* TTUSB DEC Driver
*
* Copyright (C) 2003-2004 Alex Woods <linux-dvb@giblets.org>
+ * IR support by Peter Beutner <p.beutner@gmx.net>
*
* 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
#include <linux/firmware.h>
#include <linux/crc32.h>
#include <linux/init.h>
+#include <linux/input.h>
#include "dmxdev.h"
#include "dvb_demux.h"
static int debug;
static int output_pva;
+static int enable_rc;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
module_param(output_pva, int, 0444);
MODULE_PARM_DESC(output_pva, "Output PVA from dvr device (default:off)");
+module_param(enable_rc, int, 0644);
+MODULE_PARM_DESC(enable_rc, "Turn on/off IR remote control(default: off)");
#define dprintk if (debug) printk
#define DRIVER_NAME "TechnoTrend/Hauppauge DEC USB"
#define COMMAND_PIPE 0x03
-#define RESULT_PIPE 0x84
-#define IN_PIPE 0x88
+#define RESULT_PIPE 0x04
+#define IN_PIPE 0x08
#define OUT_PIPE 0x07
+#define IRQ_PIPE 0x0A
#define COMMAND_PACKET_SIZE 0x3c
#define ARM_PACKET_SIZE 0x1000
+#define IRQ_PACKET_SIZE 0x8
#define ISO_BUF_COUNT 0x04
#define FRAMES_PER_ISO_BUF 0x04
-#define ISO_FRAME_SIZE 0x03FF
+#define ISO_FRAME_SIZE 0x0380
#define MAX_PVA_LENGTH 6144
int can_playback;
/* DVB bits */
- struct dvb_adapter *adapter;
+ struct dvb_adapter adapter;
struct dmxdev dmxdev;
struct dvb_demux demux;
struct dmx_frontend frontend;
u16 pid[DMX_PES_OTHER];
/* USB bits */
- struct usb_device *udev;
- u8 trans_count;
- unsigned int command_pipe;
- unsigned int result_pipe;
+ struct usb_device *udev;
+ u8 trans_count;
+ unsigned int command_pipe;
+ unsigned int result_pipe;
unsigned int in_pipe;
unsigned int out_pipe;
+ unsigned int irq_pipe;
enum ttusb_dec_interface interface;
- struct semaphore usb_sem;
+ struct semaphore usb_sem;
+ void *irq_buffer;
+ struct urb *irq_urb;
+ dma_addr_t irq_dma_handle;
void *iso_buffer;
dma_addr_t iso_dma_handle;
struct urb *iso_urb[ISO_BUF_COUNT];
struct list_head filter_info_list;
spinlock_t filter_info_list_lock;
+ struct input_dev rc_input_dev;
+
int active; /* Loaded successfully */
};
struct list_head filter_info_list;
};
+static u16 rc_keys[] = {
+ KEY_POWER,
+ KEY_MUTE,
+ KEY_1,
+ KEY_2,
+ KEY_3,
+ KEY_4,
+ KEY_5,
+ KEY_6,
+ KEY_7,
+ KEY_8,
+ KEY_9,
+ KEY_0,
+ KEY_CHANNELUP,
+ KEY_VOLUMEDOWN,
+ KEY_OK,
+ KEY_VOLUMEUP,
+ KEY_CHANNELDOWN,
+ KEY_PREVIOUS,
+ KEY_ESC,
+ KEY_RED,
+ KEY_GREEN,
+ KEY_YELLOW,
+ KEY_BLUE,
+ KEY_OPTION,
+ KEY_M,
+ KEY_RADIO
+};
+
static void ttusb_dec_set_model(struct ttusb_dec *dec,
enum ttusb_dec_model model);
+static void ttusb_dec_handle_irq( struct urb *urb, struct pt_regs *regs)
+{
+ struct ttusb_dec * dec = urb->context;
+ char *buffer = dec->irq_buffer;
+ int retval;
+
+ switch(urb->status) {
+ case 0: /*success*/
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ case -ETIMEDOUT:
+ /* this urb is dead, cleanup */
+ dprintk("%s:urb shutting down with status: %d\n",
+ __FUNCTION__, urb->status);
+ return;
+ default:
+ dprintk("%s:nonzero status received: %d\n",
+ __FUNCTION__,urb->status);
+ goto exit;
+ }
+
+ if( (buffer[0] == 0x1) && (buffer[2] == 0x15) ) {
+ /* IR - Event */
+ /* this is an fact a bit too simple implementation;
+ * the box also reports a keyrepeat signal
+ * (with buffer[3] == 0x40) in an intervall of ~100ms.
+ * But to handle this correctly we had to imlemenent some
+ * kind of timer which signals a 'key up' event if no
+ * keyrepeat signal is recieved for lets say 200ms.
+ * this should/could be added later ...
+ * for now lets report each signal as a key down and up*/
+ dprintk("%s:rc signal:%d\n", __FUNCTION__, buffer[4]);
+ input_report_key(&dec->rc_input_dev,rc_keys[buffer[4]-1],1);
+ input_report_key(&dec->rc_input_dev,rc_keys[buffer[4]-1],0);
+ input_sync(&dec->rc_input_dev);
+ }
+
+exit: retval = usb_submit_urb(urb, GFP_ATOMIC);
+ if(retval)
+ printk("%s - usb_commit_urb failed with result: %d\n",
+ __FUNCTION__, retval);
+}
+
static u16 crc16(u16 crc, const u8 *buf, size_t len)
{
u16 tmp;
u8 *b;
dprintk("%s\n", __FUNCTION__);
-
+
b = kmalloc(COMMAND_PACKET_SIZE + 4, GFP_KERNEL);
if (!b)
return -ENOMEM;
}
result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
- COMMAND_PACKET_SIZE + 4, &actual_len, HZ);
+ COMMAND_PACKET_SIZE + 4, &actual_len, 1000);
if (result) {
printk("%s: command bulk message failed: error %d\n",
}
result = usb_bulk_msg(dec->udev, dec->result_pipe, b,
- COMMAND_PACKET_SIZE + 4, &actual_len, HZ);
+ COMMAND_PACKET_SIZE + 4, &actual_len, 1000);
if (result) {
printk("%s: result bulk message failed: error %d\n",
ttusb_dec_send_command(dec, 0x50, sizeof(b), b, NULL, NULL);
- dvb_filter_pes2ts_init(&dec->a_pes2ts, dec->pid[DMX_PES_AUDIO],
+ dvb_filter_pes2ts_init(&dec->a_pes2ts, dec->pid[DMX_PES_AUDIO],
ttusb_dec_audio_pes2ts_cb, dec);
- dvb_filter_pes2ts_init(&dec->v_pes2ts, dec->pid[DMX_PES_VIDEO],
+ dvb_filter_pes2ts_init(&dec->v_pes2ts, dec->pid[DMX_PES_VIDEO],
ttusb_dec_video_pes2ts_cb, dec);
dec->v_pes_length = 0;
dec->v_pes_postbytes = 0;
case 0x01: { /* VideoStream */
int prebytes = pva[5] & 0x03;
int postbytes = (pva[5] & 0x0c) >> 2;
- u16 v_pes_payload_length;
+ u16 v_pes_payload_length;
if (output_pva) {
dec->video_filter->feed->cb.ts(pva, length, NULL, 0,
return;
}
- if (dec->v_pes_postbytes > 0 &&
- dec->v_pes_postbytes == prebytes) {
- memcpy(&dec->v_pes[dec->v_pes_length],
+ if (dec->v_pes_postbytes > 0 &&
+ dec->v_pes_postbytes == prebytes) {
+ memcpy(&dec->v_pes[dec->v_pes_length],
&pva[12], prebytes);
- dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes,
+ dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes,
dec->v_pes_length + prebytes, 1);
- }
+ }
if (pva[5] & 0x10) {
- dec->v_pes[7] = 0x80;
- dec->v_pes[8] = 0x05;
+ dec->v_pes[7] = 0x80;
+ dec->v_pes[8] = 0x05;
dec->v_pes[9] = 0x21 | ((pva[8] & 0xc0) >> 5);
dec->v_pes[10] = ((pva[8] & 0x3f) << 2) |
((pva[9] & 0xc0) >> 6);
- dec->v_pes[11] = 0x01 |
+ dec->v_pes[11] = 0x01 |
((pva[9] & 0x3f) << 2) |
((pva[10] & 0x80) >> 6);
dec->v_pes[12] = ((pva[10] & 0x7f) << 1) |
memcpy(&dec->v_pes[14], &pva[12 + prebytes],
length - 12 - prebytes);
dec->v_pes_length = 14 + length - 12 - prebytes;
- } else {
- dec->v_pes[7] = 0x00;
- dec->v_pes[8] = 0x00;
+ } else {
+ dec->v_pes[7] = 0x00;
+ dec->v_pes[8] = 0x00;
memcpy(&dec->v_pes[9], &pva[8], length - 8);
dec->v_pes_length = 9 + length - 8;
- }
+ }
- dec->v_pes_postbytes = postbytes;
+ dec->v_pes_postbytes = postbytes;
- if (dec->v_pes[9 + dec->v_pes[8]] == 0x00 &&
- dec->v_pes[10 + dec->v_pes[8]] == 0x00 &&
- dec->v_pes[11 + dec->v_pes[8]] == 0x01)
- dec->v_pes[6] = 0x84;
- else
- dec->v_pes[6] = 0x80;
+ if (dec->v_pes[9 + dec->v_pes[8]] == 0x00 &&
+ dec->v_pes[10 + dec->v_pes[8]] == 0x00 &&
+ dec->v_pes[11 + dec->v_pes[8]] == 0x01)
+ dec->v_pes[6] = 0x84;
+ else
+ dec->v_pes[6] = 0x80;
- v_pes_payload_length = htons(dec->v_pes_length - 6 +
- postbytes);
- memcpy(&dec->v_pes[4], &v_pes_payload_length, 2);
+ v_pes_payload_length = htons(dec->v_pes_length - 6 +
+ postbytes);
+ memcpy(&dec->v_pes[4], &v_pes_payload_length, 2);
- if (postbytes == 0)
- dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes,
- dec->v_pes_length, 1);
+ if (postbytes == 0)
+ dvb_filter_pes2ts(&dec->v_pes2ts, dec->v_pes,
+ dec->v_pes_length, 1);
- break;
- }
+ break;
+ }
case 0x02: /* MainAudioStream */
if (output_pva) {
case TTUSB_DEC_PACKET_PVA:
if (dec->pva_stream_count)
ttusb_dec_process_pva(dec, dec->packet,
- dec->packet_payload_length);
+ dec->packet_payload_length);
break;
case TTUSB_DEC_PACKET_SECTION:
}
}
-static void ttusb_dec_process_urb_frame(struct ttusb_dec * dec, u8 * b,
+static void ttusb_dec_process_urb_frame(struct ttusb_dec *dec, u8 *b,
int length)
{
swap_bytes(b, length);
TTUSB_DEC_PACKET_EMPTY;
dec->packet_payload_length = 2;
dec->packet_state = 7;
- } else {
+ } else {
printk("%s: unknown packet type: "
"%02x%02x\n", __FUNCTION__,
dec->packet[0], dec->packet[1]);
int remainder = dec->packet_payload_length -
dec->packet_length;
- if (length >= remainder) {
+ if (length >= remainder) {
memcpy(dec->packet + dec->packet_length,
- b, remainder);
+ b, remainder);
dec->packet_length += remainder;
- b += remainder;
- length -= remainder;
+ b += remainder;
+ length -= remainder;
dec->packet_state++;
- } else {
+ } else {
memcpy(&dec->packet[dec->packet_length],
- b, length);
+ b, length);
dec->packet_length += length;
- length = 0;
- }
-
- break;
+ length = 0;
}
+ break;
+ }
+
case 7: {
int tail = 4;
for (i = 0; i < FRAMES_PER_ISO_BUF; i++) {
struct usb_iso_packet_descriptor *d;
-
u8 *b;
int length;
struct urb_frame *frame;
b, NULL, NULL);
if (result)
return result;
- result = usb_set_interface(dec->udev, 0, 7);
+ result = usb_set_interface(dec->udev, 0, 8);
break;
case TTUSB_DEC_INTERFACE_OUT:
result = usb_set_interface(dec->udev, 0, 1);
ISO_FRAME_SIZE *
(FRAMES_PER_ISO_BUF *
ISO_BUF_COUNT),
- &dec->iso_dma_handle);
+ &dec->iso_dma_handle);
memset(dec->iso_buffer, 0,
ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT));
(unsigned long)dec);
}
+static void ttusb_init_rc( struct ttusb_dec *dec)
+{
+ u8 b[] = { 0x00, 0x01 };
+ int i;
+
+ init_input_dev(&dec->rc_input_dev);
+
+ dec->rc_input_dev.name = "ttusb_dec remote control";
+ dec->rc_input_dev.evbit[0] = BIT(EV_KEY);
+ dec->rc_input_dev.keycodesize = sizeof(u16);
+ dec->rc_input_dev.keycodemax = 0x1a;
+ dec->rc_input_dev.keycode = rc_keys;
+
+ for (i = 0; i < sizeof(rc_keys)/sizeof(rc_keys[0]); i++)
+ set_bit(rc_keys[i], dec->rc_input_dev.keybit);
+
+ input_register_device(&dec->rc_input_dev);
+
+ if(usb_submit_urb(dec->irq_urb,GFP_KERNEL)) {
+ printk("%s: usb_submit_urb failed\n",__FUNCTION__);
+ }
+ /* enable irq pipe */
+ ttusb_dec_send_command(dec,0xb0,sizeof(b),b,NULL,NULL);
+}
+
static void ttusb_dec_init_v_pes(struct ttusb_dec *dec)
{
dprintk("%s\n", __FUNCTION__);
dec->v_pes[3] = 0xe0;
}
-static void ttusb_dec_init_usb(struct ttusb_dec *dec)
+static int ttusb_dec_init_usb(struct ttusb_dec *dec)
{
dprintk("%s\n", __FUNCTION__);
dec->result_pipe = usb_rcvbulkpipe(dec->udev, RESULT_PIPE);
dec->in_pipe = usb_rcvisocpipe(dec->udev, IN_PIPE);
dec->out_pipe = usb_sndisocpipe(dec->udev, OUT_PIPE);
+ dec->irq_pipe = usb_rcvintpipe(dec->udev, IRQ_PIPE);
- ttusb_dec_alloc_iso_urbs(dec);
+ if(enable_rc) {
+ dec->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if(!dec->irq_urb) {
+ return -ENOMEM;
+ }
+ dec->irq_buffer = usb_buffer_alloc(dec->udev,IRQ_PACKET_SIZE,
+ SLAB_ATOMIC, &dec->irq_dma_handle);
+ if(!dec->irq_buffer) {
+ return -ENOMEM;
+ }
+ usb_fill_int_urb(dec->irq_urb, dec->udev,dec->irq_pipe,
+ dec->irq_buffer, IRQ_PACKET_SIZE,
+ ttusb_dec_handle_irq, dec, 1);
+ dec->irq_urb->transfer_dma = dec->irq_dma_handle;
+ dec->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ }
+
+ return ttusb_dec_alloc_iso_urbs(dec);
}
static int ttusb_dec_boot_dsp(struct ttusb_dec *dec)
if (j >= ARM_PACKET_SIZE) {
result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
ARM_PACKET_SIZE, &actual_len,
- HZ / 10);
+ 100);
j = 0;
} else if (size < COMMAND_PACKET_SIZE) {
result = usb_bulk_msg(dec->udev, dec->command_pipe, b,
j - COMMAND_PACKET_SIZE + size,
- &actual_len, HZ / 10);
+ &actual_len, 100);
}
}
result = ttusb_dec_boot_dsp(dec);
if (result)
return result;
- else
+ else
return 1;
} else {
/* We can't trust the USB IDs that some firmwares
dec->can_playback = 1;
return 0;
- }
+ }
}
else
return result;
printk("%s: dvb_dmx_init failed: error %d\n", __FUNCTION__,
result);
- dvb_unregister_adapter(dec->adapter);
+ dvb_unregister_adapter(&dec->adapter);
return result;
}
dec->dmxdev.demux = &dec->demux.dmx;
dec->dmxdev.capabilities = 0;
- if ((result = dvb_dmxdev_init(&dec->dmxdev, dec->adapter)) < 0) {
+ if ((result = dvb_dmxdev_init(&dec->dmxdev, &dec->adapter)) < 0) {
printk("%s: dvb_dmxdev_init failed: error %d\n",
__FUNCTION__, result);
dvb_dmx_release(&dec->demux);
- dvb_unregister_adapter(dec->adapter);
+ dvb_unregister_adapter(&dec->adapter);
return result;
}
dvb_dmxdev_release(&dec->dmxdev);
dvb_dmx_release(&dec->demux);
- dvb_unregister_adapter(dec->adapter);
+ dvb_unregister_adapter(&dec->adapter);
return result;
}
dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend);
dvb_dmxdev_release(&dec->dmxdev);
dvb_dmx_release(&dec->demux);
- dvb_unregister_adapter(dec->adapter);
+ dvb_unregister_adapter(&dec->adapter);
return result;
}
- dvb_net_init(dec->adapter, &dec->dvb_net, &dec->demux.dmx);
+ dvb_net_init(&dec->adapter, &dec->dvb_net, &dec->demux.dmx);
return 0;
}
dvb_dmxdev_release(&dec->dmxdev);
dvb_dmx_release(&dec->demux);
if (dec->fe) dvb_unregister_frontend(dec->fe);
- dvb_unregister_adapter(dec->adapter);
+ dvb_unregister_adapter(&dec->adapter);
}
+static void ttusb_dec_exit_rc(struct ttusb_dec *dec)
+{
+
+ dprintk("%s\n", __FUNCTION__);
+ /* we have to check whether the irq URB is already submitted.
+ * As the irq is submitted after the interface is changed,
+ * this is the best method i figured out.
+ * Any others?*/
+ if(dec->interface == TTUSB_DEC_INTERFACE_IN)
+ usb_kill_urb(dec->irq_urb);
+
+ usb_free_urb(dec->irq_urb);
+
+ usb_buffer_free(dec->udev,IRQ_PACKET_SIZE,
+ dec->irq_buffer, dec->irq_dma_handle);
+
+ input_unregister_device(&dec->rc_input_dev);
+}
+
+
static void ttusb_dec_exit_usb(struct ttusb_dec *dec)
{
int i;
}
}
-int fe_send_command(struct dvb_frontend* fe, const u8 command,
- int param_length, const u8 params[],
- int *result_length, u8 cmd_result[])
+static int fe_send_command(struct dvb_frontend* fe, const u8 command,
+ int param_length, const u8 params[],
+ int *result_length, u8 cmd_result[])
{
struct ttusb_dec* dec = (struct ttusb_dec*) fe->dvb->priv;
return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result);
}
-struct ttusbdecfe_config fe_config = {
+static struct ttusbdecfe_config fe_config = {
.send_command = fe_send_command
};
memset(dec, 0, sizeof(struct ttusb_dec));
switch (le16_to_cpu(id->idProduct)) {
- case 0x1006:
+ case 0x1006:
ttusb_dec_set_model(dec, TTUSB_DEC3000S);
- break;
+ break;
- case 0x1008:
+ case 0x1008:
ttusb_dec_set_model(dec, TTUSB_DEC2000T);
break;
case 0x1009:
ttusb_dec_set_model(dec, TTUSB_DEC2540T);
- break;
+ break;
}
dec->udev = udev;
- ttusb_dec_init_usb(dec);
+ if (ttusb_dec_init_usb(dec))
+ return 0;
if (ttusb_dec_init_stb(dec)) {
ttusb_dec_exit_usb(dec);
return 0;
}
ttusb_dec_init_dvb(dec);
- dec->adapter->priv = dec;
+ dec->adapter.priv = dec;
switch (le16_to_cpu(id->idProduct)) {
case 0x1006:
dec->fe = ttusbdecfe_dvbs_attach(&fe_config);
le16_to_cpu(dec->udev->descriptor.idVendor),
le16_to_cpu(dec->udev->descriptor.idProduct));
} else {
- if (dvb_register_frontend(dec->adapter, dec->fe)) {
+ if (dvb_register_frontend(&dec->adapter, dec->fe)) {
printk("budget-ci: Frontend registration failed!\n");
if (dec->fe->ops->release)
dec->fe->ops->release(dec->fe);
ttusb_dec_set_interface(dec, TTUSB_DEC_INTERFACE_IN);
+ if(enable_rc)
+ ttusb_init_rc(dec);
+
return 0;
}
dprintk("%s\n", __FUNCTION__);
if (dec->active) {
- ttusb_dec_exit_tasklet(dec);
+ ttusb_dec_exit_tasklet(dec);
ttusb_dec_exit_filters(dec);
- ttusb_dec_exit_usb(dec);
- ttusb_dec_exit_dvb(dec);
+ if(enable_rc)
+ ttusb_dec_exit_rc(dec);
+ ttusb_dec_exit_usb(dec);
+ ttusb_dec_exit_dvb(dec);
}
kfree(dec);
static struct usb_driver ttusb_dec_driver = {
.name = "ttusb-dec",
- .probe = ttusb_dec_probe,
- .disconnect = ttusb_dec_disconnect,
- .id_table = ttusb_dec_table,
+ .probe = ttusb_dec_probe,
+ .disconnect = ttusb_dec_disconnect,
+ .id_table = ttusb_dec_table,
};
static int __init ttusb_dec_init(void)
MODULE_DESCRIPTION(DRIVER_NAME);
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(usb, ttusb_dec_table);
-