![Craig Kewley](/assets/img/avatar_default.png)
Fix Sparse warnings: drivers/staging/vboxvideo/vbox_mode.c:309:6: warning: symbol 'vbox_primary_atomic_disable' was not declared. Should it be static? drivers/staging/vboxvideo/vbox_mode.c:452:6: warning: symbol 'vbox_cursor_atomic_disable' was not declared. Should it be static? Signed-off-by: Craig Kewley <craigkewley@gmail.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
975 lines
29 KiB
C
975 lines
29 KiB
C
/*
|
|
* Copyright (C) 2013-2017 Oracle Corporation
|
|
* This file is based on ast_mode.c
|
|
* Copyright 2012 Red Hat Inc.
|
|
* Parts based on xf86-video-ast
|
|
* Copyright (c) 2005 ASPEED Technology Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
|
|
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
* USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
*/
|
|
/*
|
|
* Authors: Dave Airlie <airlied@redhat.com>
|
|
* Michael Thayer <michael.thayer@oracle.com,
|
|
* Hans de Goede <hdegoede@redhat.com>
|
|
*/
|
|
#include <linux/export.h>
|
|
#include <drm/drm_atomic.h>
|
|
#include <drm/drm_crtc_helper.h>
|
|
#include <drm/drm_plane_helper.h>
|
|
#include <drm/drm_atomic_helper.h>
|
|
|
|
#include "vbox_drv.h"
|
|
#include "vboxvideo.h"
|
|
#include "hgsmi_channels.h"
|
|
|
|
/**
|
|
* Set a graphics mode. Poke any required values into registers, do an HGSMI
|
|
* mode set and tell the host we support advanced graphics functions.
|
|
*/
|
|
static void vbox_do_modeset(struct drm_crtc *crtc)
|
|
{
|
|
struct drm_framebuffer *fb = crtc->primary->state->fb;
|
|
struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
|
|
struct vbox_private *vbox;
|
|
int width, height, bpp, pitch;
|
|
u16 flags;
|
|
s32 x_offset, y_offset;
|
|
|
|
vbox = crtc->dev->dev_private;
|
|
width = vbox_crtc->width ? vbox_crtc->width : 640;
|
|
height = vbox_crtc->height ? vbox_crtc->height : 480;
|
|
bpp = fb ? fb->format->cpp[0] * 8 : 32;
|
|
pitch = fb ? fb->pitches[0] : width * bpp / 8;
|
|
x_offset = vbox->single_framebuffer ? vbox_crtc->x : vbox_crtc->x_hint;
|
|
y_offset = vbox->single_framebuffer ? vbox_crtc->y : vbox_crtc->y_hint;
|
|
|
|
/*
|
|
* This is the old way of setting graphics modes. It assumed one screen
|
|
* and a frame-buffer at the start of video RAM. On older versions of
|
|
* VirtualBox, certain parts of the code still assume that the first
|
|
* screen is programmed this way, so try to fake it.
|
|
*/
|
|
if (vbox_crtc->crtc_id == 0 && fb &&
|
|
vbox_crtc->fb_offset / pitch < 0xffff - crtc->y &&
|
|
vbox_crtc->fb_offset % (bpp / 8) == 0) {
|
|
vbox_write_ioport(VBE_DISPI_INDEX_XRES, width);
|
|
vbox_write_ioport(VBE_DISPI_INDEX_YRES, height);
|
|
vbox_write_ioport(VBE_DISPI_INDEX_VIRT_WIDTH, pitch * 8 / bpp);
|
|
vbox_write_ioport(VBE_DISPI_INDEX_BPP, bpp);
|
|
vbox_write_ioport(VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED);
|
|
vbox_write_ioport(
|
|
VBE_DISPI_INDEX_X_OFFSET,
|
|
vbox_crtc->fb_offset % pitch / bpp * 8 + vbox_crtc->x);
|
|
vbox_write_ioport(VBE_DISPI_INDEX_Y_OFFSET,
|
|
vbox_crtc->fb_offset / pitch + vbox_crtc->y);
|
|
}
|
|
|
|
flags = VBVA_SCREEN_F_ACTIVE;
|
|
flags |= (fb && crtc->state->active) ? 0 : VBVA_SCREEN_F_BLANK;
|
|
flags |= vbox_crtc->disconnected ? VBVA_SCREEN_F_DISABLED : 0;
|
|
hgsmi_process_display_info(vbox->guest_pool, vbox_crtc->crtc_id,
|
|
x_offset, y_offset,
|
|
vbox_crtc->x * bpp / 8 +
|
|
vbox_crtc->y * pitch,
|
|
pitch, width, height, bpp, flags);
|
|
}
|
|
|
|
static int vbox_set_view(struct drm_crtc *crtc)
|
|
{
|
|
struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
|
|
struct vbox_private *vbox = crtc->dev->dev_private;
|
|
struct vbva_infoview *p;
|
|
|
|
/*
|
|
* Tell the host about the view. This design originally targeted the
|
|
* Windows XP driver architecture and assumed that each screen would
|
|
* have a dedicated frame buffer with the command buffer following it,
|
|
* the whole being a "view". The host works out which screen a command
|
|
* buffer belongs to by checking whether it is in the first view, then
|
|
* whether it is in the second and so on. The first match wins. We
|
|
* cheat around this by making the first view be the managed memory
|
|
* plus the first command buffer, the second the same plus the second
|
|
* buffer and so on.
|
|
*/
|
|
p = hgsmi_buffer_alloc(vbox->guest_pool, sizeof(*p),
|
|
HGSMI_CH_VBVA, VBVA_INFO_VIEW);
|
|
if (!p)
|
|
return -ENOMEM;
|
|
|
|
p->view_index = vbox_crtc->crtc_id;
|
|
p->view_offset = vbox_crtc->fb_offset;
|
|
p->view_size = vbox->available_vram_size - vbox_crtc->fb_offset +
|
|
vbox_crtc->crtc_id * VBVA_MIN_BUFFER_SIZE;
|
|
p->max_screen_size = vbox->available_vram_size - vbox_crtc->fb_offset;
|
|
|
|
hgsmi_buffer_submit(vbox->guest_pool, p);
|
|
hgsmi_buffer_free(vbox->guest_pool, p);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Try to map the layout of virtual screens to the range of the input device.
|
|
* Return true if we need to re-set the crtc modes due to screen offset
|
|
* changes.
|
|
*/
|
|
static bool vbox_set_up_input_mapping(struct vbox_private *vbox)
|
|
{
|
|
struct drm_crtc *crtci;
|
|
struct drm_connector *connectori;
|
|
struct drm_framebuffer *fb, *fb1 = NULL;
|
|
bool single_framebuffer = true;
|
|
bool old_single_framebuffer = vbox->single_framebuffer;
|
|
u16 width = 0, height = 0;
|
|
|
|
/*
|
|
* Are we using an X.Org-style single large frame-buffer for all crtcs?
|
|
* If so then screen layout can be deduced from the crtc offsets.
|
|
* Same fall-back if this is the fbdev frame-buffer.
|
|
*/
|
|
list_for_each_entry(crtci, &vbox->ddev.mode_config.crtc_list, head) {
|
|
fb = crtci->primary->state->fb;
|
|
if (!fb)
|
|
continue;
|
|
|
|
if (!fb1) {
|
|
fb1 = fb;
|
|
if (to_vbox_framebuffer(fb1) == &vbox->afb)
|
|
break;
|
|
} else if (fb != fb1) {
|
|
single_framebuffer = false;
|
|
}
|
|
}
|
|
if (!fb1)
|
|
return false;
|
|
|
|
if (single_framebuffer) {
|
|
vbox->single_framebuffer = true;
|
|
vbox->input_mapping_width = fb1->width;
|
|
vbox->input_mapping_height = fb1->height;
|
|
return old_single_framebuffer != vbox->single_framebuffer;
|
|
}
|
|
/* Otherwise calculate the total span of all screens. */
|
|
list_for_each_entry(connectori, &vbox->ddev.mode_config.connector_list,
|
|
head) {
|
|
struct vbox_connector *vbox_connector =
|
|
to_vbox_connector(connectori);
|
|
struct vbox_crtc *vbox_crtc = vbox_connector->vbox_crtc;
|
|
|
|
width = max_t(u16, width, vbox_crtc->x_hint +
|
|
vbox_connector->mode_hint.width);
|
|
height = max_t(u16, height, vbox_crtc->y_hint +
|
|
vbox_connector->mode_hint.height);
|
|
}
|
|
|
|
vbox->single_framebuffer = false;
|
|
vbox->input_mapping_width = width;
|
|
vbox->input_mapping_height = height;
|
|
|
|
return old_single_framebuffer != vbox->single_framebuffer;
|
|
}
|
|
|
|
static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc,
|
|
struct drm_framebuffer *fb,
|
|
struct drm_display_mode *mode,
|
|
int x, int y)
|
|
{
|
|
struct vbox_bo *bo = gem_to_vbox_bo(to_vbox_framebuffer(fb)->obj);
|
|
struct vbox_private *vbox = crtc->dev->dev_private;
|
|
struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
|
|
bool needs_modeset = drm_atomic_crtc_needs_modeset(crtc->state);
|
|
|
|
mutex_lock(&vbox->hw_mutex);
|
|
|
|
vbox_crtc->width = mode->hdisplay;
|
|
vbox_crtc->height = mode->vdisplay;
|
|
vbox_crtc->x = x;
|
|
vbox_crtc->y = y;
|
|
vbox_crtc->fb_offset = vbox_bo_gpu_offset(bo);
|
|
|
|
/* vbox_do_modeset() checks vbox->single_framebuffer so update it now */
|
|
if (needs_modeset && vbox_set_up_input_mapping(vbox)) {
|
|
struct drm_crtc *crtci;
|
|
|
|
list_for_each_entry(crtci, &vbox->ddev.mode_config.crtc_list,
|
|
head) {
|
|
if (crtci == crtc)
|
|
continue;
|
|
vbox_do_modeset(crtci);
|
|
}
|
|
}
|
|
|
|
vbox_set_view(crtc);
|
|
vbox_do_modeset(crtc);
|
|
|
|
if (needs_modeset)
|
|
hgsmi_update_input_mapping(vbox->guest_pool, 0, 0,
|
|
vbox->input_mapping_width,
|
|
vbox->input_mapping_height);
|
|
|
|
mutex_unlock(&vbox->hw_mutex);
|
|
}
|
|
|
|
static void vbox_crtc_atomic_enable(struct drm_crtc *crtc,
|
|
struct drm_crtc_state *old_crtc_state)
|
|
{
|
|
}
|
|
|
|
static void vbox_crtc_atomic_disable(struct drm_crtc *crtc,
|
|
struct drm_crtc_state *old_crtc_state)
|
|
{
|
|
}
|
|
|
|
static void vbox_crtc_atomic_flush(struct drm_crtc *crtc,
|
|
struct drm_crtc_state *old_crtc_state)
|
|
{
|
|
struct drm_pending_vblank_event *event;
|
|
unsigned long flags;
|
|
|
|
if (crtc->state && crtc->state->event) {
|
|
event = crtc->state->event;
|
|
crtc->state->event = NULL;
|
|
|
|
spin_lock_irqsave(&crtc->dev->event_lock, flags);
|
|
drm_crtc_send_vblank_event(crtc, event);
|
|
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
|
|
}
|
|
}
|
|
|
|
static const struct drm_crtc_helper_funcs vbox_crtc_helper_funcs = {
|
|
.atomic_enable = vbox_crtc_atomic_enable,
|
|
.atomic_disable = vbox_crtc_atomic_disable,
|
|
.atomic_flush = vbox_crtc_atomic_flush,
|
|
};
|
|
|
|
static void vbox_crtc_destroy(struct drm_crtc *crtc)
|
|
{
|
|
drm_crtc_cleanup(crtc);
|
|
kfree(crtc);
|
|
}
|
|
|
|
static const struct drm_crtc_funcs vbox_crtc_funcs = {
|
|
.set_config = drm_atomic_helper_set_config,
|
|
.page_flip = drm_atomic_helper_page_flip,
|
|
/* .gamma_set = vbox_crtc_gamma_set, */
|
|
.destroy = vbox_crtc_destroy,
|
|
.reset = drm_atomic_helper_crtc_reset,
|
|
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
|
|
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
|
|
};
|
|
|
|
static int vbox_primary_atomic_check(struct drm_plane *plane,
|
|
struct drm_plane_state *new_state)
|
|
{
|
|
struct drm_crtc_state *crtc_state = NULL;
|
|
|
|
if (new_state->crtc) {
|
|
crtc_state = drm_atomic_get_existing_crtc_state(
|
|
new_state->state, new_state->crtc);
|
|
if (WARN_ON(!crtc_state))
|
|
return -EINVAL;
|
|
}
|
|
|
|
return drm_atomic_helper_check_plane_state(new_state, crtc_state,
|
|
DRM_PLANE_HELPER_NO_SCALING,
|
|
DRM_PLANE_HELPER_NO_SCALING,
|
|
false, true);
|
|
}
|
|
|
|
static void vbox_primary_atomic_update(struct drm_plane *plane,
|
|
struct drm_plane_state *old_state)
|
|
{
|
|
struct drm_crtc *crtc = plane->state->crtc;
|
|
struct drm_framebuffer *fb = plane->state->fb;
|
|
|
|
vbox_crtc_set_base_and_mode(crtc, fb, &crtc->state->mode,
|
|
plane->state->src_x >> 16,
|
|
plane->state->src_y >> 16);
|
|
}
|
|
|
|
static void vbox_primary_atomic_disable(struct drm_plane *plane,
|
|
struct drm_plane_state *old_state)
|
|
{
|
|
struct drm_crtc *crtc = old_state->crtc;
|
|
|
|
/* vbox_do_modeset checks plane->state->fb and will disable if NULL */
|
|
vbox_crtc_set_base_and_mode(crtc, old_state->fb, &crtc->state->mode,
|
|
old_state->src_x >> 16,
|
|
old_state->src_y >> 16);
|
|
}
|
|
|
|
static int vbox_primary_prepare_fb(struct drm_plane *plane,
|
|
struct drm_plane_state *new_state)
|
|
{
|
|
struct vbox_bo *bo;
|
|
int ret;
|
|
|
|
if (!new_state->fb)
|
|
return 0;
|
|
|
|
bo = gem_to_vbox_bo(to_vbox_framebuffer(new_state->fb)->obj);
|
|
ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM);
|
|
if (ret)
|
|
DRM_WARN("Error %d pinning new fb, out of video mem?\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void vbox_primary_cleanup_fb(struct drm_plane *plane,
|
|
struct drm_plane_state *old_state)
|
|
{
|
|
struct vbox_bo *bo;
|
|
|
|
if (!old_state->fb)
|
|
return;
|
|
|
|
bo = gem_to_vbox_bo(to_vbox_framebuffer(old_state->fb)->obj);
|
|
vbox_bo_unpin(bo);
|
|
}
|
|
|
|
static int vbox_cursor_atomic_check(struct drm_plane *plane,
|
|
struct drm_plane_state *new_state)
|
|
{
|
|
struct drm_crtc_state *crtc_state = NULL;
|
|
u32 width = new_state->crtc_w;
|
|
u32 height = new_state->crtc_h;
|
|
int ret;
|
|
|
|
if (new_state->crtc) {
|
|
crtc_state = drm_atomic_get_existing_crtc_state(
|
|
new_state->state, new_state->crtc);
|
|
if (WARN_ON(!crtc_state))
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = drm_atomic_helper_check_plane_state(new_state, crtc_state,
|
|
DRM_PLANE_HELPER_NO_SCALING,
|
|
DRM_PLANE_HELPER_NO_SCALING,
|
|
true, true);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (!new_state->fb)
|
|
return 0;
|
|
|
|
if (width > VBOX_MAX_CURSOR_WIDTH || height > VBOX_MAX_CURSOR_HEIGHT ||
|
|
width == 0 || height == 0)
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Copy the ARGB image and generate the mask, which is needed in case the host
|
|
* does not support ARGB cursors. The mask is a 1BPP bitmap with the bit set
|
|
* if the corresponding alpha value in the ARGB image is greater than 0xF0.
|
|
*/
|
|
static void copy_cursor_image(u8 *src, u8 *dst, u32 width, u32 height,
|
|
size_t mask_size)
|
|
{
|
|
size_t line_size = (width + 7) / 8;
|
|
u32 i, j;
|
|
|
|
memcpy(dst + mask_size, src, width * height * 4);
|
|
for (i = 0; i < height; ++i)
|
|
for (j = 0; j < width; ++j)
|
|
if (((u32 *)src)[i * width + j] > 0xf0000000)
|
|
dst[i * line_size + j / 8] |= (0x80 >> (j % 8));
|
|
}
|
|
|
|
static void vbox_cursor_atomic_update(struct drm_plane *plane,
|
|
struct drm_plane_state *old_state)
|
|
{
|
|
struct vbox_private *vbox =
|
|
container_of(plane->dev, struct vbox_private, ddev);
|
|
struct vbox_crtc *vbox_crtc = to_vbox_crtc(plane->state->crtc);
|
|
struct drm_framebuffer *fb = plane->state->fb;
|
|
struct vbox_bo *bo = gem_to_vbox_bo(to_vbox_framebuffer(fb)->obj);
|
|
u32 width = plane->state->crtc_w;
|
|
u32 height = plane->state->crtc_h;
|
|
size_t data_size, mask_size;
|
|
u32 flags;
|
|
u8 *src;
|
|
|
|
/*
|
|
* VirtualBox uses the host windowing system to draw the cursor so
|
|
* moves are a no-op, we only need to upload new cursor sprites.
|
|
*/
|
|
if (fb == old_state->fb)
|
|
return;
|
|
|
|
mutex_lock(&vbox->hw_mutex);
|
|
|
|
vbox_crtc->cursor_enabled = true;
|
|
|
|
/* pinning is done in prepare/cleanup framebuffer */
|
|
src = vbox_bo_kmap(bo);
|
|
if (IS_ERR(src)) {
|
|
mutex_unlock(&vbox->hw_mutex);
|
|
DRM_WARN("Could not kmap cursor bo, skipping update\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* The mask must be calculated based on the alpha
|
|
* channel, one bit per ARGB word, and must be 32-bit
|
|
* padded.
|
|
*/
|
|
mask_size = ((width + 7) / 8 * height + 3) & ~3;
|
|
data_size = width * height * 4 + mask_size;
|
|
|
|
copy_cursor_image(src, vbox->cursor_data, width, height, mask_size);
|
|
vbox_bo_kunmap(bo);
|
|
|
|
flags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE |
|
|
VBOX_MOUSE_POINTER_ALPHA;
|
|
hgsmi_update_pointer_shape(vbox->guest_pool, flags,
|
|
min_t(u32, max(fb->hot_x, 0), width),
|
|
min_t(u32, max(fb->hot_y, 0), height),
|
|
width, height, vbox->cursor_data, data_size);
|
|
|
|
mutex_unlock(&vbox->hw_mutex);
|
|
}
|
|
|
|
static void vbox_cursor_atomic_disable(struct drm_plane *plane,
|
|
struct drm_plane_state *old_state)
|
|
{
|
|
struct vbox_private *vbox =
|
|
container_of(plane->dev, struct vbox_private, ddev);
|
|
struct vbox_crtc *vbox_crtc = to_vbox_crtc(old_state->crtc);
|
|
bool cursor_enabled = false;
|
|
struct drm_crtc *crtci;
|
|
|
|
mutex_lock(&vbox->hw_mutex);
|
|
|
|
vbox_crtc->cursor_enabled = false;
|
|
|
|
list_for_each_entry(crtci, &vbox->ddev.mode_config.crtc_list, head) {
|
|
if (to_vbox_crtc(crtci)->cursor_enabled)
|
|
cursor_enabled = true;
|
|
}
|
|
|
|
if (!cursor_enabled)
|
|
hgsmi_update_pointer_shape(vbox->guest_pool, 0, 0, 0,
|
|
0, 0, NULL, 0);
|
|
|
|
mutex_unlock(&vbox->hw_mutex);
|
|
}
|
|
|
|
static int vbox_cursor_prepare_fb(struct drm_plane *plane,
|
|
struct drm_plane_state *new_state)
|
|
{
|
|
struct vbox_bo *bo;
|
|
|
|
if (!new_state->fb)
|
|
return 0;
|
|
|
|
bo = gem_to_vbox_bo(to_vbox_framebuffer(new_state->fb)->obj);
|
|
return vbox_bo_pin(bo, TTM_PL_FLAG_SYSTEM);
|
|
}
|
|
|
|
static void vbox_cursor_cleanup_fb(struct drm_plane *plane,
|
|
struct drm_plane_state *old_state)
|
|
{
|
|
struct vbox_bo *bo;
|
|
|
|
if (!plane->state->fb)
|
|
return;
|
|
|
|
bo = gem_to_vbox_bo(to_vbox_framebuffer(plane->state->fb)->obj);
|
|
vbox_bo_unpin(bo);
|
|
}
|
|
|
|
static const uint32_t vbox_cursor_plane_formats[] = {
|
|
DRM_FORMAT_ARGB8888,
|
|
};
|
|
|
|
static const struct drm_plane_helper_funcs vbox_cursor_helper_funcs = {
|
|
.atomic_check = vbox_cursor_atomic_check,
|
|
.atomic_update = vbox_cursor_atomic_update,
|
|
.atomic_disable = vbox_cursor_atomic_disable,
|
|
.prepare_fb = vbox_cursor_prepare_fb,
|
|
.cleanup_fb = vbox_cursor_cleanup_fb,
|
|
};
|
|
|
|
static const struct drm_plane_funcs vbox_cursor_plane_funcs = {
|
|
.update_plane = drm_atomic_helper_update_plane,
|
|
.disable_plane = drm_atomic_helper_disable_plane,
|
|
.destroy = drm_primary_helper_destroy,
|
|
.reset = drm_atomic_helper_plane_reset,
|
|
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
|
|
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
|
|
};
|
|
|
|
static const uint32_t vbox_primary_plane_formats[] = {
|
|
DRM_FORMAT_XRGB8888,
|
|
DRM_FORMAT_ARGB8888,
|
|
};
|
|
|
|
static const struct drm_plane_helper_funcs vbox_primary_helper_funcs = {
|
|
.atomic_check = vbox_primary_atomic_check,
|
|
.atomic_update = vbox_primary_atomic_update,
|
|
.atomic_disable = vbox_primary_atomic_disable,
|
|
.prepare_fb = vbox_primary_prepare_fb,
|
|
.cleanup_fb = vbox_primary_cleanup_fb,
|
|
};
|
|
|
|
static const struct drm_plane_funcs vbox_primary_plane_funcs = {
|
|
.update_plane = drm_atomic_helper_update_plane,
|
|
.disable_plane = drm_atomic_helper_disable_plane,
|
|
.destroy = drm_primary_helper_destroy,
|
|
.reset = drm_atomic_helper_plane_reset,
|
|
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
|
|
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
|
|
};
|
|
|
|
static struct drm_plane *vbox_create_plane(struct vbox_private *vbox,
|
|
unsigned int possible_crtcs,
|
|
enum drm_plane_type type)
|
|
{
|
|
const struct drm_plane_helper_funcs *helper_funcs = NULL;
|
|
const struct drm_plane_funcs *funcs;
|
|
struct drm_plane *plane;
|
|
const uint32_t *formats;
|
|
int num_formats;
|
|
int err;
|
|
|
|
if (type == DRM_PLANE_TYPE_PRIMARY) {
|
|
funcs = &vbox_primary_plane_funcs;
|
|
formats = vbox_primary_plane_formats;
|
|
helper_funcs = &vbox_primary_helper_funcs;
|
|
num_formats = ARRAY_SIZE(vbox_primary_plane_formats);
|
|
} else if (type == DRM_PLANE_TYPE_CURSOR) {
|
|
funcs = &vbox_cursor_plane_funcs;
|
|
formats = vbox_cursor_plane_formats;
|
|
helper_funcs = &vbox_cursor_helper_funcs;
|
|
num_formats = ARRAY_SIZE(vbox_cursor_plane_formats);
|
|
} else {
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
plane = kzalloc(sizeof(*plane), GFP_KERNEL);
|
|
if (!plane)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
err = drm_universal_plane_init(&vbox->ddev, plane, possible_crtcs,
|
|
funcs, formats, num_formats,
|
|
NULL, type, NULL);
|
|
if (err)
|
|
goto free_plane;
|
|
|
|
drm_plane_helper_add(plane, helper_funcs);
|
|
|
|
return plane;
|
|
|
|
free_plane:
|
|
kfree(plane);
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
static struct vbox_crtc *vbox_crtc_init(struct drm_device *dev, unsigned int i)
|
|
{
|
|
struct vbox_private *vbox =
|
|
container_of(dev, struct vbox_private, ddev);
|
|
struct drm_plane *cursor = NULL;
|
|
struct vbox_crtc *vbox_crtc;
|
|
struct drm_plane *primary;
|
|
u32 caps = 0;
|
|
int ret;
|
|
|
|
ret = hgsmi_query_conf(vbox->guest_pool,
|
|
VBOX_VBVA_CONF32_CURSOR_CAPABILITIES, &caps);
|
|
if (ret)
|
|
return ERR_PTR(ret);
|
|
|
|
vbox_crtc = kzalloc(sizeof(*vbox_crtc), GFP_KERNEL);
|
|
if (!vbox_crtc)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
primary = vbox_create_plane(vbox, 1 << i, DRM_PLANE_TYPE_PRIMARY);
|
|
if (IS_ERR(primary)) {
|
|
ret = PTR_ERR(primary);
|
|
goto free_mem;
|
|
}
|
|
|
|
if ((caps & VBOX_VBVA_CURSOR_CAPABILITY_HARDWARE)) {
|
|
cursor = vbox_create_plane(vbox, 1 << i, DRM_PLANE_TYPE_CURSOR);
|
|
if (IS_ERR(cursor)) {
|
|
ret = PTR_ERR(cursor);
|
|
goto clean_primary;
|
|
}
|
|
} else {
|
|
DRM_WARN("VirtualBox host is too old, no cursor support\n");
|
|
}
|
|
|
|
vbox_crtc->crtc_id = i;
|
|
|
|
ret = drm_crtc_init_with_planes(dev, &vbox_crtc->base, primary, cursor,
|
|
&vbox_crtc_funcs, NULL);
|
|
if (ret)
|
|
goto clean_cursor;
|
|
|
|
drm_mode_crtc_set_gamma_size(&vbox_crtc->base, 256);
|
|
drm_crtc_helper_add(&vbox_crtc->base, &vbox_crtc_helper_funcs);
|
|
|
|
return vbox_crtc;
|
|
|
|
clean_cursor:
|
|
if (cursor) {
|
|
drm_plane_cleanup(cursor);
|
|
kfree(cursor);
|
|
}
|
|
clean_primary:
|
|
drm_plane_cleanup(primary);
|
|
kfree(primary);
|
|
free_mem:
|
|
kfree(vbox_crtc);
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
static void vbox_encoder_destroy(struct drm_encoder *encoder)
|
|
{
|
|
drm_encoder_cleanup(encoder);
|
|
kfree(encoder);
|
|
}
|
|
|
|
static const struct drm_encoder_funcs vbox_enc_funcs = {
|
|
.destroy = vbox_encoder_destroy,
|
|
};
|
|
|
|
static struct drm_encoder *vbox_encoder_init(struct drm_device *dev,
|
|
unsigned int i)
|
|
{
|
|
struct vbox_encoder *vbox_encoder;
|
|
|
|
vbox_encoder = kzalloc(sizeof(*vbox_encoder), GFP_KERNEL);
|
|
if (!vbox_encoder)
|
|
return NULL;
|
|
|
|
drm_encoder_init(dev, &vbox_encoder->base, &vbox_enc_funcs,
|
|
DRM_MODE_ENCODER_DAC, NULL);
|
|
|
|
vbox_encoder->base.possible_crtcs = 1 << i;
|
|
return &vbox_encoder->base;
|
|
}
|
|
|
|
/**
|
|
* Generate EDID data with a mode-unique serial number for the virtual
|
|
* monitor to try to persuade Unity that different modes correspond to
|
|
* different monitors and it should not try to force the same resolution on
|
|
* them.
|
|
*/
|
|
static void vbox_set_edid(struct drm_connector *connector, int width,
|
|
int height)
|
|
{
|
|
enum { EDID_SIZE = 128 };
|
|
unsigned char edid[EDID_SIZE] = {
|
|
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, /* header */
|
|
0x58, 0x58, /* manufacturer (VBX) */
|
|
0x00, 0x00, /* product code */
|
|
0x00, 0x00, 0x00, 0x00, /* serial number goes here */
|
|
0x01, /* week of manufacture */
|
|
0x00, /* year of manufacture */
|
|
0x01, 0x03, /* EDID version */
|
|
0x80, /* capabilities - digital */
|
|
0x00, /* horiz. res in cm, zero for projectors */
|
|
0x00, /* vert. res in cm */
|
|
0x78, /* display gamma (120 == 2.2). */
|
|
0xEE, /* features (standby, suspend, off, RGB, std */
|
|
/* colour space, preferred timing mode) */
|
|
0xEE, 0x91, 0xA3, 0x54, 0x4C, 0x99, 0x26, 0x0F, 0x50, 0x54,
|
|
/* chromaticity for standard colour space. */
|
|
0x00, 0x00, 0x00, /* no default timings */
|
|
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
|
|
0x01, 0x01,
|
|
0x01, 0x01, 0x01, 0x01, /* no standard timings */
|
|
0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x00, 0x02, 0x02,
|
|
0x02, 0x02,
|
|
/* descriptor block 1 goes below */
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
/* descriptor block 2, monitor ranges */
|
|
0x00, 0x00, 0x00, 0xFD, 0x00,
|
|
0x00, 0xC8, 0x00, 0xC8, 0x64, 0x00, 0x0A, 0x20, 0x20, 0x20,
|
|
0x20, 0x20,
|
|
/* 0-200Hz vertical, 0-200KHz horizontal, 1000MHz pixel clock */
|
|
0x20,
|
|
/* descriptor block 3, monitor name */
|
|
0x00, 0x00, 0x00, 0xFC, 0x00,
|
|
'V', 'B', 'O', 'X', ' ', 'm', 'o', 'n', 'i', 't', 'o', 'r',
|
|
'\n',
|
|
/* descriptor block 4: dummy data */
|
|
0x00, 0x00, 0x00, 0x10, 0x00,
|
|
0x0A, 0x20, 0x20, 0x20, 0x20, 0x20,
|
|
0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
|
|
0x20,
|
|
0x00, /* number of extensions */
|
|
0x00 /* checksum goes here */
|
|
};
|
|
int clock = (width + 6) * (height + 6) * 60 / 10000;
|
|
unsigned int i, sum = 0;
|
|
|
|
edid[12] = width & 0xff;
|
|
edid[13] = width >> 8;
|
|
edid[14] = height & 0xff;
|
|
edid[15] = height >> 8;
|
|
edid[54] = clock & 0xff;
|
|
edid[55] = clock >> 8;
|
|
edid[56] = width & 0xff;
|
|
edid[58] = (width >> 4) & 0xf0;
|
|
edid[59] = height & 0xff;
|
|
edid[61] = (height >> 4) & 0xf0;
|
|
for (i = 0; i < EDID_SIZE - 1; ++i)
|
|
sum += edid[i];
|
|
edid[EDID_SIZE - 1] = (0x100 - (sum & 0xFF)) & 0xFF;
|
|
drm_connector_update_edid_property(connector, (struct edid *)edid);
|
|
}
|
|
|
|
static int vbox_get_modes(struct drm_connector *connector)
|
|
{
|
|
struct vbox_connector *vbox_connector = NULL;
|
|
struct drm_display_mode *mode = NULL;
|
|
struct vbox_private *vbox = NULL;
|
|
unsigned int num_modes = 0;
|
|
int preferred_width, preferred_height;
|
|
|
|
vbox_connector = to_vbox_connector(connector);
|
|
vbox = connector->dev->dev_private;
|
|
/*
|
|
* Heuristic: we do not want to tell the host that we support dynamic
|
|
* resizing unless we feel confident that the user space client using
|
|
* the video driver can handle hot-plug events. So the first time modes
|
|
* are queried after a "master" switch we tell the host that we do not,
|
|
* and immediately after we send the client a hot-plug notification as
|
|
* a test to see if they will respond and query again.
|
|
* That is also the reason why capabilities are reported to the host at
|
|
* this place in the code rather than elsewhere.
|
|
* We need to report the flags location before reporting the IRQ
|
|
* capability.
|
|
*/
|
|
hgsmi_report_flags_location(vbox->guest_pool, GUEST_HEAP_OFFSET(vbox) +
|
|
HOST_FLAGS_OFFSET);
|
|
if (vbox_connector->vbox_crtc->crtc_id == 0)
|
|
vbox_report_caps(vbox);
|
|
if (!vbox->initial_mode_queried) {
|
|
if (vbox_connector->vbox_crtc->crtc_id == 0) {
|
|
vbox->initial_mode_queried = true;
|
|
vbox_report_hotplug(vbox);
|
|
}
|
|
return drm_add_modes_noedid(connector, 800, 600);
|
|
}
|
|
num_modes = drm_add_modes_noedid(connector, 2560, 1600);
|
|
preferred_width = vbox_connector->mode_hint.width ?
|
|
vbox_connector->mode_hint.width : 1024;
|
|
preferred_height = vbox_connector->mode_hint.height ?
|
|
vbox_connector->mode_hint.height : 768;
|
|
mode = drm_cvt_mode(connector->dev, preferred_width, preferred_height,
|
|
60, false, false, false);
|
|
if (mode) {
|
|
mode->type |= DRM_MODE_TYPE_PREFERRED;
|
|
drm_mode_probed_add(connector, mode);
|
|
++num_modes;
|
|
}
|
|
vbox_set_edid(connector, preferred_width, preferred_height);
|
|
|
|
if (vbox_connector->vbox_crtc->x_hint != -1)
|
|
drm_object_property_set_value(&connector->base,
|
|
vbox->ddev.mode_config.suggested_x_property,
|
|
vbox_connector->vbox_crtc->x_hint);
|
|
else
|
|
drm_object_property_set_value(&connector->base,
|
|
vbox->ddev.mode_config.suggested_x_property, 0);
|
|
|
|
if (vbox_connector->vbox_crtc->y_hint != -1)
|
|
drm_object_property_set_value(&connector->base,
|
|
vbox->ddev.mode_config.suggested_y_property,
|
|
vbox_connector->vbox_crtc->y_hint);
|
|
else
|
|
drm_object_property_set_value(&connector->base,
|
|
vbox->ddev.mode_config.suggested_y_property, 0);
|
|
|
|
return num_modes;
|
|
}
|
|
|
|
static void vbox_connector_destroy(struct drm_connector *connector)
|
|
{
|
|
drm_connector_unregister(connector);
|
|
drm_connector_cleanup(connector);
|
|
kfree(connector);
|
|
}
|
|
|
|
static enum drm_connector_status
|
|
vbox_connector_detect(struct drm_connector *connector, bool force)
|
|
{
|
|
struct vbox_connector *vbox_connector;
|
|
|
|
vbox_connector = to_vbox_connector(connector);
|
|
|
|
return vbox_connector->mode_hint.disconnected ?
|
|
connector_status_disconnected : connector_status_connected;
|
|
}
|
|
|
|
static int vbox_fill_modes(struct drm_connector *connector, u32 max_x,
|
|
u32 max_y)
|
|
{
|
|
struct vbox_connector *vbox_connector;
|
|
struct drm_device *dev;
|
|
struct drm_display_mode *mode, *iterator;
|
|
|
|
vbox_connector = to_vbox_connector(connector);
|
|
dev = vbox_connector->base.dev;
|
|
list_for_each_entry_safe(mode, iterator, &connector->modes, head) {
|
|
list_del(&mode->head);
|
|
drm_mode_destroy(dev, mode);
|
|
}
|
|
|
|
return drm_helper_probe_single_connector_modes(connector, max_x, max_y);
|
|
}
|
|
|
|
static const struct drm_connector_helper_funcs vbox_connector_helper_funcs = {
|
|
.get_modes = vbox_get_modes,
|
|
};
|
|
|
|
static const struct drm_connector_funcs vbox_connector_funcs = {
|
|
.detect = vbox_connector_detect,
|
|
.fill_modes = vbox_fill_modes,
|
|
.destroy = vbox_connector_destroy,
|
|
.reset = drm_atomic_helper_connector_reset,
|
|
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
|
|
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
|
|
};
|
|
|
|
static int vbox_connector_init(struct drm_device *dev,
|
|
struct vbox_crtc *vbox_crtc,
|
|
struct drm_encoder *encoder)
|
|
{
|
|
struct vbox_connector *vbox_connector;
|
|
struct drm_connector *connector;
|
|
|
|
vbox_connector = kzalloc(sizeof(*vbox_connector), GFP_KERNEL);
|
|
if (!vbox_connector)
|
|
return -ENOMEM;
|
|
|
|
connector = &vbox_connector->base;
|
|
vbox_connector->vbox_crtc = vbox_crtc;
|
|
|
|
drm_connector_init(dev, connector, &vbox_connector_funcs,
|
|
DRM_MODE_CONNECTOR_VGA);
|
|
drm_connector_helper_add(connector, &vbox_connector_helper_funcs);
|
|
|
|
connector->interlace_allowed = 0;
|
|
connector->doublescan_allowed = 0;
|
|
|
|
drm_mode_create_suggested_offset_properties(dev);
|
|
drm_object_attach_property(&connector->base,
|
|
dev->mode_config.suggested_x_property, 0);
|
|
drm_object_attach_property(&connector->base,
|
|
dev->mode_config.suggested_y_property, 0);
|
|
|
|
drm_connector_attach_encoder(connector, encoder);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct drm_framebuffer *vbox_user_framebuffer_create(
|
|
struct drm_device *dev,
|
|
struct drm_file *filp,
|
|
const struct drm_mode_fb_cmd2 *mode_cmd)
|
|
{
|
|
struct vbox_private *vbox =
|
|
container_of(dev, struct vbox_private, ddev);
|
|
struct drm_gem_object *obj;
|
|
struct vbox_framebuffer *vbox_fb;
|
|
int ret = -ENOMEM;
|
|
|
|
obj = drm_gem_object_lookup(filp, mode_cmd->handles[0]);
|
|
if (!obj)
|
|
return ERR_PTR(-ENOENT);
|
|
|
|
vbox_fb = kzalloc(sizeof(*vbox_fb), GFP_KERNEL);
|
|
if (!vbox_fb)
|
|
goto err_unref_obj;
|
|
|
|
ret = vbox_framebuffer_init(vbox, vbox_fb, mode_cmd, obj);
|
|
if (ret)
|
|
goto err_free_vbox_fb;
|
|
|
|
return &vbox_fb->base;
|
|
|
|
err_free_vbox_fb:
|
|
kfree(vbox_fb);
|
|
err_unref_obj:
|
|
drm_gem_object_put_unlocked(obj);
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
static const struct drm_mode_config_funcs vbox_mode_funcs = {
|
|
.fb_create = vbox_user_framebuffer_create,
|
|
.atomic_check = drm_atomic_helper_check,
|
|
.atomic_commit = drm_atomic_helper_commit,
|
|
};
|
|
|
|
int vbox_mode_init(struct vbox_private *vbox)
|
|
{
|
|
struct drm_device *dev = &vbox->ddev;
|
|
struct drm_encoder *encoder;
|
|
struct vbox_crtc *vbox_crtc;
|
|
unsigned int i;
|
|
int ret;
|
|
|
|
drm_mode_config_init(dev);
|
|
|
|
dev->mode_config.funcs = (void *)&vbox_mode_funcs;
|
|
dev->mode_config.min_width = 0;
|
|
dev->mode_config.min_height = 0;
|
|
dev->mode_config.preferred_depth = 24;
|
|
dev->mode_config.max_width = VBE_DISPI_MAX_XRES;
|
|
dev->mode_config.max_height = VBE_DISPI_MAX_YRES;
|
|
|
|
for (i = 0; i < vbox->num_crtcs; ++i) {
|
|
vbox_crtc = vbox_crtc_init(dev, i);
|
|
if (IS_ERR(vbox_crtc)) {
|
|
ret = PTR_ERR(vbox_crtc);
|
|
goto err_drm_mode_cleanup;
|
|
}
|
|
encoder = vbox_encoder_init(dev, i);
|
|
if (!encoder) {
|
|
ret = -ENOMEM;
|
|
goto err_drm_mode_cleanup;
|
|
}
|
|
ret = vbox_connector_init(dev, vbox_crtc, encoder);
|
|
if (ret)
|
|
goto err_drm_mode_cleanup;
|
|
}
|
|
|
|
drm_mode_config_reset(dev);
|
|
return 0;
|
|
|
|
err_drm_mode_cleanup:
|
|
drm_mode_config_cleanup(dev);
|
|
return ret;
|
|
}
|
|
|
|
void vbox_mode_fini(struct vbox_private *vbox)
|
|
{
|
|
drm_mode_config_cleanup(&vbox->ddev);
|
|
}
|