forked from KolibriOS/kolibrios
305 lines
6.9 KiB
C
305 lines
6.9 KiB
C
#include <drm/drmP.h>
|
|
#include <drm.h>
|
|
#include <drm/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"
|
|
|
|
extern struct drm_device *main_device;
|
|
|
|
void cpu_detect();
|
|
|
|
void parse_cmdline(char *cmdline, char *log);
|
|
int _stdcall display_handler(ioctl_t *io);
|
|
int init_agp(void);
|
|
|
|
int srv_blit_bitmap(u32 hbitmap, int dst_x, int dst_y,
|
|
int src_x, int src_y, u32 w, u32 h);
|
|
|
|
int blit_textured(u32 hbitmap, int dst_x, int dst_y,
|
|
int src_x, int src_y, u32 w, u32 h);
|
|
|
|
int blit_tex(u32 hbitmap, int dst_x, int dst_y,
|
|
int src_x, int src_y, u32 w, u32 h);
|
|
|
|
static char log[256];
|
|
|
|
int x86_clflush_size;
|
|
|
|
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, "/tmp1/1/i915.log");
|
|
strcpy(log, "/RD/1/DRIVERS/i915.log");
|
|
|
|
if(!dbg_open(log))
|
|
{
|
|
printf("Can't open %s\nExit\n", log);
|
|
return 0;
|
|
};
|
|
}
|
|
dbgprintf("i915 RC 10\n cmdline: %s\n", cmdline);
|
|
|
|
cpu_detect();
|
|
dbgprintf("\ncache line size %d\n", x86_clflush_size);
|
|
|
|
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 CURRENT_API 0x0200 /* 2.00 */
|
|
#define COMPATIBLE_API 0x0100 /* 1.00 */
|
|
|
|
#define API_VERSION (COMPATIBLE_API << 16) | CURRENT_API
|
|
#define DISPLAY_VERSION API_VERSION
|
|
|
|
|
|
#define SRV_GETVERSION 0
|
|
#define SRV_ENUM_MODES 1
|
|
#define SRV_SET_MODE 2
|
|
#define SRV_GET_CAPS 3
|
|
|
|
#define SRV_CREATE_SURFACE 10
|
|
#define SRV_DESTROY_SURFACE 11
|
|
#define SRV_LOCK_SURFACE 12
|
|
#define SRV_UNLOCK_SURFACE 13
|
|
#define SRV_RESIZE_SURFACE 14
|
|
#define SRV_BLIT_BITMAP 15
|
|
#define SRV_BLIT_TEXTURE 16
|
|
#define SRV_BLIT_VIDEO 17
|
|
|
|
#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 = DISPLAY_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_GET_CAPS:
|
|
retval = get_driver_caps((hwcaps_t*)inp);
|
|
break;
|
|
|
|
case SRV_CREATE_SURFACE:
|
|
// check_input(8);
|
|
// retval = create_surface(main_device, (struct io_call_10*)inp);
|
|
break;
|
|
|
|
case SRV_LOCK_SURFACE:
|
|
// retval = lock_surface((struct io_call_12*)inp);
|
|
break;
|
|
|
|
case SRV_RESIZE_SURFACE:
|
|
// retval = resize_surface((struct io_call_14*)inp);
|
|
break;
|
|
|
|
// case SRV_BLIT_BITMAP:
|
|
// srv_blit_bitmap( inp[0], inp[1], inp[2],
|
|
// inp[3], inp[4], inp[5], inp[6]);
|
|
|
|
// blit_tex( 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++;
|
|
};
|
|
};
|
|
|
|
|
|
static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
|
|
unsigned int *ecx, unsigned int *edx)
|
|
{
|
|
/* ecx is often an input as well as an output. */
|
|
asm volatile("cpuid"
|
|
: "=a" (*eax),
|
|
"=b" (*ebx),
|
|
"=c" (*ecx),
|
|
"=d" (*edx)
|
|
: "0" (*eax), "2" (*ecx)
|
|
: "memory");
|
|
}
|
|
|
|
|
|
|
|
static inline void cpuid(unsigned int op,
|
|
unsigned int *eax, unsigned int *ebx,
|
|
unsigned int *ecx, unsigned int *edx)
|
|
{
|
|
*eax = op;
|
|
*ecx = 0;
|
|
__cpuid(eax, ebx, ecx, edx);
|
|
}
|
|
|
|
void cpu_detect()
|
|
{
|
|
u32 junk, tfms, cap0, misc;
|
|
|
|
cpuid(0x00000001, &tfms, &misc, &junk, &cap0);
|
|
|
|
if (cap0 & (1<<19))
|
|
{
|
|
x86_clflush_size = ((misc >> 8) & 0xff) * 8;
|
|
}
|
|
}
|
|
|
|
|
|
int get_driver_caps(hwcaps_t *caps)
|
|
{
|
|
int ret = 0;
|
|
|
|
switch(caps->idx)
|
|
{
|
|
case 0:
|
|
caps->opt[0] = 0;
|
|
caps->opt[1] = 0;
|
|
break;
|
|
|
|
case 1:
|
|
caps->cap1.max_tex_width = 4096;
|
|
caps->cap1.max_tex_height = 4096;
|
|
break;
|
|
default:
|
|
ret = 1;
|
|
};
|
|
caps->idx = 1;
|
|
return ret;
|
|
}
|
|
|