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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_create(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 		if ( snd_pmac_tumbler_init(chip) < 0 || snd_pmac_tumbler_post_init() < 0)
94 			goto __error;
95 		break;
96 	case PMAC_AWACS:
97 	case PMAC_SCREAMER:
98 		name_ext = chip->model == PMAC_SCREAMER ? "Screamer" : "AWACS";
99 		sprintf(card->driver, "PMac %s", name_ext);
100 		sprintf(card->shortname, "PowerMac %s", name_ext);
101 		if (chip->is_pbook_3400)
102 			name_ext = " [PB3400]";
103 		else if (chip->is_pbook_G3)
104 			name_ext = " [PBG3]";
105 		else
106 			name_ext = "";
107 		sprintf(card->longname, "%s%s Rev %d",
108 			card->shortname, name_ext, chip->revision);
109 		if ((err = snd_pmac_awacs_init(chip)) < 0)
110 			goto __error;
111 		break;
112 	default:
113 		snd_printk(KERN_ERR "unsupported hardware %d\n", chip->model);
114 		err = -EINVAL;
115 		goto __error;
116 	}
117 
118 	if ((err = snd_pmac_pcm_new(chip)) < 0)
119 		goto __error;
120 
121 	chip->initialized = 1;
122 	if (enable_beep)
123 		snd_pmac_attach_beep(chip);
124 
125 	snd_card_set_dev(card, &devptr->dev);
126 
127 	if ((err = snd_card_register(card)) < 0)
128 		goto __error;
129 
130 	platform_set_drvdata(devptr, card);
131 	return 0;
132 
133 __error:
134 	snd_card_free(card);
135 	return err;
136 }
137 
138 
snd_pmac_remove(struct platform_device * devptr)139 static int snd_pmac_remove(struct platform_device *devptr)
140 {
141 	snd_card_free(platform_get_drvdata(devptr));
142 	platform_set_drvdata(devptr, NULL);
143 	return 0;
144 }
145 
146 #ifdef CONFIG_PM_SLEEP
snd_pmac_driver_suspend(struct device * dev)147 static int snd_pmac_driver_suspend(struct device *dev)
148 {
149 	struct snd_card *card = dev_get_drvdata(dev);
150 	snd_pmac_suspend(card->private_data);
151 	return 0;
152 }
153 
snd_pmac_driver_resume(struct device * dev)154 static int snd_pmac_driver_resume(struct device *dev)
155 {
156 	struct snd_card *card = dev_get_drvdata(dev);
157 	snd_pmac_resume(card->private_data);
158 	return 0;
159 }
160 
161 static SIMPLE_DEV_PM_OPS(snd_pmac_pm, snd_pmac_driver_suspend, snd_pmac_driver_resume);
162 #define SND_PMAC_PM_OPS	&snd_pmac_pm
163 #else
164 #define SND_PMAC_PM_OPS	NULL
165 #endif
166 
167 #define SND_PMAC_DRIVER		"snd_powermac"
168 
169 static struct platform_driver snd_pmac_driver = {
170 	.probe		= snd_pmac_probe,
171 	.remove		= snd_pmac_remove,
172 	.driver		= {
173 		.name	= SND_PMAC_DRIVER,
174 		.owner	= THIS_MODULE,
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