67 static unsigned long timer16_get_counter(struct timer16_priv *p)  in timer16_get_counter()  argument
72 	o1 = ctrl_inb(p->mapcommon + TISRC) & p->ovf;  in timer16_get_counter()
77 		v1 = ctrl_inw(p->mapbase + TCNT);  in timer16_get_counter()
78 		v2 = ctrl_inw(p->mapbase + TCNT);  in timer16_get_counter()
79 		v3 = ctrl_inw(p->mapbase + TCNT);  in timer16_get_counter()
80 		o1 = ctrl_inb(p->mapcommon + TISRC) & p->ovf;  in timer16_get_counter()
91 	struct timer16_priv *p = (struct timer16_priv *)dev_id;  in timer16_interrupt()  local
93 	ctrl_outb(ctrl_inb(p->mapcommon + TISRA) & ~p->imfa,  in timer16_interrupt()
94 		  p->mapcommon + TISRA);  in timer16_interrupt()
95 	p->total_cycles += 0x10000;  in timer16_interrupt()
107 	struct timer16_priv *p = cs_to_priv(cs);  in timer16_clocksource_read()  local
111 	raw_spin_lock_irqsave(&p->lock, flags);  in timer16_clocksource_read()
112 	value = p->total_cycles;  in timer16_clocksource_read()
113 	raw = timer16_get_counter(p);  in timer16_clocksource_read()
114 	raw_spin_unlock_irqrestore(&p->lock, flags);  in timer16_clocksource_read()
121 	struct timer16_priv *p = cs_to_priv(cs);  in timer16_enable()  local
123 	WARN_ON(p->cs_enabled);  in timer16_enable()
125 	p->total_cycles = 0;  in timer16_enable()
126 	ctrl_outw(0x0000, p->mapbase + TCNT);  in timer16_enable()
127 	ctrl_outb(0x83, p->mapbase + TCR);  in timer16_enable()
128 	ctrl_outb(ctrl_inb(p->mapcommon + TSTR) | p->enb,  in timer16_enable()
129 		  p->mapcommon + TSTR);  in timer16_enable()
131 	p->cs_enabled = true;  in timer16_enable()
137 	struct timer16_priv *p = cs_to_priv(cs);  in timer16_disable()  local
139 	WARN_ON(!p->cs_enabled);  in timer16_disable()
141 	ctrl_outb(ctrl_inb(p->mapcommon + TSTR) & ~p->enb,  in timer16_disable()
142 		  p->mapcommon + TSTR);  in timer16_disable()
144 	p->cs_enabled = false;  in timer16_disable()
150 static int timer16_setup(struct timer16_priv *p, struct platform_device *pdev)  in timer16_setup()  argument
156 	p->pdev = pdev;  in timer16_setup()
158 	res[REG_CH] = platform_get_resource(p->pdev,  in timer16_setup()
160 	res[REG_COMM] = platform_get_resource(p->pdev,  in timer16_setup()
163 		dev_err(&p->pdev->dev, "failed to get I/O memory\n");  in timer16_setup()
166 	irq = platform_get_irq(p->pdev, 0);  in timer16_setup()
168 		dev_err(&p->pdev->dev, "failed to get irq\n");  in timer16_setup()
172 	p->clk = clk_get(&p->pdev->dev, "fck");  in timer16_setup()
173 	if (IS_ERR(p->clk)) {  in timer16_setup()
174 		dev_err(&p->pdev->dev, "can't get clk\n");  in timer16_setup()
175 		return PTR_ERR(p->clk);  in timer16_setup()
177 	of_property_read_u32(p->pdev->dev.of_node, "renesas,channel", &ch);  in timer16_setup()
179 	p->pdev = pdev;  in timer16_setup()
180 	p->mapbase = res[REG_CH]->start;  in timer16_setup()
181 	p->mapcommon = res[REG_COMM]->start;  in timer16_setup()
182 	p->enb = 1 << ch;  in timer16_setup()
183 	p->imfa = 1 << ch;  in timer16_setup()
184 	p->imiea = 1 << (4 + ch);  in timer16_setup()
185 	p->cs.name = pdev->name;  in timer16_setup()
186 	p->cs.rating = 200;  in timer16_setup()
187 	p->cs.read = timer16_clocksource_read;  in timer16_setup()
188 	p->cs.enable = timer16_enable;  in timer16_setup()
189 	p->cs.disable = timer16_disable;  in timer16_setup()
190 	p->cs.mask = CLOCKSOURCE_MASK(sizeof(unsigned long) * 8);  in timer16_setup()
191 	p->cs.flags = CLOCK_SOURCE_IS_CONTINUOUS;  in timer16_setup()
194 			  IRQF_TIMER, pdev->name, p);  in timer16_setup()
196 		dev_err(&p->pdev->dev, "failed to request irq %d\n", irq);  in timer16_setup()
200 	clocksource_register_hz(&p->cs, clk_get_rate(p->clk) / 8);  in timer16_setup()
207 	struct timer16_priv *p = platform_get_drvdata(pdev);  in timer16_probe()  local
209 	if (p) {  in timer16_probe()
214 	p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);  in timer16_probe()
215 	if (!p)  in timer16_probe()
218 	return timer16_setup(p, pdev);  in timer16_probe()