| /* |
| * arch/arm/mach-at91/include/mach/at91_adc.h |
| * |
| * Copyright (C) SAN People |
| * |
| * Analog-to-Digital Converter (ADC) registers. |
| * Based on AT91SAM9260 datasheet revision D. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #ifndef AT91_ADC_H |
| #define AT91_ADC_H |
| |
| #define AT91_ADC_CR 0x00 /* Control Register */ |
| #define AT91_ADC_SWRST (1 << 0) /* Software Reset */ |
| #define AT91_ADC_START (1 << 1) /* Start Conversion */ |
| |
| #define AT91_ADC_MR 0x04 /* Mode Register */ |
| #define AT91_ADC_TRGEN (1 << 0) /* Trigger Enable */ |
| #define AT91_ADC_TRGSEL (7 << 1) /* Trigger Selection */ |
| #define AT91_ADC_TRGSEL_TC0 (0 << 1) |
| #define AT91_ADC_TRGSEL_TC1 (1 << 1) |
| #define AT91_ADC_TRGSEL_TC2 (2 << 1) |
| #define AT91_ADC_TRGSEL_EXTERNAL (6 << 1) |
| #define AT91_ADC_LOWRES (1 << 4) /* Low Resolution */ |
| #define AT91_ADC_SLEEP (1 << 5) /* Sleep Mode */ |
| #define AT91_ADC_PRESCAL_9260 (0x3f << 8) /* Prescalar Rate Selection */ |
| #define AT91_ADC_PRESCAL_9G45 (0xff << 8) |
| #define AT91_ADC_PRESCAL_(x) ((x) << 8) |
| #define AT91_ADC_STARTUP_9260 (0x1f << 16) /* Startup Up Time */ |
| #define AT91_ADC_STARTUP_9G45 (0x7f << 16) |
| #define AT91_ADC_STARTUP_9X5 (0xf << 16) |
| #define AT91_ADC_STARTUP_(x) ((x) << 16) |
| #define AT91_ADC_SHTIM (0xf << 24) /* Sample & Hold Time */ |
| #define AT91_ADC_SHTIM_(x) ((x) << 24) |
| |
| #define AT91_ADC_CHER 0x10 /* Channel Enable Register */ |
| #define AT91_ADC_CHDR 0x14 /* Channel Disable Register */ |
| #define AT91_ADC_CHSR 0x18 /* Channel Status Register */ |
| #define AT91_ADC_CH(n) (1 << (n)) /* Channel Number */ |
| |
| #define AT91_ADC_SR 0x1C /* Status Register */ |
| #define AT91_ADC_EOC(n) (1 << (n)) /* End of Conversion on Channel N */ |
| #define AT91_ADC_OVRE(n) (1 << ((n) + 8))/* Overrun Error on Channel N */ |
| #define AT91_ADC_DRDY (1 << 16) /* Data Ready */ |
| #define AT91_ADC_GOVRE (1 << 17) /* General Overrun Error */ |
| #define AT91_ADC_ENDRX (1 << 18) /* End of RX Buffer */ |
| #define AT91_ADC_RXFUFF (1 << 19) /* RX Buffer Full */ |
| |
| #define AT91_ADC_SR_9X5 0x30 /* Status Register for 9x5 */ |
| #define AT91_ADC_SR_DRDY_9X5 (1 << 24) /* Data Ready */ |
| |
| #define AT91_ADC_LCDR 0x20 /* Last Converted Data Register */ |
| #define AT91_ADC_LDATA (0x3ff) |
| |
| #define AT91_ADC_IER 0x24 /* Interrupt Enable Register */ |
| #define AT91_ADC_IDR 0x28 /* Interrupt Disable Register */ |
| #define AT91_ADC_IMR 0x2C /* Interrupt Mask Register */ |
| #define AT91_ADC_IER_PEN (1 << 29) |
| #define AT91_ADC_IER_NOPEN (1 << 30) |
| #define AT91_ADC_IER_XRDY (1 << 20) |
| #define AT91_ADC_IER_YRDY (1 << 21) |
| #define AT91_ADC_IER_PRDY (1 << 22) |
| #define AT91_ADC_ISR_PENS (1 << 31) |
| |
| #define AT91_ADC_CHR(n) (0x30 + ((n) * 4)) /* Channel Data Register N */ |
| #define AT91_ADC_DATA (0x3ff) |
| |
| #define AT91_ADC_CDR0_9X5 (0x50) /* Channel Data Register 0 for 9X5 */ |
| |
| #define AT91_ADC_ACR 0x94 /* Analog Control Register */ |
| #define AT91_ADC_ACR_PENDETSENS (0x3 << 0) /* pull-up resistor */ |
| |
| #define AT91_ADC_TSMR 0xB0 |
| #define AT91_ADC_TSMR_TSMODE (3 << 0) /* Touch Screen Mode */ |
| #define AT91_ADC_TSMR_TSMODE_NONE (0 << 0) |
| #define AT91_ADC_TSMR_TSMODE_4WIRE_NO_PRESS (1 << 0) |
| #define AT91_ADC_TSMR_TSMODE_4WIRE_PRESS (2 << 0) |
| #define AT91_ADC_TSMR_TSMODE_5WIRE (3 << 0) |
| #define AT91_ADC_TSMR_TSAV (3 << 4) /* Averages samples */ |
| #define AT91_ADC_TSMR_TSAV_(x) ((x) << 4) |
| #define AT91_ADC_TSMR_SCTIM (0x0f << 16) /* Switch closure time */ |
| #define AT91_ADC_TSMR_PENDBC (0x0f << 28) /* Pen Debounce time */ |
| #define AT91_ADC_TSMR_PENDBC_(x) ((x) << 28) |
| #define AT91_ADC_TSMR_NOTSDMA (1 << 22) /* No Touchscreen DMA */ |
| #define AT91_ADC_TSMR_PENDET_DIS (0 << 24) /* Pen contact detection disable */ |
| #define AT91_ADC_TSMR_PENDET_ENA (1 << 24) /* Pen contact detection enable */ |
| |
| #define AT91_ADC_TSXPOSR 0xB4 |
| #define AT91_ADC_TSYPOSR 0xB8 |
| #define AT91_ADC_TSPRESSR 0xBC |
| |
| #define AT91_ADC_TRGR_9260 AT91_ADC_MR |
| #define AT91_ADC_TRGR_9G45 0x08 |
| #define AT91_ADC_TRGR_9X5 0xC0 |
| |
| /* Trigger Register bit field */ |
| #define AT91_ADC_TRGR_TRGPER (0xffff << 16) |
| #define AT91_ADC_TRGR_TRGPER_(x) ((x) << 16) |
| #define AT91_ADC_TRGR_TRGMOD (0x7 << 0) |
| #define AT91_ADC_TRGR_MOD_PERIOD_TRIG (5 << 0) |
| |
| #endif |
