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 	err = snd_pmac_new(card, &chip);
52 	if (err < 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 		err = snd_pmac_burgundy_init(chip);
63 		if (err < 0)
64 			goto __error;
65 		break;
66 	case PMAC_DACA:
67 		strcpy(card->driver, "PMac DACA");
68 		strcpy(card->shortname, "PowerMac DACA");
69 		sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
70 			card->shortname, chip->device_id, chip->subframe);
71 		err = snd_pmac_daca_init(chip);
72 		if (err < 0)
73 			goto __error;
74 		break;
75 	case PMAC_TUMBLER:
76 	case PMAC_SNAPPER:
77 		name_ext = chip->model == PMAC_TUMBLER ? "Tumbler" : "Snapper";
78 		sprintf(card->driver, "PMac %s", name_ext);
79 		sprintf(card->shortname, "PowerMac %s", name_ext);
80 		sprintf(card->longname, "%s (Dev %d) Sub-frame %d",
81 			card->shortname, chip->device_id, chip->subframe);
82 		err = snd_pmac_tumbler_init(chip);
83 		if (err < 0)
84 			goto __error;
85 		err = snd_pmac_tumbler_post_init();
86 		if (err < 0)
87 			goto __error;
88 		break;
89 	case PMAC_AWACS:
90 	case PMAC_SCREAMER:
91 		name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
92 		sprintf(card->driver, "PMac %s", name_ext);
93 		sprintf(card->shortname, "PowerMac %s", name_ext);
94 		if (chip->is_pbook_3400)
95 			name_ext = " [PB3400]";
96 		else if (chip->is_pbook_G3)
97 			name_ext = " [PBG3]";
98 		else
99 			name_ext = "";
100 		sprintf(card->longname, "%s%s Rev %d",
101 			card->shortname, name_ext, chip->revision);
102 		err = snd_pmac_awacs_init(chip);
103 		if (err < 0)
104 			goto __error;
105 		break;
106 	default:
107 		snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model);
108 		err = -EINVAL;
109 		goto __error;
110 	}
111 
112 	err = snd_pmac_pcm_new(chip);
113 	if (err < 0)
114 		goto __error;
115 
116 	chip->initialized = 1;
117 	if (enable_beep)
118 		snd_pmac_attach_beep(chip);
119 
120 	err = snd_card_register(card);
121 	if (err < 0)
122 		goto __error;
123 
124 	platform_set_drvdata(devptr, card);
125 	return 0;
126 
127 __error:
128 	snd_card_free(card);
129 	return err;
130 }
131 
132 
snd_pmac_remove(struct platform_device * devptr)133 static int snd_pmac_remove(struct platform_device *devptr)
134 {
135 	snd_card_free(platform_get_drvdata(devptr));
136 	return 0;
137 }
138 
139 #ifdef CONFIG_PM_SLEEP
snd_pmac_driver_suspend(struct device * dev)140 static int snd_pmac_driver_suspend(struct device *dev)
141 {
142 	struct snd_card *card = dev_get_drvdata(dev);
143 	snd_pmac_suspend(card->private_data);
144 	return 0;
145 }
146 
snd_pmac_driver_resume(struct device * dev)147 static int snd_pmac_driver_resume(struct device *dev)
148 {
149 	struct snd_card *card = dev_get_drvdata(dev);
150 	snd_pmac_resume(card->private_data);
151 	return 0;
152 }
153 
154 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
155 #define SND_PMAC_PM_OPS	&snd_pmac_pm
156 #else
157 #define SND_PMAC_PM_OPS	NULL
158 #endif
159 
160 #define SND_PMAC_DRIVER		"snd_powermac"
161 
162 static struct platform_driver snd_pmac_driver = {
163 	.probe		= snd_pmac_probe,
164 	.remove		= snd_pmac_remove,
165 	.driver		= {
166 		.name	= SND_PMAC_DRIVER,
167 		.pm	= SND_PMAC_PM_OPS,
168 	},
169 };
170 
alsa_card_pmac_init(void)171 static int __init alsa_card_pmac_init(void)
172 {
173 	int err;
174 
175 	err = platform_driver_register(&snd_pmac_driver);
176 	if (err < 0)
177 		return err;
178 	device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
179 	return 0;
180 
181 }
182 
alsa_card_pmac_exit(void)183 static void __exit alsa_card_pmac_exit(void)
184 {
185 	if (!IS_ERR(device))
186 		platform_device_unregister(device);
187 	platform_driver_unregister(&snd_pmac_driver);
188 }
189 
190 module_init(alsa_card_pmac_init)
191 module_exit(alsa_card_pmac_exit)
192