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>

1 files changed, 65 insertions, 0 deletions

diff --git a/sound/soc/intel/avs/messages.c b/sound/soc/intel/avs/messages.c
new file mode 100644
index 000000000000..055ba74f8e0b
--- /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;
+}