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https://github.com/Fledge68/WiiFlow_Lite.git
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34 lines
1.7 KiB
C
34 lines
1.7 KiB
C
#ifndef __EXI_H_
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/* Retrieve the I/O register base for a given EXI channel */
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#define EXI_ADDR(channel) (0xCD006800 + (channel) * 0x14)
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#define EXI_CSR 0x0000 /* EXI Channel 0 Parameter Register */
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#define EXI_CSR_ROMDIS (1 << 13) /* EXI0: de-scramble logic disabled */
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#define EXI_CSR_EXT (1 << 12) /* Device connected if 1 */
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#define EXI_CSR_EXTINT (1 << 11) /* External Insertion Interrupt Status */
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#define EXI_CSR_EXTINTMASK (1 << 10) /* EXT interrupt mask */
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#define EXI_CSR_CLK_1MHZ (0 << 4) /* Clock: 1MHz */
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#define EXI_CSR_CLK_2MHZ (1 << 4) /* Clock: 2MHz */
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#define EXI_CSR_CLK_4MHZ (2 << 4) /* Clock: 4MHz */
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#define EXI_CSR_CLK_8MHZ (3 << 4) /* Clock: 8MHz */
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#define EXI_CSR_CLK_16MHZ (4 << 4) /* Clock: 16MHz */
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#define EXI_CSR_CLK_32MHZ (5 << 4) /* Clock: 32MHz */
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#define EXI_CSR_CS(x) ((x) << 7) /* Chip select */
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#define EXI_CSR_TCINT (1 << 3) /* Transfer complete interrupt status */
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#define EXI_CSR_TCINTMASK (1 << 2) /* Transfer complete interrupt mask */
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#define EXI_CSR_EXTSTAT (1 << 1) /* Interrupt status */
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#define EXI_CSR_EXTSTATMASK (1 << 0) /* EXI interrupt mask */
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#define EXI_CR 0x0000c /* EXI Channel 0 Control Register */
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#define EXI_CR_TLEN_1 (0 << 4) /* Transfer length: 1 byte */
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#define EXI_CR_TLEN_2 (1 << 4) /* Transfer length: 2 byte */
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#define EXI_CR_TLEN_3 (2 << 4) /* Transfer length: 3 byte */
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#define EXI_CR_TLEN_4 (4 << 4) /* Transfer length: 4 byte */
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#define EXI_CR_RW_R (0 << 2) /* Transfer type: read */
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#define EXI_CR_RW_W (1 << 2) /* Transfer type: write */
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#define EXI_CR_RW_RW (2 << 2) /* Transfer type: read/write */
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#define EXI_CR_DMA (1 << 1) /* DMA transfer mode */
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#define EXI_CR_TSTART (1 << 0) /* Start transfer */
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#define EXI_DATA 0x0010 /* EXI Channel 0 Immediate Data */
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#endif
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