diff options
Diffstat (limited to 'arch/arm/mach-msm/include/mach/dma.h')
| -rw-r--r-- | arch/arm/mach-msm/include/mach/dma.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/arch/arm/mach-msm/include/mach/dma.h b/arch/arm/mach-msm/include/mach/dma.h deleted file mode 100644 index a72d48d42342..000000000000 --- a/arch/arm/mach-msm/include/mach/dma.h +++ /dev/null @@ -1,151 +0,0 @@ -/* linux/include/asm-arm/arch-msm/dma.h - * - * Copyright (C) 2007 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#ifndef __ASM_ARCH_MSM_DMA_H - -#include <linux/list.h> - -struct msm_dmov_errdata { - uint32_t flush[6]; -}; - -struct msm_dmov_cmd { - struct list_head list; - unsigned int cmdptr; - void (*complete_func)(struct msm_dmov_cmd *cmd, - unsigned int result, - struct msm_dmov_errdata *err); - void (*execute_func)(struct msm_dmov_cmd *cmd); - void *data; -}; - -#ifndef CONFIG_ARCH_MSM8X60 -void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd); -void msm_dmov_stop_cmd(unsigned id, struct msm_dmov_cmd *cmd, int graceful); -int msm_dmov_exec_cmd(unsigned id, unsigned int cmdptr); -#else -static inline -void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd) { } -static inline -void msm_dmov_stop_cmd(unsigned id, struct msm_dmov_cmd *cmd, int graceful) { } -static inline -int msm_dmov_exec_cmd(unsigned id, unsigned int cmdptr) { return -EIO; } -#endif - -#define DMOV_CMD_LIST (0 << 29) /* does not work */ -#define DMOV_CMD_PTR_LIST (1 << 29) /* works */ -#define DMOV_CMD_INPUT_CFG (2 << 29) /* untested */ -#define DMOV_CMD_OUTPUT_CFG (3 << 29) /* untested */ -#define DMOV_CMD_ADDR(addr) ((addr) >> 3) - -#define DMOV_RSLT_VALID (1 << 31) /* 0 == host has empties result fifo */ -#define DMOV_RSLT_ERROR (1 << 3) -#define DMOV_RSLT_FLUSH (1 << 2) -#define DMOV_RSLT_DONE (1 << 1) /* top pointer done */ -#define DMOV_RSLT_USER (1 << 0) /* command with FR force result */ - -#define DMOV_STATUS_RSLT_COUNT(n) (((n) >> 29)) -#define DMOV_STATUS_CMD_COUNT(n) (((n) >> 27) & 3) -#define DMOV_STATUS_RSLT_VALID (1 << 1) -#define DMOV_STATUS_CMD_PTR_RDY (1 << 0) - -#define DMOV_CONFIG_FORCE_TOP_PTR_RSLT (1 << 2) -#define DMOV_CONFIG_FORCE_FLUSH_RSLT (1 << 1) -#define DMOV_CONFIG_IRQ_EN (1 << 0) - -/* channel assignments */ - -#define DMOV_NAND_CHAN 7 -#define DMOV_NAND_CRCI_CMD 5 -#define DMOV_NAND_CRCI_DATA 4 - -#define DMOV_SDC1_CHAN 8 -#define DMOV_SDC1_CRCI 6 - -#define DMOV_SDC2_CHAN 8 -#define DMOV_SDC2_CRCI 7 - -#define DMOV_TSIF_CHAN 10 -#define DMOV_TSIF_CRCI 10 - -#define DMOV_USB_CHAN 11 - -/* no client rate control ifc (eg, ram) */ -#define DMOV_NONE_CRCI 0 - - -/* If the CMD_PTR register has CMD_PTR_LIST selected, the data mover - * is going to walk a list of 32bit pointers as described below. Each - * pointer points to a *array* of dmov_s, etc structs. The last pointer - * in the list is marked with CMD_PTR_LP. The last struct in each array - * is marked with CMD_LC (see below). - */ -#define CMD_PTR_ADDR(addr) ((addr) >> 3) -#define CMD_PTR_LP (1 << 31) /* last pointer */ -#define CMD_PTR_PT (3 << 29) /* ? */ - -/* Single Item Mode */ -typedef struct { - unsigned cmd; - unsigned src; - unsigned dst; - unsigned len; -} dmov_s; - -/* Scatter/Gather Mode */ -typedef struct { - unsigned cmd; - unsigned src_dscr; - unsigned dst_dscr; - unsigned _reserved; -} dmov_sg; - -/* Box mode */ -typedef struct { - uint32_t cmd; - uint32_t src_row_addr; - uint32_t dst_row_addr; - uint32_t src_dst_len; - uint32_t num_rows; - uint32_t row_offset; -} dmov_box; - -/* bits for the cmd field of the above structures */ - -#define CMD_LC (1 << 31) /* last command */ -#define CMD_FR (1 << 22) /* force result -- does not work? */ -#define CMD_OCU (1 << 21) /* other channel unblock */ -#define CMD_OCB (1 << 20) /* other channel block */ -#define CMD_TCB (1 << 19) /* ? */ -#define CMD_DAH (1 << 18) /* destination address hold -- does not work?*/ -#define CMD_SAH (1 << 17) /* source address hold -- does not work? */ - -#define CMD_MODE_SINGLE (0 << 0) /* dmov_s structure used */ -#define CMD_MODE_SG (1 << 0) /* untested */ -#define CMD_MODE_IND_SG (2 << 0) /* untested */ -#define CMD_MODE_BOX (3 << 0) /* untested */ - -#define CMD_DST_SWAP_BYTES (1 << 14) /* exchange each byte n with byte n+1 */ -#define CMD_DST_SWAP_SHORTS (1 << 15) /* exchange each short n with short n+1 */ -#define CMD_DST_SWAP_WORDS (1 << 16) /* exchange each word n with word n+1 */ - -#define CMD_SRC_SWAP_BYTES (1 << 11) /* exchange each byte n with byte n+1 */ -#define CMD_SRC_SWAP_SHORTS (1 << 12) /* exchange each short n with short n+1 */ -#define CMD_SRC_SWAP_WORDS (1 << 13) /* exchange each word n with word n+1 */ - -#define CMD_DST_CRCI(n) (((n) & 15) << 7) -#define CMD_SRC_CRCI(n) (((n) & 15) << 3) - -#endif |