fbdev: stifb: Remove trailing whitespaces
authorThomas Zimmermann <tzimmermann@suse.de>
Fri, 31 Mar 2023 09:23:12 +0000 (11:23 +0200)
committerHelge Deller <deller@gmx.de>
Thu, 11 May 2023 13:22:16 +0000 (15:22 +0200)
Fix coding style. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
drivers/video/fbdev/stifb.c

index ef8a4c5..29912ee 100644 (file)
@@ -1,11 +1,11 @@
 /*
- * linux/drivers/video/stifb.c - 
- * Low level Frame buffer driver for HP workstations with 
+ * linux/drivers/video/stifb.c -
+ * Low level Frame buffer driver for HP workstations with
  * STI (standard text interface) video firmware.
  *
  * Copyright (C) 2001-2006 Helge Deller <deller@gmx.de>
  * Portions Copyright (C) 2001 Thomas Bogendoerfer <tsbogend@alpha.franken.de>
- * 
+ *
  * Based on:
  * - linux/drivers/video/artistfb.c -- Artist frame buffer driver
  *     Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>
@@ -14,7 +14,7 @@
  * - HP Xhp cfb-based X11 window driver for XFree86
  *     (c)Copyright 1992 Hewlett-Packard Co.
  *
- * 
+ *
  *  The following graphics display devices (NGLE family) are supported by this driver:
  *
  *  HPA4070A   known as "HCRX", a 1280x1024 color device with 8 planes
@@ -30,7 +30,7 @@
  *             supports 1280x1024 color displays with 8 planes.
  *  HP710G     same as HP710C, 1280x1024 grayscale only
  *  HP710L     same as HP710C, 1024x768 color only
- *  HP712      internal graphics support on HP9000s712 SPU, supports 640x480, 
+ *  HP712      internal graphics support on HP9000s712 SPU, supports 640x480,
  *             1024x768 or 1280x1024 color displays on 8 planes (Artist)
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -92,7 +92,7 @@ typedef struct {
        __s32   misc_video_end;
 } video_setup_t;
 
-typedef struct {                  
+typedef struct {
        __s16   sizeof_ngle_data;
        __s16   x_size_visible;     /* visible screen dim in pixels  */
        __s16   y_size_visible;
@@ -177,10 +177,10 @@ static int __initdata stifb_bpp_pref[MAX_STI_ROMS];
 #endif /* DEBUG_STIFB_REGS */
 
 
-#define ENABLE 1       /* for enabling/disabling screen */     
+#define ENABLE 1       /* for enabling/disabling screen */
 #define DISABLE 0
 
-#define NGLE_LOCK(fb_info)     do { } while (0) 
+#define NGLE_LOCK(fb_info)     do { } while (0)
 #define NGLE_UNLOCK(fb_info)   do { } while (0)
 
 static void
@@ -198,9 +198,9 @@ SETUP_HW(struct stifb_info *fb)
 
 static void
 SETUP_FB(struct stifb_info *fb)
-{      
+{
        unsigned int reg10_value = 0;
-       
+
        SETUP_HW(fb);
        switch (fb->id)
        {
@@ -210,15 +210,15 @@ SETUP_FB(struct stifb_info *fb)
                        reg10_value = 0x13601000;
                        break;
                case S9000_ID_A1439A:
-                       if (fb->info.var.bits_per_pixel == 32)                                          
+                       if (fb->info.var.bits_per_pixel == 32)
                                reg10_value = 0xBBA0A000;
-                       else 
+                       else
                                reg10_value = 0x13601000;
                        break;
                case S9000_ID_HCRX:
                        if (fb->info.var.bits_per_pixel == 32)
                                reg10_value = 0xBBA0A000;
-                       else                                    
+                       else
                                reg10_value = 0x13602000;
                        break;
                case S9000_ID_TIMBER:
@@ -243,7 +243,7 @@ START_IMAGE_COLORMAP_ACCESS(struct stifb_info *fb)
 }
 
 static void
-WRITE_IMAGE_COLOR(struct stifb_info *fb, int index, int color) 
+WRITE_IMAGE_COLOR(struct stifb_info *fb, int index, int color)
 {
        SETUP_HW(fb);
        WRITE_WORD(((0x100+index)<<2), fb, REG_3);
@@ -251,30 +251,30 @@ WRITE_IMAGE_COLOR(struct stifb_info *fb, int index, int color)
 }
 
 static void
-FINISH_IMAGE_COLORMAP_ACCESS(struct stifb_info *fb) 
-{              
+FINISH_IMAGE_COLORMAP_ACCESS(struct stifb_info *fb)
+{
        WRITE_WORD(0x400, fb, REG_2);
        if (fb->info.var.bits_per_pixel == 32) {
                WRITE_WORD(0x83000100, fb, REG_1);
        } else {
                if (fb->id == S9000_ID_ARTIST || fb->id == CRT_ID_VISUALIZE_EG)
                        WRITE_WORD(0x80000100, fb, REG_26);
-               else                                                    
+               else
                        WRITE_WORD(0x80000100, fb, REG_1);
        }
        SETUP_FB(fb);
 }
 
 static void
-SETUP_RAMDAC(struct stifb_info *fb) 
+SETUP_RAMDAC(struct stifb_info *fb)
 {
        SETUP_HW(fb);
        WRITE_WORD(0x04000000, fb, 0x1020);
        WRITE_WORD(0xff000000, fb, 0x1028);
 }
 
-static void 
-CRX24_SETUP_RAMDAC(struct stifb_info *fb) 
+static void
+CRX24_SETUP_RAMDAC(struct stifb_info *fb)
 {
        SETUP_HW(fb);
        WRITE_WORD(0x04000000, fb, 0x1000);
@@ -286,14 +286,14 @@ CRX24_SETUP_RAMDAC(struct stifb_info *fb)
 }
 
 #if 0
-static void 
+static void
 HCRX_SETUP_RAMDAC(struct stifb_info *fb)
 {
        WRITE_WORD(0xffffffff, fb, REG_32);
 }
 #endif
 
-static void 
+static void
 CRX24_SET_OVLY_MASK(struct stifb_info *fb)
 {
        SETUP_HW(fb);
@@ -314,7 +314,7 @@ ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
         WRITE_WORD(value,      fb, 0x1038);
 }
 
-static void 
+static void
 CRX24_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
 {
        unsigned int value = enable ? 0x10000000 : 0x30000000;
@@ -325,11 +325,11 @@ CRX24_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
 }
 
 static void
-ARTIST_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable) 
+ARTIST_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
 {
        u32 DregsMiscVideo = REG_21;
        u32 DregsMiscCtl = REG_27;
-       
+
        SETUP_HW(fb);
        if (enable) {
          WRITE_WORD(READ_WORD(fb, DregsMiscVideo) | 0x0A000000, fb, DregsMiscVideo);
@@ -344,7 +344,7 @@ ARTIST_ENABLE_DISABLE_DISPLAY(struct stifb_info *fb, int enable)
        (READ_BYTE(fb, REG_16b3) - 1)
 
 #define HYPER_CONFIG_PLANES_24 0x00000100
-       
+
 #define IS_24_DEVICE(fb) \
        (fb->deviceSpecificConfig & HYPER_CONFIG_PLANES_24)
 
@@ -470,15 +470,15 @@ SETUP_ATTR_ACCESS(struct stifb_info *fb, unsigned BufferNumber)
 }
 
 static void
-SET_ATTR_SIZE(struct stifb_info *fb, int width, int height) 
+SET_ATTR_SIZE(struct stifb_info *fb, int width, int height)
 {
-       /* REG_6 seems to have special values when run on a 
+       /* REG_6 seems to have special values when run on a
           RDI precisionbook parisc laptop (INTERNAL_EG_DX1024 or
           INTERNAL_EG_X1024).  The values are:
                0x2f0: internal (LCD) & external display enabled
                0x2a0: external display only
                0x000: zero on standard artist graphic cards
-       */ 
+       */
        WRITE_WORD(0x00000000, fb, REG_6);
        WRITE_WORD((width<<16) | height, fb, REG_9);
        WRITE_WORD(0x05000000, fb, REG_6);
@@ -486,7 +486,7 @@ SET_ATTR_SIZE(struct stifb_info *fb, int width, int height)
 }
 
 static void
-FINISH_ATTR_ACCESS(struct stifb_info *fb) 
+FINISH_ATTR_ACCESS(struct stifb_info *fb)
 {
        SETUP_HW(fb);
        WRITE_WORD(0x00000000, fb, REG_12);
@@ -499,7 +499,7 @@ elkSetupPlanes(struct stifb_info *fb)
        SETUP_FB(fb);
 }
 
-static void 
+static void
 ngleSetupAttrPlanes(struct stifb_info *fb, int BufferNumber)
 {
        SETUP_ATTR_ACCESS(fb, BufferNumber);
@@ -519,7 +519,7 @@ rattlerSetupPlanes(struct stifb_info *fb)
         * read mask register for overlay planes, not image planes).
         */
        CRX24_SETUP_RAMDAC(fb);
-    
+
        /* change fb->id temporarily to fool SETUP_FB() */
        saved_id = fb->id;
        fb->id = CRX24_OVERLAY_PLANES;
@@ -565,7 +565,7 @@ setNgleLutBltCtl(struct stifb_info *fb, int offsetWithinLut, int length)
        lutBltCtl.all           = 0x80000000;
        lutBltCtl.fields.length = length;
 
-       switch (fb->id) 
+       switch (fb->id)
        {
        case S9000_ID_A1439A:           /* CRX24 */
                if (fb->var.bits_per_pixel == 8) {
@@ -576,12 +576,12 @@ setNgleLutBltCtl(struct stifb_info *fb, int offsetWithinLut, int length)
                        lutBltCtl.fields.lutOffset = 0 * 256;
                }
                break;
-               
+
        case S9000_ID_ARTIST:
                lutBltCtl.fields.lutType = NGLE_CMAP_INDEXED0_TYPE;
                lutBltCtl.fields.lutOffset = 0 * 256;
                break;
-               
+
        default:
                lutBltCtl.fields.lutType = NGLE_CMAP_INDEXED0_TYPE;
                lutBltCtl.fields.lutOffset = 0;
@@ -596,7 +596,7 @@ setNgleLutBltCtl(struct stifb_info *fb, int offsetWithinLut, int length)
 #endif
 
 static NgleLutBltCtl
-setHyperLutBltCtl(struct stifb_info *fb, int offsetWithinLut, int length) 
+setHyperLutBltCtl(struct stifb_info *fb, int offsetWithinLut, int length)
 {
        NgleLutBltCtl lutBltCtl;
 
@@ -633,7 +633,7 @@ static void hyperUndoITE(struct stifb_info *fb)
 
        /* Hardware setup for full-depth write to "magic" location */
        GET_FIFO_SLOTS(fb, nFreeFifoSlots, 7);
-       NGLE_QUICK_SET_DST_BM_ACCESS(fb, 
+       NGLE_QUICK_SET_DST_BM_ACCESS(fb,
                BA(IndexedDcd, Otc04, Ots08, AddrLong,
                BAJustPoint(0), BINovly, BAIndexBase(0)));
        NGLE_QUICK_SET_IMAGE_BITMAP_OP(fb,
@@ -653,13 +653,13 @@ static void hyperUndoITE(struct stifb_info *fb)
        NGLE_UNLOCK(fb);
 }
 
-static void 
+static void
 ngleDepth8_ClearImagePlanes(struct stifb_info *fb)
 {
        /* FIXME! */
 }
 
-static void 
+static void
 ngleDepth24_ClearImagePlanes(struct stifb_info *fb)
 {
        /* FIXME! */
@@ -675,7 +675,7 @@ ngleResetAttrPlanes(struct stifb_info *fb, unsigned int ctlPlaneReg)
        NGLE_LOCK(fb);
 
        GET_FIFO_SLOTS(fb, nFreeFifoSlots, 4);
-       NGLE_QUICK_SET_DST_BM_ACCESS(fb, 
+       NGLE_QUICK_SET_DST_BM_ACCESS(fb,
                                     BA(IndexedDcd, Otc32, OtsIndirect,
                                        AddrLong, BAJustPoint(0),
                                        BINattr, BAIndexBase(0)));
@@ -713,22 +713,22 @@ ngleResetAttrPlanes(struct stifb_info *fb, unsigned int ctlPlaneReg)
        /**** Finally, set the Control Plane Register back to zero: ****/
        GET_FIFO_SLOTS(fb, nFreeFifoSlots, 1);
        NGLE_QUICK_SET_CTL_PLN_REG(fb, 0);
-       
+
        NGLE_UNLOCK(fb);
 }
-    
+
 static void
 ngleClearOverlayPlanes(struct stifb_info *fb, int mask, int data)
 {
        int nFreeFifoSlots = 0;
        u32 packed_dst;
        u32 packed_len;
-    
+
        NGLE_LOCK(fb);
 
        /* Hardware setup */
        GET_FIFO_SLOTS(fb, nFreeFifoSlots, 8);
-       NGLE_QUICK_SET_DST_BM_ACCESS(fb, 
+       NGLE_QUICK_SET_DST_BM_ACCESS(fb,
                                     BA(IndexedDcd, Otc04, Ots08, AddrLong,
                                        BAJustPoint(0), BINovly, BAIndexBase(0)));
 
@@ -736,23 +736,23 @@ ngleClearOverlayPlanes(struct stifb_info *fb, int mask, int data)
 
         NGLE_REALLY_SET_IMAGE_FG_COLOR(fb, data);
         NGLE_REALLY_SET_IMAGE_PLANEMASK(fb, mask);
-    
+
         packed_dst = 0;
         packed_len = (fb->info.var.xres << 16) | fb->info.var.yres;
         NGLE_SET_DSTXY(fb, packed_dst);
-    
-        /* Write zeroes to overlay planes */                  
+
+        /* Write zeroes to overlay planes */
        NGLE_QUICK_SET_IMAGE_BITMAP_OP(fb,
                                       IBOvals(RopSrc, MaskAddrOffset(0),
                                               BitmapExtent08, StaticReg(0),
                                               DataDynamic, MaskOtc, BGx(0), FGx(0)));
-                      
+
         SET_LENXY_START_RECFILL(fb, packed_len);
 
        NGLE_UNLOCK(fb);
 }
 
-static void 
+static void
 hyperResetPlanes(struct stifb_info *fb, int enable)
 {
        unsigned int controlPlaneReg;
@@ -783,7 +783,7 @@ hyperResetPlanes(struct stifb_info *fb, int enable)
                ngleClearOverlayPlanes(fb, 0xff, 255);
 
                /**************************************************
-                ** Also need to counteract ITE settings 
+                ** Also need to counteract ITE settings
                 **************************************************/
                hyperUndoITE(fb);
                break;
@@ -803,13 +803,13 @@ hyperResetPlanes(struct stifb_info *fb, int enable)
                ngleResetAttrPlanes(fb, controlPlaneReg);
                break;
        }
-       
+
        NGLE_UNLOCK(fb);
 }
 
 /* Return pointer to in-memory structure holding ELK device-dependent ROM values. */
 
-static void 
+static void
 ngleGetDeviceRomData(struct stifb_info *fb)
 {
 #if 0
@@ -821,7 +821,7 @@ XXX: FIXME: !!!
        char    *pCard8;
        int     i;
        char    *mapOrigin = NULL;
-    
+
        int romTableIdx;
 
        pPackedDevRomData = fb->ngle_rom;
@@ -888,7 +888,7 @@ SETUP_HCRX(struct stifb_info *fb)
 
        /* Initialize Hyperbowl registers */
        GET_FIFO_SLOTS(fb, nFreeFifoSlots, 7);
-       
+
        if (IS_24_DEVICE(fb)) {
                hyperbowl = (fb->info.var.bits_per_pixel == 32) ?
                        HYPERBOWL_MODE01_8_24_LUT0_TRANSPARENT_LUT1_OPAQUE :
@@ -897,9 +897,9 @@ SETUP_HCRX(struct stifb_info *fb)
                /* First write to Hyperbowl must happen twice (bug) */
                WRITE_WORD(hyperbowl, fb, REG_40);
                WRITE_WORD(hyperbowl, fb, REG_40);
-               
+
                WRITE_WORD(HYPERBOWL_MODE2_8_24, fb, REG_39);
-               
+
                WRITE_WORD(0x014c0148, fb, REG_42); /* Set lut 0 to be the direct color */
                WRITE_WORD(0x404c4048, fb, REG_43);
                WRITE_WORD(0x034c0348, fb, REG_44);
@@ -990,7 +990,7 @@ stifb_setcolreg(u_int regno, u_int red, u_int green,
                                0,      /* Offset w/i LUT */
                                256);   /* Load entire LUT */
                NGLE_BINC_SET_SRCADDR(fb,
-                               NGLE_LONG_FB_ADDRESS(0, 0x100, 0)); 
+                               NGLE_LONG_FB_ADDRESS(0, 0x100, 0));
                                /* 0x100 is same as used in WRITE_IMAGE_COLOR() */
                START_COLORMAPLOAD(fb, lutBltCtl.all);
                SETUP_FB(fb);
@@ -1028,7 +1028,7 @@ stifb_blank(int blank_mode, struct fb_info *info)
                ENABLE_DISABLE_DISPLAY(fb, enable);
                break;
        }
-       
+
        SETUP_FB(fb);
        return 0;
 }
@@ -1114,15 +1114,15 @@ stifb_init_display(struct stifb_info *fb)
 
        /* HCRX specific initialization */
        SETUP_HCRX(fb);
-       
+
        /*
        if (id == S9000_ID_HCRX)
                hyperInitSprite(fb);
        else
                ngleInitSprite(fb);
        */
-       
-       /* Initialize the image planes. */ 
+
+       /* Initialize the image planes. */
         switch (id) {
         case S9000_ID_HCRX:
            hyperResetPlanes(fb, ENABLE);
@@ -1194,7 +1194,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
        fb = kzalloc(sizeof(*fb), GFP_ATOMIC);
        if (!fb)
                return -ENOMEM;
-       
+
        info = &fb->info;
 
        /* set struct to a known state */
@@ -1235,7 +1235,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
                        dev_name, fb->id);
                goto out_err0;
        }
-       
+
        /* default to 8 bpp on most graphic chips */
        bpp = 8;
        xres = sti_onscreen_x(fb->sti);
@@ -1256,7 +1256,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
                fb->id = S9000_ID_A1659A;
                break;
        case S9000_ID_TIMBER:   /* HP9000/710 Any (may be a grayscale device) */
-               if (strstr(dev_name, "GRAYSCALE") || 
+               if (strstr(dev_name, "GRAYSCALE") ||
                    strstr(dev_name, "Grayscale") ||
                    strstr(dev_name, "grayscale"))
                        var->grayscale = 1;
@@ -1295,16 +1295,16 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
        case CRT_ID_VISUALIZE_EG:
        case S9000_ID_ARTIST:   /* Artist */
                break;
-       default: 
+       default:
 #ifdef FALLBACK_TO_1BPP
-               printk(KERN_WARNING 
+               printk(KERN_WARNING
                        "stifb: Unsupported graphics card (id=0x%08x) "
                                "- now trying 1bpp mode instead\n",
                        fb->id);
                bpp = 1;        /* default to 1 bpp */
                break;
 #else
-               printk(KERN_WARNING 
+               printk(KERN_WARNING
                        "stifb: Unsupported graphics card (id=0x%08x) "
                                "- skipping.\n",
                        fb->id);
@@ -1320,11 +1320,11 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
        fix->line_length = (fb->sti->glob_cfg->total_x * bpp) / 8;
        if (!fix->line_length)
                fix->line_length = 2048; /* default */
-       
+
        /* limit fbsize to max visible screen size */
        if (fix->smem_len > yres*fix->line_length)
                fix->smem_len = ALIGN(yres*fix->line_length, 4*1024*1024);
-       
+
        fix->accel = FB_ACCEL_NONE;
 
        switch (bpp) {
@@ -1350,7 +1350,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
            default:
                break;
        }
-       
+
        var->xres = var->xres_virtual = xres;
        var->yres = var->yres_virtual = yres;
        var->bits_per_pixel = bpp;
@@ -1379,7 +1379,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
                                fix->smem_start, fix->smem_start+fix->smem_len);
                goto out_err2;
        }
-               
+
        if (!request_mem_region(fix->mmio_start, fix->mmio_len, "stifb mmio")) {
                printk(KERN_ERR "stifb: cannot reserve sti mmio region 0x%04lx-0x%04lx\n",
                                fix->mmio_start, fix->mmio_start+fix->mmio_len);
@@ -1393,11 +1393,11 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
 
        fb_info(&fb->info, "%s %dx%d-%d frame buffer device, %s, id: %04x, mmio: 0x%04lx\n",
                fix->id,
-               var->xres, 
+               var->xres,
                var->yres,
                var->bits_per_pixel,
                dev_name,
-               fb->id, 
+               fb->id,
                fix->mmio_start);
 
        return 0;
@@ -1426,7 +1426,7 @@ static int __init stifb_init(void)
        struct sti_struct *sti;
        struct sti_struct *def_sti;
        int i;
-       
+
 #ifndef MODULE
        char *option = NULL;
 
@@ -1438,7 +1438,7 @@ static int __init stifb_init(void)
                printk(KERN_INFO "stifb: disabled by \"stifb=off\" kernel parameter\n");
                return -ENXIO;
        }
-       
+
        def_sti = sti_get_rom(0);
        if (def_sti) {
                for (i = 1; i <= MAX_STI_ROMS; i++) {
@@ -1472,7 +1472,7 @@ stifb_cleanup(void)
 {
        struct sti_struct *sti;
        int i;
-       
+
        for (i = 1; i <= MAX_STI_ROMS; i++) {
                sti = sti_get_rom(i);
                if (!sti)
@@ -1495,10 +1495,10 @@ int __init
 stifb_setup(char *options)
 {
        int i;
-       
+
        if (!options || !*options)
                return 1;
-       
+
        if (strncmp(options, "off", 3) == 0) {
                stifb_disabled = 1;
                options += 3;