Page MenuHomeFreeBSD
Differential D19910 Diff 56223 sys/arm/allwinner/a10_codec.c

Changeset View

Standalone View

View Options

sys/arm/allwinner/a10_codec.c

Context not available.
struct a10codec_info { struct a10codec_info {
device_t dev; device_t dev;
struct resource *res[3]; struct resource *res[2];
struct mtx *lock; struct mtx *lock;
bus_dma_tag_t dmat; bus_dma_tag_t dmat;
unsigned dmasize; unsigned dmasize;
Context not available.
static struct resource_spec a10codec_spec[] = { static struct resource_spec a10codec_spec[] = {
{ SYS_RES_MEMORY, 0, RF_ACTIVE }, { SYS_RES_MEMORY, 0, RF_ACTIVE },
{ SYS_RES_MEMORY, 1, RF_ACTIVE | RF_OPTIONAL },
{ SYS_RES_IRQ, 0, RF_ACTIVE },
{ -1, 0 } { -1, 0 }
}; };
#define CODEC_ANALOG_READ(sc, reg) bus_read_4((sc)->res[1], (reg))
#define CODEC_ANALOG_WRITE(sc, reg, val) bus_write_4((sc)->res[1], (reg), (val))
#define CODEC_READ(sc, reg) bus_read_4((sc)->res[0], (reg)) #define CODEC_READ(sc, reg) bus_read_4((sc)->res[0], (reg))
#define CODEC_WRITE(sc, reg, val) bus_write_4((sc)->res[0], (reg), (val)) #define CODEC_WRITE(sc, reg, val) bus_write_4((sc)->res[0], (reg), (val))
Context not available.
#define A10_PA_EN (1U << 4) #define A10_PA_EN (1U << 4)
#define A10_DDE (1U << 3) #define A10_DDE (1U << 3)
static void
a10codec_stop(struct a10codec_chinfo *ch);
static int static int
a10_mixer_init(struct snd_mixer *m) a10_mixer_init(struct snd_mixer *m)
{ {
Context not available.
*/ */
#define H3_PR_CFG 0x00 #define H3_PR_CFG 0x00
#define H3_AC_PR_RST (1 << 18) #define H3_AC_PR_RST (1 << 28)
#define H3_AC_PR_RW (1 << 24) #define H3_AC_PR_RW (1 << 24)
#define H3_AC_PR_ADDR_SHIFT 16 #define H3_AC_PR_ADDR_SHIFT 16
#define H3_AC_PR_ADDR_MASK (0x1f << H3_AC_PR_ADDR_SHIFT) #define H3_AC_PR_ADDR_MASK (0x1f << H3_AC_PR_ADDR_SHIFT)
Context not available.
uint32_t val; uint32_t val;
/* Read current value */ /* Read current value */
val = bus_read_4(sc->res[1], H3_PR_CFG); val = CODEC_ANALOG_READ(sc, H3_PR_CFG);
/* De-assert reset */ /* De-assert reset */
val |= H3_AC_PR_RST; val |= H3_AC_PR_RST;
bus_write_4(sc->res[1], H3_PR_CFG, val); CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
/* Read mode */ /* Read mode */
val &= ~H3_AC_PR_RW; val &= ~H3_AC_PR_RW;
bus_write_4(sc->res[1], H3_PR_CFG, val); CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
/* Set address */ /* Set address */
val &= ~H3_AC_PR_ADDR_MASK; val &= ~H3_AC_PR_ADDR_MASK;
val |= (addr << H3_AC_PR_ADDR_SHIFT); val |= (addr << H3_AC_PR_ADDR_SHIFT);
bus_write_4(sc->res[1], H3_PR_CFG, val); CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
/* Read data */ /* Read data */
return (bus_read_4(sc->res[1], H3_PR_CFG) & H3_ACDA_PR_RDAT_MASK); return (CODEC_ANALOG_READ(sc , H3_PR_CFG) & H3_ACDA_PR_RDAT_MASK);
} }
static void static void
Context not available.
uint32_t val; uint32_t val;
/* Read current value */ /* Read current value */
val = bus_read_4(sc->res[1], H3_PR_CFG); val = CODEC_ANALOG_READ(sc, H3_PR_CFG);
/* De-assert reset */ /* De-assert reset */
val |= H3_AC_PR_RST; val |= H3_AC_PR_RST;
bus_write_4(sc->res[1], H3_PR_CFG, val); CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
/* Set address */ /* Set address */
val &= ~H3_AC_PR_ADDR_MASK; val &= ~H3_AC_PR_ADDR_MASK;
val |= (addr << H3_AC_PR_ADDR_SHIFT); val |= (addr << H3_AC_PR_ADDR_SHIFT);
bus_write_4(sc->res[1], H3_PR_CFG, val); CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
/* Write data */ /* Write data */
val &= ~H3_ACDA_PR_WDAT_MASK; val &= ~H3_ACDA_PR_WDAT_MASK;
val |= (data << H3_ACDA_PR_WDAT_SHIFT); val |= (data << H3_ACDA_PR_WDAT_SHIFT);
bus_write_4(sc->res[1], H3_PR_CFG, val); CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
/* Write mode */ /* Write mode */
val |= H3_AC_PR_RW; val |= H3_AC_PR_RW;
bus_write_4(sc->res[1], H3_PR_CFG, val); CODEC_ANALOG_WRITE(sc, H3_PR_CFG, val);
} }
static void static void
Context not available.
static int static int
h3_mixer_init(struct snd_mixer *m) h3_mixer_init(struct snd_mixer *m)
{ {
int rid=1;
pcell_t reg[2];
phandle_t analogref;
struct a10codec_info *sc = mix_getdevinfo(m); struct a10codec_info *sc = mix_getdevinfo(m);
if (OF_getencprop(ofw_bus_get_node(sc->dev), "allwinner,codec-analog-controls",
&analogref, sizeof(analogref)) <= 0) {
return (ENXIO);
}
if (OF_getencprop(OF_node_from_xref(analogref), "reg",
reg, sizeof(reg)) <= 0) {
return (ENXIO);
}
sc->res[1] = bus_alloc_resource(sc->dev, SYS_RES_MEMORY, &rid, reg[0],
reg[0]+reg[1], reg[1], RF_ACTIVE );
manuUnsubmitted
Done
Inline Actions

Using reg[0] + reg[1] should work for the end parameter.

manu: Using reg[0] + reg[1] should work for the end parameter.
if (sc->res[1] == NULL) {
return (ENXIO);
}
mix_setdevs(m, SOUND_MASK_PCM | SOUND_MASK_VOLUME | SOUND_MASK_RECLEV | mix_setdevs(m, SOUND_MASK_PCM | SOUND_MASK_VOLUME | SOUND_MASK_RECLEV |
SOUND_MASK_MIC | SOUND_MASK_LINE | SOUND_MASK_LINE1); SOUND_MASK_MIC | SOUND_MASK_LINE | SOUND_MASK_LINE1);
mix_setrecdevs(m, SOUND_MASK_MIC | SOUND_MASK_LINE | SOUND_MASK_LINE1 | mix_setrecdevs(m, SOUND_MASK_MIC | SOUND_MASK_LINE | SOUND_MASK_LINE1 |
Context not available.
ch->pos = 0; ch->pos = 0;
a10codec_stop(ch);
manuUnsubmitted
Not Done
Inline Actions

What's the reason for this stop here ?

manu: What's the reason for this stop here ?
freebsdnewbie_freenet.deAuthorUnsubmitted
Not Done
Inline Actions

Sometimes during testing the sound did not start the first time after a cold start/reboot. When i started the player once again, the sound was played correctly. I just wanted to set the peripheral to a known state before starting over. With this stop placed here, i could not reproduce the error during playing a sound the first time after reboot.

freebsdnewbie_freenet.de: Sometimes during testing the sound did not start the first time after a cold start/reboot. When…
if (ch->dir == PCMDIR_PLAY) { if (ch->dir == PCMDIR_PLAY) {
/* Flush DAC FIFO */ /* Flush DAC FIFO */
CODEC_WRITE(sc, AC_DAC_FIFOC(sc), DAC_FIFOC_FIFO_FLUSH); CODEC_WRITE(sc, AC_DAC_FIFOC(sc), DAC_FIFOC_FIFO_FLUSH);
Context not available.
} }
/* De-assert hwreset */ /* De-assert hwreset */
if (hwreset_get_by_ofw_name(dev, 0, "apb", &rst) == 0 || if (hwreset_get_by_ofw_idx(dev, 0, 0, &rst) == 0) {
hwreset_get_by_ofw_name(dev, 0, "ahb", &rst) == 0) {
error = hwreset_deassert(rst); error = hwreset_deassert(rst);
if (error != 0) { if (error != 0) {
device_printf(dev, "cannot de-assert reset\n"); device_printf(dev, "cannot de-assert reset\n");
Context not available.
val |= DAC_DPC_EN_DA; val |= DAC_DPC_EN_DA;
CODEC_WRITE(sc, AC_DAC_DPC(sc), val); CODEC_WRITE(sc, AC_DAC_DPC(sc), val);
#ifdef notdef
error = snd_setup_intr(dev, sc->irq, INTR_MPSAFE, a10codec_intr, sc,
&sc->ih);
if (error != 0) {
device_printf(dev, "could not setup interrupt handler\n");
goto fail;
}
#endif
if (mixer_init(dev, sc->cfg->mixer_class, sc)) { if (mixer_init(dev, sc->cfg->mixer_class, sc)) {
device_printf(dev, "mixer_init failed\n"); device_printf(dev, "mixer_init failed\n");
goto fail; goto fail;
Context not available.