86 	struct ep93xx_keypad *keypad = dev_id;  in ep93xx_keypad_irq_handler()  local
87 	struct input_dev *input_dev = keypad->input_dev;  in ep93xx_keypad_irq_handler()
91 	status = __raw_readl(keypad->mmio_base + KEY_REG);  in ep93xx_keypad_irq_handler()
94 	key1 = keypad->keycodes[keycode];  in ep93xx_keypad_irq_handler()
97 	key2 = keypad->keycodes[keycode];  in ep93xx_keypad_irq_handler()
100 		if (keypad->key1 && key1 != keypad->key1 && key2 != keypad->key1)  in ep93xx_keypad_irq_handler()
101 			input_report_key(input_dev, keypad->key1, 0);  in ep93xx_keypad_irq_handler()
103 		if (keypad->key2 && key1 != keypad->key2 && key2 != keypad->key2)  in ep93xx_keypad_irq_handler()
104 			input_report_key(input_dev, keypad->key2, 0);  in ep93xx_keypad_irq_handler()
109 		keypad->key1 = key1;  in ep93xx_keypad_irq_handler()
110 		keypad->key2 = key2;  in ep93xx_keypad_irq_handler()
113 		if (keypad->key1 && key1 != keypad->key1)  in ep93xx_keypad_irq_handler()
114 			input_report_key(input_dev, keypad->key1, 0);  in ep93xx_keypad_irq_handler()
116 		if (keypad->key2 && key1 != keypad->key2)  in ep93xx_keypad_irq_handler()
117 			input_report_key(input_dev, keypad->key2, 0);  in ep93xx_keypad_irq_handler()
121 		keypad->key1 = key1;  in ep93xx_keypad_irq_handler()
122 		keypad->key2 = 0;  in ep93xx_keypad_irq_handler()
125 		input_report_key(input_dev, keypad->key1, 0);  in ep93xx_keypad_irq_handler()
126 		input_report_key(input_dev, keypad->key2, 0);  in ep93xx_keypad_irq_handler()
128 		keypad->key1 = keypad->key2 = 0;  in ep93xx_keypad_irq_handler()
135 static void ep93xx_keypad_config(struct ep93xx_keypad *keypad)  in ep93xx_keypad_config()  argument
137 	struct ep93xx_keypad_platform_data *pdata = keypad->pdata;  in ep93xx_keypad_config()
141 		clk_set_rate(keypad->clk, EP93XX_KEYTCHCLK_DIV4);  in ep93xx_keypad_config()
143 		clk_set_rate(keypad->clk, EP93XX_KEYTCHCLK_DIV16);  in ep93xx_keypad_config()
158 	__raw_writel(val, keypad->mmio_base + KEY_INIT);  in ep93xx_keypad_config()
163 	struct ep93xx_keypad *keypad = input_get_drvdata(pdev);  in ep93xx_keypad_open()  local
165 	if (!keypad->enabled) {  in ep93xx_keypad_open()
166 		ep93xx_keypad_config(keypad);  in ep93xx_keypad_open()
167 		clk_enable(keypad->clk);  in ep93xx_keypad_open()
168 		keypad->enabled = true;  in ep93xx_keypad_open()
176 	struct ep93xx_keypad *keypad = input_get_drvdata(pdev);  in ep93xx_keypad_close()  local
178 	if (keypad->enabled) {  in ep93xx_keypad_close()
179 		clk_disable(keypad->clk);  in ep93xx_keypad_close()
180 		keypad->enabled = false;  in ep93xx_keypad_close()
189 	struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);  in ep93xx_keypad_suspend()  local
190 	struct input_dev *input_dev = keypad->input_dev;  in ep93xx_keypad_suspend()
194 	if (keypad->enabled) {  in ep93xx_keypad_suspend()
195 		clk_disable(keypad->clk);  in ep93xx_keypad_suspend()
196 		keypad->enabled = false;  in ep93xx_keypad_suspend()
202 		enable_irq_wake(keypad->irq);  in ep93xx_keypad_suspend()
210 	struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);  in ep93xx_keypad_resume()  local
211 	struct input_dev *input_dev = keypad->input_dev;  in ep93xx_keypad_resume()
214 		disable_irq_wake(keypad->irq);  in ep93xx_keypad_resume()
219 		if (!keypad->enabled) {  in ep93xx_keypad_resume()
220 			ep93xx_keypad_config(keypad);  in ep93xx_keypad_resume()
221 			clk_enable(keypad->clk);  in ep93xx_keypad_resume()
222 			keypad->enabled = true;  in ep93xx_keypad_resume()
237 	struct ep93xx_keypad *keypad;  in ep93xx_keypad_probe()  local
243 	keypad = kzalloc(sizeof(struct ep93xx_keypad), GFP_KERNEL);  in ep93xx_keypad_probe()
244 	if (!keypad)  in ep93xx_keypad_probe()
247 	keypad->pdata = dev_get_platdata(&pdev->dev);  in ep93xx_keypad_probe()
248 	if (!keypad->pdata) {  in ep93xx_keypad_probe()
253 	keymap_data = keypad->pdata->keymap_data;  in ep93xx_keypad_probe()
259 	keypad->irq = platform_get_irq(pdev, 0);  in ep93xx_keypad_probe()
260 	if (!keypad->irq) {  in ep93xx_keypad_probe()
277 	keypad->mmio_base = ioremap(res->start, resource_size(res));  in ep93xx_keypad_probe()
278 	if (keypad->mmio_base == NULL) {  in ep93xx_keypad_probe()
287 	keypad->clk = clk_get(&pdev->dev, NULL);  in ep93xx_keypad_probe()
288 	if (IS_ERR(keypad->clk)) {  in ep93xx_keypad_probe()
289 		err = PTR_ERR(keypad->clk);  in ep93xx_keypad_probe()
299 	keypad->input_dev = input_dev;  in ep93xx_keypad_probe()
309 					 keypad->keycodes, input_dev);  in ep93xx_keypad_probe()
313 	if (keypad->pdata->flags & EP93XX_KEYPAD_AUTOREPEAT)  in ep93xx_keypad_probe()
315 	input_set_drvdata(input_dev, keypad);  in ep93xx_keypad_probe()
317 	err = request_irq(keypad->irq, ep93xx_keypad_irq_handler,  in ep93xx_keypad_probe()
318 			  0, pdev->name, keypad);  in ep93xx_keypad_probe()
326 	platform_set_drvdata(pdev, keypad);  in ep93xx_keypad_probe()
332 	free_irq(keypad->irq, keypad);  in ep93xx_keypad_probe()
336 	clk_put(keypad->clk);  in ep93xx_keypad_probe()
340 	iounmap(keypad->mmio_base);  in ep93xx_keypad_probe()
344 	kfree(keypad);  in ep93xx_keypad_probe()
350 	struct ep93xx_keypad *keypad = platform_get_drvdata(pdev);  in ep93xx_keypad_remove()  local
353 	free_irq(keypad->irq, keypad);  in ep93xx_keypad_remove()
355 	if (keypad->enabled)  in ep93xx_keypad_remove()
356 		clk_disable(keypad->clk);  in ep93xx_keypad_remove()
357 	clk_put(keypad->clk);  in ep93xx_keypad_remove()
359 	input_unregister_device(keypad->input_dev);  in ep93xx_keypad_remove()
363 	iounmap(keypad->mmio_base);  in ep93xx_keypad_remove()
368 	kfree(keypad);  in ep93xx_keypad_remove()