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