diff options
Diffstat (limited to 'sound/pci/ice1712/aureon.c')
| -rw-r--r-- | sound/pci/ice1712/aureon.c | 163 |
1 files changed, 160 insertions, 3 deletions
diff --git a/sound/pci/ice1712/aureon.c b/sound/pci/ice1712/aureon.c index 7e6608b..336dc48 100644 --- a/sound/pci/ice1712/aureon.c +++ b/sound/pci/ice1712/aureon.c @@ -87,7 +87,151 @@ #define CS8415_C_BUFFER 0x20 #define CS8415_ID 0x7F -static void aureon_ac97_write(struct snd_ice1712 *ice, unsigned short reg, unsigned short val) { +/* PCA9554 registers */ +#define PCA9554_DEV 0x40 /* I2C device address */ +#define PCA9554_IN 0x00 /* input port */ +#define PCA9554_OUT 0x01 /* output port */ +#define PCA9554_INVERT 0x02 /* input invert */ +#define PCA9554_DIR 0x03 /* port directions */ + +/* + * Aureon Universe additional controls using PCA9554 + */ + +/* + * Send data to pca9554 + */ +static void aureon_pca9554_write(struct snd_ice1712 *ice, unsigned char reg, + unsigned char data) +{ + unsigned int tmp; + int i, j; + unsigned char dev = PCA9554_DEV; /* ID 0100000, write */ + unsigned char val = 0; + + tmp = snd_ice1712_gpio_read(ice); + + snd_ice1712_gpio_set_mask(ice, ~(AUREON_SPI_MOSI|AUREON_SPI_CLK| + AUREON_WM_RW|AUREON_WM_CS| + AUREON_CS8415_CS)); + tmp |= AUREON_WM_RW; + tmp |= AUREON_CS8415_CS | AUREON_WM_CS; /* disable SPI devices */ + + tmp &= ~AUREON_SPI_MOSI; + tmp &= ~AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(50); + + /* + * send i2c stop condition and start condition + * to obtain sane state + */ + tmp |= AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(50); + tmp |= AUREON_SPI_MOSI; + snd_ice1712_gpio_write(ice, tmp); + udelay(100); + tmp &= ~AUREON_SPI_MOSI; + snd_ice1712_gpio_write(ice, tmp); + udelay(50); + tmp &= ~AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(100); + /* + * send device address, command and value, + * skipping ack cycles inbetween + */ + for (j = 0; j < 3; j++) { + switch(j) { + case 0: val = dev; break; + case 1: val = reg; break; + case 2: val = data; break; + } + for (i = 7; i >= 0; i--) { + tmp &= ~AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(40); + if (val & (1 << i)) + tmp |= AUREON_SPI_MOSI; + else + tmp &= ~AUREON_SPI_MOSI; + snd_ice1712_gpio_write(ice, tmp); + udelay(40); + tmp |= AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(40); + } + tmp &= ~AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(40); + tmp |= AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(40); + tmp &= ~AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(40); + } + tmp &= ~AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(40); + tmp &= ~AUREON_SPI_MOSI; + snd_ice1712_gpio_write(ice, tmp); + udelay(40); + tmp |= AUREON_SPI_CLK; + snd_ice1712_gpio_write(ice, tmp); + udelay(50); + tmp |= AUREON_SPI_MOSI; + snd_ice1712_gpio_write(ice, tmp); + udelay(100); +} + +static int aureon_universe_inmux_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + char *texts[3] = {"Internal Aux", "Wavetable", "Rear Line-In"}; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = 3; + if(uinfo->value.enumerated.item >= uinfo->value.enumerated.items) + uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1; + strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); + return 0; +} + +static int aureon_universe_inmux_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + ucontrol->value.integer.value[0] = ice->spec.aureon.pca9554_out; + return 0; +} + +static int aureon_universe_inmux_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); + unsigned char oval, nval; + int change; + + snd_ice1712_save_gpio_status(ice); + + oval = ice->spec.aureon.pca9554_out; + nval = ucontrol->value.integer.value[0]; + if ((change = (oval != nval))) { + aureon_pca9554_write(ice, PCA9554_OUT, nval); + ice->spec.aureon.pca9554_out = nval; + } + snd_ice1712_restore_gpio_status(ice); + + return change; +} + + +static void aureon_ac97_write(struct snd_ice1712 *ice, unsigned short reg, + unsigned short val) +{ unsigned int tmp; /* Send address to XILINX chip */ @@ -146,7 +290,8 @@ static unsigned short aureon_ac97_read(struct snd_ice1712 *ice, unsigned short r /* * Initialize STAC9744 chip */ -static int aureon_ac97_init (struct snd_ice1712 *ice) { +static int aureon_ac97_init (struct snd_ice1712 *ice) +{ int i; static unsigned short ac97_defaults[] = { 0x00, 0x9640, @@ -1598,7 +1743,15 @@ static struct snd_kcontrol_new universe_ac97_controls[] __devinitdata = { .get = aureon_ac97_vol_get, .put = aureon_ac97_vol_put, .private_value = AC97_VIDEO|AUREON_AC97_STEREO - } + }, + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Aux Source", + .info = aureon_universe_inmux_info, + .get = aureon_universe_inmux_get, + .put = aureon_universe_inmux_put + } + }; @@ -1856,6 +2009,10 @@ static int __devinit aureon_init(struct snd_ice1712 *ice) } snd_ice1712_restore_gpio_status(ice); + + /* initialize PCA9554 pin directions & set default input*/ + aureon_pca9554_write(ice, PCA9554_DIR, 0x00); + aureon_pca9554_write(ice, PCA9554_OUT, 0x00); /* internal AUX */ ice->spec.aureon.master[0] = WM_VOL_MUTE; ice->spec.aureon.master[1] = WM_VOL_MUTE; |
