/*
* Copyright (c) 2011 The Chromium OS Authors.
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
LCD_MAX_LOG2_BPP = 4, /* 2^4 = 16 bpp */
};
-int lcd_line_length;
-int lcd_color_fg;
-int lcd_color_bg;
-
-void *lcd_base; /* Start of framebuffer memory */
-void *lcd_console_address; /* Start of console buffer */
-
-short console_col;
-short console_row;
-
vidinfo_t panel_info = {
/* Insert a value here so that we don't end up in the BSS */
.vl_col = -1,
};
-char lcd_cursor_enabled;
-
-ushort lcd_cursor_width;
-ushort lcd_cursor_height;
-
#ifndef CONFIG_OF_CONTROL
#error "You must enable CONFIG_OF_CONTROL to get Tegra LCD support"
#endif
-void lcd_cursor_size(ushort width, ushort height)
-{
- lcd_cursor_width = width;
- lcd_cursor_height = height;
-}
-
-void lcd_toggle_cursor(void)
-{
- ushort x, y;
- uchar *dest;
- ushort row;
-
- x = console_col * lcd_cursor_width;
- y = console_row * lcd_cursor_height;
- dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) /
- 8);
-
- for (row = 0; row < lcd_cursor_height; ++row, dest += lcd_line_length) {
- ushort *d = (ushort *)dest;
- ushort color;
- int i;
-
- for (i = 0; i < lcd_cursor_width; ++i) {
- color = *d;
- color ^= lcd_color_fg;
- *d = color;
- ++d;
- }
- }
-}
-
-void lcd_cursor_on(void)
-{
- lcd_cursor_enabled = 1;
- lcd_toggle_cursor();
-}
-void lcd_cursor_off(void)
-{
- lcd_cursor_enabled = 0;
- lcd_toggle_cursor();
-}
-
-char lcd_is_cursor_enabled(void)
-{
- return lcd_cursor_enabled;
-}
-
static void update_panel_size(struct fdt_disp_config *config)
{
panel_info.vl_col = config->width;
assert(disp_config);
- lcd_base = (void *)disp_config->frame_buffer;
-
/* Make sure that we can acommodate the selected LCD */
assert(disp_config->width <= LCD_MAX_WIDTH);
assert(disp_config->height <= LCD_MAX_HEIGHT);
/* Enable flushing after LCD writes if requested */
lcd_set_flush_dcache(config.cache_type & FDT_LCD_CACHE_FLUSH);
- debug("LCD frame buffer at %p\n", lcd_base);
+ debug("LCD frame buffer at %08X\n", disp_config->frame_buffer);
}
ulong calc_fbsize(void)
FDT_LCD_CACHE_WRITE_BACK_FLUSH);
/* These GPIOs are all optional */
- fdtdec_decode_gpio(blob, display_node, "nvidia,backlight-enable-gpios",
- &config->backlight_en);
- fdtdec_decode_gpio(blob, display_node, "nvidia,lvds-shutdown-gpios",
- &config->lvds_shutdown);
- fdtdec_decode_gpio(blob, display_node, "nvidia,backlight-vdd-gpios",
- &config->backlight_vdd);
- fdtdec_decode_gpio(blob, display_node, "nvidia,panel-vdd-gpios",
- &config->panel_vdd);
+ gpio_request_by_name_nodev(blob, display_node,
+ "nvidia,backlight-enable-gpios", 0,
+ &config->backlight_en, GPIOD_IS_OUT);
+ gpio_request_by_name_nodev(blob, display_node,
+ "nvidia,lvds-shutdown-gpios", 0,
+ &config->lvds_shutdown, GPIOD_IS_OUT);
+ gpio_request_by_name_nodev(blob, display_node,
+ "nvidia,backlight-vdd-gpios", 0,
+ &config->backlight_vdd, GPIOD_IS_OUT);
+ gpio_request_by_name_nodev(blob, display_node,
+ "nvidia,panel-vdd-gpios", 0,
+ &config->panel_vdd, GPIOD_IS_OUT);
return fdtdec_get_int_array(blob, display_node, "nvidia,panel-timings",
config->panel_timings, FDT_LCD_TIMINGS);
*/
funcmux_select(PERIPH_ID_DISP1, FUNCMUX_DEFAULT);
-
- fdtdec_setup_gpio(&config.panel_vdd);
- fdtdec_setup_gpio(&config.lvds_shutdown);
- fdtdec_setup_gpio(&config.backlight_vdd);
- fdtdec_setup_gpio(&config.backlight_en);
-
- /*
- * TODO: If fdt includes output flag we can omit this code
- * since fdtdec_setup_gpio will do it for us.
- */
- if (fdt_gpio_isvalid(&config.panel_vdd))
- gpio_direction_output(config.panel_vdd.gpio, 0);
- if (fdt_gpio_isvalid(&config.lvds_shutdown))
- gpio_direction_output(config.lvds_shutdown.gpio, 0);
- if (fdt_gpio_isvalid(&config.backlight_vdd))
- gpio_direction_output(config.backlight_vdd.gpio, 0);
- if (fdt_gpio_isvalid(&config.backlight_en))
- gpio_direction_output(config.backlight_en.gpio, 0);
break;
case STAGE_PANEL_VDD:
- if (fdt_gpio_isvalid(&config.panel_vdd))
- gpio_direction_output(config.panel_vdd.gpio, 1);
+ if (dm_gpio_is_valid(&config.panel_vdd))
+ dm_gpio_set_value(&config.panel_vdd, 1);
break;
case STAGE_LVDS:
- if (fdt_gpio_isvalid(&config.lvds_shutdown))
- gpio_set_value(config.lvds_shutdown.gpio, 1);
+ if (dm_gpio_is_valid(&config.lvds_shutdown))
+ dm_gpio_set_value(&config.lvds_shutdown, 1);
break;
case STAGE_BACKLIGHT_VDD:
- if (fdt_gpio_isvalid(&config.backlight_vdd))
- gpio_set_value(config.backlight_vdd.gpio, 1);
+ if (dm_gpio_is_valid(&config.backlight_vdd))
+ dm_gpio_set_value(&config.backlight_vdd, 1);
break;
case STAGE_PWM:
/* Enable PWM at 15/16 high, 32768 Hz with divider 1 */
- pinmux_set_func(PINGRP_GPU, PMUX_FUNC_PWM);
- pinmux_tristate_disable(PINGRP_GPU);
+ pinmux_set_func(PMUX_PINGRP_GPU, PMUX_FUNC_PWM);
+ pinmux_tristate_disable(PMUX_PINGRP_GPU);
pwm_enable(config.pwm_channel, 32768, 0xdf, 1);
break;
case STAGE_BACKLIGHT_EN:
- if (fdt_gpio_isvalid(&config.backlight_en))
- gpio_set_value(config.backlight_en.gpio, 1);
+ if (dm_gpio_is_valid(&config.backlight_en))
+ dm_gpio_set_value(&config.backlight_en, 1);
break;
case STAGE_DONE:
break;