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// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2020 Intel Corporation
//
// 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;
request.header = msg.val;
reply.size = sizeof(*version);
reply.data = version;
return catpt_dsp_send_msg(cdev, request, &reply, "get fw version");
}
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, "alloc stream");
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;
request.header = msg.val;
request.size = sizeof(stream_hw_id);
request.data = &stream_hw_id;
return catpt_dsp_send_msg(cdev, request, NULL, "free stream");
}
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;
request.header = msg.val;
request.size = sizeof(*devfmt);
request.data = devfmt;
return catpt_dsp_send_msg(cdev, request, NULL, "set device format");
}
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;
request.header = msg.val;
request.size = sizeof(state);
request.data = &state;
reply.size = sizeof(*context);
reply.data = context;
return catpt_dsp_send_msg(cdev, request, &reply, "enter dx state");
}
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;
request.header = msg.val;
reply.size = sizeof(*info);
reply.data = info;
return catpt_dsp_send_msg(cdev, request, &reply, "get mixer info");
}
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}};
msg.stream_hw_id = stream_hw_id;
request.header = msg.val;
return catpt_dsp_send_msg(cdev, request, NULL, "reset stream");
}
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}};
msg.stream_hw_id = stream_hw_id;
request.header = msg.val;
return catpt_dsp_send_msg(cdev, request, NULL, "pause stream");
}
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}};
msg.stream_hw_id = stream_hw_id;
request.header = msg.val;
return catpt_dsp_send_msg(cdev, request, NULL, "resume stream");
}
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;
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;
return catpt_dsp_send_msg(cdev, request, NULL, "set stream volume");
}
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;
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;
return catpt_dsp_send_msg(cdev, request, NULL, "set stream write pos");
}
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;
msg.stream_hw_id = stream_hw_id;
request.header = msg.val;
request.size = sizeof(mute);
request.data = &mute;
return catpt_dsp_send_msg(cdev, request, NULL, "mute loopback");
}
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