From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G

---
 kernel/include/drm/drm_gem_cma_helper.h |   91 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 90 insertions(+), 1 deletions(-)

diff --git a/kernel/include/drm/drm_gem_cma_helper.h b/kernel/include/drm/drm_gem_cma_helper.h
index 1977714..2bfa250 100644
--- a/kernel/include/drm/drm_gem_cma_helper.h
+++ b/kernel/include/drm/drm_gem_cma_helper.h
@@ -2,8 +2,11 @@
 #ifndef __DRM_GEM_CMA_HELPER_H__
 #define __DRM_GEM_CMA_HELPER_H__
 
-#include <drm/drmP.h>
+#include <drm/drm_file.h>
+#include <drm/drm_ioctl.h>
 #include <drm/drm_gem.h>
+
+struct drm_mode_create_dumb;
 
 /**
  * struct drm_gem_cma_object - GEM object backed by CMA memory allocations
@@ -103,4 +106,90 @@
 void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj);
 void drm_gem_cma_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
 
+struct drm_gem_object *
+drm_gem_cma_create_object_default_funcs(struct drm_device *dev, size_t size);
+
+/**
+ * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE - CMA GEM driver operations
+ * @dumb_create_func: callback function for .dumb_create
+ *
+ * This macro provides a shortcut for setting the default GEM operations in the
+ * &drm_driver structure.
+ *
+ * This macro is a variant of DRM_GEM_CMA_DRIVER_OPS for drivers that
+ * override the default implementation of &struct rm_driver.dumb_create. Use
+ * DRM_GEM_CMA_DRIVER_OPS if possible. Drivers that require a virtual address
+ * on imported buffers should use
+ * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead.
+ */
+#define DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(dumb_create_func) \
+	.gem_create_object	= drm_gem_cma_create_object_default_funcs, \
+	.dumb_create		= (dumb_create_func), \
+	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, \
+	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle, \
+	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, \
+	.gem_prime_mmap		= drm_gem_cma_prime_mmap
+
+/**
+ * DRM_GEM_CMA_DRIVER_OPS - CMA GEM driver operations
+ *
+ * This macro provides a shortcut for setting the default GEM operations in the
+ * &drm_driver structure.
+ *
+ * Drivers that come with their own implementation of
+ * &struct drm_driver.dumb_create should use
+ * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() instead. Use
+ * DRM_GEM_CMA_DRIVER_OPS if possible. Drivers that require a virtual address
+ * on imported buffers should use DRM_GEM_CMA_DRIVER_OPS_VMAP instead.
+ */
+#define DRM_GEM_CMA_DRIVER_OPS \
+	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_gem_cma_dumb_create)
+
+/**
+ * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE - CMA GEM driver operations
+ *                                                ensuring a virtual address
+ *                                                on the buffer
+ * @dumb_create_func: callback function for .dumb_create
+ *
+ * This macro provides a shortcut for setting the default GEM operations in the
+ * &drm_driver structure for drivers that need the virtual address also on
+ * imported buffers.
+ *
+ * This macro is a variant of DRM_GEM_CMA_DRIVER_OPS_VMAP for drivers that
+ * override the default implementation of &struct drm_driver.dumb_create. Use
+ * DRM_GEM_CMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
+ * virtual address on imported buffers should use
+ * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() instead.
+ */
+#define DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(dumb_create_func) \
+	.gem_create_object	= drm_gem_cma_create_object_default_funcs, \
+	.dumb_create		= dumb_create_func, \
+	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, \
+	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle, \
+	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table_vmap, \
+	.gem_prime_mmap		= drm_gem_prime_mmap
+
+/**
+ * DRM_GEM_CMA_DRIVER_OPS_VMAP - CMA GEM driver operations ensuring a virtual
+ *                               address on the buffer
+ *
+ * This macro provides a shortcut for setting the default GEM operations in the
+ * &drm_driver structure for drivers that need the virtual address also on
+ * imported buffers.
+ *
+ * Drivers that come with their own implementation of
+ * &struct drm_driver.dumb_create should use
+ * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead. Use
+ * DRM_GEM_CMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
+ * virtual address on imported buffers should use DRM_GEM_CMA_DRIVER_OPS
+ * instead.
+ */
+#define DRM_GEM_CMA_DRIVER_OPS_VMAP \
+	DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(drm_gem_cma_dumb_create)
+
+struct drm_gem_object *
+drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *drm,
+				       struct dma_buf_attachment *attach,
+				       struct sg_table *sgt);
+
 #endif /* __DRM_GEM_CMA_HELPER_H__ */

--
Gitblit v1.6.2