Discussion:
[PATCH 1/1] dvb-usb-dvbsky: add s960ci dvb-s/s2 usb ci box support
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Nibble Max
2014-10-20 10:05:47 UTC
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DVBSky s960ci dvb-s/s2 usb ci box:
1>dvb frontend: M88TS2022(tuner),M88DS3103(demod)
2>usb controller: CY7C86013A
3>ci controller: CIMAX SP2 or its clone.

Signed-off-by: Nibble Max <***@gmail.com>
---
drivers/media/usb/dvb-usb-v2/Kconfig | 1 +
drivers/media/usb/dvb-usb-v2/dvbsky.c | 188 ++++++++++++++++++++++++++++++++++
2 files changed, 189 insertions(+)

diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig b/drivers/media/usb/dvb-usb-v2/Kconfig
index 5b34323..7423033 100644
--- a/drivers/media/usb/dvb-usb-v2/Kconfig
+++ b/drivers/media/usb/dvb-usb-v2/Kconfig
@@ -146,5 +146,6 @@ config DVB_USB_DVBSKY
depends on DVB_USB_V2
select DVB_M88DS3103 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_M88TS2022 if MEDIA_SUBDRV_AUTOSELECT
+ select DVB_SP2 if MEDIA_SUBDRV_AUTOSELECT
help
Say Y here to support the USB receivers from DVBSky.
diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c
index 34688c8..e3439f6 100644
--- a/drivers/media/usb/dvb-usb-v2/dvbsky.c
+++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c
@@ -21,6 +21,7 @@
#include "dvb_usb.h"
#include "m88ds3103.h"
#include "m88ts2022.h"
+#include "sp2.h"

#define DVBSKY_MSG_DELAY 0/*2000*/
#define DVBSKY_BUF_LEN 64
@@ -33,6 +34,7 @@ struct dvbsky_state {
u8 obuf[DVBSKY_BUF_LEN];
u8 last_lock;
struct i2c_client *i2c_client_tuner;
+ struct i2c_client *i2c_client_ci;

/* fe hook functions*/
int (*fe_set_voltage)(struct dvb_frontend *fe,
@@ -362,6 +364,157 @@ fail_attach:
return ret;
}

+static int dvbsky_usb_ci_set_voltage(struct dvb_frontend *fe,
+ fe_sec_voltage_t voltage)
+{
+ struct dvb_usb_device *d = fe_to_d(fe);
+ struct dvbsky_state *state = d_to_priv(d);
+ u8 value;
+
+ if (voltage == SEC_VOLTAGE_OFF)
+ value = 0;
+ else
+ value = 1;
+ dvbsky_gpio_ctrl(d, 0x00, value);
+
+ return state->fe_set_voltage(fe, voltage);
+}
+
+static int dvbsky_ci_ctrl(void *priv, u8 read, int addr,
+ u8 data, int *mem)
+{
+ struct dvb_usb_device *d = priv;
+ int ret = 0;
+ u8 command[4], respond[2], command_size, respond_size;
+
+ command[1] = (u8)((addr >> 8) & 0xff); /*high part of address*/
+ command[2] = (u8)(addr & 0xff); /*low part of address*/
+ if (read) {
+ command[0] = 0x71;
+ command_size = 3;
+ respond_size = 2;
+ } else {
+ command[0] = 0x70;
+ command[3] = data;
+ command_size = 4;
+ respond_size = 1;
+ }
+ ret = dvbsky_usb_generic_rw(d, command, command_size,
+ respond, respond_size);
+ if (ret)
+ goto err;
+ if (read)
+ *mem = respond[1];
+ return ret;
+err:
+ dev_err(&d->udev->dev, "ci control failed=%d\n", ret);
+ return ret;
+}
+
+static const struct m88ds3103_config dvbsky_s960c_m88ds3103_config = {
+ .i2c_addr = 0x68,
+ .clock = 27000000,
+ .i2c_wr_max = 33,
+ .clock_out = 0,
+ .ts_mode = M88DS3103_TS_CI,
+ .ts_clk = 10000,
+ .ts_clk_pol = 1,
+ .agc = 0x99,
+ .lnb_hv_pol = 0,
+ .lnb_en_pol = 1,
+};
+
+static int dvbsky_s960c_attach(struct dvb_usb_adapter *adap)
+{
+ struct dvbsky_state *state = adap_to_priv(adap);
+ struct dvb_usb_device *d = adap_to_d(adap);
+ int ret = 0;
+ /* demod I2C adapter */
+ struct i2c_adapter *i2c_adapter;
+ struct i2c_client *client_tuner, *client_ci;
+ struct i2c_board_info info;
+ struct sp2_config sp2_config;
+ struct m88ts2022_config m88ts2022_config = {
+ .clock = 27000000,
+ };
+ memset(&info, 0, sizeof(struct i2c_board_info));
+
+ /* attach demod */
+ adap->fe[0] = dvb_attach(m88ds3103_attach,
+ &dvbsky_s960c_m88ds3103_config,
+ &d->i2c_adap,
+ &i2c_adapter);
+ if (!adap->fe[0]) {
+ dev_err(&d->udev->dev, "dvbsky_s960ci_attach fail.\n");
+ ret = -ENODEV;
+ goto fail_attach;
+ }
+
+ /* attach tuner */
+ m88ts2022_config.fe = adap->fe[0];
+ strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE);
+ info.addr = 0x60;
+ info.platform_data = &m88ts2022_config;
+ request_module("m88ts2022");
+ client_tuner = i2c_new_device(i2c_adapter, &info);
+ if (client_tuner == NULL || client_tuner->dev.driver == NULL) {
+ ret = -ENODEV;
+ goto fail_tuner_device;
+ }
+
+ if (!try_module_get(client_tuner->dev.driver->owner)) {
+ ret = -ENODEV;
+ goto fail_tuner_module;
+ }
+
+ /* attach ci controller */
+ memset(&sp2_config, 0, sizeof(sp2_config));
+ sp2_config.dvb_adap = &adap->dvb_adap;
+ sp2_config.priv = d;
+ sp2_config.ci_control = dvbsky_ci_ctrl;
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "sp2", I2C_NAME_SIZE);
+ info.addr = 0x40;
+ info.platform_data = &sp2_config;
+ request_module("sp2");
+ client_ci = i2c_new_device(i2c_adapter, &info);
+ if (client_ci == NULL || client_ci->dev.driver == NULL) {
+ ret = -ENODEV;
+ goto fail_ci_device;
+ }
+
+ if (!try_module_get(client_ci->dev.driver->owner)) {
+ ret = -ENODEV;
+ goto fail_ci_module;
+ }
+
+ /* delegate signal strength measurement to tuner */
+ adap->fe[0]->ops.read_signal_strength =
+ adap->fe[0]->ops.tuner_ops.get_rf_strength;
+
+ /* hook fe: need to resync the slave fifo when signal locks. */
+ state->fe_read_status = adap->fe[0]->ops.read_status;
+ adap->fe[0]->ops.read_status = dvbsky_usb_read_status;
+
+ /* hook fe: LNB off/on is control by Cypress usb chip. */
+ state->fe_set_voltage = adap->fe[0]->ops.set_voltage;
+ adap->fe[0]->ops.set_voltage = dvbsky_usb_ci_set_voltage;
+
+ state->i2c_client_tuner = client_tuner;
+ state->i2c_client_ci = client_ci;
+ return ret;
+fail_ci_module:
+ i2c_unregister_device(client_ci);
+fail_ci_device:
+ module_put(client_tuner->dev.driver->owner);
+fail_tuner_module:
+ i2c_unregister_device(client_tuner);
+fail_tuner_device:
+ dvb_frontend_detach(adap->fe[0]);
+fail_attach:
+ return ret;
+}
+
static int dvbsky_identify_state(struct dvb_usb_device *d, const char **name)
{
dvbsky_gpio_ctrl(d, 0x04, 1);
@@ -404,6 +557,12 @@ static void dvbsky_exit(struct dvb_usb_device *d)
module_put(client->dev.driver->owner);
i2c_unregister_device(client);
}
+ client = state->i2c_client_ci;
+ /* remove I2C ci */
+ if (client) {
+ module_put(client->dev.driver->owner);
+ i2c_unregister_device(client);
+ }
}

/* DVB USB Driver stuff */
@@ -434,9 +593,38 @@ static struct dvb_usb_device_properties dvbsky_s960_props = {
}
};

+static struct dvb_usb_device_properties dvbsky_s960c_props = {
+ .driver_name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .adapter_nr = adapter_nr,
+ .size_of_priv = sizeof(struct dvbsky_state),
+
+ .generic_bulk_ctrl_endpoint = 0x01,
+ .generic_bulk_ctrl_endpoint_response = 0x81,
+ .generic_bulk_ctrl_delay = DVBSKY_MSG_DELAY,
+
+ .i2c_algo = &dvbsky_i2c_algo,
+ .frontend_attach = dvbsky_s960c_attach,
+ .init = dvbsky_init,
+ .get_rc_config = dvbsky_get_rc_config,
+ .streaming_ctrl = dvbsky_streaming_ctrl,
+ .identify_state = dvbsky_identify_state,
+ .exit = dvbsky_exit,
+ .read_mac_address = dvbsky_read_mac_addr,
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .stream = DVB_USB_STREAM_BULK(0x82, 8, 4096),
+ }
+ }
+};
+
static const struct usb_device_id dvbsky_id_table[] = {
{ DVB_USB_DEVICE(0x0572, 0x6831,
&dvbsky_s960_props, "DVBSky S960/S860", RC_MAP_DVBSKY) },
+ { DVB_USB_DEVICE(0x0572, 0x960c,
+ &dvbsky_s960c_props, "DVBSky S960CI", RC_MAP_DVBSKY) },
{ }
};
MODULE_DEVICE_TABLE(usb, dvbsky_id_table);
--
1.9.1
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