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 --- sound/soc/intel/avs/Makefile | 2 +- sound/soc/intel/avs/messages.c | 65 ++++++++++++++++++++++++++++++++++ sound/soc/intel/avs/messages.h | 22 ++++++++++++ 3 files changed, 88 insertions(+), 1 deletion(-) create mode 100644 sound/soc/intel/avs/messages.c
diff --git a/sound/soc/intel/avs/Makefile b/sound/soc/intel/avs/Makefile index e243806dd38a..c0824f30fd3b 100644 --- a/sound/soc/intel/avs/Makefile +++ b/sound/soc/intel/avs/Makefile @@ -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 diff --git a/sound/soc/intel/avs/messages.c b/sound/soc/intel/avs/messages.c new file mode 100644 index 000000000000..8dac946dd8dd --- /dev/null +++ b/sound/soc/intel/avs/messages.c @@ -0,0 +1,65 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2021 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; +} diff --git a/sound/soc/intel/avs/messages.h b/sound/soc/intel/avs/messages.h index 003e634f5547..b9ec1c64179b 100644 --- a/sound/soc/intel/avs/messages.h +++ b/sound/soc/intel/avs/messages.h @@ -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 */