import PULS_20160108

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / misc / mediatek / gpu / mt8127 / mali / mali / linux / mali_osk_mali.c

diff --git a/drivers/misc/mediatek/gpu/mt8127/mali/mali/linux/mali_osk_mali.c b/drivers/misc/mediatek/gpu/mt8127/mali/mali/linux/mali_osk_mali.c
new file mode 100644 (file)
index 0000000..f59d12e
--- /dev/null
+++ b/drivers/misc/mediatek/gpu/mt8127/mali/mali/linux/mali_osk_mali.c
@@ -0,0 +1,127 @@
+/*
+ * This confidential and proprietary software may be used only as
+ * authorised by a licensing agreement from ARM Limited
+ * (C) COPYRIGHT 2008-2013 ARM Limited
+ * ALL RIGHTS RESERVED
+ * The entire notice above must be reproduced on all authorised
+ * copies and copies may only be made to the extent permitted
+ * by a licensing agreement from ARM Limited.
+ */
+
+/**
+ * @file mali_osk_mali.c
+ * Implementation of the OS abstraction layer which is specific for the Mali kernel device driver
+ */
+#include <linux/kernel.h>
+#include <asm/uaccess.h>
+#include <linux/platform_device.h>
+#include <linux/mali/mali_utgard.h>
+
+#include "mali_osk_mali.h"
+#include "mali_kernel_common.h" /* MALI_xxx macros */
+#include "mali_osk.h"           /* kernel side OS functions */
+#include "mali_kernel_linux.h"
+
+_mali_osk_errcode_t _mali_osk_resource_find(u32 addr, _mali_osk_resource_t *res)
+{
+       int i;
+
+       if (NULL == mali_platform_device) {
+               /* Not connected to a device */
+               return _MALI_OSK_ERR_ITEM_NOT_FOUND;
+       }
+
+       for (i = 0; i < mali_platform_device->num_resources; i++) {
+               if (IORESOURCE_MEM == resource_type(&(mali_platform_device->resource[i])) &&
+                   mali_platform_device->resource[i].start == addr) {
+                       if (NULL != res) {
+                               res->base = addr;
+                               res->description = mali_platform_device->resource[i].name;
+
+                               /* Any (optional) IRQ resource belonging to this resource will follow */
+                               if ((i + 1) < mali_platform_device->num_resources &&
+                                   IORESOURCE_IRQ == resource_type(&(mali_platform_device->resource[i+1]))) {
+                                       res->irq = mali_platform_device->resource[i+1].start;
+                               } else {
+                                       res->irq = -1;
+                               }
+                       }
+                       return _MALI_OSK_ERR_OK;
+               }
+       }
+
+       return _MALI_OSK_ERR_ITEM_NOT_FOUND;
+}
+
+u32 _mali_osk_resource_base_address(void)
+{
+       u32 lowest_addr = 0xFFFFFFFF;
+       u32 ret = 0;
+
+       if (NULL != mali_platform_device) {
+               int i;
+               for (i = 0; i < mali_platform_device->num_resources; i++) {
+                       if (mali_platform_device->resource[i].flags & IORESOURCE_MEM &&
+                           mali_platform_device->resource[i].start < lowest_addr) {
+                               lowest_addr = mali_platform_device->resource[i].start;
+                               ret = lowest_addr;
+                       }
+               }
+       }
+
+       return ret;
+}
+
+_mali_osk_errcode_t _mali_osk_device_data_get(struct _mali_osk_device_data *data)
+{
+       MALI_DEBUG_ASSERT_POINTER(data);
+
+       if (NULL != mali_platform_device) {
+               struct mali_gpu_device_data* os_data = NULL;
+
+               os_data = (struct mali_gpu_device_data*)mali_platform_device->dev.platform_data;
+               if (NULL != os_data) {
+                       /* Copy data from OS dependant struct to Mali neutral struct (identical!) */
+                       data->dedicated_mem_start = os_data->dedicated_mem_start;
+                       data->dedicated_mem_size = os_data->dedicated_mem_size;
+                       data->shared_mem_size = os_data->shared_mem_size;
+                       data->fb_start = os_data->fb_start;
+                       data->fb_size = os_data->fb_size;
+                       data->max_job_runtime = os_data->max_job_runtime;
+                       data->utilization_interval = os_data->utilization_interval;
+                       data->utilization_callback = os_data->utilization_callback;
+                       data->pmu_switch_delay = os_data->pmu_switch_delay;
+                       data->set_freq_callback = os_data->set_freq_callback;
+
+                       memcpy(data->pmu_domain_config, os_data->pmu_domain_config, sizeof(os_data->pmu_domain_config));
+                       return _MALI_OSK_ERR_OK;
+               }
+       }
+
+       return _MALI_OSK_ERR_ITEM_NOT_FOUND;
+}
+
+mali_bool _mali_osk_shared_interrupts(void)
+{
+       u32 irqs[128];
+       u32 i, j, irq, num_irqs_found = 0;
+
+       MALI_DEBUG_ASSERT_POINTER(mali_platform_device);
+       MALI_DEBUG_ASSERT(128 >= mali_platform_device->num_resources);
+
+       for (i = 0; i < mali_platform_device->num_resources; i++) {
+               if (IORESOURCE_IRQ & mali_platform_device->resource[i].flags) {
+                       irq = mali_platform_device->resource[i].start;
+
+                       for (j = 0; j < num_irqs_found; ++j) {
+                               if (irq == irqs[j]) {
+                                       return MALI_TRUE;
+                               }
+                       }
+
+                       irqs[num_irqs_found++] = irq;
+               }
+       }
+
+       return MALI_FALSE;
+}