[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / dvb / dvb-usb / dib0700_core.c

/* Linux driver for devices based on the DiBcom DiB0700 USB bridge
 *
 *	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.
 *
 *  Copyright (C) 2005-6 DiBcom, SA
 */
#include "dib0700.h"

/* debug */
int dvb_usb_dib0700_debug;
module_param_named(debug,dvb_usb_dib0700_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,2=fw,4=fwdata,8=data (or-able))." DVB_USB_DEBUG_STATUS);

int dvb_usb_dib0700_ir_proto = 1;
module_param(dvb_usb_dib0700_ir_proto, int, 0644);
MODULE_PARM_DESC(dvb_usb_dib0700_ir_proto, "set ir protocol (0=NEC, 1=RC5 (default), 2=RC6).");

static int nb_packet_buffer_size = 21;
module_param(nb_packet_buffer_size, int, 0644);
MODULE_PARM_DESC(nb_packet_buffer_size,
	"Set the dib0700 driver data buffer size. This parameter "
	"corresponds to the number of TS packets. The actual size of "
	"the data buffer corresponds to this parameter "
	"multiplied by 188 (default: 21)");

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);


int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion,
			u32 *romversion, u32 *ramversion, u32 *fwtype)
{
	u8 b[16];
	int ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
				  REQUEST_GET_VERSION,
				  USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
				  b, sizeof(b), USB_CTRL_GET_TIMEOUT);
	if (hwversion != NULL)
		*hwversion  = (b[0] << 24)  | (b[1] << 16)  | (b[2] << 8)  | b[3];
	if (romversion != NULL)
		*romversion = (b[4] << 24)  | (b[5] << 16)  | (b[6] << 8)  | b[7];
	if (ramversion != NULL)
		*ramversion = (b[8] << 24)  | (b[9] << 16)  | (b[10] << 8) | b[11];
	if (fwtype != NULL)
		*fwtype     = (b[12] << 24) | (b[13] << 16) | (b[14] << 8) | b[15];
	return ret;
}

/* expecting rx buffer: request data[0] data[1] ... data[2] */
static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen)
{
	int status;

	deb_data(">>> ");
	debug_dump(tx, txlen, deb_data);

	status = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0),
		tx[0], USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, tx, txlen,
		USB_CTRL_GET_TIMEOUT);

	if (status != txlen)
		deb_data("ep 0 write error (status = %d, len: %d)\n",status,txlen);

	return status < 0 ? status : 0;
}

/* expecting tx buffer: request data[0] ... data[n] (n <= 4) */
int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen)
{
	u16 index, value;
	int status;

	if (txlen < 2) {
		err("tx buffer length is smaller than 2. Makes no sense.");
		return -EINVAL;
	}
	if (txlen > 4) {
		err("tx buffer length is larger than 4. Not supported.");
		return -EINVAL;
	}

	deb_data(">>> ");
	debug_dump(tx,txlen,deb_data);

	value = ((txlen - 2) << 8) | tx[1];
	index = 0;
	if (txlen > 2)
		index |= (tx[2] << 8);
	if (txlen > 3)
		index |= tx[3];

	status = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), tx[0],
			USB_TYPE_VENDOR | USB_DIR_IN, value, index, rx, rxlen,
			USB_CTRL_GET_TIMEOUT);

	if (status < 0)
		deb_info("ep 0 read error (status = %d)\n",status);

	deb_data("<<< ");
	debug_dump(rx, rxlen, deb_data);

	return status; /* length in case of success */
}

int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val)
{
	u8 buf[3] = { REQUEST_SET_GPIO, gpio, ((gpio_dir & 0x01) << 7) | ((gpio_val & 0x01) << 6) };
	return dib0700_ctrl_wr(d, buf, sizeof(buf));
}

static int dib0700_set_usb_xfer_len(struct dvb_usb_device *d, u16 nb_ts_packets)
{
	struct dib0700_state *st = d->priv;
	u8 b[3];
	int ret;

	if (st->fw_version >= 0x10201) {
		b[0] = REQUEST_SET_USB_XFER_LEN;
		b[1] = (nb_ts_packets >> 8) & 0xff;
		b[2] = nb_ts_packets & 0xff;

		deb_info("set the USB xfer len to %i Ts packet\n", nb_ts_packets);

		ret = dib0700_ctrl_wr(d, b, sizeof(b));
	} else {
		deb_info("this firmware does not allow to change the USB xfer len\n");
		ret = -EIO;
	}

	return ret;
}

/*
 * I2C master xfer function (supported in 1.20 firmware)
 */
static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg,
				int num)
{
	/* The new i2c firmware messages are more reliable and in particular
	   properly support i2c read calls not preceded by a write */

	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	uint8_t bus_mode = 1;  /* 0=eeprom bus, 1=frontend bus */
	uint8_t gen_mode = 0; /* 0=master i2c, 1=gpio i2c */
	uint8_t en_start = 0;
	uint8_t en_stop = 0;
	uint8_t buf[255]; /* TBV: malloc ? */
	int result, i;

	/* Ensure nobody else hits the i2c bus while we're sending our
	   sequence of messages, (such as the remote control thread) */
	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
		return -EAGAIN;

	for (i = 0; i < num; i++) {
		if (i == 0) {
			/* First message in the transaction */
			en_start = 1;
		} else if (!(msg[i].flags & I2C_M_NOSTART)) {
			/* Device supports repeated-start */
			en_start = 1;
		} else {
			/* Not the first packet and device doesn't support
			   repeated start */
			en_start = 0;
		}
		if (i == (num - 1)) {
			/* Last message in the transaction */
			en_stop = 1;
		}

		if (msg[i].flags & I2C_M_RD) {
			/* Read request */
			u16 index, value;
			uint8_t i2c_dest;

			i2c_dest = (msg[i].addr << 1);
			value = ((en_start << 7) | (en_stop << 6) |
				 (msg[i].len & 0x3F)) << 8 | i2c_dest;
			/* I2C ctrl + FE bus; */
			index = ((gen_mode << 6) & 0xC0) |
				((bus_mode << 4) & 0x30);

			result = usb_control_msg(d->udev,
						 usb_rcvctrlpipe(d->udev, 0),
						 REQUEST_NEW_I2C_READ,
						 USB_TYPE_VENDOR | USB_DIR_IN,
						 value, index, msg[i].buf,
						 msg[i].len,
						 USB_CTRL_GET_TIMEOUT);
			if (result < 0) {
				err("i2c read error (status = %d)\n", result);
				break;
			}

			deb_data("<<< ");
			debug_dump(msg[i].buf, msg[i].len, deb_data);

		} else {
			/* Write request */
			buf[0] = REQUEST_NEW_I2C_WRITE;
			buf[1] = msg[i].addr << 1;
			buf[2] = (en_start << 7) | (en_stop << 6) |
				(msg[i].len & 0x3F);
			/* I2C ctrl + FE bus; */
			buf[3] = ((gen_mode << 6) & 0xC0) |
				 ((bus_mode << 4) & 0x30);
			/* The Actual i2c payload */
			memcpy(&buf[4], msg[i].buf, msg[i].len);

			deb_data(">>> ");
			debug_dump(buf, msg[i].len + 4, deb_data);

			result = usb_control_msg(d->udev,
						 usb_sndctrlpipe(d->udev, 0),
						 REQUEST_NEW_I2C_WRITE,
						 USB_TYPE_VENDOR | USB_DIR_OUT,
						 0, 0, buf, msg[i].len + 4,
						 USB_CTRL_GET_TIMEOUT);
			if (result < 0) {
				err("i2c write error (status = %d)\n", result);
				break;
			}
		}
	}
	mutex_unlock(&d->i2c_mutex);
	return i;
}

/*
 * I2C master xfer function (pre-1.20 firmware)
 */
static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap,
				   struct i2c_msg *msg, int num)
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	int i,len;
	u8 buf[255];

	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
		return -EAGAIN;

	for (i = 0; i < num; i++) {
		/* fill in the address */
		buf[1] = msg[i].addr << 1;
		/* fill the buffer */
		memcpy(&buf[2], msg[i].buf, msg[i].len);

		/* write/read request */
		if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
			buf[0] = REQUEST_I2C_READ;
			buf[1] |= 1;

			/* special thing in the current firmware: when length is zero the read-failed */
			if ((len = dib0700_ctrl_rd(d, buf, msg[i].len + 2, msg[i+1].buf, msg[i+1].len)) <= 0) {
				deb_info("I2C read failed on address 0x%02x\n",
					 msg[i].addr);
				break;
			}

			msg[i+1].len = len;

			i++;
		} else {
			buf[0] = REQUEST_I2C_WRITE;
			if (dib0700_ctrl_wr(d, buf, msg[i].len + 2) < 0)
				break;
		}
	}

	mutex_unlock(&d->i2c_mutex);
	return i;
}

static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg,
			    int num)
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	struct dib0700_state *st = d->priv;

	if (st->fw_use_new_i2c_api == 1) {
		/* User running at least fw 1.20 */
		return dib0700_i2c_xfer_new(adap, msg, num);
	} else {
		/* Use legacy calls */
		return dib0700_i2c_xfer_legacy(adap, msg, num);
	}
}

static u32 dib0700_i2c_func(struct i2c_adapter *adapter)
{
	return I2C_FUNC_I2C;
}

struct i2c_algorithm dib0700_i2c_algo = {
	.master_xfer   = dib0700_i2c_xfer,
	.functionality = dib0700_i2c_func,
};

int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props,
			struct dvb_usb_device_description **desc, int *cold)
{
	u8 b[16];
	s16 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev,0),
		REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, b, 16, USB_CTRL_GET_TIMEOUT);

	deb_info("FW GET_VERSION length: %d\n",ret);

	*cold = ret <= 0;

	deb_info("cold: %d\n", *cold);
	return 0;
}

static int dib0700_set_clock(struct dvb_usb_device *d, u8 en_pll,
	u8 pll_src, u8 pll_range, u8 clock_gpio3, u16 pll_prediv,
	u16 pll_loopdiv, u16 free_div, u16 dsuScaler)
{
	u8 b[10];
	b[0] = REQUEST_SET_CLOCK;
	b[1] = (en_pll << 7) | (pll_src << 6) | (pll_range << 5) | (clock_gpio3 << 4);
	b[2] = (pll_prediv >> 8)  & 0xff; // MSB
	b[3] =  pll_prediv        & 0xff; // LSB
	b[4] = (pll_loopdiv >> 8) & 0xff; // MSB
	b[5] =  pll_loopdiv       & 0xff; // LSB
	b[6] = (free_div >> 8)    & 0xff; // MSB
	b[7] =  free_div          & 0xff; // LSB
	b[8] = (dsuScaler >> 8)   & 0xff; // MSB
	b[9] =  dsuScaler         & 0xff; // LSB

	return dib0700_ctrl_wr(d, b, 10);
}

int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3)
{
	switch (clk_MHz) {
		case 72: dib0700_set_clock(d, 1, 0, 1, clock_out_gp3, 2, 24, 0, 0x4c); break;
		default: return -EINVAL;
	}
	return 0;
}

static int dib0700_jumpram(struct usb_device *udev, u32 address)
{
	int ret, actlen;
	u8 buf[8] = { REQUEST_JUMPRAM, 0, 0, 0,
		(address >> 24) & 0xff,
		(address >> 16) & 0xff,
		(address >> 8)  & 0xff,
		 address        & 0xff };

	if ((ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01),buf,8,&actlen,1000)) < 0) {
		deb_fw("jumpram to 0x%x failed\n",address);
		return ret;
	}
	if (actlen != 8) {
		deb_fw("jumpram to 0x%x failed\n",address);
		return -EIO;
	}
	return 0;
}

int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw)
{
	struct hexline hx;
	int pos = 0, ret, act_len, i, adap_num;
	u8 b[16];
	u32 fw_version;

	u8 buf[260];

	while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) {
		deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n",
				hx.addr, hx.len, hx.chk);

		buf[0] = hx.len;
		buf[1] = (hx.addr >> 8) & 0xff;
		buf[2] =  hx.addr       & 0xff;
		buf[3] = hx.type;
		memcpy(&buf[4],hx.data,hx.len);
		buf[4+hx.len] = hx.chk;

		ret = usb_bulk_msg(udev,
			usb_sndbulkpipe(udev, 0x01),
			buf,
			hx.len + 5,
			&act_len,
			1000);

		if (ret < 0) {
			err("firmware download failed at %d with %d",pos,ret);
			return ret;
		}
	}

	if (ret == 0) {
		/* start the firmware */
		if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) {
			info("firmware started successfully.");
			msleep(500);
		}
	} else
		ret = -EIO;

	/* the number of ts packet has to be at least 1 */
	if (nb_packet_buffer_size < 1)
		nb_packet_buffer_size = 1;

	/* get the fimware version */
	usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
				  REQUEST_GET_VERSION,
				  USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
				  b, sizeof(b), USB_CTRL_GET_TIMEOUT);
	fw_version = (b[8] << 24) | (b[9] << 16) | (b[10] << 8) | b[11];

	/* set the buffer size - DVB-USB is allocating URB buffers
	 * only after the firwmare download was successful */
	for (i = 0; i < dib0700_device_count; i++) {
		for (adap_num = 0; adap_num < dib0700_devices[i].num_adapters;
				adap_num++) {
			if (fw_version >= 0x10201) {
				dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 188*nb_packet_buffer_size;
			} else {
				/* for fw version older than 1.20.1,
				 * the buffersize has to be n times 512 */
				dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = ((188*nb_packet_buffer_size+188/2)/512)*512;
				if (dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize < 512)
					dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 512;
			}
		}
	}

	return ret;
}

int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
	struct dib0700_state *st = adap->dev->priv;
	u8 b[4];
	int ret;

	if ((onoff != 0) && (st->fw_version >= 0x10201)) {
		/* for firmware later than 1.20.1,
		 * the USB xfer length can be set  */
		ret = dib0700_set_usb_xfer_len(adap->dev,
			st->nb_packet_buffer_size);
		if (ret < 0) {
			deb_info("can not set the USB xfer len\n");
			return ret;
		}
	}

	b[0] = REQUEST_ENABLE_VIDEO;
	b[1] = (onoff << 4) | 0x00; /* this bit gives a kind of command, rather than enabling something or not */

	if (st->disable_streaming_master_mode == 1)
		b[2] = 0x00;
	else
		b[2] = 0x01 << 4; /* Master mode */

	b[3] = 0x00;

	deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id);

	if (onoff)
		st->channel_state |=   1 << adap->id;
	else
		st->channel_state &= ~(1 << adap->id);

	b[2] |= st->channel_state;

	deb_info("data for streaming: %x %x\n", b[1], b[2]);

	return dib0700_ctrl_wr(adap->dev, b, 4);
}

/* Number of keypresses to ignore before start repeating */
#define RC_REPEAT_DELAY_V1_20 10

/* This is the structure of the RC response packet starting in firmware 1.20 */
struct dib0700_rc_response {
	u8 report_id;
	u8 data_state;
	u16 system;
	u8 data;
	u8 not_data;
};
#define RC_MSG_SIZE_V1_20 6

static void dib0700_rc_urb_completion(struct urb *purb)
{
	struct dvb_usb_device *d = purb->context;
	struct dib0700_state *st;
	struct dib0700_rc_response poll_reply;
	u8 *buf;
	u32 keycode;
	u8 toggle;

	deb_info("%s()\n", __func__);
	if (d == NULL)
		return;

	if (d->rc_input_dev == NULL) {
		/* This will occur if disable_rc_polling=1 */
		usb_free_urb(purb);
		return;
	}

	st = d->priv;
	buf = (u8 *)purb->transfer_buffer;

	if (purb->status < 0) {
		deb_info("discontinuing polling\n");
		usb_free_urb(purb);
		return;
	}

	if (purb->actual_length != RC_MSG_SIZE_V1_20) {
		deb_info("malformed rc msg size=%d\n", purb->actual_length);
		goto resubmit;
	}

	deb_data("IR raw %02X %02X %02X %02X %02X %02X (len %d)\n", buf[0],
		 buf[1], buf[2], buf[3], buf[4], buf[5], purb->actual_length);

	switch (dvb_usb_dib0700_ir_proto) {
	case 0:
		/* NEC Protocol */
		poll_reply.data_state = 0;
		poll_reply.system     = buf[2];
		poll_reply.data       = buf[4];
		poll_reply.not_data   = buf[5];
		toggle = 0;

		/* NEC protocol sends repeat code as 0 0 0 FF */
		if ((poll_reply.system == 0x00) && (poll_reply.data == 0x00)
		    && (poll_reply.not_data == 0xff)) {
			poll_reply.data_state = 2;
			break;
		}

		break;
	default:
		/* RC5 Protocol */
		poll_reply.report_id  = buf[0];
		poll_reply.data_state = buf[1];
		poll_reply.system     = (buf[2] << 8) | buf[3];
		poll_reply.data       = buf[4];
		poll_reply.not_data   = buf[5];

		toggle = poll_reply.report_id;

		break;
	}

	if ((poll_reply.data + poll_reply.not_data) != 0xff) {
		/* Key failed integrity check */
		err("key failed integrity check: %04x %02x %02x",
		    poll_reply.system,
		    poll_reply.data, poll_reply.not_data);
		goto resubmit;
	}

	deb_data("rid=%02x ds=%02x sm=%04x d=%02x nd=%02x\n",
		 poll_reply.report_id, poll_reply.data_state,
		 poll_reply.system, poll_reply.data, poll_reply.not_data);

	keycode = poll_reply.system << 8 | poll_reply.data;
	ir_keydown(d->rc_input_dev, keycode, toggle);

resubmit:
	/* Clean the buffer before we requeue */
	memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20);

	/* Requeue URB */
	usb_submit_urb(purb, GFP_ATOMIC);
}

int dib0700_rc_setup(struct dvb_usb_device *d)
{
	struct dib0700_state *st = d->priv;
	u8 rc_setup[3] = { REQUEST_SET_RC, dvb_usb_dib0700_ir_proto, 0 };
	struct urb *purb;
	int ret;
	int i;

	/* Set the IR mode */
	i = dib0700_ctrl_wr(d, rc_setup, sizeof(rc_setup));
	if (i < 0) {
		err("ir protocol setup failed");
		return i;
	}

	if (st->fw_version < 0x10200)
		return 0;

	/* Starting in firmware 1.20, the RC info is provided on a bulk pipe */
	purb = usb_alloc_urb(0, GFP_KERNEL);
	if (purb == NULL) {
		err("rc usb alloc urb failed\n");
		return -ENOMEM;
	}

	purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL);
	if (purb->transfer_buffer == NULL) {
		err("rc kzalloc failed\n");
		usb_free_urb(purb);
		return -ENOMEM;
	}

	purb->status = -EINPROGRESS;
	usb_fill_bulk_urb(purb, d->udev, usb_rcvbulkpipe(d->udev, 1),
			  purb->transfer_buffer, RC_MSG_SIZE_V1_20,
			  dib0700_rc_urb_completion, d);

	ret = usb_submit_urb(purb, GFP_ATOMIC);
	if (ret)
		err("rc submit urb failed\n");

	return ret;
}

static int dib0700_probe(struct usb_interface *intf,
		const struct usb_device_id *id)
{
	int i;
	struct dvb_usb_device *dev;

	for (i = 0; i < dib0700_device_count; i++)
		if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE,
		    &dev, adapter_nr) == 0) {
			struct dib0700_state *st = dev->priv;
			u32 hwversion, romversion, fw_version, fwtype;

			dib0700_get_version(dev, &hwversion, &romversion,
				&fw_version, &fwtype);

			deb_info("Firmware version: %x, %d, 0x%x, %d\n",
				hwversion, romversion, fw_version, fwtype);

			st->fw_version = fw_version;
			st->nb_packet_buffer_size = (u32)nb_packet_buffer_size;

			/* Disable polling mode on newer firmwares */
			if (st->fw_version >= 0x10200)
				dev->props.rc.core.bulk_mode = true;
			else
				dev->props.rc.core.bulk_mode = false;

			/* Need a higher delay, to avoid wrong repeat */
			dev->rc_input_dev->rep[REP_DELAY] = 500;

			dib0700_rc_setup(dev);

			return 0;
		}

	return -ENODEV;
}

static struct usb_driver dib0700_driver = {
	.name       = "dvb_usb_dib0700",
	.probe      = dib0700_probe,
	.disconnect = dvb_usb_device_exit,
	.id_table   = dib0700_usb_id_table,
};

/* module stuff */
static int __init dib0700_module_init(void)
{
	int result;
	info("loaded with support for %d different device-types", dib0700_device_count);
	if ((result = usb_register(&dib0700_driver))) {
		err("usb_register failed. Error number %d",result);
		return result;
	}

	return 0;
}

static void __exit dib0700_module_exit(void)
{
	/* deregister this driver from the USB subsystem */
	usb_deregister(&dib0700_driver);
}

module_init (dib0700_module_init);
module_exit (dib0700_module_exit);

MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");
Commit	Line	Data
b7f54910 PB	1	/* Linux driver for devices based on the DiBcom DiB0700 USB bridge
	2	*
	3	* This program is free software; you can redistribute it and/or modify it
	4	* under the terms of the GNU General Public License as published by the Free
	5	* Software Foundation, version 2.
	6	*
	7	* Copyright (C) 2005-6 DiBcom, SA
	8	*/
	9	#include "dib0700.h"
	10
	11	/* debug */
	12	int dvb_usb_dib0700_debug;
	13	module_param_named(debug,dvb_usb_dib0700_debug, int, 0644);
	14	MODULE_PARM_DESC(debug, "set debugging level (1=info,2=fw,4=fwdata,8=data (or-able))." DVB_USB_DEBUG_STATUS);
	15
58e6f95e	16	int dvb_usb_dib0700_ir_proto = 1;
89f4267d JG	17	module_param(dvb_usb_dib0700_ir_proto, int, 0644);
	18	MODULE_PARM_DESC(dvb_usb_dib0700_ir_proto, "set ir protocol (0=NEC, 1=RC5 (default), 2=RC6).");
	19
acc5c9ee OG	20	static int nb_packet_buffer_size = 21;
	21	module_param(nb_packet_buffer_size, int, 0644);
	22	MODULE_PARM_DESC(nb_packet_buffer_size,
	23	"Set the dib0700 driver data buffer size. This parameter "
	24	"corresponds to the number of TS packets. The actual size of "
	25	"the data buffer corresponds to this parameter "
	26	"multiplied by 188 (default: 21)");
	27
78e92006 JG	28	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
78e92006 JG	29
99afb989 DH	30
	31	int dib0700_get_version(struct dvb_usb_device d, u32 hwversion,
	32	u32 romversion, u32 ramversion, u32 *fwtype)
	33	{
	34	u8 b[16];
	35	int ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
	36	REQUEST_GET_VERSION,
	37	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	38	b, sizeof(b), USB_CTRL_GET_TIMEOUT);
acc5c9ee OG	39	if (hwversion != NULL)
	40	*hwversion = (b[0] << 24) \| (b[1] << 16) \| (b[2] << 8) \| b[3];
	41	if (romversion != NULL)
	42	*romversion = (b[4] << 24) \| (b[5] << 16) \| (b[6] << 8) \| b[7];
	43	if (ramversion != NULL)
	44	*ramversion = (b[8] << 24) \| (b[9] << 16) \| (b[10] << 8) \| b[11];
	45	if (fwtype != NULL)
	46	*fwtype = (b[12] << 24) \| (b[13] << 16) \| (b[14] << 8) \| b[15];
99afb989 DH	47	return ret;
	48	}
	49
b7f54910 PB	50	/* expecting rx buffer: request data[0] data[1] ... data[2] */
	51	static int dib0700_ctrl_wr(struct dvb_usb_device d, u8 tx, u8 txlen)
	52	{
	53	int status;
	54
	55	deb_data(">>> ");
230b27cd	56	debug_dump(tx, txlen, deb_data);
b7f54910 PB	57
	58	status = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0),
	59	tx[0], USB_TYPE_VENDOR \| USB_DIR_OUT, 0, 0, tx, txlen,
	60	USB_CTRL_GET_TIMEOUT);
	61
	62	if (status != txlen)
6958effe	63	deb_data("ep 0 write error (status = %d, len: %d)\n",status,txlen);
b7f54910 PB	64
	65	return status < 0 ? status : 0;
	66	}
	67
	68	/* expecting tx buffer: request data[0] ... data[n] (n <= 4) */
54d75eba	69	int dib0700_ctrl_rd(struct dvb_usb_device d, u8 tx, u8 txlen, u8 *rx, u8 rxlen)
b7f54910 PB	70	{
	71	u16 index, value;
	72	int status;
	73
	74	if (txlen < 2) {
	75	err("tx buffer length is smaller than 2. Makes no sense.");
	76	return -EINVAL;
	77	}
	78	if (txlen > 4) {
	79	err("tx buffer length is larger than 4. Not supported.");
	80	return -EINVAL;
	81	}
	82
	83	deb_data(">>> ");
	84	debug_dump(tx,txlen,deb_data);
	85
	86	value = ((txlen - 2) << 8) \| tx[1];
	87	index = 0;
	88	if (txlen > 2)
	89	index \|= (tx[2] << 8);
	90	if (txlen > 3)
	91	index \|= tx[3];
	92
b7f54910 PB	93	status = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), tx[0],
	94	USB_TYPE_VENDOR \| USB_DIR_IN, value, index, rx, rxlen,
	95	USB_CTRL_GET_TIMEOUT);
	96
	97	if (status < 0)
6958effe	98	deb_info("ep 0 read error (status = %d)\n",status);
b7f54910 PB	99
b7f54910 PB	100	deb_data("<<< ");
230b27cd	101	debug_dump(rx, rxlen, deb_data);
b7f54910 PB	102
	103	return status; /* length in case of success */
	104	}
	105
	106	int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val)
	107	{
	108	u8 buf[3] = { REQUEST_SET_GPIO, gpio, ((gpio_dir & 0x01) << 7) \| ((gpio_val & 0x01) << 6) };
230b27cd	109	return dib0700_ctrl_wr(d, buf, sizeof(buf));
b7f54910 PB	110	}
b7f54910 PB	111
acc5c9ee OG	112	static int dib0700_set_usb_xfer_len(struct dvb_usb_device *d, u16 nb_ts_packets)
acc5c9ee OG	113	{
230b27cd DM	114	struct dib0700_state *st = d->priv;
	115	u8 b[3];
	116	int ret;
	117
	118	if (st->fw_version >= 0x10201) {
	119	b[0] = REQUEST_SET_USB_XFER_LEN;
	120	b[1] = (nb_ts_packets >> 8) & 0xff;
	121	b[2] = nb_ts_packets & 0xff;
	122
	123	deb_info("set the USB xfer len to %i Ts packet\n", nb_ts_packets);
	124
	125	ret = dib0700_ctrl_wr(d, b, sizeof(b));
	126	} else {
	127	deb_info("this firmware does not allow to change the USB xfer len\n");
	128	ret = -EIO;
	129	}
	130
	131	return ret;
acc5c9ee OG	132	}
acc5c9ee OG	133
b7f54910	134	/*
bdc203e1	135	* I2C master xfer function (supported in 1.20 firmware)
b7f54910	136	*/
bdc203e1 DH	137	static int dib0700_i2c_xfer_new(struct i2c_adapter adap, struct i2c_msg msg,
	138	int num)
	139	{
	140	/* The new i2c firmware messages are more reliable and in particular
	141	properly support i2c read calls not preceded by a write */
	142
	143	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	144	uint8_t bus_mode = 1; /* 0=eeprom bus, 1=frontend bus */
	145	uint8_t gen_mode = 0; /* 0=master i2c, 1=gpio i2c */
	146	uint8_t en_start = 0;
	147	uint8_t en_stop = 0;
	148	uint8_t buf[255]; /* TBV: malloc ? */
	149	int result, i;
	150
	151	/* Ensure nobody else hits the i2c bus while we're sending our
	152	sequence of messages, (such as the remote control thread) */
	153	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
	154	return -EAGAIN;
	155
	156	for (i = 0; i < num; i++) {
	157	if (i == 0) {
	158	/* First message in the transaction */
	159	en_start = 1;
	160	} else if (!(msg[i].flags & I2C_M_NOSTART)) {
	161	/* Device supports repeated-start */
	162	en_start = 1;
	163	} else {
	164	/* Not the first packet and device doesn't support
	165	repeated start */
	166	en_start = 0;
	167	}
	168	if (i == (num - 1)) {
	169	/* Last message in the transaction */
	170	en_stop = 1;
	171	}
	172
	173	if (msg[i].flags & I2C_M_RD) {
	174	/* Read request */
	175	u16 index, value;
	176	uint8_t i2c_dest;
	177
	178	i2c_dest = (msg[i].addr << 1);
	179	value = ((en_start << 7) \| (en_stop << 6) \|
	180	(msg[i].len & 0x3F)) << 8 \| i2c_dest;
	181	/* I2C ctrl + FE bus; */
230b27cd DM	182	index = ((gen_mode << 6) & 0xC0) \|
230b27cd DM	183	((bus_mode << 4) & 0x30);
bdc203e1 DH	184
	185	result = usb_control_msg(d->udev,
	186	usb_rcvctrlpipe(d->udev, 0),
	187	REQUEST_NEW_I2C_READ,
	188	USB_TYPE_VENDOR \| USB_DIR_IN,
	189	value, index, msg[i].buf,
	190	msg[i].len,
	191	USB_CTRL_GET_TIMEOUT);
	192	if (result < 0) {
	193	err("i2c read error (status = %d)\n", result);
	194	break;
	195	}
d2514991 MK	196
	197	deb_data("<<< ");
	198	debug_dump(msg[i].buf, msg[i].len, deb_data);
	199
bdc203e1 DH	200	} else {
	201	/* Write request */
	202	buf[0] = REQUEST_NEW_I2C_WRITE;
230b27cd	203	buf[1] = msg[i].addr << 1;
bdc203e1 DH	204	buf[2] = (en_start << 7) \| (en_stop << 6) \|
	205	(msg[i].len & 0x3F);
	206	/* I2C ctrl + FE bus; */
230b27cd DM	207	buf[3] = ((gen_mode << 6) & 0xC0) \|
230b27cd DM	208	((bus_mode << 4) & 0x30);
bdc203e1 DH	209	/* The Actual i2c payload */
	210	memcpy(&buf[4], msg[i].buf, msg[i].len);
	211
d2514991 MK	212	deb_data(">>> ");
	213	debug_dump(buf, msg[i].len + 4, deb_data);
	214
bdc203e1 DH	215	result = usb_control_msg(d->udev,
	216	usb_sndctrlpipe(d->udev, 0),
	217	REQUEST_NEW_I2C_WRITE,
	218	USB_TYPE_VENDOR \| USB_DIR_OUT,
	219	0, 0, buf, msg[i].len + 4,
	220	USB_CTRL_GET_TIMEOUT);
	221	if (result < 0) {
	222	err("i2c write error (status = %d)\n", result);
	223	break;
	224	}
	225	}
	226	}
	227	mutex_unlock(&d->i2c_mutex);
	228	return i;
	229	}
	230
	231	/*
	232	* I2C master xfer function (pre-1.20 firmware)
	233	*/
	234	static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap,
	235	struct i2c_msg *msg, int num)
b7f54910 PB	236	{
	237	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	238	int i,len;
	239	u8 buf[255];
	240
	241	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
	242	return -EAGAIN;
	243
	244	for (i = 0; i < num; i++) {
	245	/* fill in the address */
230b27cd	246	buf[1] = msg[i].addr << 1;
b7f54910 PB	247	/* fill the buffer */
	248	memcpy(&buf[2], msg[i].buf, msg[i].len);
	249
	250	/* write/read request */
	251	if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
	252	buf[0] = REQUEST_I2C_READ;
	253	buf[1] \|= 1;
	254
	255	/* special thing in the current firmware: when length is zero the read-failed */
303cbeaa	256	if ((len = dib0700_ctrl_rd(d, buf, msg[i].len + 2, msg[i+1].buf, msg[i+1].len)) <= 0) {
8db12cdf DH	257	deb_info("I2C read failed on address 0x%02x\n",
8db12cdf DH	258	msg[i].addr);
b7f54910	259	break;
303cbeaa	260	}
b7f54910 PB	261
	262	msg[i+1].len = len;
	263
	264	i++;
	265	} else {
	266	buf[0] = REQUEST_I2C_WRITE;
	267	if (dib0700_ctrl_wr(d, buf, msg[i].len + 2) < 0)
	268	break;
	269	}
	270	}
	271
	272	mutex_unlock(&d->i2c_mutex);
	273	return i;
	274	}
	275
bdc203e1 DH	276	static int dib0700_i2c_xfer(struct i2c_adapter adap, struct i2c_msg msg,
	277	int num)
	278	{
	279	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	280	struct dib0700_state *st = d->priv;
	281
	282	if (st->fw_use_new_i2c_api == 1) {
	283	/* User running at least fw 1.20 */
	284	return dib0700_i2c_xfer_new(adap, msg, num);
	285	} else {
	286	/* Use legacy calls */
	287	return dib0700_i2c_xfer_legacy(adap, msg, num);
	288	}
	289	}
	290
b7f54910 PB	291	static u32 dib0700_i2c_func(struct i2c_adapter *adapter)
	292	{
	293	return I2C_FUNC_I2C;
	294	}
	295
	296	struct i2c_algorithm dib0700_i2c_algo = {
	297	.master_xfer = dib0700_i2c_xfer,
	298	.functionality = dib0700_i2c_func,
	299	};
	300
6958effe PB	301	int dib0700_identify_state(struct usb_device udev, struct dvb_usb_device_properties props,
	302	struct dvb_usb_device_description *desc, int cold)
	303	{
a75763ff PB	304	u8 b[16];
	305	s16 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev,0),
	306	REQUEST_GET_VERSION, USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0, b, 16, USB_CTRL_GET_TIMEOUT);
	307
	308	deb_info("FW GET_VERSION length: %d\n",ret);
	309
	310	*cold = ret <= 0;
6958effe PB	311
6958effe PB	312	deb_info("cold: %d\n", *cold);
6958effe PB	313	return 0;
	314	}
	315
a75763ff PB	316	static int dib0700_set_clock(struct dvb_usb_device *d, u8 en_pll,
	317	u8 pll_src, u8 pll_range, u8 clock_gpio3, u16 pll_prediv,
	318	u16 pll_loopdiv, u16 free_div, u16 dsuScaler)
	319	{
	320	u8 b[10];
	321	b[0] = REQUEST_SET_CLOCK;
	322	b[1] = (en_pll << 7) \| (pll_src << 6) \| (pll_range << 5) \| (clock_gpio3 << 4);
	323	b[2] = (pll_prediv >> 8) & 0xff; // MSB
	324	b[3] = pll_prediv & 0xff; // LSB
	325	b[4] = (pll_loopdiv >> 8) & 0xff; // MSB
	326	b[5] = pll_loopdiv & 0xff; // LSB
	327	b[6] = (free_div >> 8) & 0xff; // MSB
	328	b[7] = free_div & 0xff; // LSB
	329	b[8] = (dsuScaler >> 8) & 0xff; // MSB
	330	b[9] = dsuScaler & 0xff; // LSB
	331
	332	return dib0700_ctrl_wr(d, b, 10);
	333	}
	334
	335	int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3)
	336	{
	337	switch (clk_MHz) {
	338	case 72: dib0700_set_clock(d, 1, 0, 1, clock_out_gp3, 2, 24, 0, 0x4c); break;
	339	default: return -EINVAL;
	340	}
	341	return 0;
	342	}
	343
b7f54910 PB	344	static int dib0700_jumpram(struct usb_device *udev, u32 address)
	345	{
	346	int ret, actlen;
	347	u8 buf[8] = { REQUEST_JUMPRAM, 0, 0, 0,
	348	(address >> 24) & 0xff,
	349	(address >> 16) & 0xff,
	350	(address >> 8) & 0xff,
	351	address & 0xff };
	352
	353	if ((ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01),buf,8,&actlen,1000)) < 0) {
	354	deb_fw("jumpram to 0x%x failed\n",address);
	355	return ret;
	356	}
	357	if (actlen != 8) {
	358	deb_fw("jumpram to 0x%x failed\n",address);
	359	return -EIO;
	360	}
	361	return 0;
	362	}
	363
	364	int dib0700_download_firmware(struct usb_device udev, const struct firmware fw)
	365	{
	366	struct hexline hx;
acc5c9ee OG	367	int pos = 0, ret, act_len, i, adap_num;
	368	u8 b[16];
	369	u32 fw_version;
b7f54910 PB	370
	371	u8 buf[260];
	372
	373	while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) {
230b27cd DM	374	deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n",
230b27cd DM	375	hx.addr, hx.len, hx.chk);
b7f54910 PB	376
b7f54910 PB	377	buf[0] = hx.len;
5bc63607 PB	378	buf[1] = (hx.addr >> 8) & 0xff;
5bc63607 PB	379	buf[2] = hx.addr & 0xff;
b7f54910 PB	380	buf[3] = hx.type;
	381	memcpy(&buf[4],hx.data,hx.len);
	382	buf[4+hx.len] = hx.chk;
	383
	384	ret = usb_bulk_msg(udev,
	385	usb_sndbulkpipe(udev, 0x01),
	386	buf,
	387	hx.len + 5,
	388	&act_len,
	389	1000);
	390
	391	if (ret < 0) {
	392	err("firmware download failed at %d with %d",pos,ret);
	393	return ret;
	394	}
	395	}
	396
	397	if (ret == 0) {
	398	/* start the firmware */
6958effe	399	if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) {
b7f54910	400	info("firmware started successfully.");
a75763ff	401	msleep(500);
6958effe	402	}
b7f54910 PB	403	} else
	404	ret = -EIO;
	405
acc5c9ee OG	406	/* the number of ts packet has to be at least 1 */
	407	if (nb_packet_buffer_size < 1)
	408	nb_packet_buffer_size = 1;
	409
	410	/* get the fimware version */
	411	usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
	412	REQUEST_GET_VERSION,
	413	USB_TYPE_VENDOR \| USB_DIR_IN, 0, 0,
	414	b, sizeof(b), USB_CTRL_GET_TIMEOUT);
230b27cd	415	fw_version = (b[8] << 24) \| (b[9] << 16) \| (b[10] << 8) \| b[11];
acc5c9ee OG	416
	417	/* set the buffer size - DVB-USB is allocating URB buffers
	418	* only after the firwmare download was successful */
	419	for (i = 0; i < dib0700_device_count; i++) {
	420	for (adap_num = 0; adap_num < dib0700_devices[i].num_adapters;
	421	adap_num++) {
230b27cd	422	if (fw_version >= 0x10201) {
acc5c9ee	423	dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 188*nb_packet_buffer_size;
230b27cd	424	} else {
acc5c9ee OG	425	/* for fw version older than 1.20.1,
	426	* the buffersize has to be n times 512 */
	427	dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = ((188nb_packet_buffer_size+188/2)/512)512;
	428	if (dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize < 512)
	429	dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 512;
	430	}
	431	}
	432	}
	433
b7f54910 PB	434	return ret;
	435	}
	436
	437	int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
	438	{
	439	struct dib0700_state *st = adap->dev->priv;
	440	u8 b[4];
acc5c9ee OG	441	int ret;
	442
	443	if ((onoff != 0) && (st->fw_version >= 0x10201)) {
	444	/* for firmware later than 1.20.1,
	445	* the USB xfer length can be set */
	446	ret = dib0700_set_usb_xfer_len(adap->dev,
	447	st->nb_packet_buffer_size);
	448	if (ret < 0) {
	449	deb_info("can not set the USB xfer len\n");
	450	return ret;
	451	}
	452	}
b7f54910 PB	453
b7f54910 PB	454	b[0] = REQUEST_ENABLE_VIDEO;
a162abb0	455	b[1] = (onoff << 4) \| 0x00; /* this bit gives a kind of command, rather than enabling something or not */
cb22cb52 DH	456
	457	if (st->disable_streaming_master_mode == 1)
	458	b[2] = 0x00;
	459	else
230b27cd	460	b[2] = 0x01 << 4; /* Master mode */
cb22cb52	461
b7f54910 PB	462	b[3] = 0x00;
	463
	464	deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id);
	465
	466	if (onoff)
	467	st->channel_state \|= 1 << adap->id;
	468	else
	469	st->channel_state &= ~(1 << adap->id);
	470
	471	b[2] \|= st->channel_state;
	472
230b27cd	473	deb_info("data for streaming: %x %x\n", b[1], b[2]);
b7f54910 PB	474
	475	return dib0700_ctrl_wr(adap->dev, b, 4);
	476	}
	477
6a207100 DH	478	/* Number of keypresses to ignore before start repeating */
	479	#define RC_REPEAT_DELAY_V1_20 10
	480
	481	/* This is the structure of the RC response packet starting in firmware 1.20 */
	482	struct dib0700_rc_response {
	483	u8 report_id;
	484	u8 data_state;
	485	u16 system;
	486	u8 data;
	487	u8 not_data;
	488	};
	489	#define RC_MSG_SIZE_V1_20 6
	490
	491	static void dib0700_rc_urb_completion(struct urb *purb)
	492	{
	493	struct dvb_usb_device *d = purb->context;
6a207100 DH	494	struct dib0700_state *st;
	495	struct dib0700_rc_response poll_reply;
	496	u8 *buf;
72b39310 MCC	497	u32 keycode;
72b39310 MCC	498	u8 toggle;
6a207100 DH	499
	500	deb_info("%s()\n", __func__);
	501	if (d == NULL)
	502	return;
	503
	504	if (d->rc_input_dev == NULL) {
	505	/* This will occur if disable_rc_polling=1 */
	506	usb_free_urb(purb);
	507	return;
	508	}
	509
6a207100 DH	510	st = d->priv;
	511	buf = (u8 *)purb->transfer_buffer;
	512
	513	if (purb->status < 0) {
	514	deb_info("discontinuing polling\n");
	515	usb_free_urb(purb);
	516	return;
	517	}
	518
	519	if (purb->actual_length != RC_MSG_SIZE_V1_20) {
	520	deb_info("malformed rc msg size=%d\n", purb->actual_length);
	521	goto resubmit;
	522	}
	523
6a207100 DH	524	deb_data("IR raw %02X %02X %02X %02X %02X %02X (len %d)\n", buf[0],
	525	buf[1], buf[2], buf[3], buf[4], buf[5], purb->actual_length);
	526
	527	switch (dvb_usb_dib0700_ir_proto) {
	528	case 0:
	529	/* NEC Protocol */
72b39310	530	poll_reply.data_state = 0;
6a207100 DH	531	poll_reply.system = buf[2];
	532	poll_reply.data = buf[4];
	533	poll_reply.not_data = buf[5];
72b39310	534	toggle = 0;
6a207100 DH	535
	536	/* NEC protocol sends repeat code as 0 0 0 FF */
	537	if ((poll_reply.system == 0x00) && (poll_reply.data == 0x00)
	538	&& (poll_reply.not_data == 0xff)) {
	539	poll_reply.data_state = 2;
	540	break;
	541	}
72b39310	542
6a207100 DH	543	break;
	544	default:
	545	/* RC5 Protocol */
	546	poll_reply.report_id = buf[0];
	547	poll_reply.data_state = buf[1];
	548	poll_reply.system = (buf[2] << 8) \| buf[3];
	549	poll_reply.data = buf[4];
	550	poll_reply.not_data = buf[5];
72b39310 MCC	551
	552	toggle = poll_reply.report_id;
	553
6a207100 DH	554	break;
	555	}
	556
	557	if ((poll_reply.data + poll_reply.not_data) != 0xff) {
	558	/* Key failed integrity check */
	559	err("key failed integrity check: %04x %02x %02x",
	560	poll_reply.system,
	561	poll_reply.data, poll_reply.not_data);
	562	goto resubmit;
	563	}
	564
	565	deb_data("rid=%02x ds=%02x sm=%04x d=%02x nd=%02x\n",
	566	poll_reply.report_id, poll_reply.data_state,
	567	poll_reply.system, poll_reply.data, poll_reply.not_data);
	568
72b39310 MCC	569	keycode = poll_reply.system << 8 \| poll_reply.data;
72b39310 MCC	570	ir_keydown(d->rc_input_dev, keycode, toggle);
6a207100 DH	571
	572	resubmit:
	573	/* Clean the buffer before we requeue */
	574	memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20);
	575
	576	/* Requeue URB */
	577	usb_submit_urb(purb, GFP_ATOMIC);
	578	}
	579
58e6f95e	580	int dib0700_rc_setup(struct dvb_usb_device *d)
89f4267d	581	{
6a207100	582	struct dib0700_state *st = d->priv;
230b27cd	583	u8 rc_setup[3] = { REQUEST_SET_RC, dvb_usb_dib0700_ir_proto, 0 };
6a207100 DH	584	struct urb *purb;
	585	int ret;
	586	int i;
	587
6a207100	588	/* Set the IR mode */
8871c85d DM	589	i = dib0700_ctrl_wr(d, rc_setup, sizeof(rc_setup));
8871c85d DM	590	if (i < 0) {
89f4267d	591	err("ir protocol setup failed");
8871c85d	592	return i;
89f4267d	593	}
6a207100 DH	594
	595	if (st->fw_version < 0x10200)
	596	return 0;
	597
	598	/* Starting in firmware 1.20, the RC info is provided on a bulk pipe */
	599	purb = usb_alloc_urb(0, GFP_KERNEL);
	600	if (purb == NULL) {
	601	err("rc usb alloc urb failed\n");
8871c85d	602	return -ENOMEM;
6a207100 DH	603	}
	604
	605	purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL);
	606	if (purb->transfer_buffer == NULL) {
	607	err("rc kzalloc failed\n");
	608	usb_free_urb(purb);
8871c85d	609	return -ENOMEM;
6a207100 DH	610	}
	611
	612	purb->status = -EINPROGRESS;
	613	usb_fill_bulk_urb(purb, d->udev, usb_rcvbulkpipe(d->udev, 1),
	614	purb->transfer_buffer, RC_MSG_SIZE_V1_20,
	615	dib0700_rc_urb_completion, d);
	616
	617	ret = usb_submit_urb(purb, GFP_ATOMIC);
8871c85d	618	if (ret)
6a207100	619	err("rc submit urb failed\n");
6a207100	620
8871c85d	621	return ret;
89f4267d JG	622	}
89f4267d JG	623
b7f54910 PB	624	static int dib0700_probe(struct usb_interface *intf,
	625	const struct usb_device_id *id)
	626	{
	627	int i;
89f4267d	628	struct dvb_usb_device *dev;
b7f54910 PB	629
b7f54910 PB	630	for (i = 0; i < dib0700_device_count; i++)
78e92006	631	if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE,
acc5c9ee OG	632	&dev, adapter_nr) == 0) {
	633	struct dib0700_state *st = dev->priv;
	634	u32 hwversion, romversion, fw_version, fwtype;
	635
	636	dib0700_get_version(dev, &hwversion, &romversion,
	637	&fw_version, &fwtype);
	638
	639	deb_info("Firmware version: %x, %d, 0x%x, %d\n",
	640	hwversion, romversion, fw_version, fwtype);
	641
	642	st->fw_version = fw_version;
	643	st->nb_packet_buffer_size = (u32)nb_packet_buffer_size;
	644
72b39310 MCC	645	/* Disable polling mode on newer firmwares */
	646	if (st->fw_version >= 0x10200)
	647	dev->props.rc.core.bulk_mode = true;
	648	else
	649	dev->props.rc.core.bulk_mode = false;
	650
8dc09004 MCC	651	/* Need a higher delay, to avoid wrong repeat */
	652	dev->rc_input_dev->rep[REP_DELAY] = 500;
	653
89f4267d	654	dib0700_rc_setup(dev);
acc5c9ee	655
b7f54910	656	return 0;
89f4267d	657	}
b7f54910 PB	658
	659	return -ENODEV;
	660	}
	661
	662	static struct usb_driver dib0700_driver = {
	663	.name = "dvb_usb_dib0700",
	664	.probe = dib0700_probe,
	665	.disconnect = dvb_usb_device_exit,
	666	.id_table = dib0700_usb_id_table,
	667	};
	668
	669	/* module stuff */
	670	static int __init dib0700_module_init(void)
	671	{
	672	int result;
	673	info("loaded with support for %d different device-types", dib0700_device_count);
	674	if ((result = usb_register(&dib0700_driver))) {
	675	err("usb_register failed. Error number %d",result);
	676	return result;
	677	}
	678
	679	return 0;
	680	}
	681
	682	static void __exit dib0700_module_exit(void)
	683	{
	684	/* deregister this driver from the USB subsystem */
	685	usb_deregister(&dib0700_driver);
	686	}
	687
	688	module_init (dib0700_module_init);
	689	module_exit (dib0700_module_exit);
	690
	691	MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
	692	MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge");
	693	MODULE_VERSION("1.0");
	694	MODULE_LICENSE("GPL");