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/*
* Copyright (C) 2012 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef ARMADA_CRTC_H
#define ARMADA_CRTC_H
struct armada_gem_object;
struct armada_regs {
uint32_t offset;
uint32_t mask;
uint32_t val;
};
#define armada_reg_queue_mod(_r, _i, _v, _m, _o) \
do { \
struct armada_regs *__reg = _r; \
__reg[_i].offset = _o; \
__reg[_i].mask = ~(_m); \
__reg[_i].val = _v; \
_i++; \
} while (0)
#define armada_reg_queue_set(_r, _i, _v, _o) \
armada_reg_queue_mod(_r, _i, _v, ~0, _o)
#define armada_reg_queue_end(_r, _i) \
armada_reg_queue_mod(_r, _i, 0, 0, ~0)
struct armada_crtc;
struct armada_plane;
struct armada_variant;
struct armada_plane_work {
void (*fn)(struct armada_crtc *, struct armada_plane_work *);
void (*cancel)(struct armada_crtc *, struct armada_plane_work *);
bool need_kfree;
struct drm_plane *plane;
struct drm_framebuffer *old_fb;
struct drm_pending_vblank_event *event;
struct armada_regs regs[14];
};
struct armada_plane_state {
u16 src_x;
u16 src_y;
u32 src_hw;
u32 dst_hw;
u32 dst_yx;
u32 ctrl0;
bool changed;
bool vsync_update;
};
struct armada_plane {
struct drm_plane base;
wait_queue_head_t frame_wait;
bool next_work;
struct armada_plane_work works[2];
struct armada_plane_work *work;
struct armada_plane_state state;
};
#define drm_to_armada_plane(p) container_of(p, struct armada_plane, base)
int armada_drm_plane_init(struct armada_plane *plane);
int armada_drm_plane_work_queue(struct armada_crtc *dcrtc,
struct armada_plane_work *work);
int armada_drm_plane_work_wait(struct armada_plane *plane, long timeout);
void armada_drm_plane_work_cancel(struct armada_crtc *dcrtc,
struct armada_plane *plane);
void armada_drm_plane_calc_addrs(u32 *addrs, struct drm_framebuffer *fb,
int x, int y);
int armada_drm_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state);
void armada_drm_plane_cleanup_fb(struct drm_plane *plane,
struct drm_plane_state *old_state);
int armada_drm_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state);
struct armada_crtc {
struct drm_crtc crtc;
const struct armada_variant *variant;
unsigned num;
void __iomem *base;
struct clk *clk;
struct clk *extclk[2];
struct {
uint32_t spu_v_h_total;
uint32_t spu_v_porch;
uint32_t spu_adv_reg;
} v[2];
bool interlaced;
bool cursor_update;
uint8_t csc_yuv_mode;
uint8_t csc_rgb_mode;
struct drm_plane *plane;
struct armada_gem_object *cursor_obj;
int cursor_x;
int cursor_y;
uint32_t cursor_hw_pos;
uint32_t cursor_hw_sz;
uint32_t cursor_w;
uint32_t cursor_h;
int dpms;
uint32_t cfg_dumb_ctrl;
uint32_t dumb_ctrl;
uint32_t spu_iopad_ctrl;
spinlock_t irq_lock;
uint32_t irq_ena;
struct armada_regs atomic_regs[32];
struct armada_regs *regs;
unsigned int regs_idx;
};
#define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)
void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);
extern struct platform_driver armada_lcd_platform_driver;
#endif
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