| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright © 2006-2011 Intel Corporation |
| * |
| * Authors: |
| * Eric Anholt <eric@anholt.net> |
| * Patrik Jakobsson <patrik.r.jakobsson@gmail.com> |
| */ |
| |
| #ifndef _GMA_DISPLAY_H_ |
| #define _GMA_DISPLAY_H_ |
| |
| #include <linux/pm_runtime.h> |
| |
| struct drm_encoder; |
| struct drm_mode_set; |
| |
| struct gma_clock_t { |
| /* given values */ |
| int n; |
| int m1, m2; |
| int p1, p2; |
| /* derived values */ |
| int dot; |
| int vco; |
| int m; |
| int p; |
| }; |
| |
| struct gma_range_t { |
| int min, max; |
| }; |
| |
| struct gma_p2_t { |
| int dot_limit; |
| int p2_slow, p2_fast; |
| }; |
| |
| struct gma_limit_t { |
| struct gma_range_t dot, vco, n, m, m1, m2, p, p1; |
| struct gma_p2_t p2; |
| bool (*find_pll)(const struct gma_limit_t *, struct drm_crtc *, |
| int target, int refclk, |
| struct gma_clock_t *best_clock); |
| }; |
| |
| struct gma_clock_funcs { |
| void (*clock)(int refclk, struct gma_clock_t *clock); |
| const struct gma_limit_t *(*limit)(struct drm_crtc *crtc, int refclk); |
| bool (*pll_is_valid)(struct drm_crtc *crtc, |
| const struct gma_limit_t *limit, |
| struct gma_clock_t *clock); |
| }; |
| |
| /* Common pipe related functions */ |
| extern bool gma_pipe_has_type(struct drm_crtc *crtc, int type); |
| extern void gma_wait_for_vblank(struct drm_device *dev); |
| extern int gma_pipe_set_base(struct drm_crtc *crtc, int x, int y, |
| struct drm_framebuffer *old_fb); |
| extern int gma_crtc_cursor_set(struct drm_crtc *crtc, |
| struct drm_file *file_priv, |
| uint32_t handle, |
| uint32_t width, uint32_t height); |
| extern int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); |
| extern void gma_crtc_load_lut(struct drm_crtc *crtc); |
| extern int gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
| u16 *blue, u32 size, |
| struct drm_modeset_acquire_ctx *ctx); |
| extern void gma_crtc_dpms(struct drm_crtc *crtc, int mode); |
| extern void gma_crtc_prepare(struct drm_crtc *crtc); |
| extern void gma_crtc_commit(struct drm_crtc *crtc); |
| extern void gma_crtc_disable(struct drm_crtc *crtc); |
| extern void gma_crtc_destroy(struct drm_crtc *crtc); |
| extern int gma_crtc_set_config(struct drm_mode_set *set, |
| struct drm_modeset_acquire_ctx *ctx); |
| |
| extern void gma_crtc_save(struct drm_crtc *crtc); |
| extern void gma_crtc_restore(struct drm_crtc *crtc); |
| |
| extern void gma_encoder_prepare(struct drm_encoder *encoder); |
| extern void gma_encoder_commit(struct drm_encoder *encoder); |
| extern void gma_encoder_destroy(struct drm_encoder *encoder); |
| |
| /* Common clock related functions */ |
| extern const struct gma_limit_t *gma_limit(struct drm_crtc *crtc, int refclk); |
| extern void gma_clock(int refclk, struct gma_clock_t *clock); |
| extern bool gma_pll_is_valid(struct drm_crtc *crtc, |
| const struct gma_limit_t *limit, |
| struct gma_clock_t *clock); |
| extern bool gma_find_best_pll(const struct gma_limit_t *limit, |
| struct drm_crtc *crtc, int target, int refclk, |
| struct gma_clock_t *best_clock); |
| #endif |
