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[msm] hsusb udc driver for the chipidea usb client peripheral

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This commit is contained in:
Brian Swetland
2009-01-19 19:41:24 -08:00
parent 9a2cd26f48
commit 3e7e21ac32
3 changed files with 911 additions and 1 deletions
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740
platform/msm_shared/hsusb.c Normal file
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/*
* Copyright (c) 2008, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <string.h>
#include <stdlib.h>
#include <debug.h>
#include <platform/iomap.h>
#include <platform/irqs.h>
#include <platform/interrupts.h>
#include <kernel/thread.h>
#include <reg.h>
#include <dev/udc.h>
#include "hsusb.h"
/* common code - factor out into a shared file */
struct udc_descriptor {
struct udc_descriptor *next;
unsigned short tag; /* ((TYPE << 8) | NUM) */
unsigned short len; /* total length */
unsigned char data[0];
};
struct udc_descriptor *udc_descriptor_alloc(unsigned type, unsigned num, unsigned len)
{
struct udc_descriptor *desc;
if ((len > 255) || (len < 2) || (num > 255) || (type > 255))
return 0;
if(!(desc = malloc(sizeof(struct udc_descriptor) + len)))
return 0;
desc->next = 0;
desc->tag = (type << 8) | num;
desc->len = len;
desc->data[0] = len;
desc->data[1] = type;
return desc;
}
static struct udc_descriptor *desc_list = 0;
static unsigned next_string_id = 1;
void udc_descriptor_register(struct udc_descriptor *desc)
{
desc->next = desc_list;
desc_list = desc;
}
unsigned udc_string_desc_alloc(const char *str)
{
unsigned len;
struct udc_descriptor *desc;
unsigned char *data;
if (next_string_id > 255)
return 0;
if (!str)
return 0;
len = strlen(str);
desc = udc_descriptor_alloc(TYPE_STRING, next_string_id, len * 2 + 2);
if (!desc)
return 0;
next_string_id++;
/* expand ascii string to utf16 */
data = desc->data + 2;
while (len-- > 0) {
*data++ = *str++;
*data++ = 0;
}
udc_descriptor_register(desc);
return desc->tag & 0xff;
}
/* end of common code */
void hsusb_clock_init(void);
#if 1
#define DBG(x...) do {} while(0)
#else
#define DBG(x...) dprintf(INFO, x)
#endif
#define DBG1(x...) dprintf(INFO, x)
#define usb_status(a,b)
struct usb_request {
struct udc_request req;
struct ept_queue_item *item;
};
struct udc_endpoint
{
struct udc_endpoint *next;
unsigned bit;
struct ept_queue_head *head;
struct usb_request *req;
unsigned char num;
unsigned char in;
unsigned short maxpkt;
};
struct udc_endpoint *ept_list = 0;
struct ept_queue_head *epts = 0;
static int usb_online = 0;
static int usb_highspeed = 0;
static struct udc_device *the_device;
static struct udc_gadget *the_gadget;
struct udc_endpoint *_udc_endpoint_alloc(unsigned num, unsigned in, unsigned max_pkt)
{
struct udc_endpoint *ept;
unsigned cfg;
ept = malloc(sizeof(*ept));
ept->maxpkt = max_pkt;
ept->num = num;
ept->in = !!in;
ept->req = 0;
cfg = CONFIG_MAX_PKT(max_pkt) | CONFIG_ZLT;
if(ept->in) {
ept->bit = EPT_TX(ept->num);
} else {
ept->bit = EPT_RX(ept->num);
if(num == 0)
cfg |= CONFIG_IOS;
}
ept->head = epts + (num * 2) + (ept->in);
ept->head->config = cfg;
ept->next = ept_list;
ept_list = ept;
// arch_clean_invalidate_cache_range(ept->head, 64);
DBG("ept%d %s @%p/%p max=%d bit=%x\n",
num, in ? "in":"out", ept, ept->head, max_pkt, ept->bit);
return ept;
}
static unsigned ept_alloc_table = EPT_TX(0) | EPT_RX(0);
struct udc_endpoint *udc_endpoint_alloc(unsigned type, unsigned maxpkt)
{
struct udc_endpoint *ept;
unsigned n;
unsigned in;
if (type == UDC_TYPE_BULK_IN) {
in = 1;
} else if (type == UDC_TYPE_BULK_OUT) {
in = 0;
} else {
return 0;
}
for (n = 1; n < 16; n++) {
unsigned bit = in ? EPT_TX(n) : EPT_RX(n);
if (ept_alloc_table & bit)
continue;
ept = _udc_endpoint_alloc(n, in, maxpkt);
if (ept)
ept_alloc_table |= bit;
return ept;
}
return 0;
}
void udc_endpoint_free(struct udc_endpoint *ept)
{
/* todo */
}
static void endpoint_enable(struct udc_endpoint *ept, unsigned yes)
{
unsigned n = readl(USB_ENDPTCTRL(ept->num));
if(yes) {
if(ept->in) {
n |= (CTRL_TXE | CTRL_TXR | CTRL_TXT_BULK);
} else {
n |= (CTRL_RXE | CTRL_RXR | CTRL_RXT_BULK);
}
if(ept->num != 0) {
/* XXX should be more dynamic... */
if(usb_highspeed) {
ept->head->config = CONFIG_MAX_PKT(512) | CONFIG_ZLT;
} else {
ept->head->config = CONFIG_MAX_PKT(64) | CONFIG_ZLT;
}
}
}
writel(n, USB_ENDPTCTRL(ept->num));
}
struct udc_request *udc_request_alloc(void)
{
struct usb_request *req;
req = malloc(sizeof(*req));
req->req.buf = 0;
req->req.length = 0;
req->item = memalign(32, 32);
return &req->req;
}
void udc_request_free(struct udc_request *req)
{
free(req);
}
int udc_request_queue(struct udc_endpoint *ept, struct udc_request *_req)
{
struct usb_request *req = (struct usb_request *) _req;
struct ept_queue_item *item = req->item;
unsigned phys = (unsigned) req->req.buf;
item->next = TERMINATE;
item->info = INFO_BYTES(req->req.length) | INFO_IOC | INFO_ACTIVE;
item->page0 = phys;
item->page1 = (phys & 0xfffff000) + 0x1000;
enter_critical_section();
ept->head->next = (unsigned) item;
ept->head->info = 0;
ept->req = req;
// arch_clean_invalidate_cache_range(item, 32);
// arch_clean_invalidate_cache_range(ept->head, 64);
// arch_clean_invalidate_cache_range(req->req.buf, req->req.length);
DBG("ept%d %s queue req=%p\n",
ept->num, ept->in ? "in" : "out", req);
writel(ept->bit, USB_ENDPTPRIME);
exit_critical_section();
return 0;
}
static void handle_ept_complete(struct udc_endpoint *ept)
{
struct ept_queue_item *item;
unsigned actual;
int status;
struct usb_request *req;
DBG("ept%d %s complete req=%p\n",
ept->num, ept->in ? "in" : "out", ept->req);
req = ept->req;
if(req) {
ept->req = 0;
item = req->item;
/* For some reason we are getting the notification for
* transfer completion before the active bit has cleared.
* HACK: wait for the ACTIVE bit to clear:
*/
while (readl(&(item->info)) & INFO_ACTIVE) ;
// arch_clean_invalidate_cache_range(item, 32);
// arch_clean_invalidate_cache_range(req->req.buf, req->req.length);
if(item->info & 0xff) {
actual = 0;
status = -1;
dprintf(INFO, "EP%d/%s FAIL nfo=%x pg0=%x\n",
ept->num, ept->in ? "in" : "out", item->info, item->page0);
} else {
actual = req->req.length - ((item->info >> 16) & 0x7fff);
status = 0;
}
if(req->req.complete)
req->req.complete(&req->req, actual, status);
}
}
static const char *reqname(unsigned r)
{
switch(r) {
case GET_STATUS: return "GET_STATUS";
case CLEAR_FEATURE: return "CLEAR_FEATURE";
case SET_FEATURE: return "SET_FEATURE";
case SET_ADDRESS: return "SET_ADDRESS";
case GET_DESCRIPTOR: return "GET_DESCRIPTOR";
case SET_DESCRIPTOR: return "SET_DESCRIPTOR";
case GET_CONFIGURATION: return "GET_CONFIGURATION";
case SET_CONFIGURATION: return "SET_CONFIGURATION";
case GET_INTERFACE: return "GET_INTERFACE";
case SET_INTERFACE: return "SET_INTERFACE";
default: return "*UNKNOWN*";
}
}
static struct udc_endpoint *ep0in, *ep0out;
static struct udc_request *ep0req;
static void setup_ack(void)
{
ep0req->complete = 0;
ep0req->length = 0;
udc_request_queue(ep0in, ep0req);
}
static void ep0in_complete(struct udc_request *req, unsigned actual, int status)
{
DBG("ep0in_complete %p %d %d\n", req, actual, status);
if(status == 0) {
req->length = 0;
req->complete = 0;
udc_request_queue(ep0out, req);
}
}
static void setup_tx(void *buf, unsigned len)
{
DBG("setup_tx %p %d\n", buf, len);
memcpy(ep0req->buf, buf, len);
ep0req->complete = ep0in_complete;
ep0req->length = len;
udc_request_queue(ep0in, ep0req);
}
static unsigned char usb_config_value = 0;
#define SETUP(type,request) (((type) << 8) | (request))
static void handle_setup(struct udc_endpoint *ept)
{
struct setup_packet s;
memcpy(&s, ept->head->setup_data, sizeof(s));
writel(ept->bit, USB_ENDPTSETUPSTAT);
#if 0
DBG("handle_setup type=0x%02x req=0x%02x val=%d idx=%d len=%d (%s)\n",
s.type, s.request, s.value, s.index, s.length,
reqname(s.request));
#endif
switch (SETUP(s.type,s.request)) {
case SETUP(DEVICE_READ, GET_STATUS): {
unsigned zero = 0;
if (s.length == 2) {
setup_tx(&zero, 2);
return;
}
break;
}
case SETUP(DEVICE_READ, GET_DESCRIPTOR): {
struct udc_descriptor *desc;
/* usb_highspeed? */
for (desc = desc_list; desc; desc = desc->next) {
if (desc->tag == s.value) {
unsigned len = desc->len;
if (len > s.length) len = s.length;
setup_tx(desc->data, len);
return;
}
}
break;
}
case SETUP(DEVICE_READ, GET_CONFIGURATION):
/* disabling this causes data transaction failures on OSX. Why? */
if ((s.value == 0) && (s.index == 0) && (s.length == 1)) {
setup_tx(&usb_config_value, 1);
return;
}
break;
case SETUP(DEVICE_WRITE, SET_CONFIGURATION):
if (s.value == 1) {
struct udc_endpoint *ept;
/* enable endpoints */
for (ept = ept_list; ept; ept = ept->next){
if (ept->num == 0)
continue;
endpoint_enable(ept, s.value);
}
usb_config_value = 1;
the_gadget->notify(the_gadget, UDC_EVENT_ONLINE);
} else {
writel(0, USB_ENDPTCTRL(1));
usb_config_value = 0;
the_gadget->notify(the_gadget, UDC_EVENT_OFFLINE);
}
setup_ack();
usb_online = s.value ? 1 : 0;
usb_status(s.value ? 1 : 0, usb_highspeed);
return;
case SETUP(DEVICE_WRITE, SET_ADDRESS):
/* write address delayed (will take effect
** after the next IN txn)
*/
writel((s.value << 25) | (1 << 24), USB_DEVICEADDR);
setup_ack();
return;
case SETUP(INTERFACE_WRITE, SET_INTERFACE):
/* if we ack this everything hangs */
/* per spec, STALL is valid if there is not alt func */
goto stall;
case SETUP(ENDPOINT_WRITE, CLEAR_FEATURE): {
struct udc_endpoint *ept;
unsigned num = s.index & 15;
unsigned in = !!(s.index & 0x80);
if ((s.value == 0) && (s.length == 0)) {
DBG("clr feat %d %d\n", num, in);
for (ept = ept_list; ept; ept = ept->next) {
if ((ept->num == num) && (ept->in == in)) {
endpoint_enable(ept, 1);
setup_ack();
return;
}
}
}
break;
}
}
dprintf(INFO, "STALL %s %d %d %d %d %d\n",
reqname(s.request),
s.type, s.request, s.value, s.index, s.length);
stall:
writel((1<<16) | (1 << 0), USB_ENDPTCTRL(ept->num));
}
unsigned ulpi_read(unsigned reg)
{
/* initiate read operation */
writel(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg),
USB_ULPI_VIEWPORT);
/* wait for completion */
while(readl(USB_ULPI_VIEWPORT) & ULPI_RUN) ;
return ULPI_DATA_READ(readl(USB_ULPI_VIEWPORT));
}
void ulpi_write(unsigned val, unsigned reg)
{
/* initiate write operation */
writel(ULPI_RUN | ULPI_WRITE |
ULPI_ADDR(reg) | ULPI_DATA(val),
USB_ULPI_VIEWPORT);
/* wait for completion */
while(readl(USB_ULPI_VIEWPORT) & ULPI_RUN) ;
}
void board_usb_init(void);
void board_ulpi_init(void);
int udc_init(struct udc_device *dev)
{
hsusb_clock_init();
epts = memalign(4096, 4096);
dprintf(INFO, "USB init ept @ %p\n", epts);
memset(epts, 0, 32 * sizeof(struct ept_queue_head));
dprintf(INFO, "USB ID %08x\n", readl(USB_ID));
// board_usb_init();
/* select ULPI phy */
writel(0x81000000, USB_PORTSC);
/* RESET */
writel(0x00080002, USB_USBCMD);
thread_sleep(20);
// board_ulpi_init();
// arch_clean_invalidate_cache_range(epts, 32 * sizeof(struct ept_queue_head));
writel((unsigned) epts, USB_ENDPOINTLISTADDR);
/* select DEVICE mode */
writel(0x02, USB_USBMODE);
writel(0xffffffff, USB_ENDPTFLUSH);
thread_sleep(20);
ep0out = _udc_endpoint_alloc(0, 0, 64);
ep0in = _udc_endpoint_alloc(0, 1, 64);
ep0req = udc_request_alloc();
ep0req->buf = malloc(4096);
{
/* create and register a language table descriptor */
/* language 0x0409 is US English */
struct udc_descriptor *desc = udc_descriptor_alloc(TYPE_STRING, 0, 4);
desc->data[2] = 0x09;
desc->data[3] = 0x04;
udc_descriptor_register(desc);
}
the_device = dev;
return 0;
}
enum handler_return udc_interrupt(void *arg)
{
struct udc_endpoint *ept;
unsigned ret = INT_NO_RESCHEDULE;
unsigned n = readl(USB_USBSTS);
writel(n, USB_USBSTS);
n &= (STS_SLI | STS_URI | STS_PCI | STS_UI | STS_UEI);
if (n == 0)
return ret;
if (n & STS_URI) {
writel(readl(USB_ENDPTCOMPLETE), USB_ENDPTCOMPLETE);
writel(readl(USB_ENDPTSETUPSTAT), USB_ENDPTSETUPSTAT);
writel(0xffffffff, USB_ENDPTFLUSH);
writel(0, USB_ENDPTCTRL(1));
DBG1("-- reset --\n");
usb_online = 0;
usb_config_value = 0;
the_gadget->notify(the_gadget, UDC_EVENT_OFFLINE);
/* error out any pending reqs */
for (ept = ept_list; ept; ept = ept->next) {
/* ensure that ept_complete considers
* this to be an error state
*/
if (ept->req) {
ept->req->item->info = INFO_HALTED;
handle_ept_complete(ept);
}
}
usb_status(0, usb_highspeed);
}
if (n & STS_SLI) {
DBG1("-- suspend --\n");
}
if (n & STS_PCI) {
DBG1("-- portchange --\n");
unsigned spd = (readl(USB_PORTSC) >> 26) & 3;
if(spd == 2) {
usb_highspeed = 1;
} else {
usb_highspeed = 0;
}
}
if (n & STS_UEI) {
dprintf(INFO, "<UEI %x>\n", readl(USB_ENDPTCOMPLETE));
}
#if 0
DBG("STS: ");
if (n & STS_UEI) DBG("ERROR ");
if (n & STS_SLI) DBG("SUSPEND ");
if (n & STS_URI) DBG("RESET ");
if (n & STS_PCI) DBG("PORTCHANGE ");
if (n & STS_UI) DBG("USB ");
DBG("\n");
#endif
if ((n & STS_UI) || (n & STS_UEI)) {
n = readl(USB_ENDPTSETUPSTAT);
if (n & EPT_RX(0)) {
handle_setup(ep0out);
ret = INT_RESCHEDULE;
}
n = readl(USB_ENDPTCOMPLETE);
if (n != 0) {
writel(n, USB_ENDPTCOMPLETE);
}
for (ept = ept_list; ept; ept = ept->next){
if (n & ept->bit) {
handle_ept_complete(ept);
ret = INT_RESCHEDULE;
}
}
}
return ret;
}
int udc_register_gadget(struct udc_gadget *gadget)
{
if (the_gadget) {
dprintf(CRITICAL, "only one gadget supported\n");
return -1;
}
the_gadget = gadget;
return 0;
}
static void udc_ept_desc_fill(struct udc_endpoint *ept, unsigned char *data)
{
data[0] = 7;
data[1] = TYPE_ENDPOINT;
data[2] = ept->num | (ept->in ? 0x80 : 0x00);
data[3] = 0x02; /* bulk -- the only kind we support */
data[4] = ept->maxpkt;
data[5] = ept->maxpkt >> 8;
data[6] = ept->in ? 0x00 : 0x01;
}
static unsigned udc_ifc_desc_size(struct udc_gadget *g)
{
return 9 + g->ifc_endpoints * 7;
}
static void udc_ifc_desc_fill(struct udc_gadget *g, unsigned char *data)
{
unsigned n;
data[0] = 0x09;
data[1] = TYPE_INTERFACE;
data[2] = 0x00; /* ifc number */
data[3] = 0x00; /* alt number */
data[4] = g->ifc_endpoints;
data[5] = g->ifc_class;
data[6] = g->ifc_subclass;
data[7] = g->ifc_protocol;
data[8] = udc_string_desc_alloc(g->ifc_string);
data += 9;
for (n = 0; n < g->ifc_endpoints; n++) {
udc_ept_desc_fill(g->ept[n], data);
data += 7;
}
}
int udc_start(void)
{
struct udc_descriptor *desc;
unsigned char *data;
unsigned size;
dprintf(INFO, "udc_start()\n");
if (!the_device) {
dprintf(CRITICAL, "udc cannot start before init\n");
return -1;
}
if (!the_gadget) {
dprintf(CRITICAL, "udc has no gadget registered\n");
return -1;
}
/* create our device descriptor */
desc = udc_descriptor_alloc(TYPE_DEVICE, 0, 18);
data = desc->data;
data[2] = 0x10; /* usb spec rev 2.10 */
data[3] = 0x02;
data[4] = 0x00; /* class */
data[5] = 0x00; /* subclass */
data[6] = 0x00; /* protocol */
data[7] = 0x40; /* max packet size on ept 0 */
memcpy(data + 8, &the_device->vendor_id, sizeof(short));
memcpy(data + 10, &the_device->product_id, sizeof(short));
memcpy(data + 12, &the_device->version_id, sizeof(short));
data[14] = udc_string_desc_alloc(the_device->manufacturer);
data[15] = udc_string_desc_alloc(the_device->product);
data[16] = udc_string_desc_alloc(the_device->serialno);
data[17] = 1; /* number of configurations */
udc_descriptor_register(desc);
/* create our configuration descriptor */
size = 9 + udc_ifc_desc_size(the_gadget);
desc = udc_descriptor_alloc(TYPE_CONFIGURATION, 0, size);
data = desc->data;
data[0] = 0x09;
data[2] = size;
data[3] = size >> 8;
data[4] = 0x01; /* number of interfaces */
data[5] = 0x01; /* configuration value */
data[6] = 0x00; /* configuration string */
data[7] = 0x80; /* attributes */
data[8] = 0x80; /* max power (250ma) -- todo fix this */
udc_ifc_desc_fill(the_gadget, data + 9);
udc_descriptor_register(desc);
/* go to RUN mode (D+ pullup enable) */
writel(0x00080001, USB_USBCMD);
register_int_handler(INT_USB_HS, udc_interrupt, (void*) 0);
unmask_interrupt(INT_USB_HS);
writel(STS_URI | STS_SLI | STS_UI | STS_PCI, USB_USBINTR);
return 0;
}
int udc_stop(void)
{
writel(0, USB_USBINTR);
mask_interrupt(INT_USB_HS);
/* disable pullup */
writel(0x0008000, USB_USBCMD);
thread_sleep(10);
return 0;
}

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platform/msm_shared/hsusb.h Normal file
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/*
* Copyright (c) 2008, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _MSM7200_USB_H_
#define _MSM7200_USB_H_
#define MSM_USB_BASE 0xA0800000
#define USB_ID (MSM_USB_BASE + 0x0000)
#define USB_HWGENERAL (MSM_USB_BASE + 0x0004)
#define USB_HWHOST (MSM_USB_BASE + 0x0008)
#define USB_HWDEVICE (MSM_USB_BASE + 0x000C)
#define USB_HWTXBUF (MSM_USB_BASE + 0x0010)
#define USB_HWRXBUF (MSM_USB_BASE + 0x0014)
#define USB_SBUSCFG (MSM_USB_BASE + 0x0090)
#define USB_CAPLENGTH (MSM_USB_BASE + 0x0100) /* 8 bit */
#define USB_HCIVERSION (MSM_USB_BASE + 0x0102) /* 16 bit */
#define USB_HCSPARAMS (MSM_USB_BASE + 0x0104)
#define USB_HCCPARAMS (MSM_USB_BASE + 0x0108)
#define USB_DCIVERSION (MSM_USB_BASE + 0x0120) /* 16 bit */
#define USB_USBCMD (MSM_USB_BASE + 0x0140)
#define USB_USBSTS (MSM_USB_BASE + 0x0144)
#define USB_USBINTR (MSM_USB_BASE + 0x0148)
#define USB_FRINDEX (MSM_USB_BASE + 0x014C)
#define USB_DEVICEADDR (MSM_USB_BASE + 0x0154)
#define USB_ENDPOINTLISTADDR (MSM_USB_BASE + 0x0158)
#define USB_BURSTSIZE (MSM_USB_BASE + 0x0160)
#define USB_TXFILLTUNING (MSM_USB_BASE + 0x0164)
#define USB_ULPI_VIEWPORT (MSM_USB_BASE + 0x0170)
#define USB_ENDPTNAK (MSM_USB_BASE + 0x0178)
#define USB_ENDPTNAKEN (MSM_USB_BASE + 0x017C)
#define USB_PORTSC (MSM_USB_BASE + 0x0184)
#define USB_OTGSC (MSM_USB_BASE + 0x01A4)
#define USB_USBMODE (MSM_USB_BASE + 0x01A8)
#define USB_ENDPTSETUPSTAT (MSM_USB_BASE + 0x01AC)
#define USB_ENDPTPRIME (MSM_USB_BASE + 0x01B0)
#define USB_ENDPTFLUSH (MSM_USB_BASE + 0x01B4)
#define USB_ENDPTSTAT (MSM_USB_BASE + 0x01B8)
#define USB_ENDPTCOMPLETE (MSM_USB_BASE + 0x01BC)
#define USB_ENDPTCTRL(n) (MSM_USB_BASE + 0x01C0 + (4 * (n)))
#define USBCMD_RESET 2
#define USBCMD_ATTACH 1
#define USBMODE_DEVICE 2
#define USBMODE_HOST 3
struct ept_queue_head
{
unsigned config;
unsigned current; /* read-only */
unsigned next;
unsigned info;
unsigned page0;
unsigned page1;
unsigned page2;
unsigned page3;
unsigned page4;
unsigned reserved_0;
unsigned char setup_data[8];
unsigned reserved_1;
unsigned reserved_2;
unsigned reserved_3;
unsigned reserved_4;
};
#define CONFIG_MAX_PKT(n) ((n) << 16)
#define CONFIG_ZLT (1 << 29) /* stop on zero-len xfer */
#define CONFIG_IOS (1 << 15) /* IRQ on setup */
struct ept_queue_item
{
unsigned next;
unsigned info;
unsigned page0;
unsigned page1;
unsigned page2;
unsigned page3;
unsigned page4;
unsigned reserved;
};
#define TERMINATE 1
#define INFO_BYTES(n) ((n) << 16)
#define INFO_IOC (1 << 15)
#define INFO_ACTIVE (1 << 7)
#define INFO_HALTED (1 << 6)
#define INFO_BUFFER_ERROR (1 << 5)
#define INFO_TX_ERROR (1 << 3)
#define STS_NAKI (1 << 16) /* */
#define STS_SLI (1 << 8) /* R/WC - suspend state entered */
#define STS_SRI (1 << 7) /* R/WC - SOF recv'd */
#define STS_URI (1 << 6) /* R/WC - RESET recv'd - write to clear */
#define STS_FRI (1 << 3) /* R/WC - Frame List Rollover */
#define STS_PCI (1 << 2) /* R/WC - Port Change Detect */
#define STS_UEI (1 << 1) /* R/WC - USB Error */
#define STS_UI (1 << 0) /* R/WC - USB Transaction Complete */
/* bits used in all the endpoint status registers */
#define EPT_TX(n) (1 << ((n) + 16))
#define EPT_RX(n) (1 << (n))
#define CTRL_TXE (1 << 23)
#define CTRL_TXR (1 << 22)
#define CTRL_TXI (1 << 21)
#define CTRL_TXD (1 << 17)
#define CTRL_TXS (1 << 16)
#define CTRL_RXE (1 << 7)
#define CTRL_RXR (1 << 6)
#define CTRL_RXI (1 << 5)
#define CTRL_RXD (1 << 1)
#define CTRL_RXS (1 << 0)
#define CTRL_TXT_CTRL (0 << 18)
#define CTRL_TXT_ISOCH (1 << 18)
#define CTRL_TXT_BULK (2 << 18)
#define CTRL_TXT_INT (3 << 18)
#define CTRL_RXT_CTRL (0 << 2)
#define CTRL_RXT_ISOCH (1 << 2)
#define CTRL_RXT_BULK (2 << 2)
#define CTRL_RXT_INT (3 << 2)
#define ULPI_WAKEUP (1 << 31)
#define ULPI_RUN (1 << 30)
#define ULPI_WRITE (1 << 29)
#define ULPI_READ (0 << 29)
#define ULPI_STATE_NORMAL (1 << 27)
#define ULPI_ADDR(n) (((n) & 255) << 16)
#define ULPI_DATA(n) ((n) & 255)
#define ULPI_DATA_READ(n) (((n) >> 8) & 255)
#endif

3
platform/msm_shared/rules.mk
View File

@@ -3,6 +3,7 @@ LOCAL_DIR := $(GET_LOCAL_DIR)
OBJS += \
$(LOCAL_DIR)/uart.o \
$(LOCAL_DIR)/timer.o \
$(LOCAL_DIR)/proc_comm.o
$(LOCAL_DIR)/proc_comm.o \
$(LOCAL_DIR)/hsusb.o