From c0a15a57bda510fac081d536013d16446baf6813 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Mon, 16 Mar 2015 07:41:24 +0000 Subject: sunxi: drop 3.14 support Signed-off-by: John Crispin SVN-Revision: 44824 --- .../170-input-add-sun4i-ts-driver.patch | 341 --------------------- 1 file changed, 341 deletions(-) delete mode 100644 target/linux/sunxi/patches-3.14/170-input-add-sun4i-ts-driver.patch (limited to 'target/linux/sunxi/patches-3.14/170-input-add-sun4i-ts-driver.patch') diff --git a/target/linux/sunxi/patches-3.14/170-input-add-sun4i-ts-driver.patch b/target/linux/sunxi/patches-3.14/170-input-add-sun4i-ts-driver.patch deleted file mode 100644 index bde35b1f12..0000000000 --- a/target/linux/sunxi/patches-3.14/170-input-add-sun4i-ts-driver.patch +++ /dev/null @@ -1,341 +0,0 @@ -From afbd58e1b1219cbcbe2cc07273fc51f658891e9b Mon Sep 17 00:00:00 2001 -From: Hans de Goede -Date: Mon, 23 Dec 2013 16:21:02 +0100 -Subject: [PATCH] input: Add new sun4i-ts driver for Allwinner sunxi SoC's rtp - controller - -Note the sun4i-ts controller is capable of detecting a second touch, but when -a second touch is present then the accuracy becomes so bad the reported touch -location is not useable. - -The original android driver contains some complicated heuristics using the -aprox. distance between the 2 touches to see if the user is making a pinch -open / close movement, and then reports emulated multi-touch events around -the last touch coordinate (as the dual-touch coordinates are worthless). - -These kinds of heuristics are just asking for trouble (and don't belong -in the kernel). So this driver offers straight forward, reliable single -touch functionality only. - -Signed-off-by: Hans de Goede ---- - .../bindings/input/touchscreen/sun4i.txt | 15 ++ - drivers/input/touchscreen/Kconfig | 10 + - drivers/input/touchscreen/Makefile | 1 + - drivers/input/touchscreen/sun4i-ts.c | 262 +++++++++++++++++++++ - 4 files changed, 288 insertions(+) - create mode 100644 Documentation/devicetree/bindings/input/touchscreen/sun4i.txt - create mode 100644 drivers/input/touchscreen/sun4i-ts.c - ---- /dev/null -+++ b/Documentation/devicetree/bindings/input/touchscreen/sun4i.txt -@@ -0,0 +1,15 @@ -+sun4i resistive touchscreen controller -+-------------------------------------- -+ -+Required properties: -+ - compatible: "allwinner,sun4i-ts" -+ - reg: mmio address range of the chip -+ - interrupts: interrupt to which the chip is connected -+ -+Example: -+ -+ rtp: rtp@01c25000 { -+ compatible = "allwinner,sun4i-ts"; -+ reg = <0x01c25000 0x100>; -+ interrupts = <29>; -+ }; ---- a/drivers/input/touchscreen/Kconfig -+++ b/drivers/input/touchscreen/Kconfig -@@ -906,6 +906,16 @@ config TOUCHSCREEN_STMPE - To compile this driver as a module, choose M here: the - module will be called stmpe-ts. - -+config TOUCHSCREEN_SUN4I -+ tristate "Allwinner sun4i resistive touchscreen controller support" -+ depends on ARCH_SUNXI -+ help -+ This selects support for the resistive touchscreen controller -+ found on Allwinner sunxi SoCs. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called sun4i-ts. -+ - config TOUCHSCREEN_SUR40 - tristate "Samsung SUR40 (Surface 2.0/PixelSense) touchscreen" - depends on USB ---- a/drivers/input/touchscreen/Makefile -+++ b/drivers/input/touchscreen/Makefile -@@ -54,6 +54,7 @@ obj-$(CONFIG_TOUCHSCREEN_PIXCIR) += pixc - obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o - obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o - obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o -+obj-$(CONFIG_TOUCHSCREEN_SUN4I) += sun4i-ts.o - obj-$(CONFIG_TOUCHSCREEN_SUR40) += sur40.o - obj-$(CONFIG_TOUCHSCREEN_TI_AM335X_TSC) += ti_am335x_tsc.o - obj-$(CONFIG_TOUCHSCREEN_TNETV107X) += tnetv107x-ts.o ---- /dev/null -+++ b/drivers/input/touchscreen/sun4i-ts.c -@@ -0,0 +1,262 @@ -+/* -+ * Allwinner sunxi resistive touchscreen controller driver -+ * -+ * Copyright (C) 2013 - 2014 Hans de Goede -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ */ -+ -+/* -+ * The sun4i-ts controller is capable of detecting a second touch, but when a -+ * second touch is present then the accuracy becomes so bad the reported touch -+ * location is not useable. -+ * -+ * The original android driver contains some complicated heuristics using the -+ * aprox. distance between the 2 touches to see if the user is making a pinch -+ * open / close movement, and then reports emulated multi-touch events around -+ * the last touch coordinate (as the dual-touch coordinates are worthless). -+ * -+ * These kinds of heuristics are just asking for trouble (and don't belong -+ * in the kernel). So this driver offers straight forward, reliable single -+ * touch functionality only. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#define TP_CTRL0 0x00 -+#define TP_CTRL1 0x04 -+#define TP_CTRL2 0x08 -+#define TP_CTRL3 0x0c -+#define TP_INT_FIFOC 0x10 -+#define TP_INT_FIFOS 0x14 -+#define TP_TPR 0x18 -+#define TP_CDAT 0x1c -+#define TEMP_DATA 0x20 -+#define TP_DATA 0x24 -+ -+/* TP_CTRL0 bits */ -+#define ADC_FIRST_DLY(x) ((x) << 24) /* 8 bits */ -+#define ADC_FIRST_DLY_MODE(x) ((x) << 23) -+#define ADC_CLK_SEL(x) ((x) << 22) -+#define ADC_CLK_DIV(x) ((x) << 20) /* 3 bits */ -+#define FS_DIV(x) ((x) << 16) /* 4 bits */ -+#define T_ACQ(x) ((x) << 0) /* 16 bits */ -+ -+/* TP_CTRL1 bits */ -+#define STYLUS_UP_DEBOUN(x) ((x) << 12) /* 8 bits */ -+#define STYLUS_UP_DEBOUN_EN(x) ((x) << 9) -+#define TOUCH_PAN_CALI_EN(x) ((x) << 6) -+#define TP_DUAL_EN(x) ((x) << 5) -+#define TP_MODE_EN(x) ((x) << 4) -+#define TP_ADC_SELECT(x) ((x) << 3) -+#define ADC_CHAN_SELECT(x) ((x) << 0) /* 3 bits */ -+ -+/* TP_CTRL2 bits */ -+#define TP_SENSITIVE_ADJUST(x) ((x) << 28) /* 4 bits */ -+#define TP_MODE_SELECT(x) ((x) << 26) /* 2 bits */ -+#define PRE_MEA_EN(x) ((x) << 24) -+#define PRE_MEA_THRE_CNT(x) ((x) << 0) /* 24 bits */ -+ -+/* TP_CTRL3 bits */ -+#define FILTER_EN(x) ((x) << 2) -+#define FILTER_TYPE(x) ((x) << 0) /* 2 bits */ -+ -+/* TP_INT_FIFOC irq and fifo mask / control bits */ -+#define TEMP_IRQ_EN(x) ((x) << 18) -+#define OVERRUN_IRQ_EN(x) ((x) << 17) -+#define DATA_IRQ_EN(x) ((x) << 16) -+#define TP_DATA_XY_CHANGE(x) ((x) << 13) -+#define FIFO_TRIG(x) ((x) << 8) /* 5 bits */ -+#define DATA_DRQ_EN(x) ((x) << 7) -+#define FIFO_FLUSH(x) ((x) << 4) -+#define TP_UP_IRQ_EN(x) ((x) << 1) -+#define TP_DOWN_IRQ_EN(x) ((x) << 0) -+ -+/* TP_INT_FIFOS irq and fifo status bits */ -+#define TEMP_DATA_PENDING BIT(18) -+#define FIFO_OVERRUN_PENDING BIT(17) -+#define FIFO_DATA_PENDING BIT(16) -+#define TP_IDLE_FLG BIT(2) -+#define TP_UP_PENDING BIT(1) -+#define TP_DOWN_PENDING BIT(0) -+ -+/* TP_TPR bits */ -+#define TEMP_ENABLE(x) ((x) << 16) -+#define TEMP_PERIOD(x) ((x) << 0) /* t = x * 256 * 16 / clkin */ -+ -+struct sun4i_ts_data { -+ struct device *dev; -+ struct input_dev *input; -+ void __iomem *base; -+ unsigned int irq; -+ bool ignore_fifo_data; -+}; -+ -+static irqreturn_t sun4i_ts_irq(int irq, void *dev_id) -+{ -+ struct sun4i_ts_data *ts = dev_id; -+ u32 reg_val, x, y; -+ -+ reg_val = readl(ts->base + TP_INT_FIFOS); -+ -+ if (reg_val & FIFO_DATA_PENDING) { -+ x = readl(ts->base + TP_DATA); -+ y = readl(ts->base + TP_DATA); -+ /* The 1st location reported after an up event is unreliable */ -+ if (!ts->ignore_fifo_data) { -+ input_report_abs(ts->input, ABS_X, x); -+ input_report_abs(ts->input, ABS_Y, y); -+ /* -+ * The hardware has a separate down status bit, but -+ * that gets set before we get the first location, -+ * resulting in reporting a click on the old location. -+ */ -+ input_report_key(ts->input, BTN_TOUCH, 1); -+ input_sync(ts->input); -+ } else { -+ ts->ignore_fifo_data = false; -+ } -+ } -+ -+ if (reg_val & TP_UP_PENDING) { -+ ts->ignore_fifo_data = true; -+ input_report_key(ts->input, BTN_TOUCH, 0); -+ input_sync(ts->input); -+ } -+ -+ writel(reg_val, ts->base + TP_INT_FIFOS); -+ -+ return IRQ_HANDLED; -+} -+ -+static int sun4i_ts_open(struct input_dev *dev) -+{ -+ struct sun4i_ts_data *ts = input_get_drvdata(dev); -+ -+ /* Flush, set trig level to 1, enable data and up irqs */ -+ writel(DATA_IRQ_EN(1) | FIFO_TRIG(1) | FIFO_FLUSH(1) | TP_UP_IRQ_EN(1), -+ ts->base + TP_INT_FIFOC); -+ -+ return 0; -+} -+ -+static void sun4i_ts_close(struct input_dev *dev) -+{ -+ struct sun4i_ts_data *ts = input_get_drvdata(dev); -+ -+ /* Deactivate all IRQs */ -+ writel(0, ts->base + TP_INT_FIFOC); -+} -+ -+static int sun4i_ts_probe(struct platform_device *pdev) -+{ -+ struct sun4i_ts_data *ts; -+ struct device *dev = &pdev->dev; -+ int ret; -+ -+ ts = devm_kzalloc(dev, sizeof(struct sun4i_ts_data), GFP_KERNEL); -+ if (!ts) -+ return -ENOMEM; -+ -+ ts->dev = dev; -+ ts->ignore_fifo_data = true; -+ -+ ts->input = devm_input_allocate_device(dev); -+ if (!ts->input) -+ return -ENOMEM; -+ -+ ts->input->name = pdev->name; -+ ts->input->phys = "sun4i_ts/input0"; -+ ts->input->open = sun4i_ts_open; -+ ts->input->close = sun4i_ts_close; -+ ts->input->id.bustype = BUS_HOST; -+ ts->input->id.vendor = 0x0001; -+ ts->input->id.product = 0x0001; -+ ts->input->id.version = 0x0100; -+ ts->input->evbit[0] = BIT(EV_SYN) | BIT(EV_KEY) | BIT(EV_ABS); -+ set_bit(BTN_TOUCH, ts->input->keybit); -+ input_set_abs_params(ts->input, ABS_X, 0, 4095, 0, 0); -+ input_set_abs_params(ts->input, ABS_Y, 0, 4095, 0, 0); -+ input_set_drvdata(ts->input, ts); -+ -+ ts->base = devm_ioremap_resource(dev, -+ platform_get_resource(pdev, IORESOURCE_MEM, 0)); -+ if (IS_ERR(ts->base)) -+ return PTR_ERR(ts->base); -+ -+ ts->irq = platform_get_irq(pdev, 0); -+ ret = devm_request_irq(dev, ts->irq, sun4i_ts_irq, 0, "sun4i-ts", ts); -+ if (ret) -+ return ret; -+ -+ /* -+ * Select HOSC clk, clkin = clk / 6, adc samplefreq = clkin / 8192, -+ * t_acq = clkin / (16 * 64) -+ */ -+ writel(ADC_CLK_SEL(0) | ADC_CLK_DIV(2) | FS_DIV(7) | T_ACQ(63), -+ ts->base + TP_CTRL0); -+ -+ /* -+ * sensitive_adjust = 15 : max, which is not all that sensitive, -+ * tp_mode = 0 : only x and y coordinates, as we don't use dual touch -+ */ -+ writel(TP_SENSITIVE_ADJUST(15) | TP_MODE_SELECT(0), -+ ts->base + TP_CTRL2); -+ -+ /* Enable median filter, type 1 : 5/3 */ -+ writel(FILTER_EN(1) | FILTER_TYPE(1), ts->base + TP_CTRL3); -+ -+ /* Enable temperature measurement, period 1953 (2 seconds) */ -+ writel(TEMP_ENABLE(1) | TEMP_PERIOD(1953), ts->base + TP_TPR); -+ -+ /* -+ * Set stylus up debounce to aprox 10 ms, enable debounce, and -+ * finally enable tp mode. -+ */ -+ writel(STYLUS_UP_DEBOUN(5) | STYLUS_UP_DEBOUN_EN(1) | TP_MODE_EN(1), -+ ts->base + TP_CTRL1); -+ -+ ret = input_register_device(ts->input); -+ if (ret) -+ return ret; -+ -+ platform_set_drvdata(pdev, ts); -+ return 0; -+} -+ -+static const struct of_device_id sun4i_ts_of_match[] = { -+ { .compatible = "allwinner,sun4i-ts", }, -+ { /* sentinel */ } -+}; -+MODULE_DEVICE_TABLE(of, sun4i_ts_of_match); -+ -+static struct platform_driver sun4i_ts_driver = { -+ .driver = { -+ .owner = THIS_MODULE, -+ .name = "sun4i-ts", -+ .of_match_table = of_match_ptr(sun4i_ts_of_match), -+ }, -+ .probe = sun4i_ts_probe, -+}; -+ -+module_platform_driver(sun4i_ts_driver); -+ -+MODULE_DESCRIPTION("Allwinner sun4i resistive touchscreen controller driver"); -+MODULE_AUTHOR("Hans de Goede "); -+MODULE_LICENSE("GPL"); -- cgit v1.2.3