summaryrefslogtreecommitdiff
path: root/drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod.c')
-rw-r--r--drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod.c103
1 files changed, 56 insertions, 47 deletions
diff --git a/drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod.c b/drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod.c
index bef8684ad131..30f783e1cf12 100644
--- a/drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod.c
+++ b/drivers/mxc/amd-gpu/platform/hal/linux/gsl_kmod.c
@@ -39,7 +39,7 @@
#include <linux/platform_device.h>
#include <linux/vmalloc.h>
-int gpu_2d_irq, gpu_3d_irq;
+static int gpu_2d_irq, gpu_3d_irq;
phys_addr_t gpu_2d_regbase;
int gpu_2d_regsize;
@@ -48,7 +48,6 @@ int gpu_3d_regsize;
int gmem_size;
phys_addr_t gpu_reserved_mem;
int gpu_reserved_mem_size;
-int z160_version;
static ssize_t gsl_kmod_read(struct file *fd, char __user *buf, size_t len, loff_t *ptr);
static ssize_t gsl_kmod_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr);
@@ -58,7 +57,9 @@ static int gsl_kmod_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
static int gsl_kmod_open(struct inode *inode, struct file *fd);
static int gsl_kmod_release(struct inode *inode, struct file *fd);
static irqreturn_t z160_irq_handler(int irq, void *dev_id);
+#if defined(MX51)
static irqreturn_t z430_irq_handler(int irq, void *dev_id);
+#endif
static int gsl_kmod_major;
static struct class *gsl_kmod_class;
@@ -633,24 +634,34 @@ static int gsl_kmod_mmap(struct file *fd, struct vm_area_struct *vma)
unsigned long pfn = vma->vm_pgoff;
unsigned long size = vma->vm_end - vma->vm_start;
unsigned long prot = pgprot_writecombine(vma->vm_page_prot);
- unsigned long addr = vma->vm_pgoff << PAGE_SHIFT;
- void *va = NULL;
-
- if (gsl_driver.enable_mmu && (addr < GSL_LINUX_MAP_RANGE_END) && (addr >= GSL_LINUX_MAP_RANGE_START)) {
- va = gsl_linux_map_find(addr);
- while (size > 0) {
- if (remap_pfn_range(vma, start, vmalloc_to_pfn(va), PAGE_SIZE, prot)) {
- return -EAGAIN;
- }
- start += PAGE_SIZE;
- va += PAGE_SIZE;
- size -= PAGE_SIZE;
+#ifdef GSL_MMU_TRANSLATION_ENABLED
+ unsigned long addr = vma->vm_pgoff << PAGE_SHIFT;
+ void *va;
+#endif
+
+#ifdef GSL_MMU_TRANSLATION_ENABLED
+ if (addr < GSL_LINUX_MAP_RANGE_END && addr >= GSL_LINUX_MAP_RANGE_START)
+ {
+ va = gsl_linux_map_find(addr);
+ while (size > 0)
+ {
+ if (remap_pfn_range(vma, start, vmalloc_to_pfn(va), PAGE_SIZE, prot))
+ {
+ return -EAGAIN;
+ }
+ start += PAGE_SIZE;
+ va += PAGE_SIZE;
+ size -= PAGE_SIZE;
+ }
}
- } else {
- if (remap_pfn_range(vma, start, pfn, size, prot)) {
- status = -EAGAIN;
+ else
+#endif
+ {
+ if (remap_pfn_range(vma, start, pfn, size, prot))
+ {
+ status = -EAGAIN;
+ }
}
- }
vma->vm_ops = &gsl_kmod_vmops;
@@ -742,11 +753,13 @@ static irqreturn_t z160_irq_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
+#if defined(MX51)
static irqreturn_t z430_irq_handler(int irq, void *dev_id)
{
kgsl_intr_isr();
return IRQ_HANDLED;
}
+#endif
static int gpu_probe(struct platform_device *pdev)
{
@@ -754,11 +767,6 @@ static int gpu_probe(struct platform_device *pdev)
struct resource *res;
struct device *dev;
- if (pdev->dev.platform_data)
- z160_version = *((int *)(pdev->dev.platform_data));
- else
- z160_version = 0;
-
for(i = 0; i < 2; i++){
res = platform_get_resource(pdev, IORESOURCE_IRQ, i);
if (!res) {
@@ -803,26 +811,24 @@ static int gpu_probe(struct platform_device *pdev)
}
}
- if (gpu_3d_irq > 0)
+ if (kgsl_driver_init() != GSL_SUCCESS)
{
- if (request_irq(gpu_3d_irq, z430_irq_handler, 0, "ydx", NULL) < 0) {
- printk(KERN_ERR "%s: request_irq error\n", __func__);
- gpu_3d_irq = 0;
- goto request_irq_error;
- }
+ printk(KERN_ERR "%s: kgsl_driver_init error\n", __func__);
+ goto kgsl_driver_init_error;
}
- if (gpu_2d_irq > 0)
+#if defined(MX51)
+ if (request_irq(gpu_3d_irq, z430_irq_handler, 0, "ydx", NULL) < 0)
{
- if (request_irq(gpu_2d_irq, z160_irq_handler, 0, "g12", NULL) < 0) {
- printk(KERN_ERR "2D Acceleration Enabled, OpenVG Disabled!\n");
- gpu_2d_irq = 0;
- }
+ printk(KERN_ERR "%s: request_irq error\n", __func__);
+ goto request_irq_error;
}
+#endif
- if (kgsl_driver_init() != GSL_SUCCESS) {
- printk(KERN_ERR "%s: kgsl_driver_init error\n", __func__);
- goto kgsl_driver_init_error;
+ if (request_irq(gpu_2d_irq, z160_irq_handler, 0, "g12", NULL) < 0)
+ {
+ printk(KERN_ERR "2D Acceleration Enabled, OpenVG Disabled!\n");
+ gpu_2d_irq = 0;
}
gsl_kmod_major = register_chrdev(0, "gsl_kmod", &gsl_kmod_fops);
@@ -862,15 +868,9 @@ class_create_error:
register_chrdev_error:
unregister_chrdev(gsl_kmod_major, "gsl_kmod");
+request_irq_error:
kgsl_driver_init_error:
kgsl_driver_close();
- if (gpu_2d_irq > 0) {
- free_irq(gpu_2d_irq, NULL);
- }
- if (gpu_3d_irq > 0) {
- free_irq(gpu_3d_irq, NULL);
- }
-request_irq_error:
return 0; // TODO: return proper error code
}
@@ -879,7 +879,7 @@ static int gpu_remove(struct platform_device *pdev)
device_destroy(gsl_kmod_class, MKDEV(gsl_kmod_major, 0));
class_destroy(gsl_kmod_class);
unregister_chrdev(gsl_kmod_major, "gsl_kmod");
-
+#if defined(MX51)
if (gpu_3d_irq)
{
free_irq(gpu_3d_irq, NULL);
@@ -889,7 +889,12 @@ static int gpu_remove(struct platform_device *pdev)
{
free_irq(gpu_2d_irq, NULL);
}
-
+#elif defined(MX35)
+ if (gpu_2d_irq)
+ {
+ free_irq(gpu_2d_irq, NULL);
+ }
+#endif
kgsl_driver_close();
return 0;
}
@@ -960,5 +965,9 @@ static void __exit gsl_kmod_exit(void)
module_init(gsl_kmod_init);
module_exit(gsl_kmod_exit);
MODULE_AUTHOR("Advanced Micro Devices");
-MODULE_DESCRIPTION("AMD graphics core driver for i.MX");
+#if defined(MX51)
+MODULE_DESCRIPTION("AMD 2D/3D graphics core driver for i.MX51");
+#elif defined(MX35)
+MODULE_DESCRIPTION("AMD 2D graphics core driver for i.MX35");
+#endif
MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-19 13:14:08 +0000