220 lines
7 KiB
C
220 lines
7 KiB
C
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/*
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* arch/arm/include/asm/hardware/locomo.h
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*
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* This file contains the definitions for the LoCoMo G/A Chip
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*
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* (C) Copyright 2004 John Lenz
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*
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* May be copied or modified under the terms of the GNU General Public
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* License. See linux/COPYING for more information.
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*
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* Based on sa1111.h
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*/
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#ifndef _ASM_ARCH_LOCOMO
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#define _ASM_ARCH_LOCOMO
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#define locomo_writel(val,addr) ({ *(volatile u16 *)(addr) = (val); })
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#define locomo_readl(addr) (*(volatile u16 *)(addr))
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/* LOCOMO version */
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#define LOCOMO_VER 0x00
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/* Pin status */
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#define LOCOMO_ST 0x04
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/* Pin status */
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#define LOCOMO_C32K 0x08
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/* Interrupt controller */
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#define LOCOMO_ICR 0x0C
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/* MCS decoder for boot selecting */
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#define LOCOMO_MCSX0 0x10
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#define LOCOMO_MCSX1 0x14
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#define LOCOMO_MCSX2 0x18
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#define LOCOMO_MCSX3 0x1c
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/* Touch panel controller */
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#define LOCOMO_ASD 0x20 /* AD start delay */
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#define LOCOMO_HSD 0x28 /* HSYS delay */
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#define LOCOMO_HSC 0x2c /* HSYS period */
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#define LOCOMO_TADC 0x30 /* tablet ADC clock */
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/* Long time timer */
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#define LOCOMO_LTC 0xd8 /* LTC interrupt setting */
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#define LOCOMO_LTINT 0xdc /* LTC interrupt */
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/* DAC control signal for LCD (COMADJ ) */
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#define LOCOMO_DAC 0xe0
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/* DAC control */
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#define LOCOMO_DAC_SCLOEB 0x08 /* SCL pin output data */
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#define LOCOMO_DAC_TEST 0x04 /* Test bit */
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#define LOCOMO_DAC_SDA 0x02 /* SDA pin level (read-only) */
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#define LOCOMO_DAC_SDAOEB 0x01 /* SDA pin output data */
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/* SPI interface */
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#define LOCOMO_SPI 0x60
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#define LOCOMO_SPIMD 0x00 /* SPI mode setting */
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#define LOCOMO_SPICT 0x04 /* SPI mode control */
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#define LOCOMO_SPIST 0x08 /* SPI status */
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#define LOCOMO_SPI_TEND (1 << 3) /* Transfer end bit */
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#define LOCOMO_SPI_REND (1 << 2) /* Receive end bit */
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#define LOCOMO_SPI_RFW (1 << 1) /* write buffer bit */
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#define LOCOMO_SPI_RFR (1) /* read buffer bit */
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#define LOCOMO_SPIIS 0x10 /* SPI interrupt status */
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#define LOCOMO_SPIWE 0x14 /* SPI interrupt status write enable */
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#define LOCOMO_SPIIE 0x18 /* SPI interrupt enable */
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#define LOCOMO_SPIIR 0x1c /* SPI interrupt request */
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#define LOCOMO_SPITD 0x20 /* SPI transfer data write */
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#define LOCOMO_SPIRD 0x24 /* SPI receive data read */
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#define LOCOMO_SPITS 0x28 /* SPI transfer data shift */
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#define LOCOMO_SPIRS 0x2C /* SPI receive data shift */
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/* GPIO */
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#define LOCOMO_GPD 0x90 /* GPIO direction */
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#define LOCOMO_GPE 0x94 /* GPIO input enable */
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#define LOCOMO_GPL 0x98 /* GPIO level */
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#define LOCOMO_GPO 0x9c /* GPIO out data setting */
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#define LOCOMO_GRIE 0xa0 /* GPIO rise detection */
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#define LOCOMO_GFIE 0xa4 /* GPIO fall detection */
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#define LOCOMO_GIS 0xa8 /* GPIO edge detection status */
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#define LOCOMO_GWE 0xac /* GPIO status write enable */
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#define LOCOMO_GIE 0xb0 /* GPIO interrupt enable */
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#define LOCOMO_GIR 0xb4 /* GPIO interrupt request */
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#define LOCOMO_GPIO(Nb) (0x01 << (Nb))
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#define LOCOMO_GPIO_RTS LOCOMO_GPIO(0)
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#define LOCOMO_GPIO_CTS LOCOMO_GPIO(1)
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#define LOCOMO_GPIO_DSR LOCOMO_GPIO(2)
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#define LOCOMO_GPIO_DTR LOCOMO_GPIO(3)
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#define LOCOMO_GPIO_LCD_VSHA_ON LOCOMO_GPIO(4)
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#define LOCOMO_GPIO_LCD_VSHD_ON LOCOMO_GPIO(5)
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#define LOCOMO_GPIO_LCD_VEE_ON LOCOMO_GPIO(6)
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#define LOCOMO_GPIO_LCD_MOD LOCOMO_GPIO(7)
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#define LOCOMO_GPIO_DAC_ON LOCOMO_GPIO(8)
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#define LOCOMO_GPIO_FL_VR LOCOMO_GPIO(9)
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#define LOCOMO_GPIO_DAC_SDATA LOCOMO_GPIO(10)
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#define LOCOMO_GPIO_DAC_SCK LOCOMO_GPIO(11)
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#define LOCOMO_GPIO_DAC_SLOAD LOCOMO_GPIO(12)
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#define LOCOMO_GPIO_CARD_DETECT LOCOMO_GPIO(13)
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#define LOCOMO_GPIO_WRITE_PROT LOCOMO_GPIO(14)
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#define LOCOMO_GPIO_CARD_POWER LOCOMO_GPIO(15)
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/* Start the definitions of the devices. Each device has an initial
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* base address and a series of offsets from that base address. */
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/* Keyboard controller */
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#define LOCOMO_KEYBOARD 0x40
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#define LOCOMO_KIB 0x00 /* KIB level */
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#define LOCOMO_KSC 0x04 /* KSTRB control */
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#define LOCOMO_KCMD 0x08 /* KSTRB command */
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#define LOCOMO_KIC 0x0c /* Key interrupt */
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/* Front light adjustment controller */
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#define LOCOMO_FRONTLIGHT 0xc8
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#define LOCOMO_ALS 0x00 /* Adjust light cycle */
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#define LOCOMO_ALD 0x04 /* Adjust light duty */
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#define LOCOMO_ALC_EN 0x8000
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/* Backlight controller: TFT signal */
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#define LOCOMO_BACKLIGHT 0x38
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#define LOCOMO_TC 0x00 /* TFT control signal */
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#define LOCOMO_CPSD 0x04 /* CPS delay */
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/* Audio controller */
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#define LOCOMO_AUDIO 0x54
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#define LOCOMO_ACC 0x00 /* Audio clock */
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#define LOCOMO_PAIF 0xD0 /* PCM audio interface */
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/* Audio clock */
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#define LOCOMO_ACC_XON 0x80
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#define LOCOMO_ACC_XEN 0x40
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#define LOCOMO_ACC_XSEL0 0x00
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#define LOCOMO_ACC_XSEL1 0x20
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#define LOCOMO_ACC_MCLKEN 0x10
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#define LOCOMO_ACC_64FSEN 0x08
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#define LOCOMO_ACC_CLKSEL000 0x00 /* mclk 2 */
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#define LOCOMO_ACC_CLKSEL001 0x01 /* mclk 3 */
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#define LOCOMO_ACC_CLKSEL010 0x02 /* mclk 4 */
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#define LOCOMO_ACC_CLKSEL011 0x03 /* mclk 6 */
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#define LOCOMO_ACC_CLKSEL100 0x04 /* mclk 8 */
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#define LOCOMO_ACC_CLKSEL101 0x05 /* mclk 12 */
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/* PCM audio interface */
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#define LOCOMO_PAIF_SCINV 0x20
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#define LOCOMO_PAIF_SCEN 0x10
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#define LOCOMO_PAIF_LRCRST 0x08
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#define LOCOMO_PAIF_LRCEVE 0x04
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#define LOCOMO_PAIF_LRCINV 0x02
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#define LOCOMO_PAIF_LRCEN 0x01
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/* LED controller */
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#define LOCOMO_LED 0xe8
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#define LOCOMO_LPT0 0x00
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#define LOCOMO_LPT1 0x04
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/* LED control */
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#define LOCOMO_LPT_TOFH 0x80
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#define LOCOMO_LPT_TOFL 0x08
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#define LOCOMO_LPT_TOH(TOH) ((TOH & 0x7) << 4)
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#define LOCOMO_LPT_TOL(TOL) ((TOL & 0x7))
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extern struct bus_type locomo_bus_type;
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#define LOCOMO_DEVID_KEYBOARD 0
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#define LOCOMO_DEVID_FRONTLIGHT 1
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#define LOCOMO_DEVID_BACKLIGHT 2
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#define LOCOMO_DEVID_AUDIO 3
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#define LOCOMO_DEVID_LED 4
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#define LOCOMO_DEVID_UART 5
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#define LOCOMO_DEVID_SPI 6
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struct locomo_dev {
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struct device dev;
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unsigned int devid;
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unsigned int irq[1];
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void *mapbase;
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unsigned long length;
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u64 dma_mask;
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};
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#define LOCOMO_DEV(_d) container_of((_d), struct locomo_dev, dev)
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#define locomo_get_drvdata(d) dev_get_drvdata(&(d)->dev)
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#define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p)
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struct locomo_driver {
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struct device_driver drv;
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unsigned int devid;
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int (*probe)(struct locomo_dev *);
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int (*remove)(struct locomo_dev *);
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};
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#define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv)
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#define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)
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void locomo_lcd_power(struct locomo_dev *, int, unsigned int);
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int locomo_driver_register(struct locomo_driver *);
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void locomo_driver_unregister(struct locomo_driver *);
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/* GPIO control functions */
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void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir);
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int locomo_gpio_read_level(struct device *dev, unsigned int bits);
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int locomo_gpio_read_output(struct device *dev, unsigned int bits);
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void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set);
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/* M62332 control function */
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void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel);
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/* Frontlight control */
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void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf);
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struct locomo_platform_data {
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int irq_base; /* IRQ base for cascaded on-chip IRQs */
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};
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#endif
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