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-rw-r--r--drivers/net/fs_enet/fs_enet.h245
1 files changed, 245 insertions, 0 deletions
diff --git a/drivers/net/fs_enet/fs_enet.h b/drivers/net/fs_enet/fs_enet.h
new file mode 100644
index 000000000000..1105543b9d88
--- /dev/null
+++ b/drivers/net/fs_enet/fs_enet.h
@@ -0,0 +1,245 @@
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/version.h>
8#include <linux/list.h>
9
10#include <linux/fs_enet_pd.h>
11
12#include <asm/dma-mapping.h>
13
14#ifdef CONFIG_CPM1
15#include <asm/commproc.h>
16#endif
17
18#ifdef CONFIG_CPM2
19#include <asm/cpm2.h>
20#endif
21
22/* hw driver ops */
23struct fs_ops {
24 int (*setup_data)(struct net_device *dev);
25 int (*allocate_bd)(struct net_device *dev);
26 void (*free_bd)(struct net_device *dev);
27 void (*cleanup_data)(struct net_device *dev);
28 void (*set_multicast_list)(struct net_device *dev);
29 void (*restart)(struct net_device *dev);
30 void (*stop)(struct net_device *dev);
31 void (*pre_request_irq)(struct net_device *dev, int irq);
32 void (*post_free_irq)(struct net_device *dev, int irq);
33 void (*napi_clear_rx_event)(struct net_device *dev);
34 void (*napi_enable_rx)(struct net_device *dev);
35 void (*napi_disable_rx)(struct net_device *dev);
36 void (*rx_bd_done)(struct net_device *dev);
37 void (*tx_kickstart)(struct net_device *dev);
38 u32 (*get_int_events)(struct net_device *dev);
39 void (*clear_int_events)(struct net_device *dev, u32 int_events);
40 void (*ev_error)(struct net_device *dev, u32 int_events);
41 int (*get_regs)(struct net_device *dev, void *p, int *sizep);
42 int (*get_regs_len)(struct net_device *dev);
43 void (*tx_restart)(struct net_device *dev);
44};
45
46struct phy_info {
47 unsigned int id;
48 const char *name;
49 void (*startup) (struct net_device * dev);
50 void (*shutdown) (struct net_device * dev);
51 void (*ack_int) (struct net_device * dev);
52};
53
54/* The FEC stores dest/src/type, data, and checksum for receive packets.
55 */
56#define MAX_MTU 1508 /* Allow fullsized pppoe packets over VLAN */
57#define MIN_MTU 46 /* this is data size */
58#define CRC_LEN 4
59
60#define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN)
61#define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN)
62
63/* Must be a multiple of 32 (to cover both FEC & FCC) */
64#define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31)
65/* This is needed so that invalidate_xxx wont invalidate too much */
66#define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE)
67
68struct fs_enet_mii_bus {
69 struct list_head list;
70 spinlock_t mii_lock;
71 const struct fs_mii_bus_info *bus_info;
72 int refs;
73 u32 usage_map;
74
75 int (*mii_read)(struct fs_enet_mii_bus *bus,
76 int phy_id, int location);
77
78 void (*mii_write)(struct fs_enet_mii_bus *bus,
79 int phy_id, int location, int value);
80
81 union {
82 struct {
83 unsigned int mii_speed;
84 void *fecp;
85 } fec;
86
87 struct {
88 /* note that the actual port size may */
89 /* be different; cpm(s) handle it OK */
90 u8 mdio_msk;
91 u8 *mdio_dir;
92 u8 *mdio_dat;
93 u8 mdc_msk;
94 u8 *mdc_dir;
95 u8 *mdc_dat;
96 } bitbang;
97
98 struct {
99 u16 lpa;
100 } fixed;
101 };
102};
103
104int fs_mii_bitbang_init(struct fs_enet_mii_bus *bus);
105int fs_mii_fixed_init(struct fs_enet_mii_bus *bus);
106int fs_mii_fec_init(struct fs_enet_mii_bus *bus);
107
108struct fs_enet_private {
109 struct device *dev; /* pointer back to the device (must be initialized first) */
110 spinlock_t lock; /* during all ops except TX pckt processing */
111 spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */
112 const struct fs_platform_info *fpi;
113 const struct fs_ops *ops;
114 int rx_ring, tx_ring;
115 dma_addr_t ring_mem_addr;
116 void *ring_base;
117 struct sk_buff **rx_skbuff;
118 struct sk_buff **tx_skbuff;
119 cbd_t *rx_bd_base; /* Address of Rx and Tx buffers. */
120 cbd_t *tx_bd_base;
121 cbd_t *dirty_tx; /* ring entries to be free()ed. */
122 cbd_t *cur_rx;
123 cbd_t *cur_tx;
124 int tx_free;
125 struct net_device_stats stats;
126 struct timer_list phy_timer_list;
127 const struct phy_info *phy;
128 u32 msg_enable;
129 struct mii_if_info mii_if;
130 unsigned int last_mii_status;
131 struct fs_enet_mii_bus *mii_bus;
132 int interrupt;
133
134 int duplex, speed; /* current settings */
135
136 /* event masks */
137 u32 ev_napi_rx; /* mask of NAPI rx events */
138 u32 ev_rx; /* rx event mask */
139 u32 ev_tx; /* tx event mask */
140 u32 ev_err; /* error event mask */
141
142 u16 bd_rx_empty; /* mask of BD rx empty */
143 u16 bd_rx_err; /* mask of BD rx errors */
144
145 union {
146 struct {
147 int idx; /* FEC1 = 0, FEC2 = 1 */
148 void *fecp; /* hw registers */
149 u32 hthi, htlo; /* state for multicast */
150 } fec;
151
152 struct {
153 int idx; /* FCC1-3 = 0-2 */
154 void *fccp; /* hw registers */
155 void *ep; /* parameter ram */
156 void *fcccp; /* hw registers cont. */
157 void *mem; /* FCC DPRAM */
158 u32 gaddrh, gaddrl; /* group address */
159 } fcc;
160
161 struct {
162 int idx; /* FEC1 = 0, FEC2 = 1 */
163 void *sccp; /* hw registers */
164 void *ep; /* parameter ram */
165 u32 hthi, htlo; /* state for multicast */
166 } scc;
167
168 };
169};
170
171/***************************************************************************/
172
173int fs_mii_read(struct net_device *dev, int phy_id, int location);
174void fs_mii_write(struct net_device *dev, int phy_id, int location, int value);
175
176void fs_mii_startup(struct net_device *dev);
177void fs_mii_shutdown(struct net_device *dev);
178void fs_mii_ack_int(struct net_device *dev);
179
180void fs_mii_link_status_change_check(struct net_device *dev, int init_media);
181
182void fs_init_bds(struct net_device *dev);
183void fs_cleanup_bds(struct net_device *dev);
184
185/***************************************************************************/
186
187#define DRV_MODULE_NAME "fs_enet"
188#define PFX DRV_MODULE_NAME ": "
189#define DRV_MODULE_VERSION "1.0"
190#define DRV_MODULE_RELDATE "Aug 8, 2005"
191
192/***************************************************************************/
193
194int fs_enet_platform_init(void);
195void fs_enet_platform_cleanup(void);
196
197/***************************************************************************/
198
199/* buffer descriptor access macros */
200
201/* access macros */
202#if defined(CONFIG_CPM1)
203/* for a a CPM1 __raw_xxx's are sufficient */
204#define __cbd_out32(addr, x) __raw_writel(x, addr)
205#define __cbd_out16(addr, x) __raw_writew(x, addr)
206#define __cbd_in32(addr) __raw_readl(addr)
207#define __cbd_in16(addr) __raw_readw(addr)
208#else
209/* for others play it safe */
210#define __cbd_out32(addr, x) out_be32(addr, x)
211#define __cbd_out16(addr, x) out_be16(addr, x)
212#define __cbd_in32(addr) in_be32(addr)
213#define __cbd_in16(addr) in_be16(addr)
214#endif
215
216/* write */
217#define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc))
218#define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen))
219#define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr))
220
221/* read */
222#define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc)
223#define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen)
224#define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr)
225
226/* set bits */
227#define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc))
228
229/* clear bits */
230#define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc))
231
232/*******************************************************************/
233
234extern const struct fs_ops fs_fec_ops;
235extern const struct fs_ops fs_fcc_ops;
236extern const struct fs_ops fs_scc_ops;
237
238/*******************************************************************/
239
240/* handy pointer to the immap */
241extern void *fs_enet_immap;
242
243/*******************************************************************/
244
245#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-04 13:23:57 -0500