diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/media/firewire/Kconfig | 23 | ||||
| -rw-r--r-- | drivers/media/firewire/Makefile | 5 | ||||
| -rw-r--r-- | drivers/media/firewire/firedtv-avc.c | 1473 | ||||
| -rw-r--r-- | drivers/media/firewire/firedtv-ci.c | 255 | ||||
| -rw-r--r-- | drivers/media/firewire/firedtv-dvb.c | 244 | ||||
| -rw-r--r-- | drivers/media/firewire/firedtv-fe.c | 250 | ||||
| -rw-r--r-- | drivers/media/firewire/firedtv-fw.c | 432 | ||||
| -rw-r--r-- | drivers/media/firewire/firedtv-rc.c | 193 | ||||
| -rw-r--r-- | drivers/media/firewire/firedtv.h | 167 |
9 files changed, 3042 insertions, 0 deletions
diff --git a/drivers/media/firewire/Kconfig b/drivers/media/firewire/Kconfig new file mode 100644 index 000000000..0c1f326f5 --- /dev/null +++ b/drivers/media/firewire/Kconfig @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0-only +if DVB_CORE && FIREWIRE +comment "FireWire (IEEE 1394) Adapters" + +config DVB_FIREDTV + tristate "FireDTV and FloppyDTV" + help + Support for DVB receivers from Digital Everywhere + which are connected via IEEE 1394 (FireWire). + + These devices don't have an MPEG decoder built in, + so you need an external software decoder to watch TV. + + To compile this driver as a module, say M here: + the module will be called firedtv. + +if DVB_FIREDTV + +config DVB_FIREDTV_INPUT + def_bool INPUT = y || (INPUT = m && DVB_FIREDTV = m) + +endif # DVB_FIREDTV +endif # DVB_CORE && FIREWIRE diff --git a/drivers/media/firewire/Makefile b/drivers/media/firewire/Makefile new file mode 100644 index 000000000..d5551e638 --- /dev/null +++ b/drivers/media/firewire/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-$(CONFIG_DVB_FIREDTV) += firedtv.o + +firedtv-y += firedtv-avc.o firedtv-ci.o firedtv-dvb.o firedtv-fe.o firedtv-fw.o +firedtv-$(CONFIG_DVB_FIREDTV_INPUT) += firedtv-rc.o diff --git a/drivers/media/firewire/firedtv-avc.c b/drivers/media/firewire/firedtv-avc.c new file mode 100644 index 000000000..71991f863 --- /dev/null +++ b/drivers/media/firewire/firedtv-avc.c @@ -0,0 +1,1473 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * 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> + */ + +#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 <media/dvb_frontend.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 { + u8 ctype; + u8 subunit; + u8 opcode; + u8 operand[509]; +}; + +struct avc_response_frame { + u8 response; + u8 subunit; + u8 opcode; + u8 operand[509]; +}; + +#define LAST_OPERAND (509 - 1) + +static inline void clear_operands(struct avc_command_frame *c, int from, int to) +{ + memset(&c->operand[from], 0, to - from + 1); +} + +static void pad_operands(struct avc_command_frame *c, int from) +{ + int to = ALIGN(from, 4); + + if (from <= to && to <= LAST_OPERAND) + clear_operands(c, from, to); +} + +#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)"); + +/* + * This is a workaround since there is no vendor specific command to retrieve + * ca_info using AVC. If this parameter is not used, ca_system_id will be + * filled with application_manufacturer from ca_app_info. + * Digital Everywhere have said that adding ca_info is on their TODO list. + */ +static unsigned int num_fake_ca_system_ids; +static int fake_ca_system_ids[4] = { -1, -1, -1, -1 }; +module_param_array(fake_ca_system_ids, int, &num_fake_ca_system_ids, 0644); +MODULE_PARM_DESC(fake_ca_system_ids, "If your CAM application manufacturer " + "does not have the same ca_system_id as your CAS, you can " + "override what ca_system_ids are presented to the " + "application by setting this field to an array of ids."); + +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) +{ + int err, retry; + + fdtv->avc_reply_received = false; + + for (retry = 0; retry < 6; retry++) { + if (unlikely(avc_debug)) + debug_fcp(fdtv->avc_data, fdtv->avc_data_length); + + err = fdtv_write(fdtv, FCP_COMMAND_REGISTER, + fdtv->avc_data, fdtv->avc_data_length); + if (err) { + dev_err(fdtv->device, "FCP command write failed\n"); + + return err; + } + + /* + * 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) + return 0; + } + dev_err(fdtv->device, "FCP response timed out\n"); + + return -ETIMEDOUT; +} + +static bool is_register_rc(struct avc_response_frame *r) +{ + return r->opcode == AVC_OPCODE_VENDOR && + 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; +} + +int avc_recv(struct firedtv *fdtv, void *data, size_t length) +{ + struct avc_response_frame *r = data; + + if (unlikely(avc_debug)) + debug_fcp(data, length); + + if (length >= 8 && is_register_rc(r)) { + switch (r->response) { + case AVC_RESPONSE_CHANGED: + fdtv_handle_rc(fdtv, r->operand[4] << 8 | r->operand[5]); + schedule_work(&fdtv->remote_ctrl_work); + break; + case AVC_RESPONSE_INTERIM: + if (is_register_rc((void *)fdtv->avc_data)) + goto wake; + break; + default: + 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->avc_data, data, length); + fdtv->avc_data_length = length; +wake: + 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 int avc_tuner_tuneqpsk(struct firedtv *fdtv, + struct dtv_frontend_properties *p) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + + 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] = (p->frequency >> 24) & 0xff; + c->operand[5] = (p->frequency >> 16) & 0xff; + c->operand[6] = (p->frequency >> 8) & 0xff; + c->operand[7] = p->frequency & 0xff; + + c->operand[8] = ((p->symbol_rate / 1000) >> 8) & 0xff; + c->operand[9] = (p->symbol_rate / 1000) & 0xff; + + switch (p->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) { + if (fdtv->fe.dtv_property_cache.delivery_system == SYS_DVBS2) { + switch (fdtv->fe.dtv_property_cache.modulation) { + case QAM_16: c->operand[13] = 0x1; break; + case QPSK: c->operand[13] = 0x2; break; + case PSK_8: c->operand[13] = 0x3; break; + default: c->operand[13] = 0x2; break; + } + switch (fdtv->fe.dtv_property_cache.rolloff) { + case ROLLOFF_35: c->operand[14] = 0x2; break; + case ROLLOFF_20: c->operand[14] = 0x0; break; + case ROLLOFF_25: c->operand[14] = 0x1; break; + case ROLLOFF_AUTO: + default: c->operand[14] = 0x2; break; + /* case ROLLOFF_NONE: c->operand[14] = 0xff; break; */ + } + switch (fdtv->fe.dtv_property_cache.pilot) { + case PILOT_AUTO: c->operand[15] = 0x0; break; + case PILOT_OFF: c->operand[15] = 0x0; break; + case PILOT_ON: c->operand[15] = 0x1; break; + } + } else { + c->operand[13] = 0x1; /* auto modulation */ + c->operand[14] = 0xff; /* disable rolloff */ + c->operand[15] = 0xff; /* disable pilot */ + } + return 16; + } else { + return 13; + } +} + +static int avc_tuner_dsd_dvb_c(struct firedtv *fdtv, + struct dtv_frontend_properties *p) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + + 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 */ + | (p->fec_inner != FEC_AUTO ? 1 << 1 : 0) + | (p->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] = (((p->frequency / 4000) >> 16) & 0xff) | (2 << 6); + c->operand[12] = ((p->frequency / 4000) >> 8) & 0xff; + c->operand[13] = (p->frequency / 4000) & 0xff; + c->operand[14] = ((p->symbol_rate / 1000) >> 12) & 0xff; + c->operand[15] = ((p->symbol_rate / 1000) >> 4) & 0xff; + c->operand[16] = ((p->symbol_rate / 1000) << 4) & 0xf0; + c->operand[17] = 0x00; + + switch (p->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 (p->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; + + return 22 + add_pid_filter(fdtv, &c->operand[22]); +} + +static int avc_tuner_dsd_dvb_t(struct firedtv *fdtv, + struct dtv_frontend_properties *p) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + + 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 */ + | (p->bandwidth_hz != 0 ? 1 << 5 : 0) + | (p->modulation != QAM_AUTO ? 1 << 4 : 0) + | (p->hierarchy != HIERARCHY_AUTO ? 1 << 3 : 0) + | (p->code_rate_HP != FEC_AUTO ? 1 << 2 : 0) + | (p->code_rate_LP != FEC_AUTO ? 1 << 1 : 0) + | (p->guard_interval != GUARD_INTERVAL_AUTO ? 1 << 0 : 0); + + /* multiplex_valid_flags, low byte */ + c->operand[6] = + 0 << 7 /* NetworkID */ + | (p->transmission_mode != TRANSMISSION_MODE_AUTO ? 1 << 6 : 0) + | 0 << 5 /* OtherFrequencyFlag */ + | 0 << 0 /* reserved */ ; + + c->operand[7] = 0x0; + c->operand[8] = (p->frequency / 10) >> 24; + c->operand[9] = ((p->frequency / 10) >> 16) & 0xff; + c->operand[10] = ((p->frequency / 10) >> 8) & 0xff; + c->operand[11] = (p->frequency / 10) & 0xff; + + switch (p->bandwidth_hz) { + case 7000000: c->operand[12] = 0x20; break; + case 8000000: + case 6000000: /* not defined by AVC spec */ + case 0: + default: c->operand[12] = 0x00; + } + + switch (p->modulation) { + 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 (p->hierarchy) { + 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 (p->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 (p->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 (p->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 (p->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] */ + + return 17 + add_pid_filter(fdtv, &c->operand[17]); +} + +int avc_tuner_dsd(struct firedtv *fdtv, + struct dtv_frontend_properties *p) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + int pos, ret; + + mutex_lock(&fdtv->avc_mutex); + + c->ctype = AVC_CTYPE_CONTROL; + c->subunit = AVC_SUBUNIT_TYPE_TUNER | fdtv->subunit; + + switch (fdtv->type) { + case FIREDTV_DVB_S: + case FIREDTV_DVB_S2: pos = avc_tuner_tuneqpsk(fdtv, p); break; + case FIREDTV_DVB_C: pos = avc_tuner_dsd_dvb_c(fdtv, p); break; + case FIREDTV_DVB_T: pos = avc_tuner_dsd_dvb_t(fdtv, p); break; + default: + BUG(); + } + pad_operands(c, pos); + + fdtv->avc_data_length = ALIGN(3 + pos, 4); + ret = avc_write(fdtv); +#if 0 + /* + * FIXME: + * u8 *status was an out-parameter of avc_tuner_dsd, unused by caller. + * Check for AVC_RESPONSE_ACCEPTED here instead? + */ + if (status) + *status = r->operand[2]; +#endif + mutex_unlock(&fdtv->avc_mutex); + + if (ret == 0) + msleep(500); + + return ret; +} + +int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[]) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + int ret, pos, k; + + if (pidc > 16 && pidc != 0xff) + return -EINVAL; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + } + pad_operands(c, pos); + + fdtv->avc_data_length = ALIGN(3 + pos, 4); + ret = avc_write(fdtv); + + /* FIXME: check response code? */ + + mutex_unlock(&fdtv->avc_mutex); + + if (ret == 0) + msleep(50); + + return ret; +} + +int avc_tuner_get_ts(struct firedtv *fdtv) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + int ret, sl; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + /* + * operand[7]: valid_flags[0] + * operand[8]: valid_flags[1] + * operand[7 + sl]: nr_of_dsit_sel_specs (always 0) + */ + clear_operands(c, 7, 24); + + fdtv->avc_data_length = fdtv->type == FIREDTV_DVB_T ? 24 : 28; + ret = avc_write(fdtv); + + /* FIXME: check response code? */ + + mutex_unlock(&fdtv->avc_mutex); + + if (ret == 0) + msleep(250); + + return ret; +} + +int avc_identify_subunit(struct firedtv *fdtv) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + struct avc_response_frame *r = (void *)fdtv->avc_data; + int ret; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + clear_operands(c, 7, 8); /* padding */ + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + if (ret < 0) + goto out; + + 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"); + ret = -EINVAL; + } +out: + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +#define SIZEOF_ANTENNA_INPUT_INFO 22 + +int avc_tuner_status(struct firedtv *fdtv, struct firedtv_tuner_status *stat) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + struct avc_response_frame *r = (void *)fdtv->avc_data; + int length, ret; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + /* + * operand[2]: reserved + * operand[3]: SIZEOF_ANTENNA_INPUT_INFO >> 8 + * operand[4]: SIZEOF_ANTENNA_INPUT_INFO & 0xff + */ + clear_operands(c, 2, 31); + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + if (ret < 0) + goto out; + + if (r->response != AVC_RESPONSE_STABLE && + r->response != AVC_RESPONSE_ACCEPTED) { + dev_err(fdtv->device, "cannot read tuner status\n"); + ret = -EINVAL; + goto out; + } + + length = r->operand[9]; + if (r->operand[1] != 0x10 || length != SIZEOF_ANTENNA_INPUT_INFO) { + dev_err(fdtv->device, "got invalid tuner status\n"); + ret = -EINVAL; + goto out; + } + + 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; +out: + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst, + char conttone, char nrdiseq, + struct dvb_diseqc_master_cmd *diseqcmd) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + struct avc_response_frame *r = (void *)fdtv->avc_data; + int pos, j, k, ret; + + mutex_lock(&fdtv->avc_mutex); + + 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; + + pos = 6; + for (j = 0; j < nrdiseq; j++) { + c->operand[pos++] = diseqcmd[j].msg_len; + + for (k = 0; k < diseqcmd[j].msg_len; k++) + c->operand[pos++] = diseqcmd[j].msg[k]; + } + c->operand[pos++] = burst; + c->operand[pos++] = conttone; + pad_operands(c, pos); + + fdtv->avc_data_length = ALIGN(3 + pos, 4); + ret = avc_write(fdtv); + if (ret < 0) + goto out; + + if (r->response != AVC_RESPONSE_ACCEPTED) { + dev_err(fdtv->device, "LNB control failed\n"); + ret = -EINVAL; + } +out: + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +int avc_register_remote_control(struct firedtv *fdtv) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + int ret; + + mutex_lock(&fdtv->avc_mutex); + + 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->operand[4] = 0; /* padding */ + + fdtv->avc_data_length = 8; + ret = avc_write(fdtv); + + /* FIXME: check response code? */ + + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +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) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + int ret; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + clear_operands(c, 6, 8); + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + + /* FIXME: check response code? */ + + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} +#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, unsigned char *app_info, + unsigned int *len) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + struct avc_response_frame *r = (void *)fdtv->avc_data; + int pos, ret; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + clear_operands(c, 6, LAST_OPERAND); + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + if (ret < 0) + goto out; + + /* 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; +out: + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +int avc_ca_info(struct firedtv *fdtv, unsigned char *app_info, + unsigned int *len) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + struct avc_response_frame *r = (void *)fdtv->avc_data; + int i, pos, ret; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + clear_operands(c, 6, LAST_OPERAND); + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + if (ret < 0) + goto out; + + /* FIXME: check response code and validate response data */ + + 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; + if (num_fake_ca_system_ids == 0) { + app_info[3] = 2; + app_info[4] = r->operand[pos + 0]; + app_info[5] = r->operand[pos + 1]; + } else { + app_info[3] = num_fake_ca_system_ids * 2; + for (i = 0; i < num_fake_ca_system_ids; i++) { + app_info[4 + i * 2] = + (fake_ca_system_ids[i] >> 8) & 0xff; + app_info[5 + i * 2] = fake_ca_system_ids[i] & 0xff; + } + } + *len = app_info[3] + 4; +out: + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +int avc_ca_reset(struct firedtv *fdtv) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + int ret; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + + /* FIXME: check response code? */ + + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +int avc_ca_pmt(struct firedtv *fdtv, char *msg, int length) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + struct avc_response_frame *r = (void *)fdtv->avc_data; + int list_management; + int program_info_length; + int pmt_cmd_id; + int read_pos; + int write_pos; + int es_info_length; + int crc32_csum; + int ret; + + if (unlikely(avc_debug & AVC_DEBUG_APPLICATION_PMT)) + debug_pmt(msg, length); + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + /* Use three bytes for length field in case length > 127 */ + c->operand[10] = list_management; + c->operand[11] = 0x01; /* pmt_cmd=OK_descramble */ + + /* TS program map table */ + + c->operand[12] = 0x02; /* Table id=2 */ + c->operand[13] = 0x80; /* Section syntax + length */ + + c->operand[15] = msg[1]; /* Program number */ + c->operand[16] = msg[2]; + c->operand[17] = msg[3]; /* Version number and current/next */ + c->operand[18] = 0x00; /* Section number=0 */ + c->operand[19] = 0x00; /* Last section number=0 */ + c->operand[20] = 0x1f; /* PCR_PID=1FFF */ + c->operand[21] = 0xff; + c->operand[22] = (program_info_length >> 8); /* Program info length */ + c->operand[23] = (program_info_length & 0xff); + + /* CA descriptors at programme level */ + read_pos = 6; + write_pos = 24; + 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); + if (program_info_length > sizeof(c->operand) - 4 - write_pos) { + ret = -EINVAL; + goto out; + } + + memcpy(&c->operand[write_pos], &msg[read_pos], + program_info_length); + read_pos += program_info_length; + write_pos += program_info_length; + } + while (read_pos + 4 < length) { + if (write_pos + 4 >= sizeof(c->operand) - 4) { + ret = -EINVAL; + goto out; + } + 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) { + if (read_pos >= length) { + ret = -EINVAL; + goto out; + } + 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); + + if (es_info_length > sizeof(c->operand) - 4 - write_pos || + es_info_length > length - read_pos) { + ret = -EINVAL; + goto out; + } + + memcpy(&c->operand[write_pos], &msg[read_pos], + es_info_length); + read_pos += es_info_length; + write_pos += es_info_length; + } + } + write_pos += 4; /* CRC */ + + c->operand[7] = 0x82; + c->operand[8] = (write_pos - 10) >> 8; + c->operand[9] = (write_pos - 10) & 0xff; + c->operand[14] = write_pos - 15; + + 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; + pad_operands(c, write_pos); + + fdtv->avc_data_length = ALIGN(3 + write_pos, 4); + ret = avc_write(fdtv); + if (ret < 0) + goto out; + + if (r->response != AVC_RESPONSE_ACCEPTED) { + dev_err(fdtv->device, + "CA PMT failed with response 0x%x\n", r->response); + ret = -EACCES; + } +out: + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +int avc_ca_get_time_date(struct firedtv *fdtv, int *interval) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + struct avc_response_frame *r = (void *)fdtv->avc_data; + int ret; + + mutex_lock(&fdtv->avc_mutex); + + 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 */ + clear_operands(c, 6, LAST_OPERAND); + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + if (ret < 0) + goto out; + + /* FIXME: check response code and validate response data */ + + *interval = r->operand[get_ca_object_pos(r)]; +out: + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +int avc_ca_enter_menu(struct firedtv *fdtv) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + int ret; + + mutex_lock(&fdtv->avc_mutex); + + 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; + clear_operands(c, 6, 8); + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + + /* FIXME: check response code? */ + + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len) +{ + struct avc_command_frame *c = (void *)fdtv->avc_data; + struct avc_response_frame *r = (void *)fdtv->avc_data; + int ret; + + mutex_lock(&fdtv->avc_mutex); + + 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; + clear_operands(c, 6, LAST_OPERAND); + + fdtv->avc_data_length = 12; + ret = avc_write(fdtv); + if (ret < 0) + goto out; + + /* 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); +out: + mutex_unlock(&fdtv->avc_mutex); + + return ret; +} + +#define CMP_OUTPUT_PLUG_CONTROL_REG_0 0xfffff0000904ULL + +static int cmp_read(struct firedtv *fdtv, u64 addr, __be32 *data) +{ + int ret; + + ret = fdtv_read(fdtv, addr, data); + if (ret < 0) + dev_err(fdtv->device, "CMP: read I/O error\n"); + + return ret; +} + +static int cmp_lock(struct firedtv *fdtv, u64 addr, __be32 data[]) +{ + int ret; + + ret = fdtv_lock(fdtv, addr, data); + if (ret < 0) + dev_err(fdtv->device, "CMP: lock I/O error\n"); + + 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[2]; + u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); + int attempts = 0; + int ret; + + ret = cmp_read(fdtv, opcr_address, opcr); + 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 */ + } + + set_opcr_p2p_connections(opcr, get_opcr_p2p_connections(*opcr) + 1); + + opcr[1] = *opcr; + opcr[0] = old_opcr; + + ret = cmp_lock(fdtv, opcr_address, 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 (++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[2]; + u64 opcr_address = CMP_OUTPUT_PLUG_CONTROL_REG_0 + (plug << 2); + int attempts = 0; + + if (cmp_read(fdtv, opcr_address, opcr) < 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); + + opcr[1] = *opcr; + opcr[0] = old_opcr; + + if (cmp_lock(fdtv, opcr_address, 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; + } +} diff --git a/drivers/media/firewire/firedtv-ci.c b/drivers/media/firewire/firedtv-ci.c new file mode 100644 index 000000000..e0d57e09d --- /dev/null +++ b/drivers/media/firewire/firedtv-ci.c @@ -0,0 +1,255 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * FireDTV driver (formerly known as FireSAT) + * + * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> + * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> + */ + +#include <linux/device.h> +#include <linux/dvb/ca.h> +#include <linux/fs.h> +#include <linux/module.h> + +#include <media/dvbdev.h> + +#include "firedtv.h" + +#define EN50221_TAG_APP_INFO_ENQUIRY 0x9f8020 +#define EN50221_TAG_CA_INFO_ENQUIRY 0x9f8030 +#define EN50221_TAG_CA_PMT 0x9f8032 +#define EN50221_TAG_ENTER_MENU 0x9f8022 + +static int fdtv_ca_ready(struct firedtv_tuner_status *stat) +{ + return stat->ca_initialization_status == 1 && + stat->ca_error_flag == 0 && + stat->ca_dvb_flag == 1 && + stat->ca_module_present_status == 1; +} + +static int fdtv_get_ca_flags(struct firedtv_tuner_status *stat) +{ + int flags = 0; + + if (stat->ca_module_present_status == 1) + flags |= CA_CI_MODULE_PRESENT; + if (stat->ca_initialization_status == 1 && + stat->ca_error_flag == 0 && + stat->ca_dvb_flag == 1) + flags |= CA_CI_MODULE_READY; + return flags; +} + +static int fdtv_ca_get_caps(void *arg) +{ + struct ca_caps *cap = arg; + + cap->slot_num = 1; + cap->slot_type = CA_CI; + cap->descr_num = 1; + cap->descr_type = CA_ECD; + return 0; +} + +static int fdtv_ca_get_slot_info(struct firedtv *fdtv, void *arg) +{ + struct firedtv_tuner_status stat; + struct ca_slot_info *slot = arg; + int err; + + err = avc_tuner_status(fdtv, &stat); + if (err) + return err; + + if (slot->num != 0) + return -EACCES; + + slot->type = CA_CI; + slot->flags = fdtv_get_ca_flags(&stat); + return 0; +} + +static int fdtv_ca_app_info(struct firedtv *fdtv, void *arg) +{ + struct ca_msg *reply = arg; + + return avc_ca_app_info(fdtv, reply->msg, &reply->length); +} + +static int fdtv_ca_info(struct firedtv *fdtv, void *arg) +{ + struct ca_msg *reply = arg; + + return avc_ca_info(fdtv, reply->msg, &reply->length); +} + +static int fdtv_ca_get_mmi(struct firedtv *fdtv, void *arg) +{ + struct ca_msg *reply = arg; + + return avc_ca_get_mmi(fdtv, reply->msg, &reply->length); +} + +static int fdtv_ca_get_msg(struct firedtv *fdtv, void *arg) +{ + struct firedtv_tuner_status stat; + int err; + + switch (fdtv->ca_last_command) { + case EN50221_TAG_APP_INFO_ENQUIRY: + err = fdtv_ca_app_info(fdtv, arg); + break; + case EN50221_TAG_CA_INFO_ENQUIRY: + err = fdtv_ca_info(fdtv, arg); + break; + default: + err = avc_tuner_status(fdtv, &stat); + if (err) + break; + if (stat.ca_mmi == 1) + err = fdtv_ca_get_mmi(fdtv, arg); + else { + dev_info(fdtv->device, "unhandled CA message 0x%08x\n", + fdtv->ca_last_command); + err = -EACCES; + } + } + fdtv->ca_last_command = 0; + return err; +} + +static int fdtv_ca_pmt(struct firedtv *fdtv, void *arg) +{ + struct ca_msg *msg = arg; + int data_pos; + int data_length; + int i; + + data_pos = 4; + if (msg->msg[3] & 0x80) { + data_length = 0; + for (i = 0; i < (msg->msg[3] & 0x7f); i++) + data_length = (data_length << 8) + msg->msg[data_pos++]; + } else { + data_length = msg->msg[3]; + } + if (data_length > sizeof(msg->msg) - data_pos) + return -EINVAL; + + return avc_ca_pmt(fdtv, &msg->msg[data_pos], data_length); +} + +static int fdtv_ca_send_msg(struct firedtv *fdtv, void *arg) +{ + struct ca_msg *msg = arg; + int err; + + /* Do we need a semaphore for this? */ + fdtv->ca_last_command = + (msg->msg[0] << 16) + (msg->msg[1] << 8) + msg->msg[2]; + switch (fdtv->ca_last_command) { + case EN50221_TAG_CA_PMT: + err = fdtv_ca_pmt(fdtv, arg); + break; + case EN50221_TAG_APP_INFO_ENQUIRY: + /* handled in ca_get_msg */ + err = 0; + break; + case EN50221_TAG_CA_INFO_ENQUIRY: + /* handled in ca_get_msg */ + err = 0; + break; + case EN50221_TAG_ENTER_MENU: + err = avc_ca_enter_menu(fdtv); + break; + default: + dev_err(fdtv->device, "unhandled CA message 0x%08x\n", + fdtv->ca_last_command); + err = -EACCES; + } + return err; +} + +static int fdtv_ca_ioctl(struct file *file, unsigned int cmd, void *arg) +{ + struct dvb_device *dvbdev = file->private_data; + struct firedtv *fdtv = dvbdev->priv; + struct firedtv_tuner_status stat; + int err; + + switch (cmd) { + case CA_RESET: + err = avc_ca_reset(fdtv); + break; + case CA_GET_CAP: + err = fdtv_ca_get_caps(arg); + break; + case CA_GET_SLOT_INFO: + err = fdtv_ca_get_slot_info(fdtv, arg); + break; + case CA_GET_MSG: + err = fdtv_ca_get_msg(fdtv, arg); + break; + case CA_SEND_MSG: + err = fdtv_ca_send_msg(fdtv, arg); + break; + default: + dev_info(fdtv->device, "unhandled CA ioctl %u\n", cmd); + err = -EOPNOTSUPP; + } + + /* FIXME Is this necessary? */ + avc_tuner_status(fdtv, &stat); + + return err; +} + +static __poll_t fdtv_ca_io_poll(struct file *file, poll_table *wait) +{ + return EPOLLIN; +} + +static const struct file_operations fdtv_ca_fops = { + .owner = THIS_MODULE, + .unlocked_ioctl = dvb_generic_ioctl, + .open = dvb_generic_open, + .release = dvb_generic_release, + .poll = fdtv_ca_io_poll, + .llseek = noop_llseek, +}; + +static const struct dvb_device fdtv_ca = { + .users = 1, + .readers = 1, + .writers = 1, + .fops = &fdtv_ca_fops, + .kernel_ioctl = fdtv_ca_ioctl, +}; + +int fdtv_ca_register(struct firedtv *fdtv) +{ + struct firedtv_tuner_status stat; + int err; + + if (avc_tuner_status(fdtv, &stat)) + return -EINVAL; + + if (!fdtv_ca_ready(&stat)) + return -EFAULT; + + err = dvb_register_device(&fdtv->adapter, &fdtv->cadev, + &fdtv_ca, fdtv, DVB_DEVICE_CA, 0); + + if (stat.ca_application_info == 0) + dev_err(fdtv->device, "CaApplicationInfo is not set\n"); + if (stat.ca_date_time_request == 1) + avc_ca_get_time_date(fdtv, &fdtv->ca_time_interval); + + return err; +} + +void fdtv_ca_release(struct firedtv *fdtv) +{ + dvb_unregister_device(fdtv->cadev); +} diff --git a/drivers/media/firewire/firedtv-dvb.c b/drivers/media/firewire/firedtv-dvb.c new file mode 100644 index 000000000..3b7e2f1ec --- /dev/null +++ b/drivers/media/firewire/firedtv-dvb.c @@ -0,0 +1,244 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * FireDTV driver (formerly known as FireSAT) + * + * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> + * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> + */ + +#include <linux/bitops.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/types.h> + +#include <media/dmxdev.h> +#include <media/dvb_demux.h> +#include <media/dvbdev.h> +#include <media/dvb_frontend.h> + +#include "firedtv.h" + +static int alloc_channel(struct firedtv *fdtv) +{ + int i; + + for (i = 0; i < 16; i++) + if (!__test_and_set_bit(i, &fdtv->channel_active)) + break; + return i; +} + +static void collect_channels(struct firedtv *fdtv, int *pidc, u16 pid[]) +{ + int i, n; + + for (i = 0, n = 0; i < 16; i++) + if (test_bit(i, &fdtv->channel_active)) + pid[n++] = fdtv->channel_pid[i]; + *pidc = n; +} + +static inline void dealloc_channel(struct firedtv *fdtv, int i) +{ + __clear_bit(i, &fdtv->channel_active); +} + +int fdtv_start_feed(struct dvb_demux_feed *dvbdmxfeed) +{ + struct firedtv *fdtv = dvbdmxfeed->demux->priv; + int pidc, c, ret; + u16 pids[16]; + + switch (dvbdmxfeed->type) { + case DMX_TYPE_TS: + case DMX_TYPE_SEC: + break; + default: + dev_err(fdtv->device, "can't start dmx feed: invalid type %u\n", + dvbdmxfeed->type); + return -EINVAL; + } + + if (mutex_lock_interruptible(&fdtv->demux_mutex)) + return -EINTR; + + if (dvbdmxfeed->type == DMX_TYPE_TS) { + switch (dvbdmxfeed->pes_type) { + case DMX_PES_VIDEO: + case DMX_PES_AUDIO: + case DMX_PES_TELETEXT: + case DMX_PES_PCR: + case DMX_PES_OTHER: + c = alloc_channel(fdtv); + break; + default: + dev_err(fdtv->device, + "can't start dmx feed: invalid pes type %u\n", + dvbdmxfeed->pes_type); + ret = -EINVAL; + goto out; + } + } else { + c = alloc_channel(fdtv); + } + + if (c > 15) { + dev_err(fdtv->device, "can't start dmx feed: busy\n"); + ret = -EBUSY; + goto out; + } + + dvbdmxfeed->priv = (typeof(dvbdmxfeed->priv))(unsigned long)c; + fdtv->channel_pid[c] = dvbdmxfeed->pid; + collect_channels(fdtv, &pidc, pids); + + if (dvbdmxfeed->pid == 8192) { + ret = avc_tuner_get_ts(fdtv); + if (ret) { + dealloc_channel(fdtv, c); + dev_err(fdtv->device, "can't get TS\n"); + goto out; + } + } else { + ret = avc_tuner_set_pids(fdtv, pidc, pids); + if (ret) { + dealloc_channel(fdtv, c); + dev_err(fdtv->device, "can't set PIDs\n"); + goto out; + } + } +out: + mutex_unlock(&fdtv->demux_mutex); + + return ret; +} + +int fdtv_stop_feed(struct dvb_demux_feed *dvbdmxfeed) +{ + struct dvb_demux *demux = dvbdmxfeed->demux; + struct firedtv *fdtv = demux->priv; + int pidc, c, ret; + u16 pids[16]; + + if (dvbdmxfeed->type == DMX_TYPE_TS && + !((dvbdmxfeed->ts_type & TS_PACKET) && + (demux->dmx.frontend->source != DMX_MEMORY_FE))) { + + if (dvbdmxfeed->ts_type & TS_DECODER) { + if (dvbdmxfeed->pes_type >= DMX_PES_OTHER || + !demux->pesfilter[dvbdmxfeed->pes_type]) + return -EINVAL; + + demux->pids[dvbdmxfeed->pes_type] |= 0x8000; + demux->pesfilter[dvbdmxfeed->pes_type] = NULL; + } + + if (!(dvbdmxfeed->ts_type & TS_DECODER && + dvbdmxfeed->pes_type < DMX_PES_OTHER)) + return 0; + } + + if (mutex_lock_interruptible(&fdtv->demux_mutex)) + return -EINTR; + + c = (unsigned long)dvbdmxfeed->priv; + dealloc_channel(fdtv, c); + collect_channels(fdtv, &pidc, pids); + + ret = avc_tuner_set_pids(fdtv, pidc, pids); + + mutex_unlock(&fdtv->demux_mutex); + + return ret; +} + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +int fdtv_dvb_register(struct firedtv *fdtv, const char *name) +{ + int err; + + err = dvb_register_adapter(&fdtv->adapter, name, + THIS_MODULE, fdtv->device, adapter_nr); + if (err < 0) + goto fail_log; + + /*DMX_TS_FILTERING | DMX_SECTION_FILTERING*/ + fdtv->demux.dmx.capabilities = 0; + + fdtv->demux.priv = fdtv; + fdtv->demux.filternum = 16; + fdtv->demux.feednum = 16; + fdtv->demux.start_feed = fdtv_start_feed; + fdtv->demux.stop_feed = fdtv_stop_feed; + fdtv->demux.write_to_decoder = NULL; + + err = dvb_dmx_init(&fdtv->demux); + if (err) + goto fail_unreg_adapter; + + fdtv->dmxdev.filternum = 16; + fdtv->dmxdev.demux = &fdtv->demux.dmx; + fdtv->dmxdev.capabilities = 0; + + err = dvb_dmxdev_init(&fdtv->dmxdev, &fdtv->adapter); + if (err) + goto fail_dmx_release; + + fdtv->frontend.source = DMX_FRONTEND_0; + + err = fdtv->demux.dmx.add_frontend(&fdtv->demux.dmx, &fdtv->frontend); + if (err) + goto fail_dmxdev_release; + + err = fdtv->demux.dmx.connect_frontend(&fdtv->demux.dmx, + &fdtv->frontend); + if (err) + goto fail_rem_frontend; + + err = dvb_net_init(&fdtv->adapter, &fdtv->dvbnet, &fdtv->demux.dmx); + if (err) + goto fail_disconnect_frontend; + + fdtv_frontend_init(fdtv, name); + err = dvb_register_frontend(&fdtv->adapter, &fdtv->fe); + if (err) + goto fail_net_release; + + err = fdtv_ca_register(fdtv); + if (err) + dev_info(fdtv->device, + "Conditional Access Module not enabled\n"); + return 0; + +fail_net_release: + dvb_net_release(&fdtv->dvbnet); +fail_disconnect_frontend: + fdtv->demux.dmx.close(&fdtv->demux.dmx); +fail_rem_frontend: + fdtv->demux.dmx.remove_frontend(&fdtv->demux.dmx, &fdtv->frontend); +fail_dmxdev_release: + dvb_dmxdev_release(&fdtv->dmxdev); +fail_dmx_release: + dvb_dmx_release(&fdtv->demux); +fail_unreg_adapter: + dvb_unregister_adapter(&fdtv->adapter); +fail_log: + dev_err(fdtv->device, "DVB initialization failed\n"); + return err; +} + +void fdtv_dvb_unregister(struct firedtv *fdtv) +{ + fdtv_ca_release(fdtv); + dvb_unregister_frontend(&fdtv->fe); + dvb_net_release(&fdtv->dvbnet); + fdtv->demux.dmx.close(&fdtv->demux.dmx); + fdtv->demux.dmx.remove_frontend(&fdtv->demux.dmx, &fdtv->frontend); + dvb_dmxdev_release(&fdtv->dmxdev); + dvb_dmx_release(&fdtv->demux); + dvb_unregister_adapter(&fdtv->adapter); +} diff --git a/drivers/media/firewire/firedtv-fe.c b/drivers/media/firewire/firedtv-fe.c new file mode 100644 index 000000000..a73c1aefd --- /dev/null +++ b/drivers/media/firewire/firedtv-fe.c @@ -0,0 +1,250 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * FireDTV driver (formerly known as FireSAT) + * + * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> + * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> + */ + +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/types.h> + +#include <media/dvb_frontend.h> + +#include "firedtv.h" + +static int fdtv_dvb_init(struct dvb_frontend *fe) +{ + struct firedtv *fdtv = fe->sec_priv; + int err; + + /* FIXME - allocate free channel at IRM */ + fdtv->isochannel = fdtv->adapter.num; + + err = cmp_establish_pp_connection(fdtv, fdtv->subunit, + fdtv->isochannel); + if (err) { + dev_err(fdtv->device, + "could not establish point to point connection\n"); + return err; + } + + return fdtv_start_iso(fdtv); +} + +static int fdtv_sleep(struct dvb_frontend *fe) +{ + struct firedtv *fdtv = fe->sec_priv; + + fdtv_stop_iso(fdtv); + cmp_break_pp_connection(fdtv, fdtv->subunit, fdtv->isochannel); + fdtv->isochannel = -1; + return 0; +} + +#define LNBCONTROL_DONTCARE 0xff + +static int fdtv_diseqc_send_master_cmd(struct dvb_frontend *fe, + struct dvb_diseqc_master_cmd *cmd) +{ + struct firedtv *fdtv = fe->sec_priv; + + return avc_lnb_control(fdtv, LNBCONTROL_DONTCARE, LNBCONTROL_DONTCARE, + LNBCONTROL_DONTCARE, 1, cmd); +} + +static int fdtv_diseqc_send_burst(struct dvb_frontend *fe, + enum fe_sec_mini_cmd minicmd) +{ + return 0; +} + +static int fdtv_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) +{ + struct firedtv *fdtv = fe->sec_priv; + + fdtv->tone = tone; + return 0; +} + +static int fdtv_set_voltage(struct dvb_frontend *fe, + enum fe_sec_voltage voltage) +{ + struct firedtv *fdtv = fe->sec_priv; + + fdtv->voltage = voltage; + return 0; +} + +static int fdtv_read_status(struct dvb_frontend *fe, enum fe_status *status) +{ + struct firedtv *fdtv = fe->sec_priv; + struct firedtv_tuner_status stat; + + if (avc_tuner_status(fdtv, &stat)) + return -EINVAL; + + if (stat.no_rf) + *status = 0; + else + *status = FE_HAS_SIGNAL | FE_HAS_VITERBI | FE_HAS_SYNC | + FE_HAS_CARRIER | FE_HAS_LOCK; + return 0; +} + +static int fdtv_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct firedtv *fdtv = fe->sec_priv; + struct firedtv_tuner_status stat; + + if (avc_tuner_status(fdtv, &stat)) + return -EINVAL; + + *ber = stat.ber; + return 0; +} + +static int fdtv_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct firedtv *fdtv = fe->sec_priv; + struct firedtv_tuner_status stat; + + if (avc_tuner_status(fdtv, &stat)) + return -EINVAL; + + *strength = stat.signal_strength << 8; + return 0; +} + +static int fdtv_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct firedtv *fdtv = fe->sec_priv; + struct firedtv_tuner_status stat; + + if (avc_tuner_status(fdtv, &stat)) + return -EINVAL; + + /* C/N[dB] = -10 * log10(snr / 65535) */ + *snr = stat.carrier_noise_ratio * 257; + return 0; +} + +static int fdtv_read_uncorrected_blocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + return -EOPNOTSUPP; +} + +static int fdtv_set_frontend(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + struct firedtv *fdtv = fe->sec_priv; + + return avc_tuner_dsd(fdtv, p); +} + +void fdtv_frontend_init(struct firedtv *fdtv, const char *name) +{ + struct dvb_frontend_ops *ops = &fdtv->fe.ops; + struct dvb_frontend_internal_info *fi = &ops->info; + + ops->init = fdtv_dvb_init; + ops->sleep = fdtv_sleep; + + ops->set_frontend = fdtv_set_frontend; + + ops->read_status = fdtv_read_status; + ops->read_ber = fdtv_read_ber; + ops->read_signal_strength = fdtv_read_signal_strength; + ops->read_snr = fdtv_read_snr; + ops->read_ucblocks = fdtv_read_uncorrected_blocks; + + ops->diseqc_send_master_cmd = fdtv_diseqc_send_master_cmd; + ops->diseqc_send_burst = fdtv_diseqc_send_burst; + ops->set_tone = fdtv_set_tone; + ops->set_voltage = fdtv_set_voltage; + + switch (fdtv->type) { + case FIREDTV_DVB_S: + ops->delsys[0] = SYS_DVBS; + + fi->frequency_min_hz = 950 * MHz; + fi->frequency_max_hz = 2150 * MHz; + fi->frequency_stepsize_hz = 125 * kHz; + fi->symbol_rate_min = 1000000; + fi->symbol_rate_max = 40000000; + + fi->caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | + FE_CAN_FEC_2_3 | + FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | + FE_CAN_FEC_7_8 | + FE_CAN_FEC_AUTO | + FE_CAN_QPSK; + break; + + case FIREDTV_DVB_S2: + ops->delsys[0] = SYS_DVBS; + ops->delsys[1] = SYS_DVBS2; + + fi->frequency_min_hz = 950 * MHz; + fi->frequency_max_hz = 2150 * MHz; + fi->frequency_stepsize_hz = 125 * kHz; + fi->symbol_rate_min = 1000000; + fi->symbol_rate_max = 40000000; + + fi->caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | + FE_CAN_FEC_2_3 | + FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | + FE_CAN_FEC_7_8 | + FE_CAN_FEC_AUTO | + FE_CAN_QPSK | + FE_CAN_2G_MODULATION; + break; + + case FIREDTV_DVB_C: + ops->delsys[0] = SYS_DVBC_ANNEX_A; + + fi->frequency_min_hz = 47 * MHz; + fi->frequency_max_hz = 866 * MHz; + fi->frequency_stepsize_hz = 62500; + fi->symbol_rate_min = 870000; + fi->symbol_rate_max = 6900000; + + fi->caps = FE_CAN_INVERSION_AUTO | + FE_CAN_QAM_16 | + FE_CAN_QAM_32 | + FE_CAN_QAM_64 | + FE_CAN_QAM_128 | + FE_CAN_QAM_256 | + FE_CAN_QAM_AUTO; + break; + + case FIREDTV_DVB_T: + ops->delsys[0] = SYS_DVBT; + + fi->frequency_min_hz = 49 * MHz; + fi->frequency_max_hz = 861 * MHz; + fi->frequency_stepsize_hz = 62500; + + fi->caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_2_3 | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO; + break; + + default: + dev_err(fdtv->device, "no frontend for model type %d\n", + fdtv->type); + } + strscpy(fi->name, name, sizeof(fi->name)); + + fdtv->fe.dvb = &fdtv->adapter; + fdtv->fe.sec_priv = fdtv; +} diff --git a/drivers/media/firewire/firedtv-fw.c b/drivers/media/firewire/firedtv-fw.c new file mode 100644 index 000000000..5f6e97a8d --- /dev/null +++ b/drivers/media/firewire/firedtv-fw.c @@ -0,0 +1,432 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * FireDTV driver -- firewire I/O backend + */ + +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/firewire.h> +#include <linux/firewire-constants.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/mm.h> +#include <linux/mod_devicetable.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/string.h> +#include <linux/types.h> +#include <linux/wait.h> +#include <linux/workqueue.h> + +#include <asm/page.h> + +#include <media/dvb_demux.h> + +#include "firedtv.h" + +static LIST_HEAD(node_list); +static DEFINE_SPINLOCK(node_list_lock); + +static inline struct fw_device *device_of(struct firedtv *fdtv) +{ + return fw_device(fdtv->device->parent); +} + +static int node_req(struct firedtv *fdtv, u64 addr, void *data, size_t len, + int tcode) +{ + struct fw_device *device = device_of(fdtv); + int rcode, generation = device->generation; + + smp_rmb(); /* node_id vs. generation */ + + rcode = fw_run_transaction(device->card, tcode, device->node_id, + generation, device->max_speed, addr, data, len); + + return rcode != RCODE_COMPLETE ? -EIO : 0; +} + +int fdtv_lock(struct firedtv *fdtv, u64 addr, void *data) +{ + return node_req(fdtv, addr, data, 8, TCODE_LOCK_COMPARE_SWAP); +} + +int fdtv_read(struct firedtv *fdtv, u64 addr, void *data) +{ + return node_req(fdtv, addr, data, 4, TCODE_READ_QUADLET_REQUEST); +} + +int fdtv_write(struct firedtv *fdtv, u64 addr, void *data, size_t len) +{ + return node_req(fdtv, addr, data, len, TCODE_WRITE_BLOCK_REQUEST); +} + +#define ISO_HEADER_SIZE 4 +#define CIP_HEADER_SIZE 8 +#define MPEG2_TS_HEADER_SIZE 4 +#define MPEG2_TS_SOURCE_PACKET_SIZE (4 + 188) + +#define MAX_PACKET_SIZE 1024 /* 776, rounded up to 2^n */ +#define PACKETS_PER_PAGE (PAGE_SIZE / MAX_PACKET_SIZE) +#define N_PACKETS 64 /* buffer size */ +#define N_PAGES DIV_ROUND_UP(N_PACKETS, PACKETS_PER_PAGE) +#define IRQ_INTERVAL 16 + +struct fdtv_ir_context { + struct fw_iso_context *context; + struct fw_iso_buffer buffer; + int interrupt_packet; + int current_packet; + char *pages[N_PAGES]; +}; + +static int queue_iso(struct fdtv_ir_context *ctx, int index) +{ + struct fw_iso_packet p; + + p.payload_length = MAX_PACKET_SIZE; + p.interrupt = !(++ctx->interrupt_packet & (IRQ_INTERVAL - 1)); + p.skip = 0; + p.header_length = ISO_HEADER_SIZE; + + return fw_iso_context_queue(ctx->context, &p, &ctx->buffer, + index * MAX_PACKET_SIZE); +} + +static void handle_iso(struct fw_iso_context *context, u32 cycle, + size_t header_length, void *header, void *data) +{ + struct firedtv *fdtv = data; + struct fdtv_ir_context *ctx = fdtv->ir_context; + __be32 *h, *h_end; + int length, err, i = ctx->current_packet; + char *p, *p_end; + + for (h = header, h_end = h + header_length / 4; h < h_end; h++) { + length = be32_to_cpup(h) >> 16; + if (unlikely(length > MAX_PACKET_SIZE)) { + dev_err(fdtv->device, "length = %d\n", length); + length = MAX_PACKET_SIZE; + } + + p = ctx->pages[i / PACKETS_PER_PAGE] + + (i % PACKETS_PER_PAGE) * MAX_PACKET_SIZE; + p_end = p + length; + + for (p += CIP_HEADER_SIZE + MPEG2_TS_HEADER_SIZE; p < p_end; + p += MPEG2_TS_SOURCE_PACKET_SIZE) + dvb_dmx_swfilter_packets(&fdtv->demux, p, 1); + + err = queue_iso(ctx, i); + if (unlikely(err)) + dev_err(fdtv->device, "requeue failed\n"); + + i = (i + 1) & (N_PACKETS - 1); + } + fw_iso_context_queue_flush(ctx->context); + ctx->current_packet = i; +} + +int fdtv_start_iso(struct firedtv *fdtv) +{ + struct fdtv_ir_context *ctx; + struct fw_device *device = device_of(fdtv); + int i, err; + + ctx = kmalloc(sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->context = fw_iso_context_create(device->card, + FW_ISO_CONTEXT_RECEIVE, fdtv->isochannel, + device->max_speed, ISO_HEADER_SIZE, handle_iso, fdtv); + if (IS_ERR(ctx->context)) { + err = PTR_ERR(ctx->context); + goto fail_free; + } + + err = fw_iso_buffer_init(&ctx->buffer, device->card, + N_PAGES, DMA_FROM_DEVICE); + if (err) + goto fail_context_destroy; + + ctx->interrupt_packet = 0; + ctx->current_packet = 0; + + for (i = 0; i < N_PAGES; i++) + ctx->pages[i] = page_address(ctx->buffer.pages[i]); + + for (i = 0; i < N_PACKETS; i++) { + err = queue_iso(ctx, i); + if (err) + goto fail; + } + + err = fw_iso_context_start(ctx->context, -1, 0, + FW_ISO_CONTEXT_MATCH_ALL_TAGS); + if (err) + goto fail; + + fdtv->ir_context = ctx; + + return 0; +fail: + fw_iso_buffer_destroy(&ctx->buffer, device->card); +fail_context_destroy: + fw_iso_context_destroy(ctx->context); +fail_free: + kfree(ctx); + + return err; +} + +void fdtv_stop_iso(struct firedtv *fdtv) +{ + struct fdtv_ir_context *ctx = fdtv->ir_context; + + fw_iso_context_stop(ctx->context); + fw_iso_buffer_destroy(&ctx->buffer, device_of(fdtv)->card); + fw_iso_context_destroy(ctx->context); + kfree(ctx); +} + +static void handle_fcp(struct fw_card *card, struct fw_request *request, + int tcode, int destination, int source, int generation, + unsigned long long offset, void *payload, size_t length, + void *callback_data) +{ + struct firedtv *f, *fdtv = NULL; + struct fw_device *device; + unsigned long flags; + int su; + + if (length < 2 || (((u8 *)payload)[0] & 0xf0) != 0) + return; + + su = ((u8 *)payload)[1] & 0x7; + + spin_lock_irqsave(&node_list_lock, flags); + list_for_each_entry(f, &node_list, list) { + device = device_of(f); + if (device->generation != generation) + continue; + + smp_rmb(); /* node_id vs. generation */ + + if (device->card == card && + device->node_id == source && + (f->subunit == su || (f->subunit == 0 && su == 0x7))) { + fdtv = f; + break; + } + } + spin_unlock_irqrestore(&node_list_lock, flags); + + if (fdtv) + avc_recv(fdtv, payload, length); +} + +static struct fw_address_handler fcp_handler = { + .length = CSR_FCP_END - CSR_FCP_RESPONSE, + .address_callback = handle_fcp, +}; + +static const struct fw_address_region fcp_region = { + .start = CSR_REGISTER_BASE + CSR_FCP_RESPONSE, + .end = CSR_REGISTER_BASE + CSR_FCP_END, +}; + +static const char * const model_names[] = { + [FIREDTV_UNKNOWN] = "unknown type", + [FIREDTV_DVB_S] = "FireDTV S/CI", + [FIREDTV_DVB_C] = "FireDTV C/CI", + [FIREDTV_DVB_T] = "FireDTV T/CI", + [FIREDTV_DVB_S2] = "FireDTV S2 ", +}; + +/* Adjust the template string if models with longer names appear. */ +#define MAX_MODEL_NAME_LEN sizeof("FireDTV ????") + +static int node_probe(struct fw_unit *unit, const struct ieee1394_device_id *id) +{ + struct firedtv *fdtv; + char name[MAX_MODEL_NAME_LEN]; + int name_len, i, err; + + fdtv = kzalloc(sizeof(*fdtv), GFP_KERNEL); + if (!fdtv) + return -ENOMEM; + + dev_set_drvdata(&unit->device, fdtv); + fdtv->device = &unit->device; + fdtv->isochannel = -1; + fdtv->voltage = 0xff; + fdtv->tone = 0xff; + + mutex_init(&fdtv->avc_mutex); + init_waitqueue_head(&fdtv->avc_wait); + mutex_init(&fdtv->demux_mutex); + INIT_WORK(&fdtv->remote_ctrl_work, avc_remote_ctrl_work); + + name_len = fw_csr_string(unit->directory, CSR_MODEL, + name, sizeof(name)); + if (name_len < 0) { + err = name_len; + goto fail_free; + } + for (i = ARRAY_SIZE(model_names); --i; ) + if (strlen(model_names[i]) <= name_len && + strncmp(name, model_names[i], name_len) == 0) + break; + fdtv->type = i; + + err = fdtv_register_rc(fdtv, &unit->device); + if (err) + goto fail_free; + + spin_lock_irq(&node_list_lock); + list_add_tail(&fdtv->list, &node_list); + spin_unlock_irq(&node_list_lock); + + err = avc_identify_subunit(fdtv); + if (err) + goto fail; + + err = fdtv_dvb_register(fdtv, model_names[fdtv->type]); + if (err) + goto fail; + + avc_register_remote_control(fdtv); + + return 0; +fail: + spin_lock_irq(&node_list_lock); + list_del(&fdtv->list); + spin_unlock_irq(&node_list_lock); + fdtv_unregister_rc(fdtv); +fail_free: + kfree(fdtv); + + return err; +} + +static void node_remove(struct fw_unit *unit) +{ + struct firedtv *fdtv = dev_get_drvdata(&unit->device); + + fdtv_dvb_unregister(fdtv); + + spin_lock_irq(&node_list_lock); + list_del(&fdtv->list); + spin_unlock_irq(&node_list_lock); + + fdtv_unregister_rc(fdtv); + + kfree(fdtv); +} + +static void node_update(struct fw_unit *unit) +{ + struct firedtv *fdtv = dev_get_drvdata(&unit->device); + + if (fdtv->isochannel >= 0) + cmp_establish_pp_connection(fdtv, fdtv->subunit, + fdtv->isochannel); +} + +#define MATCH_FLAGS (IEEE1394_MATCH_VENDOR_ID | IEEE1394_MATCH_MODEL_ID | \ + IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION) + +#define DIGITAL_EVERYWHERE_OUI 0x001287 +#define AVC_UNIT_SPEC_ID_ENTRY 0x00a02d +#define AVC_SW_VERSION_ENTRY 0x010001 + +static const struct ieee1394_device_id fdtv_id_table[] = { + { + /* FloppyDTV S/CI and FloppyDTV S2 */ + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000024, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, + }, { + /* FloppyDTV T/CI */ + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000025, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, + }, { + /* FloppyDTV C/CI */ + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000026, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, + }, { + /* FireDTV S/CI and FloppyDTV S2 */ + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000034, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, + }, { + /* FireDTV T/CI */ + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000035, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, + }, { + /* FireDTV C/CI */ + .match_flags = MATCH_FLAGS, + .vendor_id = DIGITAL_EVERYWHERE_OUI, + .model_id = 0x000036, + .specifier_id = AVC_UNIT_SPEC_ID_ENTRY, + .version = AVC_SW_VERSION_ENTRY, + }, {} +}; +MODULE_DEVICE_TABLE(ieee1394, fdtv_id_table); + +static struct fw_driver fdtv_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "firedtv", + .bus = &fw_bus_type, + }, + .probe = node_probe, + .update = node_update, + .remove = node_remove, + .id_table = fdtv_id_table, +}; + +static int __init fdtv_init(void) +{ + int ret; + + ret = fw_core_add_address_handler(&fcp_handler, &fcp_region); + if (ret < 0) + return ret; + + ret = driver_register(&fdtv_driver.driver); + if (ret < 0) + fw_core_remove_address_handler(&fcp_handler); + + return ret; +} + +static void __exit fdtv_exit(void) +{ + driver_unregister(&fdtv_driver.driver); + fw_core_remove_address_handler(&fcp_handler); +} + +module_init(fdtv_init); +module_exit(fdtv_exit); + +MODULE_AUTHOR("Andreas Monitzer <andy@monitzer.com>"); +MODULE_AUTHOR("Ben Backx <ben@bbackx.com>"); +MODULE_DESCRIPTION("FireDTV DVB Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/firewire/firedtv-rc.c b/drivers/media/firewire/firedtv-rc.c new file mode 100644 index 000000000..a0af21847 --- /dev/null +++ b/drivers/media/firewire/firedtv-rc.c @@ -0,0 +1,193 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * FireDTV driver (formerly known as FireSAT) + * + * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> + */ + +#include <linux/bitops.h> +#include <linux/input.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/types.h> +#include <linux/workqueue.h> + +#include "firedtv.h" + +/* fixed table with older keycodes, geared towards MythTV */ +static const u16 oldtable[] = { + + /* code from device: 0x4501...0x451f */ + + KEY_ESC, + KEY_F9, + KEY_1, + KEY_2, + KEY_3, + KEY_4, + KEY_5, + KEY_6, + KEY_7, + KEY_8, + KEY_9, + KEY_I, + KEY_0, + KEY_ENTER, + KEY_RED, + KEY_UP, + KEY_GREEN, + KEY_F10, + KEY_SPACE, + KEY_F11, + KEY_YELLOW, + KEY_DOWN, + KEY_BLUE, + KEY_Z, + KEY_P, + KEY_PAGEDOWN, + KEY_LEFT, + KEY_W, + KEY_RIGHT, + KEY_P, + KEY_M, + + /* code from device: 0x4540...0x4542 */ + + KEY_R, + KEY_V, + KEY_C, +}; + +/* user-modifiable table for a remote as sold in 2008 */ +static const u16 keytable[] = { + + /* code from device: 0x0300...0x031f */ + + [0x00] = KEY_POWER, + [0x01] = KEY_SLEEP, + [0x02] = KEY_STOP, + [0x03] = KEY_OK, + [0x04] = KEY_RIGHT, + [0x05] = KEY_1, + [0x06] = KEY_2, + [0x07] = KEY_3, + [0x08] = KEY_LEFT, + [0x09] = KEY_4, + [0x0a] = KEY_5, + [0x0b] = KEY_6, + [0x0c] = KEY_UP, + [0x0d] = KEY_7, + [0x0e] = KEY_8, + [0x0f] = KEY_9, + [0x10] = KEY_DOWN, + [0x11] = KEY_TITLE, /* "OSD" - fixme */ + [0x12] = KEY_0, + [0x13] = KEY_F20, /* "16:9" - fixme */ + [0x14] = KEY_SCREEN, /* "FULL" - fixme */ + [0x15] = KEY_MUTE, + [0x16] = KEY_SUBTITLE, + [0x17] = KEY_RECORD, + [0x18] = KEY_TEXT, + [0x19] = KEY_AUDIO, + [0x1a] = KEY_RED, + [0x1b] = KEY_PREVIOUS, + [0x1c] = KEY_REWIND, + [0x1d] = KEY_PLAYPAUSE, + [0x1e] = KEY_NEXT, + [0x1f] = KEY_VOLUMEUP, + + /* code from device: 0x0340...0x0354 */ + + [0x20] = KEY_CHANNELUP, + [0x21] = KEY_F21, /* "4:3" - fixme */ + [0x22] = KEY_TV, + [0x23] = KEY_DVD, + [0x24] = KEY_VCR, + [0x25] = KEY_AUX, + [0x26] = KEY_GREEN, + [0x27] = KEY_YELLOW, + [0x28] = KEY_BLUE, + [0x29] = KEY_CHANNEL, /* "CH.LIST" */ + [0x2a] = KEY_VENDOR, /* "CI" - fixme */ + [0x2b] = KEY_VOLUMEDOWN, + [0x2c] = KEY_CHANNELDOWN, + [0x2d] = KEY_LAST, + [0x2e] = KEY_INFO, + [0x2f] = KEY_FORWARD, + [0x30] = KEY_LIST, + [0x31] = KEY_FAVORITES, + [0x32] = KEY_MENU, + [0x33] = KEY_EPG, + [0x34] = KEY_EXIT, +}; + +int fdtv_register_rc(struct firedtv *fdtv, struct device *dev) +{ + struct input_dev *idev; + int i, err; + + idev = input_allocate_device(); + if (!idev) + return -ENOMEM; + + fdtv->remote_ctrl_dev = idev; + idev->name = "FireDTV remote control"; + idev->dev.parent = dev; + idev->evbit[0] = BIT_MASK(EV_KEY); + idev->keycode = kmemdup(keytable, sizeof(keytable), GFP_KERNEL); + if (!idev->keycode) { + err = -ENOMEM; + goto fail; + } + idev->keycodesize = sizeof(keytable[0]); + idev->keycodemax = ARRAY_SIZE(keytable); + + for (i = 0; i < ARRAY_SIZE(keytable); i++) + set_bit(keytable[i], idev->keybit); + + err = input_register_device(idev); + if (err) + goto fail_free_keymap; + + return 0; + +fail_free_keymap: + kfree(idev->keycode); +fail: + input_free_device(idev); + return err; +} + +void fdtv_unregister_rc(struct firedtv *fdtv) +{ + cancel_work_sync(&fdtv->remote_ctrl_work); + kfree(fdtv->remote_ctrl_dev->keycode); + input_unregister_device(fdtv->remote_ctrl_dev); +} + +void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code) +{ + struct input_dev *idev = fdtv->remote_ctrl_dev; + u16 *keycode = idev->keycode; + + if (code >= 0x0300 && code <= 0x031f) + code = keycode[code - 0x0300]; + else if (code >= 0x0340 && code <= 0x0354) + code = keycode[code - 0x0320]; + else if (code >= 0x4501 && code <= 0x451f) + code = oldtable[code - 0x4501]; + else if (code >= 0x4540 && code <= 0x4542) + code = oldtable[code - 0x4521]; + else { + dev_dbg(fdtv->device, + "invalid key code 0x%04x from remote control\n", + code); + return; + } + + input_report_key(idev, code, 1); + input_sync(idev); + input_report_key(idev, code, 0); + input_sync(idev); +} diff --git a/drivers/media/firewire/firedtv.h b/drivers/media/firewire/firedtv.h new file mode 100644 index 000000000..190bb1a57 --- /dev/null +++ b/drivers/media/firewire/firedtv.h @@ -0,0 +1,167 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * FireDTV driver (formerly known as FireSAT) + * + * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> + * Copyright (C) 2008 Henrik Kurelid <henrik@kurelid.se> + */ + +#ifndef _FIREDTV_H +#define _FIREDTV_H + +#include <linux/time.h> +#include <linux/dvb/dmx.h> +#include <linux/dvb/frontend.h> +#include <linux/list.h> +#include <linux/mod_devicetable.h> +#include <linux/mutex.h> +#include <linux/spinlock_types.h> +#include <linux/types.h> +#include <linux/wait.h> +#include <linux/workqueue.h> + +#include <media/demux.h> +#include <media/dmxdev.h> +#include <media/dvb_demux.h> +#include <media/dvb_frontend.h> +#include <media/dvb_net.h> +#include <media/dvbdev.h> + +struct firedtv_tuner_status { + unsigned active_system:8; + unsigned searching:1; + unsigned moving:1; + unsigned no_rf:1; + unsigned input:1; + unsigned selected_antenna:7; + unsigned ber:32; + unsigned signal_strength:8; + unsigned raster_frequency:2; + unsigned rf_frequency:22; + unsigned man_dep_info_length:8; + unsigned front_end_error:1; + unsigned antenna_error:1; + unsigned front_end_power_status:1; + unsigned power_supply:1; + unsigned carrier_noise_ratio:16; + unsigned power_supply_voltage:8; + unsigned antenna_voltage:8; + unsigned firewire_bus_voltage:8; + unsigned ca_mmi:1; + unsigned ca_pmt_reply:1; + unsigned ca_date_time_request:1; + unsigned ca_application_info:1; + unsigned ca_module_present_status:1; + unsigned ca_dvb_flag:1; + unsigned ca_error_flag:1; + unsigned ca_initialization_status:1; +}; + +enum model_type { + FIREDTV_UNKNOWN = 0, + FIREDTV_DVB_S = 1, + FIREDTV_DVB_C = 2, + FIREDTV_DVB_T = 3, + FIREDTV_DVB_S2 = 4, +}; + +struct device; +struct input_dev; +struct fdtv_ir_context; + +struct firedtv { + struct device *device; + struct list_head list; + + struct dvb_adapter adapter; + struct dmxdev dmxdev; + struct dvb_demux demux; + struct dmx_frontend frontend; + struct dvb_net dvbnet; + struct dvb_frontend fe; + + struct dvb_device *cadev; + int ca_last_command; + int ca_time_interval; + + struct mutex avc_mutex; + wait_queue_head_t avc_wait; + bool avc_reply_received; + struct work_struct remote_ctrl_work; + struct input_dev *remote_ctrl_dev; + + enum model_type type; + char subunit; + s8 isochannel; + struct fdtv_ir_context *ir_context; + + enum fe_sec_voltage voltage; + enum fe_sec_tone_mode tone; + + struct mutex demux_mutex; + unsigned long channel_active; + u16 channel_pid[16]; + + int avc_data_length; + u8 avc_data[512]; +}; + +/* firedtv-avc.c */ +int avc_recv(struct firedtv *fdtv, void *data, size_t length); +int avc_tuner_status(struct firedtv *fdtv, struct firedtv_tuner_status *stat); +struct dtv_frontend_properties; +int avc_tuner_dsd(struct firedtv *fdtv, struct dtv_frontend_properties *params); +int avc_tuner_set_pids(struct firedtv *fdtv, unsigned char pidc, u16 pid[]); +int avc_tuner_get_ts(struct firedtv *fdtv); +int avc_identify_subunit(struct firedtv *fdtv); +struct dvb_diseqc_master_cmd; +int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst, + char conttone, char nrdiseq, + struct dvb_diseqc_master_cmd *diseqcmd); +void avc_remote_ctrl_work(struct work_struct *work); +int avc_register_remote_control(struct firedtv *fdtv); +int avc_ca_app_info(struct firedtv *fdtv, unsigned char *app_info, + unsigned int *len); +int avc_ca_info(struct firedtv *fdtv, unsigned char *app_info, + unsigned int *len); +int avc_ca_reset(struct firedtv *fdtv); +int avc_ca_pmt(struct firedtv *fdtv, char *app_info, int length); +int avc_ca_get_time_date(struct firedtv *fdtv, int *interval); +int avc_ca_enter_menu(struct firedtv *fdtv); +int avc_ca_get_mmi(struct firedtv *fdtv, char *mmi_object, unsigned int *len); +int cmp_establish_pp_connection(struct firedtv *fdtv, int plug, int channel); +void cmp_break_pp_connection(struct firedtv *fdtv, int plug, int channel); + +/* firedtv-ci.c */ +int fdtv_ca_register(struct firedtv *fdtv); +void fdtv_ca_release(struct firedtv *fdtv); + +/* firedtv-dvb.c */ +int fdtv_start_feed(struct dvb_demux_feed *dvbdmxfeed); +int fdtv_stop_feed(struct dvb_demux_feed *dvbdmxfeed); +int fdtv_dvb_register(struct firedtv *fdtv, const char *name); +void fdtv_dvb_unregister(struct firedtv *fdtv); + +/* firedtv-fe.c */ +void fdtv_frontend_init(struct firedtv *fdtv, const char *name); + +/* firedtv-fw.c */ +int fdtv_lock(struct firedtv *fdtv, u64 addr, void *data); +int fdtv_read(struct firedtv *fdtv, u64 addr, void *data); +int fdtv_write(struct firedtv *fdtv, u64 addr, void *data, size_t len); +int fdtv_start_iso(struct firedtv *fdtv); +void fdtv_stop_iso(struct firedtv *fdtv); + +/* firedtv-rc.c */ +#ifdef CONFIG_DVB_FIREDTV_INPUT +int fdtv_register_rc(struct firedtv *fdtv, struct device *dev); +void fdtv_unregister_rc(struct firedtv *fdtv); +void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code); +#else +static inline int fdtv_register_rc(struct firedtv *fdtv, + struct device *dev) { return 0; } +static inline void fdtv_unregister_rc(struct firedtv *fdtv) {} +static inline void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code) {} +#endif + +#endif /* _FIREDTV_H */ |