/* ---------------------------------------------------------------------- */
-#define I2C_MSP3400C 0x80
-#define I2C_MSP3400C_ALT 0x88
+MODULE_DESCRIPTION("device driver for msp34xx TV sound processor");
+MODULE_AUTHOR("Gerd Knorr");
+MODULE_LICENSE("GPL");
-#define I2C_MSP3400C_DEM 0x10
-#define I2C_MSP3400C_DFP 0x12
+#define OPMODE_AUTO -1
+#define OPMODE_MANUAL 0
+#define OPMODE_AUTODETECT 1 /* use autodetect (>= msp3410 only) */
+#define OPMODE_AUTOSELECT 2 /* use autodetect & autoselect (>= msp34xxG) */
-/* Addresses to scan */
-static unsigned short normal_i2c[] = {
- I2C_MSP3400C >> 1,
- I2C_MSP3400C_ALT >> 1,
- I2C_CLIENT_END
-};
-I2C_CLIENT_INSMOD;
+/* module parameters */
+static int opmode = OPMODE_AUTO;
+static int debug = 0; /* debug output */
+static int once = 0; /* no continous stereo monitoring */
+static int amsound = 0; /* hard-wire AM sound at 6.5 Hz (france),
+ the autoscan seems work well only with FM... */
+static int standard = 1; /* Override auto detect of audio standard, if needed. */
+static int dolby = 0;
+
+static int stereo_threshold = 0x190; /* a2 threshold for stereo/bilingual
+ (msp34xxg only) 0x00a0-0x03c0 */
-#define msp3400_dbg(fmt, arg...) \
+/* read-only */
+module_param(opmode, int, 0444);
+
+/* read-write */
+module_param(once, int, 0644);
+module_param(debug, int, 0644);
+module_param(stereo_threshold, int, 0644);
+module_param(standard, int, 0644);
+module_param(amsound, int, 0644);
+module_param(dolby, int, 0644);
+
+MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect");
+MODULE_PARM_DESC(once, "No continuous stereo monitoring");
+MODULE_PARM_DESC(debug, "Enable debug messages");
+MODULE_PARM_DESC(stereo_threshold, "Sets signal threshold to activate stereo");
+MODULE_PARM_DESC(standard, "Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect");
+MODULE_PARM_DESC(amsound, "Hardwire AM sound at 6.5Hz (France), FM can autoscan");
+MODULE_PARM_DESC(dolby, "Activates Dolby processsing");
+
+/* ---------------------------------------------------------------------- */
+
+#define msp3400_err(fmt, arg...) do { \
+ printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \
+ i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
+#define msp3400_warn(fmt, arg...) do { \
+ printk(KERN_WARNING "%s %d-%04x: " fmt, client->driver->driver.name, \
+ i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
+#define msp3400_info(fmt, arg...) do { \
+ printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \
+ i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
+
+/* level 1 debug. */
+#define msp_dbg1(fmt, arg...) \
do { \
if (debug) \
printk(KERN_INFO "%s debug %d-%04x: " fmt, \
i2c_adapter_id(client->adapter), client->addr , ## arg); \
} while (0)
-/* Medium volume debug. */
-#define msp3400_dbg_mediumvol(fmt, arg...) \
+/* level 2 debug. */
+#define msp_dbg2(fmt, arg...) \
do { \
if (debug >= 2) \
printk(KERN_INFO "%s debug %d-%04x: " fmt, \
i2c_adapter_id(client->adapter), client->addr , ## arg); \
} while (0)
-/* High volume debug. Use with care. */
-#define msp3400_dbg_highvol(fmt, arg...) \
+/* level 3 debug. Use with care. */
+#define msp_dbg3(fmt, arg...) \
do { \
if (debug >= 16) \
printk(KERN_INFO "%s debug %d-%04x: " fmt, \
i2c_adapter_id(client->adapter), client->addr , ## arg); \
} while (0)
-#define msp3400_err(fmt, arg...) do { \
- printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-#define msp3400_warn(fmt, arg...) do { \
- printk(KERN_WARNING "%s %d-%04x: " fmt, client->driver->driver.name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-#define msp3400_info(fmt, arg...) do { \
- printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \
- i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
+/* control subaddress */
+#define I2C_MSP_CONTROL 0x00
+/* demodulator unit subaddress */
+#define I2C_MSP_DEM 0x10
+/* DSP unit subaddress */
+#define I2C_MSP_DSP 0x12
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x80 >> 1, 0x88 >> 1, I2C_CLIENT_END };
+>>>>>>> remote
-#define OPMODE_AUTO -1
-#define OPMODE_MANUAL 0
-#define OPMODE_SIMPLE 1 /* use short programming (>= msp3410 only) */
-#define OPMODE_SIMPLER 2 /* use shorter programming (>= msp34xxG) */
-/* insmod parameters */
-static int opmode = OPMODE_AUTO;
-static int debug = 0; /* debug output */
-static int once = 0; /* no continous stereo monitoring */
-static int amsound = 0; /* hard-wire AM sound at 6.5 Hz (france),
- the autoscan seems work well only with FM... */
-static int standard = 1; /* Override auto detect of audio standard, if needed. */
-static int dolby = 0;
+I2C_CLIENT_INSMOD;
-static int stereo_threshold = 0x190; /* a2 threshold for stereo/bilingual
- (msp34xxg only) 0x00a0-0x03c0 */
#define DFP_COUNT 0x41
static const int bl_dfp[] = {
0x00, 0x01, 0x02, 0x03, 0x06, 0x08, 0x09, 0x0a,
0x0b, 0x0d, 0x0e, 0x10
};
-#define IS_MSP34XX_G(msp) ((msp)->opmode==2)
+#define HAVE_NICAM(state) (((state->rev2>>8) & 0xff) != 00)
+#define HAVE_RADIO(state) ((state->rev1 & 0x0f) >= 'G'-'@')
-struct msp3400c {
- int rev1,rev2;
+struct msp_state {
+ int rev1, rev2;
int opmode;
- int nicam;
int mode;
int norm;
int stereo;
int watch_stereo:1;
};
-#define HAVE_NICAM(msp) (((msp->rev2>>8) & 0xff) != 00)
-#define HAVE_SIMPLE(msp) ((msp->rev1 & 0xff) >= 'D'-'@')
-#define HAVE_SIMPLER(msp) ((msp->rev1 & 0xff) >= 'G'-'@')
-#define HAVE_RADIO(msp) ((msp->rev1 & 0xff) >= 'G'-'@')
-
#define VIDEO_MODE_RADIO 16 /* norm magic for radio mode */
-/* ---------------------------------------------------------------------- */
-
-/* read-only */
-module_param(opmode, int, 0444);
-
-/* read-write */
-module_param(once, int, 0644);
-module_param(debug, int, 0644);
-module_param(stereo_threshold, int, 0644);
-module_param(standard, int, 0644);
-module_param(amsound, int, 0644);
-module_param(dolby, int, 0644);
-
-MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Simple, 2=Simpler");
-MODULE_PARM_DESC(once, "No continuous stereo monitoring");
-MODULE_PARM_DESC(debug, "Enable debug messages");
-MODULE_PARM_DESC(stereo_threshold, "Sets signal threshold to activate stereo");
-MODULE_PARM_DESC(standard, "Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect");
-MODULE_PARM_DESC(amsound, "Hardwire AM sound at 6.5Hz (France), FM can autoscan");
-MODULE_PARM_DESC(dolby, "Activates Dolby processsing");
-
-
-MODULE_DESCRIPTION("device driver for msp34xx TV sound processor");
-MODULE_AUTHOR("Gerd Knorr");
-MODULE_LICENSE("GPL");
/* ----------------------------------------------------------------------- */
/* functions for talking to the MSP3400C Sound processor */
-static int msp3400c_reset(struct i2c_client *client)
+static int msp_reset(struct i2c_client *client)
{
/* reset and read revision code */
- static char reset_off[3] = { 0x00, 0x80, 0x00 };
- static char reset_on[3] = { 0x00, 0x00, 0x00 };
- static char write[3] = { I2C_MSP3400C_DFP + 1, 0x00, 0x1e };
- char read[2];
+ static u8 reset_off[3] = { I2C_MSP_CONTROL, 0x80, 0x00 };
+ static u8 reset_on[3] = { I2C_MSP_CONTROL, 0x00, 0x00 };
+ static u8 write[3] = { I2C_MSP_DSP + 1, 0x00, 0x1e };
+ u8 read[2];
struct i2c_msg reset[2] = {
{ client->addr, I2C_M_IGNORE_NAK, 3, reset_off },
{ client->addr, I2C_M_IGNORE_NAK, 3, reset_on },
{ client->addr, I2C_M_RD, 2, read },
};
- msp3400_dbg_highvol("msp3400c_reset\n");
- if ( (1 != i2c_transfer(client->adapter,&reset[0],1)) ||
- (1 != i2c_transfer(client->adapter,&reset[1],1)) ||
- (2 != i2c_transfer(client->adapter,test,2)) ) {
- msp3400_err("chip reset failed\n");
+ msp_dbg3("msp_reset\n");
+ if (1 != i2c_transfer(client->adapter, &reset[0], 1) ||
+ 1 != i2c_transfer(client->adapter, &reset[1], 1) ||
+ 2 != i2c_transfer(client->adapter, test, 2)) {
+ msp_err("chip reset failed\n");
return -1;
}
return 0;
}
-static int msp3400c_read(struct i2c_client *client, int dev, int addr)
+static int msp_read(struct i2c_client *client, int dev, int addr)
{
- int err,retval;
-
- unsigned char write[3];
- unsigned char read[2];
+ int err, retval;
+ u8 write[3];
+ u8 read[2];
struct i2c_msg msgs[2] = {
{ client->addr, 0, 3, write },
{ client->addr, I2C_M_RD, 2, read }
};
- write[0] = dev+1;
+ write[0] = dev + 1;
write[1] = addr >> 8;
write[2] = addr & 0xff;
- for (err = 0; err < 3;) {
- if (2 == i2c_transfer(client->adapter,msgs,2))
+ for (err = 0; err < 3; err++) {
+ if (2 == i2c_transfer(client->adapter, msgs, 2))
break;
- err++;
- msp3400_warn("I/O error #%d (read 0x%02x/0x%02x)\n", err,
+ msp_warn("I/O error #%d (read 0x%02x/0x%02x)\n", err,
dev, addr);
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(msecs_to_jiffies(10));
}
if (3 == err) {
- msp3400_warn("giving up, resetting chip. Sound will go off, sorry folks :-|\n");
- msp3400c_reset(client);
+ msp_warn("giving up, resetting chip. Sound will go off, sorry folks :-|\n");
+ msp_reset(client);
return -1;
}
retval = read[0] << 8 | read[1];
- msp3400_dbg_highvol("msp3400c_read(0x%x, 0x%x): 0x%x\n", dev, addr, retval);
+ msp_dbg3("msp_read(0x%x, 0x%x): 0x%x\n", dev, addr, retval);
return retval;
}
-static int msp3400c_write(struct i2c_client *client, int dev, int addr, int val)
+static inline int msp_read_dem(struct i2c_client *client, int addr)
+{
+ return msp_read(client, I2C_MSP_DEM, addr);
+}
+
+static inline int msp_read_dsp(struct i2c_client *client, int addr)
+{
+ return msp_read(client, I2C_MSP_DSP, addr);
+}
+
+static int msp_write(struct i2c_client *client, int dev, int addr, int val)
{
int err;
- unsigned char buffer[5];
+ u8 buffer[5];
buffer[0] = dev;
buffer[1] = addr >> 8;
buffer[3] = val >> 8;
buffer[4] = val & 0xff;
- msp3400_dbg_highvol("msp3400c_write(0x%x, 0x%x, 0x%x)\n", dev, addr, val);
- for (err = 0; err < 3;) {
+ msp_dbg3("msp_write(0x%x, 0x%x, 0x%x)\n", dev, addr, val);
+ for (err = 0; err < 3; err++) {
if (5 == i2c_master_send(client, buffer, 5))
break;
- err++;
- msp3400_warn("I/O error #%d (write 0x%02x/0x%02x)\n", err,
+ msp_warn("I/O error #%d (write 0x%02x/0x%02x)\n", err,
dev, addr);
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(msecs_to_jiffies(10));
}
if (3 == err) {
- msp3400_warn("giving up, reseting chip. Sound will go off, sorry folks :-|\n");
- msp3400c_reset(client);
+ msp_warn("giving up, resetting chip. Sound will go off, sorry folks :-|\n");
+ msp_reset(client);
return -1;
}
return 0;
}
+static inline int msp_write_dem(struct i2c_client *client, int addr, int val)
+{
+ return msp_write(client, I2C_MSP_DEM, addr, val);
+}
+
+static inline int msp_write_dsp(struct i2c_client *client, int addr, int val)
+{
+ return msp_write(client, I2C_MSP_DSP, addr, val);
+}
+
/* ------------------------------------------------------------------------ */
/* This macro is allowed for *constants* only, gcc must calculate it
at compile time. Remember -- no floats in kernel mode */
-#define MSP_CARRIER(freq) ((int)((float)(freq/18.432)*(1<<24)))
+#define MSP_CARRIER(freq) ((int)((float)(freq / 18.432) * (1 << 24)))
#define MSP_MODE_AM_DETECT 0
#define MSP_MODE_FM_RADIO 2
"mask", "in1", "in2", "in1 da", "in2 da", "in3", "in4", "mono", "mute"
};
-static void msp3400c_set_scart(struct i2c_client *client, int in, int out)
+static void msp_set_scart(struct i2c_client *client, int in, int out)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
- msp->in_scart=in;
+ state->in_scart=in;
if (in >= 1 && in <= 8 && out >= 0 && out <= 2) {
if (-1 == scarts[out][in])
return;
- msp->acb &= ~scarts[out][SCART_MASK];
- msp->acb |= scarts[out][in];
+ state->acb &= ~scarts[out][SCART_MASK];
+ state->acb |= scarts[out][in];
} else
- msp->acb = 0xf60; /* Mute Input and SCART 1 Output */
+ state->acb = 0xf60; /* Mute Input and SCART 1 Output */
- msp3400_dbg("scart switch: %s => %d (ACB=0x%04x)\n",
- scart_names[in], out, msp->acb);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x13, msp->acb);
+ msp_dbg1("scart switch: %s => %d (ACB=0x%04x)\n",
+ scart_names[in], out, state->acb);
+ msp_write_dsp(client, 0x13, state->acb);
/* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x40, msp->i2s_mode);
+ msp_write_dem(client, 0x40, state->i2s_mode);
}
/* ------------------------------------------------------------------------ */
static void msp3400c_setcarrier(struct i2c_client *client, int cdo1, int cdo2)
{
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0093, cdo1 & 0xfff);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x009b, cdo1 >> 12);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x00a3, cdo2 & 0xfff);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x00ab, cdo2 >> 12);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/
+ msp_write_dem(client, 0x0093, cdo1 & 0xfff);
+ msp_write_dem(client, 0x009b, cdo1 >> 12);
+ msp_write_dem(client, 0x00a3, cdo2 & 0xfff);
+ msp_write_dem(client, 0x00ab, cdo2 >> 12);
+ msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/
}
-static void msp3400c_setvolume(struct i2c_client *client,
+static void msp_set_volume(struct i2c_client *client,
int muted, int left, int right)
{
int vol = 0, val = 0, balance = 0;
balance = ((right - left) * 127) / vol;
}
- msp3400_dbg("setvolume: mute=%s %d:%d v=0x%02x b=0x%02x\n",
+ msp_dbg1("setvolume: mute=%s %d:%d v=0x%02x b=0x%02x\n",
muted ? "on" : "off", left, right, val >> 8, balance);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0000, val); /* loudspeaker */
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0006, val); /* headphones */
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0007,
+ msp_write_dsp(client, 0x0000, val); /* loudspeaker */
+ msp_write_dsp(client, 0x0006, val); /* headphones */
+ msp_write_dsp(client, 0x0007,
muted ? 0x1 : (val | 0x1));
- msp3400c_write(client, I2C_MSP3400C_DFP, 0x0001, balance << 8);
+ msp_write_dsp(client, 0x0001, balance << 8);
}
-static void msp3400c_setbass(struct i2c_client *client, int bass)
+static void msp_set_bass(struct i2c_client *client, int bass)
{
int val = ((bass-32768) * 0x60 / 65535) << 8;
- msp3400_dbg("setbass: %d 0x%02x\n", bass, val >> 8);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0002, val); /* loudspeaker */
+ msp_dbg1("setbass: %d 0x%02x\n", bass, val >> 8);
+ msp_write_dsp(client, 0x0002, val); /* loudspeaker */
}
-static void msp3400c_settreble(struct i2c_client *client, int treble)
+static void msp_set_treble(struct i2c_client *client, int treble)
{
int val = ((treble-32768) * 0x60 / 65535) << 8;
- msp3400_dbg("settreble: %d 0x%02x\n",treble, val>>8);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0003, val); /* loudspeaker */
+ msp_dbg1("settreble: %d 0x%02x\n",treble, val>>8);
+ msp_write_dsp(client, 0x0003, val); /* loudspeaker */
}
static void msp3400c_setmode(struct i2c_client *client, int type)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int i;
- msp3400_dbg("setmode: %d\n",type);
- msp->mode = type;
- msp->audmode = V4L2_TUNER_MODE_MONO;
- msp->rxsubchans = V4L2_TUNER_SUB_MONO;
+ msp_dbg1("setmode: %d\n",type);
+ state->mode = type;
+ state->audmode = V4L2_TUNER_MODE_MONO;
+ state->rxsubchans = V4L2_TUNER_SUB_MONO;
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x00bb, /* ad_cv */
+ msp_write_dem(client, 0x00bb, /* ad_cv */
msp_init_data[type].ad_cv);
for (i = 5; i >= 0; i--) /* fir 1 */
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0001,
+ msp_write_dem(client, 0x0001,
msp_init_data[type].fir1[i]);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0004); /* fir 2 */
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0040);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005, 0x0000);
+ msp_write_dem(client, 0x0005, 0x0004); /* fir 2 */
+ msp_write_dem(client, 0x0005, 0x0040);
+ msp_write_dem(client, 0x0005, 0x0000);
for (i = 5; i >= 0; i--)
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0005,
+ msp_write_dem(client, 0x0005,
msp_init_data[type].fir2[i]);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0083, /* MODE_REG */
+ msp_write_dem(client, 0x0083, /* MODE_REG */
msp_init_data[type].mode_reg);
msp3400c_setcarrier(client, msp_init_data[type].cdo1,
msp_init_data[type].cdo2);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x0056, 0); /*LOAD_REG_1/2*/
+ msp_write_dem(client, 0x0056, 0); /*LOAD_REG_1/2*/
if (dolby) {
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,
+ msp_write_dsp(client, 0x0008,
0x0520); /* I2S1 */
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,
+ msp_write_dsp(client, 0x0009,
0x0620); /* I2S2 */
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,
+ msp_write_dsp(client, 0x000b,
msp_init_data[type].dfp_src);
} else {
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,
+ msp_write_dsp(client, 0x0008,
msp_init_data[type].dfp_src);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,
+ msp_write_dsp(client, 0x0009,
msp_init_data[type].dfp_src);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,
+ msp_write_dsp(client, 0x000b,
msp_init_data[type].dfp_src);
}
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,
+ msp_write_dsp(client, 0x000a,
msp_init_data[type].dfp_src);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e,
+ msp_write_dsp(client, 0x000e,
msp_init_data[type].dfp_matrix);
- if (HAVE_NICAM(msp)) {
+ if (HAVE_NICAM(state)) {
/* nicam prescale */
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0010, 0x5a00); /* was: 0x3000 */
+ msp_write_dsp(client, 0x0010, 0x5a00); /* was: 0x3000 */
}
}
/* given a bitmask of VIDEO_SOUND_XXX returns the "best" in the bitmask */
-static int best_video_sound(int rxsubchans)
+static int msp3400c_best_video_sound(int rxsubchans)
{
if (rxsubchans & V4L2_TUNER_SUB_STEREO)
return V4L2_TUNER_MODE_STEREO;
static char *strmode[] = { "0", "mono", "stereo", "3",
"lang1", "5", "6", "7", "lang2"
};
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int nicam = 0; /* channel source: FM/AM or nicam */
int src = 0;
- if (IS_MSP34XX_G(msp)) {
+ if (state->opmode == OPMODE_AUTOSELECT) {
/* this method would break everything, let's make sure
* it's never called
*/
- msp3400_dbg
- ("DEBUG WARNING setstereo called with mode=%d instead of set_source (ignored)\n",
+ msp_dbg1("setstereo called with mode=%d instead of set_source (ignored)\n",
mode);
return;
}
/* switch demodulator */
- switch (msp->mode) {
+ switch (state->mode) {
case MSP_MODE_FM_TERRA:
- msp3400_dbg("FM setstereo: %s\n", strmode[mode]);
- msp3400c_setcarrier(client,msp->second,msp->main);
+ msp_dbg1("FM setstereo: %s\n", strmode[mode]);
+ msp3400c_setcarrier(client,state->second,state->main);
switch (mode) {
case V4L2_TUNER_MODE_STEREO:
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3001);
+ msp_write_dsp(client, 0x000e, 0x3001);
break;
case V4L2_TUNER_MODE_MONO:
case V4L2_TUNER_MODE_LANG1:
case V4L2_TUNER_MODE_LANG2:
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000e, 0x3000);
+ msp_write_dsp(client, 0x000e, 0x3000);
break;
}
break;
case MSP_MODE_FM_SAT:
- msp3400_dbg("SAT setstereo: %s\n", strmode[mode]);
+ msp_dbg1("SAT setstereo: %s\n", strmode[mode]);
switch (mode) {
case V4L2_TUNER_MODE_MONO:
msp3400c_setcarrier(client, MSP_CARRIER(6.5), MSP_CARRIER(6.5));
case MSP_MODE_FM_NICAM1:
case MSP_MODE_FM_NICAM2:
case MSP_MODE_AM_NICAM:
- msp3400_dbg("NICAM setstereo: %s\n",strmode[mode]);
- msp3400c_setcarrier(client,msp->second,msp->main);
- if (msp->nicam_on)
+ msp_dbg1("NICAM setstereo: %s\n",strmode[mode]);
+ msp3400c_setcarrier(client,state->second,state->main);
+ if (state->nicam_on)
nicam=0x0100;
break;
case MSP_MODE_BTSC:
- msp3400_dbg("BTSC setstereo: %s\n",strmode[mode]);
+ msp_dbg1("BTSC setstereo: %s\n",strmode[mode]);
nicam=0x0300;
break;
case MSP_MODE_EXTERN:
- msp3400_dbg("extern setstereo: %s\n",strmode[mode]);
+ msp_dbg1("extern setstereo: %s\n",strmode[mode]);
nicam = 0x0200;
break;
case MSP_MODE_FM_RADIO:
- msp3400_dbg("FM-Radio setstereo: %s\n",strmode[mode]);
+ msp_dbg1("FM-Radio setstereo: %s\n",strmode[mode]);
break;
default:
- msp3400_dbg("mono setstereo\n");
+ msp_dbg1("mono setstereo\n");
return;
}
/* switch audio */
- switch (best_video_sound(mode)) {
+ switch (msp3400c_best_video_sound(mode)) {
case V4L2_TUNER_MODE_STEREO:
src = 0x0020 | nicam;
break;
case V4L2_TUNER_MODE_MONO:
- if (msp->mode == MSP_MODE_AM_NICAM) {
- msp3400_dbg("switching to AM mono\n");
+ if (state->mode == MSP_MODE_AM_NICAM) {
+ msp_dbg1("switching to AM mono\n");
/* AM mono decoding is handled by tuner, not MSP chip */
/* SCART switching control register */
- msp3400c_set_scart(client,SCART_MONO,0);
+ msp_set_scart(client,SCART_MONO,0);
src = 0x0200;
break;
}
src = 0x0010 | nicam;
break;
}
- msp3400_dbg("setstereo final source/matrix = 0x%x\n", src);
+ msp_dbg1("setstereo final source/matrix = 0x%x\n", src);
if (dolby) {
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,0x0520);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,0x0620);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src);
+ msp_write_dsp(client, 0x0008,0x0520);
+ msp_write_dsp(client, 0x0009,0x0620);
+ msp_write_dsp(client, 0x000a,src);
+ msp_write_dsp(client, 0x000b,src);
} else {
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0008,src);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0009,src);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000a,src);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000b,src);
+ msp_write_dsp(client, 0x0008,src);
+ msp_write_dsp(client, 0x0009,src);
+ msp_write_dsp(client, 0x000a,src);
+ msp_write_dsp(client, 0x000b,src);
}
}
static void
msp3400c_print_mode(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
- if (msp->main == msp->second) {
- msp3400_dbg("mono sound carrier: %d.%03d MHz\n",
- msp->main/910000,(msp->main/910)%1000);
+ if (state->main == state->second) {
+ msp_dbg1("mono sound carrier: %d.%03d MHz\n",
+ state->main/910000,(state->main/910)%1000);
} else {
- msp3400_dbg("main sound carrier: %d.%03d MHz\n",
- msp->main/910000,(msp->main/910)%1000);
+ msp_dbg1("main sound carrier: %d.%03d MHz\n",
+ state->main/910000,(state->main/910)%1000);
}
- if (msp->mode == MSP_MODE_FM_NICAM1 || msp->mode == MSP_MODE_FM_NICAM2)
- msp3400_dbg("NICAM/FM carrier : %d.%03d MHz\n",
- msp->second/910000,(msp->second/910)%1000);
- if (msp->mode == MSP_MODE_AM_NICAM)
- msp3400_dbg("NICAM/AM carrier : %d.%03d MHz\n",
- msp->second/910000,(msp->second/910)%1000);
- if (msp->mode == MSP_MODE_FM_TERRA &&
- msp->main != msp->second) {
- msp3400_dbg("FM-stereo carrier : %d.%03d MHz\n",
- msp->second/910000,(msp->second/910)%1000);
+ if (state->mode == MSP_MODE_FM_NICAM1 || state->mode == MSP_MODE_FM_NICAM2)
+ msp_dbg1("NICAM/FM carrier : %d.%03d MHz\n",
+ state->second/910000,(state->second/910)%1000);
+ if (state->mode == MSP_MODE_AM_NICAM)
+ msp_dbg1("NICAM/AM carrier : %d.%03d MHz\n",
+ state->second/910000,(state->second/910)%1000);
+ if (state->mode == MSP_MODE_FM_TERRA &&
+ state->main != state->second) {
+ msp_dbg1("FM-stereo carrier : %d.%03d MHz\n",
+ state->second/910000,(state->second/910)%1000);
}
}
static void msp3400c_restore_dfp(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int i;
for (i = 0; i < DFP_COUNT; i++) {
- if (-1 == msp->dfp_regs[i])
+ if (-1 == state->dfp_regs[i])
continue;
- msp3400c_write(client, I2C_MSP3400C_DFP, i, msp->dfp_regs[i]);
+ msp_write_dsp(client, i, state->dfp_regs[i]);
}
}
/* if the dfp_regs is set, set what's in there. Otherwise, set the default value */
-static int msp3400c_write_dfp_with_default(struct i2c_client *client,
+static int msp_write_dfp_with_default(struct i2c_client *client,
int addr, int default_value)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int value = default_value;
- if (addr < DFP_COUNT && -1 != msp->dfp_regs[addr])
- value = msp->dfp_regs[addr];
- return msp3400c_write(client, I2C_MSP3400C_DFP, addr, value);
+ if (addr < DFP_COUNT && -1 != state->dfp_regs[addr])
+ value = state->dfp_regs[addr];
+ return msp_write_dsp(client, addr, value);
}
/* ----------------------------------------------------------------------- */
static int autodetect_stereo(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int val;
- int rxsubchans = msp->rxsubchans;
- int newnicam = msp->nicam_on;
+ int rxsubchans = state->rxsubchans;
+ int newnicam = state->nicam_on;
int update = 0;
- switch (msp->mode) {
+ switch (state->mode) {
case MSP_MODE_FM_TERRA:
- val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x18);
+ val = msp_read_dsp(client, 0x18);
if (val > 32767)
val -= 65536;
- msp3400_dbg("stereo detect register: %d\n",val);
+ msp_dbg2("stereo detect register: %d\n",val);
if (val > 4096) {
rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
} else if (val < -4096) {
case MSP_MODE_FM_NICAM1:
case MSP_MODE_FM_NICAM2:
case MSP_MODE_AM_NICAM:
- val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x23);
- msp3400_dbg("nicam sync=%d, mode=%d\n",
+ val = msp_read_dem(client, 0x23);
+ msp_dbg2("nicam sync=%d, mode=%d\n",
val & 1, (val & 0x1e) >> 1);
if (val & 1) {
}
break;
case MSP_MODE_BTSC:
- val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x200);
- msp3400_dbg("status=0x%x (pri=%s, sec=%s, %s%s%s)\n",
+ val = msp_read_dem(client, 0x200);
+ msp_dbg2("status=0x%x (pri=%s, sec=%s, %s%s%s)\n",
val,
(val & 0x0002) ? "no" : "yes",
(val & 0x0004) ? "no" : "yes",
if (val & 0x0100) rxsubchans |= V4L2_TUNER_SUB_LANG1;
break;
}
- if (rxsubchans != msp->rxsubchans) {
+ if (rxsubchans != state->rxsubchans) {
update = 1;
- msp3400_dbg("watch: rxsubchans %d => %d\n",
- msp->rxsubchans,rxsubchans);
- msp->rxsubchans = rxsubchans;
+ msp_dbg1("watch: rxsubchans %d => %d\n",
+ state->rxsubchans,rxsubchans);
+ state->rxsubchans = rxsubchans;
}
- if (newnicam != msp->nicam_on) {
+ if (newnicam != state->nicam_on) {
update = 1;
- msp3400_dbg("watch: nicam %d => %d\n",
- msp->nicam_on,newnicam);
- msp->nicam_on = newnicam;
+ msp_dbg1("watch: nicam %d => %d\n",
+ state->nicam_on,newnicam);
+ state->nicam_on = newnicam;
}
return update;
}
* in the ioctl while doing the sound carrier & stereo detect
*/
-static int msp34xx_sleep(struct msp3400c *msp, int timeout)
+static int msp_sleep(struct msp_state *state, int timeout)
{
DECLARE_WAITQUEUE(wait, current);
- add_wait_queue(&msp->wq, &wait);
+ add_wait_queue(&state->wq, &wait);
if (!kthread_should_stop()) {
if (timeout < 0) {
set_current_state(TASK_INTERRUPTIBLE);
}
}
- remove_wait_queue(&msp->wq, &wait);
+ remove_wait_queue(&state->wq, &wait);
try_to_freeze();
- return msp->restart;
+ return state->restart;
}
/* stereo/multilang monitoring */
static void watch_stereo(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
if (autodetect_stereo(client)) {
- if (msp->stereo & V4L2_TUNER_MODE_STEREO)
+ if (state->stereo & V4L2_TUNER_MODE_STEREO)
msp3400c_setstereo(client, V4L2_TUNER_MODE_STEREO);
- else if (msp->stereo & VIDEO_SOUND_LANG1)
+ else if (state->stereo & VIDEO_SOUND_LANG1)
msp3400c_setstereo(client, V4L2_TUNER_MODE_LANG1);
else
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
}
if (once)
- msp->watch_stereo = 0;
+ state->watch_stereo = 0;
}
static int msp3400c_thread(void *data)
{
struct i2c_client *client = data;
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
struct CARRIER_DETECT *cd;
int count, max1,max2,val1,val2, val,this;
- msp3400_info("msp3400 daemon started\n");
+ msp_info("msp3400 daemon started\n");
for (;;) {
- msp3400_dbg_mediumvol("msp3400 thread: sleep\n");
- msp34xx_sleep(msp,-1);
- msp3400_dbg_mediumvol("msp3400 thread: wakeup\n");
+ msp_dbg2("msp3400 thread: sleep\n");
+ msp_sleep(state, -1);
+ msp_dbg2("msp3400 thread: wakeup\n");
restart:
- msp3400_dbg("thread: restart scan\n");
- msp->restart = 0;
+ msp_dbg1("thread: restart scan\n");
+ state->restart = 0;
if (kthread_should_stop())
break;
- if (VIDEO_MODE_RADIO == msp->norm ||
- MSP_MODE_EXTERN == msp->mode) {
+ if (VIDEO_MODE_RADIO == state->norm ||
+ MSP_MODE_EXTERN == state->mode) {
/* no carrier scan, just unmute */
- msp3400_info("thread: no carrier scan\n");
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ msp_info("thread: no carrier scan\n");
+ msp_set_volume(client, state->muted, state->left, state->right);
continue;
}
/* mute */
- msp3400c_setvolume(client, msp->muted, 0, 0);
+ msp_set_volume(client, state->muted, 0, 0);
msp3400c_setmode(client, MSP_MODE_AM_DETECT /* +1 */ );
val1 = val2 = 0;
max1 = max2 = -1;
- msp->watch_stereo = 0;
+ state->watch_stereo = 0;
/* some time for the tuner to sync */
- if (msp34xx_sleep(msp,200))
+ if (msp_sleep(state,200))
goto restart;
/* carrier detect pass #1 -- main carrier */
cd = carrier_detect_main;
count = CARRIER_COUNT(carrier_detect_main);
- if (amsound && (msp->norm == VIDEO_MODE_SECAM)) {
+ if (amsound && (state->norm == VIDEO_MODE_SECAM)) {
/* autodetect doesn't work well with AM ... */
max1 = 3;
count = 0;
- msp3400_dbg("AM sound override\n");
+ msp_dbg1("AM sound override\n");
}
for (this = 0; this < count; this++) {
msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo);
- if (msp34xx_sleep(msp,100))
+ if (msp_sleep(state,100))
goto restart;
- val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b);
+ val = msp_read_dsp(client, 0x1b);
if (val > 32767)
val -= 65536;
if (val1 < val)
val1 = val, max1 = this;
- msp3400_dbg("carrier1 val: %5d / %s\n", val,cd[this].name);
+ msp_dbg1("carrier1 val: %5d / %s\n", val,cd[this].name);
}
/* carrier detect pass #2 -- second (stereo) carrier */
break;
}
- if (amsound && (msp->norm == VIDEO_MODE_SECAM)) {
+ if (amsound && (state->norm == VIDEO_MODE_SECAM)) {
/* autodetect doesn't work well with AM ... */
cd = NULL;
count = 0;
}
for (this = 0; this < count; this++) {
msp3400c_setcarrier(client, cd[this].cdo,cd[this].cdo);
- if (msp34xx_sleep(msp,100))
+ if (msp_sleep(state,100))
goto restart;
- val = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1b);
+ val = msp_read_dsp(client, 0x1b);
if (val > 32767)
val -= 65536;
if (val2 < val)
val2 = val, max2 = this;
- msp3400_dbg("carrier2 val: %5d / %s\n", val,cd[this].name);
+ msp_dbg1("carrier2 val: %5d / %s\n", val,cd[this].name);
}
- /* programm the msp3400 according to the results */
- msp->main = carrier_detect_main[max1].cdo;
+ /* program the msp3400 according to the results */
+ state->main = carrier_detect_main[max1].cdo;
switch (max1) {
case 1: /* 5.5 */
if (max2 == 0) {
/* B/G FM-stereo */
- msp->second = carrier_detect_55[max2].cdo;
+ state->second = carrier_detect_55[max2].cdo;
msp3400c_setmode(client, MSP_MODE_FM_TERRA);
- msp->nicam_on = 0;
+ state->nicam_on = 0;
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
- msp->watch_stereo = 1;
- } else if (max2 == 1 && HAVE_NICAM(msp)) {
+ state->watch_stereo = 1;
+ } else if (max2 == 1 && HAVE_NICAM(state)) {
/* B/G NICAM */
- msp->second = carrier_detect_55[max2].cdo;
+ state->second = carrier_detect_55[max2].cdo;
msp3400c_setmode(client, MSP_MODE_FM_NICAM1);
- msp->nicam_on = 1;
- msp3400c_setcarrier(client, msp->second, msp->main);
- msp->watch_stereo = 1;
+ state->nicam_on = 1;
+ msp3400c_setcarrier(client, state->second, state->main);
+ state->watch_stereo = 1;
} else {
goto no_second;
}
break;
case 2: /* 6.0 */
/* PAL I NICAM */
- msp->second = MSP_CARRIER(6.552);
+ state->second = MSP_CARRIER(6.552);
msp3400c_setmode(client, MSP_MODE_FM_NICAM2);
- msp->nicam_on = 1;
- msp3400c_setcarrier(client, msp->second, msp->main);
- msp->watch_stereo = 1;
+ state->nicam_on = 1;
+ msp3400c_setcarrier(client, state->second, state->main);
+ state->watch_stereo = 1;
break;
case 3: /* 6.5 */
if (max2 == 1 || max2 == 2) {
/* D/K FM-stereo */
- msp->second = carrier_detect_65[max2].cdo;
+ state->second = carrier_detect_65[max2].cdo;
msp3400c_setmode(client, MSP_MODE_FM_TERRA);
- msp->nicam_on = 0;
+ state->nicam_on = 0;
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
- msp->watch_stereo = 1;
+ state->watch_stereo = 1;
} else if (max2 == 0 &&
- msp->norm == VIDEO_MODE_SECAM) {
+ state->norm == VIDEO_MODE_SECAM) {
/* L NICAM or AM-mono */
- msp->second = carrier_detect_65[max2].cdo;
+ state->second = carrier_detect_65[max2].cdo;
msp3400c_setmode(client, MSP_MODE_AM_NICAM);
- msp->nicam_on = 0;
+ state->nicam_on = 0;
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
- msp3400c_setcarrier(client, msp->second, msp->main);
+ msp3400c_setcarrier(client, state->second, state->main);
/* volume prescale for SCART (AM mono input) */
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x000d, 0x1900);
- msp->watch_stereo = 1;
- } else if (max2 == 0 && HAVE_NICAM(msp)) {
+ msp_write_dsp(client, 0x000d, 0x1900);
+ state->watch_stereo = 1;
+ } else if (max2 == 0 && HAVE_NICAM(state)) {
/* D/K NICAM */
- msp->second = carrier_detect_65[max2].cdo;
+ state->second = carrier_detect_65[max2].cdo;
msp3400c_setmode(client, MSP_MODE_FM_NICAM1);
- msp->nicam_on = 1;
- msp3400c_setcarrier(client, msp->second, msp->main);
- msp->watch_stereo = 1;
+ state->nicam_on = 1;
+ msp3400c_setcarrier(client, state->second, state->main);
+ state->watch_stereo = 1;
} else {
goto no_second;
}
case 0: /* 4.5 */
default:
no_second:
- msp->second = carrier_detect_main[max1].cdo;
+ state->second = carrier_detect_main[max1].cdo;
msp3400c_setmode(client, MSP_MODE_FM_TERRA);
- msp->nicam_on = 0;
- msp3400c_setcarrier(client, msp->second, msp->main);
- msp->rxsubchans = V4L2_TUNER_SUB_MONO;
+ state->nicam_on = 0;
+ msp3400c_setcarrier(client, state->second, state->main);
+ state->rxsubchans = V4L2_TUNER_SUB_MONO;
msp3400c_setstereo(client, V4L2_TUNER_MODE_MONO);
break;
}
/* unmute */
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ msp_set_volume(client, state->muted, state->left, state->right);
msp3400c_restore_dfp(client);
if (debug)
msp3400c_print_mode(client);
/* monitor tv audio mode */
- while (msp->watch_stereo) {
- if (msp34xx_sleep(msp,5000))
+ while (state->watch_stereo) {
+ if (msp_sleep(state,5000))
goto restart;
watch_stereo(client);
}
}
- msp3400_dbg("thread: exit\n");
+ msp_dbg1("thread: exit\n");
return 0;
}
int main, second;
char *name;
} modelist[] = {
- { 0x0000, 0, 0, "ERROR" },
- { 0x0001, 0, 0, "autodetect start" },
+ { 0x0000, 0, 0, "could not detect sound standard" },
+ { 0x0001, 0, 0, "autodetect started" },
{ 0x0002, MSP_CARRIER(4.5), MSP_CARRIER(4.72), "4.5/4.72 M Dual FM-Stereo" },
{ 0x0003, MSP_CARRIER(5.5), MSP_CARRIER(5.7421875), "5.5/5.74 B/G Dual FM-Stereo" },
{ 0x0004, MSP_CARRIER(6.5), MSP_CARRIER(6.2578125), "6.5/6.25 D/K1 Dual FM-Stereo" },
{ -1, 0, 0, NULL }, /* EOF */
};
-static inline const char *msp34xx_standard_mode_name(int mode)
+static inline const char *msp_standard_mode_name(int mode)
{
int i;
for (i = 0; modelist[i].name != NULL; i++)
return "unknown";
}
-static int msp34xx_modus(struct i2c_client *client, int norm)
+static int msp_modus(struct i2c_client *client, int norm)
{
switch (norm) {
case VIDEO_MODE_PAL:
- msp3400_dbg("video mode selected to PAL\n");
+ msp_dbg1("video mode selected to PAL\n");
#if 1
/* experimental: not sure this works with all chip versions */
return 0x1003;
#endif
case VIDEO_MODE_NTSC: /* BTSC */
- msp3400_dbg("video mode selected to NTSC\n");
+ msp_dbg1("video mode selected to NTSC\n");
return 0x2003;
case VIDEO_MODE_SECAM:
- msp3400_dbg("video mode selected to SECAM\n");
+ msp_dbg1("video mode selected to SECAM\n");
return 0x0003;
case VIDEO_MODE_RADIO:
- msp3400_dbg("video mode selected to Radio\n");
+ msp_dbg1("video mode selected to Radio\n");
return 0x0003;
case VIDEO_MODE_AUTO:
- msp3400_dbg("video mode selected to Auto\n");
+ msp_dbg1("video mode selected to Auto\n");
return 0x2003;
default:
return 0x0003;
}
}
-static int msp34xx_standard(int norm)
+static int msp_standard(int norm)
{
switch (norm) {
case VIDEO_MODE_PAL:
static int msp3410d_thread(void *data)
{
struct i2c_client *client = data;
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int mode,val,i,std;
- msp3400_info("msp3410 daemon started\n");
+ msp_info("msp3410 daemon started\n");
for (;;) {
- msp3400_dbg_mediumvol("msp3410 thread: sleep\n");
- msp34xx_sleep(msp,-1);
- msp3400_dbg_mediumvol("msp3410 thread: wakeup\n");
+ msp_dbg2("msp3410 thread: sleep\n");
+ msp_sleep(state,-1);
+ msp_dbg2("msp3410 thread: wakeup\n");
restart:
- msp3400_dbg("thread: restart scan\n");
- msp->restart = 0;
+ msp_dbg1("thread: restart scan\n");
+ state->restart = 0;
if (kthread_should_stop())
break;
- if (msp->mode == MSP_MODE_EXTERN) {
+ if (state->mode == MSP_MODE_EXTERN) {
/* no carrier scan needed, just unmute */
- msp3400_dbg("thread: no carrier scan\n");
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ msp_dbg1("thread: no carrier scan\n");
+ msp_set_volume(client, state->muted, state->left, state->right);
continue;
}
/* put into sane state (and mute) */
- msp3400c_reset(client);
+ msp_reset(client);
/* some time for the tuner to sync */
- if (msp34xx_sleep(msp,200))
+ if (msp_sleep(state,200))
goto restart;
/* start autodetect */
- mode = msp34xx_modus(client, msp->norm);
- std = msp34xx_standard(msp->norm);
- msp3400c_write(client, I2C_MSP3400C_DEM, 0x30, mode);
- msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, std);
- msp->watch_stereo = 0;
+ mode = msp_modus(client, state->norm);
+ std = msp_standard(state->norm);
+ msp_write_dem(client, 0x30, mode);
+ msp_write_dem(client, 0x20, std);
+ state->watch_stereo = 0;
if (debug)
- msp3400_dbg("setting mode: %s (0x%04x)\n",
- msp34xx_standard_mode_name(std) ,std);
+ msp_dbg1("setting mode: %s (0x%04x)\n",
+ msp_standard_mode_name(std) ,std);
if (std != 1) {
/* programmed some specific mode */
} else {
/* triggered autodetect */
for (;;) {
- if (msp34xx_sleep(msp,100))
+ if (msp_sleep(state,100))
goto restart;
/* check results */
- val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x7e);
+ val = msp_read_dem(client, 0x7e);
if (val < 0x07ff)
break;
- msp3400_dbg("detection still in progress\n");
+ msp_dbg1("detection still in progress\n");
}
}
for (i = 0; modelist[i].name != NULL; i++)
if (modelist[i].retval == val)
break;
- msp3400_dbg("current mode: %s (0x%04x)\n",
+ msp_dbg1("current mode: %s (0x%04x)\n",
modelist[i].name ? modelist[i].name : "unknown",
val);
- msp->main = modelist[i].main;
- msp->second = modelist[i].second;
+ state->main = modelist[i].main;
+ state->second = modelist[i].second;
- if (amsound && (msp->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) {
+ if (amsound && (state->norm == VIDEO_MODE_SECAM) && (val != 0x0009)) {
/* autodetection has failed, let backup */
- msp3400_dbg("autodetection failed,"
+ msp_dbg1("autodetection failed,"
" switching to backup mode: %s (0x%04x)\n",
modelist[8].name ? modelist[8].name : "unknown",val);
val = 0x0009;
- msp3400c_write(client, I2C_MSP3400C_DEM, 0x20, val);
+ msp_write_dem(client, 0x20, val);
}
/* set various prescales */
- msp3400c_write(client, I2C_MSP3400C_DFP, 0x0d, 0x1900); /* scart */
- msp3400c_write(client, I2C_MSP3400C_DFP, 0x0e, 0x2403); /* FM */
- msp3400c_write(client, I2C_MSP3400C_DFP, 0x10, 0x5a00); /* nicam */
+ msp_write_dsp(client, 0x0d, 0x1900); /* scart */
+ msp_write_dsp(client, 0x0e, 0x2403); /* FM */
+ msp_write_dsp(client, 0x10, 0x5a00); /* nicam */
/* set stereo */
switch (val) {
case 0x0008: /* B/G NICAM */
case 0x000a: /* I NICAM */
if (val == 0x0008)
- msp->mode = MSP_MODE_FM_NICAM1;
+ state->mode = MSP_MODE_FM_NICAM1;
else
- msp->mode = MSP_MODE_FM_NICAM2;
+ state->mode = MSP_MODE_FM_NICAM2;
/* just turn on stereo */
- msp->rxsubchans = V4L2_TUNER_SUB_STEREO;
- msp->nicam_on = 1;
- msp->watch_stereo = 1;
+ state->rxsubchans = V4L2_TUNER_SUB_STEREO;
+ state->nicam_on = 1;
+ state->watch_stereo = 1;
msp3400c_setstereo(client,V4L2_TUNER_MODE_STEREO);
break;
case 0x0009:
- msp->mode = MSP_MODE_AM_NICAM;
- msp->rxsubchans = V4L2_TUNER_SUB_MONO;
- msp->nicam_on = 1;
+ state->mode = MSP_MODE_AM_NICAM;
+ state->rxsubchans = V4L2_TUNER_SUB_MONO;
+ state->nicam_on = 1;
msp3400c_setstereo(client,V4L2_TUNER_MODE_MONO);
- msp->watch_stereo = 1;
+ state->watch_stereo = 1;
break;
case 0x0020: /* BTSC */
/* just turn on stereo */
- msp->mode = MSP_MODE_BTSC;
- msp->rxsubchans = V4L2_TUNER_SUB_STEREO;
- msp->nicam_on = 0;
- msp->watch_stereo = 1;
+ state->mode = MSP_MODE_BTSC;
+ state->rxsubchans = V4L2_TUNER_SUB_STEREO;
+ state->nicam_on = 0;
+ state->watch_stereo = 1;
msp3400c_setstereo(client,V4L2_TUNER_MODE_STEREO);
break;
case 0x0040: /* FM radio */
- msp->mode = MSP_MODE_FM_RADIO;
- msp->rxsubchans = V4L2_TUNER_SUB_STEREO;
- msp->audmode = V4L2_TUNER_MODE_STEREO;
- msp->nicam_on = 0;
- msp->watch_stereo = 0;
+ state->mode = MSP_MODE_FM_RADIO;
+ state->rxsubchans = V4L2_TUNER_SUB_STEREO;
+ state->audmode = V4L2_TUNER_MODE_STEREO;
+ state->nicam_on = 0;
+ state->watch_stereo = 0;
/* not needed in theory if HAVE_RADIO(), but
short programming enables carrier mute */
msp3400c_setmode(client,MSP_MODE_FM_RADIO);
msp3400c_setcarrier(client, MSP_CARRIER(10.7),
MSP_CARRIER(10.7));
/* scart routing */
- msp3400c_set_scart(client,SCART_IN2,0);
+ msp_set_scart(client,SCART_IN2,0);
/* msp34xx does radio decoding */
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x08, 0x0020);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x09, 0x0020);
- msp3400c_write(client,I2C_MSP3400C_DFP, 0x0b, 0x0020);
+ msp_write_dsp(client, 0x08, 0x0020);
+ msp_write_dsp(client, 0x09, 0x0020);
+ msp_write_dsp(client, 0x0b, 0x0020);
break;
case 0x0003:
case 0x0004:
case 0x0005:
- msp->mode = MSP_MODE_FM_TERRA;
- msp->rxsubchans = V4L2_TUNER_SUB_MONO;
- msp->audmode = V4L2_TUNER_MODE_MONO;
- msp->nicam_on = 0;
- msp->watch_stereo = 1;
+ state->mode = MSP_MODE_FM_TERRA;
+ state->rxsubchans = V4L2_TUNER_SUB_MONO;
+ state->audmode = V4L2_TUNER_MODE_MONO;
+ state->nicam_on = 0;
+ state->watch_stereo = 1;
break;
}
/* unmute, restore misc registers */
- msp3400c_setbass(client, msp->bass);
- msp3400c_settreble(client, msp->treble);
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
- msp3400c_write(client, I2C_MSP3400C_DFP, 0x13, msp->acb);
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x40, msp->i2s_mode);
+ msp_set_bass(client, state->bass);
+ msp_set_treble(client, state->treble);
+ msp_set_volume(client, state->muted, state->left, state->right);
+ msp_write_dsp(client, 0x13, state->acb);
+ msp_write_dem(client, 0x40, state->i2s_mode);
msp3400c_restore_dfp(client);
/* monitor tv audio mode */
- while (msp->watch_stereo) {
- if (msp34xx_sleep(msp,5000))
+ while (state->watch_stereo) {
+ if (msp_sleep(state,5000))
goto restart;
watch_stereo(client);
}
}
- msp3400_dbg("thread: exit\n");
+ msp_dbg1("thread: exit\n");
return 0;
}
/* ----------------------------------------------------------------------- */
-/* msp34xxG + (simpler no-thread) */
+/* msp34xxG + (autoselect no-thread) */
/* this one uses both automatic standard detection and automatic sound */
/* select which are available in the newer G versions */
/* struct msp: only norm, acb and source are really used in this mode */
static void msp34xxg_set_source(struct i2c_client *client, int source);
-/* (re-)initialize the msp34xxg, according to the current norm in msp->norm
+/* (re-)initialize the msp34xxg, according to the current norm in state->norm
* return 0 if it worked, -1 if it failed
*/
static int msp34xxg_reset(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int modus,std;
- if (msp3400c_reset(client))
+ if (msp_reset(client))
return -1;
/* make sure that input/output is muted (paranoid mode) */
- if (msp3400c_write(client,
- I2C_MSP3400C_DFP,
+ if (msp_write_dsp(client,
0x13, /* ACB */
0x0f20 /* mute DSP input, mute SCART 1 */))
return -1;
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x40, msp->i2s_mode);
+ msp_write_dem(client, 0x40, state->i2s_mode);
/* step-by-step initialisation, as described in the manual */
- modus = msp34xx_modus(client, msp->norm);
- std = msp34xx_standard(msp->norm);
+ modus = msp_modus(client, state->norm);
+ std = msp_standard(state->norm);
modus &= ~0x03; /* STATUS_CHANGE=0 */
modus |= 0x01; /* AUTOMATIC_SOUND_DETECTION=1 */
- if (msp3400c_write(client,
- I2C_MSP3400C_DEM,
- 0x30/*MODUS*/,
- modus))
+ if (msp_write_dem(client, 0x30/*MODUS*/, modus))
return -1;
- if (msp3400c_write(client,
- I2C_MSP3400C_DEM,
- 0x20/*standard*/,
- std))
+ if (msp_write_dem(client, 0x20/*standard*/, std))
return -1;
/* write the dfps that may have an influence on
standard/audio autodetection right now */
- msp34xxg_set_source(client, msp->source);
+ msp34xxg_set_source(client, state->source);
- if (msp3400c_write_dfp_with_default(client, 0x0e, /* AM/FM Prescale */
+ if (msp_write_dfp_with_default(client, 0x0e, /* AM/FM Prescale */
0x3000
/* default: [15:8] 75khz deviation */
))
return -1;
- if (msp3400c_write_dfp_with_default(client, 0x10, /* NICAM Prescale */
+ if (msp_write_dfp_with_default(client, 0x10, /* NICAM Prescale */
0x5a00
/* default: 9db gain (as recommended) */
))
static int msp34xxg_thread(void *data)
{
struct i2c_client *client = data;
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int val, std, i;
- msp3400_info("msp34xxg daemon started\n");
+ msp_info("msp34xxg daemon started\n");
- msp->source = 1; /* default */
+ state->source = 1; /* default */
for (;;) {
- msp3400_dbg_mediumvol("msp34xxg thread: sleep\n");
- msp34xx_sleep(msp,-1);
- msp3400_dbg_mediumvol("msp34xxg thread: wakeup\n");
+ msp_dbg2("msp34xxg thread: sleep\n");
+ msp_sleep(state,-1);
+ msp_dbg2("msp34xxg thread: wakeup\n");
restart:
- msp3400_dbg("thread: restart scan\n");
- msp->restart = 0;
+ msp_dbg1("thread: restart scan\n");
+ state->restart = 0;
if (kthread_should_stop())
break;
goto unmute;
/* watch autodetect */
- msp3400_dbg("triggered autodetect, waiting for result\n");
+ msp_dbg1("triggered autodetect, waiting for result\n");
for (i = 0; i < 10; i++) {
- if (msp34xx_sleep(msp,100))
+ if (msp_sleep(state,100))
goto restart;
/* check results */
- val = msp3400c_read(client, I2C_MSP3400C_DEM, 0x7e);
+ val = msp_read_dem(client, 0x7e);
if (val < 0x07ff) {
std = val;
break;
}
- msp3400_dbg("detection still in progress\n");
+ msp_dbg1("detection still in progress\n");
}
if (0x01 == std) {
- msp3400_dbg("detection still in progress after 10 tries. giving up.\n");
+ msp_dbg1("detection still in progress after 10 tries. giving up.\n");
continue;
}
unmute:
- msp3400_dbg("current mode: %s (0x%04x)\n",
- msp34xx_standard_mode_name(std), std);
+ state->mode = std;
+ msp_dbg1("current mode: %s (0x%04x)\n",
+ msp_standard_mode_name(std), std);
/* unmute: dispatch sound to scart output, set scart volume */
- msp3400_dbg("unmute\n");
+ msp_dbg1("unmute\n");
- msp3400c_setbass(client, msp->bass);
- msp3400c_settreble(client, msp->treble);
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ msp_set_bass(client, state->bass);
+ msp_set_treble(client, state->treble);
+ msp_set_volume(client, state->muted, state->left, state->right);
/* restore ACB */
- if (msp3400c_write(client,
- I2C_MSP3400C_DFP,
- 0x13, /* ACB */
- msp->acb))
+ if (msp_write_dsp(client, 0x13, state->acb))
return -1;
- msp3400c_write(client,I2C_MSP3400C_DEM, 0x40, msp->i2s_mode);
+ msp_write_dem(client, 0x40, state->i2s_mode);
}
- msp3400_dbg("thread: exit\n");
+ msp_dbg1("thread: exit\n");
return 0;
}
*/
static void msp34xxg_set_source(struct i2c_client *client, int source)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
/* fix matrix mode to stereo and let the msp choose what
* to output according to 'source', as recommended
* for MONO (source==0) downmixing set bit[7:0] to 0x30
*/
int value = (source&0x07)<<8|(source==0 ? 0x30:0x20);
- msp3400_dbg("set source to %d (0x%x)\n", source, value);
- msp3400c_write(client,
- I2C_MSP3400C_DFP,
+ msp_dbg1("set source to %d (0x%x)\n", source, value);
+ msp_write_dsp(client,
0x08, /* Loudspeaker Output */
value);
- msp3400c_write(client,
- I2C_MSP3400C_DFP,
+ msp_write_dsp(client,
0x0a, /* SCART1 DA Output */
value);
- msp3400c_write(client,
- I2C_MSP3400C_DFP,
+ msp_write_dsp(client,
0x0c, /* Quasi-peak detector */
value);
/*
* this needs tuning. (recommended range 0x00a0-0x03c0)
* 0x7f0 = forced mono mode
*/
- msp3400c_write(client,
- I2C_MSP3400C_DEM,
+ msp_write_dem(client,
0x22, /* a2 threshold for stereo/bilingual */
stereo_threshold);
- msp->source=source;
+ state->source=source;
}
static void msp34xxg_detect_stereo(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
- int status = msp3400c_read(client,
- I2C_MSP3400C_DEM,
+ int status = msp_read_dem(client,
0x0200 /* STATUS */);
int is_bilingual = status&0x100;
int is_stereo = status&0x40;
- msp->rxsubchans = 0;
+ state->rxsubchans = 0;
if (is_stereo)
- msp->rxsubchans |= V4L2_TUNER_SUB_STEREO;
+ state->rxsubchans |= V4L2_TUNER_SUB_STEREO;
else
- msp->rxsubchans |= V4L2_TUNER_SUB_MONO;
+ state->rxsubchans |= V4L2_TUNER_SUB_MONO;
if (is_bilingual) {
- msp->rxsubchans |= V4L2_TUNER_SUB_LANG1|V4L2_TUNER_SUB_LANG2;
+ state->rxsubchans |= V4L2_TUNER_SUB_LANG1|V4L2_TUNER_SUB_LANG2;
/* I'm supposed to check whether it's SAP or not
* and set only LANG2/SAP in this case. Yet, the MSP
* does a lot of work to hide this and handle everything
* this is a problem, I'll handle SAP just like lang1/lang2.
*/
}
- msp3400_dbg("status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n",
- status, is_stereo, is_bilingual, msp->rxsubchans);
+ msp_dbg1("status=0x%x, stereo=%d, bilingual=%d -> rxsubchans=%d\n",
+ status, is_stereo, is_bilingual, state->rxsubchans);
}
static void msp34xxg_set_audmode(struct i2c_client *client, int audmode)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
int source;
switch (audmode) {
source = 1;
break;
}
- msp->audmode = audmode;
+ state->audmode = audmode;
msp34xxg_set_source(client, source);
}
static void msp_wake_thread(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
- if (NULL == msp->kthread)
+ if (NULL == state->kthread)
return;
- msp3400c_setvolume(client,msp->muted,0,0);
- msp->watch_stereo = 0;
- msp->restart = 1;
- wake_up_interruptible(&msp->wq);
+ msp_set_volume(client,state->muted,0,0);
+ state->watch_stereo = 0;
+ state->restart = 1;
+ wake_up_interruptible(&state->wq);
}
/* ----------------------------------------------------------------------- */
static void msp_any_detect_stereo(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
- switch (msp->opmode) {
+ switch (state->opmode) {
case OPMODE_MANUAL:
- case OPMODE_SIMPLE:
+ case OPMODE_AUTODETECT:
autodetect_stereo(client);
break;
- case OPMODE_SIMPLER:
+ case OPMODE_AUTOSELECT:
msp34xxg_detect_stereo(client);
break;
}
}
-static struct v4l2_queryctrl msp34xx_qctrl[] = {
+static struct v4l2_queryctrl msp_qctrl[] = {
{
.id = V4L2_CID_AUDIO_VOLUME,
.name = "Volume",
static void msp_any_set_audmode(struct i2c_client *client, int audmode)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
- switch (msp->opmode) {
+ switch (state->opmode) {
case OPMODE_MANUAL:
- case OPMODE_SIMPLE:
- msp->watch_stereo = 0;
+ case OPMODE_AUTODETECT:
+ state->watch_stereo = 0;
msp3400c_setstereo(client, audmode);
break;
- case OPMODE_SIMPLER:
+ case OPMODE_AUTOSELECT:
msp34xxg_set_audmode(client, audmode);
break;
}
static int msp_get_ctrl(struct i2c_client *client, struct v4l2_control *ctrl)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
- ctrl->value = msp->muted;
+ ctrl->value = state->muted;
return 0;
case V4L2_CID_AUDIO_BALANCE:
{
- int volume = max(msp->left, msp->right);
+ int volume = max(state->left, state->right);
- ctrl->value = (32768 * min(msp->left, msp->right)) /
+ ctrl->value = (32768 * min(state->left, state->right)) /
(volume ? volume : 1);
- ctrl->value = (msp->left < msp->right) ?
+ ctrl->value = (state->left < state->right) ?
(65535 - ctrl->value) : ctrl->value;
if (0 == volume)
ctrl->value = 32768;
return 0;
}
case V4L2_CID_AUDIO_BASS:
- ctrl->value = msp->bass;
+ ctrl->value = state->bass;
return 0;
case V4L2_CID_AUDIO_TREBLE:
- ctrl->value = msp->treble;
+ ctrl->value = state->treble;
return 0;
case V4L2_CID_AUDIO_VOLUME:
- ctrl->value = max(msp->left, msp->right);
+ ctrl->value = max(state->left, state->right);
return 0;
default:
return -EINVAL;
static int msp_set_ctrl(struct i2c_client *client, struct v4l2_control *ctrl)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
- int set_volume=0, balance, volume;
+ struct msp_state *state = i2c_get_clientdata(client);
+ int set_volume = 0, balance, volume;
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
- if (ctrl->value>=0 && ctrl->value<2)
- msp->muted = ctrl->value;
- else
+ if (ctrl->value < 0 || ctrl->value >= 2)
return -ERANGE;
-
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ state->muted = ctrl->value;
+ msp_set_volume(client, state->muted, state->left, state->right);
return 0;
+
case V4L2_CID_AUDIO_BALANCE:
- balance=ctrl->value;
- volume = max(msp->left, msp->right);
- set_volume=1;
+ balance = ctrl->value;
+ volume = max(state->left, state->right);
+ set_volume = 1;
break;
+
case V4L2_CID_AUDIO_BASS:
- msp->bass=ctrl->value;
- msp3400c_setbass(client, msp->bass);
+ state->bass = ctrl->value;
+ msp_set_bass(client, state->bass);
return 0;
+
case V4L2_CID_AUDIO_TREBLE:
- msp->treble=ctrl->value;
- msp3400c_settreble(client, msp->treble);
+ state->treble = ctrl->value;
+ msp_set_treble(client, state->treble);
return 0;
+
case V4L2_CID_AUDIO_VOLUME:
- volume = max(msp->left, msp->right);
+ volume = max(state->left, state->right);
- balance = (32768 * min(msp->left, msp->right)) /
+ balance = (32768 * min(state->left, state->right)) /
(volume ? volume : 1);
- balance = (msp->left < msp->right) ?
+ balance = (state->left < state->right) ?
(65535 - balance) : balance;
- if (0 == volume)
+ if (volume == 0)
balance = 32768;
- volume=ctrl->value;
- set_volume=1;
+ volume = ctrl->value;
+ set_volume = 1;
break;
+
default:
return -EINVAL;
}
if (set_volume) {
- msp->left = (min(65536 - balance, 32768) * volume) / 32768;
- msp->right = (min(balance, 32768) * volume) / 32768;
+ state->left = (min(65536 - balance, 32768) * volume) / 32768;
+ state->right = (min(balance, 32768) * volume) / 32768;
- msp3400_dbg("volume=%d, balance=%d, left=%d, right=%d",
- volume,balance,msp->left,msp->right);
+ msp_dbg2("volume=%d, balance=%d, left=%d, right=%d",
+ volume, balance, state->left, state->right);
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ msp_set_volume(client, state->muted, state->left, state->right);
}
return 0;
}
static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
- __u16 *sarg = arg;
+ struct msp_state *state = i2c_get_clientdata(client);
+ u16 *sarg = arg;
int scart = 0;
switch (cmd) {
-
case AUDC_SET_INPUT:
- msp3400_dbg("AUDC_SET_INPUT(%d)\n",*sarg);
+ msp_dbg1("AUDC_SET_INPUT(%d)\n",*sarg);
- if (*sarg == msp->input)
+ if (*sarg == state->input)
break;
- msp->input = *sarg;
+ state->input = *sarg;
switch (*sarg) {
case AUDIO_RADIO:
/* Hauppauge uses IN2 for the radio */
- msp->mode = MSP_MODE_FM_RADIO;
+ state->mode = MSP_MODE_FM_RADIO;
scart = SCART_IN2;
break;
case AUDIO_EXTERN_1:
/* IN1 is often used for external input ... */
- msp->mode = MSP_MODE_EXTERN;
+ state->mode = MSP_MODE_EXTERN;
scart = SCART_IN1;
break;
case AUDIO_EXTERN_2:
/* ... sometimes it is IN2 through ;) */
- msp->mode = MSP_MODE_EXTERN;
+ state->mode = MSP_MODE_EXTERN;
scart = SCART_IN2;
break;
case AUDIO_TUNER:
- msp->mode = -1;
+ state->mode = -1;
break;
default:
if (*sarg & AUDIO_MUTE)
- msp3400c_set_scart(client,SCART_MUTE,0);
+ msp_set_scart(client, SCART_MUTE, 0);
break;
}
if (scart) {
- msp->rxsubchans = V4L2_TUNER_SUB_STEREO;
- msp->audmode = V4L2_TUNER_MODE_STEREO;
- msp3400c_set_scart(client,scart,0);
- msp3400c_write(client,I2C_MSP3400C_DFP,0x000d,0x1900);
- if (msp->opmode != OPMODE_SIMPLER)
- msp3400c_setstereo(client, msp->audmode);
+ state->rxsubchans = V4L2_TUNER_SUB_STEREO;
+ state->audmode = V4L2_TUNER_MODE_STEREO;
+ msp_set_scart(client, scart, 0);
+ msp_write_dsp(client, 0x000d, 0x1900);
+ if (state->opmode != OPMODE_AUTOSELECT)
+ msp3400c_setstereo(client, state->audmode);
}
msp_wake_thread(client);
break;
case AUDC_SET_RADIO:
- msp3400_dbg("AUDC_SET_RADIO\n");
- msp->norm = VIDEO_MODE_RADIO;
- msp3400_dbg("switching to radio mode\n");
- msp->watch_stereo = 0;
- switch (msp->opmode) {
+ msp_dbg1("AUDC_SET_RADIO\n");
+ state->norm = VIDEO_MODE_RADIO;
+ msp_dbg1("switching to radio mode\n");
+ state->watch_stereo = 0;
+ switch (state->opmode) {
case OPMODE_MANUAL:
/* set msp3400 to FM radio mode */
- msp3400c_setmode(client,MSP_MODE_FM_RADIO);
+ msp3400c_setmode(client, MSP_MODE_FM_RADIO);
msp3400c_setcarrier(client, MSP_CARRIER(10.7),
MSP_CARRIER(10.7));
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ msp_set_volume(client, state->muted, state->left, state->right);
break;
- case OPMODE_SIMPLE:
- case OPMODE_SIMPLER:
+ case OPMODE_AUTODETECT:
+ case OPMODE_AUTOSELECT:
/* the thread will do for us */
msp_wake_thread(client);
break;
for (i = 0; i < sizeof(bl_dfp) / sizeof(int); i++)
if (r->reg == bl_dfp[i])
return -EINVAL;
- msp->dfp_regs[r->reg] = r->value;
- msp3400c_write(client, I2C_MSP3400C_DFP, r->reg, r->value);
+ state->dfp_regs[r->reg] = r->value;
+ msp_write_dsp(client, r->reg, r->value);
return 0;
}
+
case MSP_GET_DFPREG:
{
struct msp_dfpreg *r = arg;
if (r->reg < 0 || r->reg >= DFP_COUNT)
return -EINVAL;
- r->value = msp3400c_read(client, I2C_MSP3400C_DFP, r->reg);
+ r->value = msp_read_dsp(client, r->reg);
return 0;
}
{
struct video_audio *va = arg;
- msp3400_dbg("VIDIOCGAUDIO\n");
+ msp_dbg1("VIDIOCGAUDIO\n");
va->flags |= VIDEO_AUDIO_VOLUME |
VIDEO_AUDIO_BASS |
VIDEO_AUDIO_TREBLE |
VIDEO_AUDIO_MUTABLE;
- if (msp->muted)
+ if (state->muted)
va->flags |= VIDEO_AUDIO_MUTE;
- if (msp->muted)
+ if (state->muted)
va->flags |= VIDEO_AUDIO_MUTE;
- va->volume = max(msp->left, msp->right);
- va->balance = (32768 * min(msp->left, msp->right)) /
+ va->volume = max(state->left, state->right);
+ va->balance = (32768 * min(state->left, state->right)) /
(va->volume ? va->volume : 1);
- va->balance = (msp->left < msp->right) ?
+ va->balance = (state->left < state->right) ?
(65535 - va->balance) : va->balance;
if (0 == va->volume)
va->balance = 32768;
- va->bass = msp->bass;
- va->treble = msp->treble;
+ va->bass = state->bass;
+ va->treble = state->treble;
msp_any_detect_stereo(client);
- va->mode = mode_v4l2_to_v4l1(msp->rxsubchans);
+ va->mode = mode_v4l2_to_v4l1(state->rxsubchans);
break;
}
+
case VIDIOCSAUDIO:
{
struct video_audio *va = arg;
- msp3400_dbg("VIDIOCSAUDIO\n");
- msp->muted = (va->flags & VIDEO_AUDIO_MUTE);
- msp->left = (min(65536 - va->balance, 32768) *
+ msp_dbg1("VIDIOCSAUDIO\n");
+ state->muted = (va->flags & VIDEO_AUDIO_MUTE);
+ state->left = (min(65536 - va->balance, 32768) *
va->volume) / 32768;
- msp->right = (min((int)va->balance, 32768) * va->volume) / 32768;
- msp->bass = va->bass;
- msp->treble = va->treble;
- msp3400_dbg("VIDIOCSAUDIO setting va->volume to %d\n",
- va->volume);
- msp3400_dbg("VIDIOCSAUDIO setting va->balance to %d\n",
- va->balance);
- msp3400_dbg("VIDIOCSAUDIO setting va->flags to %d\n",
- va->flags);
- msp3400_dbg("VIDIOCSAUDIO setting msp->left to %d\n",
- msp->left);
- msp3400_dbg("VIDIOCSAUDIO setting msp->right to %d\n",
- msp->right);
- msp3400_dbg("VIDIOCSAUDIO setting msp->bass to %d\n",
- msp->bass);
- msp3400_dbg("VIDIOCSAUDIO setting msp->treble to %d\n",
- msp->treble);
- msp3400_dbg("VIDIOCSAUDIO setting msp->mode to %d\n",
- msp->mode);
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
- msp3400c_setbass(client, msp->bass);
- msp3400c_settreble(client, msp->treble);
-
- if (va->mode != 0 && msp->norm != VIDEO_MODE_RADIO)
+ state->right = (min((int)va->balance, 32768) * va->volume) / 32768;
+ state->bass = va->bass;
+ state->treble = va->treble;
+ msp_dbg1("vol %d, bal %d, flags %x, left %d, right %d, bass %d, treble %d, mode %x\n",
+ va->volume, va->balance, va->flags, state->left,
+ state->right, state->bass, state->treble, state->mode);
+ msp_set_volume(client, state->muted, state->left, state->right);
+ msp_set_bass(client, state->bass);
+ msp_set_treble(client, state->treble);
+
+ if (va->mode != 0 && state->norm != VIDEO_MODE_RADIO)
msp_any_set_audmode(client,mode_v4l1_to_v4l2(va->mode));
break;
}
{
struct video_channel *vc = arg;
- msp3400_dbg("VIDIOCSCHAN (norm=%d)\n",vc->norm);
- msp->norm = vc->norm;
+ msp_dbg1("VIDIOCSCHAN (norm=%d)\n",vc->norm);
+ state->norm = vc->norm;
msp_wake_thread(client);
break;
}
case VIDIOC_S_FREQUENCY:
{
/* new channel -- kick audio carrier scan */
- msp3400_dbg("VIDIOCSFREQ\n");
+ msp_dbg1("VIDIOCSFREQ\n");
msp_wake_thread(client);
break;
}
{
struct msp_matrix *mspm = arg;
- msp3400_dbg("MSP_SET_MATRIX\n");
- msp3400c_set_scart(client, mspm->input, mspm->output);
+ msp_dbg1("MSP_SET_MATRIX\n");
+ msp_set_scart(client, mspm->input, mspm->output);
break;
}
/*FIXME: use V4L2 mode flags on msp3400 instead of V4L1*/
if (*id & V4L2_STD_PAL) {
- msp->norm=VIDEO_MODE_PAL;
+ state->norm=VIDEO_MODE_PAL;
} else if (*id & V4L2_STD_SECAM) {
- msp->norm=VIDEO_MODE_SECAM;
+ state->norm=VIDEO_MODE_SECAM;
} else {
- msp->norm=VIDEO_MODE_NTSC;
+ state->norm=VIDEO_MODE_NTSC;
}
msp_wake_thread(client);
}
msp_any_detect_stereo(client);
- if (msp->audmode == V4L2_TUNER_MODE_STEREO) {
+ if (state->audmode == V4L2_TUNER_MODE_STEREO) {
a->capability=V4L2_AUDCAP_STEREO;
}
break;
}
+
case VIDIOC_S_AUDIO:
{
struct v4l2_audio *sarg = arg;
switch (sarg->index) {
case AUDIO_RADIO:
/* Hauppauge uses IN2 for the radio */
- msp->mode = MSP_MODE_FM_RADIO;
+ state->mode = MSP_MODE_FM_RADIO;
scart = SCART_IN2;
break;
case AUDIO_EXTERN_1:
/* IN1 is often used for external input ... */
- msp->mode = MSP_MODE_EXTERN;
+ state->mode = MSP_MODE_EXTERN;
scart = SCART_IN1;
break;
case AUDIO_EXTERN_2:
/* ... sometimes it is IN2 through ;) */
- msp->mode = MSP_MODE_EXTERN;
+ state->mode = MSP_MODE_EXTERN;
scart = SCART_IN2;
break;
case AUDIO_TUNER:
- msp->mode = -1;
+ state->mode = -1;
break;
}
if (scart) {
- msp->rxsubchans = V4L2_TUNER_SUB_STEREO;
- msp->audmode = V4L2_TUNER_MODE_STEREO;
- msp3400c_set_scart(client,scart,0);
- msp3400c_write(client,I2C_MSP3400C_DFP,0x000d,0x1900);
+ state->rxsubchans = V4L2_TUNER_SUB_STEREO;
+ state->audmode = V4L2_TUNER_MODE_STEREO;
+ msp_set_scart(client,scart,0);
+ msp_write_dsp(client,0x000d,0x1900);
}
if (sarg->capability==V4L2_AUDCAP_STEREO) {
- msp->audmode = V4L2_TUNER_MODE_STEREO;
+ state->audmode = V4L2_TUNER_MODE_STEREO;
} else {
- msp->audmode &= ~V4L2_TUNER_MODE_STEREO;
+ state->audmode &= ~V4L2_TUNER_MODE_STEREO;
}
- msp_any_set_audmode(client, msp->audmode);
+ msp_any_set_audmode(client, state->audmode);
msp_wake_thread(client);
break;
}
+
case VIDIOC_G_TUNER:
{
struct v4l2_tuner *vt = arg;
msp_any_detect_stereo(client);
- vt->audmode = msp->audmode;
- vt->rxsubchans = msp->rxsubchans;
+ vt->audmode = state->audmode;
+ vt->rxsubchans = state->rxsubchans;
vt->capability = V4L2_TUNER_CAP_STEREO |
V4L2_TUNER_CAP_LANG1|
V4L2_TUNER_CAP_LANG2;
break;
}
+
case VIDIOC_S_TUNER:
{
struct v4l2_tuner *vt=(struct v4l2_tuner *)arg;
break;
}
+
case VIDIOC_S_AUDOUT:
{
struct v4l2_audioout *a=(struct v4l2_audioout *)arg;
if (a->index<0||a->index>2)
return -EINVAL;
- msp3400_dbg("Setting audio out on msp34xx to input %i\n",a->index);
- msp3400c_set_scart(client,msp->in_scart,a->index+1);
+ msp_dbg1("Setting audio out on msp34xx to input %i\n",a->index);
+ msp_set_scart(client,state->in_scart,a->index+1);
break;
}
+
case VIDIOC_INT_I2S_CLOCK_FREQ:
{
u32 *a=(u32 *)arg;
- msp3400_dbg("Setting I2S speed to %d\n",*a);
+ msp_dbg1("Setting I2S speed to %d\n",*a);
switch (*a) {
case 1024000:
- msp->i2s_mode=0;
+ state->i2s_mode=0;
break;
case 2048000:
- msp->i2s_mode=1;
+ state->i2s_mode=1;
break;
default:
return -EINVAL;
struct v4l2_queryctrl *qc = arg;
int i;
- msp3400_dbg("VIDIOC_QUERYCTRL\n");
+ msp_dbg1("VIDIOC_QUERYCTRL\n");
- for (i = 0; i < ARRAY_SIZE(msp34xx_qctrl); i++)
- if (qc->id && qc->id == msp34xx_qctrl[i].id) {
- memcpy(qc, &(msp34xx_qctrl[i]),
+ for (i = 0; i < ARRAY_SIZE(msp_qctrl); i++)
+ if (qc->id && qc->id == msp_qctrl[i].id) {
+ memcpy(qc, &(msp_qctrl[i]),
sizeof(*qc));
return 0;
}
return -EINVAL;
}
+
case VIDIOC_G_CTRL:
{
struct v4l2_control *ctrl = arg;
- msp3400_dbg("VIDIOC_G_CTRL\n");
+ msp_dbg1("VIDIOC_G_CTRL\n");
return msp_get_ctrl(client, ctrl);
}
+
case VIDIOC_S_CTRL:
{
struct v4l2_control *ctrl = arg;
- msp3400_dbg("VIDIOC_S_CTRL\n");
+ msp_dbg1("VIDIOC_S_CTRL\n");
return msp_set_ctrl(client, ctrl);
}
+ case VIDIOC_LOG_STATUS:
+ msp_any_detect_stereo(client);
+ msp_info("%s rev1 = 0x%04x rev2 = 0x%04x\n",
+ client->name, state->rev1, state->rev2);
+ msp_info("Volume: left %d right %d bass %d treble %d%s\n",
+ state->left, state->right,
+ state->bass, state->treble,
+ state->muted ? " (muted)" : "");
+ msp_info("Mode: %s (%s%s)\n", msp_standard_mode_name(state->mode),
+ (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono",
+ (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : "");
+ msp_info("ACB: 0x%04x\n", state->acb);
+ break;
+
default:
/* nothing */
break;
{
struct i2c_client *client = container_of(dev, struct i2c_client, dev);
- msp3400_dbg("suspend\n");
- msp3400c_reset(client);
+ msp_dbg1("suspend\n");
+ msp_reset(client);
return 0;
}
{
struct i2c_client *client = container_of(dev, struct i2c_client, dev);
- msp3400_dbg("resume\n");
+ msp_dbg1("resume\n");
msp_wake_thread(client);
return 0;
}
/* ----------------------------------------------------------------------- */
-static int msp_probe(struct i2c_adapter *adap);
-static int msp_detach(struct i2c_client *client);
-
-static struct i2c_driver driver = {
- .owner = THIS_MODULE,
- .name = "msp3400",
- .id = I2C_DRIVERID_MSP3400,
- .flags = I2C_DF_NOTIFY,
- .attach_adapter = msp_probe,
- .detach_client = msp_detach,
- .command = msp_command,
- .driver = {
- .suspend = msp_suspend,
- .resume = msp_resume,
- },
-};
-
-static struct i2c_client client_template =
-{
- .name = "(unset)",
- .flags = I2C_CLIENT_ALLOW_USE,
- .driver = &driver,
-};
+static struct i2c_driver i2c_driver;
-static int msp_attach(struct i2c_adapter *adap, int addr, int kind)
+static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
{
- struct msp3400c *msp;
- struct i2c_client *client = &client_template;
+ struct i2c_client *client;
+ struct msp_state *state;
int (*thread_func)(void *data) = NULL;
int i;
- client_template.adapter = adap;
- client_template.addr = addr;
-
- if (-1 == msp3400c_reset(&client_template)) {
- msp3400_dbg("no chip found\n");
+ client = kmalloc(sizeof(*client), GFP_KERNEL);
+ if (client == NULL)
+ return -ENOMEM;
+ memset(client, 0, sizeof(*client));
+ client->addr = address;
+ client->adapter = adapter;
+ client->driver = &i2c_driver;
+ client->flags = I2C_CLIENT_ALLOW_USE;
+ snprintf(client->name, sizeof(client->name) - 1, "msp3400");
+
+ if (msp_reset(client) == -1) {
+ msp_dbg1("msp3400 not found\n");
+ kfree(client);
return -1;
}
- if (NULL == (client = kmalloc(sizeof(struct i2c_client),GFP_KERNEL)))
- return -ENOMEM;
- memcpy(client,&client_template,sizeof(struct i2c_client));
- if (NULL == (msp = kmalloc(sizeof(struct msp3400c),GFP_KERNEL))) {
+ state = kmalloc(sizeof(*state), GFP_KERNEL);
+ if (state == NULL) {
kfree(client);
return -ENOMEM;
}
-
- memset(msp,0,sizeof(struct msp3400c));
- msp->norm = VIDEO_MODE_NTSC;
- msp->left = 58880; /* 0db gain */
- msp->right = 58880; /* 0db gain */
- msp->bass = 32768;
- msp->treble = 32768;
- msp->input = -1;
- msp->muted = 0;
- msp->i2s_mode = 0;
+ i2c_set_clientdata(client, state);
+
+ memset(state, 0, sizeof(*state));
+ state->norm = VIDEO_MODE_NTSC;
+ state->left = 58880; /* 0db gain */
+ state->right = 58880; /* 0db gain */
+ state->bass = 32768;
+ state->treble = 32768;
+ state->input = -1;
+ state->muted = 0;
+ state->i2s_mode = 0;
for (i = 0; i < DFP_COUNT; i++)
- msp->dfp_regs[i] = -1;
-
- i2c_set_clientdata(client, msp);
- init_waitqueue_head(&msp->wq);
-
- if (-1 == msp3400c_reset(client)) {
- kfree(msp);
+ state->dfp_regs[i] = -1;
+ init_waitqueue_head(&state->wq);
+
+ state->rev1 = msp_read_dsp(client, 0x1e);
+ if (state->rev1 != -1)
+ state->rev2 = msp_read_dsp(client, 0x1f);
+ msp_dbg1("rev1=0x%04x, rev2=0x%04x\n", state->rev1, state->rev2);
+ if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) {
+ msp_dbg1("error while reading chip version\n");
+ kfree(state);
kfree(client);
- msp3400_dbg("no chip found\n");
return -1;
}
- msp->rev1 = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1e);
- if (-1 != msp->rev1)
- msp->rev2 = msp3400c_read(client, I2C_MSP3400C_DFP, 0x1f);
- if ((-1 == msp->rev1) || (0 == msp->rev1 && 0 == msp->rev2)) {
- kfree(msp);
- kfree(client);
- msp3400_dbg("error while reading chip version\n");
- return -1;
- }
- msp3400_dbg("rev1=0x%04x, rev2=0x%04x\n", msp->rev1, msp->rev2);
-
- msp3400c_setvolume(client, msp->muted, msp->left, msp->right);
+ msp_set_volume(client, state->muted, state->left, state->right);
snprintf(client->name, sizeof(client->name), "MSP%c4%02d%c-%c%d",
- ((msp->rev1>>4)&0x0f) + '3',
- (msp->rev2>>8)&0xff, (msp->rev1&0x0f)+'@',
- ((msp->rev1>>8)&0xff)+'@', msp->rev2&0x1f);
-
- msp->opmode = opmode;
- if (OPMODE_AUTO == msp->opmode) {
- if (HAVE_SIMPLER(msp))
- msp->opmode = OPMODE_SIMPLER;
- else if (HAVE_SIMPLE(msp))
- msp->opmode = OPMODE_SIMPLE;
+ ((state->rev1 >> 4) & 0x0f) + '3',
+ (state->rev2 >> 8) & 0xff,
+ (state->rev1 & 0x0f) + '@',
+ ((state->rev1 >> 8) & 0xff) + '@',
+ state->rev2 & 0x1f);
+
+ state->opmode = opmode;
+ if (state->opmode == OPMODE_AUTO) {
+ /* MSP revision G and up have both autodetect and autoselect */
+ if ((state->rev1 & 0x0f) >= 'G'-'@')
+ state->opmode = OPMODE_AUTOSELECT;
+ /* MSP revision D and up have autodetect */
+ else if ((state->rev1 & 0x0f) >= 'D'-'@')
+ state->opmode = OPMODE_AUTODETECT;
else
- msp->opmode = OPMODE_MANUAL;
+ state->opmode = OPMODE_MANUAL;
}
/* hello world :-) */
- msp3400_info("chip=%s", client->name);
- if (HAVE_NICAM(msp))
- printk(" +nicam");
- if (HAVE_SIMPLE(msp))
- printk(" +simple");
- if (HAVE_SIMPLER(msp))
- printk(" +simpler");
- if (HAVE_RADIO(msp))
- printk(" +radio");
+ msp_info("%s found @ 0x%x (%s)\n", client->name, address << 1, adapter->name);
+ msp_info("%s ", client->name);
+ if (HAVE_NICAM(state) && HAVE_RADIO(state))
+ printk("supports nicam and radio, ");
+ else if (HAVE_NICAM(state))
+ printk("supports nicam, ");
+ else if (HAVE_RADIO(state))
+ printk("supports radio, ");
+ printk("mode is ");
/* version-specific initialization */
- switch (msp->opmode) {
+ switch (state->opmode) {
case OPMODE_MANUAL:
- printk(" mode=manual");
+ printk("manual");
thread_func = msp3400c_thread;
break;
- case OPMODE_SIMPLE:
- printk(" mode=simple");
+ case OPMODE_AUTODETECT:
+ printk("autodetect");
thread_func = msp3410d_thread;
break;
- case OPMODE_SIMPLER:
- printk(" mode=simpler");
+ case OPMODE_AUTOSELECT:
+ printk("autodetect and autoselect");
thread_func = msp34xxg_thread;
break;
}
/* startup control thread if needed */
if (thread_func) {
- msp->kthread = kthread_run(thread_func, client, "msp34xx");
+ state->kthread = kthread_run(thread_func, client, "msp34xx");
- if (NULL == msp->kthread)
- msp3400_warn("kernel_thread() failed\n");
+ if (NULL == state->kthread)
+ msp_warn("kernel_thread() failed\n");
msp_wake_thread(client);
}
return 0;
}
+static int msp_probe(struct i2c_adapter *adapter)
+{
+ if (adapter->class & I2C_CLASS_TV_ANALOG)
+ return i2c_probe(adapter, &addr_data, msp_attach);
+ return 0;
+}
+
static int msp_detach(struct i2c_client *client)
{
- struct msp3400c *msp = i2c_get_clientdata(client);
+ struct msp_state *state = i2c_get_clientdata(client);
+ int err;
/* shutdown control thread */
- if (msp->kthread) {
- msp->restart = 1;
- kthread_stop(msp->kthread);
+ if (state->kthread) {
+ state->restart = 1;
+ kthread_stop(state->kthread);
}
- msp3400c_reset(client);
+ msp_reset(client);
- i2c_detach_client(client);
+ err = i2c_detach_client(client);
+ if (err) {
+ return err;
+ }
- kfree(msp);
+ kfree(state);
kfree(client);
return 0;
}
-static int msp_probe(struct i2c_adapter *adap)
-{
- if (adap->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adap, &addr_data, msp_attach);
- return 0;
-}
+/* ----------------------------------------------------------------------- */
+
+/* i2c implementation */
+static struct i2c_driver i2c_driver = {
+ .name = "msp3400",
+ .id = I2C_DRIVERID_MSP3400,
+ .flags = I2C_DF_NOTIFY,
+ .attach_adapter = msp_probe,
+ .detach_client = msp_detach,
+ .command = msp_command,
+ .driver = {
+ .suspend = msp_suspend,
+ .resume = msp_resume,
+ },
+ .owner = THIS_MODULE,
+};
static int __init msp3400_init_module(void)
{
- return i2c_add_driver(&driver);
+ return i2c_add_driver(&i2c_driver);
}
static void __exit msp3400_cleanup_module(void)
{
- i2c_del_driver(&driver);
+ i2c_del_driver(&i2c_driver);
}
module_init(msp3400_init_module);
projects / linux-2.6 / commitdiff