[U-Boot] [PATCH] video: support exynos fimd driver for various exynos series
Donghwa Lee
dh09.lee at samsung.com
Mon Jul 2 04:22:48 CEST 2012
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 at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
arch/arm/include/asm/arch-exynos/fb.h | 15 +++++-
drivers/video/exynos_fimd.c | 85 ++++++++++++++++++++-------------
2 files changed, 66 insertions(+), 34 deletions(-)
diff --git a/arch/arm/include/asm/arch-exynos/fb.h b/arch/arm/include/asm/arch-exynos/fb.h
index b10b0da..b56ab55 100644
--- 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 +154,9 @@ struct exynos4_fb {
};
#endif
+/* LCD IF register offset */
+#define EXYNOS_LCD_IF_BASE_OFFSET (0x20000)
+
/*
* Register offsets
*/
@@ -253,6 +256,10 @@ 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 +337,8 @@ 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 +363,10 @@ 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)
diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c
index f07568a..f8eac9d 100644
--- 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 +264,22 @@ void exynos_fimd_window_off(unsigned int win_id)
writel(cfg, &fimd_ctrl->winshmap);
}
+static unsigned int exynos_fimd_get_base_offset(void)
+{
+ if (cpu_is_exynos5())
+ return EXYNOS_LCD_IF_BASE_OFFSET;
+ else
+ return 0x0;
+}
+
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 +308,27 @@ 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 +344,13 @@ 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));
--
1.7.4.1
More information about the U-Boot
mailing list