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path: root/drivers/media/dvb/dvb-usb/dw2102.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/dw2102.c')
-rw-r--r--drivers/media/dvb/dvb-usb/dw2102.c425
1 files changed, 425 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c
new file mode 100644
index 000000000000..a4d898b44e55
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/dw2102.c
@@ -0,0 +1,425 @@
+/* DVB USB framework compliant Linux driver for the DVBWorld DVB-S 2102 Card
+*
+* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+*
+* 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 <linux/version.h>
+#include "dw2102.h"
+#include "stv0299.h"
+#include "z0194a.h"
+
+#ifndef USB_PID_DW2102
+#define USB_PID_DW2102 0x2102
+#endif
+
+#define DW2102_READ_MSG 0
+#define DW2102_WRITE_MSG 1
+
+#define REG_1F_SYMBOLRATE_BYTE0 0x1f
+#define REG_20_SYMBOLRATE_BYTE1 0x20
+#define REG_21_SYMBOLRATE_BYTE2 0x21
+
+#define DW2102_VOLTAGE_CTRL (0x1800)
+#define DW2102_RC_QUERY (0x1a00)
+
+struct dw2102_state {
+ u32 last_key_pressed;
+};
+struct dw2102_rc_keys {
+ u32 keycode;
+ u32 event;
+};
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int dw2102_op_rw(struct usb_device *dev, u8 request, u16 value,
+ u8 *data, u16 len, int flags)
+{
+ int ret;
+ u8 u8buf[len];
+
+ unsigned int pipe = (flags == DW2102_READ_MSG) ?
+ usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);
+ u8 request_type = (flags == DW2102_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
+
+ if (flags == DW2102_WRITE_MSG)
+ memcpy(u8buf, data, len);
+ ret = usb_control_msg(dev, pipe, request,
+ request_type | USB_TYPE_VENDOR, value, 0 , u8buf, len, 2000);
+
+ if (flags == DW2102_READ_MSG)
+ memcpy(data, u8buf, len);
+ return ret;
+}
+
+/* I2C */
+
+static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+ int num)
+{
+struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ int i = 0, ret = 0;
+ u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0};
+ u8 request;
+ u16 value;
+
+ if (!d)
+ return -ENODEV;
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+ return -EAGAIN;
+
+ switch (num) {
+ case 2:
+ /* read stv0299 register */
+ request = 0xb5;
+ value = msg[0].buf[0];/* register */
+ for (i = 0; i < msg[1].len; i++) {
+ value = value + i;
+ ret = dw2102_op_rw(d->udev, 0xb5,
+ value, buf6, 2, DW2102_READ_MSG);
+ msg[1].buf[i] = buf6[0];
+
+ }
+ break;
+ case 1:
+ switch (msg[0].addr) {
+ case 0x68:
+ /* write to stv0299 register */
+ buf6[0] = 0x2a;
+ buf6[1] = msg[0].buf[0];
+ buf6[2] = msg[0].buf[1];
+ ret = dw2102_op_rw(d->udev, 0xb2,
+ 0, buf6, 3, DW2102_WRITE_MSG);
+ break;
+ case 0x60:
+ if (msg[0].flags == 0) {
+ /* write to tuner pll */
+ buf6[0] = 0x2c;
+ buf6[1] = 5;
+ buf6[2] = 0xc0;
+ buf6[3] = msg[0].buf[0];
+ buf6[4] = msg[0].buf[1];
+ buf6[5] = msg[0].buf[2];
+ buf6[6] = msg[0].buf[3];
+ ret = dw2102_op_rw(d->udev, 0xb2,
+ 0, buf6, 7, DW2102_WRITE_MSG);
+ } else {
+ /* write to tuner pll */
+ ret = dw2102_op_rw(d->udev, 0xb5,
+ 0, buf6, 1, DW2102_READ_MSG);
+ msg[0].buf[0] = buf6[0];
+ }
+ break;
+ case (DW2102_RC_QUERY):
+ ret = dw2102_op_rw(d->udev, 0xb8,
+ 0, buf6, 2, DW2102_READ_MSG);
+ msg[0].buf[0] = buf6[0];
+ msg[0].buf[1] = buf6[1];
+ break;
+ case (DW2102_VOLTAGE_CTRL):
+ buf6[0] = 0x30;
+ buf6[1] = msg[0].buf[0];
+ ret = dw2102_op_rw(d->udev, 0xb2,
+ 0, buf6, 2, DW2102_WRITE_MSG);
+ break;
+ }
+
+ break;
+ }
+
+ mutex_unlock(&d->i2c_mutex);
+ return num;
+}
+
+static u32 dw2102_i2c_func(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm dw2102_i2c_algo = {
+ .master_xfer = dw2102_i2c_transfer,
+ .functionality = dw2102_i2c_func,
+};
+
+static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
+{
+ static u8 command_13v[1] = {0x00};
+ static u8 command_18v[1] = {0x01};
+ struct i2c_msg msg[] = {
+ {.addr = DW2102_VOLTAGE_CTRL, .flags = 0,
+ .buf = command_13v, .len = 1},
+ };
+
+ struct dvb_usb_adapter *udev_adap =
+ (struct dvb_usb_adapter *)(fe->dvb->priv);
+ if (voltage == SEC_VOLTAGE_18)
+ msg[0].buf = command_18v;
+ i2c_transfer(&udev_adap->dev->i2c_adap, msg, 1);
+ return 0;
+}
+
+static int dw2102_frontend_attach(struct dvb_usb_adapter *d)
+{
+ d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config,
+ &d->dev->i2c_adap);
+ if (d->fe != NULL) {
+ d->fe->ops.set_voltage = dw2102_set_voltage;
+ info("Attached stv0299!\n");
+ return 0;
+ }
+ return -EIO;
+}
+
+static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ dvb_attach(dvb_pll_attach, adap->fe, 0x60,
+ &adap->dev->i2c_adap, DVB_PLL_OPERA1);
+ return 0;
+}
+
+static struct dvb_usb_rc_key dw2102_rc_keys[] = {
+ { 0xf8, 0x0a, KEY_Q }, /*power*/
+ { 0xf8, 0x0c, KEY_M }, /*mute*/
+ { 0xf8, 0x11, KEY_1 },
+ { 0xf8, 0x12, KEY_2 },
+ { 0xf8, 0x13, KEY_3 },
+ { 0xf8, 0x14, KEY_4 },
+ { 0xf8, 0x15, KEY_5 },
+ { 0xf8, 0x16, KEY_6 },
+ { 0xf8, 0x17, KEY_7 },
+ { 0xf8, 0x18, KEY_8 },
+ { 0xf8, 0x19, KEY_9 },
+ { 0xf8, 0x10, KEY_0 },
+ { 0xf8, 0x1c, KEY_PAGEUP }, /*ch+*/
+ { 0xf8, 0x0f, KEY_PAGEDOWN }, /*ch-*/
+ { 0xf8, 0x1a, KEY_O }, /*vol+*/
+ { 0xf8, 0x0e, KEY_Z }, /*vol-*/
+ { 0xf8, 0x04, KEY_R }, /*rec*/
+ { 0xf8, 0x09, KEY_D }, /*fav*/
+ { 0xf8, 0x08, KEY_BACKSPACE }, /*rewind*/
+ { 0xf8, 0x07, KEY_A }, /*fast*/
+ { 0xf8, 0x0b, KEY_P }, /*pause*/
+ { 0xf8, 0x02, KEY_ESC }, /*cancel*/
+ { 0xf8, 0x03, KEY_G }, /*tab*/
+ { 0xf8, 0x00, KEY_UP }, /*up*/
+ { 0xf8, 0x1f, KEY_ENTER }, /*ok*/
+ { 0xf8, 0x01, KEY_DOWN }, /*down*/
+ { 0xf8, 0x05, KEY_C }, /*cap*/
+ { 0xf8, 0x06, KEY_S }, /*stop*/
+ { 0xf8, 0x40, KEY_F }, /*full*/
+ { 0xf8, 0x1e, KEY_W }, /*tvmode*/
+ { 0xf8, 0x1b, KEY_B }, /*recall*/
+
+};
+
+
+
+static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+ struct dw2102_state *st = d->priv;
+ u8 key[2];
+ struct i2c_msg msg[] = {
+ {.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key,
+ .len = 2},
+ };
+ int i;
+
+ *state = REMOTE_NO_KEY_PRESSED;
+ if (dw2102_i2c_transfer(&d->i2c_adap, msg, 1) == 1) {
+ for (i = 0; i < ARRAY_SIZE(dw2102_rc_keys); i++) {
+ if (dw2102_rc_keys[i].data == msg[0].buf[0]) {
+ *state = REMOTE_KEY_PRESSED;
+ *event = dw2102_rc_keys[i].event;
+ st->last_key_pressed =
+ dw2102_rc_keys[i].event;
+ break;
+ }
+ st->last_key_pressed = 0;
+ }
+ }
+ /* info("key: %x %x\n",key[0],key[1]); */
+ return 0;
+}
+
+static struct usb_device_id dw2102_table[] = {
+ {USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)},
+ {USB_DEVICE(USB_VID_CYPRESS, 0x2101)},
+ { }
+};
+
+MODULE_DEVICE_TABLE(usb, dw2102_table);
+
+static int dw2102_load_firmware(struct usb_device *dev,
+ const struct firmware *frmwr)
+{
+ u8 *b, *p;
+ int ret = 0, i;
+ u8 reset;
+ u8 reset16 [] = {0, 0, 0, 0, 0, 0, 0};
+ const struct firmware *fw;
+ const char *filename = "dvb-usb-dw2101.fw";
+ switch (dev->descriptor.idProduct) {
+ case 0x2101:
+ ret = request_firmware(&fw, filename, &dev->dev);
+ if (ret != 0) {
+ err("did not find the firmware file. (%s) "
+ "Please see linux/Documentation/dvb/ for more details "
+ "on firmware-problems.", filename);
+ return ret;
+ }
+ break;
+ case USB_PID_DW2102:
+ fw = frmwr;
+ break;
+ }
+ info("start downloading DW2102 firmware");
+ p = kmalloc(fw->size, GFP_KERNEL);
+ reset = 1;
+ /*stop the CPU*/
+ dw2102_op_rw(dev, 0xa0, 0x7f92, &reset, 1, DW2102_WRITE_MSG);
+ dw2102_op_rw(dev, 0xa0, 0xe600, &reset, 1, DW2102_WRITE_MSG);
+
+ if (p != NULL) {
+ memcpy(p, fw->data, fw->size);
+ for (i = 0; i < fw->size; i += 0x40) {
+ b = (u8 *) p + i;
+ if (dw2102_op_rw
+ (dev, 0xa0, i, b , 0x40,
+ DW2102_WRITE_MSG) != 0x40
+ ) {
+ err("error while transferring firmware");
+ ret = -EINVAL;
+ break;
+ }
+ }
+ /* restart the CPU */
+ reset = 0;
+ if (ret || dw2102_op_rw
+ (dev, 0xa0, 0x7f92, &reset, 1,
+ DW2102_WRITE_MSG) != 1) {
+ err("could not restart the USB controller CPU.");
+ ret = -EINVAL;
+ }
+ if (ret || dw2102_op_rw
+ (dev, 0xa0, 0xe600, &reset, 1,
+ DW2102_WRITE_MSG) != 1) {
+ err("could not restart the USB controller CPU.");
+ ret = -EINVAL;
+ }
+ /* init registers */
+ switch (dev->descriptor.idProduct) {
+ case USB_PID_DW2102:
+ dw2102_op_rw
+ (dev, 0xbf, 0x0040, &reset, 0,
+ DW2102_WRITE_MSG);
+ dw2102_op_rw
+ (dev, 0xb9, 0x0000, &reset16[0], 2,
+ DW2102_READ_MSG);
+ break;
+ case 0x2101:
+ dw2102_op_rw
+ (dev, 0xbc, 0x0030, &reset16[0], 2,
+ DW2102_READ_MSG);
+ dw2102_op_rw
+ (dev, 0xba, 0x0000, &reset16[0], 7,
+ DW2102_READ_MSG);
+ dw2102_op_rw
+ (dev, 0xba, 0x0000, &reset16[0], 7,
+ DW2102_READ_MSG);
+ dw2102_op_rw
+ (dev, 0xb9, 0x0000, &reset16[0], 2,
+ DW2102_READ_MSG);
+ break;
+ }
+ kfree(p);
+ }
+ return ret;
+}
+
+static struct dvb_usb_device_properties dw2102_properties = {
+ .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+ .usb_ctrl = DEVICE_SPECIFIC,
+ .firmware = "dvb-usb-dw2102.fw",
+ .size_of_priv = sizeof(struct dw2102_state),
+ .no_reconnect = 1,
+
+ .i2c_algo = &dw2102_i2c_algo,
+ .rc_key_map = dw2102_rc_keys,
+ .rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys),
+ .rc_interval = 150,
+ .rc_query = dw2102_rc_query,
+
+ .generic_bulk_ctrl_endpoint = 0x81,
+ /* parameter for the MPEG2-data transfer */
+ .num_adapters = 1,
+ .download_firmware = dw2102_load_firmware,
+ .adapter = {
+ {
+ .frontend_attach = dw2102_frontend_attach,
+ .streaming_ctrl = NULL,
+ .tuner_attach = dw2102_tuner_attach,
+ .stream = {
+ .type = USB_BULK,
+ .count = 8,
+ .endpoint = 0x82,
+ .u = {
+ .bulk = {
+ .buffersize = 4096,
+ }
+ }
+ },
+ }
+ },
+ .num_device_descs = 2,
+ .devices = {
+ {"DVBWorld DVB-S 2102 USB2.0",
+ {&dw2102_table[0], NULL},
+ {NULL},
+ },
+ {"DVBWorld DVB-S 2101 USB2.0",
+ {&dw2102_table[1], NULL},
+ {NULL},
+ },
+ }
+};
+
+static int dw2102_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ return dvb_usb_device_init(intf, &dw2102_properties,
+ THIS_MODULE, NULL, adapter_nr);
+}
+
+static struct usb_driver dw2102_driver = {
+ .name = "dw2102",
+ .probe = dw2102_probe,
+ .disconnect = dvb_usb_device_exit,
+ .id_table = dw2102_table,
+};
+
+static int __init dw2102_module_init(void)
+{
+ int ret = usb_register(&dw2102_driver);
+ if (ret)
+ err("usb_register failed. Error number %d", ret);
+
+ return ret;
+}
+
+static void __exit dw2102_module_exit(void)
+{
+ usb_deregister(&dw2102_driver);
+}
+
+module_init(dw2102_module_init);
+module_exit(dw2102_module_exit);
+
+MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");
+MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101 2102 USB2.0 device");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-15 11:48:19 +0300