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path: root/drivers/media/common/tuners/xc5000.c
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Diffstat (limited to 'drivers/media/common/tuners/xc5000.c')
-rw-r--r--drivers/media/common/tuners/xc5000.c264
1 files changed, 138 insertions, 126 deletions
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index b54598550dc..f4ffcdc9b84 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -3,6 +3,7 @@
*
* Copyright (c) 2007 Xceive Corporation
* Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
+ * Copyright (c) 2009 Devin Heitmueller <dheitmueller@kernellabs.com>
*
* 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
@@ -36,14 +37,20 @@ static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+static int no_poweroff;
+module_param(no_poweroff, int, 0644);
+MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n"
+ "\t\t1 keep device energized and with tuner ready all the times.\n"
+ "\t\tFaster, but consumes more power and keeps the device hotter");
+
static DEFINE_MUTEX(xc5000_list_mutex);
static LIST_HEAD(hybrid_tuner_instance_list);
#define dprintk(level, fmt, arg...) if (debug >= level) \
printk(KERN_INFO "%s: " fmt, "xc5000", ## arg)
-#define XC5000_DEFAULT_FIRMWARE "dvb-fe-xc5000-1.1.fw"
-#define XC5000_DEFAULT_FIRMWARE_SIZE 12332
+#define XC5000_DEFAULT_FIRMWARE "dvb-fe-xc5000-1.6.114.fw"
+#define XC5000_DEFAULT_FIRMWARE_SIZE 12401
struct xc5000_priv {
struct tuner_i2c_props i2c_props;
@@ -83,11 +90,11 @@ struct xc5000_priv {
#define XREG_D_CODE 0x04
#define XREG_IF_OUT 0x05
#define XREG_SEEK_MODE 0x07
-#define XREG_POWER_DOWN 0x0A
+#define XREG_POWER_DOWN 0x0A /* Obsolete */
#define XREG_SIGNALSOURCE 0x0D /* 0=Air, 1=Cable */
#define XREG_SMOOTHEDCVBS 0x0E
#define XREG_XTALFREQ 0x0F
-#define XREG_FINERFFREQ 0x10
+#define XREG_FINERFREQ 0x10
#define XREG_DDIMODE 0x11
#define XREG_ADC_ENV 0x00
@@ -100,6 +107,7 @@ struct xc5000_priv {
#define XREG_VERSION 0x07
#define XREG_PRODUCT_ID 0x08
#define XREG_BUSY 0x09
+#define XREG_BUILD 0x0D
/*
Basic firmware description. This will remain with
@@ -191,27 +199,36 @@ static struct XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
{"FM Radio-INPUT1", 0x0208, 0x9002}
};
-static int xc5000_is_firmware_loaded(struct dvb_frontend *fe);
-static int xc5000_writeregs(struct xc5000_priv *priv, u8 *buf, u8 len);
-static int xc5000_readregs(struct xc5000_priv *priv, u8 *buf, u8 len);
-static void xc5000_TunerReset(struct dvb_frontend *fe);
+static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe);
+static int xc5000_is_firmware_loaded(struct dvb_frontend *fe);
+static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val);
+static int xc5000_TunerReset(struct dvb_frontend *fe);
static int xc_send_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
{
- return xc5000_writeregs(priv, buf, len)
- ? XC_RESULT_I2C_WRITE_FAILURE : XC_RESULT_SUCCESS;
+ struct i2c_msg msg = { .addr = priv->i2c_props.addr,
+ .flags = 0, .buf = buf, .len = len };
+
+ if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
+ printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n", len);
+ return XC_RESULT_I2C_WRITE_FAILURE;
+ }
+ return XC_RESULT_SUCCESS;
}
+/* This routine is never used because the only time we read data from the
+ i2c bus is when we read registers, and we want that to be an atomic i2c
+ transaction in case we are on a multi-master bus */
static int xc_read_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
{
- return xc5000_readregs(priv, buf, len)
- ? XC_RESULT_I2C_READ_FAILURE : XC_RESULT_SUCCESS;
-}
+ struct i2c_msg msg = { .addr = priv->i2c_props.addr,
+ .flags = I2C_M_RD, .buf = buf, .len = len };
-static int xc_reset(struct dvb_frontend *fe)
-{
- xc5000_TunerReset(fe);
- return XC_RESULT_SUCCESS;
+ if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
+ printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n", len);
+ return -EREMOTEIO;
+ }
+ return 0;
}
static void xc_wait(int wait_ms)
@@ -219,7 +236,7 @@ static void xc_wait(int wait_ms)
msleep(wait_ms);
}
-static void xc5000_TunerReset(struct dvb_frontend *fe)
+static int xc5000_TunerReset(struct dvb_frontend *fe)
{
struct xc5000_priv *priv = fe->tuner_priv;
int ret;
@@ -232,16 +249,21 @@ static void xc5000_TunerReset(struct dvb_frontend *fe)
priv->i2c_props.adap->algo_data,
DVB_FRONTEND_COMPONENT_TUNER,
XC5000_TUNER_RESET, 0);
- if (ret)
+ if (ret) {
printk(KERN_ERR "xc5000: reset failed\n");
- } else
+ return XC_RESULT_RESET_FAILURE;
+ }
+ } else {
printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n");
+ return XC_RESULT_RESET_FAILURE;
+ }
+ return XC_RESULT_SUCCESS;
}
static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData)
{
u8 buf[4];
- int WatchDogTimer = 5;
+ int WatchDogTimer = 100;
int result;
buf[0] = (regAddr >> 8) & 0xFF;
@@ -263,7 +285,7 @@ static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData)
/* busy flag cleared */
break;
} else {
- xc_wait(100); /* wait 5 ms */
+ xc_wait(5); /* wait 5 ms */
WatchDogTimer--;
}
}
@@ -276,25 +298,6 @@ static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData)
return result;
}
-static int xc_read_reg(struct xc5000_priv *priv, u16 regAddr, u16 *i2cData)
-{
- u8 buf[2];
- int result;
-
- buf[0] = (regAddr >> 8) & 0xFF;
- buf[1] = regAddr & 0xFF;
- result = xc_send_i2c_data(priv, buf, 2);
- if (result != XC_RESULT_SUCCESS)
- return result;
-
- result = xc_read_i2c_data(priv, buf, 2);
- if (result != XC_RESULT_SUCCESS)
- return result;
-
- *i2cData = buf[0] * 256 + buf[1];
- return result;
-}
-
static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
{
struct xc5000_priv *priv = fe->tuner_priv;
@@ -309,7 +312,7 @@ static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
len = i2c_sequence[index] * 256 + i2c_sequence[index+1];
if (len == 0x0000) {
/* RESET command */
- result = xc_reset(fe);
+ result = xc5000_TunerReset(fe);
index += 2;
if (result != XC_RESULT_SUCCESS)
return result;
@@ -371,15 +374,6 @@ static int xc_SetTVStandard(struct xc5000_priv *priv,
return ret;
}
-static int xc_shutdown(struct xc5000_priv *priv)
-{
- return XC_RESULT_SUCCESS;
- /* Fixme: cannot bring tuner back alive once shutdown
- * without reloading the driver modules.
- * return xc_write_reg(priv, XREG_POWER_DOWN, 0);
- */
-}
-
static int xc_SetSignalSource(struct xc5000_priv *priv, u16 rf_mode)
{
dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
@@ -408,7 +402,10 @@ static int xc_set_RF_frequency(struct xc5000_priv *priv, u32 freq_hz)
freq_code = (u16)(freq_hz / 15625);
- return xc_write_reg(priv, XREG_RF_FREQ, freq_code);
+ /* Starting in firmware version 1.1.44, Xceive recommends using the
+ FINERFREQ for all normal tuning (the doc indicates reg 0x03 should
+ only be used for fast scanning for channel lock) */
+ return xc_write_reg(priv, XREG_FINERFREQ, freq_code);
}
@@ -424,7 +421,7 @@ static int xc_set_IF_frequency(struct xc5000_priv *priv, u32 freq_khz)
static int xc_get_ADC_Envelope(struct xc5000_priv *priv, u16 *adc_envelope)
{
- return xc_read_reg(priv, XREG_ADC_ENV, adc_envelope);
+ return xc5000_readreg(priv, XREG_ADC_ENV, adc_envelope);
}
static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz)
@@ -433,8 +430,8 @@ static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz)
u16 regData;
u32 tmp;
- result = xc_read_reg(priv, XREG_FREQ_ERROR, &regData);
- if (result)
+ result = xc5000_readreg(priv, XREG_FREQ_ERROR, &regData);
+ if (result != XC_RESULT_SUCCESS)
return result;
tmp = (u32)regData;
@@ -444,7 +441,7 @@ static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz)
static int xc_get_lock_status(struct xc5000_priv *priv, u16 *lock_status)
{
- return xc_read_reg(priv, XREG_LOCK, lock_status);
+ return xc5000_readreg(priv, XREG_LOCK, lock_status);
}
static int xc_get_version(struct xc5000_priv *priv,
@@ -454,8 +451,8 @@ static int xc_get_version(struct xc5000_priv *priv,
u16 data;
int result;
- result = xc_read_reg(priv, XREG_VERSION, &data);
- if (result)
+ result = xc5000_readreg(priv, XREG_VERSION, &data);
+ if (result != XC_RESULT_SUCCESS)
return result;
(*hw_majorversion) = (data >> 12) & 0x0F;
@@ -466,13 +463,18 @@ static int xc_get_version(struct xc5000_priv *priv,
return 0;
}
+static int xc_get_buildversion(struct xc5000_priv *priv, u16 *buildrev)
+{
+ return xc5000_readreg(priv, XREG_BUILD, buildrev);
+}
+
static int xc_get_hsync_freq(struct xc5000_priv *priv, u32 *hsync_freq_hz)
{
u16 regData;
int result;
- result = xc_read_reg(priv, XREG_HSYNC_FREQ, &regData);
- if (result)
+ result = xc5000_readreg(priv, XREG_HSYNC_FREQ, &regData);
+ if (result != XC_RESULT_SUCCESS)
return result;
(*hsync_freq_hz) = ((regData & 0x0fff) * 763)/100;
@@ -481,12 +483,12 @@ static int xc_get_hsync_freq(struct xc5000_priv *priv, u32 *hsync_freq_hz)
static int xc_get_frame_lines(struct xc5000_priv *priv, u16 *frame_lines)
{
- return xc_read_reg(priv, XREG_FRAME_LINES, frame_lines);
+ return xc5000_readreg(priv, XREG_FRAME_LINES, frame_lines);
}
static int xc_get_quality(struct xc5000_priv *priv, u16 *quality)
{
- return xc_read_reg(priv, XREG_QUALITY, quality);
+ return xc5000_readreg(priv, XREG_QUALITY, quality);
}
static u16 WaitForLock(struct xc5000_priv *priv)
@@ -504,7 +506,9 @@ static u16 WaitForLock(struct xc5000_priv *priv)
return lockState;
}
-static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz)
+#define XC_TUNE_ANALOG 0
+#define XC_TUNE_DIGITAL 1
+static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz, int mode)
{
int found = 0;
@@ -513,8 +517,10 @@ static int xc_tune_channel(struct xc5000_priv *priv, u32 freq_hz)
if (xc_set_RF_frequency(priv, freq_hz) != XC_RESULT_SUCCESS)
return 0;
- if (WaitForLock(priv) == 1)
- found = 1;
+ if (mode == XC_TUNE_ANALOG) {
+ if (WaitForLock(priv) == 1)
+ found = 1;
+ }
return found;
}
@@ -536,32 +542,7 @@ static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val)
}
*val = (bval[0] << 8) | bval[1];
- return 0;
-}
-
-static int xc5000_writeregs(struct xc5000_priv *priv, u8 *buf, u8 len)
-{
- struct i2c_msg msg = { .addr = priv->i2c_props.addr,
- .flags = 0, .buf = buf, .len = len };
-
- if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
- printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n",
- (int)len);
- return -EREMOTEIO;
- }
- return 0;
-}
-
-static int xc5000_readregs(struct xc5000_priv *priv, u8 *buf, u8 len)
-{
- struct i2c_msg msg = { .addr = priv->i2c_props.addr,
- .flags = I2C_M_RD, .buf = buf, .len = len };
-
- if (i2c_transfer(priv->i2c_props.adap, &msg, 1) != 1) {
- printk(KERN_ERR "xc5000 I2C read failed (len=%i)\n", (int)len);
- return -EREMOTEIO;
- }
- return 0;
+ return XC_RESULT_SUCCESS;
}
static int xc5000_fwupload(struct dvb_frontend *fe)
@@ -575,13 +556,13 @@ static int xc5000_fwupload(struct dvb_frontend *fe)
XC5000_DEFAULT_FIRMWARE);
ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE,
- &priv->i2c_props.adap->dev);
+ priv->i2c_props.adap->dev.parent);
if (ret) {
printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n");
ret = XC_RESULT_RESET_FAILURE;
goto out;
} else {
- printk(KERN_INFO "xc5000: firmware read %Zu bytes.\n",
+ printk(KERN_DEBUG "xc5000: firmware read %Zu bytes.\n",
fw->size);
ret = XC_RESULT_SUCCESS;
}
@@ -590,8 +571,9 @@ static int xc5000_fwupload(struct dvb_frontend *fe)
printk(KERN_ERR "xc5000: firmware incorrect size\n");
ret = XC_RESULT_RESET_FAILURE;
} else {
- printk(KERN_INFO "xc5000: firmware upload\n");
+ printk(KERN_INFO "xc5000: firmware uploading...\n");
ret = xc_load_i2c_sequence(fe, fw->data);
+ printk(KERN_INFO "xc5000: firmware upload complete...\n");
}
out:
@@ -609,6 +591,7 @@ static void xc_debug_dump(struct xc5000_priv *priv)
u16 quality;
u8 hw_majorversion = 0, hw_minorversion = 0;
u8 fw_majorversion = 0, fw_minorversion = 0;
+ u16 fw_buildversion = 0;
/* Wait for stats to stabilize.
* Frame Lines needs two frame times after initial lock
@@ -628,9 +611,10 @@ static void xc_debug_dump(struct xc5000_priv *priv)
xc_get_version(priv, &hw_majorversion, &hw_minorversion,
&fw_majorversion, &fw_minorversion);
- dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x\n",
+ xc_get_buildversion(priv, &fw_buildversion);
+ dprintk(1, "*** HW: V%02x.%02x, FW: V%02x.%02x.%04x\n",
hw_majorversion, hw_minorversion,
- fw_majorversion, fw_minorversion);
+ fw_majorversion, fw_minorversion, fw_buildversion);
xc_get_hsync_freq(priv, &hsync_freq_hz);
dprintk(1, "*** Horizontal sync frequency = %d Hz\n", hsync_freq_hz);
@@ -648,27 +632,57 @@ static int xc5000_set_params(struct dvb_frontend *fe,
struct xc5000_priv *priv = fe->tuner_priv;
int ret;
+ if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS)
+ xc_load_fw_and_init_tuner(fe);
+
dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency);
- switch (params->u.vsb.modulation) {
- case VSB_8:
- case VSB_16:
- dprintk(1, "%s() VSB modulation\n", __func__);
+ if (fe->ops.info.type == FE_ATSC) {
+ dprintk(1, "%s() ATSC\n", __func__);
+ switch (params->u.vsb.modulation) {
+ case VSB_8:
+ case VSB_16:
+ dprintk(1, "%s() VSB modulation\n", __func__);
+ priv->rf_mode = XC_RF_MODE_AIR;
+ priv->freq_hz = params->frequency - 1750000;
+ priv->bandwidth = BANDWIDTH_6_MHZ;
+ priv->video_standard = DTV6;
+ break;
+ case QAM_64:
+ case QAM_256:
+ case QAM_AUTO:
+ dprintk(1, "%s() QAM modulation\n", __func__);
+ priv->rf_mode = XC_RF_MODE_CABLE;
+ priv->freq_hz = params->frequency - 1750000;
+ priv->bandwidth = BANDWIDTH_6_MHZ;
+ priv->video_standard = DTV6;
+ break;
+ default:
+ return -EINVAL;
+ }
+ } else if (fe->ops.info.type == FE_OFDM) {
+ dprintk(1, "%s() OFDM\n", __func__);
+ switch (params->u.ofdm.bandwidth) {
+ case BANDWIDTH_6_MHZ:
+ priv->bandwidth = BANDWIDTH_6_MHZ;
+ priv->video_standard = DTV6;
+ priv->freq_hz = params->frequency - 1750000;
+ break;
+ case BANDWIDTH_7_MHZ:
+ printk(KERN_ERR "xc5000 bandwidth 7MHz not supported\n");
+ return -EINVAL;
+ case BANDWIDTH_8_MHZ:
+ priv->bandwidth = BANDWIDTH_8_MHZ;
+ priv->video_standard = DTV8;
+ priv->freq_hz = params->frequency - 2750000;
+ break;
+ default:
+ printk(KERN_ERR "xc5000 bandwidth not set!\n");
+ return -EINVAL;
+ }
priv->rf_mode = XC_RF_MODE_AIR;
- priv->freq_hz = params->frequency - 1750000;
- priv->bandwidth = BANDWIDTH_6_MHZ;
- priv->video_standard = DTV6;
- break;
- case QAM_64:
- case QAM_256:
- case QAM_AUTO:
- dprintk(1, "%s() QAM modulation\n", __func__);
- priv->rf_mode = XC_RF_MODE_CABLE;
- priv->freq_hz = params->frequency - 1750000;
- priv->bandwidth = BANDWIDTH_6_MHZ;
- priv->video_standard = DTV6;
- break;
- default:
+ } else {
+ printk(KERN_ERR "xc5000 modulation type not supported!\n");
return -EINVAL;
}
@@ -698,7 +712,7 @@ static int xc5000_set_params(struct dvb_frontend *fe,
return -EIO;
}
- xc_tune_channel(priv, priv->freq_hz);
+ xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL);
if (debug)
xc_debug_dump(priv);
@@ -725,8 +739,6 @@ static int xc5000_is_firmware_loaded(struct dvb_frontend *fe)
return ret;
}
-static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe);
-
static int xc5000_set_analog_params(struct dvb_frontend *fe,
struct analog_parameters *params)
{
@@ -807,7 +819,7 @@ tune_channel:
return -EREMOTEIO;
}
- xc_tune_channel(priv, priv->freq_hz);
+ xc_tune_channel(priv, priv->freq_hz, XC_TUNE_ANALOG);
if (debug)
xc_debug_dump(priv);
@@ -875,18 +887,18 @@ static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe)
static int xc5000_sleep(struct dvb_frontend *fe)
{
- struct xc5000_priv *priv = fe->tuner_priv;
int ret;
dprintk(1, "%s()\n", __func__);
- /* On Pinnacle PCTV HD 800i, the tuner cannot be reinitialized
- * once shutdown without reloading the driver. Maybe I am not
- * doing something right.
- *
- */
+ /* Avoid firmware reload on slow devices */
+ if (no_poweroff)
+ return 0;
- ret = xc_shutdown(priv);
+ /* According to Xceive technical support, the "powerdown" register
+ was removed in newer versions of the firmware. The "supported"
+ way to sleep the tuner is to pull the reset pin low for 10ms */
+ ret = xc5000_TunerReset(fe);
if (ret != XC_RESULT_SUCCESS) {
printk(KERN_ERR
"xc5000: %s() unable to shutdown tuner\n",
@@ -991,7 +1003,7 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
/* Check if firmware has been loaded. It is possible that another
instance of the driver has loaded the firmware.
*/
- if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0)
+ if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != XC_RESULT_SUCCESS)
goto fail;
switch (id) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-13 10:01:48 +0000