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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <device/mmio.h>
#include <soc/display/mdssreg.h>
void mdss_intf_tg_setup(struct edid *edid)
{
uint32_t hsync_period, vsync_period, hsync_start_x, hsync_end_x;
uint32_t display_hctl, hsync_ctl, display_vstart, display_vend;
uint32_t mdss_version;
mdss_version = read32(&mdss_hw->hw_version);
hsync_period = edid->mode.ha + edid->mode.hbl;
vsync_period = edid->mode.va + edid->mode.vbl;
hsync_start_x = edid->mode.hbl - edid->mode.hso;
hsync_end_x = hsync_period - edid->mode.hso - 1;
display_vstart = (edid->mode.vbl - edid->mode.vso) * hsync_period;
display_vend = ((vsync_period - edid->mode.vso) * hsync_period) - 1;
hsync_ctl = (hsync_period << 16) | edid->mode.hspw;
display_hctl = (hsync_end_x << 16) | hsync_start_x;
write32(&mdp_intf->intf_hsync_ctl, hsync_ctl);
write32(&mdp_intf->intf_vysnc_period_f0, vsync_period * hsync_period);
write32(&mdp_intf->intf_vysnc_pulse_width_f0, edid->mode.vspw * hsync_period);
write32(&mdp_intf->intf_disp_hctl, display_hctl);
write32(&mdp_intf->intf_disp_v_start_f0, display_vstart);
write32(&mdp_intf->intf_disp_v_end_f0, display_vend);
write32(&mdp_intf->intf_underflow_color, 0x00);
write32(&mdp_intf->intf_panel_format, 0x2100);
}
void mdss_ctrl_config(void)
{
/* Select Video Mode Interface */
write32(&mdp_ctl->ctl_top, 0x0);
/* PPB0 to INTF1 */
write32(&mdp_ctl->ctl_intf_active, INTF_ACTIVE_1);
}
|