From patchwork Wed Aug 31 23:47:32 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jose Alberto Reguero X-Patchwork-Id: 1118112 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7VNlmdR023717 for ; Wed, 31 Aug 2011 23:47:48 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755249Ab1HaXrq (ORCPT ); Wed, 31 Aug 2011 19:47:46 -0400 Received: from impaqm2.telefonica.net ([213.4.138.18]:22225 "EHLO telefonica.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752249Ab1HaXrp (ORCPT ); Wed, 31 Aug 2011 19:47:45 -0400 Received: from IMPmailhost5.adm.correo ([10.20.102.126]) by IMPaqm2.telefonica.net with bizsmtp id TBcE1h01k2jdgqJ3MBnhsK; Thu, 01 Sep 2011 01:47:41 +0200 Received: from jar7.dominio ([77.209.12.126]) by IMPmailhost5.adm.correo with BIZ IMP id TBnf1h0052jAbtp1lBngUc; Thu, 01 Sep 2011 01:47:41 +0200 X-Brightmail-Tracker: AAAAAA== X-original-sender: jareguero@telefonica.net From: Jose Alberto Reguero To: linux-media@vger.kernel.org Subject: [PATCH] TT CT-3650 CI support Date: Thu, 1 Sep 2011 01:47:32 +0200 User-Agent: KMail/1.13.7 (Linux/2.6.38.8-32.fc15.x86_64; KDE/4.6.5; x86_64; ; ) MIME-Version: 1.0 Message-Id: <201109010147.33030.jareguero@telefonica.net> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Wed, 31 Aug 2011 23:47:49 +0000 (UTC) From: http://www.spinics.net/lists/linux-media/msg20440.html This patch add support for the CI of the TT CT-3650. Jose Alberto Signed-off-by: Jose Alberto Reguero diff -ur linux/drivers/media/dvb/dvb-usb/ttusb2.c linux.new/drivers/media/dvb/dvb-usb/ttusb2.c --- linux/drivers/media/dvb/dvb-usb/ttusb2.c 2011-08-28 05:45:24.000000000 +0200 +++ linux.new/drivers/media/dvb/dvb-usb/ttusb2.c 2011-09-01 01:13:45.348101193 +0200 @@ -33,6 +33,8 @@ #include "tda10048.h" #include "tda827x.h" #include "lnbp21.h" +/* CA */ +#include "dvb_ca_en50221.h" /* debug */ static int dvb_usb_ttusb2_debug; @@ -42,7 +44,26 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +#define ci_dbg(format, arg...) \ +do { \ + if (0) \ + printk(KERN_DEBUG DVB_USB_LOG_PREFIX \ + ": " format "\n" , ## 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 +100,261 @@ 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 == 0) + 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 = (struct dvb_usb_device *)ca->data; + struct ttusb2_state *state = (struct ttusb2_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 (0 != 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("%s %04x -> %d 0x%02x", + __func__, 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("%s %d 0x%04x 0x%02x", + __func__, slot, address, value); + + if (0 != 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 (0 != slot) + return -EINVAL; + + buf[0] = address & 3; + + ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_RD_CTRL, buf, 1, 2); + + ci_dbg("%s 0x%02x -> %d 0x%02x", + __func__, 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("%s %d 0x%02x 0x%02x", + __func__, slot, address, value); + + if (0 != 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("%s %d %d", __func__, slot, enable); + + if (0 != slot) + return -EINVAL; + + enable = !!enable; + 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, /* enable */ 0); +} + +static int tt3650_ci_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot) +{ + return tt3650_ci_set_video_port(ca, slot, /* enable */ 1); +} + +static int tt3650_ci_slot_reset(struct dvb_ca_en50221 *ca, int slot) +{ + struct dvb_usb_device *d = (struct dvb_usb_device *)ca->data; + struct ttusb2_state *state = (struct ttusb2_state *)d->priv; + u8 buf[1]; + int ret; + + ci_dbg("%s %d", __func__, slot); + + if (0 != slot) + return -EINVAL; + + buf[0] = 0; + + mutex_lock(&state->ca_mutex); + + ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1); + if (0 != ret) + goto failed; + + msleep(500); + + buf[0] = 1; + + ret = tt3650_ci_msg(d, TT3650_CMD_CI_RESET, buf, 1, 1); + if (0 != 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 (0 != slot) + return -EINVAL; + + ret = tt3650_ci_msg_locked(ca, TT3650_CMD_CI_TEST, buf, 0, 1); + if (0 != ret) + return ret; + + if (1 == buf[0]) { + return DVB_CA_EN50221_POLL_CAM_PRESENT | + DVB_CA_EN50221_POLL_CAM_READY; + } else { + return 0; + } +} + +static void tt3650_ci_uninit(struct dvb_usb_device *d) +{ + struct ttusb2_state *state; + + ci_dbg("%s", __func__); + + if (NULL == d) + return; + + state = (struct ttusb2_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 = (struct ttusb2_state *)d->priv; + int ret; + + ci_dbg("%s", __func__); + + 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 (0 != 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 +527,7 @@ deb_info("TDA10023 attach failed\n"); return -ENODEV; } + tt3650_ci_init(adap); } else { adap->fe[1] = dvb_attach(tda10048_attach, &tda10048_config, &adap->dev->i2c_adap); @@ -305,6 +582,14 @@ 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) { @@ -486,7 +771,7 @@ 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, };