From 6251fc93b6e8be24391bd17db9f1540d740491f2 Mon Sep 17 00:00:00 2001 From: bigmagic Date: Sun, 26 Apr 2020 09:53:41 +0800 Subject: [PATCH] [bsp/raspi]fix hdmi driver --- bsp/raspberry-pi/raspi3-64/driver/drv_fb.c | 164 ++++++++++++++++++--- 1 file changed, 145 insertions(+), 19 deletions(-) diff --git a/bsp/raspberry-pi/raspi3-64/driver/drv_fb.c b/bsp/raspberry-pi/raspi3-64/driver/drv_fb.c index d4abc4fd60..cabaded5fd 100644 --- a/bsp/raspberry-pi/raspi3-64/driver/drv_fb.c +++ b/bsp/raspberry-pi/raspi3-64/driver/drv_fb.c @@ -15,9 +15,10 @@ #include "drv_fb.h" #include "mmu.h" -#define LCD_WIDTH (640) +#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 @@ -28,6 +29,39 @@ #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; @@ -75,7 +109,7 @@ rt_err_t hdmi_fb_control(rt_device_t dev, int cmd, void *args) info->bits_per_pixel= LCD_DEPTH; info->width = lcd->width; info->height = lcd->height; - info->framebuffer = lcd->fb;//(rt_uint8_t *)lcd->fb; + info->framebuffer = lcd->fb; } break; } @@ -119,38 +153,122 @@ rt_err_t rt_hdmi_fb_device_init(struct rt_hdmi_fb_device *hdmi_fb, const char *n return RT_EOK; } -int hdmi_fb_init(void) +rt_uint32_t bcm283x_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 bcm283x_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 bcm283x_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 bcm283x_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 bcm283x_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 *bcm283x_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; - mbox[4] = 0; - mbox[5] = 4096; //FrameBufferInfo.pointer - mbox[6] = 0; //FrameBufferInfo.size + 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] = 0; - mbox[10] = LCD_WIDTH; - mbox[11] = LCD_HEIGHT; + mbox[9] = 8; + mbox[10] = width; + mbox[11] = height; mbox[12] = TAG_SET_VIRT_WIDTH_HEIGHT; mbox[13] = 8; - mbox[14] = 0; - mbox[15] = LCD_WIDTH; - mbox[16] = LCD_HEIGHT; + mbox[14] = 8; + mbox[15] = width; + mbox[16] = height * nrender; mbox[17] = TAG_SET_DEPTH; mbox[18] = 4; - mbox[19] = 0; - mbox[20] = 16; //FrameBufferInfo.depth RGB 565 + mbox[19] = 4; + mbox[20] = bpp; mbox[21] = TAG_SET_PIXEL_ORDER; mbox[22] = 4; mbox[23] = 0; - mbox[24] = 1; //RGB, not BGR preferably + mbox[24] = 0; //RGB, not BGR preferably mbox[25] = TAG_GET_PITCH; mbox[26] = 4; @@ -167,17 +285,25 @@ int hdmi_fb_init(void) mbox_call(MBOX_CH_PROP, MMU_DISABLE); - _hdmi.fb = (rt_uint8_t *)(uintptr_t)(mbox[5] & 0x3FFFFFFF); + return (void *)((rt_uint64_t)(mbox[5] & 0x3fffffff)); +} +int hdmi_fb_init(void) +{ + _hdmi.fb = (rt_uint8_t *)bcm283x_mbox_fb_alloc(LCD_WIDTH, LCD_HEIGHT, LCD_BPP, 1); + bcm283x_mbox_fb_setoffset(0, 0); + bcm283x_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; - armv8_map((unsigned long)_hdmi.fb, (unsigned long)_hdmi.fb, 0x200000, MEM_ATTR_MEMORY); + armv8_map((unsigned long)_hdmi.fb, (unsigned long)_hdmi.fb, 0x200000, MEM_ATTR_IO); + + rt_hw_dcache_invalidate_range((unsigned long)_hdmi.fb,LCD_WIDTH * LCD_HEIGHT * 3); - rt_kprintf("_hdmi.fb is %p\n", _hdmi.fb); + //rt_kprintf("_hdmi.fb is %p\n", _hdmi.fb); rt_hdmi_fb_device_init(&_hdmi, "lcd"); return 0; -- GitLab