cb7c4fdbd6
TEST=check FW screen on Steelix, Tentacruel and Starmie Change-Id: I429218d59389a6ab86b522dd597c07fa5b8ea821 Signed-off-by: Yidi Lin <yidilin@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/79777 Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <cbfs.h>
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#include <console/console.h>
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#include <delay.h>
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#include <edid.h>
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#include <framebuffer_info.h>
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#include <soc/ddp.h>
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#include <soc/display.h>
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#include <soc/dptx.h>
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#include <soc/dsi.h>
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#include <soc/mtcmos.h>
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#include <string.h>
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static struct panel_serializable_data *get_mipi_cmd_from_cbfs(struct panel_description *desc)
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{
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/*
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* The CBFS file name is panel-{MANUFACTURER}-${PANEL_NAME}, where MANUFACTURER is 3
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* characters and PANEL_NAME is usually 13 characters.
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*/
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char cbfs_name[64];
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static union {
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u8 raw[4 * 1024]; /* Most panels only need < 2K. */
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struct panel_serializable_data s;
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} buffer;
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if (!desc->name) {
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printk(BIOS_ERR, "Missing panel CBFS file name.\n");
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return NULL;
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}
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snprintf(cbfs_name, sizeof(cbfs_name), "panel-%s", desc->name);
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if (cbfs_load(cbfs_name, buffer.raw, sizeof(buffer)))
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return &buffer.s;
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printk(BIOS_ERR, "Missing %s in CBFS.\n", cbfs_name);
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return NULL;
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}
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__weak int mtk_edp_init(struct edid *edid)
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{
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printk(BIOS_WARNING, "%s: Not supported\n", __func__);
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return -1;
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}
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int mtk_display_init(void)
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{
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struct edid edid;
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struct fb_info *info;
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const char *name;
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struct panel_description *panel = get_active_panel();
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if (!panel || panel->disp_path == DISP_PATH_NONE) {
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printk(BIOS_ERR, "%s: Failed to get the active panel\n", __func__);
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return -1;
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}
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printk(BIOS_INFO, "%s: Starting display initialization\n", __func__);
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mtcmos_display_power_on();
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mtcmos_protect_display_bus();
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if (panel->configure_backlight)
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panel->configure_backlight();
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if (panel->power_on)
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panel->power_on();
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mtk_ddp_init();
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if (panel->disp_path == DISP_PATH_EDP) {
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mdelay(200);
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if (mtk_edp_init(&edid) < 0) {
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printk(BIOS_ERR, "%s: Failed to initialize eDP\n", __func__);
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return -1;
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}
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} else {
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struct panel_serializable_data *mipi_data = NULL;
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if (panel->get_edid) {
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if (panel->get_edid(&edid) < 0)
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return -1;
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} else {
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mipi_data = get_mipi_cmd_from_cbfs(panel);
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if (!mipi_data)
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return -1;
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edid = mipi_data->edid;
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}
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u32 mipi_dsi_flags = (MIPI_DSI_MODE_VIDEO |
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MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
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MIPI_DSI_MODE_LPM |
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MIPI_DSI_MODE_EOT_PACKET);
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if (mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4, &edid,
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mipi_data ? mipi_data->init : NULL) < 0) {
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printk(BIOS_ERR, "%s: Failed in DSI init\n", __func__);
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return -1;
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}
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if (panel->post_power_on && panel->post_power_on(&edid) < 0) {
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printk(BIOS_ERR, "%s: Failed to post power on bridge\n", __func__);
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return -1;
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}
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}
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name = edid.ascii_string;
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if (name[0] == '\0')
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name = "unknown name";
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printk(BIOS_INFO, "%s: '%s %s' %dx%d@%dHz\n", __func__,
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edid.manufacturer_name, name, edid.mode.ha, edid.mode.va,
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edid.mode.refresh);
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edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
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mtk_ddp_mode_set(&edid, panel->disp_path);
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info = fb_new_framebuffer_info_from_edid(&edid, (uintptr_t)0);
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if (info)
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fb_set_orientation(info, panel->orientation);
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return 0;
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}
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