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authorGabor Juhos <juhosg@openwrt.org>2007-11-10 19:20:47 +0000
committerGabor Juhos <juhosg@openwrt.org>2007-11-10 19:20:47 +0000
commit6d59c121972b0f30151d52547c02361244379d2f (patch)
tree1f37fd1e10fcb9d617f0a09e3de37551a3e34095
parent3a42691fb0a78e952a8f4699005b45693d2e757e (diff)
downloadupstream-6d59c121972b0f30151d52547c02361244379d2f.tar.gz
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upstream-6d59c121972b0f30151d52547c02361244379d2f.zip
[adm5120] more USB driver fixes [http://openwrt.pastebin.ca/768610 bootlog :)]
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9530 3c298f89-4303-0410-b956-a3cf2f4a3e73
-rw-r--r--target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c4
-rw-r--r--target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c2
-rw-r--r--target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c25
-rw-r--r--target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c327
-rw-r--r--target/linux/adm5120/files/drivers/usb/host/adm5120-mem.c2
-rw-r--r--target/linux/adm5120/files/drivers/usb/host/adm5120.h19
6 files changed, 223 insertions, 156 deletions
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
index 7a0c73cc5f..26d0b219d1 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
@@ -243,7 +243,7 @@ admhc_dump_roothub(
{
u32 temp, i;
- temp = admhc_get_rhdesc(ahcd);
+ temp = admhc_read_rhdesc(ahcd);
if (temp == ~(u32)0)
return;
@@ -267,7 +267,7 @@ admhc_dump_roothub(
}
for (i = 0; i < ahcd->num_ports; i++) {
- temp = admhc_get_portstatus(ahcd, i);
+ temp = admhc_read_portstatus(ahcd, i);
dbg_port_sw(ahcd, i, temp, next, size);
}
}
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c
index 60f955279d..67c771ca46 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c
@@ -22,7 +22,7 @@
#include <linux/signal.h>
#include <asm/bootinfo.h>
-#include <asm/mach-adm5120/adm5120_defs.h>
+#include <adm5120_defs.h>
#ifdef DEBUG
#define HCD_DBG(f, a...) printk(KERN_DEBUG "%s: " f, hcd_name, ## a)
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
index 4dfd1f4fef..14fd0f96f2 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
@@ -45,13 +45,14 @@
#include "../core/hcd.h"
#include "../core/hub.h"
-#define DRIVER_VERSION "v0.03"
+#define DRIVER_VERSION "v0.04"
#define DRIVER_AUTHOR "Gabor Juhos <juhosg at openwrt.org>"
#define DRIVER_DESC "ADMtek USB 1.1 Host Controller Driver"
/*-------------------------------------------------------------------------*/
#define ADMHC_VERBOSE_DEBUG /* not always helpful */
+#define ADMHC_POLL_RH
#undef ADMHC_LOCK_DMA
/* For initializing controller (mask in an HCFS mode too) */
@@ -349,7 +350,7 @@ static int admhc_get_frame_number(struct usb_hcd *hcd)
static void admhc_usb_reset(struct admhcd *ahcd)
{
ahcd->host_control = ADMHC_BUSS_RESET;
- admhc_writel(ahcd, ahcd->host_control ,&ahcd->regs->host_control);
+ admhc_writel(ahcd, ahcd->host_control, &ahcd->regs->host_control);
}
/* admhc_shutdown forcibly disables IRQs and DMA, helping kexec and
@@ -466,7 +467,7 @@ static int admhc_init(struct admhcd *ahcd)
/* Read the number of ports unless overridden */
if (ahcd->num_ports == 0)
- ahcd->num_ports = admhc_get_rhdesc(ahcd) & ADMHC_RH_NUMP;
+ ahcd->num_ports = admhc_read_rhdesc(ahcd) & ADMHC_RH_NUMP;
ret = admhc_mem_init(ahcd);
if (ret)
@@ -531,18 +532,16 @@ static int admhc_run(struct admhcd *ahcd)
admhc_writel(ahcd, ahcd->host_control, &ahcd->regs->host_control);
msleep(temp);
- temp = admhc_get_rhdesc(ahcd);
+ temp = admhc_read_rhdesc(ahcd);
if (!(temp & ADMHC_RH_NPS)) {
/* power down each port */
for (temp = 0; temp < ahcd->num_ports; temp++)
- admhc_writel(ahcd, ADMHC_PS_CPP,
- &ahcd->regs->portstatus[temp]);
+ admhc_write_portstatus(ahcd, temp, ADMHC_PS_CPP);
}
/* 2msec timelimit here means no irqs/preempt */
spin_lock_irq(&ahcd->lock);
-retry:
admhc_writel(ahcd, ADMHC_CTRL_SR, &ahcd->regs->gencontrol);
temp = 30; /* ... allow extra time */
while ((admhc_readl(ahcd, &ahcd->regs->gencontrol) & ADMHC_CTRL_SR) != 0) {
@@ -615,25 +614,23 @@ static irqreturn_t admhc_irq(struct usb_hcd *hcd)
u32 ints;
ints = admhc_readl(ahcd, &regs->int_status);
- if ((ints & ADMHC_INTR_INTA) == 0) {
+ if (!(ints & ADMHC_INTR_INTA))
/* no unmasked interrupt status is set */
return IRQ_NONE;
- }
ints &= admhc_readl(ahcd, &regs->int_enable);
+ if (!ints)
+ return IRQ_NONE;
if (ints & ADMHC_INTR_FATI) {
- /* e.g. due to PCI Master/Target Abort */
admhc_disable(ahcd);
admhc_err(ahcd, "Fatal Error, controller disabled\n");
- admhc_dump(ahcd, 1);
admhc_usb_reset(ahcd);
}
if (ints & ADMHC_INTR_BABI) {
- admhc_intr_disable(ahcd, ADMHC_INTR_MIE);
- admhc_err(ahcd, "Babble Detected\n");
admhc_disable(ahcd);
+ admhc_err(ahcd, "Babble Detected\n");
admhc_usb_reset(ahcd);
}
@@ -711,7 +708,7 @@ static void admhc_stop(struct usb_hcd *hcd)
flush_scheduled_work();
admhc_usb_reset(ahcd);
- admhc_intr_disable(ahcd, ADMHC_INTR_MIE);
+ admhc_intr_disable(ahcd, ~0);
free_irq(hcd->irq, hcd);
hcd->irq = -1;
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
index 48e61e9880..f8bda82e00 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
@@ -17,42 +17,42 @@
admhc_dbg(hc, \
"%s port%d " \
"= 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s\n", \
- label, num, temp, \
- (temp & ADMHC_PS_PRSC) ? " PRSC" : "", \
- (temp & ADMHC_PS_OCIC) ? " OCIC" : "", \
- (temp & ADMHC_PS_PSSC) ? " PSSC" : "", \
- (temp & ADMHC_PS_PESC) ? " PESC" : "", \
- (temp & ADMHC_PS_CSC) ? " CSC" : "", \
+ label, num, value, \
+ (value & ADMHC_PS_PRSC) ? " PRSC" : "", \
+ (value & ADMHC_PS_OCIC) ? " OCIC" : "", \
+ (value & ADMHC_PS_PSSC) ? " PSSC" : "", \
+ (value & ADMHC_PS_PESC) ? " PESC" : "", \
+ (value & ADMHC_PS_CSC) ? " CSC" : "", \
\
- (temp & ADMHC_PS_LSDA) ? " LSDA" : "", \
- (temp & ADMHC_PS_PPS) ? " PPS" : "", \
- (temp & ADMHC_PS_PRS) ? " PRS" : "", \
- (temp & ADMHC_PS_POCI) ? " POCI" : "", \
- (temp & ADMHC_PS_PSS) ? " PSS" : "", \
+ (value & ADMHC_PS_LSDA) ? " LSDA" : "", \
+ (value & ADMHC_PS_PPS) ? " PPS" : "", \
+ (value & ADMHC_PS_PRS) ? " PRS" : "", \
+ (value & ADMHC_PS_POCI) ? " POCI" : "", \
+ (value & ADMHC_PS_PSS) ? " PSS" : "", \
\
- (temp & ADMHC_PS_PES) ? " PES" : "", \
- (temp & ADMHC_PS_CCS) ? " CCS" : "" \
+ (value & ADMHC_PS_PES) ? " PES" : "", \
+ (value & ADMHC_PS_CCS) ? " CCS" : "" \
);
#define dbg_port_write(hc,label,num,value) \
admhc_dbg(hc, \
"%s port%d " \
"= 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s\n", \
- label, num, temp, \
- (temp & ADMHC_PS_PRSC) ? " PRSC" : "", \
- (temp & ADMHC_PS_OCIC) ? " OCIC" : "", \
- (temp & ADMHC_PS_PSSC) ? " PSSC" : "", \
- (temp & ADMHC_PS_PESC) ? " PESC" : "", \
- (temp & ADMHC_PS_CSC) ? " CSC" : "", \
+ label, num, value, \
+ (value & ADMHC_PS_PRSC) ? " PRSC" : "", \
+ (value & ADMHC_PS_OCIC) ? " OCIC" : "", \
+ (value & ADMHC_PS_PSSC) ? " PSSC" : "", \
+ (value & ADMHC_PS_PESC) ? " PESC" : "", \
+ (value & ADMHC_PS_CSC) ? " CSC" : "", \
\
- (temp & ADMHC_PS_CPP) ? " CPP" : "", \
- (temp & ADMHC_PS_SPP) ? " SPP" : "", \
- (temp & ADMHC_PS_SPR) ? " SPR" : "", \
- (temp & ADMHC_PS_CPS) ? " CPS" : "", \
- (temp & ADMHC_PS_SPS) ? " SPS" : "", \
+ (value & ADMHC_PS_CPP) ? " CPP" : "", \
+ (value & ADMHC_PS_SPP) ? " SPP" : "", \
+ (value & ADMHC_PS_SPR) ? " SPR" : "", \
+ (value & ADMHC_PS_CPS) ? " CPS" : "", \
+ (value & ADMHC_PS_SPS) ? " SPS" : "", \
\
- (temp & ADMHC_PS_SPE) ? " SPE" : "", \
- (temp & ADMHC_PS_CPE) ? " CPE" : "" \
+ (value & ADMHC_PS_SPE) ? " SPE" : "", \
+ (value & ADMHC_PS_CPE) ? " CPE" : "" \
);
/*-------------------------------------------------------------------------*/
@@ -87,7 +87,7 @@ admhc_hub_status_data(struct usb_hcd *hcd, char *buf)
goto done;
/* init status */
- status = admhc_get_rhdesc(ahcd);
+ status = admhc_read_rhdesc(ahcd);
if (status & (ADMHC_RH_LPSC | ADMHC_RH_OCIC))
buf [0] = changed = 1;
else
@@ -99,7 +99,7 @@ admhc_hub_status_data(struct usb_hcd *hcd, char *buf)
/* look at each port */
for (i = 0; i < ahcd->num_ports; i++) {
- status = admhc_get_portstatus(ahcd, i);
+ status = admhc_read_portstatus(ahcd, i);
/* can't autostop if ports are connected */
any_connected |= (status & ADMHC_PS_CCS);
@@ -125,15 +125,15 @@ done:
/*-------------------------------------------------------------------------*/
-static void admhc_hub_descriptor(struct admhcd *ahcd,
- struct usb_hub_descriptor *desc)
+static int admhc_get_hub_descriptor(struct admhcd *ahcd, char *buf)
{
- u32 rh = admhc_get_rhdesc(ahcd);
- u16 temp;
+ struct usb_hub_descriptor *desc = (struct usb_hub_descriptor *)buf;
+ u32 rh = admhc_read_rhdesc(ahcd);
+ u16 temp;
desc->bDescriptorType = USB_DT_HUB; /* Hub-descriptor */
desc->bPwrOn2PwrGood = ADMHC_POTPGT/2; /* use default value */
- desc->bHubContrCurrent = 0x00; /* 0mA */
+ desc->bHubContrCurrent = 0x00; /* 0mA */
desc->bNbrPorts = ahcd->num_ports;
temp = 1 + (ahcd->num_ports / 8);
@@ -152,8 +152,58 @@ static void admhc_hub_descriptor(struct admhcd *ahcd,
desc->wHubCharacteristics = (__force __u16)cpu_to_hc16(ahcd, temp);
/* two bitmaps: ports removable, and usb 1.0 legacy PortPwrCtrlMask */
- desc->bitmap [0] = 0;
- desc->bitmap [0] = ~0;
+ desc->bitmap[0] = 0;
+ desc->bitmap[0] = ~0;
+
+ return 0;
+}
+
+static int admhc_get_hub_status(struct admhcd *ahcd, char *buf)
+{
+ struct usb_hub_status *hs = (struct usb_hub_status *)buf;
+ u32 t = admhc_read_rhdesc(ahcd);
+ u16 status, change;
+
+ status = 0;
+ status |= (t & ADMHC_RH_LPS) ? HUB_STATUS_LOCAL_POWER : 0;
+ status |= (t & ADMHC_RH_OCI) ? HUB_STATUS_OVERCURRENT : 0;
+
+ change = 0;
+ change |= (t & ADMHC_RH_LPSC) ? HUB_CHANGE_LOCAL_POWER : 0;
+ change |= (t & ADMHC_RH_OCIC) ? HUB_CHANGE_OVERCURRENT : 0;
+
+ hs->wHubStatus = (__force __u16)cpu_to_hc16(ahcd, status);
+ hs->wHubChange = (__force __u16)cpu_to_hc16(ahcd, change);
+
+ return 0;
+}
+
+static int admhc_get_port_status(struct admhcd *ahcd, unsigned port, char *buf)
+{
+ struct usb_port_status *ps = (struct usb_port_status *)buf;
+ u32 t = admhc_read_portstatus(ahcd, port);
+ u16 status, change;
+
+ status = 0;
+ status |= (t & ADMHC_PS_CCS) ? USB_PORT_STAT_CONNECTION : 0;
+ status |= (t & ADMHC_PS_PES) ? USB_PORT_STAT_ENABLE : 0;
+ status |= (t & ADMHC_PS_PSS) ? USB_PORT_STAT_SUSPEND : 0;
+ status |= (t & ADMHC_PS_POCI) ? USB_PORT_STAT_OVERCURRENT : 0;
+ status |= (t & ADMHC_PS_PRS) ? USB_PORT_STAT_RESET : 0;
+ status |= (t & ADMHC_PS_PPS) ? USB_PORT_STAT_POWER : 0;
+ status |= (t & ADMHC_PS_LSDA) ? USB_PORT_STAT_LOW_SPEED : 0;
+
+ change = 0;
+ change |= (t & ADMHC_PS_CSC) ? USB_PORT_STAT_C_CONNECTION : 0;
+ change |= (t & ADMHC_PS_PESC) ? USB_PORT_STAT_C_ENABLE : 0;
+ change |= (t & ADMHC_PS_PSSC) ? USB_PORT_STAT_C_SUSPEND : 0;
+ change |= (t & ADMHC_PS_OCIC) ? USB_PORT_STAT_C_OVERCURRENT : 0;
+ change |= (t & ADMHC_PS_PRSC) ? USB_PORT_STAT_C_RESET : 0;
+
+ ps->wPortStatus = (__force __u16)cpu_to_hc16(ahcd, status);
+ ps->wPortChange = (__force __u16)cpu_to_hc16(ahcd, change);
+
+ return 0;
}
/*-------------------------------------------------------------------------*/
@@ -170,12 +220,12 @@ static int admhc_start_port_reset(struct usb_hcd *hcd, unsigned port)
port--;
/* start port reset before HNP protocol times out */
- status = admhc_readl(ahcd, &ahcd->regs->portstatus[port]);
+ status = admhc_read_portstatus(ahcd, port);
if (!(status & ADMHC_PS_CCS))
return -ENODEV;
/* khubd will finish the reset later */
- admhc_writel(ahcd, ADMHC_PS_PRS, &ahcd->regs->portstatus[port]);
+ admhc_write_portstatus(ahcd, port, ADMHC_PS_PRS);
return 0;
}
@@ -208,91 +258,107 @@ static void start_hnp(struct admhcd *ahcd);
#define tick_before(t1,t2) ((s16)(((s16)(t1))-((s16)(t2))) < 0)
/* called from some task, normally khubd */
-static inline int root_port_reset(struct admhcd *ahcd, unsigned port)
+static inline int admhc_port_reset(struct admhcd *ahcd, unsigned port)
{
-#if 0
- /* FIXME: revert to this when frame numbers are updated */
- __hc32 __iomem *portstat = &ahcd->regs->portstatus[port];
- u32 temp;
- u16 now = admhc_readl(ahcd, &ahcd->regs->fmnumber);
- u16 reset_done = now + PORT_RESET_MSEC;
-
- /* build a "continuous enough" reset signal, with up to
- * 3msec gap between pulses. scheduler HZ==100 must work;
- * this might need to be deadline-scheduled.
- */
+ u32 t;
+ int c;
+
+ admhc_vdbg(ahcd, "reset port%d\n", port);
+
+ t = admhc_read_portstatus(ahcd, port);
+ if (!(t & ADMHC_PS_CCS))
+ return -ENODEV;
+
+ if ((t & ADMHC_PS_PRS))
+ return 0;
+
+ admhc_write_portstatus(ahcd, port, ADMHC_PS_PRS);
+ c = 0;
do {
- /* spin until any current reset finishes */
- for (;;) {
- temp = admhc_readl(ahcd, portstat);
- /* handle e.g. CardBus eject */
- if (temp == ~(u32)0)
- return -ESHUTDOWN;
- if (!(temp & ADMHC_PS_PRS))
- break;
- udelay (500);
+ t = admhc_read_portstatus(ahcd, port);
+ if (t & ADMHC_PS_PRSC)
+ break;
+
+ if (++c > 20) {
+ admhc_err(ahcd, "port%d reset timed out\n",port);
+ return -EPIPE;
}
- if (!(temp & ADMHC_PS_CCS))
- break;
- if (temp & ADMHC_PS_PRSC)
- admhc_writel(ahcd, ADMHC_PS_PRSC, portstat);
-
- /* start the next reset, sleep till it's probably done */
- admhc_writel(ahcd, ADMHC_PS_PRS, portstat);
- msleep(PORT_RESET_HW_MSEC);
- now = admhc_readl(ahcd, &ahcd->regs->fmnumber);
- } while (tick_before(now, reset_done));
- /* caller synchronizes using PRSC */
-#else
- __hc32 __iomem *portstat = &ahcd->regs->portstatus[port];
- u32 temp;
- unsigned long reset_done = jiffies + msecs_to_jiffies(PORT_RESET_MSEC);
-
- /* build a "continuous enough" reset signal, with up to
- * 3msec gap between pulses. scheduler HZ==100 must work;
- * this might need to be deadline-scheduled.
- */
+ mdelay(PORT_RESET_HW_MSEC);
+ } while (1);
+ admhc_vdbg(ahcd, "port%d reset completed within %dms\n", port,
+ c * PORT_RESET_HW_MSEC);
+
+ t = admhc_read_portstatus(ahcd, port);
+ if (!(t & ADMHC_PS_CCS)) {
+ admhc_err(ahcd, "port%d is not connected after reset\n",port);
+ return -ENODEV;
+ }
+
+ admhc_write_portstatus(ahcd, port, ADMHC_PS_SPE);
+ c = 0;
do {
- /* spin until any current reset finishes */
- for (;;) {
- temp = admhc_readl(ahcd, portstat);
- /* handle e.g. CardBus eject */
- if (temp == ~(u32)0)
- return -ESHUTDOWN;
- if (!(temp & ADMHC_PS_PRS))
- break;
- udelay (500);
+ t = admhc_read_portstatus(ahcd, port);
+ if (t & ADMHC_PS_PESC)
+ break;
+
+ if (++c > 20) {
+ admhc_err(ahcd, "port%d enable timed out\n",port);
+ return -EPIPE;
}
- if (!(temp & ADMHC_PS_CCS))
- break;
+ mdelay(PORT_RESET_HW_MSEC);
+ } while (1);
+ admhc_vdbg(ahcd, "port%d enable completed within %dms\n", port,
+ c * PORT_RESET_HW_MSEC);
- if (temp & ADMHC_PS_PRSC)
- admhc_writel(ahcd, ADMHC_PS_PRSC, portstat);
+ admhc_write_portstatus(ahcd, port, ADMHC_PS_CSC);
+
+ return 0;
+}
- /* start the next reset, sleep till it's probably done */
- admhc_writel(ahcd, ADMHC_PS_PRS, portstat);
- msleep(PORT_RESET_HW_MSEC);
- } while (time_before(jiffies, reset_done));
+static inline int admhc_port_enable(struct admhcd *ahcd, unsigned port)
+{
+ u32 t;
+
+ admhc_vdbg(ahcd, "enable port%d\n", port);
+ t = admhc_read_portstatus(ahcd, port);
+ if (!(t & ADMHC_PS_CCS))
+ return -ENODEV;
+
+ admhc_write_portstatus(ahcd, port, ADMHC_PS_SPE);
- admhc_writel(ahcd, ADMHC_PS_SPE | ADMHC_PS_CSC, portstat);
- msleep(100);
-#endif
return 0;
}
-static int admhc_hub_control (
- struct usb_hcd *hcd,
- u16 typeReq,
- u16 wValue,
- u16 wIndex,
- char *buf,
- u16 wLength
-) {
+static inline int admhc_port_disable(struct admhcd *ahcd, unsigned port)
+{
+ u32 t;
+
+ admhc_vdbg(ahcd, "disable port%d\n", port);
+ t = admhc_read_portstatus(ahcd, port);
+ if (!(t & ADMHC_PS_CCS))
+ return -ENODEV;
+
+ admhc_write_portstatus(ahcd, ADMHC_PS_CPE, port);
+
+ return 0;
+}
+
+static inline int admhc_port_write(struct admhcd *ahcd, unsigned port,
+ u32 val)
+{
+ dbg_port_write(ahcd, "write", port, val);
+ admhc_write_portstatus(ahcd, port, val);
+
+ return 0;
+}
+
+static int admhc_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+ u16 wIndex, char *buf, u16 wLength)
+{
struct admhcd *ahcd = hcd_to_admhcd(hcd);
- int ports = hcd_to_bus (hcd)->root_hub->maxchild;
- u32 temp;
+ int ports = hcd_to_bus(hcd)->root_hub->maxchild;
int ret = 0;
if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)))
@@ -319,55 +385,50 @@ static int admhc_hub_control (
switch (wValue) {
case USB_PORT_FEAT_ENABLE:
- temp = ADMHC_PS_CPE;
+ ret = admhc_port_disable(ahcd, wIndex);
break;
case USB_PORT_FEAT_SUSPEND:
- temp = ADMHC_PS_CPS;
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_CPS);
break;
case USB_PORT_FEAT_POWER:
- temp = ADMHC_PS_CPP;
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_CPP);
break;
case USB_PORT_FEAT_C_CONNECTION:
- temp = ADMHC_PS_CSC;
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_CSC);
break;
case USB_PORT_FEAT_C_ENABLE:
- temp = ADMHC_PS_PESC;
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_PESC);
break;
case USB_PORT_FEAT_C_SUSPEND:
- temp = ADMHC_PS_PSSC;
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_PSSC);
break;
case USB_PORT_FEAT_C_OVER_CURRENT:
- temp = ADMHC_PS_OCIC;
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_OCIC);
break;
case USB_PORT_FEAT_C_RESET:
- temp = ADMHC_PS_PRSC;
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_PRSC);
break;
default:
goto error;
}
- admhc_writel(ahcd, temp, &ahcd->regs->portstatus[wIndex]);
break;
case GetHubDescriptor:
- admhc_hub_descriptor(ahcd, (struct usb_hub_descriptor *) buf);
+ ret = admhc_get_hub_descriptor(ahcd, buf);
break;
case GetHubStatus:
- temp = admhc_get_rhdesc(ahcd);
- temp &= ~(ADMHC_RH_CRWE | ADMHC_RH_DRWE);
- put_unaligned(cpu_to_le32 (temp), (__le32 *) buf);
+ ret = admhc_get_hub_status(ahcd, buf);
break;
case GetPortStatus:
if (!wIndex || wIndex > ports)
goto error;
wIndex--;
- temp = admhc_get_portstatus(ahcd, wIndex);
- put_unaligned(cpu_to_le32 (temp), (__le32 *) buf);
- dbg_port(ahcd, "GetPortStatus", wIndex, temp);
+ ret = admhc_get_port_status(ahcd, wIndex, buf);
break;
case SetHubFeature:
switch (wValue) {
case C_HUB_OVER_CURRENT:
- // FIXME: this can be cleared, yes?
+ /* FIXME: this can be cleared, yes? */
case C_HUB_LOCAL_POWER:
break;
default:
@@ -381,8 +442,10 @@ static int admhc_hub_control (
switch (wValue) {
case USB_PORT_FEAT_ENABLE:
- admhc_writel(ahcd, ADMHC_PS_SPE,
- &ahcd->regs->portstatus[wIndex]);
+ ret = admhc_port_enable(ahcd, wIndex);
+ break;
+ case USB_PORT_FEAT_RESET:
+ ret = admhc_port_reset(ahcd, wIndex);
break;
case USB_PORT_FEAT_SUSPEND:
#ifdef CONFIG_USB_OTG
@@ -391,15 +454,10 @@ static int admhc_hub_control (
start_hnp(ahcd);
else
#endif
- admhc_writel(ahcd, ADMHC_PS_SPS,
- &ahcd->regs->portstatus[wIndex]);
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_SPS);
break;
case USB_PORT_FEAT_POWER:
- admhc_writel(ahcd, ADMHC_PS_SPP,
- &ahcd->regs->portstatus[wIndex]);
- break;
- case USB_PORT_FEAT_RESET:
- ret = root_port_reset(ahcd, wIndex);
+ ret = admhc_port_write(ahcd, wIndex, ADMHC_PS_SPP);
break;
default:
goto error;
@@ -411,6 +469,7 @@ error:
/* "protocol stall" on error */
ret = -EPIPE;
}
+
return ret;
}
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-mem.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-mem.c
index fdacf7c113..daf59bc434 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-mem.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-mem.c
@@ -147,7 +147,7 @@ static struct urb_priv *urb_priv_alloc(struct admhcd *ahcd, int num_tds,
if (!priv)
goto err;
- /* allocate the TDs (deferring hash chain updates) */
+ /* allocate the TDs */
for (i = 0; i < num_tds; i++) {
priv->td[i] = td_alloc(ahcd, mem_flags);
if (priv->td[i] == NULL)
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120.h b/target/linux/adm5120/files/drivers/usb/host/adm5120.h
index bdfdbc713c..f8b576a4c6 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120.h
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120.h
@@ -436,8 +436,13 @@ static inline struct usb_hcd *admhcd_to_hcd(const struct admhcd *ahcd)
#define STUB_DEBUG_FILES
#endif /* DEBUG */
-#define admhc_dbg(ahcd, fmt, args...) \
- printk(KERN_DEBUG "adm5120-hcd: " fmt , ## args )
+#ifdef DEBUG
+# define admhc_dbg(ahcd, fmt, args...) \
+ printk(KERN_DEBUG "adm5120-hcd: " fmt , ## args )
+#else
+# define admhc_dbg(ahcd, fmt, args...) do { } while (0)
+#endif
+
#define admhc_err(ahcd, fmt, args...) \
printk(KERN_ERR "adm5120-hcd: " fmt , ## args )
#define ahcd_info(ahcd, fmt, args...) \
@@ -645,16 +650,22 @@ static inline void periodic_reinit(struct admhcd *ahcd)
&ahcd->regs->fminterval);
}
-static inline u32 admhc_get_rhdesc(struct admhcd *ahcd)
+static inline u32 admhc_read_rhdesc(struct admhcd *ahcd)
{
return admhc_readl(ahcd, &ahcd->regs->rhdesc);
}
-static inline u32 admhc_get_portstatus(struct admhcd *ahcd, int port)
+static inline u32 admhc_read_portstatus(struct admhcd *ahcd, int port)
{
return admhc_readl(ahcd, &ahcd->regs->portstatus[port]);
}
+static inline void admhc_write_portstatus(struct admhcd *ahcd, int port,
+ u32 value)
+{
+ admhc_writel(ahcd, value, &ahcd->regs->portstatus[port]);
+}
+
static inline void roothub_write_status(struct admhcd *ahcd, u32 value)
{
/* FIXME: read-only bits must be masked out */