|  | /* | 
|  | * Atmel MACB Ethernet Controller driver | 
|  | * | 
|  | * Copyright (C) 2004-2006 Atmel Corporation | 
|  | * | 
|  | * 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. | 
|  | */ | 
|  | #ifndef _MACB_H | 
|  | #define _MACB_H | 
|  |  | 
|  | /* MACB register offsets */ | 
|  | #define MACB_NCR				0x0000 | 
|  | #define MACB_NCFGR				0x0004 | 
|  | #define MACB_NSR				0x0008 | 
|  | #define MACB_TSR				0x0014 | 
|  | #define MACB_RBQP				0x0018 | 
|  | #define MACB_TBQP				0x001c | 
|  | #define MACB_RSR				0x0020 | 
|  | #define MACB_ISR				0x0024 | 
|  | #define MACB_IER				0x0028 | 
|  | #define MACB_IDR				0x002c | 
|  | #define MACB_IMR				0x0030 | 
|  | #define MACB_MAN				0x0034 | 
|  | #define MACB_PTR				0x0038 | 
|  | #define MACB_PFR				0x003c | 
|  | #define MACB_FTO				0x0040 | 
|  | #define MACB_SCF				0x0044 | 
|  | #define MACB_MCF				0x0048 | 
|  | #define MACB_FRO				0x004c | 
|  | #define MACB_FCSE				0x0050 | 
|  | #define MACB_ALE				0x0054 | 
|  | #define MACB_DTF				0x0058 | 
|  | #define MACB_LCOL				0x005c | 
|  | #define MACB_EXCOL				0x0060 | 
|  | #define MACB_TUND				0x0064 | 
|  | #define MACB_CSE				0x0068 | 
|  | #define MACB_RRE				0x006c | 
|  | #define MACB_ROVR				0x0070 | 
|  | #define MACB_RSE				0x0074 | 
|  | #define MACB_ELE				0x0078 | 
|  | #define MACB_RJA				0x007c | 
|  | #define MACB_USF				0x0080 | 
|  | #define MACB_STE				0x0084 | 
|  | #define MACB_RLE				0x0088 | 
|  | #define MACB_TPF				0x008c | 
|  | #define MACB_HRB				0x0090 | 
|  | #define MACB_HRT				0x0094 | 
|  | #define MACB_SA1B				0x0098 | 
|  | #define MACB_SA1T				0x009c | 
|  | #define MACB_SA2B				0x00a0 | 
|  | #define MACB_SA2T				0x00a4 | 
|  | #define MACB_SA3B				0x00a8 | 
|  | #define MACB_SA3T				0x00ac | 
|  | #define MACB_SA4B				0x00b0 | 
|  | #define MACB_SA4T				0x00b4 | 
|  | #define MACB_TID				0x00b8 | 
|  | #define MACB_TPQ				0x00bc | 
|  | #define MACB_USRIO				0x00c0 | 
|  | #define MACB_WOL				0x00c4 | 
|  |  | 
|  | /* Bitfields in NCR */ | 
|  | #define MACB_LB_OFFSET				0 | 
|  | #define MACB_LB_SIZE				1 | 
|  | #define MACB_LLB_OFFSET				1 | 
|  | #define MACB_LLB_SIZE				1 | 
|  | #define MACB_RE_OFFSET				2 | 
|  | #define MACB_RE_SIZE				1 | 
|  | #define MACB_TE_OFFSET				3 | 
|  | #define MACB_TE_SIZE				1 | 
|  | #define MACB_MPE_OFFSET				4 | 
|  | #define MACB_MPE_SIZE				1 | 
|  | #define MACB_CLRSTAT_OFFSET			5 | 
|  | #define MACB_CLRSTAT_SIZE			1 | 
|  | #define MACB_INCSTAT_OFFSET			6 | 
|  | #define MACB_INCSTAT_SIZE			1 | 
|  | #define MACB_WESTAT_OFFSET			7 | 
|  | #define MACB_WESTAT_SIZE			1 | 
|  | #define MACB_BP_OFFSET				8 | 
|  | #define MACB_BP_SIZE				1 | 
|  | #define MACB_TSTART_OFFSET			9 | 
|  | #define MACB_TSTART_SIZE			1 | 
|  | #define MACB_THALT_OFFSET			10 | 
|  | #define MACB_THALT_SIZE				1 | 
|  | #define MACB_NCR_TPF_OFFSET			11 | 
|  | #define MACB_NCR_TPF_SIZE			1 | 
|  | #define MACB_TZQ_OFFSET				12 | 
|  | #define MACB_TZQ_SIZE				1 | 
|  |  | 
|  | /* Bitfields in NCFGR */ | 
|  | #define MACB_SPD_OFFSET				0 | 
|  | #define MACB_SPD_SIZE				1 | 
|  | #define MACB_FD_OFFSET				1 | 
|  | #define MACB_FD_SIZE				1 | 
|  | #define MACB_BIT_RATE_OFFSET			2 | 
|  | #define MACB_BIT_RATE_SIZE			1 | 
|  | #define MACB_JFRAME_OFFSET			3 | 
|  | #define MACB_JFRAME_SIZE			1 | 
|  | #define MACB_CAF_OFFSET				4 | 
|  | #define MACB_CAF_SIZE				1 | 
|  | #define MACB_NBC_OFFSET				5 | 
|  | #define MACB_NBC_SIZE				1 | 
|  | #define MACB_NCFGR_MTI_OFFSET			6 | 
|  | #define MACB_NCFGR_MTI_SIZE			1 | 
|  | #define MACB_UNI_OFFSET				7 | 
|  | #define MACB_UNI_SIZE				1 | 
|  | #define MACB_BIG_OFFSET				8 | 
|  | #define MACB_BIG_SIZE				1 | 
|  | #define MACB_EAE_OFFSET				9 | 
|  | #define MACB_EAE_SIZE				1 | 
|  | #define MACB_CLK_OFFSET				10 | 
|  | #define MACB_CLK_SIZE				2 | 
|  | #define MACB_RTY_OFFSET				12 | 
|  | #define MACB_RTY_SIZE				1 | 
|  | #define MACB_PAE_OFFSET				13 | 
|  | #define MACB_PAE_SIZE				1 | 
|  | #define MACB_RBOF_OFFSET			14 | 
|  | #define MACB_RBOF_SIZE				2 | 
|  | #define MACB_RLCE_OFFSET			16 | 
|  | #define MACB_RLCE_SIZE				1 | 
|  | #define MACB_DRFCS_OFFSET			17 | 
|  | #define MACB_DRFCS_SIZE				1 | 
|  | #define MACB_EFRHD_OFFSET			18 | 
|  | #define MACB_EFRHD_SIZE				1 | 
|  | #define MACB_IRXFCS_OFFSET			19 | 
|  | #define MACB_IRXFCS_SIZE			1 | 
|  |  | 
|  | /* Bitfields in NSR */ | 
|  | #define MACB_NSR_LINK_OFFSET			0 | 
|  | #define MACB_NSR_LINK_SIZE			1 | 
|  | #define MACB_MDIO_OFFSET			1 | 
|  | #define MACB_MDIO_SIZE				1 | 
|  | #define MACB_IDLE_OFFSET			2 | 
|  | #define MACB_IDLE_SIZE				1 | 
|  |  | 
|  | /* Bitfields in TSR */ | 
|  | #define MACB_UBR_OFFSET				0 | 
|  | #define MACB_UBR_SIZE				1 | 
|  | #define MACB_COL_OFFSET				1 | 
|  | #define MACB_COL_SIZE				1 | 
|  | #define MACB_TSR_RLE_OFFSET			2 | 
|  | #define MACB_TSR_RLE_SIZE			1 | 
|  | #define MACB_TGO_OFFSET				3 | 
|  | #define MACB_TGO_SIZE				1 | 
|  | #define MACB_BEX_OFFSET				4 | 
|  | #define MACB_BEX_SIZE				1 | 
|  | #define MACB_COMP_OFFSET			5 | 
|  | #define MACB_COMP_SIZE				1 | 
|  | #define MACB_UND_OFFSET				6 | 
|  | #define MACB_UND_SIZE				1 | 
|  |  | 
|  | /* Bitfields in RSR */ | 
|  | #define MACB_BNA_OFFSET				0 | 
|  | #define MACB_BNA_SIZE				1 | 
|  | #define MACB_REC_OFFSET				1 | 
|  | #define MACB_REC_SIZE				1 | 
|  | #define MACB_OVR_OFFSET				2 | 
|  | #define MACB_OVR_SIZE				1 | 
|  |  | 
|  | /* Bitfields in ISR/IER/IDR/IMR */ | 
|  | #define MACB_MFD_OFFSET				0 | 
|  | #define MACB_MFD_SIZE				1 | 
|  | #define MACB_RCOMP_OFFSET			1 | 
|  | #define MACB_RCOMP_SIZE				1 | 
|  | #define MACB_RXUBR_OFFSET			2 | 
|  | #define MACB_RXUBR_SIZE				1 | 
|  | #define MACB_TXUBR_OFFSET			3 | 
|  | #define MACB_TXUBR_SIZE				1 | 
|  | #define MACB_ISR_TUND_OFFSET			4 | 
|  | #define MACB_ISR_TUND_SIZE			1 | 
|  | #define MACB_ISR_RLE_OFFSET			5 | 
|  | #define MACB_ISR_RLE_SIZE			1 | 
|  | #define MACB_TXERR_OFFSET			6 | 
|  | #define MACB_TXERR_SIZE				1 | 
|  | #define MACB_TCOMP_OFFSET			7 | 
|  | #define MACB_TCOMP_SIZE				1 | 
|  | #define MACB_ISR_LINK_OFFSET			9 | 
|  | #define MACB_ISR_LINK_SIZE			1 | 
|  | #define MACB_ISR_ROVR_OFFSET			10 | 
|  | #define MACB_ISR_ROVR_SIZE			1 | 
|  | #define MACB_HRESP_OFFSET			11 | 
|  | #define MACB_HRESP_SIZE				1 | 
|  | #define MACB_PFR_OFFSET				12 | 
|  | #define MACB_PFR_SIZE				1 | 
|  | #define MACB_PTZ_OFFSET				13 | 
|  | #define MACB_PTZ_SIZE				1 | 
|  |  | 
|  | /* Bitfields in MAN */ | 
|  | #define MACB_DATA_OFFSET			0 | 
|  | #define MACB_DATA_SIZE				16 | 
|  | #define MACB_CODE_OFFSET			16 | 
|  | #define MACB_CODE_SIZE				2 | 
|  | #define MACB_REGA_OFFSET			18 | 
|  | #define MACB_REGA_SIZE				5 | 
|  | #define MACB_PHYA_OFFSET			23 | 
|  | #define MACB_PHYA_SIZE				5 | 
|  | #define MACB_RW_OFFSET				28 | 
|  | #define MACB_RW_SIZE				2 | 
|  | #define MACB_SOF_OFFSET				30 | 
|  | #define MACB_SOF_SIZE				2 | 
|  |  | 
|  | /* Bitfields in USRIO (AVR32) */ | 
|  | #define MACB_MII_OFFSET				0 | 
|  | #define MACB_MII_SIZE				1 | 
|  | #define MACB_EAM_OFFSET				1 | 
|  | #define MACB_EAM_SIZE				1 | 
|  | #define MACB_TX_PAUSE_OFFSET			2 | 
|  | #define MACB_TX_PAUSE_SIZE			1 | 
|  | #define MACB_TX_PAUSE_ZERO_OFFSET		3 | 
|  | #define MACB_TX_PAUSE_ZERO_SIZE			1 | 
|  |  | 
|  | /* Bitfields in USRIO (AT91) */ | 
|  | #define MACB_RMII_OFFSET			0 | 
|  | #define MACB_RMII_SIZE				1 | 
|  | #define MACB_CLKEN_OFFSET			1 | 
|  | #define MACB_CLKEN_SIZE				1 | 
|  |  | 
|  | /* Bitfields in WOL */ | 
|  | #define MACB_IP_OFFSET				0 | 
|  | #define MACB_IP_SIZE				16 | 
|  | #define MACB_MAG_OFFSET				16 | 
|  | #define MACB_MAG_SIZE				1 | 
|  | #define MACB_ARP_OFFSET				17 | 
|  | #define MACB_ARP_SIZE				1 | 
|  | #define MACB_SA1_OFFSET				18 | 
|  | #define MACB_SA1_SIZE				1 | 
|  | #define MACB_WOL_MTI_OFFSET			19 | 
|  | #define MACB_WOL_MTI_SIZE			1 | 
|  |  | 
|  | /* Constants for CLK */ | 
|  | #define MACB_CLK_DIV8				0 | 
|  | #define MACB_CLK_DIV16				1 | 
|  | #define MACB_CLK_DIV32				2 | 
|  | #define MACB_CLK_DIV64				3 | 
|  |  | 
|  | /* Constants for MAN register */ | 
|  | #define MACB_MAN_SOF				1 | 
|  | #define MACB_MAN_WRITE				1 | 
|  | #define MACB_MAN_READ				2 | 
|  | #define MACB_MAN_CODE				2 | 
|  |  | 
|  | /* Bit manipulation macros */ | 
|  | #define MACB_BIT(name)					\ | 
|  | (1 << MACB_##name##_OFFSET) | 
|  | #define MACB_BF(name,value)				\ | 
|  | (((value) & ((1 << MACB_##name##_SIZE) - 1))	\ | 
|  | << MACB_##name##_OFFSET) | 
|  | #define MACB_BFEXT(name,value)\ | 
|  | (((value) >> MACB_##name##_OFFSET)		\ | 
|  | & ((1 << MACB_##name##_SIZE) - 1)) | 
|  | #define MACB_BFINS(name,value,old)			\ | 
|  | (((old) & ~(((1 << MACB_##name##_SIZE) - 1)	\ | 
|  | << MACB_##name##_OFFSET))		\ | 
|  | | MACB_BF(name,value)) | 
|  |  | 
|  | /* Register access macros */ | 
|  | #define macb_readl(port,reg)				\ | 
|  | __raw_readl((port)->regs + MACB_##reg) | 
|  | #define macb_writel(port,reg,value)			\ | 
|  | __raw_writel((value), (port)->regs + MACB_##reg) | 
|  |  | 
|  | struct dma_desc { | 
|  | u32	addr; | 
|  | u32	ctrl; | 
|  | }; | 
|  |  | 
|  | /* DMA descriptor bitfields */ | 
|  | #define MACB_RX_USED_OFFSET			0 | 
|  | #define MACB_RX_USED_SIZE			1 | 
|  | #define MACB_RX_WRAP_OFFSET			1 | 
|  | #define MACB_RX_WRAP_SIZE			1 | 
|  | #define MACB_RX_WADDR_OFFSET			2 | 
|  | #define MACB_RX_WADDR_SIZE			30 | 
|  |  | 
|  | #define MACB_RX_FRMLEN_OFFSET			0 | 
|  | #define MACB_RX_FRMLEN_SIZE			12 | 
|  | #define MACB_RX_OFFSET_OFFSET			12 | 
|  | #define MACB_RX_OFFSET_SIZE			2 | 
|  | #define MACB_RX_SOF_OFFSET			14 | 
|  | #define MACB_RX_SOF_SIZE			1 | 
|  | #define MACB_RX_EOF_OFFSET			15 | 
|  | #define MACB_RX_EOF_SIZE			1 | 
|  | #define MACB_RX_CFI_OFFSET			16 | 
|  | #define MACB_RX_CFI_SIZE			1 | 
|  | #define MACB_RX_VLAN_PRI_OFFSET			17 | 
|  | #define MACB_RX_VLAN_PRI_SIZE			3 | 
|  | #define MACB_RX_PRI_TAG_OFFSET			20 | 
|  | #define MACB_RX_PRI_TAG_SIZE			1 | 
|  | #define MACB_RX_VLAN_TAG_OFFSET			21 | 
|  | #define MACB_RX_VLAN_TAG_SIZE			1 | 
|  | #define MACB_RX_TYPEID_MATCH_OFFSET		22 | 
|  | #define MACB_RX_TYPEID_MATCH_SIZE		1 | 
|  | #define MACB_RX_SA4_MATCH_OFFSET		23 | 
|  | #define MACB_RX_SA4_MATCH_SIZE			1 | 
|  | #define MACB_RX_SA3_MATCH_OFFSET		24 | 
|  | #define MACB_RX_SA3_MATCH_SIZE			1 | 
|  | #define MACB_RX_SA2_MATCH_OFFSET		25 | 
|  | #define MACB_RX_SA2_MATCH_SIZE			1 | 
|  | #define MACB_RX_SA1_MATCH_OFFSET		26 | 
|  | #define MACB_RX_SA1_MATCH_SIZE			1 | 
|  | #define MACB_RX_EXT_MATCH_OFFSET		28 | 
|  | #define MACB_RX_EXT_MATCH_SIZE			1 | 
|  | #define MACB_RX_UHASH_MATCH_OFFSET		29 | 
|  | #define MACB_RX_UHASH_MATCH_SIZE		1 | 
|  | #define MACB_RX_MHASH_MATCH_OFFSET		30 | 
|  | #define MACB_RX_MHASH_MATCH_SIZE		1 | 
|  | #define MACB_RX_BROADCAST_OFFSET		31 | 
|  | #define MACB_RX_BROADCAST_SIZE			1 | 
|  |  | 
|  | #define MACB_TX_FRMLEN_OFFSET			0 | 
|  | #define MACB_TX_FRMLEN_SIZE			11 | 
|  | #define MACB_TX_LAST_OFFSET			15 | 
|  | #define MACB_TX_LAST_SIZE			1 | 
|  | #define MACB_TX_NOCRC_OFFSET			16 | 
|  | #define MACB_TX_NOCRC_SIZE			1 | 
|  | #define MACB_TX_BUF_EXHAUSTED_OFFSET		27 | 
|  | #define MACB_TX_BUF_EXHAUSTED_SIZE		1 | 
|  | #define MACB_TX_UNDERRUN_OFFSET			28 | 
|  | #define MACB_TX_UNDERRUN_SIZE			1 | 
|  | #define MACB_TX_ERROR_OFFSET			29 | 
|  | #define MACB_TX_ERROR_SIZE			1 | 
|  | #define MACB_TX_WRAP_OFFSET			30 | 
|  | #define MACB_TX_WRAP_SIZE			1 | 
|  | #define MACB_TX_USED_OFFSET			31 | 
|  | #define MACB_TX_USED_SIZE			1 | 
|  |  | 
|  | struct ring_info { | 
|  | struct sk_buff		*skb; | 
|  | dma_addr_t		mapping; | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Hardware-collected statistics. Used when updating the network | 
|  | * device stats by a periodic timer. | 
|  | */ | 
|  | struct macb_stats { | 
|  | u32	rx_pause_frames; | 
|  | u32	tx_ok; | 
|  | u32	tx_single_cols; | 
|  | u32	tx_multiple_cols; | 
|  | u32	rx_ok; | 
|  | u32	rx_fcs_errors; | 
|  | u32	rx_align_errors; | 
|  | u32	tx_deferred; | 
|  | u32	tx_late_cols; | 
|  | u32	tx_excessive_cols; | 
|  | u32	tx_underruns; | 
|  | u32	tx_carrier_errors; | 
|  | u32	rx_resource_errors; | 
|  | u32	rx_overruns; | 
|  | u32	rx_symbol_errors; | 
|  | u32	rx_oversize_pkts; | 
|  | u32	rx_jabbers; | 
|  | u32	rx_undersize_pkts; | 
|  | u32	sqe_test_errors; | 
|  | u32	rx_length_mismatch; | 
|  | u32	tx_pause_frames; | 
|  | }; | 
|  |  | 
|  | struct macb { | 
|  | void __iomem		*regs; | 
|  |  | 
|  | unsigned int		rx_tail; | 
|  | struct dma_desc		*rx_ring; | 
|  | void			*rx_buffers; | 
|  |  | 
|  | unsigned int		tx_head, tx_tail; | 
|  | struct dma_desc		*tx_ring; | 
|  | struct ring_info	*tx_skb; | 
|  |  | 
|  | spinlock_t		lock; | 
|  | struct platform_device	*pdev; | 
|  | struct clk		*pclk; | 
|  | struct clk		*hclk; | 
|  | struct net_device	*dev; | 
|  | struct napi_struct	napi; | 
|  | struct net_device_stats	stats; | 
|  | struct macb_stats	hw_stats; | 
|  |  | 
|  | dma_addr_t		rx_ring_dma; | 
|  | dma_addr_t		tx_ring_dma; | 
|  | dma_addr_t		rx_buffers_dma; | 
|  |  | 
|  | unsigned int		rx_pending, tx_pending; | 
|  |  | 
|  | struct mii_bus		*mii_bus; | 
|  | struct phy_device	*phy_dev; | 
|  | unsigned int 		link; | 
|  | unsigned int 		speed; | 
|  | unsigned int 		duplex; | 
|  | }; | 
|  |  | 
|  | #endif /* _MACB_H */ |