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linux: update RPi patches

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Signed-off-by: Stephan Raue <stephan@openelec.tv>
This commit is contained in:
Stephan Raue 2012-09-14 12:30:05 +02:00
parent 844bc09944
commit 5086b315c5
2 changed files with 669 additions and 21 deletions
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586
packages/linux/patches/linux-3.2.28-601-RPi_support-87d5bc1.patch → packages/linux/patches/linux-3.2.28-601-RPi_support-e33263e.patch
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@ -2642,10 +2642,10 @@ index 0000000..0aa916e
+#endif
diff --git a/arch/arm/mach-bcm2708/bcm2708.c b/arch/arm/mach-bcm2708/bcm2708.c
new file mode 100644
index 0000000..6f63532
index 0000000..b3dbbd1
--- /dev/null
+++ b/arch/arm/mach-bcm2708/bcm2708.c
@@ -0,0 +1,814 @@
@@ -0,0 +1,825 @@
+/*
+ * linux/arch/arm/mach-bcm2708/bcm2708.c
+ *
@ -3240,6 +3240,14 @@ index 0000000..6f63532
+ .resource = bcm2708_bsc1_resources,
+};
+
+static struct platform_device bcm2835_hwmon_device = {
+ .name = "bcm2835_hwmon",
+};
+
+static struct platform_device bcm2835_thermal_device = {
+ .name = "bcm2835_thermal",
+};
+
+int __init bcm_register_device(struct platform_device *pdev)
+{
+ int ret;
@ -3304,6 +3312,9 @@ index 0000000..6f63532
+ bcm_register_device(&bcm2708_bsc0_device);
+ bcm_register_device(&bcm2708_bsc1_device);
+
+ bcm_register_device(&bcm2835_hwmon_device);
+ bcm_register_device(&bcm2835_thermal_device);
+
+#ifdef CONFIG_BCM2708_VCMEM
+ {
+ extern void vc_mem_connected_init(void);
@ -7503,6 +7514,255 @@ index 0000000..aa6fc66
+module_init(bcm2835_cpufreq_module_init);
+module_exit(bcm2835_cpufreq_module_exit);
+
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 83e3e9d..761b528 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1361,6 +1361,15 @@ config SENSORS_MC13783_ADC
help
Support for the A/D converter on MC13783 PMIC.
+config SENSORS_BCM2835
+ tristate "Broadcom BCM2835 HWMON Driver"
+ help
+ If you say yes here you get support for the hardware
+ monitoring features of the BCM2835 Chip
+
+ This driver can also be built as a module. If so, the module
+ will be called bcm2835-hwmon.
+
if ACPI
comment "ACPI drivers"
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 8251ce8..8f2743b 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -125,6 +125,7 @@ obj-$(CONFIG_SENSORS_W83L785TS) += w83l785ts.o
obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o
obj-$(CONFIG_SENSORS_WM831X) += wm831x-hwmon.o
obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o
+obj-$(CONFIG_SENSORS_BCM2835) += bcm2835-hwmon.o
obj-$(CONFIG_PMBUS) += pmbus/
diff --git a/drivers/hwmon/bcm2835-hwmon.c b/drivers/hwmon/bcm2835-hwmon.c
new file mode 100644
index 0000000..4976387
--- /dev/null
+++ b/drivers/hwmon/bcm2835-hwmon.c
@@ -0,0 +1,211 @@
+//bcm2835-hwmon.c
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/platform_device.h>
+#include <linux/sysfs.h>
+#include <mach/vcio.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+
+#define MODULE_NAME "bcm2835_hwmon"
+
+/*#define HWMON_DEBUG_ENABLE*/
+
+#ifdef HWMON_DEBUG_ENABLE
+#define print_debug(fmt,...) printk(KERN_INFO "%s:%s:%d: "fmt"\n", MODULE_NAME, __func__, __LINE__, ##__VA_ARGS__)
+#else
+#define print_debug(fmt,...)
+#endif
+#define print_err(fmt,...) printk(KERN_ERR "%s:%s:%d: "fmt"\n", MODULE_NAME, __func__,__LINE__, ##__VA_ARGS__)
+#define print_info(fmt,...) printk(KERN_INFO "%s: "fmt"\n", MODULE_NAME, ##__VA_ARGS__)
+
+#define VC_TAG_GET_TEMP 0x00030006
+#define VC_TAG_GET_MAX_TEMP 0x0003000A
+struct bcm2835_hwmon_data {
+ struct device *hwmon_dev;
+};
+
+/* --- STRUCTS --- */
+
+/* tag part of the message */
+struct vc_msg_tag {
+ uint32_t tag_id; /* the tag ID for the temperature */
+ uint32_t buffer_size; /* size of the buffer (should be 8) */
+ uint32_t request_code; /* identifies message as a request (should be 0) */
+ uint32_t id; /* extra ID field (should be 0) */
+ uint32_t val; /* returned value of the temperature */
+};
+
+/* message structure to be sent to videocore */
+struct vc_msg {
+ uint32_t msg_size; /* simply, sizeof(struct vc_msg) */
+ uint32_t request_code; /* holds various information like the success and number of bytes returned (refer to mailboxes wiki) */
+ struct vc_msg_tag tag; /* the tag structure above to make */
+ uint32_t end_tag; /* an end identifier, should be set to NULL */
+};
+
+typedef enum {
+ TEMP,
+ MAX_TEMP,
+} temp_type;
+
+/* --- PROTOTYPES --- */
+static ssize_t bcm2835_get_temp(struct device *dev, struct device_attribute *attr, char *buf);
+static ssize_t bcm2835_get_name(struct device *dev, struct device_attribute *attr, char *buf);
+
+/* --- GLOBALS --- */
+
+static struct bcm2835_hwmon_data *bcm2835_data;
+static struct platform_driver bcm2835_hwmon_driver;
+
+static SENSOR_DEVICE_ATTR(name, S_IRUGO,bcm2835_get_name,NULL,0);
+static SENSOR_DEVICE_ATTR(temp1_input,S_IRUGO,bcm2835_get_temp,NULL,TEMP);
+static SENSOR_DEVICE_ATTR(temp,S_IRUGO,bcm2835_get_temp,NULL,TEMP);
+static SENSOR_DEVICE_ATTR(temp1_max,S_IRUGO,bcm2835_get_temp,NULL,MAX_TEMP);
+static SENSOR_DEVICE_ATTR(trip_point_0_temp,S_IRUGO,bcm2835_get_temp,NULL,MAX_TEMP);
+
+static struct attribute* bcm2835_attributes[] = {
+ &sensor_dev_attr_name.dev_attr.attr,
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_temp.dev_attr.attr,
+ &sensor_dev_attr_trip_point_0_temp.dev_attr.attr,
+ NULL,
+};
+
+static struct attribute_group bcm2835_attr_group = {
+ .attrs = bcm2835_attributes,
+};
+
+/* --- FUNCTIONS --- */
+
+static ssize_t bcm2835_get_name(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf,"bcm2835_hwmon\n");
+}
+
+static ssize_t bcm2835_get_temp(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct vc_msg msg;
+ int result;
+ uint temp = 0;
+ int index = ((struct sensor_device_attribute*)to_sensor_dev_attr(attr))->index;
+
+ print_debug("IN");
+
+ /* wipe all previous message data */
+ memset(&msg, 0, sizeof msg);
+
+ /* determine the message type */
+ if(index == TEMP)
+ msg.tag.tag_id = VC_TAG_GET_TEMP;
+ else if (index == MAX_TEMP)
+ msg.tag.tag_id = VC_TAG_GET_MAX_TEMP;
+ else
+ {
+ print_debug("Unknown temperature message!");
+ return -EINVAL;
+ }
+
+ msg.msg_size = sizeof msg;
+ msg.tag.buffer_size = 8;
+
+ /* send the message */
+ result = bcm_mailbox_property(&msg, sizeof msg);
+
+ /* check if it was all ok and return the rate in milli degrees C */
+ if (result == 0 && (msg.request_code & 0x80000000))
+ temp = (uint)msg.tag.val;
+ #ifdef HWMON_DEBUG_ENABLE
+ else
+ print_debug("Failed to get temperature!");
+ #endif
+ print_debug("Got temperature as %u",temp);
+ print_debug("OUT");
+ return sprintf(buf, "%u\n", temp);
+}
+
+
+static int bcm2835_hwmon_probe(struct platform_device *pdev)
+{
+ int err;
+
+ print_debug("IN");
+ print_debug("HWMON Driver has been probed!");
+
+ /* check that the device isn't null!*/
+ if(pdev == NULL)
+ {
+ print_debug("Platform device is empty!");
+ return -ENODEV;
+ }
+
+ /* allocate memory for neccessary data */
+ bcm2835_data = kzalloc(sizeof(struct bcm2835_hwmon_data),GFP_KERNEL);
+ if(!bcm2835_data)
+ {
+ print_debug("Unable to allocate memory for hwmon data!");
+ err = -ENOMEM;
+ goto kzalloc_error;
+ }
+
+ /* create the sysfs files */
+ if(sysfs_create_group(&pdev->dev.kobj, &bcm2835_attr_group))
+ {
+ print_debug("Unable to create sysfs files!");
+ err = -EFAULT;
+ goto sysfs_error;
+ }
+
+ /* register the hwmon device */
+ bcm2835_data->hwmon_dev = hwmon_device_register(&pdev->dev);
+ if (IS_ERR(bcm2835_data->hwmon_dev))
+ {
+ err = PTR_ERR(bcm2835_data->hwmon_dev);
+ goto hwmon_error;
+ }
+ print_debug("OUT");
+ return 0;
+
+ /* error goto's */
+ hwmon_error:
+ sysfs_remove_group(&pdev->dev.kobj, &bcm2835_attr_group);
+
+ sysfs_error:
+ kfree(bcm2835_data);
+
+ kzalloc_error:
+
+ return err;
+
+}
+
+static int bcm2835_hwmon_remove(struct platform_device *pdev)
+{
+ print_debug("IN");
+ hwmon_device_unregister(bcm2835_data->hwmon_dev);
+
+ sysfs_remove_group(&pdev->dev.kobj, &bcm2835_attr_group);
+ print_debug("OUT");
+ return 0;
+}
+
+/* Hwmon Driver */
+static struct platform_driver bcm2835_hwmon_driver = {
+ .probe = bcm2835_hwmon_probe,
+ .remove = bcm2835_hwmon_remove,
+ .driver = {
+ .name = "bcm2835_hwmon",
+ .owner = THIS_MODULE,
+ },
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Dorian Peake");
+MODULE_DESCRIPTION("HW Monitor driver for bcm2835 chip");
+
+module_platform_driver(bcm2835_hwmon_driver);
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index a3afac4..cbc62ff 100644
--- a/drivers/i2c/busses/Kconfig
@ -32058,6 +32318,234 @@ index 0000000..ef8fef0
+MODULE_AUTHOR("Chris Boot <bootc@bootc.net>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index f7f71b2..a5017b4 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -18,3 +18,13 @@ config THERMAL_HWMON
depends on THERMAL
depends on HWMON=y || HWMON=THERMAL
default y
+
+if THERMAL
+
+config THERMAL_BCM2835
+ tristate "BCM2835 Thermal Driver"
+ help
+ This will enable temperature monitoring for the Broadcom BCM2835
+ chip. If built as a module, it will be called 'bcm2835-thermal'.
+
+endif # THERMAL_BCM2835
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index 31108a0..48081d1 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -3,3 +3,4 @@
#
obj-$(CONFIG_THERMAL) += thermal_sys.o
+obj-$(CONFIG_THERMAL_BCM2835) += bcm2835-thermal.o
diff --git a/drivers/thermal/bcm2835-thermal.c b/drivers/thermal/bcm2835-thermal.c
new file mode 100644
index 0000000..c6420de
--- /dev/null
+++ b/drivers/thermal/bcm2835-thermal.c
@@ -0,0 +1,195 @@
+//bcm2835-thermal.c
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <mach/vcio.h>
+#include <linux/thermal.h>
+
+
+/* --- DEFINITIONS --- */
+#define MODULE_NAME "bcm2835_thermal"
+
+/*#define THERMAL_DEBUG_ENABLE*/
+
+#ifdef THERMAL_DEBUG_ENABLE
+#define print_debug(fmt,...) printk(KERN_INFO "%s:%s:%d: "fmt"\n", MODULE_NAME, __func__, __LINE__, ##__VA_ARGS__)
+#else
+#define print_debug(fmt,...)
+#endif
+#define print_err(fmt,...) printk(KERN_ERR "%s:%s:%d: "fmt"\n", MODULE_NAME, __func__,__LINE__, ##__VA_ARGS__)
+#define print_info(fmt,...) printk(KERN_INFO "%s: "fmt"\n", MODULE_NAME, ##__VA_ARGS__)
+
+#define VC_TAG_GET_TEMP 0x00030006
+#define VC_TAG_GET_MAX_TEMP 0x0003000A
+
+typedef enum {
+ TEMP,
+ MAX_TEMP,
+} temp_type;
+
+/* --- STRUCTS --- */
+/* tag part of the message */
+struct vc_msg_tag {
+ uint32_t tag_id; /* the tag ID for the temperature */
+ uint32_t buffer_size; /* size of the buffer (should be 8) */
+ uint32_t request_code; /* identifies message as a request (should be 0) */
+ uint32_t id; /* extra ID field (should be 0) */
+ uint32_t val; /* returned value of the temperature */
+};
+
+/* message structure to be sent to videocore */
+struct vc_msg {
+ uint32_t msg_size; /* simply, sizeof(struct vc_msg) */
+ uint32_t request_code; /* holds various information like the success and number of bytes returned (refer to mailboxes wiki) */
+ struct vc_msg_tag tag; /* the tag structure above to make */
+ uint32_t end_tag; /* an end identifier, should be set to NULL */
+};
+
+struct bcm2835_thermal_data {
+ struct thermal_zone_device *thermal_dev;
+ struct vc_msg msg;
+};
+
+/* --- PROTOTYPES --- */
+static int bcm2835_get_temp(struct thermal_zone_device *thermal_dev, unsigned long *);
+static int bcm2835_get_max_temp(struct thermal_zone_device *thermal_dev, int, unsigned long *);
+static int bcm2835_get_trip_type(struct thermal_zone_device *thermal_dev, int trip_num, enum thermal_trip_type *trip_type);
+static int bcm2835_get_mode(struct thermal_zone_device *thermal_dev, enum thermal_device_mode *dev_mode);
+
+/* --- GLOBALS --- */
+static struct bcm2835_thermal_data bcm2835_data;
+
+/* Thermal Device Operations */
+static struct thermal_zone_device_ops ops;
+
+/* --- FUNCTIONS --- */
+static int bcm2835_get_max_temp(struct thermal_zone_device *thermal_dev, int trip_num, unsigned long *temp)
+{
+ int result;
+
+ print_debug("IN");
+
+ /* wipe all previous message data */
+ memset(&bcm2835_data.msg, 0, sizeof bcm2835_data.msg);
+
+ /* prepare message */
+ bcm2835_data.msg.msg_size = sizeof bcm2835_data.msg;
+ bcm2835_data.msg.tag.buffer_size = 8;
+ bcm2835_data.msg.tag.tag_id = VC_TAG_GET_MAX_TEMP;
+
+ /* send the message */
+ result = bcm_mailbox_property(&bcm2835_data.msg, sizeof bcm2835_data.msg);
+
+ /* check if it was all ok and return the rate in milli degrees C */
+ if (result == 0 && (bcm2835_data.msg.request_code & 0x80000000))
+ *temp = (uint)bcm2835_data.msg.tag.val;
+ #ifdef THERMAL_DEBUG_ENABLE
+ else
+ print_debug("Failed to get temperature!");
+ #endif
+ print_debug("Got temperature as %u",(uint)*temp);
+ print_debug("OUT");
+ return 0;
+}
+
+static int bcm2835_get_temp(struct thermal_zone_device *thermal_dev, unsigned long *temp)
+{
+ int result;
+
+ print_debug("IN");
+
+ /* wipe all previous message data */
+ memset(&bcm2835_data.msg, 0, sizeof bcm2835_data.msg);
+
+ /* prepare message */
+ bcm2835_data.msg.msg_size = sizeof bcm2835_data.msg;
+ bcm2835_data.msg.tag.buffer_size = 8;
+ bcm2835_data.msg.tag.tag_id = VC_TAG_GET_TEMP;
+
+ /* send the message */
+ result = bcm_mailbox_property(&bcm2835_data.msg, sizeof bcm2835_data.msg);
+
+ /* check if it was all ok and return the rate in milli degrees C */
+ if (result == 0 && (bcm2835_data.msg.request_code & 0x80000000))
+ *temp = (uint)bcm2835_data.msg.tag.val;
+ #ifdef THERMAL_DEBUG_ENABLE
+ else
+ print_debug("Failed to get temperature!");
+ #endif
+ print_debug("Got temperature as %u",(uint)*temp);
+ print_debug("OUT");
+ return 0;
+}
+
+
+static int bcm2835_get_trip_type(struct thermal_zone_device * thermal_dev, int trip_num, enum thermal_trip_type *trip_type)
+{
+ *trip_type = THERMAL_TRIP_HOT;
+ return 0;
+}
+
+
+static int bcm2835_get_mode(struct thermal_zone_device *thermal_dev, enum thermal_device_mode *dev_mode)
+{
+ *dev_mode = THERMAL_DEVICE_ENABLED;
+ return 0;
+}
+
+
+static int bcm2835_thermal_probe(struct platform_device *pdev)
+{
+ print_debug("IN");
+ print_debug("THERMAL Driver has been probed!");
+
+ /* check that the device isn't null!*/
+ if(pdev == NULL)
+ {
+ print_debug("Platform device is empty!");
+ return -ENODEV;
+ }
+
+ if(!(bcm2835_data.thermal_dev = thermal_zone_device_register("bcm2835_thermal", 1, NULL, &ops,1,1,1000,1000)))
+ {
+ print_debug("Unable to register the thermal device!");
+ return -EFAULT;
+ }
+ return 0;
+}
+
+
+static int bcm2835_thermal_remove(struct platform_device *pdev)
+{
+ print_debug("IN");
+
+ thermal_zone_device_unregister(bcm2835_data.thermal_dev);
+
+ print_debug("OUT");
+
+ return 0;
+}
+
+static struct thermal_zone_device_ops ops = {
+ .get_temp = bcm2835_get_temp,
+ .get_trip_temp = bcm2835_get_max_temp,
+ .get_trip_type = bcm2835_get_trip_type,
+ .get_mode = bcm2835_get_mode,
+};
+
+/* Thermal Driver */
+static struct platform_driver bcm2835_thermal_driver = {
+ .probe = bcm2835_thermal_probe,
+ .remove = bcm2835_thermal_remove,
+ .driver = {
+ .name = "bcm2835_thermal",
+ .owner = THIS_MODULE,
+ },
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Dorian Peake");
+MODULE_DESCRIPTION("Thermal driver for bcm2835 chip");
+
+module_platform_driver(bcm2835_thermal_driver);
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index 75eca76..a6b7e41 100644
--- a/drivers/usb/Makefile
@ -60702,10 +61190,10 @@ index 0000000..2ff1532
+#endif
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_driver.c b/drivers/usb/host/dwc_otg/dwc_otg_driver.c
new file mode 100644
index 0000000..b618f4b
index 0000000..d5d8c4b
--- /dev/null
+++ b/drivers/usb/host/dwc_otg/dwc_otg_driver.c
@@ -0,0 +1,1727 @@
@@ -0,0 +1,1732 @@
+/* ==========================================================================
+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_driver.c $
+ * $Revision: #92 $
@ -60949,7 +61437,10 @@ index 0000000..b618f4b
+};
+
+//Global variable to switch the fiq fix on or off
+bool fiq_fix_enable = false;
+bool fiq_fix_enable = true;
+
+//Global variable to switch the nak holdoff on or off
+bool nak_holdoff_enable = true;
+
+
+/**
@ -61794,6 +62285,7 @@ index 0000000..b618f4b
+ return retval;
+ }
+ printk(KERN_DEBUG "dwc_otg: FIQ %s\n", fiq_fix_enable ? "enabled":"disabled");
+ printk(KERN_DEBUG "dwc_otg: NAK holdoff %s\n", nak_holdoff_enable ? "enabled":"disabled");
+
+ error = driver_create_file(drv, &driver_attr_version);
+#ifdef DEBUG
@ -62074,9 +62566,10 @@ index 0000000..b618f4b
+module_param(microframe_schedule, bool, 0444);
+MODULE_PARM_DESC(microframe_schedule, "Enable the microframe scheduler");
+
+
+module_param(fiq_fix_enable, bool, 0444);
+MODULE_PARM_DESC(fiq_fix_enable, "Enable the fiq fix");
+module_param(nak_holdoff_enable, bool, 0444);
+MODULE_PARM_DESC(nak_holdoff_enable, "Enable the NAK holdoff");
+
+/** @page "Module Parameters"
+ *
@ -62527,10 +63020,10 @@ index 0000000..8a0e41b
+#endif
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
new file mode 100644
index 0000000..0ce7e46
index 0000000..2b7945a
--- /dev/null
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
@@ -0,0 +1,3478 @@
@@ -0,0 +1,3498 @@
+
+/* ==========================================================================
+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_hcd.c $
@ -63060,6 +63553,8 @@ index 0000000..0ce7e46
+{
+ dwc_otg_qh_t *qh;
+ dwc_otg_qtd_t *urb_qtd;
+ BUG_ON(!hcd);
+ BUG_ON(!dwc_otg_urb);
+
+#ifdef DEBUG /* integrity checks (Broadcom) */
+
@ -63076,14 +63571,17 @@ index 0000000..0ce7e46
+ return -DWC_E_INVALID;
+ }
+ urb_qtd = dwc_otg_urb->qtd;
+ BUG_ON(!urb_qtd);
+ if (urb_qtd->qh == NULL) {
+ DWC_ERROR("**** DWC OTG HCD URB Dequeue with QTD with NULL Q handler\n");
+ return -DWC_E_INVALID;
+ }
+#else
+ urb_qtd = dwc_otg_urb->qtd;
+ BUG_ON(!urb_qtd);
+#endif
+ qh = urb_qtd->qh;
+ BUG_ON(!qh);
+ if (CHK_DEBUG_LEVEL(DBG_HCDV | DBG_HCD_URB)) {
+ if (urb_qtd->in_process) {
+ dump_channel_info(hcd, qh);
@ -63842,6 +64340,22 @@ index 0000000..0ce7e46
+ num_channels - hcd->periodic_channels) &&
+ !DWC_CIRCLEQ_EMPTY(&hcd->free_hc_list)) {
+
+ qh = DWC_LIST_ENTRY(qh_ptr, dwc_otg_qh_t, qh_list_entry);
+
+ /*
+ * Check to see if this is a NAK'd retransmit, in which case ignore for retransmission
+ * we hold off on bulk retransmissions to reduce NAK interrupt overhead for
+ * cheeky devices that just hold off using NAKs
+ */
+ if (dwc_full_frame_num(qh->nak_frame) == dwc_full_frame_num(dwc_otg_hcd_get_frame_number(hcd))) {
+ // Make fiq interrupt run on next frame (i.e. 8 uframes)
+ g_next_sched_frame = ((qh->nak_frame + 8) & ~7) & DWC_HFNUM_MAX_FRNUM;
+ qh_ptr = DWC_LIST_NEXT(qh_ptr);
+ continue;
+ }
+ else
+ qh->nak_frame = 0xffff;
+
+ if (microframe_schedule) {
+ DWC_SPINLOCK_IRQSAVE(channel_lock, &flags);
+ if (hcd->available_host_channels < 1) {
@ -63854,7 +64368,6 @@ index 0000000..0ce7e46
+ last_sel_trans_num_nonper_scheduled++;
+#endif /* DEBUG_HOST_CHANNELS */
+ }
+ qh = DWC_LIST_ENTRY(qh_ptr, dwc_otg_qh_t, qh_list_entry);
+
+ assign_and_init_hc(hcd, qh);
+
@ -66011,10 +66524,10 @@ index 0000000..0ce7e46
+#endif /* DWC_DEVICE_ONLY */
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd.h b/drivers/usb/host/dwc_otg/dwc_otg_hcd.h
new file mode 100644
index 0000000..6d82127
index 0000000..45e44ea
--- /dev/null
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.h
@@ -0,0 +1,824 @@
@@ -0,0 +1,829 @@
+/* ==========================================================================
+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_hcd.h $
+ * $Revision: #58 $
@ -66338,6 +66851,11 @@ index 0000000..6d82127
+ */
+ uint16_t sched_frame;
+
+ /*
+ ** Frame a NAK was received on this queue head, used to minimise NAK retransmission
+ */
+ uint16_t nak_frame;
+
+ /** (micro)frame at which last start split was initialized. */
+ uint16_t start_split_frame;
+
@ -68402,10 +68920,10 @@ index 0000000..04ca4c2
+#endif /* DWC_DEVICE_ONLY */
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
new file mode 100644
index 0000000..21e8f09
index 0000000..3e762e2
--- /dev/null
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_intr.c
@@ -0,0 +1,2229 @@
@@ -0,0 +1,2246 @@
+/* ==========================================================================
+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_hcd_intr.c $
+ * $Revision: #89 $
@ -68464,7 +68982,12 @@ index 0000000..21e8f09
+int g_next_sched_frame, g_np_count, g_np_sent, g_work_expected;
+static int mphi_int_count = 0 ;
+
+extern bool fiq_fix_enable;
+extern bool fiq_fix_enable, nak_holdoff_enable;
+
+hcchar_data_t nak_hcchar;
+hctsiz_data_t nak_hctsiz;
+hcsplt_data_t nak_hcsplt;
+int nak_count;
+
+void __attribute__ ((naked)) dwc_otg_hcd_handle_fiq(void)
+{
@ -69827,6 +70350,18 @@ index 0000000..21e8f09
+ "NAK Received--\n", hc->hc_num);
+
+ /*
+ * When we get bulk NAKs then remember this so we holdoff on this qh until
+ * the beginning of the next frame
+ */
+ switch(dwc_otg_hcd_get_pipe_type(&qtd->urb->pipe_info)) {
+ case UE_BULK:
+ //case UE_INTERRUPT:
+ //case UE_CONTROL:
+ if (nak_holdoff_enable)
+ hc->qh->nak_frame = dwc_otg_hcd_get_frame_number(hcd);
+ }
+
+ /*
+ * Handle NAK for IN/OUT SSPLIT/CSPLIT transfers, bulk, control, and
+ * interrupt. Re-start the SSPLIT transfer.
+ */
@ -71581,10 +72116,10 @@ index 0000000..f91c4b1
+#endif /* DWC_DEVICE_ONLY */
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
new file mode 100644
index 0000000..ac10323
index 0000000..e6b2a7b
--- /dev/null
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
@@ -0,0 +1,938 @@
@@ -0,0 +1,957 @@
+/* ==========================================================================
+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_hcd_queue.c $
+ * $Revision: #44 $
@ -71768,6 +72303,7 @@ index 0000000..ac10323
+ if (microframe_schedule)
+ qh->speed = dev_speed;
+
+ qh->nak_frame = 0xffff;
+
+ if (((dev_speed == USB_SPEED_LOW) ||
+ (dev_speed == USB_SPEED_FULL)) &&
@ -72351,6 +72887,24 @@ index 0000000..ac10323
+ int sched_next_periodic_split)
+{
+ if (dwc_qh_is_non_per(qh)) {
+
+ dwc_otg_qh_t *qh_tmp;
+ dwc_list_link_t *qh_list;
+ DWC_LIST_FOREACH(qh_list, &hcd->non_periodic_sched_inactive)
+ {
+ qh_tmp = DWC_LIST_ENTRY(qh_list, struct dwc_otg_qh, qh_list_entry);
+ if(qh_tmp == qh)
+ {
+ /*
+ * FIQ is being disabled because this one nevers gets a np_count increment
+ * This is still not absolutely correct, but it should fix itself with
+ * just an unnecessary extra interrupt
+ */
+ g_np_sent = g_np_count;
+ }
+ }
+
+
+ dwc_otg_hcd_qh_remove(hcd, qh);
+ if (!DWC_CIRCLEQ_EMPTY(&qh->qtd_list)) {
+ /* Add back to inactive non-periodic schedule. */

102
projects/RPi/linux/linux.arm.conf
View File

@ -390,10 +390,10 @@ CONFIG_CMDLINE_EXTEND=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
# CONFIG_CPU_FREQ_STAT is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
@ -1005,8 +1005,102 @@ CONFIG_POWER_SUPPLY=y
# CONFIG_BATTERY_MAX17042 is not set
# CONFIG_CHARGER_MAX8903 is not set
# CONFIG_CHARGER_GPIO is not set
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
CONFIG_HWMON=y
# CONFIG_HWMON_VID is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
#
# Native drivers
#
# CONFIG_SENSORS_AD7414 is not set
# CONFIG_SENSORS_AD7418 is not set
# CONFIG_SENSORS_ADM1021 is not set
# CONFIG_SENSORS_ADM1025 is not set
# CONFIG_SENSORS_ADM1026 is not set
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ADT7411 is not set
# CONFIG_SENSORS_ADT7462 is not set
# CONFIG_SENSORS_ADT7470 is not set
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_ASC7621 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS620 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_F71882FG is not set
# CONFIG_SENSORS_F75375S is not set
# CONFIG_SENSORS_G760A is not set
# CONFIG_SENSORS_GL518SM is not set
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_GPIO_FAN is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_JC42 is not set
# CONFIG_SENSORS_LINEAGE is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM73 is not set
# CONFIG_SENSORS_LM75 is not set
# CONFIG_SENSORS_LM77 is not set
# CONFIG_SENSORS_LM78 is not set
# CONFIG_SENSORS_LM80 is not set
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
# CONFIG_SENSORS_LM87 is not set
# CONFIG_SENSORS_LM90 is not set
# CONFIG_SENSORS_LM92 is not set
# CONFIG_SENSORS_LM93 is not set
# CONFIG_SENSORS_LTC4151 is not set
# CONFIG_SENSORS_LTC4215 is not set
# CONFIG_SENSORS_LTC4245 is not set
# CONFIG_SENSORS_LTC4261 is not set
# CONFIG_SENSORS_LM95241 is not set
# CONFIG_SENSORS_LM95245 is not set
# CONFIG_SENSORS_MAX16065 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_MAX1668 is not set
# CONFIG_SENSORS_MAX6639 is not set
# CONFIG_SENSORS_MAX6642 is not set
# CONFIG_SENSORS_MAX6650 is not set
# CONFIG_SENSORS_NTC_THERMISTOR is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_PC87427 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_PMBUS is not set
# CONFIG_SENSORS_SHT15 is not set
# CONFIG_SENSORS_SHT21 is not set
# CONFIG_SENSORS_SMM665 is not set
# CONFIG_SENSORS_DME1737 is not set
# CONFIG_SENSORS_EMC1403 is not set
# CONFIG_SENSORS_EMC2103 is not set
# CONFIG_SENSORS_EMC6W201 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_SCH56XX_COMMON is not set
# CONFIG_SENSORS_SCH5627 is not set
# CONFIG_SENSORS_SCH5636 is not set
# CONFIG_SENSORS_ADS1015 is not set
# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_AMC6821 is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_TMP102 is not set
# CONFIG_SENSORS_TMP401 is not set
# CONFIG_SENSORS_TMP421 is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83791D is not set
# CONFIG_SENSORS_W83792D is not set
# CONFIG_SENSORS_W83793 is not set
# CONFIG_SENSORS_W83795 is not set
# CONFIG_SENSORS_W83L785TS is not set
# CONFIG_SENSORS_W83L786NG is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
CONFIG_SENSORS_BCM2835=y
CONFIG_THERMAL=y
CONFIG_THERMAL_HWMON=y
CONFIG_THERMAL_BCM2835=y
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y