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linux-hardened/include/asm-arm/hardware/locomo.h
Dirk Opfer a2025e7f73 [ARM] 3863/1: Add Locomo SPI Device 
The Locomo chip has a SPI interface which is used for SD/MMC cards (only collie).
This patch adds the definition for the SPI device inside the Locomo chip.

Signed-off-by: Dirk Opfer <Dirk@Opfer-Online.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-27 20:59:00 +01:00

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/*
* 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_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 */
#define LOCOMO_SPI_TEND (1 << 3) /* Transfer end bit */
#define LOCOMO_SPI_OVRN (1 << 2) /* Over Run bit */
#define LOCOMO_SPI_RFW (1 << 1) /* write buffer bit */
#define LOCOMO_SPI_RFR (1) /* read buffer bit */
/* 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 setteing */
#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)
/* 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 0x7C /* 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
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