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path: root/drivers/staging/tm6000/tm6000-input.c
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Diffstat (limited to 'drivers/staging/tm6000/tm6000-input.c')
-rw-r--r--drivers/staging/tm6000/tm6000-input.c459
1 files changed, 0 insertions, 459 deletions
diff --git a/drivers/staging/tm6000/tm6000-input.c b/drivers/staging/tm6000/tm6000-input.c
deleted file mode 100644
index 70a2c5f557c..00000000000
--- a/drivers/staging/tm6000/tm6000-input.c
+++ /dev/null
@@ -1,459 +0,0 @@
-/*
- * tm6000-input.c - driver for TM5600/TM6000/TM6010 USB video capture devices
- *
- * Copyright (C) 2010 Stefan Ringel <stefan.ringel@arcor.de>
- *
- * 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 version 2
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-
-#include <linux/input.h>
-#include <linux/usb.h>
-
-#include <media/rc-core.h>
-
-#include "tm6000.h"
-#include "tm6000-regs.h"
-
-static unsigned int ir_debug;
-module_param(ir_debug, int, 0644);
-MODULE_PARM_DESC(ir_debug, "enable debug message [IR]");
-
-static unsigned int enable_ir = 1;
-module_param(enable_ir, int, 0644);
-MODULE_PARM_DESC(enable_ir, "enable ir (default is enable)");
-
-/* number of 50ms for ON-OFF-ON power led */
-/* show IR activity */
-#define PWLED_OFF 2
-
-#undef dprintk
-
-#define dprintk(fmt, arg...) \
- if (ir_debug) { \
- printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \
- }
-
-struct tm6000_ir_poll_result {
- u16 rc_data;
-};
-
-struct tm6000_IR {
- struct tm6000_core *dev;
- struct rc_dev *rc;
- char name[32];
- char phys[32];
-
- /* poll expernal decoder */
- int polling;
- struct delayed_work work;
- u8 wait:1;
- u8 key:1;
- u8 pwled:1;
- u8 pwledcnt;
- u16 key_addr;
- struct urb *int_urb;
- u8 *urb_data;
-
- int (*get_key) (struct tm6000_IR *, struct tm6000_ir_poll_result *);
-
- /* IR device properties */
- u64 rc_type;
-};
-
-
-void tm6000_ir_wait(struct tm6000_core *dev, u8 state)
-{
- struct tm6000_IR *ir = dev->ir;
-
- if (!dev->ir)
- return;
-
- if (state)
- ir->wait = 1;
- else
- ir->wait = 0;
-}
-
-
-static int tm6000_ir_config(struct tm6000_IR *ir)
-{
- struct tm6000_core *dev = ir->dev;
- u8 buf[10];
- int rc;
-
- switch (ir->rc_type) {
- case RC_TYPE_NEC:
- /* Setup IR decoder for NEC standard 12MHz system clock */
- /* IR_LEADER_CNT = 0.9ms */
- tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_LEADER1, 0xaa);
- tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_LEADER0, 0x30);
- /* IR_PULSE_CNT = 0.7ms */
- tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_PULSE_CNT1, 0x20);
- tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_PULSE_CNT0, 0xd0);
- /* Remote WAKEUP = enable */
- tm6000_set_reg(dev, TM6010_REQ07_RE5_REMOTE_WAKEUP, 0xfe);
- /* IR_WKUP_SEL = Low byte in decoded IR data */
- tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_WAKEUP_SEL, 0xff);
- /* IR_WKU_ADD code */
- tm6000_set_reg(dev, TM6010_REQ07_RD8_IR_WAKEUP_ADD, 0xff);
- tm6000_flash_led(dev, 0);
- msleep(100);
- tm6000_flash_led(dev, 1);
- break;
- default:
- /* hack */
- buf[0] = 0xff;
- buf[1] = 0xff;
- buf[2] = 0xf2;
- buf[3] = 0x2b;
- buf[4] = 0x20;
- buf[5] = 0x35;
- buf[6] = 0x60;
- buf[7] = 0x04;
- buf[8] = 0xc0;
- buf[9] = 0x08;
-
- rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR |
- USB_RECIP_DEVICE, REQ_00_SET_IR_VALUE, 0, 0, buf, 0x0a);
- msleep(100);
-
- if (rc < 0) {
- printk(KERN_INFO "IR configuration failed");
- return rc;
- }
- break;
- }
-
- return 0;
-}
-
-static void tm6000_ir_urb_received(struct urb *urb)
-{
- struct tm6000_core *dev = urb->context;
- struct tm6000_IR *ir = dev->ir;
- int rc;
-
- if (urb->status != 0)
- printk(KERN_INFO "not ready\n");
- else if (urb->actual_length > 0) {
- memcpy(ir->urb_data, urb->transfer_buffer, urb->actual_length);
-
- dprintk("data %02x %02x %02x %02x\n", ir->urb_data[0],
- ir->urb_data[1], ir->urb_data[2], ir->urb_data[3]);
-
- ir->key = 1;
- }
-
- rc = usb_submit_urb(urb, GFP_ATOMIC);
-}
-
-static int default_polling_getkey(struct tm6000_IR *ir,
- struct tm6000_ir_poll_result *poll_result)
-{
- struct tm6000_core *dev = ir->dev;
- int rc;
- u8 buf[2];
-
- if (ir->wait && !&dev->int_in)
- return 0;
-
- if (&dev->int_in) {
- switch (ir->rc_type) {
- case RC_TYPE_RC5:
- poll_result->rc_data = ir->urb_data[0];
- break;
- case RC_TYPE_NEC:
- if (ir->urb_data[1] == ((ir->key_addr >> 8) & 0xff)) {
- poll_result->rc_data = ir->urb_data[0]
- | ir->urb_data[1] << 8;
- }
- break;
- default:
- poll_result->rc_data = ir->urb_data[0]
- | ir->urb_data[1] << 8;
- break;
- }
- } else {
- tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);
- msleep(10);
- tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1);
- msleep(10);
-
- if (ir->rc_type == RC_TYPE_RC5) {
- rc = tm6000_read_write_usb(dev, USB_DIR_IN |
- USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- REQ_02_GET_IR_CODE, 0, 0, buf, 1);
-
- msleep(10);
-
- dprintk("read data=%02x\n", buf[0]);
- if (rc < 0)
- return rc;
-
- poll_result->rc_data = buf[0];
- } else {
- rc = tm6000_read_write_usb(dev, USB_DIR_IN |
- USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- REQ_02_GET_IR_CODE, 0, 0, buf, 2);
-
- msleep(10);
-
- dprintk("read data=%04x\n", buf[0] | buf[1] << 8);
- if (rc < 0)
- return rc;
-
- poll_result->rc_data = buf[0] | buf[1] << 8;
- }
- if ((poll_result->rc_data & 0x00ff) != 0xff)
- ir->key = 1;
- }
- return 0;
-}
-
-static void tm6000_ir_handle_key(struct tm6000_IR *ir)
-{
- struct tm6000_core *dev = ir->dev;
- int result;
- struct tm6000_ir_poll_result poll_result;
-
- /* read the registers containing the IR status */
- result = ir->get_key(ir, &poll_result);
- if (result < 0) {
- printk(KERN_INFO "ir->get_key() failed %d\n", result);
- return;
- }
-
- dprintk("ir->get_key result data=%04x\n", poll_result.rc_data);
-
- if (ir->pwled) {
- if (ir->pwledcnt >= PWLED_OFF) {
- ir->pwled = 0;
- ir->pwledcnt = 0;
- tm6000_flash_led(dev, 1);
- } else
- ir->pwledcnt += 1;
- }
-
- if (ir->key) {
- rc_keydown(ir->rc, poll_result.rc_data, 0);
- ir->key = 0;
- ir->pwled = 1;
- ir->pwledcnt = 0;
- tm6000_flash_led(dev, 0);
- }
- return;
-}
-
-static void tm6000_ir_work(struct work_struct *work)
-{
- struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);
-
- tm6000_ir_handle_key(ir);
- schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));
-}
-
-static int tm6000_ir_start(struct rc_dev *rc)
-{
- struct tm6000_IR *ir = rc->priv;
-
- INIT_DELAYED_WORK(&ir->work, tm6000_ir_work);
- schedule_delayed_work(&ir->work, 0);
-
- return 0;
-}
-
-static void tm6000_ir_stop(struct rc_dev *rc)
-{
- struct tm6000_IR *ir = rc->priv;
-
- cancel_delayed_work_sync(&ir->work);
-}
-
-int tm6000_ir_change_protocol(struct rc_dev *rc, u64 rc_type)
-{
- struct tm6000_IR *ir = rc->priv;
-
- if (!ir)
- return 0;
-
- if ((rc->rc_map.scan) && (rc_type == RC_TYPE_NEC))
- ir->key_addr = ((rc->rc_map.scan[0].scancode >> 8) & 0xffff);
-
- ir->get_key = default_polling_getkey;
- ir->rc_type = rc_type;
-
- tm6000_ir_config(ir);
- /* TODO */
- return 0;
-}
-
-int tm6000_ir_int_start(struct tm6000_core *dev)
-{
- struct tm6000_IR *ir = dev->ir;
- int pipe, size;
- int err = -ENOMEM;
-
-
- if (!ir)
- return -ENODEV;
-
- ir->int_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!ir->int_urb)
- return -ENOMEM;
-
- pipe = usb_rcvintpipe(dev->udev,
- dev->int_in.endp->desc.bEndpointAddress
- & USB_ENDPOINT_NUMBER_MASK);
-
- size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
- dprintk("IR max size: %d\n", size);
-
- ir->int_urb->transfer_buffer = kzalloc(size, GFP_KERNEL);
- if (ir->int_urb->transfer_buffer == NULL) {
- usb_free_urb(ir->int_urb);
- return err;
- }
- dprintk("int interval: %d\n", dev->int_in.endp->desc.bInterval);
- usb_fill_int_urb(ir->int_urb, dev->udev, pipe,
- ir->int_urb->transfer_buffer, size,
- tm6000_ir_urb_received, dev,
- dev->int_in.endp->desc.bInterval);
- err = usb_submit_urb(ir->int_urb, GFP_KERNEL);
- if (err) {
- kfree(ir->int_urb->transfer_buffer);
- usb_free_urb(ir->int_urb);
- return err;
- }
- ir->urb_data = kzalloc(size, GFP_KERNEL);
-
- return 0;
-}
-
-void tm6000_ir_int_stop(struct tm6000_core *dev)
-{
- struct tm6000_IR *ir = dev->ir;
-
- if (!ir)
- return;
-
- usb_kill_urb(ir->int_urb);
- kfree(ir->int_urb->transfer_buffer);
- usb_free_urb(ir->int_urb);
- ir->int_urb = NULL;
- kfree(ir->urb_data);
- ir->urb_data = NULL;
-}
-
-int tm6000_ir_init(struct tm6000_core *dev)
-{
- struct tm6000_IR *ir;
- struct rc_dev *rc;
- int err = -ENOMEM;
-
- if (!enable_ir)
- return -ENODEV;
-
- if (!dev->caps.has_remote)
- return 0;
-
- if (!dev->ir_codes)
- return 0;
-
- ir = kzalloc(sizeof(*ir), GFP_KERNEL);
- rc = rc_allocate_device();
- if (!ir || !rc)
- goto out;
-
- /* record handles to ourself */
- ir->dev = dev;
- dev->ir = ir;
- ir->rc = rc;
-
- /* input einrichten */
- rc->allowed_protos = RC_TYPE_RC5 | RC_TYPE_NEC;
- rc->priv = ir;
- rc->change_protocol = tm6000_ir_change_protocol;
- rc->open = tm6000_ir_start;
- rc->close = tm6000_ir_stop;
- rc->driver_type = RC_DRIVER_SCANCODE;
-
- ir->polling = 50;
- ir->pwled = 0;
- ir->pwledcnt = 0;
-
-
- snprintf(ir->name, sizeof(ir->name), "tm5600/60x0 IR (%s)",
- dev->name);
-
- usb_make_path(dev->udev, ir->phys, sizeof(ir->phys));
- strlcat(ir->phys, "/input0", sizeof(ir->phys));
-
- tm6000_ir_change_protocol(rc, RC_TYPE_UNKNOWN);
-
- rc->input_name = ir->name;
- rc->input_phys = ir->phys;
- rc->input_id.bustype = BUS_USB;
- rc->input_id.version = 1;
- rc->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor);
- rc->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct);
- rc->map_name = dev->ir_codes;
- rc->driver_name = "tm6000";
- rc->dev.parent = &dev->udev->dev;
-
- if (&dev->int_in) {
- dprintk("IR over int\n");
-
- err = tm6000_ir_int_start(dev);
-
- if (err)
- goto out;
- }
-
- /* ir register */
- err = rc_register_device(rc);
- if (err)
- goto out;
-
- return 0;
-
-out:
- dev->ir = NULL;
- rc_free_device(rc);
- kfree(ir);
- return err;
-}
-
-int tm6000_ir_fini(struct tm6000_core *dev)
-{
- struct tm6000_IR *ir = dev->ir;
-
- /* skip detach on non attached board */
-
- if (!ir)
- return 0;
-
- rc_unregister_device(ir->rc);
-
- if (ir->int_urb)
- tm6000_ir_int_stop(dev);
-
- kfree(ir);
- dev->ir = NULL;
-
- return 0;
-}