diff options
Diffstat (limited to 'drivers/video/pm3fb.c')
| -rw-r--r-- | drivers/video/pm3fb.c | 1007 |
1 files changed, 0 insertions, 1007 deletions
diff --git a/drivers/video/pm3fb.c b/drivers/video/pm3fb.c deleted file mode 100644 index c77a1a1fd46..00000000000 --- a/drivers/video/pm3fb.c +++ /dev/null @@ -1,1007 +0,0 @@ -/* - * linux/drivers/video/pm3fb.c -- 3DLabs Permedia3 frame buffer device - * - * Copyright (C) 2001 Romain Dolbeau <romain@dolbeau.org>. - * - * Ported to 2.6 kernel on 1 May 2007 by Krzysztof Helt <krzysztof.h1@wp.pl> - * based on pm2fb.c - * - * Based on code written by: - * Sven Luther, <luther@dpt-info.u-strasbg.fr> - * Alan Hourihane, <alanh@fairlite.demon.co.uk> - * Russell King, <rmk@arm.linux.org.uk> - * Based on linux/drivers/video/skeletonfb.c: - * Copyright (C) 1997 Geert Uytterhoeven - * Based on linux/driver/video/pm2fb.c: - * Copyright (C) 1998-1999 Ilario Nardinocchi (nardinoc@CS.UniBO.IT) - * Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com) - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/pci.h> - -#include <video/pm3fb.h> - -#if !defined(CONFIG_PCI) -#error "Only generic PCI cards supported." -#endif - -#undef PM3FB_MASTER_DEBUG -#ifdef PM3FB_MASTER_DEBUG -#define DPRINTK(a,b...) printk(KERN_DEBUG "pm3fb: %s: " a, __FUNCTION__ , ## b) -#else -#define DPRINTK(a,b...) -#endif - -/* - * Driver data - */ -static char *mode_option __devinitdata; - -/* - * If your driver supports multiple boards, you should make the - * below data types arrays, or allocate them dynamically (using kmalloc()). - */ - -/* - * This structure defines the hardware state of the graphics card. Normally - * you place this in a header file in linux/include/video. This file usually - * also includes register information. That allows other driver subsystems - * and userland applications the ability to use the same header file to - * avoid duplicate work and easy porting of software. - */ -struct pm3_par { - unsigned char __iomem *v_regs;/* virtual address of p_regs */ - u32 video; /* video flags before blanking */ - u32 base; /* screen base (xoffset+yoffset) in 128 bits unit */ - u32 palette[16]; -}; - -/* - * Here we define the default structs fb_fix_screeninfo and fb_var_screeninfo - * if we don't use modedb. If we do use modedb see pm3fb_init how to use it - * to get a fb_var_screeninfo. Otherwise define a default var as well. - */ -static struct fb_fix_screeninfo pm3fb_fix __devinitdata = { - .id = "Permedia3", - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_PSEUDOCOLOR, - .xpanstep = 1, - .ypanstep = 1, - .ywrapstep = 0, - .accel = FB_ACCEL_NONE, -}; - -/* - * Utility functions - */ - -static inline u32 PM3_READ_REG(struct pm3_par *par, s32 off) -{ - return fb_readl(par->v_regs + off); -} - -static inline void PM3_WRITE_REG(struct pm3_par *par, s32 off, u32 v) -{ - fb_writel(v, par->v_regs + off); -} - -static inline void PM3_WAIT(struct pm3_par *par, u32 n) -{ - while (PM3_READ_REG(par, PM3InFIFOSpace) < n); -} - -static inline void PM3_SLOW_WRITE_REG(struct pm3_par *par, s32 off, u32 v) -{ - if (par->v_regs) { - mb(); - PM3_WAIT(par, 1); - wmb(); - PM3_WRITE_REG(par, off, v); - } -} - -static inline void PM3_SET_INDEX(struct pm3_par *par, unsigned index) -{ - PM3_SLOW_WRITE_REG(par, PM3RD_IndexHigh, (index >> 8) & 0xff); - PM3_SLOW_WRITE_REG(par, PM3RD_IndexLow, index & 0xff); -} - -static inline void PM3_WRITE_DAC_REG(struct pm3_par *par, unsigned r, u8 v) -{ - PM3_SET_INDEX(par, r); - wmb(); - PM3_WRITE_REG(par, PM3RD_IndexedData, v); -} - -static inline void pm3fb_set_color(struct pm3_par *par, unsigned char regno, - unsigned char r, unsigned char g, unsigned char b) -{ - PM3_SLOW_WRITE_REG(par, PM3RD_PaletteWriteAddress, regno); - PM3_SLOW_WRITE_REG(par, PM3RD_PaletteData, r); - PM3_SLOW_WRITE_REG(par, PM3RD_PaletteData, g); - PM3_SLOW_WRITE_REG(par, PM3RD_PaletteData, b); -} - -static void pm3fb_clear_colormap(struct pm3_par *par, - unsigned char r, unsigned char g, unsigned char b) -{ - int i; - - for (i = 0; i < 256 ; i++) /* fill color map with white */ - pm3fb_set_color(par, i, r, g, b); - -} - -/* Calculating various clock parameter */ -static void pm3fb_calculate_clock(unsigned long reqclock, - unsigned char *prescale, - unsigned char *feedback, - unsigned char *postscale) -{ - int f, pre, post; - unsigned long freq; - long freqerr = 1000; - long currerr; - - for (f = 1; f < 256; f++) { - for (pre = 1; pre < 256; pre++) { - for (post = 0; post < 5; post++) { - freq = ((2*PM3_REF_CLOCK * f) >> post) / pre; - currerr = (reqclock > freq) - ? reqclock - freq - : freq - reqclock; - if (currerr < freqerr) { - freqerr = currerr; - *feedback = f; - *prescale = pre; - *postscale = post; - } - } - } - } -} - -static inline int pm3fb_shift_bpp(unsigned long depth, int v) -{ - switch (depth) { - case 8: - return (v >> 4); - case 12: - case 15: - case 16: - return (v >> 3); - case 32: - return (v >> 2); - } - DPRINTK("Unsupported depth %ld\n", depth); - return 0; -} - -/* write the mode to registers */ -static void pm3fb_write_mode(struct fb_info *info) -{ - struct pm3_par *par = info->par; - char tempsync = 0x00, tempmisc = 0x00; - const u32 hsstart = info->var.right_margin; - const u32 hsend = hsstart + info->var.hsync_len; - const u32 hbend = hsend + info->var.left_margin; - const u32 xres = (info->var.xres + 31) & ~31; - const u32 htotal = xres + hbend; - const u32 vsstart = info->var.lower_margin; - const u32 vsend = vsstart + info->var.vsync_len; - const u32 vbend = vsend + info->var.upper_margin; - const u32 vtotal = info->var.yres + vbend; - const u32 width = (info->var.xres_virtual + 7) & ~7; - - PM3_SLOW_WRITE_REG(par, PM3MemBypassWriteMask, 0xffffffff); - PM3_SLOW_WRITE_REG(par, PM3Aperture0, 0x00000000); - PM3_SLOW_WRITE_REG(par, PM3Aperture1, 0x00000000); - PM3_SLOW_WRITE_REG(par, PM3FIFODis, 0x00000007); - - PM3_SLOW_WRITE_REG(par, PM3HTotal, - pm3fb_shift_bpp(info->var.bits_per_pixel, - htotal - 1)); - PM3_SLOW_WRITE_REG(par, PM3HsEnd, - pm3fb_shift_bpp(info->var.bits_per_pixel, - hsend)); - PM3_SLOW_WRITE_REG(par, PM3HsStart, - pm3fb_shift_bpp(info->var.bits_per_pixel, - hsstart)); - PM3_SLOW_WRITE_REG(par, PM3HbEnd, - pm3fb_shift_bpp(info->var.bits_per_pixel, - hbend)); - PM3_SLOW_WRITE_REG(par, PM3HgEnd, - pm3fb_shift_bpp(info->var.bits_per_pixel, - hbend)); - PM3_SLOW_WRITE_REG(par, PM3ScreenStride, - pm3fb_shift_bpp(info->var.bits_per_pixel, - width)); - PM3_SLOW_WRITE_REG(par, PM3VTotal, vtotal - 1); - PM3_SLOW_WRITE_REG(par, PM3VsEnd, vsend - 1); - PM3_SLOW_WRITE_REG(par, PM3VsStart, vsstart - 1); - PM3_SLOW_WRITE_REG(par, PM3VbEnd, vbend); - - switch (info->var.bits_per_pixel) { - case 8: - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, - PM3ByApertureMode_PIXELSIZE_8BIT); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, - PM3ByApertureMode_PIXELSIZE_8BIT); - break; - - case 12: - case 15: - case 16: -#ifndef __BIG_ENDIAN - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, - PM3ByApertureMode_PIXELSIZE_16BIT); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, - PM3ByApertureMode_PIXELSIZE_16BIT); -#else - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, - PM3ByApertureMode_PIXELSIZE_16BIT | - PM3ByApertureMode_BYTESWAP_BADC); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, - PM3ByApertureMode_PIXELSIZE_16BIT | - PM3ByApertureMode_BYTESWAP_BADC); -#endif /* ! __BIG_ENDIAN */ - break; - - case 32: -#ifndef __BIG_ENDIAN - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, - PM3ByApertureMode_PIXELSIZE_32BIT); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, - PM3ByApertureMode_PIXELSIZE_32BIT); -#else - PM3_SLOW_WRITE_REG(par, PM3ByAperture1Mode, - PM3ByApertureMode_PIXELSIZE_32BIT | - PM3ByApertureMode_BYTESWAP_DCBA); - PM3_SLOW_WRITE_REG(par, PM3ByAperture2Mode, - PM3ByApertureMode_PIXELSIZE_32BIT | - PM3ByApertureMode_BYTESWAP_DCBA); -#endif /* ! __BIG_ENDIAN */ - break; - - default: - DPRINTK("Unsupported depth %d\n", - info->var.bits_per_pixel); - break; - } - - /* - * Oxygen VX1 - it appears that setting PM3VideoControl and - * then PM3RD_SyncControl to the same SYNC settings undoes - * any net change - they seem to xor together. Only set the - * sync options in PM3RD_SyncControl. --rmk - */ - { - unsigned int video = par->video; - - video &= ~(PM3VideoControl_HSYNC_MASK | - PM3VideoControl_VSYNC_MASK); - video |= PM3VideoControl_HSYNC_ACTIVE_HIGH | - PM3VideoControl_VSYNC_ACTIVE_HIGH; - PM3_SLOW_WRITE_REG(par, PM3VideoControl, video); - } - PM3_SLOW_WRITE_REG(par, PM3VClkCtl, - (PM3_READ_REG(par, PM3VClkCtl) & 0xFFFFFFFC)); - PM3_SLOW_WRITE_REG(par, PM3ScreenBase, par->base); - PM3_SLOW_WRITE_REG(par, PM3ChipConfig, - (PM3_READ_REG(par, PM3ChipConfig) & 0xFFFFFFFD)); - - { - unsigned char uninitialized_var(m); /* ClkPreScale */ - unsigned char uninitialized_var(n); /* ClkFeedBackScale */ - unsigned char uninitialized_var(p); /* ClkPostScale */ - unsigned long pixclock = PICOS2KHZ(info->var.pixclock); - - (void)pm3fb_calculate_clock(pixclock, &m, &n, &p); - - DPRINTK("Pixclock: %ld, Pre: %d, Feedback: %d, Post: %d\n", - pixclock, (int) m, (int) n, (int) p); - - PM3_WRITE_DAC_REG(par, PM3RD_DClk0PreScale, m); - PM3_WRITE_DAC_REG(par, PM3RD_DClk0FeedbackScale, n); - PM3_WRITE_DAC_REG(par, PM3RD_DClk0PostScale, p); - } - /* - PM3_WRITE_DAC_REG(par, PM3RD_IndexControl, 0x00); - */ - /* - PM3_SLOW_WRITE_REG(par, PM3RD_IndexControl, 0x00); - */ - if ((par->video & PM3VideoControl_HSYNC_MASK) == - PM3VideoControl_HSYNC_ACTIVE_HIGH) - tempsync |= PM3RD_SyncControl_HSYNC_ACTIVE_HIGH; - if ((par->video & PM3VideoControl_VSYNC_MASK) == - PM3VideoControl_VSYNC_ACTIVE_HIGH) - tempsync |= PM3RD_SyncControl_VSYNC_ACTIVE_HIGH; - - PM3_WRITE_DAC_REG(par, PM3RD_SyncControl, tempsync); - DPRINTK("PM3RD_SyncControl: %d\n", tempsync); - - PM3_WRITE_DAC_REG(par, PM3RD_DACControl, 0x00); - - switch (info->var.bits_per_pixel) { - case 8: - PM3_WRITE_DAC_REG(par, PM3RD_PixelSize, - PM3RD_PixelSize_8_BIT_PIXELS); - PM3_WRITE_DAC_REG(par, PM3RD_ColorFormat, - PM3RD_ColorFormat_CI8_COLOR | - PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW); - tempmisc |= PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE; - break; - case 12: - PM3_WRITE_DAC_REG(par, PM3RD_PixelSize, - PM3RD_PixelSize_16_BIT_PIXELS); - PM3_WRITE_DAC_REG(par, PM3RD_ColorFormat, - PM3RD_ColorFormat_4444_COLOR | - PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW | - PM3RD_ColorFormat_LINEAR_COLOR_EXT_ENABLE); - tempmisc |= PM3RD_MiscControl_DIRECTCOLOR_ENABLE | - PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE; - break; - case 15: - PM3_WRITE_DAC_REG(par, PM3RD_PixelSize, - PM3RD_PixelSize_16_BIT_PIXELS); - PM3_WRITE_DAC_REG(par, PM3RD_ColorFormat, - PM3RD_ColorFormat_5551_FRONT_COLOR | - PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW | - PM3RD_ColorFormat_LINEAR_COLOR_EXT_ENABLE); - tempmisc |= PM3RD_MiscControl_DIRECTCOLOR_ENABLE | - PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE; - break; - case 16: - PM3_WRITE_DAC_REG(par, PM3RD_PixelSize, - PM3RD_PixelSize_16_BIT_PIXELS); - PM3_WRITE_DAC_REG(par, PM3RD_ColorFormat, - PM3RD_ColorFormat_565_FRONT_COLOR | - PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW | - PM3RD_ColorFormat_LINEAR_COLOR_EXT_ENABLE); - tempmisc |= PM3RD_MiscControl_DIRECTCOLOR_ENABLE | - PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE; - break; - case 32: - PM3_WRITE_DAC_REG(par, PM3RD_PixelSize, - PM3RD_PixelSize_32_BIT_PIXELS); - PM3_WRITE_DAC_REG(par, PM3RD_ColorFormat, - PM3RD_ColorFormat_8888_COLOR | - PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW); - tempmisc |= PM3RD_MiscControl_DIRECTCOLOR_ENABLE | - PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE; - break; - } - PM3_WRITE_DAC_REG(par, PM3RD_MiscControl, tempmisc); -} - -/* - * hardware independent functions - */ -int pm3fb_init(void); -int pm3fb_setup(char*); - -static int pm3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - u32 lpitch; - - var->transp.offset = 0; - var->transp.length = 0; - switch(var->bits_per_pixel) { - case 8: - var->red.length = var->green.length = var->blue.length = 8; - var->red.offset = var->green.offset = var->blue.offset = 0; - break; - case 12: - var->red.offset = 8; - var->red.length = 4; - var->green.offset = 4; - var->green.length = 4; - var->blue.offset = 0; - var->blue.length = 4; - var->transp.offset = 12; - var->transp.length = 4; - case 15: - var->red.offset = 10; - var->red.length = 5; - var->green.offset = 5; - var->green.length = 5; - var->blue.offset = 0; - var->blue.length = 5; - var->transp.offset = 15; - var->transp.length = 1; - break; - case 16: - var->red.offset = 11; - var->red.length = 5; - var->green.offset = 5; - var->green.length = 6; - var->blue.offset = 0; - var->blue.length = 5; - break; - case 32: - var->transp.offset = 24; - var->transp.length = 8; - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = var->green.length = var->blue.length = 8; - break; - default: - DPRINTK("depth not supported: %u\n", var->bits_per_pixel); - return -EINVAL; - } - var->height = var->width = -1; - - if (var->xres != var->xres_virtual) { - DPRINTK("virtual x resolution != physical x resolution not supported\n"); - return -EINVAL; - } - - if (var->yres > var->yres_virtual) { - DPRINTK("virtual y resolution < physical y resolution not possible\n"); - return -EINVAL; - } - - if (var->xoffset) { - DPRINTK("xoffset not supported\n"); - return -EINVAL; - } - - if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) { - DPRINTK("interlace not supported\n"); - return -EINVAL; - } - - var->xres = (var->xres + 31) & ~31; /* could sometimes be 8 */ - lpitch = var->xres * ((var->bits_per_pixel + 7)>>3); - - if (var->xres < 200 || var->xres > 2048) { - DPRINTK("width not supported: %u\n", var->xres); - return -EINVAL; - } - - if (var->yres < 200 || var->yres > 4095) { - DPRINTK("height not supported: %u\n", var->yres); - return -EINVAL; - } - - if (lpitch * var->yres_virtual > info->fix.smem_len) { - DPRINTK("no memory for screen (%ux%ux%u)\n", - var->xres, var->yres_virtual, var->bits_per_pixel); - return -EINVAL; - } - - if (PICOS2KHZ(var->pixclock) > PM3_MAX_PIXCLOCK) { - DPRINTK("pixclock too high (%ldKHz)\n", PICOS2KHZ(var->pixclock)); - return -EINVAL; - } - - var->accel_flags = 0; /* Can't mmap if this is on */ - - DPRINTK("Checking graphics mode at %dx%d depth %d\n", - var->xres, var->yres, var->bits_per_pixel); - return 0; -} - -static int pm3fb_set_par(struct fb_info *info) -{ - struct pm3_par *par = info->par; - const u32 xres = (info->var.xres + 31) & ~31; - const int depth = (info->var.bits_per_pixel + 7) & ~7; - - par->base = pm3fb_shift_bpp(info->var.bits_per_pixel, - (info->var.yoffset * xres) - + info->var.xoffset); - par->video = 0; - - if (info->var.sync & FB_SYNC_HOR_HIGH_ACT) - par->video |= PM3VideoControl_HSYNC_ACTIVE_HIGH; - else - par->video |= PM3VideoControl_HSYNC_ACTIVE_LOW; - - if (info->var.sync & FB_SYNC_VERT_HIGH_ACT) - par->video |= PM3VideoControl_VSYNC_ACTIVE_HIGH; - else - par->video |= PM3VideoControl_VSYNC_ACTIVE_LOW; - - if ((info->var.vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) - par->video |= PM3VideoControl_LINE_DOUBLE_ON; - else - par->video |= PM3VideoControl_LINE_DOUBLE_OFF; - - if (info->var.activate == FB_ACTIVATE_NOW) - par->video |= PM3VideoControl_ENABLE; - else { - par->video |= PM3VideoControl_DISABLE; - DPRINTK("PM3Video disabled\n"); - } - switch (depth) { - case 8: - par->video |= PM3VideoControl_PIXELSIZE_8BIT; - break; - case 12: - case 15: - case 16: - par->video |= PM3VideoControl_PIXELSIZE_16BIT; - break; - case 32: - par->video |= PM3VideoControl_PIXELSIZE_32BIT; - break; - default: - DPRINTK("Unsupported depth\n"); - break; - } - - info->fix.visual = - (depth == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; - info->fix.line_length = ((info->var.xres_virtual + 7) & ~7) - * depth / 8; - -/* pm3fb_clear_memory(info, 0);*/ - pm3fb_clear_colormap(par, 0, 0, 0); - PM3_WRITE_DAC_REG(par, PM3RD_CursorMode, - PM3RD_CursorMode_CURSOR_DISABLE); - pm3fb_write_mode(info); - return 0; -} - -static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - struct pm3_par *par = info->par; - - if (regno >= 256) /* no. of hw registers */ - return -EINVAL; - - /* grayscale works only partially under directcolor */ - if (info->var.grayscale) { - /* grayscale = 0.30*R + 0.59*G + 0.11*B */ - red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; - } - - /* Directcolor: - * var->{color}.offset contains start of bitfield - * var->{color}.length contains length of bitfield - * {hardwarespecific} contains width of DAC - * pseudo_palette[X] is programmed to (X << red.offset) | - * (X << green.offset) | - * (X << blue.offset) - * RAMDAC[X] is programmed to (red, green, blue) - * color depth = SUM(var->{color}.length) - * - * Pseudocolor: - * var->{color}.offset is 0 - * var->{color}.length contains width of DAC or the number of unique - * colors available (color depth) - * pseudo_palette is not used - * RAMDAC[X] is programmed to (red, green, blue) - * color depth = var->{color}.length - */ - - /* - * This is the point where the color is converted to something that - * is acceptable by the hardware. - */ -#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16) - red = CNVT_TOHW(red, info->var.red.length); - green = CNVT_TOHW(green, info->var.green.length); - blue = CNVT_TOHW(blue, info->var.blue.length); - transp = CNVT_TOHW(transp, info->var.transp.length); -#undef CNVT_TOHW - - if (info->fix.visual == FB_VISUAL_TRUECOLOR || - info->fix.visual == FB_VISUAL_DIRECTCOLOR) { - u32 v; - - if (regno >= 16) - return -EINVAL; - - v = (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset) | - (transp << info->var.transp.offset); - - switch (info->var.bits_per_pixel) { - case 8: - break; - case 16: - case 24: - case 32: - ((u32*)(info->pseudo_palette))[regno] = v; - break; - } - return 0; - } - else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) - pm3fb_set_color(par, regno, red, green, blue); - - return 0; -} - -static int pm3fb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - struct pm3_par *par = info->par; - const u32 xres = (var->xres + 31) & ~31; - - par->base = pm3fb_shift_bpp(var->bits_per_pixel, - (var->yoffset * xres) - + var->xoffset); - PM3_SLOW_WRITE_REG(par, PM3ScreenBase, par->base); - return 0; -} - -static int pm3fb_blank(int blank_mode, struct fb_info *info) -{ - struct pm3_par *par = info->par; - u32 video = par->video; - - /* - * Oxygen VX1 - it appears that setting PM3VideoControl and - * then PM3RD_SyncControl to the same SYNC settings undoes - * any net change - they seem to xor together. Only set the - * sync options in PM3RD_SyncControl. --rmk - */ - video &= ~(PM3VideoControl_HSYNC_MASK | - PM3VideoControl_VSYNC_MASK); - video |= PM3VideoControl_HSYNC_ACTIVE_HIGH | - PM3VideoControl_VSYNC_ACTIVE_HIGH; - - switch (blank_mode) { - case FB_BLANK_UNBLANK: - video = video | PM3VideoControl_ENABLE; - break; - case FB_BLANK_NORMAL: /* FIXME */ - video = video & ~(PM3VideoControl_ENABLE); - break; - case FB_BLANK_HSYNC_SUSPEND: - video = video & ~(PM3VideoControl_HSYNC_MASK | - PM3VideoControl_BLANK_ACTIVE_LOW); - break; - case FB_BLANK_VSYNC_SUSPEND: - video = video & ~(PM3VideoControl_VSYNC_MASK | - PM3VideoControl_BLANK_ACTIVE_LOW); - break; - case FB_BLANK_POWERDOWN: - video = video & ~(PM3VideoControl_HSYNC_MASK | - PM3VideoControl_VSYNC_MASK | - PM3VideoControl_BLANK_ACTIVE_LOW); - break; - default: - DPRINTK("Unsupported blanking %d\n", blank_mode); - return 1; - } - - PM3_SLOW_WRITE_REG(par,PM3VideoControl, video); - - return 0; -} - - /* - * Frame buffer operations - */ - -static struct fb_ops pm3fb_ops = { - .owner = THIS_MODULE, - .fb_check_var = pm3fb_check_var, - .fb_set_par = pm3fb_set_par, - .fb_setcolreg = pm3fb_setcolreg, - .fb_pan_display = pm3fb_pan_display, - .fb_fillrect = cfb_fillrect, /* Needed !!! */ - .fb_copyarea = cfb_copyarea, /* Needed !!! */ - .fb_imageblit = cfb_imageblit, /* Needed !!! */ - .fb_blank = pm3fb_blank, -}; - -/* ------------------------------------------------------------------------- */ - - /* - * Initialization - */ - -/* mmio register are already mapped when this function is called */ -/* the pm3fb_fix.smem_start is also set */ -static unsigned long pm3fb_size_memory(struct pm3_par *par) -{ - unsigned long memsize = 0, tempBypass, i, temp1, temp2; - unsigned char __iomem *screen_mem; - - pm3fb_fix.smem_len = 64 * 1024 * 1024; /* request full aperture size */ - /* Linear frame buffer - request region and map it. */ - if (!request_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len, - "pm3fb smem")) { - printk(KERN_WARNING "pm3fb: Can't reserve smem.\n"); - return 0; - } - screen_mem = - ioremap_nocache(pm3fb_fix.smem_start, pm3fb_fix.smem_len); - if (!screen_mem) { - printk(KERN_WARNING "pm3fb: Can't ioremap smem area.\n"); - release_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len); - return 0; - } - - /* TODO: card-specific stuff, *before* accessing *any* FB memory */ - /* For Appian Jeronimo 2000 board second head */ - - tempBypass = PM3_READ_REG(par, PM3MemBypassWriteMask); - - DPRINTK("PM3MemBypassWriteMask was: 0x%08lx\n", tempBypass); - - PM3_SLOW_WRITE_REG(par, PM3MemBypassWriteMask, 0xFFFFFFFF); - - /* pm3 split up memory, replicates, and do a lot of nasty stuff IMHO ;-) */ - for (i = 0; i < 32; i++) { - fb_writel(i * 0x00345678, - (screen_mem + (i * 1048576))); - mb(); - temp1 = fb_readl((screen_mem + (i * 1048576))); - - /* Let's check for wrapover, write will fail at 16MB boundary */ - if (temp1 == (i * 0x00345678)) - memsize = i; - else - break; - } - - DPRINTK("First detect pass already got %ld MB\n", memsize + 1); - - if (memsize + 1 == i) { - for (i = 0; i < 32; i++) { - /* Clear first 32MB ; 0 is 0, no need to byteswap */ - writel(0x0000000, - (screen_mem + (i * 1048576))); - mb(); - } - - for (i = 32; i < 64; i++) { - fb_writel(i * 0x00345678, - (screen_mem + (i * 1048576))); - mb(); - temp1 = - fb_readl((screen_mem + (i * 1048576))); - temp2 = - fb_readl((screen_mem + ((i - 32) * 1048576))); - /* different value, different RAM... */ - if ((temp1 == (i * 0x00345678)) && (temp2 == 0)) - memsize = i; - else - break; - } - } - DPRINTK("Second detect pass got %ld MB\n", memsize + 1); - - PM3_SLOW_WRITE_REG(par, PM3MemBypassWriteMask, tempBypass); - - iounmap(screen_mem); - release_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len); - memsize = 1048576 * (memsize + 1); - - DPRINTK("Returning 0x%08lx bytes\n", memsize); - - return memsize; -} - -static int __devinit pm3fb_probe(struct pci_dev *dev, - const struct pci_device_id *ent) -{ - struct fb_info *info; - struct pm3_par *par; - struct device* device = &dev->dev; /* for pci drivers */ - int err, retval = -ENXIO; - - err = pci_enable_device(dev); - if (err) { - printk(KERN_WARNING "pm3fb: Can't enable PCI dev: %d\n", err); - return err; - } - /* - * Dynamically allocate info and par - */ - info = framebuffer_alloc(sizeof(struct pm3_par), device); - - if (!info) - return -ENOMEM; - par = info->par; - - /* - * Here we set the screen_base to the virtual memory address - * for the framebuffer. - */ - pm3fb_fix.mmio_start = pci_resource_start(dev, 0); - pm3fb_fix.mmio_len = PM3_REGS_SIZE; - - /* Registers - request region and map it. */ - if (!request_mem_region(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len, - "pm3fb regbase")) { - printk(KERN_WARNING "pm3fb: Can't reserve regbase.\n"); - goto err_exit_neither; - } - par->v_regs = - ioremap_nocache(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len); - if (!par->v_regs) { - printk(KERN_WARNING "pm3fb: Can't remap %s register area.\n", - pm3fb_fix.id); - release_mem_region(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len); - goto err_exit_neither; - } - -#if defined(__BIG_ENDIAN) - pm3fb_fix.mmio_start += PM3_REGS_SIZE; - DPRINTK("Adjusting register base for big-endian.\n"); -#endif - /* Linear frame buffer - request region and map it. */ - pm3fb_fix.smem_start = pci_resource_start(dev, 1); - pm3fb_fix.smem_len = pm3fb_size_memory(par); - if (!pm3fb_fix.smem_len) - { - printk(KERN_WARNING "pm3fb: Can't find memory on board.\n"); - goto err_exit_mmio; - } - if (!request_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len, - "pm3fb smem")) { - printk(KERN_WARNING "pm3fb: Can't reserve smem.\n"); - goto err_exit_mmio; - } - info->screen_base = - ioremap_nocache(pm3fb_fix.smem_start, pm3fb_fix.smem_len); - if (!info->screen_base) { - printk(KERN_WARNING "pm3fb: Can't ioremap smem area.\n"); - release_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len); - goto err_exit_mmio; - } - info->screen_size = pm3fb_fix.smem_len; - - info->fbops = &pm3fb_ops; - - par->video = PM3_READ_REG(par, PM3VideoControl); - - info->fix = pm3fb_fix; - info->pseudo_palette = par->palette; - info->flags = FBINFO_DEFAULT;/* | FBINFO_HWACCEL_YPAN;*/ - - /* - * This should give a reasonable default video mode. The following is - * done when we can set a video mode. - */ - if (!mode_option) - mode_option = "640x480@60"; - - retval = fb_find_mode(&info->var, info, mode_option, NULL, 0, NULL, 8); - - if (!retval || retval == 4) { - retval = -EINVAL; - goto err_exit_both; - } - - /* This has to been done !!! */ - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { - retval = -ENOMEM; - goto err_exit_both; - } - - /* - * For drivers that can... - */ - pm3fb_check_var(&info->var, info); - - if (register_framebuffer(info) < 0) { - retval = -EINVAL; - goto err_exit_all; - } - printk(KERN_INFO "fb%d: %s frame buffer device\n", info->node, - info->fix.id); - pci_set_drvdata(dev, info); /* or dev_set_drvdata(device, info) */ - return 0; - - err_exit_all: - fb_dealloc_cmap(&info->cmap); - err_exit_both: - iounmap(info->screen_base); - release_mem_region(pm3fb_fix.smem_start, pm3fb_fix.smem_len); - err_exit_mmio: - iounmap(par->v_regs); - release_mem_region(pm3fb_fix.mmio_start, pm3fb_fix.mmio_len); - err_exit_neither: - framebuffer_release(info); - return retval; -} - - /* - * Cleanup - */ -static void __devexit pm3fb_remove(struct pci_dev *dev) -{ - struct fb_info *info = pci_get_drvdata(dev); - - if (info) { - struct fb_fix_screeninfo *fix = &info->fix; - struct pm3_par *par = info->par; - - unregister_framebuffer(info); - fb_dealloc_cmap(&info->cmap); - - iounmap(info->screen_base); - release_mem_region(fix->smem_start, fix->smem_len); - iounmap(par->v_regs); - release_mem_region(fix->mmio_start, fix->mmio_len); - - pci_set_drvdata(dev, NULL); - framebuffer_release(info); - } -} - -static struct pci_device_id pm3fb_id_table[] = { - { PCI_VENDOR_ID_3DLABS, 0x0a, - PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY << 16, - 0xff0000, 0 }, - { 0, } -}; - -/* For PCI drivers */ -static struct pci_driver pm3fb_driver = { - .name = "pm3fb", - .id_table = pm3fb_id_table, - .probe = pm3fb_probe, - .remove = __devexit_p(pm3fb_remove), -}; - -MODULE_DEVICE_TABLE(pci, pm3fb_id_table); - -int __init pm3fb_init(void) -{ - /* - * For kernel boot options (in 'video=pm3fb:<options>' format) - */ -#ifndef MODULE - char *option = NULL; - - if (fb_get_options("pm3fb", &option)) - return -ENODEV; - pm3fb_setup(option); -#endif - - return pci_register_driver(&pm3fb_driver); -} - -static void __exit pm3fb_exit(void) -{ - pci_unregister_driver(&pm3fb_driver); -} - -#ifndef MODULE - /* - * Setup - */ - -/* - * Only necessary if your driver takes special options, - * otherwise we fall back on the generic fb_setup(). - */ -int __init pm3fb_setup(char *options) -{ - /* Parse user speficied options (`video=pm3fb:') */ - return 0; -} -#endif /* MODULE */ - -module_init(pm3fb_init); -module_exit(pm3fb_exit); - -MODULE_LICENSE("GPL"); |