80 static void lpc32xx_fifo_clear(struct lpc32xx_tsc *tsc)  in lpc32xx_fifo_clear()  argument
82 	while (!(tsc_readl(tsc, LPC32XX_TSC_STAT) &  in lpc32xx_fifo_clear()
84 		tsc_readl(tsc, LPC32XX_TSC_FIFO);  in lpc32xx_fifo_clear()
91 	struct lpc32xx_tsc *tsc = dev_id;  in lpc32xx_ts_interrupt()  local
92 	struct input_dev *input = tsc->dev;  in lpc32xx_ts_interrupt()
94 	tmp = tsc_readl(tsc, LPC32XX_TSC_STAT);  in lpc32xx_ts_interrupt()
98 		lpc32xx_fifo_clear(tsc);  in lpc32xx_ts_interrupt()
109 	       !(tsc_readl(tsc, LPC32XX_TSC_STAT) &  in lpc32xx_ts_interrupt()
111 		tmp = tsc_readl(tsc, LPC32XX_TSC_FIFO);  in lpc32xx_ts_interrupt()
135 static void lpc32xx_stop_tsc(struct lpc32xx_tsc *tsc)  in lpc32xx_stop_tsc()  argument
138 	tsc_writel(tsc, LPC32XX_TSC_CON,  in lpc32xx_stop_tsc()
139 		   tsc_readl(tsc, LPC32XX_TSC_CON) &  in lpc32xx_stop_tsc()
142 	clk_disable_unprepare(tsc->clk);  in lpc32xx_stop_tsc()
145 static void lpc32xx_setup_tsc(struct lpc32xx_tsc *tsc)  in lpc32xx_setup_tsc()  argument
149 	clk_prepare_enable(tsc->clk);  in lpc32xx_setup_tsc()
151 	tmp = tsc_readl(tsc, LPC32XX_TSC_CON) & ~LPC32XX_TSC_ADCCON_POWER_UP;  in lpc32xx_setup_tsc()
157 	tsc_writel(tsc, LPC32XX_TSC_CON, tmp);  in lpc32xx_setup_tsc()
160 	tsc_writel(tsc, LPC32XX_TSC_SEL, LPC32XX_TSC_SEL_DEFVAL);  in lpc32xx_setup_tsc()
161 	tsc_writel(tsc, LPC32XX_TSC_MIN_X, LPC32XX_TSC_MIN_XY_VAL);  in lpc32xx_setup_tsc()
162 	tsc_writel(tsc, LPC32XX_TSC_MAX_X, LPC32XX_TSC_MAX_XY_VAL);  in lpc32xx_setup_tsc()
163 	tsc_writel(tsc, LPC32XX_TSC_MIN_Y, LPC32XX_TSC_MIN_XY_VAL);  in lpc32xx_setup_tsc()
164 	tsc_writel(tsc, LPC32XX_TSC_MAX_Y, LPC32XX_TSC_MAX_XY_VAL);  in lpc32xx_setup_tsc()
167 	tsc_writel(tsc, LPC32XX_TSC_AUX_UTR, 0);  in lpc32xx_setup_tsc()
168 	tsc_writel(tsc, LPC32XX_TSC_AUX_MIN, 0);  in lpc32xx_setup_tsc()
169 	tsc_writel(tsc, LPC32XX_TSC_AUX_MAX, 0);  in lpc32xx_setup_tsc()
177 	tsc_writel(tsc, LPC32XX_TSC_RTR, 0x2);  in lpc32xx_setup_tsc()
178 	tsc_writel(tsc, LPC32XX_TSC_DTR, 0x2);  in lpc32xx_setup_tsc()
179 	tsc_writel(tsc, LPC32XX_TSC_TTR, 0x10);  in lpc32xx_setup_tsc()
180 	tsc_writel(tsc, LPC32XX_TSC_DXP, 0x4);  in lpc32xx_setup_tsc()
181 	tsc_writel(tsc, LPC32XX_TSC_UTR, 88);  in lpc32xx_setup_tsc()
183 	lpc32xx_fifo_clear(tsc);  in lpc32xx_setup_tsc()
186 	tsc_writel(tsc, LPC32XX_TSC_CON, tmp | LPC32XX_TSC_ADCCON_AUTO_EN);  in lpc32xx_setup_tsc()
191 	struct lpc32xx_tsc *tsc = input_get_drvdata(dev);  in lpc32xx_ts_open()  local
193 	lpc32xx_setup_tsc(tsc);  in lpc32xx_ts_open()
200 	struct lpc32xx_tsc *tsc = input_get_drvdata(dev);  in lpc32xx_ts_close()  local
202 	lpc32xx_stop_tsc(tsc);  in lpc32xx_ts_close()
207 	struct lpc32xx_tsc *tsc;  in lpc32xx_ts_probe()  local
226 	tsc = kzalloc(sizeof(*tsc), GFP_KERNEL);  in lpc32xx_ts_probe()
228 	if (!tsc || !input) {  in lpc32xx_ts_probe()
234 	tsc->dev = input;  in lpc32xx_ts_probe()
235 	tsc->irq = irq;  in lpc32xx_ts_probe()
245 	tsc->tsc_base = ioremap(res->start, size);  in lpc32xx_ts_probe()
246 	if (!tsc->tsc_base) {  in lpc32xx_ts_probe()
252 	tsc->clk = clk_get(&pdev->dev, NULL);  in lpc32xx_ts_probe()
253 	if (IS_ERR(tsc->clk)) {  in lpc32xx_ts_probe()
255 		error = PTR_ERR(tsc->clk);  in lpc32xx_ts_probe()
276 	input_set_drvdata(input, tsc);  in lpc32xx_ts_probe()
278 	error = request_irq(tsc->irq, lpc32xx_ts_interrupt,  in lpc32xx_ts_probe()
279 			    0, pdev->name, tsc);  in lpc32xx_ts_probe()
291 	platform_set_drvdata(pdev, tsc);  in lpc32xx_ts_probe()
297 	free_irq(tsc->irq, tsc);  in lpc32xx_ts_probe()
299 	clk_put(tsc->clk);  in lpc32xx_ts_probe()
301 	iounmap(tsc->tsc_base);  in lpc32xx_ts_probe()
306 	kfree(tsc);  in lpc32xx_ts_probe()
313 	struct lpc32xx_tsc *tsc = platform_get_drvdata(pdev);  in lpc32xx_ts_remove()  local
317 	free_irq(tsc->irq, tsc);  in lpc32xx_ts_remove()
319 	input_unregister_device(tsc->dev);  in lpc32xx_ts_remove()
321 	clk_put(tsc->clk);  in lpc32xx_ts_remove()
323 	iounmap(tsc->tsc_base);  in lpc32xx_ts_remove()
327 	kfree(tsc);  in lpc32xx_ts_remove()
335 	struct lpc32xx_tsc *tsc = dev_get_drvdata(dev);  in lpc32xx_ts_suspend()  local
336 	struct input_dev *input = tsc->dev;  in lpc32xx_ts_suspend()
348 			enable_irq_wake(tsc->irq);  in lpc32xx_ts_suspend()
350 			lpc32xx_stop_tsc(tsc);  in lpc32xx_ts_suspend()
360 	struct lpc32xx_tsc *tsc = dev_get_drvdata(dev);  in lpc32xx_ts_resume()  local
361 	struct input_dev *input = tsc->dev;  in lpc32xx_ts_resume()
367 			disable_irq_wake(tsc->irq);  in lpc32xx_ts_resume()
369 			lpc32xx_setup_tsc(tsc);  in lpc32xx_ts_resume()