drivers/gpu/drm/armada/armada_crtc.h

   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 *,
  40                                       struct armada_plane *,
  41                                       struct armada_plane_work *);
  42 };
  43
  44 struct armada_plane {
  45         struct drm_plane        base;
  46         wait_queue_head_t       frame_wait;
  47         struct armada_plane_work *work;
  48 };
  49 #define drm_to_armada_plane(p) container_of(p, struct armada_plane, base)
  50
  51 int armada_drm_plane_init(struct armada_plane *plane);
  52 int armada_drm_plane_work_queue(struct armada_crtc *dcrtc,
  53         struct armada_plane *plane, struct armada_plane_work *work);
  54 int armada_drm_plane_work_wait(struct armada_plane *plane, long timeout);
  55 struct armada_plane_work *armada_drm_plane_work_cancel(
  56         struct armada_crtc *dcrtc, struct armada_plane *plane);
  57
  58 struct armada_crtc {
  59         struct drm_crtc         crtc;
  60         const struct armada_variant *variant;
  61         unsigned                num;
  62         void __iomem            *base;
  63         struct clk              *clk;
  64         struct clk              *extclk[2];
  65         struct {
  66                 uint32_t        spu_v_h_total;
  67                 uint32_t        spu_v_porch;
  68                 uint32_t        spu_adv_reg;
  69         } v[2];
  70         bool                    interlaced;
  71         bool                    cursor_update;
  72         uint8_t                 csc_yuv_mode;
  73         uint8_t                 csc_rgb_mode;
  74
  75         struct drm_plane        *plane;
  76
  77         struct armada_gem_object        *cursor_obj;
  78         int                     cursor_x;
  79         int                     cursor_y;
  80         uint32_t                cursor_hw_pos;
  81         uint32_t                cursor_hw_sz;
  82         uint32_t                cursor_w;
  83         uint32_t                cursor_h;
  84
  85         int                     dpms;
  86         uint32_t                cfg_dumb_ctrl;
  87         uint32_t                dumb_ctrl;
  88         uint32_t                spu_iopad_ctrl;
  89
  90         spinlock_t              irq_lock;
  91         uint32_t                irq_ena;
  92 };
  93 #define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)
  94
  95 void armada_drm_crtc_gamma_set(struct drm_crtc *, u16, u16, u16, int);
  96 void armada_drm_crtc_gamma_get(struct drm_crtc *, u16 *, u16 *, u16 *, int);
  97 void armada_drm_crtc_disable_irq(struct armada_crtc *, u32);
  98 void armada_drm_crtc_enable_irq(struct armada_crtc *, u32);
  99 void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);
 100
 101 void armada_drm_crtc_plane_disable(struct armada_crtc *dcrtc,
 102         struct drm_plane *plane);
 103
 104 extern struct platform_driver armada_lcd_platform_driver;
 105
 106 #endif