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
 11struct armada_gem_object;
 12
 13struct 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
 34struct armada_crtc;
 35struct armada_plane;
 36struct armada_variant;
 37
 38struct armada_plane_work {
 39	void			(*fn)(struct armada_crtc *,
 40				      struct armada_plane *,
 41				      struct armada_plane_work *);
 42};
 43
 44struct 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
 51int armada_drm_plane_init(struct armada_plane *plane);
 52int armada_drm_plane_work_queue(struct armada_crtc *dcrtc,
 53	struct armada_plane *plane, struct armada_plane_work *work);
 54int armada_drm_plane_work_wait(struct armada_plane *plane, long timeout);
 55struct armada_plane_work *armada_drm_plane_work_cancel(
 56	struct armada_crtc *dcrtc, struct armada_plane *plane);
 57
 58struct 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
 95void armada_drm_crtc_gamma_set(struct drm_crtc *, u16, u16, u16, int);
 96void armada_drm_crtc_gamma_get(struct drm_crtc *, u16 *, u16 *, u16 *, int);
 97void armada_drm_crtc_disable_irq(struct armada_crtc *, u32);
 98void armada_drm_crtc_enable_irq(struct armada_crtc *, u32);
 99void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);
100
101void armada_drm_crtc_plane_disable(struct armada_crtc *dcrtc,
102	struct drm_plane *plane);
103
104extern struct platform_driver armada_lcd_platform_driver;
105
106#endif