1 files changed, 313 insertions, 0 deletions
diff --git a/sound/soc/intel/catpt/messages.c b/sound/soc/intel/catpt/messages.c
new file mode 100644
index 000000000000..a793d114afa4
--- /dev/null
+++ b/sound/soc/intel/catpt/messages.c
@@ -0,0 +1,313 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2020 Intel Corporation. All rights reserved.
+//
+// Author: Cezary Rojewski <cezary.rojewski@intel.com>
+//
+
+#include <linux/slab.h>
+#include "core.h"
+#include "messages.h"
+#include "registers.h"
+
+int catpt_ipc_get_fw_version(struct catpt_dev *cdev,
+			     struct catpt_fw_version *version)
+{
+	union catpt_global_msg msg = CATPT_GLOBAL_MSG(GET_FW_VERSION);
+	struct catpt_ipc_msg request = {{0}}, reply;
+	int ret;
+
+	request.header = msg.val;
+	reply.size = sizeof(*version);
+	reply.data = version;
+
+	ret = catpt_dsp_send_msg(cdev, request, &reply);
+	if (ret)
+		dev_err(cdev->dev, "get fw version failed: %d\n", ret);
+
+	return ret;
+}
+
+struct catpt_alloc_stream_input {
+	enum catpt_path_id path_id:8;
+	enum catpt_stream_type stream_type:8;
+	enum catpt_format_id format_id:8;
+	u8 reserved;
+	struct catpt_audio_format input_format;
+	struct catpt_ring_info ring_info;
+	u8 num_entries;
+	/* flex array with entries here */
+	struct catpt_memory_info persistent_mem;
+	struct catpt_memory_info scratch_mem;
+	u32 num_notifications; /* obsolete */
+} __packed;
+
+int catpt_ipc_alloc_stream(struct catpt_dev *cdev,
+			   enum catpt_path_id path_id,
+			   enum catpt_stream_type type,
+			   struct catpt_audio_format *afmt,
+			   struct catpt_ring_info *rinfo,
+			   u8 num_modules,
+			   struct catpt_module_entry *modules,
+			   struct resource *persistent,
+			   struct resource *scratch,
+			   struct catpt_stream_info *sinfo)
+{
+	union catpt_global_msg msg = CATPT_GLOBAL_MSG(ALLOCATE_STREAM);
+	struct catpt_alloc_stream_input input;
+	struct catpt_ipc_msg request, reply;
+	size_t size, arrsz;
+	u8 *payload;
+	off_t off;
+	int ret;
+
+	off = offsetof(struct catpt_alloc_stream_input, persistent_mem);
+	arrsz = sizeof(*modules) * num_modules;
+	size = sizeof(input) + arrsz;
+
+	payload = kzalloc(size, GFP_KERNEL);
+	if (!payload)
+		return -ENOMEM;
+
+	memset(&input, 0, sizeof(input));
+	input.path_id = path_id;
+	input.stream_type = type;
+	input.format_id = CATPT_FORMAT_PCM;
+	input.input_format = *afmt;
+	input.ring_info = *rinfo;
+	input.num_entries = num_modules;
+	input.persistent_mem.offset = catpt_to_dsp_offset(persistent->start);
+	input.persistent_mem.size = resource_size(persistent);
+	if (scratch) {
+		input.scratch_mem.offset = catpt_to_dsp_offset(scratch->start);
+		input.scratch_mem.size = resource_size(scratch);
+	}
+
+	/* re-arrange the input: account for flex array 'entries' */
+	memcpy(payload, &input, sizeof(input));
+	memmove(payload + off + arrsz, payload + off, sizeof(input) - off);
+	memcpy(payload + off, modules, arrsz);
+
+	request.header = msg.val;
+	request.size = size;
+	request.data = payload;
+	reply.size = sizeof(*sinfo);
+	reply.data = sinfo;
+
+	ret = catpt_dsp_send_msg(cdev, request, &reply);
+	if (ret)
+		dev_err(cdev->dev, "alloc stream type %d failed: %d\n",
+			type, ret);
+
+	kfree(payload);
+	return ret;
+}
+
+int catpt_ipc_free_stream(struct catpt_dev *cdev, u8 stream_hw_id)
+{
+	union catpt_global_msg msg = CATPT_GLOBAL_MSG(FREE_STREAM);
+	struct catpt_ipc_msg request;
+	int ret;
+
+	request.header = msg.val;
+	request.size = sizeof(stream_hw_id);
+	request.data = &stream_hw_id;
+
+	ret = catpt_dsp_send_msg(cdev, request, NULL);
+	if (ret)
+		dev_err(cdev->dev, "free stream %d failed: %d\n",
+			stream_hw_id, ret);
+
+	return ret;
+}
+
+int catpt_ipc_set_device_format(struct catpt_dev *cdev,
+				struct catpt_ssp_device_format *devfmt)
+{
+	union catpt_global_msg msg = CATPT_GLOBAL_MSG(SET_DEVICE_FORMATS);
+	struct catpt_ipc_msg request;
+	int ret;
+
+	request.header = msg.val;
+	request.size = sizeof(*devfmt);
+	request.data = devfmt;
+
+	ret = catpt_dsp_send_msg(cdev, request, NULL);
+	if (ret)
+		dev_err(cdev->dev, "set device format failed: %d\n", ret);
+
+	return ret;
+}
+
+int catpt_ipc_enter_dxstate(struct catpt_dev *cdev, enum catpt_dx_state state,
+			    struct catpt_dx_context *context)
+{
+	union catpt_global_msg msg = CATPT_GLOBAL_MSG(ENTER_DX_STATE);
+	struct catpt_ipc_msg request, reply;
+	int ret;
+
+	request.header = msg.val;
+	request.size = sizeof(state);
+	request.data = &state;
+	reply.size = sizeof(*context);
+	reply.data = context;
+
+	ret = catpt_dsp_send_msg(cdev, request, &reply);
+	if (ret)
+		dev_err(cdev->dev, "enter dx state failed: %d\n", ret);
+
+	return ret;
+}
+
+int catpt_ipc_get_mixer_stream_info(struct catpt_dev *cdev,
+				    struct catpt_mixer_stream_info *info)
+{
+	union catpt_global_msg msg = CATPT_GLOBAL_MSG(GET_MIXER_STREAM_INFO);
+	struct catpt_ipc_msg request = {{0}}, reply;
+	int ret;
+
+	request.header = msg.val;
+	reply.size = sizeof(*info);
+	reply.data = info;
+
+	ret = catpt_dsp_send_msg(cdev, request, &reply);
+	if (ret)
+		dev_err(cdev->dev, "get mixer info failed: %d\n", ret);
+
+	return ret;
+}
+
+int catpt_ipc_reset_stream(struct catpt_dev *cdev, u8 stream_hw_id)
+{
+	union catpt_stream_msg msg = CATPT_STREAM_MSG(RESET_STREAM);
+	struct catpt_ipc_msg request = {{0}};
+	int ret;
+
+	msg.stream_hw_id = stream_hw_id;
+	request.header = msg.val;
+
+	ret = catpt_dsp_send_msg(cdev, request, NULL);
+	if (ret)
+		dev_err(cdev->dev, "reset stream %d failed: %d\n",
+			stream_hw_id, ret);
+
+	return ret;
+}
+
+int catpt_ipc_pause_stream(struct catpt_dev *cdev, u8 stream_hw_id)
+{
+	union catpt_stream_msg msg = CATPT_STREAM_MSG(PAUSE_STREAM);
+	struct catpt_ipc_msg request = {{0}};
+	int ret;
+
+	msg.stream_hw_id = stream_hw_id;
+	request.header = msg.val;
+
+	ret = catpt_dsp_send_msg(cdev, request, NULL);
+	if (ret)
+		dev_err(cdev->dev, "pause stream %d failed: %d\n",
+			stream_hw_id, ret);
+
+	return ret;
+}
+
+int catpt_ipc_resume_stream(struct catpt_dev *cdev, u8 stream_hw_id)
+{
+	union catpt_stream_msg msg = CATPT_STREAM_MSG(RESUME_STREAM);
+	struct catpt_ipc_msg request = {{0}};
+	int ret;
+
+	msg.stream_hw_id = stream_hw_id;
+	request.header = msg.val;
+
+	ret = catpt_dsp_send_msg(cdev, request, NULL);
+	if (ret)
+		dev_err(cdev->dev, "resume stream %d failed: %d\n",
+			stream_hw_id, ret);
+
+	return ret;
+}
+
+struct catpt_set_volume_input {
+	u32 channel;
+	u32 target_volume;
+	u64 curve_duration;
+	u32 curve_type;
+} __packed;
+
+int catpt_ipc_set_volume(struct catpt_dev *cdev, u8 stream_hw_id,
+			 u32 channel, u32 volume,
+			 u32 curve_duration,
+			 enum catpt_audio_curve_type curve_type)
+{
+	union catpt_stream_msg msg = CATPT_STAGE_MSG(SET_VOLUME);
+	struct catpt_ipc_msg request;
+	struct catpt_set_volume_input input;
+	int ret;
+
+	msg.stream_hw_id = stream_hw_id;
+	input.channel = channel;
+	input.target_volume = volume;
+	input.curve_duration = curve_duration;
+	input.curve_type = curve_type;
+
+	request.header = msg.val;
+	request.size = sizeof(input);
+	request.data = &input;
+
+	ret = catpt_dsp_send_msg(cdev, request, NULL);
+	if (ret)
+		dev_err(cdev->dev, "set stream %d volume failed: %d\n",
+			stream_hw_id, ret);
+
+	return ret;
+}
+
+struct catpt_set_write_pos_input {
+	u32 new_write_pos;
+	bool end_of_buffer;
+	bool low_latency;
+} __packed;
+
+int catpt_ipc_set_write_pos(struct catpt_dev *cdev, u8 stream_hw_id,
+			    u32 pos, bool eob, bool ll)
+{
+	union catpt_stream_msg msg = CATPT_STAGE_MSG(SET_WRITE_POSITION);
+	struct catpt_ipc_msg request;
+	struct catpt_set_write_pos_input input;
+	int ret;
+
+	msg.stream_hw_id = stream_hw_id;
+	input.new_write_pos = pos;
+	input.end_of_buffer = eob;
+	input.low_latency = ll;
+
+	request.header = msg.val;
+	request.size = sizeof(input);
+	request.data = &input;
+
+	ret = catpt_dsp_send_msg(cdev, request, NULL);
+	if (ret)
+		dev_err(cdev->dev, "set stream %d write pos failed: %d\n",
+			stream_hw_id, ret);
+
+	return ret;
+}
+
+int catpt_ipc_mute_loopback(struct catpt_dev *cdev, u8 stream_hw_id, bool mute)
+{
+	union catpt_stream_msg msg = CATPT_STAGE_MSG(MUTE_LOOPBACK);
+	struct catpt_ipc_msg request;
+	int ret;
+
+	msg.stream_hw_id = stream_hw_id;
+	request.header = msg.val;
+	request.size = sizeof(mute);
+	request.data = &mute;
+
+	ret = catpt_dsp_send_msg(cdev, request, NULL);
+	if (ret)
+		dev_err(cdev->dev, "mute loopback failed: %d\n", ret);
+
+	return ret;
+}