diff options
Diffstat (limited to 'drivers/video/fbdev/nvidia/nvidia.c')
| -rw-r--r-- | drivers/video/fbdev/nvidia/nvidia.c | 1607 |
1 files changed, 1607 insertions, 0 deletions
diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c new file mode 100644 index 00000000000..def04120467 --- /dev/null +++ b/drivers/video/fbdev/nvidia/nvidia.c @@ -0,0 +1,1607 @@ +/* + * linux/drivers/video/nvidia/nvidia.c - nVidia fb driver + * + * Copyright 2004 Antonino Daplas <adaplas@pol.net> + * + * 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 <linux/console.h> +#include <linux/backlight.h> +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif +#ifdef CONFIG_PPC_OF +#include <asm/prom.h> +#include <asm/pci-bridge.h> +#endif +#ifdef CONFIG_BOOTX_TEXT +#include <asm/btext.h> +#endif + +#include "nv_local.h" +#include "nv_type.h" +#include "nv_proto.h" +#include "nv_dma.h" + +#ifdef CONFIG_FB_NVIDIA_DEBUG +#define NVTRACE printk +#else +#define NVTRACE if (0) printk +#endif + +#define NVTRACE_ENTER(...) NVTRACE("%s START\n", __func__) +#define NVTRACE_LEAVE(...) NVTRACE("%s END\n", __func__) + +#ifdef CONFIG_FB_NVIDIA_DEBUG +#define assert(expr) \ + if (!(expr)) { \ + printk( "Assertion failed! %s,%s,%s,line=%d\n",\ + #expr,__FILE__,__func__,__LINE__); \ + BUG(); \ + } +#else +#define assert(expr) +#endif + +#define PFX "nvidiafb: " + +/* HW cursor parameters */ +#define MAX_CURS 32 + +static struct pci_device_id nvidiafb_pci_tbl[] = { + {PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_BASE_CLASS_DISPLAY << 16, 0xff0000, 0}, + { 0, } +}; +MODULE_DEVICE_TABLE(pci, nvidiafb_pci_tbl); + +/* command line data, set in nvidiafb_setup() */ +static int flatpanel = -1; /* Autodetect later */ +static int fpdither = -1; +static int forceCRTC = -1; +static int hwcur = 0; +static int noaccel = 0; +static int noscale = 0; +static int paneltweak = 0; +static int vram = 0; +static int bpp = 8; +static int reverse_i2c; +#ifdef CONFIG_MTRR +static bool nomtrr = false; +#endif +#ifdef CONFIG_PMAC_BACKLIGHT +static int backlight = 1; +#else +static int backlight = 0; +#endif + +static char *mode_option = NULL; + +static struct fb_fix_screeninfo nvidiafb_fix = { + .type = FB_TYPE_PACKED_PIXELS, + .xpanstep = 8, + .ypanstep = 1, +}; + +static struct fb_var_screeninfo nvidiafb_default_var = { + .xres = 640, + .yres = 480, + .xres_virtual = 640, + .yres_virtual = 480, + .bits_per_pixel = 8, + .red = {0, 8, 0}, + .green = {0, 8, 0}, + .blue = {0, 8, 0}, + .transp = {0, 0, 0}, + .activate = FB_ACTIVATE_NOW, + .height = -1, + .width = -1, + .pixclock = 39721, + .left_margin = 40, + .right_margin = 24, + .upper_margin = 32, + .lower_margin = 11, + .hsync_len = 96, + .vsync_len = 2, + .vmode = FB_VMODE_NONINTERLACED +}; + +static void nvidiafb_load_cursor_image(struct nvidia_par *par, u8 * data8, + u16 bg, u16 fg, u32 w, u32 h) +{ + u32 *data = (u32 *) data8; + int i, j, k = 0; + u32 b, tmp; + + w = (w + 1) & ~1; + + for (i = 0; i < h; i++) { + b = *data++; + reverse_order(&b); + + for (j = 0; j < w / 2; j++) { + tmp = 0; +#if defined (__BIG_ENDIAN) + tmp = (b & (1 << 31)) ? fg << 16 : bg << 16; + b <<= 1; + tmp |= (b & (1 << 31)) ? fg : bg; + b <<= 1; +#else + tmp = (b & 1) ? fg : bg; + b >>= 1; + tmp |= (b & 1) ? fg << 16 : bg << 16; + b >>= 1; +#endif + NV_WR32(&par->CURSOR[k++], 0, tmp); + } + k += (MAX_CURS - w) / 2; + } +} + +static void nvidia_write_clut(struct nvidia_par *par, + u8 regnum, u8 red, u8 green, u8 blue) +{ + NVWriteDacMask(par, 0xff); + NVWriteDacWriteAddr(par, regnum); + NVWriteDacData(par, red); + NVWriteDacData(par, green); + NVWriteDacData(par, blue); +} + +static void nvidia_read_clut(struct nvidia_par *par, + u8 regnum, u8 * red, u8 * green, u8 * blue) +{ + NVWriteDacMask(par, 0xff); + NVWriteDacReadAddr(par, regnum); + *red = NVReadDacData(par); + *green = NVReadDacData(par); + *blue = NVReadDacData(par); +} + +static int nvidia_panel_tweak(struct nvidia_par *par, + struct _riva_hw_state *state) +{ + int tweak = 0; + + if (par->paneltweak) { + tweak = par->paneltweak; + } else { + /* begin flat panel hacks */ + /* This is unfortunate, but some chips need this register + tweaked or else you get artifacts where adjacent pixels are + swapped. There are no hard rules for what to set here so all + we can do is experiment and apply hacks. */ + + if(((par->Chipset & 0xffff) == 0x0328) && (state->bpp == 32)) { + /* At least one NV34 laptop needs this workaround. */ + tweak = -1; + } + + if((par->Chipset & 0xfff0) == 0x0310) { + tweak = 1; + } + /* end flat panel hacks */ + } + + return tweak; +} + +static void nvidia_screen_off(struct nvidia_par *par, int on) +{ + unsigned char tmp; + + if (on) { + /* + * Turn off screen and disable sequencer. + */ + tmp = NVReadSeq(par, 0x01); + + NVWriteSeq(par, 0x00, 0x01); /* Synchronous Reset */ + NVWriteSeq(par, 0x01, tmp | 0x20); /* disable the display */ + } else { + /* + * Reenable sequencer, then turn on screen. + */ + + tmp = NVReadSeq(par, 0x01); + + NVWriteSeq(par, 0x01, tmp & ~0x20); /* reenable display */ + NVWriteSeq(par, 0x00, 0x03); /* End Reset */ + } +} + +static void nvidia_save_vga(struct nvidia_par *par, + struct _riva_hw_state *state) +{ + int i; + + NVTRACE_ENTER(); + NVLockUnlock(par, 0); + + NVUnloadStateExt(par, state); + + state->misc_output = NVReadMiscOut(par); + + for (i = 0; i < NUM_CRT_REGS; i++) + state->crtc[i] = NVReadCrtc(par, i); + + for (i = 0; i < NUM_ATC_REGS; i++) + state->attr[i] = NVReadAttr(par, i); + + for (i = 0; i < NUM_GRC_REGS; i++) + state->gra[i] = NVReadGr(par, i); + + for (i = 0; i < NUM_SEQ_REGS; i++) + state->seq[i] = NVReadSeq(par, i); + NVTRACE_LEAVE(); +} + +#undef DUMP_REG + +static void nvidia_write_regs(struct nvidia_par *par, + struct _riva_hw_state *state) +{ + int i; + + NVTRACE_ENTER(); + + NVLoadStateExt(par, state); + + NVWriteMiscOut(par, state->misc_output); + + for (i = 1; i < NUM_SEQ_REGS; i++) { +#ifdef DUMP_REG + printk(" SEQ[%02x] = %08x\n", i, state->seq[i]); +#endif + NVWriteSeq(par, i, state->seq[i]); + } + + /* Ensure CRTC registers 0-7 are unlocked by clearing bit 7 of CRTC[17] */ + NVWriteCrtc(par, 0x11, state->crtc[0x11] & ~0x80); + + for (i = 0; i < NUM_CRT_REGS; i++) { + switch (i) { + case 0x19: + case 0x20 ... 0x40: + break; + default: +#ifdef DUMP_REG + printk("CRTC[%02x] = %08x\n", i, state->crtc[i]); +#endif + NVWriteCrtc(par, i, state->crtc[i]); + } + } + + for (i = 0; i < NUM_GRC_REGS; i++) { +#ifdef DUMP_REG + printk(" GRA[%02x] = %08x\n", i, state->gra[i]); +#endif + NVWriteGr(par, i, state->gra[i]); + } + + for (i = 0; i < NUM_ATC_REGS; i++) { +#ifdef DUMP_REG + printk("ATTR[%02x] = %08x\n", i, state->attr[i]); +#endif + NVWriteAttr(par, i, state->attr[i]); + } + + NVTRACE_LEAVE(); +} + +static int nvidia_calc_regs(struct fb_info *info) +{ + struct nvidia_par *par = info->par; + struct _riva_hw_state *state = &par->ModeReg; + int i, depth = fb_get_color_depth(&info->var, &info->fix); + int h_display = info->var.xres / 8 - 1; + int h_start = (info->var.xres + info->var.right_margin) / 8 - 1; + int h_end = (info->var.xres + info->var.right_margin + + info->var.hsync_len) / 8 - 1; + int h_total = (info->var.xres + info->var.right_margin + + info->var.hsync_len + info->var.left_margin) / 8 - 5; + int h_blank_s = h_display; + int h_blank_e = h_total + 4; + int v_display = info->var.yres - 1; + int v_start = info->var.yres + info->var.lower_margin - 1; + int v_end = (info->var.yres + info->var.lower_margin + + info->var.vsync_len) - 1; + int v_total = (info->var.yres + info->var.lower_margin + + info->var.vsync_len + info->var.upper_margin) - 2; + int v_blank_s = v_display; + int v_blank_e = v_total + 1; + + /* + * Set all CRTC values. + */ + + if (info->var.vmode & FB_VMODE_INTERLACED) + v_total |= 1; + + if (par->FlatPanel == 1) { + v_start = v_total - 3; + v_end = v_total - 2; + v_blank_s = v_start; + h_start = h_total - 5; + h_end = h_total - 2; + h_blank_e = h_total + 4; + } + + state->crtc[0x0] = Set8Bits(h_total); + state->crtc[0x1] = Set8Bits(h_display); + state->crtc[0x2] = Set8Bits(h_blank_s); + state->crtc[0x3] = SetBitField(h_blank_e, 4: 0, 4:0) + | SetBit(7); + state->crtc[0x4] = Set8Bits(h_start); + state->crtc[0x5] = SetBitField(h_blank_e, 5: 5, 7:7) + | SetBitField(h_end, 4: 0, 4:0); + state->crtc[0x6] = SetBitField(v_total, 7: 0, 7:0); + state->crtc[0x7] = SetBitField(v_total, 8: 8, 0:0) + | SetBitField(v_display, 8: 8, 1:1) + | SetBitField(v_start, 8: 8, 2:2) + | SetBitField(v_blank_s, 8: 8, 3:3) + | SetBit(4) + | SetBitField(v_total, 9: 9, 5:5) + | SetBitField(v_display, 9: 9, 6:6) + | SetBitField(v_start, 9: 9, 7:7); + state->crtc[0x9] = SetBitField(v_blank_s, 9: 9, 5:5) + | SetBit(6) + | ((info->var.vmode & FB_VMODE_DOUBLE) ? 0x80 : 0x00); + state->crtc[0x10] = Set8Bits(v_start); + state->crtc[0x11] = SetBitField(v_end, 3: 0, 3:0) | SetBit(5); + state->crtc[0x12] = Set8Bits(v_display); + state->crtc[0x13] = ((info->var.xres_virtual / 8) * + (info->var.bits_per_pixel / 8)); + state->crtc[0x15] = Set8Bits(v_blank_s); + state->crtc[0x16] = Set8Bits(v_blank_e); + + state->attr[0x10] = 0x01; + + if (par->Television) + state->attr[0x11] = 0x00; + + state->screen = SetBitField(h_blank_e, 6: 6, 4:4) + | SetBitField(v_blank_s, 10: 10, 3:3) + | SetBitField(v_start, 10: 10, 2:2) + | SetBitField(v_display, 10: 10, 1:1) + | SetBitField(v_total, 10: 10, 0:0); + + state->horiz = SetBitField(h_total, 8: 8, 0:0) + | SetBitField(h_display, 8: 8, 1:1) + | SetBitField(h_blank_s, 8: 8, 2:2) + | SetBitField(h_start, 8: 8, 3:3); + + state->extra = SetBitField(v_total, 11: 11, 0:0) + | SetBitField(v_display, 11: 11, 2:2) + | SetBitField(v_start, 11: 11, 4:4) + | SetBitField(v_blank_s, 11: 11, 6:6); + + if (info->var.vmode & FB_VMODE_INTERLACED) { + h_total = (h_total >> 1) & ~1; + state->interlace = Set8Bits(h_total); + state->horiz |= SetBitField(h_total, 8: 8, 4:4); + } else { + state->interlace = 0xff; /* interlace off */ + } + + /* + * Calculate the extended registers. + */ + + if (depth < 24) + i = depth; + else + i = 32; + + if (par->Architecture >= NV_ARCH_10) + par->CURSOR = (volatile u32 __iomem *)(info->screen_base + + par->CursorStart); + + if (info->var.sync & FB_SYNC_HOR_HIGH_ACT) + state->misc_output &= ~0x40; + else + state->misc_output |= 0x40; + if (info->var.sync & FB_SYNC_VERT_HIGH_ACT) + state->misc_output &= ~0x80; + else + state->misc_output |= 0x80; + + NVCalcStateExt(par, state, i, info->var.xres_virtual, + info->var.xres, info->var.yres_virtual, + 1000000000 / info->var.pixclock, info->var.vmode); + + state->scale = NV_RD32(par->PRAMDAC, 0x00000848) & 0xfff000ff; + if (par->FlatPanel == 1) { + state->pixel |= (1 << 7); + + if (!par->fpScaler || (par->fpWidth <= info->var.xres) + || (par->fpHeight <= info->var.yres)) { + state->scale |= (1 << 8); + } + + if (!par->crtcSync_read) { + state->crtcSync = NV_RD32(par->PRAMDAC, 0x0828); + par->crtcSync_read = 1; + } + + par->PanelTweak = nvidia_panel_tweak(par, state); + } + + state->vpll = state->pll; + state->vpll2 = state->pll; + state->vpllB = state->pllB; + state->vpll2B = state->pllB; + + VGA_WR08(par->PCIO, 0x03D4, 0x1C); + state->fifo = VGA_RD08(par->PCIO, 0x03D5) & ~(1<<5); + + if (par->CRTCnumber) { + state->head = NV_RD32(par->PCRTC0, 0x00000860) & ~0x00001000; + state->head2 = NV_RD32(par->PCRTC0, 0x00002860) | 0x00001000; + state->crtcOwner = 3; + state->pllsel |= 0x20000800; + state->vpll = NV_RD32(par->PRAMDAC0, 0x00000508); + if (par->twoStagePLL) + state->vpllB = NV_RD32(par->PRAMDAC0, 0x00000578); + } else if (par->twoHeads) { + state->head = NV_RD32(par->PCRTC0, 0x00000860) | 0x00001000; + state->head2 = NV_RD32(par->PCRTC0, 0x00002860) & ~0x00001000; + state->crtcOwner = 0; + state->vpll2 = NV_RD32(par->PRAMDAC0, 0x0520); + if (par->twoStagePLL) + state->vpll2B = NV_RD32(par->PRAMDAC0, 0x057C); + } + + state->cursorConfig = 0x00000100; + + if (info->var.vmode & FB_VMODE_DOUBLE) + state->cursorConfig |= (1 << 4); + + if (par->alphaCursor) { + if ((par->Chipset & 0x0ff0) != 0x0110) + state->cursorConfig |= 0x04011000; + else + state->cursorConfig |= 0x14011000; + state->general |= (1 << 29); + } else + state->cursorConfig |= 0x02000000; + + if (par->twoHeads) { + if ((par->Chipset & 0x0ff0) == 0x0110) { + state->dither = NV_RD32(par->PRAMDAC, 0x0528) & + ~0x00010000; + if (par->FPDither) + state->dither |= 0x00010000; + } else { + state->dither = NV_RD32(par->PRAMDAC, 0x083C) & ~1; + if (par->FPDither) + state->dither |= 1; + } + } + + state->timingH = 0; + state->timingV = 0; + state->displayV = info->var.xres; + + return 0; +} + +static void nvidia_init_vga(struct fb_info *info) +{ + struct nvidia_par *par = info->par; + struct _riva_hw_state *state = &par->ModeReg; + int i; + + for (i = 0; i < 0x10; i++) + state->attr[i] = i; + state->attr[0x10] = 0x41; + state->attr[0x11] = 0xff; + state->attr[0x12] = 0x0f; + state->attr[0x13] = 0x00; + state->attr[0x14] = 0x00; + + memset(state->crtc, 0x00, NUM_CRT_REGS); + state->crtc[0x0a] = 0x20; + state->crtc[0x17] = 0xe3; + state->crtc[0x18] = 0xff; + state->crtc[0x28] = 0x40; + + memset(state->gra, 0x00, NUM_GRC_REGS); + state->gra[0x05] = 0x40; + state->gra[0x06] = 0x05; + state->gra[0x07] = 0x0f; + state->gra[0x08] = 0xff; + + state->seq[0x00] = 0x03; + state->seq[0x01] = 0x01; + state->seq[0x02] = 0x0f; + state->seq[0x03] = 0x00; + state->seq[0x04] = 0x0e; + + state->misc_output = 0xeb; +} + +static int nvidiafb_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + struct nvidia_par *par = info->par; + u8 data[MAX_CURS * MAX_CURS / 8]; + int i, set = cursor->set; + u16 fg, bg; + + if (cursor->image.width > MAX_CURS || cursor->image.height > MAX_CURS) + return -ENXIO; + + NVShowHideCursor(par, 0); + + if (par->cursor_reset) { + set = FB_CUR_SETALL; + par->cursor_reset = 0; + } + + if (set & FB_CUR_SETSIZE) + memset_io(par->CURSOR, 0, MAX_CURS * MAX_CURS * 2); + + if (set & FB_CUR_SETPOS) { + u32 xx, yy, temp; + + yy = cursor->image.dy - info->var.yoffset; + xx = cursor->image.dx - info->var.xoffset; + temp = xx & 0xFFFF; + temp |= yy << 16; + + NV_WR32(par->PRAMDAC, 0x0000300, temp); + } + + if (set & (FB_CUR_SETSHAPE | FB_CUR_SETCMAP | FB_CUR_SETIMAGE)) { + u32 bg_idx = cursor->image.bg_color; + u32 fg_idx = cursor->image.fg_color; + u32 s_pitch = (cursor->image.width + 7) >> 3; + u32 d_pitch = MAX_CURS / 8; + u8 *dat = (u8 *) cursor->image.data; + u8 *msk = (u8 *) cursor->mask; + u8 *src; + + src = kmalloc(s_pitch * cursor->image.height, GFP_ATOMIC); + + if (src) { + switch (cursor->rop) { + case ROP_XOR: + for (i = 0; i < s_pitch * cursor->image.height; i++) + src[i] = dat[i] ^ msk[i]; + break; + case ROP_COPY: + default: + for (i = 0; i < s_pitch * cursor->image.height; i++) + src[i] = dat[i] & msk[i]; + break; + } + + fb_pad_aligned_buffer(data, d_pitch, src, s_pitch, + cursor->image.height); + + bg = ((info->cmap.red[bg_idx] & 0xf8) << 7) | + ((info->cmap.green[bg_idx] & 0xf8) << 2) | + ((info->cmap.blue[bg_idx] & 0xf8) >> 3) | 1 << 15; + + fg = ((info->cmap.red[fg_idx] & 0xf8) << 7) | + ((info->cmap.green[fg_idx] & 0xf8) << 2) | + ((info->cmap.blue[fg_idx] & 0xf8) >> 3) | 1 << 15; + + NVLockUnlock(par, 0); + + nvidiafb_load_cursor_image(par, data, bg, fg, + cursor->image.width, + cursor->image.height); + kfree(src); + } + } + + if (cursor->enable) + NVShowHideCursor(par, 1); + + return 0; +} + +static int nvidiafb_set_par(struct fb_info *info) +{ + struct nvidia_par *par = info->par; + + NVTRACE_ENTER(); + + NVLockUnlock(par, 1); + if (!par->FlatPanel || !par->twoHeads) + par->FPDither = 0; + + if (par->FPDither < 0) { + if ((par->Chipset & 0x0ff0) == 0x0110) + par->FPDither = !!(NV_RD32(par->PRAMDAC, 0x0528) + & 0x00010000); + else + par->FPDither = !!(NV_RD32(par->PRAMDAC, 0x083C) & 1); + printk(KERN_INFO PFX "Flat panel dithering %s\n", + par->FPDither ? "enabled" : "disabled"); + } + + info->fix.visual = (info->var.bits_per_pixel == 8) ? + FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; + + nvidia_init_vga(info); + nvidia_calc_regs(info); + + NVLockUnlock(par, 0); + if (par->twoHeads) { + VGA_WR08(par->PCIO, 0x03D4, 0x44); + VGA_WR08(par->PCIO, 0x03D5, par->ModeReg.crtcOwner); + NVLockUnlock(par, 0); + } + + nvidia_screen_off(par, 1); + + nvidia_write_regs(par, &par->ModeReg); + NVSetStartAddress(par, 0); + +#if defined (__BIG_ENDIAN) + /* turn on LFB swapping */ + { + unsigned char tmp; + + VGA_WR08(par->PCIO, 0x3d4, 0x46); + tmp = VGA_RD08(par->PCIO, 0x3d5); + tmp |= (1 << 7); + VGA_WR08(par->PCIO, 0x3d5, tmp); + } +#endif + + info->fix.line_length = (info->var.xres_virtual * + info->var.bits_per_pixel) >> 3; + if (info->var.accel_flags) { + info->fbops->fb_imageblit = nvidiafb_imageblit; + info->fbops->fb_fillrect = nvidiafb_fillrect; + info->fbops->fb_copyarea = nvidiafb_copyarea; + info->fbops->fb_sync = nvidiafb_sync; + info->pixmap.scan_align = 4; + info->flags &= ~FBINFO_HWACCEL_DISABLED; + info->flags |= FBINFO_READS_FAST; + NVResetGraphics(info); + } else { + info->fbops->fb_imageblit = cfb_imageblit; + info->fbops->fb_fillrect = cfb_fillrect; + info->fbops->fb_copyarea = cfb_copyarea; + info->fbops->fb_sync = NULL; + info->pixmap.scan_align = 1; + info->flags |= FBINFO_HWACCEL_DISABLED; + info->flags &= ~FBINFO_READS_FAST; + } + + par->cursor_reset = 1; + + nvidia_screen_off(par, 0); + +#ifdef CONFIG_BOOTX_TEXT + /* Update debug text engine */ + btext_update_display(info->fix.smem_start, + info->var.xres, info->var.yres, + info->var.bits_per_pixel, info->fix.line_length); +#endif + + NVLockUnlock(par, 0); + NVTRACE_LEAVE(); + return 0; +} + +static int nvidiafb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, + struct fb_info *info) +{ + struct nvidia_par *par = info->par; + int i; + + NVTRACE_ENTER(); + if (regno >= (1 << info->var.green.length)) + return -EINVAL; + + if (info->var.grayscale) { + /* gray = 0.30*R + 0.59*G + 0.11*B */ + red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; + } + + if (regno < 16 && info->fix.visual == FB_VISUAL_DIRECTCOLOR) { + ((u32 *) info->pseudo_palette)[regno] = + (regno << info->var.red.offset) | + (regno << info->var.green.offset) | + (regno << info->var.blue.offset); + } + + switch (info->var.bits_per_pixel) { + case 8: + /* "transparent" stuff is completely ignored. */ + nvidia_write_clut(par, regno, red >> 8, green >> 8, blue >> 8); + break; + case 16: + if (info->var.green.length == 5) { + for (i = 0; i < 8; i++) { + nvidia_write_clut(par, regno * 8 + i, red >> 8, + green >> 8, blue >> 8); + } + } else { + u8 r, g, b; + + if (regno < 32) { + for (i = 0; i < 8; i++) { + nvidia_write_clut(par, regno * 8 + i, + red >> 8, green >> 8, + blue >> 8); + } + } + + nvidia_read_clut(par, regno * 4, &r, &g, &b); + + for (i = 0; i < 4; i++) + nvidia_write_clut(par, regno * 4 + i, r, + green >> 8, b); + } + break; + case 32: + nvidia_write_clut(par, regno, red >> 8, green >> 8, blue >> 8); + break; + default: + /* do nothing */ + break; + } + + NVTRACE_LEAVE(); + return 0; +} + +static int nvidiafb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct nvidia_par *par = info->par; + int memlen, vramlen, mode_valid = 0; + int pitch, err = 0; + + NVTRACE_ENTER(); + + var->transp.offset = 0; + var->transp.length = 0; + + var->xres &= ~7; + + if (var->bits_per_pixel <= 8) + var->bits_per_pixel = 8; + else if (var->bits_per_pixel <= 16) + var->bits_per_pixel = 16; + else + var->bits_per_pixel = 32; + + switch (var->bits_per_pixel) { + case 8: + var->red.offset = 0; + var->red.length = 8; + var->green.offset = 0; + var->green.length = 8; + var->blue.offset = 0; + var->blue.length = 8; + var->transp.offset = 0; + var->transp.length = 0; + break; + case 16: + var->green.length = (var->green.length < 6) ? 5 : 6; + var->red.length = 5; + var->blue.length = 5; + var->transp.length = 6 - var->green.length; + var->blue.offset = 0; + var->green.offset = 5; + var->red.offset = 5 + var->green.length; + var->transp.offset = (5 + var->red.offset) & 15; + break; + case 32: /* RGBA 8888 */ + var->red.offset = 16; + var->red.length = 8; + var->green.offset = 8; + var->green.length = 8; + var->blue.offset = 0; + var->blue.length = 8; + var->transp.length = 8; + var->transp.offset = 24; + break; + } + + var->red.msb_right = 0; + var->green.msb_right = 0; + var->blue.msb_right = 0; + var->transp.msb_right = 0; + + if (!info->monspecs.hfmax || !info->monspecs.vfmax || + !info->monspecs.dclkmax || !fb_validate_mode(var, info)) + mode_valid = 1; + + /* calculate modeline if supported by monitor */ + if (!mode_valid && info->monspecs.gtf) { + if (!fb_get_mode(FB_MAXTIMINGS, 0, var, info)) + mode_valid = 1; + } + + if (!mode_valid) { + const struct fb_videomode *mode; + + mode = fb_find_best_mode(var, &info->modelist); + if (mode) { + fb_videomode_to_var(var, mode); + mode_valid = 1; + } + } + + if (!mode_valid && info->monspecs.modedb_len) + return -EINVAL; + + /* + * If we're on a flat panel, check if the mode is outside of the + * panel dimensions. If so, cap it and try for the next best mode + * before bailing out. + */ + if (par->fpWidth && par->fpHeight && (par->fpWidth < var->xres || + par->fpHeight < var->yres)) { + const struct fb_videomode *mode; + + var->xres = par->fpWidth; + var->yres = par->fpHeight; + + mode = fb_find_best_mode(var, &info->modelist); + if (!mode) { + printk(KERN_ERR PFX "mode out of range of flat " + "panel dimensions\n"); + return -EINVAL; + } + + fb_videomode_to_var(var, mode); + } + + if (var->yres_virtual < var->yres) + var->yres_virtual = var->yres; + + if (var->xres_virtual < var->xres) + var->xres_virtual = var->xres; + + var->xres_virtual = (var->xres_virtual + 63) & ~63; + + vramlen = info->screen_size; + pitch = ((var->xres_virtual * var->bits_per_pixel) + 7) / 8; + memlen = pitch * var->yres_virtual; + + if (memlen > vramlen) { + var->yres_virtual = vramlen / pitch; + + if (var->yres_virtual < var->yres) { + var->yres_virtual = var->yres; + var->xres_virtual = vramlen / var->yres_virtual; + var->xres_virtual /= var->bits_per_pixel / 8; + var->xres_virtual &= ~63; + pitch = (var->xres_virtual * + var->bits_per_pixel + 7) / 8; + memlen = pitch * var->yres; + + if (var->xres_virtual < var->xres) { + printk("nvidiafb: required video memory, " + "%d bytes, for %dx%d-%d (virtual) " + "is out of range\n", + memlen, var->xres_virtual, + var->yres_virtual, var->bits_per_pixel); + err = -ENOMEM; + } + } + } + + if (var->accel_flags) { + if (var->yres_virtual > 0x7fff) + var->yres_virtual = 0x7fff; + if (var->xres_virtual > 0x7fff) + var->xres_virtual = 0x7fff; + } + + var->xres_virtual &= ~63; + + NVTRACE_LEAVE(); + + return err; +} + +static int nvidiafb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + struct nvidia_par *par = info->par; + u32 total; + + total = var->yoffset * info->fix.line_length + var->xoffset; + + NVSetStartAddress(par, total); + + return 0; +} + +static int nvidiafb_blank(int blank, struct fb_info *info) +{ + struct nvidia_par *par = info->par; + unsigned char tmp, vesa; + + tmp = NVReadSeq(par, 0x01) & ~0x20; /* screen on/off */ + vesa = NVReadCrtc(par, 0x1a) & ~0xc0; /* sync on/off */ + + NVTRACE_ENTER(); + + if (blank) + tmp |= 0x20; + + switch (blank) { + case FB_BLANK_UNBLANK: + case FB_BLANK_NORMAL: + break; + case FB_BLANK_VSYNC_SUSPEND: + vesa |= 0x80; + break; + case FB_BLANK_HSYNC_SUSPEND: + vesa |= 0x40; + break; + case FB_BLANK_POWERDOWN: + vesa |= 0xc0; + break; + } + + NVWriteSeq(par, 0x01, tmp); + NVWriteCrtc(par, 0x1a, vesa); + + NVTRACE_LEAVE(); + + return 0; +} + +/* + * Because the VGA registers are not mapped linearly in its MMIO space, + * restrict VGA register saving and restore to x86 only, where legacy VGA IO + * access is legal. Consequently, we must also check if the device is the + * primary display. + */ +#ifdef CONFIG_X86 +static void save_vga_x86(struct nvidia_par *par) +{ + struct resource *res= &par->pci_dev->resource[PCI_ROM_RESOURCE]; + + if (res && res->flags & IORESOURCE_ROM_SHADOW) { + memset(&par->vgastate, 0, sizeof(par->vgastate)); + par->vgastate.flags = VGA_SAVE_MODE | VGA_SAVE_FONTS | + VGA_SAVE_CMAP; + save_vga(&par->vgastate); + } +} + +static void restore_vga_x86(struct nvidia_par *par) +{ + struct resource *res= &par->pci_dev->resource[PCI_ROM_RESOURCE]; + + if (res && res->flags & IORESOURCE_ROM_SHADOW) + restore_vga(&par->vgastate); +} +#else +#define save_vga_x86(x) do {} while (0) +#define restore_vga_x86(x) do {} while (0) +#endif /* X86 */ + +static int nvidiafb_open(struct fb_info *info, int user) +{ + struct nvidia_par *par = info->par; + + if (!par->open_count) { + save_vga_x86(par); + nvidia_save_vga(par, &par->initial_state); + } + + par->open_count++; + return 0; +} + +static int nvidiafb_release(struct fb_info *info, int user) +{ + struct nvidia_par *par = info->par; + int err = 0; + + if (!par->open_count) { + err = -EINVAL; + goto done; + } + + if (par->open_count == 1) { + nvidia_write_regs(par, &par->initial_state); + restore_vga_x86(par); + } + + par->open_count--; +done: + return err; +} + +static struct fb_ops nvidia_fb_ops = { + .owner = THIS_MODULE, + .fb_open = nvidiafb_open, + .fb_release = nvidiafb_release, + .fb_check_var = nvidiafb_check_var, + .fb_set_par = nvidiafb_set_par, + .fb_setcolreg = nvidiafb_setcolreg, + .fb_pan_display = nvidiafb_pan_display, + .fb_blank = nvidiafb_blank, + .fb_fillrect = nvidiafb_fillrect, + .fb_copyarea = nvidiafb_copyarea, + .fb_imageblit = nvidiafb_imageblit, + .fb_cursor = nvidiafb_cursor, + .fb_sync = nvidiafb_sync, +}; + +#ifdef CONFIG_PM +static int nvidiafb_suspend(struct pci_dev *dev, pm_message_t mesg) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct nvidia_par *par = info->par; + + if (mesg.event == PM_EVENT_PRETHAW) + mesg.event = PM_EVENT_FREEZE; + console_lock(); + par->pm_state = mesg.event; + + if (mesg.event & PM_EVENT_SLEEP) { + fb_set_suspend(info, 1); + nvidiafb_blank(FB_BLANK_POWERDOWN, info); + nvidia_write_regs(par, &par->SavedReg); + pci_save_state(dev); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, mesg)); + } + dev->dev.power.power_state = mesg; + + console_unlock(); + return 0; +} + +static int nvidiafb_resume(struct pci_dev *dev) +{ + struct fb_info *info = pci_get_drvdata(dev); + struct nvidia_par *par = info->par; + + console_lock(); + pci_set_power_state(dev, PCI_D0); + + if (par->pm_state != PM_EVENT_FREEZE) { + pci_restore_state(dev); + + if (pci_enable_device(dev)) + goto fail; + + pci_set_master(dev); + } + + par->pm_state = PM_EVENT_ON; + nvidiafb_set_par(info); + fb_set_suspend (info, 0); + nvidiafb_blank(FB_BLANK_UNBLANK, info); + +fail: + console_unlock(); + return 0; +} +#else +#define nvidiafb_suspend NULL +#define nvidiafb_resume NULL +#endif + +static int nvidia_set_fbinfo(struct fb_info *info) +{ + struct fb_monspecs *specs = &info->monspecs; + struct fb_videomode modedb; + struct nvidia_par *par = info->par; + int lpitch; + + NVTRACE_ENTER(); + info->flags = FBINFO_DEFAULT + | FBINFO_HWACCEL_IMAGEBLIT + | FBINFO_HWACCEL_FILLRECT + | FBINFO_HWACCEL_COPYAREA + | FBINFO_HWACCEL_YPAN; + + fb_videomode_to_modelist(info->monspecs.modedb, + info->monspecs.modedb_len, &info->modelist); + fb_var_to_videomode(&modedb, &nvidiafb_default_var); + + switch (bpp) { + case 0 ... 8: + bpp = 8; + break; + case 9 ... 16: + bpp = 16; + break; + default: + bpp = 32; + break; + } + + if (specs->modedb != NULL) { + const struct fb_videomode *mode; + + mode = fb_find_best_display(specs, &info->modelist); + fb_videomode_to_var(&nvidiafb_default_var, mode); + nvidiafb_default_var.bits_per_pixel = bpp; + } else if (par->fpWidth && par->fpHeight) { + char buf[16]; + + memset(buf, 0, 16); + snprintf(buf, 15, "%dx%dMR", par->fpWidth, par->fpHeight); + fb_find_mode(&nvidiafb_default_var, info, buf, specs->modedb, + specs->modedb_len, &modedb, bpp); + } + + if (mode_option) + fb_find_mode(&nvidiafb_default_var, info, mode_option, + specs->modedb, specs->modedb_len, &modedb, bpp); + + info->var = nvidiafb_default_var; + info->fix.visual = (info->var.bits_per_pixel == 8) ? + FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR; + info->pseudo_palette = par->pseudo_palette; + fb_alloc_cmap(&info->cmap, 256, 0); + fb_destroy_modedb(info->monspecs.modedb); + info->monspecs.modedb = NULL; + + /* maximize virtual vertical length */ + lpitch = info->var.xres_virtual * + ((info->var.bits_per_pixel + 7) >> 3); + info->var.yres_virtual = info->screen_size / lpitch; + + info->pixmap.scan_align = 4; + info->pixmap.buf_align = 4; + info->pixmap.access_align = 32; + info->pixmap.size = 8 * 1024; + info->pixmap.flags = FB_PIXMAP_SYSTEM; + + if (!hwcur) + info->fbops->fb_cursor = NULL; + + info->var.accel_flags = (!noaccel); + + switch (par->Architecture) { + case NV_ARCH_04: + info->fix.accel = FB_ACCEL_NV4; + break; + case NV_ARCH_10: + info->fix.accel = FB_ACCEL_NV_10; + break; + case NV_ARCH_20: + info->fix.accel = FB_ACCEL_NV_20; + break; + case NV_ARCH_30: + info->fix.accel = FB_ACCEL_NV_30; + break; + case NV_ARCH_40: + info->fix.accel = FB_ACCEL_NV_40; + break; + } + + NVTRACE_LEAVE(); + + return nvidiafb_check_var(&info->var, info); +} + +static u32 nvidia_get_chipset(struct fb_info *info) +{ + struct nvidia_par *par = info->par; + u32 id = (par->pci_dev->vendor << 16) | par->pci_dev->device; + + printk(KERN_INFO PFX "Device ID: %x \n", id); + + if ((id & 0xfff0) == 0x00f0 || + (id & 0xfff0) == 0x02e0) { + /* pci-e */ + id = NV_RD32(par->REGS, 0x1800); + + if ((id & 0x0000ffff) == 0x000010DE) + id = 0x10DE0000 | (id >> 16); + else if ((id & 0xffff0000) == 0xDE100000) /* wrong endian */ + id = 0x10DE0000 | ((id << 8) & 0x0000ff00) | + ((id >> 8) & 0x000000ff); + printk(KERN_INFO PFX "Subsystem ID: %x \n", id); + } + + return id; +} + +static u32 nvidia_get_arch(struct fb_info *info) +{ + struct nvidia_par *par = info->par; + u32 arch = 0; + + switch (par->Chipset & 0x0ff0) { + case 0x0100: /* GeForce 256 */ + case 0x0110: /* GeForce2 MX */ + case 0x0150: /* GeForce2 */ + case 0x0170: /* GeForce4 MX */ + case 0x0180: /* GeForce4 MX (8x AGP) */ + case 0x01A0: /* nForce */ + case 0x01F0: /* nForce2 */ + arch = NV_ARCH_10; + break; + case 0x0200: /* GeForce3 */ + case 0x0250: /* GeForce4 Ti */ + case 0x0280: /* GeForce4 Ti (8x AGP) */ + arch = NV_ARCH_20; + break; + case 0x0300: /* GeForceFX 5800 */ + case 0x0310: /* GeForceFX 5600 */ + case 0x0320: /* GeForceFX 5200 */ + case 0x0330: /* GeForceFX 5900 */ + case 0x0340: /* GeForceFX 5700 */ + arch = NV_ARCH_30; + break; + case 0x0040: /* GeForce 6800 */ + case 0x00C0: /* GeForce 6800 */ + case 0x0120: /* GeForce 6800 */ + case 0x0140: /* GeForce 6600 */ + case 0x0160: /* GeForce 6200 */ + case 0x01D0: /* GeForce 7200, 7300, 7400 */ + case 0x0090: /* GeForce 7800 */ + case 0x0210: /* GeForce 6800 */ + case 0x0220: /* GeForce 6200 */ + case 0x0240: /* GeForce 6100 */ + case 0x0290: /* GeForce 7900 */ + case 0x0390: /* GeForce 7600 */ + case 0x03D0: + arch = NV_ARCH_40; + break; + case 0x0020: /* TNT, TNT2 */ + arch = NV_ARCH_04; + break; + default: /* unknown architecture */ + break; + } + + return arch; +} + +static int nvidiafb_probe(struct pci_dev *pd, const struct pci_device_id *ent) +{ + struct nvidia_par *par; + struct fb_info *info; + unsigned short cmd; + + + NVTRACE_ENTER(); + assert(pd != NULL); + + info = framebuffer_alloc(sizeof(struct nvidia_par), &pd->dev); + + if (!info) + goto err_out; + + par = info->par; + par->pci_dev = pd; + info->pixmap.addr = kzalloc(8 * 1024, GFP_KERNEL); + + if (info->pixmap.addr == NULL) + goto err_out_kfree; + + if (pci_enable_device(pd)) { + printk(KERN_ERR PFX "cannot enable PCI device\n"); + goto err_out_enable; + } + + if (pci_request_regions(pd, "nvidiafb")) { + printk(KERN_ERR PFX "cannot request PCI regions\n"); + goto err_out_enable; + } + + par->FlatPanel = flatpanel; + if (flatpanel == 1) + printk(KERN_INFO PFX "flatpanel support enabled\n"); + par->FPDither = fpdither; + + par->CRTCnumber = forceCRTC; + par->FpScale = (!noscale); + par->paneltweak = paneltweak; + par->reverse_i2c = reverse_i2c; + + /* enable IO and mem if not already done */ + pci_read_config_word(pd, PCI_COMMAND, &cmd); + cmd |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY); + pci_write_config_word(pd, PCI_COMMAND, cmd); + + nvidiafb_fix.mmio_start = pci_resource_start(pd, 0); + nvidiafb_fix.smem_start = pci_resource_start(pd, 1); + nvidiafb_fix.mmio_len = pci_resource_len(pd, 0); + + par->REGS = ioremap(nvidiafb_fix.mmio_start, nvidiafb_fix.mmio_len); + + if (!par->REGS) { + printk(KERN_ERR PFX "cannot ioremap MMIO base\n"); + goto err_out_free_base0; + } + + par->Chipset = nvidia_get_chipset(info); + par->Architecture = nvidia_get_arch(info); + + if (par->Architecture == 0) { + printk(KERN_ERR PFX "unknown NV_ARCH\n"); + goto err_out_arch; + } + + sprintf(nvidiafb_fix.id, "NV%x", (pd->device & 0x0ff0) >> 4); + + if (NVCommonSetup(info)) + goto err_out_arch; + + par->FbAddress = nvidiafb_fix.smem_start; + par->FbMapSize = par->RamAmountKBytes * 1024; + if (vram && vram * 1024 * 1024 < par->FbMapSize) + par->FbMapSize = vram * 1024 * 1024; + + /* Limit amount of vram to 64 MB */ + if (par->FbMapSize > 64 * 1024 * 1024) + par->FbMapSize = 64 * 1024 * 1024; + + if(par->Architecture >= NV_ARCH_40) + par->FbUsableSize = par->FbMapSize - (560 * 1024); + else + par->FbUsableSize = par->FbMapSize - (128 * 1024); + par->ScratchBufferSize = (par->Architecture < NV_ARCH_10) ? 8 * 1024 : + 16 * 1024; + par->ScratchBufferStart = par->FbUsableSize - par->ScratchBufferSize; + par->CursorStart = par->FbUsableSize + (32 * 1024); + + info->screen_base = ioremap(nvidiafb_fix.smem_start, par->FbMapSize); + info->screen_size = par->FbUsableSize; + nvidiafb_fix.smem_len = par->RamAmountKBytes * 1024; + + if (!info->screen_base) { + printk(KERN_ERR PFX "cannot ioremap FB base\n"); + goto err_out_free_base1; + } + + par->FbStart = info->screen_base; + +#ifdef CONFIG_MTRR + if (!nomtrr) { + par->mtrr.vram = mtrr_add(nvidiafb_fix.smem_start, + par->RamAmountKBytes * 1024, + MTRR_TYPE_WRCOMB, 1); + if (par->mtrr.vram < 0) { + printk(KERN_ERR PFX "unable to setup MTRR\n"); + } else { + par->mtrr.vram_valid = 1; + /* let there be speed */ + printk(KERN_INFO PFX "MTRR set to ON\n"); + } + } +#endif /* CONFIG_MTRR */ + + info->fbops = &nvidia_fb_ops; + info->fix = nvidiafb_fix; + + if (nvidia_set_fbinfo(info) < 0) { + printk(KERN_ERR PFX "error setting initial video mode\n"); + goto err_out_iounmap_fb; + } + + nvidia_save_vga(par, &par->SavedReg); + + pci_set_drvdata(pd, info); + + if (backlight) + nvidia_bl_init(par); + + if (register_framebuffer(info) < 0) { + printk(KERN_ERR PFX "error registering nVidia framebuffer\n"); + goto err_out_iounmap_fb; + } + + + printk(KERN_INFO PFX + "PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n", + info->fix.id, + par->FbMapSize / (1024 * 1024), info->fix.smem_start); + + NVTRACE_LEAVE(); + return 0; + +err_out_iounmap_fb: + iounmap(info->screen_base); +err_out_free_base1: + fb_destroy_modedb(info->monspecs.modedb); + nvidia_delete_i2c_busses(par); +err_out_arch: + iounmap(par->REGS); + err_out_free_base0: + pci_release_regions(pd); +err_out_enable: + kfree(info->pixmap.addr); +err_out_kfree: + framebuffer_release(info); +err_out: + return -ENODEV; +} + +static void nvidiafb_remove(struct pci_dev *pd) +{ + struct fb_info *info = pci_get_drvdata(pd); + struct nvidia_par *par = info->par; + + NVTRACE_ENTER(); + + unregister_framebuffer(info); + + nvidia_bl_exit(par); + +#ifdef CONFIG_MTRR + if (par->mtrr.vram_valid) + mtrr_del(par->mtrr.vram, info->fix.smem_start, + info->fix.smem_len); +#endif /* CONFIG_MTRR */ + + iounmap(info->screen_base); + fb_destroy_modedb(info->monspecs.modedb); + nvidia_delete_i2c_busses(par); + iounmap(par->REGS); + pci_release_regions(pd); + kfree(info->pixmap.addr); + framebuffer_release(info); + NVTRACE_LEAVE(); +} + +/* ------------------------------------------------------------------------- * + * + * initialization + * + * ------------------------------------------------------------------------- */ + +#ifndef MODULE +static int nvidiafb_setup(char *options) +{ + char *this_opt; + + NVTRACE_ENTER(); + if (!options || !*options) + return 0; + + while ((this_opt = strsep(&options, ",")) != NULL) { + if (!strncmp(this_opt, "forceCRTC", 9)) { + char *p; + + p = this_opt + 9; + if (!*p || !*(++p)) + continue; + forceCRTC = *p - '0'; + if (forceCRTC < 0 || forceCRTC > 1) + forceCRTC = -1; + } else if (!strncmp(this_opt, "flatpanel", 9)) { + flatpanel = 1; + } else if (!strncmp(this_opt, "hwcur", 5)) { + hwcur = 1; + } else if (!strncmp(this_opt, "noaccel", 6)) { + noaccel = 1; + } else if (!strncmp(this_opt, "noscale", 7)) { + noscale = 1; + } else if (!strncmp(this_opt, "reverse_i2c", 11)) { + reverse_i2c = 1; + } else if (!strncmp(this_opt, "paneltweak:", 11)) { + paneltweak = simple_strtoul(this_opt+11, NULL, 0); + } else if (!strncmp(this_opt, "vram:", 5)) { + vram = simple_strtoul(this_opt+5, NULL, 0); + } else if (!strncmp(this_opt, "backlight:", 10)) { + backlight = simple_strtoul(this_opt+10, NULL, 0); +#ifdef CONFIG_MTRR + } else if (!strncmp(this_opt, "nomtrr", 6)) { + nomtrr = true; +#endif + } else if (!strncmp(this_opt, "fpdither:", 9)) { + fpdither = simple_strtol(this_opt+9, NULL, 0); + } else if (!strncmp(this_opt, "bpp:", 4)) { + bpp = simple_strtoul(this_opt+4, NULL, 0); + } else + mode_option = this_opt; + } + NVTRACE_LEAVE(); + return 0; +} +#endif /* !MODULE */ + +static struct pci_driver nvidiafb_driver = { + .name = "nvidiafb", + .id_table = nvidiafb_pci_tbl, + .probe = nvidiafb_probe, + .suspend = nvidiafb_suspend, + .resume = nvidiafb_resume, + .remove = nvidiafb_remove, +}; + +/* ------------------------------------------------------------------------- * + * + * modularization + * + * ------------------------------------------------------------------------- */ + +static int nvidiafb_init(void) +{ +#ifndef MODULE + char *option = NULL; + + if (fb_get_options("nvidiafb", &option)) + return -ENODEV; + nvidiafb_setup(option); +#endif + return pci_register_driver(&nvidiafb_driver); +} + +module_init(nvidiafb_init); + +static void __exit nvidiafb_exit(void) +{ + pci_unregister_driver(&nvidiafb_driver); +} + +module_exit(nvidiafb_exit); + +module_param(flatpanel, int, 0); +MODULE_PARM_DESC(flatpanel, + "Enables experimental flat panel support for some chipsets. " + "(0=disabled, 1=enabled, -1=autodetect) (default=-1)"); +module_param(fpdither, int, 0); +MODULE_PARM_DESC(fpdither, + "Enables dithering of flat panel for 6 bits panels. " + "(0=disabled, 1=enabled, -1=autodetect) (default=-1)"); +module_param(hwcur, int, 0); +MODULE_PARM_DESC(hwcur, + "Enables hardware cursor implementation. (0 or 1=enabled) " + "(default=0)"); +module_param(noaccel, int, 0); +MODULE_PARM_DESC(noaccel, + "Disables hardware acceleration. (0 or 1=disable) " + "(default=0)"); +module_param(noscale, int, 0); +MODULE_PARM_DESC(noscale, + "Disables screen scaleing. (0 or 1=disable) " + "(default=0, do scaling)"); +module_param(paneltweak, int, 0); +MODULE_PARM_DESC(paneltweak, + "Tweak display settings for flatpanels. " + "(default=0, no tweaks)"); +module_param(forceCRTC, int, 0); +MODULE_PARM_DESC(forceCRTC, + "Forces usage of a particular CRTC in case autodetection " + "fails. (0 or 1) (default=autodetect)"); +module_param(vram, int, 0); +MODULE_PARM_DESC(vram, + "amount of framebuffer memory to remap in MiB" + "(default=0 - remap entire memory)"); +module_param(mode_option, charp, 0); +MODULE_PARM_DESC(mode_option, "Specify initial video mode"); +module_param(bpp, int, 0); +MODULE_PARM_DESC(bpp, "pixel width in bits" + "(default=8)"); +module_param(reverse_i2c, int, 0); +MODULE_PARM_DESC(reverse_i2c, "reverse port assignment of the i2c bus"); +#ifdef CONFIG_MTRR +module_param(nomtrr, bool, false); +MODULE_PARM_DESC(nomtrr, "Disables MTRR support (0 or 1=disabled) " + "(default=0)"); +#endif + +MODULE_AUTHOR("Antonino Daplas"); +MODULE_DESCRIPTION("Framebuffer driver for nVidia graphics chipset"); +MODULE_LICENSE("GPL"); |