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author | Stanislaw Gruszka <sgruszka@redhat.com> | 2011-08-31 12:04:45 (GMT) |
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committer | Stanislaw Gruszka <sgruszka@redhat.com> | 2011-11-15 13:20:23 (GMT) |
commit | 47ef694dd47b1e97a0d766f3c74067bab3debfa5 (patch) | |
tree | 29f0b10ee8ee17e59ac3c3c7768d0be1e5f48ce1 /drivers/net/wireless/iwlegacy/common.h | |
parent | 99412002a07b63781adfc3d1272d3677841d4170 (diff) | |
download | linux-fsl-qoriq-47ef694dd47b1e97a0d766f3c74067bab3debfa5.tar.xz |
iwlegacy: merge iwl-{eeprom,led}.h into common.h
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Diffstat (limited to 'drivers/net/wireless/iwlegacy/common.h')
-rw-r--r-- | drivers/net/wireless/iwlegacy/common.h | 307 |
1 files changed, 303 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlegacy/common.h b/drivers/net/wireless/iwlegacy/common.h index 65c593d..8e4450e 100644 --- a/drivers/net/wireless/iwlegacy/common.h +++ b/drivers/net/wireless/iwlegacy/common.h @@ -31,14 +31,13 @@ #include <linux/kernel.h> #include <linux/leds.h> #include <linux/wait.h> +#include <net/mac80211.h> #include <net/ieee80211_radiotap.h> #include "commands.h" -#include "iwl-eeprom.h" #include "csr.h" #include "iwl-prph.h" #include "iwl-debug.h" -#include "iwl-led.h" struct il_host_cmd; struct il_cmd; @@ -178,6 +177,281 @@ struct il_tx_queue { u8 swq_id; }; +/* + * EEPROM access time values: + * + * Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG. + * Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1). + * When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec. + * Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG. + */ +#define IL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */ + +#define IL_EEPROM_SEM_TIMEOUT 10 /* microseconds */ +#define IL_EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ + + +/* + * Regulatory channel usage flags in EEPROM struct il4965_eeprom_channel.flags. + * + * IBSS and/or AP operation is allowed *only* on those channels with + * (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because + * RADAR detection is not supported by the 4965 driver, but is a + * requirement for establishing a new network for legal operation on channels + * requiring RADAR detection or restricting ACTIVE scanning. + * + * NOTE: "WIDE" flag does not indicate anything about "HT40" 40 MHz channels. + * It only indicates that 20 MHz channel use is supported; HT40 channel + * usage is indicated by a separate set of regulatory flags for each + * HT40 channel pair. + * + * NOTE: Using a channel inappropriately will result in a uCode error! + */ +#define IL_NUM_TX_CALIB_GROUPS 5 +enum { + EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */ + EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */ + /* Bit 2 Reserved */ + EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */ + EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */ + EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */ + /* Bit 6 Reserved (was Narrow Channel) */ + EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */ +}; + +/* SKU Capabilities */ +/* 3945 only */ +#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0) +#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1) + +/* *regulatory* channel data format in eeprom, one for each channel. + * There are separate entries for HT40 (40 MHz) vs. normal (20 MHz) channels. */ +struct il_eeprom_channel { + u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */ + s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */ +} __packed; + +/* 3945 Specific */ +#define EEPROM_3945_EEPROM_VERSION (0x2f) + +/* 4965 has two radio transmitters (and 3 radio receivers) */ +#define EEPROM_TX_POWER_TX_CHAINS (2) + +/* 4965 has room for up to 8 sets of txpower calibration data */ +#define EEPROM_TX_POWER_BANDS (8) + +/* 4965 factory calibration measures txpower gain settings for + * each of 3 target output levels */ +#define EEPROM_TX_POWER_MEASUREMENTS (3) + +/* 4965 Specific */ +/* 4965 driver does not work with txpower calibration version < 5 */ +#define EEPROM_4965_TX_POWER_VERSION (5) +#define EEPROM_4965_EEPROM_VERSION (0x2f) +#define EEPROM_4965_CALIB_VERSION_OFFSET (2*0xB6) /* 2 bytes */ +#define EEPROM_4965_CALIB_TXPOWER_OFFSET (2*0xE8) /* 48 bytes */ +#define EEPROM_4965_BOARD_REVISION (2*0x4F) /* 2 bytes */ +#define EEPROM_4965_BOARD_PBA (2*0x56+1) /* 9 bytes */ + +/* 2.4 GHz */ +extern const u8 il_eeprom_band_1[14]; + +/* + * factory calibration data for one txpower level, on one channel, + * measured on one of the 2 tx chains (radio transmitter and associated + * antenna). EEPROM contains: + * + * 1) Temperature (degrees Celsius) of device when measurement was made. + * + * 2) Gain table idx used to achieve the target measurement power. + * This refers to the "well-known" gain tables (see 4965.h). + * + * 3) Actual measured output power, in half-dBm ("34" = 17 dBm). + * + * 4) RF power amplifier detector level measurement (not used). + */ +struct il_eeprom_calib_measure { + u8 temperature; /* Device temperature (Celsius) */ + u8 gain_idx; /* Index into gain table */ + u8 actual_pow; /* Measured RF output power, half-dBm */ + s8 pa_det; /* Power amp detector level (not used) */ +} __packed; + + +/* + * measurement set for one channel. EEPROM contains: + * + * 1) Channel number measured + * + * 2) Measurements for each of 3 power levels for each of 2 radio transmitters + * (a.k.a. "tx chains") (6 measurements altogether) + */ +struct il_eeprom_calib_ch_info { + u8 ch_num; + struct il_eeprom_calib_measure + measurements[EEPROM_TX_POWER_TX_CHAINS] + [EEPROM_TX_POWER_MEASUREMENTS]; +} __packed; + +/* + * txpower subband info. + * + * For each frequency subband, EEPROM contains the following: + * + * 1) First and last channels within range of the subband. "0" values + * indicate that this sample set is not being used. + * + * 2) Sample measurement sets for 2 channels close to the range endpoints. + */ +struct il_eeprom_calib_subband_info { + u8 ch_from; /* channel number of lowest channel in subband */ + u8 ch_to; /* channel number of highest channel in subband */ + struct il_eeprom_calib_ch_info ch1; + struct il_eeprom_calib_ch_info ch2; +} __packed; + + +/* + * txpower calibration info. EEPROM contains: + * + * 1) Factory-measured saturation power levels (maximum levels at which + * tx power amplifier can output a signal without too much distortion). + * There is one level for 2.4 GHz band and one for 5 GHz band. These + * values apply to all channels within each of the bands. + * + * 2) Factory-measured power supply voltage level. This is assumed to be + * constant (i.e. same value applies to all channels/bands) while the + * factory measurements are being made. + * + * 3) Up to 8 sets of factory-measured txpower calibration values. + * These are for different frequency ranges, since txpower gain + * characteristics of the analog radio circuitry vary with frequency. + * + * Not all sets need to be filled with data; + * struct il_eeprom_calib_subband_info contains range of channels + * (0 if unused) for each set of data. + */ +struct il_eeprom_calib_info { + u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */ + u8 saturation_power52; /* half-dBm */ + __le16 voltage; /* signed */ + struct il_eeprom_calib_subband_info + band_info[EEPROM_TX_POWER_BANDS]; +} __packed; + + +/* General */ +#define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */ +#define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */ +#define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */ +#define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */ +#define EEPROM_VERSION (2*0x44) /* 2 bytes */ +#define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */ +#define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */ +#define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */ +#define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */ +#define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */ + +/* The following masks are to be applied on EEPROM_RADIO_CONFIG */ +#define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */ +#define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */ +#define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */ +#define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */ +#define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */ +#define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */ + +#define EEPROM_3945_RF_CFG_TYPE_MAX 0x0 +#define EEPROM_4965_RF_CFG_TYPE_MAX 0x1 + +/* + * Per-channel regulatory data. + * + * Each channel that *might* be supported by iwl has a fixed location + * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory + * txpower (MSB). + * + * Entries immediately below are for 20 MHz channel width. HT40 (40 MHz) + * channels (only for 4965, not supported by 3945) appear later in the EEPROM. + * + * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 + */ +#define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */ +#define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */ +#define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */ + +/* + * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196, + * 5.0 GHz channels 7, 8, 11, 12, 16 + * (4915-5080MHz) (none of these is ever supported) + */ +#define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */ +#define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */ + +/* + * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 + * (5170-5320MHz) + */ +#define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */ +#define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */ + +/* + * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 + * (5500-5700MHz) + */ +#define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */ +#define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */ + +/* + * 5.7 GHz channels 145, 149, 153, 157, 161, 165 + * (5725-5825MHz) + */ +#define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */ +#define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */ + +/* + * 2.4 GHz HT40 channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11) + * + * The channel listed is the center of the lower 20 MHz half of the channel. + * The overall center frequency is actually 2 channels (10 MHz) above that, + * and the upper half of each HT40 channel is centered 4 channels (20 MHz) away + * from the lower half; e.g. the upper half of HT40 channel 1 is channel 5, + * and the overall HT40 channel width centers on channel 3. + * + * NOTE: The RXON command uses 20 MHz channel numbers to specify the + * control channel to which to tune. RXON also specifies whether the + * control channel is the upper or lower half of a HT40 channel. + * + * NOTE: 4965 does not support HT40 channels on 2.4 GHz. + */ +#define EEPROM_4965_REGULATORY_BAND_24_HT40_CHANNELS (2*0xA0) /* 14 bytes */ + +/* + * 5.2 GHz HT40 channels 36 (40), 44 (48), 52 (56), 60 (64), + * 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161) + */ +#define EEPROM_4965_REGULATORY_BAND_52_HT40_CHANNELS (2*0xA8) /* 22 bytes */ + +#define EEPROM_REGULATORY_BAND_NO_HT40 (0) + +struct il_eeprom_ops { + const u32 regulatory_bands[7]; + int (*acquire_semaphore) (struct il_priv *il); + void (*release_semaphore) (struct il_priv *il); +}; + + +int il_eeprom_init(struct il_priv *il); +void il_eeprom_free(struct il_priv *il); +const u8 *il_eeprom_query_addr(const struct il_priv *il, + size_t offset); +u16 il_eeprom_query16(const struct il_priv *il, size_t offset); +int il_init_channel_map(struct il_priv *il); +void il_free_channel_map(struct il_priv *il); +const struct il_channel_info *il_get_channel_info( + const struct il_priv *il, + enum ieee80211_band band, u16 channel); + + #define IL_NUM_SCAN_RATES (2) struct il4965_channel_tgd_info { @@ -1329,6 +1603,7 @@ il_is_channel_ibss(const struct il_channel_info *ch) return (ch->flags & EEPROM_CHANNEL_IBSS) ? 1 : 0; } + static inline void __il_free_pages(struct il_priv *il, struct page *page) { @@ -1432,7 +1707,7 @@ struct il_lib_ops { int (*send_tx_power) (struct il_priv *il); void (*update_chain_flags)(struct il_priv *il); - /* eeprom operations (as defined in iwl-eeprom.h) */ + /* eeprom operations */ struct il_eeprom_ops eeprom_ops; /* temperature */ @@ -1478,7 +1753,7 @@ struct il_mod_params { /* * @led_compensation: compensate on the led on/off time per HW according * to the deviation to achieve the desired led frequency. - * The detail algorithm is described in iwl-led.c + * The detail algorithm is described in common.c * @chain_noise_num_beacons: number of beacons used to compute chain noise * @wd_timeout: TX queues watchdog timeout * @temperature_kelvin: temperature report by uCode in kelvin @@ -1506,6 +1781,29 @@ struct il_base_params { const bool chain_noise_calib_by_driver; }; +#define IL_LED_SOLID 11 +#define IL_DEF_LED_INTRVL cpu_to_le32(1000) + +#define IL_LED_ACTIVITY (0<<1) +#define IL_LED_LINK (1<<1) + +/* + * LED mode + * IL_LED_DEFAULT: use device default + * IL_LED_RF_STATE: turn LED on/off based on RF state + * LED ON = RF ON + * LED OFF = RF OFF + * IL_LED_BLINK: adjust led blink rate based on blink table + */ +enum il_led_mode { + IL_LED_DEFAULT, + IL_LED_RF_STATE, + IL_LED_BLINK, +}; + +void il_leds_init(struct il_priv *il); +void il_leds_exit(struct il_priv *il); + /** * struct il_cfg * @fw_name_pre: Firmware filename prefix. The api version and extension @@ -3005,4 +3303,5 @@ extern void il3945_rate_control_unregister(void); extern int il_power_update_mode(struct il_priv *il, bool force); extern void il_power_initialize(struct il_priv *il); + #endif /* __il_core_h__ */ |