2 * Intel CE6230 DVB USB driver
4 * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
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.
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.
20 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
22 static int ce6230_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
40 requesttype = (USB_TYPE_VENDOR | USB_DIR_IN);
45 requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT);
48 dev_err(&d->udev->dev, "%s: unknown command=%02x\n",
49 KBUILD_MODNAME, req->cmd);
54 buf = kmalloc(req->data_len, GFP_KERNEL);
60 if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) {
62 memcpy(buf, req->data, req->data_len);
63 pipe = usb_sndctrlpipe(d->udev, 0);
66 pipe = usb_rcvctrlpipe(d->udev, 0);
69 msleep(1); /* avoid I2C errors */
71 ret = usb_control_msg(d->udev, pipe, request, requesttype, value, index,
72 buf, req->data_len, CE6230_USB_TIMEOUT);
74 dvb_usb_dbg_usb_control_msg(d->udev, request, requesttype, value, index,
78 dev_err(&d->udev->dev, "%s: usb_control_msg() failed=%d\n",
83 /* read request, copy returned data to return buf */
84 if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN))
85 memcpy(req->data, buf, req->data_len);
93 static struct zl10353_config ce6230_zl10353_config;
95 static int ce6230_i2c_master_xfer(struct i2c_adapter *adap,
96 struct i2c_msg msg[], int num)
98 struct dvb_usb_device *d = i2c_get_adapdata(adap);
105 memset(&req, 0, sizeof(req));
107 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
111 if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) {
113 ce6230_zl10353_config.demod_address) {
114 if (msg[i].len < 1) {
118 req.cmd = DEMOD_READ;
119 req.value = msg[i].addr >> 1;
120 req.index = msg[i].buf[0];
121 req.data_len = msg[i+1].len;
122 req.data = &msg[i+1].buf[0];
123 ret = ce6230_ctrl_msg(d, &req);
125 dev_err(&d->udev->dev, "%s: I2C read not " \
133 ce6230_zl10353_config.demod_address) {
134 if (msg[i].len < 1) {
138 req.cmd = DEMOD_WRITE;
139 req.value = msg[i].addr >> 1;
140 req.index = msg[i].buf[0];
141 req.data_len = msg[i].len-1;
142 req.data = &msg[i].buf[1];
143 ret = ce6230_ctrl_msg(d, &req);
146 req.value = 0x2000 + (msg[i].addr >> 1);
148 req.data_len = msg[i].len;
149 req.data = &msg[i].buf[0];
150 ret = ce6230_ctrl_msg(d, &req);
158 mutex_unlock(&d->i2c_mutex);
159 return ret ? ret : i;
162 static u32 ce6230_i2c_functionality(struct i2c_adapter *adapter)
167 static struct i2c_algorithm ce6230_i2c_algorithm = {
168 .master_xfer = ce6230_i2c_master_xfer,
169 .functionality = ce6230_i2c_functionality,
172 /* Callbacks for DVB USB */
173 static struct zl10353_config ce6230_zl10353_config = {
174 .demod_address = 0x1e,
183 static int ce6230_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
185 struct dvb_usb_device *d = adap_to_d(adap);
187 dev_dbg(&d->udev->dev, "%s:\n", __func__);
189 adap->fe[0] = dvb_attach(zl10353_attach, &ce6230_zl10353_config,
191 if (adap->fe[0] == NULL)
197 static struct mxl5005s_config ce6230_mxl5003s_config = {
199 .if_freq = IF_FREQ_4570000HZ,
200 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
201 .agc_mode = MXL_SINGLE_AGC,
202 .tracking_filter = MXL_TF_DEFAULT,
203 .rssi_enable = MXL_RSSI_ENABLE,
204 .cap_select = MXL_CAP_SEL_ENABLE,
205 .div_out = MXL_DIV_OUT_4,
206 .clock_out = MXL_CLOCK_OUT_DISABLE,
207 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
208 .top = MXL5005S_TOP_25P2,
209 .mod_mode = MXL_DIGITAL_MODE,
210 .if_mode = MXL_ZERO_IF,
211 .AgcMasterByte = 0x00,
214 static int ce6230_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
216 struct dvb_usb_device *d = adap_to_d(adap);
219 dev_dbg(&d->udev->dev, "%s:\n", __func__);
221 ret = dvb_attach(mxl5005s_attach, adap->fe[0], &d->i2c_adap,
222 &ce6230_mxl5003s_config) == NULL ? -ENODEV : 0;
226 static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff)
230 dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
232 /* InterfaceNumber 1 / AlternateSetting 0 idle
233 InterfaceNumber 1 / AlternateSetting 1 streaming */
234 ret = usb_set_interface(d->udev, 1, onoff);
236 dev_err(&d->udev->dev, "%s: usb_set_interface() failed=%d\n",
237 KBUILD_MODNAME, ret);
242 /* DVB USB Driver stuff */
243 static struct dvb_usb_device_properties ce6230_props = {
244 .driver_name = KBUILD_MODNAME,
245 .owner = THIS_MODULE,
246 .adapter_nr = adapter_nr,
247 .bInterfaceNumber = 1,
249 .i2c_algo = &ce6230_i2c_algorithm,
250 .power_ctrl = ce6230_power_ctrl,
251 .frontend_attach = ce6230_zl10353_frontend_attach,
252 .tuner_attach = ce6230_mxl5003s_tuner_attach,
263 .buffersize = (16 * 512),
271 static const struct usb_device_id ce6230_id_table[] = {
272 { DVB_USB_DEVICE(USB_VID_INTEL, USB_PID_INTEL_CE9500,
273 &ce6230_props, "Intel CE9500 reference design", NULL) },
274 { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A310,
275 &ce6230_props, "AVerMedia A310 USB 2.0 DVB-T tuner", NULL) },
278 MODULE_DEVICE_TABLE(usb, ce6230_id_table);
280 static struct usb_driver ce6230_usb_driver = {
281 .name = KBUILD_MODNAME,
282 .id_table = ce6230_id_table,
283 .probe = dvb_usbv2_probe,
284 .disconnect = dvb_usbv2_disconnect,
285 .suspend = dvb_usbv2_suspend,
286 .resume = dvb_usbv2_resume,
287 .reset_resume = dvb_usbv2_reset_resume,
292 module_usb_driver(ce6230_usb_driver);
294 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
295 MODULE_DESCRIPTION("Intel CE6230 driver");
296 MODULE_LICENSE("GPL");