18 #include <linux/amba/kmi.h>
24 #define KMI_BASE	(kmi->base)
37 	struct amba_kmi_port *kmi = dev_id;  in amba_kmi_int()  local
42 		serio_interrupt(kmi->io, readb(KMIDATA), 0);  in amba_kmi_int()
52 	struct amba_kmi_port *kmi = io->port_data;  in amba_kmi_write()  local
66 	struct amba_kmi_port *kmi = io->port_data;  in amba_kmi_open()  local
70 	ret = clk_prepare_enable(kmi->clk);  in amba_kmi_open()
74 	divisor = clk_get_rate(kmi->clk) / 8000000 - 1;  in amba_kmi_open()
78 	ret = request_irq(kmi->irq, amba_kmi_int, IRQF_SHARED, "kmi-pl050",  in amba_kmi_open()
79 			  kmi);  in amba_kmi_open()
81 		printk(KERN_ERR "kmi: failed to claim IRQ%d\n", kmi->irq);  in amba_kmi_open()
91 	clk_disable_unprepare(kmi->clk);  in amba_kmi_open()
98 	struct amba_kmi_port *kmi = io->port_data;  in amba_kmi_close()  local
102 	free_irq(kmi->irq, kmi);  in amba_kmi_close()
103 	clk_disable_unprepare(kmi->clk);  in amba_kmi_close()
109 	struct amba_kmi_port *kmi;  in amba_kmi_probe()  local
117 	kmi = kzalloc(sizeof(*kmi), GFP_KERNEL);  in amba_kmi_probe()
119 	if (!kmi || !io) {  in amba_kmi_probe()
131 	io->port_data	= kmi;  in amba_kmi_probe()
134 	kmi->io		= io;  in amba_kmi_probe()
135 	kmi->base	= ioremap(dev->res.start, resource_size(&dev->res));  in amba_kmi_probe()
136 	if (!kmi->base) {  in amba_kmi_probe()
141 	kmi->clk = clk_get(&dev->dev, "KMIREFCLK");  in amba_kmi_probe()
142 	if (IS_ERR(kmi->clk)) {  in amba_kmi_probe()
143 		ret = PTR_ERR(kmi->clk);  in amba_kmi_probe()
147 	kmi->irq = dev->irq[0];  in amba_kmi_probe()
148 	amba_set_drvdata(dev, kmi);  in amba_kmi_probe()
150 	serio_register_port(kmi->io);  in amba_kmi_probe()
154 	iounmap(kmi->base);  in amba_kmi_probe()
156 	kfree(kmi);  in amba_kmi_probe()
164 	struct amba_kmi_port *kmi = amba_get_drvdata(dev);  in amba_kmi_remove()  local
166 	serio_unregister_port(kmi->io);  in amba_kmi_remove()
167 	clk_put(kmi->clk);  in amba_kmi_remove()
168 	iounmap(kmi->base);  in amba_kmi_remove()
169 	kfree(kmi);  in amba_kmi_remove()
175 	struct amba_kmi_port *kmi = dev_get_drvdata(dev);  in amba_kmi_resume()  local
178 	serio_reconnect(kmi->io);  in amba_kmi_resume()
197 		.name	= "kmi-pl050",
208 MODULE_DESCRIPTION("AMBA KMI controller driver");