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r8169: support new chips of RTL8111F
[deliverable/linux.git] / drivers / net / ethernet / realtek / r8169.c
1 /*
2 * r8169.c: RealTek 8169/8168/8101 ethernet driver.
3 *
4 * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5 * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6 * Copyright (c) a lot of people too. Please respect their work.
7 *
8 * See MAINTAINERS file for support contact information.
9 */
10
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/tcp.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/firmware.h>
29 #include <linux/pci-aspm.h>
30 #include <linux/prefetch.h>
31
32 #include <asm/system.h>
33 #include <asm/io.h>
34 #include <asm/irq.h>
35
36 #define RTL8169_VERSION "2.3LK-NAPI"
37 #define MODULENAME "r8169"
38 #define PFX MODULENAME ": "
39
40 #define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw"
41 #define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw"
42 #define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw"
43 #define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw"
44 #define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw"
45 #define FIRMWARE_8168F_1 "rtl_nic/rtl8168f-1.fw"
46 #define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw"
47 #define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
48
49 #ifdef RTL8169_DEBUG
50 #define assert(expr) \
51 if (!(expr)) { \
52 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
53 #expr,__FILE__,__func__,__LINE__); \
54 }
55 #define dprintk(fmt, args...) \
56 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
57 #else
58 #define assert(expr) do {} while (0)
59 #define dprintk(fmt, args...) do {} while (0)
60 #endif /* RTL8169_DEBUG */
61
62 #define R8169_MSG_DEFAULT \
63 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
64
65 #define TX_BUFFS_AVAIL(tp) \
66 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
67
68 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
69 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
70 static const int multicast_filter_limit = 32;
71
72 /* MAC address length */
73 #define MAC_ADDR_LEN 6
74
75 #define MAX_READ_REQUEST_SHIFT 12
76 #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
77 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
78 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
79
80 #define R8169_REGS_SIZE 256
81 #define R8169_NAPI_WEIGHT 64
82 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
83 #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
84 #define RX_BUF_SIZE 1536 /* Rx Buffer size */
85 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
86 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
87
88 #define RTL8169_TX_TIMEOUT (6*HZ)
89 #define RTL8169_PHY_TIMEOUT (10*HZ)
90
91 #define RTL_EEPROM_SIG cpu_to_le32(0x8129)
92 #define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
93 #define RTL_EEPROM_SIG_ADDR 0x0000
94
95 /* write/read MMIO register */
96 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
97 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
98 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
99 #define RTL_R8(reg) readb (ioaddr + (reg))
100 #define RTL_R16(reg) readw (ioaddr + (reg))
101 #define RTL_R32(reg) readl (ioaddr + (reg))
102
103 enum mac_version {
104 RTL_GIGA_MAC_VER_01 = 0,
105 RTL_GIGA_MAC_VER_02,
106 RTL_GIGA_MAC_VER_03,
107 RTL_GIGA_MAC_VER_04,
108 RTL_GIGA_MAC_VER_05,
109 RTL_GIGA_MAC_VER_06,
110 RTL_GIGA_MAC_VER_07,
111 RTL_GIGA_MAC_VER_08,
112 RTL_GIGA_MAC_VER_09,
113 RTL_GIGA_MAC_VER_10,
114 RTL_GIGA_MAC_VER_11,
115 RTL_GIGA_MAC_VER_12,
116 RTL_GIGA_MAC_VER_13,
117 RTL_GIGA_MAC_VER_14,
118 RTL_GIGA_MAC_VER_15,
119 RTL_GIGA_MAC_VER_16,
120 RTL_GIGA_MAC_VER_17,
121 RTL_GIGA_MAC_VER_18,
122 RTL_GIGA_MAC_VER_19,
123 RTL_GIGA_MAC_VER_20,
124 RTL_GIGA_MAC_VER_21,
125 RTL_GIGA_MAC_VER_22,
126 RTL_GIGA_MAC_VER_23,
127 RTL_GIGA_MAC_VER_24,
128 RTL_GIGA_MAC_VER_25,
129 RTL_GIGA_MAC_VER_26,
130 RTL_GIGA_MAC_VER_27,
131 RTL_GIGA_MAC_VER_28,
132 RTL_GIGA_MAC_VER_29,
133 RTL_GIGA_MAC_VER_30,
134 RTL_GIGA_MAC_VER_31,
135 RTL_GIGA_MAC_VER_32,
136 RTL_GIGA_MAC_VER_33,
137 RTL_GIGA_MAC_VER_34,
138 RTL_GIGA_MAC_VER_35,
139 RTL_GIGA_MAC_VER_36,
140 RTL_GIGA_MAC_NONE = 0xff,
141 };
142
143 enum rtl_tx_desc_version {
144 RTL_TD_0 = 0,
145 RTL_TD_1 = 1,
146 };
147
148 #define _R(NAME,TD,FW) \
149 { .name = NAME, .txd_version = TD, .fw_name = FW }
150
151 static const struct {
152 const char *name;
153 enum rtl_tx_desc_version txd_version;
154 const char *fw_name;
155 } rtl_chip_infos[] = {
156 /* PCI devices. */
157 [RTL_GIGA_MAC_VER_01] =
158 _R("RTL8169", RTL_TD_0, NULL),
159 [RTL_GIGA_MAC_VER_02] =
160 _R("RTL8169s", RTL_TD_0, NULL),
161 [RTL_GIGA_MAC_VER_03] =
162 _R("RTL8110s", RTL_TD_0, NULL),
163 [RTL_GIGA_MAC_VER_04] =
164 _R("RTL8169sb/8110sb", RTL_TD_0, NULL),
165 [RTL_GIGA_MAC_VER_05] =
166 _R("RTL8169sc/8110sc", RTL_TD_0, NULL),
167 [RTL_GIGA_MAC_VER_06] =
168 _R("RTL8169sc/8110sc", RTL_TD_0, NULL),
169 /* PCI-E devices. */
170 [RTL_GIGA_MAC_VER_07] =
171 _R("RTL8102e", RTL_TD_1, NULL),
172 [RTL_GIGA_MAC_VER_08] =
173 _R("RTL8102e", RTL_TD_1, NULL),
174 [RTL_GIGA_MAC_VER_09] =
175 _R("RTL8102e", RTL_TD_1, NULL),
176 [RTL_GIGA_MAC_VER_10] =
177 _R("RTL8101e", RTL_TD_0, NULL),
178 [RTL_GIGA_MAC_VER_11] =
179 _R("RTL8168b/8111b", RTL_TD_0, NULL),
180 [RTL_GIGA_MAC_VER_12] =
181 _R("RTL8168b/8111b", RTL_TD_0, NULL),
182 [RTL_GIGA_MAC_VER_13] =
183 _R("RTL8101e", RTL_TD_0, NULL),
184 [RTL_GIGA_MAC_VER_14] =
185 _R("RTL8100e", RTL_TD_0, NULL),
186 [RTL_GIGA_MAC_VER_15] =
187 _R("RTL8100e", RTL_TD_0, NULL),
188 [RTL_GIGA_MAC_VER_16] =
189 _R("RTL8101e", RTL_TD_0, NULL),
190 [RTL_GIGA_MAC_VER_17] =
191 _R("RTL8168b/8111b", RTL_TD_0, NULL),
192 [RTL_GIGA_MAC_VER_18] =
193 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
194 [RTL_GIGA_MAC_VER_19] =
195 _R("RTL8168c/8111c", RTL_TD_1, NULL),
196 [RTL_GIGA_MAC_VER_20] =
197 _R("RTL8168c/8111c", RTL_TD_1, NULL),
198 [RTL_GIGA_MAC_VER_21] =
199 _R("RTL8168c/8111c", RTL_TD_1, NULL),
200 [RTL_GIGA_MAC_VER_22] =
201 _R("RTL8168c/8111c", RTL_TD_1, NULL),
202 [RTL_GIGA_MAC_VER_23] =
203 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
204 [RTL_GIGA_MAC_VER_24] =
205 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
206 [RTL_GIGA_MAC_VER_25] =
207 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_1),
208 [RTL_GIGA_MAC_VER_26] =
209 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_2),
210 [RTL_GIGA_MAC_VER_27] =
211 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
212 [RTL_GIGA_MAC_VER_28] =
213 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
214 [RTL_GIGA_MAC_VER_29] =
215 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1),
216 [RTL_GIGA_MAC_VER_30] =
217 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1),
218 [RTL_GIGA_MAC_VER_31] =
219 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
220 [RTL_GIGA_MAC_VER_32] =
221 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_1),
222 [RTL_GIGA_MAC_VER_33] =
223 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_2),
224 [RTL_GIGA_MAC_VER_34] =
225 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3),
226 [RTL_GIGA_MAC_VER_35] =
227 _R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_1),
228 [RTL_GIGA_MAC_VER_36] =
229 _R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_2)
230 };
231 #undef _R
232
233 enum cfg_version {
234 RTL_CFG_0 = 0x00,
235 RTL_CFG_1,
236 RTL_CFG_2
237 };
238
239 static void rtl_hw_start_8169(struct net_device *);
240 static void rtl_hw_start_8168(struct net_device *);
241 static void rtl_hw_start_8101(struct net_device *);
242
243 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
244 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
245 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
246 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
247 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
248 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
249 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
250 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4302), 0, 0, RTL_CFG_0 },
251 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
252 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
253 { PCI_VENDOR_ID_LINKSYS, 0x1032,
254 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
255 { 0x0001, 0x8168,
256 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
257 {0,},
258 };
259
260 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
261
262 static int rx_buf_sz = 16383;
263 static int use_dac;
264 static struct {
265 u32 msg_enable;
266 } debug = { -1 };
267
268 enum rtl_registers {
269 MAC0 = 0, /* Ethernet hardware address. */
270 MAC4 = 4,
271 MAR0 = 8, /* Multicast filter. */
272 CounterAddrLow = 0x10,
273 CounterAddrHigh = 0x14,
274 TxDescStartAddrLow = 0x20,
275 TxDescStartAddrHigh = 0x24,
276 TxHDescStartAddrLow = 0x28,
277 TxHDescStartAddrHigh = 0x2c,
278 FLASH = 0x30,
279 ERSR = 0x36,
280 ChipCmd = 0x37,
281 TxPoll = 0x38,
282 IntrMask = 0x3c,
283 IntrStatus = 0x3e,
284
285 TxConfig = 0x40,
286 #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
287 #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
288
289 RxConfig = 0x44,
290 #define RX128_INT_EN (1 << 15) /* 8111c and later */
291 #define RX_MULTI_EN (1 << 14) /* 8111c only */
292 #define RXCFG_FIFO_SHIFT 13
293 /* No threshold before first PCI xfer */
294 #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
295 #define RXCFG_DMA_SHIFT 8
296 /* Unlimited maximum PCI burst. */
297 #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
298
299 RxMissed = 0x4c,
300 Cfg9346 = 0x50,
301 Config0 = 0x51,
302 Config1 = 0x52,
303 Config2 = 0x53,
304 Config3 = 0x54,
305 Config4 = 0x55,
306 Config5 = 0x56,
307 MultiIntr = 0x5c,
308 PHYAR = 0x60,
309 PHYstatus = 0x6c,
310 RxMaxSize = 0xda,
311 CPlusCmd = 0xe0,
312 IntrMitigate = 0xe2,
313 RxDescAddrLow = 0xe4,
314 RxDescAddrHigh = 0xe8,
315 EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */
316
317 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
318
319 MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
320
321 #define TxPacketMax (8064 >> 7)
322 #define EarlySize 0x27
323
324 FuncEvent = 0xf0,
325 FuncEventMask = 0xf4,
326 FuncPresetState = 0xf8,
327 FuncForceEvent = 0xfc,
328 };
329
330 enum rtl8110_registers {
331 TBICSR = 0x64,
332 TBI_ANAR = 0x68,
333 TBI_LPAR = 0x6a,
334 };
335
336 enum rtl8168_8101_registers {
337 CSIDR = 0x64,
338 CSIAR = 0x68,
339 #define CSIAR_FLAG 0x80000000
340 #define CSIAR_WRITE_CMD 0x80000000
341 #define CSIAR_BYTE_ENABLE 0x0f
342 #define CSIAR_BYTE_ENABLE_SHIFT 12
343 #define CSIAR_ADDR_MASK 0x0fff
344 PMCH = 0x6f,
345 EPHYAR = 0x80,
346 #define EPHYAR_FLAG 0x80000000
347 #define EPHYAR_WRITE_CMD 0x80000000
348 #define EPHYAR_REG_MASK 0x1f
349 #define EPHYAR_REG_SHIFT 16
350 #define EPHYAR_DATA_MASK 0xffff
351 DLLPR = 0xd0,
352 #define PFM_EN (1 << 6)
353 DBG_REG = 0xd1,
354 #define FIX_NAK_1 (1 << 4)
355 #define FIX_NAK_2 (1 << 3)
356 TWSI = 0xd2,
357 MCU = 0xd3,
358 #define NOW_IS_OOB (1 << 7)
359 #define EN_NDP (1 << 3)
360 #define EN_OOB_RESET (1 << 2)
361 EFUSEAR = 0xdc,
362 #define EFUSEAR_FLAG 0x80000000
363 #define EFUSEAR_WRITE_CMD 0x80000000
364 #define EFUSEAR_READ_CMD 0x00000000
365 #define EFUSEAR_REG_MASK 0x03ff
366 #define EFUSEAR_REG_SHIFT 8
367 #define EFUSEAR_DATA_MASK 0xff
368 };
369
370 enum rtl8168_registers {
371 LED_FREQ = 0x1a,
372 EEE_LED = 0x1b,
373 ERIDR = 0x70,
374 ERIAR = 0x74,
375 #define ERIAR_FLAG 0x80000000
376 #define ERIAR_WRITE_CMD 0x80000000
377 #define ERIAR_READ_CMD 0x00000000
378 #define ERIAR_ADDR_BYTE_ALIGN 4
379 #define ERIAR_TYPE_SHIFT 16
380 #define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
381 #define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
382 #define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
383 #define ERIAR_MASK_SHIFT 12
384 #define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
385 #define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
386 #define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
387 EPHY_RXER_NUM = 0x7c,
388 OCPDR = 0xb0, /* OCP GPHY access */
389 #define OCPDR_WRITE_CMD 0x80000000
390 #define OCPDR_READ_CMD 0x00000000
391 #define OCPDR_REG_MASK 0x7f
392 #define OCPDR_GPHY_REG_SHIFT 16
393 #define OCPDR_DATA_MASK 0xffff
394 OCPAR = 0xb4,
395 #define OCPAR_FLAG 0x80000000
396 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
397 #define OCPAR_GPHY_READ_CMD 0x0000f060
398 RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
399 MISC = 0xf0, /* 8168e only. */
400 #define TXPLA_RST (1 << 29)
401 #define PWM_EN (1 << 22)
402 };
403
404 enum rtl_register_content {
405 /* InterruptStatusBits */
406 SYSErr = 0x8000,
407 PCSTimeout = 0x4000,
408 SWInt = 0x0100,
409 TxDescUnavail = 0x0080,
410 RxFIFOOver = 0x0040,
411 LinkChg = 0x0020,
412 RxOverflow = 0x0010,
413 TxErr = 0x0008,
414 TxOK = 0x0004,
415 RxErr = 0x0002,
416 RxOK = 0x0001,
417
418 /* RxStatusDesc */
419 RxBOVF = (1 << 24),
420 RxFOVF = (1 << 23),
421 RxRWT = (1 << 22),
422 RxRES = (1 << 21),
423 RxRUNT = (1 << 20),
424 RxCRC = (1 << 19),
425
426 /* ChipCmdBits */
427 StopReq = 0x80,
428 CmdReset = 0x10,
429 CmdRxEnb = 0x08,
430 CmdTxEnb = 0x04,
431 RxBufEmpty = 0x01,
432
433 /* TXPoll register p.5 */
434 HPQ = 0x80, /* Poll cmd on the high prio queue */
435 NPQ = 0x40, /* Poll cmd on the low prio queue */
436 FSWInt = 0x01, /* Forced software interrupt */
437
438 /* Cfg9346Bits */
439 Cfg9346_Lock = 0x00,
440 Cfg9346_Unlock = 0xc0,
441
442 /* rx_mode_bits */
443 AcceptErr = 0x20,
444 AcceptRunt = 0x10,
445 AcceptBroadcast = 0x08,
446 AcceptMulticast = 0x04,
447 AcceptMyPhys = 0x02,
448 AcceptAllPhys = 0x01,
449 #define RX_CONFIG_ACCEPT_MASK 0x3f
450
451 /* TxConfigBits */
452 TxInterFrameGapShift = 24,
453 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
454
455 /* Config1 register p.24 */
456 LEDS1 = (1 << 7),
457 LEDS0 = (1 << 6),
458 MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
459 Speed_down = (1 << 4),
460 MEMMAP = (1 << 3),
461 IOMAP = (1 << 2),
462 VPD = (1 << 1),
463 PMEnable = (1 << 0), /* Power Management Enable */
464
465 /* Config2 register p. 25 */
466 PCI_Clock_66MHz = 0x01,
467 PCI_Clock_33MHz = 0x00,
468
469 /* Config3 register p.25 */
470 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
471 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
472 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
473
474 /* Config5 register p.27 */
475 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
476 MWF = (1 << 5), /* Accept Multicast wakeup frame */
477 UWF = (1 << 4), /* Accept Unicast wakeup frame */
478 Spi_en = (1 << 3),
479 LanWake = (1 << 1), /* LanWake enable/disable */
480 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
481
482 /* TBICSR p.28 */
483 TBIReset = 0x80000000,
484 TBILoopback = 0x40000000,
485 TBINwEnable = 0x20000000,
486 TBINwRestart = 0x10000000,
487 TBILinkOk = 0x02000000,
488 TBINwComplete = 0x01000000,
489
490 /* CPlusCmd p.31 */
491 EnableBist = (1 << 15), // 8168 8101
492 Mac_dbgo_oe = (1 << 14), // 8168 8101
493 Normal_mode = (1 << 13), // unused
494 Force_half_dup = (1 << 12), // 8168 8101
495 Force_rxflow_en = (1 << 11), // 8168 8101
496 Force_txflow_en = (1 << 10), // 8168 8101
497 Cxpl_dbg_sel = (1 << 9), // 8168 8101
498 ASF = (1 << 8), // 8168 8101
499 PktCntrDisable = (1 << 7), // 8168 8101
500 Mac_dbgo_sel = 0x001c, // 8168
501 RxVlan = (1 << 6),
502 RxChkSum = (1 << 5),
503 PCIDAC = (1 << 4),
504 PCIMulRW = (1 << 3),
505 INTT_0 = 0x0000, // 8168
506 INTT_1 = 0x0001, // 8168
507 INTT_2 = 0x0002, // 8168
508 INTT_3 = 0x0003, // 8168
509
510 /* rtl8169_PHYstatus */
511 TBI_Enable = 0x80,
512 TxFlowCtrl = 0x40,
513 RxFlowCtrl = 0x20,
514 _1000bpsF = 0x10,
515 _100bps = 0x08,
516 _10bps = 0x04,
517 LinkStatus = 0x02,
518 FullDup = 0x01,
519
520 /* _TBICSRBit */
521 TBILinkOK = 0x02000000,
522
523 /* DumpCounterCommand */
524 CounterDump = 0x8,
525 };
526
527 enum rtl_desc_bit {
528 /* First doubleword. */
529 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
530 RingEnd = (1 << 30), /* End of descriptor ring */
531 FirstFrag = (1 << 29), /* First segment of a packet */
532 LastFrag = (1 << 28), /* Final segment of a packet */
533 };
534
535 /* Generic case. */
536 enum rtl_tx_desc_bit {
537 /* First doubleword. */
538 TD_LSO = (1 << 27), /* Large Send Offload */
539 #define TD_MSS_MAX 0x07ffu /* MSS value */
540
541 /* Second doubleword. */
542 TxVlanTag = (1 << 17), /* Add VLAN tag */
543 };
544
545 /* 8169, 8168b and 810x except 8102e. */
546 enum rtl_tx_desc_bit_0 {
547 /* First doubleword. */
548 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
549 TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */
550 TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */
551 TD0_IP_CS = (1 << 18), /* Calculate IP checksum */
552 };
553
554 /* 8102e, 8168c and beyond. */
555 enum rtl_tx_desc_bit_1 {
556 /* Second doubleword. */
557 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
558 TD1_IP_CS = (1 << 29), /* Calculate IP checksum */
559 TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */
560 TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */
561 };
562
563 static const struct rtl_tx_desc_info {
564 struct {
565 u32 udp;
566 u32 tcp;
567 } checksum;
568 u16 mss_shift;
569 u16 opts_offset;
570 } tx_desc_info [] = {
571 [RTL_TD_0] = {
572 .checksum = {
573 .udp = TD0_IP_CS | TD0_UDP_CS,
574 .tcp = TD0_IP_CS | TD0_TCP_CS
575 },
576 .mss_shift = TD0_MSS_SHIFT,
577 .opts_offset = 0
578 },
579 [RTL_TD_1] = {
580 .checksum = {
581 .udp = TD1_IP_CS | TD1_UDP_CS,
582 .tcp = TD1_IP_CS | TD1_TCP_CS
583 },
584 .mss_shift = TD1_MSS_SHIFT,
585 .opts_offset = 1
586 }
587 };
588
589 enum rtl_rx_desc_bit {
590 /* Rx private */
591 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
592 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
593
594 #define RxProtoUDP (PID1)
595 #define RxProtoTCP (PID0)
596 #define RxProtoIP (PID1 | PID0)
597 #define RxProtoMask RxProtoIP
598
599 IPFail = (1 << 16), /* IP checksum failed */
600 UDPFail = (1 << 15), /* UDP/IP checksum failed */
601 TCPFail = (1 << 14), /* TCP/IP checksum failed */
602 RxVlanTag = (1 << 16), /* VLAN tag available */
603 };
604
605 #define RsvdMask 0x3fffc000
606
607 struct TxDesc {
608 __le32 opts1;
609 __le32 opts2;
610 __le64 addr;
611 };
612
613 struct RxDesc {
614 __le32 opts1;
615 __le32 opts2;
616 __le64 addr;
617 };
618
619 struct ring_info {
620 struct sk_buff *skb;
621 u32 len;
622 u8 __pad[sizeof(void *) - sizeof(u32)];
623 };
624
625 enum features {
626 RTL_FEATURE_WOL = (1 << 0),
627 RTL_FEATURE_MSI = (1 << 1),
628 RTL_FEATURE_GMII = (1 << 2),
629 };
630
631 struct rtl8169_counters {
632 __le64 tx_packets;
633 __le64 rx_packets;
634 __le64 tx_errors;
635 __le32 rx_errors;
636 __le16 rx_missed;
637 __le16 align_errors;
638 __le32 tx_one_collision;
639 __le32 tx_multi_collision;
640 __le64 rx_unicast;
641 __le64 rx_broadcast;
642 __le32 rx_multicast;
643 __le16 tx_aborted;
644 __le16 tx_underun;
645 };
646
647 struct rtl8169_private {
648 void __iomem *mmio_addr; /* memory map physical address */
649 struct pci_dev *pci_dev;
650 struct net_device *dev;
651 struct napi_struct napi;
652 spinlock_t lock;
653 u32 msg_enable;
654 u16 txd_version;
655 u16 mac_version;
656 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
657 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
658 u32 dirty_rx;
659 u32 dirty_tx;
660 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
661 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
662 dma_addr_t TxPhyAddr;
663 dma_addr_t RxPhyAddr;
664 void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
665 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
666 struct timer_list timer;
667 u16 cp_cmd;
668 u16 intr_event;
669 u16 napi_event;
670 u16 intr_mask;
671
672 struct mdio_ops {
673 void (*write)(void __iomem *, int, int);
674 int (*read)(void __iomem *, int);
675 } mdio_ops;
676
677 struct pll_power_ops {
678 void (*down)(struct rtl8169_private *);
679 void (*up)(struct rtl8169_private *);
680 } pll_power_ops;
681
682 int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
683 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
684 void (*phy_reset_enable)(struct rtl8169_private *tp);
685 void (*hw_start)(struct net_device *);
686 unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
687 unsigned int (*link_ok)(void __iomem *);
688 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
689 struct delayed_work task;
690 unsigned features;
691
692 struct mii_if_info mii;
693 struct rtl8169_counters counters;
694 u32 saved_wolopts;
695 u32 opts1_mask;
696
697 struct rtl_fw {
698 const struct firmware *fw;
699
700 #define RTL_VER_SIZE 32
701
702 char version[RTL_VER_SIZE];
703
704 struct rtl_fw_phy_action {
705 __le32 *code;
706 size_t size;
707 } phy_action;
708 } *rtl_fw;
709 #define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN)
710 };
711
712 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
713 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
714 module_param(use_dac, int, 0);
715 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
716 module_param_named(debug, debug.msg_enable, int, 0);
717 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
718 MODULE_LICENSE("GPL");
719 MODULE_VERSION(RTL8169_VERSION);
720 MODULE_FIRMWARE(FIRMWARE_8168D_1);
721 MODULE_FIRMWARE(FIRMWARE_8168D_2);
722 MODULE_FIRMWARE(FIRMWARE_8168E_1);
723 MODULE_FIRMWARE(FIRMWARE_8168E_2);
724 MODULE_FIRMWARE(FIRMWARE_8168E_3);
725 MODULE_FIRMWARE(FIRMWARE_8105E_1);
726 MODULE_FIRMWARE(FIRMWARE_8168F_1);
727 MODULE_FIRMWARE(FIRMWARE_8168F_2);
728
729 static int rtl8169_open(struct net_device *dev);
730 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
731 struct net_device *dev);
732 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
733 static int rtl8169_init_ring(struct net_device *dev);
734 static void rtl_hw_start(struct net_device *dev);
735 static int rtl8169_close(struct net_device *dev);
736 static void rtl_set_rx_mode(struct net_device *dev);
737 static void rtl8169_tx_timeout(struct net_device *dev);
738 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
739 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
740 void __iomem *, u32 budget);
741 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
742 static void rtl8169_down(struct net_device *dev);
743 static void rtl8169_rx_clear(struct rtl8169_private *tp);
744 static int rtl8169_poll(struct napi_struct *napi, int budget);
745
746 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
747 {
748 void __iomem *ioaddr = tp->mmio_addr;
749 int i;
750
751 RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
752 for (i = 0; i < 20; i++) {
753 udelay(100);
754 if (RTL_R32(OCPAR) & OCPAR_FLAG)
755 break;
756 }
757 return RTL_R32(OCPDR);
758 }
759
760 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
761 {
762 void __iomem *ioaddr = tp->mmio_addr;
763 int i;
764
765 RTL_W32(OCPDR, data);
766 RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
767 for (i = 0; i < 20; i++) {
768 udelay(100);
769 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
770 break;
771 }
772 }
773
774 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
775 {
776 void __iomem *ioaddr = tp->mmio_addr;
777 int i;
778
779 RTL_W8(ERIDR, cmd);
780 RTL_W32(ERIAR, 0x800010e8);
781 msleep(2);
782 for (i = 0; i < 5; i++) {
783 udelay(100);
784 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
785 break;
786 }
787
788 ocp_write(tp, 0x1, 0x30, 0x00000001);
789 }
790
791 #define OOB_CMD_RESET 0x00
792 #define OOB_CMD_DRIVER_START 0x05
793 #define OOB_CMD_DRIVER_STOP 0x06
794
795 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
796 {
797 return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
798 }
799
800 static void rtl8168_driver_start(struct rtl8169_private *tp)
801 {
802 u16 reg;
803 int i;
804
805 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
806
807 reg = rtl8168_get_ocp_reg(tp);
808
809 for (i = 0; i < 10; i++) {
810 msleep(10);
811 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
812 break;
813 }
814 }
815
816 static void rtl8168_driver_stop(struct rtl8169_private *tp)
817 {
818 u16 reg;
819 int i;
820
821 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
822
823 reg = rtl8168_get_ocp_reg(tp);
824
825 for (i = 0; i < 10; i++) {
826 msleep(10);
827 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
828 break;
829 }
830 }
831
832 static int r8168dp_check_dash(struct rtl8169_private *tp)
833 {
834 u16 reg = rtl8168_get_ocp_reg(tp);
835
836 return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
837 }
838
839 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
840 {
841 int i;
842
843 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
844
845 for (i = 20; i > 0; i--) {
846 /*
847 * Check if the RTL8169 has completed writing to the specified
848 * MII register.
849 */
850 if (!(RTL_R32(PHYAR) & 0x80000000))
851 break;
852 udelay(25);
853 }
854 /*
855 * According to hardware specs a 20us delay is required after write
856 * complete indication, but before sending next command.
857 */
858 udelay(20);
859 }
860
861 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
862 {
863 int i, value = -1;
864
865 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
866
867 for (i = 20; i > 0; i--) {
868 /*
869 * Check if the RTL8169 has completed retrieving data from
870 * the specified MII register.
871 */
872 if (RTL_R32(PHYAR) & 0x80000000) {
873 value = RTL_R32(PHYAR) & 0xffff;
874 break;
875 }
876 udelay(25);
877 }
878 /*
879 * According to hardware specs a 20us delay is required after read
880 * complete indication, but before sending next command.
881 */
882 udelay(20);
883
884 return value;
885 }
886
887 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
888 {
889 int i;
890
891 RTL_W32(OCPDR, data |
892 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
893 RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
894 RTL_W32(EPHY_RXER_NUM, 0);
895
896 for (i = 0; i < 100; i++) {
897 mdelay(1);
898 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
899 break;
900 }
901 }
902
903 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
904 {
905 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
906 (value & OCPDR_DATA_MASK));
907 }
908
909 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
910 {
911 int i;
912
913 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
914
915 mdelay(1);
916 RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
917 RTL_W32(EPHY_RXER_NUM, 0);
918
919 for (i = 0; i < 100; i++) {
920 mdelay(1);
921 if (RTL_R32(OCPAR) & OCPAR_FLAG)
922 break;
923 }
924
925 return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
926 }
927
928 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
929
930 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
931 {
932 RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
933 }
934
935 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
936 {
937 RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
938 }
939
940 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
941 {
942 r8168dp_2_mdio_start(ioaddr);
943
944 r8169_mdio_write(ioaddr, reg_addr, value);
945
946 r8168dp_2_mdio_stop(ioaddr);
947 }
948
949 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
950 {
951 int value;
952
953 r8168dp_2_mdio_start(ioaddr);
954
955 value = r8169_mdio_read(ioaddr, reg_addr);
956
957 r8168dp_2_mdio_stop(ioaddr);
958
959 return value;
960 }
961
962 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
963 {
964 tp->mdio_ops.write(tp->mmio_addr, location, val);
965 }
966
967 static int rtl_readphy(struct rtl8169_private *tp, int location)
968 {
969 return tp->mdio_ops.read(tp->mmio_addr, location);
970 }
971
972 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
973 {
974 rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
975 }
976
977 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
978 {
979 int val;
980
981 val = rtl_readphy(tp, reg_addr);
982 rtl_writephy(tp, reg_addr, (val | p) & ~m);
983 }
984
985 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
986 int val)
987 {
988 struct rtl8169_private *tp = netdev_priv(dev);
989
990 rtl_writephy(tp, location, val);
991 }
992
993 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
994 {
995 struct rtl8169_private *tp = netdev_priv(dev);
996
997 return rtl_readphy(tp, location);
998 }
999
1000 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
1001 {
1002 unsigned int i;
1003
1004 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1005 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1006
1007 for (i = 0; i < 100; i++) {
1008 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
1009 break;
1010 udelay(10);
1011 }
1012 }
1013
1014 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
1015 {
1016 u16 value = 0xffff;
1017 unsigned int i;
1018
1019 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1020
1021 for (i = 0; i < 100; i++) {
1022 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
1023 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
1024 break;
1025 }
1026 udelay(10);
1027 }
1028
1029 return value;
1030 }
1031
1032 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
1033 {
1034 unsigned int i;
1035
1036 RTL_W32(CSIDR, value);
1037 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1038 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1039
1040 for (i = 0; i < 100; i++) {
1041 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1042 break;
1043 udelay(10);
1044 }
1045 }
1046
1047 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1048 {
1049 u32 value = ~0x00;
1050 unsigned int i;
1051
1052 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1053 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1054
1055 for (i = 0; i < 100; i++) {
1056 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1057 value = RTL_R32(CSIDR);
1058 break;
1059 }
1060 udelay(10);
1061 }
1062
1063 return value;
1064 }
1065
1066 static
1067 void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
1068 {
1069 unsigned int i;
1070
1071 BUG_ON((addr & 3) || (mask == 0));
1072 RTL_W32(ERIDR, val);
1073 RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1074
1075 for (i = 0; i < 100; i++) {
1076 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
1077 break;
1078 udelay(100);
1079 }
1080 }
1081
1082 static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
1083 {
1084 u32 value = ~0x00;
1085 unsigned int i;
1086
1087 RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1088
1089 for (i = 0; i < 100; i++) {
1090 if (RTL_R32(ERIAR) & ERIAR_FLAG) {
1091 value = RTL_R32(ERIDR);
1092 break;
1093 }
1094 udelay(100);
1095 }
1096
1097 return value;
1098 }
1099
1100 static void
1101 rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
1102 {
1103 u32 val;
1104
1105 val = rtl_eri_read(ioaddr, addr, type);
1106 rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
1107 }
1108
1109 struct exgmac_reg {
1110 u16 addr;
1111 u16 mask;
1112 u32 val;
1113 };
1114
1115 static void rtl_write_exgmac_batch(void __iomem *ioaddr,
1116 const struct exgmac_reg *r, int len)
1117 {
1118 while (len-- > 0) {
1119 rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1120 r++;
1121 }
1122 }
1123
1124 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1125 {
1126 u8 value = 0xff;
1127 unsigned int i;
1128
1129 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1130
1131 for (i = 0; i < 300; i++) {
1132 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1133 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1134 break;
1135 }
1136 udelay(100);
1137 }
1138
1139 return value;
1140 }
1141
1142 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
1143 {
1144 RTL_W16(IntrMask, 0x0000);
1145
1146 RTL_W16(IntrStatus, 0xffff);
1147 }
1148
1149 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1150 {
1151 void __iomem *ioaddr = tp->mmio_addr;
1152
1153 return RTL_R32(TBICSR) & TBIReset;
1154 }
1155
1156 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1157 {
1158 return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1159 }
1160
1161 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1162 {
1163 return RTL_R32(TBICSR) & TBILinkOk;
1164 }
1165
1166 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1167 {
1168 return RTL_R8(PHYstatus) & LinkStatus;
1169 }
1170
1171 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1172 {
1173 void __iomem *ioaddr = tp->mmio_addr;
1174
1175 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1176 }
1177
1178 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1179 {
1180 unsigned int val;
1181
1182 val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1183 rtl_writephy(tp, MII_BMCR, val & 0xffff);
1184 }
1185
1186 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1187 {
1188 void __iomem *ioaddr = tp->mmio_addr;
1189 struct net_device *dev = tp->dev;
1190
1191 if (!netif_running(dev))
1192 return;
1193
1194 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
1195 if (RTL_R8(PHYstatus) & _1000bpsF) {
1196 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1197 0x00000011, ERIAR_EXGMAC);
1198 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1199 0x00000005, ERIAR_EXGMAC);
1200 } else if (RTL_R8(PHYstatus) & _100bps) {
1201 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1202 0x0000001f, ERIAR_EXGMAC);
1203 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1204 0x00000005, ERIAR_EXGMAC);
1205 } else {
1206 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1207 0x0000001f, ERIAR_EXGMAC);
1208 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1209 0x0000003f, ERIAR_EXGMAC);
1210 }
1211 /* Reset packet filter */
1212 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1213 ERIAR_EXGMAC);
1214 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1215 ERIAR_EXGMAC);
1216 } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1217 tp->mac_version == RTL_GIGA_MAC_VER_36) {
1218 if (RTL_R8(PHYstatus) & _1000bpsF) {
1219 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1220 0x00000011, ERIAR_EXGMAC);
1221 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1222 0x00000005, ERIAR_EXGMAC);
1223 } else {
1224 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1225 0x0000001f, ERIAR_EXGMAC);
1226 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1227 0x0000003f, ERIAR_EXGMAC);
1228 }
1229 }
1230 }
1231
1232 static void __rtl8169_check_link_status(struct net_device *dev,
1233 struct rtl8169_private *tp,
1234 void __iomem *ioaddr, bool pm)
1235 {
1236 unsigned long flags;
1237
1238 spin_lock_irqsave(&tp->lock, flags);
1239 if (tp->link_ok(ioaddr)) {
1240 rtl_link_chg_patch(tp);
1241 /* This is to cancel a scheduled suspend if there's one. */
1242 if (pm)
1243 pm_request_resume(&tp->pci_dev->dev);
1244 netif_carrier_on(dev);
1245 if (net_ratelimit())
1246 netif_info(tp, ifup, dev, "link up\n");
1247 } else {
1248 netif_carrier_off(dev);
1249 netif_info(tp, ifdown, dev, "link down\n");
1250 if (pm)
1251 pm_schedule_suspend(&tp->pci_dev->dev, 100);
1252 }
1253 spin_unlock_irqrestore(&tp->lock, flags);
1254 }
1255
1256 static void rtl8169_check_link_status(struct net_device *dev,
1257 struct rtl8169_private *tp,
1258 void __iomem *ioaddr)
1259 {
1260 __rtl8169_check_link_status(dev, tp, ioaddr, false);
1261 }
1262
1263 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1264
1265 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1266 {
1267 void __iomem *ioaddr = tp->mmio_addr;
1268 u8 options;
1269 u32 wolopts = 0;
1270
1271 options = RTL_R8(Config1);
1272 if (!(options & PMEnable))
1273 return 0;
1274
1275 options = RTL_R8(Config3);
1276 if (options & LinkUp)
1277 wolopts |= WAKE_PHY;
1278 if (options & MagicPacket)
1279 wolopts |= WAKE_MAGIC;
1280
1281 options = RTL_R8(Config5);
1282 if (options & UWF)
1283 wolopts |= WAKE_UCAST;
1284 if (options & BWF)
1285 wolopts |= WAKE_BCAST;
1286 if (options & MWF)
1287 wolopts |= WAKE_MCAST;
1288
1289 return wolopts;
1290 }
1291
1292 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1293 {
1294 struct rtl8169_private *tp = netdev_priv(dev);
1295
1296 spin_lock_irq(&tp->lock);
1297
1298 wol->supported = WAKE_ANY;
1299 wol->wolopts = __rtl8169_get_wol(tp);
1300
1301 spin_unlock_irq(&tp->lock);
1302 }
1303
1304 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1305 {
1306 void __iomem *ioaddr = tp->mmio_addr;
1307 unsigned int i;
1308 static const struct {
1309 u32 opt;
1310 u16 reg;
1311 u8 mask;
1312 } cfg[] = {
1313 { WAKE_ANY, Config1, PMEnable },
1314 { WAKE_PHY, Config3, LinkUp },
1315 { WAKE_MAGIC, Config3, MagicPacket },
1316 { WAKE_UCAST, Config5, UWF },
1317 { WAKE_BCAST, Config5, BWF },
1318 { WAKE_MCAST, Config5, MWF },
1319 { WAKE_ANY, Config5, LanWake }
1320 };
1321
1322 RTL_W8(Cfg9346, Cfg9346_Unlock);
1323
1324 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1325 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1326 if (wolopts & cfg[i].opt)
1327 options |= cfg[i].mask;
1328 RTL_W8(cfg[i].reg, options);
1329 }
1330
1331 RTL_W8(Cfg9346, Cfg9346_Lock);
1332 }
1333
1334 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1335 {
1336 struct rtl8169_private *tp = netdev_priv(dev);
1337
1338 spin_lock_irq(&tp->lock);
1339
1340 if (wol->wolopts)
1341 tp->features |= RTL_FEATURE_WOL;
1342 else
1343 tp->features &= ~RTL_FEATURE_WOL;
1344 __rtl8169_set_wol(tp, wol->wolopts);
1345 spin_unlock_irq(&tp->lock);
1346
1347 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1348
1349 return 0;
1350 }
1351
1352 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1353 {
1354 return rtl_chip_infos[tp->mac_version].fw_name;
1355 }
1356
1357 static void rtl8169_get_drvinfo(struct net_device *dev,
1358 struct ethtool_drvinfo *info)
1359 {
1360 struct rtl8169_private *tp = netdev_priv(dev);
1361 struct rtl_fw *rtl_fw = tp->rtl_fw;
1362
1363 strcpy(info->driver, MODULENAME);
1364 strcpy(info->version, RTL8169_VERSION);
1365 strcpy(info->bus_info, pci_name(tp->pci_dev));
1366 BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1367 strcpy(info->fw_version, IS_ERR_OR_NULL(rtl_fw) ? "N/A" :
1368 rtl_fw->version);
1369 }
1370
1371 static int rtl8169_get_regs_len(struct net_device *dev)
1372 {
1373 return R8169_REGS_SIZE;
1374 }
1375
1376 static int rtl8169_set_speed_tbi(struct net_device *dev,
1377 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1378 {
1379 struct rtl8169_private *tp = netdev_priv(dev);
1380 void __iomem *ioaddr = tp->mmio_addr;
1381 int ret = 0;
1382 u32 reg;
1383
1384 reg = RTL_R32(TBICSR);
1385 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1386 (duplex == DUPLEX_FULL)) {
1387 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1388 } else if (autoneg == AUTONEG_ENABLE)
1389 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1390 else {
1391 netif_warn(tp, link, dev,
1392 "incorrect speed setting refused in TBI mode\n");
1393 ret = -EOPNOTSUPP;
1394 }
1395
1396 return ret;
1397 }
1398
1399 static int rtl8169_set_speed_xmii(struct net_device *dev,
1400 u8 autoneg, u16 speed, u8 duplex, u32 adv)
1401 {
1402 struct rtl8169_private *tp = netdev_priv(dev);
1403 int giga_ctrl, bmcr;
1404 int rc = -EINVAL;
1405
1406 rtl_writephy(tp, 0x1f, 0x0000);
1407
1408 if (autoneg == AUTONEG_ENABLE) {
1409 int auto_nego;
1410
1411 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1412 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1413 ADVERTISE_100HALF | ADVERTISE_100FULL);
1414
1415 if (adv & ADVERTISED_10baseT_Half)
1416 auto_nego |= ADVERTISE_10HALF;
1417 if (adv & ADVERTISED_10baseT_Full)
1418 auto_nego |= ADVERTISE_10FULL;
1419 if (adv & ADVERTISED_100baseT_Half)
1420 auto_nego |= ADVERTISE_100HALF;
1421 if (adv & ADVERTISED_100baseT_Full)
1422 auto_nego |= ADVERTISE_100FULL;
1423
1424 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1425
1426 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1427 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1428
1429 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1430 if (tp->mii.supports_gmii) {
1431 if (adv & ADVERTISED_1000baseT_Half)
1432 giga_ctrl |= ADVERTISE_1000HALF;
1433 if (adv & ADVERTISED_1000baseT_Full)
1434 giga_ctrl |= ADVERTISE_1000FULL;
1435 } else if (adv & (ADVERTISED_1000baseT_Half |
1436 ADVERTISED_1000baseT_Full)) {
1437 netif_info(tp, link, dev,
1438 "PHY does not support 1000Mbps\n");
1439 goto out;
1440 }
1441
1442 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1443
1444 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1445 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1446 } else {
1447 giga_ctrl = 0;
1448
1449 if (speed == SPEED_10)
1450 bmcr = 0;
1451 else if (speed == SPEED_100)
1452 bmcr = BMCR_SPEED100;
1453 else
1454 goto out;
1455
1456 if (duplex == DUPLEX_FULL)
1457 bmcr |= BMCR_FULLDPLX;
1458 }
1459
1460 rtl_writephy(tp, MII_BMCR, bmcr);
1461
1462 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1463 tp->mac_version == RTL_GIGA_MAC_VER_03) {
1464 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1465 rtl_writephy(tp, 0x17, 0x2138);
1466 rtl_writephy(tp, 0x0e, 0x0260);
1467 } else {
1468 rtl_writephy(tp, 0x17, 0x2108);
1469 rtl_writephy(tp, 0x0e, 0x0000);
1470 }
1471 }
1472
1473 rc = 0;
1474 out:
1475 return rc;
1476 }
1477
1478 static int rtl8169_set_speed(struct net_device *dev,
1479 u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1480 {
1481 struct rtl8169_private *tp = netdev_priv(dev);
1482 int ret;
1483
1484 ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1485 if (ret < 0)
1486 goto out;
1487
1488 if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1489 (advertising & ADVERTISED_1000baseT_Full)) {
1490 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1491 }
1492 out:
1493 return ret;
1494 }
1495
1496 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1497 {
1498 struct rtl8169_private *tp = netdev_priv(dev);
1499 unsigned long flags;
1500 int ret;
1501
1502 del_timer_sync(&tp->timer);
1503
1504 spin_lock_irqsave(&tp->lock, flags);
1505 ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1506 cmd->duplex, cmd->advertising);
1507 spin_unlock_irqrestore(&tp->lock, flags);
1508
1509 return ret;
1510 }
1511
1512 static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
1513 {
1514 if (dev->mtu > TD_MSS_MAX)
1515 features &= ~NETIF_F_ALL_TSO;
1516
1517 return features;
1518 }
1519
1520 static int rtl8169_set_features(struct net_device *dev, u32 features)
1521 {
1522 struct rtl8169_private *tp = netdev_priv(dev);
1523 void __iomem *ioaddr = tp->mmio_addr;
1524 unsigned long flags;
1525
1526 spin_lock_irqsave(&tp->lock, flags);
1527
1528 if (features & NETIF_F_RXCSUM)
1529 tp->cp_cmd |= RxChkSum;
1530 else
1531 tp->cp_cmd &= ~RxChkSum;
1532
1533 if (dev->features & NETIF_F_HW_VLAN_RX)
1534 tp->cp_cmd |= RxVlan;
1535 else
1536 tp->cp_cmd &= ~RxVlan;
1537
1538 RTL_W16(CPlusCmd, tp->cp_cmd);
1539 RTL_R16(CPlusCmd);
1540
1541 spin_unlock_irqrestore(&tp->lock, flags);
1542
1543 return 0;
1544 }
1545
1546 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1547 struct sk_buff *skb)
1548 {
1549 return (vlan_tx_tag_present(skb)) ?
1550 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1551 }
1552
1553 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1554 {
1555 u32 opts2 = le32_to_cpu(desc->opts2);
1556
1557 if (opts2 & RxVlanTag)
1558 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1559
1560 desc->opts2 = 0;
1561 }
1562
1563 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1564 {
1565 struct rtl8169_private *tp = netdev_priv(dev);
1566 void __iomem *ioaddr = tp->mmio_addr;
1567 u32 status;
1568
1569 cmd->supported =
1570 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1571 cmd->port = PORT_FIBRE;
1572 cmd->transceiver = XCVR_INTERNAL;
1573
1574 status = RTL_R32(TBICSR);
1575 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1576 cmd->autoneg = !!(status & TBINwEnable);
1577
1578 ethtool_cmd_speed_set(cmd, SPEED_1000);
1579 cmd->duplex = DUPLEX_FULL; /* Always set */
1580
1581 return 0;
1582 }
1583
1584 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1585 {
1586 struct rtl8169_private *tp = netdev_priv(dev);
1587
1588 return mii_ethtool_gset(&tp->mii, cmd);
1589 }
1590
1591 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1592 {
1593 struct rtl8169_private *tp = netdev_priv(dev);
1594 unsigned long flags;
1595 int rc;
1596
1597 spin_lock_irqsave(&tp->lock, flags);
1598
1599 rc = tp->get_settings(dev, cmd);
1600
1601 spin_unlock_irqrestore(&tp->lock, flags);
1602 return rc;
1603 }
1604
1605 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1606 void *p)
1607 {
1608 struct rtl8169_private *tp = netdev_priv(dev);
1609 unsigned long flags;
1610
1611 if (regs->len > R8169_REGS_SIZE)
1612 regs->len = R8169_REGS_SIZE;
1613
1614 spin_lock_irqsave(&tp->lock, flags);
1615 memcpy_fromio(p, tp->mmio_addr, regs->len);
1616 spin_unlock_irqrestore(&tp->lock, flags);
1617 }
1618
1619 static u32 rtl8169_get_msglevel(struct net_device *dev)
1620 {
1621 struct rtl8169_private *tp = netdev_priv(dev);
1622
1623 return tp->msg_enable;
1624 }
1625
1626 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1627 {
1628 struct rtl8169_private *tp = netdev_priv(dev);
1629
1630 tp->msg_enable = value;
1631 }
1632
1633 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1634 "tx_packets",
1635 "rx_packets",
1636 "tx_errors",
1637 "rx_errors",
1638 "rx_missed",
1639 "align_errors",
1640 "tx_single_collisions",
1641 "tx_multi_collisions",
1642 "unicast",
1643 "broadcast",
1644 "multicast",
1645 "tx_aborted",
1646 "tx_underrun",
1647 };
1648
1649 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1650 {
1651 switch (sset) {
1652 case ETH_SS_STATS:
1653 return ARRAY_SIZE(rtl8169_gstrings);
1654 default:
1655 return -EOPNOTSUPP;
1656 }
1657 }
1658
1659 static void rtl8169_update_counters(struct net_device *dev)
1660 {
1661 struct rtl8169_private *tp = netdev_priv(dev);
1662 void __iomem *ioaddr = tp->mmio_addr;
1663 struct device *d = &tp->pci_dev->dev;
1664 struct rtl8169_counters *counters;
1665 dma_addr_t paddr;
1666 u32 cmd;
1667 int wait = 1000;
1668
1669 /*
1670 * Some chips are unable to dump tally counters when the receiver
1671 * is disabled.
1672 */
1673 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1674 return;
1675
1676 counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1677 if (!counters)
1678 return;
1679
1680 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1681 cmd = (u64)paddr & DMA_BIT_MASK(32);
1682 RTL_W32(CounterAddrLow, cmd);
1683 RTL_W32(CounterAddrLow, cmd | CounterDump);
1684
1685 while (wait--) {
1686 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1687 memcpy(&tp->counters, counters, sizeof(*counters));
1688 break;
1689 }
1690 udelay(10);
1691 }
1692
1693 RTL_W32(CounterAddrLow, 0);
1694 RTL_W32(CounterAddrHigh, 0);
1695
1696 dma_free_coherent(d, sizeof(*counters), counters, paddr);
1697 }
1698
1699 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1700 struct ethtool_stats *stats, u64 *data)
1701 {
1702 struct rtl8169_private *tp = netdev_priv(dev);
1703
1704 ASSERT_RTNL();
1705
1706 rtl8169_update_counters(dev);
1707
1708 data[0] = le64_to_cpu(tp->counters.tx_packets);
1709 data[1] = le64_to_cpu(tp->counters.rx_packets);
1710 data[2] = le64_to_cpu(tp->counters.tx_errors);
1711 data[3] = le32_to_cpu(tp->counters.rx_errors);
1712 data[4] = le16_to_cpu(tp->counters.rx_missed);
1713 data[5] = le16_to_cpu(tp->counters.align_errors);
1714 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1715 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1716 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1717 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1718 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1719 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1720 data[12] = le16_to_cpu(tp->counters.tx_underun);
1721 }
1722
1723 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1724 {
1725 switch(stringset) {
1726 case ETH_SS_STATS:
1727 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1728 break;
1729 }
1730 }
1731
1732 static const struct ethtool_ops rtl8169_ethtool_ops = {
1733 .get_drvinfo = rtl8169_get_drvinfo,
1734 .get_regs_len = rtl8169_get_regs_len,
1735 .get_link = ethtool_op_get_link,
1736 .get_settings = rtl8169_get_settings,
1737 .set_settings = rtl8169_set_settings,
1738 .get_msglevel = rtl8169_get_msglevel,
1739 .set_msglevel = rtl8169_set_msglevel,
1740 .get_regs = rtl8169_get_regs,
1741 .get_wol = rtl8169_get_wol,
1742 .set_wol = rtl8169_set_wol,
1743 .get_strings = rtl8169_get_strings,
1744 .get_sset_count = rtl8169_get_sset_count,
1745 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1746 };
1747
1748 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1749 struct net_device *dev, u8 default_version)
1750 {
1751 void __iomem *ioaddr = tp->mmio_addr;
1752 /*
1753 * The driver currently handles the 8168Bf and the 8168Be identically
1754 * but they can be identified more specifically through the test below
1755 * if needed:
1756 *
1757 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1758 *
1759 * Same thing for the 8101Eb and the 8101Ec:
1760 *
1761 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1762 */
1763 static const struct rtl_mac_info {
1764 u32 mask;
1765 u32 val;
1766 int mac_version;
1767 } mac_info[] = {
1768 /* 8168F family. */
1769 { 0x7cf00000, 0x48100000, RTL_GIGA_MAC_VER_36 },
1770 { 0x7cf00000, 0x48000000, RTL_GIGA_MAC_VER_35 },
1771
1772 /* 8168E family. */
1773 { 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 },
1774 { 0x7cf00000, 0x2c200000, RTL_GIGA_MAC_VER_33 },
1775 { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 },
1776 { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 },
1777
1778 /* 8168D family. */
1779 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1780 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1781 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1782
1783 /* 8168DP family. */
1784 { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1785 { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 },
1786 { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 },
1787
1788 /* 8168C family. */
1789 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
1790 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1791 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1792 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1793 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1794 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1795 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1796 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1797 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1798
1799 /* 8168B family. */
1800 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1801 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1802 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1803 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1804
1805 /* 8101 family. */
1806 { 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
1807 { 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
1808 { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
1809 { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 },
1810 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1811 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1812 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1813 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1814 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1815 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1816 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1817 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1818 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1819 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1820 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1821 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1822 /* FIXME: where did these entries come from ? -- FR */
1823 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1824 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1825
1826 /* 8110 family. */
1827 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1828 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1829 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1830 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1831 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1832 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1833
1834 /* Catch-all */
1835 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1836 };
1837 const struct rtl_mac_info *p = mac_info;
1838 u32 reg;
1839
1840 reg = RTL_R32(TxConfig);
1841 while ((reg & p->mask) != p->val)
1842 p++;
1843 tp->mac_version = p->mac_version;
1844
1845 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1846 netif_notice(tp, probe, dev,
1847 "unknown MAC, using family default\n");
1848 tp->mac_version = default_version;
1849 }
1850 }
1851
1852 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1853 {
1854 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1855 }
1856
1857 struct phy_reg {
1858 u16 reg;
1859 u16 val;
1860 };
1861
1862 static void rtl_writephy_batch(struct rtl8169_private *tp,
1863 const struct phy_reg *regs, int len)
1864 {
1865 while (len-- > 0) {
1866 rtl_writephy(tp, regs->reg, regs->val);
1867 regs++;
1868 }
1869 }
1870
1871 #define PHY_READ 0x00000000
1872 #define PHY_DATA_OR 0x10000000
1873 #define PHY_DATA_AND 0x20000000
1874 #define PHY_BJMPN 0x30000000
1875 #define PHY_READ_EFUSE 0x40000000
1876 #define PHY_READ_MAC_BYTE 0x50000000
1877 #define PHY_WRITE_MAC_BYTE 0x60000000
1878 #define PHY_CLEAR_READCOUNT 0x70000000
1879 #define PHY_WRITE 0x80000000
1880 #define PHY_READCOUNT_EQ_SKIP 0x90000000
1881 #define PHY_COMP_EQ_SKIPN 0xa0000000
1882 #define PHY_COMP_NEQ_SKIPN 0xb0000000
1883 #define PHY_WRITE_PREVIOUS 0xc0000000
1884 #define PHY_SKIPN 0xd0000000
1885 #define PHY_DELAY_MS 0xe0000000
1886 #define PHY_WRITE_ERI_WORD 0xf0000000
1887
1888 struct fw_info {
1889 u32 magic;
1890 char version[RTL_VER_SIZE];
1891 __le32 fw_start;
1892 __le32 fw_len;
1893 u8 chksum;
1894 } __packed;
1895
1896 #define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
1897
1898 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1899 {
1900 const struct firmware *fw = rtl_fw->fw;
1901 struct fw_info *fw_info = (struct fw_info *)fw->data;
1902 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1903 char *version = rtl_fw->version;
1904 bool rc = false;
1905
1906 if (fw->size < FW_OPCODE_SIZE)
1907 goto out;
1908
1909 if (!fw_info->magic) {
1910 size_t i, size, start;
1911 u8 checksum = 0;
1912
1913 if (fw->size < sizeof(*fw_info))
1914 goto out;
1915
1916 for (i = 0; i < fw->size; i++)
1917 checksum += fw->data[i];
1918 if (checksum != 0)
1919 goto out;
1920
1921 start = le32_to_cpu(fw_info->fw_start);
1922 if (start > fw->size)
1923 goto out;
1924
1925 size = le32_to_cpu(fw_info->fw_len);
1926 if (size > (fw->size - start) / FW_OPCODE_SIZE)
1927 goto out;
1928
1929 memcpy(version, fw_info->version, RTL_VER_SIZE);
1930
1931 pa->code = (__le32 *)(fw->data + start);
1932 pa->size = size;
1933 } else {
1934 if (fw->size % FW_OPCODE_SIZE)
1935 goto out;
1936
1937 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
1938
1939 pa->code = (__le32 *)fw->data;
1940 pa->size = fw->size / FW_OPCODE_SIZE;
1941 }
1942 version[RTL_VER_SIZE - 1] = 0;
1943
1944 rc = true;
1945 out:
1946 return rc;
1947 }
1948
1949 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
1950 struct rtl_fw_phy_action *pa)
1951 {
1952 bool rc = false;
1953 size_t index;
1954
1955 for (index = 0; index < pa->size; index++) {
1956 u32 action = le32_to_cpu(pa->code[index]);
1957 u32 regno = (action & 0x0fff0000) >> 16;
1958
1959 switch(action & 0xf0000000) {
1960 case PHY_READ:
1961 case PHY_DATA_OR:
1962 case PHY_DATA_AND:
1963 case PHY_READ_EFUSE:
1964 case PHY_CLEAR_READCOUNT:
1965 case PHY_WRITE:
1966 case PHY_WRITE_PREVIOUS:
1967 case PHY_DELAY_MS:
1968 break;
1969
1970 case PHY_BJMPN:
1971 if (regno > index) {
1972 netif_err(tp, ifup, tp->dev,
1973 "Out of range of firmware\n");
1974 goto out;
1975 }
1976 break;
1977 case PHY_READCOUNT_EQ_SKIP:
1978 if (index + 2 >= pa->size) {
1979 netif_err(tp, ifup, tp->dev,
1980 "Out of range of firmware\n");
1981 goto out;
1982 }
1983 break;
1984 case PHY_COMP_EQ_SKIPN:
1985 case PHY_COMP_NEQ_SKIPN:
1986 case PHY_SKIPN:
1987 if (index + 1 + regno >= pa->size) {
1988 netif_err(tp, ifup, tp->dev,
1989 "Out of range of firmware\n");
1990 goto out;
1991 }
1992 break;
1993
1994 case PHY_READ_MAC_BYTE:
1995 case PHY_WRITE_MAC_BYTE:
1996 case PHY_WRITE_ERI_WORD:
1997 default:
1998 netif_err(tp, ifup, tp->dev,
1999 "Invalid action 0x%08x\n", action);
2000 goto out;
2001 }
2002 }
2003 rc = true;
2004 out:
2005 return rc;
2006 }
2007
2008 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2009 {
2010 struct net_device *dev = tp->dev;
2011 int rc = -EINVAL;
2012
2013 if (!rtl_fw_format_ok(tp, rtl_fw)) {
2014 netif_err(tp, ifup, dev, "invalid firwmare\n");
2015 goto out;
2016 }
2017
2018 if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
2019 rc = 0;
2020 out:
2021 return rc;
2022 }
2023
2024 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2025 {
2026 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2027 u32 predata, count;
2028 size_t index;
2029
2030 predata = count = 0;
2031
2032 for (index = 0; index < pa->size; ) {
2033 u32 action = le32_to_cpu(pa->code[index]);
2034 u32 data = action & 0x0000ffff;
2035 u32 regno = (action & 0x0fff0000) >> 16;
2036
2037 if (!action)
2038 break;
2039
2040 switch(action & 0xf0000000) {
2041 case PHY_READ:
2042 predata = rtl_readphy(tp, regno);
2043 count++;
2044 index++;
2045 break;
2046 case PHY_DATA_OR:
2047 predata |= data;
2048 index++;
2049 break;
2050 case PHY_DATA_AND:
2051 predata &= data;
2052 index++;
2053 break;
2054 case PHY_BJMPN:
2055 index -= regno;
2056 break;
2057 case PHY_READ_EFUSE:
2058 predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
2059 index++;
2060 break;
2061 case PHY_CLEAR_READCOUNT:
2062 count = 0;
2063 index++;
2064 break;
2065 case PHY_WRITE:
2066 rtl_writephy(tp, regno, data);
2067 index++;
2068 break;
2069 case PHY_READCOUNT_EQ_SKIP:
2070 index += (count == data) ? 2 : 1;
2071 break;
2072 case PHY_COMP_EQ_SKIPN:
2073 if (predata == data)
2074 index += regno;
2075 index++;
2076 break;
2077 case PHY_COMP_NEQ_SKIPN:
2078 if (predata != data)
2079 index += regno;
2080 index++;
2081 break;
2082 case PHY_WRITE_PREVIOUS:
2083 rtl_writephy(tp, regno, predata);
2084 index++;
2085 break;
2086 case PHY_SKIPN:
2087 index += regno + 1;
2088 break;
2089 case PHY_DELAY_MS:
2090 mdelay(data);
2091 index++;
2092 break;
2093
2094 case PHY_READ_MAC_BYTE:
2095 case PHY_WRITE_MAC_BYTE:
2096 case PHY_WRITE_ERI_WORD:
2097 default:
2098 BUG();
2099 }
2100 }
2101 }
2102
2103 static void rtl_release_firmware(struct rtl8169_private *tp)
2104 {
2105 if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2106 release_firmware(tp->rtl_fw->fw);
2107 kfree(tp->rtl_fw);
2108 }
2109 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2110 }
2111
2112 static void rtl_apply_firmware(struct rtl8169_private *tp)
2113 {
2114 struct rtl_fw *rtl_fw = tp->rtl_fw;
2115
2116 /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2117 if (!IS_ERR_OR_NULL(rtl_fw))
2118 rtl_phy_write_fw(tp, rtl_fw);
2119 }
2120
2121 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2122 {
2123 if (rtl_readphy(tp, reg) != val)
2124 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2125 else
2126 rtl_apply_firmware(tp);
2127 }
2128
2129 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2130 {
2131 static const struct phy_reg phy_reg_init[] = {
2132 { 0x1f, 0x0001 },
2133 { 0x06, 0x006e },
2134 { 0x08, 0x0708 },
2135 { 0x15, 0x4000 },
2136 { 0x18, 0x65c7 },
2137
2138 { 0x1f, 0x0001 },
2139 { 0x03, 0x00a1 },
2140 { 0x02, 0x0008 },
2141 { 0x01, 0x0120 },
2142 { 0x00, 0x1000 },
2143 { 0x04, 0x0800 },
2144 { 0x04, 0x0000 },
2145
2146 { 0x03, 0xff41 },
2147 { 0x02, 0xdf60 },
2148 { 0x01, 0x0140 },
2149 { 0x00, 0x0077 },
2150 { 0x04, 0x7800 },
2151 { 0x04, 0x7000 },
2152
2153 { 0x03, 0x802f },
2154 { 0x02, 0x4f02 },
2155 { 0x01, 0x0409 },
2156 { 0x00, 0xf0f9 },
2157 { 0x04, 0x9800 },
2158 { 0x04, 0x9000 },
2159
2160 { 0x03, 0xdf01 },
2161 { 0x02, 0xdf20 },
2162 { 0x01, 0xff95 },
2163 { 0x00, 0xba00 },
2164 { 0x04, 0xa800 },
2165 { 0x04, 0xa000 },
2166
2167 { 0x03, 0xff41 },
2168 { 0x02, 0xdf20 },
2169 { 0x01, 0x0140 },
2170 { 0x00, 0x00bb },
2171 { 0x04, 0xb800 },
2172 { 0x04, 0xb000 },
2173
2174 { 0x03, 0xdf41 },
2175 { 0x02, 0xdc60 },
2176 { 0x01, 0x6340 },
2177 { 0x00, 0x007d },
2178 { 0x04, 0xd800 },
2179 { 0x04, 0xd000 },
2180
2181 { 0x03, 0xdf01 },
2182 { 0x02, 0xdf20 },
2183 { 0x01, 0x100a },
2184 { 0x00, 0xa0ff },
2185 { 0x04, 0xf800 },
2186 { 0x04, 0xf000 },
2187
2188 { 0x1f, 0x0000 },
2189 { 0x0b, 0x0000 },
2190 { 0x00, 0x9200 }
2191 };
2192
2193 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2194 }
2195
2196 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2197 {
2198 static const struct phy_reg phy_reg_init[] = {
2199 { 0x1f, 0x0002 },
2200 { 0x01, 0x90d0 },
2201 { 0x1f, 0x0000 }
2202 };
2203
2204 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2205 }
2206
2207 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2208 {
2209 struct pci_dev *pdev = tp->pci_dev;
2210
2211 if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2212 (pdev->subsystem_device != 0xe000))
2213 return;
2214
2215 rtl_writephy(tp, 0x1f, 0x0001);
2216 rtl_writephy(tp, 0x10, 0xf01b);
2217 rtl_writephy(tp, 0x1f, 0x0000);
2218 }
2219
2220 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2221 {
2222 static const struct phy_reg phy_reg_init[] = {
2223 { 0x1f, 0x0001 },
2224 { 0x04, 0x0000 },
2225 { 0x03, 0x00a1 },
2226 { 0x02, 0x0008 },
2227 { 0x01, 0x0120 },
2228 { 0x00, 0x1000 },
2229 { 0x04, 0x0800 },
2230 { 0x04, 0x9000 },
2231 { 0x03, 0x802f },
2232 { 0x02, 0x4f02 },
2233 { 0x01, 0x0409 },
2234 { 0x00, 0xf099 },
2235 { 0x04, 0x9800 },
2236 { 0x04, 0xa000 },
2237 { 0x03, 0xdf01 },
2238 { 0x02, 0xdf20 },
2239 { 0x01, 0xff95 },
2240 { 0x00, 0xba00 },
2241 { 0x04, 0xa800 },
2242 { 0x04, 0xf000 },
2243 { 0x03, 0xdf01 },
2244 { 0x02, 0xdf20 },
2245 { 0x01, 0x101a },
2246 { 0x00, 0xa0ff },
2247 { 0x04, 0xf800 },
2248 { 0x04, 0x0000 },
2249 { 0x1f, 0x0000 },
2250
2251 { 0x1f, 0x0001 },
2252 { 0x10, 0xf41b },
2253 { 0x14, 0xfb54 },
2254 { 0x18, 0xf5c7 },
2255 { 0x1f, 0x0000 },
2256
2257 { 0x1f, 0x0001 },
2258 { 0x17, 0x0cc0 },
2259 { 0x1f, 0x0000 }
2260 };
2261
2262 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2263
2264 rtl8169scd_hw_phy_config_quirk(tp);
2265 }
2266
2267 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2268 {
2269 static const struct phy_reg phy_reg_init[] = {
2270 { 0x1f, 0x0001 },
2271 { 0x04, 0x0000 },
2272 { 0x03, 0x00a1 },
2273 { 0x02, 0x0008 },
2274 { 0x01, 0x0120 },
2275 { 0x00, 0x1000 },
2276 { 0x04, 0x0800 },
2277 { 0x04, 0x9000 },
2278 { 0x03, 0x802f },
2279 { 0x02, 0x4f02 },
2280 { 0x01, 0x0409 },
2281 { 0x00, 0xf099 },
2282 { 0x04, 0x9800 },
2283 { 0x04, 0xa000 },
2284 { 0x03, 0xdf01 },
2285 { 0x02, 0xdf20 },
2286 { 0x01, 0xff95 },
2287 { 0x00, 0xba00 },
2288 { 0x04, 0xa800 },
2289 { 0x04, 0xf000 },
2290 { 0x03, 0xdf01 },
2291 { 0x02, 0xdf20 },
2292 { 0x01, 0x101a },
2293 { 0x00, 0xa0ff },
2294 { 0x04, 0xf800 },
2295 { 0x04, 0x0000 },
2296 { 0x1f, 0x0000 },
2297
2298 { 0x1f, 0x0001 },
2299 { 0x0b, 0x8480 },
2300 { 0x1f, 0x0000 },
2301
2302 { 0x1f, 0x0001 },
2303 { 0x18, 0x67c7 },
2304 { 0x04, 0x2000 },
2305 { 0x03, 0x002f },
2306 { 0x02, 0x4360 },
2307 { 0x01, 0x0109 },
2308 { 0x00, 0x3022 },
2309 { 0x04, 0x2800 },
2310 { 0x1f, 0x0000 },
2311
2312 { 0x1f, 0x0001 },
2313 { 0x17, 0x0cc0 },
2314 { 0x1f, 0x0000 }
2315 };
2316
2317 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2318 }
2319
2320 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2321 {
2322 static const struct phy_reg phy_reg_init[] = {
2323 { 0x10, 0xf41b },
2324 { 0x1f, 0x0000 }
2325 };
2326
2327 rtl_writephy(tp, 0x1f, 0x0001);
2328 rtl_patchphy(tp, 0x16, 1 << 0);
2329
2330 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2331 }
2332
2333 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2334 {
2335 static const struct phy_reg phy_reg_init[] = {
2336 { 0x1f, 0x0001 },
2337 { 0x10, 0xf41b },
2338 { 0x1f, 0x0000 }
2339 };
2340
2341 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2342 }
2343
2344 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2345 {
2346 static const struct phy_reg phy_reg_init[] = {
2347 { 0x1f, 0x0000 },
2348 { 0x1d, 0x0f00 },
2349 { 0x1f, 0x0002 },
2350 { 0x0c, 0x1ec8 },
2351 { 0x1f, 0x0000 }
2352 };
2353
2354 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2355 }
2356
2357 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2358 {
2359 static const struct phy_reg phy_reg_init[] = {
2360 { 0x1f, 0x0001 },
2361 { 0x1d, 0x3d98 },
2362 { 0x1f, 0x0000 }
2363 };
2364
2365 rtl_writephy(tp, 0x1f, 0x0000);
2366 rtl_patchphy(tp, 0x14, 1 << 5);
2367 rtl_patchphy(tp, 0x0d, 1 << 5);
2368
2369 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2370 }
2371
2372 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2373 {
2374 static const struct phy_reg phy_reg_init[] = {
2375 { 0x1f, 0x0001 },
2376 { 0x12, 0x2300 },
2377 { 0x1f, 0x0002 },
2378 { 0x00, 0x88d4 },
2379 { 0x01, 0x82b1 },
2380 { 0x03, 0x7002 },
2381 { 0x08, 0x9e30 },
2382 { 0x09, 0x01f0 },
2383 { 0x0a, 0x5500 },
2384 { 0x0c, 0x00c8 },
2385 { 0x1f, 0x0003 },
2386 { 0x12, 0xc096 },
2387 { 0x16, 0x000a },
2388 { 0x1f, 0x0000 },
2389 { 0x1f, 0x0000 },
2390 { 0x09, 0x2000 },
2391 { 0x09, 0x0000 }
2392 };
2393
2394 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2395
2396 rtl_patchphy(tp, 0x14, 1 << 5);
2397 rtl_patchphy(tp, 0x0d, 1 << 5);
2398 rtl_writephy(tp, 0x1f, 0x0000);
2399 }
2400
2401 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2402 {
2403 static const struct phy_reg phy_reg_init[] = {
2404 { 0x1f, 0x0001 },
2405 { 0x12, 0x2300 },
2406 { 0x03, 0x802f },
2407 { 0x02, 0x4f02 },
2408 { 0x01, 0x0409 },
2409 { 0x00, 0xf099 },
2410 { 0x04, 0x9800 },
2411 { 0x04, 0x9000 },
2412 { 0x1d, 0x3d98 },
2413 { 0x1f, 0x0002 },
2414 { 0x0c, 0x7eb8 },
2415 { 0x06, 0x0761 },
2416 { 0x1f, 0x0003 },
2417 { 0x16, 0x0f0a },
2418 { 0x1f, 0x0000 }
2419 };
2420
2421 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2422
2423 rtl_patchphy(tp, 0x16, 1 << 0);
2424 rtl_patchphy(tp, 0x14, 1 << 5);
2425 rtl_patchphy(tp, 0x0d, 1 << 5);
2426 rtl_writephy(tp, 0x1f, 0x0000);
2427 }
2428
2429 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2430 {
2431 static const struct phy_reg phy_reg_init[] = {
2432 { 0x1f, 0x0001 },
2433 { 0x12, 0x2300 },
2434 { 0x1d, 0x3d98 },
2435 { 0x1f, 0x0002 },
2436 { 0x0c, 0x7eb8 },
2437 { 0x06, 0x5461 },
2438 { 0x1f, 0x0003 },
2439 { 0x16, 0x0f0a },
2440 { 0x1f, 0x0000 }
2441 };
2442
2443 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2444
2445 rtl_patchphy(tp, 0x16, 1 << 0);
2446 rtl_patchphy(tp, 0x14, 1 << 5);
2447 rtl_patchphy(tp, 0x0d, 1 << 5);
2448 rtl_writephy(tp, 0x1f, 0x0000);
2449 }
2450
2451 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2452 {
2453 rtl8168c_3_hw_phy_config(tp);
2454 }
2455
2456 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2457 {
2458 static const struct phy_reg phy_reg_init_0[] = {
2459 /* Channel Estimation */
2460 { 0x1f, 0x0001 },
2461 { 0x06, 0x4064 },
2462 { 0x07, 0x2863 },
2463 { 0x08, 0x059c },
2464 { 0x09, 0x26b4 },
2465 { 0x0a, 0x6a19 },
2466 { 0x0b, 0xdcc8 },
2467 { 0x10, 0xf06d },
2468 { 0x14, 0x7f68 },
2469 { 0x18, 0x7fd9 },
2470 { 0x1c, 0xf0ff },
2471 { 0x1d, 0x3d9c },
2472 { 0x1f, 0x0003 },
2473 { 0x12, 0xf49f },
2474 { 0x13, 0x070b },
2475 { 0x1a, 0x05ad },
2476 { 0x14, 0x94c0 },
2477
2478 /*
2479 * Tx Error Issue
2480 * Enhance line driver power
2481 */
2482 { 0x1f, 0x0002 },
2483 { 0x06, 0x5561 },
2484 { 0x1f, 0x0005 },
2485 { 0x05, 0x8332 },
2486 { 0x06, 0x5561 },
2487
2488 /*
2489 * Can not link to 1Gbps with bad cable
2490 * Decrease SNR threshold form 21.07dB to 19.04dB
2491 */
2492 { 0x1f, 0x0001 },
2493 { 0x17, 0x0cc0 },
2494
2495 { 0x1f, 0x0000 },
2496 { 0x0d, 0xf880 }
2497 };
2498 void __iomem *ioaddr = tp->mmio_addr;
2499
2500 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2501
2502 /*
2503 * Rx Error Issue
2504 * Fine Tune Switching regulator parameter
2505 */
2506 rtl_writephy(tp, 0x1f, 0x0002);
2507 rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2508 rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2509
2510 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2511 static const struct phy_reg phy_reg_init[] = {
2512 { 0x1f, 0x0002 },
2513 { 0x05, 0x669a },
2514 { 0x1f, 0x0005 },
2515 { 0x05, 0x8330 },
2516 { 0x06, 0x669a },
2517 { 0x1f, 0x0002 }
2518 };
2519 int val;
2520
2521 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2522
2523 val = rtl_readphy(tp, 0x0d);
2524
2525 if ((val & 0x00ff) != 0x006c) {
2526 static const u32 set[] = {
2527 0x0065, 0x0066, 0x0067, 0x0068,
2528 0x0069, 0x006a, 0x006b, 0x006c
2529 };
2530 int i;
2531
2532 rtl_writephy(tp, 0x1f, 0x0002);
2533
2534 val &= 0xff00;
2535 for (i = 0; i < ARRAY_SIZE(set); i++)
2536 rtl_writephy(tp, 0x0d, val | set[i]);
2537 }
2538 } else {
2539 static const struct phy_reg phy_reg_init[] = {
2540 { 0x1f, 0x0002 },
2541 { 0x05, 0x6662 },
2542 { 0x1f, 0x0005 },
2543 { 0x05, 0x8330 },
2544 { 0x06, 0x6662 }
2545 };
2546
2547 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2548 }
2549
2550 /* RSET couple improve */
2551 rtl_writephy(tp, 0x1f, 0x0002);
2552 rtl_patchphy(tp, 0x0d, 0x0300);
2553 rtl_patchphy(tp, 0x0f, 0x0010);
2554
2555 /* Fine tune PLL performance */
2556 rtl_writephy(tp, 0x1f, 0x0002);
2557 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2558 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2559
2560 rtl_writephy(tp, 0x1f, 0x0005);
2561 rtl_writephy(tp, 0x05, 0x001b);
2562
2563 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2564
2565 rtl_writephy(tp, 0x1f, 0x0000);
2566 }
2567
2568 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2569 {
2570 static const struct phy_reg phy_reg_init_0[] = {
2571 /* Channel Estimation */
2572 { 0x1f, 0x0001 },
2573 { 0x06, 0x4064 },
2574 { 0x07, 0x2863 },
2575 { 0x08, 0x059c },
2576 { 0x09, 0x26b4 },
2577 { 0x0a, 0x6a19 },
2578 { 0x0b, 0xdcc8 },
2579 { 0x10, 0xf06d },
2580 { 0x14, 0x7f68 },
2581 { 0x18, 0x7fd9 },
2582 { 0x1c, 0xf0ff },
2583 { 0x1d, 0x3d9c },
2584 { 0x1f, 0x0003 },
2585 { 0x12, 0xf49f },
2586 { 0x13, 0x070b },
2587 { 0x1a, 0x05ad },
2588 { 0x14, 0x94c0 },
2589
2590 /*
2591 * Tx Error Issue
2592 * Enhance line driver power
2593 */
2594 { 0x1f, 0x0002 },
2595 { 0x06, 0x5561 },
2596 { 0x1f, 0x0005 },
2597 { 0x05, 0x8332 },
2598 { 0x06, 0x5561 },
2599
2600 /*
2601 * Can not link to 1Gbps with bad cable
2602 * Decrease SNR threshold form 21.07dB to 19.04dB
2603 */
2604 { 0x1f, 0x0001 },
2605 { 0x17, 0x0cc0 },
2606
2607 { 0x1f, 0x0000 },
2608 { 0x0d, 0xf880 }
2609 };
2610 void __iomem *ioaddr = tp->mmio_addr;
2611
2612 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2613
2614 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2615 static const struct phy_reg phy_reg_init[] = {
2616 { 0x1f, 0x0002 },
2617 { 0x05, 0x669a },
2618 { 0x1f, 0x0005 },
2619 { 0x05, 0x8330 },
2620 { 0x06, 0x669a },
2621
2622 { 0x1f, 0x0002 }
2623 };
2624 int val;
2625
2626 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2627
2628 val = rtl_readphy(tp, 0x0d);
2629 if ((val & 0x00ff) != 0x006c) {
2630 static const u32 set[] = {
2631 0x0065, 0x0066, 0x0067, 0x0068,
2632 0x0069, 0x006a, 0x006b, 0x006c
2633 };
2634 int i;
2635
2636 rtl_writephy(tp, 0x1f, 0x0002);
2637
2638 val &= 0xff00;
2639 for (i = 0; i < ARRAY_SIZE(set); i++)
2640 rtl_writephy(tp, 0x0d, val | set[i]);
2641 }
2642 } else {
2643 static const struct phy_reg phy_reg_init[] = {
2644 { 0x1f, 0x0002 },
2645 { 0x05, 0x2642 },
2646 { 0x1f, 0x0005 },
2647 { 0x05, 0x8330 },
2648 { 0x06, 0x2642 }
2649 };
2650
2651 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2652 }
2653
2654 /* Fine tune PLL performance */
2655 rtl_writephy(tp, 0x1f, 0x0002);
2656 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2657 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2658
2659 /* Switching regulator Slew rate */
2660 rtl_writephy(tp, 0x1f, 0x0002);
2661 rtl_patchphy(tp, 0x0f, 0x0017);
2662
2663 rtl_writephy(tp, 0x1f, 0x0005);
2664 rtl_writephy(tp, 0x05, 0x001b);
2665
2666 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2667
2668 rtl_writephy(tp, 0x1f, 0x0000);
2669 }
2670
2671 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2672 {
2673 static const struct phy_reg phy_reg_init[] = {
2674 { 0x1f, 0x0002 },
2675 { 0x10, 0x0008 },
2676 { 0x0d, 0x006c },
2677
2678 { 0x1f, 0x0000 },
2679 { 0x0d, 0xf880 },
2680
2681 { 0x1f, 0x0001 },
2682 { 0x17, 0x0cc0 },
2683
2684 { 0x1f, 0x0001 },
2685 { 0x0b, 0xa4d8 },
2686 { 0x09, 0x281c },
2687 { 0x07, 0x2883 },
2688 { 0x0a, 0x6b35 },
2689 { 0x1d, 0x3da4 },
2690 { 0x1c, 0xeffd },
2691 { 0x14, 0x7f52 },
2692 { 0x18, 0x7fc6 },
2693 { 0x08, 0x0601 },
2694 { 0x06, 0x4063 },
2695 { 0x10, 0xf074 },
2696 { 0x1f, 0x0003 },
2697 { 0x13, 0x0789 },
2698 { 0x12, 0xf4bd },
2699 { 0x1a, 0x04fd },
2700 { 0x14, 0x84b0 },
2701 { 0x1f, 0x0000 },
2702 { 0x00, 0x9200 },
2703
2704 { 0x1f, 0x0005 },
2705 { 0x01, 0x0340 },
2706 { 0x1f, 0x0001 },
2707 { 0x04, 0x4000 },
2708 { 0x03, 0x1d21 },
2709 { 0x02, 0x0c32 },
2710 { 0x01, 0x0200 },
2711 { 0x00, 0x5554 },
2712 { 0x04, 0x4800 },
2713 { 0x04, 0x4000 },
2714 { 0x04, 0xf000 },
2715 { 0x03, 0xdf01 },
2716 { 0x02, 0xdf20 },
2717 { 0x01, 0x101a },
2718 { 0x00, 0xa0ff },
2719 { 0x04, 0xf800 },
2720 { 0x04, 0xf000 },
2721 { 0x1f, 0x0000 },
2722
2723 { 0x1f, 0x0007 },
2724 { 0x1e, 0x0023 },
2725 { 0x16, 0x0000 },
2726 { 0x1f, 0x0000 }
2727 };
2728
2729 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2730 }
2731
2732 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2733 {
2734 static const struct phy_reg phy_reg_init[] = {
2735 { 0x1f, 0x0001 },
2736 { 0x17, 0x0cc0 },
2737
2738 { 0x1f, 0x0007 },
2739 { 0x1e, 0x002d },
2740 { 0x18, 0x0040 },
2741 { 0x1f, 0x0000 }
2742 };
2743
2744 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2745 rtl_patchphy(tp, 0x0d, 1 << 5);
2746 }
2747
2748 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2749 {
2750 static const struct phy_reg phy_reg_init[] = {
2751 /* Enable Delay cap */
2752 { 0x1f, 0x0005 },
2753 { 0x05, 0x8b80 },
2754 { 0x06, 0xc896 },
2755 { 0x1f, 0x0000 },
2756
2757 /* Channel estimation fine tune */
2758 { 0x1f, 0x0001 },
2759 { 0x0b, 0x6c20 },
2760 { 0x07, 0x2872 },
2761 { 0x1c, 0xefff },
2762 { 0x1f, 0x0003 },
2763 { 0x14, 0x6420 },
2764 { 0x1f, 0x0000 },
2765
2766 /* Update PFM & 10M TX idle timer */
2767 { 0x1f, 0x0007 },
2768 { 0x1e, 0x002f },
2769 { 0x15, 0x1919 },
2770 { 0x1f, 0x0000 },
2771
2772 { 0x1f, 0x0007 },
2773 { 0x1e, 0x00ac },
2774 { 0x18, 0x0006 },
2775 { 0x1f, 0x0000 }
2776 };
2777
2778 rtl_apply_firmware(tp);
2779
2780 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2781
2782 /* DCO enable for 10M IDLE Power */
2783 rtl_writephy(tp, 0x1f, 0x0007);
2784 rtl_writephy(tp, 0x1e, 0x0023);
2785 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2786 rtl_writephy(tp, 0x1f, 0x0000);
2787
2788 /* For impedance matching */
2789 rtl_writephy(tp, 0x1f, 0x0002);
2790 rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2791 rtl_writephy(tp, 0x1f, 0x0000);
2792
2793 /* PHY auto speed down */
2794 rtl_writephy(tp, 0x1f, 0x0007);
2795 rtl_writephy(tp, 0x1e, 0x002d);
2796 rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2797 rtl_writephy(tp, 0x1f, 0x0000);
2798 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2799
2800 rtl_writephy(tp, 0x1f, 0x0005);
2801 rtl_writephy(tp, 0x05, 0x8b86);
2802 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2803 rtl_writephy(tp, 0x1f, 0x0000);
2804
2805 rtl_writephy(tp, 0x1f, 0x0005);
2806 rtl_writephy(tp, 0x05, 0x8b85);
2807 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2808 rtl_writephy(tp, 0x1f, 0x0007);
2809 rtl_writephy(tp, 0x1e, 0x0020);
2810 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2811 rtl_writephy(tp, 0x1f, 0x0006);
2812 rtl_writephy(tp, 0x00, 0x5a00);
2813 rtl_writephy(tp, 0x1f, 0x0000);
2814 rtl_writephy(tp, 0x0d, 0x0007);
2815 rtl_writephy(tp, 0x0e, 0x003c);
2816 rtl_writephy(tp, 0x0d, 0x4007);
2817 rtl_writephy(tp, 0x0e, 0x0000);
2818 rtl_writephy(tp, 0x0d, 0x0000);
2819 }
2820
2821 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2822 {
2823 static const struct phy_reg phy_reg_init[] = {
2824 /* Enable Delay cap */
2825 { 0x1f, 0x0004 },
2826 { 0x1f, 0x0007 },
2827 { 0x1e, 0x00ac },
2828 { 0x18, 0x0006 },
2829 { 0x1f, 0x0002 },
2830 { 0x1f, 0x0000 },
2831 { 0x1f, 0x0000 },
2832
2833 /* Channel estimation fine tune */
2834 { 0x1f, 0x0003 },
2835 { 0x09, 0xa20f },
2836 { 0x1f, 0x0000 },
2837 { 0x1f, 0x0000 },
2838
2839 /* Green Setting */
2840 { 0x1f, 0x0005 },
2841 { 0x05, 0x8b5b },
2842 { 0x06, 0x9222 },
2843 { 0x05, 0x8b6d },
2844 { 0x06, 0x8000 },
2845 { 0x05, 0x8b76 },
2846 { 0x06, 0x8000 },
2847 { 0x1f, 0x0000 }
2848 };
2849
2850 rtl_apply_firmware(tp);
2851
2852 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2853
2854 /* For 4-corner performance improve */
2855 rtl_writephy(tp, 0x1f, 0x0005);
2856 rtl_writephy(tp, 0x05, 0x8b80);
2857 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2858 rtl_writephy(tp, 0x1f, 0x0000);
2859
2860 /* PHY auto speed down */
2861 rtl_writephy(tp, 0x1f, 0x0004);
2862 rtl_writephy(tp, 0x1f, 0x0007);
2863 rtl_writephy(tp, 0x1e, 0x002d);
2864 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2865 rtl_writephy(tp, 0x1f, 0x0002);
2866 rtl_writephy(tp, 0x1f, 0x0000);
2867 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2868
2869 /* improve 10M EEE waveform */
2870 rtl_writephy(tp, 0x1f, 0x0005);
2871 rtl_writephy(tp, 0x05, 0x8b86);
2872 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2873 rtl_writephy(tp, 0x1f, 0x0000);
2874
2875 /* Improve 2-pair detection performance */
2876 rtl_writephy(tp, 0x1f, 0x0005);
2877 rtl_writephy(tp, 0x05, 0x8b85);
2878 rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
2879 rtl_writephy(tp, 0x1f, 0x0000);
2880
2881 /* EEE setting */
2882 rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
2883 ERIAR_EXGMAC);
2884 rtl_writephy(tp, 0x1f, 0x0005);
2885 rtl_writephy(tp, 0x05, 0x8b85);
2886 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2887 rtl_writephy(tp, 0x1f, 0x0004);
2888 rtl_writephy(tp, 0x1f, 0x0007);
2889 rtl_writephy(tp, 0x1e, 0x0020);
2890 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
2891 rtl_writephy(tp, 0x1f, 0x0002);
2892 rtl_writephy(tp, 0x1f, 0x0000);
2893 rtl_writephy(tp, 0x0d, 0x0007);
2894 rtl_writephy(tp, 0x0e, 0x003c);
2895 rtl_writephy(tp, 0x0d, 0x4007);
2896 rtl_writephy(tp, 0x0e, 0x0000);
2897 rtl_writephy(tp, 0x0d, 0x0000);
2898
2899 /* Green feature */
2900 rtl_writephy(tp, 0x1f, 0x0003);
2901 rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
2902 rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
2903 rtl_writephy(tp, 0x1f, 0x0000);
2904 }
2905
2906 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
2907 {
2908 static const struct phy_reg phy_reg_init[] = {
2909 /* Channel estimation fine tune */
2910 { 0x1f, 0x0003 },
2911 { 0x09, 0xa20f },
2912 { 0x1f, 0x0000 },
2913
2914 /* Modify green table for giga & fnet */
2915 { 0x1f, 0x0005 },
2916 { 0x05, 0x8b55 },
2917 { 0x06, 0x0000 },
2918 { 0x05, 0x8b5e },
2919 { 0x06, 0x0000 },
2920 { 0x05, 0x8b67 },
2921 { 0x06, 0x0000 },
2922 { 0x05, 0x8b70 },
2923 { 0x06, 0x0000 },
2924 { 0x1f, 0x0000 },
2925 { 0x1f, 0x0007 },
2926 { 0x1e, 0x0078 },
2927 { 0x17, 0x0000 },
2928 { 0x19, 0x00fb },
2929 { 0x1f, 0x0000 },
2930
2931 /* Modify green table for 10M */
2932 { 0x1f, 0x0005 },
2933 { 0x05, 0x8b79 },
2934 { 0x06, 0xaa00 },
2935 { 0x1f, 0x0000 },
2936
2937 /* Disable hiimpedance detection (RTCT) */
2938 { 0x1f, 0x0003 },
2939 { 0x01, 0x328a },
2940 { 0x1f, 0x0000 }
2941 };
2942
2943 rtl_apply_firmware(tp);
2944
2945 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2946
2947 /* For 4-corner performance improve */
2948 rtl_writephy(tp, 0x1f, 0x0005);
2949 rtl_writephy(tp, 0x05, 0x8b80);
2950 rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
2951 rtl_writephy(tp, 0x1f, 0x0000);
2952
2953 /* PHY auto speed down */
2954 rtl_writephy(tp, 0x1f, 0x0007);
2955 rtl_writephy(tp, 0x1e, 0x002d);
2956 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2957 rtl_writephy(tp, 0x1f, 0x0000);
2958 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2959
2960 /* Improve 10M EEE waveform */
2961 rtl_writephy(tp, 0x1f, 0x0005);
2962 rtl_writephy(tp, 0x05, 0x8b86);
2963 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2964 rtl_writephy(tp, 0x1f, 0x0000);
2965
2966 /* Improve 2-pair detection performance */
2967 rtl_writephy(tp, 0x1f, 0x0005);
2968 rtl_writephy(tp, 0x05, 0x8b85);
2969 rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
2970 rtl_writephy(tp, 0x1f, 0x0000);
2971 }
2972
2973 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
2974 {
2975 rtl_apply_firmware(tp);
2976
2977 /* For 4-corner performance improve */
2978 rtl_writephy(tp, 0x1f, 0x0005);
2979 rtl_writephy(tp, 0x05, 0x8b80);
2980 rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
2981 rtl_writephy(tp, 0x1f, 0x0000);
2982
2983 /* PHY auto speed down */
2984 rtl_writephy(tp, 0x1f, 0x0007);
2985 rtl_writephy(tp, 0x1e, 0x002d);
2986 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2987 rtl_writephy(tp, 0x1f, 0x0000);
2988 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2989
2990 /* Improve 10M EEE waveform */
2991 rtl_writephy(tp, 0x1f, 0x0005);
2992 rtl_writephy(tp, 0x05, 0x8b86);
2993 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2994 rtl_writephy(tp, 0x1f, 0x0000);
2995 }
2996
2997 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2998 {
2999 static const struct phy_reg phy_reg_init[] = {
3000 { 0x1f, 0x0003 },
3001 { 0x08, 0x441d },
3002 { 0x01, 0x9100 },
3003 { 0x1f, 0x0000 }
3004 };
3005
3006 rtl_writephy(tp, 0x1f, 0x0000);
3007 rtl_patchphy(tp, 0x11, 1 << 12);
3008 rtl_patchphy(tp, 0x19, 1 << 13);
3009 rtl_patchphy(tp, 0x10, 1 << 15);
3010
3011 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3012 }
3013
3014 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3015 {
3016 static const struct phy_reg phy_reg_init[] = {
3017 { 0x1f, 0x0005 },
3018 { 0x1a, 0x0000 },
3019 { 0x1f, 0x0000 },
3020
3021 { 0x1f, 0x0004 },
3022 { 0x1c, 0x0000 },
3023 { 0x1f, 0x0000 },
3024
3025 { 0x1f, 0x0001 },
3026 { 0x15, 0x7701 },
3027 { 0x1f, 0x0000 }
3028 };
3029
3030 /* Disable ALDPS before ram code */
3031 rtl_writephy(tp, 0x1f, 0x0000);
3032 rtl_writephy(tp, 0x18, 0x0310);
3033 msleep(100);
3034
3035 rtl_apply_firmware(tp);
3036
3037 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3038 }
3039
3040 static void rtl_hw_phy_config(struct net_device *dev)
3041 {
3042 struct rtl8169_private *tp = netdev_priv(dev);
3043
3044 rtl8169_print_mac_version(tp);
3045
3046 switch (tp->mac_version) {
3047 case RTL_GIGA_MAC_VER_01:
3048 break;
3049 case RTL_GIGA_MAC_VER_02:
3050 case RTL_GIGA_MAC_VER_03:
3051 rtl8169s_hw_phy_config(tp);
3052 break;
3053 case RTL_GIGA_MAC_VER_04:
3054 rtl8169sb_hw_phy_config(tp);
3055 break;
3056 case RTL_GIGA_MAC_VER_05:
3057 rtl8169scd_hw_phy_config(tp);
3058 break;
3059 case RTL_GIGA_MAC_VER_06:
3060 rtl8169sce_hw_phy_config(tp);
3061 break;
3062 case RTL_GIGA_MAC_VER_07:
3063 case RTL_GIGA_MAC_VER_08:
3064 case RTL_GIGA_MAC_VER_09:
3065 rtl8102e_hw_phy_config(tp);
3066 break;
3067 case RTL_GIGA_MAC_VER_11:
3068 rtl8168bb_hw_phy_config(tp);
3069 break;
3070 case RTL_GIGA_MAC_VER_12:
3071 rtl8168bef_hw_phy_config(tp);
3072 break;
3073 case RTL_GIGA_MAC_VER_17:
3074 rtl8168bef_hw_phy_config(tp);
3075 break;
3076 case RTL_GIGA_MAC_VER_18:
3077 rtl8168cp_1_hw_phy_config(tp);
3078 break;
3079 case RTL_GIGA_MAC_VER_19:
3080 rtl8168c_1_hw_phy_config(tp);
3081 break;
3082 case RTL_GIGA_MAC_VER_20:
3083 rtl8168c_2_hw_phy_config(tp);
3084 break;
3085 case RTL_GIGA_MAC_VER_21:
3086 rtl8168c_3_hw_phy_config(tp);
3087 break;
3088 case RTL_GIGA_MAC_VER_22:
3089 rtl8168c_4_hw_phy_config(tp);
3090 break;
3091 case RTL_GIGA_MAC_VER_23:
3092 case RTL_GIGA_MAC_VER_24:
3093 rtl8168cp_2_hw_phy_config(tp);
3094 break;
3095 case RTL_GIGA_MAC_VER_25:
3096 rtl8168d_1_hw_phy_config(tp);
3097 break;
3098 case RTL_GIGA_MAC_VER_26:
3099 rtl8168d_2_hw_phy_config(tp);
3100 break;
3101 case RTL_GIGA_MAC_VER_27:
3102 rtl8168d_3_hw_phy_config(tp);
3103 break;
3104 case RTL_GIGA_MAC_VER_28:
3105 rtl8168d_4_hw_phy_config(tp);
3106 break;
3107 case RTL_GIGA_MAC_VER_29:
3108 case RTL_GIGA_MAC_VER_30:
3109 rtl8105e_hw_phy_config(tp);
3110 break;
3111 case RTL_GIGA_MAC_VER_31:
3112 /* None. */
3113 break;
3114 case RTL_GIGA_MAC_VER_32:
3115 case RTL_GIGA_MAC_VER_33:
3116 rtl8168e_1_hw_phy_config(tp);
3117 break;
3118 case RTL_GIGA_MAC_VER_34:
3119 rtl8168e_2_hw_phy_config(tp);
3120 break;
3121 case RTL_GIGA_MAC_VER_35:
3122 rtl8168f_1_hw_phy_config(tp);
3123 break;
3124 case RTL_GIGA_MAC_VER_36:
3125 rtl8168f_2_hw_phy_config(tp);
3126 break;
3127
3128 default:
3129 break;
3130 }
3131 }
3132
3133 static void rtl8169_phy_timer(unsigned long __opaque)
3134 {
3135 struct net_device *dev = (struct net_device *)__opaque;
3136 struct rtl8169_private *tp = netdev_priv(dev);
3137 struct timer_list *timer = &tp->timer;
3138 void __iomem *ioaddr = tp->mmio_addr;
3139 unsigned long timeout = RTL8169_PHY_TIMEOUT;
3140
3141 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3142
3143 spin_lock_irq(&tp->lock);
3144
3145 if (tp->phy_reset_pending(tp)) {
3146 /*
3147 * A busy loop could burn quite a few cycles on nowadays CPU.
3148 * Let's delay the execution of the timer for a few ticks.
3149 */
3150 timeout = HZ/10;
3151 goto out_mod_timer;
3152 }
3153
3154 if (tp->link_ok(ioaddr))
3155 goto out_unlock;
3156
3157 netif_warn(tp, link, dev, "PHY reset until link up\n");
3158
3159 tp->phy_reset_enable(tp);
3160
3161 out_mod_timer:
3162 mod_timer(timer, jiffies + timeout);
3163 out_unlock:
3164 spin_unlock_irq(&tp->lock);
3165 }
3166
3167 #ifdef CONFIG_NET_POLL_CONTROLLER
3168 /*
3169 * Polling 'interrupt' - used by things like netconsole to send skbs
3170 * without having to re-enable interrupts. It's not called while
3171 * the interrupt routine is executing.
3172 */
3173 static void rtl8169_netpoll(struct net_device *dev)
3174 {
3175 struct rtl8169_private *tp = netdev_priv(dev);
3176 struct pci_dev *pdev = tp->pci_dev;
3177
3178 disable_irq(pdev->irq);
3179 rtl8169_interrupt(pdev->irq, dev);
3180 enable_irq(pdev->irq);
3181 }
3182 #endif
3183
3184 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3185 void __iomem *ioaddr)
3186 {
3187 iounmap(ioaddr);
3188 pci_release_regions(pdev);
3189 pci_clear_mwi(pdev);
3190 pci_disable_device(pdev);
3191 free_netdev(dev);
3192 }
3193
3194 static void rtl8169_phy_reset(struct net_device *dev,
3195 struct rtl8169_private *tp)
3196 {
3197 unsigned int i;
3198
3199 tp->phy_reset_enable(tp);
3200 for (i = 0; i < 100; i++) {
3201 if (!tp->phy_reset_pending(tp))
3202 return;
3203 msleep(1);
3204 }
3205 netif_err(tp, link, dev, "PHY reset failed\n");
3206 }
3207
3208 static bool rtl_tbi_enabled(struct rtl8169_private *tp)
3209 {
3210 void __iomem *ioaddr = tp->mmio_addr;
3211
3212 return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
3213 (RTL_R8(PHYstatus) & TBI_Enable);
3214 }
3215
3216 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3217 {
3218 void __iomem *ioaddr = tp->mmio_addr;
3219
3220 rtl_hw_phy_config(dev);
3221
3222 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3223 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3224 RTL_W8(0x82, 0x01);
3225 }
3226
3227 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3228
3229 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3230 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3231
3232 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3233 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3234 RTL_W8(0x82, 0x01);
3235 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3236 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3237 }
3238
3239 rtl8169_phy_reset(dev, tp);
3240
3241 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3242 ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3243 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3244 (tp->mii.supports_gmii ?
3245 ADVERTISED_1000baseT_Half |
3246 ADVERTISED_1000baseT_Full : 0));
3247
3248 if (rtl_tbi_enabled(tp))
3249 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3250 }
3251
3252 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3253 {
3254 void __iomem *ioaddr = tp->mmio_addr;
3255 u32 high;
3256 u32 low;
3257
3258 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3259 high = addr[4] | (addr[5] << 8);
3260
3261 spin_lock_irq(&tp->lock);
3262
3263 RTL_W8(Cfg9346, Cfg9346_Unlock);
3264
3265 RTL_W32(MAC4, high);
3266 RTL_R32(MAC4);
3267
3268 RTL_W32(MAC0, low);
3269 RTL_R32(MAC0);
3270
3271 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3272 const struct exgmac_reg e[] = {
3273 { .addr = 0xe0, ERIAR_MASK_1111, .val = low },
3274 { .addr = 0xe4, ERIAR_MASK_1111, .val = high },
3275 { .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 },
3276 { .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 |
3277 low >> 16 },
3278 };
3279
3280 rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e));
3281 }
3282
3283 RTL_W8(Cfg9346, Cfg9346_Lock);
3284
3285 spin_unlock_irq(&tp->lock);
3286 }
3287
3288 static int rtl_set_mac_address(struct net_device *dev, void *p)
3289 {
3290 struct rtl8169_private *tp = netdev_priv(dev);
3291 struct sockaddr *addr = p;
3292
3293 if (!is_valid_ether_addr(addr->sa_data))
3294 return -EADDRNOTAVAIL;
3295
3296 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3297
3298 rtl_rar_set(tp, dev->dev_addr);
3299
3300 return 0;
3301 }
3302
3303 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3304 {
3305 struct rtl8169_private *tp = netdev_priv(dev);
3306 struct mii_ioctl_data *data = if_mii(ifr);
3307
3308 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3309 }
3310
3311 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3312 struct mii_ioctl_data *data, int cmd)
3313 {
3314 switch (cmd) {
3315 case SIOCGMIIPHY:
3316 data->phy_id = 32; /* Internal PHY */
3317 return 0;
3318
3319 case SIOCGMIIREG:
3320 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3321 return 0;
3322
3323 case SIOCSMIIREG:
3324 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3325 return 0;
3326 }
3327 return -EOPNOTSUPP;
3328 }
3329
3330 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3331 {
3332 return -EOPNOTSUPP;
3333 }
3334
3335 static const struct rtl_cfg_info {
3336 void (*hw_start)(struct net_device *);
3337 unsigned int region;
3338 unsigned int align;
3339 u16 intr_event;
3340 u16 napi_event;
3341 unsigned features;
3342 u8 default_ver;
3343 } rtl_cfg_infos [] = {
3344 [RTL_CFG_0] = {
3345 .hw_start = rtl_hw_start_8169,
3346 .region = 1,
3347 .align = 0,
3348 .intr_event = SYSErr | LinkChg | RxOverflow |
3349 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3350 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3351 .features = RTL_FEATURE_GMII,
3352 .default_ver = RTL_GIGA_MAC_VER_01,
3353 },
3354 [RTL_CFG_1] = {
3355 .hw_start = rtl_hw_start_8168,
3356 .region = 2,
3357 .align = 8,
3358 .intr_event = SYSErr | LinkChg | RxOverflow |
3359 TxErr | TxOK | RxOK | RxErr,
3360 .napi_event = TxErr | TxOK | RxOK | RxOverflow,
3361 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
3362 .default_ver = RTL_GIGA_MAC_VER_11,
3363 },
3364 [RTL_CFG_2] = {
3365 .hw_start = rtl_hw_start_8101,
3366 .region = 2,
3367 .align = 8,
3368 .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
3369 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3370 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3371 .features = RTL_FEATURE_MSI,
3372 .default_ver = RTL_GIGA_MAC_VER_13,
3373 }
3374 };
3375
3376 /* Cfg9346_Unlock assumed. */
3377 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
3378 const struct rtl_cfg_info *cfg)
3379 {
3380 unsigned msi = 0;
3381 u8 cfg2;
3382
3383 cfg2 = RTL_R8(Config2) & ~MSIEnable;
3384 if (cfg->features & RTL_FEATURE_MSI) {
3385 if (pci_enable_msi(pdev)) {
3386 dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
3387 } else {
3388 cfg2 |= MSIEnable;
3389 msi = RTL_FEATURE_MSI;
3390 }
3391 }
3392 RTL_W8(Config2, cfg2);
3393 return msi;
3394 }
3395
3396 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3397 {
3398 if (tp->features & RTL_FEATURE_MSI) {
3399 pci_disable_msi(pdev);
3400 tp->features &= ~RTL_FEATURE_MSI;
3401 }
3402 }
3403
3404 static const struct net_device_ops rtl8169_netdev_ops = {
3405 .ndo_open = rtl8169_open,
3406 .ndo_stop = rtl8169_close,
3407 .ndo_get_stats = rtl8169_get_stats,
3408 .ndo_start_xmit = rtl8169_start_xmit,
3409 .ndo_tx_timeout = rtl8169_tx_timeout,
3410 .ndo_validate_addr = eth_validate_addr,
3411 .ndo_change_mtu = rtl8169_change_mtu,
3412 .ndo_fix_features = rtl8169_fix_features,
3413 .ndo_set_features = rtl8169_set_features,
3414 .ndo_set_mac_address = rtl_set_mac_address,
3415 .ndo_do_ioctl = rtl8169_ioctl,
3416 .ndo_set_rx_mode = rtl_set_rx_mode,
3417 #ifdef CONFIG_NET_POLL_CONTROLLER
3418 .ndo_poll_controller = rtl8169_netpoll,
3419 #endif
3420
3421 };
3422
3423 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
3424 {
3425 struct mdio_ops *ops = &tp->mdio_ops;
3426
3427 switch (tp->mac_version) {
3428 case RTL_GIGA_MAC_VER_27:
3429 ops->write = r8168dp_1_mdio_write;
3430 ops->read = r8168dp_1_mdio_read;
3431 break;
3432 case RTL_GIGA_MAC_VER_28:
3433 case RTL_GIGA_MAC_VER_31:
3434 ops->write = r8168dp_2_mdio_write;
3435 ops->read = r8168dp_2_mdio_read;
3436 break;
3437 default:
3438 ops->write = r8169_mdio_write;
3439 ops->read = r8169_mdio_read;
3440 break;
3441 }
3442 }
3443
3444 static void r810x_phy_power_down(struct rtl8169_private *tp)
3445 {
3446 rtl_writephy(tp, 0x1f, 0x0000);
3447 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3448 }
3449
3450 static void r810x_phy_power_up(struct rtl8169_private *tp)
3451 {
3452 rtl_writephy(tp, 0x1f, 0x0000);
3453 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3454 }
3455
3456 static void r810x_pll_power_down(struct rtl8169_private *tp)
3457 {
3458 void __iomem *ioaddr = tp->mmio_addr;
3459
3460 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3461 rtl_writephy(tp, 0x1f, 0x0000);
3462 rtl_writephy(tp, MII_BMCR, 0x0000);
3463
3464 if (tp->mac_version == RTL_GIGA_MAC_VER_29 ||
3465 tp->mac_version == RTL_GIGA_MAC_VER_30)
3466 RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast |
3467 AcceptMulticast | AcceptMyPhys);
3468 return;
3469 }
3470
3471 r810x_phy_power_down(tp);
3472 }
3473
3474 static void r810x_pll_power_up(struct rtl8169_private *tp)
3475 {
3476 r810x_phy_power_up(tp);
3477 }
3478
3479 static void r8168_phy_power_up(struct rtl8169_private *tp)
3480 {
3481 rtl_writephy(tp, 0x1f, 0x0000);
3482 switch (tp->mac_version) {
3483 case RTL_GIGA_MAC_VER_11:
3484 case RTL_GIGA_MAC_VER_12:
3485 case RTL_GIGA_MAC_VER_17:
3486 case RTL_GIGA_MAC_VER_18:
3487 case RTL_GIGA_MAC_VER_19:
3488 case RTL_GIGA_MAC_VER_20:
3489 case RTL_GIGA_MAC_VER_21:
3490 case RTL_GIGA_MAC_VER_22:
3491 case RTL_GIGA_MAC_VER_23:
3492 case RTL_GIGA_MAC_VER_24:
3493 case RTL_GIGA_MAC_VER_25:
3494 case RTL_GIGA_MAC_VER_26:
3495 case RTL_GIGA_MAC_VER_27:
3496 case RTL_GIGA_MAC_VER_28:
3497 case RTL_GIGA_MAC_VER_31:
3498 rtl_writephy(tp, 0x0e, 0x0000);
3499 break;
3500 default:
3501 break;
3502 }
3503 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3504 }
3505
3506 static void r8168_phy_power_down(struct rtl8169_private *tp)
3507 {
3508 rtl_writephy(tp, 0x1f, 0x0000);
3509 switch (tp->mac_version) {
3510 case RTL_GIGA_MAC_VER_32:
3511 case RTL_GIGA_MAC_VER_33:
3512 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3513 break;
3514
3515 case RTL_GIGA_MAC_VER_11:
3516 case RTL_GIGA_MAC_VER_12:
3517 case RTL_GIGA_MAC_VER_17:
3518 case RTL_GIGA_MAC_VER_18:
3519 case RTL_GIGA_MAC_VER_19:
3520 case RTL_GIGA_MAC_VER_20:
3521 case RTL_GIGA_MAC_VER_21:
3522 case RTL_GIGA_MAC_VER_22:
3523 case RTL_GIGA_MAC_VER_23:
3524 case RTL_GIGA_MAC_VER_24:
3525 case RTL_GIGA_MAC_VER_25:
3526 case RTL_GIGA_MAC_VER_26:
3527 case RTL_GIGA_MAC_VER_27:
3528 case RTL_GIGA_MAC_VER_28:
3529 case RTL_GIGA_MAC_VER_31:
3530 rtl_writephy(tp, 0x0e, 0x0200);
3531 default:
3532 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3533 break;
3534 }
3535 }
3536
3537 static void r8168_pll_power_down(struct rtl8169_private *tp)
3538 {
3539 void __iomem *ioaddr = tp->mmio_addr;
3540
3541 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3542 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3543 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3544 r8168dp_check_dash(tp)) {
3545 return;
3546 }
3547
3548 if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3549 tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3550 (RTL_R16(CPlusCmd) & ASF)) {
3551 return;
3552 }
3553
3554 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3555 tp->mac_version == RTL_GIGA_MAC_VER_33)
3556 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3557
3558 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3559 rtl_writephy(tp, 0x1f, 0x0000);
3560 rtl_writephy(tp, MII_BMCR, 0x0000);
3561
3562 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3563 tp->mac_version == RTL_GIGA_MAC_VER_33 ||
3564 tp->mac_version == RTL_GIGA_MAC_VER_34)
3565 RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast |
3566 AcceptMulticast | AcceptMyPhys);
3567 return;
3568 }
3569
3570 r8168_phy_power_down(tp);
3571
3572 switch (tp->mac_version) {
3573 case RTL_GIGA_MAC_VER_25:
3574 case RTL_GIGA_MAC_VER_26:
3575 case RTL_GIGA_MAC_VER_27:
3576 case RTL_GIGA_MAC_VER_28:
3577 case RTL_GIGA_MAC_VER_31:
3578 case RTL_GIGA_MAC_VER_32:
3579 case RTL_GIGA_MAC_VER_33:
3580 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3581 break;
3582 }
3583 }
3584
3585 static void r8168_pll_power_up(struct rtl8169_private *tp)
3586 {
3587 void __iomem *ioaddr = tp->mmio_addr;
3588
3589 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3590 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3591 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3592 r8168dp_check_dash(tp)) {
3593 return;
3594 }
3595
3596 switch (tp->mac_version) {
3597 case RTL_GIGA_MAC_VER_25:
3598 case RTL_GIGA_MAC_VER_26:
3599 case RTL_GIGA_MAC_VER_27:
3600 case RTL_GIGA_MAC_VER_28:
3601 case RTL_GIGA_MAC_VER_31:
3602 case RTL_GIGA_MAC_VER_32:
3603 case RTL_GIGA_MAC_VER_33:
3604 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3605 break;
3606 }
3607
3608 r8168_phy_power_up(tp);
3609 }
3610
3611 static void rtl_pll_power_op(struct rtl8169_private *tp,
3612 void (*op)(struct rtl8169_private *))
3613 {
3614 if (op)
3615 op(tp);
3616 }
3617
3618 static void rtl_pll_power_down(struct rtl8169_private *tp)
3619 {
3620 rtl_pll_power_op(tp, tp->pll_power_ops.down);
3621 }
3622
3623 static void rtl_pll_power_up(struct rtl8169_private *tp)
3624 {
3625 rtl_pll_power_op(tp, tp->pll_power_ops.up);
3626 }
3627
3628 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3629 {
3630 struct pll_power_ops *ops = &tp->pll_power_ops;
3631
3632 switch (tp->mac_version) {
3633 case RTL_GIGA_MAC_VER_07:
3634 case RTL_GIGA_MAC_VER_08:
3635 case RTL_GIGA_MAC_VER_09:
3636 case RTL_GIGA_MAC_VER_10:
3637 case RTL_GIGA_MAC_VER_16:
3638 case RTL_GIGA_MAC_VER_29:
3639 case RTL_GIGA_MAC_VER_30:
3640 ops->down = r810x_pll_power_down;
3641 ops->up = r810x_pll_power_up;
3642 break;
3643
3644 case RTL_GIGA_MAC_VER_11:
3645 case RTL_GIGA_MAC_VER_12:
3646 case RTL_GIGA_MAC_VER_17:
3647 case RTL_GIGA_MAC_VER_18:
3648 case RTL_GIGA_MAC_VER_19:
3649 case RTL_GIGA_MAC_VER_20:
3650 case RTL_GIGA_MAC_VER_21:
3651 case RTL_GIGA_MAC_VER_22:
3652 case RTL_GIGA_MAC_VER_23:
3653 case RTL_GIGA_MAC_VER_24:
3654 case RTL_GIGA_MAC_VER_25:
3655 case RTL_GIGA_MAC_VER_26:
3656 case RTL_GIGA_MAC_VER_27:
3657 case RTL_GIGA_MAC_VER_28:
3658 case RTL_GIGA_MAC_VER_31:
3659 case RTL_GIGA_MAC_VER_32:
3660 case RTL_GIGA_MAC_VER_33:
3661 case RTL_GIGA_MAC_VER_34:
3662 case RTL_GIGA_MAC_VER_35:
3663 case RTL_GIGA_MAC_VER_36:
3664 ops->down = r8168_pll_power_down;
3665 ops->up = r8168_pll_power_up;
3666 break;
3667
3668 default:
3669 ops->down = NULL;
3670 ops->up = NULL;
3671 break;
3672 }
3673 }
3674
3675 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3676 {
3677 void __iomem *ioaddr = tp->mmio_addr;
3678
3679 switch (tp->mac_version) {
3680 case RTL_GIGA_MAC_VER_01:
3681 case RTL_GIGA_MAC_VER_02:
3682 case RTL_GIGA_MAC_VER_03:
3683 case RTL_GIGA_MAC_VER_04:
3684 case RTL_GIGA_MAC_VER_05:
3685 case RTL_GIGA_MAC_VER_06:
3686 case RTL_GIGA_MAC_VER_10:
3687 case RTL_GIGA_MAC_VER_11:
3688 case RTL_GIGA_MAC_VER_12:
3689 case RTL_GIGA_MAC_VER_13:
3690 case RTL_GIGA_MAC_VER_14:
3691 case RTL_GIGA_MAC_VER_15:
3692 case RTL_GIGA_MAC_VER_16:
3693 case RTL_GIGA_MAC_VER_17:
3694 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3695 break;
3696 case RTL_GIGA_MAC_VER_18:
3697 case RTL_GIGA_MAC_VER_19:
3698 case RTL_GIGA_MAC_VER_20:
3699 case RTL_GIGA_MAC_VER_21:
3700 case RTL_GIGA_MAC_VER_22:
3701 case RTL_GIGA_MAC_VER_23:
3702 case RTL_GIGA_MAC_VER_24:
3703 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3704 break;
3705 default:
3706 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
3707 break;
3708 }
3709 }
3710
3711 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3712 {
3713 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
3714 }
3715
3716 static void rtl_hw_reset(struct rtl8169_private *tp)
3717 {
3718 void __iomem *ioaddr = tp->mmio_addr;
3719 int i;
3720
3721 /* Soft reset the chip. */
3722 RTL_W8(ChipCmd, CmdReset);
3723
3724 /* Check that the chip has finished the reset. */
3725 for (i = 0; i < 100; i++) {
3726 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3727 break;
3728 udelay(100);
3729 }
3730
3731 rtl8169_init_ring_indexes(tp);
3732 }
3733
3734 static int __devinit
3735 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3736 {
3737 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3738 const unsigned int region = cfg->region;
3739 struct rtl8169_private *tp;
3740 struct mii_if_info *mii;
3741 struct net_device *dev;
3742 void __iomem *ioaddr;
3743 int chipset, i;
3744 int rc;
3745
3746 if (netif_msg_drv(&debug)) {
3747 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3748 MODULENAME, RTL8169_VERSION);
3749 }
3750
3751 dev = alloc_etherdev(sizeof (*tp));
3752 if (!dev) {
3753 if (netif_msg_drv(&debug))
3754 dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3755 rc = -ENOMEM;
3756 goto out;
3757 }
3758
3759 SET_NETDEV_DEV(dev, &pdev->dev);
3760 dev->netdev_ops = &rtl8169_netdev_ops;
3761 tp = netdev_priv(dev);
3762 tp->dev = dev;
3763 tp->pci_dev = pdev;
3764 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3765
3766 mii = &tp->mii;
3767 mii->dev = dev;
3768 mii->mdio_read = rtl_mdio_read;
3769 mii->mdio_write = rtl_mdio_write;
3770 mii->phy_id_mask = 0x1f;
3771 mii->reg_num_mask = 0x1f;
3772 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3773
3774 /* disable ASPM completely as that cause random device stop working
3775 * problems as well as full system hangs for some PCIe devices users */
3776 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3777 PCIE_LINK_STATE_CLKPM);
3778
3779 /* enable device (incl. PCI PM wakeup and hotplug setup) */
3780 rc = pci_enable_device(pdev);
3781 if (rc < 0) {
3782 netif_err(tp, probe, dev, "enable failure\n");
3783 goto err_out_free_dev_1;
3784 }
3785
3786 if (pci_set_mwi(pdev) < 0)
3787 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3788
3789 /* make sure PCI base addr 1 is MMIO */
3790 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3791 netif_err(tp, probe, dev,
3792 "region #%d not an MMIO resource, aborting\n",
3793 region);
3794 rc = -ENODEV;
3795 goto err_out_mwi_2;
3796 }
3797
3798 /* check for weird/broken PCI region reporting */
3799 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3800 netif_err(tp, probe, dev,
3801 "Invalid PCI region size(s), aborting\n");
3802 rc = -ENODEV;
3803 goto err_out_mwi_2;
3804 }
3805
3806 rc = pci_request_regions(pdev, MODULENAME);
3807 if (rc < 0) {
3808 netif_err(tp, probe, dev, "could not request regions\n");
3809 goto err_out_mwi_2;
3810 }
3811
3812 tp->cp_cmd = RxChkSum;
3813
3814 if ((sizeof(dma_addr_t) > 4) &&
3815 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3816 tp->cp_cmd |= PCIDAC;
3817 dev->features |= NETIF_F_HIGHDMA;
3818 } else {
3819 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3820 if (rc < 0) {
3821 netif_err(tp, probe, dev, "DMA configuration failed\n");
3822 goto err_out_free_res_3;
3823 }
3824 }
3825
3826 /* ioremap MMIO region */
3827 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3828 if (!ioaddr) {
3829 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3830 rc = -EIO;
3831 goto err_out_free_res_3;
3832 }
3833 tp->mmio_addr = ioaddr;
3834
3835 if (!pci_is_pcie(pdev))
3836 netif_info(tp, probe, dev, "not PCI Express\n");
3837
3838 /* Identify chip attached to board */
3839 rtl8169_get_mac_version(tp, dev, cfg->default_ver);
3840
3841 rtl_init_rxcfg(tp);
3842
3843 RTL_W16(IntrMask, 0x0000);
3844
3845 rtl_hw_reset(tp);
3846
3847 RTL_W16(IntrStatus, 0xffff);
3848
3849 pci_set_master(pdev);
3850
3851 /*
3852 * Pretend we are using VLANs; This bypasses a nasty bug where
3853 * Interrupts stop flowing on high load on 8110SCd controllers.
3854 */
3855 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3856 tp->cp_cmd |= RxVlan;
3857
3858 rtl_init_mdio_ops(tp);
3859 rtl_init_pll_power_ops(tp);
3860
3861 rtl8169_print_mac_version(tp);
3862
3863 chipset = tp->mac_version;
3864 tp->txd_version = rtl_chip_infos[chipset].txd_version;
3865
3866 RTL_W8(Cfg9346, Cfg9346_Unlock);
3867 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3868 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3869 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3870 tp->features |= RTL_FEATURE_WOL;
3871 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3872 tp->features |= RTL_FEATURE_WOL;
3873 tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3874 RTL_W8(Cfg9346, Cfg9346_Lock);
3875
3876 if (rtl_tbi_enabled(tp)) {
3877 tp->set_speed = rtl8169_set_speed_tbi;
3878 tp->get_settings = rtl8169_gset_tbi;
3879 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3880 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3881 tp->link_ok = rtl8169_tbi_link_ok;
3882 tp->do_ioctl = rtl_tbi_ioctl;
3883 } else {
3884 tp->set_speed = rtl8169_set_speed_xmii;
3885 tp->get_settings = rtl8169_gset_xmii;
3886 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3887 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3888 tp->link_ok = rtl8169_xmii_link_ok;
3889 tp->do_ioctl = rtl_xmii_ioctl;
3890 }
3891
3892 spin_lock_init(&tp->lock);
3893
3894 /* Get MAC address */
3895 for (i = 0; i < MAC_ADDR_LEN; i++)
3896 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3897 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3898
3899 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3900 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3901 dev->irq = pdev->irq;
3902 dev->base_addr = (unsigned long) ioaddr;
3903
3904 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3905
3906 /* don't enable SG, IP_CSUM and TSO by default - it might not work
3907 * properly for all devices */
3908 dev->features |= NETIF_F_RXCSUM |
3909 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3910
3911 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3912 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3913 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3914 NETIF_F_HIGHDMA;
3915
3916 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3917 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
3918 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
3919
3920 tp->intr_mask = 0xffff;
3921 tp->hw_start = cfg->hw_start;
3922 tp->intr_event = cfg->intr_event;
3923 tp->napi_event = cfg->napi_event;
3924
3925 tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
3926 ~(RxBOVF | RxFOVF) : ~0;
3927
3928 init_timer(&tp->timer);
3929 tp->timer.data = (unsigned long) dev;
3930 tp->timer.function = rtl8169_phy_timer;
3931
3932 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
3933
3934 rc = register_netdev(dev);
3935 if (rc < 0)
3936 goto err_out_msi_4;
3937
3938 pci_set_drvdata(pdev, dev);
3939
3940 netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3941 rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3942 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3943
3944 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3945 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3946 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3947 rtl8168_driver_start(tp);
3948 }
3949
3950 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3951
3952 if (pci_dev_run_wake(pdev))
3953 pm_runtime_put_noidle(&pdev->dev);
3954
3955 netif_carrier_off(dev);
3956
3957 out:
3958 return rc;
3959
3960 err_out_msi_4:
3961 rtl_disable_msi(pdev, tp);
3962 iounmap(ioaddr);
3963 err_out_free_res_3:
3964 pci_release_regions(pdev);
3965 err_out_mwi_2:
3966 pci_clear_mwi(pdev);
3967 pci_disable_device(pdev);
3968 err_out_free_dev_1:
3969 free_netdev(dev);
3970 goto out;
3971 }
3972
3973 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3974 {
3975 struct net_device *dev = pci_get_drvdata(pdev);
3976 struct rtl8169_private *tp = netdev_priv(dev);
3977
3978 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3979 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3980 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3981 rtl8168_driver_stop(tp);
3982 }
3983
3984 cancel_delayed_work_sync(&tp->task);
3985
3986 unregister_netdev(dev);
3987
3988 rtl_release_firmware(tp);
3989
3990 if (pci_dev_run_wake(pdev))
3991 pm_runtime_get_noresume(&pdev->dev);
3992
3993 /* restore original MAC address */
3994 rtl_rar_set(tp, dev->perm_addr);
3995
3996 rtl_disable_msi(pdev, tp);
3997 rtl8169_release_board(pdev, dev, tp->mmio_addr);
3998 pci_set_drvdata(pdev, NULL);
3999 }
4000
4001 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
4002 {
4003 struct rtl_fw *rtl_fw;
4004 const char *name;
4005 int rc = -ENOMEM;
4006
4007 name = rtl_lookup_firmware_name(tp);
4008 if (!name)
4009 goto out_no_firmware;
4010
4011 rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
4012 if (!rtl_fw)
4013 goto err_warn;
4014
4015 rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
4016 if (rc < 0)
4017 goto err_free;
4018
4019 rc = rtl_check_firmware(tp, rtl_fw);
4020 if (rc < 0)
4021 goto err_release_firmware;
4022
4023 tp->rtl_fw = rtl_fw;
4024 out:
4025 return;
4026
4027 err_release_firmware:
4028 release_firmware(rtl_fw->fw);
4029 err_free:
4030 kfree(rtl_fw);
4031 err_warn:
4032 netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
4033 name, rc);
4034 out_no_firmware:
4035 tp->rtl_fw = NULL;
4036 goto out;
4037 }
4038
4039 static void rtl_request_firmware(struct rtl8169_private *tp)
4040 {
4041 if (IS_ERR(tp->rtl_fw))
4042 rtl_request_uncached_firmware(tp);
4043 }
4044
4045 static int rtl8169_open(struct net_device *dev)
4046 {
4047 struct rtl8169_private *tp = netdev_priv(dev);
4048 void __iomem *ioaddr = tp->mmio_addr;
4049 struct pci_dev *pdev = tp->pci_dev;
4050 int retval = -ENOMEM;
4051
4052 pm_runtime_get_sync(&pdev->dev);
4053
4054 /*
4055 * Rx and Tx desscriptors needs 256 bytes alignment.
4056 * dma_alloc_coherent provides more.
4057 */
4058 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
4059 &tp->TxPhyAddr, GFP_KERNEL);
4060 if (!tp->TxDescArray)
4061 goto err_pm_runtime_put;
4062
4063 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
4064 &tp->RxPhyAddr, GFP_KERNEL);
4065 if (!tp->RxDescArray)
4066 goto err_free_tx_0;
4067
4068 retval = rtl8169_init_ring(dev);
4069 if (retval < 0)
4070 goto err_free_rx_1;
4071
4072 INIT_DELAYED_WORK(&tp->task, NULL);
4073
4074 smp_mb();
4075
4076 rtl_request_firmware(tp);
4077
4078 retval = request_irq(dev->irq, rtl8169_interrupt,
4079 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
4080 dev->name, dev);
4081 if (retval < 0)
4082 goto err_release_fw_2;
4083
4084 napi_enable(&tp->napi);
4085
4086 rtl8169_init_phy(dev, tp);
4087
4088 rtl8169_set_features(dev, dev->features);
4089
4090 rtl_pll_power_up(tp);
4091
4092 rtl_hw_start(dev);
4093
4094 tp->saved_wolopts = 0;
4095 pm_runtime_put_noidle(&pdev->dev);
4096
4097 rtl8169_check_link_status(dev, tp, ioaddr);
4098 out:
4099 return retval;
4100
4101 err_release_fw_2:
4102 rtl_release_firmware(tp);
4103 rtl8169_rx_clear(tp);
4104 err_free_rx_1:
4105 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
4106 tp->RxPhyAddr);
4107 tp->RxDescArray = NULL;
4108 err_free_tx_0:
4109 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
4110 tp->TxPhyAddr);
4111 tp->TxDescArray = NULL;
4112 err_pm_runtime_put:
4113 pm_runtime_put_noidle(&pdev->dev);
4114 goto out;
4115 }
4116
4117 static void rtl_rx_close(struct rtl8169_private *tp)
4118 {
4119 void __iomem *ioaddr = tp->mmio_addr;
4120
4121 RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4122 }
4123
4124 static void rtl8169_hw_reset(struct rtl8169_private *tp)
4125 {
4126 void __iomem *ioaddr = tp->mmio_addr;
4127
4128 /* Disable interrupts */
4129 rtl8169_irq_mask_and_ack(ioaddr);
4130
4131 rtl_rx_close(tp);
4132
4133 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4134 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4135 tp->mac_version == RTL_GIGA_MAC_VER_31) {
4136 while (RTL_R8(TxPoll) & NPQ)
4137 udelay(20);
4138 } else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
4139 tp->mac_version == RTL_GIGA_MAC_VER_35 ||
4140 tp->mac_version == RTL_GIGA_MAC_VER_36) {
4141 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4142 while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
4143 udelay(100);
4144 } else {
4145 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4146 udelay(100);
4147 }
4148
4149 rtl_hw_reset(tp);
4150 }
4151
4152 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4153 {
4154 void __iomem *ioaddr = tp->mmio_addr;
4155
4156 /* Set DMA burst size and Interframe Gap Time */
4157 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4158 (InterFrameGap << TxInterFrameGapShift));
4159 }
4160
4161 static void rtl_hw_start(struct net_device *dev)
4162 {
4163 struct rtl8169_private *tp = netdev_priv(dev);
4164
4165 tp->hw_start(dev);
4166
4167 netif_start_queue(dev);
4168 }
4169
4170 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4171 void __iomem *ioaddr)
4172 {
4173 /*
4174 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4175 * register to be written before TxDescAddrLow to work.
4176 * Switching from MMIO to I/O access fixes the issue as well.
4177 */
4178 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4179 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4180 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4181 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4182 }
4183
4184 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4185 {
4186 u16 cmd;
4187
4188 cmd = RTL_R16(CPlusCmd);
4189 RTL_W16(CPlusCmd, cmd);
4190 return cmd;
4191 }
4192
4193 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4194 {
4195 /* Low hurts. Let's disable the filtering. */
4196 RTL_W16(RxMaxSize, rx_buf_sz + 1);
4197 }
4198
4199 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4200 {
4201 static const struct rtl_cfg2_info {
4202 u32 mac_version;
4203 u32 clk;
4204 u32 val;
4205 } cfg2_info [] = {
4206 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4207 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4208 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4209 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4210 };
4211 const struct rtl_cfg2_info *p = cfg2_info;
4212 unsigned int i;
4213 u32 clk;
4214
4215 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4216 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4217 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4218 RTL_W32(0x7c, p->val);
4219 break;
4220 }
4221 }
4222 }
4223
4224 static void rtl_hw_start_8169(struct net_device *dev)
4225 {
4226 struct rtl8169_private *tp = netdev_priv(dev);
4227 void __iomem *ioaddr = tp->mmio_addr;
4228 struct pci_dev *pdev = tp->pci_dev;
4229
4230 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4231 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4232 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4233 }
4234
4235 RTL_W8(Cfg9346, Cfg9346_Unlock);
4236 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4237 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4238 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4239 tp->mac_version == RTL_GIGA_MAC_VER_04)
4240 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4241
4242 rtl_init_rxcfg(tp);
4243
4244 RTL_W8(EarlyTxThres, NoEarlyTx);
4245
4246 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4247
4248 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4249 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4250 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4251 tp->mac_version == RTL_GIGA_MAC_VER_04)
4252 rtl_set_rx_tx_config_registers(tp);
4253
4254 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4255
4256 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4257 tp->mac_version == RTL_GIGA_MAC_VER_03) {
4258 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4259 "Bit-3 and bit-14 MUST be 1\n");
4260 tp->cp_cmd |= (1 << 14);
4261 }
4262
4263 RTL_W16(CPlusCmd, tp->cp_cmd);
4264
4265 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4266
4267 /*
4268 * Undocumented corner. Supposedly:
4269 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4270 */
4271 RTL_W16(IntrMitigate, 0x0000);
4272
4273 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4274
4275 if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4276 tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4277 tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4278 tp->mac_version != RTL_GIGA_MAC_VER_04) {
4279 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4280 rtl_set_rx_tx_config_registers(tp);
4281 }
4282
4283 RTL_W8(Cfg9346, Cfg9346_Lock);
4284
4285 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4286 RTL_R8(IntrMask);
4287
4288 RTL_W32(RxMissed, 0);
4289
4290 rtl_set_rx_mode(dev);
4291
4292 /* no early-rx interrupts */
4293 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4294
4295 /* Enable all known interrupts by setting the interrupt mask. */
4296 RTL_W16(IntrMask, tp->intr_event);
4297 }
4298
4299 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
4300 {
4301 int cap = pci_pcie_cap(pdev);
4302
4303 if (cap) {
4304 u16 ctl;
4305
4306 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
4307 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
4308 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
4309 }
4310 }
4311
4312 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
4313 {
4314 u32 csi;
4315
4316 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
4317 rtl_csi_write(ioaddr, 0x070c, csi | bits);
4318 }
4319
4320 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
4321 {
4322 rtl_csi_access_enable(ioaddr, 0x17000000);
4323 }
4324
4325 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
4326 {
4327 rtl_csi_access_enable(ioaddr, 0x27000000);
4328 }
4329
4330 struct ephy_info {
4331 unsigned int offset;
4332 u16 mask;
4333 u16 bits;
4334 };
4335
4336 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4337 {
4338 u16 w;
4339
4340 while (len-- > 0) {
4341 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
4342 rtl_ephy_write(ioaddr, e->offset, w);
4343 e++;
4344 }
4345 }
4346
4347 static void rtl_disable_clock_request(struct pci_dev *pdev)
4348 {
4349 int cap = pci_pcie_cap(pdev);
4350
4351 if (cap) {
4352 u16 ctl;
4353
4354 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4355 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
4356 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4357 }
4358 }
4359
4360 static void rtl_enable_clock_request(struct pci_dev *pdev)
4361 {
4362 int cap = pci_pcie_cap(pdev);
4363
4364 if (cap) {
4365 u16 ctl;
4366
4367 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4368 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
4369 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4370 }
4371 }
4372
4373 #define R8168_CPCMD_QUIRK_MASK (\
4374 EnableBist | \
4375 Mac_dbgo_oe | \
4376 Force_half_dup | \
4377 Force_rxflow_en | \
4378 Force_txflow_en | \
4379 Cxpl_dbg_sel | \
4380 ASF | \
4381 PktCntrDisable | \
4382 Mac_dbgo_sel)
4383
4384 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
4385 {
4386 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4387
4388 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4389
4390 rtl_tx_performance_tweak(pdev,
4391 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4392 }
4393
4394 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
4395 {
4396 rtl_hw_start_8168bb(ioaddr, pdev);
4397
4398 RTL_W8(MaxTxPacketSize, TxPacketMax);
4399
4400 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4401 }
4402
4403 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
4404 {
4405 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4406
4407 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4408
4409 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4410
4411 rtl_disable_clock_request(pdev);
4412
4413 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4414 }
4415
4416 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
4417 {
4418 static const struct ephy_info e_info_8168cp[] = {
4419 { 0x01, 0, 0x0001 },
4420 { 0x02, 0x0800, 0x1000 },
4421 { 0x03, 0, 0x0042 },
4422 { 0x06, 0x0080, 0x0000 },
4423 { 0x07, 0, 0x2000 }
4424 };
4425
4426 rtl_csi_access_enable_2(ioaddr);
4427
4428 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4429
4430 __rtl_hw_start_8168cp(ioaddr, pdev);
4431 }
4432
4433 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
4434 {
4435 rtl_csi_access_enable_2(ioaddr);
4436
4437 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4438
4439 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4440
4441 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4442 }
4443
4444 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
4445 {
4446 rtl_csi_access_enable_2(ioaddr);
4447
4448 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4449
4450 /* Magic. */
4451 RTL_W8(DBG_REG, 0x20);
4452
4453 RTL_W8(MaxTxPacketSize, TxPacketMax);
4454
4455 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4456
4457 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4458 }
4459
4460 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
4461 {
4462 static const struct ephy_info e_info_8168c_1[] = {
4463 { 0x02, 0x0800, 0x1000 },
4464 { 0x03, 0, 0x0002 },
4465 { 0x06, 0x0080, 0x0000 }
4466 };
4467
4468 rtl_csi_access_enable_2(ioaddr);
4469
4470 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4471
4472 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
4473
4474 __rtl_hw_start_8168cp(ioaddr, pdev);
4475 }
4476
4477 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
4478 {
4479 static const struct ephy_info e_info_8168c_2[] = {
4480 { 0x01, 0, 0x0001 },
4481 { 0x03, 0x0400, 0x0220 }
4482 };
4483
4484 rtl_csi_access_enable_2(ioaddr);
4485
4486 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
4487
4488 __rtl_hw_start_8168cp(ioaddr, pdev);
4489 }
4490
4491 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
4492 {
4493 rtl_hw_start_8168c_2(ioaddr, pdev);
4494 }
4495
4496 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
4497 {
4498 rtl_csi_access_enable_2(ioaddr);
4499
4500 __rtl_hw_start_8168cp(ioaddr, pdev);
4501 }
4502
4503 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
4504 {
4505 rtl_csi_access_enable_2(ioaddr);
4506
4507 rtl_disable_clock_request(pdev);
4508
4509 RTL_W8(MaxTxPacketSize, TxPacketMax);
4510
4511 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4512
4513 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4514 }
4515
4516 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4517 {
4518 rtl_csi_access_enable_1(ioaddr);
4519
4520 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4521
4522 RTL_W8(MaxTxPacketSize, TxPacketMax);
4523
4524 rtl_disable_clock_request(pdev);
4525 }
4526
4527 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4528 {
4529 static const struct ephy_info e_info_8168d_4[] = {
4530 { 0x0b, ~0, 0x48 },
4531 { 0x19, 0x20, 0x50 },
4532 { 0x0c, ~0, 0x20 }
4533 };
4534 int i;
4535
4536 rtl_csi_access_enable_1(ioaddr);
4537
4538 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4539
4540 RTL_W8(MaxTxPacketSize, TxPacketMax);
4541
4542 for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4543 const struct ephy_info *e = e_info_8168d_4 + i;
4544 u16 w;
4545
4546 w = rtl_ephy_read(ioaddr, e->offset);
4547 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4548 }
4549
4550 rtl_enable_clock_request(pdev);
4551 }
4552
4553 static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4554 {
4555 static const struct ephy_info e_info_8168e_1[] = {
4556 { 0x00, 0x0200, 0x0100 },
4557 { 0x00, 0x0000, 0x0004 },
4558 { 0x06, 0x0002, 0x0001 },
4559 { 0x06, 0x0000, 0x0030 },
4560 { 0x07, 0x0000, 0x2000 },
4561 { 0x00, 0x0000, 0x0020 },
4562 { 0x03, 0x5800, 0x2000 },
4563 { 0x03, 0x0000, 0x0001 },
4564 { 0x01, 0x0800, 0x1000 },
4565 { 0x07, 0x0000, 0x4000 },
4566 { 0x1e, 0x0000, 0x2000 },
4567 { 0x19, 0xffff, 0xfe6c },
4568 { 0x0a, 0x0000, 0x0040 }
4569 };
4570
4571 rtl_csi_access_enable_2(ioaddr);
4572
4573 rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
4574
4575 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4576
4577 RTL_W8(MaxTxPacketSize, TxPacketMax);
4578
4579 rtl_disable_clock_request(pdev);
4580
4581 /* Reset tx FIFO pointer */
4582 RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4583 RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4584
4585 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4586 }
4587
4588 static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4589 {
4590 static const struct ephy_info e_info_8168e_2[] = {
4591 { 0x09, 0x0000, 0x0080 },
4592 { 0x19, 0x0000, 0x0224 }
4593 };
4594
4595 rtl_csi_access_enable_1(ioaddr);
4596
4597 rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
4598
4599 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4600
4601 rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4602 rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4603 rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4604 rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4605 rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4606 rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
4607 rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4608 rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4609 ERIAR_EXGMAC);
4610
4611 RTL_W8(MaxTxPacketSize, EarlySize);
4612
4613 rtl_disable_clock_request(pdev);
4614
4615 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4616 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4617
4618 /* Adjust EEE LED frequency */
4619 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4620
4621 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4622 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4623 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4624 }
4625
4626 static void rtl_hw_start_8168f_1(void __iomem *ioaddr, struct pci_dev *pdev)
4627 {
4628 static const struct ephy_info e_info_8168f_1[] = {
4629 { 0x06, 0x00c0, 0x0020 },
4630 { 0x08, 0x0001, 0x0002 },
4631 { 0x09, 0x0000, 0x0080 },
4632 { 0x19, 0x0000, 0x0224 }
4633 };
4634
4635 rtl_csi_access_enable_1(ioaddr);
4636
4637 rtl_ephy_init(ioaddr, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
4638
4639 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4640
4641 rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4642 rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4643 rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4644 rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4645 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
4646 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
4647 rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4648 rtl_w1w0_eri(ioaddr, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4649 rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4650 rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC);
4651 rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4652 ERIAR_EXGMAC);
4653
4654 RTL_W8(MaxTxPacketSize, EarlySize);
4655
4656 rtl_disable_clock_request(pdev);
4657
4658 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4659 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4660
4661 /* Adjust EEE LED frequency */
4662 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4663
4664 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4665 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4666 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4667 }
4668
4669 static void rtl_hw_start_8168(struct net_device *dev)
4670 {
4671 struct rtl8169_private *tp = netdev_priv(dev);
4672 void __iomem *ioaddr = tp->mmio_addr;
4673 struct pci_dev *pdev = tp->pci_dev;
4674
4675 RTL_W8(Cfg9346, Cfg9346_Unlock);
4676
4677 RTL_W8(MaxTxPacketSize, TxPacketMax);
4678
4679 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4680
4681 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4682
4683 RTL_W16(CPlusCmd, tp->cp_cmd);
4684
4685 RTL_W16(IntrMitigate, 0x5151);
4686
4687 /* Work around for RxFIFO overflow. */
4688 if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
4689 tp->mac_version == RTL_GIGA_MAC_VER_22) {
4690 tp->intr_event |= RxFIFOOver | PCSTimeout;
4691 tp->intr_event &= ~RxOverflow;
4692 }
4693
4694 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4695
4696 rtl_set_rx_mode(dev);
4697
4698 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4699 (InterFrameGap << TxInterFrameGapShift));
4700
4701 RTL_R8(IntrMask);
4702
4703 switch (tp->mac_version) {
4704 case RTL_GIGA_MAC_VER_11:
4705 rtl_hw_start_8168bb(ioaddr, pdev);
4706 break;
4707
4708 case RTL_GIGA_MAC_VER_12:
4709 case RTL_GIGA_MAC_VER_17:
4710 rtl_hw_start_8168bef(ioaddr, pdev);
4711 break;
4712
4713 case RTL_GIGA_MAC_VER_18:
4714 rtl_hw_start_8168cp_1(ioaddr, pdev);
4715 break;
4716
4717 case RTL_GIGA_MAC_VER_19:
4718 rtl_hw_start_8168c_1(ioaddr, pdev);
4719 break;
4720
4721 case RTL_GIGA_MAC_VER_20:
4722 rtl_hw_start_8168c_2(ioaddr, pdev);
4723 break;
4724
4725 case RTL_GIGA_MAC_VER_21:
4726 rtl_hw_start_8168c_3(ioaddr, pdev);
4727 break;
4728
4729 case RTL_GIGA_MAC_VER_22:
4730 rtl_hw_start_8168c_4(ioaddr, pdev);
4731 break;
4732
4733 case RTL_GIGA_MAC_VER_23:
4734 rtl_hw_start_8168cp_2(ioaddr, pdev);
4735 break;
4736
4737 case RTL_GIGA_MAC_VER_24:
4738 rtl_hw_start_8168cp_3(ioaddr, pdev);
4739 break;
4740
4741 case RTL_GIGA_MAC_VER_25:
4742 case RTL_GIGA_MAC_VER_26:
4743 case RTL_GIGA_MAC_VER_27:
4744 rtl_hw_start_8168d(ioaddr, pdev);
4745 break;
4746
4747 case RTL_GIGA_MAC_VER_28:
4748 rtl_hw_start_8168d_4(ioaddr, pdev);
4749 break;
4750
4751 case RTL_GIGA_MAC_VER_31:
4752 rtl_hw_start_8168dp(ioaddr, pdev);
4753 break;
4754
4755 case RTL_GIGA_MAC_VER_32:
4756 case RTL_GIGA_MAC_VER_33:
4757 rtl_hw_start_8168e_1(ioaddr, pdev);
4758 break;
4759 case RTL_GIGA_MAC_VER_34:
4760 rtl_hw_start_8168e_2(ioaddr, pdev);
4761 break;
4762
4763 case RTL_GIGA_MAC_VER_35:
4764 case RTL_GIGA_MAC_VER_36:
4765 rtl_hw_start_8168f_1(ioaddr, pdev);
4766 break;
4767
4768 default:
4769 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4770 dev->name, tp->mac_version);
4771 break;
4772 }
4773
4774 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4775
4776 RTL_W8(Cfg9346, Cfg9346_Lock);
4777
4778 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4779
4780 RTL_W16(IntrMask, tp->intr_event);
4781 }
4782
4783 #define R810X_CPCMD_QUIRK_MASK (\
4784 EnableBist | \
4785 Mac_dbgo_oe | \
4786 Force_half_dup | \
4787 Force_rxflow_en | \
4788 Force_txflow_en | \
4789 Cxpl_dbg_sel | \
4790 ASF | \
4791 PktCntrDisable | \
4792 Mac_dbgo_sel)
4793
4794 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4795 {
4796 static const struct ephy_info e_info_8102e_1[] = {
4797 { 0x01, 0, 0x6e65 },
4798 { 0x02, 0, 0x091f },
4799 { 0x03, 0, 0xc2f9 },
4800 { 0x06, 0, 0xafb5 },
4801 { 0x07, 0, 0x0e00 },
4802 { 0x19, 0, 0xec80 },
4803 { 0x01, 0, 0x2e65 },
4804 { 0x01, 0, 0x6e65 }
4805 };
4806 u8 cfg1;
4807
4808 rtl_csi_access_enable_2(ioaddr);
4809
4810 RTL_W8(DBG_REG, FIX_NAK_1);
4811
4812 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4813
4814 RTL_W8(Config1,
4815 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4816 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4817
4818 cfg1 = RTL_R8(Config1);
4819 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4820 RTL_W8(Config1, cfg1 & ~LEDS0);
4821
4822 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4823 }
4824
4825 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4826 {
4827 rtl_csi_access_enable_2(ioaddr);
4828
4829 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4830
4831 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4832 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4833 }
4834
4835 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4836 {
4837 rtl_hw_start_8102e_2(ioaddr, pdev);
4838
4839 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4840 }
4841
4842 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4843 {
4844 static const struct ephy_info e_info_8105e_1[] = {
4845 { 0x07, 0, 0x4000 },
4846 { 0x19, 0, 0x0200 },
4847 { 0x19, 0, 0x0020 },
4848 { 0x1e, 0, 0x2000 },
4849 { 0x03, 0, 0x0001 },
4850 { 0x19, 0, 0x0100 },
4851 { 0x19, 0, 0x0004 },
4852 { 0x0a, 0, 0x0020 }
4853 };
4854
4855 /* Force LAN exit from ASPM if Rx/Tx are not idle */
4856 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4857
4858 /* Disable Early Tally Counter */
4859 RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4860
4861 RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4862 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4863
4864 rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4865 }
4866
4867 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4868 {
4869 rtl_hw_start_8105e_1(ioaddr, pdev);
4870 rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4871 }
4872
4873 static void rtl_hw_start_8101(struct net_device *dev)
4874 {
4875 struct rtl8169_private *tp = netdev_priv(dev);
4876 void __iomem *ioaddr = tp->mmio_addr;
4877 struct pci_dev *pdev = tp->pci_dev;
4878
4879 if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4880 tp->mac_version == RTL_GIGA_MAC_VER_16) {
4881 int cap = pci_pcie_cap(pdev);
4882
4883 if (cap) {
4884 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4885 PCI_EXP_DEVCTL_NOSNOOP_EN);
4886 }
4887 }
4888
4889 RTL_W8(Cfg9346, Cfg9346_Unlock);
4890
4891 switch (tp->mac_version) {
4892 case RTL_GIGA_MAC_VER_07:
4893 rtl_hw_start_8102e_1(ioaddr, pdev);
4894 break;
4895
4896 case RTL_GIGA_MAC_VER_08:
4897 rtl_hw_start_8102e_3(ioaddr, pdev);
4898 break;
4899
4900 case RTL_GIGA_MAC_VER_09:
4901 rtl_hw_start_8102e_2(ioaddr, pdev);
4902 break;
4903
4904 case RTL_GIGA_MAC_VER_29:
4905 rtl_hw_start_8105e_1(ioaddr, pdev);
4906 break;
4907 case RTL_GIGA_MAC_VER_30:
4908 rtl_hw_start_8105e_2(ioaddr, pdev);
4909 break;
4910 }
4911
4912 RTL_W8(Cfg9346, Cfg9346_Lock);
4913
4914 RTL_W8(MaxTxPacketSize, TxPacketMax);
4915
4916 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4917
4918 tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4919 RTL_W16(CPlusCmd, tp->cp_cmd);
4920
4921 RTL_W16(IntrMitigate, 0x0000);
4922
4923 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4924
4925 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4926 rtl_set_rx_tx_config_registers(tp);
4927
4928 RTL_R8(IntrMask);
4929
4930 rtl_set_rx_mode(dev);
4931
4932 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4933
4934 RTL_W16(IntrMask, tp->intr_event);
4935 }
4936
4937 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4938 {
4939 if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
4940 return -EINVAL;
4941
4942 dev->mtu = new_mtu;
4943 netdev_update_features(dev);
4944
4945 return 0;
4946 }
4947
4948 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4949 {
4950 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4951 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4952 }
4953
4954 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4955 void **data_buff, struct RxDesc *desc)
4956 {
4957 dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4958 DMA_FROM_DEVICE);
4959
4960 kfree(*data_buff);
4961 *data_buff = NULL;
4962 rtl8169_make_unusable_by_asic(desc);
4963 }
4964
4965 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4966 {
4967 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4968
4969 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4970 }
4971
4972 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4973 u32 rx_buf_sz)
4974 {
4975 desc->addr = cpu_to_le64(mapping);
4976 wmb();
4977 rtl8169_mark_to_asic(desc, rx_buf_sz);
4978 }
4979
4980 static inline void *rtl8169_align(void *data)
4981 {
4982 return (void *)ALIGN((long)data, 16);
4983 }
4984
4985 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4986 struct RxDesc *desc)
4987 {
4988 void *data;
4989 dma_addr_t mapping;
4990 struct device *d = &tp->pci_dev->dev;
4991 struct net_device *dev = tp->dev;
4992 int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4993
4994 data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4995 if (!data)
4996 return NULL;
4997
4998 if (rtl8169_align(data) != data) {
4999 kfree(data);
5000 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
5001 if (!data)
5002 return NULL;
5003 }
5004
5005 mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
5006 DMA_FROM_DEVICE);
5007 if (unlikely(dma_mapping_error(d, mapping))) {
5008 if (net_ratelimit())
5009 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5010 goto err_out;
5011 }
5012
5013 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
5014 return data;
5015
5016 err_out:
5017 kfree(data);
5018 return NULL;
5019 }
5020
5021 static void rtl8169_rx_clear(struct rtl8169_private *tp)
5022 {
5023 unsigned int i;
5024
5025 for (i = 0; i < NUM_RX_DESC; i++) {
5026 if (tp->Rx_databuff[i]) {
5027 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
5028 tp->RxDescArray + i);
5029 }
5030 }
5031 }
5032
5033 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
5034 {
5035 desc->opts1 |= cpu_to_le32(RingEnd);
5036 }
5037
5038 static int rtl8169_rx_fill(struct rtl8169_private *tp)
5039 {
5040 unsigned int i;
5041
5042 for (i = 0; i < NUM_RX_DESC; i++) {
5043 void *data;
5044
5045 if (tp->Rx_databuff[i])
5046 continue;
5047
5048 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
5049 if (!data) {
5050 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5051 goto err_out;
5052 }
5053 tp->Rx_databuff[i] = data;
5054 }
5055
5056 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
5057 return 0;
5058
5059 err_out:
5060 rtl8169_rx_clear(tp);
5061 return -ENOMEM;
5062 }
5063
5064 static int rtl8169_init_ring(struct net_device *dev)
5065 {
5066 struct rtl8169_private *tp = netdev_priv(dev);
5067
5068 rtl8169_init_ring_indexes(tp);
5069
5070 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
5071 memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
5072
5073 return rtl8169_rx_fill(tp);
5074 }
5075
5076 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
5077 struct TxDesc *desc)
5078 {
5079 unsigned int len = tx_skb->len;
5080
5081 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
5082
5083 desc->opts1 = 0x00;
5084 desc->opts2 = 0x00;
5085 desc->addr = 0x00;
5086 tx_skb->len = 0;
5087 }
5088
5089 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
5090 unsigned int n)
5091 {
5092 unsigned int i;
5093
5094 for (i = 0; i < n; i++) {
5095 unsigned int entry = (start + i) % NUM_TX_DESC;
5096 struct ring_info *tx_skb = tp->tx_skb + entry;
5097 unsigned int len = tx_skb->len;
5098
5099 if (len) {
5100 struct sk_buff *skb = tx_skb->skb;
5101
5102 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5103 tp->TxDescArray + entry);
5104 if (skb) {
5105 tp->dev->stats.tx_dropped++;
5106 dev_kfree_skb(skb);
5107 tx_skb->skb = NULL;
5108 }
5109 }
5110 }
5111 }
5112
5113 static void rtl8169_tx_clear(struct rtl8169_private *tp)
5114 {
5115 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5116 tp->cur_tx = tp->dirty_tx = 0;
5117 }
5118
5119 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
5120 {
5121 struct rtl8169_private *tp = netdev_priv(dev);
5122
5123 PREPARE_DELAYED_WORK(&tp->task, task);
5124 schedule_delayed_work(&tp->task, 4);
5125 }
5126
5127 static void rtl8169_wait_for_quiescence(struct net_device *dev)
5128 {
5129 struct rtl8169_private *tp = netdev_priv(dev);
5130 void __iomem *ioaddr = tp->mmio_addr;
5131
5132 synchronize_irq(dev->irq);
5133
5134 /* Wait for any pending NAPI task to complete */
5135 napi_disable(&tp->napi);
5136
5137 rtl8169_irq_mask_and_ack(ioaddr);
5138
5139 tp->intr_mask = 0xffff;
5140 RTL_W16(IntrMask, tp->intr_event);
5141 napi_enable(&tp->napi);
5142 }
5143
5144 static void rtl8169_reinit_task(struct work_struct *work)
5145 {
5146 struct rtl8169_private *tp =
5147 container_of(work, struct rtl8169_private, task.work);
5148 struct net_device *dev = tp->dev;
5149 int ret;
5150
5151 rtnl_lock();
5152
5153 if (!netif_running(dev))
5154 goto out_unlock;
5155
5156 rtl8169_wait_for_quiescence(dev);
5157 rtl8169_close(dev);
5158
5159 ret = rtl8169_open(dev);
5160 if (unlikely(ret < 0)) {
5161 if (net_ratelimit())
5162 netif_err(tp, drv, dev,
5163 "reinit failure (status = %d). Rescheduling\n",
5164 ret);
5165 rtl8169_schedule_work(dev, rtl8169_reinit_task);
5166 }
5167
5168 out_unlock:
5169 rtnl_unlock();
5170 }
5171
5172 static void rtl8169_reset_task(struct work_struct *work)
5173 {
5174 struct rtl8169_private *tp =
5175 container_of(work, struct rtl8169_private, task.work);
5176 struct net_device *dev = tp->dev;
5177 int i;
5178
5179 rtnl_lock();
5180
5181 if (!netif_running(dev))
5182 goto out_unlock;
5183
5184 rtl8169_wait_for_quiescence(dev);
5185
5186 for (i = 0; i < NUM_RX_DESC; i++)
5187 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
5188
5189 rtl8169_tx_clear(tp);
5190
5191 rtl8169_hw_reset(tp);
5192 rtl_hw_start(dev);
5193 netif_wake_queue(dev);
5194 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
5195
5196 out_unlock:
5197 rtnl_unlock();
5198 }
5199
5200 static void rtl8169_tx_timeout(struct net_device *dev)
5201 {
5202 struct rtl8169_private *tp = netdev_priv(dev);
5203
5204 rtl8169_hw_reset(tp);
5205
5206 /* Let's wait a bit while any (async) irq lands on */
5207 rtl8169_schedule_work(dev, rtl8169_reset_task);
5208 }
5209
5210 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5211 u32 *opts)
5212 {
5213 struct skb_shared_info *info = skb_shinfo(skb);
5214 unsigned int cur_frag, entry;
5215 struct TxDesc * uninitialized_var(txd);
5216 struct device *d = &tp->pci_dev->dev;
5217
5218 entry = tp->cur_tx;
5219 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5220 skb_frag_t *frag = info->frags + cur_frag;
5221 dma_addr_t mapping;
5222 u32 status, len;
5223 void *addr;
5224
5225 entry = (entry + 1) % NUM_TX_DESC;
5226
5227 txd = tp->TxDescArray + entry;
5228 len = frag->size;
5229 addr = skb_frag_address(frag);
5230 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5231 if (unlikely(dma_mapping_error(d, mapping))) {
5232 if (net_ratelimit())
5233 netif_err(tp, drv, tp->dev,
5234 "Failed to map TX fragments DMA!\n");
5235 goto err_out;
5236 }
5237
5238 /* Anti gcc 2.95.3 bugware (sic) */
5239 status = opts[0] | len |
5240 (RingEnd * !((entry + 1) % NUM_TX_DESC));
5241
5242 txd->opts1 = cpu_to_le32(status);
5243 txd->opts2 = cpu_to_le32(opts[1]);
5244 txd->addr = cpu_to_le64(mapping);
5245
5246 tp->tx_skb[entry].len = len;
5247 }
5248
5249 if (cur_frag) {
5250 tp->tx_skb[entry].skb = skb;
5251 txd->opts1 |= cpu_to_le32(LastFrag);
5252 }
5253
5254 return cur_frag;
5255
5256 err_out:
5257 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5258 return -EIO;
5259 }
5260
5261 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
5262 struct sk_buff *skb, u32 *opts)
5263 {
5264 const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5265 u32 mss = skb_shinfo(skb)->gso_size;
5266 int offset = info->opts_offset;
5267
5268 if (mss) {
5269 opts[0] |= TD_LSO;
5270 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5271 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5272 const struct iphdr *ip = ip_hdr(skb);
5273
5274 if (ip->protocol == IPPROTO_TCP)
5275 opts[offset] |= info->checksum.tcp;
5276 else if (ip->protocol == IPPROTO_UDP)
5277 opts[offset] |= info->checksum.udp;
5278 else
5279 WARN_ON_ONCE(1);
5280 }
5281 }
5282
5283 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5284 struct net_device *dev)
5285 {
5286 struct rtl8169_private *tp = netdev_priv(dev);
5287 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5288 struct TxDesc *txd = tp->TxDescArray + entry;
5289 void __iomem *ioaddr = tp->mmio_addr;
5290 struct device *d = &tp->pci_dev->dev;
5291 dma_addr_t mapping;
5292 u32 status, len;
5293 u32 opts[2];
5294 int frags;
5295
5296 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5297 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5298 goto err_stop_0;
5299 }
5300
5301 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5302 goto err_stop_0;
5303
5304 len = skb_headlen(skb);
5305 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5306 if (unlikely(dma_mapping_error(d, mapping))) {
5307 if (net_ratelimit())
5308 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5309 goto err_dma_0;
5310 }
5311
5312 tp->tx_skb[entry].len = len;
5313 txd->addr = cpu_to_le64(mapping);
5314
5315 opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
5316 opts[0] = DescOwn;
5317
5318 rtl8169_tso_csum(tp, skb, opts);
5319
5320 frags = rtl8169_xmit_frags(tp, skb, opts);
5321 if (frags < 0)
5322 goto err_dma_1;
5323 else if (frags)
5324 opts[0] |= FirstFrag;
5325 else {
5326 opts[0] |= FirstFrag | LastFrag;
5327 tp->tx_skb[entry].skb = skb;
5328 }
5329
5330 txd->opts2 = cpu_to_le32(opts[1]);
5331
5332 wmb();
5333
5334 /* Anti gcc 2.95.3 bugware (sic) */
5335 status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
5336 txd->opts1 = cpu_to_le32(status);
5337
5338 tp->cur_tx += frags + 1;
5339
5340 wmb();
5341
5342 RTL_W8(TxPoll, NPQ);
5343
5344 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5345 netif_stop_queue(dev);
5346 smp_rmb();
5347 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
5348 netif_wake_queue(dev);
5349 }
5350
5351 return NETDEV_TX_OK;
5352
5353 err_dma_1:
5354 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5355 err_dma_0:
5356 dev_kfree_skb(skb);
5357 dev->stats.tx_dropped++;
5358 return NETDEV_TX_OK;
5359
5360 err_stop_0:
5361 netif_stop_queue(dev);
5362 dev->stats.tx_dropped++;
5363 return NETDEV_TX_BUSY;
5364 }
5365
5366 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5367 {
5368 struct rtl8169_private *tp = netdev_priv(dev);
5369 struct pci_dev *pdev = tp->pci_dev;
5370 u16 pci_status, pci_cmd;
5371
5372 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5373 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5374
5375 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5376 pci_cmd, pci_status);
5377
5378 /*
5379 * The recovery sequence below admits a very elaborated explanation:
5380 * - it seems to work;
5381 * - I did not see what else could be done;
5382 * - it makes iop3xx happy.
5383 *
5384 * Feel free to adjust to your needs.
5385 */
5386 if (pdev->broken_parity_status)
5387 pci_cmd &= ~PCI_COMMAND_PARITY;
5388 else
5389 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5390
5391 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5392
5393 pci_write_config_word(pdev, PCI_STATUS,
5394 pci_status & (PCI_STATUS_DETECTED_PARITY |
5395 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5396 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5397
5398 /* The infamous DAC f*ckup only happens at boot time */
5399 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
5400 void __iomem *ioaddr = tp->mmio_addr;
5401
5402 netif_info(tp, intr, dev, "disabling PCI DAC\n");
5403 tp->cp_cmd &= ~PCIDAC;
5404 RTL_W16(CPlusCmd, tp->cp_cmd);
5405 dev->features &= ~NETIF_F_HIGHDMA;
5406 }
5407
5408 rtl8169_hw_reset(tp);
5409
5410 rtl8169_schedule_work(dev, rtl8169_reinit_task);
5411 }
5412
5413 static void rtl8169_tx_interrupt(struct net_device *dev,
5414 struct rtl8169_private *tp,
5415 void __iomem *ioaddr)
5416 {
5417 unsigned int dirty_tx, tx_left;
5418
5419 dirty_tx = tp->dirty_tx;
5420 smp_rmb();
5421 tx_left = tp->cur_tx - dirty_tx;
5422
5423 while (tx_left > 0) {
5424 unsigned int entry = dirty_tx % NUM_TX_DESC;
5425 struct ring_info *tx_skb = tp->tx_skb + entry;
5426 u32 status;
5427
5428 rmb();
5429 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5430 if (status & DescOwn)
5431 break;
5432
5433 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5434 tp->TxDescArray + entry);
5435 if (status & LastFrag) {
5436 dev->stats.tx_packets++;
5437 dev->stats.tx_bytes += tx_skb->skb->len;
5438 dev_kfree_skb(tx_skb->skb);
5439 tx_skb->skb = NULL;
5440 }
5441 dirty_tx++;
5442 tx_left--;
5443 }
5444
5445 if (tp->dirty_tx != dirty_tx) {
5446 tp->dirty_tx = dirty_tx;
5447 smp_wmb();
5448 if (netif_queue_stopped(dev) &&
5449 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
5450 netif_wake_queue(dev);
5451 }
5452 /*
5453 * 8168 hack: TxPoll requests are lost when the Tx packets are
5454 * too close. Let's kick an extra TxPoll request when a burst
5455 * of start_xmit activity is detected (if it is not detected,
5456 * it is slow enough). -- FR
5457 */
5458 smp_rmb();
5459 if (tp->cur_tx != dirty_tx)
5460 RTL_W8(TxPoll, NPQ);
5461 }
5462 }
5463
5464 static inline int rtl8169_fragmented_frame(u32 status)
5465 {
5466 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5467 }
5468
5469 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5470 {
5471 u32 status = opts1 & RxProtoMask;
5472
5473 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5474 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5475 skb->ip_summed = CHECKSUM_UNNECESSARY;
5476 else
5477 skb_checksum_none_assert(skb);
5478 }
5479
5480 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5481 struct rtl8169_private *tp,
5482 int pkt_size,
5483 dma_addr_t addr)
5484 {
5485 struct sk_buff *skb;
5486 struct device *d = &tp->pci_dev->dev;
5487
5488 data = rtl8169_align(data);
5489 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5490 prefetch(data);
5491 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
5492 if (skb)
5493 memcpy(skb->data, data, pkt_size);
5494 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
5495
5496 return skb;
5497 }
5498
5499 static int rtl8169_rx_interrupt(struct net_device *dev,
5500 struct rtl8169_private *tp,
5501 void __iomem *ioaddr, u32 budget)
5502 {
5503 unsigned int cur_rx, rx_left;
5504 unsigned int count;
5505
5506 cur_rx = tp->cur_rx;
5507 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
5508 rx_left = min(rx_left, budget);
5509
5510 for (; rx_left > 0; rx_left--, cur_rx++) {
5511 unsigned int entry = cur_rx % NUM_RX_DESC;
5512 struct RxDesc *desc = tp->RxDescArray + entry;
5513 u32 status;
5514
5515 rmb();
5516 status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
5517
5518 if (status & DescOwn)
5519 break;
5520 if (unlikely(status & RxRES)) {
5521 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5522 status);
5523 dev->stats.rx_errors++;
5524 if (status & (RxRWT | RxRUNT))
5525 dev->stats.rx_length_errors++;
5526 if (status & RxCRC)
5527 dev->stats.rx_crc_errors++;
5528 if (status & RxFOVF) {
5529 rtl8169_schedule_work(dev, rtl8169_reset_task);
5530 dev->stats.rx_fifo_errors++;
5531 }
5532 rtl8169_mark_to_asic(desc, rx_buf_sz);
5533 } else {
5534 struct sk_buff *skb;
5535 dma_addr_t addr = le64_to_cpu(desc->addr);
5536 int pkt_size = (status & 0x00001FFF) - 4;
5537
5538 /*
5539 * The driver does not support incoming fragmented
5540 * frames. They are seen as a symptom of over-mtu
5541 * sized frames.
5542 */
5543 if (unlikely(rtl8169_fragmented_frame(status))) {
5544 dev->stats.rx_dropped++;
5545 dev->stats.rx_length_errors++;
5546 rtl8169_mark_to_asic(desc, rx_buf_sz);
5547 continue;
5548 }
5549
5550 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5551 tp, pkt_size, addr);
5552 rtl8169_mark_to_asic(desc, rx_buf_sz);
5553 if (!skb) {
5554 dev->stats.rx_dropped++;
5555 continue;
5556 }
5557
5558 rtl8169_rx_csum(skb, status);
5559 skb_put(skb, pkt_size);
5560 skb->protocol = eth_type_trans(skb, dev);
5561
5562 rtl8169_rx_vlan_tag(desc, skb);
5563
5564 napi_gro_receive(&tp->napi, skb);
5565
5566 dev->stats.rx_bytes += pkt_size;
5567 dev->stats.rx_packets++;
5568 }
5569
5570 /* Work around for AMD plateform. */
5571 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5572 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
5573 desc->opts2 = 0;
5574 cur_rx++;
5575 }
5576 }
5577
5578 count = cur_rx - tp->cur_rx;
5579 tp->cur_rx = cur_rx;
5580
5581 tp->dirty_rx += count;
5582
5583 return count;
5584 }
5585
5586 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5587 {
5588 struct net_device *dev = dev_instance;
5589 struct rtl8169_private *tp = netdev_priv(dev);
5590 void __iomem *ioaddr = tp->mmio_addr;
5591 int handled = 0;
5592 int status;
5593
5594 /* loop handling interrupts until we have no new ones or
5595 * we hit a invalid/hotplug case.
5596 */
5597 status = RTL_R16(IntrStatus);
5598 while (status && status != 0xffff) {
5599 handled = 1;
5600
5601 /* Handle all of the error cases first. These will reset
5602 * the chip, so just exit the loop.
5603 */
5604 if (unlikely(!netif_running(dev))) {
5605 rtl8169_hw_reset(tp);
5606 break;
5607 }
5608
5609 if (unlikely(status & RxFIFOOver)) {
5610 switch (tp->mac_version) {
5611 /* Work around for rx fifo overflow */
5612 case RTL_GIGA_MAC_VER_11:
5613 case RTL_GIGA_MAC_VER_22:
5614 case RTL_GIGA_MAC_VER_26:
5615 netif_stop_queue(dev);
5616 rtl8169_tx_timeout(dev);
5617 goto done;
5618 /* Testers needed. */
5619 case RTL_GIGA_MAC_VER_17:
5620 case RTL_GIGA_MAC_VER_19:
5621 case RTL_GIGA_MAC_VER_20:
5622 case RTL_GIGA_MAC_VER_21:
5623 case RTL_GIGA_MAC_VER_23:
5624 case RTL_GIGA_MAC_VER_24:
5625 case RTL_GIGA_MAC_VER_27:
5626 case RTL_GIGA_MAC_VER_28:
5627 case RTL_GIGA_MAC_VER_31:
5628 /* Experimental science. Pktgen proof. */
5629 case RTL_GIGA_MAC_VER_12:
5630 case RTL_GIGA_MAC_VER_25:
5631 if (status == RxFIFOOver)
5632 goto done;
5633 break;
5634 default:
5635 break;
5636 }
5637 }
5638
5639 if (unlikely(status & SYSErr)) {
5640 rtl8169_pcierr_interrupt(dev);
5641 break;
5642 }
5643
5644 if (status & LinkChg)
5645 __rtl8169_check_link_status(dev, tp, ioaddr, true);
5646
5647 /* We need to see the lastest version of tp->intr_mask to
5648 * avoid ignoring an MSI interrupt and having to wait for
5649 * another event which may never come.
5650 */
5651 smp_rmb();
5652 if (status & tp->intr_mask & tp->napi_event) {
5653 RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5654 tp->intr_mask = ~tp->napi_event;
5655
5656 if (likely(napi_schedule_prep(&tp->napi)))
5657 __napi_schedule(&tp->napi);
5658 else
5659 netif_info(tp, intr, dev,
5660 "interrupt %04x in poll\n", status);
5661 }
5662
5663 /* We only get a new MSI interrupt when all active irq
5664 * sources on the chip have been acknowledged. So, ack
5665 * everything we've seen and check if new sources have become
5666 * active to avoid blocking all interrupts from the chip.
5667 */
5668 RTL_W16(IntrStatus,
5669 (status & RxFIFOOver) ? (status | RxOverflow) : status);
5670 status = RTL_R16(IntrStatus);
5671 }
5672 done:
5673 return IRQ_RETVAL(handled);
5674 }
5675
5676 static int rtl8169_poll(struct napi_struct *napi, int budget)
5677 {
5678 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5679 struct net_device *dev = tp->dev;
5680 void __iomem *ioaddr = tp->mmio_addr;
5681 int work_done;
5682
5683 work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5684 rtl8169_tx_interrupt(dev, tp, ioaddr);
5685
5686 if (work_done < budget) {
5687 napi_complete(napi);
5688
5689 /* We need for force the visibility of tp->intr_mask
5690 * for other CPUs, as we can loose an MSI interrupt
5691 * and potentially wait for a retransmit timeout if we don't.
5692 * The posted write to IntrMask is safe, as it will
5693 * eventually make it to the chip and we won't loose anything
5694 * until it does.
5695 */
5696 tp->intr_mask = 0xffff;
5697 wmb();
5698 RTL_W16(IntrMask, tp->intr_event);
5699 }
5700
5701 return work_done;
5702 }
5703
5704 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5705 {
5706 struct rtl8169_private *tp = netdev_priv(dev);
5707
5708 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5709 return;
5710
5711 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5712 RTL_W32(RxMissed, 0);
5713 }
5714
5715 static void rtl8169_down(struct net_device *dev)
5716 {
5717 struct rtl8169_private *tp = netdev_priv(dev);
5718 void __iomem *ioaddr = tp->mmio_addr;
5719
5720 del_timer_sync(&tp->timer);
5721
5722 netif_stop_queue(dev);
5723
5724 napi_disable(&tp->napi);
5725
5726 spin_lock_irq(&tp->lock);
5727
5728 rtl8169_hw_reset(tp);
5729 /*
5730 * At this point device interrupts can not be enabled in any function,
5731 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5732 * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5733 */
5734 rtl8169_rx_missed(dev, ioaddr);
5735
5736 spin_unlock_irq(&tp->lock);
5737
5738 synchronize_irq(dev->irq);
5739
5740 /* Give a racing hard_start_xmit a few cycles to complete. */
5741 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
5742
5743 rtl8169_tx_clear(tp);
5744
5745 rtl8169_rx_clear(tp);
5746
5747 rtl_pll_power_down(tp);
5748 }
5749
5750 static int rtl8169_close(struct net_device *dev)
5751 {
5752 struct rtl8169_private *tp = netdev_priv(dev);
5753 struct pci_dev *pdev = tp->pci_dev;
5754
5755 pm_runtime_get_sync(&pdev->dev);
5756
5757 /* Update counters before going down */
5758 rtl8169_update_counters(dev);
5759
5760 rtl8169_down(dev);
5761
5762 free_irq(dev->irq, dev);
5763
5764 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5765 tp->RxPhyAddr);
5766 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5767 tp->TxPhyAddr);
5768 tp->TxDescArray = NULL;
5769 tp->RxDescArray = NULL;
5770
5771 pm_runtime_put_sync(&pdev->dev);
5772
5773 return 0;
5774 }
5775
5776 static void rtl_set_rx_mode(struct net_device *dev)
5777 {
5778 struct rtl8169_private *tp = netdev_priv(dev);
5779 void __iomem *ioaddr = tp->mmio_addr;
5780 unsigned long flags;
5781 u32 mc_filter[2]; /* Multicast hash filter */
5782 int rx_mode;
5783 u32 tmp = 0;
5784
5785 if (dev->flags & IFF_PROMISC) {
5786 /* Unconditionally log net taps. */
5787 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5788 rx_mode =
5789 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5790 AcceptAllPhys;
5791 mc_filter[1] = mc_filter[0] = 0xffffffff;
5792 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5793 (dev->flags & IFF_ALLMULTI)) {
5794 /* Too many to filter perfectly -- accept all multicasts. */
5795 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5796 mc_filter[1] = mc_filter[0] = 0xffffffff;
5797 } else {
5798 struct netdev_hw_addr *ha;
5799
5800 rx_mode = AcceptBroadcast | AcceptMyPhys;
5801 mc_filter[1] = mc_filter[0] = 0;
5802 netdev_for_each_mc_addr(ha, dev) {
5803 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5804 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5805 rx_mode |= AcceptMulticast;
5806 }
5807 }
5808
5809 spin_lock_irqsave(&tp->lock, flags);
5810
5811 tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
5812
5813 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5814 u32 data = mc_filter[0];
5815
5816 mc_filter[0] = swab32(mc_filter[1]);
5817 mc_filter[1] = swab32(data);
5818 }
5819
5820 RTL_W32(MAR0 + 4, mc_filter[1]);
5821 RTL_W32(MAR0 + 0, mc_filter[0]);
5822
5823 RTL_W32(RxConfig, tmp);
5824
5825 spin_unlock_irqrestore(&tp->lock, flags);
5826 }
5827
5828 /**
5829 * rtl8169_get_stats - Get rtl8169 read/write statistics
5830 * @dev: The Ethernet Device to get statistics for
5831 *
5832 * Get TX/RX statistics for rtl8169
5833 */
5834 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
5835 {
5836 struct rtl8169_private *tp = netdev_priv(dev);
5837 void __iomem *ioaddr = tp->mmio_addr;
5838 unsigned long flags;
5839
5840 if (netif_running(dev)) {
5841 spin_lock_irqsave(&tp->lock, flags);
5842 rtl8169_rx_missed(dev, ioaddr);
5843 spin_unlock_irqrestore(&tp->lock, flags);
5844 }
5845
5846 return &dev->stats;
5847 }
5848
5849 static void rtl8169_net_suspend(struct net_device *dev)
5850 {
5851 struct rtl8169_private *tp = netdev_priv(dev);
5852
5853 if (!netif_running(dev))
5854 return;
5855
5856 rtl_pll_power_down(tp);
5857
5858 netif_device_detach(dev);
5859 netif_stop_queue(dev);
5860 }
5861
5862 #ifdef CONFIG_PM
5863
5864 static int rtl8169_suspend(struct device *device)
5865 {
5866 struct pci_dev *pdev = to_pci_dev(device);
5867 struct net_device *dev = pci_get_drvdata(pdev);
5868
5869 rtl8169_net_suspend(dev);
5870
5871 return 0;
5872 }
5873
5874 static void __rtl8169_resume(struct net_device *dev)
5875 {
5876 struct rtl8169_private *tp = netdev_priv(dev);
5877
5878 netif_device_attach(dev);
5879
5880 rtl_pll_power_up(tp);
5881
5882 rtl8169_schedule_work(dev, rtl8169_reset_task);
5883 }
5884
5885 static int rtl8169_resume(struct device *device)
5886 {
5887 struct pci_dev *pdev = to_pci_dev(device);
5888 struct net_device *dev = pci_get_drvdata(pdev);
5889 struct rtl8169_private *tp = netdev_priv(dev);
5890
5891 rtl8169_init_phy(dev, tp);
5892
5893 if (netif_running(dev))
5894 __rtl8169_resume(dev);
5895
5896 return 0;
5897 }
5898
5899 static int rtl8169_runtime_suspend(struct device *device)
5900 {
5901 struct pci_dev *pdev = to_pci_dev(device);
5902 struct net_device *dev = pci_get_drvdata(pdev);
5903 struct rtl8169_private *tp = netdev_priv(dev);
5904
5905 if (!tp->TxDescArray)
5906 return 0;
5907
5908 spin_lock_irq(&tp->lock);
5909 tp->saved_wolopts = __rtl8169_get_wol(tp);
5910 __rtl8169_set_wol(tp, WAKE_ANY);
5911 spin_unlock_irq(&tp->lock);
5912
5913 rtl8169_net_suspend(dev);
5914
5915 return 0;
5916 }
5917
5918 static int rtl8169_runtime_resume(struct device *device)
5919 {
5920 struct pci_dev *pdev = to_pci_dev(device);
5921 struct net_device *dev = pci_get_drvdata(pdev);
5922 struct rtl8169_private *tp = netdev_priv(dev);
5923
5924 if (!tp->TxDescArray)
5925 return 0;
5926
5927 spin_lock_irq(&tp->lock);
5928 __rtl8169_set_wol(tp, tp->saved_wolopts);
5929 tp->saved_wolopts = 0;
5930 spin_unlock_irq(&tp->lock);
5931
5932 rtl8169_init_phy(dev, tp);
5933
5934 __rtl8169_resume(dev);
5935
5936 return 0;
5937 }
5938
5939 static int rtl8169_runtime_idle(struct device *device)
5940 {
5941 struct pci_dev *pdev = to_pci_dev(device);
5942 struct net_device *dev = pci_get_drvdata(pdev);
5943 struct rtl8169_private *tp = netdev_priv(dev);
5944
5945 return tp->TxDescArray ? -EBUSY : 0;
5946 }
5947
5948 static const struct dev_pm_ops rtl8169_pm_ops = {
5949 .suspend = rtl8169_suspend,
5950 .resume = rtl8169_resume,
5951 .freeze = rtl8169_suspend,
5952 .thaw = rtl8169_resume,
5953 .poweroff = rtl8169_suspend,
5954 .restore = rtl8169_resume,
5955 .runtime_suspend = rtl8169_runtime_suspend,
5956 .runtime_resume = rtl8169_runtime_resume,
5957 .runtime_idle = rtl8169_runtime_idle,
5958 };
5959
5960 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
5961
5962 #else /* !CONFIG_PM */
5963
5964 #define RTL8169_PM_OPS NULL
5965
5966 #endif /* !CONFIG_PM */
5967
5968 static void rtl_shutdown(struct pci_dev *pdev)
5969 {
5970 struct net_device *dev = pci_get_drvdata(pdev);
5971 struct rtl8169_private *tp = netdev_priv(dev);
5972 void __iomem *ioaddr = tp->mmio_addr;
5973
5974 rtl8169_net_suspend(dev);
5975
5976 /* Restore original MAC address */
5977 rtl_rar_set(tp, dev->perm_addr);
5978
5979 spin_lock_irq(&tp->lock);
5980
5981 rtl8169_hw_reset(tp);
5982
5983 spin_unlock_irq(&tp->lock);
5984
5985 if (system_state == SYSTEM_POWER_OFF) {
5986 /* WoL fails with 8168b when the receiver is disabled. */
5987 if ((tp->mac_version == RTL_GIGA_MAC_VER_11 ||
5988 tp->mac_version == RTL_GIGA_MAC_VER_12 ||
5989 tp->mac_version == RTL_GIGA_MAC_VER_17) &&
5990 (tp->features & RTL_FEATURE_WOL)) {
5991 pci_clear_master(pdev);
5992
5993 RTL_W8(ChipCmd, CmdRxEnb);
5994 /* PCI commit */
5995 RTL_R8(ChipCmd);
5996 }
5997
5998 pci_wake_from_d3(pdev, true);
5999 pci_set_power_state(pdev, PCI_D3hot);
6000 }
6001 }
6002
6003 static struct pci_driver rtl8169_pci_driver = {
6004 .name = MODULENAME,
6005 .id_table = rtl8169_pci_tbl,
6006 .probe = rtl8169_init_one,
6007 .remove = __devexit_p(rtl8169_remove_one),
6008 .shutdown = rtl_shutdown,
6009 .driver.pm = RTL8169_PM_OPS,
6010 };
6011
6012 static int __init rtl8169_init_module(void)
6013 {
6014 return pci_register_driver(&rtl8169_pci_driver);
6015 }
6016
6017 static void __exit rtl8169_cleanup_module(void)
6018 {
6019 pci_unregister_driver(&rtl8169_pci_driver);
6020 }
6021
6022 module_init(rtl8169_init_module);
6023 module_exit(rtl8169_cleanup_module);
Linux kernel - Deliverables
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