V4L/DVB (8421): Adds support for Dvbworld DVB-S 2102 USB card

Signed-off-by: Igor M Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

6 files changed, 543 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig
index a577c0f89f6..3c663c65ef6 100644
--- a/drivers/media/dvb/dvb-usb/Kconfig
+++ b/drivers/media/dvb/dvb-usb/Kconfig
@@ -246,6 +246,14 @@ config DVB_USB_AF9005_REMOTE
           Say Y here to support the default remote control decoding for the
           Afatech AF9005 based receiver.
 
+config DVB_USB_DW2102
+        tristate "DvbWorld 2102 DVB-S USB2.0 receiver"
+        depends on DVB_USB
+        select DVB_STV0299 if !DVB_FE_CUSTOMISE
+        select DVB_PLL if !DVB_FE_CUSTOMISE
+        help
+           Say Y here to support the DvbWorld 2102 DVB-S USB2.0 receiver.
+
 config DVB_USB_ANYSEE
         tristate "Anysee DVB-T/C USB2.0 support"
         depends on DVB_USB
diff --git a/drivers/media/dvb/dvb-usb/Makefile b/drivers/media/dvb/dvb-usb/Makefile
index 44c11e45e56..e206f1ea002 100644
--- a/drivers/media/dvb/dvb-usb/Makefile
+++ b/drivers/media/dvb/dvb-usb/Makefile
@@ -64,6 +64,9 @@ obj-$(CONFIG_DVB_USB_AF9005_REMOTE) += dvb-usb-af9005-remote.o
 dvb-usb-anysee-objs = anysee.o
 obj-$(CONFIG_DVB_USB_ANYSEE) += dvb-usb-anysee.o
 
+dvb-usb-dw2102-objs = dw2102.o
+obj-$(CONFIG_DVB_USB_DW2102) += dvb-usb-dw2102.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/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
index e5238b31e94..029b437caf9 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h
@@ -204,5 +204,6 @@
 #define USB_PID_ASUS_U3000                              0x171f
 #define USB_PID_ASUS_U3100                              0x173f
 #define USB_PID_YUAN_EC372S                             0x1edc
+#define USB_PID_DW2102                                  0x2102
 
 #endif
diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c
new file mode 100644
index 00000000000..a4d898b44e5
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/dw2102.c
@@ -0,0 +1,425 @@
+/* DVB USB framework compliant Linux driver for the DVBWorld DVB-S 2102 Card
+*
+* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+*
+*       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, version 2.
+*
+* see Documentation/dvb/README.dvb-usb for more information
+*/
+#include <linux/version.h>
+#include "dw2102.h"
+#include "stv0299.h"
+#include "z0194a.h"
+
+#ifndef USB_PID_DW2102
+#define USB_PID_DW2102 0x2102
+#endif
+
+#define DW2102_READ_MSG 0
+#define DW2102_WRITE_MSG 1
+
+#define REG_1F_SYMBOLRATE_BYTE0 0x1f
+#define REG_20_SYMBOLRATE_BYTE1 0x20
+#define REG_21_SYMBOLRATE_BYTE2 0x21
+
+#define DW2102_VOLTAGE_CTRL (0x1800)
+#define DW2102_RC_QUERY (0x1a00)
+
+struct dw2102_state {
+        u32 last_key_pressed;
+};
+struct dw2102_rc_keys {
+        u32 keycode;
+        u32 event;
+};
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int dw2102_op_rw(struct usb_device *dev, u8 request, u16 value,
+                u8 *data, u16 len, int flags)
+{
+        int ret;
+        u8 u8buf[len];
+
+        unsigned int pipe = (flags == DW2102_READ_MSG) ?
+                usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);
+        u8 request_type = (flags == DW2102_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
+
+        if (flags == DW2102_WRITE_MSG)
+                memcpy(u8buf, data, len);
+        ret = usb_control_msg(dev, pipe, request,
+                request_type | USB_TYPE_VENDOR, value, 0 , u8buf, len, 2000);
+
+        if (flags == DW2102_READ_MSG)
+                memcpy(data, u8buf, len);
+        return ret;
+}
+
+/* I2C */
+
+static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+                int num)
+{
+struct dvb_usb_device *d = i2c_get_adapdata(adap);
+        int i = 0, ret = 0;
+        u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0};
+        u8 request;
+        u16 value;
+
+        if (!d)
+                return -ENODEV;
+        if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                return -EAGAIN;
+
+        switch (num) {
+        case 2:
+                /* read stv0299 register */
+                request = 0xb5;
+                value = msg[0].buf[0];/* register */
+                for (i = 0; i < msg[1].len; i++) {
+                        value = value + i;
+                        ret = dw2102_op_rw(d->udev, 0xb5,
+                                value, buf6, 2, DW2102_READ_MSG);
+                        msg[1].buf[i] = buf6[0];
+
+                }
+                break;
+        case 1:
+                switch (msg[0].addr) {
+                case 0x68:
+                        /* write to stv0299 register */
+                        buf6[0] = 0x2a;
+                        buf6[1] = msg[0].buf[0];
+                        buf6[2] = msg[0].buf[1];
+                        ret = dw2102_op_rw(d->udev, 0xb2,
+                                0, buf6, 3, DW2102_WRITE_MSG);
+                        break;
+                case 0x60:
+                        if (msg[0].flags == 0) {
+                        /* write to tuner pll */
+                                buf6[0] = 0x2c;
+                                buf6[1] = 5;
+                                buf6[2] = 0xc0;
+                                buf6[3] = msg[0].buf[0];
+                                buf6[4] = msg[0].buf[1];
+                                buf6[5] = msg[0].buf[2];
+                                buf6[6] = msg[0].buf[3];
+                                ret = dw2102_op_rw(d->udev, 0xb2,
+                                0, buf6, 7, DW2102_WRITE_MSG);
+                        } else {
+                        /* write to tuner pll */
+                                ret = dw2102_op_rw(d->udev, 0xb5,
+                                0, buf6, 1, DW2102_READ_MSG);
+                                msg[0].buf[0] = buf6[0];
+                        }
+                        break;
+                case (DW2102_RC_QUERY):
+                        ret  = dw2102_op_rw(d->udev, 0xb8,
+                                0, buf6, 2, DW2102_READ_MSG);
+                        msg[0].buf[0] = buf6[0];
+                        msg[0].buf[1] = buf6[1];
+                        break;
+                case (DW2102_VOLTAGE_CTRL):
+                        buf6[0] = 0x30;
+                        buf6[1] = msg[0].buf[0];
+                        ret = dw2102_op_rw(d->udev, 0xb2,
+                                0, buf6, 2, DW2102_WRITE_MSG);
+                        break;
+                }
+
+                break;
+        }
+
+        mutex_unlock(&d->i2c_mutex);
+        return num;
+}
+
+static u32 dw2102_i2c_func(struct i2c_adapter *adapter)
+{
+        return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm dw2102_i2c_algo = {
+        .master_xfer = dw2102_i2c_transfer,
+        .functionality = dw2102_i2c_func,
+};
+
+static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+        static u8 command_13v[1] = {0x00};
+        static u8 command_18v[1] = {0x01};
+        struct i2c_msg msg[] = {
+                {.addr = DW2102_VOLTAGE_CTRL, .flags = 0,
+                        .buf = command_13v, .len = 1},
+        };
+
+        struct dvb_usb_adapter *udev_adap =
+                (struct dvb_usb_adapter *)(fe->dvb->priv);
+        if (voltage == SEC_VOLTAGE_18)
+                msg[0].buf = command_18v;
+        i2c_transfer(&udev_adap->dev->i2c_adap, msg, 1);
+        return 0;
+}
+
+static int dw2102_frontend_attach(struct dvb_usb_adapter *d)
+{
+        d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config,
+                &d->dev->i2c_adap);
+        if (d->fe != NULL) {
+                d->fe->ops.set_voltage = dw2102_set_voltage;
+                info("Attached stv0299!\n");
+                return 0;
+        }
+        return -EIO;
+}
+
+static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)
+{
+        dvb_attach(dvb_pll_attach, adap->fe, 0x60,
+                &adap->dev->i2c_adap, DVB_PLL_OPERA1);
+        return 0;
+}
+
+static struct dvb_usb_rc_key dw2102_rc_keys[] = {
+        { 0xf8, 0x0a, KEY_Q },          /*power*/
+        { 0xf8, 0x0c, KEY_M },          /*mute*/
+        { 0xf8, 0x11, KEY_1 },
+        { 0xf8, 0x12, KEY_2 },
+        { 0xf8, 0x13, KEY_3 },
+        { 0xf8, 0x14, KEY_4 },
+        { 0xf8, 0x15, KEY_5 },
+        { 0xf8, 0x16, KEY_6 },
+        { 0xf8, 0x17, KEY_7 },
+        { 0xf8, 0x18, KEY_8 },
+        { 0xf8, 0x19, KEY_9 },
+        { 0xf8, 0x10, KEY_0 },
+        { 0xf8, 0x1c, KEY_PAGEUP },     /*ch+*/
+        { 0xf8, 0x0f, KEY_PAGEDOWN },   /*ch-*/
+        { 0xf8, 0x1a, KEY_O },          /*vol+*/
+        { 0xf8, 0x0e, KEY_Z },          /*vol-*/
+        { 0xf8, 0x04, KEY_R },          /*rec*/
+        { 0xf8, 0x09, KEY_D },          /*fav*/
+        { 0xf8, 0x08, KEY_BACKSPACE },  /*rewind*/
+        { 0xf8, 0x07, KEY_A },          /*fast*/
+        { 0xf8, 0x0b, KEY_P },          /*pause*/
+        { 0xf8, 0x02, KEY_ESC },        /*cancel*/
+        { 0xf8, 0x03, KEY_G },          /*tab*/
+        { 0xf8, 0x00, KEY_UP },         /*up*/
+        { 0xf8, 0x1f, KEY_ENTER },      /*ok*/
+        { 0xf8, 0x01, KEY_DOWN },       /*down*/
+        { 0xf8, 0x05, KEY_C },          /*cap*/
+        { 0xf8, 0x06, KEY_S },          /*stop*/
+        { 0xf8, 0x40, KEY_F },          /*full*/
+        { 0xf8, 0x1e, KEY_W },          /*tvmode*/
+        { 0xf8, 0x1b, KEY_B },          /*recall*/
+
+};
+
+
+
+static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+        struct dw2102_state *st = d->priv;
+        u8 key[2];
+        struct i2c_msg msg[] = {
+                {.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key,
+                .len = 2},
+        };
+        int i;
+
+        *state = REMOTE_NO_KEY_PRESSED;
+        if (dw2102_i2c_transfer(&d->i2c_adap, msg, 1) == 1) {
+                for (i = 0; i < ARRAY_SIZE(dw2102_rc_keys); i++) {
+                        if (dw2102_rc_keys[i].data == msg[0].buf[0]) {
+                                *state = REMOTE_KEY_PRESSED;
+                                *event = dw2102_rc_keys[i].event;
+                                st->last_key_pressed =
+                                        dw2102_rc_keys[i].event;
+                                break;
+                        }
+                st->last_key_pressed = 0;
+                }
+        }
+        /* info("key: %x %x\n",key[0],key[1]); */
+        return 0;
+}
+
+static struct usb_device_id dw2102_table[] = {
+        {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)},
+        {USB_DEVICE(USB_VID_CYPRESS, 0x2101)},
+        { }
+};
+
+MODULE_DEVICE_TABLE(usb, dw2102_table);
+
+static int dw2102_load_firmware(struct usb_device *dev,
+                        const struct firmware *frmwr)
+{
+        u8 *b, *p;
+        int ret = 0, i;
+        u8 reset;
+        u8 reset16 [] = {0, 0, 0, 0, 0, 0, 0};
+        const struct firmware *fw;
+        const char *filename = "dvb-usb-dw2101.fw";
+        switch (dev->descriptor.idProduct) {
+        case 0x2101:
+                ret = request_firmware(&fw, filename, &dev->dev);
+                if (ret != 0) {
+                        err("did not find the firmware file. (%s) "
+                        "Please see linux/Documentation/dvb/ for more details "
+                        "on firmware-problems.", filename);
+                        return ret;
+                }
+                break;
+        case USB_PID_DW2102:
+                fw = frmwr;
+                break;
+        }
+        info("start downloading DW2102 firmware");
+        p = kmalloc(fw->size, GFP_KERNEL);
+        reset = 1;
+        /*stop the CPU*/
+        dw2102_op_rw(dev, 0xa0, 0x7f92, &reset, 1, DW2102_WRITE_MSG);
+        dw2102_op_rw(dev, 0xa0, 0xe600, &reset, 1, DW2102_WRITE_MSG);
+
+        if (p != NULL) {
+                memcpy(p, fw->data, fw->size);
+                for (i = 0; i < fw->size; i += 0x40) {
+                        b = (u8 *) p + i;
+                        if (dw2102_op_rw
+                                (dev, 0xa0, i, b , 0x40,
+                                        DW2102_WRITE_MSG) != 0x40
+                                ) {
+                                err("error while transferring firmware");
+                                ret = -EINVAL;
+                                break;
+                        }
+                }
+                /* restart the CPU */
+                reset = 0;
+                if (ret || dw2102_op_rw
+                        (dev, 0xa0, 0x7f92, &reset, 1,
+                        DW2102_WRITE_MSG) != 1) {
+                        err("could not restart the USB controller CPU.");
+                        ret = -EINVAL;
+                }
+                if (ret || dw2102_op_rw
+                        (dev, 0xa0, 0xe600, &reset, 1,
+                        DW2102_WRITE_MSG) != 1) {
+                        err("could not restart the USB controller CPU.");
+                        ret = -EINVAL;
+                }
+                /* init registers */
+                switch (dev->descriptor.idProduct) {
+                case USB_PID_DW2102:
+                        dw2102_op_rw
+                                (dev, 0xbf, 0x0040, &reset, 0,
+                                DW2102_WRITE_MSG);
+                        dw2102_op_rw
+                                (dev, 0xb9, 0x0000, &reset16[0], 2,
+                                DW2102_READ_MSG);
+                        break;
+                case 0x2101:
+                        dw2102_op_rw
+                                (dev, 0xbc, 0x0030, &reset16[0], 2,
+                                DW2102_READ_MSG);
+                        dw2102_op_rw
+                                (dev, 0xba, 0x0000, &reset16[0], 7,
+                                DW2102_READ_MSG);
+                        dw2102_op_rw
+                                (dev, 0xba, 0x0000, &reset16[0], 7,
+                                DW2102_READ_MSG);
+                        dw2102_op_rw
+                                (dev, 0xb9, 0x0000, &reset16[0], 2,
+                                DW2102_READ_MSG);
+                        break;
+                }
+                kfree(p);
+        }
+        return ret;
+}
+
+static struct dvb_usb_device_properties dw2102_properties = {
+        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+        .usb_ctrl = DEVICE_SPECIFIC,
+        .firmware = "dvb-usb-dw2102.fw",
+        .size_of_priv = sizeof(struct dw2102_state),
+        .no_reconnect = 1,
+
+        .i2c_algo = &dw2102_i2c_algo,
+        .rc_key_map = dw2102_rc_keys,
+        .rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys),
+        .rc_interval = 150,
+        .rc_query = dw2102_rc_query,
+
+        .generic_bulk_ctrl_endpoint = 0x81,
+        /* parameter for the MPEG2-data transfer */
+        .num_adapters = 1,
+        .download_firmware = dw2102_load_firmware,
+        .adapter = {
+                {
+                        .frontend_attach = dw2102_frontend_attach,
+                        .streaming_ctrl = NULL,
+                        .tuner_attach = dw2102_tuner_attach,
+                        .stream = {
+                                .type = USB_BULK,
+                                .count = 8,
+                                .endpoint = 0x82,
+                                .u = {
+                                        .bulk = {
+                                                .buffersize = 4096,
+                                        }
+                                }
+                        },
+                }
+        },
+        .num_device_descs = 2,
+        .devices = {
+                {"DVBWorld DVB-S 2102 USB2.0",
+                        {&dw2102_table[0], NULL},
+                        {NULL},
+                },
+                {"DVBWorld DVB-S 2101 USB2.0",
+                        {&dw2102_table[1], NULL},
+                        {NULL},
+                },
+        }
+};
+
+static int dw2102_probe(struct usb_interface *intf,
+                const struct usb_device_id *id)
+{
+        return dvb_usb_device_init(intf, &dw2102_properties,
+                THIS_MODULE, NULL, adapter_nr);
+}
+
+static struct usb_driver dw2102_driver = {
+        .name = "dw2102",
+        .probe = dw2102_probe,
+        .disconnect = dvb_usb_device_exit,
+        .id_table = dw2102_table,
+};
+
+static int __init dw2102_module_init(void)
+{
+        int ret =  usb_register(&dw2102_driver);
+        if (ret)
+                err("usb_register failed. Error number %d", ret);
+
+        return ret;
+}
+
+static void __exit dw2102_module_exit(void)
+{
+        usb_deregister(&dw2102_driver);
+}
+
+module_init(dw2102_module_init);
+module_exit(dw2102_module_exit);
+
+MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");
+MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101 2102 USB2.0 device");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/dvb-usb/dw2102.h b/drivers/media/dvb/dvb-usb/dw2102.h
new file mode 100644
index 00000000000..cb5873752e4
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/dw2102.h
@@ -0,0 +1,9 @@
+#ifndef _DW2102_H_
+#define _DW2102_H_
+
+#define DVB_USB_LOG_PREFIX "dw2102"
+#include <dvb-usb.h>
+
+extern int dvb_usb_dw2102_debug;
+#define deb_xfer(args...) dprintk(dvb_usb_dw2102_debug, 0x02, args)
+#endif
diff --git a/drivers/media/dvb/frontends/z0194a.h b/drivers/media/dvb/frontends/z0194a.h
new file mode 100644
index 00000000000..b5ca9e75421
--- /dev/null
+++ b/drivers/media/dvb/frontends/z0194a.h
@@ -0,0 +1,97 @@
+/* z0194a.h Sharp z0194a tuner support
+*
+* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+*
+*       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, version 2.
+*
+* see Documentation/dvb/README.dvb-usb for more information
+*/
+
+#ifndef Z0194A
+#define Z0194A
+
+static int sharp_z0194a__set_symbol_rate(struct dvb_frontend *fe,
+                                         u32 srate, u32 ratio)
+{
+        u8 aclk = 0;
+        u8 bclk = 0;
+
+        if (srate < 1500000) {
+                aclk = 0xb7; bclk = 0x47; }
+        else if (srate < 3000000) {
+                aclk = 0xb7; bclk = 0x4b; }
+        else if (srate < 7000000) {
+                aclk = 0xb7; bclk = 0x4f; }
+        else if (srate < 14000000) {
+                aclk = 0xb7; bclk = 0x53; }
+        else if (srate < 30000000) {
+                aclk = 0xb6; bclk = 0x53; }
+        else if (srate < 45000000) {
+                aclk = 0xb4; bclk = 0x51; }
+
+        stv0299_writereg(fe, 0x13, aclk);
+        stv0299_writereg(fe, 0x14, bclk);
+        stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
+        stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
+        stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
+
+        return 0;
+}
+
+static u8 sharp_z0194a__inittab[] = {
+        0x01, 0x15,
+        0x02, 0x00,
+        0x03, 0x00,
+        0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
+        0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
+        0x06, 0x40,   /* DAC not used, set to high impendance mode */
+        0x07, 0x00,   /* DAC LSB */
+        0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
+        0x09, 0x00,   /* FIFO */
+        0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
+        0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
+        0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
+        0x10, 0x3f,   /* AGC2  0x3d */
+        0x11, 0x84,
+        0x12, 0xb9,
+        0x15, 0xc9,   /* lock detector threshold */
+        0x16, 0x00,
+        0x17, 0x00,
+        0x18, 0x00,
+        0x19, 0x00,
+        0x1a, 0x00,
+        0x1f, 0x50,
+        0x20, 0x00,
+        0x21, 0x00,
+        0x22, 0x00,
+        0x23, 0x00,
+        0x28, 0x00,  /* out imp: normal  out type: parallel FEC mode:0 */
+        0x29, 0x1e,  /* 1/2 threshold */
+        0x2a, 0x14,  /* 2/3 threshold */
+        0x2b, 0x0f,  /* 3/4 threshold */
+        0x2c, 0x09,  /* 5/6 threshold */
+        0x2d, 0x05,  /* 7/8 threshold */
+        0x2e, 0x01,
+        0x31, 0x1f,  /* test all FECs */
+        0x32, 0x19,  /* viterbi and synchro search */
+        0x33, 0xfc,  /* rs control */
+        0x34, 0x93,  /* error control */
+        0x0f, 0x52,
+        0xff, 0xff
+};
+
+static struct stv0299_config sharp_z0194a_config = {
+        .demod_address = 0x68,
+        .inittab = sharp_z0194a__inittab,
+        .mclk = 88000000UL,
+        .invert = 1,
+        .skip_reinit = 0,
+        .lock_output = STV0229_LOCKOUTPUT_1,
+        .volt13_op0_op1 = STV0299_VOLT13_OP1,
+        .min_delay_ms = 100,
+        .set_symbol_rate = sharp_z0194a__set_symbol_rate,
+};
+
+#endif