video: support exynos fimd driver for various exynos series

This patch supports exynos fimd driver for various exynos series different from
existing it supports only exynos4 chip.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/arch/arm/include/asm/arch-exynos/fb.h b/arch/arm/include/asm/arch-exynos/fb.h
index b10b0da..c96683a 100644 (file)
--- a/arch/arm/include/asm/arch-exynos/fb.h
+++ b/arch/arm/include/asm/arch-exynos/fb.h
@@ -23,7 +23,7 @@
 #define __ASM_ARM_ARCH_FB_H_
 
 #ifndef __ASSEMBLY__
-struct exynos4_fb {
+struct exynos_fb {
        unsigned int vidcon0;
        unsigned int vidcon1;
        unsigned int vidcon2;
@@ -154,6 +154,18 @@ struct exynos4_fb {
 };
 #endif
 
+/* LCD IF register offset */
+#define EXYNOS4_LCD_IF_BASE_OFFSET                     0x0
+#define EXYNOS5_LCD_IF_BASE_OFFSET                     0x20000
+
+static inline unsigned int exynos_fimd_get_base_offset(void)
+{
+       if (cpu_is_exynos5())
+               return EXYNOS5_LCD_IF_BASE_OFFSET;
+       else
+               return EXYNOS4_LCD_IF_BASE_OFFSET;
+}
+
 /*
  *  Register offsets
 */
@@ -253,6 +265,8 @@ struct exynos4_fb {
 /* VIDTCON2 */
 #define EXYNOS_VIDTCON2_LINEVAL(x)                     (((x) & 0x7ff) << 11)
 #define EXYNOS_VIDTCON2_HOZVAL(x)                      (((x) & 0x7ff) << 0)
+#define EXYNOS_VIDTCON2_LINEVAL_E(x)                   ((((x) & 0x800) >> 11) << 23)
+#define EXYNOS_VIDTCON2_HOZVAL_E(x)                    ((((x) & 0x800) >> 11) << 22)
 
 /* Window 0~4 Control - WINCONx */
 #define EXYNOS_WINCON_DATAPATH_DMA                     (0 << 22)
@@ -330,6 +344,8 @@ struct exynos4_fb {
 #define EXYNOS_VIDOSD_TOP_Y(x)                         (((x) & 0x7ff) << 0)
 #define EXYNOS_VIDOSD_RIGHT_X(x)                       (((x) & 0x7ff) << 11)
 #define EXYNOS_VIDOSD_BOTTOM_Y(x)                      (((x) & 0x7ff) << 0)
+#define EXYNOS_VIDOSD_RIGHT_X_E(x)                     (((x) & 0x1) << 23)
+#define EXYNOS_VIDOSD_BOTTOM_Y_E(x)                    (((x) & 0x1) << 22)
 
 /* VIDOSD0C, VIDOSDxD */
 #define EXYNOS_VIDOSD_SIZE(x)                          (((x) & 0xffffff) << 0)
@@ -354,6 +370,8 @@ struct exynos4_fb {
 /* Buffer Size */
 #define EXYNOS_VIDADDR_OFFSIZE(x)                      (((x) & 0x1fff) << 13)
 #define EXYNOS_VIDADDR_PAGEWIDTH(x)                    (((x) & 0x1fff) << 0)
+#define EXYNOS_VIDADDR_OFFSIZE_E(x)                    ((((x) & 0x2000) >> 13) << 27)
+#define EXYNOS_VIDADDR_PAGEWIDTH_E(x)                  ((((x) & 0x2000) >> 13) << 26)
 
 /* WIN Color Map */
 #define EXYNOS_WINMAP_COLOR(x)                         ((x) & 0xffffff)
@@ -443,4 +461,9 @@ struct exynos4_fb {
 #define EXYNOS_I80START_TRIG                           (1 << 1)
 #define EXYNOS_I80STATUS_TRIG_DONE                     (1 << 2)
 
+/* DP_MIE_CLKCON */
+#define EXYNOS_DP_MIE_DISABLE                          (0 << 0)
+#define EXYNOS_DP_CLK_ENABLE                           (1 << 1)
+#define EXYNOS_MIE_CLK_ENABLE                          (3 << 0)
+
 #endif /* _REGS_FB_H */

diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c
index f07568a..9aaa2c7 100644 (file)
--- a/drivers/video/exynos_fimd.c
+++ b/drivers/video/exynos_fimd.c
@@ -41,8 +41,8 @@ void exynos_fimd_lcd_init_mem(u_long screen_base, u_long fb_size,
 
 static void exynos_fimd_set_dualrgb(unsigned int enabled)
 {
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
        unsigned int cfg = 0;
 
        if (enabled) {
@@ -60,8 +60,8 @@ static void exynos_fimd_set_dualrgb(unsigned int enabled)
 static void exynos_fimd_set_par(unsigned int win_id)
 {
        unsigned int cfg = 0;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        /* set window control */
        cfg = readl((unsigned int)&fimd_ctrl->wincon0 +
@@ -93,7 +93,10 @@ static void exynos_fimd_set_par(unsigned int win_id)
                        EXYNOS_VIDOSD(win_id));
 
        cfg = EXYNOS_VIDOSD_RIGHT_X(pvid->vl_col - 1) |
-               EXYNOS_VIDOSD_BOTTOM_Y(pvid->vl_row - 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));
 
@@ -106,8 +109,8 @@ static void exynos_fimd_set_par(unsigned int win_id)
 static void exynos_fimd_set_buffer_address(unsigned int win_id)
 {
        unsigned long start_addr, end_addr;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        start_addr = (unsigned long)lcd_base_addr;
        end_addr = start_addr + ((pvid->vl_col * (NBITS(pvid->vl_bpix) / 8)) *
@@ -124,8 +127,8 @@ 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;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        if (pvid->dual_lcd_enabled) {
                pixel_clock = pvid->vl_freq *
@@ -153,9 +156,6 @@ static void exynos_fimd_set_clock(vidinfo_t *pvid)
        cfg |= (EXYNOS_VIDCON0_CLKSEL_SCLK | EXYNOS_VIDCON0_CLKVALUP_ALWAYS |
                EXYNOS_VIDCON0_VCLKEN_NORMAL | EXYNOS_VIDCON0_CLKDIR_DIVIDED);
 
-       if (pixel_clock > MAX_CLOCK)
-               pixel_clock = MAX_CLOCK;
-
        src_clock = (unsigned long long) get_lcd_clk();
 
        /* get quotient and remainder. */
@@ -180,8 +180,8 @@ static void exynos_fimd_set_clock(vidinfo_t *pvid)
 void exynos_set_trigger(void)
 {
        unsigned int cfg = 0;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        cfg = readl(&fimd_ctrl->trigcon);
 
@@ -194,8 +194,8 @@ int exynos_is_i80_frame_done(void)
 {
        unsigned int cfg = 0;
        int status;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        cfg = readl(&fimd_ctrl->trigcon);
 
@@ -209,8 +209,8 @@ int exynos_is_i80_frame_done(void)
 static void exynos_fimd_lcd_on(void)
 {
        unsigned int cfg = 0;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        /* display on */
        cfg = readl(&fimd_ctrl->vidcon0);
@@ -221,8 +221,8 @@ static void exynos_fimd_lcd_on(void)
 static void exynos_fimd_window_on(unsigned int win_id)
 {
        unsigned int cfg = 0;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        /* enable window */
        cfg = readl((unsigned int)&fimd_ctrl->wincon0 +
@@ -239,8 +239,8 @@ static void exynos_fimd_window_on(unsigned int win_id)
 void exynos_fimd_lcd_off(void)
 {
        unsigned int cfg = 0;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        cfg = readl(&fimd_ctrl->vidcon0);
        cfg &= (EXYNOS_VIDCON0_ENVID_DISABLE | EXYNOS_VIDCON0_ENVID_F_DISABLE);
@@ -250,8 +250,8 @@ void exynos_fimd_lcd_off(void)
 void exynos_fimd_window_off(unsigned int win_id)
 {
        unsigned int cfg = 0;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
 
        cfg = readl((unsigned int)&fimd_ctrl->wincon0 +
                        EXYNOS_WINCON(win_id));
@@ -264,11 +264,15 @@ void exynos_fimd_window_off(unsigned int win_id)
        writel(cfg, &fimd_ctrl->winshmap);
 }
 
+
 void exynos_fimd_lcd_init(vidinfo_t *vid)
 {
        unsigned int cfg = 0, rgb_mode;
-       struct exynos4_fb *fimd_ctrl =
-               (struct exynos4_fb *)samsung_get_base_fimd();
+       unsigned int offset;
+       struct exynos_fb *fimd_ctrl =
+               (struct exynos_fb *)samsung_get_base_fimd();
+
+       offset = exynos_fimd_get_base_offset();
 
        /* store panel info to global variable */
        pvid = vid;
@@ -297,25 +301,27 @@ void exynos_fimd_lcd_init(vidinfo_t *vid)
                if (!pvid->vl_dp)
                        cfg |= EXYNOS_VIDCON1_IVDEN_INVERT;
 
-               writel(cfg, &fimd_ctrl->vidcon1);
+               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, &fimd_ctrl->vidtcon0);
+               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, &fimd_ctrl->vidtcon1);
+               writel(cfg, (unsigned int)&fimd_ctrl->vidtcon1 + offset);
 
                /* set lcd size */
-               cfg = EXYNOS_VIDTCON2_HOZVAL(pvid->vl_col - 1);
-               cfg |= EXYNOS_VIDTCON2_LINEVAL(pvid->vl_row - 1);
+               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, &fimd_ctrl->vidtcon2);
+               writel(cfg, (unsigned int)&fimd_ctrl->vidtcon2 + offset);
        }
 
        /* set display mode */
@@ -331,7 +337,11 @@ void exynos_fimd_lcd_init(vidinfo_t *vid)
        exynos_fimd_set_buffer_address(pvid->win_id);
 
        /* set buffer size */
-       cfg = EXYNOS_VIDADDR_PAGEWIDTH(pvid->vl_col * NBITS(pvid->vl_bpix) / 8);
+       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));