Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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/*
* 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_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 const 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;
static bool nomtrr = false;
static int backlight = IS_BUILTIN(CONFIG_PMAC_BACKLIGHT);
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_array(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 struct fb_ops nvidia_fb_ops;
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) {
<------><------>nvidia_fb_ops.fb_imageblit = nvidiafb_imageblit;
<------><------>nvidia_fb_ops.fb_fillrect = nvidiafb_fillrect;
<------><------>nvidia_fb_ops.fb_copyarea = nvidiafb_copyarea;
<------><------>nvidia_fb_ops.fb_sync = nvidiafb_sync;
<------><------>info->pixmap.scan_align = 4;
<------><------>info->flags &= ~FBINFO_HWACCEL_DISABLED;
<------><------>info->flags |= FBINFO_READS_FAST;
<------><------>NVResetGraphics(info);
<------>} else {
<------><------>nvidia_fb_ops.fb_imageblit = cfb_imageblit;
<------><------>nvidia_fb_ops.fb_fillrect = cfb_fillrect;
<------><------>nvidia_fb_ops.fb_copyarea = cfb_copyarea;
<------><------>nvidia_fb_ops.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,
};
static int nvidiafb_suspend_late(struct device *dev, pm_message_t mesg)
{
<------>struct fb_info *info = dev_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);
<------>}
<------>dev->power.power_state = mesg;
<------>console_unlock();
<------>return 0;
}
static int __maybe_unused nvidiafb_suspend(struct device *dev)
{
<------>return nvidiafb_suspend_late(dev, PMSG_SUSPEND);
}
static int __maybe_unused nvidiafb_hibernate(struct device *dev)
{
<------>return nvidiafb_suspend_late(dev, PMSG_HIBERNATE);
}
static int __maybe_unused nvidiafb_freeze(struct device *dev)
{
<------>return nvidiafb_suspend_late(dev, PMSG_FREEZE);
}
static int __maybe_unused nvidiafb_resume(struct device *dev)
{
<------>struct fb_info *info = dev_get_drvdata(dev);
<------>struct nvidia_par *par = info->par;
<------>console_lock();
<------>par->pm_state = PM_EVENT_ON;
<------>nvidiafb_set_par(info);
<------>fb_set_suspend (info, 0);
<------>nvidiafb_blank(FB_BLANK_UNBLANK, info);
<------>console_unlock();
<------>return 0;
}
static const struct dev_pm_ops nvidiafb_pm_ops = {
#ifdef CONFIG_PM_SLEEP
<------>.suspend = nvidiafb_suspend,
<------>.resume = nvidiafb_resume,
<------>.freeze = nvidiafb_freeze,
<------>.thaw = nvidiafb_resume,
<------>.poweroff = nvidiafb_hibernate,
<------>.restore = nvidiafb_resume,
#endif /* CONFIG_PM_SLEEP */
};
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)
<------> nvidia_fb_ops.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_wc(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;
<------>if (!nomtrr)
<------><------>par->wc_cookie = arch_phys_wc_add(nvidiafb_fix.smem_start,
<------><------><------><------><------><------> par->RamAmountKBytes * 1024);
<------>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);
<------>arch_phys_wc_del(par->wc_cookie);
<------>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);
<------><------>} else if (!strncmp(this_opt, "nomtrr", 6)) {
<------><------><------>nomtrr = true;
<------><------>} 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,
<------>.driver.pm = &nvidiafb_pm_ops,
<------>.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 scaling. (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");
module_param(nomtrr, bool, false);
MODULE_PARM_DESC(nomtrr, "Disables MTRR support (0 or 1=disabled) "
<------><------> "(default=0)");
MODULE_AUTHOR("Antonino Daplas");
MODULE_DESCRIPTION("Framebuffer driver for nVidia graphics chipset");
MODULE_LICENSE("GPL");