1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2012-2016 Ruslan Bukin <br@bsdpad.com>
5  * Copyright (c) 2023-2024 Florian Walpen <dev@submerge.ch>
122 	snd_mtxlock(sc->lock);  in hdspe_intr()
126 		if ((err = device_get_children(sc->dev, &devlist, &devcount)) != 0)  in hdspe_intr()
131 			if (scp->ih != NULL)  in hdspe_intr()
132 				scp->ih(scp);  in hdspe_intr()
139 	snd_mtxunlock(sc->lock);  in hdspe_intr()
146 	device_printf(sc->dev, "hdspe_dmapsetmap()\n");  in hdspe_dmapsetmap()
155 	sc->csid = PCIR_BAR(0);  in hdspe_alloc_resources()
156 	sc->cs = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,  in hdspe_alloc_resources()
157 	    &sc->csid, RF_ACTIVE);  in hdspe_alloc_resources()
159 	if (!sc->cs) {  in hdspe_alloc_resources()
160 		device_printf(sc->dev, "Unable to map SYS_RES_MEMORY.\n");  in hdspe_alloc_resources()
164 	sc->cst = rman_get_bustag(sc->cs);  in hdspe_alloc_resources()
165 	sc->csh = rman_get_bushandle(sc->cs);  in hdspe_alloc_resources()
168 	sc->irqid = 0;  in hdspe_alloc_resources()
169 	sc->irq = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, &sc->irqid,  in hdspe_alloc_resources()
172 	if (!sc->irq ||  in hdspe_alloc_resources()
173 	    bus_setup_intr(sc->dev, sc->irq, INTR_MPSAFE | INTR_TYPE_AV,  in hdspe_alloc_resources()
174 		NULL, hdspe_intr, sc, &sc->ih)) {  in hdspe_alloc_resources()
175 		device_printf(sc->dev, "Unable to alloc interrupt resource.\n");  in hdspe_alloc_resources()
180 	if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(sc->dev),  in hdspe_alloc_resources()
193 		/*dmatag*/&sc->dmat) != 0) {  in hdspe_alloc_resources()
194 		device_printf(sc->dev, "Unable to create dma tag.\n");  in hdspe_alloc_resources()
198 	sc->bufsize = HDSPE_DMASEGSIZE;  in hdspe_alloc_resources()
201 	if (bus_dmamem_alloc(sc->dmat, (void **)&sc->pbuf, BUS_DMA_WAITOK,  in hdspe_alloc_resources()
202 	    &sc->pmap)) {  in hdspe_alloc_resources()
203 		device_printf(sc->dev, "Can't alloc pbuf.\n");  in hdspe_alloc_resources()
207 	if (bus_dmamap_load(sc->dmat, sc->pmap, sc->pbuf, sc->bufsize,  in hdspe_alloc_resources()
209 		device_printf(sc->dev, "Can't load pbuf.\n");  in hdspe_alloc_resources()
214 	if (bus_dmamem_alloc(sc->dmat, (void **)&sc->rbuf, BUS_DMA_WAITOK,  in hdspe_alloc_resources()
215 	    &sc->rmap)) {  in hdspe_alloc_resources()
216 		device_printf(sc->dev, "Can't alloc rbuf.\n");  in hdspe_alloc_resources()
220 	if (bus_dmamap_load(sc->dmat, sc->rmap, sc->rbuf, sc->bufsize,  in hdspe_alloc_resources()
222 		device_printf(sc->dev, "Can't load rbuf.\n");  in hdspe_alloc_resources()
226 	bzero(sc->pbuf, sc->bufsize);  in hdspe_alloc_resources()
227 	bzero(sc->rbuf, sc->bufsize);  in hdspe_alloc_resources()
238 	paddr = vtophys(sc->pbuf);  in hdspe_map_dmabuf()
239 	raddr = vtophys(sc->rbuf);  in hdspe_map_dmabuf()
252 	struct sc_info *sc = oidp->oid_arg1;  in hdspe_sysctl_sample_rate()
256 	speed = sc->force_speed;  in hdspe_sysctl_sample_rate()
260 	if (error != 0 || req->newptr == NULL)  in hdspe_sysctl_sample_rate()
263 	/* Speed from 32000 to 192000, 0 falls back to pcm speed setting. */  in hdspe_sysctl_sample_rate()
264 	sc->force_speed = 0;  in hdspe_sysctl_sample_rate()
272 		if (speed < ((32000 + 44100) / 2) * multiplier)  in hdspe_sysctl_sample_rate()
273 			sc->force_speed = 32000 * multiplier;  in hdspe_sysctl_sample_rate()
275 			sc->force_speed = 44100 * multiplier;  in hdspe_sysctl_sample_rate()
277 			sc->force_speed = 48000 * multiplier;  in hdspe_sysctl_sample_rate()
287 	struct sc_info *sc = oidp->oid_arg1;  in hdspe_sysctl_period()
291 	period = sc->force_period;  in hdspe_sysctl_period()
295 	if (error != 0 || req->newptr == NULL)  in hdspe_sysctl_period()
299 	sc->force_period = 0;  in hdspe_sysctl_period()
301 		sc->force_period = 32;  in hdspe_sysctl_period()
302 		while (sc->force_period < period && sc->force_period < 4096)  in hdspe_sysctl_period()
303 			sc->force_period <<= 1;  in hdspe_sysctl_period()
318 	sc = oidp->oid_arg1;  in hdspe_sysctl_clock_preference()
321 	if (sc->type == HDSPE_AIO)  in hdspe_sysctl_clock_preference()
323 	else if (sc->type == HDSPE_RAYDAT)  in hdspe_sysctl_clock_preference()
329 	setting = sc->settings_register & HDSPE_SETTING_CLOCK_MASK;  in hdspe_sysctl_clock_preference()
330 	for (clock = clock_table; clock->name != NULL; ++clock) {  in hdspe_sysctl_clock_preference()
331 		if (clock->setting == setting)  in hdspe_sysctl_clock_preference()
334 	if (clock->name != NULL)  in hdspe_sysctl_clock_preference()
335 		strlcpy(buf, clock->name, sizeof(buf));  in hdspe_sysctl_clock_preference()
339 	if (error != 0 || req->newptr == NULL)  in hdspe_sysctl_clock_preference()
343 	for (clock = clock_table; clock->name != NULL; ++clock) {  in hdspe_sysctl_clock_preference()
344 		if (strncasecmp(buf, clock->name, sizeof(buf)) == 0)  in hdspe_sysctl_clock_preference()
349 	if (clock->name != NULL) {  in hdspe_sysctl_clock_preference()
350 		setting = clock->setting & HDSPE_SETTING_CLOCK_MASK;  in hdspe_sysctl_clock_preference()
351 		snd_mtxlock(sc->lock);  in hdspe_sysctl_clock_preference()
352 		sc->settings_register &= ~HDSPE_SETTING_CLOCK_MASK;  in hdspe_sysctl_clock_preference()
353 		sc->settings_register |= setting;  in hdspe_sysctl_clock_preference()
354 		hdspe_write_4(sc, HDSPE_SETTINGS_REG, sc->settings_register);  in hdspe_sysctl_clock_preference()
355 		snd_mtxunlock(sc->lock);  in hdspe_sysctl_clock_preference()
368 	sc = oidp->oid_arg1;  in hdspe_sysctl_clock_source()
371 	if (sc->type == HDSPE_AIO)  in hdspe_sysctl_clock_source()
373 	else if (sc->type == HDSPE_RAYDAT)  in hdspe_sysctl_clock_source()
379 	snd_mtxlock(sc->lock);  in hdspe_sysctl_clock_source()
382 	snd_mtxunlock(sc->lock);  in hdspe_sysctl_clock_source()
385 	for (clock = clock_table; clock->name != NULL; ++clock) {  in hdspe_sysctl_clock_source()
387 		if (sc->settings_register & HDSPE_SETTING_MASTER) {  in hdspe_sysctl_clock_source()
388 			if (clock->setting & HDSPE_SETTING_MASTER)  in hdspe_sysctl_clock_source()
390 		} else if (clock->status == status)  in hdspe_sysctl_clock_source()
395 	if (clock->name != NULL)  in hdspe_sysctl_clock_source()
396 		strlcpy(buf, clock->name, sizeof(buf));  in hdspe_sysctl_clock_source()
408 	sc = oidp->oid_arg1;  in hdspe_sysctl_clock_list()
412 	if (sc->type == HDSPE_AIO)  in hdspe_sysctl_clock_list()
414 	else if (sc->type == HDSPE_RAYDAT)  in hdspe_sysctl_clock_list()
421 	for (clock = clock_table; clock->name != NULL; ++clock) {  in hdspe_sysctl_clock_list()
423 			n += strlcpy(buf + n, ",", sizeof(buf) - n);  in hdspe_sysctl_clock_list()
424 		n += strlcpy(buf + n, clock->name, sizeof(buf) - n);  in hdspe_sysctl_clock_list()
439 	sc = oidp->oid_arg1;  in hdspe_sysctl_sync_status()
443 	if (sc->type == HDSPE_AIO)  in hdspe_sysctl_sync_status()
445 	else if (sc->type == HDSPE_RAYDAT)  in hdspe_sysctl_sync_status()
451 	snd_mtxlock(sc->lock);  in hdspe_sysctl_sync_status()
453 	snd_mtxunlock(sc->lock);  in hdspe_sysctl_sync_status()
456 	for (clock = clock_table; clock->name != NULL; ++clock) {  in hdspe_sysctl_sync_status()
457 		if (clock->sync_bit != 0) {  in hdspe_sysctl_sync_status()
459 				n += strlcpy(buf + n, ",", sizeof(buf) - n);  in hdspe_sysctl_sync_status()
461 			if ((clock->sync_bit & status) != 0)  in hdspe_sysctl_sync_status()
463 			else if ((clock->lock_bit & status) != 0)  in hdspe_sysctl_sync_status()
465 			n += snprintf(buf + n, sizeof(buf) - n, "%s(%s)",  in hdspe_sysctl_sync_status()
466 			    clock->name, state);  in hdspe_sysctl_sync_status()
500 	sc->period = 32;  in hdspe_init()
507 	sc->force_period = 256;  in hdspe_init()
508 	sc->ctrl_register = hdspe_encode_latency(7);  in hdspe_init()
511 	sc->speed = HDSPE_SPEED_DEFAULT;  in hdspe_init()
512 	sc->force_speed = 0;  in hdspe_init()
513 	sc->ctrl_register &= ~HDSPE_FREQ_MASK;  in hdspe_init()
514 	sc->ctrl_register |= HDSPE_FREQ_MASK_DEFAULT;  in hdspe_init()
515 	hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register);  in hdspe_init()
517 	switch (sc->type) {  in hdspe_init()
527 	period /= sc->speed;  in hdspe_init()
531 	sc->settings_register = 0;  in hdspe_init()
532 	hdspe_write_4(sc, HDSPE_SETTINGS_REG, sc->settings_register);  in hdspe_init()
551 	sc->lock = snd_mtxcreate(device_get_nameunit(dev),  in hdspe_attach()
553 	sc->dev = dev;  in hdspe_attach()
559 		sc->type = HDSPE_AIO;  in hdspe_attach()
563 		sc->type = HDSPE_RAYDAT;  in hdspe_attach()
582 		scp->hc = &chan_map[i];  in hdspe_attach()
583 		scp->sc = sc;  in hdspe_attach()
584 		scp->dev = device_add_child(dev, "pcm", DEVICE_UNIT_ANY);  in hdspe_attach()
585 		device_set_ivars(scp->dev, scp);  in hdspe_attach()
624 	    "Force sample rate (32000, 44100, 48000, ... 192000)");  in hdspe_attach()
639 	bus_dmamap_unload(sc->dmat, sc->rmap);  in hdspe_dmafree()
640 	bus_dmamap_unload(sc->dmat, sc->pmap);  in hdspe_dmafree()
641 	bus_dmamem_free(sc->dmat, sc->rbuf, sc->rmap);  in hdspe_dmafree()
642 	bus_dmamem_free(sc->dmat, sc->pbuf, sc->pmap);  in hdspe_dmafree()
643 	sc->rbuf = sc->pbuf = NULL;  in hdspe_dmafree()
664 	if (sc->ih)  in hdspe_detach()
665 		bus_teardown_intr(dev, sc->irq, sc->ih);  in hdspe_detach()
666 	if (sc->dmat)  in hdspe_detach()
667 		bus_dma_tag_destroy(sc->dmat);  in hdspe_detach()
668 	if (sc->irq)  in hdspe_detach()
669 		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);  in hdspe_detach()
670 	if (sc->cs)  in hdspe_detach()
671 		bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0), sc->cs);  in hdspe_detach()
672 	if (sc->lock)  in hdspe_detach()
673 		snd_mtxfree(sc->lock);  in hdspe_detach()