- 根目录:
- sound
- pci
- ad1889.c
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/compiler.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/initval.h>
#include <sound/ac97_codec.h>
#include <asm/io.h>
#include "ad1889.h"
#include "ac97/ac97_id.h"
#define AD1889_DRVVER "Version: 1.7"
MODULE_AUTHOR("Kyle McMartin <kyle@parisc-linux.org>, Thibaut Varene <t-bone@parisc-linux.org>");
MODULE_DESCRIPTION("Analog Devices AD1889 ALSA sound driver");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1889}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the AD1889 soundcard.");
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for the AD1889 soundcard.");
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable AD1889 soundcard.");
static char *ac97_quirk[SNDRV_CARDS];
module_param_array(ac97_quirk, charp, NULL, 0444);
MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
#define DEVNAME "ad1889"
#define PFX DEVNAME ": "
#define ad1889_debug(fmt, arg...) snd_printd(KERN_DEBUG fmt, ## arg)
struct ad1889_register_state {
u16 reg;
u32 addr;
unsigned long size;
};
struct snd_ad1889 {
struct snd_card *card;
struct pci_dev *pci;
int irq;
unsigned long bar;
void __iomem *iobase;
struct snd_ac97 *ac97;
struct snd_ac97_bus *ac97_bus;
struct snd_pcm *pcm;
struct snd_info_entry *proc;
struct snd_pcm_substream *psubs;
struct snd_pcm_substream *csubs;
struct ad1889_register_state wave;
struct ad1889_register_state ramc;
spinlock_t lock;
};
static inline u16
ad1889_readw(struct snd_ad1889 *chip, unsigned reg)
{
return readw(chip->iobase + reg);
}
static inline void
ad1889_writew(struct snd_ad1889 *chip, unsigned reg, u16 val)
{
writew(val, chip->iobase + reg);
}
static inline u32
ad1889_readl(struct snd_ad1889 *chip, unsigned reg)
{
return readl(chip->iobase + reg);
}
static inline void
ad1889_writel(struct snd_ad1889 *chip, unsigned reg, u32 val)
{
writel(val, chip->iobase + reg);
}
static inline void
ad1889_unmute(struct snd_ad1889 *chip)
{
u16 st;
st = ad1889_readw(chip, AD_DS_WADA) &
~(AD_DS_WADA_RWAM | AD_DS_WADA_LWAM);
ad1889_writew(chip, AD_DS_WADA, st);
ad1889_readw(chip, AD_DS_WADA);
}
static inline void
ad1889_mute(struct snd_ad1889 *chip)
{
u16 st;
st = ad1889_readw(chip, AD_DS_WADA) | AD_DS_WADA_RWAM | AD_DS_WADA_LWAM;
ad1889_writew(chip, AD_DS_WADA, st);
ad1889_readw(chip, AD_DS_WADA);
}
static inline void
ad1889_load_adc_buffer_address(struct snd_ad1889 *chip, u32 address)
{
ad1889_writel(chip, AD_DMA_ADCBA, address);
ad1889_writel(chip, AD_DMA_ADCCA, address);
}
static inline void
ad1889_load_adc_buffer_count(struct snd_ad1889 *chip, u32 count)
{
ad1889_writel(chip, AD_DMA_ADCBC, count);
ad1889_writel(chip, AD_DMA_ADCCC, count);
}
static inline void
ad1889_load_adc_interrupt_count(struct snd_ad1889 *chip, u32 count)
{
ad1889_writel(chip, AD_DMA_ADCIB, count);
ad1889_writel(chip, AD_DMA_ADCIC, count);
}
static inline void
ad1889_load_wave_buffer_address(struct snd_ad1889 *chip, u32 address)
{
ad1889_writel(chip, AD_DMA_WAVBA, address);
ad1889_writel(chip, AD_DMA_WAVCA, address);
}
static inline void
ad1889_load_wave_buffer_count(struct snd_ad1889 *chip, u32 count)
{
ad1889_writel(chip, AD_DMA_WAVBC, count);
ad1889_writel(chip, AD_DMA_WAVCC, count);
}
static inline void
ad1889_load_wave_interrupt_count(struct snd_ad1889 *chip, u32 count)
{
ad1889_writel(chip, AD_DMA_WAVIB, count);
ad1889_writel(chip, AD_DMA_WAVIC, count);
}
static void
ad1889_channel_reset(struct snd_ad1889 *chip, unsigned int channel)
{
u16 reg;
if (channel & AD_CHAN_WAV) {
reg = ad1889_readw(chip, AD_DS_WSMC) & ~AD_DS_WSMC_WAEN;
ad1889_writew(chip, AD_DS_WSMC, reg);
chip->wave.reg = reg;
reg = ad1889_readw(chip, AD_DMA_WAV);
reg &= AD_DMA_IM_DIS;
reg &= ~AD_DMA_LOOP;
ad1889_writew(chip, AD_DMA_WAV, reg);
ad1889_load_wave_buffer_address(chip, 0x0);
ad1889_load_wave_buffer_count(chip, 0x0);
ad1889_load_wave_interrupt_count(chip, 0x0);
ad1889_readw(chip, AD_DMA_WAV);
}
if (channel & AD_CHAN_ADC) {
reg = ad1889_readw(chip, AD_DS_RAMC) & ~AD_DS_RAMC_ADEN;
ad1889_writew(chip, AD_DS_RAMC, reg);
chip->ramc.reg = reg;
reg = ad1889_readw(chip, AD_DMA_ADC);
reg &= AD_DMA_IM_DIS;
reg &= ~AD_DMA_LOOP;
ad1889_writew(chip, AD_DMA_ADC, reg);
ad1889_load_adc_buffer_address(chip, 0x0);
ad1889_load_adc_buffer_count(chip, 0x0);
ad1889_load_adc_interrupt_count(chip, 0x0);
ad1889_readw(chip, AD_DMA_ADC);
}
}
static u16
snd_ad1889_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
{
struct snd_ad1889 *chip = ac97->private_data;
return ad1889_readw(chip, AD_AC97_BASE + reg);
}
static void
snd_ad1889_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
{
struct snd_ad1889 *chip = ac97->private_data;
ad1889_writew(chip, AD_AC97_BASE + reg, val);
}
static int
snd_ad1889_ac97_ready(struct snd_ad1889 *chip)
{
int retry = 400;
while (!(ad1889_readw(chip, AD_AC97_ACIC) & AD_AC97_ACIC_ACRDY)
&& --retry)
mdelay(1);
if (!retry) {
snd_printk(KERN_ERR PFX "[%s] Link is not ready.\n",
__func__);
return -EIO;
}
ad1889_debug("[%s] ready after %d ms\n", __func__, 400 - retry);
return 0;
}
static int
snd_ad1889_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
return snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
}
static int
snd_ad1889_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
static struct snd_pcm_hardware snd_ad1889_playback_hw = {
.info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BLOCK_TRANSFER,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
.rate_min = 8000,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = BUFFER_BYTES_MAX,
.period_bytes_min = PERIOD_BYTES_MIN,
.period_bytes_max = PERIOD_BYTES_MAX,
.periods_min = PERIODS_MIN,
.periods_max = PERIODS_MAX,
};
static struct snd_pcm_hardware snd_ad1889_capture_hw = {
.info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BLOCK_TRANSFER,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = BUFFER_BYTES_MAX,
.period_bytes_min = PERIOD_BYTES_MIN,
.period_bytes_max = PERIOD_BYTES_MAX,
.periods_min = PERIODS_MIN,
.periods_max = PERIODS_MAX,
};
static int
snd_ad1889_playback_open(struct snd_pcm_substream *ss)
{
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
struct snd_pcm_runtime *rt = ss->runtime;
chip->psubs = ss;
rt->hw = snd_ad1889_playback_hw;
return 0;
}
static int
snd_ad1889_capture_open(struct snd_pcm_substream *ss)
{
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
struct snd_pcm_runtime *rt = ss->runtime;
chip->csubs = ss;
rt->hw = snd_ad1889_capture_hw;
return 0;
}
static int
snd_ad1889_playback_close(struct snd_pcm_substream *ss)
{
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
chip->psubs = NULL;
return 0;
}
static int
snd_ad1889_capture_close(struct snd_pcm_substream *ss)
{
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
chip->csubs = NULL;
return 0;
}
static int
snd_ad1889_playback_prepare(struct snd_pcm_substream *ss)
{
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
struct snd_pcm_runtime *rt = ss->runtime;
unsigned int size = snd_pcm_lib_buffer_bytes(ss);
unsigned int count = snd_pcm_lib_period_bytes(ss);
u16 reg;
ad1889_channel_reset(chip, AD_CHAN_WAV);
reg = ad1889_readw(chip, AD_DS_WSMC);
reg &= ~(AD_DS_WSMC_WA16 | AD_DS_WSMC_WAST);
if (snd_pcm_format_width(rt->format) == 16)
reg |= AD_DS_WSMC_WA16;
if (rt->channels > 1)
reg |= AD_DS_WSMC_WAST;
spin_lock_irq(&chip->lock);
chip->wave.size = size;
chip->wave.reg = reg;
chip->wave.addr = rt->dma_addr;
ad1889_writew(chip, AD_DS_WSMC, chip->wave.reg);
ad1889_writew(chip, AD_DS_WAS, rt->rate);
ad1889_load_wave_buffer_address(chip, chip->wave.addr);
ad1889_load_wave_buffer_count(chip, size);
ad1889_load_wave_interrupt_count(chip, count);
ad1889_readw(chip, AD_DS_WSMC);
spin_unlock_irq(&chip->lock);
ad1889_debug("prepare playback: addr = 0x%x, count = %u, "
"size = %u, reg = 0x%x, rate = %u\n", chip->wave.addr,
count, size, reg, rt->rate);
return 0;
}
static int
snd_ad1889_capture_prepare(struct snd_pcm_substream *ss)
{
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
struct snd_pcm_runtime *rt = ss->runtime;
unsigned int size = snd_pcm_lib_buffer_bytes(ss);
unsigned int count = snd_pcm_lib_period_bytes(ss);
u16 reg;
ad1889_channel_reset(chip, AD_CHAN_ADC);
reg = ad1889_readw(chip, AD_DS_RAMC);
reg &= ~(AD_DS_RAMC_AD16 | AD_DS_RAMC_ADST);
if (snd_pcm_format_width(rt->format) == 16)
reg |= AD_DS_RAMC_AD16;
if (rt->channels > 1)
reg |= AD_DS_RAMC_ADST;
spin_lock_irq(&chip->lock);
chip->ramc.size = size;
chip->ramc.reg = reg;
chip->ramc.addr = rt->dma_addr;
ad1889_writew(chip, AD_DS_RAMC, chip->ramc.reg);
ad1889_load_adc_buffer_address(chip, chip->ramc.addr);
ad1889_load_adc_buffer_count(chip, size);
ad1889_load_adc_interrupt_count(chip, count);
ad1889_readw(chip, AD_DS_RAMC);
spin_unlock_irq(&chip->lock);
ad1889_debug("prepare capture: addr = 0x%x, count = %u, "
"size = %u, reg = 0x%x, rate = %u\n", chip->ramc.addr,
count, size, reg, rt->rate);
return 0;
}
static int
snd_ad1889_playback_trigger(struct snd_pcm_substream *ss, int cmd)
{
u16 wsmc;
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
wsmc = ad1889_readw(chip, AD_DS_WSMC);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
ad1889_writew(chip, AD_DMA_WAV, AD_DMA_LOOP | AD_DMA_IM_CNT);
wsmc |= AD_DS_WSMC_WAEN;
ad1889_writel(chip, AD_DMA_CHSS, AD_DMA_CHSS_WAVS);
ad1889_unmute(chip);
break;
case SNDRV_PCM_TRIGGER_STOP:
ad1889_mute(chip);
wsmc &= ~AD_DS_WSMC_WAEN;
break;
default:
snd_BUG();
return -EINVAL;
}
chip->wave.reg = wsmc;
ad1889_writew(chip, AD_DS_WSMC, wsmc);
ad1889_readw(chip, AD_DS_WSMC);
if (cmd == SNDRV_PCM_TRIGGER_STOP)
ad1889_channel_reset(chip, AD_CHAN_WAV);
return 0;
}
static int
snd_ad1889_capture_trigger(struct snd_pcm_substream *ss, int cmd)
{
u16 ramc;
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
ramc = ad1889_readw(chip, AD_DS_RAMC);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
ad1889_writew(chip, AD_DMA_ADC, AD_DMA_LOOP | AD_DMA_IM_CNT);
ramc |= AD_DS_RAMC_ADEN;
ad1889_writel(chip, AD_DMA_CHSS, AD_DMA_CHSS_ADCS);
break;
case SNDRV_PCM_TRIGGER_STOP:
ramc &= ~AD_DS_RAMC_ADEN;
break;
default:
return -EINVAL;
}
chip->ramc.reg = ramc;
ad1889_writew(chip, AD_DS_RAMC, ramc);
ad1889_readw(chip, AD_DS_RAMC);
if (cmd == SNDRV_PCM_TRIGGER_STOP)
ad1889_channel_reset(chip, AD_CHAN_ADC);
return 0;
}
static snd_pcm_uframes_t
snd_ad1889_playback_pointer(struct snd_pcm_substream *ss)
{
size_t ptr = 0;
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
if (unlikely(!(chip->wave.reg & AD_DS_WSMC_WAEN)))
return 0;
ptr = ad1889_readl(chip, AD_DMA_WAVCA);
ptr -= chip->wave.addr;
if (snd_BUG_ON(ptr >= chip->wave.size))
return 0;
return bytes_to_frames(ss->runtime, ptr);
}
static snd_pcm_uframes_t
snd_ad1889_capture_pointer(struct snd_pcm_substream *ss)
{
size_t ptr = 0;
struct snd_ad1889 *chip = snd_pcm_substream_chip(ss);
if (unlikely(!(chip->ramc.reg & AD_DS_RAMC_ADEN)))
return 0;
ptr = ad1889_readl(chip, AD_DMA_ADCCA);
ptr -= chip->ramc.addr;
if (snd_BUG_ON(ptr >= chip->ramc.size))
return 0;
return bytes_to_frames(ss->runtime, ptr);
}
static struct snd_pcm_ops snd_ad1889_playback_ops = {
.open = snd_ad1889_playback_open,
.close = snd_ad1889_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_ad1889_hw_params,
.hw_free = snd_ad1889_hw_free,
.prepare = snd_ad1889_playback_prepare,
.trigger = snd_ad1889_playback_trigger,
.pointer = snd_ad1889_playback_pointer,
};
static struct snd_pcm_ops snd_ad1889_capture_ops = {
.open = snd_ad1889_capture_open,
.close = snd_ad1889_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_ad1889_hw_params,
.hw_free = snd_ad1889_hw_free,
.prepare = snd_ad1889_capture_prepare,
.trigger = snd_ad1889_capture_trigger,
.pointer = snd_ad1889_capture_pointer,
};
static irqreturn_t
snd_ad1889_interrupt(int irq, void *dev_id)
{
unsigned long st;
struct snd_ad1889 *chip = dev_id;
st = ad1889_readl(chip, AD_DMA_DISR);
ad1889_writel(chip, AD_DMA_DISR, st);
st &= AD_INTR_MASK;
if (unlikely(!st))
return IRQ_NONE;
if (st & (AD_DMA_DISR_PMAI|AD_DMA_DISR_PTAI))
ad1889_debug("Unexpected master or target abort interrupt!\n");
if ((st & AD_DMA_DISR_WAVI) && chip->psubs)
snd_pcm_period_elapsed(chip->psubs);
if ((st & AD_DMA_DISR_ADCI) && chip->csubs)
snd_pcm_period_elapsed(chip->csubs);
return IRQ_HANDLED;
}
static int __devinit
snd_ad1889_pcm_init(struct snd_ad1889 *chip, int device, struct snd_pcm **rpcm)
{
int err;
struct snd_pcm *pcm;
if (rpcm)
*rpcm = NULL;
err = snd_pcm_new(chip->card, chip->card->driver, device, 1, 1, &pcm);
if (err < 0)
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&snd_ad1889_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&snd_ad1889_capture_ops);
pcm->private_data = chip;
pcm->info_flags = 0;
strcpy(pcm->name, chip->card->shortname);
chip->pcm = pcm;
chip->psubs = NULL;
chip->csubs = NULL;
err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
BUFFER_BYTES_MAX / 2,
BUFFER_BYTES_MAX);
if (err < 0) {
snd_printk(KERN_ERR PFX "buffer allocation error: %d\n", err);
return err;
}
if (rpcm)
*rpcm = pcm;
return 0;
}
static void
snd_ad1889_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_ad1889 *chip = entry->private_data;
u16 reg;
int tmp;
reg = ad1889_readw(chip, AD_DS_WSMC);
snd_iprintf(buffer, "Wave output: %s\n",
(reg & AD_DS_WSMC_WAEN) ? "enabled" : "disabled");
snd_iprintf(buffer, "Wave Channels: %s\n",
(reg & AD_DS_WSMC_WAST) ? "stereo" : "mono");
snd_iprintf(buffer, "Wave Quality: %d-bit linear\n",
(reg & AD_DS_WSMC_WA16) ? 16 : 8);
tmp = (reg & AD_DS_WSMC_WARQ) ?
(((reg & AD_DS_WSMC_WARQ >> 12) & 0x01) ? 12 : 18) : 4;
tmp /= (reg & AD_DS_WSMC_WAST) ? 2 : 1;
snd_iprintf(buffer, "Wave FIFO: %d %s words\n\n", tmp,
(reg & AD_DS_WSMC_WAST) ? "stereo" : "mono");
snd_iprintf(buffer, "Synthesis output: %s\n",
reg & AD_DS_WSMC_SYEN ? "enabled" : "disabled");
tmp = (reg & AD_DS_WSMC_SYRQ) ?
(((reg & AD_DS_WSMC_SYRQ >> 4) & 0x01) ? 12 : 18) : 4;
tmp /= (reg & AD_DS_WSMC_WAST) ? 2 : 1;
snd_iprintf(buffer, "Synthesis FIFO: %d %s words\n\n", tmp,
(reg & AD_DS_WSMC_WAST) ? "stereo" : "mono");
reg = ad1889_readw(chip, AD_DS_RAMC);
snd_iprintf(buffer, "ADC input: %s\n",
(reg & AD_DS_RAMC_ADEN) ? "enabled" : "disabled");
snd_iprintf(buffer, "ADC Channels: %s\n",
(reg & AD_DS_RAMC_ADST) ? "stereo" : "mono");
snd_iprintf(buffer, "ADC Quality: %d-bit linear\n",
(reg & AD_DS_RAMC_AD16) ? 16 : 8);
tmp = (reg & AD_DS_RAMC_ACRQ) ?
(((reg & AD_DS_RAMC_ACRQ >> 4) & 0x01) ? 12 : 18) : 4;
tmp /= (reg & AD_DS_RAMC_ADST) ? 2 : 1;
snd_iprintf(buffer, "ADC FIFO: %d %s words\n\n", tmp,
(reg & AD_DS_RAMC_ADST) ? "stereo" : "mono");
snd_iprintf(buffer, "Resampler input: %s\n",
reg & AD_DS_RAMC_REEN ? "enabled" : "disabled");
tmp = (reg & AD_DS_RAMC_RERQ) ?
(((reg & AD_DS_RAMC_RERQ >> 12) & 0x01) ? 12 : 18) : 4;
tmp /= (reg & AD_DS_RAMC_ADST) ? 2 : 1;
snd_iprintf(buffer, "Resampler FIFO: %d %s words\n\n", tmp,
(reg & AD_DS_WSMC_WAST) ? "stereo" : "mono");
reg = ad1889_readw(chip, AD_DS_WADA);
snd_iprintf(buffer, "Left: %s, -%d dB\n",
(reg & AD_DS_WADA_LWAM) ? "mute" : "unmute",
((reg & AD_DS_WADA_LWAA) >> 8) * 3);
reg = ad1889_readw(chip, AD_DS_WADA);
snd_iprintf(buffer, "Right: %s, -%d dB\n",
(reg & AD_DS_WADA_RWAM) ? "mute" : "unmute",
((reg & AD_DS_WADA_RWAA) >> 8) * 3);
reg = ad1889_readw(chip, AD_DS_WAS);
snd_iprintf(buffer, "Wave samplerate: %u Hz\n", reg);
reg = ad1889_readw(chip, AD_DS_RES);
snd_iprintf(buffer, "Resampler samplerate: %u Hz\n", reg);
}
static void __devinit
snd_ad1889_proc_init(struct snd_ad1889 *chip)
{
struct snd_info_entry *entry;
if (!snd_card_proc_new(chip->card, chip->card->driver, &entry))
snd_info_set_text_ops(entry, chip, snd_ad1889_proc_read);
}
static struct ac97_quirk ac97_quirks[] = {
{
.subvendor = 0x11d4,
.subdevice = 0x1889,
.codec_id = AC97_ID_AD1819,
.name = "AD1889",
.type = AC97_TUNE_HP_ONLY
},
{ }
};
static void __devinit
snd_ad1889_ac97_xinit(struct snd_ad1889 *chip)
{
u16 reg;
reg = ad1889_readw(chip, AD_AC97_ACIC);
reg |= AD_AC97_ACIC_ACRD;
ad1889_writew(chip, AD_AC97_ACIC, reg);
ad1889_readw(chip, AD_AC97_ACIC);
udelay(10);
reg |= AD_AC97_ACIC_ACIE;
ad1889_writew(chip, AD_AC97_ACIC, reg);
snd_ad1889_ac97_ready(chip);
reg = ad1889_readw(chip, AD_AC97_ACIC);
reg |= AD_AC97_ACIC_ASOE | AD_AC97_ACIC_VSRM;
ad1889_writew(chip, AD_AC97_ACIC, reg);
ad1889_readw(chip, AD_AC97_ACIC);
}
static void
snd_ad1889_ac97_bus_free(struct snd_ac97_bus *bus)
{
struct snd_ad1889 *chip = bus->private_data;
chip->ac97_bus = NULL;
}
static void
snd_ad1889_ac97_free(struct snd_ac97 *ac97)
{
struct snd_ad1889 *chip = ac97->private_data;
chip->ac97 = NULL;
}
static int __devinit
snd_ad1889_ac97_init(struct snd_ad1889 *chip, const char *quirk_override)
{
int err;
struct snd_ac97_template ac97;
static struct snd_ac97_bus_ops ops = {
.write = snd_ad1889_ac97_write,
.read = snd_ad1889_ac97_read,
};
snd_ad1889_ac97_xinit(chip);
err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus);
if (err < 0)
return err;
chip->ac97_bus->private_free = snd_ad1889_ac97_bus_free;
memset(&ac97, 0, sizeof(ac97));
ac97.private_data = chip;
ac97.private_free = snd_ad1889_ac97_free;
ac97.pci = chip->pci;
err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97);
if (err < 0)
return err;
snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override);
return 0;
}
static int
snd_ad1889_free(struct snd_ad1889 *chip)
{
if (chip->irq < 0)
goto skip_hw;
spin_lock_irq(&chip->lock);
ad1889_mute(chip);
ad1889_channel_reset(chip, AD_CHAN_WAV | AD_CHAN_ADC);
ad1889_writel(chip, AD_DMA_DISR, AD_DMA_DISR_PTAI | AD_DMA_DISR_PMAI);
ad1889_readl(chip, AD_DMA_DISR);
spin_unlock_irq(&chip->lock);
if (chip->irq >= 0)
free_irq(chip->irq, chip);
skip_hw:
if (chip->iobase)
iounmap(chip->iobase);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
kfree(chip);
return 0;
}
static int
snd_ad1889_dev_free(struct snd_device *device)
{
struct snd_ad1889 *chip = device->device_data;
return snd_ad1889_free(chip);
}
static int __devinit
snd_ad1889_init(struct snd_ad1889 *chip)
{
ad1889_writew(chip, AD_DS_CCS, AD_DS_CCS_CLKEN);
ad1889_readw(chip, AD_DS_CCS);
mdelay(10);
ad1889_writel(chip, AD_DMA_DISR, AD_DMA_DISR_PMAE | AD_DMA_DISR_PTAE);
return 0;
}
static int __devinit
snd_ad1889_create(struct snd_card *card,
struct pci_dev *pci,
struct snd_ad1889 **rchip)
{
int err;
struct snd_ad1889 *chip;
static struct snd_device_ops ops = {
.dev_free = snd_ad1889_dev_free,
};
*rchip = NULL;
if ((err = pci_enable_device(pci)) < 0)
return err;
if (pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0 ||
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32)) < 0) {
printk(KERN_ERR PFX "error setting 32-bit DMA mask.\n");
pci_disable_device(pci);
return -ENXIO;
}
if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) {
pci_disable_device(pci);
return -ENOMEM;
}
chip->card = card;
card->private_data = chip;
chip->pci = pci;
chip->irq = -1;
if ((err = pci_request_regions(pci, card->driver)) < 0)
goto free_and_ret;
chip->bar = pci_resource_start(pci, 0);
chip->iobase = pci_ioremap_bar(pci, 0);
if (chip->iobase == NULL) {
printk(KERN_ERR PFX "unable to reserve region.\n");
err = -EBUSY;
goto free_and_ret;
}
pci_set_master(pci);
spin_lock_init(&chip->lock);
if (request_irq(pci->irq, snd_ad1889_interrupt,
IRQF_SHARED, KBUILD_MODNAME, chip)) {
printk(KERN_ERR PFX "cannot obtain IRQ %d\n", pci->irq);
snd_ad1889_free(chip);
return -EBUSY;
}
chip->irq = pci->irq;
synchronize_irq(chip->irq);
if ((err = snd_ad1889_init(chip)) < 0) {
snd_ad1889_free(chip);
return err;
}
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_ad1889_free(chip);
return err;
}
snd_card_set_dev(card, &pci->dev);
*rchip = chip;
return 0;
free_and_ret:
kfree(chip);
pci_disable_device(pci);
return err;
}
static int __devinit
snd_ad1889_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
int err;
static int devno;
struct snd_card *card;
struct snd_ad1889 *chip;
if (devno >= SNDRV_CARDS)
return -ENODEV;
if (!enable[devno]) {
devno++;
return -ENOENT;
}
err = snd_card_create(index[devno], id[devno], THIS_MODULE, 0, &card);
if (err < 0)
return err;
strcpy(card->driver, "AD1889");
strcpy(card->shortname, "Analog Devices AD1889");
err = snd_ad1889_create(card, pci, &chip);
if (err < 0)
goto free_and_ret;
sprintf(card->longname, "%s at 0x%lx irq %i",
card->shortname, chip->bar, chip->irq);
err = snd_ad1889_ac97_init(chip, ac97_quirk[devno]);
if (err < 0)
goto free_and_ret;
err = snd_ad1889_pcm_init(chip, 0, NULL);
if (err < 0)
goto free_and_ret;
snd_ad1889_proc_init(chip);
err = snd_card_register(card);
if (err < 0)
goto free_and_ret;
pci_set_drvdata(pci, card);
devno++;
return 0;
free_and_ret:
snd_card_free(card);
return err;
}
static void __devexit
snd_ad1889_remove(struct pci_dev *pci)
{
snd_card_free(pci_get_drvdata(pci));
pci_set_drvdata(pci, NULL);
}
static DEFINE_PCI_DEVICE_TABLE(snd_ad1889_ids) = {
{ PCI_DEVICE(PCI_VENDOR_ID_ANALOG_DEVICES, PCI_DEVICE_ID_AD1889JS) },
{ 0, },
};
MODULE_DEVICE_TABLE(pci, snd_ad1889_ids);
static struct pci_driver ad1889_pci_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_ad1889_ids,
.probe = snd_ad1889_probe,
.remove = __devexit_p(snd_ad1889_remove),
};
static int __init
alsa_ad1889_init(void)
{
return pci_register_driver(&ad1889_pci_driver);
}
static void __exit
alsa_ad1889_fini(void)
{
pci_unregister_driver(&ad1889_pci_driver);
}
module_init(alsa_ad1889_init);
module_exit(alsa_ad1889_fini);
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 88
- 89
- 90
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 99
- 100
- 101
- 102
- 103
- 104
- 105
- 106
- 107
- 108
- 109
- 110
- 111
- 112
- 113
- 114
- 115
- 116
- 117
- 118
- 119
- 120
- 121
- 122
- 123
- 124
- 125
- 126
- 127
- 128
- 129
- 130
- 131
- 132
- 133
- 134
- 135
- 136
- 137
- 138
- 139
- 140
- 141
- 142
- 143
- 144
- 145
- 146
- 147
- 148
- 149
- 150
- 151
- 152
- 153
- 154
- 155
- 156
- 157
- 158
- 159
- 160
- 161
- 162
- 163
- 164
- 165
- 166
- 167
- 168
- 169
- 170
- 171
- 172
- 173
- 174
- 175
- 176
- 177
- 178
- 179
- 180
- 181
- 182
- 183
- 184
- 185
- 186
- 187
- 188
- 189
- 190
- 191
- 192
- 193
- 194
- 195
- 196
- 197
- 198
- 199
- 200
- 201
- 202
- 203
- 204
- 205
- 206
- 207
- 208
- 209
- 210
- 211
- 212
- 213
- 214
- 215
- 216
- 217
- 218
- 219
- 220
- 221
- 222
- 223
- 224
- 225
- 226
- 227
- 228
- 229
- 230
- 231
- 232
- 233
- 234
- 235
- 236
- 237
- 238
- 239
- 240
- 241
- 242
- 243
- 244
- 245
- 246
- 247
- 248
- 249
- 250
- 251
- 252
- 253
- 254
- 255
- 256
- 257
- 258
- 259
- 260
- 261
- 262
- 263
- 264
- 265
- 266
- 267
- 268
- 269
- 270
- 271
- 272
- 273
- 274
- 275
- 276
- 277
- 278
- 279
- 280
- 281
- 282
- 283
- 284
- 285
- 286
- 287
- 288
- 289
- 290
- 291
- 292
- 293
- 294
- 295
- 296
- 297
- 298
- 299
- 300
- 301
- 302
- 303
- 304
- 305
- 306
- 307
- 308
- 309
- 310
- 311
- 312
- 313
- 314
- 315
- 316
- 317
- 318
- 319
- 320
- 321
- 322
- 323
- 324
- 325
- 326
- 327
- 328
- 329
- 330
- 331
- 332
- 333
- 334
- 335
- 336
- 337
- 338
- 339
- 340
- 341
- 342
- 343
- 344
- 345
- 346
- 347
- 348
- 349
- 350
- 351
- 352
- 353
- 354
- 355
- 356
- 357
- 358
- 359
- 360
- 361
- 362
- 363
- 364
- 365
- 366
- 367
- 368
- 369
- 370
- 371
- 372
- 373
- 374
- 375
- 376
- 377
- 378
- 379
- 380
- 381
- 382
- 383
- 384
- 385
- 386
- 387
- 388
- 389
- 390
- 391
- 392
- 393
- 394
- 395
- 396
- 397
- 398
- 399
- 400
- 401
- 402
- 403
- 404
- 405
- 406
- 407
- 408
- 409
- 410
- 411
- 412
- 413
- 414
- 415
- 416
- 417
- 418
- 419
- 420
- 421
- 422
- 423
- 424
- 425
- 426
- 427
- 428
- 429
- 430
- 431
- 432
- 433
- 434
- 435
- 436
- 437
- 438
- 439
- 440
- 441
- 442
- 443
- 444
- 445
- 446
- 447
- 448
- 449
- 450
- 451
- 452
- 453
- 454
- 455
- 456
- 457
- 458
- 459
- 460
- 461
- 462
- 463
- 464
- 465
- 466
- 467
- 468
- 469
- 470
- 471
- 472
- 473
- 474
- 475
- 476
- 477
- 478
- 479
- 480
- 481
- 482
- 483
- 484
- 485
- 486
- 487
- 488
- 489
- 490
- 491
- 492
- 493
- 494
- 495
- 496
- 497
- 498
- 499
- 500
- 501
- 502
- 503
- 504
- 505
- 506
- 507
- 508
- 509
- 510
- 511
- 512
- 513
- 514
- 515
- 516
- 517
- 518
- 519
- 520
- 521
- 522
- 523
- 524
- 525
- 526
- 527
- 528
- 529
- 530
- 531
- 532
- 533
- 534
- 535
- 536
- 537
- 538
- 539
- 540
- 541
- 542
- 543
- 544
- 545
- 546
- 547
- 548
- 549
- 550
- 551
- 552
- 553
- 554
- 555
- 556
- 557
- 558
- 559
- 560
- 561
- 562
- 563
- 564
- 565
- 566
- 567
- 568
- 569
- 570
- 571
- 572
- 573
- 574
- 575
- 576
- 577
- 578
- 579
- 580
- 581
- 582
- 583
- 584
- 585
- 586
- 587
- 588
- 589
- 590
- 591
- 592
- 593
- 594
- 595
- 596
- 597
- 598
- 599
- 600
- 601
- 602
- 603
- 604
- 605
- 606
- 607
- 608
- 609
- 610
- 611
- 612
- 613
- 614
- 615
- 616
- 617
- 618
- 619
- 620
- 621
- 622
- 623
- 624
- 625
- 626
- 627
- 628
- 629
- 630
- 631
- 632
- 633
- 634
- 635
- 636
- 637
- 638
- 639
- 640
- 641
- 642
- 643
- 644
- 645
- 646
- 647
- 648
- 649
- 650
- 651
- 652
- 653
- 654
- 655
- 656
- 657
- 658
- 659
- 660
- 661
- 662
- 663
- 664
- 665
- 666
- 667
- 668
- 669
- 670
- 671
- 672
- 673
- 674
- 675
- 676
- 677
- 678
- 679
- 680
- 681
- 682
- 683
- 684
- 685
- 686
- 687
- 688
- 689
- 690
- 691
- 692
- 693
- 694
- 695
- 696
- 697
- 698
- 699
- 700
- 701
- 702
- 703
- 704
- 705
- 706
- 707
- 708
- 709
- 710
- 711
- 712
- 713
- 714
- 715
- 716
- 717
- 718
- 719
- 720
- 721
- 722
- 723
- 724
- 725
- 726
- 727
- 728
- 729
- 730
- 731
- 732
- 733
- 734
- 735
- 736
- 737
- 738
- 739
- 740
- 741
- 742
- 743
- 744
- 745
- 746
- 747
- 748
- 749
- 750
- 751
- 752
- 753
- 754
- 755
- 756
- 757
- 758
- 759
- 760
- 761
- 762
- 763
- 764
- 765
- 766
- 767
- 768
- 769
- 770
- 771
- 772
- 773
- 774
- 775
- 776
- 777
- 778
- 779
- 780
- 781
- 782
- 783
- 784
- 785
- 786
- 787
- 788
- 789
- 790
- 791
- 792
- 793
- 794
- 795
- 796
- 797
- 798
- 799
- 800
- 801
- 802
- 803
- 804
- 805
- 806
- 807
- 808
- 809
- 810
- 811
- 812
- 813
- 814
- 815
- 816
- 817
- 818
- 819
- 820
- 821
- 822
- 823
- 824
- 825
- 826
- 827
- 828
- 829
- 830
- 831
- 832
- 833
- 834
- 835
- 836
- 837
- 838
- 839
- 840
- 841
- 842
- 843
- 844
- 845
- 846
- 847
- 848
- 849
- 850
- 851
- 852
- 853
- 854
- 855
- 856
- 857
- 858
- 859
- 860
- 861
- 862
- 863
- 864
- 865
- 866
- 867
- 868
- 869
- 870
- 871
- 872
- 873
- 874
- 875
- 876
- 877
- 878
- 879
- 880
- 881
- 882
- 883
- 884
- 885
- 886
- 887
- 888
- 889
- 890
- 891
- 892
- 893
- 894
- 895
- 896
- 897
- 898
- 899
- 900
- 901
- 902
- 903
- 904
- 905
- 906
- 907
- 908
- 909
- 910
- 911
- 912
- 913
- 914
- 915
- 916
- 917
- 918
- 919
- 920
- 921
- 922
- 923
- 924
- 925
- 926
- 927
- 928
- 929
- 930
- 931
- 932
- 933
- 934
- 935
- 936
- 937
- 938
- 939
- 940
- 941
- 942
- 943
- 944
- 945
- 946
- 947
- 948
- 949
- 950
- 951
- 952
- 953
- 954
- 955
- 956
- 957
- 958
- 959
- 960
- 961
- 962
- 963
- 964
- 965
- 966
- 967
- 968
- 969
- 970
- 971
- 972
- 973
- 974
- 975
- 976
- 977
- 978
- 979
- 980
- 981
- 982
- 983
- 984
- 985
- 986
- 987
- 988
- 989
- 990
- 991
- 992
- 993
- 994
- 995
- 996
- 997
- 998
- 999
- 1000
- 1001
- 1002
- 1003
- 1004
- 1005
- 1006
- 1007
- 1008
- 1009
- 1010
- 1011
- 1012
- 1013
- 1014
- 1015
- 1016
- 1017
- 1018
- 1019
- 1020
- 1021
- 1022
- 1023
- 1024
- 1025
- 1026
- 1027
- 1028
- 1029
- 1030
- 1031
- 1032
- 1033
- 1034
- 1035
- 1036
- 1037
- 1038
- 1039
- 1040
- 1041
- 1042
- 1043
- 1044
- 1045
- 1046
- 1047
- 1048
- 1049
- 1050
- 1051
- 1052
- 1053
- 1054
- 1055
- 1056
- 1057
- 1058
- 1059
- 1060
- 1061
- 1062
- 1063
- 1064
- 1065
- 1066
- 1067
- 1068
- 1069
- 1070
- 1071
- 1072
- 1073
- 1074
- 1075
- 1076
- 1077
- 1078