55 static void report_rotary_event(struct bfin_rot *rotary, int delta)  in report_rotary_event()  argument
57 	struct input_dev *input = rotary->input;  in report_rotary_event()
59 	if (rotary->up_key) {  in report_rotary_event()
61 				 delta > 0 ? rotary->up_key : rotary->down_key);  in report_rotary_event()
63 		input_report_rel(input, rotary->rel_code, delta);  in report_rotary_event()
70 	struct bfin_rot *rotary = dev_id;  in bfin_rotary_isr()  local
73 	switch (readw(rotary->base + CNT_STATUS_OFF)) {  in bfin_rotary_isr()
80 		delta = readl(rotary->base + CNT_COUNTER_OFF);  in bfin_rotary_isr()
82 			report_rotary_event(rotary, delta);  in bfin_rotary_isr()
86 		report_key_event(rotary->input, rotary->button_key);  in bfin_rotary_isr()
93 	writew(W1LCNT_ZERO, rotary->base + CNT_COMMAND_OFF); /* Clear COUNTER */  in bfin_rotary_isr()
94 	writew(-1, rotary->base + CNT_STATUS_OFF); /* Clear STATUS */  in bfin_rotary_isr()
101 	struct bfin_rot *rotary = input_get_drvdata(input);  in bfin_rotary_open()  local
104 	if (rotary->mode & ROT_DEBE)  in bfin_rotary_open()
105 		writew(rotary->debounce & DPRESCALE,  in bfin_rotary_open()
106 			rotary->base + CNT_DEBOUNCE_OFF);  in bfin_rotary_open()
108 	writew(rotary->mode & ~CNTE, rotary->base + CNT_CONFIG_OFF);  in bfin_rotary_open()
111 	if (rotary->button_key)  in bfin_rotary_open()
113 	writew(val, rotary->base + CNT_IMASK_OFF);  in bfin_rotary_open()
115 	writew(rotary->mode | CNTE, rotary->base + CNT_CONFIG_OFF);  in bfin_rotary_open()
122 	struct bfin_rot *rotary = input_get_drvdata(input);  in bfin_rotary_close()  local
124 	writew(0, rotary->base + CNT_CONFIG_OFF);  in bfin_rotary_close()
125 	writew(0, rotary->base + CNT_IMASK_OFF);  in bfin_rotary_close()
137 	struct bfin_rot *rotary;  in bfin_rotary_probe()  local
167 	rotary = devm_kzalloc(dev, sizeof(struct bfin_rot), GFP_KERNEL);  in bfin_rotary_probe()
168 	if (!rotary)  in bfin_rotary_probe()
172 	rotary->base = devm_ioremap_resource(dev, res);  in bfin_rotary_probe()
173 	if (IS_ERR(rotary->base))  in bfin_rotary_probe()
174 		return PTR_ERR(rotary->base);  in bfin_rotary_probe()
180 	rotary->input = input;  in bfin_rotary_probe()
182 	rotary->up_key = pdata->rotary_up_key;  in bfin_rotary_probe()
183 	rotary->down_key = pdata->rotary_down_key;  in bfin_rotary_probe()
184 	rotary->button_key = pdata->rotary_button_key;  in bfin_rotary_probe()
185 	rotary->rel_code = pdata->rotary_rel_code;  in bfin_rotary_probe()
187 	rotary->mode = pdata->mode;  in bfin_rotary_probe()
188 	rotary->debounce = pdata->debounce;  in bfin_rotary_probe()
194 	input_set_drvdata(input, rotary);  in bfin_rotary_probe()
204 	if (rotary->up_key) {  in bfin_rotary_probe()
206 		__set_bit(rotary->up_key, input->keybit);  in bfin_rotary_probe()
207 		__set_bit(rotary->down_key, input->keybit);  in bfin_rotary_probe()
210 		__set_bit(rotary->rel_code, input->relbit);  in bfin_rotary_probe()
213 	if (rotary->button_key) {  in bfin_rotary_probe()
215 		__set_bit(rotary->button_key, input->keybit);  in bfin_rotary_probe()
221 	rotary->irq = platform_get_irq(pdev, 0);  in bfin_rotary_probe()
222 	if (rotary->irq < 0) {  in bfin_rotary_probe()
227 	error = devm_request_irq(dev, rotary->irq, bfin_rotary_isr,  in bfin_rotary_probe()
228 				 0, dev_name(dev), rotary);  in bfin_rotary_probe()
231 			rotary->irq, error);  in bfin_rotary_probe()
241 	platform_set_drvdata(pdev, rotary);  in bfin_rotary_probe()
250 	struct bfin_rot *rotary = platform_get_drvdata(pdev);  in bfin_rotary_suspend()  local
252 	rotary->cnt_config = readw(rotary->base + CNT_CONFIG_OFF);  in bfin_rotary_suspend()
253 	rotary->cnt_imask = readw(rotary->base + CNT_IMASK_OFF);  in bfin_rotary_suspend()
254 	rotary->cnt_debounce = readw(rotary->base + CNT_DEBOUNCE_OFF);  in bfin_rotary_suspend()
257 		enable_irq_wake(rotary->irq);  in bfin_rotary_suspend()
265 	struct bfin_rot *rotary = platform_get_drvdata(pdev);  in bfin_rotary_resume()  local
267 	writew(rotary->cnt_debounce, rotary->base + CNT_DEBOUNCE_OFF);  in bfin_rotary_resume()
268 	writew(rotary->cnt_imask, rotary->base + CNT_IMASK_OFF);  in bfin_rotary_resume()
269 	writew(rotary->cnt_config & ~CNTE, rotary->base + CNT_CONFIG_OFF);  in bfin_rotary_resume()
272 		disable_irq_wake(rotary->irq);  in bfin_rotary_resume()
274 	if (rotary->cnt_config & CNTE)  in bfin_rotary_resume()
275 		writew(rotary->cnt_config, rotary->base + CNT_CONFIG_OFF);  in bfin_rotary_resume()