2 * omap_udc.h -- for omap 3.2 udc, with OTG support
4 * 2004 (C) Texas Instruments, Inc.
5 * 2004 (C) David Brownell
9 * USB device/endpoint management registers
11 #define UDC_REG(offset) __REG16(UDC_BASE + (offset))
13 #define UDC_REV_REG UDC_REG(0x0) /* Revision */
14 #define UDC_EP_NUM_REG UDC_REG(0x4) /* Which endpoint */
15 # define UDC_SETUP_SEL (1 << 6)
16 # define UDC_EP_SEL (1 << 5)
17 # define UDC_EP_DIR (1 << 4)
18 /* low 4 bits for endpoint number */
19 #define UDC_DATA_REG UDC_REG(0x08) /* Endpoint FIFO */
20 #define UDC_CTRL_REG UDC_REG(0x0C) /* Endpoint control */
21 # define UDC_CLR_HALT (1 << 7)
22 # define UDC_SET_HALT (1 << 6)
23 # define UDC_CLRDATA_TOGGLE (1 << 3)
24 # define UDC_SET_FIFO_EN (1 << 2)
25 # define UDC_CLR_EP (1 << 1)
26 # define UDC_RESET_EP (1 << 0)
27 #define UDC_STAT_FLG_REG UDC_REG(0x10) /* Endpoint status */
28 # define UDC_NO_RXPACKET (1 << 15)
29 # define UDC_MISS_IN (1 << 14)
30 # define UDC_DATA_FLUSH (1 << 13)
31 # define UDC_ISO_ERR (1 << 12)
32 # define UDC_ISO_FIFO_EMPTY (1 << 9)
33 # define UDC_ISO_FIFO_FULL (1 << 8)
34 # define UDC_EP_HALTED (1 << 6)
35 # define UDC_STALL (1 << 5)
36 # define UDC_NAK (1 << 4)
37 # define UDC_ACK (1 << 3)
38 # define UDC_FIFO_EN (1 << 2)
39 # define UDC_NON_ISO_FIFO_EMPTY (1 << 1)
40 # define UDC_NON_ISO_FIFO_FULL (1 << 0)
41 #define UDC_RXFSTAT_REG UDC_REG(0x14) /* OUT bytecount */
42 #define UDC_SYSCON1_REG UDC_REG(0x18) /* System config 1 */
43 # define UDC_CFG_LOCK (1 << 8)
44 # define UDC_DATA_ENDIAN (1 << 7)
45 # define UDC_DMA_ENDIAN (1 << 6)
46 # define UDC_NAK_EN (1 << 4)
47 # define UDC_AUTODECODE_DIS (1 << 3)
48 # define UDC_SELF_PWR (1 << 2)
49 # define UDC_SOFF_DIS (1 << 1)
50 # define UDC_PULLUP_EN (1 << 0)
51 #define UDC_SYSCON2_REG UDC_REG(0x1C) /* System config 2 */
52 # define UDC_RMT_WKP (1 << 6)
53 # define UDC_STALL_CMD (1 << 5)
54 # define UDC_DEV_CFG (1 << 3)
55 # define UDC_CLR_CFG (1 << 2)
56 #define UDC_DEVSTAT_REG UDC_REG(0x20) /* Device status */
57 # define UDC_B_HNP_ENABLE (1 << 9)
58 # define UDC_A_HNP_SUPPORT (1 << 8)
59 # define UDC_A_ALT_HNP_SUPPORT (1 << 7)
60 # define UDC_R_WK_OK (1 << 6)
61 # define UDC_USB_RESET (1 << 5)
62 # define UDC_SUS (1 << 4)
63 # define UDC_CFG (1 << 3)
64 # define UDC_ADD (1 << 2)
65 # define UDC_DEF (1 << 1)
66 # define UDC_ATT (1 << 0)
67 #define UDC_SOF_REG UDC_REG(0x24) /* Start of frame */
68 # define UDC_FT_LOCK (1 << 12)
69 # define UDC_TS_OK (1 << 11)
70 # define UDC_TS 0x03ff
71 #define UDC_IRQ_EN_REG UDC_REG(0x28) /* Interrupt enable */
72 # define UDC_SOF_IE (1 << 7)
73 # define UDC_EPN_RX_IE (1 << 5)
74 # define UDC_EPN_TX_IE (1 << 4)
75 # define UDC_DS_CHG_IE (1 << 3)
76 # define UDC_EP0_IE (1 << 0)
77 #define UDC_DMA_IRQ_EN_REG UDC_REG(0x2C) /* DMA irq enable */
78 /* rx/tx dma channels numbered 1-3 not 0-2 */
79 # define UDC_TX_DONE_IE(n) (1 << (4 * (n) - 2))
80 # define UDC_RX_CNT_IE(n) (1 << (4 * (n) - 3))
81 # define UDC_RX_EOT_IE(n) (1 << (4 * (n) - 4))
82 #define UDC_IRQ_SRC_REG UDC_REG(0x30) /* Interrupt source */
83 # define UDC_TXN_DONE (1 << 10)
84 # define UDC_RXN_CNT (1 << 9)
85 # define UDC_RXN_EOT (1 << 8)
86 # define UDC_SOF (1 << 7)
87 # define UDC_EPN_RX (1 << 5)
88 # define UDC_EPN_TX (1 << 4)
89 # define UDC_DS_CHG (1 << 3)
90 # define UDC_SETUP (1 << 2)
91 # define UDC_EP0_RX (1 << 1)
92 # define UDC_EP0_TX (1 << 0)
93 # define UDC_IRQ_SRC_MASK 0x7bf
94 #define UDC_EPN_STAT_REG UDC_REG(0x34) /* EP irq status */
95 #define UDC_DMAN_STAT_REG UDC_REG(0x38) /* DMA irq status */
96 # define UDC_DMA_RX_SB (1 << 12)
97 # define UDC_DMA_RX_SRC(x) (((x)>>8) & 0xf)
98 # define UDC_DMA_TX_SRC(x) (((x)>>0) & 0xf)
101 /* DMA configuration registers: up to three channels in each direction. */
102 #define UDC_RXDMA_CFG_REG UDC_REG(0x40) /* 3 eps for RX DMA */
103 # define UDC_DMA_REQ (1 << 12)
104 #define UDC_TXDMA_CFG_REG UDC_REG(0x44) /* 3 eps for TX DMA */
105 #define UDC_DATA_DMA_REG UDC_REG(0x48) /* rx/tx fifo addr */
107 /* rx/tx dma control, numbering channels 1-3 not 0-2 */
108 #define UDC_TXDMA_REG(chan) UDC_REG(0x50 - 4 + 4 * (chan))
109 # define UDC_TXN_EOT (1 << 15) /* bytes vs packets */
110 # define UDC_TXN_START (1 << 14) /* start transfer */
111 # define UDC_TXN_TSC 0x03ff /* units in xfer */
112 #define UDC_RXDMA_REG(chan) UDC_REG(0x60 - 4 + 4 * (chan))
113 # define UDC_RXN_STOP (1 << 15) /* enable EOT irq */
114 # define UDC_RXN_TC 0x00ff /* packets in xfer */
118 * Endpoint configuration registers (used before CFG_LOCK is set)
119 * UDC_EP_TX_REG(0) is unused
121 #define UDC_EP_RX_REG(endpoint) UDC_REG(0x80 + (endpoint)*4)
122 # define UDC_EPN_RX_VALID (1 << 15)
123 # define UDC_EPN_RX_DB (1 << 14)
124 /* buffer size in bits 13, 12 */
125 # define UDC_EPN_RX_ISO (1 << 11)
126 /* buffer pointer in low 11 bits */
127 #define UDC_EP_TX_REG(endpoint) UDC_REG(0xc0 + (endpoint)*4)
128 /* same bitfields as in RX_REG */
130 /*-------------------------------------------------------------------------*/
133 struct usb_request req;
134 struct list_head queue;
141 struct list_head queue;
143 struct list_head iso;
144 const struct usb_endpoint_descriptor *desc;
149 unsigned double_buf:1;
157 struct omap_udc *udc;
158 struct timer_list timer;
162 struct usb_gadget gadget;
163 struct usb_gadget_driver *driver;
165 struct omap_ep ep[32];
168 struct otg_transceiver *transceiver;
169 struct list_head iso;
170 unsigned softconnect:1;
171 unsigned vbus_active:1;
172 unsigned ep0_pending:1;
174 unsigned ep0_set_config:1;
175 unsigned ep0_reset_config:1;
176 unsigned ep0_setup:1;
177 struct completion *done;
180 unsigned clk_requested:1;
183 /*-------------------------------------------------------------------------*/
188 # define VDBG(stuff...) do{}while(0)
191 #define ERR(stuff...) pr_err("udc: " stuff)
192 #define WARN(stuff...) pr_warning("udc: " stuff)
193 #define INFO(stuff...) pr_info("udc: " stuff)
194 #define DBG(stuff...) pr_debug("udc: " stuff)
196 /*-------------------------------------------------------------------------*/
198 #define MOD_CONF_CTRL_0_REG __REG32(MOD_CONF_CTRL_0)
199 #define VBUS_W2FC_1510 (1 << 17) /* 0 gpio0, 1 dvdd2 pin */
201 #define FUNC_MUX_CTRL_0_REG __REG32(FUNC_MUX_CTRL_0)
202 #define VBUS_CTRL_1510 (1 << 19) /* 1 connected (software) */
203 #define VBUS_MODE_1510 (1 << 18) /* 0 hardware, 1 software */
205 #define HMC_1510 ((MOD_CONF_CTRL_0_REG >> 1) & 0x3f)
206 #define HMC_1610 (OTG_SYSCON_2_REG & 0x3f)
207 #define HMC (cpu_is_omap15xx() ? HMC_1510 : HMC_1610)