1/* 2 * arch/arm/mach-at91/include/mach/at91_tc.h 3 * 4 * Copyright (C) SAN People 5 * 6 * Timer/Counter Unit (TC) registers. 7 * Based on AT91RM9200 datasheet revision E. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 */ 14 15#ifndef AT91_TC_H 16#define AT91_TC_H 17 18#define AT91_TC_BCR 0xc0 /* TC Block Control Register */ 19#define AT91_TC_SYNC (1 << 0) /* Synchro Command */ 20 21#define AT91_TC_BMR 0xc4 /* TC Block Mode Register */ 22#define AT91_TC_TC0XC0S (3 << 0) /* External Clock Signal 0 Selection */ 23#define AT91_TC_TC0XC0S_TCLK0 (0 << 0) 24#define AT91_TC_TC0XC0S_NONE (1 << 0) 25#define AT91_TC_TC0XC0S_TIOA1 (2 << 0) 26#define AT91_TC_TC0XC0S_TIOA2 (3 << 0) 27#define AT91_TC_TC1XC1S (3 << 2) /* External Clock Signal 1 Selection */ 28#define AT91_TC_TC1XC1S_TCLK1 (0 << 2) 29#define AT91_TC_TC1XC1S_NONE (1 << 2) 30#define AT91_TC_TC1XC1S_TIOA0 (2 << 2) 31#define AT91_TC_TC1XC1S_TIOA2 (3 << 2) 32#define AT91_TC_TC2XC2S (3 << 4) /* External Clock Signal 2 Selection */ 33#define AT91_TC_TC2XC2S_TCLK2 (0 << 4) 34#define AT91_TC_TC2XC2S_NONE (1 << 4) 35#define AT91_TC_TC2XC2S_TIOA0 (2 << 4) 36#define AT91_TC_TC2XC2S_TIOA1 (3 << 4) 37 38 39#define AT91_TC_CCR 0x00 /* Channel Control Register */ 40#define AT91_TC_CLKEN (1 << 0) /* Counter Clock Enable Command */ 41#define AT91_TC_CLKDIS (1 << 1) /* Counter CLock Disable Command */ 42#define AT91_TC_SWTRG (1 << 2) /* Software Trigger Command */ 43 44#define AT91_TC_CMR 0x04 /* Channel Mode Register */ 45#define AT91_TC_TCCLKS (7 << 0) /* Capture/Waveform Mode: Clock Selection */ 46#define AT91_TC_TIMER_CLOCK1 (0 << 0) 47#define AT91_TC_TIMER_CLOCK2 (1 << 0) 48#define AT91_TC_TIMER_CLOCK3 (2 << 0) 49#define AT91_TC_TIMER_CLOCK4 (3 << 0) 50#define AT91_TC_TIMER_CLOCK5 (4 << 0) 51#define AT91_TC_XC0 (5 << 0) 52#define AT91_TC_XC1 (6 << 0) 53#define AT91_TC_XC2 (7 << 0) 54#define AT91_TC_CLKI (1 << 3) /* Capture/Waveform Mode: Clock Invert */ 55#define AT91_TC_BURST (3 << 4) /* Capture/Waveform Mode: Burst Signal Selection */ 56#define AT91_TC_LDBSTOP (1 << 6) /* Capture Mode: Counter Clock Stopped with TB Loading */ 57#define AT91_TC_LDBDIS (1 << 7) /* Capture Mode: Counter Clock Disable with RB Loading */ 58#define AT91_TC_ETRGEDG (3 << 8) /* Capture Mode: External Trigger Edge Selection */ 59#define AT91_TC_ABETRG (1 << 10) /* Capture Mode: TIOA or TIOB External Trigger Selection */ 60#define AT91_TC_CPCTRG (1 << 14) /* Capture Mode: RC Compare Trigger Enable */ 61#define AT91_TC_WAVE (1 << 15) /* Capture/Waveform mode */ 62#define AT91_TC_LDRA (3 << 16) /* Capture Mode: RA Loading Selection */ 63#define AT91_TC_LDRB (3 << 18) /* Capture Mode: RB Loading Selection */ 64 65#define AT91_TC_CPCSTOP (1 << 6) /* Waveform Mode: Counter Clock Stopped with RC Compare */ 66#define AT91_TC_CPCDIS (1 << 7) /* Waveform Mode: Counter Clock Disable with RC Compare */ 67#define AT91_TC_EEVTEDG (3 << 8) /* Waveform Mode: External Event Edge Selection */ 68#define AT91_TC_EEVTEDG_NONE (0 << 8) 69#define AT91_TC_EEVTEDG_RISING (1 << 8) 70#define AT91_TC_EEVTEDG_FALLING (2 << 8) 71#define AT91_TC_EEVTEDG_BOTH (3 << 8) 72#define AT91_TC_EEVT (3 << 10) /* Waveform Mode: External Event Selection */ 73#define AT91_TC_EEVT_TIOB (0 << 10) 74#define AT91_TC_EEVT_XC0 (1 << 10) 75#define AT91_TC_EEVT_XC1 (2 << 10) 76#define AT91_TC_EEVT_XC2 (3 << 10) 77#define AT91_TC_ENETRG (1 << 12) /* Waveform Mode: External Event Trigger Enable */ 78#define AT91_TC_WAVESEL (3 << 13) /* Waveform Mode: Waveform Selection */ 79#define AT91_TC_WAVESEL_UP (0 << 13) 80#define AT91_TC_WAVESEL_UP_AUTO (2 << 13) 81#define AT91_TC_WAVESEL_UPDOWN (1 << 13) 82#define AT91_TC_WAVESEL_UPDOWN_AUTO (3 << 13) 83#define AT91_TC_ACPA (3 << 16) /* Waveform Mode: RA Compare Effect on TIOA */ 84#define AT91_TC_ACPA_NONE (0 << 16) 85#define AT91_TC_ACPA_SET (1 << 16) 86#define AT91_TC_ACPA_CLEAR (2 << 16) 87#define AT91_TC_ACPA_TOGGLE (3 << 16) 88#define AT91_TC_ACPC (3 << 18) /* Waveform Mode: RC Compre Effect on TIOA */ 89#define AT91_TC_ACPC_NONE (0 << 18) 90#define AT91_TC_ACPC_SET (1 << 18) 91#define AT91_TC_ACPC_CLEAR (2 << 18) 92#define AT91_TC_ACPC_TOGGLE (3 << 18) 93#define AT91_TC_AEEVT (3 << 20) /* Waveform Mode: External Event Effect on TIOA */ 94#define AT91_TC_AEEVT_NONE (0 << 20) 95#define AT91_TC_AEEVT_SET (1 << 20) 96#define AT91_TC_AEEVT_CLEAR (2 << 20) 97#define AT91_TC_AEEVT_TOGGLE (3 << 20) 98#define AT91_TC_ASWTRG (3 << 22) /* Waveform Mode: Software Trigger Effect on TIOA */ 99#define AT91_TC_ASWTRG_NONE (0 << 22) 100#define AT91_TC_ASWTRG_SET (1 << 22) 101#define AT91_TC_ASWTRG_CLEAR (2 << 22) 102#define AT91_TC_ASWTRG_TOGGLE (3 << 22) 103#define AT91_TC_BCPB (3 << 24) /* Waveform Mode: RB Compare Effect on TIOB */ 104#define AT91_TC_BCPB_NONE (0 << 24) 105#define AT91_TC_BCPB_SET (1 << 24) 106#define AT91_TC_BCPB_CLEAR (2 << 24) 107#define AT91_TC_BCPB_TOGGLE (3 << 24) 108#define AT91_TC_BCPC (3 << 26) /* Waveform Mode: RC Compare Effect on TIOB */ 109#define AT91_TC_BCPC_NONE (0 << 26) 110#define AT91_TC_BCPC_SET (1 << 26) 111#define AT91_TC_BCPC_CLEAR (2 << 26) 112#define AT91_TC_BCPC_TOGGLE (3 << 26) 113#define AT91_TC_BEEVT (3 << 28) /* Waveform Mode: External Event Effect on TIOB */ 114#define AT91_TC_BEEVT_NONE (0 << 28) 115#define AT91_TC_BEEVT_SET (1 << 28) 116#define AT91_TC_BEEVT_CLEAR (2 << 28) 117#define AT91_TC_BEEVT_TOGGLE (3 << 28) 118#define AT91_TC_BSWTRG (3 << 30) /* Waveform Mode: Software Trigger Effect on TIOB */ 119#define AT91_TC_BSWTRG_NONE (0 << 30) 120#define AT91_TC_BSWTRG_SET (1 << 30) 121#define AT91_TC_BSWTRG_CLEAR (2 << 30) 122#define AT91_TC_BSWTRG_TOGGLE (3 << 30) 123 124#define AT91_TC_CV 0x10 /* Counter Value */ 125#define AT91_TC_RA 0x14 /* Register A */ 126#define AT91_TC_RB 0x18 /* Register B */ 127#define AT91_TC_RC 0x1c /* Register C */ 128 129#define AT91_TC_SR 0x20 /* Status Register */ 130#define AT91_TC_COVFS (1 << 0) /* Counter Overflow Status */ 131#define AT91_TC_LOVRS (1 << 1) /* Load Overrun Status */ 132#define AT91_TC_CPAS (1 << 2) /* RA Compare Status */ 133#define AT91_TC_CPBS (1 << 3) /* RB Compare Status */ 134#define AT91_TC_CPCS (1 << 4) /* RC Compare Status */ 135#define AT91_TC_LDRAS (1 << 5) /* RA Loading Status */ 136#define AT91_TC_LDRBS (1 << 6) /* RB Loading Status */ 137#define AT91_TC_ETRGS (1 << 7) /* External Trigger Status */ 138#define AT91_TC_CLKSTA (1 << 16) /* Clock Enabling Status */ 139#define AT91_TC_MTIOA (1 << 17) /* TIOA Mirror */ 140#define AT91_TC_MTIOB (1 << 18) /* TIOB Mirror */ 141 142#define AT91_TC_IER 0x24 /* Interrupt Enable Register */ 143#define AT91_TC_IDR 0x28 /* Interrupt Disable Register */ 144#define AT91_TC_IMR 0x2c /* Interrupt Mask Register */ 145 146#endif 147