diff options
Diffstat (limited to 'src/drmmode_kirin/drmmode_kirin.c')
-rw-r--r-- | src/drmmode_kirin/drmmode_kirin.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/drmmode_kirin/drmmode_kirin.c b/src/drmmode_kirin/drmmode_kirin.c new file mode 100644 index 0000000..f956a9b --- /dev/null +++ b/src/drmmode_kirin/drmmode_kirin.c @@ -0,0 +1,95 @@ +/* + * Copyright © 2016 Linaro Limited. + * Copyright © 2016 Hisilicon Limited. + * + * 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, +sublicense, + * 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 above copyright notice and this permission notice (including the +next + * paragraph) shall be included in all copies or substantial portions +of the + * Software. + * + * 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 NONINFRINGEMENT. IN NO EVENT +SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + */ + +#include <xf86drm.h> +#include "../drmmode_driver.h" + +/* Cursor dimensions + * Technically we probably don't have any size limit.. since we + * are just using an overlay... but xserver will always create + * cursor images in the max size, so don't use width/height values + * that are too big + */ +/* width */ +#define CURSORW (64) +/* height */ +#define CURSORH (64) +/* Padding added down each side of cursor image */ +#define CURSORPAD (0) + +#define ALIGN(val, align) (((val) + (align) - 1) & ~((align) - 1)) + +static int create_custom_gem(int fd, struct armsoc_create_gem *create_gem) +{ + struct drm_mode_create_dumb arg; + unsigned int pitch; + int ret; + + /* For 32bpp mali 450GPU needs pitch 8 bytes alignment */ + pitch = ALIGN(create_gem->width * ((create_gem->bpp + 7) / 8), 8); + memset(&arg, 0, sizeof(arg)); + arg.width = create_gem->width; + arg.height = create_gem->height; + arg.bpp = create_gem->bpp; + arg.pitch = pitch; + arg.size = pitch * create_gem->height; + + ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg); + if (ret) + return ret; + + create_gem->handle = arg.handle; + create_gem->pitch = arg.pitch; + create_gem->size = arg.size; + + return 0; +} + +struct drmmode_interface kirin_interface = { + "kirin" /* name of drm driver */, + 1 /* use_page_flip_events */, + 1 /* use_early_display */, + CURSORW /* cursor width */, + CURSORH /* cursor_height */, + CURSORPAD /* cursor padding */, + HWCURSOR_API_NONE /* software cursor */, + NULL /* no plane for cursor */, + 0 /* vblank_query_supported */, + create_custom_gem /* create_custom_gem */, +}; + |