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4832958218
This driver handles the Blackfin on-chip rotary peripheral. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/*
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* board initialization should put one of these structures into platform_data
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* and place the bfin-rotary onto platform_bus named "bfin-rotary".
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*/
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#ifndef _BFIN_ROTARY_H
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#define _BFIN_ROTARY_H
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/* mode bitmasks */
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#define ROT_QUAD_ENC CNTMODE_QUADENC /* quadrature/grey code encoder mode */
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#define ROT_BIN_ENC CNTMODE_BINENC /* binary encoder mode */
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#define ROT_UD_CNT CNTMODE_UDCNT /* rotary counter mode */
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#define ROT_DIR_CNT CNTMODE_DIRCNT /* direction counter mode */
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#define ROT_DEBE DEBE /* Debounce Enable */
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#define ROT_CDGINV CDGINV /* CDG Pin Polarity Invert */
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#define ROT_CUDINV CUDINV /* CUD Pin Polarity Invert */
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#define ROT_CZMINV CZMINV /* CZM Pin Polarity Invert */
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struct bfin_rotary_platform_data {
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/* set rotary UP KEY_### or BTN_### in case you prefer
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* bfin-rotary to send EV_KEY otherwise set 0
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*/
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unsigned int rotary_up_key;
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/* set rotary DOWN KEY_### or BTN_### in case you prefer
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* bfin-rotary to send EV_KEY otherwise set 0
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*/
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unsigned int rotary_down_key;
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/* set rotary BUTTON KEY_### or BTN_### */
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unsigned int rotary_button_key;
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/* set rotary Relative Axis REL_### in case you prefer
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* bfin-rotary to send EV_REL otherwise set 0
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*/
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unsigned int rotary_rel_code;
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unsigned short debounce; /* 0..17 */
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unsigned short mode;
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};
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#endif
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