input/touchscreen/stmpe-ts.c

23 #include <linux/mfd/stmpe.h>
46 #define STMPE_TS_NAME			"stmpe-ts"
51  * @stmpe: pointer back to STMPE MFD container
73 	struct stmpe *stmpe;
85 static int __stmpe_reset_fifo(struct stmpe *stmpe)
89 	ret = stmpe_set_bits(stmpe, STMPE_REG_FIFO_STA,
94 	return stmpe_set_bits(stmpe, STMPE_REG_FIFO_STA,
106 	int_sta = stmpe_reg_read(ts->stmpe, STMPE_REG_INT_STA);
117 		int_sta = stmpe_reg_read(ts->stmpe, STMPE_REG_INT_STA);
122 	__stmpe_reset_fifo(ts->stmpe);
147 	stmpe_set_bits(ts->stmpe, STMPE_REG_TSC_CTRL,
150 	stmpe_block_read(ts->stmpe, STMPE_REG_TSC_DATA_XYZ, 4, data_set);
162 	__stmpe_reset_fifo(ts->stmpe);
165 	stmpe_set_bits(ts->stmpe, STMPE_REG_TSC_CTRL,
178 	struct stmpe *stmpe = ts->stmpe;
181 	ret = stmpe_enable(stmpe, STMPE_BLOCK_TOUCHSCREEN | STMPE_BLOCK_ADC);
187 	ret = stmpe811_adc_common_init(stmpe);
189 		stmpe_disable(stmpe, STMPE_BLOCK_TOUCHSCREEN | STMPE_BLOCK_ADC);
199 	ret = stmpe_set_bits(stmpe, STMPE_REG_TSC_CFG, tsc_cfg_mask, tsc_cfg);
205 	ret = stmpe_set_bits(stmpe, STMPE_REG_TSC_FRACTION_Z,
212 	ret = stmpe_set_bits(stmpe, STMPE_REG_TSC_I_DRIVE,
220 	ret = stmpe_reg_write(stmpe, STMPE_REG_FIFO_TH, 1);
226 	ret = stmpe_set_bits(stmpe, STMPE_REG_TSC_CTRL,
241 	ret = __stmpe_reset_fifo(ts->stmpe);
245 	return stmpe_set_bits(ts->stmpe, STMPE_REG_TSC_CTRL,
255 	stmpe_set_bits(ts->stmpe, STMPE_REG_TSC_CTRL,
267 			ts->stmpe->sample_time = val;
269 			ts->stmpe->mod_12b = val;
271 			ts->stmpe->ref_sel = val;
273 			ts->stmpe->adc_freq = val;
289 	struct stmpe *stmpe = dev_get_drvdata(pdev->dev.parent);
308 	ts->stmpe = stmpe;
357 	stmpe_disable(ts->stmpe, STMPE_BLOCK_TOUCHSCREEN);
369 MODULE_ALIAS("platform:stmpe-ts");