diff options
Diffstat (limited to 'hw/usb')
| -rw-r--r-- | hw/usb/Kconfig | 8 | ||||
| -rw-r--r-- | hw/usb/hcd-musb.c | 1553 | ||||
| -rw-r--r-- | hw/usb/meson.build | 2 | ||||
| -rw-r--r-- | hw/usb/tusb6010.c | 850 |
4 files changed, 0 insertions, 2413 deletions
diff --git a/hw/usb/Kconfig b/hw/usb/Kconfig index 84bc7fbe36..5fbecd2f43 100644 --- a/hw/usb/Kconfig +++ b/hw/usb/Kconfig @@ -53,18 +53,10 @@ config USB_XHCI_SYSBUS bool select USB_XHCI -config USB_MUSB - bool - select USB - config USB_DWC2 bool select USB -config TUSB6010 - bool - select USB_MUSB - config USB_HUB bool default y diff --git a/hw/usb/hcd-musb.c b/hw/usb/hcd-musb.c deleted file mode 100644 index 6dca373cb1..0000000000 --- a/hw/usb/hcd-musb.c +++ /dev/null @@ -1,1553 +0,0 @@ -/* - * "Inventra" High-speed Dual-Role Controller (MUSB-HDRC), Mentor Graphics, - * USB2.0 OTG compliant core used in various chips. - * - * Copyright (C) 2008 Nokia Corporation - * Written by Andrzej Zaborowski <andrew@openedhand.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 or - * (at your option) version 3 of the License. - * - * 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, see <http://www.gnu.org/licenses/>. - * - * Only host-mode and non-DMA accesses are currently supported. - */ -#include "qemu/osdep.h" -#include "qemu/timer.h" -#include "hw/usb.h" -#include "hw/usb/hcd-musb.h" -#include "hw/irq.h" -#include "hw/hw.h" - -/* Common USB registers */ -#define MUSB_HDRC_FADDR 0x00 /* 8-bit */ -#define MUSB_HDRC_POWER 0x01 /* 8-bit */ - -#define MUSB_HDRC_INTRTX 0x02 /* 16-bit */ -#define MUSB_HDRC_INTRRX 0x04 -#define MUSB_HDRC_INTRTXE 0x06 -#define MUSB_HDRC_INTRRXE 0x08 -#define MUSB_HDRC_INTRUSB 0x0a /* 8 bit */ -#define MUSB_HDRC_INTRUSBE 0x0b /* 8 bit */ -#define MUSB_HDRC_FRAME 0x0c /* 16-bit */ -#define MUSB_HDRC_INDEX 0x0e /* 8 bit */ -#define MUSB_HDRC_TESTMODE 0x0f /* 8 bit */ - -/* Per-EP registers in indexed mode */ -#define MUSB_HDRC_EP_IDX 0x10 /* 8-bit */ - -/* EP FIFOs */ -#define MUSB_HDRC_FIFO 0x20 - -/* Additional Control Registers */ -#define MUSB_HDRC_DEVCTL 0x60 /* 8 bit */ - -/* These are indexed */ -#define MUSB_HDRC_TXFIFOSZ 0x62 /* 8 bit (see masks) */ -#define MUSB_HDRC_RXFIFOSZ 0x63 /* 8 bit (see masks) */ -#define MUSB_HDRC_TXFIFOADDR 0x64 /* 16 bit offset shifted right 3 */ -#define MUSB_HDRC_RXFIFOADDR 0x66 /* 16 bit offset shifted right 3 */ - -/* Some more registers */ -#define MUSB_HDRC_VCTRL 0x68 /* 8 bit */ -#define MUSB_HDRC_HWVERS 0x6c /* 8 bit */ - -/* Added in HDRC 1.9(?) & MHDRC 1.4 */ -/* ULPI pass-through */ -#define MUSB_HDRC_ULPI_VBUSCTL 0x70 -#define MUSB_HDRC_ULPI_REGDATA 0x74 -#define MUSB_HDRC_ULPI_REGADDR 0x75 -#define MUSB_HDRC_ULPI_REGCTL 0x76 - -/* Extended config & PHY control */ -#define MUSB_HDRC_ENDCOUNT 0x78 /* 8 bit */ -#define MUSB_HDRC_DMARAMCFG 0x79 /* 8 bit */ -#define MUSB_HDRC_PHYWAIT 0x7a /* 8 bit */ -#define MUSB_HDRC_PHYVPLEN 0x7b /* 8 bit */ -#define MUSB_HDRC_HS_EOF1 0x7c /* 8 bit, units of 546.1 us */ -#define MUSB_HDRC_FS_EOF1 0x7d /* 8 bit, units of 533.3 ns */ -#define MUSB_HDRC_LS_EOF1 0x7e /* 8 bit, units of 1.067 us */ - -/* Per-EP BUSCTL registers */ -#define MUSB_HDRC_BUSCTL 0x80 - -/* Per-EP registers in flat mode */ -#define MUSB_HDRC_EP 0x100 - -/* offsets to registers in flat model */ -#define MUSB_HDRC_TXMAXP 0x00 /* 16 bit apparently */ -#define MUSB_HDRC_TXCSR 0x02 /* 16 bit apparently */ -#define MUSB_HDRC_CSR0 MUSB_HDRC_TXCSR /* re-used for EP0 */ -#define MUSB_HDRC_RXMAXP 0x04 /* 16 bit apparently */ -#define MUSB_HDRC_RXCSR 0x06 /* 16 bit apparently */ -#define MUSB_HDRC_RXCOUNT 0x08 /* 16 bit apparently */ -#define MUSB_HDRC_COUNT0 MUSB_HDRC_RXCOUNT /* re-used for EP0 */ -#define MUSB_HDRC_TXTYPE 0x0a /* 8 bit apparently */ -#define MUSB_HDRC_TYPE0 MUSB_HDRC_TXTYPE /* re-used for EP0 */ -#define MUSB_HDRC_TXINTERVAL 0x0b /* 8 bit apparently */ -#define MUSB_HDRC_NAKLIMIT0 MUSB_HDRC_TXINTERVAL /* re-used for EP0 */ -#define MUSB_HDRC_RXTYPE 0x0c /* 8 bit apparently */ -#define MUSB_HDRC_RXINTERVAL 0x0d /* 8 bit apparently */ -#define MUSB_HDRC_FIFOSIZE 0x0f /* 8 bit apparently */ -#define MUSB_HDRC_CONFIGDATA MGC_O_HDRC_FIFOSIZE /* re-used for EP0 */ - -/* "Bus control" registers */ -#define MUSB_HDRC_TXFUNCADDR 0x00 -#define MUSB_HDRC_TXHUBADDR 0x02 -#define MUSB_HDRC_TXHUBPORT 0x03 - -#define MUSB_HDRC_RXFUNCADDR 0x04 -#define MUSB_HDRC_RXHUBADDR 0x06 -#define MUSB_HDRC_RXHUBPORT 0x07 - -/* - * MUSBHDRC Register bit masks - */ - -/* POWER */ -#define MGC_M_POWER_ISOUPDATE 0x80 -#define MGC_M_POWER_SOFTCONN 0x40 -#define MGC_M_POWER_HSENAB 0x20 -#define MGC_M_POWER_HSMODE 0x10 -#define MGC_M_POWER_RESET 0x08 -#define MGC_M_POWER_RESUME 0x04 -#define MGC_M_POWER_SUSPENDM 0x02 -#define MGC_M_POWER_ENSUSPEND 0x01 - -/* INTRUSB */ -#define MGC_M_INTR_SUSPEND 0x01 -#define MGC_M_INTR_RESUME 0x02 -#define MGC_M_INTR_RESET 0x04 -#define MGC_M_INTR_BABBLE 0x04 -#define MGC_M_INTR_SOF 0x08 -#define MGC_M_INTR_CONNECT 0x10 -#define MGC_M_INTR_DISCONNECT 0x20 -#define MGC_M_INTR_SESSREQ 0x40 -#define MGC_M_INTR_VBUSERROR 0x80 /* FOR SESSION END */ -#define MGC_M_INTR_EP0 0x01 /* FOR EP0 INTERRUPT */ - -/* DEVCTL */ -#define MGC_M_DEVCTL_BDEVICE 0x80 -#define MGC_M_DEVCTL_FSDEV 0x40 -#define MGC_M_DEVCTL_LSDEV 0x20 -#define MGC_M_DEVCTL_VBUS 0x18 -#define MGC_S_DEVCTL_VBUS 3 -#define MGC_M_DEVCTL_HM 0x04 -#define MGC_M_DEVCTL_HR 0x02 -#define MGC_M_DEVCTL_SESSION 0x01 - -/* TESTMODE */ -#define MGC_M_TEST_FORCE_HOST 0x80 -#define MGC_M_TEST_FIFO_ACCESS 0x40 -#define MGC_M_TEST_FORCE_FS 0x20 -#define MGC_M_TEST_FORCE_HS 0x10 -#define MGC_M_TEST_PACKET 0x08 -#define MGC_M_TEST_K 0x04 -#define MGC_M_TEST_J 0x02 -#define MGC_M_TEST_SE0_NAK 0x01 - -/* CSR0 */ -#define MGC_M_CSR0_FLUSHFIFO 0x0100 -#define MGC_M_CSR0_TXPKTRDY 0x0002 -#define MGC_M_CSR0_RXPKTRDY 0x0001 - -/* CSR0 in Peripheral mode */ -#define MGC_M_CSR0_P_SVDSETUPEND 0x0080 -#define MGC_M_CSR0_P_SVDRXPKTRDY 0x0040 -#define MGC_M_CSR0_P_SENDSTALL 0x0020 -#define MGC_M_CSR0_P_SETUPEND 0x0010 -#define MGC_M_CSR0_P_DATAEND 0x0008 -#define MGC_M_CSR0_P_SENTSTALL 0x0004 - -/* CSR0 in Host mode */ -#define MGC_M_CSR0_H_NO_PING 0x0800 -#define MGC_M_CSR0_H_WR_DATATOGGLE 0x0400 /* set to allow setting: */ -#define MGC_M_CSR0_H_DATATOGGLE 0x0200 /* data toggle control */ -#define MGC_M_CSR0_H_NAKTIMEOUT 0x0080 -#define MGC_M_CSR0_H_STATUSPKT 0x0040 -#define MGC_M_CSR0_H_REQPKT 0x0020 -#define MGC_M_CSR0_H_ERROR 0x0010 -#define MGC_M_CSR0_H_SETUPPKT 0x0008 -#define MGC_M_CSR0_H_RXSTALL 0x0004 - -/* CONFIGDATA */ -#define MGC_M_CONFIGDATA_MPRXE 0x80 /* auto bulk pkt combining */ -#define MGC_M_CONFIGDATA_MPTXE 0x40 /* auto bulk pkt splitting */ -#define MGC_M_CONFIGDATA_BIGENDIAN 0x20 -#define MGC_M_CONFIGDATA_HBRXE 0x10 /* HB-ISO for RX */ -#define MGC_M_CONFIGDATA_HBTXE 0x08 /* HB-ISO for TX */ -#define MGC_M_CONFIGDATA_DYNFIFO 0x04 /* dynamic FIFO sizing */ -#define MGC_M_CONFIGDATA_SOFTCONE 0x02 /* SoftConnect */ -#define MGC_M_CONFIGDATA_UTMIDW 0x01 /* Width, 0 => 8b, 1 => 16b */ - -/* TXCSR in Peripheral and Host mode */ -#define MGC_M_TXCSR_AUTOSET 0x8000 -#define MGC_M_TXCSR_ISO 0x4000 -#define MGC_M_TXCSR_MODE 0x2000 -#define MGC_M_TXCSR_DMAENAB 0x1000 -#define MGC_M_TXCSR_FRCDATATOG 0x0800 -#define MGC_M_TXCSR_DMAMODE 0x0400 -#define MGC_M_TXCSR_CLRDATATOG 0x0040 -#define MGC_M_TXCSR_FLUSHFIFO 0x0008 -#define MGC_M_TXCSR_FIFONOTEMPTY 0x0002 -#define MGC_M_TXCSR_TXPKTRDY 0x0001 - -/* TXCSR in Peripheral mode */ -#define MGC_M_TXCSR_P_INCOMPTX 0x0080 -#define MGC_M_TXCSR_P_SENTSTALL 0x0020 -#define MGC_M_TXCSR_P_SENDSTALL 0x0010 -#define MGC_M_TXCSR_P_UNDERRUN 0x0004 - -/* TXCSR in Host mode */ -#define MGC_M_TXCSR_H_WR_DATATOGGLE 0x0200 -#define MGC_M_TXCSR_H_DATATOGGLE 0x0100 -#define MGC_M_TXCSR_H_NAKTIMEOUT 0x0080 -#define MGC_M_TXCSR_H_RXSTALL 0x0020 -#define MGC_M_TXCSR_H_ERROR 0x0004 - -/* RXCSR in Peripheral and Host mode */ -#define MGC_M_RXCSR_AUTOCLEAR 0x8000 -#define MGC_M_RXCSR_DMAENAB 0x2000 -#define MGC_M_RXCSR_DISNYET 0x1000 -#define MGC_M_RXCSR_DMAMODE 0x0800 -#define MGC_M_RXCSR_INCOMPRX 0x0100 -#define MGC_M_RXCSR_CLRDATATOG 0x0080 -#define MGC_M_RXCSR_FLUSHFIFO 0x0010 -#define MGC_M_RXCSR_DATAERROR 0x0008 -#define MGC_M_RXCSR_FIFOFULL 0x0002 -#define MGC_M_RXCSR_RXPKTRDY 0x0001 - -/* RXCSR in Peripheral mode */ -#define MGC_M_RXCSR_P_ISO 0x4000 -#define MGC_M_RXCSR_P_SENTSTALL 0x0040 -#define MGC_M_RXCSR_P_SENDSTALL 0x0020 -#define MGC_M_RXCSR_P_OVERRUN 0x0004 - -/* RXCSR in Host mode */ -#define MGC_M_RXCSR_H_AUTOREQ 0x4000 -#define MGC_M_RXCSR_H_WR_DATATOGGLE 0x0400 -#define MGC_M_RXCSR_H_DATATOGGLE 0x0200 -#define MGC_M_RXCSR_H_RXSTALL 0x0040 -#define MGC_M_RXCSR_H_REQPKT 0x0020 -#define MGC_M_RXCSR_H_ERROR 0x0004 - -/* HUBADDR */ -#define MGC_M_HUBADDR_MULTI_TT 0x80 - -/* ULPI: Added in HDRC 1.9(?) & MHDRC 1.4 */ -#define MGC_M_ULPI_VBCTL_USEEXTVBUSIND 0x02 -#define MGC_M_ULPI_VBCTL_USEEXTVBUS 0x01 -#define MGC_M_ULPI_REGCTL_INT_ENABLE 0x08 -#define MGC_M_ULPI_REGCTL_READNOTWRITE 0x04 -#define MGC_M_ULPI_REGCTL_COMPLETE 0x02 -#define MGC_M_ULPI_REGCTL_REG 0x01 - -/* #define MUSB_DEBUG */ - -#ifdef MUSB_DEBUG -#define TRACE(fmt, ...) fprintf(stderr, "%s@%d: " fmt "\n", __func__, \ - __LINE__, ##__VA_ARGS__) -#else -#define TRACE(...) -#endif - - -static void musb_attach(USBPort *port); -static void musb_detach(USBPort *port); -static void musb_child_detach(USBPort *port, USBDevice *child); -static void musb_schedule_cb(USBPort *port, USBPacket *p); -static void musb_async_cancel_device(MUSBState *s, USBDevice *dev); - -static USBPortOps musb_port_ops = { - .attach = musb_attach, - .detach = musb_detach, - .child_detach = musb_child_detach, - .complete = musb_schedule_cb, -}; - -static USBBusOps musb_bus_ops = { -}; - -typedef struct MUSBPacket MUSBPacket; -typedef struct MUSBEndPoint MUSBEndPoint; - -struct MUSBPacket { - USBPacket p; - MUSBEndPoint *ep; - int dir; -}; - -struct MUSBEndPoint { - uint16_t faddr[2]; - uint8_t haddr[2]; - uint8_t hport[2]; - uint16_t csr[2]; - uint16_t maxp[2]; - uint16_t rxcount; - uint8_t type[2]; - uint8_t interval[2]; - uint8_t config; - uint8_t fifosize; - int timeout[2]; /* Always in microframes */ - - uint8_t *buf[2]; - int fifolen[2]; - int fifostart[2]; - int fifoaddr[2]; - MUSBPacket packey[2]; - int status[2]; - int ext_size[2]; - - /* For callbacks' use */ - int epnum; - int interrupt[2]; - MUSBState *musb; - USBCallback *delayed_cb[2]; - QEMUTimer *intv_timer[2]; -}; - -struct MUSBState { - qemu_irq irqs[musb_irq_max]; - USBBus bus; - USBPort port; - - int idx; - uint8_t devctl; - uint8_t power; - uint8_t faddr; - - uint8_t intr; - uint8_t mask; - uint16_t tx_intr; - uint16_t tx_mask; - uint16_t rx_intr; - uint16_t rx_mask; - - int setup_len; - int session; - - uint8_t buf[0x8000]; - - /* Duplicating the world since 2008!... probably we should have 32 - * logical, single endpoints instead. */ - MUSBEndPoint ep[16]; -}; - -void musb_reset(MUSBState *s) -{ - int i; - - s->faddr = 0x00; - s->devctl = 0; - s->power = MGC_M_POWER_HSENAB; - s->tx_intr = 0x0000; - s->rx_intr = 0x0000; - s->tx_mask = 0xffff; - s->rx_mask = 0xffff; - s->intr = 0x00; - s->mask = 0x06; - s->idx = 0; - - s->setup_len = 0; - s->session = 0; - memset(s->buf, 0, sizeof(s->buf)); - - /* TODO: _DW */ - s->ep[0].config = MGC_M_CONFIGDATA_SOFTCONE | MGC_M_CONFIGDATA_DYNFIFO; - for (i = 0; i < 16; i ++) { - s->ep[i].fifosize = 64; - s->ep[i].maxp[0] = 0x40; - s->ep[i].maxp[1] = 0x40; - s->ep[i].musb = s; - s->ep[i].epnum = i; - usb_packet_init(&s->ep[i].packey[0].p); - usb_packet_init(&s->ep[i].packey[1].p); - } -} - -struct MUSBState *musb_init(DeviceState *parent_device, int gpio_base) -{ - MUSBState *s = g_malloc0(sizeof(*s)); - int i; - - for (i = 0; i < musb_irq_max; i++) { - s->irqs[i] = qdev_get_gpio_in(parent_device, gpio_base + i); - } - - musb_reset(s); - - usb_bus_new(&s->bus, sizeof(s->bus), &musb_bus_ops, parent_device); - usb_register_port(&s->bus, &s->port, s, 0, &musb_port_ops, - USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); - - return s; -} - -static void musb_vbus_set(MUSBState *s, int level) -{ - if (level) - s->devctl |= 3 << MGC_S_DEVCTL_VBUS; - else - s->devctl &= ~MGC_M_DEVCTL_VBUS; - - qemu_set_irq(s->irqs[musb_set_vbus], level); -} - -static void musb_intr_set(MUSBState *s, int line, int level) -{ - if (!level) { - s->intr &= ~(1 << line); - qemu_irq_lower(s->irqs[line]); - } else if (s->mask & (1 << line)) { - s->intr |= 1 << line; - qemu_irq_raise(s->irqs[line]); - } -} - -static void musb_tx_intr_set(MUSBState *s, int line, int level) -{ - if (!level) { - s->tx_intr &= ~(1 << line); - if (!s->tx_intr) - qemu_irq_lower(s->irqs[musb_irq_tx]); - } else if (s->tx_mask & (1 << line)) { - s->tx_intr |= 1 << line; - qemu_irq_raise(s->irqs[musb_irq_tx]); - } -} - -static void musb_rx_intr_set(MUSBState *s, int line, int level) -{ - if (line) { - if (!level) { - s->rx_intr &= ~(1 << line); - if (!s->rx_intr) - qemu_irq_lower(s->irqs[musb_irq_rx]); - } else if (s->rx_mask & (1 << line)) { - s->rx_intr |= 1 << line; - qemu_irq_raise(s->irqs[musb_irq_rx]); - } - } else - musb_tx_intr_set(s, line, level); -} - -uint32_t musb_core_intr_get(MUSBState *s) -{ - return (s->rx_intr << 15) | s->tx_intr; -} - -void musb_core_intr_clear(MUSBState *s, uint32_t mask) -{ - if (s->rx_intr) { - s->rx_intr &= mask >> 15; - if (!s->rx_intr) - qemu_irq_lower(s->irqs[musb_irq_rx]); - } - - if (s->tx_intr) { - s->tx_intr &= mask & 0xffff; - if (!s->tx_intr) - qemu_irq_lower(s->irqs[musb_irq_tx]); - } -} - -void musb_set_size(MUSBState *s, int epnum, int size, int is_tx) -{ - s->ep[epnum].ext_size[!is_tx] = size; - s->ep[epnum].fifostart[0] = 0; - s->ep[epnum].fifostart[1] = 0; - s->ep[epnum].fifolen[0] = 0; - s->ep[epnum].fifolen[1] = 0; -} - -static void musb_session_update(MUSBState *s, int prev_dev, int prev_sess) -{ - int detect_prev = prev_dev && prev_sess; - int detect = !!s->port.dev && s->session; - - if (detect && !detect_prev) { - /* Let's skip the ID pin sense and VBUS sense formalities and - * and signal a successful SRP directly. This should work at least - * for the Linux driver stack. */ - musb_intr_set(s, musb_irq_connect, 1); - - if (s->port.dev->speed == USB_SPEED_LOW) { - s->devctl &= ~MGC_M_DEVCTL_FSDEV; - s->devctl |= MGC_M_DEVCTL_LSDEV; - } else { - s->devctl |= MGC_M_DEVCTL_FSDEV; - s->devctl &= ~MGC_M_DEVCTL_LSDEV; - } - - /* A-mode? */ - s->devctl &= ~MGC_M_DEVCTL_BDEVICE; - - /* Host-mode bit? */ - s->devctl |= MGC_M_DEVCTL_HM; -#if 1 - musb_vbus_set(s, 1); -#endif - } else if (!detect && detect_prev) { -#if 1 - musb_vbus_set(s, 0); -#endif - } -} - -/* Attach or detach a device on our only port. */ -static void musb_attach(USBPort *port) -{ - MUSBState *s = (MUSBState *) port->opaque; - - musb_intr_set(s, musb_irq_vbus_request, 1); - musb_session_update(s, 0, s->session); -} - -static void musb_detach(USBPort *port) -{ - MUSBState *s = (MUSBState *) port->opaque; - - musb_async_cancel_device(s, port->dev); - - musb_intr_set(s, musb_irq_disconnect, 1); - musb_session_update(s, 1, s->session); -} - -static void musb_child_detach(USBPort *port, USBDevice *child) -{ - MUSBState *s = (MUSBState *) port->opaque; - - musb_async_cancel_device(s, child); -} - -static void musb_cb_tick0(void *opaque) -{ - MUSBEndPoint *ep = (MUSBEndPoint *) opaque; - - ep->delayed_cb[0](&ep->packey[0].p, opaque); -} - -static void musb_cb_tick1(void *opaque) -{ - MUSBEndPoint *ep = (MUSBEndPoint *) opaque; - - ep->delayed_cb[1](&ep->packey[1].p, opaque); -} - -#define musb_cb_tick (dir ? musb_cb_tick1 : musb_cb_tick0) - -static void musb_schedule_cb(USBPort *port, USBPacket *packey) -{ - MUSBPacket *p = container_of(packey, MUSBPacket, p); - MUSBEndPoint *ep = p->ep; - int dir = p->dir; - int timeout = 0; - - if (ep->status[dir] == USB_RET_NAK) - timeout = ep->timeout[dir]; - else if (ep->interrupt[dir]) - timeout = 8; - else { - musb_cb_tick(ep); - return; - } - - if (!ep->intv_timer[dir]) - ep->intv_timer[dir] = timer_new_ns(QEMU_CLOCK_VIRTUAL, musb_cb_tick, ep); - - timer_mod(ep->intv_timer[dir], qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - muldiv64(timeout, NANOSECONDS_PER_SECOND, 8000)); -} - -static int musb_timeout(int ttype, int speed, int val) -{ -#if 1 - return val << 3; -#endif - - switch (ttype) { - case USB_ENDPOINT_XFER_CONTROL: - if (val < 2) - return 0; - else if (speed == USB_SPEED_HIGH) - return 1 << (val - 1); - else - return 8 << (val - 1); - - case USB_ENDPOINT_XFER_INT: - if (speed == USB_SPEED_HIGH) - if (val < 2) - return 0; - else - return 1 << (val - 1); - else - return val << 3; - - case USB_ENDPOINT_XFER_BULK: - case USB_ENDPOINT_XFER_ISOC: - if (val < 2) - return 0; - else if (speed == USB_SPEED_HIGH) - return 1 << (val - 1); - else - return 8 << (val - 1); - /* TODO: what with low-speed Bulk and Isochronous? */ - } - - hw_error("bad interval\n"); -} - -static void musb_packet(MUSBState *s, MUSBEndPoint *ep, - int epnum, int pid, int len, USBCallback cb, int dir) -{ - USBDevice *dev; - USBEndpoint *uep; - int idx = epnum && dir; - int id; - int ttype; - - /* ep->type[0,1] contains: - * in bits 7:6 the speed (0 - invalid, 1 - high, 2 - full, 3 - slow) - * in bits 5:4 the transfer type (BULK / INT) - * in bits 3:0 the EP num - */ - ttype = epnum ? (ep->type[idx] >> 4) & 3 : 0; - - ep->timeout[dir] = musb_timeout(ttype, - ep->type[idx] >> 6, ep->interval[idx]); - ep->interrupt[dir] = ttype == USB_ENDPOINT_XFER_INT; - ep->delayed_cb[dir] = cb; - - /* A wild guess on the FADDR semantics... */ - dev = usb_find_device(&s->port, ep->faddr[idx]); - if (dev == NULL) { - return; - } - uep = usb_ep_get(dev, pid, ep->type[idx] & 0xf); - id = pid | (dev->addr << 16) | (uep->nr << 8); - usb_packet_setup(&ep->packey[dir].p, pid, uep, 0, id, false, true); - usb_packet_addbuf(&ep->packey[dir].p, ep->buf[idx], len); - ep->packey[dir].ep = ep; - ep->packey[dir].dir = dir; - - usb_handle_packet(dev, &ep->packey[dir].p); - - if (ep->packey[dir].p.status == USB_RET_ASYNC) { - usb_device_flush_ep_queue(dev, uep); - ep->status[dir] = len; - return; - } - - if (ep->packey[dir].p.status == USB_RET_SUCCESS) { - ep->status[dir] = ep->packey[dir].p.actual_length; - } else { - ep->status[dir] = ep->packey[dir].p.status; - } - musb_schedule_cb(&s->port, &ep->packey[dir].p); -} - -static void musb_tx_packet_complete(USBPacket *packey, void *opaque) -{ - /* Unfortunately we can't use packey->devep because that's the remote - * endpoint number and may be different than our local. */ - MUSBEndPoint *ep = (MUSBEndPoint *) opaque; - int epnum = ep->epnum; - MUSBState *s = ep->musb; - - ep->fifostart[0] = 0; - ep->fifolen[0] = 0; -#ifdef CLEAR_NAK - if (ep->status[0] != USB_RET_NAK) { -#endif - if (epnum) - ep->csr[0] &= ~(MGC_M_TXCSR_FIFONOTEMPTY | MGC_M_TXCSR_TXPKTRDY); - else - ep->csr[0] &= ~MGC_M_CSR0_TXPKTRDY; -#ifdef CLEAR_NAK - } -#endif - - /* Clear all of the error bits first */ - if (epnum) - ep->csr[0] &= ~(MGC_M_TXCSR_H_ERROR | MGC_M_TXCSR_H_RXSTALL | - MGC_M_TXCSR_H_NAKTIMEOUT); - else - ep->csr[0] &= ~(MGC_M_CSR0_H_ERROR | MGC_M_CSR0_H_RXSTALL | - MGC_M_CSR0_H_NAKTIMEOUT | MGC_M_CSR0_H_NO_PING); - - if (ep->status[0] == USB_RET_STALL) { - /* Command not supported by target! */ - ep->status[0] = 0; - - if (epnum) - ep->csr[0] |= MGC_M_TXCSR_H_RXSTALL; - else - ep->csr[0] |= MGC_M_CSR0_H_RXSTALL; - } - - if (ep->status[0] == USB_RET_NAK) { - ep->status[0] = 0; - - /* NAK timeouts are only generated in Bulk transfers and - * Data-errors in Isochronous. */ - if (ep->interrupt[0]) { - return; - } - - if (epnum) - ep->csr[0] |= MGC_M_TXCSR_H_NAKTIMEOUT; - else - ep->csr[0] |= MGC_M_CSR0_H_NAKTIMEOUT; - } - - if (ep->status[0] < 0) { - if (ep->status[0] == USB_RET_BABBLE) - musb_intr_set(s, musb_irq_rst_babble, 1); - - /* Pretend we've tried three times already and failed (in - * case of USB_TOKEN_SETUP). */ - if (epnum) - ep->csr[0] |= MGC_M_TXCSR_H_ERROR; - else - ep->csr[0] |= MGC_M_CSR0_H_ERROR; - - musb_tx_intr_set(s, epnum, 1); - return; - } - /* TODO: check len for over/underruns of an OUT packet? */ - -#ifdef SETUPLEN_HACK - if (!epnum && ep->packey[0].pid == USB_TOKEN_SETUP) - s->setup_len = ep->packey[0].data[6]; -#endif - - /* In DMA mode: if no error, assert DMA request for this EP, - * and skip the interrupt. */ - musb_tx_intr_set(s, epnum, 1); -} - -static void musb_rx_packet_complete(USBPacket *packey, void *opaque) -{ - /* Unfortunately we can't use packey->devep because that's the remote - * endpoint number and may be different than our local. */ - MUSBEndPoint *ep = (MUSBEndPoint *) opaque; - int epnum = ep->epnum; - MUSBState *s = ep->musb; - - ep->fifostart[1] = 0; - ep->fifolen[1] = 0; - -#ifdef CLEAR_NAK - if (ep->status[1] != USB_RET_NAK) { -#endif - ep->csr[1] &= ~MGC_M_RXCSR_H_REQPKT; - if (!epnum) - ep->csr[0] &= ~MGC_M_CSR0_H_REQPKT; -#ifdef CLEAR_NAK - } -#endif - - /* Clear all of the imaginable error bits first */ - ep->csr[1] &= ~(MGC_M_RXCSR_H_ERROR | MGC_M_RXCSR_H_RXSTALL | - MGC_M_RXCSR_DATAERROR); - if (!epnum) - ep->csr[0] &= ~(MGC_M_CSR0_H_ERROR | MGC_M_CSR0_H_RXSTALL | - MGC_M_CSR0_H_NAKTIMEOUT | MGC_M_CSR0_H_NO_PING); - - if (ep->status[1] == USB_RET_STALL) { - ep->status[1] = 0; - - ep->csr[1] |= MGC_M_RXCSR_H_RXSTALL; - if (!epnum) - ep->csr[0] |= MGC_M_CSR0_H_RXSTALL; - } - - if (ep->status[1] == USB_RET_NAK) { - ep->status[1] = 0; - - /* NAK timeouts are only generated in Bulk transfers and - * Data-errors in Isochronous. */ - if (ep->interrupt[1]) { - musb_packet(s, ep, epnum, USB_TOKEN_IN, - packey->iov.size, musb_rx_packet_complete, 1); - return; - } - - ep->csr[1] |= MGC_M_RXCSR_DATAERROR; - if (!epnum) - ep->csr[0] |= MGC_M_CSR0_H_NAKTIMEOUT; - } - - if (ep->status[1] < 0) { - if (ep->status[1] == USB_RET_BABBLE) { - musb_intr_set(s, musb_irq_rst_babble, 1); - return; - } - - /* Pretend we've tried three times already and failed (in - * case of a control transfer). */ - ep->csr[1] |= MGC_M_RXCSR_H_ERROR; - if (!epnum) - ep->csr[0] |= MGC_M_CSR0_H_ERROR; - - musb_rx_intr_set(s, epnum, 1); - return; - } - /* TODO: check len for over/underruns of an OUT packet? */ - /* TODO: perhaps make use of e->ext_size[1] here. */ - - if (!(ep->csr[1] & (MGC_M_RXCSR_H_RXSTALL | MGC_M_RXCSR_DATAERROR))) { - ep->csr[1] |= MGC_M_RXCSR_FIFOFULL | MGC_M_RXCSR_RXPKTRDY; - if (!epnum) - ep->csr[0] |= MGC_M_CSR0_RXPKTRDY; - - ep->rxcount = ep->status[1]; /* XXX: MIN(packey->len, ep->maxp[1]); */ - /* In DMA mode: assert DMA request for this EP */ - } - - /* Only if DMA has not been asserted */ - musb_rx_intr_set(s, epnum, 1); -} - -static void musb_async_cancel_device(MUSBState *s, USBDevice *dev) -{ - int ep, dir; - - for (ep = 0; ep < 16; ep++) { - for (dir = 0; dir < 2; dir++) { - if (!usb_packet_is_inflight(&s->ep[ep].packey[dir].p) || - s->ep[ep].packey[dir].p.ep->dev != dev) { - continue; - } - usb_cancel_packet(&s->ep[ep].packey[dir].p); - /* status updates needed here? */ - } - } -} - -static void musb_tx_rdy(MUSBState *s, int epnum) -{ - MUSBEndPoint *ep = s->ep + epnum; - int pid; - int total, valid = 0; - TRACE("start %d, len %d", ep->fifostart[0], ep->fifolen[0] ); - ep->fifostart[0] += ep->fifolen[0]; - ep->fifolen[0] = 0; - - /* XXX: how's the total size of the packet retrieved exactly in - * the generic case? */ - total = ep->maxp[0] & 0x3ff; - - if (ep->ext_size[0]) { - total = ep->ext_size[0]; - ep->ext_size[0] = 0; - valid = 1; - } - - /* If the packet is not fully ready yet, wait for a next segment. */ - if (epnum && (ep->fifostart[0]) < total) - return; - - if (!valid) - total = ep->fifostart[0]; - - pid = USB_TOKEN_OUT; - if (!epnum && (ep->csr[0] & MGC_M_CSR0_H_SETUPPKT)) { - pid = USB_TOKEN_SETUP; - if (total != 8) { - TRACE("illegal SETUPPKT length of %i bytes", total); - } - /* Controller should retry SETUP packets three times on errors - * but it doesn't make sense for us to do that. */ - } - - musb_packet(s, ep, epnum, pid, total, musb_tx_packet_complete, 0); -} - -static void musb_rx_req(MUSBState *s, int epnum) -{ - MUSBEndPoint *ep = s->ep + epnum; - int total; - - /* If we already have a packet, which didn't fit into the - * 64 bytes of the FIFO, only move the FIFO start and return. (Obsolete) */ - if (ep->packey[1].p.pid == USB_TOKEN_IN && ep->status[1] >= 0 && - (ep->fifostart[1]) + ep->rxcount < - ep->packey[1].p.iov.size) { - TRACE("0x%08x, %d", ep->fifostart[1], ep->rxcount ); - ep->fifostart[1] += ep->rxcount; - ep->fifolen[1] = 0; - - ep->rxcount = MIN(ep->packey[0].p.iov.size - (ep->fifostart[1]), - ep->maxp[1]); - - ep->csr[1] &= ~MGC_M_RXCSR_H_REQPKT; - if (!epnum) - ep->csr[0] &= ~MGC_M_CSR0_H_REQPKT; - - /* Clear all of the error bits first */ - ep->csr[1] &= ~(MGC_M_RXCSR_H_ERROR | MGC_M_RXCSR_H_RXSTALL | - MGC_M_RXCSR_DATAERROR); - if (!epnum) - ep->csr[0] &= ~(MGC_M_CSR0_H_ERROR | MGC_M_CSR0_H_RXSTALL | - MGC_M_CSR0_H_NAKTIMEOUT | MGC_M_CSR0_H_NO_PING); - - ep->csr[1] |= MGC_M_RXCSR_FIFOFULL | MGC_M_RXCSR_RXPKTRDY; - if (!epnum) - ep->csr[0] |= MGC_M_CSR0_RXPKTRDY; - musb_rx_intr_set(s, epnum, 1); - return; - } - - /* The driver sets maxp[1] to 64 or less because it knows the hardware - * FIFO is this deep. Bigger packets get split in - * usb_generic_handle_packet but we can also do the splitting locally - * for performance. It turns out we can also have a bigger FIFO and - * ignore the limit set in ep->maxp[1]. The Linux MUSB driver deals - * OK with single packets of even 32KB and we avoid splitting, however - * usb_msd.c sometimes sends a packet bigger than what Linux expects - * (e.g. 8192 bytes instead of 4096) and we get an OVERRUN. Splitting - * hides this overrun from Linux. Up to 4096 everything is fine - * though. Currently this is disabled. - * - * XXX: mind ep->fifosize. */ - total = MIN(ep->maxp[1] & 0x3ff, sizeof(s->buf)); - -#ifdef SETUPLEN_HACK - /* Why should *we* do that instead of Linux? */ - if (!epnum) { - if (ep->packey[0].p.devaddr == 2) { - total = MIN(s->setup_len, 8); - } else { - total = MIN(s->setup_len, 64); - } - s->setup_len -= total; - } -#endif - - musb_packet(s, ep, epnum, USB_TOKEN_IN, total, musb_rx_packet_complete, 1); -} - -static uint8_t musb_read_fifo(MUSBEndPoint *ep) -{ - uint8_t value; - if (ep->fifolen[1] >= 64) { - /* We have a FIFO underrun */ - TRACE("EP%d FIFO is now empty, stop reading", ep->epnum); - return 0x00000000; - } - /* In DMA mode clear RXPKTRDY and set REQPKT automatically - * (if AUTOREQ is set) */ - - ep->csr[1] &= ~MGC_M_RXCSR_FIFOFULL; - value=ep->buf[1][ep->fifostart[1] + ep->fifolen[1] ++]; - TRACE("EP%d 0x%02x, %d", ep->epnum, value, ep->fifolen[1] ); - return value; -} - -static void musb_write_fifo(MUSBEndPoint *ep, uint8_t value) -{ - TRACE("EP%d = %02x", ep->epnum, value); - if (ep->fifolen[0] >= 64) { - /* We have a FIFO overrun */ - TRACE("EP%d FIFO exceeded 64 bytes, stop feeding data", ep->epnum); - return; - } - - ep->buf[0][ep->fifostart[0] + ep->fifolen[0] ++] = value; - ep->csr[0] |= MGC_M_TXCSR_FIFONOTEMPTY; -} - -static void musb_ep_frame_cancel(MUSBEndPoint *ep, int dir) -{ - if (ep->intv_timer[dir]) - timer_del(ep->intv_timer[dir]); -} - -/* Bus control */ -static uint8_t musb_busctl_readb(void *opaque, int ep, int addr) -{ - MUSBState *s = (MUSBState *) opaque; - - switch (addr) { - /* For USB2.0 HS hubs only */ - case MUSB_HDRC_TXHUBADDR: - return s->ep[ep].haddr[0]; - case MUSB_HDRC_TXHUBPORT: - return s->ep[ep].hport[0]; - case MUSB_HDRC_RXHUBADDR: - return s->ep[ep].haddr[1]; - case MUSB_HDRC_RXHUBPORT: - return s->ep[ep].hport[1]; - - default: - TRACE("unknown register 0x%02x", addr); - return 0x00; - }; -} - -static void musb_busctl_writeb(void *opaque, int ep, int addr, uint8_t value) -{ - MUSBState *s = (MUSBState *) opaque; - - switch (addr) { - case MUSB_HDRC_TXFUNCADDR: - s->ep[ep].faddr[0] = value; - break; - case MUSB_HDRC_RXFUNCADDR: - s->ep[ep].faddr[1] = value; - break; - case MUSB_HDRC_TXHUBADDR: - s->ep[ep].haddr[0] = value; - break; - case MUSB_HDRC_TXHUBPORT: - s->ep[ep].hport[0] = value; - break; - case MUSB_HDRC_RXHUBADDR: - s->ep[ep].haddr[1] = value; - break; - case MUSB_HDRC_RXHUBPORT: - s->ep[ep].hport[1] = value; - break; - - default: - TRACE("unknown register 0x%02x", addr); - break; - }; -} - -static uint16_t musb_busctl_readh(void *opaque, int ep, int addr) -{ - MUSBState *s = (MUSBState *) opaque; - - switch (addr) { - case MUSB_HDRC_TXFUNCADDR: - return s->ep[ep].faddr[0]; - case MUSB_HDRC_RXFUNCADDR: - return s->ep[ep].faddr[1]; - - default: - return musb_busctl_readb(s, ep, addr) | - (musb_busctl_readb(s, ep, addr | 1) << 8); - }; -} - -static void musb_busctl_writeh(void *opaque, int ep, int addr, uint16_t value) -{ - MUSBState *s = (MUSBState *) opaque; - - switch (addr) { - case MUSB_HDRC_TXFUNCADDR: - s->ep[ep].faddr[0] = value; - break; - case MUSB_HDRC_RXFUNCADDR: - s->ep[ep].faddr[1] = value; - break; - - default: - musb_busctl_writeb(s, ep, addr, value & 0xff); - musb_busctl_writeb(s, ep, addr | 1, value >> 8); - }; -} - -/* Endpoint control */ -static uint8_t musb_ep_readb(void *opaque, int ep, int addr) -{ - MUSBState *s = (MUSBState *) opaque; - - switch (addr) { - case MUSB_HDRC_TXTYPE: - return s->ep[ep].type[0]; - case MUSB_HDRC_TXINTERVAL: - return s->ep[ep].interval[0]; - case MUSB_HDRC_RXTYPE: - return s->ep[ep].type[1]; - case MUSB_HDRC_RXINTERVAL: - return s->ep[ep].interval[1]; - case (MUSB_HDRC_FIFOSIZE & ~1): - return 0x00; - case MUSB_HDRC_FIFOSIZE: - return ep ? s->ep[ep].fifosize : s->ep[ep].config; - case MUSB_HDRC_RXCOUNT: - return s->ep[ep].rxcount; - - default: - TRACE("unknown register 0x%02x", addr); - return 0x00; - }; -} - -static void musb_ep_writeb(void *opaque, int ep, int addr, uint8_t value) -{ - MUSBState *s = (MUSBState *) opaque; - - switch (addr) { - case MUSB_HDRC_TXTYPE: - s->ep[ep].type[0] = value; - break; - case MUSB_HDRC_TXINTERVAL: - s->ep[ep].interval[0] = value; - musb_ep_frame_cancel(&s->ep[ep], 0); - break; - case MUSB_HDRC_RXTYPE: - s->ep[ep].type[1] = value; - break; - case MUSB_HDRC_RXINTERVAL: - s->ep[ep].interval[1] = value; - musb_ep_frame_cancel(&s->ep[ep], 1); - break; - case (MUSB_HDRC_FIFOSIZE & ~1): - break; - case MUSB_HDRC_FIFOSIZE: - TRACE("somebody messes with fifosize (now %i bytes)", value); - s->ep[ep].fifosize = value; - break; - default: - TRACE("unknown register 0x%02x", addr); - break; - }; -} - -static uint16_t musb_ep_readh(void *opaque, int ep, int addr) -{ - MUSBState *s = (MUSBState *) opaque; - uint16_t ret; - - switch (addr) { - case MUSB_HDRC_TXMAXP: - return s->ep[ep].maxp[0]; - case MUSB_HDRC_TXCSR: - return s->ep[ep].csr[0]; - case MUSB_HDRC_RXMAXP: - return s->ep[ep].maxp[1]; - case MUSB_HDRC_RXCSR: - ret = s->ep[ep].csr[1]; - - /* TODO: This and other bits probably depend on - * ep->csr[1] & MGC_M_RXCSR_AUTOCLEAR. */ - if (s->ep[ep].csr[1] & MGC_M_RXCSR_AUTOCLEAR) - s->ep[ep].csr[1] &= ~MGC_M_RXCSR_RXPKTRDY; - - return ret; - case MUSB_HDRC_RXCOUNT: - return s->ep[ep].rxcount; - - default: - return musb_ep_readb(s, ep, addr) | - (musb_ep_readb(s, ep, addr | 1) << 8); - }; -} - -static void musb_ep_writeh(void *opaque, int ep, int addr, uint16_t value) -{ - MUSBState *s = (MUSBState *) opaque; - - switch (addr) { - case MUSB_HDRC_TXMAXP: - s->ep[ep].maxp[0] = value; - break; - case MUSB_HDRC_TXCSR: - if (ep) { - s->ep[ep].csr[0] &= value & 0xa6; - s->ep[ep].csr[0] |= value & 0xff59; - } else { - s->ep[ep].csr[0] &= value & 0x85; - s->ep[ep].csr[0] |= value & 0xf7a; - } - - musb_ep_frame_cancel(&s->ep[ep], 0); - - if ((ep && (value & MGC_M_TXCSR_FLUSHFIFO)) || - (!ep && (value & MGC_M_CSR0_FLUSHFIFO))) { - s->ep[ep].fifolen[0] = 0; - s->ep[ep].fifostart[0] = 0; - if (ep) - s->ep[ep].csr[0] &= - ~(MGC_M_TXCSR_FIFONOTEMPTY | MGC_M_TXCSR_TXPKTRDY); - else - s->ep[ep].csr[0] &= - ~(MGC_M_CSR0_TXPKTRDY | MGC_M_CSR0_RXPKTRDY); - } - if ( - (ep && -#ifdef CLEAR_NAK - (value & MGC_M_TXCSR_TXPKTRDY) && - !(value & MGC_M_TXCSR_H_NAKTIMEOUT)) || -#else - (value & MGC_M_TXCSR_TXPKTRDY)) || -#endif - (!ep && -#ifdef CLEAR_NAK - (value & MGC_M_CSR0_TXPKTRDY) && - !(value & MGC_M_CSR0_H_NAKTIMEOUT))) -#else - (value & MGC_M_CSR0_TXPKTRDY))) -#endif - musb_tx_rdy(s, ep); - if (!ep && - (value & MGC_M_CSR0_H_REQPKT) && -#ifdef CLEAR_NAK - !(value & (MGC_M_CSR0_H_NAKTIMEOUT | - MGC_M_CSR0_RXPKTRDY))) -#else - !(value & MGC_M_CSR0_RXPKTRDY)) -#endif - musb_rx_req(s, ep); - break; - - case MUSB_HDRC_RXMAXP: - s->ep[ep].maxp[1] = value; - break; - case MUSB_HDRC_RXCSR: - /* (DMA mode only) */ - if ( - (value & MGC_M_RXCSR_H_AUTOREQ) && - !(value & MGC_M_RXCSR_RXPKTRDY) && - (s->ep[ep].csr[1] & MGC_M_RXCSR_RXPKTRDY)) - value |= MGC_M_RXCSR_H_REQPKT; - - s->ep[ep].csr[1] &= 0x102 | (value & 0x4d); - s->ep[ep].csr[1] |= value & 0xfeb0; - - musb_ep_frame_cancel(&s->ep[ep], 1); - - if (value & MGC_M_RXCSR_FLUSHFIFO) { - s->ep[ep].fifolen[1] = 0; - s->ep[ep].fifostart[1] = 0; - s->ep[ep].csr[1] &= ~(MGC_M_RXCSR_FIFOFULL | MGC_M_RXCSR_RXPKTRDY); - /* If double buffering and we have two packets ready, flush - * only the first one and set up the fifo at the second packet. */ - } -#ifdef CLEAR_NAK - if ((value & MGC_M_RXCSR_H_REQPKT) && !(value & MGC_M_RXCSR_DATAERROR)) -#else - if (value & MGC_M_RXCSR_H_REQPKT) -#endif - musb_rx_req(s, ep); - break; - case MUSB_HDRC_RXCOUNT: - s->ep[ep].rxcount = value; - break; - - default: - musb_ep_writeb(s, ep, addr, value & 0xff); - musb_ep_writeb(s, ep, addr | 1, value >> 8); - }; -} - -/* Generic control */ -static uint32_t musb_readb(void *opaque, hwaddr addr) -{ - MUSBState *s = (MUSBState *) opaque; - int ep, i; - uint8_t ret; - - switch (addr) { - case MUSB_HDRC_FADDR: - return s->faddr; - case MUSB_HDRC_POWER: - return s->power; - case MUSB_HDRC_INTRUSB: - ret = s->intr; - for (i = 0; i < sizeof(ret) * 8; i ++) - if (ret & (1 << i)) - musb_intr_set(s, i, 0); - return ret; - case MUSB_HDRC_INTRUSBE: - return s->mask; - case MUSB_HDRC_INDEX: - return s->idx; - case MUSB_HDRC_TESTMODE: - return 0x00; - - case MUSB_HDRC_EP_IDX ... (MUSB_HDRC_EP_IDX + 0xf): - return musb_ep_readb(s, s->idx, addr & 0xf); - - case MUSB_HDRC_DEVCTL: - return s->devctl; - - case MUSB_HDRC_TXFIFOSZ: - case MUSB_HDRC_RXFIFOSZ: - case MUSB_HDRC_VCTRL: - /* TODO */ - return 0x00; - - case MUSB_HDRC_HWVERS: - return (1 << 10) | 400; - - case (MUSB_HDRC_VCTRL | 1): - case (MUSB_HDRC_HWVERS | 1): - case (MUSB_HDRC_DEVCTL | 1): - return 0x00; - - case MUSB_HDRC_BUSCTL ... (MUSB_HDRC_BUSCTL + 0x7f): - ep = (addr >> 3) & 0xf; - return musb_busctl_readb(s, ep, addr & 0x7); - - case MUSB_HDRC_EP ... (MUSB_HDRC_EP + 0xff): - ep = (addr >> 4) & 0xf; - return musb_ep_readb(s, ep, addr & 0xf); - - case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f): - ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf; - return musb_read_fifo(s->ep + ep); - - default: - TRACE("unknown register 0x%02x", (int) addr); - return 0x00; - }; -} - -static void musb_writeb(void *opaque, hwaddr addr, uint32_t value) -{ - MUSBState *s = (MUSBState *) opaque; - int ep; - - switch (addr) { - case MUSB_HDRC_FADDR: - s->faddr = value & 0x7f; - break; - case MUSB_HDRC_POWER: - s->power = (value & 0xef) | (s->power & 0x10); - /* MGC_M_POWER_RESET is also read-only in Peripheral Mode */ - if ((value & MGC_M_POWER_RESET) && s->port.dev) { - usb_device_reset(s->port.dev); - /* Negotiate high-speed operation if MGC_M_POWER_HSENAB is set. */ - if ((value & MGC_M_POWER_HSENAB) && - s->port.dev->speed == USB_SPEED_HIGH) - s->power |= MGC_M_POWER_HSMODE; /* Success */ - /* Restart frame counting. */ - } - if (value & MGC_M_POWER_SUSPENDM) { - /* When all transfers finish, suspend and if MGC_M_POWER_ENSUSPEND - * is set, also go into low power mode. Frame counting stops. */ - /* XXX: Cleared when the interrupt register is read */ - } - if (value & MGC_M_POWER_RESUME) { - /* Wait 20ms and signal resuming on the bus. Frame counting - * restarts. */ - } - break; - case MUSB_HDRC_INTRUSB: - break; - case MUSB_HDRC_INTRUSBE: - s->mask = value & 0xff; - break; - case MUSB_HDRC_INDEX: - s->idx = value & 0xf; - break; - case MUSB_HDRC_TESTMODE: - break; - - case MUSB_HDRC_EP_IDX ... (MUSB_HDRC_EP_IDX + 0xf): - musb_ep_writeb(s, s->idx, addr & 0xf, value); - break; - - case MUSB_HDRC_DEVCTL: - s->session = !!(value & MGC_M_DEVCTL_SESSION); - musb_session_update(s, - !!s->port.dev, - !!(s->devctl & MGC_M_DEVCTL_SESSION)); - - /* It seems this is the only R/W bit in this register? */ - s->devctl &= ~MGC_M_DEVCTL_SESSION; - s->devctl |= value & MGC_M_DEVCTL_SESSION; - break; - - case MUSB_HDRC_TXFIFOSZ: - case MUSB_HDRC_RXFIFOSZ: - case MUSB_HDRC_VCTRL: - /* TODO */ - break; - - case (MUSB_HDRC_VCTRL | 1): - case (MUSB_HDRC_DEVCTL | 1): - break; - - case MUSB_HDRC_BUSCTL ... (MUSB_HDRC_BUSCTL + 0x7f): - ep = (addr >> 3) & 0xf; - musb_busctl_writeb(s, ep, addr & 0x7, value); - break; - - case MUSB_HDRC_EP ... (MUSB_HDRC_EP + 0xff): - ep = (addr >> 4) & 0xf; - musb_ep_writeb(s, ep, addr & 0xf, value); - break; - - case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f): - ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf; - musb_write_fifo(s->ep + ep, value & 0xff); - break; - - default: - TRACE("unknown register 0x%02x", (int) addr); - break; - }; -} - -static uint32_t musb_readh(void *opaque, hwaddr addr) -{ - MUSBState *s = (MUSBState *) opaque; - int ep, i; - uint16_t ret; - - switch (addr) { - case MUSB_HDRC_INTRTX: - ret = s->tx_intr; - /* Auto clear */ - for (i = 0; i < sizeof(ret) * 8; i ++) - if (ret & (1 << i)) - musb_tx_intr_set(s, i, 0); - return ret; - case MUSB_HDRC_INTRRX: - ret = s->rx_intr; - /* Auto clear */ - for (i = 0; i < sizeof(ret) * 8; i ++) - if (ret & (1 << i)) - musb_rx_intr_set(s, i, 0); - return ret; - case MUSB_HDRC_INTRTXE: - return s->tx_mask; - case MUSB_HDRC_INTRRXE: - return s->rx_mask; - - case MUSB_HDRC_FRAME: - /* TODO */ - return 0x0000; - case MUSB_HDRC_TXFIFOADDR: - return s->ep[s->idx].fifoaddr[0]; - case MUSB_HDRC_RXFIFOADDR: - return s->ep[s->idx].fifoaddr[1]; - - case MUSB_HDRC_EP_IDX ... (MUSB_HDRC_EP_IDX + 0xf): - return musb_ep_readh(s, s->idx, addr & 0xf); - - case MUSB_HDRC_BUSCTL ... (MUSB_HDRC_BUSCTL + 0x7f): - ep = (addr >> 3) & 0xf; - return musb_busctl_readh(s, ep, addr & 0x7); - - case MUSB_HDRC_EP ... (MUSB_HDRC_EP + 0xff): - ep = (addr >> 4) & 0xf; - return musb_ep_readh(s, ep, addr & 0xf); - - case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f): - ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf; - return (musb_read_fifo(s->ep + ep) | musb_read_fifo(s->ep + ep) << 8); - - default: - return musb_readb(s, addr) | (musb_readb(s, addr | 1) << 8); - }; -} - -static void musb_writeh(void *opaque, hwaddr addr, uint32_t value) -{ - MUSBState *s = (MUSBState *) opaque; - int ep; - - switch (addr) { - case MUSB_HDRC_INTRTXE: - s->tx_mask = value; - /* XXX: the masks seem to apply on the raising edge like with - * edge-triggered interrupts, thus no need to update. I may be - * wrong though. */ - break; - case MUSB_HDRC_INTRRXE: - s->rx_mask = value; - break; - - case MUSB_HDRC_FRAME: - /* TODO */ - break; - case MUSB_HDRC_TXFIFOADDR: - s->ep[s->idx].fifoaddr[0] = value; - s->ep[s->idx].buf[0] = - s->buf + ((value << 3) & 0x7ff ); - break; - case MUSB_HDRC_RXFIFOADDR: - s->ep[s->idx].fifoaddr[1] = value; - s->ep[s->idx].buf[1] = - s->buf + ((value << 3) & 0x7ff); - break; - - case MUSB_HDRC_EP_IDX ... (MUSB_HDRC_EP_IDX + 0xf): - musb_ep_writeh(s, s->idx, addr & 0xf, value); - break; - - case MUSB_HDRC_BUSCTL ... (MUSB_HDRC_BUSCTL + 0x7f): - ep = (addr >> 3) & 0xf; - musb_busctl_writeh(s, ep, addr & 0x7, value); - break; - - case MUSB_HDRC_EP ... (MUSB_HDRC_EP + 0xff): - ep = (addr >> 4) & 0xf; - musb_ep_writeh(s, ep, addr & 0xf, value); - break; - - case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f): - ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf; - musb_write_fifo(s->ep + ep, value & 0xff); - musb_write_fifo(s->ep + ep, (value >> 8) & 0xff); - break; - - default: - musb_writeb(s, addr, value & 0xff); - musb_writeb(s, addr | 1, value >> 8); - }; -} - -static uint32_t musb_readw(void *opaque, hwaddr addr) -{ - MUSBState *s = (MUSBState *) opaque; - int ep; - - switch (addr) { - case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f): - ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf; - return ( musb_read_fifo(s->ep + ep) | - musb_read_fifo(s->ep + ep) << 8 | - musb_read_fifo(s->ep + ep) << 16 | - musb_read_fifo(s->ep + ep) << 24 ); - default: - TRACE("unknown register 0x%02x", (int) addr); - return 0x00000000; - }; -} - -static void musb_writew(void *opaque, hwaddr addr, uint32_t value) -{ - MUSBState *s = (MUSBState *) opaque; - int ep; - - switch (addr) { - case MUSB_HDRC_FIFO ... (MUSB_HDRC_FIFO + 0x3f): - ep = ((addr - MUSB_HDRC_FIFO) >> 2) & 0xf; - musb_write_fifo(s->ep + ep, value & 0xff); - musb_write_fifo(s->ep + ep, (value >> 8 ) & 0xff); - musb_write_fifo(s->ep + ep, (value >> 16) & 0xff); - musb_write_fifo(s->ep + ep, (value >> 24) & 0xff); - break; - default: - TRACE("unknown register 0x%02x", (int) addr); - break; - }; -} - -MUSBReadFunc * const musb_read[] = { - musb_readb, - musb_readh, - musb_readw, -}; - -MUSBWriteFunc * const musb_write[] = { - musb_writeb, - musb_writeh, - musb_writew, -}; diff --git a/hw/usb/meson.build b/hw/usb/meson.build index d7de1003e3..1b4d1507e4 100644 --- a/hw/usb/meson.build +++ b/hw/usb/meson.build @@ -23,11 +23,9 @@ system_ss.add(when: 'CONFIG_USB_XHCI', if_true: files('hcd-xhci.c')) system_ss.add(when: 'CONFIG_USB_XHCI_PCI', if_true: files('hcd-xhci-pci.c')) system_ss.add(when: 'CONFIG_USB_XHCI_SYSBUS', if_true: files('hcd-xhci-sysbus.c')) system_ss.add(when: 'CONFIG_USB_XHCI_NEC', if_true: files('hcd-xhci-nec.c')) -system_ss.add(when: 'CONFIG_USB_MUSB', if_true: files('hcd-musb.c')) system_ss.add(when: 'CONFIG_USB_DWC2', if_true: files('hcd-dwc2.c')) system_ss.add(when: 'CONFIG_USB_DWC3', if_true: files('hcd-dwc3.c')) -system_ss.add(when: 'CONFIG_TUSB6010', if_true: files('tusb6010.c')) system_ss.add(when: 'CONFIG_IMX', if_true: files('chipidea.c')) system_ss.add(when: 'CONFIG_IMX_USBPHY', if_true: files('imx-usb-phy.c')) system_ss.add(when: 'CONFIG_VT82C686', if_true: files('vt82c686-uhci-pci.c')) diff --git a/hw/usb/tusb6010.c b/hw/usb/tusb6010.c deleted file mode 100644 index 4a9114021b..0000000000 --- a/hw/usb/tusb6010.c +++ /dev/null @@ -1,850 +0,0 @@ -/* - * Texas Instruments TUSB6010 emulation. - * Based on reverse-engineering of a linux driver. - * - * Copyright (C) 2008 Nokia Corporation - * Written by Andrzej Zaborowski <andrew@openedhand.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 or - * (at your option) version 3 of the License. - * - * 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, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "qemu/module.h" -#include "qemu/timer.h" -#include "hw/usb.h" -#include "hw/usb/hcd-musb.h" -#include "hw/arm/omap.h" -#include "hw/hw.h" -#include "hw/irq.h" -#include "hw/sysbus.h" -#include "qom/object.h" - -#define TYPE_TUSB6010 "tusb6010" -OBJECT_DECLARE_SIMPLE_TYPE(TUSBState, TUSB6010) - -struct TUSBState { - SysBusDevice parent_obj; - - MemoryRegion iomem[2]; - qemu_irq irq; - MUSBState *musb; - QEMUTimer *otg_timer; - QEMUTimer *pwr_timer; - - int power; - uint32_t scratch; - uint16_t test_reset; - uint32_t prcm_config; - uint32_t prcm_mngmt; - uint16_t otg_status; - uint32_t dev_config; - int host_mode; - uint32_t intr; - uint32_t intr_ok; - uint32_t mask; - uint32_t usbip_intr; - uint32_t usbip_mask; - uint32_t gpio_intr; - uint32_t gpio_mask; - uint32_t gpio_config; - uint32_t dma_intr; - uint32_t dma_mask; - uint32_t dma_map; - uint32_t dma_config; - uint32_t ep0_config; - uint32_t rx_config[15]; - uint32_t tx_config[15]; - uint32_t wkup_mask; - uint32_t pullup[2]; - uint32_t control_config; - uint32_t otg_timer_val; -}; - -#define TUSB_DEVCLOCK 60000000 /* 60 MHz */ - -#define TUSB_VLYNQ_CTRL 0x004 - -/* Mentor Graphics OTG core registers. */ -#define TUSB_BASE_OFFSET 0x400 - -/* FIFO registers, 32-bit. */ -#define TUSB_FIFO_BASE 0x600 - -/* Device System & Control registers, 32-bit. */ -#define TUSB_SYS_REG_BASE 0x800 - -#define TUSB_DEV_CONF (TUSB_SYS_REG_BASE + 0x000) -#define TUSB_DEV_CONF_USB_HOST_MODE (1 << 16) -#define TUSB_DEV_CONF_PROD_TEST_MODE (1 << 15) -#define TUSB_DEV_CONF_SOFT_ID (1 << 1) -#define TUSB_DEV_CONF_ID_SEL (1 << 0) - -#define TUSB_PHY_OTG_CTRL_ENABLE (TUSB_SYS_REG_BASE + 0x004) -#define TUSB_PHY_OTG_CTRL (TUSB_SYS_REG_BASE + 0x008) -#define TUSB_PHY_OTG_CTRL_WRPROTECT (0xa5 << 24) -#define TUSB_PHY_OTG_CTRL_O_ID_PULLUP (1 << 23) -#define TUSB_PHY_OTG_CTRL_O_VBUS_DET_EN (1 << 19) -#define TUSB_PHY_OTG_CTRL_O_SESS_END_EN (1 << 18) -#define TUSB_PHY_OTG_CTRL_TESTM2 (1 << 17) -#define TUSB_PHY_OTG_CTRL_TESTM1 (1 << 16) -#define TUSB_PHY_OTG_CTRL_TESTM0 (1 << 15) -#define TUSB_PHY_OTG_CTRL_TX_DATA2 (1 << 14) -#define TUSB_PHY_OTG_CTRL_TX_GZ2 (1 << 13) -#define TUSB_PHY_OTG_CTRL_TX_ENABLE2 (1 << 12) -#define TUSB_PHY_OTG_CTRL_DM_PULLDOWN (1 << 11) -#define TUSB_PHY_OTG_CTRL_DP_PULLDOWN (1 << 10) -#define TUSB_PHY_OTG_CTRL_OSC_EN (1 << 9) -#define TUSB_PHY_OTG_CTRL_PHYREF_CLK(v) (((v) & 3) << 7) -#define TUSB_PHY_OTG_CTRL_PD (1 << 6) -#define TUSB_PHY_OTG_CTRL_PLL_ON (1 << 5) -#define TUSB_PHY_OTG_CTRL_EXT_RPU (1 << 4) -#define TUSB_PHY_OTG_CTRL_PWR_GOOD (1 << 3) -#define TUSB_PHY_OTG_CTRL_RESET (1 << 2) -#define TUSB_PHY_OTG_CTRL_SUSPENDM (1 << 1) -#define TUSB_PHY_OTG_CTRL_CLK_MODE (1 << 0) - -/* OTG status register */ -#define TUSB_DEV_OTG_STAT (TUSB_SYS_REG_BASE + 0x00c) -#define TUSB_DEV_OTG_STAT_PWR_CLK_GOOD (1 << 8) -#define TUSB_DEV_OTG_STAT_SESS_END (1 << 7) -#define TUSB_DEV_OTG_STAT_SESS_VALID (1 << 6) -#define TUSB_DEV_OTG_STAT_VBUS_VALID (1 << 5) -#define TUSB_DEV_OTG_STAT_VBUS_SENSE (1 << 4) -#define TUSB_DEV_OTG_STAT_ID_STATUS (1 << 3) -#define TUSB_DEV_OTG_STAT_HOST_DISCON (1 << 2) -#define TUSB_DEV_OTG_STAT_LINE_STATE (3 << 0) -#define TUSB_DEV_OTG_STAT_DP_ENABLE (1 << 1) -#define TUSB_DEV_OTG_STAT_DM_ENABLE (1 << 0) - -#define TUSB_DEV_OTG_TIMER (TUSB_SYS_REG_BASE + 0x010) -#define TUSB_DEV_OTG_TIMER_ENABLE (1 << 31) -#define TUSB_DEV_OTG_TIMER_VAL(v) ((v) & 0x07ffffff) -#define TUSB_PRCM_REV (TUSB_SYS_REG_BASE + 0x014) - -/* PRCM configuration register */ -#define TUSB_PRCM_CONF (TUSB_SYS_REG_BASE + 0x018) -#define TUSB_PRCM_CONF_SFW_CPEN (1 << 24) -#define TUSB_PRCM_CONF_SYS_CLKSEL(v) (((v) & 3) << 16) - -/* PRCM management register */ -#define TUSB_PRCM_MNGMT (TUSB_SYS_REG_BASE + 0x01c) -#define TUSB_PRCM_MNGMT_SRP_FIX_TMR(v) (((v) & 0xf) << 25) -#define TUSB_PRCM_MNGMT_SRP_FIX_EN (1 << 24) -#define TUSB_PRCM_MNGMT_VBUS_VAL_TMR(v) (((v) & 0xf) << 20) -#define TUSB_PRCM_MNGMT_VBUS_VAL_FLT_EN (1 << 19) -#define TUSB_PRCM_MNGMT_DFT_CLK_DIS (1 << 18) -#define TUSB_PRCM_MNGMT_VLYNQ_CLK_DIS (1 << 17) -#define TUSB_PRCM_MNGMT_OTG_SESS_END_EN (1 << 10) -#define TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN (1 << 9) -#define TUSB_PRCM_MNGMT_OTG_ID_PULLUP (1 << 8) -#define TUSB_PRCM_MNGMT_15_SW_EN (1 << 4) -#define TUSB_PRCM_MNGMT_33_SW_EN (1 << 3) -#define TUSB_PRCM_MNGMT_5V_CPEN (1 << 2) -#define TUSB_PRCM_MNGMT_PM_IDLE (1 << 1) -#define TUSB_PRCM_MNGMT_DEV_IDLE (1 << 0) - -/* Wake-up source clear and mask registers */ -#define TUSB_PRCM_WAKEUP_SOURCE (TUSB_SYS_REG_BASE + 0x020) -#define TUSB_PRCM_WAKEUP_CLEAR (TUSB_SYS_REG_BASE + 0x028) -#define TUSB_PRCM_WAKEUP_MASK (TUSB_SYS_REG_BASE + 0x02c) -#define TUSB_PRCM_WAKEUP_RESERVED_BITS (0xffffe << 13) -#define TUSB_PRCM_WGPIO_7 (1 << 12) -#define TUSB_PRCM_WGPIO_6 (1 << 11) -#define TUSB_PRCM_WGPIO_5 (1 << 10) -#define TUSB_PRCM_WGPIO_4 (1 << 9) -#define TUSB_PRCM_WGPIO_3 (1 << 8) -#define TUSB_PRCM_WGPIO_2 (1 << 7) -#define TUSB_PRCM_WGPIO_1 (1 << 6) -#define TUSB_PRCM_WGPIO_0 (1 << 5) -#define TUSB_PRCM_WHOSTDISCON (1 << 4) /* Host disconnect */ -#define TUSB_PRCM_WBUS (1 << 3) /* USB bus resume */ -#define TUSB_PRCM_WNORCS (1 << 2) /* NOR chip select */ -#define TUSB_PRCM_WVBUS (1 << 1) /* OTG PHY VBUS */ -#define TUSB_PRCM_WID (1 << 0) /* OTG PHY ID detect */ - -#define TUSB_PULLUP_1_CTRL (TUSB_SYS_REG_BASE + 0x030) -#define TUSB_PULLUP_2_CTRL (TUSB_SYS_REG_BASE + 0x034) -#define TUSB_INT_CTRL_REV (TUSB_SYS_REG_BASE + 0x038) -#define TUSB_INT_CTRL_CONF (TUSB_SYS_REG_BASE + 0x03c) -#define TUSB_USBIP_INT_SRC (TUSB_SYS_REG_BASE + 0x040) -#define TUSB_USBIP_INT_SET (TUSB_SYS_REG_BASE + 0x044) -#define TUSB_USBIP_INT_CLEAR (TUSB_SYS_REG_BASE + 0x048) -#define TUSB_USBIP_INT_MASK (TUSB_SYS_REG_BASE + 0x04c) -#define TUSB_DMA_INT_SRC (TUSB_SYS_REG_BASE + 0x050) -#define TUSB_DMA_INT_SET (TUSB_SYS_REG_BASE + 0x054) -#define TUSB_DMA_INT_CLEAR (TUSB_SYS_REG_BASE + 0x058) -#define TUSB_DMA_INT_MASK (TUSB_SYS_REG_BASE + 0x05c) -#define TUSB_GPIO_INT_SRC (TUSB_SYS_REG_BASE + 0x060) -#define TUSB_GPIO_INT_SET (TUSB_SYS_REG_BASE + 0x064) -#define TUSB_GPIO_INT_CLEAR (TUSB_SYS_REG_BASE + 0x068) -#define TUSB_GPIO_INT_MASK (TUSB_SYS_REG_BASE + 0x06c) - -/* NOR flash interrupt source registers */ -#define TUSB_INT_SRC (TUSB_SYS_REG_BASE + 0x070) -#define TUSB_INT_SRC_SET (TUSB_SYS_REG_BASE + 0x074) -#define TUSB_INT_SRC_CLEAR (TUSB_SYS_REG_BASE + 0x078) -#define TUSB_INT_MASK (TUSB_SYS_REG_BASE + 0x07c) -#define TUSB_INT_SRC_TXRX_DMA_DONE (1 << 24) -#define TUSB_INT_SRC_USB_IP_CORE (1 << 17) -#define TUSB_INT_SRC_OTG_TIMEOUT (1 << 16) -#define TUSB_INT_SRC_VBUS_SENSE_CHNG (1 << 15) -#define TUSB_INT_SRC_ID_STATUS_CHNG (1 << 14) -#define TUSB_INT_SRC_DEV_WAKEUP (1 << 13) -#define TUSB_INT_SRC_DEV_READY (1 << 12) -#define TUSB_INT_SRC_USB_IP_TX (1 << 9) -#define TUSB_INT_SRC_USB_IP_RX (1 << 8) -#define TUSB_INT_SRC_USB_IP_VBUS_ERR (1 << 7) -#define TUSB_INT_SRC_USB_IP_VBUS_REQ (1 << 6) -#define TUSB_INT_SRC_USB_IP_DISCON (1 << 5) -#define TUSB_INT_SRC_USB_IP_CONN (1 << 4) -#define TUSB_INT_SRC_USB_IP_SOF (1 << 3) -#define TUSB_INT_SRC_USB_IP_RST_BABBLE (1 << 2) -#define TUSB_INT_SRC_USB_IP_RESUME (1 << 1) -#define TUSB_INT_SRC_USB_IP_SUSPEND (1 << 0) - -#define TUSB_GPIO_REV (TUSB_SYS_REG_BASE + 0x080) -#define TUSB_GPIO_CONF (TUSB_SYS_REG_BASE + 0x084) -#define TUSB_DMA_CTRL_REV (TUSB_SYS_REG_BASE + 0x100) -#define TUSB_DMA_REQ_CONF (TUSB_SYS_REG_BASE + 0x104) -#define TUSB_EP0_CONF (TUSB_SYS_REG_BASE + 0x108) -#define TUSB_EP_IN_SIZE (TUSB_SYS_REG_BASE + 0x10c) -#define TUSB_DMA_EP_MAP (TUSB_SYS_REG_BASE + 0x148) -#define TUSB_EP_OUT_SIZE (TUSB_SYS_REG_BASE + 0x14c) -#define TUSB_EP_MAX_PACKET_SIZE_OFFSET (TUSB_SYS_REG_BASE + 0x188) -#define TUSB_SCRATCH_PAD (TUSB_SYS_REG_BASE + 0x1c4) -#define TUSB_WAIT_COUNT (TUSB_SYS_REG_BASE + 0x1c8) -#define TUSB_PROD_TEST_RESET (TUSB_SYS_REG_BASE + 0x1d8) - -#define TUSB_DIDR1_LO (TUSB_SYS_REG_BASE + 0x1f8) -#define TUSB_DIDR1_HI (TUSB_SYS_REG_BASE + 0x1fc) - -/* Device System & Control register bitfields */ -#define TUSB_INT_CTRL_CONF_INT_RLCYC(v) (((v) & 0x7) << 18) -#define TUSB_INT_CTRL_CONF_INT_POLARITY (1 << 17) -#define TUSB_INT_CTRL_CONF_INT_MODE (1 << 16) -#define TUSB_GPIO_CONF_DMAREQ(v) (((v) & 0x3f) << 24) -#define TUSB_DMA_REQ_CONF_BURST_SIZE(v) (((v) & 3) << 26) -#define TUSB_DMA_REQ_CONF_DMA_RQ_EN(v) (((v) & 0x3f) << 20) -#define TUSB_DMA_REQ_CONF_DMA_RQ_ASR(v) (((v) & 0xf) << 16) -#define TUSB_EP0_CONFIG_SW_EN (1 << 8) -#define TUSB_EP0_CONFIG_DIR_TX (1 << 7) -#define TUSB_EP0_CONFIG_XFR_SIZE(v) ((v) & 0x7f) -#define TUSB_EP_CONFIG_SW_EN (1 << 31) -#define TUSB_EP_CONFIG_XFR_SIZE(v) ((v) & 0x7fffffff) -#define TUSB_PROD_TEST_RESET_VAL 0xa596 - -static void tusb_intr_update(TUSBState *s) -{ - if (s->control_config & TUSB_INT_CTRL_CONF_INT_POLARITY) - qemu_set_irq(s->irq, s->intr & ~s->mask & s->intr_ok); - else - qemu_set_irq(s->irq, (!(s->intr & ~s->mask)) & s->intr_ok); -} - -static void tusb_usbip_intr_update(TUSBState *s) -{ - /* TX interrupt in the MUSB */ - if (s->usbip_intr & 0x0000ffff & ~s->usbip_mask) - s->intr |= TUSB_INT_SRC_USB_IP_TX; - else - s->intr &= ~TUSB_INT_SRC_USB_IP_TX; - - /* RX interrupt in the MUSB */ - if (s->usbip_intr & 0xffff0000 & ~s->usbip_mask) - s->intr |= TUSB_INT_SRC_USB_IP_RX; - else - s->intr &= ~TUSB_INT_SRC_USB_IP_RX; - - /* XXX: What about TUSB_INT_SRC_USB_IP_CORE? */ - - tusb_intr_update(s); -} - -static void tusb_dma_intr_update(TUSBState *s) -{ - if (s->dma_intr & ~s->dma_mask) - s->intr |= TUSB_INT_SRC_TXRX_DMA_DONE; - else - s->intr &= ~TUSB_INT_SRC_TXRX_DMA_DONE; - - tusb_intr_update(s); -} - -static void tusb_gpio_intr_update(TUSBState *s) -{ - /* TODO: How is this signalled? */ -} - -static uint32_t tusb_async_readb(void *opaque, hwaddr addr) -{ - TUSBState *s = (TUSBState *) opaque; - - switch (addr & 0xfff) { - case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff): - return musb_read[0](s->musb, addr & 0x1ff); - - case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff): - return musb_read[0](s->musb, 0x20 + ((addr >> 3) & 0x3c)); - } - - printf("%s: unknown register at %03x\n", - __func__, (int) (addr & 0xfff)); - return 0; -} - -static uint32_t tusb_async_readh(void *opaque, hwaddr addr) -{ - TUSBState *s = (TUSBState *) opaque; - - switch (addr & 0xfff) { - case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff): - return musb_read[1](s->musb, addr & 0x1ff); - - case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff): - return musb_read[1](s->musb, 0x20 + ((addr >> 3) & 0x3c)); - } - - printf("%s: unknown register at %03x\n", - __func__, (int) (addr & 0xfff)); - return 0; -} - -static uint32_t tusb_async_readw(void *opaque, hwaddr addr) -{ - TUSBState *s = (TUSBState *) opaque; - int offset = addr & 0xfff; - int epnum; - uint32_t ret; - - switch (offset) { - case TUSB_DEV_CONF: - return s->dev_config; - - case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff): - return musb_read[2](s->musb, offset & 0x1ff); - - case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff): - return musb_read[2](s->musb, 0x20 + ((addr >> 3) & 0x3c)); - - case TUSB_PHY_OTG_CTRL_ENABLE: - case TUSB_PHY_OTG_CTRL: - return 0x00; /* TODO */ - - case TUSB_DEV_OTG_STAT: - ret = s->otg_status; -#if 0 - if (!(s->prcm_mngmt & TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN)) - ret &= ~TUSB_DEV_OTG_STAT_VBUS_VALID; -#endif - return ret; - case TUSB_DEV_OTG_TIMER: - return s->otg_timer_val; - - case TUSB_PRCM_REV: - return 0x20; - case TUSB_PRCM_CONF: - return s->prcm_config; - case TUSB_PRCM_MNGMT: - return s->prcm_mngmt; - case TUSB_PRCM_WAKEUP_SOURCE: - case TUSB_PRCM_WAKEUP_CLEAR: /* TODO: What does this one return? */ - return 0x00000000; - case TUSB_PRCM_WAKEUP_MASK: - return s->wkup_mask; - - case TUSB_PULLUP_1_CTRL: - return s->pullup[0]; - case TUSB_PULLUP_2_CTRL: - return s->pullup[1]; - - case TUSB_INT_CTRL_REV: - return 0x20; - case TUSB_INT_CTRL_CONF: - return s->control_config; - - case TUSB_USBIP_INT_SRC: - case TUSB_USBIP_INT_SET: /* TODO: What do these two return? */ - case TUSB_USBIP_INT_CLEAR: - return s->usbip_intr; - case TUSB_USBIP_INT_MASK: - return s->usbip_mask; - - case TUSB_DMA_INT_SRC: - case TUSB_DMA_INT_SET: /* TODO: What do these two return? */ - case TUSB_DMA_INT_CLEAR: - return s->dma_intr; - case TUSB_DMA_INT_MASK: - return s->dma_mask; - - case TUSB_GPIO_INT_SRC: /* TODO: What do these two return? */ - case TUSB_GPIO_INT_SET: - case TUSB_GPIO_INT_CLEAR: - return s->gpio_intr; - case TUSB_GPIO_INT_MASK: - return s->gpio_mask; - - case TUSB_INT_SRC: - case TUSB_INT_SRC_SET: /* TODO: What do these two return? */ - case TUSB_INT_SRC_CLEAR: - return s->intr; - case TUSB_INT_MASK: - return s->mask; - - case TUSB_GPIO_REV: - return 0x30; - case TUSB_GPIO_CONF: - return s->gpio_config; - - case TUSB_DMA_CTRL_REV: - return 0x30; - case TUSB_DMA_REQ_CONF: - return s->dma_config; - case TUSB_EP0_CONF: - return s->ep0_config; - case TUSB_EP_IN_SIZE ... (TUSB_EP_IN_SIZE + 0x3b): - epnum = (offset - TUSB_EP_IN_SIZE) >> 2; - return s->tx_config[epnum]; - case TUSB_DMA_EP_MAP: - return s->dma_map; - case TUSB_EP_OUT_SIZE ... (TUSB_EP_OUT_SIZE + 0x3b): - epnum = (offset - TUSB_EP_OUT_SIZE) >> 2; - return s->rx_config[epnum]; - case TUSB_EP_MAX_PACKET_SIZE_OFFSET ... - (TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b): - return 0x00000000; /* TODO */ - case TUSB_WAIT_COUNT: - return 0x00; /* TODO */ - - case TUSB_SCRATCH_PAD: - return s->scratch; - - case TUSB_PROD_TEST_RESET: - return s->test_reset; - - /* DIE IDs */ - case TUSB_DIDR1_LO: - return 0xa9453c59; - case TUSB_DIDR1_HI: - return 0x54059adf; - } - - printf("%s: unknown register at %03x\n", __func__, offset); - return 0; -} - -static void tusb_async_writeb(void *opaque, hwaddr addr, - uint32_t value) -{ - TUSBState *s = (TUSBState *) opaque; - - switch (addr & 0xfff) { - case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff): - musb_write[0](s->musb, addr & 0x1ff, value); - break; - - case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff): - musb_write[0](s->musb, 0x20 + ((addr >> 3) & 0x3c), value); - break; - - default: - printf("%s: unknown register at %03x\n", - __func__, (int) (addr & 0xfff)); - return; - } -} - -static void tusb_async_writeh(void *opaque, hwaddr addr, - uint32_t value) -{ - TUSBState *s = (TUSBState *) opaque; - - switch (addr & 0xfff) { - case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff): - musb_write[1](s->musb, addr & 0x1ff, value); - break; - - case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff): - musb_write[1](s->musb, 0x20 + ((addr >> 3) & 0x3c), value); - break; - - default: - printf("%s: unknown register at %03x\n", - __func__, (int) (addr & 0xfff)); - return; - } -} - -static void tusb_async_writew(void *opaque, hwaddr addr, - uint32_t value) -{ - TUSBState *s = (TUSBState *) opaque; - int offset = addr & 0xfff; - int epnum; - - switch (offset) { - case TUSB_VLYNQ_CTRL: - break; - - case TUSB_BASE_OFFSET ... (TUSB_BASE_OFFSET | 0x1ff): - musb_write[2](s->musb, offset & 0x1ff, value); - break; - - case TUSB_FIFO_BASE ... (TUSB_FIFO_BASE | 0x1ff): - musb_write[2](s->musb, 0x20 + ((addr >> 3) & 0x3c), value); - break; - - case TUSB_DEV_CONF: - s->dev_config = value; - s->host_mode = (value & TUSB_DEV_CONF_USB_HOST_MODE); - if (value & TUSB_DEV_CONF_PROD_TEST_MODE) - hw_error("%s: Product Test mode not allowed\n", __func__); - break; - - case TUSB_PHY_OTG_CTRL_ENABLE: - case TUSB_PHY_OTG_CTRL: - return; /* TODO */ - case TUSB_DEV_OTG_TIMER: - s->otg_timer_val = value; - if (value & TUSB_DEV_OTG_TIMER_ENABLE) - timer_mod(s->otg_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - muldiv64(TUSB_DEV_OTG_TIMER_VAL(value), - NANOSECONDS_PER_SECOND, TUSB_DEVCLOCK)); - else - timer_del(s->otg_timer); - break; - - case TUSB_PRCM_CONF: - s->prcm_config = value; - break; - case TUSB_PRCM_MNGMT: - s->prcm_mngmt = value; - break; - case TUSB_PRCM_WAKEUP_CLEAR: - break; - case TUSB_PRCM_WAKEUP_MASK: - s->wkup_mask = value; - break; - - case TUSB_PULLUP_1_CTRL: - s->pullup[0] = value; - break; - case TUSB_PULLUP_2_CTRL: - s->pullup[1] = value; - break; - case TUSB_INT_CTRL_CONF: - s->control_config = value; - tusb_intr_update(s); - break; - - case TUSB_USBIP_INT_SET: - s->usbip_intr |= value; - tusb_usbip_intr_update(s); - break; - case TUSB_USBIP_INT_CLEAR: - s->usbip_intr &= ~value; - tusb_usbip_intr_update(s); - musb_core_intr_clear(s->musb, ~value); - break; - case TUSB_USBIP_INT_MASK: - s->usbip_mask = value; - tusb_usbip_intr_update(s); - break; - - case TUSB_DMA_INT_SET: - s->dma_intr |= value; - tusb_dma_intr_update(s); - break; - case TUSB_DMA_INT_CLEAR: - s->dma_intr &= ~value; - tusb_dma_intr_update(s); - break; - case TUSB_DMA_INT_MASK: - s->dma_mask = value; - tusb_dma_intr_update(s); - break; - - case TUSB_GPIO_INT_SET: - s->gpio_intr |= value; - tusb_gpio_intr_update(s); - break; - case TUSB_GPIO_INT_CLEAR: - s->gpio_intr &= ~value; - tusb_gpio_intr_update(s); - break; - case TUSB_GPIO_INT_MASK: - s->gpio_mask = value; - tusb_gpio_intr_update(s); - break; - - case TUSB_INT_SRC_SET: - s->intr |= value; - tusb_intr_update(s); - break; - case TUSB_INT_SRC_CLEAR: - s->intr &= ~value; - tusb_intr_update(s); - break; - case TUSB_INT_MASK: - s->mask = value; - tusb_intr_update(s); - break; - - case TUSB_GPIO_CONF: - s->gpio_config = value; - break; - case TUSB_DMA_REQ_CONF: - s->dma_config = value; - break; - case TUSB_EP0_CONF: - s->ep0_config = value & 0x1ff; - musb_set_size(s->musb, 0, TUSB_EP0_CONFIG_XFR_SIZE(value), - value & TUSB_EP0_CONFIG_DIR_TX); - break; - case TUSB_EP_IN_SIZE ... (TUSB_EP_IN_SIZE + 0x3b): - epnum = (offset - TUSB_EP_IN_SIZE) >> 2; - s->tx_config[epnum] = value; - musb_set_size(s->musb, epnum + 1, TUSB_EP_CONFIG_XFR_SIZE(value), 1); - break; - case TUSB_DMA_EP_MAP: - s->dma_map = value; - break; - case TUSB_EP_OUT_SIZE ... (TUSB_EP_OUT_SIZE + 0x3b): - epnum = (offset - TUSB_EP_OUT_SIZE) >> 2; - s->rx_config[epnum] = value; - musb_set_size(s->musb, epnum + 1, TUSB_EP_CONFIG_XFR_SIZE(value), 0); - break; - case TUSB_EP_MAX_PACKET_SIZE_OFFSET ... - (TUSB_EP_MAX_PACKET_SIZE_OFFSET + 0x3b): - return; /* TODO */ - case TUSB_WAIT_COUNT: - return; /* TODO */ - - case TUSB_SCRATCH_PAD: - s->scratch = value; - break; - - case TUSB_PROD_TEST_RESET: - s->test_reset = value; - break; - - default: - printf("%s: unknown register at %03x\n", __func__, offset); - return; - } -} - -static uint64_t tusb_async_readfn(void *opaque, hwaddr addr, unsigned size) -{ - switch (size) { - case 1: - return tusb_async_readb(opaque, addr); - case 2: - return tusb_async_readh(opaque, addr); - case 4: - return tusb_async_readw(opaque, addr); - default: - g_assert_not_reached(); - } -} - -static void tusb_async_writefn(void *opaque, hwaddr addr, - uint64_t value, unsigned size) -{ - switch (size) { - case 1: - tusb_async_writeb(opaque, addr, value); - break; - case 2: - tusb_async_writeh(opaque, addr, value); - break; - case 4: - tusb_async_writew(opaque, addr, value); - break; - default: - g_assert_not_reached(); - } -} - -static const MemoryRegionOps tusb_async_ops = { - .read = tusb_async_readfn, - .write = tusb_async_writefn, - .valid.min_access_size = 1, - .valid.max_access_size = 4, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static void tusb_otg_tick(void *opaque) -{ - TUSBState *s = (TUSBState *) opaque; - - s->otg_timer_val = 0; - s->intr |= TUSB_INT_SRC_OTG_TIMEOUT; - tusb_intr_update(s); -} - -static void tusb_power_tick(void *opaque) -{ - TUSBState *s = (TUSBState *) opaque; - - if (s->power) { - s->intr_ok = ~0; - tusb_intr_update(s); - } -} - -static void tusb_musb_core_intr(void *opaque, int source, int level) -{ - TUSBState *s = (TUSBState *) opaque; - uint16_t otg_status = s->otg_status; - - switch (source) { - case musb_set_vbus: - if (level) - otg_status |= TUSB_DEV_OTG_STAT_VBUS_VALID; - else - otg_status &= ~TUSB_DEV_OTG_STAT_VBUS_VALID; - - /* XXX: only if TUSB_PHY_OTG_CTRL_OTG_VBUS_DET_EN set? */ - /* XXX: only if TUSB_PRCM_MNGMT_OTG_VBUS_DET_EN set? */ - if (s->otg_status != otg_status) { - s->otg_status = otg_status; - s->intr |= TUSB_INT_SRC_VBUS_SENSE_CHNG; - tusb_intr_update(s); - } - break; - - case musb_set_session: - /* XXX: only if TUSB_PHY_OTG_CTRL_OTG_SESS_END_EN set? */ - /* XXX: only if TUSB_PRCM_MNGMT_OTG_SESS_END_EN set? */ - if (level) { - s->otg_status |= TUSB_DEV_OTG_STAT_SESS_VALID; - s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_END; - } else { - s->otg_status &= ~TUSB_DEV_OTG_STAT_SESS_VALID; - s->otg_status |= TUSB_DEV_OTG_STAT_SESS_END; - } - - /* XXX: some IRQ or anything? */ - break; - - case musb_irq_tx: - case musb_irq_rx: - s->usbip_intr = musb_core_intr_get(s->musb); - /* Fall through. */ - default: - if (level) - s->intr |= 1 << source; - else - s->intr &= ~(1 << source); - tusb_intr_update(s); - break; - } -} - -static void tusb6010_power(TUSBState *s, int on) -{ - if (!on) { - s->power = 0; - } else if (!s->power && on) { - s->power = 1; - /* Pull the interrupt down after TUSB6010 comes up. */ - s->intr_ok = 0; - tusb_intr_update(s); - timer_mod(s->pwr_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - NANOSECONDS_PER_SECOND / 2); - } -} - -static void tusb6010_irq(void *opaque, int source, int level) -{ - if (source) { - tusb_musb_core_intr(opaque, source - 1, level); - } else { - tusb6010_power(opaque, level); - } -} - -static void tusb6010_reset(DeviceState *dev) -{ - TUSBState *s = TUSB6010(dev); - int i; - - s->test_reset = TUSB_PROD_TEST_RESET_VAL; - s->host_mode = 0; - s->dev_config = 0; - s->otg_status = 0; /* !TUSB_DEV_OTG_STAT_ID_STATUS means host mode */ - s->power = 0; - s->mask = 0xffffffff; - s->intr = 0x00000000; - s->otg_timer_val = 0; - s->scratch = 0; - s->prcm_config = 0; - s->prcm_mngmt = 0; - s->intr_ok = 0; - s->usbip_intr = 0; - s->usbip_mask = 0; - s->gpio_intr = 0; - s->gpio_mask = 0; - s->gpio_config = 0; - s->dma_intr = 0; - s->dma_mask = 0; - s->dma_map = 0; - s->dma_config = 0; - s->ep0_config = 0; - s->wkup_mask = 0; - s->pullup[0] = s->pullup[1] = 0; - s->control_config = 0; - for (i = 0; i < 15; i++) { - s->rx_config[i] = s->tx_config[i] = 0; - } - musb_reset(s->musb); -} - -static void tusb6010_realize(DeviceState *dev, Error **errp) -{ - TUSBState *s = TUSB6010(dev); - SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - - s->otg_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_otg_tick, s); - s->pwr_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, tusb_power_tick, s); - memory_region_init_io(&s->iomem[1], OBJECT(s), &tusb_async_ops, s, - "tusb-async", UINT32_MAX); - sysbus_init_mmio(sbd, &s->iomem[0]); - sysbus_init_mmio(sbd, &s->iomem[1]); - sysbus_init_irq(sbd, &s->irq); - qdev_init_gpio_in(dev, tusb6010_irq, musb_irq_max + 1); - s->musb = musb_init(dev, 1); -} - -static void tusb6010_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - - dc->realize = tusb6010_realize; - device_class_set_legacy_reset(dc, tusb6010_reset); -} - -static const TypeInfo tusb6010_info = { - .name = TYPE_TUSB6010, - .parent = TYPE_SYS_BUS_DEVICE, - .instance_size = sizeof(TUSBState), - .class_init = tusb6010_class_init, -}; - -static void tusb6010_register_types(void) -{ - type_register_static(&tusb6010_info); -} - -type_init(tusb6010_register_types) |