| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * c8sectpfe-debugfs.c - C8SECTPFE STi DVB driver |
| * |
| * Copyright (c) STMicroelectronics 2015 |
| * |
| * Author: Peter Griffin <peter.griffin@linaro.org> |
| * |
| */ |
| #include <linux/debugfs.h> |
| #include <linux/device.h> |
| #include <linux/interrupt.h> |
| #include <linux/io.h> |
| #include <linux/kernel.h> |
| #include <linux/seq_file.h> |
| #include <linux/slab.h> |
| #include <linux/types.h> |
| |
| #include "c8sectpfe-debugfs.h" |
| |
| #define dump_register(nm ...) \ |
| { \ |
| .name = #nm, \ |
| .offset = nm, \ |
| } |
| |
| static const struct debugfs_reg32 fei_sys_regs[] = { |
| dump_register(SYS_INPUT_ERR_STATUS), |
| dump_register(SYS_OTHER_ERR_STATUS), |
| dump_register(SYS_INPUT_ERR_MASK), |
| dump_register(SYS_DMA_ROUTE), |
| dump_register(SYS_INPUT_CLKEN), |
| dump_register(IBENABLE_MASK), |
| dump_register(SYS_OTHER_CLKEN), |
| dump_register(SYS_CFG_NUM_IB), |
| dump_register(SYS_CFG_NUM_MIB), |
| dump_register(SYS_CFG_NUM_SWTS), |
| dump_register(SYS_CFG_NUM_TSOUT), |
| dump_register(SYS_CFG_NUM_CCSC), |
| dump_register(SYS_CFG_NUM_RAM), |
| dump_register(SYS_CFG_NUM_TP), |
| |
| dump_register(C8SECTPFE_IB_IP_FMT_CFG(0)), |
| dump_register(C8SECTPFE_IB_TAGBYTES_CFG(0)), |
| dump_register(C8SECTPFE_IB_PID_SET(0)), |
| dump_register(C8SECTPFE_IB_PKT_LEN(0)), |
| dump_register(C8SECTPFE_IB_BUFF_STRT(0)), |
| dump_register(C8SECTPFE_IB_BUFF_END(0)), |
| dump_register(C8SECTPFE_IB_READ_PNT(0)), |
| dump_register(C8SECTPFE_IB_WRT_PNT(0)), |
| dump_register(C8SECTPFE_IB_PRI_THRLD(0)), |
| dump_register(C8SECTPFE_IB_STAT(0)), |
| dump_register(C8SECTPFE_IB_MASK(0)), |
| dump_register(C8SECTPFE_IB_SYS(0)), |
| |
| dump_register(C8SECTPFE_IB_IP_FMT_CFG(1)), |
| dump_register(C8SECTPFE_IB_TAGBYTES_CFG(1)), |
| dump_register(C8SECTPFE_IB_PID_SET(1)), |
| dump_register(C8SECTPFE_IB_PKT_LEN(1)), |
| dump_register(C8SECTPFE_IB_BUFF_STRT(1)), |
| dump_register(C8SECTPFE_IB_BUFF_END(1)), |
| dump_register(C8SECTPFE_IB_READ_PNT(1)), |
| dump_register(C8SECTPFE_IB_WRT_PNT(1)), |
| dump_register(C8SECTPFE_IB_PRI_THRLD(1)), |
| dump_register(C8SECTPFE_IB_STAT(1)), |
| dump_register(C8SECTPFE_IB_MASK(1)), |
| dump_register(C8SECTPFE_IB_SYS(1)), |
| |
| dump_register(C8SECTPFE_IB_IP_FMT_CFG(2)), |
| dump_register(C8SECTPFE_IB_TAGBYTES_CFG(2)), |
| dump_register(C8SECTPFE_IB_PID_SET(2)), |
| dump_register(C8SECTPFE_IB_PKT_LEN(2)), |
| dump_register(C8SECTPFE_IB_BUFF_STRT(2)), |
| dump_register(C8SECTPFE_IB_BUFF_END(2)), |
| dump_register(C8SECTPFE_IB_READ_PNT(2)), |
| dump_register(C8SECTPFE_IB_WRT_PNT(2)), |
| dump_register(C8SECTPFE_IB_PRI_THRLD(2)), |
| dump_register(C8SECTPFE_IB_STAT(2)), |
| dump_register(C8SECTPFE_IB_MASK(2)), |
| dump_register(C8SECTPFE_IB_SYS(2)), |
| |
| dump_register(C8SECTPFE_IB_IP_FMT_CFG(3)), |
| dump_register(C8SECTPFE_IB_TAGBYTES_CFG(3)), |
| dump_register(C8SECTPFE_IB_PID_SET(3)), |
| dump_register(C8SECTPFE_IB_PKT_LEN(3)), |
| dump_register(C8SECTPFE_IB_BUFF_STRT(3)), |
| dump_register(C8SECTPFE_IB_BUFF_END(3)), |
| dump_register(C8SECTPFE_IB_READ_PNT(3)), |
| dump_register(C8SECTPFE_IB_WRT_PNT(3)), |
| dump_register(C8SECTPFE_IB_PRI_THRLD(3)), |
| dump_register(C8SECTPFE_IB_STAT(3)), |
| dump_register(C8SECTPFE_IB_MASK(3)), |
| dump_register(C8SECTPFE_IB_SYS(3)), |
| |
| dump_register(C8SECTPFE_IB_IP_FMT_CFG(4)), |
| dump_register(C8SECTPFE_IB_TAGBYTES_CFG(4)), |
| dump_register(C8SECTPFE_IB_PID_SET(4)), |
| dump_register(C8SECTPFE_IB_PKT_LEN(4)), |
| dump_register(C8SECTPFE_IB_BUFF_STRT(4)), |
| dump_register(C8SECTPFE_IB_BUFF_END(4)), |
| dump_register(C8SECTPFE_IB_READ_PNT(4)), |
| dump_register(C8SECTPFE_IB_WRT_PNT(4)), |
| dump_register(C8SECTPFE_IB_PRI_THRLD(4)), |
| dump_register(C8SECTPFE_IB_STAT(4)), |
| dump_register(C8SECTPFE_IB_MASK(4)), |
| dump_register(C8SECTPFE_IB_SYS(4)), |
| |
| dump_register(C8SECTPFE_IB_IP_FMT_CFG(5)), |
| dump_register(C8SECTPFE_IB_TAGBYTES_CFG(5)), |
| dump_register(C8SECTPFE_IB_PID_SET(5)), |
| dump_register(C8SECTPFE_IB_PKT_LEN(5)), |
| dump_register(C8SECTPFE_IB_BUFF_STRT(5)), |
| dump_register(C8SECTPFE_IB_BUFF_END(5)), |
| dump_register(C8SECTPFE_IB_READ_PNT(5)), |
| dump_register(C8SECTPFE_IB_WRT_PNT(5)), |
| dump_register(C8SECTPFE_IB_PRI_THRLD(5)), |
| dump_register(C8SECTPFE_IB_STAT(5)), |
| dump_register(C8SECTPFE_IB_MASK(5)), |
| dump_register(C8SECTPFE_IB_SYS(5)), |
| |
| dump_register(C8SECTPFE_IB_IP_FMT_CFG(6)), |
| dump_register(C8SECTPFE_IB_TAGBYTES_CFG(6)), |
| dump_register(C8SECTPFE_IB_PID_SET(6)), |
| dump_register(C8SECTPFE_IB_PKT_LEN(6)), |
| dump_register(C8SECTPFE_IB_BUFF_STRT(6)), |
| dump_register(C8SECTPFE_IB_BUFF_END(6)), |
| dump_register(C8SECTPFE_IB_READ_PNT(6)), |
| dump_register(C8SECTPFE_IB_WRT_PNT(6)), |
| dump_register(C8SECTPFE_IB_PRI_THRLD(6)), |
| dump_register(C8SECTPFE_IB_STAT(6)), |
| dump_register(C8SECTPFE_IB_MASK(6)), |
| dump_register(C8SECTPFE_IB_SYS(6)), |
| |
| dump_register(DMA_CPU_ID), |
| dump_register(DMA_CPU_VCR), |
| dump_register(DMA_CPU_RUN), |
| dump_register(DMA_CPU_PC), |
| |
| dump_register(DMA_PER_TPn_DREQ_MASK), |
| dump_register(DMA_PER_TPn_DACK_SET), |
| dump_register(DMA_PER_TPn_DREQ), |
| dump_register(DMA_PER_TPn_DACK), |
| dump_register(DMA_PER_DREQ_MODE), |
| dump_register(DMA_PER_STBUS_SYNC), |
| dump_register(DMA_PER_STBUS_ACCESS), |
| dump_register(DMA_PER_STBUS_ADDRESS), |
| dump_register(DMA_PER_IDLE_INT), |
| dump_register(DMA_PER_PRIORITY), |
| dump_register(DMA_PER_MAX_OPCODE), |
| dump_register(DMA_PER_MAX_CHUNK), |
| dump_register(DMA_PER_PAGE_SIZE), |
| dump_register(DMA_PER_MBOX_STATUS), |
| dump_register(DMA_PER_MBOX_SET), |
| dump_register(DMA_PER_MBOX_CLEAR), |
| dump_register(DMA_PER_MBOX_MASK), |
| dump_register(DMA_PER_INJECT_PKT_SRC), |
| dump_register(DMA_PER_INJECT_PKT_DEST), |
| dump_register(DMA_PER_INJECT_PKT_ADDR), |
| dump_register(DMA_PER_INJECT_PKT), |
| dump_register(DMA_PER_PAT_PTR_INIT), |
| dump_register(DMA_PER_PAT_PTR), |
| dump_register(DMA_PER_SLEEP_MASK), |
| dump_register(DMA_PER_SLEEP_COUNTER), |
| |
| dump_register(DMA_FIRMWARE_VERSION), |
| dump_register(DMA_PTRREC_BASE), |
| dump_register(DMA_PTRREC_INPUT_OFFSET), |
| dump_register(DMA_ERRREC_BASE), |
| |
| dump_register(DMA_ERROR_RECORD(0)), |
| dump_register(DMA_ERROR_RECORD(1)), |
| dump_register(DMA_ERROR_RECORD(2)), |
| dump_register(DMA_ERROR_RECORD(3)), |
| dump_register(DMA_ERROR_RECORD(4)), |
| dump_register(DMA_ERROR_RECORD(5)), |
| dump_register(DMA_ERROR_RECORD(6)), |
| dump_register(DMA_ERROR_RECORD(7)), |
| dump_register(DMA_ERROR_RECORD(8)), |
| dump_register(DMA_ERROR_RECORD(9)), |
| dump_register(DMA_ERROR_RECORD(10)), |
| dump_register(DMA_ERROR_RECORD(11)), |
| dump_register(DMA_ERROR_RECORD(12)), |
| dump_register(DMA_ERROR_RECORD(13)), |
| dump_register(DMA_ERROR_RECORD(14)), |
| dump_register(DMA_ERROR_RECORD(15)), |
| dump_register(DMA_ERROR_RECORD(16)), |
| dump_register(DMA_ERROR_RECORD(17)), |
| dump_register(DMA_ERROR_RECORD(18)), |
| dump_register(DMA_ERROR_RECORD(19)), |
| dump_register(DMA_ERROR_RECORD(20)), |
| dump_register(DMA_ERROR_RECORD(21)), |
| dump_register(DMA_ERROR_RECORD(22)), |
| |
| dump_register(DMA_IDLE_REQ), |
| dump_register(DMA_FIRMWARE_CONFIG), |
| |
| dump_register(PIDF_BASE(0)), |
| dump_register(PIDF_BASE(1)), |
| dump_register(PIDF_BASE(2)), |
| dump_register(PIDF_BASE(3)), |
| dump_register(PIDF_BASE(4)), |
| dump_register(PIDF_BASE(5)), |
| dump_register(PIDF_BASE(6)), |
| dump_register(PIDF_BASE(7)), |
| dump_register(PIDF_BASE(8)), |
| dump_register(PIDF_BASE(9)), |
| dump_register(PIDF_BASE(10)), |
| dump_register(PIDF_BASE(11)), |
| dump_register(PIDF_BASE(12)), |
| dump_register(PIDF_BASE(13)), |
| dump_register(PIDF_BASE(14)), |
| dump_register(PIDF_BASE(15)), |
| dump_register(PIDF_BASE(16)), |
| dump_register(PIDF_BASE(17)), |
| dump_register(PIDF_BASE(18)), |
| dump_register(PIDF_BASE(19)), |
| dump_register(PIDF_BASE(20)), |
| dump_register(PIDF_BASE(21)), |
| dump_register(PIDF_BASE(22)), |
| dump_register(PIDF_LEAK_ENABLE), |
| dump_register(PIDF_LEAK_STATUS), |
| dump_register(PIDF_LEAK_COUNT_RESET), |
| dump_register(PIDF_LEAK_COUNTER), |
| }; |
| |
| void c8sectpfe_debugfs_init(struct c8sectpfei *fei) |
| { |
| struct dentry *root; |
| struct dentry *file; |
| |
| root = debugfs_create_dir("c8sectpfe", NULL); |
| if (!root) |
| goto err; |
| |
| fei->root = root; |
| |
| fei->regset = devm_kzalloc(fei->dev, sizeof(*fei->regset), GFP_KERNEL); |
| if (!fei->regset) |
| goto err; |
| |
| fei->regset->regs = fei_sys_regs; |
| fei->regset->nregs = ARRAY_SIZE(fei_sys_regs); |
| fei->regset->base = fei->io; |
| |
| file = debugfs_create_regset32("registers", S_IRUGO, root, |
| fei->regset); |
| if (!file) { |
| dev_err(fei->dev, |
| "%s not able to create 'registers' debugfs\n" |
| , __func__); |
| goto err; |
| } |
| |
| return; |
| |
| err: |
| debugfs_remove_recursive(root); |
| } |
| |
| void c8sectpfe_debugfs_exit(struct c8sectpfei *fei) |
| { |
| debugfs_remove_recursive(fei->root); |
| fei->root = NULL; |
| } |
