Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752770AbbG3RJc (ORCPT ); Thu, 30 Jul 2015 13:09:32 -0400 Received: from mail-wi0-f181.google.com ([209.85.212.181]:36922 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754972AbbG3RJ2 (ORCPT ); Thu, 30 Jul 2015 13:09:28 -0400 From: Peter Griffin To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@gmail.com, maxime.coquelin@st.com, patrice.chotard@st.com, mchehab@osg.samsung.com, m.krufky@samsung.com Cc: peter.griffin@linaro.org, lee.jones@linaro.org, hugues.fruchet@st.com, linux-media@vger.kernel.org, devicetree@vger.kernel.org, joe@perches.com Subject: [PATCH v2 09/11] [media] c8sectpfe: Add c8sectpfe debugfs support. Date: Thu, 30 Jul 2015 18:08:59 +0100 Message-Id: <1438276141-16902-10-git-send-email-peter.griffin@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1438276141-16902-1-git-send-email-peter.griffin@linaro.org> References: <1438276141-16902-1-git-send-email-peter.griffin@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 11205 Lines: 330 Some basic debugfs support to dump the IP registers. Further statistics could easily be added in the future for example for each enabled tsin channel we could expose number of corrupt packets received etc. Signed-off-by: Peter Griffin --- .../platform/sti/c8sectpfe/c8sectpfe-debugfs.c | 271 +++++++++++++++++++++ .../platform/sti/c8sectpfe/c8sectpfe-debugfs.h | 26 ++ 2 files changed, 297 insertions(+) create mode 100644 drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c create mode 100644 drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.h diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c new file mode 100644 index 0000000..e9ba13d --- /dev/null +++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c @@ -0,0 +1,271 @@ +/* + * c8sectpfe-debugfs.c - C8SECTPFE STi DVB driver + * + * Copyright (c) STMicroelectronics 2015 + * + * Author: Peter Griffin + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include +#include +#include +#include +#include +#include +#include +#include + +#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; +} diff --git a/drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.h b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.h new file mode 100644 index 0000000..8af1ac1 --- /dev/null +++ b/drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.h @@ -0,0 +1,26 @@ +/** + * c8sectpfe-debugfs.h - C8SECTPFE STi DVB driver debugfs header + * + * Copyright (c) STMicroelectronics 2015 + * + * Authors: Peter Griffin + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __C8SECTPFE_DEBUG_H +#define __C8SECTPFE_DEBUG_H + +#include "c8sectpfe-core.h" + +void c8sectpfe_debugfs_init(struct c8sectpfei *); +void c8sectpfe_debugfs_exit(struct c8sectpfei *); + +#endif /* __C8SECTPFE_DEBUG_H */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/