xref: /freebsd/sys/dev/ppc/ppcreg.h (revision a0ee8cc6)
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  * $FreeBSD$
27  *
28  */
29 #ifndef __PPCREG_H
30 #define __PPCREG_H
31 
32 #include <sys/_lock.h>
33 #include <sys/_mutex.h>
34 
35 /*
36  * Parallel Port Chipset type.
37  */
38 #define SMC_LIKE	0
39 #define SMC_37C665GT	1
40 #define SMC_37C666GT	2
41 #define NS_PC87332	3
42 #define NS_PC87306	4
43 #define INTEL_820191AA	5	/* XXX not implemented */
44 #define GENERIC		6
45 #define WINB_W83877F	7
46 #define WINB_W83877AF	8
47 #define WINB_UNKNOWN	9
48 #define NS_PC87334	10
49 #define SMC_37C935	11
50 #define NS_PC87303	12
51 
52 /*
53  * Parallel Port Chipset Type. SMC versus GENERIC (others)
54  */
55 #define PPC_TYPE_SMCLIKE 0
56 #define PPC_TYPE_GENERIC 1
57 
58 /*
59  * Generic structure to hold parallel port chipset info.
60  */
61 struct ppc_data {
62 	device_t ppc_dev;
63 	int ppc_model;		/* chipset model if detected */
64 	int ppc_type;		/* generic or smclike chipset type */
65 
66 	int ppc_mode;		/* chipset current mode */
67 	int ppc_avm;		/* chipset available modes */
68 	int ppc_dtm;		/* chipset detected modes */
69 
70 #define PPC_IRQ_NONE		0x0
71 #define PPC_IRQ_nACK		0x1
72 #define PPC_IRQ_DMA		0x2
73 #define PPC_IRQ_FIFO		0x4
74 #define PPC_IRQ_nFAULT		0x8
75 	int ppc_irqstat;	/* remind irq settings */
76 
77 #define PPC_DMA_INIT		0x01
78 #define PPC_DMA_STARTED		0x02
79 #define PPC_DMA_COMPLETE	0x03
80 #define PPC_DMA_INTERRUPTED	0x04
81 #define PPC_DMA_ERROR		0x05
82 	int ppc_dmastat;	/* dma state */
83 	int ppc_dmachan;	/* dma channel */
84 	int ppc_dmaflags;	/* dma transfer flags */
85 	caddr_t ppc_dmaddr;	/* buffer address */
86 	u_int ppc_dmacnt;	/* count of bytes sent with dma */
87 	void (*ppc_dmadone)(struct ppc_data*);
88 
89 #define PPC_PWORD_MASK	0x30
90 #define PPC_PWORD_16	0x00
91 #define PPC_PWORD_8	0x10
92 #define PPC_PWORD_32	0x20
93 	char ppc_pword;		/* PWord size */
94 	short ppc_fifo;		/* FIFO threshold */
95 
96 	short ppc_wthr;		/* writeIntrThresold */
97 	short ppc_rthr;		/* readIntrThresold */
98 
99 	char *ppc_ptr;		/* microseq current pointer */
100 	int ppc_accum;		/* microseq accumulator */
101 	int ppc_base;		/* parallel port base address */
102 	int ppc_epp;		/* EPP mode (1.7 or 1.9) */
103 	int ppc_irq;
104 
105 	unsigned char ppc_flags;
106 
107 	device_t ppbus;		/* parallel port chipset corresponding ppbus */
108 
109   	int rid_irq, rid_drq, rid_ioport;
110 	struct resource *res_irq, *res_drq, *res_ioport;
111 
112 	void *intr_cookie;
113 
114 	ppc_intr_handler ppc_intr_hook;
115 	void *ppc_intr_arg;
116 
117 	struct mtx ppc_lock;
118 };
119 
120 #define	PPC_LOCK(data)		mtx_lock(&(data)->ppc_lock)
121 #define	PPC_UNLOCK(data)	mtx_unlock(&(data)->ppc_lock)
122 #define	PPC_ASSERT_LOCKED(data)	mtx_assert(&(data)->ppc_lock, MA_OWNED)
123 
124 /*
125  * Parallel Port Chipset registers.
126  */
127 #define PPC_SPP_DTR	0	/* SPP data register */
128 #define PPC_ECP_A_FIFO	0	/* ECP Address fifo register */
129 #define PPC_SPP_STR	1	/* SPP status register */
130 #define PPC_SPP_CTR	2	/* SPP control register */
131 #define PPC_EPP_ADDR	3	/* EPP address register (8 bit) */
132 #define PPC_EPP_DATA	4	/* EPP data register (8, 16 or 32 bit) */
133 #if defined(__i386__) && defined(PC98)
134 #define PPC_1284_ENABLE	0x09	/* IEEE STD 1284 Enable register */
135 #define PPC_ECP_D_FIFO	0x0c	/* ECP Data fifo register */
136 #define PPC_ECP_CNFGA	0x0c	/* Configuration register A */
137 #define PPC_ECP_CNFGB	0x0d	/* Configuration register B */
138 #define PPC_ECP_ECR	0x0e	/* ECP extended control register */
139 #else
140 #define PPC_ECP_D_FIFO	0x400	/* ECP Data fifo register */
141 #define PPC_ECP_CNFGA	0x400	/* Configuration register A */
142 #define PPC_ECP_CNFGB	0x401	/* Configuration register B */
143 #define PPC_ECP_ECR	0x402	/* ECP extended control register */
144 #endif
145 
146 #define PPC_FIFO_EMPTY	0x1	/* ecr register - bit 0 */
147 #define PPC_FIFO_FULL	0x2	/* ecr register - bit 1 */
148 #define PPC_SERVICE_INTR 0x4	/* ecr register - bit 2 */
149 #define PPC_ENABLE_DMA	0x8	/* ecr register - bit 3 */
150 #define PPC_nFAULT_INTR	0x10	/* ecr register - bit 4 */
151 #define PPC_ECR_STD	0x0
152 #define PPC_ECR_PS2	0x20
153 #define PPC_ECR_FIFO	0x40
154 #define PPC_ECR_ECP	0x60
155 #define PPC_ECR_EPP	0x80
156 
157 #define PPC_DISABLE_INTR	(PPC_SERVICE_INTR | PPC_nFAULT_INTR)
158 #define PPC_ECR_RESET		(PPC_ECR_PS2 | PPC_DISABLE_INTR)
159 
160 #define r_dtr(ppc) (bus_read_1((ppc)->res_ioport, PPC_SPP_DTR))
161 #define r_str(ppc) (bus_read_1((ppc)->res_ioport, PPC_SPP_STR))
162 #define r_ctr(ppc) (bus_read_1((ppc)->res_ioport, PPC_SPP_CTR))
163 
164 #define r_epp_A(ppc) (bus_read_1((ppc)->res_ioport, PPC_EPP_ADDR))
165 #define r_epp_D(ppc) (bus_read_1((ppc)->res_ioport, PPC_EPP_DATA))
166 #define r_cnfgA(ppc) (bus_read_1((ppc)->res_ioport, PPC_ECP_CNFGA))
167 #define r_cnfgB(ppc) (bus_read_1((ppc)->res_ioport, PPC_ECP_CNFGB))
168 #define r_ecr(ppc) (bus_read_1((ppc)->res_ioport, PPC_ECP_ECR))
169 #define r_fifo(ppc) (bus_read_1((ppc)->res_ioport, PPC_ECP_D_FIFO))
170 
171 #define w_dtr(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_SPP_DTR, byte))
172 #define w_str(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_SPP_STR, byte))
173 #define w_ctr(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_SPP_CTR, byte))
174 
175 #define w_epp_A(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_EPP_ADDR, byte))
176 #define w_epp_D(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_EPP_DATA, byte))
177 #define w_ecr(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_ECP_ECR, byte))
178 #define w_fifo(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_ECP_D_FIFO, byte))
179 
180 /*
181  * Register defines for the PC873xx parts
182  */
183 
184 #define PC873_FER	0x00
185 #define PC873_PPENABLE	(1<<0)
186 #define PC873_FAR	0x01
187 #define PC873_PTR	0x02
188 #define PC873_CFGLOCK	(1<<6)
189 #define PC873_EPPRDIR	(1<<7)
190 #define PC873_EXTENDED	(1<<7)
191 #define PC873_LPTBIRQ7	(1<<3)
192 #define PC873_FCR	0x03
193 #define PC873_ZWS	(1<<5)
194 #define PC873_ZWSPWDN	(1<<6)
195 #define PC873_PCR	0x04
196 #define PC873_EPPEN	(1<<0)
197 #define PC873_EPP19	(1<<1)
198 #define PC873_ECPEN	(1<<2)
199 #define PC873_ECPCLK	(1<<3)
200 #define PC873_PMC	0x06
201 #define PC873_TUP	0x07
202 #define PC873_SID	0x08
203 #define PC873_PNP0	0x1b
204 #define PC873_PNP1	0x1c
205 #define PC873_LPTBA	0x19
206 
207 /*
208  * Register defines for the SMC FDC37C66xGT parts
209  */
210 
211 /* Init codes */
212 #define SMC665_iCODE	0x55
213 #define SMC666_iCODE	0x44
214 
215 /* Base configuration ports */
216 #define SMC66x_CSR	0x3F0
217 #define SMC666_CSR	0x370		/* hard-configured value for 666 */
218 
219 /* Bits */
220 #define SMC_CR1_ADDR	0x3		/* bit 0 and 1 */
221 #define SMC_CR1_MODE	(1<<3)		/* bit 3 */
222 #define SMC_CR4_EMODE	0x3		/* bits 0 and 1 */
223 #define SMC_CR4_EPPTYPE	(1<<6)		/* bit 6 */
224 
225 /* Extended modes */
226 #define SMC_SPP		0x0		/* SPP */
227 #define SMC_EPPSPP	0x1		/* EPP and SPP */
228 #define SMC_ECP		0x2 		/* ECP */
229 #define SMC_ECPEPP	0x3		/* ECP and EPP */
230 
231 /*
232  * Register defines for the SMC FDC37C935 parts
233  */
234 
235 /* Configuration ports */
236 #define SMC935_CFG	0x370
237 #define SMC935_IND	0x370
238 #define SMC935_DAT	0x371
239 
240 /* Registers */
241 #define SMC935_LOGDEV	0x7
242 #define SMC935_ID	0x20
243 #define SMC935_PORTHI	0x60
244 #define SMC935_PORTLO	0x61
245 #define SMC935_PPMODE	0xf0
246 
247 /* Parallel port modes */
248 #define SMC935_SPP	0x38 + 0
249 #define SMC935_EPP19SPP	0x38 + 1
250 #define SMC935_ECP	0x38 + 2
251 #define SMC935_ECPEPP19	0x38 + 3
252 #define SMC935_CENT	0x38 + 4
253 #define SMC935_EPP17SPP	0x38 + 5
254 #define SMC935_UNUSED	0x38 + 6
255 #define SMC935_ECPEPP17	0x38 + 7
256 
257 /*
258  * Register defines for the Winbond W83877F parts
259  */
260 
261 #define WINB_W83877F_ID		0xa
262 #define WINB_W83877AF_ID	0xb
263 
264 /* Configuration bits */
265 #define WINB_HEFERE	(1<<5)		/* CROC bit 5 */
266 #define WINB_HEFRAS	(1<<0)		/* CR16 bit 0 */
267 
268 #define WINB_PNPCVS	(1<<2)		/* CR16 bit 2 */
269 #define WINB_CHIPID	0xf		/* CR9 bits 0-3 */
270 
271 #define WINB_PRTMODS0	(1<<2)		/* CR0 bit 2 */
272 #define WINB_PRTMODS1	(1<<3)		/* CR0 bit 3 */
273 #define WINB_PRTMODS2	(1<<7)		/* CR9 bit 7 */
274 
275 /* W83877F modes: CR9/bit7 | CR0/bit3 | CR0/bit2 */
276 #define WINB_W83757	0x0
277 #define WINB_EXTFDC	0x4
278 #define WINB_EXTADP	0x8
279 #define WINB_EXT2FDD	0xc
280 #define WINB_JOYSTICK	0x80
281 
282 #define WINB_PARALLEL	0x80
283 #define WINB_EPP_SPP	0x4
284 #define WINB_ECP	0x8
285 #define WINB_ECP_EPP	0xc
286 
287 #endif
288