/* Enable DMA */
int
atppc_isadma_setup(struct atppc_softc * lsc, isa_chipset_tag_t ic, int drq)
{
int error = 1;
/* Reserve DRQ */
if (isa_drq_alloc(ic, drq)) {
ATPPC_DPRINTF(("%s(%s): cannot reserve DRQ line.\n", __func__,
device_xname(lsc->sc_dev)));
return error;
}
/* Get maximum DMA size for isa bus */
lsc->sc_dma_maxsize = isa_dmamaxsize(ic, drq);
/* Create dma mapping */
error = isa_dmamap_create(ic, drq, lsc->sc_dma_maxsize,
BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW);
return error;
}
void
satlinkattach(device_t parent, device_t self, void *aux)
{
struct satlink_softc *sc = device_private(self);
struct isa_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_iot;
bus_space_handle_t ioh;
bus_addr_t ringaddr;
printf("\n");
/* Map the card. */
if (bus_space_map(iot, ia->ia_io[0].ir_addr, SATLINK_IOSIZE, 0, &ioh)) {
aprint_error_dev(self, "can't map i/o space\n");
return;
}
sc->sc_iot = iot;
sc->sc_ioh = ioh;
sc->sc_ic = ia->ia_ic;
sc->sc_drq = ia->ia_drq[0].ir_drq;
/* Reset the card. */
bus_space_write_1(iot, ioh, SATLINK_COMMAND, SATLINK_CMD_RESET);
/* Read ID from the card. */
sc->sc_id.sid_mfrid =
bus_space_read_1(iot, ioh, SATLINK_MFRID_L) |
(bus_space_read_1(iot, ioh, SATLINK_MFRID_H) << 8);
sc->sc_id.sid_grpid = bus_space_read_1(iot, ioh, SATLINK_GRPID);
sc->sc_id.sid_userid =
bus_space_read_1(iot, ioh, SATLINK_USERID_L) |
(bus_space_read_1(iot, ioh, SATLINK_USERID_H) << 8);
sc->sc_id.sid_serial =
bus_space_read_1(iot, ioh, SATLINK_SER_L) |
(bus_space_read_1(iot, ioh, SATLINK_SER_M0) << 8) |
(bus_space_read_1(iot, ioh, SATLINK_SER_M1) << 16) |
(bus_space_read_1(iot, ioh, SATLINK_SER_H) << 24);
printf("%s: mfrid 0x%x, grpid 0x%x, userid 0x%x, serial %d\n",
device_xname(self), sc->sc_id.sid_mfrid,
sc->sc_id.sid_grpid, sc->sc_id.sid_userid,
sc->sc_id.sid_serial);
callout_init(&sc->sc_ch, 0);
selinit(&sc->sc_selq);
sc->sc_bufsize = isa_dmamaxsize(sc->sc_ic, sc->sc_drq);
/* Allocate and map the ring buffer. */
if (isa_dmamem_alloc(sc->sc_ic, sc->sc_drq, sc->sc_bufsize,
&ringaddr, BUS_DMA_NOWAIT)) {
aprint_error_dev(self, "can't allocate ring buffer\n");
return;
}
if (isa_dmamem_map(sc->sc_ic, sc->sc_drq, ringaddr, sc->sc_bufsize,
&sc->sc_buf, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
aprint_error_dev(self, "can't map ring buffer\n");
isa_dmamem_free(sc->sc_ic, sc->sc_drq, ringaddr,
sc->sc_bufsize);
return;
}
if (isa_drq_alloc(sc->sc_ic, sc->sc_drq) != 0) {
aprint_error_dev(self, "can't reserve drq %d\n",
sc->sc_drq);
isa_dmamem_unmap(sc->sc_ic, sc->sc_drq, sc->sc_buf,
sc->sc_bufsize);
isa_dmamem_free(sc->sc_ic, sc->sc_drq, ringaddr,
sc->sc_bufsize);
return;
}
/* Create the DMA map. */
if (isa_dmamap_create(sc->sc_ic, sc->sc_drq, sc->sc_bufsize,
BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
aprint_error_dev(self, "can't create DMA map\n");
isa_dmamem_unmap(sc->sc_ic, sc->sc_drq, sc->sc_buf,
sc->sc_bufsize);
isa_dmamem_free(sc->sc_ic, sc->sc_drq, ringaddr,
sc->sc_bufsize);
return;
}
}
/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver .
*/
void
ad1848_attach(struct ad1848_softc *sc)
{
int i;
struct ad1848_volume vol_mid = {220, 220};
struct ad1848_volume vol_0 = {0, 0};
struct audio_params pparams, rparams;
int timeout;
sc->sc_playrun = 0;
sc->sc_recrun = 0;
if (sc->sc_drq != -1) {
if (isa_dmamap_create(sc->sc_isa, sc->sc_drq, MAX_ISADMA,
BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
printf("ad1848_attach: can't create map for drq %d\n",
sc->sc_drq);
return;
}
}
if (sc->sc_recdrq != -1 && sc->sc_recdrq != sc->sc_drq) {
if (isa_dmamap_create(sc->sc_isa, sc->sc_recdrq, MAX_ISADMA,
BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) {
printf("ad1848_attach: can't create map for second drq %d\n",
sc->sc_recdrq);
return;
}
}
/* Initialize the ad1848... */
for (i = 0; i < 0x10; i++) {
ad_write(sc, i, ad1848_init_values[i]);
timeout = AD1848_TIMO;
while (timeout > 0 && ADREAD(sc, AD1848_IADDR) & SP_IN_INIT)
timeout--;
}
/* need 2 separate drqs for mode 2 */
if ((sc->mode == 2) &&
((sc->sc_recdrq == -1) || (sc->sc_recdrq == sc->sc_drq))) {
ad_write(sc, SP_MISC_INFO, ad_read(sc, SP_MISC_INFO) & ~MODE2);
if (!(ad_read(sc, SP_MISC_INFO) & MODE2))
sc->mode = 1;
}
/* ...and additional CS4231 stuff too */
if (sc->mode == 2) {
ad_write(sc, SP_INTERFACE_CONFIG, 0); /* disable SINGLE_DMA */
for (i = 0x10; i < 0x20; i++) {
if (ad1848_init_values[i] != 0) {
ad_write(sc, i, ad1848_init_values[i]);
timeout = AD1848_TIMO;
while (timeout > 0 &&
ADREAD(sc, AD1848_IADDR) & SP_IN_INIT)
timeout--;
}
}
}
ad1848_reset(sc);
pparams = audio_default;
rparams = audio_default;
(void) ad1848_set_params(sc, AUMODE_RECORD|AUMODE_PLAY, 0,
&pparams, &rparams);
/* Set default gains */
(void) ad1848_set_rec_gain(sc, &vol_mid);
(void) ad1848_set_channel_gain(sc, AD1848_DAC_CHANNEL, &vol_mid);
(void) ad1848_set_channel_gain(sc, AD1848_MONITOR_CHANNEL, &vol_0);
/* CD volume */
(void) ad1848_set_channel_gain(sc, AD1848_AUX1_CHANNEL, &vol_mid);
if (sc->mode == 2) {
/* CD volume */
(void) ad1848_set_channel_gain(sc, AD1848_AUX2_CHANNEL, &vol_mid);
(void) ad1848_set_channel_gain(sc, AD1848_LINE_CHANNEL, &vol_mid);
(void) ad1848_set_channel_gain(sc, AD1848_MONO_CHANNEL, &vol_0);
sc->mute[AD1848_MONO_CHANNEL] = MUTE_ALL;
} else
(void) ad1848_set_channel_gain(sc, AD1848_AUX2_CHANNEL, &vol_0);
/* Set default port */
(void) ad1848_set_rec_port(sc, MIC_IN_PORT);
if (sc->chip_name)
printf(": %s", sc->chip_name);
}