#ifdef CONFIG_SBUS
#define SBUS_SUPPORT
-#endif
-
-#ifdef SBUS_SUPPORT
#include <asm/sbus.h>
#endif
#if defined(CONFIG_PCI) && defined(CONFIG_SPARC64)
#define EBUS_SUPPORT
-#endif
-
-#ifdef EBUS_SUPPORT
#include <linux/pci.h>
#include <asm/ebus.h>
#endif
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 (*reset)(struct snd_cs4231 *chip);
void (*preallocate)(struct snd_cs4231 *chip, struct snd_pcm *pcm);
#ifdef EBUS_SUPPORT
struct ebus_dma_info ebus_info;
};
static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
- .count = 14,
+ .count = ARRAY_SIZE(rates),
.list = rates,
};
static u8 __cs4231_readb(struct snd_cs4231 *cp, void __iomem *reg_addr)
{
#ifdef EBUS_SUPPORT
- if (cp->flags & CS4231_FLAG_EBUS) {
+ if (cp->flags & CS4231_FLAG_EBUS)
return readb(reg_addr);
- } else {
+ else
#endif
#ifdef SBUS_SUPPORT
return sbus_readb(reg_addr);
#endif
-#ifdef EBUS_SUPPORT
- }
-#endif
}
static void __cs4231_writeb(struct snd_cs4231 *cp, u8 val, void __iomem *reg_addr)
{
#ifdef EBUS_SUPPORT
- if (cp->flags & CS4231_FLAG_EBUS) {
+ if (cp->flags & CS4231_FLAG_EBUS)
return writeb(val, reg_addr);
- } else {
+ else
#endif
#ifdef SBUS_SUPPORT
return sbus_writeb(val, reg_addr);
#endif
-#ifdef EBUS_SUPPORT
- }
-#endif
}
/*
* Basic I/O functions
*/
-static void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg,
- unsigned char mask, unsigned char value)
+static void snd_cs4231_ready(struct snd_cs4231 *chip)
{
int timeout;
- unsigned char tmp;
for (timeout = 250;
timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
timeout--)
udelay(100);
-#ifdef CONFIG_SND_DEBUG
- if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
- snd_printdd("outm: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
-#endif
- if (chip->calibrate_mute) {
- chip->image[reg] &= mask;
- chip->image[reg] |= value;
- } else {
- __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
- mb();
- tmp = (chip->image[reg] & mask) | value;
- __cs4231_writeb(chip, tmp, CS4231P(chip, REG));
- chip->image[reg] = tmp;
- mb();
- }
}
static void snd_cs4231_dout(struct snd_cs4231 *chip, unsigned char reg, unsigned char value)
{
- int timeout;
-
- for (timeout = 250;
- timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
- timeout--)
- udelay(100);
+ snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
- snd_printdd("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
+ snd_printdd("out: auto calibration time out - reg = 0x%x, "
+ "value = 0x%x\n",
+ reg, value);
#endif
__cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
+ wmb();
__cs4231_writeb(chip, value, CS4231P(chip, REG));
mb();
}
-static void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg, unsigned char value)
+static inline void snd_cs4231_outm(struct snd_cs4231 *chip, unsigned char reg,
+ unsigned char mask, unsigned char value)
{
- int timeout;
+ unsigned char tmp = (chip->image[reg] & mask) | value;
- for (timeout = 250;
- timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
- timeout--)
- udelay(100);
-#ifdef CONFIG_SND_DEBUG
- if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
- snd_printdd("out: auto calibration time out - reg = 0x%x, value = 0x%x\n", reg, value);
-#endif
- __cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
- __cs4231_writeb(chip, value, CS4231P(chip, REG));
+ chip->image[reg] = tmp;
+ if (!chip->calibrate_mute)
+ snd_cs4231_dout(chip, reg, tmp);
+}
+
+static void snd_cs4231_out(struct snd_cs4231 *chip, unsigned char reg,
+ unsigned char value)
+{
+ snd_cs4231_dout(chip, reg, value);
chip->image[reg] = value;
mb();
}
static unsigned char snd_cs4231_in(struct snd_cs4231 *chip, unsigned char reg)
{
- int timeout;
- unsigned char ret;
-
- for (timeout = 250;
- timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
- timeout--)
- udelay(100);
+ snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
- snd_printdd("in: auto calibration time out - reg = 0x%x\n", reg);
+ snd_printdd("in: auto calibration time out - reg = 0x%x\n",
+ reg);
#endif
__cs4231_writeb(chip, chip->mce_bit | reg, CS4231P(chip, REGSEL));
mb();
- ret = __cs4231_readb(chip, CS4231P(chip, REG));
- return ret;
+ return __cs4231_readb(chip, CS4231P(chip, REG));
}
/*
for (timeout = 500;
timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT);
timeout--)
- udelay(1000);
+ msleep(1);
}
static void snd_cs4231_mce_up(struct snd_cs4231 *chip)
int timeout;
spin_lock_irqsave(&chip->lock, flags);
- for (timeout = 250; timeout > 0 && (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT); timeout--)
- udelay(100);
+ snd_cs4231_ready(chip);
#ifdef CONFIG_SND_DEBUG
if (__cs4231_readb(chip, CS4231P(chip, REGSEL)) & CS4231_INIT)
snd_printdd("mce_up - auto calibration time out (0)\n");
/* calibration process */
- for (timeout = 500; timeout > 0 && (snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) == 0; timeout--)
- udelay(100);
+ snd_cs4231_ready(chip);
+ snd_cs4231_ready(chip);
if ((snd_cs4231_in(chip, CS4231_TEST_INIT) & CS4231_CALIB_IN_PROGRESS) == 0) {
snd_printd("cs4231_mce_down - auto calibration time out (1)\n");
spin_unlock_irqrestore(&chip->lock, flags);
return 0;
}
-static int snd_cs4231_playback_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream)
{
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
return 0;
}
-static int snd_cs4231_capture_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
static int snd_cs4231_capture_prepare(struct snd_pcm_substream *substream)
{
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
return bytes_to_frames(substream->runtime, ptr);
}
-/*
-
- */
-
static int __init snd_cs4231_probe(struct snd_cs4231 *chip)
{
unsigned long flags;
spin_lock_irqsave(&chip->lock, flags);
-
- /* Reset DMA engine (sbus only). */
- chip->p_dma.reset(chip);
-
__cs4231_readb(chip, CS4231P(chip, STATUS)); /* clear any pendings IRQ */
__cs4231_writeb(chip, 0, CS4231P(chip, STATUS));
mb();
.close = snd_cs4231_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cs4231_playback_hw_params,
- .hw_free = snd_cs4231_playback_hw_free,
+ .hw_free = snd_pcm_lib_free_pages,
.prepare = snd_cs4231_playback_prepare,
.trigger = snd_cs4231_trigger,
.pointer = snd_cs4231_playback_pointer,
.close = snd_cs4231_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cs4231_capture_hw_params,
- .hw_free = snd_cs4231_capture_hw_free,
+ .hw_free = snd_pcm_lib_free_pages,
.prepare = snd_cs4231_capture_prepare,
.trigger = snd_cs4231_trigger,
.pointer = snd_cs4231_capture_pointer,
};
-static int __init snd_cs4231_pcm(struct snd_cs4231 *chip)
+static int __init snd_cs4231_pcm(struct snd_card *card)
{
+ struct snd_cs4231 *chip = card->private_data;
struct snd_pcm *pcm;
int err;
- if ((err = snd_pcm_new(chip->card, "CS4231", 0, 1, 1, &pcm)) < 0)
+ err = snd_pcm_new(card, "CS4231", 0, 1, 1, &pcm);
+ if (err < 0)
return err;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4231_playback_ops);
return 0;
}
-static int __init snd_cs4231_timer(struct snd_cs4231 *chip)
+static int __init snd_cs4231_timer(struct snd_card *card)
{
+ struct snd_cs4231 *chip = card->private_data;
struct snd_timer *timer;
struct snd_timer_id tid;
int err;
/* Timer initialization */
tid.dev_class = SNDRV_TIMER_CLASS_CARD;
tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
- tid.card = chip->card->number;
+ tid.card = card->number;
tid.device = 0;
tid.subdevice = 0;
- if ((err = snd_timer_new(chip->card, "CS4231", &tid, &timer)) < 0)
+ err = snd_timer_new(card, "CS4231", &tid, &timer);
+ if (err < 0)
return err;
strcpy(timer->name, "CS4231");
timer->private_data = chip;
static char *texts[4] = {
"Line", "CD", "Mic", "Mix"
};
- struct snd_cs4231 *chip = snd_kcontrol_chip(kcontrol);
- snd_assert(chip->card != NULL, return -EINVAL);
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 2;
uinfo->value.enumerated.items = 4;
CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1)
};
-static int __init snd_cs4231_mixer(struct snd_cs4231 *chip)
+static int __init snd_cs4231_mixer(struct snd_card *card)
{
- struct snd_card *card;
+ struct snd_cs4231 *chip = card->private_data;
int err, idx;
snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL);
- card = chip->card;
-
strcpy(card->mixername, chip->pcm->name);
for (idx = 0; idx < ARRAY_SIZE(snd_cs4231_controls); idx++) {
- if ((err = snd_ctl_add(card,
- snd_ctl_new1(&snd_cs4231_controls[idx],
- chip))) < 0)
+ err = snd_ctl_add(card,
+ snd_ctl_new1(&snd_cs4231_controls[idx], chip));
+ if (err < 0)
return err;
}
return 0;
static int __init cs4231_attach_begin(struct snd_card **rcard)
{
struct snd_card *card;
+ struct snd_cs4231 *chip;
*rcard = NULL;
return -ENOENT;
}
- card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
+ card = snd_card_new(index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_cs4231));
if (card == NULL)
return -ENOMEM;
strcpy(card->driver, "CS4231");
strcpy(card->shortname, "Sun CS4231");
+ chip = card->private_data;
+ chip->card = card;
+
*rcard = card;
return 0;
}
-static int __init cs4231_attach_finish(struct snd_card *card, struct snd_cs4231 *chip)
+static int __init cs4231_attach_finish(struct snd_card *card)
{
+ struct snd_cs4231 *chip = card->private_data;
int err;
- if ((err = snd_cs4231_pcm(chip)) < 0)
+ err = snd_cs4231_pcm(card);
+ if (err < 0)
goto out_err;
- if ((err = snd_cs4231_mixer(chip)) < 0)
+ err = snd_cs4231_mixer(card);
+ if (err < 0)
goto out_err;
- if ((err = snd_cs4231_timer(chip)) < 0)
+ err = snd_cs4231_timer(card);
+ if (err < 0)
goto out_err;
- if ((err = snd_card_register(card)) < 0)
+ err = snd_card_register(card);
+ if (err < 0)
goto out_err;
chip->next = cs4231_list;
if (!on) {
sbus_writel(0, base->regs + base->dir + APCNC);
sbus_writel(0, base->regs + base->dir + APCNVA);
- sbus_writel(0, base->regs + base->dir + APCC);
- sbus_writel(0, base->regs + base->dir + APCVA);
+ if ( base->dir == APC_PLAY ) {
+ sbus_writel(0, base->regs + base->dir + APCC);
+ sbus_writel(0, base->regs + base->dir + APCVA);
+ }
- /* ACK any APC interrupts. */
- csr = sbus_readl(base->regs + APCCSR);
- sbus_writel(csr, base->regs + APCCSR);
+ udelay(1200);
}
- udelay(1000);
csr = sbus_readl(base->regs + APCCSR);
shift = 0;
if ( base->dir == APC_PLAY )
return sbus_readl(base->regs + base->dir + APCVA);
}
-static void sbus_dma_reset(struct snd_cs4231 *chip)
-{
- sbus_writel(APC_CHIP_RESET, chip->port + APCCSR);
- sbus_writel(0x00, chip->port + APCCSR);
- sbus_writel(sbus_readl(chip->port + APCCSR) | APC_CDC_RESET,
- chip->port + APCCSR);
-
- udelay(20);
-
- sbus_writel(sbus_readl(chip->port + APCCSR) & ~APC_CDC_RESET,
- chip->port + APCCSR);
- sbus_writel(sbus_readl(chip->port + APCCSR) | (APC_XINT_ENA |
- APC_XINT_PENA |
- APC_XINT_CENA),
- chip->port + APCCSR);
-}
-
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,
static int __init snd_cs4231_sbus_create(struct snd_card *card,
struct sbus_dev *sdev,
- int dev,
- struct snd_cs4231 **rchip)
+ int dev)
{
- struct snd_cs4231 *chip;
+ struct snd_cs4231 *chip = card->private_data;
int err;
- *rchip = NULL;
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (chip == NULL)
- return -ENOMEM;
-
spin_lock_init(&chip->lock);
spin_lock_init(&chip->c_dma.sbus_info.lock);
spin_lock_init(&chip->p_dma.sbus_info.lock);
mutex_init(&chip->mce_mutex);
mutex_init(&chip->open_mutex);
- chip->card = card;
chip->dev_u.sdev = sdev;
chip->regs_size = sdev->reg_addrs[0].reg_size;
memcpy(&chip->image, &snd_cs4231_original_image,
chip->p_dma.enable = sbus_dma_enable;
chip->p_dma.request = sbus_dma_request;
chip->p_dma.address = sbus_dma_addr;
- chip->p_dma.reset = sbus_dma_reset;
chip->p_dma.preallocate = sbus_dma_preallocate;
chip->c_dma.prepare = sbus_dma_prepare;
chip->c_dma.enable = sbus_dma_enable;
chip->c_dma.request = sbus_dma_request;
chip->c_dma.address = sbus_dma_addr;
- chip->c_dma.reset = sbus_dma_reset;
chip->c_dma.preallocate = sbus_dma_preallocate;
if (request_irq(sdev->irqs[0], snd_cs4231_sbus_interrupt,
return err;
}
- *rchip = chip;
return 0;
}
static int __init cs4231_sbus_attach(struct sbus_dev *sdev)
{
struct resource *rp = &sdev->resource[0];
- struct snd_cs4231 *cp;
struct snd_card *card;
int err;
(unsigned long long)rp->start,
sdev->irqs[0]);
- if ((err = snd_cs4231_sbus_create(card, sdev, dev, &cp)) < 0) {
+ err = snd_cs4231_sbus_create(card, sdev, dev);
+ if (err < 0) {
snd_card_free(card);
return err;
}
- return cs4231_attach_finish(card, cp);
+ return cs4231_attach_finish(card);
}
#endif
return ebus_dma_addr(&dma_cont->ebus_info);
}
-static void _ebus_dma_reset(struct snd_cs4231 *chip)
-{
- return;
-}
-
static void _ebus_dma_preallocate(struct snd_cs4231 *chip, struct snd_pcm *pcm)
{
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
static int __init snd_cs4231_ebus_create(struct snd_card *card,
struct linux_ebus_device *edev,
- int dev,
- struct snd_cs4231 **rchip)
+ int dev)
{
- struct snd_cs4231 *chip;
+ struct snd_cs4231 *chip = card->private_data;
int err;
- *rchip = NULL;
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (chip == NULL)
- return -ENOMEM;
-
spin_lock_init(&chip->lock);
spin_lock_init(&chip->c_dma.ebus_info.lock);
spin_lock_init(&chip->p_dma.ebus_info.lock);
mutex_init(&chip->mce_mutex);
mutex_init(&chip->open_mutex);
chip->flags |= CS4231_FLAG_EBUS;
- chip->card = card;
chip->dev_u.pdev = edev->bus->self;
memcpy(&chip->image, &snd_cs4231_original_image,
sizeof(snd_cs4231_original_image));
chip->p_dma.enable = _ebus_dma_enable;
chip->p_dma.request = _ebus_dma_request;
chip->p_dma.address = _ebus_dma_addr;
- chip->p_dma.reset = _ebus_dma_reset;
chip->p_dma.preallocate = _ebus_dma_preallocate;
chip->c_dma.prepare = _ebus_dma_prepare;
chip->c_dma.enable = _ebus_dma_enable;
chip->c_dma.request = _ebus_dma_request;
chip->c_dma.address = _ebus_dma_addr;
- chip->c_dma.reset = _ebus_dma_reset;
chip->c_dma.preallocate = _ebus_dma_preallocate;
chip->port = ioremap(edev->resource[0].start, 0x10);
return err;
}
- *rchip = chip;
return 0;
}
static int __init cs4231_ebus_attach(struct linux_ebus_device *edev)
{
struct snd_card *card;
- struct snd_cs4231 *chip;
int err;
err = cs4231_attach_begin(&card);
edev->resource[0].start,
edev->irqs[0]);
- if ((err = snd_cs4231_ebus_create(card, edev, dev, &chip)) < 0) {
+ err = snd_cs4231_ebus_create(card, edev, dev);
+ if (err < 0) {
snd_card_free(card);
return err;
}
- return cs4231_attach_finish(card, chip);
+ return cs4231_attach_finish(card);
}
#endif