3 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
4 * Author: Rob Clark <rob@ti.com>
5 * Andy Gross <andy.gross@ti.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation version 2.
11 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
12 * kind, whether express or implied; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 #ifndef OMAP_DMM_TILER_H
17 #define OMAP_DMM_TILER_H
39 struct list_head alloc_node; /* node for global block list */
40 struct tcm_area area; /* area */
41 enum tiler_fmt fmt; /* format */
44 /* bits representing the same slot in DMM-TILER hw-block */
45 #define SLOT_WIDTH_BITS 6
46 #define SLOT_HEIGHT_BITS 6
48 /* bits reserved to describe coordinates in DMM-TILER hw-block */
49 #define CONT_WIDTH_BITS 14
50 #define CONT_HEIGHT_BITS 13
52 /* calculated constants */
53 #define TILER_PAGE (1 << (SLOT_WIDTH_BITS + SLOT_HEIGHT_BITS))
54 #define TILER_WIDTH (1 << (CONT_WIDTH_BITS - SLOT_WIDTH_BITS))
55 #define TILER_HEIGHT (1 << (CONT_HEIGHT_BITS - SLOT_HEIGHT_BITS))
57 /* tiler space addressing bitfields */
58 #define MASK_XY_FLIP (1 << 31)
59 #define MASK_Y_INVERT (1 << 30)
60 #define MASK_X_INVERT (1 << 29)
61 #define SHIFT_ACC_MODE 27
62 #define MASK_ACC_MODE 3
64 #define MASK(bits) ((1 << (bits)) - 1)
66 #define TILVIEW_8BIT 0x60000000u
67 #define TILVIEW_16BIT (TILVIEW_8BIT + VIEW_SIZE)
68 #define TILVIEW_32BIT (TILVIEW_16BIT + VIEW_SIZE)
69 #define TILVIEW_PAGE (TILVIEW_32BIT + VIEW_SIZE)
70 #define TILVIEW_END (TILVIEW_PAGE + VIEW_SIZE)
72 /* create tsptr by adding view orientation and access mode */
73 #define TIL_ADDR(x, orient, a)\
74 ((u32) (x) | (orient) | ((a) << SHIFT_ACC_MODE))
76 /* externally accessible functions */
77 int omap_dmm_init(struct drm_device *dev);
78 int omap_dmm_remove(void);
80 #ifdef CONFIG_DEBUG_FS
81 int tiler_map_show(struct seq_file *s, void *arg);
85 int tiler_pin(struct tiler_block *block, struct page **pages,
86 uint32_t npages, uint32_t roll, bool wait);
87 int tiler_unpin(struct tiler_block *block);
90 struct tiler_block *tiler_reserve_2d(enum tiler_fmt fmt, uint16_t w, uint16_t h,
92 struct tiler_block *tiler_reserve_1d(size_t size);
93 int tiler_release(struct tiler_block *block);
96 dma_addr_t tiler_ssptr(struct tiler_block *block);
97 uint32_t tiler_stride(enum tiler_fmt fmt);
98 size_t tiler_size(enum tiler_fmt fmt, uint16_t w, uint16_t h);
99 size_t tiler_vsize(enum tiler_fmt fmt, uint16_t w, uint16_t h);
100 void tiler_align(enum tiler_fmt fmt, uint16_t *w, uint16_t *h);
103 /* GEM bo flags -> tiler fmt */
104 static inline enum tiler_fmt gem2fmt(uint32_t flags)
106 switch (flags & OMAP_BO_TILED) {
107 case OMAP_BO_TILED_8:
109 case OMAP_BO_TILED_16:
111 case OMAP_BO_TILED_32:
118 static inline bool validfmt(enum tiler_fmt fmt)
131 struct omap_dmm_platform_data {
136 static inline int dmm_is_available(void)
138 return cpu_is_omap44xx();