extractedLnx/linux-2.5.65/drivers/video/sis/sis_main.c_sisfb_set_var.c
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 LINUX_VERSION_CODE > KERNEL_VERSION(2,5,23)
if (sisfb_do_set_var(var, con == info->currcon, info)) {
#else
if (sisfb_do_set_var(var, con == currcon, info)) {
#endif
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 LINUX_VERSION_CODE > KERNEL_VERSION(2,5,23)
if (con == info->currcon)
#else
if (con == currcon)
#endif
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 LINUX_VERSION_CODE > KERNEL_VERSION(2,5,23)
if (con == info->currcon)
return fb_set_cmap(cmap, kspc, info);
#else
if (con == currcon)
return fb_set_cmap(cmap, kspc, sisfb_setcolreg, info);
#endif
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:
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,23)
sis_get_glyph((SIS_GLYINFO *) arg);
#else
sis_get_glyph(info,(SIS_GLYINFO *) arg);
#endif
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;
case SISFB_GET_INFO: /* TW: New for communication with X driver */
{
sisfb_info *x = (sisfb_info *)arg;
x->sisfb_id = SISFB_ID;
x->sisfb_version = VER_MAJOR;
x->sisfb_revision = VER_MINOR;
x->sisfb_patchlevel = VER_LEVEL;
x->chip_id = ivideo.chip_id;
x->memory = ivideo.video_size / 1024;
x->heapstart = ivideo.heapstart / 1024;
x->fbvidmode = sisfb_mode_no;
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;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,23)
sisfb_get_var(&var, info->currcon, info);
#else
sisfb_get_var(&var, currcon, info);
#endif
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__) || defined(__x86_64__)
if (boot_cpu_data.x86 > 3)
pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
if (io_remap_page_range(vma->vm_start, off, vma->vm_end - vma->vm_start,
vma->vm_page_prot))
#else /* TW: 2.5 API */
if (io_remap_page_range(vma, vma->vm_start, off, vma->vm_end - vma->vm_start,
vma->vm_page_prot))
#endif
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,
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,23)
.fb_setcolreg = sisfb_setcolreg,
.fb_blank = sisfb_blank,
#endif
.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 LINUX_VERSION_CODE > KERNEL_VERSION(2,5,23)
if (fb_display[info->currcon].cmap.len)
fb_get_cmap(&fb_display[info->currcon].cmap, 1, sis_getcolreg, info);
#else
if (fb_display[currcon].cmap.len)
fb_get_cmap(&fb_display[currcon].cmap, 1, sis_getcolreg, info);
#endif
fb_display[con].var.activate = FB_ACTIVATE_NOW;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,23)
if (!memcmp(&fb_display[con].var, &fb_display[info->currcon].var,
sizeof(struct fb_var_screeninfo))) {
info->currcon = con;
return 1;
}
info->currcon = con;
#else
if (!memcmp(&fb_display[con].var, &fb_display[currcon].var,
sizeof(struct fb_var_screeninfo))) {
currcon = con;
return 1;
}
currcon = con;
#endif
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] = '\0';
ivideo.refresh_rate = 0;
if (!options || !*options)
return 0;
while((this_opt = strsep(&options, ",")) != 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, "rate:", 5)) {
ivideo.refresh_rate =
simple_strtoul(this_opt + 5, 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);
} else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
sisfb_search_crt2type(this_opt + 14);
} else if (!strncmp(this_opt, "forcecrt1:", 10)) {
sisfb_forcecrt1 = (int)simple_strtoul(this_opt + 10, NULL, 0);
} 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;
} else if (!strncmp(this_opt, "mem:",4)) {
sisfb_mem = simple_strtoul(this_opt + 4, NULL, 0);
} else if (!strncmp(this_opt, "dstn:", 5)) {
enable_dstn = simple_strtoul(this_opt + 5, NULL, 0);
/* TW: DSTN overrules forcecrt2type */
if (enable_dstn) sisfb_crt2type = DISPTYPE_LCD;
} else if (!strncmp(this_opt, "queuemode:", 10)) {
sisfb_search_queuemode(this_opt + 10);
} else if (!strncmp(this_opt, "pdc:", 4)) {
sisfb_pdc = simple_strtoul(this_opt + 4, NULL, 0);
if(sisfb_pdc & ~0x3c) {
printk(KERN_INFO "sisfb: Illegal pdc parameter\n");
sisfb_pdc = 0;
}
} else {
printk(KERN_INFO "sisfb: Invalid parameter %s\n", 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 temp1, temp2;
outb(0x77, 0x80);
#if 0
/* for DOC VB */
sisfb_set_reg4(0xcf8,0x800000e0);
reg32 = sisfb_get_reg3(0xcfc);
reg32 = reg32 | 0x00001000;
sisfb_set_reg4(0xcfc,reg32);
}
#endif
if (sisfb_off)
return -ENXIO;
if (enable_dstn)
SetEnableDstn();
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);
sishw_ext.jChipRevision = ivideo.revision_id;
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;
sisfb_hwcursor_size = HW_CURSOR_AREA_SIZE_300;
sisfb_CRT2_write_enable = IND_SIS_CRT2_WRITE_ENABLE_300;
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;
sisfb_hwcursor_size = HW_CURSOR_AREA_SIZE_300;
sisfb_CRT2_write_enable = IND_SIS_CRT2_WRITE_ENABLE_300;
break;
}
case PCI_DEVICE_ID_SI_540_VGA:
ivideo.chip = SIS_540;
sisvga_engine = SIS_300_VGA;
sisfb_hwcursor_size = HW_CURSOR_AREA_SIZE_300;
sisfb_CRT2_write_enable = IND_SIS_CRT2_WRITE_ENABLE_300;
break;
case PCI_DEVICE_ID_SI_315H:
ivideo.chip = SIS_315H;
sisvga_engine = SIS_315_VGA;
sisfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315;
sisfb_CRT2_write_enable = IND_SIS_CRT2_WRITE_ENABLE_315;
break;
case PCI_DEVICE_ID_SI_315:
ivideo.chip = SIS_315;
sisvga_engine = SIS_315_VGA;
sisfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315;
sisfb_CRT2_write_enable = IND_SIS_CRT2_WRITE_ENABLE_315;
break;
case PCI_DEVICE_ID_SI_315PRO:
ivideo.chip = SIS_315PRO;
sisvga_engine = SIS_315_VGA;
sisfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315;
sisfb_CRT2_write_enable = IND_SIS_CRT2_WRITE_ENABLE_315;
break;
case PCI_DEVICE_ID_SI_550_VGA:
ivideo.chip = SIS_550;
sisvga_engine = SIS_315_VGA;
sisfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315;
sisfb_CRT2_write_enable = IND_SIS_CRT2_WRITE_ENABLE_315;
break;
case PCI_DEVICE_ID_SI_650_VGA:
ivideo.chip = SIS_650;
sisvga_engine = SIS_315_VGA;
sisfb_hwcursor_size = HW_CURSOR_AREA_SIZE_315;
sisfb_CRT2_write_enable = IND_SIS_CRT2_WRITE_ENABLE_315;
break;
}
sishw_ext.jChipType = ivideo.chip;
// for Debug
if ((sishw_ext.jChipType == SIS_315PRO)
|| (sishw_ext.jChipType == SIS_315) )
sishw_ext.jChipType = SIS_315H;
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);
sishw_ext.ulIOAddress = (unsigned short) ivideo.vga_base =
pci_resource_start(pdev, 2) + 0x30;
sisfb_mmio_size = pci_resource_len(pdev, 1);
if (!sisvga_enabled)
if (pci_enable_device(pdev)) return -EIO;
// Eden Eden
//#ifdef LINUXBIOS
// sishw_ext.VirtualRomBase = rom_vbase = (unsigned long) rom_data;
//#else
// {
// unsigned long rom_base = 0x000C0000;
//
// request_region(rom_base, 32, "sisfb");
// sishw_ext.VirtualRomBase = rom_vbase
// = (unsigned long) ioremap(rom_base, MAX_ROM_SCAN);
// }
//#endif
// ~Eden Chen
vgawb(SEQ_ADR, IND_SIS_PASSWORD);
vgawb(SEQ_DATA, SIS_PASSWORD);
/* TW: Debug kernel 2.5 problem */
vgawb(SEQ_ADR, 0x14);
reg = vgarb(SEQ_DATA);
printk("sisfb: SR14 = 0x%02x\n", reg);
/* /TW */
#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 || ivideo.chip == SIS_650) {
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 /* LinuxBIOS */
if (sisvga_engine == SIS_315_VGA) {
switch (ivideo.chip) {
case SIS_315H:
case SIS_315:
sishw_ext.bIntegratedMMEnabled = TRUE;
break;
case SIS_550:
case SIS_650:
// 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;
}
}
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");
/* TW: Mode numbers for 1280x960 are different for 300 and 310/325 series */
if(sisvga_engine == SIS_300_VGA) {
sisbios_mode[MODEINDEX_1280x960].mode_no = 0x6e;
sisbios_mode[MODEINDEX_1280x960+1].mode_no = 0x6f;
sisbios_mode[MODEINDEX_1280x960+2].mode_no = 0x7b;
sisbios_mode[MODEINDEX_1280x960+3].mode_no = 0x7b;
}
sishw_ext.pSR = vmalloc(sizeof(SIS_DSReg) * SR_BUFFER_SIZE);
if (sishw_ext.pSR == NULL) {
printk(KERN_INFO "sisfb: Fatal error: Allocating SRReg space failed.\n");
return -ENODEV;
}
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_INFO "sisfb: Fatal error: Allocating CRReg space failed.\n");
return -ENODEV;
}
sishw_ext.pCR[0].jIdx = sishw_ext.pCR[0].jVal = 0xFF;
#ifdef CONFIG_FB_SIS_300
if (sisvga_engine == SIS_300_VGA) {
if (!sisvga_enabled) {
sishw_ext.pjVideoMemoryAddress
= ioremap(ivideo.video_base, 0x2000000);
if ((sisbios_mode[sisfb_mode_idx].mode_no) != 0xFF) { /* TW: for mode "none" */
SiSInit(&sishw_ext);
vgawb(SEQ_ADR, IND_SIS_PASSWORD);
vgawb(SEQ_DATA, SIS_PASSWORD);
}
}
#ifdef LINUXBIOS
else {
sishw_ext.pjVideoMemoryAddress
= ioremap(ivideo.video_base, 0x2000000);
if ((sisbios_mode[sisfb_mode_idx].mode_no) != 0xFF) { /* TW: for mode "none" */
SiSInit(&sishw_ext);
vgawb(SEQ_ADR, IND_SIS_PASSWORD);
vgawb(SEQ_DATA, SIS_PASSWORD);
}
}
if ((sisbios_mode[sisfb_mode_idx].mode_no) != 0xFF) { /* TW: for mode "none" */
vgawb(SEQ_ADR, 0x7);
reg = vgarb(SEQ_DATA);
reg |= 0x10;
vgawb(SEQ_DATA, reg);
}
#endif
if (sisfb_get_dram_size_300()) {
printk(KERN_INFO "sisfb: Fatal error: Unable to determine RAM size\n");
return -ENODEV;
}
}
#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);
if ((sisbios_mode[sisfb_mode_idx].mode_no) != 0xFF) { /* TW: for mode "none" */
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;
}
}
#ifdef LINUXBIOS
else {
sishw_ext.pjVideoMemoryAddress
= ioremap(ivideo.video_base, 0x8000000);
if ((sisbios_mode[sisfb_mode_idx].mode_no) != 0xFF) { /* TW: for mode "none" */
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
if (sisfb_get_dram_size_315()) {
printk(KERN_INFO "sisfb: Fatal error: Unable to determine RAM size.\n");
return -ENODEV;
}
}
#endif
if ((sisbios_mode[sisfb_mode_idx].mode_no) != 0xFF) { /* TW: for mode "none" */
vgawb(SEQ_ADR, IND_SIS_PCI_ADDRESS_SET);
reg = vgarb(SEQ_DATA);
reg |= SIS_PCI_ADDR_ENABLE; /* Enable PCI_LINEAR_ADDRESSING */
reg |= SIS_MEM_MAP_IO_ENABLE; /* Enable MMIO_ENABLE */
vgawb(SEQ_DATA, reg);
vgawb(SEQ_ADR, IND_SIS_MODULE_ENABLE);
reg = vgarb(SEQ_DATA);
reg |= SIS_ENABLE_2D; /* Enable 2D accelerator engine */
vgawb(SEQ_DATA, reg);
}
sishw_ext.ulVideoMemorySize = ivideo.video_size;
if(sisfb_pdc) {
sishw_ext.pdc = sisfb_pdc;
} else {
sishw_ext.pdc = 0;
}
if (!request_mem_region(ivideo.video_base, ivideo.video_size, "sisfb FB")) {
printk(KERN_ERR "sisfb: Fatal error: Unable to reserve frame buffer memory\n");
printk(KERN_ERR "sisfb: Is there another framebuffer driver active?\n");
return -ENODEV;
}
if (!request_mem_region(ivideo.mmio_base, sisfb_mmio_size, "sisfb MMIO")) {
printk(KERN_ERR "sisfb: Fatal error: Unable to reserve MMIO region\n");
release_mem_region(ivideo.video_base, ivideo.video_size);
return -ENODEV;
}
sishw_ext.pjVideoMemoryAddress = ivideo.video_vbase
= ioremap(ivideo.video_base, ivideo.video_size);
ivideo.mmio_vbase = ioremap(ivideo.mmio_base, sisfb_mmio_size);
printk(KERN_INFO
"sisfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
ivideo.video_base, ivideo.video_vbase,
ivideo.video_size / 1024);
printk(KERN_INFO
"sisfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
ivideo.mmio_base, ivideo.mmio_vbase,
sisfb_mmio_size / 1024);
if ((sisbios_mode[sisfb_mode_idx].mode_no) != 0xFF) { /* TW: for mode "none" */
#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
sishw_ext.ujVBChipID = VB_CHIP_UNKNOWN;
sishw_ext.usExternalChip = 0;
switch (ivideo.hasVB) {
case HASVB_301:
vgawb(VB_PART4_ADR,0x01);
reg = vgarb(VB_PART4_DATA);
if (reg >= 0xD0) {
sishw_ext.ujVBChipID = VB_CHIP_301LV;
printk(KERN_INFO "sisfb: SiS301LV bridge detected (revision 0x%02x)\n",reg);
} else if (reg >= 0xB0) {
sishw_ext.ujVBChipID = VB_CHIP_301B;
printk(KERN_INFO "sisfb: SiS301B bridge detected (revision 0x%02x\n",reg);
} else {
sishw_ext.ujVBChipID = VB_CHIP_301;
printk(KERN_INFO "sisfb: SiS301 bridge detected\n");
}
break;
case HASVB_302:
vgawb(VB_PART4_ADR,0x01);
reg = vgarb(VB_PART4_DATA);
if (reg >= 0xD0) {
sishw_ext.ujVBChipID = VB_CHIP_302LV;
printk(KERN_INFO "sisfb: SiS302LV bridge detected (revision 0x%02x)\n",reg);
} else if (reg >= 0xB0) {
sishw_ext.ujVBChipID = VB_CHIP_302B;
printk(KERN_INFO "sisfb: SiS302B bridge detected (revision 0x%02x)\n",reg);
} else {
sishw_ext.ujVBChipID = VB_CHIP_302;
printk(KERN_INFO "sisfb: SiS302 bridge detected\n");
}
break;
case HASVB_303:
sishw_ext.ujVBChipID = VB_CHIP_303;
printk(KERN_INFO "sisfb: SiS303 bridge detected (not supported)\n");
break;
case HASVB_LVDS:
sishw_ext.usExternalChip = 0x1;
printk(KERN_INFO "sisfb: LVDS transmitter detected\n");
break;
case HASVB_TRUMPION:
sishw_ext.usExternalChip = 0x2;
printk(KERN_INFO "sisfb: Trumpion Zurac LVDS scaler detected\n");
break;
case HASVB_CHRONTEL:
sishw_ext.usExternalChip = 0x4;
printk(KERN_INFO "sisfb: Chrontel TV encoder detected\n");
break;
case HASVB_LVDS_CHRONTEL:
sishw_ext.usExternalChip = 0x5;
printk(KERN_INFO "sisfb: LVDS transmitter and Chrontel TV encoder detected\n");
break;
default:
printk(KERN_INFO "sisfb: No or unknown bridge type detected\n");
break;
}
/* TW: Determine and detect attached TV's on Chrontel */
if (sishw_ext.usExternalChip == 0x04 || sishw_ext.usExternalChip == 0x05) {
SiSRegInit(sishw_ext.ulIOAddress);
if(ivideo.chip < SIS_315H) { /* TW: Chrontel 7005 */
#ifdef CONFIG_FB_SIS_300
SiS_IF_DEF_CH70xx = 1;
temp1=SiS_GetCH700x(0x25);
if ((temp1 >= 50) && (temp1 <= 100)) {
/* TW: Read power status */
temp1 = SiS_GetCH700x(0x0e);
if ((temp1&0x03)!=0x03) {
/* TW: Power all outputs */
SiS_SetCH70xxANDOR(0x030E,0xF8);
}
/* TW: Sense connected TV devices */
SiS_SetCH700x(0x0110);
SiS_SetCH700x(0x0010);
temp1 = SiS_GetCH700x(0x10);
if (!(temp1 & 0x08)) {
/* TW: So we can be sure that there IS a SVHS output */
printk(KERN_INFO
"sisfb: Chrontel: Detected TV connected to SVHS output\n");
ivideo.TV_plug = TVPLUG_SVIDEO;
vgawb(CRTC_ADR, 0x32);
temp2 = vgarb(CRTC_DATA) | 0x02;
vgawb(CRTC_DATA, temp2);
} else if (!(temp1 & 0x02)) {
/* TW: So we can be sure that there IS a CVBS output */
printk(KERN_INFO
"sisfb: Chrontel: Detected TV connected to CVBS output\n");
ivideo.TV_plug = TVPLUG_COMPOSITE;
vgawb(CRTC_ADR, 0x32);
temp2 = vgarb(CRTC_DATA) | 0x01;
vgawb(CRTC_DATA, temp2);
} else {
SiS_SetCH70xxANDOR(0x010E,0xF8);
}
} else if (temp1==0) {
SiS_SetCH70xxANDOR(0x010E,0xF8);
}
#endif
} else { /* TW: Chrontel 7019 */
#ifdef CONFIG_FB_SIS_315
SiS_IF_DEF_CH70xx = 2;
temp1 = SiS_GetCH701x(0x49);
SiS_SetCH701x(0x2049);
SiS_DDC2Delay(0x96);
temp2 = SiS_GetCH701x(0x20);
temp2 |= 0x01;
SiS_SetCH701x((temp2 << 8) | 0x20);
SiS_DDC2Delay(0x96);
temp2 ^= 0x01;
SiS_SetCH701x((temp2 << 8) | 0x20);
SiS_DDC2Delay(0x96);
temp2 = SiS_GetCH701x(0x20);
SiS_SetCH701x((temp1 << 8) | 0x49);
temp1 = 0;
if(temp2 & 0x02) temp1 |= 0x01;
if(temp2 & 0x10) temp1 |= 0x01;
if(temp2 & 0x04) temp1 |= 0x02;
if( (temp1 & 0x01) && (temp1 & 0x02) ) temp1 = 0x04;
switch(temp1) {
case 0x01:
printk(KERN_INFO
"sisfb: Chrontel: Detected TV connected to CVBS output\n");
ivideo.TV_plug = TVPLUG_COMPOSITE;
vgawb(CRTC_ADR, 0x32);
temp2 = vgarb(CRTC_DATA) | 0x01;
vgawb(CRTC_DATA, temp2);
break;
case 0x02:
printk(KERN_INFO
"sisfb: Chrontel: Detected TV connected to SVHS output\n");
ivideo.TV_plug = TVPLUG_SVIDEO;
vgawb(CRTC_ADR, 0x32);
temp2 = vgarb(CRTC_DATA) | 0x02;
vgawb(CRTC_DATA, temp2);
break;
case 0x04:
/* TW: This should not happen */
printk(KERN_INFO
"sisfb: Chrontel: Detected TV connected to SCART output!?\n");
break;
}
#endif
}
}
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) {
if (!enable_dstn) {
vgawb(CRTC_ADR, IND_SIS_LCD_PANEL);
reg = vgarb(CRTC_DATA) & 0x0f;
if (sisvga_engine == SIS_300_VGA) {
sishw_ext.ulCRT2LCDType = sis300paneltype[reg];
} else {
sishw_ext.ulCRT2LCDType = sis310paneltype[reg];
}
} else {
/* TW: FSTN/DSTN */
sishw_ext.ulCRT2LCDType = LCD_320x480;
}
}
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 (%dHz), linelength=%d\n",
ivideo.video_width, ivideo.video_height, ivideo.video_bpp,
ivideo.refresh_rate, video_linelength);
// Eden Chen
// Check interface correction For Debug
DPRINTK("VM Adr=0x%p\n", sishw_ext.pjVideoMemoryAddress);
DPRINTK("VM Size=%ldK\n", sishw_ext.ulVideoMemorySize/1024);
DPRINTK("IO Adr=0x%lx\n", sishw_ext.ulIOAddress);
DPRINTK("Chip=%d\n", sishw_ext.jChipType);
DPRINTK("ChipRevision=%d\n", sishw_ext.jChipRevision);
DPRINTK("VBChip=%d\n", sishw_ext.ujVBChipID);
DPRINTK("ExtVB=%d\n", sishw_ext.usExternalChip);
DPRINTK("LCD=%ld\n", sishw_ext.ulCRT2LCDType);
DPRINTK("bIntegratedMMEnabled=%d\n", sishw_ext.bIntegratedMMEnabled);
// ~Eden Chen
sisfb_pre_setmode();
if (SiSSetMode(&sishw_ext, sisfb_mode_no) == 0) {
printk("sisfb: Setting mode[0x%x] failed, using default mode\n", sisfb_mode_no);
return -1;
}
vgawb(SEQ_ADR, IND_SIS_PASSWORD);
vgawb(SEQ_DATA, SIS_PASSWORD);
sisfb_post_setmode();
sisfb_crtc_to_var(&default_var);
fb_info.changevar = NULL;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
fb_info.node = -1;
#else
fb_info.node = NODEV;
#endif
fb_info.fbops = &sisfb_ops;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,23)
fb_info.screen_base = ivideo.video_vbase;
fb_info.currcon = -1;
#endif
fb_info.disp = &disp;
fb_info.switch_con = &sisfb_switch;
fb_info.updatevar = &sisfb_update_var;
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,23)
fb_info.blank = &sisfb_blank;
#endif
fb_info.flags = FBINFO_FLAG_DEFAULT;
sisfb_set_disp(-1, &default_var);
} /* TW: if mode = "none" */
if (sisfb_heap_init()) {
printk("sisfb: Failed to initialize offscreen memory heap\n");
}
ivideo.mtrr = (unsigned int) 0;
if ((sisbios_mode[sisfb_mode_idx].mode_no) != 0xFF) { /* TW: for mode "none" */
/*H.C.*/
ivideo.mtrr = mtrr_add((unsigned int) ivideo.video_base,
(unsigned int) ivideo.video_size,
MTRR_TYPE_WRCOMB, 1);
/*
if (ivideo.mtrr >= 0) {
printk(KERN_INFO "Succeed to turn on Write-Combining on VideoMemory %08XH, Size: %08XH\n",
ivideo.video_base, ivideo.video_size);
} else {
printk(KERN_INFO "Fail to turn on Write-Combining on Video Memory 0x%08X, Size: 0x%08X\n",
ivideo.video_base, ivideo.video_size);
}
*/
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.%02d\n",
minor(fb_info.node), fb_info.modename, VER_MAJOR, VER_MINOR,
VER_LEVEL);
printk(KERN_INFO "sisfb: Added SISFB_GET_INFO ioctl = %x\n", SISFB_GET_INFO);
} /* TW: if mode = "none" */
return 0;
}
Generated by GNU enscript 1.6.4.