forked from KolibriOS/kolibrios
205 lines
4.3 KiB
C
205 lines
4.3 KiB
C
#include "drmP.h"
|
|
#include "drm.h"
|
|
#include "i915_drm.h"
|
|
#include "i915_drv.h"
|
|
#include "intel_drv.h"
|
|
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/mod_devicetable.h>
|
|
#include <errno-base.h>
|
|
#include <linux/pci.h>
|
|
#include <syscall.h>
|
|
|
|
#include "bitmap.h"
|
|
|
|
void parse_cmdline(char *cmdline, char *log);
|
|
int _stdcall display_handler(ioctl_t *io);
|
|
int init_agp(void);
|
|
|
|
int create_video(int width, int height, u32_t *outp);
|
|
int video_blit(uint64_t src_offset, int x, int y,
|
|
int w, int h, int pitch);
|
|
|
|
static char log[256];
|
|
|
|
int i915_modeset = 1;
|
|
|
|
u32_t drvEntry(int action, char *cmdline)
|
|
{
|
|
struct pci_device_id *ent;
|
|
|
|
int err = 0;
|
|
|
|
if(action != 1)
|
|
return 0;
|
|
|
|
if( GetService("DISPLAY") != 0 )
|
|
return 0;
|
|
|
|
if( cmdline && *cmdline )
|
|
parse_cmdline(cmdline, log);
|
|
|
|
if(!dbg_open(log))
|
|
{
|
|
strcpy(log, "/RD/1/DRIVERS/i915.log");
|
|
|
|
if(!dbg_open(log))
|
|
{
|
|
printf("Can't open %s\nExit\n", log);
|
|
return 0;
|
|
};
|
|
}
|
|
dbgprintf("i915 blitter preview\n cmdline: %s\n", cmdline);
|
|
|
|
enum_pci_devices();
|
|
|
|
err = i915_init();
|
|
|
|
if(err)
|
|
{
|
|
dbgprintf("Epic Fail :(/n");
|
|
|
|
};
|
|
|
|
err = RegService("DISPLAY", display_handler);
|
|
|
|
if( err != 0)
|
|
dbgprintf("Set DISPLAY handler\n");
|
|
|
|
return err;
|
|
};
|
|
|
|
#define API_VERSION 0x01000100
|
|
|
|
#define SRV_GETVERSION 0
|
|
#define SRV_ENUM_MODES 1
|
|
#define SRV_SET_MODE 2
|
|
|
|
#define SRV_CREATE_BITMAP 10
|
|
|
|
#define SRV_BLIT_VIDEO 20
|
|
|
|
#define check_input(size) \
|
|
if( unlikely((inp==NULL)||(io->inp_size != (size))) ) \
|
|
break;
|
|
|
|
#define check_output(size) \
|
|
if( unlikely((outp==NULL)||(io->out_size != (size))) ) \
|
|
break;
|
|
|
|
int _stdcall display_handler(ioctl_t *io)
|
|
{
|
|
int retval = -1;
|
|
u32_t *inp;
|
|
u32_t *outp;
|
|
|
|
inp = io->input;
|
|
outp = io->output;
|
|
|
|
switch(io->io_code)
|
|
{
|
|
case SRV_GETVERSION:
|
|
check_output(4);
|
|
*outp = API_VERSION;
|
|
retval = 0;
|
|
break;
|
|
|
|
case SRV_ENUM_MODES:
|
|
dbgprintf("SRV_ENUM_MODES inp %x inp_size %x out_size %x\n",
|
|
inp, io->inp_size, io->out_size );
|
|
check_output(4);
|
|
// check_input(*outp * sizeof(videomode_t));
|
|
if( i915_modeset)
|
|
retval = get_videomodes((videomode_t*)inp, outp);
|
|
break;
|
|
|
|
case SRV_SET_MODE:
|
|
dbgprintf("SRV_SET_MODE inp %x inp_size %x\n",
|
|
inp, io->inp_size);
|
|
check_input(sizeof(videomode_t));
|
|
if( i915_modeset )
|
|
retval = set_user_mode((videomode_t*)inp);
|
|
break;
|
|
|
|
case SRV_CREATE_BITMAP:
|
|
check_input(5);
|
|
retval = create_bitmap((struct ubitmap*)inp);
|
|
break;
|
|
|
|
|
|
case SRV_BLIT_VIDEO:
|
|
blit_video( inp[0], inp[1], inp[2],
|
|
inp[3], inp[4], inp[5], inp[6]);
|
|
|
|
retval = 0;
|
|
break;
|
|
};
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
#define PCI_CLASS_REVISION 0x08
|
|
#define PCI_CLASS_DISPLAY_VGA 0x0300
|
|
#define PCI_CLASS_BRIDGE_HOST 0x0600
|
|
#define PCI_CLASS_BRIDGE_ISA 0x0601
|
|
|
|
int pci_scan_filter(u32_t id, u32_t busnr, u32_t devfn)
|
|
{
|
|
u16_t vendor, device;
|
|
u32_t class;
|
|
int ret = 0;
|
|
|
|
vendor = id & 0xffff;
|
|
device = (id >> 16) & 0xffff;
|
|
|
|
if(vendor == 0x8086)
|
|
{
|
|
class = PciRead32(busnr, devfn, PCI_CLASS_REVISION);
|
|
class >>= 16;
|
|
|
|
if( (class == PCI_CLASS_DISPLAY_VGA) ||
|
|
(class == PCI_CLASS_BRIDGE_HOST) ||
|
|
(class == PCI_CLASS_BRIDGE_ISA))
|
|
ret = 1;
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
|
|
static char* parse_path(char *p, char *log)
|
|
{
|
|
char c;
|
|
|
|
while( (c = *p++) == ' ');
|
|
p--;
|
|
while( (c = *log++ = *p++) && (c != ' '));
|
|
*log = 0;
|
|
|
|
return p;
|
|
};
|
|
|
|
void parse_cmdline(char *cmdline, char *log)
|
|
{
|
|
char *p = cmdline;
|
|
|
|
char c = *p++;
|
|
|
|
while( c )
|
|
{
|
|
if( c == '-')
|
|
{
|
|
switch(*p++)
|
|
{
|
|
case 'l':
|
|
p = parse_path(p, log);
|
|
break;
|
|
};
|
|
};
|
|
c = *p++;
|
|
};
|
|
};
|
|
|