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authorAdrian Bunk <bunk@kernel.org>2008-02-06 01:36:36 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-06 10:41:02 -0800
commit83bad1d764b836a482b88e0a1f44d7a5c3e1fee0 (patch)
tree2fe0844d81a178ab51c22f41accef9b332ea86b6 /sound/oss/btaudio.c
parentFAT: Fix printk format strings (diff)
downloadlinux-dev-83bad1d764b836a482b88e0a1f44d7a5c3e1fee0.tar.xz
linux-dev-83bad1d764b836a482b88e0a1f44d7a5c3e1fee0.zip
scheduled OSS driver removal
This patch contains the scheduled removal of OSS drivers whose config options have been removed in 2.6.23. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'sound/oss/btaudio.c')
-rw-r--r--sound/oss/btaudio.c1139
1 files changed, 0 insertions, 1139 deletions
diff --git a/sound/oss/btaudio.c b/sound/oss/btaudio.c
deleted file mode 100644
index 4d5cf05b8922..000000000000
--- a/sound/oss/btaudio.c
+++ /dev/null
@@ -1,1139 +0,0 @@
-/*
- btaudio - bt878 audio dma driver for linux 2.4.x
-
- (c) 2000-2002 Gerd Knorr <kraxel@bytesex.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
- 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/errno.h>
-#include <linux/pci.h>
-#include <linux/sched.h>
-#include <linux/signal.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/poll.h>
-#include <linux/sound.h>
-#include <linux/soundcard.h>
-#include <linux/slab.h>
-#include <linux/kdev_t.h>
-#include <linux/mutex.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
-
-
-/* mmio access */
-#define btwrite(dat,adr) writel((dat), (bta->mmio+(adr)))
-#define btread(adr) readl(bta->mmio+(adr))
-
-#define btand(dat,adr) btwrite((dat) & btread(adr), adr)
-#define btor(dat,adr) btwrite((dat) | btread(adr), adr)
-#define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr)
-
-/* registers (shifted because bta->mmio is long) */
-#define REG_INT_STAT (0x100 >> 2)
-#define REG_INT_MASK (0x104 >> 2)
-#define REG_GPIO_DMA_CTL (0x10c >> 2)
-#define REG_PACKET_LEN (0x110 >> 2)
-#define REG_RISC_STRT_ADD (0x114 >> 2)
-#define REG_RISC_COUNT (0x120 >> 2)
-
-/* IRQ bits - REG_INT_(STAT|MASK) */
-#define IRQ_SCERR (1 << 19)
-#define IRQ_OCERR (1 << 18)
-#define IRQ_PABORT (1 << 17)
-#define IRQ_RIPERR (1 << 16)
-#define IRQ_PPERR (1 << 15)
-#define IRQ_FDSR (1 << 14)
-#define IRQ_FTRGT (1 << 13)
-#define IRQ_FBUS (1 << 12)
-#define IRQ_RISCI (1 << 11)
-#define IRQ_OFLOW (1 << 3)
-
-#define IRQ_BTAUDIO (IRQ_SCERR | IRQ_OCERR | IRQ_PABORT | IRQ_RIPERR |\
- IRQ_PPERR | IRQ_FDSR | IRQ_FTRGT | IRQ_FBUS |\
- IRQ_RISCI)
-
-/* REG_GPIO_DMA_CTL bits */
-#define DMA_CTL_A_PWRDN (1 << 26)
-#define DMA_CTL_DA_SBR (1 << 14)
-#define DMA_CTL_DA_ES2 (1 << 13)
-#define DMA_CTL_ACAP_EN (1 << 4)
-#define DMA_CTL_RISC_EN (1 << 1)
-#define DMA_CTL_FIFO_EN (1 << 0)
-
-/* RISC instructions */
-#define RISC_WRITE (0x01 << 28)
-#define RISC_JUMP (0x07 << 28)
-#define RISC_SYNC (0x08 << 28)
-
-/* RISC bits */
-#define RISC_WR_SOL (1 << 27)
-#define RISC_WR_EOL (1 << 26)
-#define RISC_IRQ (1 << 24)
-#define RISC_SYNC_RESYNC (1 << 15)
-#define RISC_SYNC_FM1 0x06
-#define RISC_SYNC_VRO 0x0c
-
-#define HWBASE_AD (448000)
-
-/* -------------------------------------------------------------- */
-
-struct btaudio {
- /* linked list */
- struct btaudio *next;
-
- /* device info */
- int dsp_digital;
- int dsp_analog;
- int mixer_dev;
- struct pci_dev *pci;
- unsigned int irq;
- unsigned long mem;
- unsigned long __iomem *mmio;
-
- /* locking */
- int users;
- struct mutex lock;
-
- /* risc instructions */
- unsigned int risc_size;
- unsigned long *risc_cpu;
- dma_addr_t risc_dma;
-
- /* audio data */
- unsigned int buf_size;
- unsigned char *buf_cpu;
- dma_addr_t buf_dma;
-
- /* buffer setup */
- int line_bytes;
- int line_count;
- int block_bytes;
- int block_count;
-
- /* read fifo management */
- int recording;
- int dma_block;
- int read_offset;
- int read_count;
- wait_queue_head_t readq;
-
- /* settings */
- int gain[3];
- int source;
- int bits;
- int decimation;
- int mixcount;
- int sampleshift;
- int channels;
- int analog;
- int rate;
-};
-
-struct cardinfo {
- char *name;
- int rate;
-};
-
-static struct btaudio *btaudios;
-static unsigned int debug;
-static unsigned int irq_debug;
-
-/* -------------------------------------------------------------- */
-
-#define BUF_DEFAULT 128*1024
-#define BUF_MIN 8192
-
-static int alloc_buffer(struct btaudio *bta)
-{
- if (NULL == bta->buf_cpu) {
- for (bta->buf_size = BUF_DEFAULT; bta->buf_size >= BUF_MIN;
- bta->buf_size = bta->buf_size >> 1) {
- bta->buf_cpu = pci_alloc_consistent
- (bta->pci, bta->buf_size, &bta->buf_dma);
- if (NULL != bta->buf_cpu)
- break;
- }
- if (NULL == bta->buf_cpu)
- return -ENOMEM;
- memset(bta->buf_cpu,0,bta->buf_size);
- }
- if (NULL == bta->risc_cpu) {
- bta->risc_size = PAGE_SIZE;
- bta->risc_cpu = pci_alloc_consistent
- (bta->pci, bta->risc_size, &bta->risc_dma);
- if (NULL == bta->risc_cpu) {
- pci_free_consistent(bta->pci, bta->buf_size, bta->buf_cpu, bta->buf_dma);
- bta->buf_cpu = NULL;
- return -ENOMEM;
- }
- }
- return 0;
-}
-
-static void free_buffer(struct btaudio *bta)
-{
- if (NULL != bta->buf_cpu) {
- pci_free_consistent(bta->pci, bta->buf_size,
- bta->buf_cpu, bta->buf_dma);
- bta->buf_cpu = NULL;
- }
- if (NULL != bta->risc_cpu) {
- pci_free_consistent(bta->pci, bta->risc_size,
- bta->risc_cpu, bta->risc_dma);
- bta->risc_cpu = NULL;
- }
-}
-
-static int make_risc(struct btaudio *bta)
-{
- int rp, bp, line, block;
- unsigned long risc;
-
- bta->block_bytes = bta->buf_size >> 4;
- bta->block_count = 1 << 4;
- bta->line_bytes = bta->block_bytes;
- bta->line_count = bta->block_count;
- while (bta->line_bytes > 4095) {
- bta->line_bytes >>= 1;
- bta->line_count <<= 1;
- }
- if (bta->line_count > 255)
- return -EINVAL;
- if (debug)
- printk(KERN_DEBUG
- "btaudio: bufsize=%d - bs=%d bc=%d - ls=%d, lc=%d\n",
- bta->buf_size,bta->block_bytes,bta->block_count,
- bta->line_bytes,bta->line_count);
- rp = 0; bp = 0;
- block = 0;
- bta->risc_cpu[rp++] = cpu_to_le32(RISC_SYNC|RISC_SYNC_FM1);
- bta->risc_cpu[rp++] = cpu_to_le32(0);
- for (line = 0; line < bta->line_count; line++) {
- risc = RISC_WRITE | RISC_WR_SOL | RISC_WR_EOL;
- risc |= bta->line_bytes;
- if (0 == (bp & (bta->block_bytes-1))) {
- risc |= RISC_IRQ;
- risc |= (block & 0x0f) << 16;
- risc |= (~block & 0x0f) << 20;
- block++;
- }
- bta->risc_cpu[rp++] = cpu_to_le32(risc);
- bta->risc_cpu[rp++] = cpu_to_le32(bta->buf_dma + bp);
- bp += bta->line_bytes;
- }
- bta->risc_cpu[rp++] = cpu_to_le32(RISC_SYNC|RISC_SYNC_VRO);
- bta->risc_cpu[rp++] = cpu_to_le32(0);
- bta->risc_cpu[rp++] = cpu_to_le32(RISC_JUMP);
- bta->risc_cpu[rp++] = cpu_to_le32(bta->risc_dma);
- return 0;
-}
-
-static int start_recording(struct btaudio *bta)
-{
- int ret;
-
- if (0 != (ret = alloc_buffer(bta)))
- return ret;
- if (0 != (ret = make_risc(bta)))
- return ret;
-
- btwrite(bta->risc_dma, REG_RISC_STRT_ADD);
- btwrite((bta->line_count << 16) | bta->line_bytes,
- REG_PACKET_LEN);
- btwrite(IRQ_BTAUDIO, REG_INT_MASK);
- if (bta->analog) {
- btwrite(DMA_CTL_ACAP_EN |
- DMA_CTL_RISC_EN |
- DMA_CTL_FIFO_EN |
- DMA_CTL_DA_ES2 |
- ((bta->bits == 8) ? DMA_CTL_DA_SBR : 0) |
- (bta->gain[bta->source] << 28) |
- (bta->source << 24) |
- (bta->decimation << 8),
- REG_GPIO_DMA_CTL);
- } else {
- btwrite(DMA_CTL_ACAP_EN |
- DMA_CTL_RISC_EN |
- DMA_CTL_FIFO_EN |
- DMA_CTL_DA_ES2 |
- DMA_CTL_A_PWRDN |
- (1 << 6) |
- ((bta->bits == 8) ? DMA_CTL_DA_SBR : 0) |
- (bta->gain[bta->source] << 28) |
- (bta->source << 24) |
- (bta->decimation << 8),
- REG_GPIO_DMA_CTL);
- }
- bta->dma_block = 0;
- bta->read_offset = 0;
- bta->read_count = 0;
- bta->recording = 1;
- if (debug)
- printk(KERN_DEBUG "btaudio: recording started\n");
- return 0;
-}
-
-static void stop_recording(struct btaudio *bta)
-{
- btand(~15, REG_GPIO_DMA_CTL);
- bta->recording = 0;
- if (debug)
- printk(KERN_DEBUG "btaudio: recording stopped\n");
-}
-
-
-/* -------------------------------------------------------------- */
-
-static int btaudio_mixer_open(struct inode *inode, struct file *file)
-{
- int minor = iminor(inode);
- struct btaudio *bta;
-
- for (bta = btaudios; bta != NULL; bta = bta->next)
- if (bta->mixer_dev == minor)
- break;
- if (NULL == bta)
- return -ENODEV;
-
- if (debug)
- printk("btaudio: open mixer [%d]\n",minor);
- file->private_data = bta;
- return 0;
-}
-
-static int btaudio_mixer_release(struct inode *inode, struct file *file)
-{
- return 0;
-}
-
-static int btaudio_mixer_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- struct btaudio *bta = file->private_data;
- int ret,val=0,i=0;
- void __user *argp = (void __user *)arg;
-
- if (cmd == SOUND_MIXER_INFO) {
- mixer_info info;
- memset(&info,0,sizeof(info));
- strlcpy(info.id,"bt878",sizeof(info.id));
- strlcpy(info.name,"Brooktree Bt878 audio",sizeof(info.name));
- info.modify_counter = bta->mixcount;
- if (copy_to_user(argp, &info, sizeof(info)))
- return -EFAULT;
- return 0;
- }
- if (cmd == SOUND_OLD_MIXER_INFO) {
- _old_mixer_info info;
- memset(&info,0,sizeof(info));
- strlcpy(info.id, "bt878", sizeof(info.id));
- strlcpy(info.name,"Brooktree Bt878 audio",sizeof(info.name));
- if (copy_to_user(argp, &info, sizeof(info)))
- return -EFAULT;
- return 0;
- }
- if (cmd == OSS_GETVERSION)
- return put_user(SOUND_VERSION, (int __user *)argp);
-
- /* read */
- if (_SIOC_DIR(cmd) & _SIOC_WRITE)
- if (get_user(val, (int __user *)argp))
- return -EFAULT;
-
- switch (cmd) {
- case MIXER_READ(SOUND_MIXER_CAPS):
- ret = SOUND_CAP_EXCL_INPUT;
- break;
- case MIXER_READ(SOUND_MIXER_STEREODEVS):
- ret = 0;
- break;
- case MIXER_READ(SOUND_MIXER_RECMASK):
- case MIXER_READ(SOUND_MIXER_DEVMASK):
- ret = SOUND_MASK_LINE1|SOUND_MASK_LINE2|SOUND_MASK_LINE3;
- break;
-
- case MIXER_WRITE(SOUND_MIXER_RECSRC):
- if (val & SOUND_MASK_LINE1 && bta->source != 0)
- bta->source = 0;
- else if (val & SOUND_MASK_LINE2 && bta->source != 1)
- bta->source = 1;
- else if (val & SOUND_MASK_LINE3 && bta->source != 2)
- bta->source = 2;
- btaor((bta->gain[bta->source] << 28) |
- (bta->source << 24),
- 0x0cffffff, REG_GPIO_DMA_CTL);
- case MIXER_READ(SOUND_MIXER_RECSRC):
- switch (bta->source) {
- case 0: ret = SOUND_MASK_LINE1; break;
- case 1: ret = SOUND_MASK_LINE2; break;
- case 2: ret = SOUND_MASK_LINE3; break;
- default: ret = 0;
- }
- break;
-
- case MIXER_WRITE(SOUND_MIXER_LINE1):
- case MIXER_WRITE(SOUND_MIXER_LINE2):
- case MIXER_WRITE(SOUND_MIXER_LINE3):
- if (MIXER_WRITE(SOUND_MIXER_LINE1) == cmd)
- i = 0;
- if (MIXER_WRITE(SOUND_MIXER_LINE2) == cmd)
- i = 1;
- if (MIXER_WRITE(SOUND_MIXER_LINE3) == cmd)
- i = 2;
- bta->gain[i] = (val & 0xff) * 15 / 100;
- if (bta->gain[i] > 15) bta->gain[i] = 15;
- if (bta->gain[i] < 0) bta->gain[i] = 0;
- if (i == bta->source)
- btaor((bta->gain[bta->source]<<28),
- 0x0fffffff, REG_GPIO_DMA_CTL);
- ret = bta->gain[i] * 100 / 15;
- ret |= ret << 8;
- break;
-
- case MIXER_READ(SOUND_MIXER_LINE1):
- case MIXER_READ(SOUND_MIXER_LINE2):
- case MIXER_READ(SOUND_MIXER_LINE3):
- if (MIXER_READ(SOUND_MIXER_LINE1) == cmd)
- i = 0;
- if (MIXER_READ(SOUND_MIXER_LINE2) == cmd)
- i = 1;
- if (MIXER_READ(SOUND_MIXER_LINE3) == cmd)
- i = 2;
- ret = bta->gain[i] * 100 / 15;
- ret |= ret << 8;
- break;
-
- default:
- return -EINVAL;
- }
- if (put_user(ret, (int __user *)argp))
- return -EFAULT;
- return 0;
-}
-
-static const struct file_operations btaudio_mixer_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .open = btaudio_mixer_open,
- .release = btaudio_mixer_release,
- .ioctl = btaudio_mixer_ioctl,
-};
-
-/* -------------------------------------------------------------- */
-
-static int btaudio_dsp_open(struct inode *inode, struct file *file,
- struct btaudio *bta, int analog)
-{
- mutex_lock(&bta->lock);
- if (bta->users)
- goto busy;
- bta->users++;
- file->private_data = bta;
-
- bta->analog = analog;
- bta->dma_block = 0;
- bta->read_offset = 0;
- bta->read_count = 0;
- bta->sampleshift = 0;
-
- mutex_unlock(&bta->lock);
- return 0;
-
- busy:
- mutex_unlock(&bta->lock);
- return -EBUSY;
-}
-
-static int btaudio_dsp_open_digital(struct inode *inode, struct file *file)
-{
- int minor = iminor(inode);
- struct btaudio *bta;
-
- for (bta = btaudios; bta != NULL; bta = bta->next)
- if (bta->dsp_digital == minor)
- break;
- if (NULL == bta)
- return -ENODEV;
-
- if (debug)
- printk("btaudio: open digital dsp [%d]\n",minor);
- return btaudio_dsp_open(inode,file,bta,0);
-}
-
-static int btaudio_dsp_open_analog(struct inode *inode, struct file *file)
-{
- int minor = iminor(inode);
- struct btaudio *bta;
-
- for (bta = btaudios; bta != NULL; bta = bta->next)
- if (bta->dsp_analog == minor)
- break;
- if (NULL == bta)
- return -ENODEV;
-
- if (debug)
- printk("btaudio: open analog dsp [%d]\n",minor);
- return btaudio_dsp_open(inode,file,bta,1);
-}
-
-static int btaudio_dsp_release(struct inode *inode, struct file *file)
-{
- struct btaudio *bta = file->private_data;
-
- mutex_lock(&bta->lock);
- if (bta->recording)
- stop_recording(bta);
- bta->users--;
- mutex_unlock(&bta->lock);
- return 0;
-}
-
-static ssize_t btaudio_dsp_read(struct file *file, char __user *buffer,
- size_t swcount, loff_t *ppos)
-{
- struct btaudio *bta = file->private_data;
- int hwcount = swcount << bta->sampleshift;
- int nsrc, ndst, err, ret = 0;
- DECLARE_WAITQUEUE(wait, current);
-
- add_wait_queue(&bta->readq, &wait);
- mutex_lock(&bta->lock);
- while (swcount > 0) {
- if (0 == bta->read_count) {
- if (!bta->recording) {
- if (0 != (err = start_recording(bta))) {
- if (0 == ret)
- ret = err;
- break;
- }
- }
- if (file->f_flags & O_NONBLOCK) {
- if (0 == ret)
- ret = -EAGAIN;
- break;
- }
- mutex_unlock(&bta->lock);
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- mutex_lock(&bta->lock);
- if(signal_pending(current)) {
- if (0 == ret)
- ret = -EINTR;
- break;
- }
- }
- nsrc = (bta->read_count < hwcount) ? bta->read_count : hwcount;
- if (nsrc > bta->buf_size - bta->read_offset)
- nsrc = bta->buf_size - bta->read_offset;
- ndst = nsrc >> bta->sampleshift;
-
- if ((bta->analog && 0 == bta->sampleshift) ||
- (!bta->analog && 2 == bta->channels)) {
- /* just copy */
- if (copy_to_user(buffer + ret, bta->buf_cpu + bta->read_offset, nsrc)) {
- if (0 == ret)
- ret = -EFAULT;
- break;
- }
-
- } else if (!bta->analog) {
- /* stereo => mono (digital audio) */
- __s16 *src = (__s16*)(bta->buf_cpu + bta->read_offset);
- __s16 __user *dst = (__s16 __user *)(buffer + ret);
- __s16 avg;
- int n = ndst>>1;
- if (!access_ok(VERIFY_WRITE, dst, ndst)) {
- if (0 == ret)
- ret = -EFAULT;
- break;
- }
- for (; n; n--, dst++) {
- avg = (__s16)le16_to_cpu(*src) / 2; src++;
- avg += (__s16)le16_to_cpu(*src) / 2; src++;
- __put_user(cpu_to_le16(avg),dst);
- }
-
- } else if (8 == bta->bits) {
- /* copy + byte downsampling (audio A/D) */
- __u8 *src = bta->buf_cpu + bta->read_offset;
- __u8 __user *dst = buffer + ret;
- int n = ndst;
- if (!access_ok(VERIFY_WRITE, dst, ndst)) {
- if (0 == ret)
- ret = -EFAULT;
- break;
- }
- for (; n; n--, src += (1 << bta->sampleshift), dst++)
- __put_user(*src, dst);
-
- } else {
- /* copy + word downsampling (audio A/D) */
- __u16 *src = (__u16*)(bta->buf_cpu + bta->read_offset);
- __u16 __user *dst = (__u16 __user *)(buffer + ret);
- int n = ndst>>1;
- if (!access_ok(VERIFY_WRITE,dst,ndst)) {
- if (0 == ret)
- ret = -EFAULT;
- break;
- }
- for (; n; n--, src += (1 << bta->sampleshift), dst++)
- __put_user(*src, dst);
- }
-
- ret += ndst;
- swcount -= ndst;
- hwcount -= nsrc;
- bta->read_count -= nsrc;
- bta->read_offset += nsrc;
- if (bta->read_offset == bta->buf_size)
- bta->read_offset = 0;
- }
- mutex_unlock(&bta->lock);
- remove_wait_queue(&bta->readq, &wait);
- current->state = TASK_RUNNING;
- return ret;
-}
-
-static ssize_t btaudio_dsp_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
-{
- return -EINVAL;
-}
-
-static int btaudio_dsp_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- struct btaudio *bta = file->private_data;
- int s, i, ret, val = 0;
- void __user *argp = (void __user *)arg;
- int __user *p = argp;
-
- switch (cmd) {
- case OSS_GETVERSION:
- return put_user(SOUND_VERSION, p);
- case SNDCTL_DSP_GETCAPS:
- return 0;
-
- case SNDCTL_DSP_SPEED:
- if (get_user(val, p))
- return -EFAULT;
- if (bta->analog) {
- for (s = 0; s < 16; s++)
- if (val << s >= HWBASE_AD*4/15)
- break;
- for (i = 15; i >= 5; i--)
- if (val << s <= HWBASE_AD*4/i)
- break;
- bta->sampleshift = s;
- bta->decimation = i;
- if (debug)
- printk(KERN_DEBUG "btaudio: rate: req=%d "
- "dec=%d shift=%d hwrate=%d swrate=%d\n",
- val,i,s,(HWBASE_AD*4/i),(HWBASE_AD*4/i)>>s);
- } else {
- bta->sampleshift = (bta->channels == 2) ? 0 : 1;
- bta->decimation = 0;
- }
- if (bta->recording) {
- mutex_lock(&bta->lock);
- stop_recording(bta);
- start_recording(bta);
- mutex_unlock(&bta->lock);
- }
- /* fall through */
- case SOUND_PCM_READ_RATE:
- if (bta->analog) {
- return put_user(HWBASE_AD*4/bta->decimation>>bta->sampleshift, p);
- } else {
- return put_user(bta->rate, p);
- }
-
- case SNDCTL_DSP_STEREO:
- if (!bta->analog) {
- if (get_user(val, p))
- return -EFAULT;
- bta->channels = (val > 0) ? 2 : 1;
- bta->sampleshift = (bta->channels == 2) ? 0 : 1;
- if (debug)
- printk(KERN_INFO
- "btaudio: stereo=%d channels=%d\n",
- val,bta->channels);
- } else {
- if (val == 1)
- return -EFAULT;
- else {
- bta->channels = 1;
- if (debug)
- printk(KERN_INFO
- "btaudio: stereo=0 channels=1\n");
- }
- }
- return put_user((bta->channels)-1, p);
-
- case SNDCTL_DSP_CHANNELS:
- if (!bta->analog) {
- if (get_user(val, p))
- return -EFAULT;
- bta->channels = (val > 1) ? 2 : 1;
- bta->sampleshift = (bta->channels == 2) ? 0 : 1;
- if (debug)
- printk(KERN_DEBUG
- "btaudio: val=%d channels=%d\n",
- val,bta->channels);
- }
- /* fall through */
- case SOUND_PCM_READ_CHANNELS:
- return put_user(bta->channels, p);
-
- case SNDCTL_DSP_GETFMTS: /* Returns a mask */
- if (bta->analog)
- return put_user(AFMT_S16_LE|AFMT_S8, p);
- else
- return put_user(AFMT_S16_LE, p);
-
- case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/
- if (get_user(val, p))
- return -EFAULT;
- if (val != AFMT_QUERY) {
- if (bta->analog)
- bta->bits = (val == AFMT_S8) ? 8 : 16;
- else
- bta->bits = 16;
- if (bta->recording) {
- mutex_lock(&bta->lock);
- stop_recording(bta);
- start_recording(bta);
- mutex_unlock(&bta->lock);
- }
- }
- if (debug)
- printk(KERN_DEBUG "btaudio: fmt: bits=%d\n",bta->bits);
- return put_user((bta->bits==16) ? AFMT_S16_LE : AFMT_S8,
- p);
- break;
- case SOUND_PCM_READ_BITS:
- return put_user(bta->bits, p);
-
- case SNDCTL_DSP_NONBLOCK:
- file->f_flags |= O_NONBLOCK;
- return 0;
-
- case SNDCTL_DSP_RESET:
- if (bta->recording) {
- mutex_lock(&bta->lock);
- stop_recording(bta);
- mutex_unlock(&bta->lock);
- }
- return 0;
- case SNDCTL_DSP_GETBLKSIZE:
- if (!bta->recording) {
- if (0 != (ret = alloc_buffer(bta)))
- return ret;
- if (0 != (ret = make_risc(bta)))
- return ret;
- }
- return put_user(bta->block_bytes>>bta->sampleshift,p);
-
- case SNDCTL_DSP_SYNC:
- /* NOP */
- return 0;
- case SNDCTL_DSP_GETISPACE:
- {
- audio_buf_info info;
- if (!bta->recording)
- return -EINVAL;
- info.fragsize = bta->block_bytes>>bta->sampleshift;
- info.fragstotal = bta->block_count;
- info.bytes = bta->read_count;
- info.fragments = info.bytes / info.fragsize;
- if (debug)
- printk(KERN_DEBUG "btaudio: SNDCTL_DSP_GETISPACE "
- "returns %d/%d/%d/%d\n",
- info.fragsize, info.fragstotal,
- info.bytes, info.fragments);
- if (copy_to_user(argp, &info, sizeof(info)))
- return -EFAULT;
- return 0;
- }
-#if 0 /* TODO */
- case SNDCTL_DSP_GETTRIGGER:
- case SNDCTL_DSP_SETTRIGGER:
- case SNDCTL_DSP_SETFRAGMENT:
-#endif
- default:
- return -EINVAL;
- }
-}
-
-static unsigned int btaudio_dsp_poll(struct file *file, struct poll_table_struct *wait)
-{
- struct btaudio *bta = file->private_data;
- unsigned int mask = 0;
-
- poll_wait(file, &bta->readq, wait);
-
- if (0 != bta->read_count)
- mask |= (POLLIN | POLLRDNORM);
-
- return mask;
-}
-
-static const struct file_operations btaudio_digital_dsp_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .open = btaudio_dsp_open_digital,
- .release = btaudio_dsp_release,
- .read = btaudio_dsp_read,
- .write = btaudio_dsp_write,
- .ioctl = btaudio_dsp_ioctl,
- .poll = btaudio_dsp_poll,
-};
-
-static const struct file_operations btaudio_analog_dsp_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .open = btaudio_dsp_open_analog,
- .release = btaudio_dsp_release,
- .read = btaudio_dsp_read,
- .write = btaudio_dsp_write,
- .ioctl = btaudio_dsp_ioctl,
- .poll = btaudio_dsp_poll,
-};
-
-/* -------------------------------------------------------------- */
-
-static char *irq_name[] = { "", "", "", "OFLOW", "", "", "", "", "", "", "",
- "RISCI", "FBUS", "FTRGT", "FDSR", "PPERR",
- "RIPERR", "PABORT", "OCERR", "SCERR" };
-
-static irqreturn_t btaudio_irq(int irq, void *dev_id)
-{
- int count = 0;
- u32 stat,astat;
- struct btaudio *bta = dev_id;
- int handled = 0;
-
- for (;;) {
- count++;
- stat = btread(REG_INT_STAT);
- astat = stat & btread(REG_INT_MASK);
- if (!astat)
- return IRQ_RETVAL(handled);
- handled = 1;
- btwrite(astat,REG_INT_STAT);
-
- if (irq_debug) {
- int i;
- printk(KERN_DEBUG "btaudio: irq loop=%d risc=%x, bits:",
- count, stat>>28);
- for (i = 0; i < (sizeof(irq_name)/sizeof(char*)); i++) {
- if (stat & (1 << i))
- printk(" %s",irq_name[i]);
- if (astat & (1 << i))
- printk("*");
- }
- printk("\n");
- }
- if (stat & IRQ_RISCI) {
- int blocks;
- blocks = (stat >> 28) - bta->dma_block;
- if (blocks < 0)
- blocks += bta->block_count;
- bta->dma_block = stat >> 28;
- if (bta->read_count + 2*bta->block_bytes > bta->buf_size) {
- stop_recording(bta);
- printk(KERN_INFO "btaudio: buffer overrun\n");
- }
- if (blocks > 0) {
- bta->read_count += blocks * bta->block_bytes;
- wake_up_interruptible(&bta->readq);
- }
- }
- if (count > 10) {
- printk(KERN_WARNING
- "btaudio: Oops - irq mask cleared\n");
- btwrite(0, REG_INT_MASK);
- }
- }
- return IRQ_NONE;
-}
-
-/* -------------------------------------------------------------- */
-
-static unsigned int dsp1 = -1;
-static unsigned int dsp2 = -1;
-static unsigned int mixer = -1;
-static int latency = -1;
-static int digital = 1;
-static int analog = 1;
-static int rate;
-
-#define BTA_OSPREY200 1
-
-static struct cardinfo cards[] = {
- [0] = {
- .name = "default",
- .rate = 32000,
- },
- [BTA_OSPREY200] = {
- .name = "Osprey 200",
- .rate = 44100,
- },
-};
-
-static int __devinit btaudio_probe(struct pci_dev *pci_dev,
- const struct pci_device_id *pci_id)
-{
- struct btaudio *bta;
- struct cardinfo *card = &cards[pci_id->driver_data];
- unsigned char revision,lat;
- int rc = -EBUSY;
-
- if (pci_enable_device(pci_dev))
- return -EIO;
- if (!request_mem_region(pci_resource_start(pci_dev,0),
- pci_resource_len(pci_dev,0),
- "btaudio")) {
- return -EBUSY;
- }
-
- bta = kzalloc(sizeof(*bta),GFP_ATOMIC);
- if (!bta) {
- rc = -ENOMEM;
- goto fail0;
- }
-
- bta->pci = pci_dev;
- bta->irq = pci_dev->irq;
- bta->mem = pci_resource_start(pci_dev,0);
- bta->mmio = ioremap(pci_resource_start(pci_dev,0),
- pci_resource_len(pci_dev,0));
-
- bta->source = 1;
- bta->bits = 8;
- bta->channels = 1;
- if (bta->analog) {
- bta->decimation = 15;
- } else {
- bta->decimation = 0;
- bta->sampleshift = 1;
- }
-
- /* sample rate */
- bta->rate = card->rate;
- if (rate)
- bta->rate = rate;
-
- mutex_init(&bta->lock);
- init_waitqueue_head(&bta->readq);
-
- if (-1 != latency) {
- printk(KERN_INFO "btaudio: setting pci latency timer to %d\n",
- latency);
- pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
- }
- pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &revision);
- pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &lat);
- printk(KERN_INFO "btaudio: Bt%x (rev %d) at %02x:%02x.%x, ",
- pci_dev->device,revision,pci_dev->bus->number,
- PCI_SLOT(pci_dev->devfn),PCI_FUNC(pci_dev->devfn));
- printk("irq: %d, latency: %d, mmio: 0x%lx\n",
- bta->irq, lat, bta->mem);
- printk("btaudio: using card config \"%s\"\n", card->name);
-
- /* init hw */
- btwrite(0, REG_GPIO_DMA_CTL);
- btwrite(0, REG_INT_MASK);
- btwrite(~0U, REG_INT_STAT);
- pci_set_master(pci_dev);
-
- if ((rc = request_irq(bta->irq, btaudio_irq, IRQF_SHARED|IRQF_DISABLED,
- "btaudio",(void *)bta)) < 0) {
- printk(KERN_WARNING
- "btaudio: can't request irq (rc=%d)\n",rc);
- goto fail1;
- }
-
- /* register devices */
- if (digital) {
- rc = bta->dsp_digital =
- register_sound_dsp(&btaudio_digital_dsp_fops,dsp1);
- if (rc < 0) {
- printk(KERN_WARNING
- "btaudio: can't register digital dsp (rc=%d)\n",rc);
- goto fail2;
- }
- printk(KERN_INFO "btaudio: registered device dsp%d [digital]\n",
- bta->dsp_digital >> 4);
- }
- if (analog) {
- rc = bta->dsp_analog =
- register_sound_dsp(&btaudio_analog_dsp_fops,dsp2);
- if (rc < 0) {
- printk(KERN_WARNING
- "btaudio: can't register analog dsp (rc=%d)\n",rc);
- goto fail3;
- }
- printk(KERN_INFO "btaudio: registered device dsp%d [analog]\n",
- bta->dsp_analog >> 4);
- rc = bta->mixer_dev = register_sound_mixer(&btaudio_mixer_fops,mixer);
- if (rc < 0) {
- printk(KERN_WARNING
- "btaudio: can't register mixer (rc=%d)\n",rc);
- goto fail4;
- }
- printk(KERN_INFO "btaudio: registered device mixer%d\n",
- bta->mixer_dev >> 4);
- }
-
- /* hook into linked list */
- bta->next = btaudios;
- btaudios = bta;
-
- pci_set_drvdata(pci_dev,bta);
- return 0;
-
- fail4:
- unregister_sound_dsp(bta->dsp_analog);
- fail3:
- if (digital)
- unregister_sound_dsp(bta->dsp_digital);
- fail2:
- free_irq(bta->irq,bta);
- fail1:
- iounmap(bta->mmio);
- kfree(bta);
- fail0:
- release_mem_region(pci_resource_start(pci_dev,0),
- pci_resource_len(pci_dev,0));
- return rc;
-}
-
-static void __devexit btaudio_remove(struct pci_dev *pci_dev)
-{
- struct btaudio *bta = pci_get_drvdata(pci_dev);
- struct btaudio *walk;
-
- /* turn off all DMA / IRQs */
- btand(~15, REG_GPIO_DMA_CTL);
- btwrite(0, REG_INT_MASK);
- btwrite(~0U, REG_INT_STAT);
-
- /* unregister devices */
- if (digital) {
- unregister_sound_dsp(bta->dsp_digital);
- }
- if (analog) {
- unregister_sound_dsp(bta->dsp_analog);
- unregister_sound_mixer(bta->mixer_dev);
- }
-
- /* free resources */
- free_buffer(bta);
- free_irq(bta->irq,bta);
- release_mem_region(pci_resource_start(pci_dev,0),
- pci_resource_len(pci_dev,0));
- iounmap(bta->mmio);
-
- /* remove from linked list */
- if (bta == btaudios) {
- btaudios = NULL;
- } else {
- for (walk = btaudios; walk->next != bta; walk = walk->next)
- ; /* if (NULL == walk->next) BUG(); */
- walk->next = bta->next;
- }
-
- pci_set_drvdata(pci_dev, NULL);
- kfree(bta);
- return;
-}
-
-/* -------------------------------------------------------------- */
-
-static struct pci_device_id btaudio_pci_tbl[] = {
- {
- .vendor = PCI_VENDOR_ID_BROOKTREE,
- .device = 0x0878,
- .subvendor = 0x0070,
- .subdevice = 0xff01,
- .driver_data = BTA_OSPREY200,
- },{
- .vendor = PCI_VENDOR_ID_BROOKTREE,
- .device = 0x0878,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },{
- .vendor = PCI_VENDOR_ID_BROOKTREE,
- .device = 0x0878,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },{
- /* --- end of list --- */
- }
-};
-
-static struct pci_driver btaudio_pci_driver = {
- .name = "btaudio",
- .id_table = btaudio_pci_tbl,
- .probe = btaudio_probe,
- .remove = __devexit_p(btaudio_remove),
-};
-
-static int btaudio_init_module(void)
-{
- printk(KERN_INFO "btaudio: driver version 0.7 loaded [%s%s%s]\n",
- digital ? "digital" : "",
- analog && digital ? "+" : "",
- analog ? "analog" : "");
- return pci_register_driver(&btaudio_pci_driver);
-}
-
-static void btaudio_cleanup_module(void)
-{
- pci_unregister_driver(&btaudio_pci_driver);
- return;
-}
-
-module_init(btaudio_init_module);
-module_exit(btaudio_cleanup_module);
-
-module_param(dsp1, int, S_IRUGO);
-module_param(dsp2, int, S_IRUGO);
-module_param(mixer, int, S_IRUGO);
-module_param(debug, int, S_IRUGO | S_IWUSR);
-module_param(irq_debug, int, S_IRUGO | S_IWUSR);
-module_param(digital, int, S_IRUGO);
-module_param(analog, int, S_IRUGO);
-module_param(rate, int, S_IRUGO);
-module_param(latency, int, S_IRUGO);
-MODULE_PARM_DESC(latency,"pci latency timer");
-
-MODULE_DEVICE_TABLE(pci, btaudio_pci_tbl);
-MODULE_DESCRIPTION("bt878 audio dma driver");
-MODULE_AUTHOR("Gerd Knorr");
-MODULE_LICENSE("GPL");
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */