1 /* 2 * include/linux/mfd/asic3.h 3 * 4 * Compaq ASIC3 headers. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * Copyright 2001 Compaq Computer Corporation. 11 * Copyright 2007-2008 OpenedHand Ltd. 12 */ 13 14 #ifndef __ASIC3_H__ 15 #define __ASIC3_H__ 16 17 #include <linux/types.h> 18 19 struct led_classdev; 20 struct asic3_led { 21 const char *name; 22 const char *default_trigger; 23 struct led_classdev *cdev; 24 }; 25 26 struct asic3_platform_data { 27 u16 *gpio_config; 28 unsigned int gpio_config_num; 29 30 unsigned int irq_base; 31 32 unsigned int gpio_base; 33 34 unsigned int clock_rate; 35 36 struct asic3_led *leds; 37 }; 38 39 #define ASIC3_NUM_GPIO_BANKS 4 40 #define ASIC3_GPIOS_PER_BANK 16 41 #define ASIC3_NUM_GPIOS 64 42 #define ASIC3_NR_IRQS ASIC3_NUM_GPIOS + 6 43 44 #define ASIC3_IRQ_LED0 64 45 #define ASIC3_IRQ_LED1 65 46 #define ASIC3_IRQ_LED2 66 47 #define ASIC3_IRQ_SPI 67 48 #define ASIC3_IRQ_SMBUS 68 49 #define ASIC3_IRQ_OWM 69 50 51 #define ASIC3_TO_GPIO(gpio) (NR_BUILTIN_GPIO + (gpio)) 52 53 #define ASIC3_GPIO_BANK_A 0 54 #define ASIC3_GPIO_BANK_B 1 55 #define ASIC3_GPIO_BANK_C 2 56 #define ASIC3_GPIO_BANK_D 3 57 58 #define ASIC3_GPIO(bank, gpio) \ 59 ((ASIC3_GPIOS_PER_BANK * ASIC3_GPIO_BANK_##bank) + (gpio)) 60 #define ASIC3_GPIO_bit(gpio) (1 << (gpio & 0xf)) 61 /* All offsets below are specified with this address bus shift */ 62 #define ASIC3_DEFAULT_ADDR_SHIFT 2 63 64 #define ASIC3_OFFSET(base, reg) (ASIC3_##base##_BASE + ASIC3_##base##_##reg) 65 #define ASIC3_GPIO_OFFSET(base, reg) \ 66 (ASIC3_GPIO_##base##_BASE + ASIC3_GPIO_##reg) 67 68 #define ASIC3_GPIO_A_BASE 0x0000 69 #define ASIC3_GPIO_B_BASE 0x0100 70 #define ASIC3_GPIO_C_BASE 0x0200 71 #define ASIC3_GPIO_D_BASE 0x0300 72 73 #define ASIC3_GPIO_TO_BANK(gpio) ((gpio) >> 4) 74 #define ASIC3_GPIO_TO_BIT(gpio) ((gpio) - \ 75 (ASIC3_GPIOS_PER_BANK * ((gpio) >> 4))) 76 #define ASIC3_GPIO_TO_MASK(gpio) (1 << ASIC3_GPIO_TO_BIT(gpio)) 77 #define ASIC3_GPIO_TO_BASE(gpio) (ASIC3_GPIO_A_BASE + (((gpio) >> 4) * 0x0100)) 78 #define ASIC3_BANK_TO_BASE(bank) (ASIC3_GPIO_A_BASE + ((bank) * 0x100)) 79 80 #define ASIC3_GPIO_MASK 0x00 /* R/W 0:don't mask */ 81 #define ASIC3_GPIO_DIRECTION 0x04 /* R/W 0:input */ 82 #define ASIC3_GPIO_OUT 0x08 /* R/W 0:output low */ 83 #define ASIC3_GPIO_TRIGGER_TYPE 0x0c /* R/W 0:level */ 84 #define ASIC3_GPIO_EDGE_TRIGGER 0x10 /* R/W 0:falling */ 85 #define ASIC3_GPIO_LEVEL_TRIGGER 0x14 /* R/W 0:low level detect */ 86 #define ASIC3_GPIO_SLEEP_MASK 0x18 /* R/W 0:don't mask in sleep mode */ 87 #define ASIC3_GPIO_SLEEP_OUT 0x1c /* R/W level 0:low in sleep mode */ 88 #define ASIC3_GPIO_BAT_FAULT_OUT 0x20 /* R/W level 0:low in batt_fault */ 89 #define ASIC3_GPIO_INT_STATUS 0x24 /* R/W 0:none, 1:detect */ 90 #define ASIC3_GPIO_ALT_FUNCTION 0x28 /* R/W 1:LED register control */ 91 #define ASIC3_GPIO_SLEEP_CONF 0x2c /* 92 * R/W bit 1: autosleep 93 * 0: disable gposlpout in normal mode, 94 * enable gposlpout in sleep mode. 95 */ 96 #define ASIC3_GPIO_STATUS 0x30 /* R Pin status */ 97 98 /* 99 * ASIC3 GPIO config 100 * 101 * Bits 0..6 gpio number 102 * Bits 7..13 Alternate function 103 * Bit 14 Direction 104 * Bit 15 Initial value 105 * 106 */ 107 #define ASIC3_CONFIG_GPIO_PIN(config) ((config) & 0x7f) 108 #define ASIC3_CONFIG_GPIO_ALT(config) (((config) & (0x7f << 7)) >> 7) 109 #define ASIC3_CONFIG_GPIO_DIR(config) ((config & (1 << 14)) >> 14) 110 #define ASIC3_CONFIG_GPIO_INIT(config) ((config & (1 << 15)) >> 15) 111 #define ASIC3_CONFIG_GPIO(gpio, alt, dir, init) (((gpio) & 0x7f) \ 112 | (((alt) & 0x7f) << 7) | (((dir) & 0x1) << 14) \ 113 | (((init) & 0x1) << 15)) 114 #define ASIC3_CONFIG_GPIO_DEFAULT(gpio, dir, init) \ 115 ASIC3_CONFIG_GPIO((gpio), 0, (dir), (init)) 116 #define ASIC3_CONFIG_GPIO_DEFAULT_OUT(gpio, init) \ 117 ASIC3_CONFIG_GPIO((gpio), 0, 1, (init)) 118 119 /* 120 * Alternate functions 121 */ 122 #define ASIC3_GPIOA11_PWM0 ASIC3_CONFIG_GPIO(11, 1, 1, 0) 123 #define ASIC3_GPIOA12_PWM1 ASIC3_CONFIG_GPIO(12, 1, 1, 0) 124 #define ASIC3_GPIOA15_CONTROL_CX ASIC3_CONFIG_GPIO(15, 1, 1, 0) 125 #define ASIC3_GPIOC0_LED0 ASIC3_CONFIG_GPIO(32, 1, 0, 0) 126 #define ASIC3_GPIOC1_LED1 ASIC3_CONFIG_GPIO(33, 1, 0, 0) 127 #define ASIC3_GPIOC2_LED2 ASIC3_CONFIG_GPIO(34, 1, 0, 0) 128 #define ASIC3_GPIOC3_SPI_RXD ASIC3_CONFIG_GPIO(35, 1, 0, 0) 129 #define ASIC3_GPIOC4_CF_nCD ASIC3_CONFIG_GPIO(36, 1, 0, 0) 130 #define ASIC3_GPIOC4_SPI_TXD ASIC3_CONFIG_GPIO(36, 1, 1, 0) 131 #define ASIC3_GPIOC5_SPI_CLK ASIC3_CONFIG_GPIO(37, 1, 1, 0) 132 #define ASIC3_GPIOC5_nCIOW ASIC3_CONFIG_GPIO(37, 1, 1, 0) 133 #define ASIC3_GPIOC6_nCIOR ASIC3_CONFIG_GPIO(38, 1, 1, 0) 134 #define ASIC3_GPIOC7_nPCE_1 ASIC3_CONFIG_GPIO(39, 1, 0, 0) 135 #define ASIC3_GPIOC8_nPCE_2 ASIC3_CONFIG_GPIO(40, 1, 0, 0) 136 #define ASIC3_GPIOC9_nPOE ASIC3_CONFIG_GPIO(41, 1, 0, 0) 137 #define ASIC3_GPIOC10_nPWE ASIC3_CONFIG_GPIO(42, 1, 0, 0) 138 #define ASIC3_GPIOC11_PSKTSEL ASIC3_CONFIG_GPIO(43, 1, 0, 0) 139 #define ASIC3_GPIOC12_nPREG ASIC3_CONFIG_GPIO(44, 1, 0, 0) 140 #define ASIC3_GPIOC13_nPWAIT ASIC3_CONFIG_GPIO(45, 1, 1, 0) 141 #define ASIC3_GPIOC14_nPIOIS16 ASIC3_CONFIG_GPIO(46, 1, 1, 0) 142 #define ASIC3_GPIOC15_nPIOR ASIC3_CONFIG_GPIO(47, 1, 0, 0) 143 #define ASIC3_GPIOD4_CF_nCD ASIC3_CONFIG_GPIO(52, 1, 0, 0) 144 #define ASIC3_GPIOD11_nCIOIS16 ASIC3_CONFIG_GPIO(59, 1, 0, 0) 145 #define ASIC3_GPIOD12_nCWAIT ASIC3_CONFIG_GPIO(60, 1, 0, 0) 146 #define ASIC3_GPIOD15_nPIOW ASIC3_CONFIG_GPIO(63, 1, 0, 0) 147 148 149 #define ASIC3_SPI_Base 0x0400 150 #define ASIC3_SPI_Control 0x0000 151 #define ASIC3_SPI_TxData 0x0004 152 #define ASIC3_SPI_RxData 0x0008 153 #define ASIC3_SPI_Int 0x000c 154 #define ASIC3_SPI_Status 0x0010 155 156 #define SPI_CONTROL_SPR(clk) ((clk) & 0x0f) /* Clock rate */ 157 158 #define ASIC3_PWM_0_Base 0x0500 159 #define ASIC3_PWM_1_Base 0x0600 160 #define ASIC3_PWM_TimeBase 0x0000 161 #define ASIC3_PWM_PeriodTime 0x0004 162 #define ASIC3_PWM_DutyTime 0x0008 163 164 #define PWM_TIMEBASE_VALUE(x) ((x)&0xf) /* Low 4 bits sets time base */ 165 #define PWM_TIMEBASE_ENABLE (1 << 4) /* Enable clock */ 166 167 #define ASIC3_NUM_LEDS 3 168 #define ASIC3_LED_0_Base 0x0700 169 #define ASIC3_LED_1_Base 0x0800 170 #define ASIC3_LED_2_Base 0x0900 171 #define ASIC3_LED_TimeBase 0x0000 /* R/W 7 bits */ 172 #define ASIC3_LED_PeriodTime 0x0004 /* R/W 12 bits */ 173 #define ASIC3_LED_DutyTime 0x0008 /* R/W 12 bits */ 174 #define ASIC3_LED_AutoStopCount 0x000c /* R/W 16 bits */ 175 176 /* LED TimeBase bits - match ASIC2 */ 177 #define LED_TBS 0x0f /* Low 4 bits sets time base, max = 13 */ 178 /* Note: max = 5 on hx4700 */ 179 /* 0: maximum time base */ 180 /* 1: maximum time base / 2 */ 181 /* n: maximum time base / 2^n */ 182 183 #define LED_EN (1 << 4) /* LED ON/OFF 0:off, 1:on */ 184 #define LED_AUTOSTOP (1 << 5) /* LED ON/OFF auto stop 0:disable, 1:enable */ 185 #define LED_ALWAYS (1 << 6) /* LED Interrupt Mask 0:No mask, 1:mask */ 186 187 #define ASIC3_CLOCK_BASE 0x0A00 188 #define ASIC3_CLOCK_CDEX 0x00 189 #define ASIC3_CLOCK_SEL 0x04 190 191 #define CLOCK_CDEX_SOURCE (1 << 0) /* 2 bits */ 192 #define CLOCK_CDEX_SOURCE0 (1 << 0) 193 #define CLOCK_CDEX_SOURCE1 (1 << 1) 194 #define CLOCK_CDEX_SPI (1 << 2) 195 #define CLOCK_CDEX_OWM (1 << 3) 196 #define CLOCK_CDEX_PWM0 (1 << 4) 197 #define CLOCK_CDEX_PWM1 (1 << 5) 198 #define CLOCK_CDEX_LED0 (1 << 6) 199 #define CLOCK_CDEX_LED1 (1 << 7) 200 #define CLOCK_CDEX_LED2 (1 << 8) 201 202 /* Clocks settings: 1 for 24.576 MHz, 0 for 12.288Mhz */ 203 #define CLOCK_CDEX_SD_HOST (1 << 9) /* R/W: SD host clock source */ 204 #define CLOCK_CDEX_SD_BUS (1 << 10) /* R/W: SD bus clock source ctrl */ 205 #define CLOCK_CDEX_SMBUS (1 << 11) 206 #define CLOCK_CDEX_CONTROL_CX (1 << 12) 207 208 #define CLOCK_CDEX_EX0 (1 << 13) /* R/W: 32.768 kHz crystal */ 209 #define CLOCK_CDEX_EX1 (1 << 14) /* R/W: 24.576 MHz crystal */ 210 211 #define CLOCK_SEL_SD_HCLK_SEL (1 << 0) /* R/W: SDIO host clock select */ 212 #define CLOCK_SEL_SD_BCLK_SEL (1 << 1) /* R/W: SDIO bus clock select */ 213 214 /* R/W: INT clock source control (32.768 kHz) */ 215 #define CLOCK_SEL_CX (1 << 2) 216 217 218 #define ASIC3_INTR_BASE 0x0B00 219 220 #define ASIC3_INTR_INT_MASK 0x00 /* Interrupt mask control */ 221 #define ASIC3_INTR_P_INT_STAT 0x04 /* Peripheral interrupt status */ 222 #define ASIC3_INTR_INT_CPS 0x08 /* Interrupt timer clock pre-scale */ 223 #define ASIC3_INTR_INT_TBS 0x0c /* Interrupt timer set */ 224 225 #define ASIC3_INTMASK_GINTMASK (1 << 0) /* Global INTs mask 1:enable */ 226 #define ASIC3_INTMASK_GINTEL (1 << 1) /* 1: rising edge, 0: hi level */ 227 #define ASIC3_INTMASK_MASK0 (1 << 2) 228 #define ASIC3_INTMASK_MASK1 (1 << 3) 229 #define ASIC3_INTMASK_MASK2 (1 << 4) 230 #define ASIC3_INTMASK_MASK3 (1 << 5) 231 #define ASIC3_INTMASK_MASK4 (1 << 6) 232 #define ASIC3_INTMASK_MASK5 (1 << 7) 233 234 #define ASIC3_INTR_PERIPHERAL_A (1 << 0) 235 #define ASIC3_INTR_PERIPHERAL_B (1 << 1) 236 #define ASIC3_INTR_PERIPHERAL_C (1 << 2) 237 #define ASIC3_INTR_PERIPHERAL_D (1 << 3) 238 #define ASIC3_INTR_LED0 (1 << 4) 239 #define ASIC3_INTR_LED1 (1 << 5) 240 #define ASIC3_INTR_LED2 (1 << 6) 241 #define ASIC3_INTR_SPI (1 << 7) 242 #define ASIC3_INTR_SMBUS (1 << 8) 243 #define ASIC3_INTR_OWM (1 << 9) 244 245 #define ASIC3_INTR_CPS(x) ((x)&0x0f) /* 4 bits, max 14 */ 246 #define ASIC3_INTR_CPS_SET (1 << 4) /* Time base enable */ 247 248 249 /* Basic control of the SD ASIC */ 250 #define ASIC3_SDHWCTRL_BASE 0x0E00 251 #define ASIC3_SDHWCTRL_SDCONF 0x00 252 253 #define ASIC3_SDHWCTRL_SUSPEND (1 << 0) /* 1=suspend all SD operations */ 254 #define ASIC3_SDHWCTRL_CLKSEL (1 << 1) /* 1=SDICK, 0=HCLK */ 255 #define ASIC3_SDHWCTRL_PCLR (1 << 2) /* All registers of SDIO cleared */ 256 #define ASIC3_SDHWCTRL_LEVCD (1 << 3) /* SD card detection: 0:low */ 257 258 /* SD card write protection: 0=high */ 259 #define ASIC3_SDHWCTRL_LEVWP (1 << 4) 260 #define ASIC3_SDHWCTRL_SDLED (1 << 5) /* SD card LED signal 0=disable */ 261 262 /* SD card power supply ctrl 1=enable */ 263 #define ASIC3_SDHWCTRL_SDPWR (1 << 6) 264 265 #define ASIC3_EXTCF_BASE 0x1100 266 267 #define ASIC3_EXTCF_SELECT 0x00 268 #define ASIC3_EXTCF_RESET 0x04 269 270 #define ASIC3_EXTCF_SMOD0 (1 << 0) /* slot number of mode 0 */ 271 #define ASIC3_EXTCF_SMOD1 (1 << 1) /* slot number of mode 1 */ 272 #define ASIC3_EXTCF_SMOD2 (1 << 2) /* slot number of mode 2 */ 273 #define ASIC3_EXTCF_OWM_EN (1 << 4) /* enable onewire module */ 274 #define ASIC3_EXTCF_OWM_SMB (1 << 5) /* OWM bus selection */ 275 #define ASIC3_EXTCF_OWM_RESET (1 << 6) /* ?? used by OWM and CF */ 276 #define ASIC3_EXTCF_CF0_SLEEP_MODE (1 << 7) /* CF0 sleep state */ 277 #define ASIC3_EXTCF_CF1_SLEEP_MODE (1 << 8) /* CF1 sleep state */ 278 #define ASIC3_EXTCF_CF0_PWAIT_EN (1 << 10) /* CF0 PWAIT_n control */ 279 #define ASIC3_EXTCF_CF1_PWAIT_EN (1 << 11) /* CF1 PWAIT_n control */ 280 #define ASIC3_EXTCF_CF0_BUF_EN (1 << 12) /* CF0 buffer control */ 281 #define ASIC3_EXTCF_CF1_BUF_EN (1 << 13) /* CF1 buffer control */ 282 #define ASIC3_EXTCF_SD_MEM_ENABLE (1 << 14) 283 #define ASIC3_EXTCF_CF_SLEEP (1 << 15) /* CF sleep mode control */ 284 285 /********************************************* 286 * The Onewire interface (DS1WM) is handled 287 * by the ds1wm driver. 288 * 289 *********************************************/ 290 291 #define ASIC3_OWM_BASE 0xC00 292 293 /***************************************************************************** 294 * The SD configuration registers are at a completely different location 295 * in memory. They are divided into three sets of registers: 296 * 297 * SD_CONFIG Core configuration register 298 * SD_CTRL Control registers for SD operations 299 * SDIO_CTRL Control registers for SDIO operations 300 * 301 *****************************************************************************/ 302 #define ASIC3_SD_CONFIG_BASE 0x0400 /* Assumes 32 bit addressing */ 303 #define ASIC3_SD_CONFIG_SIZE 0x0200 /* Assumes 32 bit addressing */ 304 #define ASIC3_SD_CTRL_BASE 0x1000 305 #define ASIC3_SDIO_CTRL_BASE 0x1200 306 307 #define ASIC3_MAP_SIZE_32BIT 0x2000 308 #define ASIC3_MAP_SIZE_16BIT 0x1000 309 310 /* Functions needed by leds-asic3 */ 311 312 struct asic3; 313 extern void asic3_write_register(struct asic3 *asic, unsigned int reg, u32 val); 314 extern u32 asic3_read_register(struct asic3 *asic, unsigned int reg); 315 316 #endif /* __ASIC3_H__ */ 317
