?? acornfb.h
字號:
#include <linux/config.h>#define acornfb_valid_pixrate(rate) (rate >= 39325 && rate <= 40119)static inline voidacornfb_vidc20_find_rates(struct vidc_timing *vidc, struct fb_var_screeninfo *var){ u_int bandwidth; vidc->control |= VIDC20_CTRL_PIX_CK; /* Calculate bandwidth */ bandwidth = var->pixclock * 8 / var->bits_per_pixel; /* Encode bandwidth as VIDC20 setting */ if (bandwidth > 16667*2) vidc->control |= VIDC20_CTRL_FIFO_16; else if (bandwidth > 13333*2) vidc->control |= VIDC20_CTRL_FIFO_20; else if (bandwidth > 11111*2) vidc->control |= VIDC20_CTRL_FIFO_24; else vidc->control |= VIDC20_CTRL_FIFO_28; vidc->pll_ctl = 0x2020;}#ifdef CONFIG_CHRONTEL_7003#define acornfb_default_control() VIDC20_CTRL_PIX_HCLK#else#define acornfb_default_control() VIDC20_CTRL_PIX_VCLK#endif#define acornfb_default_econtrol() VIDC20_ECTL_DAC | VIDC20_ECTL_REG(3) | VIDC20_ECTL_ECK?? 快捷鍵說明
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