sis_main.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:65k
- /*
- * SiS 300/630/540/315H/315 frame buffer device For Kernal 2.4.x
- *
- * This driver is partly based on the VBE 2.0 compliant graphic
- * boards framebuffer driver, which is
- *
- * (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de>
- *
- */
- //#undef SISFBDEBUG
- #include <linux/config.h>
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/errno.h>
- #include <linux/string.h>
- #include <linux/mm.h>
- #include <linux/tty.h>
- #include <linux/slab.h>
- #include <linux/delay.h>
- #include <linux/fb.h>
- #include <linux/console.h>
- #include <linux/selection.h>
- #include <linux/ioport.h>
- #include <linux/init.h>
- #include <linux/pci.h>
- #include <linux/vt_kern.h>
- #include <linux/capability.h>
- #include <linux/fs.h>
- #include <linux/agp_backend.h>
- #include <linux/types.h>
- #include <linux/sisfb.h>
- #include <asm/io.h>
- #include <asm/mtrr.h>
- #include <video/fbcon.h>
- #include <video/fbcon-cfb8.h>
- #include <video/fbcon-cfb16.h>
- #include <video/fbcon-cfb24.h>
- #include <video/fbcon-cfb32.h>
- #include "osdef.h"
- #include "vgatypes.h"
- #include "sis_main.h"
- /* -------------------- Macro definitions ---------------------------- */
- #ifdef SISFBDEBUG
- #define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
- #else
- #define DPRINTK(fmt, args...)
- #endif
- #define vgawb(reg,data)
- (outb(data, ivideo.vga_base+reg))
- #define vgaww(reg,data)
- (outw(data, ivideo.vga_base+reg))
- #define vgawl(reg,data)
- (outl(data, ivideo.vga_base+reg))
- #define vgarb(reg)
- (inb(ivideo.vga_base+reg))
- /* --------------- Hardware Access Routines -------------------------- */
- void sisfb_set_reg1 (u16 port, u16 index, u16 data)
- {
- outb ((u8) (index & 0xff), port);
- port++;
- outb ((u8) (data & 0xff), port);
- }
- void sisfb_set_reg3 (u16 port, u16 data)
- {
- outb ((u8) (data & 0xff), port);
- }
- void sisfb_set_reg4 (u16 port, unsigned long data)
- {
- outl ((u32) (data & 0xffffffff), port);
- }
- u8 sisfb_get_reg1 (u16 port, u16 index)
- {
- u8 data;
- outb ((u8) (index & 0xff), port);
- port += 1;
- data = inb (port);
- return (data);
- }
- u8 sisfb_get_reg2 (u16 port)
- {
- u8 data;
- data = inb (port);
- return (data);
- }
- u32 sisfb_get_reg3 (u16 port)
- {
- u32 data;
- data = inl (port);
- return (data);
- }
- /* --------------- Interface to BIOS code ---------------------------- */
- BOOLEAN sisfb_query_VGA_config_space (PSIS_HW_DEVICE_INFO psishw_ext,
- unsigned long offset, unsigned long set,
- unsigned long *value)
- {
- static struct pci_dev *pdev = NULL;
- static unsigned char init = 0, valid_pdev = 0;
- if (!set)
- DPRINTK ("Get VGA offset 0x%lxn", offset);
- else
- DPRINTK ("Set offset 0x%lx to 0x%lxn", offset, *value);
- if (!init) {
- init = TRUE;
- pci_for_each_dev (pdev) {
- DPRINTK ("Current: 0x%x, target: 0x%xn", pdev->device,
- ivideo.chip_id);
- if ((pdev->vendor == PCI_VENDOR_ID_SI)
- && (pdev->device == ivideo.chip_id)) {
- valid_pdev = TRUE;
- break;
- }
- }
- }
- if (!valid_pdev) {
- printk (KERN_DEBUG "Can't find SiS %d VGA device.n",
- ivideo.chip_id);
- return FALSE;
- }
- if (set == 0)
- pci_read_config_dword (pdev, offset, (u32 *) value);
- else
- pci_write_config_dword (pdev, offset, (u32) (*value));
- return TRUE;
- }
- BOOLEAN sisfb_query_north_bridge_space (PSIS_HW_DEVICE_INFO psishw_ext,
- unsigned long offset, unsigned long set,
- unsigned long *value)
- {
- static struct pci_dev *pdev = NULL;
- static unsigned char init = 0, valid_pdev = 0;
- u16 nbridge_id = 0;
- if (!init) {
- init = TRUE;
- switch (ivideo.chip) {
- case SIS_540:
- nbridge_id = PCI_DEVICE_ID_SI_540;
- break;
- case SIS_630:
- nbridge_id = PCI_DEVICE_ID_SI_630;
- break;
- case SIS_730:
- nbridge_id = PCI_DEVICE_ID_SI_730;
- break;
- case SIS_550:
- nbridge_id = PCI_DEVICE_ID_SI_550;
- break;
- default:
- nbridge_id = 0;
- break;
- }
- pci_for_each_dev (pdev) {
- DPRINTK ("Current: 0x%x, target: 0x%xn", pdev->device,
- ivideo.chip_id);
- if ((pdev->vendor == PCI_VENDOR_ID_SI)
- && (pdev->device == nbridge_id)) {
- valid_pdev = TRUE;
- break;
- }
- }
- }
- if (!valid_pdev) {
- printk (KERN_DEBUG "Can't find SiS %d North Bridge device.n",
- nbridge_id);
- return FALSE;
- }
- if (set == 0)
- pci_read_config_dword (pdev, offset, (u32 *) value);
- else
- pci_write_config_dword (pdev, offset, (u32) (*value));
- return TRUE;
- }
- /* -------------------- Export functions ----------------------------- */
- static void sis_get_glyph (SIS_GLYINFO * gly)
- {
- struct display *p = &fb_display[currcon];
- u16 c;
- u8 *cdat;
- int widthb;
- u8 *gbuf = gly->gmask;
- int size;
- gly->fontheight = fontheight (p);
- gly->fontwidth = fontwidth (p);
- widthb = (fontwidth (p) + 7) / 8;
- c = gly->ch & p->charmask;
- if (fontwidth (p) <= 8)
- cdat = p->fontdata + c * fontheight (p);
- else
- cdat = p->fontdata + (c * fontheight (p) << 1);
- size = fontheight (p) * widthb;
- memcpy (gbuf, cdat, size);
- gly->ngmask = size;
- }
- void sis_dispinfo (struct ap_data *rec)
- {
- rec->minfo.bpp = ivideo.video_bpp;
- rec->minfo.xres = ivideo.video_width;
- rec->minfo.yres = ivideo.video_height;
- rec->minfo.v_xres = ivideo.video_vwidth;
- rec->minfo.v_yres = ivideo.video_vheight;
- rec->minfo.org_x = ivideo.org_x;
- rec->minfo.org_y = ivideo.org_y;
- rec->minfo.vrate = ivideo.refresh_rate;
- rec->iobase = ivideo.vga_base - 0x30;
- rec->mem_size = ivideo.video_size;
- rec->disp_state = ivideo.disp_state;
- rec->version = (VER_MAJOR << 24) | (VER_MINOR << 16) | VER_LEVEL;
- rec->hasVB = ivideo.hasVB;
- rec->TV_type = ivideo.TV_type;
- rec->TV_plug = ivideo.TV_plug;
- rec->chip = ivideo.chip;
- }
- /* ------------------ Internal Routines ------------------------------ */
- static void sisfb_search_mode (const char *name)
- {
- int i = 0;
- if (name == NULL)
- return;
- while (sisbios_mode[i].mode_no != 0) {
- if (!strcmp (name, sisbios_mode[i].name)) {
- sisfb_mode_idx = i;
- break;
- }
- i++;
- }
- if (sisfb_mode_idx < 0)
- DPRINTK ("Invalid user mode : %sn", name);
- }
- static void sisfb_validate_mode (void)
- {
- switch (ivideo.disp_state & DISPTYPE_DISP2) {
- case DISPTYPE_LCD:
- // Eden Chen
- switch (sishw_ext.ulCRT2LCDType) {
- case LCD_1024x768:
- if (sisbios_mode[sisfb_mode_idx].xres > 1024)
- sisfb_mode_idx = -1;
- break;
- case LCD_1280x1024:
- case LCD_1280x960:
- if (sisbios_mode[sisfb_mode_idx].xres > 1280)
- sisfb_mode_idx = -1;
- break;
- case LCD_2048x1536:
- if (sisbios_mode[sisfb_mode_idx].xres > 2048)
- sisfb_mode_idx = -1;
- break;
- case LCD_1920x1440:
- if (sisbios_mode[sisfb_mode_idx].xres > 1920)
- sisfb_mode_idx = -1;
- break;
- case LCD_1600x1200:
- if (sisbios_mode[sisfb_mode_idx].xres > 1600)
- sisfb_mode_idx = -1;
- break;
- case LCD_800x600:
- if (sisbios_mode[sisfb_mode_idx].xres > 800)
- sisfb_mode_idx = -1;
- break;
- case LCD_640x480:
- if (sisbios_mode[sisfb_mode_idx].xres > 640)
- sisfb_mode_idx = -1;
- break;
- default:
- sisfb_mode_idx = -1;
- }
- // ~Eden Chen
- if (sisbios_mode[sisfb_mode_idx].xres == 720)
- sisfb_mode_idx = -1;
- break;
- case DISPTYPE_TV:
- switch (sisbios_mode[sisfb_mode_idx].xres) {
- case 800:
- case 640:
- break;
- case 720:
- if (ivideo.TV_type == TVMODE_NTSC) {
- if (sisbios_mode[sisfb_mode_idx].yres != 480)
- sisfb_mode_idx = -1;
- } else if (ivideo.TV_type == TVMODE_PAL) {
- if (sisbios_mode[sisfb_mode_idx].yres != 576)
- sisfb_mode_idx = -1;
- }
- break;
- /*karl */
- case 1024:
- if (ivideo.TV_type == TVMODE_NTSC) {
- if (sisbios_mode[sisfb_mode_idx].bpp == 32)
- sisfb_mode_idx -= 1;
- }
- break;
- default:
- sisfb_mode_idx = -1;
- }
- break;
- }
- }
- static u8 sisfb_search_refresh_rate (unsigned int rate)
- {
- u16 xres, yres;
- int i = 0;
- xres = sisbios_mode[sisfb_mode_idx].xres;
- yres = sisbios_mode[sisfb_mode_idx].yres;
- sisfb_rate_idx = 0;
- while ((sisfb_vrate[i].idx != 0) && (sisfb_vrate[i].xres <= xres)) {
- if ((sisfb_vrate[i].xres == xres)
- && (sisfb_vrate[i].yres == yres)) {
- if (sisfb_vrate[i].refresh == rate) {
- sisfb_rate_idx = sisfb_vrate[i].idx;
- break;
- } else if (sisfb_vrate[i].refresh > rate) {
- if ((sisfb_vrate[i].refresh - rate) <= 2) {
- DPRINTK
- ("Adjust rate from %d up to %dn",
- rate, sisfb_vrate[i].refresh);
- sisfb_rate_idx = sisfb_vrate[i].idx;
- ivideo.refresh_rate =
- sisfb_vrate[i].refresh;
- } else if (((rate - sisfb_vrate[i - 1].refresh) <= 2)
- && (sisfb_vrate[i].idx != 1)) {
- DPRINTK("Adjust rate from %d down to %dn",
- rate, sisfb_vrate[i - 1].refresh);
- sisfb_rate_idx = sisfb_vrate[i - 1].idx;
- ivideo.refresh_rate = sisfb_vrate[i - 1].refresh;
- }
- break;
- }
- }
- i++;
- }
- if (sisfb_rate_idx > 0) {
- return sisfb_rate_idx;
- } else {
- DPRINTK ("Unsupported rate %d for %dx%d moden", rate, xres,
- yres);
- return 0;
- }
- }
- static int sis_getcolreg (unsigned regno, unsigned *red, unsigned *green, unsigned *blue,
- unsigned *transp, struct fb_info *fb_info)
- {
- if (regno >= video_cmap_len)
- return 1;
- *red = palette[regno].red;
- *green = palette[regno].green;
- *blue = palette[regno].blue;
- *transp = 0;
- return 0;
- }
- static int sis_setcolreg (unsigned regno, unsigned red, unsigned green, unsigned blue,
- unsigned transp, struct fb_info *fb_info)
- {
- if (regno >= video_cmap_len)
- return 1;
- palette[regno].red = red;
- palette[regno].green = green;
- palette[regno].blue = blue;
- switch (ivideo.video_bpp) {
- #ifdef FBCON_HAS_CFB8
- case 8:
- vgawb (DAC_ADR, regno);
- vgawb (DAC_DATA, red >> 10);
- vgawb (DAC_DATA, green >> 10);
- vgawb (DAC_DATA, blue >> 10);
- if (ivideo.disp_state & DISPTYPE_DISP2) {
- vgawb (DAC2_ADR, regno);
- vgawb (DAC2_DATA, red >> 8);
- vgawb (DAC2_DATA, green >> 8);
- vgawb (DAC2_DATA, blue >> 8);
- }
- break;
- #endif
- #ifdef FBCON_HAS_CFB16
- case 15:
- case 16:
- fbcon_cmap.cfb16[regno] =
- ((red & 0xf800)) |
- ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11);
- break;
- #endif
- #ifdef FBCON_HAS_CFB24
- case 24:
- red >>= 8;
- green >>= 8;
- blue >>= 8;
- fbcon_cmap.cfb24[regno] = (red << 16) | (green << 8) | (blue);
- break;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 32:
- red >>= 8;
- green >>= 8;
- blue >>= 8;
- fbcon_cmap.cfb32[regno] = (red << 16) | (green << 8) | (blue);
- break;
- #endif
- }
- return 0;
- }
- static int sisfb_do_set_var (struct fb_var_screeninfo *var, int isactive,
- struct fb_info *info)
- {
- unsigned int htotal =
- var->left_margin + var->xres + var->right_margin + var->hsync_len;
- unsigned int vtotal =
- var->upper_margin + var->yres + var->lower_margin + var->vsync_len;
- double drate = 0, hrate = 0;
- int found_mode = 0;
- int old_mode;
- if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
- vtotal <<= 1;
- else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
- vtotal <<= 2;
- else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED)
- var->yres <<= 1;
- if (!htotal || !vtotal) {
- DPRINTK ("Invalid 'var' Information!n");
- return -EINVAL;
- }
- drate = 1E12 / var->pixclock;
- hrate = drate / htotal;
- ivideo.refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
- DPRINTK ("Chagne mode to %dx%dx%d-%dMHzn",
- var->xres, var->yres, var->bits_per_pixel,
- ivideo.refresh_rate);
- old_mode = sisfb_mode_idx;
- sisfb_mode_idx = 0;
- while ((sisbios_mode[sisfb_mode_idx].mode_no != 0)
- && (sisbios_mode[sisfb_mode_idx].xres <= var->xres)) {
- if ((sisbios_mode[sisfb_mode_idx].xres == var->xres)
- && (sisbios_mode[sisfb_mode_idx].yres == var->yres)
- && (sisbios_mode[sisfb_mode_idx].bpp ==
- var->bits_per_pixel)) {
- sisfb_mode_no = sisbios_mode[sisfb_mode_idx].mode_no;
- found_mode = 1;
- break;
- }
- sisfb_mode_idx++;
- }
- if (found_mode)
- sisfb_validate_mode ();
- else
- sisfb_mode_idx = -1;
- if (sisfb_mode_idx < 0) {
- DPRINTK ("sisfb does not support mode %dx%d-%dn", var->xres,
- var->yres, var->bits_per_pixel);
- sisfb_mode_idx = old_mode;
- return -EINVAL;
- }
- if (sisfb_search_refresh_rate (ivideo.refresh_rate) == 0) {
- sisfb_rate_idx = sisbios_mode[sisfb_mode_idx].rate_idx;
- ivideo.refresh_rate = 60;
- }
- if (((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) && isactive) {
- sisfb_pre_setmode ();
- // Eden Chen
- /*
- #ifdef CONFIG_FB_SIS_300
- if (SiSSetMode(&sishw_ext, sisfb_mode_no)) {
- DPRINTK("set mode[0x%x]: failedn", sisfb_mode_no);
- return -1;
- }
- #endif
- #ifdef CONFIG_FB_SIS_315
- if (SiSSetMode310(&sishw_ext, sisfb_mode_no)) {
- DPRINTK("set mode[0x%x]: failedn", sisfb_mode_no);
- return -1;
- }
- #endif
- */
- if (SiSSetMode (&sishw_ext, sisfb_mode_no) == 0) {
- DPRINTK ("set mode[0x%x]: failedn", sisfb_mode_no);
- return -1;
- }
- vgawb (SEQ_ADR, IND_SIS_PASSWORD);
- vgawb (SEQ_DATA, SIS_PASSWORD);
- // ~Eden Chen
- sisfb_post_setmode ();
- DPRINTK ("Set New Mode : %dx%dx%d-%d n",
- sisbios_mode[sisfb_mode_idx].xres,
- sisbios_mode[sisfb_mode_idx].yres,
- sisbios_mode[sisfb_mode_idx].bpp, ivideo.refresh_rate);
- ivideo.video_bpp = sisbios_mode[sisfb_mode_idx].bpp;
- ivideo.video_vwidth = ivideo.video_width =
- sisbios_mode[sisfb_mode_idx].xres;
- ivideo.video_vheight = ivideo.video_height =
- sisbios_mode[sisfb_mode_idx].yres;
- ivideo.org_x = ivideo.org_y = 0;
- video_linelength = ivideo.video_width * (ivideo.video_bpp >> 3);
- }
- return 0;
- }
- static void sisfb_set_disp (int con, struct fb_var_screeninfo *var)
- {
- struct fb_fix_screeninfo fix;
- struct display *display;
- struct display_switch *sw;
- u32 flags;
- if (con >= 0)
- display = &fb_display[con];
- else
- display = &disp;
- sisfb_get_fix (&fix, con, 0);
- display->screen_base = ivideo.video_vbase;
- display->visual = fix.visual;
- display->type = fix.type;
- display->type_aux = fix.type_aux;
- display->ypanstep = fix.ypanstep;
- display->ywrapstep = fix.ywrapstep;
- display->line_length = fix.line_length;
- display->next_line = fix.line_length;
- display->can_soft_blank = 0;
- display->inverse = sisfb_inverse;
- display->var = *var;
- save_flags (flags);
- switch (ivideo.video_bpp) {
- #ifdef FBCON_HAS_CFB8
- case 8:
- sw = &fbcon_cfb8;
- break;
- #endif
- #ifdef FBCON_HAS_CFB16
- case 15:
- case 16:
- sw = &fbcon_cfb16;
- display->dispsw_data = fbcon_cmap.cfb16;
- break;
- #endif
- #ifdef FBCON_HAS_CFB24
- case 24:
- sw = &fbcon_cfb24;
- display->dispsw_data = fbcon_cmap.cfb24;
- break;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 32:
- sw = &fbcon_cfb32;
- display->dispsw_data = fbcon_cmap.cfb32;
- break;
- #endif
- default:
- sw = &fbcon_dummy;
- return;
- }
- memcpy (&sisfb_sw, sw, sizeof (*sw));
- display->dispsw = &sisfb_sw;
- restore_flags (flags);
- display->scrollmode = SCROLL_YREDRAW;
- sisfb_sw.bmove = fbcon_redraw_bmove;
- }
- static void sisfb_do_install_cmap (int con, struct fb_info *info)
- {
- if (con != currcon)
- return;
- if (fb_display[con].cmap.len)
- fb_set_cmap (&fb_display[con].cmap, 1, sis_setcolreg, info);
- else
- fb_set_cmap (fb_default_cmap (video_cmap_len), 1,
- sis_setcolreg, info);
- }
- /* --------------- Chip-dependent Routines --------------------------- */
- #ifdef CONFIG_FB_SIS_300 /* for SiS 300/630/540/730 */
- static int sisfb_get_dram_size_300 (void)
- {
- struct pci_dev *pdev = NULL;
- int pdev_valid = 0;
- u8 pci_data, reg;
- u16 nbridge_id;
- switch (ivideo.chip) {
- case SIS_540:
- nbridge_id = PCI_DEVICE_ID_SI_540;
- break;
- case SIS_630:
- nbridge_id = PCI_DEVICE_ID_SI_630;
- break;
- case SIS_730:
- nbridge_id = PCI_DEVICE_ID_SI_730;
- break;
- default:
- nbridge_id = 0;
- break;
- }
- if (nbridge_id == 0) {
- vgawb (SEQ_ADR, IND_SIS_DRAM_SIZE);
- ivideo.video_size =
- ((unsigned
- int) ((vgarb (SEQ_DATA) & SIS_DRAM_SIZE_MASK) + 1) << 20);
- } else {
- pci_for_each_dev (pdev) {
- if ((pdev->vendor == PCI_VENDOR_ID_SI)
- && (pdev->device == nbridge_id)) {
- //&& (pdev->device == PCI_DEVICE_ID_SI_630)) {
- pci_read_config_byte (pdev, IND_BRI_DRAM_STATUS,
- &pci_data);
- pci_data = (pci_data & BRI_DRAM_SIZE_MASK) >> 4;
- ivideo.video_size =
- (unsigned int) (1 << (pci_data + 21));
- pdev_valid = 1;
- reg = SIS_DATA_BUS_64 << 6;
- vgawb (SEQ_ADR, IND_SIS_DRAM_SIZE);
- switch (pci_data) {
- case BRI_DRAM_SIZE_2MB:
- reg |= SIS_DRAM_SIZE_2MB;
- break;
- case BRI_DRAM_SIZE_4MB:
- reg |= SIS_DRAM_SIZE_4MB;
- break;
- case BRI_DRAM_SIZE_8MB:
- reg |= SIS_DRAM_SIZE_8MB;
- break;
- case BRI_DRAM_SIZE_16MB:
- reg |= SIS_DRAM_SIZE_16MB;
- break;
- case BRI_DRAM_SIZE_32MB:
- reg |= SIS_DRAM_SIZE_32MB;
- break;
- case BRI_DRAM_SIZE_64MB:
- reg |= SIS_DRAM_SIZE_64MB;
- break;
- }
- vgawb (SEQ_DATA, reg);
- break;
- }
- }
- if (!pdev_valid)
- return -1;
- }
- return 0;
- }
- static void sisfb_detect_VB_connect_300(void)
- {
- u8 sr16, sr17, cr32, temp;
- vgawb (SEQ_ADR, IND_SIS_SCRATCH_REG_17);
- sr17 = vgarb (SEQ_DATA);
- vgawb (CRTC_ADR, IND_SIS_SCRATCH_REG_CR32);
- cr32 = vgarb (CRTC_DATA);
- ivideo.TV_plug = ivideo.TV_type = 0;
- if ((sr17 & 0x0F) && (ivideo.chip != SIS_300)) {
- if ((sr17 & 0x01) && !sisfb_crt1off)
- sisfb_crt1off = 0;
- else {
- if (sr17 & 0x0E)
- sisfb_crt1off = 1;
- else
- sisfb_crt1off = 0;
- }
- if (sr17 & 0x08)
- ivideo.disp_state = DISPTYPE_CRT2;
- else if (sr17 & 0x02)
- ivideo.disp_state = DISPTYPE_LCD;
- else if (sr17 & 0x04) {
- ivideo.disp_state = DISPTYPE_TV;
- if (sr17 & 0x20)
- ivideo.TV_plug = TVPLUG_SVIDEO;
- else if (sr17 & 0x10)
- ivideo.TV_plug = TVPLUG_COMPOSITE;
- vgawb (SEQ_ADR, IND_SIS_SCRATCH_REG_16);
- sr16 = vgarb (SEQ_DATA);
- if (sr16 & 0x20)
- ivideo.TV_type = TVMODE_PAL;
- else
- ivideo.TV_type = TVMODE_NTSC;
- } else
- ivideo.disp_state = 0;
- } else {
- if ((cr32 & SIS_CRT1) && !sisfb_crt1off)
- sisfb_crt1off = 0;
- else {
- if (cr32 & 0x5F)
- sisfb_crt1off = 1;
- else
- sisfb_crt1off = 0;
- }
- if (cr32 & SIS_VB_CRT2)
- ivideo.disp_state = DISPTYPE_CRT2;
- else if (cr32 & SIS_VB_LCD)
- ivideo.disp_state = DISPTYPE_LCD;
- else if (cr32 & SIS_VB_TV) {
- ivideo.disp_state = DISPTYPE_TV;
- if (cr32 & SIS_VB_HIVISION) {
- ivideo.TV_type = TVMODE_HIVISION;
- ivideo.TV_plug = TVPLUG_SVIDEO;
- } else if (cr32 & SIS_VB_SVIDEO)
- ivideo.TV_plug = TVPLUG_SVIDEO;
- else if (cr32 & SIS_VB_COMPOSITE)
- ivideo.TV_plug = TVPLUG_COMPOSITE;
- else if (cr32 & SIS_VB_SCART)
- ivideo.TV_plug = TVPLUG_SCART;
- if (ivideo.TV_type == 0) {
- // Eden Chen
- //temp = *((u8 *)(sishw_ext.VirtualRomBase+0x52));
- //if (temp&0x40) {
- // temp=*((u8 *)(sishw_ext.VirtualRomBase+0x53));
- //} else {
- vgawb (SEQ_ADR, IND_SIS_POWER_ON_TRAP);
- temp = vgarb (SEQ_DATA);
- //}
- // ~Eden Chen
- if (temp & 0x01)
- ivideo.TV_type = TVMODE_PAL;
- else
- ivideo.TV_type = TVMODE_NTSC;
- }
- } else
- ivideo.disp_state = 0;
- }
- }
- static void sisfb_get_VB_type_300 (void)
- {
- u8 reg;
- if (ivideo.chip != SIS_300) {
- if (!sisfb_has_VB_300 ()) {
- vgawb (CRTC_ADR, IND_SIS_SCRATCH_REG_CR37);
- reg = vgarb (CRTC_DATA);
- switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
- case SIS_EXTERNAL_CHIP_SIS301:
- ivideo.hasVB = HASVB_301;
- break;
- case SIS_EXTERNAL_CHIP_LVDS:
- ivideo.hasVB = HASVB_LVDS;
- break;
- case SIS_EXTERNAL_CHIP_TRUMPION:
- ivideo.hasVB = HASVB_TRUMPION;
- break;
- case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
- ivideo.hasVB = HASVB_LVDS_CHRONTEL;
- break;
- case SIS_EXTERNAL_CHIP_CHRONTEL:
- ivideo.hasVB = HASVB_CHRONTEL;
- break;
- default:
- break;
- }
- }
- } else {
- sisfb_has_VB_300 ();
- }
- //sishw_ext.hasVB = ivideo.hasVB;
- }
- static int sisfb_has_VB_300 (void)
- {
- // Eden Chen
- //u8 sr38, sr39, vb_chipid;
- u8 vb_chipid;
- //vgawb(SEQ_ADR, IND_SIS_POWER_ON_TRAP);
- //sr38 = vgarb(SEQ_DATA);
- //vgawb(SEQ_ADR, IND_SIS_POWER_ON_TRAP2);
- //sr39 = vgarb(SEQ_DATA);
- vgawb (VB_PART4_ADR, 0x0);
- vb_chipid = vgarb (VB_PART4_DATA);
- switch (vb_chipid) {
- case 0x01:
- ivideo.hasVB = HASVB_301;
- break;
- case 0x02:
- ivideo.hasVB = HASVB_302;
- break;
- case 0x03:
- ivideo.hasVB = HASVB_303;
- break;
- default:
- ivideo.hasVB = HASVB_NONE;
- return FALSE;
- }
- return TRUE;
- }
- #endif /* CONFIG_FB_SIS_300 */
- #ifdef CONFIG_FB_SIS_315 /* for SiS 315H/315 */
- static int sisfb_get_dram_size_315 (void)
- {
- #ifdef LINUXBIOS
- struct pci_dev *pdev = NULL;
- int pdev_valid = 0;
- u8 pci_data;
- #endif
- u8 reg = 0;
- if (ivideo.chip == SIS_550) {
- #ifdef LINUXBIOS
- pci_for_each_dev (pdev) {
- if ((pdev->vendor == PCI_VENDOR_ID_SI)
- && (pdev->device == PCI_DEVICE_ID_SI_550)) {
- pci_read_config_byte (pdev, IND_BRI_DRAM_STATUS,
- &pci_data);
- pci_data = (pci_data & BRI_DRAM_SIZE_MASK) >> 4;
- ivideo.video_size =
- (unsigned int) (1 << (pci_data + 21));
- pdev_valid = 1;
- vgawb (SEQ_ADR, IND_SIS_DRAM_SIZE);
- reg = vgarb (SEQ_DATA) & 0xC0;
- switch (pci_data) {
- //case BRI_DRAM_SIZE_2MB:
- // reg |= (SIS315_DRAM_SIZE_2MB << 4); break;
- case BRI_DRAM_SIZE_4MB:
- reg |= SIS550_DRAM_SIZE_4MB;
- break;
- case BRI_DRAM_SIZE_8MB:
- reg |= SIS550_DRAM_SIZE_8MB;
- break;
- case BRI_DRAM_SIZE_16MB:
- reg |= SIS550_DRAM_SIZE_16MB;
- break;
- case BRI_DRAM_SIZE_32MB:
- reg |= SIS550_DRAM_SIZE_32MB;
- break;
- case BRI_DRAM_SIZE_64MB:
- reg |= SIS550_DRAM_SIZE_64MB;
- break;
- /* case BRI_DRAM_SIZE_128MB:
- reg |= (SIS315_DRAM_SIZE_128MB << 4); break; */
- }
- /* TODO : set Dual channel and bus width bits here */
- vgawb (SEQ_DATA, reg);
- break;
- }
- }
- if (!pdev_valid)
- return -1;
- #else
- vgawb (SEQ_ADR, IND_SIS_DRAM_SIZE);
- reg = vgarb (SEQ_DATA);
- switch (reg & SIS550_DRAM_SIZE_MASK) {
- case SIS550_DRAM_SIZE_4MB:
- ivideo.video_size = 0x400000;
- break;
- case SIS550_DRAM_SIZE_8MB:
- ivideo.video_size = 0x800000;
- break;
- case SIS550_DRAM_SIZE_16MB:
- ivideo.video_size = 0x1000000;
- break;
- case SIS550_DRAM_SIZE_24MB:
- ivideo.video_size = 0x1800000;
- break;
- case SIS550_DRAM_SIZE_32MB:
- ivideo.video_size = 0x2000000;
- break;
- case SIS550_DRAM_SIZE_64MB:
- ivideo.video_size = 0x4000000;
- break;
- case SIS550_DRAM_SIZE_96MB:
- ivideo.video_size = 0x6000000;
- break;
- case SIS550_DRAM_SIZE_128MB:
- ivideo.video_size = 0x8000000;
- break;
- case SIS550_DRAM_SIZE_256MB:
- ivideo.video_size = 0x10000000;
- break;
- default:
- return -1;
- }
- #endif
- return 0;
- } else {
- vgawb (SEQ_ADR, IND_SIS_DRAM_SIZE);
- reg = vgarb (SEQ_DATA);
- switch ((reg & SIS315_DRAM_SIZE_MASK) >> 4) {
- case SIS315_DRAM_SIZE_2MB:
- ivideo.video_size = 0x200000;
- break;
- case SIS315_DRAM_SIZE_4MB:
- ivideo.video_size = 0x400000;
- break;
- case SIS315_DRAM_SIZE_8MB:
- ivideo.video_size = 0x800000;
- break;
- case SIS315_DRAM_SIZE_16MB:
- ivideo.video_size = 0x1000000;
- break;
- case SIS315_DRAM_SIZE_32MB:
- ivideo.video_size = 0x2000000;
- break;
- case SIS315_DRAM_SIZE_64MB:
- ivideo.video_size = 0x4000000;
- break;
- case SIS315_DRAM_SIZE_128MB:
- ivideo.video_size = 0x8000000;
- break;
- default:
- return -1;
- }
- }
- reg &= SIS315_DUAL_CHANNEL_MASK;
- reg >>= 2;
- switch (reg) {
- case SIS315_SINGLE_CHANNEL_2_RANK:
- ivideo.video_size <<= 1;
- break;
- case SIS315_DUAL_CHANNEL_1_RANK:
- ivideo.video_size <<= 1;
- break;
- }
- return 0;
- }
- static void sisfb_detect_VB_connect_315 (void)
- {
- u8 cr32, temp;
- vgawb (CRTC_ADR, IND_SIS_SCRATCH_REG_CR32);
- cr32 = vgarb (CRTC_DATA);
- ivideo.TV_plug = ivideo.TV_type = 0;
- if ((cr32 & SIS_CRT1) && !sisfb_crt1off)
- sisfb_crt1off = 0;
- else {
- if (cr32 & 0x5F)
- sisfb_crt1off = 1;
- else
- sisfb_crt1off = 0;
- }
- if (cr32 & SIS_VB_CRT2)
- ivideo.disp_state = DISPTYPE_CRT2;
- else if (cr32 & SIS_VB_LCD)
- ivideo.disp_state = DISPTYPE_LCD;
- else if (cr32 & SIS_VB_TV) {
- ivideo.disp_state = DISPTYPE_TV;
- if (cr32 & SIS_VB_HIVISION) {
- ivideo.TV_type = TVMODE_HIVISION;
- ivideo.TV_plug = TVPLUG_SVIDEO;
- } else if (cr32 & SIS_VB_SVIDEO)
- ivideo.TV_plug = TVPLUG_SVIDEO;
- else if (cr32 & SIS_VB_COMPOSITE)
- ivideo.TV_plug = TVPLUG_COMPOSITE;
- else if (cr32 & SIS_VB_SCART)
- ivideo.TV_plug = TVPLUG_SCART;
- if (ivideo.TV_type == 0) {
- vgawb (SEQ_ADR, IND_SIS_POWER_ON_TRAP);
- temp = vgarb (SEQ_DATA);
- if (temp & 0x01)
- ivideo.TV_type = TVMODE_PAL;
- else
- ivideo.TV_type = TVMODE_NTSC;
- }
- } else
- ivideo.disp_state = 0;
- }
- static void sisfb_get_VB_type_315 (void)
- {
- u8 vb_chipid;
- vgawb (VB_PART4_ADR, 0x0);
- vb_chipid = vgarb (VB_PART4_DATA);
- switch (vb_chipid) {
- case 0x01:
- ivideo.hasVB = HASVB_301;
- break;
- case 0x02:
- ivideo.hasVB = HASVB_302;
- break;
- case 0x03:
- ivideo.hasVB = HASVB_303;
- break;
- default:
- ivideo.hasVB = HASVB_NONE;
- }
- // Eden Chen
- //sishw_ext.hasVB = ivideo.hasVB;
- // ~Eden Chen
- }
- #endif /* CONFIG_FB_SIS_315 */
- /* --------------------- Heap Routines ------------------------------- */
- static int sisfb_heap_init (void)
- {
- SIS_OH *poh;
- u8 temp = 0;
- #ifdef CONFIG_FB_SIS_315
- int agp_enabled = 1;
- u32 agp_size;
- unsigned long *cmdq_baseport = 0;
- unsigned long *read_port = 0;
- unsigned long *write_port = 0;
- SIS_CMDTYPE cmd_type;
- #ifndef AGPOFF
- agp_kern_info *agp_info;
- agp_memory *agp;
- u32 agp_phys;
- #endif
- #endif
- /*karl:10/01/2001 */
- if (!sisfb_mem) {
- if (ivideo.video_size > 0x800000)
- sisfb_heap_start =
- (unsigned long) ivideo.video_vbase + 0x800000;
- else
- sisfb_heap_start =
- (unsigned long) ivideo.video_vbase + 0x400000;
- } else
- sisfb_heap_start =
- (unsigned long) (ivideo.video_vbase + sisfb_mem * 0x100000);
- sisfb_heap_end = (unsigned long) ivideo.video_vbase + ivideo.video_size;
- sisfb_heap_size = sisfb_heap_end - sisfb_heap_start;
- #ifdef CONFIG_FB_SIS_315
- cmdq_baseport =
- (unsigned long *) (ivideo.mmio_vbase + MMIO_QUEUE_PHYBASE);
- write_port =
- (unsigned long *) (ivideo.mmio_vbase + MMIO_QUEUE_WRITEPORT);
- read_port = (unsigned long *) (ivideo.mmio_vbase + MMIO_QUEUE_READPORT);
- DPRINTK ("AGP base: 0x%p, read: 0x%p, write: 0x%pn", cmdq_baseport,
- read_port, write_port);
- agp_size = COMMAND_QUEUE_AREA_SIZE;
- #ifndef AGPOFF
- agp_info = vmalloc (sizeof (agp_kern_info));
- memset ((void *) agp_info, 0x00, sizeof (agp_kern_info));
- agp_copy_info (agp_info);
- agp_backend_acquire ();
- agp =
- agp_allocate_memory (COMMAND_QUEUE_AREA_SIZE / PAGE_SIZE,
- AGP_NORMAL_MEMORY);
- if (agp == NULL) {
- DPRINTK ("Allocate AGP buffer failed.n");
- agp_enabled = 0;
- } else {
- if (agp_bind_memory (agp, agp->pg_start) != 0) {
- DPRINTK ("AGP : can not bind memoryn");
- agp_enabled = 0;
- } else {
- agp_enable (0);
- }
- }
- #else
- agp_enabled = 0;
- #endif
- if (agp_enabled)
- cmd_type = AGP_CMD_QUEUE;
- else if (sisfb_heap_size >= COMMAND_QUEUE_AREA_SIZE)
- cmd_type = VM_CMD_QUEUE;
- else
- cmd_type = MMIO_CMD;
- switch (agp_size) {
- case 0x80000:
- temp = SIS_CMD_QUEUE_SIZE_512k;
- break;
- case 0x100000:
- temp = SIS_CMD_QUEUE_SIZE_1M;
- break;
- case 0x200000:
- temp = SIS_CMD_QUEUE_SIZE_2M;
- break;
- case 0x400000:
- temp = SIS_CMD_QUEUE_SIZE_4M;
- break;
- }
- switch (cmd_type) {
- case AGP_CMD_QUEUE:
- #ifndef AGPOFF
- DPRINTK ("AGP buffer base:0x%lx, offset:0x%x, size is %dKn",
- agp_info->aper_base, agp->physical, agp_size / 1024);
- agp_phys = agp_info->aper_base + agp->physical;
- vgawb (CRTC_ADR, IND_SIS_AGP_IO_PAD);
- vgawb (CRTC_DATA, 0);
- vgawb (CRTC_DATA, SIS_AGP_2X);
- vgawb (SEQ_ADR, IND_SIS_CMDQUEUE_THRESHOLD);
- vgawb (SEQ_DATA, COMMAND_QUEUE_THRESHOLD);
- vgawb (SEQ_ADR, IND_SIS_CMDQUEUE_SET);
- vgawb (SEQ_DATA, SIS_CMD_QUEUE_RESET);
- *write_port = *read_port;
- temp |= SIS_AGP_CMDQUEUE_ENABLE;
- vgawb (SEQ_ADR, IND_SIS_CMDQUEUE_SET);
- vgawb (SEQ_DATA, temp);
- *cmdq_baseport = agp_phys;
- sisfb_caps |= AGP_CMD_QUEUE_CAP;
- #endif
- break;
- case VM_CMD_QUEUE:
- sisfb_heap_end -= COMMAND_QUEUE_AREA_SIZE;
- sisfb_heap_size -= COMMAND_QUEUE_AREA_SIZE;
- vgawb (SEQ_ADR, IND_SIS_CMDQUEUE_THRESHOLD);
- vgawb (SEQ_DATA, COMMAND_QUEUE_THRESHOLD);
- vgawb (SEQ_ADR, IND_SIS_CMDQUEUE_SET);
- vgawb (SEQ_DATA, SIS_CMD_QUEUE_RESET);
- *write_port = *read_port;
- temp |= SIS_VRAM_CMDQUEUE_ENABLE;
- vgawb (SEQ_ADR, IND_SIS_CMDQUEUE_SET);
- vgawb (SEQ_DATA, temp);
- *cmdq_baseport = ivideo.video_size - COMMAND_QUEUE_AREA_SIZE;
- sisfb_caps |= VM_CMD_QUEUE_CAP;
- DPRINTK ("VM Cmd Queue offset = 0x%lx, size is %dKn",
- *cmdq_baseport, COMMAND_QUEUE_AREA_SIZE / 1024);
- break;
- default:
- vgawb (SEQ_ADR, IND_SIS_CMDQUEUE_SET);
- vgawb (SEQ_DATA, SIS_MMIO_CMD_ENABLE);
- break;
- }
- #endif
- #ifdef CONFIG_FB_SIS_300
- if (sisfb_heap_size >= TURBO_QUEUE_AREA_SIZE) {
- unsigned int tqueue_pos;
- u8 tq_state;
- tqueue_pos =
- (ivideo.video_size - TURBO_QUEUE_AREA_SIZE) / (64 * 1024);
- temp = (u8) (tqueue_pos & 0xff);
- vgawb (SEQ_ADR, IND_SIS_TURBOQUEUE_SET);
- tq_state = vgarb (SEQ_DATA);
- tq_state |= 0xf0;
- tq_state &= 0xfc;
- tq_state |= (u8) (tqueue_pos >> 8);
- vgawb (SEQ_DATA, tq_state);
- vgawb (SEQ_ADR, IND_SIS_TURBOQUEUE_ADR);
- vgawb (SEQ_DATA, temp);
- sisfb_caps |= TURBO_QUEUE_CAP;
- sisfb_heap_end -= TURBO_QUEUE_AREA_SIZE;
- sisfb_heap_size -= TURBO_QUEUE_AREA_SIZE;
- DPRINTK ("Turbo Queue: start at 0x%lx, size is %dKn",
- sisfb_heap_end, TURBO_QUEUE_AREA_SIZE / 1024);
- }
- #endif
- if (sisfb_heap_size >= HW_CURSOR_AREA_SIZE) {
- sisfb_heap_end -= HW_CURSOR_AREA_SIZE;
- sisfb_heap_size -= HW_CURSOR_AREA_SIZE;
- sisfb_hwcursor_vbase = sisfb_heap_end;
- sisfb_caps |= HW_CURSOR_CAP;
- DPRINTK ("Hardware Cursor: start at 0x%lx, size is %dKn",
- sisfb_heap_end, HW_CURSOR_AREA_SIZE / 1024);
- }
- sisfb_heap.poha_chain = NULL;
- sisfb_heap.poh_freelist = NULL;
- poh = sisfb_poh_new_node ();
- if (poh == NULL)
- return 1;
- poh->poh_next = &sisfb_heap.oh_free;
- poh->poh_prev = &sisfb_heap.oh_free;
- poh->size = sisfb_heap_end - sisfb_heap_start + 1;
- poh->offset = sisfb_heap_start - (unsigned long) ivideo.video_vbase;
- DPRINTK ("sisfb:Heap start:0x%p, end:0x%p, len=%dkn",
- (char *) sisfb_heap_start, (char *) sisfb_heap_end,
- (unsigned int) poh->size / 1024);
- DPRINTK ("sisfb:First Node offset:0x%x, size:%dkn",
- (unsigned int) poh->offset, (unsigned int) poh->size / 1024);
- sisfb_heap.oh_free.poh_next = poh;
- sisfb_heap.oh_free.poh_prev = poh;
- sisfb_heap.oh_free.size = 0;
- sisfb_heap.max_freesize = poh->size;
- sisfb_heap.oh_used.poh_next = &sisfb_heap.oh_used;
- sisfb_heap.oh_used.poh_prev = &sisfb_heap.oh_used;
- sisfb_heap.oh_used.size = SENTINEL;
- return 0;
- }
- static SIS_OH *sisfb_poh_new_node (void)
- {
- int i;
- unsigned long cOhs;
- SIS_OHALLOC *poha;
- SIS_OH *poh;
- if (sisfb_heap.poh_freelist == NULL) {
- poha = kmalloc (OH_ALLOC_SIZE, GFP_KERNEL);
- poha->poha_next = sisfb_heap.poha_chain;
- sisfb_heap.poha_chain = poha;
- cOhs =
- (OH_ALLOC_SIZE -
- sizeof (SIS_OHALLOC)) / sizeof (SIS_OH) + 1;
- poh = &poha->aoh[0];
- for (i = cOhs - 1; i != 0; i--) {
- poh->poh_next = poh + 1;
- poh = poh + 1;
- }
- poh->poh_next = NULL;
- sisfb_heap.poh_freelist = &poha->aoh[0];
- }
- poh = sisfb_heap.poh_freelist;
- sisfb_heap.poh_freelist = poh->poh_next;
- return (poh);
- }
- static SIS_OH *sisfb_poh_allocate (unsigned long size)
- {
- SIS_OH *pohThis;
- SIS_OH *pohRoot;
- int bAllocated = 0;
- if (size > sisfb_heap.max_freesize) {
- DPRINTK ("sisfb: Can't allocate %dk size on offscreenn",
- (unsigned int) size / 1024);
- return (NULL);
- }
- pohThis = sisfb_heap.oh_free.poh_next;
- while (pohThis != &sisfb_heap.oh_free) {
- if (size <= pohThis->size) {
- bAllocated = 1;
- break;
- }
- pohThis = pohThis->poh_next;
- }
- if (!bAllocated) {
- DPRINTK ("sisfb: Can't allocate %dk size on offscreenn",
- (unsigned int) size / 1024);
- return (NULL);
- }
- if (size == pohThis->size) {
- pohRoot = pohThis;
- sisfb_delete_node (pohThis);
- } else {
- pohRoot = sisfb_poh_new_node ();
- if (pohRoot == NULL) {
- return (NULL);
- }
- pohRoot->offset = pohThis->offset;
- pohRoot->size = size;
- pohThis->offset += size;
- pohThis->size -= size;
- }
- sisfb_heap.max_freesize -= size;
- pohThis = &sisfb_heap.oh_used;
- sisfb_insert_node (pohThis, pohRoot);
- return (pohRoot);
- }
- static void sisfb_delete_node (SIS_OH * poh)
- {
- SIS_OH *poh_prev;
- SIS_OH *poh_next;
- poh_prev = poh->poh_prev;
- poh_next = poh->poh_next;
- poh_prev->poh_next = poh_next;
- poh_next->poh_prev = poh_prev;
- return;
- }
- static void sisfb_insert_node (SIS_OH * pohList, SIS_OH * poh)
- {
- SIS_OH *pohTemp;
- pohTemp = pohList->poh_next;
- pohList->poh_next = poh;
- pohTemp->poh_prev = poh;
- poh->poh_prev = pohList;
- poh->poh_next = pohTemp;
- }
- static SIS_OH *sisfb_poh_free (unsigned long base)
- {
- SIS_OH *pohThis;
- SIS_OH *poh_freed;
- SIS_OH *poh_prev;
- SIS_OH *poh_next;
- unsigned long ulUpper;
- unsigned long ulLower;
- int foundNode = 0;
- poh_freed = sisfb_heap.oh_used.poh_next;
- while (poh_freed != &sisfb_heap.oh_used) {
- if (poh_freed->offset == base) {
- foundNode = 1;
- break;
- }
- poh_freed = poh_freed->poh_next;
- }
- if (!foundNode)
- return (NULL);
- sisfb_heap.max_freesize += poh_freed->size;
- poh_prev = poh_next = NULL;
- ulUpper = poh_freed->offset + poh_freed->size;
- ulLower = poh_freed->offset;
- pohThis = sisfb_heap.oh_free.poh_next;
- while (pohThis != &sisfb_heap.oh_free) {
- if (pohThis->offset == ulUpper) {
- poh_next = pohThis;
- } else if ((pohThis->offset + pohThis->size) == ulLower) {
- poh_prev = pohThis;
- }
- pohThis = pohThis->poh_next;
- }
- sisfb_delete_node (poh_freed);
- if (poh_prev && poh_next) {
- poh_prev->size += (poh_freed->size + poh_next->size);
- sisfb_delete_node (poh_next);
- sisfb_free_node (poh_freed);
- sisfb_free_node (poh_next);
- return (poh_prev);
- }
- if (poh_prev) {
- poh_prev->size += poh_freed->size;
- sisfb_free_node (poh_freed);
- return (poh_prev);
- }
- if (poh_next) {
- poh_next->size += poh_freed->size;
- poh_next->offset = poh_freed->offset;
- sisfb_free_node (poh_freed);
- return (poh_next);
- }
- sisfb_insert_node (&sisfb_heap.oh_free, poh_freed);
- return (poh_freed);
- }
- static void sisfb_free_node (SIS_OH * poh)
- {
- if (poh == NULL) {
- return;
- }
- poh->poh_next = sisfb_heap.poh_freelist;
- sisfb_heap.poh_freelist = poh;
- return;
- }
- void sis_malloc (struct sis_memreq *req)
- {
- SIS_OH *poh;
- poh = sisfb_poh_allocate (req->size);
- if (poh == NULL) {
- req->offset = 0;
- req->size = 0;
- DPRINTK ("sisfb: VMEM Allocation Failedn");
- } else {
- DPRINTK ("sisfb: VMEM Allocation Successed : 0x%pn",
- (char *) (poh->offset +
- (unsigned long) ivideo.video_vbase));
- req->offset = poh->offset;
- req->size = poh->size;
- }
- }
- void sis_free (unsigned long base)
- {
- SIS_OH *poh;
- poh = sisfb_poh_free (base);
- if (poh == NULL) {
- DPRINTK ("sisfb: sisfb_poh_free() failed at base 0x%xn",
- (unsigned int) base);
- }
- }
- /* ------------------ SetMode Routines ------------------------------- */
- static void sisfb_pre_setmode (void)
- {
- u8 cr30 = 0, cr31 = 0;
- vgawb (CRTC_ADR, 0x31);
- cr31 = vgarb (CRTC_DATA) & ~0x60;
- switch (ivideo.disp_state & DISPTYPE_DISP2) {
- case DISPTYPE_CRT2:
- cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE);
- cr31 |= SIS_DRIVER_MODE;
- break;
- case DISPTYPE_LCD:
- cr30 = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE);
- cr31 |= SIS_DRIVER_MODE;
- break;
- case DISPTYPE_TV:
- if (ivideo.TV_type == TVMODE_HIVISION)
- cr30 =
- (SIS_VB_OUTPUT_HIVISION |
- SIS_SIMULTANEOUS_VIEW_ENABLE);
- else if (ivideo.TV_plug == TVPLUG_SVIDEO)
- cr30 =
- (SIS_VB_OUTPUT_SVIDEO |
- SIS_SIMULTANEOUS_VIEW_ENABLE);
- else if (ivideo.TV_plug == TVPLUG_COMPOSITE)
- cr30 =
- (SIS_VB_OUTPUT_COMPOSITE |
- SIS_SIMULTANEOUS_VIEW_ENABLE);
- else if (ivideo.TV_plug == TVPLUG_SCART)
- cr30 =
- (SIS_VB_OUTPUT_SCART |
- SIS_SIMULTANEOUS_VIEW_ENABLE);
- cr31 |= SIS_DRIVER_MODE;
- /*karl */
- if (sisfb_tvmode == 1)
- cr31 |= 0x1;
- if (sisfb_tvmode == 2)
- cr31 &= ~0x1;
- break;
- default:
- cr30 = 0x00;
- cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
- }
- vgawb (CRTC_ADR, IND_SIS_SCRATCH_REG_CR30);
- vgawb (CRTC_DATA, cr30);
- vgawb (CRTC_ADR, IND_SIS_SCRATCH_REG_CR31);
- vgawb (CRTC_DATA, cr31);
- vgawb (CRTC_ADR, IND_SIS_SCRATCH_REG_CR33);
- vgawb (CRTC_DATA, sisfb_rate_idx & 0x0F);
- }
- static void sisfb_post_setmode (void)
- {
- u8 reg;
- vgawb (CRTC_ADR, 0x17);
- reg = vgarb (CRTC_DATA);
- if ((ivideo.hasVB == HASVB_LVDS)
- || (ivideo.hasVB == HASVB_LVDS_CHRONTEL)) if (ivideo.video_bpp == 8)
- sisfb_crt1off = 0;
- if (sisfb_crt1off)
- reg &= ~0x80;
- else
- reg |= 0x80;
- vgawb (CRTC_DATA, reg);
- vgawb (SEQ_ADR, IND_SIS_RAMDAC_CONTROL);
- reg = vgarb (SEQ_DATA);
- reg &= ~0x04;
- vgawb (SEQ_DATA, reg);
- if ((ivideo.disp_state & DISPTYPE_TV) && (ivideo.hasVB == HASVB_301)) {
- /*karl */
- vgawb (VB_PART4_ADR, 0x01);
- reg = vgarb (VB_PART4_DATA);
- if ((reg != 0xB1) && (reg != 0xB0)) { /*301B Revision ID */
- // Eden Chen
- switch (ivideo.video_width) {
- case 320:
- filter_tb =
- (ivideo.TV_type == TVMODE_NTSC) ? 4 : 12;
- break;
- case 640:
- filter_tb =
- (ivideo.TV_type == TVMODE_NTSC) ? 5 : 13;
- break;
- case 720:
- filter_tb =
- (ivideo.TV_type == TVMODE_NTSC) ? 6 : 14;
- break;
- case 800:
- filter_tb =
- (ivideo.TV_type == TVMODE_NTSC) ? 7 : 15;
- break;
- default:
- filter = -1;
- break;
- }
- // ~Eden Chen
- // Eden Chen
- //vgawb(VB_PART1_ADR, 0x24);
- vgawb (VB_PART1_ADR, IND_SIS_CRT2_WRITE_ENABLE);
- // ~Eden Chen
- vgawb (VB_PART1_DATA, 0x1);
- // Eden Chen for Debug
- // ~Eden Chen
- if (ivideo.TV_type == TVMODE_NTSC) {
- vgawb (VB_PART2_ADR, 0x3A);
- reg = vgarb (VB_PART2_DATA);
- reg &= 0x1F;
- vgawb (VB_PART2_DATA, reg);
- if (ivideo.TV_plug == TVPLUG_SVIDEO) {
- vgawb (VB_PART2_ADR, 0x30);
- reg = vgarb (VB_PART2_DATA);
- reg &= 0xDF;
- vgawb (VB_PART2_DATA, reg);
- } else if (ivideo.TV_plug == TVPLUG_COMPOSITE) {
- vgawb (VB_PART2_ADR, 0x30);
- reg = vgarb (VB_PART2_DATA);
- reg |= 0x20;
- vgawb (VB_PART2_DATA, reg);
- switch (ivideo.video_width) {
- case 640:
- vgawb (VB_PART2_ADR, 0x35);
- vgawb (VB_PART2_DATA, 0xEB);
- vgawb (VB_PART2_ADR, 0x36);
- vgawb (VB_PART2_DATA, 0x04);
- vgawb (VB_PART2_ADR, 0x37);
- vgawb (VB_PART2_DATA, 0x25);
- vgawb (VB_PART2_ADR, 0x38);
- vgawb (VB_PART2_DATA, 0x18);
- break;
- case 720:
- vgawb (VB_PART2_ADR, 0x35);
- vgawb (VB_PART2_DATA, 0xEE);
- vgawb (VB_PART2_ADR, 0x36);
- vgawb (VB_PART2_DATA, 0x0C);
- vgawb (VB_PART2_ADR, 0x37);
- vgawb (VB_PART2_DATA, 0x22);
- vgawb (VB_PART2_ADR, 0x38);
- vgawb (VB_PART2_DATA, 0x08);
- break;
- case 800:
- vgawb (VB_PART2_ADR, 0x35);
- vgawb (VB_PART2_DATA, 0xEB);
- vgawb (VB_PART2_ADR, 0x36);
- vgawb (VB_PART2_DATA, 0x15);
- vgawb (VB_PART2_ADR, 0x37);
- vgawb (VB_PART2_DATA, 0x25);
- vgawb (VB_PART2_ADR, 0x38);
- vgawb (VB_PART2_DATA, 0xF6);
- break;
- }
- }
- } else if (ivideo.TV_type == TVMODE_PAL) {
- vgawb (VB_PART2_ADR, 0x3A);
- reg = vgarb (VB_PART2_DATA);
- reg &= 0x1F;
- vgawb (VB_PART2_DATA, reg);
- if (ivideo.TV_plug == TVPLUG_SVIDEO) {
- vgawb (VB_PART2_ADR, 0x30);
- reg = vgarb (VB_PART2_DATA);
- reg &= 0xDF;
- vgawb (VB_PART2_DATA, reg);
- } else if (ivideo.TV_plug == TVPLUG_COMPOSITE) {
- vgawb (VB_PART2_ADR, 0x30);
- reg = vgarb (VB_PART2_DATA);
- reg |= 0x20;
- vgawb (VB_PART2_DATA, reg);
- switch (ivideo.video_width) {
- case 640:
- vgawb (VB_PART2_ADR, 0x35);
- vgawb (VB_PART2_DATA, 0xF1);
- vgawb (VB_PART2_ADR, 0x36);
- vgawb (VB_PART2_DATA, 0xF7);
- vgawb (VB_PART2_ADR, 0x37);
- vgawb (VB_PART2_DATA, 0x1F);
- vgawb (VB_PART2_ADR, 0x38);
- vgawb (VB_PART2_DATA, 0x32);
- break;
- case 720:
- vgawb (VB_PART2_ADR, 0x35);
- vgawb (VB_PART2_DATA, 0xF3);
- vgawb (VB_PART2_ADR, 0x36);
- vgawb (VB_PART2_DATA, 0x00);
- vgawb (VB_PART2_ADR, 0x37);
- vgawb (VB_PART2_DATA, 0x1D);
- vgawb (VB_PART2_ADR, 0x38);
- vgawb (VB_PART2_DATA, 0x20);
- break;
- case 800:
- vgawb (VB_PART2_ADR, 0x35);
- vgawb (VB_PART2_DATA, 0xFC);
- vgawb (VB_PART2_ADR, 0x36);
- vgawb (VB_PART2_DATA, 0xFB);
- vgawb (VB_PART2_ADR, 0x37);
- vgawb (VB_PART2_DATA, 0x14);
- vgawb (VB_PART2_ADR, 0x38);
- vgawb (VB_PART2_DATA, 0x2A);
- break;
- }
- }
- }
- // Eden
- if ((filter >= 0) && (filter <= 7)) {
- DPRINTK
- ("FilterTable[%d]-%d: %02x %02x %02x %02xn",
- filter_tb, filter,
- sis_TV_filter[filter_tb].filter[filter][0],
- sis_TV_filter[filter_tb].filter[filter][1],
- sis_TV_filter[filter_tb].filter[filter][2],
- sis_TV_filter[filter_tb].filter[filter][3]
- );
- vgawb (VB_PART2_ADR, 0x35);
- vgawb (VB_PART2_DATA,
- sis_TV_filter[filter_tb].
- filter[filter][0]);
- vgawb (VB_PART2_ADR, 0x36);
- vgawb (VB_PART2_DATA,
- sis_TV_filter[filter_tb].
- filter[filter][1]);
- vgawb (VB_PART2_ADR, 0x37);
- vgawb (VB_PART2_DATA,
- sis_TV_filter[filter_tb].
- filter[filter][2]);
- vgawb (VB_PART2_ADR, 0x38);
- vgawb (VB_PART2_DATA,
- sis_TV_filter[filter_tb].
- filter[filter][3]);
- }
- // ~Eden
- }
- }
- }
- static void sisfb_crtc_to_var (struct fb_var_screeninfo *var)
- {
- u16 VRE, VBE, VRS, VBS, VDE, VT;
- u16 HRE, HBE, HRS, HBS, HDE, HT;
- u8 sr_data, cr_data, cr_data2, cr_data3, mr_data;
- int A, B, C, D, E, F, temp;
- double hrate, drate;
- vgawb (SEQ_ADR, IND_SIS_COLOR_MODE);
- sr_data = vgarb (SEQ_DATA);
- if (sr_data & SIS_INTERLACED_MODE)
- var->vmode = FB_VMODE_INTERLACED;
- else
- var->vmode = FB_VMODE_NONINTERLACED;
- switch ((sr_data & 0x1C) >> 2) {
- case SIS_8BPP_COLOR_MODE:
- var->bits_per_pixel = 8;
- break;
- case SIS_16BPP_COLOR_MODE:
- var->bits_per_pixel = 16;
- break;
- case SIS_32BPP_COLOR_MODE:
- var->bits_per_pixel = 32;
- break;
- }
- switch (var->bits_per_pixel) {
- case 8:
- var->red.length = 6;
- var->green.length = 6;
- var->blue.length = 6;
- video_cmap_len = 256;
- break;
- case 16:
- var->red.offset = 11;
- var->red.length = 5;
- var->green.offset = 5;
- var->green.length = 6;
- var->blue.offset = 0;
- var->blue.length = 5;
- var->transp.offset = 0;
- var->transp.length = 0;
- video_cmap_len = 16;
- break;
- case 24:
- 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.offset = 0;
- var->transp.length = 0;
- video_cmap_len = 16;
- break;
- case 32:
- 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.offset = 24;
- var->transp.length = 8;
- video_cmap_len = 16;
- break;
- }
- vgawb (SEQ_ADR, 0xA);
- sr_data = vgarb (SEQ_DATA);
- vgawb (CRTC_ADR, 0x6);
- cr_data = vgarb (CRTC_DATA);
- vgawb (CRTC_ADR, 0x7);
- cr_data2 = vgarb (CRTC_DATA);
- VT =
- (cr_data & 0xFF) | ((u16) (cr_data2 & 0x01) << 8) |
- ((u16) (cr_data2 & 0x20) << 4) | ((u16) (sr_data & 0x01) << 10);
- A = VT + 2;
- vgawb (CRTC_ADR, 0x12);
- cr_data = vgarb (CRTC_DATA);
- VDE =
- (cr_data & 0xff) | ((u16) (cr_data2 & 0x02) << 7) |
- ((u16) (cr_data2 & 0x40) << 3) | ((u16) (sr_data & 0x02) << 9);
- E = VDE + 1;
- vgawb (CRTC_ADR, 0x10);
- cr_data = vgarb (CRTC_DATA);
- VRS =
- (cr_data & 0xff) | ((u16) (cr_data2 & 0x04) << 6) |
- ((u16) (cr_data2 & 0x80) << 2) | ((u16) (sr_data & 0x08) << 7);
- F = VRS + 1 - E;
- vgawb (CRTC_ADR, 0x15);
- cr_data = vgarb (CRTC_DATA);
- vgawb (CRTC_ADR, 0x9);
- cr_data3 = vgarb (CRTC_DATA);
- VBS = (cr_data & 0xff) | ((u16) (cr_data2 & 0x08) << 5) |
- ((u16) (cr_data3 & 0x20) << 4) | ((u16) (sr_data & 0x04) << 8);
- vgawb (CRTC_ADR, 0x16);
- cr_data = vgarb (CRTC_DATA);
- VBE = (cr_data & 0xff) | ((u16) (sr_data & 0x10) << 4);
- temp = VBE - ((E - 1) & 511);
- B = (temp > 0) ? temp : (temp + 512);
- vgawb (CRTC_ADR, 0x11);
- cr_data = vgarb (CRTC_DATA);
- VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
- temp = VRE - ((E + F - 1) & 31);
- C = (temp > 0) ? temp : (temp + 32);
- D = B - F - C;
- var->yres = var->yres_virtual = E;
- var->upper_margin = D;
- var->lower_margin = F;
- var->vsync_len = C;
- vgawb (SEQ_ADR, 0xb);
- sr_data = vgarb (SEQ_DATA);
- vgawb (CRTC_ADR, 0x0);
- cr_data = vgarb (CRTC_DATA);
- HT = (cr_data & 0xff) | ((u16) (sr_data & 0x03) << 8);
- A = HT + 5;
- vgawb (CRTC_ADR, 0x1);
- cr_data = vgarb (CRTC_DATA);
- HDE = (cr_data & 0xff) | ((u16) (sr_data & 0x0C) << 6);
- E = HDE + 1;
- vgawb (CRTC_ADR, 0x4);
- cr_data = vgarb (CRTC_DATA);
- HRS = (cr_data & 0xff) | ((u16) (sr_data & 0xC0) << 2);
- F = HRS - E - 3;
- vgawb (CRTC_ADR, 0x2);
- cr_data = vgarb (CRTC_DATA);
- HBS = (cr_data & 0xff) | ((u16) (sr_data & 0x30) << 4);
- vgawb (SEQ_ADR, 0xc);
- sr_data = vgarb (SEQ_DATA);
- vgawb (CRTC_ADR, 0x3);
- cr_data = vgarb (CRTC_DATA);
- vgawb (CRTC_ADR, 0x5);
- cr_data2 = vgarb (CRTC_DATA);
- HBE =
- (cr_data & 0x1f) | ((u16) (cr_data2 & 0x80) >> 2) |
- ((u16) (sr_data & 0x03) << 6);
- HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
- temp = HBE - ((E - 1) & 255);
- B = (temp > 0) ? temp : (temp + 256);
- temp = HRE - ((E + F + 3) & 63);
- C = (temp > 0) ? temp : (temp + 64);
- D = B - F - C;
- var->xres = var->xres_virtual = E * 8;
- var->left_margin = D * 8;
- var->right_margin = F * 8;
- var->hsync_len = C * 8;
- var->activate = FB_ACTIVATE_NOW;
- var->sync = 0;
- mr_data = vgarb (0x1C);
- if (mr_data & 0x80)
- var->sync &= ~FB_SYNC_VERT_HIGH_ACT;
- else
- var->sync |= FB_SYNC_VERT_HIGH_ACT;
- if (mr_data & 0x40)
- var->sync &= ~FB_SYNC_HOR_HIGH_ACT;
- else
- var->sync |= FB_SYNC_HOR_HIGH_ACT;
- VT += 2;
- VT <<= 1;
- HT = (HT + 5) * 8;
- hrate = (double) ivideo.refresh_rate * (double) VT / 2;
- drate = hrate * HT;
- var->pixclock = (u32) (1E12 / drate);
- }
- /* ------------------ Public Routines -------------------------------- */
- static int sisfb_get_fix (struct fb_fix_screeninfo *fix, int con, struct fb_info *info)
- {
- memset (fix, 0, sizeof (struct fb_fix_screeninfo));
- strcpy (fix->id, fb_info.modename);
- fix->smem_start = ivideo.video_base;
- /*karl:10/01/2001 */
- if (!sisfb_mem) {
- if (ivideo.video_size > 0x800000)
- fix->smem_len = 0x800000;
- else
- fix->smem_len = 0x400000;
- } else
- fix->smem_len = sisfb_mem * 0x100000;
- fix->type = video_type;
- fix->type_aux = 0;
- if (ivideo.video_bpp == 8)
- fix->visual = FB_VISUAL_PSEUDOCOLOR;
- else
- fix->visual = FB_VISUAL_TRUECOLOR;
- fix->xpanstep = 0;
- fix->ypanstep = 0;
- fix->ywrapstep = 0;
- fix->line_length = video_linelength;
- fix->mmio_start = ivideo.mmio_base;
- fix->mmio_len = sisfb_mmio_size;
- fix->accel = FB_ACCEL_SIS_GLAMOUR;
- fix->reserved[0] = ivideo.video_size & 0xFFFF;
- fix->reserved[1] = (ivideo.video_size >> 16) & 0xFFFF;
- fix->reserved[2] = sisfb_caps;
- return 0;
- }
- static int sisfb_get_var (struct fb_var_screeninfo *var, int con, struct fb_info *info)
- {
- if (con == -1)
- memcpy (var, &default_var, sizeof (struct fb_var_screeninfo));
- else
- *var = fb_display[con].var;
- return 0;
- }
- static int sisfb_set_var (struct fb_var_screeninfo *var, int con, struct fb_info *info)
- {
- int err;
- unsigned int cols, rows;
- fb_display[con].var.activate = FB_ACTIVATE_NOW;
- if (sisfb_do_set_var (var, con == currcon, info)) {
- sisfb_crtc_to_var (var);
- return -EINVAL;
- }
- sisfb_crtc_to_var (var);
- sisfb_set_disp (con, var);
- if (info->changevar)
- (*info->changevar) (con);
- if ((err = fb_alloc_cmap (&fb_display[con].cmap, 0, 0)))
- return err;
- sisfb_do_install_cmap (con, info);
- cols = sisbios_mode[sisfb_mode_idx].cols;
- rows = sisbios_mode[sisfb_mode_idx].rows;
- vc_resize_con (rows, cols, fb_display[con].conp->vc_num);
- return 0;
- }
- static int sisfb_get_cmap (struct fb_cmap *cmap, int kspc, int con, struct fb_info *info)
- {
- if (con == currcon)
- return fb_get_cmap (cmap, kspc, sis_getcolreg, info);
- else if (fb_display[con].cmap.len)
- fb_copy_cmap (&fb_display[con].cmap, cmap, kspc ? 0 : 2);
- else
- fb_copy_cmap (fb_default_cmap (video_cmap_len), cmap,
- kspc ? 0 : 2);
- return 0;
- }
- static int sisfb_set_cmap (struct fb_cmap *cmap, int kspc, int con, struct fb_info *info)
- {
- int err;
- if (!fb_display[con].cmap.len) {
- err = fb_alloc_cmap (&fb_display[con].cmap, video_cmap_len, 0);
- if (err)
- return err;
- }
- if (con == currcon)
- return fb_set_cmap (cmap, kspc, sis_setcolreg, info);
- else
- fb_copy_cmap (cmap, &fb_display[con].cmap, kspc ? 0 : 1);
- return 0;
- }
- static int sisfb_ioctl (struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg, int con, struct fb_info *info)
- {
- switch (cmd) {
- case FBIO_ALLOC:
- if (!capable (CAP_SYS_RAWIO))
- return -EPERM;
- sis_malloc ((struct sis_memreq *) arg);
- break;
- case FBIO_FREE:
- if (!capable (CAP_SYS_RAWIO))
- return -EPERM;
- sis_free (*(unsigned long *) arg);
- break;
- case FBIOGET_GLYPH:
- sis_get_glyph ((SIS_GLYINFO *) arg);
- break;
- case FBIOGET_HWCINFO:
- {
- unsigned long *hwc_offset = (unsigned long *) arg;
- if (sisfb_caps & HW_CURSOR_CAP)
- *hwc_offset = sisfb_hwcursor_vbase -
- (unsigned long) ivideo.video_vbase;
- else
- *hwc_offset = 0;
- break;
- }
- case FBIOPUT_MODEINFO:
- {
- struct mode_info *x = (struct mode_info *) arg;
- ivideo.video_bpp = x->bpp;
- ivideo.video_width = x->xres;
- ivideo.video_height = x->yres;
- ivideo.video_vwidth = x->v_xres;
- ivideo.video_vheight = x->v_yres;
- ivideo.org_x = x->org_x;
- ivideo.org_y = x->org_y;
- ivideo.refresh_rate = x->vrate;
- break;
- }
- case FBIOGET_DISPINFO:
- sis_dispinfo ((struct ap_data *) arg);
- break;
- default:
- return -EINVAL;
- }
- return 0;
- }
- static int sisfb_mmap (struct fb_info *info, struct file *file, struct vm_area_struct *vma)
- {
- struct fb_var_screeninfo var;
- unsigned long start;
- unsigned long off;
- u32 len;
- if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
- return -EINVAL;
- off = vma->vm_pgoff << PAGE_SHIFT;
- start = (unsigned long) ivideo.video_base;
- len = PAGE_ALIGN ((start & ~PAGE_MASK) + ivideo.video_size);
- if (off >= len) {
- off -= len;
- sisfb_get_var (&var, currcon, info);
- if (var.accel_flags)
- return -EINVAL;
- start = (unsigned long) ivideo.mmio_base;
- len = PAGE_ALIGN ((start & ~PAGE_MASK) + sisfb_mmio_size);
- }
- start &= PAGE_MASK;
- if ((vma->vm_end - vma->vm_start + off) > len)
- return -EINVAL;
- off += start;
- vma->vm_pgoff = off >> PAGE_SHIFT;
- #if defined(__i386__)
- if (boot_cpu_data.x86 > 3)
- pgprot_val (vma->vm_page_prot) |= _PAGE_PCD;
- #endif
- if (io_remap_page_range(vma->vm_start, off, vma->vm_end - vma->vm_start, vma->vm_page_prot))
- return -EAGAIN;
- return 0;
- }
- static struct fb_ops sisfb_ops = {
- owner:THIS_MODULE,
- fb_get_fix:sisfb_get_fix,
- fb_get_var:sisfb_get_var,
- fb_set_var:sisfb_set_var,
- fb_get_cmap:sisfb_get_cmap,
- fb_set_cmap:sisfb_set_cmap,
- fb_ioctl:sisfb_ioctl,
- fb_mmap:sisfb_mmap,
- };
- /* ------------ Interface to the low level console driver -------------*/
- static int sisfb_update_var (int con, struct fb_info *info)
- {
- return 0;
- }
- static int sisfb_switch (int con, struct fb_info *info)
- {
- int cols, rows;
- if (fb_display[currcon].cmap.len)
- fb_get_cmap (&fb_display[currcon].cmap, 1, sis_getcolreg, info);
- fb_display[con].var.activate = FB_ACTIVATE_NOW;
- if (!memcmp(&fb_display[con].var, &fb_display[currcon].var, sizeof (struct fb_var_screeninfo))) {
- currcon = con;
- return 1;
- }
- currcon = con;
- sisfb_do_set_var (&fb_display[con].var, 1, info);
- sisfb_set_disp (con, &fb_display[con].var);
- sisfb_do_install_cmap (con, info);
- cols = sisbios_mode[sisfb_mode_idx].cols;
- rows = sisbios_mode[sisfb_mode_idx].rows;
- vc_resize_con (rows, cols, fb_display[con].conp->vc_num);
- sisfb_update_var (con, info);
- return 1;
- }
- static void sisfb_blank (int blank, struct fb_info *info)
- {
- u8 reg;
- vgawb (CRTC_ADR, 0x17);
- reg = vgarb (CRTC_DATA);
- if (blank > 0)
- reg &= 0x7f;
- else
- reg |= 0x80;
- vgawb (CRTC_ADR, 0x17);
- vgawb (CRTC_DATA, reg);
- }
- int sisfb_setup (char *options)
- {
- char *this_opt;
- fb_info.fontname[0] = ' ';
- ivideo.refresh_rate = 0;
- if (!options || !*options)
- return 0;
- for (this_opt = strtok (options, ","); this_opt;
- this_opt = strtok (NULL, ",")) {
- if (!*this_opt)
- continue;
- if (!strcmp (this_opt, "inverse")) {
- sisfb_inverse = 1;
- fb_invert_cmaps ();
- } else if (!strncmp (this_opt, "font:", 5)) {
- strcpy (fb_info.fontname, this_opt + 5);
- } else if (!strncmp (this_opt, "mode:", 5)) {
- sisfb_search_mode (this_opt + 5);
- } else if (!strncmp (this_opt, "vrate:", 6)) {
- ivideo.refresh_rate =
- simple_strtoul (this_opt + 6, NULL, 0);
- } else if (!strncmp (this_opt, "off", 3)) {
- sisfb_off = 1;
- } else if (!strncmp (this_opt, "crt1off", 7)) {
- sisfb_crt1off = 1;
- } else if (!strncmp (this_opt, "filter:", 7)) {
- filter = (int) simple_strtoul (this_opt + 7, NULL, 0);
- }
- /*karl */
- else if (!strncmp (this_opt, "tvmode:", 7)) {
- if (!strncmp (this_opt + 7, "pal", 3))
- sisfb_tvmode = 1;
- if (!strncmp (this_opt + 7, "ntsc", 4))
- sisfb_tvmode = 2;
- }
- /*karl:10/01/2001 */
- else if (!strncmp (this_opt, "mem:", 4)) {
- sisfb_mem = simple_strtoul (this_opt + 4, NULL, 0);
- } else
- DPRINTK ("invalid parameter %sn", this_opt);
- }
- return 0;
- }
- int __init sisfb_init (void)
- {
- struct pci_dev *pdev = NULL;
- struct board *b;
- int pdev_valid = 0;
- //unsigned long rom_vbase;
- u32 reg32;
- u16 reg16;
- u8 reg;
- int nRes;
- outb (0x77, 0x80);
- if (sisfb_off)
- return -ENXIO;
- pci_for_each_dev (pdev)
- {
- for (b = sisdev_list; b->vendor; b++) {
- if ((b->vendor == pdev->vendor)
- && (b->device == pdev->device)) {
- pdev_valid = 1;
- strcpy (fb_info.modename, b->name);
- ivideo.chip_id = pdev->device;
- pci_read_config_byte (pdev, PCI_REVISION_ID,
- &ivideo.revision_id);
- pci_read_config_word (pdev, PCI_COMMAND, ®16);
- // Eden Chen
- //sishw_ext.uRevisionID = ivideo.revision_id;
- sishw_ext.jChipRevision = ivideo.revision_id;
- // ~Eden Chen
- sisvga_enabled = reg16 & 0x1;
- break;
- }
- }
-
- if (pdev_valid)
- break;
- }
-
- if (!pdev_valid)
- return -1;
-
- // Eden Chen
- switch (ivideo.chip_id) {
- case PCI_DEVICE_ID_SI_300:
- ivideo.chip = SIS_300;
- sisvga_engine = SIS_300_VGA;
- break;
- case PCI_DEVICE_ID_SI_630_VGA:
- {
- sisfb_set_reg4 (0xCF8, 0x80000000);
- reg32 = sisfb_get_reg3 (0xCFC);
- if (reg32 == 0x07301039) {
- ivideo.chip = SIS_730;
- strcpy (fb_info.modename, "SIS 730");
- } else
- ivideo.chip = SIS_630;
- sisvga_engine = SIS_300_VGA;
- break;
- }
- case PCI_DEVICE_ID_SI_540_VGA:
- ivideo.chip = SIS_540;
- sisvga_engine = SIS_300_VGA;
- break;
- case PCI_DEVICE_ID_SI_315H:
- ivideo.chip = SIS_315H;
- sisvga_engine = SIS_315_VGA;
- break;
- case PCI_DEVICE_ID_SI_315:
- ivideo.chip = SIS_315;
- sisvga_engine = SIS_315_VGA;
- break;
- case PCI_DEVICE_ID_SI_315PRO:
- ivideo.chip = SIS_315PRO;
- sisvga_engine = SIS_315_VGA;
- break;
- case PCI_DEVICE_ID_SI_550_VGA:
- ivideo.chip = SIS_550;
- sisvga_engine = SIS_315_VGA;
- break;
- }
- // Eden Chen
- //sishw_ext.jChipID = ivideo.chip;
- sishw_ext.jChipType = ivideo.chip;
- // for Debug
- if ((sishw_ext.jChipType == SIS_315PRO)
- || (sishw_ext.jChipType == SIS_315))
- sishw_ext.jChipType = SIS_315H;
- // ~Eden Chen
- DPRINTK ("%s is used as %s device(VGA Engine %d).n",
- fb_info.modename, sisvga_enabled ? "primary" : "secondary",
- sisvga_engine);
-
- ivideo.video_base = pci_resource_start (pdev, 0);
- ivideo.mmio_base = pci_resource_start (pdev, 1);
- // Eden Chen
- //sishw_ext.IOAddress = (unsigned short) ivideo.vga_base
- // = pci_resource_start(pdev, 2) + 0x30;
- sishw_ext.ulIOAddress = (unsigned short) ivideo.vga_base = pci_resource_start (pdev, 2) + 0x30;
- // ~Eden Chen
- sisfb_mmio_size = pci_resource_len (pdev, 1);
- if (!sisvga_enabled)
- if (pci_enable_device (pdev))
- return -EIO;
-
- vgawb (SEQ_ADR, IND_SIS_PASSWORD);
- vgawb (SEQ_DATA, SIS_PASSWORD);
- #ifdef LINUXBIOS
- #ifdef CONFIG_FB_SIS_300
- if (sisvga_engine == SIS_300_VGA)
- {
- vgawb (SEQ_ADR, 0x28);
- vgawb (SEQ_DATA, 0x37);
- vgawb (SEQ_ADR, 0x29);
- vgawb (SEQ_DATA, 0x61);
- vgawb (SEQ_ADR, IND_SIS_SCRATCH_REG_1A);
- reg = vgarb (SEQ_DATA);
- reg |= SIS_SCRATCH_REG_1A_MASK;
- vgawb (SEQ_DATA, reg);
- }
- #endif
- #ifdef CONFIG_FB_SIS_315
- if (ivideo.chip == SIS_550) {
- vgawb (SEQ_ADR, 0x28);
- vgawb (SEQ_DATA, 0x5A);
-
- vgawb (SEQ_ADR, 0x29);
- vgawb (SEQ_DATA, 0x64);
- vgawb (CRTC_ADR, 0x3A);
- vgawb (CRTC_DATA, 0x00);
- }
- #endif
- #endif
- if (sisvga_engine == SIS_315_VGA) {
- switch (ivideo.chip) {
- case SIS_315H:
- case SIS_315:
- sishw_ext.bIntegratedMMEnabled = TRUE;
- break;
- case SIS_550:
- // Eden Chen
- //vgawb(SEQ_ADR, IND_SIS_SCRATCH_REG_1A);
- //reg = vgarb(SEQ_DATA);
- //if (reg & SIS_SCRATCH_REG_1A_MASK)
- // sishw_ext.bIntegratedMMEnabled = TRUE;
- //else
- // sishw_ext.bIntegratedMMEnabled = FALSE;
- //for Debug
- sishw_ext.bIntegratedMMEnabled = TRUE;
- // ~Eden Chen
- break;
- default:
- break;
- }
- } else if (sisvga_engine == SIS_300_VGA) {
- if (ivideo.chip == SIS_300) {
- sishw_ext.bIntegratedMMEnabled = TRUE;
- } else {
- vgawb (SEQ_ADR, IND_SIS_SCRATCH_REG_1A);
- reg = vgarb (SEQ_DATA);
- if (reg & SIS_SCRATCH_REG_1A_MASK)
- sishw_ext.bIntegratedMMEnabled = TRUE;
- else
- sishw_ext.bIntegratedMMEnabled = FALSE;
- }
- }
- // Eden Chen
- sishw_ext.pDevice = NULL;
- sishw_ext.pjVirtualRomBase = NULL;
- sishw_ext.pjCustomizedROMImage = NULL;
- sishw_ext.bSkipDramSizing = 0;
- sishw_ext.pQueryVGAConfigSpace = &sisfb_query_VGA_config_space;
- sishw_ext.pQueryNorthBridgeSpace = &sisfb_query_north_bridge_space;
- strcpy (sishw_ext.szVBIOSVer, "0.84");
- sishw_ext.pSR = vmalloc (sizeof (SIS_DSReg) * SR_BUFFER_SIZE);
- if (sishw_ext.pSR == NULL)
- printk (KERN_DEBUG "Allocated SRReg space fail.n");
- sishw_ext.pSR[0].jIdx = sishw_ext.pSR[0].jVal = 0xFF;
- sishw_ext.pCR = vmalloc (sizeof (SIS_DSReg) * CR_BUFFER_SIZE);
- if (sishw_ext.pCR == NULL)
- printk (KERN_DEBUG "Allocated CRReg space fail.n");
- sishw_ext.pCR[0].jIdx = sishw_ext.pCR[0].jVal = 0xFF;
- // ~Eden Chen
- #ifdef CONFIG_FB_SIS_300
- if (sisvga_engine == SIS_300_VGA) {
- if (!sisvga_enabled) {
- // Eden Chen
- sishw_ext.pjVideoMemoryAddress = ioremap (ivideo.video_base, 0x2000000);
- //SiSInit300(&sishw_ext);
- SiSInit (&sishw_ext);
- vgawb (SEQ_ADR, IND_SIS_PASSWORD);
- vgawb (SEQ_DATA, SIS_PASSWORD);
- // ~Eden Chen
- }
- #ifdef LINUXBIOS
- else {
- // Eden Chen
- sishw_ext.pjVideoMemoryAddress
- = ioremap (ivideo.video_base, 0x2000000);
- //SiSInit300(&sishw_ext);
- SiSInit (&sishw_ext);
- vgawb (SEQ_ADR, IND_SIS_PASSWORD);
- vgawb (SEQ_DATA, SIS_PASSWORD);
- // ~Eden Chen
- }
- vgawb (SEQ_ADR, 0x7);
- reg = vgarb (SEQ_DATA);
- reg |= 0x10;
- vgawb (SEQ_DATA, reg);
- #endif
- sisfb_get_dram_size_300 ();
- }
- #endif
- #ifdef CONFIG_FB_SIS_315
- if (sisvga_engine == SIS_315_VGA) {
- if (!sisvga_enabled) {
- /* Mapping Max FB Size for 315 Init */
- // Eden Chen
- //sishw_ext.VirtualVideoMemoryAddress
- sishw_ext.pjVideoMemoryAddress = ioremap (ivideo.video_base, 0x8000000);
- //SiSInit310(&sishw_ext);
- SiSInit (&sishw_ext);
-
- vgawb (SEQ_ADR, IND_SIS_PASSWORD);
- vgawb (SEQ_DATA, SIS_PASSWORD);
-
- sishw_ext.bSkipDramSizing = TRUE;
- vgawb (SEQ_ADR, 0x13);
- sishw_ext.pSR[0].jIdx = 0x13;
- sishw_ext.pSR[0].jVal = vgarb (SEQ_DATA);
- vgawb (SEQ_ADR, 0x14);
- sishw_ext.pSR[1].jIdx = 0x14;
- sishw_ext.pSR[1].jVal = vgarb (SEQ_DATA);
- sishw_ext.pSR[2].jIdx = 0xFF;
- sishw_ext.pSR[2].jVal = 0xFF;
- // Eden Chen
- }
- #ifdef LINUXBIOS
- else {
- sishw_ext.pjVideoMemoryAddress = ioremap (ivideo.video_base, 0x8000000);
- SiSInit (&sishw_ext);
- vgawb (SEQ_ADR, IND_SIS_PASSWORD);
- vgawb (SEQ_DATA, SIS_PASSWORD);
-
- sishw_ext.bSkipDramSizing = TRUE;
- vgawb (SEQ_ADR, 0x13);
- sishw_ext.pSR[0].jIdx = 0x13;
- sishw_ext.pSR[0].jVal = vgarb (SEQ_DATA);
- vgawb (SEQ_ADR, 0x14);
- sishw_ext.pSR[1].jIdx = 0x14;
- sishw_ext.pSR[1].jVal = vgarb (SEQ_DATA);
- sishw_ext.pSR[2].jIdx = 0xFF;
- sishw_ext.pSR[2].jVal = 0xFF;
- }
- #endif
- sisfb_get_dram_size_315 ();
- }
- #endif
- //Eden Chen
- vgawb (SEQ_ADR, IND_SIS_PCI_ADDRESS_SET);
- reg = vgarb (SEQ_DATA);
- reg |= SIS_PCI_ADDR_ENABLE;
- reg |= SIS_MEM_MAP_IO_ENABLE;
- vgawb (SEQ_DATA, reg);
- vgawb (SEQ_ADR, IND_SIS_MODULE_ENABLE);
- reg = vgarb (SEQ_DATA);
- reg |= SIS_ENABLE_2D;
- vgawb (SEQ_DATA, reg);
- //~Eden Chen
- // Eden Chen
- sishw_ext.ulVideoMemorySize = ivideo.video_size;
- // ~Eden Chen
- if (!request_mem_region (ivideo.video_base, ivideo.video_size, "sisfb FB")) {
- printk (KERN_ERR "sisfb: cannot reserve frame buffer memoryn");
- return -ENODEV;
- }
- if (!request_mem_region (ivideo.mmio_base, sisfb_mmio_size, "sisfb MMIO")) {
- printk (KERN_ERR "sisfb: cannot reserve MMIO regionn");
- release_mem_region (ivideo.video_base, ivideo.video_size);
- return -ENODEV;
- }
- // Eden Chen
- //sishw_ext.VirtualVideoMemoryAddress = ivideo.video_vbase
- sishw_ext.pjVideoMemoryAddress = ivideo.video_vbase = ioremap (ivideo.video_base, ivideo.video_size);
- // Eden Chen
- ivideo.mmio_vbase = ioremap (ivideo.mmio_base, sisfb_mmio_size);
- printk (KERN_INFO
- "sisfb: framebuffer at 0x%lx, mapped to 0x%p, size %dkn",
- ivideo.video_base, ivideo.video_vbase, ivideo.video_size / 1024);
- printk (KERN_INFO
- "sisfb: MMIO at 0x%lx, mapped to 0x%p, size %ldkn",
- ivideo.mmio_base, ivideo.mmio_vbase, sisfb_mmio_size / 1024);
- #ifdef CONFIG_FB_SIS_300
- if (sisvga_engine == SIS_300_VGA) {
- sisfb_get_VB_type_300 ();
- if (ivideo.hasVB != HASVB_NONE) {
- sisfb_detect_VB_connect_300 ();
- }
- }
- #endif
- #ifdef CONFIG_FB_SIS_315
- if (sisvga_engine == SIS_315_VGA) {
- sisfb_get_VB_type_315 ();
- if (ivideo.hasVB != HASVB_NONE) {
- sisfb_detect_VB_connect_315 ();
- }
- }
- #endif
- // Eden Chen
- sishw_ext.ujVBChipID = VB_CHIP_UNKNOWN;
- sishw_ext.usExternalChip = 0;
- switch (ivideo.hasVB) {
- case HASVB_301:
- /*karl */
- vgawb (VB_PART4_ADR, 0x01);
- reg = vgarb (VB_PART4_DATA);
- if ((reg != 0xB1) && (reg != 0xB0))
- sishw_ext.ujVBChipID = VB_CHIP_301;
- else
- sishw_ext.ujVBChipID = VB_CHIP_301B;
- break;
- case HASVB_302:
- sishw_ext.ujVBChipID = VB_CHIP_302;
- break;
- case HASVB_303:
- sishw_ext.ujVBChipID = VB_CHIP_303;
- break;
- case HASVB_LVDS:
- sishw_ext.usExternalChip = 0x1;
- break;
- case HASVB_TRUMPION:
- sishw_ext.usExternalChip = 0x2;
- break;
- case HASVB_CHRONTEL:
- sishw_ext.usExternalChip = 0x4;
- break;
- case HASVB_LVDS_CHRONTEL:
- sishw_ext.usExternalChip = 0x5;
- break;
- default:
- break;
- }
- // ~Eden Chen
- if (ivideo.disp_state & DISPTYPE_DISP2) {
- if (sisfb_crt1off)
- ivideo.disp_state |= DISPMODE_SINGLE;
- else
- ivideo.disp_state |= (DISPMODE_MIRROR | DISPTYPE_CRT1);
- } else
- ivideo.disp_state = DISPMODE_SINGLE | DISPTYPE_CRT1;
- if (ivideo.disp_state & DISPTYPE_LCD) {
- vgawb (CRTC_ADR, IND_SIS_LCD_PANEL);
- reg = vgarb (CRTC_DATA);
- // Eden Chen
- switch (reg) {
- case SIS_LCD_PANEL_800X600:
- sishw_ext.ulCRT2LCDType = LCD_800x600;
- break;
- case SIS_LCD_PANEL_1024X768:
- sishw_ext.ulCRT2LCDType = LCD_1024x768;
- break;
- case SIS_LCD_PANEL_1280X1024:
- sishw_ext.ulCRT2LCDType = LCD_1280x1024;
- break;
- case SIS_LCD_PANEL_640X480:
- sishw_ext.ulCRT2LCDType = LCD_640x480;
- break;
- case SIS_LCD_PANEL_1280X960:
- sishw_ext.ulCRT2LCDType = LCD_1280x960;
- break;
- default:
- sishw_ext.ulCRT2LCDType = LCD_1024x768;
- break;
- }
- // ~Eden Chen
- }
- if (sisfb_mode_idx >= 0)
- sisfb_validate_mode ();
-
- if (sisfb_mode_idx < 0) {
- switch (ivideo.disp_state & DISPTYPE_DISP2) {
- case DISPTYPE_LCD:
- sisfb_mode_idx = DEFAULT_LCDMODE;
- break;
- case DISPTYPE_TV:
- sisfb_mode_idx = DEFAULT_TVMODE;
- break;
- default:
- sisfb_mode_idx = DEFAULT_MODE;
- break;
- }
- }
-
- sisfb_mode_no = sisbios_mode[sisfb_mode_idx].mode_no;
-
- if (ivideo.refresh_rate != 0)
- sisfb_search_refresh_rate (ivideo.refresh_rate);
- if (sisfb_rate_idx == 0) {
- sisfb_rate_idx = sisbios_mode[sisfb_mode_idx].rate_idx;
- ivideo.refresh_rate = 60;
- }
- ivideo.video_bpp = sisbios_mode[sisfb_mode_idx].bpp;
- ivideo.video_vwidth = ivideo.video_width = sisbios_mode[sisfb_mode_idx].xres;
- ivideo.video_vheight = ivideo.video_height = sisbios_mode[sisfb_mode_idx].yres;
- ivideo.org_x = ivideo.org_y = 0;
- video_linelength = ivideo.video_width * (ivideo.video_bpp >> 3);
- printk (KERN_INFO "sisfb: mode is %dx%dx%d, linelength=%dn",
- ivideo.video_width, ivideo.video_height, ivideo.video_bpp,
- video_linelength);
- // Eden Chen
- // Check interface correction For Debug
- DPRINTK ("VM Adr=0x%pn", sishw_ext.pjVideoMemoryAddress);
- DPRINTK ("VM Size=%ldKn", sishw_ext.ulVideoMemorySize / 1024);
- DPRINTK ("IO Adr=0x%lxn", sishw_ext.ulIOAddress);
- DPRINTK ("Chip=%dn", sishw_ext.jChipType);
- DPRINTK ("ChipRevision=%dn", sishw_ext.jChipRevision);
- DPRINTK ("VBChip=%dn", sishw_ext.ujVBChipID);
- DPRINTK ("ExtVB=%dn", sishw_ext.usExternalChip);
- DPRINTK ("LCD=%ldn", sishw_ext.ulCRT2LCDType);
- DPRINTK ("bIntegratedMMEnabled=%dn", sishw_ext.bIntegratedMMEnabled);
- // ~Eden Chen
- sisfb_pre_setmode ();
- if (SiSSetMode (&sishw_ext, sisfb_mode_no) == 0) {
- DPRINTK ("set mode[0x%x]: failedn", sisfb_mode_no);
- return -1;
- }
- vgawb (SEQ_ADR, IND_SIS_PASSWORD);
- vgawb (SEQ_DATA, SIS_PASSWORD);
- // Eden Chen
- sisfb_post_setmode ();
- sisfb_crtc_to_var (&default_var);
- fb_info.changevar = NULL;
- fb_info.node = -1;
- fb_info.fbops = &sisfb_ops;
- fb_info.disp = &disp;
- fb_info.switch_con = &sisfb_switch;
- fb_info.updatevar = &sisfb_update_var;
- fb_info.blank = &sisfb_blank;
- fb_info.flags = FBINFO_FLAG_DEFAULT;
- sisfb_set_disp (-1, &default_var);
- if (sisfb_heap_init ()) {
- DPRINTK ("sisfb: Failed to enable offscreen heapn");
- }
-
- /*H.C. */
- nRes = mtrr_add ((unsigned int) ivideo.video_base, (unsigned int) ivideo.video_size, MTRR_TYPE_WRCOMB, 1);
- vc_resize_con (1, 1, 0);
- if (register_framebuffer (&fb_info) < 0)
- return -EINVAL;
- printk (KERN_INFO "fb%d: %s frame buffer device, Version %d.%d.%02dn",
- GET_FB_IDX (fb_info.node), fb_info.modename, VER_MAJOR, VER_MINOR,
- VER_LEVEL);
- return 0;
- }
- #ifdef MODULE
- static char *mode = NULL;
- static unsigned int rate = 0;
- static unsigned int crt1 = 1;
- MODULE_PARM (mode, "s");
- MODULE_PARM (rate, "i");
- MODULE_PARM (crt1, "i");
- MODULE_PARM (filter, "i");
- int init_module (void)
- {
- if (mode)
- sisfb_search_mode (mode);
- ivideo.refresh_rate = rate;
- if (crt1 == 0)
- sisfb_crt1off = 1;
- else
- sisfb_crt1off = 0;
- sisfb_init ();
- return 0;
- }
- void cleanup_module (void)
- {
- unregister_framebuffer (&fb_info);
- }
- #endif
- EXPORT_SYMBOL (sis_malloc);
- EXPORT_SYMBOL (sis_free);
- EXPORT_SYMBOL (sis_dispinfo);
- EXPORT_SYMBOL (ivideo);