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author | Ben Skeggs <bskeggs@redhat.com> | 2015-08-20 14:54:15 +1000 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2015-08-28 12:40:29 +1000 |
commit | 2aa5eac5163fedf09f2d61992cb5ea4d75bec9db (patch) | |
tree | 64bd7231349c928341892f4141d85e3397400d0a /drivers/gpu/drm/nouveau/nvkm/subdev/bios | |
parent | d36a99d2da22bdffebf644e4a5f811e8eff82360 (diff) | |
download | op-kernel-dev-2aa5eac5163fedf09f2d61992cb5ea4d75bec9db.zip op-kernel-dev-2aa5eac5163fedf09f2d61992cb5ea4d75bec9db.tar.gz |
drm/nouveau/i2c: transition pad/ports away from being based on nvkm_object
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bios')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/i2c.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c | 76 |
2 files changed, 39 insertions, 41 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/i2c.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/i2c.c index 7380f01..0fc60be 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/i2c.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/i2c.c @@ -76,8 +76,8 @@ dcb_i2c_parse(struct nvkm_bios *bios, u8 idx, struct dcb_i2c_entry *info) if (ent) { if (ver >= 0x41) { u32 ent_value = nvbios_rd32(bios, ent); - u8 i2c_port = (ent_value >> 27) & 0x1f; - u8 dpaux_port = (ent_value >> 22) & 0x1f; + u8 i2c_port = (ent_value >> 0) & 0x1f; + u8 dpaux_port = (ent_value >> 5) & 0x1f; /* value 0x1f means unused according to DCB 4.x spec */ if (i2c_port == 0x1f && dpaux_port == 0x1f) info->type = DCB_I2C_UNUSED; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c index 8b175d8..c2c2d90 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c @@ -259,62 +259,60 @@ init_wrvgai(struct nvbios_init *init, u16 port, u8 index, u8 value) } } -static struct nvkm_i2c_port * +static struct i2c_adapter * init_i2c(struct nvbios_init *init, int index) { - struct nvkm_i2c *i2c = nvkm_i2c(init->bios); + struct nvkm_i2c *i2c = init->bios->subdev.device->i2c; + struct nvkm_i2c_bus *bus; if (index == 0xff) { - index = NV_I2C_DEFAULT(0); + index = NVKM_I2C_BUS_PRI; if (init->outp && init->outp->i2c_upper_default) - index = NV_I2C_DEFAULT(1); - } else - if (index < 0) { - if (!init->outp) { - if (init_exec(init)) - error("script needs output for i2c\n"); - return NULL; - } - - if (index == -2 && init->outp->location) { - index = NV_I2C_TYPE_EXTAUX(init->outp->extdev); - return i2c->find_type(i2c, index); - } - - index = init->outp->i2c_index; - if (init->outp->type == DCB_OUTPUT_DP) - index += NV_I2C_AUX(0); + index = NVKM_I2C_BUS_SEC; } - return i2c->find(i2c, index); + bus = nvkm_i2c_bus_find(i2c, index); + return bus ? &bus->i2c : NULL; } static int init_rdi2cr(struct nvbios_init *init, u8 index, u8 addr, u8 reg) { - struct nvkm_i2c_port *port = init_i2c(init, index); - if (port && init_exec(init)) - return nv_rdi2cr(port, addr, reg); + struct i2c_adapter *adap = init_i2c(init, index); + if (adap && init_exec(init)) + return nvkm_rdi2cr(adap, addr, reg); return -ENODEV; } static int init_wri2cr(struct nvbios_init *init, u8 index, u8 addr, u8 reg, u8 val) { - struct nvkm_i2c_port *port = init_i2c(init, index); - if (port && init_exec(init)) - return nv_wri2cr(port, addr, reg, val); + struct i2c_adapter *adap = init_i2c(init, index); + if (adap && init_exec(init)) + return nvkm_wri2cr(adap, addr, reg, val); return -ENODEV; } +static struct nvkm_i2c_aux * +init_aux(struct nvbios_init *init) +{ + struct nvkm_i2c *i2c = init->bios->subdev.device->i2c; + if (!init->outp) { + if (init_exec(init)) + error("script needs output for aux\n"); + return NULL; + } + return nvkm_i2c_aux_find(i2c, init->outp->i2c_index); +} + static u8 init_rdauxr(struct nvbios_init *init, u32 addr) { - struct nvkm_i2c_port *port = init_i2c(init, -2); + struct nvkm_i2c_aux *aux = init_aux(init); u8 data; - if (port && init_exec(init)) { - int ret = nv_rdaux(port, addr, &data, 1); + if (aux && init_exec(init)) { + int ret = nvkm_rdaux(aux, addr, &data, 1); if (ret == 0) return data; trace("auxch read failed with %d\n", ret); @@ -326,9 +324,9 @@ init_rdauxr(struct nvbios_init *init, u32 addr) static int init_wrauxr(struct nvbios_init *init, u32 addr, u8 data) { - struct nvkm_i2c_port *port = init_i2c(init, -2); - if (port && init_exec(init)) { - int ret = nv_wraux(port, addr, &data, 1); + struct nvkm_i2c_aux *aux = init_aux(init); + if (aux && init_exec(init)) { + int ret = nvkm_wraux(aux, addr, &data, 1); if (ret) trace("auxch write failed with %d\n", ret); return ret; @@ -1065,13 +1063,13 @@ init_zm_i2c(struct nvbios_init *init) } if (init_exec(init)) { - struct nvkm_i2c_port *port = init_i2c(init, index); + struct i2c_adapter *adap = init_i2c(init, index); struct i2c_msg msg = { .addr = addr, .flags = 0, .len = count, .buf = data, }; int ret; - if (port && (ret = i2c_transfer(&port->adapter, &msg, 1)) != 1) + if (adap && (ret = i2c_transfer(adap, &msg, 1)) != 1) warn("i2c wr failed, %d\n", ret); } } @@ -2127,15 +2125,15 @@ init_i2c_long_if(struct nvbios_init *init) u8 reghi = nvbios_rd08(bios, init->offset + 4); u8 mask = nvbios_rd08(bios, init->offset + 5); u8 data = nvbios_rd08(bios, init->offset + 6); - struct nvkm_i2c_port *port; + struct i2c_adapter *adap; trace("I2C_LONG_IF\t" "I2C[0x%02x][0x%02x][0x%02x%02x] & 0x%02x == 0x%02x\n", index, addr, reglo, reghi, mask, data); init->offset += 7; - port = init_i2c(init, index); - if (port) { + adap = init_i2c(init, index); + if (adap) { u8 i[2] = { reghi, reglo }; u8 o[1] = {}; struct i2c_msg msg[] = { @@ -2144,7 +2142,7 @@ init_i2c_long_if(struct nvbios_init *init) }; int ret; - ret = i2c_transfer(&port->adapter, msg, 2); + ret = i2c_transfer(adap, msg, 2); if (ret == 2 && ((o[0] & mask) == data)) return; } |