Lines Matching +full:card +full:- +full:detect +full:- +full:delay
1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Hannu Savolainen 1993-1996,
14 #include <linux/delay.h>
22 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Hannu Savolainen 1993-1996, Rob Hooft");
32 * The original 2-OP synth requires a quite long delay in snd_opl2_command()
36 port = (cmd & OPL3_RIGHT) ? opl3->r_port : opl3->l_port; in snd_opl2_command()
38 spin_lock_irqsave(&opl3->reg_lock, flags); in snd_opl2_command()
46 spin_unlock_irqrestore(&opl3->reg_lock, flags); in snd_opl2_command()
55 * The OPL-3 survives with just two INBs in snd_opl3_command()
59 port = (cmd & OPL3_RIGHT) ? opl3->r_port : opl3->l_port; in snd_opl3_command()
61 spin_lock_irqsave(&opl3->reg_lock, flags); in snd_opl3_command()
64 inb(opl3->l_port); in snd_opl3_command()
65 inb(opl3->l_port); in snd_opl3_command()
68 inb(opl3->l_port); in snd_opl3_command()
69 inb(opl3->l_port); in snd_opl3_command()
71 spin_unlock_irqrestore(&opl3->reg_lock, flags); in snd_opl3_command()
90 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER1_MASK | OPL3_TIMER2_MASK); in snd_opl3_detect()
92 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_IRQ_RESET); in snd_opl3_detect()
93 signature = stat1 = inb(opl3->l_port); /* Status register */ in snd_opl3_detect()
95 dev_dbg(opl3->card->dev, "OPL3: stat1 = 0x%x\n", stat1); in snd_opl3_detect()
96 return -ENODEV; in snd_opl3_detect()
99 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER1, 0xff); in snd_opl3_detect()
101 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER2_MASK | OPL3_TIMER1_START); in snd_opl3_detect()
102 /* Now we have to delay at least 80us */ in snd_opl3_detect()
105 stat2 = inb(opl3->l_port); in snd_opl3_detect()
107 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_TIMER1_MASK | OPL3_TIMER2_MASK); in snd_opl3_detect()
109 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, OPL3_IRQ_RESET); in snd_opl3_detect()
111 dev_dbg(opl3->card->dev, "OPL3: stat2 = 0x%x\n", stat2); in snd_opl3_detect()
112 return -ENODEV; in snd_opl3_detect()
116 to detect it. */ in snd_opl3_detect()
117 if (opl3->hardware != OPL3_HW_AUTO) in snd_opl3_detect()
120 /* There is a FM chip on this address. Detect the type (OPL2 to OPL4) */ in snd_opl3_detect()
122 opl3->hardware = OPL3_HW_OPL2; in snd_opl3_detect()
125 * If we had an OPL4 chip, opl3->hardware would have been set in snd_opl3_detect()
128 if (snd_BUG_ON(!opl3->r_port)) in snd_opl3_detect()
129 return -ENODEV; in snd_opl3_detect()
130 opl3->hardware = OPL3_HW_OPL3; in snd_opl3_detect()
140 * Timer 1 - 80us
151 spin_lock_irqsave(&opl3->timer_lock, flags); in snd_opl3_timer1_start()
152 ticks = timer->sticks; in snd_opl3_timer1_start()
153 tmp = (opl3->timer_enable | OPL3_TIMER1_START) & ~OPL3_TIMER1_MASK; in snd_opl3_timer1_start()
154 opl3->timer_enable = tmp; in snd_opl3_timer1_start()
155 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER1, 256 - ticks); /* timer 1 count */ in snd_opl3_timer1_start()
156 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* enable timer 1 IRQ */ in snd_opl3_timer1_start()
157 spin_unlock_irqrestore(&opl3->timer_lock, flags); in snd_opl3_timer1_start()
168 spin_lock_irqsave(&opl3->timer_lock, flags); in snd_opl3_timer1_stop()
169 tmp = (opl3->timer_enable | OPL3_TIMER1_MASK) & ~OPL3_TIMER1_START; in snd_opl3_timer1_stop()
170 opl3->timer_enable = tmp; in snd_opl3_timer1_stop()
171 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* disable timer #1 */ in snd_opl3_timer1_stop()
172 spin_unlock_irqrestore(&opl3->timer_lock, flags); in snd_opl3_timer1_stop()
177 * Timer 2 - 320us
188 spin_lock_irqsave(&opl3->timer_lock, flags); in snd_opl3_timer2_start()
189 ticks = timer->sticks; in snd_opl3_timer2_start()
190 tmp = (opl3->timer_enable | OPL3_TIMER2_START) & ~OPL3_TIMER2_MASK; in snd_opl3_timer2_start()
191 opl3->timer_enable = tmp; in snd_opl3_timer2_start()
192 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER2, 256 - ticks); /* timer 1 count */ in snd_opl3_timer2_start()
193 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* enable timer 1 IRQ */ in snd_opl3_timer2_start()
194 spin_unlock_irqrestore(&opl3->timer_lock, flags); in snd_opl3_timer2_start()
205 spin_lock_irqsave(&opl3->timer_lock, flags); in snd_opl3_timer2_stop()
206 tmp = (opl3->timer_enable | OPL3_TIMER2_MASK) & ~OPL3_TIMER2_START; in snd_opl3_timer2_stop()
207 opl3->timer_enable = tmp; in snd_opl3_timer2_stop()
208 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TIMER_CONTROL, tmp); /* disable timer #1 */ in snd_opl3_timer2_stop()
209 spin_unlock_irqrestore(&opl3->timer_lock, flags); in snd_opl3_timer2_stop()
243 tid.card = opl3->card->number; in snd_opl3_timer1_init()
246 err = snd_timer_new(opl3->card, "AdLib timer #1", &tid, &timer); in snd_opl3_timer1_init()
248 strcpy(timer->name, "AdLib timer #1"); in snd_opl3_timer1_init()
249 timer->private_data = opl3; in snd_opl3_timer1_init()
250 timer->hw = snd_opl3_timer1; in snd_opl3_timer1_init()
252 opl3->timer1 = timer; in snd_opl3_timer1_init()
264 tid.card = opl3->card->number; in snd_opl3_timer2_init()
267 err = snd_timer_new(opl3->card, "AdLib timer #2", &tid, &timer); in snd_opl3_timer2_init()
269 strcpy(timer->name, "AdLib timer #2"); in snd_opl3_timer2_init()
270 timer->private_data = opl3; in snd_opl3_timer2_init()
271 timer->hw = snd_opl3_timer2; in snd_opl3_timer2_init()
273 opl3->timer2 = timer; in snd_opl3_timer2_init()
290 opl3 = hw->private_data; in snd_opl3_interrupt()
291 status = inb(opl3->l_port); in snd_opl3_interrupt()
296 timer = opl3->timer1; in snd_opl3_interrupt()
297 snd_timer_interrupt(timer, timer->sticks); in snd_opl3_interrupt()
300 timer = opl3->timer2; in snd_opl3_interrupt()
301 snd_timer_interrupt(timer, timer->sticks); in snd_opl3_interrupt()
314 return -ENXIO; in snd_opl3_free()
315 if (opl3->private_free) in snd_opl3_free()
316 opl3->private_free(opl3); in snd_opl3_free()
318 release_and_free_resource(opl3->res_l_port); in snd_opl3_free()
319 release_and_free_resource(opl3->res_r_port); in snd_opl3_free()
326 struct snd_opl3 *opl3 = device->device_data; in snd_opl3_dev_free()
330 int snd_opl3_new(struct snd_card *card, in snd_opl3_new() argument
343 return -ENOMEM; in snd_opl3_new()
345 opl3->card = card; in snd_opl3_new()
346 opl3->hardware = hardware; in snd_opl3_new()
347 spin_lock_init(&opl3->reg_lock); in snd_opl3_new()
348 spin_lock_init(&opl3->timer_lock); in snd_opl3_new()
350 err = snd_device_new(card, SNDRV_DEV_CODEC, opl3, &ops); in snd_opl3_new()
364 if (! opl3->command) { in snd_opl3_init()
365 dev_err(opl3->card->dev, in snd_opl3_init()
367 return -EINVAL; in snd_opl3_init()
370 opl3->command(opl3, OPL3_LEFT | OPL3_REG_TEST, OPL3_ENABLE_WAVE_SELECT); in snd_opl3_init()
372 opl3->command(opl3, OPL3_LEFT | OPL3_REG_PERCUSSION, 0x00); in snd_opl3_init()
374 switch (opl3->hardware & OPL3_HW_MASK) { in snd_opl3_init()
376 opl3->max_voices = MAX_OPL2_VOICES; in snd_opl3_init()
380 opl3->max_voices = MAX_OPL3_VOICES; in snd_opl3_init()
382 opl3->command(opl3, OPL3_RIGHT | OPL3_REG_MODE, OPL3_OPL3_ENABLE); in snd_opl3_init()
389 int snd_opl3_create(struct snd_card *card, in snd_opl3_create() argument
400 err = snd_opl3_new(card, hardware, &opl3); in snd_opl3_create()
404 opl3->res_l_port = request_region(l_port, 2, "OPL2/3 (left)"); in snd_opl3_create()
405 if (!opl3->res_l_port) { in snd_opl3_create()
406 dev_err(card->dev, "opl3: can't grab left port 0x%lx\n", l_port); in snd_opl3_create()
407 snd_device_free(card, opl3); in snd_opl3_create()
408 return -EBUSY; in snd_opl3_create()
411 opl3->res_r_port = request_region(r_port, 2, "OPL2/3 (right)"); in snd_opl3_create()
412 if (!opl3->res_r_port) { in snd_opl3_create()
413 dev_err(card->dev, "opl3: can't grab right port 0x%lx\n", r_port); in snd_opl3_create()
414 snd_device_free(card, opl3); in snd_opl3_create()
415 return -EBUSY; in snd_opl3_create()
419 opl3->l_port = l_port; in snd_opl3_create()
420 opl3->r_port = r_port; in snd_opl3_create()
422 switch (opl3->hardware) { in snd_opl3_create()
427 opl3->command = &snd_opl3_command; in snd_opl3_create()
430 opl3->command = &snd_opl2_command; in snd_opl3_create()
433 dev_dbg(card->dev, "OPL2/3 chip not detected at 0x%lx/0x%lx\n", in snd_opl3_create()
434 opl3->l_port, opl3->r_port); in snd_opl3_create()
435 snd_device_free(card, opl3); in snd_opl3_create()
438 /* detect routine returns correct hardware type */ in snd_opl3_create()
439 switch (opl3->hardware & OPL3_HW_MASK) { in snd_opl3_create()
442 opl3->command = &snd_opl3_command; in snd_opl3_create()
466 snd_device_free(opl3->card, opl3->timer1); in snd_opl3_timer_new()
467 opl3->timer1 = NULL; in snd_opl3_timer_new()
481 struct snd_card *card = opl3->card; in snd_opl3_hwdep_new() local
489 err = snd_hwdep_new(card, "OPL2/OPL3", device, &hw); in snd_opl3_hwdep_new()
491 snd_device_free(card, opl3); in snd_opl3_hwdep_new()
494 hw->private_data = opl3; in snd_opl3_hwdep_new()
495 hw->exclusive = 1; in snd_opl3_hwdep_new()
498 hw->oss_type = SNDRV_OSS_DEVICE_TYPE_DMFM; in snd_opl3_hwdep_new()
500 strcpy(hw->name, hw->id); in snd_opl3_hwdep_new()
501 switch (opl3->hardware & OPL3_HW_MASK) { in snd_opl3_hwdep_new()
503 strcpy(hw->name, "OPL2 FM"); in snd_opl3_hwdep_new()
504 hw->iface = SNDRV_HWDEP_IFACE_OPL2; in snd_opl3_hwdep_new()
507 strcpy(hw->name, "OPL3 FM"); in snd_opl3_hwdep_new()
508 hw->iface = SNDRV_HWDEP_IFACE_OPL3; in snd_opl3_hwdep_new()
511 strcpy(hw->name, "OPL4 FM"); in snd_opl3_hwdep_new()
512 hw->iface = SNDRV_HWDEP_IFACE_OPL4; in snd_opl3_hwdep_new()
516 /* operators - only ioctl */ in snd_opl3_hwdep_new()
517 hw->ops.open = snd_opl3_open; in snd_opl3_hwdep_new()
518 hw->ops.ioctl = snd_opl3_ioctl; in snd_opl3_hwdep_new()
519 hw->ops.write = snd_opl3_write; in snd_opl3_hwdep_new()
520 hw->ops.release = snd_opl3_release; in snd_opl3_hwdep_new()
522 opl3->hwdep = hw; in snd_opl3_hwdep_new()
523 opl3->seq_dev_num = seq_device; in snd_opl3_hwdep_new()
525 if (snd_seq_device_new(card, seq_device, SNDRV_SEQ_DEV_ID_OPL3, in snd_opl3_hwdep_new()
526 sizeof(struct snd_opl3 *), &opl3->seq_dev) >= 0) { in snd_opl3_hwdep_new()
527 strcpy(opl3->seq_dev->name, hw->name); in snd_opl3_hwdep_new()
528 *(struct snd_opl3 **)SNDRV_SEQ_DEVICE_ARGPTR(opl3->seq_dev) = opl3; in snd_opl3_hwdep_new()