1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2012-2016 Ruslan Bukin <br@bsdpad.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * RME HDSPe driver for FreeBSD. 31 * Supported cards: AIO, RayDAT. 32 */ 33 34 #include <dev/sound/pcm/sound.h> 35 #include <dev/sound/pci/hdspe.h> 36 #include <dev/sound/chip.h> 37 38 #include <dev/pci/pcireg.h> 39 #include <dev/pci/pcivar.h> 40 41 #include <mixer_if.h> 42 43 SND_DECLARE_FILE("$FreeBSD$"); 44 45 static struct hdspe_channel chan_map_aio[] = { 46 { 0, 1, "line", 1, 1 }, 47 { 6, 7, "phone", 1, 0 }, 48 { 8, 9, "aes", 1, 1 }, 49 { 10, 11, "s/pdif", 1, 1 }, 50 { 12, 16, "adat", 1, 1 }, 51 52 /* Single or double speed. */ 53 { 14, 18, "adat", 1, 1 }, 54 55 /* Single speed only. */ 56 { 13, 15, "adat", 1, 1 }, 57 { 17, 19, "adat", 1, 1 }, 58 59 { 0, 0, NULL, 0, 0 }, 60 }; 61 62 static struct hdspe_channel chan_map_rd[] = { 63 { 0, 1, "aes", 1, 1 }, 64 { 2, 3, "s/pdif", 1, 1 }, 65 { 4, 5, "adat", 1, 1 }, 66 { 6, 7, "adat", 1, 1 }, 67 { 8, 9, "adat", 1, 1 }, 68 { 10, 11, "adat", 1, 1 }, 69 70 /* Single or double speed. */ 71 { 12, 13, "adat", 1, 1 }, 72 { 14, 15, "adat", 1, 1 }, 73 { 16, 17, "adat", 1, 1 }, 74 { 18, 19, "adat", 1, 1 }, 75 76 /* Single speed only. */ 77 { 20, 21, "adat", 1, 1 }, 78 { 22, 23, "adat", 1, 1 }, 79 { 24, 25, "adat", 1, 1 }, 80 { 26, 27, "adat", 1, 1 }, 81 { 28, 29, "adat", 1, 1 }, 82 { 30, 31, "adat", 1, 1 }, 83 { 32, 33, "adat", 1, 1 }, 84 { 34, 35, "adat", 1, 1 }, 85 86 { 0, 0, NULL, 0, 0 }, 87 }; 88 89 static void 90 hdspe_intr(void *p) 91 { 92 struct sc_pcminfo *scp; 93 struct sc_info *sc; 94 device_t *devlist; 95 int devcount; 96 int status; 97 int err; 98 int i; 99 100 sc = (struct sc_info *)p; 101 102 snd_mtxlock(sc->lock); 103 104 status = hdspe_read_1(sc, HDSPE_STATUS_REG); 105 if (status & HDSPE_AUDIO_IRQ_PENDING) { 106 if ((err = device_get_children(sc->dev, &devlist, &devcount)) != 0) 107 return; 108 109 for (i = 0; i < devcount; i++) { 110 scp = device_get_ivars(devlist[i]); 111 if (scp->ih != NULL) 112 scp->ih(scp); 113 } 114 115 hdspe_write_1(sc, HDSPE_INTERRUPT_ACK, 0); 116 free(devlist, M_TEMP); 117 } 118 119 snd_mtxunlock(sc->lock); 120 } 121 122 static void 123 hdspe_dmapsetmap(void *arg, bus_dma_segment_t *segs, int nseg, int error) 124 { 125 struct sc_info *sc; 126 127 sc = (struct sc_info *)arg; 128 129 #if 0 130 device_printf(sc->dev, "hdspe_dmapsetmap()\n"); 131 #endif 132 } 133 134 static int 135 hdspe_alloc_resources(struct sc_info *sc) 136 { 137 138 /* Allocate resource. */ 139 sc->csid = PCIR_BAR(0); 140 sc->cs = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY, 141 &sc->csid, RF_ACTIVE); 142 143 if (!sc->cs) { 144 device_printf(sc->dev, "Unable to map SYS_RES_MEMORY.\n"); 145 return (ENXIO); 146 } 147 148 sc->cst = rman_get_bustag(sc->cs); 149 sc->csh = rman_get_bushandle(sc->cs); 150 151 /* Allocate interrupt resource. */ 152 sc->irqid = 0; 153 sc->irq = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, &sc->irqid, 154 RF_ACTIVE | RF_SHAREABLE); 155 156 if (!sc->irq || 157 bus_setup_intr(sc->dev, sc->irq, INTR_MPSAFE | INTR_TYPE_AV, 158 NULL, hdspe_intr, sc, &sc->ih)) { 159 device_printf(sc->dev, "Unable to alloc interrupt resource.\n"); 160 return (ENXIO); 161 } 162 163 /* Allocate DMA resources. */ 164 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(sc->dev), 165 /*alignment*/4, 166 /*boundary*/0, 167 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 168 /*highaddr*/BUS_SPACE_MAXADDR, 169 /*filter*/NULL, 170 /*filterarg*/NULL, 171 /*maxsize*/2 * HDSPE_DMASEGSIZE, 172 /*nsegments*/2, 173 /*maxsegsz*/HDSPE_DMASEGSIZE, 174 /*flags*/0, 175 /*lockfunc*/busdma_lock_mutex, 176 /*lockarg*/&Giant, 177 /*dmatag*/&sc->dmat) != 0) { 178 device_printf(sc->dev, "Unable to create dma tag.\n"); 179 return (ENXIO); 180 } 181 182 sc->bufsize = HDSPE_DMASEGSIZE; 183 184 /* pbuf (play buffer). */ 185 if (bus_dmamem_alloc(sc->dmat, (void **)&sc->pbuf, 186 BUS_DMA_NOWAIT, &sc->pmap)) { 187 device_printf(sc->dev, "Can't alloc pbuf.\n"); 188 return (ENXIO); 189 } 190 191 if (bus_dmamap_load(sc->dmat, sc->pmap, sc->pbuf, sc->bufsize, 192 hdspe_dmapsetmap, sc, 0)) { 193 device_printf(sc->dev, "Can't load pbuf.\n"); 194 return (ENXIO); 195 } 196 197 /* rbuf (rec buffer). */ 198 if (bus_dmamem_alloc(sc->dmat, (void **)&sc->rbuf, 199 BUS_DMA_NOWAIT, &sc->rmap)) { 200 device_printf(sc->dev, "Can't alloc rbuf.\n"); 201 return (ENXIO); 202 } 203 204 if (bus_dmamap_load(sc->dmat, sc->rmap, sc->rbuf, sc->bufsize, 205 hdspe_dmapsetmap, sc, 0)) { 206 device_printf(sc->dev, "Can't load rbuf.\n"); 207 return (ENXIO); 208 } 209 210 bzero(sc->pbuf, sc->bufsize); 211 bzero(sc->rbuf, sc->bufsize); 212 213 return (0); 214 } 215 216 static void 217 hdspe_map_dmabuf(struct sc_info *sc) 218 { 219 uint32_t paddr, raddr; 220 int i; 221 222 paddr = vtophys(sc->pbuf); 223 raddr = vtophys(sc->rbuf); 224 225 for (i = 0; i < HDSPE_MAX_SLOTS * 16; i++) { 226 hdspe_write_4(sc, HDSPE_PAGE_ADDR_BUF_OUT + 4 * i, 227 paddr + i * 4096); 228 hdspe_write_4(sc, HDSPE_PAGE_ADDR_BUF_IN + 4 * i, 229 raddr + i * 4096); 230 } 231 } 232 233 static int 234 hdspe_probe(device_t dev) 235 { 236 uint32_t rev; 237 238 if (pci_get_vendor(dev) == PCI_VENDOR_XILINX && 239 pci_get_device(dev) == PCI_DEVICE_XILINX_HDSPE) { 240 rev = pci_get_revid(dev); 241 switch (rev) { 242 case PCI_REVISION_AIO: 243 device_set_desc(dev, "RME HDSPe AIO"); 244 return (0); 245 case PCI_REVISION_RAYDAT: 246 device_set_desc(dev, "RME HDSPe RayDAT"); 247 return (0); 248 } 249 } 250 251 return (ENXIO); 252 } 253 254 static int 255 hdspe_init(struct sc_info *sc) 256 { 257 long long period; 258 259 /* Set defaults. */ 260 sc->ctrl_register |= HDSPM_CLOCK_MODE_MASTER; 261 262 /* Set latency. */ 263 sc->period = 32; 264 sc->ctrl_register = hdspe_encode_latency(7); 265 266 /* Set rate. */ 267 sc->speed = HDSPE_SPEED_DEFAULT; 268 sc->ctrl_register &= ~HDSPE_FREQ_MASK; 269 sc->ctrl_register |= HDSPE_FREQ_MASK_DEFAULT; 270 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register); 271 272 switch (sc->type) { 273 case RAYDAT: 274 case AIO: 275 period = HDSPE_FREQ_AIO; 276 break; 277 default: 278 return (ENXIO); 279 } 280 281 /* Set DDS value. */ 282 period /= sc->speed; 283 hdspe_write_4(sc, HDSPE_FREQ_REG, period); 284 285 /* Other settings. */ 286 sc->settings_register = 0; 287 hdspe_write_4(sc, HDSPE_SETTINGS_REG, sc->settings_register); 288 289 return (0); 290 } 291 292 static int 293 hdspe_attach(device_t dev) 294 { 295 struct hdspe_channel *chan_map; 296 struct sc_pcminfo *scp; 297 struct sc_info *sc; 298 uint32_t rev; 299 int i, err; 300 301 #if 0 302 device_printf(dev, "hdspe_attach()\n"); 303 #endif 304 305 sc = device_get_softc(dev); 306 sc->lock = snd_mtxcreate(device_get_nameunit(dev), 307 "snd_hdspe softc"); 308 sc->dev = dev; 309 310 pci_enable_busmaster(dev); 311 rev = pci_get_revid(dev); 312 switch (rev) { 313 case PCI_REVISION_AIO: 314 sc->type = AIO; 315 chan_map = chan_map_aio; 316 break; 317 case PCI_REVISION_RAYDAT: 318 sc->type = RAYDAT; 319 chan_map = chan_map_rd; 320 break; 321 default: 322 return (ENXIO); 323 } 324 325 /* Allocate resources. */ 326 err = hdspe_alloc_resources(sc); 327 if (err) { 328 device_printf(dev, "Unable to allocate system resources.\n"); 329 return (ENXIO); 330 } 331 332 if (hdspe_init(sc) != 0) 333 return (ENXIO); 334 335 for (i = 0; i < HDSPE_MAX_CHANS && chan_map[i].descr != NULL; i++) { 336 scp = malloc(sizeof(struct sc_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO); 337 scp->hc = &chan_map[i]; 338 scp->sc = sc; 339 scp->dev = device_add_child(dev, "pcm", -1); 340 device_set_ivars(scp->dev, scp); 341 } 342 343 hdspe_map_dmabuf(sc); 344 345 return (bus_generic_attach(dev)); 346 } 347 348 static void 349 hdspe_dmafree(struct sc_info *sc) 350 { 351 352 bus_dmamap_unload(sc->dmat, sc->rmap); 353 bus_dmamap_unload(sc->dmat, sc->pmap); 354 bus_dmamem_free(sc->dmat, sc->rbuf, sc->rmap); 355 bus_dmamem_free(sc->dmat, sc->pbuf, sc->pmap); 356 sc->rbuf = sc->pbuf = NULL; 357 } 358 359 static int 360 hdspe_detach(device_t dev) 361 { 362 struct sc_info *sc; 363 int err; 364 365 sc = device_get_softc(dev); 366 if (sc == NULL) { 367 device_printf(dev,"Can't detach: softc is null.\n"); 368 return (0); 369 } 370 371 err = device_delete_children(dev); 372 if (err) 373 return (err); 374 375 hdspe_dmafree(sc); 376 377 if (sc->ih) 378 bus_teardown_intr(dev, sc->irq, sc->ih); 379 if (sc->dmat) 380 bus_dma_tag_destroy(sc->dmat); 381 if (sc->irq) 382 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq); 383 if (sc->cs) 384 bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0), sc->cs); 385 if (sc->lock) 386 snd_mtxfree(sc->lock); 387 388 return (0); 389 } 390 391 static device_method_t hdspe_methods[] = { 392 DEVMETHOD(device_probe, hdspe_probe), 393 DEVMETHOD(device_attach, hdspe_attach), 394 DEVMETHOD(device_detach, hdspe_detach), 395 { 0, 0 } 396 }; 397 398 static driver_t hdspe_driver = { 399 "hdspe", 400 hdspe_methods, 401 PCM_SOFTC_SIZE, 402 }; 403 404 static devclass_t hdspe_devclass; 405 406 DRIVER_MODULE(snd_hdspe, pci, hdspe_driver, hdspe_devclass, 0, 0); 407