diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/ibuf_ctrl_global.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/ibuf_ctrl_global.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/ibuf_ctrl_global.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/ibuf_ctrl_global.h new file mode 100644 index 0000000..edb2325 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/ibuf_ctrl_global.h @@ -0,0 +1,80 @@ +/* + * 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 (1 << 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 { + uint32_t start_addr; /* start address of the buffer in the + * "input-buffer hardware block" + */ + + uint32_t stride; /* stride per buffer line (in bytes) */ + uint32_t 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 */ + uint32_t channel; + uint32_t cmd; /* must be _DMA_V2_MOVE_A2B_NO_SYNC_CHK_COMMAND */ + + /* DMA reconfiguration */ + uint32_t shift_returned_items; + uint32_t elems_per_word_in_ibuf; + uint32_t elems_per_word_in_dest; + } dma_cfg; + + ib_buffer_t ib_buffer; + + struct { + uint32_t stride; + uint32_t start_addr; + uint32_t lines; + } dest_buf_cfg; + + uint32_t items_per_store; + uint32_t stores_per_frame; + + struct { + uint32_t sync_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_SYNC_FRAME */ + uint32_t store_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_STORE_PACKETS */ + } stream2mmio_cfg; +}; + +extern const uint32_t N_IBUF_CTRL_PROCS[N_IBUF_CTRL_ID]; + +#endif /* __IBUF_CTRL_GLOBAL_H_INCLUDED__ */ |
