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path: root/drivers/usb/gadget/net2280.h
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Diffstat (limited to 'drivers/usb/gadget/net2280.h')
-rw-r--r--drivers/usb/gadget/net2280.h121
1 files changed, 110 insertions, 11 deletions
diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h
index a844be0d683a..a257516abbd6 100644
--- a/drivers/usb/gadget/net2280.h
+++ b/drivers/usb/gadget/net2280.h
@@ -6,6 +6,7 @@
/*
* Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com)
* Copyright (C) 2003 David Brownell
+ * Copyright (C) 2014 Ricardo Ribalda - Qtechnology/AS
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -14,6 +15,7 @@
*/
#include <linux/usb/net2280.h>
+#include <linux/usb/usb338x.h>
/*-------------------------------------------------------------------------*/
@@ -59,13 +61,14 @@ set_idx_reg (struct net2280_regs __iomem *regs, u32 index, u32 value)
#define CHIPREV_1 0x0100
#define CHIPREV_1A 0x0110
-#ifdef __KERNEL__
+/* DEFECT 7374 */
+#define DEFECT_7374_NUMBEROF_MAX_WAIT_LOOPS 200
+#define DEFECT_7374_PROCESSOR_WAIT_TIME 10
-/* ep a-f highspeed and fullspeed maxpacket, addresses
- * computed from ep->num
- */
-#define REG_EP_MAXPKT(dev,num) (((num) + 1) * 0x10 + \
- (((dev)->gadget.speed == USB_SPEED_HIGH) ? 0 : 1))
+/* ep0 max packet size */
+#define EP0_SS_MAX_PACKET_SIZE 0x200
+#define EP0_HS_MAX_PACKET_SIZE 0x40
+#ifdef __KERNEL__
/*-------------------------------------------------------------------------*/
@@ -85,12 +88,15 @@ struct net2280_dma {
struct net2280_ep {
struct usb_ep ep;
+ struct net2280_ep_regs __iomem *cfg;
struct net2280_ep_regs __iomem *regs;
struct net2280_dma_regs __iomem *dma;
struct net2280_dma *dummy;
+ struct usb338x_fifo_regs __iomem *fiforegs;
dma_addr_t td_dma; /* of dummy */
struct net2280 *dev;
unsigned long irqs;
+ unsigned is_halt:1, dma_started:1;
/* analogous to a host-side qh */
struct list_head queue;
@@ -116,10 +122,19 @@ static inline void allow_status (struct net2280_ep *ep)
ep->stopped = 1;
}
-/* count (<= 4) bytes in the next fifo write will be valid */
-static inline void set_fifo_bytecount (struct net2280_ep *ep, unsigned count)
+static void allow_status_338x(struct net2280_ep *ep)
{
- writeb (count, 2 + (u8 __iomem *) &ep->regs->ep_cfg);
+ /*
+ * Control Status Phase Handshake was set by the chip when the setup
+ * packet arrived. While set, the chip automatically NAKs the host's
+ * Status Phase tokens.
+ */
+ writel(1 << CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE, &ep->regs->ep_rsp);
+
+ ep->stopped = 1;
+
+ /* TD 9.9 Halt Endpoint test. TD 9.22 set feature test. */
+ ep->responded = 0;
}
struct net2280_request {
@@ -135,23 +150,38 @@ struct net2280 {
/* each pci device provides one gadget, several endpoints */
struct usb_gadget gadget;
spinlock_t lock;
- struct net2280_ep ep [7];
+ struct net2280_ep ep[9];
struct usb_gadget_driver *driver;
unsigned enabled : 1,
protocol_stall : 1,
softconnect : 1,
got_irq : 1,
- region : 1;
+ region:1,
+ u1_enable:1,
+ u2_enable:1,
+ ltm_enable:1,
+ wakeup_enable:1,
+ selfpowered:1,
+ addressed_state:1;
u16 chiprev;
+ int enhanced_mode;
+ int n_ep;
/* pci state used to access those endpoints */
struct pci_dev *pdev;
struct net2280_regs __iomem *regs;
struct net2280_usb_regs __iomem *usb;
+ struct usb338x_usb_ext_regs __iomem *usb_ext;
struct net2280_pci_regs __iomem *pci;
struct net2280_dma_regs __iomem *dma;
struct net2280_dep_regs __iomem *dep;
struct net2280_ep_regs __iomem *epregs;
+ struct usb338x_fifo_regs __iomem *fiforegs;
+ struct usb338x_ll_regs __iomem *llregs;
+ struct usb338x_ll_lfps_regs __iomem *ll_lfps_regs;
+ struct usb338x_ll_tsn_regs __iomem *ll_tsn_regs;
+ struct usb338x_ll_chi_regs __iomem *ll_chicken_reg;
+ struct usb338x_pl_regs __iomem *plregs;
struct pci_pool *requests;
// statistics...
@@ -179,6 +209,43 @@ static inline void clear_halt (struct net2280_ep *ep)
, &ep->regs->ep_rsp);
}
+/*
+ * FSM value for Defect 7374 (U1U2 Test) is managed in
+ * chip's SCRATCH register:
+ */
+#define DEFECT7374_FSM_FIELD 28
+
+/* Waiting for Control Read:
+ * - A transition to this state indicates a fresh USB connection,
+ * before the first Setup Packet. The connection speed is not
+ * known. Firmware is waiting for the first Control Read.
+ * - Starting state: This state can be thought of as the FSM's typical
+ * starting state.
+ * - Tip: Upon the first SS Control Read the FSM never
+ * returns to this state.
+ */
+#define DEFECT7374_FSM_WAITING_FOR_CONTROL_READ (1 << DEFECT7374_FSM_FIELD)
+
+/* Non-SS Control Read:
+ * - A transition to this state indicates detection of the first HS
+ * or FS Control Read.
+ * - Tip: Upon the first SS Control Read the FSM never
+ * returns to this state.
+ */
+#define DEFECT7374_FSM_NON_SS_CONTROL_READ (2 << DEFECT7374_FSM_FIELD)
+
+/* SS Control Read:
+ * - A transition to this state indicates detection of the
+ * first SS Control Read.
+ * - This state indicates workaround completion. Workarounds no longer
+ * need to be applied (as long as the chip remains powered up).
+ * - Tip: Once in this state the FSM state does not change (until
+ * the chip's power is lost and restored).
+ * - This can be thought of as the final state of the FSM;
+ * the FSM 'locks-up' in this state until the chip loses power.
+ */
+#define DEFECT7374_FSM_SS_CONTROL_READ (3 << DEFECT7374_FSM_FIELD)
+
#ifdef USE_RDK_LEDS
static inline void net2280_led_init (struct net2280 *dev)
@@ -198,6 +265,9 @@ void net2280_led_speed (struct net2280 *dev, enum usb_device_speed speed)
{
u32 val = readl (&dev->regs->gpioctl);
switch (speed) {
+ case USB_SPEED_SUPER: /* green + red */
+ val |= (1 << GPIO0_DATA) | (1 << GPIO1_DATA);
+ break;
case USB_SPEED_HIGH: /* green */
val &= ~(1 << GPIO0_DATA);
val |= (1 << GPIO1_DATA);
@@ -271,6 +341,17 @@ static inline void net2280_led_shutdown (struct net2280 *dev)
/*-------------------------------------------------------------------------*/
+static inline void set_fifo_bytecount(struct net2280_ep *ep, unsigned count)
+{
+ if (ep->dev->pdev->vendor == 0x17cc)
+ writeb(count, 2 + (u8 __iomem *) &ep->regs->ep_cfg);
+ else{
+ u32 tmp = readl(&ep->cfg->ep_cfg) &
+ (~(0x07 << EP_FIFO_BYTE_COUNT));
+ writel(tmp | (count << EP_FIFO_BYTE_COUNT), &ep->cfg->ep_cfg);
+ }
+}
+
static inline void start_out_naking (struct net2280_ep *ep)
{
/* NOTE: hardware races lurk here, and PING protocol issues */
@@ -305,4 +386,22 @@ static inline void stop_out_naking (struct net2280_ep *ep)
writel ((1 << CLEAR_NAK_OUT_PACKETS), &ep->regs->ep_rsp);
}
+
+static inline void set_max_speed(struct net2280_ep *ep, u32 max)
+{
+ u32 reg;
+ static const u32 ep_enhanced[9] = { 0x10, 0x60, 0x30, 0x80,
+ 0x50, 0x20, 0x70, 0x40, 0x90 };
+
+ if (ep->dev->enhanced_mode)
+ reg = ep_enhanced[ep->num];
+ else{
+ reg = (ep->num + 1) * 0x10;
+ if (ep->dev->gadget.speed != USB_SPEED_HIGH)
+ reg += 1;
+ }
+
+ set_idx_reg(ep->dev->regs, reg, max);
+}
+
#endif /* __KERNEL__ */
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-31 18:27:45 +0300