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I've added commented assertions to record certain properties that can be assumed to hold in certain places in the IPA code. Convert these into real WARN_ON() calls so the assertions are actually checked, using the standard WARN_ON() mechanism. Where errors can be returned, return an error if a warning is triggered. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
851 lines
30 KiB
C
851 lines
30 KiB
C
/* 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)
|
|
#define CS_METADATA_HDR_OFFSET_FMASK GENMASK(6, 3)
|
|
#define CS_GEN_QMB_MASTER_SEL_FMASK GENMASK(8, 8)
|
|
|
|
/** enum ipa_cs_offload_en - ENDP_INIT_CFG register CS_OFFLOAD_EN field value */
|
|
enum ipa_cs_offload_en {
|
|
IPA_CS_OFFLOAD_NONE = 0x0,
|
|
IPA_CS_OFFLOAD_UL = 0x1, /* Before IPA v4.5 (TX) */
|
|
IPA_CS_OFFLOAD_DL = 0x2, /* Before IPA v4.5 (RX) */
|
|
IPA_CS_OFFLOAD_INLINE = 0x1, /* IPA v4.5 (TX and RX) */
|
|
};
|
|
|
|
/* Valid only for TX (IPA consumer) endpoints */
|
|
#define IPA_REG_ENDP_INIT_NAT_N_OFFSET(ep) \
|
|
(0x0000080c + 0x0070 * (ep))
|
|
#define NAT_EN_FMASK GENMASK(1, 0)
|
|
|
|
/** enum ipa_nat_en - ENDP_INIT_NAT register NAT_EN field value */
|
|
enum ipa_nat_en {
|
|
IPA_NAT_BYPASS = 0x0,
|
|
IPA_NAT_SRC = 0x1,
|
|
IPA_NAT_DST = 0x2,
|
|
};
|
|
|
|
#define IPA_REG_ENDP_INIT_HDR_N_OFFSET(ep) \
|
|
(0x00000810 + 0x0070 * (ep))
|
|
#define HDR_LEN_FMASK GENMASK(5, 0)
|
|
#define HDR_OFST_METADATA_VALID_FMASK GENMASK(6, 6)
|
|
#define HDR_OFST_METADATA_FMASK GENMASK(12, 7)
|
|
#define HDR_ADDITIONAL_CONST_LEN_FMASK GENMASK(18, 13)
|
|
#define HDR_OFST_PKT_SIZE_VALID_FMASK GENMASK(19, 19)
|
|
#define HDR_OFST_PKT_SIZE_FMASK GENMASK(25, 20)
|
|
/* The next field is not present for IPA v4.9+ */
|
|
#define HDR_A5_MUX_FMASK GENMASK(26, 26)
|
|
#define HDR_LEN_INC_DEAGG_HDR_FMASK GENMASK(27, 27)
|
|
/* 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,
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IPA_IRQ_PROC_UC_ACK_Q_NOT_EMPTY = 0x8,
|
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IPA_IRQ_RX_ERR = 0x9,
|
|
IPA_IRQ_DEAGGR_ERR = 0xa,
|
|
IPA_IRQ_TX_ERR = 0xb,
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|
IPA_IRQ_STEP_MODE = 0xc,
|
|
IPA_IRQ_PROC_ERR = 0xd,
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|
IPA_IRQ_TX_SUSPEND = 0xe,
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|
IPA_IRQ_TX_HOLB_DROP = 0xf,
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IPA_IRQ_BAM_GSI_IDLE = 0x10,
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IPA_IRQ_PIPE_YELLOW_BELOW = 0x11,
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|
IPA_IRQ_PIPE_RED_BELOW = 0x12,
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IPA_IRQ_PIPE_YELLOW_ABOVE = 0x13,
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|
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);
|
|
}
|
|
|
|
/* ipa->available defines the valid bits in the SUSPEND_CLR register */
|
|
static inline u32
|
|
ipa_reg_irq_suspend_clr_ee_n_offset(enum ipa_version version, u32 ee)
|
|
{
|
|
WARN_ON(version == IPA_VERSION_3_0);
|
|
|
|
if (version < IPA_VERSION_4_9)
|
|
return 0x00003038 + 0x1000 * ee;
|
|
|
|
return 0x00004038 + 0x1000 * ee;
|
|
}
|
|
|
|
static inline u32
|
|
ipa_reg_irq_suspend_clr_offset(enum ipa_version version)
|
|
{
|
|
return ipa_reg_irq_suspend_clr_ee_n_offset(version, GSI_EE_AP);
|
|
}
|
|
|
|
int ipa_reg_init(struct ipa *ipa);
|
|
void ipa_reg_exit(struct ipa *ipa);
|
|
|
|
#endif /* _IPA_REG_H_ */
|