imxuartvar.h revision 1.4.18.2
1 1.4.18.2 jdolecek /* $NetBSD: imxuartvar.h,v 1.4.18.2 2017/12/03 11:35:53 jdolecek Exp $ */ 2 1.2 matt /* 3 1.2 matt * driver include for Freescale i.MX31 and i.MX31L UARTs 4 1.2 matt */ 5 1.3 bsh /* 6 1.3 bsh * Copyright (c) 2009, 2010 Genetec Corporation. All rights reserved. 7 1.3 bsh * Written by Hiroyuki Bessho for Genetec Corporation. 8 1.3 bsh * 9 1.3 bsh * Redistribution and use in source and binary forms, with or without 10 1.3 bsh * modification, are permitted provided that the following conditions 11 1.3 bsh * are met: 12 1.3 bsh * 1. Redistributions of source code must retain the above copyright 13 1.3 bsh * notice, this list of conditions and the following disclaimer. 14 1.3 bsh * 2. Redistributions in binary form must reproduce the above copyright 15 1.3 bsh * notice, this list of conditions and the following disclaimer in the 16 1.3 bsh * documentation and/or other materials provided with the distribution. 17 1.3 bsh * 18 1.3 bsh * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 19 1.3 bsh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 1.3 bsh * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 1.3 bsh * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 22 1.3 bsh * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 1.3 bsh * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 1.3 bsh * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 1.3 bsh * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 1.3 bsh * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 1.3 bsh * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 1.3 bsh * POSSIBILITY OF SUCH DAMAGE. 29 1.3 bsh * 30 1.3 bsh */ 31 1.3 bsh #ifndef _IMXUARTVAR_H 32 1.3 bsh #define _IMXUARTVAR_H 33 1.3 bsh 34 1.3 bsh 35 1.3 bsh #include <sys/cdefs.h> 36 1.3 bsh #include <sys/termios.h> /* for tcflag_t */ 37 1.3 bsh 38 1.4.18.2 jdolecek struct imxuart_softc { 39 1.4.18.2 jdolecek device_t sc_dev; 40 1.4.18.2 jdolecek 41 1.4.18.2 jdolecek int sc_unit; 42 1.4.18.2 jdolecek struct imxuart_regs { 43 1.4.18.2 jdolecek bus_space_tag_t ur_iot; 44 1.4.18.2 jdolecek bus_space_handle_t ur_ioh; 45 1.4.18.2 jdolecek bus_addr_t ur_iobase; 46 1.4.18.2 jdolecek #if 0 47 1.4.18.2 jdolecek bus_size_t ur_nports; 48 1.4.18.2 jdolecek bus_size_t ur_map[16]; 49 1.4.18.2 jdolecek #endif 50 1.4.18.2 jdolecek } sc_regs; 51 1.4.18.2 jdolecek 52 1.4.18.2 jdolecek #define sc_bt sc_regs.ur_iot 53 1.4.18.2 jdolecek #define sc_bh sc_regs.ur_ioh 54 1.4.18.2 jdolecek 55 1.4.18.2 jdolecek uint32_t sc_intrspec_enb; 56 1.4.18.2 jdolecek uint32_t sc_ucr2_d; /* target value for UCR2 */ 57 1.4.18.2 jdolecek uint32_t sc_ucr[4]; /* cached value of UCRn */ 58 1.4.18.2 jdolecek #define sc_ucr1 sc_ucr[0] 59 1.4.18.2 jdolecek #define sc_ucr2 sc_ucr[1] 60 1.4.18.2 jdolecek #define sc_ucr3 sc_ucr[2] 61 1.4.18.2 jdolecek #define sc_ucr4 sc_ucr[3] 62 1.4.18.2 jdolecek 63 1.4.18.2 jdolecek uint sc_init_cnt; 64 1.4.18.2 jdolecek 65 1.4.18.2 jdolecek bus_addr_t sc_addr; 66 1.4.18.2 jdolecek bus_size_t sc_size; 67 1.4.18.2 jdolecek int sc_intr; 68 1.4.18.2 jdolecek 69 1.4.18.2 jdolecek u_char sc_hwflags; 70 1.4.18.2 jdolecek /* Hardware flag masks */ 71 1.4.18.2 jdolecek #define IMXUART_HW_FLOW __BIT(0) 72 1.4.18.2 jdolecek #define IMXUART_HW_DEV_OK __BIT(1) 73 1.4.18.2 jdolecek #define IMXUART_HW_CONSOLE __BIT(2) 74 1.4.18.2 jdolecek #define IMXUART_HW_KGDB __BIT(3) 75 1.4.18.2 jdolecek 76 1.4.18.2 jdolecek bool enabled; 77 1.4.18.2 jdolecek 78 1.4.18.2 jdolecek u_char sc_swflags; 79 1.4.18.2 jdolecek 80 1.4.18.2 jdolecek u_char sc_rx_flags; 81 1.4.18.2 jdolecek #define IMXUART_RX_TTY_BLOCKED __BIT(0) 82 1.4.18.2 jdolecek #define IMXUART_RX_TTY_OVERFLOWED __BIT(1) 83 1.4.18.2 jdolecek #define IMXUART_RX_IBUF_BLOCKED __BIT(2) 84 1.4.18.2 jdolecek #define IMXUART_RX_IBUF_OVERFLOWED __BIT(3) 85 1.4.18.2 jdolecek #define IMXUART_RX_ANY_BLOCK \ 86 1.4.18.2 jdolecek (IMXUART_RX_TTY_BLOCKED|IMXUART_RX_TTY_OVERFLOWED| \ 87 1.4.18.2 jdolecek IMXUART_RX_IBUF_BLOCKED|IMXUART_RX_IBUF_OVERFLOWED) 88 1.4.18.2 jdolecek 89 1.4.18.2 jdolecek bool sc_tx_busy, sc_tx_done, sc_tx_stopped; 90 1.4.18.2 jdolecek bool sc_rx_ready,sc_st_check; 91 1.4.18.2 jdolecek u_short sc_txfifo_len, sc_txfifo_thresh; 92 1.4.18.2 jdolecek 93 1.4.18.2 jdolecek uint16_t *sc_rbuf; 94 1.4.18.2 jdolecek u_int sc_rbuf_size; 95 1.4.18.2 jdolecek u_int sc_rbuf_in; 96 1.4.18.2 jdolecek u_int sc_rbuf_out; 97 1.4.18.2 jdolecek #define IMXUART_RBUF_AVAIL(sc) \ 98 1.4.18.2 jdolecek ((sc->sc_rbuf_out <= sc->sc_rbuf_in) ? \ 99 1.4.18.2 jdolecek (sc->sc_rbuf_in - sc->sc_rbuf_out) : \ 100 1.4.18.2 jdolecek (sc->sc_rbuf_size - (sc->sc_rbuf_out - sc->sc_rbuf_in))) 101 1.4.18.2 jdolecek 102 1.4.18.2 jdolecek #define IMXUART_RBUF_SPACE(sc) \ 103 1.4.18.2 jdolecek ((sc->sc_rbuf_in <= sc->sc_rbuf_out ? \ 104 1.4.18.2 jdolecek sc->sc_rbuf_size - (sc->sc_rbuf_out - sc->sc_rbuf_in) : \ 105 1.4.18.2 jdolecek sc->sc_rbuf_in - sc->sc_rbuf_out) - 1) 106 1.4.18.2 jdolecek /* increment ringbuffer pointer */ 107 1.4.18.2 jdolecek #define IMXUART_RBUF_INC(sc,v,i) (((v) + (i))&((sc->sc_rbuf_size)-1)) 108 1.4.18.2 jdolecek u_int sc_r_lowat; 109 1.4.18.2 jdolecek u_int sc_r_hiwat; 110 1.4.18.2 jdolecek 111 1.4.18.2 jdolecek /* output chunk */ 112 1.4.18.2 jdolecek u_char *sc_tba; 113 1.4.18.2 jdolecek u_int sc_tbc; 114 1.4.18.2 jdolecek u_int sc_heldtbc; 115 1.4.18.2 jdolecek /* pending parameter changes */ 116 1.4.18.2 jdolecek u_char sc_pending; 117 1.4.18.2 jdolecek #define IMXUART_PEND_PARAM __BIT(0) 118 1.4.18.2 jdolecek #define IMXUART_PEND_SPEED __BIT(1) 119 1.4.18.2 jdolecek 120 1.4.18.2 jdolecek 121 1.4.18.2 jdolecek struct callout sc_diag_callout; 122 1.4.18.2 jdolecek kmutex_t sc_lock; 123 1.4.18.2 jdolecek void *sc_ih; /* interrupt handler */ 124 1.4.18.2 jdolecek void *sc_si; /* soft interrupt */ 125 1.4.18.2 jdolecek struct tty *sc_tty; 126 1.4.18.2 jdolecek 127 1.4.18.2 jdolecek /* power management hooks */ 128 1.4.18.2 jdolecek int (*enable)(struct imxuart_softc *); 129 1.4.18.2 jdolecek void (*disable)(struct imxuart_softc *); 130 1.4.18.2 jdolecek 131 1.4.18.2 jdolecek struct { 132 1.4.18.2 jdolecek ulong err; 133 1.4.18.2 jdolecek ulong brk; 134 1.4.18.2 jdolecek ulong prerr; 135 1.4.18.2 jdolecek ulong frmerr; 136 1.4.18.2 jdolecek ulong ovrrun; 137 1.4.18.2 jdolecek } sc_errors; 138 1.4.18.2 jdolecek 139 1.4.18.2 jdolecek struct imxuart_baudrate_ratio { 140 1.4.18.2 jdolecek uint16_t numerator; /* UBIR */ 141 1.4.18.2 jdolecek uint16_t modulator; /* UBMR */ 142 1.4.18.2 jdolecek } sc_ratio; 143 1.4.18.2 jdolecek 144 1.4.18.2 jdolecek }; 145 1.3 bsh 146 1.4 bsh void imxuart_attach_common(device_t parent, device_t self, 147 1.3 bsh bus_space_tag_t, paddr_t, size_t, int, int); 148 1.3 bsh 149 1.3 bsh int imxuart_kgdb_attach(bus_space_tag_t, paddr_t, u_int, tcflag_t); 150 1.4.18.2 jdolecek int imxuart_cnattach(bus_space_tag_t, paddr_t, u_int, tcflag_t); 151 1.2 matt 152 1.3 bsh int imxuart_is_console(bus_space_tag_t, bus_addr_t, bus_space_handle_t *); 153 1.3 bsh 154 1.3 bsh /* 155 1.3 bsh * Set platform dependent values 156 1.3 bsh */ 157 1.3 bsh void imxuart_set_frequency(u_int, u_int); 158 1.3 bsh 159 1.3 bsh /* 160 1.3 bsh * defined in imx51uart.c and imx31uart.c 161 1.3 bsh */ 162 1.4.18.1 tls int imxuart_match(device_t, cfdata_t, void *); 163 1.4.18.1 tls void imxuart_attach(device_t, device_t, void *); 164 1.2 matt 165 1.4.18.2 jdolecek void imxuart_attach_subr(struct imxuart_softc *); 166 1.4.18.2 jdolecek 167 1.4.18.2 jdolecek int imxuintr(void *); 168 1.4.18.2 jdolecek 169 1.3 bsh #endif /* _IMXUARTVAR_H */ 170
Indexes created Tue Sep 30 20:09:53 GMT 2025