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authorbigmagic <[email protected]>2020-10-27 12:46:50 +0800
committerbigmagic <[email protected]>2020-10-27 12:46:50 +0800
commitc97f33d11d87e1e93e79d20cbc3ecbe7baf8dafe (patch)
tree500eeba88df40296db94087a8b642e039a06421d
parent67b6177de7b03549c1a2edf24609cf180a7109b7 (diff)
add raspi4 hdmi driver
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/board.c6
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/drv_hdmi.c307
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/drv_hdmi.h27
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/mbox.c46
-rw-r--r--bsp/raspberry-pi/raspi4-32/driver/mbox.h53
5 files changed, 427 insertions, 12 deletions
diff --git a/bsp/raspberry-pi/raspi4-32/driver/board.c b/bsp/raspberry-pi/raspi4-32/driver/board.c
index 7a3524126d..242a14cc78 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/board.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/board.c
@@ -19,8 +19,10 @@
struct mem_desc platform_mem_desc[] = {
{0x0, 0x6400000, 0x0, NORMAL_MEM},
- {0xFE000000, 0xFE400000, 0xFE000000, DEVICE_MEM},//uart gpio
- {0xFF800000, 0xFFA00000, 0xFF800000, DEVICE_MEM} //gic
+ {0x8000000, 0x8100000, 0x8000000, DEVICE_MEM}, //mbox msg
+ {0x0EA00000, 0x0EE00000, 0x0EA00000, DEVICE_MEM}, //framebuffer
+ {0xFE000000, 0xFE400000, 0xFE000000, DEVICE_MEM}, //peripheral
+ {0xFF800000, 0xFFA00000, 0xFF800000, DEVICE_MEM} //gic
};
const rt_uint32_t platform_mem_desc_size = sizeof(platform_mem_desc)/sizeof(platform_mem_desc[0]);
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_hdmi.c b/bsp/raspberry-pi/raspi4-32/driver/drv_hdmi.c
new file mode 100644
index 0000000000..1296624291
--- /dev/null
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_hdmi.c
@@ -0,0 +1,307 @@
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2020-10-26 bigmagic first version
+ */
+
+#include <stdint.h>
+#include <rtthread.h>
+#include "mbox.h"
+#include "drv_hdmi.h"
+
+#define LCD_WIDTH (800)
+#define LCD_HEIGHT (480)
+#define LCD_DEPTH (32)
+#define LCD_BPP (32)
+
+#define TAG_ALLOCATE_BUFFER 0x00040001
+#define TAG_SET_PHYS_WIDTH_HEIGHT 0x00048003
+#define TAG_SET_VIRT_WIDTH_HEIGHT 0x00048004
+#define TAG_SET_DEPTH 0x00048005
+#define TAG_SET_PIXEL_ORDER 0x00048006
+#define TAG_GET_PITCH 0x00040008
+#define TAG_SET_VIRT_OFFSET 0x00048009
+#define TAG_END 0x00000000
+
+
+enum {
+ MBOX_TAG_FB_GET_GPIOVIRT = 0x00040010,
+ MBOX_TAG_FB_ALLOCATE_BUFFER = 0x00040001,
+ MBOX_TAG_FB_RELEASE_BUFFER = 0x00048001,
+ MBOX_TAG_FB_BLANK_SCREEN = 0x00040002,
+ MBOX_TAG_FB_GET_PHYS_WH = 0x00040003,
+ MBOX_TAG_FB_TEST_PHYS_WH = 0x00044003,
+ MBOX_TAG_FB_SET_PHYS_WH = 0x00048003,
+ MBOX_TAG_FB_GET_VIRT_WH = 0x00040004,
+ MBOX_TAG_FB_TEST_VIRT_WH = 0x00044004,
+ MBOX_TAG_FB_SET_VIRT_WH = 0x00048004,
+ MBOX_TAG_FB_GET_DEPTH = 0x00040005,
+ MBOX_TAG_FB_TEST_DEPTH = 0x00044005,
+ MBOX_TAG_FB_SET_DEPTH = 0x00048005,
+ MBOX_TAG_FB_GET_PIXEL_ORDER = 0x00040006,
+ MBOX_TAG_FB_TEST_PIXEL_ORDER = 0x00044006,
+ MBOX_TAG_FB_SET_PIXEL_ORDER = 0x00048006,
+ MBOX_TAG_FB_GET_ALPHA_MODE = 0x00040007,
+ MBOX_TAG_FB_TEST_ALPHA_MODE = 0x00044007,
+ MBOX_TAG_FB_SET_ALPHA_MODE = 0x00048007,
+ MBOX_TAG_FB_GET_PITCH = 0x00040008,
+ MBOX_TAG_FB_GET_VIRT_OFFSET = 0x00040009,
+ MBOX_TAG_FB_TEST_VIRT_OFFSET = 0x00044009,
+ MBOX_TAG_FB_SET_VIRT_OFFSET = 0x00048009,
+ MBOX_TAG_FB_GET_OVERSCAN = 0x0004000a,
+ MBOX_TAG_FB_TEST_OVERSCAN = 0x0004400a,
+ MBOX_TAG_FB_SET_OVERSCAN = 0x0004800a,
+ MBOX_TAG_FB_GET_PALETTE = 0x0004000b,
+ MBOX_TAG_FB_TEST_PALETTE = 0x0004400b,
+ MBOX_TAG_FB_SET_PALETTE = 0x0004800b,
+};
+
+#define LCD_DEVICE(dev) (struct rt_hdmi_fb_device*)(dev)
+
+static struct rt_hdmi_fb_device _hdmi;
+
+typedef rt_uint16_t color_t;
+
+rt_err_t hdmi_fb_open(rt_device_t dev, rt_uint16_t oflag)
+{
+ return RT_EOK;
+}
+
+rt_err_t hdmi_fb_close(rt_device_t dev)
+{
+ return RT_EOK;
+}
+
+rt_size_t hdmi_fb_read(rt_device_t dev, rt_off_t pos, void *buf, rt_size_t size)
+{
+ return 0;
+}
+
+rt_size_t hdmi_fb_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
+{
+ return size;
+}
+
+rt_err_t hdmi_fb_control(rt_device_t dev, int cmd, void *args)
+{
+ struct rt_hdmi_fb_device *lcd = LCD_DEVICE(dev);
+ switch (cmd)
+ {
+ case RTGRAPHIC_CTRL_RECT_UPDATE:
+ {
+ struct rt_device_rect_info *info = (struct rt_device_rect_info*)args;
+ info = info;
+ }
+ break;
+
+ case RTGRAPHIC_CTRL_GET_INFO:
+ {
+ struct rt_device_graphic_info* info = (struct rt_device_graphic_info*)args;
+
+ RT_ASSERT(info != RT_NULL);
+ info->pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB888;
+ info->bits_per_pixel= LCD_DEPTH;
+ info->width = lcd->width;
+ info->height = lcd->height;
+ info->framebuffer = lcd->fb;
+ }
+ break;
+ }
+ return RT_EOK;
+}
+
+#ifdef RT_USING_DEVICE_OPS
+const static struct rt_device_ops hdmi_fb_ops =
+{
+ RT_NULL,
+ hdmi_fb_open,
+ hdmi_fb_close,
+ hdmi_fb_read,
+ hdmi_fb_write,
+ hdmi_fb_control,
+};
+#endif
+
+rt_err_t rt_hdmi_fb_device_init(struct rt_hdmi_fb_device *hdmi_fb, const char *name)
+{
+ struct rt_device *device;
+ RT_ASSERT(hdmi_fb != RT_NULL);
+
+ device = &hdmi_fb->parent;
+
+ /* set device type */
+ device->type = RT_Device_Class_Graphic;
+ /* initialize device interface */
+#ifdef RT_USING_DEVICE_OPS
+ device->ops = &hdmi_fb_ops;
+#else
+ device->init = RT_NULL;
+ device->open = hdmi_fb_open;
+ device->close = hdmi_fb_close;
+ device->read = hdmi_fb_read;
+ device->write = hdmi_fb_write;
+ device->control = hdmi_fb_control;
+#endif
+
+ /* register to device manager */
+ rt_device_register(device, name, RT_DEVICE_FLAG_RDWR);
+
+ return RT_EOK;
+}
+
+rt_uint32_t bcm271x_mbox_fb_get_gpiovirt(void)
+{
+ mbox[0] = 8*4; // length of the message
+ mbox[1] = MBOX_REQUEST; // this is a request message
+
+ mbox[2] = MBOX_TAG_FB_GET_GPIOVIRT;
+ mbox[3] = 4; // buffer size
+ mbox[4] = 0; // len
+
+ mbox[5] = 0; // id
+ mbox[6] = 0;
+
+ mbox[7] = MBOX_TAG_LAST;
+ mbox_call(8, MMU_DISABLE);
+ return (mbox[5] & 0x3fffffff);
+}
+
+rt_uint32_t bcm271x_mbox_fb_get_pitch(void)
+{
+ mbox[0] = 8*4; // length of the message
+ mbox[1] = MBOX_REQUEST; // this is a request message
+
+ mbox[2] = MBOX_TAG_FB_GET_PITCH;
+ mbox[3] = 4; // buffer size
+ mbox[4] = 0; // len
+
+ mbox[5] = 0; // id
+ mbox[6] = 0;
+
+ mbox[7] = MBOX_TAG_LAST;
+ mbox_call(8, MMU_DISABLE);
+ return mbox[5];
+}
+
+void bcm271x_mbox_fb_set_porder(int rgb)
+{
+ mbox[0] = 8*4; // length of the message
+ mbox[1] = MBOX_REQUEST; // this is a request message
+
+ mbox[2] = MBOX_TAG_FB_SET_PIXEL_ORDER;
+ mbox[3] = 4; // buffer size
+ mbox[4] = 4; // len
+
+ mbox[5] = rgb; // id
+ mbox[6] = 0;
+
+ mbox[7] = MBOX_TAG_LAST;
+ mbox_call(8, MMU_DISABLE);
+}
+
+void bcm271x_mbox_fb_setoffset(int xoffset, int yoffset)
+{
+ mbox[0] = 8*4; // length of the message
+ mbox[1] = MBOX_REQUEST; // this is a request message
+
+ mbox[2] = MBOX_TAG_FB_SET_VIRT_OFFSET;
+ mbox[3] = 8; // buffer size
+ mbox[4] = 8; // len
+
+ mbox[5] = xoffset; // id
+ mbox[6] = yoffset;
+
+ mbox[7] = MBOX_TAG_LAST;
+ mbox_call(8, MMU_DISABLE);
+}
+
+
+void bcm271x_mbox_fb_setalpha(int alpha)
+{
+
+ mbox[0] = 8*4; // length of the message
+ mbox[1] = MBOX_REQUEST; // this is a request message
+
+ mbox[2] = MBOX_TAG_FB_SET_ALPHA_MODE;
+ mbox[3] = 4; // buffer size
+ mbox[4] = 4; // len
+
+ mbox[5] = alpha; // id
+ mbox[6] = 0;
+
+ mbox[7] = MBOX_TAG_LAST;
+ mbox_call(8, MMU_DISABLE);
+}
+
+void *bcm271x_mbox_fb_alloc(int width, int height, int bpp, int nrender)
+{
+ mbox[0] = 4 * 35;
+ mbox[1] = MBOX_REQUEST;
+
+ mbox[2] = TAG_ALLOCATE_BUFFER;//get framebuffer, gets alignment on request
+ mbox[3] = 8; //size
+ mbox[4] = 4; //len
+ mbox[5] = 4096; //The design of MBOX driver forces us to give the virtual address 0x3C100000
+ mbox[6] = 0; //FrameBufferInfo.size
+
+ mbox[7] = TAG_SET_PHYS_WIDTH_HEIGHT;
+ mbox[8] = 8;
+ mbox[9] = 8;
+ mbox[10] = width;
+ mbox[11] = height;
+
+ mbox[12] = TAG_SET_VIRT_WIDTH_HEIGHT;
+ mbox[13] = 8;
+ mbox[14] = 8;
+ mbox[15] = width;
+ mbox[16] = height * nrender;
+
+ mbox[17] = TAG_SET_DEPTH;
+ mbox[18] = 4;
+ mbox[19] = 4;
+ mbox[20] = bpp;
+
+ mbox[21] = TAG_SET_PIXEL_ORDER;
+ mbox[22] = 4;
+ mbox[23] = 0;
+ mbox[24] = 0; //RGB, not BGR preferably
+
+ mbox[25] = TAG_GET_PITCH;
+ mbox[26] = 4;
+ mbox[27] = 0;
+ mbox[28] = 0;
+
+ mbox[29] = TAG_SET_VIRT_OFFSET;
+ mbox[30] = 8;
+ mbox[31] = 8;
+ mbox[32] = 0;
+ mbox[33] = 0;
+
+ mbox[34] = TAG_END;
+
+ mbox_call(8, MMU_DISABLE);
+ return (void *)((rt_uint32_t)(mbox[5] & 0x3fffffff));
+}
+
+int hdmi_fb_init(void)
+{
+ _hdmi.fb = (rt_uint8_t *)bcm271x_mbox_fb_alloc(LCD_WIDTH, LCD_HEIGHT, LCD_BPP, 1);
+ bcm271x_mbox_fb_setoffset(0, 0);
+ bcm271x_mbox_fb_set_porder(0);
+ _hdmi.width = LCD_WIDTH;
+ _hdmi.height = LCD_HEIGHT;
+ _hdmi.depth = LCD_DEPTH;
+ _hdmi.pitch = 0;
+ _hdmi.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB888;
+
+ //rt_kprintf("_hdmi.fb is %p\n", _hdmi.fb);
+ rt_hdmi_fb_device_init(&_hdmi, "lcd");
+
+ return 0;
+}
+
+INIT_DEVICE_EXPORT(hdmi_fb_init);
diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_hdmi.h b/bsp/raspberry-pi/raspi4-32/driver/drv_hdmi.h
new file mode 100644
index 0000000000..c9a06358d0
--- /dev/null
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_hdmi.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2006-2020, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2020-10-26 bigmagic first version
+ */
+#ifndef __DRV_HDMI_H__
+#define __DRV_HDMI_H__
+
+#define RGB(r, g, b) ((((r))<<16) | (((g))<<8) | ((b)))
+
+struct rt_hdmi_fb_device
+{
+ struct rt_device parent;
+
+ rt_uint32_t width;
+ rt_uint32_t height;
+ rt_uint32_t depth;
+ rt_uint32_t pitch;
+ rt_uint32_t pixel_format;
+
+ rt_uint8_t *fb;
+};
+#endif/* __DRV_HDMI_H__ */
diff --git a/bsp/raspberry-pi/raspi4-32/driver/mbox.c b/bsp/raspberry-pi/raspi4-32/driver/mbox.c
index 186440ffce..b0c79e09bd 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/mbox.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/mbox.c
@@ -49,6 +49,52 @@ int mbox_call(unsigned char ch, int mmu_enable)
return 0;
}
+int bcm271x_notify_reboot(void)
+{
+ mbox[0] = 7*4; // length of the message
+ mbox[1] = MBOX_REQUEST; // this is a request message
+ mbox[2] = MBOX_TAG_NOTIFY_REBOOT; // (the tag id)
+ mbox[3] = 0x00000004; // length + 4
+ mbox[4] = 0x00000000; // size of the data
+ mbox[5] = 0x00000000; // request
+
+ mbox[6] = MBOX_TAG_LAST;
+ mbox_call(8, MMU_DISABLE);
+ return 0;
+}
+
+int bcm271x_notify_xhci_reset(void)
+{
+ mbox[0] = 7*4; // length of the message
+ mbox[1] = MBOX_REQUEST; // this is a request message
+ mbox[2] = MBOX_TAG_NOTIFY_XHCI_RESET; // (the tag id)
+ mbox[3] = 0x00000004; // length + 4
+ mbox[4] = 0x00000004; // size of the data
+ mbox[5] = 0x00100000; // request
+ mbox[6] = MBOX_TAG_LAST;
+ mbox_call(8, MMU_DISABLE);
+ return 0;
+}
+
+int bcm271x_gpu_enable(void)
+{
+ mbox[0] = 12*4; // length of the message
+ mbox[1] = MBOX_REQUEST; // this is a request message
+
+ mbox[2] = MBOX_TAG_CLOCK_SET_RATE;
+ mbox[3] = 0x00000008; // (the tag id)
+ mbox[4] = 0x00000008; // (the tag id)
+ mbox[5] = 5; // V3D
+ mbox[6] = 250 * 1000 * 1000;
+ mbox[7] = MBOX_TAG_ENABLE_QPU; // (the tag id)
+ mbox[8] = 0x00000004; // (size of the buffer)
+ mbox[9] = 0x00000004; // (size of the data)
+ mbox[10] = 0x00000001;
+ mbox[11] = MBOX_TAG_LAST; // end tag
+ mbox_call(8, MMU_DISABLE);
+ return mbox[1];
+}
+
int bcm271x_mbox_hardware_get_model(void)
{
mbox[0] = 8*4; // length of the message
diff --git a/bsp/raspberry-pi/raspi4-32/driver/mbox.h b/bsp/raspberry-pi/raspi4-32/driver/mbox.h
index bf9ac0e96d..ec31370f6b 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/mbox.h
+++ b/bsp/raspberry-pi/raspi4-32/driver/mbox.h
@@ -35,7 +35,7 @@ extern volatile unsigned int* mbox;
/* tags */
#define MBOX_TAG_SETPOWER 0x28001
#define MBOX_TAG_SETCLKRATE 0x38002
-#define MBOX_GET_MAC_ADDRESS 0x10003
+#define MBOX_GET_MAC_ADDRESS 0x10003
#define MBOX_TAG_LAST 0
#define MMIO_BASE 0xFE000000
@@ -50,14 +50,14 @@ extern volatile unsigned int* mbox;
#define MBOX_FULL 0x80000000
#define MBOX_EMPTY 0x40000000
-#define DEVICE_ID_SD_CARD 0
-#define DEVICE_ID_USB_HCD 3
-#define POWER_STATE_OFF (0 << 0)
-#define POWER_STATE_ON (1 << 0)
-#define POWER_STATE_WAIT (1 << 1)
-#define POWER_STATE_NO_DEVICE (1 << 1) // in response
-#define MMU_ENABLE 1
-#define MMU_DISABLE 0
+#define DEVICE_ID_SD_CARD (0)
+#define DEVICE_ID_USB_HCD (3)
+#define POWER_STATE_OFF (0 << 0)
+#define POWER_STATE_ON (1 << 0)
+#define POWER_STATE_WAIT (1 << 1)
+#define POWER_STATE_NO_DEVICE (1 << 1) // in response
+#define MMU_ENABLE (1)
+#define MMU_DISABLE (0)
/*
* raspi hardware info
@@ -102,9 +102,42 @@ enum {
MBOX_TAG_TEMP_GET_MAX = 0x0003000A,
};
-#define MBOX_ADDR 0xc00000
+/*
+ * raspi Memory
+ */
+enum {
+ MBOX_TAG_ALLOCATE_MEMORY = 0x0003000C, // Memory: Allocates Contiguous Memory On The GPU (Response: Handle)
+ MBOX_TAG_LOCK_MEMORY = 0x0003000D, // Memory: Unlock Buffer (Response: Status)
+ MBOX_TAG_UNLOCK_MEMORY = 0x0003000E, // Memory: Unlock Buffer (Response: Status)
+ MBOX_TAG_RELEASE_MEMORY = 0x0003000F, // Memory: Free The Memory Buffer (Response: Status)
+ MBOX_TAG_EXECUTE_CODE = 0x00030010, // Memory: Calls The Function At Given (Bus) Address And With Arguments Given
+};
+
+/*
+ * raspi GPU
+ */
+enum {
+ MBOX_TAG_EXECUTE_QPU = 0x00030011, // QPU: Calls The QPU Function At Given (Bus) Address And With Arguments Given (Response: Number Of QPUs, Control, No Flush, Timeout In ms)
+ MBOX_TAG_ENABLE_QPU = 0x00030012, // QPU: Enables The QPU (Response: Enable State)
+};
+
+/*
+ * raspi HDMI
+ */
+#define MBOX_TAG_GET_EDID_BLOCK 0x00030020 // HDMI: Read Specificed EDID Block From Attached HDMI/DVI Device (Response: Block Number, Status, EDID Block (128 Bytes))
+
+/*
+ * raspi NOTIFY
+ */
+#define MBOX_TAG_NOTIFY_REBOOT 0x00030048
+#define MBOX_TAG_NOTIFY_XHCI_RESET 0x00030058
+
+#define MBOX_ADDR 0x08000000
int mbox_call(unsigned char ch, int mmu_enable);
+int bcm271x_notify_reboot(void);
+int bcm271x_notify_xhci_reset(void);
+int bcm271x_gpu_enable(void);
int bcm271x_mbox_hardware_get_model(void);
int bcm271x_mbox_hardware_get_revison(void);
int bcm271x_mbox_hardware_get_mac_address(uint8_t * mac);