pcfvar.h (131575) | pcfvar.h (133522) |
---|---|
1/*- 2 * Copyright (c) 1998 Nicolas Souchu, Marc Bouget 3 * Copyright (c) 2004 Joerg Wunsch 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/*- 2 * Copyright (c) 1998 Nicolas Souchu, Marc Bouget 3 * Copyright (c) 2004 Joerg Wunsch 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
27 * $FreeBSD: head/sys/dev/pcf/pcfvar.h 131575 2004-07-04 16:11:03Z stefanf $ | 27 * $FreeBSD: head/sys/dev/pcf/pcfvar.h 133522 2004-08-11 21:19:31Z marius $ |
28 */ 29 30#define IO_PCFSIZE 2 31 32#define TIMEOUT 9999 /* XXX */ 33 34/* Status bits of S1 register (read only) */ 35#define nBB 0x01 /* busy when low set/reset by STOP/START*/ --- 25 unchanged lines hidden (view full) --- 61 u_char pcf_addr; /* interface I2C address */ 62 int pcf_flags; /* IIC_POLLED? */ 63 int pcf_slave_mode; /* receiver or transmitter */ 64 int pcf_started; /* 1 if start condition sent */ 65 66 device_t iicbus; /* the corresponding iicbus */ 67 68 /* Resource handling stuff. */ | 28 */ 29 30#define IO_PCFSIZE 2 31 32#define TIMEOUT 9999 /* XXX */ 33 34/* Status bits of S1 register (read only) */ 35#define nBB 0x01 /* busy when low set/reset by STOP/START*/ --- 25 unchanged lines hidden (view full) --- 61 u_char pcf_addr; /* interface I2C address */ 62 int pcf_flags; /* IIC_POLLED? */ 63 int pcf_slave_mode; /* receiver or transmitter */ 64 int pcf_started; /* 1 if start condition sent */ 65 66 device_t iicbus; /* the corresponding iicbus */ 67 68 /* Resource handling stuff. */ |
69 void *intr_cookie; 70 int rid_ioport; 71 int rid_irq; 72 struct resource *res_ioport; 73 struct resource *res_irq; | 69 struct resource *res_ioport; 70 int rid_ioport; 71 bus_space_tag_t bt_ioport; 72 bus_space_handle_t bh_ioport; 73 struct resource *res_irq; 74 int rid_irq; 75 void *intr_cookie; |
74}; 75#define DEVTOSOFTC(dev) ((struct pcf_softc *)device_get_softc(dev)) 76 77/* 78 * PCF8584 datasheet : when operate at 8 MHz or more, a minimun time of 79 * 6 clocks cycles must be left between two consecutives access 80 */ 81#define pcf_nops() DELAY(10) 82 83#define dummy_read(sc) pcf_get_S0(sc) 84#define dummy_write(sc) pcf_set_S0(sc, 0) 85 86/* 87 * Specific register access to PCF8584 88 */ 89static __inline void 90pcf_set_S0(struct pcf_softc *sc, int data) 91{ | 76}; 77#define DEVTOSOFTC(dev) ((struct pcf_softc *)device_get_softc(dev)) 78 79/* 80 * PCF8584 datasheet : when operate at 8 MHz or more, a minimun time of 81 * 6 clocks cycles must be left between two consecutives access 82 */ 83#define pcf_nops() DELAY(10) 84 85#define dummy_read(sc) pcf_get_S0(sc) 86#define dummy_write(sc) pcf_set_S0(sc, 0) 87 88/* 89 * Specific register access to PCF8584 90 */ 91static __inline void 92pcf_set_S0(struct pcf_softc *sc, int data) 93{ |
92 bus_space_write_1(sc->res_ioport->r_bustag, 93 sc->res_ioport->r_bushandle, 94 0, data); | 94 95 bus_space_write_1(sc->bt_ioport, sc->bh_ioport, 0, data); |
95 pcf_nops(); 96} 97 98static __inline void 99pcf_set_S1(struct pcf_softc *sc, int data) 100{ | 96 pcf_nops(); 97} 98 99static __inline void 100pcf_set_S1(struct pcf_softc *sc, int data) 101{ |
101 bus_space_write_1(sc->res_ioport->r_bustag, 102 sc->res_ioport->r_bushandle, 103 1, data); | 102 103 bus_space_write_1(sc->bt_ioport, sc->bh_ioport, 1, data); |
104 pcf_nops(); 105} 106 107static __inline char 108pcf_get_S0(struct pcf_softc *sc) 109{ 110 char data; 111 | 104 pcf_nops(); 105} 106 107static __inline char 108pcf_get_S0(struct pcf_softc *sc) 109{ 110 char data; 111 |
112 data = bus_space_read_1(sc->res_ioport->r_bustag, 113 sc->res_ioport->r_bushandle, 0); | 112 data = bus_space_read_1(sc->bt_ioport, sc->bh_ioport, 0); |
114 pcf_nops(); 115 116 return (data); 117} 118 119static __inline char 120pcf_get_S1(struct pcf_softc *sc) 121{ 122 char data; 123 | 113 pcf_nops(); 114 115 return (data); 116} 117 118static __inline char 119pcf_get_S1(struct pcf_softc *sc) 120{ 121 char data; 122 |
124 data = bus_space_read_1(sc->res_ioport->r_bustag, 125 sc->res_ioport->r_bushandle, 1); | 123 data = bus_space_read_1(sc->bt_ioport, sc->bh_ioport, 1); |
126 pcf_nops(); 127 128 return (data); 129} 130 131extern int pcf_repeated_start(device_t, u_char, int); 132extern int pcf_start(device_t, u_char, int); 133extern int pcf_stop(device_t); 134extern int pcf_write(device_t, char *, int, int *, int); 135extern int pcf_read(device_t, char *, int, int *, int, int); 136extern int pcf_rst_card(device_t, u_char, u_char, u_char *); 137extern driver_intr_t pcf_intr; 138 139#define PCF_MODVER 1 140#define PCF_MINVER 1 141#define PCF_MAXVER 1 142#define PCF_PREFVER PCF_MODVER | 124 pcf_nops(); 125 126 return (data); 127} 128 129extern int pcf_repeated_start(device_t, u_char, int); 130extern int pcf_start(device_t, u_char, int); 131extern int pcf_stop(device_t); 132extern int pcf_write(device_t, char *, int, int *, int); 133extern int pcf_read(device_t, char *, int, int *, int, int); 134extern int pcf_rst_card(device_t, u_char, u_char, u_char *); 135extern driver_intr_t pcf_intr; 136 137#define PCF_MODVER 1 138#define PCF_MINVER 1 139#define PCF_MAXVER 1 140#define PCF_PREFVER PCF_MODVER |