Input: tsc2005 - separate SPI and core functions
This patch separates the SPI functionality from core functionality
that overlaps with the tsc2004.
Prepares kernel for new tsc2004 driver without much redundant code.
Signed-off-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/touchscreen/tsc200x-core.h b/drivers/input/touchscreen/tsc200x-core.h
new file mode 100644
index 0000000..3169078
--- /dev/null
+++ b/drivers/input/touchscreen/tsc200x-core.h
@@ -0,0 +1,78 @@
+#ifndef _TSC200X_CORE_H
+#define _TSC200X_CORE_H
+
+/* control byte 1 */
+#define TSC2005_CMD 0x80
+#define TSC2005_CMD_NORMAL 0x00
+#define TSC2005_CMD_STOP 0x01
+#define TSC2005_CMD_12BIT 0x04
+
+/* control byte 0 */
+#define TSC2005_REG_READ 0x01 /* R/W access */
+#define TSC2005_REG_PND0 0x02 /* Power Not Down Control */
+#define TSC2005_REG_X (0x0 << 3)
+#define TSC2005_REG_Y (0x1 << 3)
+#define TSC2005_REG_Z1 (0x2 << 3)
+#define TSC2005_REG_Z2 (0x3 << 3)
+#define TSC2005_REG_AUX (0x4 << 3)
+#define TSC2005_REG_TEMP1 (0x5 << 3)
+#define TSC2005_REG_TEMP2 (0x6 << 3)
+#define TSC2005_REG_STATUS (0x7 << 3)
+#define TSC2005_REG_AUX_HIGH (0x8 << 3)
+#define TSC2005_REG_AUX_LOW (0x9 << 3)
+#define TSC2005_REG_TEMP_HIGH (0xA << 3)
+#define TSC2005_REG_TEMP_LOW (0xB << 3)
+#define TSC2005_REG_CFR0 (0xC << 3)
+#define TSC2005_REG_CFR1 (0xD << 3)
+#define TSC2005_REG_CFR2 (0xE << 3)
+#define TSC2005_REG_CONV_FUNC (0xF << 3)
+
+/* configuration register 0 */
+#define TSC2005_CFR0_PRECHARGE_276US 0x0040
+#define TSC2005_CFR0_STABTIME_1MS 0x0300
+#define TSC2005_CFR0_CLOCK_1MHZ 0x1000
+#define TSC2005_CFR0_RESOLUTION12 0x2000
+#define TSC2005_CFR0_PENMODE 0x8000
+#define TSC2005_CFR0_INITVALUE (TSC2005_CFR0_STABTIME_1MS | \
+ TSC2005_CFR0_CLOCK_1MHZ | \
+ TSC2005_CFR0_RESOLUTION12 | \
+ TSC2005_CFR0_PRECHARGE_276US | \
+ TSC2005_CFR0_PENMODE)
+
+/* bits common to both read and write of configuration register 0 */
+#define TSC2005_CFR0_RW_MASK 0x3fff
+
+/* configuration register 1 */
+#define TSC2005_CFR1_BATCHDELAY_4MS 0x0003
+#define TSC2005_CFR1_INITVALUE TSC2005_CFR1_BATCHDELAY_4MS
+
+/* configuration register 2 */
+#define TSC2005_CFR2_MAVE_Z 0x0004
+#define TSC2005_CFR2_MAVE_Y 0x0008
+#define TSC2005_CFR2_MAVE_X 0x0010
+#define TSC2005_CFR2_AVG_7 0x0800
+#define TSC2005_CFR2_MEDIUM_15 0x3000
+#define TSC2005_CFR2_INITVALUE (TSC2005_CFR2_MAVE_X | \
+ TSC2005_CFR2_MAVE_Y | \
+ TSC2005_CFR2_MAVE_Z | \
+ TSC2005_CFR2_MEDIUM_15 | \
+ TSC2005_CFR2_AVG_7)
+
+#define MAX_12BIT 0xfff
+#define TSC2005_DEF_X_FUZZ 4
+#define TSC2005_DEF_Y_FUZZ 8
+#define TSC2005_DEF_P_FUZZ 2
+#define TSC2005_DEF_RESISTOR 280
+
+#define TSC2005_SPI_MAX_SPEED_HZ 10000000
+#define TSC2005_PENUP_TIME_MS 40
+
+extern const struct regmap_config tsc200x_regmap_config;
+extern const struct dev_pm_ops tsc200x_pm_ops;
+
+int tsc200x_probe(struct device *dev, int irq, __u16 bustype,
+ struct regmap *regmap,
+ int (*tsc200x_cmd)(struct device *dev, u8 cmd));
+int tsc200x_remove(struct device *dev);
+
+#endif