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Fix mismatch between bus address stored for buffer descriptors and

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actual address of buffer descriptor.  This should fix the reported
calibration failures and subsequent speed problems with ich chipsets.

Minor calibration comment updates.
This commit is contained in:
Orion Hodson 2003-04-04 07:15:19 +00:00
parent 06ca28f0b4
commit 538b04e4ad
1 changed files with 8 additions and 3 deletions
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11
sys/dev/sound/pci/ich.c
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@ -249,7 +249,8 @@ ichchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *
ch->parent = sc;
ch->run = 0;
ch->dtbl = sc->dtbl + (ch->num * ICH_DTBL_LENGTH);
ch->desc_addr = sc->desc_addr + (ch->num * ICH_DTBL_LENGTH);
ch->desc_addr = sc->desc_addr + (ch->num * ICH_DTBL_LENGTH) *
sizeof(struct ich_desc);
ch->blkcnt = 2;
ch->blksz = sc->bufsz / ch->blkcnt;
@ -442,7 +443,9 @@ ich_intr(void *p)
}
/* ------------------------------------------------------------------------- */
/* Sysctl to control ac97 speed (some boards overclocked ac97). */
/* Sysctl to control ac97 speed (some boards appear to end up using
* XTAL_IN rather than BIT_CLK for link timing).
*/
static int
ich_initsys(struct sc_info* sc)
@ -458,7 +461,9 @@ ich_initsys(struct sc_info* sc)
}
/* -------------------------------------------------------------------- */
/* Calibrate card (some boards are overclocked and need scaling) */
/* Calibrate card to determine the clock source. The source maybe a
* function of the ac97 codec initialization code (to be investigated).
*/
static
void ich_calibrate(void *arg)