diff options
Diffstat (limited to 'target/linux/ifxmips/files/include/asm-mips/danube/danube_dma.h')
| -rw-r--r-- | target/linux/ifxmips/files/include/asm-mips/danube/danube_dma.h | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/target/linux/ifxmips/files/include/asm-mips/danube/danube_dma.h b/target/linux/ifxmips/files/include/asm-mips/danube/danube_dma.h deleted file mode 100644 index 02c7aec53..000000000 --- a/target/linux/ifxmips/files/include/asm-mips/danube/danube_dma.h +++ /dev/null @@ -1,202 +0,0 @@ -/* - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2005 infineon - * Copyright (C) 2007 John Crispin <blogic@openwrt.org> - * - */ -#ifndef _IFXMIPS_DMA_H__ -#define _IFXMIPS_DMA_H__ - -#define RCV_INT 1 -#define TX_BUF_FULL_INT 2 -#define TRANSMIT_CPT_INT 4 -#define IFXMIPS_DMA_CH_ON 1 -#define IFXMIPS_DMA_CH_OFF 0 -#define IFXMIPS_DMA_CH_DEFAULT_WEIGHT 100 - -enum attr_t{ - TX = 0, - RX = 1, - RESERVED = 2, - DEFAULT = 3, -}; - -#define DMA_OWN 1 -#define CPU_OWN 0 -#define DMA_MAJOR 250 - -#define DMA_DESC_OWN_CPU 0x0 -#define DMA_DESC_OWN_DMA 0x80000000 -#define DMA_DESC_CPT_SET 0x40000000 -#define DMA_DESC_SOP_SET 0x20000000 -#define DMA_DESC_EOP_SET 0x10000000 - -#define MISCFG_MASK 0x40 -#define RDERR_MASK 0x20 -#define CHOFF_MASK 0x10 -#define DESCPT_MASK 0x8 -#define DUR_MASK 0x4 -#define EOP_MASK 0x2 - -#define DMA_DROP_MASK (1<<31) - -#define IFXMIPS_DMA_RX -1 -#define IFXMIPS_DMA_TX 1 - -typedef struct dma_chan_map { - char dev_name[15]; - enum attr_t dir; - int pri; - int irq; - int rel_chan_no; -} _dma_chan_map; - -#ifdef CONFIG_CPU_LITTLE_ENDIAN -typedef struct rx_desc{ - u32 data_length:16; - volatile u32 reserved:7; - volatile u32 byte_offset:2; - volatile u32 Burst_length_offset:3; - volatile u32 EoP:1; - volatile u32 Res:1; - volatile u32 C:1; - volatile u32 OWN:1; - volatile u32 Data_Pointer; - /*fix me:should be 28 bits here, 32 bits just for host simulatiuon purpose*/ -}_rx_desc; - -typedef struct tx_desc{ - volatile u32 data_length:16; - volatile u32 reserved1:7; - volatile u32 byte_offset:5; - volatile u32 EoP:1; - volatile u32 SoP:1; - volatile u32 C:1; - volatile u32 OWN:1; - volatile u32 Data_Pointer;//fix me:should be 28 bits here -}_tx_desc; -#else //BIG -typedef struct rx_desc{ - union - { - struct - { - volatile u32 OWN:1; - volatile u32 C:1; - volatile u32 SoP:1; - volatile u32 EoP:1; - volatile u32 Burst_length_offset:3; - volatile u32 byte_offset:2; - volatile u32 reserve:7; - volatile u32 data_length:16; - }field; - volatile u32 word; - }status; - volatile u32 Data_Pointer; -}_rx_desc; - -typedef struct tx_desc{ - union - { - struct - { - volatile u32 OWN:1; - volatile u32 C:1; - volatile u32 SoP:1; - volatile u32 EoP:1; - volatile u32 byte_offset:5; - volatile u32 reserved:7; - volatile u32 data_length:16; - }field; - volatile u32 word; - }status; - volatile u32 Data_Pointer; -}_tx_desc; -#endif //ENDIAN - -typedef struct dma_channel_info{ - /*relative channel number*/ - int rel_chan_no; - /*class for this channel for QoS*/ - int pri; - /*specify byte_offset*/ - int byte_offset; - /*direction*/ - int dir; - /*irq number*/ - int irq; - /*descriptor parameter*/ - int desc_base; - int desc_len; - int curr_desc; - int prev_desc;/*only used if it is a tx channel*/ - /*weight setting for WFQ algorithm*/ - int weight; - int default_weight; - int packet_size; - int burst_len; - /*on or off of this channel*/ - int control; - /**optional information for the upper layer devices*/ -#if defined(CONFIG_IFXMIPS_ETHERNET_D2) || defined(CONFIG_IFXMIPS_PPA) - void* opt[64]; -#else - void* opt[25]; -#endif - /*Pointer to the peripheral device who is using this channel*/ - void* dma_dev; - /*channel operations*/ - void (*open)(struct dma_channel_info* pCh); - void (*close)(struct dma_channel_info* pCh); - void (*reset)(struct dma_channel_info* pCh); - void (*enable_irq)(struct dma_channel_info* pCh); - void (*disable_irq)(struct dma_channel_info* pCh); -}_dma_channel_info; - -typedef struct dma_device_info{ - /*device name of this peripheral*/ - char device_name[15]; - int reserved; - int tx_burst_len; - int rx_burst_len; - int default_weight; - int current_tx_chan; - int current_rx_chan; - int num_tx_chan; - int num_rx_chan; - int max_rx_chan_num; - int max_tx_chan_num; - _dma_channel_info* tx_chan[20]; - _dma_channel_info* rx_chan[20]; - /*functions, optional*/ - u8* (*buffer_alloc)(int len,int* offset, void** opt); - void (*buffer_free)(u8* dataptr, void* opt); - int (*intr_handler)(struct dma_device_info* info, int status); - void * priv; /* used by peripheral driver only */ -}_dma_device_info; - -_dma_device_info* dma_device_reserve(char* dev_name); - -void dma_device_release(_dma_device_info* dev); - -void dma_device_register(_dma_device_info* info); - -void dma_device_unregister(_dma_device_info* info); - -int dma_device_read(struct dma_device_info* info, u8** dataptr, void** opt); - -int dma_device_write(struct dma_device_info* info, u8* dataptr, int len, void* opt); -#endif |