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defines
#define MESON_SAR_ADC_CHAN_10_SW 0x20
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN1_MUX_SEL_MASK GENMASK(25, 23)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN1_VREF_P_MUX BIT(22)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN1_VREF_N_MUX BIT(21)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN1_MODE_SEL BIT(20)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN1_YP_DRIVE_SW BIT(19)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN1_XP_DRIVE_SW BIT(18)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN1_YM_DRIVE_SW BIT(17)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN1_XM_DRIVE_SW BIT(16)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN0_MUX_SEL_MASK GENMASK(9, 7)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN0_VREF_P_MUX BIT(6)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN0_VREF_N_MUX BIT(5)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN0_MODE_SEL BIT(4)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN0_YP_DRIVE_SW BIT(3)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN0_XP_DRIVE_SW BIT(2)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN0_YM_DRIVE_SW BIT(1)
defines
#define MESON_SAR_ADC_CHAN_10_SW_CHAN0_XM_DRIVE_SW BIT(0)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW 0x24
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_SW_EN BIT(26)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_MUX_MASK GENMASK(25, 23)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_VREF_P_MUX BIT(22)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_VREF_N_MUX BIT(21)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_MODE_SEL BIT(20)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_YP_DRIVE_SW BIT(19)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_XP_DRIVE_SW BIT(18)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_YM_DRIVE_SW BIT(17)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_DETECT_XM_DRIVE_SW BIT(16)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_IDLE_MUX_SEL_MASK GENMASK(9, 7)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_IDLE_VREF_P_MUX BIT(6)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_IDLE_VREF_N_MUX BIT(5)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_IDLE_MODE_SEL BIT(4)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_IDLE_YP_DRIVE_SW BIT(3)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_IDLE_XP_DRIVE_SW BIT(2)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_IDLE_YM_DRIVE_SW BIT(1)
defines
#define MESON_SAR_ADC_DETECT_IDLE_SW_IDLE_XM_DRIVE_SW BIT(0)
defines
#define MESON_SAR_ADC_DELTA_10 0x28
defines
#define MESON_SAR_ADC_DELTA_10_TEMP_SEL BIT(27)
defines
#define MESON_SAR_ADC_DELTA_10_TS_REVE1 BIT(26)
defines
#define MESON_SAR_ADC_DELTA_10_CHAN1_DELTA_VALUE_MASK GENMASK(25, 16)
defines
#define MESON_SAR_ADC_DELTA_10_TS_REVE0 BIT(15)
defines
#define MESON_SAR_ADC_DELTA_10_TS_C_SHIFT 11
defines
#define MESON_SAR_ADC_DELTA_10_TS_C_MASK GENMASK(14, 11)
defines
#define MESON_SAR_ADC_DELTA_10_TS_VBG_EN BIT(10)
defines
#define MESON_SAR_ADC_DELTA_10_CHAN0_DELTA_VALUE_MASK GENMASK(9, 0)
defines
#define MESON_SAR_ADC_REG11 0x2c
defines
#define MESON_SAR_ADC_REG11_BANDGAP_EN BIT(13)
defines
#define MESON_SAR_ADC_REG13 0x34
defines
#define MESON_SAR_ADC_REG13_12BIT_CALIBRATION_MASK GENMASK(13, 8)
defines
#define MESON_SAR_ADC_MAX_FIFO_SIZE 32
defines
#define MESON_SAR_ADC_CHAN(_chan) { \
structs
struct meson_sar_adc_data { unsigned int resolution; const char *name; };
structs
struct meson_sar_adc_priv { struct regmap *regmap; struct regulator *vref; const struct meson_sar_adc_data *data; struct clk *clkin; struct clk *core_clk; struct clk *sana_clk; struct clk *adc_sel_clk; struct clk *adc_clk; struct clk_gate clk_gate; struct clk *adc_div_clk; struct c...
functions
int meson_sar_adc_get_fifo_count(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); u32 regval; regmap_read(priv->regmap, MESON_SAR_ADC_REG0, &regval); return FIELD_GET(MESON_SAR_ADC_REG0_FIFO_COUNT_MASK, regval); }
functions
int meson_sar_adc_wait_busy_clear(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int regval, timeout = 10000; /* * NOTE: we need a small delay before reading the status, otherwise * the sample engine may not have started internally (which would * seem to us that sampling i...
functions
int meson_sar_adc_read_raw_sample(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, int *val) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int ret, regval, fifo_chan, fifo_val, sum = 0, count = 0; ret = meson_sar_adc_wait_busy_clear(indio_dev); if (ret) return ret; while (mes...
functions
void meson_sar_adc_set_averaging(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum meson_sar_adc_avg_mode mode, enum meson_sar_adc_num_samples samples) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int val, channel = chan->channel; val = samples << MESON_SAR_ADC_AVG_CNTL_NU...
functions
void meson_sar_adc_enable_channel(struct iio_dev *indio_dev, const struct iio_chan_spec *chan) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); u32 regval; /* * the SAR ADC engine allows sampling multiple channels at the same * time. to keep it simple we're only working with one *internal* * chan...
functions
void meson_sar_adc_set_chan7_mux(struct iio_dev *indio_dev, enum meson_sar_adc_chan7_mux_sel sel) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); u32 regval; regval = FIELD_PREP(MESON_SAR_ADC_REG3_CTRL_CHAN7_MUX_SEL_MASK, sel); regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG3, MESON_SAR_ADC_...
functions
void meson_sar_adc_start_sample_engine(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG0, MESON_SAR_ADC_REG0_SAMPLE_ENGINE_ENABLE, MESON_SAR_ADC_REG0_SAMPLE_ENGINE_ENABLE); regmap_update_bits(priv->regmap, MESON_SAR_A...
functions
void meson_sar_adc_stop_sample_engine(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG0, MESON_SAR_ADC_REG0_SAMPLING_STOP, MESON_SAR_ADC_REG0_SAMPLING_STOP); /* wait until all modules are stopped */ meson_sar_adc_wai...
functions
int meson_sar_adc_lock(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int val, timeout = 10000; mutex_lock(&indio_dev->mlock); /* prevent BL30 from using the SAR ADC while we are using it */ regmap_update_bits(priv->regmap, MESON_SAR_ADC_DELAY, MESON_SAR_ADC_DELAY_KERNE...
functions
void meson_sar_adc_unlock(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); /* allow BL30 to use the SAR ADC again */ regmap_update_bits(priv->regmap, MESON_SAR_ADC_DELAY, MESON_SAR_ADC_DELAY_KERNEL_BUSY, 0); mutex_unlock(&indio_dev->mlock); }
functions
void meson_sar_adc_clear_fifo(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int count; for (count = 0; count < MESON_SAR_ADC_MAX_FIFO_SIZE; count++) { if (!meson_sar_adc_get_fifo_count(indio_dev)) break; regmap_read(priv->regmap, MESON_SAR_ADC_FIFO_RD, 0); }
functions
int meson_sar_adc_get_sample(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum meson_sar_adc_avg_mode avg_mode, enum meson_sar_adc_num_samples avg_samples, int *val) { int ret; ret = meson_sar_adc_lock(indio_dev); if (ret) return ret; /* clear the FIFO to make sur...
functions
int meson_sar_adc_iio_info_read_raw(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, int *val, int *val2, long mask) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int ret; switch (mask) { case IIO_CHAN_INFO_RAW: return meson_sar_adc_get_sample(indio_dev, chan, NO_AVERAGING,...
functions
int meson_sar_adc_clk_init(struct iio_dev *indio_dev, void __iomem *base) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); struct clk_init_data init; const char *clk_parents[1]; init.name = devm_kasprintf(&indio_dev->dev, GFP_KERNEL, "%s#adc_div", of_node_full_name(indio_dev->dev.of_node)); i...
functions
int meson_sar_adc_init(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int regval, ret; /* * make sure we start at CH7 input since the other muxes are only used * for internal calibration. */ meson_sar_adc_set_chan7_mux(indio_dev, CHAN7_MUX_CH7_INPUT); /* * leave sampl...
functions
int meson_sar_adc_hw_enable(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int ret; ret = meson_sar_adc_lock(indio_dev); if (ret) goto err_lock; ret = regulator_enable(priv->vref); if (ret < 0) { dev_err(indio_dev->dev.parent, "failed to enable vref regulator\n"); g...
functions
int meson_sar_adc_hw_disable(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); int ret; ret = meson_sar_adc_lock(indio_dev); if (ret) return ret; clk_disable_unprepare(priv->adc_clk); regmap_update_bits(priv->regmap, MESON_SAR_ADC_REG3, MESON_SAR_ADC_REG3_ADC_EN, 0); ...
functions
int meson_sar_adc_probe(struct platform_device *pdev) { struct meson_sar_adc_priv *priv; struct iio_dev *indio_dev; struct resource *res; void __iomem *base; const struct of_device_id *match; int ret; indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*priv)); if (!indio_dev) { dev_err(&pdev->dev, "failed ...
functions
int meson_sar_adc_remove(struct platform_device *pdev) { struct iio_dev *indio_dev = platform_get_drvdata(pdev); iio_device_unregister(indio_dev); return meson_sar_adc_hw_disable(indio_dev); }
functions
__maybe_unused meson_sar_adc_suspend(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); return meson_sar_adc_hw_disable(indio_dev); }
functions
__maybe_unused meson_sar_adc_resume(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); return meson_sar_adc_hw_enable(indio_dev); }
includes
#include <linux/threads.h>
includes
#include <linux/cpumask.h>
includes
#include <asm/mpspec.h>
includes
#include <asm/genapic.h>
includes
#include <asm/fixmap.h>
includes
#include <asm/apicdef.h>
includes
#include <linux/kernel.h>
includes
#include <linux/init.h>
includes
#include <linux/dmi.h>
includes
#include <asm/bigsmp/apicdef.h>
includes
#include <linux/smp.h>
includes
#include <asm/bigsmp/apic.h>
includes
#include <asm/bigsmp/ipi.h>
includes
#include <asm/mach-default/mach_mpparse.h>
defines
#define APIC_DEFINITION 1
functions
int hp_ht_bigsmp(const struct dmi_system_id *d) { printk(KERN_NOTICE "%s detected: force use of apic=bigsmp\n", d->ident); dmi_bigsmp = 1; return 0; }
functions
cpumask_t vector_allocation_domain(int cpu) { return cpumask_of_cpu(cpu); }
functions
int probe_bigsmp(void) { if (def_to_bigsmp) dmi_bigsmp = 1; else dmi_check_system(bigsmp_dmi_table); return dmi_bigsmp; }
includes
#include <linux/config.h>
includes
#include <linux/sched.h>
includes
#include <linux/delay.h>
includes
#include <asm/smp.h>
functions
void __delay(unsigned long loops) { /* * To end the bloody studid and useless discussion about the * BogoMips number I took the liberty to define the __delay * function in a way that that resulting BogoMips number will * yield the megahertz number of the cpu. The important fu...
functions
void __udelay(unsigned long usecs) { uint64_t start_cc, end_cc; if (usecs == 0) return; asm volatile ("STCK %0" : "=m" (start_cc)); do { asm volatile ("STCK %0" : "=m" (end_cc)); }
defines
#define VECT_TAB_OFFSET 0x00 /*!< Vector Table base offset field.
defines
#define USE_PLL_HSE_EXTC 0x8 // Use external clock (ST Link MCO)
defines
#define USE_PLL_HSE_XTAL 0x4 // Use external xtal (X3 on board - not provided by default)