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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* rcar_du_drv.h -- R-Car Display Unit DRM driver
*
* Copyright (C) 2013-2015 Renesas Electronics Corporation
*
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*/
#ifndef __RCAR_DU_DRV_H__
#define __RCAR_DU_DRV_H__
#include <linux/kernel.h>
#include <linux/wait.h>
#include "rcar_du_crtc.h"
#include "rcar_du_group.h"
#include "rcar_du_vsp.h"
struct clk;
struct device;
struct drm_device;
struct drm_fbdev_cma;
struct rcar_du_device;
#define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK (1 << 0) /* Per-CRTC IRQ and clock */
#define RCAR_DU_FEATURE_EXT_CTRL_REGS (1 << 1) /* Has extended control registers */
#define RCAR_DU_FEATURE_VSP1_SOURCE (1 << 2) /* Has inputs from VSP1 */
#define RCAR_DU_QUIRK_ALIGN_128B (1 << 0) /* Align pitches to 128 bytes */
/*
* struct rcar_du_output_routing - Output routing specification
* @possible_crtcs: bitmask of possible CRTCs for the output
* @port: device tree port number corresponding to this output route
*
* The DU has 5 possible outputs (DPAD0/1, LVDS0/1, TCON). Output routing data
* specify the valid SoC outputs, which CRTCs can drive the output, and the type
* of in-SoC encoder for the output.
*/
struct rcar_du_output_routing {
unsigned int possible_crtcs;
unsigned int port;
};
/*
* struct rcar_du_device_info - DU model-specific information
* @gen: device generation (2 or 3)
* @features: device features (RCAR_DU_FEATURE_*)
* @quirks: device quirks (RCAR_DU_QUIRK_*)
* @channels_mask: bit mask of available DU channels
* @routes: array of CRTC to output routes, indexed by output (RCAR_DU_OUTPUT_*)
* @num_lvds: number of internal LVDS encoders
*/
struct rcar_du_device_info {
unsigned int gen;
unsigned int features;
unsigned int quirks;
unsigned int channels_mask;
struct rcar_du_output_routing routes[RCAR_DU_OUTPUT_MAX];
unsigned int num_lvds;
unsigned int dpll_ch;
};
#define RCAR_DU_MAX_CRTCS 4
#define RCAR_DU_MAX_GROUPS DIV_ROUND_UP(RCAR_DU_MAX_CRTCS, 2)
#define RCAR_DU_MAX_VSPS 4
struct rcar_du_device {
struct device *dev;
const struct rcar_du_device_info *info;
void __iomem *mmio;
struct drm_device *ddev;
struct drm_fbdev_cma *fbdev;
struct drm_atomic_state *suspend_state;
struct rcar_du_crtc crtcs[RCAR_DU_MAX_CRTCS];
unsigned int num_crtcs;
struct rcar_du_group groups[RCAR_DU_MAX_GROUPS];
struct rcar_du_vsp vsps[RCAR_DU_MAX_VSPS];
struct {
struct drm_property *colorkey;
} props;
unsigned int dpad0_source;
unsigned int vspd1_sink;
};
static inline bool rcar_du_has(struct rcar_du_device *rcdu,
unsigned int feature)
{
return rcdu->info->features & feature;
}
static inline bool rcar_du_needs(struct rcar_du_device *rcdu,
unsigned int quirk)
{
return rcdu->info->quirks & quirk;
}
static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg)
{
return ioread32(rcdu->mmio + reg);
}
static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data)
{
iowrite32(data, rcdu->mmio + reg);
}
#endif /* __RCAR_DU_DRV_H__ */
|
