devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Peter Griffin <peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	srinivas.kandagatla-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	maxime.coquelin-qxv4g6HH51o@public.gmane.org,
	patrice.chotard-qxv4g6HH51o@public.gmane.org,
	mchehab-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org
Cc: peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	hugues.fruchet-qxv4g6HH51o@public.gmane.org,
	linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 10/12] [media] tsin: c8sectpfe: Add c8sectpfe debugfs support.
Date: Wed, 24 Jun 2015 16:11:08 +0100	[thread overview]
Message-ID: <1435158670-7195-11-git-send-email-peter.griffin@linaro.org> (raw)
In-Reply-To: <1435158670-7195-1-git-send-email-peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>

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 <peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.c | 271 +++++++++++++++++++++++
 drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.h |  26 +++
 2 files changed, 297 insertions(+)
 create mode 100644 drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.c
 create mode 100644 drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.h

diff --git a/drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.c b/drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.c
new file mode 100644
index 0000000..e9ba13d
--- /dev/null
+++ b/drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.c
@@ -0,0 +1,271 @@
+/*
+ * c8sectpfe-debugfs.c - C8SECTPFE STi DVB driver
+ *
+ * Copyright (c) STMicroelectronics 2015
+ *
+ * Author: Peter Griffin <peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
+ *
+ * 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 <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;
+}
diff --git a/drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.h b/drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.h
new file mode 100644
index 0000000..8af1ac1
--- /dev/null
+++ b/drivers/media/tsin/c8sectpfe/c8sectpfe-debugfs.h
@@ -0,0 +1,26 @@
+/**
+ * c8sectpfe-debugfs.h - C8SECTPFE STi DVB driver debugfs header
+ *
+ * Copyright (c) STMicroelectronics 2015
+ *
+ * Authors: Peter Griffin <peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
+ *
+ * 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 devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  parent reply	other threads:[~2015-06-24 15:11 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-24 15:10 [PATCH 00/12] Add c8sectpfe LinuxDVB demux driver Peter Griffin
2015-06-24 15:10 ` [PATCH 01/12] ARM: DT: STi: stihxxx-b2120: Add pulse-width properties to ssc2 & ssc3 Peter Griffin
2015-06-24 15:11 ` [PATCH 03/12] [media] stv0367: Refine i2c error trace to include i2c address Peter Griffin
2015-06-24 15:11 ` [PATCH 04/12] [media] stv0367: Add support for 16Mhz reference clock Peter Griffin
2015-06-24 15:11 ` [PATCH 05/12] [media] tsin: c8sectpfe: Add DT bindings documentation for c8sectpfe driver Peter Griffin
2015-06-24 15:11 ` [PATCH 06/12] ARM: DT: STi: STiH407: Add c8sectpfe LinuxDVB DT node Peter Griffin
2015-06-24 15:11 ` [PATCH 07/12] [media] tsin: c8sectpfe: STiH407/10 Linux DVB demux support Peter Griffin
     [not found]   ` <1435158670-7195-8-git-send-email-peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-07-22 21:46     ` Mauro Carvalho Chehab
2015-07-30 11:08       ` Peter Griffin
2015-06-24 15:11 ` [PATCH 08/12] [media] tsin: c8sectpfe: Add LDVB helper functions Peter Griffin
     [not found] ` <1435158670-7195-1-git-send-email-peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-06-24 15:11   ` [PATCH 02/12] [media] dvb-pll: Add support for THOMSON DTT7546X tuner Peter Griffin
     [not found]     ` <1435158670-7195-3-git-send-email-peter.griffin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-06-25  1:17       ` Joe Perches
2015-07-22 21:58         ` Mauro Carvalho Chehab
     [not found]           ` <20150722185811.2d718baa-+RedX5hVuTR+urZeOPWqwQ@public.gmane.org>
2015-07-30  9:47             ` Peter Griffin
2015-07-30 10:08               ` Joe Perches
     [not found]                 ` <1438250928.2677.10.camel-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
2015-07-30 11:14                   ` Michael Ira Krufky
     [not found]                     ` <CAOcJUbw5hSmPdrz6rPPYU6iMBHnvOZc1p3f+4WhEYq2-XmAPVw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-30 11:17                       ` Michael Ira Krufky
2015-07-30 14:33                         ` Peter Griffin
2015-07-30 11:37                     ` Michael Ira Krufky
2015-07-30 14:34                       ` Peter Griffin
2015-07-22 17:10     ` Mauro Carvalho Chehab
2015-07-30  9:46       ` Peter Griffin
2015-06-24 15:11   ` [PATCH 09/12] [media] tsin: c8sectpfe: Add support for various ST NIM cards Peter Griffin
2015-07-22 21:53     ` Mauro Carvalho Chehab
2015-07-30  9:43       ` Peter Griffin
2015-06-24 15:11   ` Peter Griffin [this message]
2015-06-24 15:11   ` [PATCH 11/12] [media] tsin: c8sectpfe: Add Kconfig and Makefile for the driver Peter Griffin
2015-06-25  7:23     ` Paul Bolle
2015-07-22  7:38       ` Peter Griffin
2015-07-22 21:56     ` Mauro Carvalho Chehab
2015-07-30  9:39       ` Peter Griffin
2015-06-24 15:11   ` [PATCH 12/12] MAINTAINERS: Add c8sectpfe driver directory to STi section Peter Griffin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1435158670-7195-11-git-send-email-peter.griffin@linaro.org \
    --to=peter.griffin-qsej5fyqhm4dnm+yrofe0a@public.gmane.org \
    --cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=hugues.fruchet-qxv4g6HH51o@public.gmane.org \
    --cc=lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
    --cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=maxime.coquelin-qxv4g6HH51o@public.gmane.org \
    --cc=mchehab-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org \
    --cc=patrice.chotard-qxv4g6HH51o@public.gmane.org \
    --cc=srinivas.kandagatla-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).