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Commit e0996aea authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/gpio: port gpio to subdev interfaces 



v2: Ben Skeggs <bskeggs@redhat.com>
- rebase on top of v3.6-rc6 with gpio reset patch integrated already

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent cd42439d

drivers/gpu/drm/nouveau/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ nouveau-y += core/core/subdev.o 


nouveau-y += core/subdev/bios/base.o

nouveau-y += core/subdev/bios/bit.o

nouveau-y += core/subdev/bios/dcb.o

nouveau-y += core/subdev/bios/gpio.o

nouveau-y += core/subdev/device/base.o

nouveau-y += core/subdev/device/nv04.o

nouveau-y += core/subdev/device/nv10.o
@@ -41,6 +43,7 @@ nouveau-y += core/subdev/fb/nvc0_vram.o 
nouveau-y += core/subdev/gpio/base.o

nouveau-y += core/subdev/gpio/nv10.o

nouveau-y += core/subdev/gpio/nv50.o

nouveau-y += core/subdev/gpio/nvd0.o

nouveau-y += core/subdev/i2c/base.o

nouveau-y += core/subdev/instmem/nv04.o

nouveau-y += core/subdev/instmem/nv50.o

drivers/gpu/drm/nouveau/core/include/subdev/bios/dcb.h

0 → 100644
+19 −0
Original line number Diff line number Diff line 
#ifndef __NVBIOS_DCB_H__

#define __NVBIOS_DCB_H__



enum dcb_output_type {

	DCB_OUTPUT_ANALOG	= 0x0,

	DCB_OUTPUT_TV		= 0x1,

	DCB_OUTPUT_TMDS		= 0x2,

	DCB_OUTPUT_LVDS		= 0x3,

	DCB_OUTPUT_DP		= 0x4,

	DCB_OUTPUT_EOL		= 0xe,

	DCB_OUTPUT_UNUSED	= 0xf,

};



u16 dcb_table(struct nouveau_bios *, u8 *ver, u8 *hdr, u8 *ent, u8 *len);

u16 dcb_outp(struct nouveau_bios *, u8 idx, u8 *ver, u8 *len);

int dcb_outp_foreach(struct nouveau_bios *, void *data, int (*exec)

		     (struct nouveau_bios *, void *, int index, u16 entry));



#endif

drivers/gpu/drm/nouveau/core/include/subdev/bios/gpio.h

0 → 100644
+26 −0
Original line number Diff line number Diff line 
#ifndef __NVBIOS_GPIO_H__

#define __NVBIOS_GPIO_H__



struct nouveau_bios;



enum dcb_gpio_func_name {

	DCB_GPIO_PANEL_POWER = 0x01,

	DCB_GPIO_TVDAC0 = 0x0c,

	DCB_GPIO_TVDAC1 = 0x2d,

	DCB_GPIO_PWM_FAN = 0x09,

	DCB_GPIO_FAN_SENSE = 0x3d,

	DCB_GPIO_UNUSED = 0xff

};



struct dcb_gpio_func {

	u8 func;

	u8 line;

	u8 log[2];

};



u16 dcb_gpio_table(struct nouveau_bios *);

u16 dcb_gpio_entry(struct nouveau_bios *, int idx, int ent, u8 *ver);

int dcb_gpio_parse(struct nouveau_bios *, int idx, u8 func, u8 line,

		   struct dcb_gpio_func *);



#endif

drivers/gpu/drm/nouveau/core/include/subdev/gpio.h

+53 −60
Original line number Diff line number Diff line 
/*

 * Copyright 2011 Red Hat Inc.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 * OTHER DEALINGS IN THE SOFTWARE.

 */



#ifndef __NOUVEAU_GPIO_H__

#define __NOUVEAU_GPIO_H__



struct gpio_func {

	u8 func;

	u8 line;

	u8 log[2];

};

#include <core/subdev.h>

#include <core/device.h>



#include <subdev/bios.h>

#include <subdev/bios/gpio.h>



struct nouveau_gpio {

	struct nouveau_subdev base;



	/* hardware interfaces */

	void (*reset)(struct nouveau_gpio *);

	int  (*drive)(struct nouveau_gpio *, int line, int dir, int out);

	int  (*sense)(struct nouveau_gpio *, int line);

	void (*irq_enable)(struct nouveau_gpio *, int line, bool);



	/* software interfaces */

	int  (*find)(struct nouveau_gpio *, int idx, u8 tag, u8 line,

		     struct dcb_gpio_func *);

	int  (*set)(struct nouveau_gpio *, int idx, u8 tag, u8 line, int state);

	int  (*get)(struct nouveau_gpio *, int idx, u8 tag, u8 line);

	int  (*irq)(struct nouveau_gpio *, int idx, u8 tag, u8 line, bool on);



	/* interrupt handling */

	struct list_head isr;

	spinlock_t lock;



/* nouveau_gpio.c */

int  nouveau_gpio_create(struct drm_device *);

void nouveau_gpio_destroy(struct drm_device *);

int  nouveau_gpio_init(struct drm_device *);

void nouveau_gpio_fini(struct drm_device *);

void nouveau_gpio_reset(struct drm_device *);

int  nouveau_gpio_drive(struct drm_device *, int idx, int line,

			int dir, int out);

int  nouveau_gpio_sense(struct drm_device *, int idx, int line);

int  nouveau_gpio_find(struct drm_device *, int idx, u8 tag, u8 line,

		       struct gpio_func *);

int  nouveau_gpio_set(struct drm_device *, int idx, u8 tag, u8 line, int state);

int  nouveau_gpio_get(struct drm_device *, int idx, u8 tag, u8 line);

int  nouveau_gpio_irq(struct drm_device *, int idx, u8 tag, u8 line, bool on);

void nouveau_gpio_isr(struct drm_device *, int idx, u32 mask);

int  nouveau_gpio_isr_add(struct drm_device *, int idx, u8 tag, u8 line,

	void (*isr_run)(struct nouveau_gpio *, int idx, u32 mask);

	int  (*isr_add)(struct nouveau_gpio *, int idx, u8 tag, u8 line,

			void (*)(void *, int state), void *data);

void nouveau_gpio_isr_del(struct drm_device *, int idx, u8 tag, u8 line,

	void (*isr_del)(struct nouveau_gpio *, int idx, u8 tag, u8 line,

			void (*)(void *, int state), void *data);

};



static inline bool

nouveau_gpio_func_valid(struct drm_device *dev, u8 tag)

static inline struct nouveau_gpio *

nouveau_gpio(void *obj)

{

	struct gpio_func func;

	return (nouveau_gpio_find(dev, 0, tag, 0xff, &func)) == 0;

	return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_GPIO];

}



static inline int

nouveau_gpio_func_set(struct drm_device *dev, u8 tag, int state)

{

	return nouveau_gpio_set(dev, 0, tag, 0xff, state);

}

#define nouveau_gpio_create(p,e,o,d)                                           \

	nouveau_gpio_create_((p), (e), (o), sizeof(**d), (void **)d)

#define nouveau_gpio_destroy(p)                                                \

	nouveau_subdev_destroy(&(p)->base)

#define nouveau_gpio_fini(p,s)                                                 \

	nouveau_subdev_fini(&(p)->base, (s))



static inline int

nouveau_gpio_func_get(struct drm_device *dev, u8 tag)

{

	return nouveau_gpio_get(dev, 0, tag, 0xff);

}

int nouveau_gpio_create_(struct nouveau_object *, struct nouveau_object *,

			 struct nouveau_oclass *, int, void **);

int nouveau_gpio_init(struct nouveau_gpio *);



extern struct nouveau_oclass nv10_gpio_oclass;

extern struct nouveau_oclass nv50_gpio_oclass;

extern struct nouveau_oclass nvd0_gpio_oclass;



void nv50_gpio_dtor(struct nouveau_object *);

int  nv50_gpio_init(struct nouveau_object *);

int  nv50_gpio_fini(struct nouveau_object *, bool);

void nv50_gpio_intr(struct nouveau_subdev *);

void nv50_gpio_irq_enable(struct nouveau_gpio *, int line, bool);



#endif

drivers/gpu/drm/nouveau/core/os.h

+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/io-mapping.h>

#include <linux/vmalloc.h>

#include <linux/acpi.h>

#include <linux/dmi.h>



#include <asm/unaligned.h>