static struct snd_pt2258 ptc_revo51_volume;
+/* AK4358 for AP192 DAC, AK5385A for ADC */
+static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
+{
+ struct snd_ice1712 *ice = ak->private_data[0];
+
+ revo_set_rate_val(ak, rate);
+
+#if 1 /* FIXME: do we need this procedure? */
+ /* reset DFS pin of AK5385A for ADC, too */
+ /* DFS0 (pin 18) -- GPIO10 pin 77 */
+ snd_ice1712_save_gpio_status(ice);
+ snd_ice1712_gpio_write_bits(ice, 1 << 10,
+ rate > 48000 ? (1 << 10) : 0);
+ snd_ice1712_restore_gpio_status(ice);
+#endif
+}
+
+static struct snd_akm4xxx_dac_channel ap192_dac[] = {
+ AK_DAC("PCM Playback Volume", 2)
+};
+
+static struct snd_akm4xxx akm_ap192 __devinitdata = {
+ .type = SND_AK4358,
+ .num_dacs = 2,
+ .ops = {
+ .set_rate_val = ap192_set_rate_val
+ },
+ .dac_info = ap192_dac,
+};
+
+static struct snd_ak4xxx_private akm_ap192_priv __devinitdata = {
+ .caddr = 2,
+ .cif = 0,
+ .data_mask = VT1724_REVO_CDOUT,
+ .clk_mask = VT1724_REVO_CCLK,
+ .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS3,
+ .cs_addr = VT1724_REVO_CS3,
+ .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS3,
+ .add_flags = VT1724_REVO_CCLK, /* high at init */
+ .mask_flags = 0,
+};
+
+#if 0
+/* FIXME: ak4114 makes the sound much lower due to some confliction,
+ * so let's disable it right now...
+ */
+#define BUILD_AK4114_AP192
+#endif
+
+#ifdef BUILD_AK4114_AP192
+/* AK4114 support on Audiophile 192 */
+/* CDTO (pin 32) -- GPIO2 pin 52
+ * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
+ * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
+ * CSN (pin 35) -- GPIO7 pin 59
+ */
+#define AK4114_ADDR 0x00
+
+static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
+ unsigned int data, int idx)
+{
+ for (; idx >= 0; idx--) {
+ /* drop clock */
+ gpio &= ~VT1724_REVO_CCLK;
+ snd_ice1712_gpio_write(ice, gpio);
+ udelay(1);
+ /* set data */
+ if (data & (1 << idx))
+ gpio |= VT1724_REVO_CDOUT;
+ else
+ gpio &= ~VT1724_REVO_CDOUT;
+ snd_ice1712_gpio_write(ice, gpio);
+ udelay(1);
+ /* raise clock */
+ gpio |= VT1724_REVO_CCLK;
+ snd_ice1712_gpio_write(ice, gpio);
+ udelay(1);
+ }
+}
+
+static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
+ int idx)
+{
+ unsigned char data = 0;
+
+ for (; idx >= 0; idx--) {
+ /* drop clock */
+ gpio &= ~VT1724_REVO_CCLK;
+ snd_ice1712_gpio_write(ice, gpio);
+ udelay(1);
+ /* read data */
+ if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
+ data |= (1 << idx);
+ udelay(1);
+ /* raise clock */
+ gpio |= VT1724_REVO_CCLK;
+ snd_ice1712_gpio_write(ice, gpio);
+ udelay(1);
+ }
+ return data;
+}
+
+static unsigned char ap192_4wire_start(struct snd_ice1712 *ice)
+{
+ unsigned int tmp;
+
+ snd_ice1712_save_gpio_status(ice);
+ tmp = snd_ice1712_gpio_read(ice);
+ tmp |= VT1724_REVO_CCLK; /* high at init */
+ tmp |= VT1724_REVO_CS0;
+ tmp &= ~VT1724_REVO_CS3;
+ snd_ice1712_gpio_write(ice, tmp);
+ udelay(1);
+ return tmp;
+}
+
+static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
+{
+ tmp |= VT1724_REVO_CS3;
+ tmp |= VT1724_REVO_CS0;
+ snd_ice1712_gpio_write(ice, tmp);
+ udelay(1);
+ snd_ice1712_restore_gpio_status(ice);
+}
+
+static void ap192_ak4114_write(void *private_data, unsigned char addr,
+ unsigned char data)
+{
+ struct snd_ice1712 *ice = private_data;
+ unsigned int tmp, addrdata;
+
+ tmp = ap192_4wire_start(ice);
+ addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
+ addrdata = (addrdata << 8) | data;
+ write_data(ice, tmp, addrdata, 15);
+ ap192_4wire_finish(ice, tmp);
+}
+
+static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
+{
+ struct snd_ice1712 *ice = private_data;
+ unsigned int tmp;
+ unsigned char data;
+
+ tmp = ap192_4wire_start(ice);
+ write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
+ data = read_data(ice, tmp, 7);
+ ap192_4wire_finish(ice, tmp);
+ return data;
+}
+
+static int ap192_ak4114_init(struct snd_ice1712 *ice)
+{
+ static unsigned char ak4114_init_vals[] = {
+ AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
+ AK4114_DIF_I24I2S,
+ AK4114_TX1E,
+ AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1),
+ 0,
+ 0
+ };
+ static unsigned char ak4114_init_txcsb[] = {
+ 0x41, 0x02, 0x2c, 0x00, 0x00
+ };
+ struct ak4114 *ak;
+ int err;
+
+ return snd_ak4114_create(ice->card,
+ ap192_ak4114_read,
+ ap192_ak4114_write,
+ ak4114_init_vals, ak4114_init_txcsb,
+ ice, &ak);
+}
+#endif /* BUILD_AK4114_AP192 */
+
static int __devinit revo_init(struct snd_ice1712 *ice)
{
struct snd_akm4xxx *ak;
ice->num_total_dacs = 6;
ice->num_total_adcs = 2;
break;
+ case VT1724_SUBDEVICE_AUDIOPHILE192:
+ ice->num_total_dacs = 2;
+ ice->num_total_adcs = 2;
+ break;
default:
snd_BUG();
return -EINVAL;
snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
VT1724_REVO_MUTE);
break;
+ case VT1724_SUBDEVICE_AUDIOPHILE192:
+ ice->akm_codecs = 1;
+ err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
+ ice);
+ if (err < 0)
+ return err;
+
+ break;
}
return 0;
if (err < 0)
return err;
break;
+ case VT1724_SUBDEVICE_AUDIOPHILE192:
+ err = snd_ice1712_akm4xxx_build_controls(ice);
+ if (err < 0)
+ return err;
+#ifdef BUILD_AK4114_AP192
+ err = ap192_ak4114_init(ice);
+ if (err < 0)
+ return err;
+#endif
+ break;
}
return 0;
}
.chip_init = revo_init,
.build_controls = revo_add_controls,
},
+ {
+ .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
+ .name = "M Audio Audiophile192",
+ .model = "ap192",
+ .chip_init = revo_init,
+ .build_controls = revo_add_controls,
+ },
{ } /* terminator */
};
projects / openwrt / staging / blogic.git / commitdiff