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-rw-r--r--src/vpu_io.c79
1 files changed, 46 insertions, 33 deletions
diff --git a/src/vpu_io.c b/src/vpu_io.c
index 6bf9ee4..5c8765c 100644
--- a/src/vpu_io.c
+++ b/src/vpu_io.c
@@ -45,12 +45,14 @@ unsigned int system_rev;
int IOSystemShutdown(void);
-int isVpuInitialized(void)
+int
+isVpuInitialized(void)
{
return VpuReadReg(BIT_CUR_PC) != 0;
}
-static int get_system_rev()
+static int
+get_system_rev()
{
FILE *fp;
char buf[1024];
@@ -64,9 +66,9 @@ static int get_system_rev()
return ret;
}
- nread = fread(buf, 1, sizeof(buf), fp);
+ nread = fread(buf, 1, sizeof (buf), fp);
fclose(fp);
- if ((nread == 0) || (nread == sizeof(buf))) {
+ if ((nread == 0) || (nread == sizeof (buf))) {
fclose(fp);
return ret;
}
@@ -87,9 +89,10 @@ static int get_system_rev()
}
/* make consideration for both register and physical mem access */
-inline unsigned long *reg_map(unsigned long offset)
+inline unsigned long *
+reg_map(unsigned long offset)
{
- return (unsigned long *)(offset + (unsigned long)vpu_reg_base);
+ return (unsigned long *) (offset + (unsigned long) vpu_reg_base);
}
/*!
@@ -106,7 +109,8 @@ inline unsigned long *reg_map(unsigned long offset)
* @li 0 System initialization success.
* @li -1 System initialization failure.
*/
-int IOSystemInit(void *callback)
+int
+IOSystemInit(void *callback)
{
int ret;
@@ -126,11 +130,11 @@ int IOSystemInit(void *callback)
return -1;
}
- vpu_reg_base = (unsigned long)mmap(NULL, BIT_REG_MARGIN,
- PROT_READ | PROT_WRITE,
- MAP_SHARED, vpu_fd, 0);
+ vpu_reg_base = (unsigned long) mmap(NULL, BIT_REG_MARGIN,
+ PROT_READ | PROT_WRITE,
+ MAP_SHARED, vpu_fd, 0);
- if ((void *)vpu_reg_base == MAP_FAILED) {
+ if ((void *) vpu_reg_base == MAP_FAILED) {
printf("Can't map register\n");
close(vpu_fd);
vpu_fd = -1;
@@ -138,7 +142,7 @@ int IOSystemInit(void *callback)
}
bit_work_addr.size = WORK_BUF_SIZE + PARA_BUF_SIZE +
- CODE_BUF_SIZE + PARA_BUF2_SIZE;
+ CODE_BUF_SIZE + PARA_BUF2_SIZE;
if (IOGetPhyMem(&bit_work_addr) != 0)
goto err;
@@ -169,14 +173,15 @@ int IOSystemInit(void *callback)
* @li 0 System shutting down success.
* @li -1 System shutting down failure.
*/
-int IOSystemShutdown(void)
+int
+IOSystemShutdown(void)
{
IOFreeVirtMem(&bit_work_addr);
IOFreePhyMem(&bit_work_addr);
VpuWriteReg(BIT_INT_ENABLE, 0); /* PIC_RUN irq disable */
- if (munmap((void *)vpu_reg_base, BIT_REG_MARGIN) != 0)
+ if (munmap((void *) vpu_reg_base, BIT_REG_MARGIN) != 0)
printf("munmap failed\n");
if (vpu_fd >= 0) {
@@ -187,18 +192,20 @@ int IOSystemShutdown(void)
return 0;
}
-unsigned long VpuWriteReg(unsigned long addr, unsigned int data)
+unsigned long
+VpuWriteReg(unsigned long addr, unsigned int data)
{
unsigned long *reg_addr = reg_map(addr);
- *(volatile unsigned long *)reg_addr = data;
+ *(volatile unsigned long *) reg_addr = data;
return 0;
}
-unsigned long VpuReadReg(unsigned long addr)
+unsigned long
+VpuReadReg(unsigned long addr)
{
unsigned long *reg_addr = reg_map(addr);
- return *(volatile unsigned long *)reg_addr;
+ return *(volatile unsigned long *) reg_addr;
}
/*!
@@ -219,7 +226,8 @@ unsigned long VpuReadReg(unsigned long addr)
* @li -1 Allocation memory failure.
*/
static unsigned int sz_alloc;
-int IOGetPhyMem(vpu_mem_desc * buff)
+int
+IOGetPhyMem(vpu_mem_desc * buff)
{
if (ioctl(vpu_fd, VPU_IOC_PHYMEM_ALLOC, buff) < 0) {
printf("mem allocation failed!\n");
@@ -246,7 +254,8 @@ int IOGetPhyMem(vpu_mem_desc * buff)
* @li 0 Freeing memory success.
* @li -1 Freeing memory failure.
*/
-int IOFreePhyMem(vpu_mem_desc * buff)
+int
+IOFreePhyMem(vpu_mem_desc * buff)
{
if (buff->phy_addr != 0) {
dprintf(3, "%s: phy addr = %08lx\n", __func__, buff->phy_addr);
@@ -265,13 +274,14 @@ int IOFreePhyMem(vpu_mem_desc * buff)
*
* @return user space address.
*/
-int IOGetVirtMem(vpu_mem_desc * buff)
+int
+IOGetVirtMem(vpu_mem_desc * buff)
{
unsigned long va_addr;
- va_addr = (unsigned long)mmap(NULL, buff->size, PROT_READ | PROT_WRITE,
- MAP_SHARED, vpu_fd, buff->phy_addr);
- if ((void *)va_addr == MAP_FAILED) {
+ va_addr = (unsigned long) mmap(NULL, buff->size, PROT_READ | PROT_WRITE,
+ MAP_SHARED, vpu_fd, buff->phy_addr);
+ if ((void *) va_addr == MAP_FAILED) {
buff->virt_uaddr = 0;
return -1;
}
@@ -289,10 +299,11 @@ int IOGetVirtMem(vpu_mem_desc * buff)
* @li 0 Success
* @li Others Failure
*/
-int IOFreeVirtMem(vpu_mem_desc * buff)
+int
+IOFreeVirtMem(vpu_mem_desc * buff)
{
if (buff->virt_uaddr != 0) {
- if (munmap((void *)buff->virt_uaddr, buff->size) != 0)
+ if (munmap((void *) buff->virt_uaddr, buff->size) != 0)
printf("munmap failed\n");
}
@@ -300,7 +311,8 @@ int IOFreeVirtMem(vpu_mem_desc * buff)
return 0;
}
-int IOWaitForInt(int timeout_in_ms)
+int
+IOWaitForInt(int timeout_in_ms)
{
int ret = 0;
if (timeout_in_ms < 0) {
@@ -321,7 +333,8 @@ int IOWaitForInt(int timeout_in_ms)
* @li 0 Success
* @li Others Failure
*/
-int IOLHD(int disable)
+int
+IOLHD(int disable)
{
int ret = 0;
if (disable < 0) {
@@ -332,7 +345,7 @@ int IOLHD(int disable)
printf("File Descriptor is not valid.\n");
}
- ret= ioctl(vpu_fd, VPU_IOC_LHD, disable);
+ ret = ioctl(vpu_fd, VPU_IOC_LHD, disable);
return ret;
}
@@ -341,13 +354,13 @@ int IOLHD(int disable)
* @brief
* When the system starts up, resetting is needed in advance.
*/
-void ResetVpu(void)
+void
+ResetVpu(void)
{
unsigned long *reg_addr = reg_map(BIT_CODE_RESET);
- (*(volatile unsigned long *)reg_addr) |= 0x1;
+ (*(volatile unsigned long *) reg_addr) |= 0x1;
usleep(10);
- (*(volatile unsigned long *)reg_addr) &= ~0x1;
+ (*(volatile unsigned long *) reg_addr) &= ~0x1;
return;
}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-03 21:18:29 +0000