m2info
struct matroxfb_dh_maven_info* m2info;
m2info = kzalloc_obj(*m2info);
if (!m2info)
err = i2c_bus_reg(&m2info->ddc1, minfo,
err = i2c_bus_reg(&m2info->ddc1, minfo,
err = i2c_bus_reg(&m2info->ddc2, minfo, DDC2_DATA, DDC2_CLK, "DDC:fb%u #1");
err = i2c_bus_reg(&m2info->maven, minfo, MAT_DATA, MAT_CLK, "MAVEN:fb%u");
i2c_new_scanned_device(&m2info->maven.adapter,
return m2info;
kfree(m2info);
struct matroxfb_dh_maven_info* m2info = data;
i2c_maven_done(m2info);
i2c_ddc2_done(m2info);
i2c_ddc1_done(m2info);
kfree(m2info);
u_int32_t linelen = m2info->fbcon.var.xres_virtual * (m2info->fbcon.var.bits_per_pixel >> 3);
m2info->interlaced = 1;
m2info->interlaced = 0;
static void matroxfb_dh_disable(struct matroxfb_dh_fb_info* m2info) {
struct matrox_fb_info *minfo = m2info->primary_dev;
static void matroxfb_dh_pan_var(struct matroxfb_dh_fb_info* m2info,
struct matrox_fb_info *minfo = m2info->primary_dev;
m2info->fbcon.var.xoffset = var->xoffset;
m2info->fbcon.var.yoffset = var->yoffset;
pixelsize = m2info->fbcon.var.bits_per_pixel >> 3;
linelen = m2info->fbcon.var.xres_virtual * pixelsize;
pos = m2info->fbcon.var.yoffset * linelen + m2info->fbcon.var.xoffset * pixelsize;
pos += m2info->video.offbase;
if (m2info->interlaced) {
static int matroxfb_dh_decode_var(struct matroxfb_dh_fb_info* m2info,
vramlen = m2info->video.len_usable;
struct matrox_fb_info *minfo = m2info->primary_dev;
struct matrox_fb_info *minfo = m2info->primary_dev;
static void matroxfb_dh_init_fix(struct matroxfb_dh_fb_info *m2info)
struct fb_fix_screeninfo *fix = &m2info->fbcon.fix;
fix->smem_start = m2info->video.base;
fix->smem_len = m2info->video.len_usable;
fix->mmio_start = m2info->mmio.base;
fix->mmio_len = m2info->mmio.len;
return matroxfb_dh_decode_var(m2info, var, &visual, &cmap_len, &mode);
struct matrox_fb_info *minfo = m2info->primary_dev;
if ((err = matroxfb_dh_decode_var(m2info, var, &visual, &cmap_len, &mode)) != 0)
m2info->fbcon.screen_base = vaddr_va(m2info->video.vbase);
m2info->fbcon.fix.visual = visual;
m2info->fbcon.fix.type = FB_TYPE_PACKED_PIXELS;
m2info->fbcon.fix.type_aux = 0;
m2info->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3;
matroxfb_var2my(&m2info->fbcon.var, &mt);
pos = (m2info->fbcon.var.yoffset * m2info->fbcon.var.xres_virtual + m2info->fbcon.var.xoffset) * m2info->fbcon.var.bits_per_pixel >> 3;
pos += m2info->video.offbase;
matroxfb_dh_restore(m2info, &mt, mode, pos);
matroxfb_dh_disable(m2info);
if (m2info->fbcon.var.grayscale) {
m2info->initialized = 1;
matroxfb_dh_pan_var(m2info, var);
static int matroxfb_dh_get_vblank(const struct matroxfb_dh_fb_info* m2info, struct fb_vblank* vblank) {
struct matrox_fb_info *minfo = m2info->primary_dev;
if (vblank->vcount >= m2info->fbcon.var.yres)
red = CNVT_TOHW(red, m2info->fbcon.var.red.length);
struct matrox_fb_info *minfo = m2info->primary_dev;
green = CNVT_TOHW(green, m2info->fbcon.var.green.length);
err = matroxfb_dh_get_vblank(m2info, &vblank);
blue = CNVT_TOHW(blue, m2info->fbcon.var.blue.length);
transp = CNVT_TOHW(transp, m2info->fbcon.var.transp.length);
col = (red << m2info->fbcon.var.red.offset) |
(green << m2info->fbcon.var.green.offset) |
(blue << m2info->fbcon.var.blue.offset) |
(transp << m2info->fbcon.var.transp.offset);
switch (m2info->fbcon.var.bits_per_pixel) {
m2info->cmap[regno] = col | (col << 16);
m2info->cmap[regno] = col;
struct matroxfb_dh_fb_info *m2info)
#define minfo (m2info->primary_dev)
m2info->fbcon.fbops = &matroxfb_dh_ops;
m2info->fbcon.flags = FBINFO_HWACCEL_XPAN |
m2info->fbcon.pseudo_palette = m2info->cmap;
fb_alloc_cmap(&m2info->fbcon.cmap, 256, 1);
m2info->video.offbase = minfo->video.len - mem;
m2info->video.borrowed = mem;
m2info->video.offbase = minfo->video.len_usable;
m2info->video.base = minfo->video.base + m2info->video.offbase;
m2info->video.len = m2info->video.len_usable = m2info->video.len_maximum = mem;
m2info->video.vbase.vaddr = vaddr_va(minfo->video.vbase) + m2info->video.offbase;
m2info->mmio.base = minfo->mmio.base;
m2info->mmio.vbase = minfo->mmio.vbase;
m2info->mmio.len = minfo->mmio.len;
matroxfb_dh_init_fix(m2info);
if (register_framebuffer(&m2info->fbcon)) {
if (!m2info->initialized)
fb_set_var(&m2info->fbcon, &matroxfb_dh_defined);
minfo->crtc2.info = m2info;
static void matroxfb_dh_restore(struct matroxfb_dh_fb_info* m2info,
static int matroxfb_dh_registerfb(struct matroxfb_dh_fb_info* m2info) {
#define minfo (m2info->primary_dev)
if (matroxfb_dh_regit(minfo, m2info)) {
minfo->fbcon.node, m2info->fbcon.node);
m2info->fbcon_registered = 1;
static void matroxfb_dh_deregisterfb(struct matroxfb_dh_fb_info* m2info) {
#define minfo (m2info->primary_dev)
if (m2info->fbcon_registered) {
if (crtc2 == m2info)
if (crtc2 != m2info) {
crtc2, m2info);
id = m2info->fbcon.node;
unregister_framebuffer(&m2info->fbcon);
minfo->video.len_usable += m2info->video.borrowed;
m2info->fbcon_registered = 0;
struct matroxfb_dh_fb_info* m2info;
m2info = kzalloc_obj(*m2info);
if (!m2info)
struct matrox_fb_info *minfo = m2info->primary_dev;
m2info->primary_dev = minfo;
if (matroxfb_dh_registerfb(m2info)) {
kfree(m2info);
return m2info;