diff options
Diffstat (limited to 'bsp/ls1cdev/drivers/display_controller.c')
| -rw-r--r-- | bsp/ls1cdev/drivers/display_controller.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/bsp/ls1cdev/drivers/display_controller.c b/bsp/ls1cdev/drivers/display_controller.c index 2a0bfcc619..2b6f1c543d 100644 --- a/bsp/ls1cdev/drivers/display_controller.c +++ b/bsp/ls1cdev/drivers/display_controller.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2018, RT-Thread Development Team + * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -7,7 +7,7 @@ * Date Author Notes * 2011-08-09 lgnq first version for LS1B DC * 2015-07-06 chinesebear modified for loongson 1c - * 2018-01-06 sundm75 modified for smartloong + * 2018-01-06 sundm75 modified for smartloong */ #include <rtthread.h> @@ -78,13 +78,13 @@ int caclulate_freq(rt_uint32_t XIN, rt_uint32_t PCLK) pix_div = (pix_div>>24)&0xff; rt_kprintf("old pll_clk=%d, pix_div=%d\n", pll_clk, pix_div); - divider_int = pll_clk/(1000000) *PCLK/1000; + divider_int = pll_clk/(1000000) *PCLK/1000; if(divider_int%1000>=500) divider_int = divider_int/1000+1; else divider_int = divider_int/1000; rt_kprintf("divider_int = %d\n", divider_int); - + /* check whether divisor is too small. */ if (divider_int < 1) { rt_kprintf("Warning: clock source is too slow.Try smaller resolution\n"); @@ -102,9 +102,9 @@ int caclulate_freq(rt_uint32_t XIN, rt_uint32_t PCLK) regval &= ~0x80000030; //PIX_DIV_VALID PIX_SEL 置0 regval &= ~(0x3f<<24); //PIX_DIV 清零 regval |= divider_int << 24; - PLL_DIV_PARAM = regval; + PLL_DIV_PARAM = regval; regval |= 0x80000030; //PIX_DIV_VALID PIX_SEL 置1 - PLL_DIV_PARAM = regval; + PLL_DIV_PARAM = regval; } rt_kprintf("new PLL_FREQ=0x%x, PLL_DIV_PARAM=0x%x\n", PLL_FREQ, PLL_DIV_PARAM); rt_thread_delay(10); @@ -115,11 +115,11 @@ static rt_err_t rt_dc_init(rt_device_t dev) { int i, out, mode=-1; int val; - + rt_kprintf("PWM initied\n"); /* Set the back light PWM. */ pwminit(); - + for (i=0; i<sizeof(vga_mode)/sizeof(struct vga_struct); i++) { if (vga_mode[i].hr == FB_XSIZE && vga_mode[i].vr == FB_YSIZE) @@ -140,7 +140,7 @@ static rt_err_t rt_dc_init(rt_device_t dev) DC_FB_CONFIG = 0x0; DC_FB_CONFIG = 0x3; // // framebuffer configuration RGB565 DC_DITHER_CONFIG = 0x0; //颜色抖动配置寄存器 - DC_DITHER_TABLE_LOW = 0x0; //颜色抖动查找表低位寄存器 + DC_DITHER_TABLE_LOW = 0x0; //颜色抖动查找表低位寄存器 DC_DITHER_TABLE_HIGH = 0x0; //颜色抖动查找表高位寄存器 DC_PANEL_CONFIG = 0x80001311; //液晶面板配置寄存器 DC_PANEL_TIMING = 0x0; @@ -165,10 +165,10 @@ static rt_err_t rt_dc_init(rt_device_t dev) #elif defined(CONFIG_VIDEO_12BPP) DC_FB_CONFIG = 0x00100101; DC_FB_BUFFER_STRIDE = (FB_XSIZE*2+255)&(~255); -#else +#else DC_FB_CONFIG = 0x00100104; DC_FB_BUFFER_STRIDE = (FB_XSIZE*4+255)&(~255); -#endif +#endif return RT_EOK; } @@ -200,7 +200,7 @@ static rt_err_t rt_dc_control(rt_device_t dev, int cmd, void *args) break; case RTGRAPHIC_CTRL_POWEROFF: break; - case RTGRAPHIC_CTRL_GET_INFO: + case RTGRAPHIC_CTRL_GET_INFO: rt_memcpy(args, &_dc_info, sizeof(_dc_info)); break; case RTGRAPHIC_CTRL_SET_MODE: @@ -213,7 +213,7 @@ static rt_err_t rt_dc_control(rt_device_t dev, int cmd, void *args) void rt_hw_dc_init(void) { rt_device_t dc = rt_malloc(sizeof(struct rt_device)); - if (dc == RT_NULL) + if (dc == RT_NULL) { rt_kprintf("dc == RT_NULL\n"); return; /* no memory yet */ @@ -232,10 +232,10 @@ void rt_hw_dc_init(void) dc->close = RT_NULL; dc->control = rt_dc_control; dc->user_data = (void*)&_dc_info; - + /* register Display Controller device to RT-Thread */ rt_device_register(dc, "dc", RT_DEVICE_FLAG_RDWR); - + rt_device_init(dc); } @@ -250,7 +250,7 @@ int rtgui_lcd_init(void) pin_set_purpose(76, PIN_PURPOSE_OTHER); pin_set_remap(76, PIN_REMAP_DEFAULT); - + /* init Display Controller */ rt_hw_dc_init(); @@ -259,7 +259,7 @@ int rtgui_lcd_init(void) /* set Display Controller device as rtgui graphic driver */ rtgui_graphic_set_device(dc); - + return 0; } |