diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/m920x.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/m920x.c | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c new file mode 100644 index 000000000000..45d7bc214c18 --- /dev/null +++ b/drivers/media/dvb/dvb-usb/m920x.c @@ -0,0 +1,620 @@ +/* DVB USB compliant linux driver for MSI Mega Sky 580 DVB-T USB2.0 receiver + * + * Copyright (C) 2006 Aapo Tahkola (aet@rasterburn.org) + * + * 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 "m920x.h" + +#include "mt352.h" +#include "mt352_priv.h" +#include "qt1010.h" +#include "tda1004x.h" +#include "tda827x.h" + +/* debug */ +static int dvb_usb_m920x_debug; +module_param_named(debug,dvb_usb_m920x_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS); + +static struct dvb_usb_rc_key megasky_rc_keys [] = { + { 0x0, 0x12, KEY_POWER }, + { 0x0, 0x1e, KEY_CYCLEWINDOWS }, /* min/max */ + { 0x0, 0x02, KEY_CHANNELUP }, + { 0x0, 0x05, KEY_CHANNELDOWN }, + { 0x0, 0x03, KEY_VOLUMEUP }, + { 0x0, 0x06, KEY_VOLUMEDOWN }, + { 0x0, 0x04, KEY_MUTE }, + { 0x0, 0x07, KEY_OK }, /* TS */ + { 0x0, 0x08, KEY_STOP }, + { 0x0, 0x09, KEY_MENU }, /* swap */ + { 0x0, 0x0a, KEY_REWIND }, + { 0x0, 0x1b, KEY_PAUSE }, + { 0x0, 0x1f, KEY_FASTFORWARD }, + { 0x0, 0x0c, KEY_RECORD }, + { 0x0, 0x0d, KEY_CAMERA }, /* screenshot */ + { 0x0, 0x0e, KEY_COFFEE }, /* "MTS" */ +}; + +static inline int m9206_read(struct usb_device *udev, u8 request, u16 value,\ + u16 index, void *data, int size) +{ + int ret; + + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + request, USB_TYPE_VENDOR | USB_DIR_IN, + value, index, data, size, 2000); + if (ret < 0) { + printk(KERN_INFO "m920x_read = error: %d\n", ret); + return ret; + } + + if (ret != size) { + deb_rc("m920x_read = no data\n"); + return -EIO; + } + + return 0; +} + +static inline int m9206_write(struct usb_device *udev, u8 request, + u16 value, u16 index) +{ + int ret; + + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + request, USB_TYPE_VENDOR | USB_DIR_OUT, + value, index, NULL, 0, 2000); + + return ret; +} + +static int m9206_init(struct dvb_usb_device *d) +{ + int ret = 0; + + /* Remote controller init. */ + if (d->props.rc_query) { + if ((ret = m9206_write(d->udev, M9206_CORE, 0xa8, M9206_RC_INIT2)) != 0) + return ret; + + if ((ret = m9206_write(d->udev, M9206_CORE, 0x51, M9206_RC_INIT1)) != 0) + return ret; + } + + return ret; +} + +static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state) +{ + struct m9206_state *m = d->priv; + int i, ret = 0; + u8 rc_state[2]; + + if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, rc_state, 1)) != 0) + goto unlock; + + if ((ret = m9206_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, rc_state + 1, 1)) != 0) + goto unlock; + + for (i = 0; i < d->props.rc_key_map_size; i++) + if (d->props.rc_key_map[i].data == rc_state[1]) { + *event = d->props.rc_key_map[i].event; + + switch(rc_state[0]) { + case 0x80: + *state = REMOTE_NO_KEY_PRESSED; + goto unlock; + + case 0x93: + case 0x92: + m->rep_count = 0; + *state = REMOTE_KEY_PRESSED; + goto unlock; + + case 0x91: + /* For comfort. */ + if (++m->rep_count > 2) + *state = REMOTE_KEY_REPEAT; + goto unlock; + + default: + deb_rc("Unexpected rc response %x\n", rc_state[0]); + *state = REMOTE_NO_KEY_PRESSED; + goto unlock; + } + } + + if (rc_state[1] != 0) + deb_rc("Unknown rc key %x\n", rc_state[1]); + + *state = REMOTE_NO_KEY_PRESSED; + + unlock: + + return ret; +} + +/* I2C */ +static int m9206_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], + int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + int i, j; + int ret = 0; + + if (!num) + return -EINVAL; + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + for (i = 0; i < num; i++) { + if (msg[i].flags & (I2C_M_NO_RD_ACK|I2C_M_IGNORE_NAK|I2C_M_TEN) || + msg[i].len == 0) { + /* For a 0 byte message, I think sending the address to index 0x80|0x40 + * would be the correct thing to do. However, zero byte messages are + * only used for probing, and since we don't know how to get the slave's + * ack, we can't probe. */ + ret = -ENOTSUPP; + goto unlock; + } + /* Send START & address/RW bit */ + if (!(msg[i].flags & I2C_M_NOSTART)) { + if ((ret = m9206_write(d->udev, M9206_I2C, (msg[i].addr<<1)|(msg[i].flags&I2C_M_RD?0x01:0), 0x80)) != 0) + goto unlock; + /* Should check for ack here, if we knew how. */ + } + if (msg[i].flags & I2C_M_RD) { + for (j = 0; j < msg[i].len; j++) { + /* Last byte of transaction? Send STOP, otherwise send ACK. */ + int stop = (i+1 == num && j+1 == msg[i].len)?0x40:0x01; + if ((ret = m9206_read(d->udev, M9206_I2C, 0x0, 0x20|stop, &msg[i].buf[j], 1)) != 0) + goto unlock; + } + } else { + for (j = 0; j < msg[i].len; j++) { + /* Last byte of transaction? Then send STOP. */ + int stop = (i+1 == num && j+1 == msg[i].len)?0x40:0x00; + if ((ret = m9206_write(d->udev, M9206_I2C, msg[i].buf[j], stop)) != 0) + goto unlock; + /* Should check for ack here too. */ + } + } + } + ret = num; + +unlock: + mutex_unlock(&d->i2c_mutex); + + return ret; +} + +static u32 m9206_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm m9206_i2c_algo = { + .master_xfer = m9206_i2c_xfer, + .functionality = m9206_i2c_func, +}; + + +static int m9206_set_filter(struct dvb_usb_adapter *adap, int type, int idx, + int pid) +{ + int ret = 0; + + if (pid >= 0x8000) + return -EINVAL; + + pid |= 0x8000; + + if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, pid, (type << 8) | (idx * 4) )) != 0) + return ret; + + if ((ret = m9206_write(adap->dev->udev, M9206_FILTER, 0, (type << 8) | (idx * 4) )) != 0) + return ret; + + return ret; +} + +static int m9206_update_filters(struct dvb_usb_adapter *adap) +{ + struct m9206_state *m = adap->dev->priv; + int enabled = m->filtering_enabled; + int i, ret = 0, filter = 0; + + for (i = 0; i < M9206_MAX_FILTERS; i++) + if (m->filters[i] == 8192) + enabled = 0; + + /* Disable all filters */ + if ((ret = m9206_set_filter(adap, 0x81, 1, enabled)) != 0) + return ret; + + for (i = 0; i < M9206_MAX_FILTERS; i++) + if ((ret = m9206_set_filter(adap, 0x81, i + 2, 0)) != 0) + return ret; + + if ((ret = m9206_set_filter(adap, 0x82, 0, 0x0)) != 0) + return ret; + + /* Set */ + if (enabled) { + for (i = 0; i < M9206_MAX_FILTERS; i++) { + if (m->filters[i] == 0) + continue; + + if ((ret = m9206_set_filter(adap, 0x81, filter + 2, m->filters[i])) != 0) + return ret; + + filter++; + } + } + + if ((ret = m9206_set_filter(adap, 0x82, 0, 0x02f5)) != 0) + return ret; + + return ret; +} + +static int m9206_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff) +{ + struct m9206_state *m = adap->dev->priv; + + m->filtering_enabled = onoff ? 1 : 0; + + return m9206_update_filters(adap); +} + +static int m9206_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, + int onoff) +{ + struct m9206_state *m = adap->dev->priv; + + m->filters[index] = onoff ? pid : 0; + + return m9206_update_filters(adap); +} + +static int m9206_firmware_download(struct usb_device *udev, + const struct firmware *fw) +{ + u16 value, index, size; + u8 read[4], *buff; + int i, pass, ret = 0; + + buff = kmalloc(65536, GFP_KERNEL); + + if ((ret = m9206_read(udev, M9206_FILTER, 0x0, 0x8000, read, 4)) != 0) + goto done; + deb_rc("%x %x %x %x\n", read[0], read[1], read[2], read[3]); + + if ((ret = m9206_read(udev, M9206_FW, 0x0, 0x0, read, 1)) != 0) + goto done; + deb_rc("%x\n", read[0]); + + for (pass = 0; pass < 2; pass++) { + for (i = 0; i + (sizeof(u16) * 3) < fw->size;) { + value = le16_to_cpu(*(u16 *)(fw->data + i)); + i += sizeof(u16); + + index = le16_to_cpu(*(u16 *)(fw->data + i)); + i += sizeof(u16); + + size = le16_to_cpu(*(u16 *)(fw->data + i)); + i += sizeof(u16); + + if (pass == 1) { + /* Will stall if using fw->data ... */ + memcpy(buff, fw->data + i, size); + + ret = usb_control_msg(udev, usb_sndctrlpipe(udev,0), + M9206_FW, + USB_TYPE_VENDOR | USB_DIR_OUT, + value, index, buff, size, 20); + if (ret != size) { + deb_rc("error while uploading fw!\n"); + ret = -EIO; + goto done; + } + msleep(3); + } + i += size; + } + if (i != fw->size) { + deb_rc("bad firmware file!\n"); + ret = -EINVAL; + goto done; + } + } + + msleep(36); + + /* m9206 will disconnect itself from the bus after this. */ + (void) m9206_write(udev, M9206_CORE, 0x01, M9206_FW_GO); + deb_rc("firmware uploaded!\n"); + + done: + kfree(buff); + + return ret; +} + +/* Callbacks for DVB USB */ +static int m920x_identify_state(struct usb_device *udev, + struct dvb_usb_device_properties *props, + struct dvb_usb_device_description **desc, + int *cold) +{ + struct usb_host_interface *alt; + + alt = usb_altnum_to_altsetting(usb_ifnum_to_if(udev, 0), 1); + *cold = (alt == NULL) ? 1 : 0; + + return 0; +} + +static int megasky_mt352_demod_init(struct dvb_frontend *fe) +{ + u8 config[] = { CONFIG, 0x3d }; + u8 clock[] = { CLOCK_CTL, 0x30 }; + u8 reset[] = { RESET, 0x80 }; + u8 adc_ctl[] = { ADC_CTL_1, 0x40 }; + u8 agc[] = { AGC_TARGET, 0x1c, 0x20 }; + u8 sec_agc[] = { 0x69, 0x00, 0xff, 0xff, 0x40, 0xff, 0x00, 0x40, 0x40 }; + u8 unk1[] = { 0x93, 0x1a }; + u8 unk2[] = { 0xb5, 0x7a }; + + mt352_write(fe, config, ARRAY_SIZE(config)); + mt352_write(fe, clock, ARRAY_SIZE(clock)); + mt352_write(fe, reset, ARRAY_SIZE(reset)); + mt352_write(fe, adc_ctl, ARRAY_SIZE(adc_ctl)); + mt352_write(fe, agc, ARRAY_SIZE(agc)); + mt352_write(fe, sec_agc, ARRAY_SIZE(sec_agc)); + mt352_write(fe, unk1, ARRAY_SIZE(unk1)); + mt352_write(fe, unk2, ARRAY_SIZE(unk2)); + + deb_rc("Demod init!\n"); + + return 0; +} + +static struct mt352_config megasky_mt352_config = { + .demod_address = 0x0f, + .no_tuner = 1, + .demod_init = megasky_mt352_demod_init, +}; + +static int megasky_mt352_frontend_attach(struct dvb_usb_adapter *adap) +{ + deb_rc("megasky_frontend_attach!\n"); + + if ((adap->fe = dvb_attach(mt352_attach, &megasky_mt352_config, &adap->dev->i2c_adap)) == NULL) + return -EIO; + + return 0; +} + +static struct qt1010_config megasky_qt1010_config = { + .i2c_address = 0x62 +}; + +static int megasky_qt1010_tuner_attach(struct dvb_usb_adapter *adap) +{ + if (dvb_attach(qt1010_attach, adap->fe, &adap->dev->i2c_adap, + &megasky_qt1010_config) == NULL) + return -ENODEV; + + return 0; +} + +static struct tda1004x_config digivox_tda10046_config = { + .demod_address = 0x08, + .invert = 0, + .invert_oclk = 0, + .ts_mode = TDA10046_TS_SERIAL, + .xtal_freq = TDA10046_XTAL_16M, + .if_freq = TDA10046_FREQ_045, + .agc_config = TDA10046_AGC_TDA827X, + .gpio_config = TDA10046_GPTRI, + .request_firmware = NULL, +}; + +static int digivox_tda10046_frontend_attach(struct dvb_usb_adapter *adap) +{ + deb_rc("digivox_tda10046_frontend_attach!\n"); + + if ((adap->fe = dvb_attach(tda10046_attach, &digivox_tda10046_config, + &adap->dev->i2c_adap)) == NULL) + return -EIO; + + return 0; +} + +static int digivox_tda8275_tuner_attach(struct dvb_usb_adapter *adap) +{ + if (dvb_attach(tda827x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, + NULL) == NULL) + return -ENODEV; + return 0; +} + +/* DVB USB Driver stuff */ +static struct dvb_usb_device_properties megasky_properties; +static struct dvb_usb_device_properties digivox_mini_ii_properties; + +static int m920x_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct dvb_usb_device *d; + struct usb_host_interface *alt; + int ret; + + deb_rc("Probed!\n"); + + if (((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) || + ((ret = dvb_usb_device_init(intf, &digivox_mini_ii_properties, THIS_MODULE, &d)) == 0)) + goto found; + + return ret; + +found: + alt = usb_altnum_to_altsetting(intf, 1); + if (alt == NULL) { + deb_rc("No alt found!\n"); + return -ENODEV; + } + + ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber, + alt->desc.bAlternateSetting); + if (ret < 0) + return ret; + + if ((ret = m9206_init(d)) != 0) + return ret; + + return ret; +} + +static struct usb_device_id m920x_table [] = { + { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) }, + { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC, + USB_PID_MSI_DIGI_VOX_MINI_II) }, + { } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE (usb, m920x_table); + +static struct dvb_usb_device_properties megasky_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = DEVICE_SPECIFIC, + .firmware = "dvb-usb-megasky-02.fw", + .download_firmware = m9206_firmware_download, + + .rc_interval = 100, + .rc_key_map = megasky_rc_keys, + .rc_key_map_size = ARRAY_SIZE(megasky_rc_keys), + .rc_query = m9206_rc_query, + + .size_of_priv = sizeof(struct m9206_state), + + .identify_state = m920x_identify_state, + .num_adapters = 1, + .adapter = {{ + .caps = DVB_USB_ADAP_HAS_PID_FILTER | + DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, + + .pid_filter_count = 8, + .pid_filter = m9206_pid_filter, + .pid_filter_ctrl = m9206_pid_filter_ctrl, + + .frontend_attach = megasky_mt352_frontend_attach, + .tuner_attach = megasky_qt1010_tuner_attach, + + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x81, + .u = { + .bulk = { + .buffersize = 512, + } + } + }, + }}, + .i2c_algo = &m9206_i2c_algo, + + .num_device_descs = 1, + .devices = { + { "MSI Mega Sky 580 DVB-T USB2.0", + { &m920x_table[0], NULL }, + { NULL }, + } + } +}; + +static struct dvb_usb_device_properties digivox_mini_ii_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + + .usb_ctrl = DEVICE_SPECIFIC, + .firmware = "dvb-usb-digivox-02.fw", + .download_firmware = m9206_firmware_download, + + .size_of_priv = sizeof(struct m9206_state), + + .identify_state = m920x_identify_state, + .num_adapters = 1, + .adapter = {{ + .caps = DVB_USB_ADAP_HAS_PID_FILTER | + DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, + + .pid_filter_count = 8, + .pid_filter = m9206_pid_filter, + .pid_filter_ctrl = m9206_pid_filter_ctrl, + + .frontend_attach = digivox_tda10046_frontend_attach, + .tuner_attach = digivox_tda8275_tuner_attach, + + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x81, + .u = { + .bulk = { + .buffersize = 0x4000, + } + } + }, + }}, + .i2c_algo = &m9206_i2c_algo, + + .num_device_descs = 1, + .devices = { + { "MSI DIGI VOX mini II DVB-T USB2.0", + { &m920x_table[1], NULL }, + { NULL }, + }, + } +}; + +static struct usb_driver m920x_driver = { + .name = "dvb_usb_m920x", + .probe = m920x_probe, + .disconnect = dvb_usb_device_exit, + .id_table = m920x_table, +}; + +/* module stuff */ +static int __init m920x_module_init(void) +{ + int ret; + + if ((ret = usb_register(&m920x_driver))) { + err("usb_register failed. Error number %d", ret); + return ret; + } + + return 0; +} + +static void __exit m920x_module_exit(void) +{ + /* deregister this driver from the USB subsystem */ + usb_deregister(&m920x_driver); +} + +module_init (m920x_module_init); +module_exit (m920x_module_exit); + +MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>"); +MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / Uli m920x"); +MODULE_VERSION("0.1"); +MODULE_LICENSE("GPL"); |