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authorMauro Carvalho Chehab2012-08-14 05:13:22 +0200
committerMauro Carvalho Chehab2012-08-15 21:25:07 +0200
commit0c0d06cac63ee327ceaab4b5ffe2206574ab86bd (patch)
treee759f0dc3185d97f2a0c6b5cd5e32ea6faa74d40 /drivers/media/video/pvrusb2/pvrusb2-eeprom.c
parent[media] b2c2: fix driver's build due to the lack of pci DMA code (diff)
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[media] rename most media/video usb drivers to media/usb
Rename all USB drivers with their own directory under drivers/media/video into drivers/media/usb and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-eeprom.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-eeprom.c164
1 files changed, 0 insertions, 164 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-eeprom.c b/drivers/media/video/pvrusb2/pvrusb2-eeprom.c
deleted file mode 100644
index 9515f3a68f8f..000000000000
--- a/drivers/media/video/pvrusb2/pvrusb2-eeprom.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- *
- *
- * Copyright (C) 2005 Mike Isely <isely@pobox.com>
- * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
- *
- * 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; either version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/slab.h>
-#include "pvrusb2-eeprom.h"
-#include "pvrusb2-hdw-internal.h"
-#include "pvrusb2-debug.h"
-
-#define trace_eeprom(...) pvr2_trace(PVR2_TRACE_EEPROM,__VA_ARGS__)
-
-
-
-/*
-
- Read and analyze data in the eeprom. Use tveeprom to figure out
- the packet structure, since this is another Hauppauge device and
- internally it has a family resemblance to ivtv-type devices
-
-*/
-
-#include <media/tveeprom.h>
-
-/* We seem to only be interested in the last 128 bytes of the EEPROM */
-#define EEPROM_SIZE 128
-
-/* Grab EEPROM contents, needed for direct method. */
-static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
-{
- struct i2c_msg msg[2];
- u8 *eeprom;
- u8 iadd[2];
- u8 addr;
- u16 eepromSize;
- unsigned int offs;
- int ret;
- int mode16 = 0;
- unsigned pcnt,tcnt;
- eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
- if (!eeprom) {
- pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "Failed to allocate memory"
- " required to read eeprom");
- return NULL;
- }
-
- trace_eeprom("Value for eeprom addr from controller was 0x%x",
- hdw->eeprom_addr);
- addr = hdw->eeprom_addr;
- /* Seems that if the high bit is set, then the *real* eeprom
- address is shifted right now bit position (noticed this in
- newer PVR USB2 hardware) */
- if (addr & 0x80) addr >>= 1;
-
- /* FX2 documentation states that a 16bit-addressed eeprom is
- expected if the I2C address is an odd number (yeah, this is
- strange but it's what they do) */
- mode16 = (addr & 1);
- eepromSize = (mode16 ? 4096 : 256);
- trace_eeprom("Examining %d byte eeprom at location 0x%x"
- " using %d bit addressing",eepromSize,addr,
- mode16 ? 16 : 8);
-
- msg[0].addr = addr;
- msg[0].flags = 0;
- msg[0].len = mode16 ? 2 : 1;
- msg[0].buf = iadd;
- msg[1].addr = addr;
- msg[1].flags = I2C_M_RD;
-
- /* We have to do the actual eeprom data fetch ourselves, because
- (1) we're only fetching part of the eeprom, and (2) if we were
- getting the whole thing our I2C driver can't grab it in one
- pass - which is what tveeprom is otherwise going to attempt */
- memset(eeprom,0,EEPROM_SIZE);
- for (tcnt = 0; tcnt < EEPROM_SIZE; tcnt += pcnt) {
- pcnt = 16;
- if (pcnt + tcnt > EEPROM_SIZE) pcnt = EEPROM_SIZE-tcnt;
- offs = tcnt + (eepromSize - EEPROM_SIZE);
- if (mode16) {
- iadd[0] = offs >> 8;
- iadd[1] = offs;
- } else {
- iadd[0] = offs;
- }
- msg[1].len = pcnt;
- msg[1].buf = eeprom+tcnt;
- if ((ret = i2c_transfer(&hdw->i2c_adap,
- msg,ARRAY_SIZE(msg))) != 2) {
- pvr2_trace(PVR2_TRACE_ERROR_LEGS,
- "eeprom fetch set offs err=%d",ret);
- kfree(eeprom);
- return NULL;
- }
- }
- return eeprom;
-}
-
-
-/* Directly call eeprom analysis function within tveeprom. */
-int pvr2_eeprom_analyze(struct pvr2_hdw *hdw)
-{
- u8 *eeprom;
- struct tveeprom tvdata;
-
- memset(&tvdata,0,sizeof(tvdata));
-
- eeprom = pvr2_eeprom_fetch(hdw);
- if (!eeprom) return -EINVAL;
-
- {
- struct i2c_client fake_client;
- /* Newer version expects a useless client interface */
- fake_client.addr = hdw->eeprom_addr;
- fake_client.adapter = &hdw->i2c_adap;
- tveeprom_hauppauge_analog(&fake_client,&tvdata,eeprom);
- }
-
- trace_eeprom("eeprom assumed v4l tveeprom module");
- trace_eeprom("eeprom direct call results:");
- trace_eeprom("has_radio=%d",tvdata.has_radio);
- trace_eeprom("tuner_type=%d",tvdata.tuner_type);
- trace_eeprom("tuner_formats=0x%x",tvdata.tuner_formats);
- trace_eeprom("audio_processor=%d",tvdata.audio_processor);
- trace_eeprom("model=%d",tvdata.model);
- trace_eeprom("revision=%d",tvdata.revision);
- trace_eeprom("serial_number=%d",tvdata.serial_number);
- trace_eeprom("rev_str=%s",tvdata.rev_str);
- hdw->tuner_type = tvdata.tuner_type;
- hdw->tuner_updated = !0;
- hdw->serial_number = tvdata.serial_number;
- hdw->std_mask_eeprom = tvdata.tuner_formats;
-
- kfree(eeprom);
-
- return 0;
-}
-
-/*
- Stuff for Emacs to see, in order to encourage consistent editing style:
- *** Local Variables: ***
- *** mode: c ***
- *** fill-column: 70 ***
- *** tab-width: 8 ***
- *** c-basic-offset: 8 ***
- *** End: ***
- */