51 	struct pxa930_trkball *trkball = dev_id;  in pxa930_trkball_interrupt()  local
52 	struct input_dev *input = trkball->input;  in pxa930_trkball_interrupt()
58 	tbcntr = __raw_readl(trkball->mmio_base + TBCNTR);  in pxa930_trkball_interrupt()
60 	if (tbcntr == __raw_readl(trkball->mmio_base + TBCNTR)) {  in pxa930_trkball_interrupt()
69 	__raw_writel(TBSBC_TBSBC, trkball->mmio_base + TBSBC);  in pxa930_trkball_interrupt()
70 	__raw_writel(0, trkball->mmio_base + TBSBC);  in pxa930_trkball_interrupt()
76 static int write_tbcr(struct pxa930_trkball *trkball, int v)  in write_tbcr()  argument
80 	__raw_writel(v, trkball->mmio_base + TBCR);  in write_tbcr()
83 		if (__raw_readl(trkball->mmio_base + TBCR) == v)  in write_tbcr()
96 static void pxa930_trkball_config(struct pxa930_trkball *trkball)  in pxa930_trkball_config()  argument
101 	tbcr = __raw_readl(trkball->mmio_base + TBCR);  in pxa930_trkball_config()
102 	write_tbcr(trkball, tbcr | TBCR_X_FLT(0xf) | TBCR_Y_FLT(0xf));  in pxa930_trkball_config()
103 	write_tbcr(trkball, TBCR_X_FLT(trkball->pdata->x_filter) |  in pxa930_trkball_config()
104 			    TBCR_Y_FLT(trkball->pdata->y_filter));  in pxa930_trkball_config()
107 	tbcr = __raw_readl(trkball->mmio_base + TBCR);  in pxa930_trkball_config()
108 	write_tbcr(trkball, tbcr | TBCR_TBRST);  in pxa930_trkball_config()
109 	write_tbcr(trkball, tbcr & ~TBCR_TBRST);  in pxa930_trkball_config()
111 	__raw_writel(TBSBC_TBSBC, trkball->mmio_base + TBSBC);  in pxa930_trkball_config()
112 	__raw_writel(0, trkball->mmio_base + TBSBC);  in pxa930_trkball_config()
115 		 __raw_readl(trkball->mmio_base + TBCR));  in pxa930_trkball_config()
120 	struct pxa930_trkball *trkball = input_get_drvdata(dev);  in pxa930_trkball_open()  local
122 	pxa930_trkball_config(trkball);  in pxa930_trkball_open()
127 static void pxa930_trkball_disable(struct pxa930_trkball *trkball)  in pxa930_trkball_disable()  argument
129 	uint32_t tbcr = __raw_readl(trkball->mmio_base + TBCR);  in pxa930_trkball_disable()
132 	write_tbcr(trkball, tbcr | TBCR_TBRST);  in pxa930_trkball_disable()
137 	struct pxa930_trkball *trkball = input_get_drvdata(dev);  in pxa930_trkball_close()  local
139 	pxa930_trkball_disable(trkball);  in pxa930_trkball_close()
144 	struct pxa930_trkball *trkball;  in pxa930_trkball_probe()  local
159 	trkball = kzalloc(sizeof(struct pxa930_trkball), GFP_KERNEL);  in pxa930_trkball_probe()
160 	if (!trkball)  in pxa930_trkball_probe()
163 	trkball->pdata = dev_get_platdata(&pdev->dev);  in pxa930_trkball_probe()
164 	if (!trkball->pdata) {  in pxa930_trkball_probe()
170 	trkball->mmio_base = ioremap(res->start, resource_size(res));  in pxa930_trkball_probe()
171 	if (!trkball->mmio_base) {  in pxa930_trkball_probe()
178 	pxa930_trkball_disable(trkball);  in pxa930_trkball_probe()
181 			    pdev->name, trkball);  in pxa930_trkball_probe()
187 	platform_set_drvdata(pdev, trkball);  in pxa930_trkball_probe()
201 	input_set_drvdata(input, trkball);  in pxa930_trkball_probe()
203 	trkball->input = input;  in pxa930_trkball_probe()
219 	free_irq(irq, trkball);  in pxa930_trkball_probe()
221 	iounmap(trkball->mmio_base);  in pxa930_trkball_probe()
223 	kfree(trkball);  in pxa930_trkball_probe()
229 	struct pxa930_trkball *trkball = platform_get_drvdata(pdev);  in pxa930_trkball_remove()  local
232 	input_unregister_device(trkball->input);  in pxa930_trkball_remove()
233 	free_irq(irq, trkball);  in pxa930_trkball_remove()
234 	iounmap(trkball->mmio_base);  in pxa930_trkball_remove()
235 	kfree(trkball);  in pxa930_trkball_remove()