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