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path: root/drivers/media/usb/dvb-usb-v2/gl861.c
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Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/gl861.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/gl861.c578
1 files changed, 578 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/gl861.c b/drivers/media/usb/dvb-usb-v2/gl861.c
new file mode 100644
index 0000000000..c71e7b9347
--- /dev/null
+++ b/drivers/media/usb/dvb-usb-v2/gl861.c
@@ -0,0 +1,578 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* DVB USB compliant linux driver for GL861 USB2.0 devices.
+ *
+ * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
+ */
+#include <linux/string.h>
+
+#include "dvb_usb.h"
+
+#include "zl10353.h"
+#include "qt1010.h"
+#include "tc90522.h"
+#include "dvb-pll.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+struct gl861 {
+ /* USB control message buffer */
+ u8 buf[16];
+
+ struct i2c_adapter *demod_sub_i2c;
+ struct i2c_client *i2c_client_demod;
+ struct i2c_client *i2c_client_tuner;
+};
+
+#define CMD_WRITE_SHORT 0x01
+#define CMD_READ 0x02
+#define CMD_WRITE 0x03
+
+static int gl861_ctrl_msg(struct dvb_usb_device *d, u8 request, u16 value,
+ u16 index, void *data, u16 size)
+{
+ struct gl861 *ctx = d_to_priv(d);
+ struct usb_interface *intf = d->intf;
+ int ret;
+ unsigned int pipe;
+ u8 requesttype;
+
+ mutex_lock(&d->usb_mutex);
+
+ switch (request) {
+ case CMD_WRITE:
+ memcpy(ctx->buf, data, size);
+ fallthrough;
+ case CMD_WRITE_SHORT:
+ pipe = usb_sndctrlpipe(d->udev, 0);
+ requesttype = USB_TYPE_VENDOR | USB_DIR_OUT;
+ break;
+ case CMD_READ:
+ pipe = usb_rcvctrlpipe(d->udev, 0);
+ requesttype = USB_TYPE_VENDOR | USB_DIR_IN;
+ break;
+ default:
+ ret = -EINVAL;
+ goto err_mutex_unlock;
+ }
+
+ ret = usb_control_msg(d->udev, pipe, request, requesttype, value,
+ index, ctx->buf, size, 200);
+ dev_dbg(&intf->dev, "%d | %02x %02x %*ph %*ph %*ph %s %*ph\n",
+ ret, requesttype, request, 2, &value, 2, &index, 2, &size,
+ (requesttype & USB_DIR_IN) ? "<<<" : ">>>", size, ctx->buf);
+ if (ret < 0)
+ goto err_mutex_unlock;
+
+ if (request == CMD_READ)
+ memcpy(data, ctx->buf, size);
+
+ usleep_range(1000, 2000); /* Avoid I2C errors */
+
+ mutex_unlock(&d->usb_mutex);
+
+ return 0;
+
+err_mutex_unlock:
+ mutex_unlock(&d->usb_mutex);
+ dev_dbg(&intf->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static int gl861_short_write(struct dvb_usb_device *d, u8 addr, u8 reg, u8 val)
+{
+ return gl861_ctrl_msg(d, CMD_WRITE_SHORT,
+ (addr << 9) | val, reg, NULL, 0);
+}
+
+static int gl861_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+ int num)
+{
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ struct usb_interface *intf = d->intf;
+ struct gl861 *ctx = d_to_priv(d);
+ int ret;
+ u8 request, *data;
+ u16 value, index, size;
+
+ /* XXX: I2C adapter maximum data lengths are not tested */
+ if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
+ /* I2C write */
+ if (msg[0].len < 2 || msg[0].len > sizeof(ctx->buf)) {
+ ret = -EOPNOTSUPP;
+ goto err;
+ }
+
+ value = (msg[0].addr << 1) << 8;
+ index = msg[0].buf[0];
+
+ if (msg[0].len == 2) {
+ request = CMD_WRITE_SHORT;
+ value |= msg[0].buf[1];
+ size = 0;
+ data = NULL;
+ } else {
+ request = CMD_WRITE;
+ size = msg[0].len - 1;
+ data = &msg[0].buf[1];
+ }
+
+ ret = gl861_ctrl_msg(d, request, value, index, data, size);
+ } else if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
+ (msg[1].flags & I2C_M_RD)) {
+ /* I2C write + read */
+ if (msg[0].len != 1 || msg[1].len > sizeof(ctx->buf)) {
+ ret = -EOPNOTSUPP;
+ goto err;
+ }
+
+ value = (msg[0].addr << 1) << 8;
+ index = msg[0].buf[0];
+ request = CMD_READ;
+
+ ret = gl861_ctrl_msg(d, request, value, index,
+ msg[1].buf, msg[1].len);
+ } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
+ /* I2C read */
+ if (msg[0].len > sizeof(ctx->buf)) {
+ ret = -EOPNOTSUPP;
+ goto err;
+ }
+ value = (msg[0].addr << 1) << 8;
+ index = 0x0100;
+ request = CMD_READ;
+
+ ret = gl861_ctrl_msg(d, request, value, index,
+ msg[0].buf, msg[0].len);
+ } else {
+ /* Unsupported I2C message */
+ dev_dbg(&intf->dev, "unknown i2c msg, num %u\n", num);
+ ret = -EOPNOTSUPP;
+ }
+ if (ret)
+ goto err;
+
+ return num;
+err:
+ dev_dbg(&intf->dev, "failed %d\n", ret);
+ return ret;
+}
+
+static u32 gl861_i2c_functionality(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm gl861_i2c_algo = {
+ .master_xfer = gl861_i2c_master_xfer,
+ .functionality = gl861_i2c_functionality,
+};
+
+/* Callbacks for DVB USB */
+static struct zl10353_config gl861_zl10353_config = {
+ .demod_address = 0x0f,
+ .no_tuner = 1,
+ .parallel_ts = 1,
+};
+
+static int gl861_frontend_attach(struct dvb_usb_adapter *adap)
+{
+
+ adap->fe[0] = dvb_attach(zl10353_attach, &gl861_zl10353_config,
+ &adap_to_d(adap)->i2c_adap);
+ if (adap->fe[0] == NULL)
+ return -EIO;
+
+ return 0;
+}
+
+static struct qt1010_config gl861_qt1010_config = {
+ .i2c_address = 0x62
+};
+
+static int gl861_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ return dvb_attach(qt1010_attach,
+ adap->fe[0], &adap_to_d(adap)->i2c_adap,
+ &gl861_qt1010_config) == NULL ? -ENODEV : 0;
+}
+
+static int gl861_init(struct dvb_usb_device *d)
+{
+ /*
+ * There is 2 interfaces. Interface 0 is for TV and interface 1 is
+ * for HID remote controller. Interface 0 has 2 alternate settings.
+ * For some reason we need to set interface explicitly, defaulted
+ * as alternate setting 1?
+ */
+ return usb_set_interface(d->udev, 0, 0);
+}
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_device_properties gl861_props = {
+ .driver_name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .adapter_nr = adapter_nr,
+
+ .size_of_priv = sizeof(struct gl861),
+
+ .i2c_algo = &gl861_i2c_algo,
+ .frontend_attach = gl861_frontend_attach,
+ .tuner_attach = gl861_tuner_attach,
+ .init = gl861_init,
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .stream = DVB_USB_STREAM_BULK(0x81, 7, 512),
+ }
+ }
+};
+
+
+/*
+ * For Friio
+ */
+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), },
+ .demod_cfg = { .split_tuner_read_i2c = true, },
+ .tuner_info = { I2C_BOARD_INFO("tua6034_friio", 0x60), },
+};
+
+
+/* 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 = 1UL << 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 includes a whole device reset,
+ * it must be run early before any activities like I2C,
+ * but friio_init() is called by dvb-usbv2 after {_frontend, _tuner}_attach(),
+ * where I2C communication is used.
+ * In addition, this reset is required in reset_resume() as well.
+ * 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[1], 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;
+
+ ret = gl861_short_write(d, 0x00, 0x11, 0x02);
+ if (ret < 0)
+ return ret;
+ usleep_range(2000, 3000);
+
+ ret = gl861_short_write(d, 0x00, 0x11, 0x00);
+ 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] = 0x80;
+ ret = gl861_ctrl_msg(d, CMD_WRITE, 0x09 << 9, 0x03, wbuf, 1);
+ if (ret < 0)
+ return ret;
+
+ usleep_range(2000, 3000);
+ ret = gl861_ctrl_msg(d, CMD_READ, 0x09 << 9, 0x0100, rbuf, 2);
+ if (ret < 0)
+ return ret;
+ if (rbuf[0] != 0xff || rbuf[1] != 0xff)
+ return -ENODEV;
+
+
+ usleep_range(1000, 2000);
+ wbuf[0] = 0x80;
+ ret = gl861_ctrl_msg(d, CMD_WRITE, 0x48 << 9, 0x03, wbuf, 1);
+ if (ret < 0)
+ return ret;
+
+ usleep_range(2000, 3000);
+ ret = gl861_ctrl_msg(d, CMD_READ, 0x48 << 9, 0x0100, rbuf, 2);
+ if (ret < 0)
+ return ret;
+ if (rbuf[0] != 0xff || rbuf[1] != 0xff)
+ return -ENODEV;
+
+ ret = gl861_short_write(d, 0x00, 0x30, 0x04);
+ if (ret < 0)
+ return ret;
+
+ ret = gl861_short_write(d, 0x00, 0x00, 0x01);
+ if (ret < 0)
+ return ret;
+
+ ret = gl861_short_write(d, 0x00, 0x06, 0x0f);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < ARRAY_SIZE(friio_init_cmds); i++) {
+ ret = gl861_short_write(d, 0x00, friio_init_cmds[i][0],
+ friio_init_cmds[i][1]);
+ 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 gl861 *priv;
+
+ info = &friio_config.demod_info;
+ cfg = friio_config.demod_cfg;
+ 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;
+
+ priv = adap_to_priv(adap);
+ priv->i2c_client_demod = cl;
+ priv->demod_sub_i2c = cfg.tuner_i2c;
+ return 0;
+}
+
+static int friio_frontend_detach(struct dvb_usb_adapter *adap)
+{
+ struct gl861 *priv;
+
+ priv = adap_to_priv(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 gl861 *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 gl861 *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 gl861 *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 gl861),
+
+ .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_PID_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);
+
+static struct usb_driver gl861_usb_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = gl861_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(gl861_usb_driver);
+
+MODULE_AUTHOR("Carl Lundqvist <comabug@gmail.com>");
+MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / GL861");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-11 14:04:10 +0000