/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. * Copyright (C) 2018-2020 Linaro Ltd. */ #ifndef _IPA_REG_H_ #define _IPA_REG_H_ #include #include "ipa_version.h" struct ipa; /** * DOC: IPA Registers * * IPA registers are located within the "ipa-reg" address space defined by * Device Tree. The offset of each register within that space is specified * by symbols defined below. The address space is mapped to virtual memory * space in ipa_mem_init(). All IPA registers are 32 bits wide. * * Certain register types are duplicated for a number of instances of * something. For example, each IPA endpoint has an set of registers * defining its configuration. The offset to an endpoint's set of registers * is computed based on an "base" offset, plus an endpoint's ID multiplied * and a "stride" value for the register. For such registers, the offset is * computed by a function-like macro that takes a parameter used in the * computation. * * Some register offsets depend on execution environment. For these an "ee" * parameter is supplied to the offset macro. The "ee" value is a member of * the gsi_ee enumerated type. * * The offset of a register dependent on endpoint id is computed by a macro * that is supplied a parameter "ep". The "ep" value is assumed to be less * than the maximum endpoint value for the current hardware, and that will * not exceed IPA_ENDPOINT_MAX. * * The offset of registers related to filter and route tables is computed * by a macro that is supplied a parameter "er". The "er" represents an * endpoint ID for filters, or a route ID for routes. For filters, the * endpoint ID must be less than IPA_ENDPOINT_MAX, but is further restricted * because not all endpoints support filtering. For routes, the route ID * must be less than IPA_ROUTE_MAX. * * The offset of registers related to resource types is computed by a macro * that is supplied a parameter "rt". The "rt" represents a resource type, * which is is a member of the ipa_resource_type_src enumerated type for * source endpoint resources or the ipa_resource_type_dst enumerated type * for destination endpoint resources. * * Some registers encode multiple fields within them. For these, each field * has a symbol below defining a field mask that encodes both the position * and width of the field within its register. * * In some cases, different versions of IPA hardware use different offset or * field mask values. In such cases an inline_function(ipa) is used rather * than a MACRO to define the offset or field mask to use. * * Finally, some registers hold bitmasks representing endpoints. In such * cases the @available field in the @ipa structure defines the "full" set * of valid bits for the register. */ #define IPA_REG_ENABLED_PIPES_OFFSET 0x00000038 #define IPA_REG_COMP_CFG_OFFSET 0x0000003c #define ENABLE_FMASK GENMASK(0, 0) #define GSI_SNOC_BYPASS_DIS_FMASK GENMASK(1, 1) #define GEN_QMB_0_SNOC_BYPASS_DIS_FMASK GENMASK(2, 2) #define GEN_QMB_1_SNOC_BYPASS_DIS_FMASK GENMASK(3, 3) #define IPA_DCMP_FAST_CLK_EN_FMASK GENMASK(4, 4) #define IPA_QMB_SELECT_CONS_EN_FMASK GENMASK(5, 5) #define IPA_QMB_SELECT_PROD_EN_FMASK GENMASK(6, 6) #define GSI_MULTI_INORDER_RD_DIS_FMASK GENMASK(7, 7) #define GSI_MULTI_INORDER_WR_DIS_FMASK GENMASK(8, 8) #define GEN_QMB_0_MULTI_INORDER_RD_DIS_FMASK GENMASK(9, 9) #define GEN_QMB_1_MULTI_INORDER_RD_DIS_FMASK GENMASK(10, 10) #define GEN_QMB_0_MULTI_INORDER_WR_DIS_FMASK GENMASK(11, 11) #define GEN_QMB_1_MULTI_INORDER_WR_DIS_FMASK GENMASK(12, 12) #define GEN_QMB_0_SNOC_CNOC_LOOP_PROT_DIS_FMASK GENMASK(13, 13) #define GSI_SNOC_CNOC_LOOP_PROT_DISABLE_FMASK GENMASK(14, 14) #define GSI_MULTI_AXI_MASTERS_DIS_FMASK GENMASK(15, 15) #define IPA_QMB_SELECT_GLOBAL_EN_FMASK GENMASK(16, 16) #define IPA_ATOMIC_FETCHER_ARB_LOCK_DIS_FMASK GENMASK(20, 17) #define IPA_REG_CLKON_CFG_OFFSET 0x00000044 #define RX_FMASK GENMASK(0, 0) #define PROC_FMASK GENMASK(1, 1) #define TX_WRAPPER_FMASK GENMASK(2, 2) #define MISC_FMASK GENMASK(3, 3) #define RAM_ARB_FMASK GENMASK(4, 4) #define FTCH_HPS_FMASK GENMASK(5, 5) #define FTCH_DPS_FMASK GENMASK(6, 6) #define HPS_FMASK GENMASK(7, 7) #define DPS_FMASK GENMASK(8, 8) #define RX_HPS_CMDQS_FMASK GENMASK(9, 9) #define HPS_DPS_CMDQS_FMASK GENMASK(10, 10) #define DPS_TX_CMDQS_FMASK GENMASK(11, 11) #define RSRC_MNGR_FMASK GENMASK(12, 12) #define CTX_HANDLER_FMASK GENMASK(13, 13) #define ACK_MNGR_FMASK GENMASK(14, 14) #define D_DCPH_FMASK GENMASK(15, 15) #define H_DCPH_FMASK GENMASK(16, 16) #define DCMP_FMASK GENMASK(17, 17) #define NTF_TX_CMDQS_FMASK GENMASK(18, 18) #define TX_0_FMASK GENMASK(19, 19) #define TX_1_FMASK GENMASK(20, 20) #define FNR_FMASK GENMASK(21, 21) #define QSB2AXI_CMDQ_L_FMASK GENMASK(22, 22) #define AGGR_WRAPPER_FMASK GENMASK(23, 23) #define RAM_SLAVEWAY_FMASK GENMASK(24, 24) #define QMB_FMASK GENMASK(25, 25) #define WEIGHT_ARB_FMASK GENMASK(26, 26) #define GSI_IF_FMASK GENMASK(27, 27) #define GLOBAL_FMASK GENMASK(28, 28) #define GLOBAL_2X_CLK_FMASK GENMASK(29, 29) #define IPA_REG_ROUTE_OFFSET 0x00000048 #define ROUTE_DIS_FMASK GENMASK(0, 0) #define ROUTE_DEF_PIPE_FMASK GENMASK(5, 1) #define ROUTE_DEF_HDR_TABLE_FMASK GENMASK(6, 6) #define ROUTE_DEF_HDR_OFST_FMASK GENMASK(16, 7) #define ROUTE_FRAG_DEF_PIPE_FMASK GENMASK(21, 17) #define ROUTE_DEF_RETAIN_HDR_FMASK GENMASK(24, 24) #define IPA_REG_SHARED_MEM_SIZE_OFFSET 0x00000054 #define SHARED_MEM_SIZE_FMASK GENMASK(15, 0) #define SHARED_MEM_BADDR_FMASK GENMASK(31, 16) #define IPA_REG_QSB_MAX_WRITES_OFFSET 0x00000074 #define GEN_QMB_0_MAX_WRITES_FMASK GENMASK(3, 0) #define GEN_QMB_1_MAX_WRITES_FMASK GENMASK(7, 4) #define IPA_REG_QSB_MAX_READS_OFFSET 0x00000078 #define GEN_QMB_0_MAX_READS_FMASK GENMASK(3, 0) #define GEN_QMB_1_MAX_READS_FMASK GENMASK(7, 4) /* The next two fields are present for IPA v4.0 and above */ #define GEN_QMB_0_MAX_READS_BEATS_FMASK GENMASK(23, 16) #define GEN_QMB_1_MAX_READS_BEATS_FMASK GENMASK(31, 24) static inline u32 ipa_reg_state_aggr_active_offset(enum ipa_version version) { if (version == IPA_VERSION_3_5_1) return 0x0000010c; return 0x000000b4; } /* ipa->available defines the valid bits in the STATE_AGGR_ACTIVE register */ /* The next register is present for IPA v4.2 and above */ #define IPA_REG_FILT_ROUT_HASH_EN_OFFSET 0x00000148 #define IPV6_ROUTER_HASH_EN GENMASK(0, 0) #define IPV6_FILTER_HASH_EN GENMASK(4, 4) #define IPV4_ROUTER_HASH_EN GENMASK(8, 8) #define IPV4_FILTER_HASH_EN GENMASK(12, 12) static inline u32 ipa_reg_filt_rout_hash_flush_offset(enum ipa_version version) { if (version == IPA_VERSION_3_5_1) return 0x0000090; return 0x000014c; } #define IPV6_ROUTER_HASH_FLUSH GENMASK(0, 0) #define IPV6_FILTER_HASH_FLUSH GENMASK(4, 4) #define IPV4_ROUTER_HASH_FLUSH GENMASK(8, 8) #define IPV4_FILTER_HASH_FLUSH GENMASK(12, 12) #define IPA_REG_BCR_OFFSET 0x000001d0 #define BCR_CMDQ_L_LACK_ONE_ENTRY BIT(0) #define BCR_TX_NOT_USING_BRESP BIT(1) #define BCR_SUSPEND_L2_IRQ BIT(3) #define BCR_HOLB_DROP_L2_IRQ BIT(4) #define BCR_DUAL_TX BIT(5) /* Backward compatibility register value to use for each version */ static inline u32 ipa_reg_bcr_val(enum ipa_version version) { if (version == IPA_VERSION_3_5_1) return BCR_CMDQ_L_LACK_ONE_ENTRY | BCR_TX_NOT_USING_BRESP | BCR_SUSPEND_L2_IRQ | BCR_HOLB_DROP_L2_IRQ | BCR_DUAL_TX; if (version == IPA_VERSION_4_0 || version == IPA_VERSION_4_1) return BCR_CMDQ_L_LACK_ONE_ENTRY | BCR_SUSPEND_L2_IRQ | BCR_HOLB_DROP_L2_IRQ | BCR_DUAL_TX; return 0x00000000; } #define IPA_REG_LOCAL_PKT_PROC_CNTXT_BASE_OFFSET 0x000001e8 #define IPA_REG_AGGR_FORCE_CLOSE_OFFSET 0x000001ec /* ipa->available defines the valid bits in the AGGR_FORCE_CLOSE register */ #define IPA_REG_COUNTER_CFG_OFFSET 0x000001f0 #define AGGR_GRANULARITY GENMASK(8, 4) /* Compute the value to use in the AGGR_GRANULARITY field representing * the given number of microseconds (up to 1 millisecond). * x = (32 * usec) / 1000 - 1 */ static inline u32 ipa_aggr_granularity_val(u32 microseconds) { /* assert(microseconds >= 16); (?) */ /* assert(microseconds <= 1015); */ return DIV_ROUND_CLOSEST(32 * microseconds, 1000) - 1; } #define IPA_REG_TX_CFG_OFFSET 0x000001fc /* The first three fields are present for IPA v3.5.1 only */ #define TX0_PREFETCH_DISABLE GENMASK(0, 0) #define TX1_PREFETCH_DISABLE GENMASK(1, 1) #define PREFETCH_ALMOST_EMPTY_SIZE GENMASK(4, 2) /* The next fields are present for IPA v4.0 and above */ #define PREFETCH_ALMOST_EMPTY_SIZE_TX0 GENMASK(5, 2) #define DMAW_SCND_OUTSD_PRED_THRESHOLD GENMASK(9, 6) #define DMAW_SCND_OUTSD_PRED_EN GENMASK(10, 10) #define DMAW_MAX_BEATS_256_DIS GENMASK(11, 11) #define PA_MASK_EN GENMASK(12, 12) #define PREFETCH_ALMOST_EMPTY_SIZE_TX1 GENMASK(16, 13) /* The last two fields are present for IPA v4.2 and above */ #define SSPND_PA_NO_START_STATE GENMASK(18, 18) #define SSPND_PA_NO_BQ_STATE GENMASK(19, 19) #define IPA_REG_FLAVOR_0_OFFSET 0x00000210 #define BAM_MAX_PIPES_FMASK GENMASK(4, 0) #define BAM_MAX_CONS_PIPES_FMASK GENMASK(12, 8) #define BAM_MAX_PROD_PIPES_FMASK GENMASK(20, 16) #define BAM_PROD_LOWEST_FMASK GENMASK(27, 24) static inline u32 ipa_reg_idle_indication_cfg_offset(enum ipa_version version) { if (version == IPA_VERSION_4_2) return 0x00000240; return 0x00000220; } #define ENTER_IDLE_DEBOUNCE_THRESH_FMASK GENMASK(15, 0) #define CONST_NON_IDLE_ENABLE_FMASK GENMASK(16, 16) #define IPA_REG_SRC_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(rt) \ (0x00000400 + 0x0020 * (rt)) #define IPA_REG_SRC_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(rt) \ (0x00000404 + 0x0020 * (rt)) #define IPA_REG_SRC_RSRC_GRP_45_RSRC_TYPE_N_OFFSET(rt) \ (0x00000408 + 0x0020 * (rt)) #define IPA_REG_DST_RSRC_GRP_01_RSRC_TYPE_N_OFFSET(rt) \ (0x00000500 + 0x0020 * (rt)) #define IPA_REG_DST_RSRC_GRP_23_RSRC_TYPE_N_OFFSET(rt) \ (0x00000504 + 0x0020 * (rt)) #define IPA_REG_DST_RSRC_GRP_45_RSRC_TYPE_N_OFFSET(rt) \ (0x00000508 + 0x0020 * (rt)) #define X_MIN_LIM_FMASK GENMASK(5, 0) #define X_MAX_LIM_FMASK GENMASK(13, 8) #define Y_MIN_LIM_FMASK GENMASK(21, 16) #define Y_MAX_LIM_FMASK GENMASK(29, 24) #define IPA_REG_ENDP_INIT_CTRL_N_OFFSET(ep) \ (0x00000800 + 0x0070 * (ep)) #define ENDP_SUSPEND_FMASK GENMASK(0, 0) #define ENDP_DELAY_FMASK GENMASK(1, 1) #define IPA_REG_ENDP_INIT_CFG_N_OFFSET(ep) \ (0x00000808 + 0x0070 * (ep)) #define FRAG_OFFLOAD_EN_FMASK GENMASK(0, 0) #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) #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) #define HDR_A5_MUX_FMASK GENMASK(26, 26) #define HDR_LEN_INC_DEAGG_HDR_FMASK GENMASK(27, 27) #define HDR_METADATA_REG_VALID_FMASK GENMASK(28, 28) #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) #define IPA_REG_ENDP_INIT_HDR_METADATA_MASK_N_OFFSET(ep) \ (0x00000818 + 0x0070 * (ep)) #define IPA_REG_ENDP_INIT_MODE_N_OFFSET(ep) \ (0x00000820 + 0x0070 * (ep)) #define MODE_FMASK GENMASK(2, 0) #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) #define HDR_FTCH_DISABLE_FMASK GENMASK(30, 30) #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) #define AGGR_BYTE_LIMIT_FMASK GENMASK(9, 5) #define AGGR_TIME_LIMIT_FMASK GENMASK(14, 10) #define AGGR_PKT_LIMIT_FMASK GENMASK(20, 15) #define AGGR_SW_EOF_ACTIVE_FMASK GENMASK(21, 21) #define AGGR_FORCE_CLOSE_FMASK GENMASK(22, 22) #define AGGR_HARD_BYTE_LIMIT_ENABLE_FMASK GENMASK(24, 24) #define IPA_REG_ENDP_INIT_HOL_BLOCK_EN_N_OFFSET(ep) \ (0x0000082c + 0x0070 * (ep)) #define HOL_BLOCK_EN_FMASK GENMASK(0, 0) /* The next register is valid only for RX (IPA producer) endpoints */ #define IPA_REG_ENDP_INIT_HOL_BLOCK_TIMER_N_OFFSET(ep) \ (0x00000830 + 0x0070 * (ep)) /* The next fields are present for IPA v4.2 only */ #define BASE_VALUE_FMASK GENMASK(4, 0) #define SCALE_FMASK GENMASK(12, 8) #define IPA_REG_ENDP_INIT_DEAGGR_N_OFFSET(ep) \ (0x00000834 + 0x0070 * (ep)) #define DEAGGR_HDR_LEN_FMASK GENMASK(5, 0) #define PACKET_OFFSET_VALID_FMASK GENMASK(7, 7) #define PACKET_OFFSET_LOCATION_FMASK GENMASK(13, 8) #define MAX_PACKET_LEN_FMASK GENMASK(31, 16) #define IPA_REG_ENDP_INIT_RSRC_GRP_N_OFFSET(ep) \ (0x00000838 + 0x0070 * (ep)) #define RSRC_GRP_FMASK GENMASK(1, 0) #define IPA_REG_ENDP_INIT_SEQ_N_OFFSET(ep) \ (0x0000083c + 0x0070 * (ep)) #define HPS_SEQ_TYPE_FMASK GENMASK(3, 0) #define DPS_SEQ_TYPE_FMASK GENMASK(7, 4) #define HPS_REP_SEQ_TYPE_FMASK GENMASK(11, 8) #define DPS_REP_SEQ_TYPE_FMASK GENMASK(15, 12) #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) #define STATUS_LOCATION_FMASK GENMASK(8, 8) /* The next field is present for IPA v4.0 and above */ #define STATUS_PKT_SUPPRESS_FMASK GENMASK(9, 9) /* "er" is either an endpoint id (for filters) or a route id (for routes) */ #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) #define IPA_REG_IRQ_STTS_OFFSET \ IPA_REG_IRQ_STTS_EE_N_OFFSET(GSI_EE_AP) #define IPA_REG_IRQ_STTS_EE_N_OFFSET(ee) \ (0x00003008 + 0x1000 * (ee)) #define IPA_REG_IRQ_EN_OFFSET \ IPA_REG_IRQ_EN_EE_N_OFFSET(GSI_EE_AP) #define IPA_REG_IRQ_EN_EE_N_OFFSET(ee) \ (0x0000300c + 0x1000 * (ee)) #define IPA_REG_IRQ_CLR_OFFSET \ IPA_REG_IRQ_CLR_EE_N_OFFSET(GSI_EE_AP) #define IPA_REG_IRQ_CLR_EE_N_OFFSET(ee) \ (0x00003010 + 0x1000 * (ee)) #define IPA_REG_IRQ_UC_OFFSET \ IPA_REG_IRQ_UC_EE_N_OFFSET(GSI_EE_AP) #define IPA_REG_IRQ_UC_EE_N_OFFSET(ee) \ (0x0000301c + 0x1000 * (ee)) #define IPA_REG_IRQ_SUSPEND_INFO_OFFSET \ IPA_REG_IRQ_SUSPEND_INFO_EE_N_OFFSET(GSI_EE_AP) #define IPA_REG_IRQ_SUSPEND_INFO_EE_N_OFFSET(ee) \ (0x00003030 + 0x1000 * (ee)) /* ipa->available defines the valid bits in the SUSPEND_INFO register */ #define IPA_REG_SUSPEND_IRQ_EN_OFFSET \ IPA_REG_SUSPEND_IRQ_EN_EE_N_OFFSET(GSI_EE_AP) #define IPA_REG_SUSPEND_IRQ_EN_EE_N_OFFSET(ee) \ (0x00003034 + 0x1000 * (ee)) /* ipa->available defines the valid bits in the SUSPEND_IRQ_EN register */ #define IPA_REG_SUSPEND_IRQ_CLR_OFFSET \ IPA_REG_SUSPEND_IRQ_CLR_EE_N_OFFSET(GSI_EE_AP) #define IPA_REG_SUSPEND_IRQ_CLR_EE_N_OFFSET(ee) \ (0x00003038 + 0x1000 * (ee)) /* ipa->available defines the valid bits in the SUSPEND_IRQ_CLR register */ /** enum ipa_cs_offload_en - checksum offload field in ENDP_INIT_CFG_N */ enum ipa_cs_offload_en { IPA_CS_OFFLOAD_NONE = 0, IPA_CS_OFFLOAD_UL = 1, IPA_CS_OFFLOAD_DL = 2, IPA_CS_RSVD }; /** enum ipa_aggr_en - aggregation type field in ENDP_INIT_AGGR_N */ enum ipa_aggr_en { IPA_BYPASS_AGGR = 0, IPA_ENABLE_AGGR = 1, IPA_ENABLE_DEAGGR = 2, }; /** enum ipa_aggr_type - aggregation type field in in_ENDP_INIT_AGGR_N */ enum ipa_aggr_type { IPA_MBIM_16 = 0, IPA_HDLC = 1, IPA_TLP = 2, IPA_RNDIS = 3, IPA_GENERIC = 4, IPA_COALESCE = 5, IPA_QCMAP = 6, }; /** enum ipa_mode - mode field in ENDP_INIT_MODE_N */ enum ipa_mode { IPA_BASIC = 0, IPA_ENABLE_FRAMING_HDLC = 1, IPA_ENABLE_DEFRAMING_HDLC = 2, IPA_DMA = 3, }; /** * enum ipa_seq_type - HPS and DPS sequencer type fields in in ENDP_INIT_SEQ_N * @IPA_SEQ_DMA_ONLY: only DMA is performed * @IPA_SEQ_PKT_PROCESS_NO_DEC_UCP: * packet processing + no decipher + microcontroller (Ethernet Bridging) * @IPA_SEQ_2ND_PKT_PROCESS_PASS_NO_DEC_UCP: * second packet processing pass + no decipher + microcontroller * @IPA_SEQ_DMA_DEC: DMA + cipher/decipher * @IPA_SEQ_DMA_COMP_DECOMP: DMA + compression/decompression * @IPA_SEQ_INVALID: invalid sequencer type * * The values defined here are broken into 4-bit nibbles that are written * into fields of the INIT_SEQ_N endpoint registers. */ enum ipa_seq_type { IPA_SEQ_DMA_ONLY = 0x0000, IPA_SEQ_PKT_PROCESS_NO_DEC_UCP = 0x0002, IPA_SEQ_2ND_PKT_PROCESS_PASS_NO_DEC_UCP = 0x0004, IPA_SEQ_DMA_DEC = 0x0011, IPA_SEQ_DMA_COMP_DECOMP = 0x0020, IPA_SEQ_PKT_PROCESS_NO_DEC_NO_UCP_DMAP = 0x0806, IPA_SEQ_INVALID = 0xffff, }; int ipa_reg_init(struct ipa *ipa); void ipa_reg_exit(struct ipa *ipa); #endif /* _IPA_REG_H_ */