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_frame_work;
  35 struct armada_variant;
  36
  37 struct armada_crtc {
  38         struct drm_crtc         crtc;
  39         const struct armada_variant *variant;
  40         unsigned                num;
  41         void __iomem            *base;
  42         struct clk              *clk;
  43         struct clk              *extclk[2];
  44         struct {
  45                 uint32_t        spu_v_h_total;
  46                 uint32_t        spu_v_porch;
  47                 uint32_t        spu_adv_reg;
  48         } v[2];
  49         bool                    interlaced;
  50         bool                    cursor_update;
  51         uint8_t                 csc_yuv_mode;
  52         uint8_t                 csc_rgb_mode;
  53
  54         struct drm_plane        *plane;
  55
  56         struct armada_gem_object        *cursor_obj;
  57         int                     cursor_x;
  58         int                     cursor_y;
  59         uint32_t                cursor_hw_pos;
  60         uint32_t                cursor_hw_sz;
  61         uint32_t                cursor_w;
  62         uint32_t                cursor_h;
  63
  64         int                     dpms;
  65         uint32_t                cfg_dumb_ctrl;
  66         uint32_t                dumb_ctrl;
  67         uint32_t                spu_iopad_ctrl;
  68
  69         wait_queue_head_t       frame_wait;
  70         struct armada_frame_work *frame_work;
  71
  72         spinlock_t              irq_lock;
  73         uint32_t                irq_ena;
  74         struct list_head        vbl_list;
  75 };
  76 #define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)
  77
  78 struct armada_vbl_event {
  79         struct list_head        node;
  80         void                    *data;
  81         void                    (*fn)(struct armada_crtc *, void *);
  82 };
  83
  84 void armada_drm_vbl_event_add(struct armada_crtc *,
  85         struct armada_vbl_event *);
  86 void armada_drm_vbl_event_remove(struct armada_crtc *,
  87         struct armada_vbl_event *);
  88 #define armada_drm_vbl_event_init(_e, _f, _d) do {      \
  89         struct armada_vbl_event *__e = _e;              \
  90         INIT_LIST_HEAD(&__e->node);                     \
  91         __e->data = _d;                                 \
  92         __e->fn = _f;                                   \
  93 } while (0)
  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 extern struct platform_driver armada_lcd_platform_driver;
 102
 103 #endif