Merge branch 'powerpc-next' of master.kernel.org:/pub/scm/linux/kernel/git/galak...
[linux-2.6] / sound / ppc / powermac.c
1 /*
2  * Driver for PowerMac AWACS
3  * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
4  *   based on dmasound.c.
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  */
20
21 #include <linux/init.h>
22 #include <linux/err.h>
23 #include <linux/platform_device.h>
24 #include <linux/moduleparam.h>
25 #include <sound/core.h>
26 #include <sound/initval.h>
27 #include "pmac.h"
28 #include "awacs.h"
29 #include "burgundy.h"
30
31 #define CHIP_NAME "PMac"
32
33 MODULE_DESCRIPTION("PowerMac");
34 MODULE_SUPPORTED_DEVICE("{{Apple,PowerMac}}");
35 MODULE_LICENSE("GPL");
36
37 static int index = SNDRV_DEFAULT_IDX1;          /* Index 0-MAX */
38 static char *id = SNDRV_DEFAULT_STR1;           /* ID for this card */
39 static int enable_beep = 1;
40
41 module_param(index, int, 0444);
42 MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
43 module_param(id, charp, 0444);
44 MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
45 module_param(enable_beep, bool, 0444);
46 MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");
47
48 static struct platform_device *device;
49
50
51 /*
52  */
53
54 static int __init snd_pmac_probe(struct platform_device *devptr)
55 {
56         struct snd_card *card;
57         struct snd_pmac *chip;
58         char *name_ext;
59         int err;
60
61         card = snd_card_new(index, id, THIS_MODULE, 0);
62         if (card == NULL)
63                 return -ENOMEM;
64
65         if ((err = snd_pmac_new(card, &chip)) < 0)
66                 goto __error;
67         card->private_data = chip;
68
69         switch (chip->model) {
70         case PMAC_BURGUNDY:
71                 strcpy(card->driver, "PMac Burgundy");
72                 strcpy(card->shortname, "PowerMac Burgundy");
73                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
74                         card->shortname, chip->device_id, chip->subframe);
75                 if ((err = snd_pmac_burgundy_init(chip)) < 0)
76                         goto __error;
77                 break;
78         case PMAC_DACA:
79                 strcpy(card->driver, "PMac DACA");
80                 strcpy(card->shortname, "PowerMac DACA");
81                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
82                         card->shortname, chip->device_id, chip->subframe);
83                 if ((err = snd_pmac_daca_init(chip)) < 0)
84                         goto __error;
85                 break;
86         case PMAC_TUMBLER:
87         case PMAC_SNAPPER:
88                 name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper";
89                 sprintf(card->driver, "PMac %s", name_ext);
90                 sprintf(card->shortname, "PowerMac %s", name_ext);
91                 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
92                         card->shortname, chip->device_id, chip->subframe);
93                 if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0)
94                         goto __error;
95                 break;
96         case PMAC_AWACS:
97         case PMAC_SCREAMER:
98                 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
99                 sprintf(card->driver, "PMac %s", name_ext);
100                 sprintf(card->shortname, "PowerMac %s", name_ext);
101                 if (chip->is_pbook_3400)
102                         name_ext = " [PB3400]";
103                 else if (chip->is_pbook_G3)
104                         name_ext = " [PBG3]";
105                 else
106                         name_ext = "";
107                 sprintf(card->longname, "%s%s Rev %d",
108                         card->shortname, name_ext, chip->revision);
109                 if ((err = snd_pmac_awacs_init(chip)) < 0)
110                         goto __error;
111                 break;
112         default:
113                 snd_printk("unsupported hardware %d\n", chip->model);
114                 err = -EINVAL;
115                 goto __error;
116         }
117
118         if ((err = snd_pmac_pcm_new(chip)) < 0)
119                 goto __error;
120
121         chip->initialized = 1;
122         if (enable_beep)
123                 snd_pmac_attach_beep(chip);
124
125         snd_card_set_dev(card, &devptr->dev);
126
127         if ((err = snd_card_register(card)) < 0)
128                 goto __error;
129
130         platform_set_drvdata(devptr, card);
131         return 0;
132
133 __error:
134         snd_card_free(card);
135         return err;
136 }
137
138
139 static int __devexit snd_pmac_remove(struct platform_device *devptr)
140 {
141         snd_card_free(platform_get_drvdata(devptr));
142         platform_set_drvdata(devptr, NULL);
143         return 0;
144 }
145
146 #ifdef CONFIG_PM
147 static int snd_pmac_driver_suspend(struct platform_device *devptr, pm_message_t state)
148 {
149         struct snd_card *card = platform_get_drvdata(devptr);
150         snd_pmac_suspend(card->private_data);
151         return 0;
152 }
153
154 static int snd_pmac_driver_resume(struct platform_device *devptr)
155 {
156         struct snd_card *card = platform_get_drvdata(devptr);
157         snd_pmac_resume(card->private_data);
158         return 0;
159 }
160 #endif
161
162 #define SND_PMAC_DRIVER         "snd_powermac"
163
164 static struct platform_driver snd_pmac_driver = {
165         .probe          = snd_pmac_probe,
166         .remove         = __devexit_p(snd_pmac_remove),
167 #ifdef CONFIG_PM
168         .suspend        = snd_pmac_driver_suspend,
169         .resume         = snd_pmac_driver_resume,
170 #endif
171         .driver         = {
172                 .name   = SND_PMAC_DRIVER
173         },
174 };
175
176 static int __init alsa_card_pmac_init(void)
177 {
178         int err;
179
180         if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
181                 return err;
182         device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
183         return 0;
184
185 }
186
187 static void __exit alsa_card_pmac_exit(void)
188 {
189         if (!IS_ERR(device))
190                 platform_device_unregister(device);
191         platform_driver_unregister(&snd_pmac_driver);
192 }
193
194 module_init(alsa_card_pmac_init)
195 module_exit(alsa_card_pmac_exit)