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From: Stefan Ringel <stefan.ringel@arcor.de>
To: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: linux-media@vger.kernel.org,
	Devin Heitmueller <dheitmueller@kernellabs.com>
Subject: [PATCH 6/15] -  tm6000 bugfix usb transfer in DVB mode
Date: Wed, 03 Feb 2010 21:20:39 +0100	[thread overview]
Message-ID: <4B69DA97.5040101@arcor.de> (raw)
In-Reply-To: <4B69D8CC.2030008@arcor.de>

signed-off-by: Stefan Ringel <stefan.ringel@arcor.de>

--- a/drivers/staging/tm6000/tm6000-dvb.c
+++ b/drivers/staging/tm6000/tm6000-dvb.c
@@ -17,7 +17,9 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/kernel.h>
 #include <linux/usb.h>
+#include <compat.h>
 
 #include "tm6000.h"
 #include "tm6000-regs.h"
@@ -30,17 +32,61 @@
 
 #include "tuner-xc2028.h"
 
+static void inline print_err_status (struct tm6000_core *dev,
+                     int packet, int status)
+{
+    char *errmsg = "Unknown";
+
+    switch(status) {
+    case -ENOENT:
+        errmsg = "unlinked synchronuously";
+        break;
+    case -ECONNRESET:
+        errmsg = "unlinked asynchronuously";
+        break;
+    case -ENOSR:
+        errmsg = "Buffer error (overrun)";
+        break;
+    case -EPIPE:
+        errmsg = "Stalled (device not responding)";
+        break;
+    case -EOVERFLOW:
+        errmsg = "Babble (bad cable?)";
+        break;
+    case -EPROTO:
+        errmsg = "Bit-stuff error (bad cable?)";
+        break;
+    case -EILSEQ:
+        errmsg = "CRC/Timeout (could be anything)";
+        break;
+    case -ETIME:
+        errmsg = "Device does not respond";
+        break;
+    }
+    if (packet<0) {
+        dprintk(dev, 1, "URB status %d [%s].\n",
+            status, errmsg);
+    } else {
+        dprintk(dev, 1, "URB packet %d, status %d [%s].\n",
+            packet, status, errmsg);
+    }
+}
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
+static void tm6000_urb_received(struct urb *urb, struct pt_regs *ptregs)
+#else
 static void tm6000_urb_received(struct urb *urb)
+#endif
 {
     int ret;
     struct tm6000_core* dev = urb->context;
 
-    if(urb->status != 0){
-        printk(KERN_ERR "tm6000: status != 0\n");
+    if(urb->status != 0) {
+        print_err_status (dev,0,urb->status);
     }
     else if(urb->actual_length>0){
-        dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
-                           urb->actual_length);
+        dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,
urb->actual_length);
     }
 
     if(dev->dvb->streams > 0) {
@@ -56,49 +102,37 @@ static void tm6000_urb_received(struct urb *urb)
 int tm6000_start_stream(struct tm6000_core *dev)
 {
     int ret;
-    unsigned int pipe, maxPaketSize;
+    unsigned int pipe, size;
     struct tm6000_dvb *dvb = dev->dvb;
 
     printk(KERN_INFO "tm6000: got start stream request %s\n",__FUNCTION__);
 
     tm6000_init_digital_mode(dev);
 
-/*
-    ret = tm6000_set_led_status(tm6000_dev, 0x1);
-    if(ret < 0) {
-        return -1;
-    }
-*/
-
     dvb->bulk_urb = usb_alloc_urb(0, GFP_KERNEL);
     if(dvb->bulk_urb == NULL) {
         printk(KERN_ERR "tm6000: couldn't allocate urb\n");
         return -ENOMEM;
     }
 
-    maxPaketSize = dev->bulk_in->desc.wMaxPacketSize;
+    pipe = usb_rcvbulkpipe(dev->udev, dev->bulk_in->desc.bEndpointAddress
+                              & USB_ENDPOINT_NUMBER_MASK);
+                             
+    size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
+    size = size * 15; // 512 x 8 or 12 or 15
 
-    dvb->bulk_urb->transfer_buffer = kzalloc(maxPaketSize, GFP_KERNEL);
+    dvb->bulk_urb->transfer_buffer = kzalloc(size, GFP_KERNEL);
     if(dvb->bulk_urb->transfer_buffer == NULL) {
         usb_free_urb(dvb->bulk_urb);
         printk(KERN_ERR "tm6000: couldn't allocate transfer buffer!\n");
         return -ENOMEM;
     }
-
-    pipe = usb_rcvbulkpipe(dev->udev, dev->bulk_in->desc.bEndpointAddress
-                              & USB_ENDPOINT_NUMBER_MASK);
-
+   
     usb_fill_bulk_urb(dvb->bulk_urb, dev->udev, pipe,
                          dvb->bulk_urb->transfer_buffer,
-                         maxPaketSize,
+                         size,
                          tm6000_urb_received, dev);
 
-    ret = usb_set_interface(dev->udev, 0, 1);
-    if(ret < 0) {
-        printk(KERN_ERR "tm6000: error %i in %s during set
interface\n", ret, __FUNCTION__);
-        return ret;
-    }
-
     ret = usb_clear_halt(dev->udev, pipe);
     if(ret < 0) {
         printk(KERN_ERR "tm6000: error %i in %s during pipe
reset\n",ret,__FUNCTION__);
@@ -107,15 +141,14 @@ int tm6000_start_stream(struct tm6000_core *dev)
     else {
         printk(KERN_ERR "tm6000: pipe resetted\n");
     }
-
-//     mutex_lock(&tm6000_driver.open_close_mutex);
+   
+/*    mutex_lock(&tm6000_driver.open_close_mutex); */
     ret = usb_submit_urb(dvb->bulk_urb, GFP_KERNEL);
 
-
-//     mutex_unlock(&tm6000_driver.open_close_mutex);
+/*    mutex_unlock(&tm6000_driver.open_close_mutex); */
     if (ret) {
         printk(KERN_ERR "tm6000: submit of urb failed (error=%i)\n",ret);
-
+       
         kfree(dvb->bulk_urb->transfer_buffer);
         usb_free_urb(dvb->bulk_urb);
         return ret;
@@ -126,18 +159,12 @@ int tm6000_start_stream(struct tm6000_core *dev)
 
 void tm6000_stop_stream(struct tm6000_core *dev)
 {
-    int ret;
     struct tm6000_dvb *dvb = dev->dvb;
 
-//     tm6000_set_led_status(tm6000_dev, 0x0);
-
-    ret = usb_set_interface(dev->udev, 0, 0);
-    if(ret < 0) {
-        printk(KERN_ERR "tm6000: error %i in %s during set
interface\n",ret,__FUNCTION__);
-    }
-
     if(dvb->bulk_urb) {
+        printk (KERN_INFO "urb killing\n");
         usb_kill_urb(dvb->bulk_urb);
+        printk (KERN_INFO "urb buffer free\n");
         kfree(dvb->bulk_urb->transfer_buffer);
         usb_free_urb(dvb->bulk_urb);
         dvb->bulk_urb = NULL;
@@ -154,7 +181,7 @@ int tm6000_start_feed(struct dvb_demux_feed *feed)
     mutex_lock(&dvb->mutex);
     if(dvb->streams == 0) {
         dvb->streams = 1;
-//         mutex_init(&tm6000_dev->streaming_mutex);
+/*        mutex_init(&tm6000_dev->streaming_mutex); */
         tm6000_start_stream(dev);
     }
     else {
@@ -173,14 +200,17 @@ int tm6000_stop_feed(struct dvb_demux_feed *feed) {
     printk(KERN_INFO "tm6000: got stop feed request %s\n",__FUNCTION__);
 
     mutex_lock(&dvb->mutex);
-    --dvb->streams;
 
-    if(0 == dvb->streams) {
+    printk (KERN_INFO "stream %#x\n", dvb->streams);
+    --(dvb->streams);
+    if(dvb->streams == 0) {
+        printk (KERN_INFO "stop stream\n");
         tm6000_stop_stream(dev);
-//         mutex_destroy(&tm6000_dev->streaming_mutex);
+/*        mutex_destroy(&tm6000_dev->streaming_mutex); */
     }
+   
     mutex_unlock(&dvb->mutex);
-//     mutex_destroy(&tm6000_dev->streaming_mutex);
+/*    mutex_destroy(&tm6000_dev->streaming_mutex); */
 
     return 0;
 }
@@ -191,13 +221,16 @@ int tm6000_dvb_attach_frontend(struct tm6000_core
*dev)
 
     if(dev->caps.has_zl10353) {
         struct zl10353_config config =
-                    {.demod_address = dev->demod_addr >> 1,
+                    {.demod_address = dev->demod_addr,
                      .no_tuner = 1,
-//                      .input_frequency = 0x19e9,
-//                      .r56_agc_targets =  0x1c,
+                     .parallel_ts = 1,
+                     .if2 = 45700,
+                     .disable_i2c_gate_ctrl = 1,
+                     .tm6000 = 1,
                     };
 
         dvb->frontend = pseudo_zl10353_attach(dev, &config,
+/*        dvb->frontend = dvb_attach (zl10353_attach, &config, */
                                &dev->i2c_adap);
     }
     else {
@@ -258,8 +292,8 @@ int tm6000_dvb_register(struct tm6000_core *dev)
     dvb->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING
                                 | DMX_MEMORY_BASED_FILTERING;
     dvb->demux.priv = dev;
-    dvb->demux.filternum = 256;
-    dvb->demux.feednum = 256;
+    dvb->demux.filternum = 5; /* 256; */
+    dvb->demux.feednum = 5; /* 256; */
     dvb->demux.start_feed = tm6000_start_feed;
     dvb->demux.stop_feed = tm6000_stop_feed;
     dvb->demux.write_to_decoder = NULL;
@@ -307,7 +341,7 @@ void tm6000_dvb_unregister(struct tm6000_core *dev)
         usb_free_urb(bulk_urb);
     }
 
-//     mutex_lock(&tm6000_driver.open_close_mutex);
+/*    mutex_lock(&tm6000_driver.open_close_mutex); */
     if(dvb->frontend) {
         dvb_frontend_detach(dvb->frontend);
         dvb_unregister_frontend(dvb->frontend);
@@ -317,6 +351,6 @@ void tm6000_dvb_unregister(struct tm6000_core *dev)
     dvb_dmx_release(&dvb->demux);
     dvb_unregister_adapter(&dvb->adapter);
     mutex_destroy(&dvb->mutex);
-//     mutex_unlock(&tm6000_driver.open_close_mutex);
+/*    mutex_unlock(&tm6000_driver.open_close_mutex); */
 
 }

-- 
Stefan Ringel <stefan.ringel@arcor.de>


  parent reply	other threads:[~2010-02-03 20:21 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-01 20:20 [PATCH] - tm6000 DVB support Stefan Ringel
2010-02-01 20:35 ` Stefan Ringel
2010-02-01 20:52   ` Devin Heitmueller
2010-02-01 21:23     ` Stefan Ringel
2010-02-01 21:44       ` Devin Heitmueller
2010-02-01 22:00         ` Stefan Ringel
2010-02-01 23:05           ` Mauro Carvalho Chehab
2010-02-02 16:14             ` Stefan Ringel
2010-02-02 16:44               ` Mauro Carvalho Chehab
2010-02-02 17:38                 ` Stefan Ringel
2010-02-02 20:05                   ` Mauro Carvalho Chehab
2010-02-01 22:52   ` Mauro Carvalho Chehab
2010-02-02 17:24     ` Stefan Ringel
2010-02-02 20:03       ` Mauro Carvalho Chehab
2010-02-02 20:19         ` Stefan Ringel
2010-02-02 20:30           ` Mauro Carvalho Chehab
2010-02-02 20:42         ` Stefan Ringel
2010-02-02 20:52           ` Mauro Carvalho Chehab
2010-02-02 21:11             ` Stefan Ringel
2010-02-03 20:10               ` [PATCH 1/15] - tm6000 build hunk Stefan Ringel
2010-02-03 20:13                 ` [PATCH 2/15] - tm6000 add Terratec Cinergy Hybrid XE Stefan Ringel
2010-02-03 20:15                   ` [PATCH 3/15] - tm6000 bugfix hunk in init_dev Stefan Ringel
2010-02-03 20:22                     ` Mauro Carvalho Chehab
2010-02-03 20:16                   ` [PATCH 4/15] - tm6000.h Stefan Ringel
2010-02-03 20:25                     ` Mauro Carvalho Chehab
2010-02-03 20:50                       ` Stefan Ringel
2010-02-03 20:58                         ` Devin Heitmueller
2010-02-03 21:31                         ` Mauro Carvalho Chehab
2010-02-03 20:18                   ` [PATCH 5/15] - tm6000 bugfix i2c transfer Stefan Ringel
2010-02-03 20:18                   ` [PATCH 2/15] - tm6000 add Terratec Cinergy Hybrid XE Mauro Carvalho Chehab
2010-02-03 20:20                   ` Stefan Ringel [this message]
2010-02-03 20:22                   ` [PATCH 7/15] - tm6000 Stefan Ringel
2010-02-03 20:23                   ` [PATCH 2/15] - tm6000 bugfix Stefan Ringel
2010-02-03 20:25                   ` [PATCH 9/15] - tm6000 analog digital switch Stefan Ringel
2010-02-03 20:40                     ` Mauro Carvalho Chehab
2010-02-03 20:55                       ` Stefan Ringel
2010-02-03 21:21                         ` Mauro Carvalho Chehab
2010-02-03 20:27                   ` [PATCH 2/15] - tm6000 add digital init for tm6010 Stefan Ringel
2010-02-03 20:29                   ` [PATCH 11/15] - tm6000 add " Stefan Ringel
2010-02-03 20:31                   ` [PATCH 12/15] - tm6000 bugfix tuner reset time and tuner param Stefan Ringel
2010-02-03 20:52                     ` Devin Heitmueller
2010-02-03 21:15                       ` Stefan Ringel
2010-02-03 20:36                   ` [PATCH 13/15] - xc2028 bugfix for firmware 3.6 -> Zarlink use without shift in DTV8 or DTV78 Stefan Ringel
2010-02-03 20:45                     ` Devin Heitmueller
2010-02-03 20:38                   ` [PATCH 14/15] - zl10353 Stefan Ringel
2010-02-03 20:49                     ` Devin Heitmueller
2010-02-03 21:07                       ` Stefan Ringel
2010-02-04  2:43                         ` Mauro Carvalho Chehab
2010-02-04 21:12                           ` Stefan Ringel
2010-02-05  0:06                             ` Mauro Carvalho Chehab
2010-02-03 20:40                   ` [PATCH 15/15] - tm6000 hack with different demodulator parameter Stefan Ringel
2010-02-03 20:47                     ` Devin Heitmueller
2010-02-03 20:16                 ` [PATCH 1/15] - tm6000 build hunk Mauro Carvalho Chehab
2010-02-03 20:17                 ` Devin Heitmueller
2010-02-03 21:48                 ` Stefan Ringel

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