/* SPDX-License-Identifier: (GPL-2.0 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 Intel Corporation. All rights reserved.
*
* Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
*/
#ifndef __SOUND_SOC_SOF_IO_H
#define __SOUND_SOC_SOF_IO_H
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <sound/pcm.h>
#include "sof-priv.h"
#define sof_ops(sdev) \
((sdev)->pdata->desc->ops)
/* Mandatory operations are verified during probing */
/* init */
static inline int snd_sof_probe(struct snd_sof_dev *sdev)
{
return sof_ops(sdev)->probe(sdev);
}
static inline int snd_sof_remove(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->remove)
return sof_ops(sdev)->remove(sdev);
return 0;
}
/* control */
/*
* snd_sof_dsp_run returns the core mask of the cores that are available
* after successful fw boot
*/
static inline int snd_sof_dsp_run(struct snd_sof_dev *sdev)
{
return sof_ops(sdev)->run(sdev);
}
static inline int snd_sof_dsp_stall(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->stall)
return sof_ops(sdev)->stall(sdev);
return 0;
}
static inline int snd_sof_dsp_reset(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->reset)
return sof_ops(sdev)->reset(sdev);
return 0;
}
/* dsp core power up/power down */
static inline int snd_sof_dsp_core_power_up(struct snd_sof_dev *sdev,
unsigned int core_mask)
{
if (sof_ops(sdev)->core_power_up)
return sof_ops(sdev)->core_power_up(sdev, core_mask);
return 0;
}
static inline int snd_sof_dsp_core_power_down(struct snd_sof_dev *sdev,
unsigned int core_mask)
{
if (sof_ops(sdev)->core_power_down)
return sof_ops(sdev)->core_power_down(sdev, core_mask);
return 0;
}
/* pre/post fw load */
static inline int snd_sof_dsp_pre_fw_run(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->pre_fw_run)
return sof_ops(sdev)->pre_fw_run(sdev);
return 0;
}
static inline int snd_sof_dsp_post_fw_run(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->post_fw_run)
return sof_ops(sdev)->post_fw_run(sdev);
return 0;
}
/* power management */
static inline int snd_sof_dsp_resume(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->resume)
return sof_ops(sdev)->resume(sdev);
return 0;
}
static inline int snd_sof_dsp_suspend(struct snd_sof_dev *sdev, int state)
{
if (sof_ops(sdev)->suspend)
return sof_ops(sdev)->suspend(sdev, state);
return 0;
}
static inline int snd_sof_dsp_runtime_resume(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->runtime_resume)
return sof_ops(sdev)->runtime_resume(sdev);
return 0;
}
static inline int snd_sof_dsp_runtime_suspend(struct snd_sof_dev *sdev,
int state)
{
if (sof_ops(sdev)->runtime_suspend)
return sof_ops(sdev)->runtime_suspend(sdev, state);
return 0;
}
static inline int snd_sof_dsp_hw_params_upon_resume(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->set_hw_params_upon_resume)
return sof_ops(sdev)->set_hw_params_upon_resume(sdev);
return 0;
}
static inline int snd_sof_dsp_set_clk(struct snd_sof_dev *sdev, u32 freq)
{
if (sof_ops(sdev)->set_clk)
return sof_ops(sdev)->set_clk(sdev, freq);
return 0;
}
/* debug */
static inline void snd_sof_dsp_dbg_dump(struct snd_sof_dev *sdev, u32 flags)
{
if (sof_ops(sdev)->dbg_dump)
return sof_ops(sdev)->dbg_dump(sdev, flags);
}
static inline void snd_sof_ipc_dump(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->ipc_dump)
return sof_ops(sdev)->ipc_dump(sdev);
}
/* register IO */
static inline void snd_sof_dsp_write(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u32 value)
{
if (sof_ops(sdev)->write) {
sof_ops(sdev)->write(sdev, sdev->bar[bar] + offset, value);
return;
}
dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
}
static inline void snd_sof_dsp_write64(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u64 value)
{
if (sof_ops(sdev)->write64) {
sof_ops(sdev)->write64(sdev, sdev->bar[bar] + offset, value);
return;
}
dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
}
static inline u32 snd_sof_dsp_read(struct snd_sof_dev *sdev, u32 bar,
u32 offset)
{
if (sof_ops(sdev)->read)
return sof_ops(sdev)->read(sdev, sdev->bar[bar] + offset);
dev_err(sdev->dev, "error: %s not defined\n", __func__);
return -ENOTSUPP;
}
static inline u64 snd_sof_dsp_read64(struct snd_sof_dev *sdev, u32 bar,
u32 offset)
{
if (sof_ops(sdev)->read64)
return sof_ops(sdev)->read64(sdev, sdev->bar[bar] + offset);
dev_err(sdev->dev, "error: %s not defined\n", __func__);
return -ENOTSUPP;
}
/* block IO */
static inline void snd_sof_dsp_block_read(struct snd_sof_dev *sdev, u32 bar,
u32 offset, void *dest, size_t bytes)
{
sof_ops(sdev)->block_read(sdev, bar, offset, dest, bytes);
}
static inline void snd_sof_dsp_block_write(struct snd_sof_dev *sdev, u32 bar,
u32 offset, void *src, size_t bytes)
{
sof_ops(sdev)->block_write(sdev, bar, offset, src, bytes);
}
/* ipc */
static inline int snd_sof_dsp_send_msg(struct snd_sof_dev *sdev,
struct snd_sof_ipc_msg *msg)
{
return sof_ops(sdev)->send_msg(sdev, msg);
}
/* host DMA trace */
static inline int snd_sof_dma_trace_init(struct snd_sof_dev *sdev,
u32 *stream_tag)
{
if (sof_ops(sdev)->trace_init)
return sof_ops(sdev)->trace_init(sdev, stream_tag);
return 0;
}
static inline int snd_sof_dma_trace_release(struct snd_sof_dev *sdev)
{
if (sof_ops(sdev)->trace_release)
return sof_ops(sdev)->trace_release(sdev);
return 0;
}
static inline int snd_sof_dma_trace_trigger(struct snd_sof_dev *sdev, int cmd)
{
if (sof_ops(sdev)->trace_trigger)
return sof_ops(sdev)->trace_trigger(sdev, cmd);
return 0;
}
/* host PCM ops */
static inline int
snd_sof_pcm_platform_open(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream)
{
if (sof_ops(sdev) && sof_ops(sdev)->pcm_open)
return sof_ops(sdev)->pcm_open(sdev, substream);
return 0;
}
/* disconnect pcm substream to a host stream */
static inline int
snd_sof_pcm_platform_close(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream)
{
if (sof_ops(sdev) && sof_ops(sdev)->pcm_close)
return sof_ops(sdev)->pcm_close(sdev, substream);
return 0;
}
/* host stream hw params */
static inline int
snd_sof_pcm_platform_hw_params(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct sof_ipc_stream_params *ipc_params)
{
if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_params)
return sof_ops(sdev)->pcm_hw_params(sdev, substream,
params, ipc_params);
return 0;
}
/* host stream trigger */
static inline int
snd_sof_pcm_platform_trigger(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream, int cmd)
{
if (sof_ops(sdev) && sof_ops(sdev)->pcm_trigger)
return sof_ops(sdev)->pcm_trigger(sdev, substream, cmd);
return 0;
}
/* host DSP message data */
static inline void snd_sof_ipc_msg_data(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
void *p, size_t sz)
{
sof_ops(sdev)->ipc_msg_data(sdev, substream, p, sz);
}
/* host configure DSP HW parameters */
static inline int
snd_sof_ipc_pcm_params(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
const struct sof_ipc_pcm_params_reply *reply)
{
return sof_ops(sdev)->ipc_pcm_params(sdev, substream, reply);
}
/* host stream pointer */
static inline snd_pcm_uframes_t
snd_sof_pcm_platform_pointer(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream)
{
if (sof_ops(sdev) && sof_ops(sdev)->pcm_pointer)
return sof_ops(sdev)->pcm_pointer(sdev, substream);
return 0;
}
static inline const struct snd_sof_dsp_ops
*sof_get_ops(const struct sof_dev_desc *d,
const struct sof_ops_table mach_ops[], int asize)
{
int i;
for (i = 0; i < asize; i++) {
if (d == mach_ops[i].desc)
return mach_ops[i].ops;
}
/* not found */
return NULL;
}
/**
* snd_sof_dsp_register_poll_timeout - Periodically poll an address
* until a condition is met or a timeout occurs
* @op: accessor function (takes @addr as its only argument)
* @addr: Address to poll
* @val: Variable to read the value into
* @cond: Break condition (usually involving @val)
* @sleep_us: Maximum time to sleep between reads in us (0
* tight-loops). Should be less than ~20ms since usleep_range
* is used (see Documentation/timers/timers-howto.txt).
* @timeout_us: Timeout in us, 0 means never timeout
*
* Returns 0 on success and -ETIMEDOUT upon a timeout. In either
* case, the last read value at @addr is stored in @val. Must not
* be called from atomic context if sleep_us or timeout_us are used.
*
* This is modelled after the readx_poll_timeout macros in linux/iopoll.h.
*/
#define snd_sof_dsp_read_poll_timeout(sdev, bar, offset, val, cond, sleep_us, timeout_us) \
({ \
u64 __timeout_us = (timeout_us); \
unsigned long __sleep_us = (sleep_us); \
ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
might_sleep_if((__sleep_us) != 0); \
for (;;) { \
(val) = snd_sof_dsp_read(sdev, bar, offset); \
if (cond) { \
dev_dbg(sdev->dev, \
"FW Poll Status: reg=%#x successful\n", (val)); \
break; \
} \
if (__timeout_us && \
ktime_compare(ktime_get(), __timeout) > 0) { \
(val) = snd_sof_dsp_read(sdev, bar, offset); \
dev_dbg(sdev->dev, \
"FW Poll Status: reg=%#x timedout\n", (val)); \
break; \
} \
if (__sleep_us) \
usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
} \
(cond) ? 0 : -ETIMEDOUT; \
})
/* This is for registers bits with attribute RWC */
bool snd_sof_pci_update_bits(struct snd_sof_dev *sdev, u32 offset,
u32 mask, u32 value);
bool snd_sof_dsp_update_bits_unlocked(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u32 mask, u32 value);
bool snd_sof_dsp_update_bits64_unlocked(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u64 mask, u64 value);
bool snd_sof_dsp_update_bits(struct snd_sof_dev *sdev, u32 bar, u32 offset,
u32 mask, u32 value);
bool snd_sof_dsp_update_bits64(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u64 mask, u64 value);
void snd_sof_dsp_update_bits_forced(struct snd_sof_dev *sdev, u32 bar,
u32 offset, u32 mask, u32 value);
int snd_sof_dsp_register_poll(struct snd_sof_dev *sdev, u32 bar, u32 offset,
u32 mask, u32 target, u32 timeout_ms,
u32 interval_us);
void snd_sof_dsp_panic(struct snd_sof_dev *sdev, u32 offset);
#endif
