diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dw2102.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dw2102.c | 425 |
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"); |