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o Unmute headphones on Imgtec CI20 board.

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o Add some delay between codec initialization procedures.

Sponsored by:	DARPA, AFRL
This commit is contained in:
Ruslan Bukin 2016-12-20 18:47:02 +00:00
parent b6a250518a
commit 46ac5f081d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=310334
1 changed files with 52 additions and 1 deletions
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53
sys/mips/ingenic/jz4780_codec.c
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@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
#include <sys/mutex.h>
#include <sys/resource.h>
#include <sys/rman.h>
#include <sys/gpio.h>
#include <machine/bus.h>
@ -50,9 +51,14 @@ __FBSDID("$FreeBSD$");
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/gpio/gpiobusvar.h>
#include <mips/ingenic/jz4780_common.h>
#include <mips/ingenic/jz4780_codec.h>
#define CI20_HP_PIN 13
#define CI20_HP_PORT 3
struct codec_softc {
device_t dev;
struct resource *res[1];
@ -149,6 +155,41 @@ codec_print_registers(struct codec_softc *sc)
printf("codec DR_ADC_AGC %x\n", codec_read(sc, DR_ADC_AGC));
}
/*
* CI20 board-specific
*/
static int
ci20_hp_unmute(struct codec_softc *sc)
{
device_t dev;
int port;
int err;
int pin;
pin = CI20_HP_PIN;
port = CI20_HP_PORT;
dev = devclass_get_device(devclass_find("gpio"), port);
if (dev == NULL)
return (0);
err = GPIO_PIN_SETFLAGS(dev, pin, GPIO_PIN_OUTPUT);
if (err != 0) {
device_printf(dev, "Cannot configure GPIO pin %d on %s\n",
pin, device_get_nameunit(dev));
return (err);
}
err = GPIO_PIN_SET(dev, pin, 0);
if (err != 0) {
device_printf(dev, "Cannot configure GPIO pin %d on %s\n",
pin, device_get_nameunit(dev));
return (err);
}
return (0);
}
static int
codec_probe(device_t dev)
{
@ -187,10 +228,14 @@ codec_attach(device_t dev)
reg &= ~(VIC_SB_SLEEP | VIC_SB);
codec_write(sc, CR_VIC, reg);
DELAY(20000);
reg = codec_read(sc, CR_DAC);
reg &= ~(DAC_SB | DAC_MUTE);
codec_write(sc, CR_DAC, reg);
DELAY(10000);
/* I2S, 16-bit, 96 kHz. */
reg = codec_read(sc, AICR_DAC);
reg &= ~(AICR_DAC_SB | DAC_ADWL_M);
@ -199,13 +244,19 @@ codec_attach(device_t dev)
reg |= AUDIOIF_I2S;
codec_write(sc, AICR_DAC, reg);
DELAY(10000);
reg = FCR_DAC_96;
codec_write(sc, FCR_DAC, reg);
DELAY(10000);
/* Unmute headphones. */
reg = codec_read(sc, CR_HP);
reg &= ~(HP_SB | HP_MUTE);
codec_write(sc, CR_HP, 0);
codec_write(sc, CR_HP, reg);
ci20_hp_unmute(sc);
return (0);
}