Initial file dump from open source releaseHEADmaster

1 files changed, 144 insertions, 0 deletions

diff --git a/include/soc/sprd/adc.h b/include/soc/sprd/adc.h
new file mode 100644
index 00000000..46473272
--- /dev/null
+++ b/include/soc/sprd/adc.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ ************************************************
+ * Automatically generated C config: don't edit *
+ ************************************************
+ */
+
+#ifndef __CTL_ADC_H__
+#define __CTL_ADC_H__
+
+/* adc channel definition */
+#define ADC_CHANNEL_INVALID	-1
+enum adc_channel {
+	ADC_CHANNEL_0 = 0,  //ADCI0
+	ADC_CHANNEL_1 = 1,  //ADCI1
+	ADC_CHANNEL_2 = 2,  //ADCI2
+	ADC_CHANNEL_3 = 3,  //ADCI3
+	ADC_CHANNEL_PROG = 4,
+	ADC_CHANNEL_VBAT = 5,
+	ADC_CHANNEL_VCHGSEN = 6,
+	ADC_CHANNEL_VCHGBG = 7,
+	ADC_CHANNEL_ISENSE = 8,
+	ADC_CHANNEL_TPYD = 9,
+	ADC_CHANNEL_TPYU = 10,
+	ADC_CHANNEL_TPXR = 11,
+	ADC_CHANNEL_TPXL = 12,
+	ADC_CHANNEL_DCDCCORE = 13,
+	ADC_CHANNEL_DCDCARM = 14,
+	ADC_CHANNEL_DCDCMEM = 15,
+	ADC_CHANNEL_DCDCLDO = 16,
+#if defined(CONFIG_ARCH_SC8825)
+	ADC_CHANNEL_VBATBK = 17,
+	ADC_CHANNEL_HEADMIC = 18,
+	ADC_CHANNEL_LDO0 = 19,	/* ldo rf/abb/cama */
+	ADC_CHANNEL_LDO1 = 20,	/* ldo v3v/v28/vsim0/vsim1/cammot/sd0/usb/dvdd18/v25 */
+	ADC_CHANNEL_LDO2 = 21,	/* ldo camio/camcore/cmmb1v2/cmmb1v8/v18/sd1/sd3/ */
+	ADC_MAX = 21,
+#elif defined(CONFIG_ARCH_SCX35)
+	ADC_CHANNEL_DCDCGPU = 17,
+	ADC_CHANNEL_DCDCWRF = 18,
+	ADC_CHANNEL_VBATBK = 19,
+	ADC_CHANNEL_HEADMIC = 20,
+	ADC_CHANNEL_LDO0 = 21,
+	ADC_CHANNEL_LDO1 = 22,
+	ADC_CHANNEL_LDO2 = 23,
+	ADC_CHANNEL_WHTLED = 24,
+	ADC_CHANNEL_OTP = 25,
+	ADC_CHANNEL_LPLDO0 = 26,	/*SIM0/SIM1/SIM2/EMMCCORE/VDD28/VDD25/USB, Low power mode reference*/
+	ADC_CHANNEL_LPLDO1 = 27,	/*CAMD/EMMCIO/VDD18/AVDD18/CAMIO/CLSG, Low power mode reference*/
+	ADC_CHANNEL_LPLDO2 = 28,	/*RF0/RF1/RF2/CAMA/SD/CAMMOT, Low power mode reference*/
+	ADC_CHANNEL_WHTLED_VFB  = 29,
+	ADC_CHANNEL_USBDP = 30,
+	ADC_CHANNEL_USBDM = 31,
+	ADC_MAX = 31,
+#endif
+};
+
+struct adc_sample_data {
+	int sample_num;		/* from 1 to 15 */
+	int sample_bits;	/*0: 10bits mode, 1:12 bits mode */
+	int signal_mode;	/*0:resistance,1:capacitance */
+	int sample_speed;	/*0:quick mode, 1: slow mode */
+	int scale;		/*0:little scale, 1:big scale */
+	int hw_channel_delay;	/*0:disable, 1:enable */
+	int channel_id;		/*channel id of software, Or dedicatid hw channel number */
+	int channel_type;	/*0: software, 1: slow hardware , 2: fast hardware */
+	int *pbuf;
+};
+
+void sci_adc_init(void);
+void sci_adc_dump_register(void);
+
+/*
+* Use this interface to get adc values and you can config adc sample behavior.
+* The max number adc value is 16 now, Pls notice the return value;
+*/
+int sci_adc_get_values(struct adc_sample_data *adc);
+
+/*
+ * get adc channel voltage divider ratio.
+ */
+void sci_adc_get_vol_ratio(unsigned int channel_id, int scale, unsigned int* div_numerators,
+			unsigned int* div_denominators );
+
+/*
+ * get mux adc channel voltage divider ratio.
+ */
+unsigned int sci_adc_get_ratio(unsigned int channel_id, int scale, int mux);
+
+
+/*
+ * Use this interface to get one adc value and this function have set default
+ * adc sample behavior.
+ */
+static inline int sci_adc_get_value(unsigned int channel, int scale)
+{
+	struct adc_sample_data adc;
+	int32_t result[1];
+
+	adc.channel_id = channel;
+	adc.channel_type = 0;
+	adc.hw_channel_delay = 0;
+	adc.pbuf = &result[0];
+	adc.sample_bits = 1;
+	adc.sample_num = 1;
+	adc.sample_speed = 0;
+	adc.scale = scale;
+	adc.signal_mode = 0;
+
+	if (0 != sci_adc_get_values(&adc)) {
+		printk("sci_adc_get_value, return error\n");
+		sci_adc_dump_register();
+		BUG();
+	}
+
+	return result[0];
+}
+
+/*
+ * get adc channel raw data
+ */
+int sci_get_adc_data(unsigned int channel, unsigned int scale);
+
+/*
+ * get adc channel voltage
+ */
+int sci_adc_vol_request(unsigned int channel, int scale, int mux, int* adc_data);
+
+/*
+ * Use this interface to get adc value by current sense
+ */
+int sci_adc_get_value_by_isen(unsigned int channel, int scale, int isen);
+
+#endif