video: mb862xx: fix coding style and remove dead code

Signed-off-by: Anatolij Gustschin <agust@denx.de>

1 files changed, 114 insertions, 103 deletions

diff --git a/drivers/video/mb862xx.c b/drivers/video/mb862xx.c
index 01eda55..7bc3c9b 100644
--- a/drivers/video/mb862xx.c
+++ b/drivers/video/mb862xx.c
@@ -37,6 +37,7 @@
 #if defined(CONFIG_POST)
 #include <post.h>
 #endif
+
 /*
  * Graphic Device
  */
@@ -65,74 +66,73 @@ unsigned int fr_div[] = { 0x00000f00, 0x00000900, 0x00000500 };
 #define	rd_io		in32r
 #define	wr_io		out32r
 #else
-#define	rd_io(addr)	in_be32((volatile unsigned*)(addr))
-#define	wr_io(addr,val)	out_be32((volatile unsigned*)(addr), (val))
+#define	rd_io(addr)	in_be32((volatile unsigned *)(addr))
+#define	wr_io(addr, val)	out_be32((volatile unsigned *)(addr), (val))
 #endif
 
-#define HOST_RD_REG(off)	rd_io((pGD->frameAdrs + 0x01fc0000 + (off)))
-#define HOST_WR_REG(off, val)	wr_io((pGD->frameAdrs + 0x01fc0000 + (off)), (val))
-#define DISP_RD_REG(off)	rd_io((pGD->frameAdrs + 0x01fd0000 + (off)))
-#define DISP_WR_REG(off, val)	wr_io((pGD->frameAdrs + 0x01fd0000 + (off)), (val))
-#define DE_RD_REG(off)		rd_io((pGD->dprBase + (off)))
-#define DE_WR_REG(off, val)	wr_io((pGD->dprBase + (off)), (val))
+#define HOST_RD_REG(off)	rd_io((dev->frameAdrs + 0x01fc0000 + (off)))
+#define HOST_WR_REG(off, val)	wr_io((dev->frameAdrs + 0x01fc0000 + (off)), \
+				      (val))
+#define DISP_RD_REG(off)	rd_io((dev->frameAdrs + 0x01fd0000 + (off)))
+#define DISP_WR_REG(off, val)	wr_io((dev->frameAdrs + 0x01fd0000 + (off)), \
+				      (val))
+#define DE_RD_REG(off)		rd_io((dev->dprBase + (off)))
+#define DE_WR_REG(off, val)	wr_io((dev->dprBase + (off)), (val))
 
 #if defined(CONFIG_VIDEO_CORALP)
-#define DE_WR_FIFO(val)		wr_io((pGD->dprBase + (0x8400)), (val))
+#define DE_WR_FIFO(val)		wr_io((dev->dprBase + (0x8400)), (val))
 #else
-#define DE_WR_FIFO(val)		wr_io((pGD->dprBase + (0x04a0)), (val))
+#define DE_WR_FIFO(val)		wr_io((dev->dprBase + (0x04a0)), (val))
 #endif
 
-#define L0PAL_RD_REG(idx, val)	rd_io((pGD->frameAdrs + 0x01fd0400 + ((idx)<<2)))
-#define L0PAL_WR_REG(idx, val)	wr_io((pGD->frameAdrs + 0x01fd0400 + ((idx)<<2)), (val))
-#define L1PAL_RD_REG(idx, val)	rd_io((pGD->frameAdrs + 0x01fd0800 + ((idx)<<2)))
-#define L1PAL_WR_REG(idx, val)	wr_io((pGD->frameAdrs + 0x01fd0800 + ((idx)<<2)), (val))
-#define L2PAL_RD_REG(idx, val)	rd_io((pGD->frameAdrs + 0x01fd1000 + ((idx)<<2)))
-#define L2PAL_WR_REG(idx, val)	wr_io((pGD->frameAdrs + 0x01fd1000 + ((idx)<<2)), (val))
-#define L3PAL_RD_REG(idx, val)	rd_io((pGD->frameAdrs + 0x01fd1400 + ((idx)<<2)))
-#define L3PAL_WR_REG(idx, val)	wr_io((pGD->frameAdrs + 0x01fd1400 + ((idx)<<2)), (val))
+#define L0PAL_WR_REG(idx, val)	wr_io((dev->frameAdrs + 0x01fd0400 + \
+				       ((idx) << 2)), (val))
 
-static void gdc_sw_reset(void)
+static void gdc_sw_reset (void)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
+
 	HOST_WR_REG (0x002c, 0x00000001);
 	udelay (500);
 	video_hw_init ();
 }
 
 
-static void de_wait(void)
+static void de_wait (void)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 	int lc = 0x10000;
 
-	/* Sync with software writes to framebuffer,
-	   try to reset if engine locked */
+	/*
+	 * Sync with software writes to framebuffer,
+	 * try to reset if engine locked
+	 */
 	while (DE_RD_REG (0x0400) & 0x00000131)
 		if (lc-- < 0) {
 			gdc_sw_reset ();
-			printf ("gdc reset done after drawing engine lock...\n");
+			printf ("gdc reset done after drawing engine lock.\n");
 			break;
 		}
 }
 
-static void de_wait_slots(int slots)
+static void de_wait_slots (int slots)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 	int lc = 0x10000;
 
 	/* Wait for free fifo slots */
 	while (DE_RD_REG (0x0408) < slots)
 		if (lc-- < 0) {
 			gdc_sw_reset ();
-			printf ("gdc reset done after drawing engine lock...\n");
+			printf ("gdc reset done after drawing engine lock.\n");
 			break;
 		}
 }
 
 #if !defined(CONFIG_VIDEO_CORALP)
-static void board_disp_init(void)
+static void board_disp_init (void)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 	const gdc_regs *regs = board_get_regs ();
 
 	while (regs->index) {
@@ -147,69 +147,69 @@ static void board_disp_init(void)
  */
 static void de_init (void)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
-	int cf = (pGD->gdfBytesPP == 1) ? 0x0000 : 0x8000;
+	GraphicDevice *dev = &mb862xx;
+	int cf = (dev->gdfBytesPP == 1) ? 0x0000 : 0x8000;
 
-	pGD->dprBase = pGD->frameAdrs + 0x01ff0000;
+	dev->dprBase = dev->frameAdrs + 0x01ff0000;
 
 	/* Setup mode and fbbase, xres, fg, bg */
 	de_wait_slots (2);
 	DE_WR_FIFO (0xf1010108);
 	DE_WR_FIFO (cf | 0x0300);
 	DE_WR_REG (0x0440, 0x0000);
-	DE_WR_REG (0x0444, pGD->winSizeX);
+	DE_WR_REG (0x0444, dev->winSizeX);
 	DE_WR_REG (0x0480, 0x0000);
 	DE_WR_REG (0x0484, 0x0000);
 	/* Reset clipping */
 	DE_WR_REG (0x0454, 0x0000);
-	DE_WR_REG (0x0458, pGD->winSizeX);
+	DE_WR_REG (0x0458, dev->winSizeX);
 	DE_WR_REG (0x045c, 0x0000);
-	DE_WR_REG (0x0460, pGD->winSizeY);
+	DE_WR_REG (0x0460, dev->winSizeY);
 
 	/* Clear framebuffer using drawing engine */
 	de_wait_slots (3);
 	DE_WR_FIFO (0x09410000);
 	DE_WR_FIFO (0x00000000);
-	DE_WR_FIFO (pGD->winSizeY<<16 | pGD->winSizeX);
+	DE_WR_FIFO (dev->winSizeY << 16 | dev->winSizeX);
 	/* sync with SW access to framebuffer */
 	de_wait ();
 }
 
 #if defined(CONFIG_VIDEO_CORALP)
-unsigned int pci_video_init(void)
+unsigned int pci_video_init (void)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 	pci_dev_t devbusfn;
 
-	if ((devbusfn = pci_find_devices(supported, 0)) < 0)
-	{
+	if ((devbusfn = pci_find_devices (supported, 0)) < 0) {
 		printf ("PCI video controller not found!\n");
 		return 0;
 	}
 
 	/* PCI setup */
-	pci_write_config_dword (devbusfn, PCI_COMMAND, (PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
-	pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &pGD->frameAdrs);
-	pGD->frameAdrs = pci_mem_to_phys (devbusfn, pGD->frameAdrs);
+	pci_write_config_dword (devbusfn, PCI_COMMAND,
+				(PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
+	pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &dev->frameAdrs);
+	dev->frameAdrs = pci_mem_to_phys (devbusfn, dev->frameAdrs);
 
-	if (pGD->frameAdrs == 0) {
+	if (dev->frameAdrs == 0) {
 		printf ("PCI config: failed to get base address\n");
 		return 0;
 	}
 
-	pGD->pciBase = pGD->frameAdrs;
+	dev->pciBase = dev->frameAdrs;
 
 	/* Setup clocks and memory mode for Coral-P Eval. Board */
 	HOST_WR_REG (0x0038, 0x00090000);
 	udelay (200);
 	HOST_WR_REG (0xfffc, 0x11d7fa13);
 	udelay (100);
-	return pGD->frameAdrs;
+	return dev->frameAdrs;
 }
 
 unsigned int card_init (void)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 	unsigned int cf, videomode, div = 0;
 	unsigned long t1, hsync, vsync;
 	char *penv;
@@ -217,11 +217,10 @@ unsigned int card_init (void)
 	struct ctfb_res_modes *res_mode;
 	struct ctfb_res_modes var_mode;
 
-	memset (pGD, 0, sizeof (GraphicDevice));
+	memset (dev, 0, sizeof (GraphicDevice));
 
-	if (!pci_video_init ()) {
+	if (!pci_video_init ())
 		return 0;
-	}
 
 	printf ("CoralP\n");
 
@@ -229,7 +228,7 @@ unsigned int card_init (void)
 	videomode = 0x310;
 	/* get video mode via environment */
 	if ((penv = getenv ("videomode")) != NULL) {
-		/* deceide if it is a string */
+		/* decide if it is a string */
 		if (penv[0] <= '9') {
 			videomode = (int) simple_strtoul (penv, NULL, 16);
 			tmp = 1;
@@ -237,28 +236,28 @@ unsigned int card_init (void)
 	} else {
 		tmp = 1;
 	}
+
 	if (tmp) {
-		/* parameter are vesa modes */
-		/* search params */
+		/* parameter are vesa modes, search params */
 		for (i = 0; i < VESA_MODES_COUNT; i++) {
 			if (vesa_modes[i].vesanr == videomode)
 				break;
 		}
 		if (i == VESA_MODES_COUNT) {
-			printf ("\tno VESA Mode found, switching to mode 0x%x \n", videomode);
+			printf ("\tno VESA Mode found, fallback to mode 0x%x\n",
+				videomode);
 			i = 0;
 		}
-		res_mode =
-			(struct ctfb_res_modes *) &res_mode_init[vesa_modes[i].resindex];
+		res_mode = (struct ctfb_res_modes *)
+			   &res_mode_init[vesa_modes[i].resindex];
 		if (vesa_modes[i].resindex > 2) {
-			printf ("\tUnsupported resolution, switching to default\n");
+			printf ("\tUnsupported resolution, using default\n");
 			bpp = vesa_modes[1].bits_per_pixel;
 			div = fr_div[1];
 		}
 		bpp = vesa_modes[i].bits_per_pixel;
 		div = fr_div[vesa_modes[i].resindex];
 	} else {
-
 		res_mode = (struct ctfb_res_modes *) &var_mode;
 		bpp = video_get_params (res_mode, penv);
 	}
@@ -276,85 +275,94 @@ unsigned int card_init (void)
 	vsync = 1000000000L / t1;
 
 	/* fill in Graphic device struct */
-	sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
+	sprintf (dev->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
 		 res_mode->yres, bpp, (hsync / 1000), (vsync / 1000));
-	printf ("\t%s\n", pGD->modeIdent);
-	pGD->winSizeX = res_mode->xres;
-	pGD->winSizeY = res_mode->yres;
-	pGD->memSize = VIDEO_MEM_SIZE;
+	printf ("\t%s\n", dev->modeIdent);
+	dev->winSizeX = res_mode->xres;
+	dev->winSizeY = res_mode->yres;
+	dev->memSize = VIDEO_MEM_SIZE;
 
 	switch (bpp) {
 	case 8:
-		pGD->gdfIndex = GDF__8BIT_INDEX;
-		pGD->gdfBytesPP = 1;
+		dev->gdfIndex = GDF__8BIT_INDEX;
+		dev->gdfBytesPP = 1;
 		break;
 	case 15:
 	case 16:
-		pGD->gdfIndex = GDF_15BIT_555RGB;
-		pGD->gdfBytesPP = 2;
+		dev->gdfIndex = GDF_15BIT_555RGB;
+		dev->gdfBytesPP = 2;
 		break;
 	default:
-		printf ("\t%d bpp configured, but only 8,15 and 16 supported.\n", bpp);
+		printf ("\t%d bpp configured, but only 8,15 and 16 supported\n",
+			bpp);
 		printf ("\tSwitching back to 15bpp\n");
-		pGD->gdfIndex = GDF_15BIT_555RGB;
-		pGD->gdfBytesPP = 2;
+		dev->gdfIndex = GDF_15BIT_555RGB;
+		dev->gdfBytesPP = 2;
 	}
 
 	/* Setup dot clock (internal pll, division rate) */
 	DISP_WR_REG (0x0100, div);
 	/* L0 init */
-	cf = (pGD->gdfBytesPP == 1) ? 0x00000000 : 0x80000000;
-	DISP_WR_REG (0x0020, ((pGD->winSizeX * pGD->gdfBytesPP)/64)<<16 |
-			     (pGD->winSizeY-1) |
-			     cf);
+	cf = (dev->gdfBytesPP == 1) ? 0x00000000 : 0x80000000;
+	DISP_WR_REG (0x0020, ((dev->winSizeX * dev->gdfBytesPP) / 64) << 16 |
+			     (dev->winSizeY - 1) | cf);
 	DISP_WR_REG (0x0024, 0x00000000);
 	DISP_WR_REG (0x0028, 0x00000000);
 	DISP_WR_REG (0x002c, 0x00000000);
 	DISP_WR_REG (0x0110, 0x00000000);
 	DISP_WR_REG (0x0114, 0x00000000);
-	DISP_WR_REG (0x0118, (pGD->winSizeY-1)<<16 | pGD->winSizeX);
+	DISP_WR_REG (0x0118, (dev->winSizeY - 1) << 16 | dev->winSizeX);
 
 	/* Display timing init */
-	DISP_WR_REG (0x0004, (pGD->winSizeX+res_mode->left_margin+res_mode->right_margin+res_mode->hsync_len-1)<<16);
-	DISP_WR_REG (0x0008, (pGD->winSizeX-1) << 16 | (pGD->winSizeX-1));
-	DISP_WR_REG (0x000c, (res_mode->vsync_len-1)<<24|(res_mode->hsync_len-1)<<16|(pGD->winSizeX+res_mode->right_margin-1));
-	DISP_WR_REG (0x0010, (pGD->winSizeY+res_mode->lower_margin+res_mode->upper_margin+res_mode->vsync_len-1)<<16);
-	DISP_WR_REG (0x0014, (pGD->winSizeY-1) << 16 | (pGD->winSizeY+res_mode->lower_margin-1));
+	DISP_WR_REG (0x0004, (dev->winSizeX +
+			      res_mode->left_margin +
+			      res_mode->right_margin +
+			      res_mode->hsync_len - 1) << 16);
+	DISP_WR_REG (0x0008, (dev->winSizeX - 1) << 16 | (dev->winSizeX - 1));
+	DISP_WR_REG (0x000c, (res_mode->vsync_len - 1) << 24 |
+			     (res_mode->hsync_len - 1) << 16 |
+			     (dev->winSizeX + res_mode->right_margin - 1));
+	DISP_WR_REG (0x0010, (dev->winSizeY + res_mode->lower_margin +
+			      res_mode->upper_margin +
+			      res_mode->vsync_len - 1) << 16);
+	DISP_WR_REG (0x0014, (dev->winSizeY-1) << 16 |
+			     (dev->winSizeY + res_mode->lower_margin - 1));
 	DISP_WR_REG (0x0018, 0x00000000);
-	DISP_WR_REG (0x001c, pGD->winSizeY << 16 | pGD->winSizeX);
+	DISP_WR_REG (0x001c, dev->winSizeY << 16 | dev->winSizeX);
 	/* Display enable, L0 layer */
 	DISP_WR_REG (0x0100, 0x80010000 | div);
 
-	return pGD->frameAdrs;
+	return dev->frameAdrs;
 }
 #endif
 
 void *video_hw_init (void)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 
 	printf ("Video: Fujitsu ");
 
-	memset (pGD, 0, sizeof (GraphicDevice));
+	memset (dev, 0, sizeof (GraphicDevice));
 
 #if defined(CONFIG_VIDEO_CORALP)
-	if (card_init () == 0) {
-		return (NULL);
-	}
+	if (card_init () == 0)
+		return NULL;
 #else
-	/* Preliminary init of the onboard graphic controller,
-	   retrieve base address */
-	if ((pGD->frameAdrs = board_video_init ()) == 0) {
+	/*
+	 * Preliminary init of the onboard graphic controller,
+	 * retrieve base address
+	 */
+	if ((dev->frameAdrs = board_video_init ()) == 0) {
 		printf ("Controller not found!\n");
-		return (NULL);
+		return NULL;
 	} else
-		printf("Lime\n");
+		printf ("Lime\n");
 #endif
 
 	de_init ();
 
 #if !defined(CONFIG_VIDEO_CORALP)
-	board_disp_init();
+	board_disp_init ();
 #endif
 
 #if (defined(CONFIG_LWMON5) || \
@@ -363,15 +371,16 @@ void *video_hw_init (void)
 	board_backlight_switch (1);
 #endif
 
-	return pGD;
+	return dev;
 }
 
 /*
  * Set a RGB color in the LUT
  */
-void video_set_lut (unsigned int index, unsigned char r, unsigned char g, unsigned char b)
+void video_set_lut (unsigned int index, unsigned char r,
+		    unsigned char g, unsigned char b)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 
 	L0PAL_WR_REG (index, (r << 16) | (g << 8) | (b));
 }
@@ -379,10 +388,11 @@ void video_set_lut (unsigned int index, unsigned char r, unsigned char g, unsign
 /*
  * Drawing engine Fill and BitBlt screen region
  */
-void video_hw_rectfill (unsigned int bpp, unsigned int dst_x, unsigned int dst_y,
-			unsigned int dim_x, unsigned int dim_y, unsigned int color)
+void video_hw_rectfill (unsigned int bpp, unsigned int dst_x,
+			unsigned int dst_y, unsigned int dim_x,
+			unsigned int dim_y, unsigned int color)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 
 	de_wait_slots (3);
 	DE_WR_REG (0x0480, color);
@@ -392,11 +402,12 @@ void video_hw_rectfill (unsigned int bpp, unsigned int dst_x, unsigned int dst_y
 	de_wait ();
 }
 
-void video_hw_bitblt (unsigned int bpp, unsigned int src_x, unsigned int src_y,
-		      unsigned int dst_x, unsigned int dst_y, unsigned int width,
+void video_hw_bitblt (unsigned int bpp, unsigned int src_x,
+		      unsigned int src_y, unsigned int dst_x,
+		      unsigned int dst_y, unsigned int width,
 		      unsigned int height)
 {
-	GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
+	GraphicDevice *dev = &mb862xx;
 	unsigned int ctrl = 0x0d000000L;
 
 	if (src_x >= dst_x && src_y >= dst_y)