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1 #ifndef _ISP1760_HCD_H_
2 #define _ISP1760_HCD_H_
3 
4 /* exports for if */
5 struct usb_hcd *isp1760_register(u64 res_start, u64 res_len, int irq,
6 		u64 irqflags, struct device *dev, const char *busname,
7 		unsigned int devflags);
8 int init_kmem_once(void);
9 void deinit_kmem_cache(void);
10 
11 /* EHCI capability registers */
12 #define HC_CAPLENGTH		0x00
13 #define HC_HCSPARAMS		0x04
14 #define HC_HCCPARAMS		0x08
15 
16 /* EHCI operational registers */
17 #define HC_USBCMD		0x20
18 #define HC_USBSTS		0x24
19 #define HC_FRINDEX		0x2c
20 #define HC_CONFIGFLAG		0x60
21 #define HC_PORTSC1		0x64
22 #define HC_ISO_PTD_DONEMAP_REG	0x130
23 #define HC_ISO_PTD_SKIPMAP_REG	0x134
24 #define HC_ISO_PTD_LASTPTD_REG	0x138
25 #define HC_INT_PTD_DONEMAP_REG	0x140
26 #define HC_INT_PTD_SKIPMAP_REG	0x144
27 #define HC_INT_PTD_LASTPTD_REG	0x148
28 #define HC_ATL_PTD_DONEMAP_REG	0x150
29 #define HC_ATL_PTD_SKIPMAP_REG	0x154
30 #define HC_ATL_PTD_LASTPTD_REG	0x158
31 
32 /* Configuration Register */
33 #define HC_HW_MODE_CTRL		0x300
34 #define ALL_ATX_RESET		(1 << 31)
35 #define HW_ANA_DIGI_OC		(1 << 15)
36 #define HW_DATA_BUS_32BIT	(1 << 8)
37 #define HW_DACK_POL_HIGH	(1 << 6)
38 #define HW_DREQ_POL_HIGH	(1 << 5)
39 #define HW_INTR_HIGH_ACT	(1 << 2)
40 #define HW_INTR_EDGE_TRIG	(1 << 1)
41 #define HW_GLOBAL_INTR_EN	(1 << 0)
42 
43 #define HC_CHIP_ID_REG		0x304
44 #define HC_SCRATCH_REG		0x308
45 
46 #define HC_RESET_REG		0x30c
47 #define SW_RESET_RESET_HC	(1 << 1)
48 #define SW_RESET_RESET_ALL	(1 << 0)
49 
50 #define HC_BUFFER_STATUS_REG	0x334
51 #define ATL_BUFFER		0x1
52 #define INT_BUFFER		0x2
53 #define ISO_BUFFER		0x4
54 #define BUFFER_MAP		0x7
55 
56 #define HC_MEMORY_REG		0x33c
57 #define ISP_BANK(x)		((x) << 16)
58 
59 #define HC_PORT1_CTRL		0x374
60 #define PORT1_POWER		(3 << 3)
61 #define PORT1_INIT1		(1 << 7)
62 #define PORT1_INIT2		(1 << 23)
63 #define HW_OTG_CTRL_SET		0x374
64 #define HW_OTG_CTRL_CLR		0x376
65 
66 /* Interrupt Register */
67 #define HC_INTERRUPT_REG	0x310
68 
69 #define HC_INTERRUPT_ENABLE	0x314
70 #define INTERRUPT_ENABLE_MASK	(HC_INTL_INT | HC_ATL_INT | HC_EOT_INT)
71 
72 #define HC_ISO_INT		(1 << 9)
73 #define HC_ATL_INT		(1 << 8)
74 #define HC_INTL_INT		(1 << 7)
75 #define HC_EOT_INT		(1 << 3)
76 #define HC_SOT_INT		(1 << 1)
77 
78 #define HC_ISO_IRQ_MASK_OR_REG	0x318
79 #define HC_INT_IRQ_MASK_OR_REG	0x31C
80 #define HC_ATL_IRQ_MASK_OR_REG	0x320
81 #define HC_ISO_IRQ_MASK_AND_REG	0x324
82 #define HC_INT_IRQ_MASK_AND_REG	0x328
83 #define HC_ATL_IRQ_MASK_AND_REG	0x32C
84 
85 /* Register sets */
86 #define HC_BEGIN_OF_ATL		0x0c00
87 #define HC_BEGIN_OF_INT		0x0800
88 #define HC_BEGIN_OF_ISO		0x0400
89 #define HC_BEGIN_OF_PAYLOAD	0x1000
90 
91 /* urb state*/
92 #define DELETE_URB		(0x0008)
93 #define NO_TRANSFER_ACTIVE	(0xffffffff)
94 
95 #define ATL_REGS_OFFSET		(0xc00)
96 #define INT_REGS_OFFSET		(0x800)
97 
98 /* Philips Transfer Descriptor (PTD) */
99 struct ptd {
100 	__le32 dw0;
101 	__le32 dw1;
102 	__le32 dw2;
103 	__le32 dw3;
104 	__le32 dw4;
105 	__le32 dw5;
106 	__le32 dw6;
107 	__le32 dw7;
108 };
109 
110 struct inter_packet_info {
111 	void *data_buffer;
112 	u32 payload;
113 #define PTD_FIRE_NEXT		(1 << 0)
114 #define PTD_URB_FINISHED	(1 << 1)
115 	struct urb *urb;
116 	struct isp1760_qh *qh;
117 	struct isp1760_qtd *qtd;
118 };
119 
120 
121 typedef void (packet_enqueue)(struct usb_hcd *hcd, struct isp1760_qh *qh,
122 		struct isp1760_qtd *qtd);
123 
124 #define isp1760_dbg(priv, fmt, args...) \
125 	dev_dbg(priv_to_hcd(priv)->self.controller, fmt, ##args)
126 
127 #define isp1760_info(priv, fmt, args...) \
128 	dev_info(priv_to_hcd(priv)->self.controller, fmt, ##args)
129 
130 #define isp1760_err(priv, fmt, args...) \
131 	dev_err(priv_to_hcd(priv)->self.controller, fmt, ##args)
132 
133 /*
134  * Device flags that can vary from board to board.  All of these
135  * indicate the most "atypical" case, so that a devflags of 0 is
136  * a sane default configuration.
137  */
138 #define ISP1760_FLAG_BUS_WIDTH_16	0x00000002 /* 16-bit data bus width */
139 #define ISP1760_FLAG_OTG_EN		0x00000004 /* Port 1 supports OTG */
140 #define ISP1760_FLAG_ANALOG_OC		0x00000008 /* Analog overcurrent */
141 #define ISP1760_FLAG_DACK_POL_HIGH	0x00000010 /* DACK active high */
142 #define ISP1760_FLAG_DREQ_POL_HIGH	0x00000020 /* DREQ active high */
143 #define ISP1760_FLAG_ISP1761		0x00000040 /* Chip is ISP1761 */
144 
145 /* chip memory management */
146 struct memory_chunk {
147 	unsigned int start;
148 	unsigned int size;
149 	unsigned int free;
150 };
151 
152 /*
153  * 60kb divided in:
154  * - 32 blocks @ 256  bytes
155  * - 20 blocks @ 1024 bytes
156  * -  4 blocks @ 8192 bytes
157  */
158 
159 #define BLOCK_1_NUM 32
160 #define BLOCK_2_NUM 20
161 #define BLOCK_3_NUM 4
162 
163 #define BLOCK_1_SIZE 256
164 #define BLOCK_2_SIZE 1024
165 #define BLOCK_3_SIZE 8192
166 #define BLOCKS (BLOCK_1_NUM + BLOCK_2_NUM + BLOCK_3_NUM)
167 #define PAYLOAD_SIZE 0xf000
168 
169 /* I saw if some reloads if the pointer was negative */
170 #define ISP1760_NULL_POINTER	(0x400)
171 
172 /* ATL */
173 /* DW0 */
174 #define PTD_VALID			1
175 #define PTD_LENGTH(x)			(((u32) x) << 3)
176 #define PTD_MAXPACKET(x)		(((u32) x) << 18)
177 #define PTD_MULTI(x)			(((u32) x) << 29)
178 #define PTD_ENDPOINT(x)			(((u32)	x) << 31)
179 /* DW1 */
180 #define PTD_DEVICE_ADDR(x)		(((u32) x) << 3)
181 #define PTD_PID_TOKEN(x)		(((u32) x) << 10)
182 #define PTD_TRANS_BULK			((u32) 2 << 12)
183 #define PTD_TRANS_INT			((u32) 3 << 12)
184 #define PTD_TRANS_SPLIT			((u32) 1 << 14)
185 #define PTD_SE_USB_LOSPEED		((u32) 2 << 16)
186 #define PTD_PORT_NUM(x)			(((u32) x) << 18)
187 #define PTD_HUB_NUM(x)			(((u32) x) << 25)
188 #define PTD_PING(x)			(((u32) x) << 26)
189 /* DW2 */
190 #define PTD_RL_CNT(x)			(((u32) x) << 25)
191 #define PTD_DATA_START_ADDR(x)		(((u32) x) << 8)
192 #define BASE_ADDR			0x1000
193 /* DW3 */
194 #define PTD_CERR(x)			(((u32) x) << 23)
195 #define PTD_NAC_CNT(x)			(((u32) x) << 19)
196 #define PTD_ACTIVE			((u32) 1 << 31)
197 #define PTD_DATA_TOGGLE(x)		(((u32) x) << 25)
198 
199 #define DW3_HALT_BIT			(1 << 30)
200 #define DW3_ERROR_BIT			(1 << 28)
201 #define DW3_QTD_ACTIVE			(1 << 31)
202 
203 #define INT_UNDERRUN			(1 << 2)
204 #define INT_BABBLE			(1 << 1)
205 #define INT_EXACT			(1 << 0)
206 
207 #define DW1_GET_PID(x)			(((x) >> 10) & 0x3)
208 #define PTD_XFERRED_LENGTH(x)		((x) & 0x7fff)
209 #define PTD_XFERRED_LENGTH_LO(x)	((x) & 0x7ff)
210 
211 #define SETUP_PID	(2)
212 #define IN_PID		(1)
213 #define OUT_PID		(0)
214 #define GET_QTD_TOKEN_TYPE(x)	((x) & 0x3)
215 
216 #define DATA_TOGGLE		(1 << 31)
217 #define GET_DATA_TOGGLE(x)	((x) >> 31)
218 
219 /* Errata 1 */
220 #define RL_COUNTER	(0)
221 #define NAK_COUNTER	(0)
222 #define ERR_COUNTER	(2)
223 
224 #define HC_ATL_PL_SIZE	(8192)
225 
226 #endif
227