Linux-2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

sound/pci/ice1712/revo.c

@@ -0,0 +1,205 @@
+/*
+ *   ALSA driver for ICEnsemble ICE1712 (Envy24)
+ *
+ *   Lowlevel functions for M-Audio Revolution 7.1
+ *
+ *	Copyright (c) 2003 Takashi Iwai <tiwai@suse.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 <asm/io.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+
+#include "ice1712.h"
+#include "envy24ht.h"
+#include "revo.h"
+
+static void revo_i2s_mclk_changed(ice1712_t *ice)
+{
+	/* assert PRST# to converters; MT05 bit 7 */
+	outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
+	mdelay(5);
+	/* deassert PRST# */
+	outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
+}
+
+/*
+ * change the rate of envy24HT, AK4355 and AK4381
+ */
+static void revo_set_rate_val(akm4xxx_t *ak, unsigned int rate)
+{
+	unsigned char old, tmp, dfs;
+	int reg, shift;
+
+	if (rate == 0)	/* no hint - S/PDIF input is master, simply return */
+		return;
+
+	/* adjust DFS on codecs */
+	if (rate > 96000)
+		dfs = 2;
+	else if (rate > 48000)
+		dfs = 1;
+	else
+		dfs = 0;
+
+	if (ak->type == SND_AK4355) {
+		reg = 2;
+		shift = 4;
+	} else {
+		reg = 1;
+		shift = 3;
+	}
+	tmp = snd_akm4xxx_get(ak, 0, reg);
+	old = (tmp >> shift) & 0x03;
+	if (old == dfs)
+		return;
+
+	/* reset DFS */
+	snd_akm4xxx_reset(ak, 1);
+	tmp = snd_akm4xxx_get(ak, 0, reg);
+	tmp &= ~(0x03 << shift);
+	tmp |= dfs << shift;
+	// snd_akm4xxx_write(ak, 0, reg, tmp);
+	snd_akm4xxx_set(ak, 0, reg, tmp); /* the value is written in reset(0) */
+	snd_akm4xxx_reset(ak, 0);
+}
+
+/*
+ * initialize the chips on M-Audio Revolution cards
+ */
+
+static akm4xxx_t akm_revo_front __devinitdata = {
+	.type = SND_AK4381,
+	.num_dacs = 2,
+	.ops = {
+		.set_rate_val = revo_set_rate_val
+	}
+};
+
+static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
+	.caddr = 1,
+	.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,
+	.add_flags = VT1724_REVO_CCLK, /* high at init */
+	.mask_flags = 0,
+};
+
+static akm4xxx_t akm_revo_surround __devinitdata = {
+	.type = SND_AK4355,
+	.idx_offset = 1,
+	.num_dacs = 6,
+	.ops = {
+		.set_rate_val = revo_set_rate_val
+	}
+};
+
+static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
+	.caddr = 3,
+	.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_CS1,
+	.cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
+	.add_flags = VT1724_REVO_CCLK, /* high at init */
+	.mask_flags = 0,
+};
+
+static unsigned int rates[] = {
+	32000, 44100, 48000, 64000, 88200, 96000,
+	176400, 192000,
+};
+
+static snd_pcm_hw_constraint_list_t revo_rates = {
+	.count = ARRAY_SIZE(rates),
+	.list = rates,
+	.mask = 0,
+};
+
+static int __devinit revo_init(ice1712_t *ice)
+{
+	akm4xxx_t *ak;
+	int err;
+
+	/* determine I2C, DACs and ADCs */
+	switch (ice->eeprom.subvendor) {
+	case VT1724_SUBDEVICE_REVOLUTION71:
+		ice->num_total_dacs = 8;
+		ice->num_total_adcs = 2;
+		break;
+	default:
+		snd_BUG();
+		return -EINVAL;
+	}
+
+	ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
+
+	/* second stage of initialization, analog parts and others */
+	ak = ice->akm = kcalloc(2, sizeof(akm4xxx_t), GFP_KERNEL);
+	if (! ak)
+		return -ENOMEM;
+	ice->akm_codecs = 2;
+	switch (ice->eeprom.subvendor) {
+	case VT1724_SUBDEVICE_REVOLUTION71:
+		if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
+			return err;
+		if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
+			return err;
+		/* unmute all codecs */
+		snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
+		break;
+	}
+
+	ice->hw_rates = &revo_rates; /* AK codecs don't support lower than 32k */
+
+	return 0;
+}
+
+
+static int __devinit revo_add_controls(ice1712_t *ice)
+{
+	int err;
+
+	switch (ice->eeprom.subvendor) {
+	case VT1724_SUBDEVICE_REVOLUTION71:
+		err = snd_ice1712_akm4xxx_build_controls(ice);
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+/* entry point */
+struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
+	{
+		.subvendor = VT1724_SUBDEVICE_REVOLUTION71,
+		.name = "M Audio Revolution-7.1",
+		.model = "revo71",
+		.chip_init = revo_init,
+		.build_controls = revo_add_controls,
+	},
+	{ } /* terminator */
+};