V4L/DVB (5125): Dvb-usb: rename megasky.[ch] to m920x.[ch]

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 693 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..c50f484c843b
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -0,0 +1,693 @@
+/* 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"
+
+/* debug */
+int dvb_usb_megasky_debug;
+module_param_named(debug,dvb_usb_megasky_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)
+                return ret;
+
+        if (ret != size)
+                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);
+        msleep(3);
+
+        return ret;
+}
+
+static int m9206_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+        int i, ret = 0;
+        u8 rc_state[2];
+
+        if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                return -EAGAIN;
+
+        if ((ret = m9206_read(d->udev, 0x22, 0x0, 0xff51, rc_state, 1)) != 0)
+                goto unlock;
+
+        if ((ret = m9206_read(d->udev, 0x22, 0x0, 0xff52, rc_state + 1, 1)) != 0)
+                goto unlock;
+
+        for (i = 0; i < ARRAY_SIZE(megasky_rc_keys); i++)
+                if (megasky_rc_keys[i].data == rc_state[1]) {
+                        *event = megasky_rc_keys[i].event;
+
+                        switch(rc_state[0]) {
+                        case 0x80:
+                                *state = REMOTE_NO_KEY_PRESSED;
+                                goto unlock;
+
+                        case 0x93:
+                        case 0x92:
+                                *state = REMOTE_KEY_PRESSED;
+                                goto unlock;
+
+                        case 0x91:
+                                *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:
+        mutex_unlock(&d->i2c_mutex);
+
+        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;
+        int ret = 0;
+
+        if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                return -EAGAIN;
+
+        if (num > 2)
+                return -EINVAL;
+
+        for (i = 0; i < num; i++) {
+                u8 w_len;
+
+                if ((ret = m9206_write(d->udev, 0x23, msg[i].addr, 0x80)) != 0)
+                        goto unlock;
+
+                if ((ret = m9206_write(d->udev, 0x23, msg[i].buf[0], 0x0)) != 0)
+                        goto unlock;
+
+                if (i + 1 < num && msg[i + 1].flags & I2C_M_RD) {
+                        if (msg[i].addr == 0x1e)
+                                w_len = 0x1f;
+                        else
+                                w_len = 0xc5;
+
+                        if ((ret = m9206_write(d->udev, 0x23, w_len, 0x80)) != 0)
+                                goto unlock;
+
+                        if ((ret = m9206_read(d->udev, 0x23, 0x0, 0x60, msg[i + 1].buf, msg[i + 1].len)) != 0)
+                                goto unlock;
+
+                        i++;
+                } else {
+                        if (msg[i].len != 2)
+                                return -EINVAL;
+
+                        if ((ret = m9206_write(d->udev, 0x23, msg[i].buf[1], 0x40)) != 0)
+                                goto unlock;
+                }
+        }
+        ret = i;
+        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,
+};
+
+/* Callbacks for DVB USB */
+static int megasky_identify_state (struct usb_device *udev,
+                                   struct dvb_usb_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)
+{
+        int i;
+        static u8 buf1[] = {
+        CONFIG, 0x3d,
+        CLOCK_CTL, 0x30,
+        RESET, 0x80,
+        ADC_CTL_1, 0x40,
+        AGC_TARGET, 0x1c,
+        AGC_CTL, 0x20,
+        0x69, 0x00,
+        0x6a, 0xff,
+        0x6b, 0xff,
+        0x6c, 0x40,
+        0x6d, 0xff,
+        0x6e, 0x00,
+        0x6f, 0x40,
+        0x70, 0x40,
+        0x93, 0x1a,
+        0xb5, 0x7a,
+        ACQ_CTL, 0x50,
+        INPUT_FREQ_1, 0x31,
+        INPUT_FREQ_0, 0x05,
+        };
+
+        for (i = 0; i < ARRAY_SIZE(buf1); i += 2)
+                mt352_write(fe, &buf1[i], 2);
+
+        deb_rc("Demod init!\n");
+
+        return 0;
+}
+
+struct mt352_state;
+
+
+#define W 0
+#define R 1
+/* Not actual hw limits. */
+#define QT1010_MIN_STEP 2000000
+#define QT1010_MIN_FREQ 48000000
+
+int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params, u8 *buf, int buf_len)
+{
+        int i;
+        int div, mod;
+        struct {
+                u8 read, reg, value;
+        } rd[46] = {    { W, 0x01, 0x80 },
+                        { W, 0x02, 0x3f },
+                        { W, 0x05, 0xff }, /* c */
+                        { W, 0x06, 0x44 },
+                        { W, 0x07, 0xff }, /* c */
+                        { W, 0x08, 0x08 },
+                        { W, 0x09, 0xff }, /* c */
+                        { W, 0x0a, 0xff }, /* c */
+                        { W, 0x0b, 0xff }, /* c */
+                        { W, 0x0c, 0xe1 },
+                        { W, 0x1a, 0xff }, /* 10 c */
+                        { W, 0x1b, 0x00 },
+                        { W, 0x1c, 0x89 },
+                        { W, 0x11, 0xff }, /* c */
+                        { W, 0x12, 0x91 },
+                        { W, 0x22, 0xff }, /* c */
+                        { W, 0x1e, 0x00 },
+                        { W, 0x1e, 0xd0 },
+                        { R, 0x22, 0xff }, /* c read */
+                        { W, 0x1e, 0x00 },
+                        { R, 0x05, 0xff }, /* 20 c read */
+                        { R, 0x22, 0xff }, /* c read */
+                        { W, 0x23, 0xd0 },
+                        { W, 0x1e, 0x00 },
+                        { W, 0x1e, 0xe0 },
+                        { R, 0x23, 0xff }, /* c read */
+                        { W, 0x1e, 0x00 },
+                        { W, 0x24, 0xd0 },
+                        { W, 0x1e, 0x00 },
+                        { W, 0x1e, 0xf0 },
+                        { R, 0x24, 0xff }, /* 30 c read */
+                        { W, 0x1e, 0x00 },
+                        { W, 0x14, 0x7f },
+                        { W, 0x15, 0x7f },
+                        { W, 0x05, 0xff }, /* c */
+                        { W, 0x06, 0x00 },
+                        { W, 0x15, 0x1f },
+                        { W, 0x16, 0xff },
+                        { W, 0x18, 0xff },
+                        { W, 0x1f, 0xff }, /* c */
+                        { W, 0x20, 0xff }, /* 40 c */
+                        { W, 0x21, 0x53 },
+                        { W, 0x25, 0xbd },
+                        { W, 0x26, 0x15 },
+                        { W, 0x02, 0x00 },
+                        { W, 0x01, 0x00 },
+                        };
+        struct i2c_msg msg;
+        struct dvb_usb_device *d = fe->dvb->priv;
+        unsigned long freq = params->frequency;
+
+        if (freq % QT1010_MIN_STEP)
+                deb_rc("frequency not supported.\n");
+
+        (void) buf;
+        (void) buf_len;
+
+        div = (freq - QT1010_MIN_FREQ) / QT1010_MIN_STEP;
+        mod = (div + 16 - 9) % 16;
+
+        /* 0x5 */
+        if (div >= 377)
+                rd[2].value = 0x74;
+        else if (div >=  265)
+                rd[2].value = 0x54;
+        else if (div >=  121)
+                rd[2].value = 0x34;
+        else
+                rd[2].value = 0x14;
+
+        /* 0x7 */
+        rd[4].value = (((freq - QT1010_MIN_FREQ) / 1000000) * 9975 + 12960000) / 320000;
+
+        /* 09 */
+        if (mod < 4)
+                rd[6].value = 0x1d;
+        else
+                rd[6].value = 0x1c;
+
+        /* 0a */
+        if (mod < 2)
+                rd[7].value = 0x09;
+        else if (mod < 4)
+                rd[7].value = 0x08;
+        else if (mod < 6)
+                rd[7].value = 0x0f;
+        else if (mod < 8)
+                rd[7].value = 0x0e;
+        else if (mod < 10)
+                rd[7].value = 0x0d;
+        else if (mod < 12)
+                rd[7].value = 0x0c;
+        else if (mod < 14)
+                rd[7].value = 0x0b;
+        else
+                rd[7].value = 0x0a;
+
+        /* 0b */
+        if (div & 1)
+                rd[8].value = 0x45;
+        else
+                rd[8].value = 0x44;
+
+        /* 1a */
+        if (div & 1)
+                rd[10].value = 0x78;
+        else
+                rd[10].value = 0xf8;
+
+        /* 11 */
+        if (div >= 265)
+                rd[13].value = 0xf9;
+        else if (div >=  121)
+                rd[13].value = 0xfd;
+        else
+                rd[13].value = 0xf9;
+
+        /* 22 */
+        if (div < 201)
+                rd[15].value = 0xd0;
+        else if (div < 217)
+                rd[15].value = 0xd3;
+        else if (div < 233)
+                rd[15].value = 0xd6;
+        else if (div < 249)
+                rd[15].value = 0xd9;
+        else if (div < 265)
+                rd[15].value = 0xda;
+        else
+                rd[15].value = 0xd0;
+
+        /* 05 */
+        if (div >= 377)
+                rd[34].value = 0x70;
+        else if (div >=  265)
+                rd[34].value = 0x50;
+        else if (div >=  121)
+                rd[34].value = 0x30;
+        else
+                rd[34].value = 0x10;
+
+        /* 1f */
+        if (mod < 4)
+                rd[39].value = 0x64;
+        else if (mod < 6)
+                rd[39].value = 0x66;
+        else if (mod < 8)
+                rd[39].value = 0x67;
+        else if (mod < 12)
+                rd[39].value = 0x68;
+        else if (mod < 14)
+                rd[39].value = 0x69;
+        else
+                rd[39].value = 0x6a;
+
+        /* 20 */
+        if (mod < 4)
+                rd[40].value = 0x10;
+        else if (mod < 6)
+                rd[40].value = 0x11;
+        else if (mod < 10)
+                rd[40].value = 0x12;
+        else if (mod < 12)
+                rd[40].value = 0x13;
+        else if (mod < 14)
+                rd[40].value = 0x14;
+        else
+                rd[40].value = 0x15;
+
+        deb_rc("Now tuning... ");
+        for (i = 0; i < sizeof(rd) / sizeof(*rd); i++) {
+                if (rd[i].read)
+                        continue;
+
+                msg.flags = 0;
+                msg.len = 2;
+                msg.addr = 0xc4;
+                msg.buf = &rd[i].reg;
+
+                if (i2c_transfer(&d->i2c_adap, &msg, 1) != 1) {
+                        deb_rc("tuner write failed\n");
+                        return -EIO;
+                }
+        }
+        deb_rc("done\n");
+
+        return 0;
+}
+#undef W
+#undef R
+
+static struct mt352_config megasky_mt352_config = {
+        .demod_address = 0x1e,
+        .demod_init = megasky_mt352_demod_init,
+};
+
+static int megasky_frontend_attach(struct dvb_usb_device *d)
+{
+        deb_rc("megasky_frontend_attach!\n");
+
+        if ((d->fe = mt352_attach(&megasky_mt352_config, &d->i2c_adap)) != NULL) {
+                d->fe->ops.tuner_ops.calc_regs = qt1010_set_params;
+                return 0;
+        }
+        return -EIO;
+}
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_properties megasky_properties;
+
+static int megasky_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+        struct dvb_usb_device *d;
+        struct usb_host_interface *alt;
+        int ret;
+
+        if ((ret = dvb_usb_device_init(intf, &megasky_properties, THIS_MODULE, &d)) == 0) {
+                deb_rc("probed!\n");
+
+                alt = usb_altnum_to_altsetting(intf, 1);
+                if (alt == NULL) {
+                        deb_rc("not alt found!\n");
+                        return -ENODEV;
+                }
+
+                ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber, alt->desc.bAlternateSetting);
+                if (ret < 0)
+                        return ret;
+
+                deb_rc("Changed to alternate setting!\n");
+
+                /* Remote controller init. */
+                if ((ret = m9206_write(d->udev, 0x22, 0xa8, 0xff55)) != 0)
+                        return ret;
+
+                if ((ret = m9206_write(d->udev, 0x22, 0x51, 0xff54)) != 0)
+                        return ret;
+        }
+        return ret;
+}
+
+static struct usb_device_id megasky_table [] = {
+                { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
+                { }             /* Terminating entry */
+};
+MODULE_DEVICE_TABLE (usb, megasky_table);
+
+static int set_filter(struct dvb_usb_device *d, int type, int idx, int pid)
+{
+        int ret = 0;
+
+        if (pid >= 0x8000)
+                return -EINVAL;
+
+        pid |= 0x8000;
+
+        if ((ret = m9206_write(d->udev, 0x25, pid, (type << 8) | (idx * 4) )) != 0)
+                return ret;
+
+        if ((ret = m9206_write(d->udev, 0x25, 0, (type << 8) | (idx * 4) )) != 0)
+                return ret;
+
+        return ret;
+}
+
+static int m9206_pid_filter_ctrl(struct dvb_usb_device *d, int onoff)
+{
+        int ret = 0;
+
+        if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                return -EAGAIN;
+
+        deb_rc("filtering %s\n", onoff ? "on" : "off");
+        if (onoff == 0) {
+                if ((ret = set_filter(d, 0x81, 1, 0x00)) != 0)
+                        goto unlock;
+
+                if ((ret = set_filter(d, 0x82, 0, 0x02f5)) != 0)
+                        goto unlock;
+        }
+        unlock:
+        mutex_unlock(&d->i2c_mutex);
+
+        return ret;
+}
+
+static int m9206_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff)
+{
+        int ret = 0;
+
+        if (pid == 8192)
+                return m9206_pid_filter_ctrl(d, !onoff);
+
+        if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                return -EAGAIN;
+
+        deb_rc("filter %d, pid %x, %s\n", index, pid, onoff ? "on" : "off");
+        if (onoff == 0)
+                pid = 0;
+
+        if ((ret = set_filter(d, 0x81, 1, 0x01)) != 0)
+                goto unlock;
+
+        if ((ret = set_filter(d, 0x81, index + 2, pid)) != 0)
+                goto unlock;
+
+        if ((ret = set_filter(d, 0x82, 0, 0x02f5)) != 0)
+                goto unlock;
+
+        unlock:
+        mutex_unlock(&d->i2c_mutex);
+
+        return ret;
+}
+
+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, 0x25, 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, 0x30, 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),
+                                            0x30, 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) {
+                        ret = -EINVAL;
+                        goto done;
+                }
+        }
+
+        msleep(36);
+
+        /* m9206 will disconnect itself from the bus after this. */
+        (void) m9206_write(udev, 0x22, 0x01, 0xff69);
+        deb_rc("firmware uploaded!\n");
+
+        done:
+        kfree(buff);
+
+        return ret;
+}
+
+static struct dvb_usb_properties megasky_properties = {
+        .caps = DVB_USB_IS_AN_I2C_ADAPTER | DVB_USB_HAS_PID_FILTER |
+                DVB_USB_PID_FILTER_CAN_BE_TURNED_OFF | DVB_USB_NEED_PID_FILTERING,
+        .pid_filter_count = 8,
+
+        .usb_ctrl = DEVICE_SPECIFIC,
+        .firmware = "dvb-usb-megasky-02.fw",
+        .download_firmware = m9206_firmware_download,
+
+        .pid_filter       = m9206_pid_filter,
+        .pid_filter_ctrl  = m9206_pid_filter_ctrl,
+        .frontend_attach  = megasky_frontend_attach,
+
+        .rc_interval      = 200,
+        .rc_key_map       = megasky_rc_keys,
+        .rc_key_map_size  = ARRAY_SIZE(megasky_rc_keys),
+        .rc_query         = m9206_rc_query,
+
+        .size_of_priv     = 0,
+
+        .identify_state   = megasky_identify_state,
+        .i2c_algo         = &m9206_i2c_algo,
+
+        .generic_bulk_ctrl_endpoint = 0x01,
+        .urb = {
+                .type = DVB_USB_BULK,
+                .count = 8,
+                .endpoint = 0x81,
+                .u = {
+                        .bulk = {
+                                .buffersize = 512,
+                        }
+                }
+        },
+        .num_device_descs = 1,
+        .devices = {
+                {   "MSI Mega Sky 580 DVB-T USB2.0",
+                        { &megasky_table[0], NULL },
+                        { NULL },
+                },
+                { NULL },
+        }
+};
+
+static struct usb_driver megasky_driver = {
+        .name           = "dvb_usb_megasky",
+        .probe          = megasky_probe,
+        .disconnect     = dvb_usb_device_exit,
+        .id_table       = megasky_table,
+};
+
+/* module stuff */
+static int __init megasky_module_init(void)
+{
+        int ret;
+
+        if ((ret = usb_register(&megasky_driver))) {
+                err("usb_register failed. Error number %d", ret);
+                return ret;
+        }
+
+        return 0;
+}
+
+static void __exit megasky_module_exit(void)
+{
+        /* deregister this driver from the USB subsystem */
+        usb_deregister(&megasky_driver);
+}
+
+module_init (megasky_module_init);
+module_exit (megasky_module_exit);
+
+MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
+MODULE_DESCRIPTION("Driver for MSI Mega Sky 580 DVB-T USB2.0");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");