[ALSA] Stereo controls for M-Audio Revolution cards
[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 unsigned int revo71_num_stereo_front[] = {2};
91 static char *revo71_channel_names_front[] = {"PCM Playback Volume"};
92
93 static unsigned int revo71_num_stereo_surround[] = {1, 1, 2, 2};
94 static char *revo71_channel_names_surround[] = {"PCM Center Playback Volume", "PCM LFE Playback Volume",
95                                                 "PCM Side Playback Volume", "PCM Rear Playback Volume"};
96
97 static unsigned int revo51_num_stereo[] = {2, 1, 1, 2};
98 static char *revo51_channel_names[] = {"PCM Playback Volume", "PCM Center Playback Volume",
99                                         "PCM LFE Playback Volume", "PCM Rear Playback Volume"};
100
101 static struct snd_akm4xxx akm_revo_front __devinitdata = {
102         .type = SND_AK4381,
103         .num_dacs = 2,
104         .ops = {
105                 .set_rate_val = revo_set_rate_val
106         },
107         .num_stereo = revo71_num_stereo_front,
108         .channel_names = revo71_channel_names_front
109 };
110
111 static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
112         .caddr = 1,
113         .cif = 0,
114         .data_mask = VT1724_REVO_CDOUT,
115         .clk_mask = VT1724_REVO_CCLK,
116         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
117         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
118         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
119         .add_flags = VT1724_REVO_CCLK, /* high at init */
120         .mask_flags = 0,
121 };
122
123 static struct snd_akm4xxx akm_revo_surround __devinitdata = {
124         .type = SND_AK4355,
125         .idx_offset = 1,
126         .num_dacs = 6,
127         .ops = {
128                 .set_rate_val = revo_set_rate_val
129         },
130         .num_stereo = revo71_num_stereo_surround,
131         .channel_names = revo71_channel_names_surround
132 };
133
134 static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
135         .caddr = 3,
136         .cif = 0,
137         .data_mask = VT1724_REVO_CDOUT,
138         .clk_mask = VT1724_REVO_CCLK,
139         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
140         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
141         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
142         .add_flags = VT1724_REVO_CCLK, /* high at init */
143         .mask_flags = 0,
144 };
145
146 static struct snd_akm4xxx akm_revo51 __devinitdata = {
147         .type = SND_AK4358,
148         .num_dacs = 6,
149         .ops = {
150                 .set_rate_val = revo_set_rate_val
151         },
152         .num_stereo = revo51_num_stereo,
153         .channel_names = revo51_channel_names
154 };
155
156 static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
157         .caddr = 2,
158         .cif = 0,
159         .data_mask = VT1724_REVO_CDOUT,
160         .clk_mask = VT1724_REVO_CCLK,
161         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
162         .cs_addr = 0,
163         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
164         .add_flags = VT1724_REVO_CCLK, /* high at init */
165         .mask_flags = 0,
166 };
167
168 static int __devinit revo_init(struct snd_ice1712 *ice)
169 {
170         struct snd_akm4xxx *ak;
171         int err;
172
173         /* determine I2C, DACs and ADCs */
174         switch (ice->eeprom.subvendor) {
175         case VT1724_SUBDEVICE_REVOLUTION71:
176                 ice->num_total_dacs = 8;
177                 ice->num_total_adcs = 2;
178                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
179                 break;
180         case VT1724_SUBDEVICE_REVOLUTION51:
181                 ice->num_total_dacs = 6;
182                 ice->num_total_adcs = 2;
183                 break;
184         default:
185                 snd_BUG();
186                 return -EINVAL;
187         }
188
189         /* second stage of initialization, analog parts and others */
190         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
191         if (! ak)
192                 return -ENOMEM;
193         ice->akm_codecs = 2;
194         switch (ice->eeprom.subvendor) {
195         case VT1724_SUBDEVICE_REVOLUTION71:
196                 ice->akm_codecs = 2;
197                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front, &akm_revo_front_priv, ice)) < 0)
198                         return err;
199                 if ((err = snd_ice1712_akm4xxx_init(ak + 1, &akm_revo_surround, &akm_revo_surround_priv, ice)) < 0)
200                         return err;
201                 /* unmute all codecs */
202                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
203                 break;
204         case VT1724_SUBDEVICE_REVOLUTION51:
205                 ice->akm_codecs = 1;
206                 if ((err = snd_ice1712_akm4xxx_init(ak, &akm_revo51, &akm_revo51_priv, ice)) < 0)
207                         return err;
208                 /* unmute all codecs - needed! */
209                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE, VT1724_REVO_MUTE);
210                 break;
211         }
212
213         return 0;
214 }
215
216
217 static int __devinit revo_add_controls(struct snd_ice1712 *ice)
218 {
219         int err;
220
221         switch (ice->eeprom.subvendor) {
222         case VT1724_SUBDEVICE_REVOLUTION71:
223         case VT1724_SUBDEVICE_REVOLUTION51:
224                 err = snd_ice1712_akm4xxx_build_controls(ice);
225                 if (err < 0)
226                         return err;
227         }
228         return 0;
229 }
230
231 /* entry point */
232 struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
233         {
234                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
235                 .name = "M Audio Revolution-7.1",
236                 .model = "revo71",
237                 .chip_init = revo_init,
238                 .build_controls = revo_add_controls,
239         },
240         {
241                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
242                 .name = "M Audio Revolution-5.1",
243                 .model = "revo51",
244                 .chip_init = revo_init,
245                 .build_controls = revo_add_controls,
246         },
247         { } /* terminator */
248 };