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path: root/drivers/staging/media/atomisp/pci/css_2401_system/ibuf_ctrl_global.h
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Diffstat (limited to 'drivers/staging/media/atomisp/pci/css_2401_system/ibuf_ctrl_global.h')
-rw-r--r--drivers/staging/media/atomisp/pci/css_2401_system/ibuf_ctrl_global.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/css_2401_system/ibuf_ctrl_global.h b/drivers/staging/media/atomisp/pci/css_2401_system/ibuf_ctrl_global.h
new file mode 100644
index 000000000000..dc8d091c6769
--- /dev/null
+++ b/drivers/staging/media/atomisp/pci/css_2401_system/ibuf_ctrl_global.h
@@ -0,0 +1,79 @@
+/*
+ * Support for Intel Camera Imaging ISP subsystem.
+ * Copyright (c) 2015, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 __IBUF_CTRL_GLOBAL_H_INCLUDED__
+#define __IBUF_CTRL_GLOBAL_H_INCLUDED__
+
+#include <type_support.h>
+
+#include <ibuf_cntrl_defs.h> /* _IBUF_CNTRL_RECALC_WORDS_STATUS,
+ * _IBUF_CNTRL_ARBITERS_STATUS,
+ * _IBUF_CNTRL_PROC_REG_ALIGN,
+ * etc.
+ */
+
+/* Definition of contents of main controller state register is lacking
+ * in ibuf_cntrl_defs.h, so define these here:
+ */
+#define _IBUF_CNTRL_MAIN_CNTRL_FSM_MASK 0xf
+#define _IBUF_CNTRL_MAIN_CNTRL_FSM_NEXT_COMMAND_CHECK 0x9
+#define _IBUF_CNTRL_MAIN_CNTRL_MEM_INP_BUF_ALLOC BIT(8)
+#define _IBUF_CNTRL_DMA_SYNC_WAIT_FOR_SYNC 1
+#define _IBUF_CNTRL_DMA_SYNC_FSM_WAIT_FOR_ACK (0x3 << 1)
+
+typedef struct ib_buffer_s ib_buffer_t;
+struct ib_buffer_s {
+ u32 start_addr; /* start address of the buffer in the
+ * "input-buffer hardware block"
+ */
+
+ u32 stride; /* stride per buffer line (in bytes) */
+ u32 lines; /* lines in the buffer */
+};
+
+typedef struct ibuf_ctrl_cfg_s ibuf_ctrl_cfg_t;
+struct ibuf_ctrl_cfg_s {
+ bool online;
+
+ struct {
+ /* DMA configuration */
+ u32 channel;
+ u32 cmd; /* must be _DMA_V2_MOVE_A2B_NO_SYNC_CHK_COMMAND */
+
+ /* DMA reconfiguration */
+ u32 shift_returned_items;
+ u32 elems_per_word_in_ibuf;
+ u32 elems_per_word_in_dest;
+ } dma_cfg;
+
+ ib_buffer_t ib_buffer;
+
+ struct {
+ u32 stride;
+ u32 start_addr;
+ u32 lines;
+ } dest_buf_cfg;
+
+ u32 items_per_store;
+ u32 stores_per_frame;
+
+ struct {
+ u32 sync_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_SYNC_FRAME */
+ u32 store_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_STORE_PACKETS */
+ } stream2mmio_cfg;
+};
+
+extern const u32 N_IBUF_CTRL_PROCS[N_IBUF_CTRL_ID];
+
+#endif /* __IBUF_CTRL_GLOBAL_H_INCLUDED__ */