[U-Boot] [PATCH v4 14/29] video: Drop the s3c-fb driver

Tue Oct 18 04:12:47 CEST 2016

This is not used in U-Boot.

Signed-off-by: Simon Glass <sjg at chromium.org>
Acked-by: Minkyu Kang <mk7.kang at samsung.com>
Reviewed-by: Tom Rini <trini at konsulko.com>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None

 drivers/video/Makefile      |   1 -
 drivers/video/cfb_console.c |   2 +-
 drivers/video/s3c-fb.c      | 172 --------------------------------------------
 3 files changed, 1 insertion(+), 174 deletions(-)
 delete mode 100644 drivers/video/s3c-fb.c

diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index d6dd436..2d5f607 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -49,7 +49,6 @@ obj-$(CONFIG_VIDEO_IPUV3) += mxc_ipuv3_fb.o ipu_common.o ipu_disp.o
 obj-$(CONFIG_VIDEO_MVEBU) += mvebu_lcd.o
 obj-$(CONFIG_VIDEO_MXS) += mxsfb.o videomodes.o
 obj-$(CONFIG_VIDEO_OMAP3) += omap3_dss.o
-obj-$(CONFIG_VIDEO_S3C) += s3c-fb.o videomodes.o
 obj-$(CONFIG_VIDEO_SANDBOX_SDL) += sandbox_sdl.o
 obj-$(CONFIG_VIDEO_SED13806) += sed13806.o
 obj-$(CONFIG_VIDEO_SM501) += sm501.o
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index a087d2e..aca4444 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -104,7 +104,7 @@
 #define VIDEO_HW_BITBLT
 #endif
 
-#if defined(CONFIG_VIDEO_MXS) || defined(CONFIG_VIDEO_S3C)
+#if defined(CONFIG_VIDEO_MXS)
 #define VIDEO_FB_16BPP_WORD_SWAP
 #endif
 
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
deleted file mode 100644
index bea3e69..0000000
--- a/drivers/video/s3c-fb.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * S3C24x0 LCD driver
- *
- * NOTE: Only 16/24 bpp operation with TFT LCD is supported.
- *
- * Copyright (C) 2014 Marek Vasut <marex at denx.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-#include <common.h>
-#include <malloc.h>
-#include <video_fb.h>
-
-#include <linux/errno.h>
-#include <asm/io.h>
-#include <asm/arch/s3c24x0_cpu.h>
-
-#include "videomodes.h"
-
-static GraphicDevice panel;
-
-/* S3C requires the FB to be 4MiB aligned. */
-#define S3CFB_ALIGN			(4 << 20)
-
-#define S3CFB_LCDCON1_CLKVAL(x)		((x) << 8)
-#define S3CFB_LCDCON1_PNRMODE_TFT	(0x3 << 5)
-#define S3CFB_LCDCON1_BPPMODE_TFT_16BPP	(0xc << 1)
-#define S3CFB_LCDCON1_BPPMODE_TFT_24BPP	(0xd << 1)
-
-#define S3CFB_LCDCON2_VBPD(x)		((x) << 24)
-#define S3CFB_LCDCON2_LINEVAL(x)	((x) << 14)
-#define S3CFB_LCDCON2_VFPD(x)		((x) << 6)
-#define S3CFB_LCDCON2_VSPW(x)		((x) << 0)
-
-#define S3CFB_LCDCON3_HBPD(x)		((x) << 19)
-#define S3CFB_LCDCON3_HOZVAL(x)		((x) << 8)
-#define S3CFB_LCDCON3_HFPD(x)		((x) << 0)
-
-#define S3CFB_LCDCON4_HSPW(x)		((x) << 0)
-
-#define S3CFB_LCDCON5_BPP24BL		(1 << 12)
-#define S3CFB_LCDCON5_FRM565		(1 << 11)
-#define S3CFB_LCDCON5_HWSWP		(1 << 0)
-
-#define	PS2KHZ(ps)			(1000000000UL / (ps))
-
-/*
- * Example:
- * setenv videomode video=ctfb:x:800,y:480,depth:16,mode:0,\
- *            pclk:30066,le:41,ri:89,up:45,lo:12,
- *            hs:1,vs:1,sync:100663296,vmode:0
- */
-static void s3c_lcd_init(GraphicDevice *panel,
-			struct ctfb_res_modes *mode, int bpp)
-{
-	uint32_t clk_divider;
-	struct s3c24x0_lcd *regs = s3c24x0_get_base_lcd();
-
-	/* Stop the controller. */
-	clrbits_le32(&regs->lcdcon1, 1);
-
-	/* Calculate clock divider. */
-	clk_divider = (get_HCLK() / PS2KHZ(mode->pixclock)) / 1000;
-	clk_divider = DIV_ROUND_UP(clk_divider, 2);
-	if (clk_divider)
-		clk_divider -= 1;
-
-	/* Program LCD configuration. */
-	switch (bpp) {
-	case 16:
-		writel(S3CFB_LCDCON1_BPPMODE_TFT_16BPP |
-		       S3CFB_LCDCON1_PNRMODE_TFT |
-		       S3CFB_LCDCON1_CLKVAL(clk_divider),
-		       &regs->lcdcon1);
-		writel(S3CFB_LCDCON5_HWSWP | S3CFB_LCDCON5_FRM565,
-		       &regs->lcdcon5);
-		break;
-	case 24:
-		writel(S3CFB_LCDCON1_BPPMODE_TFT_24BPP |
-		       S3CFB_LCDCON1_PNRMODE_TFT |
-		       S3CFB_LCDCON1_CLKVAL(clk_divider),
-		       &regs->lcdcon1);
-		writel(S3CFB_LCDCON5_BPP24BL, &regs->lcdcon5);
-		break;
-	}
-
-	writel(S3CFB_LCDCON2_LINEVAL(mode->yres - 1) |
-	       S3CFB_LCDCON2_VBPD(mode->upper_margin - 1) |
-	       S3CFB_LCDCON2_VFPD(mode->lower_margin - 1) |
-	       S3CFB_LCDCON2_VSPW(mode->vsync_len - 1),
-	       &regs->lcdcon2);
-
-	writel(S3CFB_LCDCON3_HBPD(mode->right_margin - 1) |
-	       S3CFB_LCDCON3_HFPD(mode->left_margin - 1) |
-	       S3CFB_LCDCON3_HOZVAL(mode->xres - 1),
-	       &regs->lcdcon3);
-
-	writel(S3CFB_LCDCON4_HSPW(mode->hsync_len - 1),
-	       &regs->lcdcon4);
-
-	/* Write FB address. */
-	writel(panel->frameAdrs >> 1, &regs->lcdsaddr1);
-	writel((panel->frameAdrs +
-	       (mode->xres * mode->yres * panel->gdfBytesPP)) >> 1,
-	       &regs->lcdsaddr2);
-	writel(mode->xres * bpp / 16, &regs->lcdsaddr3);
-
-	/* Start the controller. */
-	setbits_le32(&regs->lcdcon1, 1);
-}
-
-void *video_hw_init(void)
-{
-	int bpp = -1;
-	char *penv;
-	void *fb;
-	struct ctfb_res_modes mode;
-
-	puts("Video: ");
-
-	/* Suck display configuration from "videomode" variable */
-	penv = getenv("videomode");
-	if (!penv) {
-		puts("S3CFB: 'videomode' variable not set!\n");
-		return NULL;
-	}
-
-	bpp = video_get_params(&mode, penv);
-
-	/* fill in Graphic device struct */
-	sprintf(panel.modeIdent, "%dx%dx%d", mode.xres, mode.yres, bpp);
-
-	panel.winSizeX = mode.xres;
-	panel.winSizeY = mode.yres;
-	panel.plnSizeX = mode.xres;
-	panel.plnSizeY = mode.yres;
-
-	switch (bpp) {
-	case 24:
-		panel.gdfBytesPP = 4;
-		panel.gdfIndex = GDF_32BIT_X888RGB;
-		break;
-	case 16:
-		panel.gdfBytesPP = 2;
-		panel.gdfIndex = GDF_16BIT_565RGB;
-		break;
-	default:
-		printf("S3CFB: Invalid BPP specified! (bpp = %i)\n", bpp);
-		return NULL;
-	}
-
-	panel.memSize = mode.xres * mode.yres * panel.gdfBytesPP;
-
-	/* Allocate framebuffer */
-	fb = memalign(S3CFB_ALIGN, roundup(panel.memSize, S3CFB_ALIGN));
-	if (!fb) {
-		printf("S3CFB: Error allocating framebuffer!\n");
-		return NULL;
-	}
-
-	/* Wipe framebuffer */
-	memset(fb, 0, panel.memSize);
-
-	panel.frameAdrs = (u32)fb;
-
-	printf("%s\n", panel.modeIdent);
-
-	/* Start framebuffer */
-	s3c_lcd_init(&panel, &mode, bpp);
-
-	return (void *)&panel;
-}
-- 
2.8.0.rc3.226.g39d4020

