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git://projects.qi-hardware.com/openwrt-xburst.git
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[adm5120] USB driver cleanups, no it is still not finished
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9543 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
parent
5251857754
commit
f02f581137
@ -522,112 +522,6 @@ show_async(struct class_device *class_dev, char *buf)
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}
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static CLASS_DEVICE_ATTR(async, S_IRUGO, show_async, NULL);
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#define DBG_SCHED_LIMIT 64
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static ssize_t
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show_periodic(struct class_device *class_dev, char *buf)
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{
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#if 0
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struct usb_bus *bus;
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struct usb_hcd *hcd;
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struct admhcd *ahcd;
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struct ed **seen, *ed;
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unsigned long flags;
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unsigned temp, size, seen_count;
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char *next;
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unsigned i;
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if (!(seen = kmalloc(DBG_SCHED_LIMIT * sizeof *seen, GFP_ATOMIC)))
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return 0;
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seen_count = 0;
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bus = class_get_devdata(class_dev);
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hcd = bus_to_hcd(bus);
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ahcd = hcd_to_admhcd(hcd);
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next = buf;
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size = PAGE_SIZE;
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temp = scnprintf(next, size, "size = %d\n", NUM_INTS);
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size -= temp;
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next += temp;
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/* dump a snapshot of the periodic schedule (and load) */
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spin_lock_irqsave(&ahcd->lock, flags);
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for (i = 0; i < NUM_INTS; i++) {
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if (!(ed = ahcd->periodic [i]))
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continue;
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temp = scnprintf(next, size, "%2d [%3d]:", i, ahcd->load [i]);
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size -= temp;
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next += temp;
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do {
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temp = scnprintf(next, size, " ed%d/%p",
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ed->interval, ed);
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size -= temp;
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next += temp;
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for (temp = 0; temp < seen_count; temp++) {
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if (seen [temp] == ed)
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break;
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}
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/* show more info the first time around */
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if (temp == seen_count) {
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u32 info = hc32_to_cpu (ahcd, ed->hwINFO);
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struct list_head *entry;
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unsigned qlen = 0;
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/* qlen measured here in TDs, not urbs */
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list_for_each (entry, &ed->td_list)
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qlen++;
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temp = scnprintf(next, size,
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" (%cs dev%d ep%d%s qlen %u"
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" max %d %08x%s%s)",
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(info & ED_SPEED_FULL) ? 'f' : 'l',
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ED_FA_GET(info),
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ED_EN_GET(info),
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(info & ED_ISO) ? "iso" : "int",
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qlen,
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ED_MPS_GET(info),
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info,
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(info & ED_SKIP) ? " K" : "",
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(ed->hwHeadP &
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cpu_to_hc32(ahcd, ED_H)) ?
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" H" : "");
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size -= temp;
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next += temp;
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if (seen_count < DBG_SCHED_LIMIT)
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seen [seen_count++] = ed;
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ed = ed->ed_next;
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} else {
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/* we've seen it and what's after */
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temp = 0;
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ed = NULL;
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}
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} while (ed);
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temp = scnprintf(next, size, "\n");
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size -= temp;
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next += temp;
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}
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spin_unlock_irqrestore(&ahcd->lock, flags);
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kfree (seen);
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return PAGE_SIZE - size;
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#else
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return 0;
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#endif
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}
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static CLASS_DEVICE_ATTR(periodic, S_IRUGO, show_periodic, NULL);
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#undef DBG_SCHED_LIMIT
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static ssize_t
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show_registers(struct class_device *class_dev, char *buf)
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{
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@ -714,7 +608,6 @@ static inline void create_debug_files (struct admhcd *ahcd)
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int retval;
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retval = class_device_create_file(cldev, &class_device_attr_async);
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retval = class_device_create_file(cldev, &class_device_attr_periodic);
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retval = class_device_create_file(cldev, &class_device_attr_registers);
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admhc_dbg(ahcd, "created debug files\n");
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}
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@ -724,7 +617,6 @@ static inline void remove_debug_files (struct admhcd *ahcd)
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struct class_device *cldev = admhcd_to_hcd(ahcd)->self.class_dev;
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class_device_remove_file(cldev, &class_device_attr_async);
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class_device_remove_file(cldev, &class_device_attr_periodic);
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class_device_remove_file(cldev, &class_device_attr_registers);
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}
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@ -45,15 +45,13 @@
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#include "../core/hcd.h"
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#include "../core/hub.h"
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#define DRIVER_VERSION "v0.04"
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#define DRIVER_VERSION "v0.05"
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#define DRIVER_AUTHOR "Gabor Juhos <juhosg at openwrt.org>"
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#define DRIVER_DESC "ADMtek USB 1.1 Host Controller Driver"
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/*-------------------------------------------------------------------------*/
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#define ADMHC_VERBOSE_DEBUG /* not always helpful */
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#define ADMHC_POLL_RH
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#undef ADMHC_LOCK_DMA
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/* For initializing controller (mask in an HCFS mode too) */
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#define OHCI_CONTROL_INIT OHCI_CTRL_CBSR
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@ -206,7 +204,6 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
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/* schedule the ED */
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ret = ed_schedule(ahcd, ed);
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fail0:
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spin_unlock(&urb->lock);
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fail:
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if (ret) {
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@ -261,58 +261,16 @@ static void start_hnp(struct admhcd *ahcd);
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static inline int admhc_port_reset(struct admhcd *ahcd, unsigned port)
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{
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u32 t;
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int c;
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admhc_vdbg(ahcd, "reset port%d\n", port);
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t = admhc_read_portstatus(ahcd, port);
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if (!(t & ADMHC_PS_CCS))
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return -ENODEV;
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if ((t & ADMHC_PS_PRS))
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return 0;
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admhc_write_portstatus(ahcd, port, ADMHC_PS_PRS);
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c = 0;
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do {
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t = admhc_read_portstatus(ahcd, port);
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if (t & ADMHC_PS_PRSC)
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break;
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if (++c > 20) {
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admhc_err(ahcd, "port%d reset timed out\n",port);
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return -EPIPE;
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}
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mdelay(PORT_RESET_HW_MSEC);
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} while (1);
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admhc_vdbg(ahcd, "port%d reset completed within %dms\n", port,
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c * PORT_RESET_HW_MSEC);
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t = admhc_read_portstatus(ahcd, port);
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if (!(t & ADMHC_PS_CCS)) {
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admhc_err(ahcd, "port%d is not connected after reset\n",port);
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return -ENODEV;
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}
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admhc_write_portstatus(ahcd, port, ADMHC_PS_SPE);
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c = 0;
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do {
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t = admhc_read_portstatus(ahcd, port);
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if (t & ADMHC_PS_PESC)
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break;
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if (++c > 20) {
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admhc_err(ahcd, "port%d enable timed out\n",port);
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return -EPIPE;
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}
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mdelay(PORT_RESET_HW_MSEC);
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} while (1);
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admhc_vdbg(ahcd, "port%d enable completed within %dms\n", port,
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c * PORT_RESET_HW_MSEC);
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admhc_write_portstatus(ahcd, port, ADMHC_PS_CSC);
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admhc_write_portstatus(ahcd, port, ADMHC_PS_SPR);
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mdelay(10);
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admhc_write_portstatus(ahcd, port, (ADMHC_PS_SPE | ADMHC_PS_CSC));
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mdelay(100);
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return 0;
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}
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@ -340,7 +298,7 @@ static inline int admhc_port_disable(struct admhcd *ahcd, unsigned port)
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if (!(t & ADMHC_PS_CCS))
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return -ENODEV;
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admhc_write_portstatus(ahcd, ADMHC_PS_CPE, port);
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admhc_write_portstatus(ahcd, port, ADMHC_PS_CPE);
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return 0;
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}
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@ -348,7 +306,9 @@ static inline int admhc_port_disable(struct admhcd *ahcd, unsigned port)
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static inline int admhc_port_write(struct admhcd *ahcd, unsigned port,
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u32 val)
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{
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#ifdef ADMHC_VERBOSE_DEBUG
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dbg_port_write(ahcd, "write", port, val);
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#endif
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admhc_write_portstatus(ahcd, port, val);
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return 0;
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@ -143,7 +143,6 @@ struct td {
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/* rest are purely for the driver's use */
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__u8 index;
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/* struct ed *ed;*/
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struct urb *urb;
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dma_addr_t td_dma; /* addr of this TD */
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@ -445,7 +444,7 @@ static inline struct usb_hcd *admhcd_to_hcd(const struct admhcd *ahcd)
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#define admhc_err(ahcd, fmt, args...) \
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printk(KERN_ERR "adm5120-hcd: " fmt , ## args )
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#define ahcd_info(ahcd, fmt, args...) \
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#define admhc_info(ahcd, fmt, args...) \
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printk(KERN_INFO "adm5120-hcd: " fmt , ## args )
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#define admhc_warn(ahcd, fmt, args...) \
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printk(KERN_WARNING "adm5120-hcd: " fmt , ## args )
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