Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 2 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz>, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Hannu Savolainen 1993-1996, |
| 4 | * Rob Hooft |
| 5 | * |
| 6 | * Routines for control of AdLib FM cards (OPL2/OPL3/OPL4 chips) |
| 7 | * |
| 8 | * Most if code is ported from OSS/Lite. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | #include <sound/opl3.h> |
| 27 | #include <asm/io.h> |
| 28 | #include <linux/delay.h> |
Paul Gortmaker | da155d5 | 2011-07-15 12:38:28 -0400 | [diff] [blame] | 29 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/init.h> |
| 31 | #include <linux/slab.h> |
| 32 | #include <linux/ioport.h> |
| 33 | #include <sound/minors.h> |
| 34 | |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 35 | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Hannu Savolainen 1993-1996, Rob Hooft"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | MODULE_DESCRIPTION("Routines for control of AdLib FM cards (OPL2/OPL3/OPL4 chips)"); |
| 37 | MODULE_LICENSE("GPL"); |
| 38 | |
| 39 | extern char snd_opl3_regmap[MAX_OPL2_VOICES][4]; |
| 40 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 41 | static void snd_opl2_command(struct snd_opl3 * opl3, unsigned short cmd, unsigned char val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | { |
| 43 | unsigned long flags; |
| 44 | unsigned long port; |
| 45 | |
| 46 | /* |
| 47 | * The original 2-OP synth requires a quite long delay |
| 48 | * after writing to a register. |
| 49 | */ |
| 50 | |
| 51 | port = (cmd & OPL3_RIGHT) ? opl3->r_port : opl3->l_port; |
| 52 | |
| 53 | spin_lock_irqsave(&opl3->reg_lock, flags); |
| 54 | |
| 55 | outb((unsigned char) cmd, port); |
| 56 | udelay(10); |
| 57 | |
| 58 | outb((unsigned char) val, port + 1); |
| 59 | udelay(30); |
| 60 | |
| 61 | spin_unlock_irqrestore(&opl3->reg_lock, flags); |
| 62 | } |
| 63 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 64 | static void snd_opl3_command(struct snd_opl3 * opl3, unsigned short cmd, unsigned char val) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | { |
| 66 | unsigned long flags; |
| 67 | unsigned long port; |
| 68 | |
| 69 | /* |
| 70 | * The OPL-3 survives with just two INBs |
| 71 | * after writing to a register. |
| 72 | */ |
| 73 | |
| 74 | port = (cmd & OPL3_RIGHT) ? opl3->r_port : opl3->l_port; |
| 75 | |
| 76 | spin_lock_irqsave(&opl3->reg_lock, flags); |
| 77 | |
| 78 | outb((unsigned char) cmd, port); |
| 79 | inb(opl3->l_port); |
| 80 | inb(opl3->l_port); |
| 81 | |
| 82 | outb((unsigned char) val, port + 1); |
| 83 | inb(opl3->l_port); |
| 84 | inb(opl3->l_port); |
| 85 | |
| 86 | spin_unlock_irqrestore(&opl3->reg_lock, flags); |
| 87 | } |
| 88 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 89 | static int snd_opl3_detect(struct snd_opl3 * opl3) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | { |
| 91 | /* |
| 92 | * This function returns 1 if the FM chip is present at the given I/O port |
| 93 | * The detection algorithm plays with the timer built in the FM chip and |
| 94 | * looks for a change in the status register. |
| 95 | * |
| 96 | * Note! The timers of the FM chip are not connected to AdLib (and compatible) |
| 97 | * boards. |
| 98 | * |
| 99 | * Note2! The chip is initialized if detected. |
| 100 | */ |
| 101 | |
| 102 | unsigned char stat1, stat2, signature; |
| 103 | |
| 104 | /* Reset timers 1 and 2 */ |
| 105 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER1_MASK | OPL3_TIMER2_MASK); |
| 106 | /* Reset the IRQ of the FM chip */ |
| 107 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_IRQ_RESET); |
| 108 | signature = stat1 = inb(opl3->l_port); /* Status register */ |
| 109 | if ((stat1 & 0xe0) != 0x00) { /* Should be 0x00 */ |
| 110 | snd_printd("OPL3: stat1 = 0x%x\n", stat1); |
| 111 | return -ENODEV; |
| 112 | } |
| 113 | /* Set timer1 to 0xff */ |
| 114 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER1, 0xff); |
| 115 | /* Unmask and start timer 1 */ |
| 116 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER2_MASK | OPL3_TIMER1_START); |
| 117 | /* Now we have to delay at least 80us */ |
| 118 | udelay(200); |
| 119 | /* Read status after timers have expired */ |
| 120 | stat2 = inb(opl3->l_port); |
| 121 | /* Stop the timers */ |
| 122 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER1_MASK | OPL3_TIMER2_MASK); |
| 123 | /* Reset the IRQ of the FM chip */ |
| 124 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_IRQ_RESET); |
| 125 | if ((stat2 & 0xe0) != 0xc0) { /* There is no YM3812 */ |
| 126 | snd_printd("OPL3: stat2 = 0x%x\n", stat2); |
| 127 | return -ENODEV; |
| 128 | } |
| 129 | |
| 130 | /* If the toplevel code knows exactly the type of chip, don't try |
| 131 | to detect it. */ |
| 132 | if (opl3->hardware != OPL3_HW_AUTO) |
| 133 | return 0; |
| 134 | |
| 135 | /* There is a FM chip on this address. Detect the type (OPL2 to OPL4) */ |
| 136 | if (signature == 0x06) { /* OPL2 */ |
| 137 | opl3->hardware = OPL3_HW_OPL2; |
| 138 | } else { |
| 139 | /* |
| 140 | * If we had an OPL4 chip, opl3->hardware would have been set |
| 141 | * by the OPL4 driver; so we can assume OPL3 here. |
| 142 | */ |
Takashi Iwai | 5e246b8 | 2008-08-08 17:12:47 +0200 | [diff] [blame] | 143 | if (snd_BUG_ON(!opl3->r_port)) |
| 144 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | opl3->hardware = OPL3_HW_OPL3; |
| 146 | } |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | /* |
| 151 | * AdLib timers |
| 152 | */ |
| 153 | |
| 154 | /* |
| 155 | * Timer 1 - 80us |
| 156 | */ |
| 157 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 158 | static int snd_opl3_timer1_start(struct snd_timer * timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | { |
| 160 | unsigned long flags; |
| 161 | unsigned char tmp; |
| 162 | unsigned int ticks; |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 163 | struct snd_opl3 *opl3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | |
| 165 | opl3 = snd_timer_chip(timer); |
| 166 | spin_lock_irqsave(&opl3->timer_lock, flags); |
| 167 | ticks = timer->sticks; |
| 168 | tmp = (opl3->timer_enable | OPL3_TIMER1_START) & ~OPL3_TIMER1_MASK; |
| 169 | opl3->timer_enable = tmp; |
| 170 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER1, 256 - ticks); /* timer 1 count */ |
| 171 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* enable timer 1 IRQ */ |
| 172 | spin_unlock_irqrestore(&opl3->timer_lock, flags); |
| 173 | return 0; |
| 174 | } |
| 175 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 176 | static int snd_opl3_timer1_stop(struct snd_timer * timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | { |
| 178 | unsigned long flags; |
| 179 | unsigned char tmp; |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 180 | struct snd_opl3 *opl3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | |
| 182 | opl3 = snd_timer_chip(timer); |
| 183 | spin_lock_irqsave(&opl3->timer_lock, flags); |
| 184 | tmp = (opl3->timer_enable | OPL3_TIMER1_MASK) & ~OPL3_TIMER1_START; |
| 185 | opl3->timer_enable = tmp; |
| 186 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* disable timer #1 */ |
| 187 | spin_unlock_irqrestore(&opl3->timer_lock, flags); |
| 188 | return 0; |
| 189 | } |
| 190 | |
| 191 | /* |
| 192 | * Timer 2 - 320us |
| 193 | */ |
| 194 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 195 | static int snd_opl3_timer2_start(struct snd_timer * timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | { |
| 197 | unsigned long flags; |
| 198 | unsigned char tmp; |
| 199 | unsigned int ticks; |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 200 | struct snd_opl3 *opl3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | |
| 202 | opl3 = snd_timer_chip(timer); |
| 203 | spin_lock_irqsave(&opl3->timer_lock, flags); |
| 204 | ticks = timer->sticks; |
| 205 | tmp = (opl3->timer_enable | OPL3_TIMER2_START) & ~OPL3_TIMER2_MASK; |
| 206 | opl3->timer_enable = tmp; |
| 207 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER2, 256 - ticks); /* timer 1 count */ |
| 208 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* enable timer 1 IRQ */ |
| 209 | spin_unlock_irqrestore(&opl3->timer_lock, flags); |
| 210 | return 0; |
| 211 | } |
| 212 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 213 | static int snd_opl3_timer2_stop(struct snd_timer * timer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | { |
| 215 | unsigned long flags; |
| 216 | unsigned char tmp; |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 217 | struct snd_opl3 *opl3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | |
| 219 | opl3 = snd_timer_chip(timer); |
| 220 | spin_lock_irqsave(&opl3->timer_lock, flags); |
| 221 | tmp = (opl3->timer_enable | OPL3_TIMER2_MASK) & ~OPL3_TIMER2_START; |
| 222 | opl3->timer_enable = tmp; |
| 223 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* disable timer #1 */ |
| 224 | spin_unlock_irqrestore(&opl3->timer_lock, flags); |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | /* |
| 229 | |
| 230 | */ |
| 231 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 232 | static struct snd_timer_hardware snd_opl3_timer1 = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | { |
| 234 | .flags = SNDRV_TIMER_HW_STOP, |
| 235 | .resolution = 80000, |
| 236 | .ticks = 256, |
| 237 | .start = snd_opl3_timer1_start, |
| 238 | .stop = snd_opl3_timer1_stop, |
| 239 | }; |
| 240 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 241 | static struct snd_timer_hardware snd_opl3_timer2 = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | { |
| 243 | .flags = SNDRV_TIMER_HW_STOP, |
| 244 | .resolution = 320000, |
| 245 | .ticks = 256, |
| 246 | .start = snd_opl3_timer2_start, |
| 247 | .stop = snd_opl3_timer2_stop, |
| 248 | }; |
| 249 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 250 | static int snd_opl3_timer1_init(struct snd_opl3 * opl3, int timer_no) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | { |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 252 | struct snd_timer *timer = NULL; |
| 253 | struct snd_timer_id tid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | int err; |
| 255 | |
| 256 | tid.dev_class = SNDRV_TIMER_CLASS_CARD; |
| 257 | tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; |
| 258 | tid.card = opl3->card->number; |
| 259 | tid.device = timer_no; |
| 260 | tid.subdevice = 0; |
| 261 | if ((err = snd_timer_new(opl3->card, "AdLib timer #1", &tid, &timer)) >= 0) { |
| 262 | strcpy(timer->name, "AdLib timer #1"); |
| 263 | timer->private_data = opl3; |
| 264 | timer->hw = snd_opl3_timer1; |
| 265 | } |
| 266 | opl3->timer1 = timer; |
| 267 | return err; |
| 268 | } |
| 269 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 270 | static int snd_opl3_timer2_init(struct snd_opl3 * opl3, int timer_no) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | { |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 272 | struct snd_timer *timer = NULL; |
| 273 | struct snd_timer_id tid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | int err; |
| 275 | |
| 276 | tid.dev_class = SNDRV_TIMER_CLASS_CARD; |
| 277 | tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; |
| 278 | tid.card = opl3->card->number; |
| 279 | tid.device = timer_no; |
| 280 | tid.subdevice = 0; |
| 281 | if ((err = snd_timer_new(opl3->card, "AdLib timer #2", &tid, &timer)) >= 0) { |
| 282 | strcpy(timer->name, "AdLib timer #2"); |
| 283 | timer->private_data = opl3; |
| 284 | timer->hw = snd_opl3_timer2; |
| 285 | } |
| 286 | opl3->timer2 = timer; |
| 287 | return err; |
| 288 | } |
| 289 | |
| 290 | /* |
| 291 | |
| 292 | */ |
| 293 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 294 | void snd_opl3_interrupt(struct snd_hwdep * hw) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | { |
| 296 | unsigned char status; |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 297 | struct snd_opl3 *opl3; |
| 298 | struct snd_timer *timer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | |
| 300 | if (hw == NULL) |
| 301 | return; |
| 302 | |
| 303 | opl3 = hw->private_data; |
| 304 | status = inb(opl3->l_port); |
| 305 | #if 0 |
Takashi Iwai | 4520383 | 2009-02-05 15:51:50 +0100 | [diff] [blame] | 306 | snd_printk(KERN_DEBUG "AdLib IRQ status = 0x%x\n", status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | #endif |
| 308 | if (!(status & 0x80)) |
| 309 | return; |
| 310 | |
| 311 | if (status & 0x40) { |
| 312 | timer = opl3->timer1; |
| 313 | snd_timer_interrupt(timer, timer->sticks); |
| 314 | } |
| 315 | if (status & 0x20) { |
| 316 | timer = opl3->timer2; |
| 317 | snd_timer_interrupt(timer, timer->sticks); |
| 318 | } |
| 319 | } |
| 320 | |
Takashi Iwai | ac19e19 | 2006-04-28 15:13:39 +0200 | [diff] [blame] | 321 | EXPORT_SYMBOL(snd_opl3_interrupt); |
| 322 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | /* |
| 324 | |
| 325 | */ |
| 326 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 327 | static int snd_opl3_free(struct snd_opl3 *opl3) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | { |
Takashi Iwai | 5e246b8 | 2008-08-08 17:12:47 +0200 | [diff] [blame] | 329 | if (snd_BUG_ON(!opl3)) |
| 330 | return -ENXIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | if (opl3->private_free) |
| 332 | opl3->private_free(opl3); |
Takashi Iwai | 224a033 | 2007-10-30 11:49:22 +0100 | [diff] [blame] | 333 | snd_opl3_clear_patches(opl3); |
Takashi Iwai | b1d5776 | 2005-10-10 11:56:31 +0200 | [diff] [blame] | 334 | release_and_free_resource(opl3->res_l_port); |
| 335 | release_and_free_resource(opl3->res_r_port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | kfree(opl3); |
| 337 | return 0; |
| 338 | } |
| 339 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 340 | static int snd_opl3_dev_free(struct snd_device *device) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | { |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 342 | struct snd_opl3 *opl3 = device->device_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | return snd_opl3_free(opl3); |
| 344 | } |
| 345 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 346 | int snd_opl3_new(struct snd_card *card, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | unsigned short hardware, |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 348 | struct snd_opl3 **ropl3) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | { |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 350 | static struct snd_device_ops ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | .dev_free = snd_opl3_dev_free, |
| 352 | }; |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 353 | struct snd_opl3 *opl3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | int err; |
| 355 | |
| 356 | *ropl3 = NULL; |
Takashi Iwai | 561b220 | 2005-09-09 14:22:34 +0200 | [diff] [blame] | 357 | opl3 = kzalloc(sizeof(*opl3), GFP_KERNEL); |
Takashi Iwai | 73e77ba | 2005-11-17 17:44:01 +0100 | [diff] [blame] | 358 | if (opl3 == NULL) { |
| 359 | snd_printk(KERN_ERR "opl3: cannot allocate\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | return -ENOMEM; |
Takashi Iwai | 73e77ba | 2005-11-17 17:44:01 +0100 | [diff] [blame] | 361 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | |
| 363 | opl3->card = card; |
| 364 | opl3->hardware = hardware; |
| 365 | spin_lock_init(&opl3->reg_lock); |
| 366 | spin_lock_init(&opl3->timer_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | |
| 368 | if ((err = snd_device_new(card, SNDRV_DEV_CODEC, opl3, &ops)) < 0) { |
| 369 | snd_opl3_free(opl3); |
| 370 | return err; |
| 371 | } |
| 372 | |
| 373 | *ropl3 = opl3; |
| 374 | return 0; |
| 375 | } |
| 376 | |
Takashi Iwai | ac19e19 | 2006-04-28 15:13:39 +0200 | [diff] [blame] | 377 | EXPORT_SYMBOL(snd_opl3_new); |
| 378 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 379 | int snd_opl3_init(struct snd_opl3 *opl3) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | { |
| 381 | if (! opl3->command) { |
| 382 | printk(KERN_ERR "snd_opl3_init: command not defined!\n"); |
| 383 | return -EINVAL; |
| 384 | } |
| 385 | |
| 386 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_TEST, OPL3_ENABLE_WAVE_SELECT); |
| 387 | /* Melodic mode */ |
| 388 | opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION, 0x00); |
| 389 | |
| 390 | switch (opl3->hardware & OPL3_HW_MASK) { |
| 391 | case OPL3_HW_OPL2: |
| 392 | opl3->max_voices = MAX_OPL2_VOICES; |
| 393 | break; |
| 394 | case OPL3_HW_OPL3: |
| 395 | case OPL3_HW_OPL4: |
| 396 | opl3->max_voices = MAX_OPL3_VOICES; |
| 397 | /* Enter OPL3 mode */ |
| 398 | opl3->command(opl3, OPL3_RIGHT | OPL3_REG_MODE, OPL3_OPL3_ENABLE); |
| 399 | } |
| 400 | return 0; |
| 401 | } |
| 402 | |
Takashi Iwai | ac19e19 | 2006-04-28 15:13:39 +0200 | [diff] [blame] | 403 | EXPORT_SYMBOL(snd_opl3_init); |
| 404 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 405 | int snd_opl3_create(struct snd_card *card, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | unsigned long l_port, |
| 407 | unsigned long r_port, |
| 408 | unsigned short hardware, |
| 409 | int integrated, |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 410 | struct snd_opl3 ** ropl3) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | { |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 412 | struct snd_opl3 *opl3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | int err; |
| 414 | |
| 415 | *ropl3 = NULL; |
| 416 | if ((err = snd_opl3_new(card, hardware, &opl3)) < 0) |
| 417 | return err; |
| 418 | if (! integrated) { |
| 419 | if ((opl3->res_l_port = request_region(l_port, 2, "OPL2/3 (left)")) == NULL) { |
| 420 | snd_printk(KERN_ERR "opl3: can't grab left port 0x%lx\n", l_port); |
Takashi Iwai | 676338a | 2006-01-03 19:56:55 +0100 | [diff] [blame] | 421 | snd_device_free(card, opl3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | return -EBUSY; |
| 423 | } |
| 424 | if (r_port != 0 && |
| 425 | (opl3->res_r_port = request_region(r_port, 2, "OPL2/3 (right)")) == NULL) { |
| 426 | snd_printk(KERN_ERR "opl3: can't grab right port 0x%lx\n", r_port); |
Takashi Iwai | 676338a | 2006-01-03 19:56:55 +0100 | [diff] [blame] | 427 | snd_device_free(card, opl3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | return -EBUSY; |
| 429 | } |
| 430 | } |
| 431 | opl3->l_port = l_port; |
| 432 | opl3->r_port = r_port; |
| 433 | |
| 434 | switch (opl3->hardware) { |
| 435 | /* some hardware doesn't support timers */ |
| 436 | case OPL3_HW_OPL3_SV: |
| 437 | case OPL3_HW_OPL3_CS: |
| 438 | case OPL3_HW_OPL3_FM801: |
| 439 | opl3->command = &snd_opl3_command; |
| 440 | break; |
| 441 | default: |
| 442 | opl3->command = &snd_opl2_command; |
| 443 | if ((err = snd_opl3_detect(opl3)) < 0) { |
| 444 | snd_printd("OPL2/3 chip not detected at 0x%lx/0x%lx\n", |
| 445 | opl3->l_port, opl3->r_port); |
Takashi Iwai | 676338a | 2006-01-03 19:56:55 +0100 | [diff] [blame] | 446 | snd_device_free(card, opl3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | return err; |
| 448 | } |
| 449 | /* detect routine returns correct hardware type */ |
| 450 | switch (opl3->hardware & OPL3_HW_MASK) { |
| 451 | case OPL3_HW_OPL3: |
| 452 | case OPL3_HW_OPL4: |
| 453 | opl3->command = &snd_opl3_command; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | snd_opl3_init(opl3); |
| 458 | |
| 459 | *ropl3 = opl3; |
| 460 | return 0; |
| 461 | } |
| 462 | |
Takashi Iwai | ac19e19 | 2006-04-28 15:13:39 +0200 | [diff] [blame] | 463 | EXPORT_SYMBOL(snd_opl3_create); |
| 464 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 465 | int snd_opl3_timer_new(struct snd_opl3 * opl3, int timer1_dev, int timer2_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | { |
| 467 | int err; |
| 468 | |
| 469 | if (timer1_dev >= 0) |
| 470 | if ((err = snd_opl3_timer1_init(opl3, timer1_dev)) < 0) |
| 471 | return err; |
| 472 | if (timer2_dev >= 0) { |
| 473 | if ((err = snd_opl3_timer2_init(opl3, timer2_dev)) < 0) { |
| 474 | snd_device_free(opl3->card, opl3->timer1); |
| 475 | opl3->timer1 = NULL; |
| 476 | return err; |
| 477 | } |
| 478 | } |
| 479 | return 0; |
| 480 | } |
| 481 | |
Takashi Iwai | ac19e19 | 2006-04-28 15:13:39 +0200 | [diff] [blame] | 482 | EXPORT_SYMBOL(snd_opl3_timer_new); |
| 483 | |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 484 | int snd_opl3_hwdep_new(struct snd_opl3 * opl3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | int device, int seq_device, |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 486 | struct snd_hwdep ** rhwdep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | { |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 488 | struct snd_hwdep *hw; |
| 489 | struct snd_card *card = opl3->card; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | int err; |
| 491 | |
| 492 | if (rhwdep) |
| 493 | *rhwdep = NULL; |
| 494 | |
| 495 | /* create hardware dependent device (direct FM) */ |
| 496 | |
| 497 | if ((err = snd_hwdep_new(card, "OPL2/OPL3", device, &hw)) < 0) { |
| 498 | snd_device_free(card, opl3); |
| 499 | return err; |
| 500 | } |
| 501 | hw->private_data = opl3; |
Takashi Iwai | 05c1afe | 2007-10-30 11:59:15 +0100 | [diff] [blame] | 502 | hw->exclusive = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | #ifdef CONFIG_SND_OSSEMUL |
Takashi Iwai | 80d7d77 | 2014-02-04 13:51:45 +0100 | [diff] [blame^] | 504 | if (device == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | hw->oss_type = SNDRV_OSS_DEVICE_TYPE_DMFM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | #endif |
| 507 | strcpy(hw->name, hw->id); |
| 508 | switch (opl3->hardware & OPL3_HW_MASK) { |
| 509 | case OPL3_HW_OPL2: |
| 510 | strcpy(hw->name, "OPL2 FM"); |
| 511 | hw->iface = SNDRV_HWDEP_IFACE_OPL2; |
| 512 | break; |
| 513 | case OPL3_HW_OPL3: |
| 514 | strcpy(hw->name, "OPL3 FM"); |
| 515 | hw->iface = SNDRV_HWDEP_IFACE_OPL3; |
| 516 | break; |
| 517 | case OPL3_HW_OPL4: |
| 518 | strcpy(hw->name, "OPL4 FM"); |
| 519 | hw->iface = SNDRV_HWDEP_IFACE_OPL4; |
| 520 | break; |
| 521 | } |
| 522 | |
| 523 | /* operators - only ioctl */ |
| 524 | hw->ops.open = snd_opl3_open; |
| 525 | hw->ops.ioctl = snd_opl3_ioctl; |
Takashi Iwai | 224a033 | 2007-10-30 11:49:22 +0100 | [diff] [blame] | 526 | hw->ops.write = snd_opl3_write; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | hw->ops.release = snd_opl3_release; |
| 528 | |
Takashi Iwai | 0457652 | 2007-10-30 12:43:40 +0100 | [diff] [blame] | 529 | opl3->hwdep = hw; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | opl3->seq_dev_num = seq_device; |
| 531 | #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE)) |
| 532 | if (snd_seq_device_new(card, seq_device, SNDRV_SEQ_DEV_ID_OPL3, |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 533 | sizeof(struct snd_opl3 *), &opl3->seq_dev) >= 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | strcpy(opl3->seq_dev->name, hw->name); |
Takashi Iwai | 5b1646a | 2005-11-17 14:13:14 +0100 | [diff] [blame] | 535 | *(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(opl3->seq_dev) = opl3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | } |
| 537 | #endif |
| 538 | if (rhwdep) |
| 539 | *rhwdep = hw; |
| 540 | return 0; |
| 541 | } |
| 542 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | EXPORT_SYMBOL(snd_opl3_hwdep_new); |
| 544 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | /* |
| 546 | * INIT part |
| 547 | */ |
| 548 | |
| 549 | static int __init alsa_opl3_init(void) |
| 550 | { |
| 551 | return 0; |
| 552 | } |
| 553 | |
| 554 | static void __exit alsa_opl3_exit(void) |
| 555 | { |
| 556 | } |
| 557 | |
| 558 | module_init(alsa_opl3_init) |
| 559 | module_exit(alsa_opl3_exit) |