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gsl: add/improve ioctl entry/exit debugging, but disable it.

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This commit is contained in:
Matt Sealey
2011-12-15 13:37:26 -06:00
parent 38e736cbad
commit fe21c0fe94
1 changed files with 147 additions and 50 deletions
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197
drivers/mxc/amd-gpu/gsl_kmod.c
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@@ -15,7 +15,7 @@
* 02110-1301, USA.
*
*/
#include "gsl_types.h"
#include "gsl.h"
#include "gsl_buildconfig.h"
@@ -41,6 +41,8 @@
#include <linux/fsl_devices.h>
//#define GSL_IOCTL_DEBUG
int gpu_2d_irq, gpu_3d_irq;
phys_addr_t gpu_2d_regbase;
@@ -101,6 +103,10 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_DEVICE_START:
{
kgsl_device_start_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_START\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_start_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -113,6 +119,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_DEVICE_STOP:
{
kgsl_device_stop_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_STOP\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_stop_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -125,6 +134,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_DEVICE_IDLE:
{
kgsl_device_idle_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_IDLE\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_idle_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -137,6 +149,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_DEVICE_ISIDLE:
{
kgsl_device_isidle_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_ISIDLE\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_isidle_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -150,6 +165,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_device_getproperty_t param;
void *tmp;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_GETPROPERTY\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_getproperty_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -184,6 +202,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_DEVICE_SETPROPERTY:
{
kgsl_device_setproperty_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_SETPROPERTY\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_setproperty_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -201,6 +222,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_device_regread_t param;
unsigned int tmp;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_REGREAD\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_regread_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -222,6 +246,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_DEVICE_REGWRITE:
{
kgsl_device_regwrite_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_REGWRITE\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_regwrite_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -236,7 +263,7 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
kgsl_device_waitirq_t param;
unsigned int count;
printk(KERN_ERR "IOCTL_KGSL_DEVICE_WAITIRQ obsoleted!\n");
printk(KERN_ERR "%s: IOCTL_KGSL_DEVICE_WAITIRQ obsoleted!\n", __func__);
// kgslStatus = -ENOTTY; break;
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_waitirq_t)))
@@ -261,6 +288,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_cmdstream_issueibcmds_t param;
gsl_timestamp_t tmp;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_CMDSTREAM_ISSUEIBCMDS\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_cmdstream_issueibcmds_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -283,6 +313,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_cmdstream_readtimestamp_t param;
gsl_timestamp_t tmp;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_CMDSTREAM_READTIMESTAMP\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_cmdstream_readtimestamp_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -303,6 +336,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
int err;
kgsl_cmdstream_freememontimestamp_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_CMDSTREAM_FREEMEMONTIMESTAMP\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_cmdstream_freememontimestamp_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -329,6 +365,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_CMDSTREAM_WAITTIMESTAMP:
{
kgsl_cmdstream_waittimestamp_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_CMDSTREAM_WAITTIMESTAMP\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_cmdstream_waittimestamp_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -341,6 +380,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_CMDWINDOW_WRITE:
{
kgsl_cmdwindow_write_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_CMDWINDOW_WRITE\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_cmdwindow_write_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -356,6 +398,10 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
unsigned int tmp;
int tmpStatus;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_CONTEXT_CREATE\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_context_create_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -388,6 +434,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_CONTEXT_DESTROY:
{
kgsl_context_destroy_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_CONTEXT_DESTROY\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_context_destroy_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -401,6 +450,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
case IOCTL_KGSL_DRAWCTXT_BIND_GMEM_SHADOW:
{
kgsl_drawctxt_bind_gmem_shadow_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DRAWCTX_BIND_GMEM_SHADOW\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_drawctxt_bind_gmem_shadow_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -415,6 +467,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
kgsl_sharedmem_alloc_t param;
gsl_memdesc_t tmp;
int tmpStatus;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_SHAREDMEM_ALLOC\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_sharedmem_alloc_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -444,6 +499,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
kgsl_sharedmem_free_t param;
gsl_memdesc_t tmp;
int err;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_SHAREDMEM_FREE\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_sharedmem_free_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -479,6 +537,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_sharedmem_read_t param;
gsl_memdesc_t memdesc;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_SHAREDMEM_READ\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_sharedmem_read_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -502,6 +563,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_sharedmem_write_t param;
gsl_memdesc_t memdesc;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_SHAREDMEM_WRITE\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_sharedmem_write_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -519,13 +583,16 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
printk(KERN_ERR "%s: kgsl_sharedmem_write failed\n", __func__);
}
break;
}
case IOCTL_KGSL_SHAREDMEM_SET:
{
kgsl_sharedmem_set_t param;
gsl_memdesc_t memdesc;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_SHAREDMEM_SET\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_sharedmem_set_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -545,7 +612,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_sharedmem_largestfreeblock_t param;
unsigned int largestfreeblock;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_SHAREDMEM_LARGESTFREEBLOCK\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_sharedmem_largestfreeblock_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -566,6 +635,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_sharedmem_cacheoperation_t param;
gsl_memdesc_t memdesc;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_SHAREDMEM_CACHEOPERATION\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_sharedmem_cacheoperation_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -585,6 +657,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_sharedmem_fromhostpointer_t param;
gsl_memdesc_t memdesc;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_SHAREDMEM_FROMHOSTPOINTER\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_sharedmem_fromhostpointer_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -604,6 +679,9 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
{
kgsl_add_timestamp_t param;
gsl_timestamp_t tmp;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_ADD_TIMESTAMP\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_add_timestamp_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -620,10 +698,13 @@ static int gsl_kmod_ioctl(struct inode *inode, struct file *fd, unsigned int cmd
kgslStatus = GSL_SUCCESS;
break;
}
case IOCTL_KGSL_DEVICE_CLOCK:
{
kgsl_device_clock_t param;
#if defined(GSL_IOCTL_DEBUG)
printk(KERN_INFO "--> %s: IOCTL_KGSL_DEVICE_CLOCK\n", __func__);
#endif
if (copy_from_user(&param, (void __user *)arg, sizeof(kgsl_device_clock_t)))
{
printk(KERN_ERR "%s: copy_from_user error\n", __func__);
@@ -765,7 +846,6 @@ static irqreturn_t z430_irq_handler(int irq, void *dev_id)
static int gpu_probe(struct platform_device *pdev)
{
int i;
struct resource *res;
struct device *dev;
struct mxc_gpu_platform_data *gpu_data = NULL;
@@ -778,48 +858,55 @@ static int gpu_probe(struct platform_device *pdev)
z160_version = gpu_data->z160_revision;
enable_mmu = gpu_data->enable_mmu;
for(i = 0; i < 2; i++){
res = platform_get_resource(pdev, IORESOURCE_IRQ, i);
if (!res) {
if (i == 0) {
printk(KERN_ERR "gpu: unable to get gpu irq\n");
return -ENODEV;
} else {
break;
}
}
if(strcmp(res->name, "gpu_2d_irq") == 0){
gpu_2d_irq = res->start;
}else if(strcmp(res->name, "gpu_3d_irq") == 0){
gpu_3d_irq = res->start;
}
res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "gpu_2d_irq");
if (!res) {
printk(KERN_ERR "gpu: unable to find 2D gpu irq\n");
goto nodev;
} else {
gpu_2d_irq = res->start;
}
for(i = 0; i < 4; i++){
res = platform_get_resource(pdev, IORESOURCE_MEM, i);
if (!res) {
gpu_2d_regbase = 0;
gpu_2d_regsize = 0;
gpu_3d_regbase = 0;
gpu_2d_regsize = 0;
gmem_size = 0;
gpu_reserved_mem = 0;
gpu_reserved_mem_size = 0;
break;
}else{
if(strcmp(res->name, "gpu_2d_registers") == 0){
gpu_2d_regbase = res->start;
gpu_2d_regsize = res->end - res->start + 1;
}else if(strcmp(res->name, "gpu_3d_registers") == 0){
gpu_3d_regbase = res->start;
gpu_3d_regsize = res->end - res->start + 1;
}else if(strcmp(res->name, "gpu_graphics_mem") == 0){
gmem_size = res->end - res->start + 1;
}else if(strcmp(res->name, "gpu_reserved_mem") == 0){
gpu_reserved_mem = res->start;
gpu_reserved_mem_size = res->end - res->start + 1;
}
}
res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "gpu_3d_irq");
if (!res) {
printk(KERN_ERR "gpu: unable to find 3D gpu irq\n");
goto nodev;
} else {
gpu_3d_irq = res->start;
}
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpu_2d_registers");
if (!res) {
printk(KERN_ERR "gpu: unable to find 2D gpu registers\n");
goto nodev;
} else {
gpu_2d_regbase = res->start;
gpu_2d_regsize = res->end - res->start + 1;
}
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpu_3d_registers");
if (!res) {
printk(KERN_ERR "gpu: unable to find 2D gpu registers\n");
goto nodev;
} else {
gpu_3d_regbase = res->start;
gpu_3d_regsize = res->end - res->start + 1;
}
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpu_graphics_mem");
if (!res) {
printk(KERN_ERR "gpu: unable to find gpu graphics memory\n");
goto nodev;
} else {
gmem_size = res->end - res->start + 1;
}
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpu_reserved_mem");
if (!res) {
printk(KERN_ERR "gpu: unable to find gpu reserved memory\n");
goto nodev;
} else {
gpu_reserved_mem = res->start;
gpu_reserved_mem = res->end - res->start + 1;
}
if (gpu_3d_irq > 0)
@@ -864,7 +951,7 @@ static int gpu_probe(struct platform_device *pdev)
#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28))
dev = device_create(gsl_kmod_class, NULL, MKDEV(gsl_kmod_major, 0), "gsl_kmod");
#else
dev = device_create(gsl_kmod_class, NULL, MKDEV(gsl_kmod_major, 0), NULL,"gsl_kmod");
dev = device_create(gsl_kmod_class, NULL, MKDEV(gsl_kmod_major, 0), NULL, "gsl_kmod");
#endif
if (!IS_ERR(dev))
@@ -890,7 +977,17 @@ kgsl_driver_init_error:
free_irq(gpu_3d_irq, NULL);
}
request_irq_error:
return 0; // TODO: return proper error code
return -ENXIO;
nodev:
gpu_2d_regbase = 0;
gpu_2d_regsize = 0;
gpu_3d_regbase = 0;
gpu_2d_regsize = 0;
gmem_size = 0;
gpu_reserved_mem = 0;
gpu_reserved_mem_size = 0;
return -ENODEV;
}
static int gpu_remove(struct platform_device *pdev)
@@ -927,7 +1024,7 @@ static int gpu_suspend(struct platform_device *pdev, pm_message_t state)
GSL_PROP_DEVICE_POWER,
&power,
sizeof(gsl_powerprop_t));
}
}
return 0;
}
@@ -945,7 +1042,7 @@ static int gpu_resume(struct platform_device *pdev)
GSL_PROP_DEVICE_POWER,
&power,
sizeof(gsl_powerprop_t));
}
}
return 0;
}