Lines Matching defs:wm8994
2 * wm8994-irq.c -- Interrupt controller support for Wolfson WM8994
22 #include <linux/mfd/wm8994/core.h>
23 #include <linux/mfd/wm8994/registers.h>
153 static inline struct wm8994_irq_data *irq_to_wm8994_irq(struct wm8994 *wm8994,
156 return &wm8994_irqs[irq - wm8994->irq_base];
161 struct wm8994 *wm8994 = get_irq_chip_data(irq);
163 mutex_lock(&wm8994->irq_lock);
168 struct wm8994 *wm8994 = get_irq_chip_data(irq);
171 for (i = 0; i < ARRAY_SIZE(wm8994->irq_masks_cur); i++) {
174 if (wm8994->irq_masks_cur[i] != wm8994->irq_masks_cache[i]) {
175 wm8994->irq_masks_cache[i] = wm8994->irq_masks_cur[i];
176 wm8994_reg_write(wm8994,
178 wm8994->irq_masks_cur[i]);
182 mutex_unlock(&wm8994->irq_lock);
187 struct wm8994 *wm8994 = get_irq_chip_data(irq);
188 struct wm8994_irq_data *irq_data = irq_to_wm8994_irq(wm8994, irq);
190 wm8994->irq_masks_cur[irq_data->reg - 1] &= ~irq_data->mask;
195 struct wm8994 *wm8994 = get_irq_chip_data(irq);
196 struct wm8994_irq_data *irq_data = irq_to_wm8994_irq(wm8994, irq);
198 wm8994->irq_masks_cur[irq_data->reg - 1] |= irq_data->mask;
202 .name = "wm8994",
213 struct wm8994 *wm8994 = data;
218 ret = wm8994_bulk_read(wm8994, WM8994_INTERRUPT_STATUS_1,
221 dev_err(wm8994->dev, "Failed to read interrupt status: %d\n",
228 status[i] &= ~wm8994->irq_masks_cur[i];
233 handle_nested_irq(wm8994->irq_base + i);
239 wm8994_reg_write(wm8994, WM8994_INTERRUPT_STATUS_1 + i,
246 int wm8994_irq_init(struct wm8994 *wm8994)
250 mutex_init(&wm8994->irq_lock);
253 for (i = 0; i < ARRAY_SIZE(wm8994->irq_masks_cur); i++) {
254 wm8994->irq_masks_cur[i] = 0xffff;
255 wm8994->irq_masks_cache[i] = 0xffff;
256 wm8994_reg_write(wm8994, WM8994_INTERRUPT_STATUS_1_MASK + i,
260 if (!wm8994->irq) {
261 dev_warn(wm8994->dev,
263 wm8994->irq_base = 0;
267 if (!wm8994->irq_base) {
268 dev_err(wm8994->dev,
274 for (cur_irq = wm8994->irq_base;
275 cur_irq < ARRAY_SIZE(wm8994_irqs) + wm8994->irq_base;
277 set_irq_chip_data(cur_irq, wm8994);
291 ret = request_threaded_irq(wm8994->irq, NULL, wm8994_irq_thread,
293 "wm8994", wm8994);
295 dev_err(wm8994->dev, "Failed to request IRQ %d: %d\n",
296 wm8994->irq, ret);
301 wm8994_reg_write(wm8994, WM8994_INTERRUPT_CONTROL, 0);
306 void wm8994_irq_exit(struct wm8994 *wm8994)
308 if (wm8994->irq)
309 free_irq(wm8994->irq, wm8994);