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authorGravatar eyck <eyck@b3059339-0415-0410-9bf9-f77b7e298cf2>2002-02-16 19:58:39 +0000
committerGravatar eyck <eyck@b3059339-0415-0410-9bf9-f77b7e298cf2>2002-02-16 19:58:39 +0000
commit5979a71903f55446e17b5fe27ca33b3aa0e9476a (patch)
tree345a3833b5c6c69a4663e2d51474eba681e1c0bc
parentb74f43fb50444389cacbbd8ef603f28f7c1330d5 (diff)
Add module parameters: contrast and brightness, so when you need those permanently
adjusted just add lines to /etc/modules or sth. insmod mga_vid.o mga_brightness=100 mga_contrast=-79 git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4729 b3059339-0415-0410-9bf9-f77b7e298cf2
-rw-r--r--drivers/mga_vid.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/mga_vid.c b/drivers/mga_vid.c
index d786861a4c..bae7a464c7 100644
--- a/drivers/mga_vid.c
+++ b/drivers/mga_vid.c
@@ -202,8 +202,6 @@ typedef struct bes_registers_s
//configurable stuff
- int brightness;
- int contrast;
int blackie;
} bes_registers_t;
@@ -248,10 +246,15 @@ static uint32_t mga_ram_size = 0; // how much megabytes videoram we have
static uint32_t mga_top_reserved = 0; // reserved space for console font (matroxfb + fastfont)
+static int mga_brightness = 0; // initial brightness
+static int mga_contrast = 0; // initial contrast
+
//static int mga_force_memsize = 0;
MODULE_PARM(mga_ram_size, "i");
MODULE_PARM(mga_top_reserved, "i");
+MODULE_PARM(mga_brightness, "i");
+MODULE_PARM(mga_contrast, "i");
static struct pci_dev *pci_dev;
@@ -744,9 +747,9 @@ switch(config->format){
regs.besglobctl |= (1<<5) + (1<<7);
// brightness ; default is 0x7f;
- regs.beslumactl = (regs.brightness << 16);
+ regs.beslumactl = (mga_brightness << 16);
// contrast:
- regs.beslumactl|= ((regs.contrast+0x80)<<0);
+ regs.beslumactl|= ((mga_contrast+0x80)<<0);
//Setup destination window boundaries
besleft = x > 0 ? x : 0;
@@ -1368,8 +1371,8 @@ static void mga_param_buff_fill( void )
len += sprintf(&mga_param_buff[len],"MMIO: %p\n",mga_mmio_base);
len += sprintf(&mga_param_buff[len],"Configurable stuff:\n");
len += sprintf(&mga_param_buff[len],"~~~~~~~~~~~~~~~~~~~\n");
- len += sprintf(&mga_param_buff[len],PARAM_BRIGHTNESS"%d\n",regs.brightness);
- len += sprintf(&mga_param_buff[len],PARAM_CONTRAST"%d\n",regs.contrast);
+ len += sprintf(&mga_param_buff[len],PARAM_BRIGHTNESS"%d\n",mga_brightness);
+ len += sprintf(&mga_param_buff[len],PARAM_CONTRAST"%d\n",mga_contrast);
len += sprintf(&mga_param_buff[len],PARAM_BLACKIE"%s\n",regs.blackie?"on":"off");
mga_param_buff_len = len;
// check boundaries of mga_param_buff before writing to it!!!
@@ -1396,7 +1399,7 @@ static ssize_t mga_vid_write(struct file *file, const char *buf, size_t count, l
brightness=simple_strtol(&buf[strlen(PARAM_BRIGHTNESS)],NULL,10);
if (brightness>127 || brightness<-128) { brightness=0;}
// printk(KERN_DEBUG "mga_vid: brightness modified ( %d ) \n",brightness);
- regs.brightness=brightness;
+ mga_brightness=brightness;
} else
if(memcmp(buf,PARAM_CONTRAST,min(count,strlen(PARAM_CONTRAST))) == 0)
{
@@ -1404,7 +1407,7 @@ static ssize_t mga_vid_write(struct file *file, const char *buf, size_t count, l
contrast=simple_strtol(&buf[strlen(PARAM_CONTRAST)],NULL,10);
if (contrast>127 || contrast<-128) { contrast=0;}
// printk(KERN_DEBUG "mga_vid: contrast modified ( %d ) \n",contrast);
- regs.contrast=contrast;
+ mga_contrast=contrast;
} else
if(memcmp(buf,PARAM_BLACKIE,min(count,strlen(PARAM_BLACKIE))) == 0)