92fd86864e
omap_dm_timer_ops provide support to configure the pwm but there is no support to get the current status. For configuring pwm it is advised to check the current hw status instead of relying on pwm framework. So implement a new timer ops to get the current status of pwm. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Acked-by: Tony Lindgen <tony@atomide.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200305082715.15861-6-lokeshvutla@ti.com
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* DMTIMER platform data for TI OMAP platforms
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*
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* Copyright (C) 2012 Texas Instruments
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* Author: Jon Hunter <jon-hunter@ti.com>
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*/
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#ifndef __PLATFORM_DATA_DMTIMER_OMAP_H__
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#define __PLATFORM_DATA_DMTIMER_OMAP_H__
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struct omap_dm_timer_ops {
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struct omap_dm_timer *(*request_by_node)(struct device_node *np);
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struct omap_dm_timer *(*request_specific)(int timer_id);
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struct omap_dm_timer *(*request)(void);
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int (*free)(struct omap_dm_timer *timer);
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void (*enable)(struct omap_dm_timer *timer);
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void (*disable)(struct omap_dm_timer *timer);
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int (*get_irq)(struct omap_dm_timer *timer);
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int (*set_int_enable)(struct omap_dm_timer *timer,
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unsigned int value);
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int (*set_int_disable)(struct omap_dm_timer *timer, u32 mask);
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struct clk *(*get_fclk)(struct omap_dm_timer *timer);
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int (*start)(struct omap_dm_timer *timer);
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int (*stop)(struct omap_dm_timer *timer);
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int (*set_source)(struct omap_dm_timer *timer, int source);
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int (*set_load)(struct omap_dm_timer *timer, int autoreload,
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unsigned int value);
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int (*set_match)(struct omap_dm_timer *timer, int enable,
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unsigned int match);
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int (*set_pwm)(struct omap_dm_timer *timer, int def_on,
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int toggle, int trigger);
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int (*get_pwm_status)(struct omap_dm_timer *timer);
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int (*set_prescaler)(struct omap_dm_timer *timer, int prescaler);
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unsigned int (*read_counter)(struct omap_dm_timer *timer);
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int (*write_counter)(struct omap_dm_timer *timer,
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unsigned int value);
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unsigned int (*read_status)(struct omap_dm_timer *timer);
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int (*write_status)(struct omap_dm_timer *timer,
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unsigned int value);
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};
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struct dmtimer_platform_data {
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/* set_timer_src - Only used for OMAP1 devices */
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int (*set_timer_src)(struct platform_device *pdev, int source);
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u32 timer_capability;
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u32 timer_errata;
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int (*get_context_loss_count)(struct device *);
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const struct omap_dm_timer_ops *timer_ops;
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};
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#endif /* __PLATFORM_DATA_DMTIMER_OMAP_H__ */
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