diff options
Diffstat (limited to 'drivers/staging/tm6000/tm6000-input.c')
-rw-r--r-- | drivers/staging/tm6000/tm6000-input.c | 459 |
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; -} |