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From dda4110e4b365da5a520e8c2e3964d556206881d Mon Sep 17 00:00:00 2001
From: warmcat <andy@warmcat.com>
Date: Sun, 13 Apr 2008 07:25:52 +0100
Subject: [PATCH] debug-glamo-dump-regs.patch
From: Andy Green <andy@openmoko.com>
Sigend-off-by: Andy Green <andy@openmoko.com>
---
drivers/mfd/glamo/glamo-core.c | 91 +++++++++++++++++++++++++++++++++++++++-
1 files changed, 90 insertions(+), 1 deletions(-)
diff --git a/drivers/mfd/glamo/glamo-core.c b/drivers/mfd/glamo/glamo-core.c
index 4d8e47f..accd933 100644
--- a/drivers/mfd/glamo/glamo-core.c
+++ b/drivers/mfd/glamo/glamo-core.c
@@ -977,10 +977,92 @@ static int glamo_supported(struct glamo_core *glamo)
return 1;
}
+static ssize_t regs_write(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned long reg = simple_strtoul(buf, NULL, 10);
+ struct glamo_core *glamo = dev_get_drvdata(dev);
+
+ while (*buf && (*buf != ' '))
+ buf++;
+ if (*buf != ' ')
+ return -EINVAL;
+ while (*buf && (*buf == ' '))
+ buf++;
+ if (!*buf)
+ return -EINVAL;
+
+ printk(KERN_INFO"reg 0x%02lX <-- 0x%04lX\n",
+ reg, simple_strtoul(buf, NULL, 10));
+
+ __reg_write(glamo, reg, simple_strtoul(buf, NULL, 10));
+
+ return count;
+}
+
+static ssize_t regs_read(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct glamo_core *glamo = dev_get_drvdata(dev);
+ int n, n1 = 0, r;
+ char * end = buf;
+ struct reg_range {
+ int start;
+ int count;
+ char * name;
+ };
+ struct reg_range reg_range[] = {
+ { 0x0000, 0x200, "General" },
+ { 0x0200, 0x100, "Host Bus" },
+ { 0x0300, 0x100, "Memory" },
+/* { 0x0400, 0x100, "Sensor" },
+ { 0x0500, 0x300, "ISP" },
+ { 0x0800, 0x400, "JPEG" },
+ { 0x0c00, 0x500, "MPEG" },
+ { 0x1100, 0x400, "LCD" },
+ { 0x1500, 0x080, "MPU 0" },
+ { 0x1580, 0x080, "MPU 1" },
+ { 0x1600, 0x080, "Command Queue" },
+ { 0x1680, 0x080, "RISC CPU" },
+ { 0x1700, 0x400, "2D Unit" },
+ { 0x1b00, 0x900, "3D Unit" },
+*/
+ };
+
+ spin_lock(&glamo->lock);
+
+ for (r = 0; r < ARRAY_SIZE(reg_range); r++) {
+ n1 = 0;
+ end += sprintf(end, "\n%s\n\n", reg_range[r].name);
+ for (n = reg_range[r].start;
+ n < reg_range[r].start + reg_range[r].count; n += 2) {
+ if (((n1++) & 7) == 0)
+ end += sprintf(end, "\n%04X: ",
+ n + reg_range[r].start);
+ end += sprintf(end, "%04x ", __reg_read(glamo, n));
+ }
+ end += sprintf(end, "\n");
+ }
+ spin_unlock(&glamo->lock);
+
+ return end - buf;
+}
+
+static DEVICE_ATTR(regs, 0644, regs_read, regs_write);
+static struct attribute *glamo_sysfs_entries[] = {
+ &dev_attr_regs.attr,
+ NULL
+};
+static struct attribute_group glamo_attr_group = {
+ .name = NULL,
+ .attrs = glamo_sysfs_entries,
+};
+
+
static int __init glamo_probe(struct platform_device *pdev)
{
- int rc, irq;
+ int rc = 0, irq;
struct glamo_core *glamo;
if (glamo_handle) {
@@ -1080,6 +1162,12 @@ static int __init glamo_probe(struct platform_device *pdev)
goto out_free;
}
+ rc = sysfs_create_group(&pdev->dev.kobj, &glamo_attr_group);
+ if (rc < 0) {
+ dev_err(&pdev->dev, "cannot create sysfs group\n");
+ goto out_free;
+ }
+
platform_set_drvdata(pdev, glamo);
dev_dbg(&glamo->pdev->dev, "running init script\n");
@@ -1103,6 +1191,7 @@ static int __init glamo_probe(struct platform_device *pdev)
glamo->irq_works = 1;
} else
glamo->irq_works = 0;
+
return 0;
out_free:
--
1.5.6.5
|
