root/dev/pci/pciide_pdc202xx_reg.h

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    1 /*      $OpenBSD: pciide_pdc202xx_reg.h,v 1.14 2006/06/24 07:51:30 jsg Exp $    */
    2 /*      $NetBSD: pciide_pdc202xx_reg.h,v 1.5 2001/07/05 08:38:27 toshii Exp $ */
    3 
    4 /*
    5  * Copyright (c) 1999 Manuel Bouyer.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. All advertising materials mentioning features or use of this software
   16  *    must display the following acknowledgement:
   17  *      This product includes software developed by Manuel Bouyer.
   18  * 4. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   32  *
   33  */
   34 
   35 #ifndef _DEV_PCI_PCIIDE_PDC202XX_REG_H_
   36 #define _DEV_PCI_PCIIDE_PDC202XX_REG_H_
   37 
   38 /*
   39  * Registers definitions for PROMISE PDC20246/PDC20262 PCI IDE controller.
   40  * Unfortunably the HW docs are not publically available. I've been able
   41  * to get a partial one for the PDC20246, and a better one for the PDC20262
   42  * from Promise.
   43  */
   44 
   45 #define PDC2xx_STATE            0x50
   46 #define PDC2xx_STATE_IDERAID            0x0001
   47 #define PDC2xx_STATE_NATIVE             0x0080
   48 /* controller initial state values(PDC20246 only) */
   49 #define PDC246_STATE_SHIPID             0x8000
   50 #define PDC246_STATE_IOCHRDY            0x0400
   51 #define PDC246_STATE_LBA(channel)       (0x0100 << (channel))
   52 #define PDC246_STATE_ISAIRQ             0x0008
   53 #define PDC246_STATE_EN(channel)        (0x0002 << (channel))
   54 /* controller initial state values(PDC20262 only) */
   55 #define PDC262_STATE_EN(chan)           (0x1000 << (chan))
   56 #define PDC262_STATE_80P(chan)          (0x0400 << (chan))
   57 
   58 /* per-drive timings */
   59 #define PDC2xx_TIM(channel, drive) (0x60 + 4 * (drive) + 8 * (channel))
   60 #define PDC2xx_TIM_SET_PA(r, x) (((r) & 0xfffffff0) | ((x) & 0xf))
   61 #define PDC2xx_TIM_SET_PB(r, x) (((r) & 0xffffe0ff) | (((x) & 0x1f) << 8))
   62 #define PDC2xx_TIM_SET_MB(r, x) (((r) & 0xffff1fff) | (((x) & 0x7) << 13))
   63 #define PDC2xx_TIM_SET_MC(r, x) (((r) & 0xfff0ffff) | (((x) & 0xf) << 16))
   64 #define PDC2xx_TIM_PRE          0x00000010
   65 #define PDC2xx_TIM_IORDY        0x00000020
   66 #define PDC2xx_TIM_ERRDY        0x00000040
   67 #define PDC2xx_TIM_SYNC         0x00000080
   68 #define PDC2xx_TIM_DMAW         0x00100000
   69 #define PDC2xx_TIM_DMAR         0x00200000
   70 #define PDC2xx_TIM_IORDYp       0x00400000
   71 #define PDC2xx_TIM_DMARQp       0x00800000
   72 
   73 /* The following are extensions of the DMA registers */
   74 
   75 /* Ultra-DMA mode 3/4 control (PDC20262 only, 1 byte) */
   76 #define PDC262_U66      0x11
   77 #define PDC262_U66_EN(chan) (0x2 << ((chan) *2))
   78 /* primary mode (1 byte) */
   79 #define PDC2xx_PM       0x1a
   80 /* secondary mode (1 byte) */
   81 #define PDC2xx_SM       0x1b
   82 /* System control register (4 bytes) */
   83 #define PDC2xx_SCR      0x1c
   84 #define PDC2xx_SCR_SET_GEN(r,x) (((r) & 0xffffff00) | ((x) & 0xff))
   85 #define PDC2xx_SCR_EMPTY(channel) (0x00000100 << (4 * channel))
   86 #define PDC2xx_SCR_FULL(channel) (0x00000200 << (4 * channel))
   87 #define PDC2xx_SCR_INT(channel) (0x00000400 << (4 * channel))
   88 #define PDC2xx_SCR_ERR(channel) (0x00000800 << (4 * channel))
   89 #define PDC2xx_SCR_SET_I2C(r,x) (((r) & 0xfff0ffff) | (((x) & 0xf) << 16))
   90 #define PDC2xx_SCR_SET_POLL(r,x) (((r) & 0xff0fffff) | (((x) & 0xf) << 20))
   91 #define PDC2xx_SCR_DMA          0x01000000
   92 #define PDC2xx_SCR_IORDY        0x02000000
   93 #define PDC2xx_SCR_G2FD         0x04000000
   94 #define PDC2xx_SCR_FLOAT        0x08000000
   95 #define PDC2xx_SCR_RSET         0x10000000
   96 #define PDC2xx_SCR_TST          0x20000000
   97 /* Values for "General Purpose Register" (PDC20262 only) */
   98 #define PDC262_SCR_GEN_LAT      0x20
   99 
  100 /* ATAPI port ((PDC20262 only) (4 bytes) */
  101 #define PDC262_ATAPI(chan) (0x20 + (4 * (chan)))
  102 #define PDC262_ATAPI_WC_MASK    0x00000fff
  103 #define PDC262_ATAPI_DMA_READ   0x00001000
  104 #define PDC262_ATAPI_DMA_WRITE  0x00002000
  105 #define PDC262_ATAPI_UDMA       0x00004000
  106 #define PDC262_ATAPI_LBA48_READ  0x05000000
  107 #define PDC262_ATAPI_LBA48_WRITE 0x06000000
  108 
  109 /*
  110  * The timings provided here cmoes from the PDC20262 docs. I hope they are
  111  * rigth for the PDC20246 too ...
  112  */
  113 
  114 static int8_t pdc2xx_pa[] = {0x9, 0x5, 0x3, 0x2, 0x1};
  115 static int8_t pdc2xx_pb[] = {0x13, 0xc, 0x8, 0x6, 0x4};
  116 static int8_t pdc2xx_dma_mb[] = {0x3, 0x3, 0x3};
  117 static int8_t pdc2xx_dma_mc[] = {0x5, 0x4, 0x3};
  118 static int8_t pdc2xx_udma_mb[] = {0x3, 0x2, 0x1, 0x2, 0x1, 0x1};
  119 static int8_t pdc2xx_udma_mc[] = {0x3, 0x2, 0x1, 0x2, 0x1, 0x1};
  120 
  121 /*
  122  * Registers definitions for Promise PDC20268 and above chips
  123  */
  124 #define PDC268_INDEX(chan)      (0x01 + IDEDMA_SCH_OFFSET * (chan))
  125 #define PDC268_DATA(chan)       (0x03 + IDEDMA_SCH_OFFSET * (chan))
  126 #define PDC268_CABLE            0x04
  127 #define PDC268_INTR             0x20
  128 
  129 /*
  130  * PDC203xx register definitions.
  131  */
  132 #define PDC203xx_NCHANNELS      4
  133 #define PDC203xx_BAR_IDEREGS    0x1c
  134 
  135 /*
  136  * PDC205xx register definitions.
  137  */
  138 #define PDC40718_NCHANNELS      4
  139 #define PDC20575_NCHANNELS      3
  140 
  141 #define PDC205_REGADDR(base,ch) ((base)+((ch)<<8))
  142 #define PDC205_SSTATUS(ch)      PDC205_REGADDR(0x400,ch)
  143 #define PDC205_SERROR(ch)       PDC205_REGADDR(0x404,ch)
  144 #define PDC205_SCONTROL(ch)     PDC205_REGADDR(0x408,ch)
  145 #define PDC205_MULTIPLIER(ch)   PDC205_REGADDR(0x4e8,ch)
  146 
  147 #define SCONTROL_WRITE(ps,channel,scontrol)     \
  148         bus_space_write_4((ps)->ba5_st, (ps)->ba5_sh,   \
  149         PDC205_SCONTROL(channel), scontrol)
  150 
  151 #define SSTATUS_READ(sc,channel)        \
  152         bus_space_read_4((ps)->ba5_st, (ps)->ba5_sh,    \
  153         PDC205_SSTATUS(channel))
  154 
  155 
  156 /* Private data */
  157 struct pciide_pdcsata {
  158         bus_space_tag_t                 ba5_st;
  159         bus_space_handle_t              ba5_sh;
  160 
  161         struct {
  162                 bus_space_tag_t         cmd_iot;
  163                 bus_space_handle_t      cmd_iohs[WDC_NREG+WDC_NSHADOWREG];
  164 
  165                 bus_space_tag_t         ctl_iot;
  166                 bus_space_handle_t      ctl_ioh;
  167 
  168                 bus_space_handle_t      dma_iohs[IDEDMA_NREGS];
  169         } regs[PDC203xx_NCHANNELS];
  170 };
  171 
  172 u_int8_t pdc203xx_read_reg(struct channel_softc *, enum wdc_regs);
  173 void     pdc203xx_write_reg(struct channel_softc *, enum wdc_regs, u_int8_t);
  174 
  175 struct channel_softc_vtbl wdc_pdc203xx_vtbl = {
  176         pdc203xx_read_reg,
  177         pdc203xx_write_reg,
  178         wdc_default_lba48_write_reg,
  179         wdc_default_read_raw_multi_2,
  180         wdc_default_write_raw_multi_2,
  181         wdc_default_read_raw_multi_4,
  182         wdc_default_write_raw_multi_4
  183 };
  184 
  185 #endif  /* !_DEV_PCI_PCIIDE_PDC202XX_REG_H_ */

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