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Commit | Line | Data |
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4689ced9 PC |
1 | /* |
2 | This program is free software; you can redistribute it and/or | |
3 | modify it under the terms of the GNU General Public License | |
4 | as published by the Free Software Foundation; either version 2 | |
5 | of the License, or (at your option) any later version. | |
6 | ||
7 | This program is distributed in the hope that it will be useful, | |
8 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
9 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
10 | GNU General Public License for more details. | |
11 | ||
f3b197ac | 12 | |
4689ced9 PC |
13 | */ |
14 | ||
e02fb7aa JP |
15 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
16 | ||
4689ced9 PC |
17 | #define DRV_NAME "uli526x" |
18 | #define DRV_VERSION "0.9.3" | |
19 | #define DRV_RELDATE "2005-7-29" | |
20 | ||
21 | #include <linux/module.h> | |
22 | ||
23 | #include <linux/kernel.h> | |
24 | #include <linux/string.h> | |
25 | #include <linux/timer.h> | |
4689ced9 PC |
26 | #include <linux/errno.h> |
27 | #include <linux/ioport.h> | |
4689ced9 PC |
28 | #include <linux/interrupt.h> |
29 | #include <linux/pci.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/netdevice.h> | |
32 | #include <linux/etherdevice.h> | |
33 | #include <linux/ethtool.h> | |
34 | #include <linux/skbuff.h> | |
35 | #include <linux/delay.h> | |
36 | #include <linux/spinlock.h> | |
6cafa99f | 37 | #include <linux/dma-mapping.h> |
1977f032 | 38 | #include <linux/bitops.h> |
4689ced9 PC |
39 | |
40 | #include <asm/processor.h> | |
4689ced9 PC |
41 | #include <asm/io.h> |
42 | #include <asm/dma.h> | |
43 | #include <asm/uaccess.h> | |
44 | ||
45 | ||
46 | /* Board/System/Debug information/definition ---------------- */ | |
47 | #define PCI_ULI5261_ID 0x526110B9 /* ULi M5261 ID*/ | |
48 | #define PCI_ULI5263_ID 0x526310B9 /* ULi M5263 ID*/ | |
49 | ||
50 | #define ULI526X_IO_SIZE 0x100 | |
51 | #define TX_DESC_CNT 0x20 /* Allocated Tx descriptors */ | |
52 | #define RX_DESC_CNT 0x30 /* Allocated Rx descriptors */ | |
53 | #define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */ | |
54 | #define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */ | |
55 | #define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT) | |
56 | #define TX_BUF_ALLOC 0x600 | |
57 | #define RX_ALLOC_SIZE 0x620 | |
58 | #define ULI526X_RESET 1 | |
59 | #define CR0_DEFAULT 0 | |
945a7876 | 60 | #define CR6_DEFAULT 0x22200000 |
4689ced9 PC |
61 | #define CR7_DEFAULT 0x180c1 |
62 | #define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */ | |
63 | #define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */ | |
64 | #define MAX_PACKET_SIZE 1514 | |
65 | #define ULI5261_MAX_MULTICAST 14 | |
66 | #define RX_COPY_SIZE 100 | |
67 | #define MAX_CHECK_PACKET 0x8000 | |
68 | ||
69 | #define ULI526X_10MHF 0 | |
70 | #define ULI526X_100MHF 1 | |
71 | #define ULI526X_10MFD 4 | |
72 | #define ULI526X_100MFD 5 | |
73 | #define ULI526X_AUTO 8 | |
74 | ||
75 | #define ULI526X_TXTH_72 0x400000 /* TX TH 72 byte */ | |
76 | #define ULI526X_TXTH_96 0x404000 /* TX TH 96 byte */ | |
77 | #define ULI526X_TXTH_128 0x0000 /* TX TH 128 byte */ | |
78 | #define ULI526X_TXTH_256 0x4000 /* TX TH 256 byte */ | |
79 | #define ULI526X_TXTH_512 0x8000 /* TX TH 512 byte */ | |
80 | #define ULI526X_TXTH_1K 0xC000 /* TX TH 1K byte */ | |
81 | ||
82 | #define ULI526X_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */ | |
83 | #define ULI526X_TX_TIMEOUT ((16*HZ)/2) /* tx packet time-out time 8 s" */ | |
84 | #define ULI526X_TX_KICK (4*HZ/2) /* tx packet Kick-out time 2 s" */ | |
85 | ||
e02fb7aa JP |
86 | #define ULI526X_DBUG(dbug_now, msg, value) \ |
87 | do { \ | |
88 | if (uli526x_debug || (dbug_now)) \ | |
89 | pr_err("%s %lx\n", (msg), (long) (value)); \ | |
90 | } while (0) | |
4689ced9 | 91 | |
e02fb7aa JP |
92 | #define SHOW_MEDIA_TYPE(mode) \ |
93 | pr_err("Change Speed to %sMhz %s duplex\n", \ | |
94 | mode & 1 ? "100" : "10", \ | |
95 | mode & 4 ? "full" : "half"); | |
4689ced9 PC |
96 | |
97 | ||
98 | /* CR9 definition: SROM/MII */ | |
99 | #define CR9_SROM_READ 0x4800 | |
100 | #define CR9_SRCS 0x1 | |
101 | #define CR9_SRCLK 0x2 | |
102 | #define CR9_CRDOUT 0x8 | |
103 | #define SROM_DATA_0 0x0 | |
104 | #define SROM_DATA_1 0x4 | |
105 | #define PHY_DATA_1 0x20000 | |
106 | #define PHY_DATA_0 0x00000 | |
107 | #define MDCLKH 0x10000 | |
108 | ||
109 | #define PHY_POWER_DOWN 0x800 | |
110 | ||
111 | #define SROM_V41_CODE 0x14 | |
112 | ||
945a7876 PC |
113 | #define SROM_CLK_WRITE(data, ioaddr) \ |
114 | outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \ | |
115 | udelay(5); \ | |
116 | outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr); \ | |
117 | udelay(5); \ | |
118 | outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \ | |
119 | udelay(5); | |
4689ced9 PC |
120 | |
121 | /* Structure/enum declaration ------------------------------- */ | |
122 | struct tx_desc { | |
c559a5bc | 123 | __le32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */ |
4689ced9 PC |
124 | char *tx_buf_ptr; /* Data for us */ |
125 | struct tx_desc *next_tx_desc; | |
126 | } __attribute__(( aligned(32) )); | |
127 | ||
128 | struct rx_desc { | |
c559a5bc | 129 | __le32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */ |
4689ced9 PC |
130 | struct sk_buff *rx_skb_ptr; /* Data for us */ |
131 | struct rx_desc *next_rx_desc; | |
132 | } __attribute__(( aligned(32) )); | |
133 | ||
134 | struct uli526x_board_info { | |
135 | u32 chip_id; /* Chip vendor/Device ID */ | |
945a7876 | 136 | struct net_device *next_dev; /* next device */ |
4689ced9 PC |
137 | struct pci_dev *pdev; /* PCI device */ |
138 | spinlock_t lock; | |
139 | ||
140 | long ioaddr; /* I/O base address */ | |
141 | u32 cr0_data; | |
142 | u32 cr5_data; | |
143 | u32 cr6_data; | |
144 | u32 cr7_data; | |
145 | u32 cr15_data; | |
146 | ||
147 | /* pointer for memory physical address */ | |
148 | dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */ | |
149 | dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */ | |
150 | dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */ | |
151 | dma_addr_t first_tx_desc_dma; | |
152 | dma_addr_t first_rx_desc_dma; | |
153 | ||
154 | /* descriptor pointer */ | |
155 | unsigned char *buf_pool_ptr; /* Tx buffer pool memory */ | |
156 | unsigned char *buf_pool_start; /* Tx buffer pool align dword */ | |
157 | unsigned char *desc_pool_ptr; /* descriptor pool memory */ | |
158 | struct tx_desc *first_tx_desc; | |
159 | struct tx_desc *tx_insert_ptr; | |
160 | struct tx_desc *tx_remove_ptr; | |
161 | struct rx_desc *first_rx_desc; | |
162 | struct rx_desc *rx_insert_ptr; | |
163 | struct rx_desc *rx_ready_ptr; /* packet come pointer */ | |
164 | unsigned long tx_packet_cnt; /* transmitted packet count */ | |
165 | unsigned long rx_avail_cnt; /* available rx descriptor count */ | |
166 | unsigned long interval_rx_cnt; /* rx packet count a callback time */ | |
167 | ||
168 | u16 dbug_cnt; | |
169 | u16 NIC_capability; /* NIC media capability */ | |
170 | u16 PHY_reg4; /* Saved Phyxcer register 4 value */ | |
171 | ||
172 | u8 media_mode; /* user specify media mode */ | |
173 | u8 op_mode; /* real work media mode */ | |
174 | u8 phy_addr; | |
175 | u8 link_failed; /* Ever link failed */ | |
176 | u8 wait_reset; /* Hardware failed, need to reset */ | |
177 | struct timer_list timer; | |
178 | ||
4689ced9 PC |
179 | /* Driver defined statistic counter */ |
180 | unsigned long tx_fifo_underrun; | |
181 | unsigned long tx_loss_carrier; | |
182 | unsigned long tx_no_carrier; | |
183 | unsigned long tx_late_collision; | |
184 | unsigned long tx_excessive_collision; | |
185 | unsigned long tx_jabber_timeout; | |
186 | unsigned long reset_count; | |
187 | unsigned long reset_cr8; | |
188 | unsigned long reset_fatal; | |
189 | unsigned long reset_TXtimeout; | |
190 | ||
191 | /* NIC SROM data */ | |
192 | unsigned char srom[128]; | |
f3b197ac | 193 | u8 init; |
4689ced9 PC |
194 | }; |
195 | ||
196 | enum uli526x_offsets { | |
197 | DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20, | |
198 | DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48, | |
199 | DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70, | |
200 | DCR15 = 0x78 | |
201 | }; | |
202 | ||
203 | enum uli526x_CR6_bits { | |
204 | CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80, | |
205 | CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000, | |
206 | CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000 | |
207 | }; | |
208 | ||
209 | /* Global variable declaration ----------------------------- */ | |
210 | static int __devinitdata printed_version; | |
03f54b3d | 211 | static const char version[] __devinitconst = |
1c3319fb | 212 | "ULi M5261/M5263 net driver, version " DRV_VERSION " (" DRV_RELDATE ")"; |
4689ced9 PC |
213 | |
214 | static int uli526x_debug; | |
215 | static unsigned char uli526x_media_mode = ULI526X_AUTO; | |
216 | static u32 uli526x_cr6_user_set; | |
217 | ||
218 | /* For module input parameter */ | |
219 | static int debug; | |
220 | static u32 cr6set; | |
99bb2579 | 221 | static int mode = 8; |
4689ced9 PC |
222 | |
223 | /* function declaration ------------------------------------- */ | |
945a7876 | 224 | static int uli526x_open(struct net_device *); |
ad096463 SH |
225 | static netdev_tx_t uli526x_start_xmit(struct sk_buff *, |
226 | struct net_device *); | |
945a7876 | 227 | static int uli526x_stop(struct net_device *); |
945a7876 | 228 | static void uli526x_set_filter_mode(struct net_device *); |
7282d491 | 229 | static const struct ethtool_ops netdev_ethtool_ops; |
945a7876 | 230 | static u16 read_srom_word(long, int); |
7d12e780 | 231 | static irqreturn_t uli526x_interrupt(int, void *); |
7fa0cba3 AV |
232 | #ifdef CONFIG_NET_POLL_CONTROLLER |
233 | static void uli526x_poll(struct net_device *dev); | |
234 | #endif | |
4689ced9 PC |
235 | static void uli526x_descriptor_init(struct uli526x_board_info *, unsigned long); |
236 | static void allocate_rx_buffer(struct uli526x_board_info *); | |
237 | static void update_cr6(u32, unsigned long); | |
945a7876 | 238 | static void send_filter_frame(struct net_device *, int); |
4689ced9 PC |
239 | static u16 phy_read(unsigned long, u8, u8, u32); |
240 | static u16 phy_readby_cr10(unsigned long, u8, u8); | |
241 | static void phy_write(unsigned long, u8, u8, u16, u32); | |
242 | static void phy_writeby_cr10(unsigned long, u8, u8, u16); | |
243 | static void phy_write_1bit(unsigned long, u32, u32); | |
244 | static u16 phy_read_1bit(unsigned long, u32); | |
245 | static u8 uli526x_sense_speed(struct uli526x_board_info *); | |
246 | static void uli526x_process_mode(struct uli526x_board_info *); | |
247 | static void uli526x_timer(unsigned long); | |
945a7876 PC |
248 | static void uli526x_rx_packet(struct net_device *, struct uli526x_board_info *); |
249 | static void uli526x_free_tx_pkt(struct net_device *, struct uli526x_board_info *); | |
4689ced9 | 250 | static void uli526x_reuse_skb(struct uli526x_board_info *, struct sk_buff *); |
945a7876 | 251 | static void uli526x_dynamic_reset(struct net_device *); |
4689ced9 | 252 | static void uli526x_free_rxbuffer(struct uli526x_board_info *); |
945a7876 | 253 | static void uli526x_init(struct net_device *); |
4689ced9 PC |
254 | static void uli526x_set_phyxcer(struct uli526x_board_info *); |
255 | ||
945a7876 | 256 | /* ULI526X network board routine ---------------------------- */ |
4689ced9 | 257 | |
dfefe02b SH |
258 | static const struct net_device_ops netdev_ops = { |
259 | .ndo_open = uli526x_open, | |
260 | .ndo_stop = uli526x_stop, | |
261 | .ndo_start_xmit = uli526x_start_xmit, | |
262 | .ndo_set_multicast_list = uli526x_set_filter_mode, | |
263 | .ndo_change_mtu = eth_change_mtu, | |
264 | .ndo_set_mac_address = eth_mac_addr, | |
265 | .ndo_validate_addr = eth_validate_addr, | |
266 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
267 | .ndo_poll_controller = uli526x_poll, | |
268 | #endif | |
269 | }; | |
270 | ||
4689ced9 | 271 | /* |
945a7876 | 272 | * Search ULI526X board, allocate space and register it |
4689ced9 PC |
273 | */ |
274 | ||
275 | static int __devinit uli526x_init_one (struct pci_dev *pdev, | |
276 | const struct pci_device_id *ent) | |
277 | { | |
278 | struct uli526x_board_info *db; /* board information structure */ | |
279 | struct net_device *dev; | |
280 | int i, err; | |
f3b197ac | 281 | |
4689ced9 PC |
282 | ULI526X_DBUG(0, "uli526x_init_one()", 0); |
283 | ||
284 | if (!printed_version++) | |
1c3319fb | 285 | pr_info("%s\n", version); |
4689ced9 PC |
286 | |
287 | /* Init network device */ | |
288 | dev = alloc_etherdev(sizeof(*db)); | |
289 | if (dev == NULL) | |
290 | return -ENOMEM; | |
4689ced9 PC |
291 | SET_NETDEV_DEV(dev, &pdev->dev); |
292 | ||
284901a9 | 293 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { |
163ef0b5 | 294 | pr_warn("32-bit PCI DMA not available\n"); |
4689ced9 PC |
295 | err = -ENODEV; |
296 | goto err_out_free; | |
297 | } | |
298 | ||
299 | /* Enable Master/IO access, Disable memory access */ | |
300 | err = pci_enable_device(pdev); | |
301 | if (err) | |
302 | goto err_out_free; | |
303 | ||
304 | if (!pci_resource_start(pdev, 0)) { | |
e02fb7aa | 305 | pr_err("I/O base is zero\n"); |
4689ced9 PC |
306 | err = -ENODEV; |
307 | goto err_out_disable; | |
308 | } | |
309 | ||
310 | if (pci_resource_len(pdev, 0) < (ULI526X_IO_SIZE) ) { | |
e02fb7aa | 311 | pr_err("Allocated I/O size too small\n"); |
4689ced9 PC |
312 | err = -ENODEV; |
313 | goto err_out_disable; | |
314 | } | |
315 | ||
316 | if (pci_request_regions(pdev, DRV_NAME)) { | |
e02fb7aa | 317 | pr_err("Failed to request PCI regions\n"); |
4689ced9 PC |
318 | err = -ENODEV; |
319 | goto err_out_disable; | |
320 | } | |
321 | ||
4689ced9 PC |
322 | /* Init system & device */ |
323 | db = netdev_priv(dev); | |
324 | ||
325 | /* Allocate Tx/Rx descriptor memory */ | |
326 | db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr); | |
945a7876 PC |
327 | if(db->desc_pool_ptr == NULL) |
328 | { | |
329 | err = -ENOMEM; | |
330 | goto err_out_nomem; | |
331 | } | |
4689ced9 | 332 | db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr); |
945a7876 PC |
333 | if(db->buf_pool_ptr == NULL) |
334 | { | |
335 | err = -ENOMEM; | |
336 | goto err_out_nomem; | |
337 | } | |
f3b197ac | 338 | |
4689ced9 PC |
339 | db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; |
340 | db->first_tx_desc_dma = db->desc_pool_dma_ptr; | |
341 | db->buf_pool_start = db->buf_pool_ptr; | |
342 | db->buf_pool_dma_start = db->buf_pool_dma_ptr; | |
343 | ||
344 | db->chip_id = ent->driver_data; | |
345 | db->ioaddr = pci_resource_start(pdev, 0); | |
f3b197ac | 346 | |
4689ced9 PC |
347 | db->pdev = pdev; |
348 | db->init = 1; | |
f3b197ac | 349 | |
4689ced9 PC |
350 | dev->base_addr = db->ioaddr; |
351 | dev->irq = pdev->irq; | |
352 | pci_set_drvdata(pdev, dev); | |
f3b197ac | 353 | |
4689ced9 | 354 | /* Register some necessary functions */ |
dfefe02b | 355 | dev->netdev_ops = &netdev_ops; |
4689ced9 | 356 | dev->ethtool_ops = &netdev_ethtool_ops; |
dfefe02b | 357 | |
4689ced9 PC |
358 | spin_lock_init(&db->lock); |
359 | ||
f3b197ac | 360 | |
4689ced9 PC |
361 | /* read 64 word srom data */ |
362 | for (i = 0; i < 64; i++) | |
c559a5bc | 363 | ((__le16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i)); |
4689ced9 PC |
364 | |
365 | /* Set Node address */ | |
945a7876 | 366 | if(((u16 *) db->srom)[0] == 0xffff || ((u16 *) db->srom)[0] == 0) /* SROM absent, so read MAC address from ID Table */ |
4689ced9 PC |
367 | { |
368 | outl(0x10000, db->ioaddr + DCR0); //Diagnosis mode | |
369 | outl(0x1c0, db->ioaddr + DCR13); //Reset dianostic pointer port | |
370 | outl(0, db->ioaddr + DCR14); //Clear reset port | |
371 | outl(0x10, db->ioaddr + DCR14); //Reset ID Table pointer | |
372 | outl(0, db->ioaddr + DCR14); //Clear reset port | |
373 | outl(0, db->ioaddr + DCR13); //Clear CR13 | |
374 | outl(0x1b0, db->ioaddr + DCR13); //Select ID Table access port | |
375 | //Read MAC address from CR14 | |
376 | for (i = 0; i < 6; i++) | |
377 | dev->dev_addr[i] = inl(db->ioaddr + DCR14); | |
378 | //Read end | |
379 | outl(0, db->ioaddr + DCR13); //Clear CR13 | |
380 | outl(0, db->ioaddr + DCR0); //Clear CR0 | |
381 | udelay(10); | |
382 | } | |
383 | else /*Exist SROM*/ | |
384 | { | |
385 | for (i = 0; i < 6; i++) | |
386 | dev->dev_addr[i] = db->srom[20 + i]; | |
387 | } | |
388 | err = register_netdev (dev); | |
389 | if (err) | |
390 | goto err_out_res; | |
391 | ||
163ef0b5 JP |
392 | netdev_info(dev, "ULi M%04lx at pci%s, %pM, irq %d\n", |
393 | ent->driver_data >> 16, pci_name(pdev), | |
394 | dev->dev_addr, dev->irq); | |
4689ced9 PC |
395 | |
396 | pci_set_master(pdev); | |
397 | ||
398 | return 0; | |
399 | ||
400 | err_out_res: | |
401 | pci_release_regions(pdev); | |
945a7876 PC |
402 | err_out_nomem: |
403 | if(db->desc_pool_ptr) | |
404 | pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, | |
405 | db->desc_pool_ptr, db->desc_pool_dma_ptr); | |
f3b197ac | 406 | |
945a7876 PC |
407 | if(db->buf_pool_ptr != NULL) |
408 | pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, | |
409 | db->buf_pool_ptr, db->buf_pool_dma_ptr); | |
4689ced9 PC |
410 | err_out_disable: |
411 | pci_disable_device(pdev); | |
412 | err_out_free: | |
413 | pci_set_drvdata(pdev, NULL); | |
414 | free_netdev(dev); | |
415 | ||
416 | return err; | |
417 | } | |
418 | ||
419 | ||
420 | static void __devexit uli526x_remove_one (struct pci_dev *pdev) | |
421 | { | |
422 | struct net_device *dev = pci_get_drvdata(pdev); | |
423 | struct uli526x_board_info *db = netdev_priv(dev); | |
424 | ||
425 | ULI526X_DBUG(0, "uli526x_remove_one()", 0); | |
426 | ||
945a7876 PC |
427 | pci_free_consistent(db->pdev, sizeof(struct tx_desc) * |
428 | DESC_ALL_CNT + 0x20, db->desc_pool_ptr, | |
429 | db->desc_pool_dma_ptr); | |
430 | pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, | |
431 | db->buf_pool_ptr, db->buf_pool_dma_ptr); | |
432 | unregister_netdev(dev); | |
433 | pci_release_regions(pdev); | |
434 | free_netdev(dev); /* free board information */ | |
435 | pci_set_drvdata(pdev, NULL); | |
436 | pci_disable_device(pdev); | |
4689ced9 PC |
437 | ULI526X_DBUG(0, "uli526x_remove_one() exit", 0); |
438 | } | |
439 | ||
440 | ||
441 | /* | |
442 | * Open the interface. | |
945a7876 | 443 | * The interface is opened whenever "ifconfig" activates it. |
4689ced9 PC |
444 | */ |
445 | ||
945a7876 | 446 | static int uli526x_open(struct net_device *dev) |
4689ced9 PC |
447 | { |
448 | int ret; | |
449 | struct uli526x_board_info *db = netdev_priv(dev); | |
f3b197ac | 450 | |
4689ced9 PC |
451 | ULI526X_DBUG(0, "uli526x_open", 0); |
452 | ||
4689ced9 PC |
453 | /* system variable init */ |
454 | db->cr6_data = CR6_DEFAULT | uli526x_cr6_user_set; | |
4689ced9 PC |
455 | db->tx_packet_cnt = 0; |
456 | db->rx_avail_cnt = 0; | |
457 | db->link_failed = 1; | |
458 | netif_carrier_off(dev); | |
459 | db->wait_reset = 0; | |
460 | ||
461 | db->NIC_capability = 0xf; /* All capability*/ | |
462 | db->PHY_reg4 = 0x1e0; | |
463 | ||
464 | /* CR6 operation mode decision */ | |
465 | db->cr6_data |= ULI526X_TXTH_256; | |
466 | db->cr0_data = CR0_DEFAULT; | |
f3b197ac | 467 | |
945a7876 | 468 | /* Initialize ULI526X board */ |
4689ced9 PC |
469 | uli526x_init(dev); |
470 | ||
a0607fd3 | 471 | ret = request_irq(dev->irq, uli526x_interrupt, IRQF_SHARED, dev->name, dev); |
afd8e399 AV |
472 | if (ret) |
473 | return ret; | |
474 | ||
4689ced9 PC |
475 | /* Active System Interface */ |
476 | netif_wake_queue(dev); | |
477 | ||
478 | /* set and active a timer process */ | |
479 | init_timer(&db->timer); | |
480 | db->timer.expires = ULI526X_TIMER_WUT + HZ * 2; | |
481 | db->timer.data = (unsigned long)dev; | |
c061b18d | 482 | db->timer.function = uli526x_timer; |
4689ced9 PC |
483 | add_timer(&db->timer); |
484 | ||
485 | return 0; | |
486 | } | |
487 | ||
488 | ||
945a7876 | 489 | /* Initialize ULI526X board |
4689ced9 | 490 | * Reset ULI526X board |
945a7876 | 491 | * Initialize TX/Rx descriptor chain structure |
4689ced9 PC |
492 | * Send the set-up frame |
493 | * Enable Tx/Rx machine | |
494 | */ | |
495 | ||
945a7876 | 496 | static void uli526x_init(struct net_device *dev) |
4689ced9 PC |
497 | { |
498 | struct uli526x_board_info *db = netdev_priv(dev); | |
499 | unsigned long ioaddr = db->ioaddr; | |
500 | u8 phy_tmp; | |
7a7d23da | 501 | u8 timeout; |
4689ced9 PC |
502 | u16 phy_value; |
503 | u16 phy_reg_reset; | |
504 | ||
7a7d23da | 505 | |
4689ced9 PC |
506 | ULI526X_DBUG(0, "uli526x_init()", 0); |
507 | ||
508 | /* Reset M526x MAC controller */ | |
509 | outl(ULI526X_RESET, ioaddr + DCR0); /* RESET MAC */ | |
510 | udelay(100); | |
511 | outl(db->cr0_data, ioaddr + DCR0); | |
512 | udelay(5); | |
513 | ||
514 | /* Phy addr : In some boards,M5261/M5263 phy address != 1 */ | |
515 | db->phy_addr = 1; | |
516 | for(phy_tmp=0;phy_tmp<32;phy_tmp++) | |
517 | { | |
518 | phy_value=phy_read(db->ioaddr,phy_tmp,3,db->chip_id);//peer add | |
519 | if(phy_value != 0xffff&&phy_value!=0) | |
520 | { | |
521 | db->phy_addr = phy_tmp; | |
522 | break; | |
523 | } | |
524 | } | |
525 | if(phy_tmp == 32) | |
163ef0b5 | 526 | pr_warn("Can not find the phy address!!!\n"); |
4689ced9 PC |
527 | /* Parser SROM and media mode */ |
528 | db->media_mode = uli526x_media_mode; | |
529 | ||
7a7d23da | 530 | /* phyxcer capability setting */ |
4689ced9 PC |
531 | phy_reg_reset = phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id); |
532 | phy_reg_reset = (phy_reg_reset | 0x8000); | |
533 | phy_write(db->ioaddr, db->phy_addr, 0, phy_reg_reset, db->chip_id); | |
7a7d23da GG |
534 | |
535 | /* See IEEE 802.3-2002.pdf (Section 2, Chapter "22.2.4 Management | |
536 | * functions") or phy data sheet for details on phy reset | |
537 | */ | |
4689ced9 | 538 | udelay(500); |
7a7d23da GG |
539 | timeout = 10; |
540 | while (timeout-- && | |
541 | phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id) & 0x8000) | |
542 | udelay(100); | |
4689ced9 PC |
543 | |
544 | /* Process Phyxcer Media Mode */ | |
545 | uli526x_set_phyxcer(db); | |
546 | ||
547 | /* Media Mode Process */ | |
548 | if ( !(db->media_mode & ULI526X_AUTO) ) | |
549 | db->op_mode = db->media_mode; /* Force Mode */ | |
550 | ||
945a7876 | 551 | /* Initialize Transmit/Receive decriptor and CR3/4 */ |
4689ced9 PC |
552 | uli526x_descriptor_init(db, ioaddr); |
553 | ||
554 | /* Init CR6 to program M526X operation */ | |
555 | update_cr6(db->cr6_data, ioaddr); | |
556 | ||
557 | /* Send setup frame */ | |
4cd24eaf | 558 | send_filter_frame(dev, netdev_mc_count(dev)); /* M5261/M5263 */ |
4689ced9 PC |
559 | |
560 | /* Init CR7, interrupt active bit */ | |
561 | db->cr7_data = CR7_DEFAULT; | |
562 | outl(db->cr7_data, ioaddr + DCR7); | |
563 | ||
564 | /* Init CR15, Tx jabber and Rx watchdog timer */ | |
565 | outl(db->cr15_data, ioaddr + DCR15); | |
566 | ||
567 | /* Enable ULI526X Tx/Rx function */ | |
568 | db->cr6_data |= CR6_RXSC | CR6_TXSC; | |
569 | update_cr6(db->cr6_data, ioaddr); | |
570 | } | |
571 | ||
572 | ||
573 | /* | |
574 | * Hardware start transmission. | |
575 | * Send a packet to media from the upper layer. | |
576 | */ | |
577 | ||
ad096463 SH |
578 | static netdev_tx_t uli526x_start_xmit(struct sk_buff *skb, |
579 | struct net_device *dev) | |
4689ced9 PC |
580 | { |
581 | struct uli526x_board_info *db = netdev_priv(dev); | |
582 | struct tx_desc *txptr; | |
583 | unsigned long flags; | |
584 | ||
585 | ULI526X_DBUG(0, "uli526x_start_xmit", 0); | |
586 | ||
587 | /* Resource flag check */ | |
588 | netif_stop_queue(dev); | |
589 | ||
590 | /* Too large packet check */ | |
591 | if (skb->len > MAX_PACKET_SIZE) { | |
163ef0b5 | 592 | netdev_err(dev, "big packet = %d\n", (u16)skb->len); |
4689ced9 | 593 | dev_kfree_skb(skb); |
6ed10654 | 594 | return NETDEV_TX_OK; |
4689ced9 PC |
595 | } |
596 | ||
597 | spin_lock_irqsave(&db->lock, flags); | |
598 | ||
599 | /* No Tx resource check, it never happen nromally */ | |
600 | if (db->tx_packet_cnt >= TX_FREE_DESC_CNT) { | |
601 | spin_unlock_irqrestore(&db->lock, flags); | |
163ef0b5 | 602 | netdev_err(dev, "No Tx resource %ld\n", db->tx_packet_cnt); |
5b548140 | 603 | return NETDEV_TX_BUSY; |
4689ced9 PC |
604 | } |
605 | ||
606 | /* Disable NIC interrupt */ | |
607 | outl(0, dev->base_addr + DCR7); | |
608 | ||
609 | /* transmit this packet */ | |
610 | txptr = db->tx_insert_ptr; | |
d626f62b | 611 | skb_copy_from_linear_data(skb, txptr->tx_buf_ptr, skb->len); |
4689ced9 PC |
612 | txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len); |
613 | ||
614 | /* Point to next transmit free descriptor */ | |
615 | db->tx_insert_ptr = txptr->next_tx_desc; | |
616 | ||
617 | /* Transmit Packet Process */ | |
618 | if ( (db->tx_packet_cnt < TX_DESC_CNT) ) { | |
619 | txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */ | |
620 | db->tx_packet_cnt++; /* Ready to send */ | |
621 | outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ | |
622 | dev->trans_start = jiffies; /* saved time stamp */ | |
623 | } | |
624 | ||
625 | /* Tx resource check */ | |
626 | if ( db->tx_packet_cnt < TX_FREE_DESC_CNT ) | |
627 | netif_wake_queue(dev); | |
628 | ||
629 | /* Restore CR7 to enable interrupt */ | |
630 | spin_unlock_irqrestore(&db->lock, flags); | |
631 | outl(db->cr7_data, dev->base_addr + DCR7); | |
f3b197ac | 632 | |
4689ced9 PC |
633 | /* free this SKB */ |
634 | dev_kfree_skb(skb); | |
635 | ||
6ed10654 | 636 | return NETDEV_TX_OK; |
4689ced9 PC |
637 | } |
638 | ||
639 | ||
640 | /* | |
641 | * Stop the interface. | |
642 | * The interface is stopped when it is brought. | |
643 | */ | |
644 | ||
945a7876 | 645 | static int uli526x_stop(struct net_device *dev) |
4689ced9 PC |
646 | { |
647 | struct uli526x_board_info *db = netdev_priv(dev); | |
648 | unsigned long ioaddr = dev->base_addr; | |
649 | ||
650 | ULI526X_DBUG(0, "uli526x_stop", 0); | |
651 | ||
652 | /* disable system */ | |
653 | netif_stop_queue(dev); | |
654 | ||
655 | /* deleted timer */ | |
656 | del_timer_sync(&db->timer); | |
657 | ||
658 | /* Reset & stop ULI526X board */ | |
659 | outl(ULI526X_RESET, ioaddr + DCR0); | |
660 | udelay(5); | |
661 | phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id); | |
662 | ||
663 | /* free interrupt */ | |
664 | free_irq(dev->irq, dev); | |
665 | ||
666 | /* free allocated rx buffer */ | |
667 | uli526x_free_rxbuffer(db); | |
668 | ||
4689ced9 PC |
669 | return 0; |
670 | } | |
671 | ||
672 | ||
673 | /* | |
674 | * M5261/M5263 insterrupt handler | |
675 | * receive the packet to upper layer, free the transmitted packet | |
676 | */ | |
677 | ||
7d12e780 | 678 | static irqreturn_t uli526x_interrupt(int irq, void *dev_id) |
4689ced9 | 679 | { |
945a7876 | 680 | struct net_device *dev = dev_id; |
4689ced9 PC |
681 | struct uli526x_board_info *db = netdev_priv(dev); |
682 | unsigned long ioaddr = dev->base_addr; | |
683 | unsigned long flags; | |
684 | ||
4689ced9 PC |
685 | spin_lock_irqsave(&db->lock, flags); |
686 | outl(0, ioaddr + DCR7); | |
687 | ||
688 | /* Got ULI526X status */ | |
689 | db->cr5_data = inl(ioaddr + DCR5); | |
690 | outl(db->cr5_data, ioaddr + DCR5); | |
691 | if ( !(db->cr5_data & 0x180c1) ) { | |
7fa0cba3 | 692 | /* Restore CR7 to enable interrupt mask */ |
4689ced9 | 693 | outl(db->cr7_data, ioaddr + DCR7); |
7fa0cba3 | 694 | spin_unlock_irqrestore(&db->lock, flags); |
4689ced9 PC |
695 | return IRQ_HANDLED; |
696 | } | |
697 | ||
4689ced9 PC |
698 | /* Check system status */ |
699 | if (db->cr5_data & 0x2000) { | |
700 | /* system bus error happen */ | |
701 | ULI526X_DBUG(1, "System bus error happen. CR5=", db->cr5_data); | |
702 | db->reset_fatal++; | |
703 | db->wait_reset = 1; /* Need to RESET */ | |
704 | spin_unlock_irqrestore(&db->lock, flags); | |
705 | return IRQ_HANDLED; | |
706 | } | |
707 | ||
708 | /* Received the coming packet */ | |
709 | if ( (db->cr5_data & 0x40) && db->rx_avail_cnt ) | |
710 | uli526x_rx_packet(dev, db); | |
711 | ||
712 | /* reallocate rx descriptor buffer */ | |
713 | if (db->rx_avail_cnt<RX_DESC_CNT) | |
714 | allocate_rx_buffer(db); | |
715 | ||
716 | /* Free the transmitted descriptor */ | |
717 | if ( db->cr5_data & 0x01) | |
718 | uli526x_free_tx_pkt(dev, db); | |
719 | ||
720 | /* Restore CR7 to enable interrupt mask */ | |
721 | outl(db->cr7_data, ioaddr + DCR7); | |
722 | ||
723 | spin_unlock_irqrestore(&db->lock, flags); | |
724 | return IRQ_HANDLED; | |
725 | } | |
726 | ||
7fa0cba3 AV |
727 | #ifdef CONFIG_NET_POLL_CONTROLLER |
728 | static void uli526x_poll(struct net_device *dev) | |
729 | { | |
730 | /* ISR grabs the irqsave lock, so this should be safe */ | |
731 | uli526x_interrupt(dev->irq, dev); | |
732 | } | |
733 | #endif | |
4689ced9 PC |
734 | |
735 | /* | |
736 | * Free TX resource after TX complete | |
737 | */ | |
738 | ||
dfefe02b SH |
739 | static void uli526x_free_tx_pkt(struct net_device *dev, |
740 | struct uli526x_board_info * db) | |
4689ced9 PC |
741 | { |
742 | struct tx_desc *txptr; | |
4689ced9 PC |
743 | u32 tdes0; |
744 | ||
745 | txptr = db->tx_remove_ptr; | |
746 | while(db->tx_packet_cnt) { | |
747 | tdes0 = le32_to_cpu(txptr->tdes0); | |
4689ced9 PC |
748 | if (tdes0 & 0x80000000) |
749 | break; | |
750 | ||
751 | /* A packet sent completed */ | |
752 | db->tx_packet_cnt--; | |
dfefe02b | 753 | dev->stats.tx_packets++; |
4689ced9 PC |
754 | |
755 | /* Transmit statistic counter */ | |
756 | if ( tdes0 != 0x7fffffff ) { | |
dfefe02b SH |
757 | dev->stats.collisions += (tdes0 >> 3) & 0xf; |
758 | dev->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff; | |
4689ced9 | 759 | if (tdes0 & TDES0_ERR_MASK) { |
dfefe02b | 760 | dev->stats.tx_errors++; |
4689ced9 PC |
761 | if (tdes0 & 0x0002) { /* UnderRun */ |
762 | db->tx_fifo_underrun++; | |
763 | if ( !(db->cr6_data & CR6_SFT) ) { | |
764 | db->cr6_data = db->cr6_data | CR6_SFT; | |
765 | update_cr6(db->cr6_data, db->ioaddr); | |
766 | } | |
767 | } | |
768 | if (tdes0 & 0x0100) | |
769 | db->tx_excessive_collision++; | |
770 | if (tdes0 & 0x0200) | |
771 | db->tx_late_collision++; | |
772 | if (tdes0 & 0x0400) | |
773 | db->tx_no_carrier++; | |
774 | if (tdes0 & 0x0800) | |
775 | db->tx_loss_carrier++; | |
776 | if (tdes0 & 0x4000) | |
777 | db->tx_jabber_timeout++; | |
778 | } | |
779 | } | |
780 | ||
781 | txptr = txptr->next_tx_desc; | |
782 | }/* End of while */ | |
783 | ||
784 | /* Update TX remove pointer to next */ | |
785 | db->tx_remove_ptr = txptr; | |
786 | ||
787 | /* Resource available check */ | |
788 | if ( db->tx_packet_cnt < TX_WAKE_DESC_CNT ) | |
789 | netif_wake_queue(dev); /* Active upper layer, send again */ | |
790 | } | |
791 | ||
792 | ||
793 | /* | |
794 | * Receive the come packet and pass to upper layer | |
795 | */ | |
796 | ||
945a7876 | 797 | static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info * db) |
4689ced9 PC |
798 | { |
799 | struct rx_desc *rxptr; | |
800 | struct sk_buff *skb; | |
801 | int rxlen; | |
802 | u32 rdes0; | |
f3b197ac | 803 | |
4689ced9 PC |
804 | rxptr = db->rx_ready_ptr; |
805 | ||
806 | while(db->rx_avail_cnt) { | |
807 | rdes0 = le32_to_cpu(rxptr->rdes0); | |
808 | if (rdes0 & 0x80000000) /* packet owner check */ | |
809 | { | |
810 | break; | |
811 | } | |
812 | ||
813 | db->rx_avail_cnt--; | |
814 | db->interval_rx_cnt++; | |
815 | ||
816 | pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE); | |
817 | if ( (rdes0 & 0x300) != 0x300) { | |
818 | /* A packet without First/Last flag */ | |
819 | /* reuse this SKB */ | |
820 | ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0); | |
821 | uli526x_reuse_skb(db, rxptr->rx_skb_ptr); | |
822 | } else { | |
823 | /* A packet with First/Last flag */ | |
824 | rxlen = ( (rdes0 >> 16) & 0x3fff) - 4; | |
825 | ||
826 | /* error summary bit check */ | |
827 | if (rdes0 & 0x8000) { | |
828 | /* This is a error packet */ | |
dfefe02b | 829 | dev->stats.rx_errors++; |
4689ced9 | 830 | if (rdes0 & 1) |
dfefe02b | 831 | dev->stats.rx_fifo_errors++; |
4689ced9 | 832 | if (rdes0 & 2) |
dfefe02b | 833 | dev->stats.rx_crc_errors++; |
4689ced9 | 834 | if (rdes0 & 0x80) |
dfefe02b | 835 | dev->stats.rx_length_errors++; |
4689ced9 PC |
836 | } |
837 | ||
838 | if ( !(rdes0 & 0x8000) || | |
839 | ((db->cr6_data & CR6_PM) && (rxlen>6)) ) { | |
ac90a149 KM |
840 | struct sk_buff *new_skb = NULL; |
841 | ||
4689ced9 | 842 | skb = rxptr->rx_skb_ptr; |
f3b197ac | 843 | |
4689ced9 PC |
844 | /* Good packet, send to upper layer */ |
845 | /* Shorst packet used new SKB */ | |
ac90a149 | 846 | if ((rxlen < RX_COPY_SIZE) && |
7855f761 | 847 | (((new_skb = dev_alloc_skb(rxlen + 2)) != NULL))) { |
ac90a149 | 848 | skb = new_skb; |
4689ced9 | 849 | /* size less than COPY_SIZE, allocate a rxlen SKB */ |
4689ced9 | 850 | skb_reserve(skb, 2); /* 16byte align */ |
27a884dc ACM |
851 | memcpy(skb_put(skb, rxlen), |
852 | skb_tail_pointer(rxptr->rx_skb_ptr), | |
853 | rxlen); | |
4689ced9 | 854 | uli526x_reuse_skb(db, rxptr->rx_skb_ptr); |
4c13eb66 | 855 | } else |
4689ced9 | 856 | skb_put(skb, rxlen); |
4c13eb66 | 857 | |
4689ced9 PC |
858 | skb->protocol = eth_type_trans(skb, dev); |
859 | netif_rx(skb); | |
dfefe02b SH |
860 | dev->stats.rx_packets++; |
861 | dev->stats.rx_bytes += rxlen; | |
f3b197ac | 862 | |
4689ced9 PC |
863 | } else { |
864 | /* Reuse SKB buffer when the packet is error */ | |
865 | ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0); | |
866 | uli526x_reuse_skb(db, rxptr->rx_skb_ptr); | |
867 | } | |
868 | } | |
869 | ||
870 | rxptr = rxptr->next_rx_desc; | |
871 | } | |
872 | ||
873 | db->rx_ready_ptr = rxptr; | |
874 | } | |
875 | ||
876 | ||
4689ced9 PC |
877 | /* |
878 | * Set ULI526X multicast address | |
879 | */ | |
880 | ||
945a7876 | 881 | static void uli526x_set_filter_mode(struct net_device * dev) |
4689ced9 | 882 | { |
8f15ea42 | 883 | struct uli526x_board_info *db = netdev_priv(dev); |
4689ced9 PC |
884 | unsigned long flags; |
885 | ||
886 | ULI526X_DBUG(0, "uli526x_set_filter_mode()", 0); | |
887 | spin_lock_irqsave(&db->lock, flags); | |
888 | ||
889 | if (dev->flags & IFF_PROMISC) { | |
890 | ULI526X_DBUG(0, "Enable PROM Mode", 0); | |
891 | db->cr6_data |= CR6_PM | CR6_PBF; | |
892 | update_cr6(db->cr6_data, db->ioaddr); | |
893 | spin_unlock_irqrestore(&db->lock, flags); | |
894 | return; | |
895 | } | |
896 | ||
4cd24eaf JP |
897 | if (dev->flags & IFF_ALLMULTI || |
898 | netdev_mc_count(dev) > ULI5261_MAX_MULTICAST) { | |
899 | ULI526X_DBUG(0, "Pass all multicast address", | |
900 | netdev_mc_count(dev)); | |
4689ced9 PC |
901 | db->cr6_data &= ~(CR6_PM | CR6_PBF); |
902 | db->cr6_data |= CR6_PAM; | |
903 | spin_unlock_irqrestore(&db->lock, flags); | |
904 | return; | |
905 | } | |
906 | ||
4cd24eaf JP |
907 | ULI526X_DBUG(0, "Set multicast address", netdev_mc_count(dev)); |
908 | send_filter_frame(dev, netdev_mc_count(dev)); /* M5261/M5263 */ | |
4689ced9 PC |
909 | spin_unlock_irqrestore(&db->lock, flags); |
910 | } | |
911 | ||
912 | static void | |
913 | ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd) | |
914 | { | |
945a7876 PC |
915 | ecmd->supported = (SUPPORTED_10baseT_Half | |
916 | SUPPORTED_10baseT_Full | | |
917 | SUPPORTED_100baseT_Half | | |
918 | SUPPORTED_100baseT_Full | | |
919 | SUPPORTED_Autoneg | | |
920 | SUPPORTED_MII); | |
f3b197ac | 921 | |
945a7876 PC |
922 | ecmd->advertising = (ADVERTISED_10baseT_Half | |
923 | ADVERTISED_10baseT_Full | | |
924 | ADVERTISED_100baseT_Half | | |
925 | ADVERTISED_100baseT_Full | | |
926 | ADVERTISED_Autoneg | | |
927 | ADVERTISED_MII); | |
4689ced9 PC |
928 | |
929 | ||
945a7876 PC |
930 | ecmd->port = PORT_MII; |
931 | ecmd->phy_address = db->phy_addr; | |
4689ced9 | 932 | |
945a7876 | 933 | ecmd->transceiver = XCVR_EXTERNAL; |
f3b197ac | 934 | |
70739497 | 935 | ethtool_cmd_speed_set(ecmd, SPEED_10); |
4689ced9 | 936 | ecmd->duplex = DUPLEX_HALF; |
f3b197ac | 937 | |
4689ced9 PC |
938 | if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD) |
939 | { | |
70739497 | 940 | ethtool_cmd_speed_set(ecmd, SPEED_100); |
4689ced9 PC |
941 | } |
942 | if(db->op_mode==ULI526X_10MFD || db->op_mode==ULI526X_100MFD) | |
943 | { | |
944 | ecmd->duplex = DUPLEX_FULL; | |
945 | } | |
946 | if(db->link_failed) | |
947 | { | |
70739497 | 948 | ethtool_cmd_speed_set(ecmd, -1); |
f3b197ac | 949 | ecmd->duplex = -1; |
4689ced9 | 950 | } |
f3b197ac | 951 | |
4689ced9 | 952 | if (db->media_mode & ULI526X_AUTO) |
f3b197ac | 953 | { |
4689ced9 PC |
954 | ecmd->autoneg = AUTONEG_ENABLE; |
955 | } | |
4689ced9 PC |
956 | } |
957 | ||
958 | static void netdev_get_drvinfo(struct net_device *dev, | |
959 | struct ethtool_drvinfo *info) | |
960 | { | |
961 | struct uli526x_board_info *np = netdev_priv(dev); | |
962 | ||
963 | strcpy(info->driver, DRV_NAME); | |
964 | strcpy(info->version, DRV_VERSION); | |
965 | if (np->pdev) | |
966 | strcpy(info->bus_info, pci_name(np->pdev)); | |
967 | else | |
968 | sprintf(info->bus_info, "EISA 0x%lx %d", | |
969 | dev->base_addr, dev->irq); | |
970 | } | |
971 | ||
972 | static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { | |
973 | struct uli526x_board_info *np = netdev_priv(dev); | |
f3b197ac | 974 | |
4689ced9 | 975 | ULi_ethtool_gset(np, cmd); |
f3b197ac | 976 | |
4689ced9 PC |
977 | return 0; |
978 | } | |
979 | ||
980 | static u32 netdev_get_link(struct net_device *dev) { | |
981 | struct uli526x_board_info *np = netdev_priv(dev); | |
f3b197ac | 982 | |
4689ced9 PC |
983 | if(np->link_failed) |
984 | return 0; | |
985 | else | |
986 | return 1; | |
987 | } | |
988 | ||
989 | static void uli526x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
990 | { | |
991 | wol->supported = WAKE_PHY | WAKE_MAGIC; | |
992 | wol->wolopts = 0; | |
993 | } | |
994 | ||
7282d491 | 995 | static const struct ethtool_ops netdev_ethtool_ops = { |
4689ced9 PC |
996 | .get_drvinfo = netdev_get_drvinfo, |
997 | .get_settings = netdev_get_settings, | |
998 | .get_link = netdev_get_link, | |
999 | .get_wol = uli526x_get_wol, | |
1000 | }; | |
1001 | ||
1002 | /* | |
1003 | * A periodic timer routine | |
1004 | * Dynamic media sense, allocate Rx buffer... | |
1005 | */ | |
1006 | ||
1007 | static void uli526x_timer(unsigned long data) | |
1008 | { | |
1009 | u32 tmp_cr8; | |
1010 | unsigned char tmp_cr12=0; | |
945a7876 | 1011 | struct net_device *dev = (struct net_device *) data; |
4689ced9 PC |
1012 | struct uli526x_board_info *db = netdev_priv(dev); |
1013 | unsigned long flags; | |
f3b197ac | 1014 | |
4689ced9 PC |
1015 | //ULI526X_DBUG(0, "uli526x_timer()", 0); |
1016 | spin_lock_irqsave(&db->lock, flags); | |
1017 | ||
f3b197ac | 1018 | |
4689ced9 PC |
1019 | /* Dynamic reset ULI526X : system error or transmit time-out */ |
1020 | tmp_cr8 = inl(db->ioaddr + DCR8); | |
1021 | if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) { | |
1022 | db->reset_cr8++; | |
1023 | db->wait_reset = 1; | |
1024 | } | |
1025 | db->interval_rx_cnt = 0; | |
1026 | ||
1027 | /* TX polling kick monitor */ | |
1028 | if ( db->tx_packet_cnt && | |
1ae5dc34 | 1029 | time_after(jiffies, dev_trans_start(dev) + ULI526X_TX_KICK) ) { |
f3b197ac | 1030 | outl(0x1, dev->base_addr + DCR1); // Tx polling again |
4689ced9 | 1031 | |
f3b197ac | 1032 | // TX Timeout |
1ae5dc34 | 1033 | if ( time_after(jiffies, dev_trans_start(dev) + ULI526X_TX_TIMEOUT) ) { |
4689ced9 PC |
1034 | db->reset_TXtimeout++; |
1035 | db->wait_reset = 1; | |
1c3319fb | 1036 | netdev_err(dev, " Tx timeout - resetting\n"); |
4689ced9 PC |
1037 | } |
1038 | } | |
1039 | ||
1040 | if (db->wait_reset) { | |
1041 | ULI526X_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt); | |
1042 | db->reset_count++; | |
1043 | uli526x_dynamic_reset(dev); | |
1044 | db->timer.expires = ULI526X_TIMER_WUT; | |
1045 | add_timer(&db->timer); | |
1046 | spin_unlock_irqrestore(&db->lock, flags); | |
1047 | return; | |
1048 | } | |
1049 | ||
1050 | /* Link status check, Dynamic media type change */ | |
1051 | if((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)!=0) | |
1052 | tmp_cr12 = 3; | |
1053 | ||
1054 | if ( !(tmp_cr12 & 0x3) && !db->link_failed ) { | |
1055 | /* Link Failed */ | |
1056 | ULI526X_DBUG(0, "Link Failed", tmp_cr12); | |
1057 | netif_carrier_off(dev); | |
163ef0b5 | 1058 | netdev_info(dev, "NIC Link is Down\n"); |
4689ced9 PC |
1059 | db->link_failed = 1; |
1060 | ||
1061 | /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */ | |
1062 | /* AUTO don't need */ | |
1063 | if ( !(db->media_mode & 0x8) ) | |
1064 | phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id); | |
1065 | ||
1066 | /* AUTO mode, if INT phyxcer link failed, select EXT device */ | |
1067 | if (db->media_mode & ULI526X_AUTO) { | |
1068 | db->cr6_data&=~0x00000200; /* bit9=0, HD mode */ | |
1069 | update_cr6(db->cr6_data, db->ioaddr); | |
1070 | } | |
1071 | } else | |
1072 | if ((tmp_cr12 & 0x3) && db->link_failed) { | |
1073 | ULI526X_DBUG(0, "Link link OK", tmp_cr12); | |
1074 | db->link_failed = 0; | |
1075 | ||
1076 | /* Auto Sense Speed */ | |
1077 | if ( (db->media_mode & ULI526X_AUTO) && | |
1078 | uli526x_sense_speed(db) ) | |
1079 | db->link_failed = 1; | |
1080 | uli526x_process_mode(db); | |
f3b197ac | 1081 | |
4689ced9 PC |
1082 | if(db->link_failed==0) |
1083 | { | |
163ef0b5 JP |
1084 | netdev_info(dev, "NIC Link is Up %d Mbps %s duplex\n", |
1085 | (db->op_mode == ULI526X_100MHF || | |
1086 | db->op_mode == ULI526X_100MFD) | |
1087 | ? 100 : 10, | |
1088 | (db->op_mode == ULI526X_10MFD || | |
1089 | db->op_mode == ULI526X_100MFD) | |
1090 | ? "Full" : "Half"); | |
4689ced9 PC |
1091 | netif_carrier_on(dev); |
1092 | } | |
1093 | /* SHOW_MEDIA_TYPE(db->op_mode); */ | |
1094 | } | |
1095 | else if(!(tmp_cr12 & 0x3) && db->link_failed) | |
1096 | { | |
1097 | if(db->init==1) | |
1098 | { | |
163ef0b5 | 1099 | netdev_info(dev, "NIC Link is Down\n"); |
4689ced9 PC |
1100 | netif_carrier_off(dev); |
1101 | } | |
1102 | } | |
1103 | db->init=0; | |
1104 | ||
1105 | /* Timer active again */ | |
1106 | db->timer.expires = ULI526X_TIMER_WUT; | |
1107 | add_timer(&db->timer); | |
1108 | spin_unlock_irqrestore(&db->lock, flags); | |
1109 | } | |
1110 | ||
1111 | ||
1112 | /* | |
4689ced9 PC |
1113 | * Stop ULI526X board |
1114 | * Free Tx/Rx allocated memory | |
b6aec32a | 1115 | * Init system variable |
4689ced9 PC |
1116 | */ |
1117 | ||
b6aec32a | 1118 | static void uli526x_reset_prepare(struct net_device *dev) |
4689ced9 PC |
1119 | { |
1120 | struct uli526x_board_info *db = netdev_priv(dev); | |
1121 | ||
4689ced9 PC |
1122 | /* Sopt MAC controller */ |
1123 | db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */ | |
1124 | update_cr6(db->cr6_data, dev->base_addr); | |
1125 | outl(0, dev->base_addr + DCR7); /* Disable Interrupt */ | |
1126 | outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5); | |
1127 | ||
1128 | /* Disable upper layer interface */ | |
1129 | netif_stop_queue(dev); | |
1130 | ||
1131 | /* Free Rx Allocate buffer */ | |
1132 | uli526x_free_rxbuffer(db); | |
1133 | ||
1134 | /* system variable init */ | |
1135 | db->tx_packet_cnt = 0; | |
1136 | db->rx_avail_cnt = 0; | |
1137 | db->link_failed = 1; | |
1138 | db->init=1; | |
1139 | db->wait_reset = 0; | |
b6aec32a RW |
1140 | } |
1141 | ||
1142 | ||
1143 | /* | |
1144 | * Dynamic reset the ULI526X board | |
1145 | * Stop ULI526X board | |
1146 | * Free Tx/Rx allocated memory | |
1147 | * Reset ULI526X board | |
1148 | * Re-initialize ULI526X board | |
1149 | */ | |
1150 | ||
1151 | static void uli526x_dynamic_reset(struct net_device *dev) | |
1152 | { | |
1153 | ULI526X_DBUG(0, "uli526x_dynamic_reset()", 0); | |
1154 | ||
1155 | uli526x_reset_prepare(dev); | |
4689ced9 | 1156 | |
945a7876 | 1157 | /* Re-initialize ULI526X board */ |
4689ced9 PC |
1158 | uli526x_init(dev); |
1159 | ||
1160 | /* Restart upper layer interface */ | |
1161 | netif_wake_queue(dev); | |
1162 | } | |
1163 | ||
1164 | ||
b6aec32a RW |
1165 | #ifdef CONFIG_PM |
1166 | ||
1167 | /* | |
1168 | * Suspend the interface. | |
1169 | */ | |
1170 | ||
1171 | static int uli526x_suspend(struct pci_dev *pdev, pm_message_t state) | |
1172 | { | |
1173 | struct net_device *dev = pci_get_drvdata(pdev); | |
1174 | pci_power_t power_state; | |
1175 | int err; | |
1176 | ||
1177 | ULI526X_DBUG(0, "uli526x_suspend", 0); | |
1178 | ||
1179 | if (!netdev_priv(dev)) | |
1180 | return 0; | |
1181 | ||
1182 | pci_save_state(pdev); | |
1183 | ||
1184 | if (!netif_running(dev)) | |
1185 | return 0; | |
1186 | ||
1187 | netif_device_detach(dev); | |
1188 | uli526x_reset_prepare(dev); | |
1189 | ||
1190 | power_state = pci_choose_state(pdev, state); | |
1191 | pci_enable_wake(pdev, power_state, 0); | |
1192 | err = pci_set_power_state(pdev, power_state); | |
1193 | if (err) { | |
1194 | netif_device_attach(dev); | |
1195 | /* Re-initialize ULI526X board */ | |
1196 | uli526x_init(dev); | |
1197 | /* Restart upper layer interface */ | |
1198 | netif_wake_queue(dev); | |
1199 | } | |
1200 | ||
1201 | return err; | |
1202 | } | |
1203 | ||
1204 | /* | |
1205 | * Resume the interface. | |
1206 | */ | |
1207 | ||
1208 | static int uli526x_resume(struct pci_dev *pdev) | |
1209 | { | |
1210 | struct net_device *dev = pci_get_drvdata(pdev); | |
1211 | int err; | |
1212 | ||
1213 | ULI526X_DBUG(0, "uli526x_resume", 0); | |
1214 | ||
1215 | if (!netdev_priv(dev)) | |
1216 | return 0; | |
1217 | ||
1218 | pci_restore_state(pdev); | |
1219 | ||
1220 | if (!netif_running(dev)) | |
1221 | return 0; | |
1222 | ||
1223 | err = pci_set_power_state(pdev, PCI_D0); | |
1224 | if (err) { | |
163ef0b5 | 1225 | netdev_warn(dev, "Could not put device into D0\n"); |
b6aec32a RW |
1226 | return err; |
1227 | } | |
1228 | ||
1229 | netif_device_attach(dev); | |
1230 | /* Re-initialize ULI526X board */ | |
1231 | uli526x_init(dev); | |
1232 | /* Restart upper layer interface */ | |
1233 | netif_wake_queue(dev); | |
1234 | ||
1235 | return 0; | |
1236 | } | |
1237 | ||
1238 | #else /* !CONFIG_PM */ | |
1239 | ||
1240 | #define uli526x_suspend NULL | |
1241 | #define uli526x_resume NULL | |
1242 | ||
1243 | #endif /* !CONFIG_PM */ | |
1244 | ||
1245 | ||
4689ced9 PC |
1246 | /* |
1247 | * free all allocated rx buffer | |
1248 | */ | |
1249 | ||
1250 | static void uli526x_free_rxbuffer(struct uli526x_board_info * db) | |
1251 | { | |
1252 | ULI526X_DBUG(0, "uli526x_free_rxbuffer()", 0); | |
1253 | ||
1254 | /* free allocated rx buffer */ | |
1255 | while (db->rx_avail_cnt) { | |
1256 | dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr); | |
1257 | db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc; | |
1258 | db->rx_avail_cnt--; | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | ||
1263 | /* | |
1264 | * Reuse the SK buffer | |
1265 | */ | |
1266 | ||
1267 | static void uli526x_reuse_skb(struct uli526x_board_info *db, struct sk_buff * skb) | |
1268 | { | |
1269 | struct rx_desc *rxptr = db->rx_insert_ptr; | |
1270 | ||
1271 | if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) { | |
1272 | rxptr->rx_skb_ptr = skb; | |
27a884dc ACM |
1273 | rxptr->rdes2 = cpu_to_le32(pci_map_single(db->pdev, |
1274 | skb_tail_pointer(skb), | |
1275 | RX_ALLOC_SIZE, | |
1276 | PCI_DMA_FROMDEVICE)); | |
4689ced9 PC |
1277 | wmb(); |
1278 | rxptr->rdes0 = cpu_to_le32(0x80000000); | |
1279 | db->rx_avail_cnt++; | |
1280 | db->rx_insert_ptr = rxptr->next_rx_desc; | |
1281 | } else | |
1282 | ULI526X_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt); | |
1283 | } | |
1284 | ||
1285 | ||
1286 | /* | |
1287 | * Initialize transmit/Receive descriptor | |
1288 | * Using Chain structure, and allocate Tx/Rx buffer | |
1289 | */ | |
1290 | ||
1291 | static void uli526x_descriptor_init(struct uli526x_board_info *db, unsigned long ioaddr) | |
1292 | { | |
1293 | struct tx_desc *tmp_tx; | |
1294 | struct rx_desc *tmp_rx; | |
1295 | unsigned char *tmp_buf; | |
1296 | dma_addr_t tmp_tx_dma, tmp_rx_dma; | |
1297 | dma_addr_t tmp_buf_dma; | |
1298 | int i; | |
1299 | ||
1300 | ULI526X_DBUG(0, "uli526x_descriptor_init()", 0); | |
1301 | ||
1302 | /* tx descriptor start pointer */ | |
1303 | db->tx_insert_ptr = db->first_tx_desc; | |
1304 | db->tx_remove_ptr = db->first_tx_desc; | |
1305 | outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */ | |
1306 | ||
1307 | /* rx descriptor start pointer */ | |
1308 | db->first_rx_desc = (void *)db->first_tx_desc + sizeof(struct tx_desc) * TX_DESC_CNT; | |
1309 | db->first_rx_desc_dma = db->first_tx_desc_dma + sizeof(struct tx_desc) * TX_DESC_CNT; | |
1310 | db->rx_insert_ptr = db->first_rx_desc; | |
1311 | db->rx_ready_ptr = db->first_rx_desc; | |
1312 | outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */ | |
1313 | ||
1314 | /* Init Transmit chain */ | |
1315 | tmp_buf = db->buf_pool_start; | |
1316 | tmp_buf_dma = db->buf_pool_dma_start; | |
1317 | tmp_tx_dma = db->first_tx_desc_dma; | |
1318 | for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) { | |
1319 | tmp_tx->tx_buf_ptr = tmp_buf; | |
1320 | tmp_tx->tdes0 = cpu_to_le32(0); | |
1321 | tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */ | |
1322 | tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma); | |
1323 | tmp_tx_dma += sizeof(struct tx_desc); | |
1324 | tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma); | |
1325 | tmp_tx->next_tx_desc = tmp_tx + 1; | |
1326 | tmp_buf = tmp_buf + TX_BUF_ALLOC; | |
1327 | tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC; | |
1328 | } | |
1329 | (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma); | |
1330 | tmp_tx->next_tx_desc = db->first_tx_desc; | |
1331 | ||
1332 | /* Init Receive descriptor chain */ | |
1333 | tmp_rx_dma=db->first_rx_desc_dma; | |
1334 | for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) { | |
1335 | tmp_rx->rdes0 = cpu_to_le32(0); | |
1336 | tmp_rx->rdes1 = cpu_to_le32(0x01000600); | |
1337 | tmp_rx_dma += sizeof(struct rx_desc); | |
1338 | tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma); | |
1339 | tmp_rx->next_rx_desc = tmp_rx + 1; | |
1340 | } | |
1341 | (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma); | |
1342 | tmp_rx->next_rx_desc = db->first_rx_desc; | |
1343 | ||
1344 | /* pre-allocate Rx buffer */ | |
1345 | allocate_rx_buffer(db); | |
1346 | } | |
1347 | ||
1348 | ||
1349 | /* | |
1350 | * Update CR6 value | |
945a7876 | 1351 | * Firstly stop ULI526X, then written value and start |
4689ced9 PC |
1352 | */ |
1353 | ||
1354 | static void update_cr6(u32 cr6_data, unsigned long ioaddr) | |
1355 | { | |
1356 | ||
1357 | outl(cr6_data, ioaddr + DCR6); | |
1358 | udelay(5); | |
1359 | } | |
1360 | ||
1361 | ||
1362 | /* | |
1363 | * Send a setup frame for M5261/M5263 | |
945a7876 | 1364 | * This setup frame initialize ULI526X address filter mode |
4689ced9 PC |
1365 | */ |
1366 | ||
e284e5c6 AV |
1367 | #ifdef __BIG_ENDIAN |
1368 | #define FLT_SHIFT 16 | |
1369 | #else | |
1370 | #define FLT_SHIFT 0 | |
1371 | #endif | |
1372 | ||
945a7876 | 1373 | static void send_filter_frame(struct net_device *dev, int mc_cnt) |
4689ced9 PC |
1374 | { |
1375 | struct uli526x_board_info *db = netdev_priv(dev); | |
22bedad3 | 1376 | struct netdev_hw_addr *ha; |
4689ced9 PC |
1377 | struct tx_desc *txptr; |
1378 | u16 * addrptr; | |
1379 | u32 * suptr; | |
1380 | int i; | |
1381 | ||
1382 | ULI526X_DBUG(0, "send_filter_frame()", 0); | |
1383 | ||
1384 | txptr = db->tx_insert_ptr; | |
1385 | suptr = (u32 *) txptr->tx_buf_ptr; | |
1386 | ||
1387 | /* Node address */ | |
1388 | addrptr = (u16 *) dev->dev_addr; | |
e284e5c6 AV |
1389 | *suptr++ = addrptr[0] << FLT_SHIFT; |
1390 | *suptr++ = addrptr[1] << FLT_SHIFT; | |
1391 | *suptr++ = addrptr[2] << FLT_SHIFT; | |
4689ced9 PC |
1392 | |
1393 | /* broadcast address */ | |
e284e5c6 AV |
1394 | *suptr++ = 0xffff << FLT_SHIFT; |
1395 | *suptr++ = 0xffff << FLT_SHIFT; | |
1396 | *suptr++ = 0xffff << FLT_SHIFT; | |
4689ced9 PC |
1397 | |
1398 | /* fit the multicast address */ | |
22bedad3 JP |
1399 | netdev_for_each_mc_addr(ha, dev) { |
1400 | addrptr = (u16 *) ha->addr; | |
e284e5c6 AV |
1401 | *suptr++ = addrptr[0] << FLT_SHIFT; |
1402 | *suptr++ = addrptr[1] << FLT_SHIFT; | |
1403 | *suptr++ = addrptr[2] << FLT_SHIFT; | |
4689ced9 PC |
1404 | } |
1405 | ||
4302b67e | 1406 | for (i = netdev_mc_count(dev); i < 14; i++) { |
e284e5c6 AV |
1407 | *suptr++ = 0xffff << FLT_SHIFT; |
1408 | *suptr++ = 0xffff << FLT_SHIFT; | |
1409 | *suptr++ = 0xffff << FLT_SHIFT; | |
4689ced9 PC |
1410 | } |
1411 | ||
1412 | /* prepare the setup frame */ | |
1413 | db->tx_insert_ptr = txptr->next_tx_desc; | |
1414 | txptr->tdes1 = cpu_to_le32(0x890000c0); | |
1415 | ||
1416 | /* Resource Check and Send the setup packet */ | |
1417 | if (db->tx_packet_cnt < TX_DESC_CNT) { | |
1418 | /* Resource Empty */ | |
1419 | db->tx_packet_cnt++; | |
1420 | txptr->tdes0 = cpu_to_le32(0x80000000); | |
1421 | update_cr6(db->cr6_data | 0x2000, dev->base_addr); | |
1422 | outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */ | |
1423 | update_cr6(db->cr6_data, dev->base_addr); | |
1424 | dev->trans_start = jiffies; | |
1425 | } else | |
163ef0b5 | 1426 | netdev_err(dev, "No Tx resource - Send_filter_frame!\n"); |
4689ced9 PC |
1427 | } |
1428 | ||
1429 | ||
1430 | /* | |
1431 | * Allocate rx buffer, | |
1432 | * As possible as allocate maxiumn Rx buffer | |
1433 | */ | |
1434 | ||
1435 | static void allocate_rx_buffer(struct uli526x_board_info *db) | |
1436 | { | |
1437 | struct rx_desc *rxptr; | |
1438 | struct sk_buff *skb; | |
1439 | ||
1440 | rxptr = db->rx_insert_ptr; | |
1441 | ||
1442 | while(db->rx_avail_cnt < RX_DESC_CNT) { | |
1443 | if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL ) | |
1444 | break; | |
1445 | rxptr->rx_skb_ptr = skb; /* FIXME (?) */ | |
27a884dc ACM |
1446 | rxptr->rdes2 = cpu_to_le32(pci_map_single(db->pdev, |
1447 | skb_tail_pointer(skb), | |
1448 | RX_ALLOC_SIZE, | |
1449 | PCI_DMA_FROMDEVICE)); | |
4689ced9 PC |
1450 | wmb(); |
1451 | rxptr->rdes0 = cpu_to_le32(0x80000000); | |
1452 | rxptr = rxptr->next_rx_desc; | |
1453 | db->rx_avail_cnt++; | |
1454 | } | |
1455 | ||
1456 | db->rx_insert_ptr = rxptr; | |
1457 | } | |
1458 | ||
1459 | ||
1460 | /* | |
1461 | * Read one word data from the serial ROM | |
1462 | */ | |
1463 | ||
1464 | static u16 read_srom_word(long ioaddr, int offset) | |
1465 | { | |
1466 | int i; | |
1467 | u16 srom_data = 0; | |
1468 | long cr9_ioaddr = ioaddr + DCR9; | |
1469 | ||
1470 | outl(CR9_SROM_READ, cr9_ioaddr); | |
1471 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); | |
1472 | ||
1473 | /* Send the Read Command 110b */ | |
1474 | SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); | |
1475 | SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr); | |
1476 | SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr); | |
1477 | ||
1478 | /* Send the offset */ | |
1479 | for (i = 5; i >= 0; i--) { | |
1480 | srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0; | |
1481 | SROM_CLK_WRITE(srom_data, cr9_ioaddr); | |
1482 | } | |
1483 | ||
1484 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); | |
1485 | ||
1486 | for (i = 16; i > 0; i--) { | |
1487 | outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr); | |
1488 | udelay(5); | |
1489 | srom_data = (srom_data << 1) | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0); | |
1490 | outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr); | |
1491 | udelay(5); | |
1492 | } | |
1493 | ||
1494 | outl(CR9_SROM_READ, cr9_ioaddr); | |
1495 | return srom_data; | |
1496 | } | |
1497 | ||
1498 | ||
1499 | /* | |
1500 | * Auto sense the media mode | |
1501 | */ | |
1502 | ||
1503 | static u8 uli526x_sense_speed(struct uli526x_board_info * db) | |
1504 | { | |
1505 | u8 ErrFlag = 0; | |
1506 | u16 phy_mode; | |
1507 | ||
1508 | phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); | |
1509 | phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); | |
1510 | ||
1511 | if ( (phy_mode & 0x24) == 0x24 ) { | |
f3b197ac | 1512 | |
4689ced9 PC |
1513 | phy_mode = ((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)<<7); |
1514 | if(phy_mode&0x8000) | |
1515 | phy_mode = 0x8000; | |
1516 | else if(phy_mode&0x4000) | |
1517 | phy_mode = 0x4000; | |
1518 | else if(phy_mode&0x2000) | |
1519 | phy_mode = 0x2000; | |
1520 | else | |
1521 | phy_mode = 0x1000; | |
f3b197ac | 1522 | |
4689ced9 PC |
1523 | switch (phy_mode) { |
1524 | case 0x1000: db->op_mode = ULI526X_10MHF; break; | |
1525 | case 0x2000: db->op_mode = ULI526X_10MFD; break; | |
1526 | case 0x4000: db->op_mode = ULI526X_100MHF; break; | |
1527 | case 0x8000: db->op_mode = ULI526X_100MFD; break; | |
1528 | default: db->op_mode = ULI526X_10MHF; ErrFlag = 1; break; | |
1529 | } | |
1530 | } else { | |
1531 | db->op_mode = ULI526X_10MHF; | |
1532 | ULI526X_DBUG(0, "Link Failed :", phy_mode); | |
1533 | ErrFlag = 1; | |
1534 | } | |
1535 | ||
1536 | return ErrFlag; | |
1537 | } | |
1538 | ||
1539 | ||
1540 | /* | |
1541 | * Set 10/100 phyxcer capability | |
1542 | * AUTO mode : phyxcer register4 is NIC capability | |
1543 | * Force mode: phyxcer register4 is the force media | |
1544 | */ | |
1545 | ||
1546 | static void uli526x_set_phyxcer(struct uli526x_board_info *db) | |
1547 | { | |
1548 | u16 phy_reg; | |
f3b197ac | 1549 | |
4689ced9 PC |
1550 | /* Phyxcer capability setting */ |
1551 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0; | |
1552 | ||
1553 | if (db->media_mode & ULI526X_AUTO) { | |
1554 | /* AUTO Mode */ | |
1555 | phy_reg |= db->PHY_reg4; | |
1556 | } else { | |
1557 | /* Force Mode */ | |
1558 | switch(db->media_mode) { | |
1559 | case ULI526X_10MHF: phy_reg |= 0x20; break; | |
1560 | case ULI526X_10MFD: phy_reg |= 0x40; break; | |
1561 | case ULI526X_100MHF: phy_reg |= 0x80; break; | |
1562 | case ULI526X_100MFD: phy_reg |= 0x100; break; | |
1563 | } | |
f3b197ac | 1564 | |
4689ced9 PC |
1565 | } |
1566 | ||
1567 | /* Write new capability to Phyxcer Reg4 */ | |
1568 | if ( !(phy_reg & 0x01e0)) { | |
1569 | phy_reg|=db->PHY_reg4; | |
1570 | db->media_mode|=ULI526X_AUTO; | |
1571 | } | |
1572 | phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id); | |
1573 | ||
1574 | /* Restart Auto-Negotiation */ | |
1575 | phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id); | |
1576 | udelay(50); | |
1577 | } | |
1578 | ||
1579 | ||
1580 | /* | |
1581 | * Process op-mode | |
1582 | AUTO mode : PHY controller in Auto-negotiation Mode | |
1583 | * Force mode: PHY controller in force mode with HUB | |
1584 | * N-way force capability with SWITCH | |
1585 | */ | |
1586 | ||
1587 | static void uli526x_process_mode(struct uli526x_board_info *db) | |
1588 | { | |
1589 | u16 phy_reg; | |
1590 | ||
1591 | /* Full Duplex Mode Check */ | |
1592 | if (db->op_mode & 0x4) | |
1593 | db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */ | |
1594 | else | |
1595 | db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */ | |
1596 | ||
1597 | update_cr6(db->cr6_data, db->ioaddr); | |
1598 | ||
1599 | /* 10/100M phyxcer force mode need */ | |
1600 | if ( !(db->media_mode & 0x8)) { | |
1601 | /* Forece Mode */ | |
1602 | phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id); | |
1603 | if ( !(phy_reg & 0x1) ) { | |
1604 | /* parter without N-Way capability */ | |
1605 | phy_reg = 0x0; | |
1606 | switch(db->op_mode) { | |
1607 | case ULI526X_10MHF: phy_reg = 0x0; break; | |
1608 | case ULI526X_10MFD: phy_reg = 0x100; break; | |
1609 | case ULI526X_100MHF: phy_reg = 0x2000; break; | |
1610 | case ULI526X_100MFD: phy_reg = 0x2100; break; | |
1611 | } | |
1612 | phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id); | |
4689ced9 PC |
1613 | } |
1614 | } | |
1615 | } | |
1616 | ||
1617 | ||
1618 | /* | |
1619 | * Write a word to Phy register | |
1620 | */ | |
1621 | ||
1622 | static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data, u32 chip_id) | |
1623 | { | |
1624 | u16 i; | |
1625 | unsigned long ioaddr; | |
1626 | ||
1627 | if(chip_id == PCI_ULI5263_ID) | |
1628 | { | |
1629 | phy_writeby_cr10(iobase, phy_addr, offset, phy_data); | |
1630 | return; | |
1631 | } | |
1632 | /* M5261/M5263 Chip */ | |
1633 | ioaddr = iobase + DCR9; | |
1634 | ||
1635 | /* Send 33 synchronization clock to Phy controller */ | |
1636 | for (i = 0; i < 35; i++) | |
1637 | phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); | |
1638 | ||
1639 | /* Send start command(01) to Phy */ | |
1640 | phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); | |
1641 | phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); | |
1642 | ||
1643 | /* Send write command(01) to Phy */ | |
1644 | phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); | |
1645 | phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); | |
1646 | ||
1647 | /* Send Phy address */ | |
1648 | for (i = 0x10; i > 0; i = i >> 1) | |
1649 | phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); | |
1650 | ||
1651 | /* Send register address */ | |
1652 | for (i = 0x10; i > 0; i = i >> 1) | |
1653 | phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); | |
1654 | ||
1655 | /* written trasnition */ | |
1656 | phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); | |
1657 | phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); | |
1658 | ||
1659 | /* Write a word data to PHY controller */ | |
1660 | for ( i = 0x8000; i > 0; i >>= 1) | |
1661 | phy_write_1bit(ioaddr, phy_data & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); | |
f3b197ac | 1662 | |
4689ced9 PC |
1663 | } |
1664 | ||
1665 | ||
1666 | /* | |
1667 | * Read a word data from phy register | |
1668 | */ | |
1669 | ||
1670 | static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id) | |
1671 | { | |
1672 | int i; | |
1673 | u16 phy_data; | |
1674 | unsigned long ioaddr; | |
1675 | ||
1676 | if(chip_id == PCI_ULI5263_ID) | |
1677 | return phy_readby_cr10(iobase, phy_addr, offset); | |
1678 | /* M5261/M5263 Chip */ | |
1679 | ioaddr = iobase + DCR9; | |
f3b197ac | 1680 | |
4689ced9 PC |
1681 | /* Send 33 synchronization clock to Phy controller */ |
1682 | for (i = 0; i < 35; i++) | |
1683 | phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); | |
1684 | ||
1685 | /* Send start command(01) to Phy */ | |
1686 | phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); | |
1687 | phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); | |
1688 | ||
1689 | /* Send read command(10) to Phy */ | |
1690 | phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); | |
1691 | phy_write_1bit(ioaddr, PHY_DATA_0, chip_id); | |
1692 | ||
1693 | /* Send Phy address */ | |
1694 | for (i = 0x10; i > 0; i = i >> 1) | |
1695 | phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); | |
1696 | ||
1697 | /* Send register address */ | |
1698 | for (i = 0x10; i > 0; i = i >> 1) | |
1699 | phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); | |
1700 | ||
1701 | /* Skip transition state */ | |
1702 | phy_read_1bit(ioaddr, chip_id); | |
1703 | ||
1704 | /* read 16bit data */ | |
1705 | for (phy_data = 0, i = 0; i < 16; i++) { | |
1706 | phy_data <<= 1; | |
1707 | phy_data |= phy_read_1bit(ioaddr, chip_id); | |
1708 | } | |
1709 | ||
1710 | return phy_data; | |
1711 | } | |
1712 | ||
1713 | static u16 phy_readby_cr10(unsigned long iobase, u8 phy_addr, u8 offset) | |
1714 | { | |
1715 | unsigned long ioaddr,cr10_value; | |
f3b197ac | 1716 | |
4689ced9 PC |
1717 | ioaddr = iobase + DCR10; |
1718 | cr10_value = phy_addr; | |
1719 | cr10_value = (cr10_value<<5) + offset; | |
1720 | cr10_value = (cr10_value<<16) + 0x08000000; | |
1721 | outl(cr10_value,ioaddr); | |
1722 | udelay(1); | |
1723 | while(1) | |
1724 | { | |
1725 | cr10_value = inl(ioaddr); | |
1726 | if(cr10_value&0x10000000) | |
1727 | break; | |
1728 | } | |
807540ba | 1729 | return cr10_value & 0x0ffff; |
4689ced9 PC |
1730 | } |
1731 | ||
1732 | static void phy_writeby_cr10(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data) | |
1733 | { | |
1734 | unsigned long ioaddr,cr10_value; | |
f3b197ac | 1735 | |
4689ced9 PC |
1736 | ioaddr = iobase + DCR10; |
1737 | cr10_value = phy_addr; | |
1738 | cr10_value = (cr10_value<<5) + offset; | |
1739 | cr10_value = (cr10_value<<16) + 0x04000000 + phy_data; | |
1740 | outl(cr10_value,ioaddr); | |
1741 | udelay(1); | |
1742 | } | |
1743 | /* | |
1744 | * Write one bit data to Phy Controller | |
1745 | */ | |
1746 | ||
1747 | static void phy_write_1bit(unsigned long ioaddr, u32 phy_data, u32 chip_id) | |
1748 | { | |
1749 | outl(phy_data , ioaddr); /* MII Clock Low */ | |
1750 | udelay(1); | |
1751 | outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */ | |
1752 | udelay(1); | |
1753 | outl(phy_data , ioaddr); /* MII Clock Low */ | |
1754 | udelay(1); | |
1755 | } | |
1756 | ||
1757 | ||
1758 | /* | |
1759 | * Read one bit phy data from PHY controller | |
1760 | */ | |
1761 | ||
1762 | static u16 phy_read_1bit(unsigned long ioaddr, u32 chip_id) | |
1763 | { | |
1764 | u16 phy_data; | |
f3b197ac | 1765 | |
4689ced9 PC |
1766 | outl(0x50000 , ioaddr); |
1767 | udelay(1); | |
1768 | phy_data = ( inl(ioaddr) >> 19 ) & 0x1; | |
1769 | outl(0x40000 , ioaddr); | |
1770 | udelay(1); | |
1771 | ||
1772 | return phy_data; | |
1773 | } | |
1774 | ||
1775 | ||
a3aa1884 | 1776 | static DEFINE_PCI_DEVICE_TABLE(uli526x_pci_tbl) = { |
4689ced9 PC |
1777 | { 0x10B9, 0x5261, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5261_ID }, |
1778 | { 0x10B9, 0x5263, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5263_ID }, | |
1779 | { 0, } | |
1780 | }; | |
1781 | MODULE_DEVICE_TABLE(pci, uli526x_pci_tbl); | |
1782 | ||
1783 | ||
1784 | static struct pci_driver uli526x_driver = { | |
1785 | .name = "uli526x", | |
1786 | .id_table = uli526x_pci_tbl, | |
1787 | .probe = uli526x_init_one, | |
1788 | .remove = __devexit_p(uli526x_remove_one), | |
b6aec32a RW |
1789 | .suspend = uli526x_suspend, |
1790 | .resume = uli526x_resume, | |
4689ced9 PC |
1791 | }; |
1792 | ||
1793 | MODULE_AUTHOR("Peer Chen, peer.chen@uli.com.tw"); | |
1794 | MODULE_DESCRIPTION("ULi M5261/M5263 fast ethernet driver"); | |
1795 | MODULE_LICENSE("GPL"); | |
1796 | ||
c213460f ES |
1797 | module_param(debug, int, 0644); |
1798 | module_param(mode, int, 0); | |
1799 | module_param(cr6set, int, 0); | |
4689ced9 PC |
1800 | MODULE_PARM_DESC(debug, "ULi M5261/M5263 enable debugging (0-1)"); |
1801 | MODULE_PARM_DESC(mode, "ULi M5261/M5263: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA"); | |
1802 | ||
1803 | /* Description: | |
1804 | * when user used insmod to add module, system invoked init_module() | |
945a7876 | 1805 | * to register the services. |
4689ced9 PC |
1806 | */ |
1807 | ||
1808 | static int __init uli526x_init_module(void) | |
1809 | { | |
4689ced9 | 1810 | |
1c3319fb | 1811 | pr_info("%s\n", version); |
4689ced9 PC |
1812 | printed_version = 1; |
1813 | ||
1814 | ULI526X_DBUG(0, "init_module() ", debug); | |
1815 | ||
1816 | if (debug) | |
1817 | uli526x_debug = debug; /* set debug flag */ | |
1818 | if (cr6set) | |
1819 | uli526x_cr6_user_set = cr6set; | |
1820 | ||
e1c3e501 | 1821 | switch (mode) { |
4689ced9 PC |
1822 | case ULI526X_10MHF: |
1823 | case ULI526X_100MHF: | |
1824 | case ULI526X_10MFD: | |
1825 | case ULI526X_100MFD: | |
1826 | uli526x_media_mode = mode; | |
1827 | break; | |
e1c3e501 HK |
1828 | default: |
1829 | uli526x_media_mode = ULI526X_AUTO; | |
4689ced9 PC |
1830 | break; |
1831 | } | |
1832 | ||
e1c3e501 | 1833 | return pci_register_driver(&uli526x_driver); |
4689ced9 PC |
1834 | } |
1835 | ||
1836 | ||
1837 | /* | |
1838 | * Description: | |
1839 | * when user used rmmod to delete module, system invoked clean_module() | |
1840 | * to un-register all registered services. | |
1841 | */ | |
1842 | ||
1843 | static void __exit uli526x_cleanup_module(void) | |
1844 | { | |
1845 | ULI526X_DBUG(0, "uli526x_clean_module() ", debug); | |
1846 | pci_unregister_driver(&uli526x_driver); | |
1847 | } | |
1848 | ||
1849 | module_init(uli526x_init_module); | |
1850 | module_exit(uli526x_cleanup_module); |