33 static void clear_sbcr(struct pxa930_rotary *r)  in clear_sbcr()  argument
35 	uint32_t sbcr = __raw_readl(r->mmio_base + SBCR);  in clear_sbcr()
37 	__raw_writel(sbcr | SBCR_ERSB, r->mmio_base + SBCR);  in clear_sbcr()
38 	__raw_writel(sbcr & ~SBCR_ERSB, r->mmio_base + SBCR);  in clear_sbcr()
43 	struct pxa930_rotary *r = dev_id;  in rotary_irq()  local
44 	struct pxa930_rotary_platform_data *pdata = r->pdata;  in rotary_irq()
47 	ercr = __raw_readl(r->mmio_base + ERCR) & 0xf;  in rotary_irq()
48 	clear_sbcr(r);  in rotary_irq()
50 	delta = ercr - r->last_ercr;  in rotary_irq()
54 	r->last_ercr = ercr;  in rotary_irq()
58 		input_report_key(r->input_dev, key, 1);  in rotary_irq()
59 		input_sync(r->input_dev);  in rotary_irq()
60 		input_report_key(r->input_dev, key, 0);  in rotary_irq()
62 		input_report_rel(r->input_dev, pdata->rel_code, delta);  in rotary_irq()
64 	input_sync(r->input_dev);  in rotary_irq()
71 	struct pxa930_rotary *r = input_get_drvdata(dev);  in pxa930_rotary_open()  local
73 	clear_sbcr(r);  in pxa930_rotary_open()
80 	struct pxa930_rotary *r = input_get_drvdata(dev);  in pxa930_rotary_close()  local
82 	clear_sbcr(r);  in pxa930_rotary_close()
88 	struct pxa930_rotary *r;  in pxa930_rotary_probe()  local
111 	r = kzalloc(sizeof(struct pxa930_rotary), GFP_KERNEL);  in pxa930_rotary_probe()
112 	if (!r)  in pxa930_rotary_probe()
115 	r->mmio_base = ioremap_nocache(res->start, resource_size(res));  in pxa930_rotary_probe()
116 	if (r->mmio_base == NULL) {  in pxa930_rotary_probe()
122 	r->pdata = pdata;  in pxa930_rotary_probe()
123 	platform_set_drvdata(pdev, r);  in pxa930_rotary_probe()
148 	r->input_dev = input_dev;  in pxa930_rotary_probe()
149 	input_set_drvdata(input_dev, r);  in pxa930_rotary_probe()
152 			"enhanced rotary", r);  in pxa930_rotary_probe()
167 	free_irq(irq, r);  in pxa930_rotary_probe()
171 	iounmap(r->mmio_base);  in pxa930_rotary_probe()
173 	kfree(r);  in pxa930_rotary_probe()
179 	struct pxa930_rotary *r = platform_get_drvdata(pdev);  in pxa930_rotary_remove()  local
181 	free_irq(platform_get_irq(pdev, 0), r);  in pxa930_rotary_remove()
182 	input_unregister_device(r->input_dev);  in pxa930_rotary_remove()
183 	iounmap(r->mmio_base);  in pxa930_rotary_remove()
185 	kfree(r);  in pxa930_rotary_remove()