mirror of
https://github.com/genesi/linux-legacy.git
synced 2026-09-18 04:34:25 +00:00
efikamx: remove redundant crap from display platform file
This commit is contained in:
Matt Sealey
@@ -98,239 +98,6 @@ static struct mxc_vpu_platform_data mxc_vpu_data = {
|
||||
.reset = mx5_vpu_reset,
|
||||
};
|
||||
|
||||
|
||||
int mxcfb_read_edid2(struct i2c_adapter *adp, char *edid, u16 len, struct fb_var_screeninfo *einfo, int *dvi)
|
||||
{
|
||||
int i;
|
||||
u8 buf0[2] = {0, 0};
|
||||
int dat = 0;
|
||||
u16 addr = 0x50;
|
||||
struct i2c_msg msg[2] = {
|
||||
{
|
||||
.addr = addr,
|
||||
.flags = 0,
|
||||
.len = 1,
|
||||
.buf = buf0,
|
||||
}, {
|
||||
.addr = addr,
|
||||
.flags = I2C_M_RD,
|
||||
.len = 128,
|
||||
.buf = edid,
|
||||
},
|
||||
};
|
||||
|
||||
printk("%s \n", __func__ );
|
||||
|
||||
if (adp == NULL || einfo == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
buf0[0] = 0x00;
|
||||
memset(edid, 0, len);
|
||||
memset(einfo, 0, sizeof(struct fb_var_screeninfo));
|
||||
msg[1].len = len;
|
||||
dat = i2c_transfer(adp, msg, 2);
|
||||
|
||||
/* If 0x50 fails, try 0x37. */
|
||||
if (edid[1] == 0x00) {
|
||||
msg[0].addr = msg[1].addr = 0x37;
|
||||
dat = i2c_transfer(adp, msg, 2);
|
||||
}
|
||||
|
||||
if (edid[1] == 0x00)
|
||||
return -ENOENT;
|
||||
|
||||
*dvi = 0;
|
||||
if ((edid[20] == 0x80) || (edid[20] == 0x88) || (edid[20] == 0))
|
||||
*dvi = 1;
|
||||
|
||||
dat = fb_parse_edid(edid, einfo);
|
||||
if (dat)
|
||||
return -dat;
|
||||
|
||||
/* This is valid for version 1.3 of the EDID */
|
||||
if ((edid[18] == 1) && (edid[19] == 3)) {
|
||||
einfo->height = edid[21] * 10;
|
||||
einfo->width = edid[22] * 10;
|
||||
}
|
||||
|
||||
for(i=0; i< len; i+=32) {
|
||||
int j=0;
|
||||
|
||||
for(j=0; j<32; j++) {
|
||||
printk("%02x", edid[i+j] );
|
||||
}
|
||||
printk("\n");
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int mxcfb_dump_mode( const char *func_char, const struct fb_videomode *mode)
|
||||
{
|
||||
if ( mode == NULL )
|
||||
return -1;
|
||||
|
||||
printk(KERN_INFO "%s geometry %u %u %u\n",
|
||||
func_char, mode->xres, mode->yres, mode->pixclock);
|
||||
printk(KERN_INFO "%s timings %u %u %u %u %u %u %u\n",
|
||||
func_char, mode->pixclock, mode->left_margin, mode->right_margin,
|
||||
mode->upper_margin, mode->lower_margin, mode->hsync_len, mode->vsync_len );
|
||||
printk(KERN_INFO "%s flag %u sync %u vmode %u %s\n",
|
||||
func_char, mode->flag, mode->sync, mode->vmode, mode->flag & FB_MODE_IS_FIRST ? "preferred" : "" );
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
void mxcfb_videomode_to_modelist(const struct fb_info *info, const struct fb_videomode *modedb, int num,
|
||||
struct list_head *head)
|
||||
{
|
||||
int i, del = 0;
|
||||
INIT_LIST_HEAD(head);
|
||||
|
||||
for (i = 0; i < num; i++) {
|
||||
struct list_head *pos, *n;
|
||||
struct fb_modelist *modelist;
|
||||
|
||||
del = 0;
|
||||
|
||||
if ( modedb[i].pixclock < PIXCLK_LIMIT ) {
|
||||
printk(KERN_INFO "%ux%u%s%u pclk=%u removed (exceed limit)\n",
|
||||
modedb[i].xres, modedb[i].yres,
|
||||
(modedb[i].vmode & FB_VMODE_INTERLACED ) ? "i@" : "@",
|
||||
modedb[i].refresh,
|
||||
modedb[i].pixclock );
|
||||
continue;
|
||||
} else if ( (modedb[i].vmode & FB_VMODE_INTERLACED) ) {
|
||||
printk(KERN_INFO "%ux%u%s%u pclk=%u removed (interlaced)\n",
|
||||
modedb[i].xres, modedb[i].yres,
|
||||
(modedb[i].vmode & FB_VMODE_INTERLACED ) ? "i@" : "@",
|
||||
modedb[i].refresh,
|
||||
modedb[i].pixclock );
|
||||
continue;
|
||||
}
|
||||
|
||||
list_for_each_safe(pos, n, head) {
|
||||
modelist = list_entry(pos, struct fb_modelist, list);
|
||||
|
||||
if ( res_matches_refresh(modelist->mode,
|
||||
modedb[i].xres, modedb[i].yres, modedb[i].refresh) ) {
|
||||
|
||||
/* if candidate is a detail timing, delete existing one in modelist !
|
||||
* note: some TV has 1280x720@60 in standard timings but also has 1280x720 in detail timing block
|
||||
* in this case, use detail timing !
|
||||
*/
|
||||
if ( modedb[i].flag & FB_MODE_IS_DETAILED ) {
|
||||
|
||||
printk(KERN_INFO "%ux%u%s%u pclk=%u removed (duplicate)\n",
|
||||
modelist->mode.xres, modelist->mode.yres,
|
||||
(modelist->mode.vmode & FB_VMODE_INTERLACED ) ? "i@" : "@",
|
||||
modelist->mode.refresh,
|
||||
modelist->mode.pixclock );
|
||||
list_del(pos);
|
||||
kfree(pos);
|
||||
del = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ( del == 0 )
|
||||
fb_add_videomode(&modedb[i], head);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void mxcfb_sanitize_modelist(const struct fb_info *info, const struct fb_videomode *modedb, int num,
|
||||
struct list_head *head)
|
||||
{
|
||||
struct fb_videomode *pmode;
|
||||
int i;
|
||||
|
||||
pmode = (struct fb_videomode *) fb_find_best_display(&info->monspecs, head);
|
||||
if (pmode)
|
||||
{
|
||||
//fb_dump_mode("PREFERRED", pmode);
|
||||
memcpy((void *) &preferred_mode, (const void *) pmode, sizeof(struct fb_videomode));
|
||||
}
|
||||
|
||||
for (i = 0; i < num; i++) {
|
||||
|
||||
struct list_head *pos, *n;
|
||||
struct fb_modelist *modelist;
|
||||
|
||||
list_for_each_safe(pos, n, head) {
|
||||
modelist = list_entry(pos, struct fb_modelist, list);
|
||||
BUG_ON(modelist->mode.pixclock == 0);
|
||||
if (modelist->mode.pixclock == 0) {
|
||||
printk(KERN_ERR "skipping mode %ux%u due to bad pclk",
|
||||
modelist->mode.xres, modelist->mode.yres);
|
||||
continue;
|
||||
}
|
||||
if (PICOS2KHZ(modelist->mode.pixclock) > 133000 ) {
|
||||
printk(KERN_INFO "%ux%u%s%u pclk=%u removed (pixclk higher than %lu limit)\n",
|
||||
modelist->mode.xres, modelist->mode.yres,
|
||||
(modelist->mode.vmode & FB_VMODE_INTERLACED ) ? "i@" : "@",
|
||||
modelist->mode.refresh,
|
||||
modelist->mode.pixclock, KHZ2PICOS(133000) );
|
||||
|
||||
if (0 == memcmp((void *) &preferred_mode, (void *) &modelist->mode, sizeof(struct fb_videomode)))
|
||||
{
|
||||
printk(KERN_INFO "uh-oh! deleted preferred mode!\n");
|
||||
}
|
||||
list_del(pos);
|
||||
kfree(pos);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
int mxcfb_handle_edid2(struct i2c_adapter *adp, char *buffer, u16 len)
|
||||
{
|
||||
int err = 0;
|
||||
int dvi = 0;
|
||||
struct fb_var_screeninfo screeninfo;
|
||||
|
||||
memset(&screeninfo, 0, sizeof(screeninfo));
|
||||
|
||||
err = mxcfb_read_edid2(adp, buffer, len, &screeninfo, &dvi);
|
||||
|
||||
if ( err )
|
||||
printk("read_edid error!\n");
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
void mxcfb_update_default_var(struct fb_var_screeninfo *var,
|
||||
struct fb_info *info,
|
||||
const struct fb_videomode *def_mode )
|
||||
{
|
||||
struct fb_monspecs *specs = &info->monspecs;
|
||||
const struct fb_videomode *mode = NULL;
|
||||
struct fb_var_screeninfo var_tmp;
|
||||
|
||||
printk(KERN_INFO "%s fb_mode_option = \"%s\"\n", __func__ , fb_mode_option );
|
||||
|
||||
if ( specs->modedb ) {
|
||||
|
||||
fb_videomode_to_var( &var_tmp, def_mode);
|
||||
mode = fb_find_nearest_mode( def_mode, &info->modelist );
|
||||
|
||||
if ( mode ) {
|
||||
fb_videomode_to_var(var, mode);
|
||||
printk(KERN_INFO "%ux%u@%u pclk=%u nearest mode is %ux%u@%u pclk=%u\n",
|
||||
def_mode->xres, def_mode->yres, def_mode->refresh, def_mode->pixclock,
|
||||
mode->xres, mode->yres, mode->refresh, mode->pixclock );
|
||||
mxcfb_dump_mode( "nearest mode", mode);
|
||||
}
|
||||
}
|
||||
|
||||
if ( mode == NULL ) { /* no best monitor support mode timing found, use def_video_mode timing ! */
|
||||
fb_videomode_to_var(var, def_mode);
|
||||
}
|
||||
}
|
||||
|
||||
void __init mx51_efikamx_init_display(void)
|
||||
{
|
||||
CONFIG_IOMUX(mx51_efikamx_display_iomux_pins);
|
||||
|
||||
Reference in New Issue
Block a user