resource(fh);
|
|
|
|
if (check_btres(fh,res))
|
|
return -EBUSY;
|
|
if (videobuf_queue_is_busy(q))
|
|
return -EBUSY;
|
|
fh->type = type;
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
pix_format_set_size (struct v4l2_pix_format * f,
|
|
const struct bttv_format * fmt,
|
|
unsigned int width,
|
|
unsigned int height)
|
|
{
|
|
f->width = width;
|
|
f->height = height;
|
|
|
|
if (fmt->flags & FORMAT_FLAGS_PLANAR) {
|
|
f->bytesperline = width; /* Y plane */
|
|
f->sizeimage = (width * height * fmt->depth) >> 3;
|
|
} else {
|
|
f->bytesperline = (width * fmt->depth) >> 3;
|
|
f->sizeimage = height * f->bytesperline;
|
|
}
|
|
}
|
|
|
|
static int bttv_g_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
|
|
pix_format_set_size(&f->fmt.pix, fh->fmt,
|
|
fh->width, fh->height);
|
|
f->fmt.pix.field = fh->cap.field;
|
|
f->fmt.pix.pixelformat = fh->fmt->fourcc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_fmt_vid_overlay(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
|
|
f->fmt.win.w = fh->ov.w;
|
|
f->fmt.win.field = fh->ov.field;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
const struct bttv_format *fmt;
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
enum v4l2_field field;
|
|
__s32 width, height;
|
|
int rc;
|
|
|
|
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
|
|
if (NULL == fmt)
|
|
return -EINVAL;
|
|
|
|
field = f->fmt.pix.field;
|
|
|
|
if (V4L2_FIELD_ANY == field) {
|
|
__s32 height2;
|
|
|
|
height2 = btv->crop[!!fh->do_crop].rect.height >> 1;
|
|
field = (f->fmt.pix.height > height2)
|
|
? V4L2_FIELD_INTERLACED
|
|
: V4L2_FIELD_BOTTOM;
|
|
}
|
|
|
|
if (V4L2_FIELD_SEQ_BT == field)
|
|
field = V4L2_FIELD_SEQ_TB;
|
|
|
|
switch (field) {
|
|
case V4L2_FIELD_TOP:
|
|
case V4L2_FIELD_BOTTOM:
|
|
case V4L2_FIELD_ALTERNATE:
|
|
case V4L2_FIELD_INTERLACED:
|
|
break;
|
|
case V4L2_FIELD_SEQ_TB:
|
|
if (fmt->flags & FORMAT_FLAGS_PLANAR)
|
|
return -EINVAL;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
width = f->fmt.pix.width;
|
|
height = f->fmt.pix.height;
|
|
|
|
rc = limit_scaled_size(fh, &width, &height, field,
|
|
/* width_mask: 4 pixels */ ~3,
|
|
/* width_bias: nearest */ 2,
|
|
/* adjust_size */ 1,
|
|
/* adjust_crop */ 0);
|
|
if (0 != rc)
|
|
return rc;
|
|
|
|
/* update data for the application */
|
|
f->fmt.pix.field = field;
|
|
pix_format_set_size(&f->fmt.pix, fmt, width, height);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_try_fmt_vid_overlay(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
|
|
return verify_window(fh, &f->fmt.win,
|
|
/* adjust_size */ 1,
|
|
/* adjust_crop */ 0);
|
|
}
|
|
|
|
static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
int retval;
|
|
const struct bttv_format *fmt;
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
__s32 width, height;
|
|
enum v4l2_field field;
|
|
|
|
retval = bttv_switch_type(fh, f->type);
|
|
if (0 != retval)
|
|
return retval;
|
|
|
|
retval = bttv_try_fmt_vid_cap(file, priv, f);
|
|
if (0 != retval)
|
|
return retval;
|
|
|
|
width = f->fmt.pix.width;
|
|
height = f->fmt.pix.height;
|
|
field = f->fmt.pix.field;
|
|
|
|
retval = limit_scaled_size(fh, &width, &height, f->fmt.pix.field,
|
|
/* width_mask: 4 pixels */ ~3,
|
|
/* width_bias: nearest */ 2,
|
|
/* adjust_size */ 1,
|
|
/* adjust_crop */ 1);
|
|
if (0 != retval)
|
|
return retval;
|
|
|
|
f->fmt.pix.field = field;
|
|
|
|
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
|
|
|
|
/* update our state informations */
|
|
mutex_lock(&fh->cap.vb_lock);
|
|
fh->fmt = fmt;
|
|
fh->cap.field = f->fmt.pix.field;
|
|
fh->cap.last = V4L2_FIELD_NONE;
|
|
fh->width = f->fmt.pix.width;
|
|
fh->height = f->fmt.pix.height;
|
|
btv->init.fmt = fmt;
|
|
btv->init.width = f->fmt.pix.width;
|
|
btv->init.height = f->fmt.pix.height;
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_fmt_vid_overlay(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (no_overlay > 0) {
|
|
printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return setup_window(fh, btv, &f->fmt.win, 1);
|
|
}
|
|
|
|
#ifdef CONFIG_VIDEO_V4L1_COMPAT
|
|
static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
|
|
{
|
|
int retval;
|
|
unsigned int i;
|
|
struct bttv_fh *fh = priv;
|
|
|
|
mutex_lock(&fh->cap.vb_lock);
|
|
retval = __videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize,
|
|
V4L2_MEMORY_MMAP);
|
|
if (retval < 0) {
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
return retval;
|
|
}
|
|
|
|
gbuffers = retval;
|
|
memset(mbuf, 0, sizeof(*mbuf));
|
|
mbuf->frames = gbuffers;
|
|
mbuf->size = gbuffers * gbufsize;
|
|
|
|
for (i = 0; i < gbuffers; i++)
|
|
mbuf->offsets[i] = i * gbufsize;
|
|
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int bttv_querycap(struct file *file, void *priv,
|
|
struct v4l2_capability *cap)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (0 == v4l2)
|
|
return -EINVAL;
|
|
|
|
strlcpy(cap->driver, "bttv", sizeof(cap->driver));
|
|
strlcpy(cap->card, btv->video_dev->name, sizeof(cap->card));
|
|
snprintf(cap->bus_info, sizeof(cap->bus_info),
|
|
"PCI:%s", pci_name(btv->c.pci));
|
|
cap->version = BTTV_VERSION_CODE;
|
|
cap->capabilities =
|
|
V4L2_CAP_VIDEO_CAPTURE |
|
|
V4L2_CAP_VBI_CAPTURE |
|
|
V4L2_CAP_READWRITE |
|
|
V4L2_CAP_STREAMING;
|
|
if (no_overlay <= 0)
|
|
cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY;
|
|
|
|
if (bttv_tvcards[btv->c.type].tuner != UNSET &&
|
|
bttv_tvcards[btv->c.type].tuner != TUNER_ABSENT)
|
|
cap->capabilities |= V4L2_CAP_TUNER;
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_enum_fmt_vbi_cap(struct file *file, void *priv,
|
|
struct v4l2_fmtdesc *f)
|
|
{
|
|
if (0 != f->index)
|
|
return -EINVAL;
|
|
|
|
f->pixelformat = V4L2_PIX_FMT_GREY;
|
|
strcpy(f->description, "vbi data");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_enum_fmt_cap_ovr(struct v4l2_fmtdesc *f)
|
|
{
|
|
int index = -1, i;
|
|
|
|
for (i = 0; i < FORMATS; i++) {
|
|
if (formats[i].fourcc != -1)
|
|
index++;
|
|
if ((unsigned int)index == f->index)
|
|
break;
|
|
}
|
|
if (FORMATS == i)
|
|
return -EINVAL;
|
|
|
|
f->pixelformat = formats[i].fourcc;
|
|
strlcpy(f->description, formats[i].name, sizeof(f->description));
|
|
|
|
return i;
|
|
}
|
|
|
|
static int bttv_enum_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_fmtdesc *f)
|
|
{
|
|
int rc = bttv_enum_fmt_cap_ovr(f);
|
|
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_enum_fmt_vid_overlay(struct file *file, void *priv,
|
|
struct v4l2_fmtdesc *f)
|
|
{
|
|
int rc;
|
|
|
|
if (no_overlay > 0) {
|
|
printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
rc = bttv_enum_fmt_cap_ovr(f);
|
|
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
if (!(formats[rc].flags & FORMAT_FLAGS_PACKED))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_fbuf(struct file *file, void *f,
|
|
struct v4l2_framebuffer *fb)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
*fb = btv->fbuf;
|
|
fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
|
|
if (fh->ovfmt)
|
|
fb->fmt.pixelformat = fh->ovfmt->fourcc;
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_overlay(struct file *file, void *f, unsigned int on)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
struct bttv_buffer *new;
|
|
int retval;
|
|
|
|
if (on) {
|
|
/* verify args */
|
|
if (NULL == btv->fbuf.base)
|
|
return -EINVAL;
|
|
if (!fh->ov.setup_ok) {
|
|
dprintk("bttv%d: overlay: !setup_ok\n", btv->c.nr);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (!check_alloc_btres(btv, fh, RESOURCE_OVERLAY))
|
|
return -EBUSY;
|
|
|
|
mutex_lock(&fh->cap.vb_lock);
|
|
if (on) {
|
|
fh->ov.tvnorm = btv->tvnorm;
|
|
new = videobuf_sg_alloc(sizeof(*new));
|
|
new->crop = btv->crop[!!fh->do_crop].rect;
|
|
bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
|
|
} else {
|
|
new = NULL;
|
|
}
|
|
|
|
/* switch over */
|
|
retval = bttv_switch_overlay(btv, fh, new);
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
return retval;
|
|
}
|
|
|
|
static int bttv_s_fbuf(struct file *file, void *f,
|
|
struct v4l2_framebuffer *fb)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
const struct bttv_format *fmt;
|
|
int retval;
|
|
|
|
if (!capable(CAP_SYS_ADMIN) &&
|
|
!capable(CAP_SYS_RAWIO))
|
|
return -EPERM;
|
|
|
|
/* check args */
|
|
fmt = format_by_fourcc(fb->fmt.pixelformat);
|
|
if (NULL == fmt)
|
|
return -EINVAL;
|
|
if (0 == (fmt->flags & FORMAT_FLAGS_PACKED))
|
|
return -EINVAL;
|
|
|
|
retval = -EINVAL;
|
|
if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
|
|
__s32 width = fb->fmt.width;
|
|
__s32 height = fb->fmt.height;
|
|
|
|
retval = limit_scaled_size(fh, &width, &height,
|
|
V4L2_FIELD_INTERLACED,
|
|
/* width_mask */ ~3,
|
|
/* width_bias */ 2,
|
|
/* adjust_size */ 0,
|
|
/* adjust_crop */ 0);
|
|
if (0 != retval)
|
|
return retval;
|
|
}
|
|
|
|
/* ok, accept it */
|
|
mutex_lock(&fh->cap.vb_lock);
|
|
btv->fbuf.base = fb->base;
|
|
btv->fbuf.fmt.width = fb->fmt.width;
|
|
btv->fbuf.fmt.height = fb->fmt.height;
|
|
if (0 != fb->fmt.bytesperline)
|
|
btv->fbuf.fmt.bytesperline = fb->fmt.bytesperline;
|
|
else
|
|
btv->fbuf.fmt.bytesperline = btv->fbuf.fmt.width*fmt->depth/8;
|
|
|
|
retval = 0;
|
|
fh->ovfmt = fmt;
|
|
btv->init.ovfmt = fmt;
|
|
if (fb->flags & V4L2_FBUF_FLAG_OVERLAY) {
|
|
fh->ov.w.left = 0;
|
|
fh->ov.w.top = 0;
|
|
fh->ov.w.width = fb->fmt.width;
|
|
fh->ov.w.height = fb->fmt.height;
|
|
btv->init.ov.w.width = fb->fmt.width;
|
|
btv->init.ov.w.height = fb->fmt.height;
|
|
kfree(fh->ov.clips);
|
|
fh->ov.clips = NULL;
|
|
fh->ov.nclips = 0;
|
|
|
|
if (check_btres(fh, RESOURCE_OVERLAY)) {
|
|
struct bttv_buffer *new;
|
|
|
|
new = videobuf_sg_alloc(sizeof(*new));
|
|
new->crop = btv->crop[!!fh->do_crop].rect;
|
|
bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new);
|
|
retval = bttv_switch_overlay(btv, fh, new);
|
|
}
|
|
}
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
return retval;
|
|
}
|
|
|
|
static int bttv_reqbufs(struct file *file, void *priv,
|
|
struct v4l2_requestbuffers *p)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
return videobuf_reqbufs(bttv_queue(fh), p);
|
|
}
|
|
|
|
static int bttv_querybuf(struct file *file, void *priv,
|
|
struct v4l2_buffer *b)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
return videobuf_querybuf(bttv_queue(fh), b);
|
|
}
|
|
|
|
static int bttv_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
int res = bttv_resource(fh);
|
|
|
|
if (!check_alloc_btres(btv, fh, res))
|
|
return -EBUSY;
|
|
|
|
return videobuf_qbuf(bttv_queue(fh), b);
|
|
}
|
|
|
|
static int bttv_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
return videobuf_dqbuf(bttv_queue(fh), b,
|
|
file->f_flags & O_NONBLOCK);
|
|
}
|
|
|
|
static int bttv_streamon(struct file *file, void *priv,
|
|
enum v4l2_buf_type type)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
int res = bttv_resource(fh);
|
|
|
|
if (!check_alloc_btres(btv, fh, res))
|
|
return -EBUSY;
|
|
return videobuf_streamon(bttv_queue(fh));
|
|
}
|
|
|
|
|
|
static int bttv_streamoff(struct file *file, void *priv,
|
|
enum v4l2_buf_type type)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
int retval;
|
|
int res = bttv_resource(fh);
|
|
|
|
|
|
retval = videobuf_streamoff(bttv_queue(fh));
|
|
if (retval < 0)
|
|
return retval;
|
|
free_btres(btv, fh, res);
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_queryctrl(struct file *file, void *priv,
|
|
struct v4l2_queryctrl *c)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
const struct v4l2_queryctrl *ctrl;
|
|
|
|
if ((c->id < V4L2_CID_BASE ||
|
|
c->id >= V4L2_CID_LASTP1) &&
|
|
(c->id < V4L2_CID_PRIVATE_BASE ||
|
|
c->id >= V4L2_CID_PRIVATE_LASTP1))
|
|
return -EINVAL;
|
|
|
|
if (!btv->volume_gpio && (c->id == V4L2_CID_AUDIO_VOLUME))
|
|
*c = no_ctl;
|
|
else {
|
|
ctrl = ctrl_by_id(c->id);
|
|
|
|
*c = (NULL != ctrl) ? *ctrl : no_ctl;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_parm(struct file *file, void *f,
|
|
struct v4l2_streamparm *parm)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
struct v4l2_standard s;
|
|
|
|
if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
v4l2_video_std_construct(&s, bttv_tvnorms[btv->tvnorm].v4l2_id,
|
|
bttv_tvnorms[btv->tvnorm].name);
|
|
parm->parm.capture.timeperframe = s.frameperiod;
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_tuner(struct file *file, void *priv,
|
|
struct v4l2_tuner *t)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (UNSET == bttv_tvcards[btv->c.type].tuner)
|
|
return -EINVAL;
|
|
if (0 != t->index)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&btv->lock);
|
|
memset(t, 0, sizeof(*t));
|
|
t->rxsubchans = V4L2_TUNER_SUB_MONO;
|
|
bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t);
|
|
strcpy(t->name, "Television");
|
|
t->capability = V4L2_TUNER_CAP_NORM;
|
|
t->type = V4L2_TUNER_ANALOG_TV;
|
|
if (btread(BT848_DSTATUS)&BT848_DSTATUS_HLOC)
|
|
t->signal = 0xffff;
|
|
|
|
if (btv->audio_mode_gpio)
|
|
btv->audio_mode_gpio(btv, t, 0);
|
|
|
|
mutex_unlock(&btv->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_priority(struct file *file, void *f, enum v4l2_priority *p)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
*p = v4l2_prio_max(&btv->prio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_priority(struct file *file, void *f,
|
|
enum v4l2_priority prio)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
return v4l2_prio_change(&btv->prio, &fh->prio, prio);
|
|
}
|
|
|
|
static int bttv_cropcap(struct file *file, void *priv,
|
|
struct v4l2_cropcap *cap)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
|
|
cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
|
|
return -EINVAL;
|
|
|
|
*cap = bttv_tvnorms[btv->tvnorm].cropcap;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_crop(struct file *file, void *f, struct v4l2_crop *crop)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
|
|
crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
|
|
return -EINVAL;
|
|
|
|
/* No fh->do_crop = 1; because btv->crop[1] may be
|
|
inconsistent with fh->width or fh->height and apps
|
|
do not expect a change here. */
|
|
|
|
crop->c = btv->crop[!!fh->do_crop].rect;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
|
|
{
|
|
struct bttv_fh *fh = f;
|
|
struct bttv *btv = fh->btv;
|
|
const struct v4l2_rect *b;
|
|
int retval;
|
|
struct bttv_crop c;
|
|
__s32 b_left;
|
|
__s32 b_top;
|
|
__s32 b_right;
|
|
__s32 b_bottom;
|
|
|
|
if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
|
|
crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY)
|
|
return -EINVAL;
|
|
|
|
retval = v4l2_prio_check(&btv->prio, &fh->prio);
|
|
if (0 != retval)
|
|
return retval;
|
|
|
|
/* Make sure tvnorm, vbi_end and the current cropping
|
|
parameters remain consistent until we're done. Note
|
|
read() may change vbi_end in check_alloc_btres(). */
|
|
mutex_lock(&btv->lock);
|
|
|
|
retval = -EBUSY;
|
|
|
|
if (locked_btres(fh->btv, VIDEO_RESOURCES)) {
|
|
mutex_unlock(&btv->lock);
|
|
return retval;
|
|
}
|
|
|
|
b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds;
|
|
|
|
b_left = b->left;
|
|
b_right = b_left + b->width;
|
|
b_bottom = b->top + b->height;
|
|
|
|
b_top = max(b->top, btv->vbi_end);
|
|
if (b_top + 32 >= b_bottom) {
|
|
mutex_unlock(&btv->lock);
|
|
return retval;
|
|
}
|
|
|
|
/* Min. scaled size 48 x 32. */
|
|
c.rect.left = clamp(crop->c.left, b_left, b_right - 48);
|
|
c.rect.left = min(c.rect.left, (__s32) MAX_HDELAY);
|
|
|
|
c.rect.width = clamp(crop->c.width,
|
|
48, b_right - c.rect.left);
|
|
|
|
c.rect.top = clamp(crop->c.top, b_top, b_bottom - 32);
|
|
/* Top and height must be a multiple of two. */
|
|
c.rect.top = (c.rect.top + 1) & ~1;
|
|
|
|
c.rect.height = clamp(crop->c.height,
|
|
32, b_bottom - c.rect.top);
|
|
c.rect.height = (c.rect.height + 1) & ~1;
|
|
|
|
bttv_crop_calc_limits(&c);
|
|
|
|
btv->crop[1] = c;
|
|
|
|
mutex_unlock(&btv->lock);
|
|
|
|
fh->do_crop = 1;
|
|
|
|
mutex_lock(&fh->cap.vb_lock);
|
|
|
|
if (fh->width < c.min_scaled_width) {
|
|
fh->width = c.min_scaled_width;
|
|
btv->init.width = c.min_scaled_width;
|
|
} else if (fh->width > c.max_scaled_width) {
|
|
fh->width = c.max_scaled_width;
|
|
btv->init.width = c.max_scaled_width;
|
|
}
|
|
|
|
if (fh->height < c.min_scaled_height) {
|
|
fh->height = c.min_scaled_height;
|
|
btv->init.height = c.min_scaled_height;
|
|
} else if (fh->height > c.max_scaled_height) {
|
|
fh->height = c.max_scaled_height;
|
|
btv->init.height = c.max_scaled_height;
|
|
}
|
|
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
|
|
{
|
|
if (unlikely(a->index))
|
|
return -EINVAL;
|
|
|
|
strcpy(a->name, "audio");
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
|
|
{
|
|
if (unlikely(a->index))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t bttv_read(struct file *file, char __user *data,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct bttv_fh *fh = file->private_data;
|
|
int retval = 0;
|
|
|
|
if (fh->btv->errors)
|
|
bttv_reinit_bt848(fh->btv);
|
|
dprintk("bttv%d: read count=%d type=%s\n",
|
|
fh->btv->c.nr,(int)count,v4l2_type_names[fh->type]);
|
|
|
|
switch (fh->type) {
|
|
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
|
|
if (!check_alloc_btres(fh->btv, fh, RESOURCE_VIDEO_READ)) {
|
|
/* VIDEO_READ in use by another fh,
|
|
or VIDEO_STREAM by any fh. */
|
|
return -EBUSY;
|
|
}
|
|
retval = videobuf_read_one(&fh->cap, data, count, ppos,
|
|
file->f_flags & O_NONBLOCK);
|
|
free_btres(fh->btv, fh, RESOURCE_VIDEO_READ);
|
|
break;
|
|
case V4L2_BUF_TYPE_VBI_CAPTURE:
|
|
if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
|
|
return -EBUSY;
|
|
retval = videobuf_read_stream(&fh->vbi, data, count, ppos, 1,
|
|
file->f_flags & O_NONBLOCK);
|
|
break;
|
|
default:
|
|
BUG();
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
static unsigned int bttv_poll(struct file *file, poll_table *wait)
|
|
{
|
|
struct bttv_fh *fh = file->private_data;
|
|
struct bttv_buffer *buf;
|
|
enum v4l2_field field;
|
|
|
|
if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
|
|
if (!check_alloc_btres(fh->btv,fh,RESOURCE_VBI))
|
|
return POLLERR;
|
|
return videobuf_poll_stream(file, &fh->vbi, wait);
|
|
}
|
|
|
|
if (check_btres(fh,RESOURCE_VIDEO_STREAM)) {
|
|
/* streaming capture */
|
|
if (list_empty(&fh->cap.stream))
|
|
return POLLERR;
|
|
buf = list_entry(fh->cap.stream.next,struct bttv_buffer,vb.stream);
|
|
} else {
|
|
/* read() capture */
|
|
mutex_lock(&fh->cap.vb_lock);
|
|
if (NULL == fh->cap.read_buf) {
|
|
/* need to capture a new frame */
|
|
if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM))
|
|
goto err;
|
|
fh->cap.read_buf = videobuf_sg_alloc(fh->cap.msize);
|
|
if (NULL == fh->cap.read_buf)
|
|
goto err;
|
|
fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
|
|
field = videobuf_next_field(&fh->cap);
|
|
if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,field)) {
|
|
kfree (fh->cap.read_buf);
|
|
fh->cap.read_buf = NULL;
|
|
goto err;
|
|
}
|
|
fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
|
|
fh->cap.read_off = 0;
|
|
}
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
buf = (struct bttv_buffer*)fh->cap.read_buf;
|
|
}
|
|
|
|
poll_wait(file, &buf->vb.done, wait);
|
|
if (buf->vb.state == VIDEOBUF_DONE ||
|
|
buf->vb.state == VIDEOBUF_ERROR)
|
|
return POLLIN|POLLRDNORM;
|
|
return 0;
|
|
err:
|
|
mutex_unlock(&fh->cap.vb_lock);
|
|
return POLLERR;
|
|
}
|
|
|
|
static int bttv_open(struct inode *inode, struct file *file)
|
|
{
|
|
int minor = iminor(inode);
|
|
struct bttv *btv = NULL;
|
|
struct bttv_fh *fh;
|
|
enum v4l2_buf_type type = 0;
|
|
unsigned int i;
|
|
|
|
dprintk(KERN_DEBUG "bttv: open minor=%d\n",minor);
|
|
|
|
for (i = 0; i < bttv_num; i++) {
|
|
if (bttvs[i].video_dev &&
|
|
bttvs[i].video_dev->minor == minor) {
|
|
btv = &bttvs[i];
|
|
type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
break;
|
|
}
|
|
if (bttvs[i].vbi_dev &&
|
|
bttvs[i].vbi_dev->minor == minor) {
|
|
btv = &bttvs[i];
|
|
type = V4L2_BUF_TYPE_VBI_CAPTURE;
|
|
break;
|
|
}
|
|
}
|
|
if (NULL == btv)
|
|
return -ENODEV;
|
|
|
|
dprintk(KERN_DEBUG "bttv%d: open called (type=%s)\n",
|
|
btv->c.nr,v4l2_type_names[type]);
|
|
|
|
/* allocate per filehandle data */
|
|
fh = kmalloc(sizeof(*fh),GFP_KERNEL);
|
|
if (NULL == fh)
|
|
return -ENOMEM;
|
|
file->private_data = fh;
|
|
*fh = btv->init;
|
|
fh->type = type;
|
|
fh->ov.setup_ok = 0;
|
|
v4l2_prio_open(&btv->prio,&fh->prio);
|
|
|
|
videobuf_queue_sg_init(&fh->cap, &bttv_video_qops,
|
|
&btv->c.pci->dev, &btv->s_lock,
|
|
V4L2_BUF_TYPE_VIDEO_CAPTURE,
|
|
V4L2_FIELD_INTERLACED,
|
|
sizeof(struct bttv_buffer),
|
|
fh);
|
|
videobuf_queue_sg_init(&fh->vbi, &bttv_vbi_qops,
|
|
&btv->c.pci->dev, &btv->s_lock,
|
|
V4L2_BUF_TYPE_VBI_CAPTURE,
|
|
V4L2_FIELD_SEQ_TB,
|
|
sizeof(struct bttv_buffer),
|
|
fh);
|
|
set_tvnorm(btv,btv->tvnorm);
|
|
|
|
btv->users++;
|
|
|
|
/* The V4L2 spec requires one global set of cropping parameters
|
|
which only change on request. These are stored in btv->crop[1].
|
|
However for compatibility with V4L apps and cropping unaware
|
|
V4L2 apps we now reset the cropping parameters as seen through
|
|
this fh, which is to say VIDIOC_G_CROP and scaling limit checks
|
|
will use btv->crop[0], the default cropping parameters for the
|
|
current video standard, and VIDIOC_S_FMT will not implicitely
|
|
change the cropping parameters until VIDIOC_S_CROP has been
|
|
called. */
|
|
fh->do_crop = !reset_crop; /* module parameter */
|
|
|
|
/* Likewise there should be one global set of VBI capture
|
|
parameters, but for compatibility with V4L apps and earlier
|
|
driver versions each fh has its own parameters. */
|
|
bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm);
|
|
|
|
bttv_field_count(btv);
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_release(struct inode *inode, struct file *file)
|
|
{
|
|
struct bttv_fh *fh = file->private_data;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
/* turn off overlay */
|
|
if (check_btres(fh, RESOURCE_OVERLAY))
|
|
bttv_switch_overlay(btv,fh,NULL);
|
|
|
|
/* stop video capture */
|
|
if (check_btres(fh, RESOURCE_VIDEO_STREAM)) {
|
|
videobuf_streamoff(&fh->cap);
|
|
free_btres(btv,fh,RESOURCE_VIDEO_STREAM);
|
|
}
|
|
if (fh->cap.read_buf) {
|
|
buffer_release(&fh->cap,fh->cap.read_buf);
|
|
kfree(fh->cap.read_buf);
|
|
}
|
|
if (check_btres(fh, RESOURCE_VIDEO_READ)) {
|
|
free_btres(btv, fh, RESOURCE_VIDEO_READ);
|
|
}
|
|
|
|
/* stop vbi capture */
|
|
if (check_btres(fh, RESOURCE_VBI)) {
|
|
videobuf_stop(&fh->vbi);
|
|
free_btres(btv,fh,RESOURCE_VBI);
|
|
}
|
|
|
|
/* free stuff */
|
|
videobuf_mmap_free(&fh->cap);
|
|
videobuf_mmap_free(&fh->vbi);
|
|
v4l2_prio_close(&btv->prio,&fh->prio);
|
|
file->private_data = NULL;
|
|
kfree(fh);
|
|
|
|
btv->users--;
|
|
bttv_field_count(btv);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
bttv_mmap(struct file *file, struct vm_area_struct *vma)
|
|
{
|
|
struct bttv_fh *fh = file->private_data;
|
|
|
|
dprintk("bttv%d: mmap type=%s 0x%lx+%ld\n",
|
|
fh->btv->c.nr, v4l2_type_names[fh->type],
|
|
vma->vm_start, vma->vm_end - vma->vm_start);
|
|
return videobuf_mmap_mapper(bttv_queue(fh),vma);
|
|
}
|
|
|
|
static const struct file_operations bttv_fops =
|
|
{
|
|
.owner = THIS_MODULE,
|
|
.open = bttv_open,
|
|
.release = bttv_release,
|
|
.ioctl = video_ioctl2,
|
|
.compat_ioctl = v4l_compat_ioctl32,
|
|
.llseek = no_llseek,
|
|
.read = bttv_read,
|
|
.mmap = bttv_mmap,
|
|
.poll = bttv_poll,
|
|
};
|
|
|
|
static struct video_device bttv_video_template =
|
|
{
|
|
.fops = &bttv_fops,
|
|
.minor = -1,
|
|
.vidioc_querycap = bttv_querycap,
|
|
.vidioc_enum_fmt_vid_cap = bttv_enum_fmt_vid_cap,
|
|
.vidioc_g_fmt_vid_cap = bttv_g_fmt_vid_cap,
|
|
.vidioc_try_fmt_vid_cap = bttv_try_fmt_vid_cap,
|
|
.vidioc_s_fmt_vid_cap = bttv_s_fmt_vid_cap,
|
|
.vidioc_enum_fmt_vid_overlay = bttv_enum_fmt_vid_overlay,
|
|
.vidioc_g_fmt_vid_overlay = bttv_g_fmt_vid_overlay,
|
|
.vidioc_try_fmt_vid_overlay = bttv_try_fmt_vid_overlay,
|
|
.vidioc_s_fmt_vid_overlay = bttv_s_fmt_vid_overlay,
|
|
.vidioc_enum_fmt_vbi_cap = bttv_enum_fmt_vbi_cap,
|
|
.vidioc_g_fmt_vbi_cap = bttv_g_fmt_vbi_cap,
|
|
.vidioc_try_fmt_vbi_cap = bttv_try_fmt_vbi_cap,
|
|
.vidioc_s_fmt_vbi_cap = bttv_s_fmt_vbi_cap,
|
|
.vidioc_g_audio = bttv_g_audio,
|
|
.vidioc_s_audio = bttv_s_audio,
|
|
.vidioc_cropcap = bttv_cropcap,
|
|
.vidioc_reqbufs = bttv_reqbufs,
|
|
.vidioc_querybuf = bttv_querybuf,
|
|
.vidioc_qbuf = bttv_qbuf,
|
|
.vidioc_dqbuf = bttv_dqbuf,
|
|
.vidioc_s_std = bttv_s_std,
|
|
.vidioc_enum_input = bttv_enum_input,
|
|
.vidioc_g_input = bttv_g_input,
|
|
.vidioc_s_input = bttv_s_input,
|
|
.vidioc_queryctrl = bttv_queryctrl,
|
|
.vidioc_g_ctrl = bttv_g_ctrl,
|
|
.vidioc_s_ctrl = bttv_s_ctrl,
|
|
.vidioc_streamon = bttv_streamon,
|
|
.vidioc_streamoff = bttv_streamoff,
|
|
.vidioc_g_tuner = bttv_g_tuner,
|
|
.vidioc_s_tuner = bttv_s_tuner,
|
|
#ifdef CONFIG_VIDEO_V4L1_COMPAT
|
|
.vidiocgmbuf = vidiocgmbuf,
|
|
#endif
|
|
.vidioc_g_crop = bttv_g_crop,
|
|
.vidioc_s_crop = bttv_s_crop,
|
|
.vidioc_g_fbuf = bttv_g_fbuf,
|
|
.vidioc_s_fbuf = bttv_s_fbuf,
|
|
.vidioc_overlay = bttv_overlay,
|
|
.vidioc_g_priority = bttv_g_priority,
|
|
.vidioc_s_priority = bttv_s_priority,
|
|
.vidioc_g_parm = bttv_g_parm,
|
|
.vidioc_g_frequency = bttv_g_frequency,
|
|
.vidioc_s_frequency = bttv_s_frequency,
|
|
.vidioc_log_status = bttv_log_status,
|
|
.vidioc_querystd = bttv_querystd,
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
.vidioc_g_register = bttv_g_register,
|
|
.vidioc_s_register = bttv_s_register,
|
|
#endif
|
|
.tvnorms = BTTV_NORMS,
|
|
.current_norm = V4L2_STD_PAL,
|
|
};
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* radio interface */
|
|
|
|
static int radio_open(struct inode *inode, struct file *file)
|
|
{
|
|
int minor = iminor(inode);
|
|
struct bttv *btv = NULL;
|
|
struct bttv_fh *fh;
|
|
unsigned int i;
|
|
|
|
dprintk("bttv: open minor=%d\n",minor);
|
|
|
|
for (i = 0; i < bttv_num; i++) {
|
|
if (bttvs[i].radio_dev->minor == minor) {
|
|
btv = &bttvs[i];
|
|
break;
|
|
}
|
|
}
|
|
if (NULL == btv)
|
|
return -ENODEV;
|
|
|
|
dprintk("bttv%d: open called (radio)\n",btv->c.nr);
|
|
|
|
/* allocate per filehandle data */
|
|
fh = kmalloc(sizeof(*fh), GFP_KERNEL);
|
|
if (NULL == fh)
|
|
return -ENOMEM;
|
|
file->private_data = fh;
|
|
*fh = btv->init;
|
|
v4l2_prio_open(&btv->prio, &fh->prio);
|
|
|
|
mutex_lock(&btv->lock);
|
|
|
|
btv->radio_user++;
|
|
|
|
bttv_call_i2c_clients(btv,AUDC_SET_RADIO,NULL);
|
|
audio_input(btv,TVAUDIO_INPUT_RADIO);
|
|
|
|
mutex_unlock(&btv->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int radio_release(struct inode *inode, struct file *file)
|
|
{
|
|
struct bttv_fh *fh = file->private_data;
|
|
struct bttv *btv = fh->btv;
|
|
struct rds_command cmd;
|
|
|
|
file->private_data = NULL;
|
|
kfree(fh);
|
|
|
|
btv->radio_user--;
|
|
|
|
bttv_call_i2c_clients(btv, RDS_CMD_CLOSE, &cmd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int radio_querycap(struct file *file, void *priv,
|
|
struct v4l2_capability *cap)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
strcpy(cap->driver, "bttv");
|
|
strlcpy(cap->card, btv->radio_dev->name, sizeof(cap->card));
|
|
sprintf(cap->bus_info, "PCI:%s", pci_name(btv->c.pci));
|
|
cap->version = BTTV_VERSION_CODE;
|
|
cap->capabilities = V4L2_CAP_TUNER;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (UNSET == bttv_tvcards[btv->c.type].tuner)
|
|
return -EINVAL;
|
|
if (0 != t->index)
|
|
return -EINVAL;
|
|
mutex_lock(&btv->lock);
|
|
memset(t, 0, sizeof(*t));
|
|
strcpy(t->name, "Radio");
|
|
t->type = V4L2_TUNER_RADIO;
|
|
|
|
bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t);
|
|
|
|
if (btv->audio_mode_gpio)
|
|
btv->audio_mode_gpio(btv, t, 0);
|
|
|
|
mutex_unlock(&btv->lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int radio_enum_input(struct file *file, void *priv,
|
|
struct v4l2_input *i)
|
|
{
|
|
if (i->index != 0)
|
|
return -EINVAL;
|
|
|
|
strcpy(i->name, "Radio");
|
|
i->type = V4L2_INPUT_TYPE_TUNER;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int radio_g_audio(struct file *file, void *priv,
|
|
struct v4l2_audio *a)
|
|
{
|
|
if (unlikely(a->index))
|
|
return -EINVAL;
|
|
|
|
strcpy(a->name, "Radio");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int radio_s_tuner(struct file *file, void *priv,
|
|
struct v4l2_tuner *t)
|
|
{
|
|
struct bttv_fh *fh = priv;
|
|
struct bttv *btv = fh->btv;
|
|
|
|
if (0 != t->index)
|
|
return -EINVAL;
|
|
|
|
bttv_call_i2c_clients(btv, VIDIOC_G_TUNER, t);
|
|
return 0;
|
|
}
|
|
|
|
static int radio_s_audio(struct file *file, void *priv,
|
|
struct v4l2_audio *a)
|
|
{
|
|
if (unlikely(a->index))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int radio_s_input(struct file *filp, void *priv, unsigned int i)
|
|
{
|
|
if (unlikely(i))
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int radio_queryctrl(struct file *file, void *priv,
|
|
struct v4l2_queryctrl *c)
|
|
{
|
|
const struct v4l2_queryctrl *ctrl;
|
|
|
|
if (c->id < V4L2_CID_BASE ||
|
|
c->id >= V4L2_CID_LASTP1)
|
|
return -EINVAL;
|
|
|
|
if (c->id == V4L2_CID_AUDIO_MUTE) {
|
|
ctrl = ctrl_by_id(c->id);
|
|
*c = *ctrl;
|
|
} else
|
|
*c = no_ctl;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int radio_g_input(struct file *filp, void *priv, unsigned int *i)
|
|
{
|
|
*i = 0;
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t radio_read(struct file *file, char __user *data,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct bttv_fh *fh = file->private_data;
|
|
struct bttv *btv = fh->btv;
|
|
struct rds_command cmd;
|
|
cmd.block_count = count/3;
|
|
cmd.buffer = data;
|
|
cmd.instance = file;
|
|
cmd.result = -ENODEV;
|
|
|
|
bttv_call_i2c_clients(btv, RDS_CMD_READ, &cmd);
|
|
|
|
return cmd.result;
|
|
}
|
|
|
|
static unsigned int radio_poll(struct file *file, poll_table *wait)
|
|
{
|
|
struct bttv_fh *fh = file->private_data;
|
|
struct bttv *btv = fh->btv;
|
|
struct rds_command cmd;
|
|
cmd.instance = file;
|
|
cmd.event_list = wait;
|
|
cmd.result = -ENODEV;
|
|
bttv_call_i2c_clients(btv, RDS_CMD_POLL, &cmd);
|
|
|
|
return cmd.result;
|
|
}
|
|
|
|
static const struct file_operations radio_fops =
|
|
{
|
|
.owner = THIS_MODULE,
|
|
.open = radio_open,
|
|
.read = radio_read,
|
|
.release = radio_release,
|
|
.compat_ioctl = v4l_compat_ioctl32,
|
|
.ioctl = video_ioctl2,
|
|
.llseek = no_llseek,
|
|
.poll = radio_poll,
|
|
};
|
|
|
|
static struct video_device radio_template =
|
|
{
|
|
.fops = &radio_fops,
|
|
.minor = -1,
|
|
.vidioc_querycap = radio_querycap,
|
|
.vidioc_g_tuner = radio_g_tuner,
|
|
.vidioc_enum_input = radio_enum_input,
|
|
.vidioc_g_audio = radio_g_audio,
|
|
.vidioc_s_tuner = radio_s_tuner,
|
|
.vidioc_s_audio = radio_s_audio,
|
|
.vidioc_s_input = radio_s_input,
|
|
.vidioc_s_std = radio_s_std,
|
|
.vidioc_queryctrl = radio_queryctrl,
|
|
.vidioc_g_input = radio_g_input,
|
|
.vidioc_g_ctrl = bttv_g_ctrl,
|
|
.vidioc_s_ctrl = bttv_s_ctrl,
|
|
.vidioc_g_frequency = bttv_g_frequency,
|
|
.vidioc_s_frequency = bttv_s_frequency,
|
|
};
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* some debug code */
|
|
|
|
static int bttv_risc_decode(u32 risc)
|
|
{
|
|
static char *instr[16] = {
|
|
[ BT848_RISC_WRITE >> 28 ] = "write",
|
|
[ BT848_RISC_SKIP >> 28 ] = "skip",
|
|
[ BT848_RISC_WRITEC >> 28 ] = "writec",
|
|
[ BT848_RISC_JUMP >> 28 ] = "jump",
|
|
[ BT848_RISC_SYNC >> 28 ] = "sync",
|
|
[ BT848_RISC_WRITE123 >> 28 ] = "write123",
|
|
[ BT848_RISC_SKIP123 >> 28 ] = "skip123",
|
|
[ BT848_RISC_WRITE1S23 >> 28 ] = "write1s23",
|
|
};
|
|
static int incr[16] = {
|
|
[ BT848_RISC_WRITE >> 28 ] = 2,
|
|
[ BT848_RISC_JUMP >> 28 ] = 2,
|
|
[ BT848_RISC_SYNC >> 28 ] = 2,
|
|
[ BT848_RISC_WRITE123 >> 28 ] = 5,
|
|
[ BT848_RISC_SKIP123 >> 28 ] = 2,
|
|
[ BT848_RISC_WRITE1S23 >> 28 ] = 3,
|
|
};
|
|
static char *bits[] = {
|
|
"be0", "be1", "be2", "be3/resync",
|
|
"set0", "set1", "set2", "set3",
|
|
"clr0", "clr1", "clr2", "clr3",
|
|
"irq", "res", "eol", "sol",
|
|
};
|
|
int i;
|
|
|
|
printk("0x%08x [ %s", risc,
|
|
instr[risc >> 28] ? instr[risc >> 28] : "INVALID");
|
|
for (i = ARRAY_SIZE(bits)-1; i >= 0; i--)
|
|
if (risc & (1 << (i + 12)))
|
|
printk(" %s",bits[i]);
|
|
printk(" count=%d ]\n", risc & 0xfff);
|
|
return incr[risc >> 28] ? incr[risc >> 28] : 1;
|
|
}
|
|
|
|
static void bttv_risc_disasm(struct bttv *btv,
|
|
struct btcx_riscmem *risc)
|
|
{
|
|
unsigned int i,j,n;
|
|
|
|
printk("%s: risc disasm: %p [dma=0x%08lx]\n",
|
|
btv->c.name, risc->cpu, (unsigned long)risc->dma);
|
|
for (i = 0; i < (risc->size >> 2); i += n) {
|
|
printk("%s: 0x%lx: ", btv->c.name,
|
|
(unsigned long)(risc->dma + (i<<2)));
|
|
n = bttv_risc_decode(le32_to_cpu(risc->cpu[i]));
|
|
for (j = 1; j < n; j++)
|
|
printk("%s: 0x%lx: 0x%08x [ arg #%d ]\n",
|
|
btv->c.name, (unsigned long)(risc->dma + ((i+j)<<2)),
|
|
risc->cpu[i+j], j);
|
|
if (0 == risc->cpu[i])
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void bttv_print_riscaddr(struct bttv *btv)
|
|
{
|
|
printk(" main: %08Lx\n",
|
|
(unsigned long long)btv->main.dma);
|
|
printk(" vbi : o=%08Lx e=%08Lx\n",
|
|
btv->cvbi ? (unsigned long long)btv->cvbi->top.dma : 0,
|
|
btv->cvbi ? (unsigned long long)btv->cvbi->bottom.dma : 0);
|
|
printk(" cap : o=%08Lx e=%08Lx\n",
|
|
btv->curr.top ? (unsigned long long)btv->curr.top->top.dma : 0,
|
|
btv->curr.bottom ? (unsigned long long)btv->curr.bottom->bottom.dma : 0);
|
|
printk(" scr : o=%08Lx e=%08Lx\n",
|
|
btv->screen ? (unsigned long long)btv->screen->top.dma : 0,
|
|
btv->screen ? (unsigned long long)btv->screen->bottom.dma : 0);
|
|
bttv_risc_disasm(btv, &btv->main);
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* irq handler */
|
|
|
|
static char *irq_name[] = {
|
|
"FMTCHG", // format change detected (525 vs. 625)
|
|
"VSYNC", // vertical sync (new field)
|
|
"HSYNC", // horizontal sync
|
|
"OFLOW", // chroma/luma AGC overflow
|
|
"HLOCK", // horizontal lock changed
|
|
"VPRES", // video presence changed
|
|
"6", "7",
|
|
"I2CDONE", // hw irc operation finished
|
|
"GPINT", // gpio port triggered irq
|
|
"10",
|
|
"RISCI", // risc instruction triggered irq
|
|
"FBUS", // pixel data fifo dropped data (high pci bus latencies)
|
|
"FTRGT", // pixel data fifo overrun
|
|
"FDSR", // fifo data stream resyncronisation
|
|
"PPERR", // parity error (data transfer)
|
|
"RIPERR", // parity error (read risc instructions)
|
|
"PABORT", // pci abort
|
|
"OCERR", // risc instruction error
|
|
"SCERR", // syncronisation error
|
|
};
|
|
|
|
static void bttv_print_irqbits(u32 print, u32 mark)
|
|
{
|
|
unsigned int i;
|
|
|
|
printk("bits:");
|
|
for (i = 0; i < ARRAY_SIZE(irq_name); i++) {
|
|
if (print & (1 << i))
|
|
printk(" %s",irq_name[i]);
|
|
if (mark & (1 << i))
|
|
printk("*");
|
|
}
|
|
}
|
|
|
|
static void bttv_irq_debug_low_latency(struct bttv *btv, u32 rc)
|
|
{
|
|
printk("bttv%d: irq: skipped frame [main=%lx,o_vbi=%lx,o_field=%lx,rc=%lx]\n",
|
|
btv->c.nr,
|
|
(unsigned long)btv->main.dma,
|
|
(unsigned long)le32_to_cpu(btv->main.cpu[RISC_SLOT_O_VBI+1]),
|
|
(unsigned long)le32_to_cpu(btv->main.cpu[RISC_SLOT_O_FIELD+1]),
|
|
(unsigned long)rc);
|
|
|
|
if (0 == (btread(BT848_DSTATUS) & BT848_DSTATUS_HLOC)) {
|
|
printk("bttv%d: Oh, there (temporarely?) is no input signal. "
|
|
"Ok, then this is harmless, don't worry ;)\n",
|
|
btv->c.nr);
|
|
return;
|
|
}
|
|
printk("bttv%d: Uhm. Looks like we have unusual high IRQ latencies.\n",
|
|
btv->c.nr);
|
|
printk("bttv%d: Lets try to catch the culpit red-handed ...\n",
|
|
btv->c.nr);
|
|
dump_stack();
|
|
}
|
|
|
|
static int
|
|
bttv_irq_next_video(struct bttv *btv, struct bttv_buffer_set *set)
|
|
{
|
|
struct bttv_buffer *item;
|
|
|
|
memset(set,0,sizeof(*set));
|
|
|
|
/* capture request ? */
|
|
if (!list_empty(&btv->capture)) {
|
|
set->frame_irq = 1;
|
|
item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
|
|
if (V4L2_FIELD_HAS_TOP(item->vb.field))
|
|
set->top = item;
|
|
if (V4L2_FIELD_HAS_BOTTOM(item->vb.field))
|
|
set->bottom = item;
|
|
|
|
/* capture request for other field ? */
|
|
if (!V4L2_FIELD_HAS_BOTH(item->vb.field) &&
|
|
(item->vb.queue.next != &btv->capture)) {
|
|
item = list_entry(item->vb.queue.next, struct bttv_buffer, vb.queue);
|
|
if (!V4L2_FIELD_HAS_BOTH(item->vb.field)) {
|
|
if (NULL == set->top &&
|
|
V4L2_FIELD_TOP == item->vb.field) {
|
|
set->top = item;
|
|
}
|
|
if (NULL == set->bottom &&
|
|
V4L2_FIELD_BOTTOM == item->vb.field) {
|
|
set->bottom = item;
|
|
}
|
|
if (NULL != set->top && NULL != set->bottom)
|
|
set->top_irq = 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* screen overlay ? */
|
|
if (NULL != btv->screen) {
|
|
if (V4L2_FIELD_HAS_BOTH(btv->screen->vb.field)) {
|
|
if (NULL == set->top && NULL == set->bottom) {
|
|
set->top = btv->screen;
|
|
set->bottom = btv->screen;
|
|
}
|
|
} else {
|
|
if (V4L2_FIELD_TOP == btv->screen->vb.field &&
|
|
NULL == set->top) {
|
|
set->top = btv->screen;
|
|
}
|
|
if (V4L2_FIELD_BOTTOM == btv->screen->vb.field &&
|
|
NULL == set->bottom) {
|
|
set->bottom = btv->screen;
|
|
}
|
|
}
|
|
}
|
|
|
|
dprintk("bttv%d: next set: top=%p bottom=%p [screen=%p,irq=%d,%d]\n",
|
|
btv->c.nr,set->top, set->bottom,
|
|
btv->screen,set->frame_irq,set->top_irq);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
bttv_irq_wakeup_video(struct bttv *btv, struct bttv_buffer_set *wakeup,
|
|
struct bttv_buffer_set *curr, unsigned int state)
|
|
{
|
|
struct timeval ts;
|
|
|
|
do_gettimeofday(&ts);
|
|
|
|
if (wakeup->top == wakeup->bottom) {
|
|
if (NULL != wakeup->top && curr->top != wakeup->top) {
|
|
if (irq_debug > 1)
|
|
printk("bttv%d: wakeup: both=%p\n",btv->c.nr,wakeup->top);
|
|
wakeup->top->vb.ts = ts;
|
|
wakeup->top->vb.field_count = btv->field_count;
|
|
wakeup->top->vb.state = state;
|
|
wake_up(&wakeup->top->vb.done);
|
|
}
|
|
} else {
|
|
if (NULL != wakeup->top && curr->top != wakeup->top) {
|
|
if (irq_debug > 1)
|
|
printk("bttv%d: wakeup: top=%p\n",btv->c.nr,wakeup->top);
|
|
wakeup->top->vb.ts = ts;
|
|
wakeup->top->vb.field_count = btv->field_count;
|
|
wakeup->top->vb.state = state;
|
|
wake_up(&wakeup->top->vb.done);
|
|
}
|
|
if (NULL != wakeup->bottom && curr->bottom != wakeup->bottom) {
|
|
if (irq_debug > 1)
|
|
printk("bttv%d: wakeup: bottom=%p\n",btv->c.nr,wakeup->bottom);
|
|
wakeup->bottom->vb.ts = ts;
|
|
wakeup->bottom->vb.field_count = btv->field_count;
|
|
wakeup->bottom->vb.state = state;
|
|
wake_up(&wakeup->bottom->vb.done);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
bttv_irq_wakeup_vbi(struct bttv *btv, struct bttv_buffer *wakeup,
|
|
unsigned int state)
|
|
{
|
|
struct timeval ts;
|
|
|
|
if (NULL == wakeup)
|
|
return;
|
|
|
|
do_gettimeofday(&ts);
|
|
wakeup->vb.ts = ts;
|
|
wakeup->vb.field_count = btv->field_count;
|
|
wakeup->vb.state = state;
|
|
wake_up(&wakeup->vb.done);
|
|
}
|
|
|
|
static void bttv_irq_timeout(unsigned long data)
|
|
{
|
|
struct bttv *btv = (struct bttv *)data;
|
|
struct bttv_buffer_set old,new;
|
|
struct bttv_buffer *ovbi;
|
|
struct bttv_buffer *item;
|
|
unsigned long flags;
|
|
|
|
if (bttv_verbose) {
|
|
printk(KERN_INFO "bttv%d: timeout: drop=%d irq=%d/%d, risc=%08x, ",
|
|
btv->c.nr, btv->framedrop, btv->irq_me, btv->irq_total,
|
|
btread(BT848_RISC_COUNT));
|
|
bttv_print_irqbits(btread(BT848_INT_STAT),0);
|
|
printk("\n");
|
|
}
|
|
|
|
spin_lock_irqsave(&btv->s_lock,flags);
|
|
|
|
/* deactivate stuff */
|
|
memset(&new,0,sizeof(new));
|
|
old = btv->curr;
|
|
ovbi = btv->cvbi;
|
|
btv->curr = new;
|
|
btv->cvbi = NULL;
|
|
btv->loop_irq = 0;
|
|
bttv_buffer_activate_video(btv, &new);
|
|
bttv_buffer_activate_vbi(btv, NULL);
|
|
bttv_set_dma(btv, 0);
|
|
|
|
/* wake up */
|
|
bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_ERROR);
|
|
bttv_irq_wakeup_vbi(btv, ovbi, VIDEOBUF_ERROR);
|
|
|
|
/* cancel all outstanding capture / vbi requests */
|
|
while (!list_empty(&btv->capture)) {
|
|
item = list_entry(btv->capture.next, struct bttv_buffer, vb.queue);
|
|
list_del(&item->vb.queue);
|
|
item->vb.state = VIDEOBUF_ERROR;
|
|
wake_up(&item->vb.done);
|
|
}
|
|
while (!list_empty(&btv->vcapture)) {
|
|
item = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
|
|
list_del(&item->vb.queue);
|
|
item->vb.state = VIDEOBUF_ERROR;
|
|
wake_up(&item->vb.done);
|
|
}
|
|
|
|
btv->errors++;
|
|
spin_unlock_irqrestore(&btv->s_lock,flags);
|
|
}
|
|
|
|
static void
|
|
bttv_irq_wakeup_top(struct bttv *btv)
|
|
{
|
|
struct bttv_buffer *wakeup = btv->curr.top;
|
|
|
|
if (NULL == wakeup)
|
|
return;
|
|
|
|
spin_lock(&btv->s_lock);
|
|
btv->curr.top_irq = 0;
|
|
btv->curr.top = NULL;
|
|
bttv_risc_hook(btv, RISC_SLOT_O_FIELD, NULL, 0);
|
|
|
|
do_gettimeofday(&wakeup->vb.ts);
|
|
wakeup->vb.field_count = btv->field_count;
|
|
wakeup->vb.state = VIDEOBUF_DONE;
|
|
wake_up(&wakeup->vb.done);
|
|
spin_unlock(&btv->s_lock);
|
|
}
|
|
|
|
static inline int is_active(struct btcx_riscmem *risc, u32 rc)
|
|
{
|
|
if (rc < risc->dma)
|
|
return 0;
|
|
if (rc > risc->dma + risc->size)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
bttv_irq_switch_video(struct bttv *btv)
|
|
{
|
|
struct bttv_buffer_set new;
|
|
struct bttv_buffer_set old;
|
|
dma_addr_t rc;
|
|
|
|
spin_lock(&btv->s_lock);
|
|
|
|
/* new buffer set */
|
|
bttv_irq_next_video(btv, &new);
|
|
rc = btread(BT848_RISC_COUNT);
|
|
if ((btv->curr.top && is_active(&btv->curr.top->top, rc)) ||
|
|
(btv->curr.bottom && is_active(&btv->curr.bottom->bottom, rc))) {
|
|
btv->framedrop++;
|
|
if (debug_latency)
|
|
bttv_irq_debug_low_latency(btv, rc);
|
|
spin_unlock(&btv->s_lock);
|
|
return;
|
|
}
|
|
|
|
/* switch over */
|
|
old = btv->curr;
|
|
btv->curr = new;
|
|
btv->loop_irq &= ~1;
|
|
bttv_buffer_activate_video(btv, &new);
|
|
bttv_set_dma(btv, 0);
|
|
|
|
/* switch input */
|
|
if (UNSET != btv->new_input) {
|
|
video_mux(btv,btv->new_input);
|
|
btv->new_input = UNSET;
|
|
}
|
|
|
|
/* wake up finished buffers */
|
|
bttv_irq_wakeup_video(btv, &old, &new, VIDEOBUF_DONE);
|
|
spin_unlock(&btv->s_lock);
|
|
}
|
|
|
|
static void
|
|
bttv_irq_switch_vbi(struct bttv *btv)
|
|
{
|
|
struct bttv_buffer *new = NULL;
|
|
struct bttv_buffer *old;
|
|
u32 rc;
|
|
|
|
spin_lock(&btv->s_lock);
|
|
|
|
if (!list_empty(&btv->vcapture))
|
|
new = list_entry(btv->vcapture.next, struct bttv_buffer, vb.queue);
|
|
old = btv->cvbi;
|
|
|
|
rc = btread(BT848_RISC_COUNT);
|
|
if (NULL != old && (is_active(&old->top, rc) ||
|
|
is_active(&old->bottom, rc))) {
|
|
btv->framedrop++;
|
|
if (debug_latency)
|
|
bttv_irq_debug_low_latency(btv, rc);
|
|
spin_unlock(&btv->s_lock);
|
|
return;
|
|
}
|
|
|
|
/* switch */
|
|
btv->cvbi = new;
|
|
btv->loop_irq &= ~4;
|
|
bttv_buffer_activate_vbi(btv, new);
|
|
bttv_set_dma(btv, 0);
|
|
|
|
bttv_irq_wakeup_vbi(btv, old, VIDEOBUF_DONE);
|
|
spin_unlock(&btv->s_lock);
|
|
}
|
|
|
|
static irqreturn_t bttv_irq(int irq, void *dev_id)
|
|
{
|
|
u32 stat,astat;
|
|
u32 dstat;
|
|
int count;
|
|
struct bttv *btv;
|
|
int handled = 0;
|
|
|
|
btv=(struct bttv *)dev_id;
|
|
|
|
if (btv->custom_irq)
|
|
handled = btv->custom_irq(btv);
|
|
|
|
count=0;
|
|
while (1) {
|
|
/* get/clear interrupt status bits */
|
|
stat=btread(BT848_INT_STAT);
|
|
astat=stat&btread(BT848_INT_MASK);
|
|
if (!astat)
|
|
break;
|
|
handled = 1;
|
|
btwrite(stat,BT848_INT_STAT);
|
|
|
|
/* get device status bits */
|
|
dstat=btread(BT848_DSTATUS);
|
|
|
|
if (irq_debug) {
|
|
printk(KERN_DEBUG "bttv%d: irq loop=%d fc=%d "
|
|
"riscs=%x, riscc=%08x, ",
|
|
btv->c.nr, count, btv->field_count,
|
|
stat>>28, btread(BT848_RISC_COUNT));
|
|
bttv_print_irqbits(stat,astat);
|
|
if (stat & BT848_INT_HLOCK)
|
|
printk(" HLOC => %s", (dstat & BT848_DSTATUS_HLOC)
|
|
? "yes" : "no");
|
|
if (stat & BT848_INT_VPRES)
|
|
printk(" PRES => %s", (dstat & BT848_DSTATUS_PRES)
|
|
? "yes" : "no");
|
|
if (stat & BT848_INT_FMTCHG)
|
|
printk(" NUML => %s", (dstat & BT848_DSTATUS_NUML)
|
|
? "625" : "525");
|
|
printk("\n");
|
|
}
|
|
|
|
if (astat&BT848_INT_VSYNC)
|
|
btv->field_count++;
|
|
|
|
if ((astat & BT848_INT_GPINT) && btv->remote) {
|
|
wake_up(&btv->gpioq);
|
|
bttv_input_irq(btv);
|
|
}
|
|
|
|
if (astat & BT848_INT_I2CDONE) {
|
|
btv->i2c_done = stat;
|
|
wake_up(&btv->i2c_queue);
|
|
}
|
|
|
|
if ((astat & BT848_INT_RISCI) && (stat & (4<<28)))
|
|
bttv_irq_switch_vbi(btv);
|
|
|
|
if ((astat & BT848_INT_RISCI) && (stat & (2<<28)))
|
|
bttv_irq_wakeup_top(btv);
|
|
|
|
if ((astat & BT848_INT_RISCI) && (stat & (1<<28)))
|
|
bttv_irq_switch_video(btv);
|
|
|
|
if ((astat & BT848_INT_HLOCK) && btv->opt_automute)
|
|
audio_mute(btv, btv->mute); /* trigger automute */
|
|
|
|
if (astat & (BT848_INT_SCERR|BT848_INT_OCERR)) {
|
|
printk(KERN_INFO "bttv%d: %s%s @ %08x,",btv->c.nr,
|
|
(astat & BT848_INT_SCERR) ? "SCERR" : "",
|
|
(astat & BT848_INT_OCERR) ? "OCERR" : "",
|
|
btread(BT848_RISC_COUNT));
|
|
bttv_print_irqbits(stat,astat);
|
|
printk("\n");
|
|
if (bttv_debug)
|
|
bttv_print_riscaddr(btv);
|
|
}
|
|
if (fdsr && astat & BT848_INT_FDSR) {
|
|
printk(KERN_INFO "bttv%d: FDSR @ %08x\n",
|
|
btv->c.nr,btread(BT848_RISC_COUNT));
|
|
if (bttv_debug)
|
|
bttv_print_riscaddr(btv);
|
|
}
|
|
|
|
count++;
|
|
if (count > 4) {
|
|
|
|
if (count > 8 || !(astat & BT848_INT_GPINT)) {
|
|
btwrite(0, BT848_INT_MASK);
|
|
|
|
printk(KERN_ERR
|
|
"bttv%d: IRQ lockup, cleared int mask [", btv->c.nr);
|
|
} else {
|
|
printk(KERN_ERR
|
|
"bttv%d: IRQ lockup, clearing GPINT from int mask [", btv->c.nr);
|
|
|
|
btwrite(btread(BT848_INT_MASK) & (-1 ^ BT848_INT_GPINT),
|
|
BT848_INT_MASK);
|
|
};
|
|
|
|
bttv_print_irqbits(stat,astat);
|
|
|
|
printk("]\n");
|
|
}
|
|
}
|
|
btv->irq_total++;
|
|
if (handled)
|
|
btv->irq_me++;
|
|
return IRQ_RETVAL(handled);
|
|
}
|
|
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/* initialitation */
|
|
|
|
static struct video_device *vdev_init(struct bttv *btv,
|
|
const struct video_device *template,
|
|
const char *type_name,
|
|
const int type)
|
|
{
|
|
struct video_device *vfd;
|
|
|
|
vfd = video_device_alloc();
|
|
if (NULL == vfd)
|
|
return NULL;
|
|
*vfd = *template;
|
|
vfd->minor = -1;
|
|
vfd->dev = &btv->c.pci->dev;
|
|
vfd->release = video_device_release;
|
|
vfd->type = type;
|
|
vfd->debug = bttv_debug;
|
|
snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)",
|
|
btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "",
|
|
type_name, bttv_tvcards[btv->c.type].name);
|
|
return vfd;
|
|
}
|
|
|
|
static void bttv_unregister_video(struct bttv *btv)
|
|
{
|
|
if (btv->video_dev) {
|
|
if (-1 != btv->video_dev->minor)
|
|
video_unregister_device(btv->video_dev);
|
|
else
|
|
video_device_release(btv->video_dev);
|
|
btv->video_dev = NULL;
|
|
}
|
|
if (btv->vbi_dev) {
|
|
if (-1 != btv->vbi_dev->minor)
|
|
video_unregister_device(btv->vbi_dev);
|
|
else
|
|
video_device_release(btv->vbi_dev);
|
|
btv->vbi_dev = NULL;
|
|
}
|
|
if (btv->radio_dev) {
|
|
if (-1 != btv->radio_dev->minor)
|
|
video_unregister_device(btv->radio_dev);
|
|
else
|
|
video_device_release(btv->radio_dev);
|
|
btv->radio_dev = NULL;
|
|
}
|
|
}
|
|
|
|
/* register video4linux devices */
|
|
static int __devinit bttv_register_video(struct bttv *btv)
|
|
{
|
|
int video_type = VID_TYPE_CAPTURE |
|
|
VID_TYPE_TUNER |
|
|
VID_TYPE_CLIPPING|
|
|
VID_TYPE_SCALES;
|
|
|
|
if (no_overlay <= 0) {
|
|
bttv_video_template.type |= VID_TYPE_OVERLAY;
|
|
} else {
|
|
printk("bttv: Overlay support disabled.\n");
|
|
}
|
|
|
|
/* video */
|
|
btv->video_dev = vdev_init(btv, &bttv_video_template,
|
|
"video", video_type);
|
|
|
|
if (NULL == btv->video_dev)
|
|
goto err;
|
|
if (video_register_device(btv->video_dev,VFL_TYPE_GRABBER,video_nr)<0)
|
|
goto err;
|
|
printk(KERN_INFO "bttv%d: registered device video%d\n",
|
|
btv->c.nr,btv->video_dev->minor & 0x1f);
|
|
if (device_create_file(&btv->video_dev->class_dev,
|
|
&dev_attr_card)<0) {
|
|
printk(KERN_ERR "bttv%d: device_create_file 'card' "
|
|
"failed\n", btv->c.nr);
|
|
goto err;
|
|
}
|
|
|
|
/* vbi */
|
|
btv->vbi_dev = vdev_init(btv, &bttv_video_template,
|
|
"vbi", VID_TYPE_TUNER | VID_TYPE_TELETEXT);
|
|
|
|
if (NULL == btv->vbi_dev)
|
|
goto err;
|
|
if (video_register_device(btv->vbi_dev,VFL_TYPE_VBI,vbi_nr)<0)
|
|
goto err;
|
|
printk(KERN_INFO "bttv%d: registered device vbi%d\n",
|
|
btv->c.nr,btv->vbi_dev->minor & 0x1f);
|
|
|
|
if (!btv->has_radio)
|
|
return 0;
|
|
/* radio */
|
|
btv->radio_dev = vdev_init(btv, &radio_template,
|
|
"radio", VID_TYPE_TUNER);
|
|
if (NULL == btv->radio_dev)
|
|
goto err;
|
|
if (video_register_device(btv->radio_dev, VFL_TYPE_RADIO,radio_nr)<0)
|
|
goto err;
|
|
printk(KERN_INFO "bttv%d: registered device radio%d\n",
|
|
btv->c.nr,btv->radio_dev->minor & 0x1f);
|
|
|
|
/* all done */
|
|
return 0;
|
|
|
|
err:
|
|
bttv_unregister_video(btv);
|
|
return -1;
|
|
}
|
|
|
|
|
|
/* on OpenFirmware machines (PowerMac at least), PCI memory cycle */
|
|
/* response on cards with no firmware is not enabled by OF */
|
|
static void pci_set_command(struct pci_dev *dev)
|
|
{
|
|
#if defined(__powerpc__)
|
|
unsigned int cmd;
|
|
|
|
pci_read_config_dword(dev, PCI_COMMAND, &cmd);
|
|
cmd = (cmd | PCI_COMMAND_MEMORY );
|
|
pci_write_config_dword(dev, PCI_COMMAND, cmd);
|
|
#endif
|
|
}
|
|
|
|
static int __devinit bttv_probe(struct pci_dev *dev,
|
|
const struct pci_device_id *pci_id)
|
|
{
|
|
int result;
|
|
unsigned char lat;
|
|
struct bttv *btv;
|
|
|
|
if (bttv_num == BTTV_MAX)
|
|
return -ENOMEM;
|
|
printk(KERN_INFO "bttv: Bt8xx card found (%d).\n", bttv_num);
|
|
btv=&bttvs[bttv_num];
|
|
memset(btv,0,sizeof(*btv));
|
|
btv->c.nr = bttv_num;
|
|
sprintf(btv->c.name,"bttv%d",btv->c.nr);
|
|
|
|
/* initialize structs / fill in defaults */
|
|
mutex_init(&btv->lock);
|
|
spin_lock_init(&btv->s_lock);
|
|
spin_lock_init(&btv->gpio_lock);
|
|
init_waitqueue_head(&btv->gpioq);
|
|
init_waitqueue_head(&btv->i2c_queue);
|
|
INIT_LIST_HEAD(&btv->c.subs);
|
|
INIT_LIST_HEAD(&btv->capture);
|
|
INIT_LIST_HEAD(&btv->vcapture);
|
|
v4l2_prio_init(&btv->prio);
|
|
|
|
init_timer(&btv->timeout);
|
|
btv->timeout.function = bttv_irq_timeout;
|
|
btv->timeout.data = (unsigned long)btv;
|
|
|
|
btv->i2c_rc = -1;
|
|
btv->tuner_type = UNSET;
|
|
btv->new_input = UNSET;
|
|
btv->has_radio=radio[btv->c.nr];
|
|
|
|
/* pci stuff (init, get irq/mmio, ... */
|
|
btv->c.pci = dev;
|
|
btv->id = dev->device;
|
|
if (pci_enable_device(dev)) {
|
|
printk(KERN_WARNING "bttv%d: Can't enable device.\n",
|
|
btv->c.nr);
|
|
return -EIO;
|
|
}
|
|
if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
|
|
printk(KERN_WARNING "bttv%d: No suitable DMA available.\n",
|
|
btv->c.nr);
|
|
return -EIO;
|
|
}
|
|
if (!request_mem_region(pci_resource_start(dev,0),
|
|
pci_resource_len(dev,0),
|
|
btv->c.name)) {
|
|
printk(KERN_WARNING "bttv%d: can't request iomem (0x%llx).\n",
|
|
btv->c.nr,
|
|
(unsigned long long)pci_resource_start(dev,0));
|
|
return -EBUSY;
|
|
}
|
|
pci_set_master(dev);
|
|
pci_set_command(dev);
|
|
pci_set_drvdata(dev,btv);
|
|
|
|
pci_read_config_byte(dev, PCI_CLASS_REVISION, &btv->revision);
|
|
pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
|
|
printk(KERN_INFO "bttv%d: Bt%d (rev %d) at %s, ",
|
|
bttv_num,btv->id, btv->revision, pci_name(dev));
|
|
printk("irq: %d, latency: %d, mmio: 0x%llx\n",
|
|
btv->c.pci->irq, lat,
|
|
(unsigned long long)pci_resource_start(dev,0));
|
|
schedule();
|
|
|
|
btv->bt848_mmio = ioremap(pci_resource_start(dev, 0), 0x1000);
|
|
if (NULL == btv->bt848_mmio) {
|
|
printk("bttv%d: ioremap() failed\n", btv->c.nr);
|
|
result = -EIO;
|
|
goto fail1;
|
|
}
|
|
|
|
/* identify card */
|
|
bttv_idcard(btv);
|
|
|
|
/* disable irqs, register irq handler */
|
|
btwrite(0, BT848_INT_MASK);
|
|
result = request_irq(btv->c.pci->irq, bttv_irq,
|
|
IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv);
|
|
if (result < 0) {
|
|
printk(KERN_ERR "bttv%d: can't get IRQ %d\n",
|
|
bttv_num,btv->c.pci->irq);
|
|
goto fail1;
|
|
}
|
|
|
|
if (0 != bttv_handle_chipset(btv)) {
|
|
result = -EIO;
|
|
goto fail2;
|
|
}
|
|
|
|
/* init options from insmod args */
|
|
btv->opt_combfilter = combfilter;
|
|
btv->opt_lumafilter = lumafilter;
|
|
btv->opt_automute = automute;
|
|
btv->opt_chroma_agc = chroma_agc;
|
|
btv->opt_adc_crush = adc_crush;
|
|
btv->opt_vcr_hack = vcr_hack;
|
|
btv->opt_whitecrush_upper = whitecrush_upper;
|
|
btv->opt_whitecrush_lower = whitecrush_lower;
|
|
btv->opt_uv_ratio = uv_ratio;
|
|
btv->opt_full_luma_range = full_luma_range;
|
|
btv->opt_coring = coring;
|
|
|
|
/* fill struct bttv with some useful defaults */
|
|
btv->init.btv = btv;
|
|
btv->init.ov.w.width = 320;
|
|
btv->init.ov.w.height = 240;
|
|
btv->init.fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
|
|
btv->init.width = 320;
|
|
btv->init.height = 240;
|
|
btv->input = 0;
|
|
|
|
/* initialize hardware */
|
|
if (bttv_gpio)
|
|
bttv_gpio_tracking(btv,"pre-init");
|
|
|
|
bttv_risc_init_main(btv);
|
|
init_bt848(btv);
|
|
|
|
/* gpio */
|
|
btwrite(0x00, BT848_GPIO_REG_INP);
|
|
btwrite(0x00, BT848_GPIO_OUT_EN);
|
|
if (bttv_verbose)
|
|
bttv_gpio_tracking(btv,"init");
|
|
|
|
/* needs to be done before i2c is registered */
|
|
bttv_init_card1(btv);
|
|
|
|
/* register i2c + gpio */
|
|
init_bttv_i2c(btv);
|
|
|
|
/* some card-specific stuff (needs working i2c) */
|
|
bttv_init_card2(btv);
|
|
init_irqreg(btv);
|
|
|
|
/* register video4linux + input */
|
|
if (!bttv_tvcards[btv->c.type].no_video) {
|
|
bttv_register_video(btv);
|
|
bt848_bright(btv,32768);
|
|
bt848_contrast(btv,32768);
|
|
bt848_hue(btv,32768);
|
|
bt848_sat(btv,32768);
|
|
audio_mute(btv, 1);
|
|
set_input(btv, 0, btv->tvnorm);
|
|
bttv_crop_reset(&btv->crop[0], btv->tvnorm);
|
|
btv->crop[1] = btv->crop[0]; /* current = default */
|
|
disclaim_vbi_lines(btv);
|
|
disclaim_video_lines(btv);
|
|
}
|
|
|
|
/* add subdevices and autoload dvb-bt8xx if needed */
|
|
if (bttv_tvcards[btv->c.type].has_dvb) {
|
|
bttv_sub_add_device(&btv->c, "dvb");
|
|
request_modules(btv);
|
|
}
|
|
|
|
bttv_input_init(btv);
|
|
|
|
/* everything is fine */
|
|
bttv_num++;
|
|
return 0;
|
|
|
|
fail2:
|
|
free_irq(btv->c.pci->irq,btv);
|
|
|
|
fail1:
|
|
if (btv->bt848_mmio)
|
|
iounmap(btv->bt848_mmio);
|
|
release_mem_region(pci_resource_start(btv->c.pci,0),
|
|
pci_resource_len(btv->c.pci,0));
|
|
pci_set_drvdata(dev,NULL);
|
|
return result;
|
|
}
|
|
|
|
static void __devexit bttv_remove(struct pci_dev *pci_dev)
|
|
{
|
|
struct bttv *btv = pci_get_drvdata(pci_dev);
|
|
|
|
if (bttv_verbose)
|
|
printk("bttv%d: unloading\n",btv->c.nr);
|
|
|
|
/* shutdown everything (DMA+IRQs) */
|
|
btand(~15, BT848_GPIO_DMA_CTL);
|
|
btwrite(0, BT848_INT_MASK);
|
|
btwrite(~0x0, BT848_INT_STAT);
|
|
btwrite(0x0, BT848_GPIO_OUT_EN);
|
|
if (bttv_gpio)
|
|
bttv_gpio_tracking(btv,"cleanup");
|
|
|
|
/* tell gpio modules we are leaving ... */
|
|
btv->shutdown=1;
|
|
wake_up(&btv->gpioq);
|
|
bttv_input_fini(btv);
|
|
bttv_sub_del_devices(&btv->c);
|
|
|
|
/* unregister i2c_bus + input */
|
|
fini_bttv_i2c(btv);
|
|
|
|
/* unregister video4linux */
|
|
bttv_unregister_video(btv);
|
|
|
|
/* free allocated memory */
|
|
btcx_riscmem_free(btv->c.pci,&btv->main);
|
|
|
|
/* free ressources */
|
|
free_irq(btv->c.pci->irq,btv);
|
|
iounmap(btv->bt848_mmio);
|
|
release_mem_region(pci_resource_start(btv->c.pci,0),
|
|
pci_resource_len(btv->c.pci,0));
|
|
|
|
pci_set_drvdata(pci_dev, NULL);
|
|
return;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state)
|
|
{
|
|
struct bttv *btv = pci_get_drvdata(pci_dev);
|
|
struct bttv_buffer_set idle;
|
|
unsigned long flags;
|
|
|
|
dprintk("bttv%d: suspend %d\n", btv->c.nr, state.event);
|
|
|
|
/* stop dma + irqs */
|
|
spin_lock_irqsave(&btv->s_lock,flags);
|
|
memset(&idle, 0, sizeof(idle));
|
|
btv->state.video = btv->curr;
|
|
btv->state.vbi = btv->cvbi;
|
|
btv->state.loop_irq = btv->loop_irq;
|
|
btv->curr = idle;
|
|
btv->loop_irq = 0;
|
|
bttv_buffer_activate_video(btv, &idle);
|
|
bttv_buffer_activate_vbi(btv, NULL);
|
|
bttv_set_dma(btv, 0);
|
|
btwrite(0, BT848_INT_MASK);
|
|
spin_unlock_irqrestore(&btv->s_lock,flags);
|
|
|
|
/* save bt878 state */
|
|
btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN);
|
|
btv->state.gpio_data = gpio_read();
|
|
|
|
/* save pci state */
|
|
pci_save_state(pci_dev);
|
|
if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) {
|
|
pci_disable_device(pci_dev);
|
|
btv->state.disabled = 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int bttv_resume(struct pci_dev *pci_dev)
|
|
{
|
|
struct bttv *btv = pci_get_drvdata(pci_dev);
|
|
unsigned long flags;
|
|
int err;
|
|
|
|
dprintk("bttv%d: resume\n", btv->c.nr);
|
|
|
|
/* restore pci state */
|
|
if (btv->state.disabled) {
|
|
err=pci_enable_device(pci_dev);
|
|
if (err) {
|
|
printk(KERN_WARNING "bttv%d: Can't enable device.\n",
|
|
btv->c.nr);
|
|
return err;
|
|
}
|
|
btv->state.disabled = 0;
|
|
}
|
|
err=pci_set_power_state(pci_dev, PCI_D0);
|
|
if (err) {
|
|
pci_disable_device(pci_dev);
|
|
printk(KERN_WARNING "bttv%d: Can't enable device.\n",
|
|
btv->c.nr);
|
|
btv->state.disabled = 1;
|
|
return err;
|
|
}
|
|
|
|
pci_restore_state(pci_dev);
|
|
|
|
/* restore bt878 state */
|
|
bttv_reinit_bt848(btv);
|
|
gpio_inout(0xffffff, btv->state.gpio_enable);
|
|
gpio_write(btv->state.gpio_data);
|
|
|
|
/* restart dma */
|
|
spin_lock_irqsave(&btv->s_lock,flags);
|
|
btv->curr = btv->state.video;
|
|
btv->cvbi = btv->state.vbi;
|
|
btv->loop_irq = btv->state.loop_irq;
|
|
bttv_buffer_activate_video(btv, &btv->curr);
|
|
bttv_buffer_activate_vbi(btv, btv->cvbi);
|
|
bttv_set_dma(btv, 0);
|
|
spin_unlock_irqrestore(&btv->s_lock,flags);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static struct pci_device_id bttv_pci_tbl[] = {
|
|
{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT848,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT849,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT878,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BT879,
|
|
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
{0,}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, bttv_pci_tbl);
|
|
|
|
static struct pci_driver bttv_pci_driver = {
|
|
.name = "bttv",
|
|
.id_table = bttv_pci_tbl,
|
|
.probe = bttv_probe,
|
|
.remove = __devexit_p(bttv_remove),
|
|
#ifdef CONFIG_PM
|
|
.suspend = bttv_suspend,
|
|
.resume = bttv_resume,
|
|
#endif
|
|
};
|
|
|
|
static int __init bttv_init_module(void)
|
|
{
|
|
int ret;
|
|
|
|
bttv_num = 0;
|
|
|
|
printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n",
|
|
(BTTV_VERSION_CODE >> 16) & 0xff,
|
|
(BTTV_VERSION_CODE >> 8) & 0xff,
|
|
BTTV_VERSION_CODE & 0xff);
|
|
#ifdef SNAPSHOT
|
|
printk(KERN_INFO "bttv: snapshot date %04d-%02d-%02d\n",
|
|
SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
|
|
#endif
|
|
if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME)
|
|
gbuffers = 2;
|
|
if (gbufsize < 0 || gbufsize > BTTV_MAX_FBUF)
|
|
gbufsize = BTTV_MAX_FBUF;
|
|
gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK;
|
|
if (bttv_verbose)
|
|
printk(KERN_INFO "bttv: using %d buffers with %dk (%d pages) each for capture\n",
|
|
gbuffers, gbufsize >> 10, gbufsize >> PAGE_SHIFT);
|
|
|
|
bttv_check_chipset();
|
|
|
|
ret = bus_register(&bttv_sub_bus_type);
|
|
if (ret < 0) {
|
|
printk(KERN_WARNING "bttv: bus_register error: %d\n", ret);
|
|
return ret;
|
|
}
|
|
ret = pci_register_driver(&bttv_pci_driver);
|
|
if (ret < 0)
|
|
bus_unregister(&bttv_sub_bus_type);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit bttv_cleanup_module(void)
|
|
{
|
|
pci_unregister_driver(&bttv_pci_driver);
|
|
bus_unregister(&bttv_sub_bus_type);
|
|
}
|
|
|
|
module_init(bttv_init_module);
|
|
module_exit(bttv_cleanup_module);
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|