1 /* 2 * arch/arm/include/asm/hardware/locomo.h 3 * 4 * This file contains the definitions for the LoCoMo G/A Chip 5 * 6 * (C) Copyright 2004 John Lenz 7 * 8 * May be copied or modified under the terms of the GNU General Public 9 * License. See linux/COPYING for more information. 10 * 11 * Based on sa1111.h 12 */ 13 #ifndef _ASM_ARCH_LOCOMO 14 #define _ASM_ARCH_LOCOMO 15 16 #define locomo_writel(val,addr) ({ *(volatile u16 *)(addr) = (val); }) 17 #define locomo_readl(addr) (*(volatile u16 *)(addr)) 18 19 /* LOCOMO version */ 20 #define LOCOMO_VER 0x00 21 22 /* Pin status */ 23 #define LOCOMO_ST 0x04 24 25 /* Pin status */ 26 #define LOCOMO_C32K 0x08 27 28 /* Interrupt controller */ 29 #define LOCOMO_ICR 0x0C 30 31 /* MCS decoder for boot selecting */ 32 #define LOCOMO_MCSX0 0x10 33 #define LOCOMO_MCSX1 0x14 34 #define LOCOMO_MCSX2 0x18 35 #define LOCOMO_MCSX3 0x1c 36 37 /* Touch panel controller */ 38 #define LOCOMO_ASD 0x20 /* AD start delay */ 39 #define LOCOMO_HSD 0x28 /* HSYS delay */ 40 #define LOCOMO_HSC 0x2c /* HSYS period */ 41 #define LOCOMO_TADC 0x30 /* tablet ADC clock */ 42 43 44 /* Long time timer */ 45 #define LOCOMO_LTC 0xd8 /* LTC interrupt setting */ 46 #define LOCOMO_LTINT 0xdc /* LTC interrupt */ 47 48 /* DAC control signal for LCD (COMADJ ) */ 49 #define LOCOMO_DAC 0xe0 50 /* DAC control */ 51 #define LOCOMO_DAC_SCLOEB 0x08 /* SCL pin output data */ 52 #define LOCOMO_DAC_TEST 0x04 /* Test bit */ 53 #define LOCOMO_DAC_SDA 0x02 /* SDA pin level (read-only) */ 54 #define LOCOMO_DAC_SDAOEB 0x01 /* SDA pin output data */ 55 56 /* SPI interface */ 57 #define LOCOMO_SPI 0x60 58 #define LOCOMO_SPIMD 0x00 /* SPI mode setting */ 59 #define LOCOMO_SPICT 0x04 /* SPI mode control */ 60 #define LOCOMO_SPIST 0x08 /* SPI status */ 61 #define LOCOMO_SPI_TEND (1 << 3) /* Transfer end bit */ 62 #define LOCOMO_SPI_REND (1 << 2) /* Receive end bit */ 63 #define LOCOMO_SPI_RFW (1 << 1) /* write buffer bit */ 64 #define LOCOMO_SPI_RFR (1) /* read buffer bit */ 65 66 #define LOCOMO_SPIIS 0x10 /* SPI interrupt status */ 67 #define LOCOMO_SPIWE 0x14 /* SPI interrupt status write enable */ 68 #define LOCOMO_SPIIE 0x18 /* SPI interrupt enable */ 69 #define LOCOMO_SPIIR 0x1c /* SPI interrupt request */ 70 #define LOCOMO_SPITD 0x20 /* SPI transfer data write */ 71 #define LOCOMO_SPIRD 0x24 /* SPI receive data read */ 72 #define LOCOMO_SPITS 0x28 /* SPI transfer data shift */ 73 #define LOCOMO_SPIRS 0x2C /* SPI receive data shift */ 74 75 /* GPIO */ 76 #define LOCOMO_GPD 0x90 /* GPIO direction */ 77 #define LOCOMO_GPE 0x94 /* GPIO input enable */ 78 #define LOCOMO_GPL 0x98 /* GPIO level */ 79 #define LOCOMO_GPO 0x9c /* GPIO out data setting */ 80 #define LOCOMO_GRIE 0xa0 /* GPIO rise detection */ 81 #define LOCOMO_GFIE 0xa4 /* GPIO fall detection */ 82 #define LOCOMO_GIS 0xa8 /* GPIO edge detection status */ 83 #define LOCOMO_GWE 0xac /* GPIO status write enable */ 84 #define LOCOMO_GIE 0xb0 /* GPIO interrupt enable */ 85 #define LOCOMO_GIR 0xb4 /* GPIO interrupt request */ 86 #define LOCOMO_GPIO(Nb) (0x01 << (Nb)) 87 #define LOCOMO_GPIO_RTS LOCOMO_GPIO(0) 88 #define LOCOMO_GPIO_CTS LOCOMO_GPIO(1) 89 #define LOCOMO_GPIO_DSR LOCOMO_GPIO(2) 90 #define LOCOMO_GPIO_DTR LOCOMO_GPIO(3) 91 #define LOCOMO_GPIO_LCD_VSHA_ON LOCOMO_GPIO(4) 92 #define LOCOMO_GPIO_LCD_VSHD_ON LOCOMO_GPIO(5) 93 #define LOCOMO_GPIO_LCD_VEE_ON LOCOMO_GPIO(6) 94 #define LOCOMO_GPIO_LCD_MOD LOCOMO_GPIO(7) 95 #define LOCOMO_GPIO_DAC_ON LOCOMO_GPIO(8) 96 #define LOCOMO_GPIO_FL_VR LOCOMO_GPIO(9) 97 #define LOCOMO_GPIO_DAC_SDATA LOCOMO_GPIO(10) 98 #define LOCOMO_GPIO_DAC_SCK LOCOMO_GPIO(11) 99 #define LOCOMO_GPIO_DAC_SLOAD LOCOMO_GPIO(12) 100 #define LOCOMO_GPIO_CARD_DETECT LOCOMO_GPIO(13) 101 #define LOCOMO_GPIO_WRITE_PROT LOCOMO_GPIO(14) 102 #define LOCOMO_GPIO_CARD_POWER LOCOMO_GPIO(15) 103 104 /* Start the definitions of the devices. Each device has an initial 105 * base address and a series of offsets from that base address. */ 106 107 /* Keyboard controller */ 108 #define LOCOMO_KEYBOARD 0x40 109 #define LOCOMO_KIB 0x00 /* KIB level */ 110 #define LOCOMO_KSC 0x04 /* KSTRB control */ 111 #define LOCOMO_KCMD 0x08 /* KSTRB command */ 112 #define LOCOMO_KIC 0x0c /* Key interrupt */ 113 114 /* Front light adjustment controller */ 115 #define LOCOMO_FRONTLIGHT 0xc8 116 #define LOCOMO_ALS 0x00 /* Adjust light cycle */ 117 #define LOCOMO_ALD 0x04 /* Adjust light duty */ 118 119 #define LOCOMO_ALC_EN 0x8000 120 121 /* Backlight controller: TFT signal */ 122 #define LOCOMO_BACKLIGHT 0x38 123 #define LOCOMO_TC 0x00 /* TFT control signal */ 124 #define LOCOMO_CPSD 0x04 /* CPS delay */ 125 126 /* Audio controller */ 127 #define LOCOMO_AUDIO 0x54 128 #define LOCOMO_ACC 0x00 /* Audio clock */ 129 #define LOCOMO_PAIF 0xD0 /* PCM audio interface */ 130 /* Audio clock */ 131 #define LOCOMO_ACC_XON 0x80 132 #define LOCOMO_ACC_XEN 0x40 133 #define LOCOMO_ACC_XSEL0 0x00 134 #define LOCOMO_ACC_XSEL1 0x20 135 #define LOCOMO_ACC_MCLKEN 0x10 136 #define LOCOMO_ACC_64FSEN 0x08 137 #define LOCOMO_ACC_CLKSEL000 0x00 /* mclk 2 */ 138 #define LOCOMO_ACC_CLKSEL001 0x01 /* mclk 3 */ 139 #define LOCOMO_ACC_CLKSEL010 0x02 /* mclk 4 */ 140 #define LOCOMO_ACC_CLKSEL011 0x03 /* mclk 6 */ 141 #define LOCOMO_ACC_CLKSEL100 0x04 /* mclk 8 */ 142 #define LOCOMO_ACC_CLKSEL101 0x05 /* mclk 12 */ 143 /* PCM audio interface */ 144 #define LOCOMO_PAIF_SCINV 0x20 145 #define LOCOMO_PAIF_SCEN 0x10 146 #define LOCOMO_PAIF_LRCRST 0x08 147 #define LOCOMO_PAIF_LRCEVE 0x04 148 #define LOCOMO_PAIF_LRCINV 0x02 149 #define LOCOMO_PAIF_LRCEN 0x01 150 151 /* LED controller */ 152 #define LOCOMO_LED 0xe8 153 #define LOCOMO_LPT0 0x00 154 #define LOCOMO_LPT1 0x04 155 /* LED control */ 156 #define LOCOMO_LPT_TOFH 0x80 157 #define LOCOMO_LPT_TOFL 0x08 158 #define LOCOMO_LPT_TOH(TOH) ((TOH & 0x7) << 4) 159 #define LOCOMO_LPT_TOL(TOL) ((TOL & 0x7)) 160 161 extern struct bus_type locomo_bus_type; 162 163 #define LOCOMO_DEVID_KEYBOARD 0 164 #define LOCOMO_DEVID_FRONTLIGHT 1 165 #define LOCOMO_DEVID_BACKLIGHT 2 166 #define LOCOMO_DEVID_AUDIO 3 167 #define LOCOMO_DEVID_LED 4 168 #define LOCOMO_DEVID_UART 5 169 #define LOCOMO_DEVID_SPI 6 170 171 struct locomo_dev { 172 struct device dev; 173 unsigned int devid; 174 unsigned int irq[1]; 175 176 void *mapbase; 177 unsigned long length; 178 179 u64 dma_mask; 180 }; 181 182 #define LOCOMO_DEV(_d) container_of((_d), struct locomo_dev, dev) 183 184 #define locomo_get_drvdata(d) dev_get_drvdata(&(d)->dev) 185 #define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p) 186 187 struct locomo_driver { 188 struct device_driver drv; 189 unsigned int devid; 190 int (*probe)(struct locomo_dev *); 191 int (*remove)(struct locomo_dev *); 192 }; 193 194 #define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv) 195 196 #define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name) 197 198 void locomo_lcd_power(struct locomo_dev *, int, unsigned int); 199 200 int locomo_driver_register(struct locomo_driver *); 201 void locomo_driver_unregister(struct locomo_driver *); 202 203 /* GPIO control functions */ 204 void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir); 205 int locomo_gpio_read_level(struct device *dev, unsigned int bits); 206 int locomo_gpio_read_output(struct device *dev, unsigned int bits); 207 void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set); 208 209 /* M62332 control function */ 210 void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel); 211 212 /* Frontlight control */ 213 void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf); 214 215 struct locomo_platform_data { 216 int irq_base; /* IRQ base for cascaded on-chip IRQs */ 217 }; 218 219 #endif 220