drivers/usb/isp1760/isp1760-regs.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Driver for the NXP ISP1760 chip
   4  *
   5  * Copyright 2021 Linaro, Rui Miguel Silva
   6  * Copyright 2014 Laurent Pinchart
   7  * Copyright 2007 Sebastian Siewior
   8  *
   9  * Contacts:
  10  *     Sebastian Siewior <bigeasy@linutronix.de>
  11  *     Laurent Pinchart <laurent.pinchart@ideasonboard.com>
  12  *     Rui Miguel Silva <rui.silva@linaro.org>
  13  */
  14
  15 #ifndef _ISP176x_REGS_H_
  16 #define _ISP176x_REGS_H_
  17
  18 /* -----------------------------------------------------------------------------
  19  * Host Controller
  20  */
  21
  22 /* ISP1760/31 */
  23 /* EHCI capability registers */
  24 #define ISP176x_HC_VERSION              0x002
  25 #define ISP176x_HC_HCSPARAMS            0x004
  26 #define ISP176x_HC_HCCPARAMS            0x008
  27
  28 /* EHCI operational registers */
  29 #define ISP176x_HC_USBCMD               0x020
  30 #define ISP176x_HC_USBSTS               0x024
  31 #define ISP176x_HC_FRINDEX              0x02c
  32
  33 #define ISP176x_HC_CONFIGFLAG           0x060
  34 #define ISP176x_HC_PORTSC1              0x064
  35
  36 #define ISP176x_HC_ISO_PTD_DONEMAP      0x130
  37 #define ISP176x_HC_ISO_PTD_SKIPMAP      0x134
  38 #define ISP176x_HC_ISO_PTD_LASTPTD      0x138
  39 #define ISP176x_HC_INT_PTD_DONEMAP      0x140
  40 #define ISP176x_HC_INT_PTD_SKIPMAP      0x144
  41 #define ISP176x_HC_INT_PTD_LASTPTD      0x148
  42 #define ISP176x_HC_ATL_PTD_DONEMAP      0x150
  43 #define ISP176x_HC_ATL_PTD_SKIPMAP      0x154
  44 #define ISP176x_HC_ATL_PTD_LASTPTD      0x158
  45
  46 /* Configuration Register */
  47 #define ISP176x_HC_HW_MODE_CTRL         0x300
  48 #define ISP176x_HC_CHIP_ID              0x304
  49 #define ISP176x_HC_SCRATCH              0x308
  50 #define ISP176x_HC_RESET                0x30c
  51 #define ISP176x_HC_BUFFER_STATUS        0x334
  52 #define ISP176x_HC_MEMORY               0x33c
  53
  54 /* Interrupt Register */
  55 #define ISP176x_HC_INTERRUPT            0x310
  56 #define ISP176x_HC_INTERRUPT_ENABLE     0x314
  57 #define ISP176x_HC_ISO_IRQ_MASK_OR      0x318
  58 #define ISP176x_HC_INT_IRQ_MASK_OR      0x31c
  59 #define ISP176x_HC_ATL_IRQ_MASK_OR      0x320
  60 #define ISP176x_HC_ISO_IRQ_MASK_AND     0x324
  61 #define ISP176x_HC_INT_IRQ_MASK_AND     0x328
  62 #define ISP176x_HC_ATL_IRQ_MASK_AND     0x32c
  63
  64 #define ISP176x_HC_OTG_CTRL             0x374
  65 #define ISP176x_HC_OTG_CTRL_SET         0x374
  66 #define ISP176x_HC_OTG_CTRL_CLEAR       0x376
  67
  68 enum isp176x_host_controller_fields {
  69         /* HC_PORTSC1 */
  70         PORT_OWNER, PORT_POWER, PORT_LSTATUS, PORT_RESET, PORT_SUSPEND,
  71         PORT_RESUME, PORT_PE, PORT_CSC, PORT_CONNECT,
  72         /* HC_HCSPARAMS */
  73         HCS_PPC, HCS_N_PORTS,
  74         /* HC_HCCPARAMS */
  75         HCC_ISOC_CACHE, HCC_ISOC_THRES,
  76         /* HC_USBCMD */
  77         CMD_LRESET, CMD_RESET, CMD_RUN,
  78         /* HC_USBSTS */
  79         STS_PCD,
  80         /* HC_FRINDEX */
  81         HC_FRINDEX,
  82         /* HC_CONFIGFLAG */
  83         FLAG_CF,
  84         /* ISO/INT/ATL PTD */
  85         HC_ISO_PTD_DONEMAP, HC_ISO_PTD_SKIPMAP, HC_ISO_PTD_LASTPTD,
  86         HC_INT_PTD_DONEMAP, HC_INT_PTD_SKIPMAP, HC_INT_PTD_LASTPTD,
  87         HC_ATL_PTD_DONEMAP, HC_ATL_PTD_SKIPMAP, HC_ATL_PTD_LASTPTD,
  88         /* HC_HW_MODE_CTRL */
  89         ALL_ATX_RESET, HW_ANA_DIGI_OC, HW_DEV_DMA, HW_COMN_IRQ, HW_COMN_DMA,
  90         HW_DATA_BUS_WIDTH, HW_DACK_POL_HIGH, HW_DREQ_POL_HIGH, HW_INTR_HIGH_ACT,
  91         HW_INTF_LOCK, HW_INTR_EDGE_TRIG, HW_GLOBAL_INTR_EN,
  92         /* HC_CHIP_ID */
  93         HC_CHIP_ID_HIGH, HC_CHIP_ID_LOW, HC_CHIP_REV,
  94         /* HC_SCRATCH */
  95         HC_SCRATCH,
  96         /* HC_RESET */
  97         SW_RESET_RESET_ATX, SW_RESET_RESET_HC, SW_RESET_RESET_ALL,
  98         /* HC_BUFFER_STATUS */
  99         ISO_BUF_FILL, INT_BUF_FILL, ATL_BUF_FILL,
 100         /* HC_MEMORY */
 101         MEM_BANK_SEL, MEM_START_ADDR,
 102         /* HC_DATA */
 103         HC_DATA,
 104         /* HC_INTERRUPT */
 105         HC_INTERRUPT,
 106         /* HC_INTERRUPT_ENABLE */
 107         HC_INT_IRQ_ENABLE, HC_ATL_IRQ_ENABLE,
 108         /* INTERRUPT MASKS */
 109         HC_ISO_IRQ_MASK_OR, HC_INT_IRQ_MASK_OR, HC_ATL_IRQ_MASK_OR,
 110         HC_ISO_IRQ_MASK_AND, HC_INT_IRQ_MASK_AND, HC_ATL_IRQ_MASK_AND,
 111         /* HW_OTG_CTRL_SET */
 112         HW_OTG_DISABLE, HW_SW_SEL_HC_DC, HW_VBUS_DRV, HW_SEL_CP_EXT,
 113         HW_DM_PULLDOWN, HW_DP_PULLDOWN, HW_DP_PULLUP, HW_HC_2_DIS,
 114         /* HW_OTG_CTRL_CLR */
 115         HW_OTG_DISABLE_CLEAR, HW_SW_SEL_HC_DC_CLEAR, HW_VBUS_DRV_CLEAR,
 116         HW_SEL_CP_EXT_CLEAR, HW_DM_PULLDOWN_CLEAR, HW_DP_PULLDOWN_CLEAR,
 117         HW_DP_PULLUP_CLEAR, HW_HC_2_DIS_CLEAR,
 118         /* Last element */
 119         HC_FIELD_MAX,
 120 };
 121
 122 /* ISP1763 */
 123 /* EHCI operational registers */
 124 #define ISP1763_HC_USBCMD               0x8c
 125 #define ISP1763_HC_USBSTS               0x90
 126 #define ISP1763_HC_FRINDEX              0x98
 127
 128 #define ISP1763_HC_CONFIGFLAG           0x9c
 129 #define ISP1763_HC_PORTSC1              0xa0
 130
 131 #define ISP1763_HC_ISO_PTD_DONEMAP      0xa4
 132 #define ISP1763_HC_ISO_PTD_SKIPMAP      0xa6
 133 #define ISP1763_HC_ISO_PTD_LASTPTD      0xa8
 134 #define ISP1763_HC_INT_PTD_DONEMAP      0xaa
 135 #define ISP1763_HC_INT_PTD_SKIPMAP      0xac
 136 #define ISP1763_HC_INT_PTD_LASTPTD      0xae
 137 #define ISP1763_HC_ATL_PTD_DONEMAP      0xb0
 138 #define ISP1763_HC_ATL_PTD_SKIPMAP      0xb2
 139 #define ISP1763_HC_ATL_PTD_LASTPTD      0xb4
 140
 141 /* Configuration Register */
 142 #define ISP1763_HC_HW_MODE_CTRL         0xb6
 143 #define ISP1763_HC_CHIP_REV             0x70
 144 #define ISP1763_HC_CHIP_ID              0x72
 145 #define ISP1763_HC_SCRATCH              0x78
 146 #define ISP1763_HC_RESET                0xb8
 147 #define ISP1763_HC_BUFFER_STATUS        0xba
 148 #define ISP1763_HC_MEMORY               0xc4
 149 #define ISP1763_HC_DATA                 0xc6
 150
 151 /* Interrupt Register */
 152 #define ISP1763_HC_INTERRUPT            0xd4
 153 #define ISP1763_HC_INTERRUPT_ENABLE     0xd6
 154 #define ISP1763_HC_ISO_IRQ_MASK_OR      0xd8
 155 #define ISP1763_HC_INT_IRQ_MASK_OR      0xda
 156 #define ISP1763_HC_ATL_IRQ_MASK_OR      0xdc
 157 #define ISP1763_HC_ISO_IRQ_MASK_AND     0xde
 158 #define ISP1763_HC_INT_IRQ_MASK_AND     0xe0
 159 #define ISP1763_HC_ATL_IRQ_MASK_AND     0xe2
 160
 161 #define ISP1763_HC_OTG_CTRL_SET         0xe4
 162 #define ISP1763_HC_OTG_CTRL_CLEAR       0xe6
 163
 164 /* -----------------------------------------------------------------------------
 165  * Peripheral Controller
 166  */
 167
 168 #define DC_IEPTX(n)                     (1 << (11 + 2 * (n)))
 169 #define DC_IEPRX(n)                     (1 << (10 + 2 * (n)))
 170 #define DC_IEPRXTX(n)                   (3 << (10 + 2 * (n)))
 171
 172 #define ISP176x_DC_CDBGMOD_ACK          BIT(6)
 173 #define ISP176x_DC_DDBGMODIN_ACK        BIT(4)
 174 #define ISP176x_DC_DDBGMODOUT_ACK       BIT(2)
 175
 176 #define ISP176x_DC_IEP0SETUP            BIT(8)
 177 #define ISP176x_DC_IEVBUS               BIT(7)
 178 #define ISP176x_DC_IEHS_STA             BIT(5)
 179 #define ISP176x_DC_IERESM               BIT(4)
 180 #define ISP176x_DC_IESUSP               BIT(3)
 181 #define ISP176x_DC_IEBRST               BIT(0)
 182
 183 #define ISP176x_HW_OTG_DISABLE_CLEAR    BIT(26)
 184 #define ISP176x_HW_SW_SEL_HC_DC_CLEAR   BIT(23)
 185 #define ISP176x_HW_VBUS_DRV_CLEAR       BIT(20)
 186 #define ISP176x_HW_SEL_CP_EXT_CLEAR     BIT(19)
 187 #define ISP176x_HW_DM_PULLDOWN_CLEAR    BIT(18)
 188 #define ISP176x_HW_DP_PULLDOWN_CLEAR    BIT(17)
 189 #define ISP176x_HW_DP_PULLUP_CLEAR      BIT(16)
 190 #define ISP176x_HW_OTG_DISABLE          BIT(10)
 191 #define ISP176x_HW_SW_SEL_HC_DC         BIT(7)
 192 #define ISP176x_HW_VBUS_DRV             BIT(4)
 193 #define ISP176x_HW_SEL_CP_EXT           BIT(3)
 194 #define ISP176x_HW_DM_PULLDOWN          BIT(2)
 195 #define ISP176x_HW_DP_PULLDOWN          BIT(1)
 196 #define ISP176x_HW_DP_PULLUP            BIT(0)
 197
 198 #define ISP176x_DC_ENDPTYP_ISOC         0x01
 199 #define ISP176x_DC_ENDPTYP_BULK         0x02
 200 #define ISP176x_DC_ENDPTYP_INTERRUPT    0x03
 201
 202 /* Initialization Registers */
 203 #define ISP176x_DC_ADDRESS              0x0200
 204 #define ISP176x_DC_MODE                 0x020c
 205 #define ISP176x_DC_INTCONF              0x0210
 206 #define ISP176x_DC_DEBUG                0x0212
 207 #define ISP176x_DC_INTENABLE            0x0214
 208
 209 /* Data Flow Registers */
 210 #define ISP176x_DC_EPMAXPKTSZ           0x0204
 211 #define ISP176x_DC_EPTYPE               0x0208
 212
 213 #define ISP176x_DC_BUFLEN               0x021c
 214 #define ISP176x_DC_BUFSTAT              0x021e
 215 #define ISP176x_DC_DATAPORT             0x0220
 216
 217 #define ISP176x_DC_CTRLFUNC             0x0228
 218 #define ISP176x_DC_EPINDEX              0x022c
 219
 220 /* DMA Registers */
 221 #define ISP176x_DC_DMACMD               0x0230
 222 #define ISP176x_DC_DMATXCOUNT           0x0234
 223 #define ISP176x_DC_DMACONF              0x0238
 224 #define ISP176x_DC_DMAHW                0x023c
 225 #define ISP176x_DC_DMAINTREASON         0x0250
 226 #define ISP176x_DC_DMAINTEN             0x0254
 227 #define ISP176x_DC_DMAEP                0x0258
 228 #define ISP176x_DC_DMABURSTCOUNT        0x0264
 229
 230 /* General Registers */
 231 #define ISP176x_DC_INTERRUPT            0x0218
 232 #define ISP176x_DC_CHIPID               0x0270
 233 #define ISP176x_DC_FRAMENUM             0x0274
 234 #define ISP176x_DC_SCRATCH              0x0278
 235 #define ISP176x_DC_UNLOCKDEV            0x027c
 236 #define ISP176x_DC_INTPULSEWIDTH        0x0280
 237 #define ISP176x_DC_TESTMODE             0x0284
 238
 239 enum isp176x_device_controller_fields {
 240         /* DC_ADDRESS */
 241         DC_DEVEN, DC_DEVADDR,
 242         /* DC_MODE */
 243         DC_VBUSSTAT, DC_SFRESET, DC_GLINTENA,
 244         /* DC_INTCONF */
 245         DC_CDBGMOD_ACK, DC_DDBGMODIN_ACK, DC_DDBGMODOUT_ACK, DC_INTPOL,
 246         /* DC_INTENABLE */
 247         DC_IEPRXTX_7, DC_IEPRXTX_6, DC_IEPRXTX_5, DC_IEPRXTX_4, DC_IEPRXTX_3,
 248         DC_IEPRXTX_2, DC_IEPRXTX_1, DC_IEPRXTX_0,
 249         DC_IEP0SETUP, DC_IEVBUS, DC_IEHS_STA, DC_IERESM, DC_IESUSP, DC_IEBRST,
 250         /* DC_EPINDEX */
 251         DC_EP0SETUP, DC_ENDPIDX, DC_EPDIR,
 252         /* DC_CTRLFUNC */
 253         DC_CLBUF, DC_VENDP, DC_DSEN, DC_STATUS, DC_STALL,
 254         /* DC_BUFLEN */
 255         DC_BUFLEN,
 256         /* DC_EPMAXPKTSZ */
 257         DC_FFOSZ,
 258         /* DC_EPTYPE */
 259         DC_EPENABLE, DC_ENDPTYP,
 260         /* DC_FRAMENUM */
 261         DC_FRAMENUM, DC_UFRAMENUM,
 262         /* DC_CHIP_ID */
 263         DC_CHIP_ID_HIGH, DC_CHIP_ID_LOW,
 264         /* DC_SCRATCH */
 265         DC_SCRATCH,
 266         /* Last element */
 267         DC_FIELD_MAX,
 268 };
 269
 270 /* ISP1763 */
 271 /* Initialization Registers */
 272 #define ISP1763_DC_ADDRESS              0x00
 273 #define ISP1763_DC_MODE                 0x0c
 274 #define ISP1763_DC_INTCONF              0x10
 275 #define ISP1763_DC_INTENABLE            0x14
 276
 277 /* Data Flow Registers */
 278 #define ISP1763_DC_EPMAXPKTSZ           0x04
 279 #define ISP1763_DC_EPTYPE               0x08
 280
 281 #define ISP1763_DC_BUFLEN               0x1c
 282 #define ISP1763_DC_BUFSTAT              0x1e
 283 #define ISP1763_DC_DATAPORT             0x20
 284
 285 #define ISP1763_DC_CTRLFUNC             0x28
 286 #define ISP1763_DC_EPINDEX              0x2c
 287
 288 /* DMA Registers */
 289 #define ISP1763_DC_DMACMD               0x30
 290 #define ISP1763_DC_DMATXCOUNT           0x34
 291 #define ISP1763_DC_DMACONF              0x38
 292 #define ISP1763_DC_DMAHW                0x3c
 293 #define ISP1763_DC_DMAINTREASON         0x50
 294 #define ISP1763_DC_DMAINTEN             0x54
 295 #define ISP1763_DC_DMAEP                0x58
 296 #define ISP1763_DC_DMABURSTCOUNT        0x64
 297
 298 /* General Registers */
 299 #define ISP1763_DC_INTERRUPT            0x18
 300 #define ISP1763_DC_CHIPID_LOW           0x70
 301 #define ISP1763_DC_CHIPID_HIGH          0x72
 302 #define ISP1763_DC_FRAMENUM             0x74
 303 #define ISP1763_DC_SCRATCH              0x78
 304 #define ISP1763_DC_UNLOCKDEV            0x7c
 305 #define ISP1763_DC_INTPULSEWIDTH        0x80
 306 #define ISP1763_DC_TESTMODE             0x84
 307
 308 #endif