diff options
Diffstat (limited to 'drivers/misc/habanalabs/goya/goya_hwmgr.c')
-rw-r--r-- | drivers/misc/habanalabs/goya/goya_hwmgr.c | 387 |
1 files changed, 0 insertions, 387 deletions
diff --git a/drivers/misc/habanalabs/goya/goya_hwmgr.c b/drivers/misc/habanalabs/goya/goya_hwmgr.c deleted file mode 100644 index b595721751c1..000000000000 --- a/drivers/misc/habanalabs/goya/goya_hwmgr.c +++ /dev/null @@ -1,387 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* - * Copyright 2016-2022 HabanaLabs, Ltd. - * All Rights Reserved. - */ - -#include "goyaP.h" - -void goya_set_pll_profile(struct hl_device *hdev, enum hl_pll_frequency freq) -{ - struct goya_device *goya = hdev->asic_specific; - - if (!hdev->pdev) - return; - - switch (freq) { - case PLL_HIGH: - hl_fw_set_frequency(hdev, HL_GOYA_MME_PLL, hdev->high_pll); - hl_fw_set_frequency(hdev, HL_GOYA_TPC_PLL, hdev->high_pll); - hl_fw_set_frequency(hdev, HL_GOYA_IC_PLL, hdev->high_pll); - break; - case PLL_LOW: - hl_fw_set_frequency(hdev, HL_GOYA_MME_PLL, GOYA_PLL_FREQ_LOW); - hl_fw_set_frequency(hdev, HL_GOYA_TPC_PLL, GOYA_PLL_FREQ_LOW); - hl_fw_set_frequency(hdev, HL_GOYA_IC_PLL, GOYA_PLL_FREQ_LOW); - break; - case PLL_LAST: - hl_fw_set_frequency(hdev, HL_GOYA_MME_PLL, goya->mme_clk); - hl_fw_set_frequency(hdev, HL_GOYA_TPC_PLL, goya->tpc_clk); - hl_fw_set_frequency(hdev, HL_GOYA_IC_PLL, goya->ic_clk); - break; - default: - dev_err(hdev->dev, "unknown frequency setting\n"); - } -} - -static ssize_t mme_clk_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_fw_get_frequency(hdev, HL_GOYA_MME_PLL, false); - - if (value < 0) - return value; - - return sprintf(buf, "%lu\n", value); -} - -static ssize_t mme_clk_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - struct goya_device *goya = hdev->asic_specific; - int rc; - long value; - - if (!hl_device_operational(hdev, NULL)) { - count = -ENODEV; - goto fail; - } - - if (goya->pm_mng_profile == PM_AUTO) { - count = -EPERM; - goto fail; - } - - rc = kstrtoul(buf, 0, &value); - - if (rc) { - count = -EINVAL; - goto fail; - } - - hl_fw_set_frequency(hdev, HL_GOYA_MME_PLL, value); - goya->mme_clk = value; - -fail: - return count; -} - -static ssize_t tpc_clk_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_fw_get_frequency(hdev, HL_GOYA_TPC_PLL, false); - - if (value < 0) - return value; - - return sprintf(buf, "%lu\n", value); -} - -static ssize_t tpc_clk_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - struct goya_device *goya = hdev->asic_specific; - int rc; - long value; - - if (!hl_device_operational(hdev, NULL)) { - count = -ENODEV; - goto fail; - } - - if (goya->pm_mng_profile == PM_AUTO) { - count = -EPERM; - goto fail; - } - - rc = kstrtoul(buf, 0, &value); - - if (rc) { - count = -EINVAL; - goto fail; - } - - hl_fw_set_frequency(hdev, HL_GOYA_TPC_PLL, value); - goya->tpc_clk = value; - -fail: - return count; -} - -static ssize_t ic_clk_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_fw_get_frequency(hdev, HL_GOYA_IC_PLL, false); - - if (value < 0) - return value; - - return sprintf(buf, "%lu\n", value); -} - -static ssize_t ic_clk_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - struct goya_device *goya = hdev->asic_specific; - int rc; - long value; - - if (!hl_device_operational(hdev, NULL)) { - count = -ENODEV; - goto fail; - } - - if (goya->pm_mng_profile == PM_AUTO) { - count = -EPERM; - goto fail; - } - - rc = kstrtoul(buf, 0, &value); - - if (rc) { - count = -EINVAL; - goto fail; - } - - hl_fw_set_frequency(hdev, HL_GOYA_IC_PLL, value); - goya->ic_clk = value; - -fail: - return count; -} - -static ssize_t mme_clk_curr_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_fw_get_frequency(hdev, HL_GOYA_MME_PLL, true); - - if (value < 0) - return value; - - return sprintf(buf, "%lu\n", value); -} - -static ssize_t tpc_clk_curr_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_fw_get_frequency(hdev, HL_GOYA_TPC_PLL, true); - - if (value < 0) - return value; - - return sprintf(buf, "%lu\n", value); -} - -static ssize_t ic_clk_curr_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_fw_get_frequency(hdev, HL_GOYA_IC_PLL, true); - - if (value < 0) - return value; - - return sprintf(buf, "%lu\n", value); -} - -static ssize_t pm_mng_profile_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - struct goya_device *goya = hdev->asic_specific; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - return sprintf(buf, "%s\n", - (goya->pm_mng_profile == PM_AUTO) ? "auto" : - (goya->pm_mng_profile == PM_MANUAL) ? "manual" : - "unknown"); -} - -static ssize_t pm_mng_profile_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - struct goya_device *goya = hdev->asic_specific; - - if (!hl_device_operational(hdev, NULL)) { - count = -ENODEV; - goto out; - } - - mutex_lock(&hdev->fpriv_list_lock); - - if (hdev->is_compute_ctx_active) { - dev_err(hdev->dev, - "Can't change PM profile while compute context is opened on the device\n"); - count = -EPERM; - goto unlock_mutex; - } - - if (strncmp("auto", buf, strlen("auto")) == 0) { - /* Make sure we are in LOW PLL when changing modes */ - if (goya->pm_mng_profile == PM_MANUAL) { - goya->curr_pll_profile = PLL_HIGH; - goya->pm_mng_profile = PM_AUTO; - goya_set_frequency(hdev, PLL_LOW); - } - } else if (strncmp("manual", buf, strlen("manual")) == 0) { - if (goya->pm_mng_profile == PM_AUTO) { - /* Must release the lock because the work thread also - * takes this lock. But before we release it, set - * the mode to manual so nothing will change if a user - * suddenly opens the device - */ - goya->pm_mng_profile = PM_MANUAL; - - mutex_unlock(&hdev->fpriv_list_lock); - - /* Flush the current work so we can return to the user - * knowing that he is the only one changing frequencies - */ - if (goya->goya_work) - flush_delayed_work(&goya->goya_work->work_freq); - - return count; - } - } else { - dev_err(hdev->dev, "value should be auto or manual\n"); - count = -EINVAL; - } - -unlock_mutex: - mutex_unlock(&hdev->fpriv_list_lock); -out: - return count; -} - -static ssize_t high_pll_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - return sprintf(buf, "%u\n", hdev->high_pll); -} - -static ssize_t high_pll_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - long value; - int rc; - - if (!hl_device_operational(hdev, NULL)) { - count = -ENODEV; - goto out; - } - - rc = kstrtoul(buf, 0, &value); - - if (rc) { - count = -EINVAL; - goto out; - } - - hdev->high_pll = value; - -out: - return count; -} - -static DEVICE_ATTR_RW(high_pll); -static DEVICE_ATTR_RW(ic_clk); -static DEVICE_ATTR_RO(ic_clk_curr); -static DEVICE_ATTR_RW(mme_clk); -static DEVICE_ATTR_RO(mme_clk_curr); -static DEVICE_ATTR_RW(pm_mng_profile); -static DEVICE_ATTR_RW(tpc_clk); -static DEVICE_ATTR_RO(tpc_clk_curr); - -static struct attribute *goya_clk_dev_attrs[] = { - &dev_attr_high_pll.attr, - &dev_attr_ic_clk.attr, - &dev_attr_ic_clk_curr.attr, - &dev_attr_mme_clk.attr, - &dev_attr_mme_clk_curr.attr, - &dev_attr_pm_mng_profile.attr, - &dev_attr_tpc_clk.attr, - &dev_attr_tpc_clk_curr.attr, - NULL, -}; - -static ssize_t infineon_ver_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - struct cpucp_info *cpucp_info; - - cpucp_info = &hdev->asic_prop.cpucp_info; - - return sprintf(buf, "%#04x\n", le32_to_cpu(cpucp_info->infineon_version)); -} - -static DEVICE_ATTR_RO(infineon_ver); - -static struct attribute *goya_vrm_dev_attrs[] = { - &dev_attr_infineon_ver.attr, - NULL, -}; - -void goya_add_device_attr(struct hl_device *hdev, struct attribute_group *dev_clk_attr_grp, - struct attribute_group *dev_vrm_attr_grp) -{ - dev_clk_attr_grp->attrs = goya_clk_dev_attrs; - dev_vrm_attr_grp->attrs = goya_vrm_dev_attrs; -} |