diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c | |
parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c | 109 |
1 files changed, 6 insertions, 103 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c index fba5b26a5..75640ab97 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c @@ -21,113 +21,16 @@ * * Authors: Ben Skeggs */ -#include "nv50.h" - -void -nv50_i2c_drive_scl(struct nvkm_i2c_port *base, int state) -{ - struct nv50_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv50_i2c_port *port = (void *)base; - if (state) port->state |= 0x01; - else port->state &= 0xfe; - nv_wr32(priv, port->addr, port->state); -} - -void -nv50_i2c_drive_sda(struct nvkm_i2c_port *base, int state) -{ - struct nv50_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv50_i2c_port *port = (void *)base; - if (state) port->state |= 0x02; - else port->state &= 0xfd; - nv_wr32(priv, port->addr, port->state); -} - -int -nv50_i2c_sense_scl(struct nvkm_i2c_port *base) -{ - struct nv50_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv50_i2c_port *port = (void *)base; - return !!(nv_rd32(priv, port->addr) & 0x00000001); -} - -int -nv50_i2c_sense_sda(struct nvkm_i2c_port *base) -{ - struct nv50_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv50_i2c_port *port = (void *)base; - return !!(nv_rd32(priv, port->addr) & 0x00000002); -} +#include "priv.h" +#include "pad.h" static const struct nvkm_i2c_func -nv50_i2c_func = { - .drive_scl = nv50_i2c_drive_scl, - .drive_sda = nv50_i2c_drive_sda, - .sense_scl = nv50_i2c_sense_scl, - .sense_sda = nv50_i2c_sense_sda, -}; - -const u32 nv50_i2c_addr[] = { - 0x00e138, 0x00e150, 0x00e168, 0x00e180, - 0x00e254, 0x00e274, 0x00e764, 0x00e780, - 0x00e79c, 0x00e7b8 +nv50_i2c = { + .pad_x_new = nv50_i2c_pad_new, }; -const int nv50_i2c_addr_nr = ARRAY_SIZE(nv50_i2c_addr); - -static int -nv50_i2c_port_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) -{ - struct dcb_i2c_entry *info = data; - struct nv50_i2c_port *port; - int ret; - - ret = nvkm_i2c_port_create(parent, engine, oclass, index, - &nvkm_i2c_bit_algo, &nv50_i2c_func, &port); - *pobject = nv_object(port); - if (ret) - return ret; - - if (info->drive >= nv50_i2c_addr_nr) - return -EINVAL; - - port->state = 0x00000007; - port->addr = nv50_i2c_addr[info->drive]; - return 0; -} int -nv50_i2c_port_init(struct nvkm_object *object) +nv50_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) { - struct nv50_i2c_priv *priv = (void *)nvkm_i2c(object); - struct nv50_i2c_port *port = (void *)object; - nv_wr32(priv, port->addr, port->state); - return nvkm_i2c_port_init(&port->base); + return nvkm_i2c_new_(&nv50_i2c, device, index, pi2c); } - -static struct nvkm_oclass -nv50_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = nv50_i2c_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = nv50_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - {} -}; - -struct nvkm_oclass * -nv50_i2c_oclass = &(struct nvkm_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0x50), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_ctor, - .dtor = _nvkm_i2c_dtor, - .init = _nvkm_i2c_init, - .fini = _nvkm_i2c_fini, - }, - .sclass = nv50_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, -}.base; |