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-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-core.c37
-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-core.h7
-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-ehci.c4
-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-hid.c85
-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-hub.c4
-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-ohci.c16
-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-slof.c34
-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-xhci.c236
-rw-r--r--qemu/roms/SLOF/lib/libusb/usb-xhci.h5
9 files changed, 316 insertions, 112 deletions
diff --git a/qemu/roms/SLOF/lib/libusb/usb-core.c b/qemu/roms/SLOF/lib/libusb/usb-core.c
index 6719c5726..4c720ce2f 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-core.c
+++ b/qemu/roms/SLOF/lib/libusb/usb-core.c
@@ -383,8 +383,6 @@ int usb_hid_exit(void *vdev)
return true;
}
-#define usb_get_intf_class(x) ((x & 0x00FF0000) >> 16)
-
int usb_msc_init(void *vdev)
{
struct usb_dev *dev;
@@ -420,7 +418,7 @@ int usb_msc_exit(void *vdev)
return true;
}
-static int usb_msc_reset(struct usb_dev *dev)
+int usb_msc_reset(struct usb_dev *dev)
{
struct usb_dev_req req;
@@ -477,7 +475,7 @@ static int usb_handle_device(struct usb_dev *dev, struct usb_dev_config_descr *c
case DESCR_TYPE_HUB:
break;
default:
- printf("ptr %p desc_type %d\n", ptr, desc_type);
+ dprintf("ptr %p desc_type %d\n", ptr, desc_type);
}
ptr += desc_len;
len -= desc_len;
@@ -485,7 +483,7 @@ static int usb_handle_device(struct usb_dev *dev, struct usb_dev_config_descr *c
return true;
}
-int setup_new_device(struct usb_dev *dev, unsigned int port)
+int usb_setup_new_device(struct usb_dev *dev, unsigned int port)
{
struct usb_dev_descr descr;
struct usb_dev_config_descr cfg;
@@ -552,35 +550,6 @@ int setup_new_device(struct usb_dev *dev, unsigned int port)
if (!usb_handle_device(dev, &cfg, data, len))
goto fail_mem_free;
- switch (usb_get_intf_class(dev->class)) {
- case 3:
- dprintf("HID found %06X\n", dev->class);
- slof_usb_handle(dev);
- break;
- case 8:
- dprintf("MASS STORAGE found %d %06X\n", dev->intf_num,
- dev->class);
- if ((dev->class & 0x50) != 0x50) { /* Bulk-only supported */
- printf("Device not supported %06X\n", dev->class);
- goto fail_mem_free;
- }
-
- if (!usb_msc_reset(dev)) {
- printf("%s: bulk reset failed\n", __func__);
- goto fail_mem_free;
- }
- SLOF_msleep(100);
- slof_usb_handle(dev);
- break;
- case 9:
- dprintf("HUB found\n");
- slof_usb_handle(dev);
- break;
- default:
- printf("USB Interface class -%x- Not supported\n", dev->class);
- break;
- }
-
SLOF_dma_free(data, len);
return true;
fail_mem_free:
diff --git a/qemu/roms/SLOF/lib/libusb/usb-core.h b/qemu/roms/SLOF/lib/libusb/usb-core.h
index 7441979e9..a35df3485 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-core.h
+++ b/qemu/roms/SLOF/lib/libusb/usb-core.h
@@ -261,6 +261,8 @@ struct usb_hcd_ops {
unsigned int usb_type;
};
+#define usb_get_intf_class(x) ((x & 0x00FF0000) >> 16)
+
extern void usb_hcd_register(struct usb_hcd_ops *ops);
extern struct usb_pipe *usb_get_pipe(struct usb_dev *dev, struct usb_ep_descr *ep,
char *buf, size_t len);
@@ -269,11 +271,12 @@ extern int usb_poll_intr(struct usb_pipe *pipe, uint8_t *buf);
extern int usb_send_ctrl(struct usb_pipe *pipe, struct usb_dev_req *req, void *data);
extern struct usb_dev *usb_devpool_get(void);
extern void usb_devpool_put(struct usb_dev *);
-extern int setup_new_device(struct usb_dev *dev, unsigned int port);
-extern int slof_usb_handle(struct usb_dev *dev);
+extern int usb_setup_new_device(struct usb_dev *dev, unsigned int port);
+extern void usb_slof_populate_new_device(struct usb_dev *dev);
extern int usb_dev_populate_pipe(struct usb_dev *dev, struct usb_ep_descr *ep,
void *buf, size_t len);
extern int usb_hid_kbd_init(struct usb_dev *dev);
extern int usb_hid_kbd_exit(struct usb_dev *dev);
+extern int usb_msc_reset(struct usb_dev *dev);
extern void usb_msc_resetrecovery(struct usb_dev *dev);
#endif
diff --git a/qemu/roms/SLOF/lib/libusb/usb-ehci.c b/qemu/roms/SLOF/lib/libusb/usb-ehci.c
index 4cca0da15..60af9e101 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-ehci.c
+++ b/qemu/roms/SLOF/lib/libusb/usb-ehci.c
@@ -79,7 +79,9 @@ static int ehci_hub_check_ports(struct ehci_hcd *ehcd)
dprintf("usb-ehci: allocated device %p\n", dev);
dev->hcidev = ehcd->hcidev;
dev->speed = USB_HIGH_SPEED; /* TODO: Check for Low/Full speed device */
- if (!setup_new_device(dev, i))
+ if (usb_setup_new_device(dev, i))
+ usb_slof_populate_new_device(dev);
+ else
printf("usb-ehci: unable to setup device on port %d\n", i);
}
}
diff --git a/qemu/roms/SLOF/lib/libusb/usb-hid.c b/qemu/roms/SLOF/lib/libusb/usb-hid.c
index f0cab8a69..ac6616aba 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-hid.c
+++ b/qemu/roms/SLOF/lib/libusb/usb-hid.c
@@ -28,6 +28,10 @@
#define HID_REQ_SET_IDLE 0x0A
#define HID_REQ_SET_PROTOCOL 0x0B
+//key position for latin letters
+#define KEYP_LATIN_A 4
+#define KEYP_LATIN_Z 29
+
//#define KEY_DEBUG
/* HID SPEC - 7.2.6 Set_Protocol Request */
@@ -83,6 +87,8 @@ uint8_t set_leds;
const uint8_t *key_std = NULL;
const uint8_t *key_std_shift = NULL;
+uint8_t ctrl; /* modifiers */
+
/**
* read character from Keyboard-Buffer
*
@@ -111,6 +117,16 @@ static void write_key(uint8_t key)
}
/**
+ * Checks if keypos is a latin key
+ * @param keypos
+ * @return -
+ */
+static bool is_latin(uint8_t keypos)
+{
+ return keypos >= KEYP_LATIN_A && keypos <= KEYP_LATIN_Z;
+}
+
+/**
* Convert keyboard usage-ID to ANSI-Code
*
* @param Ctrl=Modifier Byte
@@ -120,22 +136,24 @@ static void write_key(uint8_t key)
static void get_char(uint8_t ctrl, uint8_t keypos)
{
uint8_t ch;
+ bool caps = false;
#ifdef KEY_DEBUG
printf("pos %02X\n", keypos);
#endif
if (set_leds & LED_CAPS_LOCK) /* is CAPS Lock set ? */
- ctrl |= MODIFIER_SHIFT; /* simulate shift */
+ caps = true;
- if (ctrl == 0) {
+ /* caps is a shift only for latin chars */
+ if ((!caps && ctrl == 0) || (caps && !is_latin(keypos))) {
ch = key_std[keypos];
if (ch != 0)
write_key(ch);
return;
}
- if (ctrl & MODIFIER_SHIFT) {
+ if ((ctrl & MODIFIER_SHIFT) || caps) {
ch = key_std_shift[keypos];
if (ch != 0)
write_key(ch);
@@ -187,36 +205,38 @@ static void check_key_code(uint8_t *buf)
set_leds ^= LED_CAPS_LOCK;
break;
+ case 0x36: /*Shift pressed*/
+ ctrl |= MODIFIER_SHIFT;
+ break;
+ case 0xb6: /*Shift unpressed*/
+ ctrl &= ~MODIFIER_SHIFT;
+ break;
case 0x3a: /* F1 */
write_key(0x1b);
write_key(0x5b);
- write_key(0x31);
- write_key(0x31);
- write_key(0x7e);
+ write_key(0x4f);
+ write_key(0x50);
break;
case 0x3b: /* F2 */
write_key(0x1b);
write_key(0x5b);
- write_key(0x31);
- write_key(0x32);
- write_key(0x7e);
+ write_key(0x4f);
+ write_key(0x51);
break;
case 0x3c:
write_key(0x1b); /* F3 */
write_key(0x5b);
- write_key(0x31);
- write_key(0x33);
- write_key(0x7e);
+ write_key(0x4f);
+ write_key(0x52);
break;
case 0x3d:
write_key(0x1b); /* F4 */
write_key(0x5b);
- write_key(0x31);
- write_key(0x34);
- write_key(0x7e);
+ write_key(0x4f);
+ write_key(0x53);
break;
case 0x3e:
@@ -254,7 +274,7 @@ static void check_key_code(uint8_t *buf)
case 0x42:
write_key(0x1b); /* F9 */
write_key(0x5b);
- write_key(0x31);
+ write_key(0x32);
write_key(0x30);
write_key(0x7e);
break;
@@ -262,7 +282,7 @@ static void check_key_code(uint8_t *buf)
case 0x43:
write_key(0x1b); /* F10 */
write_key(0x5b);
- write_key(0x31);
+ write_key(0x32);
write_key(0x31);
write_key(0x7e);
break;
@@ -270,7 +290,7 @@ static void check_key_code(uint8_t *buf)
case 0x44:
write_key(0x1b); /* F11 */
write_key(0x5b);
- write_key(0x31);
+ write_key(0x32);
write_key(0x33);
write_key(0x7e);
break;
@@ -278,7 +298,7 @@ static void check_key_code(uint8_t *buf)
case 0x45:
write_key(0x1b); /* F12 */
write_key(0x5b);
- write_key(0x31);
+ write_key(0x32);
write_key(0x34);
write_key(0x7e);
break;
@@ -290,36 +310,34 @@ static void check_key_code(uint8_t *buf)
case 0x49:
write_key(0x1b); /* INS */
write_key(0x5b);
- write_key(0x31);
+ write_key(0x32);
write_key(0x7e);
break;
case 0x4a:
write_key(0x1b); /* HOME */
- write_key(0x5b);
- write_key(0x32);
- write_key(0x7e);
+ write_key(0x4f);
+ write_key(0x48);
break;
case 0x4b:
write_key(0x1b); /* PgUp */
write_key(0x5b);
- write_key(0x33);
+ write_key(0x35);
write_key(0x7e);
break;
case 0x4c:
write_key(0x1b); /* DEL */
write_key(0x5b);
- write_key(0x34);
+ write_key(0x33);
write_key(0x7e);
break;
case 0x4d:
write_key(0x1b); /* END */
- write_key(0x5b);
- write_key(0x35);
- write_key(0x7e);
+ write_key(0x4f);
+ write_key(0x46);
break;
case 0x4e:
@@ -443,11 +461,8 @@ unsigned char usb_key_available(void *dev)
unsigned char usb_read_keyb(void *vdev)
{
- if (!vdev)
- return false;
-
- while (usb_poll_key(vdev)) {
- /* loop for all pending keys */
- }
- return read_key();
+ if (usb_key_available(vdev))
+ return read_key();
+ else
+ return 0;
}
diff --git a/qemu/roms/SLOF/lib/libusb/usb-hub.c b/qemu/roms/SLOF/lib/libusb/usb-hub.c
index 7059cd019..bb8a30915 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-hub.c
+++ b/qemu/roms/SLOF/lib/libusb/usb-hub.c
@@ -175,7 +175,9 @@ unsigned int usb_hub_init(void *hubdev)
newdev = usb_devpool_get();
dprintf("usb-hub: allocated device %p\n", newdev);
newdev->hcidev = dev->hcidev;
- if (!setup_new_device(newdev, i))
+ if (usb_setup_new_device(newdev, i))
+ usb_slof_populate_new_device(newdev);
+ else
printf("usb-hub: unable to setup device on port %d\n", i);
}
}
diff --git a/qemu/roms/SLOF/lib/libusb/usb-ohci.c b/qemu/roms/SLOF/lib/libusb/usb-ohci.c
index 0e8400481..d06c754d1 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-ohci.c
+++ b/qemu/roms/SLOF/lib/libusb/usb-ohci.c
@@ -192,7 +192,9 @@ static void ohci_hub_check_ports(struct ohci_hcd *ohcd)
dev = usb_devpool_get();
dprintf("usb-ohci: Device reset, setting up %p\n", dev);
dev->hcidev = ohcd->hcidev;
- if (!setup_new_device(dev, i))
+ if (usb_setup_new_device(dev, i))
+ usb_slof_populate_new_device(dev);
+ else
printf("usb-ohci: unable to setup device on port %d\n", i);
}
if (port_status & RH_PS_PESC) {
@@ -252,7 +254,7 @@ static int ohci_alloc_pipe_pool(struct ohci_hcd *ohcd)
return false;
ohcd->pool_phys = opipe_phys = SLOF_dma_map_in(opipe, OHCI_PIPE_POOL_SIZE, true);
- dprintf("usb-ohci: %s opipe %x, opipe_phys %x size %d count %d\n",
+ dprintf("usb-ohci: %s opipe %p, opipe_phys %lx size %ld count %d\n",
__func__, opipe, opipe_phys, sizeof(*opipe), count);
/* Although an array, link them*/
for (i = 0, curr = opipe, prev = NULL; i < count; i++, curr++) {
@@ -446,7 +448,7 @@ again:
/* Interrupt is there, read from done_head pointer */
td_phys = (struct ohci_td *)(uint64_t) le32_to_cpu(hcca->done_head);
if (!td_phys) {
- dprintf("Again td_phys null %ld\n");
+ dprintf("Again td_phys null\n");
goto again;
}
hcca->done_head = 0;
@@ -553,7 +555,7 @@ static int ohci_send_ctrl(struct usb_pipe *pipe, struct usb_dev_req *req, void *
attr = EDA_FADDR(pipe->dev->addr) | EDA_MPS(pipe->mps) | EDA_SKIP;
ohci_fill_ed(ed, PTR_U32(td_phys), td_next, attr, 0);
ed->tailp = 0; /* HACK */
- dprintf("usb-ohci: %s - td_start %x td_end %x req %x\n", __func__,
+ dprintf("usb-ohci: %s - td_start %p td_end %lx req %lx\n", __func__,
td_phys, td_next, req_phys);
mb();
ed->attr &= cpu_to_le32(~EDA_SKIP);
@@ -642,7 +644,7 @@ static int ohci_transfer_bulk(struct usb_pipe *pipe, void *td_ptr,
td = tds = (struct ohci_td *) td_ptr;
td_phys = (long)td_phys_ptr;
- dprintf("usb-ohci: %s pipe %p data_phys %p len %d DIR_IN %d td %p td_phys %p\n",
+ dprintf("usb-ohci: %s pipe %p data_phys %p len %d DIR_IN %d td %p td_phys %lx\n",
__func__, pipe, data_phys, datalen, dir, td, td_phys);
if (!tds) {
@@ -672,7 +674,7 @@ static int ohci_transfer_bulk(struct usb_pipe *pipe, void *td_ptr,
| EDA_SKIP | pipe->dev->speed | EDA_EP(pipe->epno);
td_next = ohci_get_td_phys(td, tds, td_phys);
ohci_fill_ed(ed, td_phys, td_next, attr, 0);
- dprintf("usb-ohci: %s - tds %p td %p\n", __func__, td_phys, td_next);
+ dprintf("usb-ohci: %s - tds %lx td %lx\n", __func__, td_phys, td_next);
mb();
ed->attr &= cpu_to_le32(~EDA_SKIP);
@@ -778,7 +780,7 @@ static int ohci_get_pipe_intr(struct usb_pipe *pipe, struct ohci_hcd *ohcd,
td->attr = cpu_to_le32(TDA_DP_IN | TDA_ROUNDING | TDA_CC);
td->next_td = cpu_to_le32(td_next);
td->be = cpu_to_le32(PTR_U32(ptr) + mps - 1);
- dprintf("td %x td++ %x ptr %x be %x\n",
+ dprintf("td %p td++ %x ptr %p be %x\n",
td, le32_to_cpu(td->next_td),
ptr, (PTR_U32(ptr) + mps - 1));
}
diff --git a/qemu/roms/SLOF/lib/libusb/usb-slof.c b/qemu/roms/SLOF/lib/libusb/usb-slof.c
index de841f0fb..ff070559a 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-slof.c
+++ b/qemu/roms/SLOF/lib/libusb/usb-slof.c
@@ -26,7 +26,7 @@
#define dprintf(_x ...)
#endif
-int slof_usb_handle(struct usb_dev *dev)
+static int slof_usb_handle(struct usb_dev *dev)
{
struct slof_usb_dev sdev;
sdev.port = dev->port;
@@ -59,3 +59,35 @@ int slof_usb_handle(struct usb_dev *dev)
}
return true;
}
+
+void usb_slof_populate_new_device(struct usb_dev *dev)
+{
+ switch (usb_get_intf_class(dev->class)) {
+ case 3:
+ dprintf("HID found %06X\n", dev->class);
+ slof_usb_handle(dev);
+ break;
+ case 8:
+ dprintf("MASS STORAGE found %d %06X\n", dev->intf_num,
+ dev->class);
+ if ((dev->class & 0x50) != 0x50) { /* Bulk-only supported */
+ printf("Device not supported %06X\n", dev->class);
+ break;
+ }
+
+ if (!usb_msc_reset(dev)) {
+ printf("%s: bulk reset failed\n", __func__);
+ break;
+ }
+ SLOF_msleep(100);
+ slof_usb_handle(dev);
+ break;
+ case 9:
+ dprintf("HUB found\n");
+ slof_usb_handle(dev);
+ break;
+ default:
+ printf("USB Interface class -%x- Not supported\n", dev->class);
+ break;
+ }
+}
diff --git a/qemu/roms/SLOF/lib/libusb/usb-xhci.c b/qemu/roms/SLOF/lib/libusb/usb-xhci.c
index 0c3d6e47f..858cd12f9 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-xhci.c
+++ b/qemu/roms/SLOF/lib/libusb/usb-xhci.c
@@ -225,11 +225,11 @@ static void xhci_handle_cmd_completion(struct xhci_hcd *xhcd,
xhcd->slot_id = 0;
}
-static struct xhci_event_trb *xhci_poll_event(struct xhci_hcd *xhcd,
- uint32_t event_type)
+static uint64_t xhci_poll_event(struct xhci_hcd *xhcd,
+ uint32_t event_type)
{
struct xhci_event_trb *event;
- uint64_t val;
+ uint64_t val, retval = 0;
uint32_t flags, time;
int index;
@@ -244,7 +244,7 @@ static struct xhci_event_trb *xhci_poll_event(struct xhci_hcd *xhcd,
mb();
flags = le32_to_cpu(event->flags);
if (time < SLOF_GetTimer())
- return NULL;
+ return 0;
}
mb();
@@ -273,6 +273,7 @@ static struct xhci_event_trb *xhci_poll_event(struct xhci_hcd *xhcd,
break;
}
xhcd->ering.deq = (uint64_t) (event + 1);
+ retval = le64_to_cpu(event->addr);
event->addr = 0;
event->status = 0;
@@ -289,7 +290,11 @@ static struct xhci_event_trb *xhci_poll_event(struct xhci_hcd *xhcd,
dprintf("Update start %x deq %x index %d\n",
xhcd->ering.trbs_dma, val, index/sizeof(*event));
write_reg64(&xhcd->run_regs->irs[0].erdp, val);
- return event;
+
+ if (retval == 0)
+ return (uint64_t)event;
+ else
+ return retval;
}
static void xhci_send_cmd(struct xhci_hcd *xhcd, uint32_t field1,
@@ -388,10 +393,12 @@ static void xhci_init_seg(struct xhci_seg *seg, uint32_t size, uint32_t type)
seg->deq = (uint64_t)seg->trbs;
memset((void *)seg->trbs, 0, size);
- link =(struct xhci_link_trb *) (seg->trbs + seg->size - 1);
- link->addr = cpu_to_le64(seg->trbs_dma);
- link->field2 = 0;
- link->field3 = cpu_to_le32(0x1 | TRB_CMD_TYPE(TRB_LINK));
+ if (type != TYPE_EVENT) {
+ link =(struct xhci_link_trb *) (seg->trbs + seg->size - 1);
+ link->addr = cpu_to_le64(seg->trbs_dma);
+ link->field2 = 0;
+ link->field3 = cpu_to_le32(0x1 | TRB_CMD_TYPE(TRB_LINK));
+ }
return;
}
@@ -601,8 +608,10 @@ static bool xhci_alloc_dev(struct xhci_hcd *xhcd, uint32_t slot_id, uint32_t por
dev->port = newport;
dev->priv = xdev;
xdev->dev = dev;
- if (setup_new_device(dev, newport))
+ if (usb_setup_new_device(dev, newport)) {
+ usb_slof_populate_new_device(dev);
return true;
+ }
xhci_free_ctx(&xdev->out_ctx, XHCI_CTX_BUF_SIZE);
fail_control_seg:
@@ -616,6 +625,7 @@ static void xhci_free_dev(struct xhci_dev *xdev)
{
xhci_free_seg(&xdev->bulk_in, XHCI_DATA_TRBS_SIZE);
xhci_free_seg(&xdev->bulk_out, XHCI_DATA_TRBS_SIZE);
+ xhci_free_seg(&xdev->intr, XHCI_INTR_TRBS_SIZE);
xhci_free_seg(&xdev->control, XHCI_CONTROL_TRBS_SIZE);
xhci_free_ctx(&xdev->in_ctx, XHCI_CTX_BUF_SIZE);
xhci_free_ctx(&xdev->out_ctx, XHCI_CTX_BUF_SIZE);
@@ -637,7 +647,25 @@ static bool usb3_dev_init(struct xhci_hcd *xhcd, uint32_t port)
return true;
}
-static int xhci_hub_check_ports(struct xhci_hcd *xhcd)
+static int xhci_device_present(uint32_t portsc, uint32_t usb_ver)
+{
+ if (usb_ver == USB_XHCI) {
+ /* Device present and enabled state */
+ if ((portsc & PORTSC_CCS) &&
+ (portsc & PORTSC_PP) &&
+ (portsc & PORTSC_PED)) {
+ return true;
+ }
+ } else if (usb_ver == USB_EHCI) {
+ /* Device present and in disabled state */
+ if ((portsc & PORTSC_CCS) && (portsc & PORTSC_CSC))
+ return true;
+ }
+ return false;
+}
+
+static int xhci_port_scan(struct xhci_hcd *xhcd,
+ uint32_t usb_ver)
{
uint32_t num_ports, portsc, i;
struct xhci_op_regs *op;
@@ -645,7 +673,7 @@ static int xhci_hub_check_ports(struct xhci_hcd *xhcd)
struct xhci_cap_regs *cap;
uint32_t xecp_off;
uint32_t *xecp_addr, *base;
- uint32_t port_off = 1, port_cnt;
+ uint32_t port_off = 0, port_cnt;
dprintf("enter\n");
@@ -658,14 +686,14 @@ static int xhci_hub_check_ports(struct xhci_hcd *xhcd)
base = (uint32_t *)cap;
while (xecp_off > 0) {
xecp_addr = base + xecp_off;
- dprintf(stderr, "xecp_off %d %p %p \n", xecp_off, base, xecp_addr);
+ dprintf("xecp_off %d %p %p \n", xecp_off, base, xecp_addr);
if (XHCI_XECP_CAP_ID(read_reg32(xecp_addr)) == XHCI_XECP_CAP_SP &&
- XHCI_XECP_CAP_SP_MJ(read_reg32(xecp_addr)) == 3 &&
+ XHCI_XECP_CAP_SP_MJ(read_reg32(xecp_addr)) == usb_ver &&
XHCI_XECP_CAP_SP_MN(read_reg32(xecp_addr)) == 0) {
port_cnt = XHCI_XECP_CAP_SP_PC(read_reg32(xecp_addr + 2));
port_off = XHCI_XECP_CAP_SP_PO(read_reg32(xecp_addr + 2));
- dprintf(stderr, "PortCount %d Portoffset %d\n", port_cnt, port_off);
+ dprintf("PortCount %d Portoffset %d\n", port_cnt, port_off);
}
base = xecp_addr;
xecp_off = XHCI_XECP_NEXT_PTR(read_reg32(xecp_addr));
@@ -675,10 +703,8 @@ static int xhci_hub_check_ports(struct xhci_hcd *xhcd)
for (i = (port_off - 1); i < (port_off + port_cnt - 1); i++) {
prs = &op->prs[i];
portsc = read_reg32(&prs->portsc);
- if ((portsc & PORTSC_CCS) &&
- (portsc & PORTSC_PP) &&
- (portsc & PORTSC_PED)) {
- /* Device present and enabled */
+ if (xhci_device_present(portsc, usb_ver)) {
+ /* Device present */
dprintf("Device present on port %d\n", i);
/* Reset the port */
portsc = read_reg32(&prs->portsc);
@@ -701,6 +727,11 @@ static int xhci_hub_check_ports(struct xhci_hcd *xhcd)
return true;
}
+static int xhci_hub_check_ports(struct xhci_hcd *xhcd)
+{
+ return xhci_port_scan(xhcd, USB_XHCI) | xhci_port_scan(xhcd, USB_EHCI);
+}
+
static bool xhci_hcd_init(struct xhci_hcd *xhcd)
{
struct xhci_op_regs *op;
@@ -868,6 +899,18 @@ static bool xhci_hcd_exit(struct xhci_hcd *xhcd)
SLOF_dma_map_out(xhcd->dcbaap_dma, (void *)xhcd->dcbaap, XHCI_DCBAAP_MAX_SIZE);
SLOF_dma_free((void *)xhcd->dcbaap, XHCI_DCBAAP_MAX_SIZE);
}
+
+ /*
+ * QEMU implementation of XHCI doesn't implement halt
+ * properly. It basically says that it's halted immediately
+ * but doesn't actually terminate ongoing activities and
+ * DMAs. This needs to be fixed in QEMU.
+ *
+ * For now, wait for 50ms grace time till qemu stops using
+ * this device.
+ */
+ SLOF_msleep(50);
+
return true;
}
@@ -1079,18 +1122,17 @@ static inline struct xhci_seg *xhci_pipe_get_seg(struct usb_pipe *pipe)
static inline void *xhci_get_trb(struct xhci_seg *seg)
{
uint64_t val, enq;
- uint32_t size;
+ int index;
struct xhci_link_trb *link;
enq = val = seg->enq;
val = val + XHCI_TRB_SIZE;
- size = seg->size * XHCI_TRB_SIZE;
- /* TRBs being a cyclic buffer, here we cycle back to beginning. */
- if ((val % size) == 0) {
+ index = (enq - (uint64_t)seg->trbs) / XHCI_TRB_SIZE + 1;
+ dprintf("%s: enq %llx, val %llx %x\n", __func__, enq, val, index);
+ /* TRBs being a cyclic buffer, here we cycle back to beginning. */
+ if (index == (seg->size - 1)) {
+ dprintf("%s: rounding \n", __func__);
seg->enq = (uint64_t)seg->trbs;
- enq = seg->enq;
- seg->enq = seg->enq + XHCI_TRB_SIZE;
- val = 0;
seg->cycle_state ^= seg->cycle_state;
link = (struct xhci_link_trb *) (seg->trbs + seg->size - 1);
link->addr = cpu_to_le64(seg->trbs_dma);
@@ -1105,6 +1147,12 @@ static inline void *xhci_get_trb(struct xhci_seg *seg)
return (void *)enq;
}
+static uint64_t xhci_get_trb_phys(struct xhci_seg *seg, uint64_t trb)
+{
+ return seg->trbs_dma + (trb - (uint64_t)seg->trbs);
+}
+
+static int usb_kb = false;
static int xhci_transfer_bulk(struct usb_pipe *pipe, void *td, void *td_phys,
void *data, int datalen)
{
@@ -1114,7 +1162,8 @@ static int xhci_transfer_bulk(struct usb_pipe *pipe, void *td, void *td_phys,
struct xhci_transfer_trb *trb;
struct xhci_db_regs *dbr;
int ret = true;
- uint32_t slot_id, epno;
+ uint32_t slot_id, epno, time;
+ uint64_t trb_phys, event_phys;
if (!pipe->dev || !pipe->dev->hcidev) {
dprintf(" NULL pointer\n");
@@ -1139,13 +1188,26 @@ static int xhci_transfer_bulk(struct usb_pipe *pipe, void *td, void *td_phys,
}
trb = xhci_get_trb(seg);
+ trb_phys = xhci_get_trb_phys(seg, (uint64_t)trb);
fill_normal_trb(trb, (void *)data, datalen);
epno = xhci_get_epno(pipe);
write_reg32(&dbr->db[slot_id], epno);
- if (!xhci_poll_event(xhcd, 0)) {
- dprintf("Bulk failed\n");
- ret = false;
+
+ time = SLOF_GetTimer() + USB_TIMEOUT;
+ while (1) {
+ event_phys = xhci_poll_event(xhcd, 0);
+ if (event_phys == trb_phys) {
+ break;
+ } else if (event_phys == 0) { /* polling timed out */
+ ret = false;
+ break;
+ } else
+ usb_kb = true;
+
+ /* transfer timed out */
+ if (time < SLOF_GetTimer())
+ return false;
}
trb->addr = 0;
trb->len = 0;
@@ -1214,7 +1276,8 @@ static void xhci_init_bulk_ep(struct usb_dev *dev, struct usb_pipe *pipe)
if (!seg->trbs) {
if (!xhci_alloc_seg(seg, XHCI_DATA_TRBS_SIZE, TYPE_BULK)) {
- dprintf("Failed allocating seg\n");
+ printf("usb-xhci: allocation failed for bulk endpoint\n");
+ return;
}
} else {
xhci_init_seg(seg, XHCI_DATA_TRBS_SIZE, TYPE_BULK);
@@ -1235,6 +1298,61 @@ static void xhci_init_bulk_ep(struct usb_dev *dev, struct usb_pipe *pipe)
xpipe->seg = seg;
}
+static int xhci_get_pipe_intr(struct usb_pipe *pipe,
+ struct xhci_hcd *xhcd,
+ char *buf, size_t len)
+{
+ struct xhci_dev *xdev;
+ struct xhci_seg *seg;
+ struct xhci_pipe *xpipe;
+ struct xhci_control_ctx *ctrl;
+ struct xhci_ep_ctx *ep;
+ uint32_t x_epno, val, type;
+ struct usb_dev *dev;
+ struct xhci_transfer_trb *trb;
+
+ dev = pipe->dev;
+ if (dev->class != DEV_HID_KEYB)
+ return false;
+
+ xdev = dev->priv;
+ pipe->mps = 8;
+ seg = xhci_pipe_get_seg(pipe);
+ xpipe = xhci_pipe_get_xpipe(pipe);
+ type = EP_INT_IN;
+ seg = &xdev->intr;
+
+ if (!seg->trbs) {
+ if (!xhci_alloc_seg(seg, XHCI_INTR_TRBS_SIZE, TYPE_BULK)) {
+ printf("usb-xhci: allocation failed for interrupt endpoint\n");
+ return false;
+ }
+ } else {
+ xhci_init_seg(seg, XHCI_EVENT_TRBS_SIZE, TYPE_BULK);
+ }
+
+ xpipe->buf = buf;
+ xpipe->buf_phys = SLOF_dma_map_in(buf, len, false);
+ xpipe->buflen = len;
+
+ ctrl = xhci_get_control_ctx(&xdev->in_ctx);
+ x_epno = xhci_get_epno(pipe);
+ ep = xhci_get_ep_ctx(&xdev->in_ctx, xdev->ctx_size, x_epno);
+ val = EP_TYPE(type) | MAX_BURST(0) | ERROR_COUNT(3) |
+ MAX_PACKET_SIZE(pipe->mps);
+ ep->field2 = cpu_to_le32(val);
+ ep->deq_addr = cpu_to_le64(seg->trbs_dma | seg->cycle_state);
+ ep->field4 = cpu_to_le32(8);
+ ctrl->a_flags = cpu_to_le32(BIT(x_epno) | 0x1);
+ ctrl->d_flags = 0;
+ xhci_configure_ep(xhcd, xdev->slot_id, xdev->in_ctx.dma_addr);
+ xpipe->seg = seg;
+
+ trb = xhci_get_trb(seg);
+ fill_normal_trb(trb, (void *)xpipe->buf_phys, pipe->mps);
+ return true;
+}
+
static struct usb_pipe* xhci_get_pipe(struct usb_dev *dev, struct usb_ep_descr *ep, char *buf, size_t len)
{
struct xhci_hcd *xhcd;
@@ -1264,6 +1382,12 @@ static struct usb_pipe* xhci_get_pipe(struct usb_dev *dev, struct usb_ep_descr *
new->dir = (ep->bEndpointAddress & 0x80) >> 7;
new->epno = ep->bEndpointAddress & 0x0f;
+ if (new->type == USB_EP_TYPE_INTR) {
+ if (!xhci_get_pipe_intr(new, xhcd, buf, len)) {
+ printf("usb-xhci: %s alloc_intr failed %p\n",
+ __func__, new);
+ }
+ }
if (new->type == USB_EP_TYPE_BULK)
xhci_init_bulk_ep(dev, new);
@@ -1284,6 +1408,10 @@ static void xhci_put_pipe(struct usb_pipe *pipe)
if (pipe->type == USB_EP_TYPE_BULK) {
xpipe = xhci_pipe_get_xpipe(pipe);
xpipe->seg = NULL;
+ } else if (pipe->type == USB_EP_TYPE_INTR) {
+ xpipe = xhci_pipe_get_xpipe(pipe);
+ SLOF_dma_map_out(xpipe->buf_phys, xpipe->buf, xpipe->buflen);
+ xpipe->seg = NULL;
}
if (xhcd->end)
xhcd->end->next = pipe;
@@ -1298,6 +1426,51 @@ static void xhci_put_pipe(struct usb_pipe *pipe)
dprintf("usb-xhci: %s exit\n", __func__);
}
+static int xhci_poll_intr(struct usb_pipe *pipe, uint8_t *data)
+{
+ struct xhci_transfer_trb *trb;
+ struct xhci_seg *seg;
+ struct xhci_pipe *xpipe;
+ struct xhci_dev *xdev;
+ struct xhci_hcd *xhcd;
+ struct xhci_db_regs *dbr;
+ uint32_t x_epno;
+ uint8_t *buf, ret = 1;
+
+ if (!pipe || !pipe->dev || !pipe->dev->hcidev)
+ return 0;
+ xdev = pipe->dev->priv;
+ xhcd = (struct xhci_hcd *)pipe->dev->hcidev->priv;
+ x_epno = xhci_get_epno(pipe);
+ seg = xhci_pipe_get_seg(pipe);
+ xpipe = xhci_pipe_get_xpipe(pipe);
+
+ if (usb_kb == true) {
+ /* This event was consumed by bulk transfer */
+ usb_kb = false;
+ goto skip_poll;
+ }
+ buf = xpipe->buf;
+ memset(buf, 0, 8);
+
+ mb();
+ /* Ring the doorbell - x_epno */
+ dbr = xhcd->db_regs;
+ write_reg32(&dbr->db[xdev->slot_id], x_epno);
+ if (!xhci_poll_event(xhcd, 0)) {
+ printf("poll intr failed\n");
+ return 0;
+ }
+ mb();
+ memcpy(data, buf, 8);
+
+skip_poll:
+ trb = xhci_get_trb(seg);
+ fill_normal_trb(trb, (void *)xpipe->buf_phys, pipe->mps);
+ mb();
+ return ret;
+}
+
struct usb_hcd_ops xhci_ops = {
.name = "xhci-hcd",
.init = xhci_init,
@@ -1305,6 +1478,7 @@ struct usb_hcd_ops xhci_ops = {
.usb_type = USB_XHCI,
.get_pipe = xhci_get_pipe,
.put_pipe = xhci_put_pipe,
+ .poll_intr = xhci_poll_intr,
.send_ctrl = xhci_send_ctrl,
.transfer_bulk = xhci_transfer_bulk,
.next = NULL,
diff --git a/qemu/roms/SLOF/lib/libusb/usb-xhci.h b/qemu/roms/SLOF/lib/libusb/usb-xhci.h
index faeb07ead..3fc7e7889 100644
--- a/qemu/roms/SLOF/lib/libusb/usb-xhci.h
+++ b/qemu/roms/SLOF/lib/libusb/usb-xhci.h
@@ -266,6 +266,7 @@ struct xhci_seg {
#define XHCI_EVENT_TRBS_SIZE 4096
#define XHCI_CONTROL_TRBS_SIZE 4096
#define XHCI_DATA_TRBS_SIZE 4096
+#define XHCI_INTR_TRBS_SIZE 4096
#define XHCI_ERST_NUM_SEGS 1
#define XHCI_MAX_BULK_SIZE 0xF000
@@ -349,6 +350,7 @@ struct xhci_dev {
struct xhci_ctx in_ctx;
struct xhci_ctx out_ctx;
struct xhci_seg control;
+ struct xhci_seg intr;
struct xhci_seg bulk_in;
struct xhci_seg bulk_out;
uint32_t ctx_size;
@@ -381,6 +383,9 @@ struct xhci_hcd {
struct xhci_pipe {
struct usb_pipe pipe;
struct xhci_seg *seg;
+ void *buf;
+ long buf_phys;
+ uint32_t buflen;
};
#endif /* USB_XHCI_H */