[media] Add CI support to az6007 driver
This patch add CI support to az6007 driver. Signed-off-by: Jose Alberto Reguero <jareguero@telefonica.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jose Alberto Reguero
Mauro Carvalho Chehab
Родитель
266e8ae37d
Коммит
962f8f67e4
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@ -54,6 +54,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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struct az6007_device_state {
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struct mutex mutex;
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struct mutex ca_mutex;
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struct dvb_ca_en50221 ca;
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unsigned warm:1;
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int (*gate_ctrl) (struct dvb_frontend *, int);
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@ -218,6 +219,371 @@ static int az6007_rc_query(struct dvb_usb_device *d)
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return 0;
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}
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static int az6007_ci_read_attribute_mem(struct dvb_ca_en50221 *ca,
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int slot,
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int address)
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{
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struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
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struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
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int ret;
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u8 req;
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u16 value;
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u16 index;
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int blen;
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u8 *b;
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if (slot != 0)
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return -EINVAL;
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b = kmalloc(12, GFP_KERNEL);
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if (!b)
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return -ENOMEM;
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mutex_lock(&state->ca_mutex);
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req = 0xC1;
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value = address;
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index = 0;
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blen = 1;
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ret = az6007_read(d, req, value, index, b, blen);
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if (ret < 0) {
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warn("usb in operation failed. (%d)", ret);
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ret = -EINVAL;
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} else {
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ret = b[0];
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}
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mutex_unlock(&state->ca_mutex);
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kfree(b);
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return ret;
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}
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static int az6007_ci_write_attribute_mem(struct dvb_ca_en50221 *ca,
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int slot,
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int address,
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u8 value)
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{
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struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
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struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
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int ret;
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u8 req;
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u16 value1;
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u16 index;
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int blen;
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deb_info("%s %d", __func__, slot);
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if (slot != 0)
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return -EINVAL;
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mutex_lock(&state->ca_mutex);
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req = 0xC2;
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value1 = address;
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index = value;
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blen = 0;
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ret = az6007_write(d, req, value1, index, NULL, blen);
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if (ret != 0)
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warn("usb out operation failed. (%d)", ret);
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mutex_unlock(&state->ca_mutex);
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return ret;
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}
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static int az6007_ci_read_cam_control(struct dvb_ca_en50221 *ca,
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int slot,
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u8 address)
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{
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struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
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struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
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int ret;
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u8 req;
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u16 value;
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u16 index;
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int blen;
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u8 *b;
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if (slot != 0)
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return -EINVAL;
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b = kmalloc(12, GFP_KERNEL);
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if (!b)
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return -ENOMEM;
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mutex_lock(&state->ca_mutex);
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req = 0xC3;
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value = address;
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index = 0;
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blen = 2;
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ret = az6007_read(d, req, value, index, b, blen);
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if (ret < 0) {
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warn("usb in operation failed. (%d)", ret);
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ret = -EINVAL;
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} else {
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if (b[0] == 0)
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warn("Read CI IO error");
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ret = b[1];
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deb_info("read cam data = %x from 0x%x", b[1], value);
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}
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mutex_unlock(&state->ca_mutex);
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kfree(b);
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return ret;
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}
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static int az6007_ci_write_cam_control(struct dvb_ca_en50221 *ca,
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int slot,
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u8 address,
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u8 value)
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{
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struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
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struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
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int ret;
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u8 req;
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u16 value1;
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u16 index;
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int blen;
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if (slot != 0)
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return -EINVAL;
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mutex_lock(&state->ca_mutex);
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req = 0xC4;
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value1 = address;
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index = value;
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blen = 0;
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ret = az6007_write(d, req, value1, index, NULL, blen);
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if (ret != 0) {
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warn("usb out operation failed. (%d)", ret);
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goto failed;
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}
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failed:
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mutex_unlock(&state->ca_mutex);
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return ret;
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}
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static int CI_CamReady(struct dvb_ca_en50221 *ca, int slot)
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{
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struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
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int ret;
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u8 req;
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u16 value;
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u16 index;
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int blen;
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u8 *b;
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b = kmalloc(12, GFP_KERNEL);
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if (!b)
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return -ENOMEM;
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req = 0xC8;
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value = 0;
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index = 0;
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blen = 1;
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ret = az6007_read(d, req, value, index, b, blen);
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if (ret < 0) {
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warn("usb in operation failed. (%d)", ret);
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ret = -EIO;
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} else{
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ret = b[0];
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}
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kfree(b);
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return ret;
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}
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static int az6007_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot)
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{
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struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
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struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
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int ret, i;
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u8 req;
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u16 value;
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u16 index;
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int blen;
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mutex_lock(&state->ca_mutex);
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req = 0xC6;
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value = 1;
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index = 0;
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blen = 0;
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ret = az6007_write(d, req, value, index, NULL, blen);
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if (ret != 0) {
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warn("usb out operation failed. (%d)", ret);
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goto failed;
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}
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msleep(500);
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req = 0xC6;
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value = 0;
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index = 0;
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blen = 0;
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ret = az6007_write(d, req, value, index, NULL, blen);
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if (ret != 0) {
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warn("usb out operation failed. (%d)", ret);
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goto failed;
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}
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for (i = 0; i < 15; i++) {
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msleep(100);
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if (CI_CamReady(ca, slot)) {
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deb_info("CAM Ready");
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break;
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}
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}
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msleep(5000);
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failed:
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mutex_unlock(&state->ca_mutex);
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return ret;
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}
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static int az6007_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
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{
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return 0;
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}
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static int az6007_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
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{
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struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
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struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
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int ret;
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u8 req;
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u16 value;
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u16 index;
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int blen;
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deb_info("%s", __func__);
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mutex_lock(&state->ca_mutex);
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req = 0xC7;
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value = 1;
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index = 0;
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blen = 0;
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ret = az6007_write(d, req, value, index, NULL, blen);
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if (ret != 0) {
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warn("usb out operation failed. (%d)", ret);
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goto failed;
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}
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failed:
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mutex_unlock(&state->ca_mutex);
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return ret;
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}
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static int az6007_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open)
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{
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struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data;
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struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
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int ret;
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u8 req;
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u16 value;
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u16 index;
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int blen;
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u8 *b;
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b = kmalloc(12, GFP_KERNEL);
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if (!b)
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return -ENOMEM;
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mutex_lock(&state->ca_mutex);
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req = 0xC5;
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value = 0;
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index = 0;
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blen = 1;
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ret = az6007_read(d, req, value, index, b, blen);
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if (ret < 0) {
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warn("usb in operation failed. (%d)", ret);
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ret = -EIO;
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} else
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ret = 0;
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if (!ret && b[0] == 1) {
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ret = DVB_CA_EN50221_POLL_CAM_PRESENT |
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DVB_CA_EN50221_POLL_CAM_READY;
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}
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mutex_unlock(&state->ca_mutex);
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kfree(b);
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return ret;
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}
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static void az6007_ci_uninit(struct dvb_usb_device *d)
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{
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struct az6007_device_state *state;
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deb_info("%s", __func__);
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if (NULL == d)
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return;
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state = (struct az6007_device_state *)d->priv;
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if (NULL == state)
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return;
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if (NULL == state->ca.data)
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return;
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dvb_ca_en50221_release(&state->ca);
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memset(&state->ca, 0, sizeof(state->ca));
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}
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static int az6007_ci_init(struct dvb_usb_adapter *a)
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{
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struct dvb_usb_device *d = a->dev;
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struct az6007_device_state *state = (struct az6007_device_state *)d->priv;
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int ret;
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deb_info("%s", __func__);
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mutex_init(&state->ca_mutex);
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state->ca.owner = THIS_MODULE;
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state->ca.read_attribute_mem = az6007_ci_read_attribute_mem;
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state->ca.write_attribute_mem = az6007_ci_write_attribute_mem;
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state->ca.read_cam_control = az6007_ci_read_cam_control;
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state->ca.write_cam_control = az6007_ci_write_cam_control;
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state->ca.slot_reset = az6007_ci_slot_reset;
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state->ca.slot_shutdown = az6007_ci_slot_shutdown;
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state->ca.slot_ts_enable = az6007_ci_slot_ts_enable;
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state->ca.poll_slot_status = az6007_ci_poll_slot_status;
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state->ca.data = d;
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ret = dvb_ca_en50221_init(&a->dvb_adap,
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&state->ca,
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0, /* flags */
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1);/* n_slots */
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if (ret != 0) {
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err("Cannot initialize CI: Error %d.", ret);
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memset(&state->ca, 0, sizeof(state->ca));
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return ret;
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}
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deb_info("CI initialized.");
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return 0;
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}
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static int az6007_read_mac_addr(struct dvb_usb_device *d, u8 mac[6])
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{
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struct az6007_device_state *st = d->priv;
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@ -249,6 +615,8 @@ static int az6007_frontend_attach(struct dvb_usb_adapter *adap)
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st->gate_ctrl = adap->fe_adap[0].fe->ops.i2c_gate_ctrl;
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adap->fe_adap[0].fe->ops.i2c_gate_ctrl = drxk_gate_ctrl;
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az6007_ci_init(adap);
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return 0;
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}
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@ -471,6 +839,13 @@ int az6007_identify_state(struct usb_device *udev,
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static struct dvb_usb_device_properties az6007_properties;
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static void az6007_usb_disconnect(struct usb_interface *intf)
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{
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struct dvb_usb_device *d = usb_get_intfdata(intf);
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az6007_ci_uninit(d);
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dvb_usb_device_exit(intf);
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}
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static int az6007_usb_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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@ -546,7 +921,7 @@ static struct dvb_usb_device_properties az6007_properties = {
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static struct usb_driver az6007_usb_driver = {
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.name = "dvb_usb_az6007",
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.probe = az6007_usb_probe,
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.disconnect = dvb_usb_device_exit,
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.disconnect = az6007_usb_disconnect,
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.id_table = az6007_usb_table,
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};
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