On 2 April 2012 11:22, Donghwa Lee dh09.lee@samsung.com wrote:
This patch is for EXYNOS Display driver.
Signed-off-by: Donghwa Lee dh09.lee@samsung.com Signed-off-by: Inki Dae inki.dae@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com
arch/arm/include/asm/arch-exynos/fb.h | 446 +++++++++++++++++++++++++++++++++ drivers/video/Makefile | 1 + drivers/video/exynos_fb.c | 219 ++++++++++++++++ drivers/video/exynos_fb.h | 51 ++++ drivers/video/exynos_fimd.c | 357 ++++++++++++++++++++++++++ 5 files changed, 1074 insertions(+), 0 deletions(-) create mode 100644 arch/arm/include/asm/arch-exynos/fb.h create mode 100644 drivers/video/exynos_fb.c create mode 100644 drivers/video/exynos_fb.h create mode 100644 drivers/video/exynos_fimd.c
diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c new file mode 100644 index 0000000..43210dc --- /dev/null +++ b/drivers/video/exynos_fb.c @@ -0,0 +1,219 @@ +void lcd_ctrl_init(void *lcdbase) +{
dead space
- set_system_display_ctrl();
- set_lcd_clk();
- /* initialize parameters which is specific to panel. */
- init_panel_info(&panel_info);
- panel_width = panel_info.vl_width;
- panel_height = panel_info.vl_height;
- exynos_lcd_init_mem(lcdbase, &panel_info);
- memset(lcdbase, 0, panel_width * panel_height * (32 >> 3));
- draw_samsung_logo(lcdbase);
- exynos_lcd_init(&panel_info);
+}
+void lcd_enable(void) +{
- lcd_panel_on(&panel_info);
+}
+ulong calc_fbsize(void) +{
- return exynos_fimd_calc_fbsize();
+}
+/* dummy function */ +void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) +{
- return;
+}
diff --git a/drivers/video/exynos_fb.h b/drivers/video/exynos_fb.h new file mode 100644 index 0000000..e513f7a --- /dev/null +++ b/drivers/video/exynos_fb.h @@ -0,0 +1,51 @@ +/*
- drivers/video/exynos_fb.h
- Copyright (C) 2012 Donghwa Lee dh09.lee@samsung.com
- This file is subject to the terms and conditions of the GNU General Public
- License. See the file COPYING in the main directory of this archive for
- more details.
- EXYNOS Frame Buffer Driver
- based on skeletonfb.c, sa1100fb.h, s3c2410fb.c
- */
+#ifndef _EXYNOS_FB_H_ +#define _EXYNOS_FB_H_
+#define MAX_CLOCK (86 * 1000000)
+enum exynos_fb_rgb_mode_t {
- MODE_RGB_P = 0,
- MODE_BGR_P = 1,
- MODE_RGB_S = 2,
- MODE_BGR_S = 3,
+};
+enum exynos_cpu_auto_cmd_rate {
- DISABLE_AUTO_FRM,
- PER_TWO_FRM,
- PER_FOUR_FRM,
- PER_SIX_FRM,
- PER_EIGHT_FRM,
- PER_TEN_FRM,
- PER_TWELVE_FRM,
- PER_FOURTEEN_FRM,
- PER_SIXTEEN_FRM,
- PER_EIGHTEEN_FRM,
- PER_TWENTY_FRM,
- PER_TWENTY_TWO_FRM,
- PER_TWENTY_FOUR_FRM,
- PER_TWENTY_SIX_FRM,
- PER_TWENTY_EIGHT_FRM,
- PER_THIRTY_FRM,
+};
+void exynos_fimd_lcd_init_mem(unsigned long screen_base, unsigned long fb_size,
- unsigned long palette_size);
+void exynos_fimd_lcd_init(vidinfo_t *vid); +unsigned long exynos_fimd_calc_fbsize(void);
+#endif
dead space.
diff --git a/drivers/video/exynos_fimd.c b/drivers/video/exynos_fimd.c new file mode 100644 index 0000000..cfe5940 --- /dev/null +++ b/drivers/video/exynos_fimd.c @@ -0,0 +1,357 @@ +/*
- exynos LCD Controller Specific driver.
- Author: InKi Dae inki.dae@samsung.com
- Author: Donghwa Lee dh09.lee@samsung.com
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- MA 02111-1307 USA
- */
+#include <config.h> +#include <common.h> +#include <stdarg.h> +#include <linux/types.h> +#include <asm/io.h> +#include <lcd.h> +#include <div64.h>
+#include <asm/arch/clk.h> +#include <asm/arch/clock.h> +#include <asm/arch/cpu.h> +#include <asm/arch/fb.h> +#include <asm/arch/gpio.h> +#include "exynos_fb.h"
+static unsigned long *lcd_base_addr; +static vidinfo_t *pvid;
+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;
- return;
no need return.
+}
+static void exynos_fimd_set_dualrgb(unsigned int enabled) +{
- struct exynos4_fb *fimd_ctrl =
- (struct exynos4_fb *)samsung_get_base_fimd();
- 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_par(unsigned int win_id) +{
- unsigned int cfg = 0;
- struct exynos4_fb *fimd_ctrl =
- (struct exynos4_fb *)samsung_get_base_fimd();
- unsigned long temp = win_id * 4;
- /* 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;
- /* bpp is 32 */
- cfg |= EXYNOS_WINCON_WSWP_ENABLE;
- /* dma burst is 16 */
- cfg |= EXYNOS_WINCON_BURSTLEN_16WORD;
- /* pixel format is unpacked RGB888 */
- cfg |= EXYNOS_WINCON_BPPMODE_24BPP_888;
- 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);
- 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;
- struct exynos4_fb *fimd_ctrl =
- (struct exynos4_fb *)samsung_get_base_fimd();
- start_addr = (unsigned long)lcd_base_addr;
- end_addr = start_addr + ((pvid->vl_col * (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, src_clock;
- struct exynos4_fb *fimd_ctrl =
- (struct exynos4_fb *)samsung_get_base_fimd();
- u64 div64;
- if (get_pll_clk == NULL) {
- printf("get_pll_clk is null.\n");
- return;
- }
- if (pvid->dual_lcd_enabled)
need brace.
- 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)
need brace.
- 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
need brace.
- 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);
- src_clock = get_lcd_clk();
- 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);
- if (pixel_clock > MAX_CLOCK)
- pixel_clock = MAX_CLOCK;
- div64 = (u64)get_lcd_clk();
- /* get quotient and remainder. */
- remainder = do_div(div64, pixel_clock);
- div = (u32) div64;
- 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)
dead space
+{
- unsigned int cfg = 0;
- struct exynos4_fb *fimd_ctrl =
- (struct exynos4_fb *)samsung_get_base_fimd();
- cfg = readl(&fimd_ctrl->trigcon);
- cfg |= EXYNOS_I80SOFT_TRIG_EN | EXYNOS_I80START_TRIG;
- writel(cfg, &fimd_ctrl->trigcon);
+}
Thanks, Minkyu Kang.