diff options
Diffstat (limited to 'drivers/ata/sata_gemini.h')
| -rw-r--r-- | drivers/ata/sata_gemini.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/ata/sata_gemini.h b/drivers/ata/sata_gemini.h new file mode 100644 index 000000000..6f6e691d6 --- /dev/null +++ b/drivers/ata/sata_gemini.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Header for the Gemini SATA bridge */ +#ifndef SATA_GEMINI_H +#define SATA_GEMINI_H + +struct sata_gemini; + +enum gemini_muxmode { + GEMINI_MUXMODE_0 = 0, + GEMINI_MUXMODE_1, + GEMINI_MUXMODE_2, + GEMINI_MUXMODE_3, +}; + +struct sata_gemini *gemini_sata_bridge_get(void); +bool gemini_sata_bridge_enabled(struct sata_gemini *sg, bool is_ata1); +enum gemini_muxmode gemini_sata_get_muxmode(struct sata_gemini *sg); +int gemini_sata_start_bridge(struct sata_gemini *sg, unsigned int bridge); +void gemini_sata_stop_bridge(struct sata_gemini *sg, unsigned int bridge); +int gemini_sata_reset_bridge(struct sata_gemini *sg, unsigned int bridge); + +#endif |