diff options
Diffstat (limited to 'drivers/video/exynos_fimd.c')
| -rw-r--r-- | drivers/video/exynos_fimd.c | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c deleted file mode 100644 index ac001a8..0000000 --- a/drivers/video/exynos_fimd.c +++ /dev/null @@ -1,409 +0,0 @@ -/* - * Copyright (C) 2012 Samsung Electronics - * - * Author: InKi Dae <inki.dae@samsung.com> - * Author: Donghwa Lee <dh09.lee@samsung.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <common.h> -#include <asm/io.h> -#include <lcd.h> -#include <div64.h> -#include <fdtdec.h> -#include <libfdt.h> -#include <asm/arch/clk.h> -#include <asm/arch/clock.h> -#include <asm/arch/cpu.h> -#include "exynos_fb.h" - -DECLARE_GLOBAL_DATA_PTR; - -static unsigned long *lcd_base_addr; -static vidinfo_t *pvid; -static struct exynos_fb *fimd_ctrl; - -void exynos_fimd_lcd_init_mem(u_long screen_base, u_long fb_size, - u_long palette_size) -{ - lcd_base_addr = (unsigned long *)screen_base; -} - -static void exynos_fimd_set_dualrgb(unsigned int enabled) -{ - unsigned int cfg = 0; - - if (enabled) { - cfg = EXYNOS_DUALRGB_BYPASS_DUAL | EXYNOS_DUALRGB_LINESPLIT | - EXYNOS_DUALRGB_VDEN_EN_ENABLE; - - /* in case of Line Split mode, MAIN_CNT doesn't neet to set. */ - cfg |= EXYNOS_DUALRGB_SUB_CNT(pvid->vl_col / 2) | - EXYNOS_DUALRGB_MAIN_CNT(0); - } - - writel(cfg, &fimd_ctrl->dualrgb); -} - -static void exynos_fimd_set_dp_clkcon(unsigned int enabled) -{ - unsigned int cfg = 0; - - if (enabled) - cfg = EXYNOS_DP_CLK_ENABLE; - - writel(cfg, &fimd_ctrl->dp_mie_clkcon); -} - -static void exynos_fimd_set_par(unsigned int win_id) -{ - unsigned int cfg = 0; - - /* set window control */ - cfg = readl((unsigned int)&fimd_ctrl->wincon0 + - EXYNOS_WINCON(win_id)); - - cfg &= ~(EXYNOS_WINCON_BITSWP_ENABLE | EXYNOS_WINCON_BYTESWP_ENABLE | - EXYNOS_WINCON_HAWSWP_ENABLE | EXYNOS_WINCON_WSWP_ENABLE | - EXYNOS_WINCON_BURSTLEN_MASK | EXYNOS_WINCON_BPPMODE_MASK | - EXYNOS_WINCON_INRGB_MASK | EXYNOS_WINCON_DATAPATH_MASK); - - /* DATAPATH is DMA */ - cfg |= EXYNOS_WINCON_DATAPATH_DMA; - - cfg |= EXYNOS_WINCON_HAWSWP_ENABLE; - - /* dma burst is 16 */ - cfg |= EXYNOS_WINCON_BURSTLEN_16WORD; - - switch (pvid->vl_bpix) { - case 4: - cfg |= EXYNOS_WINCON_BPPMODE_16BPP_565; - break; - default: - cfg |= EXYNOS_WINCON_BPPMODE_24BPP_888; - break; - } - - writel(cfg, (unsigned int)&fimd_ctrl->wincon0 + - EXYNOS_WINCON(win_id)); - - /* set window position to x=0, y=0*/ - cfg = EXYNOS_VIDOSD_LEFT_X(0) | EXYNOS_VIDOSD_TOP_Y(0); - writel(cfg, (unsigned int)&fimd_ctrl->vidosd0a + - EXYNOS_VIDOSD(win_id)); - - cfg = EXYNOS_VIDOSD_RIGHT_X(pvid->vl_col - 1) | - EXYNOS_VIDOSD_BOTTOM_Y(pvid->vl_row - 1) | - EXYNOS_VIDOSD_RIGHT_X_E(1) | - EXYNOS_VIDOSD_BOTTOM_Y_E(0); - - writel(cfg, (unsigned int)&fimd_ctrl->vidosd0b + - EXYNOS_VIDOSD(win_id)); - - /* set window size for window0*/ - cfg = EXYNOS_VIDOSD_SIZE(pvid->vl_col * pvid->vl_row); - writel(cfg, (unsigned int)&fimd_ctrl->vidosd0c + - EXYNOS_VIDOSD(win_id)); -} - -static void exynos_fimd_set_buffer_address(unsigned int win_id) -{ - unsigned long start_addr, end_addr; - - start_addr = (unsigned long)lcd_base_addr; - end_addr = start_addr + ((pvid->vl_col * (NBITS(pvid->vl_bpix) / 8)) * - pvid->vl_row); - - writel(start_addr, (unsigned int)&fimd_ctrl->vidw00add0b0 + - EXYNOS_BUFFER_OFFSET(win_id)); - writel(end_addr, (unsigned int)&fimd_ctrl->vidw00add1b0 + - EXYNOS_BUFFER_OFFSET(win_id)); -} - -static void exynos_fimd_set_clock(vidinfo_t *pvid) -{ - unsigned int cfg = 0, div = 0, remainder, remainder_div; - unsigned long pixel_clock; - unsigned long long src_clock; - - if (pvid->dual_lcd_enabled) { - pixel_clock = pvid->vl_freq * - (pvid->vl_hspw + pvid->vl_hfpd + - pvid->vl_hbpd + pvid->vl_col / 2) * - (pvid->vl_vspw + pvid->vl_vfpd + - pvid->vl_vbpd + pvid->vl_row); - } else if (pvid->interface_mode == FIMD_CPU_INTERFACE) { - pixel_clock = pvid->vl_freq * - pvid->vl_width * pvid->vl_height * - (pvid->cs_setup + pvid->wr_setup + - pvid->wr_act + pvid->wr_hold + 1); - } else { - pixel_clock = pvid->vl_freq * - (pvid->vl_hspw + pvid->vl_hfpd + - pvid->vl_hbpd + pvid->vl_col) * - (pvid->vl_vspw + pvid->vl_vfpd + - pvid->vl_vbpd + pvid->vl_row); - } - - cfg = readl(&fimd_ctrl->vidcon0); - cfg &= ~(EXYNOS_VIDCON0_CLKSEL_MASK | EXYNOS_VIDCON0_CLKVALUP_MASK | - EXYNOS_VIDCON0_CLKVAL_F(0xFF) | EXYNOS_VIDCON0_VCLKEN_MASK | - EXYNOS_VIDCON0_CLKDIR_MASK); - cfg |= (EXYNOS_VIDCON0_CLKSEL_SCLK | EXYNOS_VIDCON0_CLKVALUP_ALWAYS | - EXYNOS_VIDCON0_VCLKEN_NORMAL | EXYNOS_VIDCON0_CLKDIR_DIVIDED); - - src_clock = (unsigned long long) get_lcd_clk(); - - /* get quotient and remainder. */ - remainder = do_div(src_clock, pixel_clock); - div = src_clock; - - remainder *= 10; - remainder_div = remainder / pixel_clock; - - /* round about one places of decimals. */ - if (remainder_div >= 5) - div++; - - /* in case of dual lcd mode. */ - if (pvid->dual_lcd_enabled) - div--; - - cfg |= EXYNOS_VIDCON0_CLKVAL_F(div - 1); - writel(cfg, &fimd_ctrl->vidcon0); -} - -void exynos_set_trigger(void) -{ - unsigned int cfg = 0; - - cfg = readl(&fimd_ctrl->trigcon); - - cfg |= (EXYNOS_I80SOFT_TRIG_EN | EXYNOS_I80START_TRIG); - - writel(cfg, &fimd_ctrl->trigcon); -} - -int exynos_is_i80_frame_done(void) -{ - unsigned int cfg = 0; - int status; - - cfg = readl(&fimd_ctrl->trigcon); - - /* frame done func is valid only when TRIMODE[0] is set to 1. */ - status = (cfg & EXYNOS_I80STATUS_TRIG_DONE) == - EXYNOS_I80STATUS_TRIG_DONE; - - return status; -} - -static void exynos_fimd_lcd_on(void) -{ - unsigned int cfg = 0; - - /* display on */ - cfg = readl(&fimd_ctrl->vidcon0); - cfg |= (EXYNOS_VIDCON0_ENVID_ENABLE | EXYNOS_VIDCON0_ENVID_F_ENABLE); - writel(cfg, &fimd_ctrl->vidcon0); -} - -static void exynos_fimd_window_on(unsigned int win_id) -{ - unsigned int cfg = 0; - - /* enable window */ - cfg = readl((unsigned int)&fimd_ctrl->wincon0 + - EXYNOS_WINCON(win_id)); - cfg |= EXYNOS_WINCON_ENWIN_ENABLE; - writel(cfg, (unsigned int)&fimd_ctrl->wincon0 + - EXYNOS_WINCON(win_id)); - - cfg = readl(&fimd_ctrl->winshmap); - cfg |= EXYNOS_WINSHMAP_CH_ENABLE(win_id); - writel(cfg, &fimd_ctrl->winshmap); -} - -void exynos_fimd_lcd_off(void) -{ - unsigned int cfg = 0; - - cfg = readl(&fimd_ctrl->vidcon0); - cfg &= (EXYNOS_VIDCON0_ENVID_DISABLE | EXYNOS_VIDCON0_ENVID_F_DISABLE); - writel(cfg, &fimd_ctrl->vidcon0); -} - -void exynos_fimd_window_off(unsigned int win_id) -{ - unsigned int cfg = 0; - - cfg = readl((unsigned int)&fimd_ctrl->wincon0 + - EXYNOS_WINCON(win_id)); - cfg &= EXYNOS_WINCON_ENWIN_DISABLE; - writel(cfg, (unsigned int)&fimd_ctrl->wincon0 + - EXYNOS_WINCON(win_id)); - - cfg = readl(&fimd_ctrl->winshmap); - cfg &= ~EXYNOS_WINSHMAP_CH_DISABLE(win_id); - writel(cfg, &fimd_ctrl->winshmap); -} - -#if CONFIG_IS_ENABLED(OF_CONTROL) -/* -* The reset value for FIMD SYSMMU register MMU_CTRL is 3 -* on Exynos5420 and newer versions. -* This means FIMD SYSMMU is on by default on Exynos5420 -* and newer versions. -* Since in u-boot we don't use SYSMMU, we should disable -* those FIMD SYSMMU. -* Note that there are 2 SYSMMU for FIMD: m0 and m1. -* m0 handles windows 0 and 4, and m1 handles windows 1, 2 and 3. -* We disable both of them here. -*/ -void exynos_fimd_disable_sysmmu(void) -{ - u32 *sysmmufimd; - unsigned int node; - int node_list[2]; - int count; - int i; - - count = fdtdec_find_aliases_for_id(gd->fdt_blob, "fimd", - COMPAT_SAMSUNG_EXYNOS_SYSMMU, node_list, 2); - for (i = 0; i < count; i++) { - node = node_list[i]; - if (node <= 0) { - debug("Can't get device node for fimd sysmmu\n"); - return; - } - - sysmmufimd = (u32 *)fdtdec_get_addr(gd->fdt_blob, node, "reg"); - if (!sysmmufimd) { - debug("Can't get base address for sysmmu fimdm0"); - return; - } - - writel(0x0, sysmmufimd); - } -} -#endif - -void exynos_fimd_lcd_init(vidinfo_t *vid) -{ - unsigned int cfg = 0, rgb_mode; - unsigned int offset; -#if CONFIG_IS_ENABLED(OF_CONTROL) - unsigned int node; - - node = fdtdec_next_compatible(gd->fdt_blob, - 0, COMPAT_SAMSUNG_EXYNOS_FIMD); - if (node <= 0) - debug("exynos_fb: Can't get device node for fimd\n"); - - fimd_ctrl = (struct exynos_fb *)fdtdec_get_addr(gd->fdt_blob, - node, "reg"); - if (fimd_ctrl == NULL) - debug("Can't get the FIMD base address\n"); - - if (fdtdec_get_bool(gd->fdt_blob, node, "samsung,disable-sysmmu")) - exynos_fimd_disable_sysmmu(); - -#else - fimd_ctrl = (struct exynos_fb *)samsung_get_base_fimd(); -#endif - - offset = exynos_fimd_get_base_offset(); - - /* store panel info to global variable */ - pvid = vid; - - rgb_mode = vid->rgb_mode; - - if (vid->interface_mode == FIMD_RGB_INTERFACE) { - cfg |= EXYNOS_VIDCON0_VIDOUT_RGB; - writel(cfg, &fimd_ctrl->vidcon0); - - cfg = readl(&fimd_ctrl->vidcon2); - cfg &= ~(EXYNOS_VIDCON2_WB_MASK | - EXYNOS_VIDCON2_TVFORMATSEL_MASK | - EXYNOS_VIDCON2_TVFORMATSEL_YUV_MASK); - cfg |= EXYNOS_VIDCON2_WB_DISABLE; - writel(cfg, &fimd_ctrl->vidcon2); - - /* set polarity */ - cfg = 0; - if (!pvid->vl_clkp) - cfg |= EXYNOS_VIDCON1_IVCLK_RISING_EDGE; - if (!pvid->vl_hsp) - cfg |= EXYNOS_VIDCON1_IHSYNC_INVERT; - if (!pvid->vl_vsp) - cfg |= EXYNOS_VIDCON1_IVSYNC_INVERT; - if (!pvid->vl_dp) - cfg |= EXYNOS_VIDCON1_IVDEN_INVERT; - - writel(cfg, (unsigned int)&fimd_ctrl->vidcon1 + offset); - - /* set timing */ - cfg = EXYNOS_VIDTCON0_VFPD(pvid->vl_vfpd - 1); - cfg |= EXYNOS_VIDTCON0_VBPD(pvid->vl_vbpd - 1); - cfg |= EXYNOS_VIDTCON0_VSPW(pvid->vl_vspw - 1); - writel(cfg, (unsigned int)&fimd_ctrl->vidtcon0 + offset); - - cfg = EXYNOS_VIDTCON1_HFPD(pvid->vl_hfpd - 1); - cfg |= EXYNOS_VIDTCON1_HBPD(pvid->vl_hbpd - 1); - cfg |= EXYNOS_VIDTCON1_HSPW(pvid->vl_hspw - 1); - - writel(cfg, (unsigned int)&fimd_ctrl->vidtcon1 + offset); - - /* set lcd size */ - cfg = EXYNOS_VIDTCON2_HOZVAL(pvid->vl_col - 1) | - EXYNOS_VIDTCON2_LINEVAL(pvid->vl_row - 1) | - EXYNOS_VIDTCON2_HOZVAL_E(pvid->vl_col - 1) | - EXYNOS_VIDTCON2_LINEVAL_E(pvid->vl_row - 1); - - writel(cfg, (unsigned int)&fimd_ctrl->vidtcon2 + offset); - } - - /* set display mode */ - cfg = readl(&fimd_ctrl->vidcon0); - cfg &= ~EXYNOS_VIDCON0_PNRMODE_MASK; - cfg |= (rgb_mode << EXYNOS_VIDCON0_PNRMODE_SHIFT); - writel(cfg, &fimd_ctrl->vidcon0); - - /* set par */ - exynos_fimd_set_par(pvid->win_id); - - /* set memory address */ - exynos_fimd_set_buffer_address(pvid->win_id); - - /* set buffer size */ - cfg = EXYNOS_VIDADDR_PAGEWIDTH(pvid->vl_col * NBITS(pvid->vl_bpix) / 8) | - EXYNOS_VIDADDR_PAGEWIDTH_E(pvid->vl_col * NBITS(pvid->vl_bpix) / 8) | - EXYNOS_VIDADDR_OFFSIZE(0) | - EXYNOS_VIDADDR_OFFSIZE_E(0); - - writel(cfg, (unsigned int)&fimd_ctrl->vidw00add2 + - EXYNOS_BUFFER_SIZE(pvid->win_id)); - - /* set clock */ - exynos_fimd_set_clock(pvid); - - /* set rgb mode to dual lcd. */ - exynos_fimd_set_dualrgb(pvid->dual_lcd_enabled); - - /* display on */ - exynos_fimd_lcd_on(); - - /* window on */ - exynos_fimd_window_on(pvid->win_id); - - exynos_fimd_set_dp_clkcon(pvid->dp_enabled); -} - -unsigned long exynos_fimd_calc_fbsize(void) -{ - return pvid->vl_col * pvid->vl_row * (NBITS(pvid->vl_bpix) / 8); -} |