2 * Copyright (c) 2012 Ruslan Bukin <br@bsdpad.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * RME HDSPe driver for FreeBSD.
29 * Supported cards: AIO, RayDAT.
32 #include <dev/sound/pcm/sound.h>
33 #include <dev/sound/pci/hdspe.h>
34 #include <dev/sound/chip.h>
36 #include <bus/pci/pcireg.h>
37 #include <bus/pci/pcivar.h>
41 SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pci/hdspe.c 267581 2014-06-17 16:07:57Z jhb $");
43 static struct hdspe_channel chan_map_aio[] = {
44 { 0, 1, "line", 1, 1 },
45 { 6, 7, "phone", 1, 0 },
46 { 8, 9, "aes", 1, 1 },
47 { 10, 11, "s/pdif", 1, 1 },
48 { 12, 16, "adat", 1, 1 },
50 /* Single or double speed. */
51 { 14, 18, "adat", 1, 1 },
53 /* Single speed only. */
54 { 13, 15, "adat", 1, 1 },
55 { 17, 19, "adat", 1, 1 },
60 static struct hdspe_channel chan_map_rd[] = {
61 { 0, 1, "aes", 1, 1 },
62 { 2, 3, "s/pdif", 1, 1 },
63 { 4, 5, "adat", 1, 1 },
64 { 6, 7, "adat", 1, 1 },
65 { 8, 9, "adat", 1, 1 },
66 { 10, 11, "adat", 1, 1 },
68 /* Single or double speed. */
69 { 12, 13, "adat", 1, 1 },
70 { 14, 15, "adat", 1, 1 },
71 { 16, 17, "adat", 1, 1 },
72 { 18, 19, "adat", 1, 1 },
74 /* Single speed only. */
75 { 20, 21, "adat", 1, 1 },
76 { 22, 23, "adat", 1, 1 },
77 { 24, 25, "adat", 1, 1 },
78 { 26, 27, "adat", 1, 1 },
79 { 28, 29, "adat", 1, 1 },
80 { 30, 31, "adat", 1, 1 },
81 { 32, 33, "adat", 1, 1 },
82 { 34, 35, "adat", 1, 1 },
90 struct sc_info *sc = (struct sc_info *)p;
91 struct sc_pcminfo *scp;
96 snd_mtxlock(sc->lock);
98 status = hdspe_read_1(sc, HDSPE_STATUS_REG);
99 if (status & HDSPE_AUDIO_IRQ_PENDING) {
100 if ((err = device_get_children(sc->dev, &devlist, &devcount)) != 0)
103 for (i = 0; i < devcount; i++) {
104 scp = device_get_ivars(devlist[i]);
109 hdspe_write_1(sc, HDSPE_INTERRUPT_ACK, 0);
110 kfree(devlist, M_TEMP);
113 snd_mtxunlock(sc->lock);
117 hdspe_dmapsetmap(void *arg, bus_dma_segment_t *segs, int nseg, int error)
120 struct sc_info *sc = (struct sc_info *)arg;
121 device_printf(sc->dev, "hdspe_dmapsetmap()\n");
126 hdspe_alloc_resources(struct sc_info *sc)
129 /* Allocate resource. */
130 sc->csid = PCIR_BAR(0);
131 sc->cs = bus_alloc_resource(sc->dev, SYS_RES_MEMORY,
132 &sc->csid, 0, ~0, 1, RF_ACTIVE);
135 device_printf(sc->dev, "Unable to map SYS_RES_MEMORY.\n");
138 sc->cst = rman_get_bustag(sc->cs);
139 sc->csh = rman_get_bushandle(sc->cs);
142 /* Allocate interrupt resource. */
144 sc->irq = bus_alloc_resource(sc->dev, SYS_RES_IRQ, &sc->irqid,
145 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
148 bus_setup_intr(sc->dev, sc->irq, INTR_MPSAFE,
149 hdspe_intr, sc, &sc->ih, NULL)) {
150 device_printf(sc->dev, "Unable to alloc interrupt resource.\n");
154 /* Allocate DMA resources. */
155 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(sc->dev),
158 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
159 /*highaddr*/BUS_SPACE_MAXADDR,
162 /*maxsize*/2 * HDSPE_DMASEGSIZE,
164 /*maxsegsz*/HDSPE_DMASEGSIZE,
166 /*dmatag*/&sc->dmat) != 0) {
167 device_printf(sc->dev, "Unable to create dma tag.\n");
171 sc->bufsize = HDSPE_DMASEGSIZE;
173 /* pbuf (play buffer). */
174 if (bus_dmamem_alloc(sc->dmat, (void **)&sc->pbuf,
175 BUS_DMA_NOWAIT, &sc->pmap)) {
176 device_printf(sc->dev, "Can't alloc pbuf.\n");
180 if (bus_dmamap_load(sc->dmat, sc->pmap, sc->pbuf, sc->bufsize,
181 hdspe_dmapsetmap, sc, 0)) {
182 device_printf(sc->dev, "Can't load pbuf.\n");
186 /* rbuf (rec buffer). */
187 if (bus_dmamem_alloc(sc->dmat, (void **)&sc->rbuf,
188 BUS_DMA_NOWAIT, &sc->rmap)) {
189 device_printf(sc->dev, "Can't alloc rbuf.\n");
193 if (bus_dmamap_load(sc->dmat, sc->rmap, sc->rbuf, sc->bufsize,
194 hdspe_dmapsetmap, sc, 0)) {
195 device_printf(sc->dev, "Can't load rbuf.\n");
199 bzero(sc->pbuf, sc->bufsize);
200 bzero(sc->rbuf, sc->bufsize);
206 hdspe_map_dmabuf(struct sc_info *sc)
208 uint32_t paddr,raddr;
211 paddr = vtophys(sc->pbuf);
212 raddr = vtophys(sc->rbuf);
214 for (i = 0; i < HDSPE_MAX_SLOTS * 16; i++) {
215 hdspe_write_4(sc, HDSPE_PAGE_ADDR_BUF_OUT + 4 * i,
217 hdspe_write_4(sc, HDSPE_PAGE_ADDR_BUF_IN + 4 * i,
223 hdspe_probe(device_t dev)
227 if (pci_get_vendor(dev) == PCI_VENDOR_XILINX &&
228 pci_get_device(dev) == PCI_DEVICE_XILINX_HDSPE) {
229 rev = pci_get_revid(dev);
231 case PCI_REVISION_AIO:
232 device_set_desc(dev, "RME HDSPe AIO");
234 case PCI_REVISION_RAYDAT:
235 device_set_desc(dev, "RME HDSPe RayDAT");
244 hdspe_init(struct sc_info *sc)
249 sc->ctrl_register |= HDSPM_CLOCK_MODE_MASTER;
253 sc->ctrl_register = hdspe_encode_latency(7);
256 sc->speed = HDSPE_SPEED_DEFAULT;
257 sc->ctrl_register &= ~HDSPE_FREQ_MASK;
258 sc->ctrl_register |= HDSPE_FREQ_MASK_DEFAULT;
259 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register);
264 period = HDSPE_FREQ_AIO;
272 hdspe_write_4(sc, HDSPE_FREQ_REG, period);
274 /* Other settings. */
275 sc->settings_register = 0;
276 hdspe_write_4(sc, HDSPE_SETTINGS_REG, sc->settings_register);
282 hdspe_attach(device_t dev)
285 struct sc_pcminfo *scp;
286 struct hdspe_channel *chan_map;
291 device_printf(dev, "hdspe_attach()\n");
294 sc = device_get_softc(dev);
295 sc->lock = snd_mtxcreate(device_get_nameunit(dev),
299 pci_enable_busmaster(dev);
300 rev = pci_get_revid(dev);
302 case PCI_REVISION_AIO:
304 chan_map = chan_map_aio;
306 case PCI_REVISION_RAYDAT:
308 chan_map = chan_map_rd;
314 /* Allocate resources. */
315 err = hdspe_alloc_resources(sc);
317 device_printf(dev, "Unable to allocate system resources.\n");
321 if (hdspe_init(sc) != 0)
324 for (i = 0; i < HDSPE_MAX_CHANS && chan_map[i].descr != NULL; i++) {
325 scp = kmalloc(sizeof(struct sc_pcminfo), M_DEVBUF, M_WAITOK | M_ZERO);
326 scp->hc = &chan_map[i];
328 scp->dev = device_add_child(dev, "pcm", -1);
329 device_set_ivars(scp->dev, scp);
332 hdspe_map_dmabuf(sc);
334 return (bus_generic_attach(dev));
338 hdspe_dmafree(struct sc_info *sc)
341 bus_dmamap_unload(sc->dmat, sc->rmap);
342 bus_dmamap_unload(sc->dmat, sc->pmap);
343 bus_dmamem_free(sc->dmat, sc->rbuf, sc->rmap);
344 bus_dmamem_free(sc->dmat, sc->pbuf, sc->pmap);
345 sc->rbuf = sc->pbuf = NULL;
349 hdspe_detach(device_t dev)
354 sc = device_get_softc(dev);
356 device_printf(dev,"Can't detach: softc is null.\n");
360 err = device_delete_children(dev);
367 bus_teardown_intr(dev, sc->irq, sc->ih);
369 bus_dma_tag_destroy(sc->dmat);
371 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
373 bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0), sc->cs);
375 snd_mtxfree(sc->lock);
380 static device_method_t hdspe_methods[] = {
381 DEVMETHOD(device_probe, hdspe_probe),
382 DEVMETHOD(device_attach, hdspe_attach),
383 DEVMETHOD(device_detach, hdspe_detach),
387 static driver_t hdspe_driver = {
393 static devclass_t hdspe_devclass;
395 DRIVER_MODULE(snd_hdspe, pci, hdspe_driver, hdspe_devclass, NULL, NULL);