1 /*        $NetBSD: ohcireg.h,v 1.29 2024/09/22 14:05:47 jmcneill Exp $          */
2 /*        $FreeBSD: src/sys/dev/usb/ohcireg.h,v 1.8 1999/11/17 22:33:40 n_hibma Exp $     */
3 
4 /*
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Lennart Augustsson (lennart@augustsson.net) at
10  * Carlstedt Research & Technology.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef _DEV_USB_OHCIREG_H_
35 #define _DEV_USB_OHCIREG_H_
36 
37 /*** PCI config registers ***/
38 
39 #define PCI_CBMEM             0x10      /* configuration base memory */
40 
41 #define PCI_INTERFACE_OHCI    0x10
42 
43 /*** OHCI registers */
44 
45 #define OHCI_REVISION                   0x00      /* OHCI revision # */
46 #define  OHCI_REV_LO_MASK     __BITS(3,0)
47 #define  OHCI_REV_HI_MASK     __BITS(7,4)
48 #define  OHCI_REV_LO(rev)     __SHIFTOUT((rev), OHCI_REV_LO_MASK)
49 #define  OHCI_REV_HI(rev)     __SHIFTOUT((rev), OHCI_REV_HI_MASK)
50 #define  OHCI_REV_LEGACY_MASK __BIT(8)
51 #define  OHCI_REV_LEGACY(rev) __SHIFTOUT((rev), OHCI_REV_LEGACY_MASK)
52 
53 #define OHCI_CONTROL                    0x04
54 #define  OHCI_CBSR_MASK                 __BITS(1,0)         /* Control/Bulk Service Ratio */
55 #define  OHCI_CBSR_SET(x)     __SHIFTIN((x), OHCI_CBSR_MASK)
56 #define  OHCI_RATIO_1_1                 0
57 #define  OHCI_RATIO_1_2                 1
58 #define  OHCI_RATIO_1_3                 2
59 #define  OHCI_RATIO_1_4                 3
60 #define  OHCI_PLE             __BIT(2)  /* Periodic List Enable */
61 #define  OHCI_IE              __BIT(3)  /* Isochronous Enable */
62 #define  OHCI_CLE             __BIT(4)  /* Control List Enable */
63 #define  OHCI_BLE             __BIT(5)  /* Bulk List Enable */
64 #define  OHCI_HCFS_MASK                 __BITS(7,6)         /* HostControllerFunctionalState */
65 #define  OHCI_SET_HCFS(x)     __SHIFTIN((x), OHCI_HCFS_MASK)
66 #define  OHCI_GET_HCFS(x)     __SHIFTOUT((x), OHCI_HCFS_MASK)
67 #define  OHCI_HCFS_RESET      0
68 #define  OHCI_HCFS_RESUME     1
69 #define  OHCI_HCFS_OPERATIONAL          2
70 #define  OHCI_HCFS_SUSPEND    3
71 #define  OHCI_IR              __BIT(8)       /* Interrupt Routing */
72 #define  OHCI_RWC             __BIT(9)       /* Remote Wakeup Connected */
73 #define  OHCI_RWE             __BIT(10)      /* Remote Wakeup Enabled */
74 #define OHCI_COMMAND_STATUS   0x08
75 #define  OHCI_HCR             __BIT(0)       /* Host Controller Reset */
76 #define  OHCI_CLF             __BIT(1)       /* Control List Filled */
77 #define  OHCI_BLF             __BIT(2)       /* Bulk List Filled */
78 #define  OHCI_OCR             __BIT(3)       /* Ownership Change Request */
79 #define  OHCI_SOC_MASK                  __BITS(17,16)  /* Scheduling Overrun Count */
80 #define OHCI_INTERRUPT_STATUS 0x0c
81 #define  OHCI_SO              __BIT(0)  /* Scheduling Overrun */
82 #define  OHCI_WDH             __BIT(1)  /* Writeback Done Head */
83 #define  OHCI_SF              __BIT(2)  /* Start of Frame */
84 #define  OHCI_RD              __BIT(3)  /* Resume Detected */
85 #define  OHCI_UE              __BIT(4)  /* Unrecoverable Error */
86 #define  OHCI_FNO             __BIT(5)  /* Frame Number Overflow */
87 #define  OHCI_RHSC            __BIT(6)  /* Root Hub Status Change */
88 #define  OHCI_OC              __BIT(30) /* Ownership Change */
89 #define  OHCI_MIE             __BIT(31) /* Master Interrupt Enable */
90 #define OHCI_INTERRUPT_ENABLE 0x10
91 #define OHCI_INTERRUPT_DISABLE          0x14
92 #define OHCI_HCCA             0x18
93 #define OHCI_PERIOD_CURRENT_ED          0x1c
94 #define OHCI_PERIOD_CURRENT_ED          0x1c
95 #define OHCI_CONTROL_HEAD_ED  0x20
96 #define OHCI_CONTROL_CURRENT_ED         0x24
97 #define OHCI_BULK_HEAD_ED     0x28
98 #define OHCI_BULK_CURRENT_ED  0x2c
99 #define OHCI_DONE_HEAD                  0x30
100 #define OHCI_FM_INTERVAL      0x34
101 #define  OHCI_FM_IVAL_MASK    __BITS(13,0)
102 #define  OHCI_FM_GET_IVAL(x)  __SHIFTOUT((x), OHCI_FM_IVAL_MASK)
103 #define  OHCI_FM_FSMPS_MASK   __BITS(30,16)
104 #define  OHCI_FM_GET_FSMPS(x) __SHIFTOUT((x), OHCI_FM_FSMPS_MASK)
105 #define  OHCI_FM_SET_FSMPS(x) __SHIFTIN((x), OHCI_FM_FSMPS_MASK)
106 #define  OHCI_FM_FIT                    __BIT(31)
107 #define OHCI_FM_REMAINING     0x38
108 #define OHCI_FM_NUMBER                  0x3c
109 #define OHCI_PERIODIC_START   0x40
110 #define OHCI_LS_THRESHOLD     0x44
111 #define OHCI_RH_DESCRIPTOR_A  0x48
112 #define  OHCI_RHD_NDP_MASK    __BITS(7,0)
113 #define  OHCI_RHD_GET_NDP(x)  __SHIFTOUT((x), OHCI_RHD_NDP_MASK)
114 #define  OHCI_RHD_PSM                   __BIT(8)  /* Power Switching Mode */
115 #define  OHCI_RHD_NPS                   __BIT(9)  /* No Power Switching */
116 #define  OHCI_RHD_DT                    __BIT(10) /* Device Type */
117 #define  OHCI_RHD_OCPM                  __BIT(11) /* Overcurrent Protection Mode */
118 #define  OHCI_RHD_NOCP                  __BIT(12) /* No Overcurrent Protection */
119 #define  OHCI_RHD_POTPGT_MASK __BITS(31,24)
120 #define  OHCI_RHD_GET_POTPGT(x)         __SHIFTOUT((x), OHCI_RHD_POTPGT_MASK)
121 #define  OHCI_RHD_SET_POTPGT(x)         __SHIFTIN((x), OHCI_RHD_POTPGT_MASK)
122 #define OHCI_RH_DESCRIPTOR_B  0x4c
123 #define OHCI_RH_STATUS                  0x50
124 #define  OHCI_RHS_LPS                   __BIT(0)  /* Local Power Status */
125 #define  OHCI_RHS_OCI                   __BIT(1)  /* OverCurrent Indicator */
126 #define  OHCI_RHS_DRWE                  __BIT(15) /* Device Remote Wakeup Enable */
127 #define  OHCI_RHS_LPSC                  __BIT(16) /* Local Power Status Change */
128 #define  OHCI_RHS_CCIC                  __BIT(17) /* OverCurrent Indicator Change */
129 #define  OHCI_RHS_CRWE                  __BIT(31) /* Clear Remote Wakeup Enable */
130 #define OHCI_RH_PORT_STATUS(n)          (0x50 + (n)*4)      /* 1 based indexing */
131 
132 #define OHCI_LES (OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE)
133 #define OHCI_ALL_INTRS (OHCI_SO | OHCI_WDH | OHCI_SF | OHCI_RD | OHCI_UE | \
134                               OHCI_FNO | OHCI_RHSC | OHCI_OC)
135 #define OHCI_NORMAL_INTRS (OHCI_SO | OHCI_WDH | OHCI_RD | OHCI_UE | OHCI_RHSC)
136 
137 #define OHCI_FSMPS(i) (((i-210)*6/7) << 16)
138 #define OHCI_PERIODIC(i) ((i)*9/10)
139 
140 typedef uint32_t ohci_physaddr_t;
141 
142 #define OHCI_NO_INTRS 32
143 struct ohci_hcca {
144           volatile ohci_physaddr_t      hcca_interrupt_table[OHCI_NO_INTRS];
145           volatile uint32_t             hcca_frame_number;
146           volatile ohci_physaddr_t      hcca_done_head;
147 #define OHCI_DONE_INTRS 1
148 };
149 #define OHCI_HCCA_SIZE 256
150 #define OHCI_HCCA_ALIGN 256
151 
152 #define OHCI_PAGE_SIZE 0x1000
153 #define OHCI_PAGE(x) ((x) &~ 0xfff)
154 #define OHCI_PAGE_OFFSET(x) ((x) & 0xfff)
155 
156 typedef struct {
157           volatile uint32_t   ed_flags;
158 #define OHCI_ED_ADDR_MASK     __BITS(6,0)
159 #define OHCI_ED_GET_FA(x)     __SHIFTOUT((x), OHCI_ED_ADDR_MASK)
160 #define OHCI_ED_SET_FA(x)     __SHIFTIN((x), OHCI_ED_ADDR_MASK)
161 #define OHCI_ED_EN_MASK                 __BITS(10,7)
162 #define OHCI_ED_GET_EN(x)     __SHIFTOUT((x), OHCI_ED_EN_MASK)
163 #define OHCI_ED_SET_EN(x)     __SHIFTIN((x), OHCI_ED_EN_MASK)
164 #define OHCI_ED_DIR_MASK      __BITS(12,11)
165 #define OHCI_ED_GET_DIR(x)    __SHIFTOUT((x), OHCI_ED_DIR_MASK)
166 #define OHCI_ED_SET_DIR(x)    __SHIFTIN((x), OHCI_ED_DIR_MASK)
167 #define  OHCI_ED_DIR_TD                 0
168 #define  OHCI_ED_DIR_OUT      1
169 #define  OHCI_ED_DIR_IN                 2
170 #define OHCI_ED_SPEED                   __BIT(13)
171 #define OHCI_ED_SKIP                    __BIT(14)
172 #define OHCI_ED_FORMAT_MASK   __BIT(15)
173 #define OHCI_ED_GET_FORMAT(x) __SHIFTOUT((x), OHCI_ED_FORMAT_MASK)
174 #define OHCI_ED_SET_FORMAT(x) __SHIFTIN((x), OHCI_ED_FORMAT_MASK)
175 #define  OHCI_ED_FORMAT_GEN   0
176 #define  OHCI_ED_FORMAT_ISO   1
177 #define OHCI_ED_MAXP_MASK     __BITS(26,16)
178 #define OHCI_ED_GET_MAXP(x)   __SHIFTOUT((x), OHCI_ED_MAXP_MASK)
179 #define OHCI_ED_SET_MAXP(x)   __SHIFTIN((x), OHCI_ED_MAXP_MASK)
180           volatile ohci_physaddr_t      ed_tailp;
181           volatile ohci_physaddr_t      ed_headp;
182 #define OHCI_HALTED           __BIT(0)
183 #define OHCI_TOGGLECARRY      __BIT(1)
184 #define OHCI_HEADMASK                   __BITS(31,2)
185           volatile ohci_physaddr_t      ed_nexted;
186 } ohci_ed_t;
187 /* #define OHCI_ED_SIZE 16 */
188 #define OHCI_ED_ALIGN 16
189 #define OHCI_ED_ALLOC_ALIGN   MAX(OHCI_ED_ALIGN, CACHE_LINE_SIZE)
190 #define OHCI_ED_SIZE                    (roundup(sizeof(ohci_ed_t), OHCI_ED_ALLOC_ALIGN))
191 #define OHCI_ED_CHUNK (PAGE_SIZE / OHCI_ED_SIZE)
192 
193 
194 typedef struct {
195           volatile uint32_t   td_flags;
196 #define OHCI_TD_R             __BIT(18) /* Buffer Rounding  */
197 #define OHCI_TD_DP_MASK                 __BITS(20,19)       /* Direction / PID */
198 #define OHCI_TD_GET_DP(x)     __SHIFTOUT((x), OHCI_TD_DP_MASK)
199 #define OHCI_TD_SET_DP(x)     __SHIFTIN((x), OHCI_TD_DP_MASK)
200 #define  OHCI_TD_DP_SETUP     0
201 #define  OHCI_TD_DP_OUT                 1
202 #define  OHCI_TD_DP_IN                  2
203 #define OHCI_TD_DI_MASK                 __BITS(23,21)       /* Delay Interrupt */
204 #define OHCI_TD_GET_DI(x)     __SHIFTOUT((x), OHCI_TD_DI_MASK)
205 #define OHCI_TD_SET_DI(x)     __SHIFTIN((x), OHCI_TD_DI_MASK)
206 #define  OHCI_TD_NOINTR                 __SHIFTOUT_MASK(OHCI_TD_DI_MASK)
207 #define OHCI_TD_TOGGLE_MASK   __BITS(25,24)       /* Toggle */
208 #define OHCI_TD_GET_TOGGLE(x) __SHIFTOUT((x), OHCI_TD_TOGGLE_MASK)
209 #define OHCI_TD_SET_TOGGLE(x) __SHIFTIN((x), OHCI_TD_TOGGLE_MASK)
210 #define  OHCI_TD_TOGGLE_CARRY 0
211 #define  OHCI_TD_TOGGLE_0     2
212 #define  OHCI_TD_TOGGLE_1     3
213 #define OHCI_TD_EC_MASK                 __BITS(27,26)       /* Error Count */
214 #define OHCI_TD_GET_EC(x)     __SHIFTOUT((x), OHCI_TD_EC_MASK)
215 #define OHCI_TD_CC_MASK                 __BITS(31,28)       /* Condition Code */
216 #define OHCI_TD_GET_CC(x)     __SHIFTOUT((x), OHCI_TD_CC_MASK)
217 #define OHCI_TD_SET_CC(x)     __SHIFTIN((x), OHCI_TD_CC_MASK)
218 
219 #define  OHCI_TD_NOCC                   __SHIFTOUT_MASK(OHCI_TD_CC_MASK)
220 
221           volatile ohci_physaddr_t td_cbp;        /* Current Buffer Pointer */
222           volatile ohci_physaddr_t td_nexttd;     /* Next TD */
223           volatile ohci_physaddr_t td_be;                   /* Buffer End */
224 } ohci_td_t;
225 /* #define OHCI_TD_SIZE 16 */
226 #define OHCI_TD_ALIGN 16
227 #define OHCI_TD_ALLOC_ALIGN   MAX(OHCI_TD_ALIGN, CACHE_LINE_SIZE)
228 #define OHCI_TD_SIZE                    (roundup(sizeof(ohci_td_t), OHCI_TD_ALLOC_ALIGN))
229 #define OHCI_TD_CHUNK (PAGE_SIZE / OHCI_TD_SIZE)
230 
231 
232 #define OHCI_ITD_NOFFSET 8
233 typedef struct {
234           volatile uint32_t   itd_flags;
235 #define OHCI_ITD_SF_MASK      __BITS(15,0)
236 #define OHCI_ITD_GET_SF(x)    __SHIFTOUT((x), OHCI_ITD_SF_MASK)
237 #define OHCI_ITD_SET_SF(x)    __SHIFTIN((x), OHCI_ITD_SF_MASK)
238 #define OHCI_ITD_DI_MASK      __BITS(23,21)       /* Delay Interrupt */
239 #define OHCI_ITD_GET_DI(x)    __SHIFTOUT((x), OHCI_ITD_DI_MASK)
240 #define OHCI_ITD_SET_DI(x)    __SHIFTIN((x), OHCI_ITD_DI_MASK)
241 #define OHCI_ITD_FC_MASK      __BITS(26,24)       /* Frame Count */
242 #define OHCI_ITD_GET_FC(x)    (__SHIFTOUT((x), OHCI_ITD_FC_MASK) + 1)
243 #define OHCI_ITD_SET_FC(x)    __SHIFTIN(((x) - 1), OHCI_ITD_FC_MASK)
244 #define OHCI_ITD_CC_MASK      __BITS(31,28)       /* Condition Code */
245 #define OHCI_ITD_GET_CC(x)    __SHIFTOUT((x), OHCI_ITD_CC_MASK)
246 #define OHCI_ITD_SET_CC(x)    __SHIFTIN((x), OHCI_ITD_CC_MASK)
247 #define  OHCI_ITD_NOCC                  __SHIFTOUT_MASK(OHCI_ITD_CC_MASK)
248           volatile ohci_physaddr_t itd_bp0;       /* Buffer Page 0 */
249           volatile ohci_physaddr_t itd_nextitd;   /* Next ITD */
250           volatile ohci_physaddr_t itd_be;        /* Buffer End */
251           volatile uint16_t itd_offset[OHCI_ITD_NOFFSET];/* Buffer offsets */
252 #define itd_pswn itd_offset                       /* Packet Status Word*/
253 #define OHCI_ITD_PAGE_SELECT  __BIT(12)
254 #define OHCI_ITD_MK_OFFS(len) (0xe000 | ((len) & 0x1fff))
255 
256 #define OHCI_ITD_PSW_SIZE_MASK          __BITS(10,0)        /* Transfer length */
257 #define OHCI_ITD_PSW_SIZE(x)  __SHIFTOUT((x), OHCI_ITD_PSW_SIZE_MASK)
258 #define OHCI_ITD_PSW_CC_MASK  __BITS(15,12)       /* Condition Code */
259 #define OHCI_ITD_PSW_GET_CC(x)          __SHIFTOUT((x), OHCI_ITD_PSW_CC_MASK)
260 } ohci_itd_t;
261 /* #define OHCI_ITD_SIZE 32 */
262 #define OHCI_ITD_ALIGN 32
263 #define OHCI_ITD_ALLOC_ALIGN  MAX(OHCI_ITD_ALIGN, CACHE_LINE_SIZE)
264 #define OHCI_ITD_SIZE                   (roundup(sizeof(ohci_itd_t), OHCI_ITD_ALLOC_ALIGN))
265 #define OHCI_ITD_CHUNK                  (PAGE_SIZE / OHCI_ITD_SIZE)
266 
267 
268 #define OHCI_CC_NO_ERROR                0
269 #define OHCI_CC_CRC                     1
270 #define OHCI_CC_BIT_STUFFING            2
271 #define OHCI_CC_DATA_TOGGLE_MISMATCH    3
272 #define OHCI_CC_STALL                             4
273 #define OHCI_CC_DEVICE_NOT_RESPONDING   5
274 #define OHCI_CC_PID_CHECK_FAILURE       6
275 #define OHCI_CC_UNEXPECTED_PID                    7
276 #define OHCI_CC_DATA_OVERRUN            8
277 #define OHCI_CC_DATA_UNDERRUN           9
278 #define OHCI_CC_BUFFER_OVERRUN                    12
279 #define OHCI_CC_BUFFER_UNDERRUN                   13
280 #define OHCI_CC_NOT_ACCESSED            14
281 #define OHCI_CC_NOT_ACCESSED_MASK       14
282 
283 /* Some delay needed when changing certain registers. */
284 #define OHCI_ENABLE_POWER_DELAY         5
285 #define OHCI_READ_DESC_DELAY  5
286 
287 #endif /* _DEV_USB_OHCIREG_H_ */
288