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Diffstat (limited to 'include/video/imx8-prefetch.h')
-rw-r--r-- | include/video/imx8-prefetch.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/video/imx8-prefetch.h b/include/video/imx8-prefetch.h new file mode 100644 index 000000000000..edbbd17ef021 --- /dev/null +++ b/include/video/imx8-prefetch.h @@ -0,0 +1,74 @@ +/* + * Copyright 2017-2018 NXP + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * 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 _IMX8_PREFETCH_H_ +#define _IMX8_PREFETCH_H_ + +#define PRG_HANDSHAKE_8LINES 8 +#define PRG_HANDSHAKE_4LINES 4 +#define AMPHION_STRIPE_WIDTH 8 +#define AMPHION_STRIPE_HEIGHT 128 +#define AMPHION_UV_STRIPE_HEIGHT AMPHION_STRIPE_HEIGHT +#define AMPHION_Y_STRIPE_HEIGHT (2 * AMPHION_STRIPE_HEIGHT) +#define VIVANTE_TILE_WIDTH 4 +#define VIVANTE_TILE_HEIGHT 4 +#define VIVANTE_SUPER_TILE_WIDTH 64 +#define VIVANTE_SUPER_TILE_HEIGHT 64 + +struct prg; +struct prg * +prg_lookup_by_phandle(struct device *dev, const char *name, int index); +void prg_enable(struct prg *prg); +void prg_disable(struct prg *prg); +void prg_configure(struct prg *prg, unsigned int width, unsigned int height, + unsigned int x_offset, unsigned int y_offset, + unsigned int stride, unsigned int bits_per_pixel, + unsigned long baddr, u32 format, u64 modifier, + bool start); +void prg_reg_update(struct prg *prg); +void prg_shadow_enable(struct prg *prg); +bool prg_stride_supported(struct prg *prg, unsigned int stride); +bool prg_stride_double_check(struct prg *prg, + unsigned int width, unsigned int x_offset, + unsigned int bits_per_pixel, u64 modifier, + unsigned int stride, dma_addr_t baddr); +void prg_set_auxiliary(struct prg *prg); +void prg_set_primary(struct prg *prg); +void prg_set_blit(struct prg *prg); + +struct dprc; +struct dprc * +dprc_lookup_by_phandle(struct device *dev, const char *name, int index); +void dprc_enable(struct dprc *dprc); +void dprc_disable(struct dprc *dprc); +void dprc_configure(struct dprc *dprc, unsigned int stream_id, + unsigned int width, unsigned int height, + unsigned int x_offset, unsigned int y_offset, + unsigned int stride, u32 format, u64 modifier, + unsigned long baddr, unsigned long uv_baddr, + bool start, bool aux_start, bool interlace_frame); +void dprc_reg_update(struct dprc *dprc); +void dprc_first_frame_handle(struct dprc *dprc); +void dprc_irq_handle(struct dprc *dprc); +void dprc_enable_ctrl_done_irq(struct dprc *dprc); +bool dprc_format_supported(struct dprc *dprc, u32 format, u64 modifier); +bool dprc_stride_supported(struct dprc *dprc, + unsigned int stride, unsigned int uv_stride, + unsigned int width, u32 format); +bool dprc_stride_double_check(struct dprc *dprc, + unsigned int width, unsigned int x_offset, + u32 format, u64 modifier, + dma_addr_t baddr, dma_addr_t uv_baddr); + +#endif |