xref: /openbmc/linux/sound/ppc/powermac.c (revision 8ffdff6a)
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 
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 
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
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 
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 
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 
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