1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2020 Linaro Ltd.
9 #include <linux/bitfield.h>
11 #include "ipa_version.h"
18 * IPA registers are located within the "ipa-reg" address space defined by
19 * Device Tree. The offset of each register within that space is specified
20 * by symbols defined below. The address space is mapped to virtual memory
21 * space in ipa_mem_init(). All IPA registers are 32 bits wide.
23 * Certain register types are duplicated for a number of instances of
24 * something. For example, each IPA endpoint has an set of registers
25 * defining its configuration. The offset to an endpoint's set of registers
26 * is computed based on an "base" offset, plus an endpoint's ID multiplied
27 * and a "stride" value for the register. For such registers, the offset is
28 * computed by a function-like macro that takes a parameter used in the
31 * Some register offsets depend on execution environment. For these an "ee"
32 * parameter is supplied to the offset macro. The "ee" value is a member of
33 * the gsi_ee enumerated type.
35 * The offset of a register dependent on endpoint ID is computed by a macro
36 * that is supplied a parameter "ep", "txep", or "rxep". A register with an
37 * "ep" parameter is valid for any endpoint; a register with a "txep" or
38 * "rxep" parameter is valid only for TX or RX endpoints, respectively. The
39 * "*ep" value is assumed to be less than the maximum valid endpoint ID
40 * for the current hardware, and that will not exceed IPA_ENDPOINT_MAX.
42 * The offset of registers related to filter and route tables is computed
43 * by a macro that is supplied a parameter "er". The "er" represents an
44 * endpoint ID for filters, or a route ID for routes. For filters, the
45 * endpoint ID must be less than IPA_ENDPOINT_MAX, but is further restricted
46 * because not all endpoints support filtering. For routes, the route ID
47 * must be less than IPA_ROUTE_MAX.
49 * The offset of registers related to resource types is computed by a macro
50 * that is supplied a parameter "rt". The "rt" represents a resource type,
51 * which is is a member of the ipa_resource_type_src enumerated type for
52 * source endpoint resources or the ipa_resource_type_dst enumerated type
53 * for destination endpoint resources.
55 * Some registers encode multiple fields within them. For these, each field
56 * has a symbol below defining a field mask that encodes both the position
57 * and width of the field within its register.
59 * In some cases, different versions of IPA hardware use different offset or
60 * field mask values. In such cases an inline_function(ipa) is used rather
61 * than a MACRO to define the offset or field mask to use.
63 * Finally, some registers hold bitmasks representing endpoints. In such
64 * cases the @available field in the @ipa structure defines the "full" set
65 * of valid bits for the register.
68 #define IPA_REG_COMP_CFG_OFFSET 0x0000003c
69 /* The next field is not supported for IPA v4.1 */
70 #define ENABLE_FMASK GENMASK(0, 0)
71 #define GSI_SNOC_BYPASS_DIS_FMASK GENMASK(1, 1)
72 #define GEN_QMB_0_SNOC_BYPASS_DIS_FMASK GENMASK(2, 2)
73 #define GEN_QMB_1_SNOC_BYPASS_DIS_FMASK GENMASK(3, 3)
74 /* The next field is not present for IPA v4.5 */
75 #define IPA_DCMP_FAST_CLK_EN_FMASK GENMASK(4, 4)
76 /* The remaining fields are not present for IPA v3.5.1 */
77 #define IPA_QMB_SELECT_CONS_EN_FMASK GENMASK(5, 5)
78 #define IPA_QMB_SELECT_PROD_EN_FMASK GENMASK(6, 6)
79 #define GSI_MULTI_INORDER_RD_DIS_FMASK GENMASK(7, 7)
80 #define GSI_MULTI_INORDER_WR_DIS_FMASK GENMASK(8, 8)
81 #define GEN_QMB_0_MULTI_INORDER_RD_DIS_FMASK GENMASK(9, 9)
82 #define GEN_QMB_1_MULTI_INORDER_RD_DIS_FMASK GENMASK(10, 10)
83 #define GEN_QMB_0_MULTI_INORDER_WR_DIS_FMASK GENMASK(11, 11)
84 #define GEN_QMB_1_MULTI_INORDER_WR_DIS_FMASK GENMASK(12, 12)
85 #define GEN_QMB_0_SNOC_CNOC_LOOP_PROT_DIS_FMASK GENMASK(13, 13)
86 #define GSI_SNOC_CNOC_LOOP_PROT_DISABLE_FMASK GENMASK(14, 14)
87 #define GSI_MULTI_AXI_MASTERS_DIS_FMASK GENMASK(15, 15)
88 #define IPA_QMB_SELECT_GLOBAL_EN_FMASK GENMASK(16, 16)
89 #define IPA_ATOMIC_FETCHER_ARB_LOCK_DIS_FMASK GENMASK(20, 17)
90 /* The next field is present for IPA v4.5 */
91 #define IPA_FULL_FLUSH_WAIT_RSC_CLOSE_EN_FMASK GENMASK(21, 21)
93 #define IPA_REG_CLKON_CFG_OFFSET 0x00000044
94 #define RX_FMASK GENMASK(0, 0)
95 #define PROC_FMASK GENMASK(1, 1)
96 #define TX_WRAPPER_FMASK GENMASK(2, 2)
97 #define MISC_FMASK GENMASK(3, 3)
98 #define RAM_ARB_FMASK GENMASK(4, 4)
99 #define FTCH_HPS_FMASK GENMASK(5, 5)
100 #define FTCH_DPS_FMASK GENMASK(6, 6)
101 #define HPS_FMASK GENMASK(7, 7)
102 #define DPS_FMASK GENMASK(8, 8)
103 #define RX_HPS_CMDQS_FMASK GENMASK(9, 9)
104 #define HPS_DPS_CMDQS_FMASK GENMASK(10, 10)
105 #define DPS_TX_CMDQS_FMASK GENMASK(11, 11)
106 #define RSRC_MNGR_FMASK GENMASK(12, 12)
107 #define CTX_HANDLER_FMASK GENMASK(13, 13)
108 #define ACK_MNGR_FMASK GENMASK(14, 14)
109 #define D_DCPH_FMASK GENMASK(15, 15)
110 #define H_DCPH_FMASK GENMASK(16, 16)
111 /* The next field is not present for IPA v4.5 */
112 #define DCMP_FMASK GENMASK(17, 17)
113 #define NTF_TX_CMDQS_FMASK GENMASK(18, 18)
114 #define TX_0_FMASK GENMASK(19, 19)
115 #define TX_1_FMASK GENMASK(20, 20)
116 #define FNR_FMASK GENMASK(21, 21)
117 /* The remaining fields are not present for IPA v3.5.1 */
118 #define QSB2AXI_CMDQ_L_FMASK GENMASK(22, 22)
119 #define AGGR_WRAPPER_FMASK GENMASK(23, 23)
120 #define RAM_SLAVEWAY_FMASK GENMASK(24, 24)
121 #define QMB_FMASK GENMASK(25, 25)
122 #define WEIGHT_ARB_FMASK GENMASK(26, 26)
123 #define GSI_IF_FMASK GENMASK(27, 27)
124 #define GLOBAL_FMASK GENMASK(28, 28)
125 #define GLOBAL_2X_CLK_FMASK GENMASK(29, 29)
126 /* The next field is present for IPA v4.5 */
127 #define DPL_FIFO_FMASK GENMASK(30, 30)
129 #define IPA_REG_ROUTE_OFFSET 0x00000048
130 #define ROUTE_DIS_FMASK GENMASK(0, 0)
131 #define ROUTE_DEF_PIPE_FMASK GENMASK(5, 1)
132 #define ROUTE_DEF_HDR_TABLE_FMASK GENMASK(6, 6)
133 #define ROUTE_DEF_HDR_OFST_FMASK GENMASK(16, 7)
134 #define ROUTE_FRAG_DEF_PIPE_FMASK GENMASK(21, 17)
135 #define ROUTE_DEF_RETAIN_HDR_FMASK GENMASK(24, 24)
137 #define IPA_REG_SHARED_MEM_SIZE_OFFSET 0x00000054
138 #define SHARED_MEM_SIZE_FMASK GENMASK(15, 0)
139 #define SHARED_MEM_BADDR_FMASK GENMASK(31, 16)
141 #define IPA_REG_QSB_MAX_WRITES_OFFSET 0x00000074
142 #define GEN_QMB_0_MAX_WRITES_FMASK GENMASK(3, 0)
143 #define GEN_QMB_1_MAX_WRITES_FMASK GENMASK(7, 4)
145 #define IPA_REG_QSB_MAX_READS_OFFSET 0x00000078
146 #define GEN_QMB_0_MAX_READS_FMASK GENMASK(3, 0)
147 #define GEN_QMB_1_MAX_READS_FMASK GENMASK(7, 4)
148 /* The next two fields are not present for IPA v3.5.1 */
149 #define GEN_QMB_0_MAX_READS_BEATS_FMASK GENMASK(23, 16)
150 #define GEN_QMB_1_MAX_READS_BEATS_FMASK GENMASK(31, 24)
152 static inline u32 ipa_reg_filt_rout_hash_en_offset(enum ipa_version version)
154 if (version == IPA_VERSION_3_5_1)
160 static inline u32 ipa_reg_filt_rout_hash_flush_offset(enum ipa_version version)
162 if (version == IPA_VERSION_3_5_1)
168 /* The next four fields are used for the hash enable and flush registers */
169 #define IPV6_ROUTER_HASH_FMASK GENMASK(0, 0)
170 #define IPV6_FILTER_HASH_FMASK GENMASK(4, 4)
171 #define IPV4_ROUTER_HASH_FMASK GENMASK(8, 8)
172 #define IPV4_FILTER_HASH_FMASK GENMASK(12, 12)
174 /* ipa->available defines the valid bits in the STATE_AGGR_ACTIVE register */
175 static inline u32 ipa_reg_state_aggr_active_offset(enum ipa_version version)
177 if (version == IPA_VERSION_3_5_1)
183 /* The next register is not present for IPA v4.5 */
184 #define IPA_REG_BCR_OFFSET 0x000001d0
185 /* The next two fields are not present for IPA v4.2 */
186 #define BCR_CMDQ_L_LACK_ONE_ENTRY_FMASK GENMASK(0, 0)
187 #define BCR_TX_NOT_USING_BRESP_FMASK GENMASK(1, 1)
188 /* The next field is invalid for IPA v4.1 */
189 #define BCR_TX_SUSPEND_IRQ_ASSERT_ONCE_FMASK GENMASK(2, 2)
190 /* The next two fields are not present for IPA v4.2 */
191 #define BCR_SUSPEND_L2_IRQ_FMASK GENMASK(3, 3)
192 #define BCR_HOLB_DROP_L2_IRQ_FMASK GENMASK(4, 4)
193 #define BCR_DUAL_TX_FMASK GENMASK(5, 5)
194 #define BCR_ENABLE_FILTER_DATA_CACHE_FMASK GENMASK(6, 6)
195 #define BCR_NOTIF_PRIORITY_OVER_ZLT_FMASK GENMASK(7, 7)
196 #define BCR_FILTER_PREFETCH_EN_FMASK GENMASK(8, 8)
197 #define BCR_ROUTER_PREFETCH_EN_FMASK GENMASK(9, 9)
199 /* Backward compatibility register value to use for each version */
200 static inline u32 ipa_reg_bcr_val(enum ipa_version version)
202 if (version == IPA_VERSION_3_5_1)
203 return BCR_CMDQ_L_LACK_ONE_ENTRY_FMASK |
204 BCR_TX_NOT_USING_BRESP_FMASK |
205 BCR_SUSPEND_L2_IRQ_FMASK |
206 BCR_HOLB_DROP_L2_IRQ_FMASK |
209 if (version == IPA_VERSION_4_0 || version == IPA_VERSION_4_1)
210 return BCR_CMDQ_L_LACK_ONE_ENTRY_FMASK |
211 BCR_SUSPEND_L2_IRQ_FMASK |
212 BCR_HOLB_DROP_L2_IRQ_FMASK |
215 /* assert(version != IPA_VERSION_4_5); */
220 /* The value of the next register must be a multiple of 8 */
221 #define IPA_REG_LOCAL_PKT_PROC_CNTXT_BASE_OFFSET 0x000001e8
223 /* ipa->available defines the valid bits in the AGGR_FORCE_CLOSE register */
224 #define IPA_REG_AGGR_FORCE_CLOSE_OFFSET 0x000001ec
226 /* The next register is not present for IPA v4.5 */
227 #define IPA_REG_COUNTER_CFG_OFFSET 0x000001f0
228 #define AGGR_GRANULARITY_FMASK GENMASK(8, 4)
230 /* The internal inactivity timer clock is used for the aggregation timer */
231 #define TIMER_FREQUENCY 32000 /* 32 KHz inactivity timer clock */
233 /* Compute the value to use in the AGGR_GRANULARITY field representing the
234 * given number of microseconds. The value is one less than the number of
235 * timer ticks in the requested period. 0 not a valid granularity value.
237 static inline u32 ipa_aggr_granularity_val(u32 usec)
239 return DIV_ROUND_CLOSEST(usec * TIMER_FREQUENCY, USEC_PER_SEC) - 1;
242 /* The next register is not present for IPA v4.5 */
243 #define IPA_REG_TX_CFG_OFFSET 0x000001fc
244 /* The first three fields are present for IPA v3.5.1 only */
245 #define TX0_PREFETCH_DISABLE_FMASK GENMASK(0, 0)
246 #define TX1_PREFETCH_DISABLE_FMASK GENMASK(1, 1)
247 #define PREFETCH_ALMOST_EMPTY_SIZE_FMASK GENMASK(4, 2)
248 /* The next six fields are present for IPA v4.0 and above */
249 #define PREFETCH_ALMOST_EMPTY_SIZE_TX0_FMASK GENMASK(5, 2)
250 #define DMAW_SCND_OUTSD_PRED_THRESHOLD_FMASK GENMASK(9, 6)
251 #define DMAW_SCND_OUTSD_PRED_EN_FMASK GENMASK(10, 10)
252 #define DMAW_MAX_BEATS_256_DIS_FMASK GENMASK(11, 11)
253 #define PA_MASK_EN_FMASK GENMASK(12, 12)
254 #define PREFETCH_ALMOST_EMPTY_SIZE_TX1_FMASK GENMASK(16, 13)
255 /* The next field is present for IPA v4.5 */
256 #define DUAL_TX_ENABLE_FMASK GENMASK(17, 17)
257 /* The next two fields are present for IPA v4.2 only */
258 #define SSPND_PA_NO_START_STATE_FMASK GENMASK(18, 18)
259 #define SSPND_PA_NO_BQ_STATE_FMASK GENMASK(19, 19)
261 #define IPA_REG_FLAVOR_0_OFFSET 0x00000210
262 #define IPA_MAX_PIPES_FMASK GENMASK(3, 0)
263 #define IPA_MAX_CONS_PIPES_FMASK GENMASK(12, 8)
264 #define IPA_MAX_PROD_PIPES_FMASK GENMASK(20, 16)
265 #define IPA_PROD_LOWEST_FMASK GENMASK(27, 24)
267 static inline u32 ipa_reg_idle_indication_cfg_offset(enum ipa_version version)
269 if (version >= IPA_VERSION_4_2)
275 #define ENTER_IDLE_DEBOUNCE_THRESH_FMASK GENMASK(15, 0)
276 #define CONST_NON_IDLE_ENABLE_FMASK GENMASK(16, 16)
278 /* The next register is present for IPA v4.5 */
279 #define IPA_REG_QTIME_TIMESTAMP_CFG_OFFSET 0x0000024c
280 #define DPL_TIMESTAMP_LSB_FMASK GENMASK(4, 0)
281 #define DPL_TIMESTAMP_SEL_FMASK GENMASK(7, 7)
282 #define TAG_TIMESTAMP_LSB_FMASK GENMASK(12, 8)
283 #define NAT_TIMESTAMP_LSB_FMASK GENMASK(20, 16)
285 /* The next register is present for IPA v4.5 */
286 #define IPA_REG_TIMERS_XO_CLK_DIV_CFG_OFFSET 0x00000250
287 #define DIV_VALUE_FMASK GENMASK(8, 0)
288 #define DIV_ENABLE_FMASK GENMASK(31, 31)
290 /* The next register is present for IPA v4.5 */
291 #define IPA_REG_TIMERS_PULSE_GRAN_CFG_OFFSET 0x00000254
292 #define GRAN_0_FMASK GENMASK(2, 0)
293 #define GRAN_1_FMASK GENMASK(5, 3)
294 #define GRAN_2_FMASK GENMASK(8, 6)
295 /* Values for GRAN_x fields of TIMERS_PULSE_GRAN_CFG */
296 enum ipa_pulse_gran {
297 IPA_GRAN_10_US = 0x0,
298 IPA_GRAN_20_US = 0x1,
299 IPA_GRAN_50_US = 0x2,
300 IPA_GRAN_100_US = 0x3,
302 IPA_GRAN_10_MS = 0x5,
303 IPA_GRAN_100_MS = 0x6,
304 IPA_GRAN_655350_US = 0x7,
307 /* # IPA source resource groups available based on version */
308 static inline u32 ipa_resource_group_src_count(enum ipa_version version)
311 case IPA_VERSION_3_5_1:
312 case IPA_VERSION_4_0:
313 case IPA_VERSION_4_1:
316 case IPA_VERSION_4_2:
319 case IPA_VERSION_4_5:
327 /* # IPA destination resource groups available based on version */
328 static inline u32 ipa_resource_group_dst_count(enum ipa_version version)
331 case IPA_VERSION_3_5_1:
334 case IPA_VERSION_4_0:
335 case IPA_VERSION_4_1:
338 case IPA_VERSION_4_2:
341 case IPA_VERSION_4_5:
349 /* Not all of the following are valid (depends on the count, above) */
350 #define IPA_REG_SRC_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(rt) \
351 (0x00000400 + 0x0020 * (rt))
352 #define IPA_REG_SRC_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(rt) \
353 (0x00000404 + 0x0020 * (rt))
354 /* The next register is only present for IPA v4.5 */
355 #define IPA_REG_SRC_RSRC_GRP_45_RSRC_TYPE_N_OFFSET(rt) \
356 (0x00000408 + 0x0020 * (rt))
357 #define IPA_REG_DST_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(rt) \
358 (0x00000500 + 0x0020 * (rt))
359 #define IPA_REG_DST_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(rt) \
360 (0x00000504 + 0x0020 * (rt))
361 /* The next register is only present for IPA v4.5 */
362 #define IPA_REG_DST_RSRC_GRP_45_RSRC_TYPE_N_OFFSET(rt) \
363 (0x00000508 + 0x0020 * (rt))
364 /* The next four fields are used for all resource group registers */
365 #define X_MIN_LIM_FMASK GENMASK(5, 0)
366 #define X_MAX_LIM_FMASK GENMASK(13, 8)
367 /* The next two fields are not always present (if resource count is odd) */
368 #define Y_MIN_LIM_FMASK GENMASK(21, 16)
369 #define Y_MAX_LIM_FMASK GENMASK(29, 24)
371 #define IPA_REG_ENDP_INIT_CTRL_N_OFFSET(ep) \
372 (0x00000800 + 0x0070 * (ep))
373 /* The next field should only used for IPA v3.5.1 */
374 #define ENDP_SUSPEND_FMASK GENMASK(0, 0)
375 #define ENDP_DELAY_FMASK GENMASK(1, 1)
377 #define IPA_REG_ENDP_INIT_CFG_N_OFFSET(ep) \
378 (0x00000808 + 0x0070 * (ep))
379 #define FRAG_OFFLOAD_EN_FMASK GENMASK(0, 0)
380 #define CS_OFFLOAD_EN_FMASK GENMASK(2, 1)
381 #define CS_METADATA_HDR_OFFSET_FMASK GENMASK(6, 3)
382 #define CS_GEN_QMB_MASTER_SEL_FMASK GENMASK(8, 8)
384 /** enum ipa_cs_offload_en - checksum offload field in ENDP_INIT_CFG_N */
385 enum ipa_cs_offload_en {
386 IPA_CS_OFFLOAD_NONE = 0x0,
387 IPA_CS_OFFLOAD_UL = 0x1,
388 IPA_CS_OFFLOAD_DL = 0x2,
391 #define IPA_REG_ENDP_INIT_HDR_N_OFFSET(ep) \
392 (0x00000810 + 0x0070 * (ep))
393 #define HDR_LEN_FMASK GENMASK(5, 0)
394 #define HDR_OFST_METADATA_VALID_FMASK GENMASK(6, 6)
395 #define HDR_OFST_METADATA_FMASK GENMASK(12, 7)
396 #define HDR_ADDITIONAL_CONST_LEN_FMASK GENMASK(18, 13)
397 #define HDR_OFST_PKT_SIZE_VALID_FMASK GENMASK(19, 19)
398 #define HDR_OFST_PKT_SIZE_FMASK GENMASK(25, 20)
399 #define HDR_A5_MUX_FMASK GENMASK(26, 26)
400 #define HDR_LEN_INC_DEAGG_HDR_FMASK GENMASK(27, 27)
401 /* The next field is not present for IPA v4.5 */
402 #define HDR_METADATA_REG_VALID_FMASK GENMASK(28, 28)
403 /* The next two fields are present for IPA v4.5 */
404 #define HDR_LEN_MSB_FMASK GENMASK(29, 28)
405 #define HDR_OFST_METADATA_MSB_FMASK GENMASK(31, 30)
407 /* Encoded value for ENDP_INIT_HDR register HDR_LEN* field(s) */
408 static inline u32 ipa_header_size_encoded(enum ipa_version version,
413 val = u32_encode_bits(header_size, HDR_LEN_FMASK);
414 if (version < IPA_VERSION_4_5)
417 /* IPA v4.5 adds a few more most-significant bits */
418 header_size >>= hweight32(HDR_LEN_FMASK);
419 val |= u32_encode_bits(header_size, HDR_LEN_MSB_FMASK);
424 /* Encoded value for ENDP_INIT_HDR register OFST_METADATA* field(s) */
425 static inline u32 ipa_metadata_offset_encoded(enum ipa_version version,
430 val = u32_encode_bits(offset, HDR_OFST_METADATA_FMASK);
431 if (version < IPA_VERSION_4_5)
434 /* IPA v4.5 adds a few more most-significant bits */
435 offset >>= hweight32(HDR_OFST_METADATA_FMASK);
436 val |= u32_encode_bits(offset, HDR_OFST_METADATA_MSB_FMASK);
441 #define IPA_REG_ENDP_INIT_HDR_EXT_N_OFFSET(ep) \
442 (0x00000814 + 0x0070 * (ep))
443 #define HDR_ENDIANNESS_FMASK GENMASK(0, 0)
444 #define HDR_TOTAL_LEN_OR_PAD_VALID_FMASK GENMASK(1, 1)
445 #define HDR_TOTAL_LEN_OR_PAD_FMASK GENMASK(2, 2)
446 #define HDR_PAYLOAD_LEN_INC_PADDING_FMASK GENMASK(3, 3)
447 #define HDR_TOTAL_LEN_OR_PAD_OFFSET_FMASK GENMASK(9, 4)
448 #define HDR_PAD_TO_ALIGNMENT_FMASK GENMASK(13, 10)
449 /* The next three fields are present for IPA v4.5 */
450 #define HDR_TOTAL_LEN_OR_PAD_OFFSET_MSB_FMASK GENMASK(17, 16)
451 #define HDR_OFST_PKT_SIZE_MSB_FMASK GENMASK(19, 18)
452 #define HDR_ADDITIONAL_CONST_LEN_MSB_FMASK GENMASK(21, 20)
454 /* Valid only for RX (IPA producer) endpoints */
455 #define IPA_REG_ENDP_INIT_HDR_METADATA_MASK_N_OFFSET(rxep) \
456 (0x00000818 + 0x0070 * (rxep))
458 /* Valid only for TX (IPA consumer) endpoints */
459 #define IPA_REG_ENDP_INIT_MODE_N_OFFSET(txep) \
460 (0x00000820 + 0x0070 * (txep))
461 #define MODE_FMASK GENMASK(2, 0)
462 /* The next field is present for IPA v4.5 */
463 #define DCPH_ENABLE_FMASK GENMASK(3, 3)
464 #define DEST_PIPE_INDEX_FMASK GENMASK(8, 4)
465 #define BYTE_THRESHOLD_FMASK GENMASK(27, 12)
466 #define PIPE_REPLICATION_EN_FMASK GENMASK(28, 28)
467 #define PAD_EN_FMASK GENMASK(29, 29)
468 /* The next register is not present for IPA v4.5 */
469 #define HDR_FTCH_DISABLE_FMASK GENMASK(30, 30)
471 /** enum ipa_mode - mode field in ENDP_INIT_MODE_N */
474 IPA_ENABLE_FRAMING_HDLC = 0x1,
475 IPA_ENABLE_DEFRAMING_HDLC = 0x2,
479 #define IPA_REG_ENDP_INIT_AGGR_N_OFFSET(ep) \
480 (0x00000824 + 0x0070 * (ep))
481 #define AGGR_EN_FMASK GENMASK(1, 0)
482 #define AGGR_TYPE_FMASK GENMASK(4, 2)
483 static inline u32 aggr_byte_limit_fmask(bool legacy)
485 return legacy ? GENMASK(9, 5) : GENMASK(10, 5);
488 static inline u32 aggr_time_limit_fmask(bool legacy)
490 return legacy ? GENMASK(14, 10) : GENMASK(16, 12);
493 static inline u32 aggr_pkt_limit_fmask(bool legacy)
495 return legacy ? GENMASK(20, 15) : GENMASK(22, 17);
498 static inline u32 aggr_sw_eof_active_fmask(bool legacy)
500 return legacy ? GENMASK(21, 21) : GENMASK(23, 23);
503 static inline u32 aggr_force_close_fmask(bool legacy)
505 return legacy ? GENMASK(22, 22) : GENMASK(24, 24);
508 static inline u32 aggr_hard_byte_limit_enable_fmask(bool legacy)
510 return legacy ? GENMASK(24, 24) : GENMASK(26, 26);
513 /* The next field is present for IPA v4.5 */
514 #define AGGR_GRAN_SEL_FMASK GENMASK(27, 27)
516 /** enum ipa_aggr_en - aggregation enable field in ENDP_INIT_AGGR_N */
518 IPA_BYPASS_AGGR = 0x0,
519 IPA_ENABLE_AGGR = 0x1,
520 IPA_ENABLE_DEAGGR = 0x2,
523 /** enum ipa_aggr_type - aggregation type field in ENDP_INIT_AGGR_N */
534 /* Valid only for RX (IPA producer) endpoints */
535 #define IPA_REG_ENDP_INIT_HOL_BLOCK_EN_N_OFFSET(rxep) \
536 (0x0000082c + 0x0070 * (rxep))
537 #define HOL_BLOCK_EN_FMASK GENMASK(0, 0)
539 /* Valid only for RX (IPA producer) endpoints */
540 #define IPA_REG_ENDP_INIT_HOL_BLOCK_TIMER_N_OFFSET(rxep) \
541 (0x00000830 + 0x0070 * (rxep))
542 /* The next two fields are present for IPA v4.2 only */
543 #define BASE_VALUE_FMASK GENMASK(4, 0)
544 #define SCALE_FMASK GENMASK(12, 8)
545 /* The next two fields are present for IPA v4.5 */
546 #define TIME_LIMIT_FMASK GENMASK(4, 0)
547 #define GRAN_SEL_FMASK GENMASK(8, 8)
549 /* Valid only for TX (IPA consumer) endpoints */
550 #define IPA_REG_ENDP_INIT_DEAGGR_N_OFFSET(txep) \
551 (0x00000834 + 0x0070 * (txep))
552 #define DEAGGR_HDR_LEN_FMASK GENMASK(5, 0)
553 #define SYSPIPE_ERR_DETECTION_FMASK GENMASK(6, 6)
554 #define PACKET_OFFSET_VALID_FMASK GENMASK(7, 7)
555 #define PACKET_OFFSET_LOCATION_FMASK GENMASK(13, 8)
556 #define IGNORE_MIN_PKT_ERR_FMASK GENMASK(14, 14)
557 #define MAX_PACKET_LEN_FMASK GENMASK(31, 16)
559 #define IPA_REG_ENDP_INIT_RSRC_GRP_N_OFFSET(ep) \
560 (0x00000838 + 0x0070 * (ep))
561 /* Encoded value for ENDP_INIT_RSRC_GRP register RSRC_GRP field */
562 static inline u32 rsrc_grp_encoded(enum ipa_version version, u32 rsrc_grp)
565 case IPA_VERSION_4_2:
566 return u32_encode_bits(rsrc_grp, GENMASK(0, 0));
567 case IPA_VERSION_4_5:
568 return u32_encode_bits(rsrc_grp, GENMASK(2, 0));
570 return u32_encode_bits(rsrc_grp, GENMASK(1, 0));
574 /* Valid only for TX (IPA consumer) endpoints */
575 #define IPA_REG_ENDP_INIT_SEQ_N_OFFSET(txep) \
576 (0x0000083c + 0x0070 * (txep))
577 #define HPS_SEQ_TYPE_FMASK GENMASK(3, 0)
578 #define DPS_SEQ_TYPE_FMASK GENMASK(7, 4)
579 #define HPS_REP_SEQ_TYPE_FMASK GENMASK(11, 8)
580 #define DPS_REP_SEQ_TYPE_FMASK GENMASK(15, 12)
583 * enum ipa_seq_type - HPS and DPS sequencer type fields in ENDP_INIT_SEQ_N
584 * @IPA_SEQ_DMA_ONLY: only DMA is performed
585 * @IPA_SEQ_2ND_PKT_PROCESS_PASS_NO_DEC_UCP:
586 * second packet processing pass + no decipher + microcontroller
587 * @IPA_SEQ_PKT_PROCESS_NO_DEC_NO_UCP_DMAP:
588 * packet processing + no decipher + no uCP + HPS REP DMA parser
589 * @IPA_SEQ_INVALID: invalid sequencer type
591 * The values defined here are broken into 4-bit nibbles that are written
592 * into fields of the ENDP_INIT_SEQ registers.
595 IPA_SEQ_DMA_ONLY = 0x0000,
596 IPA_SEQ_2ND_PKT_PROCESS_PASS_NO_DEC_UCP = 0x0004,
597 IPA_SEQ_PKT_PROCESS_NO_DEC_NO_UCP_DMAP = 0x0806,
598 IPA_SEQ_INVALID = 0xffff,
601 #define IPA_REG_ENDP_STATUS_N_OFFSET(ep) \
602 (0x00000840 + 0x0070 * (ep))
603 #define STATUS_EN_FMASK GENMASK(0, 0)
604 #define STATUS_ENDP_FMASK GENMASK(5, 1)
605 /* The next field is not present for IPA v4.5 */
606 #define STATUS_LOCATION_FMASK GENMASK(8, 8)
607 /* The next field is not present for IPA v3.5.1 */
608 #define STATUS_PKT_SUPPRESS_FMASK GENMASK(9, 9)
610 /* The next register is only present for IPA versions that support hashing */
611 #define IPA_REG_ENDP_FILTER_ROUTER_HSH_CFG_N_OFFSET(er) \
612 (0x0000085c + 0x0070 * (er))
613 #define FILTER_HASH_MSK_SRC_ID_FMASK GENMASK(0, 0)
614 #define FILTER_HASH_MSK_SRC_IP_FMASK GENMASK(1, 1)
615 #define FILTER_HASH_MSK_DST_IP_FMASK GENMASK(2, 2)
616 #define FILTER_HASH_MSK_SRC_PORT_FMASK GENMASK(3, 3)
617 #define FILTER_HASH_MSK_DST_PORT_FMASK GENMASK(4, 4)
618 #define FILTER_HASH_MSK_PROTOCOL_FMASK GENMASK(5, 5)
619 #define FILTER_HASH_MSK_METADATA_FMASK GENMASK(6, 6)
620 #define IPA_REG_ENDP_FILTER_HASH_MSK_ALL GENMASK(6, 0)
622 #define ROUTER_HASH_MSK_SRC_ID_FMASK GENMASK(16, 16)
623 #define ROUTER_HASH_MSK_SRC_IP_FMASK GENMASK(17, 17)
624 #define ROUTER_HASH_MSK_DST_IP_FMASK GENMASK(18, 18)
625 #define ROUTER_HASH_MSK_SRC_PORT_FMASK GENMASK(19, 19)
626 #define ROUTER_HASH_MSK_DST_PORT_FMASK GENMASK(20, 20)
627 #define ROUTER_HASH_MSK_PROTOCOL_FMASK GENMASK(21, 21)
628 #define ROUTER_HASH_MSK_METADATA_FMASK GENMASK(22, 22)
629 #define IPA_REG_ENDP_ROUTER_HASH_MSK_ALL GENMASK(22, 16)
631 #define IPA_REG_IRQ_STTS_OFFSET \
632 IPA_REG_IRQ_STTS_EE_N_OFFSET(GSI_EE_AP)
633 #define IPA_REG_IRQ_STTS_EE_N_OFFSET(ee) \
634 (0x00003008 + 0x1000 * (ee))
636 #define IPA_REG_IRQ_EN_OFFSET \
637 IPA_REG_IRQ_EN_EE_N_OFFSET(GSI_EE_AP)
638 #define IPA_REG_IRQ_EN_EE_N_OFFSET(ee) \
639 (0x0000300c + 0x1000 * (ee))
641 #define IPA_REG_IRQ_CLR_OFFSET \
642 IPA_REG_IRQ_CLR_EE_N_OFFSET(GSI_EE_AP)
643 #define IPA_REG_IRQ_CLR_EE_N_OFFSET(ee) \
644 (0x00003010 + 0x1000 * (ee))
646 * enum ipa_irq_id - Bit positions representing type of IPA IRQ
647 * @IPA_IRQ_UC_0: Microcontroller event interrupt
648 * @IPA_IRQ_UC_1: Microcontroller response interrupt
649 * @IPA_IRQ_TX_SUSPEND: Data ready interrupt
651 * IRQ types not described above are not currently used.
654 IPA_IRQ_BAD_SNOC_ACCESS = 0x0,
655 /* Type (bit) 0x1 is not defined */
660 IPA_IRQ_UC_IN_Q_NOT_EMPTY = 0x6,
661 IPA_IRQ_UC_RX_CMD_Q_NOT_FULL = 0x7,
662 IPA_IRQ_PROC_UC_ACK_Q_NOT_EMPTY = 0x8,
663 IPA_IRQ_RX_ERR = 0x9,
664 IPA_IRQ_DEAGGR_ERR = 0xa,
665 IPA_IRQ_TX_ERR = 0xb,
666 IPA_IRQ_STEP_MODE = 0xc,
667 IPA_IRQ_PROC_ERR = 0xd,
668 IPA_IRQ_TX_SUSPEND = 0xe,
669 IPA_IRQ_TX_HOLB_DROP = 0xf,
670 IPA_IRQ_BAM_GSI_IDLE = 0x10,
671 IPA_IRQ_PIPE_YELLOW_BELOW = 0x11,
672 IPA_IRQ_PIPE_RED_BELOW = 0x12,
673 IPA_IRQ_PIPE_YELLOW_ABOVE = 0x13,
674 IPA_IRQ_PIPE_RED_ABOVE = 0x14,
677 IPA_IRQ_GSI_EE = 0x17,
678 IPA_IRQ_GSI_IPA_IF_TLV_RCVD = 0x18,
679 IPA_IRQ_GSI_UC = 0x19,
680 /* The next bit is present for IPA v4.5 */
681 IPA_IRQ_TLV_LEN_MIN_DSM = 0x1a,
682 IPA_IRQ_COUNT, /* Last; not an id */
685 #define IPA_REG_IRQ_UC_OFFSET \
686 IPA_REG_IRQ_UC_EE_N_OFFSET(GSI_EE_AP)
687 #define IPA_REG_IRQ_UC_EE_N_OFFSET(ee) \
688 (0x0000301c + 0x1000 * (ee))
689 #define UC_INTR_FMASK GENMASK(0, 0)
691 /* ipa->available defines the valid bits in the SUSPEND_INFO register */
692 #define IPA_REG_IRQ_SUSPEND_INFO_OFFSET \
693 IPA_REG_IRQ_SUSPEND_INFO_EE_N_OFFSET(GSI_EE_AP)
694 #define IPA_REG_IRQ_SUSPEND_INFO_EE_N_OFFSET(ee) \
695 (0x00003030 + 0x1000 * (ee))
697 /* ipa->available defines the valid bits in the IRQ_SUSPEND_EN register */
698 #define IPA_REG_IRQ_SUSPEND_EN_OFFSET \
699 IPA_REG_IRQ_SUSPEND_EN_EE_N_OFFSET(GSI_EE_AP)
700 #define IPA_REG_IRQ_SUSPEND_EN_EE_N_OFFSET(ee) \
701 (0x00003034 + 0x1000 * (ee))
703 /* ipa->available defines the valid bits in the IRQ_SUSPEND_CLR register */
704 #define IPA_REG_IRQ_SUSPEND_CLR_OFFSET \
705 IPA_REG_IRQ_SUSPEND_CLR_EE_N_OFFSET(GSI_EE_AP)
706 #define IPA_REG_IRQ_SUSPEND_CLR_EE_N_OFFSET(ee) \
707 (0x00003038 + 0x1000 * (ee))
709 int ipa_reg_init(struct ipa *ipa);
710 void ipa_reg_exit(struct ipa *ipa);
712 #endif /* _IPA_REG_H_ */