aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/ice1712/revo.c
blob: d48d42524ac509721266f10dc6d2c5f07abd3b7b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
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 */
};