From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/sound/soc/intel/common/sst-dsp.c | 182 +--------------------------------------------
1 files changed, 4 insertions(+), 178 deletions(-)
diff --git a/kernel/sound/soc/intel/common/sst-dsp.c b/kernel/sound/soc/intel/common/sst-dsp.c
index fd82f4b..229d09d 100644
--- a/kernel/sound/soc/intel/common/sst-dsp.c
+++ b/kernel/sound/soc/intel/common/sst-dsp.c
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel Smart Sound Technology (SST) DSP Core Driver
*
* Copyright (C) 2013, Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version
- * 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#include <linux/slab.h>
@@ -19,7 +10,7 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/io.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
#include <linux/delay.h>
#include "sst-dsp.h"
@@ -43,50 +34,15 @@
void sst_shim32_write64(void __iomem *addr, u32 offset, u64 value)
{
- memcpy_toio(addr + offset, &value, sizeof(value));
+ writeq(value, addr + offset);
}
EXPORT_SYMBOL_GPL(sst_shim32_write64);
u64 sst_shim32_read64(void __iomem *addr, u32 offset)
{
- u64 val;
-
- memcpy_fromio(&val, addr + offset, sizeof(val));
- return val;
+ return readq(addr + offset);
}
EXPORT_SYMBOL_GPL(sst_shim32_read64);
-
-static inline void _sst_memcpy_toio_32(volatile u32 __iomem *dest,
- u32 *src, size_t bytes)
-{
- int i, words = bytes >> 2;
-
- for (i = 0; i < words; i++)
- writel(src[i], dest + i);
-}
-
-static inline void _sst_memcpy_fromio_32(u32 *dest,
- const volatile __iomem u32 *src, size_t bytes)
-{
- int i, words = bytes >> 2;
-
- for (i = 0; i < words; i++)
- dest[i] = readl(src + i);
-}
-
-void sst_memcpy_toio_32(struct sst_dsp *sst,
- void __iomem *dest, void *src, size_t bytes)
-{
- _sst_memcpy_toio_32(dest, src, bytes);
-}
-EXPORT_SYMBOL_GPL(sst_memcpy_toio_32);
-
-void sst_memcpy_fromio_32(struct sst_dsp *sst, void *dest,
- void __iomem *src, size_t bytes)
-{
- _sst_memcpy_fromio_32(dest, src, bytes);
-}
-EXPORT_SYMBOL_GPL(sst_memcpy_fromio_32);
/* Public API */
void sst_dsp_shim_write(struct sst_dsp *sst, u32 offset, u32 value)
@@ -112,29 +68,6 @@
}
EXPORT_SYMBOL_GPL(sst_dsp_shim_read);
-void sst_dsp_shim_write64(struct sst_dsp *sst, u32 offset, u64 value)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&sst->spinlock, flags);
- sst->ops->write64(sst->addr.shim, offset, value);
- spin_unlock_irqrestore(&sst->spinlock, flags);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_write64);
-
-u64 sst_dsp_shim_read64(struct sst_dsp *sst, u32 offset)
-{
- unsigned long flags;
- u64 val;
-
- spin_lock_irqsave(&sst->spinlock, flags);
- val = sst->ops->read64(sst->addr.shim, offset);
- spin_unlock_irqrestore(&sst->spinlock, flags);
-
- return val;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_read64);
-
void sst_dsp_shim_write_unlocked(struct sst_dsp *sst, u32 offset, u32 value)
{
sst->ops->write(sst->addr.shim, offset, value);
@@ -146,18 +79,6 @@
return sst->ops->read(sst->addr.shim, offset);
}
EXPORT_SYMBOL_GPL(sst_dsp_shim_read_unlocked);
-
-void sst_dsp_shim_write64_unlocked(struct sst_dsp *sst, u32 offset, u64 value)
-{
- sst->ops->write64(sst->addr.shim, offset, value);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_write64_unlocked);
-
-u64 sst_dsp_shim_read64_unlocked(struct sst_dsp *sst, u32 offset)
-{
- return sst->ops->read64(sst->addr.shim, offset);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_read64_unlocked);
int sst_dsp_shim_update_bits_unlocked(struct sst_dsp *sst, u32 offset,
u32 mask, u32 value)
@@ -178,24 +99,6 @@
return change;
}
EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits_unlocked);
-
-int sst_dsp_shim_update_bits64_unlocked(struct sst_dsp *sst, u32 offset,
- u64 mask, u64 value)
-{
- bool change;
- u64 old, new;
-
- old = sst_dsp_shim_read64_unlocked(sst, offset);
-
- new = (old & (~mask)) | (value & mask);
-
- change = (old != new);
- if (change)
- sst_dsp_shim_write64_unlocked(sst, offset, new);
-
- return change;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits64_unlocked);
/* This is for registers bits with attribute RWC */
void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset,
@@ -225,19 +128,6 @@
return change;
}
EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits);
-
-int sst_dsp_shim_update_bits64(struct sst_dsp *sst, u32 offset,
- u64 mask, u64 value)
-{
- unsigned long flags;
- bool change;
-
- spin_lock_irqsave(&sst->spinlock, flags);
- change = sst_dsp_shim_update_bits64_unlocked(sst, offset, mask, value);
- spin_unlock_irqrestore(&sst->spinlock, flags);
- return change;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits64);
/* This is for registers bits with attribute RWC */
void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset,
@@ -290,70 +180,6 @@
return -ETIME;
}
EXPORT_SYMBOL_GPL(sst_dsp_register_poll);
-
-void sst_dsp_dump(struct sst_dsp *sst)
-{
- if (sst->ops->dump)
- sst->ops->dump(sst);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_dump);
-
-void sst_dsp_reset(struct sst_dsp *sst)
-{
- if (sst->ops->reset)
- sst->ops->reset(sst);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_reset);
-
-int sst_dsp_boot(struct sst_dsp *sst)
-{
- if (sst->ops->boot)
- sst->ops->boot(sst);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_boot);
-
-int sst_dsp_wake(struct sst_dsp *sst)
-{
- if (sst->ops->wake)
- return sst->ops->wake(sst);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_wake);
-
-void sst_dsp_sleep(struct sst_dsp *sst)
-{
- if (sst->ops->sleep)
- sst->ops->sleep(sst);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_sleep);
-
-void sst_dsp_stall(struct sst_dsp *sst)
-{
- if (sst->ops->stall)
- sst->ops->stall(sst);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_stall);
-
-void sst_dsp_ipc_msg_tx(struct sst_dsp *dsp, u32 msg)
-{
- sst_dsp_shim_write_unlocked(dsp, SST_IPCX, msg | SST_IPCX_BUSY);
- trace_sst_ipc_msg_tx(msg);
-}
-EXPORT_SYMBOL_GPL(sst_dsp_ipc_msg_tx);
-
-u32 sst_dsp_ipc_msg_rx(struct sst_dsp *dsp)
-{
- u32 msg;
-
- msg = sst_dsp_shim_read_unlocked(dsp, SST_IPCX);
- trace_sst_ipc_msg_rx(msg);
-
- return msg;
-}
-EXPORT_SYMBOL_GPL(sst_dsp_ipc_msg_rx);
int sst_dsp_mailbox_init(struct sst_dsp *sst, u32 inbox_offset, size_t inbox_size,
u32 outbox_offset, size_t outbox_size)
--
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