bcmdhd/include/bcmwifi_channels.h

29 /* A chanspec holds the channel number, band, bandwidth and primary 20MHz sub-band */
40 #define CH_5MHZ_APART                     1u    /* 2G band channels are 5 Mhz apart */
41 #define CH_160MHZ_APART                  (32u * CH_5MHZ_APART)	/* 32 5Mhz-spaces */
45 #define CH_MIN_2G_40M_CHANNEL             3u    /* Min 40MHz center channel in 2G band */
46 #define CH_MAX_2G_40M_CHANNEL            11u    /* Max 40MHz center channel in 2G band */
48 #define CH_MIN_6G_CHANNEL                 1u    /* Min 20MHz channel in 6G band */
49 #define CH_MAX_6G_CHANNEL               253u    /* Max 20MHz channel in 6G band */
50 #define CH_MIN_6G_40M_CHANNEL             3u    /* Min 40MHz center channel in 6G band */
51 #define CH_MAX_6G_40M_CHANNEL           227u    /* Max 40MHz center channel in 6G band */
52 #define CH_MIN_6G_80M_CHANNEL             7u    /* Min 80MHz center channel in 6G band */
53 #define CH_MAX_6G_80M_CHANNEL           215u    /* Max 80MHz center channel in 6G band */
54 #define CH_MIN_6G_160M_CHANNEL           15u    /* Min 160MHz center channel in 6G band */
55 #define CH_MAX_6G_160M_CHANNEL          207u    /* Max 160MHz center channel in 6G band */
56 #define CH_MIN_6G_240M_CHANNEL		 23u	/* Min 240MHz center channel in 6G band */
57 #define CH_MAX_6G_240M_CHANNEL		167u	/* Max 240MHz center channel in 6G band */
58 #define CH_MIN_6G_320M_CHANNEL           31u    /* Min 320MHz center channel in 6G band */
59 #define CH_MAX_6G_320M_CHANNEL          199u    /* Max 320MHz center channel in 6G band */
97 /* For contiguous channel bandwidth other than 240MHz/320Mhz */
101 /* For contiguous channel bandwidth >= 240MHz */
111 /* Non-320/Non-240 Mhz channel sideband indication */
132 /* channel sideband indication for frequency >= 240MHz */
171 /* pass a 80MHz channel number (uint8) to get respective LL, UU, LU, UL */
238 /* pass a center channel and get channel offset from it by 10MHz */
249 /* pass a 160MHz center channel to get 20MHz subband channel numbers */
259 /* get lowest 20MHz sideband of a given chspec
268 /* get upper most 20MHz sideband of a given chspec
277 /* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband
296 /* get lowest 20MHz sideband of a given chspec
303 /* get upper most 20MHz sideband of a given chspec
311 /* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband
321 /* Iterator for 20MHz side bands of a chanspec: (chanspec_t chspec, uint8 channel)
454  * chan_freq = chan_factor * 500Mhz + chan_number * 5
459  * The value corresponds to 2407 MHz.
461 #define WF_CHAN_FACTOR_2_4_G		4814u	/* 2.4 GHz band, 2407 MHz */
465  * The value corresponds to 4000 MHz.
471  * The value corresponds to 5000 MHz.
473 #define WF_CHAN_FACTOR_5_G		10000u	/* 5   GHz band, 5000 MHz */
477  * The value corresponds to 5940 MHz.
479 #define WF_CHAN_FACTOR_6_G		11900u	/* 6   GHz band, 5950 MHz */
484  *  No of sub-band value of the specified Mhz chanspec
491  * Return the chanspec bandwidth in MHz
526  * Verify that the channel is a valid 20MHz channel according to 802.11.
531  * Verify that the center channel is a valid 40MHz center channel according to 802.11.
536  * Verify that the center channel is a valid 80MHz center channel according to 802.11.
541  * Verify that the center channel is a valid 160MHz center channel according to 802.11.
546  * Verify that the center channel is a valid 240MHz center channel according to 802.11.
551  * Verify that the center channel is a valid 320MHz center channel according to 802.11.
556  * Create a 20MHz chanspec for the given band.
561  * Returns the chanspec for a 40MHz channel given the primary 20MHz channel number,
568  * Returns the chanspec for a 40MHz channel given the primary 20MHz channel number,
569  * the sub-band for the primary 20MHz channel, and the band.
575  * Returns the chanspec for an 80MHz channel given the primary 20MHz channel number,
582  * Returns the chanspec for an 160MHz channel given the primary 20MHz channel number,
589  * Returns the chanspec for an 240MHz channel given the primary 20MHz channel number,
596  * Returns the chanspec for an 320MHz channel given the primary 20MHz channel number,
603  * Returns the chanspec for an 80+80MHz channel given the primary 20MHz channel number,
610  * Returns the chanspec for an 160+160MHz channel given the primary 20MHz channel number,
616  * Returns the chanspec given the primary 20MHz channel number,
619  * The channel width must be 20, 40, 80, or 160 MHz.
625  * Returns the chanspec given the primary 20MHz channel number,
632  * Returns the chanspec given the index of primary 20MHz channel within whole
635  * The channel width must be 20, 40, 80, or 160 MHz.
641  * Returns the chanspec for an 160+160MHz channel given the index of primary 20MHz
649  * Return the primary 20MHz channel.
657  * Return the primary 20MHz chanspec of a given chanspec
665  * Return the primary 40MHz chanspec for a 40MHz or wider channel
675  * Return the center frequency in MHz of the given channel and base frequency.
680  * Returns the chanspec 80Mhz channel corresponding to the following input
683  *	primary_channel - primary 20Mhz channel
684  *	center_channel   - center frequecny of the 80Mhz channel
704  * Returns the 80+80 MHz chanspec corresponding to the following input parameters
706  *    primary_20mhz - Primary 20 MHz channel
711  * The primary channel must be contained in one of the 80MHz channels. This routine
712  * will determine which frequency segment is the primary 80 MHz segment.
722  * Returns the center channel of the primary 80 MHz sub-band of the provided chanspec
726  * @return	center channel number of the primary 80MHz sub-band of the input.
727  *		Will return the center channel of an input 80MHz chspec.
728  *		Will return INVCHANNEL if the chspec is malformed or less than 80MHz bw.
733  * Returns the center channel of the secondary 80 MHz sub-band of the provided chanspec
737  * @return	center channel number of the secondary 80MHz sub-band of the input.
738  *		Will return INVCHANNEL if the chspec is malformed or bw is not greater than 80MHz.
743  * Returns the chanspec for the primary 80MHz sub-band of an 160MHz or 80+80 channel
747  * @return	An 80MHz chanspec describing the primary 80MHz sub-band of the input.
748  *		Will return an input 80MHz chspec as is.
749  *		Will return INVCHANSPEC if the chspec is malformed or less than 80MHz bw.
754  * Returns the chanspec for the secondary 80MHz sub-band of an 160MHz or 80+80 channel
756  * does not contain the primary 20MHz channel.
760  * @return	An 80MHz chanspec describing the secondary 80MHz sub-band of the input.
761  *		Will return INVCHANSPEC if the chspec is malformed or bw is not greater than 80MHz.
766  * Returns the center channel of the primary 160MHz sub-band of the provided chanspec
770  * @return	center channel number of the primary 160MHz sub-band of the input.
771  *		Will return the center channel of an input 160MHz chspec.
772  *		Will return INVCHANNEL if the chspec is malformed or less than 160MHz bw.
777  * Returns the chanspec for the primary 160MHz sub-band of an 320MHz channel
781  * @return	An 160MHz chanspec describing the primary 160MHz sub-band of the input.
782  *		Will return an input 160MHz chspec as is.
783  *		Will return INVCHANSPEC if the chspec is malformed or less than 160MHz bw.
788  * For 160MHz or 80P80 chanspec, set ch[0]/ch[1] to be the low/high 80 Mhz channels
790  * For 20/40/80MHz chanspec, set ch[0] to be the center freq, and chan[1]=-1
866 /* Populates array with all 20MHz side bands of a given chanspec_t in the following order:
871  * Works with 20, 40, 80 and 160MHz chspec
878  * (Overlap: At least one 20MHz subband is common between the two chanspecs provided)