--- /dev/null
+/*
+ * 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_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");
Code Review / kvmfornfv.git / blobdiff