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Diffstat (limited to 'package/system/ltq-dsl/src/ifxmips_atm_core.h')
-rw-r--r-- | package/system/ltq-dsl/src/ifxmips_atm_core.h | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/package/system/ltq-dsl/src/ifxmips_atm_core.h b/package/system/ltq-dsl/src/ifxmips_atm_core.h new file mode 100644 index 000000000..e56603955 --- /dev/null +++ b/package/system/ltq-dsl/src/ifxmips_atm_core.h @@ -0,0 +1,271 @@ +/****************************************************************************** +** +** FILE NAME : ifxmips_atm_core.h +** PROJECT : UEIP +** MODULES : ATM +** +** DATE : 7 Jul 2009 +** AUTHOR : Xu Liang +** DESCRIPTION : ATM driver header file (core functions) +** COPYRIGHT : Copyright (c) 2006 +** Infineon Technologies AG +** Am Campeon 1-12, 85579 Neubiberg, Germany +** +** 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. +** +** HISTORY +** $Date $Author $Comment +** 17 JUN 2009 Xu Liang Init Version +*******************************************************************************/ + +#ifndef IFXMIPS_ATM_CORE_H +#define IFXMIPS_ATM_CORE_H + + +#include "ifxmips_compat.h" +#include "ifx_atm.h" +#include "ifxmips_atm_ppe_common.h" +#include "ifxmips_atm_fw_regs_common.h" + + + +/* + * #################################### + * Definition + * #################################### + */ + +/* + * Compile Options + */ + +#define ENABLE_DEBUG 1 + +#define ENABLE_ASSERT 1 + +#define INLINE + +#define DEBUG_DUMP_SKB 1 + +#define DEBUG_QOS 1 + +#define DISABLE_QOS_WORKAROUND 0 + +#define ENABLE_DBG_PROC 1 + +#define ENABLE_FW_PROC 1 + +#ifdef CONFIG_IFX_ATM_TASKLET + #define ENABLE_TASKLET 1 +#endif + +#ifdef CONFIG_IFX_ATM_RETX + #define ENABLE_ATM_RETX 1 +#endif + +#if defined(CONFIG_DSL_MEI_CPE_DRV) && !defined(CONFIG_IFXMIPS_DSL_CPE_MEI) + #define CONFIG_IFXMIPS_DSL_CPE_MEI 1 +#endif + +/* + * Debug/Assert/Error Message + */ + +#define DBG_ENABLE_MASK_ERR (1 << 0) +#define DBG_ENABLE_MASK_DEBUG_PRINT (1 << 1) +#define DBG_ENABLE_MASK_ASSERT (1 << 2) +#define DBG_ENABLE_MASK_DUMP_SKB_RX (1 << 8) +#define DBG_ENABLE_MASK_DUMP_SKB_TX (1 << 9) +#define DBG_ENABLE_MASK_DUMP_QOS (1 << 10) +#define DBG_ENABLE_MASK_DUMP_INIT (1 << 11) +#define DBG_ENABLE_MASK_MAC_SWAP (1 << 12) +#define DBG_ENABLE_MASK_ALL (DBG_ENABLE_MASK_ERR | DBG_ENABLE_MASK_DEBUG_PRINT | DBG_ENABLE_MASK_ASSERT | DBG_ENABLE_MASK_DUMP_SKB_RX | DBG_ENABLE_MASK_DUMP_SKB_TX | DBG_ENABLE_MASK_DUMP_QOS | DBG_ENABLE_MASK_DUMP_INIT | DBG_ENABLE_MASK_MAC_SWAP) + +#define err(format, arg...) do { if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_ERR) ) printk(KERN_ERR __FILE__ ":%d:%s: " format "\n", __LINE__, __FUNCTION__, ##arg); } while ( 0 ) + +#if defined(ENABLE_DEBUG) && ENABLE_DEBUG + #undef dbg + #define dbg(format, arg...) do { if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_DEBUG_PRINT) ) printk(KERN_WARNING __FILE__ ":%d:%s: " format "\n", __LINE__, __FUNCTION__, ##arg); } while ( 0 ) +#else + #if !defined(dbg) + #define dbg(format, arg...) + #endif +#endif + +#if defined(ENABLE_ASSERT) && ENABLE_ASSERT + #define ASSERT(cond, format, arg...) do { if ( (ifx_atm_dbg_enable & DBG_ENABLE_MASK_ASSERT) && !(cond) ) printk(KERN_ERR __FILE__ ":%d:%s: " format "\n", __LINE__, __FUNCTION__, ##arg); } while ( 0 ) +#else + #define ASSERT(cond, format, arg...) +#endif + + +/* + * Constants + */ +#define DEFAULT_TX_LINK_RATE 3200 // in cells + +/* + * ATM Port, QSB Queue, DMA RX/TX Channel Parameters + */ +#define ATM_PORT_NUMBER 2 +#define MAX_QUEUE_NUMBER 16 +#define OAM_RX_QUEUE 15 +#define QSB_RESERVE_TX_QUEUE 0 +#define FIRST_QSB_QID 1 +#define MAX_PVC_NUMBER (MAX_QUEUE_NUMBER - FIRST_QSB_QID) +#define MAX_RX_DMA_CHANNEL_NUMBER 8 +#define MAX_TX_DMA_CHANNEL_NUMBER 16 +#define DATA_BUFFER_ALIGNMENT EMA_ALIGNMENT +#define DESC_ALIGNMENT 8 +#define DEFAULT_RX_HUNT_BITTH 4 + +/* + * RX DMA Channel Allocation + */ +#define RX_DMA_CH_OAM 0 +#define RX_DMA_CH_AAL 1 +#define RX_DMA_CH_TOTAL 2 +#define RX_DMA_CH_OAM_DESC_LEN 32 +#define RX_DMA_CH_OAM_BUF_SIZE (CELL_SIZE & ~15) +#define RX_DMA_CH_AAL_BUF_SIZE (2048 - 48) + +/* + * OAM Constants + */ +#define OAM_HTU_ENTRY_NUMBER 3 +#define OAM_F4_SEG_HTU_ENTRY 0 +#define OAM_F4_TOT_HTU_ENTRY 1 +#define OAM_F5_HTU_ENTRY 2 +#define OAM_F4_CELL_ID 0 +#define OAM_F5_CELL_ID 15 +#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX + #undef OAM_HTU_ENTRY_NUMBER + #define OAM_HTU_ENTRY_NUMBER 4 + #define OAM_ARQ_HTU_ENTRY 3 +#endif + +/* + * RX Frame Definitions + */ +#define MAX_RX_PACKET_ALIGN_BYTES 3 +#define MAX_RX_PACKET_PADDING_BYTES 3 +#define RX_INBAND_TRAILER_LENGTH 8 +#define MAX_RX_FRAME_EXTRA_BYTES (RX_INBAND_TRAILER_LENGTH + MAX_RX_PACKET_ALIGN_BYTES + MAX_RX_PACKET_PADDING_BYTES) + +/* + * TX Frame Definitions + */ +#define MAX_TX_HEADER_ALIGN_BYTES 12 +#define MAX_TX_PACKET_ALIGN_BYTES 3 +#define MAX_TX_PACKET_PADDING_BYTES 3 +#define TX_INBAND_HEADER_LENGTH 8 +#define MAX_TX_FRAME_EXTRA_BYTES (TX_INBAND_HEADER_LENGTH + MAX_TX_HEADER_ALIGN_BYTES + MAX_TX_PACKET_ALIGN_BYTES + MAX_TX_PACKET_PADDING_BYTES) + +/* + * Cell Constant + */ +#define CELL_SIZE ATM_AAL0_SDU + +/* + * ReTX Constant + */ +#if defined(ENABLE_ATM_RETX) && ENABLE_ATM_RETX + #define RETX_PLAYOUT_BUFFER_ORDER 6 + #define RETX_PLAYOUT_BUFFER_SIZE (PAGE_SIZE * (1 << RETX_PLAYOUT_BUFFER_ORDER)) + #define RETX_PLAYOUT_FW_BUFF_SIZE (RETX_PLAYOUT_BUFFER_SIZE / (32 * 56 /* cell size */)) + #define RETX_POLLING_INTERVAL (HZ / 100 > 0 ? HZ / 100 : 1) +#endif + + + +/* + * #################################### + * Data Type + * #################################### + */ + +typedef struct { + unsigned int h; + unsigned int l; +} ppe_u64_t; + +struct port { + unsigned int tx_max_cell_rate; + unsigned int tx_current_cell_rate; + + struct atm_dev *dev; +}; + +struct connection { + struct atm_vcc *vcc; + + volatile struct tx_descriptor + *tx_desc; + unsigned int tx_desc_pos; + struct sk_buff **tx_skb; + + unsigned int aal5_vcc_crc_err; /* number of packets with CRC error */ + unsigned int aal5_vcc_oversize_sdu; /* number of packets with oversize error */ + + unsigned int port; +}; + +struct atm_priv_data { + unsigned long conn_table; + struct connection conn[MAX_PVC_NUMBER]; + + volatile struct rx_descriptor + *aal_desc; + unsigned int aal_desc_pos; + + volatile struct rx_descriptor + *oam_desc; + unsigned char *oam_buf; + unsigned int oam_desc_pos; + + struct port port[ATM_PORT_NUMBER]; + + unsigned int wrx_pdu; /* successfully received AAL5 packet */ + unsigned int wrx_drop_pdu; /* AAL5 packet dropped by driver on RX */ + unsigned int wtx_pdu; /* successfully tranmitted AAL5 packet */ + unsigned int wtx_err_pdu; /* error AAL5 packet */ + unsigned int wtx_drop_pdu; /* AAL5 packet dropped by driver on TX */ + + ppe_u64_t wrx_total_byte; + ppe_u64_t wtx_total_byte; + unsigned int prev_wrx_total_byte; + unsigned int prev_wtx_total_byte; + + void *aal_desc_base; + void *oam_desc_base; + void *oam_buf_base; + void *tx_desc_base; + void *tx_skb_base; +}; + + + +/* + * #################################### + * Declaration + * #################################### + */ + +extern unsigned int ifx_atm_dbg_enable; + +extern void ifx_atm_get_fw_ver(unsigned int *major, unsigned int *minor); + +extern void ifx_atm_init_chip(void); +extern void ifx_atm_uninit_chip(void); + +extern int ifx_pp32_start(int pp32); +extern void ifx_pp32_stop(int pp32); + +extern void ifx_reset_ppe(void); + + + +#endif // IFXMIPS_ATM_CORE_H |