mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2026-02-05 13:33:51 +00:00
[dm][graphic] support dm mode
1. Add backlight framework for graphic. 2. Add framebuffer and plane, power, EDID for graphic framework 3. Add boot logo render for graphic 4. Update lcd.h Signed-off-by: GuEe-GUI <2991707448@qq.com>
This commit is contained in:
GuEe-GUI
367
components/drivers/include/drivers/graphic.h
Normal file
367
components/drivers/include/drivers/graphic.h
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@@ -0,0 +1,367 @@
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-02-25 GuEe-GUI the first version
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*/
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#ifndef __GRAPHIC_DM_H__
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#define __GRAPHIC_DM_H__
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#include <rthw.h>
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#include <rtthread.h>
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#include <drivers/lcd.h>
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#include <drivers/core/dm.h>
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#include <drivers/byteorder.h>
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#include <drivers/classes/graphic.h>
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#undef rt_graphix_ops
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#define rt_graphix_ops(dev) \
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rt_graphic_device_switch_primary(rt_container_of(dev, struct rt_graphic_device, parent))
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rt_packed(struct est_timings
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{
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rt_uint8_t t1;
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rt_uint8_t t2;
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rt_uint8_t mfg_rsvd;
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});
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rt_packed(struct std_timing
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{
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/* Need to multiply by 8 then add 248 */
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rt_uint8_t hsize;
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rt_uint8_t vfreq_aspect;
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});
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rt_packed(struct detailed_pixel_timing
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{
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rt_uint8_t hactive_lo;
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rt_uint8_t hblank_lo;
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rt_uint8_t hactive_hblank_hi;
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rt_uint8_t vactive_lo;
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rt_uint8_t vblank_lo;
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rt_uint8_t vactive_vblank_hi;
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rt_uint8_t hsync_offset_lo;
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rt_uint8_t hsync_pulse_width_lo;
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rt_uint8_t vsync_offset_pulse_width_lo;
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rt_uint8_t hsync_vsync_offset_pulse_width_hi;
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rt_uint8_t width_mm_lo;
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rt_uint8_t height_mm_lo;
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rt_uint8_t width_height_mm_hi;
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rt_uint8_t hborder;
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rt_uint8_t vborder;
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rt_uint8_t misc;
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});
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rt_packed(struct detailed_data_string
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{
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rt_uint8_t str[13];
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});
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rt_packed(struct detailed_data_monitor_range
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{
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rt_uint8_t min_vfreq;
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rt_uint8_t max_vfreq;
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rt_uint8_t min_hfreq_khz;
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rt_uint8_t max_hfreq_khz;
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/* Need to multiply by 10 */
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rt_uint8_t pixel_clock_mhz;
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rt_uint8_t flags;
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union
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{
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rt_packed(struct
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{
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rt_uint8_t reserved;
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/* Need to multiply by 2 */
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rt_uint8_t hfreq_start_khz;
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/* Need to divide by 2 */
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rt_uint8_t c;
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rt_le16_t m;
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rt_uint8_t k;
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/* Need to divide by 2 */
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rt_uint8_t j;
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}) gtf2;
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rt_packed(struct
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{
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rt_uint8_t version;
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/* High 6 bits: extra clock resolution */
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rt_uint8_t data1;
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/* Plus low 2 of above: max hactive */
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rt_uint8_t data2;
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rt_uint8_t supported_aspects;
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/* Preferred aspect and blanking support */
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rt_uint8_t flags;
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rt_uint8_t supported_scalings;
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rt_uint8_t preferred_refresh;
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}) cvt;
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} formula;
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});
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rt_packed(struct detailed_data_wpindex
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{
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/* Lower 2 bits each */
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rt_uint8_t white_yx_lo;
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rt_uint8_t white_x_hi;
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rt_uint8_t white_y_hi;
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/* Need to divide by 100 then add 1 */
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rt_uint8_t gamma;
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});
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rt_packed(struct cvt_timing
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{
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rt_uint8_t code[3];
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});
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rt_packed(struct detailed_non_pixel
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{
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rt_uint8_t pad1;
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#define EDID_DETAIL_EST_TIMINGS 0xf7
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#define EDID_DETAIL_CVT_3BYTE 0xf8
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#define EDID_DETAIL_COLOR_MGMT_DATA 0xf9
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#define EDID_DETAIL_STD_MODES 0xfa
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#define EDID_DETAIL_MONITOR_CPDATA 0xfb
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#define EDID_DETAIL_MONITOR_NAME 0xfc
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#define EDID_DETAIL_MONITOR_RANGE 0xfd
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#define EDID_DETAIL_MONITOR_STRING 0xfe
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#define EDID_DETAIL_MONITOR_SERIAL 0xff
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rt_uint8_t type;
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rt_uint8_t pad2;
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union
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{
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struct detailed_data_string str;
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struct detailed_data_monitor_range range;
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struct detailed_data_wpindex color;
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struct std_timing timings[6];
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struct cvt_timing cvt[4];
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} data;
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});
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rt_packed(struct detailed_timing
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{
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/* Need to multiply by 10 KHz */
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rt_le16_t pixel_clock;
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union
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{
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struct detailed_pixel_timing pixel_data;
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struct detailed_non_pixel other_data;
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} data;
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});
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rt_packed(struct edid
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{
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rt_uint8_t header[8];
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/* Vendor & product info */
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rt_uint8_t mfg_id[2];
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rt_uint8_t prod_code[2];
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rt_le32_t serial;
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rt_uint8_t mfg_week;
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rt_uint8_t mfg_year;
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/* EDID version */
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rt_uint8_t version;
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rt_uint8_t revision;
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/* Display info */
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rt_uint8_t input;
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rt_uint8_t width_cm;
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rt_uint8_t height_cm;
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rt_uint8_t gamma;
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rt_uint8_t features;
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/* Color characteristics */
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rt_uint8_t red_green_lo;
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rt_uint8_t black_white_lo;
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rt_uint8_t red_x;
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rt_uint8_t red_y;
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rt_uint8_t green_x;
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rt_uint8_t green_y;
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rt_uint8_t blue_x;
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rt_uint8_t blue_y;
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rt_uint8_t white_x;
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rt_uint8_t white_y;
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/* Est. timings and mfg rsvd timings */
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struct est_timings established_timings;
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/* Standard timings 1-8 */
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struct std_timing standard_timings[8];
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/* Detailing timings 1-4, 18 * 4 = 72 bytes */
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struct detailed_timing detailed_timings[4];
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/* Number of 128 byte ext. blocks */
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rt_uint8_t extensions;
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/* Checksum */
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rt_uint8_t checksum;
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});
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struct rt_graphic_device;
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struct rt_graphic_device_ops;
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struct rt_graphic_plane_ops;
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enum rt_graphic_plane_prop
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{
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RT_GRAPHIC_PLANE_PROP_Z = 0,
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RT_GRAPHIC_PLANE_PROP_ROTATE,
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RT_GRAPHIC_PLANE_PROP_ALPHA,
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RT_GRAPHIC_PLANE_PROP_MAX,
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};
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struct rt_graphic_plane
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{
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rt_list_t list;
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char name[RT_NAME_MAX];
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int id;
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#define RT_GRAPHIC_PLANE_TYPE_OVERLAY 0
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#define RT_GRAPHIC_PLANE_TYPE_PRIMARY 1 /* Only one, add before register */
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#define RT_GRAPHIC_PLANE_TYPE_CURSOR 2 /* Only one */
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rt_uint8_t type;
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rt_uint32_t x;
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rt_uint32_t y;
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rt_uint32_t z;
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rt_uint32_t width;
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rt_uint32_t height;
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#define RT_GRAPHIC_PLANE_ROTATE_0 0 /* +0 degrees */
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#define RT_GRAPHIC_PLANE_ROTATE_90 1 /* +90 degrees */
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#define RT_GRAPHIC_PLANE_ROTATE_180 2 /* +180 degrees */
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#define RT_GRAPHIC_PLANE_ROTATE_270 3 /* +270 degrees */
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rt_uint8_t rotate;
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rt_uint8_t alpha; /* 0 ~ 100 */
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rt_uint32_t line_length;
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rt_uint32_t bits_per_pixel;
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/* Support color modes: RTGRAPHIC_PIXEL_FORMAT_* */
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rt_uint32_t mode;
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rt_uint32_t modes_nr;
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const rt_uint32_t *modes;
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/* fb count = framebuffer_len / screen_len */
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void *framebuffer;
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rt_size_t screen_len;
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rt_size_t framebuffer_len;
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struct rt_graphic_device *graphic;
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const struct rt_graphic_plane_ops *ops;
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rt_uint8_t priv[0];
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};
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struct rt_graphic_plane_ops
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{
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rt_err_t (*update)(struct rt_graphic_plane *plane, struct rt_device_rect_info *rect);
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rt_err_t (*fb_remap)(struct rt_graphic_plane *plane, rt_uint32_t mode, struct rt_device_rect_info *rect);
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rt_err_t (*fb_pan_display)(struct rt_graphic_plane *plane, struct rt_device_rect_info *rect);
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rt_err_t (*fb_cleanup)(struct rt_graphic_plane *plane);
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rt_err_t (*prop_set)(struct rt_graphic_plane *plane, enum rt_graphic_plane_prop prop, void *value);
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};
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struct rt_graphic_device
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{
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struct rt_device parent;
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const struct rt_graphic_device_ops *ops;
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/* Display Power Manage System */
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#define RT_GRAPHIC_DPMS_ON 0
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#define RT_GRAPHIC_DPMS_STANDBY 1
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#define RT_GRAPHIC_DPMS_SUSPEND 2
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#define RT_GRAPHIC_DPMS_OFF 3
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rt_uint32_t dpms;
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rt_list_t overlay_nodes;
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struct rt_graphic_plane *primary_plane;
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struct rt_graphic_plane *cursor_plane;
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struct rt_dm_ida plane_ida;
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/* Display information */
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struct edid edid;
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#ifdef RT_GRAPHIC_BACKLIGHT
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struct rt_backlight_device *backlight;
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#endif
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#define RT_GRAPHIC_UPDATE_MS 16
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struct rt_timer *update_timer;
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rt_atomic_t event_notifying;
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struct rt_device_notify event_notify;
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struct rt_spinlock lock;
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};
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struct rt_graphic_device_ops
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{
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rt_err_t (*dpms_switch)(struct rt_graphic_device *gdev, rt_uint32_t dpms);
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rt_err_t (*set_brightness)(struct rt_graphic_device *gdev, rt_uint32_t brightness);
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rt_err_t (*get_brightness)(struct rt_graphic_device *gdev, rt_uint32_t *out_brightness);
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rt_err_t (*get_status)(struct rt_graphic_device *gdev, rt_uint32_t *out_status);
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rt_err_t (*wait_vsync)(struct rt_graphic_device *gdev);
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rt_err_t (*control)(struct rt_graphic_device *gdev, int cmd, void *args);
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/* Switching planes supported by device driver */
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struct rt_graphic_plane *(*current_plane)(struct rt_graphic_device *gdev);
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};
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rt_err_t rt_graphic_device_register(struct rt_graphic_device *gdev);
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rt_err_t rt_graphic_device_unregister(struct rt_graphic_device *gdev);
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struct rt_graphic_plane *rt_graphic_device_alloc_plane(struct rt_graphic_device *gdev,
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rt_size_t priv_size, const struct rt_graphic_plane_ops *ops,
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const rt_uint32_t *modes, rt_uint32_t modes_nr, rt_uint8_t type);
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void rt_graphic_device_free_plane(struct rt_graphic_plane *plane);
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rt_err_t rt_graphic_device_add_plane(struct rt_graphic_device *gdev,
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struct rt_graphic_plane *plane);
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rt_err_t rt_graphic_device_del_plane(struct rt_graphic_device *gdev,
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struct rt_graphic_plane *plane);
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void rt_graphic_device_hotplug_event(struct rt_graphic_device *gdev);
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rt_err_t rt_graphic_device_update_auto(struct rt_graphic_device *gdev, rt_uint32_t update_ms);
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void rt_graphic_device_enter(struct rt_graphic_device *gdev);
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void rt_graphic_device_leave(struct rt_graphic_device *gdev);
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rt_uint32_t rt_graphic_mode_bpp(rt_uint32_t mode);
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struct rt_device_graphic_ops *rt_graphic_device_switch_primary(struct rt_graphic_device *gdev);
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rt_err_t rt_graphic_device_simple_edid(struct rt_graphic_device *gdev,
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rt_uint32_t width, rt_uint32_t height, rt_uint32_t refresh_hz);
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rt_err_t rt_graphic_device_simple_register(struct rt_graphic_device *gdev,
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rt_uint32_t width, rt_uint32_t height, rt_uint32_t refresh_hz,
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const struct rt_graphic_plane_ops *plane_ops,
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const rt_uint32_t *modes, rt_uint32_t modes_nr);
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rt_err_t rt_graphic_device_simple_unregister(struct rt_graphic_device *gdev);
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#ifdef RT_GRAPHIC_LOGO
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rt_err_t rt_graphic_logo_change(void *data, int width, int height, int color_max);
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rt_err_t rt_graphic_logo_render(struct rt_graphic_device *gdev);
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#else
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rt_inline rt_err_t rt_graphic_logo_change(void *data, int width, int height, int color_max)
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{
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return RT_EOK;
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}
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rt_inline rt_err_t rt_graphic_logo_render(struct rt_graphic_device *gdev)
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{
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return RT_EOK;
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}
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#endif /* RT_GRAPHIC_LOGO */
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#endif /* __GRAPHIC_DM_H__ */
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@@ -11,6 +11,8 @@
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#ifndef RT_LCD_H__
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#define RT_LCD_H__
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#include <stdint.h>
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/* ioctls
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0x46 is 'F' */
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@@ -109,4 +111,35 @@ struct fb_fix_screeninfo
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uint16_t reserved[2]; /* Reserved for future compatibility */
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};
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struct fb_cmap
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{
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uint32_t start; /* First entry */
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uint32_t len; /* Number of entries */
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uint16_t *red; /* Red values */
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uint16_t *green;
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uint16_t *blue;
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uint16_t *transp; /* transparency, can be NULL */
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};
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struct fb_con2fbmap
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{
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uint32_t console;
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uint32_t framebuffer;
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};
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/* VESA Blanking Levels */
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#define VESA_NO_BLANKING 0
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#define VESA_VSYNC_SUSPEND 1
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#define VESA_HSYNC_SUSPEND 2
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#define VESA_POWERDOWN 3
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enum
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{
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FB_BLANK_UNBLANK = VESA_NO_BLANKING, /* screen: unblanked, hsync: on, vsync: on */
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FB_BLANK_NORMAL = VESA_NO_BLANKING + 1, /* screen: blanked, hsync: on, vsync: on */
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FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1, /* screen: blanked, hsync: on, vsync: off */
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FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1, /* screen: blanked, hsync: off, vsync: on */
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FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1, /* screen: blanked, hsync: off, vsync: off */
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};
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#endif
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