#include <linux/delay.h>
#include <media/tuner.h>
#include <linux/mutex.h>
-#include "tuner-driver.h"
+#include "tuner-i2c.h"
#include "tuner-xc2028.h"
#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"
-/* digital TV standards */
-#define V4L2_STD_DTV_6MHZ ((v4l2_std_id)0x04000000)
-#define V4L2_STD_DTV_7MHZ ((v4l2_std_id)0x08000000)
-#define V4L2_STD_DTV_8MHZ ((v4l2_std_id)0x10000000)
+#define PREFIX "xc2028 "
+
+static LIST_HEAD(xc2028_list);
/* Firmwares used on tm5600/tm6000 + xc2028/xc3028 */
static const char *firmware_MN = "tm_xc3028_MN_BTSC.fw";
struct xc2028_data {
+ struct list_head xc2028_list;
+ struct tuner_i2c_props i2c_props;
+ int (*tuner_callback) (void *dev,
+ int command, int arg);
+ struct device *dev;
+ void *video_dev;
+ int count;
+ u32 frequency;
+
v4l2_std_id firm_type; /* video stds supported
by current firmware */
fe_bandwidth_t bandwidth; /* Firmware bandwidth:
were loaded? */
enum tuner_mode mode;
struct i2c_client *i2c_client;
-
- struct mutex lock;
+
+ struct mutex lock;
};
-#define i2c_send(rc,c,buf,size) \
-if (size != (rc = i2c_master_send(c, buf, size))) \
- tuner_warn("i2c output error: rc = %d (should be %d)\n", \
+#define i2c_send(rc, priv, buf, size) \
+if (size != (rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size))) \
+ tuner_info("i2c output error: rc = %d (should be %d)\n", \
rc, (int)size);
-#define i2c_rcv(rc,c,buf,size) \
-if (size != (rc = i2c_master_recv(c, buf, size))) \
- tuner_warn("i2c input error: rc = %d (should be %d)\n", \
+#define i2c_rcv(rc, priv, buf, size) \
+if (size != (rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size))) \
+ tuner_info("i2c input error: rc = %d (should be %d)\n", \
rc, (int)size);
-#define send_seq(c, data...) \
+#define send_seq(priv, data...) \
{ int rc; \
- const static u8 _val[] = data; \
+ static u8 _val[] = data; \
if (sizeof(_val) != \
- (rc = i2c_master_send \
- (c, _val, sizeof(_val)))) { \
- printk(KERN_ERR "Error on line %d: %d\n",__LINE__,rc); \
- return; \
+ (rc = tuner_i2c_xfer_send (&priv->i2c_props, \
+ _val, sizeof(_val)))) { \
+ tuner_info("Error on line %d: %d\n",__LINE__,rc); \
+ return -EINVAL; \
} \
msleep (10); \
}
-static int xc2028_get_reg(struct i2c_client *c, u16 reg)
+static int xc2028_get_reg(struct xc2028_data *priv, u16 reg)
{
int rc;
unsigned char buf[1];
- struct tuner *t = i2c_get_clientdata(c);
+
+ tuner_info("%s called\n", __FUNCTION__);
buf[0]= reg;
- i2c_send(rc, c, buf, sizeof(buf));
+ i2c_send(rc, priv, buf, sizeof(buf));
if (rc<0)
return rc;
- i2c_rcv(rc, c, buf, 2);
+ i2c_rcv(rc, priv, buf, 2);
if (rc<0)
return rc;
return (buf[1])|(buf[0]<<8);
}
-static int load_firmware (struct i2c_client *c, const char *name)
+static int load_firmware (struct dvb_frontend *fe, const char *name)
{
+ struct xc2028_data *priv = fe->tuner_priv;
const struct firmware *fw=NULL;
- struct tuner *t = i2c_get_clientdata(c);
unsigned char *p, *endp;
int len=0, rc=0;
static const char firmware_ver[] = "tm6000/xcv v1";
- tuner_info("xc2028: Loading firmware %s\n", name);
- rc = request_firmware(&fw, name, &c->dev);
+ tuner_info("%s called\n", __FUNCTION__);
+
+ tuner_info("Loading firmware %s\n", name);
+ rc = request_firmware(&fw, name, priv->dev);
if (rc < 0) {
if (rc==-ENOENT)
tuner_info("Error: firmware %s not found.\n", name);
while(p<endp) {
if ((*p) & 0x80) {
/* Special callback command received */
- rc = t->tuner_callback(c->adapter->algo_data,
+ rc = priv->tuner_callback(priv->video_dev,
XC2028_TUNER_RESET, (*p)&0x7f);
if (rc<0) {
tuner_info("Error at RESET code %d\n",
goto err;
}
- i2c_send(rc, c, p, len);
+ i2c_send(rc, priv, p, len);
if (rc<0)
goto err;
p+=len;
return rc;
}
-static int check_firmware(struct i2c_client *c, enum tuner_mode new_mode,
+static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
+ v4l2_std_id std,
fe_bandwidth_t bandwidth)
{
+ struct xc2028_data *priv = fe->tuner_priv;
int rc, version;
- struct tuner *t = i2c_get_clientdata(c);
- struct xc2028_data *xc2028 = t->priv;
const char *name;
int change_digital_bandwidth;
- if (!t->tuner_callback) {
- printk(KERN_ERR "xc2028: need tuner_callback to load firmware\n");
- return -EINVAL;
- }
+ tuner_info("%s called\n", __FUNCTION__);
- printk(KERN_INFO "xc2028: I am in mode %u and I should switch to mode %i\n",
- xc2028->mode, new_mode);
+ tuner_info( "I am in mode %u and I should switch to mode %i\n",
+ priv->mode, new_mode);
/* first of all, determine whether we have switched the mode */
- if(new_mode != xc2028->mode) {
- xc2028->mode = new_mode;
- xc2028->need_load_generic = 1;
+ if(new_mode != priv->mode) {
+ priv->mode = new_mode;
+ priv->need_load_generic = 1;
}
- change_digital_bandwidth = (xc2028->mode == T_DIGITAL_TV
- && bandwidth != xc2028->bandwidth) ? 1 : 0;
- tuner_info("xc2028: old bandwidth %u, new bandwidth %u\n", xc2028->bandwidth,
+ change_digital_bandwidth = (priv->mode == T_DIGITAL_TV
+ && bandwidth != priv->bandwidth) ? 1 : 0;
+ tuner_info("old bandwidth %u, new bandwidth %u\n", priv->bandwidth,
bandwidth);
- if (xc2028->need_load_generic) {
- if (xc2028->bandwidth==8)
+ if (priv->need_load_generic) {
+ if (priv->bandwidth==8)
name = firmware_8MHZ_INIT0;
else
name = firmware_INIT0;
/* Reset is needed before loading firmware */
- rc = t->tuner_callback(c->adapter->algo_data,
- XC2028_TUNER_RESET, 0);
+ rc = priv->tuner_callback(priv->video_dev,
+ XC2028_TUNER_RESET, 0);
if (rc<0)
return rc;
- rc = load_firmware(c,name);
+ rc = load_firmware(fe,name);
if (rc<0)
return rc;
- xc2028->need_load_generic=0;
- xc2028->firm_type=0;
- if(xc2028->mode == T_DIGITAL_TV) {
+ priv->need_load_generic=0;
+ priv->firm_type=0;
+ if(priv->mode == T_DIGITAL_TV) {
change_digital_bandwidth=1;
}
}
- tuner_info("xc2028: I should change bandwidth %u\n",
+ tuner_info("I should change bandwidth %u\n",
change_digital_bandwidth);
+ /* FIXME: t->std makes no sense here */
if (change_digital_bandwidth) {
switch(bandwidth) {
case BANDWIDTH_8_MHZ:
- t->std = V4L2_STD_DTV_8MHZ;
+ std = V4L2_STD_DTV_8MHZ;
break;
case BANDWIDTH_7_MHZ:
- t->std = V4L2_STD_DTV_7MHZ;
+ std = V4L2_STD_DTV_7MHZ;
break;
case BANDWIDTH_6_MHZ:
- t->std = V4L2_STD_DTV_6MHZ;
+ std = V4L2_STD_DTV_6MHZ;
break;
default:
tuner_info("error: bandwidth not supported.\n");
};
- xc2028->bandwidth = bandwidth;
+ priv->bandwidth = bandwidth;
}
- if (xc2028->firm_type & t->std) {
+ if (priv->firm_type & std) {
tuner_info("xc3028: no need to load a std-specific firmware.\n");
return 0;
}
- rc = load_firmware(c,firmware_INIT1);
+ rc = load_firmware(fe,firmware_INIT1);
- if (t->std & V4L2_STD_MN)
+ if (std & V4L2_STD_MN)
name=firmware_MN;
- else if (t->std & V4L2_STD_DTV_6MHZ)
+ else if (std & V4L2_STD_DTV_6MHZ)
name=firmware_6M;
- else if (t->std & V4L2_STD_DTV_7MHZ)
+ else if (std & V4L2_STD_DTV_7MHZ)
name=firmware_7M;
- else if (t->std & V4L2_STD_DTV_8MHZ)
+ else if (std & V4L2_STD_DTV_8MHZ)
name=firmware_8M;
- else if (t->std & V4L2_STD_PAL_B)
+ else if (std & V4L2_STD_PAL_B)
name=firmware_B;
else
name=firmware_DK;
- tuner_info("xc2028: loading firmware named %s.\n", name);
- rc = load_firmware(c, name);
+ tuner_info("loading firmware named %s.\n", name);
+ rc = load_firmware(fe, name);
if (rc<0)
return rc;
- version = xc2028_get_reg(c, 0x4);
+ version = xc2028_get_reg(priv, 0x4);
tuner_info("Firmware version is %d.%d\n",
(version>>4)&0x0f,(version)&0x0f);
- xc2028->firm_type=t->std;
+ priv->firm_type=std;
return 0;
}
-static int xc2028_signal(struct i2c_client *c)
+static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
{
- struct tuner *t = i2c_get_clientdata(c);
- struct xc2028_data *xc2028 = t->priv;
+ struct xc2028_data *priv = fe->tuner_priv;
int frq_lock, signal=0;
- mutex_lock(&xc2028->lock);
+ tuner_info("%s called\n", __FUNCTION__);
- printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
+ mutex_lock(&priv->lock);
- frq_lock = xc2028_get_reg(c, 0x2);
+ *strength = 0;
+
+ frq_lock = xc2028_get_reg(priv, 0x2);
if (frq_lock<=0)
goto ret;
/* Frequency is locked. Return signal quality */
- signal = xc2028_get_reg(c, 0x40);
+ signal = xc2028_get_reg(priv, 0x40);
if(signal<=0) {
signal=frq_lock;
}
ret:
- mutex_unlock(&xc2028->lock);
+ mutex_unlock(&priv->lock);
+
+ *strength = signal;
- return signal;
+ return 0;
}
#define DIV 15625
-static void generic_set_tv_freq(struct i2c_client *c, u32 freq /* in Hz */,
- enum tuner_mode new_mode, fe_bandwidth_t bandwidth)
+static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */,
+ enum tuner_mode new_mode,
+ v4l2_std_id std,
+ fe_bandwidth_t bandwidth)
{
- int rc;
+ struct xc2028_data *priv = fe->tuner_priv;
+ int rc=-EINVAL;
unsigned char buf[5];
- struct tuner *t = i2c_get_clientdata(c);
u32 div, offset = 0;
+ tuner_info("%s called\n", __FUNCTION__);
+
/* HACK: It seems that specific firmware need to be reloaded
when freq is changed */
- struct xc2028_data *xc2028 = t->priv;
- mutex_lock(&xc2028->lock);
+ mutex_lock(&priv->lock);
- xc2028->firm_type=0;
+ priv->firm_type=0;
/* Reset GPIO 1 */
- if (t->tuner_callback) {
- rc = t->tuner_callback( c->adapter->algo_data,
- XC2028_TUNER_RESET, 0);
- if (rc<0)
- goto ret;
- }
+ rc = priv->tuner_callback(priv->video_dev, XC2028_TUNER_RESET, 0);
+ if (rc<0)
+ goto ret;
+
msleep(10);
- printk("xc3028: should set frequency %d kHz)\n", freq / 1000);
+ tuner_info("should set frequency %d kHz)\n", freq / 1000);
- if (check_firmware(c, new_mode, bandwidth)<0)
+ if (check_firmware(fe, new_mode, std, bandwidth)<0)
goto ret;
if(new_mode == T_DIGITAL_TV)
div = (freq - offset + DIV/2)/DIV;
/* CMD= Set frequency */
- send_seq(c, {0x00, 0x02, 0x00, 0x00});
- if (t->tuner_callback) {
- rc = t->tuner_callback( c->adapter->algo_data,
- XC2028_RESET_CLK, 1);
- if (rc<0)
- goto ret;
- }
+ send_seq(priv, {0x00, 0x02, 0x00, 0x00});
+ rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1);
+ if (rc<0)
+ goto ret;
msleep(10);
buf[3]= 0xff & (div);
buf[4]= 0;
- i2c_send(rc, c, buf, sizeof(buf));
+ i2c_send(rc, priv, buf, sizeof(buf));
if (rc<0)
goto ret;
msleep(100);
+ priv->frequency=freq;
+
printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n",
buf[1],buf[2],buf[3],buf[4],
- freq / 16, freq % 16 * 100 / 16);
+ freq / 1000000, (freq%1000000)/10000);
-ret:
- mutex_unlock(&xc2028->lock);
-}
+ rc=0;
+ret:
+ mutex_unlock(&priv->lock);
-static void set_tv_freq(struct i2c_client *c, unsigned int freq)
-{
- printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
-
- generic_set_tv_freq(c, freq * 62500l, T_ANALOG_TV,
- BANDWIDTH_8_MHZ /* unimportant */);
+ return rc;
}
-static void xc2028_release(struct i2c_client *c)
+static int xc2028_set_tv_freq(struct dvb_frontend *fe,
+ struct analog_parameters *p)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct xc2028_data *priv = fe->tuner_priv;
- kfree(t->priv);
- t->priv = NULL;
-}
-
-static struct tuner_operations tea5767_tuner_ops = {
- .set_tv_freq = set_tv_freq,
- .has_signal = xc2028_signal,
- .release = xc2028_release,
-// .is_stereo = xc2028_stereo,
-};
+ tuner_info("%s called\n", __FUNCTION__);
+ return generic_set_tv_freq(fe, 62500l*p->frequency, T_ANALOG_TV,
+ p->std,
+ BANDWIDTH_8_MHZ /* NOT USED */);
+}
-static int init=0;
-
-int xc2028_tuner_init(struct i2c_client *c)
+static int xc2028_set_params(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *p)
{
- struct tuner *t = i2c_get_clientdata(c);
- int version = xc2028_get_reg(c, 0x4);
- int prd_id = xc2028_get_reg(c, 0x8);
- struct xc2028_data *xc2028;
+ struct xc2028_data *priv = fe->tuner_priv;
- tuner_info("Xcv2028/3028 init called!\n");
+ tuner_info("%s called\n", __FUNCTION__);
- if (init) {
- printk (KERN_ERR "Module already initialized!\n");
- return 0;
+ /* FIXME: Only OFDM implemented */
+ if (fe->ops.info.type != FE_OFDM) {
+ tuner_info ("DTV type not implemented.\n");
+ return -EINVAL;
}
- init++;
-
- xc2028 = kzalloc(sizeof(*xc2028), GFP_KERNEL);
- if (!xc2028)
- return -ENOMEM;
- t->priv = xc2028;
- xc2028->bandwidth=BANDWIDTH_6_MHZ;
- xc2028->need_load_generic=1;
- xc2028->mode = T_UNINITIALIZED;
+ return generic_set_tv_freq(fe, p->frequency, T_DIGITAL_TV,
+ 0, /* NOT USED */
+ p->u.ofdm.bandwidth);
- mutex_init(&xc2028->lock);
-
- /* FIXME: Check where t->priv will be freed */
-
- if (version<0)
- version=0;
-
- if (prd_id<0)
- prd_id=0;
-
- strlcpy(c->name, "xc2028", sizeof(c->name));
- tuner_info("type set to %d (%s, hw ver=%d.%d, fw ver=%d.%d, id=0x%04x)\n",
- t->type, c->name,
- (version>>12)&0x0f,(version>>8)&0x0f,
- (version>>4)&0x0f,(version)&0x0f, prd_id);
-
- memcpy(&t->ops, &tea5767_tuner_ops, sizeof(struct tuner_operations));
-
- return 0;
}
-static int xc3028_set_params(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
+static int xc2028_dvb_release(struct dvb_frontend *fe)
{
- struct i2c_client *c = fe->tuner_priv;
+ struct xc2028_data *priv = fe->tuner_priv;
+
+ tuner_info("%s called\n", __FUNCTION__);
- printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
+ priv->count--;
- generic_set_tv_freq(c, p->frequency, T_DIGITAL_TV,
- p->u.ofdm.bandwidth);
+ if (!priv->count)
+ kfree (priv);
return 0;
}
-static int xc3028_dvb_release(struct dvb_frontend *fe)
+static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{
- printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
+ struct xc2028_data *priv = fe->tuner_priv;
- fe->tuner_priv = NULL;
+ tuner_info("%s called\n", __FUNCTION__);
- return 0;
-}
-
-static int xc3028_dvb_init(struct dvb_frontend *fe)
-{
- printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
+ *frequency = priv->frequency;
return 0;
}
-static const struct dvb_tuner_ops xc3028_dvb_tuner_ops = {
+static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = {
.info = {
.name = "Xceive XC3028",
.frequency_min = 42000000,
.frequency_step = 50000,
},
- .release = xc3028_dvb_release,
- .init = xc3028_dvb_init,
+ .set_analog_params = xc2028_set_tv_freq,
+ .release = xc2028_dvb_release,
+ .get_frequency = xc2028_get_frequency,
+ .get_rf_strength = xc2028_signal,
+ .set_params = xc2028_set_params,
// int (*sleep)(struct dvb_frontend *fe);
-
- /** This is for simple PLLs - set all parameters in one go. */
- .set_params = xc3028_set_params,
-
- /** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
-// int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
-
-// int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
// int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
-
// int (*get_status)(struct dvb_frontend *fe, u32 *status);
};
-int xc2028_attach(struct i2c_client *c, struct dvb_frontend *fe)
+int xc2028_attach(struct dvb_frontend *fe, struct i2c_adapter* i2c_adap,
+ u8 i2c_addr, struct device *dev, void *video_dev,
+ int (*tuner_callback) (void *dev, int command,int arg))
{
- fe->tuner_priv = c;
+ struct xc2028_data *priv;
- memcpy(&fe->ops.tuner_ops, &xc3028_dvb_tuner_ops, sizeof(fe->ops.tuner_ops));
+ printk( KERN_INFO PREFIX "Xcv2028/3028 init called!\n");
- return 0;
-}
+ if (NULL == dev)
+ return -ENODEV;
+
+ if (NULL == video_dev)
+ return -ENODEV;
+
+ if (!tuner_callback) {
+ printk( KERN_ERR PREFIX "No tuner callback!\n");
+ return -EINVAL;
+ }
+
+ list_for_each_entry(priv, &xc2028_list, xc2028_list) {
+ if (priv->dev == dev) {
+ dev = NULL;
+ priv->count++;
+ }
+ }
+
+ if (dev) {
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+ fe->tuner_priv = priv;
+ priv->bandwidth=BANDWIDTH_6_MHZ;
+ priv->need_load_generic=1;
+ priv->mode = T_UNINITIALIZED;
+ priv->i2c_props.addr = i2c_addr;
+ priv->i2c_props.adap = i2c_adap;
+ priv->dev = dev;
+ priv->video_dev = video_dev;
+ priv->tuner_callback = tuner_callback;
+
+ mutex_init(&priv->lock);
+
+ list_add_tail(&priv->xc2028_list,&xc2028_list);
+ }
+
+ memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops,
+ sizeof(xc2028_dvb_tuner_ops));
+
+ tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner");
+
+ return 0;
+}
EXPORT_SYMBOL(xc2028_attach);
+MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver");
+MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
+MODULE_LICENSE("GPL");
projects / openwrt / staging / blogic.git / commitdiff