#include <linux/spinlock.h>
#include <linux/smp_lock.h>
#include <linux/ac97_codec.h>
+#include <linux/bitops.h>
#include <asm/uaccess.h>
-#include <asm/hardirq.h>
-#ifndef PCI_DEVICE_ID_INTEL_82801
-#define PCI_DEVICE_ID_INTEL_82801 0x2415
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_82901
-#define PCI_DEVICE_ID_INTEL_82901 0x2425
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ICH2
-#define PCI_DEVICE_ID_INTEL_ICH2 0x2445
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ICH3
-#define PCI_DEVICE_ID_INTEL_ICH3 0x2485
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ICH4
-#define PCI_DEVICE_ID_INTEL_ICH4 0x24c5
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ICH5
-#define PCI_DEVICE_ID_INTEL_ICH5 0x24d5
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ICH6_3
-#define PCI_DEVICE_ID_INTEL_ICH6_3 0x266e
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_440MX
-#define PCI_DEVICE_ID_INTEL_440MX 0x7195
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ESB_5
-#define PCI_DEVICE_ID_INTEL_ESB_5 0x25a6
-#endif
-#ifndef PCI_DEVICE_ID_SI_7012
-#define PCI_DEVICE_ID_SI_7012 0x7012
-#endif
-#ifndef PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO
-#define PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO 0x01b1
-#endif
-#ifndef PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO
-#define PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO 0x006a
-#endif
-#ifndef PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO
-#define PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO 0x00da
-#endif
-#ifndef PCI_DEVICE_ID_AMD_768_AUDIO
-#define PCI_DEVICE_ID_AMD_768_AUDIO 0x7445
-#endif
-#ifndef PCI_DEVICE_ID_AMD_8111_AC97
-#define PCI_DEVICE_ID_AMD_8111_AC97 0x746d
-#endif
+#define DRIVER_VERSION "1.01"
+
+#define MODULOP2(a, b) ((a) & ((b) - 1))
+#define MASKP2(a, b) ((a) & ~((b) - 1))
static int ftsodell;
static int strict_clocking;
#define ENUM_ENGINE(PRE,DIG) \
enum { \
+ PRE##_BASE = 0x##DIG##0, /* Base Address */ \
PRE##_BDBAR = 0x##DIG##0, /* Buffer Descriptor list Base Address */ \
PRE##_CIV = 0x##DIG##4, /* Current Index Value */ \
PRE##_LVI = 0x##DIG##5, /* Last Valid Index */ \
#define INT_GPI (1<<0)
#define INT_MASK (INT_SEC|INT_PRI|INT_MC|INT_PO|INT_PI|INT_MO|INT_NI|INT_GPI)
-#define DRIVER_VERSION "0.24"
-
/* magic numbers to protect our data structures */
#define I810_CARD_MAGIC 0x5072696E /* "Prin" */
#define I810_STATE_MAGIC 0x63657373 /* "cess" */
};
static struct pci_device_id i810_pci_tbl [] = {
- {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801,
+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_5,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, ICH82801AA},
- {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82901,
+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_5,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, ICH82901AB},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_440MX,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, INTEL440MX},
- {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH2,
+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_4,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, INTELICH2},
- {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH3,
+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_5,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, INTELICH3},
- {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH4,
+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_5,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, INTELICH4},
- {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH5,
+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_5,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, INTELICH5},
{PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7012,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, SI7012},
PCI_ANY_ID, PCI_ANY_ID, 0, 0, NVIDIA_NFORCE},
{PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, NVIDIA_NFORCE},
- {PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_768_AUDIO,
+ {PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_OPUS_7445,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, AMD768},
- {PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_AC97,
+ {PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_AUDIO,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, AMD8111},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_5,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, INTELICH4},
- {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_3,
+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_18,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, INTELICH4},
{0,}
/* extract register offset from codec struct */
#define IO_REG_OFF(codec) (((struct i810_card *) codec->private_data)->ac97_id_map[codec->id])
+#define I810_IOREAD(size, type, card, off) \
+({ \
+ type val; \
+ if (card->use_mmio) \
+ val=read##size(card->iobase_mmio+off); \
+ else \
+ val=in##size(card->iobase+off); \
+ val; \
+})
+
+#define I810_IOREADL(card, off) I810_IOREAD(l, u32, card, off)
+#define I810_IOREADW(card, off) I810_IOREAD(w, u16, card, off)
+#define I810_IOREADB(card, off) I810_IOREAD(b, u8, card, off)
+
+#define I810_IOWRITE(size, val, card, off) \
+({ \
+ if (card->use_mmio) \
+ write##size(val, card->iobase_mmio+off); \
+ else \
+ out##size(val, card->iobase+off); \
+})
+
+#define I810_IOWRITEL(val, card, off) I810_IOWRITE(l, val, card, off)
+#define I810_IOWRITEW(val, card, off) I810_IOWRITE(w, val, card, off)
+#define I810_IOWRITEB(val, card, off) I810_IOWRITE(b, val, card, off)
+
+#define GET_CIV(card, port) MODULOP2(I810_IOREADB((card), (port) + OFF_CIV), SG_LEN)
+#define GET_LVI(card, port) MODULOP2(I810_IOREADB((card), (port) + OFF_LVI), SG_LEN)
+
/* set LVI from CIV */
-#define CIV_TO_LVI(port, off) outb((inb(port+OFF_CIV)+off) & 31, port+OFF_LVI)
+#define CIV_TO_LVI(card, port, off) \
+ I810_IOWRITEB(MODULOP2(GET_CIV((card), (port)) + (off), SG_LEN), (card), (port) + OFF_LVI)
static struct i810_card *devs = NULL;
return 0;
if (rec)
- port = state->card->iobase + dmabuf->read_channel->port;
+ port = dmabuf->read_channel->port;
else
- port = state->card->iobase + dmabuf->write_channel->port;
+ port = dmabuf->write_channel->port;
if(state->card->pci_id == PCI_DEVICE_ID_SI_7012) {
port_picb = port + OFF_SR;
port_picb = port + OFF_PICB;
do {
- civ = inb(port+OFF_CIV) & 31;
- offset = inw(port_picb);
+ civ = GET_CIV(state->card, port);
+ offset = I810_IOREADW(state->card, port_picb);
/* Must have a delay here! */
if(offset == 0)
udelay(1);
* that we won't have to worry about the chip still being
* out of sync with reality ;-)
*/
- } while (civ != (inb(port+OFF_CIV) & 31) || offset != inw(port_picb));
+ } while (civ != GET_CIV(state->card, port) || offset != I810_IOREADW(state->card, port_picb));
return (((civ + 1) * dmabuf->fragsize - (bytes * offset))
% dmabuf->dmasize);
struct i810_card *card = state->card;
dmabuf->enable &= ~ADC_RUNNING;
- outb(0, card->iobase + PI_CR);
+ I810_IOWRITEB(0, card, PI_CR);
// wait for the card to acknowledge shutdown
- while( inb(card->iobase + PI_CR) != 0 ) ;
+ while( I810_IOREADB(card, PI_CR) != 0 ) ;
// now clear any latent interrupt bits (like the halt bit)
if(card->pci_id == PCI_DEVICE_ID_SI_7012)
- outb( inb(card->iobase + PI_PICB), card->iobase + PI_PICB );
+ I810_IOWRITEB( I810_IOREADB(card, PI_PICB), card, PI_PICB );
else
- outb( inb(card->iobase + PI_SR), card->iobase + PI_SR );
- outl( inl(card->iobase + GLOB_STA) & INT_PI, card->iobase + GLOB_STA);
+ I810_IOWRITEB( I810_IOREADB(card, PI_SR), card, PI_SR );
+ I810_IOWRITEL( I810_IOREADL(card, GLOB_STA) & INT_PI, card, GLOB_STA);
}
static void stop_adc(struct i810_state *state)
(dmabuf->trigger & PCM_ENABLE_INPUT)) {
dmabuf->enable |= ADC_RUNNING;
// Interrupt enable, LVI enable, DMA enable
- outb(0x10 | 0x04 | 0x01, state->card->iobase + PI_CR);
+ I810_IOWRITEB(0x10 | 0x04 | 0x01, state->card, PI_CR);
}
}
struct i810_card *card = state->card;
dmabuf->enable &= ~DAC_RUNNING;
- outb(0, card->iobase + PO_CR);
+ I810_IOWRITEB(0, card, PO_CR);
// wait for the card to acknowledge shutdown
- while( inb(card->iobase + PO_CR) != 0 ) ;
+ while( I810_IOREADB(card, PO_CR) != 0 ) ;
// now clear any latent interrupt bits (like the halt bit)
if(card->pci_id == PCI_DEVICE_ID_SI_7012)
- outb( inb(card->iobase + PO_PICB), card->iobase + PO_PICB );
+ I810_IOWRITEB( I810_IOREADB(card, PO_PICB), card, PO_PICB );
else
- outb( inb(card->iobase + PO_SR), card->iobase + PO_SR );
- outl( inl(card->iobase + GLOB_STA) & INT_PO, card->iobase + GLOB_STA);
+ I810_IOWRITEB( I810_IOREADB(card, PO_SR), card, PO_SR );
+ I810_IOWRITEL( I810_IOREADL(card, GLOB_STA) & INT_PO, card, GLOB_STA);
}
static void stop_dac(struct i810_state *state)
(dmabuf->trigger & PCM_ENABLE_OUTPUT)) {
dmabuf->enable |= DAC_RUNNING;
// Interrupt enable, LVI enable, DMA enable
- outb(0x10 | 0x04 | 0x01, state->card->iobase + PO_CR);
+ I810_IOWRITEB(0x10 | 0x04 | 0x01, state->card, PO_CR);
}
}
static void start_dac(struct i810_state *state)
dmabuf->numfrag = SG_LEN;
dmabuf->fragsize = dmabuf->dmasize/dmabuf->numfrag;
dmabuf->fragsamples = dmabuf->fragsize >> 1;
+ dmabuf->fragshift = ffs(dmabuf->fragsize) - 1;
dmabuf->userfragsize = dmabuf->ossfragsize;
dmabuf->userfrags = dmabuf->dmasize/dmabuf->ossfragsize;
if(dmabuf->ossmaxfrags == 4) {
fragint = 8;
- dmabuf->fragshift = 2;
} else if (dmabuf->ossmaxfrags == 8) {
fragint = 4;
- dmabuf->fragshift = 3;
} else if (dmabuf->ossmaxfrags == 16) {
fragint = 2;
- dmabuf->fragshift = 4;
} else {
fragint = 1;
- dmabuf->fragshift = 5;
}
/*
* Now set up the ring
sg++;
}
spin_lock_irqsave(&state->card->lock, flags);
- outb(2, state->card->iobase+c->port+OFF_CR); /* reset DMA machine */
- while( inb(state->card->iobase+c->port+OFF_CR) & 0x02 ) ;
- outl((u32)state->card->chandma +
+ I810_IOWRITEB(2, state->card, c->port+OFF_CR); /* reset DMA machine */
+ while( I810_IOREADB(state->card, c->port+OFF_CR) & 0x02 ) ;
+ I810_IOWRITEL((u32)state->card->chandma +
c->num*sizeof(struct i810_channel),
- state->card->iobase+c->port+OFF_BDBAR);
- CIV_TO_LVI(state->card->iobase+c->port, 0);
+ state->card, c->port+OFF_BDBAR);
+ CIV_TO_LVI(state->card, c->port, 0);
spin_unlock_irqrestore(&state->card->lock, flags);
{
struct dmabuf *dmabuf = &state->dmabuf;
int x, port;
-
- port = state->card->iobase;
- if(rec)
- port += dmabuf->read_channel->port;
- else
- port += dmabuf->write_channel->port;
-
- /* if we are currently stopped, then our CIV is actually set to our
- * *last* sg segment and we are ready to wrap to the next. However,
- * if we set our LVI to the last sg segment, then it won't wrap to
- * the next sg segment, it won't even get a start. So, instead, when
- * we are stopped, we set both the LVI value and also we increment
- * the CIV value to the next sg segment to be played so that when
- * we call start_{dac,adc}, things will operate properly
- */
+ int trigger;
+ int count, fragsize;
+ void (*start)(struct i810_state *);
+
+ count = dmabuf->count;
+ if (rec) {
+ port = dmabuf->read_channel->port;
+ trigger = PCM_ENABLE_INPUT;
+ start = __start_adc;
+ count = dmabuf->dmasize - count;
+ } else {
+ port = dmabuf->write_channel->port;
+ trigger = PCM_ENABLE_OUTPUT;
+ start = __start_dac;
+ }
+
+ /* Do not process partial fragments. */
+ fragsize = dmabuf->fragsize;
+ if (count < fragsize)
+ return;
+
if (!dmabuf->enable && dmabuf->ready) {
- if(rec && dmabuf->count < dmabuf->dmasize &&
- (dmabuf->trigger & PCM_ENABLE_INPUT))
- {
- CIV_TO_LVI(port, 1);
- __start_adc(state);
- while( !(inb(port + OFF_CR) & ((1<<4) | (1<<2))) ) ;
- } else if (!rec && dmabuf->count &&
- (dmabuf->trigger & PCM_ENABLE_OUTPUT))
- {
- CIV_TO_LVI(port, 1);
- __start_dac(state);
- while( !(inb(port + OFF_CR) & ((1<<4) | (1<<2))) ) ;
- }
+ if (!(dmabuf->trigger & trigger))
+ return;
+
+ start(state);
+ while (!(I810_IOREADB(state->card, port + OFF_CR) & ((1<<4) | (1<<2))))
+ ;
}
- /* swptr - 1 is the tail of our transfer */
- x = (dmabuf->dmasize + dmabuf->swptr - 1) % dmabuf->dmasize;
- x /= dmabuf->fragsize;
- outb(x, port+OFF_LVI);
+ /* MASKP2(swptr, fragsize) - 1 is the tail of our transfer */
+ x = MODULOP2(MASKP2(dmabuf->swptr, fragsize) - 1, dmabuf->dmasize);
+ x >>= dmabuf->fragshift;
+ I810_IOWRITEB(x, state->card, port + OFF_LVI);
}
static void i810_update_lvi(struct i810_state *state, int rec)
{
struct dmabuf *dmabuf = &state->dmabuf;
unsigned hwptr;
+ unsigned fragmask, dmamask;
int diff;
- /* error handling and process wake up for DAC */
+ fragmask = MASKP2(~0, dmabuf->fragsize);
+ dmamask = MODULOP2(~0, dmabuf->dmasize);
+
+ /* error handling and process wake up for ADC */
if (dmabuf->enable == ADC_RUNNING) {
/* update hardware pointer */
- hwptr = i810_get_dma_addr(state, 1);
- diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize;
+ hwptr = i810_get_dma_addr(state, 1) & fragmask;
+ diff = (hwptr - dmabuf->hwptr) & dmamask;
#if defined(DEBUG_INTERRUPTS) || defined(DEBUG_MMAP)
printk("ADC HWP %d,%d,%d\n", hwptr, dmabuf->hwptr, diff);
#endif
/* this is normal for the end of a read */
/* only give an error if we went past the */
/* last valid sg entry */
- if((inb(state->card->iobase + PI_CIV) & 31) !=
- (inb(state->card->iobase + PI_LVI) & 31)) {
+ if (GET_CIV(state->card, PI_BASE) !=
+ GET_LVI(state->card, PI_BASE)) {
printk(KERN_WARNING "i810_audio: DMA overrun on read\n");
dmabuf->error++;
}
}
- if (dmabuf->count > dmabuf->userfragsize)
+ if (diff)
wake_up(&dmabuf->wait);
}
/* error handling and process wake up for DAC */
if (dmabuf->enable == DAC_RUNNING) {
/* update hardware pointer */
- hwptr = i810_get_dma_addr(state, 0);
- diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize;
+ hwptr = i810_get_dma_addr(state, 0) & fragmask;
+ diff = (hwptr - dmabuf->hwptr) & dmamask;
#if defined(DEBUG_INTERRUPTS) || defined(DEBUG_MMAP)
printk("DAC HWP %d,%d,%d\n", hwptr, dmabuf->hwptr, diff);
#endif
/* this is normal for the end of a write */
/* only give an error if we went past the */
/* last valid sg entry */
- if((inb(state->card->iobase + PO_CIV) & 31) !=
- (inb(state->card->iobase + PO_LVI) & 31)) {
+ if (GET_CIV(state->card, PO_BASE) !=
+ GET_LVI(state->card, PO_BASE)) {
printk(KERN_WARNING "i810_audio: DMA overrun on write\n");
printk("i810_audio: CIV %d, LVI %d, hwptr %x, "
"count %d\n",
- inb(state->card->iobase + PO_CIV) & 31,
- inb(state->card->iobase + PO_LVI) & 31,
+ GET_CIV(state->card, PO_BASE),
+ GET_LVI(state->card, PO_BASE),
dmabuf->hwptr, dmabuf->count);
dmabuf->error++;
}
}
- if (dmabuf->count < (dmabuf->dmasize-dmabuf->userfragsize))
+ if (diff)
wake_up(&dmabuf->wait);
}
}
dmabuf->swptr = dmabuf->hwptr;
}
free = dmabuf->dmasize - dmabuf->count;
- free -= (dmabuf->hwptr % dmabuf->fragsize);
if(free < 0)
return(0);
return(free);
dmabuf->swptr = dmabuf->hwptr;
}
avail = dmabuf->count;
- avail -= (dmabuf->hwptr % dmabuf->fragsize);
if(avail < 0)
return(0);
return(avail);
}
+static inline void fill_partial_frag(struct dmabuf *dmabuf)
+{
+ unsigned fragsize;
+ unsigned swptr, len;
+
+ fragsize = dmabuf->fragsize;
+ swptr = dmabuf->swptr;
+ len = fragsize - MODULOP2(dmabuf->swptr, fragsize);
+ if (len == fragsize)
+ return;
+
+ memset(dmabuf->rawbuf + swptr, '\0', len);
+ dmabuf->swptr = MODULOP2(swptr + len, dmabuf->dmasize);
+ dmabuf->count += len;
+}
+
static int drain_dac(struct i810_state *state, int signals_allowed)
{
DECLARE_WAITQUEUE(wait, current);
stop_dac(state);
return 0;
}
+
+ spin_lock_irqsave(&state->card->lock, flags);
+
+ fill_partial_frag(dmabuf);
+
+ /*
+ * This will make sure that our LVI is correct, that our
+ * pointer is updated, and that the DAC is running. We
+ * have to force the setting of dmabuf->trigger to avoid
+ * any possible deadlocks.
+ */
+ dmabuf->trigger = PCM_ENABLE_OUTPUT;
+ __i810_update_lvi(state, 0);
+
+ spin_unlock_irqrestore(&state->card->lock, flags);
+
add_wait_queue(&dmabuf->wait, &wait);
for (;;) {
spin_lock_irqsave(&state->card->lock, flags);
i810_update_ptr(state);
count = dmabuf->count;
- spin_unlock_irqrestore(&state->card->lock, flags);
-
- if (count <= 0)
- break;
-
- /*
- * This will make sure that our LVI is correct, that our
- * pointer is updated, and that the DAC is running. We
- * have to force the setting of dmabuf->trigger to avoid
- * any possible deadlocks.
- */
- if(!dmabuf->enable) {
- dmabuf->trigger = PCM_ENABLE_OUTPUT;
- i810_update_lvi(state,0);
- }
- if (signal_pending(current) && signals_allowed) {
- break;
- }
/* It seems that we have to set the current state to
* TASK_INTERRUPTIBLE every time to make the process
* instead of actually sleeping and waiting for an
* interrupt to wake us up!
*/
- set_current_state(TASK_INTERRUPTIBLE);
+ __set_current_state(signals_allowed ?
+ TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
+ spin_unlock_irqrestore(&state->card->lock, flags);
+
+ if (count <= 0)
+ break;
+
+ if (signal_pending(current) && signals_allowed) {
+ break;
+ }
+
/*
* set the timeout to significantly longer than it *should*
* take for the DAC to drain the DMA buffer
struct i810_state *state = card->states[i];
struct i810_channel *c;
struct dmabuf *dmabuf;
- unsigned long port = card->iobase;
+ unsigned long port;
u16 status;
if(!state)
} else /* This can occur going from R/W to close */
continue;
- port+=c->port;
+ port = c->port;
if(card->pci_id == PCI_DEVICE_ID_SI_7012)
- status = inw(port + OFF_PICB);
+ status = I810_IOREADW(card, port + OFF_PICB);
else
- status = inw(port + OFF_SR);
+ status = I810_IOREADW(card, port + OFF_SR);
#ifdef DEBUG_INTERRUPTS
printk("NUM %d PORT %X IRQ ( ST%d ", c->num, c->port, status);
if(status & DMA_INT_DCH)
printk("DCH -");
#endif
- if(dmabuf->enable & DAC_RUNNING)
- count = dmabuf->count;
- else
- count = dmabuf->dmasize - dmabuf->count;
- if(count > 0) {
- outb(inb(port+OFF_CR) | 1, port+OFF_CR);
+ count = dmabuf->count;
+ if(dmabuf->enable & ADC_RUNNING)
+ count = dmabuf->dmasize - count;
+ if (count >= (int)dmabuf->fragsize) {
+ I810_IOWRITEB(I810_IOREADB(card, port+OFF_CR) | 1, card, port+OFF_CR);
#ifdef DEBUG_INTERRUPTS
printk(" CONTINUE ");
#endif
}
}
if(card->pci_id == PCI_DEVICE_ID_SI_7012)
- outw(status & DMA_INT_MASK, port + OFF_PICB);
+ I810_IOWRITEW(status & DMA_INT_MASK, card, port + OFF_PICB);
else
- outw(status & DMA_INT_MASK, port + OFF_SR);
+ I810_IOWRITEW(status & DMA_INT_MASK, card, port + OFF_SR);
}
#ifdef DEBUG_INTERRUPTS
printk(")\n");
spin_lock(&card->lock);
- status = inl(card->iobase + GLOB_STA);
+ status = I810_IOREADL(card, GLOB_STA);
if(!(status & INT_MASK))
{
i810_channel_interrupt(card);
/* clear 'em */
- outl(status & INT_MASK, card->iobase + GLOB_STA);
+ I810_IOWRITEL(status & INT_MASK, card, GLOB_STA);
spin_unlock(&card->lock);
return IRQ_HANDLED;
}
waiting to be copied to the user's buffer. It is filled by the dma
machine and drained by this loop. */
-static ssize_t i810_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
+static ssize_t i810_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
{
struct i810_state *state = (struct i810_state *)file->private_data;
- struct i810_card *card=state ? state->card : 0;
+ struct i810_card *card=state ? state->card : NULL;
struct dmabuf *dmabuf = &state->dmabuf;
ssize_t ret;
unsigned long flags;
unsigned int swptr;
int cnt;
+ int pending;
DECLARE_WAITQUEUE(waita, current);
#ifdef DEBUG2
printk("i810_audio: i810_read called, count = %d\n", count);
#endif
- if (ppos != &file->f_pos)
- return -ESPIPE;
if (dmabuf->mapped)
return -ENXIO;
if (dmabuf->enable & DAC_RUNNING)
return -EFAULT;
ret = 0;
+ pending = 0;
+
add_wait_queue(&dmabuf->wait, &waita);
while (count > 0) {
set_current_state(TASK_INTERRUPTIBLE);
}
continue;
}
- swptr = dmabuf->swptr;
cnt = i810_get_available_read_data(state);
+ swptr = dmabuf->swptr;
// this is to make the copy_to_user simpler below
if(cnt > (dmabuf->dmasize - swptr))
cnt = dmabuf->dmasize - swptr;
if (cnt > count)
cnt = count;
- /* Lop off the last two bits to force the code to always
- * write in full samples. This keeps software that sets
- * O_NONBLOCK but doesn't check the return value of the
- * write call from getting things out of state where they
- * think a full 4 byte sample was written when really only
- * a portion was, resulting in odd sound and stereo
- * hysteresis.
- */
- cnt &= ~0x3;
if (cnt <= 0) {
unsigned long tmo;
/*
goto done;
}
- swptr = (swptr + cnt) % dmabuf->dmasize;
+ swptr = MODULOP2(swptr + cnt, dmabuf->dmasize);
spin_lock_irqsave(&card->lock, flags);
continue;
}
dmabuf->swptr = swptr;
- dmabuf->count -= cnt;
+ pending = dmabuf->count -= cnt;
spin_unlock_irqrestore(&card->lock, flags);
count -= cnt;
ret += cnt;
}
done:
- i810_update_lvi(state,1);
+ pending = dmabuf->dmasize - pending;
+ if (dmabuf->enable || pending >= dmabuf->userfragsize)
+ i810_update_lvi(state, 1);
set_current_state(TASK_RUNNING);
remove_wait_queue(&dmabuf->wait, &waita);
/* in this loop, dmabuf.count signifies the amount of data that is waiting to be dma to
the soundcard. it is drained by the dma machine and filled by this loop. */
-static ssize_t i810_write(struct file *file, const char *buffer, size_t count, loff_t *ppos)
+static ssize_t i810_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
{
struct i810_state *state = (struct i810_state *)file->private_data;
- struct i810_card *card=state ? state->card : 0;
+ struct i810_card *card=state ? state->card : NULL;
struct dmabuf *dmabuf = &state->dmabuf;
ssize_t ret;
unsigned long flags;
unsigned int swptr = 0;
- int cnt, x;
+ int pending;
+ int cnt;
DECLARE_WAITQUEUE(waita, current);
#ifdef DEBUG2
printk("i810_audio: i810_write called, count = %d\n", count);
#endif
- if (ppos != &file->f_pos)
- return -ESPIPE;
if (dmabuf->mapped)
return -ENXIO;
if (dmabuf->enable & ADC_RUNNING)
return -EFAULT;
ret = 0;
+ pending = 0;
+
add_wait_queue(&dmabuf->wait, &waita);
while (count > 0) {
set_current_state(TASK_INTERRUPTIBLE);
continue;
}
- swptr = dmabuf->swptr;
cnt = i810_get_free_write_space(state);
+ swptr = dmabuf->swptr;
/* Bound the maximum size to how much we can copy to the
* dma buffer before we hit the end. If we have more to
* copy then it will get done in a second pass of this
#endif
if (cnt > count)
cnt = count;
- /* Lop off the last two bits to force the code to always
- * write in full samples. This keeps software that sets
- * O_NONBLOCK but doesn't check the return value of the
- * write call from getting things out of state where they
- * think a full 4 byte sample was written when really only
- * a portion was, resulting in odd sound and stereo
- * hysteresis.
- */
- cnt &= ~0x3;
if (cnt <= 0) {
unsigned long tmo;
// There is data waiting to be played
goto ret;
}
- swptr = (swptr + cnt) % dmabuf->dmasize;
+ swptr = MODULOP2(swptr + cnt, dmabuf->dmasize);
spin_lock_irqsave(&state->card->lock, flags);
if (PM_SUSPENDED(card)) {
}
dmabuf->swptr = swptr;
- dmabuf->count += cnt;
+ pending = dmabuf->count += cnt;
count -= cnt;
buffer += cnt;
ret += cnt;
spin_unlock_irqrestore(&state->card->lock, flags);
}
- if (swptr % dmabuf->fragsize) {
- x = dmabuf->fragsize - (swptr % dmabuf->fragsize);
- memset(dmabuf->rawbuf + swptr, '\0', x);
- }
ret:
- i810_update_lvi(state,0);
+ if (dmabuf->enable || pending >= dmabuf->userfragsize)
+ i810_update_lvi(state, 0);
set_current_state(TASK_RUNNING);
remove_wait_queue(&dmabuf->wait, &waita);
unsigned int i_glob_cnt;
int val = 0, ret;
struct ac97_codec *codec = state->card->ac97_codec[0];
+ void __user *argp = (void __user *)arg;
+ int __user *p = argp;
#ifdef DEBUG
- printk("i810_audio: i810_ioctl, arg=0x%x, cmd=", arg ? *(int *)arg : 0);
+ printk("i810_audio: i810_ioctl, arg=0x%x, cmd=", arg ? *p : 0);
#endif
switch (cmd)
#ifdef DEBUG
printk("OSS_GETVERSION\n");
#endif
- return put_user(SOUND_VERSION, (int *)arg);
+ return put_user(SOUND_VERSION, p);
case SNDCTL_DSP_RESET:
#ifdef DEBUG
__stop_adc(state);
}
if (c != NULL) {
- outb(2, state->card->iobase+c->port+OFF_CR); /* reset DMA machine */
- while ( inb(state->card->iobase+c->port+OFF_CR) & 2 )
+ I810_IOWRITEB(2, state->card, c->port+OFF_CR); /* reset DMA machine */
+ while ( I810_IOREADB(state->card, c->port+OFF_CR) & 2 )
cpu_relax();
- outl((u32)state->card->chandma +
+ I810_IOWRITEL((u32)state->card->chandma +
c->num*sizeof(struct i810_channel),
- state->card->iobase+c->port+OFF_BDBAR);
- CIV_TO_LVI(state->card->iobase+c->port, 0);
+ state->card, c->port+OFF_BDBAR);
+ CIV_TO_LVI(state->card, c->port, 0);
}
spin_unlock_irqrestore(&state->card->lock, flags);
#ifdef DEBUG
printk("SNDCTL_DSP_SPEED\n");
#endif
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
if (val >= 0) {
if (file->f_mode & FMODE_WRITE) {
spin_unlock_irqrestore(&state->card->lock, flags);
}
}
- return put_user(dmabuf->rate, (int *)arg);
+ return put_user(dmabuf->rate, p);
case SNDCTL_DSP_STEREO: /* set stereo or mono channel */
#ifdef DEBUG
if (dmabuf->enable & ADC_RUNNING) {
stop_adc(state);
}
- return put_user(1, (int *)arg);
+ return put_user(1, p);
case SNDCTL_DSP_GETBLKSIZE:
if (file->f_mode & FMODE_WRITE) {
#ifdef DEBUG
printk("SNDCTL_DSP_GETBLKSIZE %d\n", dmabuf->userfragsize);
#endif
- return put_user(dmabuf->userfragsize, (int *)arg);
+ return put_user(dmabuf->userfragsize, p);
case SNDCTL_DSP_GETFMTS: /* Returns a mask of supported sample format*/
#ifdef DEBUG
printk("SNDCTL_DSP_GETFMTS\n");
#endif
- return put_user(AFMT_S16_LE, (int *)arg);
+ return put_user(AFMT_S16_LE, p);
case SNDCTL_DSP_SETFMT: /* Select sample format */
#ifdef DEBUG
printk("SNDCTL_DSP_SETFMT\n");
#endif
- return put_user(AFMT_S16_LE, (int *)arg);
+ return put_user(AFMT_S16_LE, p);
case SNDCTL_DSP_CHANNELS:
#ifdef DEBUG
printk("SNDCTL_DSP_CHANNELS\n");
#endif
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
if (val > 0) {
stop_adc(state);
}
} else {
- return put_user(state->card->channels, (int *)arg);
+ return put_user(state->card->channels, p);
}
/* ICH and ICH0 only support 2 channels */
- if ( state->card->pci_id == PCI_DEVICE_ID_INTEL_82801
- || state->card->pci_id == PCI_DEVICE_ID_INTEL_82901)
- return put_user(2, (int *)arg);
+ if ( state->card->pci_id == PCI_DEVICE_ID_INTEL_82801AA_5
+ || state->card->pci_id == PCI_DEVICE_ID_INTEL_82801AB_5)
+ return put_user(2, p);
/* Multi-channel support was added with ICH2. Bits in */
/* Global Status and Global Control register are now */
/* used to indicate this. */
- i_glob_cnt = inl(state->card->iobase + GLOB_CNT);
+ i_glob_cnt = I810_IOREADL(state->card, GLOB_CNT);
/* Current # of channels enabled */
if ( i_glob_cnt & 0x0100000 )
switch ( val ) {
case 2: /* 2 channels is always supported */
- outl(i_glob_cnt & 0xffcfffff,
- state->card->iobase + GLOB_CNT);
+ I810_IOWRITEL(i_glob_cnt & 0xffcfffff,
+ state->card, GLOB_CNT);
/* Do we need to change mixer settings???? */
break;
case 4: /* Supported on some chipsets, better check first */
if ( state->card->channels >= 4 ) {
- outl((i_glob_cnt & 0xffcfffff) | 0x100000,
- state->card->iobase + GLOB_CNT);
+ I810_IOWRITEL((i_glob_cnt & 0xffcfffff) | 0x100000,
+ state->card, GLOB_CNT);
/* Do we need to change mixer settings??? */
} else {
val = ret;
break;
case 6: /* Supported on some chipsets, better check first */
if ( state->card->channels >= 6 ) {
- outl((i_glob_cnt & 0xffcfffff) | 0x200000,
- state->card->iobase + GLOB_CNT);
+ I810_IOWRITEL((i_glob_cnt & 0xffcfffff) | 0x200000,
+ state->card, GLOB_CNT);
/* Do we need to change mixer settings??? */
} else {
val = ret;
break;
}
- return put_user(val, (int *)arg);
+ return put_user(val, p);
case SNDCTL_DSP_POST: /* the user has sent all data and is notifying us */
/* we update the swptr to the end of the last sg segment then return */
case SNDCTL_DSP_SUBDIVIDE:
if (dmabuf->subdivision)
return -EINVAL;
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
if (val != 1 && val != 2 && val != 4)
return -EINVAL;
return 0;
case SNDCTL_DSP_SETFRAGMENT:
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
dmabuf->ossfragsize = 1<<(val & 0xffff);
printk("SNDCTL_DSP_GETOSPACE %d, %d, %d, %d\n", abinfo.bytes,
abinfo.fragsize, abinfo.fragments, abinfo.fragstotal);
#endif
- return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
+ return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
case SNDCTL_DSP_GETOPTR:
if (!(file->f_mode & FMODE_WRITE))
printk("SNDCTL_DSP_GETOPTR %d, %d, %d, %d\n", cinfo.bytes,
cinfo.blocks, cinfo.ptr, dmabuf->count);
#endif
- return copy_to_user((void *)arg, &cinfo, sizeof(cinfo)) ? -EFAULT : 0;
+ return copy_to_user(argp, &cinfo, sizeof(cinfo)) ? -EFAULT : 0;
case SNDCTL_DSP_GETISPACE:
if (!(file->f_mode & FMODE_READ))
printk("SNDCTL_DSP_GETISPACE %d, %d, %d, %d\n", abinfo.bytes,
abinfo.fragsize, abinfo.fragments, abinfo.fragstotal);
#endif
- return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
+ return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
case SNDCTL_DSP_GETIPTR:
if (!(file->f_mode & FMODE_READ))
printk("SNDCTL_DSP_GETIPTR %d, %d, %d, %d\n", cinfo.bytes,
cinfo.blocks, cinfo.ptr, dmabuf->count);
#endif
- return copy_to_user((void *)arg, &cinfo, sizeof(cinfo)) ? -EFAULT : 0;
+ return copy_to_user(argp, &cinfo, sizeof(cinfo)) ? -EFAULT : 0;
case SNDCTL_DSP_NONBLOCK:
#ifdef DEBUG
printk("SNDCTL_DSP_GETCAPS\n");
#endif
return put_user(DSP_CAP_REALTIME|DSP_CAP_TRIGGER|DSP_CAP_MMAP|DSP_CAP_BIND,
- (int *)arg);
+ p);
case SNDCTL_DSP_GETTRIGGER:
val = 0;
#ifdef DEBUG
printk("SNDCTL_DSP_GETTRIGGER 0x%x\n", dmabuf->trigger);
#endif
- return put_user(dmabuf->trigger, (int *)arg);
+ return put_user(dmabuf->trigger, p);
case SNDCTL_DSP_SETTRIGGER:
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
#if defined(DEBUG) || defined(DEBUG_MMAP)
printk("SNDCTL_DSP_SETTRIGGER 0x%x\n", val);
#endif
+ /* silently ignore invalid PCM_ENABLE_xxx bits,
+ * like the other drivers do
+ */
+ if (!(file->f_mode & FMODE_READ ))
+ val &= ~PCM_ENABLE_INPUT;
+ if (!(file->f_mode & FMODE_WRITE ))
+ val &= ~PCM_ENABLE_OUTPUT;
if((file->f_mode & FMODE_READ) && !(val & PCM_ENABLE_INPUT) && dmabuf->enable == ADC_RUNNING) {
stop_adc(state);
}
stop_dac(state);
}
dmabuf->trigger = val;
- if((file->f_mode & FMODE_WRITE) && (val & PCM_ENABLE_OUTPUT) && !(dmabuf->enable & DAC_RUNNING)) {
+ if((val & PCM_ENABLE_OUTPUT) && !(dmabuf->enable & DAC_RUNNING)) {
if (!dmabuf->write_channel) {
dmabuf->ready = 0;
dmabuf->write_channel = state->card->alloc_pcm_channel(state->card);
dmabuf->swptr = dmabuf->hwptr;
dmabuf->count = i810_get_free_write_space(state);
dmabuf->swptr = (dmabuf->swptr + dmabuf->count) % dmabuf->dmasize;
- __i810_update_lvi(state, 0);
spin_unlock_irqrestore(&state->card->lock, flags);
- } else
- start_dac(state);
+ }
+ i810_update_lvi(state, 0);
+ start_dac(state);
}
- if((file->f_mode & FMODE_READ) && (val & PCM_ENABLE_INPUT) && !(dmabuf->enable & ADC_RUNNING)) {
+ if((val & PCM_ENABLE_INPUT) && !(dmabuf->enable & ADC_RUNNING)) {
if (!dmabuf->read_channel) {
dmabuf->ready = 0;
dmabuf->read_channel = state->card->alloc_rec_pcm_channel(state->card);
#ifdef DEBUG
printk("SNDCTL_DSP_GETODELAY %d\n", dmabuf->count);
#endif
- return put_user(val, (int *)arg);
+ return put_user(val, p);
case SOUND_PCM_READ_RATE:
#ifdef DEBUG
printk("SOUND_PCM_READ_RATE %d\n", dmabuf->rate);
#endif
- return put_user(dmabuf->rate, (int *)arg);
+ return put_user(dmabuf->rate, p);
case SOUND_PCM_READ_CHANNELS:
#ifdef DEBUG
printk("SOUND_PCM_READ_CHANNELS\n");
#endif
- return put_user(2, (int *)arg);
+ return put_user(2, p);
case SOUND_PCM_READ_BITS:
#ifdef DEBUG
printk("SOUND_PCM_READ_BITS\n");
#endif
- return put_user(AFMT_S16_LE, (int *)arg);
+ return put_user(AFMT_S16_LE, p);
case SNDCTL_DSP_SETSPDIF: /* Set S/PDIF Control register */
#ifdef DEBUG
printk("SNDCTL_DSP_SETSPDIF\n");
#endif
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
/* Check to make sure the codec supports S/PDIF transmitter */
else
printk(KERN_WARNING "i810_audio: S/PDIF transmitter not avalible.\n");
#endif
- return put_user(val, (int *)arg);
+ return put_user(val, p);
case SNDCTL_DSP_GETSPDIF: /* Get S/PDIF Control register */
#ifdef DEBUG
printk("SNDCTL_DSP_GETSPDIF\n");
#endif
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
/* Check to make sure the codec supports S/PDIF transmitter */
} else {
val = i810_ac97_get(codec, AC97_SPDIF_CONTROL);
}
- //return put_user((val & 0xcfff), (int *)arg);
- return put_user(val, (int *)arg);
+ //return put_user((val & 0xcfff), p);
+ return put_user(val, p);
case SNDCTL_DSP_GETCHANNELMASK:
#ifdef DEBUG
printk("SNDCTL_DSP_GETCHANNELMASK\n");
#endif
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
/* Based on AC'97 DAC support, not ICH hardware */
if ( state->card->ac97_features & 0x0140 )
val |= DSP_BIND_CENTER_LFE;
- return put_user(val, (int *)arg);
+ return put_user(val, p);
case SNDCTL_DSP_BIND_CHANNEL:
#ifdef DEBUG
printk("SNDCTL_DSP_BIND_CHANNEL\n");
#endif
- if (get_user(val, (int *)arg))
+ if (get_user(val, p))
return -EFAULT;
if ( val == DSP_BIND_QUERY ) {
val = DSP_BIND_FRONT; /* Always report this as being enabled */
val &= ~DSP_BIND_CENTER_LFE;
}
}
- return put_user(val, (int *)arg);
+ return put_user(val, p);
case SNDCTL_DSP_MAPINBUF:
case SNDCTL_DSP_MAPOUTBUF:
} else {
i810_set_dac_rate(state, 8000);
/* Put the ACLink in 2 channel mode by default */
- i = inl(card->iobase + GLOB_CNT);
- outl(i & 0xffcfffff, card->iobase + GLOB_CNT);
+ i = I810_IOREADL(card, GLOB_CNT);
+ I810_IOWRITEL(i & 0xffcfffff, card, GLOB_CNT);
}
}
state->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
- return 0;
+ return nonseekable_open(inode, file);
}
static int i810_release(struct inode *inode, struct file *file)
int count = 100;
u16 reg_set = IO_REG_OFF(dev) | (reg&0x7f);
- while(count-- && (inb(card->iobase + CAS) & 1))
+ while(count-- && (I810_IOREADB(card, CAS) & 1))
udelay(1);
return inw(card->ac97base + reg_set);
int count = 100;
u16 reg_set = IO_REG_OFF(dev) | (reg&0x7f);
- while(count-- && (inb(card->iobase + CAS) & 1))
+ while(count-- && (I810_IOREADB(card, CAS) & 1))
udelay(1);
outw(data, card->ac97base + reg_set);
if (card->ac97_codec[i] != NULL &&
card->ac97_codec[i]->dev_mixer == minor) {
file->private_data = card->ac97_codec[i];
- return 0;
+ return nonseekable_open(inode, file);
}
}
return -ENODEV;
static inline int i810_ac97_exists(struct i810_card *card, int ac97_number)
{
- u32 reg = inl(card->iobase + GLOB_STA);
+ u32 reg = I810_IOREADL(card, GLOB_STA);
switch (ac97_number) {
case 0:
return reg & (1<<8);
return i;
}
+static int is_new_ich(u16 pci_id)
+{
+ switch (pci_id) {
+ case PCI_DEVICE_ID_INTEL_82801DB_5:
+ case PCI_DEVICE_ID_INTEL_82801EB_5:
+ case PCI_DEVICE_ID_INTEL_ESB_5:
+ case PCI_DEVICE_ID_INTEL_ICH6_18:
+ return 1;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static inline int ich_use_mmio(struct i810_card *card)
+{
+ return is_new_ich(card->pci_id) && card->use_mmio;
+}
+
/**
* i810_ac97_power_up_bus - bring up AC97 link
* @card : ICH audio device to power up
static int i810_ac97_power_up_bus(struct i810_card *card)
{
- u32 reg = inl(card->iobase + GLOB_CNT);
+ u32 reg = I810_IOREADL(card, GLOB_CNT);
int i;
int primary_codec_id = 0;
reg&=~8; /* ACLink on */
/* At this point we deassert AC_RESET # */
- outl(reg , card->iobase + GLOB_CNT);
+ I810_IOWRITEL(reg , card, GLOB_CNT);
/* We must now allow time for the Codec initialisation.
600mS is the specified time */
for(i=0;i<10;i++)
{
- if((inl(card->iobase+GLOB_CNT)&4)==0)
+ if((I810_IOREADL(card, GLOB_CNT)&4)==0)
break;
set_current_state(TASK_UNINTERRUPTIBLE);
* See if the primary codec comes ready. This must happen
* before we start doing DMA stuff
*/
- /* see i810_ac97_init for the next 7 lines (jsaw) */
- inw(card->ac97base);
- if ((card->pci_id == PCI_DEVICE_ID_INTEL_ICH4 || card->pci_id == PCI_DEVICE_ID_INTEL_ICH5 ||
- card->pci_id == PCI_DEVICE_ID_INTEL_ESB_5 || card->pci_id == PCI_DEVICE_ID_INTEL_ICH6_3)
- && (card->use_mmio)) {
+ /* see i810_ac97_init for the next 10 lines (jsaw) */
+ if (card->use_mmio)
+ readw(card->ac97base_mmio);
+ else
+ inw(card->ac97base);
+ if (ich_use_mmio(card)) {
primary_codec_id = (int) readl(card->iobase_mmio + SDM) & 0x3;
printk(KERN_INFO "i810_audio: Primary codec has ID %d\n",
primary_codec_id);
else
printk("no response.\n");
}
- inw(card->ac97base);
+ if (card->use_mmio)
+ readw(card->ac97base_mmio);
+ else
+ inw(card->ac97base);
return 1;
}
/* to check.... */
card->channels = 2;
- reg = inl(card->iobase + GLOB_STA);
+ reg = I810_IOREADL(card, GLOB_STA);
if ( reg & 0x0200000 )
card->channels = 6;
else if ( reg & 0x0100000 )
card->channels = 4;
printk(KERN_INFO "i810_audio: Audio Controller supports %d channels.\n", card->channels);
printk(KERN_INFO "i810_audio: Defaulting to base 2 channel mode.\n");
- reg = inl(card->iobase + GLOB_CNT);
- outl(reg & 0xffcfffff, card->iobase + GLOB_CNT);
+ reg = I810_IOREADL(card, GLOB_CNT);
+ I810_IOWRITEL(reg & 0xffcfffff, card, GLOB_CNT);
for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++)
card->ac97_codec[num_ac97] = NULL;
for (num_ac97 = 0; num_ac97 < nr_ac97_max; num_ac97++) {
/* codec reset */
printk(KERN_INFO "i810_audio: Resetting connection %d\n", num_ac97);
- if (card->use_mmio) readw(card->ac97base_mmio + 0x80*num_ac97);
- else inw(card->ac97base + 0x80*num_ac97);
+ if (card->use_mmio)
+ readw(card->ac97base_mmio + 0x80*num_ac97);
+ else
+ inw(card->ac97base + 0x80*num_ac97);
/* If we have the SDATA_IN Map Register, as on ICH4, we
do not loop thru all possible codec IDs but thru all
possible IO channels. Bit 0:1 of SDM then holds the
last codec ID spoken to.
*/
- if ((card->pci_id == PCI_DEVICE_ID_INTEL_ICH4 || card->pci_id == PCI_DEVICE_ID_INTEL_ICH5 ||
- card->pci_id == PCI_DEVICE_ID_INTEL_ESB_5 || card->pci_id == PCI_DEVICE_ID_INTEL_ICH6_3)
- && (card->use_mmio)) {
+ if (ich_use_mmio(card)) {
ac97_id = (int) readl(card->iobase_mmio + SDM) & 0x3;
printk(KERN_INFO "i810_audio: Connection %d with codec id %d\n",
num_ac97, ac97_id);
goto config_out;
}
dmabuf->count = dmabuf->dmasize;
- CIV_TO_LVI(card->iobase+dmabuf->write_channel->port, 31);
+ CIV_TO_LVI(card, dmabuf->write_channel->port, -1);
local_irq_save(flags);
start_dac(state);
offset = i810_get_dma_addr(state, 0);
return -ENODEV;
}
- if( pci_resource_start(pci_dev, 1) == 0)
- {
- /* MMIO only ICH5 .. here be dragons .. */
- printk(KERN_ERR "i810_audio: Pure MMIO interfaces not yet supported.\n");
- return -ENODEV;
- }
-
if ((card = kmalloc(sizeof(struct i810_card), GFP_KERNEL)) == NULL) {
printk(KERN_ERR "i810_audio: out of memory\n");
return -ENOMEM;
card->ac97base = pci_resource_start (pci_dev, 0);
card->iobase = pci_resource_start (pci_dev, 1);
+ if (!(card->ac97base) || !(card->iobase)) {
+ card->ac97base = 0;
+ card->iobase = 0;
+ }
+
/* if chipset could have mmio capability, check it */
if (card_cap[pci_id->driver_data].flags & CAP_MMIO) {
card->ac97base_mmio_phys = pci_resource_start (pci_dev, 2);
}
}
+ if (!(card->use_mmio) && (!(card->iobase) || !(card->ac97base))) {
+ printk(KERN_ERR "i810_audio: No I/O resources available.\n");
+ goto out_mem;
+ }
+
card->irq = pci_dev->irq;
card->next = devs;
card->magic = I810_CARD_MAGIC;
}
/* claim our iospace and irq */
- request_region(card->iobase, 64, card_names[pci_id->driver_data]);
- request_region(card->ac97base, 256, card_names[pci_id->driver_data]);
+ if (!request_region(card->iobase, 64, card_names[pci_id->driver_data])) {
+ printk(KERN_ERR "i810_audio: unable to allocate region %lx\n", card->iobase);
+ goto out_region1;
+ }
+ if (!request_region(card->ac97base, 256, card_names[pci_id->driver_data])) {
+ printk(KERN_ERR "i810_audio: unable to allocate region %lx\n", card->ac97base);
+ goto out_region2;
+ }
if (request_irq(card->irq, &i810_interrupt, SA_SHIRQ,
card_names[pci_id->driver_data], card)) {
}
out_pio:
release_region(card->iobase, 64);
+out_region2:
release_region(card->ac97base, 256);
+out_region1:
pci_free_consistent(pci_dev, sizeof(struct i810_channel)*NR_HW_CH,
card->channel, card->chandma);
out_mem:
git://git.onelab.eu / linux-2.6.git / blobdiff