telechips usb: not ready for use but, something is working, needs improvement.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18806 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
parent
1620d1fd03
commit
91b9c6139b
4 changed files with 744 additions and 5 deletions
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@ -240,6 +240,7 @@ void* main(void)
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return 0;
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}
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#ifndef HAVE_USBSTACK
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/* These functions are present in the firmware library, but we reimplement
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them here because the originals do a lot more than we want */
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void usb_acknowledge(void)
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@ -249,3 +250,4 @@ void usb_acknowledge(void)
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void usb_wait_for_disconnect(void)
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{
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}
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#endif
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@ -26,7 +26,7 @@
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/* Externally defined interrupt handlers */
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extern void TIMER(void);
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extern void ADC(void);
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extern void USBD_IRQ(void);
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extern void USB_DEVICE(void);
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void irq(void)
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{
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@ -37,9 +37,9 @@ void irq(void)
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TIMER();
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else if (irq & ADC_IRQ_MASK)
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ADC();
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#ifdef HAVE_USBSTACK
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#ifdef HAVE_USBSTACK
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else if (irq & USBD_IRQ_MASK)
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USBD_IRQ();
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USB_DEVICE();
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#endif
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else
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panicf("Unhandled IRQ 0x%08X", irq);
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@ -21,9 +21,744 @@
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#include "config.h"
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#include "usb.h"
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#include "system.h"
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#include "usb-tcc7xx.h"
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#include "cpu.h"
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#include "system.h"
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#include "kernel.h"
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#include "panic.h"
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#ifdef HAVE_USBSTACK
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#include "usb_ch9.h"
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#include "usb_core.h"
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#define TCC7xx_USB_EPIF_IRQ_MASK 0xf
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static int dbg_level = 0x02;
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static int global_ep_irq_mask = 0x1;
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#define DEBUG(level, fmt, args...) do { if (dbg_level & (level)) printf(fmt, ## args); } while (0)
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#include <inttypes.h>
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#include "sprintf.h"
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#include "power.h"
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#ifndef BOOTLOADER
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#define printf(...) do {} while (0)
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#define panicf_my panicf
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#else
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int printf(const char *fmt, ...);
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#define panicf_my(fmt, args...) { \
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int flags = disable_irq_save(); \
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printf("*** PANIC ***"); \
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printf(fmt, ## args); \
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printf("*** PANIC ***"); \
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while (usb_detect() == USB_INSERTED) \
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; \
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power_off(); \
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while(1); \
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restore_irq(flags); \
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}
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#endif
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struct tcc_ep {
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unsigned char dir; /* endpoint direction */
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volatile uint16_t *ep; /* hw ep buffer */
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int id; /* Endpoint id */
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int mask; /* Endpoint bit mask */
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char *buf; /* user buffer to store data */
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int max_len; /* how match data will fit */
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int count; /* actual data count */
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bool busy;
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} ;
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static struct tcc_ep tcc_endpoints[] = {
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/* control */
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{
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.dir = -1,
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.ep = &TCC7xx_USB_EP0_BUF,
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}, { /* bulk */
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.dir = -1,
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.ep = &TCC7xx_USB_EP1_BUF,
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}, { /* bulk */
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.dir = -1,
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.ep = &TCC7xx_USB_EP2_BUF,
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}, { /* interrupt */
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.dir = -1,
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.ep = &TCC7xx_USB_EP3_BUF,
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},
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} ;
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static int usb_drv_write_packet(volatile unsigned short *buf, unsigned char *data, int len, int max);
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static void usb_set_speed(int);
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int usb_drv_request_endpoint(int dir)
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{
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int flags = disable_irq_save();
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size_t ep;
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int ret = 0;
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if (dir == USB_DIR_IN)
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ep = 1;
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else
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ep = 2;
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if (!tcc_endpoints[ep].busy) {
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tcc_endpoints[ep].busy = true;
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tcc_endpoints[ep].dir = dir;
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ret = ep | dir;
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} else {
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ret = -1;
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}
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restore_irq(flags);
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return ret;
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}
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void usb_drv_release_endpoint(int ep)
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{
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int flags;
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ep = ep & 0x7f;
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if (ep < 1 || ep > NUM_ENDPOINTS)
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return ;
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flags = disable_irq_save();
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tcc_endpoints[ep].busy = false;
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tcc_endpoints[ep].dir = -1;
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restore_irq(flags);
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}
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static void udelay(unsigned long msecs)
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{
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/* TODO: implement me other way */
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msecs*=126;
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while (msecs--)
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asm("nop;");
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}
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static inline void pullup_on(void)
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{
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TCC7xx_USB_PHY_CFG = 0x000c;
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}
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static inline void pullup_off(void)
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{
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TCC7xx_USB_PHY_CFG = 0x3e4c;
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}
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#if 0
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static
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char *dump_data(char *data, int count)
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{
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static char buf[1024];
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char *dump = buf;
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int i;
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for (i = 0; i < count; i++)
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dump += snprintf(dump, sizeof(buf) - (dump - buf), "%02x", data[i]);
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return buf;
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}
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#endif
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static
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void handle_control(void)
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{
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/* control are always 8 bytes len */
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static unsigned char ep_control[8];
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struct usb_ctrlrequest *req =
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(struct usb_ctrlrequest *) ep_control;
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unsigned short stat;
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unsigned short count = 0;
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int i;
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int type;
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/* select control endpoint */
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TCC7xx_USB_INDEX = 0x00;
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stat = TCC7xx_USB_EP0_STAT;
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if (stat & 0x10) {
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DEBUG(2, "stall");
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TCC7xx_USB_EP0_STAT = 0x10;
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}
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if (TCC7xx_USB_EP0_STAT & 0x01) { /* RX */
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uint16_t *ptr = (uint16_t *) ep_control;
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count = TCC7xx_USB_EP_BRCR;
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if (TCC7xx_USB_EP0_STAT & 0x2)
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TCC7xx_USB_EP0_STAT = 0x02;
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if (count != 4) { /* bad control? */
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unsigned short dummy;
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while (count--)
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dummy = TCC7xx_USB_EP0_BUF;
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DEBUG(1, "WTF: count = %d", count);
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} else {
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/* simply read control packet */
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for (i = 0; i < count; i++)
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ptr[i] = TCC7xx_USB_EP0_BUF;
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}
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count *= 2;
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TCC7xx_USB_EP0_STAT = 0x01;
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DEBUG(1, "CTRL: len = %d %04x", count, stat);
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} else if (TCC7xx_USB_EP0_STAT & 0x02) { /* TX */
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TCC7xx_USB_EP0_STAT = 0x02;
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DEBUG(2, "TX Done\n");
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} else {
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DEBUG(1, "stat: %04x", stat);
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}
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TCC7xx_USB_EPIF = 1;
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if (0 == (stat & 0x1) || count != 8)
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return ;
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#if 1 /* TODO: remove me someday */
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{
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int i;
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uint16_t *ptr = (uint16_t *) ep_control;
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for (i = 1; i < (count>>1); i++) {
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if (ptr[i] != ptr[0])
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break;
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}
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if (i == (count>>1)) {
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/*DEBUG(2, */panicf_my("sanity failed");
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return ;
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}
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}
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#endif
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type = req->bRequestType;
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/* TODO: don't pass some kinds of requests to upper level */
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switch (req->bRequest) {
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case USB_REQ_CLEAR_FEATURE:
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DEBUG(2, "USB_REQ_CLEAR_FEATURE");
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DEBUG(2, "...%04x %04x", req->wValue, req->wIndex);
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break;
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case USB_REQ_SET_ADDRESS:
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//DEBUG(2, "USB_REQ_SET_ADDRESS, %d %d", req->wValue, TCC7xx_USB_FUNC);
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/* seems we don't have to set it manually
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TCC7xx_USB_FUNC = req->wValue; */
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break;
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case USB_REQ_GET_DESCRIPTOR:
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DEBUG(2, "gd, %02x %02x", req->wValue, req->wIndex);
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break;
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case USB_REQ_GET_CONFIGURATION:
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DEBUG(2, "USB_REQ_GET_CONFIGURATION");
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break;
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default:
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DEBUG(2, "req: %02x %02d", req->bRequestType, req->bRequest);
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}
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usb_core_control_request(req);
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}
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static
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void handle_ep_in(struct tcc_ep *tcc_ep, uint16_t stat)
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{
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uint8_t *buf = tcc_ep->buf;
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uint16_t *wbuf = (uint16_t *) buf;
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int wcount;
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int count;
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int i;
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if (tcc_ep->dir != USB_DIR_OUT) {
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panicf_my("ep%d: is input only", tcc_ep->id);
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}
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wcount = TCC7xx_USB_EP_BRCR;
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DEBUG(2, "ep%d: %04x %04x", tcc_ep->id, stat, wcount);
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/* read data */
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count = wcount * 2;
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if (stat & TCC7xx_USP_EP_STAT_LWO) {
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count--;
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wcount--;
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}
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if (buf == NULL)
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panicf_my("ep%d: Unexpected packet! %d %x", tcc_ep->id, count, TCC7xx_USB_EP_CTRL);
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if (tcc_ep->max_len < count)
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panicf_my("Too big packet: %d excepted %d %x", count, tcc_ep->max_len, TCC7xx_USB_EP_CTRL);
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for (i = 0; i < wcount; i++)
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wbuf[i] = *tcc_ep->ep;
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if (count & 1) { /* lwo */
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uint16_t tmp = *tcc_ep->ep;
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buf[count - 1] = tmp & 0xff;
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}
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tcc_ep->buf = NULL;
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TCC7xx_USB_EP_STAT = TCC7xx_USB_EP_STAT;
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TCC7xx_USB_EPIF = tcc_ep->mask;
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TCC7xx_USB_EPIE &= ~tcc_ep->mask; /* TODO: use INGLD? */
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global_ep_irq_mask &= ~tcc_ep->mask;
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if (TCC7xx_USB_EP_STAT & 0x1)
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panicf_my("One more packet?");
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TCC7xx_USB_EP_CTRL |= TCC7xx_USB_EP_CTRL_OUTHD;
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usb_core_transfer_complete(tcc_ep->id, USB_DIR_OUT, 0, count);
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}
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static
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void handle_ep_out(struct tcc_ep *tcc_ep, uint16_t stat)
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{
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(void) stat;
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if (tcc_ep->dir != USB_DIR_IN) {
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panicf_my("ep%d: is out only", tcc_ep->id);
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}
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if (tcc_ep->buf == NULL) {
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panicf_my("%s:%d", __FILE__, __LINE__);
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}
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if (tcc_ep->max_len) {
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int count = usb_drv_write_packet(tcc_ep->ep,
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tcc_ep->buf,
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tcc_ep->max_len,
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512);
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tcc_ep->buf += count;
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tcc_ep->max_len -= count;
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tcc_ep->count += count;
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} else {
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tcc_ep->buf = NULL;
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}
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TCC7xx_USB_EP_STAT = 0x2; /* Clear TX stat */
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TCC7xx_USB_EPIF = tcc_ep->mask;
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if (tcc_ep->buf == NULL) {
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TCC7xx_USB_EPIE &= ~tcc_ep->mask;
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global_ep_irq_mask &= ~tcc_ep->mask;
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usb_core_transfer_complete(tcc_ep->id, USB_DIR_IN, 0, tcc_ep->count);
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}
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}
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static
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void handle_ep(unsigned short ep_irq)
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{
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if (ep_irq & 0x1) {
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handle_control();
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}
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if (ep_irq & 0xe) {
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int endpoint;
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for (endpoint = 1; endpoint < 4; endpoint++) {
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struct tcc_ep *tcc_ep = &tcc_endpoints[endpoint];
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uint16_t stat;
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if (0 == (ep_irq & (1 << endpoint)))
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continue;
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if (!tcc_ep->busy)
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panicf_my("ep%d: wasn't requested", endpoint);
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TCC7xx_USB_INDEX = endpoint;
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stat = TCC7xx_USB_EP_STAT;
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DEBUG(1, "ep%d: %04x", endpoint, stat);
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if (stat & 0x1)
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handle_ep_in(tcc_ep, stat);
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else if (stat & 0x2)
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handle_ep_out(tcc_ep, stat);
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else /* TODO: remove me? */
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panicf_my("Unhandled ep%d state: %x, %d", endpoint, TCC7xx_USB_EP_STAT, TCC7xx_USB_INDEX);
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}
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}
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}
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static void usb_set_speed(int high_speed)
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{
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TCC7xx_USB_EP_DIR = 0x0000;
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/* control endpoint */
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TCC7xx_USB_INDEX = 0;
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TCC7xx_USB_EP0_CTRL = 0x0000;
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TCC7xx_USB_EP_MAXP = 64;
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TCC7xx_USB_EP_CTRL = TCC7xx_USB_EP_CTRL_CDP | TCC7xx_USB_EP_CTRL_FLUSH;
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/* ep1: bulk-in, to host */
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TCC7xx_USB_INDEX = 1;
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TCC7xx_USB_EP_DIR |= (1 << 1);
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TCC7xx_USB_EP_CTRL = TCC7xx_USB_EP_CTRL_CDP;
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if (high_speed)
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TCC7xx_USB_EP_MAXP = 512;
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else
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TCC7xx_USB_EP_MAXP = 64;
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TCC7xx_USB_EP_DMA_CTRL = 0x0;
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/* ep2: bulk-out, from host */
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TCC7xx_USB_INDEX = 2;
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TCC7xx_USB_EP_DIR &= ~(1 << 2);
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TCC7xx_USB_EP_CTRL = TCC7xx_USB_EP_CTRL_CDP;
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if (high_speed)
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TCC7xx_USB_EP_MAXP = 512;
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else
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TCC7xx_USB_EP_MAXP = 64;
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TCC7xx_USB_EP_DMA_CTRL = 0x0;
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/* ep3: interrupt in */
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TCC7xx_USB_INDEX = 3;
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TCC7xx_USB_EP_DIR &= ~(1 << 3);
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TCC7xx_USB_EP_CTRL = TCC7xx_USB_EP_CTRL_CDP;
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TCC7xx_USB_EP_MAXP = 64;
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TCC7xx_USB_EP_DMA_CTRL = 0x0;
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}
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/*
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Reset TCC7xx usb device
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*/
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static void usb_reset(void)
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{
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pullup_on();
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TCC7xx_USB_DELAY_CTRL |= 0x81;
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TCC7xx_USB_SYS_CTRL = 0xa000 |
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TCC7xx_USB_SYS_CTRL_RESET |
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TCC7xx_USB_SYS_CTRL_RFRE |
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TCC7xx_USB_SYS_CTRL_SPDEN |
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TCC7xx_USB_SYS_CTRL_VBONE |
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TCC7xx_USB_SYS_CTRL_VBOFE;
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usb_set_speed(1);
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pullup_on();
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TCC7xx_USB_EPIF = TCC7xx_USB_EPIF_IRQ_MASK;
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global_ep_irq_mask = 0x1;
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TCC7xx_USB_EPIE = global_ep_irq_mask;
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usb_core_bus_reset();
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}
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/* IRQ handler */
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void USB_DEVICE(void)
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{
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unsigned short sys_stat;
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unsigned short ep_irq;
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unsigned short index_save;
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sys_stat = TCC7xx_USB_SYS_STAT;
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if (sys_stat & TCC7xx_USB_SYS_STAT_RESET) {
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TCC7xx_USB_SYS_STAT = TCC7xx_USB_SYS_STAT_RESET;
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usb_reset();
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TCC7xx_USB_SYS_CTRL |= TCC7xx_USB_SYS_CTRL_SUSPEND;
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DEBUG(2, "reset");
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}
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if (sys_stat & TCC7xx_USB_SYS_STAT_RESUME) {
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TCC7xx_USB_SYS_STAT = TCC7xx_USB_SYS_STAT_RESUME;
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||||
usb_reset();
|
||||
TCC7xx_USB_SYS_CTRL |= TCC7xx_USB_SYS_CTRL_SUSPEND;
|
||||
DEBUG(2, "resume");
|
||||
}
|
||||
|
||||
if (sys_stat & TCC7xx_USB_SYS_STAT_SPD_END) {
|
||||
usb_set_speed(1);
|
||||
TCC7xx_USB_SYS_STAT = TCC7xx_USB_SYS_STAT_SPD_END;
|
||||
DEBUG(2, "spd end");
|
||||
}
|
||||
|
||||
if (sys_stat & TCC7xx_USB_SYS_STAT_ERRORS) {
|
||||
DEBUG(2, "errors: %4x", sys_stat & TCC7xx_USB_SYS_STAT_ERRORS);
|
||||
TCC7xx_USB_SYS_STAT = sys_stat & TCC7xx_USB_SYS_STAT_ERRORS;
|
||||
}
|
||||
|
||||
// TCC7xx_USB_SYS_STAT = sys_stat;
|
||||
|
||||
index_save = TCC7xx_USB_INDEX;
|
||||
|
||||
ep_irq = TCC7xx_USB_EPIF & global_ep_irq_mask;
|
||||
|
||||
while (ep_irq & TCC7xx_USB_EPIF_IRQ_MASK) {
|
||||
handle_ep(ep_irq);
|
||||
|
||||
/* is that really needed, btw not a problem for rockbox */
|
||||
udelay(50);
|
||||
ep_irq = TCC7xx_USB_EPIF & global_ep_irq_mask;
|
||||
}
|
||||
|
||||
TCC7xx_USB_INDEX = index_save;
|
||||
}
|
||||
|
||||
void usb_drv_set_address(int address)
|
||||
{
|
||||
DEBUG(2, "setting address %d %d", address, TCC7xx_USB_FUNC);
|
||||
}
|
||||
|
||||
int usb_drv_port_speed(void)
|
||||
{
|
||||
return (TCC7xx_USB_SYS_STAT & 0x10) ? 1 : 0;
|
||||
}
|
||||
|
||||
static int usb_drv_write_packet(volatile unsigned short *buf, unsigned char *data, int len, int max)
|
||||
{
|
||||
uint16_t *wbuf = (uint16_t *) data;
|
||||
int count, i;
|
||||
|
||||
len = MIN(len, max);
|
||||
count = (len + 1) / 2;
|
||||
|
||||
TCC7xx_USB_EP_BWCR = len;
|
||||
|
||||
for (i = 0; i < count; i++)
|
||||
*buf = *wbuf++;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
int usb_drv_send(int endpoint, void *ptr, int length)
|
||||
{
|
||||
int flags = disable_irq_save();
|
||||
int rc = 0;
|
||||
char *data = (unsigned char*) ptr;;
|
||||
|
||||
DEBUG(2, "%s(%d,%d)" , __func__, endpoint, length);
|
||||
|
||||
if (endpoint != 0)
|
||||
panicf_my("%s(%d,%d)", __func__, endpoint, length);
|
||||
|
||||
TCC7xx_USB_INDEX = 0;
|
||||
while (length > 0) {
|
||||
int ret;
|
||||
|
||||
ret = usb_drv_write_packet(&TCC7xx_USB_EP0_BUF, data, length, 64);
|
||||
length -= ret;
|
||||
data += ret;
|
||||
|
||||
while (0 == (TCC7xx_USB_EP0_STAT & 0x2))
|
||||
;
|
||||
TCC7xx_USB_EP0_STAT = 0x2;
|
||||
}
|
||||
|
||||
restore_irq(flags);
|
||||
return rc;
|
||||
}
|
||||
|
||||
int usb_drv_send_nonblocking(int endpoint, void *ptr, int length)
|
||||
{
|
||||
int flags;
|
||||
int rc = 0, count = length;
|
||||
char *data = (unsigned char*) ptr;
|
||||
struct tcc_ep *ep = &tcc_endpoints[endpoint & 0x7f];
|
||||
|
||||
if (ep->dir != USB_DIR_IN || length == 0)
|
||||
panicf_my("%s(%d,%d): Not supported", __func__, endpoint, length);
|
||||
|
||||
DEBUG(2, "%s(%d,%d):", __func__, endpoint, length);
|
||||
|
||||
flags = disable_irq_save();
|
||||
|
||||
if(ep->buf != NULL) {
|
||||
panicf_my("%s: ep is already busy", __func__);
|
||||
}
|
||||
|
||||
TCC7xx_USB_INDEX = ep->id;
|
||||
|
||||
count = usb_drv_write_packet(ep->ep, data, length, 512);
|
||||
|
||||
data += count;
|
||||
length -= count;
|
||||
|
||||
ep->buf = data;
|
||||
ep->max_len = length;
|
||||
ep->count = count;
|
||||
|
||||
TCC7xx_USB_EPIE |= ep->mask;
|
||||
global_ep_irq_mask |= ep->mask;
|
||||
|
||||
restore_irq(flags);
|
||||
|
||||
DEBUG(2, "%s end", __func__);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
int usb_drv_recv(int endpoint, void* ptr, int length)
|
||||
{
|
||||
volatile struct tcc_ep *tcc_ep = &tcc_endpoints[endpoint & 0x7f];
|
||||
int flags;
|
||||
|
||||
if (length == 0) {
|
||||
if (endpoint != 0)
|
||||
panicf_my("%s(%d,%d) zero length?", __func__, endpoint, length);
|
||||
return 0;
|
||||
}
|
||||
// TODO: check ep
|
||||
if (tcc_ep->dir != USB_DIR_OUT)
|
||||
panicf_my("%s(%d,%d)", __func__, endpoint, length);
|
||||
|
||||
DEBUG(2, "%s(%d,%d)", __func__, endpoint, length);
|
||||
|
||||
flags = disable_irq_save();
|
||||
|
||||
if (tcc_ep->buf) {
|
||||
panicf_my("%s: overrun: %x %x", __func__, tcc_ep->buf, tcc_ep);
|
||||
}
|
||||
|
||||
tcc_ep->buf = ptr;
|
||||
tcc_ep->max_len = length;
|
||||
tcc_ep->count = 0;
|
||||
|
||||
TCC7xx_USB_INDEX = tcc_ep->id;
|
||||
|
||||
TCC7xx_USB_EP_CTRL &= ~TCC7xx_USB_EP_CTRL_OUTHD;
|
||||
TCC7xx_USB_EPIE |= tcc_ep->mask;
|
||||
global_ep_irq_mask |= tcc_ep->mask;
|
||||
|
||||
restore_irq(flags);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void usb_drv_cancel_all_transfers(void)
|
||||
{
|
||||
int endpoint;
|
||||
int flags;
|
||||
|
||||
DEBUG(2, "%s", __func__);
|
||||
|
||||
flags = disable_irq_save();
|
||||
for (endpoint = 0; endpoint < 4; endpoint++) {
|
||||
if (tcc_endpoints[endpoint].buf) {
|
||||
/* usb_core_transfer_complete(tcc_endpoints[endpoint].id,
|
||||
tcc_endpoints[endpoint].dir, -1, 0); */
|
||||
tcc_endpoints[endpoint].buf = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
global_ep_irq_mask = 1;
|
||||
TCC7xx_USB_EPIE = global_ep_irq_mask;
|
||||
TCC7xx_USB_EPIF = TCC7xx_USB_EPIF_IRQ_MASK;
|
||||
restore_irq(flags);
|
||||
}
|
||||
|
||||
void usb_drv_set_test_mode(int mode)
|
||||
{
|
||||
panicf_my("%s(%d)", __func__, mode);
|
||||
}
|
||||
|
||||
bool usb_drv_stalled(int endpoint, bool in)
|
||||
{
|
||||
panicf_my("%s(%d,%d)", __func__, endpoint, in);
|
||||
}
|
||||
|
||||
void usb_drv_stall(int endpoint, bool stall,bool in)
|
||||
{
|
||||
printf("%s(%d,%d,%d)", __func__, endpoint, stall, in);
|
||||
}
|
||||
|
||||
void usb_drv_init(void)
|
||||
{
|
||||
size_t i;
|
||||
|
||||
DEBUG(2, "%s", __func__);
|
||||
|
||||
for (i = 0; i < sizeof(tcc_endpoints)/sizeof(struct tcc_ep); i++) {
|
||||
tcc_endpoints[i].id = i;
|
||||
tcc_endpoints[i].mask = 1 << i;
|
||||
tcc_endpoints[i].buf = NULL;
|
||||
tcc_endpoints[i].busy = false;
|
||||
tcc_endpoints[i].dir = -1;
|
||||
}
|
||||
|
||||
/* Enable USB clock */
|
||||
BCLKCTR |= DEV_USBD;
|
||||
|
||||
/* switch USB to host and then reset */
|
||||
TCC7xx_USB_PHY_CFG = 0x3e4c;
|
||||
SWRESET |= DEV_USBD;
|
||||
udelay(50);
|
||||
SWRESET &= ~DEV_USBD;
|
||||
|
||||
usb_reset();
|
||||
|
||||
/* unmask irq */
|
||||
CREQ = USBD_IRQ_MASK;
|
||||
IRQSEL |= USBD_IRQ_MASK;
|
||||
TMODE &= ~USBD_IRQ_MASK;
|
||||
IEN |= USBD_IRQ_MASK;
|
||||
}
|
||||
|
||||
void usb_drv_exit(void)
|
||||
{
|
||||
TCC7xx_USB_EPIE = 0;
|
||||
BCLKCTR &= ~DEV_USBD;
|
||||
|
||||
SWRESET |= DEV_USBD;
|
||||
udelay(50);
|
||||
SWRESET &= ~DEV_USBD;
|
||||
|
||||
pullup_off();
|
||||
}
|
||||
|
||||
void usb_init_device(void)
|
||||
{
|
||||
}
|
||||
|
||||
void usb_enable(bool on)
|
||||
{
|
||||
if (on)
|
||||
usb_core_init();
|
||||
else
|
||||
usb_core_exit();
|
||||
}
|
||||
|
||||
|
||||
int usb_detect(void)
|
||||
{
|
||||
/* TODO: not correct for all targets, we should poll VBUS
|
||||
signal on USB bus. */
|
||||
if (charger_inserted())
|
||||
return USB_INSERTED;
|
||||
return USB_EXTRACTED;
|
||||
}
|
||||
|
||||
#ifdef BOOTLOADER
|
||||
#include "ata.h"
|
||||
void usb_test(void)
|
||||
{
|
||||
int rc;
|
||||
|
||||
printf("ATA");
|
||||
rc = ata_init();
|
||||
|
||||
if(rc) {
|
||||
panicf("ata_init failed");
|
||||
}
|
||||
|
||||
usb_init();
|
||||
usb_start_monitoring();
|
||||
usb_acknowledge(SYS_USB_CONNECTED_ACK);
|
||||
|
||||
while (1) {
|
||||
sleep(HZ);
|
||||
// usb_serial_send("Hello\r\n", 7);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#else
|
||||
void usb_init_device(void)
|
||||
{
|
||||
/* simply switch USB off for now */
|
||||
|
@ -42,3 +777,4 @@ int usb_detect(void)
|
|||
{
|
||||
return USB_EXTRACTED;
|
||||
}
|
||||
#endif
|
||||
|
|
|
@ -50,7 +50,8 @@
|
|||
/* Conditions under which we want the entire driver */
|
||||
#if !defined(BOOTLOADER) || (CONFIG_CPU == SH7034) || \
|
||||
(defined(TOSHIBA_GIGABEAT_S) && defined(USE_ROCKBOX_USB) && defined(USB_STORAGE)) || \
|
||||
(defined(CREATIVE_ZVx) && defined(HAVE_USBSTACK))
|
||||
(defined(HAVE_USBSTACK) && (defined(CREATIVE_ZVx) || \
|
||||
defined(CPU_TCC77X) || defined(CPU_TCC780X)))
|
||||
#define USB_FULL_INIT
|
||||
#endif
|
||||
|
||||
|
|
Loading…
Reference in a new issue