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https://github.com/AsahiLinux/m1n1
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98076ef693
Restore the interrupt masks on chainload or HV guest start. The interrupt mask is not restored on the USB-C port used by the hypervisor. This prevents an interrupt storm in the guest when the other USB-C port is exposed to the guest. Both tps6598x share unfortunately an interrupt line. Signed-off-by: Janne Grunau <j@jannau.net>
28 lines
770 B
C
28 lines
770 B
C
/* SPDX-License-Identifier: MIT */
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#ifndef TPS6598X_H
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#define TPS6598X_H
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#include "i2c.h"
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#include "types.h"
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typedef struct tps6598x_dev tps6598x_dev_t;
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tps6598x_dev_t *tps6598x_init(const char *adt_path, i2c_dev_t *i2c);
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void tps6598x_shutdown(tps6598x_dev_t *dev);
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int tps6598x_command(tps6598x_dev_t *dev, const char *cmd, const u8 *data_in, size_t len_in,
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u8 *data_out, size_t len_out);
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int tps6598x_powerup(tps6598x_dev_t *dev);
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#define CD3218B12_IRQ_WIDTH 9
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typedef struct tps6598x_irq_state {
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u8 int_mask1[CD3218B12_IRQ_WIDTH];
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bool valid;
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} tps6598x_irq_state_t;
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int tps6598x_disable_irqs(tps6598x_dev_t *dev, tps6598x_irq_state_t *state);
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int tps6598x_restore_irqs(tps6598x_dev_t *dev, tps6598x_irq_state_t *state);
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#endif
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