Lines Matching +full:lock +full:- +full:detect +full:- +full:function +full:- +full:integer +full:- +full:n +full:- +full:enable
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Low-level ALSA driver for the ENSONIQ SoundScape
71 MODULE_PARM_DESC(joystick, "Enable gameport.");
125 MEDIA_FX, /* Sequoia S-1000 */
126 SSCAPE, /* Sequoia S-2000 */
132 spinlock_t lock; member
143 #define INVALID_IRQ ((unsigned)-1)
148 return (struct soundscape *) (c->private_data); in get_card_soundscape()
162 s->chip->card->dev, in get_dmabuf()
165 "%lu bytes for DMA\n", in get_dmabuf()
175 * Release the DMA-able kernel memory ...
179 if (buf && buf->area) in free_dmabuf()
184 * This function writes to the SoundScape's control registers,
186 * This is why this function is "unsafe" ...
204 spin_lock_irqsave(&s->lock, flags); in sscape_write()
205 sscape_write_unsafe(s->io_base, reg, val); in sscape_write()
206 spin_unlock_irqrestore(&s->lock, flags); in sscape_write()
211 * locking to the caller. This is why the function is "unsafe" ...
237 * Read the SoundScape's host-mode control register, but leave
242 int data = -1; in host_read_unsafe()
250 * Read the SoundScape's host-mode control register, performing
251 * a limited amount of busy-waiting if the register isn't ready.
252 * Also leaves all locking-issues to the caller ...
260 --timeout; in host_read_ctrl_unsafe()
267 * Write to the SoundScape's host-mode control registers, but
281 * Write to the SoundScape's host-mode control registers, performing
282 * a limited amount of busy-waiting if the register isn't ready.
283 * Also leaves all locking-issues to the caller ...
292 --timeout; in host_write_ctrl_unsafe()
311 * This is apparently the standard way to initialise an MPU-401
343 * Wait for a DMA transfer to complete. This is a "limited busy-wait",
351 --timeout; in sscape_wait_dma_unsafe()
358 * Wait for the On-Board Processor to return its start-up
360 * us to perform "busy-waiting", and so we must sleep.
362 * spinlocks when we call this function.
372 spin_lock_irqsave(&s->lock, flags); in obp_startup_ack()
373 x = host_read_unsafe(s->io_base); in obp_startup_ack()
374 spin_unlock_irqrestore(&s->lock, flags); in obp_startup_ack()
385 * Wait for the host to return its start-up acknowledgement
387 * "busy-waiting", and so we must sleep. This in turn means
389 * this function.
399 spin_lock_irqsave(&s->lock, flags); in host_startup_ack()
400 x = host_read_unsafe(s->io_base); in host_startup_ack()
401 spin_unlock_irqrestore(&s->lock, flags); in host_startup_ack()
412 * Upload a byte-stream into the SoundScape using DMA channel A.
423 return -ENOMEM; in upload_dma_data()
425 spin_lock_irqsave(&s->lock, flags); in upload_dma_data()
430 val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG); in upload_dma_data()
431 sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val & 0x3f); in upload_dma_data()
434 * Enable the DMA channels and configure them ... in upload_dma_data()
436 val = (s->chip->dma1 << 4) | DMA_8BIT; in upload_dma_data()
437 sscape_write_unsafe(s->io_base, GA_DMAA_REG, val); in upload_dma_data()
438 sscape_write_unsafe(s->io_base, GA_DMAB_REG, 0x20); in upload_dma_data()
443 val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG); in upload_dma_data()
444 sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val | 0x80); in upload_dma_data()
456 size -= len; in upload_dma_data()
458 snd_dma_program(s->chip->dma1, dma.addr, len, DMA_MODE_WRITE); in upload_dma_data()
459 sscape_start_dma_unsafe(s->io_base, GA_DMAA_REG); in upload_dma_data()
460 if (!sscape_wait_dma_unsafe(s->io_base, GA_DMAA_REG, 5000)) { in upload_dma_data()
464 spin_unlock_irqrestore(&s->lock, flags); in upload_dma_data()
467 "sscape: DMA upload has timed out\n"); in upload_dma_data()
468 ret = -EAGAIN; in upload_dma_data()
473 set_host_mode_unsafe(s->io_base); in upload_dma_data()
474 outb(0x0, s->io_base); in upload_dma_data()
479 val = sscape_read_unsafe(s->io_base, GA_HMCTL_REG); in upload_dma_data()
480 sscape_write_unsafe(s->io_base, GA_HMCTL_REG, val | 0x40); in upload_dma_data()
481 spin_unlock_irqrestore(&s->lock, flags); in upload_dma_data()
491 "from on-board processor after upload\n"); in upload_dma_data()
492 ret = -EAGAIN; in upload_dma_data()
495 "sscape: SoundScape failed to initialise\n"); in upload_dma_data()
496 ret = -EAGAIN; in upload_dma_data()
503 sscape_write(s, GA_DMAA_REG, (s->ic_type == IC_OPUS ? 0x40 : 0x70)); in upload_dma_data()
522 ret = request_firmware(&init_fw, "scope.cod", card->dev); in sscape_upload_bootblock()
527 ret = upload_dma_data(sscape, init_fw->data, init_fw->size); in sscape_upload_bootblock()
531 spin_lock_irqsave(&sscape->lock, flags); in sscape_upload_bootblock()
533 data = host_read_ctrl_unsafe(sscape->io_base, 100); in sscape_upload_bootblock()
536 sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2f); in sscape_upload_bootblock()
538 spin_unlock_irqrestore(&sscape->lock, flags); in sscape_upload_bootblock()
543 "sscape: timeout reading firmware version\n"); in sscape_upload_bootblock()
544 ret = -EAGAIN; in sscape_upload_bootblock()
562 err = request_firmware(&init_fw, name, card->dev); in sscape_upload_microcode()
568 err = upload_dma_data(sscape, init_fw->data, init_fw->size); in sscape_upload_microcode()
570 snd_printk(KERN_INFO "sscape: MIDI firmware loaded %zu KBs\n", in sscape_upload_microcode()
571 init_fw->size >> 10); in sscape_upload_microcode()
584 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; in sscape_midi_info()
585 uinfo->count = 1; in sscape_midi_info()
586 uinfo->value.integer.min = 0; in sscape_midi_info()
587 uinfo->value.integer.max = 127; in sscape_midi_info()
595 struct snd_card *card = chip->card; in sscape_midi_get()
599 spin_lock_irqsave(&s->lock, flags); in sscape_midi_get()
600 uctl->value.integer.value[0] = s->midi_vol; in sscape_midi_get()
601 spin_unlock_irqrestore(&s->lock, flags); in sscape_midi_get()
609 struct snd_card *card = chip->card; in sscape_midi_put()
615 spin_lock_irqsave(&s->lock, flags); in sscape_midi_put()
617 new_val = uctl->value.integer.value[0] & 127; in sscape_midi_put()
620 * can send any volume-changing HOST commands ... in sscape_midi_put()
622 set_host_mode_unsafe(s->io_base); in sscape_midi_put()
627 * and then perform another volume-related command. Perhaps the in sscape_midi_put()
630 if (s->midi_vol == new_val) { in sscape_midi_put()
634 change = host_write_ctrl_unsafe(s->io_base, CMD_SET_MIDI_VOL, 100) in sscape_midi_put()
635 && host_write_ctrl_unsafe(s->io_base, new_val, 100) in sscape_midi_put()
636 && host_write_ctrl_unsafe(s->io_base, CMD_XXX_MIDI_VOL, 100) in sscape_midi_put()
637 && host_write_ctrl_unsafe(s->io_base, new_val, 100); in sscape_midi_put()
638 s->midi_vol = new_val; in sscape_midi_put()
644 set_midi_mode_unsafe(s->io_base); in sscape_midi_put()
646 spin_unlock_irqrestore(&s->lock, flags); in sscape_midi_put()
683 * Perform certain arcane port-checks to see whether there
692 spin_lock_irqsave(&s->lock, flags); in detect_sscape()
699 if ((inb(HOST_CTRL_IO(s->io_base)) & 0x78) != 0) in detect_sscape()
702 d = inb(ODIE_ADDR_IO(s->io_base)) & 0xf0; in detect_sscape()
707 s->ic_type = IC_ODIE; in detect_sscape()
709 s->ic_type = IC_OPUS; in detect_sscape()
713 outb(0xfa, ODIE_ADDR_IO(s->io_base)); in detect_sscape()
714 if ((inb(ODIE_ADDR_IO(s->io_base)) & 0x9f) != 0x0a) in detect_sscape()
717 outb(0xfe, ODIE_ADDR_IO(s->io_base)); in detect_sscape()
718 if ((inb(ODIE_ADDR_IO(s->io_base)) & 0x9f) != 0x0e) in detect_sscape()
721 outb(0xfe, ODIE_ADDR_IO(s->io_base)); in detect_sscape()
722 d = inb(ODIE_DATA_IO(s->io_base)); in detect_sscape()
723 if (s->type != SSCAPE_VIVO && (d & 0x9f) != 0x0e) in detect_sscape()
726 if (s->ic_type == IC_OPUS) in detect_sscape()
727 activate_ad1845_unsafe(s->io_base); in detect_sscape()
729 if (s->type == SSCAPE_VIVO) in detect_sscape()
732 d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG); in detect_sscape()
733 sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0); in detect_sscape()
739 spin_unlock_irqrestore(&s->lock, flags); in detect_sscape()
741 spin_lock_irqsave(&s->lock, flags); in detect_sscape()
750 d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG) & 0x3f; in detect_sscape()
751 sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d); in detect_sscape()
754 s->type = MEDIA_FX; in detect_sscape()
756 d = sscape_read_unsafe(s->io_base, GA_HMCTL_REG); in detect_sscape()
757 sscape_write_unsafe(s->io_base, GA_HMCTL_REG, d | 0xc0); in detect_sscape()
762 spin_unlock_irqrestore(&s->lock, flags); in detect_sscape()
764 spin_lock_irqsave(&s->lock, flags); in detect_sscape()
773 spin_unlock_irqrestore(&s->lock, flags); in detect_sscape()
778 * ALSA callback function, called when attempting to open the MIDI device.
787 "please load firmware\n"); in mpu401_open()
788 return -ENODEV; in mpu401_open()
795 * Initialise an MPU-401 subdevice for MIDI support on the SoundScape.
807 struct snd_mpu401 *mpu = rawmidi->private_data; in create_mpu401()
808 mpu->open_input = mpu401_open; in create_mpu401()
809 mpu->open_output = mpu401_open; in create_mpu401()
810 mpu->private_data = sscape; in create_mpu401()
833 switch (sscape->type) { in create_ad1845()
842 if (sscape->ic_type != IC_OPUS) in create_ad1845()
853 err = snd_wss_create(card, port, -1, irq, dma1, dma2, in create_ad1845()
858 if (sscape->type != SSCAPE_VIVO) { in create_ad1845()
865 spin_lock_irqsave(&chip->reg_lock, flags); in create_ad1845()
867 spin_unlock_irqrestore(&chip->reg_lock, flags); in create_ad1845()
875 "for AD1845 chip\n"); in create_ad1845()
882 "for AD1845 chip\n"); in create_ad1845()
885 if (chip->hardware != WSS_HW_AD1848) { in create_ad1845()
889 "for AD1845 chip\n"); in create_ad1845()
894 if (sscape->type != SSCAPE_VIVO) { in create_ad1845()
899 "MIDI mixer control\n"); in create_ad1845()
904 sscape->chip = chip; in create_ad1845()
931 * can detect and control this hardware ... in create_sscape()
933 io_res = devm_request_region(card->dev, port[dev], 8, "SoundScape"); in create_sscape()
936 "sscape: can't grab port 0x%lx\n", port[dev]); in create_sscape()
937 return -EBUSY; in create_sscape()
940 if (sscape->type == SSCAPE_VIVO) { in create_sscape()
941 wss_res = devm_request_region(card->dev, wss_port[dev], 4, in create_sscape()
944 snd_printk(KERN_ERR "sscape: can't grab port 0x%lx\n", in create_sscape()
946 return -EBUSY; in create_sscape()
953 err = snd_devm_request_dma(card->dev, dma[dev], "SoundScape"); in create_sscape()
955 snd_printk(KERN_ERR "sscape: can't grab DMA %d\n", dma[dev]); in create_sscape()
959 spin_lock_init(&sscape->lock); in create_sscape()
960 sscape->io_res = io_res; in create_sscape()
961 sscape->wss_res = wss_res; in create_sscape()
962 sscape->io_base = port[dev]; in create_sscape()
965 printk(KERN_ERR "sscape: hardware not detected at 0x%x\n", in create_sscape()
966 sscape->io_base); in create_sscape()
967 return -ENODEV; in create_sscape()
970 switch (sscape->type) { in create_sscape()
988 printk(KERN_INFO "sscape: %s card detected at 0x%x, using IRQ %d, DMA %d\n", in create_sscape()
989 name, sscape->io_base, irq[dev], dma[dev]); in create_sscape()
994 irq_cfg = get_irq_config(sscape->type, irq[dev]); in create_sscape()
996 snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", irq[dev]); in create_sscape()
997 return -ENXIO; in create_sscape()
1000 mpu_irq_cfg = get_irq_config(sscape->type, mpu_irq[dev]); in create_sscape()
1002 snd_printk(KERN_ERR "sscape: Invalid IRQ %d\n", mpu_irq[dev]); in create_sscape()
1003 return -ENXIO; in create_sscape()
1007 * Tell the on-board devices where their resources are (I think - in create_sscape()
1010 spin_lock_irqsave(&sscape->lock, flags); in create_sscape()
1012 sscape_write_unsafe(sscape->io_base, GA_SMCFGA_REG, 0x2e); in create_sscape()
1013 sscape_write_unsafe(sscape->io_base, GA_SMCFGB_REG, 0x00); in create_sscape()
1016 * Enable and configure the DMA channels ... in create_sscape()
1018 sscape_write_unsafe(sscape->io_base, GA_DMACFG_REG, 0x50); in create_sscape()
1019 dma_cfg = (sscape->ic_type == IC_OPUS ? 0x40 : 0x70); in create_sscape()
1020 sscape_write_unsafe(sscape->io_base, GA_DMAA_REG, dma_cfg); in create_sscape()
1021 sscape_write_unsafe(sscape->io_base, GA_DMAB_REG, 0x20); in create_sscape()
1024 val = sscape_read_unsafe(sscape->io_base, GA_HMCTL_REG) & 0xF7; in create_sscape()
1027 sscape_write_unsafe(sscape->io_base, GA_HMCTL_REG, val | 0x10); in create_sscape()
1028 sscape_write_unsafe(sscape->io_base, GA_INTCFG_REG, 0xf0 | mpu_irq_cfg); in create_sscape()
1029 sscape_write_unsafe(sscape->io_base, in create_sscape()
1033 * Enable the master IRQ ... in create_sscape()
1035 sscape_write_unsafe(sscape->io_base, GA_INTENA_REG, 0x80); in create_sscape()
1037 spin_unlock_irqrestore(&sscape->lock, flags); in create_sscape()
1041 * detect the AD1845 device ... in create_sscape()
1047 "sscape: No AD1845 device at 0x%lx, IRQ %d\n", in create_sscape()
1051 strcpy(card->driver, "SoundScape"); in create_sscape()
1052 strcpy(card->shortname, name); in create_sscape()
1053 snprintf(card->longname, sizeof(card->longname), in create_sscape()
1054 "%s at 0x%lx, IRQ %d, DMA1 %d, DMA2 %d\n", in create_sscape()
1055 name, sscape->chip->port, sscape->chip->irq, in create_sscape()
1056 sscape->chip->dma1, sscape->chip->dma2); in create_sscape()
1059 if (sscape->type != SSCAPE_VIVO) { in create_sscape()
1069 "MPU-401 device at 0x%lx\n", in create_sscape()
1077 spin_lock_irqsave(&sscape->lock, flags); in create_sscape()
1078 sscape->midi_vol = 0; in create_sscape()
1079 host_write_ctrl_unsafe(sscape->io_base, in create_sscape()
1081 host_write_ctrl_unsafe(sscape->io_base, in create_sscape()
1082 sscape->midi_vol, 100); in create_sscape()
1083 host_write_ctrl_unsafe(sscape->io_base, in create_sscape()
1085 host_write_ctrl_unsafe(sscape->io_base, in create_sscape()
1086 sscape->midi_vol, 100); in create_sscape()
1087 host_write_ctrl_unsafe(sscape->io_base, in create_sscape()
1089 host_write_ctrl_unsafe(sscape->io_base, in create_sscape()
1091 host_write_ctrl_unsafe(sscape->io_base, CMD_ACK, 100); in create_sscape()
1093 set_midi_mode_unsafe(sscape->io_base); in create_sscape()
1094 spin_unlock_irqrestore(&sscape->lock, flags); in create_sscape()
1115 "need IO, IRQ, MPU-IRQ and DMA\n"); in snd_sscape_match()
1134 sscape->type = SSCAPE; in snd_sscape_probe()
1144 snd_printk(KERN_ERR "sscape: Failed to register sound card\n"); in snd_sscape_probe()
1181 * Allow this function to fail *quietly* if all the ISA PnP in sscape_pnp_detect()
1186 return -ENOSPC; in sscape_pnp_detect()
1191 dev = pnp_request_card_device(pcard, pid->devs[0].id, NULL); in sscape_pnp_detect()
1193 return -ENODEV; in sscape_pnp_detect()
1197 snd_printk(KERN_INFO "sscape: device is inactive\n"); in sscape_pnp_detect()
1198 return -EBUSY; in sscape_pnp_detect()
1206 ret = snd_devm_card_new(&pcard->card->dev, in sscape_pnp_detect()
1217 if (!strncmp("ENS4081", pid->id, 7)) in sscape_pnp_detect()
1218 sscape->type = SSCAPE_VIVO; in sscape_pnp_detect()
1220 sscape->type = SSCAPE_PNP; in sscape_pnp_detect()
1229 if (sscape->type == SSCAPE_PNP) { in sscape_pnp_detect()
1243 snd_printk(KERN_ERR "sscape: Failed to register sound card\n"); in sscape_pnp_detect()