diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-oss.c')
-rw-r--r-- | drivers/media/video/saa7134/saa7134-oss.c | 549 |
1 files changed, 351 insertions, 198 deletions
diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c index c20630c82f1..5a579194e45 100644 --- a/drivers/media/video/saa7134/saa7134-oss.c +++ b/drivers/media/video/saa7134/saa7134-oss.c @@ -4,6 +4,8 @@ * 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 @@ -25,7 +27,9 @@ #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" @@ -33,17 +37,26 @@ /* ------------------------------------------------------------------ */ -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) @@ -58,12 +71,12 @@ static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int 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; } @@ -71,11 +84,11 @@ static int dsp_buffer_init(struct saa7134_dev *dev) { int err; - if (!dev->oss.bufsize) + if (!dev->dmasound.bufsize) BUG(); - videobuf_dma_init(&dev->oss.dma); - err = videobuf_dma_init_kernel(&dev->oss.dma, PCI_DMA_FROMDEVICE, - (dev->oss.bufsize + PAGE_SIZE) >> PAGE_SHIFT); + 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; @@ -83,26 +96,26 @@ static int dsp_buffer_init(struct saa7134_dev *dev) static int dsp_buffer_free(struct saa7134_dev *dev) { - if (!dev->oss.blksize) + if (!dev->dmasound.blksize) BUG(); - videobuf_dma_free(&dev->oss.dma); - dev->oss.blocks = 0; - dev->oss.blksize = 0; - dev->oss.bufsize = 0; + 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); } @@ -113,18 +126,18 @@ static int dsp_rec_start(struct saa7134_dev *dev) unsigned long flags; /* prepare buffer */ - if (0 != (err = videobuf_dma_pci_map(dev->pci,&dev->oss.dma))) + if (0 != (err = videobuf_dma_pci_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: @@ -136,14 +149,14 @@ static int dsp_rec_start(struct saa7134_dev *dev) 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; @@ -151,58 +164,58 @@ static int dsp_rec_start(struct saa7134_dev *dev) 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 - 1) & 0x0000ff)); - saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->oss.blksize - 1) & 0x00ff00) >> 8); - saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->oss.blksize - 1) & 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_dma_pci_unmap(dev->pci,&dev->dmasound.dma); return err; } @@ -210,17 +223,17 @@ static int dsp_rec_stop(struct saa7134_dev *dev) { 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_dma_pci_unmap(dev->pci,&dev->dmasound.dma); return 0; } @@ -235,35 +248,35 @@ static int dsp_open(struct inode *inode, struct file *file) 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); + down(&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); + up(&dev->dmasound.lock); return 0; fail2: - dev->oss.users_dsp--; + dev->dmasound.users_dsp--; fail1: - up(&dev->oss.lock); + up(&dev->dmasound.lock); return err; } @@ -271,13 +284,13 @@ static int dsp_release(struct inode *inode, struct file *file) { struct saa7134_dev *dev = file->private_data; - down(&dev->oss.lock); - if (dev->oss.recording_on) + down(&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); + up(&dev->dmasound.lock); return 0; } @@ -290,12 +303,12 @@ static ssize_t dsp_read(struct file *file, char __user *buffer, 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); + down(&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) @@ -303,8 +316,8 @@ static ssize_t dsp_read(struct file *file, char __user *buffer, 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); @@ -315,12 +328,12 @@ static ssize_t dsp_read(struct file *file, char __user *buffer, ret = -EAGAIN; break; } - up(&dev->oss.lock); + up(&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); + down(&dev->dmasound.lock); if (signal_pending(current)) { if (0 == ret) ret = -EINTR; @@ -330,12 +343,12 @@ static ssize_t dsp_read(struct file *file, char __user *buffer, /* 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; @@ -344,13 +357,13 @@ static ssize_t dsp_read(struct file *file, char __user *buffer, 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); + up(&dev->dmasound.lock); + remove_wait_queue(&dev->dmasound.wq, &wait); return ret; } @@ -368,55 +381,55 @@ static int dsp_ioctl(struct inode *inode, struct file *file, int __user *p = argp; int val = 0; - if (oss_debug > 1) + if (debug > 1) saa7134_print_ioctl(dev->name,cmd); - switch (cmd) { - case OSS_GETVERSION: - return put_user(SOUND_VERSION, p); - case SNDCTL_DSP_GETCAPS: + 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) { + down(&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); + up(&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) { + down(&dev->dmasound.lock); + dev->dmasound.channels = val; + if (dev->dmasound.recording_on) { dsp_rec_stop(dev); dsp_rec_start(dev); } - up(&dev->oss.lock); + up(&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) { @@ -429,20 +442,20 @@ static int dsp_ioctl(struct inode *inode, struct file *file, 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) { + down(&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); + up(&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); @@ -455,23 +468,23 @@ static int dsp_ioctl(struct inode *inode, struct file *file, 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: + down(&dev->dmasound.lock); + if (dev->dmasound.recording_on) dsp_rec_stop(dev); - up(&dev->oss.lock); + up(&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 */ @@ -479,16 +492,16 @@ static int dsp_ioctl(struct inode *inode, struct file *file, 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; @@ -504,13 +517,13 @@ static unsigned int dsp_poll(struct file *file, struct poll_table_struct *wait) 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) { + down(&dev->dmasound.lock); + if (!dev->dmasound.recording_on) dsp_rec_start(dev); - up(&dev->oss.lock); + up(&dev->dmasound.lock); } else mask |= (POLLIN | POLLRDNORM); return mask; @@ -534,7 +547,7 @@ mixer_recsrc_7134(struct saa7134_dev *dev) { 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); @@ -542,8 +555,8 @@ mixer_recsrc_7134(struct saa7134_dev *dev) 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); @@ -559,10 +572,10 @@ mixer_recsrc_7133(struct saa7134_dev *dev) xbarin = 0x03; // adc anabar = 0; - switch (dev->oss.input) { + switch (dev->dmasound.input) { case TV: xbarin = 0; // Demodulator - anabar = 2; // DACs + anabar = 2; // DACs break; case LINE1: anabar = 0; // aux1, aux1 @@ -585,9 +598,9 @@ mixer_recsrc(struct saa7134_dev *dev, enum saa7134_audio_in src) { 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: @@ -639,7 +652,7 @@ static int mixer_open(struct inode *inode, struct file *file) 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) @@ -664,30 +677,30 @@ static int mixer_ioctl(struct inode *inode, struct file *file, void __user *argp = (void __user *) arg; int __user *p = argp; - if (oss_debug > 1) + if (debug > 1) saa7134_print_ioctl(dev->name,cmd); - switch (cmd) { - case OSS_GETVERSION: - return put_user(SOUND_VERSION, p); + 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): @@ -697,26 +710,26 @@ static int mixer_ioctl(struct inode *inode, struct file *file, 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; @@ -726,7 +739,7 @@ static int mixer_ioctl(struct inode *inode, struct file *file, 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); @@ -735,22 +748,22 @@ static int mixer_ioctl(struct inode *inode, struct file *file, 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; @@ -767,11 +780,44 @@ struct file_operations saa7134_mixer_fops = { /* ------------------------------------------------------------------ */ +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); + init_MUTEX(&dev->dmasound.lock); + init_waitqueue_head(&dev->dmasound.wq); switch (dev->pci->device) { case PCI_DEVICE_ID_PHILIPS_SAA7133: @@ -783,17 +829,17 @@ int saa7134_oss_init1(struct saa7134_dev *dev) } /* 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; } @@ -809,7 +855,7 @@ void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status) 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; } @@ -817,11 +863,11 @@ void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status) 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 (1 == (dev->oss.dma_blk & 0x01)) + if (1 == (dev->dmasound.dma_blk & 0x01)) reg = SAA7134_RS_BA2(6); } if (0 == reg) { @@ -829,30 +875,137 @@ void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status) (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; + + 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"); + + dmasound_init = oss_device_init; + dmasound_exit = oss_device_exit; + + 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); + } + + printk(KERN_INFO "saa7134 OSS driver for DMA sound unloaded\n"); + + return; +} + +module_init(saa7134_oss_init); +module_exit(saa7134_oss_exit); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); + /* ----------------------------------------------------------- */ /* * Local variables: |