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[PATCH] v4l: 713: add alsa support to saa7134 driver
Signed-off-by: Nickolay V. Shmyrev <nshmyrev@yandex.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Nickolay V. Shmyrev
Linus Torvalds
parent
e976f93725
commit
5f7591c04f
543
drivers/media/video/saa7134/saa7134-alsa.c
Normal file
543
drivers/media/video/saa7134/saa7134-alsa.c
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@ -0,0 +1,543 @@
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/*
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*
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* Support for audio capture
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* PCI function #1 of the saa7134
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*
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* (c) 2005 Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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* (c) 2004 Gerd Knorr <kraxel@bytesex.org>
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* (c) 2003 Clemens Ladisch <clemens@ladisch.de>
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*
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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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*
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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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*
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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/module.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/interrupt.h>
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#include <asm/delay.h>
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#include <sound/driver.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/control.h>
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#include <sound/initval.h>
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#include "saa7134.h"
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#include "saa7134-reg.h"
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#define dprintk(level,fmt, arg...) if (debug >= level) \
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printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg)
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/****************************************************************************
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Data type declarations - Can be moded to a header file later
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****************************************************************************/
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#define ANALOG_CLOCK 1792000
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#define CLOCK_DIV_MIN 4
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#define CLOCK_DIV_MAX 15
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#define MAX_PCM_DEVICES 4
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#define MAX_PCM_SUBSTREAMS 16
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enum { DEVICE_DIGITAL, DEVICE_ANALOG };
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/* These can be replaced after done */
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#define MIXER_ADDR_LAST MAX_saa7134_INPUT
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struct saa7134_audio_dev {
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struct saa7134_core *core;
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struct saa7134_buffer *buf;
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struct saa7134_dmaqueue q;
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/* pci i/o */
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struct pci_dev *pci;
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unsigned char pci_rev,pci_lat;
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/* audio controls */
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int irq;
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int dig_rate; /* Digital sampling rate */
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snd_card_t *card;
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spinlock_t reg_lock;
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unsigned int dma_size;
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unsigned int period_size;
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int mixer_volume[MIXER_ADDR_LAST+1][2];
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int capture_source[MIXER_ADDR_LAST+1][2];
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long opened;
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snd_pcm_substream_t *substream;
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};
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typedef struct saa7134_audio_dev snd_saa7134_card_t;
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/****************************************************************************
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Module global static vars
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****************************************************************************/
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
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static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1};
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable saa7134x soundcard. default enabled.");
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/****************************************************************************
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Module macros
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****************************************************************************/
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MODULE_DESCRIPTION("ALSA driver module for saa7134 based TV cards");
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MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@brturbo.com.br>");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Philips, saa7131E},"
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"{{Philips, saa7134},"
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"{{Philips, saa7133}");
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static unsigned int debug = 0;
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module_param(debug,int,0644);
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MODULE_PARM_DESC(debug,"enable debug messages");
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/****************************************************************************
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Module specific funtions
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****************************************************************************/
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/*
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* BOARD Specific: Sets audio DMA
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*/
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int saa7134_start_audio_dma(snd_saa7134_card_t *chip)
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{
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struct saa7134_core *core = chip->core;
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return 0;
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}
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/*
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* BOARD Specific: Resets audio DMA
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*/
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int saa7134_stop_audio_dma(snd_saa7134_card_t *chip)
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{
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struct saa7134_core *core=chip->core;
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return 0;
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}
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#define MAX_IRQ_LOOP 10
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static void saa713401_timeout(unsigned long data)
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{
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snd_saa7134_card_t *chip = (snd_saa7134_card_t *)data;
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}
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/* FIXME: Wrong values*/
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static char *saa7134_aud_irqs[32] = {
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"y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
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"y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
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"y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
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"y_sync", "u_sync", "v_sync", "vbi_sync",
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"opc_err", "par_err", "rip_err", "pci_abort",
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};
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static void saa713401_aud_irq(snd_saa7134_card_t *chip)
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{
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struct saa7134_core *core = chip->core;
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}
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static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
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{
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snd_saa7134_card_t *chip = dev_id;
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struct saa7134_core *core = chip->core;
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}
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/****************************************************************************
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ALSA PCM Interface
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****************************************************************************/
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/*
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* Digital hardware definition
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*/
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static snd_pcm_hardware_t snd_saa7134_digital_hw = {
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.info = SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_BLOCK_TRANSFER |
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SNDRV_PCM_INFO_MMAP_VALID,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.rates = 0, /* set at runtime */
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 255 * 4092,
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.period_bytes_min = 32,
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.period_bytes_max = 4092,
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.periods_min = 2,
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.periods_max = 255,
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};
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/*
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* Sets board to provide digital audio
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*/
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static int snd_saa7134_set_digital_hw(snd_saa7134_card_t *chip, snd_pcm_runtime_t *runtime)
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{
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return 0;
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}
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/*
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* audio open callback
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*/
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static int snd_saa7134_pcm_open(snd_pcm_substream_t *substream)
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{
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snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
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snd_pcm_runtime_t *runtime = substream->runtime;
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int err;
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if (test_and_set_bit(0, &chip->opened))
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return -EBUSY;
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err = snd_saa7134_set_digital_hw(chip, runtime);
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if (err < 0)
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goto _error;
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err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
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if (err < 0)
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goto _error;
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chip->substream = substream;
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return 0;
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_error:
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clear_bit(0, &chip->opened);
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smp_mb__after_clear_bit();
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return err;
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}
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/*
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* audio close callback
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*/
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static int snd_saa7134_close(snd_pcm_substream_t *substream)
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{
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snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
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chip->substream = NULL;
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clear_bit(0, &chip->opened);
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smp_mb__after_clear_bit();
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return 0;
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}
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/*
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* hw_params callback
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*/
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static int snd_saa7134_hw_params(snd_pcm_substream_t * substream,
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snd_pcm_hw_params_t * hw_params)
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{
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return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
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}
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/*
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* hw free callback
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*/
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static int snd_saa7134_hw_free(snd_pcm_substream_t * substream)
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{
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return snd_pcm_lib_free_pages(substream);
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}
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/*
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* prepare callback
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*/
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static int snd_saa7134_prepare(snd_pcm_substream_t *substream)
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{
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snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
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return 0;
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}
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/*
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* trigger callback
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*/
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static int snd_saa7134_card_trigger(snd_pcm_substream_t *substream, int cmd)
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{
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snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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return snd_saa7134_start(chip);
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case SNDRV_PCM_TRIGGER_STOP:
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return snd_saa7134_stop(chip);
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default:
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return -EINVAL;
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}
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}
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/*
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* pointer callback
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*/
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static snd_pcm_uframes_t snd_saa7134_pointer(snd_pcm_substream_t *substream)
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{
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// snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
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// snd_pcm_runtime_t *runtime = substream->runtime;
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// return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes);
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}
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/*
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* operators
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*/
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static snd_pcm_ops_t snd_saa7134_pcm_ops = {
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.open = snd_saa7134_pcm_open,
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.close = snd_saa7134_close,
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.ioctl = snd_pcm_lib_ioctl,
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.hw_params = snd_saa7134_hw_params,
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.hw_free = snd_saa7134_hw_free,
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.prepare = snd_saa7134_prepare,
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.trigger = snd_saa7134_card_trigger,
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.pointer = snd_saa7134_pointer,
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.page = snd_pcm_sgbuf_ops_page,
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};
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/*
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* create a PCM device
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*/
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static int __devinit snd_saa7134_pcm(snd_saa7134_card_t *chip, int device, char *name)
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{
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int err;
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snd_pcm_t *pcm;
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err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);
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if (err < 0)
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return err;
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pcm->private_data = chip;
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strcpy(pcm->name, name);
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snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_saa7134_pcm_ops);
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return snd_pcm_lib_preallocate_pages_for_all(pcm,
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SNDRV_DMA_TYPE_DEV_SG,
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snd_dma_pci_data(chip->pci),
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128 * 1024,
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(255 * 4092 + 1023) & ~1023);
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}
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/****************************************************************************
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CONTROL INTERFACE
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****************************************************************************/
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static int snd_saa7134_capture_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *info)
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{
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info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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info->count = 1;
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info->value.integer.min = 0;
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info->value.integer.max = 0x3f;
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return 0;
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}
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/* OK - TODO: test it */
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static int snd_saa7134_capture_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value)
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{
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snd_saa7134_card_t *chip = snd_kcontrol_chip(kcontrol);
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struct saa7134_core *core=chip->core;
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return 0;
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}
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/* OK - TODO: test it */
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static int snd_saa7134_capture_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value)
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{
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snd_saa7134_card_t *chip = snd_kcontrol_chip(kcontrol);
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struct saa7134_core *core=chip->core;
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return 0;
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}
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static snd_kcontrol_new_t snd_saa7134_capture_volume = {
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Capture Volume",
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.info = snd_saa7134_capture_volume_info,
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.get = snd_saa7134_capture_volume_get,
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.put = snd_saa7134_capture_volume_put,
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};
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/*
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***************************************
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*/
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|
||||||
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/****************************************************************************
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||||||
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Basic Flow for Sound Devices
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||||||
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****************************************************************************/
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||||||
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/*
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||||||
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* PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio
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* Only boards with eeprom and byte 1 at eeprom=1 have it
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*/
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|
||||||
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struct pci_device_id saa7134_audio_pci_tbl[] = {
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||||||
|
{0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
|
||||||
|
{0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
|
||||||
|
{0, }
|
||||||
|
};
|
||||||
|
MODULE_DEVICE_TABLE(pci, saa7134_audio_pci_tbl);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Chip-specific destructor
|
||||||
|
*/
|
||||||
|
|
||||||
|
static int snd_saa7134_free(snd_saa7134_card_t *chip)
|
||||||
|
{
|
||||||
|
if (chip->irq >= 0)
|
||||||
|
free_irq(chip->irq, chip);
|
||||||
|
|
||||||
|
/* free memory */
|
||||||
|
saa7134_core_put(chip->core,chip->pci);
|
||||||
|
|
||||||
|
pci_release_regions(chip->pci);
|
||||||
|
pci_disable_device(chip->pci);
|
||||||
|
|
||||||
|
kfree(chip);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Component Destructor
|
||||||
|
*/
|
||||||
|
static int snd_saa7134_dev_free(snd_device_t *device)
|
||||||
|
{
|
||||||
|
snd_saa7134_card_t *chip = device->device_data;
|
||||||
|
return snd_saa7134_free(chip);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Alsa Constructor - Component probe
|
||||||
|
*/
|
||||||
|
|
||||||
|
static int devno=0;
|
||||||
|
static int __devinit snd_saa7134_create(snd_card_t *card, struct pci_dev *pci,
|
||||||
|
snd_saa7134_card_t **rchip)
|
||||||
|
{
|
||||||
|
snd_saa7134_card_t *chip;
|
||||||
|
struct saa7134_core *core;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int __devinit saa7134_audio_initdev(struct pci_dev *pci,
|
||||||
|
const struct pci_device_id *pci_id)
|
||||||
|
{
|
||||||
|
snd_card_t *card;
|
||||||
|
snd_saa7134_card_t *chip;
|
||||||
|
int err;
|
||||||
|
|
||||||
|
if (devno >= SNDRV_CARDS)
|
||||||
|
return (-ENODEV);
|
||||||
|
|
||||||
|
if (!enable[devno]) {
|
||||||
|
++devno;
|
||||||
|
return (-ENOENT);
|
||||||
|
}
|
||||||
|
|
||||||
|
card = snd_card_new(index[devno], id[devno], THIS_MODULE, 0);
|
||||||
|
if (!card)
|
||||||
|
return (-ENOMEM);
|
||||||
|
|
||||||
|
err = snd_saa7134_create(card, pci, &chip);
|
||||||
|
if (err < 0)
|
||||||
|
return (err);
|
||||||
|
|
||||||
|
/*
|
||||||
|
err = snd_saa7134_pcm(chip, DEVICE_DIGITAL, "saa7134 Digital");
|
||||||
|
if (err < 0)
|
||||||
|
goto fail_free;
|
||||||
|
*/
|
||||||
|
err = snd_ctl_add(card, snd_ctl_new1(&snd_saa7134_capture_volume, chip));
|
||||||
|
if (err < 0) {
|
||||||
|
snd_card_free(card);
|
||||||
|
return (err);
|
||||||
|
}
|
||||||
|
|
||||||
|
strcpy (card->driver, "saa7134_ALSA");
|
||||||
|
sprintf(card->shortname, "Saa7134 %x", pci->device);
|
||||||
|
sprintf(card->longname, "%s at %#lx",
|
||||||
|
card->shortname, pci_resource_start(pci, 0));
|
||||||
|
strcpy (card->mixername, "saa7134");
|
||||||
|
|
||||||
|
dprintk (0, "%s/%i: Alsa support for saa7134x boards\n",
|
||||||
|
card->driver,devno);
|
||||||
|
|
||||||
|
err = snd_card_register(card);
|
||||||
|
if (err < 0) {
|
||||||
|
snd_card_free(card);
|
||||||
|
return (err);
|
||||||
|
}
|
||||||
|
|
||||||
|
pci_set_drvdata(pci,card);
|
||||||
|
|
||||||
|
devno++;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
/*
|
||||||
|
* ALSA destructor
|
||||||
|
*/
|
||||||
|
static void __devexit saa7134_audio_finidev(struct pci_dev *pci)
|
||||||
|
{
|
||||||
|
snd_card_free(pci_get_drvdata(pci));
|
||||||
|
pci_set_drvdata(pci, NULL);
|
||||||
|
|
||||||
|
devno--;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* PCI driver definition
|
||||||
|
*/
|
||||||
|
|
||||||
|
static struct pci_driver saa7134_audio_pci_driver = {
|
||||||
|
.name = "saa7134_audio",
|
||||||
|
.id_table = saa7134_audio_pci_tbl,
|
||||||
|
.probe = saa7134_audio_initdev,
|
||||||
|
.remove = saa7134_audio_finidev,
|
||||||
|
SND_PCI_PM_CALLBACKS
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
LINUX MODULE INIT
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* module init
|
||||||
|
*/
|
||||||
|
static int saa7134_audio_init(void)
|
||||||
|
{
|
||||||
|
printk(KERN_INFO "saa7134x alsa driver version %d.%d.%d loaded\n",
|
||||||
|
(saa7134_VERSION_CODE >> 16) & 0xff,
|
||||||
|
(saa7134_VERSION_CODE >> 8) & 0xff,
|
||||||
|
saa7134_VERSION_CODE & 0xff);
|
||||||
|
#ifdef SNAPSHOT
|
||||||
|
printk(KERN_INFO "saa7134x: snapshot date %04d-%02d-%02d\n",
|
||||||
|
SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
|
||||||
|
#endif
|
||||||
|
return pci_module_init(&saa7134_audio_pci_driver);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* module remove
|
||||||
|
*/
|
||||||
|
static void saa7134_audio_fini(void)
|
||||||
|
{
|
||||||
|
pci_unregister_driver(&saa7134_audio_pci_driver);
|
||||||
|
}
|
||||||
|
|
||||||
|
module_init(saa7134_audio_init);
|
||||||
|
module_exit(saa7134_audio_fini);
|
||||||
|
|
||||||
|
/* ----------------------------------------------------------- */
|
||||||
|
/*
|
||||||
|
* Local variables:
|
||||||
|
* c-basic-offset: 8
|
||||||
|
* End:
|
||||||
|
*/
|
||||||
@ -180,7 +180,8 @@ static struct tvnorm tvnorms[] = {
|
|||||||
.name = "SECAM-L",
|
.name = "SECAM-L",
|
||||||
.b = ( cPositiveAmTV |
|
.b = ( cPositiveAmTV |
|
||||||
cQSS ),
|
cQSS ),
|
||||||
.e = ( cAudioIF_6_5 |
|
.e = ( cGaiting_36 |
|
||||||
|
cAudioIF_6_5 |
|
||||||
cVideoIF_38_90 ),
|
cVideoIF_38_90 ),
|
||||||
},{
|
},{
|
||||||
.std = V4L2_STD_SECAM_DK,
|
.std = V4L2_STD_SECAM_DK,
|
||||||
@ -329,7 +330,7 @@ static void dump_write_message(unsigned char *buf)
|
|||||||
printk(PREFIX "write: byte E 0x%02x\n",buf[3]);
|
printk(PREFIX "write: byte E 0x%02x\n",buf[3]);
|
||||||
printk(" E0-1 sound carrier : %s\n",
|
printk(" E0-1 sound carrier : %s\n",
|
||||||
carrier[(buf[3] & 0x03)]);
|
carrier[(buf[3] & 0x03)]);
|
||||||
printk(" E6 l pll ganting : %s\n",
|
printk(" E6 l pll gaiting : %s\n",
|
||||||
(buf[3] & 0x40) ? "36" : "13");
|
(buf[3] & 0x40) ? "36" : "13");
|
||||||
|
|
||||||
if (buf[1] & 0x08) {
|
if (buf[1] & 0x08) {
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user