1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/input.h>
20 #include <asm/intel-family.h>
25 #define MSIC_PB_LEVEL	(1 << 3) /* 1 - release, 0 - press */
34 #define BCOVE_PB_LEVEL		(1 << 4)	/* 1 - release, 0 - press */
45 	struct input_dev *input;  member
53 static int mid_pbstat(struct mid_pb_ddata *ddata, int *value)  in mid_pbstat()  argument
55 	struct input_dev *input = ddata->input;  in mid_pbstat()  local
59 	ret = intel_scu_ipc_dev_ioread8(ddata->scu, ddata->pbstat_addr,  in mid_pbstat()
64 	dev_dbg(input->dev.parent, "PB_INT status= %d\n", pbstat);  in mid_pbstat()
66 	*value = !(pbstat & ddata->pbstat_mask);  in mid_pbstat()
72 	return intel_scu_ipc_dev_update(ddata->scu, ddata->mirqlvl1_addr, 0,  in mid_irq_ack()
79 	intel_scu_ipc_dev_update(ddata->scu, BCOVE_PBIRQ, 0, MSIC_PWRBTNM);  in mrfld_setup()
80 	intel_scu_ipc_dev_update(ddata->scu, BCOVE_PBIRQMASK, 0, MSIC_PWRBTNM);  in mrfld_setup()
88 	struct input_dev *input = ddata->input;  in mid_pb_isr()  local
89 	int value = 0;  in mid_pb_isr()  local
92 	ret = mid_pbstat(ddata, &value);  in mid_pb_isr()
94 		dev_err(input->dev.parent,  in mid_pb_isr()
97 		input_event(input, EV_KEY, KEY_POWER, value);  in mid_pb_isr()
98 		input_sync(input);  in mid_pb_isr()
128 	struct input_dev *input;  in mid_pb_probe()  local
134 		return -ENODEV;  in mid_pb_probe()
137 		dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq);  in mid_pb_probe()
141 	input = devm_input_allocate_device(&pdev->dev);  in mid_pb_probe()
142 	if (!input)  in mid_pb_probe()
143 		return -ENOMEM;  in mid_pb_probe()
145 	input->name = pdev->name;  in mid_pb_probe()
146 	input->phys = "power-button/input0";  in mid_pb_probe()
147 	input->id.bustype = BUS_HOST;  in mid_pb_probe()
148 	input->dev.parent = &pdev->dev;  in mid_pb_probe()
150 	input_set_capability(input, EV_KEY, KEY_POWER);  in mid_pb_probe()
152 	ddata = devm_kmemdup(&pdev->dev, (void *)id->driver_data,  in mid_pb_probe()
155 		return -ENOMEM;  in mid_pb_probe()
157 	ddata->dev = &pdev->dev;  in mid_pb_probe()
158 	ddata->irq = irq;  in mid_pb_probe()
159 	ddata->input = input;  in mid_pb_probe()
161 	if (ddata->setup) {  in mid_pb_probe()
162 		error = ddata->setup(ddata);  in mid_pb_probe()
167 	ddata->scu = devm_intel_scu_ipc_dev_get(&pdev->dev);  in mid_pb_probe()
168 	if (!ddata->scu)  in mid_pb_probe()
169 		return -EPROBE_DEFER;  in mid_pb_probe()
171 	error = devm_request_threaded_irq(&pdev->dev, irq, NULL, mid_pb_isr,  in mid_pb_probe()
174 		dev_err(&pdev->dev,  in mid_pb_probe()
179 	error = input_register_device(input);  in mid_pb_probe()
181 		dev_err(&pdev->dev,  in mid_pb_probe()
182 			"Unable to register input dev, error %d\n", error);  in mid_pb_probe()
200 		dev_err(&pdev->dev,  in mid_pb_probe()
206 	device_init_wakeup(&pdev->dev, true);  in mid_pb_probe()
207 	dev_pm_set_wake_irq(&pdev->dev, irq);  in mid_pb_probe()
214 	dev_pm_clear_wake_irq(&pdev->dev);  in mid_pb_remove()
215 	device_init_wakeup(&pdev->dev, false);  in mid_pb_remove()