root / hw / usb-uhci.c @ df182043
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| 1 |
/*
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|---|---|
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* USB UHCI controller emulation
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*
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* Copyright (c) 2005 Fabrice Bellard
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*
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* Copyright (c) 2008 Max Krasnyansky
|
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* Magor rewrite of the UHCI data structures parser and frame processor
|
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* Support for fully async operation and multiple outstanding transactions
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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| 12 |
* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw.h" |
| 29 |
#include "usb.h" |
| 30 |
#include "pci.h" |
| 31 |
#include "qemu-timer.h" |
| 32 |
#include "usb-uhci.h" |
| 33 |
#include "iov.h" |
| 34 |
#include "dma.h" |
| 35 |
|
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//#define DEBUG
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| 37 |
//#define DEBUG_DUMP_DATA
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|
| 39 |
#define UHCI_CMD_FGR (1 << 4) |
| 40 |
#define UHCI_CMD_EGSM (1 << 3) |
| 41 |
#define UHCI_CMD_GRESET (1 << 2) |
| 42 |
#define UHCI_CMD_HCRESET (1 << 1) |
| 43 |
#define UHCI_CMD_RS (1 << 0) |
| 44 |
|
| 45 |
#define UHCI_STS_HCHALTED (1 << 5) |
| 46 |
#define UHCI_STS_HCPERR (1 << 4) |
| 47 |
#define UHCI_STS_HSERR (1 << 3) |
| 48 |
#define UHCI_STS_RD (1 << 2) |
| 49 |
#define UHCI_STS_USBERR (1 << 1) |
| 50 |
#define UHCI_STS_USBINT (1 << 0) |
| 51 |
|
| 52 |
#define TD_CTRL_SPD (1 << 29) |
| 53 |
#define TD_CTRL_ERROR_SHIFT 27 |
| 54 |
#define TD_CTRL_IOS (1 << 25) |
| 55 |
#define TD_CTRL_IOC (1 << 24) |
| 56 |
#define TD_CTRL_ACTIVE (1 << 23) |
| 57 |
#define TD_CTRL_STALL (1 << 22) |
| 58 |
#define TD_CTRL_BABBLE (1 << 20) |
| 59 |
#define TD_CTRL_NAK (1 << 19) |
| 60 |
#define TD_CTRL_TIMEOUT (1 << 18) |
| 61 |
|
| 62 |
#define UHCI_PORT_SUSPEND (1 << 12) |
| 63 |
#define UHCI_PORT_RESET (1 << 9) |
| 64 |
#define UHCI_PORT_LSDA (1 << 8) |
| 65 |
#define UHCI_PORT_RD (1 << 6) |
| 66 |
#define UHCI_PORT_ENC (1 << 3) |
| 67 |
#define UHCI_PORT_EN (1 << 2) |
| 68 |
#define UHCI_PORT_CSC (1 << 1) |
| 69 |
#define UHCI_PORT_CCS (1 << 0) |
| 70 |
|
| 71 |
#define UHCI_PORT_READ_ONLY (0x1bb) |
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#define UHCI_PORT_WRITE_CLEAR (UHCI_PORT_CSC | UHCI_PORT_ENC)
|
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|
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#define FRAME_TIMER_FREQ 1000 |
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|
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#define FRAME_MAX_LOOPS 100 |
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|
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#define NB_PORTS 2 |
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|
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#ifdef DEBUG
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#define DPRINTF printf
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|
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static const char *pid2str(int pid) |
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{
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switch (pid) {
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case USB_TOKEN_SETUP: return "SETUP"; |
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case USB_TOKEN_IN: return "IN"; |
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case USB_TOKEN_OUT: return "OUT"; |
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} |
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return "?"; |
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} |
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|
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#else
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#define DPRINTF(...)
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#endif
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|
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#ifdef DEBUG_DUMP_DATA
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static void dump_data(USBPacket *p, int ret) |
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{
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iov_hexdump(p->iov.iov, p->iov.niov, stderr, "uhci", ret);
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} |
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#else
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static void dump_data(USBPacket *p, int ret) {} |
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#endif
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|
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typedef struct UHCIState UHCIState; |
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|
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/*
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* Pending async transaction.
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* 'packet' must be the first field because completion
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* handler does "(UHCIAsync *) pkt" cast.
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*/
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typedef struct UHCIAsync { |
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USBPacket packet; |
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QEMUSGList sgl; |
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UHCIState *uhci; |
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QTAILQ_ENTRY(UHCIAsync) next; |
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uint32_t td; |
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uint32_t token; |
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int8_t valid; |
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uint8_t isoc; |
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uint8_t done; |
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} UHCIAsync; |
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|
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typedef struct UHCIPort { |
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USBPort port; |
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uint16_t ctrl; |
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} UHCIPort; |
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|
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struct UHCIState {
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PCIDevice dev; |
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MemoryRegion io_bar; |
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USBBus bus; /* Note unused when we're a companion controller */
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uint16_t cmd; /* cmd register */
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uint16_t status; |
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uint16_t intr; /* interrupt enable register */
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uint16_t frnum; /* frame number */
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uint32_t fl_base_addr; /* frame list base address */
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uint8_t sof_timing; |
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uint8_t status2; /* bit 0 and 1 are used to generate UHCI_STS_USBINT */
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int64_t expire_time; |
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QEMUTimer *frame_timer; |
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UHCIPort ports[NB_PORTS]; |
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|
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/* Interrupts that should be raised at the end of the current frame. */
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uint32_t pending_int_mask; |
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|
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/* Active packets */
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QTAILQ_HEAD(,UHCIAsync) async_pending; |
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uint8_t num_ports_vmstate; |
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|
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/* Properties */
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char *masterbus;
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uint32_t firstport; |
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}; |
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|
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typedef struct UHCI_TD { |
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uint32_t link; |
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uint32_t ctrl; /* see TD_CTRL_xxx */
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uint32_t token; |
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uint32_t buffer; |
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} UHCI_TD; |
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|
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typedef struct UHCI_QH { |
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uint32_t link; |
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uint32_t el_link; |
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} UHCI_QH; |
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|
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static UHCIAsync *uhci_async_alloc(UHCIState *s)
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{
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UHCIAsync *async = g_malloc(sizeof(UHCIAsync));
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|
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memset(&async->packet, 0, sizeof(async->packet)); |
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async->uhci = s; |
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async->valid = 0;
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async->td = 0;
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async->token = 0;
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async->done = 0;
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async->isoc = 0;
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usb_packet_init(&async->packet); |
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pci_dma_sglist_init(&async->sgl, &s->dev, 1);
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return async;
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} |
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|
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static void uhci_async_free(UHCIState *s, UHCIAsync *async) |
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{
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usb_packet_cleanup(&async->packet); |
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qemu_sglist_destroy(&async->sgl); |
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g_free(async); |
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} |
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|
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static void uhci_async_link(UHCIState *s, UHCIAsync *async) |
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{
|
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QTAILQ_INSERT_HEAD(&s->async_pending, async, next); |
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} |
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|
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static void uhci_async_unlink(UHCIState *s, UHCIAsync *async) |
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{
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QTAILQ_REMOVE(&s->async_pending, async, next); |
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} |
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|
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static void uhci_async_cancel(UHCIState *s, UHCIAsync *async) |
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{
|
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DPRINTF("uhci: cancel td 0x%x token 0x%x done %u\n",
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async->td, async->token, async->done); |
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|
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if (!async->done)
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usb_cancel_packet(&async->packet); |
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uhci_async_free(s, async); |
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} |
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|
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/*
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* Mark all outstanding async packets as invalid.
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* This is used for canceling them when TDs are removed by the HCD.
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*/
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static UHCIAsync *uhci_async_validate_begin(UHCIState *s)
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{
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UHCIAsync *async; |
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|
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QTAILQ_FOREACH(async, &s->async_pending, next) {
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async->valid--; |
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} |
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return NULL; |
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} |
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|
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/*
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* Cancel async packets that are no longer valid
|
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*/
|
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static void uhci_async_validate_end(UHCIState *s) |
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{
|
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UHCIAsync *curr, *n; |
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|
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QTAILQ_FOREACH_SAFE(curr, &s->async_pending, next, n) {
|
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if (curr->valid > 0) { |
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continue;
|
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} |
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uhci_async_unlink(s, curr); |
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uhci_async_cancel(s, curr); |
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} |
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} |
| 242 |
|
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static void uhci_async_cancel_device(UHCIState *s, USBDevice *dev) |
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{
|
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UHCIAsync *curr, *n; |
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|
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QTAILQ_FOREACH_SAFE(curr, &s->async_pending, next, n) {
|
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if (curr->packet.owner != dev) {
|
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continue;
|
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} |
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uhci_async_unlink(s, curr); |
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uhci_async_cancel(s, curr); |
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} |
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} |
| 255 |
|
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static void uhci_async_cancel_all(UHCIState *s) |
| 257 |
{
|
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UHCIAsync *curr, *n; |
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|
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QTAILQ_FOREACH_SAFE(curr, &s->async_pending, next, n) {
|
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uhci_async_unlink(s, curr); |
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uhci_async_cancel(s, curr); |
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} |
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} |
| 265 |
|
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static UHCIAsync *uhci_async_find_td(UHCIState *s, uint32_t addr, uint32_t token)
|
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{
|
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UHCIAsync *async; |
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UHCIAsync *match = NULL;
|
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int count = 0; |
| 271 |
|
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/*
|
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* We're looking for the best match here. ie both td addr and token.
|
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* Otherwise we return last good match. ie just token.
|
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* It's ok to match just token because it identifies the transaction
|
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* rather well, token includes: device addr, endpoint, size, etc.
|
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*
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* Also since we queue async transactions in reverse order by returning
|
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* last good match we restores the order.
|
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*
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* It's expected that we wont have a ton of outstanding transactions.
|
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* If we ever do we'd want to optimize this algorithm.
|
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*/
|
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|
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QTAILQ_FOREACH(async, &s->async_pending, next) {
|
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if (async->token == token) {
|
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/* Good match */
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match = async; |
| 289 |
|
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if (async->td == addr) {
|
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/* Best match */
|
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break;
|
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} |
| 294 |
} |
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count++; |
| 296 |
} |
| 297 |
|
| 298 |
if (count > 64) |
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fprintf(stderr, "uhci: warning lots of async transactions\n");
|
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|
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return match;
|
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} |
| 303 |
|
| 304 |
static void uhci_update_irq(UHCIState *s) |
| 305 |
{
|
| 306 |
int level;
|
| 307 |
if (((s->status2 & 1) && (s->intr & (1 << 2))) || |
| 308 |
((s->status2 & 2) && (s->intr & (1 << 3))) || |
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((s->status & UHCI_STS_USBERR) && (s->intr & (1 << 0))) || |
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((s->status & UHCI_STS_RD) && (s->intr & (1 << 1))) || |
| 311 |
(s->status & UHCI_STS_HSERR) || |
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(s->status & UHCI_STS_HCPERR)) {
|
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level = 1;
|
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} else {
|
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level = 0;
|
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} |
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qemu_set_irq(s->dev.irq[3], level);
|
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} |
| 319 |
|
| 320 |
static void uhci_reset(void *opaque) |
| 321 |
{
|
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UHCIState *s = opaque; |
| 323 |
uint8_t *pci_conf; |
| 324 |
int i;
|
| 325 |
UHCIPort *port; |
| 326 |
|
| 327 |
DPRINTF("uhci: full reset\n");
|
| 328 |
|
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pci_conf = s->dev.config; |
| 330 |
|
| 331 |
pci_conf[0x6a] = 0x01; /* usb clock */ |
| 332 |
pci_conf[0x6b] = 0x00; |
| 333 |
s->cmd = 0;
|
| 334 |
s->status = 0;
|
| 335 |
s->status2 = 0;
|
| 336 |
s->intr = 0;
|
| 337 |
s->fl_base_addr = 0;
|
| 338 |
s->sof_timing = 64;
|
| 339 |
|
| 340 |
for(i = 0; i < NB_PORTS; i++) { |
| 341 |
port = &s->ports[i]; |
| 342 |
port->ctrl = 0x0080;
|
| 343 |
if (port->port.dev && port->port.dev->attached) {
|
| 344 |
usb_reset(&port->port); |
| 345 |
} |
| 346 |
} |
| 347 |
|
| 348 |
uhci_async_cancel_all(s); |
| 349 |
} |
| 350 |
|
| 351 |
static void uhci_pre_save(void *opaque) |
| 352 |
{
|
| 353 |
UHCIState *s = opaque; |
| 354 |
|
| 355 |
uhci_async_cancel_all(s); |
| 356 |
} |
| 357 |
|
| 358 |
static const VMStateDescription vmstate_uhci_port = { |
| 359 |
.name = "uhci port",
|
| 360 |
.version_id = 1,
|
| 361 |
.minimum_version_id = 1,
|
| 362 |
.minimum_version_id_old = 1,
|
| 363 |
.fields = (VMStateField []) {
|
| 364 |
VMSTATE_UINT16(ctrl, UHCIPort), |
| 365 |
VMSTATE_END_OF_LIST() |
| 366 |
} |
| 367 |
}; |
| 368 |
|
| 369 |
static const VMStateDescription vmstate_uhci = { |
| 370 |
.name = "uhci",
|
| 371 |
.version_id = 2,
|
| 372 |
.minimum_version_id = 1,
|
| 373 |
.minimum_version_id_old = 1,
|
| 374 |
.pre_save = uhci_pre_save, |
| 375 |
.fields = (VMStateField []) {
|
| 376 |
VMSTATE_PCI_DEVICE(dev, UHCIState), |
| 377 |
VMSTATE_UINT8_EQUAL(num_ports_vmstate, UHCIState), |
| 378 |
VMSTATE_STRUCT_ARRAY(ports, UHCIState, NB_PORTS, 1,
|
| 379 |
vmstate_uhci_port, UHCIPort), |
| 380 |
VMSTATE_UINT16(cmd, UHCIState), |
| 381 |
VMSTATE_UINT16(status, UHCIState), |
| 382 |
VMSTATE_UINT16(intr, UHCIState), |
| 383 |
VMSTATE_UINT16(frnum, UHCIState), |
| 384 |
VMSTATE_UINT32(fl_base_addr, UHCIState), |
| 385 |
VMSTATE_UINT8(sof_timing, UHCIState), |
| 386 |
VMSTATE_UINT8(status2, UHCIState), |
| 387 |
VMSTATE_TIMER(frame_timer, UHCIState), |
| 388 |
VMSTATE_INT64_V(expire_time, UHCIState, 2),
|
| 389 |
VMSTATE_END_OF_LIST() |
| 390 |
} |
| 391 |
}; |
| 392 |
|
| 393 |
static void uhci_ioport_writeb(void *opaque, uint32_t addr, uint32_t val) |
| 394 |
{
|
| 395 |
UHCIState *s = opaque; |
| 396 |
|
| 397 |
addr &= 0x1f;
|
| 398 |
switch(addr) {
|
| 399 |
case 0x0c: |
| 400 |
s->sof_timing = val; |
| 401 |
break;
|
| 402 |
} |
| 403 |
} |
| 404 |
|
| 405 |
static uint32_t uhci_ioport_readb(void *opaque, uint32_t addr) |
| 406 |
{
|
| 407 |
UHCIState *s = opaque; |
| 408 |
uint32_t val; |
| 409 |
|
| 410 |
addr &= 0x1f;
|
| 411 |
switch(addr) {
|
| 412 |
case 0x0c: |
| 413 |
val = s->sof_timing; |
| 414 |
break;
|
| 415 |
default:
|
| 416 |
val = 0xff;
|
| 417 |
break;
|
| 418 |
} |
| 419 |
return val;
|
| 420 |
} |
| 421 |
|
| 422 |
static void uhci_ioport_writew(void *opaque, uint32_t addr, uint32_t val) |
| 423 |
{
|
| 424 |
UHCIState *s = opaque; |
| 425 |
|
| 426 |
addr &= 0x1f;
|
| 427 |
DPRINTF("uhci: writew port=0x%04x val=0x%04x\n", addr, val);
|
| 428 |
|
| 429 |
switch(addr) {
|
| 430 |
case 0x00: |
| 431 |
if ((val & UHCI_CMD_RS) && !(s->cmd & UHCI_CMD_RS)) {
|
| 432 |
/* start frame processing */
|
| 433 |
s->expire_time = qemu_get_clock_ns(vm_clock) + |
| 434 |
(get_ticks_per_sec() / FRAME_TIMER_FREQ); |
| 435 |
qemu_mod_timer(s->frame_timer, qemu_get_clock_ns(vm_clock)); |
| 436 |
s->status &= ~UHCI_STS_HCHALTED; |
| 437 |
} else if (!(val & UHCI_CMD_RS)) { |
| 438 |
s->status |= UHCI_STS_HCHALTED; |
| 439 |
} |
| 440 |
if (val & UHCI_CMD_GRESET) {
|
| 441 |
UHCIPort *port; |
| 442 |
USBDevice *dev; |
| 443 |
int i;
|
| 444 |
|
| 445 |
/* send reset on the USB bus */
|
| 446 |
for(i = 0; i < NB_PORTS; i++) { |
| 447 |
port = &s->ports[i]; |
| 448 |
dev = port->port.dev; |
| 449 |
if (dev && dev->attached) {
|
| 450 |
usb_send_msg(dev, USB_MSG_RESET); |
| 451 |
} |
| 452 |
} |
| 453 |
uhci_reset(s); |
| 454 |
return;
|
| 455 |
} |
| 456 |
if (val & UHCI_CMD_HCRESET) {
|
| 457 |
uhci_reset(s); |
| 458 |
return;
|
| 459 |
} |
| 460 |
s->cmd = val; |
| 461 |
break;
|
| 462 |
case 0x02: |
| 463 |
s->status &= ~val; |
| 464 |
/* XXX: the chip spec is not coherent, so we add a hidden
|
| 465 |
register to distinguish between IOC and SPD */
|
| 466 |
if (val & UHCI_STS_USBINT)
|
| 467 |
s->status2 = 0;
|
| 468 |
uhci_update_irq(s); |
| 469 |
break;
|
| 470 |
case 0x04: |
| 471 |
s->intr = val; |
| 472 |
uhci_update_irq(s); |
| 473 |
break;
|
| 474 |
case 0x06: |
| 475 |
if (s->status & UHCI_STS_HCHALTED)
|
| 476 |
s->frnum = val & 0x7ff;
|
| 477 |
break;
|
| 478 |
case 0x10 ... 0x1f: |
| 479 |
{
|
| 480 |
UHCIPort *port; |
| 481 |
USBDevice *dev; |
| 482 |
int n;
|
| 483 |
|
| 484 |
n = (addr >> 1) & 7; |
| 485 |
if (n >= NB_PORTS)
|
| 486 |
return;
|
| 487 |
port = &s->ports[n]; |
| 488 |
dev = port->port.dev; |
| 489 |
if (dev && dev->attached) {
|
| 490 |
/* port reset */
|
| 491 |
if ( (val & UHCI_PORT_RESET) &&
|
| 492 |
!(port->ctrl & UHCI_PORT_RESET) ) {
|
| 493 |
usb_send_msg(dev, USB_MSG_RESET); |
| 494 |
} |
| 495 |
} |
| 496 |
port->ctrl &= UHCI_PORT_READ_ONLY; |
| 497 |
port->ctrl |= (val & ~UHCI_PORT_READ_ONLY); |
| 498 |
/* some bits are reset when a '1' is written to them */
|
| 499 |
port->ctrl &= ~(val & UHCI_PORT_WRITE_CLEAR); |
| 500 |
} |
| 501 |
break;
|
| 502 |
} |
| 503 |
} |
| 504 |
|
| 505 |
static uint32_t uhci_ioport_readw(void *opaque, uint32_t addr) |
| 506 |
{
|
| 507 |
UHCIState *s = opaque; |
| 508 |
uint32_t val; |
| 509 |
|
| 510 |
addr &= 0x1f;
|
| 511 |
switch(addr) {
|
| 512 |
case 0x00: |
| 513 |
val = s->cmd; |
| 514 |
break;
|
| 515 |
case 0x02: |
| 516 |
val = s->status; |
| 517 |
break;
|
| 518 |
case 0x04: |
| 519 |
val = s->intr; |
| 520 |
break;
|
| 521 |
case 0x06: |
| 522 |
val = s->frnum; |
| 523 |
break;
|
| 524 |
case 0x10 ... 0x1f: |
| 525 |
{
|
| 526 |
UHCIPort *port; |
| 527 |
int n;
|
| 528 |
n = (addr >> 1) & 7; |
| 529 |
if (n >= NB_PORTS)
|
| 530 |
goto read_default;
|
| 531 |
port = &s->ports[n]; |
| 532 |
val = port->ctrl; |
| 533 |
} |
| 534 |
break;
|
| 535 |
default:
|
| 536 |
read_default:
|
| 537 |
val = 0xff7f; /* disabled port */ |
| 538 |
break;
|
| 539 |
} |
| 540 |
|
| 541 |
DPRINTF("uhci: readw port=0x%04x val=0x%04x\n", addr, val);
|
| 542 |
|
| 543 |
return val;
|
| 544 |
} |
| 545 |
|
| 546 |
static void uhci_ioport_writel(void *opaque, uint32_t addr, uint32_t val) |
| 547 |
{
|
| 548 |
UHCIState *s = opaque; |
| 549 |
|
| 550 |
addr &= 0x1f;
|
| 551 |
DPRINTF("uhci: writel port=0x%04x val=0x%08x\n", addr, val);
|
| 552 |
|
| 553 |
switch(addr) {
|
| 554 |
case 0x08: |
| 555 |
s->fl_base_addr = val & ~0xfff;
|
| 556 |
break;
|
| 557 |
} |
| 558 |
} |
| 559 |
|
| 560 |
static uint32_t uhci_ioport_readl(void *opaque, uint32_t addr) |
| 561 |
{
|
| 562 |
UHCIState *s = opaque; |
| 563 |
uint32_t val; |
| 564 |
|
| 565 |
addr &= 0x1f;
|
| 566 |
switch(addr) {
|
| 567 |
case 0x08: |
| 568 |
val = s->fl_base_addr; |
| 569 |
break;
|
| 570 |
default:
|
| 571 |
val = 0xffffffff;
|
| 572 |
break;
|
| 573 |
} |
| 574 |
return val;
|
| 575 |
} |
| 576 |
|
| 577 |
/* signal resume if controller suspended */
|
| 578 |
static void uhci_resume (void *opaque) |
| 579 |
{
|
| 580 |
UHCIState *s = (UHCIState *)opaque; |
| 581 |
|
| 582 |
if (!s)
|
| 583 |
return;
|
| 584 |
|
| 585 |
if (s->cmd & UHCI_CMD_EGSM) {
|
| 586 |
s->cmd |= UHCI_CMD_FGR; |
| 587 |
s->status |= UHCI_STS_RD; |
| 588 |
uhci_update_irq(s); |
| 589 |
} |
| 590 |
} |
| 591 |
|
| 592 |
static void uhci_attach(USBPort *port1) |
| 593 |
{
|
| 594 |
UHCIState *s = port1->opaque; |
| 595 |
UHCIPort *port = &s->ports[port1->index]; |
| 596 |
|
| 597 |
/* set connect status */
|
| 598 |
port->ctrl |= UHCI_PORT_CCS | UHCI_PORT_CSC; |
| 599 |
|
| 600 |
/* update speed */
|
| 601 |
if (port->port.dev->speed == USB_SPEED_LOW) {
|
| 602 |
port->ctrl |= UHCI_PORT_LSDA; |
| 603 |
} else {
|
| 604 |
port->ctrl &= ~UHCI_PORT_LSDA; |
| 605 |
} |
| 606 |
|
| 607 |
uhci_resume(s); |
| 608 |
} |
| 609 |
|
| 610 |
static void uhci_detach(USBPort *port1) |
| 611 |
{
|
| 612 |
UHCIState *s = port1->opaque; |
| 613 |
UHCIPort *port = &s->ports[port1->index]; |
| 614 |
|
| 615 |
uhci_async_cancel_device(s, port1->dev); |
| 616 |
|
| 617 |
/* set connect status */
|
| 618 |
if (port->ctrl & UHCI_PORT_CCS) {
|
| 619 |
port->ctrl &= ~UHCI_PORT_CCS; |
| 620 |
port->ctrl |= UHCI_PORT_CSC; |
| 621 |
} |
| 622 |
/* disable port */
|
| 623 |
if (port->ctrl & UHCI_PORT_EN) {
|
| 624 |
port->ctrl &= ~UHCI_PORT_EN; |
| 625 |
port->ctrl |= UHCI_PORT_ENC; |
| 626 |
} |
| 627 |
|
| 628 |
uhci_resume(s); |
| 629 |
} |
| 630 |
|
| 631 |
static void uhci_child_detach(USBPort *port1, USBDevice *child) |
| 632 |
{
|
| 633 |
UHCIState *s = port1->opaque; |
| 634 |
|
| 635 |
uhci_async_cancel_device(s, child); |
| 636 |
} |
| 637 |
|
| 638 |
static void uhci_wakeup(USBPort *port1) |
| 639 |
{
|
| 640 |
UHCIState *s = port1->opaque; |
| 641 |
UHCIPort *port = &s->ports[port1->index]; |
| 642 |
|
| 643 |
if (port->ctrl & UHCI_PORT_SUSPEND && !(port->ctrl & UHCI_PORT_RD)) {
|
| 644 |
port->ctrl |= UHCI_PORT_RD; |
| 645 |
uhci_resume(s); |
| 646 |
} |
| 647 |
} |
| 648 |
|
| 649 |
static int uhci_broadcast_packet(UHCIState *s, USBPacket *p) |
| 650 |
{
|
| 651 |
int i, ret;
|
| 652 |
|
| 653 |
DPRINTF("uhci: packet enter. pid %s addr 0x%02x ep %d len %zd\n",
|
| 654 |
pid2str(p->pid), p->devaddr, p->devep, p->iov.size); |
| 655 |
if (p->pid == USB_TOKEN_OUT || p->pid == USB_TOKEN_SETUP)
|
| 656 |
dump_data(p, 0);
|
| 657 |
|
| 658 |
ret = USB_RET_NODEV; |
| 659 |
for (i = 0; i < NB_PORTS && ret == USB_RET_NODEV; i++) { |
| 660 |
UHCIPort *port = &s->ports[i]; |
| 661 |
USBDevice *dev = port->port.dev; |
| 662 |
|
| 663 |
if (dev && dev->attached && (port->ctrl & UHCI_PORT_EN)) {
|
| 664 |
ret = usb_handle_packet(dev, p); |
| 665 |
} |
| 666 |
} |
| 667 |
|
| 668 |
DPRINTF("uhci: packet exit. ret %d len %zd\n", ret, p->iov.size);
|
| 669 |
if (p->pid == USB_TOKEN_IN && ret > 0) |
| 670 |
dump_data(p, ret); |
| 671 |
|
| 672 |
return ret;
|
| 673 |
} |
| 674 |
|
| 675 |
static void uhci_async_complete(USBPort *port, USBPacket *packet); |
| 676 |
static void uhci_process_frame(UHCIState *s); |
| 677 |
|
| 678 |
/* return -1 if fatal error (frame must be stopped)
|
| 679 |
0 if TD successful
|
| 680 |
1 if TD unsuccessful or inactive
|
| 681 |
*/
|
| 682 |
static int uhci_complete_td(UHCIState *s, UHCI_TD *td, UHCIAsync *async, uint32_t *int_mask) |
| 683 |
{
|
| 684 |
int len = 0, max_len, err, ret; |
| 685 |
uint8_t pid; |
| 686 |
|
| 687 |
max_len = ((td->token >> 21) + 1) & 0x7ff; |
| 688 |
pid = td->token & 0xff;
|
| 689 |
|
| 690 |
ret = async->packet.result; |
| 691 |
|
| 692 |
if (td->ctrl & TD_CTRL_IOS)
|
| 693 |
td->ctrl &= ~TD_CTRL_ACTIVE; |
| 694 |
|
| 695 |
if (ret < 0) |
| 696 |
goto out;
|
| 697 |
|
| 698 |
len = async->packet.result; |
| 699 |
td->ctrl = (td->ctrl & ~0x7ff) | ((len - 1) & 0x7ff); |
| 700 |
|
| 701 |
/* The NAK bit may have been set by a previous frame, so clear it
|
| 702 |
here. The docs are somewhat unclear, but win2k relies on this
|
| 703 |
behavior. */
|
| 704 |
td->ctrl &= ~(TD_CTRL_ACTIVE | TD_CTRL_NAK); |
| 705 |
if (td->ctrl & TD_CTRL_IOC)
|
| 706 |
*int_mask |= 0x01;
|
| 707 |
|
| 708 |
if (pid == USB_TOKEN_IN) {
|
| 709 |
if (len > max_len) {
|
| 710 |
ret = USB_RET_BABBLE; |
| 711 |
goto out;
|
| 712 |
} |
| 713 |
|
| 714 |
if ((td->ctrl & TD_CTRL_SPD) && len < max_len) {
|
| 715 |
*int_mask |= 0x02;
|
| 716 |
/* short packet: do not update QH */
|
| 717 |
DPRINTF("uhci: short packet. td 0x%x token 0x%x\n", async->td, async->token);
|
| 718 |
return 1; |
| 719 |
} |
| 720 |
} |
| 721 |
|
| 722 |
/* success */
|
| 723 |
return 0; |
| 724 |
|
| 725 |
out:
|
| 726 |
switch(ret) {
|
| 727 |
case USB_RET_STALL:
|
| 728 |
td->ctrl |= TD_CTRL_STALL; |
| 729 |
td->ctrl &= ~TD_CTRL_ACTIVE; |
| 730 |
s->status |= UHCI_STS_USBERR; |
| 731 |
if (td->ctrl & TD_CTRL_IOC) {
|
| 732 |
*int_mask |= 0x01;
|
| 733 |
} |
| 734 |
uhci_update_irq(s); |
| 735 |
return 1; |
| 736 |
|
| 737 |
case USB_RET_BABBLE:
|
| 738 |
td->ctrl |= TD_CTRL_BABBLE | TD_CTRL_STALL; |
| 739 |
td->ctrl &= ~TD_CTRL_ACTIVE; |
| 740 |
s->status |= UHCI_STS_USBERR; |
| 741 |
if (td->ctrl & TD_CTRL_IOC) {
|
| 742 |
*int_mask |= 0x01;
|
| 743 |
} |
| 744 |
uhci_update_irq(s); |
| 745 |
/* frame interrupted */
|
| 746 |
return -1; |
| 747 |
|
| 748 |
case USB_RET_NAK:
|
| 749 |
td->ctrl |= TD_CTRL_NAK; |
| 750 |
if (pid == USB_TOKEN_SETUP)
|
| 751 |
break;
|
| 752 |
return 1; |
| 753 |
|
| 754 |
case USB_RET_NODEV:
|
| 755 |
default:
|
| 756 |
break;
|
| 757 |
} |
| 758 |
|
| 759 |
/* Retry the TD if error count is not zero */
|
| 760 |
|
| 761 |
td->ctrl |= TD_CTRL_TIMEOUT; |
| 762 |
err = (td->ctrl >> TD_CTRL_ERROR_SHIFT) & 3;
|
| 763 |
if (err != 0) { |
| 764 |
err--; |
| 765 |
if (err == 0) { |
| 766 |
td->ctrl &= ~TD_CTRL_ACTIVE; |
| 767 |
s->status |= UHCI_STS_USBERR; |
| 768 |
if (td->ctrl & TD_CTRL_IOC)
|
| 769 |
*int_mask |= 0x01;
|
| 770 |
uhci_update_irq(s); |
| 771 |
} |
| 772 |
} |
| 773 |
td->ctrl = (td->ctrl & ~(3 << TD_CTRL_ERROR_SHIFT)) |
|
| 774 |
(err << TD_CTRL_ERROR_SHIFT); |
| 775 |
return 1; |
| 776 |
} |
| 777 |
|
| 778 |
static int uhci_handle_td(UHCIState *s, uint32_t addr, UHCI_TD *td, uint32_t *int_mask) |
| 779 |
{
|
| 780 |
UHCIAsync *async; |
| 781 |
int len = 0, max_len; |
| 782 |
uint8_t pid, isoc; |
| 783 |
uint32_t token; |
| 784 |
|
| 785 |
/* Is active ? */
|
| 786 |
if (!(td->ctrl & TD_CTRL_ACTIVE))
|
| 787 |
return 1; |
| 788 |
|
| 789 |
/* token field is not unique for isochronous requests,
|
| 790 |
* so use the destination buffer
|
| 791 |
*/
|
| 792 |
if (td->ctrl & TD_CTRL_IOS) {
|
| 793 |
token = td->buffer; |
| 794 |
isoc = 1;
|
| 795 |
} else {
|
| 796 |
token = td->token; |
| 797 |
isoc = 0;
|
| 798 |
} |
| 799 |
|
| 800 |
async = uhci_async_find_td(s, addr, token); |
| 801 |
if (async) {
|
| 802 |
/* Already submitted */
|
| 803 |
async->valid = 32;
|
| 804 |
|
| 805 |
if (!async->done)
|
| 806 |
return 1; |
| 807 |
|
| 808 |
uhci_async_unlink(s, async); |
| 809 |
goto done;
|
| 810 |
} |
| 811 |
|
| 812 |
/* Allocate new packet */
|
| 813 |
async = uhci_async_alloc(s); |
| 814 |
if (!async)
|
| 815 |
return 1; |
| 816 |
|
| 817 |
/* valid needs to be large enough to handle 10 frame delay
|
| 818 |
* for initial isochronous requests
|
| 819 |
*/
|
| 820 |
async->valid = 32;
|
| 821 |
async->td = addr; |
| 822 |
async->token = token; |
| 823 |
async->isoc = isoc; |
| 824 |
|
| 825 |
max_len = ((td->token >> 21) + 1) & 0x7ff; |
| 826 |
pid = td->token & 0xff;
|
| 827 |
|
| 828 |
usb_packet_setup(&async->packet, pid, (td->token >> 8) & 0x7f, |
| 829 |
(td->token >> 15) & 0xf); |
| 830 |
qemu_sglist_add(&async->sgl, td->buffer, max_len); |
| 831 |
usb_packet_map(&async->packet, &async->sgl); |
| 832 |
|
| 833 |
switch(pid) {
|
| 834 |
case USB_TOKEN_OUT:
|
| 835 |
case USB_TOKEN_SETUP:
|
| 836 |
len = uhci_broadcast_packet(s, &async->packet); |
| 837 |
if (len >= 0) |
| 838 |
len = max_len; |
| 839 |
break;
|
| 840 |
|
| 841 |
case USB_TOKEN_IN:
|
| 842 |
len = uhci_broadcast_packet(s, &async->packet); |
| 843 |
break;
|
| 844 |
|
| 845 |
default:
|
| 846 |
/* invalid pid : frame interrupted */
|
| 847 |
uhci_async_free(s, async); |
| 848 |
s->status |= UHCI_STS_HCPERR; |
| 849 |
uhci_update_irq(s); |
| 850 |
return -1; |
| 851 |
} |
| 852 |
|
| 853 |
if (len == USB_RET_ASYNC) {
|
| 854 |
uhci_async_link(s, async); |
| 855 |
return 2; |
| 856 |
} |
| 857 |
|
| 858 |
async->packet.result = len; |
| 859 |
|
| 860 |
done:
|
| 861 |
len = uhci_complete_td(s, td, async, int_mask); |
| 862 |
usb_packet_unmap(&async->packet); |
| 863 |
uhci_async_free(s, async); |
| 864 |
return len;
|
| 865 |
} |
| 866 |
|
| 867 |
static void uhci_async_complete(USBPort *port, USBPacket *packet) |
| 868 |
{
|
| 869 |
UHCIAsync *async = container_of(packet, UHCIAsync, packet); |
| 870 |
UHCIState *s = async->uhci; |
| 871 |
|
| 872 |
DPRINTF("uhci: async complete. td 0x%x token 0x%x\n", async->td, async->token);
|
| 873 |
|
| 874 |
if (async->isoc) {
|
| 875 |
UHCI_TD td; |
| 876 |
uint32_t link = async->td; |
| 877 |
uint32_t int_mask = 0, val;
|
| 878 |
|
| 879 |
pci_dma_read(&s->dev, link & ~0xf, (uint8_t *) &td, sizeof(td)); |
| 880 |
le32_to_cpus(&td.link); |
| 881 |
le32_to_cpus(&td.ctrl); |
| 882 |
le32_to_cpus(&td.token); |
| 883 |
le32_to_cpus(&td.buffer); |
| 884 |
|
| 885 |
uhci_async_unlink(s, async); |
| 886 |
uhci_complete_td(s, &td, async, &int_mask); |
| 887 |
s->pending_int_mask |= int_mask; |
| 888 |
|
| 889 |
/* update the status bits of the TD */
|
| 890 |
val = cpu_to_le32(td.ctrl); |
| 891 |
pci_dma_write(&s->dev, (link & ~0xf) + 4, |
| 892 |
(const uint8_t *)&val, sizeof(val)); |
| 893 |
uhci_async_free(s, async); |
| 894 |
} else {
|
| 895 |
async->done = 1;
|
| 896 |
uhci_process_frame(s); |
| 897 |
} |
| 898 |
} |
| 899 |
|
| 900 |
static int is_valid(uint32_t link) |
| 901 |
{
|
| 902 |
return (link & 1) == 0; |
| 903 |
} |
| 904 |
|
| 905 |
static int is_qh(uint32_t link) |
| 906 |
{
|
| 907 |
return (link & 2) != 0; |
| 908 |
} |
| 909 |
|
| 910 |
static int depth_first(uint32_t link) |
| 911 |
{
|
| 912 |
return (link & 4) != 0; |
| 913 |
} |
| 914 |
|
| 915 |
/* QH DB used for detecting QH loops */
|
| 916 |
#define UHCI_MAX_QUEUES 128 |
| 917 |
typedef struct { |
| 918 |
uint32_t addr[UHCI_MAX_QUEUES]; |
| 919 |
int count;
|
| 920 |
} QhDb; |
| 921 |
|
| 922 |
static void qhdb_reset(QhDb *db) |
| 923 |
{
|
| 924 |
db->count = 0;
|
| 925 |
} |
| 926 |
|
| 927 |
/* Add QH to DB. Returns 1 if already present or DB is full. */
|
| 928 |
static int qhdb_insert(QhDb *db, uint32_t addr) |
| 929 |
{
|
| 930 |
int i;
|
| 931 |
for (i = 0; i < db->count; i++) |
| 932 |
if (db->addr[i] == addr)
|
| 933 |
return 1; |
| 934 |
|
| 935 |
if (db->count >= UHCI_MAX_QUEUES)
|
| 936 |
return 1; |
| 937 |
|
| 938 |
db->addr[db->count++] = addr; |
| 939 |
return 0; |
| 940 |
} |
| 941 |
|
| 942 |
static void uhci_process_frame(UHCIState *s) |
| 943 |
{
|
| 944 |
uint32_t frame_addr, link, old_td_ctrl, val, int_mask; |
| 945 |
uint32_t curr_qh; |
| 946 |
int cnt, ret;
|
| 947 |
UHCI_TD td; |
| 948 |
UHCI_QH qh; |
| 949 |
QhDb qhdb; |
| 950 |
|
| 951 |
frame_addr = s->fl_base_addr + ((s->frnum & 0x3ff) << 2); |
| 952 |
|
| 953 |
DPRINTF("uhci: processing frame %d addr 0x%x\n" , s->frnum, frame_addr);
|
| 954 |
|
| 955 |
pci_dma_read(&s->dev, frame_addr, (uint8_t *)&link, 4);
|
| 956 |
le32_to_cpus(&link); |
| 957 |
|
| 958 |
int_mask = 0;
|
| 959 |
curr_qh = 0;
|
| 960 |
|
| 961 |
qhdb_reset(&qhdb); |
| 962 |
|
| 963 |
for (cnt = FRAME_MAX_LOOPS; is_valid(link) && cnt; cnt--) {
|
| 964 |
if (is_qh(link)) {
|
| 965 |
/* QH */
|
| 966 |
|
| 967 |
if (qhdb_insert(&qhdb, link)) {
|
| 968 |
/*
|
| 969 |
* We're going in circles. Which is not a bug because
|
| 970 |
* HCD is allowed to do that as part of the BW management.
|
| 971 |
* In our case though it makes no sense to spin here. Sync transations
|
| 972 |
* are already done, and async completion handler will re-process
|
| 973 |
* the frame when something is ready.
|
| 974 |
*/
|
| 975 |
DPRINTF("uhci: detected loop. qh 0x%x\n", link);
|
| 976 |
break;
|
| 977 |
} |
| 978 |
|
| 979 |
pci_dma_read(&s->dev, link & ~0xf, (uint8_t *) &qh, sizeof(qh)); |
| 980 |
le32_to_cpus(&qh.link); |
| 981 |
le32_to_cpus(&qh.el_link); |
| 982 |
|
| 983 |
DPRINTF("uhci: QH 0x%x load. link 0x%x elink 0x%x\n",
|
| 984 |
link, qh.link, qh.el_link); |
| 985 |
|
| 986 |
if (!is_valid(qh.el_link)) {
|
| 987 |
/* QH w/o elements */
|
| 988 |
curr_qh = 0;
|
| 989 |
link = qh.link; |
| 990 |
} else {
|
| 991 |
/* QH with elements */
|
| 992 |
curr_qh = link; |
| 993 |
link = qh.el_link; |
| 994 |
} |
| 995 |
continue;
|
| 996 |
} |
| 997 |
|
| 998 |
/* TD */
|
| 999 |
pci_dma_read(&s->dev, link & ~0xf, (uint8_t *) &td, sizeof(td)); |
| 1000 |
le32_to_cpus(&td.link); |
| 1001 |
le32_to_cpus(&td.ctrl); |
| 1002 |
le32_to_cpus(&td.token); |
| 1003 |
le32_to_cpus(&td.buffer); |
| 1004 |
|
| 1005 |
DPRINTF("uhci: TD 0x%x load. link 0x%x ctrl 0x%x token 0x%x qh 0x%x\n",
|
| 1006 |
link, td.link, td.ctrl, td.token, curr_qh); |
| 1007 |
|
| 1008 |
old_td_ctrl = td.ctrl; |
| 1009 |
ret = uhci_handle_td(s, link, &td, &int_mask); |
| 1010 |
if (old_td_ctrl != td.ctrl) {
|
| 1011 |
/* update the status bits of the TD */
|
| 1012 |
val = cpu_to_le32(td.ctrl); |
| 1013 |
pci_dma_write(&s->dev, (link & ~0xf) + 4, |
| 1014 |
(const uint8_t *)&val, sizeof(val)); |
| 1015 |
} |
| 1016 |
|
| 1017 |
if (ret < 0) { |
| 1018 |
/* interrupted frame */
|
| 1019 |
break;
|
| 1020 |
} |
| 1021 |
|
| 1022 |
if (ret == 2 || ret == 1) { |
| 1023 |
DPRINTF("uhci: TD 0x%x %s. link 0x%x ctrl 0x%x token 0x%x qh 0x%x\n",
|
| 1024 |
link, ret == 2 ? "pend" : "skip", |
| 1025 |
td.link, td.ctrl, td.token, curr_qh); |
| 1026 |
|
| 1027 |
link = curr_qh ? qh.link : td.link; |
| 1028 |
continue;
|
| 1029 |
} |
| 1030 |
|
| 1031 |
/* completed TD */
|
| 1032 |
|
| 1033 |
DPRINTF("uhci: TD 0x%x done. link 0x%x ctrl 0x%x token 0x%x qh 0x%x\n",
|
| 1034 |
link, td.link, td.ctrl, td.token, curr_qh); |
| 1035 |
|
| 1036 |
link = td.link; |
| 1037 |
|
| 1038 |
if (curr_qh) {
|
| 1039 |
/* update QH element link */
|
| 1040 |
qh.el_link = link; |
| 1041 |
val = cpu_to_le32(qh.el_link); |
| 1042 |
pci_dma_write(&s->dev, (curr_qh & ~0xf) + 4, |
| 1043 |
(const uint8_t *)&val, sizeof(val)); |
| 1044 |
|
| 1045 |
if (!depth_first(link)) {
|
| 1046 |
/* done with this QH */
|
| 1047 |
|
| 1048 |
DPRINTF("uhci: QH 0x%x done. link 0x%x elink 0x%x\n",
|
| 1049 |
curr_qh, qh.link, qh.el_link); |
| 1050 |
|
| 1051 |
curr_qh = 0;
|
| 1052 |
link = qh.link; |
| 1053 |
} |
| 1054 |
} |
| 1055 |
|
| 1056 |
/* go to the next entry */
|
| 1057 |
} |
| 1058 |
|
| 1059 |
s->pending_int_mask |= int_mask; |
| 1060 |
} |
| 1061 |
|
| 1062 |
static void uhci_frame_timer(void *opaque) |
| 1063 |
{
|
| 1064 |
UHCIState *s = opaque; |
| 1065 |
|
| 1066 |
/* prepare the timer for the next frame */
|
| 1067 |
s->expire_time += (get_ticks_per_sec() / FRAME_TIMER_FREQ); |
| 1068 |
|
| 1069 |
if (!(s->cmd & UHCI_CMD_RS)) {
|
| 1070 |
/* Full stop */
|
| 1071 |
qemu_del_timer(s->frame_timer); |
| 1072 |
/* set hchalted bit in status - UHCI11D 2.1.2 */
|
| 1073 |
s->status |= UHCI_STS_HCHALTED; |
| 1074 |
|
| 1075 |
DPRINTF("uhci: halted\n");
|
| 1076 |
return;
|
| 1077 |
} |
| 1078 |
|
| 1079 |
/* Complete the previous frame */
|
| 1080 |
if (s->pending_int_mask) {
|
| 1081 |
s->status2 |= s->pending_int_mask; |
| 1082 |
s->status |= UHCI_STS_USBINT; |
| 1083 |
uhci_update_irq(s); |
| 1084 |
} |
| 1085 |
s->pending_int_mask = 0;
|
| 1086 |
|
| 1087 |
/* Start new frame */
|
| 1088 |
s->frnum = (s->frnum + 1) & 0x7ff; |
| 1089 |
|
| 1090 |
DPRINTF("uhci: new frame #%u\n" , s->frnum);
|
| 1091 |
|
| 1092 |
uhci_async_validate_begin(s); |
| 1093 |
|
| 1094 |
uhci_process_frame(s); |
| 1095 |
|
| 1096 |
uhci_async_validate_end(s); |
| 1097 |
|
| 1098 |
qemu_mod_timer(s->frame_timer, s->expire_time); |
| 1099 |
} |
| 1100 |
|
| 1101 |
static const MemoryRegionPortio uhci_portio[] = { |
| 1102 |
{ 0, 32, 2, .write = uhci_ioport_writew, },
|
| 1103 |
{ 0, 32, 2, .read = uhci_ioport_readw, },
|
| 1104 |
{ 0, 32, 4, .write = uhci_ioport_writel, },
|
| 1105 |
{ 0, 32, 4, .read = uhci_ioport_readl, },
|
| 1106 |
{ 0, 32, 1, .write = uhci_ioport_writeb, },
|
| 1107 |
{ 0, 32, 1, .read = uhci_ioport_readb, },
|
| 1108 |
PORTIO_END_OF_LIST() |
| 1109 |
}; |
| 1110 |
|
| 1111 |
static const MemoryRegionOps uhci_ioport_ops = { |
| 1112 |
.old_portio = uhci_portio, |
| 1113 |
}; |
| 1114 |
|
| 1115 |
static USBPortOps uhci_port_ops = {
|
| 1116 |
.attach = uhci_attach, |
| 1117 |
.detach = uhci_detach, |
| 1118 |
.child_detach = uhci_child_detach, |
| 1119 |
.wakeup = uhci_wakeup, |
| 1120 |
.complete = uhci_async_complete, |
| 1121 |
}; |
| 1122 |
|
| 1123 |
static USBBusOps uhci_bus_ops = {
|
| 1124 |
}; |
| 1125 |
|
| 1126 |
static int usb_uhci_common_initfn(PCIDevice *dev) |
| 1127 |
{
|
| 1128 |
UHCIState *s = DO_UPCAST(UHCIState, dev, dev); |
| 1129 |
uint8_t *pci_conf = s->dev.config; |
| 1130 |
int i;
|
| 1131 |
|
| 1132 |
pci_conf[PCI_CLASS_PROG] = 0x00;
|
| 1133 |
/* TODO: reset value should be 0. */
|
| 1134 |
pci_conf[PCI_INTERRUPT_PIN] = 4; /* interrupt pin D */ |
| 1135 |
pci_conf[USB_SBRN] = USB_RELEASE_1; // release number
|
| 1136 |
|
| 1137 |
if (s->masterbus) {
|
| 1138 |
USBPort *ports[NB_PORTS]; |
| 1139 |
for(i = 0; i < NB_PORTS; i++) { |
| 1140 |
ports[i] = &s->ports[i].port; |
| 1141 |
} |
| 1142 |
if (usb_register_companion(s->masterbus, ports, NB_PORTS,
|
| 1143 |
s->firstport, s, &uhci_port_ops, |
| 1144 |
USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL) != 0) {
|
| 1145 |
return -1; |
| 1146 |
} |
| 1147 |
} else {
|
| 1148 |
usb_bus_new(&s->bus, &uhci_bus_ops, &s->dev.qdev); |
| 1149 |
for (i = 0; i < NB_PORTS; i++) { |
| 1150 |
usb_register_port(&s->bus, &s->ports[i].port, s, i, &uhci_port_ops, |
| 1151 |
USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); |
| 1152 |
} |
| 1153 |
} |
| 1154 |
s->frame_timer = qemu_new_timer_ns(vm_clock, uhci_frame_timer, s); |
| 1155 |
s->num_ports_vmstate = NB_PORTS; |
| 1156 |
QTAILQ_INIT(&s->async_pending); |
| 1157 |
|
| 1158 |
qemu_register_reset(uhci_reset, s); |
| 1159 |
|
| 1160 |
memory_region_init_io(&s->io_bar, &uhci_ioport_ops, s, "uhci", 0x20); |
| 1161 |
/* Use region 4 for consistency with real hardware. BSD guests seem
|
| 1162 |
to rely on this. */
|
| 1163 |
pci_register_bar(&s->dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
|
| 1164 |
|
| 1165 |
return 0; |
| 1166 |
} |
| 1167 |
|
| 1168 |
static int usb_uhci_vt82c686b_initfn(PCIDevice *dev) |
| 1169 |
{
|
| 1170 |
UHCIState *s = DO_UPCAST(UHCIState, dev, dev); |
| 1171 |
uint8_t *pci_conf = s->dev.config; |
| 1172 |
|
| 1173 |
/* USB misc control 1/2 */
|
| 1174 |
pci_set_long(pci_conf + 0x40,0x00001000); |
| 1175 |
/* PM capability */
|
| 1176 |
pci_set_long(pci_conf + 0x80,0x00020001); |
| 1177 |
/* USB legacy support */
|
| 1178 |
pci_set_long(pci_conf + 0xc0,0x00002000); |
| 1179 |
|
| 1180 |
return usb_uhci_common_initfn(dev);
|
| 1181 |
} |
| 1182 |
|
| 1183 |
static int usb_uhci_exit(PCIDevice *dev) |
| 1184 |
{
|
| 1185 |
UHCIState *s = DO_UPCAST(UHCIState, dev, dev); |
| 1186 |
|
| 1187 |
memory_region_destroy(&s->io_bar); |
| 1188 |
return 0; |
| 1189 |
} |
| 1190 |
|
| 1191 |
static Property uhci_properties[] = {
|
| 1192 |
DEFINE_PROP_STRING("masterbus", UHCIState, masterbus),
|
| 1193 |
DEFINE_PROP_UINT32("firstport", UHCIState, firstport, 0), |
| 1194 |
DEFINE_PROP_END_OF_LIST(), |
| 1195 |
}; |
| 1196 |
|
| 1197 |
static PCIDeviceInfo uhci_info[] = {
|
| 1198 |
{
|
| 1199 |
.qdev.name = "piix3-usb-uhci",
|
| 1200 |
.qdev.size = sizeof(UHCIState),
|
| 1201 |
.qdev.vmsd = &vmstate_uhci, |
| 1202 |
.init = usb_uhci_common_initfn, |
| 1203 |
.exit = usb_uhci_exit, |
| 1204 |
.vendor_id = PCI_VENDOR_ID_INTEL, |
| 1205 |
.device_id = PCI_DEVICE_ID_INTEL_82371SB_2, |
| 1206 |
.revision = 0x01,
|
| 1207 |
.class_id = PCI_CLASS_SERIAL_USB, |
| 1208 |
.qdev.props = uhci_properties, |
| 1209 |
},{
|
| 1210 |
.qdev.name = "piix4-usb-uhci",
|
| 1211 |
.qdev.size = sizeof(UHCIState),
|
| 1212 |
.qdev.vmsd = &vmstate_uhci, |
| 1213 |
.init = usb_uhci_common_initfn, |
| 1214 |
.exit = usb_uhci_exit, |
| 1215 |
.vendor_id = PCI_VENDOR_ID_INTEL, |
| 1216 |
.device_id = PCI_DEVICE_ID_INTEL_82371AB_2, |
| 1217 |
.revision = 0x01,
|
| 1218 |
.class_id = PCI_CLASS_SERIAL_USB, |
| 1219 |
.qdev.props = uhci_properties, |
| 1220 |
},{
|
| 1221 |
.qdev.name = "vt82c686b-usb-uhci",
|
| 1222 |
.qdev.size = sizeof(UHCIState),
|
| 1223 |
.qdev.vmsd = &vmstate_uhci, |
| 1224 |
.init = usb_uhci_vt82c686b_initfn, |
| 1225 |
.exit = usb_uhci_exit, |
| 1226 |
.vendor_id = PCI_VENDOR_ID_VIA, |
| 1227 |
.device_id = PCI_DEVICE_ID_VIA_UHCI, |
| 1228 |
.revision = 0x01,
|
| 1229 |
.class_id = PCI_CLASS_SERIAL_USB, |
| 1230 |
.qdev.props = uhci_properties, |
| 1231 |
},{
|
| 1232 |
.qdev.name = "ich9-usb-uhci1",
|
| 1233 |
.qdev.size = sizeof(UHCIState),
|
| 1234 |
.qdev.vmsd = &vmstate_uhci, |
| 1235 |
.init = usb_uhci_common_initfn, |
| 1236 |
.vendor_id = PCI_VENDOR_ID_INTEL, |
| 1237 |
.device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI1, |
| 1238 |
.revision = 0x03,
|
| 1239 |
.class_id = PCI_CLASS_SERIAL_USB, |
| 1240 |
.qdev.props = uhci_properties, |
| 1241 |
},{
|
| 1242 |
.qdev.name = "ich9-usb-uhci2",
|
| 1243 |
.qdev.size = sizeof(UHCIState),
|
| 1244 |
.qdev.vmsd = &vmstate_uhci, |
| 1245 |
.init = usb_uhci_common_initfn, |
| 1246 |
.vendor_id = PCI_VENDOR_ID_INTEL, |
| 1247 |
.device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI2, |
| 1248 |
.revision = 0x03,
|
| 1249 |
.class_id = PCI_CLASS_SERIAL_USB, |
| 1250 |
.qdev.props = uhci_properties, |
| 1251 |
},{
|
| 1252 |
.qdev.name = "ich9-usb-uhci3",
|
| 1253 |
.qdev.size = sizeof(UHCIState),
|
| 1254 |
.qdev.vmsd = &vmstate_uhci, |
| 1255 |
.init = usb_uhci_common_initfn, |
| 1256 |
.vendor_id = PCI_VENDOR_ID_INTEL, |
| 1257 |
.device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI3, |
| 1258 |
.revision = 0x03,
|
| 1259 |
.class_id = PCI_CLASS_SERIAL_USB, |
| 1260 |
.qdev.props = uhci_properties, |
| 1261 |
},{
|
| 1262 |
/* end of list */
|
| 1263 |
} |
| 1264 |
}; |
| 1265 |
|
| 1266 |
static void uhci_register(void) |
| 1267 |
{
|
| 1268 |
pci_qdev_register_many(uhci_info); |
| 1269 |
} |
| 1270 |
device_init(uhci_register); |
| 1271 |
|
| 1272 |
void usb_uhci_piix3_init(PCIBus *bus, int devfn) |
| 1273 |
{
|
| 1274 |
pci_create_simple(bus, devfn, "piix3-usb-uhci");
|
| 1275 |
} |
| 1276 |
|
| 1277 |
void usb_uhci_piix4_init(PCIBus *bus, int devfn) |
| 1278 |
{
|
| 1279 |
pci_create_simple(bus, devfn, "piix4-usb-uhci");
|
| 1280 |
} |
| 1281 |
|
| 1282 |
void usb_uhci_vt82c686b_init(PCIBus *bus, int devfn) |
| 1283 |
{
|
| 1284 |
pci_create_simple(bus, devfn, "vt82c686b-usb-uhci");
|
| 1285 |
} |