Add support for the GCT Semiconductor GRF5101 transceiver/synthesizer.
From OpenBSD. GCT will not provide any documentation, so there are many magic numbers in this code.
This commit is contained in:
dyoung
parent
6910fdde2a
commit
92e2a6beb6
@ -1,4 +1,4 @@
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/* $NetBSD: rtw.c,v 1.63 2005/12/29 22:23:52 dyoung Exp $ */
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/* $NetBSD: rtw.c,v 1.64 2005/12/29 22:27:17 dyoung Exp $ */
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/*-
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* Copyright (c) 2004, 2005 David Young. All rights reserved.
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*
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@ -34,7 +34,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rtw.c,v 1.63 2005/12/29 22:23:52 dyoung Exp $");
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__KERNEL_RCSID(0, "$NetBSD: rtw.c,v 1.64 2005/12/29 22:27:17 dyoung Exp $");
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#include "bpfilter.h"
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@ -3967,6 +3967,10 @@ rtw_rf_attach(struct rtw_softc *sc, enum rtw_rfchipid rfchipid, int digphy)
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}
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switch (rfchipid) {
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case RTW_RFCHIPID_GCT:
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rf = rtw_grf5101_create(&sc->sc_regs, rf_write, 0);
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sc->sc_pwrstate_cb = rtw_maxim_pwrstate;
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break;
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case RTW_RFCHIPID_MAXIM:
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rf = rtw_max2820_create(&sc->sc_regs, rf_write, 0);
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sc->sc_pwrstate_cb = rtw_maxim_pwrstate;
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@ -1,4 +1,4 @@
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/* $NetBSD: rtwphy.c,v 1.7 2005/12/11 12:21:28 christos Exp $ */
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/* $NetBSD: rtwphy.c,v 1.8 2005/12/29 22:27:17 dyoung Exp $ */
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/*-
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* Copyright (c) 2004, 2005 David Young. All rights reserved.
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*
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@ -35,7 +35,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rtwphy.c,v 1.7 2005/12/11 12:21:28 christos Exp $");
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__KERNEL_RCSID(0, "$NetBSD: rtwphy.c,v 1.8 2005/12/29 22:27:17 dyoung Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -61,6 +61,13 @@ __KERNEL_RCSID(0, "$NetBSD: rtwphy.c,v 1.7 2005/12/11 12:21:28 christos Exp $");
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static int rtw_max2820_pwrstate(struct rtw_rf *, enum rtw_pwrstate);
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static int rtw_sa2400_pwrstate(struct rtw_rf *, enum rtw_pwrstate);
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#define GCT_WRITE(__gr, __addr, __val, __label) \
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do { \
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if (rtw_rfbus_write(&(__gr)->gr_bus, RTW_RFCHIPID_GCT, \
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(__addr), (__val)) == -1) \
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goto __label; \
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} while(0)
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static int
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rtw_bbp_preinit(struct rtw_regs *regs, u_int antatten0, int dflantb,
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u_int freq)
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@ -451,6 +458,175 @@ rtw_sa2400_create(struct rtw_regs *regs, rtw_rf_write_t rf_write, int digphy)
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return &sa->sa_rf;
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}
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static int
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rtw_grf5101_txpower(struct rtw_rf *rf, uint8_t opaque_txpower)
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{
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struct rtw_grf5101 *gr = (struct rtw_grf5101 *)rf;
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GCT_WRITE(gr, 0x15, 0, err);
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GCT_WRITE(gr, 0x06, opaque_txpower, err);
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GCT_WRITE(gr, 0x15, 0x10, err);
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GCT_WRITE(gr, 0x15, 0x00, err);
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return 0;
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err:
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return -1;
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}
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static int
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rtw_grf5101_pwrstate(struct rtw_rf *rf, enum rtw_pwrstate power)
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{
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struct rtw_grf5101 *gr = (struct rtw_grf5101 *)rf;
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switch (power) {
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case RTW_OFF:
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case RTW_SLEEP:
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GCT_WRITE(gr, 0x07, 0x0000, err);
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GCT_WRITE(gr, 0x1f, 0x0045, err);
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GCT_WRITE(gr, 0x1f, 0x0005, err);
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GCT_WRITE(gr, 0x00, 0x08e4, err);
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default:
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break;
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case RTW_ON:
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GCT_WRITE(gr, 0x1f, 0x0001, err);
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DELAY(10);
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GCT_WRITE(gr, 0x1f, 0x0001, err);
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DELAY(10);
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GCT_WRITE(gr, 0x1f, 0x0041, err);
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DELAY(10);
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GCT_WRITE(gr, 0x1f, 0x0061, err);
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DELAY(10);
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GCT_WRITE(gr, 0x00, 0x0ae4, err);
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DELAY(10);
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GCT_WRITE(gr, 0x07, 0x1000, err);
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DELAY(100);
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break;
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}
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return 0;
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err:
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return -1;
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}
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static int
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rtw_grf5101_tune(struct rtw_rf *rf, u_int freq)
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{
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int channel;
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struct rtw_grf5101 *gr = (struct rtw_grf5101 *)rf;
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if (freq == 2484)
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channel = 14;
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else if ((channel = (freq - 2412) / 5 + 1) < 1 || channel > 13) {
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RTW_DPRINTF(RTW_DEBUG_PHY,
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("%s: invalid channel %d (freq %d)\n", __func__, channel,
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freq));
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return -1;
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}
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GCT_WRITE(gr, 0x07, 0, err);
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GCT_WRITE(gr, 0x0b, channel - 1, err);
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GCT_WRITE(gr, 0x07, 0x1000, err);
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return 0;
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err:
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return -1;
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}
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static int
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rtw_grf5101_init(struct rtw_rf *rf, u_int freq, uint8_t opaque_txpower,
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enum rtw_pwrstate power)
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{
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int rc;
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struct rtw_grf5101 *gr = (struct rtw_grf5101 *)rf;
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/*
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* These values have been derived from the rtl8180-sa2400
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* Linux driver. It is unknown what they all do, GCT refuse
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* to release any documentation so these are more than
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* likely sub optimal settings
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*/
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GCT_WRITE(gr, 0x01, 0x1a23, err);
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GCT_WRITE(gr, 0x02, 0x4971, err);
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GCT_WRITE(gr, 0x03, 0x41de, err);
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GCT_WRITE(gr, 0x04, 0x2d80, err);
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GCT_WRITE(gr, 0x05, 0x61ff, err);
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GCT_WRITE(gr, 0x06, 0x0, err);
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GCT_WRITE(gr, 0x08, 0x7533, err);
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GCT_WRITE(gr, 0x09, 0xc401, err);
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GCT_WRITE(gr, 0x0a, 0x0, err);
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GCT_WRITE(gr, 0x0c, 0x1c7, err);
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GCT_WRITE(gr, 0x0d, 0x29d3, err);
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GCT_WRITE(gr, 0x0e, 0x2e8, err);
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GCT_WRITE(gr, 0x10, 0x192, err);
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GCT_WRITE(gr, 0x11, 0x248, err);
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GCT_WRITE(gr, 0x12, 0x0, err);
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GCT_WRITE(gr, 0x13, 0x20c4, err);
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GCT_WRITE(gr, 0x14, 0xf4fc, err);
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GCT_WRITE(gr, 0x15, 0x0, err);
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GCT_WRITE(gr, 0x16, 0x1500, err);
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if ((rc = rtw_grf5101_txpower(rf, opaque_txpower)) != 0)
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return rc;
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if ((rc = rtw_grf5101_tune(rf, freq)) != 0)
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return rc;
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return 0;
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err:
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return -1;
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}
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static void
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rtw_grf5101_destroy(struct rtw_rf *rf)
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{
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struct rtw_grf5101 *gr = (struct rtw_grf5101 *)rf;
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memset(gr, 0, sizeof(*gr));
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free(gr, M_DEVBUF);
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}
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struct rtw_rf *
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rtw_grf5101_create(struct rtw_regs *regs, rtw_rf_write_t rf_write, int digphy)
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{
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struct rtw_grf5101 *gr;
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struct rtw_rfbus *bus;
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struct rtw_rf *rf;
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struct rtw_bbpset *bb;
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gr = malloc(sizeof(*gr), M_DEVBUF, M_NOWAIT | M_ZERO);
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if (gr == NULL)
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return NULL;
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rf = &gr->gr_rf;
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bus = &gr->gr_bus;
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rf->rf_init = rtw_grf5101_init;
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rf->rf_destroy = rtw_grf5101_destroy;
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rf->rf_txpower = rtw_grf5101_txpower;
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rf->rf_tune = rtw_grf5101_tune;
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rf->rf_pwrstate = rtw_grf5101_pwrstate;
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bb = &rf->rf_bbpset;
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/* XXX magic */
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bb->bb_antatten = RTW_BBP_ANTATTEN_GCT_MAGIC;
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bb->bb_chestlim = 0x00;
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bb->bb_chsqlim = 0xa0;
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bb->bb_ifagcdet = 0x64;
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bb->bb_ifagcini = 0x90;
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bb->bb_ifagclimit = 0x1e;
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bb->bb_lnadet = 0xc0;
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bb->bb_sys1 = 0xa8;
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bb->bb_sys2 = 0x47;
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bb->bb_sys3 = 0x9b;
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bb->bb_trl = 0x88;
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bb->bb_txagc = 0x08;
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bus->b_regs = regs;
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bus->b_write = rf_write;
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return &gr->gr_rf;
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}
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/* freq is in MHz */
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static int
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rtw_max2820_tune(struct rtw_rf *rf, u_int freq)
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@ -1,4 +1,4 @@
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/* $NetBSD: rtwphy.h,v 1.4 2005/12/11 12:21:28 christos Exp $ */
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/* $NetBSD: rtwphy.h,v 1.5 2005/12/29 22:27:17 dyoung Exp $ */
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/*-
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* Copyright (c) 2004, 2005 David Young. All rights reserved.
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*
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@ -32,6 +32,7 @@
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#ifndef _DEV_IC_RTWPHY_H
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#define _DEV_IC_RTWPHY_H
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struct rtw_rf *rtw_grf5101_create(struct rtw_regs *, rtw_rf_write_t, int);
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struct rtw_rf *rtw_sa2400_create(struct rtw_regs *, rtw_rf_write_t, int);
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struct rtw_rf *rtw_max2820_create(struct rtw_regs *, rtw_rf_write_t, int);
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@ -1,4 +1,4 @@
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/* $NetBSD: rtwphyio.c,v 1.9 2005/12/24 20:27:30 perry Exp $ */
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/* $NetBSD: rtwphyio.c,v 1.10 2005/12/29 22:27:17 dyoung Exp $ */
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/*-
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* Copyright (c) 2004, 2005 David Young. All rights reserved.
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*
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@ -35,7 +35,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: rtwphyio.c,v 1.9 2005/12/24 20:27:30 perry Exp $");
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__KERNEL_RCSID(0, "$NetBSD: rtwphyio.c,v 1.10 2005/12/29 22:27:17 dyoung Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -273,15 +273,17 @@ rtw_rf_hostwrite(struct rtw_regs *regs, enum rtw_rfchipid rfchipid,
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lo_to_hi = 1;
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break;
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case RTW_RFCHIPID_GCT:
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KASSERT((addr & ~PRESHIFT(SI4126_TWI_ADDR_MASK)) == 0);
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KASSERT((val & ~PRESHIFT(SI4126_TWI_DATA_MASK)) == 0);
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bits = rtw_grf5101_host_crypt(addr, val);
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nbits = 21;
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lo_to_hi = 1;
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break;
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case RTW_RFCHIPID_RFMD:
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KASSERT((addr & ~PRESHIFT(SI4126_TWI_ADDR_MASK)) == 0);
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KASSERT((val & ~PRESHIFT(SI4126_TWI_DATA_MASK)) == 0);
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if (rfchipid == RTW_RFCHIPID_GCT)
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bits = rtw_grf5101_host_crypt(addr, val);
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else {
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bits = LSHIFT(val, SI4126_TWI_DATA_MASK) |
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LSHIFT(addr, SI4126_TWI_ADDR_MASK);
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}
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bits = LSHIFT(val, SI4126_TWI_DATA_MASK) |
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LSHIFT(addr, SI4126_TWI_ADDR_MASK);
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nbits = 22;
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lo_to_hi = 0;
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break;
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@ -1,4 +1,4 @@
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/* $NetBSD: rtwreg.h,v 1.15 2005/12/13 05:10:55 dyoung Exp $ */
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/* $NetBSD: rtwreg.h,v 1.16 2005/12/29 22:27:17 dyoung Exp $ */
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/*-
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* Copyright (c) 2004, 2005 David Young. All rights reserved.
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*
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@ -1116,6 +1116,7 @@ struct rtw_rxdesc {
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*/
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#define RTW_BBP_ANTATTEN 0x10 /* guess: antenna & attenuation */
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#define RTW_BBP_ANTATTEN_GCT_MAGIC 0xa3
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#define RTW_BBP_ANTATTEN_PHILIPS_MAGIC 0x91
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#define RTW_BBP_ANTATTEN_INTERSIL_MAGIC 0x92
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#define RTW_BBP_ANTATTEN_RFMD_MAGIC 0x93
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@ -1,4 +1,4 @@
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/* $NetBSD: rtwvar.h,v 1.26 2005/12/24 20:27:30 perry Exp $ */
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/* $NetBSD: rtwvar.h,v 1.27 2005/12/29 22:27:17 dyoung Exp $ */
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/*-
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* Copyright (c) 2004, 2005 David Young. All rights reserved.
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*
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@ -374,6 +374,11 @@ struct rtw_max2820 {
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int mx_is_a; /* 1: MAX2820A/MAX2821A */
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};
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struct rtw_grf5101 {
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struct rtw_rf gr_rf;
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struct rtw_rfbus gr_bus;
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};
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struct rtw_sa2400 {
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struct rtw_rf sa_rf;
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struct rtw_rfbus sa_bus;
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