80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
#ifndef __KERNEL_HARDWARE_KEYSC_H__
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# define __KERNEL_HARDWARE_KEYSC_H__
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#include <stdint.h>
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#include <stddef.h>
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#include <kernel/bits/union_types.h>
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#include <kernel/bits/attributes.h>
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struct __sh7305_keysc_s
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{
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volatile const uint16_t KIUDATA[6];
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volatile word_union(CONTROL,
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uint16_t KEYIE : 1; /* Key Interrupt enable */
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uint16_t const :13; /* All 0 */
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uint16_t INTMODE : 2; /* Key Interrupt mode (?) */
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);
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volatile word_union(AUTOFIX,
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uint16_t ENABLE : 1; /* enable AUTOFIX (?) */
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uint16_t const : 8; /* All 0 */
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uint16_t UNKNOWN0 : 3; /* ????? */
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uint16_t const : 1; /* All 0 */
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uint16_t UNKNOWN1 : 3; /* ????? */
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);
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volatile word_union(SCAN_MODE,
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uint16_t const : 4; /* All 0 */
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uint16_t UNKNOWN : 3; /* Scan mode (?) */
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uint16_t const : 9; /* All 0 */
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);
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volatile word_union(SCAN_STATE,
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uint16_t const :15; /* All 0 */
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uint16_t STATE : 1; /* ????? */
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);
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volatile word_union(INTERRUPT,
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uint16_t const : 1; /* All 0 */
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uint16_t KYCPU_IE : 7; /* KEYSC interrupt setup (see Planet Casio's bible) */
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uint16_t const STATUS : 8; /* Indicate the "type" of interruption (pressed, released, etc) */
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);
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volatile word_union(SCAN_WAIT,
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uint16_t const : 1; /* All 0 */
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uint16_t TIME :15; /* Time between interrupt */
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);
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volatile uint16_t SCAN_INTERVAL;
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volatile word_union(KYOUTDR,
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uint16_t const : 4; /* All 0 */
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uint16_t KYO5DT : 2; /* Key Controll ouput 5 */
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uint16_t KYO4DT : 2; /* Key Controll ouput 4 */
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uint16_t KYO3DT : 2; /* Key Controll ouput 3 */
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uint16_t KYO2DT : 2; /* Key Controll ouput 2 */
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uint16_t KYO1DT : 2; /* Key Controll ouput 1 */
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uint16_t KYO0DT : 2; /* Key Controll ouput 0 */
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);
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volatile word_union(KYINDR,
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uint16_t const : 8; /* All 0 */
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uint16_t KYDIR6 : 1; /* Key Direction 6 */
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uint16_t KYDIR5 : 1; /* Key Direction 5 */
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uint16_t KYDIR4 : 1; /* Key Direction 4 */
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uint16_t KYDIR3 : 1; /* Key Direction 3 */
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uint16_t KYDIR2 : 1; /* Key Direction 2 */
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uint16_t KYDIR1 : 1; /* Key Direction 1 */
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uint16_t KYDIR0 : 1; /* Key Direction 0 */
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);
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};
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struct __sh7305_keysc_context
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{
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uint16_t control;
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uint16_t autofix;
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uint16_t scan_mode;
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uint16_t scan_state;
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uint16_t interrupt;
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uint16_t scan_wait;
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uint16_t scan_interval;
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uint16_t kyoutdr;
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uint16_t kyindr;
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};
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#define SH7305_KEYSC (*(volatile struct __sh7305_keysc_s *)0xa44b0000)
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#endif /*__KERNEL_HARDWARE_KEYSC_H__*/
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