V4L/DVB (7042): xc5000: Tuner analog support
From Zhang: This an updated patch that adds analog support for
the xc5000 tuner driver. it was tested on a Pinnacle PCTV HD 800i
card (patches to follow).
Patch commited as-is, cleanup to follow ... Steve.
Signed-off-by: Chaogui Zhang <czhang1974@gmail.com>
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/Documentation/video4linux/CARDLIST.tuner b/Documentation/video4linux/CARDLIST.tuner
index 2211c8e..0e23946 100644
--- a/Documentation/video4linux/CARDLIST.tuner
+++ b/Documentation/video4linux/CARDLIST.tuner
@@ -73,3 +73,4 @@
tuner=72 - Thomson FE6600
tuner=73 - Samsung TCPG 6121P30A
tuner=75 - Philips TEA5761 FM Radio
+tuner=76 - Xceive 5000 tuner
diff --git a/drivers/media/dvb/frontends/xc5000.c b/drivers/media/dvb/frontends/xc5000.c
index a036530..28048d5 100644
--- a/drivers/media/dvb/frontends/xc5000.c
+++ b/drivers/media/dvb/frontends/xc5000.c
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/videodev2.h>
#include <linux/delay.h>
#include <linux/dvb/frontend.h>
#include <linux/i2c.h>
@@ -56,6 +57,10 @@
#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
+
/* Registers */
#define XREG_INIT 0x00
#define XREG_VIDEO_MODE 0x01
@@ -122,7 +127,29 @@
} XC_TV_STANDARD;
/* Tuner standards */
-#define DTV6 17
+#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 BG_PAL_A2 4
+#define BG_PAL_NICAM 5
+#define BG_PAL_MONO 6
+#define I_PAL_NICAM 7
+#define I_PAL_NICAM_MONO 8
+#define DK_PAL_A2 9
+#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 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
XC_TV_STANDARD XC5000_Standard[MAX_TV_STANDARD] = {
{"M/N-NTSC/PAL-BTSC", 0x0400, 0x8020},
@@ -184,12 +211,13 @@
dprintk(1, "%s()\n", __FUNCTION__);
- if (priv->cfg->tuner_reset) {
- ret = priv->cfg->tuner_reset(fe);
+ if (priv->cfg->tuner_callback) {
+ ret = priv->cfg->tuner_callback(priv->cfg->video_dev,
+ XC5000_TUNER_RESET, 0);
if (ret)
printk(KERN_ERR "xc5000: reset failed\n");
} else
- printk(KERN_ERR "xc5000: no tuner reset function, fatal\n");
+ printk(KERN_ERR "xc5000: no tuner reset callback function, fatal\n");
}
static int xc_write_reg(struct xc5000_priv *priv, u16 regAddr, u16 i2cData)
@@ -259,7 +287,6 @@
index=0;
while ((i2c_sequence[index]!=0xFF) || (i2c_sequence[index+1]!=0xFF)) {
-
len = i2c_sequence[index]* 256 + i2c_sequence[index+1];
if (len == 0x0000) {
/* RESET command */
@@ -311,7 +338,7 @@
u16 VideoMode, u16 AudioMode)
{
int ret;
- dprintk(1, "%s(%d,%d)\n", __FUNCTION__, VideoMode, AudioMode);
+ dprintk(1, "%s(0x%04x,0x%04x)\n", __FUNCTION__, VideoMode, AudioMode);
dprintk(1, "%s() Standard = %s\n",
__FUNCTION__,
XC5000_Standard[priv->video_standard].Name);
@@ -325,7 +352,11 @@
static int xc_shutdown(struct xc5000_priv *priv)
{
- return xc_write_reg(priv, XREG_POWER_DOWN, 0);
+ return 0;
+ /* 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)
@@ -349,7 +380,7 @@
{
u16 freq_code;
- dprintk(1, "%s(%d)\n", __FUNCTION__, freq_hz);
+ dprintk(1, "%s(%u)\n", __FUNCTION__, freq_hz);
if ((freq_hz > xc5000_tuner_ops.info.frequency_max) ||
(freq_hz < xc5000_tuner_ops.info.frequency_min))
@@ -457,7 +488,7 @@
{
int found = 0;
- dprintk(1, "%s(%d)\n", __FUNCTION__, freq_hz);
+ dprintk(1, "%s(%u)\n", __FUNCTION__, freq_hz);
if (xc_set_RF_frequency(priv, freq_hz) != XC_RESULT_SUCCESS)
return 0;
@@ -480,7 +511,7 @@
};
if (i2c_transfer(priv->i2c, msg, 2) != 2) {
- printk(KERN_WARNING "xc5000 I2C read failed\n");
+ printk(KERN_WARNING "xc5000: I2C read failed\n");
return -EREMOTEIO;
}
@@ -494,7 +525,7 @@
.flags = 0, .buf = buf, .len = len };
if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
- printk(KERN_ERR "xc5000 I2C write failed (len=%i)\n",
+ printk(KERN_ERR "xc5000: I2C write failed (len=%i)\n",
(int)len);
return -EREMOTEIO;
}
@@ -519,16 +550,11 @@
const struct firmware *fw;
int ret;
- if (!priv->cfg->request_firmware) {
- printk(KERN_ERR "xc5000: no firmware callback, fatal\n");
- return -EIO;
- }
-
/* request the firmware, this will block and timeout */
printk(KERN_INFO "xc5000: waiting for firmware upload (%s)...\n",
XC5000_DEFAULT_FIRMWARE);
- ret = priv->cfg->request_firmware(fe, &fw, XC5000_DEFAULT_FIRMWARE);
+ ret = request_firmware(&fw, XC5000_DEFAULT_FIRMWARE, &priv->i2c->dev);
if (ret) {
printk(KERN_ERR "xc5000: Upload failed. (file not found?)\n");
ret = XC_RESULT_RESET_FAILURE;
@@ -601,7 +627,6 @@
dprintk(1, "%s() frequency=%d (Hz)\n", __FUNCTION__, params->frequency);
-
switch(params->u.vsb.modulation) {
case VSB_8:
case VSB_16:
@@ -658,6 +683,93 @@
return 0;
}
+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)
+{
+ struct xc5000_priv *priv = fe->tuner_priv;
+ int ret;
+
+ if(priv->fwloaded == 0)
+ xc_load_fw_and_init_tuner(fe);
+
+ dprintk(1, "%s() frequency=%d (in units of 62.5khz)\n",
+ __FUNCTION__, params->frequency);
+
+ priv->rf_mode = XC_RF_MODE_CABLE; /* Fix me: it could be air. */
+
+ /* params->frequency is in units of 62.5khz */
+ priv->freq_hz = params->frequency * 62500;
+
+ /* FIX ME: Some video standards may have several possible audio
+ standards. We simply default to one of them here.
+ */
+ if(params->std & V4L2_STD_MN) {
+ /* default to BTSC audio standard */
+ priv->video_standard = MN_NTSC_PAL_BTSC;
+ goto tune_channel;
+ }
+
+ if(params->std & V4L2_STD_PAL_BG) {
+ /* default to NICAM audio standard */
+ priv->video_standard = BG_PAL_NICAM;
+ goto tune_channel;
+ }
+
+ if(params->std & V4L2_STD_PAL_I) {
+ /* default to NICAM audio standard */
+ priv->video_standard = I_PAL_NICAM;
+ goto tune_channel;
+ }
+
+ if(params->std & V4L2_STD_PAL_DK) {
+ /* default to NICAM audio standard */
+ priv->video_standard = DK_PAL_NICAM;
+ goto tune_channel;
+ }
+
+ if(params->std & V4L2_STD_SECAM_DK) {
+ /* default to A2 DK1 audio standard */
+ priv->video_standard = DK_SECAM_A2DK1;
+ goto tune_channel;
+ }
+
+ if(params->std & V4L2_STD_SECAM_L) {
+ priv->video_standard = L_SECAM_NICAM;
+ goto tune_channel;
+ }
+
+ if(params->std & V4L2_STD_SECAM_LC) {
+ priv->video_standard = LC_SECAM_NICAM;
+ goto tune_channel;
+ }
+
+tune_channel:
+ 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);
+ if (ret != XC_RESULT_SUCCESS) {
+ printk(KERN_ERR "xc5000: xc_SetTVStandard failed\n");
+ return -EREMOTEIO;
+ }
+
+ xc_tune_channel(priv, priv->freq_hz);
+
+ if (debug)
+ xc_debug_dump(priv);
+
+ return 0;
+}
+
static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq)
{
struct xc5000_priv *priv = fe->tuner_priv;
@@ -670,6 +782,7 @@
{
struct xc5000_priv *priv = fe->tuner_priv;
dprintk(1, "%s()\n", __FUNCTION__);
+
*bw = priv->bandwidth;
return 0;
}
@@ -691,13 +804,12 @@
static int xc_load_fw_and_init_tuner(struct dvb_frontend *fe)
{
struct xc5000_priv *priv = fe->tuner_priv;
- int ret;
+ int ret = 0;
if (priv->fwloaded == 0) {
ret = xc5000_fwupload(fe);
if (ret != XC_RESULT_SUCCESS)
return ret;
-
priv->fwloaded = 1;
}
@@ -720,9 +832,27 @@
static int xc5000_sleep(struct dvb_frontend *fe)
{
struct xc5000_priv *priv = fe->tuner_priv;
+ int ret;
+
dprintk(1, "%s()\n", __FUNCTION__);
- return xc_shutdown(priv);
+ /* On Pinnacle PCTV HD 800i, the tuner cannot be reinitialized
+ * once shutdown without reloading the driver. Maybe I am not
+ * doing something right.
+ *
+ */
+
+ ret = xc_shutdown(priv);
+ if(ret != XC_RESULT_SUCCESS) {
+ printk(KERN_ERR
+ "xc5000: %s() unable to shutdown tuner\n",
+ __FUNCTION__);
+ return -EREMOTEIO;
+ }
+ else {
+ /* priv->fwloaded = 0; */
+ return XC_RESULT_SUCCESS;
+ }
}
static int xc5000_init(struct dvb_frontend *fe)
@@ -757,14 +887,15 @@
.frequency_step = 50000,
},
- .release = xc5000_release,
- .init = xc5000_init,
- .sleep = xc5000_sleep,
+ .release = xc5000_release,
+ .init = xc5000_init,
+ .sleep = xc5000_sleep,
- .set_params = xc5000_set_params,
- .get_frequency = xc5000_get_frequency,
- .get_bandwidth = xc5000_get_bandwidth,
- .get_status = xc5000_get_status
+ .set_params = xc5000_set_params,
+ .set_analog_params = xc5000_set_analog_params,
+ .get_frequency = xc5000_get_frequency,
+ .get_bandwidth = xc5000_get_bandwidth,
+ .get_status = xc5000_get_status
};
struct dvb_frontend * xc5000_attach(struct dvb_frontend *fe,
@@ -783,14 +914,33 @@
priv->cfg = cfg;
priv->bandwidth = BANDWIDTH_6_MHZ;
priv->i2c = i2c;
- priv->fwloaded = 0;
+ /* 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) {
kfree(priv);
return NULL;
}
- if ((id != 0x2000) && (id != 0x1388)) {
+ switch(id) {
+ case XC_PRODUCT_ID_FW_LOADED:
+ printk(KERN_INFO
+ "xc5000: Successfully identified at address 0x%02x\n",
+ cfg->i2c_address);
+ printk(KERN_INFO
+ "xc5000: Firmware has been loaded previously\n");
+ priv->fwloaded = 1;
+ break;
+ case XC_PRODUCT_ID_FW_NOT_LOADED:
+ printk(KERN_INFO
+ "xc5000: Successfully identified at address 0x%02x\n",
+ cfg->i2c_address);
+ printk(KERN_INFO
+ "xc5000: Firmware has not been loaded previously\n");
+ priv->fwloaded = 0;
+ break;
+ default:
printk(KERN_ERR
"xc5000: Device not found at addr 0x%02x (0x%x)\n",
cfg->i2c_address, id);
@@ -798,9 +948,6 @@
return NULL;
}
- printk(KERN_INFO "xc5000: successfully identified at address 0x%02x\n",
- cfg->i2c_address);
-
memcpy(&fe->ops.tuner_ops, &xc5000_tuner_ops,
sizeof(struct dvb_tuner_ops));
diff --git a/drivers/media/dvb/frontends/xc5000.h b/drivers/media/dvb/frontends/xc5000.h
index 941b319..85b2d43 100644
--- a/drivers/media/dvb/frontends/xc5000.h
+++ b/drivers/media/dvb/frontends/xc5000.h
@@ -28,13 +28,15 @@
struct i2c_adapter;
struct xc5000_config {
- u8 i2c_address;
- u32 if_khz;
- int (*request_firmware)(struct dvb_frontend *fe,
- const struct firmware **fw, char *name);
- int (*tuner_reset)(struct dvb_frontend* fe);
+ u8 i2c_address;
+ u32 if_khz;
+ void *video_dev;
+ int (*tuner_callback) (void *dev, int command, int arg);
};
+/* xc5000 callback command */
+#define XC5000_TUNER_RESET 0
+
#if defined(CONFIG_DVB_TUNER_XC5000) || defined(CONFIG_DVB_TUNER_XC5000_MODULE)
extern struct dvb_frontend* xc5000_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 35976e6..16cdeea 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -27,6 +27,7 @@
#include "tuner-xc2028.h"
#include "tuner-simple.h"
#include "tda9887.h"
+#include "xc5000.h"
#define UNSET (-1U)
@@ -329,6 +330,8 @@
tda829x_attach(&t->fe, t->i2c->adapter, t->i2c->addr, &cfg);
}
+static struct xc5000_config xc5000_cfg;
+
static void set_type(struct i2c_client *c, unsigned int type,
unsigned int new_mode_mask, unsigned int new_config,
int (*tuner_callback) (void *dev, int command,int arg))
@@ -428,6 +431,23 @@
case TUNER_TDA9887:
tda9887_attach(&t->fe, t->i2c->adapter, t->i2c->addr);
break;
+ case TUNER_XC5000:
+ xc5000_cfg.i2c_address = t->i2c->addr;
+ xc5000_cfg.if_khz = 5380;
+ xc5000_cfg.video_dev = c->adapter->algo_data;
+ xc5000_cfg.tuner_callback = t->tuner_callback;
+ if (!xc5000_attach(&t->fe, t->i2c->adapter, &xc5000_cfg)) {
+ t->type = TUNER_ABSENT;
+ t->mode_mask = T_UNINITIALIZED;
+ return;
+ }
+ {
+ struct dvb_tuner_ops *xc_tuner_ops;
+ xc_tuner_ops = &t->fe.ops.tuner_ops;
+ if(xc_tuner_ops->init != NULL)
+ xc_tuner_ops->init(&t->fe);
+ }
+ break;
default:
attach_simple_tuner(t);
break;
diff --git a/drivers/media/video/tuner-types.c b/drivers/media/video/tuner-types.c
index e2cd05a..883047f 100644
--- a/drivers/media/video/tuner-types.c
+++ b/drivers/media/video/tuner-types.c
@@ -1475,6 +1475,10 @@
.name = "Philips TEA5761 FM Radio",
/* see tea5767.c for details */
},
+ [TUNER_XC5000] = { /* Xceive 5000 */
+ .name = "Xceive 5000 tuner",
+ /* see xc5000.c for details */
+ },
};
unsigned const int tuner_count = ARRAY_SIZE(tuners);
diff --git a/include/media/tuner.h b/include/media/tuner.h
index 97be269..1bf24a6 100644
--- a/include/media/tuner.h
+++ b/include/media/tuner.h
@@ -121,6 +121,7 @@
#define TUNER_SAMSUNG_TCPG_6121P30A 73 /* Hauppauge PVR-500 PAL */
#define TUNER_TDA9887 74 /* This tuner should be used only internally */
#define TUNER_TEA5761 75 /* Only FM Radio Tuner */
+#define TUNER_XC5000 76 /* Xceive Silicon Tuner */
/* tv card specific */
#define TDA9887_PRESENT (1<<0)