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-rw-r--r--sound/soc/sof/ops.h628
1 files changed, 628 insertions, 0 deletions
diff --git a/sound/soc/sof/ops.h b/sound/soc/sof/ops.h
new file mode 100644
index 0000000000..9ab7b9be76
--- /dev/null
+++ b/sound/soc/sof/ops.h
@@ -0,0 +1,628 @@
+/* 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 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)
+
+static inline int sof_ops_init(struct snd_sof_dev *sdev)
+{
+ if (sdev->pdata->desc->ops_init)
+ return sdev->pdata->desc->ops_init(sdev);
+
+ return 0;
+}
+
+static inline void sof_ops_free(struct snd_sof_dev *sdev)
+{
+ if (sdev->pdata->desc->ops_free)
+ sdev->pdata->desc->ops_free(sdev);
+}
+
+/* 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;
+}
+
+static inline int snd_sof_shutdown(struct snd_sof_dev *sdev)
+{
+ if (sof_ops(sdev)->shutdown)
+ return sof_ops(sdev)->shutdown(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, unsigned int core_mask)
+{
+ if (sof_ops(sdev)->stall)
+ return sof_ops(sdev)->stall(sdev, core_mask);
+
+ 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 get/put */
+static inline int snd_sof_dsp_core_get(struct snd_sof_dev *sdev, int core)
+{
+ if (core > sdev->num_cores - 1) {
+ dev_err(sdev->dev, "invalid core id: %d for num_cores: %d\n", core,
+ sdev->num_cores);
+ return -EINVAL;
+ }
+
+ if (sof_ops(sdev)->core_get) {
+ int ret;
+
+ /* if current ref_count is > 0, increment it and return */
+ if (sdev->dsp_core_ref_count[core] > 0) {
+ sdev->dsp_core_ref_count[core]++;
+ return 0;
+ }
+
+ /* power up the core */
+ ret = sof_ops(sdev)->core_get(sdev, core);
+ if (ret < 0)
+ return ret;
+
+ /* increment ref_count */
+ sdev->dsp_core_ref_count[core]++;
+
+ /* and update enabled_cores_mask */
+ sdev->enabled_cores_mask |= BIT(core);
+
+ dev_dbg(sdev->dev, "Core %d powered up\n", core);
+ }
+
+ return 0;
+}
+
+static inline int snd_sof_dsp_core_put(struct snd_sof_dev *sdev, int core)
+{
+ if (core > sdev->num_cores - 1) {
+ dev_err(sdev->dev, "invalid core id: %d for num_cores: %d\n", core,
+ sdev->num_cores);
+ return -EINVAL;
+ }
+
+ if (sof_ops(sdev)->core_put) {
+ int ret;
+
+ /* decrement ref_count and return if it is > 0 */
+ if (--(sdev->dsp_core_ref_count[core]) > 0)
+ return 0;
+
+ /* power down the core */
+ ret = sof_ops(sdev)->core_put(sdev, core);
+ if (ret < 0)
+ return ret;
+
+ /* and update enabled_cores_mask */
+ sdev->enabled_cores_mask &= ~BIT(core);
+
+ dev_dbg(sdev->dev, "Core %d powered down\n", core);
+ }
+
+ 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;
+}
+
+/* parse platform specific extended manifest */
+static inline int snd_sof_dsp_parse_platform_ext_manifest(struct snd_sof_dev *sdev,
+ const struct sof_ext_man_elem_header *hdr)
+{
+ if (sof_ops(sdev)->parse_platform_ext_manifest)
+ return sof_ops(sdev)->parse_platform_ext_manifest(sdev, hdr);
+
+ return 0;
+}
+
+/* misc */
+
+/**
+ * snd_sof_dsp_get_bar_index - Maps a section type with a BAR index
+ *
+ * @sdev: sof device
+ * @type: section type as described by snd_sof_fw_blk_type
+ *
+ * Returns the corresponding BAR index (a positive integer) or -EINVAL
+ * in case there is no mapping
+ */
+static inline int snd_sof_dsp_get_bar_index(struct snd_sof_dev *sdev, u32 type)
+{
+ if (sof_ops(sdev)->get_bar_index)
+ return sof_ops(sdev)->get_bar_index(sdev, type);
+
+ return sdev->mmio_bar;
+}
+
+static inline int snd_sof_dsp_get_mailbox_offset(struct snd_sof_dev *sdev)
+{
+ if (sof_ops(sdev)->get_mailbox_offset)
+ return sof_ops(sdev)->get_mailbox_offset(sdev);
+
+ dev_err(sdev->dev, "error: %s not defined\n", __func__);
+ return -ENOTSUPP;
+}
+
+static inline int snd_sof_dsp_get_window_offset(struct snd_sof_dev *sdev,
+ u32 id)
+{
+ if (sof_ops(sdev)->get_window_offset)
+ return sof_ops(sdev)->get_window_offset(sdev, id);
+
+ dev_err(sdev->dev, "error: %s not defined\n", __func__);
+ return -ENOTSUPP;
+}
+/* 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,
+ u32 target_state)
+{
+ if (sof_ops(sdev)->suspend)
+ return sof_ops(sdev)->suspend(sdev, target_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)
+{
+ if (sof_ops(sdev)->runtime_suspend)
+ return sof_ops(sdev)->runtime_suspend(sdev);
+
+ return 0;
+}
+
+static inline int snd_sof_dsp_runtime_idle(struct snd_sof_dev *sdev)
+{
+ if (sof_ops(sdev)->runtime_idle)
+ return sof_ops(sdev)->runtime_idle(sdev);
+
+ 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;
+}
+
+static inline int
+snd_sof_dsp_set_power_state(struct snd_sof_dev *sdev,
+ const struct sof_dsp_power_state *target_state)
+{
+ int ret = 0;
+
+ mutex_lock(&sdev->power_state_access);
+
+ if (sof_ops(sdev)->set_power_state)
+ ret = sof_ops(sdev)->set_power_state(sdev, target_state);
+
+ mutex_unlock(&sdev->power_state_access);
+
+ return ret;
+}
+
+/* debug */
+void snd_sof_dsp_dbg_dump(struct snd_sof_dev *sdev, const char *msg, u32 flags);
+
+static inline int snd_sof_debugfs_add_region_item(struct snd_sof_dev *sdev,
+ enum snd_sof_fw_blk_type blk_type, u32 offset, size_t size,
+ const char *name, enum sof_debugfs_access_type access_type)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->debugfs_add_region_item)
+ return sof_ops(sdev)->debugfs_add_region_item(sdev, blk_type, offset,
+ size, name, access_type);
+
+ return 0;
+}
+
+/* register IO */
+static inline void snd_sof_dsp_write8(struct snd_sof_dev *sdev, u32 bar,
+ u32 offset, u8 value)
+{
+ if (sof_ops(sdev)->write8)
+ sof_ops(sdev)->write8(sdev, sdev->bar[bar] + offset, value);
+ else
+ writeb(value, sdev->bar[bar] + offset);
+}
+
+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);
+ else
+ writel(value, sdev->bar[bar] + offset);
+}
+
+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);
+ else
+ writeq(value, sdev->bar[bar] + offset);
+}
+
+static inline u8 snd_sof_dsp_read8(struct snd_sof_dev *sdev, u32 bar,
+ u32 offset)
+{
+ if (sof_ops(sdev)->read8)
+ return sof_ops(sdev)->read8(sdev, sdev->bar[bar] + offset);
+ else
+ return readb(sdev->bar[bar] + offset);
+}
+
+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);
+ else
+ return readl(sdev->bar[bar] + offset);
+}
+
+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);
+ else
+ return readq(sdev->bar[bar] + offset);
+}
+
+static inline void snd_sof_dsp_update8(struct snd_sof_dev *sdev, u32 bar,
+ u32 offset, u8 mask, u8 value)
+{
+ u8 reg;
+
+ reg = snd_sof_dsp_read8(sdev, bar, offset);
+ reg &= ~mask;
+ reg |= value;
+ snd_sof_dsp_write8(sdev, bar, offset, reg);
+}
+
+/* block IO */
+static inline int snd_sof_dsp_block_read(struct snd_sof_dev *sdev,
+ enum snd_sof_fw_blk_type blk_type,
+ u32 offset, void *dest, size_t bytes)
+{
+ return sof_ops(sdev)->block_read(sdev, blk_type, offset, dest, bytes);
+}
+
+static inline int snd_sof_dsp_block_write(struct snd_sof_dev *sdev,
+ enum snd_sof_fw_blk_type blk_type,
+ u32 offset, void *src, size_t bytes)
+{
+ return sof_ops(sdev)->block_write(sdev, blk_type, offset, src, bytes);
+}
+
+/* mailbox IO */
+static inline void snd_sof_dsp_mailbox_read(struct snd_sof_dev *sdev,
+ u32 offset, void *dest, size_t bytes)
+{
+ if (sof_ops(sdev)->mailbox_read)
+ sof_ops(sdev)->mailbox_read(sdev, offset, dest, bytes);
+}
+
+static inline void snd_sof_dsp_mailbox_write(struct snd_sof_dev *sdev,
+ u32 offset, void *src, size_t bytes)
+{
+ if (sof_ops(sdev)->mailbox_write)
+ sof_ops(sdev)->mailbox_write(sdev, 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 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 snd_sof_platform_stream_params *platform_params)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_params)
+ return sof_ops(sdev)->pcm_hw_params(sdev, substream, params,
+ platform_params);
+
+ return 0;
+}
+
+/* host stream hw free */
+static inline int
+snd_sof_pcm_platform_hw_free(struct snd_sof_dev *sdev,
+ struct snd_pcm_substream *substream)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_free)
+ return sof_ops(sdev)->pcm_hw_free(sdev, substream);
+
+ 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;
+}
+
+/* Firmware loading */
+static inline int snd_sof_load_firmware(struct snd_sof_dev *sdev)
+{
+ dev_dbg(sdev->dev, "loading firmware\n");
+
+ return sof_ops(sdev)->load_firmware(sdev);
+}
+
+/* host DSP message data */
+static inline int snd_sof_ipc_msg_data(struct snd_sof_dev *sdev,
+ struct snd_sof_pcm_stream *sps,
+ void *p, size_t sz)
+{
+ return sof_ops(sdev)->ipc_msg_data(sdev, sps, p, sz);
+}
+/* host side configuration of the stream's data offset in stream mailbox area */
+static inline int
+snd_sof_set_stream_data_offset(struct snd_sof_dev *sdev,
+ struct snd_sof_pcm_stream *sps,
+ size_t posn_offset)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->set_stream_data_offset)
+ return sof_ops(sdev)->set_stream_data_offset(sdev, sps,
+ posn_offset);
+
+ return 0;
+}
+
+/* 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;
+}
+
+/* pcm ack */
+static inline int snd_sof_pcm_platform_ack(struct snd_sof_dev *sdev,
+ struct snd_pcm_substream *substream)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->pcm_ack)
+ return sof_ops(sdev)->pcm_ack(sdev, substream);
+
+ return 0;
+}
+
+static inline u64 snd_sof_pcm_get_stream_position(struct snd_sof_dev *sdev,
+ struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->get_stream_position)
+ return sof_ops(sdev)->get_stream_position(sdev, component, substream);
+
+ return 0;
+}
+
+/* machine driver */
+static inline int
+snd_sof_machine_register(struct snd_sof_dev *sdev, void *pdata)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->machine_register)
+ return sof_ops(sdev)->machine_register(sdev, pdata);
+
+ return 0;
+}
+
+static inline void
+snd_sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->machine_unregister)
+ sof_ops(sdev)->machine_unregister(sdev, pdata);
+}
+
+static inline struct snd_soc_acpi_mach *
+snd_sof_machine_select(struct snd_sof_dev *sdev)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->machine_select)
+ return sof_ops(sdev)->machine_select(sdev);
+
+ return NULL;
+}
+
+static inline void
+snd_sof_set_mach_params(struct snd_soc_acpi_mach *mach,
+ struct snd_sof_dev *sdev)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->set_mach_params)
+ sof_ops(sdev)->set_mach_params(mach, sdev);
+}
+
+/**
+ * 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.rst).
+ * @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]=%#x successful\n", \
+ (offset), (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]=%#x timedout\n", \
+ (offset), (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, bool non_recoverable);
+#endif
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