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- /*
- * Intel CE6230 DVB USB driver
- *
- * 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"
- DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
- static int ce6230_ctrl_msg(struct dvb_usb_device *d, struct usb_req *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:
- dev_err(&d->udev->dev, "%s: unknown command=%02x\n",
- KBUILD_MODNAME, req->cmd);
- ret = -EINVAL;
- 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);
- dvb_usb_dbg_usb_control_msg(d->udev, request, requesttype, value, index,
- buf, req->data_len);
- if (ret < 0)
- dev_err(&d->udev->dev, "%s: usb_control_msg() failed=%d\n",
- KBUILD_MODNAME, 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 struct zl10353_config ce6230_zl10353_config;
- static int ce6230_i2c_master_xfer(struct i2c_adapter *adap,
- struct i2c_msg msg[], int num)
- {
- struct dvb_usb_device *d = i2c_get_adapdata(adap);
- int ret = 0, i = 0;
- struct usb_req req;
- if (num > 2)
- return -EOPNOTSUPP;
- memset(&req, 0, sizeof(req));
- 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 {
- dev_err(&d->udev->dev, "%s: I2C read not " \
- "implemented\n",
- KBUILD_MODNAME);
- ret = -EOPNOTSUPP;
- }
- 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_functionality(struct i2c_adapter *adapter)
- {
- return I2C_FUNC_I2C;
- }
- static struct i2c_algorithm ce6230_i2c_algorithm = {
- .master_xfer = ce6230_i2c_master_xfer,
- .functionality = ce6230_i2c_functionality,
- };
- /* 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)
- {
- struct dvb_usb_device *d = adap_to_d(adap);
- dev_dbg(&d->udev->dev, "%s:\n", __func__);
- adap->fe[0] = dvb_attach(zl10353_attach, &ce6230_zl10353_config,
- &d->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)
- {
- struct dvb_usb_device *d = adap_to_d(adap);
- int ret;
- dev_dbg(&d->udev->dev, "%s:\n", __func__);
- ret = dvb_attach(mxl5005s_attach, adap->fe[0], &d->i2c_adap,
- &ce6230_mxl5003s_config) == NULL ? -ENODEV : 0;
- return ret;
- }
- static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff)
- {
- int ret;
- dev_dbg(&d->udev->dev, "%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)
- dev_err(&d->udev->dev, "%s: usb_set_interface() failed=%d\n",
- KBUILD_MODNAME, 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_algorithm,
- .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,
- .reset_resume = dvb_usbv2_reset_resume,
- .no_dynamic_id = 1,
- .soft_unbind = 1,
- };
- module_usb_driver(ce6230_usb_driver);
- MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
- MODULE_DESCRIPTION("Intel CE6230 driver");
- MODULE_LICENSE("GPL");
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