diff options
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/ttusb2.c | 284 |
1 files changed, 283 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-usb/ttusb2.c b/drivers/media/dvb/dvb-usb/ttusb2.c index 7b07cf655387..ea4eab8b3965 100644 --- a/drivers/media/dvb/dvb-usb/ttusb2.c +++ b/drivers/media/dvb/dvb-usb/ttusb2.c @@ -33,16 +33,40 @@ #include "tda10048.h" #include "tda827x.h" #include "lnbp21.h" +/* CA */ +#include "dvb_ca_en50221.h" /* debug */ static int dvb_usb_ttusb2_debug; #define deb_info(args...) dprintk(dvb_usb_ttusb2_debug,0x01,args) module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS); +static int dvb_usb_ttusb2_debug_ci; +module_param_named(debug_ci,dvb_usb_ttusb2_debug_ci, int, 0644); +MODULE_PARM_DESC(debug_ci, "set debugging ci." DVB_USB_DEBUG_STATUS); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +#define ci_dbg(format, arg...) \ +do { \ + if (dvb_usb_ttusb2_debug_ci) \ + printk(KERN_DEBUG DVB_USB_LOG_PREFIX \ + ": %s " format "\n" , __func__, ## arg); \ +} while (0) + +enum { + TT3650_CMD_CI_TEST = 0x40, + TT3650_CMD_CI_RD_CTRL, + TT3650_CMD_CI_WR_CTRL, + TT3650_CMD_CI_RD_ATTR, + TT3650_CMD_CI_WR_ATTR, + TT3650_CMD_CI_RESET, + TT3650_CMD_CI_SET_VIDEO_PORT +}; + struct ttusb2_state { + struct dvb_ca_en50221 ca; + struct mutex ca_mutex; u8 id; u16 last_rc_key; }; @@ -79,6 +103,255 @@ static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd, return 0; } +/* ci */ +static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len) +{ + int ret; + u8 rx[60];/* (64 -4) */ + ret = ttusb2_msg(d, cmd, data, write_len, rx, read_len); + if (!ret) + memcpy(data, rx, read_len); + return ret; +} + +static int tt3650_ci_msg_locked(struct dvb_ca_en50221 *ca, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len) +{ + struct dvb_usb_device *d = ca->data; + struct ttusb2_state *state = d->priv; + int ret; + + mutex_lock(&state->ca_mutex); + ret = tt3650_ci_msg(d, cmd, data, write_len, read_len); + mutex_unlock(&state->ca_mutex); + + return ret; +} + +static int tt3650_ci_read_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address) +{ + u8 buf[3]; + int ret = 0; + + if (slot) + return -EINVAL; + + buf[0] = (address >> 8) & 0x0F; + buf[1] = address; + + + ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_ATTR, buf, 2, 3); + + ci_dbg("%04x -> %d 0x%02x", address, ret, buf[2]); + + if (ret < 0) + return ret; + + return buf[2]; +} + +static int tt3650_ci_write_attribute_mem(struct dvb_ca_en50221 *ca, int slot, int address, u8 value) +{ + u8 buf[3]; + + ci_dbg("%d 0x%04x 0x%02x", slot, address, value); + + if (slot) + return -EINVAL; + + buf[0] = (address >> 8) & 0x0F; + buf[1] = address; + buf[2] = value; + + return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_ATTR, buf, 3, 3); +} + +static int tt3650_ci_read_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address) +{ + u8 buf[2]; + int ret; + + if (slot) + return -EINVAL; + + buf[0] = address & 3; + + ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_CTRL, buf, 1, 2); + + ci_dbg("0x%02x -> %d 0x%02x", address, ret, buf[1]); + + if (ret < 0) + return ret; + + return buf[1]; +} + +static int tt3650_ci_write_cam_control(struct dvb_ca_en50221 *ca, int slot, u8 address, u8 value) +{ + u8 buf[2]; + + ci_dbg("%d 0x%02x 0x%02x", slot, address, value); + + if (slot) + return -EINVAL; + + buf[0] = address; + buf[1] = value; + + return tt3650_ci_msg_locked(ca, TT3650_CMD_CI_WR_CTRL, buf, 2, 2); +} + +static int tt3650_ci_set_video_port(struct dvb_ca_en50221 *ca, int slot, int enable) +{ + u8 buf[1]; + int ret; + + ci_dbg("%d %d", slot, enable); + + if (slot) + return -EINVAL; + + buf[0] = enable; + + ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1); + if (ret < 0) + return ret; + + if (enable != buf[0]) { + err("CI not %sabled.", enable ? "en" : "dis"); + return -EIO; + } + + return 0; +} + +static int tt3650_ci_slot_shutdown(struct dvb_ca_en50221 *ca, int slot) +{ + return tt3650_ci_set_video_port(ca, slot, 0); +} + +static int tt3650_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot) +{ + return tt3650_ci_set_video_port(ca, slot, 1); +} + +static int tt3650_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot) +{ + struct dvb_usb_device *d = ca->data; + struct ttusb2_state *state = d->priv; + u8 buf[1]; + int ret; + + ci_dbg("%d", slot); + + if (slot) + return -EINVAL; + + buf[0] = 0; + + mutex_lock(&state->ca_mutex); + + ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1); + if (ret) + goto failed; + + msleep(500); + + buf[0] = 1; + + ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1); + if (ret) + goto failed; + + msleep(500); + + buf[0] = 0; /* FTA */ + + ret = tt3650_ci_msg(d, TT3650_CMD_CI_SET_VIDEO_PORT, buf, 1, 1); + + msleep(1100); + + failed: + mutex_unlock(&state->ca_mutex); + + return ret; +} + +static int tt3650_ci_poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open) +{ + u8 buf[1]; + int ret; + + if (slot) + return -EINVAL; + + ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_TEST, buf, 0, 1); + if (ret) + return ret; + + if (1 == buf[0]) { + return DVB_CA_EN50221_POLL_CAM_PRESENT | + DVB_CA_EN50221_POLL_CAM_READY; + } + return 0; +} + +static void tt3650_ci_uninit(struct dvb_usb_device *d) +{ + struct ttusb2_state *state; + + ci_dbg(""); + + if (NULL == d) + return; + + 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 tt3650_ci_init(struct dvb_usb_adapter *a) +{ + struct dvb_usb_device *d = a->dev; + struct ttusb2_state *state = d->priv; + int ret; + + ci_dbg(""); + + mutex_init(&state->ca_mutex); + + state->ca.owner = THIS_MODULE; + state->ca.read_attribute_mem = tt3650_ci_read_attribute_mem; + state->ca.write_attribute_mem = tt3650_ci_write_attribute_mem; + state->ca.read_cam_control = tt3650_ci_read_cam_control; + state->ca.write_cam_control = tt3650_ci_write_cam_control; + state->ca.slot_reset = tt3650_ci_slot_reset; + state->ca.slot_shutdown = tt3650_ci_slot_shutdown; + state->ca.slot_ts_enable = tt3650_ci_slot_ts_enable; + state->ca.poll_slot_status = tt3650_ci_poll_slot_status; + state->ca.data = d; + + ret = dvb_ca_en50221_init(&a->dvb_adap, + &state->ca, + /* flags */ 0, + /* n_slots */ 1); + if (ret) { + err("Cannot initialize CI: Error %d.", ret); + memset(&state->ca, 0, sizeof(state->ca)); + return ret; + } + + info("CI initialized."); + + return 0; +} + static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); @@ -251,6 +524,7 @@ static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap) deb_info("TDA10023 attach failed\n"); return -ENODEV; } + tt3650_ci_init(adap); } else { adap->fe_adap[1].fe = dvb_attach(tda10048_attach, &tda10048_config, &adap->dev->i2c_adap); @@ -305,6 +579,14 @@ static struct dvb_usb_device_properties ttusb2_properties; static struct dvb_usb_device_properties ttusb2_properties_s2400; static struct dvb_usb_device_properties ttusb2_properties_ct3650; +static void ttusb2_usb_disconnect(struct usb_interface *intf) +{ + struct dvb_usb_device *d = usb_get_intfdata(intf); + + tt3650_ci_uninit(d); + dvb_usb_device_exit(intf); +} + static int ttusb2_probe(struct usb_interface *intf, const struct usb_device_id *id) { @@ -513,7 +795,7 @@ static struct dvb_usb_device_properties ttusb2_properties_ct3650 = { static struct usb_driver ttusb2_driver = { .name = "dvb_usb_ttusb2", .probe = ttusb2_probe, - .disconnect = dvb_usb_device_exit, + .disconnect = ttusb2_usb_disconnect, .id_table = ttusb2_table, }; |