pcmcia.c (c1f3ee120bb61045b1c0a3ead620d1d65af47130) pcmcia.c (ffc7689ddae5cbe12bde437ae0f2b386d568b5cd)
1/*
2 * Sonics Silicon Backplane
3 * PCMCIA-Hostbus related functions
4 *
5 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2007 Michael Buesch <mb@bu3sch.de>
7 *
8 * Licensed under the GNU/GPL. See COPYING for details.

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167 err = ssb_pcmcia_switch_segment(bus, need_segment);
168 if (unlikely(err))
169 return err;
170 }
171
172 return 0;
173}
174
1/*
2 * Sonics Silicon Backplane
3 * PCMCIA-Hostbus related functions
4 *
5 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2007 Michael Buesch <mb@bu3sch.de>
7 *
8 * Licensed under the GNU/GPL. See COPYING for details.

--- 158 unchanged lines hidden (view full) ---

167 err = ssb_pcmcia_switch_segment(bus, need_segment);
168 if (unlikely(err))
169 return err;
170 }
171
172 return 0;
173}
174
175static u8 ssb_pcmcia_read8(struct ssb_device *dev, u16 offset)
176{
177 struct ssb_bus *bus = dev->bus;
178 unsigned long flags;
179 int err;
180 u8 value = 0xFF;
181
182 spin_lock_irqsave(&bus->bar_lock, flags);
183 err = select_core_and_segment(dev, &offset);
184 if (likely(!err))
185 value = readb(bus->mmio + offset);
186 spin_unlock_irqrestore(&bus->bar_lock, flags);
187
188 return value;
189}
190
175static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset)
176{
177 struct ssb_bus *bus = dev->bus;
178 unsigned long flags;
179 int err;
180 u16 value = 0xFFFF;
181
182 spin_lock_irqsave(&bus->bar_lock, flags);

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201 lo = readw(bus->mmio + offset);
202 hi = readw(bus->mmio + offset + 2);
203 }
204 spin_unlock_irqrestore(&bus->bar_lock, flags);
205
206 return (lo | (hi << 16));
207}
208
191static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset)
192{
193 struct ssb_bus *bus = dev->bus;
194 unsigned long flags;
195 int err;
196 u16 value = 0xFFFF;
197
198 spin_lock_irqsave(&bus->bar_lock, flags);

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217 lo = readw(bus->mmio + offset);
218 hi = readw(bus->mmio + offset + 2);
219 }
220 spin_unlock_irqrestore(&bus->bar_lock, flags);
221
222 return (lo | (hi << 16));
223}
224
225static void ssb_pcmcia_write8(struct ssb_device *dev, u16 offset, u8 value)
226{
227 struct ssb_bus *bus = dev->bus;
228 unsigned long flags;
229 int err;
230
231 spin_lock_irqsave(&bus->bar_lock, flags);
232 err = select_core_and_segment(dev, &offset);
233 if (likely(!err))
234 writeb(value, bus->mmio + offset);
235 mmiowb();
236 spin_unlock_irqrestore(&bus->bar_lock, flags);
237}
238
209static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value)
210{
211 struct ssb_bus *bus = dev->bus;
212 unsigned long flags;
213 int err;
214
215 spin_lock_irqsave(&bus->bar_lock, flags);
216 err = select_core_and_segment(dev, &offset);

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233 writew(((value & 0xFFFF0000) >> 16), bus->mmio + offset + 2);
234 }
235 mmiowb();
236 spin_unlock_irqrestore(&bus->bar_lock, flags);
237}
238
239/* Not "static", as it's used in main.c */
240const struct ssb_bus_ops ssb_pcmcia_ops = {
239static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value)
240{
241 struct ssb_bus *bus = dev->bus;
242 unsigned long flags;
243 int err;
244
245 spin_lock_irqsave(&bus->bar_lock, flags);
246 err = select_core_and_segment(dev, &offset);

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263 writew(((value & 0xFFFF0000) >> 16), bus->mmio + offset + 2);
264 }
265 mmiowb();
266 spin_unlock_irqrestore(&bus->bar_lock, flags);
267}
268
269/* Not "static", as it's used in main.c */
270const struct ssb_bus_ops ssb_pcmcia_ops = {
271 .read8 = ssb_pcmcia_read8,
241 .read16 = ssb_pcmcia_read16,
242 .read32 = ssb_pcmcia_read32,
272 .read16 = ssb_pcmcia_read16,
273 .read32 = ssb_pcmcia_read32,
274 .write8 = ssb_pcmcia_write8,
243 .write16 = ssb_pcmcia_write16,
244 .write32 = ssb_pcmcia_write32,
245};
246
247#include <linux/etherdevice.h>
248int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
249 struct ssb_init_invariants *iv)
250{

--- 37 unchanged lines hidden --- 		275 .write16 = ssb_pcmcia_write16,
276 .write32 = ssb_pcmcia_write32,
277};
278
279#include <linux/etherdevice.h>
280int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
281 struct ssb_init_invariants *iv)
282{

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