/* * Copyright (C) 2006 PA Semi, Inc * * Driver for the PA6T-1682M onchip 1G/10G Ethernet MACs, soft state and * hardware register layouts. * * 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef PASEMI_MAC_H #define PASEMI_MAC_H #include #include #include #include /* Must be a power of two */ #define RX_RING_SIZE 2048 #define TX_RING_SIZE 4096 #define CS_RING_SIZE (TX_RING_SIZE*2) #define MAX_LRO_DESCRIPTORS 8 #define MAX_CS 2 struct pasemi_mac_txring { struct pasemi_dmachan chan; /* Must be first */ spinlock_t lock; unsigned int size; unsigned int next_to_fill; unsigned int next_to_clean; struct pasemi_mac_buffer *ring_info; struct pasemi_mac *mac; /* Needed in intr handler */ struct timer_list clean_timer; }; struct pasemi_mac_rxring { struct pasemi_dmachan chan; /* Must be first */ spinlock_t lock; u64 *buffers; /* RX interface buffer ring */ dma_addr_t buf_dma; unsigned int size; unsigned int next_to_fill; unsigned int next_to_clean; struct pasemi_mac_buffer *ring_info; struct pasemi_mac *mac; /* Needed in intr handler */ }; struct pasemi_mac_csring { struct pasemi_dmachan chan; unsigned int size; unsigned int next_to_fill; int events[2]; int last_event; int fun; }; struct pasemi_mac { struct net_device *netdev; struct pci_dev *pdev; struct pci_dev *dma_pdev; struct pci_dev *iob_pdev; struct phy_device *phydev; struct napi_struct napi; int bufsz; /* RX ring buffer size */ int last_cs; int num_cs; u32 dma_if; u8 type; #define MAC_TYPE_GMAC 1 #define MAC_TYPE_XAUI 2 u8 mac_addr[6]; struct net_lro_mgr lro_mgr; struct net_lro_desc lro_desc[MAX_LRO_DESCRIPTORS]; struct timer_list rxtimer; unsigned int lro_max_aggr; struct pasemi_mac_txring *tx; struct pasemi_mac_rxring *rx; struct pasemi_mac_csring *cs[MAX_CS]; char tx_irq_name[10]; /* "eth%d tx" */ char rx_irq_name[10]; /* "eth%d rx" */ int link; int speed; int duplex; unsigned int msg_enable; }; /* Software status descriptor (ring_info) */ struct pasemi_mac_buffer { struct sk_buff *skb; dma_addr_t dma; }; #define TX_DESC(tx, num) ((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)]) #define TX_DESC_INFO(tx, num) ((tx)->ring_info[(num) & (TX_RING_SIZE-1)]) #define RX_DESC(rx, num) ((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)]) #define RX_DESC_INFO(rx, num) ((rx)->ring_info[(num) & (RX_RING_SIZE-1)]) #define RX_BUFF(rx, num) ((rx)->buffers[(num) & (RX_RING_SIZE-1)]) #define CS_DESC(cs, num) ((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)]) #define RING_USED(ring) (((ring)->next_to_fill - (ring)->next_to_clean) \ & ((ring)->size - 1)) #define RING_AVAIL(ring) ((ring->size) - RING_USED(ring)) /* PCI register offsets and formats */ /* MAC CFG register offsets */ enum { PAS_MAC_CFG_PCFG = 0x80, PAS_MAC_CFG_MACCFG = 0x84, PAS_MAC_CFG_ADR0 = 0x8c, PAS_MAC_CFG_ADR1 = 0x90, PAS_MAC_CFG_TXP = 0x98, PAS_MAC_CFG_RMON = 0x100, PAS_MAC_IPC_CHNL = 0x208, }; /* MAC CFG register fields */ #define PAS_MAC_CFG_PCFG_PE 0x80000000 #define PAS_MAC_CFG_PCFG_CE 0x40000000 #define PAS_MAC_CFG_PCFG_BU 0x20000000 #define PAS_MAC_CFG_PCFG_TT 0x10000000 #define PAS_MAC_CFG_PCFG_TSR_M 0x0c000000 #define PAS_MAC_CFG_PCFG_TSR_10M 0x00000000 #define PAS_MAC_CFG_PCFG_TSR_100M 0x04000000 #define PAS_MAC_CFG_PCFG_TSR_1G 0x08000000 #define PAS_MAC_CFG_PCFG_TSR_10G 0x0c000000 #define PAS_MAC_CFG_PCFG_T24 0x02000000 #define PAS_MAC_CFG_PCFG_PR 0x01000000 #define PAS_MAC_CFG_PCFG_CRO_M 0x00ff0000 #define PAS_MAC_CFG_PCFG_CRO_S 16 #define PAS_MAC_CFG_PCFG_IPO_M 0x0000ff00 #define PAS_MAC_CFG_PCFG_IPO_S 8 #define PAS_MAC_CFG_PCFG_S1 0x00000080 #define PAS_MAC_CFG_PCFG_IO_M 0x00000060 #define PAS_MAC_CFG_PCFG_IO_MAC 0x00000000 #define PAS_MAC_CFG_PCFG_IO_OFF 0x00000020 #define PAS_MAC_CFG_PCFG_IO_IND_ETH 0x00000040 #define PAS_MAC_CFG_PCFG_IO_IND_IP 0x00000060 #define PAS_MAC_CFG_PCFG_LP 0x00000010 #define PAS_MAC_CFG_PCFG_TS 0x00000008 #define PAS_MAC_CFG_PCFG_HD 0x00000004 #define PAS_MAC_CFG_PCFG_SPD_M 0x00000003 #define PAS_MAC_CFG_PCFG_SPD_10M 0x00000000 #define PAS_MAC_CFG_PCFG_SPD_100M 0x00000001 #define PAS_MAC_CFG_PCFG_SPD_1G 0x00000002 #define PAS_MAC_CFG_PCFG_SPD_10G 0x00000003 #define PAS_MAC_CFG_MACCFG_TXT_M 0x70000000 #define PAS_MAC_CFG_MACCFG_TXT_S 28 #define PAS_MAC_CFG_MACCFG_PRES_M 0x0f000000 #define PAS_MAC_CFG_MACCFG_PRES_S 24 #define PAS_MAC_CFG_MACCFG_MAXF_M 0x00ffff00 #define PAS_MAC_CFG_MACCFG_MAXF_S 8 #define PAS_MAC_CFG_MACCFG_MAXF(x) (((x) << PAS_MAC_CFG_MACCFG_MAXF_S) & \ PAS_MAC_CFG_MACCFG_MAXF_M) #define PAS_MAC_CFG_MACCFG_MINF_M 0x000000ff #define PAS_MAC_CFG_MACCFG_MINF_S 0 #define PAS_MAC_CFG_TXP_FCF 0x01000000 #define PAS_MAC_CFG_TXP_FCE 0x00800000 #define PAS_MAC_CFG_TXP_FC 0x00400000 #define PAS_MAC_CFG_TXP_FPC_M 0x00300000 #define PAS_MAC_CFG_TXP_FPC_S 20 #define PAS_MAC_CFG_TXP_FPC(x) (((x) << PAS_MAC_CFG_TXP_FPC_S) & \ PAS_MAC_CFG_TXP_FPC_M) #define PAS_MAC_CFG_TXP_RT 0x00080000 #define PAS_MAC_CFG_TXP_BL 0x00040000 #define PAS_MAC_CFG_TXP_SL_M 0x00030000 #define PAS_MAC_CFG_TXP_SL_S 16 #define PAS_MAC_CFG_TXP_SL(x) (((x) << PAS_MAC_CFG_TXP_SL_S) & \ PAS_MAC_CFG_TXP_SL_M) #define PAS_MAC_CFG_TXP_COB_M 0x0000f000 #define PAS_MAC_CFG_TXP_COB_S 12 #define PAS_MAC_CFG_TXP_COB(x) (((x) << PAS_MAC_CFG_TXP_COB_S) & \ PAS_MAC_CFG_TXP_COB_M) #define PAS_MAC_CFG_TXP_TIFT_M 0x00000f00 #define PAS_MAC_CFG_TXP_TIFT_S 8 #define PAS_MAC_CFG_TXP_TIFT(x) (((x) << PAS_MAC_CFG_TXP_TIFT_S) & \ PAS_MAC_CFG_TXP_TIFT_M) #define PAS_MAC_CFG_TXP_TIFG_M 0x000000ff #define PAS_MAC_CFG_TXP_TIFG_S 0 #define PAS_MAC_CFG_TXP_TIFG(x) (((x) << PAS_MAC_CFG_TXP_TIFG_S) & \ PAS_MAC_CFG_TXP_TIFG_M) #define PAS_MAC_RMON(r) (0x100+(r)*4) #define PAS_MAC_IPC_CHNL_DCHNO_M 0x003f0000 #define PAS_MAC_IPC_CHNL_DCHNO_S 16 #define PAS_MAC_IPC_CHNL_DCHNO(x) (((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \ PAS_MAC_IPC_CHNL_DCHNO_M) #define PAS_MAC_IPC_CHNL_BCH_M 0x0000003f #define PAS_MAC_IPC_CHNL_BCH_S 0 #define PAS_MAC_IPC_CHNL_BCH(x) (((x) << PAS_MAC_IPC_CHNL_BCH_S) & \ PAS_MAC_IPC_CHNL_BCH_M) #endif /* PASEMI_MAC_H */