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ff32f19a91
kolibrios-gitea/drivers/video/drm/i915/main.c
Sergey Semyonov (Serge) ff32f19a91 i915: RC10.5 
git-svn-id: svn://kolibrios.org@3298 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-01 06:45:16 +00:00

424 lines
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C
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#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"
struct pci_device {
uint16_t domain;
uint8_t bus;
uint8_t dev;
uint8_t func;
uint16_t vendor_id;
uint16_t device_id;
uint16_t subvendor_id;
uint16_t subdevice_id;
uint32_t device_class;
uint8_t revision;
};
extern struct drm_device *main_device;
extern struct drm_file *drm_file_handlers[256];
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);
void get_pci_info(struct pci_device *dev);
int gem_getparam(struct drm_device *dev, void *data);
int i915_mask_update(struct drm_device *dev, void *data,
struct drm_file *file);
static char log[256];
int x86_clflush_size;
int i915_modeset = 1;
u32_t drvEntry(int action, char *cmdline)
{
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 10.5\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");
return 0;
};
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 SRV_GET_PCI_INFO 20
#define SRV_GET_PARAM 21
#define SRV_I915_GEM_CREATE 22
#define SRV_DRM_GEM_CLOSE 23
#define SRV_I915_GEM_PIN 24
#define SRV_I915_GEM_SET_CACHEING 25
#define SRV_I915_GEM_GET_APERTURE 26
#define SRV_I915_GEM_PWRITE 27
#define SRV_I915_GEM_BUSY 28
#define SRV_I915_GEM_SET_DOMAIN 29
#define SRV_I915_GEM_MMAP 30
#define SRV_I915_GEM_THROTTLE 32
#define SRV_FBINFO 33
#define SRV_I915_GEM_EXECBUFFER2 34
#define SRV_MASK_UPDATE 35
#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)
{
struct drm_file *file;
int retval = -1;
u32_t *inp;
u32_t *outp;
inp = io->input;
outp = io->output;
file = drm_file_handlers[0];
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]);
break;
case SRV_GET_PCI_INFO:
get_pci_info((struct pci_device *)inp);
retval = 0;
break;
case SRV_GET_PARAM:
retval = gem_getparam(main_device, inp);
break;
case SRV_I915_GEM_CREATE:
retval = i915_gem_create_ioctl(main_device, inp, file);
break;
case SRV_DRM_GEM_CLOSE:
retval = drm_gem_close_ioctl(main_device, inp, file);
break;
case SRV_I915_GEM_PIN:
retval = i915_gem_pin_ioctl(main_device, inp, file);
break;
case SRV_I915_GEM_SET_CACHEING:
retval = i915_gem_set_caching_ioctl(main_device, inp, file);
break;
case SRV_I915_GEM_GET_APERTURE:
retval = i915_gem_get_aperture_ioctl(main_device, inp, file);
break;
case SRV_I915_GEM_PWRITE:
retval = i915_gem_pwrite_ioctl(main_device, inp, file);
break;
case SRV_I915_GEM_BUSY:
retval = i915_gem_busy_ioctl(main_device, inp, file);
break;
case SRV_I915_GEM_SET_DOMAIN:
retval = i915_gem_set_domain_ioctl(main_device, inp, file);
break;
case SRV_I915_GEM_THROTTLE:
retval = i915_gem_throttle_ioctl(main_device, inp, file);
break;
case SRV_I915_GEM_MMAP:
retval = i915_gem_mmap_ioctl(main_device, inp, file);
break;
case SRV_FBINFO:
retval = i915_fbinfo(inp);
break;
case SRV_I915_GEM_EXECBUFFER2:
retval = i915_gem_execbuffer2(main_device, inp, file);
break;
case SRV_MASK_UPDATE:
retval = i915_mask_update(main_device, inp, file);
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;
}
void get_pci_info(struct pci_device *dev)
{
struct pci_dev *pdev = main_device->pdev;
memset(dev, sizeof(*dev), 0);
dev->domain = 0;
dev->bus = pdev->busnr;
dev->dev = pdev->devfn >> 3;
dev->func = pdev->devfn & 7;
dev->vendor_id = pdev->vendor;
dev->device_id = pdev->device;
dev->revision = pdev->revision;
};
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