/* * * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ * Author: Rob Clark * Andy Gross * * 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 version 2. * * This program is distributed "as is" WITHOUT ANY WARRANTY of any * kind, whether express or implied; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef OMAP_DMM_PRIV_H #define OMAP_DMM_PRIV_H #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_DESCR__1 0x510 #define DMM_PAT_DESCR__2 0x520 #define DMM_PAT_DESCR__3 0x530 #define DMM_PEG_HWINFO 0x608 #define DMM_PEG_PRIO 0x620 #define DMM_PEG_PRIO_PAT 0x640 #define DMM_IRQSTAT_DST (1<<0) #define DMM_IRQSTAT_LST (1<<1) #define DMM_IRQSTAT_ERR_INV_DSC (1<<2) #define DMM_IRQSTAT_ERR_INV_DATA (1<<3) #define DMM_IRQSTAT_ERR_UPD_AREA (1<<4) #define DMM_IRQSTAT_ERR_UPD_CTRL (1<<5) #define DMM_IRQSTAT_ERR_UPD_DATA (1<<6) #define DMM_IRQSTAT_ERR_LUT_MISS (1<<7) #define DMM_IRQSTAT_ERR_MASK (DMM_IRQ_STAT_ERR_INV_DSC | \ DMM_IRQ_STAT_ERR_INV_DATA | \ DMM_IRQ_STAT_ERR_UPD_AREA | \ DMM_IRQ_STAT_ERR_UPD_CTRL | \ DMM_IRQ_STAT_ERR_UPD_DATA | \ DMM_IRQ_STAT_ERR_LUT_MISS) #define DMM_PATSTATUS_READY (1<<0) #define DMM_PATSTATUS_VALID (1<<1) #define DMM_PATSTATUS_RUN (1<<2) #define DMM_PATSTATUS_DONE (1<<3) #define DMM_PATSTATUS_LINKED (1<<4) #define DMM_PATSTATUS_BYPASSED (1<<7) #define DMM_PATSTATUS_ERR_INV_DESCR (1<<10) #define DMM_PATSTATUS_ERR_INV_DATA (1<<11) #define DMM_PATSTATUS_ERR_UPD_AREA (1<<12) #define DMM_PATSTATUS_ERR_UPD_CTRL (1<<13) #define DMM_PATSTATUS_ERR_UPD_DATA (1<<14) #define DMM_PATSTATUS_ERR_ACCESS (1<<15) /* note: don't treat DMM_PATSTATUS_ERR_ACCESS as an error */ #define DMM_PATSTATUS_ERR (DMM_PATSTATUS_ERR_INV_DESCR | \ DMM_PATSTATUS_ERR_INV_DATA | \ DMM_PATSTATUS_ERR_UPD_AREA | \ DMM_PATSTATUS_ERR_UPD_CTRL | \ DMM_PATSTATUS_ERR_UPD_DATA) enum { PAT_STATUS, PAT_DESCR }; struct pat_ctrl { u32 start:4; u32 dir:4; u32 lut_id:8; u32 sync:12; u32 ini:4; }; struct pat { uint32_t next_pa; struct pat_area area; struct pat_ctrl ctrl; uint32_t data_pa; }; #define DMM_FIXED_RETRY_COUNT 1000 /* create refill buffer big enough to refill all slots, plus 3 descriptors.. * 3 descriptors is probably the worst-case for # of 2d-slices in a 1d area, * but I guess you don't hit that worst case at the same time as full area * refill */ #define DESCR_SIZE 128 #define REFILL_BUFFER_SIZE ((4 * 128 * 256) + (3 * DESCR_SIZE)) struct dmm; struct dmm_txn { void *engine_handle; struct tcm *tcm; uint8_t *current_va; dma_addr_t current_pa; struct pat *last_pat; }; struct refill_engine { int id; struct dmm *dmm; struct tcm *tcm; uint8_t *refill_va; dma_addr_t refill_pa; /* only one trans per engine for now */ struct dmm_txn txn; /* offset to lut associated with container */ u32 *lut_offset; wait_queue_head_t wait_for_refill; struct list_head idle_node; }; struct dmm { struct device *dev; void __iomem *base; int irq; struct page *dummy_page; dma_addr_t dummy_pa; void *refill_va; dma_addr_t refill_pa; /* refill engines */ struct semaphore engine_sem; struct list_head idle_head; struct refill_engine *engines; int num_engines; /* container information */ int container_width; int container_height; int lut_width; int lut_height; int num_lut; /* array of LUT - TCM containers */ struct tcm **tcm; /* LUT table storage */ u32 *lut; /* allocation list and lock */ struct list_head alloc_head; spinlock_t list_lock; }; #endif