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850 lines
30 KiB
850 lines
30 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. |
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* Copyright (C) 2018-2021 Linaro Ltd. |
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*/ |
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#ifndef _IPA_REG_H_ |
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#define _IPA_REG_H_ |
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#include <linux/bitfield.h> |
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#include "ipa_version.h" |
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struct ipa; |
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/** |
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* DOC: IPA Registers |
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* |
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* IPA registers are located within the "ipa-reg" address space defined by |
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* Device Tree. The offset of each register within that space is specified |
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* by symbols defined below. The address space is mapped to virtual memory |
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* space in ipa_mem_init(). All IPA registers are 32 bits wide. |
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* |
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* Certain register types are duplicated for a number of instances of |
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* something. For example, each IPA endpoint has an set of registers |
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* defining its configuration. The offset to an endpoint's set of registers |
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* is computed based on an "base" offset, plus an endpoint's ID multiplied |
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* and a "stride" value for the register. For such registers, the offset is |
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* computed by a function-like macro that takes a parameter used in the |
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* computation. |
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* |
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* Some register offsets depend on execution environment. For these an "ee" |
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* parameter is supplied to the offset macro. The "ee" value is a member of |
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* the gsi_ee enumerated type. |
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* |
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* The offset of a register dependent on endpoint ID is computed by a macro |
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* that is supplied a parameter "ep", "txep", or "rxep". A register with an |
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* "ep" parameter is valid for any endpoint; a register with a "txep" or |
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* "rxep" parameter is valid only for TX or RX endpoints, respectively. The |
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* "*ep" value is assumed to be less than the maximum valid endpoint ID |
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* for the current hardware, and that will not exceed IPA_ENDPOINT_MAX. |
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* |
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* The offset of registers related to filter and route tables is computed |
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* by a macro that is supplied a parameter "er". The "er" represents an |
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* endpoint ID for filters, or a route ID for routes. For filters, the |
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* endpoint ID must be less than IPA_ENDPOINT_MAX, but is further restricted |
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* because not all endpoints support filtering. For routes, the route ID |
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* must be less than IPA_ROUTE_MAX. |
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* |
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* The offset of registers related to resource types is computed by a macro |
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* that is supplied a parameter "rt". The "rt" represents a resource type, |
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* which is is a member of the ipa_resource_type_src enumerated type for |
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* source endpoint resources or the ipa_resource_type_dst enumerated type |
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* for destination endpoint resources. |
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* |
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* Some registers encode multiple fields within them. For these, each field |
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* has a symbol below defining a field mask that encodes both the position |
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* and width of the field within its register. |
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* |
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* In some cases, different versions of IPA hardware use different offset or |
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* field mask values. In such cases an inline_function(ipa) is used rather |
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* than a MACRO to define the offset or field mask to use. |
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* |
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* Finally, some registers hold bitmasks representing endpoints. In such |
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* cases the @available field in the @ipa structure defines the "full" set |
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* of valid bits for the register. |
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*/ |
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#define IPA_REG_COMP_CFG_OFFSET 0x0000003c |
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/* The next field is not supported for IPA v4.0+, not present for IPA v4.5+ */ |
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#define ENABLE_FMASK GENMASK(0, 0) |
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/* The next field is present for IPA v4.7+ */ |
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#define RAM_ARB_PRI_CLIENT_SAMP_FIX_DIS_FMASK GENMASK(0, 0) |
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#define GSI_SNOC_BYPASS_DIS_FMASK GENMASK(1, 1) |
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#define GEN_QMB_0_SNOC_BYPASS_DIS_FMASK GENMASK(2, 2) |
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#define GEN_QMB_1_SNOC_BYPASS_DIS_FMASK GENMASK(3, 3) |
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/* The next field is not present for IPA v4.5+ */ |
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#define IPA_DCMP_FAST_CLK_EN_FMASK GENMASK(4, 4) |
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/* The next twelve fields are present for IPA v4.0+ */ |
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#define IPA_QMB_SELECT_CONS_EN_FMASK GENMASK(5, 5) |
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#define IPA_QMB_SELECT_PROD_EN_FMASK GENMASK(6, 6) |
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#define GSI_MULTI_INORDER_RD_DIS_FMASK GENMASK(7, 7) |
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#define GSI_MULTI_INORDER_WR_DIS_FMASK GENMASK(8, 8) |
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#define GEN_QMB_0_MULTI_INORDER_RD_DIS_FMASK GENMASK(9, 9) |
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#define GEN_QMB_1_MULTI_INORDER_RD_DIS_FMASK GENMASK(10, 10) |
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#define GEN_QMB_0_MULTI_INORDER_WR_DIS_FMASK GENMASK(11, 11) |
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#define GEN_QMB_1_MULTI_INORDER_WR_DIS_FMASK GENMASK(12, 12) |
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#define GEN_QMB_0_SNOC_CNOC_LOOP_PROT_DIS_FMASK GENMASK(13, 13) |
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#define GSI_SNOC_CNOC_LOOP_PROT_DISABLE_FMASK GENMASK(14, 14) |
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#define GSI_MULTI_AXI_MASTERS_DIS_FMASK GENMASK(15, 15) |
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#define IPA_QMB_SELECT_GLOBAL_EN_FMASK GENMASK(16, 16) |
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/* The next five fields are present for IPA v4.9+ */ |
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#define QMB_RAM_RD_CACHE_DISABLE_FMASK GENMASK(19, 19) |
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#define GENQMB_AOOOWR_FMASK GENMASK(20, 20) |
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#define IF_OUT_OF_BUF_STOP_RESET_MASK_EN_FMASK GENMASK(21, 21) |
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#define GEN_QMB_1_DYNAMIC_ASIZE_FMASK GENMASK(30, 30) |
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#define GEN_QMB_0_DYNAMIC_ASIZE_FMASK GENMASK(31, 31) |
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/* Encoded value for COMP_CFG register ATOMIC_FETCHER_ARB_LOCK_DIS field */ |
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static inline u32 arbitration_lock_disable_encoded(enum ipa_version version, |
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u32 mask) |
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{ |
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WARN_ON(version < IPA_VERSION_4_0); |
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if (version < IPA_VERSION_4_9) |
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return u32_encode_bits(mask, GENMASK(20, 17)); |
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if (version == IPA_VERSION_4_9) |
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return u32_encode_bits(mask, GENMASK(24, 22)); |
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return u32_encode_bits(mask, GENMASK(23, 22)); |
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} |
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/* Encoded value for COMP_CFG register FULL_FLUSH_WAIT_RS_CLOSURE_EN field */ |
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static inline u32 full_flush_rsc_closure_en_encoded(enum ipa_version version, |
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bool enable) |
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{ |
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u32 val = enable ? 1 : 0; |
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WARN_ON(version < IPA_VERSION_4_5); |
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if (version == IPA_VERSION_4_5 || version == IPA_VERSION_4_7) |
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return u32_encode_bits(val, GENMASK(21, 21)); |
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return u32_encode_bits(val, GENMASK(17, 17)); |
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} |
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#define IPA_REG_CLKON_CFG_OFFSET 0x00000044 |
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#define RX_FMASK GENMASK(0, 0) |
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#define PROC_FMASK GENMASK(1, 1) |
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#define TX_WRAPPER_FMASK GENMASK(2, 2) |
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#define MISC_FMASK GENMASK(3, 3) |
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#define RAM_ARB_FMASK GENMASK(4, 4) |
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#define FTCH_HPS_FMASK GENMASK(5, 5) |
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#define FTCH_DPS_FMASK GENMASK(6, 6) |
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#define HPS_FMASK GENMASK(7, 7) |
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#define DPS_FMASK GENMASK(8, 8) |
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#define RX_HPS_CMDQS_FMASK GENMASK(9, 9) |
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#define HPS_DPS_CMDQS_FMASK GENMASK(10, 10) |
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#define DPS_TX_CMDQS_FMASK GENMASK(11, 11) |
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#define RSRC_MNGR_FMASK GENMASK(12, 12) |
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#define CTX_HANDLER_FMASK GENMASK(13, 13) |
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#define ACK_MNGR_FMASK GENMASK(14, 14) |
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#define D_DCPH_FMASK GENMASK(15, 15) |
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#define H_DCPH_FMASK GENMASK(16, 16) |
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/* The next field is not present for IPA v4.5+ */ |
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#define DCMP_FMASK GENMASK(17, 17) |
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/* The next three fields are present for IPA v3.5+ */ |
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#define NTF_TX_CMDQS_FMASK GENMASK(18, 18) |
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#define TX_0_FMASK GENMASK(19, 19) |
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#define TX_1_FMASK GENMASK(20, 20) |
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/* The next field is present for IPA v3.5.1+ */ |
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#define FNR_FMASK GENMASK(21, 21) |
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/* The next eight fields are present for IPA v4.0+ */ |
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#define QSB2AXI_CMDQ_L_FMASK GENMASK(22, 22) |
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#define AGGR_WRAPPER_FMASK GENMASK(23, 23) |
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#define RAM_SLAVEWAY_FMASK GENMASK(24, 24) |
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#define QMB_FMASK GENMASK(25, 25) |
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#define WEIGHT_ARB_FMASK GENMASK(26, 26) |
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#define GSI_IF_FMASK GENMASK(27, 27) |
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#define GLOBAL_FMASK GENMASK(28, 28) |
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#define GLOBAL_2X_CLK_FMASK GENMASK(29, 29) |
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/* The next field is present for IPA v4.5+ */ |
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#define DPL_FIFO_FMASK GENMASK(30, 30) |
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/* The next field is present for IPA v4.7+ */ |
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#define DRBIP_FMASK GENMASK(31, 31) |
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#define IPA_REG_ROUTE_OFFSET 0x00000048 |
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#define ROUTE_DIS_FMASK GENMASK(0, 0) |
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#define ROUTE_DEF_PIPE_FMASK GENMASK(5, 1) |
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#define ROUTE_DEF_HDR_TABLE_FMASK GENMASK(6, 6) |
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#define ROUTE_DEF_HDR_OFST_FMASK GENMASK(16, 7) |
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#define ROUTE_FRAG_DEF_PIPE_FMASK GENMASK(21, 17) |
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#define ROUTE_DEF_RETAIN_HDR_FMASK GENMASK(24, 24) |
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#define IPA_REG_SHARED_MEM_SIZE_OFFSET 0x00000054 |
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#define SHARED_MEM_SIZE_FMASK GENMASK(15, 0) |
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#define SHARED_MEM_BADDR_FMASK GENMASK(31, 16) |
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#define IPA_REG_QSB_MAX_WRITES_OFFSET 0x00000074 |
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#define GEN_QMB_0_MAX_WRITES_FMASK GENMASK(3, 0) |
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#define GEN_QMB_1_MAX_WRITES_FMASK GENMASK(7, 4) |
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#define IPA_REG_QSB_MAX_READS_OFFSET 0x00000078 |
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#define GEN_QMB_0_MAX_READS_FMASK GENMASK(3, 0) |
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#define GEN_QMB_1_MAX_READS_FMASK GENMASK(7, 4) |
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/* The next two fields are present for IPA v4.0+ */ |
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#define GEN_QMB_0_MAX_READS_BEATS_FMASK GENMASK(23, 16) |
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#define GEN_QMB_1_MAX_READS_BEATS_FMASK GENMASK(31, 24) |
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static inline u32 ipa_reg_filt_rout_hash_en_offset(enum ipa_version version) |
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{ |
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if (version < IPA_VERSION_4_0) |
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return 0x000008c; |
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return 0x0000148; |
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} |
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static inline u32 ipa_reg_filt_rout_hash_flush_offset(enum ipa_version version) |
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{ |
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if (version < IPA_VERSION_4_0) |
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return 0x0000090; |
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return 0x000014c; |
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} |
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/* The next four fields are used for the hash enable and flush registers */ |
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#define IPV6_ROUTER_HASH_FMASK GENMASK(0, 0) |
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#define IPV6_FILTER_HASH_FMASK GENMASK(4, 4) |
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#define IPV4_ROUTER_HASH_FMASK GENMASK(8, 8) |
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#define IPV4_FILTER_HASH_FMASK GENMASK(12, 12) |
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/* ipa->available defines the valid bits in the STATE_AGGR_ACTIVE register */ |
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static inline u32 ipa_reg_state_aggr_active_offset(enum ipa_version version) |
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{ |
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if (version < IPA_VERSION_4_0) |
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return 0x0000010c; |
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return 0x000000b4; |
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} |
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/* The next register is not present for IPA v4.5+ */ |
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#define IPA_REG_BCR_OFFSET 0x000001d0 |
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/* The next two fields are not present for IPA v4.2+ */ |
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#define BCR_CMDQ_L_LACK_ONE_ENTRY_FMASK GENMASK(0, 0) |
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#define BCR_TX_NOT_USING_BRESP_FMASK GENMASK(1, 1) |
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/* The next field is invalid for IPA v4.0+ */ |
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#define BCR_TX_SUSPEND_IRQ_ASSERT_ONCE_FMASK GENMASK(2, 2) |
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/* The next two fields are not present for IPA v4.2+ */ |
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#define BCR_SUSPEND_L2_IRQ_FMASK GENMASK(3, 3) |
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#define BCR_HOLB_DROP_L2_IRQ_FMASK GENMASK(4, 4) |
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/* The next five fields are present for IPA v3.5+ */ |
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#define BCR_DUAL_TX_FMASK GENMASK(5, 5) |
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#define BCR_ENABLE_FILTER_DATA_CACHE_FMASK GENMASK(6, 6) |
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#define BCR_NOTIF_PRIORITY_OVER_ZLT_FMASK GENMASK(7, 7) |
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#define BCR_FILTER_PREFETCH_EN_FMASK GENMASK(8, 8) |
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#define BCR_ROUTER_PREFETCH_EN_FMASK GENMASK(9, 9) |
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/* The value of the next register must be a multiple of 8 (bottom 3 bits 0) */ |
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#define IPA_REG_LOCAL_PKT_PROC_CNTXT_OFFSET 0x000001e8 |
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/* Encoded value for LOCAL_PKT_PROC_CNTXT register BASE_ADDR field */ |
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static inline u32 proc_cntxt_base_addr_encoded(enum ipa_version version, |
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u32 addr) |
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{ |
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if (version < IPA_VERSION_4_5) |
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return u32_encode_bits(addr, GENMASK(16, 0)); |
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return u32_encode_bits(addr, GENMASK(17, 0)); |
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} |
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/* ipa->available defines the valid bits in the AGGR_FORCE_CLOSE register */ |
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#define IPA_REG_AGGR_FORCE_CLOSE_OFFSET 0x000001ec |
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/* The next register is not present for IPA v4.5+ */ |
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#define IPA_REG_COUNTER_CFG_OFFSET 0x000001f0 |
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/* The next field is not present for IPA v3.5+ */ |
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#define EOT_COAL_GRANULARITY GENMASK(3, 0) |
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#define AGGR_GRANULARITY_FMASK GENMASK(8, 4) |
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/* The next register is present for IPA v3.5+ */ |
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#define IPA_REG_TX_CFG_OFFSET 0x000001fc |
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/* The next three fields are not present for IPA v4.0+ */ |
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#define TX0_PREFETCH_DISABLE_FMASK GENMASK(0, 0) |
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#define TX1_PREFETCH_DISABLE_FMASK GENMASK(1, 1) |
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#define PREFETCH_ALMOST_EMPTY_SIZE_FMASK GENMASK(4, 2) |
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/* The next six fields are present for IPA v4.0+ */ |
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#define PREFETCH_ALMOST_EMPTY_SIZE_TX0_FMASK GENMASK(5, 2) |
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#define DMAW_SCND_OUTSD_PRED_THRESHOLD_FMASK GENMASK(9, 6) |
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#define DMAW_SCND_OUTSD_PRED_EN_FMASK GENMASK(10, 10) |
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#define DMAW_MAX_BEATS_256_DIS_FMASK GENMASK(11, 11) |
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#define PA_MASK_EN_FMASK GENMASK(12, 12) |
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#define PREFETCH_ALMOST_EMPTY_SIZE_TX1_FMASK GENMASK(16, 13) |
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/* The next field is present for IPA v4.5+ */ |
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#define DUAL_TX_ENABLE_FMASK GENMASK(17, 17) |
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/* The next field is present for IPA v4.2+, but not IPA v4.5 */ |
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#define SSPND_PA_NO_START_STATE_FMASK GENMASK(18, 18) |
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/* The next field is present for IPA v4.2 only */ |
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#define SSPND_PA_NO_BQ_STATE_FMASK GENMASK(19, 19) |
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/* The next register is present for IPA v3.5+ */ |
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#define IPA_REG_FLAVOR_0_OFFSET 0x00000210 |
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#define IPA_MAX_PIPES_FMASK GENMASK(3, 0) |
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#define IPA_MAX_CONS_PIPES_FMASK GENMASK(12, 8) |
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#define IPA_MAX_PROD_PIPES_FMASK GENMASK(20, 16) |
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#define IPA_PROD_LOWEST_FMASK GENMASK(27, 24) |
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/* The next register is present for IPA v3.5+ */ |
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static inline u32 ipa_reg_idle_indication_cfg_offset(enum ipa_version version) |
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{ |
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if (version >= IPA_VERSION_4_2) |
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return 0x00000240; |
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return 0x00000220; |
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} |
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#define ENTER_IDLE_DEBOUNCE_THRESH_FMASK GENMASK(15, 0) |
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#define CONST_NON_IDLE_ENABLE_FMASK GENMASK(16, 16) |
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/* The next register is present for IPA v4.5+ */ |
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#define IPA_REG_QTIME_TIMESTAMP_CFG_OFFSET 0x0000024c |
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#define DPL_TIMESTAMP_LSB_FMASK GENMASK(4, 0) |
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#define DPL_TIMESTAMP_SEL_FMASK GENMASK(7, 7) |
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#define TAG_TIMESTAMP_LSB_FMASK GENMASK(12, 8) |
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#define NAT_TIMESTAMP_LSB_FMASK GENMASK(20, 16) |
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/* The next register is present for IPA v4.5+ */ |
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#define IPA_REG_TIMERS_XO_CLK_DIV_CFG_OFFSET 0x00000250 |
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#define DIV_VALUE_FMASK GENMASK(8, 0) |
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#define DIV_ENABLE_FMASK GENMASK(31, 31) |
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/* The next register is present for IPA v4.5+ */ |
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#define IPA_REG_TIMERS_PULSE_GRAN_CFG_OFFSET 0x00000254 |
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#define GRAN_0_FMASK GENMASK(2, 0) |
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#define GRAN_1_FMASK GENMASK(5, 3) |
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#define GRAN_2_FMASK GENMASK(8, 6) |
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/* Values for GRAN_x fields of TIMERS_PULSE_GRAN_CFG */ |
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enum ipa_pulse_gran { |
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IPA_GRAN_10_US = 0x0, |
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IPA_GRAN_20_US = 0x1, |
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IPA_GRAN_50_US = 0x2, |
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IPA_GRAN_100_US = 0x3, |
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IPA_GRAN_1_MS = 0x4, |
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IPA_GRAN_10_MS = 0x5, |
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IPA_GRAN_100_MS = 0x6, |
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IPA_GRAN_655350_US = 0x7, |
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}; |
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/* Not all of the following are present (depends on IPA version) */ |
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#define IPA_REG_SRC_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(rt) \ |
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(0x00000400 + 0x0020 * (rt)) |
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#define IPA_REG_SRC_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(rt) \ |
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(0x00000404 + 0x0020 * (rt)) |
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#define IPA_REG_SRC_RSRC_GRP_45_RSRC_TYPE_N_OFFSET(rt) \ |
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(0x00000408 + 0x0020 * (rt)) |
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#define IPA_REG_SRC_RSRC_GRP_67_RSRC_TYPE_N_OFFSET(rt) \ |
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(0x0000040c + 0x0020 * (rt)) |
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#define IPA_REG_DST_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(rt) \ |
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(0x00000500 + 0x0020 * (rt)) |
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#define IPA_REG_DST_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(rt) \ |
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(0x00000504 + 0x0020 * (rt)) |
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#define IPA_REG_DST_RSRC_GRP_45_RSRC_TYPE_N_OFFSET(rt) \ |
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(0x00000508 + 0x0020 * (rt)) |
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#define IPA_REG_DST_RSRC_GRP_67_RSRC_TYPE_N_OFFSET(rt) \ |
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(0x0000050c + 0x0020 * (rt)) |
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/* The next four fields are used for all resource group registers */ |
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#define X_MIN_LIM_FMASK GENMASK(5, 0) |
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#define X_MAX_LIM_FMASK GENMASK(13, 8) |
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/* The next two fields are not always present (if resource count is odd) */ |
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#define Y_MIN_LIM_FMASK GENMASK(21, 16) |
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#define Y_MAX_LIM_FMASK GENMASK(29, 24) |
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#define IPA_REG_ENDP_INIT_CTRL_N_OFFSET(ep) \ |
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(0x00000800 + 0x0070 * (ep)) |
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/* Valid only for RX (IPA producer) endpoints (do not use for IPA v4.0+) */ |
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#define ENDP_SUSPEND_FMASK GENMASK(0, 0) |
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/* Valid only for TX (IPA consumer) endpoints */ |
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#define ENDP_DELAY_FMASK GENMASK(1, 1) |
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#define IPA_REG_ENDP_INIT_CFG_N_OFFSET(ep) \ |
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(0x00000808 + 0x0070 * (ep)) |
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#define FRAG_OFFLOAD_EN_FMASK GENMASK(0, 0) |
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#define CS_OFFLOAD_EN_FMASK GENMASK(2, 1) |
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#define CS_METADATA_HDR_OFFSET_FMASK GENMASK(6, 3) |
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#define CS_GEN_QMB_MASTER_SEL_FMASK GENMASK(8, 8) |
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/** enum ipa_cs_offload_en - ENDP_INIT_CFG register CS_OFFLOAD_EN field value */ |
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enum ipa_cs_offload_en { |
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IPA_CS_OFFLOAD_NONE = 0x0, |
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IPA_CS_OFFLOAD_UL = 0x1, /* Before IPA v4.5 (TX) */ |
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IPA_CS_OFFLOAD_DL = 0x2, /* Before IPA v4.5 (RX) */ |
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IPA_CS_OFFLOAD_INLINE = 0x1, /* IPA v4.5 (TX and RX) */ |
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}; |
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/* Valid only for TX (IPA consumer) endpoints */ |
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#define IPA_REG_ENDP_INIT_NAT_N_OFFSET(ep) \ |
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(0x0000080c + 0x0070 * (ep)) |
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#define NAT_EN_FMASK GENMASK(1, 0) |
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/** enum ipa_nat_en - ENDP_INIT_NAT register NAT_EN field value */ |
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enum ipa_nat_en { |
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IPA_NAT_BYPASS = 0x0, |
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IPA_NAT_SRC = 0x1, |
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IPA_NAT_DST = 0x2, |
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}; |
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#define IPA_REG_ENDP_INIT_HDR_N_OFFSET(ep) \ |
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(0x00000810 + 0x0070 * (ep)) |
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#define HDR_LEN_FMASK GENMASK(5, 0) |
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#define HDR_OFST_METADATA_VALID_FMASK GENMASK(6, 6) |
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#define HDR_OFST_METADATA_FMASK GENMASK(12, 7) |
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#define HDR_ADDITIONAL_CONST_LEN_FMASK GENMASK(18, 13) |
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#define HDR_OFST_PKT_SIZE_VALID_FMASK GENMASK(19, 19) |
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#define HDR_OFST_PKT_SIZE_FMASK GENMASK(25, 20) |
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/* The next field is not present for IPA v4.9+ */ |
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#define HDR_A5_MUX_FMASK GENMASK(26, 26) |
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#define HDR_LEN_INC_DEAGG_HDR_FMASK GENMASK(27, 27) |
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/* The next field is not present for IPA v4.5+ */ |
|
#define HDR_METADATA_REG_VALID_FMASK GENMASK(28, 28) |
|
/* The next two fields are present for IPA v4.5+ */ |
|
#define HDR_LEN_MSB_FMASK GENMASK(29, 28) |
|
#define HDR_OFST_METADATA_MSB_FMASK GENMASK(31, 30) |
|
|
|
/* Encoded value for ENDP_INIT_HDR register HDR_LEN* field(s) */ |
|
static inline u32 ipa_header_size_encoded(enum ipa_version version, |
|
u32 header_size) |
|
{ |
|
u32 size = header_size & field_mask(HDR_LEN_FMASK); |
|
u32 val; |
|
|
|
val = u32_encode_bits(size, HDR_LEN_FMASK); |
|
if (version < IPA_VERSION_4_5) { |
|
WARN_ON(header_size != size); |
|
return val; |
|
} |
|
|
|
/* IPA v4.5 adds a few more most-significant bits */ |
|
size = header_size >> hweight32(HDR_LEN_FMASK); |
|
val |= u32_encode_bits(size, HDR_LEN_MSB_FMASK); |
|
|
|
return val; |
|
} |
|
|
|
/* Encoded value for ENDP_INIT_HDR register OFST_METADATA* field(s) */ |
|
static inline u32 ipa_metadata_offset_encoded(enum ipa_version version, |
|
u32 offset) |
|
{ |
|
u32 off = offset & field_mask(HDR_OFST_METADATA_FMASK); |
|
u32 val; |
|
|
|
val = u32_encode_bits(off, HDR_OFST_METADATA_FMASK); |
|
if (version < IPA_VERSION_4_5) { |
|
WARN_ON(offset != off); |
|
return val; |
|
} |
|
|
|
/* IPA v4.5 adds a few more most-significant bits */ |
|
off = offset >> hweight32(HDR_OFST_METADATA_FMASK); |
|
val |= u32_encode_bits(off, HDR_OFST_METADATA_MSB_FMASK); |
|
|
|
return val; |
|
} |
|
|
|
#define IPA_REG_ENDP_INIT_HDR_EXT_N_OFFSET(ep) \ |
|
(0x00000814 + 0x0070 * (ep)) |
|
#define HDR_ENDIANNESS_FMASK GENMASK(0, 0) |
|
#define HDR_TOTAL_LEN_OR_PAD_VALID_FMASK GENMASK(1, 1) |
|
#define HDR_TOTAL_LEN_OR_PAD_FMASK GENMASK(2, 2) |
|
#define HDR_PAYLOAD_LEN_INC_PADDING_FMASK GENMASK(3, 3) |
|
#define HDR_TOTAL_LEN_OR_PAD_OFFSET_FMASK GENMASK(9, 4) |
|
#define HDR_PAD_TO_ALIGNMENT_FMASK GENMASK(13, 10) |
|
/* The next three fields are present for IPA v4.5+ */ |
|
#define HDR_TOTAL_LEN_OR_PAD_OFFSET_MSB_FMASK GENMASK(17, 16) |
|
#define HDR_OFST_PKT_SIZE_MSB_FMASK GENMASK(19, 18) |
|
#define HDR_ADDITIONAL_CONST_LEN_MSB_FMASK GENMASK(21, 20) |
|
|
|
/* Valid only for RX (IPA producer) endpoints */ |
|
#define IPA_REG_ENDP_INIT_HDR_METADATA_MASK_N_OFFSET(rxep) \ |
|
(0x00000818 + 0x0070 * (rxep)) |
|
|
|
/* Valid only for TX (IPA consumer) endpoints */ |
|
#define IPA_REG_ENDP_INIT_MODE_N_OFFSET(txep) \ |
|
(0x00000820 + 0x0070 * (txep)) |
|
#define MODE_FMASK GENMASK(2, 0) |
|
/* The next field is present for IPA v4.5+ */ |
|
#define DCPH_ENABLE_FMASK GENMASK(3, 3) |
|
#define DEST_PIPE_INDEX_FMASK GENMASK(8, 4) |
|
#define BYTE_THRESHOLD_FMASK GENMASK(27, 12) |
|
#define PIPE_REPLICATION_EN_FMASK GENMASK(28, 28) |
|
#define PAD_EN_FMASK GENMASK(29, 29) |
|
/* The next field is not present for IPA v4.5+ */ |
|
#define HDR_FTCH_DISABLE_FMASK GENMASK(30, 30) |
|
/* The next field is present for IPA v4.9+ */ |
|
#define DRBIP_ACL_ENABLE GENMASK(30, 30) |
|
|
|
/** enum ipa_mode - ENDP_INIT_MODE register MODE field value */ |
|
enum ipa_mode { |
|
IPA_BASIC = 0x0, |
|
IPA_ENABLE_FRAMING_HDLC = 0x1, |
|
IPA_ENABLE_DEFRAMING_HDLC = 0x2, |
|
IPA_DMA = 0x3, |
|
}; |
|
|
|
#define IPA_REG_ENDP_INIT_AGGR_N_OFFSET(ep) \ |
|
(0x00000824 + 0x0070 * (ep)) |
|
#define AGGR_EN_FMASK GENMASK(1, 0) |
|
#define AGGR_TYPE_FMASK GENMASK(4, 2) |
|
|
|
/* The legacy value is used for IPA hardware before IPA v4.5 */ |
|
static inline u32 aggr_byte_limit_fmask(bool legacy) |
|
{ |
|
return legacy ? GENMASK(9, 5) : GENMASK(10, 5); |
|
} |
|
|
|
/* The legacy value is used for IPA hardware before IPA v4.5 */ |
|
static inline u32 aggr_time_limit_fmask(bool legacy) |
|
{ |
|
return legacy ? GENMASK(14, 10) : GENMASK(16, 12); |
|
} |
|
|
|
/* The legacy value is used for IPA hardware before IPA v4.5 */ |
|
static inline u32 aggr_pkt_limit_fmask(bool legacy) |
|
{ |
|
return legacy ? GENMASK(20, 15) : GENMASK(22, 17); |
|
} |
|
|
|
/* The legacy value is used for IPA hardware before IPA v4.5 */ |
|
static inline u32 aggr_sw_eof_active_fmask(bool legacy) |
|
{ |
|
return legacy ? GENMASK(21, 21) : GENMASK(23, 23); |
|
} |
|
|
|
/* The legacy value is used for IPA hardware before IPA v4.5 */ |
|
static inline u32 aggr_force_close_fmask(bool legacy) |
|
{ |
|
return legacy ? GENMASK(22, 22) : GENMASK(24, 24); |
|
} |
|
|
|
/* The legacy value is used for IPA hardware before IPA v4.5 */ |
|
static inline u32 aggr_hard_byte_limit_enable_fmask(bool legacy) |
|
{ |
|
return legacy ? GENMASK(24, 24) : GENMASK(26, 26); |
|
} |
|
|
|
/* The next field is present for IPA v4.5+ */ |
|
#define AGGR_GRAN_SEL_FMASK GENMASK(27, 27) |
|
|
|
/** enum ipa_aggr_en - ENDP_INIT_AGGR register AGGR_EN field value */ |
|
enum ipa_aggr_en { |
|
IPA_BYPASS_AGGR = 0x0, /* (TX, RX) */ |
|
IPA_ENABLE_AGGR = 0x1, /* (RX) */ |
|
IPA_ENABLE_DEAGGR = 0x2, /* (TX) */ |
|
}; |
|
|
|
/** enum ipa_aggr_type - ENDP_INIT_AGGR register AGGR_TYPE field value */ |
|
enum ipa_aggr_type { |
|
IPA_MBIM_16 = 0x0, |
|
IPA_HDLC = 0x1, |
|
IPA_TLP = 0x2, |
|
IPA_RNDIS = 0x3, |
|
IPA_GENERIC = 0x4, |
|
IPA_COALESCE = 0x5, |
|
IPA_QCMAP = 0x6, |
|
}; |
|
|
|
/* Valid only for RX (IPA producer) endpoints */ |
|
#define IPA_REG_ENDP_INIT_HOL_BLOCK_EN_N_OFFSET(rxep) \ |
|
(0x0000082c + 0x0070 * (rxep)) |
|
#define HOL_BLOCK_EN_FMASK GENMASK(0, 0) |
|
|
|
/* Valid only for RX (IPA producer) endpoints */ |
|
#define IPA_REG_ENDP_INIT_HOL_BLOCK_TIMER_N_OFFSET(rxep) \ |
|
(0x00000830 + 0x0070 * (rxep)) |
|
/* The next two fields are present for IPA v4.2 only */ |
|
#define BASE_VALUE_FMASK GENMASK(4, 0) |
|
#define SCALE_FMASK GENMASK(12, 8) |
|
/* The next two fields are present for IPA v4.5 */ |
|
#define TIME_LIMIT_FMASK GENMASK(4, 0) |
|
#define GRAN_SEL_FMASK GENMASK(8, 8) |
|
|
|
/* Valid only for TX (IPA consumer) endpoints */ |
|
#define IPA_REG_ENDP_INIT_DEAGGR_N_OFFSET(txep) \ |
|
(0x00000834 + 0x0070 * (txep)) |
|
#define DEAGGR_HDR_LEN_FMASK GENMASK(5, 0) |
|
#define SYSPIPE_ERR_DETECTION_FMASK GENMASK(6, 6) |
|
#define PACKET_OFFSET_VALID_FMASK GENMASK(7, 7) |
|
#define PACKET_OFFSET_LOCATION_FMASK GENMASK(13, 8) |
|
#define IGNORE_MIN_PKT_ERR_FMASK GENMASK(14, 14) |
|
#define MAX_PACKET_LEN_FMASK GENMASK(31, 16) |
|
|
|
#define IPA_REG_ENDP_INIT_RSRC_GRP_N_OFFSET(ep) \ |
|
(0x00000838 + 0x0070 * (ep)) |
|
/* Encoded value for ENDP_INIT_RSRC_GRP register RSRC_GRP field */ |
|
static inline u32 rsrc_grp_encoded(enum ipa_version version, u32 rsrc_grp) |
|
{ |
|
if (version < IPA_VERSION_3_5 || version == IPA_VERSION_4_5) |
|
return u32_encode_bits(rsrc_grp, GENMASK(2, 0)); |
|
|
|
if (version == IPA_VERSION_4_2 || version == IPA_VERSION_4_7) |
|
return u32_encode_bits(rsrc_grp, GENMASK(0, 0)); |
|
|
|
return u32_encode_bits(rsrc_grp, GENMASK(1, 0)); |
|
} |
|
|
|
/* Valid only for TX (IPA consumer) endpoints */ |
|
#define IPA_REG_ENDP_INIT_SEQ_N_OFFSET(txep) \ |
|
(0x0000083c + 0x0070 * (txep)) |
|
#define SEQ_TYPE_FMASK GENMASK(7, 0) |
|
#define SEQ_REP_TYPE_FMASK GENMASK(15, 8) |
|
|
|
/** |
|
* enum ipa_seq_type - HPS and DPS sequencer type |
|
* @IPA_SEQ_DMA: Perform DMA only |
|
* @IPA_SEQ_1_PASS: One pass through the pipeline |
|
* @IPA_SEQ_2_PASS_SKIP_LAST_UC: Two passes, skip the microcprocessor |
|
* @IPA_SEQ_1_PASS_SKIP_LAST_UC: One pass, skip the microcprocessor |
|
* @IPA_SEQ_2_PASS: Two passes through the pipeline |
|
* @IPA_SEQ_3_PASS_SKIP_LAST_UC: Three passes, skip the microcprocessor |
|
* @IPA_SEQ_DECIPHER: Optional deciphering step (combined) |
|
* |
|
* The low-order byte of the sequencer type register defines the number of |
|
* passes a packet takes through the IPA pipeline. The last pass through can |
|
* optionally skip the microprocessor. Deciphering is optional for all types; |
|
* if enabled, an additional mask (two bits) is added to the type value. |
|
* |
|
* Note: not all combinations of ipa_seq_type and ipa_seq_rep_type are |
|
* supported (or meaningful). |
|
*/ |
|
enum ipa_seq_type { |
|
IPA_SEQ_DMA = 0x00, |
|
IPA_SEQ_1_PASS = 0x02, |
|
IPA_SEQ_2_PASS_SKIP_LAST_UC = 0x04, |
|
IPA_SEQ_1_PASS_SKIP_LAST_UC = 0x06, |
|
IPA_SEQ_2_PASS = 0x0a, |
|
IPA_SEQ_3_PASS_SKIP_LAST_UC = 0x0c, |
|
/* The next value can be ORed with the above */ |
|
IPA_SEQ_DECIPHER = 0x11, |
|
}; |
|
|
|
/** |
|
* enum ipa_seq_rep_type - replicated packet sequencer type |
|
* @IPA_SEQ_REP_DMA_PARSER: DMA parser for replicated packets |
|
* |
|
* This goes in the second byte of the endpoint sequencer type register. |
|
* |
|
* Note: not all combinations of ipa_seq_type and ipa_seq_rep_type are |
|
* supported (or meaningful). |
|
*/ |
|
enum ipa_seq_rep_type { |
|
IPA_SEQ_REP_DMA_PARSER = 0x08, |
|
}; |
|
|
|
#define IPA_REG_ENDP_STATUS_N_OFFSET(ep) \ |
|
(0x00000840 + 0x0070 * (ep)) |
|
#define STATUS_EN_FMASK GENMASK(0, 0) |
|
#define STATUS_ENDP_FMASK GENMASK(5, 1) |
|
/* The next field is not present for IPA v4.5+ */ |
|
#define STATUS_LOCATION_FMASK GENMASK(8, 8) |
|
/* The next field is present for IPA v4.0+ */ |
|
#define STATUS_PKT_SUPPRESS_FMASK GENMASK(9, 9) |
|
|
|
/* The next register is not present for IPA v4.2 (which no hashing support) */ |
|
#define IPA_REG_ENDP_FILTER_ROUTER_HSH_CFG_N_OFFSET(er) \ |
|
(0x0000085c + 0x0070 * (er)) |
|
#define FILTER_HASH_MSK_SRC_ID_FMASK GENMASK(0, 0) |
|
#define FILTER_HASH_MSK_SRC_IP_FMASK GENMASK(1, 1) |
|
#define FILTER_HASH_MSK_DST_IP_FMASK GENMASK(2, 2) |
|
#define FILTER_HASH_MSK_SRC_PORT_FMASK GENMASK(3, 3) |
|
#define FILTER_HASH_MSK_DST_PORT_FMASK GENMASK(4, 4) |
|
#define FILTER_HASH_MSK_PROTOCOL_FMASK GENMASK(5, 5) |
|
#define FILTER_HASH_MSK_METADATA_FMASK GENMASK(6, 6) |
|
#define IPA_REG_ENDP_FILTER_HASH_MSK_ALL GENMASK(6, 0) |
|
|
|
#define ROUTER_HASH_MSK_SRC_ID_FMASK GENMASK(16, 16) |
|
#define ROUTER_HASH_MSK_SRC_IP_FMASK GENMASK(17, 17) |
|
#define ROUTER_HASH_MSK_DST_IP_FMASK GENMASK(18, 18) |
|
#define ROUTER_HASH_MSK_SRC_PORT_FMASK GENMASK(19, 19) |
|
#define ROUTER_HASH_MSK_DST_PORT_FMASK GENMASK(20, 20) |
|
#define ROUTER_HASH_MSK_PROTOCOL_FMASK GENMASK(21, 21) |
|
#define ROUTER_HASH_MSK_METADATA_FMASK GENMASK(22, 22) |
|
#define IPA_REG_ENDP_ROUTER_HASH_MSK_ALL GENMASK(22, 16) |
|
|
|
static inline u32 ipa_reg_irq_stts_ee_n_offset(enum ipa_version version, |
|
u32 ee) |
|
{ |
|
if (version < IPA_VERSION_4_9) |
|
return 0x00003008 + 0x1000 * ee; |
|
|
|
return 0x00004008 + 0x1000 * ee; |
|
} |
|
|
|
static inline u32 ipa_reg_irq_stts_offset(enum ipa_version version) |
|
{ |
|
return ipa_reg_irq_stts_ee_n_offset(version, GSI_EE_AP); |
|
} |
|
|
|
static inline u32 ipa_reg_irq_en_ee_n_offset(enum ipa_version version, u32 ee) |
|
{ |
|
if (version < IPA_VERSION_4_9) |
|
return 0x0000300c + 0x1000 * ee; |
|
|
|
return 0x0000400c + 0x1000 * ee; |
|
} |
|
|
|
static inline u32 ipa_reg_irq_en_offset(enum ipa_version version) |
|
{ |
|
return ipa_reg_irq_en_ee_n_offset(version, GSI_EE_AP); |
|
} |
|
|
|
static inline u32 ipa_reg_irq_clr_ee_n_offset(enum ipa_version version, u32 ee) |
|
{ |
|
if (version < IPA_VERSION_4_9) |
|
return 0x00003010 + 0x1000 * ee; |
|
|
|
return 0x00004010 + 0x1000 * ee; |
|
} |
|
|
|
static inline u32 ipa_reg_irq_clr_offset(enum ipa_version version) |
|
{ |
|
return ipa_reg_irq_clr_ee_n_offset(version, GSI_EE_AP); |
|
} |
|
|
|
/** |
|
* enum ipa_irq_id - Bit positions representing type of IPA IRQ |
|
* @IPA_IRQ_UC_0: Microcontroller event interrupt |
|
* @IPA_IRQ_UC_1: Microcontroller response interrupt |
|
* @IPA_IRQ_TX_SUSPEND: Data ready interrupt |
|
* @IPA_IRQ_COUNT: Number of IRQ ids (must be last) |
|
* |
|
* IRQ types not described above are not currently used. |
|
* |
|
* @IPA_IRQ_BAD_SNOC_ACCESS: (Not currently used) |
|
* @IPA_IRQ_EOT_COAL: (Not currently used) |
|
* @IPA_IRQ_UC_2: (Not currently used) |
|
* @IPA_IRQ_UC_3: (Not currently used) |
|
* @IPA_IRQ_UC_IN_Q_NOT_EMPTY: (Not currently used) |
|
* @IPA_IRQ_UC_RX_CMD_Q_NOT_FULL: (Not currently used) |
|
* @IPA_IRQ_PROC_UC_ACK_Q_NOT_EMPTY: (Not currently used) |
|
* @IPA_IRQ_RX_ERR: (Not currently used) |
|
* @IPA_IRQ_DEAGGR_ERR: (Not currently used) |
|
* @IPA_IRQ_TX_ERR: (Not currently used) |
|
* @IPA_IRQ_STEP_MODE: (Not currently used) |
|
* @IPA_IRQ_PROC_ERR: (Not currently used) |
|
* @IPA_IRQ_TX_HOLB_DROP: (Not currently used) |
|
* @IPA_IRQ_BAM_GSI_IDLE: (Not currently used) |
|
* @IPA_IRQ_PIPE_YELLOW_BELOW: (Not currently used) |
|
* @IPA_IRQ_PIPE_RED_BELOW: (Not currently used) |
|
* @IPA_IRQ_PIPE_YELLOW_ABOVE: (Not currently used) |
|
* @IPA_IRQ_PIPE_RED_ABOVE: (Not currently used) |
|
* @IPA_IRQ_UCP: (Not currently used) |
|
* @IPA_IRQ_DCMP: (Not currently used) |
|
* @IPA_IRQ_GSI_EE: (Not currently used) |
|
* @IPA_IRQ_GSI_IPA_IF_TLV_RCVD: (Not currently used) |
|
* @IPA_IRQ_GSI_UC: (Not currently used) |
|
* @IPA_IRQ_TLV_LEN_MIN_DSM: (Not currently used) |
|
* @IPA_IRQ_DRBIP_PKT_EXCEED_MAX_SIZE_EN: (Not currently used) |
|
* @IPA_IRQ_DRBIP_DATA_SCTR_CFG_ERROR_EN: (Not currently used) |
|
* @IPA_IRQ_DRBIP_IMM_CMD_NO_FLSH_HZRD_EN: (Not currently used) |
|
*/ |
|
enum ipa_irq_id { |
|
IPA_IRQ_BAD_SNOC_ACCESS = 0x0, |
|
/* The next bit is not present for IPA v3.5+ */ |
|
IPA_IRQ_EOT_COAL = 0x1, |
|
IPA_IRQ_UC_0 = 0x2, |
|
IPA_IRQ_UC_1 = 0x3, |
|
IPA_IRQ_UC_2 = 0x4, |
|
IPA_IRQ_UC_3 = 0x5, |
|
IPA_IRQ_UC_IN_Q_NOT_EMPTY = 0x6, |
|
IPA_IRQ_UC_RX_CMD_Q_NOT_FULL = 0x7, |
|
IPA_IRQ_PROC_UC_ACK_Q_NOT_EMPTY = 0x8, |
|
IPA_IRQ_RX_ERR = 0x9, |
|
IPA_IRQ_DEAGGR_ERR = 0xa, |
|
IPA_IRQ_TX_ERR = 0xb, |
|
IPA_IRQ_STEP_MODE = 0xc, |
|
IPA_IRQ_PROC_ERR = 0xd, |
|
IPA_IRQ_TX_SUSPEND = 0xe, |
|
IPA_IRQ_TX_HOLB_DROP = 0xf, |
|
IPA_IRQ_BAM_GSI_IDLE = 0x10, |
|
IPA_IRQ_PIPE_YELLOW_BELOW = 0x11, |
|
IPA_IRQ_PIPE_RED_BELOW = 0x12, |
|
IPA_IRQ_PIPE_YELLOW_ABOVE = 0x13, |
|
IPA_IRQ_PIPE_RED_ABOVE = 0x14, |
|
IPA_IRQ_UCP = 0x15, |
|
/* The next bit is not present for IPA v4.5+ */ |
|
IPA_IRQ_DCMP = 0x16, |
|
IPA_IRQ_GSI_EE = 0x17, |
|
IPA_IRQ_GSI_IPA_IF_TLV_RCVD = 0x18, |
|
IPA_IRQ_GSI_UC = 0x19, |
|
/* The next bit is present for IPA v4.5+ */ |
|
IPA_IRQ_TLV_LEN_MIN_DSM = 0x1a, |
|
/* The next three bits are present for IPA v4.9+ */ |
|
IPA_IRQ_DRBIP_PKT_EXCEED_MAX_SIZE_EN = 0x1b, |
|
IPA_IRQ_DRBIP_DATA_SCTR_CFG_ERROR_EN = 0x1c, |
|
IPA_IRQ_DRBIP_IMM_CMD_NO_FLSH_HZRD_EN = 0x1d, |
|
IPA_IRQ_COUNT, /* Last; not an id */ |
|
}; |
|
|
|
static inline u32 ipa_reg_irq_uc_ee_n_offset(enum ipa_version version, u32 ee) |
|
{ |
|
if (version < IPA_VERSION_4_9) |
|
return 0x0000301c + 0x1000 * ee; |
|
|
|
return 0x0000401c + 0x1000 * ee; |
|
} |
|
|
|
static inline u32 ipa_reg_irq_uc_offset(enum ipa_version version) |
|
{ |
|
return ipa_reg_irq_uc_ee_n_offset(version, GSI_EE_AP); |
|
} |
|
|
|
#define UC_INTR_FMASK GENMASK(0, 0) |
|
|
|
/* ipa->available defines the valid bits in the SUSPEND_INFO register */ |
|
static inline u32 |
|
ipa_reg_irq_suspend_info_ee_n_offset(enum ipa_version version, u32 ee) |
|
{ |
|
if (version == IPA_VERSION_3_0) |
|
return 0x00003098 + 0x1000 * ee; |
|
|
|
if (version < IPA_VERSION_4_9) |
|
return 0x00003030 + 0x1000 * ee; |
|
|
|
return 0x00004030 + 0x1000 * ee; |
|
} |
|
|
|
static inline u32 |
|
ipa_reg_irq_suspend_info_offset(enum ipa_version version) |
|
{ |
|
return ipa_reg_irq_suspend_info_ee_n_offset(version, GSI_EE_AP); |
|
} |
|
|
|
/* ipa->available defines the valid bits in the SUSPEND_EN register */ |
|
static inline u32 |
|
ipa_reg_irq_suspend_en_ee_n_offset(enum ipa_version version, u32 ee) |
|
{ |
|
WARN_ON(version == IPA_VERSION_3_0); |
|
|
|
if (version < IPA_VERSION_4_9) |
|
return 0x00003034 + 0x1000 * ee; |
|
|
|
return 0x00004034 + 0x1000 * ee; |
|
} |
|
|
|
static inline u32 |
|
ipa_reg_irq_suspend_en_offset(enum ipa_version version) |
|
{ |
|
return ipa_reg_irq_suspend_en_ee_n_offset(version, GSI_EE_AP); |
|
} |
|
|
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/* ipa->available defines the valid bits in the SUSPEND_CLR register */ |
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static inline u32 |
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ipa_reg_irq_suspend_clr_ee_n_offset(enum ipa_version version, u32 ee) |
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{ |
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WARN_ON(version == IPA_VERSION_3_0); |
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if (version < IPA_VERSION_4_9) |
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return 0x00003038 + 0x1000 * ee; |
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return 0x00004038 + 0x1000 * ee; |
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} |
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static inline u32 |
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ipa_reg_irq_suspend_clr_offset(enum ipa_version version) |
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{ |
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return ipa_reg_irq_suspend_clr_ee_n_offset(version, GSI_EE_AP); |
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} |
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int ipa_reg_init(struct ipa *ipa); |
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void ipa_reg_exit(struct ipa *ipa); |
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#endif /* _IPA_REG_H_ */
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