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-rw-r--r--drivers/input/touchscreen/Kconfig15
-rw-r--r--drivers/input/touchscreen/Makefile1
-rw-r--r--drivers/input/touchscreen/atmel_mxt_ts.c662
-rw-r--r--drivers/input/touchscreen/colibri-vf50-ts.c8
-rw-r--r--drivers/input/touchscreen/fusion_F0710A.c507
-rw-r--r--drivers/input/touchscreen/fusion_F0710A.h87
-rw-r--r--drivers/input/touchscreen/ili210x.c2
-rw-r--r--drivers/input/touchscreen/pixcir_i2c_ts.c4
-rw-r--r--drivers/input/touchscreen/rohm_bu21023.c3
-rw-r--r--drivers/input/touchscreen/s3c2410_ts.c2
10 files changed, 1212 insertions, 79 deletions
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index ae33da7ab51f..637c5a7d8efc 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -115,6 +115,14 @@ config TOUCHSCREEN_ATMEL_MXT
To compile this driver as a module, choose M here: the
module will be called atmel_mxt_ts.
+config TOUCHSCREEN_ATMEL_MXT_T37
+ bool "Support T37 Diagnostic Data"
+ depends on TOUCHSCREEN_ATMEL_MXT && VIDEO_V4L2
+ select VIDEOBUF2_VMALLOC
+ help
+ Say Y here if you want support to output data from the T37
+ Diagnostic Data object using a V4L device.
+
config TOUCHSCREEN_AUO_PIXCIR
tristate "AUO in-cell touchscreen using Pixcir ICs"
depends on I2C
@@ -619,6 +627,13 @@ config TOUCHSCREEN_MIGOR
To compile this driver as a module, choose M here: the
module will be called migor_ts.
+config TOUCHSCREEN_FUSION_F0710A
+ tristate "TouchRevolution Fusion F0710A Touchscreens"
+ depends on I2C
+ help
+ Say Y here if you want to support the multi-touch input driver for
+ the TouchRevolution Fusion 7 and 10 panels.
+
config TOUCHSCREEN_TOUCHRIGHT
tristate "Touchright serial touchscreen"
select SERIO
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index cbaa6abb08da..4ae9f5c8f6f2 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -91,3 +91,4 @@ obj-$(CONFIG_TOUCHSCREEN_TPS6507X) += tps6507x-ts.o
obj-$(CONFIG_TOUCHSCREEN_ZFORCE) += zforce_ts.o
obj-$(CONFIG_TOUCHSCREEN_COLIBRI_VF50) += colibri-vf50-ts.o
obj-$(CONFIG_TOUCHSCREEN_ROHM_BU21023) += rohm_bu21023.o
+obj-$(CONFIG_TOUCHSCREEN_FUSION_F0710A) += fusion_F0710A.o
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index d955841da57d..8739e9aa5989 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -4,6 +4,7 @@
* Copyright (C) 2010 Samsung Electronics Co.Ltd
* Copyright (C) 2011-2014 Atmel Corporation
* Copyright (C) 2012 Google, Inc.
+ * Copyright (C) 2016 Zodiac Inflight Innovations
*
* Author: Joonyoung Shim <jy0922.shim@samsung.com>
*
@@ -27,7 +28,12 @@
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/slab.h>
+#include <linux/gpio/consumer.h>
#include <asm/unaligned.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/videobuf2-v4l2.h>
+#include <media/videobuf2-vmalloc.h>
/* Firmware files */
#define MXT_FW_NAME "maxtouch.fw"
@@ -99,6 +105,8 @@ struct t7_config {
/* MXT_TOUCH_MULTI_T9 field */
#define MXT_T9_CTRL 0
+#define MXT_T9_XSIZE 3
+#define MXT_T9_YSIZE 4
#define MXT_T9_ORIENT 9
#define MXT_T9_RANGE 18
@@ -113,17 +121,37 @@ struct t7_config {
#define MXT_T9_DETECT (1 << 7)
struct t9_range {
- u16 x;
- u16 y;
+ __le16 x;
+ __le16 y;
} __packed;
/* MXT_TOUCH_MULTI_T9 orient */
#define MXT_T9_ORIENT_SWITCH (1 << 0)
+#define MXT_T9_ORIENT_INVERTX (1 << 1)
+#define MXT_T9_ORIENT_INVERTY (1 << 2)
/* MXT_SPT_COMMSCONFIG_T18 */
#define MXT_COMMS_CTRL 0
#define MXT_COMMS_CMD 1
+/* MXT_DEBUG_DIAGNOSTIC_T37 */
+#define MXT_DIAGNOSTIC_PAGEUP 0x01
+#define MXT_DIAGNOSTIC_DELTAS 0x10
+#define MXT_DIAGNOSTIC_REFS 0x11
+#define MXT_DIAGNOSTIC_SIZE 128
+
+#define MXT_FAMILY_1386 160
+#define MXT1386_COLUMNS 3
+#define MXT1386_PAGES_PER_COLUMN 8
+
+struct t37_debug {
+#ifdef CONFIG_TOUCHSCREEN_ATMEL_MXT_T37
+ u8 mode;
+ u8 page;
+ u8 data[MXT_DIAGNOSTIC_SIZE];
+#endif
+};
+
/* Define for MXT_GEN_COMMAND_T6 */
#define MXT_BOOT_VALUE 0xa5
#define MXT_RESET_VALUE 0x01
@@ -133,10 +161,14 @@ struct t9_range {
#define MXT_T100_CTRL 0
#define MXT_T100_CFG1 1
#define MXT_T100_TCHAUX 3
+#define MXT_T100_XSIZE 9
#define MXT_T100_XRANGE 13
+#define MXT_T100_YSIZE 20
#define MXT_T100_YRANGE 24
#define MXT_T100_CFG_SWITCHXY BIT(5)
+#define MXT_T100_CFG_INVERTY BIT(6)
+#define MXT_T100_CFG_INVERTX BIT(7)
#define MXT_T100_TCHAUX_VECT BIT(0)
#define MXT_T100_TCHAUX_AMPL BIT(1)
@@ -161,6 +193,8 @@ enum t100_type {
/* Delay times */
#define MXT_BACKUP_TIME 50 /* msec */
+#define MXT_RESET_GPIO_TIME 20 /* msec */
+#define MXT_RESET_INVALID_CHG 100 /* msec */
#define MXT_RESET_TIME 200 /* msec */
#define MXT_RESET_TIMEOUT 3000 /* msec */
#define MXT_CRC_TIMEOUT 1000 /* msec */
@@ -205,6 +239,37 @@ struct mxt_object {
u8 num_report_ids;
} __packed;
+struct mxt_dbg {
+ u16 t37_address;
+ u16 diag_cmd_address;
+ struct t37_debug *t37_buf;
+ unsigned int t37_pages;
+ unsigned int t37_nodes;
+
+ struct v4l2_device v4l2;
+ struct v4l2_pix_format format;
+ struct video_device vdev;
+ struct vb2_queue queue;
+ struct mutex lock;
+ int input;
+};
+
+enum v4l_dbg_inputs {
+ MXT_V4L_INPUT_DELTAS,
+ MXT_V4L_INPUT_REFS,
+ MXT_V4L_INPUT_MAX,
+};
+
+static const struct v4l2_file_operations mxt_video_fops = {
+ .owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
+ .unlocked_ioctl = video_ioctl2,
+ .read = vb2_fop_read,
+ .mmap = vb2_fop_mmap,
+ .poll = vb2_fop_poll,
+};
+
/* Each client has this additional data */
struct mxt_data {
struct i2c_client *client;
@@ -216,6 +281,11 @@ struct mxt_data {
unsigned int irq;
unsigned int max_x;
unsigned int max_y;
+ bool invertx;
+ bool inverty;
+ bool xy_switch;
+ u8 xsize;
+ u8 ysize;
bool in_bootloader;
u16 mem_size;
u8 t100_aux_ampl;
@@ -232,6 +302,8 @@ struct mxt_data {
u8 num_touchids;
u8 multitouch;
struct t7_config t7_cfg;
+ struct mxt_dbg dbg;
+ struct gpio_desc *reset_gpio;
/* Cached parameters from object table */
u16 T5_address;
@@ -256,6 +328,11 @@ struct mxt_data {
struct completion crc_completion;
};
+struct mxt_vb2_buffer {
+ struct vb2_buffer vb;
+ struct list_head list;
+};
+
static size_t mxt_obj_size(const struct mxt_object *obj)
{
return obj->size_minus_one + 1;
@@ -277,6 +354,7 @@ static bool mxt_object_readable(unsigned int type)
case MXT_TOUCH_KEYARRAY_T15:
case MXT_TOUCH_PROXIMITY_T23:
case MXT_TOUCH_PROXKEY_T52:
+ case MXT_TOUCH_MULTITOUCHSCREEN_T100:
case MXT_PROCI_GRIPFACE_T20:
case MXT_PROCG_NOISE_T22:
case MXT_PROCI_ONETOUCH_T24:
@@ -1092,6 +1170,19 @@ static int mxt_t6_command(struct mxt_data *data, u16 cmd_offset,
return 0;
}
+static int mxt_acquire_irq(struct mxt_data *data)
+{
+ int error;
+
+ enable_irq(data->irq);
+
+ error = mxt_process_messages_until_invalid(data);
+ if (error)
+ return error;
+
+ return 0;
+}
+
static int mxt_soft_reset(struct mxt_data *data)
{
struct device *dev = &data->client->dev;
@@ -1108,9 +1199,9 @@ static int mxt_soft_reset(struct mxt_data *data)
return ret;
/* Ignore CHG line for 100ms after reset */
- msleep(100);
+ msleep(MXT_RESET_INVALID_CHG);
- enable_irq(data->irq);
+ mxt_acquire_irq(data);
ret = mxt_wait_for_completion(data, &data->reset_completion,
MXT_RESET_TIMEOUT);
@@ -1465,19 +1556,6 @@ release_mem:
return ret;
}
-static int mxt_acquire_irq(struct mxt_data *data)
-{
- int error;
-
- enable_irq(data->irq);
-
- error = mxt_process_messages_until_invalid(data);
- if (error)
- return error;
-
- return 0;
-}
-
static int mxt_get_info(struct mxt_data *data)
{
struct i2c_client *client = data->client;
@@ -1502,6 +1580,11 @@ static void mxt_free_input_device(struct mxt_data *data)
static void mxt_free_object_table(struct mxt_data *data)
{
+#ifdef CONFIG_TOUCHSCREEN_ATMEL_MXT_T37
+ video_unregister_device(&data->dbg.vdev);
+ v4l2_device_unregister(&data->dbg.v4l2);
+#endif
+
kfree(data->object_table);
data->object_table = NULL;
kfree(data->msg_buf);
@@ -1661,13 +1744,25 @@ static int mxt_read_t9_resolution(struct mxt_data *data)
return -EINVAL;
error = __mxt_read_reg(client,
+ object->start_address + MXT_T9_XSIZE,
+ sizeof(data->xsize), &data->xsize);
+ if (error)
+ return error;
+
+ error = __mxt_read_reg(client,
+ object->start_address + MXT_T9_YSIZE,
+ sizeof(data->ysize), &data->ysize);
+ if (error)
+ return error;
+
+ error = __mxt_read_reg(client,
object->start_address + MXT_T9_RANGE,
sizeof(range), &range);
if (error)
return error;
- le16_to_cpus(&range.x);
- le16_to_cpus(&range.y);
+ data->max_x = get_unaligned_le16(&range.x);
+ data->max_y = get_unaligned_le16(&range.y);
error = __mxt_read_reg(client,
object->start_address + MXT_T9_ORIENT,
@@ -1675,23 +1770,9 @@ static int mxt_read_t9_resolution(struct mxt_data *data)
if (error)
return error;
- /* Handle default values */
- if (range.x == 0)
- range.x = 1023;
-
- if (range.y == 0)
- range.y = 1023;
-
- if (orient & MXT_T9_ORIENT_SWITCH) {
- data->max_x = range.y;
- data->max_y = range.x;
- } else {
- data->max_x = range.x;
- data->max_y = range.y;
- }
-
- dev_dbg(&client->dev,
- "Touchscreen size X%uY%u\n", data->max_x, data->max_y);
+ data->xy_switch = orient & MXT_T9_ORIENT_SWITCH;
+ data->invertx = orient & MXT_T9_ORIENT_INVERTX;
+ data->inverty = orient & MXT_T9_ORIENT_INVERTY;
return 0;
}
@@ -1709,13 +1790,14 @@ static int mxt_read_t100_config(struct mxt_data *data)
if (!object)
return -EINVAL;
+ /* read touchscreen dimensions */
error = __mxt_read_reg(client,
object->start_address + MXT_T100_XRANGE,
sizeof(range_x), &range_x);
if (error)
return error;
- le16_to_cpus(&range_x);
+ data->max_x = get_unaligned_le16(&range_x);
error = __mxt_read_reg(client,
object->start_address + MXT_T100_YRANGE,
@@ -1723,36 +1805,38 @@ static int mxt_read_t100_config(struct mxt_data *data)
if (error)
return error;
- le16_to_cpus(&range_y);
+ data->max_y = get_unaligned_le16(&range_y);
+
+ error = __mxt_read_reg(client,
+ object->start_address + MXT_T100_XSIZE,
+ sizeof(data->xsize), &data->xsize);
+ if (error)
+ return error;
+
+ error = __mxt_read_reg(client,
+ object->start_address + MXT_T100_YSIZE,
+ sizeof(data->ysize), &data->ysize);
+ if (error)
+ return error;
+ /* read orientation config */
error = __mxt_read_reg(client,
object->start_address + MXT_T100_CFG1,
1, &cfg);
if (error)
return error;
+ data->xy_switch = cfg & MXT_T100_CFG_SWITCHXY;
+ data->invertx = cfg & MXT_T100_CFG_INVERTX;
+ data->inverty = cfg & MXT_T100_CFG_INVERTY;
+
+ /* allocate aux bytes */
error = __mxt_read_reg(client,
object->start_address + MXT_T100_TCHAUX,
1, &tchaux);
if (error)
return error;
- /* Handle default values */
- if (range_x == 0)
- range_x = 1023;
-
- if (range_y == 0)
- range_y = 1023;
-
- if (cfg & MXT_T100_CFG_SWITCHXY) {
- data->max_x = range_y;
- data->max_y = range_x;
- } else {
- data->max_x = range_x;
- data->max_y = range_y;
- }
-
- /* allocate aux bytes */
aux = 6;
if (tchaux & MXT_T100_TCHAUX_VECT)
@@ -1768,9 +1852,6 @@ static int mxt_read_t100_config(struct mxt_data *data)
"T100 aux mappings vect:%u ampl:%u area:%u\n",
data->t100_aux_vect, data->t100_aux_ampl, data->t100_aux_area);
- dev_info(&client->dev,
- "T100 Touchscreen size X%uY%u\n", data->max_x, data->max_y);
-
return 0;
}
@@ -1829,6 +1910,19 @@ static int mxt_initialize_input_device(struct mxt_data *data)
return -EINVAL;
}
+ /* Handle default values and orientation switch */
+ if (data->max_x == 0)
+ data->max_x = 1023;
+
+ if (data->max_y == 0)
+ data->max_y = 1023;
+
+ if (data->xy_switch)
+ swap(data->max_x, data->max_y);
+
+ dev_info(dev, "Touchscreen size X%uY%u\n", data->max_x, data->max_y);
+
+ /* Register input device */
input_dev = input_allocate_device();
if (!input_dev) {
dev_err(dev, "Failed to allocate memory\n");
@@ -2060,6 +2154,420 @@ recheck:
return 0;
}
+#ifdef CONFIG_TOUCHSCREEN_ATMEL_MXT_T37
+static u16 mxt_get_debug_value(struct mxt_data *data, unsigned int x,
+ unsigned int y)
+{
+ struct mxt_info *info = &data->info;
+ struct mxt_dbg *dbg = &data->dbg;
+ unsigned int ofs, page;
+ unsigned int col = 0;
+ unsigned int col_width;
+
+ if (info->family_id == MXT_FAMILY_1386) {
+ col_width = info->matrix_ysize / MXT1386_COLUMNS;
+ col = y / col_width;
+ y = y % col_width;
+ } else {
+ col_width = info->matrix_ysize;
+ }
+
+ ofs = (y + (x * col_width)) * sizeof(u16);
+ page = ofs / MXT_DIAGNOSTIC_SIZE;
+ ofs %= MXT_DIAGNOSTIC_SIZE;
+
+ if (info->family_id == MXT_FAMILY_1386)
+ page += col * MXT1386_PAGES_PER_COLUMN;
+
+ return get_unaligned_le16(&dbg->t37_buf[page].data[ofs]);
+}
+
+static int mxt_convert_debug_pages(struct mxt_data *data, u16 *outbuf)
+{
+ struct mxt_dbg *dbg = &data->dbg;
+ unsigned int x = 0;
+ unsigned int y = 0;
+ unsigned int i, rx, ry;
+
+ for (i = 0; i < dbg->t37_nodes; i++) {
+ /* Handle orientation */
+ rx = data->xy_switch ? y : x;
+ ry = data->xy_switch ? x : y;
+ rx = data->invertx ? (data->xsize - 1 - rx) : rx;
+ ry = data->inverty ? (data->ysize - 1 - ry) : ry;
+
+ outbuf[i] = mxt_get_debug_value(data, rx, ry);
+
+ /* Next value */
+ if (++x >= (data->xy_switch ? data->ysize : data->xsize)) {
+ x = 0;
+ y++;
+ }
+ }
+
+ return 0;
+}
+
+static int mxt_read_diagnostic_debug(struct mxt_data *data, u8 mode,
+ u16 *outbuf)
+{
+ struct mxt_dbg *dbg = &data->dbg;
+ int retries = 0;
+ int page;
+ int ret;
+ u8 cmd = mode;
+ struct t37_debug *p;
+ u8 cmd_poll;
+
+ for (page = 0; page < dbg->t37_pages; page++) {
+ p = dbg->t37_buf + page;
+
+ ret = mxt_write_reg(data->client, dbg->diag_cmd_address,
+ cmd);
+ if (ret)
+ return ret;
+
+ retries = 0;
+ msleep(20);
+wait_cmd:
+ /* Read back command byte */
+ ret = __mxt_read_reg(data->client, dbg->diag_cmd_address,
+ sizeof(cmd_poll), &cmd_poll);
+ if (ret)
+ return ret;
+
+ /* Field is cleared once the command has been processed */
+ if (cmd_poll) {
+ if (retries++ > 100)
+ return -EINVAL;
+
+ msleep(20);
+ goto wait_cmd;
+ }
+
+ /* Read T37 page */
+ ret = __mxt_read_reg(data->client, dbg->t37_address,
+ sizeof(struct t37_debug), p);
+ if (ret)
+ return ret;
+
+ if (p->mode != mode || p->page != page) {
+ dev_err(&data->client->dev, "T37 page mismatch\n");
+ return -EINVAL;
+ }
+
+ dev_dbg(&data->client->dev, "%s page:%d retries:%d\n",
+ __func__, page, retries);
+
+ /* For remaining pages, write PAGEUP rather than mode */
+ cmd = MXT_DIAGNOSTIC_PAGEUP;
+ }
+
+ return mxt_convert_debug_pages(data, outbuf);
+}
+
+static int mxt_queue_setup(struct vb2_queue *q,
+ unsigned int *nbuffers, unsigned int *nplanes,
+ unsigned int sizes[], struct device *alloc_devs[])
+{
+ struct mxt_data *data = q->drv_priv;
+ size_t size = data->dbg.t37_nodes * sizeof(u16);
+
+ if (*nplanes)
+ return sizes[0] < size ? -EINVAL : 0;
+
+ *nplanes = 1;
+ sizes[0] = size;
+
+ return 0;
+}
+
+static void mxt_buffer_queue(struct vb2_buffer *vb)
+{
+ struct mxt_data *data = vb2_get_drv_priv(vb->vb2_queue);
+ u16 *ptr;
+ int ret;
+ u8 mode;
+
+ ptr = vb2_plane_vaddr(vb, 0);
+ if (!ptr) {
+ dev_err(&data->client->dev, "Error acquiring frame ptr\n");
+ goto fault;
+ }
+
+ switch (data->dbg.input) {
+ case MXT_V4L_INPUT_DELTAS:
+ default:
+ mode = MXT_DIAGNOSTIC_DELTAS;
+ break;
+
+ case MXT_V4L_INPUT_REFS:
+ mode = MXT_DIAGNOSTIC_REFS;
+ break;
+ }
+
+ ret = mxt_read_diagnostic_debug(data, mode, ptr);
+ if (ret)
+ goto fault;
+
+ vb2_set_plane_payload(vb, 0, data->dbg.t37_nodes * sizeof(u16));
+ vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
+ return;
+
+fault:
+ vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
+}
+
+/* V4L2 structures */
+static const struct vb2_ops mxt_queue_ops = {
+ .queue_setup = mxt_queue_setup,
+ .buf_queue = mxt_buffer_queue,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+};
+
+static const struct vb2_queue mxt_queue = {
+ .type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
+ .io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ,
+ .buf_struct_size = sizeof(struct mxt_vb2_buffer),
+ .ops = &mxt_queue_ops,
+ .mem_ops = &vb2_vmalloc_memops,
+ .timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC,
+ .min_buffers_needed = 1,
+};
+
+static int mxt_vidioc_querycap(struct file *file, void *priv,
+ struct v4l2_capability *cap)
+{
+ struct mxt_data *data = video_drvdata(file);
+
+ strlcpy(cap->driver, "atmel_mxt_ts", sizeof(cap->driver));
+ strlcpy(cap->card, "atmel_mxt_ts touch", sizeof(cap->card));
+ snprintf(cap->bus_info, sizeof(cap->bus_info),
+ "I2C:%s", dev_name(&data->client->dev));
+ return 0;
+}
+
+static int mxt_vidioc_enum_input(struct file *file, void *priv,
+ struct v4l2_input *i)
+{
+ if (i->index >= MXT_V4L_INPUT_MAX)
+ return -EINVAL;
+
+ i->type = V4L2_INPUT_TYPE_TOUCH;
+
+ switch (i->index) {
+ case MXT_V4L_INPUT_REFS:
+ strlcpy(i->name, "Mutual Capacitance References",
+ sizeof(i->name));
+ break;
+ case MXT_V4L_INPUT_DELTAS:
+ strlcpy(i->name, "Mutual Capacitance Deltas", sizeof(i->name));
+ break;
+ }
+
+ return 0;
+}
+
+static int mxt_set_input(struct mxt_data *data, unsigned int i)
+{
+ struct v4l2_pix_format *f = &data->dbg.format;
+
+ if (i >= MXT_V4L_INPUT_MAX)
+ return -EINVAL;
+
+ if (i == MXT_V4L_INPUT_DELTAS)
+ f->pixelformat = V4L2_TCH_FMT_DELTA_TD16;
+ else
+ f->pixelformat = V4L2_TCH_FMT_TU16;
+
+ f->width = data->xy_switch ? data->ysize : data->xsize;
+ f->height = data->xy_switch ? data->xsize : data->ysize;
+ f->field = V4L2_FIELD_NONE;
+ f->colorspace = V4L2_COLORSPACE_RAW;
+ f->bytesperline = f->width * sizeof(u16);
+ f->sizeimage = f->width * f->height * sizeof(u16);
+
+ data->dbg.input = i;
+
+ return 0;
+}
+
+static int mxt_vidioc_s_input(struct file *file, void *priv, unsigned int i)
+{
+ return mxt_set_input(video_drvdata(file), i);
+}
+
+static int mxt_vidioc_g_input(struct file *file, void *priv, unsigned int *i)
+{
+ struct mxt_data *data = video_drvdata(file);
+
+ *i = data->dbg.input;
+
+ return 0;
+}
+
+static int mxt_vidioc_fmt(struct file *file, void *priv, struct v4l2_format *f)
+{
+ struct mxt_data *data = video_drvdata(file);
+
+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ f->fmt.pix = data->dbg.format;
+
+ return 0;
+}
+
+static int mxt_vidioc_enum_fmt(struct file *file, void *priv,
+ struct v4l2_fmtdesc *fmt)
+{
+ if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ switch (fmt->index) {
+ case 0:
+ fmt->pixelformat = V4L2_TCH_FMT_TU16;
+ break;
+
+ case 1:
+ fmt->pixelformat = V4L2_TCH_FMT_DELTA_TD16;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int mxt_vidioc_g_parm(struct file *file, void *fh,
+ struct v4l2_streamparm *a)
+{
+ if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ a->parm.capture.readbuffers = 1;
+ a->parm.capture.timeperframe.numerator = 1;
+ a->parm.capture.timeperframe.denominator = 10;
+ return 0;
+}
+
+static const struct v4l2_ioctl_ops mxt_video_ioctl_ops = {
+ .vidioc_querycap = mxt_vidioc_querycap,
+
+ .vidioc_enum_fmt_vid_cap = mxt_vidioc_enum_fmt,
+ .vidioc_s_fmt_vid_cap = mxt_vidioc_fmt,
+ .vidioc_g_fmt_vid_cap = mxt_vidioc_fmt,
+ .vidioc_try_fmt_vid_cap = mxt_vidioc_fmt,
+ .vidioc_g_parm = mxt_vidioc_g_parm,
+
+ .vidioc_enum_input = mxt_vidioc_enum_input,
+ .vidioc_g_input = mxt_vidioc_g_input,
+ .vidioc_s_input = mxt_vidioc_s_input,
+
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_create_bufs = vb2_ioctl_create_bufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_expbuf = vb2_ioctl_expbuf,
+
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
+};
+
+static const struct video_device mxt_video_device = {
+ .name = "Atmel maxTouch",
+ .fops = &mxt_video_fops,
+ .ioctl_ops = &mxt_video_ioctl_ops,
+ .release = video_device_release_empty,
+ .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TOUCH |
+ V4L2_CAP_READWRITE | V4L2_CAP_STREAMING,
+};
+
+static void mxt_debug_init(struct mxt_data *data)
+{
+ struct mxt_info *info = &data->info;
+ struct mxt_dbg *dbg = &data->dbg;
+ struct mxt_object *object;
+ int error;
+
+ object = mxt_get_object(data, MXT_GEN_COMMAND_T6);
+ if (!object)
+ goto error;
+
+ dbg->diag_cmd_address = object->start_address + MXT_COMMAND_DIAGNOSTIC;
+
+ object = mxt_get_object(data, MXT_DEBUG_DIAGNOSTIC_T37);
+ if (!object)
+ goto error;
+
+ if (mxt_obj_size(object) != sizeof(struct t37_debug)) {
+ dev_warn(&data->client->dev, "Bad T37 size");
+ goto error;
+ }
+
+ dbg->t37_address = object->start_address;
+
+ /* Calculate size of data and allocate buffer */
+ dbg->t37_nodes = data->xsize * data->ysize;
+
+ if (info->family_id == MXT_FAMILY_1386)
+ dbg->t37_pages = MXT1386_COLUMNS * MXT1386_PAGES_PER_COLUMN;
+ else
+ dbg->t37_pages = DIV_ROUND_UP(data->xsize *
+ info->matrix_ysize *
+ sizeof(u16),
+ sizeof(dbg->t37_buf->data));
+
+ dbg->t37_buf = devm_kmalloc_array(&data->client->dev, dbg->t37_pages,
+ sizeof(struct t37_debug), GFP_KERNEL);
+ if (!dbg->t37_buf)
+ goto error;
+
+ /* init channel to zero */
+ mxt_set_input(data, 0);
+
+ /* register video device */
+ snprintf(dbg->v4l2.name, sizeof(dbg->v4l2.name), "%s", "atmel_mxt_ts");
+ error = v4l2_device_register(&data->client->dev, &dbg->v4l2);
+ if (error)
+ goto error;
+
+ /* initialize the queue */
+ mutex_init(&dbg->lock);
+ dbg->queue = mxt_queue;
+ dbg->queue.drv_priv = data;
+ dbg->queue.lock = &dbg->lock;
+ dbg->queue.dev = &data->client->dev;
+
+ error = vb2_queue_init(&dbg->queue);
+ if (error)
+ goto error_unreg_v4l2;
+
+ dbg->vdev = mxt_video_device;
+ dbg->vdev.v4l2_dev = &dbg->v4l2;
+ dbg->vdev.lock = &dbg->lock;
+ dbg->vdev.vfl_dir = VFL_DIR_RX;
+ dbg->vdev.queue = &dbg->queue;
+ video_set_drvdata(&dbg->vdev, data);
+
+ error = video_register_device(&dbg->vdev, VFL_TYPE_TOUCH, -1);
+ if (error)
+ goto error_unreg_v4l2;
+
+ return;
+
+error_unreg_v4l2:
+ v4l2_device_unregister(&dbg->v4l2);
+error:
+ dev_warn(&data->client->dev, "Error initializing T37\n");
+}
+#else
+static void mxt_debug_init(struct mxt_data *data)
+{
+}
+#endif
+
static int mxt_configure_objects(struct mxt_data *data,
const struct firmware *cfg)
{
@@ -2087,6 +2595,8 @@ static int mxt_configure_objects(struct mxt_data *data,
dev_warn(dev, "No touch object detected\n");
}
+ mxt_debug_init(data);
+
dev_info(dev,
"Family: %u Variant: %u Firmware V%u.%u.%02X Objects: %u\n",
info->family_id, info->variant_id, info->version >> 4,
@@ -2621,11 +3131,9 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id)
if (IS_ERR(pdata))
return PTR_ERR(pdata);
- data = kzalloc(sizeof(struct mxt_data), GFP_KERNEL);
- if (!data) {
- dev_err(&client->dev, "Failed to allocate memory\n");
+ data = devm_kzalloc(&client->dev, sizeof(struct mxt_data), GFP_KERNEL);
+ if (!data)
return -ENOMEM;
- }
snprintf(data->phys, sizeof(data->phys), "i2c-%u-%04x/input0",
client->adapter->nr, client->addr);
@@ -2639,19 +3147,34 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id)
init_completion(&data->reset_completion);
init_completion(&data->crc_completion);
- error = request_threaded_irq(client->irq, NULL, mxt_interrupt,
- pdata->irqflags | IRQF_ONESHOT,
- client->name, data);
+ data->reset_gpio = devm_gpiod_get_optional(&client->dev,
+ "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(data->reset_gpio)) {
+ error = PTR_ERR(data->reset_gpio);
+ dev_err(&client->dev, "Failed to get reset gpio: %d\n", error);
+ return error;
+ }
+
+ error = devm_request_threaded_irq(&client->dev, client->irq,
+ NULL, mxt_interrupt,
+ pdata->irqflags | IRQF_ONESHOT,
+ client->name, data);
if (error) {
dev_err(&client->dev, "Failed to register interrupt\n");
- goto err_free_mem;
+ return error;
}
disable_irq(client->irq);
+ if (data->reset_gpio) {
+ msleep(MXT_RESET_GPIO_TIME);
+ gpiod_set_value(data->reset_gpio, 1);
+ msleep(MXT_RESET_INVALID_CHG);
+ }
+
error = mxt_initialize(data);
if (error)
- goto err_free_irq;
+ return error;
error = sysfs_create_group(&client->dev.kobj, &mxt_attr_group);
if (error) {
@@ -2665,10 +3188,6 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id)
err_free_object:
mxt_free_input_device(data);
mxt_free_object_table(data);
-err_free_irq:
- free_irq(client->irq, data);
-err_free_mem:
- kfree(data);
return error;
}
@@ -2676,11 +3195,10 @@ static int mxt_remove(struct i2c_client *client)
{
struct mxt_data *data = i2c_get_clientdata(client);
+ disable_irq(data->irq);
sysfs_remove_group(&client->dev.kobj, &mxt_attr_group);
- free_irq(data->irq, data);
mxt_free_input_device(data);
mxt_free_object_table(data);
- kfree(data);
return 0;
}
diff --git a/drivers/input/touchscreen/colibri-vf50-ts.c b/drivers/input/touchscreen/colibri-vf50-ts.c
index 5d4903a402cc..51e86f80cdba 100644
--- a/drivers/input/touchscreen/colibri-vf50-ts.c
+++ b/drivers/input/touchscreen/colibri-vf50-ts.c
@@ -100,6 +100,8 @@ static void vf50_ts_enable_touch_detection(struct vf50_touch_device *vf50_ts)
/* Wait for the pull-up to be stable on high */
usleep_range(COLI_PULLUP_MIN_DELAY_US, COLI_PULLUP_MAX_DELAY_US);
+
+ enable_irq(vf50_ts->pen_irq);
}
/*
@@ -112,6 +114,8 @@ static irqreturn_t vf50_ts_irq_bh(int irq, void *private)
int val_x, val_y, val_z1, val_z2, val_p = 0;
bool discard_val_on_start = true;
+ disable_irq_nosync(vf50_ts->pen_irq);
+
/* Disable the touch detection plates */
gpiod_set_value(vf50_ts->gpio_ym, 0);
@@ -202,7 +206,8 @@ static irqreturn_t vf50_ts_irq_bh(int irq, void *private)
input_report_key(vf50_ts->ts_input, BTN_TOUCH, 0);
input_sync(vf50_ts->ts_input);
- vf50_ts_enable_touch_detection(vf50_ts);
+ if (!vf50_ts->stop_touchscreen)
+ vf50_ts_enable_touch_detection(vf50_ts);
return IRQ_HANDLED;
}
@@ -353,6 +358,7 @@ static int vf50_ts_probe(struct platform_device *pdev)
if (touchdev->pen_irq < 0)
return touchdev->pen_irq;
+ touchdev->stop_touchscreen = true;
error = devm_request_threaded_irq(dev, touchdev->pen_irq,
NULL, vf50_ts_irq_bh, IRQF_ONESHOT,
"vf50 touch", touchdev);
diff --git a/drivers/input/touchscreen/fusion_F0710A.c b/drivers/input/touchscreen/fusion_F0710A.c
new file mode 100644
index 000000000000..862725b1332c
--- /dev/null
+++ b/drivers/input/touchscreen/fusion_F0710A.c
@@ -0,0 +1,507 @@
+/*
+ * "fusion_F0710A" touchscreen driver
+ *
+ * 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/module.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <asm/irq.h>
+#include <linux/gpio.h>
+#include <linux/input/fusion_F0710A.h>
+#include <linux/input/mt.h>
+#include <linux/slab.h>
+#include <linux/of_gpio.h>
+
+
+#include "fusion_F0710A.h"
+
+#define DRV_NAME "fusion_F0710A"
+#define MAX_TOUCHES 2
+
+static struct fusion_F0710A_data fusion_F0710A;
+
+static unsigned short normal_i2c[] = { fusion_F0710A_I2C_SLAVE_ADDR, I2C_CLIENT_END };
+
+static int fusion_F0710A_write_u8(u8 addr, u8 data)
+{
+ return i2c_smbus_write_byte_data(fusion_F0710A.client, addr, data);
+}
+
+static int fusion_F0710A_read_u8(u8 addr)
+{
+ return i2c_smbus_read_byte_data(fusion_F0710A.client, addr);
+}
+
+static int fusion_F0710A_read_block(u8 addr, u8 len, u8 *data)
+{
+ u8 msgbuf0[1] = { addr };
+ u16 slave = fusion_F0710A.client->addr;
+ u16 flags = fusion_F0710A.client->flags;
+ struct i2c_msg msg[2] = { { slave, flags, 1, msgbuf0 },
+ { slave, flags | I2C_M_RD, len, data }
+ };
+
+ return i2c_transfer(fusion_F0710A.client->adapter, msg, ARRAY_SIZE(msg));
+}
+
+static int fusion_F0710A_register_input(void)
+{
+ int ret;
+ struct input_dev *dev;
+
+ dev = fusion_F0710A.input = input_allocate_device();
+ if (dev == NULL)
+ return -ENOMEM;
+
+ dev->name = "fusion_F0710A";
+
+ set_bit(EV_KEY, dev->evbit);
+ set_bit(EV_ABS, dev->evbit);
+ set_bit(EV_SYN, dev->evbit);
+ set_bit(BTN_TOUCH, dev->keybit);
+
+ input_mt_init_slots(dev, MAX_TOUCHES, 0);
+ input_set_abs_params(dev, ABS_MT_POSITION_X, 0, fusion_F0710A.info.xres-1, 0, 0);
+ input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, fusion_F0710A.info.yres-1, 0, 0);
+ input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0);
+
+ input_set_abs_params(dev, ABS_X, 0, fusion_F0710A.info.xres-1, 0, 0);
+ input_set_abs_params(dev, ABS_Y, 0, fusion_F0710A.info.yres-1, 0, 0);
+ input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0);
+
+ ret = input_register_device(dev);
+ if (ret < 0)
+ goto bail1;
+
+ return 0;
+
+bail1:
+ input_free_device(dev);
+ return ret;
+}
+
+static void fusion_F0710A_reset(void)
+{
+ /* Generate a 0 => 1 edge explicitly, and wait for startup... */
+ gpio_set_value(fusion_F0710A.gpio_reset, 0);
+ msleep(10);
+ gpio_set_value(fusion_F0710A.gpio_reset, 1);
+ /* Wait for startup (up to 125ms according to datasheet) */
+ msleep(125);
+}
+
+#define WC_RETRY_COUNT 3
+static int fusion_F0710A_write_complete(void)
+{
+ int ret, i;
+
+ for (i = 0; i < WC_RETRY_COUNT; i++)
+ {
+ ret = fusion_F0710A_write_u8(fusion_F0710A_SCAN_COMPLETE, 0);
+ if (!ret)
+ break;
+
+ dev_warn(&fusion_F0710A.client->dev,
+ "Write complete failed(%d): %d. Resetting controller...\n", i, ret);
+ fusion_F0710A_reset();
+ }
+
+ return ret;
+}
+
+#define DATA_START fusion_F0710A_DATA_INFO
+#define DATA_END fusion_F0710A_SEC_TIDTS
+#define DATA_LEN (DATA_END - DATA_START + 1)
+#define DATA_OFF(x) ((x) - DATA_START)
+
+static int fusion_F0710A_read_sensor(void)
+{
+ int ret;
+ u8 data[DATA_LEN];
+
+#define DATA(x) (data[DATA_OFF(x)])
+ /* To ensure data coherency, read the sensor with a single transaction. */
+ ret = fusion_F0710A_read_block(DATA_START, DATA_LEN, data);
+ if (ret < 0) {
+ dev_err(&fusion_F0710A.client->dev,
+ "Read block failed: %d\n", ret);
+
+ return ret;
+ }
+
+ fusion_F0710A.f_num = DATA(fusion_F0710A_DATA_INFO)&0x03;
+
+ fusion_F0710A.y1 = DATA(fusion_F0710A_POS_X1_HI) << 8;
+ fusion_F0710A.y1 |= DATA(fusion_F0710A_POS_X1_LO);
+ fusion_F0710A.x1 = DATA(fusion_F0710A_POS_Y1_HI) << 8;
+ fusion_F0710A.x1 |= DATA(fusion_F0710A_POS_Y1_LO);
+ fusion_F0710A.z1 = DATA(fusion_F0710A_FIR_PRESS);
+ fusion_F0710A.tip1 = DATA(fusion_F0710A_FIR_TIDTS)&0x0f;
+ fusion_F0710A.tid1 = (DATA(fusion_F0710A_FIR_TIDTS)&0xf0)>>4;
+
+ fusion_F0710A.y2 = DATA(fusion_F0710A_POS_X2_HI) << 8;
+ fusion_F0710A.y2 |= DATA(fusion_F0710A_POS_X2_LO);
+ fusion_F0710A.x2 = DATA(fusion_F0710A_POS_Y2_HI) << 8;
+ fusion_F0710A.x2 |= DATA(fusion_F0710A_POS_Y2_LO);
+ fusion_F0710A.z2 = DATA(fusion_F0710A_SEC_PRESS);
+ fusion_F0710A.tip2 = DATA(fusion_F0710A_SEC_TIDTS)&0x0f;
+ fusion_F0710A.tid2 =(DATA(fusion_F0710A_SEC_TIDTS)&0xf0)>>4;
+#undef DATA
+
+ return 0;
+}
+
+#define val_cut_max(x, max, reverse) \
+do \
+{ \
+ if(x > max) \
+ x = max; \
+ if(reverse) \
+ x = (max) - (x); \
+} \
+while(0)
+
+static void fusion_F0710A_wq(struct work_struct *work)
+{
+ struct input_dev *dev = fusion_F0710A.input;
+
+ if (fusion_F0710A_read_sensor() < 0)
+ goto restore_irq;
+
+#ifdef DEBUG
+ printk(KERN_DEBUG "tip1, tid1, x1, y1, z1 (%x,%x,%d,%d,%d); tip2, tid2, x2, y2, z2 (%x,%x,%d,%d,%d)\n",
+ fusion_F0710A.tip1, fusion_F0710A.tid1, fusion_F0710A.x1, fusion_F0710A.y1, fusion_F0710A.z1,
+ fusion_F0710A.tip2, fusion_F0710A.tid2, fusion_F0710A.x2, fusion_F0710A.y2, fusion_F0710A.z2);
+#endif /* DEBUG */
+
+ val_cut_max(fusion_F0710A.x1, fusion_F0710A.info.xres-1, fusion_F0710A.info.xy_reverse);
+ val_cut_max(fusion_F0710A.y1, fusion_F0710A.info.yres-1, fusion_F0710A.info.xy_reverse);
+ val_cut_max(fusion_F0710A.x2, fusion_F0710A.info.xres-1, fusion_F0710A.info.xy_reverse);
+ val_cut_max(fusion_F0710A.y2, fusion_F0710A.info.yres-1, fusion_F0710A.info.xy_reverse);
+
+ if (fusion_F0710A.tid1) {
+ input_mt_slot(dev, fusion_F0710A.tid1 - 1);
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, fusion_F0710A.tip1);
+ if (fusion_F0710A.tip1) {
+ input_report_abs(dev, ABS_MT_POSITION_X, fusion_F0710A.x1);
+ input_report_abs(dev, ABS_MT_POSITION_Y, fusion_F0710A.y1);
+ input_report_abs(dev, ABS_MT_PRESSURE, fusion_F0710A.z1);
+ }
+ }
+
+ if (fusion_F0710A.tid2) {
+ input_mt_slot(dev, fusion_F0710A.tid2 - 1);
+ input_mt_report_slot_state(dev, MT_TOOL_FINGER, fusion_F0710A.tip2);
+ if (fusion_F0710A.tip2) {
+ input_report_abs(dev, ABS_MT_POSITION_X, fusion_F0710A.x2);
+ input_report_abs(dev, ABS_MT_POSITION_Y, fusion_F0710A.y2);
+ input_report_abs(dev, ABS_MT_PRESSURE, fusion_F0710A.z2);
+ }
+ }
+
+ input_mt_report_pointer_emulation(dev, false);
+ input_sync(dev);
+
+restore_irq:
+ enable_irq(fusion_F0710A.client->irq);
+
+ /* Clear fusion_F0710A interrupt */
+ fusion_F0710A_write_complete();
+}
+
+static DECLARE_WORK(fusion_F0710A_work, fusion_F0710A_wq);
+
+static irqreturn_t fusion_F0710A_interrupt(int irq, void *dev_id)
+{
+ disable_irq_nosync(fusion_F0710A.client->irq);
+
+ queue_work(fusion_F0710A.workq, &fusion_F0710A_work);
+
+ return IRQ_HANDLED;
+}
+
+const static u8* g_ver_product[4] = {
+ "10Z8", "70Z7", "43Z6", ""
+};
+
+static int of_fusion_F0710A_get_pins(struct device_node *np,
+ unsigned int *int_pin, unsigned int *reset_pin)
+{
+ if (of_gpio_count(np) < 2)
+ return -ENODEV;
+
+ *int_pin = of_get_gpio(np, 0);
+ *reset_pin = of_get_gpio(np, 1);
+
+ if (!gpio_is_valid(*int_pin) || !gpio_is_valid(*reset_pin)) {
+ pr_err("%s: invalid GPIO pins, int=%d/reset=%d\n",
+ np->full_name, *int_pin, *reset_pin);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int fusion_F0710A_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
+{
+ struct device_node *np = i2c->dev.of_node;
+ struct fusion_f0710a_init_data *pdata = i2c->dev.platform_data;
+ int ret;
+ u8 ver_product, ver_id;
+ u32 version;
+
+ if (np != NULL) {
+ pdata = i2c->dev.platform_data =
+ devm_kzalloc(&i2c->dev, sizeof(*pdata), GFP_KERNEL);
+ if (pdata == NULL) {
+ dev_err(&i2c->dev, "No platform data for Fusion driver\n");
+ return -ENODEV;
+ }
+ /* the dtb did the pinmuxing for us */
+ pdata->pinmux_fusion_pins = NULL;
+ ret = of_fusion_F0710A_get_pins(i2c->dev.of_node,
+ &pdata->gpio_int, &pdata->gpio_reset);
+ if (ret)
+ return ret;
+ } else if (pdata == NULL) {
+ dev_err(&i2c->dev, "No platform data for Fusion driver\n");
+ return -ENODEV;
+ }
+
+ /* Request pinmuxing, if necessary */
+ if (pdata->pinmux_fusion_pins != NULL) {
+ ret = pdata->pinmux_fusion_pins();
+ if (ret < 0) {
+ dev_err(&i2c->dev, "muxing GPIOs failed\n");
+ return -ENODEV;
+ }
+ }
+
+ if ((gpio_request(pdata->gpio_int, "Fusion pen down interrupt") == 0) &&
+ (gpio_direction_input(pdata->gpio_int) == 0)) {
+ gpio_export(pdata->gpio_int, 0);
+ } else {
+ dev_warn(&i2c->dev, "Could not obtain GPIO for Fusion pen down\n");
+ return -ENODEV;
+ }
+
+ if ((gpio_request(pdata->gpio_reset, "Fusion reset") == 0) &&
+ (gpio_direction_output(pdata->gpio_reset, 1) == 0)) {
+ fusion_F0710A.gpio_reset = pdata->gpio_reset;
+ fusion_F0710A_reset();
+ gpio_export(pdata->gpio_reset, 0);
+ } else {
+ dev_warn(&i2c->dev, "Could not obtain GPIO for Fusion reset\n");
+ ret = -ENODEV;
+ goto bail0;
+ }
+
+ /* Use Pen Down GPIO as sampling interrupt */
+ i2c->irq = gpio_to_irq(pdata->gpio_int);
+ irq_set_irq_type(i2c->irq, IRQ_TYPE_LEVEL_HIGH);
+
+ if (!i2c->irq) {
+ dev_err(&i2c->dev, "fusion_F0710A irq < 0 \n");
+ ret = -ENOMEM;
+ goto bail1;
+ }
+
+ /* Attach the I2C client */
+ fusion_F0710A.client = i2c;
+ i2c_set_clientdata(i2c, &fusion_F0710A);
+
+ dev_info(&i2c->dev, "Touchscreen registered with bus id (%d) with slave address 0x%x\n",
+ i2c_adapter_id(fusion_F0710A.client->adapter), fusion_F0710A.client->addr);
+
+ /* Read out a lot of registers */
+ ret = fusion_F0710A_read_u8(fusion_F0710A_VIESION_INFO_LO);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "query failed: %d\n", ret);
+ goto bail1;
+ }
+
+ ver_product = (((u8)ret) & 0xc0) >> 6;
+ version = (10 + ((((u32)ret)&0x30) >> 4)) * 100000;
+ version += (((u32)ret)&0xf) * 1000;
+ /* Read out a lot of registers */
+ ret = fusion_F0710A_read_u8(fusion_F0710A_VIESION_INFO);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "query failed: %d\n", ret);
+ goto bail1;
+ }
+
+ ver_id = ((u8)(ret) & 0x6) >> 1;
+ version += ((((u32)ret) & 0xf8) >> 3) * 10;
+ version += (((u32)ret) & 0x1) + 1; /* 0 is build 1, 1 is build 2 */
+ dev_info(&i2c->dev, "version product %s(%d)\n", g_ver_product[ver_product], ver_product);
+ dev_info(&i2c->dev, "version id %s(%d)\n", ver_id ? "1.4" : "1.0", ver_id);
+ dev_info(&i2c->dev, "version series (%d)\n", version);
+
+ switch(ver_product)
+ {
+ case fusion_F0710A_VIESION_07: /* 7 inch */
+ fusion_F0710A.info.xres = fusion_F0710A07_XMAX;
+ fusion_F0710A.info.yres = fusion_F0710A07_YMAX;
+ fusion_F0710A.info.xy_reverse = fusion_F0710A07_REV;
+ break;
+ case fusion_F0710A_VIESION_43: /* 4.3 inch */
+ fusion_F0710A.info.xres = fusion_F0710A43_XMAX;
+ fusion_F0710A.info.yres = fusion_F0710A43_YMAX;
+ fusion_F0710A.info.xy_reverse = fusion_F0710A43_REV;
+ break;
+ default: /* fusion_F0710A_VIESION_10 10 inch */
+ fusion_F0710A.info.xres = fusion_F0710A10_XMAX;
+ fusion_F0710A.info.yres = fusion_F0710A10_YMAX;
+ fusion_F0710A.info.xy_reverse = fusion_F0710A10_REV;
+ break;
+ }
+
+ /* Register the input device. */
+ ret = fusion_F0710A_register_input();
+ if (ret < 0) {
+ dev_err(&i2c->dev, "can't register input: %d\n", ret);
+ goto bail1;
+ }
+
+ /* Create a worker thread */
+ fusion_F0710A.workq = create_singlethread_workqueue(DRV_NAME);
+ if (fusion_F0710A.workq == NULL) {
+ dev_err(&i2c->dev, "can't create work queue\n");
+ ret = -ENOMEM;
+ goto bail2;
+ }
+
+ /* Register for the interrupt and enable it. Our handler will
+ * start getting invoked after this call.
+ */
+ ret = request_irq(i2c->irq, fusion_F0710A_interrupt, IRQF_TRIGGER_RISING,
+ i2c->name, &fusion_F0710A);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "can't get irq %d: %d\n", i2c->irq, ret);
+ goto bail3;
+ }
+
+ /* clear the irq first */
+ ret = fusion_F0710A_write_u8(fusion_F0710A_SCAN_COMPLETE, 0);
+ if (ret < 0) {
+ dev_err(&i2c->dev, "Clear irq failed: %d\n", ret);
+ goto bail4;
+ }
+
+ return 0;
+
+bail4:
+ free_irq(i2c->irq, &fusion_F0710A);
+
+bail3:
+ destroy_workqueue(fusion_F0710A.workq);
+ fusion_F0710A.workq = NULL;
+
+bail2:
+ input_unregister_device(fusion_F0710A.input);
+bail1:
+ gpio_free(pdata->gpio_reset);
+bail0:
+ gpio_free(pdata->gpio_int);
+
+ return ret;
+}
+
+static int __maybe_unused fusion_F0710A_suspend(struct device *dev)
+{
+ struct i2c_client *i2c = to_i2c_client(dev);
+ disable_irq(i2c->irq);
+ flush_workqueue(fusion_F0710A.workq);
+
+ return 0;
+}
+
+static int __maybe_unused fusion_F0710A_resume(struct device *dev)
+{
+ struct i2c_client *i2c = to_i2c_client(dev);
+ enable_irq(i2c->irq);
+
+ return 0;
+}
+
+static int fusion_F0710A_remove(struct i2c_client *i2c)
+{
+ struct fusion_f0710a_init_data *pdata = i2c->dev.platform_data;
+
+ gpio_free(pdata->gpio_int);
+ gpio_free(pdata->gpio_reset);
+ destroy_workqueue(fusion_F0710A.workq);
+ free_irq(i2c->irq, &fusion_F0710A);
+ input_unregister_device(fusion_F0710A.input);
+ i2c_set_clientdata(i2c, NULL);
+
+ dev_info(&i2c->dev, "driver removed\n");
+
+ return 0;
+}
+
+static struct i2c_device_id fusion_F0710A_id[] = {
+ {"fusion_F0710A", 0},
+ {},
+};
+
+static const struct of_device_id fusion_F0710A_dt_ids[] = {
+ {
+ .compatible = "touchrevolution,fusion-f0710a",
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, fusion_F0710A_dt_ids);
+
+static const struct dev_pm_ops fusion_F0710A_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(fusion_F0710A_suspend, fusion_F0710A_resume)
+};
+
+static struct i2c_driver fusion_F0710A_i2c_drv = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = DRV_NAME,
+ .pm = &fusion_F0710A_pm_ops,
+ .of_match_table = fusion_F0710A_dt_ids,
+ },
+ .probe = fusion_F0710A_probe,
+ .remove = fusion_F0710A_remove,
+ .id_table = fusion_F0710A_id,
+ .address_list = normal_i2c,
+};
+
+static int __init fusion_F0710A_init( void )
+{
+ int ret;
+
+ memset(&fusion_F0710A, 0, sizeof(fusion_F0710A));
+
+ /* Probe for fusion_F0710A on I2C. */
+ ret = i2c_add_driver(&fusion_F0710A_i2c_drv);
+ if (ret < 0) {
+ printk(KERN_WARNING DRV_NAME " can't add i2c driver: %d\n", ret);
+ }
+
+ return ret;
+}
+
+static void __exit fusion_F0710A_exit( void )
+{
+ i2c_del_driver(&fusion_F0710A_i2c_drv);
+}
+
+module_init(fusion_F0710A_init);
+module_exit(fusion_F0710A_exit);
+
+MODULE_DESCRIPTION("fusion_F0710A Touchscreen Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/fusion_F0710A.h b/drivers/input/touchscreen/fusion_F0710A.h
new file mode 100644
index 000000000000..6805332d23e5
--- /dev/null
+++ b/drivers/input/touchscreen/fusion_F0710A.h
@@ -0,0 +1,87 @@
+/*
+ * "fusion_F0710A" touchscreen driver
+ *
+ * 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.
+ */
+
+/* I2C slave address */
+#define fusion_F0710A_I2C_SLAVE_ADDR 0x10
+
+/* I2C registers */
+#define fusion_F0710A_DATA_INFO 0x00
+
+/* First Point*/
+#define fusion_F0710A_POS_X1_HI 0x01 /* 16-bit register, MSB */
+#define fusion_F0710A_POS_X1_LO 0x02 /* 16-bit register, LSB */
+#define fusion_F0710A_POS_Y1_HI 0x03 /* 16-bit register, MSB */
+#define fusion_F0710A_POS_Y1_LO 0x04 /* 16-bit register, LSB */
+#define fusion_F0710A_FIR_PRESS 0X05
+#define fusion_F0710A_FIR_TIDTS 0X06
+
+/* Second Point */
+#define fusion_F0710A_POS_X2_HI 0x07 /* 16-bit register, MSB */
+#define fusion_F0710A_POS_X2_LO 0x08 /* 16-bit register, LSB */
+#define fusion_F0710A_POS_Y2_HI 0x09 /* 16-bit register, MSB */
+#define fusion_F0710A_POS_Y2_LO 0x0A /* 16-bit register, LSB */
+#define fusion_F0710A_SEC_PRESS 0x0B
+#define fusion_F0710A_SEC_TIDTS 0x0C
+
+#define fusion_F0710A_VIESION_INFO_LO 0X0E
+#define fusion_F0710A_VIESION_INFO 0X0F
+
+#define fusion_F0710A_RESET 0x10
+#define fusion_F0710A_SCAN_COMPLETE 0x11
+
+
+#define fusion_F0710A_VIESION_10 0
+#define fusion_F0710A_VIESION_07 1
+#define fusion_F0710A_VIESION_43 2
+
+/* fusion_F0710A 10 inch panel */
+#define fusion_F0710A10_XMAX 2275
+#define fusion_F0710A10_YMAX 1275
+#define fusion_F0710A10_REV 1
+
+/* fusion_F0710A 7 inch panel */
+#define fusion_F0710A07_XMAX 1500
+#define fusion_F0710A07_YMAX 900
+#define fusion_F0710A07_REV 0
+
+/* fusion_F0710A 4.3 inch panel */
+#define fusion_F0710A43_XMAX 900
+#define fusion_F0710A43_YMAX 500
+#define fusion_F0710A43_REV 0
+
+#define fusion_F0710A_SAVE_PT1 0x1
+#define fusion_F0710A_SAVE_PT2 0x2
+
+
+
+/* fusion_F0710A touch screen information */
+struct fusion_F0710A_info {
+ int xres; /* x resolution */
+ int yres; /* y resolution */
+ int xy_reverse; /* if need reverse in the x,y value x=xres-1-x, y=yres-1-y*/
+};
+
+struct fusion_F0710A_data {
+ struct fusion_F0710A_info info;
+ struct i2c_client *client;
+ struct workqueue_struct *workq;
+ struct input_dev *input;
+ int gpio_reset;
+ u16 x1;
+ u16 y1;
+ u8 z1;
+ u8 tip1;
+ u8 tid1;
+ u16 x2;
+ u16 y2;
+ u8 z2;
+ u8 tip2;
+ u8 tid2;
+ u8 f_num;
+ u8 save_points;
+};
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
index ddf694b9fffc..a235ed9f9bc8 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -280,7 +280,7 @@ static int ili210x_i2c_probe(struct i2c_client *client,
goto err_remove_sysfs;
}
- device_init_wakeup(&client->dev, 1);
+ device_init_wakeup(dev, 1);
dev_dbg(dev,
"ILI210x initialized (IRQ: %d), firmware version %d.%d.%d",
diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c
index 4b961ad9f0b5..bb91336bcae8 100644
--- a/drivers/input/touchscreen/pixcir_i2c_ts.c
+++ b/drivers/input/touchscreen/pixcir_i2c_ts.c
@@ -465,7 +465,7 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client,
if (error)
return error;
} else {
- dev_err(&client->dev, "platform data not defined\n");
+ dev_err(dev, "platform data not defined\n");
return -EINVAL;
}
@@ -487,7 +487,7 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client,
input->id.bustype = BUS_I2C;
input->open = pixcir_input_open;
input->close = pixcir_input_close;
- input->dev.parent = &client->dev;
+ input->dev.parent = dev;
if (pdata) {
input_set_abs_params(input, ABS_MT_POSITION_X, 0, pdata->x_max, 0, 0);
diff --git a/drivers/input/touchscreen/rohm_bu21023.c b/drivers/input/touchscreen/rohm_bu21023.c
index ba6024f93469..9546da7cafe2 100644
--- a/drivers/input/touchscreen/rohm_bu21023.c
+++ b/drivers/input/touchscreen/rohm_bu21023.c
@@ -1189,8 +1189,7 @@ static int rohm_bu21023_i2c_probe(struct i2c_client *client,
error = devm_add_action(dev, rohm_ts_remove_sysfs_group, dev);
if (error) {
rohm_ts_remove_sysfs_group(dev);
- dev_err(&client->dev,
- "Failed to add sysfs cleanup action: %d\n",
+ dev_err(dev, "Failed to add sysfs cleanup action: %d\n",
error);
return error;
}
diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c
index a4a103e1d11b..41d58e88cc8a 100644
--- a/drivers/input/touchscreen/s3c2410_ts.c
+++ b/drivers/input/touchscreen/s3c2410_ts.c
@@ -250,7 +250,7 @@ static int s3c2410ts_probe(struct platform_device *pdev)
ts.dev = dev;
- info = dev_get_platdata(&pdev->dev);
+ info = dev_get_platdata(dev);
if (!info) {
dev_err(dev, "no platform data, cannot attach\n");
return -EINVAL;
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-27 17:38:44 +0000