104 lines
2.3 KiB
C
104 lines
2.3 KiB
C
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#include "fingerprint_common.h"
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#include <linux/of.h>
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#include <linux/platform_data/spi-mt65xx.h>
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void spi_get_ctrldata(struct spi_device *spi)
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{
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#ifndef ENABLE_SENSORS_FPRINT_SECURE
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struct device_node *np, *data_np = NULL;
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u32 tckdly = 0;
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np = spi->dev.of_node;
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if (!np) {
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pr_err("%s : device node not founded\n", __func__);
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return;
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}
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data_np = of_get_child_by_name(np, "controller-data");
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if (!data_np) {
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pr_err("%s : controller-data not founded\n", __func__);
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return;
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}
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of_property_read_u32(data_np, "mediatek,tckdly", &tckdly);
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((struct mtk_chip_config *)spi->controller_data)->tick_delay = tckdly;
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of_node_put(data_np);
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pr_info("%s done\n", __func__);
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#endif
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}
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int spi_clk_register(struct spi_clk_setting *clk_setting, struct device *dev)
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{
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#ifdef ENABLE_SENSORS_FPRINT_SECURE
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clk_setting->fp_spi_pclk = devm_clk_get(dev, "sel-clk");
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if (IS_ERR(clk_setting->fp_spi_pclk)) {
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pr_err("Can't get sel-clk\n");
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return PTR_ERR(clk_setting->fp_spi_pclk);
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}
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clk_setting->fp_spi_sclk = devm_clk_get(dev, "spi-clk");
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if (IS_ERR(clk_setting->fp_spi_sclk)) {
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pr_err("Can't get spi-clk\n");
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return PTR_ERR(clk_setting->fp_spi_sclk);
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}
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#endif
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return 0;
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}
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int spi_clk_unregister(struct spi_clk_setting *clk_setting)
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{
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#ifdef ENABLE_SENSORS_FPRINT_SECURE
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clk_put(clk_setting->fp_spi_pclk);
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clk_put(clk_setting->fp_spi_sclk);
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#endif
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return 0;
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}
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int spi_clk_enable(struct spi_clk_setting *clk_setting)
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{
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int retval = 0;
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#ifdef ENABLE_SENSORS_FPRINT_SECURE
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if (!clk_setting->enabled_clk) {
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retval = clk_prepare_enable(clk_setting->fp_spi_sclk);
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if (retval < 0) {
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pr_err("Unable to enable spi clk\n");
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return retval;
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}
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pr_debug("ENABLE_SPI_CLOCK %d\n", clk_setting->spi_speed);
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__pm_stay_awake(clk_setting->spi_wake_lock);
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clk_setting->enabled_clk = true;
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}
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#endif
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return retval;
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}
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int spi_clk_disable(struct spi_clk_setting *clk_setting)
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{
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#ifdef ENABLE_SENSORS_FPRINT_SECURE
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if (clk_setting->enabled_clk) {
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clk_disable_unprepare(clk_setting->fp_spi_sclk);
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__pm_relax(clk_setting->spi_wake_lock);
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clk_setting->enabled_clk = false;
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pr_debug("DISABLE_SPI_CLOCK\n");
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}
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#endif
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return 0;
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}
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int cpu_speedup_enable(struct boosting_config *boosting)
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{
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return 0;
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}
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int cpu_speedup_disable(struct boosting_config *boosting)
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{
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return 0;
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}
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