diff options
Diffstat (limited to 'drivers/video/samsung_duallcd/s3cfb2_fimd4x.c')
| -rw-r--r-- | drivers/video/samsung_duallcd/s3cfb2_fimd4x.c | 558 |
1 files changed, 0 insertions, 558 deletions
diff --git a/drivers/video/samsung_duallcd/s3cfb2_fimd4x.c b/drivers/video/samsung_duallcd/s3cfb2_fimd4x.c deleted file mode 100644 index 2adcee2..0000000 --- a/drivers/video/samsung_duallcd/s3cfb2_fimd4x.c +++ /dev/null @@ -1,558 +0,0 @@ -/* linux/drivers/video/samsung/s3cfb2_fimd4x.c - * - * Register interface file for Samsung Display Controller (FIMD) driver - * - * Jinsung Yang, Copyright (c) 2009 Samsung Electronics - * http://www.samsungsemi.com/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/fb.h> -#include <linux/io.h> -#include <mach/map.h> -#include <plat/clock.h> -#include <plat/fb.h> -#include <plat/regs-fb.h> - -#include "s3cfb2.h" - -void s3cfb_check_line_count(struct s3cfb_global *ctrl) -{ - int timeout = 30 * 5300; - int i = 0; - - do { - if (!(readl(ctrl->regs + S3C_VIDCON1) & 0x7ff0000)) - break; - i++; - } while (i < timeout); - - if (i == timeout) { - dev_err(ctrl->dev, "line count mismatch\n"); - s3cfb_display_on(ctrl); - } -} - -int s3cfb_set_output(struct s3cfb_global *ctrl) -{ - unsigned int cfg; - - cfg = readl(ctrl->regs + S3C_VIDCON0); - cfg &= ~S3C_VIDCON0_VIDOUT_MASK; - - if (ctrl->output == OUTPUT_RGB) - cfg |= S3C_VIDCON0_VIDOUT_RGB; - else if (ctrl->output == OUTPUT_ITU) - cfg |= S3C_VIDCON0_VIDOUT_ITU; - else if (ctrl->output == OUTPUT_I80LDI0) - cfg |= S3C_VIDCON0_VIDOUT_I80LDI0; - else if (ctrl->output == OUTPUT_I80LDI1) - cfg |= S3C_VIDCON0_VIDOUT_I80LDI1; - else { - dev_err(ctrl->dev, "invalid output type: %d\n", ctrl->output); - return -EINVAL; - } - - writel(cfg, ctrl->regs + S3C_VIDCON0); - - return 0; -} - -int s3cfb_set_display_mode(struct s3cfb_global *ctrl) -{ - unsigned int cfg; - - cfg = readl(ctrl->regs + S3C_VIDCON0); - cfg &= ~S3C_VIDCON0_PNRMODE_MASK; - cfg |= (ctrl->rgb_mode << S3C_VIDCON0_PNRMODE_SHIFT); - writel(cfg, ctrl->regs + S3C_VIDCON0); - - return 0; -} - -int s3cfb_display_on(struct s3cfb_global *ctrl) -{ - unsigned int cfg; - - cfg = readl(ctrl->regs + S3C_VIDCON0); - cfg |= (S3C_VIDCON0_ENVID_ENABLE | S3C_VIDCON0_ENVID_F_ENABLE); - writel(cfg, ctrl->regs + S3C_VIDCON0); - - dev_dbg(ctrl->dev, "global display is on\n"); - - return 0; -} - -int s3cfb_display_off(struct s3cfb_global *ctrl) -{ - unsigned int cfg; - - cfg = readl(ctrl->regs + S3C_VIDCON0); - cfg &= ~S3C_VIDCON0_ENVID_ENABLE; - writel(cfg, ctrl->regs + S3C_VIDCON0); - - cfg &= ~S3C_VIDCON0_ENVID_F_ENABLE; - writel(cfg, ctrl->regs + S3C_VIDCON0); - - dev_dbg(ctrl->dev, "global display is off\n"); - - return 0; -} - -int s3cfb_frame_off(struct s3cfb_global *ctrl) -{ - unsigned int cfg; - - cfg = readl(ctrl->regs + S3C_VIDCON0); - cfg &= ~S3C_VIDCON0_ENVID_F_ENABLE; - writel(cfg, ctrl->regs + S3C_VIDCON0); - - dev_dbg(ctrl->dev, "current frame display is off\n"); - - return 0; -} - -int s3cfb_set_clock(struct s3cfb_global *ctrl) -{ - struct s3c_platform_fb *pdata = to_fb_plat(ctrl->dev); - unsigned int cfg, maxclk, src_clk, vclk, div; - - maxclk = 66 * 1000000; - - /* fixed clock source: hclk */ - cfg = readl(ctrl->regs + S3C_VIDCON0); - cfg &= ~(S3C_VIDCON0_CLKSEL_MASK | S3C_VIDCON0_CLKVALUP_MASK | - S3C_VIDCON0_VCLKEN_MASK | S3C_VIDCON0_CLKDIR_MASK); - cfg |= (S3C_VIDCON0_CLKSEL_HCLK | S3C_VIDCON0_CLKVALUP_ALWAYS | - S3C_VIDCON0_VCLKEN_NORMAL | S3C_VIDCON0_CLKDIR_DIVIDED); - - src_clk = ctrl->clock->parent->rate; - vclk = ctrl->fb[pdata->default_win]->var.pixclock; - - if (vclk > maxclk) - vclk = maxclk; - - div = src_clk / vclk; - if (src_clk % vclk) - div++; - - cfg |= S3C_VIDCON0_CLKVAL_F(div - 1); - writel(cfg, ctrl->regs + S3C_VIDCON0); - - dev_dbg(ctrl->dev, "parent clock: %d, vclk: %d, vclk div: %d\n", - src_clk, vclk, div); - - return 0; -} - -int s3cfb_set_polarity(struct s3cfb_global *ctrl) -{ - struct s3cfb_lcd_polarity *pol; - unsigned int cfg; - - pol = &ctrl->lcd->polarity; - cfg = 0; - - if (pol->rise_vclk) - cfg |= S3C_VIDCON1_IVCLK_RISING_EDGE; - - if (pol->inv_hsync) - cfg |= S3C_VIDCON1_IHSYNC_INVERT; - - if (pol->inv_vsync) - cfg |= S3C_VIDCON1_IVSYNC_INVERT; - - if (pol->inv_vden) - cfg |= S3C_VIDCON1_IVDEN_INVERT; - - writel(cfg, ctrl->regs + S3C_VIDCON1); - - return 0; -} - -int s3cfb_set_timing(struct s3cfb_global *ctrl) -{ - struct s3cfb_lcd_timing *time; - unsigned int cfg; - - time = &ctrl->lcd->timing; - cfg = 0; - - cfg |= S3C_VIDTCON0_VBPDE(time->v_bpe - 1); - cfg |= S3C_VIDTCON0_VBPD(time->v_bp - 1); - cfg |= S3C_VIDTCON0_VFPD(time->v_fp - 1); - cfg |= S3C_VIDTCON0_VSPW(time->v_sw - 1); - - writel(cfg, ctrl->regs + S3C_VIDTCON0); - - cfg = 0; - - cfg |= S3C_VIDTCON1_VFPDE(time->v_fpe - 1); - cfg |= S3C_VIDTCON1_HBPD(time->h_bp - 1); - cfg |= S3C_VIDTCON1_HFPD(time->h_fp - 1); - cfg |= S3C_VIDTCON1_HSPW(time->h_sw - 1); - - writel(cfg, ctrl->regs + S3C_VIDTCON1); - - return 0; -} - -int s3cfb_set_lcd_size(struct s3cfb_global *ctrl) -{ - unsigned int cfg = 0; - - cfg |= S3C_VIDTCON2_HOZVAL(ctrl->lcd->width - 1); - cfg |= S3C_VIDTCON2_LINEVAL(ctrl->lcd->height - 1); - - writel(cfg, ctrl->regs + S3C_VIDTCON2); - - return 0; -} - -int s3cfb_set_global_interrupt(struct s3cfb_global *ctrl, int enable) -{ - unsigned int cfg = 0; - - cfg = readl(ctrl->regs + S3C_VIDINTCON0); - cfg &= ~(S3C_VIDINTCON0_INTFRMEN_ENABLE | - S3C_VIDINTCON0_INT_ENABLE); - - if (enable) { - dev_dbg(ctrl->dev, "video interrupt is on\n"); - cfg |= (S3C_VIDINTCON0_INTFRMEN_ENABLE | - S3C_VIDINTCON0_INT_ENABLE); - } else { - dev_dbg(ctrl->dev, "video interrupt is off\n"); - cfg |= (S3C_VIDINTCON0_INTFRMEN_DISABLE | - S3C_VIDINTCON0_INT_DISABLE); - } - - writel(cfg, ctrl->regs + S3C_VIDINTCON0); - - return 0; -} - -int s3cfb_set_vsync_interrupt(struct s3cfb_global *ctrl, int enable) -{ - unsigned int cfg = 0; - - cfg = readl(ctrl->regs + S3C_VIDINTCON0); - cfg &= ~S3C_VIDINTCON0_FRAMESEL0_MASK; - - if (enable) { - dev_dbg(ctrl->dev, "vsync interrupt is on\n"); - cfg |= S3C_VIDINTCON0_FRAMESEL0_VSYNC; - } else { - dev_dbg(ctrl->dev, "vsync interrupt is off\n"); - cfg &= ~S3C_VIDINTCON0_FRAMESEL0_VSYNC; - } - - writel(cfg, ctrl->regs + S3C_VIDINTCON0); - - return 0; -} - -#ifdef CONFIG_FB_S3C_V2_TRACE_UNDERRUN -int s3cfb_set_fifo_interrupt(struct s3cfb_global *ctrl, int enable) -{ - unsigned int cfg = 0; - - cfg = readl(ctrl->regs + S3C_VIDINTCON0); - - cfg &= ~(S3C_VIDINTCON0_FIFOSEL_MASK | S3C_VIDINTCON0_FIFOLEVEL_MASK); - cfg |= (S3C_VIDINTCON0_FIFOSEL_ALL | S3C_VIDINTCON0_FIFOLEVEL_EMPTY); - - if (enable) { - dev_dbg(ctrl->dev, "fifo interrupt is on\n"); - cfg |= (S3C_VIDINTCON0_INTFIFO_ENABLE | - S3C_VIDINTCON0_INT_ENABLE); - } else { - dev_dbg(ctrl->dev, "fifo interrupt is off\n"); - cfg &= ~(S3C_VIDINTCON0_INTFIFO_ENABLE | - S3C_VIDINTCON0_INT_ENABLE); - } - - writel(cfg, ctrl->regs + S3C_VIDINTCON0); - - return 0; -} -#endif - -int s3cfb_clear_interrupt(struct s3cfb_global *ctrl) -{ - unsigned int cfg = 0; - - cfg = readl(ctrl->regs + S3C_VIDINTCON1); - - if (cfg & S3C_VIDINTCON1_INTFIFOPEND) - info("fifo underrun occur\n"); - - cfg |= (S3C_VIDINTCON1_INTVPPEND | S3C_VIDINTCON1_INTI80PEND | - S3C_VIDINTCON1_INTFRMPEND | S3C_VIDINTCON1_INTFIFOPEND); - - writel(cfg, ctrl->regs + S3C_VIDINTCON1); - - return 0; -} - -int s3cfb_window_on(struct s3cfb_global *ctrl, int id) -{ - unsigned int cfg; - - cfg = readl(ctrl->regs + S3C_WINCON(id)); - cfg |= S3C_WINCON_ENWIN_ENABLE; - writel(cfg, ctrl->regs + S3C_WINCON(id)); - - dev_dbg(ctrl->dev, "[fb%d] turn on\n", id); - - return 0; -} - -int s3cfb_window_off(struct s3cfb_global *ctrl, int id) -{ - unsigned int cfg; - - cfg = readl(ctrl->regs + S3C_WINCON(id)); - cfg &= ~S3C_WINCON_ENWIN_ENABLE; - writel(cfg, ctrl->regs + S3C_WINCON(id)); - - dev_dbg(ctrl->dev, "[fb%d] turn off\n", id); - - return 0; -} - -int s3cfb_set_window_control(struct s3cfb_global *ctrl, int id) -{ - struct s3c_platform_fb *pdata = to_fb_plat(ctrl->dev); - struct fb_info *fb = ctrl->fb[id]; - struct fb_var_screeninfo *var = &fb->var; - struct s3cfb_window *win = fb->par; - unsigned int cfg; - - cfg = readl(ctrl->regs + S3C_WINCON(id)); - - cfg &= ~(S3C_WINCON_BITSWP_ENABLE | S3C_WINCON_BYTESWP_ENABLE | - S3C_WINCON_HAWSWP_ENABLE | S3C_WINCON_WSWP_ENABLE | - S3C_WINCON_BURSTLEN_MASK | S3C_WINCON_BPPMODE_MASK | - S3C_WINCON_INRGB_MASK | S3C_WINCON_DATAPATH_MASK); - - if (win->path == DATA_PATH_FIFO) { - dev_dbg(ctrl->dev, "[fb%d] data path: fifo\n", id); - - cfg |= S3C_WINCON_DATAPATH_LOCAL; - cfg |= S3C_WINCON_INRGB_RGB; - cfg |= S3C_WINCON_BPPMODE_24BPP_888; - - if (id == 1) { - cfg &= ~S3C_WINCON1_LOCALSEL_MASK; - - if (win->local_channel == 0) - cfg |= S3C_WINCON1_LOCALSEL_TV; - else - cfg |= S3C_WINCON1_LOCALSEL_FIMC1; - } - } else { - dev_dbg(ctrl->dev, "[fb%d] data path: dma\n", id); - - cfg |= S3C_WINCON_DATAPATH_DMA; - - if (fb->var.bits_per_pixel == 16 && pdata->swap & FB_SWAP_HWORD) - cfg |= S3C_WINCON_HAWSWP_ENABLE; - - if (fb->var.bits_per_pixel == 32 && pdata->swap & FB_SWAP_WORD) - cfg |= S3C_WINCON_WSWP_ENABLE; - - /* dma burst */ - if (win->dma_burst == 4) - cfg |= S3C_WINCON_BURSTLEN_4WORD; - else if (win->dma_burst == 8) - cfg |= S3C_WINCON_BURSTLEN_8WORD; - else - cfg |= S3C_WINCON_BURSTLEN_16WORD; - - /* bpp mode set */ - switch (fb->var.bits_per_pixel) { - case 16: - if (var->transp.length == 1) { - dev_dbg(ctrl->dev, - "[fb%d] bpp mode: A1-R5-G5-B5\n", id); - cfg |= S3C_WINCON_BPPMODE_16BPP_A555; - } else if (var->transp.length == 4) { - dev_dbg(ctrl->dev, - "[fb%d] bpp mode: A4-R4-G4-B4\n", id); - cfg |= S3C_WINCON_BPPMODE_16BPP_A444; - } else { - dev_dbg(ctrl->dev, - "[fb%d] bpp mode: R5-G6-B5\n", id); - cfg |= S3C_WINCON_BPPMODE_16BPP_565; - } - break; - - case 24: /* packed 24 bpp: nothing to do for 4.x fimd */ - break; - - case 32: - if (var->transp.length == 0) { - dev_dbg(ctrl->dev, - "[fb%d] bpp mode: R8-G8-B8\n", id); - cfg |= S3C_WINCON_BPPMODE_24BPP_888; - } else { - dev_dbg(ctrl->dev, - "[fb%d] bpp mode: A4-R8-G8-B8\n", id); - cfg |= S3C_WINCON_BPPMODE_28BPP_A888; - } - break; - } - } - - writel(cfg, ctrl->regs + S3C_WINCON(id)); - - return 0; -} - -int s3cfb_set_buffer_address(struct s3cfb_global *ctrl, int id) -{ - struct fb_fix_screeninfo *fix = &ctrl->fb[id]->fix; - struct fb_var_screeninfo *var = &ctrl->fb[id]->var; - dma_addr_t start_addr = 0, end_addr = 0; - - if (fix->smem_start) { - start_addr = fix->smem_start + (var->xres_virtual * - (var->bits_per_pixel / 8) * var->yoffset); - - end_addr = start_addr + (var->xres_virtual * - (var->bits_per_pixel / 8) * var->yres); - } - - writel(start_addr, ctrl->regs + S3C_VIDADDR_START0(id)); - writel(end_addr, ctrl->regs + S3C_VIDADDR_END0(id)); - - dev_dbg(ctrl->dev, "[fb%d] start_addr: 0x%08x, end_addr: 0x%08x\n", - id, start_addr, end_addr); - - return 0; -} - -int s3cfb_set_alpha_blending(struct s3cfb_global *ctrl, int id) -{ - struct s3cfb_window *win = ctrl->fb[id]->par; - struct s3cfb_alpha *alpha = &win->alpha; - unsigned int avalue = 0, cfg; - - if (id == 0) { - dev_err(ctrl->dev, "[fb%d] does not support alpha blending\n", id); - return -EINVAL; - } - - cfg = readl(ctrl->regs + S3C_WINCON(id)); - cfg &= ~(S3C_WINCON_BLD_MASK | S3C_WINCON_ALPHA_SEL_MASK); - - if (alpha->mode == PIXEL_BLENDING) { - dev_dbg(ctrl->dev, "[fb%d] alpha mode: pixel blending\n", id); - - /* fixing to DATA[31:24] for alpha value */ - cfg |= (S3C_WINCON_BLD_PIXEL | S3C_WINCON_ALPHA1_SEL); - } else { - dev_dbg(ctrl->dev, "[fb%d] alpha mode: plane %d blending\n", - id, alpha->channel); - - cfg |= S3C_WINCON_BLD_PLANE; - - if (alpha->channel == 0) { - cfg |= S3C_WINCON_ALPHA0_SEL; - avalue = (alpha->value << S3C_VIDOSD_ALPHA0_SHIFT); - } else { - cfg |= S3C_WINCON_ALPHA1_SEL; - avalue = (alpha->value << S3C_VIDOSD_ALPHA1_SHIFT); - } - } - - writel(cfg, ctrl->regs + S3C_WINCON(id)); - writel(avalue, ctrl->regs + S3C_VIDOSD_C(id)); - - return 0; -} - -int s3cfb_set_window_position(struct s3cfb_global *ctrl, int id) -{ - struct fb_var_screeninfo *var = &ctrl->fb[id]->var; - struct s3cfb_window *win = ctrl->fb[id]->par; - unsigned int cfg; - - cfg = S3C_VIDOSD_LEFT_X(win->x) | S3C_VIDOSD_TOP_Y(win->y); - writel(cfg, ctrl->regs + S3C_VIDOSD_A(id)); - - cfg = S3C_VIDOSD_RIGHT_X(win->x + var->xres - 1) | - S3C_VIDOSD_BOTTOM_Y(win->y + var->yres - 1); - - writel(cfg, ctrl->regs + S3C_VIDOSD_B(id)); - - dev_dbg(ctrl->dev, "[fb%d] offset: (%d, %d, %d, %d)\n", id, - win->x, win->y, win->x + var->xres - 1, win->y + var->yres - 1); - - return 0; -} - -int s3cfb_set_window_size(struct s3cfb_global *ctrl, int id) -{ - struct fb_var_screeninfo *var = &ctrl->fb[id]->var; - unsigned int cfg; - - if (id > 2) - return 0; - - cfg = S3C_VIDOSD_SIZE(var->xres * var->yres); - - if (id == 0) - writel(cfg, ctrl->regs + S3C_VIDOSD_C(id)); - else - writel(cfg, ctrl->regs + S3C_VIDOSD_D(id)); - - dev_dbg(ctrl->dev, "[fb%d] resolution: %d x %d\n", id, - var->xres, var->yres); - - return 0; -} - -int s3cfb_set_buffer_size(struct s3cfb_global *ctrl, int id) -{ - struct fb_fix_screeninfo *fix = &ctrl->fb[id]->fix; - unsigned int cfg = 0; - - cfg = S3C_VIDADDR_PAGEWIDTH(fix->line_length); - writel(cfg, ctrl->regs + S3C_VIDADDR_SIZE(id)); - - return 0; -} - -int s3cfb_set_chroma_key(struct s3cfb_global *ctrl, int id) -{ - struct s3cfb_window *win = ctrl->fb[id]->par; - struct s3cfb_chroma *chroma = &win->chroma; - unsigned int cfg = 0; - - if (id == 0) { - dev_err(ctrl->dev, "[fb%d] does not support chroma key\n", id); - return -EINVAL; - } - - cfg = (S3C_KEYCON0_KEYBLEN_DISABLE | S3C_KEYCON0_DIRCON_MATCH_FG); - - if (chroma->enabled) - cfg |= S3C_KEYCON0_KEY_ENABLE; - - writel(cfg, ctrl->regs + S3C_KEYCON(id)); - - cfg = S3C_KEYCON1_COLVAL(chroma->key); - writel(cfg, ctrl->regs + S3C_KEYVAL(id)); - - dev_dbg(ctrl->dev, "[fb%d] chroma key: 0x%08x, %s\n", id, cfg, - chroma->enabled ? "enabled" : "disabled"); - - return 0; -} |