[mirror_ubuntu-artful-kernel.git] / drivers / media / dvb / dvb-usb / ce6230.c

/*
 * DVB USB Linux driver for Intel CE6230 DVB-T USB2.0 receiver
 *
 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
 *
 *    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; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    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 "ce6230.h"
#include "zl10353.h"
#include "mxl5005s.h"

/* debug */
static int dvb_usb_ce6230_debug;
module_param_named(debug, dvb_usb_ce6230_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

static struct zl10353_config ce6230_zl10353_config;

static int ce6230_ctrl_msg(struct dvb_usb_device *d, struct req_t *req)
{
	int ret;
	unsigned int pipe;
	u8 request;
	u8 requesttype;
	u16 value;
	u16 index;
	u8 *buf;

	request = req->cmd;
	value = req->value;
	index = req->index;

	switch (req->cmd) {
	case I2C_READ:
	case DEMOD_READ:
	case REG_READ:
		requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
		break;
	case I2C_WRITE:
	case DEMOD_WRITE:
	case REG_WRITE:
		requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
		break;
	default:
		err("unknown command:%02x", req->cmd);
		ret = -EPERM;
		goto error;
	}

	buf = kmalloc(req->data_len, GFP_KERNEL);
	if (!buf) {
		ret = -ENOMEM;
		goto error;
	}

	if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) {
		/* write */
		memcpy(buf, req->data, req->data_len);
		pipe = usb_sndctrlpipe(d->udev, 0);
	} else {
		/* read */
		pipe = usb_rcvctrlpipe(d->udev, 0);
	}

	msleep(1); /* avoid I2C errors */

	ret = usb_control_msg(d->udev, pipe, request, requesttype, value, index,
				buf, req->data_len, CE6230_USB_TIMEOUT);

	ce6230_debug_dump(request, requesttype, value, index, buf,
		req->data_len, deb_xfer);

	if (ret < 0)
		deb_info("%s: usb_control_msg failed:%d\n", __func__, ret);
	else
		ret = 0;

	/* read request, copy returned data to return buf */
	if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
		memcpy(req->data, buf, req->data_len);

	kfree(buf);
error:
	return ret;
}

/* I2C */
static int ce6230_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
			   int num)
{
	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	int i = 0;
	struct req_t req;
	int ret = 0;
	memset(&req, 0, sizeof(req));

	if (num > 2)
		return -EINVAL;

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

	while (i < num) {
		if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
			if (msg[i].addr ==
				ce6230_zl10353_config.demod_address) {
				req.cmd = DEMOD_READ;
				req.value = msg[i].addr >> 1;
				req.index = msg[i].buf[0];
				req.data_len = msg[i+1].len;
				req.data = &msg[i+1].buf[0];
				ret = ce6230_ctrl_msg(d, &req);
			} else {
				err("i2c read not implemented");
				ret = -EPERM;
			}
			i += 2;
		} else {
			if (msg[i].addr ==
				ce6230_zl10353_config.demod_address) {
				req.cmd = DEMOD_WRITE;
				req.value = msg[i].addr >> 1;
				req.index = msg[i].buf[0];
				req.data_len = msg[i].len-1;
				req.data = &msg[i].buf[1];
				ret = ce6230_ctrl_msg(d, &req);
			} else {
				req.cmd = I2C_WRITE;
				req.value = 0x2000 + (msg[i].addr >> 1);
				req.index = 0x0000;
				req.data_len = msg[i].len;
				req.data = &msg[i].buf[0];
				ret = ce6230_ctrl_msg(d, &req);
			}
			i += 1;
		}
		if (ret)
			break;
	}

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

static u32 ce6230_i2c_func(struct i2c_adapter *adapter)
{
	return I2C_FUNC_I2C;
}

static struct i2c_algorithm ce6230_i2c_algo = {
	.master_xfer   = ce6230_i2c_xfer,
	.functionality = ce6230_i2c_func,
};

/* Callbacks for DVB USB */
static struct zl10353_config ce6230_zl10353_config = {
	.demod_address = 0x1e,
	.adc_clock = 450000,
	.if2 = 45700,
	.no_tuner = 1,
	.parallel_ts = 1,
	.clock_ctl_1 = 0x34,
	.pll_0 = 0x0e,
};

static int ce6230_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
{
	deb_info("%s:\n", __func__);
	adap->fe[0] = dvb_attach(zl10353_attach, &ce6230_zl10353_config,
		&adap->dev->i2c_adap);
	if (adap->fe[0] == NULL)
		return -ENODEV;
	return 0;
}

static struct mxl5005s_config ce6230_mxl5003s_config = {
	.i2c_address     = 0xc6,
	.if_freq         = IF_FREQ_4570000HZ,
	.xtal_freq       = CRYSTAL_FREQ_16000000HZ,
	.agc_mode        = MXL_SINGLE_AGC,
	.tracking_filter = MXL_TF_DEFAULT,
	.rssi_enable     = MXL_RSSI_ENABLE,
	.cap_select      = MXL_CAP_SEL_ENABLE,
	.div_out         = MXL_DIV_OUT_4,
	.clock_out       = MXL_CLOCK_OUT_DISABLE,
	.output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
	.top		 = MXL5005S_TOP_25P2,
	.mod_mode        = MXL_DIGITAL_MODE,
	.if_mode         = MXL_ZERO_IF,
	.AgcMasterByte   = 0x00,
};

static int ce6230_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
{
	int ret;
	deb_info("%s:\n", __func__);
	ret = dvb_attach(mxl5005s_attach, adap->fe[0], &adap->dev->i2c_adap,
			&ce6230_mxl5003s_config) == NULL ? -ENODEV : 0;
	return ret;
}

static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff)
{
	int ret;
	deb_info("%s: onoff:%d\n", __func__, onoff);

	/* InterfaceNumber 1 / AlternateSetting 0     idle
	   InterfaceNumber 1 / AlternateSetting 1     streaming */
	ret = usb_set_interface(d->udev, 1, onoff);
	if (ret)
		err("usb_set_interface failed with error:%d", ret);

	return ret;
}

/* DVB USB Driver stuff */
static struct dvb_usb_device_properties ce6230_props = {
	.driver_name = KBUILD_MODNAME,
	.owner = THIS_MODULE,
	.adapter_nr = adapter_nr,
	.bInterfaceNumber = 1,

	.i2c_algo = &ce6230_i2c_algo,
	.power_ctrl = ce6230_power_ctrl,
	.frontend_attach = ce6230_zl10353_frontend_attach,
	.tuner_attach = ce6230_mxl5003s_tuner_attach,

	.num_adapters = 1,
	.adapter = {
		{
			.stream = {
				.type = USB_BULK,
				.count = 6,
				.endpoint = 0x82,
				.u = {
					.bulk = {
						.buffersize = (16*512),
					}
				}
			},
		}
	},
};

static const struct usb_device_id ce6230_id_table[] = {
	{ DVB_USB_DEVICE(USB_VID_INTEL, USB_PID_INTEL_CE9500,
		&ce6230_props, "Intel CE9500 reference design", NULL) },
	{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A310,
		&ce6230_props, "AVerMedia A310 USB 2.0 DVB-T tuner", NULL) },
	{ }
};
MODULE_DEVICE_TABLE(usb, ce6230_id_table);

static struct usb_driver ce6230_usb_driver = {
	.name = KBUILD_MODNAME,
	.id_table = ce6230_id_table,
	.probe = dvb_usbv2_probe,
	.disconnect = dvb_usbv2_disconnect,
	.suspend = dvb_usbv2_suspend,
	.resume = dvb_usbv2_resume,
	.no_dynamic_id = 1,
	.soft_unbind = 1,
};

module_usb_driver(ce6230_usb_driver);

MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Driver for Intel CE6230 DVB-T USB2.0");
MODULE_LICENSE("GPL");
Commit	Line	Data
eebb876b AP	1	/*
	2	* DVB USB Linux driver for Intel CE6230 DVB-T USB2.0 receiver
	3	*
	4	* Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	19	*
	20	*/
	21
	22	#include "ce6230.h"
	23	#include "zl10353.h"
	24	#include "mxl5005s.h"
	25
	26	/* debug */
	27	static int dvb_usb_ce6230_debug;
	28	module_param_named(debug, dvb_usb_ce6230_debug, int, 0644);
	29	MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
	30	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
	31
	32	static struct zl10353_config ce6230_zl10353_config;
	33
ab84f182	34	static int ce6230_ctrl_msg(struct dvb_usb_device d, struct req_t req)
eebb876b AP	35	{
	36	int ret;
	37	unsigned int pipe;
	38	u8 request;
	39	u8 requesttype;
	40	u16 value;
	41	u16 index;
029461db	42	u8 *buf;
eebb876b AP	43
	44	request = req->cmd;
	45	value = req->value;
	46	index = req->index;
	47
	48	switch (req->cmd) {
	49	case I2C_READ:
	50	case DEMOD_READ:
	51	case REG_READ:
	52	requesttype = (USB_TYPE_VENDOR \| USB_DIR_IN);
	53	break;
	54	case I2C_WRITE:
	55	case DEMOD_WRITE:
	56	case REG_WRITE:
	57	requesttype = (USB_TYPE_VENDOR \| USB_DIR_OUT);
	58	break;
	59	default:
	60	err("unknown command:%02x", req->cmd);
	61	ret = -EPERM;
	62	goto error;
	63	}
	64
029461db FM	65	buf = kmalloc(req->data_len, GFP_KERNEL);
	66	if (!buf) {
	67	ret = -ENOMEM;
	68	goto error;
	69	}
	70
eebb876b AP	71	if (requesttype == (USB_TYPE_VENDOR \| USB_DIR_OUT)) {
	72	/* write */
	73	memcpy(buf, req->data, req->data_len);
ab84f182	74	pipe = usb_sndctrlpipe(d->udev, 0);
eebb876b AP	75	} else {
eebb876b AP	76	/* read */
ab84f182	77	pipe = usb_rcvctrlpipe(d->udev, 0);
eebb876b AP	78	}
	79
	80	msleep(1); /* avoid I2C errors */
	81
ab84f182	82	ret = usb_control_msg(d->udev, pipe, request, requesttype, value, index,
029461db	83	buf, req->data_len, CE6230_USB_TIMEOUT);
eebb876b AP	84
	85	ce6230_debug_dump(request, requesttype, value, index, buf,
	86	req->data_len, deb_xfer);
	87
	88	if (ret < 0)
	89	deb_info("%s: usb_control_msg failed:%d\n", __func__, ret);
	90	else
	91	ret = 0;
	92
	93	/* read request, copy returned data to return buf */
	94	if (!ret && requesttype == (USB_TYPE_VENDOR \| USB_DIR_IN))
	95	memcpy(req->data, buf, req->data_len);
	96
029461db	97	kfree(buf);
eebb876b AP	98	error:
	99	return ret;
	100	}
	101
eebb876b AP	102	/* I2C */
	103	static int ce6230_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
	104	int num)
	105	{
	106	struct dvb_usb_device *d = i2c_get_adapdata(adap);
	107	int i = 0;
	108	struct req_t req;
2ddacee6	109	int ret = 0;
7157fbd0	110	memset(&req, 0, sizeof(req));
eebb876b AP	111
	112	if (num > 2)
	113	return -EINVAL;
	114
	115	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
	116	return -EAGAIN;
	117
	118	while (i < num) {
	119	if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
	120	if (msg[i].addr ==
	121	ce6230_zl10353_config.demod_address) {
	122	req.cmd = DEMOD_READ;
	123	req.value = msg[i].addr >> 1;
	124	req.index = msg[i].buf[0];
	125	req.data_len = msg[i+1].len;
	126	req.data = &msg[i+1].buf[0];
	127	ret = ce6230_ctrl_msg(d, &req);
	128	} else {
	129	err("i2c read not implemented");
	130	ret = -EPERM;
	131	}
	132	i += 2;
	133	} else {
	134	if (msg[i].addr ==
	135	ce6230_zl10353_config.demod_address) {
	136	req.cmd = DEMOD_WRITE;
	137	req.value = msg[i].addr >> 1;
	138	req.index = msg[i].buf[0];
	139	req.data_len = msg[i].len-1;
	140	req.data = &msg[i].buf[1];
	141	ret = ce6230_ctrl_msg(d, &req);
	142	} else {
	143	req.cmd = I2C_WRITE;
	144	req.value = 0x2000 + (msg[i].addr >> 1);
	145	req.index = 0x0000;
	146	req.data_len = msg[i].len;
	147	req.data = &msg[i].buf[0];
	148	ret = ce6230_ctrl_msg(d, &req);
	149	}
	150	i += 1;
	151	}
	152	if (ret)
	153	break;
	154	}
	155
	156	mutex_unlock(&d->i2c_mutex);
	157	return ret ? ret : i;
	158	}
	159
	160	static u32 ce6230_i2c_func(struct i2c_adapter *adapter)
	161	{
	162	return I2C_FUNC_I2C;
	163	}
	164
	165	static struct i2c_algorithm ce6230_i2c_algo = {
	166	.master_xfer = ce6230_i2c_xfer,
	167	.functionality = ce6230_i2c_func,
	168	};
	169
	170	/* Callbacks for DVB USB */
	171	static struct zl10353_config ce6230_zl10353_config = {
	172	.demod_address = 0x1e,
	173	.adc_clock = 450000,
	174	.if2 = 45700,
175	.no_tuner = 1,
176	.parallel_ts = 1,
177	.clock_ctl_1 = 0x34,
178	.pll_0 = 0x0e,
179	};
180
181	static int ce6230_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
182	{
183	deb_info("%s:\n", __func__);
ab84f182	184	adap->fe[0] = dvb_attach(zl10353_attach, &ce6230_zl10353_config,
eebb876b	185	&adap->dev->i2c_adap);
ab84f182	186	if (adap->fe[0] == NULL)
eebb876b AP	187	return -ENODEV;
	188	return 0;
	189	}
	190
	191	static struct mxl5005s_config ce6230_mxl5003s_config = {
	192	.i2c_address = 0xc6,
	193	.if_freq = IF_FREQ_4570000HZ,
	194	.xtal_freq = CRYSTAL_FREQ_16000000HZ,
	195	.agc_mode = MXL_SINGLE_AGC,
	196	.tracking_filter = MXL_TF_DEFAULT,
	197	.rssi_enable = MXL_RSSI_ENABLE,
	198	.cap_select = MXL_CAP_SEL_ENABLE,
	199	.div_out = MXL_DIV_OUT_4,
	200	.clock_out = MXL_CLOCK_OUT_DISABLE,
	201	.output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
	202	.top = MXL5005S_TOP_25P2,
	203	.mod_mode = MXL_DIGITAL_MODE,
	204	.if_mode = MXL_ZERO_IF,
	205	.AgcMasterByte = 0x00,
	206	};
	207
	208	static int ce6230_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
	209	{
	210	int ret;
	211	deb_info("%s:\n", __func__);
ab84f182	212	ret = dvb_attach(mxl5005s_attach, adap->fe[0], &adap->dev->i2c_adap,
eebb876b AP	213	&ce6230_mxl5003s_config) == NULL ? -ENODEV : 0;
	214	return ret;
	215	}
	216
	217	static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff)
	218	{
	219	int ret;
	220	deb_info("%s: onoff:%d\n", __func__, onoff);
	221
	222	/* InterfaceNumber 1 / AlternateSetting 0 idle
	223	InterfaceNumber 1 / AlternateSetting 1 streaming */
	224	ret = usb_set_interface(d->udev, 1, onoff);
	225	if (ret)
	226	err("usb_set_interface failed with error:%d", ret);
	227
	228	return ret;
	229	}
	230
	231	/* DVB USB Driver stuff */
ab84f182 AP	232	static struct dvb_usb_device_properties ce6230_props = {
	233	.driver_name = KBUILD_MODNAME,
	234	.owner = THIS_MODULE,
	235	.adapter_nr = adapter_nr,
	236	.bInterfaceNumber = 1,
eebb876b	237
ab84f182 AP	238	.i2c_algo = &ce6230_i2c_algo,
	239	.power_ctrl = ce6230_power_ctrl,
	240	.frontend_attach = ce6230_zl10353_frontend_attach,
	241	.tuner_attach = ce6230_mxl5003s_tuner_attach,
eebb876b AP	242
	243	.num_adapters = 1,
	244	.adapter = {
	245	{
eebb876b AP	246	.stream = {
	247	.type = USB_BULK,
	248	.count = 6,
	249	.endpoint = 0x82,
	250	.u = {
	251	.bulk = {
eb3b2d89	252	.buffersize = (16*512),
eebb876b AP	253	}
	254	}
	255	},
	256	}
	257	},
eebb876b AP	258	};
eebb876b AP	259
ab84f182 AP	260	static const struct usb_device_id ce6230_id_table[] = {
	261	{ DVB_USB_DEVICE(USB_VID_INTEL, USB_PID_INTEL_CE9500,
	262	&ce6230_props, "Intel CE9500 reference design", NULL) },
	263	{ DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A310,
	264	&ce6230_props, "AVerMedia A310 USB 2.0 DVB-T tuner", NULL) },
	265	{ }
	266	};
	267	MODULE_DEVICE_TABLE(usb, ce6230_id_table);
	268
	269	static struct usb_driver ce6230_usb_driver = {
	270	.name = KBUILD_MODNAME,
	271	.id_table = ce6230_id_table,
	272	.probe = dvb_usbv2_probe,
	273	.disconnect = dvb_usbv2_disconnect,
	274	.suspend = dvb_usbv2_suspend,
	275	.resume = dvb_usbv2_resume,
	276	.no_dynamic_id = 1,
	277	.soft_unbind = 1,
eebb876b AP	278	};
eebb876b AP	279
ab84f182	280	module_usb_driver(ce6230_usb_driver);
eebb876b AP	281
	282	MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
	283	MODULE_DESCRIPTION("Driver for Intel CE6230 DVB-T USB2.0");
	284	MODULE_LICENSE("GPL");