]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - drivers/net/pasemi_mac.h
pasemi: DMA engine management library
[mirror_ubuntu-bionic-kernel.git] / drivers / net / pasemi_mac.h
CommitLineData
f5cd7872
OJ
1/*
2 * Copyright (C) 2006 PA Semi, Inc
3 *
4 * Driver for the PA6T-1682M onchip 1G/10G Ethernet MACs, soft state and
5 * hardware register layouts.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#ifndef PASEMI_MAC_H
22#define PASEMI_MAC_H
23
24#include <linux/ethtool.h>
25#include <linux/netdevice.h>
26#include <linux/spinlock.h>
bb6e9590 27#include <linux/phy.h>
f5cd7872
OJ
28
29struct pasemi_mac_txring {
30 spinlock_t lock;
72b05b99 31 u64 *status; /* Ptr to cacheable status area */
fc9e4d2a 32 u64 *ring;
f5cd7872
OJ
33 dma_addr_t dma;
34 unsigned int size;
021fa22e 35 unsigned int next_to_fill;
f5cd7872 36 unsigned int next_to_clean;
fc9e4d2a 37 struct pasemi_mac_buffer *ring_info;
72b05b99
OJ
38 int chan;
39 struct pasemi_mac *mac; /* Needed in intr handler */
f5cd7872
OJ
40};
41
42struct pasemi_mac_rxring {
43 spinlock_t lock;
72b05b99 44 u64 *status; /* Ptr to cacheable status area */
fc9e4d2a 45 u64 *ring; /* RX channel descriptor ring */
f5cd7872
OJ
46 dma_addr_t dma;
47 u64 *buffers; /* RX interface buffer ring */
48 dma_addr_t buf_dma;
49 unsigned int size;
50 unsigned int next_to_fill;
51 unsigned int next_to_clean;
fc9e4d2a 52 struct pasemi_mac_buffer *ring_info;
72b05b99 53 struct pasemi_mac *mac; /* Needed in intr handler */
f5cd7872
OJ
54};
55
56struct pasemi_mac {
57 struct net_device *netdev;
b6e05a1b
OJ
58 void __iomem *regs;
59 void __iomem *dma_regs;
60 void __iomem *iob_regs;
f5cd7872
OJ
61 struct pci_dev *pdev;
62 struct pci_dev *dma_pdev;
63 struct pci_dev *iob_pdev;
bb6e9590 64 struct phy_device *phydev;
bea3348e 65 struct napi_struct napi;
f5cd7872 66
f5cd7872
OJ
67 u8 type;
68#define MAC_TYPE_GMAC 1
69#define MAC_TYPE_XAUI 2
70 u32 dma_txch;
f5cd7872 71 u32 dma_rxch;
72b05b99 72 u32 dma_if;
f5cd7872
OJ
73
74 u8 mac_addr[6];
75
76 struct timer_list rxtimer;
77
78 struct pasemi_mac_txring *tx;
79 struct pasemi_mac_rxring *rx;
72b05b99
OJ
80 unsigned int tx_irq;
81 unsigned int rx_irq;
82 char tx_irq_name[10]; /* "eth%d tx" */
83 char rx_irq_name[10]; /* "eth%d rx" */
bb6e9590
OJ
84 int link;
85 int speed;
86 int duplex;
ceb51361
OJ
87
88 unsigned int msg_enable;
bb6e9590 89 char phy_id[BUS_ID_SIZE];
f5cd7872
OJ
90};
91
fc9e4d2a 92/* Software status descriptor (ring_info) */
f5cd7872
OJ
93struct pasemi_mac_buffer {
94 struct sk_buff *skb;
95 dma_addr_t dma;
96};
97
98
40afa531
OJ
99/* PCI register offsets and formats */
100
f5cd7872 101
f5cd7872 102/* MAC CFG register offsets */
f5cd7872
OJ
103enum {
104 PAS_MAC_CFG_PCFG = 0x80,
105 PAS_MAC_CFG_TXP = 0x98,
106 PAS_MAC_IPC_CHNL = 0x208,
107};
108
109/* MAC CFG register fields */
110#define PAS_MAC_CFG_PCFG_PE 0x80000000
111#define PAS_MAC_CFG_PCFG_CE 0x40000000
112#define PAS_MAC_CFG_PCFG_BU 0x20000000
113#define PAS_MAC_CFG_PCFG_TT 0x10000000
114#define PAS_MAC_CFG_PCFG_TSR_M 0x0c000000
115#define PAS_MAC_CFG_PCFG_TSR_10M 0x00000000
116#define PAS_MAC_CFG_PCFG_TSR_100M 0x04000000
117#define PAS_MAC_CFG_PCFG_TSR_1G 0x08000000
118#define PAS_MAC_CFG_PCFG_TSR_10G 0x0c000000
119#define PAS_MAC_CFG_PCFG_T24 0x02000000
120#define PAS_MAC_CFG_PCFG_PR 0x01000000
121#define PAS_MAC_CFG_PCFG_CRO_M 0x00ff0000
122#define PAS_MAC_CFG_PCFG_CRO_S 16
123#define PAS_MAC_CFG_PCFG_IPO_M 0x0000ff00
124#define PAS_MAC_CFG_PCFG_IPO_S 8
125#define PAS_MAC_CFG_PCFG_S1 0x00000080
126#define PAS_MAC_CFG_PCFG_IO_M 0x00000060
127#define PAS_MAC_CFG_PCFG_IO_MAC 0x00000000
128#define PAS_MAC_CFG_PCFG_IO_OFF 0x00000020
129#define PAS_MAC_CFG_PCFG_IO_IND_ETH 0x00000040
130#define PAS_MAC_CFG_PCFG_IO_IND_IP 0x00000060
131#define PAS_MAC_CFG_PCFG_LP 0x00000010
132#define PAS_MAC_CFG_PCFG_TS 0x00000008
133#define PAS_MAC_CFG_PCFG_HD 0x00000004
134#define PAS_MAC_CFG_PCFG_SPD_M 0x00000003
135#define PAS_MAC_CFG_PCFG_SPD_10M 0x00000000
136#define PAS_MAC_CFG_PCFG_SPD_100M 0x00000001
137#define PAS_MAC_CFG_PCFG_SPD_1G 0x00000002
138#define PAS_MAC_CFG_PCFG_SPD_10G 0x00000003
139#define PAS_MAC_CFG_TXP_FCF 0x01000000
140#define PAS_MAC_CFG_TXP_FCE 0x00800000
141#define PAS_MAC_CFG_TXP_FC 0x00400000
142#define PAS_MAC_CFG_TXP_FPC_M 0x00300000
143#define PAS_MAC_CFG_TXP_FPC_S 20
144#define PAS_MAC_CFG_TXP_FPC(x) (((x) << PAS_MAC_CFG_TXP_FPC_S) & \
145 PAS_MAC_CFG_TXP_FPC_M)
146#define PAS_MAC_CFG_TXP_RT 0x00080000
147#define PAS_MAC_CFG_TXP_BL 0x00040000
148#define PAS_MAC_CFG_TXP_SL_M 0x00030000
149#define PAS_MAC_CFG_TXP_SL_S 16
150#define PAS_MAC_CFG_TXP_SL(x) (((x) << PAS_MAC_CFG_TXP_SL_S) & \
151 PAS_MAC_CFG_TXP_SL_M)
152#define PAS_MAC_CFG_TXP_COB_M 0x0000f000
153#define PAS_MAC_CFG_TXP_COB_S 12
154#define PAS_MAC_CFG_TXP_COB(x) (((x) << PAS_MAC_CFG_TXP_COB_S) & \
155 PAS_MAC_CFG_TXP_COB_M)
156#define PAS_MAC_CFG_TXP_TIFT_M 0x00000f00
157#define PAS_MAC_CFG_TXP_TIFT_S 8
158#define PAS_MAC_CFG_TXP_TIFT(x) (((x) << PAS_MAC_CFG_TXP_TIFT_S) & \
159 PAS_MAC_CFG_TXP_TIFT_M)
160#define PAS_MAC_CFG_TXP_TIFG_M 0x000000ff
161#define PAS_MAC_CFG_TXP_TIFG_S 0
162#define PAS_MAC_CFG_TXP_TIFG(x) (((x) << PAS_MAC_CFG_TXP_TIFG_S) & \
163 PAS_MAC_CFG_TXP_TIFG_M)
164
165#define PAS_MAC_IPC_CHNL_DCHNO_M 0x003f0000
166#define PAS_MAC_IPC_CHNL_DCHNO_S 16
167#define PAS_MAC_IPC_CHNL_DCHNO(x) (((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \
168 PAS_MAC_IPC_CHNL_DCHNO_M)
169#define PAS_MAC_IPC_CHNL_BCH_M 0x0000003f
170#define PAS_MAC_IPC_CHNL_BCH_S 0
171#define PAS_MAC_IPC_CHNL_BCH(x) (((x) << PAS_MAC_IPC_CHNL_BCH_S) & \
172 PAS_MAC_IPC_CHNL_BCH_M)
173
f5cd7872 174#endif /* PASEMI_MAC_H */