diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/usb/gadget/omap_udc.h |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'drivers/usb/gadget/omap_udc.h')
-rw-r--r-- | drivers/usb/gadget/omap_udc.h | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/drivers/usb/gadget/omap_udc.h b/drivers/usb/gadget/omap_udc.h new file mode 100644 index 000000000000..c9e68541622c --- /dev/null +++ b/drivers/usb/gadget/omap_udc.h | |||
@@ -0,0 +1,208 @@ | |||
1 | /* | ||
2 | * omap_udc.h -- for omap 3.2 udc, with OTG support | ||
3 | * | ||
4 | * 2004 (C) Texas Instruments, Inc. | ||
5 | * 2004 (C) David Brownell | ||
6 | */ | ||
7 | |||
8 | /* | ||
9 | * USB device/endpoint management registers | ||
10 | */ | ||
11 | #define UDC_REG(offset) __REG16(UDC_BASE + (offset)) | ||
12 | |||
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_SET_FIFO_EN (1 << 2) | ||
24 | # define UDC_CLR_EP (1 << 1) | ||
25 | # define UDC_RESET_EP (1 << 0) | ||
26 | #define UDC_STAT_FLG_REG UDC_REG(0x10) /* Endpoint status */ | ||
27 | # define UDC_NO_RXPACKET (1 << 15) | ||
28 | # define UDC_MISS_IN (1 << 14) | ||
29 | # define UDC_DATA_FLUSH (1 << 13) | ||
30 | # define UDC_ISO_ERR (1 << 12) | ||
31 | # define UDC_ISO_FIFO_EMPTY (1 << 9) | ||
32 | # define UDC_ISO_FIFO_FULL (1 << 8) | ||
33 | # define UDC_EP_HALTED (1 << 6) | ||
34 | # define UDC_STALL (1 << 5) | ||
35 | # define UDC_NAK (1 << 4) | ||
36 | # define UDC_ACK (1 << 3) | ||
37 | # define UDC_FIFO_EN (1 << 2) | ||
38 | # define UDC_NON_ISO_FIFO_EMPTY (1 << 1) | ||
39 | # define UDC_NON_ISO_FIFO_FULL (1 << 0) | ||
40 | #define UDC_RXFSTAT_REG UDC_REG(0x14) /* OUT bytecount */ | ||
41 | #define UDC_SYSCON1_REG UDC_REG(0x18) /* System config 1 */ | ||
42 | # define UDC_CFG_LOCK (1 << 8) | ||
43 | # define UDC_DATA_ENDIAN (1 << 7) | ||
44 | # define UDC_DMA_ENDIAN (1 << 6) | ||
45 | # define UDC_NAK_EN (1 << 4) | ||
46 | # define UDC_AUTODECODE_DIS (1 << 3) | ||
47 | # define UDC_SELF_PWR (1 << 2) | ||
48 | # define UDC_SOFF_DIS (1 << 1) | ||
49 | # define UDC_PULLUP_EN (1 << 0) | ||
50 | #define UDC_SYSCON2_REG UDC_REG(0x1C) /* System config 2 */ | ||
51 | # define UDC_RMT_WKP (1 << 6) | ||
52 | # define UDC_STALL_CMD (1 << 5) | ||
53 | # define UDC_DEV_CFG (1 << 3) | ||
54 | # define UDC_CLR_CFG (1 << 2) | ||
55 | #define UDC_DEVSTAT_REG UDC_REG(0x20) /* Device status */ | ||
56 | # define UDC_B_HNP_ENABLE (1 << 9) | ||
57 | # define UDC_A_HNP_SUPPORT (1 << 8) | ||
58 | # define UDC_A_ALT_HNP_SUPPORT (1 << 7) | ||
59 | # define UDC_R_WK_OK (1 << 6) | ||
60 | # define UDC_USB_RESET (1 << 5) | ||
61 | # define UDC_SUS (1 << 4) | ||
62 | # define UDC_CFG (1 << 3) | ||
63 | # define UDC_ADD (1 << 2) | ||
64 | # define UDC_DEF (1 << 1) | ||
65 | # define UDC_ATT (1 << 0) | ||
66 | #define UDC_SOF_REG UDC_REG(0x24) /* Start of frame */ | ||
67 | # define UDC_FT_LOCK (1 << 12) | ||
68 | # define UDC_TS_OK (1 << 11) | ||
69 | # define UDC_TS 0x03ff | ||
70 | #define UDC_IRQ_EN_REG UDC_REG(0x28) /* Interrupt enable */ | ||
71 | # define UDC_SOF_IE (1 << 7) | ||
72 | # define UDC_EPN_RX_IE (1 << 5) | ||
73 | # define UDC_EPN_TX_IE (1 << 4) | ||
74 | # define UDC_DS_CHG_IE (1 << 3) | ||
75 | # define UDC_EP0_IE (1 << 0) | ||
76 | #define UDC_DMA_IRQ_EN_REG UDC_REG(0x2C) /* DMA irq enable */ | ||
77 | /* rx/tx dma channels numbered 1-3 not 0-2 */ | ||
78 | # define UDC_TX_DONE_IE(n) (1 << (4 * (n) - 2)) | ||
79 | # define UDC_RX_CNT_IE(n) (1 << (4 * (n) - 3)) | ||
80 | # define UDC_RX_EOT_IE(n) (1 << (4 * (n) - 4)) | ||
81 | #define UDC_IRQ_SRC_REG UDC_REG(0x30) /* Interrupt source */ | ||
82 | # define UDC_TXN_DONE (1 << 10) | ||
83 | # define UDC_RXN_CNT (1 << 9) | ||
84 | # define UDC_RXN_EOT (1 << 8) | ||
85 | # define UDC_SOF (1 << 7) | ||
86 | # define UDC_EPN_RX (1 << 5) | ||
87 | # define UDC_EPN_TX (1 << 4) | ||
88 | # define UDC_DS_CHG (1 << 3) | ||
89 | # define UDC_SETUP (1 << 2) | ||
90 | # define UDC_EP0_RX (1 << 1) | ||
91 | # define UDC_EP0_TX (1 << 0) | ||
92 | # define UDC_IRQ_SRC_MASK 0x7bf | ||
93 | #define UDC_EPN_STAT_REG UDC_REG(0x34) /* EP irq status */ | ||
94 | #define UDC_DMAN_STAT_REG UDC_REG(0x38) /* DMA irq status */ | ||
95 | # define UDC_DMA_RX_SB (1 << 12) | ||
96 | # define UDC_DMA_RX_SRC(x) (((x)>>8) & 0xf) | ||
97 | # define UDC_DMA_TX_SRC(x) (((x)>>0) & 0xf) | ||
98 | |||
99 | |||
100 | /* DMA configuration registers: up to three channels in each direction. */ | ||
101 | #define UDC_RXDMA_CFG_REG UDC_REG(0x40) /* 3 eps for RX DMA */ | ||
102 | #define UDC_TXDMA_CFG_REG UDC_REG(0x44) /* 3 eps for TX DMA */ | ||
103 | #define UDC_DATA_DMA_REG UDC_REG(0x48) /* rx/tx fifo addr */ | ||
104 | |||
105 | /* rx/tx dma control, numbering channels 1-3 not 0-2 */ | ||
106 | #define UDC_TXDMA_REG(chan) UDC_REG(0x50 - 4 + 4 * (chan)) | ||
107 | # define UDC_TXN_EOT (1 << 15) /* bytes vs packets */ | ||
108 | # define UDC_TXN_START (1 << 14) /* start transfer */ | ||
109 | # define UDC_TXN_TSC 0x03ff /* units in xfer */ | ||
110 | #define UDC_RXDMA_REG(chan) UDC_REG(0x60 - 4 + 4 * (chan)) | ||
111 | # define UDC_RXN_STOP (1 << 15) /* enable EOT irq */ | ||
112 | # define UDC_RXN_TC 0x00ff /* packets in xfer */ | ||
113 | |||
114 | |||
115 | /* | ||
116 | * Endpoint configuration registers (used before CFG_LOCK is set) | ||
117 | * UDC_EP_TX_REG(0) is unused | ||
118 | */ | ||
119 | #define UDC_EP_RX_REG(endpoint) UDC_REG(0x80 + (endpoint)*4) | ||
120 | # define UDC_EPN_RX_VALID (1 << 15) | ||
121 | # define UDC_EPN_RX_DB (1 << 14) | ||
122 | /* buffer size in bits 13, 12 */ | ||
123 | # define UDC_EPN_RX_ISO (1 << 11) | ||
124 | /* buffer pointer in low 11 bits */ | ||
125 | #define UDC_EP_TX_REG(endpoint) UDC_REG(0xc0 + (endpoint)*4) | ||
126 | /* same bitfields as in RX_REG */ | ||
127 | |||
128 | /*-------------------------------------------------------------------------*/ | ||
129 | |||
130 | struct omap_req { | ||
131 | struct usb_request req; | ||
132 | struct list_head queue; | ||
133 | unsigned dma_bytes; | ||
134 | unsigned mapped:1; | ||
135 | }; | ||
136 | |||
137 | struct omap_ep { | ||
138 | struct usb_ep ep; | ||
139 | struct list_head queue; | ||
140 | unsigned long irqs; | ||
141 | struct list_head iso; | ||
142 | const struct usb_endpoint_descriptor *desc; | ||
143 | char name[14]; | ||
144 | u16 maxpacket; | ||
145 | u8 bEndpointAddress; | ||
146 | u8 bmAttributes; | ||
147 | unsigned double_buf:1; | ||
148 | unsigned stopped:1; | ||
149 | unsigned fnf:1; | ||
150 | unsigned has_dma:1; | ||
151 | u8 ackwait; | ||
152 | u8 dma_channel; | ||
153 | u16 dma_counter; | ||
154 | int lch; | ||
155 | struct omap_udc *udc; | ||
156 | struct timer_list timer; | ||
157 | }; | ||
158 | |||
159 | struct omap_udc { | ||
160 | struct usb_gadget gadget; | ||
161 | struct usb_gadget_driver *driver; | ||
162 | spinlock_t lock; | ||
163 | struct omap_ep ep[32]; | ||
164 | u16 devstat; | ||
165 | struct otg_transceiver *transceiver; | ||
166 | struct list_head iso; | ||
167 | unsigned softconnect:1; | ||
168 | unsigned vbus_active:1; | ||
169 | unsigned ep0_pending:1; | ||
170 | unsigned ep0_in:1; | ||
171 | unsigned ep0_set_config:1; | ||
172 | unsigned ep0_reset_config:1; | ||
173 | unsigned ep0_setup:1; | ||
174 | |||
175 | struct completion *done; | ||
176 | }; | ||
177 | |||
178 | /*-------------------------------------------------------------------------*/ | ||
179 | |||
180 | #ifdef DEBUG | ||
181 | #define DBG(stuff...) printk(KERN_DEBUG "udc: " stuff) | ||
182 | #else | ||
183 | #define DBG(stuff...) do{}while(0) | ||
184 | #endif | ||
185 | |||
186 | #ifdef VERBOSE | ||
187 | # define VDBG DBG | ||
188 | #else | ||
189 | # define VDBG(stuff...) do{}while(0) | ||
190 | #endif | ||
191 | |||
192 | #define ERR(stuff...) printk(KERN_ERR "udc: " stuff) | ||
193 | #define WARN(stuff...) printk(KERN_WARNING "udc: " stuff) | ||
194 | #define INFO(stuff...) printk(KERN_INFO "udc: " stuff) | ||
195 | |||
196 | /*-------------------------------------------------------------------------*/ | ||
197 | |||
198 | #define MOD_CONF_CTRL_0_REG __REG32(MOD_CONF_CTRL_0) | ||
199 | #define VBUS_W2FC_1510 (1 << 17) /* 0 gpio0, 1 dvdd2 pin */ | ||
200 | |||
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 */ | ||
204 | |||
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) | ||
208 | |||