diff options
Diffstat (limited to 'arch/arm/mach-omap2/include/mach/dmm.h')
| -rw-r--r-- | arch/arm/mach-omap2/include/mach/dmm.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/include/mach/dmm.h b/arch/arm/mach-omap2/include/mach/dmm.h new file mode 100644 index 0000000..3567b6f9 --- /dev/null +++ b/arch/arm/mach-omap2/include/mach/dmm.h @@ -0,0 +1,164 @@ +/* + * dmm.h + * + * DMM driver support functions for TI DMM-TILER hardware block. + * + * Author: David Sin <davidsin@ti.com> + * + * Copyright (C) 2009-2011 Texas Instruments, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of Texas Instruments Incorporated nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#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); + +/** + * DMM Platform Device Data structure + * + */ +struct omap_dmm_platform_data { + const char *oh_name; + void __iomem *base; + int irq; +}; + +/** + * Init function for use in board init file + * + */ +void omap_dmm_init(void); + +#endif |