*
* Lock order (high->low)
* lock - hardware lock
- * open_sem - guard opens
+ * open_mutex - guard opens
* sem - guard dmabuf, write re-entry etc
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/ctype.h>
#include <linux/pm.h>
#include <linux/gameport.h>
#include <linux/kernel.h>
+#include <linux/mutex.h>
+#include <linux/mm.h>
+
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/dma.h>
unsigned chans_num;
unsigned long fmt_flag;
/* Guard against mmap/write/read races */
- struct semaphore sem;
+ struct mutex sem;
};
struct trident_card *next;
/* single open lock mechanism, only used for recording */
- struct semaphore open_sem;
+ struct mutex open_mutex;
/* The trident has a certain amount of cross channel interaction
so we use a single per card lock */
static void ali_enable_special_channel(struct trident_state *stat);
static struct trident_channel *ali_alloc_rec_pcm_channel(struct trident_card *card);
static struct trident_channel *ali_alloc_pcm_channel(struct trident_card *card);
-static void ali_restore_regs(struct trident_card *card);
-static void ali_save_regs(struct trident_card *card);
-static int trident_suspend(struct pci_dev *dev, pm_message_t unused);
-static int trident_resume(struct pci_dev *dev);
static void ali_free_pcm_channel(struct trident_card *card, unsigned int channel);
static int ali_setup_multi_channels(struct trident_card *card, int chan_nums);
static unsigned int ali_get_spdif_in_rate(struct trident_card *card);
int chan_nums);
static void ali_free_other_states_resources(struct trident_state *state);
-/* save registers for ALi Power Management */
-static struct ali_saved_registers {
- unsigned long global_regs[ALI_GLOBAL_REGS];
- unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
- unsigned mixer_regs[ALI_MIXER_REGS];
-} ali_registers;
-
#define seek_offset(dma_ptr, buffer, cnt, offset, copy_count) do { \
(dma_ptr) += (offset); \
(buffer) += (offset); \
}
static irqreturn_t
-trident_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+trident_interrupt(int irq, void *dev_id)
{
struct trident_card *card = (struct trident_card *) dev_id;
u32 event;
unsigned swptr;
int cnt;
- pr_debug("trident: trident_read called, count = %d\n", count);
+ pr_debug("trident: trident_read called, count = %zd\n", count);
VALIDATE_STATE(state);
if (!access_ok(VERIFY_WRITE, buffer, count))
return -EFAULT;
- down(&state->sem);
+ mutex_lock(&state->sem);
if (!dmabuf->ready && (ret = prog_dmabuf_record(state)))
goto out;
goto out;
}
- up(&state->sem);
+ mutex_unlock(&state->sem);
/* No matter how much space left in the buffer, */
/* we have to wait until CSO == ESO/2 or CSO == ESO */
/* when address engine interrupts */
ret = -ERESTARTSYS;
goto out;
}
- down(&state->sem);
+ mutex_lock(&state->sem);
if (dmabuf->mapped) {
if (!ret)
ret = -ENXIO;
start_adc(state);
}
out:
- up(&state->sem);
+ mutex_unlock(&state->sem);
return ret;
}
unsigned int copy_count;
int lret; /* for lock_set_fmt */
- pr_debug("trident: trident_write called, count = %d\n", count);
+ pr_debug("trident: trident_write called, count = %zd\n", count);
VALIDATE_STATE(state);
* Guard against an mmap or ioctl while writing
*/
- down(&state->sem);
+ mutex_lock(&state->sem);
if (dmabuf->mapped) {
ret = -ENXIO;
tmo = (dmabuf->dmasize * HZ) / (dmabuf->rate * 2);
tmo >>= sample_shift[dmabuf->fmt];
unlock_set_fmt(state);
- up(&state->sem);
+ mutex_unlock(&state->sem);
/* There are two situations when sleep_on_timeout */
/* returns, one is when the interrupt is serviced */
ret = -ERESTARTSYS;
goto out_nolock;
}
- down(&state->sem);
+ mutex_lock(&state->sem);
if (dmabuf->mapped) {
if (!ret)
ret = -ENXIO;
start_dac(state);
}
out:
- up(&state->sem);
+ mutex_unlock(&state->sem);
out_nolock:
return ret;
}
* prog_dmabuf events
*/
- down(&state->sem);
+ mutex_lock(&state->sem);
if (file->f_mode & FMODE_WRITE) {
if (!dmabuf->ready && prog_dmabuf_playback(state)) {
- up(&state->sem);
+ mutex_unlock(&state->sem);
return 0;
}
poll_wait(file, &dmabuf->wait, wait);
}
if (file->f_mode & FMODE_READ) {
if (!dmabuf->ready && prog_dmabuf_record(state)) {
- up(&state->sem);
+ mutex_unlock(&state->sem);
return 0;
}
poll_wait(file, &dmabuf->wait, wait);
}
- up(&state->sem);
+ mutex_unlock(&state->sem);
spin_lock_irqsave(&state->card->lock, flags);
trident_update_ptr(state);
* a read or write against an mmap.
*/
- down(&state->sem);
+ mutex_lock(&state->sem);
if (vma->vm_flags & VM_WRITE) {
if ((ret = prog_dmabuf_playback(state)) != 0)
dmabuf->mapped = 1;
ret = 0;
out:
- up(&state->sem);
+ mutex_unlock(&state->sem);
return ret;
}
unlock_set_fmt(state);
break;
}
- down(&state->card->open_sem);
+ mutex_lock(&state->card->open_mutex);
ret = ali_allocate_other_states_resources(state, 6);
if (ret < 0) {
- up(&state->card->open_sem);
+ mutex_unlock(&state->card->open_mutex);
unlock_set_fmt(state);
break;
}
state->card->multi_channel_use_count++;
- up(&state->card->open_sem);
+ mutex_unlock(&state->card->open_mutex);
} else
val = 2; /*yield to 2-channels */
} else
/* find an available virtual channel (instance of /dev/dsp) */
while (card != NULL) {
- down(&card->open_sem);
+ mutex_lock(&card->open_mutex);
if (file->f_mode & FMODE_READ) {
/* Skip opens on cards that are in 6 channel mode */
if (card->multi_channel_use_count > 0) {
- up(&card->open_sem);
+ mutex_unlock(&card->open_mutex);
card = card->next;
continue;
}
if (card->states[i] == NULL) {
state = card->states[i] = kmalloc(sizeof(*state), GFP_KERNEL);
if (state == NULL) {
- up(&card->open_sem);
+ mutex_unlock(&card->open_mutex);
return -ENOMEM;
}
memset(state, 0, sizeof(*state));
- init_MUTEX(&state->sem);
+ mutex_init(&state->sem);
dmabuf = &state->dmabuf;
goto found_virt;
}
}
- up(&card->open_sem);
+ mutex_unlock(&card->open_mutex);
card = card->next;
}
/* no more virtual channel avaiable */
}
state->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
- up(&card->open_sem);
+ mutex_unlock(&card->open_mutex);
pr_debug("trident: open virtual channel %d, hard channel %d\n",
state->virt, dmabuf->channel->num);
state->virt, dmabuf->channel->num);
/* stop DMA state machine and free DMA buffers/channels */
- down(&card->open_sem);
+ mutex_lock(&card->open_mutex);
if (file->f_mode & FMODE_WRITE) {
stop_dac(state);
card->states[state->virt] = NULL;
kfree(state);
- /* we're covered by the open_sem */
- up(&card->open_sem);
+ /* we're covered by the open_mutex */
+ mutex_unlock(&card->open_mutex);
return 0;
}
char temp;
struct pci_dev *pci_dev = NULL;
- pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
- pci_dev);
+ pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
+ pci_dev);
if (pci_dev == NULL)
return;
pci_read_config_byte(pci_dev, 0x61, &temp);
temp |= 0x10;
pci_write_config_byte(pci_dev, 0x7e, temp);
+ pci_dev_put(pci_dev);
+
ch = inb(TRID_REG(card, ALI_SCTRL));
outb(ch | ALI_SPDIF_OUT_ENABLE, TRID_REG(card, ALI_SCTRL));
ch = inb(TRID_REG(card, ALI_SPDIF_CTRL));
char temp = 0;
struct pci_dev *pci_dev = NULL;
- pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
- pci_dev);
+ pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
+ pci_dev);
if (pci_dev == NULL)
return -1;
+
pci_read_config_byte(pci_dev, 0x59, &temp);
temp &= ~0x80;
pci_write_config_byte(pci_dev, 0x59, temp);
- pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
- pci_dev);
+ pci_dev_put(pci_dev);
+
+ pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
+ NULL);
if (pci_dev == NULL)
return -1;
temp &= ~0x20;
pci_write_config_byte(pci_dev, 0xB8, temp);
+ pci_dev_put(pci_dev);
+
return 0;
}
char temp = 0;
struct pci_dev *pci_dev = NULL;
- pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
- pci_dev);
+ pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
+ pci_dev);
if (pci_dev == NULL)
return -1;
pci_read_config_byte(pci_dev, 0x59, &temp);
temp |= 0x80;
pci_write_config_byte(pci_dev, 0x59, temp);
- pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
- pci_dev);
+ pci_dev_put(pci_dev);
+
+ pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
+ NULL);
if (pci_dev == NULL)
return -1;
pci_read_config_byte(pci_dev, (int) 0xB8, &temp);
temp |= 0x20;
pci_write_config_byte(pci_dev, (int) 0xB8, (u8) temp);
+
+ pci_dev_put(pci_dev);
+
if (chan_nums == 6) {
dwValue = inl(TRID_REG(card, ALI_SCTRL)) | 0x000f0000;
outl(dwValue, TRID_REG(card, ALI_SCTRL));
return 0;
}
+#ifdef CONFIG_PM
+/* save registers for ALi Power Management */
+static struct ali_saved_registers {
+ unsigned long global_regs[ALI_GLOBAL_REGS];
+ unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
+ unsigned mixer_regs[ALI_MIXER_REGS];
+} ali_registers;
+
static void
ali_save_regs(struct trident_card *card)
{
}
return 0;
}
+#endif
static struct trident_channel *
ali_alloc_pcm_channel(struct trident_card *card)
unsigned int dwVal;
unsigned short wCount, wReg;
- pci_dev = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
- pci_dev);
+ pci_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
+ pci_dev);
if (pci_dev == NULL)
return -1;
pci_read_config_dword(pci_dev, 0x7c, &dwVal);
pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
udelay(5000);
+ pci_dev_put(pci_dev);
pci_dev = card->pci_dev;
if (pci_dev == NULL)
init_timer(&card->timer);
card->iobase = iobase;
- card->pci_dev = pci_dev;
+ card->pci_dev = pci_dev_get(pci_dev);
card->pci_id = pci_id->device;
card->revision = revision;
card->irq = pci_dev->irq;
card->banks[BANK_B].addresses = &bank_b_addrs;
card->banks[BANK_B].bitmap = 0UL;
- init_MUTEX(&card->open_sem);
+ mutex_init(&card->open_mutex);
spin_lock_init(&card->lock);
init_timer(&card->timer);
/* claim our irq */
rc = -ENODEV;
- if (request_irq(card->irq, &trident_interrupt, SA_SHIRQ,
+ if (request_irq(card->irq, &trident_interrupt, IRQF_SHARED,
card_names[pci_id->driver_data], card)) {
printk(KERN_ERR "trident: unable to allocate irq %d\n",
card->irq);
out_free_irq:
free_irq(card->irq, card);
out_proc_fs:
+ pci_dev_put(card->pci_dev);
if (res) {
remove_proc_entry("ALi5451", NULL);
res = NULL;
}
unregister_sound_dsp(card->dev_audio);
- kfree(card);
-
pci_set_drvdata(pci_dev, NULL);
+ pci_dev_put(card->pci_dev);
+ kfree(card);
}
MODULE_AUTHOR("Alan Cox, Aaron Holtzman, Ollie Lho, Ching Ling Lee, Muli Ben-Yehuda");
.id_table = trident_pci_tbl,
.probe = trident_probe,
.remove = __devexit_p(trident_remove),
+#ifdef CONFIG_PM
.suspend = trident_suspend,
.resume = trident_resume
+#endif
};
static int __init