1/* 2 * linux/include/asm-arm/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_SPIIS 0x10 /* SPI interrupt status */ 62#define LOCOMO_SPIWE 0x14 /* SPI interrupt status write enable */ 63#define LOCOMO_SPIIE 0x18 /* SPI interrupt enable */ 64#define LOCOMO_SPIIR 0x1c /* SPI interrupt request */ 65#define LOCOMO_SPITD 0x20 /* SPI transfer data write */ 66#define LOCOMO_SPIRD 0x24 /* SPI receive data read */ 67#define LOCOMO_SPITS 0x28 /* SPI transfer data shift */ 68#define LOCOMO_SPIRS 0x2C /* SPI receive data shift */ 69#define LOCOMO_SPI_TEND (1 << 3) /* Transfer end bit */ 70#define LOCOMO_SPI_OVRN (1 << 2) /* Over Run bit */ 71#define LOCOMO_SPI_RFW (1 << 1) /* write buffer bit */ 72#define LOCOMO_SPI_RFR (1) /* read buffer bit */ 73 74/* GPIO */ 75#define LOCOMO_GPD 0x90 /* GPIO direction */ 76#define LOCOMO_GPE 0x94 /* GPIO input enable */ 77#define LOCOMO_GPL 0x98 /* GPIO level */ 78#define LOCOMO_GPO 0x9c /* GPIO out data setteing */ 79#define LOCOMO_GRIE 0xa0 /* GPIO rise detection */ 80#define LOCOMO_GFIE 0xa4 /* GPIO fall detection */ 81#define LOCOMO_GIS 0xa8 /* GPIO edge detection status */ 82#define LOCOMO_GWE 0xac /* GPIO status write enable */ 83#define LOCOMO_GIE 0xb0 /* GPIO interrupt enable */ 84#define LOCOMO_GIR 0xb4 /* GPIO interrupt request */ 85#define LOCOMO_GPIO(Nb) (0x01 << (Nb)) 86#define LOCOMO_GPIO_RTS LOCOMO_GPIO(0) 87#define LOCOMO_GPIO_CTS LOCOMO_GPIO(1) 88#define LOCOMO_GPIO_DSR LOCOMO_GPIO(2) 89#define LOCOMO_GPIO_DTR LOCOMO_GPIO(3) 90#define LOCOMO_GPIO_LCD_VSHA_ON LOCOMO_GPIO(4) 91#define LOCOMO_GPIO_LCD_VSHD_ON LOCOMO_GPIO(5) 92#define LOCOMO_GPIO_LCD_VEE_ON LOCOMO_GPIO(6) 93#define LOCOMO_GPIO_LCD_MOD LOCOMO_GPIO(7) 94#define LOCOMO_GPIO_DAC_ON LOCOMO_GPIO(8) 95#define LOCOMO_GPIO_FL_VR LOCOMO_GPIO(9) 96#define LOCOMO_GPIO_DAC_SDATA LOCOMO_GPIO(10) 97#define LOCOMO_GPIO_DAC_SCK LOCOMO_GPIO(11) 98#define LOCOMO_GPIO_DAC_SLOAD LOCOMO_GPIO(12) 99 100/* Start the definitions of the devices. Each device has an initial 101 * base address and a series of offsets from that base address. */ 102 103/* Keyboard controller */ 104#define LOCOMO_KEYBOARD 0x40 105#define LOCOMO_KIB 0x00 /* KIB level */ 106#define LOCOMO_KSC 0x04 /* KSTRB control */ 107#define LOCOMO_KCMD 0x08 /* KSTRB command */ 108#define LOCOMO_KIC 0x0c /* Key interrupt */ 109 110/* Front light adjustment controller */ 111#define LOCOMO_FRONTLIGHT 0xc8 112#define LOCOMO_ALS 0x00 /* Adjust light cycle */ 113#define LOCOMO_ALD 0x04 /* Adjust light duty */ 114 115#define LOCOMO_ALC_EN 0x8000 116 117/* Backlight controller: TFT signal */ 118#define LOCOMO_BACKLIGHT 0x38 119#define LOCOMO_TC 0x00 /* TFT control signal */ 120#define LOCOMO_CPSD 0x04 /* CPS delay */ 121 122/* Audio controller */ 123#define LOCOMO_AUDIO 0x54 124#define LOCOMO_ACC 0x00 /* Audio clock */ 125#define LOCOMO_PAIF 0x7C /* PCM audio interface */ 126/* Audio clock */ 127#define LOCOMO_ACC_XON 0x80 128#define LOCOMO_ACC_XEN 0x40 129#define LOCOMO_ACC_XSEL0 0x00 130#define LOCOMO_ACC_XSEL1 0x20 131#define LOCOMO_ACC_MCLKEN 0x10 132#define LOCOMO_ACC_64FSEN 0x08 133#define LOCOMO_ACC_CLKSEL000 0x00 /* mclk 2 */ 134#define LOCOMO_ACC_CLKSEL001 0x01 /* mclk 3 */ 135#define LOCOMO_ACC_CLKSEL010 0x02 /* mclk 4 */ 136#define LOCOMO_ACC_CLKSEL011 0x03 /* mclk 6 */ 137#define LOCOMO_ACC_CLKSEL100 0x04 /* mclk 8 */ 138#define LOCOMO_ACC_CLKSEL101 0x05 /* mclk 12 */ 139/* PCM audio interface */ 140#define LOCOMO_PAIF_SCINV 0x20 141#define LOCOMO_PAIF_SCEN 0x10 142#define LOCOMO_PAIF_LRCRST 0x08 143#define LOCOMO_PAIF_LRCEVE 0x04 144#define LOCOMO_PAIF_LRCINV 0x02 145#define LOCOMO_PAIF_LRCEN 0x01 146 147/* LED controller */ 148#define LOCOMO_LED 0xe8 149#define LOCOMO_LPT0 0x00 150#define LOCOMO_LPT1 0x04 151/* LED control */ 152#define LOCOMO_LPT_TOFH 0x80 153#define LOCOMO_LPT_TOFL 0x08 154#define LOCOMO_LPT_TOH(TOH) ((TOH & 0x7) << 4) 155#define LOCOMO_LPT_TOL(TOL) ((TOL & 0x7)) 156 157extern struct bus_type locomo_bus_type; 158 159#define LOCOMO_DEVID_KEYBOARD 0 160#define LOCOMO_DEVID_FRONTLIGHT 1 161#define LOCOMO_DEVID_BACKLIGHT 2 162#define LOCOMO_DEVID_AUDIO 3 163#define LOCOMO_DEVID_LED 4 164#define LOCOMO_DEVID_UART 5 165#define LOCOMO_DEVID_SPI 6 166 167struct locomo_dev { 168 struct device dev; 169 unsigned int devid; 170 unsigned int irq[1]; 171 172 void *mapbase; 173 unsigned long length; 174 175 u64 dma_mask; 176}; 177 178#define LOCOMO_DEV(_d) container_of((_d), struct locomo_dev, dev) 179 180#define locomo_get_drvdata(d) dev_get_drvdata(&(d)->dev) 181#define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p) 182 183struct locomo_driver { 184 struct device_driver drv; 185 unsigned int devid; 186 int (*probe)(struct locomo_dev *); 187 int (*remove)(struct locomo_dev *); 188 int (*suspend)(struct locomo_dev *, pm_message_t); 189 int (*resume)(struct locomo_dev *); 190}; 191 192#define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv) 193 194#define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name) 195 196void locomo_lcd_power(struct locomo_dev *, int, unsigned int); 197 198int locomo_driver_register(struct locomo_driver *); 199void locomo_driver_unregister(struct locomo_driver *); 200 201/* GPIO control functions */ 202void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir); 203int locomo_gpio_read_level(struct device *dev, unsigned int bits); 204int locomo_gpio_read_output(struct device *dev, unsigned int bits); 205void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set); 206 207 208/* M62332 control function */ 209void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel); 210 211/* Frontlight control */ 212void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf); 213 214#endif 215