config interface changed

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@58 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp 2001-03-08 01:06:59 +00:00
parent 838cf97bcb
commit f981ada8df
3 changed files with 71 additions and 27 deletions

View File

@ -4,7 +4,8 @@ KERNEL_INCLUDES = /usr/src/linux/include
INCLUDES = -I$(KERNEL_INCLUDES)
CFLAGS = -g -O2 -Wall -D__KERNEL__ -DMODULE -include $(KERNEL_INCLUDES)/linux/modversions.h
all: mga_vid.o mga_vid_test sis_vid.o
all: mga_vid.o mga_vid_test
# sis_vid.o
mga_vid.o: mga_vid.c mga_vid.h
$(CC) $(CFLAGS) $(INCLUDES) -c $(basename $@).c

View File

@ -1,4 +1,8 @@
// YUY2 support (see config.format) added by A'rpi/ESP-team
// double buffering added by A'rpi/ESP-team
// Set this value, if autodetection fails! (video ram size in megabytes)
//#define MGA_MEMORY_SIZE 32
/*
*
@ -48,7 +52,7 @@
#define MGA_VID_MAJOR 178
#define MGA_VIDMEM_SIZE mga_ram_size
//#define MGA_VIDMEM_SIZE mga_ram_size
#ifndef PCI_DEVICE_ID_MATROX_G200_PCI
#define PCI_DEVICE_ID_MATROX_G200_PCI 0x0520
@ -139,9 +143,10 @@ static uint32_t vid_overlay_on = 0;
static uint8_t *mga_mmio_base = 0;
static uint32_t mga_mem_base = 0;
static uint32_t mga_src_base = 0;
static uint32_t mga_ram_size = 0;
static int mga_src_base = 0; // YUV buffer position in video memory
static uint32_t mga_ram_size = 0; // how much megabytes videoram we have
static struct pci_dev *pci_dev;
@ -349,7 +354,7 @@ static int mga_vid_set_config(mga_vid_config_t *config)
{
int x, y, sw, sh, dw, dh;
int besleft, bestop, ifactor, ofsleft, ofstop, baseadrofs, weight, weights;
int frame_size;
int frame_size=config->frame_size;
x = config->x_org;
y = config->y_org;
sw = config->src_width;
@ -365,7 +370,7 @@ static int mga_vid_set_config(mga_vid_config_t *config)
//FIXME figure out a better way to allocate memory on card
//allocate 2 megs
//mga_src_base = mga_mem_base + (MGA_VIDMEM_SIZE-2) * 0x100000;
mga_src_base = (MGA_VIDMEM_SIZE-3) * 0x100000;
//mga_src_base = (MGA_VIDMEM_SIZE-3) * 0x100000;
//Setup the BES registers for a three plane 4:2:0 video source
@ -406,6 +411,7 @@ switch(config->format){
regs.besglobctl = 0; // YUY2 format selected
break;
default:
printk("mga_vid: Unsupported pixel format: 0x%X\n",config->format);
return -1;
}
@ -440,12 +446,14 @@ switch(config->format){
regs.besviscal = ifactor<<2;
baseadrofs = ((ofstop*regs.besviscal)>>16)*regs.bespitch;
frame_size = ((sw + 31) & ~31) * sh + (((sw + 31) & ~31) * sh) / 2;
//frame_size = ((sw + 31) & ~31) * sh + (((sw + 31) & ~31) * sh) / 2;
regs.besa1org = (uint32_t) mga_src_base + baseadrofs;
regs.besa2org = (uint32_t) mga_src_base + baseadrofs + 1*frame_size;
regs.besb1org = (uint32_t) mga_src_base + baseadrofs + 2*frame_size;
regs.besb2org = (uint32_t) mga_src_base + baseadrofs + 3*frame_size;
if(config->format==MGA_VID_FORMAT_YV12){
// planar YUV frames:
if (is_g400)
baseadrofs = (((ofstop*regs.besviscal)/4)>>16)*regs.bespitch;
else
@ -459,6 +467,7 @@ switch(config->format){
regs.besa2c3org = regs.besa2corg + ((regs.bespitch * sh) / 4);
regs.besb1c3org = regs.besb1corg + ((regs.bespitch * sh) / 4);
regs.besb2c3org = regs.besb2corg + ((regs.bespitch * sh) / 4);
}
weight = ofstop * (regs.besviscal >> 2);
weights = weight < 0 ? 1 : 0;
@ -577,6 +586,29 @@ static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cm
printk("mga_vid: failed copy from userspace\n");
return(-EFAULT);
}
if(mga_config.version != MGA_VID_VERSION){
printk("mga_vid: incompatible version! driver: %X requested: %X\n",MGA_VID_VERSION,mga_config.version);
return(-EFAULT);
}
if(mga_config.frame_size==0 || mga_config.frame_size>1024*768*2){
printk("mga_vid: illegal frame_size: %d\n",mga_config.frame_size);
return(-EFAULT);
}
if(mga_config.num_frames<1 || mga_config.num_frames>4){
printk("mga_vid: illegal num_frames: %d\n",mga_config.num_frames);
return(-EFAULT);
}
mga_src_base = (mga_ram_size*0x100000-mga_config.num_frames*mga_config.frame_size);
if(mga_src_base<0){
printk("mga_vid: not enough memory for frames!\n");
return(-EFAULT);
}
mga_src_base &= (~0xFFFF); // 64k boundary
printk("mga YUV buffer base: 0x%X\n", mga_src_base);
if (is_g400)
mga_config.card_type = MGA_G400;
else
@ -675,27 +707,33 @@ static int mga_vid_find_card(void)
pci_read_config_dword(dev, 0x40, &card_option);
printk("OPTION word: 0x%08x\n", card_option);
temp = (card_option >> 10) & 0x17;
// temp = (card_option >> 10) & 0x17;
if (is_g400)
{
switch(temp)
{
default:
mga_ram_size = 16;
}
#ifdef MGA_MEMORY_SIZE
mga_ram_size = MGA_MEMORY_SIZE;
printk("mga_vid: hard-coded RAMSIZE is %d MB\n", (unsigned int) mga_ram_size);
#else
if (is_g400){
mga_ram_size = 16;
}else{
mga_ram_size = 8;
}
else
{
// a g200
switch(temp)
{
default:
mga_ram_size = 8;
}
// printk("List resources -----------\n");
for(temp=0;temp<DEVICE_COUNT_RESOURCE;temp++){
struct resource *res=&pci_dev->resource[temp];
if(res->flags){
int size=(1+res->end-res->start)>>20;
printk("res %d: start: 0x%X end: 0x%X (%d MB) flags=0x%X\n",temp,res->start,res->end,size,res->flags);
if(res->flags&(IORESOURCE_MEM|IORESOURCE_PREFETCH)){
if(size>mga_ram_size && size<=64) mga_ram_size=size;
}
}
}
printk("mga_vid: RAMSIZE seems to be %d MB\n", (unsigned int) mga_ram_size);
printk("mga_vid: detected RAMSIZE is %d MB\n", (unsigned int) mga_ram_size);
#endif
if ( mga_irq != -1 ) {
int tmp = request_irq(mga_irq, mga_handle_irq, SA_INTERRUPT | SA_SHIRQ, "Syncfb Time Base", &mga_irq);
@ -729,7 +767,7 @@ static int mga_vid_mmap(struct file *file, struct vm_area_struct *vma)
{
printk("mga_vid: mapping video memory into userspace\n");
if(remap_page_range(vma->vm_start, mga_mem_base + (MGA_VIDMEM_SIZE-3) * 0x100000,
if(remap_page_range(vma->vm_start, mga_mem_base + mga_src_base,
vma->vm_end - vma->vm_start, vma->vm_page_prot))
{
printk("mga_vid: error mapping video memory\n");

View File

@ -19,7 +19,8 @@
typedef struct mga_vid_config_s
{
uint32_t card_type;
uint16_t version;
uint16_t card_type;
uint32_t ram_size;
uint32_t src_width;
uint32_t src_height;
@ -32,6 +33,8 @@ uint8_t colkey_red;
uint8_t colkey_green;
uint8_t colkey_blue;
uint32_t format;
uint32_t frame_size;
uint32_t num_frames;
} mga_vid_config_t;
#define MGA_VID_FORMAT_YV12 0x32315659
@ -45,4 +48,6 @@ uint32_t format;
#define MGA_G200 0x1234
#define MGA_G400 0x5678
#define MGA_VID_VERSION 0x0201
#endif