1 files changed, 0 insertions, 503 deletions
diff --git a/drivers/media/usb/tm6000/tm6000-input.c b/drivers/media/usb/tm6000/tm6000-input.c
deleted file mode 100644
index 5136e9e202f1..000000000000
--- a/drivers/media/usb/tm6000/tm6000-input.c
+++ /dev/null
@@ -1,503 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- *  tm6000-input.c - driver for TM5600/TM6000/TM6010 USB video capture devices
- *
- *  Copyright (C) 2010 Stefan Ringel <stefan.ringel@arcor.de>
- */
-
-#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, "debug message level");
-
-static unsigned int enable_ir = 1;
-module_param(enable_ir, int, 0644);
-MODULE_PARM_DESC(enable_ir, "enable ir (default is enable)");
-
-static unsigned int ir_clock_mhz = 12;
-module_param(ir_clock_mhz, int, 0644);
-MODULE_PARM_DESC(ir_clock_mhz, "ir clock, in MHz");
-
-#define URB_SUBMIT_DELAY	100	/* ms - Delay to submit an URB request on retrial and init */
-#define URB_INT_LED_DELAY	100	/* ms - Delay to turn led on again on int mode */
-
-#undef dprintk
-
-#define dprintk(level, fmt, arg...) do {\
-	if (ir_debug >= level) \
-		printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \
-	} while (0)
-
-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			pwled:2;
-	u8			submit_urb:1;
-	struct urb		*int_urb;
-
-	/* IR device properties */
-	u64			rc_proto;
-};
-
-void tm6000_ir_wait(struct tm6000_core *dev, u8 state)
-{
-	struct tm6000_IR *ir = dev->ir;
-
-	if (!dev->ir)
-		return;
-
-	dprintk(2, "%s: %i\n",__func__, ir->wait);
-
-	if (state)
-		ir->wait = 1;
-	else
-		ir->wait = 0;
-}
-
-static int tm6000_ir_config(struct tm6000_IR *ir)
-{
-	struct tm6000_core *dev = ir->dev;
-	u32 pulse = 0, leader = 0;
-
-	dprintk(2, "%s\n",__func__);
-
-	/*
-	 * The IR decoder supports RC-5 or NEC, with a configurable timing.
-	 * The timing configuration there is not that accurate, as it uses
-	 * approximate values. The NEC spec mentions a 562.5 unit period,
-	 * and RC-5 uses a 888.8 period.
-	 * Currently, driver assumes a clock provided by a 12 MHz XTAL, but
-	 * a modprobe parameter can adjust it.
-	 * Adjustments are required for other timings.
-	 * It seems that the 900ms timing for NEC is used to detect a RC-5
-	 * IR, in order to discard such decoding
-	 */
-
-	switch (ir->rc_proto) {
-	case RC_PROTO_BIT_NEC:
-		leader = 900;	/* ms */
-		pulse  = 700;	/* ms - the actual value would be 562 */
-		break;
-	default:
-	case RC_PROTO_BIT_RC5:
-		leader = 900;	/* ms - from the NEC decoding */
-		pulse  = 1780;	/* ms - The actual value would be 1776 */
-		break;
-	}
-
-	pulse = ir_clock_mhz * pulse;
-	leader = ir_clock_mhz * leader;
-	if (ir->rc_proto == RC_PROTO_BIT_NEC)
-		leader = leader | 0x8000;
-
-	dprintk(2, "%s: %s, %d MHz, leader = 0x%04x, pulse = 0x%06x \n",
-		__func__,
-		(ir->rc_proto == RC_PROTO_BIT_NEC) ? "NEC" : "RC-5",
-		ir_clock_mhz, leader, pulse);
-
-	/* Remote WAKEUP = enable, normal mode, from IR decoder output */
-	tm6000_set_reg(dev, TM6010_REQ07_RE5_REMOTE_WAKEUP, 0xfe);
-
-	/* Enable IR reception on non-busrt mode */
-	tm6000_set_reg(dev, TM6010_REQ07_RD8_IR, 0x2f);
-
-	/* IR_WKUP_SEL = Low byte in decoded IR data */
-	tm6000_set_reg(dev, TM6010_REQ07_RDA_IR_WAKEUP_SEL, 0xff);
-	/* IR_WKU_ADD code */
-	tm6000_set_reg(dev, TM6010_REQ07_RDB_IR_WAKEUP_ADD, 0xff);
-
-	tm6000_set_reg(dev, TM6010_REQ07_RDC_IR_LEADER1, leader >> 8);
-	tm6000_set_reg(dev, TM6010_REQ07_RDD_IR_LEADER0, leader);
-
-	tm6000_set_reg(dev, TM6010_REQ07_RDE_IR_PULSE_CNT1, pulse >> 8);
-	tm6000_set_reg(dev, TM6010_REQ07_RDF_IR_PULSE_CNT0, pulse);
-
-	if (!ir->polling)
-		tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);
-	else
-		tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1);
-	msleep(10);
-
-	/* Shows that IR is working via the LED */
-	tm6000_flash_led(dev, 0);
-	msleep(100);
-	tm6000_flash_led(dev, 1);
-	ir->pwled = 1;
-
-	return 0;
-}
-
-static void tm6000_ir_keydown(struct tm6000_IR *ir,
-			      const char *buf, unsigned int len)
-{
-	u8 device, command;
-	u32 scancode;
-	enum rc_proto protocol;
-
-	if (len < 1)
-		return;
-
-	command = buf[0];
-	device = (len > 1 ? buf[1] : 0x0);
-	switch (ir->rc_proto) {
-	case RC_PROTO_BIT_RC5:
-		protocol = RC_PROTO_RC5;
-		scancode = RC_SCANCODE_RC5(device, command);
-		break;
-	case RC_PROTO_BIT_NEC:
-		protocol = RC_PROTO_NEC;
-		scancode = RC_SCANCODE_NEC(device, command);
-		break;
-	default:
-		protocol = RC_PROTO_OTHER;
-		scancode = RC_SCANCODE_OTHER(device << 8 | command);
-		break;
-	}
-
-	dprintk(1, "%s, protocol: 0x%04x, scancode: 0x%08x\n",
-		__func__, protocol, scancode);
-	rc_keydown(ir->rc, protocol, scancode, 0);
-}
-
-static void tm6000_ir_urb_received(struct urb *urb)
-{
-	struct tm6000_core *dev = urb->context;
-	struct tm6000_IR *ir = dev->ir;
-	char *buf;
-
-	dprintk(2, "%s\n",__func__);
-	if (urb->status < 0 || urb->actual_length <= 0) {
-		printk(KERN_INFO "tm6000: IR URB failure: status: %i, length %i\n",
-		       urb->status, urb->actual_length);
-		ir->submit_urb = 1;
-		schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));
-		return;
-	}
-	buf = urb->transfer_buffer;
-
-	if (ir_debug)
-		print_hex_dump(KERN_DEBUG, "tm6000: IR data: ",
-			       DUMP_PREFIX_OFFSET,16, 1,
-			       buf, urb->actual_length, false);
-
-	tm6000_ir_keydown(ir, urb->transfer_buffer, urb->actual_length);
-
-	usb_submit_urb(urb, GFP_ATOMIC);
-	/*
-	 * Flash the led. We can't do it here, as it is running on IRQ context.
-	 * So, use the scheduler to do it, in a few ms.
-	 */
-	ir->pwled = 2;
-	schedule_delayed_work(&ir->work, msecs_to_jiffies(10));
-}
-
-static void tm6000_ir_handle_key(struct work_struct *work)
-{
-	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);
-	struct tm6000_core *dev = ir->dev;
-	int rc;
-	u8 buf[2];
-
-	if (ir->wait)
-		return;
-
-	dprintk(3, "%s\n",__func__);
-
-	rc = tm6000_read_write_usb(dev, USB_DIR_IN |
-		USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-		REQ_02_GET_IR_CODE, 0, 0, buf, 2);
-	if (rc < 0)
-		return;
-
-	/* Check if something was read */
-	if ((buf[0] & 0xff) == 0xff) {
-		if (!ir->pwled) {
-			tm6000_flash_led(dev, 1);
-			ir->pwled = 1;
-		}
-		return;
-	}
-
-	tm6000_ir_keydown(ir, buf, rc);
-	tm6000_flash_led(dev, 0);
-	ir->pwled = 0;
-
-	/* Re-schedule polling */
-	schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));
-}
-
-static void tm6000_ir_int_work(struct work_struct *work)
-{
-	struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work);
-	struct tm6000_core *dev = ir->dev;
-	int rc;
-
-	dprintk(3, "%s, submit_urb = %d, pwled = %d\n",__func__, ir->submit_urb,
-		ir->pwled);
-
-	if (ir->submit_urb) {
-		dprintk(3, "Resubmit urb\n");
-		tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0);
-
-		rc = usb_submit_urb(ir->int_urb, GFP_ATOMIC);
-		if (rc < 0) {
-			printk(KERN_ERR "tm6000: Can't submit an IR interrupt. Error %i\n",
-			       rc);
-			/* Retry in 100 ms */
-			schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));
-			return;
-		}
-		ir->submit_urb = 0;
-	}
-
-	/* Led is enabled only if USB submit doesn't fail */
-	if (ir->pwled == 2) {
-		tm6000_flash_led(dev, 0);
-		ir->pwled = 0;
-		schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_INT_LED_DELAY));
-	} else if (!ir->pwled) {
-		tm6000_flash_led(dev, 1);
-		ir->pwled = 1;
-	}
-}
-
-static int tm6000_ir_start(struct rc_dev *rc)
-{
-	struct tm6000_IR *ir = rc->priv;
-
-	dprintk(2, "%s\n",__func__);
-
-	schedule_delayed_work(&ir->work, 0);
-
-	return 0;
-}
-
-static void tm6000_ir_stop(struct rc_dev *rc)
-{
-	struct tm6000_IR *ir = rc->priv;
-
-	dprintk(2, "%s\n",__func__);
-
-	cancel_delayed_work_sync(&ir->work);
-}
-
-static int tm6000_ir_change_protocol(struct rc_dev *rc, u64 *rc_proto)
-{
-	struct tm6000_IR *ir = rc->priv;
-
-	if (!ir)
-		return 0;
-
-	dprintk(2, "%s\n",__func__);
-
-	ir->rc_proto = *rc_proto;
-
-	tm6000_ir_config(ir);
-	/* TODO */
-	return 0;
-}
-
-static int __tm6000_ir_int_start(struct rc_dev *rc)
-{
-	struct tm6000_IR *ir = rc->priv;
-	struct tm6000_core *dev;
-	int pipe, size;
-	int err = -ENOMEM;
-
-	if (!ir)
-		return -ENODEV;
-	dev = ir->dev;
-
-	dprintk(2, "%s\n",__func__);
-
-	ir->int_urb = usb_alloc_urb(0, GFP_ATOMIC);
-	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);
-	dprintk(1, "IR max size: %d\n", size);
-
-	ir->int_urb->transfer_buffer = kzalloc(size, GFP_ATOMIC);
-	if (!ir->int_urb->transfer_buffer) {
-		usb_free_urb(ir->int_urb);
-		return err;
-	}
-	dprintk(1, "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);
-
-	ir->submit_urb = 1;
-	schedule_delayed_work(&ir->work, msecs_to_jiffies(URB_SUBMIT_DELAY));
-
-	return 0;
-}
-
-static void __tm6000_ir_int_stop(struct rc_dev *rc)
-{
-	struct tm6000_IR *ir = rc->priv;
-
-	if (!ir || !ir->int_urb)
-		return;
-
-	dprintk(2, "%s\n",__func__);
-
-	usb_kill_urb(ir->int_urb);
-	kfree(ir->int_urb->transfer_buffer);
-	usb_free_urb(ir->int_urb);
-	ir->int_urb = NULL;
-}
-
-int tm6000_ir_int_start(struct tm6000_core *dev)
-{
-	struct tm6000_IR *ir = dev->ir;
-
-	if (!ir)
-		return 0;
-
-	return __tm6000_ir_int_start(ir->rc);
-}
-
-void tm6000_ir_int_stop(struct tm6000_core *dev)
-{
-	struct tm6000_IR *ir = dev->ir;
-
-	if (!ir || !ir->rc)
-		return;
-
-	__tm6000_ir_int_stop(ir->rc);
-}
-
-int tm6000_ir_init(struct tm6000_core *dev)
-{
-	struct tm6000_IR *ir;
-	struct rc_dev *rc;
-	int err = -ENOMEM;
-	u64 rc_proto;
-
-	if (!enable_ir)
-		return -ENODEV;
-
-	if (!dev->caps.has_remote)
-		return 0;
-
-	if (!dev->ir_codes)
-		return 0;
-
-	ir = kzalloc(sizeof(*ir), GFP_ATOMIC);
-	rc = rc_allocate_device(RC_DRIVER_SCANCODE);
-	if (!ir || !rc)
-		goto out;
-
-	dprintk(2, "%s\n", __func__);
-
-	/* record handles to ourself */
-	ir->dev = dev;
-	dev->ir = ir;
-	ir->rc = rc;
-
-	/* input setup */
-	rc->allowed_protocols = RC_PROTO_BIT_RC5 | RC_PROTO_BIT_NEC;
-	/* Needed, in order to support NEC remotes with 24 or 32 bits */
-	rc->scancode_mask = 0xffff;
-	rc->priv = ir;
-	rc->change_protocol = tm6000_ir_change_protocol;
-	if (dev->int_in.endp) {
-		rc->open    = __tm6000_ir_int_start;
-		rc->close   = __tm6000_ir_int_stop;
-		INIT_DELAYED_WORK(&ir->work, tm6000_ir_int_work);
-	} else {
-		rc->open  = tm6000_ir_start;
-		rc->close = tm6000_ir_stop;
-		ir->polling = 50;
-		INIT_DELAYED_WORK(&ir->work, tm6000_ir_handle_key);
-	}
-
-	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));
-
-	rc_proto = RC_PROTO_BIT_UNKNOWN;
-	tm6000_ir_change_protocol(rc, &rc_proto);
-
-	rc->device_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;
-
-	/* 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;
-
-	dprintk(2, "%s\n",__func__);
-
-	if (!ir->polling)
-		__tm6000_ir_int_stop(ir->rc);
-
-	tm6000_ir_stop(ir->rc);
-
-	/* Turn off the led */
-	tm6000_flash_led(dev, 0);
-	ir->pwled = 0;
-
-	rc_unregister_device(ir->rc);
-
-	kfree(ir);
-	dev->ir = NULL;
-
-	return 0;
-}