1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* SPDX-License-Identifier: GPL-2.0-only
*
* Copyright © 2018-2020 Intel Corporation
*/
#ifndef __KMB_DRV_H__
#define __KMB_DRV_H__
#include <drm/drm_device.h>
#include "kmb_plane.h"
#include "kmb_regs.h"
#define KMB_MAX_WIDTH 1920 /*Max width in pixels */
#define KMB_MAX_HEIGHT 1080 /*Max height in pixels */
#define KMB_MIN_WIDTH 1920 /*Max width in pixels */
#define KMB_MIN_HEIGHT 1080 /*Max height in pixels */
#define DRIVER_DATE "20210223"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 1
#define KMB_LCD_DEFAULT_CLK 200000000
#define KMB_SYS_CLK_MHZ 500
#define ICAM_MMIO 0x3b100000
#define ICAM_LCD_OFFSET 0x1080
#define ICAM_MMIO_SIZE 0x2000
struct kmb_dsi;
struct kmb_clock {
struct clk *clk_lcd;
struct clk *clk_pll0;
};
struct kmb_drm_private {
struct drm_device drm;
struct kmb_dsi *kmb_dsi;
void __iomem *lcd_mmio;
struct kmb_clock kmb_clk;
struct drm_crtc crtc;
struct kmb_plane *plane;
struct drm_atomic_state *state;
spinlock_t irq_lock;
int irq_lcd;
int sys_clk_mhz;
struct layer_status plane_status[KMB_MAX_PLANES];
int kmb_under_flow;
int kmb_flush_done;
int layer_no;
};
static inline struct kmb_drm_private *to_kmb(const struct drm_device *dev)
{
return container_of(dev, struct kmb_drm_private, drm);
}
static inline struct kmb_drm_private *crtc_to_kmb_priv(const struct drm_crtc *x)
{
return container_of(x, struct kmb_drm_private, crtc);
}
static inline void kmb_write_lcd(struct kmb_drm_private *dev_p,
unsigned int reg, u32 value)
{
writel(value, (dev_p->lcd_mmio + reg));
}
static inline u32 kmb_read_lcd(struct kmb_drm_private *dev_p, unsigned int reg)
{
return readl(dev_p->lcd_mmio + reg);
}
static inline void kmb_set_bitmask_lcd(struct kmb_drm_private *dev_p,
unsigned int reg, u32 mask)
{
u32 reg_val = kmb_read_lcd(dev_p, reg);
kmb_write_lcd(dev_p, reg, (reg_val | mask));
}
static inline void kmb_clr_bitmask_lcd(struct kmb_drm_private *dev_p,
unsigned int reg, u32 mask)
{
u32 reg_val = kmb_read_lcd(dev_p, reg);
kmb_write_lcd(dev_p, reg, (reg_val & (~mask)));
}
int kmb_setup_crtc(struct drm_device *dev);
void kmb_set_scanout(struct kmb_drm_private *lcd);
#endif /* __KMB_DRV_H__ */
|
