Adding upstream version 6.9.7.upstream/6.9.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 350 deletions

diff --git a/drivers/input/mouse/navpoint.c b/drivers/input/mouse/navpoint.c
deleted file mode 100644
index ba757783c2..0000000000
--- a/drivers/input/mouse/navpoint.c
+++ /dev/null
@@ -1,350 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Synaptics NavPoint (PXA27x SSP/SPI) driver.
- *
- * Copyright (C) 2012 Paul Parsons <lost.distance@yahoo.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/gpio/consumer.h>
-#include <linux/input.h>
-#include <linux/input/navpoint.h>
-#include <linux/interrupt.h>
-#include <linux/mutex.h>
-#include <linux/pxa2xx_ssp.h>
-#include <linux/slab.h>
-
-/*
- * Synaptics Modular Embedded Protocol: Module Packet Format.
- * Module header byte 2:0 = Length (# bytes that follow)
- * Module header byte 4:3 = Control
- * Module header byte 7:5 = Module Address
- */
-#define HEADER_LENGTH(byte)	((byte) & 0x07)
-#define HEADER_CONTROL(byte)	(((byte) >> 3) & 0x03)
-#define HEADER_ADDRESS(byte)	((byte) >> 5)
-
-struct navpoint {
-	struct ssp_device	*ssp;
-	struct input_dev	*input;
-	struct device		*dev;
-	struct gpio_desc	*gpiod;
-	int			index;
-	u8			data[1 + HEADER_LENGTH(0xff)];
-};
-
-/*
- * Initialization values for SSCR0_x, SSCR1_x, SSSR_x.
- */
-static const u32 sscr0 = 0
-	| SSCR0_TUM		/* TIM = 1; No TUR interrupts */
-	| SSCR0_RIM		/* RIM = 1; No ROR interrupts */
-	| SSCR0_SSE		/* SSE = 1; SSP enabled */
-	| SSCR0_Motorola	/* FRF = 0; Motorola SPI */
-	| SSCR0_DataSize(16)	/* DSS = 15; Data size = 16-bit */
-	;
-static const u32 sscr1 = 0
-	| SSCR1_SCFR		/* SCFR = 1; SSPSCLK only during transfers */
-	| SSCR1_SCLKDIR		/* SCLKDIR = 1; Slave mode */
-	| SSCR1_SFRMDIR		/* SFRMDIR = 1; Slave mode */
-	| SSCR1_RWOT		/* RWOT = 1; Receive without transmit mode */
-	| SSCR1_RxTresh(1)	/* RFT = 0; Receive FIFO threshold = 1 */
-	| SSCR1_SPH		/* SPH = 1; SSPSCLK inactive 0.5 + 1 cycles */
-	| SSCR1_RIE		/* RIE = 1; Receive FIFO interrupt enabled */
-	;
-static const u32 sssr = 0
-	| SSSR_BCE		/* BCE = 1; Clear BCE */
-	| SSSR_TUR		/* TUR = 1; Clear TUR */
-	| SSSR_EOC		/* EOC = 1; Clear EOC */
-	| SSSR_TINT		/* TINT = 1; Clear TINT */
-	| SSSR_PINT		/* PINT = 1; Clear PINT */
-	| SSSR_ROR		/* ROR = 1; Clear ROR */
-	;
-
-/*
- * MEP Query $22: Touchpad Coordinate Range Query is not supported by
- * the NavPoint module, so sampled values provide the default limits.
- */
-#define NAVPOINT_X_MIN		1278
-#define NAVPOINT_X_MAX		5340
-#define NAVPOINT_Y_MIN		1572
-#define NAVPOINT_Y_MAX		4396
-#define NAVPOINT_PRESSURE_MIN	0
-#define NAVPOINT_PRESSURE_MAX	255
-
-static void navpoint_packet(struct navpoint *navpoint)
-{
-	int finger;
-	int gesture;
-	int x, y, z;
-
-	switch (navpoint->data[0]) {
-	case 0xff:	/* Garbage (packet?) between reset and Hello packet */
-	case 0x00:	/* Module 0, NULL packet */
-		break;
-
-	case 0x0e:	/* Module 0, Absolute packet */
-		finger = (navpoint->data[1] & 0x01);
-		gesture = (navpoint->data[1] & 0x02);
-		x = ((navpoint->data[2] & 0x1f) << 8) | navpoint->data[3];
-		y = ((navpoint->data[4] & 0x1f) << 8) | navpoint->data[5];
-		z = navpoint->data[6];
-		input_report_key(navpoint->input, BTN_TOUCH, finger);
-		input_report_abs(navpoint->input, ABS_X, x);
-		input_report_abs(navpoint->input, ABS_Y, y);
-		input_report_abs(navpoint->input, ABS_PRESSURE, z);
-		input_report_key(navpoint->input, BTN_TOOL_FINGER, finger);
-		input_report_key(navpoint->input, BTN_LEFT, gesture);
-		input_sync(navpoint->input);
-		break;
-
-	case 0x19:	/* Module 0, Hello packet */
-		if ((navpoint->data[1] & 0xf0) == 0x10)
-			break;
-		fallthrough;
-	default:
-		dev_warn(navpoint->dev,
-			 "spurious packet: data=0x%02x,0x%02x,...\n",
-			 navpoint->data[0], navpoint->data[1]);
-		break;
-	}
-}
-
-static irqreturn_t navpoint_irq(int irq, void *dev_id)
-{
-	struct navpoint *navpoint = dev_id;
-	struct ssp_device *ssp = navpoint->ssp;
-	irqreturn_t ret = IRQ_NONE;
-	u32 status;
-
-	status = pxa_ssp_read_reg(ssp, SSSR);
-	if (status & sssr) {
-		dev_warn(navpoint->dev,
-			 "unexpected interrupt: status=0x%08x\n", status);
-		pxa_ssp_write_reg(ssp, SSSR, (status & sssr));
-		ret = IRQ_HANDLED;
-	}
-
-	while (status & SSSR_RNE) {
-		u32 data;
-
-		data = pxa_ssp_read_reg(ssp, SSDR);
-		navpoint->data[navpoint->index + 0] = (data >> 8);
-		navpoint->data[navpoint->index + 1] = data;
-		navpoint->index += 2;
-		if (HEADER_LENGTH(navpoint->data[0]) < navpoint->index) {
-			navpoint_packet(navpoint);
-			navpoint->index = 0;
-		}
-		status = pxa_ssp_read_reg(ssp, SSSR);
-		ret = IRQ_HANDLED;
-	}
-
-	return ret;
-}
-
-static void navpoint_up(struct navpoint *navpoint)
-{
-	struct ssp_device *ssp = navpoint->ssp;
-	int timeout;
-
-	clk_prepare_enable(ssp->clk);
-
-	pxa_ssp_write_reg(ssp, SSCR1, sscr1);
-	pxa_ssp_write_reg(ssp, SSSR, sssr);
-	pxa_ssp_write_reg(ssp, SSTO, 0);
-	pxa_ssp_write_reg(ssp, SSCR0, sscr0);	/* SSCR0_SSE written last */
-
-	/* Wait until SSP port is ready for slave clock operations */
-	for (timeout = 100; timeout != 0; --timeout) {
-		if (!(pxa_ssp_read_reg(ssp, SSSR) & SSSR_CSS))
-			break;
-		msleep(1);
-	}
-
-	if (timeout == 0)
-		dev_err(navpoint->dev,
-			"timeout waiting for SSSR[CSS] to clear\n");
-
-	gpiod_set_value(navpoint->gpiod, 1);
-}
-
-static void navpoint_down(struct navpoint *navpoint)
-{
-	struct ssp_device *ssp = navpoint->ssp;
-
-	gpiod_set_value(navpoint->gpiod, 0);
-
-	pxa_ssp_write_reg(ssp, SSCR0, 0);
-
-	clk_disable_unprepare(ssp->clk);
-}
-
-static int navpoint_open(struct input_dev *input)
-{
-	struct navpoint *navpoint = input_get_drvdata(input);
-
-	navpoint_up(navpoint);
-
-	return 0;
-}
-
-static void navpoint_close(struct input_dev *input)
-{
-	struct navpoint *navpoint = input_get_drvdata(input);
-
-	navpoint_down(navpoint);
-}
-
-static int navpoint_probe(struct platform_device *pdev)
-{
-	const struct navpoint_platform_data *pdata =
-					dev_get_platdata(&pdev->dev);
-	struct ssp_device *ssp;
-	struct input_dev *input;
-	struct navpoint *navpoint;
-	int error;
-
-	if (!pdata) {
-		dev_err(&pdev->dev, "no platform data\n");
-		return -EINVAL;
-	}
-
-	ssp = pxa_ssp_request(pdata->port, pdev->name);
-	if (!ssp)
-		return -ENODEV;
-
-	/* HaRET does not disable devices before jumping into Linux */
-	if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) {
-		pxa_ssp_write_reg(ssp, SSCR0, 0);
-		dev_warn(&pdev->dev, "ssp%d already enabled\n", pdata->port);
-	}
-
-	navpoint = kzalloc(sizeof(*navpoint), GFP_KERNEL);
-	input = input_allocate_device();
-	if (!navpoint || !input) {
-		error = -ENOMEM;
-		goto err_free_mem;
-	}
-
-	navpoint->gpiod = gpiod_get_optional(&pdev->dev,
-					     NULL, GPIOD_OUT_LOW);
-	if (IS_ERR(navpoint->gpiod)) {
-		error = PTR_ERR(navpoint->gpiod);
-		dev_err(&pdev->dev, "error getting GPIO\n");
-		goto err_free_mem;
-	}
-	gpiod_set_consumer_name(navpoint->gpiod, "SYNAPTICS_ON");
-
-	navpoint->ssp = ssp;
-	navpoint->input = input;
-	navpoint->dev = &pdev->dev;
-
-	input->name = pdev->name;
-	input->dev.parent = &pdev->dev;
-
-	__set_bit(EV_KEY, input->evbit);
-	__set_bit(EV_ABS, input->evbit);
-	__set_bit(BTN_LEFT, input->keybit);
-	__set_bit(BTN_TOUCH, input->keybit);
-	__set_bit(BTN_TOOL_FINGER, input->keybit);
-
-	input_set_abs_params(input, ABS_X,
-			     NAVPOINT_X_MIN, NAVPOINT_X_MAX, 0, 0);
-	input_set_abs_params(input, ABS_Y,
-			     NAVPOINT_Y_MIN, NAVPOINT_Y_MAX, 0, 0);
-	input_set_abs_params(input, ABS_PRESSURE,
-			     NAVPOINT_PRESSURE_MIN, NAVPOINT_PRESSURE_MAX,
-			     0, 0);
-
-	input->open = navpoint_open;
-	input->close = navpoint_close;
-
-	input_set_drvdata(input, navpoint);
-
-	error = request_irq(ssp->irq, navpoint_irq, 0, pdev->name, navpoint);
-	if (error)
-		goto err_free_mem;
-
-	error = input_register_device(input);
-	if (error)
-		goto err_free_irq;
-
-	platform_set_drvdata(pdev, navpoint);
-	dev_dbg(&pdev->dev, "ssp%d, irq %d\n", pdata->port, ssp->irq);
-
-	return 0;
-
-err_free_irq:
-	free_irq(ssp->irq, navpoint);
-err_free_mem:
-	input_free_device(input);
-	kfree(navpoint);
-	pxa_ssp_free(ssp);
-
-	return error;
-}
-
-static void navpoint_remove(struct platform_device *pdev)
-{
-	struct navpoint *navpoint = platform_get_drvdata(pdev);
-	struct ssp_device *ssp = navpoint->ssp;
-
-	free_irq(ssp->irq, navpoint);
-
-	input_unregister_device(navpoint->input);
-	kfree(navpoint);
-
-	pxa_ssp_free(ssp);
-}
-
-static int navpoint_suspend(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct navpoint *navpoint = platform_get_drvdata(pdev);
-	struct input_dev *input = navpoint->input;
-
-	mutex_lock(&input->mutex);
-	if (input_device_enabled(input))
-		navpoint_down(navpoint);
-	mutex_unlock(&input->mutex);
-
-	return 0;
-}
-
-static int navpoint_resume(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct navpoint *navpoint = platform_get_drvdata(pdev);
-	struct input_dev *input = navpoint->input;
-
-	mutex_lock(&input->mutex);
-	if (input_device_enabled(input))
-		navpoint_up(navpoint);
-	mutex_unlock(&input->mutex);
-
-	return 0;
-}
-
-static DEFINE_SIMPLE_DEV_PM_OPS(navpoint_pm_ops,
-				navpoint_suspend, navpoint_resume);
-
-static struct platform_driver navpoint_driver = {
-	.probe		= navpoint_probe,
-	.remove_new	= navpoint_remove,
-	.driver = {
-		.name	= "navpoint",
-		.pm	= pm_sleep_ptr(&navpoint_pm_ops),
-	},
-};
-
-module_platform_driver(navpoint_driver);
-
-MODULE_AUTHOR("Paul Parsons <lost.distance@yahoo.com>");
-MODULE_DESCRIPTION("Synaptics NavPoint (PXA27x SSP/SPI) driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:navpoint");