renesas/kmsxx.git - kmsxx, cloned from https://github.com/tomba/kmsxx

diff options

author	Tomi Valkeinen <tomi.valkeinen@ti.com>	2020-10-03 10:33:14 +0300
committer	Tomi Valkeinen <tomi.valkeinen@ti.com>	2020-10-03 10:33:14 +0300
commit	b2ecff3df3fec79047abe58dffeb48391e5463b9 (patch)
tree	aa2fef1823cadf9881d143bdc55b4f5c839fb319 /kms++
parent	67bc5e8a9632028f9d5f44da9eafa38f0b59dfef (diff)

py: move framebuffer functions to correct place

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

Diffstat (limited to 'kms++')

0 files changed, 0 insertions, 0 deletions

/************************************************************************** * * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * 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 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 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. * **************************************************************************/ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "internal.h" #include <sys/ioctl.h> #include "xf86drm.h" #include "libdrm.h" #include "radeon_drm.h" #define ALIGNMENT 512 struct radeon_bo { struct kms_bo base; unsigned map_count; }; static int radeon_get_prop(struct kms_driver *kms, unsigned key, unsigned *out) { switch (key) { case KMS_BO_TYPE: *out = KMS_BO_TYPE_SCANOUT_X8R8G8B8 | KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8; break; default: return -EINVAL; } return 0; } static int radeon_destroy(struct kms_driver *kms) { free(kms); return 0; } static int radeon_bo_create(struct kms_driver *kms, const unsigned width, const unsigned height, const enum kms_bo_type type, const unsigned *attr, struct kms_bo **out) { struct drm_radeon_gem_create arg; unsigned size, pitch; struct radeon_bo *bo; int i, ret; for (i = 0; attr[i]; i += 2) { switch (attr[i]) { case KMS_WIDTH: case KMS_HEIGHT: case KMS_BO_TYPE: break; default: return -EINVAL; } } switch (type) { case KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8: pitch = 4 * 64; size = 4 * 64 * 64; break; case KMS_BO_TYPE_SCANOUT_X8R8G8B8: pitch = width * 4; pitch = (pitch + ALIGNMENT - 1) & ~(ALIGNMENT - 1); size = pitch * height; break; default: return -EINVAL; } bo = calloc(1, sizeof(*bo)); if (!bo) return -ENOMEM; memset(&arg, 0, sizeof(arg)); arg.size = size; arg.alignment = ALIGNMENT; arg.initial_domain = RADEON_GEM_DOMAIN_CPU; arg.flags = 0; arg.handle = 0; ret = drmCommandWriteRead(kms->fd, DRM_RADEON_GEM_CREATE, &arg, sizeof(arg)); if (ret) goto err_free; bo->base.kms = kms; bo->base.handle = arg.handle; bo->base.size = size; bo->base.pitch = pitch; bo->base.offset = 0; bo->map_count = 0; *out = &bo->base; return 0; err_free: free(bo); return ret; } static int radeon_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out) { switch (key) { default: return -EINVAL; } } static int radeon_bo_map(struct kms_bo *_bo, void **out) { struct radeon_bo *bo = (struct radeon_bo *)_bo; struct drm_radeon_gem_mmap arg; void *map = NULL; int ret; if (bo->base.ptr) { bo->map_count++; *out = bo->base.ptr; return 0; } memset(&arg, 0, sizeof(arg)); arg.handle = bo->base.handle; arg.offset = bo->base.offset; arg.size = (uint64_t)bo->base.size; ret = drmCommandWriteRead(bo->base.kms->fd, DRM_RADEON_GEM_MMAP, &arg, sizeof(arg)); if (ret) return -errno; map = drm_mmap(0, arg.size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->base.kms->fd, arg.addr_ptr); if (map == MAP_FAILED) return -errno; bo->base.ptr = map; bo->map_count++; *out = bo->base.ptr; return 0; } static int radeon_bo_unmap(struct kms_bo *_bo) { struct radeon_bo *bo = (struct radeon_bo *)_bo; if (--bo->map_count == 0) { drm_munmap(bo->base.ptr, bo->base.size); bo->base.ptr = NULL; } return 0; } static int radeon_bo_destroy(struct kms_bo *_bo) { struct radeon_bo *bo = (struct radeon_bo *)_bo; struct drm_gem_close arg; int ret; if (bo->base.ptr) { /* XXX Sanity check map_count */ drm_munmap(bo->base.ptr, bo->base.size); bo->base.ptr = NULL; } memset(&arg, 0, sizeof(arg)); arg.handle = bo->base.handle; ret = drmIoctl(bo->base.kms->fd, DRM_IOCTL_GEM_CLOSE, &arg); if (ret) return -errno; free(bo); return 0; } int radeon_create(int fd, struct kms_driver **out) { struct kms_driver *kms; kms = calloc(1, sizeof(*kms)); if (!kms) return -ENOMEM; kms->fd = fd; kms->bo_create = radeon_bo_create; kms->bo_map = radeon_bo_map; kms->bo_unmap = radeon_bo_unmap; kms->bo_get_prop = radeon_bo_get_prop; kms->bo_destroy = radeon_bo_destroy; kms->get_prop = radeon_get_prop; kms->destroy = radeon_destroy; *out = kms; return 0; }


context:
space:
mode: