diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/i2c')
17 files changed, 786 insertions, 176 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/anx9805.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/anx9805.c index 4b195ac4da66..2c2731a6cf91 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/anx9805.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/anx9805.c @@ -22,7 +22,7 @@ * Authors: Ben Skeggs <bskeggs@redhat.com> */ -#include <subdev/i2c.h> +#include "port.h" struct anx9805_i2c_port { struct nouveau_i2c_port base; @@ -37,6 +37,8 @@ anx9805_train(struct nouveau_i2c_port *port, int link_nr, int link_bw, bool enh) struct nouveau_i2c_port *mast = (void *)nv_object(chan)->parent; u8 tmp, i; + DBG("ANX9805 train %d 0x%02x %d\n", link_nr, link_bw, enh); + nv_wri2cr(mast, chan->addr, 0xa0, link_bw); nv_wri2cr(mast, chan->addr, 0xa1, link_nr | (enh ? 0x80 : 0x00)); nv_wri2cr(mast, chan->addr, 0xa2, 0x01); @@ -60,21 +62,29 @@ anx9805_train(struct nouveau_i2c_port *port, int link_nr, int link_bw, bool enh) } static int -anx9805_aux(struct nouveau_i2c_port *port, u8 type, u32 addr, u8 *data, u8 size) +anx9805_aux(struct nouveau_i2c_port *port, bool retry, + u8 type, u32 addr, u8 *data, u8 size) { struct anx9805_i2c_port *chan = (void *)port; struct nouveau_i2c_port *mast = (void *)nv_object(chan)->parent; int i, ret = -ETIMEDOUT; + u8 buf[16] = {}; u8 tmp; + DBG("%02x %05x %d\n", type, addr, size); + tmp = nv_rdi2cr(mast, chan->ctrl, 0x07) & ~0x04; nv_wri2cr(mast, chan->ctrl, 0x07, tmp | 0x04); nv_wri2cr(mast, chan->ctrl, 0x07, tmp); nv_wri2cr(mast, chan->ctrl, 0xf7, 0x01); nv_wri2cr(mast, chan->addr, 0xe4, 0x80); - for (i = 0; !(type & 1) && i < size; i++) - nv_wri2cr(mast, chan->addr, 0xf0 + i, data[i]); + if (!(type & 1)) { + memcpy(buf, data, size); + DBG("%16ph", buf); + for (i = 0; i < size; i++) + nv_wri2cr(mast, chan->addr, 0xf0 + i, buf[i]); + } nv_wri2cr(mast, chan->addr, 0xe5, ((size - 1) << 4) | type); nv_wri2cr(mast, chan->addr, 0xe6, (addr & 0x000ff) >> 0); nv_wri2cr(mast, chan->addr, 0xe7, (addr & 0x0ff00) >> 8); @@ -93,8 +103,13 @@ anx9805_aux(struct nouveau_i2c_port *port, u8 type, u32 addr, u8 *data, u8 size) goto done; } - for (i = 0; (type & 1) && i < size; i++) - data[i] = nv_rdi2cr(mast, chan->addr, 0xf0 + i); + if (type & 1) { + for (i = 0; i < size; i++) + buf[i] = nv_rdi2cr(mast, chan->addr, 0xf0 + i); + DBG("%16ph", buf); + memcpy(data, buf, size); + } + ret = 0; done: nv_wri2cr(mast, chan->ctrl, 0xf7, 0x01); diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/aux.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/aux.c index 5de074ad170b..02eb42be2e9e 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/aux.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/aux.c @@ -22,15 +22,19 @@ * Authors: Ben Skeggs */ -#include <subdev/i2c.h> +#include "priv.h" int nv_rdaux(struct nouveau_i2c_port *port, u32 addr, u8 *data, u8 size) { + struct nouveau_i2c *i2c = nouveau_i2c(port); if (port->func->aux) { - if (port->func->acquire) - port->func->acquire(port); - return port->func->aux(port, 9, addr, data, size); + int ret = i2c->acquire(port, 0); + if (ret == 0) { + ret = port->func->aux(port, true, 9, addr, data, size); + i2c->release(port); + } + return ret; } return -ENODEV; } @@ -38,10 +42,14 @@ nv_rdaux(struct nouveau_i2c_port *port, u32 addr, u8 *data, u8 size) int nv_wraux(struct nouveau_i2c_port *port, u32 addr, u8 *data, u8 size) { + struct nouveau_i2c *i2c = nouveau_i2c(port); if (port->func->aux) { - if (port->func->acquire) - port->func->acquire(port); - return port->func->aux(port, 8, addr, data, size); + int ret = i2c->acquire(port, 0); + if (ret == 0) { + ret = port->func->aux(port, true, 8, addr, data, size); + i2c->release(port); + } + return ret; } return -ENODEV; } @@ -50,13 +58,16 @@ static int aux_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) { struct nouveau_i2c_port *port = adap->algo_data; + struct nouveau_i2c *i2c = nouveau_i2c(port); struct i2c_msg *msg = msgs; int ret, mcnt = num; if (!port->func->aux) return -ENODEV; - if ( port->func->acquire) - port->func->acquire(port); + + ret = i2c->acquire(port, 0); + if (ret) + return ret; while (mcnt--) { u8 remaining = msg->len; @@ -74,9 +85,11 @@ aux_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if (mcnt || remaining > 16) cmd |= 4; /* MOT */ - ret = port->func->aux(port, cmd, msg->addr, ptr, cnt); - if (ret < 0) + ret = port->func->aux(port, true, cmd, msg->addr, ptr, cnt); + if (ret < 0) { + i2c->release(port); return ret; + } ptr += cnt; remaining -= cnt; @@ -85,6 +98,7 @@ aux_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) msg++; } + i2c->release(port); return num; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c index 378e05b88e6f..09ba2cc851cf 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c @@ -23,13 +23,16 @@ */ #include <core/option.h> +#include <core/event.h> #include <subdev/bios.h> #include <subdev/bios/dcb.h> #include <subdev/bios/i2c.h> -#include <subdev/i2c.h> #include <subdev/vga.h> +#include "priv.h" +#include "pad.h" + /****************************************************************************** * interface to linux i2c bit-banging algorithm *****************************************************************************/ @@ -45,9 +48,15 @@ nouveau_i2c_pre_xfer(struct i2c_adapter *adap) { struct i2c_algo_bit_data *bit = adap->algo_data; struct nouveau_i2c_port *port = bit->data; - if (port->func->acquire) - port->func->acquire(port); - return 0; + return nouveau_i2c(port)->acquire(port, bit->timeout); +} + +static void +nouveau_i2c_post_xfer(struct i2c_adapter *adap) +{ + struct i2c_algo_bit_data *bit = adap->algo_data; + struct nouveau_i2c_port *port = bit->data; + return nouveau_i2c(port)->release(port); } static void @@ -82,6 +91,15 @@ nouveau_i2c_getsda(void *data) * base i2c "port" class implementation *****************************************************************************/ +int +_nouveau_i2c_port_fini(struct nouveau_object *object, bool suspend) +{ + struct nouveau_i2c_port *port = (void *)object; + struct nvkm_i2c_pad *pad = nvkm_i2c_pad(port); + nv_ofuncs(pad)->fini(nv_object(pad), suspend); + return nouveau_object_fini(&port->base, suspend); +} + void _nouveau_i2c_port_dtor(struct nouveau_object *object) { @@ -98,7 +116,7 @@ nouveau_i2c_port_create_(struct nouveau_object *parent, const struct nouveau_i2c_func *func, int size, void **pobject) { - struct nouveau_device *device = nv_device(parent); + struct nouveau_device *device = nv_device(engine); struct nouveau_i2c *i2c = (void *)engine; struct nouveau_i2c_port *port; int ret; @@ -113,8 +131,9 @@ nouveau_i2c_port_create_(struct nouveau_object *parent, port->adapter.owner = THIS_MODULE; port->adapter.dev.parent = nv_device_base(device); port->index = index; + port->aux = -1; port->func = func; - i2c_set_adapdata(&port->adapter, i2c); + mutex_init(&port->mutex); if ( algo == &nouveau_i2c_bit_algo && !nouveau_boolopt(device->cfgopt, "NvI2C", CSTMSEL)) { @@ -128,6 +147,7 @@ nouveau_i2c_port_create_(struct nouveau_object *parent, bit->timeout = usecs_to_jiffies(2200); bit->data = port; bit->pre_xfer = nouveau_i2c_pre_xfer; + bit->post_xfer = nouveau_i2c_post_xfer; bit->setsda = nouveau_i2c_setsda; bit->setscl = nouveau_i2c_setscl; bit->getsda = nouveau_i2c_getsda; @@ -141,7 +161,6 @@ nouveau_i2c_port_create_(struct nouveau_object *parent, ret = i2c_add_adapter(&port->adapter); } - /* drop port's i2c subdev refcount, i2c handles this itself */ if (ret == 0) list_add_tail(&port->head, &i2c->ports); return ret; @@ -193,6 +212,75 @@ nouveau_i2c_find_type(struct nouveau_i2c *i2c, u16 type) return NULL; } +static void +nouveau_i2c_release_pad(struct nouveau_i2c_port *port) +{ + struct nvkm_i2c_pad *pad = nvkm_i2c_pad(port); + struct nouveau_i2c *i2c = nouveau_i2c(port); + + if (atomic_dec_and_test(&nv_object(pad)->usecount)) { + nv_ofuncs(pad)->fini(nv_object(pad), false); + wake_up_all(&i2c->wait); + } +} + +static int +nouveau_i2c_try_acquire_pad(struct nouveau_i2c_port *port) +{ + struct nvkm_i2c_pad *pad = nvkm_i2c_pad(port); + + if (atomic_add_return(1, &nv_object(pad)->usecount) != 1) { + struct nouveau_object *owner = (void *)pad->port; + do { + if (owner == (void *)port) + return 0; + owner = owner->parent; + } while(owner); + nouveau_i2c_release_pad(port); + return -EBUSY; + } + + pad->next = port; + nv_ofuncs(pad)->init(nv_object(pad)); + return 0; +} + +static int +nouveau_i2c_acquire_pad(struct nouveau_i2c_port *port, unsigned long timeout) +{ + struct nouveau_i2c *i2c = nouveau_i2c(port); + + if (timeout) { + if (wait_event_timeout(i2c->wait, + nouveau_i2c_try_acquire_pad(port) == 0, + timeout) == 0) + return -EBUSY; + } else { + wait_event(i2c->wait, nouveau_i2c_try_acquire_pad(port) == 0); + } + + return 0; +} + +static void +nouveau_i2c_release(struct nouveau_i2c_port *port) +__releases(pad->mutex) +{ + nouveau_i2c(port)->release_pad(port); + mutex_unlock(&port->mutex); +} + +static int +nouveau_i2c_acquire(struct nouveau_i2c_port *port, unsigned long timeout) +__acquires(pad->mutex) +{ + int ret; + mutex_lock(&port->mutex); + if ((ret = nouveau_i2c(port)->acquire_pad(port, timeout))) + mutex_unlock(&port->mutex); + return ret; +} + static int nouveau_i2c_identify(struct nouveau_i2c *i2c, int index, const char *what, struct nouveau_i2c_board_info *info, @@ -237,11 +325,59 @@ nouveau_i2c_identify(struct nouveau_i2c *i2c, int index, const char *what, return -ENODEV; } +static void +nouveau_i2c_intr_disable(struct nouveau_event *event, int type, int index) +{ + struct nouveau_i2c *i2c = nouveau_i2c(event->priv); + struct nouveau_i2c_port *port = i2c->find(i2c, index); + const struct nouveau_i2c_impl *impl = (void *)nv_object(i2c)->oclass; + if (port && port->aux >= 0) + impl->aux_mask(i2c, type, 1 << port->aux, 0); +} + +static void +nouveau_i2c_intr_enable(struct nouveau_event *event, int type, int index) +{ + struct nouveau_i2c *i2c = nouveau_i2c(event->priv); + struct nouveau_i2c_port *port = i2c->find(i2c, index); + const struct nouveau_i2c_impl *impl = (void *)nv_object(i2c)->oclass; + if (port && port->aux >= 0) + impl->aux_mask(i2c, type, 1 << port->aux, 1 << port->aux); +} + +static void +nouveau_i2c_intr(struct nouveau_subdev *subdev) +{ + struct nouveau_i2c_impl *impl = (void *)nv_oclass(subdev); + struct nouveau_i2c *i2c = nouveau_i2c(subdev); + struct nouveau_i2c_port *port; + u32 hi, lo, rq, tx, e; + + if (impl->aux_stat) { + impl->aux_stat(i2c, &hi, &lo, &rq, &tx); + if (hi || lo || rq || tx) { + list_for_each_entry(port, &i2c->ports, head) { + if (e = 0, port->aux < 0) + continue; + + if (hi & (1 << port->aux)) e |= NVKM_I2C_PLUG; + if (lo & (1 << port->aux)) e |= NVKM_I2C_UNPLUG; + if (rq & (1 << port->aux)) e |= NVKM_I2C_IRQ; + if (tx & (1 << port->aux)) e |= NVKM_I2C_DONE; + + nouveau_event_trigger(i2c->ntfy, e, port->index); + } + } + } +} + int _nouveau_i2c_fini(struct nouveau_object *object, bool suspend) { + struct nouveau_i2c_impl *impl = (void *)nv_oclass(object); struct nouveau_i2c *i2c = (void *)object; struct nouveau_i2c_port *port; + u32 mask; int ret; list_for_each_entry(port, &i2c->ports, head) { @@ -250,6 +386,11 @@ _nouveau_i2c_fini(struct nouveau_object *object, bool suspend) goto fail; } + if ((mask = (1 << impl->aux) - 1), impl->aux_stat) { + impl->aux_mask(i2c, NVKM_I2C_ANY, mask, 0); + impl->aux_stat(i2c, &mask, &mask, &mask, &mask); + } + return nouveau_subdev_fini(&i2c->base, suspend); fail: list_for_each_entry_continue_reverse(port, &i2c->ports, head) { @@ -290,6 +431,8 @@ _nouveau_i2c_dtor(struct nouveau_object *object) struct nouveau_i2c *i2c = (void *)object; struct nouveau_i2c_port *port, *temp; + nouveau_event_destroy(&i2c->ntfy); + list_for_each_entry_safe(port, temp, &i2c->ports, head) { nouveau_object_ref(NULL, (struct nouveau_object **)&port); } @@ -306,14 +449,14 @@ int nouveau_i2c_create_(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, - struct nouveau_oclass *sclass, int length, void **pobject) { + const struct nouveau_i2c_impl *impl = (void *)oclass; struct nouveau_bios *bios = nouveau_bios(parent); struct nouveau_i2c *i2c; struct nouveau_object *object; struct dcb_i2c_entry info; - int ret, i, j, index = -1; + int ret, i, j, index = -1, pad; struct dcb_output outp; u8 ver, hdr; u32 data; @@ -324,24 +467,48 @@ nouveau_i2c_create_(struct nouveau_object *parent, if (ret) return ret; + nv_subdev(i2c)->intr = nouveau_i2c_intr; i2c->find = nouveau_i2c_find; i2c->find_type = nouveau_i2c_find_type; + i2c->acquire_pad = nouveau_i2c_acquire_pad; + i2c->release_pad = nouveau_i2c_release_pad; + i2c->acquire = nouveau_i2c_acquire; + i2c->release = nouveau_i2c_release; i2c->identify = nouveau_i2c_identify; + init_waitqueue_head(&i2c->wait); INIT_LIST_HEAD(&i2c->ports); while (!dcb_i2c_parse(bios, ++index, &info)) { if (info.type == DCB_I2C_UNUSED) continue; - oclass = sclass; + if (info.share != DCB_I2C_UNUSED) { + if (info.type == DCB_I2C_NVIO_AUX) + pad = info.drive; + else + pad = info.share; + oclass = impl->pad_s; + } else { + pad = 0x100 + info.drive; + oclass = impl->pad_x; + } + + ret = nouveau_object_ctor(NULL, *pobject, oclass, + NULL, pad, &parent); + if (ret < 0) + continue; + + oclass = impl->sclass; do { ret = -EINVAL; if (oclass->handle == info.type) { - ret = nouveau_object_ctor(*pobject, *pobject, + ret = nouveau_object_ctor(parent, *pobject, oclass, &info, index, &object); } } while (ret && (++oclass)->handle); + + nouveau_object_ref(NULL, &parent); } /* in addition to the busses specified in the i2c table, there @@ -380,5 +547,28 @@ nouveau_i2c_create_(struct nouveau_object *parent, } } + ret = nouveau_event_create(4, index, &i2c->ntfy); + if (ret) + return ret; + + i2c->ntfy->priv = i2c; + i2c->ntfy->enable = nouveau_i2c_intr_enable; + i2c->ntfy->disable = nouveau_i2c_intr_disable; + return 0; +} + +int +_nouveau_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_i2c *i2c; + int ret; + + ret = nouveau_i2c_create(parent, engine, oclass, &i2c); + *pobject = nv_object(i2c); + if (ret) + return ret; + return 0; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/bit.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/bit.c index a6e72d3b06b5..813ffc96e864 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/bit.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/bit.c @@ -22,7 +22,7 @@ * Authors: Ben Skeggs */ -#include "subdev/i2c.h" +#include "priv.h" #ifdef CONFIG_NOUVEAU_I2C_INTERNAL #define T_TIMEOUT 2200000 @@ -187,8 +187,9 @@ i2c_bit_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) struct i2c_msg *msg = msgs; int ret = 0, mcnt = num; - if (port->func->acquire) - port->func->acquire(port); + ret = nouveau_i2c(port)->acquire(port, nsecs_to_jiffies(T_TIMEOUT)); + if (ret) + return ret; while (!ret && mcnt--) { u8 remaining = msg->len; @@ -210,6 +211,7 @@ i2c_bit_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) } i2c_stop(port); + nouveau_i2c(port)->release(port); return (ret < 0) ? ret : num; } #else diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c index 860d5d2365da..b1725bdea967 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv04.c @@ -22,9 +22,10 @@ * Authors: Ben Skeggs */ -#include <subdev/i2c.h> #include <subdev/vga.h> +#include "priv.h" + struct nv04_i2c_priv { struct nouveau_i2c base; }; @@ -115,29 +116,15 @@ nv04_i2c_sclass[] = { {} }; -static int -nv04_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nv04_i2c_priv *priv; - int ret; - - ret = nouveau_i2c_create(parent, engine, oclass, nv04_i2c_sclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - return 0; -} - -struct nouveau_oclass -nv04_i2c_oclass = { - .handle = NV_SUBDEV(I2C, 0x04), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv04_i2c_ctor, +struct nouveau_oclass * +nv04_i2c_oclass = &(struct nouveau_i2c_impl) { + .base.handle = NV_SUBDEV(I2C, 0x04), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nouveau_i2c_ctor, .dtor = _nouveau_i2c_dtor, .init = _nouveau_i2c_init, .fini = _nouveau_i2c_fini, }, -}; + .sclass = nv04_i2c_sclass, + .pad_x = &nv04_i2c_pad_oclass, +}.base; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv4e.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv4e.c index 0c2655a03bb4..f16c87ce5ba1 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv4e.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv4e.c @@ -22,9 +22,10 @@ * Authors: Ben Skeggs */ -#include <subdev/i2c.h> #include <subdev/vga.h> +#include "priv.h" + struct nv4e_i2c_priv { struct nouveau_i2c base; }; @@ -107,29 +108,15 @@ nv4e_i2c_sclass[] = { {} }; -static int -nv4e_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nv4e_i2c_priv *priv; - int ret; - - ret = nouveau_i2c_create(parent, engine, oclass, nv4e_i2c_sclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - return 0; -} - -struct nouveau_oclass -nv4e_i2c_oclass = { - .handle = NV_SUBDEV(I2C, 0x4e), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv4e_i2c_ctor, +struct nouveau_oclass * +nv4e_i2c_oclass = &(struct nouveau_i2c_impl) { + .base.handle = NV_SUBDEV(I2C, 0x4e), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nouveau_i2c_ctor, .dtor = _nouveau_i2c_dtor, .init = _nouveau_i2c_init, .fini = _nouveau_i2c_fini, }, -}; + .sclass = nv4e_i2c_sclass, + .pad_x = &nv04_i2c_pad_oclass, +}.base; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c index a8d67a287704..7b8756d4df08 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.c @@ -121,29 +121,15 @@ nv50_i2c_sclass[] = { {} }; -static int -nv50_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nv50_i2c_priv *priv; - int ret; - - ret = nouveau_i2c_create(parent, engine, oclass, nv50_i2c_sclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - return 0; -} - -struct nouveau_oclass -nv50_i2c_oclass = { - .handle = NV_SUBDEV(I2C, 0x50), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv50_i2c_ctor, +struct nouveau_oclass * +nv50_i2c_oclass = &(struct nouveau_i2c_impl) { + .base.handle = NV_SUBDEV(I2C, 0x50), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nouveau_i2c_ctor, .dtor = _nouveau_i2c_dtor, .init = _nouveau_i2c_init, .fini = _nouveau_i2c_fini, }, -}; + .sclass = nv50_i2c_sclass, + .pad_x = &nv04_i2c_pad_oclass, +}.base; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.h b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.h index 4e5ba48ebf5a..5d2a77421c74 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.h +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv50.h @@ -1,7 +1,7 @@ #ifndef __NV50_I2C_H__ #define __NV50_I2C_H__ -#include <subdev/i2c.h> +#include "priv.h" struct nv50_i2c_priv { struct nouveau_i2c base; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c index df6d3e4b68be..f59c3a255462 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/nv94.c @@ -24,6 +24,36 @@ #include "nv50.h" +void +nv94_aux_stat(struct nouveau_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx) +{ + u32 intr = nv_rd32(i2c, 0x00e06c); + u32 stat = nv_rd32(i2c, 0x00e068) & intr, i; + for (i = 0, *hi = *lo = *rq = *tx = 0; i < 8; i++) { + if ((stat & (1 << (i * 4)))) *hi |= 1 << i; + if ((stat & (2 << (i * 4)))) *lo |= 1 << i; + if ((stat & (4 << (i * 4)))) *rq |= 1 << i; + if ((stat & (8 << (i * 4)))) *tx |= 1 << i; + } + nv_wr32(i2c, 0x00e06c, intr); +} + +void +nv94_aux_mask(struct nouveau_i2c *i2c, u32 type, u32 mask, u32 data) +{ + u32 temp = nv_rd32(i2c, 0x00e068), i; + for (i = 0; i < 8; i++) { + if (mask & (1 << i)) { + if (!(data & (1 << i))) { + temp &= ~(type << (i * 4)); + continue; + } + temp |= type << (i * 4); + } + } + nv_wr32(i2c, 0x00e068, temp); +} + #define AUX_DBG(fmt, args...) nv_debug(aux, "AUXCH(%d): " fmt, ch, ##args) #define AUX_ERR(fmt, args...) nv_error(aux, "AUXCH(%d): " fmt, ch, ##args) @@ -69,7 +99,8 @@ auxch_init(struct nouveau_i2c *aux, int ch) } int -nv94_aux(struct nouveau_i2c_port *base, u8 type, u32 addr, u8 *data, u8 size) +nv94_aux(struct nouveau_i2c_port *base, bool retry, + u8 type, u32 addr, u8 *data, u8 size) { struct nouveau_i2c *aux = nouveau_i2c(base); struct nv50_i2c_port *port = (void *)base; @@ -105,9 +136,8 @@ nv94_aux(struct nouveau_i2c_port *base, u8 type, u32 addr, u8 *data, u8 size) ctrl |= size - 1; nv_wr32(aux, 0x00e4e0 + (ch * 0x50), addr); - /* retry transaction a number of times on failure... */ - ret = -EREMOTEIO; - for (retries = 0; retries < 32; retries++) { + /* (maybe) retry transaction a number of times on failure... */ + for (retries = 0; !ret && retries < 32; retries++) { /* reset, and delay a while if this is a retry */ nv_wr32(aux, 0x00e4e4 + (ch * 0x50), 0x80000000 | ctrl); nv_wr32(aux, 0x00e4e4 + (ch * 0x50), 0x00000000 | ctrl); @@ -123,16 +153,21 @@ nv94_aux(struct nouveau_i2c_port *base, u8 type, u32 addr, u8 *data, u8 size) udelay(1); if (!timeout--) { AUX_ERR("tx req timeout 0x%08x\n", ctrl); + ret = -EIO; goto out; } } while (ctrl & 0x00010000); + ret = 1; /* read status, and check if transaction completed ok */ stat = nv_mask(aux, 0x00e4e8 + (ch * 0x50), 0, 0); - if (!(stat & 0x000f0f00)) { - ret = 0; - break; - } + if ((stat & 0x000f0000) == 0x00080000 || + (stat & 0x000f0000) == 0x00020000) + ret = retry ? 0 : 1; + if ((stat & 0x00000100)) + ret = -ETIMEDOUT; + if ((stat & 0x00000e00)) + ret = -EIO; AUX_DBG("%02d 0x%08x 0x%08x\n", retries, ctrl, stat); } @@ -147,29 +182,11 @@ nv94_aux(struct nouveau_i2c_port *base, u8 type, u32 addr, u8 *data, u8 size) out: auxch_fini(aux, ch); - return ret; -} - -void -nv94_i2c_acquire(struct nouveau_i2c_port *base) -{ - struct nv50_i2c_priv *priv = (void *)nv_object(base)->engine; - struct nv50_i2c_port *port = (void *)base; - if (port->ctrl) { - nv_mask(priv, port->ctrl + 0x0c, 0x00000001, 0x00000000); - nv_mask(priv, port->ctrl + 0x00, 0x0000f003, port->data); - } -} - -void -nv94_i2c_release(struct nouveau_i2c_port *base) -{ + return ret < 0 ? ret : (stat & 0x000f0000) >> 16; } static const struct nouveau_i2c_func nv94_i2c_func = { - .acquire = nv94_i2c_acquire, - .release = nv94_i2c_release, .drive_scl = nv50_i2c_drive_scl, .drive_sda = nv50_i2c_drive_sda, .sense_scl = nv50_i2c_sense_scl, @@ -206,8 +223,6 @@ nv94_i2c_port_ctor(struct nouveau_object *parent, struct nouveau_object *engine, static const struct nouveau_i2c_func nv94_aux_func = { - .acquire = nv94_i2c_acquire, - .release = nv94_i2c_release, .aux = nv94_aux, }; @@ -227,6 +242,7 @@ nv94_aux_port_ctor(struct nouveau_object *parent, struct nouveau_object *engine, if (ret) return ret; + port->base.aux = info->drive; port->addr = info->drive; if (info->share != DCB_I2C_UNUSED) { port->ctrl = 0x00e500 + (info->drive * 0x50); @@ -257,29 +273,19 @@ nv94_i2c_sclass[] = { {} }; -static int -nv94_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nv50_i2c_priv *priv; - int ret; - - ret = nouveau_i2c_create(parent, engine, oclass, nv94_i2c_sclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - return 0; -} - -struct nouveau_oclass -nv94_i2c_oclass = { - .handle = NV_SUBDEV(I2C, 0x94), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nv94_i2c_ctor, +struct nouveau_oclass * +nv94_i2c_oclass = &(struct nouveau_i2c_impl) { + .base.handle = NV_SUBDEV(I2C, 0x94), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nouveau_i2c_ctor, .dtor = _nouveau_i2c_dtor, .init = _nouveau_i2c_init, .fini = _nouveau_i2c_fini, }, -}; + .sclass = nv94_i2c_sclass, + .pad_x = &nv04_i2c_pad_oclass, + .pad_s = &nv94_i2c_pad_oclass, + .aux = 4, + .aux_stat = nv94_aux_stat, + .aux_mask = nv94_aux_mask, +}.base; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nvd0.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nvd0.c index 29967d30f97c..364ddb1c5f03 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/nvd0.c @@ -42,8 +42,6 @@ nvd0_i2c_sense_sda(struct nouveau_i2c_port *base) static const struct nouveau_i2c_func nvd0_i2c_func = { - .acquire = nv94_i2c_acquire, - .release = nv94_i2c_release, .drive_scl = nv50_i2c_drive_scl, .drive_sda = nv50_i2c_drive_sda, .sense_scl = nvd0_i2c_sense_scl, @@ -75,7 +73,7 @@ nvd0_i2c_port_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return 0; } -static struct nouveau_oclass +struct nouveau_oclass nvd0_i2c_sclass[] = { { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT), .ofuncs = &(struct nouveau_ofuncs) { @@ -96,29 +94,19 @@ nvd0_i2c_sclass[] = { {} }; -static int -nvd0_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, - struct nouveau_oclass *oclass, void *data, u32 size, - struct nouveau_object **pobject) -{ - struct nv50_i2c_priv *priv; - int ret; - - ret = nouveau_i2c_create(parent, engine, oclass, nvd0_i2c_sclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - return 0; -} - -struct nouveau_oclass -nvd0_i2c_oclass = { - .handle = NV_SUBDEV(I2C, 0xd0), - .ofuncs = &(struct nouveau_ofuncs) { - .ctor = nvd0_i2c_ctor, +struct nouveau_oclass * +nvd0_i2c_oclass = &(struct nouveau_i2c_impl) { + .base.handle = NV_SUBDEV(I2C, 0xd0), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nouveau_i2c_ctor, .dtor = _nouveau_i2c_dtor, .init = _nouveau_i2c_init, .fini = _nouveau_i2c_fini, }, -}; + .sclass = nvd0_i2c_sclass, + .pad_x = &nv04_i2c_pad_oclass, + .pad_s = &nv94_i2c_pad_oclass, + .aux = 4, + .aux_stat = nv94_aux_stat, + .aux_mask = nv94_aux_mask, +}.base; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/nve0.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/nve0.c new file mode 100644 index 000000000000..cae77e1ad8dc --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/nve0.c @@ -0,0 +1,72 @@ +/* + * Copyright 2012 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. + * + * Authors: Ben Skeggs + */ + +#include "nv50.h" + +static void +nve0_aux_stat(struct nouveau_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx) +{ + u32 intr = nv_rd32(i2c, 0x00dc60); + u32 stat = nv_rd32(i2c, 0x00dc68) & intr, i; + for (i = 0, *hi = *lo = *rq = *tx = 0; i < 8; i++) { + if ((stat & (1 << (i * 4)))) *hi |= 1 << i; + if ((stat & (2 << (i * 4)))) *lo |= 1 << i; + if ((stat & (4 << (i * 4)))) *rq |= 1 << i; + if ((stat & (8 << (i * 4)))) *tx |= 1 << i; + } + nv_wr32(i2c, 0x00dc60, intr); +} + +static void +nve0_aux_mask(struct nouveau_i2c *i2c, u32 type, u32 mask, u32 data) +{ + u32 temp = nv_rd32(i2c, 0x00dc68), i; + for (i = 0; i < 8; i++) { + if (mask & (1 << i)) { + if (!(data & (1 << i))) { + temp &= ~(type << (i * 4)); + continue; + } + temp |= type << (i * 4); + } + } + nv_wr32(i2c, 0x00dc68, temp); +} + +struct nouveau_oclass * +nve0_i2c_oclass = &(struct nouveau_i2c_impl) { + .base.handle = NV_SUBDEV(I2C, 0xe0), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nouveau_i2c_ctor, + .dtor = _nouveau_i2c_dtor, + .init = _nouveau_i2c_init, + .fini = _nouveau_i2c_fini, + }, + .sclass = nvd0_i2c_sclass, + .pad_x = &nv04_i2c_pad_oclass, + .pad_s = &nv94_i2c_pad_oclass, + .aux = 4, + .aux_stat = nve0_aux_stat, + .aux_mask = nve0_aux_mask, +}.base; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c new file mode 100644 index 000000000000..e9e412477c12 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.c @@ -0,0 +1,84 @@ +/* + * Copyright 2014 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. + * + * Authors: Ben Skeggs + */ + +#include "pad.h" + +int +_nvkm_i2c_pad_fini(struct nouveau_object *object, bool suspend) +{ + struct nvkm_i2c_pad *pad = (void *)object; + DBG("-> NULL\n"); + pad->port = NULL; + return nouveau_object_fini(&pad->base, suspend); +} + +int +_nvkm_i2c_pad_init(struct nouveau_object *object) +{ + struct nvkm_i2c_pad *pad = (void *)object; + DBG("-> PORT:%02x\n", pad->next->index); + pad->port = pad->next; + return nouveau_object_init(&pad->base); +} + +int +nvkm_i2c_pad_create_(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, int index, + int size, void **pobject) +{ + struct nouveau_i2c *i2c = (void *)engine; + struct nouveau_i2c_port *port; + struct nvkm_i2c_pad *pad; + int ret; + + list_for_each_entry(port, &i2c->ports, head) { + pad = nvkm_i2c_pad(port); + if (pad->index == index) { + atomic_inc(&nv_object(pad)->refcount); + *pobject = pad; + return 1; + } + } + + ret = nouveau_object_create_(parent, engine, oclass, 0, size, pobject); + pad = *pobject; + if (ret) + return ret; + + pad->index = index; + return 0; +} + +int +_nvkm_i2c_pad_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 index, + struct nouveau_object **pobject) +{ + struct nvkm_i2c_pad *pad; + int ret; + ret = nvkm_i2c_pad_create(parent, engine, oclass, index, &pad); + *pobject = nv_object(pad); + return ret; +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.h b/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.h new file mode 100644 index 000000000000..452ac10c3004 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/pad.h @@ -0,0 +1,58 @@ +#ifndef __NVKM_I2C_PAD_H__ +#define __NVKM_I2C_PAD_H__ + +#include "priv.h" + +struct nvkm_i2c_pad { + struct nouveau_object base; + int index; + struct nouveau_i2c_port *port; + struct nouveau_i2c_port *next; +}; + +static inline struct nvkm_i2c_pad * +nvkm_i2c_pad(struct nouveau_i2c_port *port) +{ + struct nouveau_object *pad = nv_object(port); + while (pad->parent) + pad = pad->parent; + return (void *)pad; +} + +#define nvkm_i2c_pad_create(p,e,o,i,d) \ + nvkm_i2c_pad_create_((p), (e), (o), (i), sizeof(**d), (void **)d) +#define nvkm_i2c_pad_destroy(p) ({ \ + struct nvkm_i2c_pad *_p = (p); \ + _nvkm_i2c_pad_dtor(nv_object(_p)); \ +}) +#define nvkm_i2c_pad_init(p) ({ \ + struct nvkm_i2c_pad *_p = (p); \ + _nvkm_i2c_pad_init(nv_object(_p)); \ +}) +#define nvkm_i2c_pad_fini(p,s) ({ \ + struct nvkm_i2c_pad *_p = (p); \ + _nvkm_i2c_pad_fini(nv_object(_p), (s)); \ +}) + +int nvkm_i2c_pad_create_(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, int index, int, void **); + +int _nvkm_i2c_pad_ctor(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, void *, u32, + struct nouveau_object **); +#define _nvkm_i2c_pad_dtor nouveau_object_destroy +int _nvkm_i2c_pad_init(struct nouveau_object *); +int _nvkm_i2c_pad_fini(struct nouveau_object *, bool); + +#ifndef MSG +#define MSG(l,f,a...) do { \ + struct nvkm_i2c_pad *_pad = (void *)pad; \ + nv_##l(nv_object(_pad)->engine, "PAD:%c:%02x: "f, \ + _pad->index >= 0x100 ? 'X' : 'S', \ + _pad->index >= 0x100 ? _pad->index - 0x100 : _pad->index, ##a); \ +} while(0) +#define DBG(f,a...) MSG(debug, f, ##a) +#define ERR(f,a...) MSG(error, f, ##a) +#endif + +#endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/padnv04.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/padnv04.c new file mode 100644 index 000000000000..2c4b61296dd1 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/padnv04.c @@ -0,0 +1,35 @@ +/* + * Copyright 2014 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. + * + * Authors: Ben Skeggs + */ + +#include "pad.h" + +struct nouveau_oclass +nv04_i2c_pad_oclass = { + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = _nvkm_i2c_pad_ctor, + .dtor = _nvkm_i2c_pad_dtor, + .init = _nvkm_i2c_pad_init, + .fini = _nvkm_i2c_pad_fini, + }, +}; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/padnv94.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/padnv94.c new file mode 100644 index 000000000000..0dc6753014f0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/padnv94.c @@ -0,0 +1,86 @@ +/* + * Copyright 2014 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. + * + * Authors: Ben Skeggs + */ + +#include "pad.h" + +struct nv94_i2c_pad { + struct nvkm_i2c_pad base; + int addr; +}; + +static int +nv94_i2c_pad_fini(struct nouveau_object *object, bool suspend) +{ + struct nouveau_i2c *i2c = (void *)object->engine; + struct nv94_i2c_pad *pad = (void *)object; + nv_mask(i2c, 0x00e50c + pad->addr, 0x00000001, 0x00000001); + return nvkm_i2c_pad_fini(&pad->base, suspend); +} + +static int +nv94_i2c_pad_init(struct nouveau_object *object) +{ + struct nouveau_i2c *i2c = (void *)object->engine; + struct nv94_i2c_pad *pad = (void *)object; + + switch (nv_oclass(pad->base.next)->handle) { + case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX): + nv_mask(i2c, 0x00e500 + pad->addr, 0x0000c003, 0x00000002); + break; + case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT): + default: + nv_mask(i2c, 0x00e500 + pad->addr, 0x0000c003, 0x0000c001); + break; + } + + nv_mask(i2c, 0x00e50c + pad->addr, 0x00000001, 0x00000000); + return nvkm_i2c_pad_init(&pad->base); +} + +static int +nv94_i2c_pad_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 index, + struct nouveau_object **pobject) +{ + struct nv94_i2c_pad *pad; + int ret; + + ret = nvkm_i2c_pad_create(parent, engine, oclass, index, &pad); + *pobject = nv_object(pad); + if (ret) + return ret; + + pad->addr = index * 0x50;; + return 0; +} + +struct nouveau_oclass +nv94_i2c_pad_oclass = { + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv94_i2c_pad_ctor, + .dtor = _nvkm_i2c_pad_dtor, + .init = nv94_i2c_pad_init, + .fini = nv94_i2c_pad_fini, + }, +}; diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/port.h b/drivers/gpu/drm/nouveau/core/subdev/i2c/port.h new file mode 100644 index 000000000000..a8ff6e077af5 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/port.h @@ -0,0 +1,15 @@ +#ifndef __NVKM_I2C_PORT_H__ +#define __NVKM_I2C_PORT_H__ + +#include "priv.h" + +#ifndef MSG +#define MSG(l,f,a...) do { \ + struct nouveau_i2c_port *_port = (void *)port; \ + nv_##l(nv_object(_port)->engine, "PORT:%02x: "f, _port->index, ##a); \ +} while(0) +#define DBG(f,a...) MSG(debug, f, ##a) +#define ERR(f,a...) MSG(error, f, ##a) +#endif + +#endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/priv.h b/drivers/gpu/drm/nouveau/core/subdev/i2c/priv.h new file mode 100644 index 000000000000..780090b6425a --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/priv.h @@ -0,0 +1,85 @@ +#ifndef __NVKM_I2C_H__ +#define __NVKM_I2C_H__ + +#include <subdev/i2c.h> + +extern struct nouveau_oclass nv04_i2c_pad_oclass; +extern struct nouveau_oclass nv94_i2c_pad_oclass; + +#define nouveau_i2c_port_create(p,e,o,i,a,f,d) \ + nouveau_i2c_port_create_((p), (e), (o), (i), (a), (f), \ + sizeof(**d), (void **)d) +#define nouveau_i2c_port_destroy(p) ({ \ + struct nouveau_i2c_port *port = (p); \ + _nouveau_i2c_port_dtor(nv_object(i2c)); \ +}) +#define nouveau_i2c_port_init(p) \ + nouveau_object_init(&(p)->base) +#define nouveau_i2c_port_fini(p,s) \ + nouveau_object_fini(&(p)->base, (s)) + +int nouveau_i2c_port_create_(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, u8, + const struct i2c_algorithm *, + const struct nouveau_i2c_func *, + int, void **); +void _nouveau_i2c_port_dtor(struct nouveau_object *); +#define _nouveau_i2c_port_init nouveau_object_init +int _nouveau_i2c_port_fini(struct nouveau_object *, bool); + +#define nouveau_i2c_create(p,e,o,d) \ + nouveau_i2c_create_((p), (e), (o), sizeof(**d), (void **)d) +#define nouveau_i2c_destroy(p) ({ \ + struct nouveau_i2c *i2c = (p); \ + _nouveau_i2c_dtor(nv_object(i2c)); \ +}) +#define nouveau_i2c_init(p) ({ \ + struct nouveau_i2c *i2c = (p); \ + _nouveau_i2c_init(nv_object(i2c)); \ +}) +#define nouveau_i2c_fini(p,s) ({ \ + struct nouveau_i2c *i2c = (p); \ + _nouveau_i2c_fini(nv_object(i2c), (s)); \ +}) + +int nouveau_i2c_create_(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, int, void **); +int _nouveau_i2c_ctor(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, void *, u32, + struct nouveau_object **); +void _nouveau_i2c_dtor(struct nouveau_object *); +int _nouveau_i2c_init(struct nouveau_object *); +int _nouveau_i2c_fini(struct nouveau_object *, bool); + +extern struct nouveau_oclass nouveau_anx9805_sclass[]; +extern struct nouveau_oclass nvd0_i2c_sclass[]; + +extern const struct i2c_algorithm nouveau_i2c_bit_algo; +extern const struct i2c_algorithm nouveau_i2c_aux_algo; + +struct nouveau_i2c_impl { + struct nouveau_oclass base; + + /* supported i2c port classes */ + struct nouveau_oclass *sclass; + struct nouveau_oclass *pad_x; + struct nouveau_oclass *pad_s; + + /* number of native dp aux channels present */ + int aux; + + /* read and ack pending interrupts, returning only data + * for ports that have not been masked off, while still + * performing the ack for anything that was pending. + */ + void (*aux_stat)(struct nouveau_i2c *, u32 *, u32 *, u32 *, u32 *); + + /* mask on/off interrupt types for a given set of auxch + */ + void (*aux_mask)(struct nouveau_i2c *, u32, u32, u32); +}; + +void nv94_aux_stat(struct nouveau_i2c *, u32 *, u32 *, u32 *, u32 *); +void nv94_aux_mask(struct nouveau_i2c *, u32, u32, u32); + +#endif |