1abf781454
ULPS is a low power state where the DSI lanes are kept at ground. This patch implements ULPS by having a DSI bus inactivity timer which triggers the entry to ULPS. ULPS exit will happen automatically when the driver needs to do something on the DSI lanes. The ulps_timeout is configurable from board file or via sysfs. Additionally another sysfs file, "ulps", can be used to check the current ULPS state, or to manually enter or exit ULPS. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
34 lines
886 B
C
34 lines
886 B
C
#ifndef __OMAP_NOKIA_DSI_PANEL_H
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#define __OMAP_NOKIA_DSI_PANEL_H
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struct omap_dss_device;
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/**
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* struct nokia_dsi_panel_data - Nokia DSI panel driver configuration
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* @name: panel name
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* @use_ext_te: use external TE
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* @ext_te_gpio: external TE GPIO
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* @esd_interval: interval of ESD checks, 0 = disabled (ms)
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* @ulps_timeout: time to wait before entering ULPS, 0 = disabled (ms)
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* @max_backlight_level: maximum backlight level
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* @set_backlight: pointer to backlight set function
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* @get_backlight: pointer to backlight get function
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*/
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struct nokia_dsi_panel_data {
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const char *name;
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int reset_gpio;
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bool use_ext_te;
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int ext_te_gpio;
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unsigned esd_interval;
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unsigned ulps_timeout;
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int max_backlight_level;
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int (*set_backlight)(struct omap_dss_device *dssdev, int level);
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int (*get_backlight)(struct omap_dss_device *dssdev);
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};
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#endif /* __OMAP_NOKIA_DSI_PANEL_H */
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