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1da177e4 LT |
1 | /* |
2 | * Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha) | |
3 | * Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>, | |
c1017a4c JK |
4 | * Jaroslav Kysela <perex@perex.cz> |
5 | * Based on card-4232.c by Jaroslav Kysela <perex@perex.cz> | |
1da177e4 LT |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
1da177e4 | 24 | #include <linux/init.h> |
68668845 | 25 | #include <linux/err.h> |
e2759e33 | 26 | #include <linux/isa.h> |
1da177e4 LT |
27 | #include <linux/time.h> |
28 | #include <linux/wait.h> | |
65a77217 | 29 | #include <linux/module.h> |
1da177e4 | 30 | #include <sound/core.h> |
760fc6b8 | 31 | #include <sound/wss.h> |
1da177e4 LT |
32 | #include <sound/initval.h> |
33 | ||
e2759e33 RH |
34 | #define CRD_NAME "Generic AD1848/AD1847/CS4248" |
35 | #define DEV_NAME "ad1848" | |
36 | ||
37 | MODULE_DESCRIPTION(CRD_NAME); | |
c1017a4c | 38 | MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@perex.cz>"); |
1da177e4 LT |
39 | MODULE_LICENSE("GPL"); |
40 | MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848}," | |
41 | "{Analog Devices,AD1847}," | |
42 | "{Crystal Semiconductors,CS4248}}"); | |
43 | ||
44 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
45 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
a67ff6a5 | 46 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
1da177e4 LT |
47 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
48 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ | |
49 | static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ | |
a67ff6a5 | 50 | static bool thinkpad[SNDRV_CARDS]; /* Thinkpad special case */ |
1da177e4 LT |
51 | |
52 | module_param_array(index, int, NULL, 0444); | |
e2759e33 | 53 | MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard."); |
1da177e4 | 54 | module_param_array(id, charp, NULL, 0444); |
e2759e33 | 55 | MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard."); |
1da177e4 | 56 | module_param_array(enable, bool, NULL, 0444); |
e2759e33 | 57 | MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard."); |
1da177e4 | 58 | module_param_array(port, long, NULL, 0444); |
e2759e33 | 59 | MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver."); |
1da177e4 | 60 | module_param_array(irq, int, NULL, 0444); |
e2759e33 | 61 | MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver."); |
1da177e4 | 62 | module_param_array(dma1, int, NULL, 0444); |
e2759e33 | 63 | MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver."); |
1da177e4 LT |
64 | module_param_array(thinkpad, bool, NULL, 0444); |
65 | MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series."); | |
66 | ||
e2759e33 RH |
67 | static int __devinit snd_ad1848_match(struct device *dev, unsigned int n) |
68 | { | |
69 | if (!enable[n]) | |
70 | return 0; | |
f7a9275d | 71 | |
e2759e33 | 72 | if (port[n] == SNDRV_AUTO_PORT) { |
0418ff0c | 73 | dev_err(dev, "please specify port\n"); |
e2759e33 RH |
74 | return 0; |
75 | } | |
76 | if (irq[n] == SNDRV_AUTO_IRQ) { | |
0418ff0c | 77 | dev_err(dev, "please specify irq\n"); |
e2759e33 RH |
78 | return 0; |
79 | } | |
80 | if (dma1[n] == SNDRV_AUTO_DMA) { | |
0418ff0c | 81 | dev_err(dev, "please specify dma1\n"); |
e2759e33 RH |
82 | return 0; |
83 | } | |
84 | return 1; | |
85 | } | |
1da177e4 | 86 | |
e2759e33 | 87 | static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n) |
1da177e4 | 88 | { |
c8ff6647 | 89 | struct snd_card *card; |
241b3ee7 | 90 | struct snd_wss *chip; |
c8ff6647 | 91 | struct snd_pcm *pcm; |
e2759e33 | 92 | int error; |
1da177e4 | 93 | |
c95eadd2 TI |
94 | error = snd_card_create(index[n], id[n], THIS_MODULE, 0, &card); |
95 | if (error < 0) | |
96 | return error; | |
1da177e4 | 97 | |
760fc6b8 KH |
98 | error = snd_wss_create(card, port[n], -1, irq[n], dma1[n], -1, |
99 | thinkpad[n] ? WSS_HW_THINKPAD : WSS_HW_DETECT, | |
100 | 0, &chip); | |
e2759e33 RH |
101 | if (error < 0) |
102 | goto out; | |
1da177e4 | 103 | |
68668845 | 104 | card->private_data = chip; |
43bcd973 | 105 | |
ead893c0 | 106 | error = snd_wss_pcm(chip, 0, &pcm); |
e2759e33 RH |
107 | if (error < 0) |
108 | goto out; | |
43bcd973 | 109 | |
5664daa1 | 110 | error = snd_wss_mixer(chip); |
e2759e33 RH |
111 | if (error < 0) |
112 | goto out; | |
1da177e4 | 113 | |
1da177e4 LT |
114 | strcpy(card->driver, "AD1848"); |
115 | strcpy(card->shortname, pcm->name); | |
116 | ||
117 | sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", | |
e2759e33 RH |
118 | pcm->name, chip->port, irq[n], dma1[n]); |
119 | if (thinkpad[n]) | |
1da177e4 | 120 | strcat(card->longname, " [Thinkpad]"); |
1da177e4 | 121 | |
e2759e33 | 122 | snd_card_set_dev(card, dev); |
43bcd973 | 123 | |
e2759e33 RH |
124 | error = snd_card_register(card); |
125 | if (error < 0) | |
126 | goto out; | |
43bcd973 | 127 | |
e2759e33 | 128 | dev_set_drvdata(dev, card); |
1da177e4 | 129 | return 0; |
43bcd973 | 130 | |
e2759e33 RH |
131 | out: snd_card_free(card); |
132 | return error; | |
1da177e4 LT |
133 | } |
134 | ||
e2759e33 | 135 | static int __devexit snd_ad1848_remove(struct device *dev, unsigned int n) |
68668845 | 136 | { |
e2759e33 RH |
137 | snd_card_free(dev_get_drvdata(dev)); |
138 | dev_set_drvdata(dev, NULL); | |
68668845 TI |
139 | return 0; |
140 | } | |
141 | ||
142 | #ifdef CONFIG_PM | |
e2759e33 | 143 | static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state) |
68668845 | 144 | { |
e2759e33 | 145 | struct snd_card *card = dev_get_drvdata(dev); |
241b3ee7 | 146 | struct snd_wss *chip = card->private_data; |
68668845 TI |
147 | |
148 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | |
149 | chip->suspend(chip); | |
150 | return 0; | |
151 | } | |
152 | ||
e2759e33 | 153 | static int snd_ad1848_resume(struct device *dev, unsigned int n) |
1da177e4 | 154 | { |
e2759e33 | 155 | struct snd_card *card = dev_get_drvdata(dev); |
241b3ee7 | 156 | struct snd_wss *chip = card->private_data; |
1da177e4 | 157 | |
68668845 TI |
158 | chip->resume(chip); |
159 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | |
160 | return 0; | |
161 | } | |
162 | #endif | |
163 | ||
e2759e33 RH |
164 | static struct isa_driver snd_ad1848_driver = { |
165 | .match = snd_ad1848_match, | |
68668845 TI |
166 | .probe = snd_ad1848_probe, |
167 | .remove = __devexit_p(snd_ad1848_remove), | |
168 | #ifdef CONFIG_PM | |
169 | .suspend = snd_ad1848_suspend, | |
170 | .resume = snd_ad1848_resume, | |
171 | #endif | |
172 | .driver = { | |
e2759e33 RH |
173 | .name = DEV_NAME |
174 | } | |
68668845 | 175 | }; |
1da177e4 | 176 | |
68668845 TI |
177 | static int __init alsa_card_ad1848_init(void) |
178 | { | |
e2759e33 | 179 | return isa_register_driver(&snd_ad1848_driver, SNDRV_CARDS); |
1da177e4 LT |
180 | } |
181 | ||
182 | static void __exit alsa_card_ad1848_exit(void) | |
183 | { | |
e2759e33 | 184 | isa_unregister_driver(&snd_ad1848_driver); |
1da177e4 LT |
185 | } |
186 | ||
e2759e33 RH |
187 | module_init(alsa_card_ad1848_init); |
188 | module_exit(alsa_card_ad1848_exit); |