1 files changed, 0 insertions, 250 deletions
diff --git a/sound/soc/intel/common/sst-dsp.c b/sound/soc/intel/common/sst-dsp.c
deleted file mode 100644
index cdd2f7cf50ae..000000000000
--- a/sound/soc/intel/common/sst-dsp.c
+++ /dev/null
@@ -1,250 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Intel Smart Sound Technology (SST) DSP Core Driver
- *
- * Copyright (C) 2013, Intel Corporation
- */
-
-#include <linux/slab.h>
-#include <linux/export.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/io-64-nonatomic-lo-hi.h>
-#include <linux/delay.h>
-
-#include "sst-dsp.h"
-#include "sst-dsp-priv.h"
-
-#define CREATE_TRACE_POINTS
-#include <trace/events/intel-sst.h>
-
-/* Internal generic low-level SST IO functions - can be overidden */
-void sst_shim32_write(void __iomem *addr, u32 offset, u32 value)
-{
-	writel(value, addr + offset);
-}
-EXPORT_SYMBOL_GPL(sst_shim32_write);
-
-u32 sst_shim32_read(void __iomem *addr, u32 offset)
-{
-	return readl(addr + offset);
-}
-EXPORT_SYMBOL_GPL(sst_shim32_read);
-
-void sst_shim32_write64(void __iomem *addr, u32 offset, u64 value)
-{
-	writeq(value, addr + offset);
-}
-EXPORT_SYMBOL_GPL(sst_shim32_write64);
-
-u64 sst_shim32_read64(void __iomem *addr, u32 offset)
-{
-	return readq(addr + offset);
-}
-EXPORT_SYMBOL_GPL(sst_shim32_read64);
-
-/* Public API */
-void sst_dsp_shim_write(struct sst_dsp *sst, u32 offset, u32 value)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sst->spinlock, flags);
-	sst->ops->write(sst->addr.shim, offset, value);
-	spin_unlock_irqrestore(&sst->spinlock, flags);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_write);
-
-u32 sst_dsp_shim_read(struct sst_dsp *sst, u32 offset)
-{
-	unsigned long flags;
-	u32 val;
-
-	spin_lock_irqsave(&sst->spinlock, flags);
-	val = sst->ops->read(sst->addr.shim, offset);
-	spin_unlock_irqrestore(&sst->spinlock, flags);
-
-	return val;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_read);
-
-void sst_dsp_shim_write_unlocked(struct sst_dsp *sst, u32 offset, u32 value)
-{
-	sst->ops->write(sst->addr.shim, offset, value);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_write_unlocked);
-
-u32 sst_dsp_shim_read_unlocked(struct sst_dsp *sst, u32 offset)
-{
-	return sst->ops->read(sst->addr.shim, offset);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_read_unlocked);
-
-int sst_dsp_shim_update_bits_unlocked(struct sst_dsp *sst, u32 offset,
-				u32 mask, u32 value)
-{
-	bool change;
-	unsigned int old, new;
-	u32 ret;
-
-	ret = sst_dsp_shim_read_unlocked(sst, offset);
-
-	old = ret;
-	new = (old & (~mask)) | (value & mask);
-
-	change = (old != new);
-	if (change)
-		sst_dsp_shim_write_unlocked(sst, offset, new);
-
-	return change;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits_unlocked);
-
-/* This is for registers bits with attribute RWC */
-void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset,
-				u32 mask, u32 value)
-{
-	unsigned int old, new;
-	u32 ret;
-
-	ret = sst_dsp_shim_read_unlocked(sst, offset);
-
-	old = ret;
-	new = (old & (~mask)) | (value & mask);
-
-	sst_dsp_shim_write_unlocked(sst, offset, new);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits_forced_unlocked);
-
-int sst_dsp_shim_update_bits(struct sst_dsp *sst, u32 offset,
-				u32 mask, u32 value)
-{
-	unsigned long flags;
-	bool change;
-
-	spin_lock_irqsave(&sst->spinlock, flags);
-	change = sst_dsp_shim_update_bits_unlocked(sst, offset, mask, value);
-	spin_unlock_irqrestore(&sst->spinlock, flags);
-	return change;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits);
-
-/* This is for registers bits with attribute RWC */
-void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset,
-				u32 mask, u32 value)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&sst->spinlock, flags);
-	sst_dsp_shim_update_bits_forced_unlocked(sst, offset, mask, value);
-	spin_unlock_irqrestore(&sst->spinlock, flags);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits_forced);
-
-int sst_dsp_register_poll(struct sst_dsp *ctx, u32 offset, u32 mask,
-			 u32 target, u32 time, char *operation)
-{
-	u32 reg;
-	unsigned long timeout;
-	int k = 0, s = 500;
-
-	/*
-	 * split the loop into sleeps of varying resolution. more accurately,
-	 * the range of wakeups are:
-	 * Phase 1(first 5ms): min sleep 0.5ms; max sleep 1ms.
-	 * Phase 2:( 5ms to 10ms) : min sleep 0.5ms; max sleep 10ms
-	 * (usleep_range (500, 1000) and usleep_range(5000, 10000) are
-	 * both possible in this phase depending on whether k > 10 or not).
-	 * Phase 3: (beyond 10 ms) min sleep 5ms; max sleep 10ms.
-	 */
-
-	timeout = jiffies + msecs_to_jiffies(time);
-	while ((((reg = sst_dsp_shim_read_unlocked(ctx, offset)) & mask) != target)
-		&& time_before(jiffies, timeout)) {
-		k++;
-		if (k > 10)
-			s = 5000;
-
-		usleep_range(s, 2*s);
-	}
-
-	if ((reg & mask) == target) {
-		dev_dbg(ctx->dev, "FW Poll Status: reg=%#x %s successful\n",
-					reg, operation);
-
-		return 0;
-	}
-
-	dev_dbg(ctx->dev, "FW Poll Status: reg=%#x %s timedout\n",
-					reg, operation);
-	return -ETIME;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_register_poll);
-
-int sst_dsp_mailbox_init(struct sst_dsp *sst, u32 inbox_offset, size_t inbox_size,
-	u32 outbox_offset, size_t outbox_size)
-{
-	sst->mailbox.in_base = sst->addr.lpe + inbox_offset;
-	sst->mailbox.out_base = sst->addr.lpe + outbox_offset;
-	sst->mailbox.in_size = inbox_size;
-	sst->mailbox.out_size = outbox_size;
-	return 0;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_mailbox_init);
-
-void sst_dsp_outbox_write(struct sst_dsp *sst, void *message, size_t bytes)
-{
-	u32 i;
-
-	trace_sst_ipc_outbox_write(bytes);
-
-	memcpy_toio(sst->mailbox.out_base, message, bytes);
-
-	for (i = 0; i < bytes; i += 4)
-		trace_sst_ipc_outbox_wdata(i, *(u32 *)(message + i));
-}
-EXPORT_SYMBOL_GPL(sst_dsp_outbox_write);
-
-void sst_dsp_outbox_read(struct sst_dsp *sst, void *message, size_t bytes)
-{
-	u32 i;
-
-	trace_sst_ipc_outbox_read(bytes);
-
-	memcpy_fromio(message, sst->mailbox.out_base, bytes);
-
-	for (i = 0; i < bytes; i += 4)
-		trace_sst_ipc_outbox_rdata(i, *(u32 *)(message + i));
-}
-EXPORT_SYMBOL_GPL(sst_dsp_outbox_read);
-
-void sst_dsp_inbox_write(struct sst_dsp *sst, void *message, size_t bytes)
-{
-	u32 i;
-
-	trace_sst_ipc_inbox_write(bytes);
-
-	memcpy_toio(sst->mailbox.in_base, message, bytes);
-
-	for (i = 0; i < bytes; i += 4)
-		trace_sst_ipc_inbox_wdata(i, *(u32 *)(message + i));
-}
-EXPORT_SYMBOL_GPL(sst_dsp_inbox_write);
-
-void sst_dsp_inbox_read(struct sst_dsp *sst, void *message, size_t bytes)
-{
-	u32 i;
-
-	trace_sst_ipc_inbox_read(bytes);
-
-	memcpy_fromio(message, sst->mailbox.in_base, bytes);
-
-	for (i = 0; i < bytes; i += 4)
-		trace_sst_ipc_inbox_rdata(i, *(u32 *)(message + i));
-}
-EXPORT_SYMBOL_GPL(sst_dsp_inbox_read);
-
-/* Module information */
-MODULE_AUTHOR("Liam Girdwood");
-MODULE_DESCRIPTION("Intel SST Core");
-MODULE_LICENSE("GPL v2");