7fd4828f6c
Signed-off-by: Igor M Liplianin <liplianin@me.by> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
425 lines
9.9 KiB
C
425 lines
9.9 KiB
C
/* DVB USB framework compliant Linux driver for the DVBWorld DVB-S 2102 Card
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*
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* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, version 2.
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*
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* see Documentation/dvb/README.dvb-usb for more information
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*/
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#include <linux/version.h>
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#include "dw2102.h"
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#include "stv0299.h"
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#include "z0194a.h"
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#ifndef USB_PID_DW2102
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#define USB_PID_DW2102 0x2102
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#endif
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#define DW2102_READ_MSG 0
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#define DW2102_WRITE_MSG 1
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#define REG_1F_SYMBOLRATE_BYTE0 0x1f
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#define REG_20_SYMBOLRATE_BYTE1 0x20
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#define REG_21_SYMBOLRATE_BYTE2 0x21
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#define DW2102_VOLTAGE_CTRL (0x1800)
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#define DW2102_RC_QUERY (0x1a00)
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struct dw2102_state {
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u32 last_key_pressed;
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};
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struct dw2102_rc_keys {
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u32 keycode;
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u32 event;
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};
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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static int dw2102_op_rw(struct usb_device *dev, u8 request, u16 value,
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u8 *data, u16 len, int flags)
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{
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int ret;
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u8 u8buf[len];
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unsigned int pipe = (flags == DW2102_READ_MSG) ?
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usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0);
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u8 request_type = (flags == DW2102_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT;
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if (flags == DW2102_WRITE_MSG)
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memcpy(u8buf, data, len);
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ret = usb_control_msg(dev, pipe, request,
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request_type | USB_TYPE_VENDOR, value, 0 , u8buf, len, 2000);
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if (flags == DW2102_READ_MSG)
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memcpy(data, u8buf, len);
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return ret;
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}
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/* I2C */
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static int dw2102_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
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int num)
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{
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struct dvb_usb_device *d = i2c_get_adapdata(adap);
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int i = 0, ret = 0;
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u8 buf6[] = {0x2c, 0x05, 0xc0, 0, 0, 0, 0};
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u8 request;
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u16 value;
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if (!d)
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return -ENODEV;
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if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
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return -EAGAIN;
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switch (num) {
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case 2:
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/* read stv0299 register */
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request = 0xb5;
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value = msg[0].buf[0];/* register */
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for (i = 0; i < msg[1].len; i++) {
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value = value + i;
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ret = dw2102_op_rw(d->udev, 0xb5,
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value, buf6, 2, DW2102_READ_MSG);
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msg[1].buf[i] = buf6[0];
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}
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break;
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case 1:
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switch (msg[0].addr) {
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case 0x68:
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/* write to stv0299 register */
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buf6[0] = 0x2a;
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buf6[1] = msg[0].buf[0];
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buf6[2] = msg[0].buf[1];
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ret = dw2102_op_rw(d->udev, 0xb2,
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0, buf6, 3, DW2102_WRITE_MSG);
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break;
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case 0x60:
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if (msg[0].flags == 0) {
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/* write to tuner pll */
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buf6[0] = 0x2c;
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buf6[1] = 5;
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buf6[2] = 0xc0;
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buf6[3] = msg[0].buf[0];
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buf6[4] = msg[0].buf[1];
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buf6[5] = msg[0].buf[2];
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buf6[6] = msg[0].buf[3];
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ret = dw2102_op_rw(d->udev, 0xb2,
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0, buf6, 7, DW2102_WRITE_MSG);
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} else {
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/* write to tuner pll */
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ret = dw2102_op_rw(d->udev, 0xb5,
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0, buf6, 1, DW2102_READ_MSG);
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msg[0].buf[0] = buf6[0];
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}
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break;
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case (DW2102_RC_QUERY):
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ret = dw2102_op_rw(d->udev, 0xb8,
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0, buf6, 2, DW2102_READ_MSG);
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msg[0].buf[0] = buf6[0];
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msg[0].buf[1] = buf6[1];
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break;
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case (DW2102_VOLTAGE_CTRL):
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buf6[0] = 0x30;
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buf6[1] = msg[0].buf[0];
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ret = dw2102_op_rw(d->udev, 0xb2,
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0, buf6, 2, DW2102_WRITE_MSG);
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break;
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}
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break;
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}
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mutex_unlock(&d->i2c_mutex);
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return num;
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}
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static u32 dw2102_i2c_func(struct i2c_adapter *adapter)
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{
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return I2C_FUNC_I2C;
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}
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static struct i2c_algorithm dw2102_i2c_algo = {
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.master_xfer = dw2102_i2c_transfer,
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.functionality = dw2102_i2c_func,
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};
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static int dw2102_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
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{
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static u8 command_13v[1] = {0x00};
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static u8 command_18v[1] = {0x01};
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struct i2c_msg msg[] = {
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{.addr = DW2102_VOLTAGE_CTRL, .flags = 0,
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.buf = command_13v, .len = 1},
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};
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struct dvb_usb_adapter *udev_adap =
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(struct dvb_usb_adapter *)(fe->dvb->priv);
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if (voltage == SEC_VOLTAGE_18)
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msg[0].buf = command_18v;
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i2c_transfer(&udev_adap->dev->i2c_adap, msg, 1);
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return 0;
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}
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static int dw2102_frontend_attach(struct dvb_usb_adapter *d)
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{
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d->fe = dvb_attach(stv0299_attach, &sharp_z0194a_config,
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&d->dev->i2c_adap);
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if (d->fe != NULL) {
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d->fe->ops.set_voltage = dw2102_set_voltage;
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info("Attached stv0299!\n");
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return 0;
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}
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return -EIO;
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}
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static int dw2102_tuner_attach(struct dvb_usb_adapter *adap)
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{
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dvb_attach(dvb_pll_attach, adap->fe, 0x60,
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&adap->dev->i2c_adap, DVB_PLL_OPERA1);
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return 0;
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}
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static struct dvb_usb_rc_key dw2102_rc_keys[] = {
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{ 0xf8, 0x0a, KEY_Q }, /*power*/
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{ 0xf8, 0x0c, KEY_M }, /*mute*/
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{ 0xf8, 0x11, KEY_1 },
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{ 0xf8, 0x12, KEY_2 },
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{ 0xf8, 0x13, KEY_3 },
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{ 0xf8, 0x14, KEY_4 },
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{ 0xf8, 0x15, KEY_5 },
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{ 0xf8, 0x16, KEY_6 },
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{ 0xf8, 0x17, KEY_7 },
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{ 0xf8, 0x18, KEY_8 },
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{ 0xf8, 0x19, KEY_9 },
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{ 0xf8, 0x10, KEY_0 },
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{ 0xf8, 0x1c, KEY_PAGEUP }, /*ch+*/
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{ 0xf8, 0x0f, KEY_PAGEDOWN }, /*ch-*/
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{ 0xf8, 0x1a, KEY_O }, /*vol+*/
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{ 0xf8, 0x0e, KEY_Z }, /*vol-*/
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{ 0xf8, 0x04, KEY_R }, /*rec*/
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{ 0xf8, 0x09, KEY_D }, /*fav*/
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{ 0xf8, 0x08, KEY_BACKSPACE }, /*rewind*/
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{ 0xf8, 0x07, KEY_A }, /*fast*/
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{ 0xf8, 0x0b, KEY_P }, /*pause*/
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{ 0xf8, 0x02, KEY_ESC }, /*cancel*/
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{ 0xf8, 0x03, KEY_G }, /*tab*/
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{ 0xf8, 0x00, KEY_UP }, /*up*/
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{ 0xf8, 0x1f, KEY_ENTER }, /*ok*/
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{ 0xf8, 0x01, KEY_DOWN }, /*down*/
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{ 0xf8, 0x05, KEY_C }, /*cap*/
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{ 0xf8, 0x06, KEY_S }, /*stop*/
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{ 0xf8, 0x40, KEY_F }, /*full*/
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{ 0xf8, 0x1e, KEY_W }, /*tvmode*/
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{ 0xf8, 0x1b, KEY_B }, /*recall*/
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};
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static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
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{
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struct dw2102_state *st = d->priv;
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u8 key[2];
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struct i2c_msg msg[] = {
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{.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key,
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.len = 2},
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};
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int i;
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*state = REMOTE_NO_KEY_PRESSED;
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if (dw2102_i2c_transfer(&d->i2c_adap, msg, 1) == 1) {
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for (i = 0; i < ARRAY_SIZE(dw2102_rc_keys); i++) {
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if (dw2102_rc_keys[i].data == msg[0].buf[0]) {
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*state = REMOTE_KEY_PRESSED;
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*event = dw2102_rc_keys[i].event;
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st->last_key_pressed =
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dw2102_rc_keys[i].event;
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break;
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}
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st->last_key_pressed = 0;
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}
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}
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/* info("key: %x %x\n",key[0],key[1]); */
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return 0;
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}
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static struct usb_device_id dw2102_table[] = {
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{USB_DEVICE(USB_VID_CYPRESS, USB_PID_DW2102)},
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{USB_DEVICE(USB_VID_CYPRESS, 0x2101)},
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{ }
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};
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MODULE_DEVICE_TABLE(usb, dw2102_table);
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static int dw2102_load_firmware(struct usb_device *dev,
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const struct firmware *frmwr)
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{
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u8 *b, *p;
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int ret = 0, i;
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u8 reset;
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u8 reset16 [] = {0, 0, 0, 0, 0, 0, 0};
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const struct firmware *fw;
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const char *filename = "dvb-usb-dw2101.fw";
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switch (dev->descriptor.idProduct) {
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case 0x2101:
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ret = request_firmware(&fw, filename, &dev->dev);
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if (ret != 0) {
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err("did not find the firmware file. (%s) "
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"Please see linux/Documentation/dvb/ for more details "
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"on firmware-problems.", filename);
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return ret;
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}
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break;
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case USB_PID_DW2102:
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fw = frmwr;
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break;
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}
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info("start downloading DW2102 firmware");
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p = kmalloc(fw->size, GFP_KERNEL);
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reset = 1;
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/*stop the CPU*/
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dw2102_op_rw(dev, 0xa0, 0x7f92, &reset, 1, DW2102_WRITE_MSG);
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dw2102_op_rw(dev, 0xa0, 0xe600, &reset, 1, DW2102_WRITE_MSG);
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if (p != NULL) {
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memcpy(p, fw->data, fw->size);
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for (i = 0; i < fw->size; i += 0x40) {
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b = (u8 *) p + i;
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if (dw2102_op_rw
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(dev, 0xa0, i, b , 0x40,
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DW2102_WRITE_MSG) != 0x40
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) {
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err("error while transferring firmware");
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ret = -EINVAL;
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break;
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}
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}
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/* restart the CPU */
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reset = 0;
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if (ret || dw2102_op_rw
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(dev, 0xa0, 0x7f92, &reset, 1,
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DW2102_WRITE_MSG) != 1) {
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err("could not restart the USB controller CPU.");
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ret = -EINVAL;
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}
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if (ret || dw2102_op_rw
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(dev, 0xa0, 0xe600, &reset, 1,
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DW2102_WRITE_MSG) != 1) {
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err("could not restart the USB controller CPU.");
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ret = -EINVAL;
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}
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/* init registers */
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switch (dev->descriptor.idProduct) {
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case USB_PID_DW2102:
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dw2102_op_rw
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(dev, 0xbf, 0x0040, &reset, 0,
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DW2102_WRITE_MSG);
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dw2102_op_rw
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(dev, 0xb9, 0x0000, &reset16[0], 2,
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DW2102_READ_MSG);
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break;
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case 0x2101:
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dw2102_op_rw
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(dev, 0xbc, 0x0030, &reset16[0], 2,
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DW2102_READ_MSG);
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dw2102_op_rw
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(dev, 0xba, 0x0000, &reset16[0], 7,
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DW2102_READ_MSG);
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dw2102_op_rw
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(dev, 0xba, 0x0000, &reset16[0], 7,
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DW2102_READ_MSG);
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dw2102_op_rw
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(dev, 0xb9, 0x0000, &reset16[0], 2,
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DW2102_READ_MSG);
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break;
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}
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kfree(p);
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}
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return ret;
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}
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static struct dvb_usb_device_properties dw2102_properties = {
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.caps = DVB_USB_IS_AN_I2C_ADAPTER,
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.usb_ctrl = DEVICE_SPECIFIC,
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.firmware = "dvb-usb-dw2102.fw",
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.size_of_priv = sizeof(struct dw2102_state),
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.no_reconnect = 1,
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.i2c_algo = &dw2102_i2c_algo,
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.rc_key_map = dw2102_rc_keys,
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.rc_key_map_size = ARRAY_SIZE(dw2102_rc_keys),
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.rc_interval = 150,
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.rc_query = dw2102_rc_query,
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.generic_bulk_ctrl_endpoint = 0x81,
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/* parameter for the MPEG2-data transfer */
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.num_adapters = 1,
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.download_firmware = dw2102_load_firmware,
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.adapter = {
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{
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.frontend_attach = dw2102_frontend_attach,
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.streaming_ctrl = NULL,
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.tuner_attach = dw2102_tuner_attach,
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.stream = {
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.type = USB_BULK,
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.count = 8,
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.endpoint = 0x82,
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.u = {
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.bulk = {
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.buffersize = 4096,
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}
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}
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},
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}
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},
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.num_device_descs = 2,
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.devices = {
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{"DVBWorld DVB-S 2102 USB2.0",
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{&dw2102_table[0], NULL},
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{NULL},
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},
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{"DVBWorld DVB-S 2101 USB2.0",
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{&dw2102_table[1], NULL},
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{NULL},
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},
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}
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};
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static int dw2102_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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return dvb_usb_device_init(intf, &dw2102_properties,
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THIS_MODULE, NULL, adapter_nr);
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}
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static struct usb_driver dw2102_driver = {
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.name = "dw2102",
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.probe = dw2102_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = dw2102_table,
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};
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static int __init dw2102_module_init(void)
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{
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int ret = usb_register(&dw2102_driver);
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if (ret)
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err("usb_register failed. Error number %d", ret);
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return ret;
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}
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static void __exit dw2102_module_exit(void)
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{
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usb_deregister(&dw2102_driver);
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}
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module_init(dw2102_module_init);
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module_exit(dw2102_module_exit);
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MODULE_AUTHOR("Igor M. Liplianin (c) liplianin@me.by");
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MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101 2102 USB2.0 device");
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MODULE_VERSION("0.1");
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MODULE_LICENSE("GPL");
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