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Hardware too smart can complicate things... We have to intercept the usb_core reply to SET_CONFIGURATION.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27051 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tobias Diedrich 2010-06-22 13:27:58 +00:00
parent 5c50021b90
commit bf7e632e86
1 changed files with 15 additions and 11 deletions
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26
firmware/target/arm/as3525/usb-drv-as3525.c
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@ -39,6 +39,7 @@
#include "usb-drv-as3525.h"
static struct usb_endpoint endpoints[USB_NUM_EPS][2];
static int got_set_configuration = 0;
/*
* dma/setup descriptors and buffers should avoid sharing
@ -268,11 +269,9 @@ void usb_drv_init(void)
USB_DEV_CFG_CSR_PRG |
USB_DEV_CFG_PHY_ERR_DETECT;
USB_DEV_CTRL = USB_DEV_CTRL_BLEN_1DWORD |
USB_DEV_CTRL_DESC_UPDATE |
USB_DEV_CTRL = USB_DEV_CTRL_DESC_UPDATE |
USB_DEV_CTRL_THRES_ENABLE |
USB_DEV_CTRL_RDE |
0x04000000;
USB_DEV_CTRL_BURST_ENABLE;
USB_DEV_EP_INTR_MASK &= ~((1<<0) | (1<<16)); /* ep 0 */
@ -444,7 +443,7 @@ int usb_drv_recv(int ep, void *ptr, int len)
i++;
}
if (i>2)
panicf("CNAK needed %d retries\n", i);
panicf("ep%d CNAK needed %d retries CTRL=%x\n", ep, i, (int)USB_OEP_CTRL(ep));
}
return 0;
@ -506,6 +505,16 @@ int usb_drv_send(int ep, void *ptr, int len)
logf("usb_drv_send(%d,%x,%d): ", ep, (int)ptr, len);
ep &= 0x7f;
if (ep == 0 && got_set_configuration) {
got_set_configuration = 0;
if (len != 0)
panicf("usb_drv_send: GSC, but len!=0");
/* Tell the HW we handled the request */
USB_DEV_CTRL |= USB_DEV_CTRL_APCSR_DONE;
return 0;
}
ep_send(ep, ptr, len);
while (endpoints[ep][0].state & EP_STATE_BUSY)
wakeup_wait(&endpoints[ep][0].complete, TIMEOUT_BLOCK);
@ -671,9 +680,6 @@ static void usb_tick(void)
}
if (rde_timer > 2) {
logf("usb_tick: flushing EP0 IN\n");
/* FIXME: flushing EP0 here papers over a bug somewhere */
USB_IEP_CTRL(0) |= USB_EP_CTRL_FLUSH;
logf("usb_tick: re-enabling RDE\n");
USB_DEV_CTRL |= USB_DEV_CTRL_RDE;
rde_timer = 0;
@ -728,12 +734,10 @@ void INT_USB(void)
};
logf("set config\n");
got_set_configuration = 1;
set_config.wValue = USB_DEV_STS & USB_DEV_STS_MASK_CFG;
usb_core_control_request(&set_config);
/* Tell the HW we handled the request */
USB_DEV_CTRL |= USB_DEV_CTRL_APCSR_DONE;
intr &= ~USB_DEV_INTR_SET_CONFIG;
}
if (intr & USB_DEV_INTR_EARLY_SUSPEND) {/* idle >3ms detected */