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101 lines
2.3 KiB
101 lines
2.3 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* Copyright 2019 NXP |
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*/ |
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#include <linux/device.h> |
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#include <linux/debugfs.h> |
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#include <linux/fsl/ptp_qoriq.h> |
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static int ptp_qoriq_fiper1_lpbk_get(void *data, u64 *val) |
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{ |
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struct ptp_qoriq *ptp_qoriq = data; |
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struct ptp_qoriq_registers *regs = &ptp_qoriq->regs; |
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u32 ctrl; |
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ctrl = ptp_qoriq->read(®s->ctrl_regs->tmr_ctrl); |
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*val = ctrl & PP1L ? 1 : 0; |
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return 0; |
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} |
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static int ptp_qoriq_fiper1_lpbk_set(void *data, u64 val) |
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{ |
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struct ptp_qoriq *ptp_qoriq = data; |
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struct ptp_qoriq_registers *regs = &ptp_qoriq->regs; |
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u32 ctrl; |
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ctrl = ptp_qoriq->read(®s->ctrl_regs->tmr_ctrl); |
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if (val == 0) |
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ctrl &= ~PP1L; |
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else |
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ctrl |= PP1L; |
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ptp_qoriq->write(®s->ctrl_regs->tmr_ctrl, ctrl); |
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return 0; |
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} |
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DEFINE_DEBUGFS_ATTRIBUTE(ptp_qoriq_fiper1_fops, ptp_qoriq_fiper1_lpbk_get, |
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ptp_qoriq_fiper1_lpbk_set, "%llu\n"); |
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static int ptp_qoriq_fiper2_lpbk_get(void *data, u64 *val) |
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{ |
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struct ptp_qoriq *ptp_qoriq = data; |
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struct ptp_qoriq_registers *regs = &ptp_qoriq->regs; |
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u32 ctrl; |
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ctrl = ptp_qoriq->read(®s->ctrl_regs->tmr_ctrl); |
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*val = ctrl & PP2L ? 1 : 0; |
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return 0; |
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} |
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static int ptp_qoriq_fiper2_lpbk_set(void *data, u64 val) |
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{ |
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struct ptp_qoriq *ptp_qoriq = data; |
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struct ptp_qoriq_registers *regs = &ptp_qoriq->regs; |
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u32 ctrl; |
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ctrl = ptp_qoriq->read(®s->ctrl_regs->tmr_ctrl); |
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if (val == 0) |
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ctrl &= ~PP2L; |
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else |
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ctrl |= PP2L; |
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ptp_qoriq->write(®s->ctrl_regs->tmr_ctrl, ctrl); |
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return 0; |
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} |
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DEFINE_DEBUGFS_ATTRIBUTE(ptp_qoriq_fiper2_fops, ptp_qoriq_fiper2_lpbk_get, |
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ptp_qoriq_fiper2_lpbk_set, "%llu\n"); |
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void ptp_qoriq_create_debugfs(struct ptp_qoriq *ptp_qoriq) |
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{ |
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struct dentry *root; |
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root = debugfs_create_dir(dev_name(ptp_qoriq->dev), NULL); |
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if (IS_ERR(root)) |
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return; |
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if (!root) |
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goto err_root; |
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ptp_qoriq->debugfs_root = root; |
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if (!debugfs_create_file_unsafe("fiper1-loopback", 0600, root, |
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ptp_qoriq, &ptp_qoriq_fiper1_fops)) |
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goto err_node; |
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if (!debugfs_create_file_unsafe("fiper2-loopback", 0600, root, |
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ptp_qoriq, &ptp_qoriq_fiper2_fops)) |
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goto err_node; |
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return; |
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err_node: |
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debugfs_remove_recursive(root); |
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ptp_qoriq->debugfs_root = NULL; |
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err_root: |
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dev_err(ptp_qoriq->dev, "failed to initialize debugfs\n"); |
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} |
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void ptp_qoriq_remove_debugfs(struct ptp_qoriq *ptp_qoriq) |
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{ |
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debugfs_remove_recursive(ptp_qoriq->debugfs_root); |
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ptp_qoriq->debugfs_root = NULL; |
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}
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