106 static inline void deassertCS(struct spi_lm70llp *pp)  in deassertCS()  argument
108 	u8 data = parport_read_data(pp->port);  in deassertCS()
111 	parport_write_data(pp->port, data | nCS);  in deassertCS()
114 static inline void assertCS(struct spi_lm70llp *pp)  in assertCS()  argument
116 	u8 data = parport_read_data(pp->port);  in assertCS()
119 	parport_write_data(pp->port, data & ~nCS);  in assertCS()
122 static inline void clkHigh(struct spi_lm70llp *pp)  in clkHigh()  argument
124 	u8 data = parport_read_data(pp->port);  in clkHigh()
125 	parport_write_data(pp->port, data | SCLK);  in clkHigh()
128 static inline void clkLow(struct spi_lm70llp *pp)  in clkLow()  argument
130 	u8 data = parport_read_data(pp->port);  in clkLow()
131 	parport_write_data(pp->port, data & ~SCLK);  in clkLow()
143 	struct spi_lm70llp *pp = spidev_to_pp(s);  in setsck()  local
146 		clkHigh(pp);  in setsck()
148 		clkLow(pp);  in setsck()
168 	struct spi_lm70llp *pp = spidev_to_pp(s);  in getmiso()  local
169 	return ((SIO == (parport_read_status(pp->port) & SIO)) ? 0 : 1 );  in getmiso()
177 	struct spi_lm70llp *pp = spidev_to_pp(spi);  in lm70_chipselect()  local
180 		assertCS(pp);  in lm70_chipselect()
182 		deassertCS(pp);  in lm70_chipselect()
196 	struct spi_lm70llp	*pp;  in spi_lm70llp_attach()  local
211 	master = spi_alloc_master(p->physport->dev, sizeof *pp);  in spi_lm70llp_attach()
216 	pp = spi_master_get_devdata(master);  in spi_lm70llp_attach()
221 	pp->bitbang.master = master;  in spi_lm70llp_attach()
222 	pp->bitbang.chipselect = lm70_chipselect;  in spi_lm70llp_attach()
223 	pp->bitbang.txrx_word[SPI_MODE_0] = lm70_txrx;  in spi_lm70llp_attach()
224 	pp->bitbang.flags = SPI_3WIRE;  in spi_lm70llp_attach()
229 	pp->port = p;  in spi_lm70llp_attach()
232 			PARPORT_FLAG_EXCL, pp);  in spi_lm70llp_attach()
237 	pp->pd = pd;  in spi_lm70llp_attach()
246 	status = spi_bitbang_start(&pp->bitbang);  in spi_lm70llp_attach()
260 	strcpy(pp->info.modalias, "lm70");  in spi_lm70llp_attach()
261 	pp->info.max_speed_hz = 6 * 1000 * 1000;  in spi_lm70llp_attach()
262 	pp->info.chip_select = 0;  in spi_lm70llp_attach()
263 	pp->info.mode = SPI_3WIRE | SPI_MODE_0;  in spi_lm70llp_attach()
266 	parport_write_data(pp->port, lm70_INIT);  in spi_lm70llp_attach()
271 	pp->info.controller_data = pp;  in spi_lm70llp_attach()
272 	pp->spidev_lm70 = spi_new_device(pp->bitbang.master, &pp->info);  in spi_lm70llp_attach()
273 	if (pp->spidev_lm70)  in spi_lm70llp_attach()
274 		dev_dbg(&pp->spidev_lm70->dev, "spidev_lm70 at %s\n",  in spi_lm70llp_attach()
275 				dev_name(&pp->spidev_lm70->dev));  in spi_lm70llp_attach()
281 	pp->spidev_lm70->bits_per_word = 8;  in spi_lm70llp_attach()
283 	lm70llp = pp;  in spi_lm70llp_attach()
287 	spi_bitbang_stop(&pp->bitbang);  in spi_lm70llp_attach()
290 	parport_write_data(pp->port, 0);  in spi_lm70llp_attach()
292 	parport_release(pp->pd);  in spi_lm70llp_attach()
303 	struct spi_lm70llp		*pp;  in spi_lm70llp_detach()  local
308 	pp = lm70llp;  in spi_lm70llp_detach()
309 	spi_bitbang_stop(&pp->bitbang);  in spi_lm70llp_detach()
312 	parport_write_data(pp->port, 0);  in spi_lm70llp_detach()
314 	parport_release(pp->pd);  in spi_lm70llp_detach()
315 	parport_unregister_device(pp->pd);  in spi_lm70llp_detach()
317 	(void) spi_master_put(pp->bitbang.master);  in spi_lm70llp_detach()