fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / sound / ppc / powermac.c
blob2264574fa06b7c317252653f75068f5e841a6235
1 /*
2 * Driver for PowerMac AWACS
3 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
4 * based on dmasound.c.
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.
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.
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
21 #include <sound/driver.h>
22 #include <linux/init.h>
23 #include <linux/err.h>
24 #include <linux/platform_device.h>
25 #include <linux/moduleparam.h>
26 #include <sound/core.h>
27 #include <sound/initval.h>
28 #include "pmac.h"
29 #include "awacs.h"
30 #include "burgundy.h"
32 #define CHIP_NAME "PMac"
34 MODULE_DESCRIPTION("PowerMac");
35 MODULE_SUPPORTED_DEVICE("{{Apple,PowerMac}}");
36 MODULE_LICENSE("GPL");
38 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
39 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
40 static int enable_beep = 1;
42 module_param(index, int, 0444);
43 MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
44 module_param(id, charp, 0444);
45 MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
46 module_param(enable_beep, bool, 0444);
47 MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");
49 static struct platform_device *device;
55 static int __init snd_pmac_probe(struct platform_device *devptr)
57 struct snd_card *card;
58 struct snd_pmac *chip;
59 char *name_ext;
60 int err;
62 card = snd_card_new(index, id, THIS_MODULE, 0);
63 if (card == NULL)
64 return -ENOMEM;
66 if ((err = snd_pmac_new(card, &chip)) < 0)
67 goto __error;
68 card->private_data = chip;
70 switch (chip->model) {
71 case PMAC_BURGUNDY:
72 strcpy(card->driver, "PMac Burgundy");
73 strcpy(card->shortname, "PowerMac Burgundy");
74 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
75 card->shortname, chip->device_id, chip->subframe);
76 if ((err = snd_pmac_burgundy_init(chip)) < 0)
77 goto __error;
78 break;
79 case PMAC_DACA:
80 strcpy(card->driver, "PMac DACA");
81 strcpy(card->shortname, "PowerMac DACA");
82 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
83 card->shortname, chip->device_id, chip->subframe);
84 if ((err = snd_pmac_daca_init(chip)) < 0)
85 goto __error;
86 break;
87 case PMAC_TUMBLER:
88 case PMAC_SNAPPER:
89 name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper";
90 sprintf(card->driver, "PMac %s", name_ext);
91 sprintf(card->shortname, "PowerMac %s", name_ext);
92 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
93 card->shortname, chip->device_id, chip->subframe);
94 if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0)
95 goto __error;
96 break;
97 case PMAC_AWACS:
98 case PMAC_SCREAMER:
99 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
100 sprintf(card->driver, "PMac %s", name_ext);
101 sprintf(card->shortname, "PowerMac %s", name_ext);
102 if (chip->is_pbook_3400)
103 name_ext = " [PB3400]";
104 else if (chip->is_pbook_G3)
105 name_ext = " [PBG3]";
106 else
107 name_ext = "";
108 sprintf(card->longname, "%s%s Rev %d",
109 card->shortname, name_ext, chip->revision);
110 if ((err = snd_pmac_awacs_init(chip)) < 0)
111 goto __error;
112 break;
113 default:
114 snd_printk("unsupported hardware %d\n", chip->model);
115 err = -EINVAL;
116 goto __error;
119 if ((err = snd_pmac_pcm_new(chip)) < 0)
120 goto __error;
122 chip->initialized = 1;
123 if (enable_beep)
124 snd_pmac_attach_beep(chip);
126 snd_card_set_dev(card, &devptr->dev);
128 if ((err = snd_card_register(card)) < 0)
129 goto __error;
131 platform_set_drvdata(devptr, card);
132 return 0;
134 __error:
135 snd_card_free(card);
136 return err;
140 static int __devexit snd_pmac_remove(struct platform_device *devptr)
142 snd_card_free(platform_get_drvdata(devptr));
143 platform_set_drvdata(devptr, NULL);
144 return 0;
147 #ifdef CONFIG_PM
148 static int snd_pmac_driver_suspend(struct platform_device *devptr, pm_message_t state)
150 struct snd_card *card = platform_get_drvdata(devptr);
151 snd_pmac_suspend(card->private_data);
152 return 0;
155 static int snd_pmac_driver_resume(struct platform_device *devptr)
157 struct snd_card *card = platform_get_drvdata(devptr);
158 snd_pmac_resume(card->private_data);
159 return 0;
161 #endif
163 #define SND_PMAC_DRIVER "snd_powermac"
165 static struct platform_driver snd_pmac_driver = {
166 .probe = snd_pmac_probe,
167 .remove = __devexit_p(snd_pmac_remove),
168 #ifdef CONFIG_PM
169 .suspend = snd_pmac_driver_suspend,
170 .resume = snd_pmac_driver_resume,
171 #endif
172 .driver = {
173 .name = SND_PMAC_DRIVER
177 static int __init alsa_card_pmac_init(void)
179 int err;
181 if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
182 return err;
183 device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
184 return 0;
188 static void __exit alsa_card_pmac_exit(void)
190 if (!IS_ERR(device))
191 platform_device_unregister(device);
192 platform_driver_unregister(&snd_pmac_driver);
195 module_init(alsa_card_pmac_init)
196 module_exit(alsa_card_pmac_exit)