at91_tc.h

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2011-01-13     weety      first version
 */

#ifndef AT91_TC_H
#define AT91_TC_H

#ifdef __cplusplus
extern "C" {
#endif

#define AT91_TC_BCR     0xc0        /* TC Block Control Register */
#define     AT91_TC_SYNC        (1 << 0)    /* Synchro Command */

#define AT91_TC_BMR     0xc4        /* TC Block Mode Register */
#define     AT91_TC_TC0XC0S     (3 << 0)    /* External Clock Signal 0 Selection */
#define         AT91_TC_TC0XC0S_TCLK0       (0 << 0)
#define         AT91_TC_TC0XC0S_NONE        (1 << 0)
#define         AT91_TC_TC0XC0S_TIOA1       (2 << 0)
#define         AT91_TC_TC0XC0S_TIOA2       (3 << 0)
#define     AT91_TC_TC1XC1S     (3 << 2)    /* External Clock Signal 1 Selection */
#define         AT91_TC_TC1XC1S_TCLK1       (0 << 2)
#define         AT91_TC_TC1XC1S_NONE        (1 << 2)
#define         AT91_TC_TC1XC1S_TIOA0       (2 << 2)
#define         AT91_TC_TC1XC1S_TIOA2       (3 << 2)
#define     AT91_TC_TC2XC2S     (3 << 4)    /* External Clock Signal 2 Selection */
#define         AT91_TC_TC2XC2S_TCLK2       (0 << 4)
#define         AT91_TC_TC2XC2S_NONE        (1 << 4)
#define         AT91_TC_TC2XC2S_TIOA0       (2 << 4)
#define         AT91_TC_TC2XC2S_TIOA1       (3 << 4)


#define AT91_TC_CCR     0x00        /* Channel Control Register */
#define     AT91_TC_CLKEN       (1 << 0)    /* Counter Clock Enable Command */
#define     AT91_TC_CLKDIS      (1 << 1)    /* Counter CLock Disable Command */
#define     AT91_TC_SWTRG       (1 << 2)    /* Software Trigger Command */

#define AT91_TC_CMR     0x04        /* Channel Mode Register */
#define     AT91_TC_TCCLKS      (7 << 0)    /* Capture/Waveform Mode: Clock Selection */
#define         AT91_TC_TIMER_CLOCK1        (0 << 0)
#define         AT91_TC_TIMER_CLOCK2        (1 << 0)
#define         AT91_TC_TIMER_CLOCK3        (2 << 0)
#define         AT91_TC_TIMER_CLOCK4        (3 << 0)
#define         AT91_TC_TIMER_CLOCK5        (4 << 0)
#define         AT91_TC_XC0         (5 << 0)
#define         AT91_TC_XC1         (6 << 0)
#define         AT91_TC_XC2         (7 << 0)
#define     AT91_TC_CLKI        (1 << 3)    /* Capture/Waveform Mode: Clock Invert */
#define     AT91_TC_BURST       (3 << 4)    /* Capture/Waveform Mode: Burst Signal Selection */
#define     AT91_TC_LDBSTOP     (1 << 6)    /* Capture Mode: Counter Clock Stopped with TB Loading */
#define     AT91_TC_LDBDIS      (1 << 7)    /* Capture Mode: Counter Clock Disable with RB Loading */
#define     AT91_TC_ETRGEDG     (3 << 8)    /* Capture Mode: External Trigger Edge Selection */
#define     AT91_TC_ABETRG      (1 << 10)   /* Capture Mode: TIOA or TIOB External Trigger Selection */
#define     AT91_TC_CPCTRG      (1 << 14)   /* Capture Mode: RC Compare Trigger Enable */
#define     AT91_TC_WAVE        (1 << 15)   /* Capture/Waveform mode */
#define     AT91_TC_LDRA        (3 << 16)   /* Capture Mode: RA Loading Selection */
#define     AT91_TC_LDRB        (3 << 18)   /* Capture Mode: RB Loading Selection */

#define     AT91_TC_CPCSTOP     (1 <<  6)   /* Waveform Mode: Counter Clock Stopped with RC Compare */
#define     AT91_TC_CPCDIS      (1 <<  7)   /* Waveform Mode: Counter Clock Disable with RC Compare */
#define     AT91_TC_EEVTEDG     (3 <<  8)   /* Waveform Mode: External Event Edge Selection */
#define         AT91_TC_EEVTEDG_NONE        (0 << 8)
#define         AT91_TC_EEVTEDG_RISING      (1 << 8)
#define         AT91_TC_EEVTEDG_FALLING     (2 << 8)
#define         AT91_TC_EEVTEDG_BOTH        (3 << 8)
#define     AT91_TC_EEVT        (3 << 10)   /* Waveform Mode: External Event Selection */
#define         AT91_TC_EEVT_TIOB       (0 << 10)
#define         AT91_TC_EEVT_XC0        (1 << 10)
#define         AT91_TC_EEVT_XC1        (2 << 10)
#define         AT91_TC_EEVT_XC2        (3 << 10)
#define     AT91_TC_ENETRG      (1 << 12)   /* Waveform Mode: External Event Trigger Enable */
#define     AT91_TC_WAVESEL     (3 << 13)   /* Waveform Mode: Waveform Selection */
#define         AT91_TC_WAVESEL_UP      (0 << 13)
#define         AT91_TC_WAVESEL_UP_AUTO     (2 << 13)
#define         AT91_TC_WAVESEL_UPDOWN      (1 << 13)
#define         AT91_TC_WAVESEL_UPDOWN_AUTO (3 << 13)
#define     AT91_TC_ACPA        (3 << 16)   /* Waveform Mode: RA Compare Effect on TIOA */
#define         AT91_TC_ACPA_NONE       (0 << 16)
#define         AT91_TC_ACPA_SET        (1 << 16)
#define         AT91_TC_ACPA_CLEAR      (2 << 16)
#define         AT91_TC_ACPA_TOGGLE     (3 << 16)
#define     AT91_TC_ACPC        (3 << 18)   /* Waveform Mode: RC Compre Effect on TIOA */
#define         AT91_TC_ACPC_NONE       (0 << 18)
#define         AT91_TC_ACPC_SET        (1 << 18)
#define         AT91_TC_ACPC_CLEAR      (2 << 18)
#define         AT91_TC_ACPC_TOGGLE     (3 << 18)
#define     AT91_TC_AEEVT       (3 << 20)   /* Waveform Mode: External Event Effect on TIOA */
#define         AT91_TC_AEEVT_NONE      (0 << 20)
#define         AT91_TC_AEEVT_SET       (1 << 20)
#define         AT91_TC_AEEVT_CLEAR     (2 << 20)
#define         AT91_TC_AEEVT_TOGGLE        (3 << 20)
#define     AT91_TC_ASWTRG      (3 << 22)   /* Waveform Mode: Software Trigger Effect on TIOA */
#define         AT91_TC_ASWTRG_NONE     (0 << 22)
#define         AT91_TC_ASWTRG_SET      (1 << 22)
#define         AT91_TC_ASWTRG_CLEAR        (2 << 22)
#define         AT91_TC_ASWTRG_TOGGLE       (3 << 22)
#define     AT91_TC_BCPB        (3 << 24)   /* Waveform Mode: RB Compare Effect on TIOB */
#define         AT91_TC_BCPB_NONE       (0 << 24)
#define         AT91_TC_BCPB_SET        (1 << 24)
#define         AT91_TC_BCPB_CLEAR      (2 << 24)
#define         AT91_TC_BCPB_TOGGLE     (3 << 24)
#define     AT91_TC_BCPC        (3 << 26)   /* Waveform Mode: RC Compare Effect on TIOB */
#define         AT91_TC_BCPC_NONE       (0 << 26)
#define         AT91_TC_BCPC_SET        (1 << 26)
#define         AT91_TC_BCPC_CLEAR      (2 << 26)
#define         AT91_TC_BCPC_TOGGLE     (3 << 26)
#define     AT91_TC_BEEVT       (3 << 28)   /* Waveform Mode: External Event Effect on TIOB */
#define         AT91_TC_BEEVT_NONE      (0 << 28)
#define         AT91_TC_BEEVT_SET       (1 << 28)
#define         AT91_TC_BEEVT_CLEAR     (2 << 28)
#define         AT91_TC_BEEVT_TOGGLE        (3 << 28)
#define     AT91_TC_BSWTRG      (3 << 30)   /* Waveform Mode: Software Trigger Effect on TIOB */
#define         AT91_TC_BSWTRG_NONE     (0 << 30)
#define         AT91_TC_BSWTRG_SET      (1 << 30)
#define         AT91_TC_BSWTRG_CLEAR        (2 << 30)
#define         AT91_TC_BSWTRG_TOGGLE       (3 << 30)

#define AT91_TC_CV      0x10        /* Counter Value */
#define AT91_TC_RA      0x14        /* Register A */
#define AT91_TC_RB      0x18        /* Register B */
#define AT91_TC_RC      0x1c        /* Register C */

#define AT91_TC_SR      0x20        /* Status Register */
#define     AT91_TC_COVFS       (1 <<  0)   /* Counter Overflow Status */
#define     AT91_TC_LOVRS       (1 <<  1)   /* Load Overrun Status */
#define     AT91_TC_CPAS        (1 <<  2)   /* RA Compare Status */
#define     AT91_TC_CPBS        (1 <<  3)   /* RB Compare Status */
#define     AT91_TC_CPCS        (1 <<  4)   /* RC Compare Status */
#define     AT91_TC_LDRAS       (1 <<  5)   /* RA Loading Status */
#define     AT91_TC_LDRBS       (1 <<  6)   /* RB Loading Status */
#define     AT91_TC_ETRGS       (1 <<  7)   /* External Trigger Status */
#define     AT91_TC_CLKSTA      (1 << 16)   /* Clock Enabling Status */
#define     AT91_TC_MTIOA       (1 << 17)   /* TIOA Mirror */
#define     AT91_TC_MTIOB       (1 << 18)   /* TIOB Mirror */

#define AT91_TC_IER     0x24        /* Interrupt Enable Register */
#define AT91_TC_IDR     0x28        /* Interrupt Disable Register */
#define AT91_TC_IMR     0x2c        /* Interrupt Mask Register */

#ifdef __cplusplus
}
#endif

#endif