V4L/DVB (4236): Rearrange things in pvrusb2 driver in preparation for using cx2341x module

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 66 insertions, 63 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index c1a2447d3ef7..e8ea472fe2d0 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -25,7 +25,6 @@
 #include <linux/firmware.h>
 #include <linux/videodev2.h>
 #include <asm/semaphore.h>
-#include <media/cx2341x.h>
 #include "pvrusb2.h"
 #include "pvrusb2-std.h"
 #include "pvrusb2-util.h"
@@ -131,6 +130,7 @@ MODULE_PARM_DESC(tolerance,"specify stream error tolerance");
 /* size of a firmware chunk */
 #define FIRMWARE_CHUNK_SIZE 0x2000
 
+
 static const char *control_values_srate[] = {
         [PVR2_CVAL_SRATE_48]   = "48KHz",
         [PVR2_CVAL_SRATE_44_1] = "44.1KHz",
@@ -467,6 +467,10 @@ VCREATE_FUNCS(balance)
 VCREATE_FUNCS(bass)
 VCREATE_FUNCS(treble)
 VCREATE_FUNCS(mute)
+VCREATE_FUNCS(input)
+VCREATE_FUNCS(audiomode)
+VCREATE_FUNCS(res_hor)
+VCREATE_FUNCS(res_ver)
 VCREATE_FUNCS(srate)
 VCREATE_FUNCS(audiobitrate)
 VCREATE_FUNCS(audiocrc)
@@ -474,10 +478,6 @@ VCREATE_FUNCS(audioemphasis)
 VCREATE_FUNCS(vbr)
 VCREATE_FUNCS(videobitrate)
 VCREATE_FUNCS(videopeak)
-VCREATE_FUNCS(input)
-VCREATE_FUNCS(audiomode)
-VCREATE_FUNCS(res_hor)
-VCREATE_FUNCS(res_ver)
 VCREATE_FUNCS(interlace)
 VCREATE_FUNCS(audiolayer)
 
@@ -550,6 +550,34 @@ static const struct pvr2_ctl_info control_defs[] = {
                 DEFREF(mute),
                 DEFINT(0,1),
         },{
+                .desc = "Video Source",
+                .name = "input",
+                .internal_id = PVR2_CID_INPUT,
+                .default_value = PVR2_CVAL_INPUT_TV,
+                DEFREF(input),
+                DEFENUM(control_values_input),
+        },{
+                .desc = "Audio Mode",
+                .name = "audio_mode",
+                .internal_id = PVR2_CID_AUDIOMODE,
+                .default_value = V4L2_TUNER_MODE_STEREO,
+                DEFREF(audiomode),
+                DEFENUM(control_values_audiomode),
+        },{
+                .desc = "Horizontal capture resolution",
+                .name = "resolution_hor",
+                .internal_id = PVR2_CID_HRES,
+                .default_value = 720,
+                DEFREF(res_hor),
+                DEFINT(320,720),
+        },{
+                .desc = "Vertical capture resolution",
+                .name = "resolution_ver",
+                .internal_id = PVR2_CID_VRES,
+                .default_value = 480,
+                DEFREF(res_ver),
+                DEFINT(200,625),
+        },{
                 .v4l_id = V4L2_CID_PVR_SRATE,
                 .desc = "Sample rate",
                 .name = "srate",
@@ -571,12 +599,6 @@ static const struct pvr2_ctl_info control_defs[] = {
                 DEFREF(audiocrc),
                 DEFINT(0,1),
         },{
-                .desc = "Audio Layer",
-                .name = "audio_layer",
-                .default_value = 2,
-                DEFREF(audiolayer),
-                DEFINT(0,3),
-        },{
                 .v4l_id = V4L2_CID_PVR_AUDIOEMPHASIS,
                 .desc = "Audio Emphasis",
                 .name = "audio_emphasis",
@@ -584,13 +606,6 @@ static const struct pvr2_ctl_info control_defs[] = {
                 DEFREF(audioemphasis),
                 DEFENUM(control_values_audioemphasis),
         },{
-                .desc = "Interlace mode",
-                .name = "interlace",
-                .internal_id = PVR2_CID_INTERLACE,
-                .default_value = 0,
-                DEFREF(interlace),
-                DEFINT(0,1),
-        },{
                 .v4l_id = V4L2_CID_PVR_VBR,
                 .desc = "Variable video bitrate",
                 .name = "vbr",
@@ -612,19 +627,18 @@ static const struct pvr2_ctl_info control_defs[] = {
                 DEFREF(videopeak),
                 DEFINT(500000,20000000),
         },{
-                .desc = "Video Source",
-                .name = "input",
-                .internal_id = PVR2_CID_INPUT,
-                .default_value = PVR2_CVAL_INPUT_TV,
-                DEFREF(input),
-                DEFENUM(control_values_input),
+                .desc = "Interlace mode",
+                .name = "interlace",
+                .internal_id = PVR2_CID_INTERLACE,
+                .default_value = 0,
+                DEFREF(interlace),
+                DEFINT(0,1),
         },{
-                .desc = "Audio Mode",
-                .name = "audio_mode",
-                .internal_id = PVR2_CID_AUDIOMODE,
-                .default_value = V4L2_TUNER_MODE_STEREO,
-                DEFREF(audiomode),
-                DEFENUM(control_values_audiomode),
+                .desc = "Audio Layer",
+                .name = "audio_layer",
+                .default_value = 2,
+                DEFREF(audiolayer),
+                DEFINT(0,3),
         },{
                 .desc = "Tuner Frequency (Hz)",
                 .name = "frequency",
@@ -654,20 +668,6 @@ static const struct pvr2_ctl_info control_defs[] = {
                 .get_value = ctrl_channelprog_get,
                 DEFINT(0,FREQTABLE_SIZE),
         },{
-                .desc = "Horizontal capture resolution",
-                .name = "resolution_hor",
-                .internal_id = PVR2_CID_HRES,
-                .default_value = 720,
-                DEFREF(res_hor),
-                DEFINT(320,720),
-        },{
-                .desc = "Vertical capture resolution",
-                .name = "resolution_ver",
-                .internal_id = PVR2_CID_VRES,
-                .default_value = 480,
-                DEFREF(res_ver),
-                DEFINT(200,625),
-        },{
                 .desc = "Streaming Enabled",
                 .name = "streaming_enabled",
                 .get_value = ctrl_streamingenabled_get,
@@ -731,7 +731,7 @@ static const struct pvr2_ctl_info control_defs[] = {
         }
 };
 
-#define CTRL_COUNT (sizeof(control_defs)/sizeof(control_defs[0]))
+#define CTRLDEF_COUNT (sizeof(control_defs)/sizeof(control_defs[0]))
 
 
 const char *pvr2_config_get_name(enum pvr2_config cfg)
@@ -1508,7 +1508,7 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
         pvr2_i2c_core_init(hdw);
         if (!pvr2_hdw_dev_ok(hdw)) return;
 
-        for (idx = 0; idx < CTRL_COUNT; idx++) {
+        for (idx = 0; idx < CTRLDEF_COUNT; idx++) {
                 cptr = hdw->controls + idx;
                 if (cptr->info->skip_init) continue;
                 if (!cptr->info->set_value) continue;
@@ -1665,19 +1665,21 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
         if (!hdw) goto fail;
         memset(hdw,0,sizeof(*hdw));
 
-        hdw->controls = kmalloc(sizeof(struct pvr2_ctrl) * CTRL_COUNT,
+        hdw->control_cnt = CTRLDEF_COUNT;
+        hdw->controls = kmalloc(sizeof(struct pvr2_ctrl) * hdw->control_cnt,
                                 GFP_KERNEL);
         if (!hdw->controls) goto fail;
-        memset(hdw->controls,0,sizeof(struct pvr2_ctrl) * CTRL_COUNT);
+        memset(hdw->controls,0,sizeof(struct pvr2_ctrl) * hdw->control_cnt);
         hdw->hdw_type = hdw_type;
-
+        for (idx = 0; idx < hdw->control_cnt; idx++) {
+                cptr = hdw->controls + idx;
+                cptr->hdw = hdw;
+        }
         for (idx = 0; idx < 32; idx++) {
                 hdw->std_mask_ptrs[idx] = hdw->std_mask_names[idx];
         }
-
-        for (idx = 0; idx < CTRL_COUNT; idx++) {
+        for (idx = 0; idx < CTRLDEF_COUNT; idx++) {
                 cptr = hdw->controls + idx;
-                cptr->hdw = hdw;
                 cptr->info = control_defs+idx;
         }
 
@@ -1846,7 +1848,7 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw)
                         unit_pointers[hdw->unit_number] = 0;
                 }
         } while (0); up(&pvr2_unit_sem);
-        kfree(hdw->controls);
+        if (hdw->controls) kfree(hdw->controls);
         if (hdw->std_defs) kfree(hdw->std_defs);
         if (hdw->std_enum_names) kfree(hdw->std_enum_names);
         kfree(hdw);
@@ -1952,7 +1954,7 @@ int pvr2_hdw_get_stdenum_value(struct pvr2_hdw *hdw,
 /* Get the number of defined controls */
 unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *hdw)
 {
-        return CTRL_COUNT;
+        return hdw->control_cnt;
 }
 
 
@@ -1960,7 +1962,7 @@ unsigned int pvr2_hdw_get_ctrl_count(struct pvr2_hdw *hdw)
 struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_index(struct pvr2_hdw *hdw,
                                              unsigned int idx)
 {
-        if (idx >= CTRL_COUNT) return 0;
+        if (idx >= hdw->control_cnt) return 0;
         return hdw->controls + idx;
 }
 
@@ -1974,7 +1976,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_by_id(struct pvr2_hdw *hdw,
         int i;
 
         /* This could be made a lot more efficient, but for now... */
-        for (idx = 0; idx < CTRL_COUNT; idx++) {
+        for (idx = 0; idx < hdw->control_cnt; idx++) {
                 cptr = hdw->controls + idx;
                 i = cptr->info->internal_id;
                 if (i && (i == ctl_id)) return cptr;
@@ -1991,7 +1993,7 @@ struct pvr2_ctrl *pvr2_hdw_get_ctrl_v4l(struct pvr2_hdw *hdw,unsigned int ctl_id
         int i;
 
         /* This could be made a lot more efficient, but for now... */
-        for (idx = 0; idx < CTRL_COUNT; idx++) {
+        for (idx = 0; idx < hdw->control_cnt; idx++) {
                 cptr = hdw->controls + idx;
                 i = cptr->info->v4l_id;
                 if (i && (i == ctl_id)) return cptr;
@@ -2029,7 +2031,7 @@ int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw)
         char buf[100];
         unsigned int bcnt,ccnt;
 
-        for (idx = 0; idx < CTRL_COUNT; idx++) {
+        for (idx = 0; idx < hdw->control_cnt; idx++) {
                 cptr = hdw->controls + idx;
                 if (cptr->info->is_dirty == 0) continue;
                 if (!cptr->info->is_dirty(cptr)) continue;
@@ -2080,30 +2082,31 @@ int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw)
         }
 
         if (hdw->std_dirty ||
-            hdw->res_ver_dirty ||
-            hdw->res_hor_dirty ||
             hdw->interlace_dirty ||
             hdw->vbr_dirty ||
             hdw->videobitrate_dirty ||
             hdw->videopeak_dirty ||
             hdw->audiobitrate_dirty ||
-            hdw->srate_dirty ||
             hdw->audiolayer_dirty ||
             hdw->audiocrc_dirty ||
-            hdw->audioemphasis_dirty) {
+            hdw->audioemphasis_dirty ||
+            hdw->srate_dirty ||
+            hdw->res_ver_dirty ||
+            hdw->res_hor_dirty) {
                 /* If any of this changes, then the encoder needs to be
                    reconfigured, and we need to reset the stream. */
                 stale_subsys_mask |= (1<<PVR2_SUBSYS_B_ENC_CFG);
                 stale_subsys_mask |= hdw->subsys_stream_mask;
         }
 
+
         /* Scan i2c core at this point - before we clear all the dirty
            bits.  Various parts of the i2c core will notice dirty bits as
            appropriate and arrange to broadcast or directly send updates to
            the client drivers in order to keep everything in sync */
         pvr2_i2c_core_check_stale(hdw);
 
-        for (idx = 0; idx < CTRL_COUNT; idx++) {
+        for (idx = 0; idx < hdw->control_cnt; idx++) {
                 cptr = hdw->controls + idx;
                 if (!cptr->info->clear_dirty) continue;
                 cptr->info->clear_dirty(cptr);