FreeBSD/Linux Kernel Cross Reference
sys/isa/ppcreg.h
1 /*-
2 * Copyright (c) 2001 Alcove - Nicolas Souchu
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/5.0/sys/isa/ppcreg.h 78646 2001-06-23 06:52:54Z nsouch $
27 *
28 */
29 #ifndef __PPCREG_H
30 #define __PPCREG_H
31
32 /*
33 * Parallel Port Chipset type.
34 */
35 #define SMC_LIKE 0
36 #define SMC_37C665GT 1
37 #define SMC_37C666GT 2
38 #define NS_PC87332 3
39 #define NS_PC87306 4
40 #define INTEL_820191AA 5 /* XXX not implemented */
41 #define GENERIC 6
42 #define WINB_W83877F 7
43 #define WINB_W83877AF 8
44 #define WINB_UNKNOWN 9
45 #define NS_PC87334 10
46 #define SMC_37C935 11
47 #define NS_PC87303 12
48
49 /*
50 * Parallel Port Chipset Type. SMC versus GENERIC (others)
51 */
52 #define PPC_TYPE_SMCLIKE 0
53 #define PPC_TYPE_GENERIC 1
54
55 /*
56 * Generic structure to hold parallel port chipset info.
57 */
58 struct ppc_data {
59
60 int ppc_unit;
61 int ppc_model; /* chipset model if detected */
62 int ppc_type; /* generic or smclike chipset type */
63
64 int ppc_mode; /* chipset current mode */
65 int ppc_avm; /* chipset available modes */
66 int ppc_dtm; /* chipset detected modes */
67
68 #define PPC_IRQ_NONE 0x0
69 #define PPC_IRQ_nACK 0x1
70 #define PPC_IRQ_DMA 0x2
71 #define PPC_IRQ_FIFO 0x4
72 #define PPC_IRQ_nFAULT 0x8
73 int ppc_irqstat; /* remind irq settings */
74
75 #define PPC_DMA_INIT 0x01
76 #define PPC_DMA_STARTED 0x02
77 #define PPC_DMA_COMPLETE 0x03
78 #define PPC_DMA_INTERRUPTED 0x04
79 #define PPC_DMA_ERROR 0x05
80 int ppc_dmastat; /* dma state */
81 int ppc_dmachan; /* dma channel */
82 int ppc_dmaflags; /* dma transfer flags */
83 caddr_t ppc_dmaddr; /* buffer address */
84 u_int ppc_dmacnt; /* count of bytes sent with dma */
85
86 #define PPC_PWORD_MASK 0x30
87 #define PPC_PWORD_16 0x00
88 #define PPC_PWORD_8 0x10
89 #define PPC_PWORD_32 0x20
90 char ppc_pword; /* PWord size */
91 short ppc_fifo; /* FIFO threshold */
92
93 short ppc_wthr; /* writeIntrThresold */
94 short ppc_rthr; /* readIntrThresold */
95
96 char *ppc_ptr; /* microseq current pointer */
97 int ppc_accum; /* microseq accumulator */
98 int ppc_base; /* parallel port base address */
99 int ppc_epp; /* EPP mode (1.7 or 1.9) */
100 int ppc_irq;
101
102 unsigned char ppc_flags;
103
104 device_t ppbus; /* parallel port chipset corresponding ppbus */
105
106 int rid_irq, rid_drq, rid_ioport;
107 struct resource *res_irq, *res_drq, *res_ioport;
108
109 bus_space_handle_t bsh;
110 bus_space_tag_t bst;
111
112 void *intr_cookie;
113
114 int ppc_registered; /* 1 if ppcintr() is the registered interrupt */
115 };
116
117 /*
118 * Parallel Port Chipset registers.
119 */
120 #define PPC_SPP_DTR 0 /* SPP data register */
121 #define PPC_ECP_A_FIFO 0 /* ECP Address fifo register */
122 #define PPC_SPP_STR 1 /* SPP status register */
123 #define PPC_SPP_CTR 2 /* SPP control register */
124 #define PPC_EPP_ADDR 3 /* EPP address register (8 bit) */
125 #define PPC_EPP_DATA 4 /* EPP data register (8, 16 or 32 bit) */
126 #define PPC_ECP_D_FIFO 0x400 /* ECP Data fifo register */
127 #define PPC_ECP_CNFGA 0x400 /* Configuration register A */
128 #define PPC_ECP_CNFGB 0x401 /* Configuration register B */
129 #define PPC_ECP_ECR 0x402 /* ECP extended control register */
130
131 #define PPC_FIFO_EMPTY 0x1 /* ecr register - bit 0 */
132 #define PPC_FIFO_FULL 0x2 /* ecr register - bit 1 */
133 #define PPC_SERVICE_INTR 0x4 /* ecr register - bit 2 */
134 #define PPC_ENABLE_DMA 0x8 /* ecr register - bit 3 */
135 #define PPC_nFAULT_INTR 0x10 /* ecr register - bit 4 */
136 #define PPC_ECR_STD 0x0
137 #define PPC_ECR_PS2 0x20
138 #define PPC_ECR_FIFO 0x40
139 #define PPC_ECR_ECP 0x60
140 #define PPC_ECR_EPP 0x80
141
142 #define PPC_DISABLE_INTR (PPC_SERVICE_INTR | PPC_nFAULT_INTR)
143 #define PPC_ECR_RESET (PPC_ECR_PS2 | PPC_DISABLE_INTR)
144
145 #define r_dtr(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_SPP_DTR))
146 #define r_str(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_SPP_STR))
147 #define r_ctr(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_SPP_CTR))
148
149 #define r_epp_A(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_EPP_ADDR))
150 #define r_epp_D(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_EPP_DATA))
151 #define r_cnfgA(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_ECP_CNFGA))
152 #define r_cnfgB(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_ECP_CNFGB))
153 #define r_ecr(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_ECP_ECR))
154 #define r_fifo(ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, PPC_ECP_D_FIFO))
155
156 #define w_dtr(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_SPP_DTR, byte))
157 #define w_str(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_SPP_STR, byte))
158 #define w_ctr(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_SPP_CTR, byte))
159
160 #define w_epp_A(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_EPP_ADDR, byte))
161 #define w_epp_D(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_EPP_DATA, byte))
162 #define w_ecr(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_ECP_ECR, byte))
163 #define w_fifo(ppc, byte) (bus_space_write_1((ppc)->bst, (ppc)->bsh, PPC_ECP_D_FIFO, byte))
164
165 /*
166 * Register defines for the PC873xx parts
167 */
168
169 #define PC873_FER 0x00
170 #define PC873_PPENABLE (1<<0)
171 #define PC873_FAR 0x01
172 #define PC873_PTR 0x02
173 #define PC873_CFGLOCK (1<<6)
174 #define PC873_EPPRDIR (1<<7)
175 #define PC873_EXTENDED (1<<7)
176 #define PC873_LPTBIRQ7 (1<<3)
177 #define PC873_FCR 0x03
178 #define PC873_ZWS (1<<5)
179 #define PC873_ZWSPWDN (1<<6)
180 #define PC873_PCR 0x04
181 #define PC873_EPPEN (1<<0)
182 #define PC873_EPP19 (1<<1)
183 #define PC873_ECPEN (1<<2)
184 #define PC873_ECPCLK (1<<3)
185 #define PC873_PMC 0x06
186 #define PC873_TUP 0x07
187 #define PC873_SID 0x08
188 #define PC873_PNP0 0x1b
189 #define PC873_PNP1 0x1c
190 #define PC873_LPTBA 0x19
191
192 /*
193 * Register defines for the SMC FDC37C66xGT parts
194 */
195
196 /* Init codes */
197 #define SMC665_iCODE 0x55
198 #define SMC666_iCODE 0x44
199
200 /* Base configuration ports */
201 #define SMC66x_CSR 0x3F0
202 #define SMC666_CSR 0x370 /* hard-configured value for 666 */
203
204 /* Bits */
205 #define SMC_CR1_ADDR 0x3 /* bit 0 and 1 */
206 #define SMC_CR1_MODE (1<<3) /* bit 3 */
207 #define SMC_CR4_EMODE 0x3 /* bits 0 and 1 */
208 #define SMC_CR4_EPPTYPE (1<<6) /* bit 6 */
209
210 /* Extended modes */
211 #define SMC_SPP 0x0 /* SPP */
212 #define SMC_EPPSPP 0x1 /* EPP and SPP */
213 #define SMC_ECP 0x2 /* ECP */
214 #define SMC_ECPEPP 0x3 /* ECP and EPP */
215
216 /*
217 * Register defines for the SMC FDC37C935 parts
218 */
219
220 /* Configuration ports */
221 #define SMC935_CFG 0x370
222 #define SMC935_IND 0x370
223 #define SMC935_DAT 0x371
224
225 /* Registers */
226 #define SMC935_LOGDEV 0x7
227 #define SMC935_ID 0x20
228 #define SMC935_PORTHI 0x60
229 #define SMC935_PORTLO 0x61
230 #define SMC935_PPMODE 0xf0
231
232 /* Parallel port modes */
233 #define SMC935_SPP 0x38 + 0
234 #define SMC935_EPP19SPP 0x38 + 1
235 #define SMC935_ECP 0x38 + 2
236 #define SMC935_ECPEPP19 0x38 + 3
237 #define SMC935_CENT 0x38 + 4
238 #define SMC935_EPP17SPP 0x38 + 5
239 #define SMC935_UNUSED 0x38 + 6
240 #define SMC935_ECPEPP17 0x38 + 7
241
242 /*
243 * Register defines for the Winbond W83877F parts
244 */
245
246 #define WINB_W83877F_ID 0xa
247 #define WINB_W83877AF_ID 0xb
248
249 /* Configuration bits */
250 #define WINB_HEFERE (1<<5) /* CROC bit 5 */
251 #define WINB_HEFRAS (1<<0) /* CR16 bit 0 */
252
253 #define WINB_PNPCVS (1<<2) /* CR16 bit 2 */
254 #define WINB_CHIPID 0xf /* CR9 bits 0-3 */
255
256 #define WINB_PRTMODS0 (1<<2) /* CR0 bit 2 */
257 #define WINB_PRTMODS1 (1<<3) /* CR0 bit 3 */
258 #define WINB_PRTMODS2 (1<<7) /* CR9 bit 7 */
259
260 /* W83877F modes: CR9/bit7 | CR0/bit3 | CR0/bit2 */
261 #define WINB_W83757 0x0
262 #define WINB_EXTFDC 0x4
263 #define WINB_EXTADP 0x8
264 #define WINB_EXT2FDD 0xc
265 #define WINB_JOYSTICK 0x80
266
267 #define WINB_PARALLEL 0x80
268 #define WINB_EPP_SPP 0x4
269 #define WINB_ECP 0x8
270 #define WINB_ECP_EPP 0xc
271
272 #endif
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