WebSVN – Kolibri OS – Diff – /drivers/video/drm/i915/kms_display.c


#define iowrite32(v, addr)      writel((v), (addr))
 
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"
#include "intel_drv.h"
 
#include 
#include 
#include 
#include 
#include 
 
#include 
 
#include "bitmap.h"
 
extern struct drm_device *main_device;
 
 
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);
    u32  mask_seqno;
    u32  check_mouse;
    u32  check_m_pixel;
 
};
 
 
static display_t *os_display;
 
u32_t cmd_buffer;
u32_t cmd_offset;
 
void init_render();
int  sna_init();
 
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 char *manufacturer_name(unsigned char *x)
{
    static char name[4];
 
    name[0] = ((x[0] & 0x7C) >> 2) + '@';
    name[1] = ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@';
    name[2] = (x[1] & 0x1F) + '@';
    name[3] = 0;
 
    return name;
}
 
bool set_mode(struct drm_device *dev, struct drm_connector *connector,
              videomode_t *reqmode, bool strict)
{
    drm_i915_private_t      *dev_priv   = dev->dev_private;
    struct drm_fb_helper    *fb_helper  = &dev_priv->fbdev->helper;
 
    struct drm_mode_config  *config     = &dev->mode_config;
    struct drm_display_mode *mode       = NULL, *tmpmode;
    struct drm_framebuffer  *fb         = NULL;
    struct drm_crtc         *crtc;
    struct drm_encoder      *encoder;
    struct drm_mode_set     set;
    char *con_name;
    char *enc_name;
    unsigned hdisplay, vdisplay;
    int ret;
 
    mutex_lock(&dev->mode_config.mutex);
 
    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;
            }
        };
    };
 
    DRM_ERROR("%s failed\n", __FUNCTION__);
 
    return -1;
 
do_set:
 
 
    encoder = connector->encoder;
    crtc = encoder->crtc;
 
    con_name = drm_get_connector_name(connector);
    enc_name = drm_get_encoder_name(encoder);
 
    DRM_DEBUG_KMS("set mode %d %d: crtc %d connector %s encoder %s\n",
              reqmode->width, reqmode->height, crtc->base.id,
              con_name, enc_name);
 
    drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
 
    hdisplay = mode->hdisplay;
    vdisplay = mode->vdisplay;
 
    if (crtc->invert_dimensions)
        swap(hdisplay, vdisplay);
 
    fb = fb_helper->fb;
 
    fb->width  = reqmode->width;
    fb->height = reqmode->height;
    fb->pitches[0]  = ALIGN(reqmode->width * 4, 64);
    fb->pitches[1]  = ALIGN(reqmode->width * 4, 64);
    fb->pitches[2]  = ALIGN(reqmode->width * 4, 64);
    fb->pitches[3]  = ALIGN(reqmode->width * 4, 64);
 
    fb->bits_per_pixel = 32;
    fb->depth = 24;
 
    crtc->fb = fb;
    crtc->enabled = true;
    os_display->crtc = crtc;
 
    set.crtc = crtc;
    set.x = 0;
    set.y = 0;
    set.mode = mode;
    set.connectors = &connector;
    set.num_connectors = 1;
    set.fb = fb;
    ret = crtc->funcs->set_config(&set);
    mutex_unlock(&dev->mode_config.mutex);
 
    if ( !ret )
    {
        os_display->width    = fb->width;
        os_display->height   = fb->height;
        os_display->pitch    = fb->pitches[0];
        os_display->vrefresh = drm_mode_vrefresh(mode);
 
        sysSetScreen(fb->width, fb->height, fb->pitches[0]);
 
        DRM_DEBUG_KMS("new mode %d x %d pitch %d\n",
                       fb->width, fb->height, fb->pitches[0]);
    }
    else
        DRM_ERROR("failed to set mode %d_%d on crtc %p\n",
                   fb->width, fb->height, crtc);
 
 
    return ret;
}
 
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;
};
 
static struct drm_connector* get_def_connector(struct drm_device *dev)
{
    struct drm_connector  *connector;
    struct drm_connector_helper_funcs *connector_funcs;
 
    struct drm_connector  *def_connector = NULL;
 
    list_for_each_entry(connector, &dev->mode_config.connector_list, head)
    {
        struct drm_encoder  *encoder;
        struct drm_crtc     *crtc;
 
        if( connector->status != connector_status_connected)
            continue;
 
        connector_funcs = connector->helper_private;
        encoder = connector_funcs->best_encoder(connector);
        if( encoder == NULL)
            continue;
 
        connector->encoder = encoder;
 
        crtc = encoder->crtc;
 
        DRM_DEBUG_KMS("CONNECTOR %x ID:  %d status %d encoder %x\n crtc %x",
                   connector, connector->base.id,
                   connector->status, connector->encoder,
                   crtc);
 
//        if (crtc == NULL)
//            continue;
 
        def_connector = connector;
 
        break;
    };
 
    return def_connector;
};
 
 
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;
    int        err;
 
    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)
        {
            DRM_DEBUG_KMS("CONNECTOR %x ID: %d no active encoders\n",
                      connector, connector->base.id);
            continue;
        }
        connector->encoder = encoder;
        crtc = encoder->crtc;
 
        DRM_DEBUG_KMS("CONNECTOR %x ID:%d status:%d ENCODER %x CRTC %x ID:%d\n",
               connector, connector->base.id,
               connector->status, connector->encoder,
               crtc, crtc->base.id );
 
        break;
    };
 
    if(connector == NULL)
    {
        DRM_ERROR("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)
    {
        DRM_ERROR("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);
 
    main_device = dev;
 
#ifdef __HWA__
    err = init_bitmaps();
#endif
 
    return 0;
};
 
 
int get_videomodes(videomode_t *mode, int *count)
{
    int err = -1;
 
//    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;
    };
    return err;
};
 
int set_user_mode(videomode_t *mode)
{
    int err = -1;
 
//    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;
    };
 
    return err;
};
 
void __attribute__((regparm(1))) destroy_cursor(cursor_t *cursor)
{
    list_del(&cursor->list);
 
    i915_gem_object_unpin(cursor->cobj);
 
    mutex_lock(&main_device->struct_mutex);
    drm_gem_object_unreference(&cursor->cobj->base);
    mutex_unlock(&main_device->struct_mutex);
 
    __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;
    void     *mapped;
 
    int       i,j;
    int       ret;
 
    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, 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.                           */
 
        mapped = bits = (u32*)MapIoMem(dev_priv->gtt.mappable_base + 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;
 
    FreeKernelSpace(mapped);
 
// release old cursor
 
    KernelFree(cursor->data);
 
    cursor->data = bits;
 
    cursor->header.destroy = destroy_cursor;
 
    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 = (addr_t)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;
};
 
struct sna_fb
{
    uint32_t  width;
    uint32_t  height;
    uint32_t  pitch;
    uint32_t  tiling;
};
 
int i915_fbinfo(struct sna_fb *fb)
{
    fb->width  = os_display->width;
    fb->height = os_display->height;
    fb->pitch  = os_display->pitch;
    fb->tiling = 0;
 
    return 0;
};
 
typedef struct
{
    int left;
    int top;
    int right;
    int bottom;
}rect_t;
 
struct drm_i915_mask {
    __u32 handle;
    __u32 width;
    __u32 height;
    __u32 bo_size;
    __u32 bo_pitch;
    __u32 bo_map;
};
 
#define CURRENT_TASK             (0x80003000)
 
static u32_t get_display_map()
{
    u32_t   addr;
 
    addr = (u32_t)os_display;
    addr+= sizeof(display_t);            /*  shoot me  */
    return *(u32_t*)addr;
}
 
void  FASTCALL GetWindowRect(rect_t *rc)__asm__("GetWindowRect");
 
int i915_mask_update(struct drm_device *dev, void *data,
            struct drm_file *file)
{
    struct drm_i915_mask *mask = data;
    struct drm_gem_object *obj;
    static unsigned int mask_seqno[256];
    rect_t winrc;
    u32    slot;
    int    ret;
 
     if(mask->handle == -2)
     {
        printf("%s handle %d\n", __FUNCTION__, mask->handle);
        return 0;
     }
 
    obj = drm_gem_object_lookup(dev, file, mask->handle);
    if (obj == NULL)
        return -ENOENT;
 
    if (!obj->filp) {
        drm_gem_object_unreference_unlocked(obj);
        return -EINVAL;
    }
 
    GetWindowRect(&winrc);
    {
//        static warn_count;
 
        mask->width    = winrc.right - winrc.left + 1;
        mask->height   = winrc.bottom - winrc.top + 1;
        mask->bo_pitch = (mask->width+15) & ~15;
 
#if 0
        if(warn_count < 1)
        {
            printf("left %d top %d right %d bottom %d\n",
                    winrc.left, winrc.top, winrc.right, winrc.bottom);
            printf("mask pitch %d data %p\n", mask->bo_pitch, mask->bo_size);
            warn_count++;
        };
#endif
 
    };
 
 
    slot = *((u8*)CURRENT_TASK);
 
    if( mask_seqno[slot] != os_display->mask_seqno)
    {
        u8* src_offset;
        u8* dst_offset;
        u32 ifl;
 
        ret = i915_mutex_lock_interruptible(dev);
        if (ret)
            return ret;
 
        ret = i915_gem_object_set_to_cpu_domain(to_intel_bo(obj), true);
        if(ret !=0 )
        {
            dbgprintf("%s fail\n", __FUNCTION__);
            return ret;
        };
 
//        printf("width %d height %d\n", winrc.right, winrc.bottom);
 
//        slot = 0x01;
 
 
        src_offset = (u8*)( winrc.top*os_display->width + winrc.left);
        src_offset+= get_display_map();
        dst_offset = (u8*)mask->bo_map;
 
        u32_t tmp_h = mask->height;
 
        ifl = safe_cli();
        {
            mask_seqno[slot] = os_display->mask_seqno;
 
            slot|= (slot<<8)|(slot<<16)|(slot<<24);
 
            __asm__ __volatile__ (
                "movd       %[slot],   %%xmm6    \n"
            "punpckldq  %%xmm6, %%xmm6            \n"
            "punpcklqdq %%xmm6, %%xmm6            \n"
            :: [slot]  "m" (slot)
            :"xmm6");
 
            while( tmp_h--)
            {
                int tmp_w = mask->bo_pitch;
 
                u8* tmp_src = src_offset;
                u8* tmp_dst = dst_offset;
 
                src_offset+= os_display->width;
                dst_offset+= mask->bo_pitch;
 
                while(tmp_w >= 64)
                {
                    __asm__ __volatile__ (
                    "movdqu     (%0),   %%xmm0            \n"
                    "movdqu   16(%0),   %%xmm1            \n"
                    "movdqu   32(%0),   %%xmm2            \n"
                    "movdqu   48(%0),   %%xmm3            \n"
                    "pcmpeqb    %%xmm6, %%xmm0            \n"
                    "pcmpeqb    %%xmm6, %%xmm1            \n"
                    "pcmpeqb    %%xmm6, %%xmm2            \n"
                    "pcmpeqb    %%xmm6, %%xmm3            \n"
                    "movdqa     %%xmm0,   (%%edi)         \n"
                    "movdqa     %%xmm1, 16(%%edi)         \n"
                    "movdqa     %%xmm2, 32(%%edi)         \n"
                    "movdqa     %%xmm3, 48(%%edi)         \n"
 
                    :: "r" (tmp_src), "D" (tmp_dst)
                    :"xmm0","xmm1","xmm2","xmm3");
                    tmp_w -= 64;
                    tmp_src += 64;
                    tmp_dst += 64;
                }
 
                if( tmp_w >= 32 )
                {
                    __asm__ __volatile__ (
                    "movdqu     (%0),   %%xmm0            \n"
                    "movdqu   16(%0),   %%xmm1            \n"
                    "pcmpeqb    %%xmm6, %%xmm0            \n"
                    "pcmpeqb    %%xmm6, %%xmm1            \n"
                    "movdqa     %%xmm0,   (%%edi)         \n"
                    "movdqa     %%xmm1, 16(%%edi)         \n"
 
                    :: "r" (tmp_src), "D" (tmp_dst)
                    :"xmm0","xmm1");
                    tmp_w -= 32;
                    tmp_src += 32;
                    tmp_dst += 32;
                }
 
                while( tmp_w > 0 )
                {
                    __asm__ __volatile__ (
                    "movdqu     (%0),   %%xmm0            \n"
                    "pcmpeqb    %%xmm6, %%xmm0            \n"
                    "movdqa     %%xmm0,   (%%edi)         \n"
                    :: "r" (tmp_src), "D" (tmp_dst)
                    :"xmm0");
                    tmp_w -= 16;
                    tmp_src += 16;
                    tmp_dst += 16;
                }
            };
        };
        safe_sti(ifl);
    }
 
    drm_gem_object_unreference(obj);
 
    mutex_unlock(&dev->struct_mutex);
 
    return 0;
}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
#define NSEC_PER_SEC    1000000000L
 
void getrawmonotonic(struct timespec *ts)
{
    u32 tmp = GetTimerTicks();
 
    ts->tv_sec  = tmp/100;
    ts->tv_nsec = (tmp - ts->tv_sec*100)*10000000;
}
 
void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec)
{
        while (nsec >= NSEC_PER_SEC) {
                nsec -= NSEC_PER_SEC;
                ++sec;
        }
        while (nsec < 0) {
                nsec += NSEC_PER_SEC;
                --sec;
        }
        ts->tv_sec = sec;
        ts->tv_nsec = nsec;
}
 
 
void
prepare_to_wait(wait_queue_head_t *q, wait_queue_t *wait, int state)
{
    unsigned long flags;
 
//    wait->flags &= ~WQ_FLAG_EXCLUSIVE;
    spin_lock_irqsave(&q->lock, flags);
    if (list_empty(&wait->task_list))
            __add_wait_queue(q, wait);
    spin_unlock_irqrestore(&q->lock, flags);
}
 
/**
 * finish_wait - clean up after waiting in a queue
 * @q: waitqueue waited on
 * @wait: wait descriptor
 *
 * Sets current thread back to running state and removes
 * the wait descriptor from the given waitqueue if still
 * queued.
 */
void finish_wait(wait_queue_head_t *q, wait_queue_t *wait)
{
    unsigned long flags;
 
//    __set_current_state(TASK_RUNNING);
    /*
     * We can check for list emptiness outside the lock
     * IFF:
     *  - we use the "careful" check that verifies both
     *    the next and prev pointers, so that there cannot
     *    be any half-pending updates in progress on other
     *    CPU's that we haven't seen yet (and that might
     *    still change the stack area.
     * and
     *  - all other users take the lock (ie we can only
     *    have _one_ other CPU that looks at or modifies
     *    the list).
     */
    if (!list_empty_careful(&wait->task_list)) {
            spin_lock_irqsave(&q->lock, flags);
            list_del_init(&wait->task_list);
            spin_unlock_irqrestore(&q->lock, flags);
    }
 
    DestroyEvent(wait->evnt);
}
 
int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key)
{
    list_del_init(&wait->task_list);
    return 1;
}
 
unsigned int hweight16(unsigned int w)
{
    unsigned int res = w - ((w >> 1) & 0x5555);
    res = (res & 0x3333) + ((res >> 2) & 0x3333);
    res = (res + (res >> 4)) & 0x0F0F;
    return (res + (res >> 8)) & 0x00FF;
}
 
 
unsigned long round_jiffies_up_relative(unsigned long j)
{
    unsigned long j0 = GetTimerTicks();
 
        /* Use j0 because jiffies might change while we run */
    return round_jiffies_common(j + j0, true) - j0;
}
 
>
 
>
 
>
 
>
 
>
 
>

Rev 3480	Rev 3482
1	#define iowrite32(v, addr) writel((v), (addr))	1	#define iowrite32(v, addr) writel((v), (addr))
2		2
3	#include "drmP.h"	3	#include "drmP.h"
4	#include "drm.h"	4	#include "drm.h"
5	#include "i915_drm.h"	5	#include "i915_drm.h"
6	#include "i915_drv.h"	6	#include "i915_drv.h"
7	#include "intel_drv.h"	7	#include "intel_drv.h"
8		8
9	#include	9	#include
10	#include	10	#include
11	#include	11	#include
12	#include	12	#include
13	#include	13	#include
14		14
15	#include	15	#include
16		16
17	#include "bitmap.h"	17	#include "bitmap.h"
18		18
19	extern struct drm_device *main_device;	19	extern struct drm_device *main_device;
20		20
21		21
22	typedef struct	22	typedef struct
23	{	23	{
24	kobj_t header;	24	kobj_t header;
25		25
26	uint32_t *data;	26	uint32_t *data;
27	uint32_t hot_x;	27	uint32_t hot_x;
28	uint32_t hot_y;	28	uint32_t hot_y;
29		29
30	struct list_head list;	30	struct list_head list;
31	struct drm_i915_gem_object *cobj;	31	struct drm_i915_gem_object *cobj;
32	}cursor_t;	32	}cursor_t;
33		33
34	#define CURSOR_WIDTH 64	34	#define CURSOR_WIDTH 64
35	#define CURSOR_HEIGHT 64	35	#define CURSOR_HEIGHT 64
36		36
37		37
38	struct tag_display	38	struct tag_display
39	{	39	{
40	int x;	40	int x;
41	int y;	41	int y;
42	int width;	42	int width;
43	int height;	43	int height;
44	int bpp;	44	int bpp;
45	int vrefresh;	45	int vrefresh;
46	int pitch;	46	int pitch;
47	int lfb;	47	int lfb;
48		48
49	int supported_modes;	49	int supported_modes;
50	struct drm_device *ddev;	50	struct drm_device *ddev;
51	struct drm_connector *connector;	51	struct drm_connector *connector;
52	struct drm_crtc *crtc;	52	struct drm_crtc *crtc;
53		53
54	struct list_head cursors;	54	struct list_head cursors;
55		55
56	cursor_t *cursor;	56	cursor_t *cursor;
57	int (init_cursor)(cursor_t);	57	int (init_cursor)(cursor_t);
58	cursor_t* (__stdcall select_cursor)(cursor_t);	58	cursor_t* (__stdcall select_cursor)(cursor_t);
59	void (*show_cursor)(int show);	59	void (*show_cursor)(int show);
60	void (__stdcall move_cursor)(cursor_t cursor, int x, int y);	60	void (__stdcall move_cursor)(cursor_t cursor, int x, int y);
61	void (__stdcall *restore_cursor)(int x, int y);	61	void (__stdcall *restore_cursor)(int x, int y);
62	void (*disable_mouse)(void);	62	void (*disable_mouse)(void);
63	u32 mask_seqno;	63	u32 mask_seqno;
64	u32 check_mouse;	64	u32 check_mouse;
65	u32 check_m_pixel;	65	u32 check_m_pixel;
66		66
67	};	67	};
68		68
69		69
70	static display_t *os_display;	70	static display_t *os_display;
71		71
72	u32_t cmd_buffer;	72	u32_t cmd_buffer;
73	u32_t cmd_offset;	73	u32_t cmd_offset;
74		74
75	void init_render();	75	void init_render();
76	int sna_init();	76	int sna_init();
77		77
78	int init_cursor(cursor_t *cursor);	78	int init_cursor(cursor_t *cursor);
79	static cursor_t* __stdcall select_cursor_kms(cursor_t *cursor);	79	static cursor_t* __stdcall select_cursor_kms(cursor_t *cursor);
80	static void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y);	80	static void __stdcall move_cursor_kms(cursor_t *cursor, int x, int y);
81		81
82	void __stdcall restore_cursor(int x, int y)	82	void __stdcall restore_cursor(int x, int y)
83	{};	83	{};
84		84
85	void disable_mouse(void)	85	void disable_mouse(void)
86	{};	86	{};
87		87
88	static char manufacturer_name(unsigned char x)	88	static char manufacturer_name(unsigned char x)
89	{	89	{
90	static char name[4];	90	static char name[4];
91		91
92	name[0] = ((x[0] & 0x7C) >> 2) + '@';	92	name[0] = ((x[0] & 0x7C) >> 2) + '@';
93	name[1] = ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@';	93	name[1] = ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@';
94	name[2] = (x[1] & 0x1F) + '@';	94	name[2] = (x[1] & 0x1F) + '@';
95	name[3] = 0;	95	name[3] = 0;
96		96
97	return name;	97	return name;
98	}	98	}
99		99
100	bool set_mode(struct drm_device dev, struct drm_connector connector,	100	bool set_mode(struct drm_device dev, struct drm_connector connector,
101	videomode_t *reqmode, bool strict)	101	videomode_t *reqmode, bool strict)
102	{	102	{
103	drm_i915_private_t *dev_priv = dev->dev_private;	103	drm_i915_private_t *dev_priv = dev->dev_private;
104	struct drm_fb_helper *fb_helper = &dev_priv->fbdev->helper;	104	struct drm_fb_helper *fb_helper = &dev_priv->fbdev->helper;
105		105
106	struct drm_mode_config *config = &dev->mode_config;	106	struct drm_mode_config *config = &dev->mode_config;
107	struct drm_display_mode mode = NULL, tmpmode;	107	struct drm_display_mode mode = NULL, tmpmode;
108	struct drm_framebuffer *fb = NULL;	108	struct drm_framebuffer *fb = NULL;
109	struct drm_crtc *crtc;	109	struct drm_crtc *crtc;
110	struct drm_encoder *encoder;	110	struct drm_encoder *encoder;
111	struct drm_mode_set set;	111	struct drm_mode_set set;
112	char *con_name;	112	char *con_name;
113	char *enc_name;	113	char *enc_name;
114	unsigned hdisplay, vdisplay;	114	unsigned hdisplay, vdisplay;
115	int ret;	115	int ret;
116		116
117	mutex_lock(&dev->mode_config.mutex);	117	mutex_lock(&dev->mode_config.mutex);
118		118
119	list_for_each_entry(tmpmode, &connector->modes, head)	119	list_for_each_entry(tmpmode, &connector->modes, head)
120	{	120	{
121	if( (drm_mode_width(tmpmode) == reqmode->width) &&	121	if( (drm_mode_width(tmpmode) == reqmode->width) &&
122	(drm_mode_height(tmpmode) == reqmode->height) &&	122	(drm_mode_height(tmpmode) == reqmode->height) &&
123	(drm_mode_vrefresh(tmpmode) == reqmode->freq) )	123	(drm_mode_vrefresh(tmpmode) == reqmode->freq) )
124	{	124	{
125	mode = tmpmode;	125	mode = tmpmode;
126	goto do_set;	126	goto do_set;
127	}	127	}
128	};	128	};
129		129
130	if( (mode == NULL) && (strict == false) )	130	if( (mode == NULL) && (strict == false) )
131	{	131	{
132	list_for_each_entry(tmpmode, &connector->modes, head)	132	list_for_each_entry(tmpmode, &connector->modes, head)
133	{	133	{
134	if( (drm_mode_width(tmpmode) == reqmode->width) &&	134	if( (drm_mode_width(tmpmode) == reqmode->width) &&
135	(drm_mode_height(tmpmode) == reqmode->height) )	135	(drm_mode_height(tmpmode) == reqmode->height) )
136	{	136	{
137	mode = tmpmode;	137	mode = tmpmode;
138	goto do_set;	138	goto do_set;
139	}	139	}
140	};	140	};
141	};	141	};
142		142
143	DRM_ERROR("%s failed\n", __FUNCTION__);	143	DRM_ERROR("%s failed\n", __FUNCTION__);
144		144
145	return -1;	145	return -1;
146		146
147	do_set:	147	do_set:
148		148
149		149
150	encoder = connector->encoder;	150	encoder = connector->encoder;
151	crtc = encoder->crtc;	151	crtc = encoder->crtc;
152		152
153	con_name = drm_get_connector_name(connector);	153	con_name = drm_get_connector_name(connector);
154	enc_name = drm_get_encoder_name(encoder);	154	enc_name = drm_get_encoder_name(encoder);
155		155
156	DRM_DEBUG_KMS("set mode %d %d: crtc %d connector %s encoder %s\n",	156	DRM_DEBUG_KMS("set mode %d %d: crtc %d connector %s encoder %s\n",
157	reqmode->width, reqmode->height, crtc->base.id,	157	reqmode->width, reqmode->height, crtc->base.id,
158	con_name, enc_name);	158	con_name, enc_name);
159		159
160	drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);	160	drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
161		161
162	hdisplay = mode->hdisplay;	162	hdisplay = mode->hdisplay;
163	vdisplay = mode->vdisplay;	163	vdisplay = mode->vdisplay;
164		164
165	if (crtc->invert_dimensions)	165	if (crtc->invert_dimensions)
166	swap(hdisplay, vdisplay);	166	swap(hdisplay, vdisplay);
167		167
168	fb = fb_helper->fb;	168	fb = fb_helper->fb;
169		169
170	fb->width = reqmode->width;	170	fb->width = reqmode->width;
171	fb->height = reqmode->height;	171	fb->height = reqmode->height;
172	fb->pitches[0] = ALIGN(reqmode->width * 4, 64);	172	fb->pitches[0] = ALIGN(reqmode->width * 4, 64);
173	fb->pitches[1] = ALIGN(reqmode->width * 4, 64);	173	fb->pitches[1] = ALIGN(reqmode->width * 4, 64);
174	fb->pitches[2] = ALIGN(reqmode->width * 4, 64);	174	fb->pitches[2] = ALIGN(reqmode->width * 4, 64);
175	fb->pitches[3] = ALIGN(reqmode->width * 4, 64);	175	fb->pitches[3] = ALIGN(reqmode->width * 4, 64);
176		176
177	fb->bits_per_pixel = 32;	177	fb->bits_per_pixel = 32;
178	fb->depth = 24;	178	fb->depth = 24;
179		179
180	crtc->fb = fb;	180	crtc->fb = fb;
181	crtc->enabled = true;	181	crtc->enabled = true;
182	os_display->crtc = crtc;	182	os_display->crtc = crtc;
183		183
184	set.crtc = crtc;	184	set.crtc = crtc;
185	set.x = 0;	185	set.x = 0;
186	set.y = 0;	186	set.y = 0;
187	set.mode = mode;	187	set.mode = mode;
188	set.connectors = &connector;	188	set.connectors = &connector;
189	set.num_connectors = 1;	189	set.num_connectors = 1;
190	set.fb = fb;	190	set.fb = fb;
191	ret = crtc->funcs->set_config(&set);	191	ret = crtc->funcs->set_config(&set);
192	mutex_unlock(&dev->mode_config.mutex);	192	mutex_unlock(&dev->mode_config.mutex);
193		193
194	if ( !ret )	194	if ( !ret )
195	{	195	{
196	os_display->width = fb->width;	196	os_display->width = fb->width;
197	os_display->height = fb->height;	197	os_display->height = fb->height;
198	os_display->pitch = fb->pitches[0];	198	os_display->pitch = fb->pitches[0];
199	os_display->vrefresh = drm_mode_vrefresh(mode);	199	os_display->vrefresh = drm_mode_vrefresh(mode);
200		200
201	sysSetScreen(fb->width, fb->height, fb->pitches[0]);	201	sysSetScreen(fb->width, fb->height, fb->pitches[0]);
202		202
203	DRM_DEBUG_KMS("new mode %d x %d pitch %d\n",	203	DRM_DEBUG_KMS("new mode %d x %d pitch %d\n",
204	fb->width, fb->height, fb->pitches[0]);	204	fb->width, fb->height, fb->pitches[0]);
205	}	205	}
206	else	206	else
207	DRM_ERROR("failed to set mode %d_%d on crtc %p\n",	207	DRM_ERROR("failed to set mode %d_%d on crtc %p\n",
208	fb->width, fb->height, crtc);	208	fb->width, fb->height, crtc);
209		209
210		210
211	return ret;	211	return ret;
212	}	212	}
213		213
214	static int count_connector_modes(struct drm_connector* connector)	214	static int count_connector_modes(struct drm_connector* connector)
215	{	215	{
216	struct drm_display_mode *mode;	216	struct drm_display_mode *mode;
217	int count = 0;	217	int count = 0;
218		218
219	list_for_each_entry(mode, &connector->modes, head)	219	list_for_each_entry(mode, &connector->modes, head)
220	{	220	{
221	count++;	221	count++;
222	};	222	};
223	return count;	223	return count;
224	};	224	};
225		225
226	static struct drm_connector* get_def_connector(struct drm_device *dev)	226	static struct drm_connector* get_def_connector(struct drm_device *dev)
227	{	227	{
228	struct drm_connector *connector;	228	struct drm_connector *connector;
229	struct drm_connector_helper_funcs *connector_funcs;	229	struct drm_connector_helper_funcs *connector_funcs;
230		230
231	struct drm_connector *def_connector = NULL;	231	struct drm_connector *def_connector = NULL;
232		232
233	list_for_each_entry(connector, &dev->mode_config.connector_list, head)	233	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
234	{	234	{
235	struct drm_encoder *encoder;	235	struct drm_encoder *encoder;
236	struct drm_crtc *crtc;	236	struct drm_crtc *crtc;
237		237
238	if( connector->status != connector_status_connected)	238	if( connector->status != connector_status_connected)
239	continue;	239	continue;
240		240
241	connector_funcs = connector->helper_private;	241	connector_funcs = connector->helper_private;
242	encoder = connector_funcs->best_encoder(connector);	242	encoder = connector_funcs->best_encoder(connector);
243	if( encoder == NULL)	243	if( encoder == NULL)
244	continue;	244	continue;
245		245
246	connector->encoder = encoder;	246	connector->encoder = encoder;
247		247
248	crtc = encoder->crtc;	248	crtc = encoder->crtc;
249		249
250	DRM_DEBUG_KMS("CONNECTOR %x ID: %d status %d encoder %x\n crtc %x",	250	DRM_DEBUG_KMS("CONNECTOR %x ID: %d status %d encoder %x\n crtc %x",
251	connector, connector->base.id,	251	connector, connector->base.id,
252	connector->status, connector->encoder,	252	connector->status, connector->encoder,
253	crtc);	253	crtc);
254		254
255	// if (crtc == NULL)	255	// if (crtc == NULL)
256	// continue;	256	// continue;
257		257
258	def_connector = connector;	258	def_connector = connector;
259		259
260	break;	260	break;
261	};	261	};
262		262
263	return def_connector;	263	return def_connector;
264	};	264	};
265		265
266		266
267	int init_display_kms(struct drm_device *dev)	267	int init_display_kms(struct drm_device *dev)
268	{	268	{
269	struct drm_connector *connector;	269	struct drm_connector *connector;
270	struct drm_connector_helper_funcs *connector_funcs;	270	struct drm_connector_helper_funcs *connector_funcs;
271	struct drm_encoder *encoder;	271	struct drm_encoder *encoder;
272	struct drm_crtc *crtc = NULL;	272	struct drm_crtc *crtc = NULL;
273	struct drm_framebuffer *fb;	273	struct drm_framebuffer *fb;
274		274
275	cursor_t *cursor;	275	cursor_t *cursor;
276	u32_t ifl;	276	u32_t ifl;
277	int err;	277	int err;
278		278
279	list_for_each_entry(connector, &dev->mode_config.connector_list, head)	279	list_for_each_entry(connector, &dev->mode_config.connector_list, head)
280	{	280	{
281	if( connector->status != connector_status_connected)	281	if( connector->status != connector_status_connected)
282	continue;	282	continue;
283		283
284	connector_funcs = connector->helper_private;	284	connector_funcs = connector->helper_private;
285	encoder = connector_funcs->best_encoder(connector);	285	encoder = connector_funcs->best_encoder(connector);
286	if( encoder == NULL)	286	if( encoder == NULL)
287	{	287	{
288	DRM_DEBUG_KMS("CONNECTOR %x ID: %d no active encoders\n",	288	DRM_DEBUG_KMS("CONNECTOR %x ID: %d no active encoders\n",
289	connector, connector->base.id);	289	connector, connector->base.id);
290	continue;	290	continue;
291	}	291	}
292	connector->encoder = encoder;	292	connector->encoder = encoder;
293	crtc = encoder->crtc;	293	crtc = encoder->crtc;
294		294
295	DRM_DEBUG_KMS("CONNECTOR %x ID:%d status:%d ENCODER %x CRTC %x ID:%d\n",	295	DRM_DEBUG_KMS("CONNECTOR %x ID:%d status:%d ENCODER %x CRTC %x ID:%d\n",
296	connector, connector->base.id,	296	connector, connector->base.id,
297	connector->status, connector->encoder,	297	connector->status, connector->encoder,
298	crtc, crtc->base.id );	298	crtc, crtc->base.id );
299		299
300	break;	300	break;
301	};	301	};
302		302
303	if(connector == NULL)	303	if(connector == NULL)
304	{	304	{
305	DRM_ERROR("No active connectors!\n");	305	DRM_ERROR("No active connectors!\n");
306	return -1;	306	return -1;
307	};	307	};
308		308
309	if(crtc == NULL)	309	if(crtc == NULL)
310	{	310	{
311	struct drm_crtc *tmp_crtc;	311	struct drm_crtc *tmp_crtc;
312	int crtc_mask = 1;	312	int crtc_mask = 1;
313		313
314	list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head)	314	list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head)
315	{	315	{
316	if (encoder->possible_crtcs & crtc_mask)	316	if (encoder->possible_crtcs & crtc_mask)
317	{	317	{
318	crtc = tmp_crtc;	318	crtc = tmp_crtc;
319	encoder->crtc = crtc;	319	encoder->crtc = crtc;
320	break;	320	break;
321	};	321	};
322	crtc_mask <<= 1;	322	crtc_mask <<= 1;
323	};	323	};
324	};	324	};
325		325
326	if(crtc == NULL)	326	if(crtc == NULL)
327	{	327	{
328	DRM_ERROR("No CRTC for encoder %d\n", encoder->base.id);	328	DRM_ERROR("No CRTC for encoder %d\n", encoder->base.id);
329	return -1;	329	return -1;
330	};	330	};
331		331
332		332
333	DRM_DEBUG_KMS("[Select CRTC:%d]\n", crtc->base.id);	333	DRM_DEBUG_KMS("[Select CRTC:%d]\n", crtc->base.id);
334		334
335	os_display = GetDisplay();	335	os_display = GetDisplay();
336	os_display->ddev = dev;	336	os_display->ddev = dev;
337	os_display->connector = connector;	337	os_display->connector = connector;
338	os_display->crtc = crtc;	338	os_display->crtc = crtc;
339		339
340	os_display->supported_modes = count_connector_modes(connector);	340	os_display->supported_modes = count_connector_modes(connector);
341		341
342		342
343	ifl = safe_cli();	343	ifl = safe_cli();
344	{	344	{
345	struct intel_crtc *intel_crtc = to_intel_crtc(os_display->crtc);	345	struct intel_crtc *intel_crtc = to_intel_crtc(os_display->crtc);
346		346
347	list_for_each_entry(cursor, &os_display->cursors, list)	347	list_for_each_entry(cursor, &os_display->cursors, list)
348	{	348	{
349	init_cursor(cursor);	349	init_cursor(cursor);
350	};	350	};
351		351
352	os_display->restore_cursor(0,0);	352	os_display->restore_cursor(0,0);
353	os_display->init_cursor = init_cursor;	353	os_display->init_cursor = init_cursor;
354	os_display->select_cursor = select_cursor_kms;	354	os_display->select_cursor = select_cursor_kms;
355	os_display->show_cursor = NULL;	355	os_display->show_cursor = NULL;
356	os_display->move_cursor = move_cursor_kms;	356	os_display->move_cursor = move_cursor_kms;
357	os_display->restore_cursor = restore_cursor;	357	os_display->restore_cursor = restore_cursor;
358	os_display->disable_mouse = disable_mouse;	358	os_display->disable_mouse = disable_mouse;
359		359
360	intel_crtc->cursor_x = os_display->width/2;	360	intel_crtc->cursor_x = os_display->width/2;
361	intel_crtc->cursor_y = os_display->height/2;	361	intel_crtc->cursor_y = os_display->height/2;
362		362
363	select_cursor_kms(os_display->cursor);	363	select_cursor_kms(os_display->cursor);
364	};	364	};
365	safe_sti(ifl);	365	safe_sti(ifl);
366		366
367	main_device = dev;	367	main_device = dev;
368		368
369	#ifdef __HWA__	369	#ifdef __HWA__
370	err = init_bitmaps();	370	err = init_bitmaps();
371	#endif	371	#endif
372		372
373	return 0;	373	return 0;
374	};	374	};
375		375
376		376
377	int get_videomodes(videomode_t mode, int count)	377	int get_videomodes(videomode_t mode, int count)
378	{	378	{
379	int err = -1;	379	int err = -1;
380		380
381	// dbgprintf("mode %x count %d\n", mode, *count);	381	// dbgprintf("mode %x count %d\n", mode, *count);
382		382
383	if( *count == 0 )	383	if( *count == 0 )
384	{	384	{
385	*count = os_display->supported_modes;	385	*count = os_display->supported_modes;
386	err = 0;	386	err = 0;
387	}	387	}
388	else if( mode != NULL )	388	else if( mode != NULL )
389	{	389	{
390	struct drm_display_mode *drmmode;	390	struct drm_display_mode *drmmode;
391	int i = 0;	391	int i = 0;
392		392
393	if( *count > os_display->supported_modes)	393	if( *count > os_display->supported_modes)
394	*count = os_display->supported_modes;	394	*count = os_display->supported_modes;
395		395
396	list_for_each_entry(drmmode, &os_display->connector->modes, head)	396	list_for_each_entry(drmmode, &os_display->connector->modes, head)
397	{	397	{
398	if( i < *count)	398	if( i < *count)
399	{	399	{
400	mode->width = drm_mode_width(drmmode);	400	mode->width = drm_mode_width(drmmode);
401	mode->height = drm_mode_height(drmmode);	401	mode->height = drm_mode_height(drmmode);
402	mode->bpp = 32;	402	mode->bpp = 32;
403	mode->freq = drm_mode_vrefresh(drmmode);	403	mode->freq = drm_mode_vrefresh(drmmode);
404	i++;	404	i++;
405	mode++;	405	mode++;
406	}	406	}
407	else break;	407	else break;
408	};	408	};
409	*count = i;	409	*count = i;
410	err = 0;	410	err = 0;
411	};	411	};
412	return err;	412	return err;
413	};	413	};
414		414
415	int set_user_mode(videomode_t *mode)	415	int set_user_mode(videomode_t *mode)
416	{	416	{
417	int err = -1;	417	int err = -1;
418		418
419	// dbgprintf("width %d height %d vrefresh %d\n",	419	// dbgprintf("width %d height %d vrefresh %d\n",
420	// mode->width, mode->height, mode->freq);	420	// mode->width, mode->height, mode->freq);
421		421
422	if( (mode->width != 0) &&	422	if( (mode->width != 0) &&
423	(mode->height != 0) &&	423	(mode->height != 0) &&
424	(mode->freq != 0 ) &&	424	(mode->freq != 0 ) &&
425	( (mode->width != os_display->width) \|\|	425	( (mode->width != os_display->width) \|\|
426	(mode->height != os_display->height) \|\|	426	(mode->height != os_display->height) \|\|
427	(mode->freq != os_display->vrefresh) ) )	427	(mode->freq != os_display->vrefresh) ) )
428	{	428	{
429	if( set_mode(os_display->ddev, os_display->connector, mode, true) )	429	if( set_mode(os_display->ddev, os_display->connector, mode, true) )
430	err = 0;	430	err = 0;
431	};	431	};
432		432
433	return err;	433	return err;
434	};	434	};
435		435
436	void __attribute__((regparm(1))) destroy_cursor(cursor_t *cursor)	436	void __attribute__((regparm(1))) destroy_cursor(cursor_t *cursor)
437	{	437	{
438	list_del(&cursor->list);	438	list_del(&cursor->list);
439		439
440	i915_gem_object_unpin(cursor->cobj);	440	i915_gem_object_unpin(cursor->cobj);
441		441
442	mutex_lock(&main_device->struct_mutex);	442	mutex_lock(&main_device->struct_mutex);
443	drm_gem_object_unreference(&cursor->cobj->base);	443	drm_gem_object_unreference(&cursor->cobj->base);
444	mutex_unlock(&main_device->struct_mutex);	444	mutex_unlock(&main_device->struct_mutex);
445		445
446	__DestroyObject(cursor);	446	__DestroyObject(cursor);
447	};	447	};
448		448
449	int init_cursor(cursor_t *cursor)	449	int init_cursor(cursor_t *cursor)
450	{	450	{
451	struct drm_i915_private *dev_priv = os_display->ddev->dev_private;	451	struct drm_i915_private *dev_priv = os_display->ddev->dev_private;
452	struct drm_i915_gem_object *obj;	452	struct drm_i915_gem_object *obj;
453	uint32_t *bits;	453	uint32_t *bits;
454	uint32_t *src;	454	uint32_t *src;
455	void *mapped;	455	void *mapped;
456		456
457	int i,j;	457	int i,j;
458	int ret;	458	int ret;
459		459
460	if (dev_priv->info->cursor_needs_physical)	460	if (dev_priv->info->cursor_needs_physical)
461	{	461	{
462	bits = (uint32_t)KernelAlloc(CURSOR_WIDTHCURSOR_HEIGHT*4);	462	bits = (uint32_t)KernelAlloc(CURSOR_WIDTHCURSOR_HEIGHT*4);
463	if (unlikely(bits == NULL))	463	if (unlikely(bits == NULL))
464	return ENOMEM;	464	return ENOMEM;
465	cursor->cobj = (struct drm_i915_gem_object *)GetPgAddr(bits);	465	cursor->cobj = (struct drm_i915_gem_object *)GetPgAddr(bits);
466	}	466	}
467	else	467	else
468	{	468	{
469	obj = i915_gem_alloc_object(os_display->ddev, CURSOR_WIDTHCURSOR_HEIGHT4);	469	obj = i915_gem_alloc_object(os_display->ddev, CURSOR_WIDTHCURSOR_HEIGHT4);
470	if (unlikely(obj == NULL))	470	if (unlikely(obj == NULL))
471	return -ENOMEM;	471	return -ENOMEM;
472		472
473	ret = i915_gem_object_pin(obj, CURSOR_WIDTHCURSOR_HEIGHT4, true, true);	473	ret = i915_gem_object_pin(obj, CURSOR_WIDTHCURSOR_HEIGHT4, true, true);
474	if (ret) {	474	if (ret) {
475	drm_gem_object_unreference(&obj->base);	475	drm_gem_object_unreference(&obj->base);
476	return ret;	476	return ret;
477	}	477	}
478		478
479	/* You don't need to worry about fragmentation issues.	479	/* You don't need to worry about fragmentation issues.
480	* GTT space is continuous. I guarantee it. */	480	* GTT space is continuous. I guarantee it. */
481		481
482	mapped = bits = (u32*)MapIoMem(dev_priv->gtt.mappable_base + obj->gtt_offset,	482	mapped = bits = (u32*)MapIoMem(dev_priv->gtt.mappable_base + obj->gtt_offset,
483	CURSOR_WIDTHCURSOR_HEIGHT4, PG_SW);	483	CURSOR_WIDTHCURSOR_HEIGHT4, PG_SW);
484		484
485	if (unlikely(bits == NULL))	485	if (unlikely(bits == NULL))
486	{	486	{
487	i915_gem_object_unpin(obj);	487	i915_gem_object_unpin(obj);
488	drm_gem_object_unreference(&obj->base);	488	drm_gem_object_unreference(&obj->base);
489	return -ENOMEM;	489	return -ENOMEM;
490	};	490	};
491	cursor->cobj = obj;	491	cursor->cobj = obj;
492	};	492	};
493		493
494	src = cursor->data;	494	src = cursor->data;
495		495
496	for(i = 0; i < 32; i++)	496	for(i = 0; i < 32; i++)
497	{	497	{
498	for(j = 0; j < 32; j++)	498	for(j = 0; j < 32; j++)
499	bits++ = src++;	499	bits++ = src++;
500	for(j = 32; j < CURSOR_WIDTH; j++)	500	for(j = 32; j < CURSOR_WIDTH; j++)

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/i915/kms_display.c – Rev 3480 → 3482