projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 6a9ee8af DA |
1 | /* |
| 2 | * Copyright (c) 2010 Red Hat Inc. | |
| 3 | * Author : Dave Airlie <airlied@redhat.com> | |
| 4 | * | |
| 5 | * Licensed under GPLv2 | |
| 6 | * | |
| 7 | * vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs | |
| 8 | */ | |
| 9 | ||
| d3decf3a OÇ |
10 | #ifndef _LINUX_VGA_SWITCHEROO_H_ |
| 11 | #define _LINUX_VGA_SWITCHEROO_H_ | |
| 12 | ||
| 6a9ee8af DA |
13 | #include <linux/fb.h> |
| 14 | ||
| f8fee8f5 RD |
15 | struct pci_dev; |
| 16 | ||
| 6a9ee8af DA |
17 | enum vga_switcheroo_state { |
| 18 | VGA_SWITCHEROO_OFF, | |
| 19 | VGA_SWITCHEROO_ON, | |
| c8e9cf7b TI |
20 | /* below are referred only from vga_switcheroo_get_client_state() */ |
| 21 | VGA_SWITCHEROO_INIT, | |
| 22 | VGA_SWITCHEROO_NOT_FOUND, | |
| 6a9ee8af DA |
23 | }; |
| 24 | ||
| 25 | enum vga_switcheroo_client_id { | |
| 26 | VGA_SWITCHEROO_IGD, | |
| 27 | VGA_SWITCHEROO_DIS, | |
| 28 | VGA_SWITCHEROO_MAX_CLIENTS, | |
| 29 | }; | |
| 30 | ||
| 31 | struct vga_switcheroo_handler { | |
| 32 | int (*switchto)(enum vga_switcheroo_client_id id); | |
| 33 | int (*power_state)(enum vga_switcheroo_client_id id, | |
| 34 | enum vga_switcheroo_state state); | |
| 35 | int (*init)(void); | |
| 36 | int (*get_client_id)(struct pci_dev *pdev); | |
| 37 | }; | |
| 38 | ||
| 26ec685f TI |
39 | struct vga_switcheroo_client_ops { |
| 40 | void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state); | |
| 41 | void (*reprobe)(struct pci_dev *dev); | |
| 42 | bool (*can_switch)(struct pci_dev *dev); | |
| 43 | }; | |
| 6a9ee8af DA |
44 | |
| 45 | #if defined(CONFIG_VGA_SWITCHEROO) | |
| 46 | void vga_switcheroo_unregister_client(struct pci_dev *dev); | |
| 47 | int vga_switcheroo_register_client(struct pci_dev *dev, | |
| 0d69704a DA |
48 | const struct vga_switcheroo_client_ops *ops, |
| 49 | bool driver_power_control); | |
| 3e9e63db TI |
50 | int vga_switcheroo_register_audio_client(struct pci_dev *pdev, |
| 51 | const struct vga_switcheroo_client_ops *ops, | |
| 52 | int id, bool active); | |
| 6a9ee8af DA |
53 | |
| 54 | void vga_switcheroo_client_fb_set(struct pci_dev *dev, | |
| 55 | struct fb_info *info); | |
| 56 | ||
| 57 | int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler); | |
| 58 | void vga_switcheroo_unregister_handler(void); | |
| 59 | ||
| 60 | int vga_switcheroo_process_delayed_switch(void); | |
| 61 | ||
| c8e9cf7b TI |
62 | int vga_switcheroo_get_client_state(struct pci_dev *dev); |
| 63 | ||
| 0d69704a DA |
64 | void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic); |
| 65 | ||
| 66 | int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain); | |
| 766a53d0 | 67 | void vga_switcheroo_fini_domain_pm_ops(struct device *dev); |
| 0d69704a | 68 | int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain); |
| 6a9ee8af DA |
69 | #else |
| 70 | ||
| 71 | static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} | |
| 72 | static inline int vga_switcheroo_register_client(struct pci_dev *dev, | |
| 0d69704a | 73 | const struct vga_switcheroo_client_ops *ops, bool driver_power_control) { return 0; } |
| 6a9ee8af DA |
74 | static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {} |
| 75 | static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; } | |
| 3e9e63db TI |
76 | static inline int vga_switcheroo_register_audio_client(struct pci_dev *pdev, |
| 77 | const struct vga_switcheroo_client_ops *ops, | |
| 78 | int id, bool active) { return 0; } | |
| 6a9ee8af DA |
79 | static inline void vga_switcheroo_unregister_handler(void) {} |
| 80 | static inline int vga_switcheroo_process_delayed_switch(void) { return 0; } | |
| 505cff00 | 81 | static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return VGA_SWITCHEROO_ON; } |
| c8e9cf7b | 82 | |
| 0d69704a DA |
83 | static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {} |
| 84 | ||
| 85 | static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } | |
| 766a53d0 | 86 | static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {} |
| 0d69704a | 87 | static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } |
| 6a9ee8af DA |
88 | |
| 89 | #endif | |
| d3decf3a | 90 | #endif /* _LINUX_VGA_SWITCHEROO_H_ */ |