diff options
| -rw-r--r-- | drivers/video/cirrusfb.c | 1788 |
1 files changed, 983 insertions, 805 deletions
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c index 8269d704ab2..0b9fe74630f 100644 --- a/drivers/video/cirrusfb.c +++ b/drivers/video/cirrusfb.c @@ -59,7 +59,7 @@ #endif #ifdef CONFIG_PPC_PREP #include <asm/machdep.h> -#define isPReP (machine_is(prep)) +#define isPReP machine_is(prep) #else #define isPReP 0 #endif @@ -67,7 +67,6 @@ #include "video/vga.h" #include "video/cirrus.h" - /***************************************************************** * * debugging and utility macros @@ -82,7 +81,8 @@ /* debug output */ #ifdef CIRRUSFB_DEBUG -#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args) +#define DPRINTK(fmt, args...) \ + printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args) #else #define DPRINTK(fmt, args...) #endif @@ -90,20 +90,19 @@ /* debugging assertions */ #ifndef CIRRUSFB_NDEBUG #define assert(expr) \ - if(!(expr)) { \ - printk( "Assertion failed! %s,%s,%s,line=%d\n",\ - #expr,__FILE__,__FUNCTION__,__LINE__); \ - } + if (!(expr)) { \ + printk("Assertion failed! %s,%s,%s,line=%d\n", \ + #expr, __FILE__, __FUNCTION__, __LINE__); \ + } #else #define assert(expr) #endif -#define MB_ (1024*1024) +#define MB_ (1024 * 1024) #define KB_ (1024) #define MAX_NUM_BOARDS 7 - /***************************************************************** * * chipset information @@ -123,7 +122,6 @@ typedef enum { BT_LAGUNA, /* GD546x */ } cirrusfb_board_t; - /* * per-board-type information, used for enumerating and abstracting * chip-specific information @@ -139,7 +137,8 @@ static const struct cirrusfb_board_info_rec { /* for 1/4bpp, 8bpp 15/16bpp, 24bpp, 32bpp - numbers from xorg code */ bool init_sr07 : 1; /* init SR07 during init_vgachip() */ bool init_sr1f : 1; /* write SR1F during init_vgachip() */ - bool scrn_start_bit19 : 1; /* construct bit 19 of screen start address */ + /* construct bit 19 of screen start address */ + bool scrn_start_bit19 : 1; /* initial SR07 value, then for each mode */ unsigned char sr07; @@ -261,30 +260,28 @@ static const struct cirrusfb_board_info_rec { } }; - #ifdef CONFIG_PCI #define CHIP(id, btype) \ { PCI_VENDOR_ID_CIRRUS, id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (btype) } static struct pci_device_id cirrusfb_pci_table[] = { - CHIP( PCI_DEVICE_ID_CIRRUS_5436, BT_ALPINE ), - CHIP( PCI_DEVICE_ID_CIRRUS_5434_8, BT_ALPINE ), - CHIP( PCI_DEVICE_ID_CIRRUS_5434_4, BT_ALPINE ), - CHIP( PCI_DEVICE_ID_CIRRUS_5430, BT_ALPINE ), /* GD-5440 is same id */ - CHIP( PCI_DEVICE_ID_CIRRUS_7543, BT_ALPINE ), - CHIP( PCI_DEVICE_ID_CIRRUS_7548, BT_ALPINE ), - CHIP( PCI_DEVICE_ID_CIRRUS_5480, BT_GD5480 ), /* MacPicasso likely */ - CHIP( PCI_DEVICE_ID_CIRRUS_5446, BT_PICASSO4 ), /* Picasso 4 is 5446 */ - CHIP( PCI_DEVICE_ID_CIRRUS_5462, BT_LAGUNA ), /* CL Laguna */ - CHIP( PCI_DEVICE_ID_CIRRUS_5464, BT_LAGUNA ), /* CL Laguna 3D */ - CHIP( PCI_DEVICE_ID_CIRRUS_5465, BT_LAGUNA ), /* CL Laguna 3DA*/ + CHIP(PCI_DEVICE_ID_CIRRUS_5436, BT_ALPINE), + CHIP(PCI_DEVICE_ID_CIRRUS_5434_8, BT_ALPINE), + CHIP(PCI_DEVICE_ID_CIRRUS_5434_4, BT_ALPINE), + CHIP(PCI_DEVICE_ID_CIRRUS_5430, BT_ALPINE), /* GD-5440 is same id */ + CHIP(PCI_DEVICE_ID_CIRRUS_7543, BT_ALPINE), + CHIP(PCI_DEVICE_ID_CIRRUS_7548, BT_ALPINE), + CHIP(PCI_DEVICE_ID_CIRRUS_5480, BT_GD5480), /* MacPicasso likely */ + CHIP(PCI_DEVICE_ID_CIRRUS_5446, BT_PICASSO4), /* Picasso 4 is 5446 */ + CHIP(PCI_DEVICE_ID_CIRRUS_5462, BT_LAGUNA), /* CL Laguna */ + CHIP(PCI_DEVICE_ID_CIRRUS_5464, BT_LAGUNA), /* CL Laguna 3D */ + CHIP(PCI_DEVICE_ID_CIRRUS_5465, BT_LAGUNA), /* CL Laguna 3DA*/ { 0, } }; MODULE_DEVICE_TABLE(pci, cirrusfb_pci_table); #undef CHIP #endif /* CONFIG_PCI */ - #ifdef CONFIG_ZORRO static const struct zorro_device_id cirrusfb_zorro_table[] = { { @@ -294,7 +291,7 @@ static const struct zorro_device_id cirrusfb_zorro_table[] = { .id = ZORRO_PROD_HELFRICH_PICCOLO_RAM, .driver_data = BT_PICCOLO, }, { - .id = ZORRO_PROD_VILLAGE_TRONIC_PICASSO_II_II_PLUS_RAM, + .id = ZORRO_PROD_VILLAGE_TRONIC_PICASSO_II_II_PLUS_RAM, .driver_data = BT_PICASSO, }, { .id = ZORRO_PROD_GVP_EGS_28_24_SPECTRUM_RAM, @@ -333,7 +330,6 @@ static const struct { }; #endif /* CONFIG_ZORRO */ - struct cirrusfb_regs { __u32 line_length; /* in BYTES! */ __u32 visual; @@ -364,17 +360,12 @@ struct cirrusfb_regs { long VertBlankEnd; }; - - #ifdef CIRRUSFB_DEBUG typedef enum { - CRT, - SEQ + CRT, + SEQ } cirrusfb_dbg_reg_class_t; -#endif /* CIRRUSFB_DEBUG */ - - - +#endif /* CIRRUSFB_DEBUG */ /* info about board */ struct cirrusfb_info { @@ -405,9 +396,8 @@ struct cirrusfb_info { void (*unmap)(struct cirrusfb_info *cinfo); }; - static unsigned cirrusfb_def_mode = 1; -static int noaccel = 0; +static int noaccel; /* * Predefined Video Modes @@ -441,7 +431,7 @@ static const struct { .lower_margin = 8, .hsync_len = 96, .vsync_len = 4, - .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, .vmode = FB_VMODE_NONINTERLACED } }, { @@ -502,27 +492,29 @@ static const struct { /****************************************************************************/ /**** BEGIN PROTOTYPES ******************************************************/ - /*--- Interface used by the world ------------------------------------------*/ -static int cirrusfb_init (void); +static int cirrusfb_init(void); #ifndef MODULE -static int cirrusfb_setup (char *options); +static int cirrusfb_setup(char *options); #endif -static int cirrusfb_open (struct fb_info *info, int user); -static int cirrusfb_release (struct fb_info *info, int user); -static int cirrusfb_setcolreg (unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info); -static int cirrusfb_check_var (struct fb_var_screeninfo *var, - struct fb_info *info); -static int cirrusfb_set_par (struct fb_info *info); -static int cirrusfb_pan_display (struct fb_var_screeninfo *var, - struct fb_info *info); -static int cirrusfb_blank (int blank_mode, struct fb_info *info); -static void cirrusfb_fillrect (struct fb_info *info, const struct fb_fillrect *region); -static void cirrusfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); -static void cirrusfb_imageblit(struct fb_info *info, const struct fb_image *image); +static int cirrusfb_open(struct fb_info *info, int user); +static int cirrusfb_release(struct fb_info *info, int user); +static int cirrusfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, + struct fb_info *info); +static int cirrusfb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info); +static int cirrusfb_set_par(struct fb_info *info); +static int cirrusfb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info); +static int cirrusfb_blank(int blank_mode, struct fb_info *info); +static void cirrusfb_fillrect(struct fb_info *info, + const struct fb_fillrect *region); +static void cirrusfb_copyarea(struct fb_info *info, + const struct fb_copyarea *area); +static void cirrusfb_imageblit(struct fb_info *info, + const struct fb_image *image); /* function table of the above functions */ static struct fb_ops cirrusfb_ops = { @@ -540,68 +532,68 @@ static struct fb_ops cirrusfb_ops = { }; /*--- Hardware Specific Routines -------------------------------------------*/ -static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, +static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, struct cirrusfb_regs *regs, const struct fb_info *info); /*--- Internal routines ----------------------------------------------------*/ -static void init_vgachip (struct cirrusfb_info *cinfo); -static void switch_monitor (struct cirrusfb_info *cinfo, int on); -static void WGen (const struct cirrusfb_info *cinfo, - int regnum, unsigned char val); -static unsigned char RGen (const struct cirrusfb_info *cinfo, int regnum); -static void AttrOn (const struct cirrusfb_info *cinfo); -static void WHDR (const struct cirrusfb_info *cinfo, unsigned char val); -static void WSFR (struct cirrusfb_info *cinfo, unsigned char val); -static void WSFR2 (struct cirrusfb_info *cinfo, unsigned char val); -static void WClut (struct cirrusfb_info *cinfo, unsigned char regnum, unsigned char red, - unsigned char green, - unsigned char blue); +static void init_vgachip(struct cirrusfb_info *cinfo); +static void switch_monitor(struct cirrusfb_info *cinfo, int on); +static void WGen(const struct cirrusfb_info *cinfo, + int regnum, unsigned char val); +static unsigned char RGen(const struct cirrusfb_info *cinfo, int regnum); +static void AttrOn(const struct cirrusfb_info *cinfo); +static void WHDR(const struct cirrusfb_info *cinfo, unsigned char val); +static void WSFR(struct cirrusfb_info *cinfo, unsigned char val); +static void WSFR2(struct cirrusfb_info *cinfo, unsigned char val); +static void WClut(struct cirrusfb_info *cinfo, unsigned char regnum, + unsigned char red, unsigned char green, unsigned char blue); #if 0 -static void RClut (struct cirrusfb_info *cinfo, unsigned char regnum, unsigned char *red, - unsigned char *green, - unsigned char *blue); +static void RClut(struct cirrusfb_info *cinfo, unsigned char regnum, + unsigned char *red, unsigned char *green, + unsigned char *blue); #endif -static void cirrusfb_WaitBLT (u8 __iomem *regbase); -static void cirrusfb_BitBLT (u8 __iomem *regbase, int bits_per_pixel, - u_short curx, u_short cury, - u_short destx, u_short desty, - u_short width, u_short height, - u_short line_length); -static void cirrusfb_RectFill (u8 __iomem *regbase, int bits_per_pixel, - u_short x, u_short y, - u_short width, u_short height, - u_char color, u_short line_length); - -static void bestclock (long freq, long *best, - long *nom, long *den, - long *div, long maxfreq); +static void cirrusfb_WaitBLT(u8 __iomem *regbase); +static void cirrusfb_BitBLT(u8 __iomem *regbase, int bits_per_pixel, + u_short curx, u_short cury, + u_short destx, u_short desty, + u_short width, u_short height, + u_short line_length); +static void cirrusfb_RectFill(u8 __iomem *regbase, int bits_per_pixel, + u_short x, u_short y, + u_short width, u_short height, + u_char color, u_short line_length); + +static void bestclock(long freq, long *best, + long *nom, long *den, + long *div, long maxfreq); #ifdef CIRRUSFB_DEBUG -static void cirrusfb_dump (void); -static void cirrusfb_dbg_reg_dump (caddr_t regbase); -static void cirrusfb_dbg_print_regs (caddr_t regbase, cirrusfb_dbg_reg_class_t reg_class,...); -static void cirrusfb_dbg_print_byte (const char *name, unsigned char val); +static void cirrusfb_dump(void); +static void cirrusfb_dbg_reg_dump(caddr_t regbase); +static void cirrusfb_dbg_print_regs(caddr_t regbase, + cirrusfb_dbg_reg_class_t reg_class, ...); +static void cirrusfb_dbg_print_byte(const char *name, unsigned char val); #endif /* CIRRUSFB_DEBUG */ /*** END PROTOTYPES ********************************************************/ /*****************************************************************************/ /*** BEGIN Interface Used by the World ***************************************/ -static int opencount = 0; +static int opencount; /*--- Open /dev/fbx ---------------------------------------------------------*/ -static int cirrusfb_open (struct fb_info *info, int user) +static int cirrusfb_open(struct fb_info *info, int user) { if (opencount++ == 0) - switch_monitor (info->par, 1); + switch_monitor(info->par, 1); return 0; } /*--- Close /dev/fbx --------------------------------------------------------*/ -static int cirrusfb_release (struct fb_info *info, int user) +static int cirrusfb_release(struct fb_info *info, int user) { if (--opencount == 0) - switch_monitor (info->par, 0); + switch_monitor(info->par, 0); return 0; } @@ -610,11 +602,11 @@ static int cirrusfb_release (struct fb_info *info, int user) /**** BEGIN Hardware specific Routines **************************************/ /* Get a good MCLK value */ -static long cirrusfb_get_mclk (long freq, int bpp, long *div) +static long cirrusfb_get_mclk(long freq, int bpp, long *div) { long mclk; - assert (div != NULL); + assert(div != NULL); /* Calculate MCLK, in case VCLK is high enough to require > 50MHz. * Assume a 64-bit data path for now. The formula is: @@ -624,23 +616,23 @@ static long cirrusfb_get_mclk (long freq, int bpp, long *div) mclk = (mclk * 12) / 10; if (mclk < 50000) mclk = 50000; - DPRINTK ("Use MCLK of %ld kHz\n", mclk); + DPRINTK("Use MCLK of %ld kHz\n", mclk); /* Calculate value for SR1F. Multiply by 2 so we can round up. */ mclk = ((mclk * 16) / 14318); mclk = (mclk + 1) / 2; - DPRINTK ("Set SR1F[5:0] to 0x%lx\n", mclk); + DPRINTK("Set SR1F[5:0] to 0x%lx\n", mclk); /* Determine if we should use MCLK instead of VCLK, and if so, what we * should divide it by to get VCLK */ switch (freq) { case 24751 ... 25249: *div = 2; - DPRINTK ("Using VCLK = MCLK/2\n"); + DPRINTK("Using VCLK = MCLK/2\n"); break; case 49501 ... 50499: *div = 1; - DPRINTK ("Using VCLK = MCLK\n"); + DPRINTK("Using VCLK = MCLK\n"); break; default: *div = 0; @@ -691,37 +683,42 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, den = 1; break; /* 4 bytes per pixel */ default: - printk ("cirrusfb: mode %dx%dx%d rejected...color depth not supported.\n", + printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..." + "color depth not supported.\n", var->xres, var->yres, var->bits_per_pixel); - DPRINTK ("EXIT - EINVAL error\n"); + DPRINTK("EXIT - EINVAL error\n"); return -EINVAL; } if (var->xres * nom / den * var->yres > cinfo->size) { - printk ("cirrusfb: mode %dx%dx%d rejected...resolution too high to fit into video memory!\n", + printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..." + "resolution too high to fit into video memory!\n", var->xres, var->yres, var->bits_per_pixel); - DPRINTK ("EXIT - EINVAL error\n"); + DPRINTK("EXIT - EINVAL error\n"); return -EINVAL; } /* use highest possible virtual resolution */ if (var->xres_virtual == -1 && var->yres_virtual == -1) { - printk ("cirrusfb: using maximum available virtual resolution\n"); + printk(KERN_INFO + "cirrusfb: using maximum available virtual resolution\n"); for (i = 0; modes[i].xres != -1; i++) { if (modes[i].xres * nom / den * modes[i].yres < cinfo->size / 2) break; } if (modes[i].xres == -1) { - printk ("cirrusfb: could not find a virtual resolution that fits into video memory!!\n"); - DPRINTK ("EXIT - EINVAL error\n"); + printk(KERN_ERR "cirrusfb: could not find a virtual " + "resolution that fits into video memory!!\n"); + DPRINTK("EXIT - EINVAL error\n"); return -EINVAL; } var->xres_virtual = modes[i].xres; var->yres_virtual = modes[i].yres; - printk ("cirrusfb: virtual resolution set to maximum of %dx%d\n", - var->xres_virtual, var->yres_virtual); + printk(KERN_INFO "cirrusfb: virtual resolution set to " + "maximum of %dx%d\n", var->xres_virtual, + var->yres_virtual); } if (var->xres_virtual < var->xres) @@ -760,7 +757,7 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, break; case 16: - if(isPReP) { + if (isPReP) { var->red.offset = 2; var->green.offset = -3; var->blue.offset = 8; @@ -775,7 +772,7 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, break; case 24: - if(isPReP) { + if (isPReP) { var->red.offset = 8; var->green.offset = 16; var->blue.offset = 24; @@ -790,7 +787,7 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, break; case 32: - if(isPReP) { + if (isPReP) { var->red.offset = 8; var->green.offset = 16; var->blue.offset = 24; @@ -825,15 +822,16 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var, yres = (yres + 1) / 2; if (yres >= 1280) { - printk (KERN_WARNING "cirrusfb: ERROR: VerticalTotal >= 1280; special treatment required! (TODO)\n"); - DPRINTK ("EXIT - EINVAL error\n"); + printk(KERN_ERR "cirrusfb: ERROR: VerticalTotal >= 1280; " + "special treatment required! (TODO)\n"); + DPRINTK("EXIT - EINVAL error\n"); return -EINVAL; } return 0; } -static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, +static int cirrusfb_decode_var(const struct fb_var_screeninfo *var, struct cirrusfb_regs *regs, const struct fb_info *info) { @@ -844,7 +842,7 @@ static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, int xres, hfront, hsync, hback; int yres, vfront, vsync, vback; - switch(var->bits_per_pixel) { + switch (var->bits_per_pixel) { case 1: regs->line_length = var->xres_virtual / 8; regs->visual = FB_VISUAL_MONO10; @@ -887,7 +885,7 @@ static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, /* convert from ps to kHz */ freq = 1000000000 / var->pixclock; - DPRINTK ("desired pixclock: %ld kHz\n", freq); + DPRINTK("desired pixclock: %ld kHz\n", freq); maxclock = cirrusfb_board_info[cinfo->btype].maxclock[maxclockidx]; regs->multiplexing = 0; @@ -902,8 +900,9 @@ static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, break; default: - printk (KERN_WARNING "cirrusfb: ERROR: Frequency greater than maxclock (%ld kHz)\n", maxclock); - DPRINTK ("EXIT - return -EINVAL\n"); + printk(KERN_ERR "cirrusfb: Frequency greater " + "than maxclock (%ld kHz)\n", maxclock); + DPRINTK("EXIT - return -EINVAL\n"); return -EINVAL; } } @@ -914,14 +913,16 @@ static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, case 16: case 32: if (regs->HorizRes <= 800) - freq /= 2; /* Xbh has this type of clock for 32-bit */ + /* Xbh has this type of clock for 32-bit */ + freq /= 2; break; } #endif - bestclock (freq, ®s->freq, ®s->nom, ®s->den, ®s->div, - maxclock); - regs->mclk = cirrusfb_get_mclk (freq, var->bits_per_pixel, ®s->divMCLK); + bestclock(freq, ®s->freq, ®s->nom, ®s->den, ®s->div, + maxclock); + regs->mclk = cirrusfb_get_mclk(freq, var->bits_per_pixel, + ®s->divMCLK); xres = var->xres; hfront = var->right_margin; @@ -948,7 +949,8 @@ static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, regs->HorizTotal = (xres + hfront + hsync + hback) / 8 - 5; regs->HorizDispEnd = xres / 8 - 1; regs->HorizBlankStart = xres / 8; - regs->HorizBlankEnd = regs->HorizTotal + 5; /* does not count with "-5" */ + /* does not count with "-5" */ + regs->HorizBlankEnd = regs->HorizTotal + 5; regs->HorizSyncStart = (xres + hfront) / 8 + 1; regs->HorizSyncEnd = (xres + hfront + hsync) / 8 + 1; @@ -976,23 +978,23 @@ static int cirrusfb_decode_var (const struct fb_var_screeninfo *var, return 0; } - -static void cirrusfb_set_mclk (const struct cirrusfb_info *cinfo, int val, int div) +static void cirrusfb_set_mclk(const struct cirrusfb_info *cinfo, int val, + int div) { - assert (cinfo != NULL); + assert(cinfo != NULL); if (div == 2) { /* VCLK = MCLK/2 */ - unsigned char old = vga_rseq (cinfo->regbase, CL_SEQR1E); - vga_wseq (cinfo->regbase, CL_SEQR1E, old | 0x1); - vga_wseq (cinfo->regbase, CL_SEQR1F, 0x40 | (val & 0x3f)); + unsigned char old = vga_rseq(cinfo->regbase, CL_SEQR1E); + vga_wseq(cinfo->regbase, CL_SEQR1E, old | 0x1); + vga_wseq(cinfo->regbase, CL_SEQR1F, 0x40 | (val & 0x3f)); } else if (div == 1) { /* VCLK = MCLK */ - unsigned char old = vga_rseq (cinfo->regbase, CL_SEQR1E); - vga_wseq (cinfo->regbase, CL_SEQR1E, old & ~0x1); - vga_wseq (cinfo->regbase, CL_SEQR1F, 0x40 | (val & 0x3f)); + unsigned char old = vga_rseq(cinfo->regbase, CL_SEQR1E); + vga_wseq(cinfo->regbase, CL_SEQR1E, old & ~0x1); + vga_wseq(cinfo->regbase, CL_SEQR1F, 0x40 | (val & 0x3f)); } else { - vga_wseq (cinfo->regbase, CL_SEQR1F, val & 0x3f); + vga_wseq(cinfo->regbase, CL_SEQR1F, val & 0x3f); } } @@ -1001,7 +1003,7 @@ static void cirrusfb_set_mclk (const struct cirrusfb_info *cinfo, int val, int d actually writes the values for a new video mode into the hardware, **************************************************************************/ -static int cirrusfb_set_par_foo (struct fb_info *info) +static int cirrusfb_set_par_foo(struct fb_info *info) { struct cirrusfb_info *cinfo = info->par; struct fb_var_screeninfo *var = &info->var; @@ -1011,15 +1013,15 @@ static int cirrusfb_set_par_foo (struct fb_info *info) int offset = 0, err; const struct cirrusfb_board_info_rec *bi; - DPRINTK ("ENTER\n"); - DPRINTK ("Requested mode: %dx%dx%d\n", + DPRINTK("ENTER\n"); + DPRINTK("Requested mode: %dx%dx%d\n", var->xres, var->yres, var->bits_per_pixel); - DPRINTK ("pixclock: %d\n", var->pixclock); + DPRINTK("pixclock: %d\n", var->pixclock); - init_vgachip (cinfo); + init_vgachip(cinfo); err = cirrusfb_decode_var(var, ®s, info); - if(err) { + if (err) { /* should never happen */ DPRINTK("mode change aborted. invalid var.\n"); return -EINVAL; @@ -1027,34 +1029,35 @@ static int cirrusfb_set_par_foo (struct fb_info *info) bi = &cirrusfb_board_info[cinfo->btype]; - /* unlock register VGA_CRTC_H_TOTAL..CRT7 */ - vga_wcrt (regbase, VGA_CRTC_V_SYNC_END, 0x20); /* previously: 0x00) */ + vga_wcrt(regbase, VGA_CRTC_V_SYNC_END, 0x20); /* previously: 0x00) */ /* if debugging is enabled, all parameters get output before writing */ - DPRINTK ("CRT0: %ld\n", regs.HorizTotal); - vga_wcrt (regbase, VGA_CRTC_H_TOTAL, regs.HorizTotal); + DPRINTK("CRT0: %ld\n", regs.HorizTotal); + vga_wcrt(regbase, VGA_CRTC_H_TOTAL, regs.HorizTotal); - DPRINTK ("CRT1: %ld\n", regs.HorizDispEnd); - vga_wcrt (regbase, VGA_CRTC_H_DISP, regs.HorizDispEnd); + DPRINTK("CRT1: %ld\n", regs.HorizDispEnd); + vga_wcrt(regbase, VGA_CRTC_H_DISP, regs.HorizDispEnd); - DPRINTK ("CRT2: %ld\n", regs.HorizBlankStart); - vga_wcrt (regbase, VGA_CRTC_H_BLANK_START, regs.HorizBlankStart); + DPRINTK("CRT2: %ld\n", regs.HorizBlankStart); + vga_wcrt(regbase, VGA_CRTC_H_BLANK_START, regs.HorizBlankStart); - DPRINTK ("CRT3: 128+%ld\n", regs.HorizBlankEnd % 32); /* + 128: Compatible read */ - vga_wcrt (regbase, VGA_CRTC_H_BLANK_END, 128 + (regs.HorizBlankEnd % 32)); + /* + 128: Compatible read */ + DPRINTK("CRT3: 128+%ld\n", regs.HorizBlankEnd % 32); + vga_wcrt(regbase, VGA_CRTC_H_BLANK_END, + 128 + (regs.HorizBlankEnd % 32)); - DPRINTK ("CRT4: %ld\n", regs.HorizSyncStart); - vga_wcrt (regbase, VGA_CRTC_H_SYNC_START, regs.HorizSyncStart); + DPRINTK("CRT4: %ld\n", regs.HorizSyncStart); + vga_wcrt(regbase, VGA_CRTC_H_SYNC_START, regs.HorizSyncStart); tmp = regs.HorizSyncEnd % 32; if (regs.HorizBlankEnd & 32) tmp += 128; - DPRINTK ("CRT5: %d\n", tmp); - vga_wcrt (regbase, VGA_CRTC_H_SYNC_END, tmp); + DPRINTK("CRT5: %d\n", tmp); + vga_wcrt(regbase, VGA_CRTC_H_SYNC_END, tmp); - DPRINTK ("CRT6: %ld\n", regs.VertTotal & 0xff); - vga_wcrt (regbase, VGA_CRTC_V_TOTAL, (regs.VertTotal & 0xff)); + DPRINTK("CRT6: %ld\n", regs.VertTotal & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_TOTAL, (regs.VertTotal & 0xff)); tmp = 16; /* LineCompare bit #9 */ if (regs.VertTotal & 256) @@ -1071,34 +1074,34 @@ static int cirrusfb_set_par_foo (struct fb_info *info) tmp |= 64; if (regs.VertSyncStart & 512) tmp |= 128; - DPRINTK ("CRT7: %d\n", tmp); - vga_wcrt (regbase, VGA_CRTC_OVERFLOW, tmp); + DPRINTK("CRT7: %d\n", tmp); + vga_wcrt(regbase, VGA_CRTC_OVERFLOW, tmp); tmp = 0x40; /* LineCompare bit #8 */ if (regs.VertBlankStart & 512) tmp |= 0x20; if (var->vmode & FB_VMODE_DOUBLE) tmp |= 0x80; - DPRINTK ("CRT9: %d\n", tmp); - vga_wcrt (regbase, VGA_CRTC_MAX_SCAN, tmp); + DPRINTK("CRT9: %d\n", tmp); + vga_wcrt(regbase, VGA_CRTC_MAX_SCAN, tmp); - DPRINTK ("CRT10: %ld\n", regs.VertSyncStart & 0xff); - vga_wcrt (regbase, VGA_CRTC_V_SYNC_START, (regs.VertSyncStart & 0xff)); + DPRINTK("CRT10: %ld\n", regs.VertSyncStart & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_SYNC_START, regs.VertSyncStart & 0xff); - DPRINTK ("CRT11: 64+32+%ld\n", regs.VertSyncEnd % 16); - vga_wcrt (regbase, VGA_CRTC_V_SYNC_END, (regs.VertSyncEnd % 16 + 64 + 32)); + DPRINTK("CRT11: 64+32+%ld\n", regs.VertSyncEnd % 16); + vga_wcrt(regbase, VGA_CRTC_V_SYNC_END, regs.VertSyncEnd % 16 + 64 + 32); - DPRINTK ("CRT12: %ld\n", regs.VertDispEnd & 0xff); - vga_wcrt (regbase, VGA_CRTC_V_DISP_END, (regs.VertDispEnd & 0xff)); + DPRINTK("CRT12: %ld\n", regs.VertDispEnd & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_DISP_END, regs.VertDispEnd & 0xff); - DPRINTK ("CRT15: %ld\n", regs.VertBlankStart & 0xff); - vga_wcrt (regbase, VGA_CRTC_V_BLANK_START, (regs.VertBlankStart & 0xff)); + DPRINTK("CRT15: %ld\n", regs.VertBlankStart & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_BLANK_START, regs.VertBlankStart & 0xff); - DPRINTK ("CRT16: %ld\n", regs.VertBlankEnd & 0xff); - vga_wcrt (regbase, VGA_CRTC_V_BLANK_END, (regs.VertBlankEnd & 0xff)); + DPRINTK("CRT16: %ld\n", regs.VertBlankEnd & 0xff); + vga_wcrt(regbase, VGA_CRTC_V_BLANK_END, regs.VertBlankEnd & 0xff); - DPRINTK ("CRT18: 0xff\n"); - vga_wcrt (regbase, VGA_CRTC_LINE_COMPARE, 0xff); + DPRINTK("CRT18: 0xff\n"); + vga_wcrt(regbase, VGA_CRTC_LINE_COMPARE, 0xff); tmp = 0; if (var->vmode & FB_VMODE_INTERLACED) @@ -1112,57 +1115,63 @@ static int cirrusfb_set_par_foo (struct fb_info *info) if (regs.VertBlankEnd & 512) tmp |= 128; - DPRINTK ("CRT1a: %d\n", tmp); - vga_wcrt (regbase, CL_CRT1A, tmp); + DPRINTK("CRT1a: %d\n", tmp); + vga_wcrt(regbase, CL_CRT1A, tmp); /* set VCLK0 */ /* hardware RefClock: 14.31818 MHz */ /* formula: VClk = (OSC * N) / (D * (1+P)) */ /* Example: VClk = (14.31818 * 91) / (23 * (1+1)) = 28.325 MHz */ - vga_wseq (regbase, CL_SEQRB, regs.nom); + vga_wseq(regbase, CL_SEQRB, regs.nom); tmp = regs.den << 1; if (regs.div != 0) tmp |= 1; + /* 6 bit denom; ONLY 5434!!! (bugged me 10 days) */ if ((cinfo->btype == BT_SD64) || (cinfo->btype == BT_ALPINE) || (cinfo->btype == BT_GD5480)) - tmp |= 0x80; /* 6 bit denom; ONLY 5434!!! (bugged me 10 days) */ + tmp |= 0x80; - DPRINTK ("CL_SEQR1B: %ld\n", (long) tmp); - vga_wseq (regbase, CL_SEQR1B, tmp); + DPRINTK("CL_SEQR1B: %ld\n", (long) tmp); + vga_wseq(regbase, CL_SEQR1B, tmp); if (regs.VertRes >= 1024) /* 1280x1024 */ - vga_wcrt (regbase, VGA_CRTC_MODE, 0xc7); + vga_wcrt(regbase, VGA_CRTC_MODE, 0xc7); else /* mode control: VGA_CRTC_START_HI enable, ROTATE(?), 16bit * address wrap, no compat. */ - vga_wcrt (regbase, VGA_CRTC_MODE, 0xc3); + vga_wcrt(regbase, VGA_CRTC_MODE, 0xc3); -/* HAEH? vga_wcrt (regbase, VGA_CRTC_V_SYNC_END, 0x20); * previously: 0x00 unlock VGA_CRTC_H_TOTAL..CRT7 */ +/* HAEH? vga_wcrt(regbase, VGA_CRTC_V_SYNC_END, 0x20); + * previously: 0x00 unlock VGA_CRTC_H_TOTAL..CRT7 */ /* don't know if it would hurt to also program this if no interlaced */ /* mode is used, but I feel better this way.. :-) */ if (var->vmode & FB_VMODE_INTERLACED) - vga_wcrt (regbase, VGA_CRTC_REGS, regs.HorizTotal / 2); + vga_wcrt(regbase, VGA_CRTC_REGS, regs.HorizTotal / 2); else - vga_wcrt (regbase, VGA_CRTC_REGS, 0x00); /* interlace control */ + vga_wcrt(regbase, VGA_CRTC_REGS, 0x00); /* interlace control */ - vga_wseq (regbase, VGA_SEQ_CHARACTER_MAP, 0); + vga_wseq(regbase, VGA_SEQ_CHARACTER_MAP, 0); /* adjust horizontal/vertical sync type (low/high) */ - tmp = 0x03; /* enable display memory & CRTC I/O address for color mode */ + /* enable display memory & CRTC I/O address for color mode */ + tmp = 0x03; if (var->sync & FB_SYNC_HOR_HIGH_ACT) tmp |= 0x40; if (var->sync & FB_SYNC_VERT_HIGH_ACT) tmp |= 0x80; - WGen (cinfo, VGA_MIS_W, tmp); + WGen(cinfo, VGA_MIS_W, tmp); - vga_wcrt (regbase, VGA_CRTC_PRESET_ROW, 0); /* Screen A Preset Row-Scan register */ - vga_wcrt (regbase, VGA_CRTC_CURSOR_START, 0); /* text cursor on and start line */ - vga_wcrt (regbase, VGA_CRTC_CURSOR_END, 31); /* text cursor end line */ + /* Screen A Preset Row-Scan register */ + vga_wcrt(regbase, VGA_CRTC_PRESET_ROW, 0); + /* text cursor on and start line */ + vga_wcrt(regbase, VGA_CRTC_CURSOR_START, 0); + /* text cursor end line */ + vga_wcrt(regbase, VGA_CRTC_CURSOR_END, 31); /****************************************************** * @@ -1172,8 +1181,8 @@ static int cirrusfb_set_par_foo (struct fb_info *info) /* programming for different color depths */ if (var->bits_per_pixel == 1) { - DPRINTK ("cirrusfb: preparing for 1 bit deep display\n"); - vga_wgfx (regbase, VGA_GFX_MODE, 0); /* mode register */ + DPRINTK("cirrusfb: preparing for 1 bit deep display\n"); + vga_wgfx(regbase, VGA_GFX_MODE, 0); /* mode register */ /* SR07 */ switch (cinfo->btype) { @@ -1184,71 +1193,85 @@ static int cirrusfb_set_par_foo (struct fb_info *info) case BT_PICASSO4: case BT_ALPINE: case BT_GD5480: - DPRINTK (" (for GD54xx)\n"); - vga_wseq (regbase, CL_SEQR7, + DPRINTK(" (for GD54xx)\n"); + vga_wseq(regbase, CL_SEQR7, regs.multiplexing ? bi->sr07_1bpp_mux : bi->sr07_1bpp); break; case BT_LAGUNA: - DPRINTK (" (for GD546x)\n"); - vga_wseq (regbase, CL_SEQR7, - vga_rseq (regbase, CL_SEQR7) & ~0x01); + DPRINTK(" (for GD546x)\n"); + vga_wseq(regbase, CL_SEQR7, + vga_rseq(regbase, CL_SEQR7) & ~0x01); break; default: - printk (KERN_WARNING "cirrusfb: unknown Board\n"); + printk(KERN_WARNING "cirrusfb: unknown Board\n"); break; } /* Extended Sequencer Mode */ switch (cinfo->btype) { case BT_SD64: - /* setting the SEQRF on SD64 is not necessary (only during init) */ - DPRINTK ("(for SD64)\n"); - vga_wseq (regbase, CL_SEQR1F, 0x1a); /* MCLK select */ + /* setting the SEQRF on SD64 is not necessary + * (only during init) + */ + DPRINTK("(for SD64)\n"); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x1a); break; case BT_PICCOLO: - DPRINTK ("(for Piccolo)\n"); -/* ### ueberall 0x22? */ - vga_wseq (regbase, CL_SEQR1F, 0x22); /* ##vorher 1c MCLK select */ - vga_wseq (regbase, CL_SEQRF, 0xb0); /* evtl d0 bei 1 bit? avoid FIFO underruns..? */ + DPRINTK("(for Piccolo)\n"); + /* ### ueberall 0x22? */ + /* ##vorher 1c MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); + /* evtl d0 bei 1 bit? avoid FIFO underruns..? */ + vga_wseq(regbase, CL_SEQRF, 0xb0); break; case BT_PICASSO: - DPRINTK ("(for Picasso)\n"); - vga_wseq (regbase, CL_SEQR1F, 0x22); /* ##vorher 22 MCLK select */ - vga_wseq (regbase, CL_SEQRF, 0xd0); /* ## vorher d0 avoid FIFO underruns..? */ + DPRINTK("(for Picasso)\n"); + /* ##vorher 22 MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); + /* ## vorher d0 avoid FIFO underruns..? */ + vga_wseq(regbase, CL_SEQRF, 0xd0); break; case BT_SPECTRUM: - DPRINTK ("(for Spectrum)\n"); -/* ### ueberall 0x22? */ - vga_wseq (regbase, CL_SEQR1F, 0x22); /* ##vorher 1c MCLK select */ - vga_wseq (regbase, CL_SEQRF, 0xb0); /* evtl d0? avoid FIFO underruns..? */ + DPRINTK("(for Spectrum)\n"); + /* ### ueberall 0x22? */ + /* ##vorher 1c MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); + /* evtl d0? avoid FIFO underruns..? */ + vga_wseq(regbase, CL_SEQRF, 0xb0); break; case BT_PICASSO4: case BT_ALPINE: case BT_GD5480: case BT_LAGUNA: - DPRINTK (" (for GD54xx)\n"); + DPRINTK(" (for GD54xx)\n"); /* do nothing */ break; default: - printk (KERN_WARNING "cirrusfb: unknown Board\n"); + printk(KERN_WARNING "cirrusfb: unknown Board\n"); break; } - WGen (cinfo, VGA_PEL_MSK, 0x01); /* pixel mask: pass-through for first plane */ + /* pixel mask: pass-through for first plane */ + WGen(cinfo, VGA_PEL_MSK, 0x01); if (regs.multiplexing) - WHDR (cinfo, 0x4a); /* hidden dac reg: 1280x1024 */ + /* hidden dac reg: 1280x1024 */ + WHDR(cinfo, 0x4a); else - WHDR (cinfo, 0); /* hidden dac: nothing */ - vga_wseq (regbase, VGA_SEQ_MEMORY_MODE, 0x06); /* memory mode: odd/even, ext. memory */ - vga_wseq (regbase, VGA_SEQ_PLANE_WRITE, 0x01); /* plane mask: only write to first plane */ + /* hidden dac: nothing */ + WHDR(cinfo, 0); + /* memory mode: odd/even, ext. memory */ + vga_wseq(regbase, VGA_SEQ_MEMORY_MODE, 0x06); + /* plane mask: only write to first plane */ + vga_wseq(regbase, VGA_SEQ_PLANE_WRITE, 0x01); offset = var->xres_virtual / 16; } @@ -1259,7 +1282,7 @@ static int cirrusfb_set_par_foo (struct fb_info *info) */ else if (var->bits_per_pixel == 8) { - DPRINTK ("cirrusfb: preparing for 8 bit deep display\n"); + DPRINTK("cirrusfb: preparing for 8 bit deep display\n"); switch (cinfo->btype) { case BT_SD64: case BT_PICCOLO: @@ -1268,75 +1291,89 @@ static int cirrusfb_set_par_foo (struct fb_info *info) case BT_PICASSO4: case BT_ALPINE: case BT_GD5480: - DPRINTK (" (for GD54xx)\n"); - vga_wseq (regbase, CL_SEQR7, + DPRINTK(" (for GD54xx)\n"); + vga_wseq(regbase, CL_SEQR7, regs.multiplexing ? bi->sr07_8bpp_mux : bi->sr07_8bpp); break; case BT_LAGUNA: - DPRINTK (" (for GD546x)\n"); - vga_wseq (regbase, CL_SEQR7, - vga_rseq (regbase, CL_SEQR7) | 0x01); + DPRINTK(" (for GD546x)\n"); + vga_wseq(regbase, CL_SEQR7, + vga_rseq(regbase, CL_SEQR7) | 0x01); break; default: - printk (KERN_WARNING "cirrusfb: unknown Board\n"); + printk(KERN_WARNING "cirrusfb: unknown Board\n"); break; } switch (cinfo->btype) { case BT_SD64: - vga_wseq (regbase, CL_SEQR1F, 0x1d); /* MCLK select */ + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x1d); break; case BT_PICCOLO: - vga_wseq (regbase, CL_SEQR1F, 0x22); /* ### vorher 1c MCLK select */ - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ + /* ### vorher 1c MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); break; case BT_PICASSO: - vga_wseq (regbase, CL_SEQR1F, 0x22); /* ### vorher 1c MCLK select */ - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ + /* ### vorher 1c MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); break; case BT_SPECTRUM: - vga_wseq (regbase, CL_SEQR1F, 0x22); /* ### vorher 1c MCLK select */ - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ + /* ### vorher 1c MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); break; case BT_PICASSO4: #ifdef CONFIG_ZORRO - vga_wseq (regbase, CL_SEQRF, 0xb8); /* ### INCOMPLETE!! */ + /* ### INCOMPLETE!! */ + vga_wseq(regbase, CL_SEQRF, 0xb8); #endif -/* vga_wseq (regbase, CL_SEQR1F, 0x1c); */ +/* vga_wseq(regbase, CL_SEQR1F, 0x1c); */ break; case BT_ALPINE: - DPRINTK (" (for GD543x)\n"); - cirrusfb_set_mclk (cinfo, regs.mclk, regs.divMCLK); + DPRINTK(" (for GD543x)\n"); + cirrusfb_set_mclk(cinfo, regs.mclk, regs.divMCLK); /* We already set SRF and SR1F */ break; case BT_GD5480: case BT_LAGUNA: - DPRINTK (" (for GD54xx)\n"); + DPRINTK(" (for GD54xx)\n"); /* do nothing */ break; default: - printk (KERN_WARNING "cirrusfb: unknown Board\n"); + printk(KERN_WARNING "cirrusfb: unknown Board\n"); break; } - vga_wgfx (regbase, VGA_GFX_MODE, 64); /* mode register: 256 color mode */ - WGen (cinfo, VGA_PEL_MSK, 0xff); /* pixel mask: pass-through all planes */ + /* mode register: 256 color mode */ + vga_wgfx(regbase, VGA_GFX_MODE, 64); + /* pixel mask: pass-through all planes */ + WGen(cinfo, VGA_PEL_MSK, 0xff); if (regs.multiplexing) - WHDR (cinfo, 0x4a); /* hidden dac reg: 1280x1024 */ + /* hidden dac reg: 1280x1024 */ + WHDR(cinfo, 0x4a); else - WHDR (cinfo, 0); /* hidden dac: nothing */ - vga_wseq (regbase, VGA_SEQ_MEMORY_MODE, 0x0a); /* memory mode: chain4, ext. memory */ - vga_wseq (regbase, VGA_SEQ_PLANE_WRITE, 0xff); /* plane mask: enable writing to all 4 planes */ + /* hidden dac: nothing */ + WHDR(cinfo, 0); + /* memory mode: chain4, ext. memory */ + vga_wseq(regbase, VGA_SEQ_MEMORY_MODE, 0x0a); + /* plane mask: enable writing to all 4 planes */ + vga_wseq(regbase, VGA_SEQ_PLANE_WRITE, 0xff); offset = var->xres_virtual / 8; } @@ -1347,72 +1384,84 @@ static int cirrusfb_set_par_foo (struct fb_info *info) */ else if (var->bits_per_pixel == 16) { - DPRINTK ("cirrusfb: preparing for 16 bit deep display\n"); + DPRINTK("cirrusfb: preparing for 16 bit deep display\n"); switch (cinfo->btype) { case BT_SD64: - vga_wseq (regbase, CL_SEQR7, 0xf7); /* Extended Sequencer Mode: 256c col. mode */ - vga_wseq (regbase, CL_SEQR1F, 0x1e); /* MCLK select */ + /* Extended Sequencer Mode: 256c col. mode */ + vga_wseq(regbase, CL_SEQR7, 0xf7); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x1e); break; case BT_PICCOLO: - vga_wseq (regbase, CL_SEQR7, 0x87); - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ - vga_wseq (regbase, CL_SEQR1F, 0x22); /* MCLK select */ + vga_wseq(regbase, CL_SEQR7, 0x87); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); break; case BT_PICASSO: - vga_wseq (regbase, CL_SEQR7, 0x27); - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ - vga_wseq (regbase, CL_SEQR1F, 0x22); /* MCLK select */ + vga_wseq(regbase, CL_SEQR7, 0x27); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); break; case BT_SPECTRUM: - vga_wseq (regbase, CL_SEQR7, 0x87); - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ - vga_wseq (regbase, CL_SEQR1F, 0x22); /* MCLK select */ + vga_wseq(regbase, CL_SEQR7, 0x87); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); break; case BT_PICASSO4: - vga_wseq (regbase, CL_SEQR7, 0x27); -/* vga_wseq (regbase, CL_SEQR1F, 0x1c); */ + vga_wseq(regbase, CL_SEQR7, 0x27); +/* vga_wseq(regbase, CL_SEQR1F, 0x1c); */ break; case BT_ALPINE: - DPRINTK (" (for GD543x)\n"); + DPRINTK(" (for GD543x)\n"); if (regs.HorizRes >= 1024) - vga_wseq (regbase, CL_SEQR7, 0xa7); + vga_wseq(regbase, CL_SEQR7, 0xa7); else - vga_wseq (regbase, CL_SEQR7, 0xa3); - cirrusfb_set_mclk (cinfo, regs.mclk, regs.divMCLK); + vga_wseq(regbase, CL_SEQR7, 0xa3); + cirrusfb_set_mclk(cinfo, regs.mclk, regs.divMCLK); break; case BT_GD5480: - DPRINTK (" (for GD5480)\n"); - vga_wseq (regbase, CL_SEQR7, 0x17); + DPRINTK(" (for GD5480)\n"); + vga_wseq(regbase, CL_SEQR7, 0x17); /* We already set SRF and SR1F */ break; case BT_LAGUNA: - DPRINTK (" (for GD546x)\n"); - vga_wseq (regbase, CL_SEQR7, - vga_rseq (regbase, CL_SEQR7) & ~0x01); + DPRINTK(" (for GD546x)\n"); + vga_wseq(regbase, CL_SEQR7, + vga_rseq(regbase, CL_SEQR7) & ~0x01); break; default: - printk (KERN_WARNING "CIRRUSFB: unknown Board\n"); + printk(KERN_WARNING "CIRRUSFB: unknown Board\n"); break; } - vga_wgfx (regbase, VGA_GFX_MODE, 64); /* mode register: 256 color mode */ - WGen (cinfo, VGA_PEL_MSK, 0xff); /* pixel mask: pass-through all planes */ + /* mode register: 256 color mode */ + vga_wgfx(regbase, VGA_GFX_MODE, 64); + /* pixel mask: pass-through all planes */ + WGen(cinfo, VGA_PEL_MSK, 0xff); #ifdef CONFIG_PCI - WHDR (cinfo, 0xc0); /* Copy Xbh */ + WHDR(cinfo, 0xc0); /* Copy Xbh */ #elif defined(CONFIG_ZORRO) /* FIXME: CONFIG_PCI and CONFIG_ZORRO may be defined both */ - WHDR (cinfo, 0xa0); /* hidden dac reg: nothing special */ + WHDR(cinfo, 0xa0); /* hidden dac reg: nothing special */ #endif - vga_wseq (regbase, VGA_SEQ_MEMORY_MODE, 0x0a); /* memory mode: chain4, ext. memory */ - vga_wseq (regbase, VGA_SEQ_PLANE_WRITE, 0xff); /* plane mask: enable writing to all 4 planes */ + /* memory mode: chain4, ext. memory */ + vga_wseq(regbase, VGA_SEQ_MEMORY_MODE, 0x0a); + /* plane mask: enable writing to all 4 planes */ + vga_wseq(regbase, VGA_SEQ_PLANE_WRITE, 0xff); offset = var->xres_virtual / 4; } @@ -1423,64 +1472,77 @@ static int cirrusfb_set_par_foo (struct fb_info *info) */ else if (var->bits_per_pixel == 32) { - DPRINTK ("cirrusfb: preparing for 24/32 bit deep display\n"); + DPRINTK("cirrusfb: preparing for 24/32 bit deep display\n"); switch (cinfo->btype) { case BT_SD64: - vga_wseq (regbase, CL_SEQR7, 0xf9); /* Extended Sequencer Mode: 256c col. mode */ - vga_wseq (regbase, CL_SEQR1F, 0x1e); /* MCLK select */ + /* Extended Sequencer Mode: 256c col. mode */ + vga_wseq(regbase, CL_SEQR7, 0xf9); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x1e); break; case BT_PICCOLO: - vga_wseq (regbase, CL_SEQR7, 0x85); - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ - vga_wseq (regbase, CL_SEQR1F, 0x22); /* MCLK select */ + vga_wseq(regbase, CL_SEQR7, 0x85); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); break; case BT_PICASSO: - vga_wseq (regbase, CL_SEQR7, 0x25); - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ - vga_wseq (regbase, CL_SEQR1F, 0x22); /* MCLK select */ + vga_wseq(regbase, CL_SEQR7, 0x25); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); break; case BT_SPECTRUM: - vga_wseq (regbase, CL_SEQR7, 0x85); - vga_wseq (regbase, CL_SEQRF, 0xb0); /* Fast Page-Mode writes */ - vga_wseq (regbase, CL_SEQR1F, 0x22); /* MCLK select */ + vga_wseq(regbase, CL_SEQR7, 0x85); + /* Fast Page-Mode writes */ + vga_wseq(regbase, CL_SEQRF, 0xb0); + /* MCLK select */ + vga_wseq(regbase, CL_SEQR1F, 0x22); break; case BT_PICASSO4: - vga_wseq (regbase, CL_SEQR7, 0x25); -/* vga_wseq (regbase, CL_SEQR1F, 0x1c); */ + vga_wseq(regbase, CL_SEQR7, 0x25); +/* vga_wseq(regbase, CL_SEQR1F, 0x1c); */ break; case BT_ALPINE: - DPRINTK (" (for GD543x)\n"); - vga_wseq (regbase, CL_SEQR7, 0xa9); - cirrusfb_set_mclk (cinfo, regs.mclk, regs.divMCLK); + DPRINTK(" (for GD543x)\n"); + vga_wseq(regbase, CL_SEQR7, 0xa9); + cirrusfb_set_mclk(cinfo, regs.mclk, regs.divMCLK); break; case BT_GD5480: - DPRINTK (" (for GD5480)\n"); - vga_wseq (regbase, CL_SEQR7, 0x19); + DPRINTK(" (for GD5480)\n"); + vga_wseq(regbase, CL_SEQR7, 0x19); /* We already set SRF and SR1F */ break; case BT_LAGUNA: - DPRINTK (" (for GD546x)\n"); - vga_wseq (regbase, CL_SEQR7, - vga_rseq (regbase, CL_SEQR7) & ~0x01); + DPRINTK(" (for GD546x)\n"); + vga_wseq(regbase, CL_SEQR7, + vga_rseq(regbase, CL_SEQR7) & ~0x01); break; default: - printk (KERN_WARNING "cirrusfb: unknown Board\n"); + printk(KERN_WARNING "cirrusfb: unknown Board\n"); break; } - vga_wgfx (regbase, VGA_GFX_MODE, 64); /* mode register: 256 color mode */ - WGen (cinfo, VGA_PEL_MSK, 0xff); /* pixel mask: pass-through all planes */ - WHDR (cinfo, 0xc5); /* hidden dac reg: 8-8-8 mode (24 or 32) */ - vga_wseq (regbase, VGA_SEQ_MEMORY_MODE, 0x0a); /* memory mode: chain4, ext. memory */ - vga_wseq (regbase, VGA_SEQ_PLANE_WRITE, 0xff); /* plane mask: enable writing to all 4 planes */ + /* mode register: 256 color mode */ + vga_wgfx(regbase, VGA_GFX_MODE, 64); + /* pixel mask: pass-through all planes */ + WGen(cinfo, VGA_PEL_MSK, 0xff); + /* hidden dac reg: 8-8-8 mode (24 or 32) */ + WHDR(cinfo, 0xc5); + /* memory mode: chain4, ext. memory */ + vga_wseq(regbase, VGA_SEQ_MEMORY_MODE, 0x0a); + /* plane mask: enable writing to all 4 planes */ + vga_wseq(regbase, VGA_SEQ_PLANE_WRITE, 0xff); offset = var->xres_virtual / 4; } @@ -1490,48 +1552,67 @@ static int cirrusfb_set_par_foo (struct fb_info *info) * */ - else { - printk (KERN_ERR "cirrusfb: What's this?? requested color depth == %d.\n", + else + printk(KERN_ERR "cirrusfb: What's this?? " + " requested color depth == %d.\n", var->bits_per_pixel); - } - vga_wcrt (regbase, VGA_CRTC_OFFSET, offset & 0xff); + vga_wcrt(regbase, VGA_CRTC_OFFSET, offset & 0xff); tmp = 0x22; if (offset & 0x100) tmp |= 0x10; /* offset overflow bit */ - vga_wcrt (regbase, CL_CRT1B, tmp); /* screen start addr #16-18, fastpagemode cycles */ + /* screen start addr #16-18, fastpagemode cycles */ + vga_wcrt(regbase, CL_CRT1B, tmp); if (cinfo->btype == BT_SD64 || cinfo->btype == BT_PICASSO4 || cinfo->btype == BT_ALPINE || cinfo->btype == BT_GD5480) - vga_wcrt (regbase, CL_CRT1D, 0x00); /* screen start address bit 19 */ - - vga_wcrt (regbase, VGA_CRTC_CURSOR_HI, 0); /* text cursor location high */ - vga_wcrt (regbase, VGA_CRTC_CURSOR_LO, 0); /* text cursor location low */ - vga_wcrt (regbase, VGA_CRTC_UNDERLINE, 0); /* underline row scanline = at very bottom */ - - vga_wattr (regbase, VGA_ATC_MODE, 1); /* controller mode */ - vga_wattr (regbase, VGA_ATC_OVERSCAN, 0); /* overscan (border) color */ - vga_wattr (regbase, VGA_ATC_PLANE_ENABLE, 15); /* color plane enable */ - vga_wattr (regbase, CL_AR33, 0); /* pixel panning */ - vga_wattr (regbase, VGA_ATC_COLOR_PAGE, 0); /* color select */ + /* screen start address bit 19 */ + vga_wcrt(regbase, CL_CRT1D, 0x00); + + /* text cursor location high */ + vga_wcrt(regbase, VGA_CRTC_CURSOR_HI, 0); + /* text cursor location low */ + vga_wcrt(regbase, VGA_CRTC_CURSOR_LO, 0); + /* underline row scanline = at very bottom */ + vga_wcrt(regbase, VGA_CRTC_UNDERLINE, 0); + + /* controller mode */ + vga_wattr(regbase, VGA_ATC_MODE, 1); + /* overscan (border) color */ + vga_wattr(regbase, VGA_ATC_OVERSCAN, 0); + /* color plane enable */ + vga_wattr(regbase, VGA_ATC_PLANE_ENABLE, 15); + /* pixel panning */ + vga_wattr(regbase, CL_AR33, 0); + /* color select */ + vga_wattr(regbase, VGA_ATC_COLOR_PAGE, 0); /* [ EGS: SetOffset(); ] */ /* From SetOffset(): Turn on VideoEnable bit in Attribute controller */ - AttrOn (cinfo); - - vga_wgfx (regbase, VGA_GFX_SR_VALUE, 0); /* set/reset register */ - vga_wgfx (regbase, VGA_GFX_SR_ENABLE, 0); /* set/reset enable */ - vga_wgfx (regbase, VGA_GFX_COMPARE_VALUE, 0); /* color compare */ - vga_wgfx (regbase, VGA_GFX_DATA_ROTATE, 0); /* data rotate */ - vga_wgfx (regbase, VGA_GFX_PLANE_READ, 0); /* read map select */ - vga_wgfx (regbase, VGA_GFX_MISC, 1); /* miscellaneous register */ - vga_wgfx (regbase, VGA_GFX_COMPARE_MASK, 15); /* color don't care */ - vga_wgfx (regbase, VGA_GFX_BIT_MASK, 255); /* bit mask */ - - vga_wseq (regbase, CL_SEQR12, 0x0); /* graphics cursor attributes: nothing special */ + AttrOn(cinfo); + + /* set/reset register */ + vga_wgfx(regbase, VGA_GFX_SR_VALUE, 0); + /* set/reset enable */ + vga_wgfx(regbase, VGA_GFX_SR_ENABLE, 0); + /* color compare */ + vga_wgfx(regbase, VGA_GFX_COMPARE_VALUE, 0); + /* data rotate */ + vga_wgfx(regbase, VGA_GFX_DATA_ROTATE, 0); + /* read map select */ + vga_wgfx(regbase, VGA_GFX_PLANE_READ, 0); + /* miscellaneous register */ + vga_wgfx(regbase, VGA_GFX_MISC, 1); + /* color don't care */ + vga_wgfx(regbase, VGA_GFX_COMPARE_MASK, 15); + /* bit mask */ + vga_wgfx(regbase, VGA_GFX_BIT_MASK, 255); + + /* graphics cursor attributes: nothing special */ + vga_wseq(regbase, CL_SEQR12, 0x0); /* finally, turn on everything - turn off "FullBandwidth" bit */ /* also, set "DotClock%2" bit where requested */ @@ -1542,8 +1623,8 @@ static int cirrusfb_set_par_foo (struct fb_info *info) tmp |= 0x08; */ - vga_wseq (regbase, VGA_SEQ_CLOCK_MODE, tmp); - DPRINTK ("CL_SEQR1: %d\n", tmp); + vga_wseq(regbase, VGA_SEQ_CLOCK_MODE, tmp); + DPRINTK("CL_SEQR1: %d\n", tmp); cinfo->currentmode = regs; info->fix.type = regs.type; @@ -1551,27 +1632,27 @@ static int cirrusfb_set_par_foo (struct fb_info *info) info->fix.line_length = regs.line_length; /* pan to requested offset */ - cirrusfb_pan_display (var, info); + cirrusfb_pan_display(var, info); #ifdef CIRRUSFB_DEBUG - cirrusfb_dump (); + cirrusfb_dump(); #endif - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); return 0; } /* for some reason incomprehensible to me, cirrusfb requires that you write * the registers twice for the settings to take..grr. -dte */ -static int cirrusfb_set_par (struct fb_info *info) +static int cirrusfb_set_par(struct fb_info *info) { - cirrusfb_set_par_foo (info); - return cirrusfb_set_par_foo (info); + cirrusfb_set_par_foo(info); + return cirrusfb_set_par_foo(info); } -static int cirrusfb_setcolreg (unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) +static int cirrusfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, + struct fb_info *info) { struct cirrusfb_info *cinfo = info->par; @@ -1584,23 +1665,23 @@ static int cirrusfb_setcolreg (unsigned regno, unsigned red, unsigned green, green >>= (16 - info->var.green.length); blue >>= (16 - info->var.blue.length); - if (regno>=16) + if (regno >= 16) return 1; v = (red << info->var.red.offset) | (green << info->var.green.offset) | (blue << info->var.blue.offset); switch (info->var.bits_per_pixel) { - case 8: - cinfo->pseudo_palette[regno] = v; - break; - case 16: - cinfo->pseudo_palette[regno] = v; - break; - case 24: - case 32: - cinfo->pseudo_palette[regno] = v; - break; + case 8: + cinfo->pseudo_palette[regno] = v; + break; + case 16: + cinfo->pseudo_palette[regno] = v; + break; + case 24: + case 32: + cinfo->pseudo_palette[regno] = v; + break; } return 0; } @@ -1609,9 +1690,8 @@ static int cirrusfb_setcolreg (unsigned regno, unsigned red, unsigned green, cinfo->palette[regno].green = green; cinfo->palette[regno].blue = blue; - if (info->var.bits_per_pixel == 8) { - WClut (cinfo, regno, red >> 10, green >> 10, blue >> 10); - } + if (info->var.bits_per_pixel == 8) + WClut(cinfo, regno, red >> 10, green >> 10, blue >> 10); return 0; @@ -1622,8 +1702,8 @@ static int cirrusfb_setcolreg (unsigned regno, unsigned red, unsigned green, performs display panning - provided hardware permits this **************************************************************************/ -static int cirrusfb_pan_display (struct fb_var_screeninfo *var, - struct fb_info *info) +static int cirrusfb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) { int xoffset = 0; int yoffset = 0; @@ -1631,8 +1711,8 @@ static int cirrusfb_pan_display (struct fb_var_screeninfo *var, unsigned char tmp = 0, tmp2 = 0, xpix; struct cirrusfb_info *cinfo = info->par; - DPRINTK ("ENTER\n"); - DPRINTK ("virtual offset: (%d,%d)\n", var->xoffset, var->yoffset); + DPRINTK("ENTER\n"); + DPRINTK("virtual offset: (%d,%d)\n", var->xoffset, var->yoffset); /* no range checks for xoffset and yoffset, */ /* as fb_pan_display has already done this */ @@ -1655,11 +1735,13 @@ static int cirrusfb_pan_display (struct fb_var_screeninfo *var, xpix = (unsigned char) ((xoffset % 4) * 2); } - cirrusfb_WaitBLT(cinfo->regbase); /* make sure all the BLT's are done */ + cirrusfb_WaitBLT(cinfo->regbase); /* make sure all the BLT's are done */ /* lower 8 + 8 bits of screen start address */ - vga_wcrt (cinfo->regbase, VGA_CRTC_START_LO, (unsigned char) (base & 0xff)); - vga_wcrt (cinfo->regbase, VGA_CRTC_START_HI, (unsigned char) (base >> 8)); + vga_wcrt(cinfo->regbase, VGA_CRTC_START_LO, + (unsigned char) (base & 0xff)); + vga_wcrt(cinfo->regbase, VGA_CRTC_START_HI, + (unsigned char) (base >> 8)); /* construct bits 16, 17 and 18 of screen start address */ if (base & 0x10000) @@ -1669,50 +1751,53 @@ static int cirrusfb_pan_display (struct fb_var_screeninfo *var, if (base & 0x40000) tmp |= 0x08; - tmp2 = (vga_rcrt (cinfo->regbase, CL_CRT1B) & 0xf2) | tmp; /* 0xf2 is %11110010, exclude tmp bits */ - vga_wcrt (cinfo->regbase, CL_CRT1B, tmp2); + /* 0xf2 is %11110010, exclude tmp bits */ + tmp2 = (vga_rcrt(cinfo->regbase, CL_CRT1B) & 0xf2) | tmp; + vga_wcrt(cinfo->regbase, CL_CRT1B, tmp2); /* construct bit 19 of screen start address */ if (cirrusfb_board_info[cinfo->btype].scrn_start_bit19) { tmp2 = 0; if (base & 0x80000) tmp2 = 0x80; - vga_wcrt (cinfo->regbase, CL_CRT1D, tmp2); + vga_wcrt(cinfo->regbase, CL_CRT1D, tmp2); } - /* write pixel panning value to AR33; this does not quite work in 8bpp */ - /* ### Piccolo..? Will this work? */ + /* write pixel panning value to AR33; this does not quite work in 8bpp + * + * ### Piccolo..? Will this work? + */ if (info->var.bits_per_pixel == 1) - vga_wattr (cinfo->regbase, CL_AR33, xpix); + vga_wattr(cinfo->regbase, CL_AR33, xpix); - cirrusfb_WaitBLT (cinfo->regbase); + cirrusfb_WaitBLT(cinfo->regbase); - DPRINTK ("EXIT\n"); - return (0); + DPRINTK("EXIT\n"); + return 0; } - -static int cirrusfb_blank (int blank_mode, struct fb_info *info) +static int cirrusfb_blank(int blank_mode, struct fb_info *info) { /* - * Blank the screen if blank_mode != 0, else unblank. If blank == NULL - * then the caller blanks by setting the CLUT (Color Look Up Table) to all - * black. Return 0 if blanking succeeded, != 0 if un-/blanking failed due - * to e.g. a video mode which doesn't support it. Implements VESA suspend - * and powerdown modes on hardware that supports disabling hsync/vsync: - * blank_mode == 2: suspend vsync - * blank_mode == 3: suspend hsync - * blank_mode == 4: powerdown + * Blank the screen if blank_mode != 0, else unblank. If blank == NULL + * then the caller blanks by setting the CLUT (Color Look Up Table) + * to all black. Return 0 if blanking succeeded, != 0 if un-/blanking + * failed due to e.g. a video mode which doesn't support it. + * Implements VESA suspend and powerdown modes on hardware that + * supports disabling hsync/vsync: + * blank_mode == 2: suspend vsync + * blank_mode == 3: suspend hsync + * blank_mode == 4: powerdown */ unsigned char val; struct cirrusfb_info *cinfo = info->par; int current_mode = cinfo->blank_mode; - DPRINTK ("ENTER, blank mode = %d\n", blank_mode); + DPRINTK("ENTER, blank mode = %d\n", blank_mode); if (info->state != FBINFO_STATE_RUNNING || current_mode == blank_mode) { - DPRINTK ("EXIT, returning 0\n"); + DPRINTK("EXIT, returning 0\n"); return 0; } @@ -1720,17 +1805,19 @@ static int cirrusfb_blank (int blank_mode, struct fb_info *info) if (current_mode == FB_BLANK_NORMAL || current_mode == FB_BLANK_UNBLANK) { /* unblank the screen */ - val = vga_rseq (cinfo->regbase, VGA_SEQ_CLOCK_MODE); - vga_wseq (cinfo->regbase, VGA_SEQ_CLOCK_MODE, val & 0xdf); /* clear "FullBandwidth" bit */ + val = vga_rseq(cinfo->regbase, VGA_SEQ_CLOCK_MODE); + /* clear "FullBandwidth" bit */ + vga_wseq(cinfo->regbase, VGA_SEQ_CLOCK_MODE, val & 0xdf); /* and undo VESA suspend trickery */ - vga_wgfx (cinfo->regbase, CL_GRE, 0x00); + vga_wgfx(cinfo->regbase, CL_GRE, 0x00); } /* set new */ - if(blank_mode > FB_BLANK_NORMAL) { + if (blank_mode > FB_BLANK_NORMAL) { /* blank the screen */ - val = vga_rseq (cinfo->regbase, VGA_SEQ_CLOCK_MODE); - vga_wseq (cinfo->regbase, VGA_SEQ_CLOCK_MODE, val | 0x20); /* set "FullBandwidth" bit */ + val = vga_rseq(cinfo->regbase, VGA_SEQ_CLOCK_MODE); + /* set "FullBandwidth" bit */ + vga_wseq(cinfo->regbase, VGA_SEQ_CLOCK_MODE, val | 0x20); } switch (blank_mode) { @@ -1738,21 +1825,21 @@ static int cirrusfb_blank (int blank_mode, struct fb_info *info) case FB_BLANK_NORMAL: break; case FB_BLANK_VSYNC_SUSPEND: - vga_wgfx (cinfo->regbase, CL_GRE, 0x04); + vga_wgfx(cinfo->regbase, CL_GRE, 0x04); break; case FB_BLANK_HSYNC_SUSPEND: - vga_wgfx (cinfo->regbase, CL_GRE, 0x02); + vga_wgfx(cinfo->regbase, CL_GRE, 0x02); break; case FB_BLANK_POWERDOWN: - vga_wgfx (cinfo->regbase, CL_GRE, 0x06); + vga_wgfx(cinfo->regbase, CL_GRE, 0x06); break; default: - DPRINTK ("EXIT, returning 1\n"); + DPRINTK("EXIT, returning 1\n"); return 1; } cinfo->blank_mode = blank_mode; - DPRINTK ("EXIT, returning 0\n"); + DPRINTK("EXIT, returning 0\n"); /* Let fbcon do a soft blank for us */ return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0; @@ -1761,45 +1848,50 @@ static int cirrusfb_blank (int blank_mode, struct fb_info *info) /****************************************************************************/ /**** BEGIN Internal Routines ***********************************************/ -static void init_vgachip (struct cirrusfb_info *cinfo) +static void init_vgachip(struct cirrusfb_info *cinfo) { const struct cirrusfb_board_info_rec *bi; - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); - assert (cinfo != NULL); + assert(cinfo != NULL); bi = &cirrusfb_board_info[cinfo->btype]; /* reset board globally */ switch (cinfo->btype) { case BT_PICCOLO: - WSFR (cinfo, 0x01); - udelay (500); - WSFR (cinfo, 0x51); - udelay (500); + WSFR(cinfo, 0x01); + udelay(500); + WSFR(cinfo, 0x51); + udelay(500); break; case BT_PICASSO: - WSFR2 (cinfo, 0xff); - udelay (500); + WSFR2(cinfo, 0xff); + udelay(500); break; case BT_SD64: case BT_SPECTRUM: - WSFR (cinfo, 0x1f); - udelay (500); - WSFR (cinfo, 0x4f); - udelay (500); + WSFR(cinfo, 0x1f); + udelay(500); + WSFR(cinfo, 0x4f); + udelay(500); break; case BT_PICASSO4: - vga_wcrt (cinfo->regbase, CL_CRT51, 0x00); /* disable flickerfixer */ - mdelay (100); - vga_wgfx (cinfo->regbase, CL_GR2F, 0x00); /* from Klaus' NetBSD driver: */ - vga_wgfx (cinfo->regbase, CL_GR33, 0x00); /* put blitter into 542x compat */ - vga_wgfx (cinfo->regbase, CL_GR31, 0x00); /* mode */ + /* disable flickerfixer */ + vga_wcrt(cinfo->regbase, CL_CRT51, 0x00); + mdelay(100); + /* from Klaus' NetBSD driver: */ + vga_wgfx(cinfo->regbase, CL_GR2F, 0x00); + /* put blitter into 542x compat */ + vga_wgfx(cinfo->regbase, CL_GR33, 0x00); + /* mode */ + vga_wgfx(cinfo->regbase, CL_GR31, 0x00); break; case BT_GD5480: - vga_wgfx (cinfo->regbase, CL_GR2F, 0x00); /* from Klaus' NetBSD driver: */ + /* from Klaus' NetBSD driver: */ + vga_wgfx(cinfo->regbase, CL_GR2F, 0x00); break; case BT_ALPINE: @@ -1807,153 +1899,207 @@ static void init_vgachip (struct cirrusfb_info *cinfo) break; default: - printk (KERN_ERR "cirrusfb: Warning: Unknown board type\n"); + printk(KERN_ERR "cirrusfb: Warning: Unknown board type\n"); break; } - assert (cinfo->size > 0); /* make sure RAM size set by this point */ + assert(cinfo->size > 0); /* make sure RAM size set by this point */ /* the P4 is not fully initialized here; I rely on it having been */ /* inited under AmigaOS already, which seems to work just fine */ - /* (Klaus advised to do it this way) */ + /* (Klaus advised to do it this way) */ if (cinfo->btype != BT_PICASSO4) { - WGen (cinfo, CL_VSSM, 0x10); /* EGS: 0x16 */ - WGen (cinfo, CL_POS102, 0x01); - WGen (cinfo, CL_VSSM, 0x08); /* EGS: 0x0e */ + WGen(cinfo, CL_VSSM, 0x10); /* EGS: 0x16 */ + WGen(cinfo, CL_POS102, 0x01); + WGen(cinfo, CL_VSSM, 0x08); /* EGS: 0x0e */ if (cinfo->btype != BT_SD64) - WGen (cinfo, CL_VSSM2, 0x01); + WGen(cinfo, CL_VSSM2, 0x01); - vga_wseq (cinfo->regbase, CL_SEQR0, 0x03); /* reset sequencer logic */ + /* reset sequencer logic */ + vga_wseq(cinfo->regbase, CL_SEQR0, 0x03); - vga_wseq (cinfo->regbase, VGA_SEQ_CLOCK_MODE, 0x21); /* FullBandwidth (video off) and 8/9 dot clock */ - WGen (cinfo, VGA_MIS_W, 0xc1); /* polarity (-/-), disable access to display memory, VGA_CRTC_START_HI base address: color */ + /* FullBandwidth (video off) and 8/9 dot clock */ + vga_wseq(cinfo->regbase, VGA_SEQ_CLOCK_MODE, 0x21); + /* polarity (-/-), disable access to display memory, + * VGA_CRTC_START_HI base address: color + */ + WGen(cinfo, VGA_MIS_W, 0xc1); -/* vga_wgfx (cinfo->regbase, CL_GRA, 0xce); "magic cookie" - doesn't make any sense to me.. */ - vga_wseq (cinfo->regbase, CL_SEQR6, 0x12); /* unlock all extension registers */ + /* "magic cookie" - doesn't make any sense to me.. */ +/* vga_wgfx(cinfo->regbase, CL_GRA, 0xce); */ + /* unlock all extension registers */ + vga_wseq(cinfo->regbase, CL_SEQR6, 0x12); - vga_wgfx (cinfo->regbase, CL_GR31, 0x04); /* reset blitter */ + /* reset blitter */ + vga_wgfx(cinfo->regbase, CL_GR31, 0x04); switch (cinfo->btype) { case BT_GD5480: - vga_wseq (cinfo->regbase, CL_SEQRF, 0x98); + vga_wseq(cinfo->regbase, CL_SEQRF, 0x98); break; case BT_ALPINE: break; case BT_SD64: - vga_wseq (cinfo->regbase, CL_SEQRF, 0xb8); + vga_wseq(cinfo->regbase, CL_SEQRF, 0xb8); break; default: - vga_wseq (cinfo->regbase, CL_SEQR16, 0x0f); - vga_wseq (cinfo->regbase, CL_SEQRF, 0xb0); + vga_wseq(cinfo->regbase, CL_SEQR16, 0x0f); + vga_wseq(cinfo->regbase, CL_SEQRF, 0xb0); break; } } - vga_wseq (cinfo->regbase, VGA_SEQ_PLANE_WRITE, 0xff); /* plane mask: nothing */ - vga_wseq (cinfo->regbase, VGA_SEQ_CHARACTER_MAP, 0x00); /* character map select: doesn't even matter in gx mode */ - vga_wseq (cinfo->regbase, VGA_SEQ_MEMORY_MODE, 0x0e); /* memory mode: chain-4, no odd/even, ext. memory */ + /* plane mask: nothing */ + vga_wseq(cinfo->regbase, VGA_SEQ_PLANE_WRITE, 0xff); + /* character map select: doesn't even matter in gx mode */ + vga_wseq(cinfo->regbase, VGA_SEQ_CHARACTER_MAP, 0x00); + /* memory mode: chain-4, no odd/even, ext. memory */ + vga_wseq(cinfo->regbase, VGA_SEQ_MEMORY_MODE, 0x0e); /* controller-internal base address of video memory */ if (bi->init_sr07) - vga_wseq (cinfo->regbase, CL_SEQR7, bi->sr07); + vga_wseq(cinfo->regbase, CL_SEQR7, bi->sr07); - /* vga_wseq (cinfo->regbase, CL_SEQR8, 0x00); *//* EEPROM control: shouldn't be necessary to write to this at all.. */ + /* vga_wseq(cinfo->regbase, CL_SEQR8, 0x00); */ + /* EEPROM control: shouldn't be necessary to write to this at all.. */ - vga_wseq (cinfo->regbase, CL_SEQR10, 0x00); /* graphics cursor X position (incomplete; position gives rem. 3 bits */ - vga_wseq (cinfo->regbase, CL_SEQR11, 0x00); /* graphics cursor Y position (..."... ) */ - vga_wseq (cinfo->regbase, CL_SEQR12, 0x00); /* graphics cursor attributes */ - vga_wseq (cinfo->regbase, CL_SEQR13, 0x00); /* graphics cursor pattern address */ + /* graphics cursor X position (incomplete; position gives rem. 3 bits */ + vga_wseq(cinfo->regbase, CL_SEQR10, 0x00); + /* graphics cursor Y position (..."... ) */ + vga_wseq(cinfo->regbase, CL_SEQR11, 0x00); + /* graphics cursor attributes */ + vga_wseq(cinfo->regbase, CL_SEQR12, 0x00); + /* graphics cursor pattern address */ + vga_wseq(cinfo->regbase, CL_SEQR13, 0x00); /* writing these on a P4 might give problems.. */ if (cinfo->btype != BT_PICASSO4) { - vga_wseq (cinfo->regbase, CL_SEQR17, 0x00); /* configuration readback and ext. color */ - vga_wseq (cinfo->regbase, CL_SEQR18, 0x02); /* signature generator */ + /* configuration readback and ext. color */ + vga_wseq(cinfo->regbase, CL_SEQR17, 0x00); + /* signature generator */ + vga_wseq(cinfo->regbase, CL_SEQR18, 0x02); } /* MCLK select etc. */ if (bi->init_sr1f) - vga_wseq (cinfo->regbase, CL_SEQR1F, bi->sr1f); - - vga_wcrt (cinfo->regbase, VGA_CRTC_PRESET_ROW, 0x00); /* Screen A preset row scan: none */ - vga_wcrt (cinfo->regbase, VGA_CRTC_CURSOR_START, 0x20); /* Text cursor start: disable text cursor */ - vga_wcrt (cinfo->regbase, VGA_CRTC_CURSOR_END, 0x00); /* Text cursor end: - */ - vga_wcrt (cinfo->regbase, VGA_CRTC_START_HI, 0x00); /* Screen start address high: 0 */ - vga_wcrt (cinfo->regbase, VGA_CRTC_START_LO, 0x00); /* Screen start address low: 0 */ - vga_wcrt (cinfo->regbase, VGA_CRTC_CURSOR_HI, 0x00); /* text cursor location high: 0 */ - vga_wcrt (cinfo->regbase, VGA_CRTC_CURSOR_LO, 0x00); /* text cursor location low: 0 */ - - vga_wcrt (cinfo->regbase, VGA_CRTC_UNDERLINE, 0x00); /* Underline Row scanline: - */ - vga_wcrt (cinfo->regbase, VGA_CRTC_MODE, 0xc3); /* mode control: timing enable, byte mode, no compat modes */ - vga_wcrt (cinfo->regbase, VGA_CRTC_LINE_COMPARE, 0x00); /* Line Compare: not needed */ + vga_wseq(cinfo->regbase, CL_SEQR1F, bi->sr1f); + + /* Screen A preset row scan: none */ + vga_wcrt(cinfo->regbase, VGA_CRTC_PRESET_ROW, 0x00); + /* Text cursor start: disable text cursor */ + vga_wcrt(cinfo->regbase, VGA_CRTC_CURSOR_START, 0x20); + /* Text cursor end: - */ + vga_wcrt(cinfo->regbase, VGA_CRTC_CURSOR_END, 0x00); + /* Screen start address high: 0 */ + vga_wcrt(cinfo->regbase, VGA_CRTC_START_HI, 0x00); + /* Screen start address low: 0 */ + vga_wcrt(cinfo->regbase, VGA_CRTC_START_LO, 0x00); + /* text cursor location high: 0 */ + vga_wcrt(cinfo->regbase, VGA_CRTC_CURSOR_HI, 0x00); + /* text cursor location low: 0 */ + vga_wcrt(cinfo->regbase, VGA_CRTC_CURSOR_LO, 0x00); + + /* Underline Row scanline: - */ + vga_wcrt(cinfo->regbase, VGA_CRTC_UNDERLINE, 0x00); + /* mode control: timing enable, byte mode, no compat modes */ + vga_wcrt(cinfo->regbase, VGA_CRTC_MODE, 0xc3); + /* Line Compare: not needed */ + vga_wcrt(cinfo->regbase, VGA_CRTC_LINE_COMPARE, 0x00); /* ### add 0x40 for text modes with > 30 MHz pixclock */ - vga_wcrt (cinfo->regbase, CL_CRT1B, 0x02); /* ext. display controls: ext.adr. wrap */ - - vga_wgfx (cinfo->regbase, VGA_GFX_SR_VALUE, 0x00); /* Set/Reset registes: - */ - vga_wgfx (cinfo->regbase, VGA_GFX_SR_ENABLE, 0x00); /* Set/Reset enable: - */ - vga_wgfx (cinfo->regbase, VGA_GFX_COMPARE_VALUE, 0x00); /* Color Compare: - */ - vga_wgfx (cinfo->regbase, VGA_GFX_DATA_ROTATE, 0x00); /* Data Rotate: - */ - vga_wgfx (cinfo->regbase, VGA_GFX_PLANE_READ, 0x00); /* Read Map Select: - */ - vga_wgfx (cinfo->regbase, VGA_GFX_MODE, 0x00); /* Mode: conf. for 16/4/2 color mode, no odd/even, read/write mode 0 */ - vga_wgfx (cinfo->regbase, VGA_GFX_MISC, 0x01); /* Miscellaneous: memory map base address, graphics mode */ - vga_wgfx (cinfo->regbase, VGA_GFX_COMPARE_MASK, 0x0f); /* Color Don't care: involve all planes */ - vga_wgfx (cinfo->regbase, VGA_GFX_BIT_MASK, 0xff); /* Bit Mask: no mask at all */ + /* ext. display controls: ext.adr. wrap */ + vga_wcrt(cinfo->regbase, CL_CRT1B, 0x02); + + /* Set/Reset registes: - */ + vga_wgfx(cinfo->regbase, VGA_GFX_SR_VALUE, 0x00); + /* Set/Reset enable: - */ + vga_wgfx(cinfo->regbase, VGA_GFX_SR_ENABLE, 0x00); + /* Color Compare: - */ + vga_wgfx(cinfo->regbase, VGA_GFX_COMPARE_VALUE, 0x00); + /* Data Rotate: - */ + vga_wgfx(cinfo->regbase, VGA_GFX_DATA_ROTATE, 0x00); + /* Read Map Select: - */ + vga_wgfx(cinfo->regbase, VGA_GFX_PLANE_READ, 0x00); + /* Mode: conf. for 16/4/2 color mode, no odd/even, read/write mode 0 */ + vga_wgfx(cinfo->regbase, VGA_GFX_MODE, 0x00); + /* Miscellaneous: memory map base address, graphics mode */ + vga_wgfx(cinfo->regbase, VGA_GFX_MISC, 0x01); + /* Color Don't care: involve all planes */ + vga_wgfx(cinfo->regbase, VGA_GFX_COMPARE_MASK, 0x0f); + /* Bit Mask: no mask at all */ + vga_wgfx(cinfo->regbase, VGA_GFX_BIT_MASK, 0xff); if (cinfo->btype == BT_ALPINE) - vga_wgfx (cinfo->regbase, CL_GRB, 0x20); /* (5434 can't have bit 3 set for bitblt) */ + /* (5434 can't have bit 3 set for bitblt) */ + vga_wgfx(cinfo->regbase, CL_GRB, 0x20); else - vga_wgfx (cinfo->regbase, CL_GRB, 0x28); /* Graphics controller mode extensions: finer granularity, 8byte data latches */ - - vga_wgfx (cinfo->regbase, CL_GRC, 0xff); /* Color Key compare: - */ - vga_wgfx (cinfo->regbase, CL_GRD, 0x00); /* Color Key compare mask: - */ - vga_wgfx (cinfo->regbase, CL_GRE, 0x00); /* Miscellaneous control: - */ - /* vga_wgfx (cinfo->regbase, CL_GR10, 0x00); *//* Background color byte 1: - */ -/* vga_wgfx (cinfo->regbase, CL_GR11, 0x00); */ - - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE0, 0x00); /* Attribute Controller palette registers: "identity mapping" */ - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE1, 0x01); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE2, 0x02); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE3, 0x03); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE4, 0x04); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE5, 0x05); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE6, 0x06); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE7, 0x07); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE8, 0x08); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTE9, 0x09); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTEA, 0x0a); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTEB, 0x0b); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTEC, 0x0c); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTED, 0x0d); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTEE, 0x0e); - vga_wattr (cinfo->regbase, VGA_ATC_PALETTEF, 0x0f); - - vga_wattr (cinfo->regbase, VGA_ATC_MODE, 0x01); /* Attribute Controller mode: graphics mode */ - vga_wattr (cinfo->regbase, VGA_ATC_OVERSCAN, 0x00); /* Overscan color reg.: reg. 0 */ - vga_wattr (cinfo->regbase, VGA_ATC_PLANE_ENABLE, 0x0f); /* Color Plane enable: Enable all 4 planes */ -/* ### vga_wattr (cinfo->regbase, CL_AR33, 0x00); * Pixel Panning: - */ - vga_wattr (cinfo->regbase, VGA_ATC_COLOR_PAGE, 0x00); /* Color Select: - */ - - WGen (cinfo, VGA_PEL_MSK, 0xff); /* Pixel mask: no mask */ + /* Graphics controller mode extensions: finer granularity, + * 8byte data latches + */ + vga_wgfx(cinfo->regbase, CL_GRB, 0x28); + + vga_wgfx(cinfo->regbase, CL_GRC, 0xff); /* Color Key compare: - */ + vga_wgfx(cinfo->regbase, CL_GRD, 0x00); /* Color Key compare mask: - */ + vga_wgfx(cinfo->regbase, CL_GRE, 0x00); /* Miscellaneous control: - */ + /* Background color byte 1: - */ + /* vga_wgfx (cinfo->regbase, CL_GR10, 0x00); */ + /* vga_wgfx (cinfo->regbase, CL_GR11, 0x00); */ + + /* Attribute Controller palette registers: "identity mapping" */ + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE0, 0x00); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE1, 0x01); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE2, 0x02); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE3, 0x03); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE4, 0x04); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE5, 0x05); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE6, 0x06); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE7, 0x07); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE8, 0x08); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTE9, 0x09); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTEA, 0x0a); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTEB, 0x0b); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTEC, 0x0c); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTED, 0x0d); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTEE, 0x0e); + vga_wattr(cinfo->regbase, VGA_ATC_PALETTEF, 0x0f); + + /* Attribute Controller mode: graphics mode */ + vga_wattr(cinfo->regbase, VGA_ATC_MODE, 0x01); + /* Overscan color reg.: reg. 0 */ + vga_wattr(cinfo->regbase, VGA_ATC_OVERSCAN, 0x00); + /* Color Plane enable: Enable all 4 planes */ + vga_wattr(cinfo->regbase, VGA_ATC_PLANE_ENABLE, 0x0f); +/* ### vga_wattr(cinfo->regbase, CL_AR33, 0x00); * Pixel Panning: - */ + /* Color Select: - */ + vga_wattr(cinfo->regbase, VGA_ATC_COLOR_PAGE, 0x00); + + WGen(cinfo, VGA_PEL_MSK, 0xff); /* Pixel mask: no mask */ if (cinfo->btype != BT_ALPINE && cinfo->btype != BT_GD5480) - WGen (cinfo, VGA_MIS_W, 0xc3); /* polarity (-/-), enable display mem, VGA_CRTC_START_HI i/o base = color */ + /* polarity (-/-), enable display mem, + * VGA_CRTC_START_HI i/o base = color + */ + WGen(cinfo, VGA_MIS_W, 0xc3); - vga_wgfx (cinfo->regbase, CL_GR31, 0x04); /* BLT Start/status: Blitter reset */ - vga_wgfx (cinfo->regbase, CL_GR31, 0x00); /* - " - : "end-of-reset" */ + /* BLT Start/status: Blitter reset */ + vga_wgfx(cinfo->regbase, CL_GR31, 0x04); + /* - " - : "end-of-reset" */ + vga_wgfx(cinfo->regbase, CL_GR31, 0x00); /* misc... */ - WHDR (cinfo, 0); /* Hidden DAC register: - */ + WHDR(cinfo, 0); /* Hidden DAC register: - */ - printk (KERN_DEBUG "cirrusfb: This board has %ld bytes of DRAM memory\n", cinfo->size); - DPRINTK ("EXIT\n"); + printk(KERN_DEBUG "cirrusfb: This board has %ld bytes of DRAM memory\n", + cinfo->size); + DPRINTK("EXIT\n"); return; } -static void switch_monitor (struct cirrusfb_info *cinfo, int on) +static void switch_monitor(struct cirrusfb_info *cinfo, int on) { #ifdef CONFIG_ZORRO /* only works on Zorro boards */ static int IsOn = 0; /* XXX not ok for multiple boards */ - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); if (cinfo->btype == BT_PICASSO4) return; /* nothing to switch */ @@ -1963,44 +2109,43 @@ static void switch_monitor (struct cirrusfb_info *cinfo, int on) return; /* nothing to switch */ if (cinfo->btype == BT_PICASSO) { if ((on && !IsOn) || (!on && IsOn)) - WSFR (cinfo, 0xff); + WSFR(cinfo, 0xff); - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); return; } if (on) { switch (cinfo->btype) { case BT_SD64: - WSFR (cinfo, cinfo->SFR | 0x21); + WSFR(cinfo, cinfo->SFR | 0x21); break; case BT_PICCOLO: - WSFR (cinfo, cinfo->SFR | 0x28); + WSFR(cinfo, cinfo->SFR | 0x28); break; case BT_SPECTRUM: - WSFR (cinfo, 0x6f); + WSFR(cinfo, 0x6f); break; default: /* do nothing */ break; } } else { switch (cinfo->btype) { case BT_SD64: - WSFR (cinfo, cinfo->SFR & 0xde); + WSFR(cinfo, cinfo->SFR & 0xde); break; case BT_PICCOLO: - WSFR (cinfo, cinfo->SFR & 0xd7); + WSFR(cinfo, cinfo->SFR & 0xd7); break; case BT_SPECTRUM: - WSFR (cinfo, 0x4f); + WSFR(cinfo, 0x4f); break; default: /* do nothing */ break; } } - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); #endif /* CONFIG_ZORRO */ } - /******************************************/ /* Linux 2.6-style accelerated functions */ /******************************************/ @@ -2012,15 +2157,17 @@ static void cirrusfb_prim_fillrect(struct cirrusfb_info *cinfo, u32 color = (cinfo->info->fix.visual == FB_VISUAL_TRUECOLOR) ? cinfo->pseudo_palette[region->color] : region->color; - if(cinfo->info->var.bits_per_pixel == 1) { - cirrusfb_RectFill(cinfo->regbase, cinfo->info->var.bits_per_pixel, + if (cinfo->info->var.bits_per_pixel == 1) { + cirrusfb_RectFill(cinfo->regbase, + cinfo->info->var.bits_per_pixel, region->dx / 8, region->dy, region->width / 8, region->height, color, cinfo->currentmode.line_length); } else { - m = ( cinfo->info->var.bits_per_pixel + 7 ) / 8; - cirrusfb_RectFill(cinfo->regbase, cinfo->info->var.bits_per_pixel, + m = (cinfo->info->var.bits_per_pixel + 7) / 8; + cirrusfb_RectFill(cinfo->regbase, + cinfo->info->var.bits_per_pixel, region->dx * m, region->dy, region->width * m, region->height, color, @@ -2029,7 +2176,8 @@ static void cirrusfb_prim_fillrect(struct cirrusfb_info *cinfo, return; } -static void cirrusfb_fillrect (struct fb_info *info, const struct fb_fillrect *region) +static void cirrusfb_fillrect(struct fb_info *info, + const struct fb_fillrect *region) { struct cirrusfb_info *cinfo = info->par; struct fb_fillrect modded; @@ -2047,12 +2195,14 @@ static void cirrusfb_fillrect (struct fb_info *info, const struct fb_fillrect *r memcpy(&modded, region, sizeof(struct fb_fillrect)); - if(!modded.width || !modded.height || + if (!modded.width || !modded.height || modded.dx >= vxres || modded.dy >= vyres) return; - if(modded.dx + modded.width > vxres) modded.width = vxres - modded.dx; - if(modded.dy + modded.height > vyres) modded.height = vyres - modded.dy; + if (modded.dx + modded.width > vxres) + modded.width = vxres - modded.dx; + if (modded.dy + modded.height > vyres) + modded.height = vyres - modded.dy; cirrusfb_prim_fillrect(cinfo, &modded); } @@ -2061,14 +2211,14 @@ static void cirrusfb_prim_copyarea(struct cirrusfb_info *cinfo, const struct fb_copyarea *area) { int m; /* bytes per pixel */ - if(cinfo->info->var.bits_per_pixel == 1) { + if (cinfo->info->var.bits_per_pixel == 1) { cirrusfb_BitBLT(cinfo->regbase, cinfo->info->var.bits_per_pixel, area->sx / 8, area->sy, area->dx / 8, area->dy, area->width / 8, area->height, cinfo->currentmode.line_length); } else { - m = ( cinfo->info->var.bits_per_pixel + 7 ) / 8; + m = (cinfo->info->var.bits_per_pixel + 7) / 8; cirrusfb_BitBLT(cinfo->regbase, cinfo->info->var.bits_per_pixel, area->sx * m, area->sy, area->dx * m, area->dy, @@ -2078,8 +2228,8 @@ static void cirrusfb_prim_copyarea(struct cirrusfb_info *cinfo, return; } - -static void cirrusfb_copyarea(struct fb_info *info, const struct fb_copyarea *area) +static void cirrusfb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) { struct cirrusfb_info *cinfo = info->par; struct fb_copyarea modded; @@ -2101,89 +2251,99 @@ static void cirrusfb_copyarea(struct fb_info *info, const struct fb_copyarea *ar vxres = info->var.xres_virtual; vyres = info->var.yres_virtual; - if(!modded.width || !modded.height || + if (!modded.width || !modded.height || modded.sx >= vxres || modded.sy >= vyres || modded.dx >= vxres || modded.dy >= vyres) return; - if(modded.sx + modded.width > vxres) modded.width = vxres - modded.sx; - if(modded.dx + modded.width > vxres) modded.width = vxres - modded.dx; - if(modded.sy + modded.height > vyres) modded.height = vyres - modded.sy; - if(modded.dy + modded.height > vyres) modded.height = vyres - modded.dy; + if (modded.sx + modded.width > vxres) + modded.width = vxres - modded.sx; + if (modded.dx + modded.width > vxres) + modded.width = vxres - modded.dx; + if (modded.sy + modded.height > vyres) + modded.height = vyres - modded.sy; + if (modded.dy + modded.height > vyres) + modded.height = vyres - modded.dy; cirrusfb_prim_copyarea(cinfo, &modded); } -static void cirrusfb_imageblit(struct fb_info *info, const struct fb_image *image) +static void cirrusfb_imageblit(struct fb_info *info, + const struct fb_image *image) { struct cirrusfb_info *cinfo = info->par; - cirrusfb_WaitBLT(cinfo->regbase); + cirrusfb_WaitBLT(cinfo->regbase); cfb_imageblit(info, image); } - #ifdef CONFIG_PPC_PREP #define PREP_VIDEO_BASE ((volatile unsigned long) 0xC0000000) #define PREP_IO_BASE ((volatile unsigned char *) 0x80000000) -static void get_prep_addrs (unsigned long *display, unsigned long *registers) +static void get_prep_addrs(unsigned long *display, unsigned long *registers) { - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); *display = PREP_VIDEO_BASE; *registers = (unsigned long) PREP_IO_BASE; - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } #endif /* CONFIG_PPC_PREP */ - #ifdef CONFIG_PCI -static int release_io_ports = 0; +static int release_io_ports; /* Pulled the logic from XFree86 Cirrus driver to get the memory size, * based on the DRAM bandwidth bit and DRAM bank switching bit. This * works with 1MB, 2MB and 4MB configurations (which the Motorola boards * seem to have. */ -static unsigned int cirrusfb_get_memsize (u8 __iomem *regbase) +static unsigned int cirrusfb_get_memsize(u8 __iomem *regbase) { unsigned long mem; unsigned char SRF; - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); - SRF = vga_rseq (regbase, CL_SEQRF); + SRF = vga_rseq(regbase, CL_SEQRF); switch ((SRF & 0x18)) { - case 0x08: mem = 512 * 1024; break; - case 0x10: mem = 1024 * 1024; break; - /* 64-bit DRAM data bus width; assume 2MB. Also indicates 2MB memory - * on the 5430. */ - case 0x18: mem = 2048 * 1024; break; - default: printk ("CLgenfb: Unknown memory size!\n"); + case 0x08: + mem = 512 * 1024; + break; + case 0x10: + mem = 1024 * 1024; + break; + /* 64-bit DRAM data bus width; assume 2MB. Also indicates 2MB memory + * on the 5430. + */ + case 0x18: + mem = 2048 * 1024; + break; + default: + printk(KERN_WARNING "CLgenfb: Unknown memory size!\n"); mem = 1024 * 1024; } - if (SRF & 0x80) { - /* If DRAM bank switching is enabled, there must be twice as much - * memory installed. (4MB on the 5434) */ + if (SRF & 0x80) + /* If DRAM bank switching is enabled, there must be twice as much + * memory installed. (4MB on the 5434) + */ mem *= 2; - } + /* TODO: Handling of GD5446/5480 (see XF86 sources ...) */ - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); return mem; } - - -static void get_pci_addrs (const struct pci_dev *pdev, - unsigned long *display, unsigned long *registers) +static void get_pci_addrs(const struct pci_dev *pdev, + unsigned long *display, unsigned long *registers) { - assert (pdev != NULL); - assert (display != NULL); - assert (registers != NULL); + assert(pdev != NULL); + assert(display != NULL); + assert(registers != NULL); - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); *display = 0; *registers = 0; @@ -2198,13 +2358,12 @@ static void get_pci_addrs (const struct pci_dev *pdev, *registers = pci_resource_start(pdev, 1); } - assert (*display != 0); + assert(*display != 0); - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } - -static void cirrusfb_pci_unmap (struct cirrusfb_info *cinfo) +static void cirrusfb_pci_unmap(struct cirrusfb_info *cinfo) { struct pci_dev *pdev = cinfo->pdev; @@ -2219,19 +2378,18 @@ static void cirrusfb_pci_unmap (struct cirrusfb_info *cinfo) } #endif /* CONFIG_PCI */ - #ifdef CONFIG_ZORRO -static void __devexit cirrusfb_zorro_unmap (struct cirrusfb_info *cinfo) +static void __devexit cirrusfb_zorro_unmap(struct cirrusfb_info *cinfo) { zorro_release_device(cinfo->zdev); if (cinfo->btype == BT_PICASSO4) { cinfo->regbase -= 0x600000; - iounmap ((void *)cinfo->regbase); - iounmap ((void *)cinfo->fbmem); + iounmap((void *)cinfo->regbase); + iounmap((void *)cinfo->fbmem); } else { if (zorro_resource_start(cinfo->zdev) > 0x01000000) - iounmap ((void *)cinfo->fbmem); + iounmap((void *)cinfo->fbmem); } framebuffer_release(cinfo->info); } @@ -2267,7 +2425,8 @@ static int cirrusfb_set_fbinfo(struct cirrusfb_info *cinfo) /* monochrome: only 1 memory plane */ /* 8 bit and above: Use whole memory area */ info->fix.smem_start = cinfo->fbmem_phys; - info->fix.smem_len = (var->bits_per_pixel == 1) ? cinfo->size / 4 : cinfo->size; + info->fix.smem_len = + (var->bits_per_pixel == 1) ? cinfo->size / 4 : cinfo->size; info->fix.type = cinfo->currentmode.type; info->fix.type_aux = 0; info->fix.visual = cinfo->currentmode.visual; @@ -2292,17 +2451,18 @@ static int cirrusfb_register(struct cirrusfb_info *cinfo) int err; cirrusfb_board_t btype; - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); - printk (KERN_INFO "cirrusfb: Driver for Cirrus Logic based graphic boards, v" CIRRUSFB_VERSION "\n"); + printk(KERN_INFO "cirrusfb: Driver for Cirrus Logic based " + "graphic boards, v" CIRRUSFB_VERSION "\n"); info = cinfo->info; btype = cinfo->btype; /* sanity checks */ - assert (btype != BT_NONE); + assert(btype != BT_NONE); - DPRINTK ("cirrusfb: (RAM start set to: 0x%p)\n", cinfo->fbmem); + DPRINTK("cirrusfb: (RAM start set to: 0x%p)\n", cinfo->fbmem); /* Make pretend we've set the var so our structures are in a "good" */ /* state, even though we haven't written the mode to the hw yet... */ @@ -2321,11 +2481,12 @@ static int cirrusfb_register(struct cirrusfb_info *cinfo) err = register_framebuffer(info); if (err < 0) { - printk (KERN_ERR "cirrusfb: could not register fb device; err = %d!\n", err); + printk(KERN_ERR "cirrusfb: could not register " + "fb device; err = %d!\n", err); goto err_dealloc_cmap; } - DPRINTK ("EXIT, returning 0\n"); + DPRINTK("EXIT, returning 0\n"); return 0; err_dealloc_cmap: @@ -2335,24 +2496,23 @@ err_unmap_cirrusfb: return err; } -static void __devexit cirrusfb_cleanup (struct fb_info *info) +static void __devexit cirrusfb_cleanup(struct fb_info *info) { struct cirrusfb_info *cinfo = info->par; - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); - switch_monitor (cinfo, 0); + switch_monitor(cinfo, 0); - unregister_framebuffer (info); - fb_dealloc_cmap (&info->cmap); - printk ("Framebuffer unregistered\n"); + unregister_framebuffer(info); + fb_dealloc_cmap(&info->cmap); + printk("Framebuffer unregistered\n"); cinfo->unmap(cinfo); - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } - #ifdef CONFIG_PCI -static int cirrusfb_pci_register (struct pci_dev *pdev, +static int cirrusfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) { struct cirrusfb_info *cinfo; @@ -2379,31 +2539,34 @@ static int cirrusfb_pci_register (struct pci_dev *pdev, cinfo->pdev = pdev; cinfo->btype = btype = (cirrusfb_board_t) ent->driver_data; - DPRINTK (" Found PCI device, base address 0 is 0x%lx, btype set to %d\n", + DPRINTK(" Found PCI device, base address 0 is 0x%lx, btype set to %d\n", pdev->resource[0].start, btype); - DPRINTK (" base address 1 is 0x%lx\n", pdev->resource[1].start); + DPRINTK(" base address 1 is 0x%lx\n", pdev->resource[1].start); - if(isPReP) { - pci_write_config_dword (pdev, PCI_BASE_ADDRESS_0, 0x00000000); + if (isPReP) { + pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, 0x00000000); #ifdef CONFIG_PPC_PREP - get_prep_addrs (&board_addr, &cinfo->fbregs_phys); + get_prep_addrs(&board_addr, &cinfo->fbregs_phys); #endif - /* PReP dies if we ioremap the IO registers, but it works w/out... */ + /* PReP dies if we ioremap the IO registers, but it works w/out... */ cinfo->regbase = (char __iomem *) cinfo->fbregs_phys; } else { - DPRINTK ("Attempt to get PCI info for Cirrus Graphics Card\n"); - get_pci_addrs (pdev, &board_addr, &cinfo->fbregs_phys); - cinfo->regbase = NULL; /* FIXME: this forces VGA. alternatives? */ + DPRINTK("Attempt to get PCI info for Cirrus Graphics Card\n"); + get_pci_addrs(pdev, &board_addr, &cinfo->fbregs_phys); + /* FIXME: this forces VGA. alternatives? */ + cinfo->regbase = NULL; } - DPRINTK ("Board address: 0x%lx, register address: 0x%lx\n", board_addr, cinfo->fbregs_phys); + DPRINTK("Board address: 0x%lx, register address: 0x%lx\n", + board_addr, cinfo->fbregs_phys); board_size = (btype == BT_GD5480) ? - 32 * MB_ : cirrusfb_get_memsize (cinfo->regbase); + 32 * MB_ : cirrusfb_get_memsize(cinfo->regbase); ret = pci_request_regions(pdev, "cirrusfb"); - if (ret <0) { - printk(KERN_ERR "cirrusfb: cannot reserve region 0x%lx, abort\n", + if (ret < 0) { + printk(KERN_ERR "cirrusfb: cannot reserve region 0x%lx, " + "abort\n", board_addr); goto err_release_fb; } @@ -2429,8 +2592,9 @@ static int cirrusfb_pci_register (struct pci_dev *pdev, cinfo->size = board_size; cinfo->unmap = cirrusfb_pci_unmap; - printk (" RAM (%lu kB) at 0xx%lx, ", cinfo->size / KB_, board_addr); - printk ("Cirrus Logic chipset on PCI bus\n"); + printk(KERN_INFO " RAM (%lu kB) at 0xx%lx, ", + cinfo->size / KB_, board_addr); + printk(KERN_INFO "Cirrus Logic chipset on PCI bus\n"); pci_set_drvdata(pdev, info); ret = cirrusfb_register(cinfo); @@ -2453,14 +2617,14 @@ err_out: return ret; } -static void __devexit cirrusfb_pci_unregister (struct pci_dev *pdev) +static void __devexit cirrusfb_pci_unregister(struct pci_dev *pdev) { struct fb_info *info = pci_get_drvdata(pdev); - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); - cirrusfb_cleanup (info); + cirrusfb_cleanup(info); - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } static struct pci_driver cirrusfb_pci_driver = { @@ -2477,7 +2641,6 @@ static struct pci_driver cirrusfb_pci_driver = { }; #endif /* CONFIG_PCI */ - #ifdef CONFIG_ZORRO static int cirrusfb_zorro_register(struct zorro_dev *z, const struct zorro_device_id *ent) @@ -2498,7 +2661,7 @@ static int cirrusfb_zorro_register(struct zorro_dev *z, info = framebuffer_alloc(sizeof(struct cirrusfb_info), &z->dev); if (!info) { - printk (KERN_ERR "cirrusfb: could not allocate memory\n"); + printk(KERN_ERR "cirrusfb: could not allocate memory\n"); ret = -ENOMEM; goto err_out; } @@ -2507,9 +2670,9 @@ static int cirrusfb_zorro_register(struct zorro_dev *z, cinfo->info = info; cinfo->btype = btype; - assert (z > 0); - assert (z2 >= 0); - assert (btype != BT_NONE); + assert(z > 0); + assert(z2 >= 0); + assert(btype != BT_NONE); cinfo->zdev = z; board_addr = zorro_resource_start(z); @@ -2517,55 +2680,59 @@ static int cirrusfb_zorro_register(struct zorro_dev *z, cinfo->size = size; if (!zorro_request_device(z, "cirrusfb")) { - printk(KERN_ERR "cirrusfb: cannot reserve region 0x%lx, abort\n", + printk(KERN_ERR "cirrusfb: cannot reserve region 0x%lx, " + "abort\n", board_addr); ret = -EBUSY; goto err_release_fb; } - printk (" RAM (%lu MB) at $%lx, ", board_size / MB_, board_addr); + printk(" RAM (%lu MB) at $%lx, ", board_size / MB_, board_addr); ret = -EIO; if (btype == BT_PICASSO4) { - printk (" REG at $%lx\n", board_addr + 0x600000); + printk(KERN_INFO " REG at $%lx\n", board_addr + 0x600000); /* To be precise, for the P4 this is not the */ /* begin of the board, but the begin of RAM. */ /* for P4, map in its address space in 2 chunks (### TEST! ) */ /* (note the ugly hardcoded 16M number) */ - cinfo->regbase = ioremap (board_addr, 16777216); + cinfo->regbase = ioremap(board_addr, 16777216); if (!cinfo->regbase) goto err_release_region; - DPRINTK ("cirrusfb: Virtual address for board set to: $%p\n", cinfo->regbase); + DPRINTK("cirrusfb: Virtual address for board set to: $%p\n", + cinfo->regbase); cinfo->regbase += 0x600000; cinfo->fbregs_phys = board_addr + 0x600000; cinfo->fbmem_phys = board_addr + 16777216; - cinfo->fbmem = ioremap (cinfo->fbmem_phys, 16777216); + cinfo->fbmem = ioremap(cinfo->fbmem_phys, 16777216); if (!cinfo->fbmem) goto err_unmap_regbase; } else { - printk (" REG at $%lx\n", (unsigned long) z2->resource.start); + printk(KERN_INFO " REG at $%lx\n", + (unsigned long) z2->resource.start); cinfo->fbmem_phys = board_addr; if (board_addr > 0x01000000) - cinfo->fbmem = ioremap (board_addr, board_size); + cinfo->fbmem = ioremap(board_addr, board_size); else - cinfo->fbmem = (caddr_t) ZTWO_VADDR (board_addr); + cinfo->fbmem = (caddr_t) ZTWO_VADDR(board_addr); if (!cinfo->fbmem) goto err_release_region; /* set address for REG area of board */ - cinfo->regbase = (caddr_t) ZTWO_VADDR (z2->resource.start); + cinfo->regbase = (caddr_t) ZTWO_VADDR(z2->resource.start); cinfo->fbregs_phys = z2->resource.start; - DPRINTK ("cirrusfb: Virtual address for board set to: $%p\n", cinfo->regbase); + DPRINTK("cirrusfb: Virtual address for board set to: $%p\n", + cinfo->regbase); } cinfo->unmap = cirrusfb_zorro_unmap; - printk (KERN_INFO "Cirrus Logic chipset on Zorro bus\n"); + printk(KERN_INFO "Cirrus Logic chipset on Zorro bus\n"); zorro_set_drvdata(z, info); ret = cirrusfb_register(cinfo); @@ -2592,11 +2759,11 @@ err_out: void __devexit cirrusfb_zorro_unregister(struct zorro_dev *z) { struct fb_info *info = zorro_get_drvdata(z); - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); - cirrusfb_cleanup (info); + cirrusfb_cleanup(info); - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } static struct zorro_driver cirrusfb_zorro_driver = { @@ -2628,26 +2795,24 @@ static int __init cirrusfb_init(void) return error; } - - #ifndef MODULE static int __init cirrusfb_setup(char *options) { char *this_opt, s[32]; int i; - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); if (!options || !*options) return 0; - while ((this_opt = strsep (&options, ",")) != NULL) { + while ((this_opt = strsep(&options, ",")) != NULL) { if (!*this_opt) continue; DPRINTK("cirrusfb_setup: option '%s'\n", this_opt); for (i = 0; i < NUM_TOTAL_MODES; i++) { - sprintf (s, "mode:%s", cirrusfb_predefined[i].name); - if (strcmp (this_opt, s) == 0) + sprintf(s, "mode:%s", cirrusfb_predefined[i].name); + if (strcmp(this_opt, s) == 0) cirrusfb_def_mode = i; } if (!strcmp(this_opt, "noaccel")) @@ -2657,7 +2822,6 @@ static int __init cirrusfb_setup(char *options) { } #endif - /* * Modularization */ @@ -2666,7 +2830,7 @@ MODULE_AUTHOR("Copyright 1999,2000 Jeff Garzik <jgarzik@pobox.com>"); MODULE_DESCRIPTION("Accelerated FBDev driver for Cirrus Logic chips"); MODULE_LICENSE("GPL"); -static void __exit cirrusfb_exit (void) +static void __exit cirrusfb_exit(void) { #ifdef CONFIG_PCI pci_unregister_driver(&cirrusfb_pci_driver); @@ -2682,66 +2846,67 @@ module_init(cirrusfb_init); module_exit(cirrusfb_exit); #endif - /**********************************************************************/ /* about the following functions - I have used the same names for the */ /* functions as Markus Wild did in his Retina driver for NetBSD as */ /* they just made sense for this purpose. Apart from that, I wrote */ -/* these functions myself. */ +/* these functions myself. */ /**********************************************************************/ /*** WGen() - write into one of the external/general registers ***/ -static void WGen (const struct cirrusfb_info *cinfo, +static void WGen(const struct cirrusfb_info *cinfo, int regnum, unsigned char val) { unsigned long regofs = 0; if (cinfo->btype == BT_PICASSO) { /* Picasso II specific hack */ -/* if (regnum == VGA_PEL_IR || regnum == VGA_PEL_D || regnum == CL_VSSM2) */ +/* if (regnum == VGA_PEL_IR || regnum == VGA_PEL_D || + regnum == CL_VSSM2) */ if (regnum == VGA_PEL_IR || regnum == VGA_PEL_D) regofs = 0xfff; } - vga_w (cinfo->regbase, regofs + regnum, val); + vga_w(cinfo->regbase, regofs + regnum, val); } /*** RGen() - read out one of the external/general registers ***/ -static unsigned char RGen (const struct cirrusfb_info *cinfo, int regnum) +static unsigned char RGen(const struct cirrusfb_info *cinfo, int regnum) { unsigned long regofs = 0; if (cinfo->btype == BT_PICASSO) { /* Picasso II specific hack */ -/* if (regnum == VGA_PEL_IR || regnum == VGA_PEL_D || regnum == CL_VSSM2) */ +/* if (regnum == VGA_PEL_IR || regnum == VGA_PEL_D || + regnum == CL_VSSM2) */ if (regnum == VGA_PEL_IR || regnum == VGA_PEL_D) regofs = 0xfff; } - return vga_r (cinfo->regbase, regofs + regnum); + return vga_r(cinfo->regbase, regofs + regnum); } /*** AttrOn() - turn on VideoEnable for Attribute controller ***/ -static void AttrOn (const struct cirrusfb_info *cinfo) +static void AttrOn(const struct cirrusfb_info *cinfo) { - assert (cinfo != NULL); + assert(cinfo != NULL); - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); - if (vga_rcrt (cinfo->regbase, CL_CRT24) & 0x80) { + if (vga_rcrt(cinfo->regbase, CL_CRT24) & 0x80) { /* if we're just in "write value" mode, write back the */ /* same value as before to not modify anything */ - vga_w (cinfo->regbase, VGA_ATT_IW, - vga_r (cinfo->regbase, VGA_ATT_R)); + vga_w(cinfo->regbase, VGA_ATT_IW, + vga_r(cinfo->regbase, VGA_ATT_R)); } /* turn on video bit */ -/* vga_w (cinfo->regbase, VGA_ATT_IW, 0x20); */ - vga_w (cinfo->regbase, VGA_ATT_IW, 0x33); +/* vga_w(cinfo->regbase, VGA_ATT_IW, 0x20); */ + vga_w(cinfo->regbase, VGA_ATT_IW, 0x33); /* dummy write on Reg0 to be on "write index" mode next time */ - vga_w (cinfo->regbase, VGA_ATT_IW, 0x00); + vga_w(cinfo->regbase, VGA_ATT_IW, 0x00); - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } /*** WHDR() - write into the Hidden DAC register ***/ @@ -2750,119 +2915,115 @@ static void AttrOn (const struct cirrusfb_info *cinfo) * registers of their functional group) here is a specialized routine for * accessing the HDR */ -static void WHDR (const struct cirrusfb_info *cinfo, unsigned char val) +static void WHDR(const struct cirrusfb_info *cinfo, unsigned char val) { unsigned char dummy; if (cinfo->btype == BT_PICASSO) { /* Klaus' hint for correct access to HDR on some boards */ /* first write 0 to pixel mask (3c6) */ - WGen (cinfo, VGA_PEL_MSK, 0x00); - udelay (200); + WGen(cinfo, VGA_PEL_MSK, 0x00); + udelay(200); /* next read dummy from pixel address (3c8) */ - dummy = RGen (cinfo, VGA_PEL_IW); - udelay (200); + dummy = RGen(cinfo, VGA_PEL_IW); + udelay(200); } /* now do the usual stuff to access the HDR */ - dummy = RGen (cinfo, VGA_PEL_MSK); - udelay (200); - dummy = RGen (cinfo, VGA_PEL_MSK); - udelay (200); - dummy = RGen (cinfo, VGA_PEL_MSK); - udelay (200); - dummy = RGen (cinfo, VGA_PEL_MSK); - udelay (200); + dummy = RGen(cinfo, VGA_PEL_MSK); + udelay(200); + dummy = RGen(cinfo, VGA_PEL_MSK); + udelay(200); + dummy = RGen(cinfo, VGA_PEL_MSK); + udelay(200); + dummy = RGen(cinfo, VGA_PEL_MSK); + udelay(200); - WGen (cinfo, VGA_PEL_MSK, val); - udelay (200); + WGen(cinfo, VGA_PEL_MSK, val); + udelay(200); if (cinfo->btype == BT_PICASSO) { /* now first reset HDR access counter */ - dummy = RGen (cinfo, VGA_PEL_IW); - udelay (200); + dummy = RGen(cinfo, VGA_PEL_IW); + udelay(200); /* and at the end, restore the mask value */ /* ## is this mask always 0xff? */ - WGen (cinfo, VGA_PEL_MSK, 0xff); - udelay (200); + WGen(cinfo, VGA_PEL_MSK, 0xff); + udelay(200); } } - /*** WSFR() - write to the "special function register" (SFR) ***/ -static void WSFR (struct cirrusfb_info *cinfo, unsigned char val) +static void WSFR(struct cirrusfb_info *cinfo, unsigned char val) { #ifdef CONFIG_ZORRO - assert (cinfo->regbase != NULL); + assert(cinfo->regbase != NULL); cinfo->SFR = val; - z_writeb (val, cinfo->regbase + 0x8000); + z_writeb(val, cinfo->regbase + 0x8000); #endif } /* The Picasso has a second register for switching the monitor bit */ -static void WSFR2 (struct cirrusfb_info *cinfo, unsigned char val) +static void WSFR2(struct cirrusfb_info *cinfo, unsigned char val) { #ifdef CONFIG_ZORRO /* writing an arbitrary value to this one causes the monitor switcher */ /* to flip to Amiga display */ - assert (cinfo->regbase != NULL); + assert(cinfo->regbase != NULL); cinfo->SFR = val; - z_writeb (val, cinfo->regbase + 0x9000); + z_writeb(val, cinfo->regbase + 0x9000); #endif } - /*** WClut - set CLUT entry (range: 0..63) ***/ -static void WClut (struct cirrusfb_info *cinfo, unsigned char regnum, unsigned char red, +static void WClut(struct cirrusfb_info *cinfo, unsigned char regnum, unsigned char red, unsigned char green, unsigned char blue) { unsigned int data = VGA_PEL_D; /* address write mode register is not translated.. */ - vga_w (cinfo->regbase, VGA_PEL_IW, regnum); + vga_w(cinfo->regbase, VGA_PEL_IW, regnum); if (cinfo->btype == BT_PICASSO || cinfo->btype == BT_PICASSO4 || cinfo->btype == BT_ALPINE || cinfo->btype == BT_GD5480) { /* but DAC data register IS, at least for Picasso II */ if (cinfo->btype == BT_PICASSO) data += 0xfff; - vga_w (cinfo->regbase, data, red); - vga_w (cinfo->regbase, data, green); - vga_w (cinfo->regbase, data, blue); + vga_w(cinfo->regbase, data, red); + vga_w(cinfo->regbase, data, green); + vga_w(cinfo->regbase, data, blue); } else { - vga_w (cinfo->regbase, data, blue); - vga_w (cinfo->regbase, data, green); - vga_w (cinfo->regbase, data, red); + vga_w(cinfo->regbase, data, blue); + vga_w(cinfo->regbase, data, green); + vga_w(cinfo->regbase, data, red); } } - #if 0 /*** RClut - read CLUT entry (range 0..63) ***/ -static void RClut (struct cirrusfb_info *cinfo, unsigned char regnum, unsigned char *red, +static void RClut(struct cirrusfb_info *cinfo, unsigned char regnum, unsigned char *red, unsigned char *green, unsigned char *blue) { unsigned int data = VGA_PEL_D; - vga_w (cinfo->regbase, VGA_PEL_IR, regnum); + vga_w(cinfo->regbase, VGA_PEL_IR, regnum); if (cinfo->btype == BT_PICASSO || cinfo->btype == BT_PICASSO4 || cinfo->btype == BT_ALPINE || cinfo->btype == BT_GD5480) { if (cinfo->btype == BT_PICASSO) data += 0xfff; - *red = vga_r (cinfo->regbase, data); - *green = vga_r (cinfo->regbase, data); - *blue = vga_r (cinfo->regbase, data); + *red = vga_r(cinfo->regbase, data); + *green = vga_r(cinfo->regbase, data); + *blue = vga_r(cinfo->regbase, data); } else { - *blue = vga_r (cinfo->regbase, data); - *green = vga_r (cinfo->regbase, data); - *red = vga_r (cinfo->regbase, data); + *blue = vga_r(cinfo->regbase, data); + *green = vga_r(cinfo->regbase, data); + *red = vga_r(cinfo->regbase, data); } } #endif - /******************************************************************* cirrusfb_WaitBLT() @@ -2870,10 +3031,10 @@ static void RClut (struct cirrusfb_info *cinfo, unsigned char regnum, unsigned c *********************************************************************/ /* FIXME: use interrupts instead */ -static void cirrusfb_WaitBLT (u8 __iomem *regbase) +static void cirrusfb_WaitBLT(u8 __iomem *regbase) { /* now busy-wait until we're done */ - while (vga_rgfx (regbase, CL_GR31) & 0x08) + while (vga_rgfx(regbase, CL_GR31) & 0x08) /* do nothing */ ; } @@ -2883,15 +3044,17 @@ static void cirrusfb_WaitBLT (u8 __iomem *regbase) perform accelerated "scrolling" ********************************************************************/ -static void cirrusfb_BitBLT (u8 __iomem *regbase, int bits_per_pixel, - u_short curx, u_short cury, u_short destx, u_short desty, - u_short width, u_short height, u_short line_length) +static void cirrusfb_BitBLT(u8 __iomem *regbase, int bits_per_pixel, + u_short curx, u_short cury, + u_short destx, u_short desty, + u_short width, u_short height, + u_short line_length) { u_short nwidth, nheight; u_long nsrc, ndest; u_char bltmode; - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); nwidth = width - 1; nheight = height - 1; @@ -2911,9 +3074,13 @@ static void cirrusfb_BitBLT (u8 __iomem *regbase, int bits_per_pixel, nsrc = (cury * line_length) + curx; ndest = (desty * line_length) + destx; } else { - /* this means start addresses are at the end, counting backwards */ - nsrc = cury * line_length + curx + nheight * line_length + nwidth; - ndest = desty * line_length + destx + nheight * line_length + nwidth; + /* this means start addresses are at the end, + * counting backwards + */ + nsrc = cury * line_length + curx + + nheight * line_length + nwidth; + ndest = desty * line_length + destx + + nheight * line_length + nwidth; } /* @@ -2929,52 +3096,65 @@ static void cirrusfb_BitBLT (u8 __iomem *regbase, int bits_per_pixel, start/stop */ - cirrusfb_WaitBLT(regbase); + cirrusfb_WaitBLT(regbase); /* pitch: set to line_length */ - vga_wgfx (regbase, CL_GR24, line_length & 0xff); /* dest pitch low */ - vga_wgfx (regbase, CL_GR25, (line_length >> 8)); /* dest pitch hi */ - vga_wgfx (regbase, CL_GR26, line_length & 0xff); /* source pitch low */ - vga_wgfx (regbase, CL_GR27, (line_length >> 8)); /* source pitch hi */ + /* dest pitch low */ + vga_wgfx(regbase, CL_GR24, line_length & 0xff); + /* dest pitch hi */ + vga_wgfx(regbase, CL_GR25, line_length >> 8); + /* source pitch low */ + vga_wgfx(regbase, CL_GR26, line_length & 0xff); + /* source pitch hi */ + vga_wgfx(regbase, CL_GR27, line_length >> 8); /* BLT width: actual number of pixels - 1 */ - vga_wgfx (regbase, CL_GR20, nwidth & 0xff); /* BLT width low */ - vga_wgfx (regbase, CL_GR21, (nwidth >> 8)); /* BLT width hi */ + /* BLT width low */ + vga_wgfx(regbase, CL_GR20, nwidth & 0xff); + /* BLT width hi */ + vga_wgfx(regbase, CL_GR21, nwidth >> 8); /* BLT height: actual number of lines -1 */ - vga_wgfx (regbase, CL_GR22, nheight & 0xff); /* BLT height low */ - vga_wgfx (regbase, CL_GR23, (nheight >> 8)); /* BLT width hi */ + /* BLT height low */ + vga_wgfx(regbase, CL_GR22, nheight & 0xff); + /* BLT width hi */ + vga_wgfx(regbase, CL_GR23, nheight >> 8); /* BLT destination */ - vga_wgfx (regbase, CL_GR28, (u_char) (ndest & 0xff)); /* BLT dest low */ - vga_wgfx (regbase, CL_GR29, (u_char) (ndest >> 8)); /* BLT dest mid */ - vga_wgfx (regbase, CL_GR2A, (u_char) (ndest >> 16)); /* BLT dest hi */ + /* BLT dest low */ + vga_wgfx(regbase, CL_GR28, (u_char) (ndest & 0xff)); + /* BLT dest mid */ + vga_wgfx(regbase, CL_GR29, (u_char) (ndest >> 8)); + /* BLT dest hi */ + vga_wgfx(regbase, CL_GR2A, (u_char) (ndest >> 16)); /* BLT source */ - vga_wgfx (regbase, CL_GR2C, (u_char) (nsrc & 0xff)); /* BLT src low */ - vga_wgfx (regbase, CL_GR2D, (u_char) (nsrc >> 8)); /* BLT src mid */ - vga_wgfx (regbase, CL_GR2E, (u_char) (nsrc >> 16)); /* BLT src hi */ + /* BLT src low */ + vga_wgfx(regbase, CL_GR2C, (u_char) (nsrc & 0xff)); + /* BLT src mid */ + vga_wgfx(regbase, CL_GR2D, (u_char) (nsrc >> 8)); + /* BLT src hi */ + vga_wgfx(regbase, CL_GR2E, (u_char) (nsrc >> 16)); /* BLT mode */ - vga_wgfx (regbase, CL_GR30, bltmode); /* BLT mode */ + vga_wgfx(regbase, CL_GR30, bltmode); /* BLT mode */ /* BLT ROP: SrcCopy */ - vga_wgfx (regbase, CL_GR32, 0x0d); /* BLT ROP */ + vga_wgfx(regbase, CL_GR32, 0x0d); /* BLT ROP */ /* and finally: GO! */ - vga_wgfx (regbase, CL_GR31, 0x02); /* BLT Start/status */ + vga_wgfx(regbase, CL_GR31, 0x02); /* BLT Start/status */ - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } - /******************************************************************* cirrusfb_RectFill() perform accelerated rectangle fill ********************************************************************/ -static void cirrusfb_RectFill (u8 __iomem *regbase, int bits_per_pixel, +static void cirrusfb_RectFill(u8 __iomem *regbase, int bits_per_pixel, u_short x, u_short y, u_short width, u_short height, u_char color, u_short line_length) { @@ -2982,93 +3162,95 @@ static void cirrusfb_RectFill (u8 __iomem *regbase, int bits_per_pixel, u_long ndest; u_char op; - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); nwidth = width - 1; nheight = height - 1; ndest = (y * line_length) + x; - cirrusfb_WaitBLT(regbase); + cirrusfb_WaitBLT(regbase); /* pitch: set to line_length */ - vga_wgfx (regbase, CL_GR24, line_length & 0xff); /* dest pitch low */ - vga_wgfx (regbase, CL_GR25, (line_length >> 8)); /* dest pitch hi */ - vga_wgfx (regbase, CL_GR26, line_length & 0xff); /* source pitch low */ - vga_wgfx (regbase, CL_GR27, (line_length >> 8)); /* source pitch hi */ + vga_wgfx(regbase, CL_GR24, line_length & 0xff); /* dest pitch low */ + vga_wgfx(regbase, CL_GR25, line_length >> 8); /* dest pitch hi */ + vga_wgfx(regbase, CL_GR26, line_length & 0xff); /* source pitch low */ + vga_wgfx(regbase, CL_GR27, line_length >> 8); /* source pitch hi */ /* BLT width: actual number of pixels - 1 */ - vga_wgfx (regbase, CL_GR20, nwidth & 0xff); /* BLT width low */ - vga_wgfx (regbase, CL_GR21, (nwidth >> 8)); /* BLT width hi */ + vga_wgfx(regbase, CL_GR20, nwidth & 0xff); /* BLT width low */ + vga_wgfx(regbase, CL_GR21, nwidth >> 8); /* BLT width hi */ /* BLT height: actual number of lines -1 */ - vga_wgfx (regbase, CL_GR22, nheight & 0xff); /* BLT height low */ - vga_wgfx (regbase, CL_GR23, (nheight >> 8)); /* BLT width hi */ + vga_wgfx(regbase, CL_GR22, nheight & 0xff); /* BLT height low */ + vga_wgfx(regbase, CL_GR23, nheight >> 8); /* BLT width hi */ /* BLT destination */ - vga_wgfx (regbase, CL_GR28, (u_char) (ndest & 0xff)); /* BLT dest low */ - vga_wgfx (regbase, CL_GR29, (u_char) (ndest >> 8)); /* BLT dest mid */ - vga_wgfx (regbase, CL_GR2A, (u_char) (ndest >> 16)); /* BLT dest hi */ + /* BLT dest low */ + vga_wgfx(regbase, CL_GR28, (u_char) (ndest & 0xff)); + /* BLT dest mid */ + vga_wgfx(regbase, CL_GR29, (u_char) (ndest >> 8)); + /* BLT dest hi */ + vga_wgfx(regbase, CL_GR2A, (u_char) (ndest >> 16)); /* BLT source: set to 0 (is a dummy here anyway) */ - vga_wgfx (regbase, CL_GR2C, 0x00); /* BLT src low */ - vga_wgfx (regbase, CL_GR2D, 0x00); /* BLT src mid */ - vga_wgfx (regbase, CL_GR2E, 0x00); /* BLT src hi */ + vga_wgfx(regbase, CL_GR2C, 0x00); /* BLT src low */ + vga_wgfx(regbase, CL_GR2D, 0x00); /* BLT src mid */ + vga_wgfx(regbase, CL_GR2E, 0x00); /* BLT src hi */ /* This is a ColorExpand Blt, using the */ /* same color for foreground and background */ - vga_wgfx (regbase, VGA_GFX_SR_VALUE, color); /* foreground color */ - vga_wgfx (regbase, VGA_GFX_SR_ENABLE, color); /* background color */ + vga_wgfx(regbase, VGA_GFX_SR_VALUE, color); /* foreground color */ + vga_wgfx(regbase, VGA_GFX_SR_ENABLE, color); /* background color */ op = 0xc0; if (bits_per_pixel == 16) { - vga_wgfx (regbase, CL_GR10, color); /* foreground color */ - vga_wgfx (regbase, CL_GR11, color); /* background color */ + vga_wgfx(regbase, CL_GR10, color); /* foreground color */ + vga_wgfx(regbase, CL_GR11, color); /* background color */ op = 0x50; op = 0xd0; } else if (bits_per_pixel == 32) { - vga_wgfx (regbase, CL_GR10, color); /* foreground color */ - vga_wgfx (regbase, CL_GR11, color); /* background color */ - vga_wgfx (regbase, CL_GR12, color); /* foreground color */ - vga_wgfx (regbase, CL_GR13, color); /* background color */ - vga_wgfx (regbase, CL_GR14, 0); /* foreground color */ - vga_wgfx (regbase, CL_GR15, 0); /* background color */ + vga_wgfx(regbase, CL_GR10, color); /* foreground color */ + vga_wgfx(regbase, CL_GR11, color); /* background color */ + vga_wgfx(regbase, CL_GR12, color); /* foreground color */ + vga_wgfx(regbase, CL_GR13, color); /* background color */ + vga_wgfx(regbase, CL_GR14, 0); /* foreground color */ + vga_wgfx(regbase, CL_GR15, 0); /* background color */ op = 0x50; op = 0xf0; } /* BLT mode: color expand, Enable 8x8 copy (faster?) */ - vga_wgfx (regbase, CL_GR30, op); /* BLT mode */ + vga_wgfx(regbase, CL_GR30, op); /* BLT mode */ /* BLT ROP: SrcCopy */ - vga_wgfx (regbase, CL_GR32, 0x0d); /* BLT ROP */ + vga_wgfx(regbase, CL_GR32, 0x0d); /* BLT ROP */ /* and finally: GO! */ - vga_wgfx (regbase, CL_GR31, 0x02); /* BLT Start/status */ + vga_wgfx(regbase, CL_GR31, 0x02); /* BLT Start/status */ - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } - /************************************************************************** * bestclock() - determine closest possible clock lower(?) than the * desired pixel clock **************************************************************************/ -static void bestclock (long freq, long *best, long *nom, +static void bestclock(long freq, long *best, long *nom, long *den, long *div, long maxfreq) { long n, h, d, f; - assert (best != NULL); - assert (nom != NULL); - assert (den != NULL); - assert (div != NULL); - assert (maxfreq > 0); + assert(best != NULL); + assert(nom != NULL); + assert(den != NULL); + assert(div != NULL); + assert(maxfreq > 0); *nom = 0; *den = 0; *div = 0; - DPRINTK ("ENTER\n"); + DPRINTK("ENTER\n"); if (freq < 8000) freq = 8000; @@ -3085,7 +3267,7 @@ static void bestclock (long freq, long *best, long *nom, if (d > 31) d = (d / 2) * 2; h = (14318 * n) / d; - if (abs (h - freq) < abs (*best - freq)) { + if (abs(h - freq) < abs(*best - freq)) { *best = h; *nom = n; if (d < 32) { @@ -3102,7 +3284,7 @@ static void bestclock (long freq, long *best, long *nom, if (d > 31) d = (d / 2) * 2; h = (14318 * n) / d; - if (abs (h - freq) < abs (*best - freq)) { + if (abs(h - freq) < abs(*best - freq)) { *best = h; *nom = n; if (d < 32) { @@ -3116,14 +3298,13 @@ static void bestclock (long freq, long *best, long *nom, } } - DPRINTK ("Best possible values for given frequency:\n"); - DPRINTK (" best: %ld kHz nom: %ld den: %ld div: %ld\n", - freq, *nom, *den, *div); + DPRINTK("Best possible values for given frequency:\n"); + DPRINTK(" best: %ld kHz nom: %ld den: %ld div: %ld\n", + freq, *nom, *den, *div); - DPRINTK ("EXIT\n"); + DPRINTK("EXIT\n"); } - /* ------------------------------------------------------------------------- * * debugging functions @@ -3145,21 +3326,20 @@ static void bestclock (long freq, long *best, long *nom, */ static -void cirrusfb_dbg_print_byte (const char *name, unsigned char val) +void cirrusfb_dbg_print_byte(const char *name, unsigned char val) { - DPRINTK ("%8s = 0x%02X (bits 7-0: %c%c%c%c%c%c%c%c)\n", - name, val, - val & 0x80 ? '1' : '0', - val & 0x40 ? '1' : '0', - val & 0x20 ? '1' : '0', - val & 0x10 ? '1' : '0', - val & 0x08 ? '1' : '0', - val & 0x04 ? '1' : '0', - val & 0x02 ? '1' : '0', - val & 0x01 ? '1' : '0'); + DPRINTK("%8s = 0x%02X (bits 7-0: %c%c%c%c%c%c%c%c)\n", + name, val, + val & 0x80 ? '1' : '0', + val & 0x40 ? '1' : '0', + val & 0x20 ? '1' : '0', + val & 0x10 ? '1' : '0', + val & 0x08 ? '1' : '0', + val & 0x04 ? '1' : '0', + val & 0x02 ? '1' : '0', + val & 0x01 ? '1' : '0'); } - /** * cirrusfb_dbg_print_regs * @base: If using newmmio, the newmmio base address, otherwise %NULL @@ -3172,25 +3352,26 @@ void cirrusfb_dbg_print_byte (const char *name, unsigned char val) */ static -void cirrusfb_dbg_print_regs (caddr_t regbase, cirrusfb_dbg_reg_class_t reg_class,...) +void cirrusfb_dbg_print_regs(caddr_t regbase, + cirrusfb_dbg_reg_class_t reg_class, ...) { va_list list; unsigned char val = 0; unsigned reg; char *name; - va_start (list, reg_class); + va_start(list, reg_class); - name = va_arg (list, char *); + name = va_arg(list, char *); while (name != NULL) { - reg = va_arg (list, int); + reg = va_arg(list, int); switch (reg_class) { case CRT: - val = vga_rcrt (regbase, (unsigned char) reg); + val = vga_rcrt(regbase, (unsigned char) reg); break; case SEQ: - val = vga_rseq (regbase, (unsigned char) reg); + val = vga_rseq(regbase, (unsigned char) reg); break; default: /* should never occur */ @@ -3198,15 +3379,14 @@ void cirrusfb_dbg_print_regs (caddr_t regbase, cirrusfb_dbg_reg_class_t reg_clas break; } - cirrusfb_dbg_print_byte (name, val); + cirrusfb_dbg_print_byte(name, val); - name = va_arg (list, char *); + name = va_arg(list, char *); } - va_end (list); + va_end(list); } - /** * cirrusfb_dump * @cirrusfbinfo: @@ -3214,13 +3394,11 @@ void cirrusfb_dbg_print_regs (caddr_t regbase, cirrusfb_dbg_reg_class_t reg_clas * DESCRIPTION: */ -static -void cirrusfb_dump (void) +static void cirrusfb_dump(void) { - cirrusfb_dbg_reg_dump (NULL); + cirrusfb_dbg_reg_dump(NULL); } - /** * cirrusfb_dbg_reg_dump * @base: If using newmmio, the newmmio base address, otherwise %NULL @@ -3232,11 +3410,11 @@ void cirrusfb_dump (void) */ static -void cirrusfb_dbg_reg_dump (caddr_t regbase) +void cirrusfb_dbg_reg_dump(caddr_t regbase) { - DPRINTK ("CIRRUSFB VGA CRTC register dump:\n"); + DPRINTK("CIRRUSFB VGA CRTC register dump:\n"); - cirrusfb_dbg_print_regs (regbase, CRT, + cirrusfb_dbg_print_regs(regbase, CRT, "CR00", 0x00, "CR01", 0x01, "CR02", 0x02, @@ -3286,11 +3464,11 @@ void cirrusfb_dbg_reg_dump (caddr_t regbase) "CR3F", 0x3F, NULL); - DPRINTK ("\n"); + DPRINTK("\n"); - DPRINTK ("CIRRUSFB VGA SEQ register dump:\n"); + DPRINTK("CIRRUSFB VGA SEQ register dump:\n"); - cirrusfb_dbg_print_regs (regbase, SEQ, + cirrusfb_dbg_print_regs(regbase, SEQ, "SR00", 0x00, "SR01", 0x01, "SR02", 0x02, @@ -3319,7 +3497,7 @@ void cirrusfb_dbg_reg_dump (caddr_t regbase) "SR1F", 0x1F, NULL); - DPRINTK ("\n"); + DPRINTK("\n"); } #endif /* CIRRUSFB_DEBUG */ |