ARM: EXYNOS: support EXYNOS display driver

This patch is for EXYNOS Display driver.

Signed-off-by Donghwa Lee <[email protected]>

Signed-off-by Inki Dae <[email protected]>

Signed-off-by Kyungmin Park <[email protected]>

---

?drivers/video/exynos_fb.c ? | ?160 +++++++++++++++++
?drivers/video/exynos_fb.h ? | ? 62 +++++++
?drivers/video/exynos_fimd.c | ?416 +++++++++++++++++++++++++++++++++++++++++++

?3 files changed, 638 insertions(+), 0 deletions(-) ?create mode 100644 drivers/video/exynos_fb.c ?create mode 100644 drivers/video/exynos_fb.h ?create mode 100644 drivers/video/exynos_fimd.c

drivers/video/exynos_fb.c new file +0 -0

new file mode 100644
index 0000000..5067b22

drivers/video/exynos_fb.c new file +28 -0

+
+ ? ? ? /* system register path set */
+ ? ? ? cfg = readl(&sysreg->display_ctrl);
+ ? ? ? cfg |= (1 << 1);
+ ? ? ? writel(cfg, &sysreg->display_ctrl);
+
+ ? ? ? /* set lcd src clock */
+ ? ? ? cfg &= ~(0xf);
+ ? ? ? cfg |= 0x6;
+ ? ? ? writel(cfg, &clk->src_lcd0);
+
+ ? ? ? cfg = readl(&clk->gate_ip_lcd0);
+ ? ? ? cfg |= 1 << 0;
+ ? ? ? writel(cfg, &clk->gate_ip_lcd0);
+
+ ? ? ? /* set fimd ratio */
+ ? ? ? cfg &= ~(0xf);
+ ? ? ? cfg |= 0x1;
+ ? ? ? writel(cfg, &clk->div_lcd0);
+
+}
+
+void lcd_ctrl_init(void *lcdbase)
+{
+ ? ? ? lcd_clk_set();
+ ? ? ? /* initialize parameters which is specific to panel. */
+ ? ? ? init_panel_info(&panel_info);
+

+{
+ ? ? ? return;

drivers/video/exynos_fb.c new file +11 -0

+}
+
+void lcd_enable(void)
+{
+ ? ? ? lcd_panel_on(&panel_info);
+}
+
+ulong calc_fbsize(void)
+{
+ ? ? ? return exynos_fimd_calc_fbsize();
+}

drivers/video/exynos_fb.h new file +16 -0

new file mode 100644
index 0000000..3b8b0f6
@@ -0,0 +1,62 @@
+/*
+ * drivers/video/exynos_fb.h
+ *
+ * Copyright (C) 2012 Donghwa Lee <[email protected]>
+ *
+ * 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_
+

drivers/video/exynos_fb.h new file +15 -0

+ ? ? ? 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,

drivers/video/exynos_fb.h new file +3 -0

+
+#endif
+

drivers/video/exynos_fimd.c new file +52 -0

new file mode 100644
index 0000000..4822741
@@ -0,0 +1,416 @@
+/*
+ * exynos LCD Controller Specific driver.
+ *
+ * Author: InKi Dae <[email protected]>
+ * Author: Donghwa Lee <[email protected]>
+ *
+ * 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;
+
+ ? ? ? udebug("lcd_base_addr(framebuffer memory) = %x\n", lcd_base_addr);
+
+ ? ? ? return;
+}
+
+static void exynos_fimd_set_dualrgb(unsigned int enabled)
+{

drivers/video/exynos_fimd.c new file +14 -0

+
+ ? ? ? 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;

drivers/video/exynos_fimd.c new file +8 -0

+}
+
+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();
+

drivers/video/exynos_fimd.c new file +26 -0

+ ? ? ? 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. */

drivers/video/exynos_fimd.c new file +5 -0

+
+ ? ? ? writel(cfg, &fimd_ctrl->trigcon);
+}
+
+int s3cfb_is_i80_frame_done(void)

drivers/video/exynos_fimd.c new file +81 -0

+
+ ? ? ? return status;
+}
+
+static void exynos_fimd_lcd_on(unsigned int win_id)
+{
+ ? ? ? unsigned int cfg = 0;
+ ? ? ? struct exynos4_fb *fimd_ctrl =
+ ? ? ? ? ? ? ? (struct exynos4_fb *)samsung_get_base_fimd();
+
+ ? ? ? /* display on */
+ ? ? ? cfg = readl(&fimd_ctrl->vidcon0);
+ ? ? ? cfg |= (EXYNOS_VIDCON0_ENVID_ENABLE | EXYNOS_VIDCON0_ENVID_F_ENABLE);
+ ? ? ? writel(cfg, &fimd_ctrl->vidcon0);
+ ? ? ? udebug("vidcon0 = %x\n", cfg);
+}
+
+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();
+
+ ? ? ? /* enable window */
+ ? ? ? cfg = readl(&fimd_ctrl->wincon0 + (win_id * 0x4));
+ ? ? ? cfg |= EXYNOS_WINCON_ENWIN_ENABLE;
+ ? ? ? writel(cfg, &fimd_ctrl->wincon0 + (win_id * 0x4));
+ ? ? ? udebug("wincon%d=%x\n", win_id, cfg);
+
+ ? ? ? /* evt1 */
+ ? ? ? cfg = readl(&fimd_ctrl->winshmap);
+ ? ? ? cfg |= EXYNOS_WINSHMAP_CH_ENABLE(win_id);
+ ? ? ? writel(cfg, &fimd_ctrl->winshmap);
+}
+
+void exynos_fimd_lcd_off(unsigned int win_id)
+{
+ ? ? ? unsigned int cfg = 0;
+ ? ? ? struct exynos4_fb *fimd_ctrl =
+ ? ? ? ? ? ? ? (struct exynos4_fb *)samsung_get_base_fimd();
+
+ ? ? ? 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;
+ ? ? ? struct exynos4_fb *fimd_ctrl =
+ ? ? ? ? ? ? ? (struct exynos4_fb *)samsung_get_base_fimd();
+
+ ? ? ? cfg = readl(&fimd_ctrl->wincon0 + (win_id * 0x4));
+ ? ? ? cfg &= EXYNOS_WINCON_ENWIN_DISABLE;
+ ? ? ? writel(cfg, &fimd_ctrl->wincon0 + (win_id * 0x4));
+
+ ? ? ? /* evt1 */
+ ? ? ? cfg = readl(&fimd_ctrl->winshmap);
+ ? ? ? cfg &= ~EXYNOS_WINSHMAP_CH_DISABLE(win_id);
+ ? ? ? writel(cfg, &fimd_ctrl->winshmap);
+}
+
+int exynos_set_auto_cmd_rate(unsigned char cmd_rate, unsigned char ldi)
+{
+ ? ? ? unsigned int cmd_rate_val;
+ ? ? ? unsigned int i80_if_con_reg_val;
+ ? ? ? struct exynos4_fb *fimd_ctrl =
+ ? ? ? ? ? ? ? (struct exynos4_fb *)samsung_get_base_fimd();
+
+ ? ? ? cmd_rate_val = (cmd_rate == DISABLE_AUTO_FRM) ? (0x0 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_TWO_FRM) ? (0x1 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_FOUR_FRM) ? (0x2 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_SIX_FRM) ? (0x3 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_EIGHT_FRM) ? (0x4 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_TEN_FRM) ? (0x5 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_TWELVE_FRM) ? (0x6 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_FOURTEEN_FRM) ? (0x7 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_SIXTEEN_FRM) ? (0x8 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_EIGHTEEN_FRM) ? (0x9 << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_TWENTY_FRM) ? (0xa << 0) :
+ ? ? ? ? ? ? ? (cmd_rate == PER_TWENTY_TWO_FRM) ? (0xb << 0) :

drivers/video/exynos_fimd.c new file +49 -0

+}
+
+void exynos_fimd_lcd_init(vidinfo_t *vid)
+{
+ ? ? ? unsigned int cfg = 0, rgb_mode, win_id = 3;
+ ? ? ? struct exynos4_fb *fimd_ctrl =
+ ? ? ? ? ? ? ? (struct exynos4_fb *)samsung_get_base_fimd();
+
+ ? ? ? /* store panel info to global variable */
+ ? ? ? pvid = vid;
+
+ ? ? ? rgb_mode = MODE_RGB_P;
+
+ ? ? ? 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, &fimd_ctrl->vidcon1);
+
+ ? ? ? ? ? ? ? /* 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);
+ ? ? ? ? ? ? ? udebug("vidtcon0 = %x\n", cfg);
+
+
+ ? ? ? ? ? ? ? cfg = EXYNOS_VIDTCON1_HFPD(pvid->vl_hfpd - 1);
+ ? ? ? ? ? ? ? cfg |= EXYNOS_VIDTCON1_HBPD(pvid->vl_hbpd - 1);
+ ? ? ? ? ? ? ? cfg |= EXYNOS_VIDTCON1_HSPW(pvid->vl_hspw - 1);
+

drivers/video/exynos_fimd.c new file +17 -0

+ ? ? ? }
+
+ ? ? ? /* 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(win_id);
+
+ ? ? ? /* set memory address */
+ ? ? ? exynos_fimd_set_buffer_address(win_id);
+
+ ? ? ? /* set buffer size */
+ ? ? ? cfg = EXYNOS_VIDADDR_PAGEWIDTH(pvid->vl_col * pvid->vl_bpix / 8);
+ ? ? ? writel(cfg, &fimd_ctrl->vidw00add2 + (win_id * 0x4));

drivers/video/exynos_fimd.c new file +7 -0

+
+ ? ? ? /* display on */
+ ? ? ? exynos_fimd_lcd_on(win_id);
+
+ ? ? ? /* window on */
+ ? ? ? exynos_fimd_window_on(win_id);
+