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path: root/drivers/media/dvb/dvb-usb/m920x.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/m920x.c')
-rw-r--r--drivers/media/dvb/dvb-usb/m920x.c620
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 00000000000..45d7bc214c1
--- /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");