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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _VME_PIO2_H_
#define _VME_PIO2_H_
#define PIO2_CARDS_MAX 32
#define PIO2_VARIANT_LENGTH 5
#define PIO2_NUM_CHANNELS 32
#define PIO2_NUM_IRQS 11
#define PIO2_NUM_CNTRS 6
#define PIO2_REGS_SIZE 0x40
#define PIO2_REGS_DATA0 0x0
#define PIO2_REGS_DATA1 0x1
#define PIO2_REGS_DATA2 0x2
#define PIO2_REGS_DATA3 0x3
static const int PIO2_REGS_DATA[4] = { PIO2_REGS_DATA0, PIO2_REGS_DATA1,
PIO2_REGS_DATA2, PIO2_REGS_DATA3 };
#define PIO2_REGS_INT_STAT0 0x8
#define PIO2_REGS_INT_STAT1 0x9
#define PIO2_REGS_INT_STAT2 0xa
#define PIO2_REGS_INT_STAT3 0xb
static const int PIO2_REGS_INT_STAT[4] = { PIO2_REGS_INT_STAT0,
PIO2_REGS_INT_STAT1,
PIO2_REGS_INT_STAT2,
PIO2_REGS_INT_STAT3 };
#define PIO2_REGS_INT_STAT_CNTR 0xc
#define PIO2_REGS_INT_MASK0 0x10
#define PIO2_REGS_INT_MASK1 0x11
#define PIO2_REGS_INT_MASK2 0x12
#define PIO2_REGS_INT_MASK3 0x13
#define PIO2_REGS_INT_MASK4 0x14
#define PIO2_REGS_INT_MASK5 0x15
#define PIO2_REGS_INT_MASK6 0x16
#define PIO2_REGS_INT_MASK7 0x17
static const int PIO2_REGS_INT_MASK[8] = { PIO2_REGS_INT_MASK0,
PIO2_REGS_INT_MASK1,
PIO2_REGS_INT_MASK2,
PIO2_REGS_INT_MASK3,
PIO2_REGS_INT_MASK4,
PIO2_REGS_INT_MASK5,
PIO2_REGS_INT_MASK6,
PIO2_REGS_INT_MASK7 };
#define PIO2_REGS_CTRL 0x18
#define PIO2_REGS_VME_VECTOR 0x19
#define PIO2_REGS_CNTR0 0x20
#define PIO2_REGS_CNTR1 0x22
#define PIO2_REGS_CNTR2 0x24
#define PIO2_REGS_CTRL_WRD0 0x26
#define PIO2_REGS_CNTR3 0x28
#define PIO2_REGS_CNTR4 0x2a
#define PIO2_REGS_CNTR5 0x2c
#define PIO2_REGS_CTRL_WRD1 0x2e
#define PIO2_REGS_ID 0x30
/* PIO2_REGS_DATAx (0x0 - 0x3) */
static const int PIO2_CHANNEL_BANK[32] = { 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3 };
#define PIO2_CHANNEL0_BIT BIT(0)
#define PIO2_CHANNEL1_BIT BIT(1)
#define PIO2_CHANNEL2_BIT BIT(2)
#define PIO2_CHANNEL3_BIT BIT(3)
#define PIO2_CHANNEL4_BIT BIT(4)
#define PIO2_CHANNEL5_BIT BIT(5)
#define PIO2_CHANNEL6_BIT BIT(6)
#define PIO2_CHANNEL7_BIT BIT(7)
#define PIO2_CHANNEL8_BIT BIT(0)
#define PIO2_CHANNEL9_BIT BIT(1)
#define PIO2_CHANNEL10_BIT BIT(2)
#define PIO2_CHANNEL11_BIT BIT(3)
#define PIO2_CHANNEL12_BIT BIT(4)
#define PIO2_CHANNEL13_BIT BIT(5)
#define PIO2_CHANNEL14_BIT BIT(6)
#define PIO2_CHANNEL15_BIT BIT(7)
#define PIO2_CHANNEL16_BIT BIT(0)
#define PIO2_CHANNEL17_BIT BIT(1)
#define PIO2_CHANNEL18_BIT BIT(2)
#define PIO2_CHANNEL19_BIT BIT(3)
#define PIO2_CHANNEL20_BIT BIT(4)
#define PIO2_CHANNEL21_BIT BIT(5)
#define PIO2_CHANNEL22_BIT BIT(6)
#define PIO2_CHANNEL23_BIT BIT(7)
#define PIO2_CHANNEL24_BIT BIT(0)
#define PIO2_CHANNEL25_BIT BIT(1)
#define PIO2_CHANNEL26_BIT BIT(2)
#define PIO2_CHANNEL27_BIT BIT(3)
#define PIO2_CHANNEL28_BIT BIT(4)
#define PIO2_CHANNEL29_BIT BIT(5)
#define PIO2_CHANNEL30_BIT BIT(6)
#define PIO2_CHANNEL31_BIT BIT(7)
static const int PIO2_CHANNEL_BIT[32] = { PIO2_CHANNEL0_BIT, PIO2_CHANNEL1_BIT,
PIO2_CHANNEL2_BIT, PIO2_CHANNEL3_BIT,
PIO2_CHANNEL4_BIT, PIO2_CHANNEL5_BIT,
PIO2_CHANNEL6_BIT, PIO2_CHANNEL7_BIT,
PIO2_CHANNEL8_BIT, PIO2_CHANNEL9_BIT,
PIO2_CHANNEL10_BIT, PIO2_CHANNEL11_BIT,
PIO2_CHANNEL12_BIT, PIO2_CHANNEL13_BIT,
PIO2_CHANNEL14_BIT, PIO2_CHANNEL15_BIT,
PIO2_CHANNEL16_BIT, PIO2_CHANNEL17_BIT,
PIO2_CHANNEL18_BIT, PIO2_CHANNEL19_BIT,
PIO2_CHANNEL20_BIT, PIO2_CHANNEL21_BIT,
PIO2_CHANNEL22_BIT, PIO2_CHANNEL23_BIT,
PIO2_CHANNEL24_BIT, PIO2_CHANNEL25_BIT,
PIO2_CHANNEL26_BIT, PIO2_CHANNEL27_BIT,
PIO2_CHANNEL28_BIT, PIO2_CHANNEL29_BIT,
PIO2_CHANNEL30_BIT, PIO2_CHANNEL31_BIT
};
/* PIO2_REGS_INT_STAT_CNTR (0xc) */
#define PIO2_COUNTER0 BIT(0)
#define PIO2_COUNTER1 BIT(1)
#define PIO2_COUNTER2 BIT(2)
#define PIO2_COUNTER3 BIT(3)
#define PIO2_COUNTER4 BIT(4)
#define PIO2_COUNTER5 BIT(5)
static const int PIO2_COUNTER[6] = { PIO2_COUNTER0, PIO2_COUNTER1,
PIO2_COUNTER2, PIO2_COUNTER3,
PIO2_COUNTER4, PIO2_COUNTER5 };
/* PIO2_REGS_CTRL (0x18) */
#define PIO2_VME_INT_MASK 0x7
#define PIO2_LED BIT(6)
#define PIO2_LOOP BIT(7)
/* PIO2_REGS_VME_VECTOR (0x19) */
#define PIO2_VME_VECTOR_SPUR 0x0
#define PIO2_VME_VECTOR_BANK0 0x1
#define PIO2_VME_VECTOR_BANK1 0x2
#define PIO2_VME_VECTOR_BANK2 0x3
#define PIO2_VME_VECTOR_BANK3 0x4
#define PIO2_VME_VECTOR_CNTR0 0x5
#define PIO2_VME_VECTOR_CNTR1 0x6
#define PIO2_VME_VECTOR_CNTR2 0x7
#define PIO2_VME_VECTOR_CNTR3 0x8
#define PIO2_VME_VECTOR_CNTR4 0x9
#define PIO2_VME_VECTOR_CNTR5 0xa
#define PIO2_VME_VECTOR_MASK 0xf0
static const int PIO2_VECTOR_BANK[4] = { PIO2_VME_VECTOR_BANK0,
PIO2_VME_VECTOR_BANK1,
PIO2_VME_VECTOR_BANK2,
PIO2_VME_VECTOR_BANK3 };
static const int PIO2_VECTOR_CNTR[6] = { PIO2_VME_VECTOR_CNTR0,
PIO2_VME_VECTOR_CNTR1,
PIO2_VME_VECTOR_CNTR2,
PIO2_VME_VECTOR_CNTR3,
PIO2_VME_VECTOR_CNTR4,
PIO2_VME_VECTOR_CNTR5 };
/* PIO2_REGS_CNTRx (0x20 - 0x24 & 0x28 - 0x2c) */
static const int PIO2_CNTR_DATA[6] = { PIO2_REGS_CNTR0, PIO2_REGS_CNTR1,
PIO2_REGS_CNTR2, PIO2_REGS_CNTR3,
PIO2_REGS_CNTR4, PIO2_REGS_CNTR5 };
/* PIO2_REGS_CTRL_WRDx (0x26 & 0x2e) */
static const int PIO2_CNTR_CTRL[6] = { PIO2_REGS_CTRL_WRD0,
PIO2_REGS_CTRL_WRD0,
PIO2_REGS_CTRL_WRD0,
PIO2_REGS_CTRL_WRD1,
PIO2_REGS_CTRL_WRD1,
PIO2_REGS_CTRL_WRD1 };
#define PIO2_CNTR_SC_DEV0 0
#define PIO2_CNTR_SC_DEV1 (1 << 6)
#define PIO2_CNTR_SC_DEV2 (2 << 6)
#define PIO2_CNTR_SC_RDBACK (3 << 6)
static const int PIO2_CNTR_SC_DEV[6] = { PIO2_CNTR_SC_DEV0, PIO2_CNTR_SC_DEV1,
PIO2_CNTR_SC_DEV2, PIO2_CNTR_SC_DEV0,
PIO2_CNTR_SC_DEV1, PIO2_CNTR_SC_DEV2 };
#define PIO2_CNTR_RW_LATCH 0
#define PIO2_CNTR_RW_LSB (1 << 4)
#define PIO2_CNTR_RW_MSB (2 << 4)
#define PIO2_CNTR_RW_BOTH (3 << 4)
#define PIO2_CNTR_MODE0 0
#define PIO2_CNTR_MODE1 (1 << 1)
#define PIO2_CNTR_MODE2 (2 << 1)
#define PIO2_CNTR_MODE3 (3 << 1)
#define PIO2_CNTR_MODE4 (4 << 1)
#define PIO2_CNTR_MODE5 (5 << 1)
#define PIO2_CNTR_BCD 1
enum pio2_bank_config { NOFIT, INPUT, OUTPUT, BOTH };
enum pio2_int_config { NONE = 0, LOW2HIGH = 1, HIGH2LOW = 2, EITHER = 4 };
/* Bank configuration structure */
struct pio2_io_bank {
enum pio2_bank_config config;
u8 value;
enum pio2_int_config irq[8];
};
/* Counter configuration structure */
struct pio2_cntr {
int mode;
int count;
};
struct pio2_card {
int id;
int bus;
long base;
int irq_vector;
int irq_level;
char variant[6];
int led;
struct vme_dev *vdev;
struct vme_resource *window;
struct gpio_chip gc;
struct pio2_io_bank bank[4];
struct pio2_cntr cntr[6];
};
int pio2_cntr_reset(struct pio2_card *card);
int pio2_gpio_reset(struct pio2_card *card);
int pio2_gpio_init(struct pio2_card *card);
void pio2_gpio_exit(struct pio2_card *card);
#endif /* _VME_PIO2_H_ */
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