1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * arch/arm/include/asm/hardware/sa1111.h 4 * 5 * Copyright (C) 2000 John G Dorsey <john+@cs.cmu.edu> 6 * 7 * This file contains definitions for the SA-1111 Companion Chip. 8 * (Structure and naming borrowed from SA-1101.h, by Peter Danielsson.) 9 * 10 * Macro that calculates real address for registers in the SA-1111 11 */ 12 13 #ifndef _ASM_ARCH_SA1111 14 #define _ASM_ARCH_SA1111 15 16 /* 17 * Don't ask the (SAC) DMA engines to move less than this amount. 18 */ 19 20 #define SA1111_SAC_DMA_MIN_XFER (0x800) 21 22 /* 23 * System Bus Interface (SBI) 24 * 25 * Registers 26 * SKCR Control Register 27 * SMCR Shared Memory Controller Register 28 * SKID ID Register 29 */ 30 #define SA1111_SKCR 0x0000 31 #define SA1111_SMCR 0x0004 32 #define SA1111_SKID 0x0008 33 34 #define SKCR_PLL_BYPASS (1<<0) 35 #define SKCR_RCLKEN (1<<1) 36 #define SKCR_SLEEP (1<<2) 37 #define SKCR_DOZE (1<<3) 38 #define SKCR_VCO_OFF (1<<4) 39 #define SKCR_SCANTSTEN (1<<5) 40 #define SKCR_CLKTSTEN (1<<6) 41 #define SKCR_RDYEN (1<<7) 42 #define SKCR_SELAC (1<<8) 43 #define SKCR_OPPC (1<<9) 44 #define SKCR_PLLTSTEN (1<<10) 45 #define SKCR_USBIOTSTEN (1<<11) 46 /* 47 * Don't believe the specs! Take them, throw them outside. Leave them 48 * there for a week. Spit on them. Walk on them. Stamp on them. 49 * Pour gasoline over them and finally burn them. Now think about coding. 50 * - The October 1999 errata (278260-007) says its bit 13, 1 to enable. 51 * - The Feb 2001 errata (278260-010) says that the previous errata 52 * (278260-009) is wrong, and its bit actually 12, fixed in spec 53 * 278242-003. 54 * - The SA1111 manual (278242) says bit 12, but 0 to enable. 55 * - Reality is bit 13, 1 to enable. 56 * -- rmk 57 */ 58 #define SKCR_OE_EN (1<<13) 59 60 #define SMCR_DTIM (1<<0) 61 #define SMCR_MBGE (1<<1) 62 #define SMCR_DRAC_0 (1<<2) 63 #define SMCR_DRAC_1 (1<<3) 64 #define SMCR_DRAC_2 (1<<4) 65 #define SMCR_DRAC Fld(3, 2) 66 #define SMCR_CLAT (1<<5) 67 68 #define SKID_SIREV_MASK (0x000000f0) 69 #define SKID_MTREV_MASK (0x0000000f) 70 #define SKID_ID_MASK (0xffffff00) 71 #define SKID_SA1111_ID (0x690cc200) 72 73 /* 74 * System Controller 75 * 76 * Registers 77 * SKPCR Power Control Register 78 * SKCDR Clock Divider Register 79 * SKAUD Audio Clock Divider Register 80 * SKPMC PS/2 Mouse Clock Divider Register 81 * SKPTC PS/2 Track Pad Clock Divider Register 82 * SKPEN0 PWM0 Enable Register 83 * SKPWM0 PWM0 Clock Register 84 * SKPEN1 PWM1 Enable Register 85 * SKPWM1 PWM1 Clock Register 86 */ 87 #define SA1111_SKPCR 0x0200 88 #define SA1111_SKCDR 0x0204 89 #define SA1111_SKAUD 0x0208 90 #define SA1111_SKPMC 0x020c 91 #define SA1111_SKPTC 0x0210 92 #define SA1111_SKPEN0 0x0214 93 #define SA1111_SKPWM0 0x0218 94 #define SA1111_SKPEN1 0x021c 95 #define SA1111_SKPWM1 0x0220 96 97 #define SKPCR_UCLKEN (1<<0) 98 #define SKPCR_ACCLKEN (1<<1) 99 #define SKPCR_I2SCLKEN (1<<2) 100 #define SKPCR_L3CLKEN (1<<3) 101 #define SKPCR_SCLKEN (1<<4) 102 #define SKPCR_PMCLKEN (1<<5) 103 #define SKPCR_PTCLKEN (1<<6) 104 #define SKPCR_DCLKEN (1<<7) 105 #define SKPCR_PWMCLKEN (1<<8) 106 107 /* USB Host controller */ 108 #define SA1111_USB 0x0400 109 110 /* 111 * Serial Audio Controller 112 * 113 * Registers 114 * SACR0 Serial Audio Common Control Register 115 * SACR1 Serial Audio Alternate Mode (I2C/MSB) Control Register 116 * SACR2 Serial Audio AC-link Control Register 117 * SASR0 Serial Audio I2S/MSB Interface & FIFO Status Register 118 * SASR1 Serial Audio AC-link Interface & FIFO Status Register 119 * SASCR Serial Audio Status Clear Register 120 * L3_CAR L3 Control Bus Address Register 121 * L3_CDR L3 Control Bus Data Register 122 * ACCAR AC-link Command Address Register 123 * ACCDR AC-link Command Data Register 124 * ACSAR AC-link Status Address Register 125 * ACSDR AC-link Status Data Register 126 * SADTCS Serial Audio DMA Transmit Control/Status Register 127 * SADTSA Serial Audio DMA Transmit Buffer Start Address A 128 * SADTCA Serial Audio DMA Transmit Buffer Count Register A 129 * SADTSB Serial Audio DMA Transmit Buffer Start Address B 130 * SADTCB Serial Audio DMA Transmit Buffer Count Register B 131 * SADRCS Serial Audio DMA Receive Control/Status Register 132 * SADRSA Serial Audio DMA Receive Buffer Start Address A 133 * SADRCA Serial Audio DMA Receive Buffer Count Register A 134 * SADRSB Serial Audio DMA Receive Buffer Start Address B 135 * SADRCB Serial Audio DMA Receive Buffer Count Register B 136 * SAITR Serial Audio Interrupt Test Register 137 * SADR Serial Audio Data Register (16 x 32-bit) 138 */ 139 140 #define SA1111_SERAUDIO 0x0600 141 142 /* 143 * These are offsets from the above base. 144 */ 145 #define SA1111_SACR0 0x00 146 #define SA1111_SACR1 0x04 147 #define SA1111_SACR2 0x08 148 #define SA1111_SASR0 0x0c 149 #define SA1111_SASR1 0x10 150 #define SA1111_SASCR 0x18 151 #define SA1111_L3_CAR 0x1c 152 #define SA1111_L3_CDR 0x20 153 #define SA1111_ACCAR 0x24 154 #define SA1111_ACCDR 0x28 155 #define SA1111_ACSAR 0x2c 156 #define SA1111_ACSDR 0x30 157 #define SA1111_SADTCS 0x34 158 #define SA1111_SADTSA 0x38 159 #define SA1111_SADTCA 0x3c 160 #define SA1111_SADTSB 0x40 161 #define SA1111_SADTCB 0x44 162 #define SA1111_SADRCS 0x48 163 #define SA1111_SADRSA 0x4c 164 #define SA1111_SADRCA 0x50 165 #define SA1111_SADRSB 0x54 166 #define SA1111_SADRCB 0x58 167 #define SA1111_SAITR 0x5c 168 #define SA1111_SADR 0x80 169 170 #ifndef CONFIG_ARCH_PXA 171 172 #define SACR0_ENB (1<<0) 173 #define SACR0_BCKD (1<<2) 174 #define SACR0_RST (1<<3) 175 176 #define SACR1_AMSL (1<<0) 177 #define SACR1_L3EN (1<<1) 178 #define SACR1_L3MB (1<<2) 179 #define SACR1_DREC (1<<3) 180 #define SACR1_DRPL (1<<4) 181 #define SACR1_ENLBF (1<<5) 182 183 #define SACR2_TS3V (1<<0) 184 #define SACR2_TS4V (1<<1) 185 #define SACR2_WKUP (1<<2) 186 #define SACR2_DREC (1<<3) 187 #define SACR2_DRPL (1<<4) 188 #define SACR2_ENLBF (1<<5) 189 #define SACR2_RESET (1<<6) 190 191 #define SASR0_TNF (1<<0) 192 #define SASR0_RNE (1<<1) 193 #define SASR0_BSY (1<<2) 194 #define SASR0_TFS (1<<3) 195 #define SASR0_RFS (1<<4) 196 #define SASR0_TUR (1<<5) 197 #define SASR0_ROR (1<<6) 198 #define SASR0_L3WD (1<<16) 199 #define SASR0_L3RD (1<<17) 200 201 #define SASR1_TNF (1<<0) 202 #define SASR1_RNE (1<<1) 203 #define SASR1_BSY (1<<2) 204 #define SASR1_TFS (1<<3) 205 #define SASR1_RFS (1<<4) 206 #define SASR1_TUR (1<<5) 207 #define SASR1_ROR (1<<6) 208 #define SASR1_CADT (1<<16) 209 #define SASR1_SADR (1<<17) 210 #define SASR1_RSTO (1<<18) 211 #define SASR1_CLPM (1<<19) 212 #define SASR1_CRDY (1<<20) 213 #define SASR1_RS3V (1<<21) 214 #define SASR1_RS4V (1<<22) 215 216 #define SASCR_TUR (1<<5) 217 #define SASCR_ROR (1<<6) 218 #define SASCR_DTS (1<<16) 219 #define SASCR_RDD (1<<17) 220 #define SASCR_STO (1<<18) 221 222 #define SADTCS_TDEN (1<<0) 223 #define SADTCS_TDIE (1<<1) 224 #define SADTCS_TDBDA (1<<3) 225 #define SADTCS_TDSTA (1<<4) 226 #define SADTCS_TDBDB (1<<5) 227 #define SADTCS_TDSTB (1<<6) 228 #define SADTCS_TBIU (1<<7) 229 230 #define SADRCS_RDEN (1<<0) 231 #define SADRCS_RDIE (1<<1) 232 #define SADRCS_RDBDA (1<<3) 233 #define SADRCS_RDSTA (1<<4) 234 #define SADRCS_RDBDB (1<<5) 235 #define SADRCS_RDSTB (1<<6) 236 #define SADRCS_RBIU (1<<7) 237 238 #define SAD_CS_DEN (1<<0) 239 #define SAD_CS_DIE (1<<1) /* Not functional on metal 1 */ 240 #define SAD_CS_DBDA (1<<3) /* Not functional on metal 1 */ 241 #define SAD_CS_DSTA (1<<4) 242 #define SAD_CS_DBDB (1<<5) /* Not functional on metal 1 */ 243 #define SAD_CS_DSTB (1<<6) 244 #define SAD_CS_BIU (1<<7) /* Not functional on metal 1 */ 245 246 #define SAITR_TFS (1<<0) 247 #define SAITR_RFS (1<<1) 248 #define SAITR_TUR (1<<2) 249 #define SAITR_ROR (1<<3) 250 #define SAITR_CADT (1<<4) 251 #define SAITR_SADR (1<<5) 252 #define SAITR_RSTO (1<<6) 253 #define SAITR_TDBDA (1<<8) 254 #define SAITR_TDBDB (1<<9) 255 #define SAITR_RDBDA (1<<10) 256 #define SAITR_RDBDB (1<<11) 257 258 #endif /* !CONFIG_ARCH_PXA */ 259 260 /* 261 * General-Purpose I/O Interface 262 * 263 * Registers 264 * PA_DDR GPIO Block A Data Direction 265 * PA_DRR/PA_DWR GPIO Block A Data Value Register (read/write) 266 * PA_SDR GPIO Block A Sleep Direction 267 * PA_SSR GPIO Block A Sleep State 268 * PB_DDR GPIO Block B Data Direction 269 * PB_DRR/PB_DWR GPIO Block B Data Value Register (read/write) 270 * PB_SDR GPIO Block B Sleep Direction 271 * PB_SSR GPIO Block B Sleep State 272 * PC_DDR GPIO Block C Data Direction 273 * PC_DRR/PC_DWR GPIO Block C Data Value Register (read/write) 274 * PC_SDR GPIO Block C Sleep Direction 275 * PC_SSR GPIO Block C Sleep State 276 */ 277 278 #define SA1111_GPIO 0x1000 279 280 #define SA1111_GPIO_PADDR (0x000) 281 #define SA1111_GPIO_PADRR (0x004) 282 #define SA1111_GPIO_PADWR (0x004) 283 #define SA1111_GPIO_PASDR (0x008) 284 #define SA1111_GPIO_PASSR (0x00c) 285 #define SA1111_GPIO_PBDDR (0x010) 286 #define SA1111_GPIO_PBDRR (0x014) 287 #define SA1111_GPIO_PBDWR (0x014) 288 #define SA1111_GPIO_PBSDR (0x018) 289 #define SA1111_GPIO_PBSSR (0x01c) 290 #define SA1111_GPIO_PCDDR (0x020) 291 #define SA1111_GPIO_PCDRR (0x024) 292 #define SA1111_GPIO_PCDWR (0x024) 293 #define SA1111_GPIO_PCSDR (0x028) 294 #define SA1111_GPIO_PCSSR (0x02c) 295 296 #define GPIO_A0 (1 << 0) 297 #define GPIO_A1 (1 << 1) 298 #define GPIO_A2 (1 << 2) 299 #define GPIO_A3 (1 << 3) 300 301 #define GPIO_B0 (1 << 8) 302 #define GPIO_B1 (1 << 9) 303 #define GPIO_B2 (1 << 10) 304 #define GPIO_B3 (1 << 11) 305 #define GPIO_B4 (1 << 12) 306 #define GPIO_B5 (1 << 13) 307 #define GPIO_B6 (1 << 14) 308 #define GPIO_B7 (1 << 15) 309 310 #define GPIO_C0 (1 << 16) 311 #define GPIO_C1 (1 << 17) 312 #define GPIO_C2 (1 << 18) 313 #define GPIO_C3 (1 << 19) 314 #define GPIO_C4 (1 << 20) 315 #define GPIO_C5 (1 << 21) 316 #define GPIO_C6 (1 << 22) 317 #define GPIO_C7 (1 << 23) 318 319 /* 320 * Interrupt Controller 321 * 322 * Registers 323 * INTTEST0 Test register 0 324 * INTTEST1 Test register 1 325 * INTEN0 Interrupt Enable register 0 326 * INTEN1 Interrupt Enable register 1 327 * INTPOL0 Interrupt Polarity selection 0 328 * INTPOL1 Interrupt Polarity selection 1 329 * INTTSTSEL Interrupt source selection 330 * INTSTATCLR0 Interrupt Status/Clear 0 331 * INTSTATCLR1 Interrupt Status/Clear 1 332 * INTSET0 Interrupt source set 0 333 * INTSET1 Interrupt source set 1 334 * WAKE_EN0 Wake-up source enable 0 335 * WAKE_EN1 Wake-up source enable 1 336 * WAKE_POL0 Wake-up polarity selection 0 337 * WAKE_POL1 Wake-up polarity selection 1 338 */ 339 #define SA1111_INTC 0x1600 340 341 /* 342 * These are offsets from the above base. 343 */ 344 #define SA1111_INTTEST0 0x0000 345 #define SA1111_INTTEST1 0x0004 346 #define SA1111_INTEN0 0x0008 347 #define SA1111_INTEN1 0x000c 348 #define SA1111_INTPOL0 0x0010 349 #define SA1111_INTPOL1 0x0014 350 #define SA1111_INTTSTSEL 0x0018 351 #define SA1111_INTSTATCLR0 0x001c 352 #define SA1111_INTSTATCLR1 0x0020 353 #define SA1111_INTSET0 0x0024 354 #define SA1111_INTSET1 0x0028 355 #define SA1111_WAKEEN0 0x002c 356 #define SA1111_WAKEEN1 0x0030 357 #define SA1111_WAKEPOL0 0x0034 358 #define SA1111_WAKEPOL1 0x0038 359 360 /* PS/2 Trackpad and Mouse Interfaces */ 361 #define SA1111_KBD 0x0a00 362 #define SA1111_MSE 0x0c00 363 364 /* PCMCIA Interface */ 365 #define SA1111_PCMCIA 0x1600 366 367 368 369 370 371 extern struct bus_type sa1111_bus_type; 372 373 #define SA1111_DEVID_SBI (1 << 0) 374 #define SA1111_DEVID_SK (1 << 1) 375 #define SA1111_DEVID_USB (1 << 2) 376 #define SA1111_DEVID_SAC (1 << 3) 377 #define SA1111_DEVID_SSP (1 << 4) 378 #define SA1111_DEVID_PS2 (3 << 5) 379 #define SA1111_DEVID_PS2_KBD (1 << 5) 380 #define SA1111_DEVID_PS2_MSE (1 << 6) 381 #define SA1111_DEVID_GPIO (1 << 7) 382 #define SA1111_DEVID_INT (1 << 8) 383 #define SA1111_DEVID_PCMCIA (1 << 9) 384 385 struct sa1111_dev { 386 struct device dev; 387 unsigned int devid; 388 struct resource res; 389 void __iomem *mapbase; 390 unsigned int skpcr_mask; 391 unsigned int hwirq[6]; 392 u64 dma_mask; 393 }; 394 395 #define to_sa1111_device(x) container_of(x, struct sa1111_dev, dev) 396 397 #define sa1111_get_drvdata(d) dev_get_drvdata(&(d)->dev) 398 #define sa1111_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p) 399 400 struct sa1111_driver { 401 struct device_driver drv; 402 unsigned int devid; 403 int (*probe)(struct sa1111_dev *); 404 void (*remove)(struct sa1111_dev *); 405 }; 406 407 #define SA1111_DRV(_d) container_of_const((_d), struct sa1111_driver, drv) 408 409 #define SA1111_DRIVER_NAME(_sadev) ((_sadev)->dev.driver->name) 410 411 /* 412 * These frob the SKPCR register, and call platform specific 413 * enable/disable functions. 414 */ 415 int sa1111_enable_device(struct sa1111_dev *); 416 void sa1111_disable_device(struct sa1111_dev *); 417 418 int sa1111_get_irq(struct sa1111_dev *, unsigned num); 419 420 unsigned int sa1111_pll_clock(struct sa1111_dev *); 421 422 #define SA1111_AUDIO_ACLINK 0 423 #define SA1111_AUDIO_I2S 1 424 425 void sa1111_select_audio_mode(struct sa1111_dev *sadev, int mode); 426 int sa1111_set_audio_rate(struct sa1111_dev *sadev, int rate); 427 int sa1111_get_audio_rate(struct sa1111_dev *sadev); 428 429 int sa1111_check_dma_bug(dma_addr_t addr); 430 431 int sa1111_driver_register(struct sa1111_driver *); 432 void sa1111_driver_unregister(struct sa1111_driver *); 433 434 struct sa1111_platform_data { 435 int irq_base; /* base for cascaded on-chip IRQs */ 436 unsigned disable_devs; 437 void *data; 438 int (*enable)(void *, unsigned); 439 void (*disable)(void *, unsigned); 440 }; 441 442 #endif /* _ASM_ARCH_SA1111 */ 443