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21#include <linux/module.h>
22#include <linux/fs.h>
23#include <linux/interrupt.h>
24#include <linux/slab.h>
25#include <linux/io.h>
26#include <linux/miscdevice.h>
27#include <linux/platform_device.h>
28#include <linux/firmware.h>
29#include <linux/pm_runtime.h>
30#include <linux/pm_qos.h>
31#include <linux/dmi.h>
32#include <linux/acpi.h>
33#include <asm/platform_sst_audio.h>
34#include <sound/core.h>
35#include <sound/soc.h>
36#include <sound/compress_driver.h>
37#include <acpi/acbuffer.h>
38#include <acpi/platform/acenv.h>
39#include <acpi/platform/aclinux.h>
40#include <acpi/actypes.h>
41#include <acpi/acpi_bus.h>
42#include <asm/cpu_device_id.h>
43#include <asm/iosf_mbi.h>
44#include "../sst-mfld-platform.h"
45#include "../../common/sst-dsp.h"
46#include "../../common/sst-acpi.h"
47#include "sst.h"
48
49
50#define SST_BYT_IRAM_PHY_START 0xff2c0000
51#define SST_BYT_IRAM_PHY_END 0xff2d4000
52#define SST_BYT_DRAM_PHY_START 0xff300000
53#define SST_BYT_DRAM_PHY_END 0xff320000
54#define SST_BYT_IMR_VIRT_START 0xc0000000
55#define SST_BYT_IMR_VIRT_END 0xc01fffff
56#define SST_BYT_SHIM_PHY_ADDR 0xff340000
57#define SST_BYT_MBOX_PHY_ADDR 0xff344000
58#define SST_BYT_DMA0_PHY_ADDR 0xff298000
59#define SST_BYT_DMA1_PHY_ADDR 0xff29c000
60#define SST_BYT_SSP0_PHY_ADDR 0xff2a0000
61#define SST_BYT_SSP2_PHY_ADDR 0xff2a2000
62
63#define BYT_FW_MOD_TABLE_OFFSET 0x80000
64#define BYT_FW_MOD_TABLE_SIZE 0x100
65#define BYT_FW_MOD_OFFSET (BYT_FW_MOD_TABLE_OFFSET + BYT_FW_MOD_TABLE_SIZE)
66
67static const struct sst_info byt_fwparse_info = {
68 .use_elf = false,
69 .max_streams = 25,
70 .iram_start = SST_BYT_IRAM_PHY_START,
71 .iram_end = SST_BYT_IRAM_PHY_END,
72 .iram_use = true,
73 .dram_start = SST_BYT_DRAM_PHY_START,
74 .dram_end = SST_BYT_DRAM_PHY_END,
75 .dram_use = true,
76 .imr_start = SST_BYT_IMR_VIRT_START,
77 .imr_end = SST_BYT_IMR_VIRT_END,
78 .imr_use = true,
79 .mailbox_start = SST_BYT_MBOX_PHY_ADDR,
80 .num_probes = 0,
81 .lpe_viewpt_rqd = true,
82};
83
84static const struct sst_ipc_info byt_ipc_info = {
85 .ipc_offset = 0,
86 .mbox_recv_off = 0x400,
87};
88
89static const struct sst_lib_dnld_info byt_lib_dnld_info = {
90 .mod_base = SST_BYT_IMR_VIRT_START,
91 .mod_end = SST_BYT_IMR_VIRT_END,
92 .mod_table_offset = BYT_FW_MOD_TABLE_OFFSET,
93 .mod_table_size = BYT_FW_MOD_TABLE_SIZE,
94 .mod_ddr_dnld = false,
95};
96
97static const struct sst_res_info byt_rvp_res_info = {
98 .shim_offset = 0x140000,
99 .shim_size = 0x000100,
100 .shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
101 .ssp0_offset = 0xa0000,
102 .ssp0_size = 0x1000,
103 .dma0_offset = 0x98000,
104 .dma0_size = 0x4000,
105 .dma1_offset = 0x9c000,
106 .dma1_size = 0x4000,
107 .iram_offset = 0x0c0000,
108 .iram_size = 0x14000,
109 .dram_offset = 0x100000,
110 .dram_size = 0x28000,
111 .mbox_offset = 0x144000,
112 .mbox_size = 0x1000,
113 .acpi_lpe_res_index = 0,
114 .acpi_ddr_index = 2,
115 .acpi_ipc_irq_index = 5,
116};
117
118
119static const struct sst_res_info bytcr_res_info = {
120 .shim_offset = 0x140000,
121 .shim_size = 0x000100,
122 .shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
123 .ssp0_offset = 0xa0000,
124 .ssp0_size = 0x1000,
125 .dma0_offset = 0x98000,
126 .dma0_size = 0x4000,
127 .dma1_offset = 0x9c000,
128 .dma1_size = 0x4000,
129 .iram_offset = 0x0c0000,
130 .iram_size = 0x14000,
131 .dram_offset = 0x100000,
132 .dram_size = 0x28000,
133 .mbox_offset = 0x144000,
134 .mbox_size = 0x1000,
135 .acpi_lpe_res_index = 0,
136 .acpi_ddr_index = 2,
137 .acpi_ipc_irq_index = 0
138};
139
140static struct sst_platform_info byt_rvp_platform_data = {
141 .probe_data = &byt_fwparse_info,
142 .ipc_info = &byt_ipc_info,
143 .lib_info = &byt_lib_dnld_info,
144 .res_info = &byt_rvp_res_info,
145 .platform = "sst-mfld-platform",
146};
147
148
149
150
151static struct sst_platform_info chv_platform_data = {
152 .probe_data = &byt_fwparse_info,
153 .ipc_info = &byt_ipc_info,
154 .lib_info = &byt_lib_dnld_info,
155 .res_info = &byt_rvp_res_info,
156 .platform = "sst-mfld-platform",
157};
158
159static int sst_platform_get_resources(struct intel_sst_drv *ctx)
160{
161 struct resource *rsrc;
162 struct platform_device *pdev = to_platform_device(ctx->dev);
163
164
165
166 rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
167 ctx->pdata->res_info->acpi_lpe_res_index);
168 if (!rsrc) {
169 dev_err(ctx->dev, "Invalid SHIM base from IFWI\n");
170 return -EIO;
171 }
172 dev_info(ctx->dev, "LPE base: %#x size:%#x", (unsigned int) rsrc->start,
173 (unsigned int)resource_size(rsrc));
174
175 ctx->iram_base = rsrc->start + ctx->pdata->res_info->iram_offset;
176 ctx->iram_end = ctx->iram_base + ctx->pdata->res_info->iram_size - 1;
177 dev_info(ctx->dev, "IRAM base: %#x", ctx->iram_base);
178 ctx->iram = devm_ioremap_nocache(ctx->dev, ctx->iram_base,
179 ctx->pdata->res_info->iram_size);
180 if (!ctx->iram) {
181 dev_err(ctx->dev, "unable to map IRAM\n");
182 return -EIO;
183 }
184
185 ctx->dram_base = rsrc->start + ctx->pdata->res_info->dram_offset;
186 ctx->dram_end = ctx->dram_base + ctx->pdata->res_info->dram_size - 1;
187 dev_info(ctx->dev, "DRAM base: %#x", ctx->dram_base);
188 ctx->dram = devm_ioremap_nocache(ctx->dev, ctx->dram_base,
189 ctx->pdata->res_info->dram_size);
190 if (!ctx->dram) {
191 dev_err(ctx->dev, "unable to map DRAM\n");
192 return -EIO;
193 }
194
195 ctx->shim_phy_add = rsrc->start + ctx->pdata->res_info->shim_offset;
196 dev_info(ctx->dev, "SHIM base: %#x", ctx->shim_phy_add);
197 ctx->shim = devm_ioremap_nocache(ctx->dev, ctx->shim_phy_add,
198 ctx->pdata->res_info->shim_size);
199 if (!ctx->shim) {
200 dev_err(ctx->dev, "unable to map SHIM\n");
201 return -EIO;
202 }
203
204
205 ctx->shim_phy_add = ctx->pdata->res_info->shim_phy_addr;
206
207
208 ctx->mailbox_add = rsrc->start + ctx->pdata->res_info->mbox_offset;
209 dev_info(ctx->dev, "Mailbox base: %#x", ctx->mailbox_add);
210 ctx->mailbox = devm_ioremap_nocache(ctx->dev, ctx->mailbox_add,
211 ctx->pdata->res_info->mbox_size);
212 if (!ctx->mailbox) {
213 dev_err(ctx->dev, "unable to map mailbox\n");
214 return -EIO;
215 }
216
217
218 ctx->mailbox_add = ctx->info.mailbox_start;
219
220 rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
221 ctx->pdata->res_info->acpi_ddr_index);
222 if (!rsrc) {
223 dev_err(ctx->dev, "Invalid DDR base from IFWI\n");
224 return -EIO;
225 }
226 ctx->ddr_base = rsrc->start;
227 ctx->ddr_end = rsrc->end;
228 dev_info(ctx->dev, "DDR base: %#x", ctx->ddr_base);
229 ctx->ddr = devm_ioremap_nocache(ctx->dev, ctx->ddr_base,
230 resource_size(rsrc));
231 if (!ctx->ddr) {
232 dev_err(ctx->dev, "unable to map DDR\n");
233 return -EIO;
234 }
235
236
237 ctx->irq_num = platform_get_irq(pdev,
238 ctx->pdata->res_info->acpi_ipc_irq_index);
239 return 0;
240}
241
242
243static int is_byt_cr(struct device *dev, bool *bytcr)
244{
245 int status = 0;
246
247 if (IS_ENABLED(CONFIG_IOSF_MBI)) {
248 static const struct x86_cpu_id cpu_ids[] = {
249 { X86_VENDOR_INTEL, 6, 55 },
250 {}
251 };
252 u32 bios_status;
253
254 if (!x86_match_cpu(cpu_ids) || !iosf_mbi_available()) {
255
256 return status;
257 }
258
259 status = iosf_mbi_read(BT_MBI_UNIT_PMC,
260 MBI_REG_READ,
261 0x006,
262 &bios_status);
263
264 if (status) {
265 dev_err(dev, "could not read PUNIT BIOS_CONFIG\n");
266 } else {
267
268 bios_status = (bios_status >> 26) & 3;
269
270 if ((bios_status == 1) || (bios_status == 3))
271 *bytcr = true;
272 else
273 dev_info(dev, "BYT-CR not detected\n");
274 }
275 } else {
276 dev_info(dev, "IOSF_MBI not enabled, no BYT-CR detection\n");
277 }
278 return status;
279}
280
281
282static int sst_acpi_probe(struct platform_device *pdev)
283{
284 struct device *dev = &pdev->dev;
285 int ret = 0;
286 struct intel_sst_drv *ctx;
287 const struct acpi_device_id *id;
288 struct sst_acpi_mach *mach;
289 struct platform_device *mdev;
290 struct platform_device *plat_dev;
291 struct sst_platform_info *pdata;
292 unsigned int dev_id;
293 bool bytcr = false;
294
295 id = acpi_match_device(dev->driver->acpi_match_table, dev);
296 if (!id)
297 return -ENODEV;
298 dev_dbg(dev, "for %s\n", id->id);
299
300 mach = (struct sst_acpi_mach *)id->driver_data;
301 mach = sst_acpi_find_machine(mach);
302 if (mach == NULL) {
303 dev_err(dev, "No matching machine driver found\n");
304 return -ENODEV;
305 }
306
307 pdata = mach->pdata;
308
309 ret = kstrtouint(id->id, 16, &dev_id);
310 if (ret < 0) {
311 dev_err(dev, "Unique device id conversion error: %d\n", ret);
312 return ret;
313 }
314
315 dev_dbg(dev, "ACPI device id: %x\n", dev_id);
316
317 ret = sst_alloc_drv_context(&ctx, dev, dev_id);
318 if (ret < 0)
319 return ret;
320
321 ret = is_byt_cr(dev, &bytcr);
322 if (!((ret < 0) || (bytcr == false))) {
323 dev_info(dev, "Detected Baytrail-CR platform\n");
324
325
326 byt_rvp_platform_data.res_info = &bytcr_res_info;
327 }
328
329 plat_dev = platform_device_register_data(dev, pdata->platform, -1,
330 NULL, 0);
331 if (IS_ERR(plat_dev)) {
332 dev_err(dev, "Failed to create machine device: %s\n",
333 pdata->platform);
334 return PTR_ERR(plat_dev);
335 }
336
337
338
339
340
341 mdev = platform_device_register_data(dev, mach->drv_name, -1,
342 (const void *)mach, sizeof(*mach));
343 if (IS_ERR(mdev)) {
344 dev_err(dev, "Failed to create machine device: %s\n",
345 mach->drv_name);
346 return PTR_ERR(mdev);
347 }
348
349
350 ctx->pdata = pdata;
351 strcpy(ctx->firmware_name, mach->fw_filename);
352
353 ret = sst_platform_get_resources(ctx);
354 if (ret)
355 return ret;
356
357 ret = sst_context_init(ctx);
358 if (ret < 0)
359 return ret;
360
361 sst_configure_runtime_pm(ctx);
362 platform_set_drvdata(pdev, ctx);
363 return ret;
364}
365
366
367
368
369
370
371
372
373
374static int sst_acpi_remove(struct platform_device *pdev)
375{
376 struct intel_sst_drv *ctx;
377
378 ctx = platform_get_drvdata(pdev);
379 sst_context_cleanup(ctx);
380 platform_set_drvdata(pdev, NULL);
381 return 0;
382}
383
384static unsigned long cht_machine_id;
385
386#define CHT_SURFACE_MACH 1
387#define BYT_THINKPAD_10 2
388
389static int cht_surface_quirk_cb(const struct dmi_system_id *id)
390{
391 cht_machine_id = CHT_SURFACE_MACH;
392 return 1;
393}
394
395static int byt_thinkpad10_quirk_cb(const struct dmi_system_id *id)
396{
397 cht_machine_id = BYT_THINKPAD_10;
398 return 1;
399}
400
401
402static const struct dmi_system_id byt_table[] = {
403 {
404 .callback = byt_thinkpad10_quirk_cb,
405 .matches = {
406 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
407 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad 10"),
408 },
409 },
410 {
411 .callback = byt_thinkpad10_quirk_cb,
412 .matches = {
413 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
414 DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Tablet B"),
415 },
416 },
417 {
418 .callback = byt_thinkpad10_quirk_cb,
419 .matches = {
420 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
421 DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Miix 2 10"),
422 },
423 },
424 { }
425};
426
427static const struct dmi_system_id cht_table[] = {
428 {
429 .callback = cht_surface_quirk_cb,
430 .matches = {
431 DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
432 DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"),
433 },
434 },
435 { }
436};
437
438
439static struct sst_acpi_mach cht_surface_mach = {
440 .id = "10EC5640",
441 .drv_name = "cht-bsw-rt5645",
442 .fw_filename = "intel/fw_sst_22a8.bin",
443 .board = "cht-bsw",
444 .pdata = &chv_platform_data,
445};
446
447static struct sst_acpi_mach byt_thinkpad_10 = {
448 .id = "10EC5640",
449 .drv_name = "cht-bsw-rt5672",
450 .fw_filename = "intel/fw_sst_0f28.bin",
451 .board = "cht-bsw",
452 .pdata = &byt_rvp_platform_data,
453};
454
455static struct sst_acpi_mach *cht_quirk(void *arg)
456{
457 struct sst_acpi_mach *mach = arg;
458
459 dmi_check_system(cht_table);
460
461 if (cht_machine_id == CHT_SURFACE_MACH)
462 return &cht_surface_mach;
463 else
464 return mach;
465}
466
467static struct sst_acpi_mach *byt_quirk(void *arg)
468{
469 struct sst_acpi_mach *mach = arg;
470
471 dmi_check_system(byt_table);
472
473 if (cht_machine_id == BYT_THINKPAD_10)
474 return &byt_thinkpad_10;
475 else
476 return mach;
477}
478
479
480static struct sst_acpi_mach sst_acpi_bytcr[] = {
481 {
482 .id = "10EC5640",
483 .drv_name = "bytcr_rt5640",
484 .fw_filename = "intel/fw_sst_0f28.bin",
485 .board = "bytcr_rt5640",
486 .machine_quirk = byt_quirk,
487 .pdata = &byt_rvp_platform_data,
488 },
489 {
490 .id = "10EC5642",
491 .drv_name = "bytcr_rt5640",
492 .fw_filename = "intel/fw_sst_0f28.bin",
493 .board = "bytcr_rt5640",
494 .pdata = &byt_rvp_platform_data
495 },
496 {
497 .id = "INTCCFFD",
498 .drv_name = "bytcr_rt5640",
499 .fw_filename = "intel/fw_sst_0f28.bin",
500 .board = "bytcr_rt5640",
501 .pdata = &byt_rvp_platform_data
502 },
503 {
504 .id = "10EC5651",
505 .drv_name = "bytcr_rt5651",
506 .fw_filename = "intel/fw_sst_0f28.bin",
507 .board = "bytcr_rt5651",
508 .pdata = &byt_rvp_platform_data
509 },
510 {
511 .id = "DLGS7212",
512 .drv_name = "bytcht_da7213",
513 .fw_filename = "intel/fw_sst_0f28.bin",
514 .board = "bytcht_da7213",
515 .pdata = &byt_rvp_platform_data
516 },
517 {
518 .id = "DLGS7213",
519 .drv_name = "bytcht_da7213",
520 .fw_filename = "intel/fw_sst_0f28.bin",
521 .board = "bytcht_da7213",
522 .pdata = &byt_rvp_platform_data
523 },
524
525 {
526 .id = "10EC5645",
527 .drv_name = "cht-bsw-rt5645",
528 .fw_filename = "intel/fw_sst_0f28.bin",
529 .board = "cht-bsw",
530 .pdata = &byt_rvp_platform_data
531 },
532 {
533 .id = "10EC5648",
534 .drv_name = "cht-bsw-rt5645",
535 .fw_filename = "intel/fw_sst_0f28.bin",
536 .board = "cht-bsw",
537 .pdata = &byt_rvp_platform_data
538 },
539#if IS_ENABLED(CONFIG_SND_SOC_INTEL_BYT_CHT_NOCODEC_MACH)
540
541
542
543
544 {
545 .id = "80860F28",
546 .drv_name = "bytcht_nocodec",
547 .fw_filename = "intel/fw_sst_0f28.bin",
548 .board = "bytcht_nocodec",
549 .pdata = &byt_rvp_platform_data
550 },
551#endif
552 {},
553};
554
555
556static struct sst_acpi_mach sst_acpi_chv[] = {
557 {
558 .id = "10EC5670",
559 .drv_name = "cht-bsw-rt5672",
560 .fw_filename = "intel/fw_sst_22a8.bin",
561 .board = "cht-bsw",
562 .pdata = &chv_platform_data
563 },
564 {
565 .id = "10EC5672",
566 .drv_name = "cht-bsw-rt5672",
567 .fw_filename = "intel/fw_sst_22a8.bin",
568 .board = "cht-bsw",
569 .pdata = &chv_platform_data
570 },
571 {
572 .id = "10EC5645",
573 .drv_name = "cht-bsw-rt5645",
574 .fw_filename = "intel/fw_sst_22a8.bin",
575 .board = "cht-bsw",
576 .pdata = &chv_platform_data
577 },
578 {
579 .id = "10EC5650",
580 .drv_name = "cht-bsw-rt5645",
581 .fw_filename = "intel/fw_sst_22a8.bin",
582 .board = "cht-bsw",
583 .pdata = &chv_platform_data
584 },
585 {
586 .id = "10EC3270",
587 .drv_name = "cht-bsw-rt5645",
588 .fw_filename = "intel/fw_sst_22a8.bin",
589 .board = "cht-bsw",
590 .pdata = &chv_platform_data
591 },
592
593 {
594 .id = "193C9890",
595 .drv_name = "cht-bsw-max98090",
596 .fw_filename = "intel/fw_sst_22a8.bin",
597 .board = "cht-bsw",
598 .pdata = &chv_platform_data
599 },
600 {
601 .id = "DLGS7212",
602 .drv_name = "bytcht_da7213",
603 .fw_filename = "intel/fw_sst_22a8.bin",
604 .board = "bytcht_da7213",
605 .pdata = &chv_platform_data
606 },
607 {
608 .id = "DLGS7213",
609 .drv_name = "bytcht_da7213",
610 .fw_filename = "intel/fw_sst_22a8.bin",
611 .board = "bytcht_da7213",
612 .pdata = &chv_platform_data
613 },
614 {
615 .id = "ESSX8316",
616 .drv_name = "bytcht_es8316",
617 .fw_filename = "intel/fw_sst_22a8.bin",
618 .board = "bytcht_es8316",
619 .pdata = &chv_platform_data
620 },
621
622 {
623 .id = "10EC5640",
624 .drv_name = "bytcr_rt5640",
625 .fw_filename = "intel/fw_sst_22a8.bin",
626 .board = "bytcr_rt5640",
627 .machine_quirk = cht_quirk,
628 .pdata = &chv_platform_data
629 },
630 {
631 .id = "10EC3276",
632 .drv_name = "bytcr_rt5640",
633 .fw_filename = "intel/fw_sst_22a8.bin",
634 .board = "bytcr_rt5640",
635 .pdata = &chv_platform_data
636 },
637
638 {
639 .id = "10EC5651",
640 .drv_name = "bytcr_rt5651",
641 .fw_filename = "intel/fw_sst_22a8.bin",
642 .board = "bytcr_rt5651",
643 .pdata = &chv_platform_data
644 },
645#if IS_ENABLED(CONFIG_SND_SOC_INTEL_BYT_CHT_NOCODEC_MACH)
646
647
648
649
650 {
651 .id = "808622A8",
652 .drv_name = "bytcht_nocodec",
653 .fw_filename = "intel/fw_sst_22a8.bin",
654 .board = "bytcht_nocodec",
655 .pdata = &chv_platform_data
656 },
657#endif
658 {},
659};
660
661static const struct acpi_device_id sst_acpi_ids[] = {
662 { "80860F28", (unsigned long)&sst_acpi_bytcr},
663 { "808622A8", (unsigned long) &sst_acpi_chv},
664 { },
665};
666
667MODULE_DEVICE_TABLE(acpi, sst_acpi_ids);
668
669static struct platform_driver sst_acpi_driver = {
670 .driver = {
671 .name = "intel_sst_acpi",
672 .acpi_match_table = ACPI_PTR(sst_acpi_ids),
673 .pm = &intel_sst_pm,
674 },
675 .probe = sst_acpi_probe,
676 .remove = sst_acpi_remove,
677};
678
679module_platform_driver(sst_acpi_driver);
680
681MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine ACPI Driver");
682MODULE_AUTHOR("Ramesh Babu K V");
683MODULE_AUTHOR("Omair Mohammed Abdullah");
684MODULE_LICENSE("GPL v2");
685MODULE_ALIAS("sst");
686
