| #ifndef _ASM_ETRAXGPIO_H |
| #define _ASM_ETRAXGPIO_H |
| |
| /* etraxgpio _IOC_TYPE, bits 8 to 15 in ioctl cmd */ |
| |
| #define ETRAXGPIO_IOCTYPE 43 |
| |
| /* supported ioctl _IOC_NR's */ |
| |
| #define IO_READBITS 0x1 /* read and return current port bits */ |
| #define IO_SETBITS 0x2 /* set the bits marked by 1 in the argument */ |
| #define IO_CLRBITS 0x3 /* clear the bits marked by 1 in the argument */ |
| |
| /* the alarm is waited for by select() */ |
| |
| #define IO_HIGHALARM 0x4 /* set alarm on high for bits marked by 1 */ |
| #define IO_LOWALARM 0x5 /* set alarm on low for bits marked by 1 */ |
| #define IO_CLRALARM 0x6 /* clear alarm for bits marked by 1 */ |
| |
| /* LED ioctl */ |
| #define IO_LEDACTIVE_SET 0x7 /* set active led |
| * 0=off, 1=green, 2=red, 3=yellow */ |
| |
| /* GPIO direction ioctl's */ |
| #define IO_READDIR 0x8 /* Read direction 0=input 1=output */ |
| #define IO_SETINPUT 0x9 /* Set direction 0=unchanged 1=input, |
| returns current dir */ |
| #define IO_SETOUTPUT 0xA /* Set direction 0=unchanged 1=output, |
| returns current dir */ |
| |
| /* LED ioctl extended */ |
| #define IO_LED_SETBIT 0xB |
| #define IO_LED_CLRBIT 0xC |
| |
| /* SHUTDOWN ioctl */ |
| #define IO_SHUTDOWN 0xD |
| #define IO_GET_PWR_BT 0xE |
| |
| /* Bit toggling in driver settings */ |
| /* bit set in low byte0 is CLK mask (0x00FF), |
| bit set in byte1 is DATA mask (0xFF00) |
| msb, data_mask[7:0] , clk_mask[7:0] |
| */ |
| #define IO_CFG_WRITE_MODE 0xF |
| #define IO_CFG_WRITE_MODE_VALUE(msb, data_mask, clk_mask) \ |
| ( (((msb)&1) << 16) | (((data_mask) &0xFF) << 8) | ((clk_mask) & 0xFF) ) |
| |
| |
| #endif |
