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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
#include <console/console.h>
#include <device/mmio.h>
#include <edid.h>
#include <soc/addressmap.h>
#include <soc/ddp.h>
static void disp_config_main_path_connection(void)
{
/* ovl0 */
write32(&mmsys_cfg->mmsys_ovl_mout_en,
DISP_OVL0_TO_DISP_RDMA0);
write32(&mmsys_cfg->mmsys_dp_intf0_sel_in,
SEL_IN_DP_INTF0_FROM_DISP_DITHER0);
write32(&mmsys_cfg->mmsys_dither0_sel_out,
SEL_OUT_DISP_DITHER0_TO_DP_INTF0);
}
static void disp_config_main_path_mutex(void)
{
write32(&disp_mutex->mutex[0].mod, MUTEX_MOD_MAIN_PATH);
/* Clock source from DP_INTF0 */
write32(&disp_mutex->mutex[0].ctl,
MUTEX_SOF_DP_INTF0 | (MUTEX_SOF_DP_INTF0 << 7));
write32(&disp_mutex->mutex[0].en, BIT(0));
}
static void ovl_layer_smi_id_en(u32 idx)
{
setbits32(&disp_ovl[idx]->datapath_con, BIT(0));
}
static void ovl_layer_gclast_en(u32 idx)
{
setbits32(&disp_ovl[idx]->datapath_con, BIT(24));
setbits32(&disp_ovl[idx]->datapath_con, BIT(25));
}
static void ovl_layer_output_clamp_en(u32 idx)
{
setbits32(&disp_ovl[idx]->datapath_con, BIT(26));
}
static void ovl_layer_en(u32 idx)
{
setbits32(&disp_ovl[idx]->en, BIT(0));
}
static void ccorr_config(u32 width, u32 height)
{
struct disp_ccorr_regs *const regs = disp_ccorr;
write32(®s->size, width << 16 | height);
clrsetbits32(®s->cfg, PQ_ENGINE_EN, PQ_RELAY_MODE);
write32(®s->en, PQ_EN);
}
static void aal_config(u32 width, u32 height)
{
struct disp_aal_regs *const regs = disp_aal;
write32(®s->size, width << 16 | height);
write32(®s->output_size, width << 16 | height);
clrsetbits32(®s->cfg, PQ_ENGINE_EN, PQ_RELAY_MODE);
write32(®s->en, PQ_EN);
}
static void gamma_config(u32 width, u32 height)
{
struct disp_gamma_regs *const regs = disp_gamma;
write32(®s->size, width << 16 | height);
setbits32(®s->cfg, PQ_RELAY_MODE);
write32(®s->en, PQ_EN);
}
static void postmask_config(u32 width, u32 height)
{
struct disp_postmask_regs *const regs = disp_postmask;
write32(®s->size, width << 16 | height);
setbits32(®s->cfg, PQ_RELAY_MODE);
write32(®s->en, PQ_EN);
}
static void dither_config(u32 width, u32 height)
{
struct disp_dither_regs *const regs = disp_dither;
write32(®s->size, width << 16 | height);
setbits32(®s->cfg, PQ_RELAY_MODE);
write32(®s->en, PQ_EN);
}
static void main_disp_path_setup(u32 width, u32 height, u32 vrefresh)
{
u32 idx;
const u32 pixel_clk = width * height * vrefresh;
for (idx = 0; idx < MAIN_PATH_OVL_NR; idx++) {
ovl_set_roi(idx, width, height, idx ? 0 : 0xff0000ff);
ovl_layer_smi_id_en(idx);
ovl_layer_gclast_en(idx);
ovl_layer_output_clamp_en(idx);
ovl_layer_en(idx);
}
rdma_config(width, height, pixel_clk, 5 * KiB);
color_start(width, height);
ccorr_config(width, height);
aal_config(width, height);
gamma_config(width, height);
postmask_config(width, height);
dither_config(width, height);
disp_config_main_path_connection();
disp_config_main_path_mutex();
}
static void disp_clock_on(void)
{
clrbits32(&mmsys_cfg->mmsys_cg_con0, CG_CON0_DISP_ALL);
clrbits32(&mmsys_cfg->mmsys_cg_con1, CG_CON1_DISP_ALL);
clrbits32(&mmsys_cfg->mmsys_cg_con2, CG_CON2_DISP_ALL);
}
void mtk_ddp_init(void)
{
disp_clock_on();
/* Turn off M4U port. */
write32p(SMI_LARB0 + SMI_LARB_PORT_L0_OVL_RDMA0, 0);
}
void mtk_ddp_mode_set(const struct edid *edid)
{
u32 fmt = OVL_INFMT_RGBA8888;
u32 bpp = edid->framebuffer_bits_per_pixel / 8;
u32 width = edid->mode.ha;
u32 height = edid->mode.va;
u32 vrefresh = edid->mode.refresh;
printk(BIOS_DEBUG, "%s: display resolution: %dx%d@%d bpp %d\n",
__func__, width, height, vrefresh, bpp);
if (!vrefresh) {
if (!width || !height)
vrefresh = 60;
else
vrefresh = edid->mode.pixel_clock * 1000 /
((width + edid->mode.hbl) *
(height + edid->mode.vbl));
printk(BIOS_WARNING, "%s: vrefresh is not provided; using %d\n",
__func__, vrefresh);
}
main_disp_path_setup(width, height, vrefresh);
rdma_start();
ovl_layer_config(fmt, bpp, width, height);
}
|
