/* SPDX-License-Identifier: GPL-2.0 */
/*
 * ni_labpc register definitions.
 */

#ifndef _NI_LABPC_REGS_H
#define _NI_LABPC_REGS_H

/*
 * Register map (all registers are 8-bit)
 */
#define STAT1_REG               0x00    /* R: Status 1 reg */
#define STAT1_DAVAIL            BIT(0)
#define STAT1_OVERRUN           BIT(1)
#define STAT1_OVERFLOW          BIT(2)
#define STAT1_CNTINT            BIT(3)
#define STAT1_GATA0             BIT(5)
#define STAT1_EXTGATA0          BIT(6)
#define CMD1_REG                0x00    /* W: Command 1 reg */
#define CMD1_MA(x)              (((x) & 0x7) << 0)
#define CMD1_TWOSCMP            BIT(3)
#define CMD1_GAIN(x)            (((x) & 0x7) << 4)
#define CMD1_SCANEN             BIT(7)
#define CMD2_REG                0x01    /* W: Command 2 reg */
#define CMD2_PRETRIG            BIT(0)
#define CMD2_HWTRIG             BIT(1)
#define CMD2_SWTRIG             BIT(2)
#define CMD2_TBSEL              BIT(3)
#define CMD2_2SDAC0             BIT(4)
#define CMD2_2SDAC1             BIT(5)
#define CMD2_LDAC(x)            BIT(6 + ((x) & 0x1))
#define CMD3_REG                0x02    /* W: Command 3 reg */
#define CMD3_DMAEN              BIT(0)
#define CMD3_DIOINTEN           BIT(1)
#define CMD3_DMATCINTEN         BIT(2)
#define CMD3_CNTINTEN           BIT(3)
#define CMD3_ERRINTEN           BIT(4)
#define CMD3_FIFOINTEN          BIT(5)
#define ADC_START_CONVERT_REG   0x03    /* W: Start Convert reg */
#define DAC_LSB_REG(x)          (0x04 + 2 * (x)) /* W: DAC0/1 LSB reg */
#define DAC_MSB_REG(x)          (0x05 + 2 * (x)) /* W: DAC0/1 MSB reg */
#define ADC_FIFO_CLEAR_REG      0x08    /* W: A/D FIFO Clear reg */
#define ADC_FIFO_REG            0x0a    /* R: A/D FIFO reg */
#define DMATC_CLEAR_REG         0x0a    /* W: DMA Interrupt Clear reg */
#define TIMER_CLEAR_REG         0x0c    /* W: Timer Interrupt Clear reg */
#define CMD6_REG                0x0e    /* W: Command 6 reg */
#define CMD6_NRSE               BIT(0)
#define CMD6_ADCUNI             BIT(1)
#define CMD6_DACUNI(x)          BIT(2 + ((x) & 0x1))
#define CMD6_HFINTEN            BIT(5)
#define CMD6_DQINTEN            BIT(6)
#define CMD6_SCANUP             BIT(7)
#define CMD4_REG                0x0f    /* W: Command 3 reg */
#define CMD4_INTSCAN            BIT(0)
#define CMD4_EOIRCV             BIT(1)
#define CMD4_ECLKDRV            BIT(2)
#define CMD4_SEDIFF             BIT(3)
#define CMD4_ECLKRCV            BIT(4)
#define DIO_BASE_REG            0x10    /* R/W: 8255 DIO base reg */
#define COUNTER_A_BASE_REG      0x14    /* R/W: 8253 Counter A base reg */
#define COUNTER_B_BASE_REG      0x18    /* R/W: 8253 Counter B base reg */
#define CMD5_REG                0x1c    /* W: Command 5 reg */
#define CMD5_WRTPRT             BIT(2)
#define CMD5_DITHEREN           BIT(3)
#define CMD5_CALDACLD           BIT(4)
#define CMD5_SCLK               BIT(5)
#define CMD5_SDATA              BIT(6)
#define CMD5_EEPROMCS           BIT(7)
#define STAT2_REG               0x1d    /* R: Status 2 reg */
#define STAT2_PROMOUT           BIT(0)
#define STAT2_OUTA1             BIT(1)
#define STAT2_FIFONHF           BIT(2)
#define INTERVAL_COUNT_REG      0x1e    /* W: Interval Counter Data reg */
#define INTERVAL_STROBE_REG     0x1f    /* W: Interval Counter Strobe reg */

#endif /* _NI_LABPC_REGS_H */