LXR linux/drivers/gpu/drm/armada/armada

   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#include <drm/drm_crtc.h>
  12
  13struct armada_gem_object;
  14
  15struct armada_regs {
  16        uint32_t offset;
  17        uint32_t mask;
  18        uint32_t val;
  19};
  20
  21#define armada_reg_queue_mod(_r, _i, _v, _m, _o)        \
  22        do {                                    \
  23                struct armada_regs *__reg = _r; \
  24                __reg[_i].offset = _o;          \
  25                __reg[_i].mask = ~(_m);         \
  26                __reg[_i].val = _v;             \
  27                _i++;                           \
  28        } while (0)
  29
  30#define armada_reg_queue_set(_r, _i, _v, _o)    \
  31        armada_reg_queue_mod(_r, _i, _v, ~0, _o)
  32
  33#define armada_reg_queue_end(_r, _i)            \
  34        armada_reg_queue_mod(_r, _i, 0, 0, ~0)
  35
  36struct armada_crtc;
  37struct armada_variant;
  38
  39struct armada_crtc {
  40        struct drm_crtc         crtc;
  41        const struct armada_variant *variant;
  42        unsigned                num;
  43        void __iomem            *base;
  44        struct clk              *clk;
  45        struct clk              *extclk[2];
  46        struct {
  47                uint32_t        spu_v_h_total;
  48                uint32_t        spu_v_porch;
  49                uint32_t        spu_adv_reg;
  50        } v[2];
  51        bool                    interlaced;
  52        bool                    cursor_update;
  53
  54        struct armada_gem_object        *cursor_obj;
  55        int                     cursor_x;
  56        int                     cursor_y;
  57        uint32_t                cursor_hw_pos;
  58        uint32_t                cursor_hw_sz;
  59        uint32_t                cursor_w;
  60        uint32_t                cursor_h;
  61
  62        uint32_t                cfg_dumb_ctrl;
  63        uint32_t                spu_iopad_ctrl;
  64
  65        spinlock_t              irq_lock;
  66        uint32_t                irq_ena;
  67
  68        bool                    update_pending;
  69        struct drm_pending_vblank_event *event;
  70        struct armada_regs      atomic_regs[32];
  71        struct armada_regs      *regs;
  72        unsigned int            regs_idx;
  73};
  74#define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)
  75
  76void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);
  77
  78extern struct platform_driver armada_lcd_platform_driver;
  79
  80#endif
  81