3  * Synaptics NavPoint (PXA27x SSP/SPI) driver.
32 	struct ssp_device	*ssp;  member
46 	| SSCR0_SSE		/* SSE = 1; SSP enabled */
120 	struct ssp_device *ssp = navpoint->ssp;  in navpoint_irq()  local
124 	status = pxa_ssp_read_reg(ssp, SSSR);  in navpoint_irq()
128 		pxa_ssp_write_reg(ssp, SSSR, (status & sssr));  in navpoint_irq()
135 		data = pxa_ssp_read_reg(ssp, SSDR);  in navpoint_irq()
143 		status = pxa_ssp_read_reg(ssp, SSSR);  in navpoint_irq()
152 	struct ssp_device *ssp = navpoint->ssp;  in navpoint_up()  local
155 	clk_prepare_enable(ssp->clk);  in navpoint_up()
157 	pxa_ssp_write_reg(ssp, SSCR1, sscr1);  in navpoint_up()
158 	pxa_ssp_write_reg(ssp, SSSR, sssr);  in navpoint_up()
159 	pxa_ssp_write_reg(ssp, SSTO, 0);  in navpoint_up()
160 	pxa_ssp_write_reg(ssp, SSCR0, sscr0);	/* SSCR0_SSE written last */  in navpoint_up()
162 	/* Wait until SSP port is ready for slave clock operations */  in navpoint_up()
164 		if (!(pxa_ssp_read_reg(ssp, SSSR) & SSSR_CSS))  in navpoint_up()
178 	struct ssp_device *ssp = navpoint->ssp;  in navpoint_down()  local
182 	pxa_ssp_write_reg(ssp, SSCR0, 0);  in navpoint_down()
184 	clk_disable_unprepare(ssp->clk);  in navpoint_down()
207 	struct ssp_device *ssp;  in navpoint_probe()  local
217 	ssp = pxa_ssp_request(pdata->port, pdev->name);  in navpoint_probe()
218 	if (!ssp)  in navpoint_probe()
222 	if (pxa_ssp_read_reg(ssp, SSCR0) & SSCR0_SSE) {  in navpoint_probe()
223 		pxa_ssp_write_reg(ssp, SSCR0, 0);  in navpoint_probe()
224 		dev_warn(&pdev->dev, "ssp%d already enabled\n", pdata->port);  in navpoint_probe()
243 	navpoint->ssp = ssp;  in navpoint_probe()
269 	error = request_irq(ssp->irq, navpoint_irq, 0, pdev->name, navpoint);  in navpoint_probe()
278 	dev_dbg(&pdev->dev, "ssp%d, irq %d\n", pdata->port, ssp->irq);  in navpoint_probe()
283 	free_irq(ssp->irq, navpoint);  in navpoint_probe()
287 	pxa_ssp_free(ssp);  in navpoint_probe()
295 	struct ssp_device *ssp = navpoint->ssp;  in navpoint_remove()  local
297 	free_irq(ssp->irq, navpoint);  in navpoint_remove()
302 	pxa_ssp_free(ssp);  in navpoint_remove()
348 MODULE_DESCRIPTION("Synaptics NavPoint (PXA27x SSP/SPI) driver");