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-rw-r--r--drivers/sound/vidc_audio.c314
1 files changed, 0 insertions, 314 deletions
diff --git a/drivers/sound/vidc_audio.c b/drivers/sound/vidc_audio.c
deleted file mode 100644
index 3a1f162fb..000000000
--- a/drivers/sound/vidc_audio.c
+++ /dev/null
@@ -1,314 +0,0 @@
-/*
- * drivers/sound/vidc_audio.c
- *
- * Audio routines for the VIDC
- *
- * Copyright (C) 1997 Russell King <rmk@arm.uk.linux.org>
- */
-
-#include <asm/hardware.h>
-#include <asm/io.h>
-#include <asm/system.h>
-#include <asm/iomd.h>
-
-#include "sound_config.h"
-#include "vidc.h"
-
-/*
- * VIDC sound
- *
- * When using SERIAL SOUND mode (external DAC), the number of physical
- * channels is fixed at 2. Therefore, the sample rate = vidc sample rate.
- */
-
-static int vidc_adev;
-
-static int vidc_audio_volume;
-static int vidc_audio_rate;
-static char vidc_audio_format;
-static char vidc_audio_channels;
-
-extern void vidc_update_filler(int bits, int channels);
-
-int vidc_audio_get_volume(void)
-{
- return vidc_audio_volume;
-}
-
-int vidc_audio_set_volume(int newvol)
-{
- vidc_audio_volume = newvol;
- return vidc_audio_volume;
-}
-
-static int vidc_audio_set_bits(int fmt)
-{
- switch (fmt)
- {
- case AFMT_QUERY:
- break;
- case AFMT_U8:
- case AFMT_S8:
- case AFMT_S16_LE:
- vidc_audio_format = fmt;
- vidc_update_filler(vidc_audio_format, vidc_audio_channels);
- break;
- default:
- vidc_audio_format = AFMT_S16_LE;
- vidc_update_filler(vidc_audio_format, vidc_audio_channels);
- break;
- }
- return vidc_audio_format;
-}
-
-static int vidc_audio_set_rate(int rate)
-{
- if (rate)
- {
- int newsize, new2size;
-
- vidc_audio_rate = ((500000 / rate) + 1) >> 1;
- if (vidc_audio_rate < 3)
- vidc_audio_rate = 3;
- if (vidc_audio_rate > 255)
- vidc_audio_rate = 255;
- outl((vidc_audio_rate - 2) | 0xb0000000, IO_VIDC_BASE);
- outl(0xb1000003, IO_VIDC_BASE);
- newsize = (10000 / vidc_audio_rate) & ~3;
- if (newsize < 208)
- newsize = 208;
- if (newsize > 4096)
- newsize = 4096;
- for (new2size = 128; new2size < newsize; new2size <<= 1);
- if (new2size - newsize > newsize - (new2size >> 1))
- new2size >>= 1;
- dma_bufsize = new2size;
- }
- return 250000 / vidc_audio_rate;
-}
-
-static int vidc_audio_set_channels(int channels)
-{
- switch (channels)
- {
- case 0:
- break;
- case 1:
- case 2:
- vidc_audio_channels = channels;
- vidc_update_filler(vidc_audio_format, vidc_audio_channels);
- break;
- default:
- vidc_audio_channels = 2;
- vidc_update_filler(vidc_audio_format, vidc_audio_channels);
- break;
- }
- return vidc_audio_channels;
-}
-
-/*
- * Open the device
- *
- * dev - device
- * mode - mode to open device (logical OR of OPEN_READ and OPEN_WRITE)
- *
- * Called when opening the DMAbuf (dmabuf.c:259)
- */
-static int vidc_audio_open(int dev, int mode)
-{
- if (vidc_busy)
- return -EBUSY;
-
- if ((mode & OPEN_READ) && (!mode & OPEN_WRITE))
- {
- /* This audio device doesn't have recording capability */
- return -EIO;
- }
- vidc_busy = 1;
- return 0;
-}
-
-/*
- * Close the device
- *
- * dev - device
- *
- * Called when closing the DMAbuf (dmabuf.c:477)
- * after halt_xfer
- */
-static void vidc_audio_close(int dev)
-{
- vidc_busy = 0;
-}
-
-static int vidc_audio_ioctl(int dev, unsigned int cmd, caddr_t arg)
-{
- int ret;
-
- switch (cmd)
- {
- case SOUND_PCM_WRITE_RATE:
- if (get_user(ret, (int *) arg))
- return -EFAULT;
- ret = vidc_audio_set_rate(ret);
- break;
-
- case SOUND_PCM_READ_RATE:
- ret = vidc_audio_set_rate(0);
- break;
-
- case SNDCTL_DSP_STEREO:
- if (get_user(ret, (int *) arg))
- return -EFAULT;
- ret = vidc_audio_set_channels(ret + 1) - 1;
- break;
-
- case SOUND_PCM_WRITE_CHANNELS:
- if (get_user(ret, (int *) arg))
- return -EFAULT;
- ret = vidc_audio_set_channels(ret);
- break;
-
- case SOUND_PCM_READ_CHANNELS:
- ret = vidc_audio_set_channels(0);
- break;
-
- case SNDCTL_DSP_SETFMT:
- if (get_user(ret, (int *) arg))
- return -EFAULT;
- ret = vidc_audio_set_bits(ret);
- break;
-
- case SOUND_PCM_READ_BITS:
- ret = vidc_audio_set_bits(0);
- break;
-
- case SOUND_PCM_WRITE_FILTER:
- case SOUND_PCM_READ_FILTER:
- return -EINVAL;
-
- default:
- return -EINVAL;
- }
- return put_user(ret, (int *) arg);
-}
-
-/*
- * Output a block via DMA to sound device
- *
- * dev - device number
- * buf - physical address of buffer
- * total_count - total byte count in buffer
- * intrflag - set if this has been called from an interrupt (via DMAbuf_outputintr)
- * restart_dma - set if DMA needs to be re-initialised
- *
- * Called when:
- * 1. Starting output (dmabuf.c:1327)
- * 2. (dmabuf.c:1504)
- * 3. A new buffer needs to be sent to the device (dmabuf.c:1579)
- */
-static void vidc_audio_output_block(int dev, unsigned long buf, int total_count,
- int intrflag)
-{
- struct audio_operations *adev = audio_devs[dev];
- struct dma_buffparms *dmap = adev->dmap_out;
-
- dma_start = buf - (unsigned long)dmap->raw_buf_phys + (unsigned long)dmap->raw_buf;
- dma_count = total_count;
-
- if (!(adev->flags & DMA_ACTIVE))
- {
- unsigned long flags;
- save_flags_cli(flags);
-
- vidc_sound_dma_irq(0, NULL, NULL);
- outb(DMA_CR_E | 0x10, IOMD_SD0CR);
-
- restore_flags(flags);
- }
-}
-
-static void vidc_audio_start_input(int dev, unsigned long buf, int count,
- int intrflag)
-{
-}
-
-static int vidc_audio_prepare_for_input(int dev, int bsize, int bcount)
-{
- return -EINVAL;
-}
-
-static void vidc_audio_dma_interrupt(void)
-{
- DMAbuf_outputintr(vidc_adev, 1);
-}
-
-/*
- * Prepare for outputting samples to `dev'
- *
- * Each buffer that will be passed will be `bsize' bytes long,
- * with a total of `bcount' buffers.
- *
- * Called when:
- * 1. A trigger enables audio output (dmabuf.c:978)
- * 2. We get a write buffer without dma_mode setup (dmabuf.c:1152)
- * 3. We restart a transfer (dmabuf.c:1324)
- */
-static int vidc_audio_prepare_for_output(int dev, int bsize, int bcount)
-{
- audio_devs[dev]->dmap_out->flags |= DMA_NODMA;
- dma_interrupt = vidc_audio_dma_interrupt;
- return 0;
-}
-
-/*
- * Stop our current operation.
- */
-static void vidc_audio_reset(int dev)
-{
- /* stop interrupts. Our real interrupt routine
- * will close DMA down for us
- */
- dma_interrupt = NULL;
-}
-
-static int vidc_audio_local_qlen(int dev)
-{
- return /*dma_count !=*/ 0;
-}
-
-static struct audio_driver vidc_audio_driver =
-{
- vidc_audio_open, /* open */
- vidc_audio_close, /* close */
- vidc_audio_output_block, /* output_block */
- vidc_audio_start_input, /* start_input */
- vidc_audio_ioctl, /* ioctl */
- vidc_audio_prepare_for_input, /* prepare_for_input */
- vidc_audio_prepare_for_output, /* prepare_for_output */
- vidc_audio_reset, /* reset */
- vidc_audio_local_qlen, /*+local_qlen */
- NULL, /*+copy_from_user */
- NULL, /*+halt_input */
- NULL, /* halt_output */
- NULL, /*+trigger */
- NULL, /*+set_speed */
- NULL, /*+set_bits */
- NULL, /*+set_channels */
-};
-
-void vidc_audio_init(struct address_info *hw_config)
-{
- vidc_audio_volume = 100 | (100 << 8);
-
- if ((vidc_adev = sound_install_audiodrv(AUDIO_DRIVER_VERSION,
- "VIDCsound", &vidc_audio_driver,
- sizeof(struct audio_driver),
- DMA_AUTOMODE, AFMT_U8 | AFMT_S8 | AFMT_S16_LE,
- NULL, hw_config->dma, hw_config->dma2)) >= 0)
- {
- audio_devs[vidc_adev]->min_fragment = 10; /* 1024 bytes => 64 buffers */
- audio_devs[vidc_adev]->mixer_dev = num_mixers;
- }
- else printk(KERN_ERR "VIDCsound: Too many PCM devices available\n");
-}
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