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1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2015 Realtek Semiconductor Corp. All rights reserved.
4  *
5   */
6 
7 #ifndef _RTL8152_ETH_H
8 #define _RTL8152_ETH_H
9 
10 #define R8152_BASE_NAME		"r8152"
11 
12 #define PLA_IDR			0xc000
13 #define PLA_RCR			0xc010
14 #define PLA_RMS			0xc016
15 #define PLA_RXFIFO_CTRL0	0xc0a0
16 #define PLA_RXFIFO_CTRL1	0xc0a4
17 #define PLA_RXFIFO_CTRL2	0xc0a8
18 #define PLA_DMY_REG0		0xc0b0
19 #define PLA_FMC			0xc0b4
20 #define PLA_CFG_WOL		0xc0b6
21 #define PLA_TEREDO_CFG		0xc0bc
22 #define PLA_MAR			0xcd00
23 #define PLA_BACKUP		0xd000
24 #define PAL_BDC_CR		0xd1a0
25 #define PLA_TEREDO_TIMER	0xd2cc
26 #define PLA_REALWOW_TIMER	0xd2e8
27 #define PLA_LEDSEL		0xdd90
28 #define PLA_LED_FEATURE		0xdd92
29 #define PLA_PHYAR		0xde00
30 #define PLA_BOOT_CTRL		0xe004
31 #define PLA_GPHY_INTR_IMR	0xe022
32 #define PLA_EEE_CR		0xe040
33 #define PLA_EEEP_CR		0xe080
34 #define PLA_MAC_PWR_CTRL	0xe0c0
35 #define PLA_MAC_PWR_CTRL2	0xe0ca
36 #define PLA_MAC_PWR_CTRL3	0xe0cc
37 #define PLA_MAC_PWR_CTRL4	0xe0ce
38 #define PLA_WDT6_CTRL		0xe428
39 #define PLA_TCR0		0xe610
40 #define PLA_TCR1		0xe612
41 #define PLA_MTPS		0xe615
42 #define PLA_TXFIFO_CTRL		0xe618
43 #define PLA_RSTTALLY		0xe800
44 #define BIST_CTRL		0xe810
45 #define PLA_CR			0xe813
46 #define PLA_CRWECR		0xe81c
47 #define PLA_CONFIG12		0xe81e	/* CONFIG1, CONFIG2 */
48 #define PLA_CONFIG34		0xe820	/* CONFIG3, CONFIG4 */
49 #define PLA_CONFIG5		0xe822
50 #define PLA_PHY_PWR		0xe84c
51 #define PLA_OOB_CTRL		0xe84f
52 #define PLA_CPCR		0xe854
53 #define PLA_MISC_0		0xe858
54 #define PLA_MISC_1		0xe85a
55 #define PLA_OCP_GPHY_BASE	0xe86c
56 #define PLA_TALLYCNT		0xe890
57 #define PLA_SFF_STS_7		0xe8de
58 #define PLA_PHYSTATUS		0xe908
59 #define PLA_BP_BA		0xfc26
60 #define PLA_BP_0		0xfc28
61 #define PLA_BP_1		0xfc2a
62 #define PLA_BP_2		0xfc2c
63 #define PLA_BP_3		0xfc2e
64 #define PLA_BP_4		0xfc30
65 #define PLA_BP_5		0xfc32
66 #define PLA_BP_6		0xfc34
67 #define PLA_BP_7		0xfc36
68 #define PLA_BP_EN		0xfc38
69 
70 #define USB_USB2PHY		0xb41e
71 #define USB_SSPHYLINK2		0xb428
72 #define USB_U2P3_CTRL		0xb460
73 #define USB_CSR_DUMMY1		0xb464
74 #define USB_CSR_DUMMY2		0xb466
75 #define USB_DEV_STAT		0xb808
76 #define USB_CONNECT_TIMER	0xcbf8
77 #define USB_BURST_SIZE		0xcfc0
78 #define USB_USB_CTRL		0xd406
79 #define USB_PHY_CTRL		0xd408
80 #define USB_TX_AGG		0xd40a
81 #define USB_RX_BUF_TH		0xd40c
82 #define USB_USB_TIMER		0xd428
83 #define USB_RX_EARLY_TIMEOUT	0xd42c
84 #define USB_RX_EARLY_SIZE	0xd42e
85 #define USB_PM_CTRL_STATUS	0xd432
86 #define USB_TX_DMA		0xd434
87 #define USB_TOLERANCE		0xd490
88 #define USB_LPM_CTRL		0xd41a
89 #define USB_UPS_CTRL		0xd800
90 #define USB_MISC_0		0xd81a
91 #define USB_POWER_CUT		0xd80a
92 #define USB_AFE_CTRL2		0xd824
93 #define USB_WDT11_CTRL		0xe43c
94 #define USB_BP_BA		0xfc26
95 #define USB_BP_0		0xfc28
96 #define USB_BP_1		0xfc2a
97 #define USB_BP_2		0xfc2c
98 #define USB_BP_3		0xfc2e
99 #define USB_BP_4		0xfc30
100 #define USB_BP_5		0xfc32
101 #define USB_BP_6		0xfc34
102 #define USB_BP_7		0xfc36
103 #define USB_BP_EN		0xfc38
104 
105 /* OCP Registers */
106 #define OCP_ALDPS_CONFIG	0x2010
107 #define OCP_EEE_CONFIG1		0x2080
108 #define OCP_EEE_CONFIG2		0x2092
109 #define OCP_EEE_CONFIG3		0x2094
110 #define OCP_BASE_MII		0xa400
111 #define OCP_EEE_AR		0xa41a
112 #define OCP_EEE_DATA		0xa41c
113 #define OCP_PHY_STATUS		0xa420
114 #define OCP_POWER_CFG		0xa430
115 #define OCP_EEE_CFG		0xa432
116 #define OCP_SRAM_ADDR		0xa436
117 #define OCP_SRAM_DATA		0xa438
118 #define OCP_DOWN_SPEED		0xa442
119 #define OCP_EEE_ABLE		0xa5c4
120 #define OCP_EEE_ADV		0xa5d0
121 #define OCP_EEE_LPABLE		0xa5d2
122 #define OCP_PHY_STATE		0xa708		/* nway state for 8153 */
123 #define OCP_ADC_CFG		0xbc06
124 
125 /* SRAM Register */
126 #define SRAM_LPF_CFG		0x8012
127 #define SRAM_10M_AMP1		0x8080
128 #define SRAM_10M_AMP2		0x8082
129 #define SRAM_IMPEDANCE		0x8084
130 
131 /* PLA_RCR */
132 #define RCR_AAP			0x00000001
133 #define RCR_APM			0x00000002
134 #define RCR_AM			0x00000004
135 #define RCR_AB			0x00000008
136 #define RCR_ACPT_ALL		(RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
137 
138 /* PLA_RXFIFO_CTRL0 */
139 #define RXFIFO_THR1_NORMAL	0x00080002
140 #define RXFIFO_THR1_OOB		0x01800003
141 
142 /* PLA_RXFIFO_CTRL1 */
143 #define RXFIFO_THR2_FULL	0x00000060
144 #define RXFIFO_THR2_HIGH	0x00000038
145 #define RXFIFO_THR2_OOB		0x0000004a
146 #define RXFIFO_THR2_NORMAL	0x00a0
147 
148 /* PLA_RXFIFO_CTRL2 */
149 #define RXFIFO_THR3_FULL	0x00000078
150 #define RXFIFO_THR3_HIGH	0x00000048
151 #define RXFIFO_THR3_OOB		0x0000005a
152 #define RXFIFO_THR3_NORMAL	0x0110
153 
154 /* PLA_TXFIFO_CTRL */
155 #define TXFIFO_THR_NORMAL	0x00400008
156 #define TXFIFO_THR_NORMAL2	0x01000008
157 
158 /* PLA_DMY_REG0 */
159 #define ECM_ALDPS		0x0002
160 
161 /* PLA_FMC */
162 #define FMC_FCR_MCU_EN		0x0001
163 
164 /* PLA_EEEP_CR */
165 #define EEEP_CR_EEEP_TX		0x0002
166 
167 /* PLA_WDT6_CTRL */
168 #define WDT6_SET_MODE		0x0010
169 
170 /* PLA_TCR0 */
171 #define TCR0_TX_EMPTY		0x0800
172 #define TCR0_AUTO_FIFO		0x0080
173 
174 /* PLA_TCR1 */
175 #define VERSION_MASK		0x7cf0
176 
177 /* PLA_MTPS */
178 #define MTPS_JUMBO		(12 * 1024 / 64)
179 #define MTPS_DEFAULT		(6 * 1024 / 64)
180 
181 /* PLA_RSTTALLY */
182 #define TALLY_RESET		0x0001
183 
184 /* PLA_CR */
185 #define PLA_CR_RST		0x10
186 #define PLA_CR_RE		0x08
187 #define PLA_CR_TE		0x04
188 
189 /* PLA_BIST_CTRL */
190 #define BIST_CTRL_SW_RESET (0x10 << 24)
191 
192 /* PLA_CRWECR */
193 #define CRWECR_NORAML		0x00
194 #define CRWECR_CONFIG		0xc0
195 
196 /* PLA_OOB_CTRL */
197 #define NOW_IS_OOB		0x80
198 #define TXFIFO_EMPTY		0x20
199 #define RXFIFO_EMPTY		0x10
200 #define LINK_LIST_READY		0x02
201 #define DIS_MCU_CLROOB		0x01
202 #define FIFO_EMPTY		(TXFIFO_EMPTY | RXFIFO_EMPTY)
203 
204 /* PLA_PHY_PWR */
205 #define PLA_PHY_PWR_LLR	(LINK_LIST_READY << 24)
206 #define PLA_PHY_PWR_TXEMP	(TXFIFO_EMPTY << 24)
207 
208 /* PLA_MISC_1 */
209 #define RXDY_GATED_EN		0x0008
210 
211 /* PLA_SFF_STS_7 */
212 #define RE_INIT_LL		0x8000
213 #define MCU_BORW_EN		0x4000
214 
215 /* PLA_CPCR */
216 #define CPCR_RX_VLAN		0x0040
217 
218 /* PLA_CFG_WOL */
219 #define MAGIC_EN		0x0001
220 
221 /* PLA_TEREDO_CFG */
222 #define TEREDO_SEL		0x8000
223 #define TEREDO_WAKE_MASK	0x7f00
224 #define TEREDO_RS_EVENT_MASK	0x00fe
225 #define OOB_TEREDO_EN		0x0001
226 
227 /* PAL_BDC_CR */
228 #define ALDPS_PROXY_MODE	0x0001
229 
230 /* PLA_CONFIG34 */
231 #define LINK_ON_WAKE_EN		0x0010
232 #define LINK_OFF_WAKE_EN	0x0008
233 
234 /* PLA_CONFIG5 */
235 #define BWF_EN			0x0040
236 #define MWF_EN			0x0020
237 #define UWF_EN			0x0010
238 #define LAN_WAKE_EN		0x0002
239 
240 /* PLA_LED_FEATURE */
241 #define LED_MODE_MASK		0x0700
242 
243 /* PLA_PHY_PWR */
244 #define TX_10M_IDLE_EN		0x0080
245 #define PFM_PWM_SWITCH		0x0040
246 
247 /* PLA_MAC_PWR_CTRL */
248 #define D3_CLK_GATED_EN		0x00004000
249 #define MCU_CLK_RATIO		0x07010f07
250 #define MCU_CLK_RATIO_MASK	0x0f0f0f0f
251 #define ALDPS_SPDWN_RATIO	0x0f87
252 
253 /* PLA_MAC_PWR_CTRL2 */
254 #define EEE_SPDWN_RATIO		0x8007
255 
256 /* PLA_MAC_PWR_CTRL3 */
257 #define PKT_AVAIL_SPDWN_EN	0x0100
258 #define SUSPEND_SPDWN_EN	0x0004
259 #define U1U2_SPDWN_EN		0x0002
260 #define L1_SPDWN_EN		0x0001
261 
262 /* PLA_MAC_PWR_CTRL4 */
263 #define PWRSAVE_SPDWN_EN	0x1000
264 #define RXDV_SPDWN_EN		0x0800
265 #define TX10MIDLE_EN		0x0100
266 #define TP100_SPDWN_EN		0x0020
267 #define TP500_SPDWN_EN		0x0010
268 #define TP1000_SPDWN_EN		0x0008
269 #define EEE_SPDWN_EN		0x0001
270 
271 /* PLA_GPHY_INTR_IMR */
272 #define GPHY_STS_MSK		0x0001
273 #define SPEED_DOWN_MSK		0x0002
274 #define SPDWN_RXDV_MSK		0x0004
275 #define SPDWN_LINKCHG_MSK	0x0008
276 
277 /* PLA_PHYAR */
278 #define PHYAR_FLAG		0x80000000
279 
280 /* PLA_EEE_CR */
281 #define EEE_RX_EN		0x0001
282 #define EEE_TX_EN		0x0002
283 
284 /* PLA_BOOT_CTRL */
285 #define AUTOLOAD_DONE		0x0002
286 
287 /* USB_USB2PHY */
288 #define USB2PHY_SUSPEND		0x0001
289 #define USB2PHY_L1		0x0002
290 
291 /* USB_SSPHYLINK2 */
292 #define pwd_dn_scale_mask	0x3ffe
293 #define pwd_dn_scale(x)		((x) << 1)
294 
295 /* USB_CSR_DUMMY1 */
296 #define DYNAMIC_BURST		0x0001
297 
298 /* USB_CSR_DUMMY2 */
299 #define EP4_FULL_FC		0x0001
300 
301 /* USB_DEV_STAT */
302 #define STAT_SPEED_MASK		0x0006
303 #define STAT_SPEED_HIGH		0x0000
304 #define STAT_SPEED_FULL		0x0002
305 
306 /* USB_TX_AGG */
307 #define TX_AGG_MAX_THRESHOLD	0x03
308 
309 /* USB_RX_BUF_TH */
310 #define RX_THR_SUPPER		0x0c350180
311 #define RX_THR_HIGH		0x7a120180
312 #define RX_THR_SLOW		0xffff0180
313 
314 /* USB_TX_DMA */
315 #define TEST_MODE_DISABLE	0x00000001
316 #define TX_SIZE_ADJUST1		0x00000100
317 
318 /* USB_UPS_CTRL */
319 #define POWER_CUT		0x0100
320 
321 /* USB_PM_CTRL_STATUS */
322 #define RESUME_INDICATE		0x0001
323 
324 /* USB_USB_CTRL */
325 #define RX_AGG_DISABLE		0x0010
326 #define RX_ZERO_EN		0x0080
327 
328 /* USB_U2P3_CTRL */
329 #define U2P3_ENABLE		0x0001
330 
331 /* USB_POWER_CUT */
332 #define PWR_EN			0x0001
333 #define PHASE2_EN		0x0008
334 
335 /* USB_MISC_0 */
336 #define PCUT_STATUS		0x0001
337 
338 /* USB_RX_EARLY_TIMEOUT */
339 #define COALESCE_SUPER		 85000U
340 #define COALESCE_HIGH		250000U
341 #define COALESCE_SLOW		524280U
342 
343 /* USB_WDT11_CTRL */
344 #define TIMER11_EN		0x0001
345 
346 /* USB_LPM_CTRL */
347 /* bit 4 ~ 5: fifo empty boundary */
348 #define FIFO_EMPTY_1FB		0x30	/* 0x1fb * 64 = 32448 bytes */
349 /* bit 2 ~ 3: LMP timer */
350 #define LPM_TIMER_MASK		0x0c
351 #define LPM_TIMER_500MS		0x04	/* 500 ms */
352 #define LPM_TIMER_500US		0x0c	/* 500 us */
353 #define ROK_EXIT_LPM		0x02
354 
355 /* USB_AFE_CTRL2 */
356 #define SEN_VAL_MASK		0xf800
357 #define SEN_VAL_NORMAL		0xa000
358 #define SEL_RXIDLE		0x0100
359 
360 /* OCP_ALDPS_CONFIG */
361 #define ENPWRSAVE		0x8000
362 #define ENPDNPS			0x0200
363 #define LINKENA			0x0100
364 #define DIS_SDSAVE		0x0010
365 
366 /* OCP_PHY_STATUS */
367 #define PHY_STAT_MASK		0x0007
368 #define PHY_STAT_LAN_ON		3
369 #define PHY_STAT_PWRDN		5
370 
371 /* OCP_POWER_CFG */
372 #define EEE_CLKDIV_EN		0x8000
373 #define EN_ALDPS		0x0004
374 #define EN_10M_PLLOFF		0x0001
375 
376 /* OCP_EEE_CONFIG1 */
377 #define RG_TXLPI_MSK_HFDUP	0x8000
378 #define RG_MATCLR_EN		0x4000
379 #define EEE_10_CAP		0x2000
380 #define EEE_NWAY_EN		0x1000
381 #define TX_QUIET_EN		0x0200
382 #define RX_QUIET_EN		0x0100
383 #define sd_rise_time_mask	0x0070
384 #define sd_rise_time(x)		(min((x), 7) << 4)	/* bit 4 ~ 6 */
385 #define RG_RXLPI_MSK_HFDUP	0x0008
386 #define SDFALLTIME		0x0007	/* bit 0 ~ 2 */
387 
388 /* OCP_EEE_CONFIG2 */
389 #define RG_LPIHYS_NUM		0x7000	/* bit 12 ~ 15 */
390 #define RG_DACQUIET_EN		0x0400
391 #define RG_LDVQUIET_EN		0x0200
392 #define RG_CKRSEL		0x0020
393 #define RG_EEEPRG_EN		0x0010
394 
395 /* OCP_EEE_CONFIG3 */
396 #define fast_snr_mask		0xff80
397 #define fast_snr(x)		(min((x), 0x1ff) << 7)	/* bit 7 ~ 15 */
398 #define RG_LFS_SEL		0x0060	/* bit 6 ~ 5 */
399 #define MSK_PH			0x0006	/* bit 0 ~ 3 */
400 
401 /* OCP_EEE_AR */
402 /* bit[15:14] function */
403 #define FUN_ADDR		0x0000
404 #define FUN_DATA		0x4000
405 /* bit[4:0] device addr */
406 
407 /* OCP_EEE_CFG */
408 #define CTAP_SHORT_EN		0x0040
409 #define EEE10_EN		0x0010
410 
411 /* OCP_DOWN_SPEED */
412 #define EN_10M_BGOFF		0x0080
413 
414 /* OCP_PHY_STATE */
415 #define TXDIS_STATE		0x01
416 #define ABD_STATE		0x02
417 
418 /* OCP_ADC_CFG */
419 #define CKADSEL_L		0x0100
420 #define ADC_EN			0x0080
421 #define EN_EMI_L		0x0040
422 
423 /* SRAM_LPF_CFG */
424 #define LPF_AUTO_TUNE		0x8000
425 
426 /* SRAM_10M_AMP1 */
427 #define GDAC_IB_UPALL		0x0008
428 
429 /* SRAM_10M_AMP2 */
430 #define AMP_DN			0x0200
431 
432 /* SRAM_IMPEDANCE */
433 #define RX_DRIVING_MASK		0x6000
434 
435 #define RTL8152_MAX_TX		4
436 #define RTL8152_MAX_RX		10
437 #define INTBUFSIZE		2
438 #define CRC_SIZE		4
439 #define TX_ALIGN		4
440 #define RX_ALIGN		8
441 
442 #define INTR_LINK		0x0004
443 
444 #define RTL8152_REQT_READ	0xc0
445 #define RTL8152_REQT_WRITE	0x40
446 #define RTL8152_REQ_GET_REGS	0x05
447 #define RTL8152_REQ_SET_REGS	0x05
448 
449 #define BYTE_EN_DWORD		0xff
450 #define BYTE_EN_WORD		0x33
451 #define BYTE_EN_BYTE		0x11
452 #define BYTE_EN_SIX_BYTES	0x3f
453 #define BYTE_EN_START_MASK	0x0f
454 #define BYTE_EN_END_MASK	0xf0
455 
456 #define RTL8152_ETH_FRAME_LEN	1514
457 #define RTL8152_AGG_BUF_SZ	2048
458 
459 #define RTL8152_RMS		(RTL8152_ETH_FRAME_LEN + CRC_SIZE)
460 #define RTL8153_RMS		(RTL8152_ETH_FRAME_LEN + CRC_SIZE)
461 #define RTL8152_TX_TIMEOUT	(5 * HZ)
462 
463 #define MCU_TYPE_PLA			0x0100
464 #define MCU_TYPE_USB			0x0000
465 
466 /* The forced speed, 10Mb, 100Mb, gigabit. */
467 #define SPEED_10                10
468 #define SPEED_100               100
469 #define SPEED_1000              1000
470 
471 #define SPEED_UNKNOWN           -1
472 
473 /* Duplex, half or full. */
474 #define DUPLEX_HALF             0x00
475 #define DUPLEX_FULL             0x01
476 #define DUPLEX_UNKNOWN          0xff
477 
478 /* Enable or disable autonegotiation. */
479 #define AUTONEG_DISABLE         0x00
480 #define AUTONEG_ENABLE          0x01
481 
482 /* Generic MII registers. */
483 #define MII_BMCR                0x00    /* Basic mode control register */
484 #define MII_BMSR                0x01    /* Basic mode status register  */
485 #define MII_PHYSID1             0x02    /* PHYS ID 1                   */
486 #define MII_PHYSID2             0x03    /* PHYS ID 2                   */
487 #define MII_ADVERTISE           0x04    /* Advertisement control reg   */
488 #define MII_LPA                 0x05    /* Link partner ability reg    */
489 #define MII_EXPANSION           0x06    /* Expansion register          */
490 #define MII_CTRL1000            0x09    /* 1000BASE-T control          */
491 #define MII_STAT1000            0x0a    /* 1000BASE-T status           */
492 #define MII_MMD_CTRL            0x0d    /* MMD Access Control Register */
493 #define MII_MMD_DATA            0x0e    /* MMD Access Data Register */
494 #define MII_ESTATUS             0x0f    /* Extended Status             */
495 #define MII_DCOUNTER            0x12    /* Disconnect counter          */
496 #define MII_FCSCOUNTER          0x13    /* False carrier counter       */
497 #define MII_NWAYTEST            0x14    /* N-way auto-neg test reg     */
498 #define MII_RERRCOUNTER         0x15    /* Receive error counter       */
499 #define MII_SREVISION           0x16    /* Silicon revision            */
500 #define MII_RESV1               0x17    /* Reserved...                 */
501 #define MII_LBRERROR            0x18    /* Lpback, rx, bypass error    */
502 #define MII_PHYADDR             0x19    /* PHY address                 */
503 #define MII_RESV2               0x1a    /* Reserved...                 */
504 #define MII_TPISTATUS           0x1b    /* TPI status for 10mbps       */
505 #define MII_NCONFIG             0x1c    /* Network interface config    */
506 
507 #define TIMEOUT_RESOLUTION	50
508 #define PHY_CONNECT_TIMEOUT     5000
509 #define USB_BULK_SEND_TIMEOUT   5000
510 #define USB_BULK_RECV_TIMEOUT   5000
511 #define R8152_WAIT_TIMEOUT	2000
512 
513 struct rx_desc {
514 	__le32 opts1;
515 #define RD_CRC				BIT(15)
516 #define RX_LEN_MASK			0x7fff
517 
518 	__le32 opts2;
519 #define RD_UDP_CS			BIT(23)
520 #define RD_TCP_CS			BIT(22)
521 #define RD_IPV6_CS			BIT(20)
522 #define RD_IPV4_CS			BIT(19)
523 
524 	__le32 opts3;
525 #define IPF				BIT(23) /* IP checksum fail */
526 #define UDPF				BIT(22) /* UDP checksum fail */
527 #define TCPF				BIT(21) /* TCP checksum fail */
528 #define RX_VLAN_TAG			BIT(16)
529 
530 	__le32 opts4;
531 	__le32 opts5;
532 	__le32 opts6;
533 };
534 
535 struct tx_desc {
536 	__le32 opts1;
537 #define TX_FS			BIT(31) /* First segment of a packet */
538 #define TX_LS			BIT(30) /* Final segment of a packet */
539 #define LGSEND			BIT(29)
540 #define GTSENDV4		BIT(28)
541 #define GTSENDV6		BIT(27)
542 #define GTTCPHO_SHIFT		18
543 #define GTTCPHO_MAX		0x7fU
544 #define TX_LEN_MAX		0x3ffffU
545 
546 	__le32 opts2;
547 #define UDP_CS			BIT(31) /* Calculate UDP/IP checksum */
548 #define TCP_CS			BIT(30) /* Calculate TCP/IP checksum */
549 #define IPV4_CS			BIT(29) /* Calculate IPv4 checksum */
550 #define IPV6_CS			BIT(28) /* Calculate IPv6 checksum */
551 #define MSS_SHIFT		17
552 #define MSS_MAX			0x7ffU
553 #define TCPHO_SHIFT		17
554 #define TCPHO_MAX		0x7ffU
555 #define TX_VLAN_TAG		BIT(16)
556 };
557 
558 enum rtl_version {
559 	RTL_VER_UNKNOWN = 0,
560 	RTL_VER_01,
561 	RTL_VER_02,
562 	RTL_VER_03,
563 	RTL_VER_04,
564 	RTL_VER_05,
565 	RTL_VER_06,
566 	RTL_VER_07,
567 	RTL_VER_MAX
568 };
569 
570 enum rtl_register_content {
571 	_1000bps	= 0x10,
572 	_100bps		= 0x08,
573 	_10bps		= 0x04,
574 	LINK_STATUS	= 0x02,
575 	FULL_DUP	= 0x01,
576 };
577 
578 struct r8152 {
579 	struct usb_device *udev;
580 	struct usb_interface *intf;
581 	bool supports_gmii;
582 
583 	struct rtl_ops {
584 		void (*init)(struct r8152 *);
585 		int (*enable)(struct r8152 *);
586 		void (*disable)(struct r8152 *);
587 		void (*up)(struct r8152 *);
588 		void (*down)(struct r8152 *);
589 		void (*unload)(struct r8152 *);
590 	} rtl_ops;
591 
592 	u32 coalesce;
593 	u16 ocp_base;
594 
595 	u8 version;
596 
597 #ifdef CONFIG_DM_ETH
598 	struct ueth_data ueth;
599 #endif
600 };
601 
602 int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
603 		      u16 size, void *data, u16 type);
604 int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
605 		     void *data, u16 type);
606 
607 int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data);
608 int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
609 		  u16 size, void *data);
610 
611 int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data);
612 int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
613 		  u16 size, void *data);
614 
615 u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index);
616 void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data);
617 
618 u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index);
619 void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data);
620 
621 u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index);
622 void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data);
623 
624 u16 ocp_reg_read(struct r8152 *tp, u16 addr);
625 void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data);
626 
627 void sram_write(struct r8152 *tp, u16 addr, u16 data);
628 
629 int r8152_wait_for_bit(struct r8152 *tp, bool ocp_reg, u16 type, u16 index,
630 		       const u32 mask, bool set, unsigned int timeout);
631 
632 void r8152b_firmware(struct r8152 *tp);
633 void r8153_firmware(struct r8152 *tp);
634 #endif
635