Rev. E of the M-Audio Delta 66 is partially supported (commit ef2cd2ccad66b4aba518eca7514eface267ee0f3), but the layout of the GPIO pins was still unclear. This patch adds the GPIO definitions so that communication to the CS8247 & 2x AK4524 works correctly.

ALSA bug#3327 has more details; users cap & jhunt report there that the GPIO wiring is similar to the Digigram VX442 (chip select: pin 4 = CS8427, pin 5 = AK4524 #0, pin 6 = AK4524 #1). There has been a lot of conflicting information in the bug, but given these definitions, my Delta 66E works; I tested analog in&out at 44.1kHz & 96kHz, analog gain settings, S/PDIF clock sync, and S/PDIF in&out at 44.1kHz.

Signed-off-by: Brian Bloniarz brian.bloniarz@gmail.com --- sound/pci/ice1712/delta.c | 49 ++++++++++++++++++++++++++++++++++++++++++++- sound/pci/ice1712/delta.h | 11 ++++++++++ 2 files changed, 59 insertions(+), 1 deletions(-)

diff --git a/sound/pci/ice1712/delta.c b/sound/pci/ice1712/delta.c index 712c171..7b62de0 100644 --- a/sound/pci/ice1712/delta.c +++ b/sound/pci/ice1712/delta.c @@ -96,6 +96,11 @@ static unsigned char ap_cs8427_codec_select(struct snd_ice1712 *ice) tmp |= ICE1712_DELTA_AP_CCLK | ICE1712_DELTA_AP_CS_CODEC; tmp &= ~ICE1712_DELTA_AP_CS_DIGITAL; break; + case ICE1712_SUBDEVICE_DELTA66E: + tmp |= ICE1712_DELTA_66E_CCLK | ICE1712_DELTA_66E_CS_CHIP_A | + ICE1712_DELTA_66E_CS_CHIP_B; + tmp &= ~ICE1712_DELTA_66E_CS_CS8427; + break; case ICE1712_SUBDEVICE_VX442: tmp |= ICE1712_VX442_CCLK | ICE1712_VX442_CODEC_CHIP_A | ICE1712_VX442_CODEC_CHIP_B; tmp &= ~ICE1712_VX442_CS_DIGITAL; @@ -119,6 +124,9 @@ static void ap_cs8427_codec_deassert(struct snd_ice1712 *ice, unsigned char tmp) case ICE1712_SUBDEVICE_DELTA410: tmp |= ICE1712_DELTA_AP_CS_DIGITAL; break; + case ICE1712_SUBDEVICE_DELTA66E: + tmp |= ICE1712_DELTA_66E_CS_CS8427; + break; case ICE1712_SUBDEVICE_VX442: tmp |= ICE1712_VX442_CS_DIGITAL; break; @@ -276,6 +284,20 @@ static void delta1010lt_ak4524_lock(struct snd_akm4xxx *ak, int chip) }

/* + * AK4524 on Delta66 rev E to choose the chip address + */ +static void delta66e_ak4524_lock(struct snd_akm4xxx *ak, int chip) +{ + struct snd_ak4xxx_private *priv = (void *)ak->private_value[0]; + struct snd_ice1712 *ice = ak->private_data[0]; + + snd_ice1712_save_gpio_status(ice); + priv->cs_mask = + priv->cs_addr = chip == 0 ? ICE1712_DELTA_66E_CS_CHIP_A : + ICE1712_DELTA_66E_CS_CHIP_B; +} + +/* * AK4528 on VX442 to choose the chip mask */ static void vx442_ak4524_lock(struct snd_akm4xxx *ak, int chip) @@ -487,6 +509,29 @@ static struct snd_ak4xxx_private akm_delta1010lt_priv __devinitdata = { .mask_flags = 0, };

+static struct snd_akm4xxx akm_delta66e __devinitdata = { + .type = SND_AK4524, + .num_adcs = 4, + .num_dacs = 4, + .ops = { + .lock = delta66e_ak4524_lock, + .set_rate_val = delta_ak4524_set_rate_val + } +}; + +static struct snd_ak4xxx_private akm_delta66e_priv __devinitdata = { + .caddr = 2, + .cif = 0, /* the default level of the CIF pin from AK4524 */ + .data_mask = ICE1712_DELTA_66E_DOUT, + .clk_mask = ICE1712_DELTA_66E_CCLK, + .cs_mask = 0, + .cs_addr = 0, /* set later */ + .cs_none = 0, + .add_flags = 0, + .mask_flags = 0, +}; + + static struct snd_akm4xxx akm_delta44 __devinitdata = { .type = SND_AK4524, .num_adcs = 4, @@ -644,9 +689,11 @@ static int __devinit snd_ice1712_delta_init(struct snd_ice1712 *ice) err = snd_ice1712_akm4xxx_init(ak, &akm_delta44, &akm_delta44_priv, ice); break; case ICE1712_SUBDEVICE_VX442: - case ICE1712_SUBDEVICE_DELTA66E: err = snd_ice1712_akm4xxx_init(ak, &akm_vx442, &akm_vx442_priv, ice); break; + case ICE1712_SUBDEVICE_DELTA66E: + err = snd_ice1712_akm4xxx_init(ak, &akm_delta66e, &akm_delta66e_priv, ice); + break; default: snd_BUG(); return -EINVAL; diff --git a/sound/pci/ice1712/delta.h b/sound/pci/ice1712/delta.h index 1a0ac6c..11a9c3a 100644 --- a/sound/pci/ice1712/delta.h +++ b/sound/pci/ice1712/delta.h @@ -144,6 +144,17 @@ extern struct snd_ice1712_card_info snd_ice1712_delta_cards[]; #define ICE1712_DELTA_1010LT_CS_NONE 0x50 /* nothing */ #define ICE1712_DELTA_1010LT_WORDCLOCK 0x80 /* sample clock source: 0 = Word Clock Input, 1 = S/PDIF Input ??? */

+/* M-Audio Delta 66 rev. E definitions. + * Newer revisions of Delta 66 have CS8427 over SPI for + * S/PDIF transceiver instead of CS8404/CS8414. */ +/* 0x01 = DFS */ +#define ICE1712_DELTA_66E_CCLK 0x02 /* SPI clock */ +#define ICE1712_DELTA_66E_DIN 0x04 /* data input */ +#define ICE1712_DELTA_66E_DOUT 0x08 /* data output */ +#define ICE1712_DELTA_66E_CS_CS8427 0x10 /* chip select, low = CS8427 */ +#define ICE1712_DELTA_66E_CS_CHIP_A 0x20 /* AK4524 #0 */ +#define ICE1712_DELTA_66E_CS_CHIP_B 0x40 /* AK4524 #1 */ + /* Digigram VX442 definitions */ #define ICE1712_VX442_CCLK 0x02 /* SPI clock */ #define ICE1712_VX442_DIN 0x04 /* data input */