diff options
author | Luciano Coelho <coelho@ti.com> | 2011-04-20 21:33:39 +0300 |
---|---|---|
committer | Luciano Coelho <coelho@ti.com> | 2011-04-20 21:33:39 +0300 |
commit | 2cd9da254ac45b26422f5254091a44faa0799356 (patch) | |
tree | 01a62929c3eaaf83a9001a6604970df6efec2850 | |
parent | 240e7d091ad2554b8ce77c4f99861b8be88bedee (diff) | |
parent | 9b583ec338edd8cb4b0a5bcc7d6d069f62db0581 (diff) |
Merge branch 'wl12xx-next'wl12xx-2011-04-20
-rw-r--r-- | drivers/net/wireless/wl12xx/acx.c | 40 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/acx.h | 61 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/cmd.c | 7 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/conf.h | 21 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/init.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 49 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/ps.c | 30 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/rx.c | 3 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx.h | 1 |
10 files changed, 208 insertions, 11 deletions
diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c index b277947400b..18a8828b12c 100644 --- a/drivers/net/wireless/wl12xx/acx.c +++ b/drivers/net/wireless/wl12xx/acx.c @@ -1602,3 +1602,43 @@ out: kfree(acx); return ret; } + +int wl1271_acx_fm_coex(struct wl1271 *wl) +{ + struct wl1271_acx_fm_coex *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx fm coex setting"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->enable = wl->conf.fm_coex.enable; + acx->swallow_period = wl->conf.fm_coex.swallow_period; + acx->n_divider_fref_set_1 = wl->conf.fm_coex.n_divider_fref_set_1; + acx->n_divider_fref_set_2 = wl->conf.fm_coex.n_divider_fref_set_2; + acx->m_divider_fref_set_1 = + cpu_to_le16(wl->conf.fm_coex.m_divider_fref_set_1); + acx->m_divider_fref_set_2 = + cpu_to_le16(wl->conf.fm_coex.m_divider_fref_set_2); + acx->coex_pll_stabilization_time = + cpu_to_le32(wl->conf.fm_coex.coex_pll_stabilization_time); + acx->ldo_stabilization_time = + cpu_to_le16(wl->conf.fm_coex.ldo_stabilization_time); + acx->fm_disturbed_band_margin = + wl->conf.fm_coex.fm_disturbed_band_margin; + acx->swallow_clk_diff = wl->conf.fm_coex.swallow_clk_diff; + + ret = wl1271_cmd_configure(wl, ACX_FM_COEX_CFG, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("acx fm coex setting failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/acx.h index 0a40caeab2a..dd754632f53 100644 --- a/drivers/net/wireless/wl12xx/acx.h +++ b/drivers/net/wireless/wl12xx/acx.h @@ -1172,6 +1172,65 @@ struct wl1271_acx_inconnection_sta { u8 padding1[2]; } __packed; +/* + * ACX_FM_COEX_CFG + * set the FM co-existence parameters. + */ +struct wl1271_acx_fm_coex { + struct acx_header header; + /* enable(1) / disable(0) the FM Coex feature */ + u8 enable; + /* + * Swallow period used in COEX PLL swallowing mechanism. + * 0xFF = use FW default + */ + u8 swallow_period; + /* + * The N divider used in COEX PLL swallowing mechanism for Fref of + * 38.4/19.2 Mhz. 0xFF = use FW default + */ + u8 n_divider_fref_set_1; + /* + * The N divider used in COEX PLL swallowing mechanism for Fref of + * 26/52 Mhz. 0xFF = use FW default + */ + u8 n_divider_fref_set_2; + /* + * The M divider used in COEX PLL swallowing mechanism for Fref of + * 38.4/19.2 Mhz. 0xFFFF = use FW default + */ + __le16 m_divider_fref_set_1; + /* + * The M divider used in COEX PLL swallowing mechanism for Fref of + * 26/52 Mhz. 0xFFFF = use FW default + */ + __le16 m_divider_fref_set_2; + /* + * The time duration in uSec required for COEX PLL to stabilize. + * 0xFFFFFFFF = use FW default + */ + __le32 coex_pll_stabilization_time; + /* + * The time duration in uSec required for LDO to stabilize. + * 0xFFFFFFFF = use FW default + */ + __le16 ldo_stabilization_time; + /* + * The disturbed frequency band margin around the disturbed frequency + * center (single sided). + * For example, if 2 is configured, the following channels will be + * considered disturbed channel: + * 80 +- 0.1 MHz, 91 +- 0.1 MHz, 98 +- 0.1 MHz, 102 +- 0.1 MH + * 0xFF = use FW default + */ + u8 fm_disturbed_band_margin; + /* + * The swallow clock difference of the swallowing mechanism. + * 0xFF = use FW default + */ + u8 swallow_clk_diff; +} __packed; + enum { ACX_WAKE_UP_CONDITIONS = 0x0002, ACX_MEM_CFG = 0x0003, @@ -1201,6 +1260,7 @@ enum { ACX_BCN_DTIM_OPTIONS = 0x0031, ACX_SG_ENABLE = 0x0032, ACX_SG_CFG = 0x0033, + ACX_FM_COEX_CFG = 0x0034, ACX_BEACON_FILTER_TABLE = 0x0038, ACX_ARP_IP_FILTER = 0x0039, ACX_ROAMING_STATISTICS_TBL = 0x003B, @@ -1310,5 +1370,6 @@ int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime); int wl1271_acx_max_tx_retry(struct wl1271 *wl); int wl1271_acx_config_ps(struct wl1271 *wl); int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr); +int wl1271_acx_fm_coex(struct wl1271 *wl); #endif /* __WL1271_ACX_H__ */ diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index 9bc45186b99..99171294c57 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -129,6 +129,9 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) if (gp->tx_bip_fem_auto_detect) answer = true; + /* Override the REF CLK from the NVS with the one from platform data */ + gen_parms->general_params.ref_clock = wl->ref_clock; + ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); if (ret < 0) { wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); @@ -168,6 +171,10 @@ int wl128x_cmd_general_parms(struct wl1271 *wl) if (gp->tx_bip_fem_auto_detect) answer = true; + /* Replace REF and TCXO CLKs with the ones from platform data */ + gen_parms->general_params.ref_clock = wl->ref_clock; + gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock; + ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); if (ret < 0) { wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h index edc158c0470..a5841ce159a 100644 --- a/drivers/net/wireless/wl12xx/conf.h +++ b/drivers/net/wireless/wl12xx/conf.h @@ -516,6 +516,13 @@ struct conf_rx_settings { #define CONF_TX_AP_DEFAULT_MGMT_RATES (CONF_HW_BIT_RATE_1MBPS | \ CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS) +/* + * Default rates for working as IBSS. use 11b rates + */ +#define CONF_TX_IBSS_DEFAULT_RATES (CONF_HW_BIT_RATE_1MBPS | \ + CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS | \ + CONF_HW_BIT_RATE_11MBPS); + struct conf_tx_rate_class { /* @@ -1184,6 +1191,19 @@ struct conf_memory_settings { u8 tx_min; }; +struct conf_fm_coex { + u8 enable; + u8 swallow_period; + u8 n_divider_fref_set_1; + u8 n_divider_fref_set_2; + u16 m_divider_fref_set_1; + u16 m_divider_fref_set_2; + u32 coex_pll_stabilization_time; + u16 ldo_stabilization_time; + u8 fm_disturbed_band_margin; + u8 swallow_clk_diff; +}; + struct conf_drv_settings { struct conf_sg_settings sg; struct conf_rx_settings rx; @@ -1197,6 +1217,7 @@ struct conf_drv_settings { struct conf_ht_setting ht; struct conf_memory_settings mem_wl127x; struct conf_memory_settings mem_wl128x; + struct conf_fm_coex fm_coex; u8 hci_io_ds; }; diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index cf466074237..d2dc09eccdd 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -356,6 +356,11 @@ static int wl1271_sta_hw_init(struct wl1271 *wl) if (ret < 0) return ret; + /* FM WLAN coexistence */ + ret = wl1271_acx_fm_coex(wl); + if (ret < 0) + return ret; + /* Beacons and broadcast settings */ ret = wl1271_init_beacon_broadcast(wl); if (ret < 0) diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 866453bc1d1..dad81f693b1 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -319,6 +319,18 @@ static struct conf_drv_settings default_conf = { .min_req_rx_blocks = 22, .tx_min = 27, }, + .fm_coex = { + .enable = true, + .swallow_period = 5, + .n_divider_fref_set_1 = 0xff, /* default */ + .n_divider_fref_set_2 = 12, + .m_divider_fref_set_1 = 148, + .m_divider_fref_set_2 = 0xffff, /* default */ + .coex_pll_stabilization_time = 0xffffffff, /* default */ + .ldo_stabilization_time = 0xffff, /* default */ + .fm_disturbed_band_margin = 0xff, /* default */ + .swallow_clk_diff = 0xff, /* default */ + }, .hci_io_ds = HCI_IO_DS_6MA, }; @@ -507,6 +519,11 @@ static int wl1271_plt_init(struct wl1271 *wl) if (ret < 0) goto out_free_memmap; + /* FM WLAN coexistence */ + ret = wl1271_acx_fm_coex(wl); + if (ret < 0) + goto out_free_memmap; + /* Energy detection */ ret = wl1271_init_energy_detection(wl); if (ret < 0) @@ -1010,6 +1027,10 @@ static int wl1271_chip_wakeup(struct wl1271 *wl) wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", wl->chip.id); + /* end-of-transaction flag should be set in wl127x AP mode */ + if (wl->bss_type == BSS_TYPE_AP_BSS) + wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION; + ret = wl1271_setup(wl); if (ret < 0) goto out; @@ -2504,6 +2525,24 @@ static void wl1271_bss_info_changed_ap(struct wl1271 *wl, } } + if (changed & BSS_CHANGED_IBSS) { + wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", + bss_conf->ibss_joined); + + if (bss_conf->ibss_joined) { + u32 rates = bss_conf->basic_rates; + wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, + rates); + wl->basic_rate = wl1271_tx_min_rate_get(wl); + + /* by default, use 11b rates */ + wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES; + ret = wl1271_acx_sta_rate_policies(wl); + if (ret < 0) + goto out; + } + } + ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); if (ret < 0) goto out; @@ -2693,8 +2732,10 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, } } else { /* use defaults when not associated */ + bool was_assoc = + !!test_and_clear_bit(WL1271_FLAG_STA_ASSOCIATED, + &wl->flags); clear_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags); - clear_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags); wl->aid = 0; /* free probe-request template */ @@ -2720,8 +2761,10 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, goto out; /* restore the bssid filter and go to dummy bssid */ - wl1271_unjoin(wl); - wl1271_dummy_join(wl); + if (was_assoc) { + wl1271_unjoin(wl); + wl1271_dummy_join(wl); + } } } diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/ps.c index b8deada5d02..b59b67711a1 100644 --- a/drivers/net/wireless/wl12xx/ps.c +++ b/drivers/net/wireless/wl12xx/ps.c @@ -43,6 +43,10 @@ void wl1271_elp_work(struct work_struct *work) if (unlikely(wl->state == WL1271_STATE_OFF)) goto out; + /* our work might have been already cancelled */ + if (unlikely(!test_bit(WL1271_FLAG_ELP_REQUESTED, &wl->flags))) + goto out; + if (test_bit(WL1271_FLAG_IN_ELP, &wl->flags) || (!test_bit(WL1271_FLAG_PSM, &wl->flags) && !test_bit(WL1271_FLAG_IDLE, &wl->flags))) @@ -61,12 +65,16 @@ out: /* Routines to toggle sleep mode while in ELP */ void wl1271_ps_elp_sleep(struct wl1271 *wl) { - if (test_bit(WL1271_FLAG_PSM, &wl->flags) || - test_bit(WL1271_FLAG_IDLE, &wl->flags)) { - cancel_delayed_work(&wl->elp_work); - ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, - msecs_to_jiffies(ELP_ENTRY_DELAY)); - } + /* we shouldn't get consecutive sleep requests */ + if (WARN_ON(test_and_set_bit(WL1271_FLAG_ELP_REQUESTED, &wl->flags))) + return; + + if (!test_bit(WL1271_FLAG_PSM, &wl->flags) && + !test_bit(WL1271_FLAG_IDLE, &wl->flags)) + return; + + ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, + msecs_to_jiffies(ELP_ENTRY_DELAY)); } int wl1271_ps_elp_wakeup(struct wl1271 *wl) @@ -77,6 +85,16 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl) u32 start_time = jiffies; bool pending = false; + /* + * we might try to wake up even if we didn't go to sleep + * before (e.g. on boot) + */ + if (!test_and_clear_bit(WL1271_FLAG_ELP_REQUESTED, &wl->flags)) + return 0; + + /* don't cancel_sync as it might contend for a mutex and deadlock */ + cancel_delayed_work(&wl->elp_work); + if (!test_bit(WL1271_FLAG_IN_ELP, &wl->flags)) return 0; diff --git a/drivers/net/wireless/wl12xx/rx.c b/drivers/net/wireless/wl12xx/rx.c index 2a581495d5c..faf5a1d3c2c 100644 --- a/drivers/net/wireless/wl12xx/rx.c +++ b/drivers/net/wireless/wl12xx/rx.c @@ -121,7 +121,8 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length) wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon); - wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s", skb, skb->len, + wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s", skb, + skb->len - desc->pad_len, beacon ? "beacon" : ""); skb_trim(skb, skb->len - desc->pad_len); diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 7a3339fd341..c8366596446 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -630,7 +630,7 @@ void wl1271_tx_work(struct work_struct *work) wl1271_tx_work_locked(wl); - wl1271_ps_elp_wakeup(wl); + wl1271_ps_elp_sleep(wl); out: mutex_unlock(&wl->mutex); } diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index fb2b79fa42b..b7601438eca 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -346,6 +346,7 @@ enum wl12xx_flags { WL1271_FLAG_TX_QUEUE_STOPPED, WL1271_FLAG_TX_PENDING, WL1271_FLAG_IN_ELP, + WL1271_FLAG_ELP_REQUESTED, WL1271_FLAG_PSM, WL1271_FLAG_PSM_REQUESTED, WL1271_FLAG_IRQ_RUNNING, |