diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /drivers/media/usb/dvb-usb-v2/gl861.c | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/gl861.c')
-rw-r--r-- | drivers/media/usb/dvb-usb-v2/gl861.c | 578 |
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 000000000..c71e7b934 --- /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"); |