xref: /OK3568_Linux_fs/kernel/drivers/ata/sata_gemini.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /* Header for the Gemini SATA bridge */
3*4882a593Smuzhiyun #ifndef SATA_GEMINI_H
4*4882a593Smuzhiyun #define SATA_GEMINI_H
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun struct sata_gemini;
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun enum gemini_muxmode {
9*4882a593Smuzhiyun 	GEMINI_MUXMODE_0 = 0,
10*4882a593Smuzhiyun 	GEMINI_MUXMODE_1,
11*4882a593Smuzhiyun 	GEMINI_MUXMODE_2,
12*4882a593Smuzhiyun 	GEMINI_MUXMODE_3,
13*4882a593Smuzhiyun };
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun struct sata_gemini *gemini_sata_bridge_get(void);
16*4882a593Smuzhiyun bool gemini_sata_bridge_enabled(struct sata_gemini *sg, bool is_ata1);
17*4882a593Smuzhiyun enum gemini_muxmode gemini_sata_get_muxmode(struct sata_gemini *sg);
18*4882a593Smuzhiyun int gemini_sata_start_bridge(struct sata_gemini *sg, unsigned int bridge);
19*4882a593Smuzhiyun void gemini_sata_stop_bridge(struct sata_gemini *sg, unsigned int bridge);
20*4882a593Smuzhiyun int gemini_sata_reset_bridge(struct sata_gemini *sg, unsigned int bridge);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #endif
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