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/module.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 bool 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
snd_pmac_probe(struct platform_device * devptr)54 static int 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 err = snd_card_new(&devptr->dev, index, id, THIS_MODULE, 0, &card);
62 if (err < 0)
63 return err;
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 err = snd_pmac_tumbler_init(chip);
94 if (err < 0)
95 goto __error;
96 err = snd_pmac_tumbler_post_init();
97 if (err < 0)
98 goto __error;
99 break;
100 case PMAC_AWACS:
101 case PMAC_SCREAMER:
102 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
103 sprintf(card->driver, "PMac %s", name_ext);
104 sprintf(card->shortname, "PowerMac %s", name_ext);
105 if (chip->is_pbook_3400)
106 name_ext = " [PB3400]";
107 else if (chip->is_pbook_G3)
108 name_ext = " [PBG3]";
109 else
110 name_ext = "";
111 sprintf(card->longname, "%s%s Rev %d",
112 card->shortname, name_ext, chip->revision);
113 if ((err = snd_pmac_awacs_init(chip)) < 0)
114 goto __error;
115 break;
116 default:
117 snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model);
118 err = -EINVAL;
119 goto __error;
120 }
121
122 if ((err = snd_pmac_pcm_new(chip)) < 0)
123 goto __error;
124
125 chip->initialized = 1;
126 if (enable_beep)
127 snd_pmac_attach_beep(chip);
128
129 if ((err = snd_card_register(card)) < 0)
130 goto __error;
131
132 platform_set_drvdata(devptr, card);
133 return 0;
134
135 __error:
136 snd_card_free(card);
137 return err;
138 }
139
140
snd_pmac_remove(struct platform_device * devptr)141 static int snd_pmac_remove(struct platform_device *devptr)
142 {
143 snd_card_free(platform_get_drvdata(devptr));
144 return 0;
145 }
146
147 #ifdef CONFIG_PM_SLEEP
snd_pmac_driver_suspend(struct device * dev)148 static int snd_pmac_driver_suspend(struct device *dev)
149 {
150 struct snd_card *card = dev_get_drvdata(dev);
151 snd_pmac_suspend(card->private_data);
152 return 0;
153 }
154
snd_pmac_driver_resume(struct device * dev)155 static int snd_pmac_driver_resume(struct device *dev)
156 {
157 struct snd_card *card = dev_get_drvdata(dev);
158 snd_pmac_resume(card->private_data);
159 return 0;
160 }
161
162 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
163 #define SND_PMAC_PM_OPS &snd_pmac_pm
164 #else
165 #define SND_PMAC_PM_OPS NULL
166 #endif
167
168 #define SND_PMAC_DRIVER "snd_powermac"
169
170 static struct platform_driver snd_pmac_driver = {
171 .probe = snd_pmac_probe,
172 .remove = snd_pmac_remove,
173 .driver = {
174 .name = SND_PMAC_DRIVER,
175 .pm = SND_PMAC_PM_OPS,
176 },
177 };
178
alsa_card_pmac_init(void)179 static int __init alsa_card_pmac_init(void)
180 {
181 int err;
182
183 if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
184 return err;
185 device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
186 return 0;
187
188 }
189
alsa_card_pmac_exit(void)190 static void __exit alsa_card_pmac_exit(void)
191 {
192 if (!IS_ERR(device))
193 platform_device_unregister(device);
194 platform_driver_unregister(&snd_pmac_driver);
195 }
196
197 module_init(alsa_card_pmac_init)
198 module_exit(alsa_card_pmac_exit)
199