[ALSA] ice1724 - Add support of M-Audio Revolution 5.1
[linux-2.6.git] / sound / pci / ice1712 / revo.c
1 /*
2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
3  *
4  *   Lowlevel functions for M-Audio Revolution 7.1
5  *
6  *      Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *
22  */      
23
24 #include <sound/driver.h>
25 #include <asm/io.h>
26 #include <linux/delay.h>
27 #include <linux/interrupt.h>
28 #include <linux/init.h>
29 #include <linux/slab.h>
30 #include <sound/core.h>
31
32 #include "ice1712.h"
33 #include "envy24ht.h"
34 #include "revo.h"
35
36 static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
37 {
38         /* assert PRST# to converters; MT05 bit 7 */
39         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
40         mdelay(5);
41         /* deassert PRST# */
42         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
43 }
44
45 /*
46  * change the rate of envy24HT, AK4355 and AK4381
47  */
48 static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
49 {
50         unsigned char old, tmp, dfs;
51         int reg, shift;
52
53         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
54                 return;
55
56         /* adjust DFS on codecs */
57         if (rate > 96000)
58                 dfs = 2;
59         else if (rate > 48000)
60                 dfs = 1;
61         else
62                 dfs = 0;
63
64         if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
65                 reg = 2;
66                 shift = 4;
67         } else {
68                 reg = 1;
69                 shift = 3;
70         }
71         tmp = snd_akm4xxx_get(ak, 0, reg);
72         old = (tmp >> shift) & 0x03;
73         if (old == dfs)
74                 return;
75
76         /* reset DFS */
77         snd_akm4xxx_reset(ak, 1);
78         tmp = snd_akm4xxx_get(ak, 0, reg);
79         tmp &= ~(0x03 << shift);
80         tmp |= dfs << shift;
81         // snd_akm4xxx_write(ak, 0, reg, tmp);
82         snd_akm4xxx_set(ak, 0, reg, tmp); /* the value is written in reset(0) */
83         snd_akm4xxx_reset(ak, 0);
84 }
85
86 /*
87  * initialize the chips on M-Audio Revolution cards
88  */
89
90 static struct snd_akm4xxx akm_revo_front __devinitdata = {
91         .type = SND_AK4381,
92         .num_dacs = 2,
93         .ops = {
94                 .set_rate_val = revo_set_rate_val
95         }
96 };
97
98 static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
99         .caddr = 1,
100         .cif = 0,
101         .data_mask = VT1724_REVO_CDOUT,
102         .clk_mask = VT1724_REVO_CCLK,
103         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
104         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
105         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
106         .add_flags = VT1724_REVO_CCLK, /* high at init */
107         .mask_flags = 0,
108 };
109
110 static struct snd_akm4xxx akm_revo_surround __devinitdata = {
111         .type = SND_AK4355,
112         .idx_offset = 1,
113         .num_dacs = 6,
114         .ops = {
115                 .set_rate_val = revo_set_rate_val
116         }
117 };
118
119 static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
120         .caddr = 3,
121         .cif = 0,
122         .data_mask = VT1724_REVO_CDOUT,
123         .clk_mask = VT1724_REVO_CCLK,
124         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
125         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
126         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
127         .add_flags = VT1724_REVO_CCLK, /* high at init */
128         .mask_flags = 0,
129 };
130
131 static struct snd_akm4xxx akm_revo51 __devinitdata = {
132         .type = SND_AK4358,
133         .num_dacs = 6,
134         .ops = {
135                 .set_rate_val = revo_set_rate_val
136         }
137 };
138
139 static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
140         .caddr = 2,
141         .cif = 0,
142         .data_mask = VT1724_REVO_CDOUT,
143         .clk_mask = VT1724_REVO_CCLK,
144         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
145         .cs_addr = 0,
146         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
147         .add_flags = VT1724_REVO_CCLK, /* high at init */
148         .mask_flags = 0,
149 };
150
151 static int __devinit revo_init(struct snd_ice1712 *ice)
152 {
153         struct snd_akm4xxx *ak;
154         int err;
155
156         /* determine I2C, DACs and ADCs */
157         switch (ice->eeprom.subvendor) {
158         case VT1724_SUBDEVICE_REVOLUTION71:
159                 ice->num_total_dacs = 8;
160                 ice->num_total_adcs = 2;
161                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
162                 break;
163         case VT1724_SUBDEVICE_REVOLUTION51:
164                 ice->num_total_dacs = 6;
165                 ice->num_total_adcs = 2;
166                 break;
167         default:
168                 snd_BUG();
169                 return -EINVAL;
170         }
171
172         /* second stage of initialization, analog parts and others */
173         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
174         if (! ak)
175                 return -ENOMEM;
176         ice->akm_codecs = 2;
177         switch (ice->eeprom.subvendor) {
178         case VT1724_SUBDEVICE_REVOLUTION71:
179                 ice->akm_codecs = 2;
180                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
181                         return err;
182                 if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
183                         return err;
184                 /* unmute all codecs */
185                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
186                 break;
187         case VT1724_SUBDEVICE_REVOLUTION51:
188                 ice->akm_codecs = 1;
189                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo51, &akm_revo51_priv, ice)) < 0)
190                         return err;
191                 /* unmute all codecs - needed! */
192                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
193                 break;
194         }
195
196         return 0;
197 }
198
199
200 static int __devinit revo_add_controls(struct snd_ice1712 *ice)
201 {
202         int err;
203
204         switch (ice->eeprom.subvendor) {
205         case VT1724_SUBDEVICE_REVOLUTION71:
206         case VT1724_SUBDEVICE_REVOLUTION51:
207                 err = snd_ice1712_akm4xxx_build_controls(ice);
208                 if (err < 0)
209                         return err;
210         }
211         return 0;
212 }
213
214 /* entry point */
215 struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
216         {
217                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
218                 .name = "M Audio Revolution-7.1",
219                 .model = "revo71",
220                 .chip_init = revo_init,
221                 .build_controls = revo_add_controls,
222         },
223         {
224                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
225                 .name = "M Audio Revolution-5.1",
226                 .model = "revo51",
227                 .chip_init = revo_init,
228                 .build_controls = revo_add_controls,
229         },
230         { } /* terminator */
231 };