//-----------------------------------------------------------------------------
// Jonathan Westhues, Mar 2006
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Hardware and interface definitions
//-----------------------------------------------------------------------------

#ifndef __PROXMARK3_H
#define __PROXMARK3_H

// Might as well have the hardware-specific defines everywhere.
#include "at91sam7s512.h"
#include "config_gpio.h"
#include "usb_cmd.h"

#define WDT_HIT()								AT91C_BASE_WDTC->WDTC_WDCR = 0xa5000001

#define PWM_CH_MODE_PRESCALER(x)				((x) << 0)
#define PWM_CHANNEL(x)							(1 << (x))

#define ADC_CHAN_LF								4
#define ADC_CHAN_HF								5
#define ADC_MODE_PRESCALE(x)					((x) << 8)
#define ADC_MODE_STARTUP_TIME(x)				((x) << 16)
#define ADC_MODE_SAMPLE_HOLD_TIME(x)			((x) << 24)
#define ADC_CHANNEL(x)							(1 << (x))
#define ADC_END_OF_CONVERSION(x)				(1 << (x))

#define SSC_CLOCK_MODE_START(x)					((x) << 8)
#define SSC_FRAME_MODE_WORDS_PER_TRANSFER(x)	((x) << 8)
#define SSC_CLOCK_MODE_SELECT(x)				((x) << 0)
#define SSC_FRAME_MODE_BITS_IN_WORD(x)			(((x)-1) << 0)

#define MC_FLASH_COMMAND_KEY					((0x5a) << 24)
#define MC_FLASH_MODE_FLASH_WAIT_STATES(x)		((x) << 8)
#define MC_FLASH_MODE_MASTER_CLK_IN_MHZ(x)		(((x)+((x)/2)) << 16)
#define MC_FLASH_COMMAND_PAGEN(x)				((x) << 8)

#define RST_CONTROL_KEY							(0xa5 << 24)

#define PMC_MAIN_OSC_STARTUP_DELAY(x)			((x) << 8)
#define PMC_PLL_DIVISOR(x)						(x)
#define PMC_PLL_MULTIPLIER(x)					(((x)-1) << 16)
#define PMC_PLL_COUNT_BEFORE_LOCK(x)			(((x) & 0x3F) << 8)		// 6bit register 0011 1111
#define PMC_PLL_FREQUENCY_RANGE(x)				(((x) & 0x3) << 14)		// 2bit register
#define PMC_PLL_USB_DIVISOR(x)					((x) << 28)

#define UDP_INTERRUPT_ENDPOINT(x)				(1 << (x))
#define UDP_CSR_BYTES_RECEIVED(x)				(((x) >> 16) & 0x7ff)
//**************************************************************

#define LOW(x)	 AT91C_BASE_PIOA->PIO_CODR = (x)
#define HIGH(x)	 AT91C_BASE_PIOA->PIO_SODR = (x)
#define GETBIT(x) (AT91C_BASE_PIOA->PIO_ODSR & (x)) ? 1:0
#define SETBIT(x, y) (y) ? (HIGH(x)):(LOW(x))
#define INVBIT(x) SETBIT((x), !(GETBIT(x)))

#define SPI_FPGA_MODE	0
#define SPI_LCD_MODE	1

#ifndef COTAG_BITS
#define COTAG_BITS 264
#endif

//#define PACKED __attribute__((__packed__))

#define LED_A_ON()		HIGH(GPIO_LED_A)
#define LED_A_OFF()		LOW(GPIO_LED_A)
#define LED_A_INV()		INVBIT(GPIO_LED_A)
#define LED_B_ON()		HIGH(GPIO_LED_B)
#define LED_B_OFF()		LOW(GPIO_LED_B)
#define LED_B_INV()		INVBIT(GPIO_LED_B)
#define LED_C_ON()		HIGH(GPIO_LED_C)
#define LED_C_OFF()		LOW(GPIO_LED_C)
#define LED_C_INV()		INVBIT(GPIO_LED_C)
#define LED_D_ON()		HIGH(GPIO_LED_D)
#define LED_D_OFF()		LOW(GPIO_LED_D)
#define LED_D_INV()		INVBIT(GPIO_LED_D)
#define RELAY_ON()		HIGH(GPIO_RELAY)
#define RELAY_OFF()		LOW(GPIO_RELAY)
#define BUTTON_PRESS()	!((AT91C_BASE_PIOA->PIO_PDSR & GPIO_BUTTON) == GPIO_BUTTON)

//NVDD goes LOW when USB is attached.
#define USB_ATTACHED()	!((AT91C_BASE_PIOA->PIO_PDSR & GPIO_NVDD_ON) == GPIO_NVDD_ON)   

#define VERSION_INFORMATION_MAGIC 0x56334d50
struct version_information {
	int magic; /* Magic sequence to identify this as a correct version information structure. Must be VERSION_INFORMATION_MAGIC */
	char versionversion; /* Must be 1 */
	char present; /* 1 if the version information could be created at compile time, otherwise 0 and the remaining fields (except for magic) are empty */
	char clean; /* 1: Tree was clean, no local changes. 0: Tree was unclean. 2: Couldn't be determined */
	char gitversion[50]; /* String with the git revision */
	char buildtime[30]; /* string with the build time */
} __attribute__((packed));

#define COMMON_AREA_MAGIC 0x43334d50
#define COMMON_AREA_COMMAND_NONE 0
#define COMMON_AREA_COMMAND_ENTER_FLASH_MODE 1
struct common_area {
	int magic; /* Magic sequence, to distinguish against random uninitialized memory */
	char version; /* Must be 1 */
	char command;
	struct {
		unsigned int bootrom_present:1; /* Set when a bootrom that is capable of parsing the common area is present */
		unsigned int osimage_present:1; /* Set when a osimage that is capable of parsing the common area is present */
	} __attribute__((packed)) flags;
	int arg1, arg2;
} __attribute__((packed));

#endif