* Copyright (C) 2002 David S. Miller <davem@redhat.com>
*
* Based entirely upon drivers/sbus/audio/cs4231.c which is:
- * Copyright (C) 1996, 1997, 1998, 1998 Derrick J Brashear (shadow@andrew.cmu.edu)
+ * Copyright (C) 1996, 1997, 1998 Derrick J Brashear (shadow@andrew.cmu.edu)
* and also sound/isa/cs423x/cs4231_lib.c which is:
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
#include <sound/driver.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm_params.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-
#ifdef CONFIG_SBUS
#define SBUS_SUPPORT
#include <asm/sbus.h>
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
+/* Enable this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Sun CS4231 soundcard.");
#ifdef SBUS_SUPPORT
struct sbus_dma_info {
- spinlock_t lock;
- int dir;
- void __iomem *regs;
+ spinlock_t lock; /* DMA access lock */
+ int dir;
+ void __iomem *regs;
};
#endif
struct snd_cs4231;
struct cs4231_dma_control {
- void (*prepare)(struct cs4231_dma_control *dma_cont, int dir);
- void (*enable)(struct cs4231_dma_control *dma_cont, int on);
- int (*request)(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len);
- unsigned int (*address)(struct cs4231_dma_control *dma_cont);
- void (*preallocate)(struct snd_cs4231 *chip, struct snd_pcm *pcm);
+ void (*prepare)(struct cs4231_dma_control *dma_cont,
+ int dir);
+ void (*enable)(struct cs4231_dma_control *dma_cont, int on);
+ int (*request)(struct cs4231_dma_control *dma_cont,
+ dma_addr_t bus_addr, size_t len);
+ unsigned int (*address)(struct cs4231_dma_control *dma_cont);
+ void (*preallocate)(struct snd_cs4231 *chip,
+ struct snd_pcm *pcm);
#ifdef EBUS_SUPPORT
struct ebus_dma_info ebus_info;
#endif
};
struct snd_cs4231 {
- spinlock_t lock;
+ spinlock_t lock; /* registers access lock */
void __iomem *port;
struct cs4231_dma_control p_dma;
#define CS4231_MODE_PLAY 0x0001
#define CS4231_MODE_RECORD 0x0002
#define CS4231_MODE_TIMER 0x0004
-#define CS4231_MODE_OPEN (CS4231_MODE_PLAY|CS4231_MODE_RECORD|CS4231_MODE_TIMER)
+#define CS4231_MODE_OPEN (CS4231_MODE_PLAY | CS4231_MODE_RECORD | \
+ CS4231_MODE_TIMER)
unsigned char image[32]; /* registers image */
int mce_bit;
int calibrate_mute;
- struct mutex mce_mutex;
- struct mutex open_mutex;
+ struct mutex mce_mutex; /* mutex for mce register */
+ struct mutex open_mutex; /* mutex for ALSA open/close */
union {
#ifdef SBUS_SUPPORT
#endif
}
-static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val, void __iomem *reg_addr)
+static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val,
+ void __iomem *reg_addr)
{
#ifdef EBUS_SUPPORT
if (cp->flags & CS4231_FLAG_EBUS)
udelay(100);
}
-static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg, unsigned char value)
+static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg,
+ unsigned char value)
{
snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
{
int timeout;
- /* huh.. looks like this sequence is proper for CS4231A chip (GUS MAX) */
+ /* looks like this sequence is proper for CS4231A chip (GUS MAX) */
for (timeout = 5; timeout > 0; timeout--)
__cs4231_readb(chip, CS4231P(chip, REGSEL));
chip->mce_bit |= CS4231_MCE;
timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL));
if (timeout == 0x80)
- snd_printdd("mce_up [%p]: serious init problem - codec still busy\n", chip->port);
+ snd_printdd("mce_up [%p]: serious init problem - "
+ "codec still busy\n",
+ chip->port);
if (!(timeout & CS4231_MCE))
__cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
spin_unlock_irqrestore(&chip->lock, flags);
timeout = __cs4231_readb(chip, CS4231P(chip, REGSEL));
__cs4231_writeb(chip, chip->mce_bit | (timeout & 0x1f), CS4231P(chip, REGSEL));
if (timeout == 0x80)
- snd_printdd("mce_down [%p]: serious init problem - codec still busy\n", chip->port);
+ snd_printdd("mce_down [%p]: serious init problem - "
+ "codec still busy\n",
+ chip->port);
if ((timeout & CS4231_MCE) == 0) {
spin_unlock_irqrestore(&chip->lock, flags);
return;
snd_cs4231_ready(chip);
snd_cs4231_ready(chip);
- if ((snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) == 0) {
+ timeout = snd_cs4231_in(chip, CS4231_TEST_INIT);
+ if ((timeout & CS4231_CALIB_IN_PROGRESS) == 0) {
snd_printd("cs4231_mce_down - auto calibration time out (1)\n");
spin_unlock_irqrestore(&chip->lock, flags);
return;
/* in 10ms increments, check condition, up to 250ms */
timeout = 25;
- while (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) {
+ while (snd_cs4231_in(chip, CS4231_TEST_INIT) &
+ CS4231_CALIB_IN_PROGRESS) {
+
spin_unlock_irqrestore(&chip->lock, flags);
if (--timeout < 0) {
- snd_printk("mce_down - auto calibration time out (2)\n");
+ snd_printk("mce_down - "
+ "auto calibration time out (2)\n");
return;
}
msleep(10);
while (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT) {
spin_unlock_irqrestore(&chip->lock, flags);
if (--timeout < 0) {
- snd_printk("mce_down - auto calibration time out (3)\n");
+ snd_printk("mce_down - "
+ "auto calibration time out (3)\n");
return;
}
msleep(10);
BUG_ON(period_size >= (1 << 24));
- if (dma_cont->request(dma_cont, runtime->dma_addr + offset, period_size))
+ if (dma_cont->request(dma_cont,
+ runtime->dma_addr + offset, period_size))
return;
(*periods_sent) = ((*periods_sent) + 1) % runtime->periods;
}
for (i = 0; i < 14; i++)
if (rate == rates[i])
return freq_bits[i];
- // snd_BUG();
+
return freq_bits[13];
}
-static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, int format, int channels)
+static unsigned char snd_cs4231_get_format(struct snd_cs4231 *chip, int format,
+ int channels)
{
unsigned char rformat;
rformat = CS4231_LINEAR_8;
switch (format) {
- case SNDRV_PCM_FORMAT_MU_LAW: rformat = CS4231_ULAW_8; break;
- case SNDRV_PCM_FORMAT_A_LAW: rformat = CS4231_ALAW_8; break;
- case SNDRV_PCM_FORMAT_S16_LE: rformat = CS4231_LINEAR_16; break;
- case SNDRV_PCM_FORMAT_S16_BE: rformat = CS4231_LINEAR_16_BIG; break;
- case SNDRV_PCM_FORMAT_IMA_ADPCM: rformat = CS4231_ADPCM_16; break;
+ case SNDRV_PCM_FORMAT_MU_LAW:
+ rformat = CS4231_ULAW_8;
+ break;
+ case SNDRV_PCM_FORMAT_A_LAW:
+ rformat = CS4231_ALAW_8;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ rformat = CS4231_LINEAR_16;
+ break;
+ case SNDRV_PCM_FORMAT_S16_BE:
+ rformat = CS4231_LINEAR_16_BIG;
+ break;
+ case SNDRV_PCM_FORMAT_IMA_ADPCM:
+ rformat = CS4231_ADPCM_16;
+ break;
}
if (channels > 1)
rformat |= CS4231_STEREO;
spin_unlock_irqrestore(&chip->lock, flags);
}
-static void snd_cs4231_playback_format(struct snd_cs4231 *chip, struct snd_pcm_hw_params *params,
+static void snd_cs4231_playback_format(struct snd_cs4231 *chip,
+ struct snd_pcm_hw_params *params,
unsigned char pdfr)
{
unsigned long flags;
mutex_unlock(&chip->mce_mutex);
}
-static void snd_cs4231_capture_format(struct snd_cs4231 *chip, struct snd_pcm_hw_params *params,
- unsigned char cdfr)
+static void snd_cs4231_capture_format(struct snd_cs4231 *chip,
+ struct snd_pcm_hw_params *params,
+ unsigned char cdfr)
{
unsigned long flags;
chip->image[CS4231_TIMER_LOW] =
(unsigned char) ticks);
snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
- chip->image[CS4231_ALT_FEATURE_1] | CS4231_TIMER_ENABLE);
+ chip->image[CS4231_ALT_FEATURE_1] |
+ CS4231_TIMER_ENABLE);
}
spin_unlock_irqrestore(&chip->lock, flags);
struct snd_cs4231 *chip = snd_timer_chip(timer);
spin_lock_irqsave(&chip->lock, flags);
+ chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE;
snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
- chip->image[CS4231_ALT_FEATURE_1] &= ~CS4231_TIMER_ENABLE);
+ chip->image[CS4231_ALT_FEATURE_1]);
spin_unlock_irqrestore(&chip->lock, flags);
return 0;
#endif
snd_cs4231_mce_up(chip);
spin_lock_irqsave(&chip->lock, flags);
- chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO |
- CS4231_RECORD_ENABLE | CS4231_RECORD_PIO |
+ chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
+ CS4231_PLAYBACK_PIO |
+ CS4231_RECORD_ENABLE |
+ CS4231_RECORD_PIO |
CS4231_CALIB_MODE);
chip->image[CS4231_IFACE_CTRL] |= CS4231_AUTOCALIB;
snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
snd_cs4231_mce_up(chip);
spin_lock_irqsave(&chip->lock, flags);
- snd_cs4231_out(chip, CS4231_ALT_FEATURE_1, chip->image[CS4231_ALT_FEATURE_1]);
+ snd_cs4231_out(chip, CS4231_ALT_FEATURE_1,
+ chip->image[CS4231_ALT_FEATURE_1]);
spin_unlock_irqrestore(&chip->lock, flags);
snd_cs4231_mce_down(chip);
#ifdef SNDRV_DEBUG_MCE
- snd_printdd("init: (3) - afei = 0x%x\n", chip->image[CS4231_ALT_FEATURE_1]);
+ snd_printdd("init: (3) - afei = 0x%x\n",
+ chip->image[CS4231_ALT_FEATURE_1]);
#endif
spin_lock_irqsave(&chip->lock, flags);
- snd_cs4231_out(chip, CS4231_ALT_FEATURE_2, chip->image[CS4231_ALT_FEATURE_2]);
+ snd_cs4231_out(chip, CS4231_ALT_FEATURE_2,
+ chip->image[CS4231_ALT_FEATURE_2]);
spin_unlock_irqrestore(&chip->lock, flags);
snd_cs4231_mce_up(chip);
spin_lock_irqsave(&chip->lock, flags);
- snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, chip->image[CS4231_PLAYBK_FORMAT]);
+ snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT,
+ chip->image[CS4231_PLAYBK_FORMAT]);
spin_unlock_irqrestore(&chip->lock, flags);
snd_cs4231_mce_down(chip);
chip->image[CS4231_IFACE_CTRL] &=
~(CS4231_PLAYBACK_ENABLE | CS4231_PLAYBACK_PIO |
CS4231_RECORD_ENABLE | CS4231_RECORD_PIO);
- snd_cs4231_out(chip, CS4231_IFACE_CTRL, chip->image[CS4231_IFACE_CTRL]);
+ snd_cs4231_out(chip, CS4231_IFACE_CTRL,
+ chip->image[CS4231_IFACE_CTRL]);
spin_unlock_irqrestore(&chip->lock, flags);
snd_cs4231_mce_down(chip);
spin_lock_irqsave(&chip->lock, flags);
return 0;
}
-static int snd_cs4231_timer_close(struct snd_timer * timer)
+static int snd_cs4231_timer_close(struct snd_timer *timer)
{
struct snd_cs4231 *chip = snd_timer_chip(timer);
snd_cs4231_close(chip, CS4231_MODE_TIMER);
return 0;
}
-static struct snd_timer_hardware snd_cs4231_timer_table =
-{
+static struct snd_timer_hardware snd_cs4231_timer_table = {
.flags = SNDRV_TIMER_HW_AUTO,
.resolution = 9945,
.ticks = 65535,
unsigned char new_pdfr;
int err;
- if ((err = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params))) < 0)
+ err = snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
+ if (err < 0)
return err;
new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params),
params_channels(hw_params)) |
unsigned char new_cdfr;
int err;
- if ((err = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params))) < 0)
+ err = snd_pcm_lib_malloc_pages(substream,
+ params_buffer_bytes(hw_params));
+ if (err < 0)
return err;
new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params),
params_channels(hw_params)) |
res = snd_cs4231_in(chip, CS4231_TEST_INIT);
spin_unlock_irqrestore(&chip->lock, flags);
- if (res & (0x08 | 0x02)) /* detect overrange only above 0dB; may be user selectable? */
+ /* detect overrange only above 0dB; may be user selectable? */
+ if (res & (0x08 | 0x02))
chip->capture_substream->runtime->overrange++;
}
}
}
-static snd_pcm_uframes_t snd_cs4231_playback_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t snd_cs4231_playback_pointer(
+ struct snd_pcm_substream *substream)
{
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
struct cs4231_dma_control *dma_cont = &chip->p_dma;
size_t ptr;
-
+
if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_PLAYBACK_ENABLE))
return 0;
ptr = dma_cont->address(dma_cont);
if (ptr != 0)
ptr -= substream->runtime->dma_addr;
-
+
return bytes_to_frames(substream->runtime, ptr);
}
-static snd_pcm_uframes_t snd_cs4231_capture_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t snd_cs4231_capture_pointer(
+ struct snd_pcm_substream *substream)
{
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
struct cs4231_dma_control *dma_cont = &chip->c_dma;
size_t ptr;
-
+
if (!(chip->image[CS4231_IFACE_CTRL] & CS4231_RECORD_ENABLE))
return 0;
ptr = dma_cont->address(dma_cont);
if (ptr != 0)
ptr -= substream->runtime->dma_addr;
-
+
return bytes_to_frames(substream->runtime, ptr);
}
static int __init snd_cs4231_probe(struct snd_cs4231 *chip)
{
unsigned long flags;
- int i, id, vers;
+ int i;
+ int id = 0;
+ int vers = 0;
unsigned char *ptr;
- id = vers = 0;
for (i = 0; i < 50; i++) {
mb();
if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
- udelay(2000);
+ msleep(2);
else {
spin_lock_irqsave(&chip->lock, flags);
snd_cs4231_out(chip, CS4231_MISC_INFO, CS4231_MODE2);
return 0; /* all things are ok.. */
}
-static struct snd_pcm_hardware snd_cs4231_playback =
-{
- .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
- .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
- SNDRV_PCM_FMTBIT_IMA_ADPCM |
- SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S16_BE),
- .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
+static struct snd_pcm_hardware snd_cs4231_playback = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_SYNC_START,
+ .formats = SNDRV_PCM_FMTBIT_MU_LAW |
+ SNDRV_PCM_FMTBIT_A_LAW |
+ SNDRV_PCM_FMTBIT_IMA_ADPCM |
+ SNDRV_PCM_FMTBIT_U8 |
+ SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S16_BE,
+ .rates = SNDRV_PCM_RATE_KNOT |
+ SNDRV_PCM_RATE_8000_48000,
.rate_min = 5510,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
- .buffer_bytes_max = (32*1024),
+ .buffer_bytes_max = 32 * 1024,
.period_bytes_min = 64,
- .period_bytes_max = (32*1024),
+ .period_bytes_max = 32 * 1024,
.periods_min = 1,
.periods_max = 1024,
};
-static struct snd_pcm_hardware snd_cs4231_capture =
-{
- .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
- .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
- SNDRV_PCM_FMTBIT_IMA_ADPCM |
- SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S16_BE),
- .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
+static struct snd_pcm_hardware snd_cs4231_capture = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_SYNC_START,
+ .formats = SNDRV_PCM_FMTBIT_MU_LAW |
+ SNDRV_PCM_FMTBIT_A_LAW |
+ SNDRV_PCM_FMTBIT_IMA_ADPCM |
+ SNDRV_PCM_FMTBIT_U8 |
+ SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S16_BE,
+ .rates = SNDRV_PCM_RATE_KNOT |
+ SNDRV_PCM_RATE_8000_48000,
.rate_min = 5510,
.rate_max = 48000,
.channels_min = 1,
.channels_max = 2,
- .buffer_bytes_max = (32*1024),
+ .buffer_bytes_max = 32 * 1024,
.period_bytes_min = 64,
- .period_bytes_max = (32*1024),
+ .period_bytes_max = 32 * 1024,
.periods_min = 1,
.periods_max = 1024,
};
runtime->hw = snd_cs4231_playback;
- if ((err = snd_cs4231_open(chip, CS4231_MODE_PLAY)) < 0) {
+ err = snd_cs4231_open(chip, CS4231_MODE_PLAY);
+ if (err < 0) {
snd_free_pages(runtime->dma_area, runtime->dma_bytes);
return err;
}
runtime->hw = snd_cs4231_capture;
- if ((err = snd_cs4231_open(chip, CS4231_MODE_RECORD)) < 0) {
+ err = snd_cs4231_open(chip, CS4231_MODE_RECORD);
+ if (err < 0) {
snd_free_pages(runtime->dma_area, runtime->dma_bytes);
return err;
}
if (err < 0)
return err;
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4231_playback_ops);
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs4231_capture_ops);
-
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ &snd_cs4231_playback_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
+ &snd_cs4231_capture_ops);
+
/* global setup */
pcm->private_data = chip;
pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
return 0;
}
-
+
/*
* MIXER part
*/
uinfo->value.enumerated.items = 4;
if (uinfo->value.enumerated.item > 3)
uinfo->value.enumerated.item = 3;
- strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
return 0;
}
{
struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
unsigned long flags;
-
+
spin_lock_irqsave(&chip->lock, flags);
ucontrol->value.enumerated.item[0] =
(chip->image[CS4231_LEFT_INPUT] & CS4231_MIXS_ALL) >> 6;
unsigned long flags;
unsigned short left, right;
int change;
-
+
if (ucontrol->value.enumerated.item[0] > 3 ||
ucontrol->value.enumerated.item[1] > 3)
return -EINVAL;
left = (chip->image[CS4231_LEFT_INPUT] & ~CS4231_MIXS_ALL) | left;
right = (chip->image[CS4231_RIGHT_INPUT] & ~CS4231_MIXS_ALL) | right;
change = left != chip->image[CS4231_LEFT_INPUT] ||
- right != chip->image[CS4231_RIGHT_INPUT];
+ right != chip->image[CS4231_RIGHT_INPUT];
snd_cs4231_out(chip, CS4231_LEFT_INPUT, left);
snd_cs4231_out(chip, CS4231_RIGHT_INPUT, right);
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 0xff;
-
+
spin_lock_irqsave(&chip->lock, flags);
ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask;
int invert = (kcontrol->private_value >> 24) & 0xff;
int change;
unsigned short val;
-
+
val = (ucontrol->value.integer.value[0] & mask);
if (invert)
val = mask - val;
int shift_right = (kcontrol->private_value >> 19) & 0x07;
int mask = (kcontrol->private_value >> 24) & 0xff;
int invert = (kcontrol->private_value >> 22) & 1;
-
+
spin_lock_irqsave(&chip->lock, flags);
- ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
- ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask;
+ ucontrol->value.integer.value[0] =
+ (chip->image[left_reg] >> shift_left) & mask;
+ ucontrol->value.integer.value[1] =
+ (chip->image[right_reg] >> shift_right) & mask;
spin_unlock_irqrestore(&chip->lock, flags);
int invert = (kcontrol->private_value >> 22) & 1;
int change;
unsigned short val1, val2;
-
+
val1 = ucontrol->value.integer.value[0] & mask;
val2 = ucontrol->value.integer.value[1] & mask;
if (invert) {
val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2;
- change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg];
+ change = val1 != chip->image[left_reg];
+ change |= val2 != chip->image[right_reg];
snd_cs4231_out(chip, left_reg, val1);
snd_cs4231_out(chip, right_reg, val2);
}
#define CS4231_SINGLE(xname, xindex, reg, shift, mask, invert) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
- .info = snd_cs4231_info_single, \
- .get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \
- .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
-
-#define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
- .info = snd_cs4231_info_double, \
- .get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \
- .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .index = (xindex), \
+ .info = snd_cs4231_info_single, \
+ .get = snd_cs4231_get_single, .put = snd_cs4231_put_single, \
+ .private_value = (reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24) }
+
+#define CS4231_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, \
+ shift_right, mask, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), .index = (xindex), \
+ .info = snd_cs4231_info_double, \
+ .get = snd_cs4231_get_double, .put = snd_cs4231_put_double, \
+ .private_value = (left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | \
+ ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22) }
static struct snd_kcontrol_new snd_cs4231_controls[] __initdata = {
-CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
-CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
-CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
-CS4231_DOUBLE("Line Playback Volume", 0, CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
-CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
-CS4231_DOUBLE("Aux Playback Volume", 0, CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
-CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
-CS4231_DOUBLE("Aux Playback Volume", 1, CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
+CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT,
+ CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
+CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT,
+ CS4231_RIGHT_OUTPUT, 0, 0, 63, 1),
+CS4231_DOUBLE("Line Playback Switch", 0, CS4231_LEFT_LINE_IN,
+ CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
+CS4231_DOUBLE("Line Playback Volume", 0, CS4231_LEFT_LINE_IN,
+ CS4231_RIGHT_LINE_IN, 0, 0, 31, 1),
+CS4231_DOUBLE("Aux Playback Switch", 0, CS4231_AUX1_LEFT_INPUT,
+ CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
+CS4231_DOUBLE("Aux Playback Volume", 0, CS4231_AUX1_LEFT_INPUT,
+ CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1),
+CS4231_DOUBLE("Aux Playback Switch", 1, CS4231_AUX2_LEFT_INPUT,
+ CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
+CS4231_DOUBLE("Aux Playback Volume", 1, CS4231_AUX2_LEFT_INPUT,
+ CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1),
CS4231_SINGLE("Mono Playback Switch", 0, CS4231_MONO_CTRL, 7, 1, 1),
CS4231_SINGLE("Mono Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),
CS4231_SINGLE("Mono Output Playback Switch", 0, CS4231_MONO_CTRL, 6, 1, 1),
CS4231_SINGLE("Mono Output Playback Bypass", 0, CS4231_MONO_CTRL, 5, 1, 0),
-CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0, 15, 0),
+CS4231_DOUBLE("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 0, 0,
+ 15, 0),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.get = snd_cs4231_get_mux,
.put = snd_cs4231_put_mux,
},
-CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5, 1, 0),
+CS4231_DOUBLE("Mic Boost", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 5, 5,
+ 1, 0),
CS4231_SINGLE("Loopback Capture Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
CS4231_SINGLE("Loopback Capture Volume", 0, CS4231_LOOPBACK, 2, 63, 1),
/* SPARC specific uses of XCTL{0,1} general purpose outputs. */
CS4231_SINGLE("Line Out Switch", 0, CS4231_PIN_CTRL, 6, 1, 1),
CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1)
};
-
+
static int __init snd_cs4231_mixer(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
sbus_writel(csr, chip->port + APCCSR);
- if ((csr & APC_PDMA_READY) &&
- (csr & APC_PLAY_INT) &&
+ if ((csr & APC_PDMA_READY) &&
+ (csr & APC_PLAY_INT) &&
(csr & APC_XINT_PNVA) &&
!(csr & APC_XINT_EMPT))
snd_cs4231_play_callback(chip);
- if ((csr & APC_CDMA_READY) &&
- (csr & APC_CAPT_INT) &&
+ if ((csr & APC_CDMA_READY) &&
+ (csr & APC_CAPT_INT) &&
(csr & APC_XINT_CNVA) &&
!(csr & APC_XINT_EMPT))
snd_cs4231_capture_callback(chip);
-
+
status = snd_cs4231_in(chip, CS4231_IRQ_STATUS);
if (status & CS4231_TIMER_IRQ) {
if (chip->timer)
snd_timer_interrupt(chip->timer, chip->timer->sticks);
- }
+ }
if ((status & CS4231_RECORD_IRQ) && (csr & APC_CDMA_READY))
snd_cs4231_overrange(chip);
* SBUS DMA routines
*/
-static int sbus_dma_request(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len)
+static int sbus_dma_request(struct cs4231_dma_control *dma_cont,
+ dma_addr_t bus_addr, size_t len)
{
unsigned long flags;
u32 test, csr;
int err;
struct sbus_dma_info *base = &dma_cont->sbus_info;
-
+
if (len >= (1 << 24))
return -EINVAL;
spin_lock_irqsave(&base->lock, flags);
csr = sbus_readl(base->regs + APCCSR);
err = -EINVAL;
test = APC_CDMA_READY;
- if ( base->dir == APC_PLAY )
+ if (base->dir == APC_PLAY)
test = APC_PDMA_READY;
if (!(csr & test))
goto out;
err = -EBUSY;
test = APC_XINT_CNVA;
- if ( base->dir == APC_PLAY )
+ if (base->dir == APC_PLAY)
test = APC_XINT_PNVA;
if (!(csr & test))
goto out;
test = APC_GENL_INT | APC_PLAY_INT | APC_XINT_ENA |
APC_XINT_PLAY | APC_XINT_PEMP | APC_XINT_GENL |
APC_XINT_PENA;
- if ( base->dir == APC_RECORD )
+ if (base->dir == APC_RECORD)
test = APC_GENL_INT | APC_CAPT_INT | APC_XINT_ENA |
APC_XINT_CAPT | APC_XINT_CEMP | APC_XINT_GENL;
csr |= test;
if (!on) {
sbus_writel(0, base->regs + base->dir + APCNC);
sbus_writel(0, base->regs + base->dir + APCNVA);
- if ( base->dir == APC_PLAY ) {
+ if (base->dir == APC_PLAY) {
sbus_writel(0, base->regs + base->dir + APCC);
sbus_writel(0, base->regs + base->dir + APCVA);
}
udelay(1200);
- }
+ }
csr = sbus_readl(base->regs + APCCSR);
shift = 0;
- if ( base->dir == APC_PLAY )
+ if (base->dir == APC_PLAY)
shift = 1;
if (on)
csr &= ~(APC_CPAUSE << shift);
else
- csr |= (APC_CPAUSE << shift);
+ csr |= (APC_CPAUSE << shift);
sbus_writel(csr, base->regs + APCCSR);
if (on)
csr |= (APC_CDMA_READY << shift);
else
csr &= ~(APC_CDMA_READY << shift);
sbus_writel(csr, base->regs + APCCSR);
-
+
spin_unlock_irqrestore(&base->lock, flags);
}
{
struct sbus_dma_info *base = &dma_cont->sbus_info;
- return sbus_readl(base->regs + base->dir + APCVA);
+ return sbus_readl(base->regs + base->dir + APCVA);
}
static void sbus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm)
{
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_SBUS,
- snd_dma_sbus_data(chip->dev_u.sdev),
- 64*1024, 128*1024);
+ snd_dma_sbus_data(chip->dev_u.sdev),
+ 64 * 1024, 128 * 1024);
}
/*
#ifdef EBUS_SUPPORT
-static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event, void *cookie)
+static void snd_cs4231_ebus_play_callback(struct ebus_dma_info *p, int event,
+ void *cookie)
{
struct snd_cs4231 *chip = cookie;
-
+
snd_cs4231_play_callback(chip);
}
-static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p, int event, void *cookie)
+static void snd_cs4231_ebus_capture_callback(struct ebus_dma_info *p,
+ int event, void *cookie)
{
struct snd_cs4231 *chip = cookie;
* EBUS DMA wrappers
*/
-static int _ebus_dma_request(struct cs4231_dma_control *dma_cont, dma_addr_t bus_addr, size_t len)
+static int _ebus_dma_request(struct cs4231_dma_control *dma_cont,
+ dma_addr_t bus_addr, size_t len)
{
return ebus_dma_request(&dma_cont->ebus_info, bus_addr, len);
}
chip->port = ioremap(edev->resource[0].start, 0x10);
chip->p_dma.ebus_info.regs = ioremap(edev->resource[1].start, 0x10);
chip->c_dma.ebus_info.regs = ioremap(edev->resource[2].start, 0x10);
- if (!chip->port || !chip->p_dma.ebus_info.regs || !chip->c_dma.ebus_info.regs) {
+ if (!chip->port || !chip->p_dma.ebus_info.regs ||
+ !chip->c_dma.ebus_info.regs) {
snd_cs4231_ebus_free(chip);
snd_printdd("cs4231-%d: Unable to map chip registers.\n", dev);
return -EIO;
if (ebus_dma_register(&chip->c_dma.ebus_info)) {
snd_cs4231_ebus_free(chip);
- snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n", dev);
+ snd_printdd("cs4231-%d: Unable to register EBUS capture DMA\n",
+ dev);
return -EBUSY;
}
if (ebus_dma_irq_enable(&chip->c_dma.ebus_info, 1)) {
snd_cs4231_ebus_free(chip);
- snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n", dev);
+ snd_printdd("cs4231-%d: Unable to enable EBUS capture IRQ\n",
+ dev);
return -EBUSY;
}
if (ebus_dma_register(&chip->p_dma.ebus_info)) {
snd_cs4231_ebus_free(chip);
- snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n", dev);
+ snd_printdd("cs4231-%d: Unable to register EBUS play DMA\n",
+ dev);
return -EBUSY;
}
if (ebus_dma_irq_enable(&chip->p_dma.ebus_info, 1)) {
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff