#include "BigUnsigned.hh" // Memory management definitions have moved to the bottom of NumberlikeArray.hh. // The templates used by these constructors and converters are at the bottom of // BigUnsigned.hh. BigUnsigned::BigUnsigned(unsigned long x) { initFromPrimitive (x); } BigUnsigned::BigUnsigned(unsigned int x) { initFromPrimitive (x); } BigUnsigned::BigUnsigned(unsigned short x) { initFromPrimitive (x); } BigUnsigned::BigUnsigned( long x) { initFromSignedPrimitive(x); } BigUnsigned::BigUnsigned( int x) { initFromSignedPrimitive(x); } BigUnsigned::BigUnsigned( short x) { initFromSignedPrimitive(x); } unsigned long BigUnsigned::toUnsignedLong () const { return convertToPrimitive (); } unsigned int BigUnsigned::toUnsignedInt () const { return convertToPrimitive (); } unsigned short BigUnsigned::toUnsignedShort() const { return convertToPrimitive (); } long BigUnsigned::toLong () const { return convertToSignedPrimitive< long >(); } int BigUnsigned::toInt () const { return convertToSignedPrimitive< int >(); } short BigUnsigned::toShort () const { return convertToSignedPrimitive< short>(); } // BIT/BLOCK ACCESSORS void BigUnsigned::setBlock(Index i, Blk newBlock) { if (newBlock == 0) { if (i < len) { blk[i] = 0; zapLeadingZeros(); } // If i >= len, no effect. } else { if (i >= len) { // The nonzero block extends the number. allocateAndCopy(i+1); // Zero any added blocks that we aren't setting. for (Index j = len; j < i; j++) blk[j] = 0; len = i+1; } blk[i] = newBlock; } } /* Evidently the compiler wants BigUnsigned:: on the return type because, at * that point, it hasn't yet parsed the BigUnsigned:: on the name to get the * proper scope. */ BigUnsigned::Index BigUnsigned::bitLength() const { if (isZero()) return 0; else { Blk leftmostBlock = getBlock(len - 1); Index leftmostBlockLen = 0; while (leftmostBlock != 0) { leftmostBlock >>= 1; leftmostBlockLen++; } return leftmostBlockLen + (len - 1) * N; } } void BigUnsigned::setBit(Index bi, bool newBit) { Index blockI = bi / N; Blk block = getBlock(blockI), mask = Blk(1) << (bi % N); block = newBit ? (block | mask) : (block & ~mask); setBlock(blockI, block); } // COMPARISON BigUnsigned::CmpRes BigUnsigned::compareTo(const BigUnsigned &x) const { // A bigger length implies a bigger number. if (len < x.len) return less; else if (len > x.len) return greater; else { // Compare blocks one by one from left to right. Index i = len; while (i > 0) { i--; if (blk[i] == x.blk[i]) continue; else if (blk[i] > x.blk[i]) return greater; else return less; } // If no blocks differed, the numbers are equal. return equal; } } // COPY-LESS OPERATIONS /* * On most calls to copy-less operations, it's safe to read the inputs little by * little and write the outputs little by little. However, if one of the * inputs is coming from the same variable into which the output is to be * stored (an "aliased" call), we risk overwriting the input before we read it. * In this case, we first compute the result into a temporary BigUnsigned * variable and then copy it into the requested output variable *this. * Each put-here operation uses the DTRT_ALIASED macro (Do The Right Thing on * aliased calls) to generate code for this check. * * I adopted this approach on 2007.02.13 (see Assignment Operators in * BigUnsigned.hh). Before then, put-here operations rejected aliased calls * with an exception. I think doing the right thing is better. * * Some of the put-here operations can probably handle aliased calls safely * without the extra copy because (for example) they process blocks strictly * right-to-left. At some point I might determine which ones don't need the * copy, but my reasoning would need to be verified very carefully. For now * I'll leave in the copy. */ #define DTRT_ALIASED(cond, op) \ if (cond) { \ BigUnsigned tmpThis; \ tmpThis.op; \ *this = tmpThis; \ return; \ } void BigUnsigned::add(const BigUnsigned &a, const BigUnsigned &b) { DTRT_ALIASED(this == &a || this == &b, add(a, b)); // If one argument is zero, copy the other. if (a.len == 0) { operator =(b); return; } else if (b.len == 0) { operator =(a); return; } // Some variables... // Carries in and out of an addition stage bool carryIn, carryOut; Blk temp; Index i; // a2 points to the longer input, b2 points to the shorter const BigUnsigned *a2, *b2; if (a.len >= b.len) { a2 = &a; b2 = &b; } else { a2 = &b; b2 = &a; } // Set prelimiary length and make room in this BigUnsigned len = a2->len + 1; allocate(len); // For each block index that is present in both inputs... for (i = 0, carryIn = false; i < b2->len; i++) { // Add input blocks temp = a2->blk[i] + b2->blk[i]; // If a rollover occurred, the result is less than either input. // This test is used many times in the BigUnsigned code. carryOut = (temp < a2->blk[i]); // If a carry was input, handle it if (carryIn) { temp++; carryOut |= (temp == 0); } blk[i] = temp; // Save the addition result carryIn = carryOut; // Pass the carry along } // If there is a carry left over, increase blocks until // one does not roll over. for (; i < a2->len && carryIn; i++) { temp = a2->blk[i] + 1; carryIn = (temp == 0); blk[i] = temp; } // If the carry was resolved but the larger number // still has blocks, copy them over. for (; i < a2->len; i++) blk[i] = a2->blk[i]; // Set the extra block if there's still a carry, decrease length otherwise if (carryIn) blk[i] = 1; else len--; } void BigUnsigned::subtract(const BigUnsigned &a, const BigUnsigned &b) { DTRT_ALIASED(this == &a || this == &b, subtract(a, b)); if (b.len == 0) { // If b is zero, copy a. operator =(a); return; } else if (a.len < b.len) // If a is shorter than b, the result is negative. throw "BigUnsigned::subtract: " "Negative result in unsigned calculation"; // Some variables... bool borrowIn, borrowOut; Blk temp; Index i; // Set preliminary length and make room len = a.len; allocate(len); // For each block index that is present in both inputs... for (i = 0, borrowIn = false; i < b.len; i++) { temp = a.blk[i] - b.blk[i]; // If a reverse rollover occurred, // the result is greater than the block from a. borrowOut = (temp > a.blk[i]); // Handle an incoming borrow if (borrowIn) { borrowOut |= (temp == 0); temp--; } blk[i] = temp; // Save the subtraction result borrowIn = borrowOut; // Pass the borrow along } // If there is a borrow left over, decrease blocks until // one does not reverse rollover. for (; i < a.len && borrowIn; i++) { borrowIn = (a.blk[i] == 0); blk[i] = a.blk[i] - 1; } /* If there's still a borrow, the result is negative. * Throw an exception, but zero out this object so as to leave it in a * predictable state. */ if (borrowIn) { len = 0; throw "BigUnsigned::subtract: Negative result in unsigned calculation"; } else // Copy over the rest of the blocks for (; i < a.len; i++) blk[i] = a.blk[i]; // Zap leading zeros zapLeadingZeros(); } /* * About the multiplication and division algorithms: * * I searched unsucessfully for fast C++ built-in operations like the `b_0' * and `c_0' Knuth describes in Section 4.3.1 of ``The Art of Computer * Programming'' (replace `place' by `Blk'): * * ``b_0[:] multiplication of a one-place integer by another one-place * integer, giving a two-place answer; * * ``c_0[:] division of a two-place integer by a one-place integer, * provided that the quotient is a one-place integer, and yielding * also a one-place remainder.'' * * I also missed his note that ``[b]y adjusting the word size, if * necessary, nearly all computers will have these three operations * available'', so I gave up on trying to use algorithms similar to his. * A future version of the library might include such algorithms; I * would welcome contributions from others for this. * * I eventually decided to use bit-shifting algorithms. To multiply `a' * and `b', we zero out the result. Then, for each `1' bit in `a', we * shift `b' left the appropriate amount and add it to the result. * Similarly, to divide `a' by `b', we shift `b' left varying amounts, * repeatedly trying to subtract it from `a'. When we succeed, we note * the fact by setting a bit in the quotient. While these algorithms * have the same O(n^2) time complexity as Knuth's, the ``constant factor'' * is likely to be larger. * * Because I used these algorithms, which require single-block addition * and subtraction rather than single-block multiplication and division, * the innermost loops of all four routines are very similar. Study one * of them and all will become clear. */ /* * This is a little inline function used by both the multiplication * routine and the division routine. * * `getShiftedBlock' returns the `x'th block of `num << y'. * `y' may be anything from 0 to N - 1, and `x' may be anything from * 0 to `num.len'. * * Two things contribute to this block: * * (1) The `N - y' low bits of `num.blk[x]', shifted `y' bits left. * * (2) The `y' high bits of `num.blk[x-1]', shifted `N - y' bits right. * * But we must be careful if `x == 0' or `x == num.len', in * which case we should use 0 instead of (2) or (1), respectively. * * If `y == 0', then (2) contributes 0, as it should. However, * in some computer environments, for a reason I cannot understand, * `a >> b' means `a >> (b % N)'. This means `num.blk[x-1] >> (N - y)' * will return `num.blk[x-1]' instead of the desired 0 when `y == 0'; * the test `y == 0' handles this case specially. */ inline BigUnsigned::Blk getShiftedBlock(const BigUnsigned &num, BigUnsigned::Index x, unsigned int y) { BigUnsigned::Blk part1 = (x == 0 || y == 0) ? 0 : (num.blk[x - 1] >> (BigUnsigned::N - y)); BigUnsigned::Blk part2 = (x == num.len) ? 0 : (num.blk[x] << y); return part1 | part2; } void BigUnsigned::multiply(const BigUnsigned &a, const BigUnsigned &b) { DTRT_ALIASED(this == &a || this == &b, multiply(a, b)); // If either a or b is zero, set to zero. if (a.len == 0 || b.len == 0) { len = 0; return; } /* * Overall method: * * Set this = 0. * For each 1-bit of `a' (say the `i2'th bit of block `i'): * Add `b << (i blocks and i2 bits)' to *this. */ // Variables for the calculation Index i, j, k; unsigned int i2; Blk temp; bool carryIn, carryOut; // Set preliminary length and make room len = a.len + b.len; allocate(len); // Zero out this object for (i = 0; i < len; i++) blk[i] = 0; // For each block of the first number... for (i = 0; i < a.len; i++) { // For each 1-bit of that block... for (i2 = 0; i2 < N; i2++) { if ((a.blk[i] & (Blk(1) << i2)) == 0) continue; /* * Add b to this, shifted left i blocks and i2 bits. * j is the index in b, and k = i + j is the index in this. * * `getShiftedBlock', a short inline function defined above, * is now used for the bit handling. It replaces the more * complex `bHigh' code, in which each run of the loop dealt * immediately with the low bits and saved the high bits to * be picked up next time. The last run of the loop used to * leave leftover high bits, which were handled separately. * Instead, this loop runs an additional time with j == b.len. * These changes were made on 2005.01.11. */ for (j = 0, k = i, carryIn = false; j <= b.len; j++, k++) { /* * The body of this loop is very similar to the body of the first loop * in `add', except that this loop does a `+=' instead of a `+'. */ temp = blk[k] + getShiftedBlock(b, j, i2); carryOut = (temp < blk[k]); if (carryIn) { temp++; carryOut |= (temp == 0); } blk[k] = temp; carryIn = carryOut; } // No more extra iteration to deal with `bHigh'. // Roll-over a carry as necessary. for (; carryIn; k++) { blk[k]++; carryIn = (blk[k] == 0); } } } // Zap possible leading zero if (blk[len - 1] == 0) len--; } /* * DIVISION WITH REMAINDER * This monstrous function mods *this by the given divisor b while storing the * quotient in the given object q; at the end, *this contains the remainder. * The seemingly bizarre pattern of inputs and outputs was chosen so that the * function copies as little as possible (since it is implemented by repeated * subtraction of multiples of b from *this). * * "modWithQuotient" might be a better name for this function, but I would * rather not change the name now. */ void BigUnsigned::divideWithRemainder(const BigUnsigned &b, BigUnsigned &q) { /* Defending against aliased calls is more complex than usual because we * are writing to both *this and q. * * It would be silly to try to write quotient and remainder to the * same variable. Rule that out right away. */ if (this == &q) throw "BigUnsigned::divideWithRemainder: Cannot write quotient and remainder into the same variable"; /* Now *this and q are separate, so the only concern is that b might be * aliased to one of them. If so, use a temporary copy of b. */ if (this == &b || &q == &b) { BigUnsigned tmpB(b); divideWithRemainder(tmpB, q); return; } /* * Knuth's definition of mod (which this function uses) is somewhat * different from the C++ definition of % in case of division by 0. * * We let a / 0 == 0 (it doesn't matter much) and a % 0 == a, no * exceptions thrown. This allows us to preserve both Knuth's demand * that a mod 0 == a and the useful property that * (a / b) * b + (a % b) == a. */ if (b.len == 0) { q.len = 0; return; } /* * If *this.len < b.len, then *this < b, and we can be sure that b doesn't go into * *this at all. The quotient is 0 and *this is already the remainder (so leave it alone). */ if (len < b.len) { q.len = 0; return; } // At this point we know (*this).len >= b.len > 0. (Whew!) /* * Overall method: * * For each appropriate i and i2, decreasing: * Subtract (b << (i blocks and i2 bits)) from *this, storing the * result in subtractBuf. * If the subtraction succeeds with a nonnegative result: * Turn on bit i2 of block i of the quotient q. * Copy subtractBuf back into *this. * Otherwise bit i2 of block i remains off, and *this is unchanged. * * Eventually q will contain the entire quotient, and *this will * be left with the remainder. * * subtractBuf[x] corresponds to blk[x], not blk[x+i], since 2005.01.11. * But on a single iteration, we don't touch the i lowest blocks of blk * (and don't use those of subtractBuf) because these blocks are * unaffected by the subtraction: we are subtracting * (b << (i blocks and i2 bits)), which ends in at least `i' zero * blocks. */ // Variables for the calculation Index i, j, k; unsigned int i2; Blk temp; bool borrowIn, borrowOut; /* * Make sure we have an extra zero block just past the value. * * When we attempt a subtraction, we might shift `b' so * its first block begins a few bits left of the dividend, * and then we'll try to compare these extra bits with * a nonexistent block to the left of the dividend. The * extra zero block ensures sensible behavior; we need * an extra block in `subtractBuf' for exactly the same reason. */ Index origLen = len; // Save real length. /* To avoid an out-of-bounds access in case of reallocation, allocate * first and then increment the logical length. */ allocateAndCopy(len + 1); len++; blk[origLen] = 0; // Zero the added block. // subtractBuf holds part of the result of a subtraction; see above. Blk *subtractBuf = new Blk[len]; // Set preliminary length for quotient and make room q.len = origLen - b.len + 1; q.allocate(q.len); // Zero out the quotient for (i = 0; i < q.len; i++) q.blk[i] = 0; // For each possible left-shift of b in blocks... i = q.len; while (i > 0) { i--; // For each possible left-shift of b in bits... // (Remember, N is the number of bits in a Blk.) q.blk[i] = 0; i2 = N; while (i2 > 0) { i2--; /* * Subtract b, shifted left i blocks and i2 bits, from *this, * and store the answer in subtractBuf. In the for loop, `k == i + j'. * * Compare this to the middle section of `multiply'. They * are in many ways analogous. See especially the discussion * of `getShiftedBlock'. */ for (j = 0, k = i, borrowIn = false; j <= b.len; j++, k++) { temp = blk[k] - getShiftedBlock(b, j, i2); borrowOut = (temp > blk[k]); if (borrowIn) { borrowOut |= (temp == 0); temp--; } // Since 2005.01.11, indices of `subtractBuf' directly match those of `blk', so use `k'. subtractBuf[k] = temp; borrowIn = borrowOut; } // No more extra iteration to deal with `bHigh'. // Roll-over a borrow as necessary. for (; k < origLen && borrowIn; k++) { borrowIn = (blk[k] == 0); subtractBuf[k] = blk[k] - 1; } /* * If the subtraction was performed successfully (!borrowIn), * set bit i2 in block i of the quotient. * * Then, copy the portion of subtractBuf filled by the subtraction * back to *this. This portion starts with block i and ends-- * where? Not necessarily at block `i + b.len'! Well, we * increased k every time we saved a block into subtractBuf, so * the region of subtractBuf we copy is just [i, k). */ if (!borrowIn) { q.blk[i] |= (Blk(1) << i2); while (k > i) { k--; blk[k] = subtractBuf[k]; } } } } // Zap possible leading zero in quotient if (q.blk[q.len - 1] == 0) q.len--; // Zap any/all leading zeros in remainder zapLeadingZeros(); // Deallocate subtractBuf. // (Thanks to Brad Spencer for noticing my accidental omission of this!) delete [] subtractBuf; } /* BITWISE OPERATORS * These are straightforward blockwise operations except that they differ in * the output length and the necessity of zapLeadingZeros. */ void BigUnsigned::bitAnd(const BigUnsigned &a, const BigUnsigned &b) { DTRT_ALIASED(this == &a || this == &b, bitAnd(a, b)); // The bitwise & can't be longer than either operand. len = (a.len >= b.len) ? b.len : a.len; allocate(len); Index i; for (i = 0; i < len; i++) blk[i] = a.blk[i] & b.blk[i]; zapLeadingZeros(); } void BigUnsigned::bitOr(const BigUnsigned &a, const BigUnsigned &b) { DTRT_ALIASED(this == &a || this == &b, bitOr(a, b)); Index i; const BigUnsigned *a2, *b2; if (a.len >= b.len) { a2 = &a; b2 = &b; } else { a2 = &b; b2 = &a; } allocate(a2->len); for (i = 0; i < b2->len; i++) blk[i] = a2->blk[i] | b2->blk[i]; for (; i < a2->len; i++) blk[i] = a2->blk[i]; len = a2->len; // Doesn't need zapLeadingZeros. } void BigUnsigned::bitXor(const BigUnsigned &a, const BigUnsigned &b) { DTRT_ALIASED(this == &a || this == &b, bitXor(a, b)); Index i; const BigUnsigned *a2, *b2; if (a.len >= b.len) { a2 = &a; b2 = &b; } else { a2 = &b; b2 = &a; } allocate(a2->len); for (i = 0; i < b2->len; i++) blk[i] = a2->blk[i] ^ b2->blk[i]; for (; i < a2->len; i++) blk[i] = a2->blk[i]; len = a2->len; zapLeadingZeros(); } void BigUnsigned::bitShiftLeft(const BigUnsigned &a, int b) { DTRT_ALIASED(this == &a, bitShiftLeft(a, b)); if (b < 0) { if (b << 1 == 0) throw "BigUnsigned::bitShiftLeft: " "Pathological shift amount not implemented"; else { bitShiftRight(a, -b); return; } } Index shiftBlocks = b / N; unsigned int shiftBits = b % N; // + 1: room for high bits nudged left into another block len = a.len + shiftBlocks + 1; allocate(len); Index i, j; for (i = 0; i < shiftBlocks; i++) blk[i] = 0; for (j = 0, i = shiftBlocks; j <= a.len; j++, i++) blk[i] = getShiftedBlock(a, j, shiftBits); // Zap possible leading zero if (blk[len - 1] == 0) len--; } void BigUnsigned::bitShiftRight(const BigUnsigned &a, int b) { DTRT_ALIASED(this == &a, bitShiftRight(a, b)); if (b < 0) { if (b << 1 == 0) throw "BigUnsigned::bitShiftRight: " "Pathological shift amount not implemented"; else { bitShiftLeft(a, -b); return; } } // This calculation is wacky, but expressing the shift as a left bit shift // within each block lets us use getShiftedBlock. Index rightShiftBlocks = (b + N - 1) / N; unsigned int leftShiftBits = N * rightShiftBlocks - b; // Now (N * rightShiftBlocks - leftShiftBits) == b // and 0 <= leftShiftBits < N. if (rightShiftBlocks >= a.len + 1) { // All of a is guaranteed to be shifted off, even considering the left // bit shift. len = 0; return; } // Now we're allocating a positive amount. // + 1: room for high bits nudged left into another block len = a.len + 1 - rightShiftBlocks; allocate(len); Index i, j; for (j = rightShiftBlocks, i = 0; j <= a.len; j++, i++) blk[i] = getShiftedBlock(a, j, leftShiftBits); // Zap possible leading zero if (blk[len - 1] == 0) len--; } // INCREMENT/DECREMENT OPERATORS // Prefix increment void BigUnsigned::operator ++() { Index i; bool carry = true; for (i = 0; i < len && carry; i++) { blk[i]++; carry = (blk[i] == 0); } if (carry) { // Allocate and then increase length, as in divideWithRemainder allocateAndCopy(len + 1); len++; blk[i] = 1; } } // Postfix increment: same as prefix void BigUnsigned::operator ++(int) { operator ++(); } // Prefix decrement void BigUnsigned::operator --() { if (len == 0) throw "BigUnsigned::operator --(): Cannot decrement an unsigned zero"; Index i; bool borrow = true; for (i = 0; borrow; i++) { borrow = (blk[i] == 0); blk[i]--; } // Zap possible leading zero (there can only be one) if (blk[len - 1] == 0) len--; } // Postfix decrement: same as prefix void BigUnsigned::operator --(int) { operator --(); } ='#n541'>541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197
#
# Copyright (C) 2006-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

OTHER_MENU:=Other modules

WATCHDOG_DIR:=watchdog


define KernelPackage/6lowpan
  SUBMENU:=$(OTHER_MENU)
  TITLE:=6LoWPAN shared code
  KCONFIG:= \
	CONFIG_6LOWPAN \
	CONFIG_6LOWPAN_NHC=n
  FILES:=$(LINUX_DIR)/net/6lowpan/6lowpan.ko
  AUTOLOAD:=$(call AutoProbe,6lowpan)
endef

define KernelPackage/6lowpan/description
  Shared 6lowpan code for IEEE 802.15.4 and Bluetooth.
endef

$(eval $(call KernelPackage,6lowpan))


define KernelPackage/bluetooth
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Bluetooth support
  DEPENDS:=@USB_SUPPORT +kmod-usb-core +kmod-crypto-hash +kmod-crypto-ecb +kmod-lib-crc16 +kmod-hid +kmod-crypto-cmac +kmod-regmap-core +!LINUX_4_9:kmod-crypto-ecdh
  KCONFIG:= \
	CONFIG_BT \
	CONFIG_BT_BREDR=y \
	CONFIG_BT_DEBUGFS=n \
	CONFIG_BT_LE=y \
	CONFIG_BT_RFCOMM \
	CONFIG_BT_BNEP \
	CONFIG_BT_HCIBTUSB \
	CONFIG_BT_HCIBTUSB_BCM=n \
	CONFIG_BT_HCIUART \
	CONFIG_BT_HCIUART_BCM=n \
	CONFIG_BT_HCIUART_INTEL=n \
	CONFIG_BT_HCIUART_H4 \
	CONFIG_BT_HCIUART_NOKIA=n \
	CONFIG_BT_HIDP
  $(call AddDepends/rfkill)
  FILES:= \
	$(LINUX_DIR)/net/bluetooth/bluetooth.ko \
	$(LINUX_DIR)/net/bluetooth/rfcomm/rfcomm.ko \
	$(LINUX_DIR)/net/bluetooth/bnep/bnep.ko \
	$(LINUX_DIR)/net/bluetooth/hidp/hidp.ko \
	$(LINUX_DIR)/drivers/bluetooth/hci_uart.ko \
	$(LINUX_DIR)/drivers/bluetooth/btusb.ko
ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,4.1.0)),1)
  FILES+= \
	$(LINUX_DIR)/drivers/bluetooth/btintel.ko
endif
  AUTOLOAD:=$(call AutoProbe,bluetooth rfcomm bnep hidp hci_uart btusb)
endef

define KernelPackage/bluetooth/description
 Kernel support for Bluetooth devices
endef

$(eval $(call KernelPackage,bluetooth))

define KernelPackage/ath3k
  SUBMENU:=$(OTHER_MENU)
  TITLE:=ATH3K Kernel Module support
  DEPENDS:=+kmod-bluetooth +ar3k-firmware
  KCONFIG:= \
	CONFIG_BT_ATH3K \
	CONFIG_BT_HCIUART_ATH3K=y
  $(call AddDepends/bluetooth)
  FILES:= \
	$(LINUX_DIR)/drivers/bluetooth/ath3k.ko
  AUTOLOAD:=$(call AutoProbe,ath3k)
endef

define KernelPackage/ath3k/description
 Kernel support for ATH3K Module
endef

$(eval $(call KernelPackage,ath3k))


define KernelPackage/bluetooth_6lowpan
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Bluetooth 6LoWPAN support
  DEPENDS:=+kmod-6lowpan +kmod-bluetooth
  KCONFIG:=CONFIG_BT_6LOWPAN
  FILES:=$(LINUX_DIR)/net/bluetooth/bluetooth_6lowpan.ko
  AUTOLOAD:=$(call AutoProbe,bluetooth_6lowpan)
endef

define KernelPackage/bluetooth_6lowpan/description
 Kernel support for 6LoWPAN over Bluetooth Low Energy devices
endef

$(eval $(call KernelPackage,bluetooth_6lowpan))


define KernelPackage/btmrvl
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Marvell Bluetooth Kernel Module support
  DEPENDS:=+kmod-mmc +kmod-bluetooth +mwifiex-sdio-firmware
  KCONFIG:= \
	CONFIG_BT_MRVL \
	CONFIG_BT_MRVL_SDIO
  $(call AddDepends/bluetooth)
  FILES:= \
	$(LINUX_DIR)/drivers/bluetooth/btmrvl.ko \
	$(LINUX_DIR)/drivers/bluetooth/btmrvl_sdio.ko
  AUTOLOAD:=$(call AutoProbe,btmrvl btmrvl_sdio)
endef

define KernelPackage/btmrvl/description
 Kernel support for Marvell SDIO Bluetooth Module
endef

$(eval $(call KernelPackage,btmrvl))


define KernelPackage/dma-buf
  SUBMENU:=$(OTHER_MENU)
  TITLE:=DMA shared buffer support
  HIDDEN:=1
  KCONFIG:=CONFIG_DMA_SHARED_BUFFER
  ifeq ($(strip $(CONFIG_EXTERNAL_KERNEL_TREE)),"")
    ifeq ($(strip $(CONFIG_KERNEL_GIT_CLONE_URI)),"")
      FILES:=$(LINUX_DIR)/drivers/dma-buf/dma-shared-buffer.ko
    endif
  endif
  AUTOLOAD:=$(call AutoLoad,20,dma-shared-buffer)
endef
$(eval $(call KernelPackage,dma-buf))


define KernelPackage/nvmem
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Non Volatile Memory support
  KCONFIG:=CONFIG_NVMEM
  HIDDEN:=1
  FILES:=$(LINUX_DIR)/drivers/nvmem/nvmem_core.ko@ge4.9
endef

define KernelPackage/nvmem/description
  Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES, etc.
endef

$(eval $(call KernelPackage,nvmem))

define KernelPackage/eeprom-93cx6
  SUBMENU:=$(OTHER_MENU)
  TITLE:=EEPROM 93CX6 support
  KCONFIG:=CONFIG_EEPROM_93CX6
  FILES:=$(LINUX_DIR)/drivers/misc/eeprom/eeprom_93cx6.ko
  AUTOLOAD:=$(call AutoLoad,20,eeprom_93cx6)
endef

define KernelPackage/eeprom-93cx6/description
 Kernel module for EEPROM 93CX6 support
endef

$(eval $(call KernelPackage,eeprom-93cx6))


define KernelPackage/eeprom-at24
  SUBMENU:=$(OTHER_MENU)
  TITLE:=EEPROM AT24 support
  KCONFIG:=CONFIG_EEPROM_AT24
  DEPENDS:=+kmod-i2c-core +kmod-nvmem +LINUX_4_19:kmod-regmap-i2c
  FILES:=$(LINUX_DIR)/drivers/misc/eeprom/at24.ko
  AUTOLOAD:=$(call AutoProbe,at24)
endef

define KernelPackage/eeprom-at24/description
 Kernel module for most I2C EEPROMs
endef

$(eval $(call KernelPackage,eeprom-at24))


define KernelPackage/eeprom-at25
  SUBMENU:=$(OTHER_MENU)
  TITLE:=EEPROM AT25 support
  KCONFIG:=CONFIG_EEPROM_AT25
  DEPENDS:=+kmod-nvmem
  FILES:=$(LINUX_DIR)/drivers/misc/eeprom/at25.ko
  AUTOLOAD:=$(call AutoProbe,at25)
endef

define KernelPackage/eeprom-at25/description
 Kernel module for most SPI EEPROMs
endef

$(eval $(call KernelPackage,eeprom-at25))


define KernelPackage/gpio-dev
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Generic GPIO char device support
  DEPENDS:=@GPIO_SUPPORT
  KCONFIG:=CONFIG_GPIO_DEVICE
  FILES:=$(LINUX_DIR)/drivers/char/gpio_dev.ko
  AUTOLOAD:=$(call AutoLoad,40,gpio_dev)
endef

define KernelPackage/gpio-dev/description
 Kernel module to allows control of GPIO pins using a character device.
endef

$(eval $(call KernelPackage,gpio-dev))


define KernelPackage/gpio-mcp23s08
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Microchip MCP23xxx I/O expander
  DEPENDS:=@GPIO_SUPPORT +kmod-i2c-core +!LINUX_4_9:kmod-regmap-i2c
  KCONFIG:= \
	CONFIG_GPIO_MCP23S08 \
	CONFIG_PINCTRL_MCP23S08
  FILES:= \
	$(LINUX_DIR)/drivers/gpio/gpio-mcp23s08.ko@lt4.13 \
	$(LINUX_DIR)/drivers/pinctrl/pinctrl-mcp23s08.ko@ge4.13
  AUTOLOAD:=$(call AutoLoad,40,gpio-mcp23s08@lt4.13 pinctrl-mcp23s08@ge4.13)
endef

define KernelPackage/gpio-mcp23s08/description
 Kernel module for Microchip MCP23xxx SPI/I2C I/O expander
endef

$(eval $(call KernelPackage,gpio-mcp23s08))


define KernelPackage/gpio-nxp-74hc164
  SUBMENU:=$(OTHER_MENU)
  TITLE:=NXP 74HC164 GPIO expander support
  KCONFIG:=CONFIG_GPIO_74X164
  FILES:=$(LINUX_DIR)/drivers/gpio/gpio-74x164.ko
  AUTOLOAD:=$(call AutoProbe,gpio-74x164)
endef

define KernelPackage/gpio-nxp-74hc164/description
 Kernel module for NXP 74HC164 GPIO expander
endef

$(eval $(call KernelPackage,gpio-nxp-74hc164))

define KernelPackage/gpio-pca953x
  SUBMENU:=$(OTHER_MENU)
  DEPENDS:=@GPIO_SUPPORT +kmod-i2c-core
  TITLE:=PCA95xx, TCA64xx, and MAX7310 I/O ports
  KCONFIG:=CONFIG_GPIO_PCA953X
  FILES:=$(LINUX_DIR)/drivers/gpio/gpio-pca953x.ko
  AUTOLOAD:=$(call AutoLoad,55,gpio-pca953x)
endef

define KernelPackage/gpio-pca953x/description
 Kernel module for MAX731{0,2,3,5}, PCA6107, PCA953{4-9}, PCA955{4-7},
 PCA957{4,5} and TCA64{08,16} I2C GPIO expanders
endef

$(eval $(call KernelPackage,gpio-pca953x))

define KernelPackage/gpio-pcf857x
  SUBMENU:=$(OTHER_MENU)
  DEPENDS:=@GPIO_SUPPORT +kmod-i2c-core
  TITLE:=PCX857x, PCA967x and MAX732X I2C GPIO expanders
  KCONFIG:=CONFIG_GPIO_PCF857X
  FILES:=$(LINUX_DIR)/drivers/gpio/gpio-pcf857x.ko
  AUTOLOAD:=$(call AutoLoad,55,gpio-pcf857x)
endef

define KernelPackage/gpio-pcf857x/description
 Kernel module for PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders
endef

$(eval $(call KernelPackage,gpio-pcf857x))


define KernelPackage/ppdev
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Parallel port support
  KCONFIG:= \
	CONFIG_PARPORT \
	CONFIG_PPDEV
  FILES:= \
	$(LINUX_DIR)/drivers/parport/parport.ko \
	$(LINUX_DIR)/drivers/char/ppdev.ko
  AUTOLOAD:=$(call AutoLoad,50,parport ppdev)
endef

$(eval $(call KernelPackage,ppdev))


define KernelPackage/parport-pc
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Parallel port interface (PC-style) support
  DEPENDS:=+kmod-ppdev
  KCONFIG:= \
	CONFIG_KS0108=n \
	CONFIG_PARPORT_PC \
	CONFIG_PARPORT_1284=y \
	CONFIG_PARPORT_PC_FIFO=y \
	CONFIG_PARPORT_PC_PCMCIA=n \
	CONFIG_PARPORT_PC_SUPERIO=y \
	CONFIG_PARPORT_SERIAL=n \
	CONFIG_PARIDE=n \
	CONFIG_SCSI_IMM=n \
	CONFIG_SCSI_PPA=n
  FILES:= \
	$(LINUX_DIR)/drivers/parport/parport_pc.ko
  AUTOLOAD:=$(call AutoLoad,51,parport_pc)
endef

$(eval $(call KernelPackage,parport-pc))


define KernelPackage/lp
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Parallel port line printer device support
  DEPENDS:=+kmod-ppdev
  KCONFIG:= \
	CONFIG_PRINTER
  FILES:= \
	$(LINUX_DIR)/drivers/char/lp.ko
  AUTOLOAD:=$(call AutoLoad,52,lp)
endef

$(eval $(call KernelPackage,lp))


define KernelPackage/mmc
  SUBMENU:=$(OTHER_MENU)
  TITLE:=MMC/SD Card Support
  DEPENDS:=@!TARGET_uml
  KCONFIG:= \
	CONFIG_MMC \
	CONFIG_MMC_BLOCK \
	CONFIG_MMC_DEBUG=n \
	CONFIG_MMC_UNSAFE_RESUME=n \
	CONFIG_MMC_BLOCK_BOUNCE=y \
	CONFIG_MMC_TIFM_SD=n \
	CONFIG_MMC_WBSD=n \
	CONFIG_SDIO_UART=n
  FILES:= \
	$(LINUX_DIR)/drivers/mmc/core/mmc_core.ko \
	$(LINUX_DIR)/drivers/mmc/card/mmc_block.ko@lt4.10 \
	$(LINUX_DIR)/drivers/mmc/core/mmc_block.ko@ge4.10
  AUTOLOAD:=$(call AutoProbe,mmc_core mmc_block,1)
endef

define KernelPackage/mmc/description
 Kernel support for MMC/SD cards
endef

$(eval $(call KernelPackage,mmc))


define KernelPackage/sdhci
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Secure Digital Host Controller Interface support
  DEPENDS:=+kmod-mmc
  KCONFIG:= \
	CONFIG_MMC_SDHCI \
	CONFIG_MMC_SDHCI_PLTFM \
	CONFIG_MMC_SDHCI_PCI=n
  FILES:= \
	$(LINUX_DIR)/drivers/mmc/host/sdhci.ko \
	$(LINUX_DIR)/drivers/mmc/host/sdhci-pltfm.ko

  AUTOLOAD:=$(call AutoProbe,sdhci-pltfm,1)
endef

define KernelPackage/sdhci/description
 Kernel support for SDHCI Hosts
endef

$(eval $(call KernelPackage,sdhci))


define KernelPackage/rfkill
  SUBMENU:=$(OTHER_MENU)
  TITLE:=RF switch subsystem support
  DEPENDS:=@USE_RFKILL +kmod-input-core
  KCONFIG:= \
    CONFIG_RFKILL_FULL \
    CONFIG_RFKILL_INPUT=y \
    CONFIG_RFKILL_LEDS=y
  FILES:= \
    $(LINUX_DIR)/net/rfkill/rfkill.ko
  AUTOLOAD:=$(call AutoLoad,20,rfkill)
endef

define KernelPackage/rfkill/description
 Say Y here if you want to have control over RF switches
 found on many WiFi and Bluetooth cards
endef

$(eval $(call KernelPackage,rfkill))


define KernelPackage/softdog
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Software watchdog driver
  KCONFIG:=CONFIG_SOFT_WATCHDOG \
  	CONFIG_SOFT_WATCHDOG_PRETIMEOUT=n
  FILES:=$(LINUX_DIR)/drivers/$(WATCHDOG_DIR)/softdog.ko
  AUTOLOAD:=$(call AutoLoad,50,softdog,1)
endef

define KernelPackage/softdog/description
 Software watchdog driver
endef

$(eval $(call KernelPackage,softdog))


define KernelPackage/ssb
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Silicon Sonics Backplane glue code
  DEPENDS:=@PCI_SUPPORT @!TARGET_brcm47xx @!TARGET_brcm63xx
  KCONFIG:=\
	CONFIG_SSB \
	CONFIG_SSB_B43_PCI_BRIDGE=y \
	CONFIG_SSB_DRIVER_MIPS=n \
	CONFIG_SSB_DRIVER_PCICORE=y \
	CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y \
	CONFIG_SSB_PCIHOST=y \
	CONFIG_SSB_PCIHOST_POSSIBLE=y \
	CONFIG_SSB_POSSIBLE=y \
	CONFIG_SSB_SPROM=y \
	CONFIG_SSB_SILENT=y
  FILES:=$(LINUX_DIR)/drivers/ssb/ssb.ko
  AUTOLOAD:=$(call AutoLoad,18,ssb,1)
endef

define KernelPackage/ssb/description
 Silicon Sonics Backplane glue code.
endef

$(eval $(call KernelPackage,ssb))


define KernelPackage/bcma
  SUBMENU:=$(OTHER_MENU)
  TITLE:=BCMA support
  DEPENDS:=@PCI_SUPPORT @!TARGET_brcm47xx @!TARGET_bcm53xx
  KCONFIG:=\
	CONFIG_BCMA \
	CONFIG_BCMA_POSSIBLE=y \
	CONFIG_BCMA_BLOCKIO=y \
	CONFIG_BCMA_HOST_PCI_POSSIBLE=y \
	CONFIG_BCMA_HOST_PCI=y \
	CONFIG_BCMA_HOST_SOC=n \
	CONFIG_BCMA_DRIVER_MIPS=n \
	CONFIG_BCMA_DRIVER_PCI_HOSTMODE=n \
	CONFIG_BCMA_DRIVER_GMAC_CMN=n \
	CONFIG_BCMA_DEBUG=n
  FILES:=$(LINUX_DIR)/drivers/bcma/bcma.ko
  AUTOLOAD:=$(call AutoLoad,29,bcma)
endef

define KernelPackage/bcma/description
 Bus driver for Broadcom specific Advanced Microcontroller Bus Architecture
endef

$(eval $(call KernelPackage,bcma))


define KernelPackage/rtc-ds1307
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Dallas/Maxim DS1307 (and compatible) RTC support
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  DEPENDS:=+kmod-i2c-core +!LINUX_4_9:kmod-regmap-i2c +!LINUX_4_9:kmod-hwmon-core
  KCONFIG:=CONFIG_RTC_DRV_DS1307 \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-ds1307.ko
  AUTOLOAD:=$(call AutoProbe,rtc-ds1307)
endef

define KernelPackage/rtc-ds1307/description
 Kernel module for Dallas/Maxim DS1307/DS1337/DS1338/DS1340/DS1388/DS3231,
 Epson RX-8025 and various other compatible RTC chips connected via I2C.
endef

$(eval $(call KernelPackage,rtc-ds1307))


define KernelPackage/rtc-ds1374
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Dallas/Maxim DS1374 RTC support
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  DEPENDS:=+kmod-i2c-core
  KCONFIG:=CONFIG_RTC_DRV_DS1374 \
	CONFIG_RTC_DRV_DS1374_WDT=n \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-ds1374.ko
  AUTOLOAD:=$(call AutoProbe,rtc-ds1374)
endef

define KernelPackage/rtc-ds1374/description
 Kernel module for Dallas/Maxim DS1374.
endef

$(eval $(call KernelPackage,rtc-ds1374))


define KernelPackage/rtc-ds1672
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Dallas/Maxim DS1672 RTC support
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  DEPENDS:=+kmod-i2c-core
  KCONFIG:=CONFIG_RTC_DRV_DS1672 \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-ds1672.ko
  AUTOLOAD:=$(call AutoProbe,rtc-ds1672)
endef

define KernelPackage/rtc-ds1672/description
 Kernel module for Dallas/Maxim DS1672 RTC.
endef

$(eval $(call KernelPackage,rtc-ds1672))


define KernelPackage/rtc-em3027
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Microelectronic EM3027 RTC support
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  DEPENDS:=+kmod-i2c-core
  KCONFIG:=CONFIG_RTC_DRV_EM3027 \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-em3027.ko
  AUTOLOAD:=$(call AutoProbe,rtc-em3027)
endef

define KernelPackage/rtc-em3027/description
 Kernel module for Microelectronic EM3027 RTC.
endef

$(eval $(call KernelPackage,rtc-em3027))


define KernelPackage/rtc-isl1208
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Intersil ISL1208 RTC support
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  DEPENDS:=+kmod-i2c-core
  KCONFIG:=CONFIG_RTC_DRV_ISL1208 \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-isl1208.ko
  AUTOLOAD:=$(call AutoProbe,rtc-isl1208)
endef

define KernelPackage/rtc-isl1208/description
 Kernel module for Intersil ISL1208 RTC.
endef

$(eval $(call KernelPackage,rtc-isl1208))


define KernelPackage/rtc-pcf8563
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Philips PCF8563/Epson RTC8564 RTC support
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  DEPENDS:=+kmod-i2c-core
  KCONFIG:=CONFIG_RTC_DRV_PCF8563 \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-pcf8563.ko
  AUTOLOAD:=$(call AutoProbe,rtc-pcf8563)
endef

define KernelPackage/rtc-pcf8563/description
 Kernel module for Philips PCF8563 RTC chip.
 The Epson RTC8564 should work as well.
endef

$(eval $(call KernelPackage,rtc-pcf8563))


define KernelPackage/rtc-pcf2123
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Philips PCF2123 RTC support
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  KCONFIG:=CONFIG_RTC_DRV_PCF2123 \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-pcf2123.ko
  AUTOLOAD:=$(call AutoProbe,rtc-pcf2123)
endef

define KernelPackage/rtc-pcf2123/description
 Kernel module for Philips PCF2123 RTC chip
endef

$(eval $(call KernelPackage,rtc-pcf2123))

define KernelPackage/rtc-pt7c4338
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Pericom PT7C4338 RTC support
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  DEPENDS:=+kmod-i2c-core
  KCONFIG:=CONFIG_RTC_DRV_PT7C4338 \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-pt7c4338.ko
  AUTOLOAD:=$(call AutoProbe,rtc-pt7c4338)
endef

define KernelPackage/rtc-pt7c4338/description
 Kernel module for Pericom PT7C4338 i2c RTC chip
endef

$(eval $(call KernelPackage,rtc-pt7c4338))

define KernelPackage/rtc-rs5c372a
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A
  DEFAULT:=m if ALL_KMODS && RTC_SUPPORT
  DEPENDS:=+kmod-i2c-core
  KCONFIG:=CONFIG_RTC_DRV_RS5C372 \
	CONFIG_RTC_CLASS=y
  FILES:=$(LINUX_DIR)/drivers/rtc/rtc-rs5c372.ko
  AUTOLOAD:=$(call AutoLoad,50,rtc-rs5c372,1)
endef

define KernelPackage/rtc-rs5c372a/description
 Kernel module for Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A RTC on chip module
endef

$(eval $(call KernelPackage,rtc-rs5c372a))


define KernelPackage/mtdtests
  SUBMENU:=$(OTHER_MENU)
  TITLE:=MTD subsystem tests
  KCONFIG:=CONFIG_MTD_TESTS
  FILES:=\
	$(LINUX_DIR)/drivers/mtd/tests/mtd_nandecctest.ko \
	$(LINUX_DIR)/drivers/mtd/tests/mtd_oobtest.ko \
	$(LINUX_DIR)/drivers/mtd/tests/mtd_pagetest.ko \
	$(LINUX_DIR)/drivers/mtd/tests/mtd_readtest.ko \
	$(LINUX_DIR)/drivers/mtd/tests/mtd_speedtest.ko \
	$(LINUX_DIR)/drivers/mtd/tests/mtd_stresstest.ko \
	$(LINUX_DIR)/drivers/mtd/tests/mtd_subpagetest.ko \
	$(LINUX_DIR)/drivers/mtd/tests/mtd_torturetest.ko
endef

define KernelPackage/mtdtests/description
 Kernel modules for MTD subsystem/driver testing
endef

$(eval $(call KernelPackage,mtdtests))


define KernelPackage/mtdoops
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Log panic/oops to an MTD buffer
  KCONFIG:=CONFIG_MTD_OOPS
  FILES:=$(LINUX_DIR)/drivers/mtd/mtdoops.ko
endef

define KernelPackage/mtdoops/description
 Kernel modules for Log panic/oops to an MTD buffer
endef

$(eval $(call KernelPackage,mtdoops))


define KernelPackage/mtdram
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Test MTD driver using RAM
  KCONFIG:=CONFIG_MTD_MTDRAM \
    CONFIG_MTDRAM_TOTAL_SIZE=4096 \
    CONFIG_MTDRAM_ERASE_SIZE=128
  FILES:=$(LINUX_DIR)/drivers/mtd/devices/mtdram.ko
endef

define KernelPackage/mtdram/description
  Test MTD driver using RAM
endef

$(eval $(call KernelPackage,mtdram))


define KernelPackage/serial-8250
  SUBMENU:=$(OTHER_MENU)
  TITLE:=8250 UARTs
  KCONFIG:= CONFIG_SERIAL_8250 \
	CONFIG_SERIAL_8250_PCI \
	CONFIG_SERIAL_8250_NR_UARTS=16 \
	CONFIG_SERIAL_8250_RUNTIME_UARTS=16 \
	CONFIG_SERIAL_8250_EXTENDED=y \
	CONFIG_SERIAL_8250_MANY_PORTS=y \
	CONFIG_SERIAL_8250_SHARE_IRQ=y \
	CONFIG_SERIAL_8250_DETECT_IRQ=n \
	CONFIG_SERIAL_8250_RSA=n
  FILES:= \
	$(LINUX_DIR)/drivers/tty/serial/8250/8250.ko \
	$(LINUX_DIR)/drivers/tty/serial/8250/8250_base.ko@ge4.4 \
	$(if $(CONFIG_PCI),$(LINUX_DIR)/drivers/tty/serial/8250/8250_pci.ko@ge4.4)
  AUTOLOAD:=$(call AutoProbe,8250 8250_base 8250_pci)
endef

define KernelPackage/serial-8250/description
 Kernel module for 8250 UART based serial ports
endef

$(eval $(call KernelPackage,serial-8250))


define KernelPackage/serial-8250-exar
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Exar 8250 UARTs
  KCONFIG:= CONFIG_SERIAL_8250_EXAR
  FILES:=$(LINUX_DIR)/drivers/tty/serial/8250/8250_exar.ko
  AUTOLOAD:=$(call AutoProbe,8250 8250_base 8250_exar)
  DEPENDS:=+kmod-serial-8250
endef

define KernelPackage/serial-8250-exar/description
 Kernel module for Exar serial ports
endef

$(eval $(call KernelPackage,serial-8250-exar))


define KernelPackage/regmap-core
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Generic register map support
  HIDDEN:=1
  KCONFIG:=CONFIG_REGMAP
ifneq ($(wildcard $(LINUX_DIR)/drivers/base/regmap/regmap-core.ko),)
  FILES:=$(LINUX_DIR)/drivers/base/regmap/regmap-core.ko
endif
endef

define KernelPackage/regmap-core/description
 Generic register map support
endef

$(eval $(call KernelPackage,regmap-core))


define KernelPackage/regmap-spi
  SUBMENU:=$(OTHER_MENU)
  TITLE:=SPI register map support
  DEPENDS:=+kmod-regmap-core
  HIDDEN:=1
  KCONFIG:=CONFIG_REGMAP_SPI \
	   CONFIG_SPI=y
  FILES:=$(LINUX_DIR)/drivers/base/regmap/regmap-spi.ko
endef

define KernelPackage/regmap-spi/description
 SPI register map support
endef

$(eval $(call KernelPackage,regmap-spi))


define KernelPackage/regmap-i2c
  SUBMENU:=$(OTHER_MENU)
  TITLE:=I2C register map support
  DEPENDS:=+kmod-regmap-core +kmod-i2c-core
  HIDDEN:=1
  KCONFIG:=CONFIG_REGMAP_I2C
  FILES:=$(LINUX_DIR)/drivers/base/regmap/regmap-i2c.ko
endef

define KernelPackage/regmap-i2c/description
 I2C register map support
endef

$(eval $(call KernelPackage,regmap-i2c))


define KernelPackage/regmap-mmio
  SUBMENU:=$(OTHER_MENU)
  TITLE:=MMIO register map support
  DEPENDS:=+kmod-regmap-core
  HIDDEN:=1
  KCONFIG:=CONFIG_REGMAP_MMIO
  FILES:=$(LINUX_DIR)/drivers/base/regmap/regmap-mmio.ko
endef

define KernelPackage/regmap-mmio/description
 MMIO register map support
endef

$(eval $(call KernelPackage,regmap-mmio))


define KernelPackage/ikconfig
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Kernel configuration via /proc/config.gz
  KCONFIG:=CONFIG_IKCONFIG \
	   CONFIG_IKCONFIG_PROC=y
  FILES:=$(LINUX_DIR)/kernel/configs.ko
  AUTOLOAD:=$(call AutoLoad,70,configs)
endef

define KernelPackage/ikconfig/description
 Kernel configuration via /proc/config.gz
endef

$(eval $(call KernelPackage,ikconfig))


define KernelPackage/zram
  SUBMENU:=$(OTHER_MENU)
  TITLE:=ZRAM
  DEPENDS:=+kmod-lib-lzo +kmod-lib-lz4
  KCONFIG:= \
	CONFIG_ZSMALLOC \
	CONFIG_ZRAM \
	CONFIG_ZRAM_DEBUG=n \
	CONFIG_PGTABLE_MAPPING=n \
	CONFIG_ZRAM_WRITEBACK=n \
	CONFIG_ZSMALLOC_STAT=n \
	CONFIG_ZRAM_LZ4_COMPRESS=y
  FILES:= \
	$(LINUX_DIR)/mm/zsmalloc.ko \
	$(LINUX_DIR)/drivers/block/zram/zram.ko
  AUTOLOAD:=$(call AutoLoad,20,zsmalloc zram)
endef

define KernelPackage/zram/description
 Compressed RAM block device support
endef

$(eval $(call KernelPackage,zram))


define KernelPackage/pps
  SUBMENU:=$(OTHER_MENU)
  TITLE:=PPS support
  KCONFIG:=CONFIG_PPS
  FILES:=$(LINUX_DIR)/drivers/pps/pps_core.ko
  AUTOLOAD:=$(call AutoLoad,17,pps_core,1)
endef

define KernelPackage/pps/description
 PPS (Pulse Per Second) is a special pulse provided by some GPS
 antennae. Userland can use it to get a high-precision time
 reference.
endef

$(eval $(call KernelPackage,pps))


define KernelPackage/pps-gpio
  SUBMENU:=$(OTHER_MENU)
  TITLE:=PPS client using GPIO
  DEPENDS:=+kmod-pps
  KCONFIG:=CONFIG_PPS_CLIENT_GPIO
  FILES:=$(LINUX_DIR)/drivers/pps/clients/pps-gpio.ko
  AUTOLOAD:=$(call AutoLoad,18,pps-gpio,1)
endef

define KernelPackage/pps-gpio/description
 Support for a PPS source using GPIO. To be useful you must
 also register a platform device specifying the GPIO pin and
 other options, usually in your board setup.
endef

$(eval $(call KernelPackage,pps-gpio))


define KernelPackage/pps-ldisc
  SUBMENU:=$(OTHER_MENU)
  TITLE:=PPS line discipline
  DEPENDS:=+kmod-pps
  KCONFIG:=CONFIG_PPS_CLIENT_LDISC
  FILES:=$(LINUX_DIR)/drivers/pps/clients/pps-ldisc.ko
  AUTOLOAD:=$(call AutoLoad,18,pps-ldisc,1)
endef

define KernelPackage/pps-ldisc/description
 Support for a PPS source connected with the CD (Carrier
 Detect) pin of your serial port.
endef

$(eval $(call KernelPackage,pps-ldisc))


define KernelPackage/ptp
  SUBMENU:=$(OTHER_MENU)
  TITLE:=PTP clock support
  DEPENDS:=+kmod-pps
  KCONFIG:= \
	CONFIG_PTP_1588_CLOCK \
	CONFIG_NET_PTP_CLASSIFY=y
  FILES:=$(LINUX_DIR)/drivers/ptp/ptp.ko
  AUTOLOAD:=$(call AutoLoad,18,ptp,1)
endef

define KernelPackage/ptp/description
 The IEEE 1588 standard defines a method to precisely
 synchronize distributed clocks over Ethernet networks.
endef

$(eval $(call KernelPackage,ptp))


define KernelPackage/ptp-gianfar
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Freescale Gianfar PTP support
  DEPENDS:=@TARGET_mpc85xx +kmod-ptp @!LINUX_4_19
  KCONFIG:=CONFIG_PTP_1588_CLOCK_GIANFAR
  FILES:=$(LINUX_DIR)/drivers/net/ethernet/freescale/gianfar_ptp.ko
  AUTOLOAD:=$(call AutoProbe,gianfar_ptp)
endef

define KernelPackage/ptp-gianfar/description
 Kernel module for IEEE 1588 support for Freescale
 Gianfar Ethernet drivers
endef

$(eval $(call KernelPackage,ptp-gianfar))

define KernelPackage/ptp-qoriq
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Freescale QorIQ PTP support
  DEPENDS:=@TARGET_mpc85xx +kmod-ptp @LINUX_4_19
  KCONFIG:=CONFIG_PTP_1588_CLOCK_QORIQ
  FILES:=$(LINUX_DIR)/drivers/ptp/ptp_qoriq.o
  AUTOLOAD:=$(call AutoProbe,ptp_qoriq)
endef


define KernelPackage/ptp-qoriq/description
 Kernel module for IEEE 1588 support for Freescale
 QorIQ Ethernet drivers
endef

$(eval $(call KernelPackage,ptp-qoriq))

define KernelPackage/random-core
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Hardware Random Number Generator Core support
  KCONFIG:=CONFIG_HW_RANDOM
  FILES:=$(LINUX_DIR)/drivers/char/hw_random/rng-core.ko
endef

define KernelPackage/random-core/description
 Kernel module for the HW random number generator core infrastructure
endef

$(eval $(call KernelPackage,random-core))


define KernelPackage/random-tpm
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Hardware Random Number Generator TPM support
  KCONFIG:=CONFIG_HW_RANDOM_TPM
  FILES:=$(LINUX_DIR)/drivers/char/hw_random/tpm-rng.ko
  DEPENDS:= +kmod-random-core +kmod-tpm @!LINUX_4_19
  AUTOLOAD:=$(call AutoProbe,tpm-rng)
endef

define KernelPackage/random-tpm/description
 Kernel module for the Random Number Generator
 in the Trusted Platform Module.
endef

$(eval $(call KernelPackage,random-tpm))

define KernelPackage/thermal
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Generic Thermal sysfs driver
  DEPENDS:=+kmod-hwmon-core
  HIDDEN:=1
  KCONFIG:= \
	CONFIG_THERMAL \
	CONFIG_THERMAL_OF=y \
	CONFIG_CPU_THERMAL=y \
	CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y \
	CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE=n \
	CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE=n \
	CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=0 \
	CONFIG_THERMAL_GOV_FAIR_SHARE=n \
	CONFIG_THERMAL_GOV_STEP_WISE=y \
	CONFIG_THERMAL_GOV_USER_SPACE=n \
	CONFIG_THERMAL_HWMON=y \
	CONFIG_THERMAL_EMULATION=n
  FILES:=$(LINUX_DIR)/drivers/thermal/thermal_sys.ko
  AUTOLOAD:=$(call AutoProbe,thermal_sys)
endef

define KernelPackage/thermal/description
 Generic Thermal Sysfs driver offers a generic mechanism for thermal
 management. Usually it's made up of one or more thermal zone and cooling
 device.
endef

$(eval $(call KernelPackage,thermal))


define KernelPackage/gpio-beeper
  SUBMENU:=$(OTHER_MENU)
  TITLE:=GPIO beeper support
  DEPENDS:=+kmod-input-core
  KCONFIG:= \
	CONFIG_INPUT_MISC=y \
	CONFIG_INPUT_GPIO_BEEPER
  FILES:= \
	$(LINUX_DIR)/drivers/input/misc/gpio-beeper.ko
  AUTOLOAD:=$(call AutoLoad,50,gpio-beeper)
endef

define KernelPackage/gpio-beeper/description
 This enables playing beeps through an GPIO-connected buzzer
endef

$(eval $(call KernelPackage,gpio-beeper))


define KernelPackage/echo
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Line Echo Canceller
  KCONFIG:=CONFIG_ECHO
  FILES:=$(LINUX_DIR)/drivers/misc/echo/echo.ko
  AUTOLOAD:=$(call AutoLoad,50,echo)
endef

define KernelPackage/echo/description
 This driver provides line echo cancelling support for mISDN and
 DAHDI drivers
endef

$(eval $(call KernelPackage,echo))


define KernelPackage/bmp085
  SUBMENU:=$(OTHER_MENU)
  TITLE:=BMP085/BMP18x pressure sensor
  DEPENDS:= +kmod-regmap-core
  KCONFIG:= CONFIG_BMP085
  FILES:= $(LINUX_DIR)/drivers/misc/bmp085.ko
endef

define KernelPackage/bmp085/description
 This driver adds support for Bosch Sensortec's digital pressure
 sensors BMP085 and BMP18x.
endef

$(eval $(call KernelPackage,bmp085))


define KernelPackage/bmp085-i2c
  SUBMENU:=$(OTHER_MENU)
  TITLE:=BMP085/BMP18x pressure sensor I2C
  DEPENDS:= +kmod-bmp085
  KCONFIG:= CONFIG_BMP085_I2C
  FILES:= $(LINUX_DIR)/drivers/misc/bmp085-i2c.ko
  AUTOLOAD:=$(call AutoProbe,bmp085-i2c)
endef
define KernelPackage/bmp085-i2c/description
 This driver adds support for Bosch Sensortec's digital pressure
 sensor connected via I2C.
endef

$(eval $(call KernelPackage,bmp085-i2c))


define KernelPackage/bmp085-spi
  SUBMENU:=$(OTHER_MENU)
  TITLE:=BMP085/BMP18x pressure sensor SPI
  DEPENDS:= +kmod-bmp085
  KCONFIG:= CONFIG_BMP085_SPI
  FILES:= $(LINUX_DIR)/drivers/misc/bmp085-spi.ko
  AUTOLOAD:=$(call AutoProbe,bmp085-spi)
endef
define KernelPackage/bmp085-spi/description
 This driver adds support for Bosch Sensortec's digital pressure
 sensor connected via SPI.
endef

$(eval $(call KernelPackage,bmp085-spi))

define KernelPackage/tpm
  SUBMENU:=$(OTHER_MENU)
  TITLE:=TPM Hardware Support
  KCONFIG:= CONFIG_TCG_TPM
  FILES:= $(LINUX_DIR)/drivers/char/tpm/tpm.ko
  AUTOLOAD:=$(call AutoLoad,10,tpm,1)
endef

define KernelPackage/tpm/description
	This enables TPM Hardware Support.
endef

$(eval $(call KernelPackage,tpm))

define KernelPackage/tpm-tis
  SUBMENU:=$(OTHER_MENU)
  TITLE:=TPM TIS 1.2 Interface / TPM 2.0 FIFO Interface
	DEPENDS:= @TARGET_x86 +kmod-tpm
  KCONFIG:= CONFIG_TCG_TIS
  FILES:= \
	$(LINUX_DIR)/drivers/char/tpm/tpm_tis.ko \
	$(LINUX_DIR)/drivers/char/tpm/tpm_tis_core.ko
  AUTOLOAD:=$(call AutoLoad,20,tpm_tis,1)
endef

define KernelPackage/tpm-tis/description
	If you have a TPM security chip that is compliant with the
	TCG TIS 1.2 TPM specification (TPM1.2) or the TCG PTP FIFO
	specification (TPM2.0) say Yes and it will be accessible from
	within Linux.
endef

$(eval $(call KernelPackage,tpm-tis))

define KernelPackage/tpm-i2c-atmel
  SUBMENU:=$(OTHER_MENU)
  TITLE:=TPM I2C Atmel Support
  DEPENDS:= +kmod-tpm +kmod-i2c-core
  KCONFIG:= CONFIG_TCG_TIS_I2C_ATMEL
  FILES:= $(LINUX_DIR)/drivers/char/tpm/tpm_i2c_atmel.ko
  AUTOLOAD:=$(call AutoLoad,40,tpm_i2c_atmel,1)
endef

define KernelPackage/tpm-i2c-atmel/description
	This enables the TPM Interface Specification 1.2 Interface (I2C - Atmel)
endef

$(eval $(call KernelPackage,tpm-i2c-atmel))

define KernelPackage/tpm-i2c-infineon
  SUBMENU:=$(OTHER_MENU)
  TITLE:= TPM I2C Infineon driver
  DEPENDS:= +kmod-tpm +kmod-i2c-core
  KCONFIG:= CONFIG_TCG_TIS_I2C_INFINEON
  FILES:= $(LINUX_DIR)/drivers/char/tpm/tpm_i2c_infineon.ko
  AUTOLOAD:= $(call AutoLoad,40,tpm_i2c_infineon,1)
endef

define KernelPackage/tpm-i2c-infineon/description
	This enables the TPM Interface Specification 1.2 Interface (I2C - Infineon)
endef

$(eval $(call KernelPackage,tpm-i2c-infineon))


define KernelPackage/w83627hf-wdt
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Winbond 83627HF Watchdog Timer
  KCONFIG:=CONFIG_W83627HF_WDT
  FILES:=$(LINUX_DIR)/drivers/$(WATCHDOG_DIR)/w83627hf_wdt.ko
  AUTOLOAD:=$(call AutoLoad,50,w83627hf-wdt,1)
endef

define KernelPackage/w83627hf-wdt/description
  Kernel module for Winbond 83627HF Watchdog Timer
endef

$(eval $(call KernelPackage,w83627hf-wdt))


define KernelPackage/itco-wdt
  SUBMENU:=$(OTHER_MENU)
  TITLE:=Intel iTCO Watchdog Timer
  KCONFIG:=CONFIG_ITCO_WDT \
           CONFIG_ITCO_VENDOR_SUPPORT=y
  FILES:=$(LINUX_DIR)/drivers/$(WATCHDOG_DIR)/iTCO_wdt.ko \
         $(LINUX_DIR)/drivers/$(WATCHDOG_DIR)/iTCO_vendor_support.ko
  AUTOLOAD:=$(call AutoLoad,50,iTCO_vendor_support iTCO_wdt,1)
endef

define KernelPackage/itco-wdt/description
  Kernel module for Intel iTCO Watchdog Timer
endef

$(eval $(call KernelPackage,itco-wdt))


define KernelPackage/it87-wdt
  SUBMENU:=$(OTHER_MENU)
  TITLE:=ITE IT87 Watchdog Timer
  KCONFIG:=CONFIG_IT87_WDT
  FILES:=$(LINUX_DIR)/drivers/$(WATCHDOG_DIR)/it87_wdt.ko
  AUTOLOAD:=$(call AutoLoad,50,it87-wdt,1)
  MODPARAMS.it87-wdt:= \
	nogameport=1 \
	nocir=1
endef

define KernelPackage/it87-wdt/description
  Kernel module for ITE IT87 Watchdog Timer
endef

$(eval $(call KernelPackage,it87-wdt))