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-rw-r--r--include/sound/pt2258.h37
-rw-r--r--sound/i2c/Makefile1
-rw-r--r--sound/i2c/other/Makefile4
-rw-r--r--sound/i2c/other/pt2258.c233
-rw-r--r--sound/pci/ice1712/ice1712.h14
-rw-r--r--sound/pci/ice1712/revo.c132
-rw-r--r--sound/pci/ice1712/revo.h6
7 files changed, 413 insertions, 14 deletions
diff --git a/include/sound/pt2258.h b/include/sound/pt2258.h
new file mode 100644
index 000000000000..160f812faa42
--- /dev/null
+++ b/include/sound/pt2258.h
@@ -0,0 +1,37 @@
+/*
+ * ALSA Driver for the PT2258 volume controller.
+ *
+ * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __SOUND_PT2258_H
+#define __SOUND_PT2258_H
+
+struct snd_pt2258 {
+ struct snd_card *card;
+ struct snd_i2c_bus *i2c_bus;
+ struct snd_i2c_device *i2c_dev;
+
+ unsigned char volume[6];
+ int mute;
+};
+
+extern int snd_pt2258_reset(struct snd_pt2258 *pt);
+extern int snd_pt2258_build_controls(struct snd_pt2258 *pt);
+
+#endif /* __SOUND_PT2258_H */
diff --git a/sound/i2c/Makefile b/sound/i2c/Makefile
index 816a2e7c88ca..45902d48c89c 100644
--- a/sound/i2c/Makefile
+++ b/sound/i2c/Makefile
@@ -16,3 +16,4 @@ obj-$(CONFIG_SND) += other/
# Toplevel Module Dependency
obj-$(CONFIG_SND_INTERWAVE_STB) += snd-tea6330t.o snd-i2c.o
obj-$(CONFIG_SND_ICE1712) += snd-cs8427.o snd-i2c.o
+obj-$(CONFIG_SND_ICE1724) += snd-i2c.o
diff --git a/sound/i2c/other/Makefile b/sound/i2c/other/Makefile
index 2fe023ef00a7..77a8a7c75dd9 100644
--- a/sound/i2c/other/Makefile
+++ b/sound/i2c/other/Makefile
@@ -6,11 +6,11 @@
snd-ak4114-objs := ak4114.o
snd-ak4117-objs := ak4117.o
snd-ak4xxx-adda-objs := ak4xxx-adda.o
+snd-pt2258-objs := pt2258.o
snd-tea575x-tuner-objs := tea575x-tuner.o
# Module Dependency
obj-$(CONFIG_SND_PDAUDIOCF) += snd-ak4117.o
obj-$(CONFIG_SND_ICE1712) += snd-ak4xxx-adda.o
-obj-$(CONFIG_SND_ICE1724) += snd-ak4xxx-adda.o
-obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o
+obj-$(CONFIG_SND_ICE1724) += snd-ak4114.o snd-ak4xxx-adda.o snd-pt2258.o
obj-$(CONFIG_SND_FM801_TEA575X) += snd-tea575x-tuner.o
diff --git a/sound/i2c/other/pt2258.c b/sound/i2c/other/pt2258.c
new file mode 100644
index 000000000000..50df1df2f2b9
--- /dev/null
+++ b/sound/i2c/other/pt2258.c
@@ -0,0 +1,233 @@
+/*
+ * ALSA Driver for the PT2258 volume controller.
+ *
+ * Copyright (c) 2006 Jochen Voss <voss@seehuhn.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/i2c.h>
+#include <sound/pt2258.h>
+
+MODULE_AUTHOR("Jochen Voss <voss@seehuhn.de>");
+MODULE_DESCRIPTION("PT2258 volume controller (Princeton Technology Corp.)");
+MODULE_LICENSE("GPL");
+
+#define PT2258_CMD_RESET 0xc0
+#define PT2258_CMD_UNMUTE 0xf8
+#define PT2258_CMD_MUTE 0xf9
+
+static const unsigned char pt2258_channel_code[12] = {
+ 0x80, 0x90, /* channel 1: -10dB, -1dB */
+ 0x40, 0x50, /* channel 2: -10dB, -1dB */
+ 0x00, 0x10, /* channel 3: -10dB, -1dB */
+ 0x20, 0x30, /* channel 4: -10dB, -1dB */
+ 0x60, 0x70, /* channel 5: -10dB, -1dB */
+ 0xa0, 0xb0 /* channel 6: -10dB, -1dB */
+};
+
+int snd_pt2258_reset(struct snd_pt2258 *pt)
+{
+ unsigned char bytes[2];
+ int i;
+
+ /* reset chip */
+ bytes[0] = PT2258_CMD_RESET;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ /* mute all channels */
+ pt->mute = 1;
+ bytes[0] = PT2258_CMD_MUTE;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ /* set all channels to 0dB */
+ for (i = 0; i < 6; ++i)
+ pt->volume[i] = 0;
+ bytes[0] = 0xd0;
+ bytes[1] = 0xe0;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 0;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 reset failed\n");
+ return -EIO;
+}
+
+static int pt2258_stereo_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 79;
+ return 0;
+}
+
+static int pt2258_stereo_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ int base = kcontrol->private_value;
+
+ /* chip does not support register reads */
+ ucontrol->value.integer.value[0] = 79 - pt->volume[base];
+ ucontrol->value.integer.value[1] = 79 - pt->volume[base + 1];
+ return 0;
+}
+
+static int pt2258_stereo_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ int base = kcontrol->private_value;
+ unsigned char bytes[2];
+ int val0, val1;
+
+ val0 = 79 - ucontrol->value.integer.value[0];
+ val1 = 79 - ucontrol->value.integer.value[1];
+ if (val0 == pt->volume[base] && val1 == pt->volume[base + 1])
+ return 0;
+
+ pt->volume[base] = val0;
+ bytes[0] = pt2258_channel_code[2 * base] | (val0 / 10);
+ bytes[1] = pt2258_channel_code[2 * base + 1] | (val0 % 10);
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ pt->volume[base + 1] = val1;
+ bytes[0] = pt2258_channel_code[2 * base + 2] | (val1 / 10);
+ bytes[1] = pt2258_channel_code[2 * base + 3] | (val1 % 10);
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 1;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 access failed\n");
+ return -EIO;
+}
+
+static int pt2258_switch_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int pt2258_switch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+
+ ucontrol->value.integer.value[0] = !pt->mute;
+ return 0;
+}
+
+static int pt2258_switch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pt2258 *pt = kcontrol->private_data;
+ unsigned char bytes[2];
+ int val;
+
+ val = !ucontrol->value.integer.value[0];
+ if (pt->mute == val)
+ return 0;
+
+ pt->mute = val;
+ bytes[0] = val ? PT2258_CMD_MUTE : PT2258_CMD_UNMUTE;
+ snd_i2c_lock(pt->i2c_bus);
+ if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
+ goto __error;
+ snd_i2c_unlock(pt->i2c_bus);
+
+ return 1;
+
+ __error:
+ snd_i2c_unlock(pt->i2c_bus);
+ snd_printk(KERN_ERR "PT2258 access failed 2\n");
+ return -EIO;
+}
+
+static DECLARE_TLV_DB_SCALE(pt2258_db_scale, -7900, 100, 0);
+
+int snd_pt2258_build_controls(struct snd_pt2258 *pt)
+{
+ struct snd_kcontrol_new knew;
+ char *names[3] = {
+ "Mic Loopback Playback Volume",
+ "Line Loopback Playback Volume",
+ "CD Loopback Playback Volume"
+ };
+ int i, err;
+
+ for (i = 0; i < 3; ++i) {
+ memset(&knew, 0, sizeof(knew));
+ knew.name = names[i];
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.count = 1;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ knew.private_value = 2 * i;
+ knew.info = pt2258_stereo_volume_info;
+ knew.get = pt2258_stereo_volume_get;
+ knew.put = pt2258_stereo_volume_put;
+ knew.tlv.p = pt2258_db_scale;
+
+ err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
+ if (err < 0)
+ return err;
+ }
+
+ memset(&knew, 0, sizeof(knew));
+ knew.name = "Loopback Switch";
+ knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ knew.info = pt2258_switch_info;
+ knew.get = pt2258_switch_get;
+ knew.put = pt2258_switch_put;
+ knew.access = 0;
+ err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+EXPORT_SYMBOL(snd_pt2258_reset);
+EXPORT_SYMBOL(snd_pt2258_build_controls);
diff --git a/sound/pci/ice1712/ice1712.h b/sound/pci/ice1712/ice1712.h
index ce27eac40d4e..064542bf3af8 100644
--- a/sound/pci/ice1712/ice1712.h
+++ b/sound/pci/ice1712/ice1712.h
@@ -28,6 +28,7 @@
#include <sound/i2c.h>
#include <sound/ak4xxx-adda.h>
#include <sound/ak4114.h>
+#include <sound/pt2258.h>
#include <sound/pcm.h>
#include <sound/mpu401.h>
@@ -381,6 +382,11 @@ struct snd_ice1712 {
unsigned short master[2];
unsigned short vol[8];
} phase28;
+ /* a non-standard I2C device for revo51 */
+ struct revo51_spec {
+ struct snd_i2c_device *dev;
+ struct snd_pt2258 *pt2258;
+ } revo51;
/* Hoontech-specific setting */
struct hoontech_spec {
unsigned char boxbits[4];
@@ -462,6 +468,14 @@ static inline void snd_ice1712_gpio_write_bits(struct snd_ice1712 *ice,
snd_ice1712_gpio_write(ice, mask & bits);
}
+static inline int snd_ice1712_gpio_read_bits(struct snd_ice1712 *ice,
+ unsigned int mask)
+{
+ ice->gpio.direction &= ~mask;
+ snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
+ return (snd_ice1712_gpio_read(ice) & mask);
+}
+
int snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice);
int snd_ice1712_akm4xxx_init(struct snd_akm4xxx *ak, const struct snd_akm4xxx *template,
diff --git a/sound/pci/ice1712/revo.c b/sound/pci/ice1712/revo.c
index d556de59b9ae..233e9a5a2e70 100644
--- a/sound/pci/ice1712/revo.c
+++ b/sound/pci/ice1712/revo.c
@@ -84,6 +84,102 @@ static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
}
/*
+ * I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
+ */
+
+static void revo_i2c_start(struct snd_i2c_bus *bus)
+{
+ struct snd_ice1712 *ice = bus->private_data;
+ snd_ice1712_save_gpio_status(ice);
+}
+
+static void revo_i2c_stop(struct snd_i2c_bus *bus)
+{
+ struct snd_ice1712 *ice = bus->private_data;
+ snd_ice1712_restore_gpio_status(ice);
+}
+
+static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
+{
+ struct snd_ice1712 *ice = bus->private_data;
+ unsigned int mask, val;
+
+ val = 0;
+ if (clock)
+ val |= VT1724_REVO_I2C_CLOCK; /* write SCL */
+ if (data)
+ val |= VT1724_REVO_I2C_DATA; /* write SDA */
+ mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
+ ice->gpio.direction &= ~mask;
+ ice->gpio.direction |= val;
+ snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
+ snd_ice1712_gpio_set_mask(ice, ~mask);
+}
+
+static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
+{
+ struct snd_ice1712 *ice = bus->private_data;
+ unsigned int val = 0;
+
+ if (clk)
+ val |= VT1724_REVO_I2C_CLOCK;
+ if (data)
+ val |= VT1724_REVO_I2C_DATA;
+ snd_ice1712_gpio_write_bits(ice,
+ VT1724_REVO_I2C_DATA |
+ VT1724_REVO_I2C_CLOCK, val);
+ udelay(5);
+}
+
+static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
+{
+ struct snd_ice1712 *ice = bus->private_data;
+ int bit;
+
+ if (ack)
+ udelay(5);
+ bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
+ return bit;
+}
+
+static struct snd_i2c_bit_ops revo51_bit_ops = {
+ .start = revo_i2c_start,
+ .stop = revo_i2c_stop,
+ .direction = revo_i2c_direction,
+ .setlines = revo_i2c_setlines,
+ .getdata = revo_i2c_getdata,
+};
+
+static int revo51_i2c_init(struct snd_ice1712 *ice,
+ struct snd_pt2258 *pt)
+{
+ int err;
+
+ /* create the I2C bus */
+ err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
+ if (err < 0)
+ return err;
+
+ ice->i2c->private_data = ice;
+ ice->i2c->hw_ops.bit = &revo51_bit_ops;
+
+ /* create the I2C device */
+ err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40,
+ &ice->spec.revo51.dev);
+ if (err < 0)
+ return err;
+
+ pt->card = ice->card;
+ pt->i2c_bus = ice->i2c;
+ pt->i2c_dev = ice->spec.revo51.dev;
+ ice->spec.revo51.pt2258 = pt;
+
+ snd_pt2258_reset(pt);
+
+ return 0;
+}
+
+/*
* initialize the chips on M-Audio Revolution cards
*/
@@ -180,9 +276,9 @@ static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
.cif = 0,
.data_mask = VT1724_REVO_CDOUT,
.clk_mask = VT1724_REVO_CCLK,
- .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
- .cs_addr = VT1724_REVO_CS1 | VT1724_REVO_CS2,
- .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
+ .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
+ .cs_addr = VT1724_REVO_CS1,
+ .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.add_flags = VT1724_REVO_CCLK, /* high at init */
.mask_flags = 0,
};
@@ -198,13 +294,15 @@ static struct snd_ak4xxx_private akm_revo51_adc_priv __devinitdata = {
.cif = 0,
.data_mask = VT1724_REVO_CDOUT,
.clk_mask = VT1724_REVO_CCLK,
- .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
- .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
- .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
+ .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
+ .cs_addr = VT1724_REVO_CS0,
+ .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
.add_flags = VT1724_REVO_CCLK, /* high at init */
.mask_flags = 0,
};
+static struct snd_pt2258 ptc_revo51_volume;
+
static int __devinit revo_init(struct snd_ice1712 *ice)
{
struct snd_akm4xxx *ak;
@@ -243,14 +341,20 @@ static int __devinit revo_init(struct snd_ice1712 *ice)
break;
case VT1724_SUBDEVICE_REVOLUTION51:
ice->akm_codecs = 2;
- if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo51, &akm_revo51_priv, ice)) < 0)
+ err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
+ &akm_revo51_priv, ice);
+ if (err < 0)
return err;
- err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo51_adc,
+ err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
&akm_revo51_adc_priv, ice);
if (err < 0)
return err;
- /* unmute all codecs - needed! */
- snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
+ err = revo51_i2c_init(ice, &ptc_revo51_volume);
+ if (err < 0)
+ return err;
+ /* unmute all codecs */
+ snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
+ VT1724_REVO_MUTE);
break;
}
@@ -264,10 +368,18 @@ static int __devinit revo_add_controls(struct snd_ice1712 *ice)
switch (ice->eeprom.subvendor) {
case VT1724_SUBDEVICE_REVOLUTION71:
+ err = snd_ice1712_akm4xxx_build_controls(ice);
+ if (err < 0)
+ return err;
+ break;
case VT1724_SUBDEVICE_REVOLUTION51:
err = snd_ice1712_akm4xxx_build_controls(ice);
if (err < 0)
return err;
+ err = snd_pt2258_build_controls(ice->spec.revo51.pt2258);
+ if (err < 0)
+ return err;
+ break;
}
return 0;
}
diff --git a/sound/pci/ice1712/revo.h b/sound/pci/ice1712/revo.h
index efbb86ec3289..c70adaf017c1 100644
--- a/sound/pci/ice1712/revo.h
+++ b/sound/pci/ice1712/revo.h
@@ -42,9 +42,11 @@ extern struct snd_ice1712_card_info snd_vt1724_revo_cards[];
#define VT1724_REVO_CCLK 0x02
#define VT1724_REVO_CDIN 0x04 /* not used */
#define VT1724_REVO_CDOUT 0x08
-#define VT1724_REVO_CS0 0x10 /* AK5365 chipselect for Rev. 5.1 */
+#define VT1724_REVO_CS0 0x10 /* AK5365 chipselect for (revo51) */
#define VT1724_REVO_CS1 0x20 /* front AKM4381 chipselect */
-#define VT1724_REVO_CS2 0x40 /* surround AKM4355 chipselect */
+#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_MUTE (1<<22) /* 0 = all mute, 1 = normal operation */
#endif /* __SOUND_REVO_H */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.