1 /* 2 * Copyright (C) 2012 Russell King 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 #ifndef ARMADA_CRTC_H 9 #define ARMADA_CRTC_H 10 11 struct armada_gem_object; 12 13 struct armada_regs { 14 uint32_t offset; 15 uint32_t mask; 16 uint32_t val; 17 }; 18 19 #define armada_reg_queue_mod(_r, _i, _v, _m, _o) \ 20 do { \ 21 struct armada_regs *__reg = _r; \ 22 __reg[_i].offset = _o; \ 23 __reg[_i].mask = ~(_m); \ 24 __reg[_i].val = _v; \ 25 _i++; \ 26 } while (0) 27 28 #define armada_reg_queue_set(_r, _i, _v, _o) \ 29 armada_reg_queue_mod(_r, _i, _v, ~0, _o) 30 31 #define armada_reg_queue_end(_r, _i) \ 32 armada_reg_queue_mod(_r, _i, 0, 0, ~0) 33 34 struct armada_crtc; 35 struct armada_plane; 36 struct armada_variant; 37 38 struct armada_plane_work { 39 void (*fn)(struct armada_crtc *, struct armada_plane_work *); 40 void (*cancel)(struct armada_crtc *, struct armada_plane_work *); 41 bool need_kfree; 42 struct drm_plane *plane; 43 struct drm_framebuffer *old_fb; 44 struct drm_pending_vblank_event *event; 45 struct armada_regs regs[14]; 46 }; 47 48 struct armada_plane_state { 49 u16 src_x; 50 u16 src_y; 51 u32 src_hw; 52 u32 dst_hw; 53 u32 dst_yx; 54 u32 ctrl0; 55 bool changed; 56 bool vsync_update; 57 }; 58 59 struct armada_plane { 60 struct drm_plane base; 61 wait_queue_head_t frame_wait; 62 bool next_work; 63 struct armada_plane_work works[2]; 64 struct armada_plane_work *work; 65 struct armada_plane_state state; 66 }; 67 #define drm_to_armada_plane(p) container_of(p, struct armada_plane, base) 68 69 int armada_drm_plane_init(struct armada_plane *plane); 70 int armada_drm_plane_work_queue(struct armada_crtc *dcrtc, 71 struct armada_plane_work *work); 72 int armada_drm_plane_work_wait(struct armada_plane *plane, long timeout); 73 void armada_drm_plane_work_cancel(struct armada_crtc *dcrtc, 74 struct armada_plane *plane); 75 void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb, 76 int x, int y); 77 78 struct armada_crtc { 79 struct drm_crtc crtc; 80 const struct armada_variant *variant; 81 unsigned num; 82 void __iomem *base; 83 struct clk *clk; 84 struct clk *extclk[2]; 85 struct { 86 uint32_t spu_v_h_total; 87 uint32_t spu_v_porch; 88 uint32_t spu_adv_reg; 89 } v[2]; 90 bool interlaced; 91 bool cursor_update; 92 uint8_t csc_yuv_mode; 93 uint8_t csc_rgb_mode; 94 95 struct drm_plane *plane; 96 97 struct armada_gem_object *cursor_obj; 98 int cursor_x; 99 int cursor_y; 100 uint32_t cursor_hw_pos; 101 uint32_t cursor_hw_sz; 102 uint32_t cursor_w; 103 uint32_t cursor_h; 104 105 int dpms; 106 uint32_t cfg_dumb_ctrl; 107 uint32_t dumb_ctrl; 108 uint32_t spu_iopad_ctrl; 109 110 spinlock_t irq_lock; 111 uint32_t irq_ena; 112 }; 113 #define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc) 114 115 void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *); 116 117 int armada_drm_plane_disable(struct drm_plane *plane, 118 struct drm_modeset_acquire_ctx *ctx); 119 120 extern struct platform_driver armada_lcd_platform_driver; 121 122 #endif 123