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1/*
2 * Definition of platform feature hooks for PowerMacs
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 1998 Paul Mackerras &
9 * Ben. Herrenschmidt.
10 *
11 *
12 * Note: I removed media-bay details from the feature stuff, I believe it's
13 * not worth it, the media-bay driver can directly use the mac-io
14 * ASIC registers.
15 *
16 * Implementation note: Currently, none of these functions will block.
17 * However, they may internally protect themselves with a spinlock
18 * for way too long. Be prepared for at least some of these to block
19 * in the future.
20 *
21 * Unless specifically defined, the result code is assumed to be an
22 * error when negative, 0 is the default success result. Some functions
23 * may return additional positive result values.
24 *
25 * To keep implementation simple, all feature calls are assumed to have
26 * the prototype parameters (struct device_node* node, int value).
27 * When either is not used, pass 0.
28 */
29
30#ifdef __KERNEL__
31#ifndef __PPC_ASM_PMAC_FEATURE_H
32#define __PPC_ASM_PMAC_FEATURE_H
33
34#include <asm/macio.h>
35#include <asm/machdep.h>
36
37/*
38 * Known Mac motherboard models
39 *
40 * Please, report any error here to benh@kernel.crashing.org, thanks !
41 *
42 * Note that I don't fully maintain this list for Core99 & MacRISC2
43 * and I'm considering removing all NewWorld entries from it and
44 * entirely rely on the model string.
45 */
46
47/* PowerSurge are the first generation of PCI Pmacs. This include
48 * all of the Grand-Central based machines. We currently don't
49 * differenciate most of them.
50 */
51#define PMAC_TYPE_PSURGE 0x10 /* PowerSurge */
52#define PMAC_TYPE_ANS 0x11 /* Apple Network Server */
53
54/* Here is the infamous serie of OHare based machines
55 */
56#define PMAC_TYPE_COMET 0x20 /* Beleived to be PowerBook 2400 */
57#define PMAC_TYPE_HOOPER 0x21 /* Beleived to be PowerBook 3400 */
58#define PMAC_TYPE_KANGA 0x22 /* PowerBook 3500 (first G3) */
59#define PMAC_TYPE_ALCHEMY 0x23 /* Alchemy motherboard base */
60#define PMAC_TYPE_GAZELLE 0x24 /* Spartacus, some 5xxx/6xxx */
61#define PMAC_TYPE_UNKNOWN_OHARE 0x2f /* Unknown, but OHare based */
62
63/* Here are the Heathrow based machines
64 * FIXME: Differenciate wallstreet,mainstreet,wallstreetII
65 */
66#define PMAC_TYPE_GOSSAMER 0x30 /* Gossamer motherboard */
67#define PMAC_TYPE_SILK 0x31 /* Desktop PowerMac G3 */
68#define PMAC_TYPE_WALLSTREET 0x32 /* Wallstreet/Mainstreet PowerBook*/
69#define PMAC_TYPE_UNKNOWN_HEATHROW 0x3f /* Unknown but heathrow based */
70
71/* Here are newworld machines based on Paddington (heathrow derivative)
72 */
73#define PMAC_TYPE_101_PBOOK 0x40 /* 101 PowerBook (aka Lombard) */
74#define PMAC_TYPE_ORIG_IMAC 0x41 /* First generation iMac */
75#define PMAC_TYPE_YOSEMITE 0x42 /* B&W G3 */
76#define PMAC_TYPE_YIKES 0x43 /* Yikes G4 (PCI graphics) */
77#define PMAC_TYPE_UNKNOWN_PADDINGTON 0x4f /* Unknown but paddington based */
78
79/* Core99 machines based on UniNorth 1.0 and 1.5
80 *
81 * Note: A single entry here may cover several actual models according
82 * to the device-tree. (Sawtooth is most tower G4s, FW_IMAC is most
83 * FireWire based iMacs, etc...). Those machines are too similar to be
84 * distinguished here, when they need to be differencied, use the
85 * device-tree "model" or "compatible" property.
86 */
87#define PMAC_TYPE_ORIG_IBOOK 0x40 /* First iBook model (no firewire) */
88#define PMAC_TYPE_SAWTOOTH 0x41 /* Desktop G4s */
89#define PMAC_TYPE_FW_IMAC 0x42 /* FireWire iMacs (except Pangea based) */
90#define PMAC_TYPE_FW_IBOOK 0x43 /* FireWire iBooks (except iBook2) */
91#define PMAC_TYPE_CUBE 0x44 /* Cube PowerMac */
92#define PMAC_TYPE_QUICKSILVER 0x45 /* QuickSilver G4s */
93#define PMAC_TYPE_PISMO 0x46 /* Pismo PowerBook */
94#define PMAC_TYPE_TITANIUM 0x47 /* Titanium PowerBook */
95#define PMAC_TYPE_TITANIUM2 0x48 /* Titanium II PowerBook (no L3, M6) */
96#define PMAC_TYPE_TITANIUM3 0x49 /* Titanium III PowerBook (with L3 & M7) */
97#define PMAC_TYPE_TITANIUM4 0x50 /* Titanium IV PowerBook (with L3 & M9) */
98#define PMAC_TYPE_EMAC 0x50 /* eMac */
99#define PMAC_TYPE_UNKNOWN_CORE99 0x5f
100
101/* MacRisc2 with UniNorth 2.0 */
102#define PMAC_TYPE_RACKMAC 0x80 /* XServe */
103#define PMAC_TYPE_WINDTUNNEL 0x81
104
105/* MacRISC2 machines based on the Pangea chipset
106 */
107#define PMAC_TYPE_PANGEA_IMAC 0x100 /* Flower Power iMac */
108#define PMAC_TYPE_IBOOK2 0x101 /* iBook2 (polycarbonate) */
109#define PMAC_TYPE_FLAT_PANEL_IMAC 0x102 /* Flat panel iMac */
110#define PMAC_TYPE_UNKNOWN_PANGEA 0x10f
111
112/* MacRISC2 machines based on the Intrepid chipset
113 */
114#define PMAC_TYPE_UNKNOWN_INTREPID 0x11f /* Generic */
115
116/* MacRISC4 / G5 machines. We don't have per-machine selection here anymore,
117 * but rather machine families
118 */
119#define PMAC_TYPE_POWERMAC_G5 0x150 /* U3 & U3H based */
120#define PMAC_TYPE_POWERMAC_G5_U3L 0x151 /* U3L based desktop */
121#define PMAC_TYPE_IMAC_G5 0x152 /* iMac G5 */
122#define PMAC_TYPE_XSERVE_G5 0x153 /* Xserve G5 */
123#define PMAC_TYPE_UNKNOWN_K2 0x19f /* Any other K2 based */
124
125/*
126 * Motherboard flags
127 */
128
129#define PMAC_MB_CAN_SLEEP 0x00000001
130#define PMAC_MB_HAS_FW_POWER 0x00000002
131#define PMAC_MB_OLD_CORE99 0x00000004
132#define PMAC_MB_MOBILE 0x00000008
133#define PMAC_MB_MAY_SLEEP 0x00000010
134
135/*
136 * Feature calls supported on pmac
137 *
138 */
139
140/*
141 * Use this inline wrapper
142 */
143struct device_node;
144
145static inline long pmac_call_feature(int selector, struct device_node* node,
146 long param, long value)
147{
148 if (!ppc_md.feature_call)
149 return -ENODEV;
150 return ppc_md.feature_call(selector, node, param, value);
151}
152
153/* PMAC_FTR_SERIAL_ENABLE (struct device_node* node, int param, int value)
154 * enable/disable an SCC side. Pass the node corresponding to the
155 * channel side as a parameter.
156 * param is the type of port
157 * if param is ored with PMAC_SCC_FLAG_XMON, then the SCC is locked enabled
158 * for use by xmon.
159 */
160#define PMAC_FTR_SCC_ENABLE PMAC_FTR_DEF(0)
161 #define PMAC_SCC_ASYNC 0
162 #define PMAC_SCC_IRDA 1
163 #define PMAC_SCC_I2S1 2
164 #define PMAC_SCC_FLAG_XMON 0x00001000
165
166/* PMAC_FTR_MODEM_ENABLE (struct device_node* node, 0, int value)
167 * enable/disable the internal modem.
168 */
169#define PMAC_FTR_MODEM_ENABLE PMAC_FTR_DEF(1)
170
171/* PMAC_FTR_SWIM3_ENABLE (struct device_node* node, 0,int value)
172 * enable/disable the swim3 (floppy) cell of a mac-io ASIC
173 */
174#define PMAC_FTR_SWIM3_ENABLE PMAC_FTR_DEF(2)
175
176/* PMAC_FTR_MESH_ENABLE (struct device_node* node, 0, int value)
177 * enable/disable the mesh (scsi) cell of a mac-io ASIC
178 */
179#define PMAC_FTR_MESH_ENABLE PMAC_FTR_DEF(3)
180
181/* PMAC_FTR_IDE_ENABLE (struct device_node* node, int busID, int value)
182 * enable/disable an IDE port of a mac-io ASIC
183 * pass the busID parameter
184 */
185#define PMAC_FTR_IDE_ENABLE PMAC_FTR_DEF(4)
186
187/* PMAC_FTR_IDE_RESET (struct device_node* node, int busID, int value)
188 * assert(1)/release(0) an IDE reset line (mac-io IDE only)
189 */
190#define PMAC_FTR_IDE_RESET PMAC_FTR_DEF(5)
191
192/* PMAC_FTR_BMAC_ENABLE (struct device_node* node, 0, int value)
193 * enable/disable the bmac (ethernet) cell of a mac-io ASIC, also drive
194 * it's reset line
195 */
196#define PMAC_FTR_BMAC_ENABLE PMAC_FTR_DEF(6)
197
198/* PMAC_FTR_GMAC_ENABLE (struct device_node* node, 0, int value)
199 * enable/disable the gmac (ethernet) cell of an uninorth ASIC. This
200 * control the cell's clock.
201 */
202#define PMAC_FTR_GMAC_ENABLE PMAC_FTR_DEF(7)
203
204/* PMAC_FTR_GMAC_PHY_RESET (struct device_node* node, 0, 0)
205 * Perform a HW reset of the PHY connected to a gmac controller.
206 * Pass the gmac device node, not the PHY node.
207 */
208#define PMAC_FTR_GMAC_PHY_RESET PMAC_FTR_DEF(8)
209
210/* PMAC_FTR_SOUND_CHIP_ENABLE (struct device_node* node, 0, int value)
211 * enable/disable the sound chip, whatever it is and provided it can
212 * acually be controlled
213 */
214#define PMAC_FTR_SOUND_CHIP_ENABLE PMAC_FTR_DEF(9)
215
216/* -- add various tweaks related to sound routing -- */
217
218/* PMAC_FTR_AIRPORT_ENABLE (struct device_node* node, 0, int value)
219 * enable/disable the airport card
220 */
221#define PMAC_FTR_AIRPORT_ENABLE PMAC_FTR_DEF(10)
222
223/* PMAC_FTR_RESET_CPU (NULL, int cpu_nr, 0)
224 * toggle the reset line of a CPU on an uninorth-based SMP machine
225 */
226#define PMAC_FTR_RESET_CPU PMAC_FTR_DEF(11)
227
228/* PMAC_FTR_USB_ENABLE (struct device_node* node, 0, int value)
229 * enable/disable an USB cell, along with the power of the USB "pad"
230 * on keylargo based machines
231 */
232#define PMAC_FTR_USB_ENABLE PMAC_FTR_DEF(12)
233
234/* PMAC_FTR_1394_ENABLE (struct device_node* node, 0, int value)
235 * enable/disable the firewire cell of an uninorth ASIC.
236 */
237#define PMAC_FTR_1394_ENABLE PMAC_FTR_DEF(13)
238
239/* PMAC_FTR_1394_CABLE_POWER (struct device_node* node, 0, int value)
240 * enable/disable the firewire cable power supply of the uninorth
241 * firewire cell
242 */
243#define PMAC_FTR_1394_CABLE_POWER PMAC_FTR_DEF(14)
244
245/* PMAC_FTR_SLEEP_STATE (struct device_node* node, 0, int value)
246 * set the sleep state of the motherboard.
247 *
248 * Pass -1 as value to query for sleep capability
249 * Pass 1 to set IOs to sleep
250 * Pass 0 to set IOs to wake
251 */
252#define PMAC_FTR_SLEEP_STATE PMAC_FTR_DEF(15)
253
254/* PMAC_FTR_GET_MB_INFO (NULL, selector, 0)
255 *
256 * returns some motherboard infos.
257 * selector: 0 - model id
258 * 1 - model flags (capabilities)
259 * 2 - model name (cast to const char *)
260 */
261#define PMAC_FTR_GET_MB_INFO PMAC_FTR_DEF(16)
262#define PMAC_MB_INFO_MODEL 0
263#define PMAC_MB_INFO_FLAGS 1
264#define PMAC_MB_INFO_NAME 2
265
266/* PMAC_FTR_READ_GPIO (NULL, int index, 0)
267 *
268 * read a GPIO from a mac-io controller of type KeyLargo or Pangea.
269 * the value returned is a byte (positive), or a negative error code
270 */
271#define PMAC_FTR_READ_GPIO PMAC_FTR_DEF(17)
272
273/* PMAC_FTR_WRITE_GPIO (NULL, int index, int value)
274 *
275 * write a GPIO of a mac-io controller of type KeyLargo or Pangea.
276 */
277#define PMAC_FTR_WRITE_GPIO PMAC_FTR_DEF(18)
278
279/* PMAC_FTR_ENABLE_MPIC
280 *
281 * Enable the MPIC cell
282 */
283#define PMAC_FTR_ENABLE_MPIC PMAC_FTR_DEF(19)
284
285/* PMAC_FTR_AACK_DELAY_ENABLE (NULL, int enable, 0)
286 *
287 * Enable/disable the AACK delay on the northbridge for systems using DFS
288 */
289#define PMAC_FTR_AACK_DELAY_ENABLE PMAC_FTR_DEF(20)
290
291/* PMAC_FTR_DEVICE_CAN_WAKE
292 *
293 * Used by video drivers to inform system that they can actually perform
294 * wakeup from sleep
295 */
296#define PMAC_FTR_DEVICE_CAN_WAKE PMAC_FTR_DEF(22)
297
298
299/* Don't use those directly, they are for the sake of pmac_setup.c */
300extern long pmac_do_feature_call(unsigned int selector, ...);
301extern void pmac_feature_init(void);
302
303/* Video suspend tweak */
304extern void pmac_set_early_video_resume(void (*proc)(void *data), void *data);
305extern void pmac_call_early_video_resume(void);
306
307#define PMAC_FTR_DEF(x) ((_MACH_Pmac << 16) | (x))
308
309/* The AGP driver registers itself here */
310extern void pmac_register_agp_pm(struct pci_dev *bridge,
311 int (*suspend)(struct pci_dev *bridge),
312 int (*resume)(struct pci_dev *bridge));
313
314/* Those are meant to be used by video drivers to deal with AGP
315 * suspend resume properly
316 */
317extern void pmac_suspend_agp_for_card(struct pci_dev *dev);
318extern void pmac_resume_agp_for_card(struct pci_dev *dev);
319
320/* Used by the via-pmu driver for suspend/resume
321 */
322extern void pmac_tweak_clock_spreading(int enable);
323
324/*
325 * The part below is for use by macio_asic.c only, do not rely
326 * on the data structures or constants below in a normal driver
327 *
328 */
329
330#define MAX_MACIO_CHIPS 2
331
332enum {
333 macio_unknown = 0,
334 macio_grand_central,
335 macio_ohare,
336 macio_ohareII,
337 macio_heathrow,
338 macio_gatwick,
339 macio_paddington,
340 macio_keylargo,
341 macio_pangea,
342 macio_intrepid,
343 macio_keylargo2,
344};
345
346struct macio_chip
347{
348 struct device_node *of_node;
349 int type;
350 const char *name;
351 int rev;
352 volatile u32 __iomem *base;
353 unsigned long flags;
354
355 /* For use by macio_asic PCI driver */
356 struct macio_bus lbus;
357};
358
359extern struct macio_chip macio_chips[MAX_MACIO_CHIPS];
360
361#define MACIO_FLAG_SCCA_ON 0x00000001
362#define MACIO_FLAG_SCCB_ON 0x00000002
363#define MACIO_FLAG_SCC_LOCKED 0x00000004
364#define MACIO_FLAG_AIRPORT_ON 0x00000010
365#define MACIO_FLAG_FW_SUPPORTED 0x00000020
366
367extern struct macio_chip* macio_find(struct device_node* child, int type);
368
369#define MACIO_FCR32(macio, r) ((macio)->base + ((r) >> 2))
370#define MACIO_FCR8(macio, r) (((volatile u8 __iomem *)((macio)->base)) + (r))
371
372#define MACIO_IN32(r) (in_le32(MACIO_FCR32(macio,r)))
373#define MACIO_OUT32(r,v) (out_le32(MACIO_FCR32(macio,r), (v)))
374#define MACIO_BIS(r,v) (MACIO_OUT32((r), MACIO_IN32(r) | (v)))
375#define MACIO_BIC(r,v) (MACIO_OUT32((r), MACIO_IN32(r) & ~(v)))
376#define MACIO_IN8(r) (in_8(MACIO_FCR8(macio,r)))
377#define MACIO_OUT8(r,v) (out_8(MACIO_FCR8(macio,r), (v)))
378
379#endif /* __PPC_ASM_PMAC_FEATURE_H */
380#endif /* __KERNEL__ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-08 08:47:12 -0500