/* 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_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_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_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