These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / sound / soc / intel / skylake / skl-sst-ipc.h

diff --git a/kernel/sound/soc/intel/skylake/skl-sst-ipc.h b/kernel/sound/soc/intel/skylake/skl-sst-ipc.h
new file mode 100644 (file)
index 0000000..f1a154e
--- /dev/null
+++ b/kernel/sound/soc/intel/skylake/skl-sst-ipc.h
@@ -0,0 +1,126 @@
+/*
+ * Intel SKL IPC Support
+ *
+ * Copyright (C) 2014-15, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __SKL_IPC_H
+#define __SKL_IPC_H
+
+#include <linux/kthread.h>
+#include <linux/irqreturn.h>
+#include "../common/sst-ipc.h"
+
+struct sst_dsp;
+struct skl_sst;
+struct sst_generic_ipc;
+
+enum skl_ipc_pipeline_state {
+       PPL_INVALID_STATE =     0,
+       PPL_UNINITIALIZED =     1,
+       PPL_RESET =             2,
+       PPL_PAUSED =            3,
+       PPL_RUNNING =           4,
+       PPL_ERROR_STOP =        5,
+       PPL_SAVED =             6,
+       PPL_RESTORED =          7
+};
+
+struct skl_ipc_dxstate_info {
+       u32 core_mask;
+       u32 dx_mask;
+};
+
+struct skl_ipc_header {
+       u32 primary;
+       u32 extension;
+};
+
+struct skl_sst {
+       struct device *dev;
+       struct sst_dsp *dsp;
+
+       /* boot */
+       wait_queue_head_t boot_wait;
+       bool boot_complete;
+
+       /* IPC messaging */
+       struct sst_generic_ipc ipc;
+};
+
+struct skl_ipc_init_instance_msg {
+       u32 module_id;
+       u32 instance_id;
+       u16 param_data_size;
+       u8 ppl_instance_id;
+       u8 core_id;
+};
+
+struct skl_ipc_bind_unbind_msg {
+       u32 module_id;
+       u32 instance_id;
+       u32 dst_module_id;
+       u32 dst_instance_id;
+       u8 src_queue;
+       u8 dst_queue;
+       bool bind;
+};
+
+struct skl_ipc_large_config_msg {
+       u32 module_id;
+       u32 instance_id;
+       u32 large_param_id;
+       u32 param_data_size;
+};
+
+#define SKL_IPC_BOOT_MSECS             3000
+
+#define SKL_IPC_D3_MASK        0
+#define SKL_IPC_D0_MASK        3
+
+irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context);
+
+int skl_ipc_create_pipeline(struct sst_generic_ipc *sst_ipc,
+               u16 ppl_mem_size, u8 ppl_type, u8 instance_id);
+
+int skl_ipc_delete_pipeline(struct sst_generic_ipc *sst_ipc, u8 instance_id);
+
+int skl_ipc_set_pipeline_state(struct sst_generic_ipc *sst_ipc,
+               u8 instance_id, enum skl_ipc_pipeline_state state);
+
+int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc,
+               u8 instance_id, int dma_id);
+
+int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
+
+int skl_ipc_init_instance(struct sst_generic_ipc *sst_ipc,
+               struct skl_ipc_init_instance_msg *msg, void *param_data);
+
+int skl_ipc_bind_unbind(struct sst_generic_ipc *sst_ipc,
+               struct skl_ipc_bind_unbind_msg *msg);
+
+int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
+               u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx);
+
+int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
+               struct skl_ipc_large_config_msg *msg, u32 *param);
+
+void skl_ipc_int_enable(struct sst_dsp *dsp);
+void skl_ipc_op_int_enable(struct sst_dsp *ctx);
+void skl_ipc_op_int_disable(struct sst_dsp *ctx);
+void skl_ipc_int_disable(struct sst_dsp *dsp);
+
+bool skl_ipc_int_status(struct sst_dsp *dsp);
+void skl_ipc_free(struct sst_generic_ipc *ipc);
+int skl_ipc_init(struct device *dev, struct skl_sst *skl);
+
+#endif /* __SKL_IPC_H */