[ALSA] ice1724 - Add support of M-Audio Audiophile 192

Added the (experimental) support of M-Audio Audiophile 192 board.
Currently, the analog and the digital playbacks seem working fine.
The inputs seem not working as far as I've tested yet.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

3 files changed, 210 insertions, 2 deletions

diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 8a254e2fe315..3f5f6900bbf9 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -982,6 +982,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
     Module for Envy24HT (VT/ICE1724), Envy24PT (VT1720) based PCI sound cards.
                         * MidiMan M Audio Revolution 5.1
                         * MidiMan M Audio Revolution 7.1
+                        * MidiMan M Audio Audiophile 192
                         * AMP Ltd AUDIO2000
                         * TerraTec Aureon 5.1 Sky
                         * TerraTec Aureon 7.1 Space
@@ -1001,7 +1002,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 
     model       - Use the given board model, one of the following:
                   revo51, revo71, amp2000, prodigy71, prodigy71lt,
-                  prodigy192, aureon51, aureon71, universe,
+                  prodigy192, aureon51, aureon71, universe, ap192,
                   k8x800, phase22, phase28, ms300, av710
 
     This module supports multiple cards and autoprobe.
diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c
index 233e9a5a2e70..0e578aa38af2 100644
--- a/sound/pci/ice1712/revo.c
+++ b/sound/pci/ice1712/revo.c
@@ -303,6 +303,181 @@ static struct snd_ak4xxx_private akm_revo51_adc_priv __devinitdata = {
 
 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;
@@ -319,6 +494,10 @@ static int __devinit revo_init(struct snd_ice1712 *ice)
                 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;
@@ -356,6 +535,14 @@ static int __devinit revo_init(struct snd_ice1712 *ice)
                 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;
@@ -380,6 +567,16 @@ static int __devinit revo_add_controls(struct snd_ice1712 *ice)
                 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;
 }
@@ -400,5 +597,12 @@ struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
                 .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 */
 };
diff --git a/sound/pci/ice1712/revo.h b/sound/pci/ice1712/revo.h
index c70adaf017c1..a3ba425911cc 100644
--- a/sound/pci/ice1712/revo.h
+++ b/sound/pci/ice1712/revo.h
@@ -26,10 +26,12 @@
 
 #define REVO_DEVICE_DESC \
                 "{MidiMan M Audio,Revolution 7.1},"\
-                "{MidiMan M Audio,Revolution 5.1},"
+                "{MidiMan M Audio,Revolution 5.1},"\
+                "{MidiMan M Audio,Audiophile 192},"
 
 #define VT1724_SUBDEVICE_REVOLUTION71   0x12143036
 #define VT1724_SUBDEVICE_REVOLUTION51   0x12143136
+#define VT1724_SUBDEVICE_AUDIOPHILE192  0x12143236
 
 /* entry point */
 extern struct snd_ice1712_card_info snd_vt1724_revo_cards[];
@@ -47,6 +49,7 @@ extern struct snd_ice1712_card_info snd_vt1724_revo_cards[];
 #define VT1724_REVO_CS2         0x40    /* surround AKM4355 CS (revo71) */
 #define VT1724_REVO_I2C_DATA    0x40    /* I2C: PT 2258 SDA (on revo51) */
 #define VT1724_REVO_I2C_CLOCK   0x80    /* I2C: PT 2258 SCL (on revo51) */
+#define VT1724_REVO_CS3         0x80    /* AK4114 for AP192 */
 #define VT1724_REVO_MUTE        (1<<22) /* 0 = all mute, 1 = normal operation */
 
 #endif /* __SOUND_REVO_H */