ASoC: SOF: Intel: move common ATOM stuff to module

Split between ACPI/PCI parts and use common module.

Since it's a split of existing code, the same dual-license is used for
the new atom.c and atom.h files.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <bard.liao@intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210505170235.306797-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

5 files changed, 723 insertions, 657 deletions

diff --git a/sound/soc/sof/intel/Makefile b/sound/soc/sof/intel/Makefile
index f3d6f7070fb3..feae487f0227 100644
--- a/sound/soc/sof/intel/Makefile
+++ b/sound/soc/sof/intel/Makefile
@@ -13,7 +13,10 @@ snd-sof-intel-hda-common-$(CONFIG_SND_SOC_SOF_HDA_PROBES) += hda-compress.o
 
 snd-sof-intel-hda-objs := hda-codec.o
 
-obj-$(CONFIG_SND_SOC_SOF_INTEL_ATOM_HIFI_EP) += snd-sof-acpi-intel-byt.o
+snd-sof-intel-atom-objs := atom.o
+
+obj-$(CONFIG_SND_SOC_SOF_INTEL_ATOM_HIFI_EP) += snd-sof-intel-atom.o
+obj-$(CONFIG_SND_SOC_SOF_BAYTRAIL) += snd-sof-acpi-intel-byt.o
 obj-$(CONFIG_SND_SOC_SOF_BROADWELL) += snd-sof-acpi-intel-bdw.o
 obj-$(CONFIG_SND_SOC_SOF_INTEL_HIFI_EP_IPC) += snd-sof-intel-ipc.o
 obj-$(CONFIG_SND_SOC_SOF_HDA_COMMON) += snd-sof-intel-hda-common.o
diff --git a/sound/soc/sof/intel/atom.c b/sound/soc/sof/intel/atom.c
new file mode 100644
index 000000000000..d8804efede5e
--- /dev/null
+++ b/sound/soc/sof/intel/atom.c
@@ -0,0 +1,463 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
+//
+// This file is provided under a dual BSD/GPLv2 license.  When using or
+// redistributing this file, you may do so under either license.
+//
+// Copyright(c) 2018-2021 Intel Corporation. All rights reserved.
+//
+// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
+//
+
+/*
+ * Hardware interface for audio DSP on Atom devices
+ */
+
+#include <linux/module.h>
+#include <sound/sof.h>
+#include <sound/sof/xtensa.h>
+#include <sound/soc-acpi.h>
+#include <sound/soc-acpi-intel-match.h>
+#include <sound/intel-dsp-config.h>
+#include "../ops.h"
+#include "shim.h"
+#include "atom.h"
+#include "../sof-acpi-dev.h"
+#include "../sof-audio.h"
+#include "../../intel/common/soc-intel-quirks.h"
+
+static void atom_host_done(struct snd_sof_dev *sdev);
+static void atom_dsp_done(struct snd_sof_dev *sdev);
+static void atom_get_reply(struct snd_sof_dev *sdev);
+
+/*
+ * Debug
+ */
+
+static void atom_get_registers(struct snd_sof_dev *sdev,
+			       struct sof_ipc_dsp_oops_xtensa *xoops,
+			       struct sof_ipc_panic_info *panic_info,
+			       u32 *stack, size_t stack_words)
+{
+	u32 offset = sdev->dsp_oops_offset;
+
+	/* first read regsisters */
+	sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
+
+	/* note: variable AR register array is not read */
+
+	/* then get panic info */
+	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
+		dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
+			xoops->arch_hdr.totalsize);
+		return;
+	}
+	offset += xoops->arch_hdr.totalsize;
+	sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info));
+
+	/* then get the stack */
+	offset += sizeof(*panic_info);
+	sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32));
+}
+
+void atom_dump(struct snd_sof_dev *sdev, u32 flags)
+{
+	struct sof_ipc_dsp_oops_xtensa xoops;
+	struct sof_ipc_panic_info panic_info;
+	u32 stack[STACK_DUMP_SIZE];
+	u64 status, panic, imrd, imrx;
+
+	/* now try generic SOF status messages */
+	status = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCD);
+	panic = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCX);
+	atom_get_registers(sdev, &xoops, &panic_info, stack,
+			   STACK_DUMP_SIZE);
+	snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, stack,
+			   STACK_DUMP_SIZE);
+
+	/* provide some context for firmware debug */
+	imrx = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IMRX);
+	imrd = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IMRD);
+	dev_err(sdev->dev,
+		"error: ipc host -> DSP: pending %s complete %s raw 0x%llx\n",
+		(panic & SHIM_IPCX_BUSY) ? "yes" : "no",
+		(panic & SHIM_IPCX_DONE) ? "yes" : "no", panic);
+	dev_err(sdev->dev,
+		"error: mask host: pending %s complete %s raw 0x%llx\n",
+		(imrx & SHIM_IMRX_BUSY) ? "yes" : "no",
+		(imrx & SHIM_IMRX_DONE) ? "yes" : "no", imrx);
+	dev_err(sdev->dev,
+		"error: ipc DSP -> host: pending %s complete %s raw 0x%llx\n",
+		(status & SHIM_IPCD_BUSY) ? "yes" : "no",
+		(status & SHIM_IPCD_DONE) ? "yes" : "no", status);
+	dev_err(sdev->dev,
+		"error: mask DSP: pending %s complete %s raw 0x%llx\n",
+		(imrd & SHIM_IMRD_BUSY) ? "yes" : "no",
+		(imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd);
+
+}
+EXPORT_SYMBOL_NS(atom_dump, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+/*
+ * IPC Doorbell IRQ handler and thread.
+ */
+
+irqreturn_t atom_irq_handler(int irq, void *context)
+{
+	struct snd_sof_dev *sdev = context;
+	u64 ipcx, ipcd;
+	int ret = IRQ_NONE;
+
+	ipcx = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCX);
+	ipcd = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCD);
+
+	if (ipcx & SHIM_BYT_IPCX_DONE) {
+
+		/* reply message from DSP, Mask Done interrupt first */
+		snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR,
+						   SHIM_IMRX,
+						   SHIM_IMRX_DONE,
+						   SHIM_IMRX_DONE);
+		ret = IRQ_WAKE_THREAD;
+	}
+
+	if (ipcd & SHIM_BYT_IPCD_BUSY) {
+
+		/* new message from DSP, Mask Busy interrupt first */
+		snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR,
+						   SHIM_IMRX,
+						   SHIM_IMRX_BUSY,
+						   SHIM_IMRX_BUSY);
+		ret = IRQ_WAKE_THREAD;
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_NS(atom_irq_handler, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+irqreturn_t atom_irq_thread(int irq, void *context)
+{
+	struct snd_sof_dev *sdev = context;
+	u64 ipcx, ipcd;
+
+	ipcx = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCX);
+	ipcd = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCD);
+
+	/* reply message from DSP */
+	if (ipcx & SHIM_BYT_IPCX_DONE) {
+
+		spin_lock_irq(&sdev->ipc_lock);
+
+		/*
+		 * handle immediate reply from DSP core. If the msg is
+		 * found, set done bit in cmd_done which is called at the
+		 * end of message processing function, else set it here
+		 * because the done bit can't be set in cmd_done function
+		 * which is triggered by msg
+		 */
+		atom_get_reply(sdev);
+		snd_sof_ipc_reply(sdev, ipcx);
+
+		atom_dsp_done(sdev);
+
+		spin_unlock_irq(&sdev->ipc_lock);
+	}
+
+	/* new message from DSP */
+	if (ipcd & SHIM_BYT_IPCD_BUSY) {
+
+		/* Handle messages from DSP Core */
+		if ((ipcd & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
+			snd_sof_dsp_panic(sdev, PANIC_OFFSET(ipcd) +
+					  MBOX_OFFSET);
+		} else {
+			snd_sof_ipc_msgs_rx(sdev);
+		}
+
+		atom_host_done(sdev);
+	}
+
+	return IRQ_HANDLED;
+}
+EXPORT_SYMBOL_NS(atom_irq_thread, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+int atom_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
+{
+	/* unmask and prepare to receive Done interrupt */
+	snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR, SHIM_IMRX,
+					   SHIM_IMRX_DONE, 0);
+
+	/* send the message */
+	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
+			  msg->msg_size);
+	snd_sof_dsp_write64(sdev, DSP_BAR, SHIM_IPCX, SHIM_BYT_IPCX_BUSY);
+
+	return 0;
+}
+EXPORT_SYMBOL_NS(atom_send_msg, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+static void atom_get_reply(struct snd_sof_dev *sdev)
+{
+	struct snd_sof_ipc_msg *msg = sdev->msg;
+	struct sof_ipc_reply reply;
+	int ret = 0;
+
+	/*
+	 * Sometimes, there is unexpected reply ipc arriving. The reply
+	 * ipc belongs to none of the ipcs sent from driver.
+	 * In this case, the driver must ignore the ipc.
+	 */
+	if (!msg) {
+		dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n");
+		return;
+	}
+
+	/* get reply */
+	sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
+
+	if (reply.error < 0) {
+		memcpy(msg->reply_data, &reply, sizeof(reply));
+		ret = reply.error;
+	} else {
+		/* reply correct size ? */
+		if (reply.hdr.size != msg->reply_size) {
+			dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
+				msg->reply_size, reply.hdr.size);
+			ret = -EINVAL;
+		}
+
+		/* read the message */
+		if (msg->reply_size > 0)
+			sof_mailbox_read(sdev, sdev->host_box.offset,
+					 msg->reply_data, msg->reply_size);
+	}
+
+	msg->reply_error = ret;
+}
+
+int atom_get_mailbox_offset(struct snd_sof_dev *sdev)
+{
+	return MBOX_OFFSET;
+}
+EXPORT_SYMBOL_NS(atom_get_mailbox_offset, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+int atom_get_window_offset(struct snd_sof_dev *sdev, u32 id)
+{
+	return MBOX_OFFSET;
+}
+EXPORT_SYMBOL_NS(atom_get_window_offset, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+static void atom_host_done(struct snd_sof_dev *sdev)
+{
+	/* clear BUSY bit and set DONE bit - accept new messages */
+	snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR, SHIM_IPCD,
+					   SHIM_BYT_IPCD_BUSY |
+					   SHIM_BYT_IPCD_DONE,
+					   SHIM_BYT_IPCD_DONE);
+
+	/* unmask and prepare to receive next new message */
+	snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR, SHIM_IMRX,
+					   SHIM_IMRX_BUSY, 0);
+}
+
+static void atom_dsp_done(struct snd_sof_dev *sdev)
+{
+	/* clear DONE bit - tell DSP we have completed */
+	snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR, SHIM_IPCX,
+					   SHIM_BYT_IPCX_DONE, 0);
+}
+
+/*
+ * DSP control.
+ */
+
+int atom_run(struct snd_sof_dev *sdev)
+{
+	int tries = 10;
+
+	/* release stall and wait to unstall */
+	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_CSR,
+				  SHIM_BYT_CSR_STALL, 0x0);
+	while (tries--) {
+		if (!(snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_CSR) &
+		      SHIM_BYT_CSR_PWAITMODE))
+			break;
+		msleep(100);
+	}
+	if (tries < 0) {
+		dev_err(sdev->dev, "error:  unable to run DSP firmware\n");
+		atom_dump(sdev, SOF_DBG_DUMP_REGS | SOF_DBG_DUMP_MBOX);
+		return -ENODEV;
+	}
+
+	/* return init core mask */
+	return 1;
+}
+EXPORT_SYMBOL_NS(atom_run, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+int atom_reset(struct snd_sof_dev *sdev)
+{
+	/* put DSP into reset, set reset vector and stall */
+	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_CSR,
+				  SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL |
+				  SHIM_BYT_CSR_STALL,
+				  SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL |
+				  SHIM_BYT_CSR_STALL);
+
+	usleep_range(10, 15);
+
+	/* take DSP out of reset and keep stalled for FW loading */
+	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_CSR,
+				  SHIM_BYT_CSR_RST, 0);
+
+	return 0;
+}
+EXPORT_SYMBOL_NS(atom_reset, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
+				   const char *sof_tplg_filename,
+				   const char *ssp_str)
+{
+	const char *tplg_filename = NULL;
+	char *filename;
+	char *split_ext;
+
+	filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL);
+	if (!filename)
+		return NULL;
+
+	/* this assumes a .tplg extension */
+	split_ext = strsep(&filename, ".");
+	if (split_ext) {
+		tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
+					       "%s-%s.tplg",
+					       split_ext, ssp_str);
+		if (!tplg_filename)
+			return NULL;
+	}
+	return tplg_filename;
+}
+
+void atom_machine_select(struct snd_sof_dev *sdev)
+{
+	struct snd_sof_pdata *sof_pdata = sdev->pdata;
+	const struct sof_dev_desc *desc = sof_pdata->desc;
+	struct snd_soc_acpi_mach *mach;
+	struct platform_device *pdev;
+	const char *tplg_filename;
+
+	mach = snd_soc_acpi_find_machine(desc->machines);
+	if (!mach) {
+		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
+		return;
+	}
+
+	pdev = to_platform_device(sdev->dev);
+	if (soc_intel_is_byt_cr(pdev)) {
+		dev_dbg(sdev->dev,
+			"BYT-CR detected, SSP0 used instead of SSP2\n");
+
+		tplg_filename = fixup_tplg_name(sdev,
+						mach->sof_tplg_filename,
+						"ssp0");
+	} else {
+		tplg_filename = mach->sof_tplg_filename;
+	}
+
+	if (!tplg_filename) {
+		dev_dbg(sdev->dev,
+			"error: no topology filename\n");
+		return;
+	}
+
+	sof_pdata->tplg_filename = tplg_filename;
+	mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
+	sof_pdata->machine = mach;
+}
+EXPORT_SYMBOL_NS(atom_machine_select, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+/* Atom DAIs */
+struct snd_soc_dai_driver atom_dai[] = {
+{
+	.name = "ssp0-port",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+},
+{
+	.name = "ssp1-port",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+},
+{
+	.name = "ssp2-port",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 8,
+	}
+},
+{
+	.name = "ssp3-port",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+},
+{
+	.name = "ssp4-port",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+},
+{
+	.name = "ssp5-port",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 8,
+	},
+},
+};
+EXPORT_SYMBOL_NS(atom_dai, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+void atom_set_mach_params(const struct snd_soc_acpi_mach *mach,
+			  struct snd_sof_dev *sdev)
+{
+	struct snd_sof_pdata *pdata = sdev->pdata;
+	const struct sof_dev_desc *desc = pdata->desc;
+	struct snd_soc_acpi_mach_params *mach_params;
+
+	mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
+	mach_params->platform = dev_name(sdev->dev);
+	mach_params->num_dai_drivers = desc->ops->num_drv;
+	mach_params->dai_drivers = desc->ops->drv;
+}
+EXPORT_SYMBOL_NS(atom_set_mach_params, SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
+
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/sound/soc/sof/intel/atom.h b/sound/soc/sof/intel/atom.h
new file mode 100644
index 000000000000..96a462c7a2e5
--- /dev/null
+++ b/sound/soc/sof/intel/atom.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+/*
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * Copyright(c) 2017-2021 Intel Corporation. All rights reserved.
+ *
+ * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
+ */
+
+#ifndef __SOF_INTEL_ATOM_H
+#define __SOF_INTEL_ATOM_H
+
+/* DSP memories */
+#define IRAM_OFFSET		0x0C0000
+#define IRAM_SIZE		(80 * 1024)
+#define DRAM_OFFSET		0x100000
+#define DRAM_SIZE		(160 * 1024)
+#define SHIM_OFFSET		0x140000
+#define SHIM_SIZE_BYT		0x100
+#define SHIM_SIZE_CHT		0x118
+#define MBOX_OFFSET		0x144000
+#define MBOX_SIZE		0x1000
+#define EXCEPT_OFFSET		0x800
+#define EXCEPT_MAX_HDR_SIZE	0x400
+
+/* DSP peripherals */
+#define DMAC0_OFFSET		0x098000
+#define DMAC1_OFFSET		0x09c000
+#define DMAC2_OFFSET		0x094000
+#define DMAC_SIZE		0x420
+#define SSP0_OFFSET		0x0a0000
+#define SSP1_OFFSET		0x0a1000
+#define SSP2_OFFSET		0x0a2000
+#define SSP3_OFFSET		0x0a4000
+#define SSP4_OFFSET		0x0a5000
+#define SSP5_OFFSET		0x0a6000
+#define SSP_SIZE		0x100
+
+#define STACK_DUMP_SIZE		32
+
+#define PCI_BAR_SIZE		0x200000
+
+#define PANIC_OFFSET(x)	(((x) & GENMASK_ULL(47, 32)) >> 32)
+
+/*
+ * Debug
+ */
+
+#define MBOX_DUMP_SIZE	0x30
+
+/* BARs */
+#define DSP_BAR		0
+#define PCI_BAR		1
+#define IMR_BAR		2
+
+irqreturn_t atom_irq_handler(int irq, void *context);
+irqreturn_t atom_irq_thread(int irq, void *context);
+
+int atom_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg);
+int atom_get_mailbox_offset(struct snd_sof_dev *sdev);
+int atom_get_window_offset(struct snd_sof_dev *sdev, u32 id);
+
+int atom_run(struct snd_sof_dev *sdev);
+int atom_reset(struct snd_sof_dev *sdev);
+void atom_dump(struct snd_sof_dev *sdev, u32 flags);
+
+void atom_machine_select(struct snd_sof_dev *sdev);
+void atom_set_mach_params(const struct snd_soc_acpi_mach *mach,
+			  struct snd_sof_dev *sdev);
+
+extern struct snd_soc_dai_driver atom_dai[];
+
+#endif
diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
index 0b948ef79431..8edaf6fdd218 100644
--- a/sound/soc/sof/intel/byt.c
+++ b/sound/soc/sof/intel/byt.c
@@ -19,54 +19,12 @@
 #include <sound/soc-acpi-intel-match.h>
 #include <sound/intel-dsp-config.h>
 #include "../ops.h"
+#include "atom.h"
 #include "shim.h"
 #include "../sof-acpi-dev.h"
 #include "../sof-audio.h"
 #include "../../intel/common/soc-intel-quirks.h"
 
-/* DSP memories */
-#define IRAM_OFFSET		0x0C0000
-#define IRAM_SIZE		(80 * 1024)
-#define DRAM_OFFSET		0x100000
-#define DRAM_SIZE		(160 * 1024)
-#define SHIM_OFFSET		0x140000
-#define SHIM_SIZE_BYT		0x100
-#define SHIM_SIZE_CHT		0x118
-#define MBOX_OFFSET		0x144000
-#define MBOX_SIZE		0x1000
-#define EXCEPT_OFFSET		0x800
-#define EXCEPT_MAX_HDR_SIZE	0x400
-
-/* DSP peripherals */
-#define DMAC0_OFFSET		0x098000
-#define DMAC1_OFFSET		0x09c000
-#define DMAC2_OFFSET		0x094000
-#define DMAC_SIZE		0x420
-#define SSP0_OFFSET		0x0a0000
-#define SSP1_OFFSET		0x0a1000
-#define SSP2_OFFSET		0x0a2000
-#define SSP3_OFFSET		0x0a4000
-#define SSP4_OFFSET		0x0a5000
-#define SSP5_OFFSET		0x0a6000
-#define SSP_SIZE		0x100
-
-#define STACK_DUMP_SIZE		32
-
-#define PCI_BAR_SIZE		0x200000
-
-#define PANIC_OFFSET(x)	(((x) & GENMASK_ULL(47, 32)) >> 32)
-
-/*
- * Debug
- */
-
-#define MBOX_DUMP_SIZE	0x30
-
-/* BARs */
-#define DSP_BAR		0
-#define PCI_BAR		1
-#define IMR_BAR		2
-
 static const struct snd_sof_debugfs_map byt_debugfs[] = {
 	{"dmac0", DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
 	 SOF_DEBUGFS_ACCESS_ALWAYS},
@@ -86,606 +44,33 @@ static const struct snd_sof_debugfs_map byt_debugfs[] = {
 	 SOF_DEBUGFS_ACCESS_ALWAYS},
 };
 
-static const struct snd_sof_debugfs_map tng_debugfs[] = {
+static const struct snd_sof_debugfs_map cht_debugfs[] = {
 	{"dmac0", DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
 	 SOF_DEBUGFS_ACCESS_ALWAYS},
 	{"dmac1", DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
 	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"dmac2", DSP_BAR, DMAC2_OFFSET, DMAC_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
 	{"ssp0", DSP_BAR, SSP0_OFFSET, SSP_SIZE,
 	 SOF_DEBUGFS_ACCESS_ALWAYS},
 	{"ssp1", DSP_BAR, SSP1_OFFSET, SSP_SIZE,
 	 SOF_DEBUGFS_ACCESS_ALWAYS},
 	{"ssp2", DSP_BAR, SSP2_OFFSET, SSP_SIZE,
 	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"ssp3", DSP_BAR, SSP3_OFFSET, SSP_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"ssp4", DSP_BAR, SSP4_OFFSET, SSP_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"ssp5", DSP_BAR, SSP5_OFFSET, SSP_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
 	{"iram", DSP_BAR, IRAM_OFFSET, IRAM_SIZE,
 	 SOF_DEBUGFS_ACCESS_D0_ONLY},
 	{"dram", DSP_BAR, DRAM_OFFSET, DRAM_SIZE,
 	 SOF_DEBUGFS_ACCESS_D0_ONLY},
-	{"shim", DSP_BAR, SHIM_OFFSET, SHIM_SIZE_BYT,
+	{"shim", DSP_BAR, SHIM_OFFSET, SHIM_SIZE_CHT,
 	 SOF_DEBUGFS_ACCESS_ALWAYS},
 };
 
-static void atom_host_done(struct snd_sof_dev *sdev);
-static void atom_dsp_done(struct snd_sof_dev *sdev);
-static void atom_get_reply(struct snd_sof_dev *sdev);
-
-/*
- * Debug
- */
-
-static void atom_get_registers(struct snd_sof_dev *sdev,
-			       struct sof_ipc_dsp_oops_xtensa *xoops,
-			       struct sof_ipc_panic_info *panic_info,
-			       u32 *stack, size_t stack_words)
-{
-	u32 offset = sdev->dsp_oops_offset;
-
-	/* first read regsisters */
-	sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
-
-	/* note: variable AR register array is not read */
-
-	/* then get panic info */
-	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
-		dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
-			xoops->arch_hdr.totalsize);
-		return;
-	}
-	offset += xoops->arch_hdr.totalsize;
-	sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info));
-
-	/* then get the stack */
-	offset += sizeof(*panic_info);
-	sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32));
-}
-
-static void atom_dump(struct snd_sof_dev *sdev, u32 flags)
-{
-	struct sof_ipc_dsp_oops_xtensa xoops;
-	struct sof_ipc_panic_info panic_info;
-	u32 stack[STACK_DUMP_SIZE];
-	u64 status, panic, imrd, imrx;
-
-	/* now try generic SOF status messages */
-	status = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCD);
-	panic = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCX);
-	atom_get_registers(sdev, &xoops, &panic_info, stack,
-			   STACK_DUMP_SIZE);
-	snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, stack,
-			   STACK_DUMP_SIZE);
-
-	/* provide some context for firmware debug */
-	imrx = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IMRX);
-	imrd = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IMRD);
-	dev_err(sdev->dev,
-		"error: ipc host -> DSP: pending %s complete %s raw 0x%llx\n",
-		(panic & SHIM_IPCX_BUSY) ? "yes" : "no",
-		(panic & SHIM_IPCX_DONE) ? "yes" : "no", panic);
-	dev_err(sdev->dev,
-		"error: mask host: pending %s complete %s raw 0x%llx\n",
-		(imrx & SHIM_IMRX_BUSY) ? "yes" : "no",
-		(imrx & SHIM_IMRX_DONE) ? "yes" : "no", imrx);
-	dev_err(sdev->dev,
-		"error: ipc DSP -> host: pending %s complete %s raw 0x%llx\n",
-		(status & SHIM_IPCD_BUSY) ? "yes" : "no",
-		(status & SHIM_IPCD_DONE) ? "yes" : "no", status);
-	dev_err(sdev->dev,
-		"error: mask DSP: pending %s complete %s raw 0x%llx\n",
-		(imrd & SHIM_IMRD_BUSY) ? "yes" : "no",
-		(imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd);
-
-}
-
-/*
- * IPC Doorbell IRQ handler and thread.
- */
-
-static irqreturn_t atom_irq_handler(int irq, void *context)
-{
-	struct snd_sof_dev *sdev = context;
-	u64 ipcx, ipcd;
-	int ret = IRQ_NONE;
-
-	ipcx = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCX);
-	ipcd = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCD);
-
-	if (ipcx & SHIM_BYT_IPCX_DONE) {
-
-		/* reply message from DSP, Mask Done interrupt first */
-		snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR,
-						   SHIM_IMRX,
-						   SHIM_IMRX_DONE,
-						   SHIM_IMRX_DONE);
-		ret = IRQ_WAKE_THREAD;
-	}
-
-	if (ipcd & SHIM_BYT_IPCD_BUSY) {
-
-		/* new message from DSP, Mask Busy interrupt first */
-		snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR,
-						   SHIM_IMRX,
-						   SHIM_IMRX_BUSY,
-						   SHIM_IMRX_BUSY);
-		ret = IRQ_WAKE_THREAD;
-	}
-
-	return ret;
-}
-
-static irqreturn_t atom_irq_thread(int irq, void *context)
-{
-	struct snd_sof_dev *sdev = context;
-	u64 ipcx, ipcd;
-
-	ipcx = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCX);
-	ipcd = snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_IPCD);
-
-	/* reply message from DSP */
-	if (ipcx & SHIM_BYT_IPCX_DONE) {
-
-		spin_lock_irq(&sdev->ipc_lock);
-
-		/*
-		 * handle immediate reply from DSP core. If the msg is
-		 * found, set done bit in cmd_done which is called at the
-		 * end of message processing function, else set it here
-		 * because the done bit can't be set in cmd_done function
-		 * which is triggered by msg
-		 */
-		atom_get_reply(sdev);
-		snd_sof_ipc_reply(sdev, ipcx);
-
-		atom_dsp_done(sdev);
-
-		spin_unlock_irq(&sdev->ipc_lock);
-	}
-
-	/* new message from DSP */
-	if (ipcd & SHIM_BYT_IPCD_BUSY) {
-
-		/* Handle messages from DSP Core */
-		if ((ipcd & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
-			snd_sof_dsp_panic(sdev, PANIC_OFFSET(ipcd) +
-					  MBOX_OFFSET);
-		} else {
-			snd_sof_ipc_msgs_rx(sdev);
-		}
-
-		atom_host_done(sdev);
-	}
-
-	return IRQ_HANDLED;
-}
-
-static int atom_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
-{
-	/* unmask and prepare to receive Done interrupt */
-	snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR, SHIM_IMRX,
-					   SHIM_IMRX_DONE, 0);
-
-	/* send the message */
-	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
-			  msg->msg_size);
-	snd_sof_dsp_write64(sdev, DSP_BAR, SHIM_IPCX, SHIM_BYT_IPCX_BUSY);
-
-	return 0;
-}
-
-static void atom_get_reply(struct snd_sof_dev *sdev)
-{
-	struct snd_sof_ipc_msg *msg = sdev->msg;
-	struct sof_ipc_reply reply;
-	int ret = 0;
-
-	/*
-	 * Sometimes, there is unexpected reply ipc arriving. The reply
-	 * ipc belongs to none of the ipcs sent from driver.
-	 * In this case, the driver must ignore the ipc.
-	 */
-	if (!msg) {
-		dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n");
-		return;
-	}
-
-	/* get reply */
-	sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
-
-	if (reply.error < 0) {
-		memcpy(msg->reply_data, &reply, sizeof(reply));
-		ret = reply.error;
-	} else {
-		/* reply correct size ? */
-		if (reply.hdr.size != msg->reply_size) {
-			dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
-				msg->reply_size, reply.hdr.size);
-			ret = -EINVAL;
-		}
-
-		/* read the message */
-		if (msg->reply_size > 0)
-			sof_mailbox_read(sdev, sdev->host_box.offset,
-					 msg->reply_data, msg->reply_size);
-	}
-
-	msg->reply_error = ret;
-}
-
-static int atom_get_mailbox_offset(struct snd_sof_dev *sdev)
-{
-	return MBOX_OFFSET;
-}
-
-static int atom_get_window_offset(struct snd_sof_dev *sdev, u32 id)
-{
-	return MBOX_OFFSET;
-}
-
-static void atom_host_done(struct snd_sof_dev *sdev)
-{
-	/* clear BUSY bit and set DONE bit - accept new messages */
-	snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR, SHIM_IPCD,
-					   SHIM_BYT_IPCD_BUSY |
-					   SHIM_BYT_IPCD_DONE,
-					   SHIM_BYT_IPCD_DONE);
-
-	/* unmask and prepare to receive next new message */
-	snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR, SHIM_IMRX,
-					   SHIM_IMRX_BUSY, 0);
-}
-
-static void atom_dsp_done(struct snd_sof_dev *sdev)
-{
-	/* clear DONE bit - tell DSP we have completed */
-	snd_sof_dsp_update_bits64_unlocked(sdev, DSP_BAR, SHIM_IPCX,
-					   SHIM_BYT_IPCX_DONE, 0);
-}
-
-/*
- * DSP control.
- */
-
-static int atom_run(struct snd_sof_dev *sdev)
-{
-	int tries = 10;
-
-	/* release stall and wait to unstall */
-	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_CSR,
-				  SHIM_BYT_CSR_STALL, 0x0);
-	while (tries--) {
-		if (!(snd_sof_dsp_read64(sdev, DSP_BAR, SHIM_CSR) &
-		      SHIM_BYT_CSR_PWAITMODE))
-			break;
-		msleep(100);
-	}
-	if (tries < 0) {
-		dev_err(sdev->dev, "error:  unable to run DSP firmware\n");
-		atom_dump(sdev, SOF_DBG_DUMP_REGS | SOF_DBG_DUMP_MBOX);
-		return -ENODEV;
-	}
-
-	/* return init core mask */
-	return 1;
-}
-
-static int atom_reset(struct snd_sof_dev *sdev)
-{
-	/* put DSP into reset, set reset vector and stall */
-	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_CSR,
-				  SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL |
-				  SHIM_BYT_CSR_STALL,
-				  SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL |
-				  SHIM_BYT_CSR_STALL);
-
-	usleep_range(10, 15);
-
-	/* take DSP out of reset and keep stalled for FW loading */
-	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_CSR,
-				  SHIM_BYT_CSR_RST, 0);
-
-	return 0;
-}
-
-static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
-				   const char *sof_tplg_filename,
-				   const char *ssp_str)
-{
-	const char *tplg_filename = NULL;
-	char *filename;
-	char *split_ext;
-
-	filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL);
-	if (!filename)
-		return NULL;
-
-	/* this assumes a .tplg extension */
-	split_ext = strsep(&filename, ".");
-	if (split_ext) {
-		tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
-					       "%s-%s.tplg",
-					       split_ext, ssp_str);
-		if (!tplg_filename)
-			return NULL;
-	}
-	return tplg_filename;
-}
-
-static void atom_machine_select(struct snd_sof_dev *sdev)
-{
-	struct snd_sof_pdata *sof_pdata = sdev->pdata;
-	const struct sof_dev_desc *desc = sof_pdata->desc;
-	struct snd_soc_acpi_mach *mach;
-	struct platform_device *pdev;
-	const char *tplg_filename;
-
-	mach = snd_soc_acpi_find_machine(desc->machines);
-	if (!mach) {
-		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
-		return;
-	}
-
-	pdev = to_platform_device(sdev->dev);
-	if (soc_intel_is_byt_cr(pdev)) {
-		dev_dbg(sdev->dev,
-			"BYT-CR detected, SSP0 used instead of SSP2\n");
-
-		tplg_filename = fixup_tplg_name(sdev,
-						mach->sof_tplg_filename,
-						"ssp0");
-	} else {
-		tplg_filename = mach->sof_tplg_filename;
-	}
-
-	if (!tplg_filename) {
-		dev_dbg(sdev->dev,
-			"error: no topology filename\n");
-		return;
-	}
-
-	sof_pdata->tplg_filename = tplg_filename;
-	mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
-	sof_pdata->machine = mach;
-}
-
-/* Atom DAIs */
-static struct snd_soc_dai_driver atom_dai[] = {
-{
-	.name = "ssp0-port",
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-},
-{
-	.name = "ssp1-port",
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-},
-{
-	.name = "ssp2-port",
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 8,
-	}
-},
-{
-	.name = "ssp3-port",
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-},
-{
-	.name = "ssp4-port",
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-},
-{
-	.name = "ssp5-port",
-	.playback = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-	.capture = {
-		.channels_min = 1,
-		.channels_max = 8,
-	},
-},
-};
-
-static void atom_set_mach_params(const struct snd_soc_acpi_mach *mach,
-				 struct snd_sof_dev *sdev)
-{
-	struct snd_sof_pdata *pdata = sdev->pdata;
-	const struct sof_dev_desc *desc = pdata->desc;
-	struct snd_soc_acpi_mach_params *mach_params;
-
-	mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
-	mach_params->platform = dev_name(sdev->dev);
-	mach_params->num_dai_drivers = desc->ops->num_drv;
-	mach_params->dai_drivers = desc->ops->drv;
-}
-
-/*
- * Probe and remove.
- */
-
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
-
-static int tangier_pci_probe(struct snd_sof_dev *sdev)
-{
-	struct snd_sof_pdata *pdata = sdev->pdata;
-	const struct sof_dev_desc *desc = pdata->desc;
-	struct pci_dev *pci = to_pci_dev(sdev->dev);
-	u32 base, size;
-	int ret;
-
-	/* DSP DMA can only access low 31 bits of host memory */
-	ret = dma_coerce_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31));
-	if (ret < 0) {
-		dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret);
-		return ret;
-	}
-
-	/* LPE base */
-	base = pci_resource_start(pci, desc->resindex_lpe_base) - IRAM_OFFSET;
-	size = PCI_BAR_SIZE;
-
-	dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);
-	sdev->bar[DSP_BAR] = devm_ioremap(sdev->dev, base, size);
-	if (!sdev->bar[DSP_BAR]) {
-		dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n",
-			base, size);
-		return -ENODEV;
-	}
-	dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[DSP_BAR]);
-
-	/* IMR base - optional */
-	if (desc->resindex_imr_base == -1)
-		goto irq;
-
-	base = pci_resource_start(pci, desc->resindex_imr_base);
-	size = pci_resource_len(pci, desc->resindex_imr_base);
-
-	/* some BIOSes don't map IMR */
-	if (base == 0x55aa55aa || base == 0x0) {
-		dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n");
-		goto irq;
-	}
-
-	dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size);
-	sdev->bar[IMR_BAR] = devm_ioremap(sdev->dev, base, size);
-	if (!sdev->bar[IMR_BAR]) {
-		dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n",
-			base, size);
-		return -ENODEV;
-	}
-	dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[IMR_BAR]);
-
-irq:
-	/* register our IRQ */
-	sdev->ipc_irq = pci->irq;
-	dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);
-	ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,
-					atom_irq_handler, atom_irq_thread,
-					0, "AudioDSP", sdev);
-	if (ret < 0) {
-		dev_err(sdev->dev, "error: failed to register IRQ %d\n",
-			sdev->ipc_irq);
-		return ret;
-	}
-
-	/* enable BUSY and disable DONE Interrupt by default */
-	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_IMRX,
-				  SHIM_IMRX_BUSY | SHIM_IMRX_DONE,
-				  SHIM_IMRX_DONE);
-
-	/* set default mailbox offset for FW ready message */
-	sdev->dsp_box.offset = MBOX_OFFSET;
-
-	return ret;
-}
-
-const struct snd_sof_dsp_ops sof_tng_ops = {
-	/* device init */
-	.probe		= tangier_pci_probe,
-
-	/* DSP core boot / reset */
-	.run		= atom_run,
-	.reset		= atom_reset,
-
-	/* Register IO */
-	.write		= sof_io_write,
-	.read		= sof_io_read,
-	.write64	= sof_io_write64,
-	.read64		= sof_io_read64,
-
-	/* Block IO */
-	.block_read	= sof_block_read,
-	.block_write	= sof_block_write,
-
-	/* doorbell */
-	.irq_handler	= atom_irq_handler,
-	.irq_thread	= atom_irq_thread,
-
-	/* ipc */
-	.send_msg	= atom_send_msg,
-	.fw_ready	= sof_fw_ready,
-	.get_mailbox_offset = atom_get_mailbox_offset,
-	.get_window_offset = atom_get_window_offset,
-
-	.ipc_msg_data	= intel_ipc_msg_data,
-	.ipc_pcm_params	= intel_ipc_pcm_params,
-
-	/* machine driver */
-	.machine_select = atom_machine_select,
-	.machine_register = sof_machine_register,
-	.machine_unregister = sof_machine_unregister,
-	.set_mach_params = atom_set_mach_params,
-
-	/* debug */
-	.debug_map	= tng_debugfs,
-	.debug_map_count	= ARRAY_SIZE(tng_debugfs),
-	.dbg_dump	= atom_dump,
-
-	/* stream callbacks */
-	.pcm_open	= intel_pcm_open,
-	.pcm_close	= intel_pcm_close,
-
-	/* module loading */
-	.load_module	= snd_sof_parse_module_memcpy,
-
-	/*Firmware loading */
-	.load_firmware	= snd_sof_load_firmware_memcpy,
-
-	/* DAI drivers */
-	.drv = atom_dai,
-	.num_drv = 3, /* we have only 3 SSPs on byt*/
-
-	/* ALSA HW info flags */
-	.hw_info =	SNDRV_PCM_INFO_MMAP |
-			SNDRV_PCM_INFO_MMAP_VALID |
-			SNDRV_PCM_INFO_INTERLEAVED |
-			SNDRV_PCM_INFO_PAUSE |
-			SNDRV_PCM_INFO_BATCH,
-
-	.arch_ops = &sof_xtensa_arch_ops,
-};
-EXPORT_SYMBOL_NS(sof_tng_ops, SND_SOC_SOF_MERRIFIELD);
-
-const struct sof_intel_dsp_desc tng_chip_info = {
-	.cores_num = 1,
-	.host_managed_cores_mask = 1,
-};
-EXPORT_SYMBOL_NS(tng_chip_info, SND_SOC_SOF_MERRIFIELD);
-
-#endif /* CONFIG_SND_SOC_SOF_MERRIFIELD */
-
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
-
 static void byt_reset_dsp_disable_int(struct snd_sof_dev *sdev)
 {
 	/* Disable Interrupt from both sides */
@@ -722,33 +107,6 @@ static int byt_remove(struct snd_sof_dev *sdev)
 	return 0;
 }
 
-static const struct snd_sof_debugfs_map cht_debugfs[] = {
-	{"dmac0", DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"dmac1", DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"dmac2", DSP_BAR, DMAC2_OFFSET, DMAC_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"ssp0", DSP_BAR, SSP0_OFFSET, SSP_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"ssp1", DSP_BAR, SSP1_OFFSET, SSP_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"ssp2", DSP_BAR, SSP2_OFFSET, SSP_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"ssp3", DSP_BAR, SSP3_OFFSET, SSP_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"ssp4", DSP_BAR, SSP4_OFFSET, SSP_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"ssp5", DSP_BAR, SSP5_OFFSET, SSP_SIZE,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-	{"iram", DSP_BAR, IRAM_OFFSET, IRAM_SIZE,
-	 SOF_DEBUGFS_ACCESS_D0_ONLY},
-	{"dram", DSP_BAR, DRAM_OFFSET, DRAM_SIZE,
-	 SOF_DEBUGFS_ACCESS_D0_ONLY},
-	{"shim", DSP_BAR, SHIM_OFFSET, SHIM_SIZE_CHT,
-	 SOF_DEBUGFS_ACCESS_ALWAYS},
-};
-
 static int byt_acpi_probe(struct snd_sof_dev *sdev)
 {
 	struct snd_sof_pdata *pdata = sdev->pdata;
@@ -1092,9 +450,8 @@ static struct platform_driver snd_sof_acpi_intel_byt_driver = {
 };
 module_platform_driver(snd_sof_acpi_intel_byt_driver);
 
-#endif /* CONFIG_SND_SOC_SOF_BAYTRAIL */
-
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
 MODULE_IMPORT_NS(SND_SOC_SOF_ACPI_DEV);
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
diff --git a/sound/soc/sof/intel/pci-tng.c b/sound/soc/sof/intel/pci-tng.c
index 94b9704c0117..4ee1da397d4e 100644
--- a/sound/soc/sof/intel/pci-tng.c
+++ b/sound/soc/sof/intel/pci-tng.c
@@ -14,7 +14,10 @@
 #include <sound/soc-acpi-intel-match.h>
 #include <sound/sof.h>
 #include "../ops.h"
+#include "atom.h"
+#include "shim.h"
 #include "../sof-pci-dev.h"
+#include "../sof-audio.h"
 
 /* platform specific devices */
 #include "shim.h"
@@ -29,6 +32,170 @@ static struct snd_soc_acpi_mach sof_tng_machines[] = {
 	{}
 };
 
+static const struct snd_sof_debugfs_map tng_debugfs[] = {
+	{"dmac0", DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"dmac1", DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"ssp0", DSP_BAR, SSP0_OFFSET, SSP_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"ssp1", DSP_BAR, SSP1_OFFSET, SSP_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"ssp2", DSP_BAR, SSP2_OFFSET, SSP_SIZE,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
+	{"iram", DSP_BAR, IRAM_OFFSET, IRAM_SIZE,
+	 SOF_DEBUGFS_ACCESS_D0_ONLY},
+	{"dram", DSP_BAR, DRAM_OFFSET, DRAM_SIZE,
+	 SOF_DEBUGFS_ACCESS_D0_ONLY},
+	{"shim", DSP_BAR, SHIM_OFFSET, SHIM_SIZE_BYT,
+	 SOF_DEBUGFS_ACCESS_ALWAYS},
+};
+
+static int tangier_pci_probe(struct snd_sof_dev *sdev)
+{
+	struct snd_sof_pdata *pdata = sdev->pdata;
+	const struct sof_dev_desc *desc = pdata->desc;
+	struct pci_dev *pci = to_pci_dev(sdev->dev);
+	u32 base, size;
+	int ret;
+
+	/* DSP DMA can only access low 31 bits of host memory */
+	ret = dma_coerce_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31));
+	if (ret < 0) {
+		dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret);
+		return ret;
+	}
+
+	/* LPE base */
+	base = pci_resource_start(pci, desc->resindex_lpe_base) - IRAM_OFFSET;
+	size = PCI_BAR_SIZE;
+
+	dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);
+	sdev->bar[DSP_BAR] = devm_ioremap(sdev->dev, base, size);
+	if (!sdev->bar[DSP_BAR]) {
+		dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n",
+			base, size);
+		return -ENODEV;
+	}
+	dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[DSP_BAR]);
+
+	/* IMR base - optional */
+	if (desc->resindex_imr_base == -1)
+		goto irq;
+
+	base = pci_resource_start(pci, desc->resindex_imr_base);
+	size = pci_resource_len(pci, desc->resindex_imr_base);
+
+	/* some BIOSes don't map IMR */
+	if (base == 0x55aa55aa || base == 0x0) {
+		dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n");
+		goto irq;
+	}
+
+	dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size);
+	sdev->bar[IMR_BAR] = devm_ioremap(sdev->dev, base, size);
+	if (!sdev->bar[IMR_BAR]) {
+		dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n",
+			base, size);
+		return -ENODEV;
+	}
+	dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[IMR_BAR]);
+
+irq:
+	/* register our IRQ */
+	sdev->ipc_irq = pci->irq;
+	dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);
+	ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,
+					atom_irq_handler, atom_irq_thread,
+					0, "AudioDSP", sdev);
+	if (ret < 0) {
+		dev_err(sdev->dev, "error: failed to register IRQ %d\n",
+			sdev->ipc_irq);
+		return ret;
+	}
+
+	/* enable BUSY and disable DONE Interrupt by default */
+	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_IMRX,
+				  SHIM_IMRX_BUSY | SHIM_IMRX_DONE,
+				  SHIM_IMRX_DONE);
+
+	/* set default mailbox offset for FW ready message */
+	sdev->dsp_box.offset = MBOX_OFFSET;
+
+	return ret;
+}
+
+const struct snd_sof_dsp_ops sof_tng_ops = {
+	/* device init */
+	.probe		= tangier_pci_probe,
+
+	/* DSP core boot / reset */
+	.run		= atom_run,
+	.reset		= atom_reset,
+
+	/* Register IO */
+	.write		= sof_io_write,
+	.read		= sof_io_read,
+	.write64	= sof_io_write64,
+	.read64		= sof_io_read64,
+
+	/* Block IO */
+	.block_read	= sof_block_read,
+	.block_write	= sof_block_write,
+
+	/* doorbell */
+	.irq_handler	= atom_irq_handler,
+	.irq_thread	= atom_irq_thread,
+
+	/* ipc */
+	.send_msg	= atom_send_msg,
+	.fw_ready	= sof_fw_ready,
+	.get_mailbox_offset = atom_get_mailbox_offset,
+	.get_window_offset = atom_get_window_offset,
+
+	.ipc_msg_data	= intel_ipc_msg_data,
+	.ipc_pcm_params	= intel_ipc_pcm_params,
+
+	/* machine driver */
+	.machine_select = atom_machine_select,
+	.machine_register = sof_machine_register,
+	.machine_unregister = sof_machine_unregister,
+	.set_mach_params = atom_set_mach_params,
+
+	/* debug */
+	.debug_map	= tng_debugfs,
+	.debug_map_count	= ARRAY_SIZE(tng_debugfs),
+	.dbg_dump	= atom_dump,
+
+	/* stream callbacks */
+	.pcm_open	= intel_pcm_open,
+	.pcm_close	= intel_pcm_close,
+
+	/* module loading */
+	.load_module	= snd_sof_parse_module_memcpy,
+
+	/*Firmware loading */
+	.load_firmware	= snd_sof_load_firmware_memcpy,
+
+	/* DAI drivers */
+	.drv = atom_dai,
+	.num_drv = 3, /* we have only 3 SSPs on byt*/
+
+	/* ALSA HW info flags */
+	.hw_info =	SNDRV_PCM_INFO_MMAP |
+			SNDRV_PCM_INFO_MMAP_VALID |
+			SNDRV_PCM_INFO_INTERLEAVED |
+			SNDRV_PCM_INFO_PAUSE |
+			SNDRV_PCM_INFO_BATCH,
+
+	.arch_ops = &sof_xtensa_arch_ops,
+};
+
+const struct sof_intel_dsp_desc tng_chip_info = {
+	.cores_num = 1,
+	.host_managed_cores_mask = 1,
+};
+
 static const struct sof_dev_desc tng_desc = {
 	.machines		= sof_tng_machines,
 	.resindex_lpe_base	= 3,	/* IRAM, but subtract IRAM offset */
@@ -66,5 +233,7 @@ static struct pci_driver snd_sof_pci_intel_tng_driver = {
 module_pci_driver(snd_sof_pci_intel_tng_driver);
 
 MODULE_LICENSE("Dual BSD/GPL");
-MODULE_IMPORT_NS(SND_SOC_SOF_MERRIFIELD);
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
+MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_ATOM_HIFI_EP);