Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
| 25 | #include <asm/dma.h> |
| 26 | #include <linux/init.h> |
| 27 | #include <linux/delay.h> |
| 28 | #include <linux/time.h> |
| 29 | #include <linux/interrupt.h> |
| 30 | #include <linux/moduleparam.h> |
| 31 | #include <sound/core.h> |
| 32 | #include <sound/sb.h> |
| 33 | #include <sound/ad1848.h> |
| 34 | #include <sound/control.h> |
| 35 | #define SNDRV_LEGACY_FIND_FREE_IRQ |
| 36 | #define SNDRV_LEGACY_FIND_FREE_DMA |
| 37 | #include <sound/initval.h> |
| 38 | |
| 39 | MODULE_AUTHOR("Christopher Butler <chrisb@sandy.force9.co.uk>"); |
| 40 | MODULE_DESCRIPTION("Aztech Sound Galaxy"); |
| 41 | MODULE_LICENSE("GPL"); |
| 42 | MODULE_SUPPORTED_DEVICE("{{Aztech Systems,Sound Galaxy}}"); |
| 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 */ |
| 46 | static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
| 47 | static long sbport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240 */ |
| 48 | static long wssport[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x530,0xe80,0xf40,0x604 */ |
| 49 | static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 7,9,10,11 */ |
| 50 | static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */ |
| 51 | |
| 52 | module_param_array(index, int, NULL, 0444); |
| 53 | MODULE_PARM_DESC(index, "Index value for Sound Galaxy soundcard."); |
| 54 | module_param_array(id, charp, NULL, 0444); |
| 55 | MODULE_PARM_DESC(id, "ID string for Sound Galaxy soundcard."); |
| 56 | module_param_array(sbport, long, NULL, 0444); |
| 57 | MODULE_PARM_DESC(sbport, "Port # for Sound Galaxy SB driver."); |
| 58 | module_param_array(wssport, long, NULL, 0444); |
| 59 | MODULE_PARM_DESC(wssport, "Port # for Sound Galaxy WSS driver."); |
| 60 | module_param_array(irq, int, NULL, 0444); |
| 61 | MODULE_PARM_DESC(irq, "IRQ # for Sound Galaxy driver."); |
| 62 | module_param_array(dma1, int, NULL, 0444); |
| 63 | MODULE_PARM_DESC(dma1, "DMA1 # for Sound Galaxy driver."); |
| 64 | |
| 65 | #define SGALAXY_AUXC_LEFT 18 |
| 66 | #define SGALAXY_AUXC_RIGHT 19 |
| 67 | |
Takashi Iwai | 11ff5c6 | 2005-11-17 14:42:36 +0100 | [diff] [blame] | 68 | static struct snd_card *snd_sgalaxy_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 70 | #define PFX "sgalaxy: " |
| 71 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | /* |
| 73 | |
| 74 | */ |
| 75 | |
| 76 | #define AD1848P1( port, x ) ( port + c_d_c_AD1848##x ) |
| 77 | |
Takashi Iwai | 11ff5c6 | 2005-11-17 14:42:36 +0100 | [diff] [blame] | 78 | /* from lowlevel/sb/sb.c - to avoid having to allocate a struct snd_sb for the */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 97 | static int __init snd_sgalaxy_sbdsp_command(unsigned long port, unsigned char val) |
| 98 | { |
| 99 | int i; |
| 100 | |
| 101 | for (i = 10000; i; i--) |
| 102 | if ((inb(SBP1(port, STATUS)) & 0x80) == 0) { |
| 103 | outb(val, SBP1(port, COMMAND)); |
| 104 | return 1; |
| 105 | } |
| 106 | |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | static irqreturn_t snd_sgalaxy_dummy_interrupt(int irq, void *dev_id, struct pt_regs *regs) |
| 111 | { |
| 112 | return IRQ_NONE; |
| 113 | } |
| 114 | |
| 115 | static int __init snd_sgalaxy_setup_wss(unsigned long port, int irq, int dma) |
| 116 | { |
| 117 | static int interrupt_bits[] = {-1, -1, -1, -1, -1, -1, -1, 0x08, -1, |
| 118 | 0x10, 0x18, 0x20, -1, -1, -1, -1}; |
| 119 | static int dma_bits[] = {1, 2, 0, 3}; |
| 120 | int tmp, tmp1; |
| 121 | |
| 122 | if ((tmp = inb(port + 3)) == 0xff) |
| 123 | { |
| 124 | snd_printdd("I/O address dead (0x%lx)\n", port); |
| 125 | return 0; |
| 126 | } |
| 127 | #if 0 |
| 128 | snd_printdd("WSS signature = 0x%x\n", tmp); |
| 129 | #endif |
| 130 | |
| 131 | if ((tmp & 0x3f) != 0x04 && |
| 132 | (tmp & 0x3f) != 0x0f && |
| 133 | (tmp & 0x3f) != 0x00) { |
| 134 | snd_printdd("No WSS signature detected on port 0x%lx\n", |
| 135 | port + 3); |
| 136 | return 0; |
| 137 | } |
| 138 | |
| 139 | #if 0 |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 140 | snd_printdd(PFX "setting up IRQ/DMA for WSS\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | #endif |
| 142 | |
| 143 | /* initialize IRQ for WSS codec */ |
| 144 | tmp = interrupt_bits[irq % 16]; |
| 145 | if (tmp < 0) |
| 146 | return -EINVAL; |
| 147 | |
| 148 | if (request_irq(irq, snd_sgalaxy_dummy_interrupt, SA_INTERRUPT, "sgalaxy", NULL)) { |
| 149 | snd_printk(KERN_ERR "sgalaxy: can't grab irq %d\n", irq); |
| 150 | return -EIO; |
| 151 | } |
| 152 | |
| 153 | outb(tmp | 0x40, port); |
| 154 | tmp1 = dma_bits[dma % 4]; |
| 155 | outb(tmp | tmp1, port); |
| 156 | |
| 157 | free_irq(irq, NULL); |
| 158 | |
| 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | static int __init snd_sgalaxy_detect(int dev, int irq, int dma) |
| 163 | { |
| 164 | #if 0 |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 165 | snd_printdd(PFX "switching to WSS mode\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | #endif |
| 167 | |
| 168 | /* switch to WSS mode */ |
| 169 | snd_sgalaxy_sbdsp_reset(sbport[dev]); |
| 170 | |
| 171 | snd_sgalaxy_sbdsp_command(sbport[dev], 9); |
| 172 | snd_sgalaxy_sbdsp_command(sbport[dev], 0); |
| 173 | |
| 174 | udelay(400); |
| 175 | return snd_sgalaxy_setup_wss(wssport[dev], irq, dma); |
| 176 | } |
| 177 | |
| 178 | static struct ad1848_mix_elem snd_sgalaxy_controls[] = { |
| 179 | AD1848_DOUBLE("Aux Playback Switch", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 7, 7, 1, 1), |
| 180 | AD1848_DOUBLE("Aux Playback Volume", 0, SGALAXY_AUXC_LEFT, SGALAXY_AUXC_RIGHT, 0, 0, 31, 0) |
| 181 | }; |
| 182 | |
Takashi Iwai | 11ff5c6 | 2005-11-17 14:42:36 +0100 | [diff] [blame] | 183 | static int __init snd_sgalaxy_mixer(struct snd_ad1848 *chip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | { |
Takashi Iwai | 11ff5c6 | 2005-11-17 14:42:36 +0100 | [diff] [blame] | 185 | struct snd_card *card = chip->card; |
| 186 | struct snd_ctl_elem_id id1, id2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | unsigned int idx; |
| 188 | int err; |
| 189 | |
| 190 | memset(&id1, 0, sizeof(id1)); |
| 191 | memset(&id2, 0, sizeof(id2)); |
| 192 | id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
| 193 | /* reassign AUX0 to LINE */ |
| 194 | strcpy(id1.name, "Aux Playback Switch"); |
| 195 | strcpy(id2.name, "Line Playback Switch"); |
| 196 | if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) |
| 197 | return err; |
| 198 | strcpy(id1.name, "Aux Playback Volume"); |
| 199 | strcpy(id2.name, "Line Playback Volume"); |
| 200 | if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) |
| 201 | return err; |
| 202 | /* reassign AUX1 to FM */ |
| 203 | strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; |
| 204 | strcpy(id2.name, "FM Playback Switch"); |
| 205 | if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) |
| 206 | return err; |
| 207 | strcpy(id1.name, "Aux Playback Volume"); |
| 208 | strcpy(id2.name, "FM Playback Volume"); |
| 209 | if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) |
| 210 | return err; |
| 211 | /* build AUX2 input */ |
| 212 | for (idx = 0; idx < ARRAY_SIZE(snd_sgalaxy_controls); idx++) { |
| 213 | if ((err = snd_ad1848_add_ctl_elem(chip, &snd_sgalaxy_controls[idx])) < 0) |
| 214 | return err; |
| 215 | } |
| 216 | return 0; |
| 217 | } |
| 218 | |
| 219 | static int __init snd_sgalaxy_probe(int dev) |
| 220 | { |
| 221 | static int possible_irqs[] = {7, 9, 10, 11, -1}; |
| 222 | static int possible_dmas[] = {1, 3, 0, -1}; |
| 223 | int err, xirq, xdma1; |
Takashi Iwai | 11ff5c6 | 2005-11-17 14:42:36 +0100 | [diff] [blame] | 224 | struct snd_card *card; |
| 225 | struct snd_ad1848 *chip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | |
| 227 | if (sbport[dev] == SNDRV_AUTO_PORT) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 228 | snd_printk(KERN_ERR PFX "specify SB port\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | return -EINVAL; |
| 230 | } |
| 231 | if (wssport[dev] == SNDRV_AUTO_PORT) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 232 | snd_printk(KERN_ERR PFX "specify WSS port\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | return -EINVAL; |
| 234 | } |
| 235 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); |
| 236 | if (card == NULL) |
| 237 | return -ENOMEM; |
| 238 | |
| 239 | xirq = irq[dev]; |
| 240 | if (xirq == SNDRV_AUTO_IRQ) { |
| 241 | if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 242 | snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); |
| 243 | err = -EBUSY; |
| 244 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | } |
| 246 | } |
| 247 | xdma1 = dma1[dev]; |
| 248 | if (xdma1 == SNDRV_AUTO_DMA) { |
| 249 | if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 250 | snd_printk(KERN_ERR PFX "unable to find a free DMA\n"); |
| 251 | err = -EBUSY; |
| 252 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | } |
| 254 | } |
| 255 | |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 256 | if ((err = snd_sgalaxy_detect(dev, xirq, xdma1)) < 0) |
| 257 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | |
| 259 | if ((err = snd_ad1848_create(card, wssport[dev] + 4, |
| 260 | xirq, xdma1, |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 261 | AD1848_HW_DETECT, &chip)) < 0) |
| 262 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | |
| 264 | if ((err = snd_ad1848_pcm(chip, 0, NULL)) < 0) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 265 | snd_printdd(PFX "error creating new ad1848 PCM device\n"); |
| 266 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | } |
| 268 | if ((err = snd_ad1848_mixer(chip)) < 0) { |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 269 | snd_printdd(PFX "error creating new ad1848 mixer\n"); |
| 270 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | } |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 272 | if ((err = snd_sgalaxy_mixer(chip)) < 0) { |
| 273 | snd_printdd(PFX "the mixer rewrite failed\n"); |
| 274 | goto _err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | strcpy(card->driver, "Sound Galaxy"); |
| 278 | strcpy(card->shortname, "Sound Galaxy"); |
| 279 | sprintf(card->longname, "Sound Galaxy at 0x%lx, irq %d, dma %d", |
| 280 | wssport[dev], xirq, xdma1); |
| 281 | |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 282 | if ((err = snd_card_set_generic_dev(card)) < 0) |
| 283 | goto _err; |
| 284 | |
| 285 | if ((err = snd_card_register(card)) < 0) |
| 286 | goto _err; |
| 287 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | snd_sgalaxy_cards[dev] = card; |
| 289 | return 0; |
Takashi Iwai | 43bcd97 | 2005-09-05 17:19:20 +0200 | [diff] [blame] | 290 | |
| 291 | _err: |
| 292 | snd_card_free(card); |
| 293 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | static int __init alsa_card_sgalaxy_init(void) |
| 297 | { |
| 298 | int dev, cards; |
| 299 | |
| 300 | for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) { |
| 301 | if (snd_sgalaxy_probe(dev) >= 0) |
| 302 | cards++; |
| 303 | } |
| 304 | if (!cards) { |
| 305 | #ifdef MODULE |
| 306 | snd_printk(KERN_ERR "Sound Galaxy soundcard not found or device busy\n"); |
| 307 | #endif |
| 308 | return -ENODEV; |
| 309 | } |
| 310 | |
| 311 | return 0; |
| 312 | } |
| 313 | |
| 314 | static void __exit alsa_card_sgalaxy_exit(void) |
| 315 | { |
| 316 | int idx; |
| 317 | |
| 318 | for (idx = 0; idx < SNDRV_CARDS; idx++) |
| 319 | snd_card_free(snd_sgalaxy_cards[idx]); |
| 320 | } |
| 321 | |
| 322 | module_init(alsa_card_sgalaxy_init) |
| 323 | module_exit(alsa_card_sgalaxy_exit) |