b621e08ed4
Add a new Krabby follower 'Chinchou'. BUG=b:307161347 TEST=make # select Chinchou Change-Id: Ic90f85621598ab253d3ec9fe44aa076712248223 Signed-off-by: wuyang5 <wuyang5@huaqin.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/78596 Reviewed-by: Yidi Lin <yidilin@google.com> Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <boardid.h>
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#include <cbfs.h>
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#include <console/console.h>
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#include <device/i2c_simple.h>
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#include <edid.h>
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#include <gpio.h>
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#include <soc/ddp.h>
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#include <soc/dsi.h>
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#include <soc/gpio_common.h>
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#include <soc/mtcmos.h>
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#include "display.h"
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#include "gpio.h"
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void aw37503_init(unsigned int bus)
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{
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i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x00, 0x14, 0x1F, 0);
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i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x01, 0x14, 0x1F, 0);
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i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x21, 0x4C, 0xFF, 0);
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i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x03, 0x43, 0xFF, 0);
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i2c_write_field(bus, PMIC_AW37503_SLAVE, 0x21, 0x00, 0xFF, 0);
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}
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bool is_pmic_aw37503(unsigned int bus)
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{
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u8 vendor_id;
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return (!i2c_read_field(bus, PMIC_AW37503_SLAVE,
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0x04, &vendor_id, 0x0F, 0) && vendor_id == 0x01);
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}
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static void backlight_control(void)
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{
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/* Disable backlight before turning on bridge */
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gpio_output(GPIO_AP_EDP_BKLTEN, 0);
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gpio_output(GPIO_BL_PWM_1V8, 0);
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/* For staryu variants, GPIO_EN_PP3300_DISP_X is controlled in
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mipi_panel_power_on() */
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if (!CONFIG(BOARD_GOOGLE_STARYU_COMMON))
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gpio_output(GPIO_EN_PP3300_DISP_X, 1);
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}
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struct panel_description *get_panel_from_cbfs(struct panel_description *desc)
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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];
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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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return NULL;
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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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desc->s = &buffer.s;
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else
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printk(BIOS_ERR, "Missing %s in CBFS.\n", cbfs_name);
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return desc->s ? desc : NULL;
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}
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static struct panel_description *get_active_panel(void)
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{
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/* Board-specific exceptions */
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if (CONFIG(BOARD_GOOGLE_STEELIX) && board_id() < 2) /* Early builds use PS8640 */
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return get_ps8640_description();
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if (CONFIG(DRIVER_ANALOGIX_ANX7625))
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return get_anx7625_description();
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if (CONFIG(DRIVER_PARADE_PS8640))
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return get_ps8640_description();
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/* MIPI panels */
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return get_panel_description();
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}
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int configure_display(void)
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{
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/* Set up backlight control pins as output pin and power-off by default */
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backlight_control();
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const struct panel_description *panel = get_active_panel();
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if (!panel)
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return -1;
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printk(BIOS_INFO, "%s: Starting display init\n", __func__);
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if (panel->power_on)
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panel->power_on();
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struct edid edid = panel->s->edid;
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const char *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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mtcmos_display_power_on();
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mtcmos_protect_display_bus();
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edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
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mtk_ddp_init();
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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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panel->s->init) < 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(BRIDGE_I2C, &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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mtk_ddp_mode_set(&edid);
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struct fb_info *info = fb_new_framebuffer_info_from_edid(&edid,
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(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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