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path: root/drivers/usb/host/isp1760-hcd.c
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Diffstat (limited to 'drivers/usb/host/isp1760-hcd.c')
-rw-r--r--drivers/usb/host/isp1760-hcd.c1395
1 files changed, 650 insertions, 745 deletions
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index bdba8c5..f50e84a 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -33,6 +33,7 @@ struct isp1760_hcd {
struct inter_packet_info atl_ints[32];
struct inter_packet_info int_ints[32];
struct memory_chunk memory_pool[BLOCKS];
+ u32 atl_queued;
/* periodic schedule support */
#define DEFAULT_I_TDPS 1024
@@ -47,10 +48,6 @@ static inline struct isp1760_hcd *hcd_to_priv(struct usb_hcd *hcd)
{
return (struct isp1760_hcd *) (hcd->hcd_priv);
}
-static inline struct usb_hcd *priv_to_hcd(struct isp1760_hcd *priv)
-{
- return container_of((void *) priv, struct usb_hcd, hcd_priv);
-}
/* Section 2.2 Host Controller Capability Registers */
#define HC_LENGTH(p) (((p)>>00)&0x00ff) /* bits 7:0 */
@@ -80,11 +77,10 @@ static inline struct usb_hcd *priv_to_hcd(struct isp1760_hcd *priv)
#define PORT_RWC_BITS (PORT_CSC)
struct isp1760_qtd {
- struct isp1760_qtd *hw_next;
u8 packet_type;
- u8 toggle;
-
void *data_buffer;
+ u32 payload_addr;
+
/* the rest is HCD-private */
struct list_head qtd_list;
struct urb *urb;
@@ -92,205 +88,267 @@ struct isp1760_qtd {
/* isp special*/
u32 status;
-#define URB_COMPLETE_NOTIFY (1 << 0)
#define URB_ENQUEUED (1 << 1)
-#define URB_TYPE_ATL (1 << 2)
-#define URB_TYPE_INT (1 << 3)
};
struct isp1760_qh {
/* first part defined by EHCI spec */
struct list_head qtd_list;
- struct isp1760_hcd *priv;
-
- /* periodic schedule info */
- unsigned short period; /* polling interval */
- struct usb_device *dev;
u32 toggle;
u32 ping;
};
-#define ehci_port_speed(priv, portsc) USB_PORT_STAT_HIGH_SPEED
-
-static unsigned int isp1760_readl(__u32 __iomem *regs)
+/*
+ * Access functions for isp176x registers (addresses 0..0x03FF).
+ */
+static u32 reg_read32(void __iomem *base, u32 reg)
{
- return readl(regs);
+ return readl(base + reg);
}
-static void isp1760_writel(const unsigned int val, __u32 __iomem *regs)
+static void reg_write32(void __iomem *base, u32 reg, u32 val)
{
- writel(val, regs);
+ writel(val, base + reg);
}
/*
- * The next two copy via MMIO data to/from the device. memcpy_{to|from}io()
+ * Access functions for isp176x memory (offset >= 0x0400).
+ *
+ * bank_reads8() reads memory locations prefetched by an earlier write to
+ * HC_MEMORY_REG (see isp176x datasheet). Unless you want to do fancy multi-
+ * bank optimizations, you should use the more generic mem_reads8() below.
+ *
+ * For access to ptd memory, use the specialized ptd_read() and ptd_write()
+ * below.
+ *
+ * These functions copy via MMIO data to/from the device. memcpy_{to|from}io()
* doesn't quite work because some people have to enforce 32-bit access
*/
-static void priv_read_copy(struct isp1760_hcd *priv, u32 *src,
- __u32 __iomem *dst, u32 len)
+static void bank_reads8(void __iomem *src_base, u32 src_offset, u32 bank_addr,
+ __u32 *dst, u32 bytes)
{
+ __u32 __iomem *src;
u32 val;
- u8 *buff8;
+ __u8 *src_byteptr;
+ __u8 *dst_byteptr;
- if (!src) {
- printk(KERN_ERR "ERROR: buffer: %p len: %d\n", src, len);
- return;
- }
+ src = src_base + (bank_addr | src_offset);
- while (len >= 4) {
- *src = __raw_readl(dst);
- len -= 4;
- src++;
- dst++;
+ if (src_offset < PAYLOAD_OFFSET) {
+ while (bytes >= 4) {
+ *dst = le32_to_cpu(__raw_readl(src));
+ bytes -= 4;
+ src++;
+ dst++;
+ }
+ } else {
+ while (bytes >= 4) {
+ *dst = __raw_readl(src);
+ bytes -= 4;
+ src++;
+ dst++;
+ }
}
- if (!len)
+ if (!bytes)
return;
/* in case we have 3, 2 or 1 by left. The dst buffer may not be fully
* allocated.
*/
- val = isp1760_readl(dst);
-
- buff8 = (u8 *)src;
- while (len) {
-
- *buff8 = val;
- val >>= 8;
- len--;
- buff8++;
+ if (src_offset < PAYLOAD_OFFSET)
+ val = le32_to_cpu(__raw_readl(src));
+ else
+ val = __raw_readl(src);
+
+ dst_byteptr = (void *) dst;
+ src_byteptr = (void *) &val;
+ while (bytes > 0) {
+ *dst_byteptr = *src_byteptr;
+ dst_byteptr++;
+ src_byteptr++;
+ bytes--;
}
}
-static void priv_write_copy(const struct isp1760_hcd *priv, const u32 *src,
- __u32 __iomem *dst, u32 len)
+static void mem_reads8(void __iomem *src_base, u32 src_offset, void *dst,
+ u32 bytes)
{
- while (len >= 4) {
- __raw_writel(*src, dst);
- len -= 4;
- src++;
- dst++;
+ reg_write32(src_base, HC_MEMORY_REG, src_offset + ISP_BANK(0));
+ ndelay(90);
+ bank_reads8(src_base, src_offset, ISP_BANK(0), dst, bytes);
+}
+
+static void mem_writes8(void __iomem *dst_base, u32 dst_offset,
+ __u32 const *src, u32 bytes)
+{
+ __u32 __iomem *dst;
+
+ dst = dst_base + dst_offset;
+
+ if (dst_offset < PAYLOAD_OFFSET) {
+ while (bytes >= 4) {
+ __raw_writel(cpu_to_le32(*src), dst);
+ bytes -= 4;
+ src++;
+ dst++;
+ }
+ } else {
+ while (bytes >= 4) {
+ __raw_writel(*src, dst);
+ bytes -= 4;
+ src++;
+ dst++;
+ }
}
- if (!len)
+ if (!bytes)
return;
- /* in case we have 3, 2 or 1 by left. The buffer is allocated and the
- * extra bytes should not be read by the HW
+ /* in case we have 3, 2 or 1 bytes left. The buffer is allocated and the
+ * extra bytes should not be read by the HW.
*/
- __raw_writel(*src, dst);
+ if (dst_offset < PAYLOAD_OFFSET)
+ __raw_writel(cpu_to_le32(*src), dst);
+ else
+ __raw_writel(*src, dst);
+}
+
+/*
+ * Read and write ptds. 'ptd_offset' should be one of ISO_PTD_OFFSET,
+ * INT_PTD_OFFSET, and ATL_PTD_OFFSET. 'slot' should be less than 32.
+ */
+static void ptd_read(void __iomem *base, u32 ptd_offset, u32 slot,
+ struct ptd *ptd)
+{
+ reg_write32(base, HC_MEMORY_REG,
+ ISP_BANK(0) + ptd_offset + slot*sizeof(*ptd));
+ ndelay(90);
+ bank_reads8(base, ptd_offset + slot*sizeof(*ptd), ISP_BANK(0),
+ (void *) ptd, sizeof(*ptd));
+}
+
+static void ptd_write(void __iomem *base, u32 ptd_offset, u32 slot,
+ struct ptd *ptd)
+{
+ mem_writes8(base, ptd_offset + slot*sizeof(*ptd) + sizeof(ptd->dw0),
+ &ptd->dw1, 7*sizeof(ptd->dw1));
+ /* Make sure dw0 gets written last (after other dw's and after payload)
+ since it contains the enable bit */
+ wmb();
+ mem_writes8(base, ptd_offset + slot*sizeof(*ptd), &ptd->dw0,
+ sizeof(ptd->dw0));
}
+
/* memory management of the 60kb on the chip from 0x1000 to 0xffff */
static void init_memory(struct isp1760_hcd *priv)
{
- int i;
- u32 payload;
+ int i, curr;
+ u32 payload_addr;
- payload = 0x1000;
+ payload_addr = PAYLOAD_OFFSET;
for (i = 0; i < BLOCK_1_NUM; i++) {
- priv->memory_pool[i].start = payload;
+ priv->memory_pool[i].start = payload_addr;
priv->memory_pool[i].size = BLOCK_1_SIZE;
priv->memory_pool[i].free = 1;
- payload += priv->memory_pool[i].size;
+ payload_addr += priv->memory_pool[i].size;
}
-
- for (i = BLOCK_1_NUM; i < BLOCK_1_NUM + BLOCK_2_NUM; i++) {
- priv->memory_pool[i].start = payload;
- priv->memory_pool[i].size = BLOCK_2_SIZE;
- priv->memory_pool[i].free = 1;
- payload += priv->memory_pool[i].size;
+ curr = i;
+ for (i = 0; i < BLOCK_2_NUM; i++) {
+ priv->memory_pool[curr + i].start = payload_addr;
+ priv->memory_pool[curr + i].size = BLOCK_2_SIZE;
+ priv->memory_pool[curr + i].free = 1;
+ payload_addr += priv->memory_pool[curr + i].size;
}
-
- for (i = BLOCK_1_NUM + BLOCK_2_NUM; i < BLOCKS; i++) {
- priv->memory_pool[i].start = payload;
- priv->memory_pool[i].size = BLOCK_3_SIZE;
- priv->memory_pool[i].free = 1;
- payload += priv->memory_pool[i].size;
+ curr = i;
+ for (i = 0; i < BLOCK_3_NUM; i++) {
+ priv->memory_pool[curr + i].start = payload_addr;
+ priv->memory_pool[curr + i].size = BLOCK_3_SIZE;
+ priv->memory_pool[curr + i].free = 1;
+ payload_addr += priv->memory_pool[curr + i].size;
}
- BUG_ON(payload - priv->memory_pool[i - 1].size > PAYLOAD_SIZE);
+ BUG_ON(payload_addr - priv->memory_pool[0].start > PAYLOAD_AREA_SIZE);
}
-static u32 alloc_mem(struct isp1760_hcd *priv, u32 size)
+static void alloc_mem(struct usb_hcd *hcd, struct isp1760_qtd *qtd)
{
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
int i;
- if (!size)
- return ISP1760_NULL_POINTER;
+ BUG_ON(qtd->payload_addr);
+
+ if (!qtd->length)
+ return;
for (i = 0; i < BLOCKS; i++) {
- if (priv->memory_pool[i].size >= size &&
+ if (priv->memory_pool[i].size >= qtd->length &&
priv->memory_pool[i].free) {
-
priv->memory_pool[i].free = 0;
- return priv->memory_pool[i].start;
+ qtd->payload_addr = priv->memory_pool[i].start;
+ return;
}
}
- printk(KERN_ERR "ISP1760 MEM: can not allocate %d bytes of memory\n",
- size);
- printk(KERN_ERR "Current memory map:\n");
+ dev_err(hcd->self.controller,
+ "%s: Can not allocate %lu bytes of memory\n"
+ "Current memory map:\n",
+ __func__, qtd->length);
for (i = 0; i < BLOCKS; i++) {
- printk(KERN_ERR "Pool %2d size %4d status: %d\n",
+ dev_err(hcd->self.controller, "Pool %2d size %4d status: %d\n",
i, priv->memory_pool[i].size,
priv->memory_pool[i].free);
}
/* XXX maybe -ENOMEM could be possible */
BUG();
- return 0;
+ return;
}
-static void free_mem(struct isp1760_hcd *priv, u32 mem)
+static void free_mem(struct usb_hcd *hcd, struct isp1760_qtd *qtd)
{
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
int i;
- if (mem == ISP1760_NULL_POINTER)
+ if (!qtd->payload_addr)
return;
for (i = 0; i < BLOCKS; i++) {
- if (priv->memory_pool[i].start == mem) {
-
+ if (priv->memory_pool[i].start == qtd->payload_addr) {
BUG_ON(priv->memory_pool[i].free);
-
priv->memory_pool[i].free = 1;
- return ;
+ qtd->payload_addr = 0;
+ return;
}
}
- printk(KERN_ERR "Trying to free not-here-allocated memory :%08x\n",
- mem);
+ dev_err(hcd->self.controller, "%s: Invalid pointer: %08x\n",
+ __func__, qtd->payload_addr);
BUG();
}
static void isp1760_init_regs(struct usb_hcd *hcd)
{
- isp1760_writel(0, hcd->regs + HC_BUFFER_STATUS_REG);
- isp1760_writel(NO_TRANSFER_ACTIVE, hcd->regs +
- HC_ATL_PTD_SKIPMAP_REG);
- isp1760_writel(NO_TRANSFER_ACTIVE, hcd->regs +
- HC_INT_PTD_SKIPMAP_REG);
- isp1760_writel(NO_TRANSFER_ACTIVE, hcd->regs +
- HC_ISO_PTD_SKIPMAP_REG);
-
- isp1760_writel(~NO_TRANSFER_ACTIVE, hcd->regs +
- HC_ATL_PTD_DONEMAP_REG);
- isp1760_writel(~NO_TRANSFER_ACTIVE, hcd->regs +
- HC_INT_PTD_DONEMAP_REG);
- isp1760_writel(~NO_TRANSFER_ACTIVE, hcd->regs +
- HC_ISO_PTD_DONEMAP_REG);
+ reg_write32(hcd->regs, HC_BUFFER_STATUS_REG, 0);
+ reg_write32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG, NO_TRANSFER_ACTIVE);
+ reg_write32(hcd->regs, HC_INT_PTD_SKIPMAP_REG, NO_TRANSFER_ACTIVE);
+ reg_write32(hcd->regs, HC_ISO_PTD_SKIPMAP_REG, NO_TRANSFER_ACTIVE);
+
+ reg_write32(hcd->regs, HC_ATL_PTD_DONEMAP_REG, ~NO_TRANSFER_ACTIVE);
+ reg_write32(hcd->regs, HC_INT_PTD_DONEMAP_REG, ~NO_TRANSFER_ACTIVE);
+ reg_write32(hcd->regs, HC_ISO_PTD_DONEMAP_REG, ~NO_TRANSFER_ACTIVE);
}
-static int handshake(struct isp1760_hcd *priv, void __iomem *ptr,
+static int handshake(struct usb_hcd *hcd, u32 reg,
u32 mask, u32 done, int usec)
{
u32 result;
do {
- result = isp1760_readl(ptr);
+ result = reg_read32(hcd->regs, reg);
if (result == ~0)
return -ENODEV;
result &= mask;
@@ -303,17 +361,18 @@ static int handshake(struct isp1760_hcd *priv, void __iomem *ptr,
}
/* reset a non-running (STS_HALT == 1) controller */
-static int ehci_reset(struct isp1760_hcd *priv)
+static int ehci_reset(struct usb_hcd *hcd)
{
int retval;
- struct usb_hcd *hcd = priv_to_hcd(priv);
- u32 command = isp1760_readl(hcd->regs + HC_USBCMD);
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
+
+ u32 command = reg_read32(hcd->regs, HC_USBCMD);
command |= CMD_RESET;
- isp1760_writel(command, hcd->regs + HC_USBCMD);
+ reg_write32(hcd->regs, HC_USBCMD, command);
hcd->state = HC_STATE_HALT;
priv->next_statechange = jiffies;
- retval = handshake(priv, hcd->regs + HC_USBCMD,
+ retval = handshake(hcd, HC_USBCMD,
CMD_RESET, 0, 250 * 1000);
return retval;
}
@@ -324,8 +383,7 @@ static void qh_destroy(struct isp1760_qh *qh)
kmem_cache_free(qh_cachep, qh);
}
-static struct isp1760_qh *isp1760_qh_alloc(struct isp1760_hcd *priv,
- gfp_t flags)
+static struct isp1760_qh *isp1760_qh_alloc(gfp_t flags)
{
struct isp1760_qh *qh;
@@ -334,7 +392,6 @@ static struct isp1760_qh *isp1760_qh_alloc(struct isp1760_hcd *priv,
return qh;
INIT_LIST_HEAD(&qh->qtd_list);
- qh->priv = priv;
return qh;
}
@@ -361,7 +418,7 @@ static int priv_init(struct usb_hcd *hcd)
priv->periodic_size = DEFAULT_I_TDPS;
/* controllers may cache some of the periodic schedule ... */
- hcc_params = isp1760_readl(hcd->regs + HC_HCCPARAMS);
+ hcc_params = reg_read32(hcd->regs, HC_HCCPARAMS);
/* full frame cache */
if (HCC_ISOC_CACHE(hcc_params))
priv->i_thresh = 8;
@@ -398,15 +455,15 @@ static int isp1760_hc_setup(struct usb_hcd *hcd)
* Write it twice to ensure correct upper bits if switching
* to 16-bit mode.
*/
- isp1760_writel(hwmode, hcd->regs + HC_HW_MODE_CTRL);
- isp1760_writel(hwmode, hcd->regs + HC_HW_MODE_CTRL);
+ reg_write32(hcd->regs, HC_HW_MODE_CTRL, hwmode);
+ reg_write32(hcd->regs, HC_HW_MODE_CTRL, hwmode);
- isp1760_writel(0xdeadbabe, hcd->regs + HC_SCRATCH_REG);
+ reg_write32(hcd->regs, HC_SCRATCH_REG, 0xdeadbabe);
/* Change bus pattern */
- scratch = isp1760_readl(hcd->regs + HC_CHIP_ID_REG);
- scratch = isp1760_readl(hcd->regs + HC_SCRATCH_REG);
+ scratch = reg_read32(hcd->regs, HC_CHIP_ID_REG);
+ scratch = reg_read32(hcd->regs, HC_SCRATCH_REG);
if (scratch != 0xdeadbabe) {
- printk(KERN_ERR "ISP1760: Scratch test failed.\n");
+ dev_err(hcd->self.controller, "Scratch test failed.\n");
return -ENODEV;
}
@@ -414,30 +471,30 @@ static int isp1760_hc_setup(struct usb_hcd *hcd)
isp1760_init_regs(hcd);
/* reset */
- isp1760_writel(SW_RESET_RESET_ALL, hcd->regs + HC_RESET_REG);
+ reg_write32(hcd->regs, HC_RESET_REG, SW_RESET_RESET_ALL);
mdelay(100);
- isp1760_writel(SW_RESET_RESET_HC, hcd->regs + HC_RESET_REG);
+ reg_write32(hcd->regs, HC_RESET_REG, SW_RESET_RESET_HC);
mdelay(100);
- result = ehci_reset(priv);
+ result = ehci_reset(hcd);
if (result)
return result;
/* Step 11 passed */
- isp1760_info(priv, "bus width: %d, oc: %s\n",
+ dev_info(hcd->self.controller, "bus width: %d, oc: %s\n",
(priv->devflags & ISP1760_FLAG_BUS_WIDTH_16) ?
16 : 32, (priv->devflags & ISP1760_FLAG_ANALOG_OC) ?
"analog" : "digital");
/* ATL reset */
- isp1760_writel(hwmode | ALL_ATX_RESET, hcd->regs + HC_HW_MODE_CTRL);
+ reg_write32(hcd->regs, HC_HW_MODE_CTRL, hwmode | ALL_ATX_RESET);
mdelay(10);
- isp1760_writel(hwmode, hcd->regs + HC_HW_MODE_CTRL);
+ reg_write32(hcd->regs, HC_HW_MODE_CTRL, hwmode);
- isp1760_writel(INTERRUPT_ENABLE_MASK, hcd->regs + HC_INTERRUPT_REG);
- isp1760_writel(INTERRUPT_ENABLE_MASK, hcd->regs + HC_INTERRUPT_ENABLE);
+ reg_write32(hcd->regs, HC_INTERRUPT_REG, INTERRUPT_ENABLE_MASK);
+ reg_write32(hcd->regs, HC_INTERRUPT_ENABLE, INTERRUPT_ENABLE_MASK);
/*
* PORT 1 Control register of the ISP1760 is the OTG control
@@ -445,11 +502,10 @@ static int isp1760_hc_setup(struct usb_hcd *hcd)
* support in this driver, we use port 1 as a "normal" USB host port on
* both chips.
*/
- isp1760_writel(PORT1_POWER | PORT1_INIT2,
- hcd->regs + HC_PORT1_CTRL);
+ reg_write32(hcd->regs, HC_PORT1_CTRL, PORT1_POWER | PORT1_INIT2);
mdelay(10);
- priv->hcs_params = isp1760_readl(hcd->regs + HC_HCSPARAMS);
+ priv->hcs_params = reg_read32(hcd->regs, HC_HCSPARAMS);
return priv_init(hcd);
}
@@ -457,25 +513,24 @@ static int isp1760_hc_setup(struct usb_hcd *hcd)
static void isp1760_init_maps(struct usb_hcd *hcd)
{
/*set last maps, for iso its only 1, else 32 tds bitmap*/
- isp1760_writel(0x80000000, hcd->regs + HC_ATL_PTD_LASTPTD_REG);
- isp1760_writel(0x80000000, hcd->regs + HC_INT_PTD_LASTPTD_REG);
- isp1760_writel(0x00000001, hcd->regs + HC_ISO_PTD_LASTPTD_REG);
+ reg_write32(hcd->regs, HC_ATL_PTD_LASTPTD_REG, 0x80000000);
+ reg_write32(hcd->regs, HC_INT_PTD_LASTPTD_REG, 0x80000000);
+ reg_write32(hcd->regs, HC_ISO_PTD_LASTPTD_REG, 0x00000001);
}
static void isp1760_enable_interrupts(struct usb_hcd *hcd)
{
- isp1760_writel(0, hcd->regs + HC_ATL_IRQ_MASK_AND_REG);
- isp1760_writel(0, hcd->regs + HC_ATL_IRQ_MASK_OR_REG);
- isp1760_writel(0, hcd->regs + HC_INT_IRQ_MASK_AND_REG);
- isp1760_writel(0, hcd->regs + HC_INT_IRQ_MASK_OR_REG);
- isp1760_writel(0, hcd->regs + HC_ISO_IRQ_MASK_AND_REG);
- isp1760_writel(0xffffffff, hcd->regs + HC_ISO_IRQ_MASK_OR_REG);
+ reg_write32(hcd->regs, HC_ATL_IRQ_MASK_AND_REG, 0);
+ reg_write32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG, 0);
+ reg_write32(hcd->regs, HC_INT_IRQ_MASK_AND_REG, 0);
+ reg_write32(hcd->regs, HC_INT_IRQ_MASK_OR_REG, 0);
+ reg_write32(hcd->regs, HC_ISO_IRQ_MASK_AND_REG, 0);
+ reg_write32(hcd->regs, HC_ISO_IRQ_MASK_OR_REG, 0xffffffff);
/* step 23 passed */
}
static int isp1760_run(struct usb_hcd *hcd)
{
- struct isp1760_hcd *priv = hcd_to_priv(hcd);
int retval;
u32 temp;
u32 command;
@@ -485,15 +540,15 @@ static int isp1760_run(struct usb_hcd *hcd)
hcd->state = HC_STATE_RUNNING;
isp1760_enable_interrupts(hcd);
- temp = isp1760_readl(hcd->regs + HC_HW_MODE_CTRL);
- isp1760_writel(temp | HW_GLOBAL_INTR_EN, hcd->regs + HC_HW_MODE_CTRL);
+ temp = reg_read32(hcd->regs, HC_HW_MODE_CTRL);
+ reg_write32(hcd->regs, HC_HW_MODE_CTRL, temp | HW_GLOBAL_INTR_EN);
- command = isp1760_readl(hcd->regs + HC_USBCMD);
+ command = reg_read32(hcd->regs, HC_USBCMD);
command &= ~(CMD_LRESET|CMD_RESET);
command |= CMD_RUN;
- isp1760_writel(command, hcd->regs + HC_USBCMD);
+ reg_write32(hcd->regs, HC_USBCMD, command);
- retval = handshake(priv, hcd->regs + HC_USBCMD, CMD_RUN, CMD_RUN,
+ retval = handshake(hcd, HC_USBCMD, CMD_RUN, CMD_RUN,
250 * 1000);
if (retval)
return retval;
@@ -504,17 +559,16 @@ static int isp1760_run(struct usb_hcd *hcd)
* the semaphore while doing so.
*/
down_write(&ehci_cf_port_reset_rwsem);
- isp1760_writel(FLAG_CF, hcd->regs + HC_CONFIGFLAG);
+ reg_write32(hcd->regs, HC_CONFIGFLAG, FLAG_CF);
- retval = handshake(priv, hcd->regs + HC_CONFIGFLAG, FLAG_CF, FLAG_CF,
- 250 * 1000);
+ retval = handshake(hcd, HC_CONFIGFLAG, FLAG_CF, FLAG_CF, 250 * 1000);
up_write(&ehci_cf_port_reset_rwsem);
if (retval)
return retval;
- chipid = isp1760_readl(hcd->regs + HC_CHIP_ID_REG);
- isp1760_info(priv, "USB ISP %04x HW rev. %d started\n", chipid & 0xffff,
- chipid >> 16);
+ chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG);
+ dev_info(hcd->self.controller, "USB ISP %04x HW rev. %d started\n",
+ chipid & 0xffff, chipid >> 16);
/* PTD Register Init Part 2, Step 28 */
/* enable INTs */
@@ -532,160 +586,156 @@ static u32 base_to_chip(u32 base)
return ((base - 0x400) >> 3);
}
-static void transform_into_atl(struct isp1760_hcd *priv, struct isp1760_qh *qh,
- struct isp1760_qtd *qtd, struct urb *urb,
- u32 payload, struct ptd *ptd)
+static int last_qtd_of_urb(struct isp1760_qtd *qtd, struct isp1760_qh *qh)
+{
+ struct urb *urb;
+
+ if (list_is_last(&qtd->qtd_list, &qh->qtd_list))
+ return 1;
+
+ urb = qtd->urb;
+ qtd = list_entry(qtd->qtd_list.next, typeof(*qtd), qtd_list);
+ return (qtd->urb != urb);
+}
+
+static void transform_into_atl(struct isp1760_qh *qh,
+ struct isp1760_qtd *qtd, struct ptd *ptd)
{
- u32 dw0;
- u32 dw1;
- u32 dw2;
- u32 dw3;
u32 maxpacket;
u32 multi;
u32 pid_code;
u32 rl = RL_COUNTER;
u32 nak = NAK_COUNTER;
+ memset(ptd, 0, sizeof(*ptd));
+
/* according to 3.6.2, max packet len can not be > 0x400 */
- maxpacket = usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe));
+ maxpacket = usb_maxpacket(qtd->urb->dev, qtd->urb->pipe,
+ usb_pipeout(qtd->urb->pipe));
multi = 1 + ((maxpacket >> 11) & 0x3);
maxpacket &= 0x7ff;
/* DW0 */
- dw0 = PTD_VALID;
- dw0 |= PTD_LENGTH(qtd->length);
- dw0 |= PTD_MAXPACKET(maxpacket);
- dw0 |= PTD_ENDPOINT(usb_pipeendpoint(urb->pipe));
- dw1 = usb_pipeendpoint(urb->pipe) >> 1;
+ ptd->dw0 = PTD_VALID;
+ ptd->dw0 |= PTD_LENGTH(qtd->length);
+ ptd->dw0 |= PTD_MAXPACKET(maxpacket);
+ ptd->dw0 |= PTD_ENDPOINT(usb_pipeendpoint(qtd->urb->pipe));
/* DW1 */
- dw1 |= PTD_DEVICE_ADDR(usb_pipedevice(urb->pipe));
+ ptd->dw1 = usb_pipeendpoint(qtd->urb->pipe) >> 1;
+ ptd->dw1 |= PTD_DEVICE_ADDR(usb_pipedevice(qtd->urb->pipe));
pid_code = qtd->packet_type;
- dw1 |= PTD_PID_TOKEN(pid_code);
+ ptd->dw1 |= PTD_PID_TOKEN(pid_code);
- if (usb_pipebulk(urb->pipe))
- dw1 |= PTD_TRANS_BULK;
- else if (usb_pipeint(urb->pipe))
- dw1 |= PTD_TRANS_INT;
+ if (usb_pipebulk(qtd->urb->pipe))
+ ptd->dw1 |= PTD_TRANS_BULK;
+ else if (usb_pipeint(qtd->urb->pipe))
+ ptd->dw1 |= PTD_TRANS_INT;
- if (urb->dev->speed != USB_SPEED_HIGH) {
+ if (qtd->urb->dev->speed != USB_SPEED_HIGH) {
/* split transaction */
- dw1 |= PTD_TRANS_SPLIT;
- if (urb->dev->speed == USB_SPEED_LOW)
- dw1 |= PTD_SE_USB_LOSPEED;
+ ptd->dw1 |= PTD_TRANS_SPLIT;
+ if (qtd->urb->dev->speed == USB_SPEED_LOW)
+ ptd->dw1 |= PTD_SE_USB_LOSPEED;
- dw1 |= PTD_PORT_NUM(urb->dev->ttport);
- dw1 |= PTD_HUB_NUM(urb->dev->tt->hub->devnum);
+ ptd->dw1 |= PTD_PORT_NUM(qtd->urb->dev->ttport);
+ ptd->dw1 |= PTD_HUB_NUM(qtd->urb->dev->tt->hub->devnum);
/* SE bit for Split INT transfers */
- if (usb_pipeint(urb->pipe) &&
- (urb->dev->speed == USB_SPEED_LOW))
- dw1 |= 2 << 16;
+ if (usb_pipeint(qtd->urb->pipe) &&
+ (qtd->urb->dev->speed == USB_SPEED_LOW))
+ ptd->dw1 |= 2 << 16;
- dw3 = 0;
+ ptd->dw3 = 0;
rl = 0;
nak = 0;
} else {
- dw0 |= PTD_MULTI(multi);
- if (usb_pipecontrol(urb->pipe) || usb_pipebulk(urb->pipe))
- dw3 = qh->ping;
+ ptd->dw0 |= PTD_MULTI(multi);
+ if (usb_pipecontrol(qtd->urb->pipe) ||
+ usb_pipebulk(qtd->urb->pipe))
+ ptd->dw3 = qh->ping;
else
- dw3 = 0;
+ ptd->dw3 = 0;
}
/* DW2 */
- dw2 = 0;
- dw2 |= PTD_DATA_START_ADDR(base_to_chip(payload));
- dw2 |= PTD_RL_CNT(rl);
- dw3 |= PTD_NAC_CNT(nak);
+ ptd->dw2 = 0;
+ ptd->dw2 |= PTD_DATA_START_ADDR(base_to_chip(qtd->payload_addr));
+ ptd->dw2 |= PTD_RL_CNT(rl);
+ ptd->dw3 |= PTD_NAC_CNT(nak);
/* DW3 */
- if (usb_pipecontrol(urb->pipe))
- dw3 |= PTD_DATA_TOGGLE(qtd->toggle);
- else
- dw3 |= qh->toggle;
-
+ ptd->dw3 |= qh->toggle;
+ if (usb_pipecontrol(qtd->urb->pipe)) {
+ if (qtd->data_buffer == qtd->urb->setup_packet)
+ ptd->dw3 &= ~PTD_DATA_TOGGLE(1);
+ else if (last_qtd_of_urb(qtd, qh))
+ ptd->dw3 |= PTD_DATA_TOGGLE(1);
+ }
- dw3 |= PTD_ACTIVE;
+ ptd->dw3 |= PTD_ACTIVE;
/* Cerr */
- dw3 |= PTD_CERR(ERR_COUNTER);
-
- memset(ptd, 0, sizeof(*ptd));
-
- ptd->dw0 = cpu_to_le32(dw0);
- ptd->dw1 = cpu_to_le32(dw1);
- ptd->dw2 = cpu_to_le32(dw2);
- ptd->dw3 = cpu_to_le32(dw3);
+ ptd->dw3 |= PTD_CERR(ERR_COUNTER);
}
-static void transform_add_int(struct isp1760_hcd *priv, struct isp1760_qh *qh,
- struct isp1760_qtd *qtd, struct urb *urb,
- u32 payload, struct ptd *ptd)
+static void transform_add_int(struct isp1760_qh *qh,
+ struct isp1760_qtd *qtd, struct ptd *ptd)
{
- u32 maxpacket;
- u32 multi;
- u32 numberofusofs;
- u32 i;
- u32 usofmask, usof;
+ u32 usof;
u32 period;
- maxpacket = usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe));
- multi = 1 + ((maxpacket >> 11) & 0x3);
- maxpacket &= 0x7ff;
- /* length of the data per uframe */
- maxpacket = multi * maxpacket;
-
- numberofusofs = urb->transfer_buffer_length / maxpacket;
- if (urb->transfer_buffer_length % maxpacket)
- numberofusofs += 1;
-
- usofmask = 1;
- usof = 0;
- for (i = 0; i < numberofusofs; i++) {
- usof |= usofmask;
- usofmask <<= 1;
- }
-
- if (urb->dev->speed != USB_SPEED_HIGH) {
- /* split */
- ptd->dw5 = cpu_to_le32(0x1c);
+ /*
+ * Most of this is guessing. ISP1761 datasheet is quite unclear, and
+ * the algorithm from the original Philips driver code, which was
+ * pretty much used in this driver before as well, is quite horrendous
+ * and, i believe, incorrect. The code below follows the datasheet and
+ * USB2.0 spec as far as I can tell, and plug/unplug seems to be much
+ * more reliable this way (fingers crossed...).
+ */
- if (qh->period >= 32)
- period = qh->period / 2;
+ if (qtd->urb->dev->speed == USB_SPEED_HIGH) {
+ /* urb->interval is in units of microframes (1/8 ms) */
+ period = qtd->urb->interval >> 3;
+
+ if (qtd->urb->interval > 4)
+ usof = 0x01; /* One bit set =>
+ interval 1 ms * uFrame-match */
+ else if (qtd->urb->interval > 2)
+ usof = 0x22; /* Two bits set => interval 1/2 ms */
+ else if (qtd->urb->interval > 1)
+ usof = 0x55; /* Four bits set => interval 1/4 ms */
else
- period = qh->period;
-
+ usof = 0xff; /* All bits set => interval 1/8 ms */
} else {
+ /* urb->interval is in units of frames (1 ms) */
+ period = qtd->urb->interval;
+ usof = 0x0f; /* Execute Start Split on any of the
+ four first uFrames */
- if (qh->period >= 8)
- period = qh->period/8;
- else
- period = qh->period;
-
- if (period >= 32)
- period = 16;
-
- if (qh->period >= 8) {
- /* millisecond period */
- period = (period << 3);
- } else {
- /* usof based tranmsfers */
- /* minimum 4 usofs */
- usof = 0x11;
- }
+ /*
+ * First 8 bits in dw5 is uSCS and "specifies which uSOF the
+ * complete split needs to be sent. Valid only for IN." Also,
+ * "All bits can be set to one for every transfer." (p 82,
+ * ISP1761 data sheet.) 0x1c is from Philips driver. Where did
+ * that number come from? 0xff seems to work fine...
+ */
+ /* ptd->dw5 = 0x1c; */
+ ptd->dw5 = 0xff; /* Execute Complete Split on any uFrame */
}
- ptd->dw2 |= cpu_to_le32(period);
- ptd->dw4 = cpu_to_le32(usof);
+ period = period >> 1;/* Ensure equal or shorter period than requested */
+ period &= 0xf8; /* Mask off too large values and lowest unused 3 bits */
+
+ ptd->dw2 |= period;
+ ptd->dw4 = usof;
}
-static void transform_into_int(struct isp1760_hcd *priv, struct isp1760_qh *qh,
- struct isp1760_qtd *qtd, struct urb *urb,
- u32 payload, struct ptd *ptd)
+static void transform_into_int(struct isp1760_qh *qh,
+ struct isp1760_qtd *qtd, struct ptd *ptd)
{
- transform_into_atl(priv, qh, qtd, urb, payload, ptd);
- transform_add_int(priv, qh, qtd, urb, payload, ptd);
+ transform_into_atl(qh, qtd, ptd);
+ transform_add_int(qh, qtd, ptd);
}
static int qtd_fill(struct isp1760_qtd *qtd, void *databuffer, size_t len,
@@ -695,10 +745,9 @@ static int qtd_fill(struct isp1760_qtd *qtd, void *databuffer, size_t len,
qtd->data_buffer = databuffer;
qtd->packet_type = GET_QTD_TOKEN_TYPE(token);
- qtd->toggle = GET_DATA_TOGGLE(token);
- if (len > HC_ATL_PL_SIZE)
- count = HC_ATL_PL_SIZE;
+ if (len > MAX_PAYLOAD_SIZE)
+ count = MAX_PAYLOAD_SIZE;
else
count = len;
@@ -706,29 +755,27 @@ static int qtd_fill(struct isp1760_qtd *qtd, void *databuffer, size_t len,
return count;
}
-static int check_error(struct ptd *ptd)
+static int check_error(struct usb_hcd *hcd, struct ptd *ptd)
{
int error = 0;
- u32 dw3;
- dw3 = le32_to_cpu(ptd->dw3);
- if (dw3 & DW3_HALT_BIT) {
+ if (ptd->dw3 & DW3_HALT_BIT) {
error = -EPIPE;
- if (dw3 & DW3_ERROR_BIT)
+ if (ptd->dw3 & DW3_ERROR_BIT)
pr_err("error bit is set in DW3\n");
}
- if (dw3 & DW3_QTD_ACTIVE) {
- printk(KERN_ERR "transfer active bit is set DW3\n");
- printk(KERN_ERR "nak counter: %d, rl: %d\n", (dw3 >> 19) & 0xf,
- (le32_to_cpu(ptd->dw2) >> 25) & 0xf);
+ if (ptd->dw3 & DW3_QTD_ACTIVE) {
+ dev_err(hcd->self.controller, "Transfer active bit is set DW3\n"
+ "nak counter: %d, rl: %d\n",
+ (ptd->dw3 >> 19) & 0xf, (ptd->dw2 >> 25) & 0xf);
}
return error;
}
-static void check_int_err_status(u32 dw4)
+static void check_int_err_status(struct usb_hcd *hcd, u32 dw4)
{
u32 i;
@@ -737,79 +784,67 @@ static void check_int_err_status(u32 dw4)
for (i = 0; i < 8; i++) {
switch (dw4 & 0x7) {
case INT_UNDERRUN:
- printk(KERN_ERR "ERROR: under run , %d\n", i);
+ dev_err(hcd->self.controller, "Underrun (%d)\n", i);
break;
case INT_EXACT:
- printk(KERN_ERR "ERROR: transaction error, %d\n", i);
+ dev_err(hcd->self.controller,
+ "Transaction error (%d)\n", i);
break;
case INT_BABBLE:
- printk(KERN_ERR "ERROR: babble error, %d\n", i);
+ dev_err(hcd->self.controller, "Babble error (%d)\n", i);
break;
}
dw4 >>= 3;
}
}
-static void enqueue_one_qtd(struct isp1760_qtd *qtd, struct isp1760_hcd *priv,
- u32 payload)
+static void enqueue_one_qtd(struct usb_hcd *hcd, struct isp1760_qtd *qtd)
{
- u32 token;
- struct usb_hcd *hcd = priv_to_hcd(priv);
-
- token = qtd->packet_type;
-
- if (qtd->length && (qtd->length <= HC_ATL_PL_SIZE)) {
- switch (token) {
+ if (qtd->length && (qtd->length <= MAX_PAYLOAD_SIZE)) {
+ switch (qtd->packet_type) {
case IN_PID:
break;
case OUT_PID:
case SETUP_PID:
- priv_write_copy(priv, qtd->data_buffer,
- hcd->regs + payload,
- qtd->length);
+ mem_writes8(hcd->regs, qtd->payload_addr,
+ qtd->data_buffer, qtd->length);
}
}
}
-static void enqueue_one_atl_qtd(u32 atl_regs, u32 payload,
- struct isp1760_hcd *priv, struct isp1760_qh *qh,
- struct urb *urb, u32 slot, struct isp1760_qtd *qtd)
+static void enqueue_one_atl_qtd(struct usb_hcd *hcd, struct isp1760_qh *qh,
+ u32 slot, struct isp1760_qtd *qtd)
{
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
struct ptd ptd;
- struct usb_hcd *hcd = priv_to_hcd(priv);
- transform_into_atl(priv, qh, qtd, urb, payload, &ptd);
- priv_write_copy(priv, (u32 *)&ptd, hcd->regs + atl_regs, sizeof(ptd));
- enqueue_one_qtd(qtd, priv, payload);
+ alloc_mem(hcd, qtd);
+ transform_into_atl(qh, qtd, &ptd);
+ ptd_write(hcd->regs, ATL_PTD_OFFSET, slot, &ptd);
+ enqueue_one_qtd(hcd, qtd);
- priv->atl_ints[slot].urb = urb;
priv->atl_ints[slot].qh = qh;
priv->atl_ints[slot].qtd = qtd;
- priv->atl_ints[slot].data_buffer = qtd->data_buffer;
- priv->atl_ints[slot].payload = payload;
- qtd->status |= URB_ENQUEUED | URB_TYPE_ATL;
+ qtd->status |= URB_ENQUEUED;
qtd->status |= slot << 16;
}
-static void enqueue_one_int_qtd(u32 int_regs, u32 payload,
- struct isp1760_hcd *priv, struct isp1760_qh *qh,
- struct urb *urb, u32 slot, struct isp1760_qtd *qtd)
+static void enqueue_one_int_qtd(struct usb_hcd *hcd, struct isp1760_qh *qh,
+ u32 slot, struct isp1760_qtd *qtd)
{
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
struct ptd ptd;
- struct usb_hcd *hcd = priv_to_hcd(priv);
- transform_into_int(priv, qh, qtd, urb, payload, &ptd);
- priv_write_copy(priv, (u32 *)&ptd, hcd->regs + int_regs, sizeof(ptd));
- enqueue_one_qtd(qtd, priv, payload);
+ alloc_mem(hcd, qtd);
+ transform_into_int(qh, qtd, &ptd);
+ ptd_write(hcd->regs, INT_PTD_OFFSET, slot, &ptd);
+ enqueue_one_qtd(hcd, qtd);
- priv->int_ints[slot].urb = urb;
priv->int_ints[slot].qh = qh;
priv->int_ints[slot].qtd = qtd;
- priv->int_ints[slot].data_buffer = qtd->data_buffer;
- priv->int_ints[slot].payload = payload;
- qtd->status |= URB_ENQUEUED | URB_TYPE_INT;
+ qtd->status |= URB_ENQUEUED;
qtd->status |= slot << 16;
}
@@ -818,9 +853,7 @@ static void enqueue_an_ATL_packet(struct usb_hcd *hcd, struct isp1760_qh *qh,
{
struct isp1760_hcd *priv = hcd_to_priv(hcd);
u32 skip_map, or_map;
- u32 queue_entry;
u32 slot;
- u32 atl_regs, payload;
u32 buffstatus;
/*
@@ -831,38 +864,35 @@ static void enqueue_an_ATL_packet(struct usb_hcd *hcd, struct isp1760_qh *qh,
*/
mmiowb();
ndelay(195);
- skip_map = isp1760_readl(hcd->regs + HC_ATL_PTD_SKIPMAP_REG);
+ skip_map = reg_read32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG);
BUG_ON(!skip_map);
slot = __ffs(skip_map);
- queue_entry = 1 << slot;
-
- atl_regs = ATL_REGS_OFFSET + slot * sizeof(struct ptd);
- payload = alloc_mem(priv, qtd->length);
+ enqueue_one_atl_qtd(hcd, qh, slot, qtd);
- enqueue_one_atl_qtd(atl_regs, payload, priv, qh, qtd->urb, slot, qtd);
+ or_map = reg_read32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG);
+ or_map |= (1 << slot);
+ reg_write32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG, or_map);
- or_map = isp1760_readl(hcd->regs + HC_ATL_IRQ_MASK_OR_REG);
- or_map |= queue_entry;
- isp1760_writel(or_map, hcd->regs + HC_ATL_IRQ_MASK_OR_REG);
+ skip_map &= ~(1 << slot);
+ reg_write32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG, skip_map);
- skip_map &= ~queue_entry;
- isp1760_writel(skip_map, hcd->regs + HC_ATL_PTD_SKIPMAP_REG);
+ priv->atl_queued++;
+ if (priv->atl_queued == 2)
+ reg_write32(hcd->regs, HC_INTERRUPT_ENABLE,
+ INTERRUPT_ENABLE_SOT_MASK);
- buffstatus = isp1760_readl(hcd->regs + HC_BUFFER_STATUS_REG);
+ buffstatus = reg_read32(hcd->regs, HC_BUFFER_STATUS_REG);
buffstatus |= ATL_BUFFER;
- isp1760_writel(buffstatus, hcd->regs + HC_BUFFER_STATUS_REG);
+ reg_write32(hcd->regs, HC_BUFFER_STATUS_REG, buffstatus);
}
static void enqueue_an_INT_packet(struct usb_hcd *hcd, struct isp1760_qh *qh,
struct isp1760_qtd *qtd)
{
- struct isp1760_hcd *priv = hcd_to_priv(hcd);
u32 skip_map, or_map;
- u32 queue_entry;
u32 slot;
- u32 int_regs, payload;
u32 buffstatus;
/*
@@ -873,37 +903,34 @@ static void enqueue_an_INT_packet(struct usb_hcd *hcd, struct isp1760_qh *qh,
*/
mmiowb();
ndelay(195);
- skip_map = isp1760_readl(hcd->regs + HC_INT_PTD_SKIPMAP_REG);
+ skip_map = reg_read32(hcd->regs, HC_INT_PTD_SKIPMAP_REG);
BUG_ON(!skip_map);
slot = __ffs(skip_map);
- queue_entry = 1 << slot;
-
- int_regs = INT_REGS_OFFSET + slot * sizeof(struct ptd);
- payload = alloc_mem(priv, qtd->length);
+ enqueue_one_int_qtd(hcd, qh, slot, qtd);
- enqueue_one_int_qtd(int_regs, payload, priv, qh, qtd->urb, slot, qtd);
+ or_map = reg_read32(hcd->regs, HC_INT_IRQ_MASK_OR_REG);
+ or_map |= (1 << slot);
+ reg_write32(hcd->regs, HC_INT_IRQ_MASK_OR_REG, or_map);
- or_map = isp1760_readl(hcd->regs + HC_INT_IRQ_MASK_OR_REG);
- or_map |= queue_entry;
- isp1760_writel(or_map, hcd->regs + HC_INT_IRQ_MASK_OR_REG);
+ skip_map &= ~(1 << slot);
+ reg_write32(hcd->regs, HC_INT_PTD_SKIPMAP_REG, skip_map);
- skip_map &= ~queue_entry;
- isp1760_writel(skip_map, hcd->regs + HC_INT_PTD_SKIPMAP_REG);
-
- buffstatus = isp1760_readl(hcd->regs + HC_BUFFER_STATUS_REG);
+ buffstatus = reg_read32(hcd->regs, HC_BUFFER_STATUS_REG);
buffstatus |= INT_BUFFER;
- isp1760_writel(buffstatus, hcd->regs + HC_BUFFER_STATUS_REG);
+ reg_write32(hcd->regs, HC_BUFFER_STATUS_REG, buffstatus);
}
-static void isp1760_urb_done(struct isp1760_hcd *priv, struct urb *urb, int status)
+static void isp1760_urb_done(struct usb_hcd *hcd, struct urb *urb)
__releases(priv->lock)
__acquires(priv->lock)
{
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
+
if (!urb->unlinked) {
- if (status == -EINPROGRESS)
- status = 0;
+ if (urb->status == -EINPROGRESS)
+ urb->status = 0;
}
if (usb_pipein(urb->pipe) && usb_pipetype(urb->pipe) != PIPE_CONTROL) {
@@ -915,22 +942,28 @@ __acquires(priv->lock)
}
/* complete() can reenter this HCD */
- usb_hcd_unlink_urb_from_ep(priv_to_hcd(priv), urb);
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
spin_unlock(&priv->lock);
- usb_hcd_giveback_urb(priv_to_hcd(priv), urb, status);
+ usb_hcd_giveback_urb(hcd, urb, urb->status);
spin_lock(&priv->lock);
}
static void isp1760_qtd_free(struct isp1760_qtd *qtd)
{
+ BUG_ON(qtd->payload_addr);
kmem_cache_free(qtd_cachep, qtd);
}
-static struct isp1760_qtd *clean_this_qtd(struct isp1760_qtd *qtd)
+static struct isp1760_qtd *clean_this_qtd(struct isp1760_qtd *qtd,
+ struct isp1760_qh *qh)
{
struct isp1760_qtd *tmp_qtd;
- tmp_qtd = qtd->hw_next;
+ if (list_is_last(&qtd->qtd_list, &qh->qtd_list))
+ tmp_qtd = NULL;
+ else
+ tmp_qtd = list_entry(qtd->qtd_list.next, struct isp1760_qtd,
+ qtd_list);
list_del(&qtd->qtd_list);
isp1760_qtd_free(qtd);
return tmp_qtd;
@@ -941,32 +974,26 @@ static struct isp1760_qtd *clean_this_qtd(struct isp1760_qtd *qtd)
* isn't the last one than remove also his successor(s).
* Returns the QTD which is part of an new URB and should be enqueued.
*/
-static struct isp1760_qtd *clean_up_qtdlist(struct isp1760_qtd *qtd)
+static struct isp1760_qtd *clean_up_qtdlist(struct isp1760_qtd *qtd,
+ struct isp1760_qh *qh)
{
- struct isp1760_qtd *tmp_qtd;
- int last_one;
+ struct urb *urb;
+ urb = qtd->urb;
do {
- tmp_qtd = qtd->hw_next;
- last_one = qtd->status & URB_COMPLETE_NOTIFY;
- list_del(&qtd->qtd_list);
- isp1760_qtd_free(qtd);
- qtd = tmp_qtd;
- } while (!last_one && qtd);
+ qtd = clean_this_qtd(qtd, qh);
+ } while (qtd && (qtd->urb == urb));
return qtd;
}
-static void do_atl_int(struct usb_hcd *usb_hcd)
+static void do_atl_int(struct usb_hcd *hcd)
{
- struct isp1760_hcd *priv = hcd_to_priv(usb_hcd);
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
u32 done_map, skip_map;
struct ptd ptd;
- struct urb *urb = NULL;
- u32 atl_regs_base;
- u32 atl_regs;
- u32 queue_entry;
- u32 payload;
+ struct urb *urb;
+ u32 slot;
u32 length;
u32 or_map;
u32 status = -EINVAL;
@@ -976,62 +1003,36 @@ static void do_atl_int(struct usb_hcd *usb_hcd)
u32 rl;
u32 nakcount;
- done_map = isp1760_readl(usb_hcd->regs +
- HC_ATL_PTD_DONEMAP_REG);
- skip_map = isp1760_readl(usb_hcd->regs +
- HC_ATL_PTD_SKIPMAP_REG);
+ done_map = reg_read32(hcd->regs, HC_ATL_PTD_DONEMAP_REG);
+ skip_map = reg_read32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG);
- or_map = isp1760_readl(usb_hcd->regs + HC_ATL_IRQ_MASK_OR_REG);
+ or_map = reg_read32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG);
or_map &= ~done_map;
- isp1760_writel(or_map, usb_hcd->regs + HC_ATL_IRQ_MASK_OR_REG);
+ reg_write32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG, or_map);
- atl_regs_base = ATL_REGS_OFFSET;
while (done_map) {
- u32 dw1;
- u32 dw2;
- u32 dw3;
-
status = 0;
+ priv->atl_queued--;
- queue_entry = __ffs(done_map);
- done_map &= ~(1 << queue_entry);
- skip_map |= 1 << queue_entry;
-
- atl_regs = atl_regs_base + queue_entry * sizeof(struct ptd);
+ slot = __ffs(done_map);
+ done_map &= ~(1 << slot);
+ skip_map |= (1 << slot);
- urb = priv->atl_ints[queue_entry].urb;
- qtd = priv->atl_ints[queue_entry].qtd;
- qh = priv->atl_ints[queue_entry].qh;
- payload = priv->atl_ints[queue_entry].payload;
+ qtd = priv->atl_ints[slot].qtd;
+ qh = priv->atl_ints[slot].qh;
if (!qh) {
- printk(KERN_ERR "qh is 0\n");
+ dev_err(hcd->self.controller, "qh is 0\n");
continue;
}
- isp1760_writel(atl_regs + ISP_BANK(0), usb_hcd->regs +
- HC_MEMORY_REG);
- isp1760_writel(payload + ISP_BANK(1), usb_hcd->regs +
- HC_MEMORY_REG);
- /*
- * write bank1 address twice to ensure the 90ns delay (time
- * between BANK0 write and the priv_read_copy() call is at
- * least 3*t_WHWL + 2*t_w11 = 3*25ns + 2*17ns = 109ns)
- */
- isp1760_writel(payload + ISP_BANK(1), usb_hcd->regs +
- HC_MEMORY_REG);
+ ptd_read(hcd->regs, ATL_PTD_OFFSET, slot, &ptd);
- priv_read_copy(priv, (u32 *)&ptd, usb_hcd->regs + atl_regs +
- ISP_BANK(0), sizeof(ptd));
-
- dw1 = le32_to_cpu(ptd.dw1);
- dw2 = le32_to_cpu(ptd.dw2);
- dw3 = le32_to_cpu(ptd.dw3);
- rl = (dw2 >> 25) & 0x0f;
- nakcount = (dw3 >> 19) & 0xf;
+ rl = (ptd.dw2 >> 25) & 0x0f;
+ nakcount = (ptd.dw3 >> 19) & 0xf;
/* Transfer Error, *but* active and no HALT -> reload */
- if ((dw3 & DW3_ERROR_BIT) && (dw3 & DW3_QTD_ACTIVE) &&
- !(dw3 & DW3_HALT_BIT)) {
+ if ((ptd.dw3 & DW3_ERROR_BIT) && (ptd.dw3 & DW3_QTD_ACTIVE) &&
+ !(ptd.dw3 & DW3_HALT_BIT)) {
/* according to ppriv code, we have to
* reload this one if trasfered bytes != requested bytes
@@ -1040,13 +1041,14 @@ static void do_atl_int(struct usb_hcd *usb_hcd)
* triggered so far.
*/
- length = PTD_XFERRED_LENGTH(dw3);
- printk(KERN_ERR "Should reload now.... transfered %d "
+ length = PTD_XFERRED_LENGTH(ptd.dw3);
+ dev_err(hcd->self.controller,
+ "Should reload now... transferred %d "
"of %zu\n", length, qtd->length);
BUG();
}
- if (!nakcount && (dw3 & DW3_QTD_ACTIVE)) {
+ if (!nakcount && (ptd.dw3 & DW3_QTD_ACTIVE)) {
u32 buffstatus;
/*
@@ -1054,52 +1056,45 @@ static void do_atl_int(struct usb_hcd *usb_hcd)
* device is not able to send data fast enough.
* This happens mostly on slower hardware.
*/
- printk(KERN_NOTICE "Reloading ptd %p/%p... qh %p read: "
- "%d of %zu done: %08x cur: %08x\n", qtd,
- urb, qh, PTD_XFERRED_LENGTH(dw3),
- qtd->length, done_map,
- (1 << queue_entry));
/* RL counter = ERR counter */
- dw3 &= ~(0xf << 19);
- dw3 |= rl << 19;
- dw3 &= ~(3 << (55 - 32));
- dw3 |= ERR_COUNTER << (55 - 32);
+ ptd.dw3 &= ~(0xf << 19);
+ ptd.dw3 |= rl << 19;
+ ptd.dw3 &= ~(3 << (55 - 32));
+ ptd.dw3 |= ERR_COUNTER << (55 - 32);
/*
* It is not needed to write skip map back because it
* is unchanged. Just make sure that this entry is
* unskipped once it gets written to the HW.
*/
- skip_map &= ~(1 << queue_entry);
- or_map = isp1760_readl(usb_hcd->regs +
- HC_ATL_IRQ_MASK_OR_REG);
- or_map |= 1 << queue_entry;
- isp1760_writel(or_map, usb_hcd->regs +
- HC_ATL_IRQ_MASK_OR_REG);
-
- ptd.dw3 = cpu_to_le32(dw3);
- priv_write_copy(priv, (u32 *)&ptd, usb_hcd->regs +
- atl_regs, sizeof(ptd));
-
- ptd.dw0 |= cpu_to_le32(PTD_VALID);
- priv_write_copy(priv, (u32 *)&ptd, usb_hcd->regs +
- atl_regs, sizeof(ptd));
-
- buffstatus = isp1760_readl(usb_hcd->regs +
- HC_BUFFER_STATUS_REG);
+ skip_map &= ~(1 << slot);
+ or_map = reg_read32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG);
+ or_map |= 1 << slot;
+ reg_write32(hcd->regs, HC_ATL_IRQ_MASK_OR_REG, or_map);
+
+ ptd.dw0 |= PTD_VALID;
+ ptd_write(hcd->regs, ATL_PTD_OFFSET, slot, &ptd);
+
+ priv->atl_queued++;
+ if (priv->atl_queued == 2)
+ reg_write32(hcd->regs, HC_INTERRUPT_ENABLE,
+ INTERRUPT_ENABLE_SOT_MASK);
+
+ buffstatus = reg_read32(hcd->regs,
+ HC_BUFFER_STATUS_REG);
buffstatus |= ATL_BUFFER;
- isp1760_writel(buffstatus, usb_hcd->regs +
- HC_BUFFER_STATUS_REG);
+ reg_write32(hcd->regs, HC_BUFFER_STATUS_REG,
+ buffstatus);
continue;
}
- error = check_error(&ptd);
+ error = check_error(hcd, &ptd);
if (error) {
status = error;
- priv->atl_ints[queue_entry].qh->toggle = 0;
- priv->atl_ints[queue_entry].qh->ping = 0;
- urb->status = -EPIPE;
+ priv->atl_ints[slot].qh->toggle = 0;
+ priv->atl_ints[slot].qh->ping = 0;
+ qtd->urb->status = -EPIPE;
#if 0
printk(KERN_ERR "Error in %s().\n", __func__);
@@ -1110,154 +1105,123 @@ static void do_atl_int(struct usb_hcd *usb_hcd)
ptd.dw4, ptd.dw5, ptd.dw6, ptd.dw7);
#endif
} else {
- if (usb_pipetype(urb->pipe) == PIPE_BULK) {
- priv->atl_ints[queue_entry].qh->toggle = dw3 &
- (1 << 25);
- priv->atl_ints[queue_entry].qh->ping = dw3 &
- (1 << 26);
- }
+ priv->atl_ints[slot].qh->toggle = ptd.dw3 & (1 << 25);
+ priv->atl_ints[slot].qh->ping = ptd.dw3 & (1 << 26);
}
- length = PTD_XFERRED_LENGTH(dw3);
+ length = PTD_XFERRED_LENGTH(ptd.dw3);
if (length) {
- switch (DW1_GET_PID(dw1)) {
+ switch (DW1_GET_PID(ptd.dw1)) {
case IN_PID:
- priv_read_copy(priv,
- priv->atl_ints[queue_entry].data_buffer,
- usb_hcd->regs + payload + ISP_BANK(1),
- length);
+ mem_reads8(hcd->regs, qtd->payload_addr,
+ qtd->data_buffer, length);
case OUT_PID:
- urb->actual_length += length;
+ qtd->urb->actual_length += length;
case SETUP_PID:
break;
}
}
- priv->atl_ints[queue_entry].data_buffer = NULL;
- priv->atl_ints[queue_entry].urb = NULL;
- priv->atl_ints[queue_entry].qtd = NULL;
- priv->atl_ints[queue_entry].qh = NULL;
+ priv->atl_ints[slot].qtd = NULL;
+ priv->atl_ints[slot].qh = NULL;
- free_mem(priv, payload);
+ free_mem(hcd, qtd);
- isp1760_writel(skip_map, usb_hcd->regs +
- HC_ATL_PTD_SKIPMAP_REG);
+ reg_write32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG, skip_map);
- if (urb->status == -EPIPE) {
+ if (qtd->urb->status == -EPIPE) {
/* HALT was received */
- qtd = clean_up_qtdlist(qtd);
- isp1760_urb_done(priv, urb, urb->status);
+ urb = qtd->urb;
+ qtd = clean_up_qtdlist(qtd, qh);
+ isp1760_urb_done(hcd, urb);
- } else if (usb_pipebulk(urb->pipe) && (length < qtd->length)) {
+ } else if (usb_pipebulk(qtd->urb->pipe) &&
+ (length < qtd->length)) {
/* short BULK received */
- if (urb->transfer_flags & URB_SHORT_NOT_OK) {
- urb->status = -EREMOTEIO;
- isp1760_dbg(priv, "short bulk, %d instead %zu "
- "with URB_SHORT_NOT_OK flag.\n",
- length, qtd->length);
+ if (qtd->urb->transfer_flags & URB_SHORT_NOT_OK) {
+ qtd->urb->status = -EREMOTEIO;
+ dev_dbg(hcd->self.controller,
+ "short bulk, %d instead %zu "
+ "with URB_SHORT_NOT_OK flag.\n",
+ length, qtd->length);
}
- if (urb->status == -EINPROGRESS)
- urb->status = 0;
-
- qtd = clean_up_qtdlist(qtd);
+ if (qtd->urb->status == -EINPROGRESS)
+ qtd->urb->status = 0;
- isp1760_urb_done(priv, urb, urb->status);
+ urb = qtd->urb;
+ qtd = clean_up_qtdlist(qtd, qh);
+ isp1760_urb_done(hcd, urb);
- } else if (qtd->status & URB_COMPLETE_NOTIFY) {
+ } else if (last_qtd_of_urb(qtd, qh)) {
/* that was the last qtd of that URB */
- if (urb->status == -EINPROGRESS)
- urb->status = 0;
+ if (qtd->urb->status == -EINPROGRESS)
+ qtd->urb->status = 0;
- qtd = clean_this_qtd(qtd);
- isp1760_urb_done(priv, urb, urb->status);
+ urb = qtd->urb;
+ qtd = clean_up_qtdlist(qtd, qh);
+ isp1760_urb_done(hcd, urb);
} else {
/* next QTD of this URB */
- qtd = clean_this_qtd(qtd);
+ qtd = clean_this_qtd(qtd, qh);
BUG_ON(!qtd);
}
if (qtd)
- enqueue_an_ATL_packet(usb_hcd, qh, qtd);
+ enqueue_an_ATL_packet(hcd, qh, qtd);
- skip_map = isp1760_readl(usb_hcd->regs +
- HC_ATL_PTD_SKIPMAP_REG);
+ skip_map = reg_read32(hcd->regs, HC_ATL_PTD_SKIPMAP_REG);
}
+ if (priv->atl_queued <= 1)
+ reg_write32(hcd->regs, HC_INTERRUPT_ENABLE,
+ INTERRUPT_ENABLE_MASK);
}
-static void do_intl_int(struct usb_hcd *usb_hcd)
+static void do_intl_int(struct usb_hcd *hcd)
{
- struct isp1760_hcd *priv = hcd_to_priv(usb_hcd);
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
u32 done_map, skip_map;
struct ptd ptd;
- struct urb *urb = NULL;
- u32 int_regs;
- u32 int_regs_base;
- u32 payload;
+ struct urb *urb;
u32 length;
u32 or_map;
int error;
- u32 queue_entry;
+ u32 slot;
struct isp1760_qtd *qtd;
struct isp1760_qh *qh;
- done_map = isp1760_readl(usb_hcd->regs +
- HC_INT_PTD_DONEMAP_REG);
- skip_map = isp1760_readl(usb_hcd->regs +
- HC_INT_PTD_SKIPMAP_REG);
+ done_map = reg_read32(hcd->regs, HC_INT_PTD_DONEMAP_REG);
+ skip_map = reg_read32(hcd->regs, HC_INT_PTD_SKIPMAP_REG);
- or_map = isp1760_readl(usb_hcd->regs + HC_INT_IRQ_MASK_OR_REG);
+ or_map = reg_read32(hcd->regs, HC_INT_IRQ_MASK_OR_REG);
or_map &= ~done_map;
- isp1760_writel(or_map, usb_hcd->regs + HC_INT_IRQ_MASK_OR_REG);
-
- int_regs_base = INT_REGS_OFFSET;
+ reg_write32(hcd->regs, HC_INT_IRQ_MASK_OR_REG, or_map);
while (done_map) {
- u32 dw1;
- u32 dw3;
+ slot = __ffs(done_map);
+ done_map &= ~(1 << slot);
+ skip_map |= (1 << slot);
- queue_entry = __ffs(done_map);
- done_map &= ~(1 << queue_entry);
- skip_map |= 1 << queue_entry;
-
- int_regs = int_regs_base + queue_entry * sizeof(struct ptd);
- urb = priv->int_ints[queue_entry].urb;
- qtd = priv->int_ints[queue_entry].qtd;
- qh = priv->int_ints[queue_entry].qh;
- payload = priv->int_ints[queue_entry].payload;
+ qtd = priv->int_ints[slot].qtd;
+ qh = priv->int_ints[slot].qh;
if (!qh) {
- printk(KERN_ERR "(INT) qh is 0\n");
+ dev_err(hcd->self.controller, "(INT) qh is 0\n");
continue;
}
- isp1760_writel(int_regs + ISP_BANK(0), usb_hcd->regs +
- HC_MEMORY_REG);
- isp1760_writel(payload + ISP_BANK(1), usb_hcd->regs +
- HC_MEMORY_REG);
- /*
- * write bank1 address twice to ensure the 90ns delay (time
- * between BANK0 write and the priv_read_copy() call is at
- * least 3*t_WHWL + 2*t_w11 = 3*25ns + 2*17ns = 92ns)
- */
- isp1760_writel(payload + ISP_BANK(1), usb_hcd->regs +
- HC_MEMORY_REG);
+ ptd_read(hcd->regs, INT_PTD_OFFSET, slot, &ptd);
+ check_int_err_status(hcd, ptd.dw4);
- priv_read_copy(priv, (u32 *)&ptd, usb_hcd->regs + int_regs +
- ISP_BANK(0), sizeof(ptd));
- dw1 = le32_to_cpu(ptd.dw1);
- dw3 = le32_to_cpu(ptd.dw3);
- check_int_err_status(le32_to_cpu(ptd.dw4));
-
- error = check_error(&ptd);
+ error = check_error(hcd, &ptd);
if (error) {
#if 0
printk(KERN_ERR "Error in %s().\n", __func__);
@@ -1267,83 +1231,77 @@ static void do_intl_int(struct usb_hcd *usb_hcd)
ptd.dw0, ptd.dw1, ptd.dw2, ptd.dw3,
ptd.dw4, ptd.dw5, ptd.dw6, ptd.dw7);
#endif
- urb->status = -EPIPE;
- priv->int_ints[queue_entry].qh->toggle = 0;
- priv->int_ints[queue_entry].qh->ping = 0;
+ qtd->urb->status = -EPIPE;
+ priv->int_ints[slot].qh->toggle = 0;
+ priv->int_ints[slot].qh->ping = 0;
} else {
- priv->int_ints[queue_entry].qh->toggle =
- dw3 & (1 << 25);
- priv->int_ints[queue_entry].qh->ping = dw3 & (1 << 26);
+ priv->int_ints[slot].qh->toggle = ptd.dw3 & (1 << 25);
+ priv->int_ints[slot].qh->ping = ptd.dw3 & (1 << 26);
}
- if (urb->dev->speed != USB_SPEED_HIGH)
- length = PTD_XFERRED_LENGTH_LO(dw3);
+ if (qtd->urb->dev->speed != USB_SPEED_HIGH)
+ length = PTD_XFERRED_LENGTH_LO(ptd.dw3);
else
- length = PTD_XFERRED_LENGTH(dw3);
+ length = PTD_XFERRED_LENGTH(ptd.dw3);
if (length) {
- switch (DW1_GET_PID(dw1)) {
+ switch (DW1_GET_PID(ptd.dw1)) {
case IN_PID:
- priv_read_copy(priv,
- priv->int_ints[queue_entry].data_buffer,
- usb_hcd->regs + payload + ISP_BANK(1),
- length);
+ mem_reads8(hcd->regs, qtd->payload_addr,
+ qtd->data_buffer, length);
case OUT_PID:
- urb->actual_length += length;
+ qtd->urb->actual_length += length;
case SETUP_PID:
break;
}
}
- priv->int_ints[queue_entry].data_buffer = NULL;
- priv->int_ints[queue_entry].urb = NULL;
- priv->int_ints[queue_entry].qtd = NULL;
- priv->int_ints[queue_entry].qh = NULL;
+ priv->int_ints[slot].qtd = NULL;
+ priv->int_ints[slot].qh = NULL;
- isp1760_writel(skip_map, usb_hcd->regs +
- HC_INT_PTD_SKIPMAP_REG);
- free_mem(priv, payload);
+ reg_write32(hcd->regs, HC_INT_PTD_SKIPMAP_REG, skip_map);
+ free_mem(hcd, qtd);
- if (urb->status == -EPIPE) {
+ if (qtd->urb->status == -EPIPE) {
/* HALT received */
- qtd = clean_up_qtdlist(qtd);
- isp1760_urb_done(priv, urb, urb->status);
+ urb = qtd->urb;
+ qtd = clean_up_qtdlist(qtd, qh);
+ isp1760_urb_done(hcd, urb);
- } else if (qtd->status & URB_COMPLETE_NOTIFY) {
+ } else if (last_qtd_of_urb(qtd, qh)) {
- if (urb->status == -EINPROGRESS)
- urb->status = 0;
+ if (qtd->urb->status == -EINPROGRESS)
+ qtd->urb->status = 0;
- qtd = clean_this_qtd(qtd);
- isp1760_urb_done(priv, urb, urb->status);
+ urb = qtd->urb;
+ qtd = clean_up_qtdlist(qtd, qh);
+ isp1760_urb_done(hcd, urb);
} else {
/* next QTD of this URB */
- qtd = clean_this_qtd(qtd);
+ qtd = clean_this_qtd(qtd, qh);
BUG_ON(!qtd);
}
if (qtd)
- enqueue_an_INT_packet(usb_hcd, qh, qtd);
+ enqueue_an_INT_packet(hcd, qh, qtd);
- skip_map = isp1760_readl(usb_hcd->regs +
- HC_INT_PTD_SKIPMAP_REG);
+ skip_map = reg_read32(hcd->regs, HC_INT_PTD_SKIPMAP_REG);
}
}
-#define max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff)
-static struct isp1760_qh *qh_make(struct isp1760_hcd *priv, struct urb *urb,
+static struct isp1760_qh *qh_make(struct usb_hcd *hcd, struct urb *urb,
gfp_t flags)
{
struct isp1760_qh *qh;
int is_input, type;
- qh = isp1760_qh_alloc(priv, flags);
+ qh = isp1760_qh_alloc(flags);
if (!qh)
return qh;
@@ -1353,29 +1311,6 @@ static struct isp1760_qh *qh_make(struct isp1760_hcd *priv, struct urb *urb,
is_input = usb_pipein(urb->pipe);
type = usb_pipetype(urb->pipe);
- if (type == PIPE_INTERRUPT) {
-
- if (urb->dev->speed == USB_SPEED_HIGH) {
-
- qh->period = urb->interval >> 3;
- if (qh->period == 0 && urb->interval != 1) {
- /* NOTE interval 2 or 4 uframes could work.
- * But interval 1 scheduling is simpler, and
- * includes high bandwidth.
- */
- printk(KERN_ERR "intr period %d uframes, NYET!",
- urb->interval);
- qh_destroy(qh);
- return NULL;
- }
- } else {
- qh->period = urb->interval;
- }
- }
-
- /* support for tt scheduling, and access to toggles */
- qh->dev = urb->dev;
-
if (!usb_pipecontrol(urb->pipe))
usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), !is_input,
1);
@@ -1388,43 +1323,27 @@ static struct isp1760_qh *qh_make(struct isp1760_hcd *priv, struct urb *urb,
* Returns null if it can't allocate a QH it needs to.
* If the QH has TDs (urbs) already, that's great.
*/
-static struct isp1760_qh *qh_append_tds(struct isp1760_hcd *priv,
+static struct isp1760_qh *qh_append_tds(struct usb_hcd *hcd,
struct urb *urb, struct list_head *qtd_list, int epnum,
void **ptr)
{
struct isp1760_qh *qh;
- struct isp1760_qtd *qtd;
- struct isp1760_qtd *prev_qtd;
qh = (struct isp1760_qh *)*ptr;
if (!qh) {
/* can't sleep here, we have priv->lock... */
- qh = qh_make(priv, urb, GFP_ATOMIC);
+ qh = qh_make(hcd, urb, GFP_ATOMIC);
if (!qh)
return qh;
*ptr = qh;
}
- qtd = list_entry(qtd_list->next, struct isp1760_qtd,
- qtd_list);
- if (!list_empty(&qh->qtd_list))
- prev_qtd = list_entry(qh->qtd_list.prev,
- struct isp1760_qtd, qtd_list);
- else
- prev_qtd = NULL;
-
list_splice(qtd_list, qh->qtd_list.prev);
- if (prev_qtd) {
- BUG_ON(prev_qtd->hw_next);
- prev_qtd->hw_next = qtd;
- }
- urb->hcpriv = qh;
return qh;
}
-static void qtd_list_free(struct isp1760_hcd *priv, struct urb *urb,
- struct list_head *qtd_list)
+static void qtd_list_free(struct urb *urb, struct list_head *qtd_list)
{
struct list_head *entry, *temp;
@@ -1437,9 +1356,10 @@ static void qtd_list_free(struct isp1760_hcd *priv, struct urb *urb,
}
}
-static int isp1760_prepare_enqueue(struct isp1760_hcd *priv, struct urb *urb,
+static int isp1760_prepare_enqueue(struct usb_hcd *hcd, struct urb *urb,
struct list_head *qtd_list, gfp_t mem_flags, packet_enqueue *p)
{
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
struct isp1760_qtd *qtd;
int epnum;
unsigned long flags;
@@ -1451,11 +1371,11 @@ static int isp1760_prepare_enqueue(struct isp1760_hcd *priv, struct urb *urb,
epnum = urb->ep->desc.bEndpointAddress;
spin_lock_irqsave(&priv->lock, flags);
- if (!HCD_HW_ACCESSIBLE(priv_to_hcd(priv))) {
+ if (!HCD_HW_ACCESSIBLE(hcd)) {
rc = -ESHUTDOWN;
goto done;
}
- rc = usb_hcd_link_urb_to_ep(priv_to_hcd(priv), urb);
+ rc = usb_hcd_link_urb_to_ep(hcd, urb);
if (rc)
goto done;
@@ -1465,25 +1385,24 @@ static int isp1760_prepare_enqueue(struct isp1760_hcd *priv, struct urb *urb,
else
qh_busy = 0;
- qh = qh_append_tds(priv, urb, qtd_list, epnum, &urb->ep->hcpriv);
+ qh = qh_append_tds(hcd, urb, qtd_list, epnum, &urb->ep->hcpriv);
if (!qh) {
- usb_hcd_unlink_urb_from_ep(priv_to_hcd(priv), urb);
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
rc = -ENOMEM;
goto done;
}
if (!qh_busy)
- p(priv_to_hcd(priv), qh, qtd);
+ p(hcd, qh, qtd);
done:
spin_unlock_irqrestore(&priv->lock, flags);
if (!qh)
- qtd_list_free(priv, urb, qtd_list);
+ qtd_list_free(urb, qtd_list);
return rc;
}
-static struct isp1760_qtd *isp1760_qtd_alloc(struct isp1760_hcd *priv,
- gfp_t flags)
+static struct isp1760_qtd *isp1760_qtd_alloc(gfp_t flags)
{
struct isp1760_qtd *qtd;
@@ -1497,10 +1416,11 @@ static struct isp1760_qtd *isp1760_qtd_alloc(struct isp1760_hcd *priv,
/*
* create a list of filled qtds for this URB; won't link into qh.
*/
-static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv,
+#define max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff)
+static struct list_head *qh_urb_transaction(struct usb_hcd *hcd,
struct urb *urb, struct list_head *head, gfp_t flags)
{
- struct isp1760_qtd *qtd, *qtd_prev;
+ struct isp1760_qtd *qtd;
void *buf;
int len, maxpacket;
int is_input;
@@ -1509,7 +1429,7 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv,
/*
* URBs map to sequences of QTDs: one logical transaction
*/
- qtd = isp1760_qtd_alloc(priv, flags);
+ qtd = isp1760_qtd_alloc(flags);
if (!qtd)
return NULL;
@@ -1529,13 +1449,10 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv,
token | SETUP_PID);
/* ... and always at least one more pid */
- token ^= DATA_TOGGLE;
- qtd_prev = qtd;
- qtd = isp1760_qtd_alloc(priv, flags);
+ qtd = isp1760_qtd_alloc(flags);
if (!qtd)
goto cleanup;
qtd->urb = urb;
- qtd_prev->hw_next = qtd;
list_add_tail(&qtd->qtd_list, head);
/* for zero length DATA stages, STATUS is always IN */
@@ -1565,7 +1482,7 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv,
if (!buf && len) {
/* XXX This looks like usb storage / SCSI bug */
- printk(KERN_ERR "buf is null, dma is %08lx len is %d\n",
+ dev_err(hcd->self.controller, "buf is null, dma is %08lx len is %d\n",
(long unsigned)urb->transfer_dma, len);
WARN_ON(1);
}
@@ -1574,19 +1491,13 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv,
len -= this_qtd_len;
buf += this_qtd_len;
- /* qh makes control packets use qtd toggle; maybe switch it */
- if ((maxpacket & (this_qtd_len + (maxpacket - 1))) == 0)
- token ^= DATA_TOGGLE;
-
if (len <= 0)
break;
- qtd_prev = qtd;
- qtd = isp1760_qtd_alloc(priv, flags);
+ qtd = isp1760_qtd_alloc(flags);
if (!qtd)
goto cleanup;
qtd->urb = urb;
- qtd_prev->hw_next = qtd;
list_add_tail(&qtd->qtd_list, head);
}
@@ -1601,20 +1512,16 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv,
one_more = 1;
/* "in" <--> "out" */
token ^= IN_PID;
- /* force DATA1 */
- token |= DATA_TOGGLE;
} else if (usb_pipebulk(urb->pipe)
&& (urb->transfer_flags & URB_ZERO_PACKET)
&& !(urb->transfer_buffer_length % maxpacket)) {
one_more = 1;
}
if (one_more) {
- qtd_prev = qtd;
- qtd = isp1760_qtd_alloc(priv, flags);
+ qtd = isp1760_qtd_alloc(flags);
if (!qtd)
goto cleanup;
qtd->urb = urb;
- qtd_prev->hw_next = qtd;
list_add_tail(&qtd->qtd_list, head);
/* never any data in such packets */
@@ -1622,18 +1529,17 @@ static struct list_head *qh_urb_transaction(struct isp1760_hcd *priv,
}
}
- qtd->status = URB_COMPLETE_NOTIFY;
+ qtd->status = 0;
return head;
cleanup:
- qtd_list_free(priv, urb, head);
+ qtd_list_free(urb, head);
return NULL;
}
static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
gfp_t mem_flags)
{
- struct isp1760_hcd *priv = hcd_to_priv(hcd);
struct list_head qtd_list;
packet_enqueue *pe;
@@ -1642,29 +1548,27 @@ static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
switch (usb_pipetype(urb->pipe)) {
case PIPE_CONTROL:
case PIPE_BULK:
-
- if (!qh_urb_transaction(priv, urb, &qtd_list, mem_flags))
+ if (!qh_urb_transaction(hcd, urb, &qtd_list, mem_flags))
return -ENOMEM;
pe = enqueue_an_ATL_packet;
break;
case PIPE_INTERRUPT:
- if (!qh_urb_transaction(priv, urb, &qtd_list, mem_flags))
+ if (!qh_urb_transaction(hcd, urb, &qtd_list, mem_flags))
return -ENOMEM;
pe = enqueue_an_INT_packet;
break;
case PIPE_ISOCHRONOUS:
- printk(KERN_ERR "PIPE_ISOCHRONOUS ain't supported\n");
+ dev_err(hcd->self.controller, "PIPE_ISOCHRONOUS ain't supported\n");
default:
return -EPIPE;
}
- return isp1760_prepare_enqueue(priv, urb, &qtd_list, mem_flags, pe);
+ return isp1760_prepare_enqueue(hcd, urb, &qtd_list, mem_flags, pe);
}
-static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
- int status)
+static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
{
struct isp1760_hcd *priv = hcd_to_priv(hcd);
struct inter_packet_info *ints;
@@ -1681,7 +1585,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
case PIPE_INTERRUPT:
ints = priv->int_ints;
- reg_base = INT_REGS_OFFSET;
+ reg_base = INT_PTD_OFFSET;
or_reg = HC_INT_IRQ_MASK_OR_REG;
skip_reg = HC_INT_PTD_SKIPMAP_REG;
pe = enqueue_an_INT_packet;
@@ -1689,7 +1593,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
default:
ints = priv->atl_ints;
- reg_base = ATL_REGS_OFFSET;
+ reg_base = ATL_PTD_OFFSET;
or_reg = HC_ATL_IRQ_MASK_OR_REG;
skip_reg = HC_ATL_PTD_SKIPMAP_REG;
pe = enqueue_an_ATL_packet;
@@ -1700,81 +1604,84 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
spin_lock_irqsave(&priv->lock, flags);
for (i = 0; i < 32; i++) {
- if (ints->urb == urb) {
+ if (!ints[i].qh)
+ continue;
+ BUG_ON(!ints[i].qtd);
+
+ if (ints[i].qtd->urb == urb) {
u32 skip_map;
u32 or_map;
struct isp1760_qtd *qtd;
- struct isp1760_qh *qh = ints->qh;
+ struct isp1760_qh *qh;
- skip_map = isp1760_readl(hcd->regs + skip_reg);
+ skip_map = reg_read32(hcd->regs, skip_reg);
skip_map |= 1 << i;
- isp1760_writel(skip_map, hcd->regs + skip_reg);
+ reg_write32(hcd->regs, skip_reg, skip_map);
- or_map = isp1760_readl(hcd->regs + or_reg);
+ or_map = reg_read32(hcd->regs, or_reg);
or_map &= ~(1 << i);
- isp1760_writel(or_map, hcd->regs + or_reg);
+ reg_write32(hcd->regs, or_reg, or_map);
+
+ ptd_write(hcd->regs, reg_base, i, &ptd);
- priv_write_copy(priv, (u32 *)&ptd, hcd->regs + reg_base
- + i * sizeof(ptd), sizeof(ptd));
- qtd = ints->qtd;
- qtd = clean_up_qtdlist(qtd);
+ qtd = ints[i].qtd;
+ qh = ints[i].qh;
- free_mem(priv, ints->payload);
+ free_mem(hcd, qtd);
+ qtd = clean_up_qtdlist(qtd, qh);
- ints->urb = NULL;
- ints->qh = NULL;
- ints->qtd = NULL;
- ints->data_buffer = NULL;
- ints->payload = 0;
+ ints[i].qh = NULL;
+ ints[i].qtd = NULL;
- isp1760_urb_done(priv, urb, status);
+ isp1760_urb_done(hcd, urb);
if (qtd)
pe(hcd, qh, qtd);
break;
- } else if (ints->qtd) {
- struct isp1760_qtd *qtd, *prev_qtd = ints->qtd;
+ } else {
+ struct isp1760_qtd *qtd;
- for (qtd = ints->qtd->hw_next; qtd; qtd = qtd->hw_next) {
+ list_for_each_entry(qtd, &ints[i].qtd->qtd_list,
+ qtd_list) {
if (qtd->urb == urb) {
- prev_qtd->hw_next = clean_up_qtdlist(qtd);
- isp1760_urb_done(priv, urb, status);
+ clean_up_qtdlist(qtd, ints[i].qh);
+ isp1760_urb_done(hcd, urb);
+ qtd = NULL;
break;
}
- prev_qtd = qtd;
}
- /* we found the urb before the end of the list */
- if (qtd)
+
+ /* We found the urb before the last slot */
+ if (!qtd)
break;
}
- ints++;
}
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
}
-static irqreturn_t isp1760_irq(struct usb_hcd *usb_hcd)
+static irqreturn_t isp1760_irq(struct usb_hcd *hcd)
{
- struct isp1760_hcd *priv = hcd_to_priv(usb_hcd);
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
u32 imask;
irqreturn_t irqret = IRQ_NONE;
spin_lock(&priv->lock);
- if (!(usb_hcd->state & HC_STATE_RUNNING))
+ if (!(hcd->state & HC_STATE_RUNNING))
goto leave;
- imask = isp1760_readl(usb_hcd->regs + HC_INTERRUPT_REG);
+ imask = reg_read32(hcd->regs, HC_INTERRUPT_REG);
if (unlikely(!imask))
goto leave;
- isp1760_writel(imask, usb_hcd->regs + HC_INTERRUPT_REG);
- if (imask & HC_ATL_INT)
- do_atl_int(usb_hcd);
+ reg_write32(hcd->regs, HC_INTERRUPT_REG, imask);
+ if (imask & (HC_ATL_INT | HC_SOT_INT))
+ do_atl_int(hcd);
if (imask & HC_INTL_INT)
- do_intl_int(usb_hcd);
+ do_intl_int(hcd);
irqret = IRQ_HANDLED;
leave:
@@ -1799,12 +1706,12 @@ static int isp1760_hub_status_data(struct usb_hcd *hcd, char *buf)
mask = PORT_CSC;
spin_lock_irqsave(&priv->lock, flags);
- temp = isp1760_readl(hcd->regs + HC_PORTSC1);
+ temp = reg_read32(hcd->regs, HC_PORTSC1);
if (temp & PORT_OWNER) {
if (temp & PORT_CSC) {
temp &= ~PORT_CSC;
- isp1760_writel(temp, hcd->regs + HC_PORTSC1);
+ reg_write32(hcd->regs, HC_PORTSC1, temp);
goto done;
}
}
@@ -1844,9 +1751,9 @@ static void isp1760_hub_descriptor(struct isp1760_hcd *priv,
temp = 1 + (ports / 8);
desc->bDescLength = 7 + 2 * temp;
- /* two bitmaps: ports removable, and usb 1.0 legacy PortPwrCtrlMask */
- memset(&desc->bitmap[0], 0, temp);
- memset(&desc->bitmap[temp], 0xff, temp);
+ /* ports removable, and usb 1.0 legacy PortPwrCtrlMask */
+ memset(&desc->u.hs.DeviceRemovable[0], 0, temp);
+ memset(&desc->u.hs.DeviceRemovable[temp], 0xff, temp);
/* per-port overcurrent reporting */
temp = 0x0008;
@@ -1861,8 +1768,8 @@ static void isp1760_hub_descriptor(struct isp1760_hcd *priv,
#define PORT_WAKE_BITS (PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E)
-static int check_reset_complete(struct isp1760_hcd *priv, int index,
- u32 __iomem *status_reg, int port_status)
+static int check_reset_complete(struct usb_hcd *hcd, int index,
+ int port_status)
{
if (!(port_status & PORT_CONNECT))
return port_status;
@@ -1870,15 +1777,17 @@ static int check_reset_complete(struct isp1760_hcd *priv, int index,
/* if reset finished and it's still not enabled -- handoff */
if (!(port_status & PORT_PE)) {
- printk(KERN_ERR "port %d full speed --> companion\n",
- index + 1);
+ dev_err(hcd->self.controller,
+ "port %d full speed --> companion\n",
+ index + 1);
port_status |= PORT_OWNER;
port_status &= ~PORT_RWC_BITS;
- isp1760_writel(port_status, status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1, port_status);
} else
- printk(KERN_ERR "port %d high speed\n", index + 1);
+ dev_err(hcd->self.controller, "port %d high speed\n",
+ index + 1);
return port_status;
}
@@ -1888,7 +1797,6 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
{
struct isp1760_hcd *priv = hcd_to_priv(hcd);
int ports = HCS_N_PORTS(priv->hcs_params);
- u32 __iomem *status_reg = hcd->regs + HC_PORTSC1;
u32 temp, status;
unsigned long flags;
int retval = 0;
@@ -1917,7 +1825,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
if (!wIndex || wIndex > ports)
goto error;
wIndex--;
- temp = isp1760_readl(status_reg);
+ temp = reg_read32(hcd->regs, HC_PORTSC1);
/*
* Even if OWNER is set, so the port is owned by the
@@ -1928,7 +1836,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
switch (wValue) {
case USB_PORT_FEAT_ENABLE:
- isp1760_writel(temp & ~PORT_PE, status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1, temp & ~PORT_PE);
break;
case USB_PORT_FEAT_C_ENABLE:
/* XXX error? */
@@ -1942,8 +1850,8 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
goto error;
/* resume signaling for 20 msec */
temp &= ~(PORT_RWC_BITS);
- isp1760_writel(temp | PORT_RESUME,
- status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1,
+ temp | PORT_RESUME);
priv->reset_done = jiffies +
msecs_to_jiffies(20);
}
@@ -1953,11 +1861,11 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
break;
case USB_PORT_FEAT_POWER:
if (HCS_PPC(priv->hcs_params))
- isp1760_writel(temp & ~PORT_POWER, status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1,
+ temp & ~PORT_POWER);
break;
case USB_PORT_FEAT_C_CONNECTION:
- isp1760_writel(temp | PORT_CSC,
- status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1, temp | PORT_CSC);
break;
case USB_PORT_FEAT_C_OVER_CURRENT:
/* XXX error ?*/
@@ -1968,7 +1876,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
default:
goto error;
}
- isp1760_readl(hcd->regs + HC_USBCMD);
+ reg_read32(hcd->regs, HC_USBCMD);
break;
case GetHubDescriptor:
isp1760_hub_descriptor(priv, (struct usb_hub_descriptor *)
@@ -1983,7 +1891,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
goto error;
wIndex--;
status = 0;
- temp = isp1760_readl(status_reg);
+ temp = reg_read32(hcd->regs, HC_PORTSC1);
/* wPortChange bits */
if (temp & PORT_CSC)
@@ -1992,7 +1900,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
/* whoever resumes must GetPortStatus to complete it!! */
if (temp & PORT_RESUME) {
- printk(KERN_ERR "Port resume should be skipped.\n");
+ dev_err(hcd->self.controller, "Port resume should be skipped.\n");
/* Remote Wakeup received? */
if (!priv->reset_done) {
@@ -2000,8 +1908,7 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
priv->reset_done = jiffies
+ msecs_to_jiffies(20);
/* check the port again */
- mod_timer(&priv_to_hcd(priv)->rh_timer,
- priv->reset_done);
+ mod_timer(&hcd->rh_timer, priv->reset_done);
}
/* resume completed? */
@@ -2011,14 +1918,13 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
priv->reset_done = 0;
/* stop resume signaling */
- temp = isp1760_readl(status_reg);
- isp1760_writel(
- temp & ~(PORT_RWC_BITS | PORT_RESUME),
- status_reg);
- retval = handshake(priv, status_reg,
+ temp = reg_read32(hcd->regs, HC_PORTSC1);
+ reg_write32(hcd->regs, HC_PORTSC1,
+ temp & ~(PORT_RWC_BITS | PORT_RESUME));
+ retval = handshake(hcd, HC_PORTSC1,
PORT_RESUME, 0, 2000 /* 2msec */);
if (retval != 0) {
- isp1760_err(priv,
+ dev_err(hcd->self.controller,
"port %d resume error %d\n",
wIndex + 1, retval);
goto error;
@@ -2035,22 +1941,21 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
priv->reset_done = 0;
/* force reset to complete */
- isp1760_writel(temp & ~PORT_RESET,
- status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1, temp & ~PORT_RESET);
/* REVISIT: some hardware needs 550+ usec to clear
* this bit; seems too long to spin routinely...
*/
- retval = handshake(priv, status_reg,
+ retval = handshake(hcd, HC_PORTSC1,
PORT_RESET, 0, 750);
if (retval != 0) {
- isp1760_err(priv, "port %d reset error %d\n",
+ dev_err(hcd->self.controller, "port %d reset error %d\n",
wIndex + 1, retval);
goto error;
}
/* see what we found out */
- temp = check_reset_complete(priv, wIndex, status_reg,
- isp1760_readl(status_reg));
+ temp = check_reset_complete(hcd, wIndex,
+ reg_read32(hcd->regs, HC_PORTSC1));
}
/*
* Even if OWNER is set, there's no harm letting khubd
@@ -2059,12 +1964,12 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
*/
if (temp & PORT_OWNER)
- printk(KERN_ERR "Warning: PORT_OWNER is set\n");
+ dev_err(hcd->self.controller, "PORT_OWNER is set\n");
if (temp & PORT_CONNECT) {
status |= USB_PORT_STAT_CONNECTION;
/* status may be from integrated TT */
- status |= ehci_port_speed(priv, temp);
+ status |= USB_PORT_STAT_HIGH_SPEED;
}
if (temp & PORT_PE)
status |= USB_PORT_STAT_ENABLE;
@@ -2093,14 +1998,14 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
if (!wIndex || wIndex > ports)
goto error;
wIndex--;
- temp = isp1760_readl(status_reg);
+ temp = reg_read32(hcd->regs, HC_PORTSC1);
if (temp & PORT_OWNER)
break;
/* temp &= ~PORT_RWC_BITS; */
switch (wValue) {
case USB_PORT_FEAT_ENABLE:
- isp1760_writel(temp | PORT_PE, status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1, temp | PORT_PE);
break;
case USB_PORT_FEAT_SUSPEND:
@@ -2108,12 +2013,12 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
|| (temp & PORT_RESET) != 0)
goto error;
- isp1760_writel(temp | PORT_SUSPEND, status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1, temp | PORT_SUSPEND);
break;
case USB_PORT_FEAT_POWER:
if (HCS_PPC(priv->hcs_params))
- isp1760_writel(temp | PORT_POWER,
- status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1,
+ temp | PORT_POWER);
break;
case USB_PORT_FEAT_RESET:
if (temp & PORT_RESUME)
@@ -2136,12 +2041,12 @@ static int isp1760_hub_control(struct usb_hcd *hcd, u16 typeReq,
priv->reset_done = jiffies +
msecs_to_jiffies(50);
}
- isp1760_writel(temp, status_reg);
+ reg_write32(hcd->regs, HC_PORTSC1, temp);
break;
default:
goto error;
}
- isp1760_readl(hcd->regs + HC_USBCMD);
+ reg_read32(hcd->regs, HC_USBCMD);
break;
default:
@@ -2153,10 +2058,10 @@ error:
return retval;
}
-static void isp1760_endpoint_disable(struct usb_hcd *usb_hcd,
+static void isp1760_endpoint_disable(struct usb_hcd *hcd,
struct usb_host_endpoint *ep)
{
- struct isp1760_hcd *priv = hcd_to_priv(usb_hcd);
+ struct isp1760_hcd *priv = hcd_to_priv(hcd);
struct isp1760_qh *qh;
struct isp1760_qtd *qtd;
unsigned long flags;
@@ -2176,16 +2081,16 @@ static void isp1760_endpoint_disable(struct usb_hcd *usb_hcd,
qtd_list);
if (qtd->status & URB_ENQUEUED) {
-
spin_unlock_irqrestore(&priv->lock, flags);
- isp1760_urb_dequeue(usb_hcd, qtd->urb, -ECONNRESET);
+ isp1760_urb_dequeue(hcd, qtd->urb, -ECONNRESET);
spin_lock_irqsave(&priv->lock, flags);
} else {
struct urb *urb;
urb = qtd->urb;
- clean_up_qtdlist(qtd);
- isp1760_urb_done(priv, urb, -ECONNRESET);
+ clean_up_qtdlist(qtd, qh);
+ urb->status = -ECONNRESET;
+ isp1760_urb_done(hcd, urb);
}
} while (1);
@@ -2203,7 +2108,7 @@ static int isp1760_get_frame(struct usb_hcd *hcd)
struct isp1760_hcd *priv = hcd_to_priv(hcd);
u32 fr;
- fr = isp1760_readl(hcd->regs + HC_FRINDEX);
+ fr = reg_read32(hcd->regs, HC_FRINDEX);
return (fr >> 3) % priv->periodic_size;
}
@@ -2217,13 +2122,13 @@ static void isp1760_stop(struct usb_hcd *hcd)
mdelay(20);
spin_lock_irq(&priv->lock);
- ehci_reset(priv);
+ ehci_reset(hcd);
/* Disable IRQ */
- temp = isp1760_readl(hcd->regs + HC_HW_MODE_CTRL);
- isp1760_writel(temp &= ~HW_GLOBAL_INTR_EN, hcd->regs + HC_HW_MODE_CTRL);
+ temp = reg_read32(hcd->regs, HC_HW_MODE_CTRL);
+ reg_write32(hcd->regs, HC_HW_MODE_CTRL, temp &= ~HW_GLOBAL_INTR_EN);
spin_unlock_irq(&priv->lock);
- isp1760_writel(0, hcd->regs + HC_CONFIGFLAG);
+ reg_write32(hcd->regs, HC_CONFIGFLAG, 0);
}
static void isp1760_shutdown(struct usb_hcd *hcd)
@@ -2231,12 +2136,12 @@ static void isp1760_shutdown(struct usb_hcd *hcd)
u32 command, temp;
isp1760_stop(hcd);
- temp = isp1760_readl(hcd->regs + HC_HW_MODE_CTRL);
- isp1760_writel(temp &= ~HW_GLOBAL_INTR_EN, hcd->regs + HC_HW_MODE_CTRL);
+ temp = reg_read32(hcd->regs, HC_HW_MODE_CTRL);
+ reg_write32(hcd->regs, HC_HW_MODE_CTRL, temp &= ~HW_GLOBAL_INTR_EN);
- command = isp1760_readl(hcd->regs + HC_USBCMD);
+ command = reg_read32(hcd->regs, HC_USBCMD);
command &= ~CMD_RUN;
- isp1760_writel(command, hcd->regs + HC_USBCMD);
+ reg_write32(hcd->regs, HC_USBCMD, command);
}
static const struct hc_driver isp1760_hc_driver = {
generated by cgit v1.1 at 2024-06-01 07:17:56 +0000