/*
- * $Id: saa7134-oss.c,v 1.13 2004/12/10 12:33:39 kraxel Exp $
*
* device driver for philips saa7134 based TV cards
* oss dsp interface
*
* (c) 2001,02 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
+ * 2005 conversion to standalone module:
+ * Ricardo Cerqueira <v4l@cerqueira.org>
*
* 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
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
+#include <linux/interrupt.h>
#include <linux/slab.h>
+#include <linux/sound.h>
#include <linux/soundcard.h>
#include "saa7134-reg.h"
/* ------------------------------------------------------------------ */
-static unsigned int oss_debug = 0;
-module_param(oss_debug, int, 0644);
-MODULE_PARM_DESC(oss_debug,"enable debug messages [oss]");
+static unsigned int debug = 0;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug,"enable debug messages [oss]");
-static unsigned int oss_rate = 0;
-module_param(oss_rate, int, 0444);
-MODULE_PARM_DESC(oss_rate,"sample rate (valid are: 32000,48000)");
+static unsigned int rate = 0;
+module_param(rate, int, 0444);
+MODULE_PARM_DESC(rate,"sample rate (valid are: 32000,48000)");
-#define dprintk(fmt, arg...) if (oss_debug) \
+static unsigned int dsp_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+MODULE_PARM_DESC(dsp_nr, "device numbers for SAA7134 capture interface(s).");
+module_param_array(dsp_nr, int, NULL, 0444);
+
+static unsigned int mixer_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
+MODULE_PARM_DESC(mixer_nr, "mixer numbers for SAA7134 capture interface(s).");
+module_param_array(mixer_nr, int, NULL, 0444);
+
+#define dprintk(fmt, arg...) if (debug) \
printk(KERN_DEBUG "%s/oss: " fmt, dev->name , ## arg)
+
/* ------------------------------------------------------------------ */
static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks)
{
- blksize &= ~0xff;
if (blksize < 0x100)
blksize = 0x100;
if (blksize > 0x10000)
if (blocks < 2)
blocks = 2;
- while ((blksize * blocks) & ~PAGE_MASK)
- blocks++;
if ((blksize * blocks) > 1024*1024)
blocks = 1024*1024 / blksize;
- dev->oss.blocks = blocks;
- dev->oss.blksize = blksize;
- dev->oss.bufsize = blksize * blocks;
+ dev->dmasound.blocks = blocks;
+ dev->dmasound.blksize = blksize;
+ dev->dmasound.bufsize = blksize * blocks;
dprintk("buffer config: %d blocks / %d bytes, %d kB total\n",
- blocks,blksize,blksize * blocks / 1024);
+ blocks,blksize,blksize * blocks / 1024);
return 0;
}
{
int err;
- if (!dev->oss.bufsize)
- BUG();
- videobuf_dma_init(&dev->oss.dma);
- err = videobuf_dma_init_kernel(&dev->oss.dma, PCI_DMA_FROMDEVICE,
- dev->oss.bufsize >> PAGE_SHIFT);
+ BUG_ON(!dev->dmasound.bufsize);
+ videobuf_dma_init(&dev->dmasound.dma);
+ err = videobuf_dma_init_kernel(&dev->dmasound.dma, PCI_DMA_FROMDEVICE,
+ (dev->dmasound.bufsize + PAGE_SIZE) >> PAGE_SHIFT);
if (0 != err)
return err;
return 0;
static int dsp_buffer_free(struct saa7134_dev *dev)
{
- if (!dev->oss.blksize)
- BUG();
- videobuf_dma_free(&dev->oss.dma);
- dev->oss.blocks = 0;
- dev->oss.blksize = 0;
- dev->oss.bufsize = 0;
+ BUG_ON(!dev->dmasound.blksize);
+ videobuf_dma_free(&dev->dmasound.dma);
+ dev->dmasound.blocks = 0;
+ dev->dmasound.blksize = 0;
+ dev->dmasound.bufsize = 0;
return 0;
}
static void dsp_dma_start(struct saa7134_dev *dev)
{
- dev->oss.dma_blk = 0;
- dev->oss.dma_running = 1;
+ dev->dmasound.dma_blk = 0;
+ dev->dmasound.dma_running = 1;
saa7134_set_dmabits(dev);
}
static void dsp_dma_stop(struct saa7134_dev *dev)
{
- dev->oss.dma_blk = -1;
- dev->oss.dma_running = 0;
+ dev->dmasound.dma_blk = -1;
+ dev->dmasound.dma_running = 0;
saa7134_set_dmabits(dev);
}
unsigned long flags;
/* prepare buffer */
- if (0 != (err = videobuf_dma_pci_map(dev->pci,&dev->oss.dma)))
+ if (0 != (err = videobuf_pci_dma_map(dev->pci,&dev->dmasound.dma)))
return err;
- if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->oss.pt)))
+ if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt)))
goto fail1;
- if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->oss.pt,
- dev->oss.dma.sglist,
- dev->oss.dma.sglen,
+ if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->dmasound.pt,
+ dev->dmasound.dma.sglist,
+ dev->dmasound.dma.sglen,
0)))
goto fail2;
/* sample format */
- switch (dev->oss.afmt) {
+ switch (dev->dmasound.afmt) {
case AFMT_U8:
case AFMT_S8: fmt = 0x00; break;
case AFMT_U16_LE:
goto fail2;
}
- switch (dev->oss.afmt) {
+ switch (dev->dmasound.afmt) {
case AFMT_S8:
case AFMT_S16_LE:
case AFMT_S16_BE: sign = 1; break;
default: sign = 0; break;
}
- switch (dev->oss.afmt) {
+ switch (dev->dmasound.afmt) {
case AFMT_U16_BE:
case AFMT_S16_BE: bswap = 1; break;
default: bswap = 0; break;
switch (dev->pci->device) {
case PCI_DEVICE_ID_PHILIPS_SAA7134:
- if (1 == dev->oss.channels)
+ if (1 == dev->dmasound.channels)
fmt |= (1 << 3);
- if (2 == dev->oss.channels)
+ if (2 == dev->dmasound.channels)
fmt |= (3 << 3);
if (sign)
fmt |= 0x04;
- fmt |= (TV == dev->oss.input) ? 0xc0 : 0x80;
+ fmt |= (TV == dev->dmasound.input) ? 0xc0 : 0x80;
- saa_writeb(SAA7134_NUM_SAMPLES0, (dev->oss.blksize & 0x0000ff));
- saa_writeb(SAA7134_NUM_SAMPLES1, (dev->oss.blksize & 0x00ff00) >> 8);
- saa_writeb(SAA7134_NUM_SAMPLES2, (dev->oss.blksize & 0xff0000) >> 16);
+ saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->dmasound.blksize - 1) & 0x0000ff));
+ saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->dmasound.blksize - 1) & 0x00ff00) >> 8);
+ saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->dmasound.blksize - 1) & 0xff0000) >> 16);
saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt);
+
break;
case PCI_DEVICE_ID_PHILIPS_SAA7133:
case PCI_DEVICE_ID_PHILIPS_SAA7135:
- if (1 == dev->oss.channels)
+ if (1 == dev->dmasound.channels)
fmt |= (1 << 4);
- if (2 == dev->oss.channels)
+ if (2 == dev->dmasound.channels)
fmt |= (2 << 4);
if (!sign)
fmt |= 0x04;
- saa_writel(0x588 >> 2, dev->oss.blksize -4);
- saa_writel(0x58c >> 2, 0x543210 | (fmt << 24));
+ saa_writel(SAA7133_NUM_SAMPLES, dev->dmasound.blksize -4);
+ saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210 | (fmt << 24));
break;
}
dprintk("rec_start: afmt=%d ch=%d => fmt=0x%x swap=%c\n",
- dev->oss.afmt, dev->oss.channels, fmt,
+ dev->dmasound.afmt, dev->dmasound.channels, fmt,
bswap ? 'b' : '-');
/* dma: setup channel 6 (= AUDIO) */
control = SAA7134_RS_CONTROL_BURST_16 |
SAA7134_RS_CONTROL_ME |
- (dev->oss.pt.dma >> 12);
+ (dev->dmasound.pt.dma >> 12);
if (bswap)
control |= SAA7134_RS_CONTROL_BSWAP;
saa_writel(SAA7134_RS_BA1(6),0);
- saa_writel(SAA7134_RS_BA2(6),dev->oss.blksize);
+ saa_writel(SAA7134_RS_BA2(6),dev->dmasound.blksize);
saa_writel(SAA7134_RS_PITCH(6),0);
saa_writel(SAA7134_RS_CONTROL(6),control);
/* start dma */
- dev->oss.recording_on = 1;
+ dev->dmasound.recording_on = 1;
spin_lock_irqsave(&dev->slock,flags);
dsp_dma_start(dev);
spin_unlock_irqrestore(&dev->slock,flags);
return 0;
fail2:
- saa7134_pgtable_free(dev->pci,&dev->oss.pt);
+ saa7134_pgtable_free(dev->pci,&dev->dmasound.pt);
fail1:
- videobuf_dma_pci_unmap(dev->pci,&dev->oss.dma);
+ videobuf_pci_dma_unmap(dev->pci,&dev->dmasound.dma);
return err;
}
{
unsigned long flags;
- dprintk("rec_stop dma_blk=%d\n",dev->oss.dma_blk);
+ dprintk("rec_stop dma_blk=%d\n",dev->dmasound.dma_blk);
/* stop dma */
- dev->oss.recording_on = 0;
+ dev->dmasound.recording_on = 0;
spin_lock_irqsave(&dev->slock,flags);
dsp_dma_stop(dev);
spin_unlock_irqrestore(&dev->slock,flags);
/* unlock buffer */
- saa7134_pgtable_free(dev->pci,&dev->oss.pt);
- videobuf_dma_pci_unmap(dev->pci,&dev->oss.dma);
+ saa7134_pgtable_free(dev->pci,&dev->dmasound.pt);
+ videobuf_pci_dma_unmap(dev->pci,&dev->dmasound.dma);
return 0;
}
list_for_each(list,&saa7134_devlist) {
h = list_entry(list, struct saa7134_dev, devlist);
- if (h->oss.minor_dsp == minor)
+ if (h->dmasound.minor_dsp == minor)
dev = h;
}
if (NULL == dev)
return -ENODEV;
- down(&dev->oss.lock);
+ mutex_lock(&dev->dmasound.lock);
err = -EBUSY;
- if (dev->oss.users_dsp)
+ if (dev->dmasound.users_dsp)
goto fail1;
- dev->oss.users_dsp++;
+ dev->dmasound.users_dsp++;
file->private_data = dev;
- dev->oss.afmt = AFMT_U8;
- dev->oss.channels = 1;
- dev->oss.read_count = 0;
- dev->oss.read_offset = 0;
+ dev->dmasound.afmt = AFMT_U8;
+ dev->dmasound.channels = 1;
+ dev->dmasound.read_count = 0;
+ dev->dmasound.read_offset = 0;
dsp_buffer_conf(dev,PAGE_SIZE,64);
err = dsp_buffer_init(dev);
if (0 != err)
goto fail2;
- up(&dev->oss.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
fail2:
- dev->oss.users_dsp--;
+ dev->dmasound.users_dsp--;
fail1:
- up(&dev->oss.lock);
+ mutex_unlock(&dev->dmasound.lock);
return err;
}
{
struct saa7134_dev *dev = file->private_data;
- down(&dev->oss.lock);
- if (dev->oss.recording_on)
+ mutex_lock(&dev->dmasound.lock);
+ if (dev->dmasound.recording_on)
dsp_rec_stop(dev);
dsp_buffer_free(dev);
- dev->oss.users_dsp--;
+ dev->dmasound.users_dsp--;
file->private_data = NULL;
- up(&dev->oss.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
}
unsigned long flags;
int err,ret = 0;
- add_wait_queue(&dev->oss.wq, &wait);
- down(&dev->oss.lock);
+ add_wait_queue(&dev->dmasound.wq, &wait);
+ mutex_lock(&dev->dmasound.lock);
while (count > 0) {
/* wait for data if needed */
- if (0 == dev->oss.read_count) {
- if (!dev->oss.recording_on) {
+ if (0 == dev->dmasound.read_count) {
+ if (!dev->dmasound.recording_on) {
err = dsp_rec_start(dev);
if (err < 0) {
if (0 == ret)
break;
}
}
- if (dev->oss.recording_on &&
- !dev->oss.dma_running) {
+ if (dev->dmasound.recording_on &&
+ !dev->dmasound.dma_running) {
/* recover from overruns */
spin_lock_irqsave(&dev->slock,flags);
dsp_dma_start(dev);
ret = -EAGAIN;
break;
}
- up(&dev->oss.lock);
+ mutex_unlock(&dev->dmasound.lock);
set_current_state(TASK_INTERRUPTIBLE);
- if (0 == dev->oss.read_count)
+ if (0 == dev->dmasound.read_count)
schedule();
set_current_state(TASK_RUNNING);
- down(&dev->oss.lock);
+ mutex_lock(&dev->dmasound.lock);
if (signal_pending(current)) {
if (0 == ret)
ret = -EINTR;
/* copy data to userspace */
bytes = count;
- if (bytes > dev->oss.read_count)
- bytes = dev->oss.read_count;
- if (bytes > dev->oss.bufsize - dev->oss.read_offset)
- bytes = dev->oss.bufsize - dev->oss.read_offset;
+ if (bytes > dev->dmasound.read_count)
+ bytes = dev->dmasound.read_count;
+ if (bytes > dev->dmasound.bufsize - dev->dmasound.read_offset)
+ bytes = dev->dmasound.bufsize - dev->dmasound.read_offset;
if (copy_to_user(buffer + ret,
- dev->oss.dma.vmalloc + dev->oss.read_offset,
+ dev->dmasound.dma.vmalloc + dev->dmasound.read_offset,
bytes)) {
if (0 == ret)
ret = -EFAULT;
ret += bytes;
count -= bytes;
- dev->oss.read_count -= bytes;
- dev->oss.read_offset += bytes;
- if (dev->oss.read_offset == dev->oss.bufsize)
- dev->oss.read_offset = 0;
+ dev->dmasound.read_count -= bytes;
+ dev->dmasound.read_offset += bytes;
+ if (dev->dmasound.read_offset == dev->dmasound.bufsize)
+ dev->dmasound.read_offset = 0;
}
- up(&dev->oss.lock);
- remove_wait_queue(&dev->oss.wq, &wait);
+ mutex_unlock(&dev->dmasound.lock);
+ remove_wait_queue(&dev->dmasound.wq, &wait);
return ret;
}
return -EINVAL;
}
+static const char *osspcm_ioctls[] = {
+ "RESET", "SYNC", "SPEED", "STEREO", "GETBLKSIZE", "SETFMT",
+ "CHANNELS", "?", "POST", "SUBDIVIDE", "SETFRAGMENT", "GETFMTS",
+ "GETOSPACE", "GETISPACE", "NONBLOCK", "GETCAPS", "GET/SETTRIGGER",
+ "GETIPTR", "GETOPTR", "MAPINBUF", "MAPOUTBUF", "SETSYNCRO",
+ "SETDUPLEX", "GETODELAY"
+};
+#define OSSPCM_IOCTLS ARRAY_SIZE(osspcm_ioctls)
+
+static void saa7134_oss_print_ioctl(char *name, unsigned int cmd)
+{
+ char *dir;
+
+ switch (_IOC_DIR(cmd)) {
+ case _IOC_NONE: dir = "--"; break;
+ case _IOC_READ: dir = "r-"; break;
+ case _IOC_WRITE: dir = "-w"; break;
+ case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
+ default: dir = "??"; break;
+ }
+ switch (_IOC_TYPE(cmd)) {
+ case 'P':
+ printk(KERN_DEBUG "%s: ioctl 0x%08x (oss dsp, %s, SNDCTL_DSP_%s)\n",
+ name, cmd, dir, (_IOC_NR(cmd) < OSSPCM_IOCTLS) ?
+ osspcm_ioctls[_IOC_NR(cmd)] : "???");
+ break;
+ case 'M':
+ printk(KERN_DEBUG "%s: ioctl 0x%08x (oss mixer, %s, #%d)\n",
+ name, cmd, dir, _IOC_NR(cmd));
+ break;
+ default:
+ printk(KERN_DEBUG "%s: ioctl 0x%08x (???, %s, #%d)\n",
+ name, cmd, dir, _IOC_NR(cmd));
+ }
+}
+
static int dsp_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
int __user *p = argp;
int val = 0;
- if (oss_debug > 1)
- saa7134_print_ioctl(dev->name,cmd);
- switch (cmd) {
- case OSS_GETVERSION:
- return put_user(SOUND_VERSION, p);
- case SNDCTL_DSP_GETCAPS:
+ if (debug > 1)
+ saa7134_oss_print_ioctl(dev->name,cmd);
+ switch (cmd) {
+ case OSS_GETVERSION:
+ return put_user(SOUND_VERSION, p);
+ case SNDCTL_DSP_GETCAPS:
return 0;
- case SNDCTL_DSP_SPEED:
+ case SNDCTL_DSP_SPEED:
if (get_user(val, p))
return -EFAULT;
/* fall through */
- case SOUND_PCM_READ_RATE:
- return put_user(dev->oss.rate, p);
+ case SOUND_PCM_READ_RATE:
+ return put_user(dev->dmasound.rate, p);
- case SNDCTL_DSP_STEREO:
+ case SNDCTL_DSP_STEREO:
if (get_user(val, p))
return -EFAULT;
- down(&dev->oss.lock);
- dev->oss.channels = val ? 2 : 1;
- if (dev->oss.recording_on) {
+ mutex_lock(&dev->dmasound.lock);
+ dev->dmasound.channels = val ? 2 : 1;
+ if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->oss.lock);
- return put_user(dev->oss.channels-1, p);
+ mutex_unlock(&dev->dmasound.lock);
+ return put_user(dev->dmasound.channels-1, p);
- case SNDCTL_DSP_CHANNELS:
+ case SNDCTL_DSP_CHANNELS:
if (get_user(val, p))
return -EFAULT;
if (val != 1 && val != 2)
return -EINVAL;
- down(&dev->oss.lock);
- dev->oss.channels = val;
- if (dev->oss.recording_on) {
+ mutex_lock(&dev->dmasound.lock);
+ dev->dmasound.channels = val;
+ if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->oss.lock);
+ mutex_unlock(&dev->dmasound.lock);
/* fall through */
- case SOUND_PCM_READ_CHANNELS:
- return put_user(dev->oss.channels, p);
+ case SOUND_PCM_READ_CHANNELS:
+ return put_user(dev->dmasound.channels, p);
- case SNDCTL_DSP_GETFMTS: /* Returns a mask */
+ case SNDCTL_DSP_GETFMTS: /* Returns a mask */
return put_user(AFMT_U8 | AFMT_S8 |
AFMT_U16_LE | AFMT_U16_BE |
AFMT_S16_LE | AFMT_S16_BE, p);
- case SNDCTL_DSP_SETFMT: /* Selects ONE fmt */
+ case SNDCTL_DSP_SETFMT: /* Selects ONE fmt */
if (get_user(val, p))
return -EFAULT;
switch (val) {
case AFMT_U16_BE:
case AFMT_S16_LE:
case AFMT_S16_BE:
- down(&dev->oss.lock);
- dev->oss.afmt = val;
- if (dev->oss.recording_on) {
+ mutex_lock(&dev->dmasound.lock);
+ dev->dmasound.afmt = val;
+ if (dev->dmasound.recording_on) {
dsp_rec_stop(dev);
dsp_rec_start(dev);
}
- up(&dev->oss.lock);
- return put_user(dev->oss.afmt, p);
+ mutex_unlock(&dev->dmasound.lock);
+ return put_user(dev->dmasound.afmt, p);
default:
return -EINVAL;
}
- case SOUND_PCM_READ_BITS:
- switch (dev->oss.afmt) {
+ case SOUND_PCM_READ_BITS:
+ switch (dev->dmasound.afmt) {
case AFMT_U8:
case AFMT_S8:
return put_user(8, p);
return -EINVAL;
}
- case SNDCTL_DSP_NONBLOCK:
- file->f_flags |= O_NONBLOCK;
- return 0;
+ case SNDCTL_DSP_NONBLOCK:
+ file->f_flags |= O_NONBLOCK;
+ return 0;
- case SNDCTL_DSP_RESET:
- down(&dev->oss.lock);
- if (dev->oss.recording_on)
+ case SNDCTL_DSP_RESET:
+ mutex_lock(&dev->dmasound.lock);
+ if (dev->dmasound.recording_on)
dsp_rec_stop(dev);
- up(&dev->oss.lock);
+ mutex_unlock(&dev->dmasound.lock);
return 0;
- case SNDCTL_DSP_GETBLKSIZE:
- return put_user(dev->oss.blksize, p);
+ case SNDCTL_DSP_GETBLKSIZE:
+ return put_user(dev->dmasound.blksize, p);
- case SNDCTL_DSP_SETFRAGMENT:
+ case SNDCTL_DSP_SETFRAGMENT:
if (get_user(val, p))
return -EFAULT;
- if (dev->oss.recording_on)
+ if (dev->dmasound.recording_on)
return -EBUSY;
dsp_buffer_free(dev);
/* used to be arg >> 16 instead of val >> 16; fixed */
dsp_buffer_init(dev);
return 0;
- case SNDCTL_DSP_SYNC:
+ case SNDCTL_DSP_SYNC:
/* NOP */
return 0;
case SNDCTL_DSP_GETISPACE:
{
audio_buf_info info;
- info.fragsize = dev->oss.blksize;
- info.fragstotal = dev->oss.blocks;
- info.bytes = dev->oss.read_count;
+ info.fragsize = dev->dmasound.blksize;
+ info.fragstotal = dev->dmasound.blocks;
+ info.bytes = dev->dmasound.read_count;
info.fragments = info.bytes / info.fragsize;
if (copy_to_user(argp, &info, sizeof(info)))
return -EFAULT;
struct saa7134_dev *dev = file->private_data;
unsigned int mask = 0;
- poll_wait(file, &dev->oss.wq, wait);
+ poll_wait(file, &dev->dmasound.wq, wait);
- if (0 == dev->oss.read_count) {
- down(&dev->oss.lock);
- if (!dev->oss.recording_on)
+ if (0 == dev->dmasound.read_count) {
+ mutex_lock(&dev->dmasound.lock);
+ if (!dev->dmasound.recording_on)
dsp_rec_start(dev);
- up(&dev->oss.lock);
+ mutex_unlock(&dev->dmasound.lock);
} else
mask |= (POLLIN | POLLRDNORM);
return mask;
{
int analog_io,rate;
- switch (dev->oss.input) {
+ switch (dev->dmasound.input) {
case TV:
saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0);
saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00);
case LINE1:
case LINE2:
case LINE2_LEFT:
- analog_io = (LINE1 == dev->oss.input) ? 0x00 : 0x08;
- rate = (32000 == dev->oss.rate) ? 0x01 : 0x03;
+ analog_io = (LINE1 == dev->dmasound.input) ? 0x00 : 0x08;
+ rate = (32000 == dev->dmasound.rate) ? 0x01 : 0x03;
saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io);
saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80);
saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate);
static int
mixer_recsrc_7133(struct saa7134_dev *dev)
{
- u32 value = 0xbbbbbb;
+ u32 anabar, xbarin;
- switch (dev->oss.input) {
+ xbarin = 0x03; // adc
+ anabar = 0;
+ switch (dev->dmasound.input) {
case TV:
- value = 0xbbbb10; /* MAIN */
+ xbarin = 0; // Demodulator
+ anabar = 2; // DACs
break;
case LINE1:
- value = 0xbbbb32; /* AUX1 */
+ anabar = 0; // aux1, aux1
break;
case LINE2:
case LINE2_LEFT:
- value = 0xbbbb54; /* AUX2 */
+ anabar = 9; // aux2, aux2
break;
}
- saa_dsp_writel(dev, 0x46c >> 2, value);
+ /* output xbar always main channel */
+ saa_dsp_writel(dev, 0x46c >> 2, 0xbbbb10);
+ saa_dsp_writel(dev, 0x464 >> 2, xbarin);
+ saa_writel(0x594 >> 2, anabar);
+
return 0;
}
{
static const char *iname[] = { "Oops", "TV", "LINE1", "LINE2" };
- dev->oss.count++;
- dev->oss.input = src;
- dprintk("mixer input = %s\n",iname[dev->oss.input]);
+ dev->dmasound.count++;
+ dev->dmasound.input = src;
+ dprintk("mixer input = %s\n",iname[dev->dmasound.input]);
switch (dev->pci->device) {
case PCI_DEVICE_ID_PHILIPS_SAA7134:
list_for_each(list,&saa7134_devlist) {
h = list_entry(list, struct saa7134_dev, devlist);
- if (h->oss.minor_mixer == minor)
+ if (h->dmasound.minor_mixer == minor)
dev = h;
}
if (NULL == dev)
void __user *argp = (void __user *) arg;
int __user *p = argp;
- if (oss_debug > 1)
- saa7134_print_ioctl(dev->name,cmd);
- switch (cmd) {
- case OSS_GETVERSION:
- return put_user(SOUND_VERSION, p);
+ if (debug > 1)
+ saa7134_oss_print_ioctl(dev->name,cmd);
+ switch (cmd) {
+ case OSS_GETVERSION:
+ return put_user(SOUND_VERSION, p);
case SOUND_MIXER_INFO:
{
mixer_info info;
memset(&info,0,sizeof(info));
- strlcpy(info.id, "TV audio", sizeof(info.id));
- strlcpy(info.name, dev->name, sizeof(info.name));
- info.modify_counter = dev->oss.count;
- if (copy_to_user(argp, &info, sizeof(info)))
- return -EFAULT;
+ strlcpy(info.id, "TV audio", sizeof(info.id));
+ strlcpy(info.name, dev->name, sizeof(info.name));
+ info.modify_counter = dev->dmasound.count;
+ if (copy_to_user(argp, &info, sizeof(info)))
+ return -EFAULT;
return 0;
}
case SOUND_OLD_MIXER_INFO:
{
_old_mixer_info info;
memset(&info,0,sizeof(info));
- strlcpy(info.id, "TV audio", sizeof(info.id));
- strlcpy(info.name, dev->name, sizeof(info.name));
- if (copy_to_user(argp, &info, sizeof(info)))
- return -EFAULT;
+ strlcpy(info.id, "TV audio", sizeof(info.id));
+ strlcpy(info.name, dev->name, sizeof(info.name));
+ if (copy_to_user(argp, &info, sizeof(info)))
+ return -EFAULT;
return 0;
}
case MIXER_READ(SOUND_MIXER_CAPS):
case MIXER_READ(SOUND_MIXER_RECMASK):
case MIXER_READ(SOUND_MIXER_DEVMASK):
val = SOUND_MASK_LINE1 | SOUND_MASK_LINE2;
- if (32000 == dev->oss.rate)
+ if (32000 == dev->dmasound.rate)
val |= SOUND_MASK_VIDEO;
return put_user(val, p);
case MIXER_WRITE(SOUND_MIXER_RECSRC):
if (get_user(val, p))
return -EFAULT;
- input = dev->oss.input;
- if (32000 == dev->oss.rate &&
- val & SOUND_MASK_VIDEO && dev->oss.input != TV)
+ input = dev->dmasound.input;
+ if (32000 == dev->dmasound.rate &&
+ val & SOUND_MASK_VIDEO && dev->dmasound.input != TV)
input = TV;
- if (val & SOUND_MASK_LINE1 && dev->oss.input != LINE1)
+ if (val & SOUND_MASK_LINE1 && dev->dmasound.input != LINE1)
input = LINE1;
- if (val & SOUND_MASK_LINE2 && dev->oss.input != LINE2)
+ if (val & SOUND_MASK_LINE2 && dev->dmasound.input != LINE2)
input = LINE2;
- if (input != dev->oss.input)
+ if (input != dev->dmasound.input)
mixer_recsrc(dev,input);
/* fall throuth */
case MIXER_READ(SOUND_MIXER_RECSRC):
- switch (dev->oss.input) {
+ switch (dev->dmasound.input) {
case TV: ret = SOUND_MASK_VIDEO; break;
case LINE1: ret = SOUND_MASK_LINE1; break;
case LINE2: ret = SOUND_MASK_LINE2; break;
case MIXER_WRITE(SOUND_MIXER_VIDEO):
case MIXER_READ(SOUND_MIXER_VIDEO):
- if (32000 != dev->oss.rate)
+ if (32000 != dev->dmasound.rate)
return -EINVAL;
return put_user(100 | 100 << 8, p);
return -EFAULT;
val &= 0xff;
val = (val <= 50) ? 50 : 100;
- dev->oss.line1 = val;
- mixer_level(dev,LINE1,dev->oss.line1);
+ dev->dmasound.line1 = val;
+ mixer_level(dev,LINE1,dev->dmasound.line1);
/* fall throuth */
case MIXER_READ(SOUND_MIXER_LINE1):
- return put_user(dev->oss.line1 | dev->oss.line1 << 8, p);
+ return put_user(dev->dmasound.line1 | dev->dmasound.line1 << 8, p);
case MIXER_WRITE(SOUND_MIXER_LINE2):
if (get_user(val, p))
return -EFAULT;
val &= 0xff;
val = (val <= 50) ? 50 : 100;
- dev->oss.line2 = val;
- mixer_level(dev,LINE2,dev->oss.line2);
+ dev->dmasound.line2 = val;
+ mixer_level(dev,LINE2,dev->dmasound.line2);
/* fall throuth */
case MIXER_READ(SOUND_MIXER_LINE2):
- return put_user(dev->oss.line2 | dev->oss.line2 << 8, p);
+ return put_user(dev->dmasound.line2 | dev->dmasound.line2 << 8, p);
default:
return -EINVAL;
/* ------------------------------------------------------------------ */
+static irqreturn_t saa7134_oss_irq(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct saa7134_dmasound *dmasound = dev_id;
+ struct saa7134_dev *dev = dmasound->priv_data;
+ unsigned long report, status;
+ int loop, handled = 0;
+
+ for (loop = 0; loop < 10; loop++) {
+ report = saa_readl(SAA7134_IRQ_REPORT);
+ status = saa_readl(SAA7134_IRQ_STATUS);
+
+ if (report & SAA7134_IRQ_REPORT_DONE_RA3) {
+ handled = 1;
+ saa_writel(SAA7134_IRQ_REPORT,report);
+ saa7134_irq_oss_done(dev, status);
+ } else {
+ goto out;
+ }
+ }
+
+ if (loop == 10) {
+ dprintk("error! looping IRQ!");
+ }
+out:
+ return IRQ_RETVAL(handled);
+}
+
int saa7134_oss_init1(struct saa7134_dev *dev)
{
+
+ if ((request_irq(dev->pci->irq, saa7134_oss_irq,
+ SA_SHIRQ | SA_INTERRUPT, dev->name,
+ (void*) &dev->dmasound)) < 0)
+ return -1;
+
/* general */
- init_MUTEX(&dev->oss.lock);
- init_waitqueue_head(&dev->oss.wq);
+ mutex_init(&dev->dmasound.lock);
+ init_waitqueue_head(&dev->dmasound.wq);
switch (dev->pci->device) {
case PCI_DEVICE_ID_PHILIPS_SAA7133:
}
/* dsp */
- dev->oss.rate = 32000;
- if (oss_rate)
- dev->oss.rate = oss_rate;
- dev->oss.rate = (dev->oss.rate > 40000) ? 48000 : 32000;
+ dev->dmasound.rate = 32000;
+ if (rate)
+ dev->dmasound.rate = rate;
+ dev->dmasound.rate = (dev->dmasound.rate > 40000) ? 48000 : 32000;
/* mixer */
- dev->oss.line1 = 50;
- dev->oss.line2 = 50;
- mixer_level(dev,LINE1,dev->oss.line1);
- mixer_level(dev,LINE2,dev->oss.line2);
- mixer_recsrc(dev, (dev->oss.rate == 32000) ? TV : LINE2);
+ dev->dmasound.line1 = 50;
+ dev->dmasound.line2 = 50;
+ mixer_level(dev,LINE1,dev->dmasound.line1);
+ mixer_level(dev,LINE2,dev->dmasound.line2);
+ mixer_recsrc(dev, (dev->dmasound.rate == 32000) ? TV : LINE2);
return 0;
}
int next_blk, reg = 0;
spin_lock(&dev->slock);
- if (UNSET == dev->oss.dma_blk) {
+ if (UNSET == dev->dmasound.dma_blk) {
dprintk("irq: recording stopped\n");
goto done;
}
dprintk("irq: lost %ld\n", (status >> 24) & 0x0f);
if (0 == (status & 0x10000000)) {
/* odd */
- if (0 == (dev->oss.dma_blk & 0x01))
+ if (0 == (dev->dmasound.dma_blk & 0x01))
reg = SAA7134_RS_BA1(6);
} else {
/* even */
- if (0 == (dev->oss.dma_blk & 0x00))
+ if (1 == (dev->dmasound.dma_blk & 0x01))
reg = SAA7134_RS_BA2(6);
}
if (0 == reg) {
(status & 0x10000000) ? "even" : "odd");
goto done;
}
- if (dev->oss.read_count >= dev->oss.blksize * (dev->oss.blocks-2)) {
- dprintk("irq: overrun [full=%d/%d]\n",dev->oss.read_count,
- dev->oss.bufsize);
+ if (dev->dmasound.read_count >= dev->dmasound.blksize * (dev->dmasound.blocks-2)) {
+ dprintk("irq: overrun [full=%d/%d]\n",dev->dmasound.read_count,
+ dev->dmasound.bufsize);
dsp_dma_stop(dev);
goto done;
}
/* next block addr */
- next_blk = (dev->oss.dma_blk + 2) % dev->oss.blocks;
- saa_writel(reg,next_blk * dev->oss.blksize);
- if (oss_debug > 2)
+ next_blk = (dev->dmasound.dma_blk + 2) % dev->dmasound.blocks;
+ saa_writel(reg,next_blk * dev->dmasound.blksize);
+ if (debug > 2)
dprintk("irq: ok, %s, next_blk=%d, addr=%x\n",
(status & 0x10000000) ? "even" : "odd ", next_blk,
- next_blk * dev->oss.blksize);
+ next_blk * dev->dmasound.blksize);
/* update status & wake waiting readers */
- dev->oss.dma_blk = (dev->oss.dma_blk + 1) % dev->oss.blocks;
- dev->oss.read_count += dev->oss.blksize;
- wake_up(&dev->oss.wq);
+ dev->dmasound.dma_blk = (dev->dmasound.dma_blk + 1) % dev->dmasound.blocks;
+ dev->dmasound.read_count += dev->dmasound.blksize;
+ wake_up(&dev->dmasound.wq);
done:
spin_unlock(&dev->slock);
}
+static int saa7134_dsp_create(struct saa7134_dev *dev)
+{
+ int err;
+
+ err = dev->dmasound.minor_dsp =
+ register_sound_dsp(&saa7134_dsp_fops,
+ dsp_nr[dev->nr]);
+ if (err < 0) {
+ goto fail;
+ }
+ printk(KERN_INFO "%s: registered device dsp%d\n",
+ dev->name,dev->dmasound.minor_dsp >> 4);
+
+ err = dev->dmasound.minor_mixer =
+ register_sound_mixer(&saa7134_mixer_fops,
+ mixer_nr[dev->nr]);
+ if (err < 0)
+ goto fail;
+ printk(KERN_INFO "%s: registered device mixer%d\n",
+ dev->name,dev->dmasound.minor_mixer >> 4);
+
+ return 0;
+
+fail:
+ unregister_sound_dsp(dev->dmasound.minor_dsp);
+ return 0;
+
+
+}
+
+static int oss_device_init(struct saa7134_dev *dev)
+{
+ dev->dmasound.priv_data = dev;
+ saa7134_oss_init1(dev);
+ saa7134_dsp_create(dev);
+ return 1;
+}
+
+static int oss_device_exit(struct saa7134_dev *dev)
+{
+
+ unregister_sound_mixer(dev->dmasound.minor_mixer);
+ unregister_sound_dsp(dev->dmasound.minor_dsp);
+
+ saa7134_oss_fini(dev);
+
+ if (dev->pci->irq > 0) {
+ synchronize_irq(dev->pci->irq);
+ free_irq(dev->pci->irq,&dev->dmasound);
+ }
+
+ dev->dmasound.priv_data = NULL;
+ return 1;
+}
+
+static int saa7134_oss_init(void)
+{
+ struct saa7134_dev *dev = NULL;
+ struct list_head *list;
+
+ if (!dmasound_init && !dmasound_exit) {
+ dmasound_init = oss_device_init;
+ dmasound_exit = oss_device_exit;
+ } else {
+ printk(KERN_WARNING "saa7134 OSS: can't load, DMA sound handler already assigned (probably to ALSA)\n");
+ return -EBUSY;
+ }
+
+ printk(KERN_INFO "saa7134 OSS driver for DMA sound loaded\n");
+
+
+ list_for_each(list,&saa7134_devlist) {
+ dev = list_entry(list, struct saa7134_dev, devlist);
+ if (dev->dmasound.priv_data == NULL) {
+ oss_device_init(dev);
+ } else {
+ printk(KERN_ERR "saa7134 OSS: DMA sound is being handled by ALSA, ignoring %s\n",dev->name);
+ return -EBUSY;
+ }
+ }
+
+ if (dev == NULL)
+ printk(KERN_INFO "saa7134 OSS: no saa7134 cards found\n");
+
+ return 0;
+
+}
+
+static void saa7134_oss_exit(void)
+{
+ struct saa7134_dev *dev = NULL;
+ struct list_head *list;
+
+ list_for_each(list,&saa7134_devlist) {
+ dev = list_entry(list, struct saa7134_dev, devlist);
+
+ /* Device isn't registered by OSS, probably ALSA's */
+ if (!dev->dmasound.minor_dsp)
+ continue;
+
+ oss_device_exit(dev);
+
+ }
+
+ dmasound_init = NULL;
+ dmasound_exit = NULL;
+
+ printk(KERN_INFO "saa7134 OSS driver for DMA sound unloaded\n");
+
+ return;
+}
+
+/* We initialize this late, to make sure the sound system is up and running */
+late_initcall(saa7134_oss_init);
+module_exit(saa7134_oss_exit);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
+
/* ----------------------------------------------------------- */
/*
* Local variables:
git://git.onelab.eu / linux-2.6.git / blobdiff