1 files changed, 82 insertions, 10 deletions

diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c
index 9b00ede2a486..b11f408f1366 100644
--- a/sound/soc/sof/core.c
+++ b/sound/soc/sof/core.c
@@ -3,7 +3,7 @@
 // This file is provided under a dual BSD/GPLv2 license.  When using or
 // redistributing this file, you may do so under either license.
 //
-// Copyright(c) 2018 Intel Corporation. All rights reserved.
+// Copyright(c) 2018 Intel Corporation
 //
 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
 //
@@ -19,11 +19,47 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/sof.h>
 
+/* Module parameters for firmware, topology and IPC type override */
+static char *override_fw_path;
+module_param_named(fw_path, override_fw_path, charp, 0444);
+MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware.");
+
+static char *override_fw_filename;
+module_param_named(fw_filename, override_fw_filename, charp, 0444);
+MODULE_PARM_DESC(fw_filename, "alternate filename for SOF firmware.");
+
+static char *override_lib_path;
+module_param_named(lib_path, override_lib_path, charp, 0444);
+MODULE_PARM_DESC(lib_path, "alternate path for SOF firmware libraries.");
+
+static char *override_tplg_path;
+module_param_named(tplg_path, override_tplg_path, charp, 0444);
+MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology.");
+
+static char *override_tplg_filename;
+module_param_named(tplg_filename, override_tplg_filename, charp, 0444);
+MODULE_PARM_DESC(tplg_filename, "alternate filename for SOF topology.");
+
+static int override_ipc_type = -1;
+module_param_named(ipc_type, override_ipc_type, int, 0444);
+MODULE_PARM_DESC(ipc_type, "Force SOF IPC type. 0 - IPC3, 1 - IPC4");
+
 /* see SOF_DBG_ flags */
 static int sof_core_debug =  IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_FIRMWARE_TRACE);
 module_param_named(sof_debug, sof_core_debug, int, 0444);
 MODULE_PARM_DESC(sof_debug, "SOF core debug options (0x0 all off)");
 
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
+static unsigned int sof_ipc_timeout_ms;
+static unsigned int sof_boot_timeout_ms;
+module_param_named(ipc_timeout, sof_ipc_timeout_ms, uint, 0444);
+MODULE_PARM_DESC(ipc_timeout,
+		 "Set the IPC timeout value in ms (0 to use the platform default)");
+module_param_named(boot_timeout, sof_boot_timeout_ms, uint, 0444);
+MODULE_PARM_DESC(boot_timeout,
+		 "Set the DSP boot timeout value in ms (0 to use the platform default)");
+#endif
+
 /* SOF defaults if not provided by the platform in ms */
 #define TIMEOUT_DEFAULT_IPC_MS  500
 #define TIMEOUT_DEFAULT_BOOT_MS 2000
@@ -339,8 +375,7 @@ static int sof_init_environment(struct snd_sof_dev *sdev)
 	ret = snd_sof_probe(sdev);
 	if (ret < 0) {
 		dev_err(sdev->dev, "failed to probe DSP %d\n", ret);
-		sof_ops_free(sdev);
-		return ret;
+		goto err_sof_probe;
 	}
 
 	/* check machine info */
@@ -351,22 +386,27 @@ static int sof_init_environment(struct snd_sof_dev *sdev)
 	}
 
 	ret = sof_select_ipc_and_paths(sdev);
-	if (!ret && plat_data->ipc_type != base_profile->ipc_type) {
+	if (ret) {
+		goto err_machine_check;
+	} else if (plat_data->ipc_type != base_profile->ipc_type) {
 		/* IPC type changed, re-initialize the ops */
 		sof_ops_free(sdev);
 
 		ret = validate_sof_ops(sdev);
 		if (ret < 0) {
 			snd_sof_remove(sdev);
+			snd_sof_remove_late(sdev);
 			return ret;
 		}
 	}
 
+	return 0;
+
 err_machine_check:
-	if (ret) {
-		snd_sof_remove(sdev);
-		sof_ops_free(sdev);
-	}
+	snd_sof_remove(sdev);
+err_sof_probe:
+	snd_sof_remove_late(sdev);
+	sof_ops_free(sdev);
 
 	return ret;
 }
@@ -566,6 +606,27 @@ static void sof_probe_work(struct work_struct *work)
 	}
 }
 
+static void
+sof_apply_profile_override(struct sof_loadable_file_profile *path_override,
+			   struct snd_sof_pdata *plat_data)
+{
+	if (override_ipc_type >= 0 && override_ipc_type < SOF_IPC_TYPE_COUNT)
+		path_override->ipc_type = override_ipc_type;
+	if (override_fw_path)
+		path_override->fw_path = override_fw_path;
+	if (override_fw_filename)
+		path_override->fw_name = override_fw_filename;
+	if (override_lib_path)
+		path_override->fw_lib_path = override_lib_path;
+	if (override_tplg_path)
+		path_override->tplg_path = override_tplg_path;
+	if (override_tplg_filename) {
+		path_override->tplg_name = override_tplg_filename;
+		/* User requested a specific topology file and expect it to be loaded */
+		plat_data->disable_function_topology = true;
+	}
+}
+
 int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 {
 	struct snd_sof_dev *sdev;
@@ -597,6 +658,8 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 		}
 	}
 
+	sof_apply_profile_override(&plat_data->ipc_file_profile_base, plat_data);
+
 	/* Initialize sof_ops based on the initial selected IPC version */
 	ret = sof_init_sof_ops(sdev);
 	if (ret)
@@ -628,6 +691,15 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data)
 	else
 		sdev->boot_timeout = plat_data->desc->boot_timeout;
 
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
+	/* Override the timeout values with module parameter, if set */
+	if (sof_ipc_timeout_ms)
+		sdev->ipc_timeout = sof_ipc_timeout_ms;
+
+	if (sof_boot_timeout_ms)
+		sdev->boot_timeout = sof_boot_timeout_ms;
+#endif
+
 	sof_set_fw_state(sdev, SOF_FW_BOOT_NOT_STARTED);
 
 	/*
@@ -765,7 +837,7 @@ void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata)
 EXPORT_SYMBOL(sof_machine_unregister);
 
 MODULE_AUTHOR("Liam Girdwood");
-MODULE_DESCRIPTION("Sound Open Firmware (SOF) Core");
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("Sound Open Firmware (SOF) Core");
 MODULE_ALIAS("platform:sof-audio");
-MODULE_IMPORT_NS(SND_SOC_SOF_CLIENT);
+MODULE_IMPORT_NS("SND_SOC_SOF_CLIENT");