96 static inline void deassertCS(struct spi_lm70llp *pp)  in deassertCS()  argument
98 	u8 data = parport_read_data(pp->port);  in deassertCS()
101 	parport_write_data(pp->port, data | nCS);  in deassertCS()
104 static inline void assertCS(struct spi_lm70llp *pp)  in assertCS()  argument
106 	u8 data = parport_read_data(pp->port);  in assertCS()
109 	parport_write_data(pp->port, data & ~nCS);  in assertCS()
112 static inline void clkHigh(struct spi_lm70llp *pp)  in clkHigh()  argument
114 	u8 data = parport_read_data(pp->port);  in clkHigh()
116 	parport_write_data(pp->port, data | SCLK);  in clkHigh()
119 static inline void clkLow(struct spi_lm70llp *pp)  in clkLow()  argument
121 	u8 data = parport_read_data(pp->port);  in clkLow()
123 	parport_write_data(pp->port, data & ~SCLK);  in clkLow()
135 	struct spi_lm70llp *pp = spidev_to_pp(s);  in setsck()  local
138 		clkHigh(pp);  in setsck()
140 		clkLow(pp);  in setsck()
160 	struct spi_lm70llp *pp = spidev_to_pp(s);  in getmiso()  local
162 	return ((SIO == (parport_read_status(pp->port) & SIO)) ? 0 : 1);  in getmiso()
171 	struct spi_lm70llp *pp = spidev_to_pp(spi);  in lm70_chipselect()  local
174 		assertCS(pp);  in lm70_chipselect()
176 		deassertCS(pp);  in lm70_chipselect()
191 	struct spi_lm70llp	*pp;  in spi_lm70llp_attach()  local
205 	host = spi_alloc_host(p->physport->dev, sizeof(*pp));  in spi_lm70llp_attach()
210 	pp = spi_controller_get_devdata(host);  in spi_lm70llp_attach()
215 	pp->bitbang.ctlr = host;  in spi_lm70llp_attach()
216 	pp->bitbang.chipselect = lm70_chipselect;  in spi_lm70llp_attach()
217 	pp->bitbang.txrx_word[SPI_MODE_0] = lm70_txrx;  in spi_lm70llp_attach()
218 	pp->bitbang.flags = SPI_3WIRE;  in spi_lm70llp_attach()
223 	pp->port = p;  in spi_lm70llp_attach()
225 	lm70llp_cb.private = pp;  in spi_lm70llp_attach()
233 	pp->pd = pd;  in spi_lm70llp_attach()
242 	status = spi_bitbang_start(&pp->bitbang);  in spi_lm70llp_attach()
255 	strcpy(pp->info.modalias, "lm70");  in spi_lm70llp_attach()
256 	pp->info.max_speed_hz = 6 * 1000 * 1000;  in spi_lm70llp_attach()
257 	pp->info.chip_select = 0;  in spi_lm70llp_attach()
258 	pp->info.mode = SPI_3WIRE | SPI_MODE_0;  in spi_lm70llp_attach()
261 	parport_write_data(pp->port, lm70_INIT);  in spi_lm70llp_attach()
266 	pp->info.controller_data = pp;  in spi_lm70llp_attach()
267 	pp->spidev_lm70 = spi_new_device(pp->bitbang.ctlr, &pp->info);  in spi_lm70llp_attach()
268 	if (pp->spidev_lm70)  in spi_lm70llp_attach()
269 		dev_dbg(&pp->spidev_lm70->dev, "spidev_lm70 at %s\n",  in spi_lm70llp_attach()
270 			dev_name(&pp->spidev_lm70->dev));  in spi_lm70llp_attach()
276 	pp->spidev_lm70->bits_per_word = 8;  in spi_lm70llp_attach()
278 	lm70llp = pp;  in spi_lm70llp_attach()
282 	spi_bitbang_stop(&pp->bitbang);  in spi_lm70llp_attach()
285 	parport_write_data(pp->port, 0);  in spi_lm70llp_attach()
287 	parport_release(pp->pd);  in spi_lm70llp_attach()
298 	struct spi_lm70llp		*pp;  in spi_lm70llp_detach()  local
303 	pp = lm70llp;  in spi_lm70llp_detach()
304 	spi_bitbang_stop(&pp->bitbang);  in spi_lm70llp_detach()
307 	parport_write_data(pp->port, 0);  in spi_lm70llp_detach()
309 	parport_release(pp->pd);  in spi_lm70llp_detach()
310 	parport_unregister_device(pp->pd);  in spi_lm70llp_detach()
312 	spi_controller_put(pp->bitbang.ctlr);  in spi_lm70llp_detach()