1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * M66592 UDC (USB gadget) 4 * 5 * Copyright (C) 2006-2007 Renesas Solutions Corp. 6 * 7 * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; version 2 of the License. 12 */ 13 14 #ifndef __M66592_UDC_H__ 15 #define __M66592_UDC_H__ 16 17 #include <linux/clk.h> 18 #include <linux/usb/m66592.h> 19 20 #define M66592_SYSCFG 0x00 21 #define M66592_XTAL 0xC000 /* b15-14: Crystal selection */ 22 #define M66592_XTAL48 0x8000 /* 48MHz */ 23 #define M66592_XTAL24 0x4000 /* 24MHz */ 24 #define M66592_XTAL12 0x0000 /* 12MHz */ 25 #define M66592_XCKE 0x2000 /* b13: External clock enable */ 26 #define M66592_RCKE 0x1000 /* b12: Register clock enable */ 27 #define M66592_PLLC 0x0800 /* b11: PLL control */ 28 #define M66592_SCKE 0x0400 /* b10: USB clock enable */ 29 #define M66592_ATCKM 0x0100 /* b8: Automatic clock supply */ 30 #define M66592_HSE 0x0080 /* b7: Hi-speed enable */ 31 #define M66592_DCFM 0x0040 /* b6: Controller function select */ 32 #define M66592_DMRPD 0x0020 /* b5: D- pull down control */ 33 #define M66592_DPRPU 0x0010 /* b4: D+ pull up control */ 34 #define M66592_FSRPC 0x0004 /* b2: Full-speed receiver enable */ 35 #define M66592_PCUT 0x0002 /* b1: Low power sleep enable */ 36 #define M66592_USBE 0x0001 /* b0: USB module operation enable */ 37 38 #define M66592_SYSSTS 0x02 39 #define M66592_LNST 0x0003 /* b1-0: D+, D- line status */ 40 #define M66592_SE1 0x0003 /* SE1 */ 41 #define M66592_KSTS 0x0002 /* K State */ 42 #define M66592_JSTS 0x0001 /* J State */ 43 #define M66592_SE0 0x0000 /* SE0 */ 44 45 #define M66592_DVSTCTR 0x04 46 #define M66592_WKUP 0x0100 /* b8: Remote wakeup */ 47 #define M66592_RWUPE 0x0080 /* b7: Remote wakeup sense */ 48 #define M66592_USBRST 0x0040 /* b6: USB reset enable */ 49 #define M66592_RESUME 0x0020 /* b5: Resume enable */ 50 #define M66592_UACT 0x0010 /* b4: USB bus enable */ 51 #define M66592_RHST 0x0003 /* b1-0: Reset handshake status */ 52 #define M66592_HSMODE 0x0003 /* Hi-Speed mode */ 53 #define M66592_FSMODE 0x0002 /* Full-Speed mode */ 54 #define M66592_HSPROC 0x0001 /* HS handshake is processing */ 55 56 #define M66592_TESTMODE 0x06 57 #define M66592_UTST 0x000F /* b4-0: Test select */ 58 #define M66592_H_TST_PACKET 0x000C /* HOST TEST Packet */ 59 #define M66592_H_TST_SE0_NAK 0x000B /* HOST TEST SE0 NAK */ 60 #define M66592_H_TST_K 0x000A /* HOST TEST K */ 61 #define M66592_H_TST_J 0x0009 /* HOST TEST J */ 62 #define M66592_H_TST_NORMAL 0x0000 /* HOST Normal Mode */ 63 #define M66592_P_TST_PACKET 0x0004 /* PERI TEST Packet */ 64 #define M66592_P_TST_SE0_NAK 0x0003 /* PERI TEST SE0 NAK */ 65 #define M66592_P_TST_K 0x0002 /* PERI TEST K */ 66 #define M66592_P_TST_J 0x0001 /* PERI TEST J */ 67 #define M66592_P_TST_NORMAL 0x0000 /* PERI Normal Mode */ 68 69 /* built-in registers */ 70 #define M66592_CFBCFG 0x0A 71 #define M66592_D0FBCFG 0x0C 72 #define M66592_LITTLE 0x0100 /* b8: Little endian mode */ 73 /* external chip case */ 74 #define M66592_PINCFG 0x0A 75 #define M66592_LDRV 0x8000 /* b15: Drive Current Adjust */ 76 #define M66592_BIGEND 0x0100 /* b8: Big endian mode */ 77 78 #define M66592_DMA0CFG 0x0C 79 #define M66592_DMA1CFG 0x0E 80 #define M66592_DREQA 0x4000 /* b14: Dreq active select */ 81 #define M66592_BURST 0x2000 /* b13: Burst mode */ 82 #define M66592_DACKA 0x0400 /* b10: Dack active select */ 83 #define M66592_DFORM 0x0380 /* b9-7: DMA mode select */ 84 #define M66592_CPU_ADR_RD_WR 0x0000 /* Address + RD/WR mode (CPU bus) */ 85 #define M66592_CPU_DACK_RD_WR 0x0100 /* DACK + RD/WR mode (CPU bus) */ 86 #define M66592_CPU_DACK_ONLY 0x0180 /* DACK only mode (CPU bus) */ 87 #define M66592_SPLIT_DACK_ONLY 0x0200 /* DACK only mode (SPLIT bus) */ 88 #define M66592_SPLIT_DACK_DSTB 0x0300 /* DACK + DSTB0 mode (SPLIT bus) */ 89 #define M66592_DENDA 0x0040 /* b6: Dend active select */ 90 #define M66592_PKTM 0x0020 /* b5: Packet mode */ 91 #define M66592_DENDE 0x0010 /* b4: Dend enable */ 92 #define M66592_OBUS 0x0004 /* b2: OUTbus mode */ 93 94 /* common case */ 95 #define M66592_CFIFO 0x10 96 #define M66592_D0FIFO 0x14 97 #define M66592_D1FIFO 0x18 98 99 #define M66592_CFIFOSEL 0x1E 100 #define M66592_D0FIFOSEL 0x24 101 #define M66592_D1FIFOSEL 0x2A 102 #define M66592_RCNT 0x8000 /* b15: Read count mode */ 103 #define M66592_REW 0x4000 /* b14: Buffer rewind */ 104 #define M66592_DCLRM 0x2000 /* b13: DMA buffer clear mode */ 105 #define M66592_DREQE 0x1000 /* b12: DREQ output enable */ 106 #define M66592_MBW_8 0x0000 /* 8bit */ 107 #define M66592_MBW_16 0x0400 /* 16bit */ 108 #define M66592_MBW_32 0x0800 /* 32bit */ 109 #define M66592_TRENB 0x0200 /* b9: Transaction counter enable */ 110 #define M66592_TRCLR 0x0100 /* b8: Transaction counter clear */ 111 #define M66592_DEZPM 0x0080 /* b7: Zero-length packet mode */ 112 #define M66592_ISEL 0x0020 /* b5: DCP FIFO port direction select */ 113 #define M66592_CURPIPE 0x0007 /* b2-0: PIPE select */ 114 115 #define M66592_CFIFOCTR 0x20 116 #define M66592_D0FIFOCTR 0x26 117 #define M66592_D1FIFOCTR 0x2c 118 #define M66592_BVAL 0x8000 /* b15: Buffer valid flag */ 119 #define M66592_BCLR 0x4000 /* b14: Buffer clear */ 120 #define M66592_FRDY 0x2000 /* b13: FIFO ready */ 121 #define M66592_DTLN 0x0FFF /* b11-0: FIFO received data length */ 122 123 #define M66592_CFIFOSIE 0x22 124 #define M66592_TGL 0x8000 /* b15: Buffer toggle */ 125 #define M66592_SCLR 0x4000 /* b14: Buffer clear */ 126 #define M66592_SBUSY 0x2000 /* b13: SIE_FIFO busy */ 127 128 #define M66592_D0FIFOTRN 0x28 129 #define M66592_D1FIFOTRN 0x2E 130 #define M66592_TRNCNT 0xFFFF /* b15-0: Transaction counter */ 131 132 #define M66592_INTENB0 0x30 133 #define M66592_VBSE 0x8000 /* b15: VBUS interrupt */ 134 #define M66592_RSME 0x4000 /* b14: Resume interrupt */ 135 #define M66592_SOFE 0x2000 /* b13: Frame update interrupt */ 136 #define M66592_DVSE 0x1000 /* b12: Device state transition interrupt */ 137 #define M66592_CTRE 0x0800 /* b11: Control transfer stage transition irq */ 138 #define M66592_BEMPE 0x0400 /* b10: Buffer empty interrupt */ 139 #define M66592_NRDYE 0x0200 /* b9: Buffer not ready interrupt */ 140 #define M66592_BRDYE 0x0100 /* b8: Buffer ready interrupt */ 141 #define M66592_URST 0x0080 /* b7: USB reset detected interrupt */ 142 #define M66592_SADR 0x0040 /* b6: Set address executed interrupt */ 143 #define M66592_SCFG 0x0020 /* b5: Set configuration executed interrupt */ 144 #define M66592_SUSP 0x0010 /* b4: Suspend detected interrupt */ 145 #define M66592_WDST 0x0008 /* b3: Control write data stage completed irq */ 146 #define M66592_RDST 0x0004 /* b2: Control read data stage completed irq */ 147 #define M66592_CMPL 0x0002 /* b1: Control transfer complete interrupt */ 148 #define M66592_SERR 0x0001 /* b0: Sequence error interrupt */ 149 150 #define M66592_INTENB1 0x32 151 #define M66592_BCHGE 0x4000 /* b14: USB us chenge interrupt */ 152 #define M66592_DTCHE 0x1000 /* b12: Detach sense interrupt */ 153 #define M66592_SIGNE 0x0020 /* b5: SETUP IGNORE interrupt */ 154 #define M66592_SACKE 0x0010 /* b4: SETUP ACK interrupt */ 155 #define M66592_BRDYM 0x0004 /* b2: BRDY clear timing */ 156 #define M66592_INTL 0x0002 /* b1: Interrupt sense select */ 157 #define M66592_PCSE 0x0001 /* b0: PCUT enable by CS assert */ 158 159 #define M66592_BRDYENB 0x36 160 #define M66592_BRDYSTS 0x46 161 #define M66592_BRDY7 0x0080 /* b7: PIPE7 */ 162 #define M66592_BRDY6 0x0040 /* b6: PIPE6 */ 163 #define M66592_BRDY5 0x0020 /* b5: PIPE5 */ 164 #define M66592_BRDY4 0x0010 /* b4: PIPE4 */ 165 #define M66592_BRDY3 0x0008 /* b3: PIPE3 */ 166 #define M66592_BRDY2 0x0004 /* b2: PIPE2 */ 167 #define M66592_BRDY1 0x0002 /* b1: PIPE1 */ 168 #define M66592_BRDY0 0x0001 /* b1: PIPE0 */ 169 170 #define M66592_NRDYENB 0x38 171 #define M66592_NRDYSTS 0x48 172 #define M66592_NRDY7 0x0080 /* b7: PIPE7 */ 173 #define M66592_NRDY6 0x0040 /* b6: PIPE6 */ 174 #define M66592_NRDY5 0x0020 /* b5: PIPE5 */ 175 #define M66592_NRDY4 0x0010 /* b4: PIPE4 */ 176 #define M66592_NRDY3 0x0008 /* b3: PIPE3 */ 177 #define M66592_NRDY2 0x0004 /* b2: PIPE2 */ 178 #define M66592_NRDY1 0x0002 /* b1: PIPE1 */ 179 #define M66592_NRDY0 0x0001 /* b1: PIPE0 */ 180 181 #define M66592_BEMPENB 0x3A 182 #define M66592_BEMPSTS 0x4A 183 #define M66592_BEMP7 0x0080 /* b7: PIPE7 */ 184 #define M66592_BEMP6 0x0040 /* b6: PIPE6 */ 185 #define M66592_BEMP5 0x0020 /* b5: PIPE5 */ 186 #define M66592_BEMP4 0x0010 /* b4: PIPE4 */ 187 #define M66592_BEMP3 0x0008 /* b3: PIPE3 */ 188 #define M66592_BEMP2 0x0004 /* b2: PIPE2 */ 189 #define M66592_BEMP1 0x0002 /* b1: PIPE1 */ 190 #define M66592_BEMP0 0x0001 /* b0: PIPE0 */ 191 192 #define M66592_SOFCFG 0x3C 193 #define M66592_SOFM 0x000C /* b3-2: SOF palse mode */ 194 #define M66592_SOF_125US 0x0008 /* SOF OUT 125us uFrame Signal */ 195 #define M66592_SOF_1MS 0x0004 /* SOF OUT 1ms Frame Signal */ 196 #define M66592_SOF_DISABLE 0x0000 /* SOF OUT Disable */ 197 198 #define M66592_INTSTS0 0x40 199 #define M66592_VBINT 0x8000 /* b15: VBUS interrupt */ 200 #define M66592_RESM 0x4000 /* b14: Resume interrupt */ 201 #define M66592_SOFR 0x2000 /* b13: SOF frame update interrupt */ 202 #define M66592_DVST 0x1000 /* b12: Device state transition */ 203 #define M66592_CTRT 0x0800 /* b11: Control stage transition */ 204 #define M66592_BEMP 0x0400 /* b10: Buffer empty interrupt */ 205 #define M66592_NRDY 0x0200 /* b9: Buffer not ready interrupt */ 206 #define M66592_BRDY 0x0100 /* b8: Buffer ready interrupt */ 207 #define M66592_VBSTS 0x0080 /* b7: VBUS input port */ 208 #define M66592_DVSQ 0x0070 /* b6-4: Device state */ 209 #define M66592_DS_SPD_CNFG 0x0070 /* Suspend Configured */ 210 #define M66592_DS_SPD_ADDR 0x0060 /* Suspend Address */ 211 #define M66592_DS_SPD_DFLT 0x0050 /* Suspend Default */ 212 #define M66592_DS_SPD_POWR 0x0040 /* Suspend Powered */ 213 #define M66592_DS_SUSP 0x0040 /* Suspend */ 214 #define M66592_DS_CNFG 0x0030 /* Configured */ 215 #define M66592_DS_ADDS 0x0020 /* Address */ 216 #define M66592_DS_DFLT 0x0010 /* Default */ 217 #define M66592_DS_POWR 0x0000 /* Powered */ 218 #define M66592_DVSQS 0x0030 /* b5-4: Device state */ 219 #define M66592_VALID 0x0008 /* b3: Setup packet detected flag */ 220 #define M66592_CTSQ 0x0007 /* b2-0: Control transfer stage */ 221 #define M66592_CS_SQER 0x0006 /* Sequence error */ 222 #define M66592_CS_WRND 0x0005 /* Control write nodata status */ 223 #define M66592_CS_WRSS 0x0004 /* Control write status stage */ 224 #define M66592_CS_WRDS 0x0003 /* Control write data stage */ 225 #define M66592_CS_RDSS 0x0002 /* Control read status stage */ 226 #define M66592_CS_RDDS 0x0001 /* Control read data stage */ 227 #define M66592_CS_IDST 0x0000 /* Idle or setup stage */ 228 229 #define M66592_INTSTS1 0x42 230 #define M66592_BCHG 0x4000 /* b14: USB bus chenge interrupt */ 231 #define M66592_DTCH 0x1000 /* b12: Detach sense interrupt */ 232 #define M66592_SIGN 0x0020 /* b5: SETUP IGNORE interrupt */ 233 #define M66592_SACK 0x0010 /* b4: SETUP ACK interrupt */ 234 235 #define M66592_FRMNUM 0x4C 236 #define M66592_OVRN 0x8000 /* b15: Overrun error */ 237 #define M66592_CRCE 0x4000 /* b14: Received data error */ 238 #define M66592_SOFRM 0x0800 /* b11: SOF output mode */ 239 #define M66592_FRNM 0x07FF /* b10-0: Frame number */ 240 241 #define M66592_UFRMNUM 0x4E 242 #define M66592_UFRNM 0x0007 /* b2-0: Micro frame number */ 243 244 #define M66592_RECOVER 0x50 245 #define M66592_STSRECOV 0x0700 /* Status recovery */ 246 #define M66592_STSR_HI 0x0400 /* FULL(0) or HI(1) Speed */ 247 #define M66592_STSR_DEFAULT 0x0100 /* Default state */ 248 #define M66592_STSR_ADDRESS 0x0200 /* Address state */ 249 #define M66592_STSR_CONFIG 0x0300 /* Configured state */ 250 #define M66592_USBADDR 0x007F /* b6-0: USB address */ 251 252 #define M66592_USBREQ 0x54 253 #define M66592_bRequest 0xFF00 /* b15-8: bRequest */ 254 #define M66592_GET_STATUS 0x0000 255 #define M66592_CLEAR_FEATURE 0x0100 256 #define M66592_ReqRESERVED 0x0200 257 #define M66592_SET_FEATURE 0x0300 258 #define M66592_ReqRESERVED1 0x0400 259 #define M66592_SET_ADDRESS 0x0500 260 #define M66592_GET_DESCRIPTOR 0x0600 261 #define M66592_SET_DESCRIPTOR 0x0700 262 #define M66592_GET_CONFIGURATION 0x0800 263 #define M66592_SET_CONFIGURATION 0x0900 264 #define M66592_GET_INTERFACE 0x0A00 265 #define M66592_SET_INTERFACE 0x0B00 266 #define M66592_SYNCH_FRAME 0x0C00 267 #define M66592_bmRequestType 0x00FF /* b7-0: bmRequestType */ 268 #define M66592_bmRequestTypeDir 0x0080 /* b7 : Data direction */ 269 #define M66592_HOST_TO_DEVICE 0x0000 270 #define M66592_DEVICE_TO_HOST 0x0080 271 #define M66592_bmRequestTypeType 0x0060 /* b6-5: Type */ 272 #define M66592_STANDARD 0x0000 273 #define M66592_CLASS 0x0020 274 #define M66592_VENDOR 0x0040 275 #define M66592_bmRequestTypeRecip 0x001F /* b4-0: Recipient */ 276 #define M66592_DEVICE 0x0000 277 #define M66592_INTERFACE 0x0001 278 #define M66592_ENDPOINT 0x0002 279 280 #define M66592_USBVAL 0x56 281 #define M66592_wValue 0xFFFF /* b15-0: wValue */ 282 /* Standard Feature Selector */ 283 #define M66592_ENDPOINT_HALT 0x0000 284 #define M66592_DEVICE_REMOTE_WAKEUP 0x0001 285 #define M66592_TEST_MODE 0x0002 286 /* Descriptor Types */ 287 #define M66592_DT_TYPE 0xFF00 288 #define M66592_GET_DT_TYPE(v) (((v) & DT_TYPE) >> 8) 289 #define M66592_DT_DEVICE 0x01 290 #define M66592_DT_CONFIGURATION 0x02 291 #define M66592_DT_STRING 0x03 292 #define M66592_DT_INTERFACE 0x04 293 #define M66592_DT_ENDPOINT 0x05 294 #define M66592_DT_DEVICE_QUALIFIER 0x06 295 #define M66592_DT_OTHER_SPEED_CONFIGURATION 0x07 296 #define M66592_DT_INTERFACE_POWER 0x08 297 #define M66592_DT_INDEX 0x00FF 298 #define M66592_CONF_NUM 0x00FF 299 #define M66592_ALT_SET 0x00FF 300 301 #define M66592_USBINDEX 0x58 302 #define M66592_wIndex 0xFFFF /* b15-0: wIndex */ 303 #define M66592_TEST_SELECT 0xFF00 /* b15-b8: Test Mode */ 304 #define M66592_TEST_J 0x0100 /* Test_J */ 305 #define M66592_TEST_K 0x0200 /* Test_K */ 306 #define M66592_TEST_SE0_NAK 0x0300 /* Test_SE0_NAK */ 307 #define M66592_TEST_PACKET 0x0400 /* Test_Packet */ 308 #define M66592_TEST_FORCE_ENABLE 0x0500 /* Test_Force_Enable */ 309 #define M66592_TEST_STSelectors 0x0600 /* Standard test selectors */ 310 #define M66592_TEST_Reserved 0x4000 /* Reserved */ 311 #define M66592_TEST_VSTModes 0xC000 /* Vendor-specific tests */ 312 #define M66592_EP_DIR 0x0080 /* b7: Endpoint Direction */ 313 #define M66592_EP_DIR_IN 0x0080 314 #define M66592_EP_DIR_OUT 0x0000 315 316 #define M66592_USBLENG 0x5A 317 #define M66592_wLength 0xFFFF /* b15-0: wLength */ 318 319 #define M66592_DCPCFG 0x5C 320 #define M66592_CNTMD 0x0100 /* b8: Continuous transfer mode */ 321 #define M66592_DIR 0x0010 /* b4: Control transfer DIR select */ 322 323 #define M66592_DCPMAXP 0x5E 324 #define M66592_DEVSEL 0xC000 /* b15-14: Device address select */ 325 #define M66592_DEVICE_0 0x0000 /* Device address 0 */ 326 #define M66592_DEVICE_1 0x4000 /* Device address 1 */ 327 #define M66592_DEVICE_2 0x8000 /* Device address 2 */ 328 #define M66592_DEVICE_3 0xC000 /* Device address 3 */ 329 #define M66592_MAXP 0x007F /* b6-0: Maxpacket size of ep0 */ 330 331 #define M66592_DCPCTR 0x60 332 #define M66592_BSTS 0x8000 /* b15: Buffer status */ 333 #define M66592_SUREQ 0x4000 /* b14: Send USB request */ 334 #define M66592_SQCLR 0x0100 /* b8: Sequence toggle bit clear */ 335 #define M66592_SQSET 0x0080 /* b7: Sequence toggle bit set */ 336 #define M66592_SQMON 0x0040 /* b6: Sequence toggle bit monitor */ 337 #define M66592_CCPL 0x0004 /* b2: control transfer complete */ 338 #define M66592_PID 0x0003 /* b1-0: Response PID */ 339 #define M66592_PID_STALL 0x0002 /* STALL */ 340 #define M66592_PID_BUF 0x0001 /* BUF */ 341 #define M66592_PID_NAK 0x0000 /* NAK */ 342 343 #define M66592_PIPESEL 0x64 344 #define M66592_PIPENM 0x0007 /* b2-0: Pipe select */ 345 #define M66592_PIPE0 0x0000 /* PIPE 0 */ 346 #define M66592_PIPE1 0x0001 /* PIPE 1 */ 347 #define M66592_PIPE2 0x0002 /* PIPE 2 */ 348 #define M66592_PIPE3 0x0003 /* PIPE 3 */ 349 #define M66592_PIPE4 0x0004 /* PIPE 4 */ 350 #define M66592_PIPE5 0x0005 /* PIPE 5 */ 351 #define M66592_PIPE6 0x0006 /* PIPE 6 */ 352 #define M66592_PIPE7 0x0007 /* PIPE 7 */ 353 354 #define M66592_PIPECFG 0x66 355 #define M66592_TYP 0xC000 /* b15-14: Transfer type */ 356 #define M66592_ISO 0xC000 /* Isochronous */ 357 #define M66592_INT 0x8000 /* Interrupt */ 358 #define M66592_BULK 0x4000 /* Bulk */ 359 #define M66592_BFRE 0x0400 /* b10: Buffer ready interrupt mode */ 360 #define M66592_DBLB 0x0200 /* b9: Double buffer mode select */ 361 #define M66592_CNTMD 0x0100 /* b8: Continuous transfer mode */ 362 #define M66592_SHTNAK 0x0080 /* b7: Transfer end NAK */ 363 #define M66592_DIR 0x0010 /* b4: Transfer direction select */ 364 #define M66592_DIR_H_OUT 0x0010 /* HOST OUT */ 365 #define M66592_DIR_P_IN 0x0010 /* PERI IN */ 366 #define M66592_DIR_H_IN 0x0000 /* HOST IN */ 367 #define M66592_DIR_P_OUT 0x0000 /* PERI OUT */ 368 #define M66592_EPNUM 0x000F /* b3-0: Eendpoint number select */ 369 #define M66592_EP1 0x0001 370 #define M66592_EP2 0x0002 371 #define M66592_EP3 0x0003 372 #define M66592_EP4 0x0004 373 #define M66592_EP5 0x0005 374 #define M66592_EP6 0x0006 375 #define M66592_EP7 0x0007 376 #define M66592_EP8 0x0008 377 #define M66592_EP9 0x0009 378 #define M66592_EP10 0x000A 379 #define M66592_EP11 0x000B 380 #define M66592_EP12 0x000C 381 #define M66592_EP13 0x000D 382 #define M66592_EP14 0x000E 383 #define M66592_EP15 0x000F 384 385 #define M66592_PIPEBUF 0x68 386 #define M66592_BUFSIZE 0x7C00 /* b14-10: Pipe buffer size */ 387 #define M66592_BUF_SIZE(x) ((((x) / 64) - 1) << 10) 388 #define M66592_BUFNMB 0x00FF /* b7-0: Pipe buffer number */ 389 390 #define M66592_PIPEMAXP 0x6A 391 #define M66592_MXPS 0x07FF /* b10-0: Maxpacket size */ 392 393 #define M66592_PIPEPERI 0x6C 394 #define M66592_IFIS 0x1000 /* b12: ISO in-buffer flush mode */ 395 #define M66592_IITV 0x0007 /* b2-0: ISO interval */ 396 397 #define M66592_PIPE1CTR 0x70 398 #define M66592_PIPE2CTR 0x72 399 #define M66592_PIPE3CTR 0x74 400 #define M66592_PIPE4CTR 0x76 401 #define M66592_PIPE5CTR 0x78 402 #define M66592_PIPE6CTR 0x7A 403 #define M66592_PIPE7CTR 0x7C 404 #define M66592_BSTS 0x8000 /* b15: Buffer status */ 405 #define M66592_INBUFM 0x4000 /* b14: IN buffer monitor (PIPE 1-5) */ 406 #define M66592_ACLRM 0x0200 /* b9: Out buffer auto clear mode */ 407 #define M66592_SQCLR 0x0100 /* b8: Sequence toggle bit clear */ 408 #define M66592_SQSET 0x0080 /* b7: Sequence toggle bit set */ 409 #define M66592_SQMON 0x0040 /* b6: Sequence toggle bit monitor */ 410 #define M66592_PID 0x0003 /* b1-0: Response PID */ 411 412 #define M66592_INVALID_REG 0x7E 413 414 415 #define get_pipectr_addr(pipenum) (M66592_PIPE1CTR + (pipenum - 1) * 2) 416 417 #define M66592_MAX_SAMPLING 10 418 419 #define M66592_MAX_NUM_PIPE 8 420 #define M66592_MAX_NUM_BULK 3 421 #define M66592_MAX_NUM_ISOC 2 422 #define M66592_MAX_NUM_INT 2 423 424 #define M66592_BASE_PIPENUM_BULK 3 425 #define M66592_BASE_PIPENUM_ISOC 1 426 #define M66592_BASE_PIPENUM_INT 6 427 428 #define M66592_BASE_BUFNUM 6 429 #define M66592_MAX_BUFNUM 0x4F 430 431 struct m66592_pipe_info { 432 u16 pipe; 433 u16 epnum; 434 u16 maxpacket; 435 u16 type; 436 u16 interval; 437 u16 dir_in; 438 }; 439 440 struct m66592_request { 441 struct usb_request req; 442 struct list_head queue; 443 }; 444 445 struct m66592_ep { 446 struct usb_ep ep; 447 struct m66592 *m66592; 448 449 struct list_head queue; 450 unsigned busy:1; 451 unsigned internal_ccpl:1; /* use only control */ 452 453 /* this member can able to after m66592_enable */ 454 unsigned use_dma:1; 455 u16 pipenum; 456 u16 type; 457 458 /* register address */ 459 unsigned long fifoaddr; 460 unsigned long fifosel; 461 unsigned long fifoctr; 462 unsigned long fifotrn; 463 unsigned long pipectr; 464 }; 465 466 struct m66592 { 467 spinlock_t lock; 468 void __iomem *reg; 469 struct clk *clk; 470 struct m66592_platdata *pdata; 471 unsigned long irq_trigger; 472 473 struct usb_gadget gadget; 474 struct usb_gadget_driver *driver; 475 476 struct m66592_ep ep[M66592_MAX_NUM_PIPE]; 477 struct m66592_ep *pipenum2ep[M66592_MAX_NUM_PIPE]; 478 struct m66592_ep *epaddr2ep[16]; 479 480 struct usb_request *ep0_req; /* for internal request */ 481 __le16 ep0_data; /* for internal request */ 482 u16 old_vbus; 483 484 struct timer_list timer; 485 486 int scount; 487 488 int old_dvsq; 489 490 /* pipe config */ 491 int bulk; 492 int interrupt; 493 int isochronous; 494 int num_dma; 495 }; 496 #define to_m66592(g) (container_of((g), struct m66592, gadget)) 497 498 #define gadget_to_m66592(_gadget) container_of(_gadget, struct m66592, gadget) 499 #define m66592_to_gadget(m66592) (&m66592->gadget) 500 501 #define is_bulk_pipe(pipenum) \ 502 ((pipenum >= M66592_BASE_PIPENUM_BULK) && \ 503 (pipenum < (M66592_BASE_PIPENUM_BULK + M66592_MAX_NUM_BULK))) 504 #define is_interrupt_pipe(pipenum) \ 505 ((pipenum >= M66592_BASE_PIPENUM_INT) && \ 506 (pipenum < (M66592_BASE_PIPENUM_INT + M66592_MAX_NUM_INT))) 507 #define is_isoc_pipe(pipenum) \ 508 ((pipenum >= M66592_BASE_PIPENUM_ISOC) && \ 509 (pipenum < (M66592_BASE_PIPENUM_ISOC + M66592_MAX_NUM_ISOC))) 510 511 #define enable_irq_ready(m66592, pipenum) \ 512 enable_pipe_irq(m66592, pipenum, M66592_BRDYENB) 513 #define disable_irq_ready(m66592, pipenum) \ 514 disable_pipe_irq(m66592, pipenum, M66592_BRDYENB) 515 #define enable_irq_empty(m66592, pipenum) \ 516 enable_pipe_irq(m66592, pipenum, M66592_BEMPENB) 517 #define disable_irq_empty(m66592, pipenum) \ 518 disable_pipe_irq(m66592, pipenum, M66592_BEMPENB) 519 #define enable_irq_nrdy(m66592, pipenum) \ 520 enable_pipe_irq(m66592, pipenum, M66592_NRDYENB) 521 #define disable_irq_nrdy(m66592, pipenum) \ 522 disable_pipe_irq(m66592, pipenum, M66592_NRDYENB) 523 524 /*-------------------------------------------------------------------------*/ 525 static inline u16 m66592_read(struct m66592 *m66592, unsigned long offset) 526 { 527 return ioread16(m66592->reg + offset); 528 } 529 530 static inline void m66592_read_fifo(struct m66592 *m66592, 531 unsigned long offset, 532 void *buf, unsigned long len) 533 { 534 void __iomem *fifoaddr = m66592->reg + offset; 535 536 if (m66592->pdata->on_chip) { 537 len = (len + 3) / 4; 538 ioread32_rep(fifoaddr, buf, len); 539 } else { 540 len = (len + 1) / 2; 541 ioread16_rep(fifoaddr, buf, len); 542 } 543 } 544 545 static inline void m66592_write(struct m66592 *m66592, u16 val, 546 unsigned long offset) 547 { 548 iowrite16(val, m66592->reg + offset); 549 } 550 551 static inline void m66592_mdfy(struct m66592 *m66592, u16 val, u16 pat, 552 unsigned long offset) 553 { 554 u16 tmp; 555 tmp = m66592_read(m66592, offset); 556 tmp = tmp & (~pat); 557 tmp = tmp | val; 558 m66592_write(m66592, tmp, offset); 559 } 560 561 #define m66592_bclr(m66592, val, offset) \ 562 m66592_mdfy(m66592, 0, val, offset) 563 #define m66592_bset(m66592, val, offset) \ 564 m66592_mdfy(m66592, val, 0, offset) 565 566 static inline void m66592_write_fifo(struct m66592 *m66592, 567 struct m66592_ep *ep, 568 void *buf, unsigned long len) 569 { 570 void __iomem *fifoaddr = m66592->reg + ep->fifoaddr; 571 572 if (m66592->pdata->on_chip) { 573 unsigned long count; 574 unsigned char *pb; 575 int i; 576 577 count = len / 4; 578 iowrite32_rep(fifoaddr, buf, count); 579 580 if (len & 0x00000003) { 581 pb = buf + count * 4; 582 for (i = 0; i < (len & 0x00000003); i++) { 583 if (m66592_read(m66592, M66592_CFBCFG)) /* le */ 584 iowrite8(pb[i], fifoaddr + (3 - i)); 585 else 586 iowrite8(pb[i], fifoaddr + i); 587 } 588 } 589 } else { 590 unsigned long odd = len & 0x0001; 591 592 len = len / 2; 593 iowrite16_rep(fifoaddr, buf, len); 594 if (odd) { 595 unsigned char *p = buf + len*2; 596 if (m66592->pdata->wr0_shorted_to_wr1) 597 m66592_bclr(m66592, M66592_MBW_16, ep->fifosel); 598 iowrite8(*p, fifoaddr); 599 if (m66592->pdata->wr0_shorted_to_wr1) 600 m66592_bset(m66592, M66592_MBW_16, ep->fifosel); 601 } 602 } 603 } 604 605 #endif /* ifndef __M66592_UDC_H__ */ 606 607 608