1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Driver for PowerMac AWACS
4 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
5 * based on dmasound.c.
6 */
7
8 #include <linux/init.h>
9 #include <linux/err.h>
10 #include <linux/platform_device.h>
11 #include <linux/module.h>
12 #include <sound/core.h>
13 #include <sound/initval.h>
14 #include "pmac.h"
15 #include "awacs.h"
16 #include "burgundy.h"
17
18 #define CHIP_NAME "PMac"
19
20 MODULE_DESCRIPTION("PowerMac");
21 MODULE_SUPPORTED_DEVICE("{{Apple,PowerMac}}");
22 MODULE_LICENSE("GPL");
23
24 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
25 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
26 static bool enable_beep = 1;
27
28 module_param(index, int, 0444);
29 MODULE_PARM_DESC(index, "Index value for " CHIP_NAME " soundchip.");
30 module_param(id, charp, 0444);
31 MODULE_PARM_DESC(id, "ID string for " CHIP_NAME " soundchip.");
32 module_param(enable_beep, bool, 0444);
33 MODULE_PARM_DESC(enable_beep, "Enable beep using PCM.");
34
35 static struct platform_device *device;
36
37
38 /*
39 */
40
snd_pmac_probe(struct platform_device * devptr)41 static int snd_pmac_probe(struct platform_device *devptr)
42 {
43 struct snd_card *card;
44 struct snd_pmac *chip;
45 char *name_ext;
46 int err;
47
48 err = snd_card_new(&devptr->dev, index, id, THIS_MODULE, 0, &card);
49 if (err < 0)
50 return err;
51
52 if ((err = snd_pmac_new(card, &chip)) < 0)
53 goto __error;
54 card->private_data = chip;
55
56 switch (chip->model) {
57 case PMAC_BURGUNDY:
58 strcpy(card->driver, "PMac Burgundy");
59 strcpy(card->shortname, "PowerMac Burgundy");
60 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
61 card->shortname, chip->device_id, chip->subframe);
62 if ((err = snd_pmac_burgundy_init(chip)) < 0)
63 goto __error;
64 break;
65 case PMAC_DACA:
66 strcpy(card->driver, "PMac DACA");
67 strcpy(card->shortname, "PowerMac DACA");
68 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
69 card->shortname, chip->device_id, chip->subframe);
70 if ((err = snd_pmac_daca_init(chip)) < 0)
71 goto __error;
72 break;
73 case PMAC_TUMBLER:
74 case PMAC_SNAPPER:
75 name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper";
76 sprintf(card->driver, "PMac %s", name_ext);
77 sprintf(card->shortname, "PowerMac %s", name_ext);
78 sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
79 card->shortname, chip->device_id, chip->subframe);
80 err = snd_pmac_tumbler_init(chip);
81 if (err < 0)
82 goto __error;
83 err = snd_pmac_tumbler_post_init();
84 if (err < 0)
85 goto __error;
86 break;
87 case PMAC_AWACS:
88 case PMAC_SCREAMER:
89 name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
90 sprintf(card->driver, "PMac %s", name_ext);
91 sprintf(card->shortname, "PowerMac %s", name_ext);
92 if (chip->is_pbook_3400)
93 name_ext = " [PB3400]";
94 else if (chip->is_pbook_G3)
95 name_ext = " [PBG3]";
96 else
97 name_ext = "";
98 sprintf(card->longname, "%s%s Rev %d",
99 card->shortname, name_ext, chip->revision);
100 if ((err = snd_pmac_awacs_init(chip)) < 0)
101 goto __error;
102 break;
103 default:
104 snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model);
105 err = -EINVAL;
106 goto __error;
107 }
108
109 if ((err = snd_pmac_pcm_new(chip)) < 0)
110 goto __error;
111
112 chip->initialized = 1;
113 if (enable_beep)
114 snd_pmac_attach_beep(chip);
115
116 if ((err = snd_card_register(card)) < 0)
117 goto __error;
118
119 platform_set_drvdata(devptr, card);
120 return 0;
121
122 __error:
123 snd_card_free(card);
124 return err;
125 }
126
127
snd_pmac_remove(struct platform_device * devptr)128 static int snd_pmac_remove(struct platform_device *devptr)
129 {
130 snd_card_free(platform_get_drvdata(devptr));
131 return 0;
132 }
133
134 #ifdef CONFIG_PM_SLEEP
snd_pmac_driver_suspend(struct device * dev)135 static int snd_pmac_driver_suspend(struct device *dev)
136 {
137 struct snd_card *card = dev_get_drvdata(dev);
138 snd_pmac_suspend(card->private_data);
139 return 0;
140 }
141
snd_pmac_driver_resume(struct device * dev)142 static int snd_pmac_driver_resume(struct device *dev)
143 {
144 struct snd_card *card = dev_get_drvdata(dev);
145 snd_pmac_resume(card->private_data);
146 return 0;
147 }
148
149 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
150 #define SND_PMAC_PM_OPS &snd_pmac_pm
151 #else
152 #define SND_PMAC_PM_OPS NULL
153 #endif
154
155 #define SND_PMAC_DRIVER "snd_powermac"
156
157 static struct platform_driver snd_pmac_driver = {
158 .probe = snd_pmac_probe,
159 .remove = snd_pmac_remove,
160 .driver = {
161 .name = SND_PMAC_DRIVER,
162 .pm = SND_PMAC_PM_OPS,
163 },
164 };
165
alsa_card_pmac_init(void)166 static int __init alsa_card_pmac_init(void)
167 {
168 int err;
169
170 if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
171 return err;
172 device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
173 return 0;
174
175 }
176
alsa_card_pmac_exit(void)177 static void __exit alsa_card_pmac_exit(void)
178 {
179 if (!IS_ERR(device))
180 platform_device_unregister(device);
181 platform_driver_unregister(&snd_pmac_driver);
182 }
183
184 module_init(alsa_card_pmac_init)
185 module_exit(alsa_card_pmac_exit)
186