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path: root/sound/drivers/vx/vx_core.c
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Diffstat (limited to 'sound/drivers/vx/vx_core.c')
-rw-r--r--sound/drivers/vx/vx_core.c150
1 files changed, 70 insertions, 80 deletions
diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c
index 4697b1d75cb..83596891cde 100644
--- a/sound/drivers/vx/vx_core.c
+++ b/sound/drivers/vx/vx_core.c
@@ -20,13 +20,13 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/firmware.h>
+#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/asoundef.h>
@@ -41,18 +41,6 @@ MODULE_LICENSE("GPL");
/*
- * snd_vx_delay - delay for the specified time
- * @xmsec: the time to delay in msec
- */
-void snd_vx_delay(vx_core_t *chip, int xmsec)
-{
- if (! in_interrupt() && xmsec >= 1000 / HZ)
- msleep(xmsec);
- else
- mdelay(xmsec);
-}
-
-/*
* vx_check_reg_bit - wait for the specified bit is set/reset on a register
* @reg: register to check
* @mask: bit mask
@@ -61,10 +49,9 @@ void snd_vx_delay(vx_core_t *chip, int xmsec)
*
* returns zero if a bit matches, or a negative error code.
*/
-int snd_vx_check_reg_bit(vx_core_t *chip, int reg, int mask, int bit, int time)
+int snd_vx_check_reg_bit(struct vx_core *chip, int reg, int mask, int bit, int time)
{
unsigned long end_time = jiffies + (time * HZ + 999) / 1000;
-#ifdef CONFIG_SND_DEBUG
static char *reg_names[VX_REG_MAX] = {
"ICR", "CVR", "ISR", "IVR", "RXH", "RXM", "RXL",
"DMA", "CDSP", "RFREQ", "RUER/V2", "DATA", "MEMIRQ",
@@ -72,16 +59,18 @@ int snd_vx_check_reg_bit(vx_core_t *chip, int reg, int mask, int bit, int time)
"MIC3", "INTCSR", "CNTRL", "GPIOC",
"LOFREQ", "HIFREQ", "CSUER", "RUER"
};
-#endif
+
do {
if ((snd_vx_inb(chip, reg) & mask) == bit)
return 0;
- //snd_vx_delay(chip, 10);
+ //msleep(10);
} while (time_after_eq(end_time, jiffies));
snd_printd(KERN_DEBUG "vx_check_reg_bit: timeout, reg=%s, mask=0x%x, val=0x%x\n", reg_names[reg], mask, snd_vx_inb(chip, reg));
return -EIO;
}
+EXPORT_SYMBOL(snd_vx_check_reg_bit);
+
/*
* vx_send_irq_dsp - set command irq bit
* @num: the requested IRQ type, IRQ_XXX
@@ -90,7 +79,7 @@ int snd_vx_check_reg_bit(vx_core_t *chip, int reg, int mask, int bit, int time)
* returns 0 if successful, or a negative error code.
*
*/
-static int vx_send_irq_dsp(vx_core_t *chip, int num)
+static int vx_send_irq_dsp(struct vx_core *chip, int num)
{
int nirq;
@@ -111,7 +100,7 @@ static int vx_send_irq_dsp(vx_core_t *chip, int num)
*
* returns 0 if successful, or a negative error code.
*/
-static int vx_reset_chk(vx_core_t *chip)
+static int vx_reset_chk(struct vx_core *chip)
{
/* Reset irq CHK */
if (vx_send_irq_dsp(chip, IRQ_RESET_CHK) < 0)
@@ -130,7 +119,7 @@ static int vx_reset_chk(vx_core_t *chip)
* the error code can be VX-specific, retrieved via vx_get_error().
* NB: call with spinlock held!
*/
-static int vx_transfer_end(vx_core_t *chip, int cmd)
+static int vx_transfer_end(struct vx_core *chip, int cmd)
{
int err;
@@ -168,7 +157,7 @@ static int vx_transfer_end(vx_core_t *chip, int cmd)
* the error code can be VX-specific, retrieved via vx_get_error().
* NB: call with spinlock held!
*/
-static int vx_read_status(vx_core_t *chip, struct vx_rmh *rmh)
+static int vx_read_status(struct vx_core *chip, struct vx_rmh *rmh)
{
int i, err, val, size;
@@ -216,7 +205,8 @@ static int vx_read_status(vx_core_t *chip, struct vx_rmh *rmh)
if (size < 1)
return 0;
- snd_assert(size <= SIZE_MAX_STATUS, return -EINVAL);
+ if (snd_BUG_ON(size >= SIZE_MAX_STATUS))
+ return -EINVAL;
for (i = 1; i <= size; i++) {
/* trigger an irq MESS_WRITE_NEXT */
@@ -248,7 +238,7 @@ static int vx_read_status(vx_core_t *chip, struct vx_rmh *rmh)
*
* this function doesn't call spinlock at all.
*/
-int vx_send_msg_nolock(vx_core_t *chip, struct vx_rmh *rmh)
+int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh)
{
int i, err;
@@ -353,7 +343,7 @@ int vx_send_msg_nolock(vx_core_t *chip, struct vx_rmh *rmh)
* returns 0 if successful, or a negative error code.
* see vx_send_msg_nolock().
*/
-int vx_send_msg(vx_core_t *chip, struct vx_rmh *rmh)
+int vx_send_msg(struct vx_core *chip, struct vx_rmh *rmh)
{
unsigned long flags;
int err;
@@ -376,7 +366,7 @@ int vx_send_msg(vx_core_t *chip, struct vx_rmh *rmh)
*
* unlike RMH, no command is sent to DSP.
*/
-int vx_send_rih_nolock(vx_core_t *chip, int cmd)
+int vx_send_rih_nolock(struct vx_core *chip, int cmd)
{
int err;
@@ -413,7 +403,7 @@ int vx_send_rih_nolock(vx_core_t *chip, int cmd)
*
* see vx_send_rih_nolock().
*/
-int vx_send_rih(vx_core_t *chip, int cmd)
+int vx_send_rih(struct vx_core *chip, int cmd)
{
unsigned long flags;
int err;
@@ -430,19 +420,22 @@ int vx_send_rih(vx_core_t *chip, int cmd)
* snd_vx_boot_xilinx - boot up the xilinx interface
* @boot: the boot record to load
*/
-int snd_vx_load_boot_image(vx_core_t *chip, const struct firmware *boot)
+int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *boot)
{
unsigned int i;
int no_fillup = vx_has_new_dsp(chip);
/* check the length of boot image */
- snd_assert(boot->size > 0, return -EINVAL);
- snd_assert(boot->size % 3 == 0, return -EINVAL);
+ if (boot->size <= 0)
+ return -EINVAL;
+ if (boot->size % 3)
+ return -EINVAL;
#if 0
{
/* more strict check */
unsigned int c = ((u32)boot->data[0] << 16) | ((u32)boot->data[1] << 8) | boot->data[2];
- snd_assert(boot->size == (c + 2) * 3, return -EINVAL);
+ if (boot->size != (c + 2) * 3)
+ return -EINVAL;
}
#endif
@@ -464,7 +457,7 @@ int snd_vx_load_boot_image(vx_core_t *chip, const struct firmware *boot)
vx_outb(chip, TXM, 0);
vx_outb(chip, TXL, 0);
} else {
- unsigned char *image = boot->data + i;
+ const unsigned char *image = boot->data + i;
if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) {
snd_printk(KERN_ERR "dsp boot failed at %d\n", i);
return -EIO;
@@ -477,12 +470,14 @@ int snd_vx_load_boot_image(vx_core_t *chip, const struct firmware *boot)
return 0;
}
+EXPORT_SYMBOL(snd_vx_load_boot_image);
+
/*
* vx_test_irq_src - query the source of interrupts
*
* called from irq handler only
*/
-static int vx_test_irq_src(vx_core_t *chip, unsigned int *ret)
+static int vx_test_irq_src(struct vx_core *chip, unsigned int *ret)
{
int err;
@@ -503,7 +498,7 @@ static int vx_test_irq_src(vx_core_t *chip, unsigned int *ret)
*/
static void vx_interrupt(unsigned long private_data)
{
- vx_core_t *chip = (vx_core_t *) private_data;
+ struct vx_core *chip = (struct vx_core *) private_data;
unsigned int events;
if (chip->chip_status & VX_STAT_IS_STALE)
@@ -545,24 +540,26 @@ static void vx_interrupt(unsigned long private_data)
/**
* snd_vx_irq_handler - interrupt handler
*/
-irqreturn_t snd_vx_irq_handler(int irq, void *dev, struct pt_regs *regs)
+irqreturn_t snd_vx_irq_handler(int irq, void *dev)
{
- vx_core_t *chip = dev;
+ struct vx_core *chip = dev;
if (! (chip->chip_status & VX_STAT_CHIP_INIT) ||
(chip->chip_status & VX_STAT_IS_STALE))
return IRQ_NONE;
if (! vx_test_and_ack(chip))
- tasklet_hi_schedule(&chip->tq);
+ tasklet_schedule(&chip->tq);
return IRQ_HANDLED;
}
+EXPORT_SYMBOL(snd_vx_irq_handler);
/*
*/
-static void vx_reset_board(vx_core_t *chip, int cold_reset)
+static void vx_reset_board(struct vx_core *chip, int cold_reset)
{
- snd_assert(chip->ops->reset_board, return);
+ if (snd_BUG_ON(!chip->ops->reset_board))
+ return;
/* current source, later sync'ed with target */
chip->audio_source = VX_AUDIO_SRC_LINE;
@@ -599,9 +596,9 @@ static void vx_reset_board(vx_core_t *chip, int cold_reset)
* proc interface
*/
-static void vx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void vx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
- vx_core_t *chip = entry->private_data;
+ struct vx_core *chip = entry->private_data;
static char *audio_src_vxp[] = { "Line", "Mic", "Digital" };
static char *audio_src_vx2[] = { "Analog", "Analog", "Digital" };
static char *clock_mode[] = { "Auto", "Internal", "External" };
@@ -642,19 +639,19 @@ static void vx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
chip->ibl.granularity);
}
-static void vx_proc_init(vx_core_t *chip)
+static void vx_proc_init(struct vx_core *chip)
{
- snd_info_entry_t *entry;
+ struct snd_info_entry *entry;
if (! snd_card_proc_new(chip->card, "vx-status", &entry))
- snd_info_set_text_ops(entry, chip, 1024, vx_proc_read);
+ snd_info_set_text_ops(entry, chip, vx_proc_read);
}
/**
* snd_vx_dsp_boot - load the DSP boot
*/
-int snd_vx_dsp_boot(vx_core_t *chip, const struct firmware *boot)
+int snd_vx_dsp_boot(struct vx_core *chip, const struct firmware *boot)
{
int err;
int cold_reset = !(chip->chip_status & VX_STAT_DEVICE_INIT);
@@ -664,22 +661,25 @@ int snd_vx_dsp_boot(vx_core_t *chip, const struct firmware *boot)
if ((err = snd_vx_load_boot_image(chip, boot)) < 0)
return err;
- snd_vx_delay(chip, 10);
+ msleep(10);
return 0;
}
+EXPORT_SYMBOL(snd_vx_dsp_boot);
+
/**
* snd_vx_dsp_load - load the DSP image
*/
-int snd_vx_dsp_load(vx_core_t *chip, const struct firmware *dsp)
+int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp)
{
unsigned int i;
int err;
unsigned int csum = 0;
- unsigned char *image, *cptr;
+ const unsigned char *image, *cptr;
- snd_assert(dsp->size % 3 == 0, return -EINVAL);
+ if (dsp->size % 3)
+ return -EINVAL;
vx_toggle_dac_mute(chip, 1);
@@ -688,7 +688,8 @@ int snd_vx_dsp_load(vx_core_t *chip, const struct firmware *dsp)
image = dsp->data + i;
/* Wait DSP ready for a new read */
if ((err = vx_wait_isr_bit(chip, ISR_TX_EMPTY)) < 0) {
- printk("dsp loading error at position %d\n", i);
+ printk(KERN_ERR
+ "dsp loading error at position %d\n", i);
return err;
}
cptr = image;
@@ -704,7 +705,7 @@ int snd_vx_dsp_load(vx_core_t *chip, const struct firmware *dsp)
}
snd_printdd(KERN_DEBUG "checksum = 0x%08x\n", csum);
- snd_vx_delay(chip, 200);
+ msleep(200);
if ((err = vx_wait_isr_bit(chip, ISR_CHK)) < 0)
return err;
@@ -717,17 +718,17 @@ int snd_vx_dsp_load(vx_core_t *chip, const struct firmware *dsp)
return 0;
}
+EXPORT_SYMBOL(snd_vx_dsp_load);
+
#ifdef CONFIG_PM
/*
* suspend
*/
-static int snd_vx_suspend(snd_card_t *card, pm_message_t state)
+int snd_vx_suspend(struct vx_core *chip)
{
- vx_core_t *chip = card->pm_private_data;
unsigned int i;
- snd_assert(chip, return -EINVAL);
-
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
chip->chip_status |= VX_STAT_IN_SUSPEND;
for (i = 0; i < chip->hw->num_codecs; i++)
snd_pcm_suspend_all(chip->pcm[i]);
@@ -735,16 +736,15 @@ static int snd_vx_suspend(snd_card_t *card, pm_message_t state)
return 0;
}
+EXPORT_SYMBOL(snd_vx_suspend);
+
/*
* resume
*/
-static int snd_vx_resume(snd_card_t *card)
+int snd_vx_resume(struct vx_core *chip)
{
- vx_core_t *chip = card->pm_private_data;
int i, err;
- snd_assert(chip, return -EINVAL);
-
chip->chip_status &= ~VX_STAT_CHIP_INIT;
for (i = 0; i < 4; i++) {
@@ -760,13 +760,15 @@ static int snd_vx_resume(snd_card_t *card)
chip->chip_status |= VX_STAT_CHIP_INIT;
chip->chip_status &= ~VX_STAT_IN_SUSPEND;
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
return 0;
}
+EXPORT_SYMBOL(snd_vx_resume);
#endif
/**
- * snd_vx_create - constructor for vx_core_t
+ * snd_vx_create - constructor for struct vx_core
* @hw: hardware specific record
*
* this function allocates the instance and prepare for the hardware
@@ -774,13 +776,14 @@ static int snd_vx_resume(snd_card_t *card)
*
* return the instance pointer if successful, NULL in error.
*/
-vx_core_t *snd_vx_create(snd_card_t *card, struct snd_vx_hardware *hw,
- struct snd_vx_ops *ops,
- int extra_size)
+struct vx_core *snd_vx_create(struct snd_card *card, struct snd_vx_hardware *hw,
+ struct snd_vx_ops *ops,
+ int extra_size)
{
- vx_core_t *chip;
+ struct vx_core *chip;
- snd_assert(card && hw && ops, return NULL);
+ if (snd_BUG_ON(!card || !hw || !ops))
+ return NULL;
chip = kzalloc(sizeof(*chip) + extra_size, GFP_KERNEL);
if (! chip) {
@@ -794,20 +797,20 @@ vx_core_t *snd_vx_create(snd_card_t *card, struct snd_vx_hardware *hw,
chip->type = hw->type;
chip->ops = ops;
tasklet_init(&chip->tq, vx_interrupt, (unsigned long)chip);
- init_MUTEX(&chip->mixer_mutex);
+ mutex_init(&chip->mixer_mutex);
chip->card = card;
card->private_data = chip;
strcpy(card->driver, hw->name);
sprintf(card->shortname, "Digigram %s", hw->name);
- snd_card_set_pm_callback(card, snd_vx_suspend, snd_vx_resume, chip);
-
vx_proc_init(chip);
return chip;
}
+EXPORT_SYMBOL(snd_vx_create);
+
/*
* module entries
*/
@@ -822,16 +825,3 @@ static void __exit alsa_vx_core_exit(void)
module_init(alsa_vx_core_init)
module_exit(alsa_vx_core_exit)
-
-/*
- * exports
- */
-EXPORT_SYMBOL(snd_vx_check_reg_bit);
-EXPORT_SYMBOL(snd_vx_create);
-EXPORT_SYMBOL(snd_vx_setup_firmware);
-EXPORT_SYMBOL(snd_vx_free_firmware);
-EXPORT_SYMBOL(snd_vx_irq_handler);
-EXPORT_SYMBOL(snd_vx_delay);
-EXPORT_SYMBOL(snd_vx_dsp_boot);
-EXPORT_SYMBOL(snd_vx_dsp_load);
-EXPORT_SYMBOL(snd_vx_load_boot_image);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 23:02:50 +0000