renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-21 19:53:59 +08:00
Code

V4L/DVB (5542): Budget-av: Remove polarity switching of the clock for DVB-C

Browse Source 
Remove the polarity switching of the clock for the DVB-C cards in
budget-av.c. This hack is no longer necessary because the saa7146 can
do the job to remove the additional FEC bytes from the TS.

Signed-off-by: Hartmut Birr <e9hack@googlemail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hartmut Birr 2007-04-21 19:17:49 -03:00 committed by Mauro Carvalho Chehab
parent a1314b1ab6
commit fd9c66e269
4 changed files with 36 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/media/dvb/frontends/tda10021.c
View File

@ -64,7 +64,7 @@ static u8 tda10021_inittab[0x40]=
{
0x73, 0x6a, 0x23, 0x0a, 0x02, 0x37, 0x77, 0x1a,
0x37, 0x6a, 0x17, 0x8a, 0x1e, 0x86, 0x43, 0x40,
0xb8, 0x3f, 0xa0, 0x00, 0xcd, 0x01, 0x00, 0xff,
0xb8, 0x3f, 0xa1, 0x00, 0xcd, 0x01, 0x00, 0xff,
0x11, 0x00, 0x7c, 0x31, 0x30, 0x20, 0x00, 0x00,
0x02, 0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00,
0x07, 0x00, 0x33, 0x11, 0x0d, 0x95, 0x08, 0x58,
@ -201,16 +201,6 @@ static int tda10021_set_symbolrate (struct tda10021_state* state, u32 symbolrate
return 0;
}
static int tda10021_write(struct dvb_frontend* fe, u8 *buf, int len)
{
struct tda10021_state* state = fe->demodulator_priv;
if (len != 2)
return -EINVAL;
return _tda10021_writereg(state, buf[0], buf[1]);
}
static int tda10021_init (struct dvb_frontend *fe)
{
struct tda10021_state* state = fe->demodulator_priv;
@ -461,7 +451,6 @@ static struct dvb_frontend_ops tda10021_ops = {
.init = tda10021_init,
.sleep = tda10021_sleep,
.write = tda10021_write,
.i2c_gate_ctrl = tda10021_i2c_gate_ctrl,
.set_frontend = tda10021_set_parameters,

8
drivers/media/dvb/frontends/tda10021.h
View File

@ -44,12 +44,4 @@ static inline struct dvb_frontend* tda10021_attach(const struct tda10021_config*
}
#endif // CONFIG_DVB_TDA10021
static inline int tda10021_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
int r = 0;
u8 buf[] = {reg, val};
if (fe->ops.write)
r = fe->ops.write(fe, buf, 2);
return r;
}
#endif // TDA10021_H

40
drivers/media/dvb/ttpci/budget-av.c
View File

@ -66,9 +66,6 @@ struct budget_av {
int slot_status;
struct dvb_ca_en50221 ca;
u8 reinitialise_demod:1;
u8 tda10021_poclkp:1;
u8 tda10021_ts_enabled;
int (*tda10021_set_frontend)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
};
static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot);
@ -234,12 +231,6 @@ static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
if (budget_av->reinitialise_demod)
dvb_frontend_reinitialise(budget_av->budget.dvb_frontend);
/* set tda10021 back to original clock configuration on reset */
if (budget_av->tda10021_poclkp) {
tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
budget_av->tda10021_ts_enabled = 0;
}
return 0;
}
@ -256,11 +247,6 @@ static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
budget_av->slot_status = SLOTSTATUS_NONE;
/* set tda10021 back to original clock configuration when cam removed */
if (budget_av->tda10021_poclkp) {
tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
budget_av->tda10021_ts_enabled = 0;
}
return 0;
}
@ -276,12 +262,6 @@ static int ciintf_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTA);
/* tda10021 seems to need a different TS clock config when data is routed to the CAM */
if (budget_av->tda10021_poclkp) {
tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa1);
budget_av->tda10021_ts_enabled = 1;
}
return 0;
}
@ -927,23 +907,6 @@ static u8 read_pwm(struct budget_av *budget_av)
#define SUBID_DVBT_KNC1 0x0030
#define SUBID_DVBT_CINERGY1200 0x1157
static int tda10021_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct budget_av* budget_av = fe->dvb->priv;
int result;
result = budget_av->tda10021_set_frontend(fe, p);
if (budget_av->tda10021_ts_enabled) {
tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa1);
} else {
tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
}
return result;
}
static void frontend_init(struct budget_av *budget_av)
{
struct saa7146_dev * saa = budget_av->budget.dev;
@ -1025,9 +988,6 @@ static void frontend_init(struct budget_av *budget_av)
&budget_av->budget.i2c_adap,
read_pwm(budget_av));
if (fe) {
budget_av->tda10021_poclkp = 1;
budget_av->tda10021_set_frontend = fe->ops.set_frontend;
fe->ops.set_frontend = tda10021_set_frontend;
fe->ops.tuner_ops.set_params = philips_cu1216_tuner_set_params;
}
break;

42
drivers/media/dvb/ttpci/budget-core.c
View File

@ -41,11 +41,14 @@
#define TS_WIDTH (2 * TS_SIZE)
#define TS_WIDTH_ACTIVY TS_SIZE
#define TS_WIDTH_DVBC TS_SIZE
#define TS_HEIGHT_MASK 0xf00
#define TS_HEIGHT_MASK_ACTIVY 0xc00
#define TS_HEIGHT_MASK_DVBC 0xe00
#define TS_MIN_BUFSIZE_K 188
#define TS_MAX_BUFSIZE_K 1410
#define TS_MAX_BUFSIZE_K_ACTIVY 564
#define TS_MAX_BUFSIZE_K_DVBC 1316
#define BUFFER_WARNING_WAIT (30*HZ)
int budget_debug;
@ -122,7 +125,13 @@ static int start_ts_capture(struct budget *budget)
mdelay(10);
saa7146_write(dev, BASE_ODD3, 0);
saa7146_write(dev, BASE_EVEN3, 0);
if (budget->buffer_size > budget->buffer_height * budget->buffer_width) {
// using odd/even buffers
saa7146_write(dev, BASE_EVEN3, budget->buffer_height * budget->buffer_width);
} else {
// using a single buffer
saa7146_write(dev, BASE_EVEN3, 0);
}
saa7146_write(dev, PROT_ADDR3, budget->buffer_size);
saa7146_write(dev, BASE_PAGE3, budget->pt.dma | ME1 | 0x90);
@ -399,11 +408,22 @@ int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
budget->card = bi;
budget->dev = (struct saa7146_dev *) dev;
if (budget->card->type == BUDGET_FS_ACTIVY) {
switch(budget->card->type) {
case BUDGET_FS_ACTIVY:
budget->buffer_width = TS_WIDTH_ACTIVY;
max_bufsize = TS_MAX_BUFSIZE_K_ACTIVY;
height_mask = TS_HEIGHT_MASK_ACTIVY;
} else {
break;
case BUDGET_KNC1C:
case BUDGET_KNC1CP:
case BUDGET_CIN1200C:
budget->buffer_width = TS_WIDTH_DVBC;
max_bufsize = TS_MAX_BUFSIZE_K_DVBC;
height_mask = TS_HEIGHT_MASK_DVBC;
break;
default:
budget->buffer_width = TS_WIDTH;
max_bufsize = TS_MAX_BUFSIZE_K;
height_mask = TS_HEIGHT_MASK;
@ -415,14 +435,22 @@ int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev,
dma_buffer_size = max_bufsize;
budget->buffer_height = dma_buffer_size * 1024 / budget->buffer_width;
budget->buffer_height &= height_mask;
budget->buffer_size = budget->buffer_height * budget->buffer_width;
if (budget->buffer_height > 0xfff) {
budget->buffer_height /= 2;
budget->buffer_height &= height_mask;
budget->buffer_size = 2 * budget->buffer_height * budget->buffer_width;
} else {
budget->buffer_height &= height_mask;
budget->buffer_size = budget->buffer_height * budget->buffer_width;
}
budget->buffer_warning_threshold = budget->buffer_size * 80/100;
budget->buffer_warnings = 0;
budget->buffer_warning_time = jiffies;
dprintk(2, "%s: width = %d, height = %d\n",
budget->dev->name, budget->buffer_width, budget->buffer_height);
dprintk(2, "%s: buffer type = %s, width = %d, height = %d\n",
budget->dev->name,
budget->buffer_size > budget->buffer_width * budget->buffer_height ? "odd/even" : "single",
budget->buffer_width, budget->buffer_height);
printk("%s: dma buffer size %u\n", budget->dev->name, budget->buffer_size);
if ((ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name, owner, &budget->dev->pci->dev)) < 0) {