1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2020 Linaro Ltd.
9 /* === Only "gsi.c" should include this file === */
11 #include <linux/bits.h>
16 * GSI registers are located within the "gsi" address space defined by Device
17 * Tree. The offset of each register within that space is specified by
18 * symbols defined below. The GSI address space is mapped to virtual memory
19 * space in gsi_init(). All GSI registers are 32 bits wide.
21 * Each register type is duplicated for a number of instances of something.
22 * For example, each GSI channel has its own set of registers defining its
23 * configuration. The offset to a channel's set of registers is computed
24 * based on a "base" offset plus an additional "stride" amount computed
25 * from the channel's ID. For such registers, the offset is computed by a
26 * function-like macro that takes a parameter used in the computation.
28 * The offset of a register dependent on execution environment is computed
29 * by a macro that is supplied a parameter "ee". The "ee" value is a member
30 * of the gsi_ee_id enumerated type.
32 * The offset of a channel register is computed by a macro that is supplied a
33 * parameter "ch". The "ch" value is a channel id whose maximum value is 30
34 * (though the actual limit is hardware-dependent).
36 * The offset of an event register is computed by a macro that is supplied a
37 * parameter "ev". The "ev" value is an event id whose maximum value is 15
38 * (though the actual limit is hardware-dependent).
41 #define GSI_INTER_EE_SRC_CH_IRQ_OFFSET \
42 GSI_INTER_EE_N_SRC_CH_IRQ_OFFSET(GSI_EE_AP)
43 #define GSI_INTER_EE_N_SRC_CH_IRQ_OFFSET(ee) \
44 (0x0000c018 + 0x1000 * (ee))
46 #define GSI_INTER_EE_SRC_EV_CH_IRQ_OFFSET \
47 GSI_INTER_EE_N_SRC_EV_CH_IRQ_OFFSET(GSI_EE_AP)
48 #define GSI_INTER_EE_N_SRC_EV_CH_IRQ_OFFSET(ee) \
49 (0x0000c01c + 0x1000 * (ee))
51 #define GSI_INTER_EE_SRC_CH_IRQ_CLR_OFFSET \
52 GSI_INTER_EE_N_SRC_CH_IRQ_CLR_OFFSET(GSI_EE_AP)
53 #define GSI_INTER_EE_N_SRC_CH_IRQ_CLR_OFFSET(ee) \
54 (0x0000c028 + 0x1000 * (ee))
56 #define GSI_INTER_EE_SRC_EV_CH_IRQ_CLR_OFFSET \
57 GSI_INTER_EE_N_SRC_EV_CH_IRQ_CLR_OFFSET(GSI_EE_AP)
58 #define GSI_INTER_EE_N_SRC_EV_CH_IRQ_CLR_OFFSET(ee) \
59 (0x0000c02c + 0x1000 * (ee))
61 #define GSI_CH_C_CNTXT_0_OFFSET(ch) \
62 GSI_EE_N_CH_C_CNTXT_0_OFFSET((ch), GSI_EE_AP)
63 #define GSI_EE_N_CH_C_CNTXT_0_OFFSET(ch, ee) \
64 (0x0001c000 + 0x4000 * (ee) + 0x80 * (ch))
65 #define CHTYPE_PROTOCOL_FMASK GENMASK(2, 0)
66 #define CHTYPE_DIR_FMASK GENMASK(3, 3)
67 #define EE_FMASK GENMASK(7, 4)
68 #define CHID_FMASK GENMASK(12, 8)
69 /* The next field is present for IPA v4.5 and above */
70 #define CHTYPE_PROTOCOL_MSB_FMASK GENMASK(13, 13)
71 #define ERINDEX_FMASK GENMASK(18, 14)
72 #define CHSTATE_FMASK GENMASK(23, 20)
73 #define ELEMENT_SIZE_FMASK GENMASK(31, 24)
75 /** enum gsi_channel_type - CHTYPE_PROTOCOL field values in CH_C_CNTXT_0 */
76 enum gsi_channel_type {
77 GSI_CHANNEL_TYPE_MHI = 0x0,
78 GSI_CHANNEL_TYPE_XHCI = 0x1,
79 GSI_CHANNEL_TYPE_GPI = 0x2,
80 GSI_CHANNEL_TYPE_XDCI = 0x3,
83 #define GSI_CH_C_CNTXT_1_OFFSET(ch) \
84 GSI_EE_N_CH_C_CNTXT_1_OFFSET((ch), GSI_EE_AP)
85 #define GSI_EE_N_CH_C_CNTXT_1_OFFSET(ch, ee) \
86 (0x0001c004 + 0x4000 * (ee) + 0x80 * (ch))
87 #define R_LENGTH_FMASK GENMASK(15, 0)
89 #define GSI_CH_C_CNTXT_2_OFFSET(ch) \
90 GSI_EE_N_CH_C_CNTXT_2_OFFSET((ch), GSI_EE_AP)
91 #define GSI_EE_N_CH_C_CNTXT_2_OFFSET(ch, ee) \
92 (0x0001c008 + 0x4000 * (ee) + 0x80 * (ch))
94 #define GSI_CH_C_CNTXT_3_OFFSET(ch) \
95 GSI_EE_N_CH_C_CNTXT_3_OFFSET((ch), GSI_EE_AP)
96 #define GSI_EE_N_CH_C_CNTXT_3_OFFSET(ch, ee) \
97 (0x0001c00c + 0x4000 * (ee) + 0x80 * (ch))
99 #define GSI_CH_C_QOS_OFFSET(ch) \
100 GSI_EE_N_CH_C_QOS_OFFSET((ch), GSI_EE_AP)
101 #define GSI_EE_N_CH_C_QOS_OFFSET(ch, ee) \
102 (0x0001c05c + 0x4000 * (ee) + 0x80 * (ch))
103 #define WRR_WEIGHT_FMASK GENMASK(3, 0)
104 #define MAX_PREFETCH_FMASK GENMASK(8, 8)
105 #define USE_DB_ENG_FMASK GENMASK(9, 9)
106 /* The next field is only present for IPA v4.0, v4.1, and v4.2 */
107 #define USE_ESCAPE_BUF_ONLY_FMASK GENMASK(10, 10)
109 #define GSI_CH_C_SCRATCH_0_OFFSET(ch) \
110 GSI_EE_N_CH_C_SCRATCH_0_OFFSET((ch), GSI_EE_AP)
111 #define GSI_EE_N_CH_C_SCRATCH_0_OFFSET(ch, ee) \
112 (0x0001c060 + 0x4000 * (ee) + 0x80 * (ch))
114 #define GSI_CH_C_SCRATCH_1_OFFSET(ch) \
115 GSI_EE_N_CH_C_SCRATCH_1_OFFSET((ch), GSI_EE_AP)
116 #define GSI_EE_N_CH_C_SCRATCH_1_OFFSET(ch, ee) \
117 (0x0001c064 + 0x4000 * (ee) + 0x80 * (ch))
119 #define GSI_CH_C_SCRATCH_2_OFFSET(ch) \
120 GSI_EE_N_CH_C_SCRATCH_2_OFFSET((ch), GSI_EE_AP)
121 #define GSI_EE_N_CH_C_SCRATCH_2_OFFSET(ch, ee) \
122 (0x0001c068 + 0x4000 * (ee) + 0x80 * (ch))
124 #define GSI_CH_C_SCRATCH_3_OFFSET(ch) \
125 GSI_EE_N_CH_C_SCRATCH_3_OFFSET((ch), GSI_EE_AP)
126 #define GSI_EE_N_CH_C_SCRATCH_3_OFFSET(ch, ee) \
127 (0x0001c06c + 0x4000 * (ee) + 0x80 * (ch))
129 #define GSI_EV_CH_E_CNTXT_0_OFFSET(ev) \
130 GSI_EE_N_EV_CH_E_CNTXT_0_OFFSET((ev), GSI_EE_AP)
131 #define GSI_EE_N_EV_CH_E_CNTXT_0_OFFSET(ev, ee) \
132 (0x0001d000 + 0x4000 * (ee) + 0x80 * (ev))
133 #define EV_CHTYPE_FMASK GENMASK(3, 0)
134 #define EV_EE_FMASK GENMASK(7, 4)
135 #define EV_EVCHID_FMASK GENMASK(15, 8)
136 #define EV_INTYPE_FMASK GENMASK(16, 16)
137 #define EV_CHSTATE_FMASK GENMASK(23, 20)
138 #define EV_ELEMENT_SIZE_FMASK GENMASK(31, 24)
139 /* enum gsi_channel_type defines EV_CHTYPE field values in EV_CH_E_CNTXT_0 */
141 #define GSI_EV_CH_E_CNTXT_1_OFFSET(ev) \
142 GSI_EE_N_EV_CH_E_CNTXT_1_OFFSET((ev), GSI_EE_AP)
143 #define GSI_EE_N_EV_CH_E_CNTXT_1_OFFSET(ev, ee) \
144 (0x0001d004 + 0x4000 * (ee) + 0x80 * (ev))
145 #define EV_R_LENGTH_FMASK GENMASK(15, 0)
147 #define GSI_EV_CH_E_CNTXT_2_OFFSET(ev) \
148 GSI_EE_N_EV_CH_E_CNTXT_2_OFFSET((ev), GSI_EE_AP)
149 #define GSI_EE_N_EV_CH_E_CNTXT_2_OFFSET(ev, ee) \
150 (0x0001d008 + 0x4000 * (ee) + 0x80 * (ev))
152 #define GSI_EV_CH_E_CNTXT_3_OFFSET(ev) \
153 GSI_EE_N_EV_CH_E_CNTXT_3_OFFSET((ev), GSI_EE_AP)
154 #define GSI_EE_N_EV_CH_E_CNTXT_3_OFFSET(ev, ee) \
155 (0x0001d00c + 0x4000 * (ee) + 0x80 * (ev))
157 #define GSI_EV_CH_E_CNTXT_4_OFFSET(ev) \
158 GSI_EE_N_EV_CH_E_CNTXT_4_OFFSET((ev), GSI_EE_AP)
159 #define GSI_EE_N_EV_CH_E_CNTXT_4_OFFSET(ev, ee) \
160 (0x0001d010 + 0x4000 * (ee) + 0x80 * (ev))
162 #define GSI_EV_CH_E_CNTXT_8_OFFSET(ev) \
163 GSI_EE_N_EV_CH_E_CNTXT_8_OFFSET((ev), GSI_EE_AP)
164 #define GSI_EE_N_EV_CH_E_CNTXT_8_OFFSET(ev, ee) \
165 (0x0001d020 + 0x4000 * (ee) + 0x80 * (ev))
166 #define MODT_FMASK GENMASK(15, 0)
167 #define MODC_FMASK GENMASK(23, 16)
168 #define MOD_CNT_FMASK GENMASK(31, 24)
170 #define GSI_EV_CH_E_CNTXT_9_OFFSET(ev) \
171 GSI_EE_N_EV_CH_E_CNTXT_9_OFFSET((ev), GSI_EE_AP)
172 #define GSI_EE_N_EV_CH_E_CNTXT_9_OFFSET(ev, ee) \
173 (0x0001d024 + 0x4000 * (ee) + 0x80 * (ev))
175 #define GSI_EV_CH_E_CNTXT_10_OFFSET(ev) \
176 GSI_EE_N_EV_CH_E_CNTXT_10_OFFSET((ev), GSI_EE_AP)
177 #define GSI_EE_N_EV_CH_E_CNTXT_10_OFFSET(ev, ee) \
178 (0x0001d028 + 0x4000 * (ee) + 0x80 * (ev))
180 #define GSI_EV_CH_E_CNTXT_11_OFFSET(ev) \
181 GSI_EE_N_EV_CH_E_CNTXT_11_OFFSET((ev), GSI_EE_AP)
182 #define GSI_EE_N_EV_CH_E_CNTXT_11_OFFSET(ev, ee) \
183 (0x0001d02c + 0x4000 * (ee) + 0x80 * (ev))
185 #define GSI_EV_CH_E_CNTXT_12_OFFSET(ev) \
186 GSI_EE_N_EV_CH_E_CNTXT_12_OFFSET((ev), GSI_EE_AP)
187 #define GSI_EE_N_EV_CH_E_CNTXT_12_OFFSET(ev, ee) \
188 (0x0001d030 + 0x4000 * (ee) + 0x80 * (ev))
190 #define GSI_EV_CH_E_CNTXT_13_OFFSET(ev) \
191 GSI_EE_N_EV_CH_E_CNTXT_13_OFFSET((ev), GSI_EE_AP)
192 #define GSI_EE_N_EV_CH_E_CNTXT_13_OFFSET(ev, ee) \
193 (0x0001d034 + 0x4000 * (ee) + 0x80 * (ev))
195 #define GSI_EV_CH_E_SCRATCH_0_OFFSET(ev) \
196 GSI_EE_N_EV_CH_E_SCRATCH_0_OFFSET((ev), GSI_EE_AP)
197 #define GSI_EE_N_EV_CH_E_SCRATCH_0_OFFSET(ev, ee) \
198 (0x0001d048 + 0x4000 * (ee) + 0x80 * (ev))
200 #define GSI_EV_CH_E_SCRATCH_1_OFFSET(ev) \
201 GSI_EE_N_EV_CH_E_SCRATCH_1_OFFSET((ev), GSI_EE_AP)
202 #define GSI_EE_N_EV_CH_E_SCRATCH_1_OFFSET(ev, ee) \
203 (0x0001d04c + 0x4000 * (ee) + 0x80 * (ev))
205 #define GSI_CH_C_DOORBELL_0_OFFSET(ch) \
206 GSI_EE_N_CH_C_DOORBELL_0_OFFSET((ch), GSI_EE_AP)
207 #define GSI_EE_N_CH_C_DOORBELL_0_OFFSET(ch, ee) \
208 (0x0001e000 + 0x4000 * (ee) + 0x08 * (ch))
210 #define GSI_EV_CH_E_DOORBELL_0_OFFSET(ev) \
211 GSI_EE_N_EV_CH_E_DOORBELL_0_OFFSET((ev), GSI_EE_AP)
212 #define GSI_EE_N_EV_CH_E_DOORBELL_0_OFFSET(ev, ee) \
213 (0x0001e100 + 0x4000 * (ee) + 0x08 * (ev))
215 #define GSI_GSI_STATUS_OFFSET \
216 GSI_EE_N_GSI_STATUS_OFFSET(GSI_EE_AP)
217 #define GSI_EE_N_GSI_STATUS_OFFSET(ee) \
218 (0x0001f000 + 0x4000 * (ee))
219 #define ENABLED_FMASK GENMASK(0, 0)
221 #define GSI_CH_CMD_OFFSET \
222 GSI_EE_N_CH_CMD_OFFSET(GSI_EE_AP)
223 #define GSI_EE_N_CH_CMD_OFFSET(ee) \
224 (0x0001f008 + 0x4000 * (ee))
225 #define CH_CHID_FMASK GENMASK(7, 0)
226 #define CH_OPCODE_FMASK GENMASK(31, 24)
228 /** enum gsi_ch_cmd_opcode - CH_OPCODE field values in CH_CMD */
229 enum gsi_ch_cmd_opcode {
230 GSI_CH_ALLOCATE = 0x0,
234 GSI_CH_DE_ALLOC = 0xa,
237 #define GSI_EV_CH_CMD_OFFSET \
238 GSI_EE_N_EV_CH_CMD_OFFSET(GSI_EE_AP)
239 #define GSI_EE_N_EV_CH_CMD_OFFSET(ee) \
240 (0x0001f010 + 0x4000 * (ee))
241 #define EV_CHID_FMASK GENMASK(7, 0)
242 #define EV_OPCODE_FMASK GENMASK(31, 24)
244 /** enum gsi_evt_cmd_opcode - EV_OPCODE field values in EV_CH_CMD */
245 enum gsi_evt_cmd_opcode {
246 GSI_EVT_ALLOCATE = 0x0,
248 GSI_EVT_DE_ALLOC = 0xa,
251 #define GSI_GENERIC_CMD_OFFSET \
252 GSI_EE_N_GENERIC_CMD_OFFSET(GSI_EE_AP)
253 #define GSI_EE_N_GENERIC_CMD_OFFSET(ee) \
254 (0x0001f018 + 0x4000 * (ee))
255 #define GENERIC_OPCODE_FMASK GENMASK(4, 0)
256 #define GENERIC_CHID_FMASK GENMASK(9, 5)
257 #define GENERIC_EE_FMASK GENMASK(13, 10)
259 /** enum gsi_generic_cmd_opcode - GENERIC_OPCODE field values in GENERIC_CMD */
260 enum gsi_generic_cmd_opcode {
261 GSI_GENERIC_HALT_CHANNEL = 0x1,
262 GSI_GENERIC_ALLOCATE_CHANNEL = 0x2,
265 #define GSI_GSI_HW_PARAM_2_OFFSET \
266 GSI_EE_N_GSI_HW_PARAM_2_OFFSET(GSI_EE_AP)
267 #define GSI_EE_N_GSI_HW_PARAM_2_OFFSET(ee) \
268 (0x0001f040 + 0x4000 * (ee))
269 #define IRAM_SIZE_FMASK GENMASK(2, 0)
270 #define NUM_CH_PER_EE_FMASK GENMASK(7, 3)
271 #define NUM_EV_PER_EE_FMASK GENMASK(12, 8)
272 #define GSI_CH_PEND_TRANSLATE_FMASK GENMASK(13, 13)
273 #define GSI_CH_FULL_LOGIC_FMASK GENMASK(14, 14)
274 /* Fields below are present for IPA v4.0 and above */
275 #define GSI_USE_SDMA_FMASK GENMASK(15, 15)
276 #define GSI_SDMA_N_INT_FMASK GENMASK(18, 16)
277 #define GSI_SDMA_MAX_BURST_FMASK GENMASK(26, 19)
278 #define GSI_SDMA_N_IOVEC_FMASK GENMASK(29, 27)
279 /* Fields below are present for IPA v4.2 and above */
280 #define GSI_USE_RD_WR_ENG_FMASK GENMASK(30, 30)
281 #define GSI_USE_INTER_EE_FMASK GENMASK(31, 31)
283 /** enum gsi_iram_size - IRAM_SIZE field values in HW_PARAM_2 */
285 IRAM_SIZE_ONE_KB = 0x0,
286 IRAM_SIZE_TWO_KB = 0x1,
287 /* The next two values are available for IPA v4.0 and above */
288 IRAM_SIZE_TWO_N_HALF_KB = 0x2,
289 IRAM_SIZE_THREE_KB = 0x3,
292 /* IRQ condition for each type is cleared by writing type-specific register */
293 #define GSI_CNTXT_TYPE_IRQ_OFFSET \
294 GSI_EE_N_CNTXT_TYPE_IRQ_OFFSET(GSI_EE_AP)
295 #define GSI_EE_N_CNTXT_TYPE_IRQ_OFFSET(ee) \
296 (0x0001f080 + 0x4000 * (ee))
297 #define GSI_CNTXT_TYPE_IRQ_MSK_OFFSET \
298 GSI_EE_N_CNTXT_TYPE_IRQ_MSK_OFFSET(GSI_EE_AP)
299 #define GSI_EE_N_CNTXT_TYPE_IRQ_MSK_OFFSET(ee) \
300 (0x0001f088 + 0x4000 * (ee))
302 /* Values here are bit positions in the TYPE_IRQ and TYPE_IRQ_MSK registers */
303 enum gsi_irq_type_id {
304 GSI_CH_CTRL = 0x0, /* channel allocation, etc. */
305 GSI_EV_CTRL = 0x1, /* event ring allocation, etc. */
306 GSI_GLOB_EE = 0x2, /* global/general event */
307 GSI_IEOB = 0x3, /* TRE completion */
308 GSI_INTER_EE_CH_CTRL = 0x4, /* remote-issued stop/reset (unused) */
309 GSI_INTER_EE_EV_CTRL = 0x5, /* remote-issued event reset (unused) */
310 GSI_GENERAL = 0x6, /* general-purpose event */
313 #define GSI_CNTXT_SRC_CH_IRQ_OFFSET \
314 GSI_EE_N_CNTXT_SRC_CH_IRQ_OFFSET(GSI_EE_AP)
315 #define GSI_EE_N_CNTXT_SRC_CH_IRQ_OFFSET(ee) \
316 (0x0001f090 + 0x4000 * (ee))
318 #define GSI_CNTXT_SRC_EV_CH_IRQ_OFFSET \
319 GSI_EE_N_CNTXT_SRC_EV_CH_IRQ_OFFSET(GSI_EE_AP)
320 #define GSI_EE_N_CNTXT_SRC_EV_CH_IRQ_OFFSET(ee) \
321 (0x0001f094 + 0x4000 * (ee))
323 #define GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET \
324 GSI_EE_N_CNTXT_SRC_CH_IRQ_MSK_OFFSET(GSI_EE_AP)
325 #define GSI_EE_N_CNTXT_SRC_CH_IRQ_MSK_OFFSET(ee) \
326 (0x0001f098 + 0x4000 * (ee))
328 #define GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET \
329 GSI_EE_N_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET(GSI_EE_AP)
330 #define GSI_EE_N_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET(ee) \
331 (0x0001f09c + 0x4000 * (ee))
333 #define GSI_CNTXT_SRC_CH_IRQ_CLR_OFFSET \
334 GSI_EE_N_CNTXT_SRC_CH_IRQ_CLR_OFFSET(GSI_EE_AP)
335 #define GSI_EE_N_CNTXT_SRC_CH_IRQ_CLR_OFFSET(ee) \
336 (0x0001f0a0 + 0x4000 * (ee))
338 #define GSI_CNTXT_SRC_EV_CH_IRQ_CLR_OFFSET \
339 GSI_EE_N_CNTXT_SRC_EV_CH_IRQ_CLR_OFFSET(GSI_EE_AP)
340 #define GSI_EE_N_CNTXT_SRC_EV_CH_IRQ_CLR_OFFSET(ee) \
341 (0x0001f0a4 + 0x4000 * (ee))
343 #define GSI_CNTXT_SRC_IEOB_IRQ_OFFSET \
344 GSI_EE_N_CNTXT_SRC_IEOB_IRQ_OFFSET(GSI_EE_AP)
345 #define GSI_EE_N_CNTXT_SRC_IEOB_IRQ_OFFSET(ee) \
346 (0x0001f0b0 + 0x4000 * (ee))
348 #define GSI_CNTXT_SRC_IEOB_IRQ_MSK_OFFSET \
349 GSI_EE_N_CNTXT_SRC_IEOB_IRQ_MSK_OFFSET(GSI_EE_AP)
350 #define GSI_EE_N_CNTXT_SRC_IEOB_IRQ_MSK_OFFSET(ee) \
351 (0x0001f0b8 + 0x4000 * (ee))
353 #define GSI_CNTXT_SRC_IEOB_IRQ_CLR_OFFSET \
354 GSI_EE_N_CNTXT_SRC_IEOB_IRQ_CLR_OFFSET(GSI_EE_AP)
355 #define GSI_EE_N_CNTXT_SRC_IEOB_IRQ_CLR_OFFSET(ee) \
356 (0x0001f0c0 + 0x4000 * (ee))
358 #define GSI_CNTXT_GLOB_IRQ_STTS_OFFSET \
359 GSI_EE_N_CNTXT_GLOB_IRQ_STTS_OFFSET(GSI_EE_AP)
360 #define GSI_EE_N_CNTXT_GLOB_IRQ_STTS_OFFSET(ee) \
361 (0x0001f100 + 0x4000 * (ee))
362 #define GSI_CNTXT_GLOB_IRQ_EN_OFFSET \
363 GSI_EE_N_CNTXT_GLOB_IRQ_EN_OFFSET(GSI_EE_AP)
364 #define GSI_EE_N_CNTXT_GLOB_IRQ_EN_OFFSET(ee) \
365 (0x0001f108 + 0x4000 * (ee))
366 #define GSI_CNTXT_GLOB_IRQ_CLR_OFFSET \
367 GSI_EE_N_CNTXT_GLOB_IRQ_CLR_OFFSET(GSI_EE_AP)
368 #define GSI_EE_N_CNTXT_GLOB_IRQ_CLR_OFFSET(ee) \
369 (0x0001f110 + 0x4000 * (ee))
370 /* Values here are bit positions in the GLOB_IRQ_* registers */
371 enum gsi_global_irq_id {
378 #define GSI_CNTXT_GSI_IRQ_STTS_OFFSET \
379 GSI_EE_N_CNTXT_GSI_IRQ_STTS_OFFSET(GSI_EE_AP)
380 #define GSI_EE_N_CNTXT_GSI_IRQ_STTS_OFFSET(ee) \
381 (0x0001f118 + 0x4000 * (ee))
382 #define GSI_CNTXT_GSI_IRQ_EN_OFFSET \
383 GSI_EE_N_CNTXT_GSI_IRQ_EN_OFFSET(GSI_EE_AP)
384 #define GSI_EE_N_CNTXT_GSI_IRQ_EN_OFFSET(ee) \
385 (0x0001f120 + 0x4000 * (ee))
386 #define GSI_CNTXT_GSI_IRQ_CLR_OFFSET \
387 GSI_EE_N_CNTXT_GSI_IRQ_CLR_OFFSET(GSI_EE_AP)
388 #define GSI_EE_N_CNTXT_GSI_IRQ_CLR_OFFSET(ee) \
389 (0x0001f128 + 0x4000 * (ee))
390 /* Values here are bit positions in the (general) GSI_IRQ_* registers */
391 enum gsi_general_id {
394 CMD_FIFO_OVRFLOW = 0x2,
395 MCS_STACK_OVRFLOW = 0x3,
398 #define GSI_CNTXT_INTSET_OFFSET \
399 GSI_EE_N_CNTXT_INTSET_OFFSET(GSI_EE_AP)
400 #define GSI_EE_N_CNTXT_INTSET_OFFSET(ee) \
401 (0x0001f180 + 0x4000 * (ee))
402 #define INTYPE_FMASK GENMASK(0, 0)
404 #define GSI_ERROR_LOG_OFFSET \
405 GSI_EE_N_ERROR_LOG_OFFSET(GSI_EE_AP)
406 #define GSI_EE_N_ERROR_LOG_OFFSET(ee) \
407 (0x0001f200 + 0x4000 * (ee))
408 #define ERR_ARG3_FMASK GENMASK(3, 0)
409 #define ERR_ARG2_FMASK GENMASK(7, 4)
410 #define ERR_ARG1_FMASK GENMASK(11, 8)
411 #define ERR_CODE_FMASK GENMASK(15, 12)
412 #define ERR_VIRT_IDX_FMASK GENMASK(23, 19)
413 #define ERR_TYPE_FMASK GENMASK(27, 24)
414 #define ERR_EE_FMASK GENMASK(31, 28)
416 /** enum gsi_err_code - ERR_CODE field values in EE_ERR_LOG */
418 GSI_INVALID_TRE = 0x1,
419 GSI_OUT_OF_BUFFERS = 0x2,
420 GSI_OUT_OF_RESOURCES = 0x3,
421 GSI_UNSUPPORTED_INTER_EE_OP = 0x4,
422 GSI_EVT_RING_EMPTY = 0x5,
423 GSI_NON_ALLOCATED_EVT_ACCESS = 0x6,
424 /* 7 is not assigned */
428 /** enum gsi_err_type - ERR_TYPE field values in EE_ERR_LOG */
430 GSI_ERR_TYPE_GLOB = 0x1,
431 GSI_ERR_TYPE_CHAN = 0x2,
432 GSI_ERR_TYPE_EVT = 0x3,
435 #define GSI_ERROR_LOG_CLR_OFFSET \
436 GSI_EE_N_ERROR_LOG_CLR_OFFSET(GSI_EE_AP)
437 #define GSI_EE_N_ERROR_LOG_CLR_OFFSET(ee) \
438 (0x0001f210 + 0x4000 * (ee))
440 #define GSI_CNTXT_SCRATCH_0_OFFSET \
441 GSI_EE_N_CNTXT_SCRATCH_0_OFFSET(GSI_EE_AP)
442 #define GSI_EE_N_CNTXT_SCRATCH_0_OFFSET(ee) \
443 (0x0001f400 + 0x4000 * (ee))
444 #define INTER_EE_RESULT_FMASK GENMASK(2, 0)
445 #define GENERIC_EE_RESULT_FMASK GENMASK(7, 5)
447 /** enum gsi_generic_ee_result - GENERIC_EE_RESULT field values in SCRATCH_0 */
448 enum gsi_generic_ee_result {
449 GENERIC_EE_SUCCESS = 0x1,
450 GENERIC_EE_CHANNEL_NOT_RUNNING = 0x2,
451 GENERIC_EE_INCORRECT_DIRECTION = 0x3,
452 GENERIC_EE_INCORRECT_CHANNEL_TYPE = 0x4,
453 GENERIC_EE_INCORRECT_CHANNEL = 0x5,
454 GENERIC_EE_RETRY = 0x6,
455 GENERIC_EE_NO_RESOURCES = 0x7,
458 #define USB_MAX_PACKET_FMASK GENMASK(15, 15) /* 0: HS; 1: SS */
459 #define MHI_BASE_CHANNEL_FMASK GENMASK(31, 24)
461 #endif /* _GSI_REG_H_ */