omap_dmm_tiler.h (3669B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ 4 * Author: Rob Clark <rob@ti.com> 5 * Andy Gross <andy.gross@ti.com> 6 */ 7#ifndef OMAP_DMM_TILER_H 8#define OMAP_DMM_TILER_H 9 10#include "omap_drv.h" 11#include "tcm.h" 12 13enum tiler_fmt { 14 TILFMT_8BIT = 0, 15 TILFMT_16BIT, 16 TILFMT_32BIT, 17 TILFMT_PAGE, 18 TILFMT_NFORMATS 19}; 20 21struct pat_area { 22 u32 x0:8; 23 u32 y0:8; 24 u32 x1:8; 25 u32 y1:8; 26}; 27 28struct tiler_block { 29 struct list_head alloc_node; /* node for global block list */ 30 struct tcm_area area; /* area */ 31 enum tiler_fmt fmt; /* format */ 32}; 33 34/* bits representing the same slot in DMM-TILER hw-block */ 35#define SLOT_WIDTH_BITS 6 36#define SLOT_HEIGHT_BITS 6 37 38/* bits reserved to describe coordinates in DMM-TILER hw-block */ 39#define CONT_WIDTH_BITS 14 40#define CONT_HEIGHT_BITS 13 41 42/* calculated constants */ 43#define TILER_PAGE (1 << (SLOT_WIDTH_BITS + SLOT_HEIGHT_BITS)) 44#define TILER_WIDTH (1 << (CONT_WIDTH_BITS - SLOT_WIDTH_BITS)) 45#define TILER_HEIGHT (1 << (CONT_HEIGHT_BITS - SLOT_HEIGHT_BITS)) 46 47/* 48Table 15-11. Coding and Description of TILER Orientations 49S Y X Description Alternate description 500 0 0 0-degree view Natural view 510 0 1 0-degree view with vertical mirror 180-degree view with horizontal mirror 520 1 0 0-degree view with horizontal mirror 180-degree view with vertical mirror 530 1 1 180-degree view 541 0 0 90-degree view with vertical mirror 270-degree view with horizontal mirror 551 0 1 270-degree view 561 1 0 90-degree view 571 1 1 90-degree view with horizontal mirror 270-degree view with vertical mirror 58 */ 59#define MASK_XY_FLIP (1 << 31) 60#define MASK_Y_INVERT (1 << 30) 61#define MASK_X_INVERT (1 << 29) 62#define SHIFT_ACC_MODE 27 63#define MASK_ACC_MODE 3 64 65#define MASK(bits) ((1 << (bits)) - 1) 66 67#define TILVIEW_8BIT 0x60000000u 68#define TILVIEW_16BIT (TILVIEW_8BIT + VIEW_SIZE) 69#define TILVIEW_32BIT (TILVIEW_16BIT + VIEW_SIZE) 70#define TILVIEW_PAGE (TILVIEW_32BIT + VIEW_SIZE) 71#define TILVIEW_END (TILVIEW_PAGE + VIEW_SIZE) 72 73/* create tsptr by adding view orientation and access mode */ 74#define TIL_ADDR(x, orient, a)\ 75 ((u32) (x) | (orient) | ((a) << SHIFT_ACC_MODE)) 76 77#ifdef CONFIG_DEBUG_FS 78int tiler_map_show(struct seq_file *s, void *arg); 79#endif 80 81/* pin/unpin */ 82int tiler_pin(struct tiler_block *block, struct page **pages, 83 u32 npages, u32 roll, bool wait); 84int tiler_unpin(struct tiler_block *block); 85 86/* reserve/release */ 87struct tiler_block *tiler_reserve_2d(enum tiler_fmt fmt, u16 w, u16 h, 88 u16 align); 89struct tiler_block *tiler_reserve_1d(size_t size); 90int tiler_release(struct tiler_block *block); 91 92/* utilities */ 93dma_addr_t tiler_ssptr(struct tiler_block *block); 94dma_addr_t tiler_tsptr(struct tiler_block *block, u32 orient, 95 u32 x, u32 y); 96u32 tiler_stride(enum tiler_fmt fmt, u32 orient); 97size_t tiler_size(enum tiler_fmt fmt, u16 w, u16 h); 98size_t tiler_vsize(enum tiler_fmt fmt, u16 w, u16 h); 99void tiler_align(enum tiler_fmt fmt, u16 *w, u16 *h); 100u32 tiler_get_cpu_cache_flags(void); 101bool dmm_is_available(void); 102 103extern struct platform_driver omap_dmm_driver; 104 105/* GEM bo flags -> tiler fmt */ 106static inline enum tiler_fmt gem2fmt(u32 flags) 107{ 108 switch (flags & OMAP_BO_TILED_MASK) { 109 case OMAP_BO_TILED_8: 110 return TILFMT_8BIT; 111 case OMAP_BO_TILED_16: 112 return TILFMT_16BIT; 113 case OMAP_BO_TILED_32: 114 return TILFMT_32BIT; 115 default: 116 return TILFMT_PAGE; 117 } 118} 119 120static inline bool validfmt(enum tiler_fmt fmt) 121{ 122 switch (fmt) { 123 case TILFMT_8BIT: 124 case TILFMT_16BIT: 125 case TILFMT_32BIT: 126 case TILFMT_PAGE: 127 return true; 128 default: 129 return false; 130 } 131} 132 133#endif