diff options
Diffstat (limited to 'drivers/media/dvb/firewire/avc.c')
| -rw-r--r-- | drivers/media/dvb/firewire/avc.c | 1051 |
1 files changed, 1051 insertions, 0 deletions
diff --git a/drivers/media/dvb/firewire/avc.c b/drivers/media/dvb/firewire/avc.c new file mode 100644 index 000000000000..847a537b1f58 --- /dev/null +++ b/drivers/media/dvb/firewire/avc.c @@ -0,0 +1,1051 @@ +/* + * FireDTV driver (formerly known as FireSAT) + * + * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> + * Copyright (C) 2008 Ben Backx <ben@bbackx.com> + * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + */ + +#include <linux/bug.h> +#include <linux/crc32.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/moduleparam.h> +#include <linux/mutex.h> +#include <linux/string.h> +#include <linux/wait.h> +#include <linux/workqueue.h> + +#include <ieee1394_transactions.h> +#include <nodemgr.h> + +#include "avc.h" +#include "firedtv.h" +#include "firedtv-rc.h" + +#define FCP_COMMAND_REGISTER 0xfffff0000b00ULL + +static int __avc_write(struct firedtv *fdtv, + const AVCCmdFrm *CmdFrm, AVCRspFrm *RspFrm) +{ + int err, retry; + + if (RspFrm) + fdtv->avc_reply_received = false; + + for (retry = 0; retry < 6; retry++) { + err = hpsb_node_write(fdtv->ud->ne, FCP_COMMAND_REGISTER, + (quadlet_t *)CmdFrm, CmdFrm->length); + if (err) { + fdtv->avc_reply_received = true; + dev_err(&fdtv->ud->device, + "FCP command write failed\n"); + return err; + } + + if (!RspFrm) + return 0; + + /* + * AV/C specs say that answers should be sent within 150 ms. + * Time out after 200 ms. + */ + if (wait_event_timeout(fdtv->avc_wait, + fdtv->avc_reply_received, + HZ / 5) != 0) { + memcpy(RspFrm, fdtv->respfrm, fdtv->resp_length); + RspFrm->length = fdtv->resp_length; + + return 0; + } + } + dev_err(&fdtv->ud->device, "FCP response timed out\n"); + return -ETIMEDOUT; +} + +static int avc_write(struct firedtv *fdtv, + const AVCCmdFrm *CmdFrm, AVCRspFrm *RspFrm) +{ + int ret; + + if (mutex_lock_interruptible(&fdtv->avc_mutex)) + return -EINTR; + + ret = __avc_write(fdtv, CmdFrm, RspFrm); + + mutex_unlock(&fdtv->avc_mutex); + return ret; +} + +int avc_recv(struct firedtv *fdtv, u8 *data, size_t length) +{ + AVCRspFrm *RspFrm = (AVCRspFrm *)data; + + if (length >= 8 && + RspFrm->operand[0] == SFE_VENDOR_DE_COMPANYID_0 && + RspFrm->operand[1] == SFE_VENDOR_DE_COMPANYID_1 && + RspFrm->operand[2] == SFE_VENDOR_DE_COMPANYID_2 && + RspFrm->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL) { + if (RspFrm->resp == CHANGED) { + fdtv_handle_rc(fdtv, + RspFrm->operand[4] << 8 | RspFrm->operand[5]); + schedule_work(&fdtv->remote_ctrl_work); + } else if (RspFrm->resp != INTERIM) { + dev_info(&fdtv->ud->device, + "remote control result = %d\n", RspFrm->resp); + } + return 0; + } + + if (fdtv->avc_reply_received) { + dev_err(&fdtv->ud->device, + "received out-of-order AVC response, ignored\n"); + return -EIO; + } + + memcpy(fdtv->respfrm, data, length); + fdtv->resp_length = length; + + fdtv->avc_reply_received = true; + wake_up(&fdtv->avc_wait); + + return 0; +} + +/* + * tuning command for setting the relative LNB frequency + * (not supported by the AVC standard) + */ +static void avc_tuner_tuneqpsk(struct firedtv *fdtv, + struct dvb_frontend_parameters *params, AVCCmdFrm *CmdFrm) +{ + CmdFrm->opcode = VENDOR; + + CmdFrm->operand[0] = SFE_VENDOR_DE_COMPANYID_0; + CmdFrm->operand[1] = SFE_VENDOR_DE_COMPANYID_1; + CmdFrm->operand[2] = SFE_VENDOR_DE_COMPANYID_2; + CmdFrm->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK; + + CmdFrm->operand[4] = (params->frequency >> 24) & 0xff; + CmdFrm->operand[5] = (params->frequency >> 16) & 0xff; + CmdFrm->operand[6] = (params->frequency >> 8) & 0xff; + CmdFrm->operand[7] = params->frequency & 0xff; + + CmdFrm->operand[8] = ((params->u.qpsk.symbol_rate / 1000) >> 8) & 0xff; + CmdFrm->operand[9] = (params->u.qpsk.symbol_rate / 1000) & 0xff; + + switch(params->u.qpsk.fec_inner) { + case FEC_1_2: + CmdFrm->operand[10] = 0x1; break; + case FEC_2_3: + CmdFrm->operand[10] = 0x2; break; + case FEC_3_4: + CmdFrm->operand[10] = 0x3; break; + case FEC_5_6: + CmdFrm->operand[10] = 0x4; break; + case FEC_7_8: + CmdFrm->operand[10] = 0x5; break; + case FEC_4_5: + case FEC_8_9: + case FEC_AUTO: + default: + CmdFrm->operand[10] = 0x0; + } + + if (fdtv->voltage == 0xff) + CmdFrm->operand[11] = 0xff; + else if (fdtv->voltage == SEC_VOLTAGE_18) /* polarisation */ + CmdFrm->operand[11] = 0; + else + CmdFrm->operand[11] = 1; + + if (fdtv->tone == 0xff) + CmdFrm->operand[12] = 0xff; + else if (fdtv->tone == SEC_TONE_ON) /* band */ + CmdFrm->operand[12] = 1; + else + CmdFrm->operand[12] = 0; + + if (fdtv->type == FIREDTV_DVB_S2) { + CmdFrm->operand[13] = 0x1; + CmdFrm->operand[14] = 0xff; + CmdFrm->operand[15] = 0xff; + CmdFrm->length = 20; + } else { + CmdFrm->length = 16; + } +} + +static void avc_tuner_dsd_dvb_c(struct dvb_frontend_parameters *params, + AVCCmdFrm *CmdFrm) +{ + M_VALID_FLAGS flags; + + flags.Bits.Modulation = params->u.qam.modulation != QAM_AUTO; + flags.Bits.FEC_inner = params->u.qam.fec_inner != FEC_AUTO; + flags.Bits.FEC_outer = 0; + flags.Bits.Symbol_Rate = 1; + flags.Bits.Frequency = 1; + flags.Bits.Orbital_Pos = 0; + flags.Bits.Polarisation = 0; + flags.Bits.reserved_fields = 0; + flags.Bits.reserved1 = 0; + flags.Bits.Network_ID = 0; + + CmdFrm->opcode = DSD; + + CmdFrm->operand[0] = 0; /* source plug */ + CmdFrm->operand[1] = 0xd2; /* subfunction replace */ + CmdFrm->operand[2] = 0x20; /* system id = DVB */ + CmdFrm->operand[3] = 0x00; /* antenna number */ + /* system_specific_multiplex selection_length */ + CmdFrm->operand[4] = 0x11; + CmdFrm->operand[5] = flags.Valid_Word.ByteHi; /* valid_flags [0] */ + CmdFrm->operand[6] = flags.Valid_Word.ByteLo; /* valid_flags [1] */ + CmdFrm->operand[7] = 0x00; + CmdFrm->operand[8] = 0x00; + CmdFrm->operand[9] = 0x00; + CmdFrm->operand[10] = 0x00; + + CmdFrm->operand[11] = + (((params->frequency / 4000) >> 16) & 0xff) | (2 << 6); + CmdFrm->operand[12] = + ((params->frequency / 4000) >> 8) & 0xff; + CmdFrm->operand[13] = (params->frequency / 4000) & 0xff; + CmdFrm->operand[14] = + ((params->u.qpsk.symbol_rate / 1000) >> 12) & 0xff; + CmdFrm->operand[15] = + ((params->u.qpsk.symbol_rate / 1000) >> 4) & 0xff; + CmdFrm->operand[16] = + ((params->u.qpsk.symbol_rate / 1000) << 4) & 0xf0; + CmdFrm->operand[17] = 0x00; + + switch (params->u.qpsk.fec_inner) { + case FEC_1_2: + CmdFrm->operand[18] = 0x1; break; + case FEC_2_3: + CmdFrm->operand[18] = 0x2; break; + case FEC_3_4: + CmdFrm->operand[18] = 0x3; break; + case FEC_5_6: + CmdFrm->operand[18] = 0x4; break; + case FEC_7_8: + CmdFrm->operand[18] = 0x5; break; + case FEC_8_9: + CmdFrm->operand[18] = 0x6; break; + case FEC_4_5: + CmdFrm->operand[18] = 0x8; break; + case FEC_AUTO: + default: + CmdFrm->operand[18] = 0x0; + } + switch (params->u.qam.modulation) { + case QAM_16: + CmdFrm->operand[19] = 0x08; break; + case QAM_32: + CmdFrm->operand[19] = 0x10; break; + case QAM_64: + CmdFrm->operand[19] = 0x18; break; + case QAM_128: + CmdFrm->operand[19] = 0x20; break; + case QAM_256: + CmdFrm->operand[19] = 0x28; break; + case QAM_AUTO: + default: + CmdFrm->operand[19] = 0x00; + } + CmdFrm->operand[20] = 0x00; + CmdFrm->operand[21] = 0x00; + /* Nr_of_dsd_sel_specs = 0 -> no PIDs are transmitted */ + CmdFrm->operand[22] = 0x00; + + CmdFrm->length = 28; +} + +static void avc_tuner_dsd_dvb_t(struct dvb_frontend_parameters *params, + AVCCmdFrm *CmdFrm) +{ + M_VALID_FLAGS flags; + + flags.Bits_T.GuardInterval = + params->u.ofdm.guard_interval != GUARD_INTERVAL_AUTO; + flags.Bits_T.CodeRateLPStream = + params->u.ofdm.code_rate_LP != FEC_AUTO; + flags.Bits_T.CodeRateHPStream = + params->u.ofdm.code_rate_HP != FEC_AUTO; + flags.Bits_T.HierarchyInfo = + params->u.ofdm.hierarchy_information != HIERARCHY_AUTO; + flags.Bits_T.Constellation = + params->u.ofdm.constellation != QAM_AUTO; + flags.Bits_T.Bandwidth = + params->u.ofdm.bandwidth != BANDWIDTH_AUTO; + flags.Bits_T.CenterFrequency = 1; + flags.Bits_T.reserved1 = 0; + flags.Bits_T.reserved2 = 0; + flags.Bits_T.OtherFrequencyFlag = 0; + flags.Bits_T.TransmissionMode = + params->u.ofdm.transmission_mode != TRANSMISSION_MODE_AUTO; + flags.Bits_T.NetworkId = 0; + + CmdFrm->opcode = DSD; + + CmdFrm->operand[0] = 0; /* source plug */ + CmdFrm->operand[1] = 0xd2; /* subfunction replace */ + CmdFrm->operand[2] = 0x20; /* system id = DVB */ + CmdFrm->operand[3] = 0x00; /* antenna number */ + /* system_specific_multiplex selection_length */ + CmdFrm->operand[4] = 0x0c; + CmdFrm->operand[5] = flags.Valid_Word.ByteHi; /* valid_flags [0] */ + CmdFrm->operand[6] = flags.Valid_Word.ByteLo; /* valid_flags [1] */ + CmdFrm->operand[7] = 0x0; + CmdFrm->operand[8] = (params->frequency / 10) >> 24; + CmdFrm->operand[9] = ((params->frequency / 10) >> 16) & 0xff; + CmdFrm->operand[10] = ((params->frequency / 10) >> 8) & 0xff; + CmdFrm->operand[11] = (params->frequency / 10) & 0xff; + + switch (params->u.ofdm.bandwidth) { + case BANDWIDTH_7_MHZ: + CmdFrm->operand[12] = 0x20; break; + case BANDWIDTH_8_MHZ: + case BANDWIDTH_6_MHZ: /* not defined by AVC spec */ + case BANDWIDTH_AUTO: + default: + CmdFrm->operand[12] = 0x00; + } + switch (params->u.ofdm.constellation) { + case QAM_16: + CmdFrm->operand[13] = 1 << 6; break; + case QAM_64: + CmdFrm->operand[13] = 2 << 6; break; + case QPSK: + default: + CmdFrm->operand[13] = 0x00; + } + switch (params->u.ofdm.hierarchy_information) { + case HIERARCHY_1: + CmdFrm->operand[13] |= 1 << 3; break; + case HIERARCHY_2: + CmdFrm->operand[13] |= 2 << 3; break; + case HIERARCHY_4: + CmdFrm->operand[13] |= 3 << 3; break; + case HIERARCHY_AUTO: + case HIERARCHY_NONE: + default: + break; + } + switch (params->u.ofdm.code_rate_HP) { + case FEC_2_3: + CmdFrm->operand[13] |= 1; break; + case FEC_3_4: + CmdFrm->operand[13] |= 2; break; + case FEC_5_6: + CmdFrm->operand[13] |= 3; break; + case FEC_7_8: + CmdFrm->operand[13] |= 4; break; + case FEC_1_2: + default: + break; + } + switch (params->u.ofdm.code_rate_LP) { + case FEC_2_3: + CmdFrm->operand[14] = 1 << 5; break; + case FEC_3_4: + CmdFrm->operand[14] = 2 << 5; break; + case FEC_5_6: + CmdFrm->operand[14] = 3 << 5; break; + case FEC_7_8: + CmdFrm->operand[14] = 4 << 5; break; + case FEC_1_2: + default: + CmdFrm->operand[14] = 0x00; break; + } + switch (params->u.ofdm.guard_interval) { + case GUARD_INTERVAL_1_16: + CmdFrm->operand[14] |= 1 << 3; break; + case GUARD_INTERVAL_1_8: + CmdFrm->operand[14] |= 2 << 3; break; + case GUARD_INTERVAL_1_4: + CmdFrm->operand[14] |= 3 << 3; break; + case GUARD_INTERVAL_1_32: + case GUARD_INTERVAL_AUTO: + default: + break; + } + switch (params->u.ofdm.transmission_mode) { + case TRANSMISSION_MODE_8K: + CmdFrm->operand[14] |= 1 << 1; break; + case TRANSMISSION_MODE_2K: + case TRANSMISSION_MODE_AUTO: + default: + break; + } + + CmdFrm->operand[15] = 0x00; /* network_ID[0] */ + CmdFrm->operand[16] = 0x00; /* network_ID[1] */ + /* Nr_of_dsd_sel_specs = 0 -> no PIDs are transmitted */ + CmdFrm->operand[17] = 0x00; + + CmdFrm->length = 24; +} + +int avc_tuner_dsd(struct firedtv *fdtv, + struct dvb_frontend_parameters *params) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + + CmdFrm.cts = AVC; + CmdFrm.ctype = CONTROL; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + + switch (fdtv->type) { + case FIREDTV_DVB_S: + case FIREDTV_DVB_S2: + avc_tuner_tuneqpsk(fdtv, params, &CmdFrm); break; + case FIREDTV_DVB_C: + avc_tuner_dsd_dvb_c(params, &CmdFrm); break; + case FIREDTV_DVB_T: + avc_tuner_dsd_dvb_t(params, &CmdFrm); break; + default: + BUG(); + } + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + msleep(500); +#if 0 + /* FIXME: */ + /* u8 *status was an out-parameter of avc_tuner_dsd, unused by caller */ + if(status) + *status=RspFrm.operand[2]; +#endif + return 0; +} + +int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[]) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + int pos, k; + + if (pidc > 16 && pidc != 0xff) + return -EINVAL; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + + CmdFrm.cts = AVC; + CmdFrm.ctype = CONTROL; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = DSD; + + CmdFrm.operand[0] = 0; // source plug + CmdFrm.operand[1] = 0xD2; // subfunction replace + CmdFrm.operand[2] = 0x20; // system id = DVB + CmdFrm.operand[3] = 0x00; // antenna number + CmdFrm.operand[4] = 0x00; // system_specific_multiplex selection_length + CmdFrm.operand[5] = pidc; // Nr_of_dsd_sel_specs + + pos = 6; + if (pidc != 0xff) + for (k = 0; k < pidc; k++) { + CmdFrm.operand[pos++] = 0x13; // flowfunction relay + CmdFrm.operand[pos++] = 0x80; // dsd_sel_spec_valid_flags -> PID + CmdFrm.operand[pos++] = (pid[k] >> 8) & 0x1F; + CmdFrm.operand[pos++] = pid[k] & 0xFF; + CmdFrm.operand[pos++] = 0x00; // tableID + CmdFrm.operand[pos++] = 0x00; // filter_length + } + + CmdFrm.length = ALIGN(3 + pos, 4); + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + msleep(50); + return 0; +} + +int avc_tuner_get_ts(struct firedtv *fdtv) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + + CmdFrm.cts = AVC; + CmdFrm.ctype = CONTROL; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = DSIT; + + CmdFrm.operand[0] = 0; // source plug + CmdFrm.operand[1] = 0xD2; // subfunction replace + CmdFrm.operand[2] = 0xFF; //status + CmdFrm.operand[3] = 0x20; // system id = DVB + CmdFrm.operand[4] = 0x00; // antenna number + CmdFrm.operand[5] = 0x0; // system_specific_search_flags + CmdFrm.operand[6] = (fdtv->type == FIREDTV_DVB_T)?0x0c:0x11; // system_specific_multiplex selection_length + CmdFrm.operand[7] = 0x00; // valid_flags [0] + CmdFrm.operand[8] = 0x00; // valid_flags [1] + CmdFrm.operand[7 + (fdtv->type == FIREDTV_DVB_T)?0x0c:0x11] = 0x00; // nr_of_dsit_sel_specs (always 0) + + CmdFrm.length = (fdtv->type == FIREDTV_DVB_T)?24:28; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + msleep(250); + return 0; +} + +int avc_identify_subunit(struct firedtv *fdtv) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + + memset(&CmdFrm,0,sizeof(AVCCmdFrm)); + + CmdFrm.cts = AVC; + CmdFrm.ctype = CONTROL; + CmdFrm.sutyp = 0x5; // tuner + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = READ_DESCRIPTOR; + + CmdFrm.operand[0]=DESCRIPTOR_SUBUNIT_IDENTIFIER; + CmdFrm.operand[1]=0xff; + CmdFrm.operand[2]=0x00; + CmdFrm.operand[3]=0x00; // length highbyte + CmdFrm.operand[4]=0x08; // length lowbyte + CmdFrm.operand[5]=0x00; // offset highbyte + CmdFrm.operand[6]=0x0d; // offset lowbyte + + CmdFrm.length=12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + if ((RspFrm.resp != STABLE && RspFrm.resp != ACCEPTED) || + (RspFrm.operand[3] << 8) + RspFrm.operand[4] != 8) { + dev_err(&fdtv->ud->device, + "cannot read subunit identifier\n"); + return -EINVAL; + } + return 0; +} + +int avc_tuner_status(struct firedtv *fdtv, + ANTENNA_INPUT_INFO *antenna_input_info) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + int length; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + + CmdFrm.cts=AVC; + CmdFrm.ctype=CONTROL; + CmdFrm.sutyp=0x05; // tuner + CmdFrm.suid=fdtv->subunit; + CmdFrm.opcode=READ_DESCRIPTOR; + + CmdFrm.operand[0]=DESCRIPTOR_TUNER_STATUS; + CmdFrm.operand[1]=0xff; //read_result_status + CmdFrm.operand[2]=0x00; // reserver + CmdFrm.operand[3]=0;//sizeof(ANTENNA_INPUT_INFO) >> 8; + CmdFrm.operand[4]=0;//sizeof(ANTENNA_INPUT_INFO) & 0xFF; + CmdFrm.operand[5]=0x00; + CmdFrm.operand[6]=0x00; + CmdFrm.length=12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + if (RspFrm.resp != STABLE && RspFrm.resp != ACCEPTED) { + dev_err(&fdtv->ud->device, "cannot read tuner status\n"); + return -EINVAL; + } + + length = RspFrm.operand[9]; + if (RspFrm.operand[1] != 0x10 || length != sizeof(ANTENNA_INPUT_INFO)) { + dev_err(&fdtv->ud->device, "got invalid tuner status\n"); + return -EINVAL; + } + + memcpy(antenna_input_info, &RspFrm.operand[10], length); + return 0; +} + +int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst, + char conttone, char nrdiseq, + struct dvb_diseqc_master_cmd *diseqcmd) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + int i, j, k; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + + CmdFrm.cts=AVC; + CmdFrm.ctype=CONTROL; + CmdFrm.sutyp=0x05; + CmdFrm.suid=fdtv->subunit; + CmdFrm.opcode=VENDOR; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_LNB_CONTROL; + + CmdFrm.operand[4]=voltage; + CmdFrm.operand[5]=nrdiseq; + + i=6; + + for (j = 0; j < nrdiseq; j++) { + CmdFrm.operand[i++] = diseqcmd[j].msg_len; + + for (k = 0; k < diseqcmd[j].msg_len; k++) + CmdFrm.operand[i++] = diseqcmd[j].msg[k]; + } + + CmdFrm.operand[i++]=burst; + CmdFrm.operand[i++]=conttone; + + CmdFrm.length = ALIGN(3 + i, 4); + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + if (RspFrm.resp != ACCEPTED) { + dev_err(&fdtv->ud->device, "LNB control failed\n"); + return -EINVAL; + } + + return 0; +} + +int avc_register_remote_control(struct firedtv *fdtv) +{ + AVCCmdFrm CmdFrm; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + + CmdFrm.cts = AVC; + CmdFrm.ctype = NOTIFY; + CmdFrm.sutyp = 0x1f; + CmdFrm.suid = 0x7; + CmdFrm.opcode = VENDOR; + + CmdFrm.operand[0] = SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1] = SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2] = SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3] = SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL; + + CmdFrm.length = 8; + + return avc_write(fdtv, &CmdFrm, NULL); +} + +void avc_remote_ctrl_work(struct work_struct *work) +{ + struct firedtv *fdtv = + container_of(work, struct firedtv, remote_ctrl_work); + + /* Should it be rescheduled in failure cases? */ + avc_register_remote_control(fdtv); +} + +#if 0 /* FIXME: unused */ +int avc_tuner_host2ca(struct firedtv *fdtv) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + CmdFrm.cts = AVC; + CmdFrm.ctype = CONTROL; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = VENDOR; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_HOST2CA; + CmdFrm.operand[4] = 0; // slot + CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; // ca tag + CmdFrm.operand[6] = 0; // more/last + CmdFrm.operand[7] = 0; // length + CmdFrm.length = 12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + return 0; +} +#endif + +static int get_ca_object_pos(AVCRspFrm *RspFrm) +{ + int length = 1; + + /* Check length of length field */ + if (RspFrm->operand[7] & 0x80) + length = (RspFrm->operand[7] & 0x7f) + 1; + return length + 7; +} + +static int get_ca_object_length(AVCRspFrm *RspFrm) +{ +#if 0 /* FIXME: unused */ + int size = 0; + int i; + + if (RspFrm->operand[7] & 0x80) + for (i = 0; i < (RspFrm->operand[7] & 0x7f); i++) { + size <<= 8; + size += RspFrm->operand[8 + i]; + } +#endif + return RspFrm->operand[7]; +} + +int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + int pos; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + CmdFrm.cts = AVC; + CmdFrm.ctype = STATUS; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = VENDOR; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_CA2HOST; + CmdFrm.operand[4] = 0; // slot + CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; // ca tag + CmdFrm.length = 12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + /* FIXME: check response code and validate response data */ + + pos = get_ca_object_pos(&RspFrm); + app_info[0] = (TAG_APP_INFO >> 16) & 0xFF; + app_info[1] = (TAG_APP_INFO >> 8) & 0xFF; + app_info[2] = (TAG_APP_INFO >> 0) & 0xFF; + app_info[3] = 6 + RspFrm.operand[pos + 4]; + app_info[4] = 0x01; + memcpy(&app_info[5], &RspFrm.operand[pos], 5 + RspFrm.operand[pos + 4]); + *len = app_info[3] + 4; + + return 0; +} + +int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + int pos; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + CmdFrm.cts = AVC; + CmdFrm.ctype = STATUS; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = VENDOR; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_CA2HOST; + CmdFrm.operand[4] = 0; // slot + CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; // ca tag + CmdFrm.length = 12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + pos = get_ca_object_pos(&RspFrm); + app_info[0] = (TAG_CA_INFO >> 16) & 0xFF; + app_info[1] = (TAG_CA_INFO >> 8) & 0xFF; + app_info[2] = (TAG_CA_INFO >> 0) & 0xFF; + app_info[3] = 2; + app_info[4] = RspFrm.operand[pos + 0]; + app_info[5] = RspFrm.operand[pos + 1]; + *len = app_info[3] + 4; + + return 0; +} + +int avc_ca_reset(struct firedtv *fdtv) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + CmdFrm.cts = AVC; + CmdFrm.ctype = CONTROL; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = VENDOR; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_HOST2CA; + CmdFrm.operand[4] = 0; // slot + CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_RESET; // ca tag + CmdFrm.operand[6] = 0; // more/last + CmdFrm.operand[7] = 1; // length + CmdFrm.operand[8] = 0; // force hardware reset + CmdFrm.length = 12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + return 0; +} + +int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + int list_management; + int program_info_length; + int pmt_cmd_id; + int read_pos; + int write_pos; + int es_info_length; + int crc32_csum; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + CmdFrm.cts = AVC; + CmdFrm.ctype = CONTROL; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = VENDOR; + + if (msg[0] != LIST_MANAGEMENT_ONLY) { + dev_info(&fdtv->ud->device, + "forcing list_management to ONLY\n"); + msg[0] = LIST_MANAGEMENT_ONLY; + } + // We take the cmd_id from the programme level only! + list_management = msg[0]; + program_info_length = ((msg[4] & 0x0F) << 8) + msg[5]; + if (program_info_length > 0) + program_info_length--; // Remove pmt_cmd_id + pmt_cmd_id = msg[6]; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_HOST2CA; + CmdFrm.operand[4] = 0; // slot + CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_PMT; // ca tag + CmdFrm.operand[6] = 0; // more/last + //CmdFrm.operand[7] = XXXprogram_info_length + 17; // length + CmdFrm.operand[8] = list_management; + CmdFrm.operand[9] = 0x01; // pmt_cmd=OK_descramble + + // TS program map table + + // Table id=2 + CmdFrm.operand[10] = 0x02; + // Section syntax + length + CmdFrm.operand[11] = 0x80; + //CmdFrm.operand[12] = XXXprogram_info_length + 12; + // Program number + CmdFrm.operand[13] = msg[1]; + CmdFrm.operand[14] = msg[2]; + // Version number=0 + current/next=1 + CmdFrm.operand[15] = 0x01; + // Section number=0 + CmdFrm.operand[16] = 0x00; + // Last section number=0 + CmdFrm.operand[17] = 0x00; + // PCR_PID=1FFF + CmdFrm.operand[18] = 0x1F; + CmdFrm.operand[19] = 0xFF; + // Program info length + CmdFrm.operand[20] = (program_info_length >> 8); + CmdFrm.operand[21] = (program_info_length & 0xFF); + // CA descriptors at programme level + read_pos = 6; + write_pos = 22; + if (program_info_length > 0) { + pmt_cmd_id = msg[read_pos++]; + if (pmt_cmd_id != 1 && pmt_cmd_id != 4) + dev_err(&fdtv->ud->device, + "invalid pmt_cmd_id %d\n", pmt_cmd_id); + + memcpy(&CmdFrm.operand[write_pos], &msg[read_pos], + program_info_length); + read_pos += program_info_length; + write_pos += program_info_length; + } + while (read_pos < length) { + CmdFrm.operand[write_pos++] = msg[read_pos++]; + CmdFrm.operand[write_pos++] = msg[read_pos++]; + CmdFrm.operand[write_pos++] = msg[read_pos++]; + es_info_length = + ((msg[read_pos] & 0x0F) << 8) + msg[read_pos + 1]; + read_pos += 2; + if (es_info_length > 0) + es_info_length--; // Remove pmt_cmd_id + CmdFrm.operand[write_pos++] = es_info_length >> 8; + CmdFrm.operand[write_pos++] = es_info_length & 0xFF; + if (es_info_length > 0) { + pmt_cmd_id = msg[read_pos++]; + if (pmt_cmd_id != 1 && pmt_cmd_id != 4) + dev_err(&fdtv->ud->device, + "invalid pmt_cmd_id %d " + "at stream level\n", pmt_cmd_id); + + memcpy(&CmdFrm.operand[write_pos], &msg[read_pos], + es_info_length); + read_pos += es_info_length; + write_pos += es_info_length; + } + } + + // CRC + CmdFrm.operand[write_pos++] = 0x00; + CmdFrm.operand[write_pos++] = 0x00; + CmdFrm.operand[write_pos++] = 0x00; + CmdFrm.operand[write_pos++] = 0x00; + + CmdFrm.operand[7] = write_pos - 8; + CmdFrm.operand[12] = write_pos - 13; + + crc32_csum = crc32_be(0, &CmdFrm.operand[10], + CmdFrm.operand[12] - 1); + CmdFrm.operand[write_pos - 4] = (crc32_csum >> 24) & 0xFF; + CmdFrm.operand[write_pos - 3] = (crc32_csum >> 16) & 0xFF; + CmdFrm.operand[write_pos - 2] = (crc32_csum >> 8) & 0xFF; + CmdFrm.operand[write_pos - 1] = (crc32_csum >> 0) & 0xFF; + + CmdFrm.length = ALIGN(3 + write_pos, 4); + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + if (RspFrm.resp != ACCEPTED) { + dev_err(&fdtv->ud->device, + "CA PMT failed with response 0x%x\n", RspFrm.resp); + return -EFAULT; + } + + return 0; +} + +int avc_ca_get_time_date(struct firedtv *fdtv, int *interval) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + CmdFrm.cts = AVC; + CmdFrm.ctype = STATUS; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = VENDOR; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_CA2HOST; + CmdFrm.operand[4] = 0; // slot + CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_DATE_TIME; // ca tag + CmdFrm.operand[6] = 0; // more/last + CmdFrm.operand[7] = 0; // length + CmdFrm.length = 12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + /* FIXME: check response code and validate response data */ + + *interval = RspFrm.operand[get_ca_object_pos(&RspFrm)]; + + return 0; +} + +int avc_ca_enter_menu(struct firedtv *fdtv) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + CmdFrm.cts = AVC; + CmdFrm.ctype = STATUS; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = VENDOR; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_HOST2CA; + CmdFrm.operand[4] = 0; // slot + CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_ENTER_MENU; + CmdFrm.operand[6] = 0; // more/last + CmdFrm.operand[7] = 0; // length + CmdFrm.length = 12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + return 0; +} + +int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len) +{ + AVCCmdFrm CmdFrm; + AVCRspFrm RspFrm; + + memset(&CmdFrm, 0, sizeof(AVCCmdFrm)); + CmdFrm.cts = AVC; + CmdFrm.ctype = STATUS; + CmdFrm.sutyp = 0x5; + CmdFrm.suid = fdtv->subunit; + CmdFrm.opcode = VENDOR; + + CmdFrm.operand[0]=SFE_VENDOR_DE_COMPANYID_0; + CmdFrm.operand[1]=SFE_VENDOR_DE_COMPANYID_1; + CmdFrm.operand[2]=SFE_VENDOR_DE_COMPANYID_2; + CmdFrm.operand[3]=SFE_VENDOR_OPCODE_CA2HOST; + CmdFrm.operand[4] = 0; // slot + CmdFrm.operand[5] = SFE_VENDOR_TAG_CA_MMI; + CmdFrm.operand[6] = 0; // more/last + CmdFrm.operand[7] = 0; // length + CmdFrm.length = 12; + + if (avc_write(fdtv, &CmdFrm, &RspFrm) < 0) + return -EIO; + + /* FIXME: check response code and validate response data */ + + *len = get_ca_object_length(&RspFrm); + memcpy(mmi_object, &RspFrm.operand[get_ca_object_pos(&RspFrm)], *len); + + return 0; +} |