xref: /kernel/linux/linux-5.10/sound/soc/sof/intel/bdw.c (revision 8c2ecf20)
1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2//
3// This file is provided under a dual BSD/GPLv2 license.  When using or
4// redistributing this file, you may do so under either license.
5//
6// Copyright(c) 2018 Intel Corporation. All rights reserved.
7//
8// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9//
10
11/*
12 * Hardware interface for audio DSP on Broadwell
13 */
14
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
22/* BARs */
23#define BDW_DSP_BAR 0
24#define BDW_PCI_BAR 1
25
26/*
27 * Debug
28 */
29
30/* DSP memories for BDW */
31#define IRAM_OFFSET     0xA0000
32#define BDW_IRAM_SIZE       (10 * 32 * 1024)
33#define DRAM_OFFSET     0x00000
34#define BDW_DRAM_SIZE       (20 * 32 * 1024)
35#define SHIM_OFFSET     0xFB000
36#define SHIM_SIZE       0x100
37#define MBOX_OFFSET     0x9E000
38#define MBOX_SIZE       0x1000
39#define MBOX_DUMP_SIZE 0x30
40#define EXCEPT_OFFSET	0x800
41#define EXCEPT_MAX_HDR_SIZE	0x400
42
43/* DSP peripherals */
44#define DMAC0_OFFSET    0xFE000
45#define DMAC1_OFFSET    0xFF000
46#define DMAC_SIZE       0x420
47#define SSP0_OFFSET     0xFC000
48#define SSP1_OFFSET     0xFD000
49#define SSP_SIZE	0x100
50
51#define BDW_STACK_DUMP_SIZE	32
52
53#define BDW_PANIC_OFFSET(x)	((x) & 0xFFFF)
54
55static const struct snd_sof_debugfs_map bdw_debugfs[] = {
56	{"dmac0", BDW_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
57	 SOF_DEBUGFS_ACCESS_ALWAYS},
58	{"dmac1", BDW_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
59	 SOF_DEBUGFS_ACCESS_ALWAYS},
60	{"ssp0", BDW_DSP_BAR, SSP0_OFFSET, SSP_SIZE,
61	 SOF_DEBUGFS_ACCESS_ALWAYS},
62	{"ssp1", BDW_DSP_BAR, SSP1_OFFSET, SSP_SIZE,
63	 SOF_DEBUGFS_ACCESS_ALWAYS},
64	{"iram", BDW_DSP_BAR, IRAM_OFFSET, BDW_IRAM_SIZE,
65	 SOF_DEBUGFS_ACCESS_D0_ONLY},
66	{"dram", BDW_DSP_BAR, DRAM_OFFSET, BDW_DRAM_SIZE,
67	 SOF_DEBUGFS_ACCESS_D0_ONLY},
68	{"shim", BDW_DSP_BAR, SHIM_OFFSET, SHIM_SIZE,
69	 SOF_DEBUGFS_ACCESS_ALWAYS},
70};
71
72static void bdw_host_done(struct snd_sof_dev *sdev);
73static void bdw_dsp_done(struct snd_sof_dev *sdev);
74static void bdw_get_reply(struct snd_sof_dev *sdev);
75
76/*
77 * DSP Control.
78 */
79
80static int bdw_run(struct snd_sof_dev *sdev)
81{
82	/* set opportunistic mode on engine 0,1 for all channels */
83	snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_HMDC,
84				SHIM_HMDC_HDDA_E0_ALLCH |
85				SHIM_HMDC_HDDA_E1_ALLCH, 0);
86
87	/* set DSP to RUN */
88	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
89					 SHIM_CSR_STALL, 0x0);
90
91	/* return init core mask */
92	return 1;
93}
94
95static int bdw_reset(struct snd_sof_dev *sdev)
96{
97	/* put DSP into reset and stall */
98	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
99					 SHIM_CSR_RST | SHIM_CSR_STALL,
100					 SHIM_CSR_RST | SHIM_CSR_STALL);
101
102	/* keep in reset for 10ms */
103	mdelay(10);
104
105	/* take DSP out of reset and keep stalled for FW loading */
106	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
107					 SHIM_CSR_RST | SHIM_CSR_STALL,
108					 SHIM_CSR_STALL);
109
110	return 0;
111}
112
113static int bdw_set_dsp_D0(struct snd_sof_dev *sdev)
114{
115	int tries = 10;
116	u32 reg;
117
118	/* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */
119	snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
120					 PCI_VDRTCL2_DCLCGE |
121					 PCI_VDRTCL2_DTCGE, 0);
122
123	/* Disable D3PG (VDRTCTL0.D3PGD = 1) */
124	snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL0,
125					 PCI_VDRTCL0_D3PGD, PCI_VDRTCL0_D3PGD);
126
127	/* Set D0 state */
128	snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_PMCS,
129					 PCI_PMCS_PS_MASK, 0);
130
131	/* check that ADSP shim is enabled */
132	while (tries--) {
133		reg = readl(sdev->bar[BDW_PCI_BAR] + PCI_PMCS)
134			& PCI_PMCS_PS_MASK;
135		if (reg == 0)
136			goto finish;
137
138		msleep(20);
139	}
140
141	return -ENODEV;
142
143finish:
144	/*
145	 * select SSP1 19.2MHz base clock, SSP clock 0,
146	 * turn off Low Power Clock
147	 */
148	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
149					 SHIM_CSR_S1IOCS | SHIM_CSR_SBCS1 |
150					 SHIM_CSR_LPCS, 0x0);
151
152	/* stall DSP core, set clk to 192/96Mhz */
153	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR,
154					 SHIM_CSR, SHIM_CSR_STALL |
155					 SHIM_CSR_DCS_MASK,
156					 SHIM_CSR_STALL |
157					 SHIM_CSR_DCS(4));
158
159	/* Set 24MHz MCLK, prevent local clock gating, enable SSP0 clock */
160	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CLKCTL,
161					 SHIM_CLKCTL_MASK |
162					 SHIM_CLKCTL_DCPLCG |
163					 SHIM_CLKCTL_SCOE0,
164					 SHIM_CLKCTL_MASK |
165					 SHIM_CLKCTL_DCPLCG |
166					 SHIM_CLKCTL_SCOE0);
167
168	/* Stall and reset core, set CSR */
169	bdw_reset(sdev);
170
171	/* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */
172	snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
173					 PCI_VDRTCL2_DCLCGE |
174					 PCI_VDRTCL2_DTCGE,
175					 PCI_VDRTCL2_DCLCGE |
176					 PCI_VDRTCL2_DTCGE);
177
178	usleep_range(50, 55);
179
180	/* switch on audio PLL */
181	snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
182					 PCI_VDRTCL2_APLLSE_MASK, 0);
183
184	/*
185	 * set default power gating control, enable power gating control for
186	 * all blocks. that is, can't be accessed, please enable each block
187	 * before accessing.
188	 */
189	snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL0,
190					 0xfffffffC, 0x0);
191
192	/* disable DMA finish function for SSP0 & SSP1 */
193	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR,  SHIM_CSR2,
194					 SHIM_CSR2_SDFD_SSP1,
195					 SHIM_CSR2_SDFD_SSP1);
196
197	/* set on-demond mode on engine 0,1 for all channels */
198	snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_HMDC,
199				SHIM_HMDC_HDDA_E0_ALLCH |
200				SHIM_HMDC_HDDA_E1_ALLCH,
201				SHIM_HMDC_HDDA_E0_ALLCH |
202				SHIM_HMDC_HDDA_E1_ALLCH);
203
204	/* Enable Interrupt from both sides */
205	snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_IMRX,
206				(SHIM_IMRX_BUSY | SHIM_IMRX_DONE), 0x0);
207	snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_IMRD,
208				(SHIM_IMRD_DONE | SHIM_IMRD_BUSY |
209				SHIM_IMRD_SSP0 | SHIM_IMRD_DMAC), 0x0);
210
211	/* clear IPC registers */
212	snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCX, 0x0);
213	snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCD, 0x0);
214	snd_sof_dsp_write(sdev, BDW_DSP_BAR, 0x80, 0x6);
215	snd_sof_dsp_write(sdev, BDW_DSP_BAR, 0xe0, 0x300a);
216
217	return 0;
218}
219
220static void bdw_get_registers(struct snd_sof_dev *sdev,
221			      struct sof_ipc_dsp_oops_xtensa *xoops,
222			      struct sof_ipc_panic_info *panic_info,
223			      u32 *stack, size_t stack_words)
224{
225	u32 offset = sdev->dsp_oops_offset;
226
227	/* first read registers */
228	sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
229
230	/* note: variable AR register array is not read */
231
232	/* then get panic info */
233	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
234		dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
235			xoops->arch_hdr.totalsize);
236		return;
237	}
238	offset += xoops->arch_hdr.totalsize;
239	sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info));
240
241	/* then get the stack */
242	offset += sizeof(*panic_info);
243	sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32));
244}
245
246static void bdw_dump(struct snd_sof_dev *sdev, u32 flags)
247{
248	struct sof_ipc_dsp_oops_xtensa xoops;
249	struct sof_ipc_panic_info panic_info;
250	u32 stack[BDW_STACK_DUMP_SIZE];
251	u32 status, panic, imrx, imrd;
252
253	/* now try generic SOF status messages */
254	status = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD);
255	panic = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCX);
256	bdw_get_registers(sdev, &xoops, &panic_info, stack,
257			  BDW_STACK_DUMP_SIZE);
258	snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, stack,
259			   BDW_STACK_DUMP_SIZE);
260
261	/* provide some context for firmware debug */
262	imrx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRX);
263	imrd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRD);
264	dev_err(sdev->dev,
265		"error: ipc host -> DSP: pending %s complete %s raw 0x%8.8x\n",
266		(panic & SHIM_IPCX_BUSY) ? "yes" : "no",
267		(panic & SHIM_IPCX_DONE) ? "yes" : "no", panic);
268	dev_err(sdev->dev,
269		"error: mask host: pending %s complete %s raw 0x%8.8x\n",
270		(imrx & SHIM_IMRX_BUSY) ? "yes" : "no",
271		(imrx & SHIM_IMRX_DONE) ? "yes" : "no", imrx);
272	dev_err(sdev->dev,
273		"error: ipc DSP -> host: pending %s complete %s raw 0x%8.8x\n",
274		(status & SHIM_IPCD_BUSY) ? "yes" : "no",
275		(status & SHIM_IPCD_DONE) ? "yes" : "no", status);
276	dev_err(sdev->dev,
277		"error: mask DSP: pending %s complete %s raw 0x%8.8x\n",
278		(imrd & SHIM_IMRD_BUSY) ? "yes" : "no",
279		(imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd);
280}
281
282/*
283 * IPC Doorbell IRQ handler and thread.
284 */
285
286static irqreturn_t bdw_irq_handler(int irq, void *context)
287{
288	struct snd_sof_dev *sdev = context;
289	u32 isr;
290	int ret = IRQ_NONE;
291
292	/* Interrupt arrived, check src */
293	isr = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_ISRX);
294	if (isr & (SHIM_ISRX_DONE | SHIM_ISRX_BUSY))
295		ret = IRQ_WAKE_THREAD;
296
297	return ret;
298}
299
300static irqreturn_t bdw_irq_thread(int irq, void *context)
301{
302	struct snd_sof_dev *sdev = context;
303	u32 ipcx, ipcd, imrx;
304
305	imrx = snd_sof_dsp_read64(sdev, BDW_DSP_BAR, SHIM_IMRX);
306	ipcx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCX);
307
308	/* reply message from DSP */
309	if (ipcx & SHIM_IPCX_DONE &&
310	    !(imrx & SHIM_IMRX_DONE)) {
311		/* Mask Done interrupt before return */
312		snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR,
313						 SHIM_IMRX, SHIM_IMRX_DONE,
314						 SHIM_IMRX_DONE);
315
316		spin_lock_irq(&sdev->ipc_lock);
317
318		/*
319		 * handle immediate reply from DSP core. If the msg is
320		 * found, set done bit in cmd_done which is called at the
321		 * end of message processing function, else set it here
322		 * because the done bit can't be set in cmd_done function
323		 * which is triggered by msg
324		 */
325		bdw_get_reply(sdev);
326		snd_sof_ipc_reply(sdev, ipcx);
327
328		bdw_dsp_done(sdev);
329
330		spin_unlock_irq(&sdev->ipc_lock);
331	}
332
333	ipcd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD);
334
335	/* new message from DSP */
336	if (ipcd & SHIM_IPCD_BUSY &&
337	    !(imrx & SHIM_IMRX_BUSY)) {
338		/* Mask Busy interrupt before return */
339		snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR,
340						 SHIM_IMRX, SHIM_IMRX_BUSY,
341						 SHIM_IMRX_BUSY);
342
343		/* Handle messages from DSP Core */
344		if ((ipcd & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
345			snd_sof_dsp_panic(sdev, BDW_PANIC_OFFSET(ipcx) +
346					  MBOX_OFFSET);
347		} else {
348			snd_sof_ipc_msgs_rx(sdev);
349		}
350
351		bdw_host_done(sdev);
352	}
353
354	return IRQ_HANDLED;
355}
356
357/*
358 * IPC Mailbox IO
359 */
360
361static int bdw_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
362{
363	/* send the message */
364	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
365			  msg->msg_size);
366	snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCX, SHIM_IPCX_BUSY);
367
368	return 0;
369}
370
371static void bdw_get_reply(struct snd_sof_dev *sdev)
372{
373	struct snd_sof_ipc_msg *msg = sdev->msg;
374	struct sof_ipc_reply reply;
375	int ret = 0;
376
377	/*
378	 * Sometimes, there is unexpected reply ipc arriving. The reply
379	 * ipc belongs to none of the ipcs sent from driver.
380	 * In this case, the driver must ignore the ipc.
381	 */
382	if (!msg) {
383		dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n");
384		return;
385	}
386
387	/* get reply */
388	sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
389
390	if (reply.error < 0) {
391		memcpy(msg->reply_data, &reply, sizeof(reply));
392		ret = reply.error;
393	} else {
394		/* reply correct size ? */
395		if (reply.hdr.size != msg->reply_size) {
396			dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
397				msg->reply_size, reply.hdr.size);
398			ret = -EINVAL;
399		}
400
401		/* read the message */
402		if (msg->reply_size > 0)
403			sof_mailbox_read(sdev, sdev->host_box.offset,
404					 msg->reply_data, msg->reply_size);
405	}
406
407	msg->reply_error = ret;
408}
409
410static int bdw_get_mailbox_offset(struct snd_sof_dev *sdev)
411{
412	return MBOX_OFFSET;
413}
414
415static int bdw_get_window_offset(struct snd_sof_dev *sdev, u32 id)
416{
417	return MBOX_OFFSET;
418}
419
420static void bdw_host_done(struct snd_sof_dev *sdev)
421{
422	/* clear BUSY bit and set DONE bit - accept new messages */
423	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IPCD,
424					 SHIM_IPCD_BUSY | SHIM_IPCD_DONE,
425					 SHIM_IPCD_DONE);
426
427	/* unmask busy interrupt */
428	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IMRX,
429					 SHIM_IMRX_BUSY, 0);
430}
431
432static void bdw_dsp_done(struct snd_sof_dev *sdev)
433{
434	/* clear DONE bit - tell DSP we have completed */
435	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IPCX,
436					 SHIM_IPCX_DONE, 0);
437
438	/* unmask Done interrupt */
439	snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IMRX,
440					 SHIM_IMRX_DONE, 0);
441}
442
443/*
444 * Probe and remove.
445 */
446static int bdw_probe(struct snd_sof_dev *sdev)
447{
448	struct snd_sof_pdata *pdata = sdev->pdata;
449	const struct sof_dev_desc *desc = pdata->desc;
450	struct platform_device *pdev =
451		container_of(sdev->dev, struct platform_device, dev);
452	struct resource *mmio;
453	u32 base, size;
454	int ret;
455
456	/* LPE base */
457	mmio = platform_get_resource(pdev, IORESOURCE_MEM,
458				     desc->resindex_lpe_base);
459	if (mmio) {
460		base = mmio->start;
461		size = resource_size(mmio);
462	} else {
463		dev_err(sdev->dev, "error: failed to get LPE base at idx %d\n",
464			desc->resindex_lpe_base);
465		return -EINVAL;
466	}
467
468	dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);
469	sdev->bar[BDW_DSP_BAR] = devm_ioremap(sdev->dev, base, size);
470	if (!sdev->bar[BDW_DSP_BAR]) {
471		dev_err(sdev->dev,
472			"error: failed to ioremap LPE base 0x%x size 0x%x\n",
473			base, size);
474		return -ENODEV;
475	}
476	dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BDW_DSP_BAR]);
477
478	/* TODO: add offsets */
479	sdev->mmio_bar = BDW_DSP_BAR;
480	sdev->mailbox_bar = BDW_DSP_BAR;
481	sdev->dsp_oops_offset = MBOX_OFFSET;
482
483	/* PCI base */
484	mmio = platform_get_resource(pdev, IORESOURCE_MEM,
485				     desc->resindex_pcicfg_base);
486	if (mmio) {
487		base = mmio->start;
488		size = resource_size(mmio);
489	} else {
490		dev_err(sdev->dev, "error: failed to get PCI base at idx %d\n",
491			desc->resindex_pcicfg_base);
492		return -ENODEV;
493	}
494
495	dev_dbg(sdev->dev, "PCI base at 0x%x size 0x%x", base, size);
496	sdev->bar[BDW_PCI_BAR] = devm_ioremap(sdev->dev, base, size);
497	if (!sdev->bar[BDW_PCI_BAR]) {
498		dev_err(sdev->dev,
499			"error: failed to ioremap PCI base 0x%x size 0x%x\n",
500			base, size);
501		return -ENODEV;
502	}
503	dev_dbg(sdev->dev, "PCI VADDR %p\n", sdev->bar[BDW_PCI_BAR]);
504
505	/* register our IRQ */
506	sdev->ipc_irq = platform_get_irq(pdev, desc->irqindex_host_ipc);
507	if (sdev->ipc_irq < 0)
508		return sdev->ipc_irq;
509
510	dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);
511	ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,
512					bdw_irq_handler, bdw_irq_thread,
513					IRQF_SHARED, "AudioDSP", sdev);
514	if (ret < 0) {
515		dev_err(sdev->dev, "error: failed to register IRQ %d\n",
516			sdev->ipc_irq);
517		return ret;
518	}
519
520	/* enable the DSP SHIM */
521	ret = bdw_set_dsp_D0(sdev);
522	if (ret < 0) {
523		dev_err(sdev->dev, "error: failed to set DSP D0\n");
524		return ret;
525	}
526
527	/* DSP DMA can only access low 31 bits of host memory */
528	ret = dma_coerce_mask_and_coherent(sdev->dev, DMA_BIT_MASK(31));
529	if (ret < 0) {
530		dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret);
531		return ret;
532	}
533
534	/* set default mailbox */
535	snd_sof_dsp_mailbox_init(sdev, MBOX_OFFSET, MBOX_SIZE, 0, 0);
536
537	return ret;
538}
539
540static void bdw_machine_select(struct snd_sof_dev *sdev)
541{
542	struct snd_sof_pdata *sof_pdata = sdev->pdata;
543	const struct sof_dev_desc *desc = sof_pdata->desc;
544	struct snd_soc_acpi_mach *mach;
545
546	mach = snd_soc_acpi_find_machine(desc->machines);
547	if (!mach) {
548		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
549		return;
550	}
551
552	sof_pdata->tplg_filename = mach->sof_tplg_filename;
553	mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
554	sof_pdata->machine = mach;
555}
556
557static void bdw_set_mach_params(const struct snd_soc_acpi_mach *mach,
558				struct device *dev)
559{
560	struct snd_soc_acpi_mach_params *mach_params;
561
562	mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
563	mach_params->platform = dev_name(dev);
564}
565
566/* Broadwell DAIs */
567static struct snd_soc_dai_driver bdw_dai[] = {
568{
569	.name = "ssp0-port",
570	.playback = {
571		.channels_min = 1,
572		.channels_max = 8,
573	},
574	.capture = {
575		.channels_min = 1,
576		.channels_max = 8,
577	},
578},
579{
580	.name = "ssp1-port",
581	.playback = {
582		.channels_min = 1,
583		.channels_max = 8,
584	},
585	.capture = {
586		.channels_min = 1,
587		.channels_max = 8,
588	},
589},
590};
591
592/* broadwell ops */
593const struct snd_sof_dsp_ops sof_bdw_ops = {
594	/*Device init */
595	.probe          = bdw_probe,
596
597	/* DSP Core Control */
598	.run            = bdw_run,
599	.reset          = bdw_reset,
600
601	/* Register IO */
602	.write		= sof_io_write,
603	.read		= sof_io_read,
604	.write64	= sof_io_write64,
605	.read64		= sof_io_read64,
606
607	/* Block IO */
608	.block_read	= sof_block_read,
609	.block_write	= sof_block_write,
610
611	/* ipc */
612	.send_msg	= bdw_send_msg,
613	.fw_ready	= sof_fw_ready,
614	.get_mailbox_offset = bdw_get_mailbox_offset,
615	.get_window_offset = bdw_get_window_offset,
616
617	.ipc_msg_data	= intel_ipc_msg_data,
618	.ipc_pcm_params	= intel_ipc_pcm_params,
619
620	/* machine driver */
621	.machine_select = bdw_machine_select,
622	.machine_register = sof_machine_register,
623	.machine_unregister = sof_machine_unregister,
624	.set_mach_params = bdw_set_mach_params,
625
626	/* debug */
627	.debug_map  = bdw_debugfs,
628	.debug_map_count    = ARRAY_SIZE(bdw_debugfs),
629	.dbg_dump   = bdw_dump,
630
631	/* stream callbacks */
632	.pcm_open	= intel_pcm_open,
633	.pcm_close	= intel_pcm_close,
634
635	/* Module loading */
636	.load_module    = snd_sof_parse_module_memcpy,
637
638	/*Firmware loading */
639	.load_firmware	= snd_sof_load_firmware_memcpy,
640
641	/* DAI drivers */
642	.drv = bdw_dai,
643	.num_drv = ARRAY_SIZE(bdw_dai),
644
645	/* ALSA HW info flags */
646	.hw_info =	SNDRV_PCM_INFO_MMAP |
647			SNDRV_PCM_INFO_MMAP_VALID |
648			SNDRV_PCM_INFO_INTERLEAVED |
649			SNDRV_PCM_INFO_PAUSE |
650			SNDRV_PCM_INFO_BATCH,
651
652	.arch_ops = &sof_xtensa_arch_ops,
653};
654EXPORT_SYMBOL_NS(sof_bdw_ops, SND_SOC_SOF_BROADWELL);
655
656const struct sof_intel_dsp_desc bdw_chip_info = {
657	.cores_num = 1,
658	.host_managed_cores_mask = 1,
659};
660EXPORT_SYMBOL_NS(bdw_chip_info, SND_SOC_SOF_BROADWELL);
661
662MODULE_LICENSE("Dual BSD/GPL");
663MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
664MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
665