drivers/infineon/bcmwifi_channels.h

37 /* A chanspec holds the channel number, band, bandwidth and primary 20MHz sideband */
48 #define CH_5MHZ_APART			1	/* 2G band channels are 5 Mhz apart */
52 #define CH_MIN_2G_40M_CHANNEL             3u    /* Min 40MHz center channel in 2G band */
53 #define CH_MAX_2G_40M_CHANNEL            11u    /* Max 40MHz center channel in 2G band */
134 /* pass a 80MHz channel number (uint8) to get respective LL, UU, LU, UL */
216 /* pass a center channel and get channel offset from it by 10MHz */
224 /* pass a 160MHz center channel to get 20MHz subband channel numbers */
226 #define LLU_20_SB_160(channel)  CH_OFF_10MHZ_MULTIPLES(channel, -5)
231 #define UUL_20_SB_160(channel)  CH_OFF_10MHZ_MULTIPLES(channel,  5)
234 /* given an 80p80 channel, return the lower 80MHz sideband */
239 /* given an 80p80 channel, return the upper 80MHz sideband */
244 /* pass an 80P80 chanspec (not channel) to get 20MHz subnand channel numbers */
254 /* get lowest 20MHz sideband of a given chspec
264 /* get upper most 20MHz sideband of a given chspec
274 /* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband
283 /* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband
316 /* get lowest 20MHz sideband of a given chspec
323 /* get upper most 20MHz sideband of a given chspec
331 /* call this with chspec and a valid 20MHz sideband of this channel to get the next 20MHz sideband
341 /* Iterator for 20MHz side bands of a chanspec: (chanspec_t chspec, uint8 channel)
481  * chan_freq = chan_factor * 500Mhz + chan_number * 5
486  * The value corresponds to 2407 MHz.
488 #define WF_CHAN_FACTOR_2_4_G		4814	/* 2.4 GHz band, 2407 MHz */
491  * Channel Factor for the starting frequence of 5 GHz channels.
492  * The value corresponds to 5000 MHz.
494 #define WF_CHAN_FACTOR_5_G		10000	/* 5   GHz band, 5000 MHz */
498  * The value corresponds to 4000 MHz.
502 #define WLC_2G_25MHZ_OFFSET		5	/* 2.4GHz band channel offset */
505  *  No of sub-band vlaue of the specified Mhz chanspec
513  * Return the chanspec bandwidth in MHz
514  * Bandwidth of 160 MHz will be returned for 80+80MHz chanspecs.
518  * @return	bandwidth of chspec in MHz units
590  * Return the primary 20MHz channel.
592  * This function returns the channel number of the primary 20MHz channel. For
593  * 20MHz channels this is just the channel number. For 40MHz or wider channels
594  * it is the primary 20MHz channel specified by the chanspec.
598  * @return Returns the channel number of the primary 20MHz channel
613  *         "5", "10", "20", "40", "80", "160", "80+80"
618  * Create a 20MHz chanspec for the given band.
623  * Return the primary 20MHz chanspec.
625  * This function returns the chanspec of the primary 20MHz channel. For 20MHz
626  * channels this is just the chanspec. For 40MHz or wider channels it is the
627  * chanspec of the primary 20MHZ channel specified by the chanspec.
631  * @return Returns the chanspec of the primary 20MHz channel
639  * Return the primary 40MHz chanspec.
641  * This function returns the chanspec for the primary 40MHz of an 80MHz or wider channel.
642  * The primary 20MHz channel of the returned 40MHz chanspec is the same as the primary 20MHz
650  * If the given base frequency is zero, a base frequency of 5 GHz is assumed for
651  * frequencies from 5 - 6 GHz, and 2.407 GHz is assumed for 2.4 - 2.5 GHz.
653  * Frequency is specified in MHz.
656  * 2.4 GHz and 5 GHz bands.
662  * multiple of 5 MHz from the base frequency to the base plus 1 GHz.
666  * @param	freq          frequency in MHz
667  * @param	start_factor  base frequency in 500 kHz units, e.g. 10000 for 5 GHz
677  * Return the center frequency in MHz of the given channel and base frequency.
679  * Return the center frequency in MHz of the given channel and base frequency.
685  * 2.4 GHz and 5 GHz bands.
688  * Odd start_factors produce channels on .5 MHz boundaries, in which case
689  * the answer is rounded down to an integral MHz.
695  * @param	start_factor  base frequency in 500 kHz units, e.g. 10000 for 5 GHz
697  * @return Returns a frequency in MHz
705  * Returns the chanspec 80Mhz channel corresponding to the following input
708  *	primary_channel - primary 20Mhz channel
709  *	center_channel   - center frequecny of the 80Mhz channel
732  * Returns the 80+80 MHz chanspec corresponding to the following input parameters
734  *    primary_20mhz - Primary 20 MHz channel
739  * The primary channel must be contained in one of the 80MHz channels. This routine
740  * will determine which frequency segment is the primary 80 MHz segment.
750  * Returns the center channel of the primary 80 MHz sub-band of the provided chanspec
754  * @return	center channel number of the primary 80MHz sub-band of the input.
755  *		Will return the center channel of an input 80MHz chspec.
756  *		Will return INVCHANNEL if the chspec is malformed or less than 80MHz bw.
761  * Returns the center channel of the secondary 80 MHz sub-band of the provided chanspec
765  * @return	center channel number of the secondary 80MHz sub-band of the input.
766  *		Will return INVCHANNEL if the chspec is malformed or bw is not greater than 80MHz.
771  * Returns the chanspec for the primary 80MHz sub-band of an 160MHz or 80+80 channel
775  * @return	An 80MHz chanspec describing the primary 80MHz sub-band of the input.
776  *		Will return an input 80MHz chspec as is.
777  *		Will return INVCHANSPEC if the chspec is malformed or less than 80MHz bw.
782  * Returns the chanspec for the secondary 80MHz sub-band of an 160MHz or 80+80 channel
784  * does not contain the primary 20MHz channel.
788  * @return	An 80MHz chanspec describing the secondary 80MHz sub-band of the input.
789  *		Will return INVCHANSPEC if the chspec is malformed or bw is not greater than 80MHz.
794  * For 160MHz or 80P80 chanspec, set ch[0]/ch[1] to be the low/high 80 Mhz channels
796  * For 20/40/80MHz chanspec, set ch[0] to be the center freq, and chan[1]=-1
803  * In case of 80+80 chanspec it returns the primary 80 Mhz centre channel
810 /* Populates array with all 20MHz side bands of a given chanspec_t in the following order:
815  * Works with 20, 40, 80, 80p80 and 160MHz chspec
822  * (Overlap: At least one 20MHz subband is common between the two chanspecs provided)