static void sprom_extract_r123()

in pci.c [363:427]

• 61 lines of code
• 5 McCabe index (conditional complexity)

static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
{
	u16 loc[3];

	if (out->revision == 3)			/* rev 3 moved MAC */
		loc[0] = SSB_SPROM3_IL0MAC;
	else {
		loc[0] = SSB_SPROM1_IL0MAC;
		loc[1] = SSB_SPROM1_ET0MAC;
		loc[2] = SSB_SPROM1_ET1MAC;
	}
	sprom_get_mac(out->il0mac, &in[SPOFF(loc[0])]);
	if (out->revision < 3) { 	/* only rev 1-2 have et0, et1 */
		sprom_get_mac(out->et0mac, &in[SPOFF(loc[1])]);
		sprom_get_mac(out->et1mac, &in[SPOFF(loc[2])]);
	}
	SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0);
	SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A,
	     SSB_SPROM1_ETHPHY_ET1A_SHIFT);
	SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14);
	SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15);
	SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0);
	SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
	if (out->revision == 1)
		SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE,
		     SSB_SPROM1_BINF_CCODE_SHIFT);
	SPEX(ant_available_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA,
	     SSB_SPROM1_BINF_ANTA_SHIFT);
	SPEX(ant_available_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG,
	     SSB_SPROM1_BINF_ANTBG_SHIFT);
	SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0);
	SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0);
	SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0);
	SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0);
	SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0);
	SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0);
	SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0);
	SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1,
	     SSB_SPROM1_GPIOA_P1_SHIFT);
	SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0);
	SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3,
	     SSB_SPROM1_GPIOB_P3_SHIFT);
	SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A,
	     SSB_SPROM1_MAXPWR_A_SHIFT);
	SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0);
	SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A,
	     SSB_SPROM1_ITSSI_A_SHIFT);
	SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0);
	SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0);

	SPEX(alpha2[0], SSB_SPROM1_CCODE, 0xff00, 8);
	SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0);

	/* Extract the antenna gain values. */
	out->antenna_gain.a0 = sprom_extract_antgain(out->revision, in,
						     SSB_SPROM1_AGAIN,
						     SSB_SPROM1_AGAIN_BG,
						     SSB_SPROM1_AGAIN_BG_SHIFT);
	out->antenna_gain.a1 = sprom_extract_antgain(out->revision, in,
						     SSB_SPROM1_AGAIN,
						     SSB_SPROM1_AGAIN_A,
						     SSB_SPROM1_AGAIN_A_SHIFT);
	if (out->revision >= 2)
		sprom_extract_r23(out, in);
}