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path: root/drivers/media/tuners/xc5000.c
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Diffstat (limited to 'drivers/media/tuners/xc5000.c')
-rw-r--r--drivers/media/tuners/xc5000.c719
1 files changed, 405 insertions, 314 deletions
diff --git a/drivers/media/tuners/xc5000.c b/drivers/media/tuners/xc5000.c
index 5cd09a681b6a..a28481edd22e 100644
--- a/drivers/media/tuners/xc5000.c
+++ b/drivers/media/tuners/xc5000.c
@@ -1,34 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Xceive XC5000 "QAM/8VSB single chip tuner"
*
* 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/videodev2.h>
#include <linux/delay.h>
+#include <linux/workqueue.h>
#include <linux/dvb/frontend.h>
#include <linux/i2c.h>
-#include "dvb_frontend.h"
+#include <media/dvb_frontend.h>
#include "xc5000.h"
#include "tuner-i2c.h"
@@ -55,36 +42,39 @@ struct xc5000_priv {
u32 if_khz;
u16 xtal_khz;
- u32 freq_hz;
+ u32 freq_hz, freq_offset;
u32 bandwidth;
u8 video_standard;
+ unsigned int mode;
u8 rf_mode;
u8 radio_input;
+ u16 output_amp;
int chip_id;
u16 pll_register_no;
u8 init_status_supported;
u8 fw_checksum_supported;
+
+ struct dvb_frontend *fe;
+ struct delayed_work timer_sleep;
+
+ bool inited;
};
/* Misc Defines */
#define MAX_TV_STANDARD 24
#define XC_MAX_I2C_WRITE_LENGTH 64
+/* Time to suspend after the .sleep callback is called */
+#define XC5000_SLEEP_TIME 5000 /* ms */
+
/* Signal Types */
#define XC_RF_MODE_AIR 0
#define XC_RF_MODE_CABLE 1
-/* Result codes */
-#define XC_RESULT_SUCCESS 0
-#define XC_RESULT_RESET_FAILURE 1
-#define XC_RESULT_I2C_WRITE_FAILURE 2
-#define XC_RESULT_I2C_READ_FAILURE 3
-#define XC_RESULT_OUT_OF_RANGE 5
-
/* Product id */
#define XC_PRODUCT_ID_FW_NOT_LOADED 0x2000
-#define XC_PRODUCT_ID_FW_LOADED 0x1388
+#define XC_PRODUCT_ID_FW_LOADED 0x1388
/* Registers */
#define XREG_INIT 0x00
@@ -152,16 +142,16 @@ struct xc5000_priv {
*/
struct XC_TV_STANDARD {
- char *Name;
- u16 AudioMode;
- u16 VideoMode;
+ char *name;
+ u16 audio_mode;
+ u16 video_mode;
};
/* Tuner standards */
#define MN_NTSC_PAL_BTSC 0
#define MN_NTSC_PAL_A2 1
#define MN_NTSC_PAL_EIAJ 2
-#define MN_NTSC_PAL_Mono 3
+#define MN_NTSC_PAL_MONO 3
#define BG_PAL_A2 4
#define BG_PAL_NICAM 5
#define BG_PAL_MONO 6
@@ -171,19 +161,19 @@ struct XC_TV_STANDARD {
#define DK_PAL_NICAM 10
#define DK_PAL_MONO 11
#define DK_SECAM_A2DK1 12
-#define DK_SECAM_A2LDK3 13
-#define DK_SECAM_A2MONO 14
+#define DK_SECAM_A2LDK3 13
+#define DK_SECAM_A2MONO 14
#define L_SECAM_NICAM 15
#define LC_SECAM_NICAM 16
#define DTV6 17
#define DTV8 18
#define DTV7_8 19
#define DTV7 20
-#define FM_Radio_INPUT2 21
-#define FM_Radio_INPUT1 22
-#define FM_Radio_INPUT1_MONO 23
+#define FM_RADIO_INPUT2 21
+#define FM_RADIO_INPUT1 22
+#define FM_RADIO_INPUT1_MONO 23
-static struct XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
+static struct XC_TV_STANDARD xc5000_standard[MAX_TV_STANDARD] = {
{"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020},
{"M/N-NTSC/PAL-A2", 0x0600, 0x8020},
{"M/N-NTSC/PAL-EIAJ", 0x0440, 0x8020},
@@ -249,7 +239,7 @@ static inline const struct xc5000_fw_cfg *xc5000_assign_firmware(int chip_id)
static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force);
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 xc5000_tuner_reset(struct dvb_frontend *fe);
static int xc_send_i2c_data(struct xc5000_priv *priv, u8 *buf, int len)
{
@@ -258,9 +248,9 @@ static int xc_send_i2c_data(struct xc5000_priv *priv, u8 *buf, int 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 -EREMOTEIO;
}
- return XC_RESULT_SUCCESS;
+ return 0;
}
#if 0
@@ -297,15 +287,10 @@ static int xc5000_readreg(struct xc5000_priv *priv, u16 reg, u16 *val)
}
*val = (bval[0] << 8) | bval[1];
- return XC_RESULT_SUCCESS;
-}
-
-static void xc_wait(int wait_ms)
-{
- msleep(wait_ms);
+ return 0;
}
-static int xc5000_TunerReset(struct dvb_frontend *fe)
+static int xc5000_tuner_reset(struct dvb_frontend *fe)
{
struct xc5000_priv *priv = fe->tuner_priv;
int ret;
@@ -320,43 +305,43 @@ static int xc5000_TunerReset(struct dvb_frontend *fe)
XC5000_TUNER_RESET, 0);
if (ret) {
printk(KERN_ERR "xc5000: reset failed\n");
- return XC_RESULT_RESET_FAILURE;
+ return ret;
}
} else {
printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n");
- return XC_RESULT_RESET_FAILURE;
+ return -EINVAL;
}
- return XC_RESULT_SUCCESS;
+ return 0;
}
-static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData)
+static int xc_write_reg(struct xc5000_priv *priv, u16 reg_addr, u16 i2c_data)
{
u8 buf[4];
- int WatchDogTimer = 100;
+ int watch_dog_timer = 100;
int result;
- buf[0] = (regAddr >> 8) & 0xFF;
- buf[1] = regAddr & 0xFF;
- buf[2] = (i2cData >> 8) & 0xFF;
- buf[3] = i2cData & 0xFF;
+ buf[0] = (reg_addr >> 8) & 0xFF;
+ buf[1] = reg_addr & 0xFF;
+ buf[2] = (i2c_data >> 8) & 0xFF;
+ buf[3] = i2c_data & 0xFF;
result = xc_send_i2c_data(priv, buf, 4);
- if (result == XC_RESULT_SUCCESS) {
+ if (result == 0) {
/* wait for busy flag to clear */
- while ((WatchDogTimer > 0) && (result == XC_RESULT_SUCCESS)) {
+ while ((watch_dog_timer > 0) && (result == 0)) {
result = xc5000_readreg(priv, XREG_BUSY, (u16 *)buf);
- if (result == XC_RESULT_SUCCESS) {
+ if (result == 0) {
if ((buf[0] == 0) && (buf[1] == 0)) {
/* busy flag cleared */
break;
} else {
- xc_wait(5); /* wait 5 ms */
- WatchDogTimer--;
+ msleep(5); /* wait 5 ms */
+ watch_dog_timer--;
}
}
}
}
- if (WatchDogTimer <= 0)
- result = XC_RESULT_I2C_WRITE_FAILURE;
+ if (watch_dog_timer <= 0)
+ result = -EREMOTEIO;
return result;
}
@@ -375,13 +360,13 @@ 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 = xc5000_TunerReset(fe);
+ result = xc5000_tuner_reset(fe);
index += 2;
- if (result != XC_RESULT_SUCCESS)
+ if (result != 0)
return result;
} else if (len & 0x8000) {
/* WAIT command */
- xc_wait(len & 0x7FFF);
+ msleep(len & 0x7FFF);
index += 2;
} else {
/* Send i2c data whilst ensuring individual transactions
@@ -404,7 +389,7 @@ static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
result = xc_send_i2c_data(priv, buf,
nbytes_to_send);
- if (result != XC_RESULT_SUCCESS)
+ if (result != 0)
return result;
pos += nbytes_to_send - 2;
@@ -412,7 +397,7 @@ static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence)
index += len;
}
}
- return XC_RESULT_SUCCESS;
+ return 0;
}
static int xc_initialize(struct xc5000_priv *priv)
@@ -421,29 +406,29 @@ static int xc_initialize(struct xc5000_priv *priv)
return xc_write_reg(priv, XREG_INIT, 0);
}
-static int xc_SetTVStandard(struct xc5000_priv *priv,
- u16 VideoMode, u16 AudioMode, u8 RadioMode)
+static int xc_set_tv_standard(struct xc5000_priv *priv,
+ u16 video_mode, u16 audio_mode, u8 radio_mode)
{
int ret;
- dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, VideoMode, AudioMode);
- if (RadioMode) {
+ dprintk(1, "%s(0x%04x,0x%04x)\n", __func__, video_mode, audio_mode);
+ if (radio_mode) {
dprintk(1, "%s() Standard = %s\n",
__func__,
- XC5000_Standard[RadioMode].Name);
+ xc5000_standard[radio_mode].name);
} else {
dprintk(1, "%s() Standard = %s\n",
__func__,
- XC5000_Standard[priv->video_standard].Name);
+ xc5000_standard[priv->video_standard].name);
}
- ret = xc_write_reg(priv, XREG_VIDEO_MODE, VideoMode);
- if (ret == XC_RESULT_SUCCESS)
- ret = xc_write_reg(priv, XREG_AUDIO_MODE, AudioMode);
+ ret = xc_write_reg(priv, XREG_VIDEO_MODE, video_mode);
+ if (ret == 0)
+ ret = xc_write_reg(priv, XREG_AUDIO_MODE, audio_mode);
return ret;
}
-static int xc_SetSignalSource(struct xc5000_priv *priv, u16 rf_mode)
+static int xc_set_signal_source(struct xc5000_priv *priv, u16 rf_mode)
{
dprintk(1, "%s(%d) Source = %s\n", __func__, rf_mode,
rf_mode == XC_RF_MODE_AIR ? "ANTENNA" : "CABLE");
@@ -459,15 +444,15 @@ static int xc_SetSignalSource(struct xc5000_priv *priv, u16 rf_mode)
static const struct dvb_tuner_ops xc5000_tuner_ops;
-static int xc_set_RF_frequency(struct xc5000_priv *priv, u32 freq_hz)
+static int xc_set_rf_frequency(struct xc5000_priv *priv, u32 freq_hz)
{
u16 freq_code;
dprintk(1, "%s(%u)\n", __func__, freq_hz);
- if ((freq_hz > xc5000_tuner_ops.info.frequency_max) ||
- (freq_hz < xc5000_tuner_ops.info.frequency_min))
- return XC_RESULT_OUT_OF_RANGE;
+ if ((freq_hz > xc5000_tuner_ops.info.frequency_max_hz) ||
+ (freq_hz < xc5000_tuner_ops.info.frequency_min_hz))
+ return -EINVAL;
freq_code = (u16)(freq_hz / 15625);
@@ -488,7 +473,7 @@ 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)
+static int xc_get_adc_envelope(struct xc5000_priv *priv, u16 *adc_envelope)
{
return xc5000_readreg(priv, XREG_ADC_ENV, adc_envelope);
}
@@ -496,14 +481,14 @@ static int xc_get_ADC_Envelope(struct xc5000_priv *priv, u16 *adc_envelope)
static int xc_get_frequency_error(struct xc5000_priv *priv, u32 *freq_error_hz)
{
int result;
- u16 regData;
+ u16 reg_data;
u32 tmp;
- result = xc5000_readreg(priv, XREG_FREQ_ERROR, &regData);
- if (result != XC_RESULT_SUCCESS)
+ result = xc5000_readreg(priv, XREG_FREQ_ERROR, &reg_data);
+ if (result != 0)
return result;
- tmp = (u32)regData;
+ tmp = (u32)reg_data;
(*freq_error_hz) = (tmp * 15625) / 1000;
return result;
}
@@ -521,7 +506,7 @@ static int xc_get_version(struct xc5000_priv *priv,
int result;
result = xc5000_readreg(priv, XREG_VERSION, &data);
- if (result != XC_RESULT_SUCCESS)
+ if (result != 0)
return result;
(*hw_majorversion) = (data >> 12) & 0x0F;
@@ -539,14 +524,14 @@ static int xc_get_buildversion(struct xc5000_priv *priv, u16 *buildrev)
static int xc_get_hsync_freq(struct xc5000_priv *priv, u32 *hsync_freq_hz)
{
- u16 regData;
+ u16 reg_data;
int result;
- result = xc5000_readreg(priv, XREG_HSYNC_FREQ, &regData);
- if (result != XC_RESULT_SUCCESS)
+ result = xc5000_readreg(priv, XREG_HSYNC_FREQ, &reg_data);
+ if (result != 0)
return result;
- (*hsync_freq_hz) = ((regData & 0x0fff) * 763)/100;
+ (*hsync_freq_hz) = ((reg_data & 0x0fff) * 763)/100;
return result;
}
@@ -570,44 +555,22 @@ static int xc_get_totalgain(struct xc5000_priv *priv, u16 *totalgain)
return xc5000_readreg(priv, XREG_TOTALGAIN, totalgain);
}
-static u16 WaitForLock(struct xc5000_priv *priv)
-{
- u16 lockState = 0;
- int watchDogCount = 40;
-
- while ((lockState == 0) && (watchDogCount > 0)) {
- xc_get_lock_status(priv, &lockState);
- if (lockState != 1) {
- xc_wait(5);
- watchDogCount--;
- }
- }
- return lockState;
-}
-
#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;
-
dprintk(1, "%s(%u)\n", __func__, freq_hz);
- if (xc_set_RF_frequency(priv, freq_hz) != XC_RESULT_SUCCESS)
- return 0;
-
- if (mode == XC_TUNE_ANALOG) {
- if (WaitForLock(priv) == 1)
- found = 1;
- }
+ if (xc_set_rf_frequency(priv, freq_hz) != 0)
+ return -EREMOTEIO;
- return found;
+ return 0;
}
static int xc_set_xtal(struct dvb_frontend *fe)
{
struct xc5000_priv *priv = fe->tuner_priv;
- int ret = XC_RESULT_SUCCESS;
+ int ret = 0;
switch (priv->chip_id) {
default:
@@ -630,62 +593,43 @@ static int xc_set_xtal(struct dvb_frontend *fe)
return ret;
}
-static int xc5000_fwupload(struct dvb_frontend *fe)
+static int xc5000_fwupload(struct dvb_frontend *fe,
+ const struct xc5000_fw_cfg *desired_fw,
+ const struct firmware *fw)
{
struct xc5000_priv *priv = fe->tuner_priv;
- const struct firmware *fw;
int ret;
- const struct xc5000_fw_cfg *desired_fw =
- xc5000_assign_firmware(priv->chip_id);
- priv->pll_register_no = desired_fw->pll_reg;
- priv->init_status_supported = desired_fw->init_status_supported;
- priv->fw_checksum_supported = desired_fw->fw_checksum_supported;
/* request the firmware, this will block and timeout */
- printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n",
+ dprintk(1, "waiting for firmware upload (%s)...\n",
desired_fw->name);
- ret = request_firmware(&fw, desired_fw->name,
- 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_DEBUG "xc5000: firmware read %Zu bytes.\n",
- fw->size);
- ret = XC_RESULT_SUCCESS;
- }
+ priv->pll_register_no = desired_fw->pll_reg;
+ priv->init_status_supported = desired_fw->init_status_supported;
+ priv->fw_checksum_supported = desired_fw->fw_checksum_supported;
- if (fw->size != desired_fw->size) {
- printk(KERN_ERR "xc5000: firmware incorrect size\n");
- ret = XC_RESULT_RESET_FAILURE;
- } else {
- printk(KERN_INFO "xc5000: firmware uploading...\n");
- ret = xc_load_i2c_sequence(fe, fw->data);
- if (XC_RESULT_SUCCESS == ret)
- ret = xc_set_xtal(fe);
- if (XC_RESULT_SUCCESS == ret)
- printk(KERN_INFO "xc5000: firmware upload complete...\n");
- else
- printk(KERN_ERR "xc5000: firmware upload failed...\n");
- }
-out:
- release_firmware(fw);
+ dprintk(1, "firmware uploading...\n");
+ ret = xc_load_i2c_sequence(fe, fw->data);
+ if (!ret) {
+ ret = xc_set_xtal(fe);
+ dprintk(1, "Firmware upload complete...\n");
+ } else
+ printk(KERN_ERR "xc5000: firmware upload failed...\n");
+
return ret;
}
static void xc_debug_dump(struct xc5000_priv *priv)
{
- u16 adc_envelope;
+ u16 adc_envelope = 0;
u32 freq_error_hz = 0;
- u16 lock_status;
+ u16 lock_status = 0;
u32 hsync_freq_hz = 0;
- u16 frame_lines;
- u16 quality;
- u16 snr;
- u16 totalgain;
+ u16 frame_lines = 0;
+ u16 quality = 0;
+ u16 snr = 0;
+ u16 totalgain = 0;
u8 hw_majorversion = 0, hw_minorversion = 0;
u8 fw_majorversion = 0, fw_minorversion = 0;
u16 fw_buildversion = 0;
@@ -695,9 +639,9 @@ static void xc_debug_dump(struct xc5000_priv *priv)
* Frame Lines needs two frame times after initial lock
* before it is valid.
*/
- xc_wait(100);
+ msleep(100);
- xc_get_ADC_Envelope(priv, &adc_envelope);
+ xc_get_adc_envelope(priv, &adc_envelope);
dprintk(1, "*** ADC envelope (0-1023) = %d\n", adc_envelope);
xc_get_frequency_error(priv, &freq_error_hz);
@@ -731,20 +675,63 @@ static void xc_debug_dump(struct xc5000_priv *priv)
(totalgain % 256) * 100 / 256);
if (priv->pll_register_no) {
- xc5000_readreg(priv, priv->pll_register_no, &regval);
- dprintk(1, "*** PLL lock status = 0x%04x\n", regval);
+ if (!xc5000_readreg(priv, priv->pll_register_no, &regval))
+ dprintk(1, "*** PLL lock status = 0x%04x\n", regval);
}
}
-static int xc5000_set_params(struct dvb_frontend *fe)
+static int xc5000_tune_digital(struct dvb_frontend *fe)
+{
+ struct xc5000_priv *priv = fe->tuner_priv;
+ int ret;
+ u32 bw = fe->dtv_property_cache.bandwidth_hz;
+
+ ret = xc_set_signal_source(priv, priv->rf_mode);
+ if (ret != 0) {
+ printk(KERN_ERR
+ "xc5000: xc_set_signal_source(%d) failed\n",
+ priv->rf_mode);
+ return -EREMOTEIO;
+ }
+
+ ret = xc_set_tv_standard(priv,
+ xc5000_standard[priv->video_standard].video_mode,
+ xc5000_standard[priv->video_standard].audio_mode, 0);
+ if (ret != 0) {
+ printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
+ return -EREMOTEIO;
+ }
+
+ ret = xc_set_IF_frequency(priv, priv->if_khz);
+ if (ret != 0) {
+ printk(KERN_ERR "xc5000: xc_Set_IF_frequency(%d) failed\n",
+ priv->if_khz);
+ return -EIO;
+ }
+
+ dprintk(1, "%s() setting OUTPUT_AMP to 0x%x\n",
+ __func__, priv->output_amp);
+ xc_write_reg(priv, XREG_OUTPUT_AMP, priv->output_amp);
+
+ xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL);
+
+ if (debug)
+ xc_debug_dump(priv);
+
+ priv->bandwidth = bw;
+
+ return 0;
+}
+
+static int xc5000_set_digital_params(struct dvb_frontend *fe)
{
- int ret, b;
+ int b;
struct xc5000_priv *priv = fe->tuner_priv;
u32 bw = fe->dtv_property_cache.bandwidth_hz;
u32 freq = fe->dtv_property_cache.frequency;
u32 delsys = fe->dtv_property_cache.delivery_system;
- if (xc_load_fw_and_init_tuner(fe, 0) != XC_RESULT_SUCCESS) {
+ if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
dprintk(1, "Unable to load firmware and init tuner\n");
return -EINVAL;
}
@@ -755,13 +742,13 @@ static int xc5000_set_params(struct dvb_frontend *fe)
case SYS_ATSC:
dprintk(1, "%s() VSB modulation\n", __func__);
priv->rf_mode = XC_RF_MODE_AIR;
- priv->freq_hz = freq - 1750000;
+ priv->freq_offset = 1750000;
priv->video_standard = DTV6;
break;
case SYS_DVBC_ANNEX_B:
dprintk(1, "%s() QAM modulation\n", __func__);
priv->rf_mode = XC_RF_MODE_CABLE;
- priv->freq_hz = freq - 1750000;
+ priv->freq_offset = 1750000;
priv->video_standard = DTV6;
break;
case SYS_ISDBT:
@@ -769,6 +756,7 @@ static int xc5000_set_params(struct dvb_frontend *fe)
if (!bw)
bw = 6000000;
/* fall to OFDM handling */
+ fallthrough;
case SYS_DMBTH:
case SYS_DVBT:
case SYS_DVBT2:
@@ -776,15 +764,15 @@ static int xc5000_set_params(struct dvb_frontend *fe)
switch (bw) {
case 6000000:
priv->video_standard = DTV6;
- priv->freq_hz = freq - 1750000;
+ priv->freq_offset = 1750000;
break;
case 7000000:
priv->video_standard = DTV7;
- priv->freq_hz = freq - 2250000;
+ priv->freq_offset = 2250000;
break;
case 8000000:
priv->video_standard = DTV8;
- priv->freq_hz = freq - 2750000;
+ priv->freq_offset = 2750000;
break;
default:
printk(KERN_ERR "xc5000 bandwidth not set!\n");
@@ -798,15 +786,15 @@ static int xc5000_set_params(struct dvb_frontend *fe)
priv->rf_mode = XC_RF_MODE_CABLE;
if (bw <= 6000000) {
priv->video_standard = DTV6;
- priv->freq_hz = freq - 1750000;
+ priv->freq_offset = 1750000;
b = 6;
} else if (bw <= 7000000) {
priv->video_standard = DTV7;
- priv->freq_hz = freq - 2250000;
+ priv->freq_offset = 2250000;
b = 7;
} else {
priv->video_standard = DTV7_8;
- priv->freq_hz = freq - 2750000;
+ priv->freq_offset = 2750000;
b = 8;
}
dprintk(1, "%s() Bandwidth %dMHz (%d)\n", __func__,
@@ -817,42 +805,13 @@ static int xc5000_set_params(struct dvb_frontend *fe)
return -EINVAL;
}
+ priv->freq_hz = freq - priv->freq_offset;
+ priv->mode = V4L2_TUNER_DIGITAL_TV;
+
dprintk(1, "%s() frequency=%d (compensated to %d)\n",
__func__, freq, priv->freq_hz);
- ret = xc_SetSignalSource(priv, priv->rf_mode);
- if (ret != XC_RESULT_SUCCESS) {
- printk(KERN_ERR
- "xc5000: xc_SetSignalSource(%d) failed\n",
- priv->rf_mode);
- return -EREMOTEIO;
- }
-
- ret = xc_SetTVStandard(priv,
- XC5000_Standard[priv->video_standard].VideoMode,
- XC5000_Standard[priv->video_standard].AudioMode, 0);
- if (ret != XC_RESULT_SUCCESS) {
- printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
- return -EREMOTEIO;
- }
-
- ret = xc_set_IF_frequency(priv, priv->if_khz);
- if (ret != XC_RESULT_SUCCESS) {
- printk(KERN_ERR "xc5000: xc_Set_IF_frequency(%d) failed\n",
- priv->if_khz);
- return -EIO;
- }
-
- xc_write_reg(priv, XREG_OUTPUT_AMP, 0x8a);
-
- xc_tune_channel(priv, priv->freq_hz, XC_TUNE_DIGITAL);
-
- if (debug)
- xc_debug_dump(priv);
-
- priv->bandwidth = bw;
-
- return 0;
+ return xc5000_tune_digital(fe);
}
static int xc5000_is_firmware_loaded(struct dvb_frontend *fe)
@@ -862,24 +821,23 @@ static int xc5000_is_firmware_loaded(struct dvb_frontend *fe)
u16 id;
ret = xc5000_readreg(priv, XREG_PRODUCT_ID, &id);
- if (ret == XC_RESULT_SUCCESS) {
+ if (!ret) {
if (id == XC_PRODUCT_ID_FW_NOT_LOADED)
- ret = XC_RESULT_RESET_FAILURE;
+ ret = -ENOENT;
else
- ret = XC_RESULT_SUCCESS;
+ ret = 0;
+ dprintk(1, "%s() returns id = 0x%x\n", __func__, id);
+ } else {
+ dprintk(1, "%s() returns error %d\n", __func__, ret);
}
- dprintk(1, "%s() returns %s id = 0x%x\n", __func__,
- ret == XC_RESULT_SUCCESS ? "True" : "False", id);
return ret;
}
-static int xc5000_set_tv_freq(struct dvb_frontend *fe,
- struct analog_parameters *params)
+static void xc5000_config_tv(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
struct xc5000_priv *priv = fe->tuner_priv;
- u16 pll_lock_status;
- int ret;
dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
__func__, params->frequency);
@@ -898,57 +856,64 @@ static int xc5000_set_tv_freq(struct dvb_frontend *fe,
if (params->std & V4L2_STD_MN) {
/* default to BTSC audio standard */
priv->video_standard = MN_NTSC_PAL_BTSC;
- goto tune_channel;
+ return;
}
if (params->std & V4L2_STD_PAL_BG) {
/* default to NICAM audio standard */
priv->video_standard = BG_PAL_NICAM;
- goto tune_channel;
+ return;
}
if (params->std & V4L2_STD_PAL_I) {
/* default to NICAM audio standard */
priv->video_standard = I_PAL_NICAM;
- goto tune_channel;
+ return;
}
if (params->std & V4L2_STD_PAL_DK) {
/* default to NICAM audio standard */
priv->video_standard = DK_PAL_NICAM;
- goto tune_channel;
+ return;
}
if (params->std & V4L2_STD_SECAM_DK) {
/* default to A2 DK1 audio standard */
priv->video_standard = DK_SECAM_A2DK1;
- goto tune_channel;
+ return;
}
if (params->std & V4L2_STD_SECAM_L) {
priv->video_standard = L_SECAM_NICAM;
- goto tune_channel;
+ return;
}
if (params->std & V4L2_STD_SECAM_LC) {
priv->video_standard = LC_SECAM_NICAM;
- goto tune_channel;
+ return;
}
+}
+
+static int xc5000_set_tv_freq(struct dvb_frontend *fe)
+{
+ struct xc5000_priv *priv = fe->tuner_priv;
+ u16 pll_lock_status;
+ int ret;
tune_channel:
- ret = xc_SetSignalSource(priv, priv->rf_mode);
- if (ret != XC_RESULT_SUCCESS) {
+ ret = xc_set_signal_source(priv, priv->rf_mode);
+ if (ret != 0) {
printk(KERN_ERR
- "xc5000: xc_SetSignalSource(%d) failed\n",
+ "xc5000: xc_set_signal_source(%d) failed\n",
priv->rf_mode);
return -EREMOTEIO;
}
- ret = xc_SetTVStandard(priv,
- XC5000_Standard[priv->video_standard].VideoMode,
- XC5000_Standard[priv->video_standard].AudioMode, 0);
- if (ret != XC_RESULT_SUCCESS) {
- printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
+ ret = xc_set_tv_standard(priv,
+ xc5000_standard[priv->video_standard].video_mode,
+ xc5000_standard[priv->video_standard].audio_mode, 0);
+ if (ret != 0) {
+ printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
return -EREMOTEIO;
}
@@ -961,12 +926,15 @@ tune_channel:
if (priv->pll_register_no != 0) {
msleep(20);
- xc5000_readreg(priv, priv->pll_register_no, &pll_lock_status);
+ ret = xc5000_readreg(priv, priv->pll_register_no,
+ &pll_lock_status);
+ if (ret)
+ return ret;
if (pll_lock_status > 63) {
/* PLL is unlocked, force reload of the firmware */
dprintk(1, "xc5000: PLL not locked (0x%x). Reloading...\n",
pll_lock_status);
- if (xc_load_fw_and_init_tuner(fe, 1) != XC_RESULT_SUCCESS) {
+ if (xc_load_fw_and_init_tuner(fe, 1) != 0) {
printk(KERN_ERR "xc5000: Unable to reload fw\n");
return -EREMOTEIO;
}
@@ -977,12 +945,11 @@ tune_channel:
return 0;
}
-static int xc5000_set_radio_freq(struct dvb_frontend *fe,
- struct analog_parameters *params)
+static int xc5000_config_radio(struct dvb_frontend *fe,
+ struct analog_parameters *params)
+
{
struct xc5000_priv *priv = fe->tuner_priv;
- int ret = -EINVAL;
- u8 radio_input;
dprintk(1, "%s() frequency=%d (in units of khz)\n",
__func__, params->frequency);
@@ -992,34 +959,42 @@ static int xc5000_set_radio_freq(struct dvb_frontend *fe,
return -EINVAL;
}
+ priv->freq_hz = params->frequency * 125 / 2;
+ priv->rf_mode = XC_RF_MODE_AIR;
+
+ return 0;
+}
+
+static int xc5000_set_radio_freq(struct dvb_frontend *fe)
+{
+ struct xc5000_priv *priv = fe->tuner_priv;
+ int ret;
+ u8 radio_input;
+
if (priv->radio_input == XC5000_RADIO_FM1)
- radio_input = FM_Radio_INPUT1;
+ radio_input = FM_RADIO_INPUT1;
else if (priv->radio_input == XC5000_RADIO_FM2)
- radio_input = FM_Radio_INPUT2;
+ radio_input = FM_RADIO_INPUT2;
else if (priv->radio_input == XC5000_RADIO_FM1_MONO)
- radio_input = FM_Radio_INPUT1_MONO;
+ radio_input = FM_RADIO_INPUT1_MONO;
else {
dprintk(1, "%s() unknown radio input %d\n", __func__,
priv->radio_input);
return -EINVAL;
}
- priv->freq_hz = params->frequency * 125 / 2;
-
- priv->rf_mode = XC_RF_MODE_AIR;
-
- ret = xc_SetTVStandard(priv, XC5000_Standard[radio_input].VideoMode,
- XC5000_Standard[radio_input].AudioMode, radio_input);
+ ret = xc_set_tv_standard(priv, xc5000_standard[radio_input].video_mode,
+ xc5000_standard[radio_input].audio_mode, radio_input);
- if (ret != XC_RESULT_SUCCESS) {
- printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
+ if (ret != 0) {
+ printk(KERN_ERR "xc5000: xc_set_tv_standard failed\n");
return -EREMOTEIO;
}
- ret = xc_SetSignalSource(priv, priv->rf_mode);
- if (ret != XC_RESULT_SUCCESS) {
+ ret = xc_set_signal_source(priv, priv->rf_mode);
+ if (ret != 0) {
printk(KERN_ERR
- "xc5000: xc_SetSignalSource(%d) failed\n",
+ "xc5000: xc_set_signal_source(%d) failed\n",
priv->rf_mode);
return -EREMOTEIO;
}
@@ -1035,39 +1010,58 @@ static int xc5000_set_radio_freq(struct dvb_frontend *fe,
return 0;
}
+static int xc5000_set_params(struct dvb_frontend *fe)
+{
+ struct xc5000_priv *priv = fe->tuner_priv;
+
+ if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
+ dprintk(1, "Unable to load firmware and init tuner\n");
+ return -EINVAL;
+ }
+
+ switch (priv->mode) {
+ case V4L2_TUNER_RADIO:
+ return xc5000_set_radio_freq(fe);
+ case V4L2_TUNER_ANALOG_TV:
+ return xc5000_set_tv_freq(fe);
+ case V4L2_TUNER_DIGITAL_TV:
+ return xc5000_tune_digital(fe);
+ }
+
+ return 0;
+}
+
static int xc5000_set_analog_params(struct dvb_frontend *fe,
struct analog_parameters *params)
{
struct xc5000_priv *priv = fe->tuner_priv;
- int ret = -EINVAL;
+ int ret;
if (priv->i2c_props.adap == NULL)
return -EINVAL;
- if (xc_load_fw_and_init_tuner(fe, 0) != XC_RESULT_SUCCESS) {
- dprintk(1, "Unable to load firmware and init tuner\n");
- return -EINVAL;
- }
-
switch (params->mode) {
case V4L2_TUNER_RADIO:
- ret = xc5000_set_radio_freq(fe, params);
+ ret = xc5000_config_radio(fe, params);
+ if (ret)
+ return ret;
break;
case V4L2_TUNER_ANALOG_TV:
- case V4L2_TUNER_DIGITAL_TV:
- ret = xc5000_set_tv_freq(fe, params);
+ xc5000_config_tv(fe, params);
+ break;
+ default:
break;
}
+ priv->mode = params->mode;
- return ret;
+ return xc5000_set_params(fe);
}
-
static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq)
{
struct xc5000_priv *priv = fe->tuner_priv;
dprintk(1, "%s()\n", __func__);
- *freq = priv->freq_hz;
+ *freq = priv->freq_hz + priv->freq_offset;
return 0;
}
@@ -1105,99 +1099,182 @@ static int xc5000_get_status(struct dvb_frontend *fe, u32 *status)
static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe, int force)
{
struct xc5000_priv *priv = fe->tuner_priv;
- int ret = XC_RESULT_SUCCESS;
+ const struct xc5000_fw_cfg *desired_fw = xc5000_assign_firmware(priv->chip_id);
+ const struct firmware *fw;
+ int ret, i;
u16 pll_lock_status;
u16 fw_ck;
- if (force || xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) {
+ cancel_delayed_work(&priv->timer_sleep);
-fw_retry:
+ if (!force && xc5000_is_firmware_loaded(fe) == 0)
+ return 0;
- ret = xc5000_fwupload(fe);
- if (ret != XC_RESULT_SUCCESS)
- return ret;
+ ret = request_firmware(&fw, desired_fw->name,
+ priv->i2c_props.adap->dev.parent);
+ if (ret) {
+ pr_err("xc5000: Upload failed. rc %d\n", ret);
+ return ret;
+ }
+ dprintk(1, "firmware read %zu bytes.\n", fw->size);
+
+ if (fw->size != desired_fw->size) {
+ pr_err("xc5000: Firmware file with incorrect size\n");
+ release_firmware(fw);
+ return -EINVAL;
+ }
+
+ /* Try up to 5 times to load firmware */
+ for (i = 0; i < 5; i++) {
+ if (i)
+ printk(KERN_CONT " - retrying to upload firmware.\n");
+
+ ret = xc5000_fwupload(fe, desired_fw, fw);
+ if (ret != 0)
+ goto err;
msleep(20);
if (priv->fw_checksum_supported) {
- if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)
- != XC_RESULT_SUCCESS) {
- dprintk(1, "%s() FW checksum reading failed.\n",
- __func__);
- goto fw_retry;
+ if (xc5000_readreg(priv, XREG_FW_CHECKSUM, &fw_ck)) {
+ printk(KERN_ERR
+ "xc5000: FW checksum reading failed.");
+ continue;
}
- if (fw_ck == 0) {
- dprintk(1, "%s() FW checksum failed = 0x%04x\n",
- __func__, fw_ck);
- goto fw_retry;
+ if (!fw_ck) {
+ printk(KERN_ERR
+ "xc5000: FW checksum failed = 0x%04x.",
+ fw_ck);
+ continue;
}
}
/* Start the tuner self-calibration process */
- ret |= xc_initialize(priv);
-
- if (ret != XC_RESULT_SUCCESS)
- goto fw_retry;
+ ret = xc_initialize(priv);
+ if (ret) {
+ printk(KERN_ERR "xc5000: Can't request self-calibration.");
+ continue;
+ }
/* Wait for calibration to complete.
* We could continue but XC5000 will clock stretch subsequent
* I2C transactions until calibration is complete. This way we
* don't have to rely on clock stretching working.
*/
- xc_wait(100);
+ msleep(100);
if (priv->init_status_supported) {
- if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck) != XC_RESULT_SUCCESS) {
- dprintk(1, "%s() FW failed reading init status.\n",
- __func__);
- goto fw_retry;
+ if (xc5000_readreg(priv, XREG_INIT_STATUS, &fw_ck)) {
+ printk(KERN_ERR
+ "xc5000: FW failed reading init status.");
+ continue;
}
- if (fw_ck == 0) {
- dprintk(1, "%s() FW init status failed = 0x%04x\n", __func__, fw_ck);
- goto fw_retry;
+ if (!fw_ck) {
+ printk(KERN_ERR
+ "xc5000: FW init status failed = 0x%04x.",
+ fw_ck);
+ continue;
}
}
if (priv->pll_register_no) {
- xc5000_readreg(priv, priv->pll_register_no,
- &pll_lock_status);
+ ret = xc5000_readreg(priv, priv->pll_register_no,
+ &pll_lock_status);
+ if (ret)
+ continue;
if (pll_lock_status > 63) {
/* PLL is unlocked, force reload of the firmware */
- printk(KERN_ERR "xc5000: PLL not running after fwload.\n");
- goto fw_retry;
+ printk(KERN_ERR
+ "xc5000: PLL not running after fwload.");
+ continue;
}
}
/* Default to "CABLE" mode */
- ret |= xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
+ ret = xc_write_reg(priv, XREG_SIGNALSOURCE, XC_RF_MODE_CABLE);
+ if (!ret)
+ break;
+ printk(KERN_ERR "xc5000: can't set to cable mode.");
}
+err:
+ release_firmware(fw);
+ if (!ret)
+ printk(KERN_INFO "xc5000: Firmware %s loaded and running.\n",
+ desired_fw->name);
+ else
+ printk(KERN_CONT " - too many retries. Giving up\n");
+
return ret;
}
-static int xc5000_sleep(struct dvb_frontend *fe)
+static void xc5000_do_timer_sleep(struct work_struct *timer_sleep)
{
+ struct xc5000_priv *priv =container_of(timer_sleep, struct xc5000_priv,
+ timer_sleep.work);
+ struct dvb_frontend *fe = priv->fe;
int ret;
dprintk(1, "%s()\n", __func__);
+ /* 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_tuner_reset(fe);
+ if (ret != 0)
+ printk(KERN_ERR
+ "xc5000: %s() unable to shutdown tuner\n",
+ __func__);
+}
+
+static int xc5000_sleep(struct dvb_frontend *fe)
+{
+ struct xc5000_priv *priv = fe->tuner_priv;
+
+ dprintk(1, "%s()\n", __func__);
+
/* Avoid firmware reload on slow devices */
if (no_poweroff)
return 0;
- /* 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) {
+ schedule_delayed_work(&priv->timer_sleep,
+ msecs_to_jiffies(XC5000_SLEEP_TIME));
+
+ return 0;
+}
+
+static int xc5000_suspend(struct dvb_frontend *fe)
+{
+ struct xc5000_priv *priv = fe->tuner_priv;
+ int ret;
+
+ dprintk(1, "%s()\n", __func__);
+
+ cancel_delayed_work(&priv->timer_sleep);
+
+ ret = xc5000_tuner_reset(fe);
+ if (ret != 0)
printk(KERN_ERR
"xc5000: %s() unable to shutdown tuner\n",
__func__);
- return -EREMOTEIO;
- } else
- return XC_RESULT_SUCCESS;
+
+ return 0;
+}
+
+static int xc5000_resume(struct dvb_frontend *fe)
+{
+ struct xc5000_priv *priv = fe->tuner_priv;
+
+ dprintk(1, "%s()\n", __func__);
+
+ /* suspended before firmware is loaded.
+ Avoid firmware load in resume path. */
+ if (!priv->inited)
+ return 0;
+
+ return xc5000_set_params(fe);
}
static int xc5000_init(struct dvb_frontend *fe)
@@ -1205,7 +1282,7 @@ static int xc5000_init(struct dvb_frontend *fe)
struct xc5000_priv *priv = fe->tuner_priv;
dprintk(1, "%s()\n", __func__);
- if (xc_load_fw_and_init_tuner(fe, 0) != XC_RESULT_SUCCESS) {
+ if (xc_load_fw_and_init_tuner(fe, 0) != 0) {
printk(KERN_ERR "xc5000: Unable to initialise tuner\n");
return -EREMOTEIO;
}
@@ -1213,10 +1290,12 @@ static int xc5000_init(struct dvb_frontend *fe)
if (debug)
xc_debug_dump(priv);
+ priv->inited = true;
+
return 0;
}
-static int xc5000_release(struct dvb_frontend *fe)
+static void xc5000_release(struct dvb_frontend *fe)
{
struct xc5000_priv *priv = fe->tuner_priv;
@@ -1224,14 +1303,14 @@ static int xc5000_release(struct dvb_frontend *fe)
mutex_lock(&xc5000_list_mutex);
- if (priv)
+ if (priv) {
+ cancel_delayed_work_sync(&priv->timer_sleep);
hybrid_tuner_release_state(priv);
+ }
mutex_unlock(&xc5000_list_mutex);
fe->tuner_priv = NULL;
-
- return 0;
}
static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
@@ -1247,24 +1326,29 @@ static int xc5000_set_config(struct dvb_frontend *fe, void *priv_cfg)
if (p->radio_input)
priv->radio_input = p->radio_input;
+ if (p->output_amp)
+ priv->output_amp = p->output_amp;
+
return 0;
}
static const struct dvb_tuner_ops xc5000_tuner_ops = {
.info = {
- .name = "Xceive XC5000",
- .frequency_min = 1000000,
- .frequency_max = 1023000000,
- .frequency_step = 50000,
+ .name = "Xceive XC5000",
+ .frequency_min_hz = 1 * MHz,
+ .frequency_max_hz = 1023 * MHz,
+ .frequency_step_hz = 50 * kHz,
},
.release = xc5000_release,
.init = xc5000_init,
.sleep = xc5000_sleep,
+ .suspend = xc5000_suspend,
+ .resume = xc5000_resume,
.set_config = xc5000_set_config,
- .set_params = xc5000_set_params,
+ .set_params = xc5000_set_digital_params,
.set_analog_params = xc5000_set_analog_params,
.get_frequency = xc5000_get_frequency,
.get_if_frequency = xc5000_get_if_frequency,
@@ -1292,11 +1376,12 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
switch (instance) {
case 0:
goto fail;
- break;
case 1:
/* new tuner instance */
priv->bandwidth = 6000000;
fe->tuner_priv = priv;
+ priv->fe = fe;
+ INIT_DELAYED_WORK(&priv->timer_sleep, xc5000_do_timer_sleep);
break;
default:
/* existing tuner instance */
@@ -1324,10 +1409,16 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe,
it can be overridden if this is a hybrid driver */
priv->chip_id = (cfg->chip_id) ? cfg->chip_id : 0;
+ /* don't override output_amp if it's already been set
+ unless explicitly specified */
+ if ((priv->output_amp == 0) || (cfg->output_amp))
+ /* use default output_amp value if none specified */
+ priv->output_amp = (cfg->output_amp) ? cfg->output_amp : 0x8a;
+
/* 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) != XC_RESULT_SUCCESS)
+ if (xc5000_readreg(priv, XREG_PRODUCT_ID, &id) != 0)
goto fail;
switch (id) {
@@ -1364,7 +1455,7 @@ fail:
xc5000_release(fe);
return NULL;
}
-EXPORT_SYMBOL(xc5000_attach);
+EXPORT_SYMBOL_GPL(xc5000_attach);
MODULE_AUTHOR("Steven Toth");
MODULE_DESCRIPTION("Xceive xc5000 silicon tuner driver");
generated by cgit (git 2.34.1) at 2025-12-25 15:08:22 +0000