rk29: vpu: add author info

2026-06-09 04:10:18 +09:00 · 2011-08-23 17:53:01 +08:00
parent 1f0b27221f
commit ac27f0b615
4 changed files with 71 additions and 67 deletions
--- a/arch/arm/mach-rk29/include/mach/vpu_mem.h
+++ b/arch/arm/mach-rk29/include/mach/vpu_mem.h
@@ -1,6 +1,7 @@
 /* arch/arm/mach-rk29/include/mach/vpu_mem.h
 *
 * Copyright (C) 2007 Google, Inc.
+ * author: chenhengming chm@rock-chips.com
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
--- a/arch/arm/mach-rk29/include/mach/vpu_service.h
+++ b/arch/arm/mach-rk29/include/mach/vpu_service.h
@@ -1,6 +1,7 @@
 /* arch/arm/mach-rk29/include/mach/vpu_service.h
 *
 * Copyright (C) 2010 ROCKCHIP, Inc.
+ * author: chenhengming chm@rock-chips.com
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
--- a/arch/arm/mach-rk29/vpu_mem.c
+++ b/arch/arm/mach-rk29/vpu_mem.c
@@ -1,6 +1,7 @@
 /* arch/arm/mach-rk29/vpu_mem.c
 *
 * Copyright (C) 2010 ROCKCHIP, Inc.
+ * author: chenhengming chm@rock-chips.com
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
@@ -45,7 +46,7 @@

 /**
 * struct for process session which connect to vpu_mem
- * 
+ *
 * @author ChenHengming (2011-4-11)
 */
 typedef struct vpu_mem_session {
@@ -70,8 +71,8 @@ typedef struct vpu_mem_region_info {
 } vdm_region;

 /**
- * struct for region information 
- * this struct should be modified with bitmap lock 
+ * struct for region information
+ * this struct should be modified with bitmap lock
 */
 typedef struct vpu_mem_link_info {
    struct list_head session_link;      /* link to vpu_mem_session list */
@@ -101,7 +102,7 @@ typedef struct vpu_mem_info {
 	 * O_SYNC to get an uncached region */
 	unsigned cached;
 	unsigned buffered;
-	/* 
+	/*
 	 * vdm_session init only store the free region but use a vdm_session for convenience
 	 */
    vdm_session status;
@@ -124,9 +125,9 @@ static int vpu_mem_over = 0;
 #define is_free_region(x)       ((0 == (x)->used) && (0 == (x)->post))

 /**
- * vpu memory info dump: 
- * first dump global info, then dump each session info 
- * 
+ * vpu memory info dump:
+ * first dump global info, then dump each session info
+ *
 * @author ChenHengming (2011-4-20)
 */
 static void dump_status(void)
@@ -176,13 +177,13 @@ static void dump_status(void)

 /**
 * find used link in a session
- * 
+ *
 * @author ChenHengming (2011-4-18)
- * 
- * @param session 
- * @param index 
- * 
- * @return vdm_link* 
+ *
+ * @param session
+ * @param index
+ *
+ * @return vdm_link*
 */
 static vdm_link *find_used_link(vdm_session *session, int index)
 {
@@ -200,12 +201,12 @@ static vdm_link *find_used_link(vdm_session *session, int index)

 /**
 * find post link from vpu_mem's vdm_post list
- * 
+ *
 * @author ChenHengming (2011-4-18)
- * 
- * @param index 
- * 
- * @return vdm_link* 
+ *
+ * @param index
+ *
+ * @return vdm_link*
 */
 static vdm_link *find_post_link(int index)
 {
@@ -222,12 +223,12 @@ static vdm_link *find_post_link(int index)

 /**
 * find free link from vpu_mem's vdm_free list
- * 
+ *
 * @author Administrator (2011-4-19)
- * 
- * @param index 
- * 
- * @return vdm_link* 
+ *
+ * @param index
+ *
+ * @return vdm_link*
 */
 static vdm_link *find_free_link(int index)
 {
@@ -243,12 +244,12 @@ static vdm_link *find_free_link(int index)
 }
 /**
 * insert a region into the index list for search
- * 
+ *
 * @author ChenHengming (2011-4-18)
- * 
- * @param region 
- * 
- * @return int 
+ *
+ * @param region
+ *
+ * @return int
 */
 static int _insert_region_index(vdm_region *region)
 {
@@ -281,10 +282,10 @@ static int _insert_region_index(vdm_region *region)

 /**
 * insert a link into vdm_free list, indexed by vdm_link->index
- * 
+ *
 * @author ChenHengming (2011-4-20)
- * 
- * @param link 
+ *
+ * @param link
 */
 static void _insert_link_status_free(vdm_link *link)
 {
@@ -498,15 +499,15 @@ static void put_post_link(vdm_link *link, vdm_session *session)
 }

 /**
- * Create a link and a region by index and pfn at a same time, 
- * and connect the link with the region 
- * 
+ * Create a link and a region by index and pfn at a same time,
+ * and connect the link with the region
+ *
 * @author ChenHengming (2011-4-20)
- * 
- * @param index 
- * @param pfn 
- * 
- * @return vdm_link* 
+ *
+ * @param index
+ * @param pfn
+ *
+ * @return vdm_link*
 */
 static vdm_link *new_link_by_index(int index, int pfn)
 {
@@ -543,14 +544,14 @@ static vdm_link *new_link_by_index(int index, int pfn)
 }

 /**
- * Create a link from a already exist region and connect to the 
- * region 
- * 
+ * Create a link from a already exist region and connect to the
+ * region
+ *
 * @author ChenHengming (2011-4-20)
- * 
- * @param region 
- * 
- * @return vdm_link* 
+ *
+ * @param region
+ *
+ * @return vdm_link*
 */
 static vdm_link *new_link_by_region(vdm_region *region)
 {
@@ -573,10 +574,10 @@ static vdm_link *new_link_by_region(vdm_region *region)

 /**
 * Delete a link completely
- * 
+ *
 * @author ChenHengming (2011-4-20)
- * 
- * @param link 
+ *
+ * @param link
 */
 static void link_del(vdm_link *link)
 {
@@ -586,16 +587,16 @@ static void link_del(vdm_link *link)
 }

 /**
- * Called by malloc, check whether a free link can by used for a 
- * len of pfn, if can then put a used link to status link 
- * 
+ * Called by malloc, check whether a free link can by used for a
+ * len of pfn, if can then put a used link to status link
+ *
 * @author ChenHengming (2011-4-20)
- * 
- * @param link 
- * @param session 
- * @param pfn 
- * 
- * @return vdm_link* 
+ *
+ * @param link
+ * @param session
+ * @param pfn
+ *
+ * @return vdm_link*
 */
 static vdm_link *get_used_link_from_free_link(vdm_link *link, vdm_session *session, int pfn)
 {
@@ -872,7 +873,7 @@ static int vpu_mem_open(struct inode *inode, struct file *file)
 {
    vdm_session *session;
    int ret = 0;
-    
+
    DLOG("current %u file %p(%d)\n", current->pid, file, (int)file_count(file));
    /* setup file->private_data to indicate its unmapped */
    /*  you can only open a vpu_mem device one time */
@@ -886,9 +887,9 @@ static int vpu_mem_open(struct inode *inode, struct file *file)
    session->pid = current->pid;
    INIT_LIST_HEAD(&session->list_post);
    INIT_LIST_HEAD(&session->list_used);
-    
+
    file->private_data = session;
-    
+
    down_write(&vdm_rwsem);
    list_add_tail(&session->list_session, &vdm_proc);
    up_write(&vdm_rwsem);
@@ -982,7 +983,7 @@ static int vpu_mem_release(struct inode *inode, struct file *file)
 static long vpu_mem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
    long index, ret = 0;
-    
+
 	switch (cmd) {
 	case VPU_MEM_GET_PHYS:
 		DLOG("get_phys\n");
@@ -1119,13 +1120,13 @@ int vpu_mem_setup(struct vpu_mem_platform_data *pdata)
    vpu_mem.dev.name = pdata->name;
    vpu_mem.dev.minor = MISC_DYNAMIC_MINOR;
    vpu_mem.dev.fops = &vpu_mem_fops;
-    
+
    err = misc_register(&vpu_mem.dev);
    if (err) {
        printk(KERN_ALERT "Unable to register vpu_mem driver!\n");
        goto err_cant_register_device;
    }
-    
+
    vpu_mem.num_entries = vpu_mem.size / VPU_MEM_MIN_ALLOC;

    tmp = new_link_by_index(0, vpu_mem.num_entries);
@@ -1144,10 +1145,10 @@ int vpu_mem_setup(struct vpu_mem_platform_data *pdata)
    #endif
    else
        vpu_mem.vbase = ioremap(vpu_mem.base, vpu_mem.size);
-    
+
    if (vpu_mem.vbase == 0)
        goto error_cant_remap;
-    
+
    #if VPU_MEM_DEBUG
    debugfs_create_file(pdata->name, S_IFREG | S_IRUGO, NULL, (void *)vpu_mem.dev.minor,
                        &debug_fops);
@@ -1263,7 +1264,7 @@ static int proc_vpu_mem_show(struct seq_file *s, void *v)
                    link->index, link->pfn, link->link_used, link->link_post);
            }
        }
-    
+
        // <20><>ӡ vpu_mem_info <20>е<EFBFBD>ȫ<EFBFBD><C8AB> session <20><> region ռ<><D5BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        list_for_each_entry_safe(session, tmp_session, &vdm_proc, list_session) {
            seq_printf(s, "\npid: %d\n", session->pid);
--- a/arch/arm/mach-rk29/vpu_service.c
+++ b/arch/arm/mach-rk29/vpu_service.c
@@ -1,6 +1,7 @@
 /* arch/arm/mach-rk29/vpu.c
 *
 * Copyright (C) 2010 ROCKCHIP, Inc.
+ * author: chenhengming chm@rock-chips.com
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and