include/asm-arm/hardware/locomo.h - arm/linux-arm64-legacy - Git at Google

 /*
  * linux/include/asm-arm/hardware/locomo.h
  *
  * This file contains the definitions for the LoCoMo G/A Chip
  *
  * (C) Copyright 2004 John Lenz
  *
  * May be copied or modified under the terms of the GNU General Public
  * License.  See linux/COPYING for more information.
  *
  * Based on sa1111.h
  */
 #ifndef _ASM_ARCH_LOCOMO
 #define _ASM_ARCH_LOCOMO

 #define locomo_writel(val,addr)	({ *(volatile u16 *)(addr) = (val); })
 #define locomo_readl(addr)	(*(volatile u16 *)(addr))

 /* LOCOMO version */
 #define LOCOMO_VER	0x00

 /* Pin status */
 #define LOCOMO_ST	0x04

 /* Pin status */
 #define LOCOMO_C32K	0x08

 /* Interrupt controller */
 #define LOCOMO_ICR	0x0C

 /* MCS decoder for boot selecting */
 #define LOCOMO_MCSX0	0x10
 #define LOCOMO_MCSX1	0x14
 #define LOCOMO_MCSX2	0x18
 #define LOCOMO_MCSX3	0x1c

 /* Touch panel controller */
 #define LOCOMO_ASD	0x20		/* AD start delay */
 #define LOCOMO_HSD	0x28		/* HSYS delay */
 #define LOCOMO_HSC	0x2c		/* HSYS period */
 #define LOCOMO_TADC	0x30		/* tablet ADC clock */


 /* Long time timer */
 #define LOCOMO_LTC	0xd8		/* LTC interrupt setting */
 #define LOCOMO_LTINT	0xdc		/* LTC interrupt */

 /* DAC control signal for LCD (COMADJ ) */
 #define LOCOMO_DAC		0xe0
 /* DAC control */
 #define	LOCOMO_DAC_SCLOEB	0x08	/* SCL pin output data       */
 #define	LOCOMO_DAC_TEST		0x04	/* Test bit                  */
 #define	LOCOMO_DAC_SDA		0x02	/* SDA pin level (read-only) */
 #define	LOCOMO_DAC_SDAOEB	0x01	/* SDA pin output data       */

 /* SPI interface */
 #define LOCOMO_SPI	0x60
 #define LOCOMO_SPIMD	0x00		/* SPI mode setting */
 #define LOCOMO_SPICT	0x04		/* SPI mode control */
 #define LOCOMO_SPIST	0x08		/* SPI status */
 #define	LOCOMO_SPI_TEND	(1 << 3)	/* Transfer end bit */
 #define	LOCOMO_SPI_REND	(1 << 2)	/* Receive end bit */
 #define	LOCOMO_SPI_RFW	(1 << 1)	/* write buffer bit */
 #define	LOCOMO_SPI_RFR	(1)		/* read buffer bit */

 #define LOCOMO_SPIIS	0x10		/* SPI interrupt status */
 #define LOCOMO_SPIWE	0x14		/* SPI interrupt status write enable */
 #define LOCOMO_SPIIE	0x18		/* SPI interrupt enable */
 #define LOCOMO_SPIIR	0x1c		/* SPI interrupt request */
 #define LOCOMO_SPITD	0x20		/* SPI transfer data write */
 #define LOCOMO_SPIRD	0x24		/* SPI receive data read */
 #define LOCOMO_SPITS	0x28		/* SPI transfer data shift */
 #define LOCOMO_SPIRS	0x2C		/* SPI receive data shift */

 /* GPIO */
 #define LOCOMO_GPD		0x90	/* GPIO direction */
 #define LOCOMO_GPE		0x94	/* GPIO input enable */
 #define LOCOMO_GPL		0x98	/* GPIO level */
 #define LOCOMO_GPO		0x9c	/* GPIO out data setting */
 #define LOCOMO_GRIE		0xa0	/* GPIO rise detection */
 #define LOCOMO_GFIE		0xa4	/* GPIO fall detection */
 #define LOCOMO_GIS		0xa8	/* GPIO edge detection status */
 #define LOCOMO_GWE		0xac	/* GPIO status write enable */
 #define LOCOMO_GIE		0xb0	/* GPIO interrupt enable */
 #define LOCOMO_GIR		0xb4	/* GPIO interrupt request */
 #define	LOCOMO_GPIO(Nb)		(0x01 << (Nb))
 #define LOCOMO_GPIO_RTS		LOCOMO_GPIO(0)
 #define LOCOMO_GPIO_CTS		LOCOMO_GPIO(1)
 #define LOCOMO_GPIO_DSR		LOCOMO_GPIO(2)
 #define LOCOMO_GPIO_DTR		LOCOMO_GPIO(3)
 #define LOCOMO_GPIO_LCD_VSHA_ON	LOCOMO_GPIO(4)
 #define LOCOMO_GPIO_LCD_VSHD_ON	LOCOMO_GPIO(5)
 #define LOCOMO_GPIO_LCD_VEE_ON	LOCOMO_GPIO(6)
 #define LOCOMO_GPIO_LCD_MOD	LOCOMO_GPIO(7)
 #define LOCOMO_GPIO_DAC_ON	LOCOMO_GPIO(8)
 #define LOCOMO_GPIO_FL_VR	LOCOMO_GPIO(9)
 #define LOCOMO_GPIO_DAC_SDATA	LOCOMO_GPIO(10)
 #define LOCOMO_GPIO_DAC_SCK	LOCOMO_GPIO(11)
 #define LOCOMO_GPIO_DAC_SLOAD	LOCOMO_GPIO(12)
 #define LOCOMO_GPIO_CARD_DETECT LOCOMO_GPIO(13)
 #define LOCOMO_GPIO_WRITE_PROT  LOCOMO_GPIO(14)
 #define LOCOMO_GPIO_CARD_POWER  LOCOMO_GPIO(15)

 /* Start the definitions of the devices.  Each device has an initial
  * base address and a series of offsets from that base address. */

 /* Keyboard controller */
 #define LOCOMO_KEYBOARD		0x40
 #define LOCOMO_KIB		0x00	/* KIB level */
 #define LOCOMO_KSC		0x04	/* KSTRB control */
 #define LOCOMO_KCMD		0x08	/* KSTRB command */
 #define LOCOMO_KIC		0x0c	/* Key interrupt */

 /* Front light adjustment controller */
 #define LOCOMO_FRONTLIGHT	0xc8
 #define LOCOMO_ALS		0x00	/* Adjust light cycle */
 #define LOCOMO_ALD		0x04	/* Adjust light duty */

 #define LOCOMO_ALC_EN		0x8000

 /* Backlight controller: TFT signal */
 #define LOCOMO_BACKLIGHT	0x38
 #define LOCOMO_TC		0x00		/* TFT control signal */
 #define LOCOMO_CPSD		0x04		/* CPS delay */

 /* Audio controller */
 #define LOCOMO_AUDIO		0x54
 #define LOCOMO_ACC		0x00	/* Audio clock */
 #define LOCOMO_PAIF		0xD0	/* PCM audio interface */
 /* Audio clock */
 #define	LOCOMO_ACC_XON		0x80
 #define	LOCOMO_ACC_XEN		0x40
 #define	LOCOMO_ACC_XSEL0	0x00
 #define	LOCOMO_ACC_XSEL1	0x20
 #define	LOCOMO_ACC_MCLKEN	0x10
 #define	LOCOMO_ACC_64FSEN	0x08
 #define	LOCOMO_ACC_CLKSEL000	0x00	/* mclk  2 */
 #define	LOCOMO_ACC_CLKSEL001	0x01	/* mclk  3 */
 #define	LOCOMO_ACC_CLKSEL010	0x02	/* mclk  4 */
 #define	LOCOMO_ACC_CLKSEL011	0x03	/* mclk  6 */
 #define	LOCOMO_ACC_CLKSEL100	0x04	/* mclk  8 */
 #define	LOCOMO_ACC_CLKSEL101	0x05	/* mclk 12 */
 /* PCM audio interface */
 #define	LOCOMO_PAIF_SCINV	0x20
 #define	LOCOMO_PAIF_SCEN	0x10
 #define	LOCOMO_PAIF_LRCRST	0x08
 #define	LOCOMO_PAIF_LRCEVE	0x04
 #define	LOCOMO_PAIF_LRCINV	0x02
 #define	LOCOMO_PAIF_LRCEN	0x01

 /* LED controller */
 #define LOCOMO_LED		0xe8
 #define LOCOMO_LPT0		0x00
 #define LOCOMO_LPT1		0x04
 /* LED control */
 #define LOCOMO_LPT_TOFH		0x80
 #define LOCOMO_LPT_TOFL		0x08
 #define LOCOMO_LPT_TOH(TOH)	((TOH & 0x7) << 4)
 #define LOCOMO_LPT_TOL(TOL)	((TOL & 0x7))

 extern struct bus_type locomo_bus_type;

 #define LOCOMO_DEVID_KEYBOARD	0
 #define LOCOMO_DEVID_FRONTLIGHT	1
 #define LOCOMO_DEVID_BACKLIGHT	2
 #define LOCOMO_DEVID_AUDIO	3
 #define LOCOMO_DEVID_LED	4
 #define LOCOMO_DEVID_UART	5
 #define LOCOMO_DEVID_SPI	6

 struct locomo_dev {
 	struct device	dev;
 	unsigned int	devid;
 	unsigned int	irq[1];

 	void		*mapbase;
 	unsigned long	length;

 	u64		dma_mask;
 };

 #define LOCOMO_DEV(_d)	container_of((_d), struct locomo_dev, dev)

 #define locomo_get_drvdata(d)	dev_get_drvdata(&(d)->dev)
 #define locomo_set_drvdata(d,p)	dev_set_drvdata(&(d)->dev, p)

 struct locomo_driver {
 	struct device_driver	drv;
 	unsigned int		devid;
 	int (*probe)(struct locomo_dev *);
 	int (*remove)(struct locomo_dev *);
 	int (*suspend)(struct locomo_dev *, pm_message_t);
 	int (*resume)(struct locomo_dev *);
 };

 #define LOCOMO_DRV(_d)	container_of((_d), struct locomo_driver, drv)

 #define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)

 void locomo_lcd_power(struct locomo_dev *, int, unsigned int);

 int locomo_driver_register(struct locomo_driver *);
 void locomo_driver_unregister(struct locomo_driver *);

 /* GPIO control functions */
 void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir);
 int locomo_gpio_read_level(struct device *dev, unsigned int bits);
 int locomo_gpio_read_output(struct device *dev, unsigned int bits);
 void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set);

 /* M62332 control function */
 void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel);

 /* Frontlight control */
 void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf);

 #endif
	/*
	* linux/include/asm-arm/hardware/locomo.h
	*
	* This file contains the definitions for the LoCoMo G/A Chip
	*
	* (C) Copyright 2004 John Lenz
	*
	* May be copied or modified under the terms of the GNU General Public
	* License. See linux/COPYING for more information.
	*
	* Based on sa1111.h
	*/
	#ifndef _ASM_ARCH_LOCOMO
	#define _ASM_ARCH_LOCOMO

	#define locomo_writel(val,addr) ({ (volatile u16 )(addr) = (val); })
	#define locomo_readl(addr) ((volatile u16 )(addr))

	/* LOCOMO version */
	#define LOCOMO_VER 0x00

	/* Pin status */
	#define LOCOMO_ST 0x04

	/* Pin status */
	#define LOCOMO_C32K 0x08

	/* Interrupt controller */
	#define LOCOMO_ICR 0x0C

	/* MCS decoder for boot selecting */
	#define LOCOMO_MCSX0 0x10
	#define LOCOMO_MCSX1 0x14
	#define LOCOMO_MCSX2 0x18
	#define LOCOMO_MCSX3 0x1c

	/* Touch panel controller */
	#define LOCOMO_ASD 0x20 /* AD start delay */
	#define LOCOMO_HSD 0x28 /* HSYS delay */
	#define LOCOMO_HSC 0x2c /* HSYS period */
	#define LOCOMO_TADC 0x30 /* tablet ADC clock */


	/* Long time timer */
	#define LOCOMO_LTC 0xd8 /* LTC interrupt setting */
	#define LOCOMO_LTINT 0xdc /* LTC interrupt */

	/* DAC control signal for LCD (COMADJ ) */
	#define LOCOMO_DAC 0xe0
	/* DAC control */
	#define LOCOMO_DAC_SCLOEB 0x08 /* SCL pin output data */
	#define LOCOMO_DAC_TEST 0x04 /* Test bit */
	#define LOCOMO_DAC_SDA 0x02 /* SDA pin level (read-only) */
	#define LOCOMO_DAC_SDAOEB 0x01 /* SDA pin output data */

	/* SPI interface */
	#define LOCOMO_SPI 0x60
	#define LOCOMO_SPIMD 0x00 /* SPI mode setting */
	#define LOCOMO_SPICT 0x04 /* SPI mode control */
	#define LOCOMO_SPIST 0x08 /* SPI status */
	#define LOCOMO_SPI_TEND (1 << 3) /* Transfer end bit */
	#define LOCOMO_SPI_REND (1 << 2) /* Receive end bit */
	#define LOCOMO_SPI_RFW (1 << 1) /* write buffer bit */
	#define LOCOMO_SPI_RFR (1) /* read buffer bit */

	#define LOCOMO_SPIIS 0x10 /* SPI interrupt status */
	#define LOCOMO_SPIWE 0x14 /* SPI interrupt status write enable */
	#define LOCOMO_SPIIE 0x18 /* SPI interrupt enable */
	#define LOCOMO_SPIIR 0x1c /* SPI interrupt request */
	#define LOCOMO_SPITD 0x20 /* SPI transfer data write */
	#define LOCOMO_SPIRD 0x24 /* SPI receive data read */
	#define LOCOMO_SPITS 0x28 /* SPI transfer data shift */
	#define LOCOMO_SPIRS 0x2C /* SPI receive data shift */

	/* GPIO */
	#define LOCOMO_GPD 0x90 /* GPIO direction */
	#define LOCOMO_GPE 0x94 /* GPIO input enable */
	#define LOCOMO_GPL 0x98 /* GPIO level */
	#define LOCOMO_GPO 0x9c /* GPIO out data setting */
	#define LOCOMO_GRIE 0xa0 /* GPIO rise detection */
	#define LOCOMO_GFIE 0xa4 /* GPIO fall detection */
	#define LOCOMO_GIS 0xa8 /* GPIO edge detection status */
	#define LOCOMO_GWE 0xac /* GPIO status write enable */
	#define LOCOMO_GIE 0xb0 /* GPIO interrupt enable */
	#define LOCOMO_GIR 0xb4 /* GPIO interrupt request */
	#define LOCOMO_GPIO(Nb) (0x01 << (Nb))
	#define LOCOMO_GPIO_RTS LOCOMO_GPIO(0)
	#define LOCOMO_GPIO_CTS LOCOMO_GPIO(1)
	#define LOCOMO_GPIO_DSR LOCOMO_GPIO(2)
	#define LOCOMO_GPIO_DTR LOCOMO_GPIO(3)
	#define LOCOMO_GPIO_LCD_VSHA_ON LOCOMO_GPIO(4)
	#define LOCOMO_GPIO_LCD_VSHD_ON LOCOMO_GPIO(5)
	#define LOCOMO_GPIO_LCD_VEE_ON LOCOMO_GPIO(6)
	#define LOCOMO_GPIO_LCD_MOD LOCOMO_GPIO(7)
	#define LOCOMO_GPIO_DAC_ON LOCOMO_GPIO(8)
	#define LOCOMO_GPIO_FL_VR LOCOMO_GPIO(9)
	#define LOCOMO_GPIO_DAC_SDATA LOCOMO_GPIO(10)
	#define LOCOMO_GPIO_DAC_SCK LOCOMO_GPIO(11)
	#define LOCOMO_GPIO_DAC_SLOAD LOCOMO_GPIO(12)
	#define LOCOMO_GPIO_CARD_DETECT LOCOMO_GPIO(13)
	#define LOCOMO_GPIO_WRITE_PROT LOCOMO_GPIO(14)
	#define LOCOMO_GPIO_CARD_POWER LOCOMO_GPIO(15)

	/* Start the definitions of the devices. Each device has an initial
	* base address and a series of offsets from that base address. */

	/* Keyboard controller */
	#define LOCOMO_KEYBOARD 0x40
	#define LOCOMO_KIB 0x00 /* KIB level */
	#define LOCOMO_KSC 0x04 /* KSTRB control */
	#define LOCOMO_KCMD 0x08 /* KSTRB command */
	#define LOCOMO_KIC 0x0c /* Key interrupt */

	/* Front light adjustment controller */
	#define LOCOMO_FRONTLIGHT 0xc8
	#define LOCOMO_ALS 0x00 /* Adjust light cycle */
	#define LOCOMO_ALD 0x04 /* Adjust light duty */

	#define LOCOMO_ALC_EN 0x8000

	/* Backlight controller: TFT signal */
	#define LOCOMO_BACKLIGHT 0x38
	#define LOCOMO_TC 0x00 /* TFT control signal */
	#define LOCOMO_CPSD 0x04 /* CPS delay */

	/* Audio controller */
	#define LOCOMO_AUDIO 0x54
	#define LOCOMO_ACC 0x00 /* Audio clock */
	#define LOCOMO_PAIF 0xD0 /* PCM audio interface */
	/* Audio clock */
	#define LOCOMO_ACC_XON 0x80
	#define LOCOMO_ACC_XEN 0x40
	#define LOCOMO_ACC_XSEL0 0x00
	#define LOCOMO_ACC_XSEL1 0x20
	#define LOCOMO_ACC_MCLKEN 0x10
	#define LOCOMO_ACC_64FSEN 0x08
	#define LOCOMO_ACC_CLKSEL000 0x00 /* mclk 2 */
	#define LOCOMO_ACC_CLKSEL001 0x01 /* mclk 3 */
	#define LOCOMO_ACC_CLKSEL010 0x02 /* mclk 4 */
	#define LOCOMO_ACC_CLKSEL011 0x03 /* mclk 6 */
	#define LOCOMO_ACC_CLKSEL100 0x04 /* mclk 8 */
	#define LOCOMO_ACC_CLKSEL101 0x05 /* mclk 12 */
	/* PCM audio interface */
	#define LOCOMO_PAIF_SCINV 0x20
	#define LOCOMO_PAIF_SCEN 0x10
	#define LOCOMO_PAIF_LRCRST 0x08
	#define LOCOMO_PAIF_LRCEVE 0x04
	#define LOCOMO_PAIF_LRCINV 0x02
	#define LOCOMO_PAIF_LRCEN 0x01

	/* LED controller */
	#define LOCOMO_LED 0xe8
	#define LOCOMO_LPT0 0x00
	#define LOCOMO_LPT1 0x04
	/* LED control */
	#define LOCOMO_LPT_TOFH 0x80
	#define LOCOMO_LPT_TOFL 0x08
	#define LOCOMO_LPT_TOH(TOH) ((TOH & 0x7) << 4)
	#define LOCOMO_LPT_TOL(TOL) ((TOL & 0x7))

	extern struct bus_type locomo_bus_type;

	#define LOCOMO_DEVID_KEYBOARD 0
	#define LOCOMO_DEVID_FRONTLIGHT 1
	#define LOCOMO_DEVID_BACKLIGHT 2
	#define LOCOMO_DEVID_AUDIO 3
	#define LOCOMO_DEVID_LED 4
	#define LOCOMO_DEVID_UART 5
	#define LOCOMO_DEVID_SPI 6

	struct locomo_dev {
	struct device dev;
	unsigned int devid;
	unsigned int irq[1];

	void *mapbase;
	unsigned long length;

	u64 dma_mask;
	};

	#define LOCOMO_DEV(_d) container_of((_d), struct locomo_dev, dev)

	#define locomo_get_drvdata(d) dev_get_drvdata(&(d)->dev)
	#define locomo_set_drvdata(d,p) dev_set_drvdata(&(d)->dev, p)

	struct locomo_driver {
	struct device_driver drv;
	unsigned int devid;
	int (probe)(struct locomo_dev );
	int (remove)(struct locomo_dev );
	int (suspend)(struct locomo_dev , pm_message_t);
	int (resume)(struct locomo_dev );
	};

	#define LOCOMO_DRV(_d) container_of((_d), struct locomo_driver, drv)

	#define LOCOMO_DRIVER_NAME(_ldev) ((_ldev)->dev.driver->name)

	void locomo_lcd_power(struct locomo_dev *, int, unsigned int);

	int locomo_driver_register(struct locomo_driver *);
	void locomo_driver_unregister(struct locomo_driver *);

	/* GPIO control functions */
	void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir);
	int locomo_gpio_read_level(struct device *dev, unsigned int bits);
	int locomo_gpio_read_output(struct device *dev, unsigned int bits);
	void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set);

	/* M62332 control function */
	void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int channel);

	/* Frontlight control */
	void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf);

	#endif