Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / sound / pci / asihpi / hpicmn.h
diff --git a/kernel/sound/pci/asihpi/hpicmn.h b/kernel/sound/pci/asihpi/hpicmn.h
new file mode 100644 (file)
index 0000000..46629c2
--- /dev/null
@@ -0,0 +1,82 @@
+/**
+
+    AudioScience HPI driver
+    Copyright (C) 1997-2014  AudioScience Inc. <support@audioscience.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of version 2 of the GNU General Public License 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.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*/
+
+struct hpi_adapter_obj;
+
+/* a function that takes an adapter obj and returns an int */
+typedef int adapter_int_func(struct hpi_adapter_obj *pao, u32 message);
+
+#define HPI_IRQ_NONE           (0)
+#define HPI_IRQ_MESSAGE                (1)
+#define HPI_IRQ_MIXER          (2)
+
+struct hpi_adapter_obj {
+       struct hpi_pci pci;     /* PCI info - bus#,dev#,address etc */
+       u16 type;               /* 0x6644 == ASI6644 etc */
+       u16 index;
+
+       struct hpios_spinlock dsp_lock;
+
+       u16 dsp_crashed;
+       u16 has_control_cache;
+       void *priv;
+       adapter_int_func *irq_query_and_clear;
+       struct hpi_hostbuffer_status *instream_host_buffer_status;
+       struct hpi_hostbuffer_status *outstream_host_buffer_status;
+};
+
+struct hpi_control_cache {
+       /** indicates whether the structures are initialized */
+       u16 init;
+       u16 adap_idx;
+       u32 control_count;
+       u32 cache_size_in_bytes;
+       /** pointer to allocated memory of lookup pointers. */
+       struct hpi_control_cache_info **p_info;
+       /** pointer to DSP's control cache. */
+       u8 *p_cache;
+};
+
+struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index);
+
+u16 hpi_add_adapter(struct hpi_adapter_obj *pao);
+
+void hpi_delete_adapter(struct hpi_adapter_obj *pao);
+
+short hpi_check_control_cache(struct hpi_control_cache *pC,
+       struct hpi_message *phm, struct hpi_response *phr);
+
+short hpi_check_control_cache_single(struct hpi_control_cache_single *pC,
+       struct hpi_message *phm, struct hpi_response *phr);
+
+struct hpi_control_cache *hpi_alloc_control_cache(const u32
+       number_of_controls, const u32 size_in_bytes, u8 *pDSP_control_buffer);
+
+void hpi_free_control_cache(struct hpi_control_cache *p_cache);
+
+void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *pC,
+       struct hpi_message *phm, struct hpi_response *phr);
+
+void hpi_cmn_control_cache_sync_to_msg_single(struct hpi_control_cache_single
+       *pC, struct hpi_message *phm, struct hpi_response *phr);
+
+u16 hpi_validate_response(struct hpi_message *phm, struct hpi_response *phr);
+
+hpi_handler_func HPI_COMMON;