diff options
Diffstat (limited to 'drivers/staging/ccree/cc_lli_defs.h')
| -rw-r--r-- | drivers/staging/ccree/cc_lli_defs.h | 57 |
1 files changed, 36 insertions, 21 deletions
diff --git a/drivers/staging/ccree/cc_lli_defs.h b/drivers/staging/ccree/cc_lli_defs.h index 697f1ed181e0..851d3907167e 100644 --- a/drivers/staging/ccree/cc_lli_defs.h +++ b/drivers/staging/ccree/cc_lli_defs.h @@ -1,46 +1,42 @@ /* * Copyright (C) 2012-2017 ARM Limited or its affiliates. - * + * * This program 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 program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ - #ifndef _CC_LLI_DEFS_H_ #define _CC_LLI_DEFS_H_ -#ifdef __KERNEL__ -#include <linux/types.h> -#else -#include <stdint.h> -#endif -#include "cc_bitops.h" -/* Max DLLI size */ -#define DLLI_SIZE_BIT_SIZE 0x18 // DX_DSCRPTR_QUEUE_WORD1_DIN_SIZE_BIT_SIZE - -#define CC_MAX_MLLI_ENTRY_SIZE 0x10000 +#include <linux/types.h> -#define MSB64(_addr) (sizeof(_addr) == 4 ? 0 : ((_addr) >> 32)&UINT16_MAX) +/* Max DLLI size + * AKA DX_DSCRPTR_QUEUE_WORD1_DIN_SIZE_BIT_SIZE + */ +#define DLLI_SIZE_BIT_SIZE 0x18 -#define LLI_SET_ADDR(lli_p, addr) \ - BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD0_OFFSET], LLI_LADDR_BIT_OFFSET, LLI_LADDR_BIT_SIZE, (addr & UINT32_MAX)); \ - BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD1_OFFSET], LLI_HADDR_BIT_OFFSET, LLI_HADDR_BIT_SIZE, MSB64(addr)); +#define CC_MAX_MLLI_ENTRY_SIZE 0xFFFF -#define LLI_SET_SIZE(lli_p, size) \ - BITFIELD_SET(((uint32_t *)(lli_p))[LLI_WORD1_OFFSET], LLI_SIZE_BIT_OFFSET, LLI_SIZE_BIT_SIZE, size) +#define LLI_MAX_NUM_OF_DATA_ENTRIES 128 +#define LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES 4 +#define MLLI_TABLE_MIN_ALIGNMENT 4 /* 32 bit alignment */ +#define MAX_NUM_OF_BUFFERS_IN_MLLI 4 +#define MAX_NUM_OF_TOTAL_MLLI_ENTRIES \ + (2 * LLI_MAX_NUM_OF_DATA_ENTRIES + \ + LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES) /* Size of entry */ #define LLI_ENTRY_WORD_SIZE 2 -#define LLI_ENTRY_BYTE_SIZE (LLI_ENTRY_WORD_SIZE * sizeof(uint32_t)) +#define LLI_ENTRY_BYTE_SIZE (LLI_ENTRY_WORD_SIZE * sizeof(u32)) /* Word0[31:0] = ADDR[31:0] */ #define LLI_WORD0_OFFSET 0 @@ -53,5 +49,24 @@ #define LLI_HADDR_BIT_OFFSET 16 #define LLI_HADDR_BIT_SIZE 16 +#define LLI_SIZE_MASK GENMASK((LLI_SIZE_BIT_SIZE - 1), LLI_SIZE_BIT_OFFSET) +#define LLI_HADDR_MASK GENMASK( \ + (LLI_HADDR_BIT_OFFSET + LLI_HADDR_BIT_SIZE - 1),\ + LLI_HADDR_BIT_OFFSET) + +static inline void cc_lli_set_addr(u32 *lli_p, dma_addr_t addr) +{ + lli_p[LLI_WORD0_OFFSET] = (addr & U32_MAX); +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT + lli_p[LLI_WORD1_OFFSET] &= ~LLI_HADDR_MASK; + lli_p[LLI_WORD1_OFFSET] |= FIELD_PREP(LLI_HADDR_MASK, (addr >> 16)); +#endif /* CONFIG_ARCH_DMA_ADDR_T_64BIT */ +} + +static inline void cc_lli_set_size(u32 *lli_p, u16 size) +{ + lli_p[LLI_WORD1_OFFSET] &= ~LLI_SIZE_MASK; + lli_p[LLI_WORD1_OFFSET] |= FIELD_PREP(LLI_SIZE_MASK, size); +} #endif /*_CC_LLI_DEFS_H_*/ |