summaryrefslogtreecommitdiffstats
path: root/drivers/ata/sata_gemini.h
blob: 6f6e691d60071629fdfba9179244f9f515ee65df (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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
OpenPOWER on IntegriCloud