1 #ifndef FS_ENET_H
2 #define FS_ENET_H
3
4 #include <linux/mii.h>
5 #include <linux/netdevice.h>
6 #include <linux/types.h>
7 #include <linux/list.h>
8 #include <linux/phy.h>
9 #include <linux/dma-mapping.h>
10
11 #include <linux/fs_enet_pd.h>
12 #include <asm/fs_pd.h>
13
14 #ifdef CONFIG_CPM1
15 #include <asm/cpm1.h>
16
17 struct fec_info {
18 fec_t __iomem *fecp;
19 u32 mii_speed;
20 };
21 #endif
22
23 #ifdef CONFIG_CPM2
24 #include <asm/cpm2.h>
25 #endif
26
27 /* hw driver ops */
28 struct fs_ops {
29 int (*setup_data)(struct net_device *dev);
30 int (*allocate_bd)(struct net_device *dev);
31 void (*free_bd)(struct net_device *dev);
32 void (*cleanup_data)(struct net_device *dev);
33 void (*set_multicast_list)(struct net_device *dev);
34 void (*adjust_link)(struct net_device *dev);
35 void (*restart)(struct net_device *dev);
36 void (*stop)(struct net_device *dev);
37 void (*napi_clear_rx_event)(struct net_device *dev);
38 void (*napi_enable_rx)(struct net_device *dev);
39 void (*napi_disable_rx)(struct net_device *dev);
40 void (*rx_bd_done)(struct net_device *dev);
41 void (*tx_kickstart)(struct net_device *dev);
42 u32 (*get_int_events)(struct net_device *dev);
43 void (*clear_int_events)(struct net_device *dev, u32 int_events);
44 void (*ev_error)(struct net_device *dev, u32 int_events);
45 int (*get_regs)(struct net_device *dev, void *p, int *sizep);
46 int (*get_regs_len)(struct net_device *dev);
47 void (*tx_restart)(struct net_device *dev);
48 };
49
50 struct phy_info {
51 unsigned int id;
52 const char *name;
53 void (*startup) (struct net_device * dev);
54 void (*shutdown) (struct net_device * dev);
55 void (*ack_int) (struct net_device * dev);
56 };
57
58 /* The FEC stores dest/src/type, data, and checksum for receive packets.
59 */
60 #define MAX_MTU 1508 /* Allow fullsized pppoe packets over VLAN */
61 #define MIN_MTU 46 /* this is data size */
62 #define CRC_LEN 4
63
64 #define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN)
65 #define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN)
66
67 /* Must be a multiple of 32 (to cover both FEC & FCC) */
68 #define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31)
69 /* This is needed so that invalidate_xxx wont invalidate too much */
70 #define ENET_RX_ALIGN 16
71 #define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE + ENET_RX_ALIGN - 1)
72
73 struct fs_enet_private {
74 struct napi_struct napi;
75 struct device *dev; /* pointer back to the device (must be initialized first) */
76 struct net_device *ndev;
77 spinlock_t lock; /* during all ops except TX pckt processing */
78 spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */
79 struct fs_platform_info *fpi;
80 const struct fs_ops *ops;
81 int rx_ring, tx_ring;
82 dma_addr_t ring_mem_addr;
83 void __iomem *ring_base;
84 struct sk_buff **rx_skbuff;
85 struct sk_buff **tx_skbuff;
86 cbd_t __iomem *rx_bd_base; /* Address of Rx and Tx buffers. */
87 cbd_t __iomem *tx_bd_base;
88 cbd_t __iomem *dirty_tx; /* ring entries to be free()ed. */
89 cbd_t __iomem *cur_rx;
90 cbd_t __iomem *cur_tx;
91 int tx_free;
92 struct net_device_stats stats;
93 struct timer_list phy_timer_list;
94 const struct phy_info *phy;
95 u32 msg_enable;
96 struct mii_if_info mii_if;
97 unsigned int last_mii_status;
98 int interrupt;
99
100 struct phy_device *phydev;
101 int oldduplex, oldspeed, oldlink; /* current settings */
102
103 /* event masks */
104 u32 ev_napi_rx; /* mask of NAPI rx events */
105 u32 ev_rx; /* rx event mask */
106 u32 ev_tx; /* tx event mask */
107 u32 ev_err; /* error event mask */
108
109 u16 bd_rx_empty; /* mask of BD rx empty */
110 u16 bd_rx_err; /* mask of BD rx errors */
111
112 union {
113 struct {
114 int idx; /* FEC1 = 0, FEC2 = 1 */
115 void __iomem *fecp; /* hw registers */
116 u32 hthi, htlo; /* state for multicast */
117 } fec;
118
119 struct {
120 int idx; /* FCC1-3 = 0-2 */
121 void __iomem *fccp; /* hw registers */
122 void __iomem *ep; /* parameter ram */
123 void __iomem *fcccp; /* hw registers cont. */
124 void __iomem *mem; /* FCC DPRAM */
125 u32 gaddrh, gaddrl; /* group address */
126 } fcc;
127
128 struct {
129 int idx; /* FEC1 = 0, FEC2 = 1 */
130 void __iomem *sccp; /* hw registers */
131 void __iomem *ep; /* parameter ram */
132 u32 hthi, htlo; /* state for multicast */
133 } scc;
134
135 };
136 };
137
138 /***************************************************************************/
139
140 void fs_init_bds(struct net_device *dev);
141 void fs_cleanup_bds(struct net_device *dev);
142
143 /***************************************************************************/
144
145 #define DRV_MODULE_NAME "fs_enet"
146 #define PFX DRV_MODULE_NAME ": "
147 #define DRV_MODULE_VERSION "1.0"
148 #define DRV_MODULE_RELDATE "Aug 8, 2005"
149
150 /***************************************************************************/
151
152 int fs_enet_platform_init(void);
153 void fs_enet_platform_cleanup(void);
154
155 /***************************************************************************/
156 /* buffer descriptor access macros */
157
158 /* access macros */
159 #if defined(CONFIG_CPM1)
160 /* for a a CPM1 __raw_xxx's are sufficient */
161 #define __cbd_out32(addr, x) __raw_writel(x, addr)
162 #define __cbd_out16(addr, x) __raw_writew(x, addr)
163 #define __cbd_in32(addr) __raw_readl(addr)
164 #define __cbd_in16(addr) __raw_readw(addr)
165 #else
166 /* for others play it safe */
167 #define __cbd_out32(addr, x) out_be32(addr, x)
168 #define __cbd_out16(addr, x) out_be16(addr, x)
169 #define __cbd_in32(addr) in_be32(addr)
170 #define __cbd_in16(addr) in_be16(addr)
171 #endif
172
173 /* write */
174 #define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc))
175 #define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen))
176 #define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr))
177
178 /* read */
179 #define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc)
180 #define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen)
181 #define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr)
182
183 /* set bits */
184 #define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc))
185
186 /* clear bits */
187 #define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc))
188
189 /*******************************************************************/
190
191 extern const struct fs_ops fs_fec_ops;
192 extern const struct fs_ops fs_fcc_ops;
193 extern const struct fs_ops fs_scc_ops;
194
195 /*******************************************************************/
196
197 #endif
198
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