1 files changed, 287 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb-v2/ce6230.c b/drivers/media/usb/dvb-usb-v2/ce6230.c
new file mode 100644
index 000000000000..84ff4a96ca4e
--- /dev/null
+++ b/drivers/media/usb/dvb-usb-v2/ce6230.c
@@ -0,0 +1,287 @@
+/*
+ * 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:
+                pr_debug("%s: unknown command=%02x\n", __func__, 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);
+
+        ce6230_debug_dump(request, requesttype, value, index, buf,
+                        req->data_len);
+
+        if (ret < 0)
+                pr_err("%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 {
+                                pr_err("%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)
+{
+        pr_debug("%s:\n", __func__);
+
+        adap->fe[0] = dvb_attach(zl10353_attach, &ce6230_zl10353_config,
+                        &adap_to_d(adap)->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;
+
+        pr_debug("%s:\n", __func__);
+
+        ret = dvb_attach(mxl5005s_attach, adap->fe[0],
+                        &adap_to_d(adap)->i2c_adap,
+                        &ce6230_mxl5003s_config) == NULL ? -ENODEV : 0;
+        return ret;
+}
+
+static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+        int ret;
+
+        pr_debug("%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)
+                pr_err("%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,
+        .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");