1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Thunderbolt driver - Port/Switch config area registers
4  *
5  * Every thunderbolt device consists (logically) of a switch with multiple
6  * ports. Every port contains up to four config regions (HOPS, PORT, SWITCH,
7  * COUNTERS) which are used to configure the device.
8  *
9  * Copyright (c) 2014 Andreas Noever <andreas.noever@gmail.com>
10  * Copyright (C) 2018, Intel Corporation
11  */
12 
13 #ifndef _TB_REGS
14 #define _TB_REGS
15 
16 #include <linux/types.h>
17 
18 
19 #define TB_ROUTE_SHIFT 8  /* number of bits in a port entry of a route */
20 
21 
22 /*
23  * TODO: should be 63? But we do not know how to receive frames larger than 256
24  * bytes at the frame level. (header + checksum = 16, 60*4 = 240)
25  */
26 #define TB_MAX_CONFIG_RW_LENGTH 60
27 
28 enum tb_switch_cap {
29 	TB_SWITCH_CAP_TMU		= 0x03,
30 	TB_SWITCH_CAP_VSE		= 0x05,
31 };
32 
33 enum tb_switch_vse_cap {
34 	TB_VSE_CAP_PLUG_EVENTS		= 0x01, /* also EEPROM */
35 	TB_VSE_CAP_TIME2		= 0x03,
36 	TB_VSE_CAP_CP_LP		= 0x04,
37 	TB_VSE_CAP_LINK_CONTROLLER	= 0x06, /* also IECS */
38 };
39 
40 enum tb_port_cap {
41 	TB_PORT_CAP_PHY			= 0x01,
42 	TB_PORT_CAP_POWER		= 0x02,
43 	TB_PORT_CAP_TIME1		= 0x03,
44 	TB_PORT_CAP_ADAP		= 0x04,
45 	TB_PORT_CAP_VSE			= 0x05,
46 	TB_PORT_CAP_USB4		= 0x06,
47 };
48 
49 enum tb_port_state {
50 	TB_PORT_DISABLED	= 0, /* tb_cap_phy.disable == 1 */
51 	TB_PORT_CONNECTING	= 1, /* retry */
52 	TB_PORT_UP		= 2,
53 	TB_PORT_UNPLUGGED	= 7,
54 };
55 
56 /* capability headers */
57 
58 struct tb_cap_basic {
59 	u8 next;
60 	/* enum tb_cap cap:8; prevent "narrower than values of its type" */
61 	u8 cap; /* if cap == 0x05 then we have a extended capability */
62 } __packed;
63 
64 /**
65  * struct tb_cap_extended_short - Switch extended short capability
66  * @next: Pointer to the next capability. If @next and @length are zero
67  *	  then we have a long cap.
68  * @cap: Base capability ID (see &enum tb_switch_cap)
69  * @vsec_id: Vendor specific capability ID (see &enum switch_vse_cap)
70  * @length: Length of this capability
71  */
72 struct tb_cap_extended_short {
73 	u8 next;
74 	u8 cap;
75 	u8 vsec_id;
76 	u8 length;
77 } __packed;
78 
79 /**
80  * struct tb_cap_extended_long - Switch extended long capability
81  * @zero1: This field should be zero
82  * @cap: Base capability ID (see &enum tb_switch_cap)
83  * @vsec_id: Vendor specific capability ID (see &enum switch_vse_cap)
84  * @zero2: This field should be zero
85  * @next: Pointer to the next capability
86  * @length: Length of this capability
87  */
88 struct tb_cap_extended_long {
89 	u8 zero1;
90 	u8 cap;
91 	u8 vsec_id;
92 	u8 zero2;
93 	u16 next;
94 	u16 length;
95 } __packed;
96 
97 /**
98  * struct tb_cap_any - Structure capable of hold every capability
99  * @basic: Basic capability
100  * @extended_short: Vendor specific capability
101  * @extended_long: Vendor specific extended capability
102  */
103 struct tb_cap_any {
104 	union {
105 		struct tb_cap_basic basic;
106 		struct tb_cap_extended_short extended_short;
107 		struct tb_cap_extended_long extended_long;
108 	};
109 } __packed;
110 
111 /* capabilities */
112 
113 struct tb_cap_link_controller {
114 	struct tb_cap_extended_long cap_header;
115 	u32 count:4; /* number of link controllers */
116 	u32 unknown1:4;
117 	u32 base_offset:8; /*
118 			    * offset (into this capability) of the configuration
119 			    * area of the first link controller
120 			    */
121 	u32 length:12; /* link controller configuration area length */
122 	u32 unknown2:4; /* TODO check that length is correct */
123 } __packed;
124 
125 struct tb_cap_phy {
126 	struct tb_cap_basic cap_header;
127 	u32 unknown1:16;
128 	u32 unknown2:14;
129 	bool disable:1;
130 	u32 unknown3:11;
131 	enum tb_port_state state:4;
132 	u32 unknown4:2;
133 } __packed;
134 
135 struct tb_eeprom_ctl {
136 	bool fl_sk:1; /* send pulse to transfer one bit */
137 	bool fl_cs:1; /* set to 0 before access */
138 	bool fl_di:1; /* to eeprom */
139 	bool fl_do:1; /* from eeprom */
140 	bool bit_banging_enable:1; /* set to 1 before access */
141 	bool not_present:1; /* should be 0 */
142 	bool unknown1:1;
143 	bool present:1; /* should be 1 */
144 	u32 unknown2:24;
145 } __packed;
146 
147 struct tb_cap_plug_events {
148 	struct tb_cap_extended_short cap_header;
149 	u32 __unknown1:2; /* VSC_CS_1 */
150 	u32 plug_events:5; /* VSC_CS_1 */
151 	u32 __unknown2:25; /* VSC_CS_1 */
152 	u32 vsc_cs_2;
153 	u32 vsc_cs_3;
154 	struct tb_eeprom_ctl eeprom_ctl;
155 	u32 __unknown5[7]; /* VSC_CS_5 -> VSC_CS_11 */
156 	u32 drom_offset; /* VSC_CS_12: 32 bit register, but eeprom addresses are 16 bit */
157 } __packed;
158 
159 /* device headers */
160 
161 /* Present on port 0 in TB_CFG_SWITCH at address zero. */
162 struct tb_regs_switch_header {
163 	/* DWORD 0 */
164 	u16 vendor_id;
165 	u16 device_id;
166 	/* DWORD 1 */
167 	u32 first_cap_offset:8;
168 	u32 upstream_port_number:6;
169 	u32 max_port_number:6;
170 	u32 depth:3;
171 	u32 __unknown1:1;
172 	u32 revision:8;
173 	/* DWORD 2 */
174 	u32 route_lo;
175 	/* DWORD 3 */
176 	u32 route_hi:31;
177 	bool enabled:1;
178 	/* DWORD 4 */
179 	u32 plug_events_delay:8; /*
180 				  * RW, pause between plug events in
181 				  * milliseconds. Writing 0x00 is interpreted
182 				  * as 255ms.
183 				  */
184 	u32 cmuv:8;
185 	u32 __unknown4:8;
186 	u32 thunderbolt_version:8;
187 } __packed;
188 
189 /* USB4 version 1.0 */
190 #define USB4_VERSION_1_0			0x20
191 
192 #define ROUTER_CS_1				0x01
193 #define ROUTER_CS_4				0x04
194 #define ROUTER_CS_5				0x05
195 #define ROUTER_CS_5_SLP				BIT(0)
196 #define ROUTER_CS_5_WOP				BIT(1)
197 #define ROUTER_CS_5_WOU				BIT(2)
198 #define ROUTER_CS_5_WOD				BIT(3)
199 #define ROUTER_CS_5_C3S				BIT(23)
200 #define ROUTER_CS_5_PTO				BIT(24)
201 #define ROUTER_CS_5_UTO				BIT(25)
202 #define ROUTER_CS_5_HCO				BIT(26)
203 #define ROUTER_CS_5_CV				BIT(31)
204 #define ROUTER_CS_6				0x06
205 #define ROUTER_CS_6_SLPR			BIT(0)
206 #define ROUTER_CS_6_TNS				BIT(1)
207 #define ROUTER_CS_6_WOPS			BIT(2)
208 #define ROUTER_CS_6_WOUS			BIT(3)
209 #define ROUTER_CS_6_HCI				BIT(18)
210 #define ROUTER_CS_6_CR				BIT(25)
211 #define ROUTER_CS_7				0x07
212 #define ROUTER_CS_9				0x09
213 #define ROUTER_CS_25				0x19
214 #define ROUTER_CS_26				0x1a
215 #define ROUTER_CS_26_OPCODE_MASK		GENMASK(15, 0)
216 #define ROUTER_CS_26_STATUS_MASK		GENMASK(29, 24)
217 #define ROUTER_CS_26_STATUS_SHIFT		24
218 #define ROUTER_CS_26_ONS			BIT(30)
219 #define ROUTER_CS_26_OV				BIT(31)
220 
221 /* USB4 router operations opcodes */
222 enum usb4_switch_op {
223 	USB4_SWITCH_OP_QUERY_DP_RESOURCE = 0x10,
224 	USB4_SWITCH_OP_ALLOC_DP_RESOURCE = 0x11,
225 	USB4_SWITCH_OP_DEALLOC_DP_RESOURCE = 0x12,
226 	USB4_SWITCH_OP_NVM_WRITE = 0x20,
227 	USB4_SWITCH_OP_NVM_AUTH = 0x21,
228 	USB4_SWITCH_OP_NVM_READ = 0x22,
229 	USB4_SWITCH_OP_NVM_SET_OFFSET = 0x23,
230 	USB4_SWITCH_OP_DROM_READ = 0x24,
231 	USB4_SWITCH_OP_NVM_SECTOR_SIZE = 0x25,
232 	USB4_SWITCH_OP_BUFFER_ALLOC = 0x33,
233 };
234 
235 /* Router TMU configuration */
236 #define TMU_RTR_CS_0				0x00
237 #define TMU_RTR_CS_0_TD				BIT(27)
238 #define TMU_RTR_CS_0_UCAP			BIT(30)
239 #define TMU_RTR_CS_1				0x01
240 #define TMU_RTR_CS_1_LOCAL_TIME_NS_MASK		GENMASK(31, 16)
241 #define TMU_RTR_CS_1_LOCAL_TIME_NS_SHIFT	16
242 #define TMU_RTR_CS_2				0x02
243 #define TMU_RTR_CS_3				0x03
244 #define TMU_RTR_CS_3_LOCAL_TIME_NS_MASK		GENMASK(15, 0)
245 #define TMU_RTR_CS_3_TS_PACKET_INTERVAL_MASK	GENMASK(31, 16)
246 #define TMU_RTR_CS_3_TS_PACKET_INTERVAL_SHIFT	16
247 #define TMU_RTR_CS_22				0x16
248 #define TMU_RTR_CS_24				0x18
249 #define TMU_RTR_CS_25				0x19
250 
251 enum tb_port_type {
252 	TB_TYPE_INACTIVE	= 0x000000,
253 	TB_TYPE_PORT		= 0x000001,
254 	TB_TYPE_NHI		= 0x000002,
255 	/* TB_TYPE_ETHERNET	= 0x020000, lower order bits are not known */
256 	/* TB_TYPE_SATA		= 0x080000, lower order bits are not known */
257 	TB_TYPE_DP_HDMI_IN	= 0x0e0101,
258 	TB_TYPE_DP_HDMI_OUT	= 0x0e0102,
259 	TB_TYPE_PCIE_DOWN	= 0x100101,
260 	TB_TYPE_PCIE_UP		= 0x100102,
261 	TB_TYPE_USB3_DOWN	= 0x200101,
262 	TB_TYPE_USB3_UP		= 0x200102,
263 };
264 
265 /* Present on every port in TB_CF_PORT at address zero. */
266 struct tb_regs_port_header {
267 	/* DWORD 0 */
268 	u16 vendor_id;
269 	u16 device_id;
270 	/* DWORD 1 */
271 	u32 first_cap_offset:8;
272 	u32 max_counters:11;
273 	u32 counters_support:1;
274 	u32 __unknown1:4;
275 	u32 revision:8;
276 	/* DWORD 2 */
277 	enum tb_port_type type:24;
278 	u32 thunderbolt_version:8;
279 	/* DWORD 3 */
280 	u32 __unknown2:20;
281 	u32 port_number:6;
282 	u32 __unknown3:6;
283 	/* DWORD 4 */
284 	u32 nfc_credits;
285 	/* DWORD 5 */
286 	u32 max_in_hop_id:11;
287 	u32 max_out_hop_id:11;
288 	u32 __unknown4:10;
289 	/* DWORD 6 */
290 	u32 __unknown5;
291 	/* DWORD 7 */
292 	u32 __unknown6;
293 
294 } __packed;
295 
296 /* Basic adapter configuration registers */
297 #define ADP_CS_4				0x04
298 #define ADP_CS_4_NFC_BUFFERS_MASK		GENMASK(9, 0)
299 #define ADP_CS_4_TOTAL_BUFFERS_MASK		GENMASK(29, 20)
300 #define ADP_CS_4_TOTAL_BUFFERS_SHIFT		20
301 #define ADP_CS_4_LCK				BIT(31)
302 #define ADP_CS_5				0x05
303 #define ADP_CS_5_LCA_MASK			GENMASK(28, 22)
304 #define ADP_CS_5_LCA_SHIFT			22
305 
306 /* TMU adapter registers */
307 #define TMU_ADP_CS_3				0x03
308 #define TMU_ADP_CS_3_UDM			BIT(29)
309 #define TMU_ADP_CS_6				0x06
310 #define TMU_ADP_CS_6_DTS			BIT(1)
311 
312 /* Lane adapter registers */
313 #define LANE_ADP_CS_0				0x00
314 #define LANE_ADP_CS_0_SUPPORTED_SPEED_MASK	GENMASK(19, 16)
315 #define LANE_ADP_CS_0_SUPPORTED_SPEED_SHIFT	16
316 #define LANE_ADP_CS_0_SUPPORTED_WIDTH_MASK	GENMASK(25, 20)
317 #define LANE_ADP_CS_0_SUPPORTED_WIDTH_SHIFT	20
318 #define LANE_ADP_CS_0_SUPPORTED_WIDTH_DUAL	0x2
319 #define LANE_ADP_CS_0_CL0S_SUPPORT		BIT(26)
320 #define LANE_ADP_CS_0_CL1_SUPPORT		BIT(27)
321 #define LANE_ADP_CS_1				0x01
322 #define LANE_ADP_CS_1_TARGET_SPEED_MASK		GENMASK(3, 0)
323 #define LANE_ADP_CS_1_TARGET_SPEED_GEN3		0xc
324 #define LANE_ADP_CS_1_TARGET_WIDTH_MASK		GENMASK(9, 4)
325 #define LANE_ADP_CS_1_TARGET_WIDTH_SHIFT	4
326 #define LANE_ADP_CS_1_TARGET_WIDTH_SINGLE	0x1
327 #define LANE_ADP_CS_1_TARGET_WIDTH_DUAL		0x3
328 #define LANE_ADP_CS_1_CL0S_ENABLE		BIT(10)
329 #define LANE_ADP_CS_1_CL1_ENABLE		BIT(11)
330 #define LANE_ADP_CS_1_LD			BIT(14)
331 #define LANE_ADP_CS_1_LB			BIT(15)
332 #define LANE_ADP_CS_1_CURRENT_SPEED_MASK	GENMASK(19, 16)
333 #define LANE_ADP_CS_1_CURRENT_SPEED_SHIFT	16
334 #define LANE_ADP_CS_1_CURRENT_SPEED_GEN2	0x8
335 #define LANE_ADP_CS_1_CURRENT_SPEED_GEN3	0x4
336 #define LANE_ADP_CS_1_CURRENT_WIDTH_MASK	GENMASK(25, 20)
337 #define LANE_ADP_CS_1_CURRENT_WIDTH_SHIFT	20
338 #define LANE_ADP_CS_1_PMS			BIT(30)
339 
340 /* USB4 port registers */
341 #define PORT_CS_1				0x01
342 #define PORT_CS_1_LENGTH_SHIFT			8
343 #define PORT_CS_1_TARGET_MASK			GENMASK(18, 16)
344 #define PORT_CS_1_TARGET_SHIFT			16
345 #define PORT_CS_1_RETIMER_INDEX_SHIFT		20
346 #define PORT_CS_1_WNR_WRITE			BIT(24)
347 #define PORT_CS_1_NR				BIT(25)
348 #define PORT_CS_1_RC				BIT(26)
349 #define PORT_CS_1_PND				BIT(31)
350 #define PORT_CS_2				0x02
351 #define PORT_CS_18				0x12
352 #define PORT_CS_18_BE				BIT(8)
353 #define PORT_CS_18_TCM				BIT(9)
354 #define PORT_CS_18_CPS				BIT(10)
355 #define PORT_CS_18_WOU4S			BIT(18)
356 #define PORT_CS_19				0x13
357 #define PORT_CS_19_PC				BIT(3)
358 #define PORT_CS_19_PID				BIT(4)
359 #define PORT_CS_19_WOC				BIT(16)
360 #define PORT_CS_19_WOD				BIT(17)
361 #define PORT_CS_19_WOU4				BIT(18)
362 
363 /* Display Port adapter registers */
364 #define ADP_DP_CS_0				0x00
365 #define ADP_DP_CS_0_VIDEO_HOPID_MASK		GENMASK(26, 16)
366 #define ADP_DP_CS_0_VIDEO_HOPID_SHIFT		16
367 #define ADP_DP_CS_0_AE				BIT(30)
368 #define ADP_DP_CS_0_VE				BIT(31)
369 #define ADP_DP_CS_1_AUX_TX_HOPID_MASK		GENMASK(10, 0)
370 #define ADP_DP_CS_1_AUX_RX_HOPID_MASK		GENMASK(21, 11)
371 #define ADP_DP_CS_1_AUX_RX_HOPID_SHIFT		11
372 #define ADP_DP_CS_2				0x02
373 #define ADP_DP_CS_2_HDP				BIT(6)
374 #define ADP_DP_CS_3				0x03
375 #define ADP_DP_CS_3_HDPC			BIT(9)
376 #define DP_LOCAL_CAP				0x04
377 #define DP_REMOTE_CAP				0x05
378 #define DP_STATUS_CTRL				0x06
379 #define DP_STATUS_CTRL_CMHS			BIT(25)
380 #define DP_STATUS_CTRL_UF			BIT(26)
381 #define DP_COMMON_CAP				0x07
382 /*
383  * DP_COMMON_CAP offsets work also for DP_LOCAL_CAP and DP_REMOTE_CAP
384  * with exception of DPRX done.
385  */
386 #define DP_COMMON_CAP_RATE_MASK			GENMASK(11, 8)
387 #define DP_COMMON_CAP_RATE_SHIFT		8
388 #define DP_COMMON_CAP_RATE_RBR			0x0
389 #define DP_COMMON_CAP_RATE_HBR			0x1
390 #define DP_COMMON_CAP_RATE_HBR2			0x2
391 #define DP_COMMON_CAP_RATE_HBR3			0x3
392 #define DP_COMMON_CAP_LANES_MASK		GENMASK(14, 12)
393 #define DP_COMMON_CAP_LANES_SHIFT		12
394 #define DP_COMMON_CAP_1_LANE			0x0
395 #define DP_COMMON_CAP_2_LANES			0x1
396 #define DP_COMMON_CAP_4_LANES			0x2
397 #define DP_COMMON_CAP_LTTPR_NS			BIT(27)
398 #define DP_COMMON_CAP_DPRX_DONE			BIT(31)
399 
400 /* PCIe adapter registers */
401 #define ADP_PCIE_CS_0				0x00
402 #define ADP_PCIE_CS_0_PE			BIT(31)
403 
404 /* USB adapter registers */
405 #define ADP_USB3_CS_0				0x00
406 #define ADP_USB3_CS_0_V				BIT(30)
407 #define ADP_USB3_CS_0_PE			BIT(31)
408 #define ADP_USB3_CS_1				0x01
409 #define ADP_USB3_CS_1_CUBW_MASK			GENMASK(11, 0)
410 #define ADP_USB3_CS_1_CDBW_MASK			GENMASK(23, 12)
411 #define ADP_USB3_CS_1_CDBW_SHIFT		12
412 #define ADP_USB3_CS_1_HCA			BIT(31)
413 #define ADP_USB3_CS_2				0x02
414 #define ADP_USB3_CS_2_AUBW_MASK			GENMASK(11, 0)
415 #define ADP_USB3_CS_2_ADBW_MASK			GENMASK(23, 12)
416 #define ADP_USB3_CS_2_ADBW_SHIFT		12
417 #define ADP_USB3_CS_2_CMR			BIT(31)
418 #define ADP_USB3_CS_3				0x03
419 #define ADP_USB3_CS_3_SCALE_MASK		GENMASK(5, 0)
420 #define ADP_USB3_CS_4				0x04
421 #define ADP_USB3_CS_4_ALR_MASK			GENMASK(6, 0)
422 #define ADP_USB3_CS_4_ALR_20G			0x1
423 #define ADP_USB3_CS_4_ULV			BIT(7)
424 #define ADP_USB3_CS_4_MSLR_MASK			GENMASK(18, 12)
425 #define ADP_USB3_CS_4_MSLR_SHIFT		12
426 #define ADP_USB3_CS_4_MSLR_20G			0x1
427 
428 /* Hop register from TB_CFG_HOPS. 8 byte per entry. */
429 struct tb_regs_hop {
430 	/* DWORD 0 */
431 	u32 next_hop:11; /*
432 			  * hop to take after sending the packet through
433 			  * out_port (on the incoming port of the next switch)
434 			  */
435 	u32 out_port:6; /* next port of the path (on the same switch) */
436 	u32 initial_credits:8;
437 	u32 unknown1:6; /* set to zero */
438 	bool enable:1;
439 
440 	/* DWORD 1 */
441 	u32 weight:4;
442 	u32 unknown2:4; /* set to zero */
443 	u32 priority:3;
444 	bool drop_packages:1;
445 	u32 counter:11; /* index into TB_CFG_COUNTERS on this port */
446 	bool counter_enable:1;
447 	bool ingress_fc:1;
448 	bool egress_fc:1;
449 	bool ingress_shared_buffer:1;
450 	bool egress_shared_buffer:1;
451 	bool pending:1;
452 	u32 unknown3:3; /* set to zero */
453 } __packed;
454 
455 /* TMU Thunderbolt 3 registers */
456 #define TB_TIME_VSEC_3_CS_9			0x9
457 #define TB_TIME_VSEC_3_CS_9_TMU_OBJ_MASK	GENMASK(17, 16)
458 #define TB_TIME_VSEC_3_CS_26			0x1a
459 #define TB_TIME_VSEC_3_CS_26_TD			BIT(22)
460 
461 /*
462  * Used for Titan Ridge only. Bits are part of the same register: TMU_ADP_CS_6
463  * (see above) as in USB4 spec, but these specific bits used for Titan Ridge
464  * only and reserved in USB4 spec.
465  */
466 #define TMU_ADP_CS_6_DISABLE_TMU_OBJ_MASK	GENMASK(3, 2)
467 #define TMU_ADP_CS_6_DISABLE_TMU_OBJ_CL1	BIT(2)
468 #define TMU_ADP_CS_6_DISABLE_TMU_OBJ_CL2	BIT(3)
469 
470 /* Plug Events registers */
471 #define TB_PLUG_EVENTS_USB_DISABLE		BIT(2)
472 #define TB_PLUG_EVENTS_CS_1_LANE_DISABLE	BIT(3)
473 #define TB_PLUG_EVENTS_CS_1_DPOUT_DISABLE	BIT(4)
474 #define TB_PLUG_EVENTS_CS_1_LOW_DPIN_DISABLE	BIT(5)
475 #define TB_PLUG_EVENTS_CS_1_HIGH_DPIN_DISABLE	BIT(6)
476 
477 #define TB_PLUG_EVENTS_PCIE_WR_DATA		0x1b
478 #define TB_PLUG_EVENTS_PCIE_CMD			0x1c
479 #define TB_PLUG_EVENTS_PCIE_CMD_DW_OFFSET_MASK	GENMASK(9, 0)
480 #define TB_PLUG_EVENTS_PCIE_CMD_BR_SHIFT	10
481 #define TB_PLUG_EVENTS_PCIE_CMD_BR_MASK		GENMASK(17, 10)
482 #define TB_PLUG_EVENTS_PCIE_CMD_RD_WR_MASK	BIT(21)
483 #define TB_PLUG_EVENTS_PCIE_CMD_WR		0x1
484 #define TB_PLUG_EVENTS_PCIE_CMD_COMMAND_SHIFT	22
485 #define TB_PLUG_EVENTS_PCIE_CMD_COMMAND_MASK	GENMASK(24, 22)
486 #define TB_PLUG_EVENTS_PCIE_CMD_COMMAND_VAL	0x2
487 #define TB_PLUG_EVENTS_PCIE_CMD_REQ_ACK_MASK	BIT(30)
488 #define TB_PLUG_EVENTS_PCIE_CMD_TIMEOUT_MASK	BIT(31)
489 #define TB_PLUG_EVENTS_PCIE_CMD_RD_DATA		0x1d
490 
491 /* CP Low Power registers */
492 #define TB_LOW_PWR_C1_CL1			0x1
493 #define TB_LOW_PWR_C1_CL1_OBJ_MASK		GENMASK(4, 1)
494 #define TB_LOW_PWR_C1_CL2_OBJ_MASK		GENMASK(4, 1)
495 #define TB_LOW_PWR_C1_PORT_A_MASK		GENMASK(2, 1)
496 #define TB_LOW_PWR_C0_PORT_B_MASK		GENMASK(4, 3)
497 #define TB_LOW_PWR_C3_CL1			0x3
498 
499 /* Common link controller registers */
500 #define TB_LC_DESC				0x02
501 #define TB_LC_DESC_NLC_MASK			GENMASK(3, 0)
502 #define TB_LC_DESC_SIZE_SHIFT			8
503 #define TB_LC_DESC_SIZE_MASK			GENMASK(15, 8)
504 #define TB_LC_DESC_PORT_SIZE_SHIFT		16
505 #define TB_LC_DESC_PORT_SIZE_MASK		GENMASK(27, 16)
506 #define TB_LC_FUSE				0x03
507 #define TB_LC_SNK_ALLOCATION			0x10
508 #define TB_LC_SNK_ALLOCATION_SNK0_MASK		GENMASK(3, 0)
509 #define TB_LC_SNK_ALLOCATION_SNK0_CM		0x1
510 #define TB_LC_SNK_ALLOCATION_SNK1_SHIFT		4
511 #define TB_LC_SNK_ALLOCATION_SNK1_MASK		GENMASK(7, 4)
512 #define TB_LC_SNK_ALLOCATION_SNK1_CM		0x1
513 #define TB_LC_POWER				0x740
514 
515 /* Link controller registers */
516 #define TB_LC_CS_42				0x2a
517 #define TB_LC_CS_42_USB_PLUGGED			BIT(31)
518 
519 #define TB_LC_PORT_ATTR				0x8d
520 #define TB_LC_PORT_ATTR_BE			BIT(12)
521 
522 #define TB_LC_SX_CTRL				0x96
523 #define TB_LC_SX_CTRL_WOC			BIT(1)
524 #define TB_LC_SX_CTRL_WOD			BIT(2)
525 #define TB_LC_SX_CTRL_WODPC			BIT(3)
526 #define TB_LC_SX_CTRL_WODPD			BIT(4)
527 #define TB_LC_SX_CTRL_WOU4			BIT(5)
528 #define TB_LC_SX_CTRL_WOP			BIT(6)
529 #define TB_LC_SX_CTRL_L1C			BIT(16)
530 #define TB_LC_SX_CTRL_L1D			BIT(17)
531 #define TB_LC_SX_CTRL_L2C			BIT(20)
532 #define TB_LC_SX_CTRL_L2D			BIT(21)
533 #define TB_LC_SX_CTRL_SLI			BIT(29)
534 #define TB_LC_SX_CTRL_UPSTREAM			BIT(30)
535 #define TB_LC_SX_CTRL_SLP			BIT(31)
536 #define TB_LC_LINK_ATTR				0x97
537 #define TB_LC_LINK_ATTR_CPS			BIT(18)
538 
539 #define TB_LC_LINK_REQ				0xad
540 #define TB_LC_LINK_REQ_XHCI_CONNECT		BIT(31)
541 
542 #endif
543