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use pcm_getbuffersize()

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This commit is contained in:
Orion Hodson 2001-10-10 17:56:35 +00:00
parent ce28e3e9fe
commit 9b6a5708db
5 changed files with 39 additions and 20 deletions
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15
sys/dev/sound/pci/als4000.c
View File

@ -50,6 +50,8 @@ SND_DECLARE_FILE("$FreeBSD$");
#define DEB(x) /* x */
#endif /* DEB */
#define ALS_DEFAULT_BUFSZ 16384
/* ------------------------------------------------------------------------- */
/* Structures */
@ -73,6 +75,8 @@ struct sc_info {
struct resource *reg, *irq;
int regid, irqid;
void *ih;
unsigned int bufsz;
struct sc_chinfo pch, rch;
};
@ -209,7 +213,7 @@ alschan_init(kobj_t obj, void *devinfo,
ch->format = AFMT_U8;
ch->speed = DSP_DEFAULT_SPEED;
ch->buffer = b;
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, ALS_BUFFER_SIZE) != 0) {
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsz) != 0) {
return NULL;
}
return ch;
@ -246,9 +250,10 @@ static int
alschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
if (blocksize > ALS_BUFFER_SIZE / 2) {
blocksize = ALS_BUFFER_SIZE / 2;
if (blocksize > sc->bufsz / 2) {
blocksize = sc->bufsz / 2;
}
sndbuf_resize(ch->buffer, 2, blocksize);
return blocksize;
@ -731,12 +736,14 @@ als_resource_grab(device_t dev, struct sc_info *sc)
goto bad;
}
sc->bufsz = pcm_getbuffersize(dev, 4096, ALS_DEFAULT_BUFSZ, 65536);
if (bus_dma_tag_create(/*parent*/NULL,
/*alignment*/2, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/ALS_BUFFER_SIZE,
/*maxsize*/sc->bufsz,
/*nsegments*/1, /*maxsegz*/0x3ffff,
/*flags*/0, &sc->parent_dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");

1
sys/dev/sound/pci/als4000.h
View File

@ -30,7 +30,6 @@
#define ALS_PCI_POWERREG 0xe0
#define ALS_CONFIG_SPACE_BYTES 128
#define ALS_BUFFER_SIZE 8192
#define ALS_GCR_DATA 0x08
#define ALS_GCR_INDEX 0x0c

14
sys/dev/sound/pci/cmi.c
View File

@ -60,7 +60,7 @@ SND_DECLARE_FILE("$FreeBSD$");
#define CMI8738B_PCI_ID 0x011213f6
/* Buffer size max is 64k for permitted DMA boundaries */
#define CMI_BUFFER_SIZE 16384
#define CMI_DEFAULT_BUFSZ 16384
/* Interrupts per length of buffer */
#define CMI_INTR_PER_BUFFER 2
@ -109,6 +109,7 @@ struct sc_info {
void *ih;
void *lock;
unsigned int bufsz;
struct sc_chinfo pch, rch;
};
@ -338,7 +339,7 @@ cmichan_init(kobj_t obj, void *devinfo,
ch->spd = DSP_DEFAULT_SPEED;
ch->buffer = b;
ch->dma_active = 0;
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, CMI_BUFFER_SIZE) != 0) {
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsz) != 0) {
DEB(printf("cmichan_init failed\n"));
return NULL;
}
@ -443,10 +444,11 @@ static int
cmichan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
/* user has requested interrupts every blocksize bytes */
if (blocksize > CMI_BUFFER_SIZE / CMI_INTR_PER_BUFFER) {
blocksize = CMI_BUFFER_SIZE / CMI_INTR_PER_BUFFER;
if (blocksize > sc->bufsz / CMI_INTR_PER_BUFFER) {
blocksize = sc->bufsz / CMI_INTR_PER_BUFFER;
}
sndbuf_resize(ch->buffer, CMI_INTR_PER_BUFFER, blocksize);
@ -844,11 +846,13 @@ cmi_attach(device_t dev)
goto bad;
}
sc->bufsz = pcm_getbuffersize(dev, 4096, CMI_DEFAULT_BUFSZ, 65536);
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/CMI_BUFFER_SIZE, /*nsegments*/1,
/*maxsize*/sc->bufsz, /*nsegments*/1,
/*maxsegz*/0x3ffff, /*flags*/0,
&sc->parent_dmat) != 0) {
device_printf(dev, "cmi_attach: Unable to create dma tag\n");

14
sys/dev/sound/pci/cs4281.c
View File

@ -39,7 +39,7 @@
SND_DECLARE_FILE("$FreeBSD$");
#define CS4281_BUFFER_SIZE 16384
#define CS4281_DEFAULT_BUFSZ 16384
/* Max fifo size for full duplex is 64 */
#define CS4281_FIFO_SIZE 15
@ -90,6 +90,7 @@ struct sc_info {
void *ih;
int power;
unsigned long bufsz;
struct sc_chinfo pch;
struct sc_chinfo rch;
};
@ -316,7 +317,7 @@ cs4281chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channe
struct sc_chinfo *ch = (dir == PCMDIR_PLAY) ? &sc->pch : &sc->rch;
ch->buffer = b;
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, CS4281_BUFFER_SIZE) != 0) {
if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsz) != 0) {
return NULL;
}
ch->parent = sc;
@ -340,19 +341,20 @@ static int
cs4281chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
u_int32_t go;
go = adcdac_go(ch, 0);
/* 2 interrupts are possible and used in buffer (half-empty,empty),
* hence factor of 2. */
ch->blksz = MIN(blocksize, CS4281_BUFFER_SIZE / 2);
ch->blksz = MIN(blocksize, sc->bufsz / 2);
sndbuf_resize(ch->buffer, 2, ch->blksz);
ch->dma_setup = 0;
adcdac_prog(ch);
adcdac_go(ch, go);
DEB(printf("cs4281chan_setblocksize: bufsz %d Setting %d\n", blocksize, ch->blksz));
DEB(printf("cs4281chan_setblocksize: blksz %d Setting %d\n", blocksize, ch->blksz));
return ch->blksz;
}
@ -823,11 +825,13 @@ cs4281_pci_attach(device_t dev)
goto bad;
}
sc->bufsz = pcm_getbuffersize(dev, 4096, CS4281_DEFAULT_BUFSZ, 65536);
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/CS4281_BUFFER_SIZE, /*nsegments*/1,
/*maxsize*/sc->bufsz, /*nsegments*/1,
/*maxsegz*/0x3ffff,
/*flags*/0, &sc->parent_dmat) != 0) {
device_printf(dev, "unable to create dma tag\n");

15
sys/dev/sound/pci/vibes.c
View File

@ -42,8 +42,8 @@ SND_DECLARE_FILE("$FreeBSD$");
/* Constants */
#define SV_PCI_ID 0xca005333
#define SV_MAX_BUFFER 8192
#define SV_MIN_BUFFER 128
#define SV_DEFAULT_BUFSZ 16384
#define SV_MIN_BLKSZ 128
#define SV_INTR_PER_BUFFER 2
#ifndef DEB
@ -89,6 +89,9 @@ struct sc_info {
int irqid;
void *ih;
/* User configurable buffer size */
unsigned int bufsz;
struct sc_chinfo rch, pch;
u_int8_t rev;
};
@ -189,7 +192,7 @@ svchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c
ch->channel = c;
ch->dir = dir;
if (sndbuf_alloc(b, sc->parent_dmat, SV_MAX_BUFFER) != 0) {
if (sndbuf_alloc(b, sc->parent_dmat, sc->bufsz) != 0) {
DEB(printf("svchan_init failed\n"));
return NULL;
}
@ -211,9 +214,10 @@ static int
svchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
{
struct sc_chinfo *ch = data;
struct sc_info *sc = ch->parent;
/* user has requested interrupts every blocksize bytes */
RANGE(blocksize, SV_MIN_BUFFER, SV_MAX_BUFFER / SV_INTR_PER_BUFFER);
RANGE(blocksize, SV_MIN_BLKSZ, sc->bufsz / SV_INTR_PER_BUFFER);
sndbuf_resize(ch->buffer, SV_INTR_PER_BUFFER, blocksize);
DEB(printf("svchan_setblocksize: %d\n", blocksize));
return blocksize;
@ -765,11 +769,12 @@ sv_attach(device_t dev) {
goto fail;
}
sc->bufsz = pcm_getbuffersize(dev, 4096, SV_DEFAULT_BUFSZ, 65536);
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/SV_MAX_BUFFER, /*nsegments*/1,
/*maxsize*/sc->bufsz, /*nsegments*/1,
/*maxsegz*/0x3ffff, /*flags*/0,
&sc->parent_dmat) != 0) {
device_printf(dev, "sv_attach: Unable to create dma tag\n");