V4L/DVB (8734): Initial support for AME DTV-5100 USB2.0 DVB-T

Basic support for AME DTV-5100 USB2.0 DVB-T using the qt1010 tuner and a dummy frontend.

Signed-off-by: Antoine Jacquet <royale@zerezo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

5 files changed, 502 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig
index 8a54cb48322f..1d9e98cee9e7 100644
--- a/drivers/media/dvb/dvb-usb/Kconfig
+++ b/drivers/media/dvb/dvb-usb/Kconfig
@@ -264,3 +264,10 @@ config DVB_USB_ANYSEE
         help
           Say Y here to support the Anysee E30, Anysee E30 Plus or
           Anysee E30 C Plus DVB USB2.0 receiver.
+
+config DVB_USB_DTV5100
+        tristate "AME DTV-5100 USB2.0 DVB-T support"
+        depends on DVB_USB
+        select MEDIA_TUNER_QT1010 if !DVB_FE_CUSTOMISE
+        help
+          Say Y here to support the AME DTV-5100 USB2.0 DVB-T receiver.
diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile
index e206f1ea0027..5e170fba1092 100644
--- a/drivers/media/dvb/dvb-usb/Makefile
+++ b/drivers/media/dvb/dvb-usb/Makefile
@@ -67,6 +67,9 @@ obj-$(CONFIG_DVB_USB_ANYSEE) += dvb-usb-anysee.o
 dvb-usb-dw2102-objs = dw2102.o
 obj-$(CONFIG_DVB_USB_DW2102) += dvb-usb-dw2102.o
 
+dvb-usb-dtv5100-objs = dtv5100.o dtv5100-fe.o
+obj-$(CONFIG_DVB_USB_DTV5100) += dvb-usb-dtv5100.o
+
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/ -Idrivers/media/dvb/frontends/
 # due to tuner-xc3028
 EXTRA_CFLAGS += -Idrivers/media/common/tuners
diff --git a/drivers/media/dvb/dvb-usb/dtv5100-fe.c b/drivers/media/dvb/dvb-usb/dtv5100-fe.c
new file mode 100644
index 000000000000..08fe33bcc5d6
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/dtv5100-fe.c
@@ -0,0 +1,147 @@
+/*
+ * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T
+ *
+ * Copyright (C) 2008  Antoine Jacquet <royale@zerezo.com>
+ * http://royale.zerezo.com/dtv5100/
+ *
+ * Inspired by dvb_dummy_fe.c
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "dvb-usb.h"
+#include "qt1010_priv.h"
+
+struct dtv5100_fe_state {
+        struct dvb_frontend frontend;
+};
+
+static int dtv5100_fe_read_status(struct dvb_frontend* fe, fe_status_t* status)
+{
+        *status = FE_HAS_SIGNAL
+                | FE_HAS_CARRIER
+                | FE_HAS_VITERBI
+                | FE_HAS_SYNC
+                | FE_HAS_LOCK;
+
+        return 0;
+}
+
+static int dtv5100_fe_read_ber(struct dvb_frontend* fe, u32* ber)
+{
+        *ber = 0;
+        return 0;
+}
+
+static int dtv5100_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)
+{
+        *strength = 0;
+        return 0;
+}
+
+static int dtv5100_fe_read_snr(struct dvb_frontend* fe, u16* snr)
+{
+        *snr = 0;
+        return 0;
+}
+
+static int dtv5100_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+{
+        *ucblocks = 0;
+        return 0;
+}
+
+static int dtv5100_fe_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+{
+        return 0;
+}
+
+static int dtv5100_fe_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+{
+        if (fe->ops.tuner_ops.set_params) {
+                fe->ops.tuner_ops.set_params(fe, p);
+                if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+        }
+
+        return 0;
+}
+
+static int dtv5100_fe_sleep(struct dvb_frontend* fe)
+{
+        return 0;
+}
+
+static int dtv5100_fe_init(struct dvb_frontend* fe)
+{
+        return 0;
+}
+
+static void dtv5100_fe_release(struct dvb_frontend* fe)
+{
+        struct dtv5100_fe_state* state = fe->demodulator_priv;
+        kfree(state);
+}
+
+static struct dvb_frontend_ops dtv5100_fe_ops;
+
+struct dvb_frontend* dtv5100_fe_attach(void)
+{
+        struct dtv5100_fe_state* state = NULL;
+
+        /* allocate memory for the internal state */
+        state = kmalloc(sizeof(struct dtv5100_fe_state), GFP_KERNEL);
+        if (state == NULL) goto error;
+
+        /* create dvb_frontend */
+        memcpy(&state->frontend.ops, &dtv5100_fe_ops, sizeof(struct dvb_frontend_ops));
+        state->frontend.demodulator_priv = state;
+        return &state->frontend;
+
+error:
+        kfree(state);
+        return NULL;
+}
+
+static struct dvb_frontend_ops dtv5100_fe_ops = {
+
+        .info = {
+                .name                   = "Dummy DVB-T",
+                .type                   = FE_OFDM,
+                .frequency_min          = QT1010_MIN_FREQ,
+                .frequency_max          = QT1010_MAX_FREQ,
+                .frequency_stepsize     = QT1010_STEP,
+                .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+                                FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
+                                FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
+                                FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
+                                FE_CAN_TRANSMISSION_MODE_AUTO |
+                                FE_CAN_GUARD_INTERVAL_AUTO |
+                                FE_CAN_HIERARCHY_AUTO,
+        },
+
+        .release = dtv5100_fe_release,
+
+        .init = dtv5100_fe_init,
+        .sleep = dtv5100_fe_sleep,
+
+        .set_frontend = dtv5100_fe_set_frontend,
+        .get_frontend = dtv5100_fe_get_frontend,
+
+        .read_status = dtv5100_fe_read_status,
+        .read_ber = dtv5100_fe_read_ber,
+        .read_signal_strength = dtv5100_fe_read_signal_strength,
+        .read_snr = dtv5100_fe_read_snr,
+        .read_ucblocks = dtv5100_fe_read_ucblocks,
+};
diff --git a/drivers/media/dvb/dvb-usb/dtv5100.c b/drivers/media/dvb/dvb-usb/dtv5100.c
new file mode 100644
index 000000000000..f89d01755eab
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/dtv5100.c
@@ -0,0 +1,217 @@
+/*
+ * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T
+ *
+ * Copyright (C) 2008  Antoine Jacquet <royale@zerezo.com>
+ * http://royale.zerezo.com/dtv5100/
+ *
+ * Inspired by gl861.c and au6610.c drivers
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "dtv5100.h"
+#include "qt1010.h"
+
+/* debug */
+static int dvb_usb_dtv5100_debug;
+module_param_named(debug, dvb_usb_dtv5100_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int dtv5100_read_reg(struct dvb_usb_device *d, u8 addr, u8 reg, u8 *value)
+{
+        return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
+                               DTV5100_I2C_READ, USB_TYPE_VENDOR|USB_DIR_IN,
+                               0, (addr << 8) + reg, value, 1,
+                               DTV5100_USB_TIMEOUT);
+}
+
+static int dtv5100_write_reg(struct dvb_usb_device *d, u8 addr, u8 reg, u8 value)
+{
+        return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
+                               DTV5100_I2C_WRITE, USB_TYPE_VENDOR|USB_DIR_OUT,
+                               value, (addr << 8) + reg, NULL, 0,
+                               DTV5100_USB_TIMEOUT);
+}
+
+/* I2C */
+static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+                            int num)
+{
+        struct dvb_usb_device *d = i2c_get_adapdata(adap);
+        int i;
+
+        if (num > 2)
+                return -EINVAL;
+
+        if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                return -EAGAIN;
+
+        for (i = 0; i < num; i++) {
+                if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
+                        /* write/read request, 2 messages
+                         *      msg = {
+                         *              { reg },
+                         *              { val },
+                         *      }
+                         */
+                        if (dtv5100_read_reg(d, msg[i].addr, msg[i].buf[0], msg[i+1].buf) < 0)
+                                break;
+                        i++;
+                } else {
+                        /* write request, 1 message
+                         *      msg = {
+                         *              { reg, val },
+                         *      }
+                         */
+                        if (dtv5100_write_reg(d, msg[i].addr, msg[i].buf[0], msg[i].buf[1]) < 0)
+                                break;
+                }
+        }
+
+        mutex_unlock(&d->i2c_mutex);
+        return i;
+}
+
+static u32 dtv5100_i2c_func(struct i2c_adapter *adapter)
+{
+        return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm dtv5100_i2c_algo = {
+        .master_xfer   = dtv5100_i2c_xfer,
+        .functionality = dtv5100_i2c_func,
+};
+
+/* Callbacks for DVB USB */
+static int dtv5100_frontend_attach(struct dvb_usb_adapter *adap)
+{
+        adap->fe = dtv5100_fe_attach();
+        return 0;
+}
+
+static struct qt1010_config dtv5100_qt1010_config = {
+        .i2c_address = 0xc4
+};
+
+static int dtv5100_tuner_attach(struct dvb_usb_adapter *adap)
+{
+        return dvb_attach(qt1010_attach,
+                          adap->fe, &adap->dev->i2c_adap,
+                          &dtv5100_qt1010_config) == NULL ? -ENODEV : 0;
+}
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_device_properties dtv5100_properties;
+
+static int dtv5100_probe(struct usb_interface *intf,
+                         const struct usb_device_id *id)
+{
+        int i, ret;
+        struct usb_device *udev = interface_to_usbdev(intf);
+
+        ret = dvb_usb_device_init(intf, &dtv5100_properties,
+                                  THIS_MODULE, NULL, adapter_nr);
+        if (ret)
+                return ret;
+
+        /* initialize frontend & non qt1010 part? */
+        for (i = 0; dtv5100_init[i].request; i++)
+        {
+                ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+                                      dtv5100_init[i].request,
+                                      USB_TYPE_VENDOR|USB_DIR_OUT,
+                                      dtv5100_init[i].value,
+                                      dtv5100_init[i].index, NULL, 0,
+                                      DTV5100_USB_TIMEOUT);
+                if (ret)
+                        return ret;
+        }
+
+        return 0;
+}
+
+static struct usb_device_id dtv5100_table [] = {
+        { USB_DEVICE(0x06be, 0xa232) },
+        { }             /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, dtv5100_table);
+
+static struct dvb_usb_device_properties dtv5100_properties = {
+        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+        .usb_ctrl = DEVICE_SPECIFIC,
+
+        .size_of_priv = 0,
+
+        .num_adapters = 1,
+        .adapter = {{
+                .frontend_attach = dtv5100_frontend_attach,
+                .tuner_attach    = dtv5100_tuner_attach,
+
+                .stream = {
+                        .type = USB_BULK,
+                        .count = 8,
+                        .endpoint = 0x82,
+                        .u = {
+                                .bulk = {
+                                        .buffersize = 4096,
+                                }
+                        }
+                },
+        } },
+
+        .i2c_algo = &dtv5100_i2c_algo,
+
+        .num_device_descs = 1,
+        .devices = {
+                {
+                        .name = "AME DTV-5100 USB2.0 DVB-T",
+                        .cold_ids = { NULL },
+                        .warm_ids = { &dtv5100_table[0], NULL },
+                },
+        }
+};
+
+static struct usb_driver dtv5100_driver = {
+        .name           = "dvb_usb_dtv5100",
+        .probe          = dtv5100_probe,
+        .disconnect     = dvb_usb_device_exit,
+        .id_table       = dtv5100_table,
+};
+
+/* module stuff */
+static int __init dtv5100_module_init(void)
+{
+        int ret;
+
+        ret = usb_register(&dtv5100_driver);
+        if (ret)
+                err("usb_register failed. Error number %d", ret);
+
+        return ret;
+}
+
+static void __exit dtv5100_module_exit(void)
+{
+        /* deregister this driver from the USB subsystem */
+        usb_deregister(&dtv5100_driver);
+}
+
+module_init(dtv5100_module_init);
+module_exit(dtv5100_module_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/dvb-usb/dtv5100.h b/drivers/media/dvb/dvb-usb/dtv5100.h
new file mode 100644
index 000000000000..1aadb86f70e6
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/dtv5100.h
@@ -0,0 +1,128 @@
+/*
+ * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T
+ *
+ * Copyright (C) 2008  Antoine Jacquet <royale@zerezo.com>
+ * http://royale.zerezo.com/dtv5100/
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _DVB_USB_DTV5100_H_
+#define _DVB_USB_DTV5100_H_
+
+#define DVB_USB_LOG_PREFIX "dtv5100"
+#include "dvb-usb.h"
+
+#define DTV5100_USB_TIMEOUT 500
+#define DTV5100_I2C_WRITE 0xc7
+#define DTV5100_I2C_READ  0xc8
+
+#define DRIVER_AUTHOR "Antoine Jacquet, http://royale.zerezo.com/"
+#define DRIVER_DESC "AME DTV-5100 USB2.0 DVB-T"
+
+static struct {
+        u8 request;
+        u8 value;
+        u16 index;
+} dtv5100_init[] = {
+        { 0x000000c5, 0x00000000, 0x00000001 },
+        { 0x000000c5, 0x00000001, 0x00000001 },
+        { 0x000000c0, 0x0000000b, 0x00000050 },
+        { 0x000000c0, 0x00000044, 0x00000051 },
+        { 0x000000c0, 0x00000046, 0x00000052 },
+        { 0x000000c0, 0x00000015, 0x00000053 },
+        { 0x000000c0, 0x0000000f, 0x00000054 },
+        { 0x000000c0, 0x00000080, 0x00000055 },
+        { 0x000000c0, 0x00000001, 0x000000ea },
+        { 0x000000c0, 0x00000000, 0x000000ea },
+        { 0x000000c0, 0x00000075, 0x0000005c },
+        { 0x000000c0, 0x000000a1, 0x0000009c },
+        { 0x000000c0, 0x00000000, 0x0000008e },
+        { 0x000000c0, 0x00000000, 0x00000090 },
+        { 0x000000c0, 0x000000ff, 0x00000091 },
+        { 0x000000c0, 0x000000ff, 0x00000092 },
+        { 0x000000c0, 0x00000000, 0x00000093 },
+        { 0x000000c0, 0x000000ff, 0x00000094 },
+        { 0x000000c0, 0x00000000, 0x00000058 },
+        { 0x000000c0, 0x0000003f, 0x00000095 },
+        { 0x000000c0, 0x0000003f, 0x00000096 },
+        { 0x000000c0, 0x0000000c, 0x0000005a },
+        { 0x000000c0, 0x0000002b, 0x00000056 },
+        { 0x000000c0, 0x00000017, 0x0000005f },
+        { 0x000000c0, 0x00000040, 0x0000005e },
+        { 0x000000c0, 0x00000036, 0x00000064 },
+        { 0x000000c0, 0x00000067, 0x00000065 },
+        { 0x000000c0, 0x000000e5, 0x00000066 },
+        { 0x000000c0, 0x00000073, 0x000000cc },
+        { 0x000000c0, 0x000000cd, 0x0000006c },
+        { 0x000000c0, 0x0000007e, 0x0000006d },
+        { 0x000000c0, 0x00000001, 0x00000071 },
+        { 0x000000c0, 0x00000001, 0x00000070 },
+        /**/
+        { 0x000000c7, 0x00000080, 0x0000c401 },
+        { 0x000000c7, 0x0000003f, 0x0000c402 },
+        { 0x000000c7, 0x00000034, 0x0000c405 }, // 2
+        { 0x000000c7, 0x00000044, 0x0000c406 },
+        { 0x000000c7, 0x00000038, 0x0000c407 }, // 4
+        { 0x000000c7, 0x00000008, 0x0000c408 },
+        { 0x000000c7, 0x0000001c, 0x0000c409 }, // 6
+        { 0x000000c7, 0x0000000d, 0x0000c40a }, // 7
+        { 0x000000c7, 0x00000045, 0x0000c40b }, // 8
+        { 0x000000c7, 0x000000e1, 0x0000c40c },
+        { 0x000000c7, 0x00000078, 0x0000c41a }, // 10
+        { 0x000000c7, 0x00000000, 0x0000c41b },
+        { 0x000000c7, 0x00000089, 0x0000c41c },
+        { 0x000000c7, 0x000000fd, 0x0000c411 }, // 13
+        { 0x000000c7, 0x00000095, 0x0000c412 }, // 14
+        { 0x000000c7, 0x000000d6, 0x0000c422 }, // 15
+        { 0x000000c7, 0x00000000, 0x0000c41e },
+        { 0x000000c7, 0x000000d0, 0x0000c41e },
+        { 0x000000c8, 0x00000000, 0x0000c422 },
+        { 0x000000c7, 0x00000000, 0x0000c41e },
+        { 0x000000c8, 0x00000000, 0x0000c405 },
+        { 0x000000c8, 0x00000000, 0x0000c422 },
+        { 0x000000c7, 0x000000d0, 0x0000c423 },
+        { 0x000000c7, 0x00000000, 0x0000c41e },
+        { 0x000000c7, 0x000000e0, 0x0000c41e },
+        { 0x000000c8, 0x00000000, 0x0000c423 },
+        { 0x000000c8, 0x00000000, 0x0000c423 },
+        { 0x000000c7, 0x00000000, 0x0000c41e },
+        { 0x000000c7, 0x000000d0, 0x0000c424 },
+        { 0x000000c7, 0x00000000, 0x0000c41e },
+        { 0x000000c7, 0x000000f0, 0x0000c41e },
+        { 0x000000c8, 0x00000000, 0x0000c424 },
+        { 0x000000c7, 0x00000000, 0x0000c41e },
+        { 0x000000c7, 0x0000007f, 0x0000c414 },
+        { 0x000000c7, 0x0000007f, 0x0000c415 },
+        { 0x000000c7, 0x00000030, 0x0000c405 },
+        { 0x000000c7, 0x00000000, 0x0000c406 },
+        { 0x000000c7, 0x0000001f, 0x0000c415 },
+        { 0x000000c7, 0x000000ff, 0x0000c416 },
+        { 0x000000c7, 0x000000ff, 0x0000c418 },
+        { 0x000000c7, 0x00000051, 0x0000c41f }, // here
+        { 0x000000c7, 0x00000016, 0x0000c420 }, // here
+        { 0x000000c7, 0x00000053, 0x0000c421 },
+        { 0x000000c7, 0x000000c1, 0x0000c425 }, // here
+        { 0x000000c7, 0x00000014, 0x0000c426 }, // here
+        { 0x000000c7, 0x00000082, 0x0000c400 },
+        { 0x000000c7, 0x00000000, 0x0000c402 },
+        { 0x000000c7, 0x00000000, 0x0000c401 },
+        /**/
+        { }             /* Terminating entry */
+};
+
+extern struct dvb_frontend* dtv5100_fe_attach(void);
+
+#endif