Commit 962f8f67 authored by Jose Alberto Reguero's avatar Jose Alberto Reguero Committed by Mauro Carvalho Chehab

[media] Add CI support to az6007 driver

This patch add CI support to az6007 driver.
Signed-off-by: default avatarJose Alberto Reguero <jareguero@telefonica.net>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 266e8ae3
......@@ -54,6 +54,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
struct az6007_device_state {
struct mutex mutex;
struct mutex ca_mutex;
struct dvb_ca_en50221 ca;
unsigned warm:1;
int (*gate_ctrl) (struct dvb_frontend *, int);
......@@ -218,6 +219,371 @@ static int az6007_rc_query(struct dvb_usb_device *d)
return 0;
}
static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
int slot,
int address)
{
struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
int ret;
u8 req;
u16 value;
u16 index;
int blen;
u8 *b;
if (slot != 0)
return -EINVAL;
b = kmalloc(12, GFP_KERNEL);
if (!b)
return -ENOMEM;
mutex_lock(&state->ca_mutex);
req = 0xC1;
value = address;
index = 0;
blen = 1;
ret = az6007_read(d, req, value, index, b, blen);
if (ret < 0) {
warn("usb in operation failed. (%d)", ret);
ret = -EINVAL;
} else {
ret = b[0];
}
mutex_unlock(&state->ca_mutex);
kfree(b);
return ret;
}
static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
int slot,
int address,
u8 value)
{
struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
int ret;
u8 req;
u16 value1;
u16 index;
int blen;
deb_info("%s %d", __func__, slot);
if (slot != 0)
return -EINVAL;
mutex_lock(&state->ca_mutex);
req = 0xC2;
value1 = address;
index = value;
blen = 0;
ret = az6007_write(d, req, value1, index, NULL, blen);
if (ret != 0)
warn("usb out operation failed. (%d)", ret);
mutex_unlock(&state->ca_mutex);
return ret;
}
static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
int slot,
u8 address)
{
struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
int ret;
u8 req;
u16 value;
u16 index;
int blen;
u8 *b;
if (slot != 0)
return -EINVAL;
b = kmalloc(12, GFP_KERNEL);
if (!b)
return -ENOMEM;
mutex_lock(&state->ca_mutex);
req = 0xC3;
value = address;
index = 0;
blen = 2;
ret = az6007_read(d, req, value, index, b, blen);
if (ret < 0) {
warn("usb in operation failed. (%d)", ret);
ret = -EINVAL;
} else {
if (b[0] == 0)
warn("Read CI IO error");
ret = b[1];
deb_info("read cam data = %x from 0x%x", b[1], value);
}
mutex_unlock(&state->ca_mutex);
kfree(b);
return ret;
}
static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
int slot,
u8 address,
u8 value)
{
struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
int ret;
u8 req;
u16 value1;
u16 index;
int blen;
if (slot != 0)
return -EINVAL;
mutex_lock(&state->ca_mutex);
req = 0xC4;
value1 = address;
index = value;
blen = 0;
ret = az6007_write(d, req, value1, index, NULL, blen);
if (ret != 0) {
warn("usb out operation failed. (%d)", ret);
goto failed;
}
failed:
mutex_unlock(&state->ca_mutex);
return ret;
}
static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
{
struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
int ret;
u8 req;
u16 value;
u16 index;
int blen;
u8 *b;
b = kmalloc(12, GFP_KERNEL);
if (!b)
return -ENOMEM;
req = 0xC8;
value = 0;
index = 0;
blen = 1;
ret = az6007_read(d, req, value, index, b, blen);
if (ret < 0) {
warn("usb in operation failed. (%d)", ret);
ret = -EIO;
} else{
ret = b[0];
}
kfree(b);
return ret;
}
static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
{
struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
int ret, i;
u8 req;
u16 value;
u16 index;
int blen;
mutex_lock(&state->ca_mutex);
req = 0xC6;
value = 1;
index = 0;
blen = 0;
ret = az6007_write(d, req, value, index, NULL, blen);
if (ret != 0) {
warn("usb out operation failed. (%d)", ret);
goto failed;
}
msleep(500);
req = 0xC6;
value = 0;
index = 0;
blen = 0;
ret = az6007_write(d, req, value, index, NULL, blen);
if (ret != 0) {
warn("usb out operation failed. (%d)", ret);
goto failed;
}
for (i = 0; i < 15; i++) {
msleep(100);
if (CI_CamReady(ca, slot)) {
deb_info("CAM Ready");
break;
}
}
msleep(5000);
failed:
mutex_unlock(&state->ca_mutex);
return ret;
}
static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
{
return 0;
}
static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
{
struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
int ret;
u8 req;
u16 value;
u16 index;
int blen;
deb_info("%s", __func__);
mutex_lock(&state->ca_mutex);
req = 0xC7;
value = 1;
index = 0;
blen = 0;
ret = az6007_write(d, req, value, index, NULL, blen);
if (ret != 0) {
warn("usb out operation failed. (%d)", ret);
goto failed;
}
failed:
mutex_unlock(&state->ca_mutex);
return ret;
}
static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
{
struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
int ret;
u8 req;
u16 value;
u16 index;
int blen;
u8 *b;
b = kmalloc(12, GFP_KERNEL);
if (!b)
return -ENOMEM;
mutex_lock(&state->ca_mutex);
req = 0xC5;
value = 0;
index = 0;
blen = 1;
ret = az6007_read(d, req, value, index, b, blen);
if (ret < 0) {
warn("usb in operation failed. (%d)", ret);
ret = -EIO;
} else
ret = 0;
if (!ret && b[0] == 1) {
ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
DVB_CA_EN50221_POLL_CAM_READY;
}
mutex_unlock(&state->ca_mutex);
kfree(b);
return ret;
}
static void az6007_ci_uninit(struct dvb_usb_device *d)
{
struct az6007_device_state *state;
deb_info("%s", __func__);
if (NULL == d)
return;
state = (struct az6007_device_state *)d->priv;
if (NULL == state)
return;
if (NULL == state->ca.data)
return;
dvb_ca_en50221_release(&state->ca);
memset(&state->ca, 0, sizeof(state->ca));
}
static int az6007_ci_init(struct dvb_usb_adapter *a)
{
struct dvb_usb_device *d = a->dev;
struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
int ret;
deb_info("%s", __func__);
mutex_init(&state->ca_mutex);
state->ca.owner = THIS_MODULE;
state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
state->ca.read_cam_control = az6007_ci_read_cam_control;
state->ca.write_cam_control = az6007_ci_write_cam_control;
state->ca.slot_reset = az6007_ci_slot_reset;
state->ca.slot_shutdown = az6007_ci_slot_shutdown;
state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
state->ca.poll_slot_status = az6007_ci_poll_slot_status;
state->ca.data = d;
ret = dvb_ca_en50221_init(&a->dvb_adap,
&state->ca,
0, /* flags */
1);/* n_slots */
if (ret != 0) {
err("Cannot initialize CI: Error %d.", ret);
memset(&state->ca, 0, sizeof(state->ca));
return ret;
}
deb_info("CI initialized.");
return 0;
}
static int az6007_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
{
struct az6007_device_state *st = d->priv;
......@@ -249,6 +615,8 @@ static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
st->gate_ctrl = adap->fe_adap[0].fe->ops.i2c_gate_ctrl;
adap->fe_adap[0].fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
az6007_ci_init(adap);
return 0;
}
......@@ -471,6 +839,13 @@ int az6007_identify_state(struct usb_device *udev,
static struct dvb_usb_device_properties az6007_properties;
static void az6007_usb_disconnect(struct usb_interface *intf)
{
struct dvb_usb_device *d = usb_get_intfdata(intf);
az6007_ci_uninit(d);
dvb_usb_device_exit(intf);
}
static int az6007_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
......@@ -546,7 +921,7 @@ static struct dvb_usb_device_properties az6007_properties = {
static struct usb_driver az6007_usb_driver = {
.name = "dvb_usb_az6007",
.probe = az6007_usb_probe,
.disconnect = dvb_usb_device_exit,
.disconnect = az6007_usb_disconnect,
.id_table = az6007_usb_table,
};
......
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