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- /*
- * Copyright (c) 2018 The Linux Foundation. All rights reserved.
- *
- * Permission to use, copy, modify, and/or distribute this software for
- * any purpose with or without fee is hereby granted, provided that the
- * above copyright notice and this permission notice appear in all
- * copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
- #ifndef _WBM_BUFFER_RING_H_
- #define _WBM_BUFFER_RING_H_
- #if !defined(__ASSEMBLER__)
- #endif
- #include "buffer_addr_info.h"
- // ################ START SUMMARY #################
- //
- // Dword Fields
- // 0-1 struct buffer_addr_info buf_addr_info;
- //
- // ################ END SUMMARY #################
- #define NUM_OF_DWORDS_WBM_BUFFER_RING 2
- struct wbm_buffer_ring {
- struct buffer_addr_info buf_addr_info;
- };
- /*
- struct buffer_addr_info buf_addr_info
-
- Consumer: WBM
-
- Producer: WBM
-
-
-
- Details of the physical address of the buffer + source
- buffer owner + some SW meta data.
-
- All modules getting this buffer address info, shall keep
- all the 64 bits of info in this descriptor together and
- eventually all 64 bits shall be given back to WMB when the
- buffer is released.
- */
- #define WBM_BUFFER_RING_0_BUFFER_ADDR_INFO_BUF_ADDR_INFO_OFFSET 0x00000000
- #define WBM_BUFFER_RING_0_BUFFER_ADDR_INFO_BUF_ADDR_INFO_LSB 0
- #define WBM_BUFFER_RING_0_BUFFER_ADDR_INFO_BUF_ADDR_INFO_MASK 0xffffffff
- #define WBM_BUFFER_RING_1_BUFFER_ADDR_INFO_BUF_ADDR_INFO_OFFSET 0x00000004
- #define WBM_BUFFER_RING_1_BUFFER_ADDR_INFO_BUF_ADDR_INFO_LSB 0
- #define WBM_BUFFER_RING_1_BUFFER_ADDR_INFO_BUF_ADDR_INFO_MASK 0xffffffff
- #endif // _WBM_BUFFER_RING_H_
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