123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
/*
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* Copyright (C) 2012 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef ARMADA_CRTC_H
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#define ARMADA_CRTC_H
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struct armada_gem_object;
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struct armada_regs {
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uint32_t offset;
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uint32_t mask;
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uint32_t val;
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};
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#define armada_reg_queue_mod(_r, _i, _v, _m, _o) \
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do { \
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struct armada_regs *__reg = _r; \
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__reg[_i].offset = _o; \
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__reg[_i].mask = ~(_m); \
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__reg[_i].val = _v; \
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_i++; \
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} while (0)
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#define armada_reg_queue_set(_r, _i, _v, _o) \
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armada_reg_queue_mod(_r, _i, _v, ~0, _o)
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#define armada_reg_queue_end(_r, _i) \
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armada_reg_queue_mod(_r, _i, 0, 0, ~0)
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struct armada_crtc;
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struct armada_plane;
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struct armada_variant;
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struct armada_plane_work {
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void (*fn)(struct armada_crtc *, struct armada_plane_work *);
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void (*cancel)(struct armada_crtc *, struct armada_plane_work *);
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bool need_kfree;
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struct drm_plane *plane;
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struct drm_framebuffer *old_fb;
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struct drm_pending_vblank_event *event;
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struct armada_regs regs[14];
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};
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struct armada_plane_state {
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u16 src_x;
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u16 src_y;
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u32 src_hw;
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u32 dst_hw;
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u32 dst_yx;
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u32 ctrl0;
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bool changed;
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bool vsync_update;
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};
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struct armada_plane {
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struct drm_plane base;
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wait_queue_head_t frame_wait;
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bool next_work;
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struct armada_plane_work works[2];
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struct armada_plane_work *work;
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struct armada_plane_state state;
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};
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#define drm_to_armada_plane(p) container_of(p, struct armada_plane, base)
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int armada_drm_plane_init(struct armada_plane *plane);
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int armada_drm_plane_work_queue(struct armada_crtc *dcrtc,
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struct armada_plane_work *work);
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int armada_drm_plane_work_wait(struct armada_plane *plane, long timeout);
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void armada_drm_plane_work_cancel(struct armada_crtc *dcrtc,
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struct armada_plane *plane);
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void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb,
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int x, int y);
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struct armada_crtc {
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struct drm_crtc crtc;
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const struct armada_variant *variant;
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unsigned num;
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void __iomem *base;
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struct clk *clk;
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struct clk *extclk[2];
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struct {
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uint32_t spu_v_h_total;
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uint32_t spu_v_porch;
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uint32_t spu_adv_reg;
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} v[2];
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bool interlaced;
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bool cursor_update;
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uint8_t csc_yuv_mode;
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uint8_t csc_rgb_mode;
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struct drm_plane *plane;
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struct armada_gem_object *cursor_obj;
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int cursor_x;
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int cursor_y;
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uint32_t cursor_hw_pos;
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uint32_t cursor_hw_sz;
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uint32_t cursor_w;
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uint32_t cursor_h;
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int dpms;
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uint32_t cfg_dumb_ctrl;
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uint32_t dumb_ctrl;
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uint32_t spu_iopad_ctrl;
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spinlock_t irq_lock;
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uint32_t irq_ena;
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};
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#define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)
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void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);
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int armada_drm_plane_disable(struct drm_plane *plane,
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struct drm_modeset_acquire_ctx *ctx);
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extern struct platform_driver armada_lcd_platform_driver;
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#endif
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