pcmcia: convert ssb pcmcia driver to use new CIS helpers
SSB is a prime example of how to make use of the new CIS helpers. CC: Michael Buesch <mb@bu3sch.de> Acked-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski
Родитель
dddfbd824b
Коммит
37ace3d413
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@ -617,136 +617,140 @@ static int ssb_pcmcia_sprom_check_crc(const u16 *sprom, size_t size)
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} \
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} while (0)
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int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
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struct ssb_init_invariants *iv)
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static int ssb_pcmcia_get_mac(struct pcmcia_device *p_dev,
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tuple_t *tuple,
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void *priv)
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{
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tuple_t tuple;
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int res;
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unsigned char buf[32];
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struct ssb_sprom *sprom = priv;
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if (tuple->TupleData[0] != CISTPL_FUNCE_LAN_NODE_ID)
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return -EINVAL;
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if (tuple->TupleDataLen != ETH_ALEN + 2)
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return -EINVAL;
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if (tuple->TupleData[1] != ETH_ALEN)
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return -EINVAL;
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memcpy(sprom->il0mac, &tuple->TupleData[2], ETH_ALEN);
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return 0;
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};
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static int ssb_pcmcia_do_get_invariants(struct pcmcia_device *p_dev,
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tuple_t *tuple,
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void *priv)
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{
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struct ssb_init_invariants *iv = priv;
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struct ssb_sprom *sprom = &iv->sprom;
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struct ssb_boardinfo *bi = &iv->boardinfo;
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const char *error_description;
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GOTO_ERROR_ON(tuple->TupleDataLen < 1, "VEN tpl < 1");
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switch (tuple->TupleData[0]) {
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case SSB_PCMCIA_CIS_ID:
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GOTO_ERROR_ON((tuple->TupleDataLen != 5) &&
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(tuple->TupleDataLen != 7),
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"id tpl size");
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bi->vendor = tuple->TupleData[1] |
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((u16)tuple->TupleData[2] << 8);
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break;
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case SSB_PCMCIA_CIS_BOARDREV:
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GOTO_ERROR_ON(tuple->TupleDataLen != 2,
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"boardrev tpl size");
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sprom->board_rev = tuple->TupleData[1];
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break;
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case SSB_PCMCIA_CIS_PA:
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GOTO_ERROR_ON((tuple->TupleDataLen != 9) &&
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(tuple->TupleDataLen != 10),
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"pa tpl size");
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sprom->pa0b0 = tuple->TupleData[1] |
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((u16)tuple->TupleData[2] << 8);
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sprom->pa0b1 = tuple->TupleData[3] |
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((u16)tuple->TupleData[4] << 8);
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sprom->pa0b2 = tuple->TupleData[5] |
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((u16)tuple->TupleData[6] << 8);
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sprom->itssi_a = tuple->TupleData[7];
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sprom->itssi_bg = tuple->TupleData[7];
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sprom->maxpwr_a = tuple->TupleData[8];
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sprom->maxpwr_bg = tuple->TupleData[8];
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break;
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case SSB_PCMCIA_CIS_OEMNAME:
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/* We ignore this. */
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break;
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case SSB_PCMCIA_CIS_CCODE:
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GOTO_ERROR_ON(tuple->TupleDataLen != 2,
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"ccode tpl size");
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sprom->country_code = tuple->TupleData[1];
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break;
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case SSB_PCMCIA_CIS_ANTENNA:
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GOTO_ERROR_ON(tuple->TupleDataLen != 2,
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"ant tpl size");
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sprom->ant_available_a = tuple->TupleData[1];
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sprom->ant_available_bg = tuple->TupleData[1];
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break;
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case SSB_PCMCIA_CIS_ANTGAIN:
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GOTO_ERROR_ON(tuple->TupleDataLen != 2,
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"antg tpl size");
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sprom->antenna_gain.ghz24.a0 = tuple->TupleData[1];
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sprom->antenna_gain.ghz24.a1 = tuple->TupleData[1];
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sprom->antenna_gain.ghz24.a2 = tuple->TupleData[1];
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sprom->antenna_gain.ghz24.a3 = tuple->TupleData[1];
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sprom->antenna_gain.ghz5.a0 = tuple->TupleData[1];
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sprom->antenna_gain.ghz5.a1 = tuple->TupleData[1];
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sprom->antenna_gain.ghz5.a2 = tuple->TupleData[1];
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sprom->antenna_gain.ghz5.a3 = tuple->TupleData[1];
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break;
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case SSB_PCMCIA_CIS_BFLAGS:
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GOTO_ERROR_ON((tuple->TupleDataLen != 3) &&
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(tuple->TupleDataLen != 5),
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"bfl tpl size");
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sprom->boardflags_lo = tuple->TupleData[1] |
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((u16)tuple->TupleData[2] << 8);
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break;
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case SSB_PCMCIA_CIS_LEDS:
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GOTO_ERROR_ON(tuple->TupleDataLen != 5,
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"leds tpl size");
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sprom->gpio0 = tuple->TupleData[1];
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sprom->gpio1 = tuple->TupleData[2];
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sprom->gpio2 = tuple->TupleData[3];
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sprom->gpio3 = tuple->TupleData[4];
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break;
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}
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return -ENOSPC; /* continue with next entry */
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error:
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ssb_printk(KERN_ERR PFX
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"PCMCIA: Failed to fetch device invariants: %s\n",
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error_description);
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return -ENODEV;
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}
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int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
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struct ssb_init_invariants *iv)
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{
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struct ssb_sprom *sprom = &iv->sprom;
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int res;
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memset(sprom, 0xFF, sizeof(*sprom));
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sprom->revision = 1;
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sprom->boardflags_lo = 0;
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sprom->boardflags_hi = 0;
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/* First fetch the MAC address. */
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memset(&tuple, 0, sizeof(tuple));
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tuple.DesiredTuple = CISTPL_FUNCE;
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tuple.TupleData = buf;
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tuple.TupleDataMax = sizeof(buf);
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res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
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GOTO_ERROR_ON(res != 0, "MAC first tpl");
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res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
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GOTO_ERROR_ON(res != 0, "MAC first tpl data");
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while (1) {
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GOTO_ERROR_ON(tuple.TupleDataLen < 1, "MAC tpl < 1");
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if (tuple.TupleData[0] == CISTPL_FUNCE_LAN_NODE_ID)
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break;
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res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
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GOTO_ERROR_ON(res != 0, "MAC next tpl");
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res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
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GOTO_ERROR_ON(res != 0, "MAC next tpl data");
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res = pcmcia_loop_tuple(bus->host_pcmcia, CISTPL_FUNCE,
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ssb_pcmcia_get_mac, sprom);
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if (res != 0) {
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ssb_printk(KERN_ERR PFX
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"PCMCIA: Failed to fetch MAC address\n");
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return -ENODEV;
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}
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GOTO_ERROR_ON(tuple.TupleDataLen != ETH_ALEN + 2, "MAC tpl size");
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memcpy(sprom->il0mac, &tuple.TupleData[2], ETH_ALEN);
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/* Fetch the vendor specific tuples. */
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memset(&tuple, 0, sizeof(tuple));
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tuple.DesiredTuple = SSB_PCMCIA_CIS;
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tuple.TupleData = buf;
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tuple.TupleDataMax = sizeof(buf);
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res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
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GOTO_ERROR_ON(res != 0, "VEN first tpl");
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res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
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GOTO_ERROR_ON(res != 0, "VEN first tpl data");
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while (1) {
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GOTO_ERROR_ON(tuple.TupleDataLen < 1, "VEN tpl < 1");
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switch (tuple.TupleData[0]) {
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case SSB_PCMCIA_CIS_ID:
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GOTO_ERROR_ON((tuple.TupleDataLen != 5) &&
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(tuple.TupleDataLen != 7),
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"id tpl size");
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bi->vendor = tuple.TupleData[1] |
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((u16)tuple.TupleData[2] << 8);
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break;
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case SSB_PCMCIA_CIS_BOARDREV:
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GOTO_ERROR_ON(tuple.TupleDataLen != 2,
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"boardrev tpl size");
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sprom->board_rev = tuple.TupleData[1];
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break;
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case SSB_PCMCIA_CIS_PA:
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GOTO_ERROR_ON((tuple.TupleDataLen != 9) &&
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(tuple.TupleDataLen != 10),
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"pa tpl size");
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sprom->pa0b0 = tuple.TupleData[1] |
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((u16)tuple.TupleData[2] << 8);
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sprom->pa0b1 = tuple.TupleData[3] |
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((u16)tuple.TupleData[4] << 8);
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sprom->pa0b2 = tuple.TupleData[5] |
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((u16)tuple.TupleData[6] << 8);
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sprom->itssi_a = tuple.TupleData[7];
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sprom->itssi_bg = tuple.TupleData[7];
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sprom->maxpwr_a = tuple.TupleData[8];
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sprom->maxpwr_bg = tuple.TupleData[8];
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break;
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case SSB_PCMCIA_CIS_OEMNAME:
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/* We ignore this. */
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break;
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case SSB_PCMCIA_CIS_CCODE:
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GOTO_ERROR_ON(tuple.TupleDataLen != 2,
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"ccode tpl size");
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sprom->country_code = tuple.TupleData[1];
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break;
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case SSB_PCMCIA_CIS_ANTENNA:
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GOTO_ERROR_ON(tuple.TupleDataLen != 2,
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"ant tpl size");
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sprom->ant_available_a = tuple.TupleData[1];
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sprom->ant_available_bg = tuple.TupleData[1];
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break;
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case SSB_PCMCIA_CIS_ANTGAIN:
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GOTO_ERROR_ON(tuple.TupleDataLen != 2,
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"antg tpl size");
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sprom->antenna_gain.ghz24.a0 = tuple.TupleData[1];
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sprom->antenna_gain.ghz24.a1 = tuple.TupleData[1];
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sprom->antenna_gain.ghz24.a2 = tuple.TupleData[1];
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sprom->antenna_gain.ghz24.a3 = tuple.TupleData[1];
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sprom->antenna_gain.ghz5.a0 = tuple.TupleData[1];
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sprom->antenna_gain.ghz5.a1 = tuple.TupleData[1];
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sprom->antenna_gain.ghz5.a2 = tuple.TupleData[1];
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sprom->antenna_gain.ghz5.a3 = tuple.TupleData[1];
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break;
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case SSB_PCMCIA_CIS_BFLAGS:
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GOTO_ERROR_ON((tuple.TupleDataLen != 3) &&
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(tuple.TupleDataLen != 5),
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"bfl tpl size");
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sprom->boardflags_lo = tuple.TupleData[1] |
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((u16)tuple.TupleData[2] << 8);
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break;
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case SSB_PCMCIA_CIS_LEDS:
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GOTO_ERROR_ON(tuple.TupleDataLen != 5,
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"leds tpl size");
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sprom->gpio0 = tuple.TupleData[1];
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sprom->gpio1 = tuple.TupleData[2];
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sprom->gpio2 = tuple.TupleData[3];
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sprom->gpio3 = tuple.TupleData[4];
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break;
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}
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res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
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if (res == -ENOSPC)
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break;
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GOTO_ERROR_ON(res != 0, "VEN next tpl");
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res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
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GOTO_ERROR_ON(res != 0, "VEN next tpl data");
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}
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res = pcmcia_loop_tuple(bus->host_pcmcia, SSB_PCMCIA_CIS,
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ssb_pcmcia_do_get_invariants, sprom);
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if ((res == 0) || (res == -ENOSPC))
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return 0;
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return 0;
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error:
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ssb_printk(KERN_ERR PFX
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"PCMCIA: Failed to fetch device invariants: %s\n",
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error_description);
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"PCMCIA: Failed to fetch device invariants\n");
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return -ENODEV;
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}
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