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