Subversion Repositories Kolibri OS

Compare Revisions

Regard whitespace Rev 2337 → Rev 2338

/drivers/video/drm/i915/kms_display.c
0,0 → 1,610
#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>
 
typedef struct tag_object kobj_t;
typedef struct tag_display display_t;
 
struct tag_object
{
uint32_t magic;
void *destroy;
kobj_t *fd;
kobj_t *bk;
uint32_t pid;
};
 
typedef struct
{
kobj_t header;
 
uint32_t *data;
uint32_t hot_x;
uint32_t hot_y;
 
struct list_head list;
struct drm_i915_gem_object *cobj;
}cursor_t;
 
#define CURSOR_WIDTH 64
#define CURSOR_HEIGHT 64
 
 
struct tag_display
{
int x;
int y;
int width;
int height;
int bpp;
int vrefresh;
int pitch;
int lfb;
 
int supported_modes;
struct drm_device *ddev;
struct drm_connector *connector;
struct drm_crtc *crtc;
 
struct list_head cursors;
 
cursor_t *cursor;
int (*init_cursor)(cursor_t*);
cursor_t* (__stdcall *select_cursor)(cursor_t*);
void (*show_cursor)(int show);
void (__stdcall *move_cursor)(cursor_t *cursor, int x, int y);
void (__stdcall *restore_cursor)(int x, int y);
void (*disable_mouse)(void);
};
 
 
static display_t *os_display;
 
int init_cursor(cursor_t *cursor);
static cursor_t* __stdcall select_cursor_kms(cursor_t *cursor);
static void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y);
 
void __stdcall restore_cursor(int x, int y)
{};
 
void disable_mouse(void)
{};
 
static int count_connector_modes(struct drm_connector* connector)
{
struct drm_display_mode *mode;
int count = 0;
 
list_for_each_entry(mode, &connector->modes, head)
{
count++;
};
return count;
};
 
int init_display_kms(struct drm_device *dev)
{
struct drm_connector *connector;
struct drm_connector_helper_funcs *connector_funcs;
struct drm_encoder *encoder;
struct drm_crtc *crtc = NULL;
struct drm_framebuffer *fb;
 
cursor_t *cursor;
u32_t ifl;
 
ENTER();
 
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
{
if( connector->status != connector_status_connected)
continue;
 
connector_funcs = connector->helper_private;
encoder = connector_funcs->best_encoder(connector);
if( encoder == NULL)
{
dbgprintf("CONNECTOR %x ID: %d no active encoders\n",
connector, connector->base.id);
continue;
}
connector->encoder = encoder;
 
dbgprintf("CONNECTOR %x ID: %d status %d encoder %x\n crtc %x\n",
connector, connector->base.id,
connector->status, connector->encoder,
encoder->crtc);
 
crtc = encoder->crtc;
break;
};
 
if(connector == NULL)
{
dbgprintf("No active connectors!\n");
return -1;
};
 
if(crtc == NULL)
{
struct drm_crtc *tmp_crtc;
int crtc_mask = 1;
 
list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head)
{
if (encoder->possible_crtcs & crtc_mask)
{
crtc = tmp_crtc;
encoder->crtc = crtc;
break;
};
crtc_mask <<= 1;
};
};
 
if(crtc == NULL)
{
dbgprintf("No CRTC for encoder %d\n", encoder->base.id);
return -1;
};
 
 
DRM_DEBUG_KMS("[Select CRTC:%d]\n", crtc->base.id);
 
os_display = GetDisplay();
 
os_display->ddev = dev;
os_display->connector = connector;
os_display->crtc = crtc;
 
os_display->supported_modes = count_connector_modes(connector);
 
 
ifl = safe_cli();
{
struct intel_crtc *intel_crtc = to_intel_crtc(os_display->crtc);
 
list_for_each_entry(cursor, &os_display->cursors, list)
{
init_cursor(cursor);
};
 
os_display->restore_cursor(0,0);
os_display->init_cursor = init_cursor;
os_display->select_cursor = select_cursor_kms;
os_display->show_cursor = NULL;
os_display->move_cursor = move_cursor_kms;
os_display->restore_cursor = restore_cursor;
os_display->disable_mouse = disable_mouse;
 
intel_crtc->cursor_x = os_display->width/2;
intel_crtc->cursor_y = os_display->height/2;
 
select_cursor_kms(os_display->cursor);
};
safe_sti(ifl);
 
 
LEAVE();
 
return 0;
};
 
 
bool set_mode(struct drm_device *dev, struct drm_connector *connector,
videomode_t *reqmode, bool strict)
{
struct drm_display_mode *mode = NULL, *tmpmode;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_fb_helper *fb_helper = &dev_priv->fbdev->helper;
 
bool ret = false;
 
ENTER();
 
dbgprintf("width %d height %d vrefresh %d\n",
reqmode->width, reqmode->height, reqmode->freq);
 
list_for_each_entry(tmpmode, &connector->modes, head)
{
if( (drm_mode_width(tmpmode) == reqmode->width) &&
(drm_mode_height(tmpmode) == reqmode->height) &&
(drm_mode_vrefresh(tmpmode) == reqmode->freq) )
{
mode = tmpmode;
goto do_set;
}
};
 
if( (mode == NULL) && (strict == false) )
{
list_for_each_entry(tmpmode, &connector->modes, head)
{
if( (drm_mode_width(tmpmode) == reqmode->width) &&
(drm_mode_height(tmpmode) == reqmode->height) )
{
mode = tmpmode;
goto do_set;
}
};
};
 
do_set:
 
if( mode != NULL )
{
struct drm_framebuffer *fb;
struct drm_encoder *encoder;
struct drm_crtc *crtc;
 
char *con_name;
char *enc_name;
 
encoder = connector->encoder;
crtc = encoder->crtc;
 
con_name = drm_get_connector_name(connector);
enc_name = drm_get_encoder_name(encoder);
 
dbgprintf("set mode %d %d connector %s encoder %s\n",
reqmode->width, reqmode->height, con_name, enc_name);
 
fb = fb_helper->fb;
 
fb->width = reqmode->width;
fb->height = reqmode->height;
fb->pitch = ALIGN(reqmode->width * 4, 64);
fb->bits_per_pixel = 32;
fb->depth == 24;
 
crtc->fb = fb;
crtc->enabled = true;
os_display->crtc = crtc;
 
ret = drm_crtc_helper_set_mode(crtc, mode, 0, 0, fb);
 
// select_cursor_kms(rdisplay->cursor);
// radeon_show_cursor_kms(crtc);
 
if (ret == true)
{
os_display->width = fb->width;
os_display->height = fb->height;
os_display->pitch = fb->pitch;
os_display->vrefresh = drm_mode_vrefresh(mode);
 
sysSetScreen(fb->width, fb->height, fb->pitch);
 
dbgprintf("new mode %d x %d pitch %d\n",
fb->width, fb->height, fb->pitch);
}
else
DRM_ERROR("failed to set mode %d_%d on crtc %p\n",
fb->width, fb->height, crtc);
}
 
LEAVE();
return ret;
};
 
 
 
int get_videomodes(videomode_t *mode, int *count)
{
int err = -1;
 
ENTER();
 
dbgprintf("mode %x count %d\n", mode, *count);
 
if( *count == 0 )
{
*count = os_display->supported_modes;
err = 0;
}
else if( mode != NULL )
{
struct drm_display_mode *drmmode;
int i = 0;
 
if( *count > os_display->supported_modes)
*count = os_display->supported_modes;
 
list_for_each_entry(drmmode, &os_display->connector->modes, head)
{
if( i < *count)
{
mode->width = drm_mode_width(drmmode);
mode->height = drm_mode_height(drmmode);
mode->bpp = 32;
mode->freq = drm_mode_vrefresh(drmmode);
i++;
mode++;
}
else break;
};
*count = i;
err = 0;
};
LEAVE();
return err;
};
 
int set_user_mode(videomode_t *mode)
{
int err = -1;
 
ENTER();
 
dbgprintf("width %d height %d vrefresh %d\n",
mode->width, mode->height, mode->freq);
 
if( (mode->width != 0) &&
(mode->height != 0) &&
(mode->freq != 0 ) &&
( (mode->width != os_display->width) ||
(mode->height != os_display->height) ||
(mode->freq != os_display->vrefresh) ) )
{
if( set_mode(os_display->ddev, os_display->connector, mode, true) )
err = 0;
};
 
LEAVE();
return err;
};
 
void __attribute__((regparm(1))) destroy_cursor(cursor_t *cursor)
{
list_del(&cursor->list);
// radeon_bo_unpin(cursor->robj);
// KernelFree(cursor->data);
__DestroyObject(cursor);
};
 
int init_cursor(cursor_t *cursor)
{
struct drm_i915_private *dev_priv = os_display->ddev->dev_private;
struct drm_i915_gem_object *obj;
uint32_t *bits;
uint32_t *src;
 
int i,j;
int ret;
 
ENTER();
 
if (dev_priv->info->cursor_needs_physical)
{
bits = (uint32_t*)KernelAlloc(CURSOR_WIDTH*CURSOR_HEIGHT*4);
if (unlikely(bits == NULL))
return ENOMEM;
cursor->cobj = (struct drm_i915_gem_object *)GetPgAddr(bits);
}
else
{
obj = i915_gem_alloc_object(os_display->ddev, CURSOR_WIDTH*CURSOR_HEIGHT*4);
if (unlikely(obj == NULL))
return -ENOMEM;
 
ret = i915_gem_object_pin(obj, CURSOR_WIDTH*CURSOR_HEIGHT*4, true);
if (ret) {
// drm_gem_object_unreference(&obj->base);
return ret;
}
 
/* You don't need to worry about fragmentation issues.
* GTT space is continuous. I guarantee it. */
 
bits = (u32*)MapIoMem(get_bus_addr() + obj->gtt_offset,
CURSOR_WIDTH*CURSOR_HEIGHT*4, PG_SW);
 
if (unlikely(bits == NULL))
{
// i915_gem_object_unpin(obj);
// drm_gem_object_unreference(&obj->base);
return -ENOMEM;
};
cursor->cobj = obj;
};
 
src = cursor->data;
 
for(i = 0; i < 32; i++)
{
for(j = 0; j < 32; j++)
*bits++ = *src++;
for(j = 32; j < CURSOR_WIDTH; j++)
*bits++ = 0;
}
for(i = 0; i < CURSOR_WIDTH*(CURSOR_HEIGHT-32); i++)
*bits++ = 0;
 
// release old cursor
 
// KernelFree(cursor->data);
 
cursor->data = bits;
 
cursor->header.destroy = destroy_cursor;
LEAVE();
 
return 0;
}
 
 
static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
bool visible = base != 0;
 
if (intel_crtc->cursor_visible != visible) {
uint32_t cntl = I915_READ(CURCNTR(pipe));
if (base) {
cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
cntl |= pipe << 28; /* Connect to correct pipe */
} else {
cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE);
cntl |= CURSOR_MODE_DISABLE;
}
I915_WRITE(CURCNTR(pipe), cntl);
 
intel_crtc->cursor_visible = visible;
}
/* and commit changes on next vblank */
I915_WRITE(CURBASE(pipe), base);
}
 
void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y)
{
struct drm_i915_private *dev_priv = os_display->ddev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(os_display->crtc);
u32 base, pos;
bool visible;
 
int pipe = intel_crtc->pipe;
 
intel_crtc->cursor_x = x;
intel_crtc->cursor_y = y;
 
x = x - cursor->hot_x;
y = y - cursor->hot_y;
 
 
pos = 0;
 
base = intel_crtc->cursor_addr;
if (x >= os_display->width)
base = 0;
 
if (y >= os_display->height)
base = 0;
 
if (x < 0)
{
if (x + intel_crtc->cursor_width < 0)
base = 0;
 
pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
x = -x;
}
pos |= x << CURSOR_X_SHIFT;
 
if (y < 0)
{
if (y + intel_crtc->cursor_height < 0)
base = 0;
 
pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
y = -y;
}
pos |= y << CURSOR_Y_SHIFT;
 
visible = base != 0;
if (!visible && !intel_crtc->cursor_visible)
return;
 
I915_WRITE(CURPOS(pipe), pos);
// if (IS_845G(dev) || IS_I865G(dev))
// i845_update_cursor(crtc, base);
// else
i9xx_update_cursor(os_display->crtc, base);
 
};
 
 
cursor_t* __stdcall select_cursor_kms(cursor_t *cursor)
{
struct drm_i915_private *dev_priv = os_display->ddev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(os_display->crtc);
cursor_t *old;
 
old = os_display->cursor;
os_display->cursor = cursor;
 
if (!dev_priv->info->cursor_needs_physical)
intel_crtc->cursor_addr = cursor->cobj->gtt_offset;
else
intel_crtc->cursor_addr = cursor->cobj;
 
intel_crtc->cursor_width = 32;
intel_crtc->cursor_height = 32;
 
move_cursor_kms(cursor, intel_crtc->cursor_x, intel_crtc->cursor_y);
return old;
};
 
#if 0
static void intel_crtc_update_cursor(struct drm_crtc *crtc,
bool on)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
int x = intel_crtc->cursor_x;
int y = intel_crtc->cursor_y;
u32 base, pos;
bool visible;
 
pos = 0;
 
if (on && crtc->enabled && crtc->fb) {
base = intel_crtc->cursor_addr;
if (x > (int) crtc->fb->width)
base = 0;
 
if (y > (int) crtc->fb->height)
base = 0;
} else
base = 0;
 
if (x < 0) {
if (x + intel_crtc->cursor_width < 0)
base = 0;
 
pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
x = -x;
}
pos |= x << CURSOR_X_SHIFT;
 
if (y < 0) {
if (y + intel_crtc->cursor_height < 0)
base = 0;
 
pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
y = -y;
}
pos |= y << CURSOR_Y_SHIFT;
 
visible = base != 0;
if (!visible && !intel_crtc->cursor_visible)
return;
 
I915_WRITE(CURPOS(pipe), pos);
if (IS_845G(dev) || IS_I865G(dev))
i845_update_cursor(crtc, base);
else
i9xx_update_cursor(crtc, base);
 
if (visible)
intel_mark_busy(dev, to_intel_framebuffer(crtc->fb)->obj);
}
 
#endif