diff options
Diffstat (limited to 'drivers/staging/fbtft/fb_uc1701.c')
| -rw-r--r-- | drivers/staging/fbtft/fb_uc1701.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/staging/fbtft/fb_uc1701.c b/drivers/staging/fbtft/fb_uc1701.c index 212908e39277..b78045fe5393 100644 --- a/drivers/staging/fbtft/fb_uc1701.c +++ b/drivers/staging/fbtft/fb_uc1701.c @@ -78,11 +78,11 @@ static int init_display(struct fbtft_par *par) mdelay(10); /* set startpoint */ - /* LCD_START_LINE | (pos & 0x3F) */ write_reg(par, LCD_START_LINE); /* select orientation BOTTOMVIEW */ write_reg(par, LCD_BOTTOMVIEW | 1); + /* output mode select (turns display upside-down) */ write_reg(par, LCD_SCAN_DIR | 0x00); @@ -96,20 +96,14 @@ static int init_display(struct fbtft_par *par) write_reg(par, LCD_BIAS | 0); /* power control mode: all features on */ - /* LCD_POWER_CONTROL | (val&0x07) */ write_reg(par, LCD_POWER_CONTROL | 0x07); /* set voltage regulator R/R */ - /* LCD_VOLTAGE | (val&0x07) */ write_reg(par, LCD_VOLTAGE | 0x07); /* volume mode set */ - /* LCD_VOLUME_MODE,val&0x3f,LCD_NO_OP */ write_reg(par, LCD_VOLUME_MODE); - /* LCD_VOLUME_MODE,val&0x3f,LCD_NO_OP */ write_reg(par, 0x09); - /* ???? */ - /* LCD_VOLUME_MODE,val&0x3f,LCD_NO_OP */ write_reg(par, LCD_NO_OP); /* advanced program control */ @@ -125,17 +119,8 @@ static int init_display(struct fbtft_par *par) static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) { /* goto address */ - /* LCD_PAGE_ADDRESS | ((page) & 0x1F), - (((col)+SHIFT_ADDR_NORMAL) & 0x0F), - LCD_COL_ADDRESS | ((((col)+SHIFT_ADDR_NORMAL)>>4) & 0x0F) */ write_reg(par, LCD_PAGE_ADDRESS); - /* LCD_PAGE_ADDRESS | ((page) & 0x1F), - (((col)+SHIFT_ADDR_NORMAL) & 0x0F), - LCD_COL_ADDRESS | ((((col)+SHIFT_ADDR_NORMAL)>>4) & 0x0F) */ write_reg(par, 0x00); - /* LCD_PAGE_ADDRESS | ((page) & 0x1F), - (((col)+SHIFT_ADDR_NORMAL) & 0x0F), - LCD_COL_ADDRESS | ((((col)+SHIFT_ADDR_NORMAL)>>4) & 0x0F) */ write_reg(par, LCD_COL_ADDRESS); } @@ -156,17 +141,9 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) 1 : 0) << i; buf++; } - /* LCD_PAGE_ADDRESS | ((page) & 0x1F), - (((col)+SHIFT_ADDR_NORMAL) & 0x0F), - LCD_COL_ADDRESS | ((((col)+SHIFT_ADDR_NORMAL)>>4) & 0x0F) */ + write_reg(par, LCD_PAGE_ADDRESS | (u8)y); - /* LCD_PAGE_ADDRESS | ((page) & 0x1F), - (((col)+SHIFT_ADDR_NORMAL) & 0x0F), - LCD_COL_ADDRESS | ((((col)+SHIFT_ADDR_NORMAL)>>4) & 0x0F) */ write_reg(par, 0x00); - /* LCD_PAGE_ADDRESS | ((page) & 0x1F), - (((col)+SHIFT_ADDR_NORMAL) & 0x0F), - LCD_COL_ADDRESS | ((((col)+SHIFT_ADDR_NORMAL)>>4) & 0x0F) */ write_reg(par, LCD_COL_ADDRESS); gpio_set_value(par->gpio.dc, 1); ret = par->fbtftops.write(par, par->txbuf.buf, WIDTH); |