aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/usb/dvb-usb-v2/mxl111sf.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/mxl111sf.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/mxl111sf.c108
1 files changed, 55 insertions, 53 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.c b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
index efdcb15358f..c7304fa8ab7 100644
--- a/drivers/media/usb/dvb-usb-v2/mxl111sf.c
+++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2010 Michael Krufky (mkrufky@kernellabs.com)
+ * Copyright (C) 2010-2014 Michael Krufky (mkrufky@linuxtv.org)
*
* 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
@@ -23,6 +23,9 @@
#include "lgdt3305.h"
#include "lg2160.h"
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE 64
+
int dvb_usb_mxl111sf_debug;
module_param_named(debug, dvb_usb_mxl111sf_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debugging level "
@@ -52,20 +55,19 @@ MODULE_PARM_DESC(rfswitch, "force rf switch position (0=auto, 1=ext, 2=int).");
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
-#define deb_info pr_debug
-#define deb_reg pr_debug
-#define deb_adv pr_debug
-#define err pr_err
-#define info pr_info
-
int mxl111sf_ctrl_msg(struct dvb_usb_device *d,
u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
{
int wo = (rbuf == NULL || rlen == 0); /* write-only */
int ret;
- u8 sndbuf[1+wlen];
+ u8 sndbuf[MAX_XFER_SIZE];
+
+ if (1 + wlen > sizeof(sndbuf)) {
+ pr_warn("%s: len=%d is too big!\n", __func__, wlen);
+ return -EOPNOTSUPP;
+ }
- deb_adv("%s(wlen = %d, rlen = %d)\n", __func__, wlen, rlen);
+ pr_debug("%s(wlen = %d, rlen = %d)\n", __func__, wlen, rlen);
memset(sndbuf, 0, 1+wlen);
@@ -98,12 +100,12 @@ int mxl111sf_read_reg(struct mxl111sf_state *state, u8 addr, u8 *data)
if (buf[0] == addr)
*data = buf[1];
else {
- err("invalid response reading reg: 0x%02x != 0x%02x, 0x%02x",
+ pr_err("invalid response reading reg: 0x%02x != 0x%02x, 0x%02x",
addr, buf[0], buf[1]);
ret = -EINVAL;
}
- deb_reg("R: (0x%02x, 0x%02x)\n", addr, *data);
+ pr_debug("R: (0x%02x, 0x%02x)\n", addr, buf[1]);
fail:
return ret;
}
@@ -113,11 +115,11 @@ int mxl111sf_write_reg(struct mxl111sf_state *state, u8 addr, u8 data)
u8 buf[] = { addr, data };
int ret;
- deb_reg("W: (0x%02x, 0x%02x)\n", addr, data);
+ pr_debug("W: (0x%02x, 0x%02x)\n", addr, data);
ret = mxl111sf_ctrl_msg(state->d, MXL_CMD_REG_WRITE, buf, 2, NULL, 0);
if (mxl_fail(ret))
- err("error writing reg: 0x%02x, val: 0x%02x", addr, data);
+ pr_err("error writing reg: 0x%02x, val: 0x%02x", addr, data);
return ret;
}
@@ -134,7 +136,7 @@ int mxl111sf_write_reg_mask(struct mxl111sf_state *state,
#if 1
/* dont know why this usually errors out on the first try */
if (mxl_fail(ret))
- err("error writing addr: 0x%02x, mask: 0x%02x, "
+ pr_err("error writing addr: 0x%02x, mask: 0x%02x, "
"data: 0x%02x, retrying...", addr, mask, data);
ret = mxl111sf_read_reg(state, addr, &val);
@@ -167,7 +169,7 @@ int mxl111sf_ctrl_program_regs(struct mxl111sf_state *state,
ctrl_reg_info[i].mask,
ctrl_reg_info[i].data);
if (mxl_fail(ret)) {
- err("failed on reg #%d (0x%02x)", i,
+ pr_err("failed on reg #%d (0x%02x)", i,
ctrl_reg_info[i].addr);
break;
}
@@ -225,7 +227,7 @@ static int mxl1x1sf_get_chip_info(struct mxl111sf_state *state)
mxl_rev = "UNKNOWN REVISION";
break;
}
- info("%s detected, %s (0x%x)", mxl_chip, mxl_rev, ver);
+ pr_info("%s detected, %s (0x%x)", mxl_chip, mxl_rev, ver);
fail:
return ret;
}
@@ -239,7 +241,7 @@ fail:
" on first probe attempt"); \
___ret = mxl1x1sf_get_chip_info(state); \
if (mxl_fail(___ret)) \
- err("failed to get chip info during probe"); \
+ pr_err("failed to get chip info during probe"); \
else \
mxl_debug("probe needed a retry " \
"in order to succeed."); \
@@ -264,20 +266,20 @@ static int mxl111sf_adap_fe_init(struct dvb_frontend *fe)
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe->id];
int err;
- /* exit if we didnt initialize the driver yet */
+ /* exit if we didn't initialize the driver yet */
if (!state->chip_id) {
mxl_debug("driver not yet initialized, exit.");
goto fail;
}
- deb_info("%s()\n", __func__);
+ pr_debug("%s()\n", __func__);
mutex_lock(&state->fe_lock);
state->alt_mode = adap_state->alt_mode;
if (usb_set_interface(d->udev, 0, state->alt_mode) < 0)
- err("set interface failed");
+ pr_err("set interface failed");
err = mxl1x1sf_soft_reset(state);
mxl_fail(err);
@@ -320,13 +322,13 @@ static int mxl111sf_adap_fe_sleep(struct dvb_frontend *fe)
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe->id];
int err;
- /* exit if we didnt initialize the driver yet */
+ /* exit if we didn't initialize the driver yet */
if (!state->chip_id) {
mxl_debug("driver not yet initialized, exit.");
goto fail;
}
- deb_info("%s()\n", __func__);
+ pr_debug("%s()\n", __func__);
err = (adap_state->fe_sleep) ? adap_state->fe_sleep(fe) : 0;
@@ -344,7 +346,7 @@ static int mxl111sf_ep6_streaming_ctrl(struct dvb_frontend *fe, int onoff)
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe->id];
int ret = 0;
- deb_info("%s(%d)\n", __func__, onoff);
+ pr_debug("%s(%d)\n", __func__, onoff);
if (onoff) {
ret = mxl111sf_enable_usb_output(state);
@@ -368,7 +370,7 @@ static int mxl111sf_ep5_streaming_ctrl(struct dvb_frontend *fe, int onoff)
struct mxl111sf_state *state = fe_to_priv(fe);
int ret = 0;
- deb_info("%s(%d)\n", __func__, onoff);
+ pr_debug("%s(%d)\n", __func__, onoff);
if (onoff) {
ret = mxl111sf_enable_usb_output(state);
@@ -394,7 +396,7 @@ static int mxl111sf_ep4_streaming_ctrl(struct dvb_frontend *fe, int onoff)
struct mxl111sf_state *state = fe_to_priv(fe);
int ret = 0;
- deb_info("%s(%d)\n", __func__, onoff);
+ pr_debug("%s(%d)\n", __func__, onoff);
if (onoff) {
ret = mxl111sf_enable_usb_output(state);
@@ -424,7 +426,7 @@ static int mxl111sf_lgdt3305_frontend_attach(struct dvb_usb_adapter *adap, u8 fe
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe_id];
int ret;
- deb_adv("%s()\n", __func__);
+ pr_debug("%s()\n", __func__);
/* save a pointer to the dvb_usb_device in device state */
state->d = d;
@@ -432,7 +434,7 @@ static int mxl111sf_lgdt3305_frontend_attach(struct dvb_usb_adapter *adap, u8 fe
state->alt_mode = adap_state->alt_mode;
if (usb_set_interface(d->udev, 0, state->alt_mode) < 0)
- err("set interface failed");
+ pr_err("set interface failed");
state->gpio_mode = MXL111SF_GPIO_MOD_ATSC;
adap_state->gpio_mode = state->gpio_mode;
@@ -495,7 +497,7 @@ static int mxl111sf_lg2160_frontend_attach(struct dvb_usb_adapter *adap, u8 fe_i
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe_id];
int ret;
- deb_adv("%s()\n", __func__);
+ pr_debug("%s()\n", __func__);
/* save a pointer to the dvb_usb_device in device state */
state->d = d;
@@ -503,7 +505,7 @@ static int mxl111sf_lg2160_frontend_attach(struct dvb_usb_adapter *adap, u8 fe_i
state->alt_mode = adap_state->alt_mode;
if (usb_set_interface(d->udev, 0, state->alt_mode) < 0)
- err("set interface failed");
+ pr_err("set interface failed");
state->gpio_mode = MXL111SF_GPIO_MOD_MH;
adap_state->gpio_mode = state->gpio_mode;
@@ -580,7 +582,7 @@ static int mxl111sf_lg2161_frontend_attach(struct dvb_usb_adapter *adap, u8 fe_i
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe_id];
int ret;
- deb_adv("%s()\n", __func__);
+ pr_debug("%s()\n", __func__);
/* save a pointer to the dvb_usb_device in device state */
state->d = d;
@@ -588,7 +590,7 @@ static int mxl111sf_lg2161_frontend_attach(struct dvb_usb_adapter *adap, u8 fe_i
state->alt_mode = adap_state->alt_mode;
if (usb_set_interface(d->udev, 0, state->alt_mode) < 0)
- err("set interface failed");
+ pr_err("set interface failed");
state->gpio_mode = MXL111SF_GPIO_MOD_MH;
adap_state->gpio_mode = state->gpio_mode;
@@ -667,7 +669,7 @@ static int mxl111sf_lg2161_ep6_frontend_attach(struct dvb_usb_adapter *adap, u8
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe_id];
int ret;
- deb_adv("%s()\n", __func__);
+ pr_debug("%s()\n", __func__);
/* save a pointer to the dvb_usb_device in device state */
state->d = d;
@@ -675,7 +677,7 @@ static int mxl111sf_lg2161_ep6_frontend_attach(struct dvb_usb_adapter *adap, u8
state->alt_mode = adap_state->alt_mode;
if (usb_set_interface(d->udev, 0, state->alt_mode) < 0)
- err("set interface failed");
+ pr_err("set interface failed");
state->gpio_mode = MXL111SF_GPIO_MOD_MH;
adap_state->gpio_mode = state->gpio_mode;
@@ -742,7 +744,7 @@ static int mxl111sf_attach_demod(struct dvb_usb_adapter *adap, u8 fe_id)
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe_id];
int ret;
- deb_adv("%s()\n", __func__);
+ pr_debug("%s()\n", __func__);
/* save a pointer to the dvb_usb_device in device state */
state->d = d;
@@ -750,7 +752,7 @@ static int mxl111sf_attach_demod(struct dvb_usb_adapter *adap, u8 fe_id)
state->alt_mode = adap_state->alt_mode;
if (usb_set_interface(d->udev, 0, state->alt_mode) < 0)
- err("set interface failed");
+ pr_err("set interface failed");
state->gpio_mode = MXL111SF_GPIO_MOD_DVBT;
adap_state->gpio_mode = state->gpio_mode;
@@ -802,7 +804,7 @@ static inline int mxl111sf_set_ant_path(struct mxl111sf_state *state,
}
#define DbgAntHunt(x, pwr0, pwr1, pwr2, pwr3) \
- err("%s(%d) FINAL input set to %s rxPwr:%d|%d|%d|%d\n", \
+ pr_err("%s(%d) FINAL input set to %s rxPwr:%d|%d|%d|%d\n", \
__func__, __LINE__, \
(ANT_PATH_EXTERNAL == x) ? "EXTERNAL" : "INTERNAL", \
pwr0, pwr1, pwr2, pwr3)
@@ -868,7 +870,7 @@ static int mxl111sf_attach_tuner(struct dvb_usb_adapter *adap)
struct mxl111sf_state *state = adap_to_priv(adap);
int i;
- deb_adv("%s()\n", __func__);
+ pr_debug("%s()\n", __func__);
for (i = 0; i < state->num_frontends; i++) {
if (dvb_attach(mxl111sf_tuner_attach, adap->fe[i], state,
@@ -902,7 +904,7 @@ static int mxl111sf_init(struct dvb_usb_device *d)
ret = get_chip_info(state);
if (mxl_fail(ret))
- err("failed to get chip info during probe");
+ pr_err("failed to get chip info during probe");
mutex_init(&state->fe_lock);
@@ -950,7 +952,7 @@ static int mxl111sf_frontend_attach_mh(struct dvb_usb_adapter *adap)
static int mxl111sf_frontend_attach_atsc_mh(struct dvb_usb_adapter *adap)
{
int ret;
- deb_info("%s\n", __func__);
+ pr_debug("%s\n", __func__);
ret = mxl111sf_lgdt3305_frontend_attach(adap, 0);
if (ret < 0)
@@ -970,7 +972,7 @@ static int mxl111sf_frontend_attach_atsc_mh(struct dvb_usb_adapter *adap)
static int mxl111sf_frontend_attach_mercury(struct dvb_usb_adapter *adap)
{
int ret;
- deb_info("%s\n", __func__);
+ pr_debug("%s\n", __func__);
ret = mxl111sf_lgdt3305_frontend_attach(adap, 0);
if (ret < 0)
@@ -990,7 +992,7 @@ static int mxl111sf_frontend_attach_mercury(struct dvb_usb_adapter *adap)
static int mxl111sf_frontend_attach_mercury_mh(struct dvb_usb_adapter *adap)
{
int ret;
- deb_info("%s\n", __func__);
+ pr_debug("%s\n", __func__);
ret = mxl111sf_attach_demod(adap, 0);
if (ret < 0)
@@ -1006,7 +1008,7 @@ static int mxl111sf_frontend_attach_mercury_mh(struct dvb_usb_adapter *adap)
static void mxl111sf_stream_config_bulk(struct usb_data_stream_properties *stream, u8 endpoint)
{
- deb_info("%s: endpoint=%d size=8192\n", __func__, endpoint);
+ pr_debug("%s: endpoint=%d size=8192\n", __func__, endpoint);
stream->type = USB_BULK;
stream->count = 5;
stream->endpoint = endpoint;
@@ -1016,7 +1018,7 @@ static void mxl111sf_stream_config_bulk(struct usb_data_stream_properties *strea
static void mxl111sf_stream_config_isoc(struct usb_data_stream_properties *stream,
u8 endpoint, int framesperurb, int framesize)
{
- deb_info("%s: endpoint=%d size=%d\n", __func__, endpoint,
+ pr_debug("%s: endpoint=%d size=%d\n", __func__, endpoint,
framesperurb * framesize);
stream->type = USB_ISOC;
stream->count = 5;
@@ -1035,7 +1037,7 @@ static void mxl111sf_stream_config_isoc(struct usb_data_stream_properties *strea
static int mxl111sf_get_stream_config_dvbt(struct dvb_frontend *fe,
u8 *ts_type, struct usb_data_stream_properties *stream)
{
- deb_info("%s: fe=%d\n", __func__, fe->id);
+ pr_debug("%s: fe=%d\n", __func__, fe->id);
*ts_type = DVB_USB_FE_TS_TYPE_188;
if (dvb_usb_mxl111sf_isoc)
@@ -1076,7 +1078,7 @@ static struct dvb_usb_device_properties mxl111sf_props_dvbt = {
static int mxl111sf_get_stream_config_atsc(struct dvb_frontend *fe,
u8 *ts_type, struct usb_data_stream_properties *stream)
{
- deb_info("%s: fe=%d\n", __func__, fe->id);
+ pr_debug("%s: fe=%d\n", __func__, fe->id);
*ts_type = DVB_USB_FE_TS_TYPE_188;
if (dvb_usb_mxl111sf_isoc)
@@ -1117,7 +1119,7 @@ static struct dvb_usb_device_properties mxl111sf_props_atsc = {
static int mxl111sf_get_stream_config_mh(struct dvb_frontend *fe,
u8 *ts_type, struct usb_data_stream_properties *stream)
{
- deb_info("%s: fe=%d\n", __func__, fe->id);
+ pr_debug("%s: fe=%d\n", __func__, fe->id);
*ts_type = DVB_USB_FE_TS_TYPE_RAW;
if (dvb_usb_mxl111sf_isoc)
@@ -1158,7 +1160,7 @@ static struct dvb_usb_device_properties mxl111sf_props_mh = {
static int mxl111sf_get_stream_config_atsc_mh(struct dvb_frontend *fe,
u8 *ts_type, struct usb_data_stream_properties *stream)
{
- deb_info("%s: fe=%d\n", __func__, fe->id);
+ pr_debug("%s: fe=%d\n", __func__, fe->id);
if (fe->id == 0) {
*ts_type = DVB_USB_FE_TS_TYPE_188;
@@ -1184,7 +1186,7 @@ static int mxl111sf_get_stream_config_atsc_mh(struct dvb_frontend *fe,
static int mxl111sf_streaming_ctrl_atsc_mh(struct dvb_frontend *fe, int onoff)
{
- deb_info("%s: fe=%d onoff=%d\n", __func__, fe->id, onoff);
+ pr_debug("%s: fe=%d onoff=%d\n", __func__, fe->id, onoff);
if (fe->id == 0)
return mxl111sf_ep6_streaming_ctrl(fe, onoff);
@@ -1228,7 +1230,7 @@ static struct dvb_usb_device_properties mxl111sf_props_atsc_mh = {
static int mxl111sf_get_stream_config_mercury(struct dvb_frontend *fe,
u8 *ts_type, struct usb_data_stream_properties *stream)
{
- deb_info("%s: fe=%d\n", __func__, fe->id);
+ pr_debug("%s: fe=%d\n", __func__, fe->id);
if (fe->id == 0) {
*ts_type = DVB_USB_FE_TS_TYPE_188;
@@ -1260,7 +1262,7 @@ static int mxl111sf_get_stream_config_mercury(struct dvb_frontend *fe,
static int mxl111sf_streaming_ctrl_mercury(struct dvb_frontend *fe, int onoff)
{
- deb_info("%s: fe=%d onoff=%d\n", __func__, fe->id, onoff);
+ pr_debug("%s: fe=%d onoff=%d\n", __func__, fe->id, onoff);
if (fe->id == 0)
return mxl111sf_ep6_streaming_ctrl(fe, onoff);
@@ -1306,7 +1308,7 @@ static struct dvb_usb_device_properties mxl111sf_props_mercury = {
static int mxl111sf_get_stream_config_mercury_mh(struct dvb_frontend *fe,
u8 *ts_type, struct usb_data_stream_properties *stream)
{
- deb_info("%s: fe=%d\n", __func__, fe->id);
+ pr_debug("%s: fe=%d\n", __func__, fe->id);
if (fe->id == 0) {
*ts_type = DVB_USB_FE_TS_TYPE_188;
@@ -1332,7 +1334,7 @@ static int mxl111sf_get_stream_config_mercury_mh(struct dvb_frontend *fe,
static int mxl111sf_streaming_ctrl_mercury_mh(struct dvb_frontend *fe, int onoff)
{
- deb_info("%s: fe=%d onoff=%d\n", __func__, fe->id, onoff);
+ pr_debug("%s: fe=%d onoff=%d\n", __func__, fe->id, onoff);
if (fe->id == 0)
return mxl111sf_ep4_streaming_ctrl(fe, onoff);
@@ -1419,7 +1421,7 @@ static struct usb_driver mxl111sf_usb_driver = {
module_usb_driver(mxl111sf_usb_driver);
-MODULE_AUTHOR("Michael Krufky <mkrufky@kernellabs.com>");
+MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
MODULE_DESCRIPTION("Driver for MaxLinear MxL111SF");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-24 06:21:14 +0000