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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-06-14 16:35:55 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 23:20:36 -0300
commit616300bd51bee80d2d122c205866aa4c20adbaa8 (patch)
tree732800e883c2b723cb5a2bf96cc6c4c0687cac20 /drivers/media/firewire/firedtv-avc.c
parent9a0bf528b4d66b605f02634236da085595c22101 (diff)
[media] firewire: move it one level up
Move firewire to one level up, as the dvb subdirectory will be removed. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/firewire/firedtv-avc.c')
-rw-r--r--drivers/media/firewire/firedtv-avc.c1457
1 files changed, 1457 insertions, 0 deletions
diff --git a/drivers/media/firewire/firedtv-avc.c b/drivers/media/firewire/firedtv-avc.c
new file mode 100644
index 000000000000..d1a1a1324ef8
--- /dev/null
+++ b/drivers/media/firewire/firedtv-avc.c
@@ -0,0 +1,1457 @@
+/*
+ * 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 <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, 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, 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);
+
+ 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;
+ }
+ }
+ 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;
+ }
+}

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