*
* see Documentation/media/dvb-drivers/dvb-usb.rst for more information
*/
+#include <linux/string.h>
+
#include "gl861.h"
#include "zl10353.h"
#include "qt1010.h"
+#include "tc90522.h"
+#include "dvb-pll.h"
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
}
};
+
+/*
+ * For Friio
+ */
+
+struct friio_priv {
+ struct i2c_adapter *demod_sub_i2c;
+ struct i2c_client *i2c_client_demod;
+ struct i2c_client *i2c_client_tuner;
+ struct i2c_adapter tuner_adap;
+};
+
+struct friio_config {
+ struct i2c_board_info demod_info;
+ struct tc90522_config demod_cfg;
+
+ struct i2c_board_info tuner_info;
+ struct dvb_pll_config tuner_cfg;
+};
+
+static const struct friio_config friio_config = {
+ .demod_info = { I2C_BOARD_INFO(TC90522_I2C_DEV_TER, 0x18), },
+ .tuner_info = { I2C_BOARD_INFO("tua6034_friio", 0x60), },
+};
+
+/* For another type of I2C:
+ * message sent by a USB control-read/write transaction with data stage.
+ * Used in init/config of Friio.
+ */
+static int
+gl861_i2c_write_ex(struct dvb_usb_device *d, u8 addr, u8 *wbuf, u16 wlen)
+{
+ u8 *buf;
+ int ret;
+
+ buf = kmalloc(wlen, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ memcpy(buf, wbuf, wlen);
+ ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0),
+ GL861_REQ_I2C_RAW, GL861_WRITE,
+ addr << (8 + 1), 0x0100, buf, wlen, 2000);
+ kfree(buf);
+ return ret;
+}
+
+static int
+gl861_i2c_read_ex(struct dvb_usb_device *d, u8 addr, u8 *rbuf, u16 rlen)
+{
+ u8 *buf;
+ int ret;
+
+ buf = kmalloc(rlen, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
+ GL861_REQ_I2C_READ, GL861_READ,
+ addr << (8 + 1), 0x0100, buf, rlen, 2000);
+ if (ret > 0 && rlen > 0)
+ memcpy(buf, rbuf, rlen);
+ kfree(buf);
+ return ret;
+}
+
+/* For I2C transactions to the tuner of Friio (dvb_pll).
+ *
+ * Friio uses irregular USB encapsulation for tuner i2c transactions:
+ * write transacions are encapsulated with a different USB 'request' value.
+ *
+ * Although all transactions are sent via the demod(tc90522)
+ * and the demod provides an i2c adapter for them, it cannot be used in Friio
+ * since it assumes using the same parent adapter with the demod,
+ * which does not use the request value and uses same one for both read/write.
+ * So we define a dedicated i2c adapter here.
+ */
+
+static int
+friio_i2c_tuner_read(struct dvb_usb_device *d, struct i2c_msg *msg)
+{
+ struct friio_priv *priv;
+ u8 addr;
+
+ priv = d_to_priv(d);
+ addr = priv->i2c_client_demod->addr;
+ return gl861_i2c_read_ex(d, addr, msg->buf, msg->len);
+}
+
+static int
+friio_i2c_tuner_write(struct dvb_usb_device *d, struct i2c_msg *msg)
+{
+ u8 *buf;
+ int ret;
+ struct friio_priv *priv;
+
+ priv = d_to_priv(d);
+
+ if (msg->len < 1)
+ return -EINVAL;
+
+ buf = kmalloc(msg->len + 1, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ buf[0] = msg->addr << 1;
+ memcpy(buf + 1, msg->buf, msg->len);
+
+ ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0),
+ GL861_REQ_I2C_RAW, GL861_WRITE,
+ priv->i2c_client_demod->addr << (8 + 1),
+ 0xFE, buf, msg->len + 1, 2000);
+ kfree(buf);
+ return ret;
+}
+
+static int friio_tuner_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++) {
+ int ret;
+
+ if (msg[i].flags & I2C_M_RD)
+ ret = friio_i2c_tuner_read(d, &msg[i]);
+ else
+ ret = friio_i2c_tuner_write(d, &msg[i]);
+
+ if (ret < 0)
+ break;
+
+ usleep_range(1000, 2000); /* avoid I2C errors */
+ }
+
+ mutex_unlock(&d->i2c_mutex);
+ return i;
+}
+
+static struct i2c_algorithm friio_tuner_i2c_algo = {
+ .master_xfer = friio_tuner_i2c_xfer,
+ .functionality = gl861_i2c_func,
+};
+
+/* GPIO control in Friio */
+
+#define FRIIO_CTL_LNB (1 << 0)
+#define FRIIO_CTL_STROBE (1 << 1)
+#define FRIIO_CTL_CLK (1 << 2)
+#define FRIIO_CTL_LED (1 << 3)
+
+#define FRIIO_LED_RUNNING 0x6400ff64
+#define FRIIO_LED_STOPPED 0x96ff00ff
+
+/* control PIC16F676 attached to Friio */
+static int friio_ext_ctl(struct dvb_usb_device *d,
+ u32 sat_color, int power_on)
+{
+ int i, ret;
+ struct i2c_msg msg;
+ u8 *buf;
+ u32 mask;
+ u8 power = (power_on) ? FRIIO_CTL_LNB : 0;
+
+ buf = kmalloc(2, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ msg.addr = 0x00;
+ msg.flags = 0;
+ msg.len = 2;
+ msg.buf = buf;
+ buf[0] = 0x00;
+
+ /* send 2bit header (&B10) */
+ buf[1] = power | FRIIO_CTL_LED | FRIIO_CTL_STROBE;
+ ret = i2c_transfer(&d->i2c_adap, &msg, 1);
+ buf[1] |= FRIIO_CTL_CLK;
+ ret += i2c_transfer(&d->i2c_adap, &msg, 1);
+
+ buf[1] = power | FRIIO_CTL_STROBE;
+ ret += i2c_transfer(&d->i2c_adap, &msg, 1);
+ buf[1] |= FRIIO_CTL_CLK;
+ ret += i2c_transfer(&d->i2c_adap, &msg, 1);
+
+ /* send 32bit(satur, R, G, B) data in serial */
+ mask = 1 << 31;
+ for (i = 0; i < 32; i++) {
+ buf[1] = power | FRIIO_CTL_STROBE;
+ if (sat_color & mask)
+ buf[1] |= FRIIO_CTL_LED;
+ ret += i2c_transfer(&d->i2c_adap, &msg, 1);
+ buf[1] |= FRIIO_CTL_CLK;
+ ret += i2c_transfer(&d->i2c_adap, &msg, 1);
+ mask >>= 1;
+ }
+
+ /* set the strobe off */
+ buf[1] = power;
+ ret += i2c_transfer(&d->i2c_adap, &msg, 1);
+ buf[1] |= FRIIO_CTL_CLK;
+ ret += i2c_transfer(&d->i2c_adap, &msg, 1);
+
+ kfree(buf);
+ return (ret == 70) ? 0 : -EREMOTEIO;
+}
+
+/* init/config of gl861 for Friio */
+/* NOTE:
+ * This function cannot be moved to friio_init()/dvb_usbv2_init(),
+ * because the init defined here must be done before any activities like I2C,
+ * but friio_init() is called by dvb-usbv2 after {_frontend, _tuner}_attach(),
+ * where I2C communication is used.
+ * Thus this function is set to be called from _power_ctl().
+ *
+ * Since it will be called on the early init stage
+ * where the i2c adapter is not initialized yet,
+ * we cannot use i2c_transfer() here.
+ */
+static int friio_reset(struct dvb_usb_device *d)
+{
+ int i, ret;
+ u8 wbuf[2], rbuf[2];
+
+ static const u8 friio_init_cmds[][2] = {
+ {0x33, 0x08}, {0x37, 0x40}, {0x3a, 0x1f}, {0x3b, 0xff},
+ {0x3c, 0x1f}, {0x3d, 0xff}, {0x38, 0x00}, {0x35, 0x00},
+ {0x39, 0x00}, {0x36, 0x00},
+ };
+
+ ret = usb_set_interface(d->udev, 0, 0);
+ if (ret < 0)
+ return ret;
+
+ wbuf[0] = 0x11;
+ wbuf[1] = 0x02;
+ ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
+ if (ret < 0)
+ return ret;
+ usleep_range(2000, 3000);
+
+ wbuf[0] = 0x11;
+ wbuf[1] = 0x00;
+ ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Check if the dev is really a Friio White, since it might be
+ * another device, Friio Black, with the same VID/PID.
+ */
+
+ usleep_range(1000, 2000);
+ wbuf[0] = 0x03;
+ wbuf[1] = 0x80;
+ ret = gl861_i2c_write_ex(d, 0x09, wbuf, 2);
+ if (ret < 0)
+ return ret;
+
+ usleep_range(2000, 3000);
+ ret = gl861_i2c_read_ex(d, 0x09, rbuf, 2);
+ if (ret < 0)
+ return ret;
+ if (rbuf[0] != 0xff || rbuf[1] != 0xff)
+ return -ENODEV;
+
+
+ usleep_range(1000, 2000);
+ ret = gl861_i2c_write_ex(d, 0x48, wbuf, 2);
+ if (ret < 0)
+ return ret;
+
+ usleep_range(2000, 3000);
+ ret = gl861_i2c_read_ex(d, 0x48, rbuf, 2);
+ if (ret < 0)
+ return ret;
+ if (rbuf[0] != 0xff || rbuf[1] != 0xff)
+ return -ENODEV;
+
+ wbuf[0] = 0x30;
+ wbuf[1] = 0x04;
+ ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
+ if (ret < 0)
+ return ret;
+
+ wbuf[0] = 0x00;
+ wbuf[1] = 0x01;
+ ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
+ if (ret < 0)
+ return ret;
+
+ wbuf[0] = 0x06;
+ wbuf[1] = 0x0f;
+ ret = gl861_i2c_msg(d, 0x00, wbuf, 2, NULL, 0);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(friio_init_cmds); i++) {
+ ret = gl861_i2c_msg(d, 0x00, (u8 *)friio_init_cmds[i], 2,
+ NULL, 0);
+ if (ret < 0)
+ return ret;
+ }
+ return 0;
+}
+
+/*
+ * DVB callbacks for Friio
+ */
+
+static int friio_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+ return onoff ? friio_reset(d) : 0;
+}
+
+static int friio_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ const struct i2c_board_info *info;
+ struct dvb_usb_device *d;
+ struct tc90522_config cfg;
+ struct i2c_client *cl;
+ struct friio_priv *priv;
+
+ info = &friio_config.demod_info;
+ d = adap_to_d(adap);
+ cl = dvb_module_probe("tc90522", info->type,
+ &d->i2c_adap, info->addr, &cfg);
+ if (!cl)
+ return -ENODEV;
+ adap->fe[0] = cfg.fe;
+
+ /* ignore cfg.tuner_i2c and create new one */
+ priv = adap_to_priv(adap);
+ priv->i2c_client_demod = cl;
+ priv->tuner_adap.algo = &friio_tuner_i2c_algo;
+ priv->tuner_adap.dev.parent = &d->udev->dev;
+ strlcpy(priv->tuner_adap.name, d->name, sizeof(priv->tuner_adap.name));
+ strlcat(priv->tuner_adap.name, "-tuner", sizeof(priv->tuner_adap.name));
+ priv->demod_sub_i2c = &priv->tuner_adap;
+ i2c_set_adapdata(&priv->tuner_adap, d);
+
+ return i2c_add_adapter(&priv->tuner_adap);
+}
+
+static int friio_frontend_detach(struct dvb_usb_adapter *adap)
+{
+ struct friio_priv *priv;
+
+ priv = adap_to_priv(adap);
+ i2c_del_adapter(&priv->tuner_adap);
+ dvb_module_release(priv->i2c_client_demod);
+ return 0;
+}
+
+static int friio_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ const struct i2c_board_info *info;
+ struct dvb_pll_config cfg;
+ struct i2c_client *cl;
+ struct friio_priv *priv;
+
+ priv = adap_to_priv(adap);
+ info = &friio_config.tuner_info;
+ cfg = friio_config.tuner_cfg;
+ cfg.fe = adap->fe[0];
+
+ cl = dvb_module_probe("dvb_pll", info->type,
+ priv->demod_sub_i2c, info->addr, &cfg);
+ if (!cl)
+ return -ENODEV;
+ priv->i2c_client_tuner = cl;
+ return 0;
+}
+
+static int friio_tuner_detach(struct dvb_usb_adapter *adap)
+{
+ struct friio_priv *priv;
+
+ priv = adap_to_priv(adap);
+ dvb_module_release(priv->i2c_client_tuner);
+ return 0;
+}
+
+static int friio_init(struct dvb_usb_device *d)
+{
+ int i;
+ int ret;
+ struct friio_priv *priv;
+
+ static const u8 demod_init[][2] = {
+ {0x01, 0x40}, {0x04, 0x38}, {0x05, 0x40}, {0x07, 0x40},
+ {0x0f, 0x4f}, {0x11, 0x21}, {0x12, 0x0b}, {0x13, 0x2f},
+ {0x14, 0x31}, {0x16, 0x02}, {0x21, 0xc4}, {0x22, 0x20},
+ {0x2c, 0x79}, {0x2d, 0x34}, {0x2f, 0x00}, {0x30, 0x28},
+ {0x31, 0x31}, {0x32, 0xdf}, {0x38, 0x01}, {0x39, 0x78},
+ {0x3b, 0x33}, {0x3c, 0x33}, {0x48, 0x90}, {0x51, 0x68},
+ {0x5e, 0x38}, {0x71, 0x00}, {0x72, 0x08}, {0x77, 0x00},
+ {0xc0, 0x21}, {0xc1, 0x10}, {0xe4, 0x1a}, {0xea, 0x1f},
+ {0x77, 0x00}, {0x71, 0x00}, {0x71, 0x00}, {0x76, 0x0c},
+ };
+
+ /* power on LNA? */
+ ret = friio_ext_ctl(d, FRIIO_LED_STOPPED, true);
+ if (ret < 0)
+ return ret;
+ msleep(20);
+
+ /* init/config demod */
+ priv = d_to_priv(d);
+ for (i = 0; i < ARRAY_SIZE(demod_init); i++) {
+ int ret;
+
+ ret = i2c_master_send(priv->i2c_client_demod, demod_init[i], 2);
+ if (ret < 0)
+ return ret;
+ }
+ msleep(100);
+ return 0;
+}
+
+static void friio_exit(struct dvb_usb_device *d)
+{
+ friio_ext_ctl(d, FRIIO_LED_STOPPED, false);
+}
+
+static int friio_streaming_ctrl(struct dvb_frontend *fe, int onoff)
+{
+ u32 led_color;
+
+ led_color = onoff ? FRIIO_LED_RUNNING : FRIIO_LED_STOPPED;
+ return friio_ext_ctl(fe_to_d(fe), led_color, true);
+}
+
+
+static struct dvb_usb_device_properties friio_props = {
+ .driver_name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .adapter_nr = adapter_nr,
+
+ .size_of_priv = sizeof(struct friio_priv),
+
+ .i2c_algo = &gl861_i2c_algo,
+ .power_ctrl = friio_power_ctrl,
+ .frontend_attach = friio_frontend_attach,
+ .frontend_detach = friio_frontend_detach,
+ .tuner_attach = friio_tuner_attach,
+ .tuner_detach = friio_tuner_detach,
+ .init = friio_init,
+ .exit = friio_exit,
+ .streaming_ctrl = friio_streaming_ctrl,
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .stream = DVB_USB_STREAM_BULK(0x01, 8, 16384),
+ }
+ }
+};
+
static const struct usb_device_id gl861_id_table[] = {
{ DVB_USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580_55801,
&gl861_props, "MSI Mega Sky 55801 DVB-T USB2.0", NULL) },
{ DVB_USB_DEVICE(USB_VID_ALINK, USB_VID_ALINK_DTU,
&gl861_props, "A-LINK DTU DVB-T USB2.0", NULL) },
+ { DVB_USB_DEVICE(USB_VID_774, USB_PID_FRIIO_WHITE,
+ &friio_props, "774 Friio White ISDB-T USB2.0", NULL) },
{ }
};
MODULE_DEVICE_TABLE(usb, gl861_id_table);
projects / openwrt / staging / blogic.git / commitdiff