]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blame - drivers/net/tulip/uli526x.c
projects / mirror_ubuntu-bionic-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ethtool: Use explicit designated initializers for .cmd
[mirror_ubuntu-bionic-kernel.git] / drivers / net / tulip / uli526x.c
CommitLineData
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>
28#include <linux/slab.h>
29#include <linux/interrupt.h>
30#include <linux/pci.h>
31#include <linux/init.h>
32#include <linux/netdevice.h>
33#include <linux/etherdevice.h>
34#include <linux/ethtool.h>
35#include <linux/skbuff.h>
36#include <linux/delay.h>
37#include <linux/spinlock.h>
6cafa99f 38#include <linux/dma-mapping.h>
1977f032 39#include <linux/bitops.h>
4689ced9
PC		 40
41#include <asm/processor.h>
4689ced9
PC		 42#include <asm/io.h>
43#include <asm/dma.h>
44#include <asm/uaccess.h>
45
46
47/* Board/System/Debug information/definition ---------------- */
48#define PCI_ULI5261_ID 0x526110B9 /* ULi M5261 ID*/
49#define PCI_ULI5263_ID 0x526310B9 /* ULi M5263 ID*/
50
51#define ULI526X_IO_SIZE 0x100
52#define TX_DESC_CNT 0x20 /* Allocated Tx descriptors */
53#define RX_DESC_CNT 0x30 /* Allocated Rx descriptors */
54#define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */
55#define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */
56#define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT)
57#define TX_BUF_ALLOC 0x600
58#define RX_ALLOC_SIZE 0x620
59#define ULI526X_RESET 1
60#define CR0_DEFAULT 0
945a7876 61#define CR6_DEFAULT 0x22200000
4689ced9
PC		 62#define CR7_DEFAULT 0x180c1
63#define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */
64#define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */
65#define MAX_PACKET_SIZE 1514
66#define ULI5261_MAX_MULTICAST 14
67#define RX_COPY_SIZE 100
68#define MAX_CHECK_PACKET 0x8000
69
70#define ULI526X_10MHF 0
71#define ULI526X_100MHF 1
72#define ULI526X_10MFD 4
73#define ULI526X_100MFD 5
74#define ULI526X_AUTO 8
75
76#define ULI526X_TXTH_72 0x400000 /* TX TH 72 byte */
77#define ULI526X_TXTH_96 0x404000 /* TX TH 96 byte */
78#define ULI526X_TXTH_128 0x0000 /* TX TH 128 byte */
79#define ULI526X_TXTH_256 0x4000 /* TX TH 256 byte */
80#define ULI526X_TXTH_512 0x8000 /* TX TH 512 byte */
81#define ULI526X_TXTH_1K 0xC000 /* TX TH 1K byte */
82
83#define ULI526X_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */
84#define ULI526X_TX_TIMEOUT ((16*HZ)/2) /* tx packet time-out time 8 s" */
85#define ULI526X_TX_KICK (4*HZ/2) /* tx packet Kick-out time 2 s" */
86
e02fb7aa
JP		 87#define ULI526X_DBUG(dbug_now, msg, value) \
88do { \
89 if (uli526x_debug || (dbug_now)) \
90 pr_err("%s %lx\n", (msg), (long) (value)); \
91} while (0)
4689ced9 92
e02fb7aa
JP		 93#define SHOW_MEDIA_TYPE(mode) \
94 pr_err("Change Speed to %sMhz %s duplex\n", \
95 mode & 1 ? "100" : "10", \
96 mode & 4 ? "full" : "half");
4689ced9
PC		 97
98
99/* CR9 definition: SROM/MII */
100#define CR9_SROM_READ 0x4800
101#define CR9_SRCS 0x1
102#define CR9_SRCLK 0x2
103#define CR9_CRDOUT 0x8
104#define SROM_DATA_0 0x0
105#define SROM_DATA_1 0x4
106#define PHY_DATA_1 0x20000
107#define PHY_DATA_0 0x00000
108#define MDCLKH 0x10000
109
110#define PHY_POWER_DOWN 0x800
111
112#define SROM_V41_CODE 0x14
113
945a7876
PC		 114#define SROM_CLK_WRITE(data, ioaddr) \
115 outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \
116 udelay(5); \
117 outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr); \
118 udelay(5); \
119 outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \
120 udelay(5);
4689ced9
PC		 121
122/* Structure/enum declaration ------------------------------- */
123struct tx_desc {
c559a5bc 124 __le32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */
4689ced9
PC		 125 char *tx_buf_ptr; /* Data for us */
126 struct tx_desc *next_tx_desc;
127} __attribute__(( aligned(32) ));
128
129struct rx_desc {
c559a5bc 130 __le32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */
4689ced9
PC		 131 struct sk_buff *rx_skb_ptr; /* Data for us */
132 struct rx_desc *next_rx_desc;
133} __attribute__(( aligned(32) ));
134
135struct uli526x_board_info {
136 u32 chip_id; /* Chip vendor/Device ID */
945a7876 137 struct net_device *next_dev; /* next device */
4689ced9
PC		 138 struct pci_dev *pdev; /* PCI device */
139 spinlock_t lock;
140
141 long ioaddr; /* I/O base address */
142 u32 cr0_data;
143 u32 cr5_data;
144 u32 cr6_data;
145 u32 cr7_data;
146 u32 cr15_data;
147
148 /* pointer for memory physical address */
149 dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */
150 dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */
151 dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */
152 dma_addr_t first_tx_desc_dma;
153 dma_addr_t first_rx_desc_dma;
154
155 /* descriptor pointer */
156 unsigned char *buf_pool_ptr; /* Tx buffer pool memory */
157 unsigned char *buf_pool_start; /* Tx buffer pool align dword */
158 unsigned char *desc_pool_ptr; /* descriptor pool memory */
159 struct tx_desc *first_tx_desc;
160 struct tx_desc *tx_insert_ptr;
161 struct tx_desc *tx_remove_ptr;
162 struct rx_desc *first_rx_desc;
163 struct rx_desc *rx_insert_ptr;
164 struct rx_desc *rx_ready_ptr; /* packet come pointer */
165 unsigned long tx_packet_cnt; /* transmitted packet count */
166 unsigned long rx_avail_cnt; /* available rx descriptor count */
167 unsigned long interval_rx_cnt; /* rx packet count a callback time */
168
169 u16 dbug_cnt;
170 u16 NIC_capability; /* NIC media capability */
171 u16 PHY_reg4; /* Saved Phyxcer register 4 value */
172
173 u8 media_mode; /* user specify media mode */
174 u8 op_mode; /* real work media mode */
175 u8 phy_addr;
176 u8 link_failed; /* Ever link failed */
177 u8 wait_reset; /* Hardware failed, need to reset */
178 struct timer_list timer;
179
4689ced9
PC		 180 /* Driver defined statistic counter */
181 unsigned long tx_fifo_underrun;
182 unsigned long tx_loss_carrier;
183 unsigned long tx_no_carrier;
184 unsigned long tx_late_collision;
185 unsigned long tx_excessive_collision;
186 unsigned long tx_jabber_timeout;
187 unsigned long reset_count;
188 unsigned long reset_cr8;
189 unsigned long reset_fatal;
190 unsigned long reset_TXtimeout;
191
192 /* NIC SROM data */
193 unsigned char srom[128];
f3b197ac 194 u8 init;
4689ced9
PC		 195};
196
197enum uli526x_offsets {
198 DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20,
199 DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48,
200 DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70,
201 DCR15 = 0x78
202};
203
204enum uli526x_CR6_bits {
205 CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80,
206 CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000,
207 CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000
208};
209
210/* Global variable declaration ----------------------------- */
211static int __devinitdata printed_version;
03f54b3d 212static const char version[] __devinitconst =
4689ced9
PC		 213 KERN_INFO DRV_NAME ": ULi M5261/M5263 net driver, version "
214 DRV_VERSION " (" DRV_RELDATE ")\n";
215
216static int uli526x_debug;
217static unsigned char uli526x_media_mode = ULI526X_AUTO;
218static u32 uli526x_cr6_user_set;
219
220/* For module input parameter */
221static int debug;
222static u32 cr6set;
99bb2579 223static int mode = 8;
4689ced9
PC		 224
225/* function declaration ------------------------------------- */
945a7876 226static int uli526x_open(struct net_device *);
ad096463
SH		 227static netdev_tx_t uli526x_start_xmit(struct sk_buff *,
228 struct net_device *);
945a7876 229static int uli526x_stop(struct net_device *);
945a7876 230static void uli526x_set_filter_mode(struct net_device *);
7282d491 231static const struct ethtool_ops netdev_ethtool_ops;
945a7876 232static u16 read_srom_word(long, int);
7d12e780 233static irqreturn_t uli526x_interrupt(int, void *);
7fa0cba3
AV		 234#ifdef CONFIG_NET_POLL_CONTROLLER
235static void uli526x_poll(struct net_device *dev);
236#endif
4689ced9
PC		 237static void uli526x_descriptor_init(struct uli526x_board_info *, unsigned long);
238static void allocate_rx_buffer(struct uli526x_board_info *);
239static void update_cr6(u32, unsigned long);
945a7876 240static void send_filter_frame(struct net_device *, int);
4689ced9
PC		 241static u16 phy_read(unsigned long, u8, u8, u32);
242static u16 phy_readby_cr10(unsigned long, u8, u8);
243static void phy_write(unsigned long, u8, u8, u16, u32);
244static void phy_writeby_cr10(unsigned long, u8, u8, u16);
245static void phy_write_1bit(unsigned long, u32, u32);
246static u16 phy_read_1bit(unsigned long, u32);
247static u8 uli526x_sense_speed(struct uli526x_board_info *);
248static void uli526x_process_mode(struct uli526x_board_info *);
249static void uli526x_timer(unsigned long);
945a7876
PC		 250static void uli526x_rx_packet(struct net_device *, struct uli526x_board_info *);
251static void uli526x_free_tx_pkt(struct net_device *, struct uli526x_board_info *);
4689ced9 252static void uli526x_reuse_skb(struct uli526x_board_info *, struct sk_buff *);
945a7876 253static void uli526x_dynamic_reset(struct net_device *);
4689ced9 254static void uli526x_free_rxbuffer(struct uli526x_board_info *);
945a7876 255static void uli526x_init(struct net_device *);
4689ced9
PC		 256static void uli526x_set_phyxcer(struct uli526x_board_info *);
257
945a7876 258/* ULI526X network board routine ---------------------------- */
4689ced9 259
dfefe02b
SH		 260static const struct net_device_ops netdev_ops = {
261 .ndo_open = uli526x_open,
262 .ndo_stop = uli526x_stop,
263 .ndo_start_xmit = uli526x_start_xmit,
264 .ndo_set_multicast_list = uli526x_set_filter_mode,
265 .ndo_change_mtu = eth_change_mtu,
266 .ndo_set_mac_address = eth_mac_addr,
267 .ndo_validate_addr = eth_validate_addr,
268#ifdef CONFIG_NET_POLL_CONTROLLER
269 .ndo_poll_controller = uli526x_poll,
270#endif
271};
272
4689ced9 273/*
945a7876 274 * Search ULI526X board, allocate space and register it
4689ced9
PC		 275 */
276
277static int __devinit uli526x_init_one (struct pci_dev *pdev,
278 const struct pci_device_id *ent)
279{
280 struct uli526x_board_info *db; /* board information structure */
281 struct net_device *dev;
282 int i, err;
f3b197ac 283
4689ced9
PC		 284 ULI526X_DBUG(0, "uli526x_init_one()", 0);
285
286 if (!printed_version++)
287 printk(version);
288
289 /* Init network device */
290 dev = alloc_etherdev(sizeof(*db));
291 if (dev == NULL)
292 return -ENOMEM;
4689ced9
PC		 293 SET_NETDEV_DEV(dev, &pdev->dev);
294
284901a9 295 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
e02fb7aa 296 pr_warning("32-bit PCI DMA not available\n");
4689ced9
PC		 297 err = -ENODEV;
298 goto err_out_free;
299 }
300
301 /* Enable Master/IO access, Disable memory access */
302 err = pci_enable_device(pdev);
303 if (err)
304 goto err_out_free;
305
306 if (!pci_resource_start(pdev, 0)) {
e02fb7aa 307 pr_err("I/O base is zero\n");
4689ced9
PC		 308 err = -ENODEV;
309 goto err_out_disable;
310 }
311
312 if (pci_resource_len(pdev, 0) < (ULI526X_IO_SIZE) ) {
e02fb7aa 313 pr_err("Allocated I/O size too small\n");
4689ced9
PC		 314 err = -ENODEV;
315 goto err_out_disable;
316 }
317
318 if (pci_request_regions(pdev, DRV_NAME)) {
e02fb7aa 319 pr_err("Failed to request PCI regions\n");
4689ced9
PC		 320 err = -ENODEV;
321 goto err_out_disable;
322 }
323
4689ced9
PC		 324 /* Init system & device */
325 db = netdev_priv(dev);
326
327 /* Allocate Tx/Rx descriptor memory */
328 db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
945a7876
PC		 329 if(db->desc_pool_ptr == NULL)
330 {
331 err = -ENOMEM;
332 goto err_out_nomem;
333 }
4689ced9 334 db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
945a7876
PC		 335 if(db->buf_pool_ptr == NULL)
336 {
337 err = -ENOMEM;
338 goto err_out_nomem;
339 }
f3b197ac 340
4689ced9
PC		 341 db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;
342 db->first_tx_desc_dma = db->desc_pool_dma_ptr;
343 db->buf_pool_start = db->buf_pool_ptr;
344 db->buf_pool_dma_start = db->buf_pool_dma_ptr;
345
346 db->chip_id = ent->driver_data;
347 db->ioaddr = pci_resource_start(pdev, 0);
f3b197ac 348
4689ced9
PC		 349 db->pdev = pdev;
350 db->init = 1;
f3b197ac 351
4689ced9
PC		 352 dev->base_addr = db->ioaddr;
353 dev->irq = pdev->irq;
354 pci_set_drvdata(pdev, dev);
f3b197ac 355
4689ced9 356 /* Register some necessary functions */
dfefe02b 357 dev->netdev_ops = &netdev_ops;
4689ced9 358 dev->ethtool_ops = &netdev_ethtool_ops;
dfefe02b 359
4689ced9
PC		 360 spin_lock_init(&db->lock);
361
f3b197ac 362
4689ced9
PC		 363 /* read 64 word srom data */
364 for (i = 0; i < 64; i++)
c559a5bc 365 ((__le16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i));
4689ced9
PC		 366
367 /* Set Node address */
945a7876 368 if(((u16 *) db->srom)[0] == 0xffff || ((u16 *) db->srom)[0] == 0) /* SROM absent, so read MAC address from ID Table */
4689ced9
PC		 369 {
370 outl(0x10000, db->ioaddr + DCR0); //Diagnosis mode
371 outl(0x1c0, db->ioaddr + DCR13); //Reset dianostic pointer port
372 outl(0, db->ioaddr + DCR14); //Clear reset port
373 outl(0x10, db->ioaddr + DCR14); //Reset ID Table pointer
374 outl(0, db->ioaddr + DCR14); //Clear reset port
375 outl(0, db->ioaddr + DCR13); //Clear CR13
376 outl(0x1b0, db->ioaddr + DCR13); //Select ID Table access port
377 //Read MAC address from CR14
378 for (i = 0; i < 6; i++)
379 dev->dev_addr[i] = inl(db->ioaddr + DCR14);
380 //Read end
381 outl(0, db->ioaddr + DCR13); //Clear CR13
382 outl(0, db->ioaddr + DCR0); //Clear CR0
383 udelay(10);
384 }
385 else /*Exist SROM*/
386 {
387 for (i = 0; i < 6; i++)
388 dev->dev_addr[i] = db->srom[20 + i];
389 }
390 err = register_netdev (dev);
391 if (err)
392 goto err_out_res;
393
e02fb7aa
JP		 394 dev_info(&dev->dev, "ULi M%04lx at pci%s, %pM, irq %d\n",
395 ent->driver_data >> 16, pci_name(pdev),
396 dev->dev_addr, dev->irq);
4689ced9
PC		 397
398 pci_set_master(pdev);
399
400 return 0;
401
402err_out_res:
403 pci_release_regions(pdev);
945a7876
PC		 404err_out_nomem:
405 if(db->desc_pool_ptr)
406 pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,
407 db->desc_pool_ptr, db->desc_pool_dma_ptr);
f3b197ac 408
945a7876
PC		 409 if(db->buf_pool_ptr != NULL)
410 pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
411 db->buf_pool_ptr, db->buf_pool_dma_ptr);
4689ced9
PC		 412err_out_disable:
413 pci_disable_device(pdev);
414err_out_free:
415 pci_set_drvdata(pdev, NULL);
416 free_netdev(dev);
417
418 return err;
419}
420
421
422static void __devexit uli526x_remove_one (struct pci_dev *pdev)
423{
424 struct net_device *dev = pci_get_drvdata(pdev);
425 struct uli526x_board_info *db = netdev_priv(dev);
426
427 ULI526X_DBUG(0, "uli526x_remove_one()", 0);
428
945a7876
PC		 429 pci_free_consistent(db->pdev, sizeof(struct tx_desc) *
430 DESC_ALL_CNT + 0x20, db->desc_pool_ptr,
431 db->desc_pool_dma_ptr);
432 pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
433 db->buf_pool_ptr, db->buf_pool_dma_ptr);
434 unregister_netdev(dev);
435 pci_release_regions(pdev);
436 free_netdev(dev); /* free board information */
437 pci_set_drvdata(pdev, NULL);
438 pci_disable_device(pdev);
4689ced9
PC		 439 ULI526X_DBUG(0, "uli526x_remove_one() exit", 0);
440}
441
442
443/*
444 * Open the interface.
945a7876 445 * The interface is opened whenever "ifconfig" activates it.
4689ced9
PC		 446 */
447
945a7876 448static int uli526x_open(struct net_device *dev)
4689ced9
PC		 449{
450 int ret;
451 struct uli526x_board_info *db = netdev_priv(dev);
f3b197ac 452
4689ced9
PC		 453 ULI526X_DBUG(0, "uli526x_open", 0);
454
4689ced9
PC		 455 /* system variable init */
456 db->cr6_data = CR6_DEFAULT | uli526x_cr6_user_set;
4689ced9
PC		 457 db->tx_packet_cnt = 0;
458 db->rx_avail_cnt = 0;
459 db->link_failed = 1;
460 netif_carrier_off(dev);
461 db->wait_reset = 0;
462
463 db->NIC_capability = 0xf; /* All capability*/
464 db->PHY_reg4 = 0x1e0;
465
466 /* CR6 operation mode decision */
467 db->cr6_data |= ULI526X_TXTH_256;
468 db->cr0_data = CR0_DEFAULT;
f3b197ac 469
945a7876 470 /* Initialize ULI526X board */
4689ced9
PC		 471 uli526x_init(dev);
472
a0607fd3 473 ret = request_irq(dev->irq, uli526x_interrupt, IRQF_SHARED, dev->name, dev);
afd8e399
AV		 474 if (ret)
475 return ret;
476
4689ced9
PC		 477 /* Active System Interface */
478 netif_wake_queue(dev);
479
480 /* set and active a timer process */
481 init_timer(&db->timer);
482 db->timer.expires = ULI526X_TIMER_WUT + HZ * 2;
483 db->timer.data = (unsigned long)dev;
484 db->timer.function = &uli526x_timer;
485 add_timer(&db->timer);
486
487 return 0;
488}
489
490
945a7876 491/* Initialize ULI526X board
4689ced9 492 * Reset ULI526X board
945a7876 493 * Initialize TX/Rx descriptor chain structure
4689ced9
PC		 494 * Send the set-up frame
495 * Enable Tx/Rx machine
496 */
497
945a7876 498static void uli526x_init(struct net_device *dev)
4689ced9
PC		 499{
500 struct uli526x_board_info *db = netdev_priv(dev);
501 unsigned long ioaddr = db->ioaddr;
502 u8 phy_tmp;
7a7d23da 503 u8 timeout;
4689ced9
PC		 504 u16 phy_value;
505 u16 phy_reg_reset;
506
7a7d23da 507
4689ced9
PC		 508 ULI526X_DBUG(0, "uli526x_init()", 0);
509
510 /* Reset M526x MAC controller */
511 outl(ULI526X_RESET, ioaddr + DCR0); /* RESET MAC */
512 udelay(100);
513 outl(db->cr0_data, ioaddr + DCR0);
514 udelay(5);
515
516 /* Phy addr : In some boards,M5261/M5263 phy address != 1 */
517 db->phy_addr = 1;
518 for(phy_tmp=0;phy_tmp<32;phy_tmp++)
519 {
520 phy_value=phy_read(db->ioaddr,phy_tmp,3,db->chip_id);//peer add
521 if(phy_value != 0xffff&&phy_value!=0)
522 {
523 db->phy_addr = phy_tmp;
524 break;
525 }
526 }
527 if(phy_tmp == 32)
e02fb7aa 528 pr_warning("Can not find the phy address!!!");
4689ced9
PC		 529 /* Parser SROM and media mode */
530 db->media_mode = uli526x_media_mode;
531
7a7d23da 532 /* phyxcer capability setting */
4689ced9
PC		 533 phy_reg_reset = phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id);
534 phy_reg_reset = (phy_reg_reset | 0x8000);
535 phy_write(db->ioaddr, db->phy_addr, 0, phy_reg_reset, db->chip_id);
7a7d23da
GG		 536
537 /* See IEEE 802.3-2002.pdf (Section 2, Chapter "22.2.4 Management
538 * functions") or phy data sheet for details on phy reset
539 */
4689ced9 540 udelay(500);
7a7d23da
GG		 541 timeout = 10;
542 while (timeout-- &&
543 phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id) & 0x8000)
544 udelay(100);
4689ced9
PC		 545
546 /* Process Phyxcer Media Mode */
547 uli526x_set_phyxcer(db);
548
549 /* Media Mode Process */
550 if ( !(db->media_mode & ULI526X_AUTO) )
551 db->op_mode = db->media_mode; /* Force Mode */
552
945a7876 553 /* Initialize Transmit/Receive decriptor and CR3/4 */
4689ced9
PC		 554 uli526x_descriptor_init(db, ioaddr);
555
556 /* Init CR6 to program M526X operation */
557 update_cr6(db->cr6_data, ioaddr);
558
559 /* Send setup frame */
560 send_filter_frame(dev, dev->mc_count); /* M5261/M5263 */
561
562 /* Init CR7, interrupt active bit */
563 db->cr7_data = CR7_DEFAULT;
564 outl(db->cr7_data, ioaddr + DCR7);
565
566 /* Init CR15, Tx jabber and Rx watchdog timer */
567 outl(db->cr15_data, ioaddr + DCR15);
568
569 /* Enable ULI526X Tx/Rx function */
570 db->cr6_data |= CR6_RXSC | CR6_TXSC;
571 update_cr6(db->cr6_data, ioaddr);
572}
573
574
575/*
576 * Hardware start transmission.
577 * Send a packet to media from the upper layer.
578 */
579
ad096463
SH		 580static netdev_tx_t uli526x_start_xmit(struct sk_buff *skb,
581 struct net_device *dev)
4689ced9
PC		 582{
583 struct uli526x_board_info *db = netdev_priv(dev);
584 struct tx_desc *txptr;
585 unsigned long flags;
586
587 ULI526X_DBUG(0, "uli526x_start_xmit", 0);
588
589 /* Resource flag check */
590 netif_stop_queue(dev);
591
592 /* Too large packet check */
593 if (skb->len > MAX_PACKET_SIZE) {
e02fb7aa 594 pr_err("big packet = %d\n", (u16)skb->len);
4689ced9 595 dev_kfree_skb(skb);
6ed10654 596 return NETDEV_TX_OK;
4689ced9
PC		 597 }
598
599 spin_lock_irqsave(&db->lock, flags);
600
601 /* No Tx resource check, it never happen nromally */
602 if (db->tx_packet_cnt >= TX_FREE_DESC_CNT) {
603 spin_unlock_irqrestore(&db->lock, flags);
e02fb7aa 604 pr_err("No Tx resource %ld\n", db->tx_packet_cnt);
5b548140 605 return NETDEV_TX_BUSY;
4689ced9
PC		 606 }
607
608 /* Disable NIC interrupt */
609 outl(0, dev->base_addr + DCR7);
610
611 /* transmit this packet */
612 txptr = db->tx_insert_ptr;
d626f62b 613 skb_copy_from_linear_data(skb, txptr->tx_buf_ptr, skb->len);
4689ced9
PC		 614 txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len);
615
616 /* Point to next transmit free descriptor */
617 db->tx_insert_ptr = txptr->next_tx_desc;
618
619 /* Transmit Packet Process */
620 if ( (db->tx_packet_cnt < TX_DESC_CNT) ) {
621 txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */
622 db->tx_packet_cnt++; /* Ready to send */
623 outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
624 dev->trans_start = jiffies; /* saved time stamp */
625 }
626
627 /* Tx resource check */
628 if ( db->tx_packet_cnt < TX_FREE_DESC_CNT )
629 netif_wake_queue(dev);
630
631 /* Restore CR7 to enable interrupt */
632 spin_unlock_irqrestore(&db->lock, flags);
633 outl(db->cr7_data, dev->base_addr + DCR7);
f3b197ac 634
4689ced9
PC		 635 /* free this SKB */
636 dev_kfree_skb(skb);
637
6ed10654 638 return NETDEV_TX_OK;
4689ced9
PC		 639}
640
641
642/*
643 * Stop the interface.
644 * The interface is stopped when it is brought.
645 */
646
945a7876 647static int uli526x_stop(struct net_device *dev)
4689ced9
PC		 648{
649 struct uli526x_board_info *db = netdev_priv(dev);
650 unsigned long ioaddr = dev->base_addr;
651
652 ULI526X_DBUG(0, "uli526x_stop", 0);
653
654 /* disable system */
655 netif_stop_queue(dev);
656
657 /* deleted timer */
658 del_timer_sync(&db->timer);
659
660 /* Reset & stop ULI526X board */
661 outl(ULI526X_RESET, ioaddr + DCR0);
662 udelay(5);
663 phy_write(db->ioaddr, db->phy_addr, 0, 0x8000, db->chip_id);
664
665 /* free interrupt */
666 free_irq(dev->irq, dev);
667
668 /* free allocated rx buffer */
669 uli526x_free_rxbuffer(db);
670
671#if 0
672 /* show statistic counter */
673 printk(DRV_NAME ": FU:%lx EC:%lx LC:%lx NC:%lx LOC:%lx TXJT:%lx RESET:%lx RCR8:%lx FAL:%lx TT:%lx\n",
674 db->tx_fifo_underrun, db->tx_excessive_collision,
675 db->tx_late_collision, db->tx_no_carrier, db->tx_loss_carrier,
676 db->tx_jabber_timeout, db->reset_count, db->reset_cr8,
677 db->reset_fatal, db->reset_TXtimeout);
678#endif
679
680 return 0;
681}
682
683
684/*
685 * M5261/M5263 insterrupt handler
686 * receive the packet to upper layer, free the transmitted packet
687 */
688
7d12e780 689static irqreturn_t uli526x_interrupt(int irq, void *dev_id)
4689ced9 690{
945a7876 691 struct net_device *dev = dev_id;
4689ced9
PC		 692 struct uli526x_board_info *db = netdev_priv(dev);
693 unsigned long ioaddr = dev->base_addr;
694 unsigned long flags;
695
4689ced9
PC		 696 spin_lock_irqsave(&db->lock, flags);
697 outl(0, ioaddr + DCR7);
698
699 /* Got ULI526X status */
700 db->cr5_data = inl(ioaddr + DCR5);
701 outl(db->cr5_data, ioaddr + DCR5);
702 if ( !(db->cr5_data & 0x180c1) ) {
7fa0cba3 703 /* Restore CR7 to enable interrupt mask */
4689ced9 704 outl(db->cr7_data, ioaddr + DCR7);
7fa0cba3 705 spin_unlock_irqrestore(&db->lock, flags);
4689ced9
PC		 706 return IRQ_HANDLED;
707 }
708
4689ced9
PC		 709 /* Check system status */
710 if (db->cr5_data & 0x2000) {
711 /* system bus error happen */
712 ULI526X_DBUG(1, "System bus error happen. CR5=", db->cr5_data);
713 db->reset_fatal++;
714 db->wait_reset = 1; /* Need to RESET */
715 spin_unlock_irqrestore(&db->lock, flags);
716 return IRQ_HANDLED;
717 }
718
719 /* Received the coming packet */
720 if ( (db->cr5_data & 0x40) && db->rx_avail_cnt )
721 uli526x_rx_packet(dev, db);
722
723 /* reallocate rx descriptor buffer */
724 if (db->rx_avail_cnt<RX_DESC_CNT)
725 allocate_rx_buffer(db);
726
727 /* Free the transmitted descriptor */
728 if ( db->cr5_data & 0x01)
729 uli526x_free_tx_pkt(dev, db);
730
731 /* Restore CR7 to enable interrupt mask */
732 outl(db->cr7_data, ioaddr + DCR7);
733
734 spin_unlock_irqrestore(&db->lock, flags);
735 return IRQ_HANDLED;
736}
737
7fa0cba3
AV		 738#ifdef CONFIG_NET_POLL_CONTROLLER
739static void uli526x_poll(struct net_device *dev)
740{
741 /* ISR grabs the irqsave lock, so this should be safe */
742 uli526x_interrupt(dev->irq, dev);
743}
744#endif
4689ced9
PC		 745
746/*
747 * Free TX resource after TX complete
748 */
749
dfefe02b
SH		 750static void uli526x_free_tx_pkt(struct net_device *dev,
751 struct uli526x_board_info * db)
4689ced9
PC		 752{
753 struct tx_desc *txptr;
4689ced9
PC		 754 u32 tdes0;
755
756 txptr = db->tx_remove_ptr;
757 while(db->tx_packet_cnt) {
758 tdes0 = le32_to_cpu(txptr->tdes0);
759 /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */
760 if (tdes0 & 0x80000000)
761 break;
762
763 /* A packet sent completed */
764 db->tx_packet_cnt--;
dfefe02b 765 dev->stats.tx_packets++;
4689ced9
PC		 766
767 /* Transmit statistic counter */
768 if ( tdes0 != 0x7fffffff ) {
769 /* printk(DRV_NAME ": tdes0=%x\n", tdes0); */
dfefe02b
SH		 770 dev->stats.collisions += (tdes0 >> 3) & 0xf;
771 dev->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff;
4689ced9 772 if (tdes0 & TDES0_ERR_MASK) {
dfefe02b 773 dev->stats.tx_errors++;
4689ced9
PC		 774 if (tdes0 & 0x0002) { /* UnderRun */
775 db->tx_fifo_underrun++;
776 if ( !(db->cr6_data & CR6_SFT) ) {
777 db->cr6_data = db->cr6_data | CR6_SFT;
778 update_cr6(db->cr6_data, db->ioaddr);
779 }
780 }
781 if (tdes0 & 0x0100)
782 db->tx_excessive_collision++;
783 if (tdes0 & 0x0200)
784 db->tx_late_collision++;
785 if (tdes0 & 0x0400)
786 db->tx_no_carrier++;
787 if (tdes0 & 0x0800)
788 db->tx_loss_carrier++;
789 if (tdes0 & 0x4000)
790 db->tx_jabber_timeout++;
791 }
792 }
793
794 txptr = txptr->next_tx_desc;
795 }/* End of while */
796
797 /* Update TX remove pointer to next */
798 db->tx_remove_ptr = txptr;
799
800 /* Resource available check */
801 if ( db->tx_packet_cnt < TX_WAKE_DESC_CNT )
802 netif_wake_queue(dev); /* Active upper layer, send again */
803}
804
805
806/*
807 * Receive the come packet and pass to upper layer
808 */
809
945a7876 810static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info * db)
4689ced9
PC		 811{
812 struct rx_desc *rxptr;
813 struct sk_buff *skb;
814 int rxlen;
815 u32 rdes0;
f3b197ac 816
4689ced9
PC		 817 rxptr = db->rx_ready_ptr;
818
819 while(db->rx_avail_cnt) {
820 rdes0 = le32_to_cpu(rxptr->rdes0);
821 if (rdes0 & 0x80000000) /* packet owner check */
822 {
823 break;
824 }
825
826 db->rx_avail_cnt--;
827 db->interval_rx_cnt++;
828
829 pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
830 if ( (rdes0 & 0x300) != 0x300) {
831 /* A packet without First/Last flag */
832 /* reuse this SKB */
833 ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
834 uli526x_reuse_skb(db, rxptr->rx_skb_ptr);
835 } else {
836 /* A packet with First/Last flag */
837 rxlen = ( (rdes0 >> 16) & 0x3fff) - 4;
838
839 /* error summary bit check */
840 if (rdes0 & 0x8000) {
841 /* This is a error packet */
842 //printk(DRV_NAME ": rdes0: %lx\n", rdes0);
dfefe02b 843 dev->stats.rx_errors++;
4689ced9 844 if (rdes0 & 1)
dfefe02b 845 dev->stats.rx_fifo_errors++;
4689ced9 846 if (rdes0 & 2)
dfefe02b 847 dev->stats.rx_crc_errors++;
4689ced9 848 if (rdes0 & 0x80)
dfefe02b 849 dev->stats.rx_length_errors++;
4689ced9
PC		 850 }
851
852 if ( !(rdes0 & 0x8000) ||
853 ((db->cr6_data & CR6_PM) && (rxlen>6)) ) {
854 skb = rxptr->rx_skb_ptr;
f3b197ac 855
4689ced9
PC		 856 /* Good packet, send to upper layer */
857 /* Shorst packet used new SKB */
858 if ( (rxlen < RX_COPY_SIZE) &&
859 ( (skb = dev_alloc_skb(rxlen + 2) )
860 != NULL) ) {
861 /* size less than COPY_SIZE, allocate a rxlen SKB */
4689ced9 862 skb_reserve(skb, 2); /* 16byte align */
27a884dc
ACM		 863 memcpy(skb_put(skb, rxlen),
864 skb_tail_pointer(rxptr->rx_skb_ptr),
865 rxlen);
4689ced9 866 uli526x_reuse_skb(db, rxptr->rx_skb_ptr);
4c13eb66 867 } else
4689ced9 868 skb_put(skb, rxlen);
4c13eb66 869
4689ced9
PC		 870 skb->protocol = eth_type_trans(skb, dev);
871 netif_rx(skb);
dfefe02b
SH		 872 dev->stats.rx_packets++;
873 dev->stats.rx_bytes += rxlen;
f3b197ac 874
4689ced9
PC		 875 } else {
876 /* Reuse SKB buffer when the packet is error */
877 ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0);
878 uli526x_reuse_skb(db, rxptr->rx_skb_ptr);
879 }
880 }
881
882 rxptr = rxptr->next_rx_desc;
883 }
884
885 db->rx_ready_ptr = rxptr;
886}
887
888
4689ced9
PC		 889/*
890 * Set ULI526X multicast address
891 */
892
945a7876 893static void uli526x_set_filter_mode(struct net_device * dev)
4689ced9 894{
8f15ea42 895 struct uli526x_board_info *db = netdev_priv(dev);
4689ced9
PC		 896 unsigned long flags;
897
898 ULI526X_DBUG(0, "uli526x_set_filter_mode()", 0);
899 spin_lock_irqsave(&db->lock, flags);
900
901 if (dev->flags & IFF_PROMISC) {
902 ULI526X_DBUG(0, "Enable PROM Mode", 0);
903 db->cr6_data |= CR6_PM | CR6_PBF;
904 update_cr6(db->cr6_data, db->ioaddr);
905 spin_unlock_irqrestore(&db->lock, flags);
906 return;
907 }
908
909 if (dev->flags & IFF_ALLMULTI || dev->mc_count > ULI5261_MAX_MULTICAST) {
910 ULI526X_DBUG(0, "Pass all multicast address", dev->mc_count);
911 db->cr6_data &= ~(CR6_PM | CR6_PBF);
912 db->cr6_data |= CR6_PAM;
913 spin_unlock_irqrestore(&db->lock, flags);
914 return;
915 }
916
917 ULI526X_DBUG(0, "Set multicast address", dev->mc_count);
918 send_filter_frame(dev, dev->mc_count); /* M5261/M5263 */
919 spin_unlock_irqrestore(&db->lock, flags);
920}
921
922static void
923ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd)
924{
945a7876
PC		 925 ecmd->supported = (SUPPORTED_10baseT_Half |
926 SUPPORTED_10baseT_Full |
927 SUPPORTED_100baseT_Half |
928 SUPPORTED_100baseT_Full |
929 SUPPORTED_Autoneg |
930 SUPPORTED_MII);
f3b197ac 931
945a7876
PC		 932 ecmd->advertising = (ADVERTISED_10baseT_Half |
933 ADVERTISED_10baseT_Full |
934 ADVERTISED_100baseT_Half |
935 ADVERTISED_100baseT_Full |
936 ADVERTISED_Autoneg |
937 ADVERTISED_MII);
4689ced9
PC		 938
939
945a7876
PC		 940 ecmd->port = PORT_MII;
941 ecmd->phy_address = db->phy_addr;
4689ced9 942
945a7876 943 ecmd->transceiver = XCVR_EXTERNAL;
f3b197ac 944
4689ced9
PC		 945 ecmd->speed = 10;
946 ecmd->duplex = DUPLEX_HALF;
f3b197ac 947
4689ced9
PC		 948 if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD)
949 {
f3b197ac 950 ecmd->speed = 100;
4689ced9
PC		 951 }
952 if(db->op_mode==ULI526X_10MFD || db->op_mode==ULI526X_100MFD)
953 {
954 ecmd->duplex = DUPLEX_FULL;
955 }
956 if(db->link_failed)
957 {
958 ecmd->speed = -1;
f3b197ac 959 ecmd->duplex = -1;
4689ced9 960 }
f3b197ac 961
4689ced9 962 if (db->media_mode & ULI526X_AUTO)
f3b197ac 963 {
4689ced9
PC		 964 ecmd->autoneg = AUTONEG_ENABLE;
965 }
4689ced9
PC		 966}
967
968static void netdev_get_drvinfo(struct net_device *dev,
969 struct ethtool_drvinfo *info)
970{
971 struct uli526x_board_info *np = netdev_priv(dev);
972
973 strcpy(info->driver, DRV_NAME);
974 strcpy(info->version, DRV_VERSION);
975 if (np->pdev)
976 strcpy(info->bus_info, pci_name(np->pdev));
977 else
978 sprintf(info->bus_info, "EISA 0x%lx %d",
979 dev->base_addr, dev->irq);
980}
981
982static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) {
983 struct uli526x_board_info *np = netdev_priv(dev);
f3b197ac 984
4689ced9 985 ULi_ethtool_gset(np, cmd);
f3b197ac 986
4689ced9
PC		 987 return 0;
988}
989
990static u32 netdev_get_link(struct net_device *dev) {
991 struct uli526x_board_info *np = netdev_priv(dev);
f3b197ac 992
4689ced9
PC		 993 if(np->link_failed)
994 return 0;
995 else
996 return 1;
997}
998
999static void uli526x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1000{
1001 wol->supported = WAKE_PHY | WAKE_MAGIC;
1002 wol->wolopts = 0;
1003}
1004
7282d491 1005static const struct ethtool_ops netdev_ethtool_ops = {
4689ced9
PC		 1006 .get_drvinfo = netdev_get_drvinfo,
1007 .get_settings = netdev_get_settings,
1008 .get_link = netdev_get_link,
1009 .get_wol = uli526x_get_wol,
1010};
1011
1012/*
1013 * A periodic timer routine
1014 * Dynamic media sense, allocate Rx buffer...
1015 */
1016
1017static void uli526x_timer(unsigned long data)
1018{
1019 u32 tmp_cr8;
1020 unsigned char tmp_cr12=0;
945a7876 1021 struct net_device *dev = (struct net_device *) data;
4689ced9
PC		 1022 struct uli526x_board_info *db = netdev_priv(dev);
1023 unsigned long flags;
1024 u8 TmpSpeed=10;
f3b197ac 1025
4689ced9
PC		 1026 //ULI526X_DBUG(0, "uli526x_timer()", 0);
1027 spin_lock_irqsave(&db->lock, flags);
1028
f3b197ac 1029
4689ced9
PC		 1030 /* Dynamic reset ULI526X : system error or transmit time-out */
1031 tmp_cr8 = inl(db->ioaddr + DCR8);
1032 if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) {
1033 db->reset_cr8++;
1034 db->wait_reset = 1;
1035 }
1036 db->interval_rx_cnt = 0;
1037
1038 /* TX polling kick monitor */
1039 if ( db->tx_packet_cnt &&
1040 time_after(jiffies, dev->trans_start + ULI526X_TX_KICK) ) {
f3b197ac 1041 outl(0x1, dev->base_addr + DCR1); // Tx polling again
4689ced9 1042
f3b197ac 1043 // TX Timeout
4689ced9
PC		 1044 if ( time_after(jiffies, dev->trans_start + ULI526X_TX_TIMEOUT) ) {
1045 db->reset_TXtimeout++;
1046 db->wait_reset = 1;
1047 printk( "%s: Tx timeout - resetting\n",
1048 dev->name);
1049 }
1050 }
1051
1052 if (db->wait_reset) {
1053 ULI526X_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt);
1054 db->reset_count++;
1055 uli526x_dynamic_reset(dev);
1056 db->timer.expires = ULI526X_TIMER_WUT;
1057 add_timer(&db->timer);
1058 spin_unlock_irqrestore(&db->lock, flags);
1059 return;
1060 }
1061
1062 /* Link status check, Dynamic media type change */
1063 if((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)!=0)
1064 tmp_cr12 = 3;
1065
1066 if ( !(tmp_cr12 & 0x3) && !db->link_failed ) {
1067 /* Link Failed */
1068 ULI526X_DBUG(0, "Link Failed", tmp_cr12);
1069 netif_carrier_off(dev);
e02fb7aa 1070 pr_info("%s NIC Link is Down\n",dev->name);
4689ced9
PC		 1071 db->link_failed = 1;
1072
1073 /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */
1074 /* AUTO don't need */
1075 if ( !(db->media_mode & 0x8) )
1076 phy_write(db->ioaddr, db->phy_addr, 0, 0x1000, db->chip_id);
1077
1078 /* AUTO mode, if INT phyxcer link failed, select EXT device */
1079 if (db->media_mode & ULI526X_AUTO) {
1080 db->cr6_data&=~0x00000200; /* bit9=0, HD mode */
1081 update_cr6(db->cr6_data, db->ioaddr);
1082 }
1083 } else
1084 if ((tmp_cr12 & 0x3) && db->link_failed) {
1085 ULI526X_DBUG(0, "Link link OK", tmp_cr12);
1086 db->link_failed = 0;
1087
1088 /* Auto Sense Speed */
1089 if ( (db->media_mode & ULI526X_AUTO) &&
1090 uli526x_sense_speed(db) )
1091 db->link_failed = 1;
1092 uli526x_process_mode(db);
f3b197ac 1093
4689ced9
PC		 1094 if(db->link_failed==0)
1095 {
1096 if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD)
1097 {
1098 TmpSpeed = 100;
1099 }
1100 if(db->op_mode==ULI526X_10MFD || db->op_mode==ULI526X_100MFD)
1101 {
e02fb7aa 1102 pr_info("%s NIC Link is Up %d Mbps Full duplex\n",dev->name,TmpSpeed);
4689ced9
PC		 1103 }
1104 else
1105 {
e02fb7aa 1106 pr_info("%s NIC Link is Up %d Mbps Half duplex\n",dev->name,TmpSpeed);
4689ced9
PC		 1107 }
1108 netif_carrier_on(dev);
1109 }
1110 /* SHOW_MEDIA_TYPE(db->op_mode); */
1111 }
1112 else if(!(tmp_cr12 & 0x3) && db->link_failed)
1113 {
1114 if(db->init==1)
1115 {
e02fb7aa 1116 pr_info("%s NIC Link is Down\n",dev->name);
4689ced9
PC		 1117 netif_carrier_off(dev);
1118 }
1119 }
1120 db->init=0;
1121
1122 /* Timer active again */
1123 db->timer.expires = ULI526X_TIMER_WUT;
1124 add_timer(&db->timer);
1125 spin_unlock_irqrestore(&db->lock, flags);
1126}
1127
1128
1129/*
4689ced9
PC		 1130 * Stop ULI526X board
1131 * Free Tx/Rx allocated memory
b6aec32a 1132 * Init system variable
4689ced9
PC		 1133 */
1134
b6aec32a 1135static void uli526x_reset_prepare(struct net_device *dev)
4689ced9
PC		 1136{
1137 struct uli526x_board_info *db = netdev_priv(dev);
1138
4689ced9
PC		 1139 /* Sopt MAC controller */
1140 db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */
1141 update_cr6(db->cr6_data, dev->base_addr);
1142 outl(0, dev->base_addr + DCR7); /* Disable Interrupt */
1143 outl(inl(dev->base_addr + DCR5), dev->base_addr + DCR5);
1144
1145 /* Disable upper layer interface */
1146 netif_stop_queue(dev);
1147
1148 /* Free Rx Allocate buffer */
1149 uli526x_free_rxbuffer(db);
1150
1151 /* system variable init */
1152 db->tx_packet_cnt = 0;
1153 db->rx_avail_cnt = 0;
1154 db->link_failed = 1;
1155 db->init=1;
1156 db->wait_reset = 0;
b6aec32a
RW		 1157}
1158
1159
1160/*
1161 * Dynamic reset the ULI526X board
1162 * Stop ULI526X board
1163 * Free Tx/Rx allocated memory
1164 * Reset ULI526X board
1165 * Re-initialize ULI526X board
1166 */
1167
1168static void uli526x_dynamic_reset(struct net_device *dev)
1169{
1170 ULI526X_DBUG(0, "uli526x_dynamic_reset()", 0);
1171
1172 uli526x_reset_prepare(dev);
4689ced9 1173
945a7876 1174 /* Re-initialize ULI526X board */
4689ced9
PC		 1175 uli526x_init(dev);
1176
1177 /* Restart upper layer interface */
1178 netif_wake_queue(dev);
1179}
1180
1181
b6aec32a
RW		 1182#ifdef CONFIG_PM
1183
1184/*
1185 * Suspend the interface.
1186 */
1187
1188static int uli526x_suspend(struct pci_dev *pdev, pm_message_t state)
1189{
1190 struct net_device *dev = pci_get_drvdata(pdev);
1191 pci_power_t power_state;
1192 int err;
1193
1194 ULI526X_DBUG(0, "uli526x_suspend", 0);
1195
1196 if (!netdev_priv(dev))
1197 return 0;
1198
1199 pci_save_state(pdev);
1200
1201 if (!netif_running(dev))
1202 return 0;
1203
1204 netif_device_detach(dev);
1205 uli526x_reset_prepare(dev);
1206
1207 power_state = pci_choose_state(pdev, state);
1208 pci_enable_wake(pdev, power_state, 0);
1209 err = pci_set_power_state(pdev, power_state);
1210 if (err) {
1211 netif_device_attach(dev);
1212 /* Re-initialize ULI526X board */
1213 uli526x_init(dev);
1214 /* Restart upper layer interface */
1215 netif_wake_queue(dev);
1216 }
1217
1218 return err;
1219}
1220
1221/*
1222 * Resume the interface.
1223 */
1224
1225static int uli526x_resume(struct pci_dev *pdev)
1226{
1227 struct net_device *dev = pci_get_drvdata(pdev);
1228 int err;
1229
1230 ULI526X_DBUG(0, "uli526x_resume", 0);
1231
1232 if (!netdev_priv(dev))
1233 return 0;
1234
1235 pci_restore_state(pdev);
1236
1237 if (!netif_running(dev))
1238 return 0;
1239
1240 err = pci_set_power_state(pdev, PCI_D0);
1241 if (err) {
e02fb7aa 1242 dev_warn(&dev->dev, "Could not put device into D0\n");
b6aec32a
RW		 1243 return err;
1244 }
1245
1246 netif_device_attach(dev);
1247 /* Re-initialize ULI526X board */
1248 uli526x_init(dev);
1249 /* Restart upper layer interface */
1250 netif_wake_queue(dev);
1251
1252 return 0;
1253}
1254
1255#else /* !CONFIG_PM */
1256
1257#define uli526x_suspend NULL
1258#define uli526x_resume NULL
1259
1260#endif /* !CONFIG_PM */
1261
1262
4689ced9
PC		 1263/*
1264 * free all allocated rx buffer
1265 */
1266
1267static void uli526x_free_rxbuffer(struct uli526x_board_info * db)
1268{
1269 ULI526X_DBUG(0, "uli526x_free_rxbuffer()", 0);
1270
1271 /* free allocated rx buffer */
1272 while (db->rx_avail_cnt) {
1273 dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr);
1274 db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc;
1275 db->rx_avail_cnt--;
1276 }
1277}
1278
1279
1280/*
1281 * Reuse the SK buffer
1282 */
1283
1284static void uli526x_reuse_skb(struct uli526x_board_info *db, struct sk_buff * skb)
1285{
1286 struct rx_desc *rxptr = db->rx_insert_ptr;
1287
1288 if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) {
1289 rxptr->rx_skb_ptr = skb;
27a884dc
ACM		 1290 rxptr->rdes2 = cpu_to_le32(pci_map_single(db->pdev,
1291 skb_tail_pointer(skb),
1292 RX_ALLOC_SIZE,
1293 PCI_DMA_FROMDEVICE));
4689ced9
PC		 1294 wmb();
1295 rxptr->rdes0 = cpu_to_le32(0x80000000);
1296 db->rx_avail_cnt++;
1297 db->rx_insert_ptr = rxptr->next_rx_desc;
1298 } else
1299 ULI526X_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt);
1300}
1301
1302
1303/*
1304 * Initialize transmit/Receive descriptor
1305 * Using Chain structure, and allocate Tx/Rx buffer
1306 */
1307
1308static void uli526x_descriptor_init(struct uli526x_board_info *db, unsigned long ioaddr)
1309{
1310 struct tx_desc *tmp_tx;
1311 struct rx_desc *tmp_rx;
1312 unsigned char *tmp_buf;
1313 dma_addr_t tmp_tx_dma, tmp_rx_dma;
1314 dma_addr_t tmp_buf_dma;
1315 int i;
1316
1317 ULI526X_DBUG(0, "uli526x_descriptor_init()", 0);
1318
1319 /* tx descriptor start pointer */
1320 db->tx_insert_ptr = db->first_tx_desc;
1321 db->tx_remove_ptr = db->first_tx_desc;
1322 outl(db->first_tx_desc_dma, ioaddr + DCR4); /* TX DESC address */
1323
1324 /* rx descriptor start pointer */
1325 db->first_rx_desc = (void *)db->first_tx_desc + sizeof(struct tx_desc) * TX_DESC_CNT;
1326 db->first_rx_desc_dma = db->first_tx_desc_dma + sizeof(struct tx_desc) * TX_DESC_CNT;
1327 db->rx_insert_ptr = db->first_rx_desc;
1328 db->rx_ready_ptr = db->first_rx_desc;
1329 outl(db->first_rx_desc_dma, ioaddr + DCR3); /* RX DESC address */
1330
1331 /* Init Transmit chain */
1332 tmp_buf = db->buf_pool_start;
1333 tmp_buf_dma = db->buf_pool_dma_start;
1334 tmp_tx_dma = db->first_tx_desc_dma;
1335 for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) {
1336 tmp_tx->tx_buf_ptr = tmp_buf;
1337 tmp_tx->tdes0 = cpu_to_le32(0);
1338 tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */
1339 tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma);
1340 tmp_tx_dma += sizeof(struct tx_desc);
1341 tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma);
1342 tmp_tx->next_tx_desc = tmp_tx + 1;
1343 tmp_buf = tmp_buf + TX_BUF_ALLOC;
1344 tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC;
1345 }
1346 (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma);
1347 tmp_tx->next_tx_desc = db->first_tx_desc;
1348
1349 /* Init Receive descriptor chain */
1350 tmp_rx_dma=db->first_rx_desc_dma;
1351 for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) {
1352 tmp_rx->rdes0 = cpu_to_le32(0);
1353 tmp_rx->rdes1 = cpu_to_le32(0x01000600);
1354 tmp_rx_dma += sizeof(struct rx_desc);
1355 tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma);
1356 tmp_rx->next_rx_desc = tmp_rx + 1;
1357 }
1358 (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma);
1359 tmp_rx->next_rx_desc = db->first_rx_desc;
1360
1361 /* pre-allocate Rx buffer */
1362 allocate_rx_buffer(db);
1363}
1364
1365
1366/*
1367 * Update CR6 value
945a7876 1368 * Firstly stop ULI526X, then written value and start
4689ced9
PC		 1369 */
1370
1371static void update_cr6(u32 cr6_data, unsigned long ioaddr)
1372{
1373
1374 outl(cr6_data, ioaddr + DCR6);
1375 udelay(5);
1376}
1377
1378
1379/*
1380 * Send a setup frame for M5261/M5263
945a7876 1381 * This setup frame initialize ULI526X address filter mode
4689ced9
PC		 1382 */
1383
e284e5c6
AV		 1384#ifdef __BIG_ENDIAN
1385#define FLT_SHIFT 16
1386#else
1387#define FLT_SHIFT 0
1388#endif
1389
945a7876 1390static void send_filter_frame(struct net_device *dev, int mc_cnt)
4689ced9
PC		 1391{
1392 struct uli526x_board_info *db = netdev_priv(dev);
1393 struct dev_mc_list *mcptr;
1394 struct tx_desc *txptr;
1395 u16 * addrptr;
1396 u32 * suptr;
1397 int i;
1398
1399 ULI526X_DBUG(0, "send_filter_frame()", 0);
1400
1401 txptr = db->tx_insert_ptr;
1402 suptr = (u32 *) txptr->tx_buf_ptr;
1403
1404 /* Node address */
1405 addrptr = (u16 *) dev->dev_addr;
e284e5c6
AV		 1406 *suptr++ = addrptr[0] << FLT_SHIFT;
1407 *suptr++ = addrptr[1] << FLT_SHIFT;
1408 *suptr++ = addrptr[2] << FLT_SHIFT;
4689ced9
PC		 1409
1410 /* broadcast address */
e284e5c6
AV		 1411 *suptr++ = 0xffff << FLT_SHIFT;
1412 *suptr++ = 0xffff << FLT_SHIFT;
1413 *suptr++ = 0xffff << FLT_SHIFT;
4689ced9
PC		 1414
1415 /* fit the multicast address */
1416 for (mcptr = dev->mc_list, i = 0; i < mc_cnt; i++, mcptr = mcptr->next) {
1417 addrptr = (u16 *) mcptr->dmi_addr;
e284e5c6
AV		 1418 *suptr++ = addrptr[0] << FLT_SHIFT;
1419 *suptr++ = addrptr[1] << FLT_SHIFT;
1420 *suptr++ = addrptr[2] << FLT_SHIFT;
4689ced9
PC		 1421 }
1422
1423 for (; i<14; i++) {
e284e5c6
AV		 1424 *suptr++ = 0xffff << FLT_SHIFT;
1425 *suptr++ = 0xffff << FLT_SHIFT;
1426 *suptr++ = 0xffff << FLT_SHIFT;
4689ced9
PC		 1427 }
1428
1429 /* prepare the setup frame */
1430 db->tx_insert_ptr = txptr->next_tx_desc;
1431 txptr->tdes1 = cpu_to_le32(0x890000c0);
1432
1433 /* Resource Check and Send the setup packet */
1434 if (db->tx_packet_cnt < TX_DESC_CNT) {
1435 /* Resource Empty */
1436 db->tx_packet_cnt++;
1437 txptr->tdes0 = cpu_to_le32(0x80000000);
1438 update_cr6(db->cr6_data | 0x2000, dev->base_addr);
1439 outl(0x1, dev->base_addr + DCR1); /* Issue Tx polling */
1440 update_cr6(db->cr6_data, dev->base_addr);
1441 dev->trans_start = jiffies;
1442 } else
e02fb7aa 1443 pr_err("No Tx resource - Send_filter_frame!\n");
4689ced9
PC		 1444}
1445
1446
1447/*
1448 * Allocate rx buffer,
1449 * As possible as allocate maxiumn Rx buffer
1450 */
1451
1452static void allocate_rx_buffer(struct uli526x_board_info *db)
1453{
1454 struct rx_desc *rxptr;
1455 struct sk_buff *skb;
1456
1457 rxptr = db->rx_insert_ptr;
1458
1459 while(db->rx_avail_cnt < RX_DESC_CNT) {
1460 if ( ( skb = dev_alloc_skb(RX_ALLOC_SIZE) ) == NULL )
1461 break;
1462 rxptr->rx_skb_ptr = skb; /* FIXME (?) */
27a884dc
ACM		 1463 rxptr->rdes2 = cpu_to_le32(pci_map_single(db->pdev,
1464 skb_tail_pointer(skb),
1465 RX_ALLOC_SIZE,
1466 PCI_DMA_FROMDEVICE));
4689ced9
PC		 1467 wmb();
1468 rxptr->rdes0 = cpu_to_le32(0x80000000);
1469 rxptr = rxptr->next_rx_desc;
1470 db->rx_avail_cnt++;
1471 }
1472
1473 db->rx_insert_ptr = rxptr;
1474}
1475
1476
1477/*
1478 * Read one word data from the serial ROM
1479 */
1480
1481static u16 read_srom_word(long ioaddr, int offset)
1482{
1483 int i;
1484 u16 srom_data = 0;
1485 long cr9_ioaddr = ioaddr + DCR9;
1486
1487 outl(CR9_SROM_READ, cr9_ioaddr);
1488 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1489
1490 /* Send the Read Command 110b */
1491 SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
1492 SROM_CLK_WRITE(SROM_DATA_1, cr9_ioaddr);
1493 SROM_CLK_WRITE(SROM_DATA_0, cr9_ioaddr);
1494
1495 /* Send the offset */
1496 for (i = 5; i >= 0; i--) {
1497 srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0;
1498 SROM_CLK_WRITE(srom_data, cr9_ioaddr);
1499 }
1500
1501 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1502
1503 for (i = 16; i > 0; i--) {
1504 outl(CR9_SROM_READ | CR9_SRCS | CR9_SRCLK, cr9_ioaddr);
1505 udelay(5);
1506 srom_data = (srom_data << 1) | ((inl(cr9_ioaddr) & CR9_CRDOUT) ? 1 : 0);
1507 outl(CR9_SROM_READ | CR9_SRCS, cr9_ioaddr);
1508 udelay(5);
1509 }
1510
1511 outl(CR9_SROM_READ, cr9_ioaddr);
1512 return srom_data;
1513}
1514
1515
1516/*
1517 * Auto sense the media mode
1518 */
1519
1520static u8 uli526x_sense_speed(struct uli526x_board_info * db)
1521{
1522 u8 ErrFlag = 0;
1523 u16 phy_mode;
1524
1525 phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
1526 phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id);
1527
1528 if ( (phy_mode & 0x24) == 0x24 ) {
f3b197ac 1529
4689ced9
PC		 1530 phy_mode = ((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)<<7);
1531 if(phy_mode&0x8000)
1532 phy_mode = 0x8000;
1533 else if(phy_mode&0x4000)
1534 phy_mode = 0x4000;
1535 else if(phy_mode&0x2000)
1536 phy_mode = 0x2000;
1537 else
1538 phy_mode = 0x1000;
f3b197ac 1539
4689ced9
PC		 1540 /* printk(DRV_NAME ": Phy_mode %x ",phy_mode); */
1541 switch (phy_mode) {
1542 case 0x1000: db->op_mode = ULI526X_10MHF; break;
1543 case 0x2000: db->op_mode = ULI526X_10MFD; break;
1544 case 0x4000: db->op_mode = ULI526X_100MHF; break;
1545 case 0x8000: db->op_mode = ULI526X_100MFD; break;
1546 default: db->op_mode = ULI526X_10MHF; ErrFlag = 1; break;
1547 }
1548 } else {
1549 db->op_mode = ULI526X_10MHF;
1550 ULI526X_DBUG(0, "Link Failed :", phy_mode);
1551 ErrFlag = 1;
1552 }
1553
1554 return ErrFlag;
1555}
1556
1557
1558/*
1559 * Set 10/100 phyxcer capability
1560 * AUTO mode : phyxcer register4 is NIC capability
1561 * Force mode: phyxcer register4 is the force media
1562 */
1563
1564static void uli526x_set_phyxcer(struct uli526x_board_info *db)
1565{
1566 u16 phy_reg;
f3b197ac 1567
4689ced9
PC		 1568 /* Phyxcer capability setting */
1569 phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0;
1570
1571 if (db->media_mode & ULI526X_AUTO) {
1572 /* AUTO Mode */
1573 phy_reg |= db->PHY_reg4;
1574 } else {
1575 /* Force Mode */
1576 switch(db->media_mode) {
1577 case ULI526X_10MHF: phy_reg |= 0x20; break;
1578 case ULI526X_10MFD: phy_reg |= 0x40; break;
1579 case ULI526X_100MHF: phy_reg |= 0x80; break;
1580 case ULI526X_100MFD: phy_reg |= 0x100; break;
1581 }
f3b197ac 1582
4689ced9
PC		 1583 }
1584
1585 /* Write new capability to Phyxcer Reg4 */
1586 if ( !(phy_reg & 0x01e0)) {
1587 phy_reg|=db->PHY_reg4;
1588 db->media_mode|=ULI526X_AUTO;
1589 }
1590 phy_write(db->ioaddr, db->phy_addr, 4, phy_reg, db->chip_id);
1591
1592 /* Restart Auto-Negotiation */
1593 phy_write(db->ioaddr, db->phy_addr, 0, 0x1200, db->chip_id);
1594 udelay(50);
1595}
1596
1597
1598/*
1599 * Process op-mode
1600 AUTO mode : PHY controller in Auto-negotiation Mode
1601 * Force mode: PHY controller in force mode with HUB
1602 * N-way force capability with SWITCH
1603 */
1604
1605static void uli526x_process_mode(struct uli526x_board_info *db)
1606{
1607 u16 phy_reg;
1608
1609 /* Full Duplex Mode Check */
1610 if (db->op_mode & 0x4)
1611 db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */
1612 else
1613 db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */
1614
1615 update_cr6(db->cr6_data, db->ioaddr);
1616
1617 /* 10/100M phyxcer force mode need */
1618 if ( !(db->media_mode & 0x8)) {
1619 /* Forece Mode */
1620 phy_reg = phy_read(db->ioaddr, db->phy_addr, 6, db->chip_id);
1621 if ( !(phy_reg & 0x1) ) {
1622 /* parter without N-Way capability */
1623 phy_reg = 0x0;
1624 switch(db->op_mode) {
1625 case ULI526X_10MHF: phy_reg = 0x0; break;
1626 case ULI526X_10MFD: phy_reg = 0x100; break;
1627 case ULI526X_100MHF: phy_reg = 0x2000; break;
1628 case ULI526X_100MFD: phy_reg = 0x2100; break;
1629 }
1630 phy_write(db->ioaddr, db->phy_addr, 0, phy_reg, db->chip_id);
4689ced9
PC		 1631 }
1632 }
1633}
1634
1635
1636/*
1637 * Write a word to Phy register
1638 */
1639
1640static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data, u32 chip_id)
1641{
1642 u16 i;
1643 unsigned long ioaddr;
1644
1645 if(chip_id == PCI_ULI5263_ID)
1646 {
1647 phy_writeby_cr10(iobase, phy_addr, offset, phy_data);
1648 return;
1649 }
1650 /* M5261/M5263 Chip */
1651 ioaddr = iobase + DCR9;
1652
1653 /* Send 33 synchronization clock to Phy controller */
1654 for (i = 0; i < 35; i++)
1655 phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
1656
1657 /* Send start command(01) to Phy */
1658 phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
1659 phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
1660
1661 /* Send write command(01) to Phy */
1662 phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
1663 phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
1664
1665 /* Send Phy address */
1666 for (i = 0x10; i > 0; i = i >> 1)
1667 phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
1668
1669 /* Send register address */
1670 for (i = 0x10; i > 0; i = i >> 1)
1671 phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
1672
1673 /* written trasnition */
1674 phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
1675 phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
1676
1677 /* Write a word data to PHY controller */
1678 for ( i = 0x8000; i > 0; i >>= 1)
1679 phy_write_1bit(ioaddr, phy_data & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
f3b197ac 1680
4689ced9
PC		 1681}
1682
1683
1684/*
1685 * Read a word data from phy register
1686 */
1687
1688static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id)
1689{
1690 int i;
1691 u16 phy_data;
1692 unsigned long ioaddr;
1693
1694 if(chip_id == PCI_ULI5263_ID)
1695 return phy_readby_cr10(iobase, phy_addr, offset);
1696 /* M5261/M5263 Chip */
1697 ioaddr = iobase + DCR9;
f3b197ac 1698
4689ced9
PC		 1699 /* Send 33 synchronization clock to Phy controller */
1700 for (i = 0; i < 35; i++)
1701 phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
1702
1703 /* Send start command(01) to Phy */
1704 phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
1705 phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
1706
1707 /* Send read command(10) to Phy */
1708 phy_write_1bit(ioaddr, PHY_DATA_1, chip_id);
1709 phy_write_1bit(ioaddr, PHY_DATA_0, chip_id);
1710
1711 /* Send Phy address */
1712 for (i = 0x10; i > 0; i = i >> 1)
1713 phy_write_1bit(ioaddr, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
1714
1715 /* Send register address */
1716 for (i = 0x10; i > 0; i = i >> 1)
1717 phy_write_1bit(ioaddr, offset & i ? PHY_DATA_1 : PHY_DATA_0, chip_id);
1718
1719 /* Skip transition state */
1720 phy_read_1bit(ioaddr, chip_id);
1721
1722 /* read 16bit data */
1723 for (phy_data = 0, i = 0; i < 16; i++) {
1724 phy_data <<= 1;
1725 phy_data |= phy_read_1bit(ioaddr, chip_id);
1726 }
1727
1728 return phy_data;
1729}
1730
1731static u16 phy_readby_cr10(unsigned long iobase, u8 phy_addr, u8 offset)
1732{
1733 unsigned long ioaddr,cr10_value;
f3b197ac 1734
4689ced9
PC		 1735 ioaddr = iobase + DCR10;
1736 cr10_value = phy_addr;
1737 cr10_value = (cr10_value<<5) + offset;
1738 cr10_value = (cr10_value<<16) + 0x08000000;
1739 outl(cr10_value,ioaddr);
1740 udelay(1);
1741 while(1)
1742 {
1743 cr10_value = inl(ioaddr);
1744 if(cr10_value&0x10000000)
1745 break;
1746 }
1747 return (cr10_value&0x0ffff);
1748}
1749
1750static void phy_writeby_cr10(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data)
1751{
1752 unsigned long ioaddr,cr10_value;
f3b197ac 1753
4689ced9
PC		 1754 ioaddr = iobase + DCR10;
1755 cr10_value = phy_addr;
1756 cr10_value = (cr10_value<<5) + offset;
1757 cr10_value = (cr10_value<<16) + 0x04000000 + phy_data;
1758 outl(cr10_value,ioaddr);
1759 udelay(1);
1760}
1761/*
1762 * Write one bit data to Phy Controller
1763 */
1764
1765static void phy_write_1bit(unsigned long ioaddr, u32 phy_data, u32 chip_id)
1766{
1767 outl(phy_data , ioaddr); /* MII Clock Low */
1768 udelay(1);
1769 outl(phy_data | MDCLKH, ioaddr); /* MII Clock High */
1770 udelay(1);
1771 outl(phy_data , ioaddr); /* MII Clock Low */
1772 udelay(1);
1773}
1774
1775
1776/*
1777 * Read one bit phy data from PHY controller
1778 */
1779
1780static u16 phy_read_1bit(unsigned long ioaddr, u32 chip_id)
1781{
1782 u16 phy_data;
f3b197ac 1783
4689ced9
PC		 1784 outl(0x50000 , ioaddr);
1785 udelay(1);
1786 phy_data = ( inl(ioaddr) >> 19 ) & 0x1;
1787 outl(0x40000 , ioaddr);
1788 udelay(1);
1789
1790 return phy_data;
1791}
1792
1793
a3aa1884 1794static DEFINE_PCI_DEVICE_TABLE(uli526x_pci_tbl) = {
4689ced9
PC		 1795 { 0x10B9, 0x5261, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5261_ID },
1796 { 0x10B9, 0x5263, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5263_ID },
1797 { 0, }
1798};
1799MODULE_DEVICE_TABLE(pci, uli526x_pci_tbl);
1800
1801
1802static struct pci_driver uli526x_driver = {
1803 .name = "uli526x",
1804 .id_table = uli526x_pci_tbl,
1805 .probe = uli526x_init_one,
1806 .remove = __devexit_p(uli526x_remove_one),
b6aec32a
RW		 1807 .suspend = uli526x_suspend,
1808 .resume = uli526x_resume,
4689ced9
PC		 1809};
1810
1811MODULE_AUTHOR("Peer Chen, peer.chen@uli.com.tw");
1812MODULE_DESCRIPTION("ULi M5261/M5263 fast ethernet driver");
1813MODULE_LICENSE("GPL");
1814
c213460f
ES		 1815module_param(debug, int, 0644);
1816module_param(mode, int, 0);
1817module_param(cr6set, int, 0);
4689ced9
PC		 1818MODULE_PARM_DESC(debug, "ULi M5261/M5263 enable debugging (0-1)");
1819MODULE_PARM_DESC(mode, "ULi M5261/M5263: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA");
1820
1821/* Description:
1822 * when user used insmod to add module, system invoked init_module()
945a7876 1823 * to register the services.
4689ced9
PC		 1824 */
1825
1826static int __init uli526x_init_module(void)
1827{
4689ced9
PC		 1828
1829 printk(version);
1830 printed_version = 1;
1831
1832 ULI526X_DBUG(0, "init_module() ", debug);
1833
1834 if (debug)
1835 uli526x_debug = debug; /* set debug flag */
1836 if (cr6set)
1837 uli526x_cr6_user_set = cr6set;
1838
e1c3e501 1839 switch (mode) {
4689ced9
PC		 1840 case ULI526X_10MHF:
1841 case ULI526X_100MHF:
1842 case ULI526X_10MFD:
1843 case ULI526X_100MFD:
1844 uli526x_media_mode = mode;
1845 break;
e1c3e501
HK		 1846 default:
1847 uli526x_media_mode = ULI526X_AUTO;
4689ced9
PC		 1848 break;
1849 }
1850
e1c3e501 1851 return pci_register_driver(&uli526x_driver);
4689ced9
PC		 1852}
1853
1854
1855/*
1856 * Description:
1857 * when user used rmmod to delete module, system invoked clean_module()
1858 * to un-register all registered services.
1859 */
1860
1861static void __exit uli526x_cleanup_module(void)
1862{
1863 ULI526X_DBUG(0, "uli526x_clean_module() ", debug);
1864 pci_unregister_driver(&uli526x_driver);
1865}
1866
1867module_init(uli526x_init_module);
1868module_exit(uli526x_cleanup_module);
ubuntu-bionic-kernel mirror