diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-27 15:01:35 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-05-27 15:01:35 +0000 |
commit | 1ee6958324f44923ed309d2fa911fc432f514694 (patch) | |
tree | ec5ccc0121d0adc7430a0f6bd4a111dd5ab6e331 /target/linux/xburst/patches-2.6.37/061-touchscreen.patch | |
parent | 287550be2067ed412d4ce7148585c113fab125b8 (diff) |
xburst: remove support for old kernels
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31904 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/xburst/patches-2.6.37/061-touchscreen.patch')
-rw-r--r-- | target/linux/xburst/patches-2.6.37/061-touchscreen.patch | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/target/linux/xburst/patches-2.6.37/061-touchscreen.patch b/target/linux/xburst/patches-2.6.37/061-touchscreen.patch deleted file mode 100644 index 9145f8fbd..000000000 --- a/target/linux/xburst/patches-2.6.37/061-touchscreen.patch +++ /dev/null @@ -1,379 +0,0 @@ -From d231cea1dca0c1b04d11cbf996077cf59612e3c4 Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Sun, 5 Sep 2010 20:45:08 +0200 -Subject: [PATCH 14/23] input: Add touchscreen driver for the JZ4740 SoC - -This patch adds a touchscreen driver for the Ingenic JZ4740 SoC. -The touchscreen controller is part of the ADC unit and thus this driver is a mfd -cell from the jz4740-adc driver. - -Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> ---- - drivers/input/touchscreen/Kconfig | 12 ++ - drivers/input/touchscreen/Makefile | 1 + - drivers/input/touchscreen/jz4740-ts.c | 330 +++++++++++++++++++++++++++++++++ - 3 files changed, 343 insertions(+), 0 deletions(-) - create mode 100644 drivers/input/touchscreen/jz4740-ts.c - ---- a/drivers/input/touchscreen/Kconfig -+++ b/drivers/input/touchscreen/Kconfig -@@ -681,4 +681,16 @@ config TOUCHSCREEN_STMPE - To compile this driver as a module, choose M here: the - module will be called stmpe-ts. - -+config TOUCHSCREEN_JZ4740 -+ tristate "JZ4740 touchscreen support" -+ depends on MFD_JZ4740_ADC -+ help -+ Say Y here if you want support for the touchscreen controller found on -+ Ingenic JZ4740 SoCs. -+ -+ If unsure, say N. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called jz4740-ts. -+ - endif ---- a/drivers/input/touchscreen/Makefile -+++ b/drivers/input/touchscreen/Makefile -@@ -26,6 +26,7 @@ obj-$(CONFIG_TOUCHSCREEN_FUJITSU) += fuj - obj-$(CONFIG_TOUCHSCREEN_INEXIO) += inexio.o - obj-$(CONFIG_TOUCHSCREEN_INTEL_MID) += intel-mid-touch.o - obj-$(CONFIG_TOUCHSCREEN_LPC32XX) += lpc32xx_ts.o -+obj-$(CONFIG_TOUCHSCREEN_JZ4740) += jz4740-ts.o - obj-$(CONFIG_TOUCHSCREEN_MC13783) += mc13783_ts.o - obj-$(CONFIG_TOUCHSCREEN_MCS5000) += mcs5000_ts.o - obj-$(CONFIG_TOUCHSCREEN_MIGOR) += migor_ts.o ---- /dev/null -+++ b/drivers/input/touchscreen/jz4740-ts.c -@@ -0,0 +1,330 @@ -+/* -+ * Touchscreen driver for Ingenic JZ SoCs. -+ * -+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ * -+ */ -+ -+#include <linux/interrupt.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/slab.h> -+ -+#include <linux/delay.h> -+#include <linux/mfd/core.h> -+#include <linux/input.h> -+#include <linux/bitops.h> -+#include <linux/jz4740-adc.h> -+ -+struct jz4740_ts { -+ struct platform_device *pdev; -+ -+ struct resource *mem; -+ void __iomem *base; -+ -+ int irq_penup; -+ int irq_pendown; -+ int irq_data_ready; -+ -+ struct mfd_cell *cell; -+ struct input_dev *input; -+ -+ bool is_open; -+}; -+ -+static irqreturn_t jz4740_ts_data_ready_irq_handler(int irq, void *devid) -+{ -+ struct jz4740_ts *jz4740_ts = devid; -+ uint32_t data; -+ unsigned long x, y, z1, z2, pressure; -+ -+ data = readl(jz4740_ts->base + 0x08); -+ x = data & 0xfff; -+ y = (data >> 16) & 0xfff; -+ -+ data = readl(jz4740_ts->base + 0x08); -+ z1 = data & 0xfff; -+ z2 = (data >> 16) & 0xfff; -+ if (z1 == 0) { -+ pressure = 4095UL; -+ } else if (z1 > z2) { -+ pressure = 0; -+ } else { -+ if (data & 0x8000) -+ pressure = (((480UL * x * z2) / z1) - 480UL * x) / 4096UL; -+ else -+ pressure = (((272UL * y * z2) / z1) - 272UL * y) / 4096UL; -+ if (pressure >= 4096UL) -+ pressure = 4095UL; -+ pressure = 4095UL - pressure; -+ } -+ -+ input_report_abs(jz4740_ts->input, ABS_X, y); -+ input_report_abs(jz4740_ts->input, ABS_Y, 4095 - x); -+ input_report_abs(jz4740_ts->input, ABS_PRESSURE, pressure); -+ input_report_key(jz4740_ts->input, BTN_TOUCH, 1); -+ input_sync(jz4740_ts->input); -+ -+ return IRQ_HANDLED; -+} -+ -+static irqreturn_t jz4740_ts_pen_irq_handler(int irq, void *devid) -+{ -+ struct jz4740_ts *jz4740_ts = devid; -+ int is_pressed; -+ -+ if (irq == jz4740_ts->irq_penup) { -+ enable_irq(jz4740_ts->irq_pendown); -+ is_pressed = 0; -+ } else { -+ enable_irq(jz4740_ts->irq_penup); -+ is_pressed = 1; -+ } -+ disable_irq_nosync(irq); -+ -+ printk("pen irq: %d\n", irq); -+ input_report_key(jz4740_ts->input, BTN_TOUCH, is_pressed); -+ if (is_pressed == 0) -+ input_report_abs(jz4740_ts->input, ABS_PRESSURE, 0); -+ input_sync(jz4740_ts->input); -+ -+ return IRQ_HANDLED; -+} -+ -+static int jz4740_ts_open(struct input_dev *input) -+{ -+ struct jz4740_ts *jz4740_ts = input_get_drvdata(input); -+ -+ jz4740_ts->is_open = true; -+ jz4740_ts->cell->enable(jz4740_ts->pdev); -+ -+ return 0; -+} -+ -+static void jz4740_ts_close(struct input_dev *input) -+{ -+ struct jz4740_ts *jz4740_ts = input_get_drvdata(input); -+ -+ jz4740_ts->cell->disable(jz4740_ts->pdev); -+ jz4740_ts->is_open = false; -+} -+ -+static int __devinit jz4740_ts_probe(struct platform_device *pdev) -+{ -+ int ret = 0; -+ struct jz4740_ts *jz4740_ts; -+ struct input_dev *input; -+ -+ jz4740_ts = kzalloc(sizeof(*jz4740_ts), GFP_KERNEL); -+ if (!jz4740_ts) { -+ dev_err(&pdev->dev, "Failed to allocate driver structure\n"); -+ return -ENOMEM; -+ } -+ -+ jz4740_ts->pdev = pdev; -+ jz4740_ts->cell = pdev->dev.platform_data; -+ -+ jz4740_ts->irq_data_ready = platform_get_irq(pdev, 0); -+ if (jz4740_ts->irq_data_ready < 0) { -+ ret = jz4740_ts->irq_data_ready; -+ dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret); -+ goto err_free; -+ } -+ -+ jz4740_ts->irq_penup = platform_get_irq(pdev, 1); -+ if (jz4740_ts->irq_penup < 0) { -+ ret = jz4740_ts->irq_penup; -+ dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret); -+ goto err_free; -+ } -+ -+ jz4740_ts->irq_pendown = platform_get_irq(pdev, 2); -+ if (jz4740_ts->irq_pendown < 0) { -+ ret = jz4740_ts->irq_pendown; -+ dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret); -+ goto err_free; -+ } -+ -+ jz4740_ts->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!jz4740_ts->mem) { -+ ret = -ENOENT; -+ dev_err(&pdev->dev, "Failed to get platform mmio resource\n"); -+ goto err_free; -+ } -+ -+ jz4740_ts->mem = request_mem_region(jz4740_ts->mem->start, -+ resource_size(jz4740_ts->mem), pdev->name); -+ if (!jz4740_ts->mem) { -+ ret = -EBUSY; -+ dev_err(&pdev->dev, "Failed to request mmio memory region\n"); -+ goto err_free; -+ } -+ -+ jz4740_ts->base = ioremap_nocache(jz4740_ts->mem->start, -+ resource_size(jz4740_ts->mem)); -+ if (!jz4740_ts->base) { -+ ret = -EBUSY; -+ dev_err(&pdev->dev, "Failed to ioremap mmio memory\n"); -+ goto err_release_mem_region; -+ } -+ -+ input = input_allocate_device(); -+ if (!input) { -+ dev_err(&pdev->dev, "Failed to allocate input device\n"); -+ ret = -ENOMEM; -+ goto err_iounmap; -+ } -+ -+ input->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); -+ __set_bit(BTN_TOUCH, input->keybit); -+ -+ input_set_abs_params(input, ABS_X, 150, 3920, 0, 0); -+ input_set_abs_params(input, ABS_Y, 270, 3700, 0, 0); -+ input_set_abs_params(input, ABS_PRESSURE, 0, 4096, 0, 0); -+ -+ input->name = pdev->name; -+ input->phys = "jz4740"; -+ input->id.bustype = BUS_HOST; -+ input->dev.parent = &pdev->dev; -+ -+ input->open = jz4740_ts_open; -+ input->close = jz4740_ts_close; -+ -+ input_set_drvdata(input, jz4740_ts); -+ -+ ret = input_register_device(input); -+ if (ret) { -+ dev_err(&pdev->dev, "Failed to register input device: %d\n", ret); -+ input_free_device(input); -+ goto err_iounmap; -+ } -+ jz4740_ts->input = input; -+ -+ ret = request_irq(jz4740_ts->irq_data_ready, jz4740_ts_data_ready_irq_handler, 0, pdev->name, -+ jz4740_ts); -+ if (ret) { -+ dev_err(&pdev->dev, "Failed to request irq %d\n", ret); -+ goto err_input_unregister_device; -+ } -+ ret = request_irq(jz4740_ts->irq_penup, jz4740_ts_pen_irq_handler, 0, pdev->name, -+ jz4740_ts); -+ if (ret) { -+ dev_err(&pdev->dev, "Failed to request irq %d\n", ret); -+ goto err_free_irq_data_ready; -+ } -+ disable_irq(jz4740_ts->irq_penup); -+ ret = request_irq(jz4740_ts->irq_pendown, jz4740_ts_pen_irq_handler, 0, pdev->name, -+ jz4740_ts); -+ if (ret) { -+ dev_err(&pdev->dev, "Failed to request irq %d\n", ret); -+ goto err_free_irq_penup; -+ } -+ platform_set_drvdata(pdev, jz4740_ts); -+ -+ jz4740_adc_set_config(pdev->dev.parent, -+ JZ_ADC_CONFIG_EX_IN | JZ_ADC_CONFIG_XYZ_OFFSET(2) | JZ_ADC_CONFIG_DNUM(7), -+ JZ_ADC_CONFIG_EX_IN | JZ_ADC_CONFIG_XYZ_MASK | JZ_ADC_CONFIG_DNUM_MASK); -+ -+ -+ writel(0x15e, jz4740_ts->base); -+ writel(0x32, jz4740_ts->base + 0x04); -+ -+ return 0; -+ -+err_free_irq_penup: -+ free_irq(jz4740_ts->irq_penup, jz4740_ts); -+err_free_irq_data_ready: -+ free_irq(jz4740_ts->irq_data_ready, jz4740_ts); -+err_input_unregister_device: -+ input_unregister_device(jz4740_ts->input); -+err_iounmap: -+ platform_set_drvdata(pdev, NULL); -+ iounmap(jz4740_ts->base); -+err_release_mem_region: -+ release_mem_region(jz4740_ts->mem->start, resource_size(jz4740_ts->mem)); -+err_free: -+ kfree(jz4740_ts); -+ return ret; -+} -+ -+static int __devexit jz4740_ts_remove(struct platform_device *pdev) -+{ -+ struct jz4740_ts *jz4740_ts = platform_get_drvdata(pdev); -+ -+ -+ free_irq(jz4740_ts->irq_pendown, jz4740_ts); -+ free_irq(jz4740_ts->irq_penup, jz4740_ts); -+ free_irq(jz4740_ts->irq_data_ready, jz4740_ts); -+ -+ input_unregister_device(jz4740_ts->input); -+ -+ iounmap(jz4740_ts->base); -+ release_mem_region(jz4740_ts->mem->start, resource_size(jz4740_ts->mem)); -+ -+ kfree(jz4740_ts); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int jz4740_ts_suspend(struct device *dev) -+{ -+ struct jz4740_ts *jz4740_ts = dev_get_drvdata(dev); -+ -+ if (jz4740_ts->is_open); -+ jz4740_ts->cell->disable(jz4740_ts->pdev); -+ -+ return 0; -+} -+ -+static int jz4740_ts_resume(struct device *dev) -+{ -+ struct jz4740_ts *jz4740_ts = dev_get_drvdata(dev); -+ -+ if (jz4740_ts->is_open); -+ jz4740_ts->cell->enable(jz4740_ts->pdev); -+ -+ return 0; -+} -+ -+static const struct dev_pm_ops jz4740_ts_pm_ops = { -+ .suspend = jz4740_ts_suspend, -+ .resume = jz4740_ts_resume, -+}; -+ -+#define JZ4740_TS_PM_OPS (&jz4740_ts_pm_ops) -+#else -+#define JZ4740_TS_PM_OPS NULL -+#endif -+ -+static struct platform_driver jz4740_ts_driver = { -+ .probe = jz4740_ts_probe, -+ .remove = __devexit_p(jz4740_ts_remove), -+ .driver = { -+ .name = "jz4740-ts", -+ .owner = THIS_MODULE, -+ .pm = JZ4740_TS_PM_OPS, -+ }, -+}; -+ -+static int __init jz4740_ts_init(void) -+{ -+ return platform_driver_register(&jz4740_ts_driver); -+} -+module_init(jz4740_ts_init); -+ -+static void __exit jz4740_ts_exit(void) -+{ -+ platform_driver_unregister(&jz4740_ts_driver); -+} -+module_exit(jz4740_ts_exit); -+ -+MODULE_ALIAS("platform:jz4740-ts"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -+MODULE_DESCRIPTION("JZ4740 SoC battery driver"); |