#include <linux/init.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <mach/board.h>
#include <mach/cpu.h>

Data Structures
struct	atmel_tsadcc

Macros
#define	ATMEL_TSADCC_CR 0x00 /* Control register */

#define	ATMEL_TSADCC_SWRST (1 << 0) /* Software Reset*/

#define	ATMEL_TSADCC_START (1 << 1) /* Start conversion */

#define	ATMEL_TSADCC_MR 0x04 /* Mode register */

#define	ATMEL_TSADCC_TSAMOD (3 << 0) /* ADC mode */

#define	ATMEL_TSADCC_TSAMOD_ADC_ONLY_MODE (0x0) /* ADC Mode */

#define	ATMEL_TSADCC_TSAMOD_TS_ONLY_MODE (0x1) /* Touch Screen Only Mode */

#define	ATMEL_TSADCC_LOWRES (1 << 4) /* Resolution selection */

#define	ATMEL_TSADCC_SLEEP (1 << 5) /* Sleep mode */

#define	ATMEL_TSADCC_PENDET (1 << 6) /* Pen Detect selection */

#define	ATMEL_TSADCC_PRES (1 << 7) /* Pressure Measurement Selection */

#define	ATMEL_TSADCC_PRESCAL (0x3f << 8) /* Prescalar Rate Selection */

#define	ATMEL_TSADCC_EPRESCAL (0xff << 8) /* Prescalar Rate Selection (Extended) */

#define	ATMEL_TSADCC_STARTUP (0x7f << 16) /* Start Up time */

#define	ATMEL_TSADCC_SHTIM (0xf << 24) /* Sample & Hold time */

#define	ATMEL_TSADCC_PENDBC (0xf << 28) /* Pen Detect debouncing time */

#define	ATMEL_TSADCC_TRGR 0x08 /* Trigger register */

#define	ATMEL_TSADCC_TRGMOD (7 << 0) /* Trigger mode */

#define	ATMEL_TSADCC_TRGMOD_NONE (0 << 0)

#define	ATMEL_TSADCC_TRGMOD_EXT_RISING (1 << 0)

#define	ATMEL_TSADCC_TRGMOD_EXT_FALLING (2 << 0)

#define	ATMEL_TSADCC_TRGMOD_EXT_ANY (3 << 0)

#define	ATMEL_TSADCC_TRGMOD_PENDET (4 << 0)

#define	ATMEL_TSADCC_TRGMOD_PERIOD (5 << 0)

#define	ATMEL_TSADCC_TRGMOD_CONTINUOUS (6 << 0)

#define	ATMEL_TSADCC_TRGPER (0xffff << 16) /* Trigger period */

#define	ATMEL_TSADCC_TSR 0x0C /* Touch Screen register */

#define	ATMEL_TSADCC_TSFREQ (0xf << 0) /* TS Frequency in Interleaved mode */

#define	ATMEL_TSADCC_TSSHTIM (0xf << 24) /* Sample & Hold time */

#define	ATMEL_TSADCC_CHER 0x10 /* Channel Enable register */

#define	ATMEL_TSADCC_CHDR 0x14 /* Channel Disable register */

#define	ATMEL_TSADCC_CHSR 0x18 /* Channel Status register */

#define	ATMEL_TSADCC_CH(n) (1 << (n)) /* Channel number */

#define	ATMEL_TSADCC_SR 0x1C /* Status register */

#define	ATMEL_TSADCC_EOC(n) (1 << ((n)+0)) /* End of conversion for channel N */

#define	ATMEL_TSADCC_OVRE(n) (1 << ((n)+8)) /* Overrun error for channel N */

#define	ATMEL_TSADCC_DRDY (1 << 16) /* Data Ready */

#define	ATMEL_TSADCC_GOVRE (1 << 17) /* General Overrun Error */

#define	ATMEL_TSADCC_ENDRX (1 << 18) /* End of RX Buffer */

#define	ATMEL_TSADCC_RXBUFF (1 << 19) /* TX Buffer full */

#define	ATMEL_TSADCC_PENCNT (1 << 20) /* Pen contact */

#define	ATMEL_TSADCC_NOCNT (1 << 21) /* No contact */

#define	ATMEL_TSADCC_LCDR 0x20 /* Last Converted Data register */

#define	ATMEL_TSADCC_DATA (0x3ff << 0) /* Channel data */

#define	ATMEL_TSADCC_IER 0x24 /* Interrupt Enable register */

#define	ATMEL_TSADCC_IDR 0x28 /* Interrupt Disable register */

#define	ATMEL_TSADCC_IMR 0x2C /* Interrupt Mask register */

#define	ATMEL_TSADCC_CDR0 0x30 /* Channel Data 0 */

#define	ATMEL_TSADCC_CDR1 0x34 /* Channel Data 1 */

#define	ATMEL_TSADCC_CDR2 0x38 /* Channel Data 2 */

#define	ATMEL_TSADCC_CDR3 0x3C /* Channel Data 3 */

#define	ATMEL_TSADCC_CDR4 0x40 /* Channel Data 4 */

#define	ATMEL_TSADCC_CDR5 0x44 /* Channel Data 5 */

#define	ATMEL_TSADCC_XPOS 0x50

#define	ATMEL_TSADCC_Z1DAT 0x54

#define	ATMEL_TSADCC_Z2DAT 0x58

#define	PRESCALER_VAL(x) ((x) >> 8)

#define	ADC_DEFAULT_CLOCK 100000

#define	atmel_tsadcc_read(reg) __raw_readl(tsc_base + (reg))

#define	atmel_tsadcc_write(reg, val) __raw_writel((val), tsc_base + (reg))

Functions
	module_platform_driver (atmel_tsadcc_driver)

	MODULE_LICENSE ("GPL")

	MODULE_DESCRIPTION ("Atmel TouchScreen Driver")

	MODULE_AUTHOR ("Dan Liang <[email protected]>")

Macro Definition Documentation

#define ADC_DEFAULT_CLOCK 100000

Definition at line 97 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CDR0 0x30 /* Channel Data 0 */

Definition at line 84 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CDR1 0x34 /* Channel Data 1 */

Definition at line 85 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CDR2 0x38 /* Channel Data 2 */

Definition at line 86 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CDR3 0x3C /* Channel Data 3 */

Definition at line 87 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CDR4 0x40 /* Channel Data 4 */

Definition at line 88 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CDR5 0x44 /* Channel Data 5 */

Definition at line 89 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CH ( n ) (1 << (n)) /* Channel number */

Definition at line 66 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CHDR 0x14 /* Channel Disable register */

Definition at line 64 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CHER 0x10 /* Channel Enable register */

Definition at line 63 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CHSR 0x18 /* Channel Status register */

Definition at line 65 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_CR 0x00 /* Control register */

Definition at line 30 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_DATA (0x3ff << 0) /* Channel data */

Definition at line 79 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_DRDY (1 << 16) /* Data Ready */

Definition at line 71 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_ENDRX (1 << 18) /* End of RX Buffer */

Definition at line 73 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_EOC ( n ) (1 << ((n)+0)) /* End of conversion for channel N */

Definition at line 69 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_EPRESCAL (0xff << 8) /* Prescalar Rate Selection (Extended) */

Definition at line 43 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_GOVRE (1 << 17) /* General Overrun Error */

Definition at line 72 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_IDR 0x28 /* Interrupt Disable register */

Definition at line 82 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_IER 0x24 /* Interrupt Enable register */

Definition at line 81 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_IMR 0x2C /* Interrupt Mask register */

Definition at line 83 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_LCDR 0x20 /* Last Converted Data register */

Definition at line 78 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_LOWRES (1 << 4) /* Resolution selection */

Definition at line 38 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_MR 0x04 /* Mode register */

Definition at line 34 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_NOCNT (1 << 21) /* No contact */

Definition at line 76 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_OVRE ( n ) (1 << ((n)+8)) /* Overrun error for channel N */

Definition at line 70 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_PENCNT (1 << 20) /* Pen contact */

Definition at line 75 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_PENDBC (0xf << 28) /* Pen Detect debouncing time */

Definition at line 46 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_PENDET (1 << 6) /* Pen Detect selection */

Definition at line 40 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_PRES (1 << 7) /* Pressure Measurement Selection */

Definition at line 41 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_PRESCAL (0x3f << 8) /* Prescalar Rate Selection */

Definition at line 42 of file atmel_tsadcc.c.

#define atmel_tsadcc_read ( reg ) __raw_readl(tsc_base + (reg))

Definition at line 111 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_RXBUFF (1 << 19) /* TX Buffer full */

Definition at line 74 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_SHTIM (0xf << 24) /* Sample & Hold time */

Definition at line 45 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_SLEEP (1 << 5) /* Sleep mode */

Definition at line 39 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_SR 0x1C /* Status register */

Definition at line 68 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_START (1 << 1) /* Start conversion */

Definition at line 32 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_STARTUP (0x7f << 16) /* Start Up time */

Definition at line 44 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_SWRST (1 << 0) /* Software Reset*/

Definition at line 31 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGMOD (7 << 0) /* Trigger mode */

Definition at line 49 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGMOD_CONTINUOUS (6 << 0)

Definition at line 56 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGMOD_EXT_ANY (3 << 0)

Definition at line 53 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGMOD_EXT_FALLING (2 << 0)

Definition at line 52 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGMOD_EXT_RISING (1 << 0)

Definition at line 51 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGMOD_NONE (0 << 0)

Definition at line 50 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGMOD_PENDET (4 << 0)

Definition at line 54 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGMOD_PERIOD (5 << 0)

Definition at line 55 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGPER (0xffff << 16) /* Trigger period */

Definition at line 57 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TRGR 0x08 /* Trigger register */

Definition at line 48 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TSAMOD (3 << 0) /* ADC mode */

Definition at line 35 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TSAMOD_ADC_ONLY_MODE (0x0) /* ADC Mode */

Definition at line 36 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TSAMOD_TS_ONLY_MODE (0x1) /* Touch Screen Only Mode */

Definition at line 37 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TSFREQ (0xf << 0) /* TS Frequency in Interleaved mode */

Definition at line 60 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TSR 0x0C /* Touch Screen register */

Definition at line 59 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_TSSHTIM (0xf << 24) /* Sample & Hold time */

Definition at line 61 of file atmel_tsadcc.c.

#define atmel_tsadcc_write	(	reg,
		val
	)	__raw_writel((val), tsc_base + (reg))

Definition at line 112 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_XPOS 0x50

Definition at line 91 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_Z1DAT 0x54

Definition at line 92 of file atmel_tsadcc.c.

#define ATMEL_TSADCC_Z2DAT 0x58

Definition at line 93 of file atmel_tsadcc.c.

#define PRESCALER_VAL ( x ) ((x) >> 8)

Definition at line 95 of file atmel_tsadcc.c.

Function Documentation

MODULE_AUTHOR ( "Dan Liang <[email protected]>" )

MODULE_DESCRIPTION ( "Atmel TouchScreen Driver" )

MODULE_LICENSE ( "GPL" )

module_platform_driver ( atmel_tsadcc_driver )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation