Patrik Jakobsson | 5ea75e0 | 2013-06-30 21:39:00 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2006-2011 Intel Corporation |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify it |
| 5 | * under the terms and conditions of the GNU General Public License, |
| 6 | * version 2, as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 11 | * more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along with |
| 14 | * this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| 16 | * |
| 17 | * Authors: |
| 18 | * Eric Anholt <eric@anholt.net> |
| 19 | * Patrik Jakobsson <patrik.r.jakobsson@gmail.com> |
| 20 | */ |
| 21 | |
| 22 | #ifndef _GMA_DISPLAY_H_ |
| 23 | #define _GMA_DISPLAY_H_ |
| 24 | |
Patrik Jakobsson | 924cb5f | 2013-07-12 15:38:52 +0200 | [diff] [blame] | 25 | #include <linux/pm_runtime.h> |
| 26 | |
Patrik Jakobsson | 5ea75e0 | 2013-06-30 21:39:00 +0200 | [diff] [blame] | 27 | struct gma_clock_t { |
| 28 | /* given values */ |
| 29 | int n; |
| 30 | int m1, m2; |
| 31 | int p1, p2; |
| 32 | /* derived values */ |
| 33 | int dot; |
| 34 | int vco; |
| 35 | int m; |
| 36 | int p; |
| 37 | }; |
| 38 | |
| 39 | struct gma_range_t { |
| 40 | int min, max; |
| 41 | }; |
| 42 | |
| 43 | struct gma_p2_t { |
| 44 | int dot_limit; |
| 45 | int p2_slow, p2_fast; |
| 46 | }; |
| 47 | |
| 48 | struct gma_limit_t { |
| 49 | struct gma_range_t dot, vco, n, m, m1, m2, p, p1; |
| 50 | struct gma_p2_t p2; |
| 51 | bool (*find_pll)(const struct gma_limit_t *, struct drm_crtc *, |
| 52 | int target, int refclk, |
| 53 | struct gma_clock_t *best_clock); |
| 54 | }; |
| 55 | |
| 56 | struct gma_clock_funcs { |
| 57 | void (*clock)(int refclk, struct gma_clock_t *clock); |
| 58 | const struct gma_limit_t *(*limit)(struct drm_crtc *crtc, int refclk); |
| 59 | bool (*pll_is_valid)(struct drm_crtc *crtc, |
| 60 | const struct gma_limit_t *limit, |
| 61 | struct gma_clock_t *clock); |
| 62 | }; |
| 63 | |
| 64 | /* Common pipe related functions */ |
| 65 | extern bool gma_pipe_has_type(struct drm_crtc *crtc, int type); |
Patrik Jakobsson | 2eff0b3 | 2013-07-05 16:41:49 +0200 | [diff] [blame] | 66 | extern void gma_wait_for_vblank(struct drm_device *dev); |
| 67 | extern int gma_pipe_set_base(struct drm_crtc *crtc, int x, int y, |
| 68 | struct drm_framebuffer *old_fb); |
Patrik Jakobsson | 38945be | 2013-07-10 23:43:01 +0200 | [diff] [blame] | 69 | extern int gma_crtc_cursor_set(struct drm_crtc *crtc, |
| 70 | struct drm_file *file_priv, |
| 71 | uint32_t handle, |
| 72 | uint32_t width, uint32_t height); |
| 73 | extern int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); |
Patrik Jakobsson | 2eff0b3 | 2013-07-05 16:41:49 +0200 | [diff] [blame] | 74 | extern void gma_crtc_load_lut(struct drm_crtc *crtc); |
| 75 | extern void gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
| 76 | u16 *blue, u32 start, u32 size); |
| 77 | extern void gma_crtc_dpms(struct drm_crtc *crtc, int mode); |
Patrik Jakobsson | 2eff0b3 | 2013-07-05 16:41:49 +0200 | [diff] [blame] | 78 | extern void gma_crtc_prepare(struct drm_crtc *crtc); |
| 79 | extern void gma_crtc_commit(struct drm_crtc *crtc); |
| 80 | extern void gma_crtc_disable(struct drm_crtc *crtc); |
| 81 | extern void gma_crtc_destroy(struct drm_crtc *crtc); |
Patrik Jakobsson | 924cb5f | 2013-07-12 15:38:52 +0200 | [diff] [blame] | 82 | extern int gma_crtc_set_config(struct drm_mode_set *set); |
Patrik Jakobsson | 5ea75e0 | 2013-06-30 21:39:00 +0200 | [diff] [blame] | 83 | |
Patrik Jakobsson | 2e77570 | 2013-07-12 15:30:56 +0200 | [diff] [blame] | 84 | extern void gma_crtc_save(struct drm_crtc *crtc); |
| 85 | extern void gma_crtc_restore(struct drm_crtc *crtc); |
| 86 | |
Patrik Jakobsson | 5934584 | 2013-07-11 00:54:45 +0200 | [diff] [blame] | 87 | extern void gma_encoder_prepare(struct drm_encoder *encoder); |
| 88 | extern void gma_encoder_commit(struct drm_encoder *encoder); |
| 89 | extern void gma_encoder_destroy(struct drm_encoder *encoder); |
| 90 | |
Patrik Jakobsson | 5ea75e0 | 2013-06-30 21:39:00 +0200 | [diff] [blame] | 91 | /* Common clock related functions */ |
| 92 | extern const struct gma_limit_t *gma_limit(struct drm_crtc *crtc, int refclk); |
| 93 | extern void gma_clock(int refclk, struct gma_clock_t *clock); |
| 94 | extern bool gma_pll_is_valid(struct drm_crtc *crtc, |
| 95 | const struct gma_limit_t *limit, |
| 96 | struct gma_clock_t *clock); |
| 97 | extern bool gma_find_best_pll(const struct gma_limit_t *limit, |
| 98 | struct drm_crtc *crtc, int target, int refclk, |
| 99 | struct gma_clock_t *best_clock); |
Patrik Jakobsson | 5ea75e0 | 2013-06-30 21:39:00 +0200 | [diff] [blame] | 100 | #endif |