| /* |
| * 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/jiffies.h> |
| #include <linux/kernel.h> |
| #include <linux/moduleparam.h> |
| #include <linux/mutex.h> |
| #include <linux/string.h> |
| #include <linux/stringify.h> |
| #include <linux/wait.h> |
| #include <linux/workqueue.h> |
| |
| #include "firedtv.h" |
| |
| #define FCP_COMMAND_REGISTER 0xfffff0000b00ULL |
| |
| #define AVC_CTYPE_CONTROL 0x0 |
| #define AVC_CTYPE_STATUS 0x1 |
| #define AVC_CTYPE_NOTIFY 0x3 |
| |
| #define AVC_RESPONSE_ACCEPTED 0x9 |
| #define AVC_RESPONSE_STABLE 0xc |
| #define AVC_RESPONSE_CHANGED 0xd |
| #define AVC_RESPONSE_INTERIM 0xf |
| |
| #define AVC_SUBUNIT_TYPE_TUNER (0x05 << 3) |
| #define AVC_SUBUNIT_TYPE_UNIT (0x1f << 3) |
| |
| #define AVC_OPCODE_VENDOR 0x00 |
| #define AVC_OPCODE_READ_DESCRIPTOR 0x09 |
| #define AVC_OPCODE_DSIT 0xc8 |
| #define AVC_OPCODE_DSD 0xcb |
| |
| #define DESCRIPTOR_TUNER_STATUS 0x80 |
| #define DESCRIPTOR_SUBUNIT_IDENTIFIER 0x00 |
| |
| #define SFE_VENDOR_DE_COMPANYID_0 0x00 /* OUI of Digital Everywhere */ |
| #define SFE_VENDOR_DE_COMPANYID_1 0x12 |
| #define SFE_VENDOR_DE_COMPANYID_2 0x87 |
| |
| #define SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL 0x0a |
| #define SFE_VENDOR_OPCODE_LNB_CONTROL 0x52 |
| #define SFE_VENDOR_OPCODE_TUNE_QPSK 0x58 /* for DVB-S */ |
| |
| #define SFE_VENDOR_OPCODE_GET_FIRMWARE_VERSION 0x00 |
| #define SFE_VENDOR_OPCODE_HOST2CA 0x56 |
| #define SFE_VENDOR_OPCODE_CA2HOST 0x57 |
| #define SFE_VENDOR_OPCODE_CISTATUS 0x59 |
| #define SFE_VENDOR_OPCODE_TUNE_QPSK2 0x60 /* for DVB-S2 */ |
| |
| #define SFE_VENDOR_TAG_CA_RESET 0x00 |
| #define SFE_VENDOR_TAG_CA_APPLICATION_INFO 0x01 |
| #define SFE_VENDOR_TAG_CA_PMT 0x02 |
| #define SFE_VENDOR_TAG_CA_DATE_TIME 0x04 |
| #define SFE_VENDOR_TAG_CA_MMI 0x05 |
| #define SFE_VENDOR_TAG_CA_ENTER_MENU 0x07 |
| |
| #define EN50221_LIST_MANAGEMENT_ONLY 0x03 |
| #define EN50221_TAG_APP_INFO 0x9f8021 |
| #define EN50221_TAG_CA_INFO 0x9f8031 |
| |
| struct avc_command_frame { |
| int length; |
| u8 ctype; |
| u8 subunit; |
| u8 opcode; |
| u8 operand[509]; |
| }; |
| |
| struct avc_response_frame { |
| int length; |
| u8 response; |
| u8 subunit; |
| u8 opcode; |
| u8 operand[509]; |
| }; |
| |
| #define AVC_DEBUG_READ_DESCRIPTOR 0x0001 |
| #define AVC_DEBUG_DSIT 0x0002 |
| #define AVC_DEBUG_DSD 0x0004 |
| #define AVC_DEBUG_REGISTER_REMOTE_CONTROL 0x0008 |
| #define AVC_DEBUG_LNB_CONTROL 0x0010 |
| #define AVC_DEBUG_TUNE_QPSK 0x0020 |
| #define AVC_DEBUG_TUNE_QPSK2 0x0040 |
| #define AVC_DEBUG_HOST2CA 0x0080 |
| #define AVC_DEBUG_CA2HOST 0x0100 |
| #define AVC_DEBUG_APPLICATION_PMT 0x4000 |
| #define AVC_DEBUG_FCP_PAYLOADS 0x8000 |
| |
| static int avc_debug; |
| module_param_named(debug, avc_debug, int, 0644); |
| MODULE_PARM_DESC(debug, "Verbose logging (none = 0" |
| ", FCP subactions" |
| ": READ DESCRIPTOR = " __stringify(AVC_DEBUG_READ_DESCRIPTOR) |
| ", DSIT = " __stringify(AVC_DEBUG_DSIT) |
| ", REGISTER_REMOTE_CONTROL = " __stringify(AVC_DEBUG_REGISTER_REMOTE_CONTROL) |
| ", LNB CONTROL = " __stringify(AVC_DEBUG_LNB_CONTROL) |
| ", TUNE QPSK = " __stringify(AVC_DEBUG_TUNE_QPSK) |
| ", TUNE QPSK2 = " __stringify(AVC_DEBUG_TUNE_QPSK2) |
| ", HOST2CA = " __stringify(AVC_DEBUG_HOST2CA) |
| ", CA2HOST = " __stringify(AVC_DEBUG_CA2HOST) |
| "; Application sent PMT = " __stringify(AVC_DEBUG_APPLICATION_PMT) |
| ", FCP payloads = " __stringify(AVC_DEBUG_FCP_PAYLOADS) |
| ", or a combination, or all = -1)"); |
| |
| static const char *debug_fcp_ctype(unsigned int ctype) |
| { |
| static const char *ctypes[] = { |
| [0x0] = "CONTROL", [0x1] = "STATUS", |
| [0x2] = "SPECIFIC INQUIRY", [0x3] = "NOTIFY", |
| [0x4] = "GENERAL INQUIRY", [0x8] = "NOT IMPLEMENTED", |
| [0x9] = "ACCEPTED", [0xa] = "REJECTED", |
| [0xb] = "IN TRANSITION", [0xc] = "IMPLEMENTED/STABLE", |
| [0xd] = "CHANGED", [0xf] = "INTERIM", |
| }; |
| const char *ret = ctype < ARRAY_SIZE(ctypes) ? ctypes[ctype] : NULL; |
| |
| return ret ? ret : "?"; |
| } |
| |
| static const char *debug_fcp_opcode(unsigned int opcode, |
| const u8 *data, int length) |
| { |
| switch (opcode) { |
| case AVC_OPCODE_VENDOR: |
| break; |
| case AVC_OPCODE_READ_DESCRIPTOR: |
| return avc_debug & AVC_DEBUG_READ_DESCRIPTOR ? |
| "ReadDescriptor" : NULL; |
| case AVC_OPCODE_DSIT: |
| return avc_debug & AVC_DEBUG_DSIT ? |
| "DirectSelectInfo.Type" : NULL; |
| case AVC_OPCODE_DSD: |
| return avc_debug & AVC_DEBUG_DSD ? "DirectSelectData" : NULL; |
| default: |
| return "Unknown"; |
| } |
| |
| if (length < 7 || |
| data[3] != SFE_VENDOR_DE_COMPANYID_0 || |
| data[4] != SFE_VENDOR_DE_COMPANYID_1 || |
| data[5] != SFE_VENDOR_DE_COMPANYID_2) |
| return "Vendor/Unknown"; |
| |
| switch (data[6]) { |
| case SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL: |
| return avc_debug & AVC_DEBUG_REGISTER_REMOTE_CONTROL ? |
| "RegisterRC" : NULL; |
| case SFE_VENDOR_OPCODE_LNB_CONTROL: |
| return avc_debug & AVC_DEBUG_LNB_CONTROL ? "LNBControl" : NULL; |
| case SFE_VENDOR_OPCODE_TUNE_QPSK: |
| return avc_debug & AVC_DEBUG_TUNE_QPSK ? "TuneQPSK" : NULL; |
| case SFE_VENDOR_OPCODE_TUNE_QPSK2: |
| return avc_debug & AVC_DEBUG_TUNE_QPSK2 ? "TuneQPSK2" : NULL; |
| case SFE_VENDOR_OPCODE_HOST2CA: |
| return avc_debug & AVC_DEBUG_HOST2CA ? "Host2CA" : NULL; |
| case SFE_VENDOR_OPCODE_CA2HOST: |
| return avc_debug & AVC_DEBUG_CA2HOST ? "CA2Host" : NULL; |
| } |
| return "Vendor/Unknown"; |
| } |
| |
| static void debug_fcp(const u8 *data, int length) |
| { |
| unsigned int subunit_type, subunit_id, opcode; |
| const char *op, *prefix; |
| |
| prefix = data[0] > 7 ? "FCP <- " : "FCP -> "; |
| subunit_type = data[1] >> 3; |
| subunit_id = data[1] & 7; |
| opcode = subunit_type == 0x1e || subunit_id == 5 ? ~0 : data[2]; |
| op = debug_fcp_opcode(opcode, data, length); |
| |
| if (op) { |
| printk(KERN_INFO "%ssu=%x.%x l=%d: %-8s - %s\n", |
| prefix, subunit_type, subunit_id, length, |
| debug_fcp_ctype(data[0]), op); |
| if (avc_debug & AVC_DEBUG_FCP_PAYLOADS) |
| print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_NONE, |
| 16, 1, data, length, false); |
| } |
| } |
| |
| static void debug_pmt(char *msg, int length) |
| { |
| printk(KERN_INFO "APP PMT -> l=%d\n", length); |
| print_hex_dump(KERN_INFO, "APP PMT -> ", DUMP_PREFIX_NONE, |
| 16, 1, msg, length, false); |
| } |
| |
| static int __avc_write(struct firedtv *fdtv, |
| const struct avc_command_frame *c, struct avc_response_frame *r) |
| { |
| int err, retry; |
| |
| if (r) |
| fdtv->avc_reply_received = false; |
| |
| for (retry = 0; retry < 6; retry++) { |
| if (unlikely(avc_debug)) |
| debug_fcp(&c->ctype, c->length); |
| |
| err = fdtv->backend->write(fdtv, FCP_COMMAND_REGISTER, |
| (void *)&c->ctype, c->length); |
| if (err) { |
| fdtv->avc_reply_received = true; |
| dev_err(fdtv->device, "FCP command write failed\n"); |
| return err; |
| } |
| |
| if (!r) |
| 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, |
| msecs_to_jiffies(200)) != 0) { |
| r->length = fdtv->response_length; |
| memcpy(&r->response, fdtv->response, r->length); |
| |
| return 0; |
| } |
| } |
| dev_err(fdtv->device, "FCP response timed out\n"); |
| return -ETIMEDOUT; |
| } |
| |
| static int avc_write(struct firedtv *fdtv, |
| const struct avc_command_frame *c, struct avc_response_frame *r) |
| { |
| int ret; |
| |
| if (mutex_lock_interruptible(&fdtv->avc_mutex)) |
| return -EINTR; |
| |
| ret = __avc_write(fdtv, c, r); |
| |
| mutex_unlock(&fdtv->avc_mutex); |
| return ret; |
| } |
| |
| int avc_recv(struct firedtv *fdtv, void *data, size_t length) |
| { |
| struct avc_response_frame *r = |
| data - offsetof(struct avc_response_frame, response); |
| |
| if (unlikely(avc_debug)) |
| debug_fcp(data, length); |
| |
| if (length >= 8 && |
| r->operand[0] == SFE_VENDOR_DE_COMPANYID_0 && |
| r->operand[1] == SFE_VENDOR_DE_COMPANYID_1 && |
| r->operand[2] == SFE_VENDOR_DE_COMPANYID_2 && |
| r->operand[3] == SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL) { |
| if (r->response == AVC_RESPONSE_CHANGED) { |
| fdtv_handle_rc(fdtv, |
| r->operand[4] << 8 | r->operand[5]); |
| schedule_work(&fdtv->remote_ctrl_work); |
| } else if (r->response != AVC_RESPONSE_INTERIM) { |
| dev_info(fdtv->device, |
| "remote control result = %d\n", r->response); |
| } |
| return 0; |
| } |
| |
| if (fdtv->avc_reply_received) { |
| dev_err(fdtv->device, "out-of-order AVC response, ignored\n"); |
| return -EIO; |
| } |
| |
| memcpy(fdtv->response, data, length); |
| fdtv->response_length = length; |
| |
| fdtv->avc_reply_received = true; |
| wake_up(&fdtv->avc_wait); |
| |
| return 0; |
| } |
| |
| static int add_pid_filter(struct firedtv *fdtv, u8 *operand) |
| { |
| int i, n, pos = 1; |
| |
| for (i = 0, n = 0; i < 16; i++) { |
| if (test_bit(i, &fdtv->channel_active)) { |
| operand[pos++] = 0x13; /* flowfunction relay */ |
| operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */ |
| operand[pos++] = (fdtv->channel_pid[i] >> 8) & 0x1f; |
| operand[pos++] = fdtv->channel_pid[i] & 0xff; |
| operand[pos++] = 0x00; /* tableID */ |
| operand[pos++] = 0x00; /* filter_length */ |
| n++; |
| } |
| } |
| operand[0] = n; |
| |
| return pos; |
| } |
| |
| /* |
| * 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, |
| struct avc_command_frame *c) |
| { |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| if (fdtv->type == FIREDTV_DVB_S2) |
| c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK2; |
| else |
| c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK; |
| |
| c->operand[4] = (params->frequency >> 24) & 0xff; |
| c->operand[5] = (params->frequency >> 16) & 0xff; |
| c->operand[6] = (params->frequency >> 8) & 0xff; |
| c->operand[7] = params->frequency & 0xff; |
| |
| c->operand[8] = ((params->u.qpsk.symbol_rate / 1000) >> 8) & 0xff; |
| c->operand[9] = (params->u.qpsk.symbol_rate / 1000) & 0xff; |
| |
| switch (params->u.qpsk.fec_inner) { |
| case FEC_1_2: c->operand[10] = 0x1; break; |
| case FEC_2_3: c->operand[10] = 0x2; break; |
| case FEC_3_4: c->operand[10] = 0x3; break; |
| case FEC_5_6: c->operand[10] = 0x4; break; |
| case FEC_7_8: c->operand[10] = 0x5; break; |
| case FEC_4_5: |
| case FEC_8_9: |
| case FEC_AUTO: |
| default: c->operand[10] = 0x0; |
| } |
| |
| if (fdtv->voltage == 0xff) |
| c->operand[11] = 0xff; |
| else if (fdtv->voltage == SEC_VOLTAGE_18) /* polarisation */ |
| c->operand[11] = 0; |
| else |
| c->operand[11] = 1; |
| |
| if (fdtv->tone == 0xff) |
| c->operand[12] = 0xff; |
| else if (fdtv->tone == SEC_TONE_ON) /* band */ |
| c->operand[12] = 1; |
| else |
| c->operand[12] = 0; |
| |
| if (fdtv->type == FIREDTV_DVB_S2) { |
| c->operand[13] = 0x1; |
| c->operand[14] = 0xff; |
| c->operand[15] = 0xff; |
| c->length = 20; |
| } else { |
| c->length = 16; |
| } |
| } |
| |
| static void avc_tuner_dsd_dvb_c(struct firedtv *fdtv, |
| struct dvb_frontend_parameters *params, |
| struct avc_command_frame *c) |
| { |
| c->opcode = AVC_OPCODE_DSD; |
| |
| c->operand[0] = 0; /* source plug */ |
| c->operand[1] = 0xd2; /* subfunction replace */ |
| c->operand[2] = 0x20; /* system id = DVB */ |
| c->operand[3] = 0x00; /* antenna number */ |
| c->operand[4] = 0x11; /* system_specific_multiplex selection_length */ |
| |
| /* multiplex_valid_flags, high byte */ |
| c->operand[5] = 0 << 7 /* reserved */ |
| | 0 << 6 /* Polarisation */ |
| | 0 << 5 /* Orbital_Pos */ |
| | 1 << 4 /* Frequency */ |
| | 1 << 3 /* Symbol_Rate */ |
| | 0 << 2 /* FEC_outer */ |
| | (params->u.qam.fec_inner != FEC_AUTO ? 1 << 1 : 0) |
| | (params->u.qam.modulation != QAM_AUTO ? 1 << 0 : 0); |
| |
| /* multiplex_valid_flags, low byte */ |
| c->operand[6] = 0 << 7 /* NetworkID */ |
| | 0 << 0 /* reserved */ ; |
| |
| c->operand[7] = 0x00; |
| c->operand[8] = 0x00; |
| c->operand[9] = 0x00; |
| c->operand[10] = 0x00; |
| |
| c->operand[11] = (((params->frequency / 4000) >> 16) & 0xff) | (2 << 6); |
| c->operand[12] = ((params->frequency / 4000) >> 8) & 0xff; |
| c->operand[13] = (params->frequency / 4000) & 0xff; |
| c->operand[14] = ((params->u.qpsk.symbol_rate / 1000) >> 12) & 0xff; |
| c->operand[15] = ((params->u.qpsk.symbol_rate / 1000) >> 4) & 0xff; |
| c->operand[16] = ((params->u.qpsk.symbol_rate / 1000) << 4) & 0xf0; |
| c->operand[17] = 0x00; |
| |
| switch (params->u.qpsk.fec_inner) { |
| case FEC_1_2: c->operand[18] = 0x1; break; |
| case FEC_2_3: c->operand[18] = 0x2; break; |
| case FEC_3_4: c->operand[18] = 0x3; break; |
| case FEC_5_6: c->operand[18] = 0x4; break; |
| case FEC_7_8: c->operand[18] = 0x5; break; |
| case FEC_8_9: c->operand[18] = 0x6; break; |
| case FEC_4_5: c->operand[18] = 0x8; break; |
| case FEC_AUTO: |
| default: c->operand[18] = 0x0; |
| } |
| |
| switch (params->u.qam.modulation) { |
| case QAM_16: c->operand[19] = 0x08; break; |
| case QAM_32: c->operand[19] = 0x10; break; |
| case QAM_64: c->operand[19] = 0x18; break; |
| case QAM_128: c->operand[19] = 0x20; break; |
| case QAM_256: c->operand[19] = 0x28; break; |
| case QAM_AUTO: |
| default: c->operand[19] = 0x00; |
| } |
| |
| c->operand[20] = 0x00; |
| c->operand[21] = 0x00; |
| |
| /* Add PIDs to filter */ |
| c->length = ALIGN(22 + add_pid_filter(fdtv, &c->operand[22]) + 3, 4); |
| } |
| |
| static void avc_tuner_dsd_dvb_t(struct firedtv *fdtv, |
| struct dvb_frontend_parameters *params, |
| struct avc_command_frame *c) |
| { |
| struct dvb_ofdm_parameters *ofdm = ¶ms->u.ofdm; |
| |
| c->opcode = AVC_OPCODE_DSD; |
| |
| c->operand[0] = 0; /* source plug */ |
| c->operand[1] = 0xd2; /* subfunction replace */ |
| c->operand[2] = 0x20; /* system id = DVB */ |
| c->operand[3] = 0x00; /* antenna number */ |
| c->operand[4] = 0x0c; /* system_specific_multiplex selection_length */ |
| |
| /* multiplex_valid_flags, high byte */ |
| c->operand[5] = |
| 0 << 7 /* reserved */ |
| | 1 << 6 /* CenterFrequency */ |
| | (ofdm->bandwidth != BANDWIDTH_AUTO ? 1 << 5 : 0) |
| | (ofdm->constellation != QAM_AUTO ? 1 << 4 : 0) |
| | (ofdm->hierarchy_information != HIERARCHY_AUTO ? 1 << 3 : 0) |
| | (ofdm->code_rate_HP != FEC_AUTO ? 1 << 2 : 0) |
| | (ofdm->code_rate_LP != FEC_AUTO ? 1 << 1 : 0) |
| | (ofdm->guard_interval != GUARD_INTERVAL_AUTO ? 1 << 0 : 0); |
| |
| /* multiplex_valid_flags, low byte */ |
| c->operand[6] = |
| 0 << 7 /* NetworkID */ |
| | (ofdm->transmission_mode != TRANSMISSION_MODE_AUTO ? 1 << 6 : 0) |
| | 0 << 5 /* OtherFrequencyFlag */ |
| | 0 << 0 /* reserved */ ; |
| |
| c->operand[7] = 0x0; |
| c->operand[8] = (params->frequency / 10) >> 24; |
| c->operand[9] = ((params->frequency / 10) >> 16) & 0xff; |
| c->operand[10] = ((params->frequency / 10) >> 8) & 0xff; |
| c->operand[11] = (params->frequency / 10) & 0xff; |
| |
| switch (ofdm->bandwidth) { |
| case BANDWIDTH_7_MHZ: c->operand[12] = 0x20; break; |
| case BANDWIDTH_8_MHZ: |
| case BANDWIDTH_6_MHZ: /* not defined by AVC spec */ |
| case BANDWIDTH_AUTO: |
| default: c->operand[12] = 0x00; |
| } |
| |
| switch (ofdm->constellation) { |
| case QAM_16: c->operand[13] = 1 << 6; break; |
| case QAM_64: c->operand[13] = 2 << 6; break; |
| case QPSK: |
| default: c->operand[13] = 0x00; |
| } |
| |
| switch (ofdm->hierarchy_information) { |
| case HIERARCHY_1: c->operand[13] |= 1 << 3; break; |
| case HIERARCHY_2: c->operand[13] |= 2 << 3; break; |
| case HIERARCHY_4: c->operand[13] |= 3 << 3; break; |
| case HIERARCHY_AUTO: |
| case HIERARCHY_NONE: |
| default: break; |
| } |
| |
| switch (ofdm->code_rate_HP) { |
| case FEC_2_3: c->operand[13] |= 1; break; |
| case FEC_3_4: c->operand[13] |= 2; break; |
| case FEC_5_6: c->operand[13] |= 3; break; |
| case FEC_7_8: c->operand[13] |= 4; break; |
| case FEC_1_2: |
| default: break; |
| } |
| |
| switch (ofdm->code_rate_LP) { |
| case FEC_2_3: c->operand[14] = 1 << 5; break; |
| case FEC_3_4: c->operand[14] = 2 << 5; break; |
| case FEC_5_6: c->operand[14] = 3 << 5; break; |
| case FEC_7_8: c->operand[14] = 4 << 5; break; |
| case FEC_1_2: |
| default: c->operand[14] = 0x00; break; |
| } |
| |
| switch (ofdm->guard_interval) { |
| case GUARD_INTERVAL_1_16: c->operand[14] |= 1 << 3; break; |
| case GUARD_INTERVAL_1_8: c->operand[14] |= 2 << 3; break; |
| case GUARD_INTERVAL_1_4: c->operand[14] |= 3 << 3; break; |
| case GUARD_INTERVAL_1_32: |
| case GUARD_INTERVAL_AUTO: |
| default: break; |
| } |
| |
| switch (ofdm->transmission_mode) { |
| case TRANSMISSION_MODE_8K: c->operand[14] |= 1 << 1; break; |
| case TRANSMISSION_MODE_2K: |
| case TRANSMISSION_MODE_AUTO: |
| default: break; |
| } |
| |
| c->operand[15] = 0x00; /* network_ID[0] */ |
| c->operand[16] = 0x00; /* network_ID[1] */ |
| |
| /* Add PIDs to filter */ |
| c->length = ALIGN(17 + add_pid_filter(fdtv, &c->operand[17]) + 3, 4); |
| } |
| |
| int avc_tuner_dsd(struct firedtv *fdtv, |
| struct dvb_frontend_parameters *params) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| |
| switch (fdtv->type) { |
| case FIREDTV_DVB_S: |
| case FIREDTV_DVB_S2: avc_tuner_tuneqpsk(fdtv, params, c); break; |
| case FIREDTV_DVB_C: avc_tuner_dsd_dvb_c(fdtv, params, c); break; |
| case FIREDTV_DVB_T: avc_tuner_dsd_dvb_t(fdtv, params, c); break; |
| default: |
| BUG(); |
| } |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| msleep(500); |
| #if 0 |
| /* FIXME: */ |
| /* u8 *status was an out-parameter of avc_tuner_dsd, unused by caller */ |
| if (status) |
| *status = r->operand[2]; |
| #endif |
| return 0; |
| } |
| |
| int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[]) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| int pos, k; |
| |
| if (pidc > 16 && pidc != 0xff) |
| return -EINVAL; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_DSD; |
| |
| c->operand[0] = 0; /* source plug */ |
| c->operand[1] = 0xd2; /* subfunction replace */ |
| c->operand[2] = 0x20; /* system id = DVB */ |
| c->operand[3] = 0x00; /* antenna number */ |
| c->operand[4] = 0x00; /* system_specific_multiplex selection_length */ |
| c->operand[5] = pidc; /* Nr_of_dsd_sel_specs */ |
| |
| pos = 6; |
| if (pidc != 0xff) |
| for (k = 0; k < pidc; k++) { |
| c->operand[pos++] = 0x13; /* flowfunction relay */ |
| c->operand[pos++] = 0x80; /* dsd_sel_spec_valid_flags -> PID */ |
| c->operand[pos++] = (pid[k] >> 8) & 0x1f; |
| c->operand[pos++] = pid[k] & 0xff; |
| c->operand[pos++] = 0x00; /* tableID */ |
| c->operand[pos++] = 0x00; /* filter_length */ |
| } |
| |
| c->length = ALIGN(3 + pos, 4); |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| msleep(50); |
| return 0; |
| } |
| |
| int avc_tuner_get_ts(struct firedtv *fdtv) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| int sl; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_DSIT; |
| |
| sl = fdtv->type == FIREDTV_DVB_T ? 0x0c : 0x11; |
| |
| c->operand[0] = 0; /* source plug */ |
| c->operand[1] = 0xd2; /* subfunction replace */ |
| c->operand[2] = 0xff; /* status */ |
| c->operand[3] = 0x20; /* system id = DVB */ |
| c->operand[4] = 0x00; /* antenna number */ |
| c->operand[5] = 0x0; /* system_specific_search_flags */ |
| c->operand[6] = sl; /* system_specific_multiplex selection_length */ |
| c->operand[7] = 0x00; /* valid_flags [0] */ |
| c->operand[8] = 0x00; /* valid_flags [1] */ |
| c->operand[7 + sl] = 0x00; /* nr_of_dsit_sel_specs (always 0) */ |
| |
| c->length = fdtv->type == FIREDTV_DVB_T ? 24 : 28; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| msleep(250); |
| return 0; |
| } |
| |
| int avc_identify_subunit(struct firedtv *fdtv) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_READ_DESCRIPTOR; |
| |
| c->operand[0] = DESCRIPTOR_SUBUNIT_IDENTIFIER; |
| c->operand[1] = 0xff; |
| c->operand[2] = 0x00; |
| c->operand[3] = 0x00; /* length highbyte */ |
| c->operand[4] = 0x08; /* length lowbyte */ |
| c->operand[5] = 0x00; /* offset highbyte */ |
| c->operand[6] = 0x0d; /* offset lowbyte */ |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| if ((r->response != AVC_RESPONSE_STABLE && |
| r->response != AVC_RESPONSE_ACCEPTED) || |
| (r->operand[3] << 8) + r->operand[4] != 8) { |
| dev_err(fdtv->device, "cannot read subunit identifier\n"); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| #define SIZEOF_ANTENNA_INPUT_INFO 22 |
| |
| int avc_tuner_status(struct firedtv *fdtv, struct firedtv_tuner_status *stat) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; |
| int length; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_READ_DESCRIPTOR; |
| |
| c->operand[0] = DESCRIPTOR_TUNER_STATUS; |
| c->operand[1] = 0xff; /* read_result_status */ |
| c->operand[2] = 0x00; /* reserved */ |
| c->operand[3] = 0; /* SIZEOF_ANTENNA_INPUT_INFO >> 8; */ |
| c->operand[4] = 0; /* SIZEOF_ANTENNA_INPUT_INFO & 0xff; */ |
| c->operand[5] = 0x00; |
| c->operand[6] = 0x00; |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| if (r->response != AVC_RESPONSE_STABLE && |
| r->response != AVC_RESPONSE_ACCEPTED) { |
| dev_err(fdtv->device, "cannot read tuner status\n"); |
| return -EINVAL; |
| } |
| |
| length = r->operand[9]; |
| if (r->operand[1] != 0x10 || length != SIZEOF_ANTENNA_INPUT_INFO) { |
| dev_err(fdtv->device, "got invalid tuner status\n"); |
| return -EINVAL; |
| } |
| |
| stat->active_system = r->operand[10]; |
| stat->searching = r->operand[11] >> 7 & 1; |
| stat->moving = r->operand[11] >> 6 & 1; |
| stat->no_rf = r->operand[11] >> 5 & 1; |
| stat->input = r->operand[12] >> 7 & 1; |
| stat->selected_antenna = r->operand[12] & 0x7f; |
| stat->ber = r->operand[13] << 24 | |
| r->operand[14] << 16 | |
| r->operand[15] << 8 | |
| r->operand[16]; |
| stat->signal_strength = r->operand[17]; |
| stat->raster_frequency = r->operand[18] >> 6 & 2; |
| stat->rf_frequency = (r->operand[18] & 0x3f) << 16 | |
| r->operand[19] << 8 | |
| r->operand[20]; |
| stat->man_dep_info_length = r->operand[21]; |
| stat->front_end_error = r->operand[22] >> 4 & 1; |
| stat->antenna_error = r->operand[22] >> 3 & 1; |
| stat->front_end_power_status = r->operand[22] >> 1 & 1; |
| stat->power_supply = r->operand[22] & 1; |
| stat->carrier_noise_ratio = r->operand[23] << 8 | |
| r->operand[24]; |
| stat->power_supply_voltage = r->operand[27]; |
| stat->antenna_voltage = r->operand[28]; |
| stat->firewire_bus_voltage = r->operand[29]; |
| stat->ca_mmi = r->operand[30] & 1; |
| stat->ca_pmt_reply = r->operand[31] >> 7 & 1; |
| stat->ca_date_time_request = r->operand[31] >> 6 & 1; |
| stat->ca_application_info = r->operand[31] >> 5 & 1; |
| stat->ca_module_present_status = r->operand[31] >> 4 & 1; |
| stat->ca_dvb_flag = r->operand[31] >> 3 & 1; |
| stat->ca_error_flag = r->operand[31] >> 2 & 1; |
| stat->ca_initialization_status = r->operand[31] >> 1 & 1; |
| |
| return 0; |
| } |
| |
| int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst, |
| char conttone, char nrdiseq, |
| struct dvb_diseqc_master_cmd *diseqcmd) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; |
| int i, j, k; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_LNB_CONTROL; |
| |
| c->operand[4] = voltage; |
| c->operand[5] = nrdiseq; |
| |
| i = 6; |
| |
| for (j = 0; j < nrdiseq; j++) { |
| c->operand[i++] = diseqcmd[j].msg_len; |
| |
| for (k = 0; k < diseqcmd[j].msg_len; k++) |
| c->operand[i++] = diseqcmd[j].msg[k]; |
| } |
| |
| c->operand[i++] = burst; |
| c->operand[i++] = conttone; |
| |
| c->length = ALIGN(3 + i, 4); |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| if (r->response != AVC_RESPONSE_ACCEPTED) { |
| dev_err(fdtv->device, "LNB control failed\n"); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| int avc_register_remote_control(struct firedtv *fdtv) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_NOTIFY; |
| c->subunit = AVC_SUBUNIT_TYPE_UNIT | 7; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL; |
| |
| c->length = 8; |
| |
| return avc_write(fdtv, c, 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) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; |
| c->operand[4] = 0; /* slot */ |
| c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ |
| c->operand[6] = 0; /* more/last */ |
| c->operand[7] = 0; /* length */ |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| return 0; |
| } |
| #endif |
| |
| static int get_ca_object_pos(struct avc_response_frame *r) |
| { |
| int length = 1; |
| |
| /* Check length of length field */ |
| if (r->operand[7] & 0x80) |
| length = (r->operand[7] & 0x7f) + 1; |
| return length + 7; |
| } |
| |
| static int get_ca_object_length(struct avc_response_frame *r) |
| { |
| #if 0 /* FIXME: unused */ |
| int size = 0; |
| int i; |
| |
| if (r->operand[7] & 0x80) |
| for (i = 0; i < (r->operand[7] & 0x7f); i++) { |
| size <<= 8; |
| size += r->operand[8 + i]; |
| } |
| #endif |
| return r->operand[7]; |
| } |
| |
| int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; |
| int pos; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_STATUS; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; |
| c->operand[4] = 0; /* slot */ |
| c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| /* FIXME: check response code and validate response data */ |
| |
| pos = get_ca_object_pos(r); |
| app_info[0] = (EN50221_TAG_APP_INFO >> 16) & 0xff; |
| app_info[1] = (EN50221_TAG_APP_INFO >> 8) & 0xff; |
| app_info[2] = (EN50221_TAG_APP_INFO >> 0) & 0xff; |
| app_info[3] = 6 + r->operand[pos + 4]; |
| app_info[4] = 0x01; |
| memcpy(&app_info[5], &r->operand[pos], 5 + r->operand[pos + 4]); |
| *len = app_info[3] + 4; |
| |
| return 0; |
| } |
| |
| int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; |
| int pos; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_STATUS; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; |
| c->operand[4] = 0; /* slot */ |
| c->operand[5] = SFE_VENDOR_TAG_CA_APPLICATION_INFO; /* ca tag */ |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| pos = get_ca_object_pos(r); |
| app_info[0] = (EN50221_TAG_CA_INFO >> 16) & 0xff; |
| app_info[1] = (EN50221_TAG_CA_INFO >> 8) & 0xff; |
| app_info[2] = (EN50221_TAG_CA_INFO >> 0) & 0xff; |
| app_info[3] = 2; |
| app_info[4] = r->operand[pos + 0]; |
| app_info[5] = r->operand[pos + 1]; |
| *len = app_info[3] + 4; |
| |
| return 0; |
| } |
| |
| int avc_ca_reset(struct firedtv *fdtv) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; |
| c->operand[4] = 0; /* slot */ |
| c->operand[5] = SFE_VENDOR_TAG_CA_RESET; /* ca tag */ |
| c->operand[6] = 0; /* more/last */ |
| c->operand[7] = 1; /* length */ |
| c->operand[8] = 0; /* force hardware reset */ |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; |
| int list_management; |
| int program_info_length; |
| int pmt_cmd_id; |
| int read_pos; |
| int write_pos; |
| int es_info_length; |
| int crc32_csum; |
| |
| if (unlikely(avc_debug & AVC_DEBUG_APPLICATION_PMT)) |
| debug_pmt(msg, length); |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_CONTROL; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| if (msg[0] != EN50221_LIST_MANAGEMENT_ONLY) { |
| dev_info(fdtv->device, "forcing list_management to ONLY\n"); |
| msg[0] = EN50221_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]; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; |
| c->operand[4] = 0; /* slot */ |
| c->operand[5] = SFE_VENDOR_TAG_CA_PMT; /* ca tag */ |
| c->operand[6] = 0; /* more/last */ |
| /* c->operand[7] = XXXprogram_info_length + 17; */ /* length */ |
| c->operand[8] = list_management; |
| c->operand[9] = 0x01; /* pmt_cmd=OK_descramble */ |
| |
| /* TS program map table */ |
| |
| c->operand[10] = 0x02; /* Table id=2 */ |
| c->operand[11] = 0x80; /* Section syntax + length */ |
| /* c->operand[12] = XXXprogram_info_length + 12; */ |
| c->operand[13] = msg[1]; /* Program number */ |
| c->operand[14] = msg[2]; |
| c->operand[15] = 0x01; /* Version number=0 + current/next=1 */ |
| c->operand[16] = 0x00; /* Section number=0 */ |
| c->operand[17] = 0x00; /* Last section number=0 */ |
| c->operand[18] = 0x1f; /* PCR_PID=1FFF */ |
| c->operand[19] = 0xff; |
| c->operand[20] = (program_info_length >> 8); /* Program info length */ |
| c->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->device, |
| "invalid pmt_cmd_id %d\n", pmt_cmd_id); |
| |
| memcpy(&c->operand[write_pos], &msg[read_pos], |
| program_info_length); |
| read_pos += program_info_length; |
| write_pos += program_info_length; |
| } |
| while (read_pos < length) { |
| c->operand[write_pos++] = msg[read_pos++]; |
| c->operand[write_pos++] = msg[read_pos++]; |
| c->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 */ |
| c->operand[write_pos++] = es_info_length >> 8; |
| c->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->device, "invalid pmt_cmd_id %d " |
| "at stream level\n", pmt_cmd_id); |
| |
| memcpy(&c->operand[write_pos], &msg[read_pos], |
| es_info_length); |
| read_pos += es_info_length; |
| write_pos += es_info_length; |
| } |
| } |
| |
| /* CRC */ |
| c->operand[write_pos++] = 0x00; |
| c->operand[write_pos++] = 0x00; |
| c->operand[write_pos++] = 0x00; |
| c->operand[write_pos++] = 0x00; |
| |
| c->operand[7] = write_pos - 8; |
| c->operand[12] = write_pos - 13; |
| |
| crc32_csum = crc32_be(0, &c->operand[10], c->operand[12] - 1); |
| c->operand[write_pos - 4] = (crc32_csum >> 24) & 0xff; |
| c->operand[write_pos - 3] = (crc32_csum >> 16) & 0xff; |
| c->operand[write_pos - 2] = (crc32_csum >> 8) & 0xff; |
| c->operand[write_pos - 1] = (crc32_csum >> 0) & 0xff; |
| |
| c->length = ALIGN(3 + write_pos, 4); |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| if (r->response != AVC_RESPONSE_ACCEPTED) { |
| dev_err(fdtv->device, |
| "CA PMT failed with response 0x%x\n", r->response); |
| return -EFAULT; |
| } |
| |
| return 0; |
| } |
| |
| int avc_ca_get_time_date(struct firedtv *fdtv, int *interval) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_STATUS; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; |
| c->operand[4] = 0; /* slot */ |
| c->operand[5] = SFE_VENDOR_TAG_CA_DATE_TIME; /* ca tag */ |
| c->operand[6] = 0; /* more/last */ |
| c->operand[7] = 0; /* length */ |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| /* FIXME: check response code and validate response data */ |
| |
| *interval = r->operand[get_ca_object_pos(r)]; |
| |
| return 0; |
| } |
| |
| int avc_ca_enter_menu(struct firedtv *fdtv) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; /* FIXME: unused */ |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_STATUS; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_HOST2CA; |
| c->operand[4] = 0; /* slot */ |
| c->operand[5] = SFE_VENDOR_TAG_CA_ENTER_MENU; |
| c->operand[6] = 0; /* more/last */ |
| c->operand[7] = 0; /* length */ |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len) |
| { |
| char buffer[sizeof(struct avc_command_frame)]; |
| struct avc_command_frame *c = (void *)buffer; |
| struct avc_response_frame *r = (void *)buffer; |
| |
| memset(c, 0, sizeof(*c)); |
| |
| c->ctype = AVC_CTYPE_STATUS; |
| c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; |
| c->opcode = AVC_OPCODE_VENDOR; |
| |
| c->operand[0] = SFE_VENDOR_DE_COMPANYID_0; |
| c->operand[1] = SFE_VENDOR_DE_COMPANYID_1; |
| c->operand[2] = SFE_VENDOR_DE_COMPANYID_2; |
| c->operand[3] = SFE_VENDOR_OPCODE_CA2HOST; |
| c->operand[4] = 0; /* slot */ |
| c->operand[5] = SFE_VENDOR_TAG_CA_MMI; |
| c->operand[6] = 0; /* more/last */ |
| c->operand[7] = 0; /* length */ |
| |
| c->length = 12; |
| |
| if (avc_write(fdtv, c, r) < 0) |
| return -EIO; |
| |
| /* FIXME: check response code and validate response data */ |
| |
| *len = get_ca_object_length(r); |
| memcpy(mmi_object, &r->operand[get_ca_object_pos(r)], *len); |
| |
| return 0; |
| } |
| |
| #define CMP_OUTPUT_PLUG_CONTROL_REG_0 0xfffff0000904ULL |
| |
| static int cmp_read(struct firedtv *fdtv, void *buf, u64 addr, size_t len) |
| { |
| int ret; |
| |
| if (mutex_lock_interruptible(&fdtv->avc_mutex)) |
| return -EINTR; |
| |
| ret = fdtv->backend->read(fdtv, addr, buf, len); |
| if (ret < 0) |
| dev_err(fdtv->device, "CMP: read I/O error\n"); |
| |
| mutex_unlock(&fdtv->avc_mutex); |
| return ret; |
| } |
| |
| static int cmp_lock(struct firedtv *fdtv, void *data, u64 addr, __be32 arg) |
| { |
| int ret; |
| |
| if (mutex_lock_interruptible(&fdtv->avc_mutex)) |
| return -EINTR; |
| |
| ret = fdtv->backend->lock(fdtv, addr, data, arg); |
| if (ret < 0) |
| dev_err(fdtv->device, "CMP: lock I/O error\n"); |
| |
| mutex_unlock(&fdtv->avc_mutex); |
| return ret; |
| } |
| |
| static inline u32 get_opcr(__be32 opcr, u32 mask, u32 shift) |
| { |
| return (be32_to_cpu(opcr) >> shift) & mask; |
| } |
| |
| static inline void set_opcr(__be32 *opcr, u32 value, u32 mask, u32 shift) |
| { |
| *opcr &= ~cpu_to_be32(mask << shift); |
| *opcr |= cpu_to_be32((value & mask) << shift); |
| } |
| |
| #define get_opcr_online(v) get_opcr((v), 0x1, 31) |
| #define get_opcr_p2p_connections(v) get_opcr((v), 0x3f, 24) |
| #define get_opcr_channel(v) get_opcr((v), 0x3f, 16) |
| |
| #define set_opcr_p2p_connections(p, v) set_opcr((p), (v), 0x3f, 24) |
| #define set_opcr_channel(p, v) set_opcr((p), (v), 0x3f, 16) |
| #define set_opcr_data_rate(p, v) set_opcr((p), (v), 0x3, 14) |
| #define set_opcr_overhead_id(p, v) set_opcr((p), (v), 0xf, 10) |
| |
| int cmp_establish_pp_connection(struct firedtv *fdtv, int plug, int channel) |
| { |
| __be32 old_opcr, opcr; |
| u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); |
| int attempts = 0; |
| int ret; |
| |
| ret = cmp_read(fdtv, &opcr, opcr_address, 4); |
| if (ret < 0) |
| return ret; |
| |
| repeat: |
| if (!get_opcr_online(opcr)) { |
| dev_err(fdtv->device, "CMP: output offline\n"); |
| return -EBUSY; |
| } |
| |
| old_opcr = opcr; |
| |
| if (get_opcr_p2p_connections(opcr)) { |
| if (get_opcr_channel(opcr) != channel) { |
| dev_err(fdtv->device, "CMP: cannot change channel\n"); |
| return -EBUSY; |
| } |
| dev_info(fdtv->device, "CMP: overlaying connection\n"); |
| |
| /* We don't allocate isochronous resources. */ |
| } else { |
| set_opcr_channel(&opcr, channel); |
| set_opcr_data_rate(&opcr, 2); /* S400 */ |
| |
| /* FIXME: this is for the worst case - optimize */ |
| set_opcr_overhead_id(&opcr, 0); |
| |
| /* |
| * FIXME: allocate isochronous channel and bandwidth at IRM |
| * fdtv->backend->alloc_resources(fdtv, channels_mask, bw); |
| */ |
| } |
| |
| set_opcr_p2p_connections(&opcr, get_opcr_p2p_connections(opcr) + 1); |
| |
| ret = cmp_lock(fdtv, &opcr, opcr_address, old_opcr); |
| if (ret < 0) |
| return ret; |
| |
| if (old_opcr != opcr) { |
| /* |
| * FIXME: if old_opcr.P2P_Connections > 0, |
| * deallocate isochronous channel and bandwidth at IRM |
| * if (...) |
| * fdtv->backend->dealloc_resources(fdtv, channel, bw); |
| */ |
| |
| if (++attempts < 6) /* arbitrary limit */ |
| goto repeat; |
| return -EBUSY; |
| } |
| |
| return 0; |
| } |
| |
| void cmp_break_pp_connection(struct firedtv *fdtv, int plug, int channel) |
| { |
| __be32 old_opcr, opcr; |
| u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); |
| int attempts = 0; |
| |
| if (cmp_read(fdtv, &opcr, opcr_address, 4) < 0) |
| return; |
| |
| repeat: |
| if (!get_opcr_online(opcr) || !get_opcr_p2p_connections(opcr) || |
| get_opcr_channel(opcr) != channel) { |
| dev_err(fdtv->device, "CMP: no connection to break\n"); |
| return; |
| } |
| |
| old_opcr = opcr; |
| set_opcr_p2p_connections(&opcr, get_opcr_p2p_connections(opcr) - 1); |
| |
| if (cmp_lock(fdtv, &opcr, opcr_address, old_opcr) < 0) |
| return; |
| |
| if (old_opcr != opcr) { |
| /* |
| * FIXME: if old_opcr.P2P_Connections == 1, i.e. we were last |
| * owner, deallocate isochronous channel and bandwidth at IRM |
| * if (...) |
| * fdtv->backend->dealloc_resources(fdtv, channel, bw); |
| */ |
| |
| if (++attempts < 6) /* arbitrary limit */ |
| goto repeat; |
| } |
| } |