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/* SPDX-License-Identifier: MIT
*
* Copyright © 2019 Intel Corporation
*/
#ifndef _INTEL_DSB_H
#define _INTEL_DSB_H
#include <linux/types.h>
#include "i915_reg_defs.h"
struct intel_atomic_state;
struct intel_crtc;
struct intel_crtc_state;
struct intel_display;
struct intel_dsb;
enum pipe;
enum intel_dsb_id {
INTEL_DSB_0,
INTEL_DSB_1,
INTEL_DSB_2,
I915_MAX_DSBS,
};
struct intel_dsb *intel_dsb_prepare(struct intel_atomic_state *state,
struct intel_crtc *crtc,
enum intel_dsb_id dsb_id,
unsigned int max_cmds);
void intel_dsb_finish(struct intel_dsb *dsb);
void intel_dsb_cleanup(struct intel_dsb *dsb);
void intel_dsb_reg_write(struct intel_dsb *dsb,
i915_reg_t reg, u32 val);
void intel_dsb_reg_write_indexed(struct intel_dsb *dsb,
i915_reg_t reg, u32 val);
void intel_dsb_reg_write_masked(struct intel_dsb *dsb,
i915_reg_t reg, u32 mask, u32 val);
void intel_dsb_noop(struct intel_dsb *dsb, int count);
void intel_dsb_nonpost_start(struct intel_dsb *dsb);
void intel_dsb_nonpost_end(struct intel_dsb *dsb);
void intel_dsb_interrupt(struct intel_dsb *dsb);
void intel_dsb_wait_usec(struct intel_dsb *dsb, int count);
void intel_dsb_wait_vblanks(struct intel_dsb *dsb, int count);
void intel_dsb_wait_vblank_delay(struct intel_atomic_state *state,
struct intel_dsb *dsb);
void intel_dsb_wait_scanline_in(struct intel_atomic_state *state,
struct intel_dsb *dsb,
int lower, int upper);
void intel_dsb_wait_scanline_out(struct intel_atomic_state *state,
struct intel_dsb *dsb,
int lower, int upper);
void intel_dsb_vblank_evade(struct intel_atomic_state *state,
struct intel_dsb *dsb);
void intel_dsb_poll(struct intel_dsb *dsb,
i915_reg_t reg, u32 mask, u32 val,
int wait_us, int count);
void intel_dsb_chain(struct intel_atomic_state *state,
struct intel_dsb *dsb,
struct intel_dsb *chained_dsb,
bool wait_for_vblank);
void intel_dsb_commit(struct intel_dsb *dsb,
bool wait_for_vblank);
void intel_dsb_wait(struct intel_dsb *dsb);
void intel_dsb_irq_handler(struct intel_display *display,
enum pipe pipe, enum intel_dsb_id dsb_id);
#endif
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