kolibrios/drivers/video/drm/radeon/main.c

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#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/radeon_drm.h>
#include "radeon_reg.h"
#include "radeon.h"
#include "bitmap.h"
#define DRV_NAME "atikms v4.4"
void __init dmi_scan_machine(void);
#define KMS_DEV_CLOSE 0
#define KMS_DEV_INIT 1
#define KMS_DEV_READY 2
struct drm_device *main_device;
struct drm_file *drm_file_handlers[256];
int oops_in_progress;
videomode_t usermode;
void cpu_detect1();
int _stdcall display_handler(ioctl_t *io);
static char log[256];
unsigned long volatile jiffies;
u64 jiffies_64;
struct workqueue_struct *system_wq;
int driver_wq_state;
int x86_clflush_size;
void ati_driver_thread()
{
struct radeon_device *rdev = NULL;
struct workqueue_struct *cwq = NULL;
// static int dpms = 1;
// static int dpms_lock = 0;
// oskey_t key;
unsigned long irqflags;
int tmp;
printf("%s\n",__FUNCTION__);
while(driver_wq_state == KMS_DEV_INIT)
{
jiffies_64 = GetClockNs() / 10000000;
jiffies = (unsigned long)jiffies_64;
delay(1);
};
rdev = main_device->dev_private;
// cwq = rdev->wq;
asm volatile("int $0x40":"=a"(tmp):"a"(66),"b"(1),"c"(1));
asm volatile("int $0x40":"=a"(tmp):"a"(66),"b"(4),"c"(0x46),"d"(0x330));
asm volatile("int $0x40":"=a"(tmp):"a"(66),"b"(4),"c"(0xC6),"d"(0x330));
while(driver_wq_state != KMS_DEV_CLOSE)
{
jiffies = GetTimerTicks();
#if 0
key = get_key();
if( (key.val != 1) && (key.state == 0x02))
{
if(key.code == 0x46 && dpms_lock == 0)
{
dpms_lock = 1;
if(dpms == 1)
{
i915_dpms(main_device, DRM_MODE_DPMS_OFF);
printf("dpms off\n");
}
else
{
i915_dpms(main_device, DRM_MODE_DPMS_ON);
printf("dpms on\n");
};
dpms ^= 1;
}
else if(key.code == 0xC6)
dpms_lock = 0;
};
spin_lock_irqsave(&cwq->lock, irqflags);
while (!list_empty(&cwq->worklist))
{
struct work_struct *work = list_entry(cwq->worklist.next,
struct work_struct, entry);
work_func_t f = work->func;
list_del_init(cwq->worklist.next);
spin_unlock_irqrestore(&cwq->lock, irqflags);
f(work);
spin_lock_irqsave(&cwq->lock, irqflags);
}
spin_unlock_irqrestore(&cwq->lock, irqflags);
#endif
delay(1);
};
asm volatile ("int $0x40"::"a"(-1));
}
u32 __attribute__((externally_visible)) drvEntry(int action, char *cmdline)
{
struct radeon_device *rdev = NULL;
const struct pci_device_id *ent;
int err = 0;
if(action != 1)
{
driver_wq_state = KMS_DEV_CLOSE;
return 0;
};
if( GetService("DISPLAY") != 0 )
return 0;
printf("%s cmdline %s\n",DRV_NAME, cmdline);
if( cmdline && *cmdline )
parse_cmdline(cmdline, &usermode, log, &radeon_modeset);
if( *log && !dbg_open(log))
{
printf("Can't open %s\nExit\n", log);
return 0;
}
else
{
dbgprintf("\nLOG: %s build %s %s\n",DRV_NAME,__DATE__, __TIME__);
}
cpu_detect1();
err = enum_pci_devices();
if( unlikely(err != 0) )
{
dbgprintf("Device enumeration failed\n");
return 0;
}
err = kmap_init();
if( unlikely(err != 0) )
{
dbgprintf("kmap initialization failed\n");
return 0;
}
dmi_scan_machine();
driver_wq_state = KMS_DEV_INIT;
CreateKernelThread(ati_driver_thread);
err = ati_init();
if(unlikely(err!= 0))
{
driver_wq_state = KMS_DEV_CLOSE;
dbgprintf("Epic Fail :(\n");
return 0;
};
driver_wq_state = KMS_DEV_READY;
rdev = main_device->dev_private;
printf("current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
printf("current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
err = RegService("DISPLAY", display_handler);
if( err != 0)
dbgprintf("DISPLAY service installed\n");
return err;
};
#define CURRENT_API 0x0200 /* 2.00 */
#define COMPATIBLE_API 0x0100 /* 1.00 */
#define API_VERSION (COMPATIBLE_API << 16) | CURRENT_API
#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
int r600_video_blit(uint64_t src_offset, int x, int y,
int w, int h, int pitch);
#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 *inp;
u32 *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);
if( radeon_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( radeon_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_drm_device, (struct io_call_10*)inp);
break;
case SRV_LOCK_SURFACE:
retval = lock_surface((struct io_call_12*)inp);
break;
case SRV_BLIT_BITMAP:
srv_blit_bitmap( inp[0], inp[1], inp[2],
inp[3], inp[4], inp[5], inp[6]);
*/
};
return retval;
}
#define PCI_CLASS_REVISION 0x08
#define PCI_CLASS_DISPLAY_VGA 0x0300
int pci_scan_filter(u32 id, u32 busnr, u32 devfn)
{
u16 vendor, device;
u32 class;
int ret = 0;
vendor = id & 0xffff;
device = (id >> 16) & 0xffff;
if(vendor == 0x1002)
{
class = PciRead32(busnr, devfn, PCI_CLASS_REVISION);
class >>= 24;
if( class ==PCI_BASE_CLASS_DISPLAY)
ret = 1;
}
return ret;
}
int seq_printf(struct seq_file *m, const char *f, ...)
{
// int ret;
// va_list args;
// va_start(args, f);
// ret = seq_vprintf(m, f, args);
// va_end(args);
// return ret;
return 0;
}
s64 div64_s64(s64 dividend, s64 divisor)
{
s64 quot, t;
quot = div64_u64(abs(dividend), abs(divisor));
t = (dividend ^ divisor) >> 63;
return (quot ^ t) - t;
}