| /* |
| * dmm.h |
| * |
| * DMM driver support functions for TI DMM-TILER hardware block. |
| * |
| * Author: David Sin <davidsin@ti.com> |
| * |
| * Copyright (C) 2009-2010 Texas Instruments, Inc. |
| * |
| * This package is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| */ |
| |
| #ifndef DMM_H |
| #define DMM_H |
| |
| #define DMM_BASE 0x4E000000 |
| #define DMM_SIZE 0x800 |
| |
| #define DMM_REVISION 0x000 |
| #define DMM_HWINFO 0x004 |
| #define DMM_LISA_HWINFO 0x008 |
| #define DMM_DMM_SYSCONFIG 0x010 |
| #define DMM_LISA_LOCK 0x01C |
| #define DMM_LISA_MAP__0 0x040 |
| #define DMM_LISA_MAP__1 0x044 |
| #define DMM_TILER_HWINFO 0x208 |
| #define DMM_TILER_OR__0 0x220 |
| #define DMM_TILER_OR__1 0x224 |
| #define DMM_PAT_HWINFO 0x408 |
| #define DMM_PAT_GEOMETRY 0x40C |
| #define DMM_PAT_CONFIG 0x410 |
| #define DMM_PAT_VIEW__0 0x420 |
| #define DMM_PAT_VIEW__1 0x424 |
| #define DMM_PAT_VIEW_MAP__0 0x440 |
| #define DMM_PAT_VIEW_MAP_BASE 0x460 |
| #define DMM_PAT_IRQ_EOI 0x478 |
| #define DMM_PAT_IRQSTATUS_RAW 0x480 |
| #define DMM_PAT_IRQSTATUS 0x490 |
| #define DMM_PAT_IRQENABLE_SET 0x4A0 |
| #define DMM_PAT_IRQENABLE_CLR 0x4B0 |
| #define DMM_PAT_STATUS__0 0x4C0 |
| #define DMM_PAT_STATUS__1 0x4C4 |
| #define DMM_PAT_STATUS__2 0x4C8 |
| #define DMM_PAT_STATUS__3 0x4CC |
| #define DMM_PAT_DESCR__0 0x500 |
| #define DMM_PAT_AREA__0 0x504 |
| #define DMM_PAT_CTRL__0 0x508 |
| #define DMM_PAT_DATA__0 0x50C |
| #define DMM_PEG_HWINFO 0x608 |
| #define DMM_PEG_PRIO 0x620 |
| #define DMM_PEG_PRIO_PAT 0x640 |
| |
| /** |
| * PAT refill programming mode. |
| */ |
| enum pat_mode { |
| MANUAL, |
| AUTO |
| }; |
| |
| /** |
| * Area definition for DMM physical address translator. |
| */ |
| struct pat_area { |
| s32 x0:8; |
| s32 y0:8; |
| s32 x1:8; |
| s32 y1:8; |
| }; |
| |
| /** |
| * DMM physical address translator control. |
| */ |
| struct pat_ctrl { |
| s32 start:4; |
| s32 dir:4; |
| s32 lut_id:8; |
| s32 sync:12; |
| s32 ini:4; |
| }; |
| |
| /** |
| * PAT descriptor. |
| */ |
| struct pat { |
| struct pat *next; |
| struct pat_area area; |
| struct pat_ctrl ctrl; |
| u32 data; |
| }; |
| |
| /** |
| * DMM device data |
| */ |
| struct dmm { |
| void __iomem *base; |
| }; |
| |
| /** |
| * Create and initialize the physical address translator. |
| * @param id PAT id |
| * @return pointer to device data |
| */ |
| struct dmm *dmm_pat_init(u32 id); |
| |
| /** |
| * Program the physical address translator. |
| * @param dmm Device data |
| * @param desc PAT descriptor |
| * @param mode programming mode |
| * @return an error status. |
| */ |
| s32 dmm_pat_refill(struct dmm *dmm, struct pat *desc, enum pat_mode mode); |
| |
| /** |
| * Clean up the physical address translator. |
| * @param dmm Device data |
| * @return an error status. |
| */ |
| void dmm_pat_release(struct dmm *dmm); |
| |
| #endif |