1 /* 2 * Copyright 2020 The Apache Software Foundation 3 * Copyright 2022 sakumisu 4 * 5 * SPDX-License-Identifier: Apache-2.0 6 */ 7 #ifndef USB_HC_EHCI_H 8 #define USB_HC_EHCI_H 9 10 #define EHCI_FULL_SPEED (0) /* Full-Speed (12Mbs) */ 11 #define EHCI_LOW_SPEED (1) /* Low-Speed (1.5Mbs) */ 12 #define EHCI_HIGH_SPEED (2) /* High-Speed (480 Mb/s) */ 13 14 /* Host Controller Capability Register Bit Definitions **********************/ 15 16 /* Structural Parameters. Paragraph 2.2.3 */ 17 18 #define EHCI_HCSPARAMS_NPORTS_SHIFT (0) /* Bit 0-3: Number of physical downstream ports */ 19 #define EHCI_HCSPARAMS_NPORTS_MASK (15 << EHCI_HCSPARAMS_NPORTS_SHIFT) 20 #define EHCI_HCSPARAMS_PPC (1 << 4) /* Bit 4: Port Power Control */ 21 #define EHCI_HCSPARAMS_PRR (1 << 7) /* Bit 7: Port Routing Rules */ 22 #define EHCI_HCSPARAMS_NPCC_SHIFT (8) /* Bit 8-11: Number of Ports per Companion Controller */ 23 #define EHCI_HCSPARAMS_NPCC_MASK (15 << EHCI_HCSPARAMS_NPCC_SHIFT) 24 #define EHCI_HCSPARAMS_NCC_SHIFT (12) /* Bit 12-15: Number of Companion Controllers */ 25 #define EHCI_HCSPARAMS_NCC_MASK (15 << EHCI_HCSPARAMS_NCC_SHIFT) 26 #define EHCI_HCSPARAMS_PIND (1 << 16) /* Bit 16: Port Indicators */ 27 #define EHCI_HCSPARAMS_DBGPORT_SHIFT (20) /* Bit 20-23: Debug Port Number */ 28 #define EHCI_HCSPARAMS_DBGPORT_MASK (15 << EHCI_HCSPARAMS_DBGPORT_SHIFT) 29 30 /* Capability Parameters. Paragraph 2.2.4 */ 31 32 #define EHCI_HCCPARAMS_64BIT (1 << 0) /* Bit 0: 64-bit Addressing Capability */ 33 #define EHCI_HCCPARAMS_PFLF (1 << 1) /* Bit 1: Programmable Frame List Flag */ 34 #define EHCI_HCCPARAMS_ASPC (1 << 2) /* Bit 2: Asynchronous Schedule Park Capability */ 35 #define EHCI_HCCPARAMS_IST_SHIFT (4) /* Bits 4-7: Isochronous Scheduling Threshold */ 36 #define EHCI_HCCPARAMS_IST_MASK (15 << EHCI_HCCPARAMS_IST_SHIFT) 37 #define EHCI_HCCPARAMS_EECP_SHIFT (8) /* Bits 8-15: EHCI Extended Capabilities Pointer */ 38 #define EHCI_HCCPARAMS_EECP_MASK (0xff << EHCI_HCCPARAMS_EECP_SHIFT) 39 40 /* Host Controller Operational Register Bit Definitions *********************/ 41 42 /* USB Command. Paragraph 2.3.1 */ 43 44 #define EHCI_USBCMD_RUN (1 << 0) /* Bit 0: Run/Stop */ 45 #define EHCI_USBCMD_HCRESET (1 << 1) /* Bit 1: Host Controller Reset */ 46 #define EHCI_USBCMD_FLSIZE_SHIFT (2) /* Bits 2-3: Frame List Size */ 47 #define EHCI_USBCMD_FLSIZE_MASK (3 << EHCI_USBCMD_FLSIZE_SHIFT) 48 #define EHCI_USBCMD_FLSIZE_1024 (0 << EHCI_USBCMD_FLSIZE_SHIFT) /* 1024 elements (4096 bytes) */ 49 #define EHCI_USBCMD_FLSIZE_512 (1 << EHCI_USBCMD_FLSIZE_SHIFT) /* 512 elements (2048 bytes) */ 50 #define EHCI_USBCMD_FLSIZE_256 (2 << EHCI_USBCMD_FLSIZE_SHIFT) /* 256 elements (1024 bytes) */ 51 #define EHCI_USBCMD_PSEN (1 << 4) /* Bit 4: Periodic Schedule Enable */ 52 #define EHCI_USBCMD_ASEN (1 << 5) /* Bit 5: Asynchronous Schedule Enable */ 53 #define EHCI_USBCMD_IAAD (1 << 6) /* Bit 6: Interrupt on Async Advance Doorbell */ 54 #define EHCI_USBCMD_LRESET (1 << 7) /* Bit 7: Light Host Controller Reset */ 55 #define EHCI_USBCMD_ASYNC_PARKCNT_SHIFT (8) /* Bits 8-9: Asynchronous Schedule Park Mode Count */ 56 #define EHCI_USBCMD_ASYNC_PARKCNT_MASK (3 << EHCI_USBCMD_ASYNC_PARKCNT_SHIFT) 57 #define EHCI_USBCMD_ASYNC_PARK (1 << 11) /* Bit 11: Asynchronous Schedule Park Mode Enable */ 58 #define EHCI_USBCMD_ITHRE_SHIFT (16) /* Bits 16-23: Interrupt Threshold Control */ 59 #define EHCI_USBCMD_ITHRE_MASK (0xff << EHCI_USBCMD_ITHRE_SHIFT) 60 #define EHCI_USBCMD_ITHRE_1MF (0x01 << EHCI_USBCMD_ITHRE_SHIFT) /* 1 micro-frame */ 61 #define EHCI_USBCMD_ITHRE_2MF (0x02 << EHCI_USBCMD_ITHRE_SHIFT) /* 2 micro-frames */ 62 #define EHCI_USBCMD_ITHRE_4MF (0x04 << EHCI_USBCMD_ITHRE_SHIFT) /* 4 micro-frames */ 63 #define EHCI_USBCMD_ITHRE_8MF (0x08 << EHCI_USBCMD_ITHRE_SHIFT) /* 8 micro-frames (default, 1 ms) */ 64 #define EHCI_USBCMD_ITHRE_16MF (0x10 << EHCI_USBCMD_ITHRE_SHIFT) /* 16 micro-frames (2 ms) */ 65 #define EHCI_USBCMD_ITHRE_32MF (0x20 << EHCI_USBCMD_ITHRE_SHIFT) /* 32 micro-frames (4 ms) */ 66 #define EHCI_USBCMD_ITHRE_64MF (0x40 << EHCI_USBCMD_ITHRE_SHIFT) /* 64 micro-frames (8 ms) */ 67 68 /* USB Status. Paragraph 2.3.2 */ 69 70 #define EHCI_USBSTS_INT (1 << 0) /* Bit 0: USB Interrupt */ 71 #define EHCI_USBSTS_ERR (1 << 1) /* Bit 1: USB Error Interrupt */ 72 #define EHCI_USBSTS_PCD (1 << 2) /* Bit 2: Port Change Detect */ 73 #define EHCI_USBSTS_FLR (1 << 3) /* Bit 3: Frame List Rollover */ 74 #define EHCI_USBSTS_FATAL (1 << 4) /* Bit 4: Host System Error */ 75 #define EHCI_USBSTS_IAA (1 << 5) /* Bit 5: Interrupt on Async Advance */ 76 #define EHCI_USBSTS_HALTED (1 << 12) /* Bit 12: HC Halted */ 77 #define EHCI_USBSTS_RECLAM (1 << 13) /* Bit 13: Reclamation */ 78 #define EHCI_USBSTS_PSS (1 << 14) /* Bit 14: Periodic Schedule Status */ 79 #define EHCI_USBSTS_ASS (1 << 15) /* Bit 15: Asynchronous Schedule Status */ 80 /* Bits 16-31: Reserved */ 81 82 /* USB Interrupt Enable. Paragraph 2.3.3 */ 83 84 #define EHCI_USBIE_INT (1 << 0) /* Bit 0: USB Interrupt */ 85 #define EHCI_USBIE_ERR (1 << 1) /* Bit 1: USB Error Interrupt */ 86 #define EHCI_USBIE_PCD (1 << 2) /* Bit 2: Port Change Detect */ 87 #define EHCI_USBIE_FLROLL (1 << 3) /* Bit 3: Frame List Rollover */ 88 #define EHCI_USBIE_FATAL (1 << 4) /* Bit 4: Host System Error */ 89 #define EHCI_USBIE_IAA (1 << 5) /* Bit 5: Interrupt on Async Advance */ 90 #define EHCI_USBIE_ALLINTS (0x3f) /* Bits 0-5: All interrupts */ 91 92 /* USB Frame Index. Paragraph 2.3.4 */ 93 94 #define EHCI_FRINDEX_MASK (0x3fff) /* Bits 0-13: Frame index */ 95 96 /* 4G Segment Selector. 97 * Paragraph 2.3.5, Bits[64:32] of data structure addresses 98 */ 99 100 /* Frame List Base Address. Paragraph 2.3.6 */ 101 #define EHCI_PERIODICLISTBASE_MASK (0xfffff000) /* Bits 12-31: Base Address (Low) */ 102 103 /* Next Asynchronous List Address. Paragraph 2.3.7 */ 104 105 #define EHCI_ASYNCLISTADDR_MASK (0xffffffe0) /* Bits 5-31: Link Pointer Low (LPL) */ 106 107 /* Configured Flag Register. Paragraph 2.3.8 */ 108 109 #define EHCI_CONFIGFLAG (1 << 0) /* Bit 0: Configure Flag */ 110 111 /* Port Status/Control, Port 1-n. Paragraph 2.3.9 */ 112 113 #define EHCI_PORTSC_CCS (1 << 0) /* Bit 0: Current Connect Status */ 114 #define EHCI_PORTSC_CSC (1 << 1) /* Bit 1: Connect Status Change */ 115 #define EHCI_PORTSC_PE (1 << 2) /* Bit 2: Port Enable */ 116 #define EHCI_PORTSC_PEC (1 << 3) /* Bit 3: Port Enable/Disable Change */ 117 #define EHCI_PORTSC_OCA (1 << 4) /* Bit 4: Over-current Active */ 118 #define EHCI_PORTSC_OCC (1 << 5) /* Bit 5: Over-current Change */ 119 #define EHCI_PORTSC_RESUME (1 << 6) /* Bit 6: Force Port Resume */ 120 #define EHCI_PORTSC_SUSPEND (1 << 7) /* Bit 7: Suspend */ 121 #define EHCI_PORTSC_RESET (1 << 8) /* Bit 8: Port Reset */ 122 #define EHCI_PORTSC_LSTATUS_SHIFT (10) /* Bits 10-11: Line Status */ 123 #define EHCI_PORTSC_LSTATUS_MASK (3 << EHCI_PORTSC_LSTATUS_SHIFT) 124 #define EHCI_PORTSC_LSTATUS_SE0 (0 << EHCI_PORTSC_LSTATUS_SHIFT) /* SE0 Not Low-speed device, perform EHCI reset */ 125 #define EHCI_PORTSC_LSTATUS_KSTATE (1 << EHCI_PORTSC_LSTATUS_SHIFT) /* K-state Low-speed device, release ownership of port */ 126 #define EHCI_PORTSC_LSTATUS_JSTATE (2 << EHCI_PORTSC_LSTATUS_SHIFT) /* J-state Not Low-speed device, perform EHCI reset */ 127 #define EHCI_PORTSC_PP (1 << 12) /* Bit 12: Port Power */ 128 #define EHCI_PORTSC_OWNER (1 << 13) /* Bit 13: Port Owner */ 129 #define EHCI_PORTSC_PIC_SHIFT (14) /* Bits 14-15: Port Indicator Control */ 130 #define EHCI_PORTSC_PIC_MASK (3 << EHCI_PORTSC_PIC_SHIFT) 131 #define EHCI_PORTSC_PIC_OFF (0 << EHCI_PORTSC_PIC_SHIFT) /* Port indicators are off */ 132 #define EHCI_PORTSC_PIC_AMBER (1 << EHCI_PORTSC_PIC_SHIFT) /* Amber */ 133 #define EHCI_PORTSC_PIC_GREEN (2 << EHCI_PORTSC_PIC_SHIFT) /* Green */ 134 #define EHCI_PORTSC_PTC_SHIFT (16) /* Bits 16-19: Port Test Control */ 135 #define EHCI_PORTSC_PTC_MASK (15 << EHCI_PORTSC_PTC_SHIFT) 136 #define EHCI_PORTSC_PTC_DISABLED (0 << EHCI_PORTSC_PTC_SHIFT) /* Test mode not enabled */ 137 #define EHCI_PORTSC_PTC_JSTATE (1 << EHCI_PORTSC_PTC_SHIFT) /* Test J_STATE */ 138 #define EHCI_PORTSC_PTC_KSTATE (2 << EHCI_PORTSC_PTC_SHIFT) /* Test K_STATE */ 139 #define EHCI_PORTSC_PTC_SE0NAK (3 << EHCI_PORTSC_PTC_SHIFT) /* Test SE0_NAK */ 140 #define EHCI_PORTSC_PTC_PACKET (4 << EHCI_PORTSC_PTC_SHIFT) /* Test Packet */ 141 #define EHCI_PORTSC_PTC_ENABLE (5 << EHCI_PORTSC_PTC_SHIFT) /* Test FORCE_ENABLE */ 142 #define EHCI_PORTSC_WKCCNTE (1 << 20) /* Bit 20: Wake on Connect Enable */ 143 #define EHCI_PORTSC_WKDSCNNTE (1 << 21) /* Bit 21: Wake on Disconnect Enable */ 144 #define EHCI_PORTSC_WKOCE (1 << 22) /* Bit 22: Wake on Over-current Enable */ 145 /* Bits 23-31: Reserved */ 146 147 #define EHCI_PORTSC_ALLINTS (EHCI_PORTSC_CSC | EHCI_PORTSC_PEC | \ 148 EHCI_PORTSC_OCC | EHCI_PORTSC_RESUME) 149 150 /* Queue Head. Paragraph 3.6 */ 151 152 /* Queue Head Horizontal Link Pointer: Queue Head DWord 0. Table 3-19 */ 153 154 #define QH_HLP_END 0x1 155 156 #define QH_HLP_ITD(x) (((uint32_t)(x) & ~0x1F) | 0x0) /* Isochronous Transfer Descriptor */ 157 #define QH_HLP_QH(x) (((uint32_t)(x) & ~0x1F) | 0x2) /* Queue Head */ 158 #define QH_HLP_SITD(x) (((uint32_t)(x) & ~0x1F) | 0x4) /* Split Transaction Isochronous Transfer Descriptor */ 159 #define QH_HLP_FSTN(x) (((uint32_t)(x) & ~0x1F) | 0x6) /* Frame Span Traversal Node */ 160 161 /* Endpoint Characteristics: Queue Head DWord 1. Table 3-19 */ 162 163 #define QH_EPCHAR_DEVADDR_SHIFT (0) /* Bitx 0-6: Device Address */ 164 #define QH_EPCHAR_DEVADDR_MASK (0x7f << QH_EPCHAR_DEVADDR_SHIFT) 165 #define QH_EPCHAR_I (1 << 7) /* Bit 7: Inactivate on Next Transaction */ 166 #define QH_EPCHAR_ENDPT_SHIFT (8) /* Bitx 8-11: Endpoint Number */ 167 #define QH_EPCHAR_ENDPT_MASK (15 << QH_EPCHAR_ENDPT_SHIFT) 168 #define QH_EPCHAR_EPS_SHIFT (12) /* Bitx 12-13: Endpoint Speed */ 169 #define QH_EPCHAR_EPS_MASK (3 << QH_EPCHAR_EPS_SHIFT) 170 #define QH_EPCHAR_EPS_FULL (0 << QH_EPCHAR_EPS_SHIFT) /* Full-Speed (12Mbs) */ 171 #define QH_EPCHAR_EPS_LOW (1 << QH_EPCHAR_EPS_SHIFT) /* Low-Speed (1.5Mbs) */ 172 #define QH_EPCHAR_EPS_HIGH (2 << QH_EPCHAR_EPS_SHIFT) /* High-Speed (480 Mb/s) */ 173 #define QH_EPCHAR_DTC (1 << 14) /* Bit 14: Data Toggle Control */ 174 #define QH_EPCHAR_H (1 << 15) /* Bit 15: Head of Reclamation List Flag */ 175 #define QH_EPCHAR_MAXPKT_SHIFT (16) /* Bitx 16-26: Maximum Packet Length */ 176 #define QH_EPCHAR_MAXPKT_MASK (0x7ff << QH_EPCHAR_MAXPKT_SHIFT) 177 #define QH_EPCHAR_C (1 << 27) /* Bit 27: Control Endpoint Flag */ 178 #define QH_EPCHAR_RL_SHIFT (28) /* Bitx 28-31: Nak Count Reload */ 179 #define QH_EPCHAR_RL_MASK (15 << QH_EPCHAR_RL_SHIFT) 180 181 /* Endpoint Capabilities: Queue Head DWord 2. Table 3-20 */ 182 183 #define QH_EPCAPS_SSMASK_SHIFT (0) /* Bitx 0-7: Interrupt Schedule Mask (Frame S-mask) */ 184 #define QH_EPCAPS_SSMASK_MASK (0xff << QH_EPCAPS_SSMASK_SHIFT) 185 #define QH_EPCAPS_SSMASK(n) ((n) << QH_EPCAPS_SSMASK_SHIFT) 186 #define QH_EPCAPS_SCMASK_SHIFT (8) /* Bitx 8-15: Split Completion Mask (Frame C-Mask) */ 187 #define QH_EPCAPS_SCMASK_MASK (0xff << QH_EPCAPS_SCMASK_SHIFT) 188 #define QH_EPCAPS_SCMASK(n) ((n) << QH_EPCAPS_SCMASK_SHIFT) 189 #define QH_EPCAPS_HUBADDR_SHIFT (16) /* Bitx 16-22: Hub Address */ 190 #define QH_EPCAPS_HUBADDR_MASK (0x7f << QH_EPCAPS_HUBADDR_SHIFT) 191 #define QH_EPCAPS_HUBADDR(n) ((n) << QH_EPCAPS_HUBADDR_SHIFT) 192 #define QH_EPCAPS_PORT_SHIFT (23) /* Bit 23-29: Port Number */ 193 #define QH_EPCAPS_PORT_MASK (0x7f << QH_EPCAPS_PORT_SHIFT) 194 #define QH_EPCAPS_PORT(n) ((n) << QH_EPCAPS_PORT_SHIFT) 195 #define QH_EPCAPS_MULT_SHIFT (30) /* Bit 30-31: High-Bandwidth Pipe Multiplier */ 196 #define QH_EPCAPS_MULT_MASK (3 << QH_EPCAPS_MULT_SHIFT) 197 #define QH_EPCAPS_MULT(n) ((n) << QH_EPCAPS_MULT_SHIFT) 198 199 /* qTD Token. Paragraph 3.5.3 */ 200 201 #define QTD_LIST_END 1 202 203 #define QTD_TOKEN_STATUS_SHIFT (0) /* Bits 0-7: Status */ 204 #define QTD_TOKEN_STATUS_MASK (0xff << QTD_TOKEN_STATUS_SHIFT) 205 #define QTD_TOKEN_STATUS_PINGSTATE (1 << 0) /* Bit 0 Ping State */ 206 #define QTD_TOKEN_STATUS_ERR (1 << 0) /* Bit 0 Error */ 207 #define QTD_TOKEN_STATUS_SPLITXSTATE (1 << 1) /* Bit 1 Split Transaction State */ 208 #define QTD_TOKEN_STATUS_MMF (1 << 2) /* Bit 2 Missed Micro-Frame */ 209 #define QTD_TOKEN_STATUS_XACTERR (1 << 3) /* Bit 3 Transaction Error */ 210 #define QTD_TOKEN_STATUS_BABBLE (1 << 4) /* Bit 4 Babble Detected */ 211 #define QTD_TOKEN_STATUS_DBERR (1 << 5) /* Bit 5 Data Buffer Error */ 212 #define QTD_TOKEN_STATUS_HALTED (1 << 6) /* Bit 6 Halted */ 213 #define QTD_TOKEN_STATUS_ACTIVE (1 << 7) /* Bit 7 Active */ 214 #define QTD_TOKEN_STATUS_ERRORS (0x78 << QTD_TOKEN_STATUS_SHIFT) 215 #define QTD_TOKEN_PID_SHIFT (8) /* Bits 8-9: PID Code */ 216 #define QTD_TOKEN_PID_MASK (3 << QTD_TOKEN_PID_SHIFT) 217 #define QTD_TOKEN_PID_OUT (0 << QTD_TOKEN_PID_SHIFT) /* OUT Token generates token (E1H) */ 218 #define QTD_TOKEN_PID_IN (1 << QTD_TOKEN_PID_SHIFT) /* IN Token generates token (69H) */ 219 #define QTD_TOKEN_PID_SETUP (2 << QTD_TOKEN_PID_SHIFT) /* SETUP Token generates token (2DH) */ 220 #define QTD_TOKEN_CERR_SHIFT (10) /* Bits 10-11: Error Counter */ 221 #define QTD_TOKEN_CERR_MASK (3 << QTD_TOKEN_CERR_SHIFT) 222 #define QTD_TOKEN_CPAGE_SHIFT (12) /* Bits 12-14: Current Page */ 223 #define QTD_TOKEN_CPAGE_MASK (7 << QTD_TOKEN_CPAGE_SHIFT) 224 #define QTD_TOKEN_IOC (1 << 15) /* Bit 15: Interrupt On Complete */ 225 #define QTD_TOKEN_NBYTES_SHIFT (16) /* Bits 16-30: Total Bytes to Transfer */ 226 #define QTD_TOKEN_NBYTES_MASK (0x7fff << QTD_TOKEN_NBYTES_SHIFT) 227 #define QTD_TOKEN_TOGGLE (1 << 31) /* Bit 31: Data Toggle */ 228 229 /* Isochronous (High-Speed) Transfer Descriptor (iTD). Paragraph 3.3 */ 230 231 /* iTD Next Link Pointer. Paragraph 3.3.1 */ 232 233 #define ITD_NLP_ITD(x) (((uint32_t)(x) & ~0x1F) | 0x0) 234 #define ITD_NLP_QH(x) (((uint32_t)(x) & ~0x1F) | 0x2) 235 #define ITD_NLP_SITD(x) (((uint32_t)(x) & ~0x1F) | 0x4) 236 #define ITD_NLP_FSTN(x) (((uint32_t)(x) & ~0x1F) | 0x6) 237 238 /* iTD Transaction Status and Control List. Paragraph 3.3.2 */ 239 #define ITD_TSCL_XOFFS_SHIFT (0) /* Bits 0-11: Transaction X offset */ 240 #define ITD_TSCL_XOFFS_MASK (0xfff << ITD_TSCL_XOFFS_SHIFT) 241 #define ITD_TSCL_PG_SHIFT (12) /* Bits 12-14: Page select */ 242 #define ITD_TSCL_PG_MASK (7 << ITD_TSCL_PG_SHIFT) 243 #define ITD_TSCL_IOC (1 << 15) /* Bit 15: Interrupt On Comp */ 244 #define ITD_TSCL_LENGTH_SHIFT (16) /* Bits 16-27: Transaction length */ 245 #define ITD_TSCL_LENGTH_MASK (0xfff << ITD_TSCL_LENGTH_SHIFT) 246 #define ITD_TSCL_STATUS_SHIFT (28) /* Bits 28-31: Transaction status */ 247 #define ITD_TSCL_STATUS_MASK (15 << ITD_TSCL_STATUS_SHIFT) 248 #define ITD_TSCL_STATUS_XACTERR (1 << 28) /* Bit 28: Transaction error */ 249 #define ITD_TSCL_STATUS_BABBLE (1 << 29) /* Bit 29: Babble Detected */ 250 #define ITD_TSCL_STATUS_DBERROR (1 << 30) /* Bit 30: Data Buffer Error */ 251 #define ITD_TSCL_STATUS_ACTIVE (1 << 31) /* Bit 31: Active error */ 252 253 /* iTD Buffer Page Pointer List. Paragraph 3.3.4 */ 254 255 /* iTD Buffer Pointer Page 0. Table 3-4 */ 256 257 #define ITD_BUFPTR0_DEVADDR_SHIFT (0) /* Bits 0-6: Device Address */ 258 #define ITD_BUFPTR0_DEVADDR_MASK (0x7f << ITD_BUFPTR0_DEVADDR_SHIFT) 259 #define ITD_BUFPTR0_ENDPT_SHIFT (8) /* Bits 8-11: Endpoint Number */ 260 #define ITD_BUFPTR0_ENDPT_MASK (15 << ITD_BUFPTR0_ENDPT_SHIFT) 261 262 /* iTD Buffer Pointer Page 1. Table 3-5 */ 263 264 #define ITD_BUFPTR1_MAXPKT_SHIFT (0) /* Bits 0-10: Maximum Packet Size */ 265 #define ITD_BUFPTR1_MAXPKT_MASK (0x7ff << ITD_BUFPTR1_MAXPKT_SHIFT) 266 #define ITD_BUFPTR1_DIRIN (1 << 11) /* Bit 11: Direction 1=IN */ 267 #define ITD_BUFPTR1_DIROUT (0) /* Bit 11: Direction 0=OUT */ 268 269 /* iTD Buffer Pointer Page 2. Table 3-6 */ 270 271 #define ITD_BUFPTR2_MULTI_SHIFT (0) /* Bits 0-1: Multi */ 272 #define ITD_BUFPTR2_MULTI_MASK (3 << ITD_BUFPTR2_MULTI_SHIFT) 273 #define ITD_BUFPTR2_MULTI_1 (1 << ITD_BUFPTR2_MULTI_SHIFT) /* One transaction per micro-frame */ 274 #define ITD_BUFPTR2_MULTI_2 (2 << ITD_BUFPTR2_MULTI_SHIFT) /* Two transactions per micro-frame */ 275 #define ITD_BUFPTR2_MULTI_3 (3 << ITD_BUFPTR2_MULTI_SHIFT) /* Three transactions per micro-frame */ 276 277 /* Registers ****************************************************************/ 278 279 /* Host Controller Capability Registers. 280 * This register block must be positioned at a well known address. 281 */ 282 283 struct ehci_hccr { 284 uint8_t caplength; /* 0x00: Capability Register Length */ 285 uint8_t reserved; /* 0x01: reserved */ 286 uint16_t hciversion; /* 0x02: Interface Version Number */ 287 uint32_t hcsparams; /* 0x04: Structural Parameters */ 288 uint32_t hccparams; /* 0x08: Capability Parameters */ 289 uint8_t hcspportroute[8]; /* 0x0c: Companion Port Route Description */ 290 }; 291 292 /* Host Controller Operational Registers. 293 * This register block is positioned at an offset of 'caplength' from the 294 * beginning of the Host Controller Capability Registers. 295 */ 296 297 struct ehci_hcor { 298 uint32_t usbcmd; /* 0x00: USB Command */ 299 uint32_t usbsts; /* 0x04: USB Status */ 300 uint32_t usbintr; /* 0x08: USB Interrupt Enable */ 301 uint32_t frindex; /* 0x0c: USB Frame Index */ 302 uint32_t ctrldssegment; /* 0x10: 4G Segment Selector */ 303 uint32_t periodiclistbase; /* 0x14: Frame List Base Address */ 304 uint32_t asynclistaddr; /* 0x18: Next Asynchronous List Address */ 305 #ifndef CONFIG_USB_EHCI_HCOR_RESERVED_DISABLE 306 uint32_t reserved[9]; 307 #endif 308 uint32_t configflag; /* 0x40: Configured Flag Register */ 309 uint32_t portsc[15]; /* 0x44: Port Status/Control */ 310 }; 311 312 /* USB2 Debug Port Register Interface. 313 * This register block is normally found via the PCI capabalities. 314 * In non-PCI implementions, you need apriori information about the 315 * location of these registers. 316 */ 317 318 struct ehci_debug { 319 uint32_t psc; /* 0x00: Debug Port Control/Status Register */ 320 uint32_t pids; /* 0x04: Debug USB PIDs Register */ 321 uint32_t data[2]; /* 0x08: Debug Data buffer Registers */ 322 uint32_t addr; /* 0x10: Device Address Register */ 323 }; 324 325 /* Data Structures **********************************************************/ 326 327 /* Queue Element Transfer Descriptor (qTD). Paragraph 3.5 */ 328 329 struct ehci_qtd { 330 uint32_t next_qtd; /* 0x00-0x03: Next qTD Pointer */ 331 uint32_t alt_next_qtd; /* 0x04-0x07: Alternate Next qTD Pointer */ 332 uint32_t token; /* 0x08-0x0b: qTD Token */ 333 uint32_t bpl[5]; /* 0x0c-0x1c: Buffer Page Pointer List */ 334 }; 335 336 #define SIZEOF_EHCI_QTD (32) /* 8*sizeof(uint32_t) */ 337 338 /* Queue Head. Paragraph 3.6 */ 339 340 struct ehci_qh { 341 uint32_t hlp; /* 0x00-0x03: Queue Head Horizontal Link Pointer */ 342 uint32_t epchar; /* 0x04-0x07: Endpoint Characteristics */ 343 uint32_t epcap; /* 0x08-0x0b: Endpoint Capabilities */ 344 uint32_t curr_qtd; /* 0x0c-0x0f: Current qTD Pointer */ 345 struct ehci_qtd overlay; /* 0x10-0x2c: Transfer overlay */ 346 }; 347 348 #define SIZEOF_EHCI_QH (48) /* 4*sizeof(uint32_t) + 32 */ 349 350 /* Isochronous (High-Speed) Transfer Descriptor (iTD). 351 * Paragraph 3.3. Must be aligned to 32-byte boundaries. 352 */ 353 354 struct ehci_itd { 355 uint32_t nlp; /* 0x00-0x03: Next link pointer */ 356 uint32_t tscl[8]; /* 0x04-0x23: Transaction Status and Control List */ 357 uint32_t bpl[7]; /* 0x24-0x3c: Buffer Page Pointer List */ 358 }; 359 360 #define SIZEOF_EHCI_ITD_S (64) /* 16*sizeof(uint32_t) */ 361 362 /* Split Transaction Isochronous Transfer Descriptor (siTD). Paragraph 3.4 */ 363 364 struct ehci_sitd { 365 uint32_t nlp; /* 0x00-0x03: Next link pointer */ 366 uint32_t epchar; /* 0x04-0x07: Endpoint and Transaction Translator Characteristics */ 367 uint32_t mfsc; /* 0x08-0x0b: Micro-frame Schedule Control */ 368 uint32_t tsc; /* 0x0c-0x0f: Transfer Status and Control */ 369 uint32_t bpl[2]; /* 0x10-0x17: Buffer Pointer List */ 370 uint32_t blp; /* 0x18-0x1b: Back link pointer */ 371 }; 372 373 #define SIZEOF_EHCI_SITD_S (28) /* 7*sizeof(uint32_t) */ 374 375 #endif /* USB_HC_EHCI_H */ 376