*
* Copyright (c) 2008 Texas Instruments
*
- * 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 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*
* Author: Thomas Abraham t-abraham@ti.com, Texas Instruments
*/
#include <common.h>
+#include <usb.h>
#include "musb_hcd.h"
/* MSC control transfers */
#define USB_MSC_BBB_GET_MAX_LUN 0xFE
/* Endpoint configuration information */
-static struct musb_epinfo epinfo[3] = {
+static const struct musb_epinfo epinfo[3] = {
{MUSB_BULK_EP, 1, 512}, /* EP1 - Bluk Out - 512 Bytes */
{MUSB_BULK_EP, 0, 512}, /* EP1 - Bluk In - 512 Bytes */
{MUSB_INTR_EP, 0, 64} /* EP2 - Interrupt IN - 64 Bytes */
static u32 port_status;
/* Device descriptor */
-static u8 root_hub_dev_des[] = {
+static const u8 root_hub_dev_des[] = {
0x12, /* __u8 bLength; */
0x01, /* __u8 bDescriptorType; Device */
0x00, /* __u16 bcdUSB; v1.1 */
};
/* Configuration descriptor */
-static u8 root_hub_config_des[] = {
+static const u8 root_hub_config_des[] = {
0x09, /* __u8 bLength; */
0x02, /* __u8 bDescriptorType; Configuration */
0x19, /* __u16 wTotalLength; */
0xff /* __u8 ep_bInterval; 255 ms */
};
-static unsigned char root_hub_str_index0[] = {
+static const unsigned char root_hub_str_index0[] = {
0x04, /* __u8 bLength; */
0x03, /* __u8 bDescriptorType; String-descriptor */
0x09, /* __u8 lang ID */
0x04, /* __u8 lang ID */
};
-static unsigned char root_hub_str_index1[] = {
+static const unsigned char root_hub_str_index1[] = {
0x1c, /* __u8 bLength; */
0x03, /* __u8 bDescriptorType; String-descriptor */
'M', /* __u8 Unicode */
/*
* waits until tx ep is ready. Returns 1 when ep is ready and 0 on error.
*/
-static u8 wait_until_txep_ready(struct usb_device *dev, u8 ep)
+static int wait_until_txep_ready(struct usb_device *dev, u8 ep)
{
u16 csr;
int timeout = CONFIG_MUSB_TIMEOUT;
/*
* waits until rx ep is ready. Returns 1 when ep is ready and 0 on error.
*/
-static u8 wait_until_rxep_ready(struct usb_device *dev, u8 ep)
+static int wait_until_rxep_ready(struct usb_device *dev, u8 ep)
{
u16 csr;
int timeout = CONFIG_MUSB_TIMEOUT;
/* Set TXPKTRDY bit */
csr = readw(&musbr->txcsr);
- writew(csr | MUSB_CSR0_H_DIS_PING | MUSB_CSR0_TXPKTRDY,
- &musbr->txcsr);
+
+ csr |= MUSB_CSR0_TXPKTRDY;
+#if !defined(CONFIG_SOC_DM365)
+ csr |= MUSB_CSR0_H_DIS_PING;
+#endif
+ writew(csr, &musbr->txcsr);
result = wait_until_ep0_ready(dev, MUSB_CSR0_TXPKTRDY);
if (result < 0)
break;
/* Set the StatusPkt bit */
csr = readw(&musbr->txcsr);
- csr |= (MUSB_CSR0_H_DIS_PING | MUSB_CSR0_TXPKTRDY |
- MUSB_CSR0_H_STATUSPKT);
+ csr |= (MUSB_CSR0_TXPKTRDY | MUSB_CSR0_H_STATUSPKT);
+#if !defined(CONFIG_SOC_DM365)
+ csr |= MUSB_CSR0_H_DIS_PING;
+#endif
writew(csr, &musbr->txcsr);
/* Wait until TXPKTRDY bit is cleared */
int result;
/* Set the StatusPkt bit and ReqPkt bit */
- csr = MUSB_CSR0_H_DIS_PING | MUSB_CSR0_H_REQPKT | MUSB_CSR0_H_STATUSPKT;
+ csr = MUSB_CSR0_H_REQPKT | MUSB_CSR0_H_STATUSPKT;
+#if !defined(CONFIG_SOC_DM365)
+ csr |= MUSB_CSR0_H_DIS_PING;
+#endif
writew(csr, &musbr->txcsr);
result = wait_until_ep0_ready(dev, MUSB_CSR0_H_REQPKT);
*/
static u8 get_dev_speed(struct usb_device *dev)
{
- return (dev->speed & USB_SPEED_HIGH) ? MUSB_TYPE_SPEED_HIGH :
- ((dev->speed & USB_SPEED_LOW) ? MUSB_TYPE_SPEED_LOW :
+ return (dev->speed == USB_SPEED_HIGH) ? MUSB_TYPE_SPEED_HIGH :
+ ((dev->speed == USB_SPEED_LOW) ? MUSB_TYPE_SPEED_LOW :
MUSB_TYPE_SPEED_FULL);
}
int len = 0;
int stat = 0;
u32 datab[4];
- u8 *data_buf = (u8 *) datab;
+ const u8 *data_buf = (u8 *) datab;
u16 bmRType_bReq;
u16 wValue;
u16 wIndex;
break;
- case RH_GET_DESCRIPTOR | RH_CLASS:
+ case RH_GET_DESCRIPTOR | RH_CLASS: {
+ u8 *_data_buf = (u8 *) datab;
debug("RH_GET_DESCRIPTOR | RH_CLASS\n");
- data_buf[0] = 0x09; /* min length; */
- data_buf[1] = 0x29;
- data_buf[2] = 0x1; /* 1 port */
- data_buf[3] = 0x01; /* per-port power switching */
- data_buf[3] |= 0x10; /* no overcurrent reporting */
+ _data_buf[0] = 0x09; /* min length; */
+ _data_buf[1] = 0x29;
+ _data_buf[2] = 0x1; /* 1 port */
+ _data_buf[3] = 0x01; /* per-port power switching */
+ _data_buf[3] |= 0x10; /* no overcurrent reporting */
/* Corresponds to data_buf[4-7] */
- data_buf[4] = 0;
- data_buf[5] = 5;
- data_buf[6] = 0;
- data_buf[7] = 0x02;
- data_buf[8] = 0xff;
+ _data_buf[4] = 0;
+ _data_buf[5] = 5;
+ _data_buf[6] = 0;
+ _data_buf[7] = 0x02;
+ _data_buf[8] = 0xff;
len = min_t(unsigned int, leni,
min_t(unsigned int, data_buf[0], wLength));
break;
+ }
case RH_GET_CONFIGURATION:
debug("RH_GET_CONFIGURATION\n");
dev->act_len = len;
dev->status = stat;
- debug("dev act_len %d, status %d\n", dev->act_len, dev->status);
+ debug("dev act_len %d, status %lu\n", dev->act_len, dev->status);
return stat;
}
int len, struct devrequest *setup)
{
int devnum = usb_pipedevice(pipe);
- u16 csr;
u8 devspeed;
#ifdef MUSB_NO_MULTIPOINT
/* Control message is for the HUB? */
- if (devnum == rh_devnum)
- return musb_submit_rh_msg(dev, pipe, buffer, len, setup);
+ if (devnum == rh_devnum) {
+ int stat = musb_submit_rh_msg(dev, pipe, buffer, len, setup);
+ if (stat)
+ return stat;
+ }
#endif
/* select control endpoint */
writeb(MUSB_CONTROL_EP, &musbr->index);
- csr = readw(&musbr->txcsr);
+ readw(&musbr->txcsr);
#ifndef MUSB_NO_MULTIPOINT
/* target addr and (for multipoint) hub addr/port */
writew(csr | MUSB_TXCSR_TXPKTRDY, &musbr->txcsr);
/* Wait until the TxPktRdy bit is cleared */
- if (!wait_until_txep_ready(dev, MUSB_BULK_EP)) {
+ if (wait_until_txep_ready(dev, MUSB_BULK_EP) != 1) {
readw(&musbr->txcsr);
usb_settoggle(dev, ep, dir_out,
(csr >> MUSB_TXCSR_H_DATATOGGLE_SHIFT) & 1);
writew(csr | MUSB_RXCSR_H_REQPKT, &musbr->rxcsr);
/* Wait until the RxPktRdy bit is set */
- if (!wait_until_rxep_ready(dev, MUSB_BULK_EP)) {
+ if (wait_until_rxep_ready(dev, MUSB_BULK_EP) != 1) {
csr = readw(&musbr->rxcsr);
usb_settoggle(dev, ep, dir_out,
(csr >> MUSB_S_RXCSR_H_DATATOGGLE) & 1);
/*
* This function initializes the usb controller module.
*/
-int usb_lowlevel_init(void)
+int usb_lowlevel_init(int index, void **controller)
{
u8 power;
u32 timeout;
/* Configure all the endpoint FIFO's and start usb controller */
musbr = musb_cfg.regs;
- musb_configure_ep(&epinfo[0],
- sizeof(epinfo) / sizeof(struct musb_epinfo));
+ musb_configure_ep(&epinfo[0], ARRAY_SIZE(epinfo));
musb_start();
/*
* should be a usb device connected.
*/
timeout = musb_cfg.timeout;
- while (timeout--)
+ while (--timeout)
if (readb(&musbr->devctl) & MUSB_DEVCTL_HM)
break;
/*
* This function stops the operation of the davinci usb module.
*/
-int usb_lowlevel_stop(void)
+int usb_lowlevel_stop(int index)
{
/* Reset the USB module */
musb_platform_deinit();
writew(csr | MUSB_RXCSR_H_REQPKT, &musbr->rxcsr);
/* Wait until the RxPktRdy bit is set */
- if (!wait_until_rxep_ready(dev, MUSB_INTR_EP)) {
+ if (wait_until_rxep_ready(dev, MUSB_INTR_EP) != 1) {
csr = readw(&musbr->rxcsr);
usb_settoggle(dev, ep, dir_out,
(csr >> MUSB_S_RXCSR_H_DATATOGGLE) & 1);
dev->act_len = len;
return 0;
}
-
-
-#ifdef CONFIG_SYS_USB_EVENT_POLL
-/*
- * This function polls for USB keyboard data.
- */
-void usb_event_poll()
-{
- struct stdio_dev *dev;
- struct usb_device *usb_kbd_dev;
- struct usb_interface *iface;
- struct usb_endpoint_descriptor *ep;
- int pipe;
- int maxp;
-
- /* Get the pointer to USB Keyboard device pointer */
- dev = stdio_get_by_name("usbkbd");
- usb_kbd_dev = (struct usb_device *)dev->priv;
- iface = &usb_kbd_dev->config.if_desc[0];
- ep = &iface->ep_desc[0];
- pipe = usb_rcvintpipe(usb_kbd_dev, ep->bEndpointAddress);
-
- /* Submit a interrupt transfer request */
- maxp = usb_maxpacket(usb_kbd_dev, pipe);
- usb_submit_int_msg(usb_kbd_dev, pipe, &new[0],
- maxp > 8 ? 8 : maxp, ep->bInterval);
-}
-#endif /* CONFIG_SYS_USB_EVENT_POLL */