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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
#include <drm/drm_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_variant;
struct armada_crtc {
struct drm_crtc crtc;
const struct armada_variant *variant;
void *variant_data;
unsigned num;
void __iomem *base;
struct clk *clk;
struct {
uint32_t spu_v_h_total;
uint32_t spu_v_porch;
uint32_t spu_adv_reg;
} v[2];
bool interlaced;
bool cursor_update;
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;
uint32_t cfg_dumb_ctrl;
uint32_t spu_iopad_ctrl;
spinlock_t irq_lock;
uint32_t irq_ena;
bool update_pending;
struct drm_pending_vblank_event *event;
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 *);
struct armada_clocking_params {
unsigned long permillage_min;
unsigned long permillage_max;
u32 settable;
u32 div_max;
};
struct armada_clk_result {
unsigned long desired_clk_hz;
struct clk *clk;
u32 div;
};
int armada_crtc_select_clock(struct armada_crtc *dcrtc,
struct armada_clk_result *res,
const struct armada_clocking_params *params,
struct clk *clks[], size_t num_clks,
unsigned long desired_khz);
extern struct platform_driver armada_lcd_platform_driver;
#endif
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