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zd_chip.h

/* zd_chip.h
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef _ZD_CHIP_H
#define _ZD_CHIP_H

#include "zd_rf.h"
#include "zd_usb.h"

/* Header for the Media Access Controller (MAC) and the Baseband Processor
 * (BBP). It appears that the ZD1211 wraps the old ZD1205 with USB glue and
 * adds a processor for handling the USB protocol.
 */

/* Address space */
enum {
      /* CONTROL REGISTERS */
      CR_START                = 0x9000,


      /* FIRMWARE */
      FW_START                = 0xee00,


      /* EEPROM */
      E2P_START               = 0xf800,
      E2P_LEN                       = 0x800,

      /* EEPROM layout */
      E2P_LOAD_CODE_LEN       = 0xe,            /* base 0xf800 */
      E2P_LOAD_VECT_LEN       = 0x9,            /* base 0xf80e */
      /* E2P_DATA indexes into this */
      E2P_DATA_LEN                  = 0x7e,           /* base 0xf817 */
      E2P_BOOT_CODE_LEN       = 0x760,    /* base 0xf895 */
      E2P_INTR_VECT_LEN       = 0xb,            /* base 0xfff5 */

      /* Some precomputed offsets into the EEPROM */
      E2P_DATA_OFFSET               = E2P_LOAD_CODE_LEN + E2P_LOAD_VECT_LEN,
      E2P_BOOT_CODE_OFFSET          = E2P_DATA_OFFSET + E2P_DATA_LEN,
};

#define CTL_REG(offset) ((zd_addr_t)(CR_START + (offset)))
#define E2P_DATA(offset) ((zd_addr_t)(E2P_START + E2P_DATA_OFFSET + (offset)))
#define FWRAW_DATA(offset) ((zd_addr_t)(FW_START + (offset)))

/* 8-bit hardware registers */
#define CR0   CTL_REG(0x0000)
#define CR1   CTL_REG(0x0004)
#define CR2   CTL_REG(0x0008)
#define CR3   CTL_REG(0x000C)

#define CR5   CTL_REG(0x0010)
/*    bit 5: if set short preamble used
 *    bit 6: filter band - Japan channel 14 on, else off
 */
#define CR6   CTL_REG(0x0014)
#define CR7   CTL_REG(0x0018)
#define CR8   CTL_REG(0x001C)

#define CR4   CTL_REG(0x0020)

#define CR9   CTL_REG(0x0024)
/*    bit 2: antenna switch (together with CR10) */
#define CR10  CTL_REG(0x0028)
/*    bit 1: antenna switch (together with CR9)
 *    RF2959 controls with CR11 radion on and off
 */
#define CR11  CTL_REG(0x002C)
/*    bit 6:  TX power control for OFDM
 *    RF2959 controls with CR10 radio on and off
 */
#define CR12  CTL_REG(0x0030)
#define CR13  CTL_REG(0x0034)
#define CR14  CTL_REG(0x0038)
#define CR15  CTL_REG(0x003C)
#define CR16  CTL_REG(0x0040)
#define CR17  CTL_REG(0x0044)
#define CR18  CTL_REG(0x0048)
#define CR19  CTL_REG(0x004C)
#define CR20  CTL_REG(0x0050)
#define CR21  CTL_REG(0x0054)
#define CR22  CTL_REG(0x0058)
#define CR23  CTL_REG(0x005C)
#define CR24  CTL_REG(0x0060) /* CCA threshold */
#define CR25  CTL_REG(0x0064)
#define CR26  CTL_REG(0x0068)
#define CR27  CTL_REG(0x006C)
#define CR28  CTL_REG(0x0070)
#define CR29  CTL_REG(0x0074)
#define CR30  CTL_REG(0x0078)
#define CR31  CTL_REG(0x007C) /* TX power control for RF in CCK mode */
#define CR32  CTL_REG(0x0080)
#define CR33  CTL_REG(0x0084)
#define CR34  CTL_REG(0x0088)
#define CR35  CTL_REG(0x008C)
#define CR36  CTL_REG(0x0090)
#define CR37  CTL_REG(0x0094)
#define CR38  CTL_REG(0x0098)
#define CR39  CTL_REG(0x009C)
#define CR40  CTL_REG(0x00A0)
#define CR41  CTL_REG(0x00A4)
#define CR42  CTL_REG(0x00A8)
#define CR43  CTL_REG(0x00AC)
#define CR44  CTL_REG(0x00B0)
#define CR45  CTL_REG(0x00B4)
#define CR46  CTL_REG(0x00B8)
#define CR47  CTL_REG(0x00BC) /* CCK baseband gain
                               * (patch value might be in EEPROM)
                         */
#define CR48  CTL_REG(0x00C0)
#define CR49  CTL_REG(0x00C4)
#define CR50  CTL_REG(0x00C8)
#define CR51  CTL_REG(0x00CC) /* TX power control for RF in 6-36M modes */
#define CR52  CTL_REG(0x00D0) /* TX power control for RF in 48M mode */
#define CR53  CTL_REG(0x00D4) /* TX power control for RF in 54M mode */
#define CR54  CTL_REG(0x00D8)
#define CR55  CTL_REG(0x00DC)
#define CR56  CTL_REG(0x00E0)
#define CR57  CTL_REG(0x00E4)
#define CR58  CTL_REG(0x00E8)
#define CR59  CTL_REG(0x00EC)
#define CR60  CTL_REG(0x00F0)
#define CR61  CTL_REG(0x00F4)
#define CR62  CTL_REG(0x00F8)
#define CR63  CTL_REG(0x00FC)
#define CR64  CTL_REG(0x0100)
#define CR65  CTL_REG(0x0104) /* OFDM 54M calibration */
#define CR66  CTL_REG(0x0108) /* OFDM 48M calibration */
#define CR67  CTL_REG(0x010C) /* OFDM 36M calibration */
#define CR68  CTL_REG(0x0110) /* CCK calibration */
#define CR69  CTL_REG(0x0114)
#define CR70  CTL_REG(0x0118)
#define CR71  CTL_REG(0x011C)
#define CR72  CTL_REG(0x0120)
#define CR73  CTL_REG(0x0124)
#define CR74  CTL_REG(0x0128)
#define CR75  CTL_REG(0x012C)
#define CR76  CTL_REG(0x0130)
#define CR77  CTL_REG(0x0134)
#define CR78  CTL_REG(0x0138)
#define CR79  CTL_REG(0x013C)
#define CR80  CTL_REG(0x0140)
#define CR81  CTL_REG(0x0144)
#define CR82  CTL_REG(0x0148)
#define CR83  CTL_REG(0x014C)
#define CR84  CTL_REG(0x0150)
#define CR85  CTL_REG(0x0154)
#define CR86  CTL_REG(0x0158)
#define CR87  CTL_REG(0x015C)
#define CR88  CTL_REG(0x0160)
#define CR89  CTL_REG(0x0164)
#define CR90  CTL_REG(0x0168)
#define CR91  CTL_REG(0x016C)
#define CR92  CTL_REG(0x0170)
#define CR93  CTL_REG(0x0174)
#define CR94  CTL_REG(0x0178)
#define CR95  CTL_REG(0x017C)
#define CR96  CTL_REG(0x0180)
#define CR97  CTL_REG(0x0184)
#define CR98  CTL_REG(0x0188)
#define CR99  CTL_REG(0x018C)
#define CR100 CTL_REG(0x0190)
#define CR101 CTL_REG(0x0194)
#define CR102 CTL_REG(0x0198)
#define CR103 CTL_REG(0x019C)
#define CR104 CTL_REG(0x01A0)
#define CR105 CTL_REG(0x01A4)
#define CR106 CTL_REG(0x01A8)
#define CR107 CTL_REG(0x01AC)
#define CR108 CTL_REG(0x01B0)
#define CR109 CTL_REG(0x01B4)
#define CR110 CTL_REG(0x01B8)
#define CR111 CTL_REG(0x01BC)
#define CR112 CTL_REG(0x01C0)
#define CR113 CTL_REG(0x01C4)
#define CR114 CTL_REG(0x01C8)
#define CR115 CTL_REG(0x01CC)
#define CR116 CTL_REG(0x01D0)
#define CR117 CTL_REG(0x01D4)
#define CR118 CTL_REG(0x01D8)
#define CR119 CTL_REG(0x01DC)
#define CR120 CTL_REG(0x01E0)
#define CR121 CTL_REG(0x01E4)
#define CR122 CTL_REG(0x01E8)
#define CR123 CTL_REG(0x01EC)
#define CR124 CTL_REG(0x01F0)
#define CR125 CTL_REG(0x01F4)
#define CR126 CTL_REG(0x01F8)
#define CR127 CTL_REG(0x01FC)
#define CR128 CTL_REG(0x0200)
#define CR129 CTL_REG(0x0204)
#define CR130 CTL_REG(0x0208)
#define CR131 CTL_REG(0x020C)
#define CR132 CTL_REG(0x0210)
#define CR133 CTL_REG(0x0214)
#define CR134 CTL_REG(0x0218)
#define CR135 CTL_REG(0x021C)
#define CR136 CTL_REG(0x0220)
#define CR137 CTL_REG(0x0224)
#define CR138 CTL_REG(0x0228)
#define CR139 CTL_REG(0x022C)
#define CR140 CTL_REG(0x0230)
#define CR141 CTL_REG(0x0234)
#define CR142 CTL_REG(0x0238)
#define CR143 CTL_REG(0x023C)
#define CR144 CTL_REG(0x0240)
#define CR145 CTL_REG(0x0244)
#define CR146 CTL_REG(0x0248)
#define CR147 CTL_REG(0x024C)
#define CR148 CTL_REG(0x0250)
#define CR149 CTL_REG(0x0254)
#define CR150 CTL_REG(0x0258)
#define CR151 CTL_REG(0x025C)
#define CR152 CTL_REG(0x0260)
#define CR153 CTL_REG(0x0264)
#define CR154 CTL_REG(0x0268)
#define CR155 CTL_REG(0x026C)
#define CR156 CTL_REG(0x0270)
#define CR157 CTL_REG(0x0274)
#define CR158 CTL_REG(0x0278)
#define CR159 CTL_REG(0x027C)
#define CR160 CTL_REG(0x0280)
#define CR161 CTL_REG(0x0284)
#define CR162 CTL_REG(0x0288)
#define CR163 CTL_REG(0x028C)
#define CR164 CTL_REG(0x0290)
#define CR165 CTL_REG(0x0294)
#define CR166 CTL_REG(0x0298)
#define CR167 CTL_REG(0x029C)
#define CR168 CTL_REG(0x02A0)
#define CR169 CTL_REG(0x02A4)
#define CR170 CTL_REG(0x02A8)
#define CR171 CTL_REG(0x02AC)
#define CR172 CTL_REG(0x02B0)
#define CR173 CTL_REG(0x02B4)
#define CR174 CTL_REG(0x02B8)
#define CR175 CTL_REG(0x02BC)
#define CR176 CTL_REG(0x02C0)
#define CR177 CTL_REG(0x02C4)
#define CR178 CTL_REG(0x02C8)
#define CR179 CTL_REG(0x02CC)
#define CR180 CTL_REG(0x02D0)
#define CR181 CTL_REG(0x02D4)
#define CR182 CTL_REG(0x02D8)
#define CR183 CTL_REG(0x02DC)
#define CR184 CTL_REG(0x02E0)
#define CR185 CTL_REG(0x02E4)
#define CR186 CTL_REG(0x02E8)
#define CR187 CTL_REG(0x02EC)
#define CR188 CTL_REG(0x02F0)
#define CR189 CTL_REG(0x02F4)
#define CR190 CTL_REG(0x02F8)
#define CR191 CTL_REG(0x02FC)
#define CR192 CTL_REG(0x0300)
#define CR193 CTL_REG(0x0304)
#define CR194 CTL_REG(0x0308)
#define CR195 CTL_REG(0x030C)
#define CR196 CTL_REG(0x0310)
#define CR197 CTL_REG(0x0314)
#define CR198 CTL_REG(0x0318)
#define CR199 CTL_REG(0x031C)
#define CR200 CTL_REG(0x0320)
#define CR201 CTL_REG(0x0324)
#define CR202 CTL_REG(0x0328)
#define CR203 CTL_REG(0x032C) /* I2C bus template value & flash control */
#define CR204 CTL_REG(0x0330)
#define CR205 CTL_REG(0x0334)
#define CR206 CTL_REG(0x0338)
#define CR207 CTL_REG(0x033C)
#define CR208 CTL_REG(0x0340)
#define CR209 CTL_REG(0x0344)
#define CR210 CTL_REG(0x0348)
#define CR211 CTL_REG(0x034C)
#define CR212 CTL_REG(0x0350)
#define CR213 CTL_REG(0x0354)
#define CR214 CTL_REG(0x0358)
#define CR215 CTL_REG(0x035C)
#define CR216 CTL_REG(0x0360)
#define CR217 CTL_REG(0x0364)
#define CR218 CTL_REG(0x0368)
#define CR219 CTL_REG(0x036C)
#define CR220 CTL_REG(0x0370)
#define CR221 CTL_REG(0x0374)
#define CR222 CTL_REG(0x0378)
#define CR223 CTL_REG(0x037C)
#define CR224 CTL_REG(0x0380)
#define CR225 CTL_REG(0x0384)
#define CR226 CTL_REG(0x0388)
#define CR227 CTL_REG(0x038C)
#define CR228 CTL_REG(0x0390)
#define CR229 CTL_REG(0x0394)
#define CR230 CTL_REG(0x0398)
#define CR231 CTL_REG(0x039C)
#define CR232 CTL_REG(0x03A0)
#define CR233 CTL_REG(0x03A4)
#define CR234 CTL_REG(0x03A8)
#define CR235 CTL_REG(0x03AC)
#define CR236 CTL_REG(0x03B0)

#define CR240 CTL_REG(0x03C0)
/*    bit 7:  host-controlled RF register writes
 * CR241-CR245: for hardware controlled writing of RF bits, not needed for
 *              USB
 */
#define CR241 CTL_REG(0x03C4)
#define CR242 CTL_REG(0x03C8)
#define CR243 CTL_REG(0x03CC)
#define CR244 CTL_REG(0x03D0)
#define CR245 CTL_REG(0x03D4)

#define CR251 CTL_REG(0x03EC) /* only used for activation and deactivation of
                         * Airoha RFs AL2230 and AL7230B
                         */
#define CR252 CTL_REG(0x03F0)
#define CR253 CTL_REG(0x03F4)
#define CR254 CTL_REG(0x03F8)
#define CR255 CTL_REG(0x03FC)

#define CR_MAX_PHY_REG 255

/* Taken from the ZYDAS driver, not all of them are relevant for the ZD1211
 * driver.
 */

#define CR_RF_IF_CLK                CTL_REG(0x0400)
#define CR_RF_IF_DATA               CTL_REG(0x0404)
#define CR_PE1_PE2                  CTL_REG(0x0408)
#define CR_PE2_DLY                  CTL_REG(0x040C)
#define CR_LE1                      CTL_REG(0x0410)
#define CR_LE2                      CTL_REG(0x0414)
/* Seems to enable/disable GPI (General Purpose IO?) */
#define CR_GPI_EN             CTL_REG(0x0418)
#define CR_RADIO_PD                 CTL_REG(0x042C)
#define CR_RF2948_PD                CTL_REG(0x042C)
#define CR_ENABLE_PS_MANUAL_AGC           CTL_REG(0x043C)
#define CR_CONFIG_PHILIPS           CTL_REG(0x0440)
#define CR_SA2400_SER_AP            CTL_REG(0x0444)
#define CR_I2C_WRITE                CTL_REG(0x0444)
#define CR_SA2400_SER_RP            CTL_REG(0x0448)
#define CR_RADIO_PE                 CTL_REG(0x0458)
#define CR_RST_BUS_MASTER           CTL_REG(0x045C)
#define CR_RFCFG              CTL_REG(0x0464)
#define CR_HSTSCHG                  CTL_REG(0x046C)
#define CR_PHY_ON             CTL_REG(0x0474)
#define CR_RX_DELAY                 CTL_REG(0x0478)
#define CR_RX_PE_DELAY              CTL_REG(0x047C)
#define CR_GPIO_1             CTL_REG(0x0490)
#define CR_GPIO_2             CTL_REG(0x0494)
#define CR_EncryBufMux              CTL_REG(0x04A8)
#define CR_PS_CTRL                  CTL_REG(0x0500)
#define CR_ADDA_PWR_DWN             CTL_REG(0x0504)
#define CR_ADDA_MBIAS_WARMTIME            CTL_REG(0x0508)
#define CR_MAC_PS_STATE             CTL_REG(0x050C)

#define CR_INTERRUPT                CTL_REG(0x0510)
#define INT_TX_COMPLETE             (1 <<  0)
#define INT_RX_COMPLETE             (1 <<  1)
#define INT_RETRY_FAIL              (1 <<  2)
#define INT_WAKEUP                  (1 <<  3)
#define INT_DTIM_NOTIFY             (1 <<  5)
#define INT_CFG_NEXT_BCN            (1 <<  6)
#define INT_BUS_ABORT               (1 <<  7)
#define INT_TX_FIFO_READY           (1 <<  8)
#define INT_UART              (1 <<  9)
#define INT_TX_COMPLETE_EN          (1 << 16)
#define INT_RX_COMPLETE_EN          (1 << 17)
#define INT_RETRY_FAIL_EN           (1 << 18)
#define INT_WAKEUP_EN               (1 << 19)
#define INT_DTIM_NOTIFY_EN          (1 << 21)
#define INT_CFG_NEXT_BCN_EN         (1 << 22)
#define INT_BUS_ABORT_EN            (1 << 23)
#define INT_TX_FIFO_READY_EN        (1 << 24)
#define INT_UART_EN                 (1 << 25)

#define CR_TSF_LOW_PART             CTL_REG(0x0514)
#define CR_TSF_HIGH_PART            CTL_REG(0x0518)

/* Following three values are in time units (1024us)
 * Following condition must be met:
 * atim < tbtt < bcn
 */
#define CR_ATIM_WND_PERIOD          CTL_REG(0x051C)
#define CR_BCN_INTERVAL             CTL_REG(0x0520)
#define CR_PRE_TBTT                 CTL_REG(0x0524)
/* in units of TU(1024us) */

/* for UART support */
#define CR_UART_RBR_THR_DLL         CTL_REG(0x0540)
#define CR_UART_DLM_IER             CTL_REG(0x0544)
#define CR_UART_IIR_FCR             CTL_REG(0x0548)
#define CR_UART_LCR                 CTL_REG(0x054c)
#define CR_UART_MCR                 CTL_REG(0x0550)
#define CR_UART_LSR                 CTL_REG(0x0554)
#define CR_UART_MSR                 CTL_REG(0x0558)
#define CR_UART_ECR                 CTL_REG(0x055c)
#define CR_UART_STATUS              CTL_REG(0x0560)

#define CR_PCI_TX_ADDR_P1           CTL_REG(0x0600)
#define CR_PCI_TX_AddR_P2           CTL_REG(0x0604)
#define CR_PCI_RX_AddR_P1           CTL_REG(0x0608)
#define CR_PCI_RX_AddR_P2           CTL_REG(0x060C)

/* must be overwritten if custom MAC address will be used */
#define CR_MAC_ADDR_P1              CTL_REG(0x0610)
#define CR_MAC_ADDR_P2              CTL_REG(0x0614)
#define CR_BSSID_P1                 CTL_REG(0x0618)
#define CR_BSSID_P2                 CTL_REG(0x061C)
#define CR_BCN_PLCP_CFG             CTL_REG(0x0620)

/* Group hash table for filtering incoming packets.
 *
 * The group hash table is 64 bit large and split over two parts. The first
 * part is the lower part. The upper 6 bits of the last byte of the target
 * address are used as index. Packets are received if the hash table bit is
 * set. This is used for multicast handling, but for broadcasts (address
 * ff:ff:ff:ff:ff:ff) the highest bit in the second table must also be set.
 */
#define CR_GROUP_HASH_P1            CTL_REG(0x0624)
#define CR_GROUP_HASH_P2            CTL_REG(0x0628)

#define CR_RX_TIMEOUT               CTL_REG(0x062C)
/* Basic rates supported by the BSS. When producing ACK or CTS messages, the
 * device will use a rate in this table that is less than or equal to the rate
 * of the incoming frame which prompted the response */
#define CR_BASIC_RATE_TBL           CTL_REG(0x0630)
#define CR_RATE_1M      (1 <<  0)   /* 802.11b */
#define CR_RATE_2M      (1 <<  1)   /* 802.11b */
#define CR_RATE_5_5M    (1 <<  2)   /* 802.11b */
#define CR_RATE_11M     (1 <<  3)   /* 802.11b */
#define CR_RATE_6M      (1 <<  8)   /* 802.11g */
#define CR_RATE_9M      (1 <<  9)   /* 802.11g */
#define CR_RATE_12M     (1 << 10)   /* 802.11g */
#define CR_RATE_18M     (1 << 11)   /* 802.11g */
#define CR_RATE_24M     (1 << 12)   /* 802.11g */
#define CR_RATE_36M     (1 << 13)   /* 802.11g */
#define CR_RATE_48M     (1 << 14)   /* 802.11g */
#define CR_RATE_54M     (1 << 15)   /* 802.11g */
#define CR_RATES_80211G 0xff00
#define CR_RATES_80211B 0x000f

/* Mandatory rates required in the BSS. When producing ACK or CTS messages, if
 * the device could not find an appropriate rate in CR_BASIC_RATE_TBL, it will
 * look for a rate in this table that is less than or equal to the rate of
 * the incoming frame. */
#define CR_MANDATORY_RATE_TBL       CTL_REG(0x0634)
#define CR_RTS_CTS_RATE             CTL_REG(0x0638)

/* These are all bit indexes in CR_RTS_CTS_RATE, so remember to shift. */
#define RTSCTS_SH_RTS_RATE          0
#define RTSCTS_SH_EXP_CTS_RATE            4
#define RTSCTS_SH_RTS_MOD_TYPE            8
#define RTSCTS_SH_RTS_PMB_TYPE            9
#define RTSCTS_SH_CTS_RATE          16
#define RTSCTS_SH_CTS_MOD_TYPE            24
#define RTSCTS_SH_CTS_PMB_TYPE            25

#define CR_WEP_PROTECT              CTL_REG(0x063C)
#define CR_RX_THRESHOLD             CTL_REG(0x0640)

/* register for controlling the LEDS */
#define CR_LED                      CTL_REG(0x0644)
/* masks for controlling LEDs */
#define LED1                        (1 <<  8)
#define LED2                        (1 <<  9)
#define LED_SW                      (1 << 10)

/* Seems to indicate that the configuration is over.
 */
#define CR_AFTER_PNP                CTL_REG(0x0648)
#define CR_ACK_TIME_80211           CTL_REG(0x0658)

#define CR_RX_OFFSET                CTL_REG(0x065c)

#define CR_PHY_DELAY                CTL_REG(0x066C)
#define CR_BCN_FIFO                 CTL_REG(0x0670)
#define CR_SNIFFER_ON               CTL_REG(0x0674)

#define CR_ENCRYPTION_TYPE          CTL_REG(0x0678)
#define NO_WEP                      0
#define WEP64                       1
#define WEP128                      5
#define WEP256                      6
#define ENC_SNIFFER                 8

#define CR_ZD1211_RETRY_MAX         CTL_REG(0x067C)

#define CR_REG1                     CTL_REG(0x0680)
/* Setting the bit UNLOCK_PHY_REGS disallows the write access to physical
 * registers, so one could argue it is a LOCK bit. But calling it
 * LOCK_PHY_REGS makes it confusing.
 */
#define UNLOCK_PHY_REGS             (1 << 7)

#define CR_DEVICE_STATE             CTL_REG(0x0684)
#define CR_UNDERRUN_CNT             CTL_REG(0x0688)

#define CR_RX_FILTER                CTL_REG(0x068c)
#define RX_FILTER_ASSOC_RESPONSE    (1 <<  1)
#define RX_FILTER_REASSOC_RESPONSE  (1 <<  3)
#define RX_FILTER_PROBE_RESPONSE    (1 <<  5)
#define RX_FILTER_BEACON            (1 <<  8)
#define RX_FILTER_DISASSOC          (1 << 10)
#define RX_FILTER_AUTH              (1 << 11)
#define AP_RX_FILTER                0x0400feff
#define STA_RX_FILTER               0x0000ffff

/* Monitor mode sets filter to 0xfffff */

#define CR_ACK_TIMEOUT_EXT          CTL_REG(0x0690)
#define CR_BCN_FIFO_SEMAPHORE       CTL_REG(0x0694)

#define CR_IFS_VALUE                CTL_REG(0x0698)
#define IFS_VALUE_DIFS_SH           0
#define IFS_VALUE_EIFS_SH           12
#define IFS_VALUE_SIFS_SH           24
#define IFS_VALUE_DEFAULT           ((  50 << IFS_VALUE_DIFS_SH) | \
                               (1148 << IFS_VALUE_EIFS_SH) | \
                               (  10 << IFS_VALUE_SIFS_SH))

#define CR_RX_TIME_OUT              CTL_REG(0x069C)
#define CR_TOTAL_RX_FRM             CTL_REG(0x06A0)
#define CR_CRC32_CNT                CTL_REG(0x06A4)
#define CR_CRC16_CNT                CTL_REG(0x06A8)
#define CR_DECRYPTION_ERR_UNI       CTL_REG(0x06AC)
#define CR_RX_FIFO_OVERRUN          CTL_REG(0x06B0)

#define CR_DECRYPTION_ERR_MUL       CTL_REG(0x06BC)

#define CR_NAV_CNT                  CTL_REG(0x06C4)
#define CR_NAV_CCA                  CTL_REG(0x06C8)
#define CR_RETRY_CNT                CTL_REG(0x06CC)

#define CR_READ_TCB_ADDR            CTL_REG(0x06E8)
#define CR_READ_RFD_ADDR            CTL_REG(0x06EC)
#define CR_CWMIN_CWMAX              CTL_REG(0x06F0)
#define CR_TOTAL_TX_FRM             CTL_REG(0x06F4)

/* CAM: Continuous Access Mode (power management) */
#define CR_CAM_MODE                 CTL_REG(0x0700)
#define CR_CAM_ROLL_TB_LOW          CTL_REG(0x0704)
#define CR_CAM_ROLL_TB_HIGH         CTL_REG(0x0708)
#define CR_CAM_ADDRESS              CTL_REG(0x070C)
#define CR_CAM_DATA                 CTL_REG(0x0710)

#define CR_ROMDIR             CTL_REG(0x0714)

#define CR_DECRY_ERR_FLG_LOW        CTL_REG(0x0714)
#define CR_DECRY_ERR_FLG_HIGH       CTL_REG(0x0718)

#define CR_WEPKEY0                  CTL_REG(0x0720)
#define CR_WEPKEY1                  CTL_REG(0x0724)
#define CR_WEPKEY2                  CTL_REG(0x0728)
#define CR_WEPKEY3                  CTL_REG(0x072C)
#define CR_WEPKEY4                  CTL_REG(0x0730)
#define CR_WEPKEY5                  CTL_REG(0x0734)
#define CR_WEPKEY6                  CTL_REG(0x0738)
#define CR_WEPKEY7                  CTL_REG(0x073C)
#define CR_WEPKEY8                  CTL_REG(0x0740)
#define CR_WEPKEY9                  CTL_REG(0x0744)
#define CR_WEPKEY10                 CTL_REG(0x0748)
#define CR_WEPKEY11                 CTL_REG(0x074C)
#define CR_WEPKEY12                 CTL_REG(0x0750)
#define CR_WEPKEY13                 CTL_REG(0x0754)
#define CR_WEPKEY14                 CTL_REG(0x0758)
#define CR_WEPKEY15                 CTL_REG(0x075c)
#define CR_TKIP_MODE                CTL_REG(0x0760)

#define CR_EEPROM_PROTECT0          CTL_REG(0x0758)
#define CR_EEPROM_PROTECT1          CTL_REG(0x075C)

#define CR_DBG_FIFO_RD              CTL_REG(0x0800)
#define CR_DBG_SELECT               CTL_REG(0x0804)
#define CR_FIFO_Length              CTL_REG(0x0808)


#define CR_RSSI_MGC                 CTL_REG(0x0810)

#define CR_PON                      CTL_REG(0x0818)
#define CR_RX_ON              CTL_REG(0x081C)
#define CR_TX_ON              CTL_REG(0x0820)
#define CR_CHIP_EN                  CTL_REG(0x0824)
#define CR_LO_SW              CTL_REG(0x0828)
#define CR_TXRX_SW                  CTL_REG(0x082C)
#define CR_S_MD                     CTL_REG(0x0830)

#define CR_USB_DEBUG_PORT           CTL_REG(0x0888)

#define CR_ZD1211B_TX_PWR_CTL1            CTL_REG(0x0b00)
#define CR_ZD1211B_TX_PWR_CTL2            CTL_REG(0x0b04)
#define CR_ZD1211B_TX_PWR_CTL3            CTL_REG(0x0b08)
#define CR_ZD1211B_TX_PWR_CTL4            CTL_REG(0x0b0c)
#define CR_ZD1211B_AIFS_CTL1        CTL_REG(0x0b10)
#define CR_ZD1211B_AIFS_CTL2        CTL_REG(0x0b14)
#define CR_ZD1211B_TXOP             CTL_REG(0x0b20)
#define CR_ZD1211B_RETRY_MAX        CTL_REG(0x0b28)

/* Used to detect PLL lock */
#define UW2453_INTR_REG             ((zd_addr_t)0x85c1)

#define CWIN_SIZE             0x007f043f


#define HWINT_ENABLED               0x004f0000
#define HWINT_DISABLED              0

#define E2P_PWR_INT_GUARD           8
#define E2P_CHANNEL_COUNT           14

/* If you compare this addresses with the ZYDAS orignal driver, please notify
 * that we use word mapping for the EEPROM.
 */

/*
 * Upper 16 bit contains the regulatory domain.
 */
#define E2P_SUBID       E2P_DATA(0x00)
#define E2P_POD               E2P_DATA(0x02)
#define E2P_MAC_ADDR_P1       E2P_DATA(0x04)
#define E2P_MAC_ADDR_P2       E2P_DATA(0x06)
#define E2P_PWR_CAL_VALUE1    E2P_DATA(0x08)
#define E2P_PWR_CAL_VALUE2    E2P_DATA(0x0a)
#define E2P_PWR_CAL_VALUE3    E2P_DATA(0x0c)
#define E2P_PWR_CAL_VALUE4      E2P_DATA(0x0e)
#define E2P_PWR_INT_VALUE1    E2P_DATA(0x10)
#define E2P_PWR_INT_VALUE2    E2P_DATA(0x12)
#define E2P_PWR_INT_VALUE3    E2P_DATA(0x14)
#define E2P_PWR_INT_VALUE4    E2P_DATA(0x16)

/* Contains a bit for each allowed channel. It gives for Europe (ETSI 0x30)
 * also only 11 channels. */
#define E2P_ALLOWED_CHANNEL   E2P_DATA(0x18)

#define E2P_DEVICE_VER        E2P_DATA(0x20)
#define E2P_PHY_REG           E2P_DATA(0x25)
#define E2P_36M_CAL_VALUE1    E2P_DATA(0x28)
#define E2P_36M_CAL_VALUE2      E2P_DATA(0x2a)
#define E2P_36M_CAL_VALUE3      E2P_DATA(0x2c)
#define E2P_36M_CAL_VALUE4    E2P_DATA(0x2e)
#define E2P_11A_INT_VALUE1    E2P_DATA(0x30)
#define E2P_11A_INT_VALUE2    E2P_DATA(0x32)
#define E2P_11A_INT_VALUE3    E2P_DATA(0x34)
#define E2P_11A_INT_VALUE4    E2P_DATA(0x36)
#define E2P_48M_CAL_VALUE1    E2P_DATA(0x38)
#define E2P_48M_CAL_VALUE2    E2P_DATA(0x3a)
#define E2P_48M_CAL_VALUE3    E2P_DATA(0x3c)
#define E2P_48M_CAL_VALUE4    E2P_DATA(0x3e)
#define E2P_48M_INT_VALUE1    E2P_DATA(0x40)
#define E2P_48M_INT_VALUE2    E2P_DATA(0x42)
#define E2P_48M_INT_VALUE3    E2P_DATA(0x44)
#define E2P_48M_INT_VALUE4    E2P_DATA(0x46)
#define E2P_54M_CAL_VALUE1    E2P_DATA(0x48)    /* ??? */
#define E2P_54M_CAL_VALUE2    E2P_DATA(0x4a)
#define E2P_54M_CAL_VALUE3    E2P_DATA(0x4c)
#define E2P_54M_CAL_VALUE4    E2P_DATA(0x4e)
#define E2P_54M_INT_VALUE1    E2P_DATA(0x50)
#define E2P_54M_INT_VALUE2    E2P_DATA(0x52)
#define E2P_54M_INT_VALUE3    E2P_DATA(0x54)
#define E2P_54M_INT_VALUE4    E2P_DATA(0x56)

/* This word contains the base address of the FW_REG_ registers below */
#define FWRAW_REGS_ADDR       FWRAW_DATA(0x1d)

/* All 16 bit values, offset from the address in FWRAW_REGS_ADDR */
enum {
      FW_REG_FIRMWARE_VER     = 0,
      /* non-zero if USB high speed connection */
      FW_REG_USB_SPEED  = 1,
      FW_REG_FIX_TX_RATE      = 2,
      /* Seems to be able to control LEDs over the firmware */
      FW_REG_LED_LINK_STATUS  = 3,
      FW_REG_SOFT_RESET = 4,
      FW_REG_FLASH_CHK  = 5,
};

/* Values for FW_LINK_STATUS */
#define FW_LINK_OFF           0x0
#define FW_LINK_TX            0x1
/* 0x2 - link led on? */

enum {
      /* indices for ofdm_cal_values */
      OFDM_36M_INDEX = 0,
      OFDM_48M_INDEX = 1,
      OFDM_54M_INDEX = 2,
};

struct zd_chip {
      struct zd_usb usb;
      struct zd_rf rf;
      struct mutex mutex;
      /* Base address of FW_REG_ registers */
      zd_addr_t fw_regs_base;
      /* EepSetPoint in the vendor driver */
      u8 pwr_cal_values[E2P_CHANNEL_COUNT];
      /* integration values in the vendor driver */
      u8 pwr_int_values[E2P_CHANNEL_COUNT];
      /* SetPointOFDM in the vendor driver */
      u8 ofdm_cal_values[3][E2P_CHANNEL_COUNT];
      u16 link_led;
      unsigned int pa_type:4,
            patch_cck_gain:1, patch_cr157:1, patch_6m_band_edge:1,
            new_phy_layout:1, al2230s_bit:1,
            supports_tx_led:1;
};

static inline struct zd_chip *zd_usb_to_chip(struct zd_usb *usb)
{
      return container_of(usb, struct zd_chip, usb);
}

static inline struct zd_chip *zd_rf_to_chip(struct zd_rf *rf)
{
      return container_of(rf, struct zd_chip, rf);
}

#define zd_chip_dev(chip) (&(chip)->usb.intf->dev)

void zd_chip_init(struct zd_chip *chip,
               struct net_device *netdev,
               struct usb_interface *intf);
void zd_chip_clear(struct zd_chip *chip);
int zd_chip_read_mac_addr_fw(struct zd_chip *chip, u8 *addr);
int zd_chip_init_hw(struct zd_chip *chip);
int zd_chip_reset(struct zd_chip *chip);

static inline int zd_chip_is_zd1211b(struct zd_chip *chip)
{
      return chip->usb.is_zd1211b;
}

static inline int zd_ioread16v_locked(struct zd_chip *chip, u16 *values,
                                    const zd_addr_t *addresses,
                              unsigned int count)
{
      ZD_ASSERT(mutex_is_locked(&chip->mutex));
      return zd_usb_ioread16v(&chip->usb, values, addresses, count);
}

static inline int zd_ioread16_locked(struct zd_chip *chip, u16 *value,
                                   const zd_addr_t addr)
{
      ZD_ASSERT(mutex_is_locked(&chip->mutex));
      return zd_usb_ioread16(&chip->usb, value, addr);
}

int zd_ioread32v_locked(struct zd_chip *chip, u32 *values,
                      const zd_addr_t *addresses, unsigned int count);

static inline int zd_ioread32_locked(struct zd_chip *chip, u32 *value,
                                   const zd_addr_t addr)
{
      return zd_ioread32v_locked(chip, value, (const zd_addr_t *)&addr, 1);
}

static inline int zd_iowrite16_locked(struct zd_chip *chip, u16 value,
                                    zd_addr_t addr)
{
      struct zd_ioreq16 ioreq;

      ZD_ASSERT(mutex_is_locked(&chip->mutex));
      ioreq.addr = addr;
      ioreq.value = value;

      return zd_usb_iowrite16v(&chip->usb, &ioreq, 1);
}

int zd_iowrite16a_locked(struct zd_chip *chip,
                         const struct zd_ioreq16 *ioreqs, unsigned int count);

int _zd_iowrite32v_locked(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
                    unsigned int count);

static inline int zd_iowrite32_locked(struct zd_chip *chip, u32 value,
                                    zd_addr_t addr)
{
      struct zd_ioreq32 ioreq;

      ioreq.addr = addr;
      ioreq.value = value;

      return _zd_iowrite32v_locked(chip, &ioreq, 1);
}

int zd_iowrite32a_locked(struct zd_chip *chip,
                       const struct zd_ioreq32 *ioreqs, unsigned int count);

static inline int zd_rfwrite_locked(struct zd_chip *chip, u32 value, u8 bits)
{
      ZD_ASSERT(mutex_is_locked(&chip->mutex));
      return zd_usb_rfwrite(&chip->usb, value, bits);
}

int zd_rfwrite_cr_locked(struct zd_chip *chip, u32 value);

int zd_rfwritev_locked(struct zd_chip *chip,
                     const u32* values, unsigned int count, u8 bits);
int zd_rfwritev_cr_locked(struct zd_chip *chip,
                        const u32* values, unsigned int count);

/* Locking functions for reading and writing registers.
 * The different parameters are intentional.
 */
int zd_ioread16(struct zd_chip *chip, zd_addr_t addr, u16 *value);
int zd_iowrite16(struct zd_chip *chip, zd_addr_t addr, u16 value);
int zd_ioread32(struct zd_chip *chip, zd_addr_t addr, u32 *value);
int zd_iowrite32(struct zd_chip *chip, zd_addr_t addr, u32 value);
int zd_ioread32v(struct zd_chip *chip, const zd_addr_t *addresses,
                u32 *values, unsigned int count);
int zd_iowrite32a(struct zd_chip *chip, const struct zd_ioreq32 *ioreqs,
                 unsigned int count);

int zd_chip_set_channel(struct zd_chip *chip, u8 channel);
static inline u8 _zd_chip_get_channel(struct zd_chip *chip)
{
      return chip->rf.channel;
}
u8  zd_chip_get_channel(struct zd_chip *chip);
int zd_read_regdomain(struct zd_chip *chip, u8 *regdomain);
int zd_write_mac_addr(struct zd_chip *chip, const u8 *mac_addr);
int zd_chip_switch_radio_on(struct zd_chip *chip);
int zd_chip_switch_radio_off(struct zd_chip *chip);
int zd_chip_enable_int(struct zd_chip *chip);
void zd_chip_disable_int(struct zd_chip *chip);
int zd_chip_enable_rx(struct zd_chip *chip);
void zd_chip_disable_rx(struct zd_chip *chip);
int zd_chip_enable_hwint(struct zd_chip *chip);
int zd_chip_disable_hwint(struct zd_chip *chip);
int zd_chip_generic_patch_6m_band(struct zd_chip *chip, int channel);

int zd_chip_set_rts_cts_rate_locked(struct zd_chip *chip,
      u8 rts_rate, int preamble);

static inline int zd_get_encryption_type(struct zd_chip *chip, u32 *type)
{
      return zd_ioread32(chip, CR_ENCRYPTION_TYPE, type);
}

static inline int zd_set_encryption_type(struct zd_chip *chip, u32 type)
{
      return zd_iowrite32(chip, CR_ENCRYPTION_TYPE, type);
}

static inline int zd_chip_get_basic_rates(struct zd_chip *chip, u16 *cr_rates)
{
      return zd_ioread16(chip, CR_BASIC_RATE_TBL, cr_rates);
}

int zd_chip_set_basic_rates_locked(struct zd_chip *chip, u16 cr_rates);

static inline int zd_chip_set_basic_rates(struct zd_chip *chip, u16 cr_rates)
{
      int r;

      mutex_lock(&chip->mutex);
      r = zd_chip_set_basic_rates_locked(chip, cr_rates);
      mutex_unlock(&chip->mutex);
      return r;
}

int zd_chip_lock_phy_regs(struct zd_chip *chip);
int zd_chip_unlock_phy_regs(struct zd_chip *chip);

enum led_status {
      LED_OFF = 0,
      LED_SCANNING = 1,
      LED_ASSOCIATED = 2,
};

int zd_chip_control_leds(struct zd_chip *chip, enum led_status status);

int zd_set_beacon_interval(struct zd_chip *chip, u32 interval);

static inline int zd_get_beacon_interval(struct zd_chip *chip, u32 *interval)
{
      return zd_ioread32(chip, CR_BCN_INTERVAL, interval);
}

struct rx_status;

u8 zd_rx_qual_percent(const void *rx_frame, unsigned int size,
                     const struct rx_status *status);
u8 zd_rx_strength_percent(u8 rssi);

u16 zd_rx_rate(const void *rx_frame, const struct rx_status *status);

struct zd_mc_hash {
      u32 low;
      u32 high;
};

static inline void zd_mc_clear(struct zd_mc_hash *hash)
{
      hash->low = 0;
      /* The interfaces must always received broadcasts.
       * The hash of the broadcast address ff:ff:ff:ff:ff:ff is 63.
       */
      hash->high = 0x80000000;
}

static inline void zd_mc_add_all(struct zd_mc_hash *hash)
{
      hash->low = hash->high = 0xffffffff;
}

static inline void zd_mc_add_addr(struct zd_mc_hash *hash, u8 *addr)
{
      unsigned int i = addr[5] >> 2;
      if (i < 32) {
            hash->low |= 1 << i;
      } else {
            hash->high |= 1 << (i-32);
      }
}

int zd_chip_set_multicast_hash(struct zd_chip *chip,
                             struct zd_mc_hash *hash);

#endif /* _ZD_CHIP_H */

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