diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/hwmgr.c')
-rw-r--r-- | drivers/misc/habanalabs/common/hwmgr.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/drivers/misc/habanalabs/common/hwmgr.c b/drivers/misc/habanalabs/common/hwmgr.c deleted file mode 100644 index 5451019f143f..000000000000 --- a/drivers/misc/habanalabs/common/hwmgr.c +++ /dev/null @@ -1,117 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* - * Copyright 2019-2021 HabanaLabs, Ltd. - * All Rights Reserved. - */ - -#include "habanalabs.h" - -void hl_set_pll_profile(struct hl_device *hdev, enum hl_pll_frequency freq) -{ - hl_set_frequency(hdev, hdev->asic_prop.clk_pll_index, - hdev->asic_prop.max_freq_value); -} - -int hl_get_clk_rate(struct hl_device *hdev, u32 *cur_clk, u32 *max_clk) -{ - long value; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - value = hl_get_frequency(hdev, hdev->asic_prop.clk_pll_index, false); - - if (value < 0) { - dev_err(hdev->dev, "Failed to retrieve device max clock %ld\n", - value); - return value; - } - - *max_clk = (value / 1000 / 1000); - - value = hl_get_frequency(hdev, hdev->asic_prop.clk_pll_index, true); - - if (value < 0) { - dev_err(hdev->dev, - "Failed to retrieve device current clock %ld\n", - value); - return value; - } - - *cur_clk = (value / 1000 / 1000); - - return 0; -} - -static ssize_t clk_max_freq_mhz_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - long value; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - value = hl_get_frequency(hdev, hdev->asic_prop.clk_pll_index, false); - - hdev->asic_prop.max_freq_value = value; - - return sprintf(buf, "%lu\n", (value / 1000 / 1000)); -} - -static ssize_t clk_max_freq_mhz_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - int rc; - u64 value; - - if (!hl_device_operational(hdev, NULL)) { - count = -ENODEV; - goto fail; - } - - rc = kstrtoull(buf, 0, &value); - if (rc) { - count = -EINVAL; - goto fail; - } - - hdev->asic_prop.max_freq_value = value * 1000 * 1000; - - hl_set_frequency(hdev, hdev->asic_prop.clk_pll_index, - hdev->asic_prop.max_freq_value); - -fail: - return count; -} - -static ssize_t clk_cur_freq_mhz_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - long value; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - value = hl_get_frequency(hdev, hdev->asic_prop.clk_pll_index, true); - - return sprintf(buf, "%lu\n", (value / 1000 / 1000)); -} - -static DEVICE_ATTR_RW(clk_max_freq_mhz); -static DEVICE_ATTR_RO(clk_cur_freq_mhz); - -static struct attribute *hl_dev_attrs[] = { - &dev_attr_clk_max_freq_mhz.attr, - &dev_attr_clk_cur_freq_mhz.attr, - NULL, -}; - -void hl_add_device_attr(struct hl_device *hdev, - struct attribute_group *dev_attr_grp) -{ - dev_attr_grp->attrs = hl_dev_attrs; -} |