[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 2005-11-08 21:37:04 -08:00 committed by Linus Torvalds
parent e976f93725
commit 5f7591c04f
2 changed files with 546 additions and 2 deletions

View File

@ -0,0 +1,543 @@
/*
*
* Support for audio capture
* PCI function #1 of the saa7134
*
* (c) 2005 Mauro Carvalho Chehab <mchehab@brturbo.com.br>
* (c) 2004 Gerd Knorr <kraxel@bytesex.org>
* (c) 2003 Clemens Ladisch <clemens@ladisch.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <asm/delay.h>
#include <sound/driver.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/control.h>
#include <sound/initval.h>
#include "saa7134.h"
#include "saa7134-reg.h"
#define dprintk(level,fmt, arg...) if (debug >= level) \
printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg)
/****************************************************************************
Data type declarations - Can be moded to a header file later
****************************************************************************/
#define ANALOG_CLOCK 1792000
#define CLOCK_DIV_MIN 4
#define CLOCK_DIV_MAX 15
#define MAX_PCM_DEVICES 4
#define MAX_PCM_SUBSTREAMS 16
enum { DEVICE_DIGITAL, DEVICE_ANALOG };
/* These can be replaced after done */
#define MIXER_ADDR_LAST MAX_saa7134_INPUT
struct saa7134_audio_dev {
struct saa7134_core *core;
struct saa7134_buffer *buf;
struct saa7134_dmaqueue q;
/* pci i/o */
struct pci_dev *pci;
unsigned char pci_rev,pci_lat;
/* audio controls */
int irq;
int dig_rate; /* Digital sampling rate */
snd_card_t *card;
spinlock_t reg_lock;
unsigned int dma_size;
unsigned int period_size;
int mixer_volume[MIXER_ADDR_LAST+1][2];
int capture_source[MIXER_ADDR_LAST+1][2];
long opened;
snd_pcm_substream_t *substream;
};
typedef struct saa7134_audio_dev snd_saa7134_card_t;
/****************************************************************************
Module global static vars
****************************************************************************/
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1};
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable saa7134x soundcard. default enabled.");
/****************************************************************************
Module macros
****************************************************************************/
MODULE_DESCRIPTION("ALSA driver module for saa7134 based TV cards");
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@brturbo.com.br>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Philips, saa7131E},"
"{{Philips, saa7134},"
"{{Philips, saa7133}");
static unsigned int debug = 0;
module_param(debug,int,0644);
MODULE_PARM_DESC(debug,"enable debug messages");
/****************************************************************************
Module specific funtions
****************************************************************************/
/*
* BOARD Specific: Sets audio DMA
*/
int saa7134_start_audio_dma(snd_saa7134_card_t *chip)
{
struct saa7134_core *core = chip->core;
return 0;
}
/*
* BOARD Specific: Resets audio DMA
*/
int saa7134_stop_audio_dma(snd_saa7134_card_t *chip)
{
struct saa7134_core *core=chip->core;
return 0;
}
#define MAX_IRQ_LOOP 10
static void saa713401_timeout(unsigned long data)
{
snd_saa7134_card_t *chip = (snd_saa7134_card_t *)data;
}
/* FIXME: Wrong values*/
static char *saa7134_aud_irqs[32] = {
"y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
"y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
"y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
"y_sync", "u_sync", "v_sync", "vbi_sync",
"opc_err", "par_err", "rip_err", "pci_abort",
};
static void saa713401_aud_irq(snd_saa7134_card_t *chip)
{
struct saa7134_core *core = chip->core;
}
static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
{
snd_saa7134_card_t *chip = dev_id;
struct saa7134_core *core = chip->core;
}
/****************************************************************************
ALSA PCM Interface
****************************************************************************/
/*
* Digital hardware definition
*/
static snd_pcm_hardware_t snd_saa7134_digital_hw = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = 0, /* set at runtime */
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = 255 * 4092,
.period_bytes_min = 32,
.period_bytes_max = 4092,
.periods_min = 2,
.periods_max = 255,
};
/*
* Sets board to provide digital audio
*/
static int snd_saa7134_set_digital_hw(snd_saa7134_card_t *chip, snd_pcm_runtime_t *runtime)
{
return 0;
}
/*
* audio open callback
*/
static int snd_saa7134_pcm_open(snd_pcm_substream_t *substream)
{
snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
snd_pcm_runtime_t *runtime = substream->runtime;
int err;
if (test_and_set_bit(0, &chip->opened))
return -EBUSY;
err = snd_saa7134_set_digital_hw(chip, runtime);
if (err < 0)
goto _error;
err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if (err < 0)
goto _error;
chip->substream = substream;
return 0;
_error:
clear_bit(0, &chip->opened);
smp_mb__after_clear_bit();
return err;
}
/*
* audio close callback
*/
static int snd_saa7134_close(snd_pcm_substream_t *substream)
{
snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
chip->substream = NULL;
clear_bit(0, &chip->opened);
smp_mb__after_clear_bit();
return 0;
}
/*
* hw_params callback
*/
static int snd_saa7134_hw_params(snd_pcm_substream_t * substream,
snd_pcm_hw_params_t * hw_params)
{
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}
/*
* hw free callback
*/
static int snd_saa7134_hw_free(snd_pcm_substream_t * substream)
{
return snd_pcm_lib_free_pages(substream);
}
/*
* prepare callback
*/
static int snd_saa7134_prepare(snd_pcm_substream_t *substream)
{
snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
return 0;
}
/*
* trigger callback
*/
static int snd_saa7134_card_trigger(snd_pcm_substream_t *substream, int cmd)
{
snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
return snd_saa7134_start(chip);
case SNDRV_PCM_TRIGGER_STOP:
return snd_saa7134_stop(chip);
default:
return -EINVAL;
}
}
/*
* pointer callback
*/
static snd_pcm_uframes_t snd_saa7134_pointer(snd_pcm_substream_t *substream)
{
// snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream);
// snd_pcm_runtime_t *runtime = substream->runtime;
// return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes);
}
/*
* operators
*/
static snd_pcm_ops_t snd_saa7134_pcm_ops = {
.open = snd_saa7134_pcm_open,
.close = snd_saa7134_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_saa7134_hw_params,
.hw_free = snd_saa7134_hw_free,
.prepare = snd_saa7134_prepare,
.trigger = snd_saa7134_card_trigger,
.pointer = snd_saa7134_pointer,
.page = snd_pcm_sgbuf_ops_page,
};
/*
* create a PCM device
*/
static int __devinit snd_saa7134_pcm(snd_saa7134_card_t *chip, int device, char *name)
{
int err;
snd_pcm_t *pcm;
err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);
if (err < 0)
return err;
pcm->private_data = chip;
strcpy(pcm->name, name);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_saa7134_pcm_ops);
return snd_pcm_lib_preallocate_pages_for_all(pcm,
SNDRV_DMA_TYPE_DEV_SG,
snd_dma_pci_data(chip->pci),
128 * 1024,
(255 * 4092 + 1023) & ~1023);
}
/****************************************************************************
CONTROL INTERFACE
****************************************************************************/
static int snd_saa7134_capture_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *info)
{
info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
info->count = 1;
info->value.integer.min = 0;
info->value.integer.max = 0x3f;
return 0;
}
/* OK - TODO: test it */
static int snd_saa7134_capture_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value)
{
snd_saa7134_card_t *chip = snd_kcontrol_chip(kcontrol);
struct saa7134_core *core=chip->core;
return 0;
}
/* OK - TODO: test it */
static int snd_saa7134_capture_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value)
{
snd_saa7134_card_t *chip = snd_kcontrol_chip(kcontrol);
struct saa7134_core *core=chip->core;
return 0;
}
static snd_kcontrol_new_t snd_saa7134_capture_volume = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Volume",
.info = snd_saa7134_capture_volume_info,
.get = snd_saa7134_capture_volume_get,
.put = snd_saa7134_capture_volume_put,
};
/*
***************************************
*/
/****************************************************************************
Basic Flow for Sound Devices
****************************************************************************/
/*
* PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio
* Only boards with eeprom and byte 1 at eeprom=1 have it
*/
struct pci_device_id saa7134_audio_pci_tbl[] = {
{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:
*/

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@ -180,7 +180,8 @@ static struct tvnorm tvnorms[] = {
.name = "SECAM-L",
.b = ( cPositiveAmTV |
cQSS ),
.e = ( cAudioIF_6_5 |
.e = ( cGaiting_36 |
cAudioIF_6_5 |
cVideoIF_38_90 ),
},{
.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(" E0-1 sound carrier : %s\n",
carrier[(buf[3] & 0x03)]);
printk(" E6 l pll ganting : %s\n",
printk(" E6 l pll gaiting : %s\n",
(buf[3] & 0x40) ? "36" : "13");
if (buf[1] & 0x08) {