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ASoC: Intel: avs: Add code loading requests

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Before firmware and its modules can be used, they have to be loaded.
Code loading process is complex and is a combination of DMA and IPC
operations. Here, IPC part is being added and accounts for CLDMA and HDA
mechanisms both.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220311153544.136854-6-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Cezary Rojewski 2022-03-11 16:35:32 +01:00 committed by Mark Brown
parent 2879516fcd
commit cb1eb6b5be
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GPG Key ID: 24D68B725D5487D0
3 changed files with 88 additions and 1 deletions
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2
sound/soc/intel/avs/Makefile
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@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
snd-soc-avs-objs := dsp.o ipc.o
snd-soc-avs-objs := dsp.o ipc.o messages.o
obj-$(CONFIG_SND_SOC_INTEL_AVS) += snd-soc-avs.o

65
sound/soc/intel/avs/messages.c Normal file
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@ -0,0 +1,65 @@
// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
//
// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
//
#include "avs.h"
#include "messages.h"
#define AVS_CL_TIMEOUT_MS 5000
int avs_ipc_load_modules(struct avs_dev *adev, u16 *mod_ids, u32 num_mod_ids)
{
union avs_global_msg msg = AVS_GLOBAL_REQUEST(LOAD_MULTIPLE_MODULES);
struct avs_ipc_msg request;
int ret;
msg.load_multi_mods.mod_cnt = num_mod_ids;
request.header = msg.val;
request.data = mod_ids;
request.size = sizeof(*mod_ids) * num_mod_ids;
ret = avs_dsp_send_msg_timeout(adev, &request, NULL, AVS_CL_TIMEOUT_MS);
if (ret)
avs_ipc_err(adev, &request, "load multiple modules", ret);
return ret;
}
int avs_ipc_unload_modules(struct avs_dev *adev, u16 *mod_ids, u32 num_mod_ids)
{
union avs_global_msg msg = AVS_GLOBAL_REQUEST(UNLOAD_MULTIPLE_MODULES);
struct avs_ipc_msg request;
int ret;
msg.load_multi_mods.mod_cnt = num_mod_ids;
request.header = msg.val;
request.data = mod_ids;
request.size = sizeof(*mod_ids) * num_mod_ids;
ret = avs_dsp_send_msg_timeout(adev, &request, NULL, AVS_CL_TIMEOUT_MS);
if (ret)
avs_ipc_err(adev, &request, "unload multiple modules", ret);
return ret;
}
int avs_ipc_load_library(struct avs_dev *adev, u32 dma_id, u32 lib_id)
{
union avs_global_msg msg = AVS_GLOBAL_REQUEST(LOAD_LIBRARY);
struct avs_ipc_msg request = {{0}};
int ret;
msg.load_lib.dma_id = dma_id;
msg.load_lib.lib_id = lib_id;
request.header = msg.val;
ret = avs_dsp_send_msg_timeout(adev, &request, NULL, AVS_CL_TIMEOUT_MS);
if (ret)
avs_ipc_err(adev, &request, "load library", ret);
return ret;
}

22
sound/soc/intel/avs/messages.h
View File

@ -24,6 +24,9 @@ enum avs_msg_direction {
};
enum avs_global_msg_type {
AVS_GLB_LOAD_MULTIPLE_MODULES = 15,
AVS_GLB_UNLOAD_MULTIPLE_MODULES = 16,
AVS_GLB_LOAD_LIBRARY = 24,
AVS_GLB_NOTIFICATION = 27,
};
@ -38,6 +41,16 @@ union avs_global_msg {
u32 msg_direction:1;
u32 msg_target:1;
};
/* module loading */
struct {
u32 mod_cnt:8;
} load_multi_mods;
/* library loading */
struct {
u32 dma_id:5;
u32 rsvd:11;
u32 lib_id:4;
} load_lib;
};
union {
u32 val;
@ -84,6 +97,10 @@ union avs_reply_msg {
};
union {
u32 val;
/* module loading */
struct {
u32 err_mod_id:16;
} load_multi_mods;
} ext;
};
} __packed;
@ -167,4 +184,9 @@ struct avs_notify_mod_data {
u32 data[];
} __packed;
/* Code loading messages */
int avs_ipc_load_modules(struct avs_dev *adev, u16 *mod_ids, u32 num_mod_ids);
int avs_ipc_unload_modules(struct avs_dev *adev, u16 *mod_ids, u32 num_mod_ids);
int avs_ipc_load_library(struct avs_dev *adev, u32 dma_id, u32 lib_id);
#endif /* __SOUND_SOC_INTEL_AVS_MSGS_H */