| ohci.h (498495dba268b20e8eadd7fe93c140c68b6cc9d2) | ohci.h (7a14f78d70dd9fde77275a3cc9427de862969c4c) |
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| 1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _FIREWIRE_OHCI_H 3#define _FIREWIRE_OHCI_H 4 5/* OHCI register map */ 6 7#define OHCI1394_Version 0x000 8#define OHCI1394_GUID_ROM 0x004 --- 142 unchanged lines hidden (view full) --- 151#define OHCI1394_evt_tcode_err 0xb 152#define OHCI1394_evt_reserved_b 0xc 153#define OHCI1394_evt_reserved_c 0xd 154#define OHCI1394_evt_unknown 0xe 155#define OHCI1394_evt_flushed 0xf 156 157#define OHCI1394_phy_tcode 0xe 158 | 1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _FIREWIRE_OHCI_H 3#define _FIREWIRE_OHCI_H 4 5/* OHCI register map */ 6 7#define OHCI1394_Version 0x000 8#define OHCI1394_GUID_ROM 0x004 --- 142 unchanged lines hidden (view full) --- 151#define OHCI1394_evt_tcode_err 0xb 152#define OHCI1394_evt_reserved_b 0xc 153#define OHCI1394_evt_reserved_c 0xd 154#define OHCI1394_evt_unknown 0xe 155#define OHCI1394_evt_flushed 0xf 156 157#define OHCI1394_phy_tcode 0xe 158 |
| 159// Self-ID DMA. 160 161#define OHCI1394_SelfIDCount_selfIDError_MASK 0x80000000 162#define OHCI1394_SelfIDCount_selfIDError_SHIFT 31 163#define OHCI1394_SelfIDCount_selfIDGeneration_MASK 0x00ff0000 164#define OHCI1394_SelfIDCount_selfIDGeneration_SHIFT 16 165#define OHCI1394_SelfIDCount_selfIDSize_MASK 0x000007fc 166#define OHCI1394_SelfIDCount_selfIDSize_SHIFT 2 167 168static inline bool ohci1394_self_id_count_is_error(u32 value) 169{ 170 return !!((value & OHCI1394_SelfIDCount_selfIDError_MASK) >> OHCI1394_SelfIDCount_selfIDError_SHIFT); 171} 172 173static inline u8 ohci1394_self_id_count_get_generation(u32 value) 174{ 175 return (value & OHCI1394_SelfIDCount_selfIDGeneration_MASK) >> OHCI1394_SelfIDCount_selfIDGeneration_SHIFT; 176} 177 178// In 1394 OHCI specification, the maximum size of self ID stream is 504 quadlets 179// (= 63 devices * 4 self ID packets * 2 quadlets). The selfIDSize field accommodates it and its 180// additional first quadlet, since the field is 9 bits (0x1ff = 511). 181static inline u32 ohci1394_self_id_count_get_size(u32 value) 182{ 183 return (value & OHCI1394_SelfIDCount_selfIDSize_MASK) >> OHCI1394_SelfIDCount_selfIDSize_SHIFT; 184} 185 186#define OHCI1394_SELF_ID_RECEIVE_Q0_GENERATION_MASK 0x00ff0000 187#define OHCI1394_SELF_ID_RECEIVE_Q0_GENERATION_SHIFT 16 188#define OHCI1394_SELF_ID_RECEIVE_Q0_TIMESTAMP_MASK 0x0000ffff 189#define OHCI1394_SELF_ID_RECEIVE_Q0_TIMESTAMP_SHIFT 0 190 191static inline u8 ohci1394_self_id_receive_q0_get_generation(u32 quadlet0) 192{ 193 return (quadlet0 & OHCI1394_SELF_ID_RECEIVE_Q0_GENERATION_MASK) >> OHCI1394_SELF_ID_RECEIVE_Q0_GENERATION_SHIFT; 194} 195 196static inline u16 ohci1394_self_id_receive_q0_get_timestamp(u32 quadlet0) 197{ 198 return (quadlet0 & OHCI1394_SELF_ID_RECEIVE_Q0_TIMESTAMP_MASK) >> OHCI1394_SELF_ID_RECEIVE_Q0_TIMESTAMP_SHIFT; 199} 200 |
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| 159#endif /* _FIREWIRE_OHCI_H */ | 201#endif /* _FIREWIRE_OHCI_H */ |