ASoC: Intel: avs: Add code loading requests

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>

diff --git a/sound/soc/intel/avs/Makefile b/sound/soc/intel/avs/Makefile
index e243806..c0824f3 100644 (file)
--- 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 (file)
index 0000000..055ba74
--- /dev/null
+++ b/sound/soc/intel/avs/messages.c
@@ -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;
+}

diff --git a/sound/soc/intel/avs/messages.h b/sound/soc/intel/avs/messages.h
index becf336..5e16aab 100644 (file)
--- 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 */