54 	struct pxa930_trkball *trkball = dev_id;  in pxa930_trkball_interrupt()  local
55 	struct input_dev *input = trkball->input;  in pxa930_trkball_interrupt()
61 	tbcntr = __raw_readl(trkball->mmio_base + TBCNTR);  in pxa930_trkball_interrupt()
63 	if (tbcntr == __raw_readl(trkball->mmio_base + TBCNTR)) {  in pxa930_trkball_interrupt()
72 	__raw_writel(TBSBC_TBSBC, trkball->mmio_base + TBSBC);  in pxa930_trkball_interrupt()
73 	__raw_writel(0, trkball->mmio_base + TBSBC);  in pxa930_trkball_interrupt()
79 static int write_tbcr(struct pxa930_trkball *trkball, int v)  in write_tbcr()  argument
83 	__raw_writel(v, trkball->mmio_base + TBCR);  in write_tbcr()
86 		if (__raw_readl(trkball->mmio_base + TBCR) == v)  in write_tbcr()
99 static void pxa930_trkball_config(struct pxa930_trkball *trkball)  in pxa930_trkball_config()  argument
104 	tbcr = __raw_readl(trkball->mmio_base + TBCR);  in pxa930_trkball_config()
105 	write_tbcr(trkball, tbcr | TBCR_X_FLT(0xf) | TBCR_Y_FLT(0xf));  in pxa930_trkball_config()
106 	write_tbcr(trkball, TBCR_X_FLT(trkball->pdata->x_filter) |  in pxa930_trkball_config()
107 			    TBCR_Y_FLT(trkball->pdata->y_filter));  in pxa930_trkball_config()
110 	tbcr = __raw_readl(trkball->mmio_base + TBCR);  in pxa930_trkball_config()
111 	write_tbcr(trkball, tbcr | TBCR_TBRST);  in pxa930_trkball_config()
112 	write_tbcr(trkball, tbcr & ~TBCR_TBRST);  in pxa930_trkball_config()
114 	__raw_writel(TBSBC_TBSBC, trkball->mmio_base + TBSBC);  in pxa930_trkball_config()
115 	__raw_writel(0, trkball->mmio_base + TBSBC);  in pxa930_trkball_config()
118 		 __raw_readl(trkball->mmio_base + TBCR));  in pxa930_trkball_config()
123 	struct pxa930_trkball *trkball = input_get_drvdata(dev);  in pxa930_trkball_open()  local
125 	pxa930_trkball_config(trkball);  in pxa930_trkball_open()
130 static void pxa930_trkball_disable(struct pxa930_trkball *trkball)  in pxa930_trkball_disable()  argument
132 	uint32_t tbcr = __raw_readl(trkball->mmio_base + TBCR);  in pxa930_trkball_disable()
135 	write_tbcr(trkball, tbcr | TBCR_TBRST);  in pxa930_trkball_disable()
140 	struct pxa930_trkball *trkball = input_get_drvdata(dev);  in pxa930_trkball_close()  local
142 	pxa930_trkball_disable(trkball);  in pxa930_trkball_close()
147 	struct pxa930_trkball *trkball;  in pxa930_trkball_probe()  local
164 	trkball = kzalloc(sizeof(struct pxa930_trkball), GFP_KERNEL);  in pxa930_trkball_probe()
165 	if (!trkball)  in pxa930_trkball_probe()
168 	trkball->pdata = dev_get_platdata(&pdev->dev);  in pxa930_trkball_probe()
169 	if (!trkball->pdata) {  in pxa930_trkball_probe()
175 	trkball->mmio_base = ioremap_nocache(res->start, resource_size(res));  in pxa930_trkball_probe()
176 	if (!trkball->mmio_base) {  in pxa930_trkball_probe()
183 	pxa930_trkball_disable(trkball);  in pxa930_trkball_probe()
186 			    pdev->name, trkball);  in pxa930_trkball_probe()
192 	platform_set_drvdata(pdev, trkball);  in pxa930_trkball_probe()
206 	input_set_drvdata(input, trkball);  in pxa930_trkball_probe()
208 	trkball->input = input;  in pxa930_trkball_probe()
224 	free_irq(irq, trkball);  in pxa930_trkball_probe()
226 	iounmap(trkball->mmio_base);  in pxa930_trkball_probe()
228 	kfree(trkball);  in pxa930_trkball_probe()
234 	struct pxa930_trkball *trkball = platform_get_drvdata(pdev);  in pxa930_trkball_remove()  local
237 	input_unregister_device(trkball->input);  in pxa930_trkball_remove()
238 	free_irq(irq, trkball);  in pxa930_trkball_remove()
239 	iounmap(trkball->mmio_base);  in pxa930_trkball_remove()
240 	kfree(trkball);  in pxa930_trkball_remove()