hal.c

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#include "ah.h"
#include <errno.h>
#include "ar5xxx.h"

#define AR5K_DELAY(_n)          delay(_n)
#define AR5K_ELEMENTS(_array)   (sizeof(_array) / sizeof(_array[0]))




#define AR5K_RATES_11A { 8, {                                           \
        255, 255, 255, 255, 255, 255, 255, 255, 6, 4, 2, 0,             \
        7, 5, 3, 1, 255, 255, 255, 255, 255, 255, 255, 255,             \
        255, 255, 255, 255, 255, 255, 255, 255 }, {                     \
        { 1, IEEE80211_T_OFDM, 6000, 11, 0, 140, 0 },                   \
        { 1, IEEE80211_T_OFDM, 9000, 15, 0, 18, 0 },                    \
        { 1, IEEE80211_T_OFDM, 12000, 10, 0, 152, 2 },                  \
        { 1, IEEE80211_T_OFDM, 18000, 14, 0, 36, 2 },                   \
        { 1, IEEE80211_T_OFDM, 24000, 9, 0, 176, 4 },                   \
        { 1, IEEE80211_T_OFDM, 36000, 13, 0, 72, 4 },                   \
        { 1, IEEE80211_T_OFDM, 48000, 8, 0, 96, 4 },                    \
        { 1, IEEE80211_T_OFDM, 54000, 12, 0, 108, 4 } }                 \
}

#define AR5K_RATES_11B { 4, {                                           \
        255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,     \
        255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,     \
        3, 2, 1, 0, 255, 255, 255, 255 }, {                             \
        { 1, IEEE80211_T_CCK, 1000, 27, 0x00, 130, 0 },                 \
        { 1, IEEE80211_T_CCK, 2000, 26, 0x04, 132, 1 },                 \
        { 1, IEEE80211_T_CCK, 5500, 25, 0x04, 139, 1 },                 \
        { 1, IEEE80211_T_CCK, 11000, 24, 0x04, 150, 1 } }               \
}

#define AR5K_RATES_11G { 12, {                                          \
        255, 255, 255, 255, 255, 255, 255, 255, 10, 8, 6, 4,            \
        11, 9, 7, 5, 255, 255, 255, 255, 255, 255, 255, 255,            \
        3, 2, 1, 0, 255, 255, 255, 255 }, {                             \
        { 1, IEEE80211_T_CCK, 1000, 27, 0x00, 2, 0 },                   \
        { 1, IEEE80211_T_CCK, 2000, 26, 0x04, 4, 1 },                   \
        { 1, IEEE80211_T_CCK, 5500, 25, 0x04, 11, 1 },                  \
        { 1, IEEE80211_T_CCK, 11000, 24, 0x04, 22, 1 },                 \
        { 0, IEEE80211_T_OFDM, 6000, 11, 0, 12, 4 },                    \
        { 0, IEEE80211_T_OFDM, 9000, 15, 0, 18, 4 },                    \
        { 1, IEEE80211_T_OFDM, 12000, 10, 0, 24, 6 },                   \
        { 1, IEEE80211_T_OFDM, 18000, 14, 0, 36, 6 },                   \
        { 1, IEEE80211_T_OFDM, 24000, 9, 0, 48, 8 },                    \
        { 1, IEEE80211_T_OFDM, 36000, 13, 0, 72, 8 },                   \
        { 1, IEEE80211_T_OFDM, 48000, 8, 0, 96, 8 },                    \
        { 1, IEEE80211_T_OFDM, 54000, 12, 0, 108, 8 } }                 \
}

#define AR5K_RATES_TURBO { 8, {                                         \
        255, 255, 255, 255, 255, 255, 255, 255, 6, 4, 2, 0,             \
        7, 5, 3, 1, 255, 255, 255, 255, 255, 255, 255, 255,             \
        255, 255, 255, 255, 255, 255, 255, 255 }, {                     \
        { 1, IEEE80211_T_TURBO, 6000, 11, 0, 140, 0 },                  \
        { 1, IEEE80211_T_TURBO, 9000, 15, 0, 18, 0 },                   \
        { 1, IEEE80211_T_TURBO, 12000, 10, 0, 152, 2 },                 \
        { 1, IEEE80211_T_TURBO, 18000, 14, 0, 36, 2 },                  \
        { 1, IEEE80211_T_TURBO, 24000, 9, 0, 176, 4 },                  \
        { 1, IEEE80211_T_TURBO, 36000, 13, 0, 72, 4 },                  \
        { 1, IEEE80211_T_TURBO, 48000, 8, 0, 96, 4 },                   \
        { 1, IEEE80211_T_TURBO, 54000, 12, 0, 108, 4 } }                \
}

#define AR5K_RATES_XR { 12, {                                           \
        255, 3, 1, 255, 255, 255, 2, 0, 10, 8, 6, 4,                    \
        11, 9, 7, 5, 255, 255, 255, 255, 255, 255, 255, 255,            \
        255, 255, 255, 255, 255, 255, 255, 255 }, {                     \
        { 1, IEEE80211_T_XR, 500, 7, 0, 129, 0 },                       \
        { 1, IEEE80211_T_XR, 1000, 2, 0, 139, 1 },                      \
        { 1, IEEE80211_T_XR, 2000, 6, 0, 150, 2 },                      \
        { 1, IEEE80211_T_XR, 3000, 1, 0, 150, 3 },                      \
        { 1, IEEE80211_T_OFDM, 6000, 11, 0, 140, 4 },                   \
        { 1, IEEE80211_T_OFDM, 9000, 15, 0, 18, 4 },                    \
        { 1, IEEE80211_T_OFDM, 12000, 10, 0, 152, 6 },                  \
        { 1, IEEE80211_T_OFDM, 18000, 14, 0, 36, 6 },                   \
        { 1, IEEE80211_T_OFDM, 24000, 9, 0, 176, 8 },                   \
        { 1, IEEE80211_T_OFDM, 36000, 13, 0, 72, 8 },                   \
        { 1, IEEE80211_T_OFDM, 48000, 8, 0, 96, 8 },                    \
        { 1, IEEE80211_T_OFDM, 54000, 12, 0, 108, 8 } }                 \
}




static const HAL_RATE_TABLE ar5k_rt_11a = AR5K_RATES_11A;
static const HAL_RATE_TABLE ar5k_rt_11b = AR5K_RATES_11B;
static const HAL_RATE_TABLE ar5k_rt_11g = AR5K_RATES_11G;
static const HAL_RATE_TABLE ar5k_rt_turbo = AR5K_RATES_TURBO;
static const HAL_RATE_TABLE ar5k_rt_xr = AR5K_RATES_XR;


/*
 * Fills in the HAL structure and initialises the device
 */
struct ath_hal *
ath_hal_attach(device, sc, st, sh, status)
        u_int16_t device;
        HAL_SOFTC sc;
        HAL_BUS_TAG st;
        HAL_BUS_HANDLE sh;
        HAL_STATUS *status;
{
        u_int32_t ieee_regdomain;
        u_int32_t regdomain;
        struct ath_hal *hal = 0;
        ar5k_attach_t *attach = 0;
        u_int8_t mac[6];
        int i;

        *status = EINVAL;

        /*
         * Call the chipset-dependent attach routine by device id
         */
        for (i = 0; i < AR5K_ELEMENTS(ar5k_known_products); i++) {
                if (device == ar5k_known_products[i].device &&
                    ar5k_known_products[i].attach != 0)
                        attach = ar5k_known_products[i].attach;
        }

        if (attach == 0) {
                *status = ENXIO;
                //("device not supported: 0x%04x\n", device);
                return (0);
        }

        if ((hal = (struct ath_hal *) malloc(sizeof(struct ath_hal))) == 0) {
                *status = ENOMEM;
                AR5K_PRINT("out of memory\n");
                return (0);
        }

        bzero(hal, sizeof(struct ath_hal));

        hal->ah_sc = sc;
        hal->ah_st = st;
        hal->ah_sh = sh;
        hal->ah_device = device;
        //hal->ah_sub_vendor = 0; /* XXX unknown?! */

        /*
         * HAL information
         */
        hal->ah_abi = HAL_ABI_VERSION;
        hal->ah_country_code = CTRY_DEFAULT;
        hal->ah_capabilities.cap_regdomain.reg_current = 0x10;
        hal->ah_op_mode = HAL_M_STA;
        hal->ah_radar.r_enabled = AR5K_TUNE_RADAR_ALERT;
        hal->ah_turbo = AH_FALSE;
        hal->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER;
        hal->ah_imr = 0;
        hal->ah_atim_window = 0;
        hal->ah_aifs = AR5K_TUNE_AIFS;
        hal->ah_cw_min = AR5K_TUNE_CWMIN;
        hal->ah_limit_tx_retries = AR5K_INIT_TX_RETRY;
        hal->ah_software_retry = AH_FALSE;
        hal->ah_ant_diversity = AR5K_TUNE_ANT_DIVERSITY;

        if ((attach)(device, hal, st, sh, status) == 0)
                goto failed;

#ifdef AR5K_DEBUG
        hal->ah_dump_state(hal);
#endif

        /*
         * Get card capabilities, values, ...
         */

        if (ar5k_eeprom_init(hal) != 0) {
                AR5K_PRINT("unable to init EEPROM\n");
                goto failed;
        }

        /* Set regulation domain */
        if ((regdomain =
                hal->ah_capabilities.cap_eeprom.ee_regdomain) != 0) {
                hal->ah_capabilities.cap_regdomain.reg_current =
                    ieee_regdomain = ar5k_regdomain_to_ieee(regdomain);
        } else {
                ieee_regdomain =
                    hal->ah_capabilities.cap_regdomain.reg_current;

                /* Try to write default regulation domain to EEPROM */
                ar5k_eeprom_regulation_domain(hal, AH_TRUE, &ieee_regdomain);
        }

        hal->ah_capabilities.cap_regdomain.reg_hw = ieee_regdomain;

        /* Get misc capabilities */
        //if (hal->ah_get_capabilities(hal) != AH_TRUE) {
        //      AR5K_PRINTF("unable to get device capabilities: 0x%04x\n",
        //          device);
        //      goto failed;
        //}

        /* Get MAC address */
        if ((*status = ar5k_eeprom_read_mac(hal, mac)) != 0) {
                AR5K_PRINTF("unable to read address from EEPROM: 0x%04x\n",
                    device);
                goto failed;
        }

        //hal->ah_set_lladdr(hal, mac);

        /* Get rate tables */
        if (hal->ah_capabilities.cap_mode & HAL_MODE_11A)
                ar5k_rt_copy(&hal->ah_rt_11a, &ar5k_rt_11a);
        if (hal->ah_capabilities.cap_mode & HAL_MODE_11B)
                ar5k_rt_copy(&hal->ah_rt_11b, &ar5k_rt_11b);
        if (hal->ah_capabilities.cap_mode & HAL_MODE_11G)
                ar5k_rt_copy(&hal->ah_rt_11g, &ar5k_rt_11g);
        if (hal->ah_capabilities.cap_mode & HAL_MODE_TURBO)
                ar5k_rt_copy(&hal->ah_rt_turbo, &ar5k_rt_turbo);
        //if (hal->ah_capabilities.cap_mode & HAL_MODE_XR)
        //ar5k_rt_copy(&hal->ah_rt_xr, &ar5k_rt_xr);

        /* Initialize the gain optimization values */
        /* XXX
        if (hal->ah_radio == AR5K_AR5111) {
                hal->ah_gain.g_step_idx = ar5111_gain_opt.go_default;
                hal->ah_gain.g_step =
                    &ar5111_gain_opt.go_step[hal->ah_gain.g_step_idx];
                hal->ah_gain.g_low = 20;
                hal->ah_gain.g_high = 35;
                hal->ah_gain.g_active = 1;
        } else if (hal->ah_radio == AR5K_AR5112) {
                hal->ah_gain.g_step_idx = ar5112_gain_opt.go_default;
                hal->ah_gain.g_step =
                    &ar5111_gain_opt.go_step[hal->ah_gain.g_step_idx];
                hal->ah_gain.g_low = 20;
                hal->ah_gain.g_high = 85;
                hal->ah_gain.g_active = 1;
        }
        */

        *status = HAL_OK;

        return (hal);

 failed:
        free(hal);
        return (0);
}

---