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1da177e4 LT |
1 | |
2 | /* | |
3 | card-es968.c - driver for ESS AudioDrive ES968 based soundcards. | |
4 | Copyright (C) 1999 by Massimo Piccioni <dafastidio@libero.it> | |
5 | ||
6 | Thanks to Pierfrancesco 'qM2' Passerini. | |
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 | #include <sound/driver.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/time.h> | |
26 | #include <linux/pnp.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <sound/core.h> | |
29 | #include <sound/initval.h> | |
30 | #include <sound/sb.h> | |
31 | ||
32 | #define PFX "es968: " | |
33 | ||
34 | MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>"); | |
35 | MODULE_DESCRIPTION("ESS AudioDrive ES968"); | |
36 | MODULE_LICENSE("GPL"); | |
37 | MODULE_SUPPORTED_DEVICE("{{ESS,AudioDrive ES968}}"); | |
38 | ||
39 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
40 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
41 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */ | |
42 | static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ | |
43 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */ | |
44 | static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */ | |
45 | ||
46 | module_param_array(index, int, NULL, 0444); | |
47 | MODULE_PARM_DESC(index, "Index value for es968 based soundcard."); | |
48 | module_param_array(id, charp, NULL, 0444); | |
49 | MODULE_PARM_DESC(id, "ID string for es968 based soundcard."); | |
50 | module_param_array(enable, bool, NULL, 0444); | |
51 | MODULE_PARM_DESC(enable, "Enable es968 based soundcard."); | |
52 | module_param_array(port, long, NULL, 0444); | |
53 | MODULE_PARM_DESC(port, "Port # for es968 driver."); | |
54 | module_param_array(irq, int, NULL, 0444); | |
55 | MODULE_PARM_DESC(irq, "IRQ # for es968 driver."); | |
56 | module_param_array(dma8, int, NULL, 0444); | |
57 | MODULE_PARM_DESC(dma8, "8-bit DMA # for es968 driver."); | |
58 | ||
59 | struct snd_card_es968 { | |
60 | struct pnp_dev *dev; | |
7a8fef1f | 61 | struct snd_sb *chip; |
1da177e4 LT |
62 | }; |
63 | ||
64 | static struct pnp_card_device_id snd_es968_pnpids[] = { | |
65 | { .id = "ESS0968", .devs = { { "@@@0968" }, } }, | |
66 | { .id = "", } /* end */ | |
67 | }; | |
68 | ||
69 | MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids); | |
70 | ||
71 | #define DRIVER_NAME "snd-card-es968" | |
72 | ||
7d12e780 | 73 | static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id) |
1da177e4 | 74 | { |
029d64b0 | 75 | struct snd_sb *chip = dev_id; |
1da177e4 LT |
76 | |
77 | if (chip->open & SB_OPEN_PCM) { | |
78 | return snd_sb8dsp_interrupt(chip); | |
79 | } else { | |
80 | return snd_sb8dsp_midi_interrupt(chip); | |
81 | } | |
82 | } | |
83 | ||
84 | static int __devinit snd_card_es968_pnp(int dev, struct snd_card_es968 *acard, | |
85 | struct pnp_card_link *card, | |
86 | const struct pnp_card_device_id *id) | |
87 | { | |
88 | struct pnp_dev *pdev; | |
89 | struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL); | |
90 | int err; | |
91 | if (!cfg) | |
92 | return -ENOMEM; | |
93 | acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL); | |
94 | if (acard->dev == NULL) { | |
95 | kfree(cfg); | |
96 | return -ENODEV; | |
97 | } | |
98 | ||
99 | pdev = acard->dev; | |
100 | ||
101 | pnp_init_resource_table(cfg); | |
102 | ||
103 | /* override resources */ | |
104 | if (port[dev] != SNDRV_AUTO_PORT) | |
105 | pnp_resource_change(&cfg->port_resource[0], port[dev], 16); | |
106 | if (dma8[dev] != SNDRV_AUTO_DMA) | |
107 | pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1); | |
108 | if (irq[dev] != SNDRV_AUTO_IRQ) | |
109 | pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1); | |
110 | if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0) | |
111 | snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n"); | |
112 | err = pnp_activate_dev(pdev); | |
113 | if (err < 0) { | |
114 | snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n"); | |
115 | kfree(cfg); | |
116 | return err; | |
117 | } | |
118 | port[dev] = pnp_port_start(pdev, 0); | |
119 | dma8[dev] = pnp_dma(pdev, 1); | |
120 | irq[dev] = pnp_irq(pdev, 0); | |
121 | ||
122 | kfree(cfg); | |
123 | return 0; | |
124 | } | |
125 | ||
6a3a3a02 | 126 | static int __devinit snd_card_es968_probe(int dev, |
1da177e4 LT |
127 | struct pnp_card_link *pcard, |
128 | const struct pnp_card_device_id *pid) | |
129 | { | |
130 | int error; | |
029d64b0 TI |
131 | struct snd_sb *chip; |
132 | struct snd_card *card; | |
1da177e4 LT |
133 | struct snd_card_es968 *acard; |
134 | ||
135 | if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE, | |
136 | sizeof(struct snd_card_es968))) == NULL) | |
137 | return -ENOMEM; | |
7a8fef1f | 138 | acard = card->private_data; |
1da177e4 LT |
139 | if ((error = snd_card_es968_pnp(dev, acard, pcard, pid))) { |
140 | snd_card_free(card); | |
141 | return error; | |
142 | } | |
143 | snd_card_set_dev(card, &pcard->card->dev); | |
144 | ||
145 | if ((error = snd_sbdsp_create(card, port[dev], | |
146 | irq[dev], | |
147 | snd_card_es968_interrupt, | |
148 | dma8[dev], | |
149 | -1, | |
150 | SB_HW_AUTO, &chip)) < 0) { | |
151 | snd_card_free(card); | |
152 | return error; | |
153 | } | |
7a8fef1f | 154 | acard->chip = chip; |
1da177e4 LT |
155 | |
156 | if ((error = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) { | |
157 | snd_card_free(card); | |
158 | return error; | |
159 | } | |
160 | ||
161 | if ((error = snd_sbmixer_new(chip)) < 0) { | |
162 | snd_card_free(card); | |
163 | return error; | |
164 | } | |
165 | ||
166 | if ((error = snd_sb8dsp_midi(chip, 0, NULL)) < 0) { | |
167 | snd_card_free(card); | |
168 | return error; | |
169 | } | |
170 | ||
171 | strcpy(card->driver, "ES968"); | |
172 | strcpy(card->shortname, "ESS ES968"); | |
173 | sprintf(card->longname, "%s soundcard, %s at 0x%lx, irq %d, dma %d", | |
174 | card->shortname, chip->name, chip->port, irq[dev], dma8[dev]); | |
175 | ||
176 | if ((error = snd_card_register(card)) < 0) { | |
177 | snd_card_free(card); | |
178 | return error; | |
179 | } | |
180 | pnp_set_card_drvdata(pcard, card); | |
181 | return 0; | |
182 | } | |
183 | ||
6a3a3a02 BH |
184 | static unsigned int __devinitdata es968_devices; |
185 | ||
1da177e4 LT |
186 | static int __devinit snd_es968_pnp_detect(struct pnp_card_link *card, |
187 | const struct pnp_card_device_id *id) | |
188 | { | |
189 | static int dev; | |
190 | int res; | |
191 | ||
192 | for ( ; dev < SNDRV_CARDS; dev++) { | |
193 | if (!enable[dev]) | |
194 | continue; | |
195 | res = snd_card_es968_probe(dev, card, id); | |
196 | if (res < 0) | |
197 | return res; | |
198 | dev++; | |
6a3a3a02 | 199 | es968_devices++; |
1da177e4 LT |
200 | return 0; |
201 | } | |
202 | return -ENODEV; | |
203 | } | |
204 | ||
205 | static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard) | |
206 | { | |
7a8fef1f TI |
207 | snd_card_free(pnp_get_card_drvdata(pcard)); |
208 | pnp_set_card_drvdata(pcard, NULL); | |
209 | } | |
210 | ||
211 | #ifdef CONFIG_PM | |
212 | static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state) | |
213 | { | |
214 | struct snd_card *card = pnp_get_card_drvdata(pcard); | |
215 | struct snd_card_es968 *acard = card->private_data; | |
216 | struct snd_sb *chip = acard->chip; | |
217 | ||
218 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | |
219 | snd_pcm_suspend_all(chip->pcm); | |
220 | snd_sbmixer_suspend(chip); | |
221 | return 0; | |
222 | } | |
223 | ||
224 | static int snd_es968_pnp_resume(struct pnp_card_link *pcard) | |
225 | { | |
226 | struct snd_card *card = pnp_get_card_drvdata(pcard); | |
227 | struct snd_card_es968 *acard = card->private_data; | |
228 | struct snd_sb *chip = acard->chip; | |
1da177e4 | 229 | |
7a8fef1f TI |
230 | snd_sbdsp_reset(chip); |
231 | snd_sbmixer_resume(chip); | |
232 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | |
233 | return 0; | |
1da177e4 | 234 | } |
7a8fef1f | 235 | #endif |
1da177e4 LT |
236 | |
237 | static struct pnp_card_driver es968_pnpc_driver = { | |
238 | .flags = PNP_DRIVER_RES_DISABLE, | |
239 | .name = "es968", | |
240 | .id_table = snd_es968_pnpids, | |
241 | .probe = snd_es968_pnp_detect, | |
242 | .remove = __devexit_p(snd_es968_pnp_remove), | |
7a8fef1f TI |
243 | #ifdef CONFIG_PM |
244 | .suspend = snd_es968_pnp_suspend, | |
245 | .resume = snd_es968_pnp_resume, | |
246 | #endif | |
1da177e4 LT |
247 | }; |
248 | ||
249 | static int __init alsa_card_es968_init(void) | |
250 | { | |
6a3a3a02 BH |
251 | int err = pnp_register_card_driver(&es968_pnpc_driver); |
252 | if (err) | |
253 | return err; | |
254 | ||
255 | if (!es968_devices) { | |
1da177e4 | 256 | pnp_unregister_card_driver(&es968_pnpc_driver); |
7a8fef1f | 257 | #ifdef MODULE |
1da177e4 | 258 | snd_printk(KERN_ERR "no ES968 based soundcards found\n"); |
1da177e4 | 259 | #endif |
7a8fef1f TI |
260 | return -ENODEV; |
261 | } | |
262 | return 0; | |
1da177e4 LT |
263 | } |
264 | ||
265 | static void __exit alsa_card_es968_exit(void) | |
266 | { | |
267 | pnp_unregister_card_driver(&es968_pnpc_driver); | |
268 | } | |
269 | ||
270 | module_init(alsa_card_es968_init) | |
271 | module_exit(alsa_card_es968_exit) |