audiovia823x.c revision 505c7a699305ccafcfecc1ab0e7d4a25e2bfd1c2
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Purpose: Driver for the VIA8233/8235 AC97 audio controller
*/
/*
* This file is part of Open Sound System
*
* Copyright (C) 4Front Technologies 1996-2008.
*
* This software is released under CDDL 1.0 source license.
* See the COPYING file included in the main directory of this source
* distribution for the license terms and conditions.
*/
#include <sys/types.h>
#include <sys/modctl.h>
#include <sys/kmem.h>
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/pci.h>
#include <sys/note.h>
#include <sys/audio/audio_driver.h>
#include <sys/audio/ac97.h>
#include "audiovia823x.h"
static struct ddi_device_acc_attr dev_attr = {
DDI_DEVICE_ATTR_V0,
DDI_STRUCTURE_LE_ACC,
DDI_STRICTORDER_ACC
};
static struct ddi_device_acc_attr buf_attr = {
DDI_DEVICE_ATTR_V0,
DDI_NEVERSWAP_ACC,
DDI_STRICTORDER_ACC
};
static ddi_dma_attr_t dma_attr_sgd = {
DMA_ATTR_V0, /* version number */
0x00000000, /* low DMA address range */
0xffffffff, /* high DMA address range */
0x0000ffff, /* DMA counter register */
8, /* DMA address alignment */
0x3c, /* DMA burstsizes */
8, /* min effective DMA size */
0xffffffff, /* max DMA xfer size */
0x00000fff, /* segment boundary */
1, /* s/g length */
8, /* granularity of device */
0 /* Bus specific DMA flags */
};
static ddi_dma_attr_t dma_attr_buf = {
DMA_ATTR_V0, /* version number */
0x00000000, /* low DMA address range */
0xffffffff, /* high DMA address range */
0x0001fffe, /* DMA counter register */
4, /* DMA address alignment */
0x3c, /* DMA burstsizes */
4, /* min effective DMA size */
0x0001ffff, /* max DMA xfer size */
0x0001ffff, /* segment boundary */
1, /* s/g length */
4, /* granularity of device */
0 /* Bus specific DMA flags */
};
static int auvia_attach(dev_info_t *);
static int auvia_resume(dev_info_t *);
static int auvia_detach(auvia_devc_t *);
static int auvia_suspend(auvia_devc_t *);
static int auvia_open(void *, int, unsigned *, unsigned *, caddr_t *);
static void auvia_close(void *);
static int auvia_start(void *);
static void auvia_stop(void *);
static int auvia_format(void *);
static int auvia_channels(void *);
static int auvia_rate(void *);
static uint64_t auvia_count(void *);
static void auvia_sync(void *, unsigned);
static size_t auvia_qlen(void *);
static uint16_t auvia_read_ac97(void *, uint8_t);
static void auvia_write_ac97(void *, uint8_t, uint16_t);
static int auvia_alloc_port(auvia_devc_t *, int);
static void auvia_start_port(auvia_portc_t *);
static void auvia_stop_port(auvia_portc_t *);
static void auvia_update_port(auvia_portc_t *);
static void auvia_reset_input(auvia_portc_t *);
static void auvia_reset_output(auvia_portc_t *);
static void auvia_destroy(auvia_devc_t *);
static int auvia_setup_intrs(auvia_devc_t *);
static void auvia_hwinit(auvia_devc_t *);
static uint_t auvia_intr(caddr_t, caddr_t);
static audio_engine_ops_t auvia_engine_ops = {
AUDIO_ENGINE_VERSION,
auvia_open,
auvia_close,
auvia_start,
auvia_stop,
auvia_count,
auvia_format,
auvia_channels,
auvia_rate,
auvia_sync,
auvia_qlen
};
static uint16_t
auvia_read_ac97(void *arg, uint8_t index)
{
auvia_devc_t *devc = arg;
uint32_t val = 0;
int i;
mutex_enter(&devc->low_mutex);
val = ((uint32_t)index << 16) | CODEC_RD;
OUTL(devc, devc->base + REG_CODEC, val);
drv_usecwait(100);
/* Check AC CODEC access time out */
for (i = 0; i < CODEC_TIMEOUT_COUNT; i++) {
/* if send command over, break */
if (INL(devc, devc->base + REG_CODEC) & CODEC_STA_VALID)
break;
drv_usecwait(50);
}
if (i == CODEC_TIMEOUT_COUNT) {
goto failed;
}
/* Check if Index still ours? If yes, return data, else return FAIL */
val = INL(devc, devc->base + REG_CODEC);
OUTB(devc, devc->base + REG_CODEC + 3, 0x02);
if (((val & CODEC_INDEX) >> 16) == index) {
mutex_exit(&devc->low_mutex);
return (val & CODEC_DATA);
}
failed:
mutex_exit(&devc->low_mutex);
return (0xffff);
}
static void
auvia_write_ac97(void *arg, uint8_t index, uint16_t data)
{
auvia_devc_t *devc = arg;
uint32_t val = 0;
int i = 0;
mutex_enter(&devc->low_mutex);
val = ((uint32_t)index << 16) | data | CODEC_WR;
OUTL(devc, devc->base + REG_CODEC, val);
drv_usecwait(100);
/* Check AC CODEC access time out */
for (i = 0; i < CODEC_TIMEOUT_COUNT; i++) {
/* if send command over, break */
if (!(INL(devc, devc->base + REG_CODEC) & CODEC_IN_CMD))
break;
drv_usecwait(50);
}
mutex_exit(&devc->low_mutex);
}
static uint_t
auvia_intr(caddr_t argp, caddr_t nocare)
{
auvia_devc_t *devc = (void *)argp;
auvia_portc_t *portc;
uint32_t gstat;
uint8_t status;
unsigned intrs = 0;
_NOTE(ARGUNUSED(nocare));
mutex_enter(&devc->mutex);
if (devc->suspended) {
mutex_exit(&devc->mutex);
return (DDI_INTR_UNCLAIMED);
}
gstat = INL(devc, devc->base + REG_GSTAT);
if (gstat == 0) {
mutex_exit(&devc->mutex);
return (DDI_INTR_UNCLAIMED);
}
for (int i = 0; i < AUVIA_NUM_PORTC; i++) {
portc = devc->portc[i];
status = INB(devc, portc->base + OFF_STATUS);
if ((status & STATUS_INTR) == 0) {
/* clear any other interrupts */
continue;
}
/*
* NB: The old code did some goofy things to update
* the last valid SGD. However, since we don't ever
* reach the last valid SGD (because we loop first), I
* don't believe we need to do that. It would appear
* that NetBSD does the same.
*/
/* port interrupt */
if (portc->started) {
intrs |= (1U << i);
}
/* XXX: do we really need to do this? */
OUTB(devc, portc->base + OFF_STATUS, status);
}
OUTL(devc, devc->base + REG_GSTAT, gstat);
mutex_exit(&devc->mutex);
if (intrs & (1U << AUVIA_PLAY_SGD_NUM)) {
audio_engine_consume(devc->portc[AUVIA_PLAY_SGD_NUM]->engine);
}
if (intrs & (1U << AUVIA_REC_SGD_NUM)) {
audio_engine_produce(devc->portc[AUVIA_REC_SGD_NUM]->engine);
}
if (devc->ksp) {
AUVIA_KIOP(devc)->intrs[KSTAT_INTR_HARD]++;
}
return (DDI_INTR_CLAIMED);
}
/*
* Audio routines
*/
int
auvia_open(void *arg, int flag,
unsigned *fragfrp, unsigned *nfragsp, caddr_t *bufp)
{
auvia_portc_t *portc = arg;
auvia_devc_t *devc = portc->devc;
_NOTE(ARGUNUSED(flag));
portc->started = B_FALSE;
portc->count = 0;
*fragfrp = portc->fragfr;
*nfragsp = AUVIA_NUM_SGD;
*bufp = portc->buf_kaddr;
mutex_enter(&devc->mutex);
portc->reset(portc);
mutex_exit(&devc->mutex);
return (0);
}
void
auvia_close(void *arg)
{
auvia_portc_t *portc = arg;
auvia_devc_t *devc = portc->devc;
mutex_enter(&devc->mutex);
auvia_stop_port(portc);
portc->started = B_FALSE;
mutex_exit(&devc->mutex);
}
int
auvia_start(void *arg)
{
auvia_portc_t *portc = arg;
auvia_devc_t *devc = portc->devc;
mutex_enter(&devc->mutex);
if (!portc->started) {
auvia_start_port(portc);
portc->started = B_TRUE;
}
mutex_exit(&devc->mutex);
return (0);
}
void
auvia_stop(void *arg)
{
auvia_portc_t *portc = arg;
auvia_devc_t *devc = portc->devc;
mutex_enter(&devc->mutex);
if (portc->started) {
auvia_stop_port(portc);
portc->started = B_FALSE;
}
mutex_exit(&devc->mutex);
}
int
auvia_format(void *arg)
{
_NOTE(ARGUNUSED(arg));
return (AUDIO_FORMAT_S16_LE);
}
int
auvia_channels(void *arg)
{
auvia_portc_t *portc = arg;
return (portc->nchan);
}
int
auvia_rate(void *arg)
{
_NOTE(ARGUNUSED(arg));
return (48000);
}
void
auvia_sync(void *arg, unsigned nframes)
{
auvia_portc_t *portc = arg;
_NOTE(ARGUNUSED(nframes));
(void) ddi_dma_sync(portc->buf_dmah, 0, 0, portc->syncdir);
}
size_t
auvia_qlen(void *arg)
{
_NOTE(ARGUNUSED(arg));
return (0);
}
uint64_t
auvia_count(void *arg)
{
auvia_portc_t *portc = arg;
auvia_devc_t *devc = portc->devc;
uint64_t val;
mutex_enter(&devc->mutex);
auvia_update_port(portc);
/*
* The residual is in bytes. We have to convert to frames,
* and then subtract it from the fragment size to get the
* number of frames processed. It is somewhat unfortunate thta
* this (the division) has to happen under the lock. If we
* restricted ourself to stereo out, this would be a simple
* shift.
*/
val = portc->count +
(portc->fragfr - (portc->resid / (portc->nchan * 2)));
mutex_exit(&devc->mutex);
return (val);
}
/* private implementation bits */
void
auvia_start_port(auvia_portc_t *portc)
{
auvia_devc_t *devc = portc->devc;
ASSERT(mutex_owned(&devc->mutex));
if (devc->suspended)
return;
/*
* Start with autoinit and SGD flag
* interrupts enabled.
*/
OUTB(devc, portc->base + OFF_CTRL,
CTRL_START | CTRL_AUTOSTART | CTRL_FLAG);
}
void
auvia_stop_port(auvia_portc_t *portc)
{
auvia_devc_t *devc = portc->devc;
if (devc->suspended)
return;
OUTB(devc, portc->base + OFF_CTRL, CTRL_TERMINATE);
}
void
auvia_update_port(auvia_portc_t *portc)
{
auvia_devc_t *devc = portc->devc;
uint32_t frag;
uint32_t n;
ASSERT(mutex_owned(&devc->mutex));
if (devc->suspended) {
portc->cur_frag = 0;
portc->resid = portc->fragsz;
n = 0;
} else {
frag = INL(devc, portc->base + OFF_COUNT);
portc->resid = (frag & 0xffffff);
frag >>= 24;
frag &= 0xff;
if (frag >= portc->cur_frag) {
n = frag - portc->cur_frag;
} else {
n = frag + AUVIA_NUM_SGD - portc->cur_frag;
}
portc->count += (n * portc->fragfr);
portc->cur_frag = frag;
}
}
void
auvia_reset_output(auvia_portc_t *portc)
{
auvia_devc_t *devc = portc->devc;
uint32_t cmap;
portc->cur_frag = 0;
portc->resid = portc->fragsz;
if (devc->suspended)
return;
OUTB(devc, portc->base + OFF_CTRL, CTRL_TERMINATE); /* Stop */
OUTL(devc, portc->base + OFF_DMA, portc->sgd_paddr);
OUTB(devc, portc->base + OFF_PLAYFMT,
PLAYFMT_16BIT | (portc->nchan << 4));
/* Select channel assignment - not valid for 8233A */
if (devc->chip_type != CHIP_8233A) {
/*
* Undocumented slot mapping table:
*
* slot 3 = 1 (left)
* slot 4 = 2 (right)
* slot 6 = 5 (center)
* slot 9 = 6 (lfe)
* slot 7 = 3 (left rear)
* slot 8 = 4 (right rear)
*/
switch (portc->nchan) {
case 1:
cmap = (1 << 0) | (1 << 4);
break;
case 2:
cmap = (1 << 0) | (2 << 4);
break;
case 4:
cmap = (1 << 0) | (2 << 4) | (3 << 8) | (4 << 12);
break;
case 6:
cmap = (1 << 0) | (2 << 4) |
(5 << 8) | (6 << 12) | (3 << 16) | (4 << 20);
break;
default:
cmap = 0;
break;
}
OUTL(devc, portc->base + OFF_CHANNELS, cmap | 0xFF000000U);
}
}
static void
auvia_reset_input(auvia_portc_t *portc)
{
auvia_devc_t *devc = portc->devc;
uint32_t fmt;
portc->cur_frag = 0;
portc->resid = portc->fragsz;
if (devc->suspended)
return;
OUTB(devc, portc->base + OFF_CTRL, CTRL_TERMINATE); /* Stop */
OUTL(devc, portc->base + OFF_DMA, portc->sgd_paddr);
fmt = RECFMT_STEREO | RECFMT_16BIT;
if (devc->chip_type != CHIP_8233A) {
fmt |= RECFMT_48K;
}
fmt |= (0xffU << 24);
OUTB(devc, portc->base + OFF_RECFIFO, RECFIFO_ENABLE);
OUTL(devc, portc->base + OFF_RECFMT, fmt);
}
int
auvia_alloc_port(auvia_devc_t *devc, int num)
{
auvia_portc_t *portc;
size_t len;
ddi_dma_cookie_t cookie;
uint_t count;
int dir;
char *prop;
unsigned caps;
audio_dev_t *adev;
uint32_t *desc;
uint32_t paddr;
adev = devc->adev;
portc = kmem_zalloc(sizeof (*portc), KM_SLEEP);
devc->portc[num] = portc;
portc->devc = devc;
portc->started = B_FALSE;
switch (num) {
case AUVIA_REC_SGD_NUM:
prop = "record-interrupts";
portc->base = devc->base + REG_RECBASE;
portc->syncdir = DDI_DMA_SYNC_FORKERNEL;
portc->nchan = 2;
portc->reset = auvia_reset_input;
caps = ENGINE_INPUT_CAP;
dir = DDI_DMA_READ;
break;
case AUVIA_PLAY_SGD_NUM:
prop = "play-interrupts";
portc->base = devc->base + REG_PLAYBASE;
portc->syncdir = DDI_DMA_SYNC_FORDEV;
portc->nchan = 6;
portc->reset = auvia_reset_output;
caps = ENGINE_OUTPUT_CAP;
dir = DDI_DMA_WRITE;
break;
default:
return (DDI_FAILURE);
}
/* make sure port is shut down */
OUTB(portc->devc, portc->base + OFF_CTRL, CTRL_TERMINATE);
/* figure out fragment configuration */
portc->intrs = ddi_prop_get_int(DDI_DEV_T_ANY, devc->dip,
DDI_PROP_DONTPASS, prop, AUVIA_INTRS);
/* make sure the values are good */
if (portc->intrs < AUVIA_MIN_INTRS) {
audio_dev_warn(adev, "%s too low, %d, reset to %d",
prop, portc->intrs, AUVIA_INTRS);
portc->intrs = AUVIA_INTRS;
} else if (portc->intrs > AUVIA_MAX_INTRS) {
audio_dev_warn(adev, "%s too high, %d, reset to %d",
prop, portc->intrs, AUVIA_INTRS);
portc->intrs = AUVIA_INTRS;
}
portc->fragfr = 48000 / portc->intrs;
portc->fragsz = portc->fragfr * portc->nchan * 2;
portc->buf_size = portc->fragsz * AUVIA_NUM_SGD;
/* first allocate up space for SGD list */
if (ddi_dma_alloc_handle(devc->dip, &dma_attr_sgd,
DDI_DMA_SLEEP, NULL, &portc->sgd_dmah) != DDI_SUCCESS) {
audio_dev_warn(adev, "failed to allocate SGD handle");
return (DDI_FAILURE);
}
if (ddi_dma_mem_alloc(portc->sgd_dmah,
AUVIA_NUM_SGD * 2 * sizeof (uint32_t), &dev_attr,
DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, &portc->sgd_kaddr,
&len, &portc->sgd_acch) != DDI_SUCCESS) {
audio_dev_warn(adev, "failed to allocate SGD memory");
return (DDI_FAILURE);
}
if (ddi_dma_addr_bind_handle(portc->sgd_dmah, NULL,
portc->sgd_kaddr, len, DDI_DMA_CONSISTENT | DDI_DMA_WRITE,
DDI_DMA_SLEEP, NULL, &cookie, &count) != DDI_SUCCESS) {
audio_dev_warn(adev, "failed binding SGD DMA handle");
return (DDI_FAILURE);
}
portc->sgd_paddr = cookie.dmac_address;
/* now buffers */
if (ddi_dma_alloc_handle(devc->dip, &dma_attr_buf, DDI_DMA_SLEEP, NULL,
&portc->buf_dmah) != DDI_SUCCESS) {
audio_dev_warn(adev, "failed to allocate BUF handle");
return (DDI_FAILURE);
}
if (ddi_dma_mem_alloc(portc->buf_dmah, portc->buf_size,
&buf_attr, DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL,
&portc->buf_kaddr, &len, &portc->buf_acch) != DDI_SUCCESS) {
audio_dev_warn(adev, "failed to allocate BUF memory");
return (DDI_FAILURE);
}
if (ddi_dma_addr_bind_handle(portc->buf_dmah, NULL, portc->buf_kaddr,
len, DDI_DMA_CONSISTENT | dir, DDI_DMA_SLEEP, NULL, &cookie,
&count) != DDI_SUCCESS) {
audio_dev_warn(adev, "failed binding BUF DMA handle");
return (DDI_FAILURE);
}
portc->buf_paddr = cookie.dmac_address;
/* now wire descriptors up */
desc = (void *)portc->sgd_kaddr;
paddr = portc->buf_paddr;
for (int i = 0; i < AUVIA_NUM_SGD; i++) {
uint32_t flags;
flags = AUVIA_SGD_FLAG | portc->fragsz;
if (i == (AUVIA_NUM_SGD - 1)) {
flags |= AUVIA_SGD_EOL;
}
ddi_put32(portc->sgd_acch, desc++, paddr);
ddi_put32(portc->sgd_acch, desc++, flags);
paddr += portc->fragsz;
}
(void) ddi_dma_sync(portc->sgd_dmah, 0, 0, DDI_DMA_SYNC_FORDEV);
portc->engine = audio_engine_alloc(&auvia_engine_ops, caps);
if (portc->engine == NULL) {
audio_dev_warn(adev, "audio_engine_alloc failed");
return (DDI_FAILURE);
}
audio_engine_set_private(portc->engine, portc);
audio_dev_add_engine(adev, portc->engine);
return (DDI_SUCCESS);
}
int
auvia_setup_intrs(auvia_devc_t *devc)
{
uint_t ipri;
int actual;
int rv;
ddi_intr_handle_t ih[1];
rv = ddi_intr_alloc(devc->dip, ih, DDI_INTR_TYPE_FIXED,
0, 1, &actual, DDI_INTR_ALLOC_STRICT);
if ((rv != DDI_SUCCESS) || (actual != 1)) {
audio_dev_warn(devc->adev,
"Can't alloc interrupt handle (rv %d actual %d)",
rv, actual);
return (DDI_FAILURE);
}
if (ddi_intr_get_pri(ih[0], &ipri) != DDI_SUCCESS) {
audio_dev_warn(devc->adev, "Can't get interrupt priority");
(void) ddi_intr_free(ih[0]);
return (DDI_FAILURE);
}
if (ddi_intr_add_handler(ih[0], auvia_intr, devc, NULL) !=
DDI_SUCCESS) {
audio_dev_warn(devc->adev, "Can't add interrupt handler");
(void) ddi_intr_free(ih[0]);
return (DDI_FAILURE);
}
devc->ih = ih[0];
mutex_init(&devc->mutex, NULL, MUTEX_DRIVER, DDI_INTR_PRI(ipri));
mutex_init(&devc->low_mutex, NULL, MUTEX_DRIVER, DDI_INTR_PRI(ipri));
return (DDI_SUCCESS);
}
void
auvia_destroy(auvia_devc_t *devc)
{
if (devc->ih != NULL) {
(void) ddi_intr_disable(devc->ih);
(void) ddi_intr_remove_handler(devc->ih);
(void) ddi_intr_free(devc->ih);
mutex_destroy(&devc->mutex);
mutex_destroy(&devc->low_mutex);
}
if (devc->ksp) {
kstat_delete(devc->ksp);
}
for (int i = 0; i < AUVIA_NUM_PORTC; i++) {
auvia_portc_t *portc = devc->portc[i];
if (!portc)
continue;
if (portc->engine) {
audio_dev_remove_engine(devc->adev, portc->engine);
audio_engine_free(portc->engine);
}
if (portc->sgd_paddr) {
(void) ddi_dma_unbind_handle(portc->sgd_dmah);
}
if (portc->sgd_acch) {
ddi_dma_mem_free(&portc->sgd_acch);
}
if (portc->sgd_dmah) {
ddi_dma_free_handle(&portc->sgd_dmah);
}
if (portc->buf_paddr) {
(void) ddi_dma_unbind_handle(portc->buf_dmah);
}
if (portc->buf_acch) {
ddi_dma_mem_free(&portc->buf_acch);
}
if (portc->buf_dmah) {
ddi_dma_free_handle(&portc->buf_dmah);
}
kmem_free(portc, sizeof (*portc));
}
if (devc->ac97 != NULL) {
ac97_free(devc->ac97);
}
if (devc->adev != NULL) {
audio_dev_free(devc->adev);
}
if (devc->regsh != NULL) {
ddi_regs_map_free(&devc->regsh);
}
if (devc->pcih != NULL) {
pci_config_teardown(&devc->pcih);
}
kmem_free(devc, sizeof (*devc));
}
void
auvia_hwinit(auvia_devc_t *devc)
{
ddi_acc_handle_t pcih = devc->pcih;
uint32_t val;
val = pci_config_get32(pcih, AUVIA_PCICFG);
/* we want to disable all legacy */
val &= ~AUVIA_PCICFG_LEGACY;
val &= ~(AUVIA_PCICFG_FMEN | AUVIA_PCICFG_SBEN);
/* enable AC'97 link and clear the reset bit */
val |= (AUVIA_PCICFG_ACLINKEN | AUVIA_PCICFG_NRST);
/* disable SRC (we won't use it) */
val &= ~AUVIA_PCICFG_SRCEN;
/* enable the SGD engines */
val |= AUVIA_PCICFG_SGDEN;
pci_config_put32(pcih, AUVIA_PCICFG, val);
drv_usecwait(10);
}
int
auvia_attach(dev_info_t *dip)
{
uint8_t pci_revision;
uint16_t pci_command, vendor, device;
auvia_devc_t *devc;
ddi_acc_handle_t pcih;
const char *version;
devc = kmem_zalloc(sizeof (*devc), KM_SLEEP);
devc->dip = dip;
ddi_set_driver_private(dip, devc);
if ((devc->adev = audio_dev_alloc(dip, 0)) == NULL) {
cmn_err(CE_WARN, "audio_dev_alloc failed");
goto error;
}
if (pci_config_setup(dip, &pcih) != DDI_SUCCESS) {
audio_dev_warn(devc->adev, "pci_config_setup failed");
goto error;
}
devc->pcih = pcih;
vendor = pci_config_get16(pcih, PCI_CONF_VENID);
device = pci_config_get16(pcih, PCI_CONF_DEVID);
if ((vendor != VIA_VENDOR_ID) || (device != VIA_8233_ID &&
device != VIA_8233A_ID)) {
audio_dev_warn(devc->adev, "Hardware not recognized "
"(vendor=%x, dev=%x)", vendor, device);
goto error;
}
devc->chip_type = CHIP_8233;
devc->chip_name = "VIA VT8233";
version = "8233";
pci_revision = pci_config_get8(pcih, PCI_CONF_REVID);
if (pci_revision == 0x50) {
devc->chip_name = "VIA VT8235";
version = "8235";
}
if (pci_revision == 0x60) {
devc->chip_name = "VIA VT8237";
version = "8237";
}
if ((device == VIA_8233A_ID) ||
(device == VIA_8233_ID && pci_revision == 0x40)) {
devc->chip_type = CHIP_8233A;
devc->chip_name = "VIA VT8233A";
version = "8233A";
}
audio_dev_set_description(devc->adev, devc->chip_name);
audio_dev_set_version(devc->adev, version);
pci_command = pci_config_get16(pcih, PCI_CONF_COMM);
pci_command |= PCI_COMM_ME | PCI_COMM_IO | PCI_COMM_MAE;
pci_config_put16(pcih, PCI_CONF_COMM, pci_command);
if ((ddi_regs_map_setup(dip, 1, &devc->base, 0, 0, &dev_attr,
&devc->regsh)) != DDI_SUCCESS) {
audio_dev_warn(devc->adev, "failed to map registers");
goto error;
}
auvia_hwinit(devc);
if ((auvia_alloc_port(devc, AUVIA_PLAY_SGD_NUM) != DDI_SUCCESS) ||
(auvia_alloc_port(devc, AUVIA_REC_SGD_NUM) != DDI_SUCCESS)) {
goto error;
}
if (auvia_setup_intrs(devc) != DDI_SUCCESS) {
goto error;
}
devc->ac97 = ac97_alloc(dip, auvia_read_ac97, auvia_write_ac97, devc);
if (devc->ac97 == NULL) {
audio_dev_warn(devc->adev, "failed to allocate ac97 handle");
goto error;
}
if (ac97_init(devc->ac97, devc->adev) != DDI_SUCCESS) {
audio_dev_warn(devc->adev, "failed to init ac97");
goto error;
}
/* set up kernel statistics */
if ((devc->ksp = kstat_create(AUVIA_NAME, ddi_get_instance(dip),
AUVIA_NAME, "controller", KSTAT_TYPE_INTR, 1,
KSTAT_FLAG_PERSISTENT)) != NULL) {
kstat_install(devc->ksp);
}
if (audio_dev_register(devc->adev) != DDI_SUCCESS) {
audio_dev_warn(devc->adev, "unable to register with framework");
goto error;
}
(void) ddi_intr_enable(devc->ih);
ddi_report_dev(dip);
return (DDI_SUCCESS);
error:
auvia_destroy(devc);
return (DDI_FAILURE);
}
int
auvia_resume(dev_info_t *dip)
{
auvia_devc_t *devc;
devc = ddi_get_driver_private(dip);
auvia_hwinit(devc);
/* allow ac97 operations again */
ac97_resume(devc->ac97);
mutex_enter(&devc->mutex);
devc->suspended = B_TRUE;
for (int i = 0; i < AUVIA_NUM_PORTC; i++) {
auvia_portc_t *portc = devc->portc[i];
if (portc->engine != NULL)
audio_engine_reset(portc->engine);
/* reset the port */
portc->reset(portc);
if (portc->started) {
auvia_start_port(portc);
} else {
auvia_stop_port(portc);
}
}
mutex_exit(&devc->mutex);
return (DDI_SUCCESS);
}
int
auvia_detach(auvia_devc_t *devc)
{
if (audio_dev_unregister(devc->adev) != DDI_SUCCESS)
return (DDI_FAILURE);
auvia_destroy(devc);
return (DDI_SUCCESS);
}
int
auvia_suspend(auvia_devc_t *devc)
{
ac97_suspend(devc->ac97);
mutex_enter(&devc->mutex);
for (int i = 0; i < AUVIA_NUM_PORTC; i++) {
auvia_portc_t *portc = devc->portc[i];
auvia_stop_port(portc);
}
devc->suspended = B_TRUE;
mutex_exit(&devc->mutex);
return (DDI_SUCCESS);
}
static int auvia_ddi_attach(dev_info_t *, ddi_attach_cmd_t);
static int auvia_ddi_detach(dev_info_t *, ddi_detach_cmd_t);
static int auvia_ddi_quiesce(dev_info_t *);
static struct dev_ops auvia_dev_ops = {
DEVO_REV, /* rev */
0, /* refcnt */
NULL, /* getinfo */
nulldev, /* identify */
nulldev, /* probe */
auvia_ddi_attach, /* attach */
auvia_ddi_detach, /* detach */
nodev, /* reset */
NULL, /* cb_ops */
NULL, /* bus_ops */
NULL, /* power */
auvia_ddi_quiesce, /* quiesce */
};
static struct modldrv auvia_modldrv = {
&mod_driverops, /* drv_modops */
"Via 823x Audio", /* linkinfo */
&auvia_dev_ops, /* dev_ops */
};
static struct modlinkage modlinkage = {
MODREV_1,
{ &auvia_modldrv, NULL }
};
int
_init(void)
{
int rv;
audio_init_ops(&auvia_dev_ops, AUVIA_NAME);
if ((rv = mod_install(&modlinkage)) != 0) {
audio_fini_ops(&auvia_dev_ops);
}
return (rv);
}
int
_fini(void)
{
int rv;
if ((rv = mod_remove(&modlinkage)) == 0) {
audio_fini_ops(&auvia_dev_ops);
}
return (rv);
}
int
_info(struct modinfo *modinfop)
{
return (mod_info(&modlinkage, modinfop));
}
int
auvia_ddi_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
{
switch (cmd) {
case DDI_ATTACH:
return (auvia_attach(dip));
case DDI_RESUME:
return (auvia_resume(dip));
default:
return (DDI_FAILURE);
}
}
int
auvia_ddi_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
{
auvia_devc_t *devc;
devc = ddi_get_driver_private(dip);
switch (cmd) {
case DDI_DETACH:
return (auvia_detach(devc));
case DDI_SUSPEND:
return (auvia_suspend(devc));
default:
return (DDI_FAILURE);
}
}
int
auvia_ddi_quiesce(dev_info_t *dip)
{
auvia_devc_t *devc;
devc = ddi_get_driver_private(dip);
for (int i = 0; i < AUVIA_NUM_PORTC; i++) {
auvia_portc_t *portc = devc->portc[i];
auvia_stop_port(portc);
}
return (DDI_SUCCESS);
}