[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 <[email protected]>

1 files changed, 421 insertions, 0 deletions

diff --git a/examples/test/dm_hmi_test.c b/examples/test/dm_hmi_test.c
new file mode 100644
index 0000000000..b8fea78ad6
--- /dev/null
+++ b/examples/test/dm_hmi_test.c
@@ -0,0 +1,421 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-02-25     GuEe-GUI     the first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#include <cpuport.h>
+#include <drivers/misc.h>
+
+#if defined(RT_USING_GRAPHIC) && defined(RT_USING_INPUT)
+
+#define CURSOR_WIDTH    64
+#define CURSOR_HEIGHT   64
+
+struct hmi_info
+{
+    struct rt_device *gdev;
+    struct rt_device *idev;
+
+    struct rt_device_graphic_info info;
+    struct rt_device_notify event_notify;
+    struct rt_input_handler handler;
+
+    rt_bool_t event;
+    rt_bool_t vsync;
+    rt_bool_t keydown;
+
+    rt_uint32_t x, y;
+    rt_uint32_t dx, dy;
+    rt_uint32_t bytes_per_pixel;
+    rt_ubase_t line[2];
+    rt_ubase_t colors[4];
+
+    void *backend_framebuffer;
+};
+
+static rt_bool_t hmi_working;
+
+static struct rt_input_device *to_input_device(struct rt_device *idev)
+{
+    return rt_container_of(idev, struct rt_input_device, parent);
+}
+
+static rt_ubase_t to_color(rt_uint8_t color255, rt_ubase_t color_max)
+{
+    return (rt_ubase_t)color255 * color_max / 255;
+}
+
+static void hmi_reset(struct hmi_info *hmi)
+{
+    void *cursor;
+    rt_ubase_t none_alpha;
+    rt_ubase_t red_off, green_off, blue_off, alpha_off;
+    rt_ubase_t red_mask, green_mask, blue_mask, alpha_mask;
+    struct fb_var_screeninfo var;
+
+    if (hmi->backend_framebuffer)
+    {
+        rt_free(hmi->backend_framebuffer);
+    }
+
+    rt_device_control(hmi->gdev, FBIOGET_VSCREENINFO, &var);
+    rt_device_control(hmi->gdev, RTGRAPHIC_CTRL_GET_INFO, &hmi->info);
+
+    hmi->backend_framebuffer = rt_malloc(hmi->info.smem_len);
+
+    hmi->bytes_per_pixel = hmi->info.bits_per_pixel / 8;
+    red_off = var.red.offset;
+    red_mask = RT_GENMASK(var.red.length - 1, 0);
+    green_off = var.green.offset;
+    green_mask = RT_GENMASK(var.green.length - 1, 0);
+    blue_off = var.blue.offset;
+    blue_mask = RT_GENMASK(var.blue.length - 1, 0);
+
+    if (var.transp.length)
+    {
+        alpha_off = var.transp.offset;
+        alpha_mask = RT_GENMASK(var.transp.length - 1, 0);
+    }
+    else
+    {
+        alpha_off = 0;
+        alpha_mask = 0;
+    }
+
+    if ((cursor = rt_malloc(CURSOR_WIDTH * CURSOR_HEIGHT * hmi->bytes_per_pixel)))
+    {
+        rt_uint8_t *stream = cursor;
+        rt_ubase_t color = ((to_color(0x82, red_mask)) << red_off) |
+                            (to_color(0x50, green_mask) << green_off) |
+                            (to_color(0xdf, blue_mask) << blue_off) |
+                            (to_color(0xcc, alpha_mask) << alpha_off);
+
+        for (int y = 0; y < CURSOR_HEIGHT; ++y)
+        {
+            for (int x = 0; x < CURSOR_WIDTH; ++x)
+            {
+                rt_memcpy(stream, &color, hmi->bytes_per_pixel);
+                stream += hmi->bytes_per_pixel;
+            }
+        }
+
+        rt_device_control(hmi->gdev, RT_DEVICE_CTRL_CURSOR_SET_TYPE, cursor);
+        rt_free(cursor);
+    }
+
+    none_alpha = alpha_mask << alpha_off;
+
+    hmi->line[0] = ~0UL;
+    hmi->line[1] = none_alpha;
+
+    hmi->colors[0] = ((to_color(0xff, red_mask)) << red_off) |
+                      (to_color(0x4b, green_mask) << green_off) |
+                      (to_color(0x00, blue_mask) << blue_off) | none_alpha;
+    hmi->colors[1] = ((to_color(0x7f, red_mask)) << red_off) |
+                      (to_color(0xdb, green_mask) << green_off) |
+                      (to_color(0x3b, blue_mask) << blue_off) | none_alpha;
+    hmi->colors[2] = ((to_color(0x00, red_mask)) << red_off) |
+                      (to_color(0xa4, green_mask) << green_off) |
+                      (to_color(0xef, blue_mask) << blue_off) | none_alpha;
+    hmi->colors[3] = ((to_color(0xff, red_mask)) << red_off) |
+                      (to_color(0xb8, green_mask) << green_off) |
+                      (to_color(0x1c, blue_mask) << blue_off) | none_alpha;
+
+    hmi->event = RT_FALSE;
+}
+
+static void hmi_graphic_notify(rt_device_t dev)
+{
+    struct hmi_info *hmi = (void *)dev;
+
+    hmi->event = RT_TRUE;
+}
+
+static rt_bool_t hmi_input_callback(struct rt_input_handler *handler,
+        struct rt_input_event *ev)
+{
+    struct hmi_info *hmi = handler->priv;
+
+    if (ev->type == EV_ABS)
+    {
+        if (ev->code == 0)
+        {
+            hmi->dx = (ev->value * hmi->info.width) /
+                (handler->idev->absinfo->maximum - handler->idev->absinfo->minimum);
+        }
+        else if (ev->code == 1)
+        {
+            hmi->dy = (ev->value * hmi->info.height) /
+                (handler->idev->absinfo->maximum - handler->idev->absinfo->minimum);
+        }
+    }
+    else if (ev->type == EV_KEY)
+    {
+        if (ev->code == BTN_LEFT)
+        {
+            if (hmi->keydown && ev->value == 0)
+            {
+                /* Swap lines color */
+                hmi->line[0] ^= hmi->line[1];
+                hmi->line[1] ^= hmi->line[0];
+                hmi->line[0] ^= hmi->line[1];
+
+                hmi->keydown = RT_FALSE;
+                hmi->vsync = RT_FALSE;
+            }
+            else
+            {
+                hmi->keydown = RT_TRUE;
+            }
+        }
+    }
+    else if (ev->type == EV_SYN)
+    {
+        hmi->vsync = RT_FALSE;
+    }
+
+    return RT_TRUE;
+}
+
+static void hmi_loop(void *param)
+{
+    struct hmi_info *hmi = param;
+    struct rt_device_rect_info rect;
+    struct rt_device_graphic_ops *gops;
+
+    /* Graphic device event */
+    hmi->event_notify.notify = &hmi_graphic_notify;
+    hmi->event_notify.dev = (void *)hmi;
+    rt_device_control(hmi->gdev, RT_DEVICE_CTRL_NOTIFY_SET, &hmi->event_notify);
+
+    /* Input device event */
+    hmi->handler.idev = to_input_device(hmi->idev);
+    hmi->handler.identify = RT_NULL;
+    hmi->handler.callback = &hmi_input_callback;
+    hmi->handler.priv = hmi;
+    rt_input_add_handler(&hmi->handler);
+
+    hmi->backend_framebuffer = RT_NULL;
+    hmi_reset(hmi);
+
+    hmi->dx = hmi->info.width >> 1;
+    hmi->dy = hmi->info.height >> 1;
+
+    rect.x = 0;
+    rect.y = 0;
+
+    gops = rt_graphix_ops(hmi->gdev);
+    rt_device_control(hmi->gdev, RTGRAPHIC_CTRL_POWERON, RT_NULL);
+
+    while (hmi_working)
+    {
+        rt_ubase_t pos;
+
+        /* Wait graphic change */
+        if (hmi->event)
+        {
+            hmi_reset(hmi);
+        }
+
+        hmi->x = hmi->dx;
+        hmi->y = hmi->dy;
+
+        rect.width = hmi->info.width;
+        rect.height = hmi->info.height;
+        pos = RTGRAPHIC_PIXEL_POSITION(hmi->x, hmi->y);
+
+        for (int i = 0; i < RT_ARRAY_SIZE(hmi->colors); ++i)
+        {
+            rt_uint32_t x1, y1, x2, y2;
+            void *fb = hmi->backend_framebuffer ? : hmi->info.framebuffer;
+
+            switch (i)
+            {
+            case 0:
+                x1 = 0;
+                y1 = 0;
+                x2 = hmi->x;
+                y2 = hmi->y;
+                break;
+
+            case 1:
+                x1 = hmi->x;
+                y1 = 0;
+                x2 = hmi->info.width;
+                y2 = hmi->y;
+                break;
+
+            case 2:
+                x1 = 0;
+                y1 = hmi->y;
+                x2 = hmi->x;
+                y2 = hmi->info.height;
+                break;
+
+            case 3:
+                x1 = hmi->x;
+                y1 = hmi->y;
+                x2 = hmi->info.width;
+                y2 = hmi->info.height;
+                break;
+            }
+
+            fb += x1 * hmi->bytes_per_pixel + y1 * hmi->info.pitch;
+
+            for (int y = y1; y < y2; ++y)
+            {
+                void *fb_entry = fb;
+
+                for (int x = x1; x < x2; ++x)
+                {
+                    rt_memcpy(fb, &hmi->colors[i], hmi->bytes_per_pixel);
+                    fb += hmi->bytes_per_pixel;
+                }
+
+                fb = fb_entry + hmi->info.pitch;
+            }
+        }
+
+        if (hmi->backend_framebuffer)
+        {
+            rt_memcpy(hmi->info.framebuffer, hmi->backend_framebuffer, hmi->info.smem_len);
+        }
+
+        gops->draw_hline((void *)&hmi->line[0], 0, rect.width, hmi->y);
+        gops->draw_vline((void *)&hmi->line[1], hmi->x, 0, rect.height);
+
+        rt_device_control(hmi->gdev, RTGRAPHIC_CTRL_RECT_UPDATE, &rect);
+        rt_device_control(hmi->gdev, RT_DEVICE_CTRL_CURSOR_SET_POSITION, (void *)pos);
+
+        /* Next position */
+        hmi->vsync = RT_TRUE;
+        rt_hw_wmb();
+
+        while (hmi_working && hmi->vsync)
+        {
+            rt_thread_mdelay(1);
+        }
+    }
+
+    rt_device_control(hmi->gdev, RTGRAPHIC_CTRL_POWEROFF, RT_NULL);
+
+    rt_memset(&hmi->event_notify, 0, sizeof(hmi->event_notify));
+    rt_device_control(hmi->gdev, RT_DEVICE_CTRL_NOTIFY_SET, &hmi->event_notify);
+
+    rt_input_del_handler(&hmi->handler);
+
+    rt_device_close(hmi->gdev);
+    rt_device_close(hmi->idev);
+
+    if (hmi->backend_framebuffer)
+    {
+        rt_free(hmi->backend_framebuffer);
+    }
+    rt_free(hmi);
+
+    rt_thread_delete(rt_thread_self());
+}
+
+rt_err_t hmi_start(const char *gdev, const char *idev)
+{
+    rt_err_t err;
+    struct hmi_info *hmi;
+    struct rt_thread *loop;
+
+    if (hmi_working)
+    {
+        rt_kprintf("HMI is running\n");
+        return -RT_EBUSY;
+    }
+
+    hmi = rt_malloc(sizeof(*hmi));
+
+    if (!hmi)
+    {
+        return -RT_ENOMEM;
+    }
+
+    hmi->gdev = rt_device_find(gdev);
+    hmi->idev = rt_device_find(idev);
+
+    if (!hmi->gdev || !hmi->idev)
+    {
+        rt_free(hmi);
+        return -RT_EINVAL;
+    }
+
+    if (!rt_bitmap_test_bit(to_input_device(hmi->idev)->cap, EV_ABS))
+    {
+        rt_kprintf("%s is not a ABS input\n", idev);
+        rt_free(hmi);
+        return -RT_EINVAL;
+    }
+
+    if ((err = rt_device_open(hmi->gdev, 0)))
+    {
+        rt_free(hmi);
+        return err;
+    }
+
+    if ((err = rt_device_open(hmi->idev, 0)))
+    {
+        rt_device_close(hmi->gdev);
+        rt_free(hmi);
+        return err;
+    }
+
+    loop = rt_thread_create("HMI", hmi_loop, hmi,
+            DM_THREAD_STACK_SIZE,
+            RT_THREAD_PRIORITY_MAX / 3,
+            rt_tick_from_millisecond(RT_GRAPHIC_UPDATE_MS));
+
+    if (!loop)
+    {
+        rt_device_close(hmi->gdev);
+        rt_device_close(hmi->idev);
+        rt_free(hmi);
+        return -RT_ENOMEM;
+    }
+
+    hmi_working = RT_TRUE;
+    rt_thread_startup(loop);
+
+    return RT_EOK;
+}
+
+rt_err_t hmi_stop(void)
+{
+    hmi_working = RT_FALSE;
+    return RT_EOK;
+}
+
+#ifdef RT_USING_FINSH
+static int _hmi_start(int argc, char**argv)
+{
+    const char *gdev = "fb0", *idev = "input0";
+
+    if (argc == 3)
+    {
+        gdev = argv[1];
+        idev = argv[2];
+    }
+
+    return (int)hmi_start(gdev, idev);
+}
+MSH_CMD_EXPORT_ALIAS(_hmi_start, hmi_start, e.g: hmi_start("fb0", "input0"));
+
+static int _hmi_stop(void)
+{
+    return (int)hmi_stop();
+}
+MSH_CMD_EXPORT_ALIAS(_hmi_stop, hmi_stop, e.g: hmi_exit());
+#endif /* RT_USING_FINSH */
+#endif /* RT_USING_GRAPHIC && RT_USING_INPUT */