#include "gp8psk.h"
#include "gp8psk-fe.h"
static char bcm4500_firmware[] = "dvb-usb-gp8psk-02.fw";
int dvb_usb_gp8psk_debug;
module_param_named(debug,dvb_usb_gp8psk_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
struct gp8psk_state {
unsigned char data[80];
};
static int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value,
u16 index, u8 *b, int blen)
{
struct gp8psk_state *st = d->priv;
int ret = 0,try = 0;
if (blen > sizeof(st->data))
return -EIO;
if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
while (ret >= 0 && ret != blen && try < 3) {
ret = usb_control_msg(d->udev,
usb_rcvctrlpipe(d->udev,0),
req,
USB_TYPE_VENDOR | USB_DIR_IN,
value, index, st->data, blen,
2000);
deb_info("reading number %d (ret: %d)\n",try,ret);
try++;
}
if (ret < 0 || ret != blen) {
warn("usb in %d operation failed.", req);
ret = -EIO;
} else {
ret = 0;
memcpy(b, st->data, blen);
}
deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
debug_dump(b,blen,deb_xfer);
mutex_unlock(&d->usb_mutex);
return ret;
}
static int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
u16 index, u8 *b, int blen)
{
struct gp8psk_state *st = d->priv;
int ret;
deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
debug_dump(b,blen,deb_xfer);
if (blen > sizeof(st->data))
return -EIO;
if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
return ret;
memcpy(st->data, b, blen);
if (usb_control_msg(d->udev,
usb_sndctrlpipe(d->udev,0),
req,
USB_TYPE_VENDOR | USB_DIR_OUT,
value, index, st->data, blen,
2000) != blen) {
warn("usb out operation failed.");
ret = -EIO;
} else
ret = 0;
mutex_unlock(&d->usb_mutex);
return ret;
}
static int gp8psk_get_fw_version(struct dvb_usb_device *d, u8 *fw_vers)
{
return gp8psk_usb_in_op(d, GET_FW_VERS, 0, 0, fw_vers, 6);
}
static int gp8psk_get_fpga_version(struct dvb_usb_device *d, u8 *fpga_vers)
{
return gp8psk_usb_in_op(d, GET_FPGA_VERS, 0, 0, fpga_vers, 1);
}
static void gp8psk_info(struct dvb_usb_device *d)
{
u8 fpga_vers, fw_vers[6];
if (!gp8psk_get_fw_version(d, fw_vers))
info("FW Version = %i.%02i.%i (0x%x) Build %4i/%02i/%02i",
fw_vers[2], fw_vers[1], fw_vers[0], GP8PSK_FW_VERS(fw_vers),
2000 + fw_vers[5], fw_vers[4], fw_vers[3]);
else
info("failed to get FW version");
if (!gp8psk_get_fpga_version(d, &fpga_vers))
info("FPGA Version = %i", fpga_vers);
else
info("failed to get FPGA version");
}
static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d)
{
int ret;
const struct firmware *fw = NULL;
const u8 *ptr;
u8 *buf;
if ((ret = request_firmware(&fw, bcm4500_firmware,
&d->udev->dev)) != 0) {
err("did not find the bcm4500 firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware",
bcm4500_firmware,ret);
return ret;
}
ret = -EINVAL;
if (gp8psk_usb_out_op(d, LOAD_BCM4500,1,0,NULL, 0))
goto out_rel_fw;
info("downloading bcm4500 firmware from file '%s'",bcm4500_firmware);
ptr = fw->data;
buf = kmalloc(64, GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto out_rel_fw;
}
while (ptr[0] != 0xff) {
u16 buflen = ptr[0] + 4;
if (ptr + buflen >= fw->data + fw->size) {
err("failed to load bcm4500 firmware.");
goto out_free;
}
if (buflen > 64) {
err("firmware chunk size bigger than 64 bytes.");
goto out_free;
}
memcpy(buf, ptr, buflen);
if (dvb_usb_generic_write(d, buf, buflen)) {
err("failed to load bcm4500 firmware.");
goto out_free;
}
ptr += buflen;
}
ret = 0;
out_free:
kfree(buf);
out_rel_fw:
release_firmware(fw);
return ret;
}
static int gp8psk_power_ctrl(struct dvb_usb_device *d, int onoff)
{
u8 status = 0, buf;
int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct);
if (onoff) {
gp8psk_usb_in_op(d, GET_8PSK_CONFIG,0,0,&status,1);
if (! (status & bm8pskStarted)) {
if(gp_product_id == USB_PID_GENPIX_SKYWALKER_CW3K)
gp8psk_usb_out_op(d, CW3K_INIT, 1, 0, NULL, 0);
if (gp8psk_usb_in_op(d, BOOT_8PSK, 1, 0, &buf, 1))
return -EINVAL;
gp8psk_info(d);
}
if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
if (! (status & bm8pskFW_Loaded))
if(gp8psk_load_bcm4500fw(d))
return -EINVAL;
if (! (status & bmIntersilOn))
if (gp8psk_usb_in_op(d, START_INTERSIL, 1, 0,
&buf, 1))
return -EINVAL;
if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
if (gp8psk_usb_out_op(d, SET_DVB_MODE, 1, 0, NULL, 0))
return -EINVAL;
if (gp8psk_usb_out_op(d, ARM_TRANSFER, 0, 0, NULL, 0))
return -EINVAL;
} else {
if (gp8psk_usb_in_op(d, START_INTERSIL, 0, 0, &buf, 1))
return -EINVAL;
if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1))
return -EINVAL;
if(gp_product_id == USB_PID_GENPIX_SKYWALKER_CW3K)
gp8psk_usb_out_op(d, CW3K_INIT, 0, 0, NULL, 0);
}
return 0;
}
static int gp8psk_bcm4500_reload(struct dvb_usb_device *d)
{
u8 buf;
int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct);
deb_xfer("reloading firmware\n");
if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1))
return -EINVAL;
if (gp8psk_usb_in_op(d, BOOT_8PSK, 1, 0, &buf, 1))
return -EINVAL;
if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
if (gp8psk_load_bcm4500fw(d))
return -EINVAL;
return 0;
}
static int gp8psk_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
return gp8psk_usb_out_op(adap->dev, ARM_TRANSFER, onoff, 0 , NULL, 0);
}
static int gp8psk_fe_in(void *priv, u8 req, u16 value,
u16 index, u8 *b, int blen)
{
struct dvb_usb_device *d = priv;
return gp8psk_usb_in_op(d, req, value, index, b, blen);
}
static int gp8psk_fe_out(void *priv, u8 req, u16 value,
u16 index, u8 *b, int blen)
{
struct dvb_usb_device *d = priv;
return gp8psk_usb_out_op(d, req, value, index, b, blen);
}
static int gp8psk_fe_reload(void *priv)
{
struct dvb_usb_device *d = priv;
return gp8psk_bcm4500_reload(d);
}
static const struct gp8psk_fe_ops gp8psk_fe_ops = {
.in = gp8psk_fe_in,
.out = gp8psk_fe_out,
.reload = gp8psk_fe_reload,
};
static int gp8psk_frontend_attach(struct dvb_usb_adapter *adap)
{
struct dvb_usb_device *d = adap->dev;
int id = le16_to_cpu(d->udev->descriptor.idProduct);
int is_rev1;
is_rev1 = id == USB_PID_GENPIX_8PSK_REV_1_WARM;
adap->fe_adap[0].fe = dvb_attach(gp8psk_fe_attach,
&gp8psk_fe_ops, d, is_rev1);
return 0;
}
static struct dvb_usb_device_properties gp8psk_properties;
static int gp8psk_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int ret;
struct usb_device *udev = interface_to_usbdev(intf);
ret = dvb_usb_device_init(intf, &gp8psk_properties,
THIS_MODULE, NULL, adapter_nr);
if (ret == 0) {
info("found Genpix USB device pID = %x (hex)",
le16_to_cpu(udev->descriptor.idProduct));
}
return ret;
}
enum {
GENPIX_8PSK_REV_1_COLD,
GENPIX_8PSK_REV_1_WARM,
GENPIX_8PSK_REV_2,
GENPIX_SKYWALKER_1,
GENPIX_SKYWALKER_2,
GENPIX_SKYWALKER_CW3K,
};
static const struct usb_device_id gp8psk_usb_table[] = {
DVB_USB_DEV(GENPIX, GENPIX_8PSK_REV_1_COLD),
DVB_USB_DEV(GENPIX, GENPIX_8PSK_REV_1_WARM),
DVB_USB_DEV(GENPIX, GENPIX_8PSK_REV_2),
DVB_USB_DEV(GENPIX, GENPIX_SKYWALKER_1),
DVB_USB_DEV(GENPIX, GENPIX_SKYWALKER_2),
DVB_USB_DEV(GENPIX, GENPIX_SKYWALKER_CW3K),
{ }
};
MODULE_DEVICE_TABLE(usb, gp8psk_usb_table);
static struct dvb_usb_device_properties gp8psk_properties = {
.usb_ctrl = CYPRESS_FX2,
.firmware = "dvb-usb-gp8psk-01.fw",
.size_of_priv = sizeof(struct gp8psk_state),
.num_adapters = 1,
.adapter = {
{
.num_frontends = 1,
.fe = {{
.streaming_ctrl = gp8psk_streaming_ctrl,
.frontend_attach = gp8psk_frontend_attach,
.stream = {
.type = USB_BULK,
.count = 7,
.endpoint = 0x82,
.u = {
.bulk = {
.buffersize = 8192,
}
}
},
}},
}
},
.power_ctrl = gp8psk_power_ctrl,
.generic_bulk_ctrl_endpoint = 0x01,
.num_device_descs = 4,
.devices = {
{ .name = "Genpix 8PSK-to-USB2 Rev.1 DVB-S receiver",
.cold_ids = { &gp8psk_usb_table[GENPIX_8PSK_REV_1_COLD], NULL },
.warm_ids = { &gp8psk_usb_table[GENPIX_8PSK_REV_1_WARM], NULL },
},
{ .name = "Genpix 8PSK-to-USB2 Rev.2 DVB-S receiver",
.cold_ids = { NULL },
.warm_ids = { &gp8psk_usb_table[GENPIX_8PSK_REV_2], NULL },
},
{ .name = "Genpix SkyWalker-1 DVB-S receiver",
.cold_ids = { NULL },
.warm_ids = { &gp8psk_usb_table[GENPIX_SKYWALKER_1], NULL },
},
{ .name = "Genpix SkyWalker-2 DVB-S receiver",
.cold_ids = { NULL },
.warm_ids = { &gp8psk_usb_table[GENPIX_SKYWALKER_2], NULL },
},
{ NULL },
}
};
static struct usb_driver gp8psk_usb_driver = {
.name = "dvb_usb_gp8psk",
.probe = gp8psk_usb_probe,
.disconnect = dvb_usb_device_exit,
.id_table = gp8psk_usb_table,
};
module_usb_driver(gp8psk_usb_driver);
MODULE_AUTHOR("Alan Nisota <alannisota@gamil.com>");
MODULE_DESCRIPTION("Driver for Genpix DVB-S");
MODULE_VERSION("1.1");
MODULE_LICENSE("GPL");
