summaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/qcom
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/qcom')
-rw-r--r--drivers/media/platform/qcom/venus/core.c18
-rw-r--r--drivers/media/platform/qcom/venus/core.h1
-rw-r--r--drivers/media/platform/qcom/venus/firmware.c76
-rw-r--r--drivers/media/platform/qcom/venus/firmware.h5
-rw-r--r--drivers/media/platform/qcom/venus/hfi_msgs.c11
5 files changed, 49 insertions, 62 deletions
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index 776d2bae6979..41eef376eb2d 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -76,7 +76,7 @@ static void venus_sys_error_handler(struct work_struct *work)
hfi_core_deinit(core, true);
hfi_destroy(core);
mutex_lock(&core->lock);
- venus_shutdown(&core->dev_fw);
+ venus_shutdown(core->dev);
pm_runtime_put_sync(core->dev);
@@ -84,7 +84,7 @@ static void venus_sys_error_handler(struct work_struct *work)
pm_runtime_get_sync(core->dev);
- ret |= venus_boot(core->dev, &core->dev_fw, core->res->fwname);
+ ret |= venus_boot(core->dev, core->res->fwname);
ret |= hfi_core_resume(core, true);
@@ -137,7 +137,7 @@ static int venus_clks_enable(struct venus_core *core)
return 0;
err:
- while (--i)
+ while (i--)
clk_disable_unprepare(core->clks[i]);
return ret;
@@ -207,7 +207,7 @@ static int venus_probe(struct platform_device *pdev)
if (ret < 0)
goto err_runtime_disable;
- ret = venus_boot(dev, &core->dev_fw, core->res->fwname);
+ ret = venus_boot(dev, core->res->fwname);
if (ret)
goto err_runtime_disable;
@@ -238,7 +238,7 @@ err_dev_unregister:
err_core_deinit:
hfi_core_deinit(core, false);
err_venus_shutdown:
- venus_shutdown(&core->dev_fw);
+ venus_shutdown(dev);
err_runtime_disable:
pm_runtime_set_suspended(dev);
pm_runtime_disable(dev);
@@ -259,7 +259,7 @@ static int venus_remove(struct platform_device *pdev)
WARN_ON(ret);
hfi_destroy(core);
- venus_shutdown(&core->dev_fw);
+ venus_shutdown(dev);
of_platform_depopulate(dev);
pm_runtime_put_sync(dev);
@@ -270,8 +270,7 @@ static int venus_remove(struct platform_device *pdev)
return ret;
}
-#ifdef CONFIG_PM
-static int venus_runtime_suspend(struct device *dev)
+static __maybe_unused int venus_runtime_suspend(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
int ret;
@@ -283,7 +282,7 @@ static int venus_runtime_suspend(struct device *dev)
return ret;
}
-static int venus_runtime_resume(struct device *dev)
+static __maybe_unused int venus_runtime_resume(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
int ret;
@@ -302,7 +301,6 @@ err_clks_disable:
venus_clks_disable(core);
return ret;
}
-#endif
static const struct dev_pm_ops venus_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index e542700eee32..cba092bcb76d 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -101,7 +101,6 @@ struct venus_core {
struct device *dev;
struct device *dev_dec;
struct device *dev_enc;
- struct device dev_fw;
struct mutex lock;
struct list_head instances;
atomic_t insts_count;
diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
index 1b1a4f355918..521d4b36c090 100644
--- a/drivers/media/platform/qcom/venus/firmware.c
+++ b/drivers/media/platform/qcom/venus/firmware.c
@@ -12,97 +12,87 @@
*
*/
-#include <linux/dma-mapping.h>
+#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/kernel.h>
+#include <linux/io.h>
#include <linux/of.h>
-#include <linux/of_reserved_mem.h>
-#include <linux/slab.h>
+#include <linux/of_address.h>
#include <linux/qcom_scm.h>
+#include <linux/sizes.h>
#include <linux/soc/qcom/mdt_loader.h>
#include "firmware.h"
#define VENUS_PAS_ID 9
-#define VENUS_FW_MEM_SIZE SZ_8M
+#define VENUS_FW_MEM_SIZE (6 * SZ_1M)
-static void device_release_dummy(struct device *dev)
-{
- of_reserved_mem_device_release(dev);
-}
-
-int venus_boot(struct device *parent, struct device *fw_dev, const char *fwname)
+int venus_boot(struct device *dev, const char *fwname)
{
const struct firmware *mdt;
+ struct device_node *node;
phys_addr_t mem_phys;
+ struct resource r;
ssize_t fw_size;
size_t mem_size;
void *mem_va;
int ret;
- if (!qcom_scm_is_available())
+ if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER) || !qcom_scm_is_available())
return -EPROBE_DEFER;
- fw_dev->parent = parent;
- fw_dev->release = device_release_dummy;
+ node = of_parse_phandle(dev->of_node, "memory-region", 0);
+ if (!node) {
+ dev_err(dev, "no memory-region specified\n");
+ return -EINVAL;
+ }
- ret = dev_set_name(fw_dev, "%s:%s", dev_name(parent), "firmware");
+ ret = of_address_to_resource(node, 0, &r);
if (ret)
return ret;
- ret = device_register(fw_dev);
- if (ret < 0)
- return ret;
+ mem_phys = r.start;
+ mem_size = resource_size(&r);
- ret = of_reserved_mem_device_init_by_idx(fw_dev, parent->of_node, 0);
- if (ret)
- goto err_unreg_device;
+ if (mem_size < VENUS_FW_MEM_SIZE)
+ return -EINVAL;
- mem_size = VENUS_FW_MEM_SIZE;
-
- mem_va = dmam_alloc_coherent(fw_dev, mem_size, &mem_phys, GFP_KERNEL);
+ mem_va = memremap(r.start, mem_size, MEMREMAP_WC);
if (!mem_va) {
- ret = -ENOMEM;
- goto err_unreg_device;
+ dev_err(dev, "unable to map memory region: %pa+%zx\n",
+ &r.start, mem_size);
+ return -ENOMEM;
}
- ret = request_firmware(&mdt, fwname, fw_dev);
+ ret = request_firmware(&mdt, fwname, dev);
if (ret < 0)
- goto err_unreg_device;
+ goto err_unmap;
fw_size = qcom_mdt_get_size(mdt);
if (fw_size < 0) {
ret = fw_size;
release_firmware(mdt);
- goto err_unreg_device;
+ goto err_unmap;
}
- ret = qcom_mdt_load(fw_dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys,
+ ret = qcom_mdt_load(dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys,
mem_size);
release_firmware(mdt);
if (ret)
- goto err_unreg_device;
+ goto err_unmap;
ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID);
if (ret)
- goto err_unreg_device;
-
- return 0;
+ goto err_unmap;
-err_unreg_device:
- device_unregister(fw_dev);
+err_unmap:
+ memunmap(mem_va);
return ret;
}
-int venus_shutdown(struct device *fw_dev)
+int venus_shutdown(struct device *dev)
{
- int ret;
-
- ret = qcom_scm_pas_shutdown(VENUS_PAS_ID);
- device_unregister(fw_dev);
- memset(fw_dev, 0, sizeof(*fw_dev));
-
- return ret;
+ return qcom_scm_pas_shutdown(VENUS_PAS_ID);
}
diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h
index f81a98979798..428efb56d339 100644
--- a/drivers/media/platform/qcom/venus/firmware.h
+++ b/drivers/media/platform/qcom/venus/firmware.h
@@ -16,8 +16,7 @@
struct device;
-int venus_boot(struct device *parent, struct device *fw_dev,
- const char *fwname);
-int venus_shutdown(struct device *fw_dev);
+int venus_boot(struct device *dev, const char *fwname);
+int venus_shutdown(struct device *dev);
#endif
diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c b/drivers/media/platform/qcom/venus/hfi_msgs.c
index f8841713e417..a681ae5381d6 100644
--- a/drivers/media/platform/qcom/venus/hfi_msgs.c
+++ b/drivers/media/platform/qcom/venus/hfi_msgs.c
@@ -239,11 +239,12 @@ static void hfi_sys_init_done(struct venus_core *core, struct venus_inst *inst,
break;
}
- if (!error) {
- rem_bytes -= read_bytes;
- data += read_bytes;
- num_properties--;
- }
+ if (error)
+ break;
+
+ rem_bytes -= read_bytes;
+ data += read_bytes;
+ num_properties--;
}
err_no_prop: