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V4L/DVB (3984): Fix CI interface on KNC1 DVBT and DVBC cards

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These cards need special handling for CI - reinitialising the frontend
device when the CI module is reset. Additionally the tda10021 needs to be set
into a different transport stream mode when a CI module is present.

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Andrew de Quincey 2006-05-22 10:32:02 -03:00 committed by Mauro Carvalho Chehab
parent 48c35756a7
commit 5c1208ba45
4 changed files with 154 additions and 77 deletions
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25
drivers/media/dvb/dvb-core/dvb_ca_en50221.c
View File

@ -1060,8 +1060,18 @@ static int dvb_ca_en50221_thread(void *data)
break;
case DVB_CA_SLOTSTATE_VALIDATE:
if (dvb_ca_en50221_parse_attributes(ca, slot)
!= 0) {
if (dvb_ca_en50221_parse_attributes(ca, slot) != 0) {
/* we need this extra check for annoying interfaces like the budget-av */
if ((!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) &&
(ca->pub->poll_slot_status)) {
int status = ca->pub->poll_slot_status(ca->pub, slot, 0);
if (!(status & DVB_CA_EN50221_POLL_CAM_PRESENT)) {
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_NONE;
dvb_ca_en50221_thread_update_delay(ca);
break;
}
}
printk("dvb_ca adapter %d: Invalid PC card inserted :(\n",
ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
@ -1108,6 +1118,17 @@ static int dvb_ca_en50221_thread(void *data)
case DVB_CA_SLOTSTATE_LINKINIT:
if (dvb_ca_en50221_link_init(ca, slot) != 0) {
/* we need this extra check for annoying interfaces like the budget-av */
if ((!(ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE)) &&
(ca->pub->poll_slot_status)) {
int status = ca->pub->poll_slot_status(ca->pub, slot, 0);
if (!(status & DVB_CA_EN50221_POLL_CAM_PRESENT)) {
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_NONE;
dvb_ca_en50221_thread_update_delay(ca);
break;
}
}
printk("dvb_ca adapter %d: DVB CAM link initialisation failed :(\n", ca->dvbdev->adapter->num);
ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID;
dvb_ca_en50221_thread_update_delay(ca);

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

@ -90,6 +90,14 @@ static int tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)
return (ret != 1) ? -EREMOTEIO : 0;
}
int tda10021_write_byte(struct dvb_frontend* fe, int reg, int data)
{
struct tda10021_state* state = fe->demodulator_priv;
return tda10021_writereg(state, reg, data);
}
EXPORT_SYMBOL(tda10021_write_byte);
static u8 tda10021_readreg (struct tda10021_state* state, u8 reg)
{
u8 b0 [] = { reg };

2
drivers/media/dvb/frontends/tda10021.h
View File

@ -35,4 +35,6 @@ struct tda10021_config
extern struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,
struct i2c_adapter* i2c, u8 pwm);
extern int tda10021_write_byte(struct dvb_frontend* fe, int reg, int data);
#endif // TDA10021_H

196
drivers/media/dvb/ttpci/budget-av.c
View File

@ -50,6 +50,12 @@
#define DEBICICAM 0x02420000
#define SLOTSTATUS_NONE 1
#define SLOTSTATUS_PRESENT 2
#define SLOTSTATUS_RESET 4
#define SLOTSTATUS_READY 8
#define SLOTSTATUS_OCCUPIED (SLOTSTATUS_PRESENT|SLOTSTATUS_RESET|SLOTSTATUS_READY)
struct budget_av {
struct budget budget;
struct video_device *vd;
@ -58,8 +64,15 @@ struct budget_av {
struct tasklet_struct ciintf_irq_tasklet;
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);
/* GPIO Connections:
* 0 - Vcc/Reset (Reset is controlled by capacitor). Resets the frontend *AS WELL*!
* 1 - CI memory select 0=>IO memory, 1=>Attribute Memory
@ -129,9 +142,10 @@ static int ciintf_read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int ad
udelay(1);
result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 0xfff, 1, 0, 1);
if (result == -ETIMEDOUT)
budget_av->slot_status = 0;
if (result == -ETIMEDOUT) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 1\n");
}
return result;
}
@ -147,9 +161,10 @@ static int ciintf_write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int a
udelay(1);
result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 0xfff, 1, value, 0, 1);
if (result == -ETIMEDOUT)
budget_av->slot_status = 0;
if (result == -ETIMEDOUT) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 2\n");
}
return result;
}
@ -165,9 +180,11 @@ static int ciintf_read_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 addre
udelay(1);
result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, address & 3, 1, 0, 0);
if (result == -ETIMEDOUT)
budget_av->slot_status = 0;
if ((result == -ETIMEDOUT) || ((result == 0xff) && ((address & 3) < 2))) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 3\n");
return -ETIMEDOUT;
}
return result;
}
@ -183,9 +200,10 @@ static int ciintf_write_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 addr
udelay(1);
result = ttpci_budget_debiwrite(&budget_av->budget, DEBICICAM, address & 3, 1, value, 0, 0);
if (result == -ETIMEDOUT)
budget_av->slot_status = 0;
if (result == -ETIMEDOUT) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 5\n");
}
return result;
}
@ -193,12 +211,12 @@ static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
struct saa7146_dev *saa = budget_av->budget.dev;
int timeout = 50; // 5 seconds (4.4.6 Ready)
if (slot != 0)
return -EINVAL;
dprintk(1, "ciintf_slot_reset\n");
budget_av->slot_status = SLOTSTATUS_RESET;
saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
@ -208,20 +226,17 @@ static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
msleep(20); /* 20 ms Vcc settling time */
saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTLO); /* enable card */
ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
msleep(20);
/* This should have been based on pin 16 READY of the pcmcia port,
* but AFAICS it is not routed to the saa7146 */
while (--timeout > 0 && ciintf_read_attribute_mem(ca, slot, 0) != 0x1d)
msleep(100);
/* reinitialise the frontend if necessary */
if (budget_av->reinitialise_demod)
dvb_frontend_reinitialise(budget_av->budget.dvb_frontend);
/* reinitialise the frontend */
dvb_frontend_reinitialise(budget_av->budget.dvb_frontend);
if (timeout <= 0)
{
printk(KERN_ERR "budget-av: cam reset failed (timeout).\n");
saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
return -ETIMEDOUT;
/* set tda10021 back to original clock configuration on reset */
if (budget_av->tda10021_poclkp) {
tda10021_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa0);
budget_av->tda10021_ts_enabled = 0;
}
return 0;
@ -238,7 +253,13 @@ static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
dprintk(1, "ciintf_slot_shutdown\n");
ttpci_budget_set_video_port(saa, BUDGET_VIDEO_PORTB);
budget_av->slot_status = 0;
budget_av->slot_status = SLOTSTATUS_NONE;
/* set tda10021 back to original clock configuration when cam removed */
if (budget_av->tda10021_poclkp) {
tda10021_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa0);
budget_av->tda10021_ts_enabled = 0;
}
return 0;
}
@ -253,6 +274,13 @@ static int ciintf_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
dprintk(1, "ciintf_slot_ts_enable: %d\n", budget_av->slot_status);
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_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa1);
budget_av->tda10021_ts_enabled = 1;
}
return 0;
}
@ -260,50 +288,61 @@ static int ciintf_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open
{
struct budget_av *budget_av = (struct budget_av *) ca->data;
struct saa7146_dev *saa = budget_av->budget.dev;
int cam_present = 0;
int result;
if (slot != 0)
return -EINVAL;
if (!budget_av->slot_status)
{
// first of all test the card detect line
/* test the card detect line - needs to be done carefully
* since it never goes high for some CAMs on this interface (e.g. topuptv) */
if (budget_av->slot_status == SLOTSTATUS_NONE) {
saa7146_setgpio(saa, 3, SAA7146_GPIO_INPUT);
udelay(1);
if (saa7146_read(saa, PSR) & MASK_06)
{
cam_present = 1;
}
saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
// that is unreliable however, so try and read from IO memory
if (!cam_present)
{
saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
if (ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1) != -ETIMEDOUT)
{
cam_present = 1;
if (saa7146_read(saa, PSR) & MASK_06) {
if (budget_av->slot_status == SLOTSTATUS_NONE) {
budget_av->slot_status = SLOTSTATUS_PRESENT;
printk(KERN_INFO "budget-av: cam inserted A\n");
}
}
saa7146_setgpio(saa, 3, SAA7146_GPIO_OUTLO);
}
// did we find something?
if (cam_present) {
printk(KERN_INFO "budget-av: cam inserted\n");
budget_av->slot_status = 1;
}
} else if (!open) {
/* We also try and read from IO memory to work round the above detection bug. If
* there is no CAM, we will get a timeout. Only done if there is no cam
* present, since this test actually breaks some cams :(
*
* if the CI interface is not open, we also do the above test since we
* don't care if the cam has problems - we'll be resetting it on open() anyway */
if ((budget_av->slot_status == SLOTSTATUS_NONE) || (!open)) {
saa7146_setgpio(budget_av->budget.dev, 1, SAA7146_GPIO_OUTLO);
if (ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1) == -ETIMEDOUT)
{
printk(KERN_INFO "budget-av: cam ejected\n");
saa7146_setgpio(saa, 2, SAA7146_GPIO_OUTHI); /* disable card */
budget_av->slot_status = 0;
result = ttpci_budget_debiread(&budget_av->budget, DEBICICAM, 0, 1, 0, 1);
if ((result >= 0) && (budget_av->slot_status == SLOTSTATUS_NONE)) {
budget_av->slot_status = SLOTSTATUS_PRESENT;
printk(KERN_INFO "budget-av: cam inserted B\n");
} else if (result < 0) {
if (budget_av->slot_status != SLOTSTATUS_NONE) {
ciintf_slot_shutdown(ca, slot);
printk(KERN_INFO "budget-av: cam ejected 5\n");
return 0;
}
}
}
if (budget_av->slot_status == 1)
return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY;
/* read from attribute memory in reset/ready state to know when the CAM is ready */
if (budget_av->slot_status == SLOTSTATUS_RESET) {
result = ciintf_read_attribute_mem(ca, slot, 0);
if (result == 0x1d) {
budget_av->slot_status = SLOTSTATUS_READY;
}
}
/* work out correct return code */
if (budget_av->slot_status != SLOTSTATUS_NONE) {
if (budget_av->slot_status & SLOTSTATUS_READY) {
return DVB_CA_EN50221_POLL_CAM_PRESENT | DVB_CA_EN50221_POLL_CAM_READY;
}
return DVB_CA_EN50221_POLL_CAM_PRESENT;
}
return 0;
}
@ -333,6 +372,8 @@ static int ciintf_init(struct budget_av *budget_av)
budget_av->ca.slot_ts_enable = ciintf_slot_ts_enable;
budget_av->ca.poll_slot_status = ciintf_poll_slot_status;
budget_av->ca.data = budget_av;
budget_av->budget.ci_present = 1;
budget_av->slot_status = SLOTSTATUS_NONE;
if ((result = dvb_ca_en50221_init(&budget_av->budget.dvb_adapter,
&budget_av->ca, 0, 1)) != 0) {
@ -341,7 +382,6 @@ static int ciintf_init(struct budget_av *budget_av)
}
printk(KERN_INFO "budget-av: ci interface initialised.\n");
budget_av->budget.ci_present = 1;
return 0;
error:
@ -976,7 +1016,7 @@ static int philips_sd1878_ci_set_symbol_rate(struct dvb_frontend *fe,
static struct stv0299_config philips_sd1878_config = {
.demod_address = 0x68,
.inittab = philips_sd1878_inittab,
.inittab = philips_sd1878_inittab,
.mclk = 88000000UL,
.invert = 0,
.skip_reinit = 0,
@ -1018,6 +1058,23 @@ 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_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa1);
} else {
tda10021_write_byte(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;
@ -1083,34 +1140,23 @@ static void frontend_init(struct budget_av *budget_av)
case SUBID_DVBC_KNC1:
case SUBID_DVBC_KNC1_PLUS:
case SUBID_DVBC_CINERGY1200:
budget_av->reinitialise_demod = 1;
fe = tda10021_attach(&philips_cu1216_config,
&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;
case SUBID_DVBT_KNC1:
case SUBID_DVBT_KNC1_PLUS:
fe = tda10046_attach(&philips_tu1216_config,
&budget_av->budget.i2c_adap);
if (fe) {
fe->ops->tuner_ops.init = philips_tu1216_tuner_init;
fe->ops->tuner_ops.set_params = philips_tu1216_tuner_set_params;
}
break;
case SUBID_DVBC_CINERGY1200:
fe = tda10021_attach(&philips_cu1216_config,
&budget_av->budget.i2c_adap,
read_pwm(budget_av));
if (fe) {
fe->ops->tuner_ops.set_params = philips_cu1216_tuner_set_params;
}
break;
case SUBID_DVBT_CINERGY1200:
budget_av->reinitialise_demod = 1;
fe = tda10046_attach(&philips_tu1216_config,
&budget_av->budget.i2c_adap);
if (fe) {