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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 14:23:15 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-25 14:23:15 +0400
commit1be025d3cb40cd295123af2c394f7229ef9b30ca (patch)
tree5dc14e1ea412cc7fdc3e563ad23187059fe8bfb5 /drivers/usb/renesas_usbhs
parent2d03423b2319cc854adeb28a03f65de5b5e0ab63 (diff)
parenta2c76b83fdd763c826f38a55127ccf25708099ce (diff)
downloadlinux-1be025d3cb40cd295123af2c394f7229ef9b30ca.tar.xz
Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (260 commits) usb: renesas_usbhs: fixup inconsistent return from usbhs_pkt_push() usb/isp1760: Allow to optionally trigger low-level chip reset via GPIOLIB. USB: gadget: midi: memory leak in f_midi_bind_config() USB: gadget: midi: fix range check in f_midi_out_open() QE/FHCI: fixed the CONTROL bug usb: renesas_usbhs: tidyup for smatch warnings USB: Fix USB Kconfig dependency problem on 85xx/QoirQ platforms EHCI: workaround for MosChip controller bug usb: gadget: file_storage: fix race on unloading USB: ftdi_sio.c: Use ftdi async_icount structure for TIOCMIWAIT, as in other drivers USB: ftdi_sio.c:Fill MSR fields of the ftdi async_icount structure USB: ftdi_sio.c: Fill LSR fields of the ftdi async_icount structure USB: ftdi_sio.c:Fill TX field of the ftdi async_icount structure USB: ftdi_sio.c: Fill the RX field of the ftdi async_icount structure USB: ftdi_sio.c: Basic icount infrastructure for ftdi_sio usb/isp1760: Let OF bindings depend on general CONFIG_OF instead of PPC_OF . USB: ftdi_sio: Support TI/Luminary Micro Stellaris BD-ICDI Board USB: Fix runtime wakeup on OHCI xHCI/USB: Make xHCI driver have a BOS descriptor. usb: gadget: add new usb gadget for ACM and mass storage ...
Diffstat (limited to 'drivers/usb/renesas_usbhs')
-rw-r--r--drivers/usb/renesas_usbhs/Kconfig2
-rw-r--r--drivers/usb/renesas_usbhs/Makefile8
-rw-r--r--drivers/usb/renesas_usbhs/common.c236
-rw-r--r--drivers/usb/renesas_usbhs/common.h60
-rw-r--r--drivers/usb/renesas_usbhs/fifo.c222
-rw-r--r--drivers/usb/renesas_usbhs/fifo.h22
-rw-r--r--drivers/usb/renesas_usbhs/mod.c81
-rw-r--r--drivers/usb/renesas_usbhs/mod.h57
-rw-r--r--drivers/usb/renesas_usbhs/mod_gadget.c130
-rw-r--r--drivers/usb/renesas_usbhs/mod_host.c1312
-rw-r--r--drivers/usb/renesas_usbhs/pipe.c200
-rw-r--r--drivers/usb/renesas_usbhs/pipe.h27
12 files changed, 2055 insertions, 302 deletions
diff --git a/drivers/usb/renesas_usbhs/Kconfig b/drivers/usb/renesas_usbhs/Kconfig
index 286cbf1ca7de..6f4afa436381 100644
--- a/drivers/usb/renesas_usbhs/Kconfig
+++ b/drivers/usb/renesas_usbhs/Kconfig
@@ -4,7 +4,7 @@
config USB_RENESAS_USBHS
tristate 'Renesas USBHS controller'
- depends on SUPERH || ARCH_SHMOBILE
+ depends on USB && USB_GADGET
default n
help
Renesas USBHS is a discrete USB host and peripheral controller chip
diff --git a/drivers/usb/renesas_usbhs/Makefile b/drivers/usb/renesas_usbhs/Makefile
index ce08345fa15a..bc8aef4311a1 100644
--- a/drivers/usb/renesas_usbhs/Makefile
+++ b/drivers/usb/renesas_usbhs/Makefile
@@ -6,4 +6,10 @@ obj-$(CONFIG_USB_RENESAS_USBHS) += renesas_usbhs.o
renesas_usbhs-y := common.o mod.o pipe.o fifo.o
-renesas_usbhs-$(CONFIG_USB_RENESAS_USBHS_UDC) += mod_gadget.o
+ifneq ($(CONFIG_USB_RENESAS_USBHS_HCD),)
+ renesas_usbhs-y += mod_host.o
+endif
+
+ifneq ($(CONFIG_USB_RENESAS_USBHS_UDC),)
+ renesas_usbhs-y += mod_gadget.o
+endif
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index d8239e5efa66..d2e2efaba658 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -61,8 +61,8 @@
*/
#define usbhs_platform_call(priv, func, args...)\
(!(priv) ? -ENODEV : \
- !((priv)->pfunc->func) ? 0 : \
- (priv)->pfunc->func(args))
+ !((priv)->pfunc.func) ? 0 : \
+ (priv)->pfunc.func(args))
/*
* common functions
@@ -114,6 +114,10 @@ void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable)
{
u16 mask = DCFM | DRPD | DPRPU;
u16 val = DCFM | DRPD;
+ int has_otg = usbhs_get_dparam(priv, has_otg);
+
+ if (has_otg)
+ usbhs_bset(priv, DVSTCTR, (EXTLP | PWEN), (EXTLP | PWEN));
/*
* if enable
@@ -147,19 +151,133 @@ int usbhs_frame_get_num(struct usbhs_priv *priv)
}
/*
+ * usb request functions
+ */
+void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
+{
+ u16 val;
+
+ val = usbhs_read(priv, USBREQ);
+ req->bRequest = (val >> 8) & 0xFF;
+ req->bRequestType = (val >> 0) & 0xFF;
+
+ req->wValue = usbhs_read(priv, USBVAL);
+ req->wIndex = usbhs_read(priv, USBINDX);
+ req->wLength = usbhs_read(priv, USBLENG);
+}
+
+void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
+{
+ usbhs_write(priv, USBREQ, (req->bRequest << 8) | req->bRequestType);
+ usbhs_write(priv, USBVAL, req->wValue);
+ usbhs_write(priv, USBINDX, req->wIndex);
+ usbhs_write(priv, USBLENG, req->wLength);
+
+ usbhs_bset(priv, DCPCTR, SUREQ, SUREQ);
+}
+
+/*
+ * bus/vbus functions
+ */
+void usbhs_bus_send_sof_enable(struct usbhs_priv *priv)
+{
+ u16 status = usbhs_read(priv, DVSTCTR) & (USBRST | UACT);
+
+ if (status != USBRST) {
+ struct device *dev = usbhs_priv_to_dev(priv);
+ dev_err(dev, "usbhs should be reset\n");
+ }
+
+ usbhs_bset(priv, DVSTCTR, (USBRST | UACT), UACT);
+}
+
+void usbhs_bus_send_reset(struct usbhs_priv *priv)
+{
+ usbhs_bset(priv, DVSTCTR, (USBRST | UACT), USBRST);
+}
+
+int usbhs_bus_get_speed(struct usbhs_priv *priv)
+{
+ u16 dvstctr = usbhs_read(priv, DVSTCTR);
+
+ switch (RHST & dvstctr) {
+ case RHST_LOW_SPEED:
+ return USB_SPEED_LOW;
+ case RHST_FULL_SPEED:
+ return USB_SPEED_FULL;
+ case RHST_HIGH_SPEED:
+ return USB_SPEED_HIGH;
+ }
+
+ return USB_SPEED_UNKNOWN;
+}
+
+int usbhs_vbus_ctrl(struct usbhs_priv *priv, int enable)
+{
+ struct platform_device *pdev = usbhs_priv_to_pdev(priv);
+
+ return usbhs_platform_call(priv, set_vbus, pdev, enable);
+}
+
+static void usbhsc_bus_init(struct usbhs_priv *priv)
+{
+ usbhs_write(priv, DVSTCTR, 0);
+
+ usbhs_vbus_ctrl(priv, 0);
+}
+
+/*
+ * device configuration
+ */
+int usbhs_set_device_speed(struct usbhs_priv *priv, int devnum,
+ u16 upphub, u16 hubport, u16 speed)
+{
+ struct device *dev = usbhs_priv_to_dev(priv);
+ u16 usbspd = 0;
+ u32 reg = DEVADD0 + (2 * devnum);
+
+ if (devnum > 10) {
+ dev_err(dev, "cannot set speed to unknown device %d\n", devnum);
+ return -EIO;
+ }
+
+ if (upphub > 0xA) {
+ dev_err(dev, "unsupported hub number %d\n", upphub);
+ return -EIO;
+ }
+
+ switch (speed) {
+ case USB_SPEED_LOW:
+ usbspd = USBSPD_SPEED_LOW;
+ break;
+ case USB_SPEED_FULL:
+ usbspd = USBSPD_SPEED_FULL;
+ break;
+ case USB_SPEED_HIGH:
+ usbspd = USBSPD_SPEED_HIGH;
+ break;
+ default:
+ dev_err(dev, "unsupported speed %d\n", speed);
+ return -EIO;
+ }
+
+ usbhs_write(priv, reg, UPPHUB(upphub) |
+ HUBPORT(hubport)|
+ USBSPD(usbspd));
+
+ return 0;
+}
+
+/*
* local functions
*/
-static void usbhsc_bus_ctrl(struct usbhs_priv *priv, int enable)
+static void usbhsc_set_buswait(struct usbhs_priv *priv)
{
int wait = usbhs_get_dparam(priv, buswait_bwait);
- u16 data = 0;
- if (enable) {
- /* set bus wait if platform have */
- if (wait)
- usbhs_bset(priv, BUSWAIT, 0x000F, wait);
- }
- usbhs_write(priv, DVSTCTR, data);
+ /* set bus wait if platform have */
+ if (wait)
+ usbhs_bset(priv, BUSWAIT, 0x000F, wait);
}
/*
@@ -191,10 +309,8 @@ static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable)
/* USB on */
usbhs_sys_clock_ctrl(priv, enable);
- usbhsc_bus_ctrl(priv, enable);
} else {
/* USB off */
- usbhsc_bus_ctrl(priv, enable);
usbhs_sys_clock_ctrl(priv, enable);
/* disable PM */
@@ -203,13 +319,10 @@ static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable)
}
/*
- * notify hotplug
+ * hotplug
*/
-static void usbhsc_notify_hotplug(struct work_struct *work)
+static void usbhsc_hotplug(struct usbhs_priv *priv)
{
- struct usbhs_priv *priv = container_of(work,
- struct usbhs_priv,
- notify_hotplug_work.work);
struct platform_device *pdev = usbhs_priv_to_pdev(priv);
struct usbhs_mod *mod = usbhs_mod_get_current(priv);
int id;
@@ -237,6 +350,10 @@ static void usbhsc_notify_hotplug(struct work_struct *work)
if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
usbhsc_power_ctrl(priv, enable);
+ /* bus init */
+ usbhsc_set_buswait(priv);
+ usbhsc_bus_init(priv);
+
/* module start */
usbhs_mod_call(priv, start, priv);
@@ -246,6 +363,9 @@ static void usbhsc_notify_hotplug(struct work_struct *work)
/* module stop */
usbhs_mod_call(priv, stop, priv);
+ /* bus init */
+ usbhsc_bus_init(priv);
+
/* power off */
if (usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
usbhsc_power_ctrl(priv, enable);
@@ -257,6 +377,17 @@ static void usbhsc_notify_hotplug(struct work_struct *work)
}
}
+/*
+ * notify hotplug
+ */
+static void usbhsc_notify_hotplug(struct work_struct *work)
+{
+ struct usbhs_priv *priv = container_of(work,
+ struct usbhs_priv,
+ notify_hotplug_work.work);
+ usbhsc_hotplug(priv);
+}
+
int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev)
{
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
@@ -315,24 +446,28 @@ static int __devinit usbhs_probe(struct platform_device *pdev)
/*
* care platform info
*/
- priv->pfunc = &info->platform_callback;
- priv->dparam = &info->driver_param;
+ memcpy(&priv->pfunc,
+ &info->platform_callback,
+ sizeof(struct renesas_usbhs_platform_callback));
+ memcpy(&priv->dparam,
+ &info->driver_param,
+ sizeof(struct renesas_usbhs_driver_param));
/* set driver callback functions for platform */
dfunc = &info->driver_callback;
dfunc->notify_hotplug = usbhsc_drvcllbck_notify_hotplug;
/* set default param if platform doesn't have */
- if (!priv->dparam->pipe_type) {
- priv->dparam->pipe_type = usbhsc_default_pipe_type;
- priv->dparam->pipe_size = ARRAY_SIZE(usbhsc_default_pipe_type);
+ if (!priv->dparam.pipe_type) {
+ priv->dparam.pipe_type = usbhsc_default_pipe_type;
+ priv->dparam.pipe_size = ARRAY_SIZE(usbhsc_default_pipe_type);
}
- if (!priv->dparam->pio_dma_border)
- priv->dparam->pio_dma_border = 64; /* 64byte */
+ if (!priv->dparam.pio_dma_border)
+ priv->dparam.pio_dma_border = 64; /* 64byte */
/* FIXME */
/* runtime power control ? */
- if (priv->pfunc->get_vbus)
+ if (priv->pfunc.get_vbus)
usbhsc_flags_set(priv, USBHSF_RUNTIME_PWCTRL);
/*
@@ -443,9 +578,60 @@ static int __devexit usbhs_remove(struct platform_device *pdev)
return 0;
}
+static int usbhsc_suspend(struct device *dev)
+{
+ struct usbhs_priv *priv = dev_get_drvdata(dev);
+ struct usbhs_mod *mod = usbhs_mod_get_current(priv);
+
+ if (mod) {
+ usbhs_mod_call(priv, stop, priv);
+ usbhs_mod_change(priv, -1);
+ }
+
+ if (mod || !usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
+ usbhsc_power_ctrl(priv, 0);
+
+ return 0;
+}
+
+static int usbhsc_resume(struct device *dev)
+{
+ struct usbhs_priv *priv = dev_get_drvdata(dev);
+ struct platform_device *pdev = usbhs_priv_to_pdev(priv);
+
+ usbhs_platform_call(priv, phy_reset, pdev);
+
+ if (!usbhsc_flags_has(priv, USBHSF_RUNTIME_PWCTRL))
+ usbhsc_power_ctrl(priv, 1);
+
+ usbhsc_hotplug(priv);
+
+ return 0;
+}
+
+static int usbhsc_runtime_nop(struct device *dev)
+{
+ /* Runtime PM callback shared between ->runtime_suspend()
+ * and ->runtime_resume(). Simply returns success.
+ *
+ * This driver re-initializes all registers after
+ * pm_runtime_get_sync() anyway so there is no need
+ * to save and restore registers here.
+ */
+ return 0;
+}
+
+static const struct dev_pm_ops usbhsc_pm_ops = {
+ .suspend = usbhsc_suspend,
+ .resume = usbhsc_resume,
+ .runtime_suspend = usbhsc_runtime_nop,
+ .runtime_resume = usbhsc_runtime_nop,
+};
+
static struct platform_driver renesas_usbhs_driver = {
.driver = {
.name = "renesas_usbhs",
+ .pm = &usbhsc_pm_ops,
},
.probe = usbhs_probe,
.remove = __devexit_p(usbhs_remove),
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index b410463a1212..8729da5c3be6 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -90,6 +90,17 @@ struct usbhs_priv;
#define PIPE9TRN 0x00BA
#define PIPEATRE 0x00BC
#define PIPEATRN 0x00BE
+#define DEVADD0 0x00D0 /* Device address n configuration */
+#define DEVADD1 0x00D2
+#define DEVADD2 0x00D4
+#define DEVADD3 0x00D6
+#define DEVADD4 0x00D8
+#define DEVADD5 0x00DA
+#define DEVADD6 0x00DC
+#define DEVADD7 0x00DE
+#define DEVADD8 0x00E0
+#define DEVADD9 0x00E2
+#define DEVADDA 0x00E4
/* SYSCFG */
#define SCKE (1 << 10) /* USB Module Clock Enable */
@@ -102,6 +113,8 @@ struct usbhs_priv;
/* DVSTCTR */
#define EXTLP (1 << 10) /* Controls the EXTLP pin output state */
#define PWEN (1 << 9) /* Controls the PWEN pin output state */
+#define USBRST (1 << 6) /* Bus Reset Output */
+#define UACT (1 << 4) /* USB Bus Enable */
#define RHST (0x7) /* Reset Handshake */
#define RHST_LOW_SPEED 1 /* Low-speed connection */
#define RHST_FULL_SPEED 2 /* Full-speed connection */
@@ -159,6 +172,15 @@ struct usbhs_priv;
#define NODATA_STATUS_STAGE 5 /* Control write NoData status stage */
#define SEQUENCE_ERROR 6 /* Control transfer sequence error */
+/* INTSTS1 */
+#define OVRCR (1 << 15) /* OVRCR Interrupt Status */
+#define BCHG (1 << 14) /* USB Bus Change Interrupt Status */
+#define DTCH (1 << 12) /* USB Disconnection Detect Interrupt Status */
+#define ATTCH (1 << 11) /* ATTCH Interrupt Status */
+#define EOFERR (1 << 6) /* EOF Error Detect Interrupt Status */
+#define SIGN (1 << 5) /* Setup Transaction Error Interrupt Status */
+#define SACK (1 << 4) /* Setup Transaction ACK Response Interrupt Status */
+
/* PIPECFG */
/* DCPCFG */
#define TYPE_NONE (0 << 14) /* Transfer Type */
@@ -183,9 +205,11 @@ struct usbhs_priv;
/* PIPEnCTR */
/* DCPCTR */
#define BSTS (1 << 15) /* Buffer Status */
+#define SUREQ (1 << 14) /* Sending SETUP Token */
#define CSSTS (1 << 12) /* CSSTS Status */
-#define SQCLR (1 << 8) /* Toggle Bit Clear */
#define ACLRM (1 << 9) /* Buffer Auto-Clear Mode */
+#define SQCLR (1 << 8) /* Toggle Bit Clear */
+#define SQSET (1 << 7) /* Toggle Bit Set */
#define PBUSY (1 << 5) /* Pipe Busy */
#define PID_MASK (0x3) /* Response PID */
#define PID_NAK 0
@@ -202,6 +226,14 @@ struct usbhs_priv;
/* FRMNUM */
#define FRNM_MASK (0x7FF)
+/* DEVADDn */
+#define UPPHUB(x) (((x) & 0xF) << 11) /* HUB Register */
+#define HUBPORT(x) (((x) & 0x7) << 8) /* HUB Port for Target Device */
+#define USBSPD(x) (((x) & 0x3) << 6) /* Device Transfer Rate */
+#define USBSPD_SPEED_LOW 0x1
+#define USBSPD_SPEED_FULL 0x2
+#define USBSPD_SPEED_HIGH 0x3
+
/*
* struct
*/
@@ -210,8 +242,8 @@ struct usbhs_priv {
void __iomem *base;
unsigned int irq;
- struct renesas_usbhs_platform_callback *pfunc;
- struct renesas_usbhs_driver_param *dparam;
+ struct renesas_usbhs_platform_callback pfunc;
+ struct renesas_usbhs_driver_param dparam;
struct delayed_work notify_hotplug_work;
struct platform_device *pdev;
@@ -258,15 +290,35 @@ void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable);
void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable);
/*
+ * usb request
+ */
+void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
+void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
+
+/*
+ * bus
+ */
+void usbhs_bus_send_sof_enable(struct usbhs_priv *priv);
+void usbhs_bus_send_reset(struct usbhs_priv *priv);
+int usbhs_bus_get_speed(struct usbhs_priv *priv);
+int usbhs_vbus_ctrl(struct usbhs_priv *priv, int enable);
+
+/*
* frame
*/
int usbhs_frame_get_num(struct usbhs_priv *priv);
/*
+ * device config
+ */
+int usbhs_set_device_speed(struct usbhs_priv *priv, int devnum, u16 upphub,
+ u16 hubport, u16 speed);
+
+/*
* data
*/
struct usbhs_priv *usbhs_pdev_to_priv(struct platform_device *pdev);
-#define usbhs_get_dparam(priv, param) (priv->dparam->param)
+#define usbhs_get_dparam(priv, param) (priv->dparam.param)
#define usbhs_priv_to_pdev(priv) (priv->pdev)
#define usbhs_priv_to_dev(priv) (&priv->pdev->dev)
#define usbhs_priv_to_lock(priv) (&priv->lock)
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index a34430f55fb7..8da685e796d1 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -54,35 +54,45 @@ static struct usbhs_pkt_handle usbhsf_null_handler = {
};
void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
- struct usbhs_pkt_handle *handler,
+ void (*done)(struct usbhs_priv *priv,
+ struct usbhs_pkt *pkt),
void *buf, int len, int zero)
{
struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
struct device *dev = usbhs_priv_to_dev(priv);
unsigned long flags;
+ if (!done) {
+ dev_err(dev, "no done function\n");
+ return;
+ }
+
/******************** spin lock ********************/
usbhs_lock(priv, flags);
- if (!handler) {
+ if (!pipe->handler) {
dev_err(dev, "no handler function\n");
- handler = &usbhsf_null_handler;
+ pipe->handler = &usbhsf_null_handler;
}
list_del_init(&pkt->node);
list_add_tail(&pkt->node, &pipe->list);
+ /*
+ * each pkt must hold own handler.
+ * because handler might be changed by its situation.
+ * dma handler -> pio handler.
+ */
pkt->pipe = pipe;
pkt->buf = buf;
- pkt->handler = handler;
+ pkt->handler = pipe->handler;
pkt->length = len;
pkt->zero = zero;
pkt->actual = 0;
+ pkt->done = done;
usbhs_unlock(priv, flags);
/******************** spin unlock ******************/
-
- usbhs_pkt_start(pipe);
}
static void __usbhsf_pkt_del(struct usbhs_pkt *pkt)
@@ -118,10 +128,15 @@ struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt)
return pkt;
}
-int __usbhs_pkt_handler(struct usbhs_pipe *pipe, int type)
+enum {
+ USBHSF_PKT_PREPARE,
+ USBHSF_PKT_TRY_RUN,
+ USBHSF_PKT_DMA_DONE,
+};
+
+static int usbhsf_pkt_handler(struct usbhs_pipe *pipe, int type)
{
struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
- struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv);
struct usbhs_pkt *pkt;
struct device *dev = usbhs_priv_to_dev(priv);
int (*func)(struct usbhs_pkt *pkt, int *is_done);
@@ -161,13 +176,18 @@ __usbhs_pkt_handler_end:
/******************** spin unlock ******************/
if (is_done) {
- info->done(pkt);
+ pkt->done(priv, pkt);
usbhs_pkt_start(pipe);
}
return ret;
}
+void usbhs_pkt_start(struct usbhs_pipe *pipe)
+{
+ usbhsf_pkt_handler(pipe, USBHSF_PKT_PREPARE);
+}
+
/*
* irq enable/disable function
*/
@@ -276,9 +296,13 @@ static int usbhsf_fifo_select(struct usbhs_pipe *pipe,
usbhsf_fifo_is_busy(fifo))
return -EBUSY;
- if (usbhs_pipe_is_dcp(pipe))
+ if (usbhs_pipe_is_dcp(pipe)) {
base |= (1 == write) << 5; /* ISEL */
+ if (usbhs_mod_is_host(priv))
+ usbhs_dcp_dir_for_host(pipe, write);
+ }
+
/* "base" will be used below */
usbhs_write(priv, fifo->sel, base | MBW_32);
@@ -297,6 +321,151 @@ static int usbhsf_fifo_select(struct usbhs_pipe *pipe,
}
/*
+ * DCP status stage
+ */
+static int usbhs_dcp_dir_switch_to_write(struct usbhs_pkt *pkt, int *is_done)
+{
+ struct usbhs_pipe *pipe = pkt->pipe;
+ struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
+ struct usbhs_fifo *fifo = usbhsf_get_cfifo(priv); /* CFIFO */
+ struct device *dev = usbhs_priv_to_dev(priv);
+ int ret;
+
+ usbhs_pipe_disable(pipe);
+
+ ret = usbhsf_fifo_select(pipe, fifo, 1);
+ if (ret < 0) {
+ dev_err(dev, "%s() faile\n", __func__);
+ return ret;
+ }
+
+ usbhs_pipe_sequence_data1(pipe); /* DATA1 */
+
+ usbhsf_fifo_clear(pipe, fifo);
+ usbhsf_send_terminator(pipe, fifo);
+
+ usbhsf_fifo_unselect(pipe, fifo);
+
+ usbhsf_tx_irq_ctrl(pipe, 1);
+ usbhs_pipe_enable(pipe);
+
+ return ret;
+}
+
+static int usbhs_dcp_dir_switch_to_read(struct usbhs_pkt *pkt, int *is_done)
+{
+ struct usbhs_pipe *pipe = pkt->pipe;
+ struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
+ struct usbhs_fifo *fifo = usbhsf_get_cfifo(priv); /* CFIFO */
+ struct device *dev = usbhs_priv_to_dev(priv);
+ int ret;
+
+ usbhs_pipe_disable(pipe);
+
+ ret = usbhsf_fifo_select(pipe, fifo, 0);
+ if (ret < 0) {
+ dev_err(dev, "%s() fail\n", __func__);
+ return ret;
+ }
+
+ usbhs_pipe_sequence_data1(pipe); /* DATA1 */
+ usbhsf_fifo_clear(pipe, fifo);
+
+ usbhsf_fifo_unselect(pipe, fifo);
+
+ usbhsf_rx_irq_ctrl(pipe, 1);
+ usbhs_pipe_enable(pipe);
+
+ return ret;
+
+}
+
+static int usbhs_dcp_dir_switch_done(struct usbhs_pkt *pkt, int *is_done)
+{
+ struct usbhs_pipe *pipe = pkt->pipe;
+
+ if (pkt->handler == &usbhs_dcp_status_stage_in_handler)
+ usbhsf_tx_irq_ctrl(pipe, 0);
+ else
+ usbhsf_rx_irq_ctrl(pipe, 0);
+
+ pkt->actual = pkt->length;
+ *is_done = 1;
+
+ return 0;
+}
+
+struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler = {
+ .prepare = usbhs_dcp_dir_switch_to_write,
+ .try_run = usbhs_dcp_dir_switch_done,
+};
+
+struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler = {
+ .prepare = usbhs_dcp_dir_switch_to_read,
+ .try_run = usbhs_dcp_dir_switch_done,
+};
+
+/*
+ * DCP data stage (push)
+ */
+static int usbhsf_dcp_data_stage_try_push(struct usbhs_pkt *pkt, int *is_done)
+{
+ struct usbhs_pipe *pipe = pkt->pipe;
+
+ usbhs_pipe_sequence_data1(pipe); /* DATA1 */
+
+ /*
+ * change handler to PIO push
+ */
+ pkt->handler = &usbhs_fifo_pio_push_handler;
+
+ return pkt->handler->prepare(pkt, is_done);
+}
+
+struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler = {
+ .prepare = usbhsf_dcp_data_stage_try_push,
+};
+
+/*
+ * DCP data stage (pop)
+ */
+static int usbhsf_dcp_data_stage_prepare_pop(struct usbhs_pkt *pkt,
+ int *is_done)
+{
+ struct usbhs_pipe *pipe = pkt->pipe;
+ struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
+ struct usbhs_fifo *fifo = usbhsf_get_cfifo(priv);
+
+ if (usbhs_pipe_is_busy(pipe))
+ return 0;
+
+ /*
+ * prepare pop for DCP should
+ * - change DCP direction,
+ * - clear fifo
+ * - DATA1
+ */
+ usbhs_pipe_disable(pipe);
+
+ usbhs_pipe_sequence_data1(pipe); /* DATA1 */
+
+ usbhsf_fifo_select(pipe, fifo, 0);
+ usbhsf_fifo_clear(pipe, fifo);
+ usbhsf_fifo_unselect(pipe, fifo);
+
+ /*
+ * change handler to PIO pop
+ */
+ pkt->handler = &usbhs_fifo_pio_pop_handler;
+
+ return pkt->handler->prepare(pkt, is_done);
+}
+
+struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler = {
+ .prepare = usbhsf_dcp_data_stage_prepare_pop,
+};
+
+/*
* PIO push handler
*/
static int usbhsf_pio_try_push(struct usbhs_pkt *pkt, int *is_done)
@@ -452,6 +621,20 @@ static int usbhsf_pio_try_pop(struct usbhs_pkt *pkt, int *is_done)
total_len = len;
/*
+ * update actual length first here to decide disable pipe.
+ * if this pipe keeps BUF status and all data were popped,
+ * then, next interrupt/token will be issued again
+ */
+ pkt->actual += total_len;
+
+ if ((pkt->actual == pkt->length) || /* receive all data */
+ (total_len < maxp)) { /* short packet */
+ *is_done = 1;
+ usbhsf_rx_irq_ctrl(pipe, 0);
+ usbhs_pipe_disable(pipe); /* disable pipe first */
+ }
+
+ /*
* Buffer clear if Zero-Length packet
*
* see
@@ -481,16 +664,7 @@ static int usbhsf_pio_try_pop(struct usbhs_pkt *pkt, int *is_done)
buf[i] = (data >> ((i & 0x03) * 8)) & 0xff;
}
- pkt->actual += total_len;
-
usbhs_fifo_read_end:
- if ((pkt->actual == pkt->length) || /* receive all data */
- (total_len < maxp)) { /* short packet */
- *is_done = 1;
- usbhsf_rx_irq_ctrl(pipe, 0);
- usbhs_pipe_disable(pipe);
- }
-
dev_dbg(dev, " recv %d (%d/ %d/ %d/ %d)\n",
usbhs_pipe_number(pipe),
pkt->length, pkt->actual, *is_done, pkt->zero);
@@ -646,7 +820,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done)
if (len % 4) /* 32bit alignment */
goto usbhsf_pio_prepare_push;
- if (((u32)pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
+ if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
goto usbhsf_pio_prepare_push;
/* get enable DMA fifo */
@@ -723,7 +897,7 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done)
if (!fifo)
goto usbhsf_pio_prepare_pop;
- if (((u32)pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
+ if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */
goto usbhsf_pio_prepare_pop;
ret = usbhsf_fifo_select(pipe, fifo, 0);
@@ -884,7 +1058,7 @@ static int usbhsf_irq_empty(struct usbhs_priv *priv,
if (!(irq_state->bempsts & (1 << i)))
continue;
- ret = usbhs_pkt_run(pipe);
+ ret = usbhsf_pkt_handler(pipe, USBHSF_PKT_TRY_RUN);
if (ret < 0)
dev_err(dev, "irq_empty run_error %d : %d\n", i, ret);
}
@@ -914,7 +1088,7 @@ static int usbhsf_irq_ready(struct usbhs_priv *priv,
if (!(irq_state->brdysts & (1 << i)))
continue;
- ret = usbhs_pkt_run(pipe);
+ ret = usbhsf_pkt_handler(pipe, USBHSF_PKT_TRY_RUN);
if (ret < 0)
dev_err(dev, "irq_ready run_error %d : %d\n", i, ret);
}
@@ -929,7 +1103,7 @@ static void usbhsf_dma_complete(void *arg)
struct device *dev = usbhs_priv_to_dev(priv);
int ret;
- ret = usbhs_pkt_dmadone(pipe);
+ ret = usbhsf_pkt_handler(pipe, USBHSF_PKT_DMA_DONE);
if (ret < 0)
dev_err(dev, "dma_complete run_error %d : %d\n",
usbhs_pipe_number(pipe), ret);
diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h
index ed6d8e56c13c..32a7b246b28d 100644
--- a/drivers/usb/renesas_usbhs/fifo.h
+++ b/drivers/usb/renesas_usbhs/fifo.h
@@ -51,6 +51,8 @@ struct usbhs_pkt {
struct list_head node;
struct usbhs_pipe *pipe;
struct usbhs_pkt_handle *handler;
+ void (*done)(struct usbhs_priv *priv,
+ struct usbhs_pkt *pkt);
dma_addr_t dma;
void *buf;
int length;
@@ -76,12 +78,6 @@ void usbhs_fifo_quit(struct usbhs_priv *priv);
/*
* packet info
*/
-enum {
- USBHSF_PKT_PREPARE,
- USBHSF_PKT_TRY_RUN,
- USBHSF_PKT_DMA_DONE,
-};
-
extern struct usbhs_pkt_handle usbhs_fifo_pio_push_handler;
extern struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler;
extern struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
@@ -89,16 +85,18 @@ extern struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
extern struct usbhs_pkt_handle usbhs_fifo_dma_push_handler;
extern struct usbhs_pkt_handle usbhs_fifo_dma_pop_handler;
+extern struct usbhs_pkt_handle usbhs_dcp_status_stage_in_handler;
+extern struct usbhs_pkt_handle usbhs_dcp_status_stage_out_handler;
+
+extern struct usbhs_pkt_handle usbhs_dcp_data_stage_in_handler;
+extern struct usbhs_pkt_handle usbhs_dcp_data_stage_out_handler;
void usbhs_pkt_init(struct usbhs_pkt *pkt);
void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
- struct usbhs_pkt_handle *handler,
+ void (*done)(struct usbhs_priv *priv,
+ struct usbhs_pkt *pkt),
void *buf, int len, int zero);
struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
-int __usbhs_pkt_handler(struct usbhs_pipe *pipe, int type);
-
-#define usbhs_pkt_start(p) __usbhs_pkt_handler(p, USBHSF_PKT_PREPARE)
-#define usbhs_pkt_run(p) __usbhs_pkt_handler(p, USBHSF_PKT_TRY_RUN)
-#define usbhs_pkt_dmadone(p) __usbhs_pkt_handler(p, USBHSF_PKT_DMA_DONE)
+void usbhs_pkt_start(struct usbhs_pipe *pipe);
#endif /* RENESAS_USB_FIFO_H */
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index a577f8f4064c..053f86d70009 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -58,7 +58,7 @@ void usbhs_mod_autonomy_mode(struct usbhs_priv *priv)
struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
info->irq_vbus = usbhsm_autonomy_irq_vbus;
- priv->pfunc->get_vbus = usbhsm_autonomy_get_vbus;
+ priv->pfunc.get_vbus = usbhsm_autonomy_get_vbus;
usbhs_irq_callback_update(priv, NULL);
}
@@ -93,8 +93,9 @@ struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id)
return ret;
}
-int usbhs_mod_is_host(struct usbhs_priv *priv, struct usbhs_mod *mod)
+int usbhs_mod_is_host(struct usbhs_priv *priv)
{
+ struct usbhs_mod *mod = usbhs_mod_get_current(priv);
struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
if (!mod)
@@ -139,13 +140,17 @@ int usbhs_mod_probe(struct usbhs_priv *priv)
/*
* install host/gadget driver
*/
- ret = usbhs_mod_gadget_probe(priv);
+ ret = usbhs_mod_host_probe(priv);
if (ret < 0)
return ret;
+ ret = usbhs_mod_gadget_probe(priv);
+ if (ret < 0)
+ goto mod_init_host_err;
+
/* irq settings */
ret = request_irq(priv->irq, usbhs_interrupt,
- IRQF_DISABLED, dev_name(dev), priv);
+ 0, dev_name(dev), priv);
if (ret) {
dev_err(dev, "irq request err\n");
goto mod_init_gadget_err;
@@ -155,12 +160,15 @@ int usbhs_mod_probe(struct usbhs_priv *priv)
mod_init_gadget_err:
usbhs_mod_gadget_remove(priv);
+mod_init_host_err:
+ usbhs_mod_host_remove(priv);
return ret;
}
void usbhs_mod_remove(struct usbhs_priv *priv)
{
+ usbhs_mod_host_remove(priv);
usbhs_mod_gadget_remove(priv);
free_irq(priv->irq, priv);
}
@@ -168,20 +176,6 @@ void usbhs_mod_remove(struct usbhs_priv *priv)
/*
* status functions
*/
-int usbhs_status_get_usb_speed(struct usbhs_irq_state *irq_state)
-{
- switch (irq_state->dvstctr & RHST) {
- case RHST_LOW_SPEED:
- return USB_SPEED_LOW;
- case RHST_FULL_SPEED:
- return USB_SPEED_FULL;
- case RHST_HIGH_SPEED:
- return USB_SPEED_HIGH;
- }
-
- return USB_SPEED_UNKNOWN;
-}
-
int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state)
{
int state = irq_state->intsts0 & DVSQ_MASK;
@@ -221,8 +215,6 @@ static void usbhs_status_get_each_irq(struct usbhs_priv *priv,
state->intsts0 = usbhs_read(priv, INTSTS0);
state->intsts1 = usbhs_read(priv, INTSTS1);
- state->dvstctr = usbhs_read(priv, DVSTCTR);
-
/* mask */
if (mod) {
state->brdysts = usbhs_read(priv, BRDYSTS);
@@ -269,6 +261,8 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
* see also
* usbhs_irq_setting_update
*/
+
+ /* INTSTS0 */
if (irq_state.intsts0 & VBINT)
usbhs_mod_info_call(priv, irq_vbus, priv, &irq_state);
@@ -284,15 +278,38 @@ static irqreturn_t usbhs_interrupt(int irq, void *data)
if (irq_state.intsts0 & BRDY)
usbhs_mod_call(priv, irq_ready, priv, &irq_state);
+ /* INTSTS1 */
+ if (irq_state.intsts1 & ATTCH)
+ usbhs_mod_call(priv, irq_attch, priv, &irq_state);
+
+ if (irq_state.intsts1 & DTCH)
+ usbhs_mod_call(priv, irq_dtch, priv, &irq_state);
+
+ if (irq_state.intsts1 & SIGN)
+ usbhs_mod_call(priv, irq_sign, priv, &irq_state);
+
+ if (irq_state.intsts1 & SACK)
+ usbhs_mod_call(priv, irq_sack, priv, &irq_state);
+
return IRQ_HANDLED;
}
void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
{
u16 intenb0 = 0;
+ u16 intenb1 = 0;
struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
+ /*
+ * BEMPENB/BRDYENB are picky.
+ * below method is required
+ *
+ * - clear INTSTS0
+ * - update BEMPENB/BRDYENB
+ * - update INTSTS0
+ */
usbhs_write(priv, INTENB0, 0);
+ usbhs_write(priv, INTENB1, 0);
usbhs_write(priv, BEMPENB, 0);
usbhs_write(priv, BRDYENB, 0);
@@ -310,6 +327,9 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
intenb0 |= VBSE;
if (mod) {
+ /*
+ * INTSTS0
+ */
if (mod->irq_ctrl_stage)
intenb0 |= CTRE;
@@ -322,7 +342,26 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
usbhs_write(priv, BRDYENB, mod->irq_brdysts);
intenb0 |= BRDYE;
}
+
+ /*
+ * INTSTS1
+ */
+ if (mod->irq_attch)
+ intenb1 |= ATTCHE;
+
+ if (mod->irq_attch)
+ intenb1 |= DTCHE;
+
+ if (mod->irq_sign)
+ intenb1 |= SIGNE;
+
+ if (mod->irq_sack)
+ intenb1 |= SACKE;
}
- usbhs_write(priv, INTENB0, intenb0);
+ if (intenb0)
+ usbhs_write(priv, INTENB0, intenb0);
+
+ if (intenb1)
+ usbhs_write(priv, INTENB1, intenb1);
}
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
index 5c845a28a21c..8ae3733031cd 100644
--- a/drivers/usb/renesas_usbhs/mod.h
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -30,7 +30,6 @@ struct usbhs_irq_state {
u16 brdysts;
u16 nrdysts;
u16 bempsts;
- u16 dvstctr;
};
struct usbhs_mod {
@@ -42,26 +41,48 @@ struct usbhs_mod {
int (*start)(struct usbhs_priv *priv);
int (*stop)(struct usbhs_priv *priv);
- /* INTSTS0 :: DVST (DVSQ) */
+ /*
+ * INTSTS0
+ */
+
+ /* DVST (DVSQ) */
int (*irq_dev_state)(struct usbhs_priv *priv,
struct usbhs_irq_state *irq_state);
- /* INTSTS0 :: CTRT (CTSQ) */
+ /* CTRT (CTSQ) */
int (*irq_ctrl_stage)(struct usbhs_priv *priv,
struct usbhs_irq_state *irq_state);
- /* INTSTS0 :: BEMP */
- /* BEMPSTS */
+ /* BEMP / BEMPSTS */
int (*irq_empty)(struct usbhs_priv *priv,
struct usbhs_irq_state *irq_state);
u16 irq_bempsts;
- /* INTSTS0 :: BRDY */
- /* BRDYSTS */
+ /* BRDY / BRDYSTS */
int (*irq_ready)(struct usbhs_priv *priv,
struct usbhs_irq_state *irq_state);
u16 irq_brdysts;
+ /*
+ * INTSTS1
+ */
+
+ /* ATTCHE */
+ int (*irq_attch)(struct usbhs_priv *priv,
+ struct usbhs_irq_state *irq_state);
+
+ /* DTCHE */
+ int (*irq_dtch)(struct usbhs_priv *priv,
+ struct usbhs_irq_state *irq_state);
+
+ /* SIGN */
+ int (*irq_sign)(struct usbhs_priv *priv,
+ struct usbhs_irq_state *irq_state);
+
+ /* SACK */
+ int (*irq_sack)(struct usbhs_priv *priv,
+ struct usbhs_irq_state *irq_state);
+
struct usbhs_priv *priv;
};
@@ -89,7 +110,7 @@ struct usbhs_mod_info {
struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id);
struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv);
void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *usb, int id);
-int usbhs_mod_is_host(struct usbhs_priv *priv, struct usbhs_mod *mod);
+int usbhs_mod_is_host(struct usbhs_priv *priv);
int usbhs_mod_change(struct usbhs_priv *priv, int id);
int usbhs_mod_probe(struct usbhs_priv *priv);
void usbhs_mod_remove(struct usbhs_priv *priv);
@@ -99,7 +120,6 @@ void usbhs_mod_autonomy_mode(struct usbhs_priv *priv);
/*
* status functions
*/
-int usbhs_status_get_usb_speed(struct usbhs_irq_state *irq_state);
int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state);
int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state);
@@ -119,9 +139,24 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod);
})
/*
- * gadget control
+ * host / gadget control
*/
-#ifdef CONFIG_USB_RENESAS_USBHS_UDC
+#if defined(CONFIG_USB_RENESAS_USBHS_HCD) || \
+ defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE)
+extern int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv);
+extern int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv);
+#else
+static inline int usbhs_mod_host_probe(struct usbhs_priv *priv)
+{
+ return 0;
+}
+static inline void usbhs_mod_host_remove(struct usbhs_priv *priv)
+{
+}
+#endif
+
+#if defined(CONFIG_USB_RENESAS_USBHS_UDC) || \
+ defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE)
extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv);
extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv);
#else
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index cb2d451d511e..4cc7ee0babc6 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -39,7 +39,6 @@ struct usbhsg_uep {
char ep_name[EP_NAME_SIZE];
struct usbhsg_gpriv *gpriv;
- struct usbhs_pkt_handle *handler;
};
struct usbhsg_gpriv {
@@ -128,25 +127,6 @@ LIST_HEAD(the_controller_link);
/*
* queue push/pop
*/
-static void usbhsg_queue_push(struct usbhsg_uep *uep,
- struct usbhsg_request *ureq)
-{
- struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep);
- struct device *dev = usbhsg_gpriv_to_dev(gpriv);
- struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep);
- struct usbhs_pkt *pkt = usbhsg_ureq_to_pkt(ureq);
- struct usb_request *req = &ureq->req;
-
- req->actual = 0;
- req->status = -EINPROGRESS;
- usbhs_pkt_push(pipe, pkt, uep->handler,
- req->buf, req->length, req->zero);
-
- dev_dbg(dev, "pipe %d : queue push (%d)\n",
- usbhs_pipe_number(pipe),
- req->length);
-}
-
static void usbhsg_queue_pop(struct usbhsg_uep *uep,
struct usbhsg_request *ureq,
int status)
@@ -161,7 +141,7 @@ static void usbhsg_queue_pop(struct usbhsg_uep *uep,
ureq->req.complete(&uep->ep, &ureq->req);
}
-static void usbhsg_queue_done(struct usbhs_pkt *pkt)
+static void usbhsg_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
{
struct usbhs_pipe *pipe = pkt->pipe;
struct usbhsg_uep *uep = usbhsg_pipe_to_uep(pipe);
@@ -172,6 +152,26 @@ static void usbhsg_queue_done(struct usbhs_pkt *pkt)
usbhsg_queue_pop(uep, ureq, 0);
}
+static void usbhsg_queue_push(struct usbhsg_uep *uep,
+ struct usbhsg_request *ureq)
+{
+ struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep);
+ struct device *dev = usbhsg_gpriv_to_dev(gpriv);
+ struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep);
+ struct usbhs_pkt *pkt = usbhsg_ureq_to_pkt(ureq);
+ struct usb_request *req = &ureq->req;
+
+ req->actual = 0;
+ req->status = -EINPROGRESS;
+ usbhs_pkt_push(pipe, pkt, usbhsg_queue_done,
+ req->buf, req->length, req->zero);
+ usbhs_pkt_start(pipe);
+
+ dev_dbg(dev, "pipe %d : queue push (%d)\n",
+ usbhs_pipe_number(pipe),
+ req->length);
+}
+
/*
* dma map/unmap
*/
@@ -265,7 +265,7 @@ static int usbhsg_recip_handler_std_clear_endpoint(struct usbhs_priv *priv,
if (!usbhsg_status_has(gpriv, USBHSG_STATUS_WEDGE)) {
usbhs_pipe_disable(pipe);
- usbhs_pipe_clear_sequence(pipe);
+ usbhs_pipe_sequence_data0(pipe);
usbhs_pipe_enable(pipe);
}
@@ -355,7 +355,7 @@ static int usbhsg_irq_dev_state(struct usbhs_priv *priv,
struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
struct device *dev = usbhsg_gpriv_to_dev(gpriv);
- gpriv->gadget.speed = usbhs_status_get_usb_speed(irq_state);
+ gpriv->gadget.speed = usbhs_bus_get_speed(priv);
dev_dbg(dev, "state = %x : speed : %d\n",
usbhs_status_get_device_state(irq_state),
@@ -389,13 +389,13 @@ static int usbhsg_irq_ctrl_stage(struct usbhs_priv *priv,
switch (stage) {
case READ_DATA_STAGE:
- dcp->handler = &usbhs_fifo_pio_push_handler;
+ pipe->handler = &usbhs_fifo_pio_push_handler;
break;
case WRITE_DATA_STAGE:
- dcp->handler = &usbhs_fifo_pio_pop_handler;
+ pipe->handler = &usbhs_fifo_pio_pop_handler;
break;
case NODATA_STATUS_STAGE:
- dcp->handler = &usbhs_ctrl_stage_end_handler;
+ pipe->handler = &usbhs_ctrl_stage_end_handler;
break;
default:
return ret;
@@ -479,24 +479,31 @@ static int usbhsg_ep_enable(struct usb_ep *ep,
*/
if (uep->pipe) {
usbhs_pipe_clear(uep->pipe);
- usbhs_pipe_clear_sequence(uep->pipe);
+ usbhs_pipe_sequence_data0(uep->pipe);
return 0;
}
- pipe = usbhs_pipe_malloc(priv, desc);
+ pipe = usbhs_pipe_malloc(priv,
+ usb_endpoint_type(desc),
+ usb_endpoint_dir_in(desc));
if (pipe) {
uep->pipe = pipe;
pipe->mod_private = uep;
+ /* set epnum / maxp */
+ usbhs_pipe_config_update(pipe, 0,
+ usb_endpoint_num(desc),
+ usb_endpoint_maxp(desc));
+
/*
* usbhs_fifo_dma_push/pop_handler try to
* use dmaengine if possible.
* It will use pio handler if impossible.
*/
if (usb_endpoint_dir_in(desc))
- uep->handler = &usbhs_fifo_dma_push_handler;
+ pipe->handler = &usbhs_fifo_dma_push_handler;
else
- uep->handler = &usbhs_fifo_dma_pop_handler;
+ pipe->handler = &usbhs_fifo_dma_pop_handler;
ret = 0;
}
@@ -659,7 +666,6 @@ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status)
* pipe initialize and enable DCP
*/
usbhs_pipe_init(priv,
- usbhsg_queue_done,
usbhsg_dma_map_ctrl);
usbhs_fifo_init(priv);
usbhsg_uep_init(gpriv);
@@ -667,6 +673,7 @@ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status)
/* dcp init */
dcp->pipe = usbhs_dcp_malloc(priv);
dcp->pipe->mod_private = dcp;
+ usbhs_pipe_config_update(dcp->pipe, 0, 0, 64);
/*
* system config enble
@@ -730,10 +737,6 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status)
usbhsg_pipe_disable(dcp);
- if (gpriv->driver &&
- gpriv->driver->disconnect)
- gpriv->driver->disconnect(&gpriv->gadget);
-
dev_dbg(dev, "stop gadget\n");
return 0;
@@ -744,31 +747,19 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status)
* linux usb function
*
*/
-static int usbhsg_gadget_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *))
+static int usbhsg_gadget_start(struct usb_gadget *gadget,
+ struct usb_gadget_driver *driver)
{
- struct usbhsg_gpriv *gpriv;
+ struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
struct usbhs_priv *priv;
struct device *dev;
int ret;
- if (!bind ||
- !driver ||
+ if (!driver ||
!driver->setup ||
driver->speed != USB_SPEED_HIGH)
return -EINVAL;
- /*
- * find unused controller
- */
- usbhsg_for_each_controller(gpriv) {
- if (!gpriv->driver)
- goto find_unused_controller;
- }
- return -ENODEV;
-
-find_unused_controller:
-
dev = usbhsg_gpriv_to_dev(gpriv);
priv = usbhsg_gpriv_to_priv(gpriv);
@@ -782,19 +773,8 @@ find_unused_controller:
goto add_fail;
}
- ret = bind(&gpriv->gadget);
- if (ret) {
- dev_err(dev, "bind to driver %s error %d\n",
- driver->driver.name, ret);
- goto bind_fail;
- }
-
- dev_dbg(dev, "bind %s\n", driver->driver.name);
-
return usbhsg_try_start(priv, USBHSG_STATUS_REGISTERD);
-bind_fail:
- device_del(&gpriv->gadget.dev);
add_fail:
gpriv->driver = NULL;
gpriv->gadget.dev.driver = NULL;
@@ -802,9 +782,10 @@ add_fail:
return ret;
}
-static int usbhsg_gadget_stop(struct usb_gadget_driver *driver)
+static int usbhsg_gadget_stop(struct usb_gadget *gadget,
+ struct usb_gadget_driver *driver)
{
- struct usbhsg_gpriv *gpriv;
+ struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
struct usbhs_priv *priv;
struct device *dev;
@@ -812,17 +793,6 @@ static int usbhsg_gadget_stop(struct usb_gadget_driver *driver)
!driver->unbind)
return -EINVAL;
- /*
- * find controller
- */
- usbhsg_for_each_controller(gpriv) {
- if (gpriv->driver == driver)
- goto find_matching_controller;
- }
- return -ENODEV;
-
-find_matching_controller:
-
dev = usbhsg_gpriv_to_dev(gpriv);
priv = usbhsg_gpriv_to_priv(gpriv);
@@ -830,12 +800,6 @@ find_matching_controller:
device_del(&gpriv->gadget.dev);
gpriv->driver = NULL;
- if (driver->disconnect)
- driver->disconnect(&gpriv->gadget);
-
- driver->unbind(&gpriv->gadget);
- dev_dbg(dev, "unbind %s\n", driver->driver.name);
-
return 0;
}
@@ -852,8 +816,8 @@ static int usbhsg_get_frame(struct usb_gadget *gadget)
static struct usb_gadget_ops usbhsg_gadget_ops = {
.get_frame = usbhsg_get_frame,
- .start = usbhsg_gadget_start,
- .stop = usbhsg_gadget_stop,
+ .udc_start = usbhsg_gadget_start,
+ .udc_stop = usbhsg_gadget_stop,
};
static int usbhsg_start(struct usbhs_priv *priv)
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
new file mode 100644
index 000000000000..1a7208a50afc
--- /dev/null
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -0,0 +1,1312 @@
+/*
+ * Renesas USB driver
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+#include <linux/io.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
+#include "common.h"
+
+/*
+ *** HARDWARE LIMITATION ***
+ *
+ * 1) renesas_usbhs has a limited number of controllable devices.
+ * it can control only 9 devices in generally.
+ * see DEVADDn / DCPMAXP / PIPEMAXP.
+ *
+ * 2) renesas_usbhs pipe number is limited.
+ * the pipe will be re-used for each devices.
+ * so, software should control DATA0/1 sequence of each devices.
+ */
+
+
+/*
+ * image of mod_host
+ *
+ * +--------+
+ * | udev 0 | --> it is used when set address
+ * +--------+
+ *
+ * +--------+ pipes are reused for each uep.
+ * | udev 1 |-+- [uep 0 (dcp) ] --+ pipe will be switched when
+ * +--------+ | | target device was changed
+ * +- [uep 1 (bulk)] --|---+ +--------------+
+ * | +--------------> | pipe0 (dcp) |
+ * +- [uep 2 (bulk)] --|---|---+ +--------------+
+ * | | | | pipe1 (isoc) |
+ * +--------+ | | | +--------------+
+ * | udev 2 |-+- [uep 0 (dcp) ] --+ +-- |------> | pipe2 (bulk) |
+ * +--------+ | | | | +--------------+
+ * +- [uep 1 (int) ] --|-+ | +------> | pipe3 (bulk) |
+ * | | | | +--------------+
+ * +--------+ | +-|---|------> | pipe4 (int) |
+ * | udev 3 |-+- [uep 0 (dcp) ] --+ | | +--------------+
+ * +--------+ | | | | .... |
+ * +- [uep 1 (bulk)] ------+ | | .... |
+ * | |
+ * +- [uep 2 (bulk)]-----------+
+ */
+
+
+/*
+ * struct
+ */
+struct usbhsh_pipe_info {
+ unsigned int usr_cnt; /* see usbhsh_endpoint_alloc() */
+};
+
+struct usbhsh_request {
+ struct urb *urb;
+ struct usbhs_pkt pkt;
+ struct list_head ureq_link; /* see hpriv :: ureq_link_xxx */
+};
+
+struct usbhsh_device {
+ struct usb_device *usbv;
+ struct list_head ep_list_head; /* list of usbhsh_ep */
+};
+
+struct usbhsh_ep {
+ struct usbhs_pipe *pipe;
+ struct usbhsh_device *udev; /* attached udev */
+ struct list_head ep_list; /* list to usbhsh_device */
+
+ int maxp;
+};
+
+#define USBHSH_DEVICE_MAX 10 /* see DEVADDn / DCPMAXP / PIPEMAXP */
+#define USBHSH_PORT_MAX 7 /* see DEVADDn :: HUBPORT */
+struct usbhsh_hpriv {
+ struct usbhs_mod mod;
+ struct usbhs_pipe *dcp;
+
+ struct usbhsh_device udev[USBHSH_DEVICE_MAX];
+
+ struct usbhsh_pipe_info *pipe_info;
+ int pipe_size;
+
+ u32 port_stat; /* USB_PORT_STAT_xxx */
+
+ struct completion *done;
+
+ /* see usbhsh_req_alloc/free */
+ struct list_head ureq_link_active;
+ struct list_head ureq_link_free;
+};
+
+
+static const char usbhsh_hcd_name[] = "renesas_usbhs host";
+
+/*
+ * macro
+ */
+#define usbhsh_priv_to_hpriv(priv) \
+ container_of(usbhs_mod_get(priv, USBHS_HOST), struct usbhsh_hpriv, mod)
+
+#define __usbhsh_for_each_hpipe(start, pos, h, i) \
+ for (i = start, pos = (h)->hpipe + i; \
+ i < (h)->hpipe_size; \
+ i++, pos = (h)->hpipe + i)
+
+#define usbhsh_for_each_hpipe(pos, hpriv, i) \
+ __usbhsh_for_each_hpipe(1, pos, hpriv, i)
+
+#define usbhsh_for_each_hpipe_with_dcp(pos, hpriv, i) \
+ __usbhsh_for_each_hpipe(0, pos, hpriv, i)
+
+#define __usbhsh_for_each_udev(start, pos, h, i) \
+ for (i = start, pos = (h)->udev + i; \
+ i < USBHSH_DEVICE_MAX; \
+ i++, pos = (h)->udev + i)
+
+#define usbhsh_for_each_udev(pos, hpriv, i) \
+ __usbhsh_for_each_udev(1, pos, hpriv, i)
+
+#define usbhsh_for_each_udev_with_dev0(pos, hpriv, i) \
+ __usbhsh_for_each_udev(0, pos, hpriv, i)
+
+#define usbhsh_hcd_to_hpriv(h) (struct usbhsh_hpriv *)((h)->hcd_priv)
+#define usbhsh_hcd_to_dev(h) ((h)->self.controller)
+
+#define usbhsh_hpriv_to_priv(h) ((h)->mod.priv)
+#define usbhsh_hpriv_to_dcp(h) ((h)->dcp)
+#define usbhsh_hpriv_to_hcd(h) \
+ container_of((void *)h, struct usb_hcd, hcd_priv)
+
+#define usbhsh_ep_to_uep(u) ((u)->hcpriv)
+#define usbhsh_uep_to_pipe(u) ((u)->pipe)
+#define usbhsh_uep_to_udev(u) ((u)->udev)
+#define usbhsh_urb_to_ureq(u) ((u)->hcpriv)
+#define usbhsh_urb_to_usbv(u) ((u)->dev)
+
+#define usbhsh_usbv_to_udev(d) dev_get_drvdata(&(d)->dev)
+
+#define usbhsh_udev_to_usbv(h) ((h)->usbv)
+
+#define usbhsh_pipe_info(p) ((p)->mod_private)
+
+#define usbhsh_device_number(h, d) ((int)((d) - (h)->udev))
+#define usbhsh_device_nth(h, d) ((h)->udev + d)
+#define usbhsh_device0(h) usbhsh_device_nth(h, 0)
+
+#define usbhsh_port_stat_init(h) ((h)->port_stat = 0)
+#define usbhsh_port_stat_set(h, s) ((h)->port_stat |= (s))
+#define usbhsh_port_stat_clear(h, s) ((h)->port_stat &= ~(s))
+#define usbhsh_port_stat_get(h) ((h)->port_stat)
+
+#define usbhsh_pkt_to_req(p) \
+ container_of((void *)p, struct usbhsh_request, pkt)
+
+/*
+ * req alloc/free
+ */
+static void usbhsh_req_list_init(struct usbhsh_hpriv *hpriv)
+{
+ INIT_LIST_HEAD(&hpriv->ureq_link_active);
+ INIT_LIST_HEAD(&hpriv->ureq_link_free);
+}
+
+static void usbhsh_req_list_quit(struct usbhsh_hpriv *hpriv)
+{
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+ struct device *dev = usbhsh_hcd_to_dev(hcd);
+ struct usbhsh_request *ureq, *next;
+
+ /* kfree all active ureq */
+ list_for_each_entry_safe(ureq, next,
+ &hpriv->ureq_link_active,
+ ureq_link) {
+ dev_err(dev, "active ureq (%p) is force freed\n", ureq);
+ kfree(ureq);
+ }
+
+ /* kfree all free ureq */
+ list_for_each_entry_safe(ureq, next, &hpriv->ureq_link_free, ureq_link)
+ kfree(ureq);
+}
+
+static struct usbhsh_request *usbhsh_req_alloc(struct usbhsh_hpriv *hpriv,
+ struct urb *urb,
+ gfp_t mem_flags)
+{
+ struct usbhsh_request *ureq;
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ if (list_empty(&hpriv->ureq_link_free)) {
+ /*
+ * create new one if there is no free ureq
+ */
+ ureq = kzalloc(sizeof(struct usbhsh_request), mem_flags);
+ if (ureq)
+ INIT_LIST_HEAD(&ureq->ureq_link);
+ } else {
+ /*
+ * reuse "free" ureq if exist
+ */
+ ureq = list_entry(hpriv->ureq_link_free.next,
+ struct usbhsh_request,
+ ureq_link);
+ if (ureq)
+ list_del_init(&ureq->ureq_link);
+ }
+
+ if (!ureq) {
+ dev_err(dev, "ureq alloc fail\n");
+ return NULL;
+ }
+
+ usbhs_pkt_init(&ureq->pkt);
+
+ /*
+ * push it to "active" list
+ */
+ list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_active);
+ ureq->urb = urb;
+
+ return ureq;
+}
+
+static void usbhsh_req_free(struct usbhsh_hpriv *hpriv,
+ struct usbhsh_request *ureq)
+{
+ struct usbhs_pkt *pkt = &ureq->pkt;
+
+ usbhs_pkt_init(pkt);
+
+ /*
+ * removed from "active" list,
+ * and push it to "free" list
+ */
+ ureq->urb = NULL;
+ list_del_init(&ureq->ureq_link);
+ list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_free);
+}
+
+/*
+ * device control
+ */
+
+static int usbhsh_device_has_endpoint(struct usbhsh_device *udev)
+{
+ return !list_empty(&udev->ep_list_head);
+}
+
+static struct usbhsh_device *usbhsh_device_alloc(struct usbhsh_hpriv *hpriv,
+ struct urb *urb)
+{
+ struct usbhsh_device *udev = NULL;
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+ struct device *dev = usbhsh_hcd_to_dev(hcd);
+ struct usb_device *usbv = usbhsh_urb_to_usbv(urb);
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ int i;
+
+ /*
+ * device 0
+ */
+ if (0 == usb_pipedevice(urb->pipe)) {
+ udev = usbhsh_device0(hpriv);
+ goto usbhsh_device_find;
+ }
+
+ /*
+ * find unused device
+ */
+ usbhsh_for_each_udev(udev, hpriv, i) {
+ if (usbhsh_udev_to_usbv(udev))
+ continue;
+ goto usbhsh_device_find;
+ }
+
+ dev_err(dev, "no free usbhsh_device\n");
+
+ return NULL;
+
+usbhsh_device_find:
+ if (usbhsh_device_has_endpoint(udev))
+ dev_warn(dev, "udev have old endpoint\n");
+
+ /* uep will be attached */
+ INIT_LIST_HEAD(&udev->ep_list_head);
+
+ /*
+ * usbhsh_usbv_to_udev()
+ * usbhsh_udev_to_usbv()
+ * will be enable
+ */
+ dev_set_drvdata(&usbv->dev, udev);
+ udev->usbv = usbv;
+
+ /* set device config */
+ usbhs_set_device_speed(priv,
+ usbhsh_device_number(hpriv, udev),
+ usbhsh_device_number(hpriv, udev),
+ 0, /* FIXME no parent */
+ usbv->speed);
+
+ dev_dbg(dev, "%s [%d](%p)\n", __func__,
+ usbhsh_device_number(hpriv, udev), udev);
+
+ return udev;
+}
+
+static void usbhsh_device_free(struct usbhsh_hpriv *hpriv,
+ struct usbhsh_device *udev)
+{
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+ struct device *dev = usbhsh_hcd_to_dev(hcd);
+ struct usb_device *usbv = usbhsh_udev_to_usbv(udev);
+
+ dev_dbg(dev, "%s [%d](%p)\n", __func__,
+ usbhsh_device_number(hpriv, udev), udev);
+
+ if (usbhsh_device_has_endpoint(udev))
+ dev_warn(dev, "udev still have endpoint\n");
+
+ /*
+ * usbhsh_usbv_to_udev()
+ * usbhsh_udev_to_usbv()
+ * will be disable
+ */
+ dev_set_drvdata(&usbv->dev, NULL);
+ udev->usbv = NULL;
+}
+
+/*
+ * end-point control
+ */
+struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
+ struct usbhsh_device *udev,
+ struct usb_host_endpoint *ep,
+ gfp_t mem_flags)
+{
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+ struct usbhsh_ep *uep;
+ struct usbhsh_pipe_info *info;
+ struct usbhs_pipe *pipe, *best_pipe;
+ struct device *dev = usbhsh_hcd_to_dev(hcd);
+ struct usb_endpoint_descriptor *desc = &ep->desc;
+ int type, i;
+ unsigned int min_usr;
+
+ uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags);
+ if (!uep) {
+ dev_err(dev, "usbhsh_ep alloc fail\n");
+ return NULL;
+ }
+ type = usb_endpoint_type(desc);
+
+ /*
+ * find best pipe for endpoint
+ * see
+ * HARDWARE LIMITATION
+ */
+ min_usr = ~0;
+ best_pipe = NULL;
+ usbhs_for_each_pipe_with_dcp(pipe, priv, i) {
+ if (!usbhs_pipe_type_is(pipe, type))
+ continue;
+
+ info = usbhsh_pipe_info(pipe);
+
+ if (min_usr > info->usr_cnt) {
+ min_usr = info->usr_cnt;
+ best_pipe = pipe;
+ }
+ }
+
+ if (unlikely(!best_pipe)) {
+ dev_err(dev, "couldn't find best pipe\n");
+ kfree(uep);
+ return NULL;
+ }
+
+ /*
+ * init uep
+ */
+ uep->pipe = best_pipe;
+ uep->maxp = usb_endpoint_maxp(desc);
+ usbhsh_uep_to_udev(uep) = udev;
+ usbhsh_ep_to_uep(ep) = uep;
+
+ /*
+ * update pipe user count
+ */
+ info = usbhsh_pipe_info(best_pipe);
+ info->usr_cnt++;
+
+ /* init this endpoint, and attach it to udev */
+ INIT_LIST_HEAD(&uep->ep_list);
+ list_add_tail(&uep->ep_list, &udev->ep_list_head);
+
+ /*
+ * usbhs_pipe_config_update() should be called after
+ * usbhs_device_config()
+ * see
+ * DCPMAXP/PIPEMAXP
+ */
+ usbhs_pipe_config_update(uep->pipe,
+ usbhsh_device_number(hpriv, udev),
+ usb_endpoint_num(desc),
+ uep->maxp);
+
+ dev_dbg(dev, "%s [%d-%s](%p)\n", __func__,
+ usbhsh_device_number(hpriv, udev),
+ usbhs_pipe_name(pipe), uep);
+
+ return uep;
+}
+
+void usbhsh_endpoint_free(struct usbhsh_hpriv *hpriv,
+ struct usb_host_endpoint *ep)
+{
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+ struct usbhsh_ep *uep = usbhsh_ep_to_uep(ep);
+ struct usbhsh_pipe_info *info;
+
+ if (!uep)
+ return;
+
+ dev_dbg(dev, "%s [%d-%s](%p)\n", __func__,
+ usbhsh_device_number(hpriv, usbhsh_uep_to_udev(uep)),
+ usbhs_pipe_name(uep->pipe), uep);
+
+ info = usbhsh_pipe_info(uep->pipe);
+ info->usr_cnt--;
+
+ /* remove this endpoint from udev */
+ list_del_init(&uep->ep_list);
+
+ usbhsh_uep_to_udev(uep) = NULL;
+ usbhsh_ep_to_uep(ep) = NULL;
+
+ kfree(uep);
+}
+
+/*
+ * queue push/pop
+ */
+static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt)
+{
+ struct usbhsh_request *ureq = usbhsh_pkt_to_req(pkt);
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+ struct urb *urb = ureq->urb;
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ dev_dbg(dev, "%s\n", __func__);
+
+ if (!urb) {
+ dev_warn(dev, "pkt doesn't have urb\n");
+ return;
+ }
+
+ urb->actual_length = pkt->actual;
+ usbhsh_req_free(hpriv, ureq);
+ usbhsh_urb_to_ureq(urb) = NULL;
+
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
+ usb_hcd_giveback_urb(hcd, urb, 0);
+}
+
+static int usbhsh_queue_push(struct usb_hcd *hcd,
+ struct usbhs_pipe *pipe,
+ struct urb *urb)
+{
+ struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb);
+ struct usbhs_pkt *pkt = &ureq->pkt;
+ struct device *dev = usbhsh_hcd_to_dev(hcd);
+ void *buf;
+ int len;
+
+ if (usb_pipeisoc(urb->pipe)) {
+ dev_err(dev, "pipe iso is not supported now\n");
+ return -EIO;
+ }
+
+ if (usb_pipein(urb->pipe))
+ pipe->handler = &usbhs_fifo_pio_pop_handler;
+ else
+ pipe->handler = &usbhs_fifo_pio_push_handler;
+
+ buf = (void *)(urb->transfer_buffer + urb->actual_length);
+ len = urb->transfer_buffer_length - urb->actual_length;
+
+ dev_dbg(dev, "%s\n", __func__);
+ usbhs_pkt_push(pipe, pkt, usbhsh_queue_done,
+ buf, len, (urb->transfer_flags & URB_ZERO_PACKET));
+ usbhs_pkt_start(pipe);
+
+ return 0;
+}
+
+/*
+ * DCP setup stage
+ */
+static int usbhsh_is_request_address(struct urb *urb)
+{
+ struct usb_ctrlrequest *cmd;
+
+ cmd = (struct usb_ctrlrequest *)urb->setup_packet;
+
+ if ((DeviceOutRequest == cmd->bRequestType << 8) &&
+ (USB_REQ_SET_ADDRESS == cmd->bRequest))
+ return 1;
+ else
+ return 0;
+}
+
+static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv,
+ struct urb *urb,
+ struct usbhs_pipe *pipe)
+{
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct usb_ctrlrequest req;
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ /*
+ * wait setup packet ACK
+ * see
+ * usbhsh_irq_setup_ack()
+ * usbhsh_irq_setup_err()
+ */
+ DECLARE_COMPLETION(done);
+ hpriv->done = &done;
+
+ /* copy original request */
+ memcpy(&req, urb->setup_packet, sizeof(struct usb_ctrlrequest));
+
+ /*
+ * renesas_usbhs can not use original usb address.
+ * see HARDWARE LIMITATION.
+ * modify usb address here.
+ */
+ if (usbhsh_is_request_address(urb)) {
+ /* FIXME */
+ req.wValue = 1;
+ dev_dbg(dev, "create new address - %d\n", req.wValue);
+ }
+
+ /* set request */
+ usbhs_usbreq_set_val(priv, &req);
+
+ /*
+ * wait setup packet ACK
+ */
+ wait_for_completion(&done);
+ hpriv->done = NULL;
+
+ dev_dbg(dev, "%s done\n", __func__);
+}
+
+/*
+ * DCP data stage
+ */
+static void usbhsh_data_stage_packet_done(struct usbhs_priv *priv,
+ struct usbhs_pkt *pkt)
+{
+ struct usbhsh_request *ureq = usbhsh_pkt_to_req(pkt);
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct urb *urb = ureq->urb;
+
+ /* this ureq was connected to urb when usbhsh_urb_enqueue() */
+
+ usbhsh_req_free(hpriv, ureq);
+ usbhsh_urb_to_ureq(urb) = NULL;
+}
+
+static void usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv,
+ struct urb *urb,
+ struct usbhs_pipe *pipe)
+{
+ struct usbhsh_request *ureq;
+ struct usbhs_pkt *pkt;
+
+ /*
+ * FIXME
+ *
+ * data stage uses ureq which is connected to urb
+ * see usbhsh_urb_enqueue() :: alloc new request.
+ * it will be freed in usbhsh_data_stage_packet_done()
+ */
+ ureq = usbhsh_urb_to_ureq(urb);
+ pkt = &ureq->pkt;
+
+ if (usb_pipein(urb->pipe))
+ pipe->handler = &usbhs_dcp_data_stage_in_handler;
+ else
+ pipe->handler = &usbhs_dcp_data_stage_out_handler;
+
+ usbhs_pkt_push(pipe, pkt,
+ usbhsh_data_stage_packet_done,
+ urb->transfer_buffer,
+ urb->transfer_buffer_length,
+ (urb->transfer_flags & URB_ZERO_PACKET));
+}
+
+/*
+ * DCP status stage
+ */
+static void usbhsh_status_stage_packet_push(struct usbhsh_hpriv *hpriv,
+ struct urb *urb,
+ struct usbhs_pipe *pipe)
+{
+ struct usbhsh_request *ureq;
+ struct usbhs_pkt *pkt;
+
+ /*
+ * FIXME
+ *
+ * status stage uses allocated ureq.
+ * it will be freed on usbhsh_queue_done()
+ */
+ ureq = usbhsh_req_alloc(hpriv, urb, GFP_KERNEL);
+ pkt = &ureq->pkt;
+
+ if (usb_pipein(urb->pipe))
+ pipe->handler = &usbhs_dcp_status_stage_in_handler;
+ else
+ pipe->handler = &usbhs_dcp_status_stage_out_handler;
+
+ usbhs_pkt_push(pipe, pkt,
+ usbhsh_queue_done,
+ NULL,
+ urb->transfer_buffer_length,
+ 0);
+}
+
+static int usbhsh_dcp_queue_push(struct usb_hcd *hcd,
+ struct usbhsh_hpriv *hpriv,
+ struct usbhs_pipe *pipe,
+ struct urb *urb)
+{
+ struct device *dev = usbhsh_hcd_to_dev(hcd);
+
+ dev_dbg(dev, "%s\n", __func__);
+
+ /*
+ * setup stage
+ *
+ * usbhsh_send_setup_stage_packet() wait SACK/SIGN
+ */
+ usbhsh_setup_stage_packet_push(hpriv, urb, pipe);
+
+ /*
+ * data stage
+ *
+ * It is pushed only when urb has buffer.
+ */
+ if (urb->transfer_buffer_length)
+ usbhsh_data_stage_packet_push(hpriv, urb, pipe);
+
+ /*
+ * status stage
+ */
+ usbhsh_status_stage_packet_push(hpriv, urb, pipe);
+
+ /*
+ * start pushed packets
+ */
+ usbhs_pkt_start(pipe);
+
+ return 0;
+}
+
+/*
+ * dma map functions
+ */
+static int usbhsh_dma_map_ctrl(struct usbhs_pkt *pkt, int map)
+{
+ return 0;
+}
+
+/*
+ * for hc_driver
+ */
+static int usbhsh_host_start(struct usb_hcd *hcd)
+{
+ return 0;
+}
+
+static void usbhsh_host_stop(struct usb_hcd *hcd)
+{
+}
+
+static int usbhsh_urb_enqueue(struct usb_hcd *hcd,
+ struct urb *urb,
+ gfp_t mem_flags)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd);
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+ struct usb_device *usbv = usbhsh_urb_to_usbv(urb);
+ struct usb_host_endpoint *ep = urb->ep;
+ struct usbhsh_request *ureq;
+ struct usbhsh_device *udev, *new_udev = NULL;
+ struct usbhs_pipe *pipe;
+ struct usbhsh_ep *uep;
+
+ int ret;
+
+ dev_dbg(dev, "%s (%s)\n",
+ __func__, usb_pipein(urb->pipe) ? "in" : "out");
+
+ ret = usb_hcd_link_urb_to_ep(hcd, urb);
+ if (ret)
+ goto usbhsh_urb_enqueue_error_not_linked;
+
+ /*
+ * get udev
+ */
+ udev = usbhsh_usbv_to_udev(usbv);
+ if (!udev) {
+ new_udev = usbhsh_device_alloc(hpriv, urb);
+ if (!new_udev)
+ goto usbhsh_urb_enqueue_error_not_linked;
+
+ udev = new_udev;
+ }
+
+ /*
+ * get uep
+ */
+ uep = usbhsh_ep_to_uep(ep);
+ if (!uep) {
+ uep = usbhsh_endpoint_alloc(hpriv, udev, ep, mem_flags);
+ if (!uep)
+ goto usbhsh_urb_enqueue_error_free_device;
+ }
+ pipe = usbhsh_uep_to_pipe(uep);
+
+ /*
+ * alloc new request
+ */
+ ureq = usbhsh_req_alloc(hpriv, urb, mem_flags);
+ if (unlikely(!ureq)) {
+ ret = -ENOMEM;
+ goto usbhsh_urb_enqueue_error_free_endpoint;
+ }
+ usbhsh_urb_to_ureq(urb) = ureq;
+
+ /*
+ * push packet
+ */
+ if (usb_pipecontrol(urb->pipe))
+ usbhsh_dcp_queue_push(hcd, hpriv, pipe, urb);
+ else
+ usbhsh_queue_push(hcd, pipe, urb);
+
+ return 0;
+
+usbhsh_urb_enqueue_error_free_endpoint:
+ usbhsh_endpoint_free(hpriv, ep);
+usbhsh_urb_enqueue_error_free_device:
+ if (new_udev)
+ usbhsh_device_free(hpriv, new_udev);
+usbhsh_urb_enqueue_error_not_linked:
+
+ dev_dbg(dev, "%s error\n", __func__);
+
+ return ret;
+}
+
+static int usbhsh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd);
+ struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb);
+
+ if (ureq) {
+ usbhsh_req_free(hpriv, ureq);
+ usbhsh_urb_to_ureq(urb) = NULL;
+ }
+
+ return 0;
+}
+
+static void usbhsh_endpoint_disable(struct usb_hcd *hcd,
+ struct usb_host_endpoint *ep)
+{
+ struct usbhsh_ep *uep = usbhsh_ep_to_uep(ep);
+ struct usbhsh_device *udev;
+ struct usbhsh_hpriv *hpriv;
+
+ /*
+ * this function might be called manytimes by same hcd/ep
+ * in-endpoitn == out-endpoint if ep == dcp.
+ */
+ if (!uep)
+ return;
+
+ udev = usbhsh_uep_to_udev(uep);
+ hpriv = usbhsh_hcd_to_hpriv(hcd);
+
+ usbhsh_endpoint_free(hpriv, ep);
+ ep->hcpriv = NULL;
+
+ /*
+ * if there is no endpoint,
+ * free device
+ */
+ if (!usbhsh_device_has_endpoint(udev))
+ usbhsh_device_free(hpriv, udev);
+}
+
+static int usbhsh_hub_status_data(struct usb_hcd *hcd, char *buf)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd);
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+ int roothub_id = 1; /* only 1 root hub */
+
+ /*
+ * does port stat was changed ?
+ * check USB_PORT_STAT_C_xxx << 16
+ */
+ if (usbhsh_port_stat_get(hpriv) & 0xFFFF0000)
+ *buf = (1 << roothub_id);
+ else
+ *buf = 0;
+
+ dev_dbg(dev, "%s (%02x)\n", __func__, *buf);
+
+ return !!(*buf);
+}
+
+static int __usbhsh_hub_hub_feature(struct usbhsh_hpriv *hpriv,
+ u16 typeReq, u16 wValue,
+ u16 wIndex, char *buf, u16 wLength)
+{
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ switch (wValue) {
+ case C_HUB_OVER_CURRENT:
+ case C_HUB_LOCAL_POWER:
+ dev_dbg(dev, "%s :: C_HUB_xx\n", __func__);
+ return 0;
+ }
+
+ return -EPIPE;
+}
+
+static int __usbhsh_hub_port_feature(struct usbhsh_hpriv *hpriv,
+ u16 typeReq, u16 wValue,
+ u16 wIndex, char *buf, u16 wLength)
+{
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+ int enable = (typeReq == SetPortFeature);
+ int speed, i, timeout = 128;
+ int roothub_id = 1; /* only 1 root hub */
+
+ /* common error */
+ if (wIndex > roothub_id || wLength != 0)
+ return -EPIPE;
+
+ /* check wValue */
+ switch (wValue) {
+ case USB_PORT_FEAT_POWER:
+ usbhs_vbus_ctrl(priv, enable);
+ dev_dbg(dev, "%s :: USB_PORT_FEAT_POWER\n", __func__);
+ break;
+
+ case USB_PORT_FEAT_ENABLE:
+ case USB_PORT_FEAT_SUSPEND:
+ case USB_PORT_FEAT_C_ENABLE:
+ case USB_PORT_FEAT_C_SUSPEND:
+ case USB_PORT_FEAT_C_CONNECTION:
+ case USB_PORT_FEAT_C_OVER_CURRENT:
+ case USB_PORT_FEAT_C_RESET:
+ dev_dbg(dev, "%s :: USB_PORT_FEAT_xxx\n", __func__);
+ break;
+
+ case USB_PORT_FEAT_RESET:
+ if (!enable)
+ break;
+
+ usbhsh_port_stat_clear(hpriv,
+ USB_PORT_STAT_HIGH_SPEED |
+ USB_PORT_STAT_LOW_SPEED);
+
+ usbhs_bus_send_reset(priv);
+ msleep(20);
+ usbhs_bus_send_sof_enable(priv);
+
+ for (i = 0; i < timeout ; i++) {
+ switch (usbhs_bus_get_speed(priv)) {
+ case USB_SPEED_LOW:
+ speed = USB_PORT_STAT_LOW_SPEED;
+ goto got_usb_bus_speed;
+ case USB_SPEED_HIGH:
+ speed = USB_PORT_STAT_HIGH_SPEED;
+ goto got_usb_bus_speed;
+ case USB_SPEED_FULL:
+ speed = 0;
+ goto got_usb_bus_speed;
+ }
+
+ msleep(20);
+ }
+ return -EPIPE;
+
+got_usb_bus_speed:
+ usbhsh_port_stat_set(hpriv, speed);
+ usbhsh_port_stat_set(hpriv, USB_PORT_STAT_ENABLE);
+
+ dev_dbg(dev, "%s :: USB_PORT_FEAT_RESET (speed = %d)\n",
+ __func__, speed);
+
+ /* status change is not needed */
+ return 0;
+
+ default:
+ return -EPIPE;
+ }
+
+ /* set/clear status */
+ if (enable)
+ usbhsh_port_stat_set(hpriv, (1 << wValue));
+ else
+ usbhsh_port_stat_clear(hpriv, (1 << wValue));
+
+ return 0;
+}
+
+static int __usbhsh_hub_get_status(struct usbhsh_hpriv *hpriv,
+ u16 typeReq, u16 wValue,
+ u16 wIndex, char *buf, u16 wLength)
+{
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct usb_hub_descriptor *desc = (struct usb_hub_descriptor *)buf;
+ struct device *dev = usbhs_priv_to_dev(priv);
+ int roothub_id = 1; /* only 1 root hub */
+
+ switch (typeReq) {
+ case GetHubStatus:
+ dev_dbg(dev, "%s :: GetHubStatus\n", __func__);
+
+ *buf = 0x00;
+ break;
+
+ case GetPortStatus:
+ if (wIndex != roothub_id)
+ return -EPIPE;
+
+ dev_dbg(dev, "%s :: GetPortStatus\n", __func__);
+ *(__le32 *)buf = cpu_to_le32(usbhsh_port_stat_get(hpriv));
+ break;
+
+ case GetHubDescriptor:
+ desc->bDescriptorType = 0x29;
+ desc->bHubContrCurrent = 0;
+ desc->bNbrPorts = roothub_id;
+ desc->bDescLength = 9;
+ desc->bPwrOn2PwrGood = 0;
+ desc->wHubCharacteristics = cpu_to_le16(0x0011);
+ desc->u.hs.DeviceRemovable[0] = (roothub_id << 1);
+ desc->u.hs.DeviceRemovable[1] = ~0;
+ dev_dbg(dev, "%s :: GetHubDescriptor\n", __func__);
+ break;
+ }
+
+ return 0;
+}
+
+static int usbhsh_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+ u16 wIndex, char *buf, u16 wLength)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd);
+ struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+ int ret = -EPIPE;
+
+ switch (typeReq) {
+
+ /* Hub Feature */
+ case ClearHubFeature:
+ case SetHubFeature:
+ ret = __usbhsh_hub_hub_feature(hpriv, typeReq,
+ wValue, wIndex, buf, wLength);
+ break;
+
+ /* Port Feature */
+ case SetPortFeature:
+ case ClearPortFeature:
+ ret = __usbhsh_hub_port_feature(hpriv, typeReq,
+ wValue, wIndex, buf, wLength);
+ break;
+
+ /* Get status */
+ case GetHubStatus:
+ case GetPortStatus:
+ case GetHubDescriptor:
+ ret = __usbhsh_hub_get_status(hpriv, typeReq,
+ wValue, wIndex, buf, wLength);
+ break;
+ }
+
+ dev_dbg(dev, "typeReq = %x, ret = %d, port_stat = %x\n",
+ typeReq, ret, usbhsh_port_stat_get(hpriv));
+
+ return ret;
+}
+
+static struct hc_driver usbhsh_driver = {
+ .description = usbhsh_hcd_name,
+ .hcd_priv_size = sizeof(struct usbhsh_hpriv),
+
+ /*
+ * generic hardware linkage
+ */
+ .flags = HCD_USB2,
+
+ .start = usbhsh_host_start,
+ .stop = usbhsh_host_stop,
+
+ /*
+ * managing i/o requests and associated device resources
+ */
+ .urb_enqueue = usbhsh_urb_enqueue,
+ .urb_dequeue = usbhsh_urb_dequeue,
+ .endpoint_disable = usbhsh_endpoint_disable,
+
+ /*
+ * root hub
+ */
+ .hub_status_data = usbhsh_hub_status_data,
+ .hub_control = usbhsh_hub_control,
+};
+
+/*
+ * interrupt functions
+ */
+static int usbhsh_irq_attch(struct usbhs_priv *priv,
+ struct usbhs_irq_state *irq_state)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ dev_dbg(dev, "device attached\n");
+
+ usbhsh_port_stat_set(hpriv, USB_PORT_STAT_CONNECTION);
+ usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16);
+
+ return 0;
+}
+
+static int usbhsh_irq_dtch(struct usbhs_priv *priv,
+ struct usbhs_irq_state *irq_state)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ dev_dbg(dev, "device detached\n");
+
+ usbhsh_port_stat_clear(hpriv, USB_PORT_STAT_CONNECTION);
+ usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16);
+
+ return 0;
+}
+
+static int usbhsh_irq_setup_ack(struct usbhs_priv *priv,
+ struct usbhs_irq_state *irq_state)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ dev_dbg(dev, "setup packet OK\n");
+
+ if (unlikely(!hpriv->done))
+ dev_err(dev, "setup ack happen without necessary data\n");
+ else
+ complete(hpriv->done); /* see usbhsh_urb_enqueue() */
+
+ return 0;
+}
+
+static int usbhsh_irq_setup_err(struct usbhs_priv *priv,
+ struct usbhs_irq_state *irq_state)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ dev_dbg(dev, "setup packet Err\n");
+
+ if (unlikely(!hpriv->done))
+ dev_err(dev, "setup err happen without necessary data\n");
+ else
+ complete(hpriv->done); /* see usbhsh_urb_enqueue() */
+
+ return 0;
+}
+
+/*
+ * module start/stop
+ */
+static void usbhsh_pipe_init_for_host(struct usbhs_priv *priv)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct usbhsh_pipe_info *pipe_info = hpriv->pipe_info;
+ struct usbhs_pipe *pipe;
+ u32 *pipe_type = usbhs_get_dparam(priv, pipe_type);
+ int pipe_size = usbhs_get_dparam(priv, pipe_size);
+ int old_type, dir_in, i;
+
+ /* init all pipe */
+ old_type = USB_ENDPOINT_XFER_CONTROL;
+ for (i = 0; i < pipe_size; i++) {
+ pipe_info[i].usr_cnt = 0;
+
+ /*
+ * data "output" will be finished as soon as possible,
+ * but there is no guaranty at data "input" case.
+ *
+ * "input" needs "standby" pipe.
+ * So, "input" direction pipe > "output" direction pipe
+ * is good idea.
+ *
+ * 1st USB_ENDPOINT_XFER_xxx will be output direction,
+ * and the other will be input direction here.
+ *
+ * ex)
+ * ...
+ * USB_ENDPOINT_XFER_ISOC -> dir out
+ * USB_ENDPOINT_XFER_ISOC -> dir in
+ * USB_ENDPOINT_XFER_BULK -> dir out
+ * USB_ENDPOINT_XFER_BULK -> dir in
+ * USB_ENDPOINT_XFER_BULK -> dir in
+ * ...
+ */
+ dir_in = (pipe_type[i] == old_type);
+ old_type = pipe_type[i];
+
+ if (USB_ENDPOINT_XFER_CONTROL == pipe_type[i]) {
+ pipe = usbhs_dcp_malloc(priv);
+ usbhsh_hpriv_to_dcp(hpriv) = pipe;
+ } else {
+ pipe = usbhs_pipe_malloc(priv,
+ pipe_type[i],
+ dir_in);
+ }
+
+ pipe->mod_private = pipe_info + i;
+ }
+}
+
+static int usbhsh_start(struct usbhs_priv *priv)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+ struct usbhs_mod *mod = usbhs_mod_get_current(priv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+ int ret;
+
+ /* add hcd */
+ ret = usb_add_hcd(hcd, 0, 0);
+ if (ret < 0)
+ return 0;
+
+ /*
+ * pipe initialize and enable DCP
+ */
+ usbhs_pipe_init(priv,
+ usbhsh_dma_map_ctrl);
+ usbhs_fifo_init(priv);
+ usbhsh_pipe_init_for_host(priv);
+
+ /*
+ * system config enble
+ * - HI speed
+ * - host
+ * - usb module
+ */
+ usbhs_sys_hispeed_ctrl(priv, 1);
+ usbhs_sys_host_ctrl(priv, 1);
+ usbhs_sys_usb_ctrl(priv, 1);
+
+ /*
+ * enable irq callback
+ */
+ mod->irq_attch = usbhsh_irq_attch;
+ mod->irq_dtch = usbhsh_irq_dtch;
+ mod->irq_sack = usbhsh_irq_setup_ack;
+ mod->irq_sign = usbhsh_irq_setup_err;
+ usbhs_irq_callback_update(priv, mod);
+
+ dev_dbg(dev, "start host\n");
+
+ return ret;
+}
+
+static int usbhsh_stop(struct usbhs_priv *priv)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ usb_remove_hcd(hcd);
+
+ /* disable sys */
+ usbhs_sys_hispeed_ctrl(priv, 0);
+ usbhs_sys_host_ctrl(priv, 0);
+ usbhs_sys_usb_ctrl(priv, 0);
+
+ dev_dbg(dev, "quit host\n");
+
+ return 0;
+}
+
+int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv)
+{
+ struct usbhsh_hpriv *hpriv;
+ struct usb_hcd *hcd;
+ struct usbhsh_pipe_info *pipe_info;
+ struct usbhsh_device *udev;
+ struct device *dev = usbhs_priv_to_dev(priv);
+ int pipe_size = usbhs_get_dparam(priv, pipe_size);
+ int i;
+
+ /* initialize hcd */
+ hcd = usb_create_hcd(&usbhsh_driver, dev, usbhsh_hcd_name);
+ if (!hcd) {
+ dev_err(dev, "Failed to create hcd\n");
+ return -ENOMEM;
+ }
+
+ pipe_info = kzalloc(sizeof(*pipe_info) * pipe_size, GFP_KERNEL);
+ if (!pipe_info) {
+ dev_err(dev, "Could not allocate pipe_info\n");
+ goto usbhs_mod_host_probe_err;
+ }
+
+ /*
+ * CAUTION
+ *
+ * There is no guarantee that it is possible to access usb module here.
+ * Don't accesses to it.
+ * The accesse will be enable after "usbhsh_start"
+ */
+
+ hpriv = usbhsh_hcd_to_hpriv(hcd);
+
+ /*
+ * register itself
+ */
+ usbhs_mod_register(priv, &hpriv->mod, USBHS_HOST);
+
+ /* init hpriv */
+ hpriv->mod.name = "host";
+ hpriv->mod.start = usbhsh_start;
+ hpriv->mod.stop = usbhsh_stop;
+ hpriv->pipe_info = pipe_info;
+ hpriv->pipe_size = pipe_size;
+ hpriv->done = NULL;
+ usbhsh_req_list_init(hpriv);
+ usbhsh_port_stat_init(hpriv);
+
+ /* init all device */
+ usbhsh_for_each_udev_with_dev0(udev, hpriv, i) {
+ udev->usbv = NULL;
+ INIT_LIST_HEAD(&udev->ep_list_head);
+ }
+
+ dev_info(dev, "host probed\n");
+
+ return 0;
+
+usbhs_mod_host_probe_err:
+ usb_put_hcd(hcd);
+
+ return -ENOMEM;
+}
+
+int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv)
+{
+ struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv);
+ struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
+
+ usbhsh_req_list_quit(hpriv);
+
+ usb_put_hcd(hcd);
+
+ return 0;
+}
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 1b14cae45704..c74389ce2177 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -29,9 +29,6 @@
#define usbhsp_flags_has(p, f) ((p)->flags & USBHS_PIPE_FLAGS_##f)
#define usbhsp_flags_init(p) do {(p)->flags = 0; } while (0)
-#define usbhsp_type(p) ((p)->pipe_type)
-#define usbhsp_type_is(p, t) ((p)->pipe_type == t)
-
/*
* for debug
*/
@@ -42,28 +39,9 @@ static char *usbhsp_pipe_name[] = {
[USB_ENDPOINT_XFER_ISOC] = "ISO",
};
-/*
- * usb request functions
- */
-void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
+char *usbhs_pipe_name(struct usbhs_pipe *pipe)
{
- u16 val;
-
- val = usbhs_read(priv, USBREQ);
- req->bRequest = (val >> 8) & 0xFF;
- req->bRequestType = (val >> 0) & 0xFF;
-
- req->wValue = usbhs_read(priv, USBVAL);
- req->wIndex = usbhs_read(priv, USBINDX);
- req->wLength = usbhs_read(priv, USBLENG);
-}
-
-void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req)
-{
- usbhs_write(priv, USBREQ, (req->bRequest << 8) | req->bRequestType);
- usbhs_write(priv, USBVAL, req->wValue);
- usbhs_write(priv, USBINDX, req->wIndex);
- usbhs_write(priv, USBLENG, req->wLength);
+ return usbhsp_pipe_name[usbhs_pipe_type(pipe)];
}
/*
@@ -106,17 +84,6 @@ static void __usbhsp_pipe_xxx_set(struct usbhs_pipe *pipe,
usbhs_bset(priv, pipe_reg, mask, val);
}
-static u16 __usbhsp_pipe_xxx_get(struct usbhs_pipe *pipe,
- u16 dcp_reg, u16 pipe_reg)
-{
- struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
-
- if (usbhs_pipe_is_dcp(pipe))
- return usbhs_read(priv, dcp_reg);
- else
- return usbhs_read(priv, pipe_reg);
-}
-
/*
* DCPCFG/PIPECFG functions
*/
@@ -144,11 +111,6 @@ static void usbhsp_pipe_maxp_set(struct usbhs_pipe *pipe, u16 mask, u16 val)
__usbhsp_pipe_xxx_set(pipe, DCPMAXP, PIPEMAXP, mask, val);
}
-static u16 usbhsp_pipe_maxp_get(struct usbhs_pipe *pipe)
-{
- return __usbhsp_pipe_xxx_get(pipe, DCPMAXP, PIPEMAXP);
-}
-
/*
* pipe control functions
*/
@@ -303,16 +265,16 @@ static int usbhsp_possible_double_buffer(struct usbhs_pipe *pipe)
/*
* only ISO / BULK pipe can use double buffer
*/
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK) ||
- usbhsp_type_is(pipe, USB_ENDPOINT_XFER_ISOC))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK) ||
+ usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_ISOC))
return 1;
return 0;
}
static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
- const struct usb_endpoint_descriptor *desc,
- int is_host)
+ int is_host,
+ int dir_in)
{
u16 type = 0;
u16 bfre = 0;
@@ -341,40 +303,40 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
*/
/* TYPE */
- type = type_array[usbhsp_type(pipe)];
+ type = type_array[usbhs_pipe_type(pipe)];
/* BFRE */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_ISOC) ||
- usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_ISOC) ||
+ usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK))
bfre = 0; /* FIXME */
/* DBLB */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_ISOC) ||
- usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_ISOC) ||
+ usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK))
dblb = (is_double) ? DBLB : 0;
/* CNTMD */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK))
cntmd = 0; /* FIXME */
/* DIR */
- if (usb_endpoint_dir_in(desc))
+ if (dir_in)
usbhsp_flags_set(pipe, IS_DIR_HOST);
- if ((is_host && usb_endpoint_dir_out(desc)) ||
- (!is_host && usb_endpoint_dir_in(desc)))
+ if ((is_host && !dir_in) ||
+ (!is_host && dir_in))
dir |= DIR_OUT;
if (!dir)
usbhsp_flags_set(pipe, IS_DIR_IN);
/* SHTNAK */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_BULK) &&
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_BULK) &&
!dir)
shtnak = SHTNAK;
/* EPNUM */
- epnum = 0xF & usb_endpoint_num(desc);
+ epnum = 0; /* see usbhs_pipe_config_update() */
return type |
bfre |
@@ -385,19 +347,7 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
epnum;
}
-static u16 usbhsp_setup_pipemaxp(struct usbhs_pipe *pipe,
- const struct usb_endpoint_descriptor *desc,
- int is_host)
-{
- /* host should set DEVSEL */
-
- /* reutn MXPS */
- return PIPE_MAXP_MASK & le16_to_cpu(desc->wMaxPacketSize);
-}
-
-static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
- const struct usb_endpoint_descriptor *desc,
- int is_host)
+static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe)
{
struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv);
@@ -441,9 +391,9 @@ static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
* INT : 64 byte
* ISOC: 512 byte
*/
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_CONTROL))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_CONTROL))
buff_size = 256;
- else if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_INT))
+ else if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_INT))
buff_size = 64;
else
buff_size = 512;
@@ -453,7 +403,7 @@ static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
/* BUFNMB has been reserved for INT pipe
* see above */
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_INT)) {
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_INT)) {
bufnmb = pipe_num - 2;
} else {
bufnmb = info->bufnmb_last;
@@ -473,16 +423,42 @@ static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
(0xff & bufnmb) << 0;
}
+void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
+ u16 epnum, u16 maxp)
+{
+ if (devsel > 0xA) {
+ struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
+ struct device *dev = usbhs_priv_to_dev(priv);
+
+ dev_err(dev, "devsel error %d\n", devsel);
+
+ devsel = 0;
+ }
+
+ usbhsp_pipe_barrier(pipe);
+
+ pipe->maxp = maxp;
+
+ usbhsp_pipe_select(pipe);
+ usbhsp_pipe_maxp_set(pipe, 0xFFFF,
+ (devsel << 12) |
+ maxp);
+
+ if (!usbhs_pipe_is_dcp(pipe))
+ usbhsp_pipe_cfg_set(pipe, 0x000F, epnum);
+}
+
/*
* pipe control
*/
int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe)
{
- u16 mask = usbhs_pipe_is_dcp(pipe) ? DCP_MAXP_MASK : PIPE_MAXP_MASK;
-
- usbhsp_pipe_select(pipe);
-
- return (int)(usbhsp_pipe_maxp_get(pipe) & mask);
+ /*
+ * see
+ * usbhs_pipe_config_update()
+ * usbhs_dcp_malloc()
+ */
+ return pipe->maxp;
}
int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe)
@@ -495,9 +471,12 @@ int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe)
return usbhsp_flags_has(pipe, IS_DIR_HOST);
}
-void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe)
+void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data)
{
- usbhsp_pipectrl_set(pipe, SQCLR, SQCLR);
+ u16 mask = (SQCLR | SQSET);
+ u16 val = (data) ? SQSET : SQCLR;
+
+ usbhsp_pipectrl_set(pipe, mask, val);
}
void usbhs_pipe_clear(struct usbhs_pipe *pipe)
@@ -516,7 +495,7 @@ static struct usbhs_pipe *usbhsp_get_pipe(struct usbhs_priv *priv, u32 type)
*/
pipe = NULL;
usbhs_for_each_pipe_with_dcp(pos, priv, i) {
- if (!usbhsp_type_is(pos, type))
+ if (!usbhs_pipe_type_is(pos, type))
continue;
if (usbhsp_flags_has(pos, IS_USED))
continue;
@@ -538,19 +517,12 @@ static struct usbhs_pipe *usbhsp_get_pipe(struct usbhs_priv *priv, u32 type)
}
void usbhs_pipe_init(struct usbhs_priv *priv,
- void (*done)(struct usbhs_pkt *pkt),
int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map))
{
struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv);
- struct device *dev = usbhs_priv_to_dev(priv);
struct usbhs_pipe *pipe;
int i;
- if (!done) {
- dev_err(dev, "no done function\n");
- return;
- }
-
/*
* FIXME
*
@@ -565,7 +537,7 @@ void usbhs_pipe_init(struct usbhs_priv *priv,
*/
info->bufnmb_last = 4;
usbhs_for_each_pipe_with_dcp(pipe, priv, i) {
- if (usbhsp_type_is(pipe, USB_ENDPOINT_XFER_INT))
+ if (usbhs_pipe_type_is(pipe, USB_ENDPOINT_XFER_INT))
info->bufnmb_last++;
usbhsp_flags_init(pipe);
@@ -577,24 +549,23 @@ void usbhs_pipe_init(struct usbhs_priv *priv,
usbhs_pipe_clear(pipe);
}
- info->done = done;
info->dma_map_ctrl = dma_map_ctrl;
}
struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
- const struct usb_endpoint_descriptor *desc)
+ int endpoint_type,
+ int dir_in)
{
struct device *dev = usbhs_priv_to_dev(priv);
- struct usbhs_mod *mod = usbhs_mod_get_current(priv);
struct usbhs_pipe *pipe;
- int is_host = usbhs_mod_is_host(priv, mod);
+ int is_host = usbhs_mod_is_host(priv);
int ret;
- u16 pipecfg, pipebuf, pipemaxp;
+ u16 pipecfg, pipebuf;
- pipe = usbhsp_get_pipe(priv, usb_endpoint_type(desc));
+ pipe = usbhsp_get_pipe(priv, endpoint_type);
if (!pipe) {
dev_err(dev, "can't get pipe (%s)\n",
- usbhsp_pipe_name[usb_endpoint_type(desc)]);
+ usbhsp_pipe_name[endpoint_type]);
return NULL;
}
@@ -609,22 +580,25 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
return NULL;
}
- pipecfg = usbhsp_setup_pipecfg(pipe, desc, is_host);
- pipebuf = usbhsp_setup_pipebuff(pipe, desc, is_host);
- pipemaxp = usbhsp_setup_pipemaxp(pipe, desc, is_host);
+ pipecfg = usbhsp_setup_pipecfg(pipe, is_host, dir_in);
+ pipebuf = usbhsp_setup_pipebuff(pipe);
usbhsp_pipe_select(pipe);
usbhsp_pipe_cfg_set(pipe, 0xFFFF, pipecfg);
usbhsp_pipe_buf_set(pipe, 0xFFFF, pipebuf);
- usbhsp_pipe_maxp_set(pipe, 0xFFFF, pipemaxp);
- usbhs_pipe_clear_sequence(pipe);
+ usbhs_pipe_sequence_data0(pipe);
dev_dbg(dev, "enable pipe %d : %s (%s)\n",
usbhs_pipe_number(pipe),
- usbhsp_pipe_name[usb_endpoint_type(desc)],
+ usbhs_pipe_name(pipe),
usbhs_pipe_is_dir_in(pipe) ? "in" : "out");
+ /*
+ * epnum / maxp are still not set to this pipe.
+ * call usbhs_pipe_config_update() after this function !!
+ */
+
return pipe;
}
@@ -651,25 +625,31 @@ struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv)
if (!pipe)
return NULL;
+ INIT_LIST_HEAD(&pipe->list);
+
/*
- * dcpcfg : default
- * dcpmaxp : default
- * pipebuf : nothing to do
+ * call usbhs_pipe_config_update() after this function !!
*/
- usbhsp_pipe_select(pipe);
- usbhs_pipe_clear_sequence(pipe);
- INIT_LIST_HEAD(&pipe->list);
-
return pipe;
}
void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe)
{
+ struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
+
WARN_ON(!usbhs_pipe_is_dcp(pipe));
usbhs_pipe_enable(pipe);
- usbhsp_pipectrl_set(pipe, CCPL, CCPL);
+
+ if (!usbhs_mod_is_host(priv)) /* funconly */
+ usbhsp_pipectrl_set(pipe, CCPL, CCPL);
+}
+
+void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out)
+{
+ usbhsp_pipe_cfg_set(pipe, DIR_OUT,
+ dir_out ? DIR_OUT : 0);
}
/*
@@ -703,7 +683,9 @@ int usbhs_pipe_probe(struct usbhs_priv *priv)
*/
usbhs_for_each_pipe_with_dcp(pipe, priv, i) {
pipe->priv = priv;
- usbhsp_type(pipe) = pipe_type[i] & USB_ENDPOINT_XFERTYPE_MASK;
+
+ usbhs_pipe_type(pipe) =
+ pipe_type[i] & USB_ENDPOINT_XFERTYPE_MASK;
dev_dbg(dev, "pipe %x\t: %s\n",
i, usbhsp_pipe_name[pipe_type[i]]);
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index 41534cb0e734..6334fc644cc0 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -30,11 +30,15 @@ struct usbhs_pipe {
struct usbhs_fifo *fifo;
struct list_head list;
+ int maxp;
+
u32 flags;
#define USBHS_PIPE_FLAGS_IS_USED (1 << 0)
#define USBHS_PIPE_FLAGS_IS_DIR_IN (1 << 1)
#define USBHS_PIPE_FLAGS_IS_DIR_HOST (1 << 2)
+ struct usbhs_pkt_handle *handler;
+
void *mod_private;
};
@@ -43,7 +47,6 @@ struct usbhs_pipe_info {
int size; /* array size of "pipe" */
int bufnmb_last; /* FIXME : driver needs good allocator */
- void (*done)(struct usbhs_pkt *pkt);
int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map);
};
@@ -67,32 +70,30 @@ struct usbhs_pipe_info {
#define usbhs_priv_to_pipeinfo(pr) (&(pr)->pipe_info)
/*
- * usb request
- */
-void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
-void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
-
-/*
* pipe control
*/
+char *usbhs_pipe_name(struct usbhs_pipe *pipe);
struct usbhs_pipe
-*usbhs_pipe_malloc(struct usbhs_priv *priv,
- const struct usb_endpoint_descriptor *desc);
+*usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in);
int usbhs_pipe_probe(struct usbhs_priv *priv);
void usbhs_pipe_remove(struct usbhs_priv *priv);
int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe);
void usbhs_pipe_init(struct usbhs_priv *priv,
- void (*done)(struct usbhs_pkt *pkt),
int (*dma_map_ctrl)(struct usbhs_pkt *pkt, int map));
int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe);
-void usbhs_pipe_clear_sequence(struct usbhs_pipe *pipe);
void usbhs_pipe_clear(struct usbhs_pipe *pipe);
int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
void usbhs_pipe_enable(struct usbhs_pipe *pipe);
void usbhs_pipe_disable(struct usbhs_pipe *pipe);
void usbhs_pipe_stall(struct usbhs_pipe *pipe);
void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
+void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
+ u16 epnum, u16 maxp);
+
+#define usbhs_pipe_sequence_data0(pipe) usbhs_pipe_data_sequence(pipe, 0)
+#define usbhs_pipe_sequence_data1(pipe) usbhs_pipe_data_sequence(pipe, 1)
+void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data);
#define usbhs_pipe_to_priv(p) ((p)->priv)
#define usbhs_pipe_number(p) (int)((p) - (p)->priv->pipe_info.pipe)
@@ -100,10 +101,14 @@ void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
#define usbhs_pipe_to_fifo(p) ((p)->fifo)
#define usbhs_pipe_is_busy(p) usbhs_pipe_to_fifo(p)
+#define usbhs_pipe_type(p) ((p)->pipe_type)
+#define usbhs_pipe_type_is(p, t) ((p)->pipe_type == t)
+
/*
* dcp control
*/
struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv);
void usbhs_dcp_control_transfer_done(struct usbhs_pipe *pipe);
+void usbhs_dcp_dir_for_host(struct usbhs_pipe *pipe, int dir_out);
#endif /* RENESAS_USB_PIPE_H */