linux/drivers/gpu/drm/armada/armada_crtc.h
Russell King 9611cb93fa drm/armada: register crtc with port
Register the CRTC with the port node so that the DRM OF helpers can
find the appropriate CRTC.  This is important so that encoders can
identify their corresponding possible CRTCs.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-07-11 20:34:47 +01:00

91 lines
2.2 KiB
C

/*
* 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_frame_work;
struct armada_variant;
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;
wait_queue_head_t frame_wait;
struct armada_frame_work *frame_work;
spinlock_t irq_lock;
uint32_t irq_ena;
struct list_head vbl_list;
};
#define drm_to_armada_crtc(c) container_of(c, struct armada_crtc, crtc)
struct device_node;
int armada_drm_crtc_create(struct drm_device *, struct device *,
struct resource *, int, const struct armada_variant *,
struct device_node *);
void armada_drm_crtc_gamma_set(struct drm_crtc *, u16, u16, u16, int);
void armada_drm_crtc_gamma_get(struct drm_crtc *, u16 *, u16 *, u16 *, int);
void armada_drm_crtc_disable_irq(struct armada_crtc *, u32);
void armada_drm_crtc_enable_irq(struct armada_crtc *, u32);
void armada_drm_crtc_update_regs(struct armada_crtc *, struct armada_regs *);
extern struct platform_driver armada_lcd_platform_driver;
#endif