#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/moduleparam.h>
struct snd_pcm *pcm;
struct pci_dev *pci;
- struct m3_quirk *quirk;
- struct m3_hv_quirk *hv_quirk;
+ const struct m3_quirk *quirk;
+ const struct m3_hv_quirk *hv_quirk;
int dacs_active;
int timer_users;
MODULE_DEVICE_TABLE(pci, snd_m3_ids);
-static struct m3_quirk m3_quirk_list[] = {
+static const struct m3_quirk m3_quirk_list[] = {
/* panasonic CF-28 "toughbook" */
{
.name = "Panasonic CF-28",
};
/* These values came from the Windows driver. */
-static struct m3_hv_quirk m3_hv_quirk_list[] = {
+static const struct m3_hv_quirk m3_hv_quirk_list[] = {
/* Allegro chips */
{ 0x125D, 0x1988, 0x0E11, 0x002E, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
{ 0x125D, 0x1988, 0x0E11, 0x0094, HV_CTRL_ENABLE | HV_BUTTON_FROM_GD, 0 },
}
-static struct play_vals {
+static const struct play_vals {
u16 addr, val;
} pv[] = {
{CDATA_LEFT_VOLUME, ARB_VOLUME},
/*
* Native record driver
*/
-static struct rec_vals {
+static const struct rec_vals {
u16 addr, val;
} rv[] = {
{CDATA_LEFT_VOLUME, ARB_VOLUME},
if (! s->running)
return;
- hwptr = snd_m3_get_pointer(chip, s, subs) % s->dma_size;
- diff = (s->dma_size + hwptr - s->hwptr) % s->dma_size;
+ hwptr = snd_m3_get_pointer(chip, s, subs);
+
+ /* try to avoid expensive modulo divisions */
+ if (hwptr >= s->dma_size)
+ hwptr %= s->dma_size;
+
+ diff = s->dma_size + hwptr - s->hwptr;
+ if (diff >= s->dma_size)
+ diff %= s->dma_size;
+
s->hwptr = hwptr;
s->count += diff;
+
if (s->count >= (signed)s->period_size) {
- s->count %= s->period_size;
+
+ if (s->count < 2 * (signed)s->period_size)
+ s->count -= (signed)s->period_size;
+ else
+ s->count %= s->period_size;
+
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(subs);
spin_lock(&chip->reg_lock);
spin_unlock_irqrestore(&chip->ac97_lock, flags);
}
-static irqreturn_t
-snd_m3_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t snd_m3_interrupt(int irq, void *dev_id)
{
struct snd_m3 *chip = dev_id;
u8 status;
do {
if (! (snd_m3_inb(chip, 0x30) & 1))
return 0;
+ cpu_relax();
} while (i-- > 0);
snd_printk(KERN_ERR "ac97 serial bus busy\n");
{
struct snd_m3 *chip = ac97->private_data;
unsigned long flags;
- unsigned short data;
+ unsigned short data = 0xffff;
if (snd_m3_ac97_wait(chip))
- return 0xffff;
+ goto fail;
spin_lock_irqsave(&chip->ac97_lock, flags);
snd_m3_outb(chip, 0x80 | (reg & 0x7f), CODEC_COMMAND);
if (snd_m3_ac97_wait(chip))
- return 0xffff;
+ goto fail_unlock;
data = snd_m3_inw(chip, CODEC_DATA);
+fail_unlock:
spin_unlock_irqrestore(&chip->ac97_lock, flags);
+fail:
return data;
}
* DSP Code images
*/
-static u16 assp_kernel_image[] __devinitdata = {
+static const u16 assp_kernel_image[] = {
0x7980, 0x0030, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x00FB, 0x7980, 0x00DD, 0x7980, 0x03B4,
0x7980, 0x0332, 0x7980, 0x0287, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4,
0x7980, 0x031A, 0x7980, 0x03B4, 0x7980, 0x022F, 0x7980, 0x03B4, 0x7980, 0x03B4, 0x7980, 0x03B4,
* Mini sample rate converter code image
* that is to be loaded at 0x400 on the DSP.
*/
-static u16 assp_minisrc_image[] __devinitdata = {
+static const u16 assp_minisrc_image[] = {
0xBF80, 0x101E, 0x906E, 0x006E, 0x8B88, 0x6980, 0xEF88, 0x906F, 0x0D6F, 0x6900, 0xEB08, 0x0412,
0xBC20, 0x696E, 0xB801, 0x906E, 0x7980, 0x0403, 0xB90E, 0x8807, 0xBE43, 0xBF01, 0xBE47, 0xBE41,
*/
#define MINISRC_LPF_LEN 10
-static u16 minisrc_lpf[MINISRC_LPF_LEN] __devinitdata = {
+static const u16 minisrc_lpf[MINISRC_LPF_LEN] = {
0X0743, 0X1104, 0X0A4C, 0XF88D, 0X242C,
0X1023, 0X1AA9, 0X0B60, 0XEFDD, 0X186F
};
-static void __devinit snd_m3_assp_init(struct snd_m3 *chip)
+static void snd_m3_assp_init(struct snd_m3 *chip)
{
unsigned int i;
*/
/*
- * align instance address to 256 bytes so that it's
+ * align instance address to 256 bytes so that its
* shifted list address is aligned.
* list address = (mem address >> 1) >> 7;
*/
- data_bytes = (data_bytes + 255) & ~255;
+ data_bytes = ALIGN(data_bytes, 256);
address = 0x1100 + ((data_bytes/2) * index);
if ((address + (data_bytes/2)) >= 0x1c00) {
chip->suspend_mem[index++] =
snd_m3_assp_read(chip, MEMTYPE_INTERNAL_DATA, i);
- /* power down apci registers */
- snd_m3_outw(chip, 0xffff, 0x54);
- snd_m3_outw(chip, 0xffff, 0x56);
-
pci_disable_device(pci);
pci_save_state(pci);
+ pci_set_power_state(pci, pci_choose_state(pci, state));
return 0;
}
if (chip->suspend_mem == NULL)
return 0;
+ pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
- pci_enable_device(pci);
+ if (pci_enable_device(pci) < 0) {
+ printk(KERN_ERR "maestor3: pci_enable_device failed, "
+ "disabling device\n");
+ snd_card_disconnect(card);
+ return -EIO;
+ }
pci_set_master(pci);
/* first lets just bring everything back. .*/
{
struct snd_m3 *chip;
int i, err;
- struct m3_quirk *quirk;
- struct m3_hv_quirk *hv_quirk;
+ const struct m3_quirk *quirk;
+ const struct m3_hv_quirk *hv_quirk;
static struct snd_device_ops ops = {
.dev_free = snd_m3_dev_free,
};
return -EIO;
/* check, if we can restrict PCI DMA transfers to 28 bits */
- if (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
- pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) {
+ if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
tasklet_init(&chip->hwvol_tq, snd_m3_update_hw_volume, (unsigned long)chip);
- if (request_irq(pci->irq, snd_m3_interrupt, SA_INTERRUPT|SA_SHIRQ,
+ if (request_irq(pci->irq, snd_m3_interrupt, IRQF_SHARED,
card->driver, chip)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
snd_m3_free(chip);
}
#if 0 /* TODO: not supported yet */
- /* TODO enable midi irq and i/o */
+ /* TODO enable MIDI IRQ and I/O */
err = snd_mpu401_uart_new(chip->card, 0, MPU401_HW_MPU401,
- chip->iobase + MPU401_DATA_PORT, 1,
+ chip->iobase + MPU401_DATA_PORT,
+ MPU401_INFO_INTEGRATED,
chip->irq, 0, &chip->rmidi);
if (err < 0)
- printk(KERN_WARNING "maestro3: no midi support.\n");
+ printk(KERN_WARNING "maestro3: no MIDI support.\n");
#endif
pci_set_drvdata(pci, card);
git://git.onelab.eu / linux-2.6.git / blobdiff