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15#include <linux/module.h>
16#include <sound/sof.h>
17#include <sound/sof/xtensa.h>
18#include "../ops.h"
19#include "shim.h"
20#include "../sof-audio.h"
21#include "../../intel/common/soc-intel-quirks.h"
22
23
24#define IRAM_OFFSET 0x0C0000
25#define IRAM_SIZE (80 * 1024)
26#define DRAM_OFFSET 0x100000
27#define DRAM_SIZE (160 * 1024)
28#define SHIM_OFFSET 0x140000
29#define SHIM_SIZE_BYT 0x100
30#define SHIM_SIZE_CHT 0x118
31#define MBOX_OFFSET 0x144000
32#define MBOX_SIZE 0x1000
33#define EXCEPT_OFFSET 0x800
34#define EXCEPT_MAX_HDR_SIZE 0x400
35
36
37#define DMAC0_OFFSET 0x098000
38#define DMAC1_OFFSET 0x09c000
39#define DMAC2_OFFSET 0x094000
40#define DMAC_SIZE 0x420
41#define SSP0_OFFSET 0x0a0000
42#define SSP1_OFFSET 0x0a1000
43#define SSP2_OFFSET 0x0a2000
44#define SSP3_OFFSET 0x0a4000
45#define SSP4_OFFSET 0x0a5000
46#define SSP5_OFFSET 0x0a6000
47#define SSP_SIZE 0x100
48
49#define BYT_STACK_DUMP_SIZE 32
50
51#define BYT_PCI_BAR_SIZE 0x200000
52
53#define BYT_PANIC_OFFSET(x) (((x) & GENMASK_ULL(47, 32)) >> 32)
54
55
56
57
58
59#define MBOX_DUMP_SIZE 0x30
60
61
62#define BYT_DSP_BAR 0
63#define BYT_PCI_BAR 1
64#define BYT_IMR_BAR 2
65
66static const struct snd_sof_debugfs_map byt_debugfs[] = {
67 {"dmac0", BYT_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
68 SOF_DEBUGFS_ACCESS_ALWAYS},
69 {"dmac1", BYT_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
70 SOF_DEBUGFS_ACCESS_ALWAYS},
71 {"ssp0", BYT_DSP_BAR, SSP0_OFFSET, SSP_SIZE,
72 SOF_DEBUGFS_ACCESS_ALWAYS},
73 {"ssp1", BYT_DSP_BAR, SSP1_OFFSET, SSP_SIZE,
74 SOF_DEBUGFS_ACCESS_ALWAYS},
75 {"ssp2", BYT_DSP_BAR, SSP2_OFFSET, SSP_SIZE,
76 SOF_DEBUGFS_ACCESS_ALWAYS},
77 {"iram", BYT_DSP_BAR, IRAM_OFFSET, IRAM_SIZE,
78 SOF_DEBUGFS_ACCESS_D0_ONLY},
79 {"dram", BYT_DSP_BAR, DRAM_OFFSET, DRAM_SIZE,
80 SOF_DEBUGFS_ACCESS_D0_ONLY},
81 {"shim", BYT_DSP_BAR, SHIM_OFFSET, SHIM_SIZE_BYT,
82 SOF_DEBUGFS_ACCESS_ALWAYS},
83};
84
85static void byt_host_done(struct snd_sof_dev *sdev);
86static void byt_dsp_done(struct snd_sof_dev *sdev);
87static void byt_get_reply(struct snd_sof_dev *sdev);
88
89
90
91
92
93static void byt_get_registers(struct snd_sof_dev *sdev,
94 struct sof_ipc_dsp_oops_xtensa *xoops,
95 struct sof_ipc_panic_info *panic_info,
96 u32 *stack, size_t stack_words)
97{
98 u32 offset = sdev->dsp_oops_offset;
99
100
101 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
102
103
104
105
106 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
107 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
108 xoops->arch_hdr.totalsize);
109 return;
110 }
111 offset += xoops->arch_hdr.totalsize;
112 sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info));
113
114
115 offset += sizeof(*panic_info);
116 sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32));
117}
118
119static void byt_dump(struct snd_sof_dev *sdev, u32 flags)
120{
121 struct sof_ipc_dsp_oops_xtensa xoops;
122 struct sof_ipc_panic_info panic_info;
123 u32 stack[BYT_STACK_DUMP_SIZE];
124 u64 status, panic, imrd, imrx;
125
126
127 status = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCD);
128 panic = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCX);
129 byt_get_registers(sdev, &xoops, &panic_info, stack,
130 BYT_STACK_DUMP_SIZE);
131 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, stack,
132 BYT_STACK_DUMP_SIZE);
133
134
135 imrx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IMRX);
136 imrd = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IMRD);
137 dev_err(sdev->dev,
138 "error: ipc host -> DSP: pending %s complete %s raw 0x%llx\n",
139 (panic & SHIM_IPCX_BUSY) ? "yes" : "no",
140 (panic & SHIM_IPCX_DONE) ? "yes" : "no", panic);
141 dev_err(sdev->dev,
142 "error: mask host: pending %s complete %s raw 0x%llx\n",
143 (imrx & SHIM_IMRX_BUSY) ? "yes" : "no",
144 (imrx & SHIM_IMRX_DONE) ? "yes" : "no", imrx);
145 dev_err(sdev->dev,
146 "error: ipc DSP -> host: pending %s complete %s raw 0x%llx\n",
147 (status & SHIM_IPCD_BUSY) ? "yes" : "no",
148 (status & SHIM_IPCD_DONE) ? "yes" : "no", status);
149 dev_err(sdev->dev,
150 "error: mask DSP: pending %s complete %s raw 0x%llx\n",
151 (imrd & SHIM_IMRD_BUSY) ? "yes" : "no",
152 (imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd);
153
154}
155
156
157
158
159
160static irqreturn_t byt_irq_handler(int irq, void *context)
161{
162 struct snd_sof_dev *sdev = context;
163 u64 ipcx, ipcd;
164 int ret = IRQ_NONE;
165
166 ipcx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCX);
167 ipcd = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCD);
168
169 if (ipcx & SHIM_BYT_IPCX_DONE) {
170
171
172 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR,
173 SHIM_IMRX,
174 SHIM_IMRX_DONE,
175 SHIM_IMRX_DONE);
176 ret = IRQ_WAKE_THREAD;
177 }
178
179 if (ipcd & SHIM_BYT_IPCD_BUSY) {
180
181
182 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR,
183 SHIM_IMRX,
184 SHIM_IMRX_BUSY,
185 SHIM_IMRX_BUSY);
186 ret = IRQ_WAKE_THREAD;
187 }
188
189 return ret;
190}
191
192static irqreturn_t byt_irq_thread(int irq, void *context)
193{
194 struct snd_sof_dev *sdev = context;
195 u64 ipcx, ipcd;
196
197 ipcx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCX);
198 ipcd = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCD);
199
200
201 if (ipcx & SHIM_BYT_IPCX_DONE) {
202
203 spin_lock_irq(&sdev->ipc_lock);
204
205
206
207
208
209
210
211
212 byt_get_reply(sdev);
213 snd_sof_ipc_reply(sdev, ipcx);
214
215 byt_dsp_done(sdev);
216
217 spin_unlock_irq(&sdev->ipc_lock);
218 }
219
220
221 if (ipcd & SHIM_BYT_IPCD_BUSY) {
222
223
224 if ((ipcd & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
225 snd_sof_dsp_panic(sdev, BYT_PANIC_OFFSET(ipcd) +
226 MBOX_OFFSET);
227 } else {
228 snd_sof_ipc_msgs_rx(sdev);
229 }
230
231 byt_host_done(sdev);
232 }
233
234 return IRQ_HANDLED;
235}
236
237static int byt_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
238{
239
240 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX,
241 SHIM_IMRX_DONE, 0);
242
243
244 sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
245 msg->msg_size);
246 snd_sof_dsp_write64(sdev, BYT_DSP_BAR, SHIM_IPCX, SHIM_BYT_IPCX_BUSY);
247
248 return 0;
249}
250
251static void byt_get_reply(struct snd_sof_dev *sdev)
252{
253 struct snd_sof_ipc_msg *msg = sdev->msg;
254 struct sof_ipc_reply reply;
255 int ret = 0;
256
257
258
259
260
261
262 if (!msg) {
263 dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n");
264 return;
265 }
266
267
268 sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
269
270 if (reply.error < 0) {
271 memcpy(msg->reply_data, &reply, sizeof(reply));
272 ret = reply.error;
273 } else {
274
275 if (reply.hdr.size != msg->reply_size) {
276 dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
277 msg->reply_size, reply.hdr.size);
278 ret = -EINVAL;
279 }
280
281
282 if (msg->reply_size > 0)
283 sof_mailbox_read(sdev, sdev->host_box.offset,
284 msg->reply_data, msg->reply_size);
285 }
286
287 msg->reply_error = ret;
288}
289
290static int byt_get_mailbox_offset(struct snd_sof_dev *sdev)
291{
292 return MBOX_OFFSET;
293}
294
295static int byt_get_window_offset(struct snd_sof_dev *sdev, u32 id)
296{
297 return MBOX_OFFSET;
298}
299
300static void byt_host_done(struct snd_sof_dev *sdev)
301{
302
303 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IPCD,
304 SHIM_BYT_IPCD_BUSY |
305 SHIM_BYT_IPCD_DONE,
306 SHIM_BYT_IPCD_DONE);
307
308
309 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX,
310 SHIM_IMRX_BUSY, 0);
311}
312
313static void byt_dsp_done(struct snd_sof_dev *sdev)
314{
315
316 snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IPCX,
317 SHIM_BYT_IPCX_DONE, 0);
318}
319
320
321
322
323
324static int byt_run(struct snd_sof_dev *sdev)
325{
326 int tries = 10;
327
328
329 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR,
330 SHIM_BYT_CSR_STALL, 0x0);
331 while (tries--) {
332 if (!(snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_CSR) &
333 SHIM_BYT_CSR_PWAITMODE))
334 break;
335 msleep(100);
336 }
337 if (tries < 0) {
338 dev_err(sdev->dev, "error: unable to run DSP firmware\n");
339 byt_dump(sdev, SOF_DBG_REGS | SOF_DBG_MBOX);
340 return -ENODEV;
341 }
342
343
344 return 1;
345}
346
347static int byt_reset(struct snd_sof_dev *sdev)
348{
349
350 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR,
351 SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL |
352 SHIM_BYT_CSR_STALL,
353 SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL |
354 SHIM_BYT_CSR_STALL);
355
356 usleep_range(10, 15);
357
358
359 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR,
360 SHIM_BYT_CSR_RST, 0);
361
362 return 0;
363}
364
365static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
366 const char *sof_tplg_filename,
367 const char *ssp_str)
368{
369 const char *tplg_filename = NULL;
370 char *filename;
371 char *split_ext;
372
373 filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL);
374 if (!filename)
375 return NULL;
376
377
378 split_ext = strsep(&filename, ".");
379 if (split_ext) {
380 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
381 "%s-%s.tplg",
382 split_ext, ssp_str);
383 if (!tplg_filename)
384 return NULL;
385 }
386 return tplg_filename;
387}
388
389static void byt_machine_select(struct snd_sof_dev *sdev)
390{
391 struct snd_sof_pdata *sof_pdata = sdev->pdata;
392 const struct sof_dev_desc *desc = sof_pdata->desc;
393 struct snd_soc_acpi_mach *mach;
394 struct platform_device *pdev;
395 const char *tplg_filename;
396
397 mach = snd_soc_acpi_find_machine(desc->machines);
398 if (!mach) {
399 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
400 return;
401 }
402
403 pdev = to_platform_device(sdev->dev);
404 if (soc_intel_is_byt_cr(pdev)) {
405 dev_dbg(sdev->dev,
406 "BYT-CR detected, SSP0 used instead of SSP2\n");
407
408 tplg_filename = fixup_tplg_name(sdev,
409 mach->sof_tplg_filename,
410 "ssp0");
411 } else {
412 tplg_filename = mach->sof_tplg_filename;
413 }
414
415 if (!tplg_filename) {
416 dev_dbg(sdev->dev,
417 "error: no topology filename\n");
418 return;
419 }
420
421 sof_pdata->tplg_filename = tplg_filename;
422 mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
423 sof_pdata->machine = mach;
424}
425
426static void byt_set_mach_params(const struct snd_soc_acpi_mach *mach,
427 struct device *dev)
428{
429 struct snd_soc_acpi_mach_params *mach_params;
430
431 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
432 mach_params->platform = dev_name(dev);
433}
434
435
436static struct snd_soc_dai_driver byt_dai[] = {
437{
438 .name = "ssp0-port",
439 .playback = {
440 .channels_min = 1,
441 .channels_max = 8,
442 },
443 .capture = {
444 .channels_min = 1,
445 .channels_max = 8,
446 },
447},
448{
449 .name = "ssp1-port",
450 .playback = {
451 .channels_min = 1,
452 .channels_max = 8,
453 },
454 .capture = {
455 .channels_min = 1,
456 .channels_max = 8,
457 },
458},
459{
460 .name = "ssp2-port",
461 .playback = {
462 .channels_min = 1,
463 .channels_max = 8,
464 },
465 .capture = {
466 .channels_min = 1,
467 .channels_max = 8,
468 }
469},
470{
471 .name = "ssp3-port",
472 .playback = {
473 .channels_min = 1,
474 .channels_max = 8,
475 },
476 .capture = {
477 .channels_min = 1,
478 .channels_max = 8,
479 },
480},
481{
482 .name = "ssp4-port",
483 .playback = {
484 .channels_min = 1,
485 .channels_max = 8,
486 },
487 .capture = {
488 .channels_min = 1,
489 .channels_max = 8,
490 },
491},
492{
493 .name = "ssp5-port",
494 .playback = {
495 .channels_min = 1,
496 .channels_max = 8,
497 },
498 .capture = {
499 .channels_min = 1,
500 .channels_max = 8,
501 },
502},
503};
504
505
506
507
508
509#if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
510
511static int tangier_pci_probe(struct snd_sof_dev *sdev)
512{
513 struct snd_sof_pdata *pdata = sdev->pdata;
514 const struct sof_dev_desc *desc = pdata->desc;
515 struct pci_dev *pci = to_pci_dev(sdev->dev);
516 u32 base, size;
517 int ret;
518
519
520 ret = dma_coerce_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31));
521 if (ret < 0) {
522 dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret);
523 return ret;
524 }
525
526
527 base = pci_resource_start(pci, desc->resindex_lpe_base) - IRAM_OFFSET;
528 size = BYT_PCI_BAR_SIZE;
529
530 dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);
531 sdev->bar[BYT_DSP_BAR] = devm_ioremap(sdev->dev, base, size);
532 if (!sdev->bar[BYT_DSP_BAR]) {
533 dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n",
534 base, size);
535 return -ENODEV;
536 }
537 dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BYT_DSP_BAR]);
538
539
540 if (desc->resindex_imr_base == -1)
541 goto irq;
542
543 base = pci_resource_start(pci, desc->resindex_imr_base);
544 size = pci_resource_len(pci, desc->resindex_imr_base);
545
546
547 if (base == 0x55aa55aa || base == 0x0) {
548 dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n");
549 goto irq;
550 }
551
552 dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size);
553 sdev->bar[BYT_IMR_BAR] = devm_ioremap(sdev->dev, base, size);
554 if (!sdev->bar[BYT_IMR_BAR]) {
555 dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n",
556 base, size);
557 return -ENODEV;
558 }
559 dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[BYT_IMR_BAR]);
560
561irq:
562
563 sdev->ipc_irq = pci->irq;
564 dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);
565 ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,
566 byt_irq_handler, byt_irq_thread,
567 0, "AudioDSP", sdev);
568 if (ret < 0) {
569 dev_err(sdev->dev, "error: failed to register IRQ %d\n",
570 sdev->ipc_irq);
571 return ret;
572 }
573
574
575 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX,
576 SHIM_IMRX_BUSY | SHIM_IMRX_DONE,
577 SHIM_IMRX_DONE);
578
579
580 sdev->dsp_box.offset = MBOX_OFFSET;
581
582 return ret;
583}
584
585const struct snd_sof_dsp_ops sof_tng_ops = {
586
587 .probe = tangier_pci_probe,
588
589
590 .run = byt_run,
591 .reset = byt_reset,
592
593
594 .write = sof_io_write,
595 .read = sof_io_read,
596 .write64 = sof_io_write64,
597 .read64 = sof_io_read64,
598
599
600 .block_read = sof_block_read,
601 .block_write = sof_block_write,
602
603
604 .irq_handler = byt_irq_handler,
605 .irq_thread = byt_irq_thread,
606
607
608 .send_msg = byt_send_msg,
609 .fw_ready = sof_fw_ready,
610 .get_mailbox_offset = byt_get_mailbox_offset,
611 .get_window_offset = byt_get_window_offset,
612
613 .ipc_msg_data = intel_ipc_msg_data,
614 .ipc_pcm_params = intel_ipc_pcm_params,
615
616
617 .machine_select = byt_machine_select,
618 .machine_register = sof_machine_register,
619 .machine_unregister = sof_machine_unregister,
620 .set_mach_params = byt_set_mach_params,
621
622
623 .debug_map = byt_debugfs,
624 .debug_map_count = ARRAY_SIZE(byt_debugfs),
625 .dbg_dump = byt_dump,
626
627
628 .pcm_open = intel_pcm_open,
629 .pcm_close = intel_pcm_close,
630
631
632 .load_module = snd_sof_parse_module_memcpy,
633
634
635 .load_firmware = snd_sof_load_firmware_memcpy,
636
637
638 .drv = byt_dai,
639 .num_drv = 3,
640
641
642 .hw_info = SNDRV_PCM_INFO_MMAP |
643 SNDRV_PCM_INFO_MMAP_VALID |
644 SNDRV_PCM_INFO_INTERLEAVED |
645 SNDRV_PCM_INFO_PAUSE |
646 SNDRV_PCM_INFO_BATCH,
647
648 .arch_ops = &sof_xtensa_arch_ops,
649};
650EXPORT_SYMBOL_NS(sof_tng_ops, SND_SOC_SOF_MERRIFIELD);
651
652const struct sof_intel_dsp_desc tng_chip_info = {
653 .cores_num = 1,
654 .host_managed_cores_mask = 1,
655};
656EXPORT_SYMBOL_NS(tng_chip_info, SND_SOC_SOF_MERRIFIELD);
657
658#endif
659
660#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
661
662static void byt_reset_dsp_disable_int(struct snd_sof_dev *sdev)
663{
664
665 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, 0x3, 0x3);
666 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRD, 0x3, 0x3);
667
668
669 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR,
670 SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL,
671 SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL);
672}
673
674static int byt_suspend(struct snd_sof_dev *sdev, u32 target_state)
675{
676 byt_reset_dsp_disable_int(sdev);
677
678 return 0;
679}
680
681static int byt_resume(struct snd_sof_dev *sdev)
682{
683
684 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX,
685 SHIM_IMRX_BUSY | SHIM_IMRX_DONE,
686 SHIM_IMRX_DONE);
687
688 return 0;
689}
690
691static int byt_remove(struct snd_sof_dev *sdev)
692{
693 byt_reset_dsp_disable_int(sdev);
694
695 return 0;
696}
697
698static const struct snd_sof_debugfs_map cht_debugfs[] = {
699 {"dmac0", BYT_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
700 SOF_DEBUGFS_ACCESS_ALWAYS},
701 {"dmac1", BYT_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
702 SOF_DEBUGFS_ACCESS_ALWAYS},
703 {"dmac2", BYT_DSP_BAR, DMAC2_OFFSET, DMAC_SIZE,
704 SOF_DEBUGFS_ACCESS_ALWAYS},
705 {"ssp0", BYT_DSP_BAR, SSP0_OFFSET, SSP_SIZE,
706 SOF_DEBUGFS_ACCESS_ALWAYS},
707 {"ssp1", BYT_DSP_BAR, SSP1_OFFSET, SSP_SIZE,
708 SOF_DEBUGFS_ACCESS_ALWAYS},
709 {"ssp2", BYT_DSP_BAR, SSP2_OFFSET, SSP_SIZE,
710 SOF_DEBUGFS_ACCESS_ALWAYS},
711 {"ssp3", BYT_DSP_BAR, SSP3_OFFSET, SSP_SIZE,
712 SOF_DEBUGFS_ACCESS_ALWAYS},
713 {"ssp4", BYT_DSP_BAR, SSP4_OFFSET, SSP_SIZE,
714 SOF_DEBUGFS_ACCESS_ALWAYS},
715 {"ssp5", BYT_DSP_BAR, SSP5_OFFSET, SSP_SIZE,
716 SOF_DEBUGFS_ACCESS_ALWAYS},
717 {"iram", BYT_DSP_BAR, IRAM_OFFSET, IRAM_SIZE,
718 SOF_DEBUGFS_ACCESS_D0_ONLY},
719 {"dram", BYT_DSP_BAR, DRAM_OFFSET, DRAM_SIZE,
720 SOF_DEBUGFS_ACCESS_D0_ONLY},
721 {"shim", BYT_DSP_BAR, SHIM_OFFSET, SHIM_SIZE_CHT,
722 SOF_DEBUGFS_ACCESS_ALWAYS},
723};
724
725static int byt_acpi_probe(struct snd_sof_dev *sdev)
726{
727 struct snd_sof_pdata *pdata = sdev->pdata;
728 const struct sof_dev_desc *desc = pdata->desc;
729 struct platform_device *pdev =
730 container_of(sdev->dev, struct platform_device, dev);
731 struct resource *mmio;
732 u32 base, size;
733 int ret;
734
735
736 ret = dma_coerce_mask_and_coherent(sdev->dev, DMA_BIT_MASK(31));
737 if (ret < 0) {
738 dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret);
739 return ret;
740 }
741
742
743 mmio = platform_get_resource(pdev, IORESOURCE_MEM,
744 desc->resindex_lpe_base);
745 if (mmio) {
746 base = mmio->start;
747 size = resource_size(mmio);
748 } else {
749 dev_err(sdev->dev, "error: failed to get LPE base at idx %d\n",
750 desc->resindex_lpe_base);
751 return -EINVAL;
752 }
753
754 dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);
755 sdev->bar[BYT_DSP_BAR] = devm_ioremap(sdev->dev, base, size);
756 if (!sdev->bar[BYT_DSP_BAR]) {
757 dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n",
758 base, size);
759 return -ENODEV;
760 }
761 dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BYT_DSP_BAR]);
762
763
764 sdev->mmio_bar = BYT_DSP_BAR;
765 sdev->mailbox_bar = BYT_DSP_BAR;
766
767
768 if (desc->resindex_imr_base == -1)
769 goto irq;
770
771 mmio = platform_get_resource(pdev, IORESOURCE_MEM,
772 desc->resindex_imr_base);
773 if (mmio) {
774 base = mmio->start;
775 size = resource_size(mmio);
776 } else {
777 dev_err(sdev->dev, "error: failed to get IMR base at idx %d\n",
778 desc->resindex_imr_base);
779 return -ENODEV;
780 }
781
782
783 if (base == 0x55aa55aa || base == 0x0) {
784 dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n");
785 goto irq;
786 }
787
788 dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size);
789 sdev->bar[BYT_IMR_BAR] = devm_ioremap(sdev->dev, base, size);
790 if (!sdev->bar[BYT_IMR_BAR]) {
791 dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n",
792 base, size);
793 return -ENODEV;
794 }
795 dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[BYT_IMR_BAR]);
796
797irq:
798
799 sdev->ipc_irq = platform_get_irq(pdev, desc->irqindex_host_ipc);
800 if (sdev->ipc_irq < 0)
801 return sdev->ipc_irq;
802
803 dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);
804 ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,
805 byt_irq_handler, byt_irq_thread,
806 IRQF_SHARED, "AudioDSP", sdev);
807 if (ret < 0) {
808 dev_err(sdev->dev, "error: failed to register IRQ %d\n",
809 sdev->ipc_irq);
810 return ret;
811 }
812
813
814 snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX,
815 SHIM_IMRX_BUSY | SHIM_IMRX_DONE,
816 SHIM_IMRX_DONE);
817
818
819 sdev->dsp_box.offset = MBOX_OFFSET;
820
821 return ret;
822}
823
824
825const struct snd_sof_dsp_ops sof_byt_ops = {
826
827 .probe = byt_acpi_probe,
828 .remove = byt_remove,
829
830
831 .run = byt_run,
832 .reset = byt_reset,
833
834
835 .write = sof_io_write,
836 .read = sof_io_read,
837 .write64 = sof_io_write64,
838 .read64 = sof_io_read64,
839
840
841 .block_read = sof_block_read,
842 .block_write = sof_block_write,
843
844
845 .irq_handler = byt_irq_handler,
846 .irq_thread = byt_irq_thread,
847
848
849 .send_msg = byt_send_msg,
850 .fw_ready = sof_fw_ready,
851 .get_mailbox_offset = byt_get_mailbox_offset,
852 .get_window_offset = byt_get_window_offset,
853
854 .ipc_msg_data = intel_ipc_msg_data,
855 .ipc_pcm_params = intel_ipc_pcm_params,
856
857
858 .machine_select = byt_machine_select,
859 .machine_register = sof_machine_register,
860 .machine_unregister = sof_machine_unregister,
861 .set_mach_params = byt_set_mach_params,
862
863
864 .debug_map = byt_debugfs,
865 .debug_map_count = ARRAY_SIZE(byt_debugfs),
866 .dbg_dump = byt_dump,
867
868
869 .pcm_open = intel_pcm_open,
870 .pcm_close = intel_pcm_close,
871
872
873 .load_module = snd_sof_parse_module_memcpy,
874
875
876 .load_firmware = snd_sof_load_firmware_memcpy,
877
878
879 .suspend = byt_suspend,
880 .resume = byt_resume,
881
882
883 .drv = byt_dai,
884 .num_drv = 3,
885
886
887 .hw_info = SNDRV_PCM_INFO_MMAP |
888 SNDRV_PCM_INFO_MMAP_VALID |
889 SNDRV_PCM_INFO_INTERLEAVED |
890 SNDRV_PCM_INFO_PAUSE |
891 SNDRV_PCM_INFO_BATCH,
892
893 .arch_ops = &sof_xtensa_arch_ops,
894};
895EXPORT_SYMBOL_NS(sof_byt_ops, SND_SOC_SOF_BAYTRAIL);
896
897const struct sof_intel_dsp_desc byt_chip_info = {
898 .cores_num = 1,
899 .host_managed_cores_mask = 1,
900};
901EXPORT_SYMBOL_NS(byt_chip_info, SND_SOC_SOF_BAYTRAIL);
902
903
904const struct snd_sof_dsp_ops sof_cht_ops = {
905
906 .probe = byt_acpi_probe,
907 .remove = byt_remove,
908
909
910 .run = byt_run,
911 .reset = byt_reset,
912
913
914 .write = sof_io_write,
915 .read = sof_io_read,
916 .write64 = sof_io_write64,
917 .read64 = sof_io_read64,
918
919
920 .block_read = sof_block_read,
921 .block_write = sof_block_write,
922
923
924 .irq_handler = byt_irq_handler,
925 .irq_thread = byt_irq_thread,
926
927
928 .send_msg = byt_send_msg,
929 .fw_ready = sof_fw_ready,
930 .get_mailbox_offset = byt_get_mailbox_offset,
931 .get_window_offset = byt_get_window_offset,
932
933 .ipc_msg_data = intel_ipc_msg_data,
934 .ipc_pcm_params = intel_ipc_pcm_params,
935
936
937 .machine_select = byt_machine_select,
938 .machine_register = sof_machine_register,
939 .machine_unregister = sof_machine_unregister,
940 .set_mach_params = byt_set_mach_params,
941
942
943 .debug_map = cht_debugfs,
944 .debug_map_count = ARRAY_SIZE(cht_debugfs),
945 .dbg_dump = byt_dump,
946
947
948 .pcm_open = intel_pcm_open,
949 .pcm_close = intel_pcm_close,
950
951
952 .load_module = snd_sof_parse_module_memcpy,
953
954
955 .load_firmware = snd_sof_load_firmware_memcpy,
956
957
958 .suspend = byt_suspend,
959 .resume = byt_resume,
960
961
962 .drv = byt_dai,
963
964 .num_drv = ARRAY_SIZE(byt_dai),
965
966
967 .hw_info = SNDRV_PCM_INFO_MMAP |
968 SNDRV_PCM_INFO_MMAP_VALID |
969 SNDRV_PCM_INFO_INTERLEAVED |
970 SNDRV_PCM_INFO_PAUSE |
971 SNDRV_PCM_INFO_BATCH,
972
973 .arch_ops = &sof_xtensa_arch_ops,
974};
975EXPORT_SYMBOL_NS(sof_cht_ops, SND_SOC_SOF_BAYTRAIL);
976
977const struct sof_intel_dsp_desc cht_chip_info = {
978 .cores_num = 1,
979 .host_managed_cores_mask = 1,
980};
981EXPORT_SYMBOL_NS(cht_chip_info, SND_SOC_SOF_BAYTRAIL);
982
983#endif
984
985MODULE_LICENSE("Dual BSD/GPL");
986MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
987MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
988