Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Driver for Aztech Sound Galaxy cards | |
3 | * Copyright (c) by Christopher Butler <chrisb@sandy.force9.co.uk. | |
4 | * | |
5 | * I don't have documentation for this card, I based this driver on the | |
6 | * driver for OSS/Free included in the kernel source (drivers/sound/sgalaxy.c) | |
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 | ||
24 | #include <sound/driver.h> | |
1da177e4 | 25 | #include <linux/init.h> |
feb158e6 | 26 | #include <linux/err.h> |
5e24c1c1 | 27 | #include <linux/isa.h> |
1da177e4 LT |
28 | #include <linux/delay.h> |
29 | #include <linux/time.h> | |
30 | #include <linux/interrupt.h> | |
31 | #include <linux/moduleparam.h> | |
feb158e6 | 32 | #include <asm/dma.h> |
1da177e4 LT |
33 | #include <sound/core.h> |
34 | #include <sound/sb.h> | |
35 | #include <sound/ad1848.h> | |
36 | #include <sound/control.h> | |
37 | #define SNDRV_LEGACY_FIND_FREE_IRQ | |
38 | #define SNDRV_LEGACY_FIND_FREE_DMA | |
39 | #include <sound/initval.h> | |
40 | ||
41 | MODULE_AUTHOR("Christopher Butler <chrisb@sandy.force9.co.uk>"); | |
42 | MODULE_DESCRIPTION("Aztech Sound Galaxy"); | |
43 | MODULE_LICENSE("GPL"); | |
44 | MODULE_SUPPORTED_DEVICE("{{Aztech Systems,Sound Galaxy}}"); | |
45 | ||
46 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ | |
47 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ | |
48 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ | |
49 | static long sbport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240 */ | |
50 | static long wssport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530,0xe80,0xf40,0x604 */ | |
51 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 7,9,10,11 */ | |
52 | static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ | |
53 | ||
54 | module_param_array(index, int, NULL, 0444); | |
55 | MODULE_PARM_DESC(index, "Index value for Sound Galaxy soundcard."); | |
56 | module_param_array(id, charp, NULL, 0444); | |
57 | MODULE_PARM_DESC(id, "ID string for Sound Galaxy soundcard."); | |
58 | module_param_array(sbport, long, NULL, 0444); | |
59 | MODULE_PARM_DESC(sbport, "Port # for Sound Galaxy SB driver."); | |
60 | module_param_array(wssport, long, NULL, 0444); | |
61 | MODULE_PARM_DESC(wssport, "Port # for Sound Galaxy WSS driver."); | |
62 | module_param_array(irq, int, NULL, 0444); | |
63 | MODULE_PARM_DESC(irq, "IRQ # for Sound Galaxy driver."); | |
64 | module_param_array(dma1, int, NULL, 0444); | |
65 | MODULE_PARM_DESC(dma1, "DMA1 # for Sound Galaxy driver."); | |
66 | ||
67 | #define SGALAXY_AUXC_LEFT 18 | |
68 | #define SGALAXY_AUXC_RIGHT 19 | |
69 | ||
43bcd973 TI |
70 | #define PFX "sgalaxy: " |
71 | ||
1da177e4 LT |
72 | /* |
73 | ||
74 | */ | |
75 | ||
76 | #define AD1848P1( port, x ) ( port + c_d_c_AD1848##x ) | |
77 | ||
11ff5c62 | 78 | /* from lowlevel/sb/sb.c - to avoid having to allocate a struct snd_sb for the */ |
1da177e4 LT |
79 | /* short time we actually need it.. */ |
80 | ||
81 | static int snd_sgalaxy_sbdsp_reset(unsigned long port) | |
82 | { | |
83 | int i; | |
84 | ||
85 | outb(1, SBP1(port, RESET)); | |
86 | udelay(10); | |
87 | outb(0, SBP1(port, RESET)); | |
88 | udelay(30); | |
89 | for (i = 0; i < 1000 && !(inb(SBP1(port, DATA_AVAIL)) & 0x80); i++); | |
90 | if (inb(SBP1(port, READ)) != 0xaa) { | |
91 | snd_printd("sb_reset: failed at 0x%lx!!!\n", port); | |
92 | return -ENODEV; | |
93 | } | |
94 | return 0; | |
95 | } | |
96 | ||
5e24c1c1 TI |
97 | static int __devinit snd_sgalaxy_sbdsp_command(unsigned long port, |
98 | unsigned char val) | |
1da177e4 LT |
99 | { |
100 | int i; | |
101 | ||
102 | for (i = 10000; i; i--) | |
103 | if ((inb(SBP1(port, STATUS)) & 0x80) == 0) { | |
104 | outb(val, SBP1(port, COMMAND)); | |
105 | return 1; | |
106 | } | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
7d12e780 | 111 | static irqreturn_t snd_sgalaxy_dummy_interrupt(int irq, void *dev_id) |
1da177e4 LT |
112 | { |
113 | return IRQ_NONE; | |
114 | } | |
115 | ||
5e24c1c1 | 116 | static int __devinit snd_sgalaxy_setup_wss(unsigned long port, int irq, int dma) |
1da177e4 LT |
117 | { |
118 | static int interrupt_bits[] = {-1, -1, -1, -1, -1, -1, -1, 0x08, -1, | |
119 | 0x10, 0x18, 0x20, -1, -1, -1, -1}; | |
120 | static int dma_bits[] = {1, 2, 0, 3}; | |
121 | int tmp, tmp1; | |
122 | ||
123 | if ((tmp = inb(port + 3)) == 0xff) | |
124 | { | |
125 | snd_printdd("I/O address dead (0x%lx)\n", port); | |
126 | return 0; | |
127 | } | |
128 | #if 0 | |
129 | snd_printdd("WSS signature = 0x%x\n", tmp); | |
130 | #endif | |
131 | ||
132 | if ((tmp & 0x3f) != 0x04 && | |
133 | (tmp & 0x3f) != 0x0f && | |
134 | (tmp & 0x3f) != 0x00) { | |
135 | snd_printdd("No WSS signature detected on port 0x%lx\n", | |
136 | port + 3); | |
137 | return 0; | |
138 | } | |
139 | ||
140 | #if 0 | |
43bcd973 | 141 | snd_printdd(PFX "setting up IRQ/DMA for WSS\n"); |
1da177e4 LT |
142 | #endif |
143 | ||
144 | /* initialize IRQ for WSS codec */ | |
145 | tmp = interrupt_bits[irq % 16]; | |
146 | if (tmp < 0) | |
147 | return -EINVAL; | |
148 | ||
65ca68b3 | 149 | if (request_irq(irq, snd_sgalaxy_dummy_interrupt, IRQF_DISABLED, "sgalaxy", NULL)) { |
1da177e4 LT |
150 | snd_printk(KERN_ERR "sgalaxy: can't grab irq %d\n", irq); |
151 | return -EIO; | |
152 | } | |
153 | ||
154 | outb(tmp | 0x40, port); | |
155 | tmp1 = dma_bits[dma % 4]; | |
156 | outb(tmp | tmp1, port); | |
157 | ||
158 | free_irq(irq, NULL); | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
5e24c1c1 | 163 | static int __devinit snd_sgalaxy_detect(int dev, int irq, int dma) |
1da177e4 LT |
164 | { |
165 | #if 0 | |
43bcd973 | 166 | snd_printdd(PFX "switching to WSS mode\n"); |
1da177e4 LT |
167 | #endif |
168 | ||
169 | /* switch to WSS mode */ | |
170 | snd_sgalaxy_sbdsp_reset(sbport[dev]); | |
171 | ||
172 | snd_sgalaxy_sbdsp_command(sbport[dev], 9); | |
173 | snd_sgalaxy_sbdsp_command(sbport[dev], 0); | |
174 | ||
175 | udelay(400); | |
176 | return snd_sgalaxy_setup_wss(wssport[dev], irq, dma); | |
177 | } | |
178 | ||
179 | static struct ad1848_mix_elem snd_sgalaxy_controls[] = { | |
180 | AD1848_DOUBLE("Aux Playback Switch", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 7, 7, 1, 1), | |
181 | AD1848_DOUBLE("Aux Playback Volume", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 0, 0, 31, 0) | |
182 | }; | |
183 | ||
5e24c1c1 | 184 | static int __devinit snd_sgalaxy_mixer(struct snd_ad1848 *chip) |
1da177e4 | 185 | { |
11ff5c62 TI |
186 | struct snd_card *card = chip->card; |
187 | struct snd_ctl_elem_id id1, id2; | |
1da177e4 LT |
188 | unsigned int idx; |
189 | int err; | |
190 | ||
191 | memset(&id1, 0, sizeof(id1)); | |
192 | memset(&id2, 0, sizeof(id2)); | |
193 | id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
194 | /* reassign AUX0 to LINE */ | |
195 | strcpy(id1.name, "Aux Playback Switch"); | |
196 | strcpy(id2.name, "Line Playback Switch"); | |
197 | if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) | |
198 | return err; | |
199 | strcpy(id1.name, "Aux Playback Volume"); | |
200 | strcpy(id2.name, "Line Playback Volume"); | |
201 | if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) | |
202 | return err; | |
203 | /* reassign AUX1 to FM */ | |
204 | strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; | |
205 | strcpy(id2.name, "FM Playback Switch"); | |
206 | if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) | |
207 | return err; | |
208 | strcpy(id1.name, "Aux Playback Volume"); | |
209 | strcpy(id2.name, "FM Playback Volume"); | |
210 | if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) | |
211 | return err; | |
212 | /* build AUX2 input */ | |
213 | for (idx = 0; idx < ARRAY_SIZE(snd_sgalaxy_controls); idx++) { | |
214 | if ((err = snd_ad1848_add_ctl_elem(chip, &snd_sgalaxy_controls[idx])) < 0) | |
215 | return err; | |
216 | } | |
217 | return 0; | |
218 | } | |
219 | ||
5e24c1c1 | 220 | static int __devinit snd_sgalaxy_match(struct device *devptr, unsigned int dev) |
1da177e4 | 221 | { |
5e24c1c1 TI |
222 | if (!enable[dev]) |
223 | return 0; | |
1da177e4 | 224 | if (sbport[dev] == SNDRV_AUTO_PORT) { |
43bcd973 | 225 | snd_printk(KERN_ERR PFX "specify SB port\n"); |
5e24c1c1 | 226 | return 0; |
1da177e4 LT |
227 | } |
228 | if (wssport[dev] == SNDRV_AUTO_PORT) { | |
43bcd973 | 229 | snd_printk(KERN_ERR PFX "specify WSS port\n"); |
5e24c1c1 | 230 | return 0; |
1da177e4 | 231 | } |
5e24c1c1 TI |
232 | return 1; |
233 | } | |
234 | ||
235 | static int __devinit snd_sgalaxy_probe(struct device *devptr, unsigned int dev) | |
236 | { | |
237 | static int possible_irqs[] = {7, 9, 10, 11, -1}; | |
238 | static int possible_dmas[] = {1, 3, 0, -1}; | |
239 | int err, xirq, xdma1; | |
240 | struct snd_card *card; | |
241 | struct snd_ad1848 *chip; | |
242 | ||
1da177e4 LT |
243 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); |
244 | if (card == NULL) | |
245 | return -ENOMEM; | |
246 | ||
247 | xirq = irq[dev]; | |
248 | if (xirq == SNDRV_AUTO_IRQ) { | |
249 | if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { | |
43bcd973 TI |
250 | snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); |
251 | err = -EBUSY; | |
252 | goto _err; | |
1da177e4 LT |
253 | } |
254 | } | |
255 | xdma1 = dma1[dev]; | |
256 | if (xdma1 == SNDRV_AUTO_DMA) { | |
257 | if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { | |
43bcd973 TI |
258 | snd_printk(KERN_ERR PFX "unable to find a free DMA\n"); |
259 | err = -EBUSY; | |
260 | goto _err; | |
1da177e4 LT |
261 | } |
262 | } | |
263 | ||
43bcd973 TI |
264 | if ((err = snd_sgalaxy_detect(dev, xirq, xdma1)) < 0) |
265 | goto _err; | |
1da177e4 LT |
266 | |
267 | if ((err = snd_ad1848_create(card, wssport[dev] + 4, | |
268 | xirq, xdma1, | |
43bcd973 TI |
269 | AD1848_HW_DETECT, &chip)) < 0) |
270 | goto _err; | |
feb158e6 | 271 | card->private_data = chip; |
1da177e4 LT |
272 | |
273 | if ((err = snd_ad1848_pcm(chip, 0, NULL)) < 0) { | |
43bcd973 TI |
274 | snd_printdd(PFX "error creating new ad1848 PCM device\n"); |
275 | goto _err; | |
1da177e4 LT |
276 | } |
277 | if ((err = snd_ad1848_mixer(chip)) < 0) { | |
43bcd973 TI |
278 | snd_printdd(PFX "error creating new ad1848 mixer\n"); |
279 | goto _err; | |
1da177e4 | 280 | } |
43bcd973 TI |
281 | if ((err = snd_sgalaxy_mixer(chip)) < 0) { |
282 | snd_printdd(PFX "the mixer rewrite failed\n"); | |
283 | goto _err; | |
1da177e4 LT |
284 | } |
285 | ||
286 | strcpy(card->driver, "Sound Galaxy"); | |
287 | strcpy(card->shortname, "Sound Galaxy"); | |
288 | sprintf(card->longname, "Sound Galaxy at 0x%lx, irq %d, dma %d", | |
289 | wssport[dev], xirq, xdma1); | |
290 | ||
5e24c1c1 | 291 | snd_card_set_dev(card, devptr); |
43bcd973 TI |
292 | |
293 | if ((err = snd_card_register(card)) < 0) | |
294 | goto _err; | |
295 | ||
5e24c1c1 | 296 | dev_set_drvdata(devptr, card); |
1da177e4 | 297 | return 0; |
43bcd973 TI |
298 | |
299 | _err: | |
300 | snd_card_free(card); | |
301 | return err; | |
1da177e4 LT |
302 | } |
303 | ||
5e24c1c1 | 304 | static int __devexit snd_sgalaxy_remove(struct device *devptr, unsigned int dev) |
feb158e6 | 305 | { |
5e24c1c1 TI |
306 | snd_card_free(dev_get_drvdata(devptr)); |
307 | dev_set_drvdata(devptr, NULL); | |
feb158e6 TI |
308 | return 0; |
309 | } | |
310 | ||
311 | #ifdef CONFIG_PM | |
5e24c1c1 TI |
312 | static int snd_sgalaxy_suspend(struct device *pdev, unsigned int n, |
313 | pm_message_t state) | |
feb158e6 | 314 | { |
5e24c1c1 | 315 | struct snd_card *card = dev_get_drvdata(pdev); |
feb158e6 TI |
316 | struct snd_ad1848 *chip = card->private_data; |
317 | ||
318 | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | |
319 | chip->suspend(chip); | |
320 | return 0; | |
321 | } | |
322 | ||
5e24c1c1 | 323 | static int snd_sgalaxy_resume(struct device *pdev, unsigned int n) |
feb158e6 | 324 | { |
5e24c1c1 | 325 | struct snd_card *card = dev_get_drvdata(pdev); |
feb158e6 TI |
326 | struct snd_ad1848 *chip = card->private_data; |
327 | ||
328 | chip->resume(chip); | |
329 | snd_ad1848_out(chip, SGALAXY_AUXC_LEFT, chip->image[SGALAXY_AUXC_LEFT]); | |
330 | snd_ad1848_out(chip, SGALAXY_AUXC_RIGHT, chip->image[SGALAXY_AUXC_RIGHT]); | |
331 | ||
332 | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | |
333 | return 0; | |
334 | } | |
335 | #endif | |
336 | ||
83c51c0a | 337 | #define DEV_NAME "sgalaxy" |
feb158e6 | 338 | |
5e24c1c1 TI |
339 | static struct isa_driver snd_sgalaxy_driver = { |
340 | .match = snd_sgalaxy_match, | |
feb158e6 TI |
341 | .probe = snd_sgalaxy_probe, |
342 | .remove = __devexit_p(snd_sgalaxy_remove), | |
343 | #ifdef CONFIG_PM | |
344 | .suspend = snd_sgalaxy_suspend, | |
345 | .resume = snd_sgalaxy_resume, | |
346 | #endif | |
347 | .driver = { | |
83c51c0a | 348 | .name = DEV_NAME |
feb158e6 TI |
349 | }, |
350 | }; | |
351 | ||
1da177e4 LT |
352 | static int __init alsa_card_sgalaxy_init(void) |
353 | { | |
5e24c1c1 | 354 | return isa_register_driver(&snd_sgalaxy_driver, SNDRV_CARDS); |
1da177e4 LT |
355 | } |
356 | ||
357 | static void __exit alsa_card_sgalaxy_exit(void) | |
358 | { | |
5e24c1c1 | 359 | isa_unregister_driver(&snd_sgalaxy_driver); |
1da177e4 LT |
360 | } |
361 | ||
362 | module_init(alsa_card_sgalaxy_init) | |
363 | module_exit(alsa_card_sgalaxy_exit) |