diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/i2c')
34 files changed, 2165 insertions, 1958 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild index d68307409980..1f730613c237 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild @@ -1,16 +1,30 @@ nvkm-y += nvkm/subdev/i2c/base.o -nvkm-y += nvkm/subdev/i2c/anx9805.o -nvkm-y += nvkm/subdev/i2c/aux.o -nvkm-y += nvkm/subdev/i2c/bit.o -nvkm-y += nvkm/subdev/i2c/pad.o -nvkm-y += nvkm/subdev/i2c/padnv04.o -nvkm-y += nvkm/subdev/i2c/padg94.o -nvkm-y += nvkm/subdev/i2c/padgm204.o nvkm-y += nvkm/subdev/i2c/nv04.o nvkm-y += nvkm/subdev/i2c/nv4e.o nvkm-y += nvkm/subdev/i2c/nv50.o nvkm-y += nvkm/subdev/i2c/g94.o -nvkm-y += nvkm/subdev/i2c/gf110.o nvkm-y += nvkm/subdev/i2c/gf117.o +nvkm-y += nvkm/subdev/i2c/gf119.o nvkm-y += nvkm/subdev/i2c/gk104.o nvkm-y += nvkm/subdev/i2c/gm204.o + +nvkm-y += nvkm/subdev/i2c/pad.o +nvkm-y += nvkm/subdev/i2c/padnv04.o +nvkm-y += nvkm/subdev/i2c/padnv4e.o +nvkm-y += nvkm/subdev/i2c/padnv50.o +nvkm-y += nvkm/subdev/i2c/padg94.o +nvkm-y += nvkm/subdev/i2c/padgf119.o +nvkm-y += nvkm/subdev/i2c/padgm204.o + +nvkm-y += nvkm/subdev/i2c/bus.o +nvkm-y += nvkm/subdev/i2c/busnv04.o +nvkm-y += nvkm/subdev/i2c/busnv4e.o +nvkm-y += nvkm/subdev/i2c/busnv50.o +nvkm-y += nvkm/subdev/i2c/busgf119.o +nvkm-y += nvkm/subdev/i2c/bit.o + +nvkm-y += nvkm/subdev/i2c/aux.o +nvkm-y += nvkm/subdev/i2c/auxg94.o +nvkm-y += nvkm/subdev/i2c/auxgm204.o + +nvkm-y += nvkm/subdev/i2c/anx9805.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/anx9805.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/anx9805.c index d17dd1cf3c34..b7b01c3f7037 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/anx9805.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/anx9805.c @@ -21,272 +21,258 @@ * * Authors: Ben Skeggs <[email protected]> */ -#include "port.h" +#define anx9805_pad(p) container_of((p), struct anx9805_pad, base) +#define anx9805_bus(p) container_of((p), struct anx9805_bus, base) +#define anx9805_aux(p) container_of((p), struct anx9805_aux, base) +#include "aux.h" +#include "bus.h" + +struct anx9805_pad { + struct nvkm_i2c_pad base; + struct nvkm_i2c_bus *bus; + u8 addr; +}; -struct anx9805_i2c_port { - struct nvkm_i2c_port base; - u32 addr; - u32 ctrl; +struct anx9805_bus { + struct nvkm_i2c_bus base; + struct anx9805_pad *pad; + u8 addr; }; static int -anx9805_train(struct nvkm_i2c_port *port, int link_nr, int link_bw, bool enh) +anx9805_bus_xfer(struct nvkm_i2c_bus *base, struct i2c_msg *msgs, int num) { - struct anx9805_i2c_port *chan = (void *)port; - struct nvkm_i2c_port *mast = (void *)nv_object(chan)->parent; - u8 tmp, i; - - DBG("ANX9805 train %d 0x%02x %d\n", link_nr, link_bw, enh); + struct anx9805_bus *bus = anx9805_bus(base); + struct anx9805_pad *pad = bus->pad; + struct i2c_adapter *adap = &pad->bus->i2c; + struct i2c_msg *msg = msgs; + int ret = -ETIMEDOUT; + int i, j, cnt = num; + u8 seg = 0x00, off = 0x00, tmp; - 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); - nv_wri2cr(mast, chan->addr, 0xa8, 0x01); + tmp = nvkm_rdi2cr(adap, pad->addr, 0x07) & ~0x10; + nvkm_wri2cr(adap, pad->addr, 0x07, tmp | 0x10); + nvkm_wri2cr(adap, pad->addr, 0x07, tmp); + nvkm_wri2cr(adap, bus->addr, 0x43, 0x05); + mdelay(5); - i = 0; - while ((tmp = nv_rdi2cr(mast, chan->addr, 0xa8)) & 0x01) { - mdelay(5); - if (i++ == 100) { - nv_error(port, "link training timed out\n"); - return -ETIMEDOUT; + while (cnt--) { + if ( (msg->flags & I2C_M_RD) && msg->addr == 0x50) { + nvkm_wri2cr(adap, bus->addr, 0x40, msg->addr << 1); + nvkm_wri2cr(adap, bus->addr, 0x41, seg); + nvkm_wri2cr(adap, bus->addr, 0x42, off); + nvkm_wri2cr(adap, bus->addr, 0x44, msg->len); + nvkm_wri2cr(adap, bus->addr, 0x45, 0x00); + nvkm_wri2cr(adap, bus->addr, 0x43, 0x01); + for (i = 0; i < msg->len; i++) { + j = 0; + while (nvkm_rdi2cr(adap, bus->addr, 0x46) & 0x10) { + mdelay(5); + if (j++ == 32) + goto done; + } + msg->buf[i] = nvkm_rdi2cr(adap, bus->addr, 0x47); + } + } else + if (!(msg->flags & I2C_M_RD)) { + if (msg->addr == 0x50 && msg->len == 0x01) { + off = msg->buf[0]; + } else + if (msg->addr == 0x30 && msg->len == 0x01) { + seg = msg->buf[0]; + } else + goto done; + } else { + goto done; } + msg++; } - if (tmp & 0x70) { - nv_error(port, "link training failed: 0x%02x\n", tmp); - return -EIO; + ret = num; +done: + nvkm_wri2cr(adap, bus->addr, 0x43, 0x00); + return ret; +} + +static const struct nvkm_i2c_bus_func +anx9805_bus_func = { + .xfer = anx9805_bus_xfer, +}; + +static int +anx9805_bus_new(struct nvkm_i2c_pad *base, int id, u8 drive, + struct nvkm_i2c_bus **pbus) +{ + struct anx9805_pad *pad = anx9805_pad(base); + struct anx9805_bus *bus; + int ret; + + if (!(bus = kzalloc(sizeof(*bus), GFP_KERNEL))) + return -ENOMEM; + *pbus = &bus->base; + bus->pad = pad; + + ret = nvkm_i2c_bus_ctor(&anx9805_bus_func, &pad->base, id, &bus->base); + if (ret) + return ret; + + switch (pad->addr) { + case 0x39: bus->addr = 0x3d; break; + case 0x3b: bus->addr = 0x3f; break; + default: + return -ENOSYS; } - return 1; + return 0; } +struct anx9805_aux { + struct nvkm_i2c_aux base; + struct anx9805_pad *pad; + u8 addr; +}; + static int -anx9805_aux(struct nvkm_i2c_port *port, bool retry, - u8 type, u32 addr, u8 *data, u8 size) +anx9805_aux_xfer(struct nvkm_i2c_aux *base, bool retry, + u8 type, u32 addr, u8 *data, u8 size) { - struct anx9805_i2c_port *chan = (void *)port; - struct nvkm_i2c_port *mast = (void *)nv_object(chan)->parent; + struct anx9805_aux *aux = anx9805_aux(base); + struct anx9805_pad *pad = aux->pad; + struct i2c_adapter *adap = &pad->bus->i2c; int i, ret = -ETIMEDOUT; u8 buf[16] = {}; u8 tmp; - DBG("%02x %05x %d\n", type, addr, size); + AUX_DBG(&aux->base, "%02x %05x %d", 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); + tmp = nvkm_rdi2cr(adap, pad->addr, 0x07) & ~0x04; + nvkm_wri2cr(adap, pad->addr, 0x07, tmp | 0x04); + nvkm_wri2cr(adap, pad->addr, 0x07, tmp); + nvkm_wri2cr(adap, pad->addr, 0xf7, 0x01); - nv_wri2cr(mast, chan->addr, 0xe4, 0x80); + nvkm_wri2cr(adap, aux->addr, 0xe4, 0x80); if (!(type & 1)) { memcpy(buf, data, size); - DBG("%16ph", buf); + AUX_DBG(&aux->base, "%16ph", buf); for (i = 0; i < size; i++) - nv_wri2cr(mast, chan->addr, 0xf0 + i, buf[i]); + nvkm_wri2cr(adap, aux->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); - nv_wri2cr(mast, chan->addr, 0xe8, (addr & 0xf0000) >> 16); - nv_wri2cr(mast, chan->addr, 0xe9, 0x01); + nvkm_wri2cr(adap, aux->addr, 0xe5, ((size - 1) << 4) | type); + nvkm_wri2cr(adap, aux->addr, 0xe6, (addr & 0x000ff) >> 0); + nvkm_wri2cr(adap, aux->addr, 0xe7, (addr & 0x0ff00) >> 8); + nvkm_wri2cr(adap, aux->addr, 0xe8, (addr & 0xf0000) >> 16); + nvkm_wri2cr(adap, aux->addr, 0xe9, 0x01); i = 0; - while ((tmp = nv_rdi2cr(mast, chan->addr, 0xe9)) & 0x01) { + while ((tmp = nvkm_rdi2cr(adap, aux->addr, 0xe9)) & 0x01) { mdelay(5); if (i++ == 32) goto done; } - if ((tmp = nv_rdi2cr(mast, chan->ctrl, 0xf7)) & 0x01) { + if ((tmp = nvkm_rdi2cr(adap, pad->addr, 0xf7)) & 0x01) { ret = -EIO; goto done; } if (type & 1) { for (i = 0; i < size; i++) - buf[i] = nv_rdi2cr(mast, chan->addr, 0xf0 + i); - DBG("%16ph", buf); + buf[i] = nvkm_rdi2cr(adap, aux->addr, 0xf0 + i); + AUX_DBG(&aux->base, "%16ph", buf); memcpy(data, buf, size); } ret = 0; done: - nv_wri2cr(mast, chan->ctrl, 0xf7, 0x01); + nvkm_wri2cr(adap, pad->addr, 0xf7, 0x01); return ret; } -static const struct nvkm_i2c_func -anx9805_aux_func = { - .aux = anx9805_aux, - .lnk_ctl = anx9805_train, -}; - static int -anx9805_aux_chan_ctor(struct nvkm_object *parent, - struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) +anx9805_aux_lnk_ctl(struct nvkm_i2c_aux *base, + int link_nr, int link_bw, bool enh) { - struct nvkm_i2c_port *mast = (void *)parent; - struct anx9805_i2c_port *chan; - int ret; - - ret = nvkm_i2c_port_create(parent, engine, oclass, index, - &nvkm_i2c_aux_algo, &anx9805_aux_func, - &chan); - *pobject = nv_object(chan); - if (ret) - return ret; - - switch ((oclass->handle & 0xff00) >> 8) { - case 0x0d: - chan->addr = 0x38; - chan->ctrl = 0x39; - break; - case 0x0e: - chan->addr = 0x3c; - chan->ctrl = 0x3b; - break; - default: - BUG_ON(1); - } - - if (mast->adapter.algo == &i2c_bit_algo) { - struct i2c_algo_bit_data *algo = mast->adapter.algo_data; - algo->udelay = max(algo->udelay, 40); - } - - return 0; -} - -static struct nvkm_ofuncs -anx9805_aux_ofuncs = { - .ctor = anx9805_aux_chan_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = _nvkm_i2c_port_init, - .fini = _nvkm_i2c_port_fini, -}; + struct anx9805_aux *aux = anx9805_aux(base); + struct anx9805_pad *pad = aux->pad; + struct i2c_adapter *adap = &pad->bus->i2c; + u8 tmp, i; -static int -anx9805_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) -{ - struct anx9805_i2c_port *port = adap->algo_data; - struct nvkm_i2c_port *mast = (void *)nv_object(port)->parent; - struct i2c_msg *msg = msgs; - int ret = -ETIMEDOUT; - int i, j, cnt = num; - u8 seg = 0x00, off = 0x00, tmp; + AUX_DBG(&aux->base, "ANX9805 train %d %02x %d", + link_nr, link_bw, enh); - tmp = nv_rdi2cr(mast, port->ctrl, 0x07) & ~0x10; - nv_wri2cr(mast, port->ctrl, 0x07, tmp | 0x10); - nv_wri2cr(mast, port->ctrl, 0x07, tmp); - nv_wri2cr(mast, port->addr, 0x43, 0x05); - mdelay(5); + nvkm_wri2cr(adap, aux->addr, 0xa0, link_bw); + nvkm_wri2cr(adap, aux->addr, 0xa1, link_nr | (enh ? 0x80 : 0x00)); + nvkm_wri2cr(adap, aux->addr, 0xa2, 0x01); + nvkm_wri2cr(adap, aux->addr, 0xa8, 0x01); - while (cnt--) { - if ( (msg->flags & I2C_M_RD) && msg->addr == 0x50) { - nv_wri2cr(mast, port->addr, 0x40, msg->addr << 1); - nv_wri2cr(mast, port->addr, 0x41, seg); - nv_wri2cr(mast, port->addr, 0x42, off); - nv_wri2cr(mast, port->addr, 0x44, msg->len); - nv_wri2cr(mast, port->addr, 0x45, 0x00); - nv_wri2cr(mast, port->addr, 0x43, 0x01); - for (i = 0; i < msg->len; i++) { - j = 0; - while (nv_rdi2cr(mast, port->addr, 0x46) & 0x10) { - mdelay(5); - if (j++ == 32) - goto done; - } - msg->buf[i] = nv_rdi2cr(mast, port->addr, 0x47); - } - } else - if (!(msg->flags & I2C_M_RD)) { - if (msg->addr == 0x50 && msg->len == 0x01) { - off = msg->buf[0]; - } else - if (msg->addr == 0x30 && msg->len == 0x01) { - seg = msg->buf[0]; - } else - goto done; - } else { - goto done; + i = 0; + while ((tmp = nvkm_rdi2cr(adap, aux->addr, 0xa8)) & 0x01) { + mdelay(5); + if (i++ == 100) { + AUX_ERR(&aux->base, "link training timeout"); + return -ETIMEDOUT; } - msg++; } - ret = num; -done: - nv_wri2cr(mast, port->addr, 0x43, 0x00); - return ret; -} + if (tmp & 0x70) { + AUX_ERR(&aux->base, "link training failed"); + return -EIO; + } -static u32 -anx9805_func(struct i2c_adapter *adap) -{ - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; + return 0; } -static const struct i2c_algorithm -anx9805_i2c_algo = { - .master_xfer = anx9805_xfer, - .functionality = anx9805_func -}; - -static const struct nvkm_i2c_func -anx9805_i2c_func = { +static const struct nvkm_i2c_aux_func +anx9805_aux_func = { + .xfer = anx9805_aux_xfer, + .lnk_ctl = anx9805_aux_lnk_ctl, }; static int -anx9805_ddc_port_ctor(struct nvkm_object *parent, - struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) +anx9805_aux_new(struct nvkm_i2c_pad *base, int id, u8 drive, + struct nvkm_i2c_aux **pbus) { - struct nvkm_i2c_port *mast = (void *)parent; - struct anx9805_i2c_port *port; + struct anx9805_pad *pad = anx9805_pad(base); + struct anx9805_aux *aux; int ret; - ret = nvkm_i2c_port_create(parent, engine, oclass, index, - &anx9805_i2c_algo, &anx9805_i2c_func, &port); - *pobject = nv_object(port); + if (!(aux = kzalloc(sizeof(*aux), GFP_KERNEL))) + return -ENOMEM; + *pbus = &aux->base; + aux->pad = pad; + + ret = nvkm_i2c_aux_ctor(&anx9805_aux_func, &pad->base, id, &aux->base); if (ret) return ret; - switch ((oclass->handle & 0xff00) >> 8) { - case 0x0d: - port->addr = 0x3d; - port->ctrl = 0x39; - break; - case 0x0e: - port->addr = 0x3f; - port->ctrl = 0x3b; - break; + switch (pad->addr) { + case 0x39: aux->addr = 0x38; break; + case 0x3b: aux->addr = 0x3c; break; default: - BUG_ON(1); - } - - if (mast->adapter.algo == &i2c_bit_algo) { - struct i2c_algo_bit_data *algo = mast->adapter.algo_data; - algo->udelay = max(algo->udelay, 40); + return -ENOSYS; } return 0; } -static struct nvkm_ofuncs -anx9805_ddc_ofuncs = { - .ctor = anx9805_ddc_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = _nvkm_i2c_port_init, - .fini = _nvkm_i2c_port_fini, +static const struct nvkm_i2c_pad_func +anx9805_pad_func = { + .bus_new_4 = anx9805_bus_new, + .aux_new_6 = anx9805_aux_new, }; -struct nvkm_oclass -nvkm_anx9805_sclass[] = { - { .handle = NV_I2C_TYPE_EXTDDC(0x0d), .ofuncs = &anx9805_ddc_ofuncs }, - { .handle = NV_I2C_TYPE_EXTAUX(0x0d), .ofuncs = &anx9805_aux_ofuncs }, - { .handle = NV_I2C_TYPE_EXTDDC(0x0e), .ofuncs = &anx9805_ddc_ofuncs }, - { .handle = NV_I2C_TYPE_EXTAUX(0x0e), .ofuncs = &anx9805_aux_ofuncs }, - {} -}; +int +anx9805_pad_new(struct nvkm_i2c_bus *bus, int id, u8 addr, + struct nvkm_i2c_pad **ppad) +{ + struct anx9805_pad *pad; + + if (!(pad = kzalloc(sizeof(*pad), GFP_KERNEL))) + return -ENOMEM; + *ppad = &pad->base; + + nvkm_i2c_pad_ctor(&anx9805_pad_func, bus->pad->i2c, id, &pad->base); + pad->bus = bus; + pad->addr = addr; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c index 1c18860f80d1..f0851d57df2f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c @@ -21,50 +21,17 @@ * * Authors: Ben Skeggs */ -#include "priv.h" - -int -nv_rdaux(struct nvkm_i2c_port *port, u32 addr, u8 *data, u8 size) -{ - struct nvkm_i2c *i2c = nvkm_i2c(port); - if (port->func->aux) { - 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; -} - -int -nv_wraux(struct nvkm_i2c_port *port, u32 addr, u8 *data, u8 size) -{ - struct nvkm_i2c *i2c = nvkm_i2c(port); - if (port->func->aux) { - 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; -} +#include "aux.h" +#include "pad.h" static int -aux_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) +nvkm_i2c_aux_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) { - struct nvkm_i2c_port *port = adap->algo_data; - struct nvkm_i2c *i2c = nvkm_i2c(port); + struct nvkm_i2c_aux *aux = container_of(adap, typeof(*aux), i2c); struct i2c_msg *msg = msgs; int ret, mcnt = num; - if (!port->func->aux) - return -ENODEV; - - ret = i2c->acquire(port, 0); + ret = nvkm_i2c_aux_acquire(aux); if (ret) return ret; @@ -84,9 +51,9 @@ aux_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if (mcnt || remaining > 16) cmd |= 4; /* MOT */ - ret = port->func->aux(port, true, cmd, msg->addr, ptr, cnt); + ret = aux->func->xfer(aux, true, cmd, msg->addr, ptr, cnt); if (ret < 0) { - i2c->release(port); + nvkm_i2c_aux_release(aux); return ret; } @@ -97,17 +64,111 @@ aux_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) msg++; } - i2c->release(port); + nvkm_i2c_aux_release(aux); return num; } static u32 -aux_func(struct i2c_adapter *adap) +nvkm_i2c_aux_i2c_func(struct i2c_adapter *adap) { return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; } -const struct i2c_algorithm nvkm_i2c_aux_algo = { - .master_xfer = aux_xfer, - .functionality = aux_func +const struct i2c_algorithm +nvkm_i2c_aux_i2c_algo = { + .master_xfer = nvkm_i2c_aux_i2c_xfer, + .functionality = nvkm_i2c_aux_i2c_func }; + +void +nvkm_i2c_aux_monitor(struct nvkm_i2c_aux *aux, bool monitor) +{ + struct nvkm_i2c_pad *pad = aux->pad; + AUX_TRACE(aux, "monitor: %s", monitor ? "yes" : "no"); + if (monitor) + nvkm_i2c_pad_mode(pad, NVKM_I2C_PAD_AUX); + else + nvkm_i2c_pad_mode(pad, NVKM_I2C_PAD_OFF); +} + +void +nvkm_i2c_aux_release(struct nvkm_i2c_aux *aux) +{ + struct nvkm_i2c_pad *pad = aux->pad; + AUX_TRACE(aux, "release"); + nvkm_i2c_pad_release(pad); + mutex_unlock(&aux->mutex); +} + +int +nvkm_i2c_aux_acquire(struct nvkm_i2c_aux *aux) +{ + struct nvkm_i2c_pad *pad = aux->pad; + int ret; + AUX_TRACE(aux, "acquire"); + mutex_lock(&aux->mutex); + ret = nvkm_i2c_pad_acquire(pad, NVKM_I2C_PAD_AUX); + if (ret) + mutex_unlock(&aux->mutex); + return ret; +} + +int +nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *aux, bool retry, u8 type, + u32 addr, u8 *data, u8 size) +{ + return aux->func->xfer(aux, retry, type, addr, data, size); +} + +int +nvkm_i2c_aux_lnk_ctl(struct nvkm_i2c_aux *aux, int nr, int bw, bool ef) +{ + if (aux->func->lnk_ctl) + return aux->func->lnk_ctl(aux, nr, bw, ef); + return -ENODEV; +} + +void +nvkm_i2c_aux_del(struct nvkm_i2c_aux **paux) +{ + struct nvkm_i2c_aux *aux = *paux; + if (aux && !WARN_ON(!aux->func)) { + AUX_TRACE(aux, "dtor"); + list_del(&aux->head); + i2c_del_adapter(&aux->i2c); + kfree(*paux); + *paux = NULL; + } +} + +int +nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *func, + struct nvkm_i2c_pad *pad, int id, + struct nvkm_i2c_aux *aux) +{ + struct nvkm_device *device = pad->i2c->subdev.device; + + aux->func = func; + aux->pad = pad; + aux->id = id; + mutex_init(&aux->mutex); + list_add_tail(&aux->head, &pad->i2c->aux); + AUX_TRACE(aux, "ctor"); + + snprintf(aux->i2c.name, sizeof(aux->i2c.name), "nvkm-%s-aux-%04x", + dev_name(device->dev), id); + aux->i2c.owner = THIS_MODULE; + aux->i2c.dev.parent = device->dev; + aux->i2c.algo = &nvkm_i2c_aux_i2c_algo; + return i2c_add_adapter(&aux->i2c); +} + +int +nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *func, + struct nvkm_i2c_pad *pad, int id, + struct nvkm_i2c_aux **paux) +{ + if (!(*paux = kzalloc(sizeof(**paux), GFP_KERNEL))) + return -ENOMEM; + return nvkm_i2c_aux_ctor(func, pad, id, *paux); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h new file mode 100644 index 000000000000..35a892e4a4c3 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h @@ -0,0 +1,30 @@ +#ifndef __NVKM_I2C_AUX_H__ +#define __NVKM_I2C_AUX_H__ +#include "pad.h" + +struct nvkm_i2c_aux_func { + int (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type, + u32 addr, u8 *data, u8 size); + int (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw, + bool enhanced_framing); +}; + +int nvkm_i2c_aux_ctor(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *, + int id, struct nvkm_i2c_aux *); +int nvkm_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *, + int id, struct nvkm_i2c_aux **); +void nvkm_i2c_aux_del(struct nvkm_i2c_aux **); +int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type, + u32 addr, u8 *data, u8 size); + +int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **); +int gm204_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **); + +#define AUX_MSG(b,l,f,a...) do { \ + struct nvkm_i2c_aux *_aux = (b); \ + nvkm_##l(&_aux->pad->i2c->subdev, "aux %04x: "f"\n", _aux->id, ##a); \ +} while(0) +#define AUX_ERR(b,f,a...) AUX_MSG((b), error, f, ##a) +#define AUX_DBG(b,f,a...) AUX_MSG((b), debug, f, ##a) +#define AUX_TRACE(b,f,a...) AUX_MSG((b), trace, f, ##a) +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c new file mode 100644 index 000000000000..954f5b76bfcf --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c @@ -0,0 +1,181 @@ +/* + * Copyright 2015 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 busions 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 <[email protected]> + */ +#define g94_i2c_aux(p) container_of((p), struct g94_i2c_aux, base) +#include "aux.h" + +struct g94_i2c_aux { + struct nvkm_i2c_aux base; + int ch; +}; + +static void +g94_i2c_aux_fini(struct g94_i2c_aux *aux) +{ + struct nvkm_device *device = aux->base.pad->i2c->subdev.device; + nvkm_mask(device, 0x00e4e4 + (aux->ch * 0x50), 0x00310000, 0x00000000); +} + +static int +g94_i2c_aux_init(struct g94_i2c_aux *aux) +{ + struct nvkm_device *device = aux->base.pad->i2c->subdev.device; + const u32 unksel = 1; /* nfi which to use, or if it matters.. */ + const u32 ureq = unksel ? 0x00100000 : 0x00200000; + const u32 urep = unksel ? 0x01000000 : 0x02000000; + u32 ctrl, timeout; + + /* wait up to 1ms for any previous transaction to be done... */ + timeout = 1000; + do { + ctrl = nvkm_rd32(device, 0x00e4e4 + (aux->ch * 0x50)); + udelay(1); + if (!timeout--) { + AUX_ERR(&aux->base, "begin idle timeout %08x", ctrl); + return -EBUSY; + } + } while (ctrl & 0x03010000); + + /* set some magic, and wait up to 1ms for it to appear */ + nvkm_mask(device, 0x00e4e4 + (aux->ch * 0x50), 0x00300000, ureq); + timeout = 1000; + do { + ctrl = nvkm_rd32(device, 0x00e4e4 + (aux->ch * 0x50)); + udelay(1); + if (!timeout--) { + AUX_ERR(&aux->base, "magic wait %08x", ctrl); + g94_i2c_aux_fini(aux); + return -EBUSY; + } + } while ((ctrl & 0x03000000) != urep); + + return 0; +} + +static int +g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, + u8 type, u32 addr, u8 *data, u8 size) +{ + struct g94_i2c_aux *aux = g94_i2c_aux(obj); + struct nvkm_device *device = aux->base.pad->i2c->subdev.device; + const u32 base = aux->ch * 0x50; + u32 ctrl, stat, timeout, retries; + u32 xbuf[4] = {}; + int ret, i; + + AUX_TRACE(&aux->base, "%d: %08x %d", type, addr, size); + + ret = g94_i2c_aux_init(aux); + if (ret < 0) + goto out; + + stat = nvkm_rd32(device, 0x00e4e8 + base); + if (!(stat & 0x10000000)) { + AUX_TRACE(&aux->base, "sink not detected"); + ret = -ENXIO; + goto out; + } + + if (!(type & 1)) { + memcpy(xbuf, data, size); + for (i = 0; i < 16; i += 4) { + AUX_TRACE(&aux->base, "wr %08x", xbuf[i / 4]); + nvkm_wr32(device, 0x00e4c0 + base + i, xbuf[i / 4]); + } + } + + ctrl = nvkm_rd32(device, 0x00e4e4 + base); + ctrl &= ~0x0001f0ff; + ctrl |= type << 12; + ctrl |= size - 1; + nvkm_wr32(device, 0x00e4e0 + base, addr); + + /* (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 */ + nvkm_wr32(device, 0x00e4e4 + base, 0x80000000 | ctrl); + nvkm_wr32(device, 0x00e4e4 + base, 0x00000000 | ctrl); + if (retries) + udelay(400); + + /* transaction request, wait up to 1ms for it to complete */ + nvkm_wr32(device, 0x00e4e4 + base, 0x00010000 | ctrl); + + timeout = 1000; + do { + ctrl = nvkm_rd32(device, 0x00e4e4 + base); + udelay(1); + if (!timeout--) { + AUX_ERR(&aux->base, "timeout %08x", ctrl); + ret = -EIO; + goto out; + } + } while (ctrl & 0x00010000); + ret = 1; + + /* read status, and check if transaction completed ok */ + stat = nvkm_mask(device, 0x00e4e8 + base, 0, 0); + if ((stat & 0x000f0000) == 0x00080000 || + (stat & 0x000f0000) == 0x00020000) + ret = retry ? 0 : 1; + if ((stat & 0x00000100)) + ret = -ETIMEDOUT; + if ((stat & 0x00000e00)) + ret = -EIO; + + AUX_TRACE(&aux->base, "%02d %08x %08x", retries, ctrl, stat); + } + + if (type & 1) { + for (i = 0; i < 16; i += 4) { + xbuf[i / 4] = nvkm_rd32(device, 0x00e4d0 + base + i); + AUX_TRACE(&aux->base, "rd %08x", xbuf[i / 4]); + } + memcpy(data, xbuf, size); + } + +out: + g94_i2c_aux_fini(aux); + return ret < 0 ? ret : (stat & 0x000f0000) >> 16; +} + +static const struct nvkm_i2c_aux_func +g94_i2c_aux_func = { + .xfer = g94_i2c_aux_xfer, +}; + +int +g94_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive, + struct nvkm_i2c_aux **paux) +{ + struct g94_i2c_aux *aux; + + if (!(aux = kzalloc(sizeof(*aux), GFP_KERNEL))) + return -ENOMEM; + *paux = &aux->base; + + nvkm_i2c_aux_ctor(&g94_i2c_aux_func, pad, index, &aux->base); + aux->ch = drive; + aux->base.intr = 1 << aux->ch; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c new file mode 100644 index 000000000000..bed231b56dbd --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm204.c @@ -0,0 +1,181 @@ +/* + * Copyright 2015 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 busions 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 <[email protected]> + */ +#define gm204_i2c_aux(p) container_of((p), struct gm204_i2c_aux, base) +#include "aux.h" + +struct gm204_i2c_aux { + struct nvkm_i2c_aux base; + int ch; +}; + +static void +gm204_i2c_aux_fini(struct gm204_i2c_aux *aux) +{ + struct nvkm_device *device = aux->base.pad->i2c->subdev.device; + nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00310000, 0x00000000); +} + +static int +gm204_i2c_aux_init(struct gm204_i2c_aux *aux) +{ + struct nvkm_device *device = aux->base.pad->i2c->subdev.device; + const u32 unksel = 1; /* nfi which to use, or if it matters.. */ + const u32 ureq = unksel ? 0x00100000 : 0x00200000; + const u32 urep = unksel ? 0x01000000 : 0x02000000; + u32 ctrl, timeout; + + /* wait up to 1ms for any previous transaction to be done... */ + timeout = 1000; + do { + ctrl = nvkm_rd32(device, 0x00d954 + (aux->ch * 0x50)); + udelay(1); + if (!timeout--) { + AUX_ERR(&aux->base, "begin idle timeout %08x", ctrl); + return -EBUSY; + } + } while (ctrl & 0x03010000); + + /* set some magic, and wait up to 1ms for it to appear */ + nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00300000, ureq); + timeout = 1000; + do { + ctrl = nvkm_rd32(device, 0x00d954 + (aux->ch * 0x50)); + udelay(1); + if (!timeout--) { + AUX_ERR(&aux->base, "magic wait %08x", ctrl); + gm204_i2c_aux_fini(aux); + return -EBUSY; + } + } while ((ctrl & 0x03000000) != urep); + + return 0; +} + +static int +gm204_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, + u8 type, u32 addr, u8 *data, u8 size) +{ + struct gm204_i2c_aux *aux = gm204_i2c_aux(obj); + struct nvkm_device *device = aux->base.pad->i2c->subdev.device; + const u32 base = aux->ch * 0x50; + u32 ctrl, stat, timeout, retries; + u32 xbuf[4] = {}; + int ret, i; + + AUX_TRACE(&aux->base, "%d: %08x %d", type, addr, size); + + ret = gm204_i2c_aux_init(aux); + if (ret < 0) + goto out; + + stat = nvkm_rd32(device, 0x00d958 + base); + if (!(stat & 0x10000000)) { + AUX_TRACE(&aux->base, "sink not detected"); + ret = -ENXIO; + goto out; + } + + if (!(type & 1)) { + memcpy(xbuf, data, size); + for (i = 0; i < 16; i += 4) { + AUX_TRACE(&aux->base, "wr %08x", xbuf[i / 4]); + nvkm_wr32(device, 0x00d930 + base + i, xbuf[i / 4]); + } + } + + ctrl = nvkm_rd32(device, 0x00d954 + base); + ctrl &= ~0x0001f0ff; + ctrl |= type << 12; + ctrl |= size - 1; + nvkm_wr32(device, 0x00d950 + base, addr); + + /* (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 */ + nvkm_wr32(device, 0x00d954 + base, 0x80000000 | ctrl); + nvkm_wr32(device, 0x00d954 + base, 0x00000000 | ctrl); + if (retries) + udelay(400); + + /* transaction request, wait up to 1ms for it to complete */ + nvkm_wr32(device, 0x00d954 + base, 0x00010000 | ctrl); + + timeout = 1000; + do { + ctrl = nvkm_rd32(device, 0x00d954 + base); + udelay(1); + if (!timeout--) { + AUX_ERR(&aux->base, "timeout %08x", ctrl); + ret = -EIO; + goto out; + } + } while (ctrl & 0x00010000); + ret = 1; + + /* read status, and check if transaction completed ok */ + stat = nvkm_mask(device, 0x00d958 + base, 0, 0); + if ((stat & 0x000f0000) == 0x00080000 || + (stat & 0x000f0000) == 0x00020000) + ret = retry ? 0 : 1; + if ((stat & 0x00000100)) + ret = -ETIMEDOUT; + if ((stat & 0x00000e00)) + ret = -EIO; + + AUX_TRACE(&aux->base, "%02d %08x %08x", retries, ctrl, stat); + } + + if (type & 1) { + for (i = 0; i < 16; i += 4) { + xbuf[i / 4] = nvkm_rd32(device, 0x00d940 + base + i); + AUX_TRACE(&aux->base, "rd %08x", xbuf[i / 4]); + } + memcpy(data, xbuf, size); + } + +out: + gm204_i2c_aux_fini(aux); + return ret < 0 ? ret : (stat & 0x000f0000) >> 16; +} + +static const struct nvkm_i2c_aux_func +gm204_i2c_aux_func = { + .xfer = gm204_i2c_aux_xfer, +}; + +int +gm204_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive, + struct nvkm_i2c_aux **paux) +{ + struct gm204_i2c_aux *aux; + + if (!(aux = kzalloc(sizeof(*aux), GFP_KERNEL))) + return -ENOMEM; + *paux = &aux->base; + + nvkm_i2c_aux_ctor(&gm204_i2c_aux_func, pad, index, &aux->base); + aux->ch = drive; + aux->base.intr = 1 << aux->ch; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c index 9200f122c02c..243a71ff0a0d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/base.c @@ -22,328 +22,91 @@ * Authors: Ben Skeggs */ #include "priv.h" +#include "aux.h" +#include "bus.h" #include "pad.h" -#include <core/device.h> #include <core/notify.h> #include <core/option.h> #include <subdev/bios.h> #include <subdev/bios/dcb.h> +#include <subdev/bios/i2c.h> -/****************************************************************************** - * interface to linux i2c bit-banging algorithm - *****************************************************************************/ - -#ifdef CONFIG_NOUVEAU_I2C_INTERNAL_DEFAULT -#define CSTMSEL true -#else -#define CSTMSEL false -#endif - -static int -nvkm_i2c_pre_xfer(struct i2c_adapter *adap) +static struct nvkm_i2c_pad * +nvkm_i2c_pad_find(struct nvkm_i2c *i2c, int id) { - struct i2c_algo_bit_data *bit = adap->algo_data; - struct nvkm_i2c_port *port = bit->data; - return nvkm_i2c(port)->acquire(port, bit->timeout); -} + struct nvkm_i2c_pad *pad; -static void -nvkm_i2c_post_xfer(struct i2c_adapter *adap) -{ - struct i2c_algo_bit_data *bit = adap->algo_data; - struct nvkm_i2c_port *port = bit->data; - return nvkm_i2c(port)->release(port); -} - -static void -nvkm_i2c_setscl(void *data, int state) -{ - struct nvkm_i2c_port *port = data; - port->func->drive_scl(port, state); -} - -static void -nvkm_i2c_setsda(void *data, int state) -{ - struct nvkm_i2c_port *port = data; - port->func->drive_sda(port, state); -} - -static int -nvkm_i2c_getscl(void *data) -{ - struct nvkm_i2c_port *port = data; - return port->func->sense_scl(port); -} - -static int -nvkm_i2c_getsda(void *data) -{ - struct nvkm_i2c_port *port = data; - return port->func->sense_sda(port); -} - -/****************************************************************************** - * base i2c "port" class implementation - *****************************************************************************/ - -int -_nvkm_i2c_port_fini(struct nvkm_object *object, bool suspend) -{ - struct nvkm_i2c_port *port = (void *)object; - struct nvkm_i2c_pad *pad = nvkm_i2c_pad(port); - nv_ofuncs(pad)->fini(nv_object(pad), suspend); - return nvkm_object_fini(&port->base, suspend); -} - -void -_nvkm_i2c_port_dtor(struct nvkm_object *object) -{ - struct nvkm_i2c_port *port = (void *)object; - i2c_del_adapter(&port->adapter); - nvkm_object_destroy(&port->base); -} - -int -nvkm_i2c_port_create_(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, u8 index, - const struct i2c_algorithm *algo, - const struct nvkm_i2c_func *func, - int size, void **pobject) -{ - struct nvkm_device *device = nv_device(parent); - struct nvkm_i2c *i2c = nvkm_i2c(parent); - struct nvkm_i2c_port *port; - int ret; - - ret = nvkm_object_create_(parent, engine, oclass, 0, size, pobject); - port = *pobject; - if (ret) - return ret; - - snprintf(port->adapter.name, sizeof(port->adapter.name), - "nvkm-%s-%d", device->name, index); - port->adapter.owner = THIS_MODULE; - port->adapter.dev.parent = nv_device_base(device); - port->index = index; - port->aux = -1; - port->func = func; - mutex_init(&port->mutex); - - if ( algo == &nvkm_i2c_bit_algo && - !nvkm_boolopt(device->cfgopt, "NvI2C", CSTMSEL)) { - struct i2c_algo_bit_data *bit; - - bit = kzalloc(sizeof(*bit), GFP_KERNEL); - if (!bit) - return -ENOMEM; - - bit->udelay = 10; - bit->timeout = usecs_to_jiffies(2200); - bit->data = port; - bit->pre_xfer = nvkm_i2c_pre_xfer; - bit->post_xfer = nvkm_i2c_post_xfer; - bit->setsda = nvkm_i2c_setsda; - bit->setscl = nvkm_i2c_setscl; - bit->getsda = nvkm_i2c_getsda; - bit->getscl = nvkm_i2c_getscl; - - port->adapter.algo_data = bit; - ret = i2c_bit_add_bus(&port->adapter); - } else { - port->adapter.algo_data = port; - port->adapter.algo = algo; - ret = i2c_add_adapter(&port->adapter); + list_for_each_entry(pad, &i2c->pad, head) { + if (pad->id == id) + return pad; } - if (ret == 0) - list_add_tail(&port->head, &i2c->ports); - return ret; + return NULL; } -/****************************************************************************** - * base i2c subdev class implementation - *****************************************************************************/ - -static struct nvkm_i2c_port * -nvkm_i2c_find(struct nvkm_i2c *i2c, u8 index) +struct nvkm_i2c_bus * +nvkm_i2c_bus_find(struct nvkm_i2c *i2c, int id) { - struct nvkm_bios *bios = nvkm_bios(i2c); - struct nvkm_i2c_port *port; + struct nvkm_bios *bios = i2c->subdev.device->bios; + struct nvkm_i2c_bus *bus; - if (index == NV_I2C_DEFAULT(0) || - index == NV_I2C_DEFAULT(1)) { + if (id == NVKM_I2C_BUS_PRI || id == NVKM_I2C_BUS_SEC) { u8 ver, hdr, cnt, len; u16 i2c = dcb_i2c_table(bios, &ver, &hdr, &cnt, &len); if (i2c && ver >= 0x30) { - u8 auxidx = nv_ro08(bios, i2c + 4); - if (index == NV_I2C_DEFAULT(0)) - index = (auxidx & 0x0f) >> 0; + u8 auxidx = nvbios_rd08(bios, i2c + 4); + if (id == NVKM_I2C_BUS_PRI) + id = NVKM_I2C_BUS_CCB((auxidx & 0x0f) >> 0); else - index = (auxidx & 0xf0) >> 4; + id = NVKM_I2C_BUS_CCB((auxidx & 0xf0) >> 4); } else { - index = 2; + id = NVKM_I2C_BUS_CCB(2); } } - list_for_each_entry(port, &i2c->ports, head) { - if (port->index == index) - return port; + list_for_each_entry(bus, &i2c->bus, head) { + if (bus->id == id) + return bus; } return NULL; } -static struct nvkm_i2c_port * -nvkm_i2c_find_type(struct nvkm_i2c *i2c, u16 type) +struct nvkm_i2c_aux * +nvkm_i2c_aux_find(struct nvkm_i2c *i2c, int id) { - struct nvkm_i2c_port *port; + struct nvkm_i2c_aux *aux; - list_for_each_entry(port, &i2c->ports, head) { - if (nv_hclass(port) == type) - return port; + list_for_each_entry(aux, &i2c->aux, head) { + if (aux->id == id) + return aux; } return NULL; } static void -nvkm_i2c_release_pad(struct nvkm_i2c_port *port) -{ - struct nvkm_i2c_pad *pad = nvkm_i2c_pad(port); - struct nvkm_i2c *i2c = nvkm_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 -nvkm_i2c_try_acquire_pad(struct nvkm_i2c_port *port) -{ - struct nvkm_i2c_pad *pad = nvkm_i2c_pad(port); - - if (atomic_add_return(1, &nv_object(pad)->usecount) != 1) { - struct nvkm_object *owner = (void *)pad->port; - do { - if (owner == (void *)port) - return 0; - owner = owner->parent; - } while(owner); - nvkm_i2c_release_pad(port); - return -EBUSY; - } - - pad->next = port; - nv_ofuncs(pad)->init(nv_object(pad)); - return 0; -} - -static int -nvkm_i2c_acquire_pad(struct nvkm_i2c_port *port, unsigned long timeout) -{ - struct nvkm_i2c *i2c = nvkm_i2c(port); - - if (timeout) { - if (wait_event_timeout(i2c->wait, - nvkm_i2c_try_acquire_pad(port) == 0, - timeout) == 0) - return -EBUSY; - } else { - wait_event(i2c->wait, nvkm_i2c_try_acquire_pad(port) == 0); - } - - return 0; -} - -static void -nvkm_i2c_release(struct nvkm_i2c_port *port) -__releases(pad->mutex) -{ - nvkm_i2c(port)->release_pad(port); - mutex_unlock(&port->mutex); -} - -static int -nvkm_i2c_acquire(struct nvkm_i2c_port *port, unsigned long timeout) -__acquires(pad->mutex) -{ - int ret; - mutex_lock(&port->mutex); - if ((ret = nvkm_i2c(port)->acquire_pad(port, timeout))) - mutex_unlock(&port->mutex); - return ret; -} - -static int -nvkm_i2c_identify(struct nvkm_i2c *i2c, int index, const char *what, - struct nvkm_i2c_board_info *info, - bool (*match)(struct nvkm_i2c_port *, - struct i2c_board_info *, void *), void *data) -{ - struct nvkm_i2c_port *port = nvkm_i2c_find(i2c, index); - int i; - - if (!port) { - nv_debug(i2c, "no bus when probing %s on %d\n", what, index); - return -ENODEV; - } - - nv_debug(i2c, "probing %ss on bus: %d\n", what, port->index); - for (i = 0; info[i].dev.addr; i++) { - u8 orig_udelay = 0; - - if ((port->adapter.algo == &i2c_bit_algo) && - (info[i].udelay != 0)) { - struct i2c_algo_bit_data *algo = port->adapter.algo_data; - nv_debug(i2c, "using custom udelay %d instead of %d\n", - info[i].udelay, algo->udelay); - orig_udelay = algo->udelay; - algo->udelay = info[i].udelay; - } - - if (nv_probe_i2c(port, info[i].dev.addr) && - (!match || match(port, &info[i].dev, data))) { - nv_info(i2c, "detected %s: %s\n", what, - info[i].dev.type); - return i; - } - - if (orig_udelay) { - struct i2c_algo_bit_data *algo = port->adapter.algo_data; - algo->udelay = orig_udelay; - } - } - - nv_debug(i2c, "no devices found.\n"); - return -ENODEV; -} - -static void -nvkm_i2c_intr_fini(struct nvkm_event *event, int type, int index) +nvkm_i2c_intr_fini(struct nvkm_event *event, int type, int id) { struct nvkm_i2c *i2c = container_of(event, typeof(*i2c), event); - struct nvkm_i2c_port *port = i2c->find(i2c, index); - const struct nvkm_i2c_impl *impl = (void *)nv_object(i2c)->oclass; - if (port && port->aux >= 0) - impl->aux_mask(i2c, type, 1 << port->aux, 0); + struct nvkm_i2c_aux *aux = nvkm_i2c_aux_find(i2c, id); + if (aux) + i2c->func->aux_mask(i2c, type, aux->intr, 0); } static void -nvkm_i2c_intr_init(struct nvkm_event *event, int type, int index) +nvkm_i2c_intr_init(struct nvkm_event *event, int type, int id) { struct nvkm_i2c *i2c = container_of(event, typeof(*i2c), event); - struct nvkm_i2c_port *port = i2c->find(i2c, index); - const struct nvkm_i2c_impl *impl = (void *)nv_object(i2c)->oclass; - if (port && port->aux >= 0) - impl->aux_mask(i2c, type, 1 << port->aux, 1 << port->aux); + struct nvkm_i2c_aux *aux = nvkm_i2c_aux_find(i2c, id); + if (aux) + i2c->func->aux_mask(i2c, type, aux->intr, aux->intr); } static int nvkm_i2c_intr_ctor(struct nvkm_object *object, void *data, u32 size, - struct nvkm_notify *notify) + struct nvkm_notify *notify) { struct nvkm_i2c_ntfy_req *req = data; if (!WARN_ON(size != sizeof(*req))) { @@ -355,38 +118,6 @@ nvkm_i2c_intr_ctor(struct nvkm_object *object, void *data, u32 size, return -EINVAL; } -static void -nvkm_i2c_intr(struct nvkm_subdev *subdev) -{ - struct nvkm_i2c_impl *impl = (void *)nv_oclass(subdev); - struct nvkm_i2c *i2c = nvkm_i2c(subdev); - struct nvkm_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; - if (e) { - struct nvkm_i2c_ntfy_rep rep = { - .mask = e, - }; - nvkm_event_send(&i2c->event, rep.mask, - port->index, &rep, - sizeof(rep)); - } - } - } - } -} - static const struct nvkm_event_func nvkm_i2c_intr_func = { .ctor = nvkm_i2c_intr_ctor, @@ -394,229 +125,272 @@ nvkm_i2c_intr_func = { .fini = nvkm_i2c_intr_fini, }; -int -_nvkm_i2c_fini(struct nvkm_object *object, bool suspend) +static void +nvkm_i2c_intr(struct nvkm_subdev *subdev) { - struct nvkm_i2c_impl *impl = (void *)nv_oclass(object); - struct nvkm_i2c *i2c = (void *)object; - struct nvkm_i2c_port *port; - u32 mask; - int ret; + struct nvkm_i2c *i2c = nvkm_i2c(subdev); + struct nvkm_i2c_aux *aux; + u32 hi, lo, rq, tx; + + if (!i2c->func->aux_stat) + return; + + i2c->func->aux_stat(i2c, &hi, &lo, &rq, &tx); + if (!hi && !lo && !rq && !tx) + return; - list_for_each_entry(port, &i2c->ports, head) { - ret = nv_ofuncs(port)->fini(nv_object(port), suspend); - if (ret && suspend) - goto fail; + list_for_each_entry(aux, &i2c->aux, head) { + u32 mask = 0; + if (hi & aux->intr) mask |= NVKM_I2C_PLUG; + if (lo & aux->intr) mask |= NVKM_I2C_UNPLUG; + if (rq & aux->intr) mask |= NVKM_I2C_IRQ; + if (tx & aux->intr) mask |= NVKM_I2C_DONE; + if (mask) { + struct nvkm_i2c_ntfy_rep rep = { + .mask = mask, + }; + nvkm_event_send(&i2c->event, rep.mask, aux->id, + &rep, sizeof(rep)); + } } +} + +static int +nvkm_i2c_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_i2c *i2c = nvkm_i2c(subdev); + struct nvkm_i2c_pad *pad; + u32 mask; - 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); + if ((mask = (1 << i2c->func->aux) - 1), i2c->func->aux_stat) { + i2c->func->aux_mask(i2c, NVKM_I2C_ANY, mask, 0); + i2c->func->aux_stat(i2c, &mask, &mask, &mask, &mask); } - return nvkm_subdev_fini(&i2c->base, suspend); -fail: - list_for_each_entry_continue_reverse(port, &i2c->ports, head) { - nv_ofuncs(port)->init(nv_object(port)); + list_for_each_entry(pad, &i2c->pad, head) { + nvkm_i2c_pad_fini(pad); } - return ret; + return 0; } -int -_nvkm_i2c_init(struct nvkm_object *object) +static int +nvkm_i2c_init(struct nvkm_subdev *subdev) { - struct nvkm_i2c *i2c = (void *)object; - struct nvkm_i2c_port *port; - int ret; - - ret = nvkm_subdev_init(&i2c->base); - if (ret == 0) { - list_for_each_entry(port, &i2c->ports, head) { - ret = nv_ofuncs(port)->init(nv_object(port)); - if (ret) - goto fail; - } + struct nvkm_i2c *i2c = nvkm_i2c(subdev); + struct nvkm_i2c_bus *bus; + struct nvkm_i2c_pad *pad; + + list_for_each_entry(pad, &i2c->pad, head) { + nvkm_i2c_pad_init(pad); } - return ret; -fail: - list_for_each_entry_continue_reverse(port, &i2c->ports, head) { - nv_ofuncs(port)->fini(nv_object(port), false); + list_for_each_entry(bus, &i2c->bus, head) { + nvkm_i2c_bus_init(bus); } - return ret; + return 0; } -void -_nvkm_i2c_dtor(struct nvkm_object *object) +static void * +nvkm_i2c_dtor(struct nvkm_subdev *subdev) { - struct nvkm_i2c *i2c = (void *)object; - struct nvkm_i2c_port *port, *temp; + struct nvkm_i2c *i2c = nvkm_i2c(subdev); nvkm_event_fini(&i2c->event); - list_for_each_entry_safe(port, temp, &i2c->ports, head) { - nvkm_object_ref(NULL, (struct nvkm_object **)&port); + while (!list_empty(&i2c->aux)) { + struct nvkm_i2c_aux *aux = + list_first_entry(&i2c->aux, typeof(*aux), head); + nvkm_i2c_aux_del(&aux); } - nvkm_subdev_destroy(&i2c->base); -} - -static struct nvkm_oclass * -nvkm_i2c_extdev_sclass[] = { - nvkm_anx9805_sclass, -}; + while (!list_empty(&i2c->bus)) { + struct nvkm_i2c_bus *bus = + list_first_entry(&i2c->bus, typeof(*bus), head); + nvkm_i2c_bus_del(&bus); + } -static void -nvkm_i2c_create_port(struct nvkm_i2c *i2c, int index, u8 type, - struct dcb_i2c_entry *info) -{ - const struct nvkm_i2c_impl *impl = (void *)nv_oclass(i2c); - struct nvkm_oclass *oclass; - struct nvkm_object *parent; - struct nvkm_object *object; - int ret, pad; - - if (info->share != DCB_I2C_UNUSED) { - pad = info->share; - oclass = impl->pad_s; - } else { - if (type != DCB_I2C_NVIO_AUX) - pad = 0x100 + info->drive; - else - pad = 0x100 + info->auxch; - oclass = impl->pad_x; + while (!list_empty(&i2c->pad)) { + struct nvkm_i2c_pad *pad = + list_first_entry(&i2c->pad, typeof(*pad), head); + nvkm_i2c_pad_del(&pad); } - ret = nvkm_object_ctor(nv_object(i2c), NULL, oclass, - NULL, pad, &parent); - if (ret < 0) - return; + return i2c; +} - oclass = impl->sclass; - do { - ret = -EINVAL; - if (oclass->handle == type) { - ret = nvkm_object_ctor(parent, NULL, oclass, - info, index, &object); - } - } while (ret && (++oclass)->handle); +static const struct nvkm_subdev_func +nvkm_i2c = { + .dtor = nvkm_i2c_dtor, + .init = nvkm_i2c_init, + .fini = nvkm_i2c_fini, + .intr = nvkm_i2c_intr, +}; - nvkm_object_ref(NULL, &parent); +static const struct nvkm_i2c_drv { + u8 bios; + u8 addr; + int (*pad_new)(struct nvkm_i2c_bus *, int id, u8 addr, + struct nvkm_i2c_pad **); } +nvkm_i2c_drv[] = { + { 0x0d, 0x39, anx9805_pad_new }, + { 0x0e, 0x3b, anx9805_pad_new }, + {} +}; int -nvkm_i2c_create_(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, int length, void **pobject) +nvkm_i2c_new_(const struct nvkm_i2c_func *func, struct nvkm_device *device, + int index, struct nvkm_i2c **pi2c) { - struct nvkm_bios *bios = nvkm_bios(parent); + struct nvkm_bios *bios = device->bios; struct nvkm_i2c *i2c; - struct nvkm_object *object; - struct dcb_i2c_entry info; - int ret, i, j, index = -1; - struct dcb_output outp; - u8 ver, hdr; - u32 data; - - ret = nvkm_subdev_create(parent, engine, oclass, 0, "I2C", "i2c", &i2c); - *pobject = nv_object(i2c); - if (ret) - return ret; - - nv_subdev(i2c)->intr = nvkm_i2c_intr; - i2c->find = nvkm_i2c_find; - i2c->find_type = nvkm_i2c_find_type; - i2c->acquire_pad = nvkm_i2c_acquire_pad; - i2c->release_pad = nvkm_i2c_release_pad; - i2c->acquire = nvkm_i2c_acquire; - i2c->release = nvkm_i2c_release; - i2c->identify = nvkm_i2c_identify; - init_waitqueue_head(&i2c->wait); - INIT_LIST_HEAD(&i2c->ports); - - while (!dcb_i2c_parse(bios, ++index, &info)) { - switch (info.type) { - case DCB_I2C_NV04_BIT: - case DCB_I2C_NV4E_BIT: - case DCB_I2C_NVIO_BIT: - nvkm_i2c_create_port(i2c, NV_I2C_PORT(index), - info.type, &info); - break; - case DCB_I2C_NVIO_AUX: - nvkm_i2c_create_port(i2c, NV_I2C_AUX(index), - info.type, &info); - break; - case DCB_I2C_PMGR: - if (info.drive != DCB_I2C_UNUSED) { - nvkm_i2c_create_port(i2c, NV_I2C_PORT(index), - DCB_I2C_NVIO_BIT, &info); - } - if (info.auxch != DCB_I2C_UNUSED) { - nvkm_i2c_create_port(i2c, NV_I2C_AUX(index), - DCB_I2C_NVIO_AUX, &info); - } - break; - case DCB_I2C_UNUSED: - default: + struct dcb_i2c_entry ccbE; + struct dcb_output dcbE; + u8 ver, hdr; + int ret, i; + + if (!(i2c = *pi2c = kzalloc(sizeof(*i2c), GFP_KERNEL))) + return -ENOMEM; + + nvkm_subdev_ctor(&nvkm_i2c, device, index, 0, &i2c->subdev); + i2c->func = func; + INIT_LIST_HEAD(&i2c->pad); + INIT_LIST_HEAD(&i2c->bus); + INIT_LIST_HEAD(&i2c->aux); + + i = -1; + while (!dcb_i2c_parse(bios, ++i, &ccbE)) { + struct nvkm_i2c_pad *pad = NULL; + struct nvkm_i2c_bus *bus = NULL; + struct nvkm_i2c_aux *aux = NULL; + + nvkm_debug(&i2c->subdev, "ccb %02x: type %02x drive %02x " + "sense %02x share %02x auxch %02x\n", i, ccbE.type, + ccbE.drive, ccbE.sense, ccbE.share, ccbE.auxch); + + if (ccbE.share != DCB_I2C_UNUSED) { + const int id = NVKM_I2C_PAD_HYBRID(ccbE.share); + if (!(pad = nvkm_i2c_pad_find(i2c, id))) + ret = func->pad_s_new(i2c, id, &pad); + else + ret = 0; + } else { + ret = func->pad_x_new(i2c, NVKM_I2C_PAD_CCB(i), &pad); + } + + if (ret) { + nvkm_error(&i2c->subdev, "ccb %02x pad, %d\n", i, ret); + nvkm_i2c_pad_del(&pad); + continue; + } + + if (pad->func->bus_new_0 && ccbE.type == DCB_I2C_NV04_BIT) { + ret = pad->func->bus_new_0(pad, NVKM_I2C_BUS_CCB(i), + ccbE.drive, + ccbE.sense, &bus); + } else + if (pad->func->bus_new_4 && + ( ccbE.type == DCB_I2C_NV4E_BIT || + ccbE.type == DCB_I2C_NVIO_BIT || + (ccbE.type == DCB_I2C_PMGR && + ccbE.drive != DCB_I2C_UNUSED))) { + ret = pad->func->bus_new_4(pad, NVKM_I2C_BUS_CCB(i), + ccbE.drive, &bus); + } + + if (ret) { + nvkm_error(&i2c->subdev, "ccb %02x bus, %d\n", i, ret); + nvkm_i2c_bus_del(&bus); + } + + if (pad->func->aux_new_6 && + ( ccbE.type == DCB_I2C_NVIO_AUX || + (ccbE.type == DCB_I2C_PMGR && + ccbE.auxch != DCB_I2C_UNUSED))) { + ret = pad->func->aux_new_6(pad, NVKM_I2C_BUS_CCB(i), + ccbE.auxch, &aux); + } else { + ret = 0; + } + + if (ret) { + nvkm_error(&i2c->subdev, "ccb %02x aux, %d\n", i, ret); + nvkm_i2c_aux_del(&aux); + } + + if (ccbE.type != DCB_I2C_UNUSED && !bus && !aux) { + nvkm_warn(&i2c->subdev, "ccb %02x was ignored\n", i); continue; } } - /* in addition to the busses specified in the i2c table, there - * may be ddc/aux channels hiding behind external tmds/dp/etc - * transmitters. - */ - index = NV_I2C_EXT(0); i = -1; - while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &outp))) { - if (!outp.location || !outp.extdev) + while (dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE)) { + const struct nvkm_i2c_drv *drv = nvkm_i2c_drv; + struct nvkm_i2c_bus *bus; + struct nvkm_i2c_pad *pad; + + /* internal outputs handled by native i2c busses (above) */ + if (!dcbE.location) continue; - switch (outp.type) { - case DCB_OUTPUT_TMDS: - info.type = NV_I2C_TYPE_EXTDDC(outp.extdev); - break; - case DCB_OUTPUT_DP: - info.type = NV_I2C_TYPE_EXTAUX(outp.extdev); - break; - default: + /* we need an i2c bus to talk to the external encoder */ + bus = nvkm_i2c_bus_find(i2c, dcbE.i2c_index); + if (!bus) { + nvkm_debug(&i2c->subdev, "dcb %02x no bus\n", i); continue; } - ret = -ENODEV; - j = -1; - while (ret && ++j < ARRAY_SIZE(nvkm_i2c_extdev_sclass)) { - parent = nv_object(i2c->find(i2c, outp.i2c_index)); - oclass = nvkm_i2c_extdev_sclass[j]; - do { - if (oclass->handle != info.type) - continue; - ret = nvkm_object_ctor(parent, NULL, oclass, - NULL, index++, &object); - } while (ret && (++oclass)->handle); + /* ... and a driver for it */ + while (drv->pad_new) { + if (drv->bios == dcbE.extdev) + break; + drv++; } - } - ret = nvkm_event_init(&nvkm_i2c_intr_func, 4, index, &i2c->event); - if (ret) - return ret; - - return 0; -} + if (!drv->pad_new) { + nvkm_debug(&i2c->subdev, "dcb %02x drv %02x unknown\n", + i, dcbE.extdev); + continue; + } -int -_nvkm_i2c_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) -{ - struct nvkm_i2c *i2c; - int ret; + /* find/create an instance of the driver */ + pad = nvkm_i2c_pad_find(i2c, NVKM_I2C_PAD_EXT(dcbE.extdev)); + if (!pad) { + const int id = NVKM_I2C_PAD_EXT(dcbE.extdev); + ret = drv->pad_new(bus, id, drv->addr, &pad); + if (ret) { + nvkm_error(&i2c->subdev, "dcb %02x pad, %d\n", + i, ret); + nvkm_i2c_pad_del(&pad); + continue; + } + } - ret = nvkm_i2c_create(parent, engine, oclass, &i2c); - *pobject = nv_object(i2c); - if (ret) - return ret; + /* create any i2c bus / aux channel required by the output */ + if (pad->func->aux_new_6 && dcbE.type == DCB_OUTPUT_DP) { + const int id = NVKM_I2C_AUX_EXT(dcbE.extdev); + struct nvkm_i2c_aux *aux = NULL; + ret = pad->func->aux_new_6(pad, id, 0, &aux); + if (ret) { + nvkm_error(&i2c->subdev, "dcb %02x aux, %d\n", + i, ret); + nvkm_i2c_aux_del(&aux); + } + } else + if (pad->func->bus_new_4) { + const int id = NVKM_I2C_BUS_EXT(dcbE.extdev); + struct nvkm_i2c_bus *bus = NULL; + ret = pad->func->bus_new_4(pad, id, 0, &bus); + if (ret) { + nvkm_error(&i2c->subdev, "dcb %02x bus, %d\n", + i, ret); + nvkm_i2c_bus_del(&bus); + } + } + } - return 0; + return nvkm_event_init(&nvkm_i2c_intr_func, 4, i, &i2c->event); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bit.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bit.c index 861a453d2a67..cdce11bbabe5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bit.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bit.c @@ -9,7 +9,7 @@ * 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. + * all copies or substantial busions 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, @@ -21,7 +21,7 @@ * * Authors: Ben Skeggs */ -#include "priv.h" +#include "bus.h" #ifdef CONFIG_NOUVEAU_I2C_INTERNAL #define T_TIMEOUT 2200000 @@ -29,205 +29,188 @@ #define T_HOLD 5000 static inline void -i2c_drive_scl(struct nvkm_i2c_port *port, int state) +nvkm_i2c_drive_scl(struct nvkm_i2c_bus *bus, int state) { - port->func->drive_scl(port, state); + bus->func->drive_scl(bus, state); } static inline void -i2c_drive_sda(struct nvkm_i2c_port *port, int state) +nvkm_i2c_drive_sda(struct nvkm_i2c_bus *bus, int state) { - port->func->drive_sda(port, state); + bus->func->drive_sda(bus, state); } static inline int -i2c_sense_scl(struct nvkm_i2c_port *port) +nvkm_i2c_sense_scl(struct nvkm_i2c_bus *bus) { - return port->func->sense_scl(port); + return bus->func->sense_scl(bus); } static inline int -i2c_sense_sda(struct nvkm_i2c_port *port) +nvkm_i2c_sense_sda(struct nvkm_i2c_bus *bus) { - return port->func->sense_sda(port); + return bus->func->sense_sda(bus); } static void -i2c_delay(struct nvkm_i2c_port *port, u32 nsec) +nvkm_i2c_delay(struct nvkm_i2c_bus *bus, u32 nsec) { udelay((nsec + 500) / 1000); } static bool -i2c_raise_scl(struct nvkm_i2c_port *port) +nvkm_i2c_raise_scl(struct nvkm_i2c_bus *bus) { u32 timeout = T_TIMEOUT / T_RISEFALL; - i2c_drive_scl(port, 1); + nvkm_i2c_drive_scl(bus, 1); do { - i2c_delay(port, T_RISEFALL); - } while (!i2c_sense_scl(port) && --timeout); + nvkm_i2c_delay(bus, T_RISEFALL); + } while (!nvkm_i2c_sense_scl(bus) && --timeout); return timeout != 0; } static int -i2c_start(struct nvkm_i2c_port *port) +i2c_start(struct nvkm_i2c_bus *bus) { int ret = 0; - if (!i2c_sense_scl(port) || - !i2c_sense_sda(port)) { - i2c_drive_scl(port, 0); - i2c_drive_sda(port, 1); - if (!i2c_raise_scl(port)) + if (!nvkm_i2c_sense_scl(bus) || + !nvkm_i2c_sense_sda(bus)) { + nvkm_i2c_drive_scl(bus, 0); + nvkm_i2c_drive_sda(bus, 1); + if (!nvkm_i2c_raise_scl(bus)) ret = -EBUSY; } - i2c_drive_sda(port, 0); - i2c_delay(port, T_HOLD); - i2c_drive_scl(port, 0); - i2c_delay(port, T_HOLD); + nvkm_i2c_drive_sda(bus, 0); + nvkm_i2c_delay(bus, T_HOLD); + nvkm_i2c_drive_scl(bus, 0); + nvkm_i2c_delay(bus, T_HOLD); return ret; } static void -i2c_stop(struct nvkm_i2c_port *port) +i2c_stop(struct nvkm_i2c_bus *bus) { - i2c_drive_scl(port, 0); - i2c_drive_sda(port, 0); - i2c_delay(port, T_RISEFALL); - - i2c_drive_scl(port, 1); - i2c_delay(port, T_HOLD); - i2c_drive_sda(port, 1); - i2c_delay(port, T_HOLD); + nvkm_i2c_drive_scl(bus, 0); + nvkm_i2c_drive_sda(bus, 0); + nvkm_i2c_delay(bus, T_RISEFALL); + + nvkm_i2c_drive_scl(bus, 1); + nvkm_i2c_delay(bus, T_HOLD); + nvkm_i2c_drive_sda(bus, 1); + nvkm_i2c_delay(bus, T_HOLD); } static int -i2c_bitw(struct nvkm_i2c_port *port, int sda) +i2c_bitw(struct nvkm_i2c_bus *bus, int sda) { - i2c_drive_sda(port, sda); - i2c_delay(port, T_RISEFALL); + nvkm_i2c_drive_sda(bus, sda); + nvkm_i2c_delay(bus, T_RISEFALL); - if (!i2c_raise_scl(port)) + if (!nvkm_i2c_raise_scl(bus)) return -ETIMEDOUT; - i2c_delay(port, T_HOLD); + nvkm_i2c_delay(bus, T_HOLD); - i2c_drive_scl(port, 0); - i2c_delay(port, T_HOLD); + nvkm_i2c_drive_scl(bus, 0); + nvkm_i2c_delay(bus, T_HOLD); return 0; } static int -i2c_bitr(struct nvkm_i2c_port *port) +i2c_bitr(struct nvkm_i2c_bus *bus) { int sda; - i2c_drive_sda(port, 1); - i2c_delay(port, T_RISEFALL); + nvkm_i2c_drive_sda(bus, 1); + nvkm_i2c_delay(bus, T_RISEFALL); - if (!i2c_raise_scl(port)) + if (!nvkm_i2c_raise_scl(bus)) return -ETIMEDOUT; - i2c_delay(port, T_HOLD); + nvkm_i2c_delay(bus, T_HOLD); - sda = i2c_sense_sda(port); + sda = nvkm_i2c_sense_sda(bus); - i2c_drive_scl(port, 0); - i2c_delay(port, T_HOLD); + nvkm_i2c_drive_scl(bus, 0); + nvkm_i2c_delay(bus, T_HOLD); return sda; } static int -i2c_get_byte(struct nvkm_i2c_port *port, u8 *byte, bool last) +nvkm_i2c_get_byte(struct nvkm_i2c_bus *bus, u8 *byte, bool last) { int i, bit; *byte = 0; for (i = 7; i >= 0; i--) { - bit = i2c_bitr(port); + bit = i2c_bitr(bus); if (bit < 0) return bit; *byte |= bit << i; } - return i2c_bitw(port, last ? 1 : 0); + return i2c_bitw(bus, last ? 1 : 0); } static int -i2c_put_byte(struct nvkm_i2c_port *port, u8 byte) +nvkm_i2c_put_byte(struct nvkm_i2c_bus *bus, u8 byte) { int i, ret; for (i = 7; i >= 0; i--) { - ret = i2c_bitw(port, !!(byte & (1 << i))); + ret = i2c_bitw(bus, !!(byte & (1 << i))); if (ret < 0) return ret; } - ret = i2c_bitr(port); + ret = i2c_bitr(bus); if (ret == 1) /* nack */ ret = -EIO; return ret; } static int -i2c_addr(struct nvkm_i2c_port *port, struct i2c_msg *msg) +i2c_addr(struct nvkm_i2c_bus *bus, struct i2c_msg *msg) { u32 addr = msg->addr << 1; if (msg->flags & I2C_M_RD) addr |= 1; - return i2c_put_byte(port, addr); + return nvkm_i2c_put_byte(bus, addr); } -static int -i2c_bit_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) +int +nvkm_i2c_bit_xfer(struct nvkm_i2c_bus *bus, struct i2c_msg *msgs, int num) { - struct nvkm_i2c_port *port = adap->algo_data; struct i2c_msg *msg = msgs; int ret = 0, mcnt = num; - ret = nvkm_i2c(port)->acquire(port, nsecs_to_jiffies(T_TIMEOUT)); - if (ret) - return ret; - while (!ret && mcnt--) { u8 remaining = msg->len; u8 *ptr = msg->buf; - ret = i2c_start(port); + ret = i2c_start(bus); if (ret == 0) - ret = i2c_addr(port, msg); + ret = i2c_addr(bus, msg); if (msg->flags & I2C_M_RD) { while (!ret && remaining--) - ret = i2c_get_byte(port, ptr++, !remaining); + ret = nvkm_i2c_get_byte(bus, ptr++, !remaining); } else { while (!ret && remaining--) - ret = i2c_put_byte(port, *ptr++); + ret = nvkm_i2c_put_byte(bus, *ptr++); } msg++; } - i2c_stop(port); - nvkm_i2c(port)->release(port); + i2c_stop(bus); return (ret < 0) ? ret : num; } #else -static int -i2c_bit_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) +int +nvkm_i2c_bit_xfer(struct nvkm_i2c_bus *bus, struct i2c_msg *msgs, int num) { return -ENODEV; } #endif - -static u32 -i2c_bit_func(struct i2c_adapter *adap) -{ - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; -} - -const struct i2c_algorithm nvkm_i2c_bit_algo = { - .master_xfer = i2c_bit_xfer, - .functionality = i2c_bit_func -}; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.c new file mode 100644 index 000000000000..807a2b67bd64 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.c @@ -0,0 +1,245 @@ +/* + * Copyright 2015 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 <[email protected]> + */ +#include "bus.h" +#include "pad.h" + +#include <core/option.h> + +/******************************************************************************* + * i2c-algo-bit + ******************************************************************************/ +static int +nvkm_i2c_bus_pre_xfer(struct i2c_adapter *adap) +{ + struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); + return nvkm_i2c_bus_acquire(bus); +} + +static void +nvkm_i2c_bus_post_xfer(struct i2c_adapter *adap) +{ + struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); + return nvkm_i2c_bus_release(bus); +} + +static void +nvkm_i2c_bus_setscl(void *data, int state) +{ + struct nvkm_i2c_bus *bus = data; + bus->func->drive_scl(bus, state); +} + +static void +nvkm_i2c_bus_setsda(void *data, int state) +{ + struct nvkm_i2c_bus *bus = data; + bus->func->drive_sda(bus, state); +} + +static int +nvkm_i2c_bus_getscl(void *data) +{ + struct nvkm_i2c_bus *bus = data; + return bus->func->sense_scl(bus); +} + +static int +nvkm_i2c_bus_getsda(void *data) +{ + struct nvkm_i2c_bus *bus = data; + return bus->func->sense_sda(bus); +} + +/******************************************************************************* + * !i2c-algo-bit (off-chip i2c bus / hw i2c / internal bit-banging algo) + ******************************************************************************/ +static int +nvkm_i2c_bus_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) +{ + struct nvkm_i2c_bus *bus = container_of(adap, typeof(*bus), i2c); + int ret; + + ret = nvkm_i2c_bus_acquire(bus); + if (ret) + return ret; + + ret = bus->func->xfer(bus, msgs, num); + nvkm_i2c_bus_release(bus); + return ret; +} + +static u32 +nvkm_i2c_bus_func(struct i2c_adapter *adap) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; +} + +static const struct i2c_algorithm +nvkm_i2c_bus_algo = { + .master_xfer = nvkm_i2c_bus_xfer, + .functionality = nvkm_i2c_bus_func, +}; + +/******************************************************************************* + * nvkm_i2c_bus base + ******************************************************************************/ +void +nvkm_i2c_bus_init(struct nvkm_i2c_bus *bus) +{ + BUS_TRACE(bus, "init"); + if (bus->func->init) + bus->func->init(bus); +} + +void +nvkm_i2c_bus_release(struct nvkm_i2c_bus *bus) +{ + struct nvkm_i2c_pad *pad = bus->pad; + BUS_TRACE(bus, "release"); + nvkm_i2c_pad_release(pad); + mutex_unlock(&bus->mutex); +} + +int +nvkm_i2c_bus_acquire(struct nvkm_i2c_bus *bus) +{ + struct nvkm_i2c_pad *pad = bus->pad; + int ret; + BUS_TRACE(bus, "acquire"); + mutex_lock(&bus->mutex); + ret = nvkm_i2c_pad_acquire(pad, NVKM_I2C_PAD_I2C); + if (ret) + mutex_unlock(&bus->mutex); + return ret; +} + +int +nvkm_i2c_bus_probe(struct nvkm_i2c_bus *bus, const char *what, + struct nvkm_i2c_bus_probe *info, + bool (*match)(struct nvkm_i2c_bus *, + struct i2c_board_info *, void *), void *data) +{ + int i; + + BUS_DBG(bus, "probing %ss", what); + for (i = 0; info[i].dev.addr; i++) { + u8 orig_udelay = 0; + + if ((bus->i2c.algo == &i2c_bit_algo) && (info[i].udelay != 0)) { + struct i2c_algo_bit_data *algo = bus->i2c.algo_data; + BUS_DBG(bus, "%dms delay instead of %dms", + info[i].udelay, algo->udelay); + orig_udelay = algo->udelay; + algo->udelay = info[i].udelay; + } + + if (nvkm_probe_i2c(&bus->i2c, info[i].dev.addr) && + (!match || match(bus, &info[i].dev, data))) { + BUS_DBG(bus, "detected %s: %s", + what, info[i].dev.type); + return i; + } + + if (orig_udelay) { + struct i2c_algo_bit_data *algo = bus->i2c.algo_data; + algo->udelay = orig_udelay; + } + } + + BUS_DBG(bus, "no devices found."); + return -ENODEV; +} + +void +nvkm_i2c_bus_del(struct nvkm_i2c_bus **pbus) +{ + struct nvkm_i2c_bus *bus = *pbus; + if (bus && !WARN_ON(!bus->func)) { + BUS_TRACE(bus, "dtor"); + list_del(&bus->head); + i2c_del_adapter(&bus->i2c); + kfree(bus->i2c.algo_data); + kfree(*pbus); + *pbus = NULL; + } +} + +int +nvkm_i2c_bus_ctor(const struct nvkm_i2c_bus_func *func, + struct nvkm_i2c_pad *pad, int id, + struct nvkm_i2c_bus *bus) +{ + struct nvkm_device *device = pad->i2c->subdev.device; + struct i2c_algo_bit_data *bit; +#ifndef CONFIG_NOUVEAU_I2C_INTERNAL_DEFAULT + const bool internal = false; +#else + const bool internal = true; +#endif + int ret; + + bus->func = func; + bus->pad = pad; + bus->id = id; + mutex_init(&bus->mutex); + list_add_tail(&bus->head, &pad->i2c->bus); + BUS_TRACE(bus, "ctor"); + + snprintf(bus->i2c.name, sizeof(bus->i2c.name), "nvkm-%s-bus-%04x", + dev_name(device->dev), id); + bus->i2c.owner = THIS_MODULE; + bus->i2c.dev.parent = device->dev; + + if ( bus->func->drive_scl && + !nvkm_boolopt(device->cfgopt, "NvI2C", internal)) { + if (!(bit = kzalloc(sizeof(*bit), GFP_KERNEL))) + return -ENOMEM; + bit->udelay = 10; + bit->timeout = usecs_to_jiffies(2200); + bit->data = bus; + bit->pre_xfer = nvkm_i2c_bus_pre_xfer; + bit->post_xfer = nvkm_i2c_bus_post_xfer; + bit->setscl = nvkm_i2c_bus_setscl; + bit->setsda = nvkm_i2c_bus_setsda; + bit->getscl = nvkm_i2c_bus_getscl; + bit->getsda = nvkm_i2c_bus_getsda; + bus->i2c.algo_data = bit; + ret = i2c_bit_add_bus(&bus->i2c); + } else { + bus->i2c.algo = &nvkm_i2c_bus_algo; + ret = i2c_add_adapter(&bus->i2c); + } + + return ret; +} + +int +nvkm_i2c_bus_new_(const struct nvkm_i2c_bus_func *func, + struct nvkm_i2c_pad *pad, int id, + struct nvkm_i2c_bus **pbus) +{ + if (!(*pbus = kzalloc(sizeof(**pbus), GFP_KERNEL))) + return -ENOMEM; + return nvkm_i2c_bus_ctor(func, pad, id, *pbus); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h new file mode 100644 index 000000000000..e1be14c23e54 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h @@ -0,0 +1,37 @@ +#ifndef __NVKM_I2C_BUS_H__ +#define __NVKM_I2C_BUS_H__ +#include "pad.h" + +struct nvkm_i2c_bus_func { + void (*init)(struct nvkm_i2c_bus *); + void (*drive_scl)(struct nvkm_i2c_bus *, int state); + void (*drive_sda)(struct nvkm_i2c_bus *, int state); + int (*sense_scl)(struct nvkm_i2c_bus *); + int (*sense_sda)(struct nvkm_i2c_bus *); + int (*xfer)(struct nvkm_i2c_bus *, struct i2c_msg *, int num); +}; + +int nvkm_i2c_bus_ctor(const struct nvkm_i2c_bus_func *, struct nvkm_i2c_pad *, + int id, struct nvkm_i2c_bus *); +int nvkm_i2c_bus_new_(const struct nvkm_i2c_bus_func *, struct nvkm_i2c_pad *, + int id, struct nvkm_i2c_bus **); +void nvkm_i2c_bus_del(struct nvkm_i2c_bus **); +void nvkm_i2c_bus_init(struct nvkm_i2c_bus *); + +int nvkm_i2c_bit_xfer(struct nvkm_i2c_bus *, struct i2c_msg *, int); + +int nv04_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, u8, + struct nvkm_i2c_bus **); + +int nv4e_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **); +int nv50_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **); +int gf119_i2c_bus_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_bus **); + +#define BUS_MSG(b,l,f,a...) do { \ + struct nvkm_i2c_bus *_bus = (b); \ + nvkm_##l(&_bus->pad->i2c->subdev, "bus %04x: "f"\n", _bus->id, ##a); \ +} while(0) +#define BUS_ERR(b,f,a...) BUS_MSG((b), error, f, ##a) +#define BUS_DBG(b,f,a...) BUS_MSG((b), debug, f, ##a) +#define BUS_TRACE(b,f,a...) BUS_MSG((b), trace, f, ##a) +#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busgf119.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busgf119.c new file mode 100644 index 000000000000..96bbdda0f439 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busgf119.c @@ -0,0 +1,95 @@ +/* + * Copyright 2015 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 busions 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 <[email protected]> + */ +#define gf119_i2c_bus(p) container_of((p), struct gf119_i2c_bus, base) +#include "bus.h" + +struct gf119_i2c_bus { + struct nvkm_i2c_bus base; + u32 addr; +}; + +static void +gf119_i2c_bus_drive_scl(struct nvkm_i2c_bus *base, int state) +{ + struct gf119_i2c_bus *bus = gf119_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + nvkm_mask(device, bus->addr, 0x00000001, state ? 0x00000001 : 0); +} + +static void +gf119_i2c_bus_drive_sda(struct nvkm_i2c_bus *base, int state) +{ + struct gf119_i2c_bus *bus = gf119_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + nvkm_mask(device, bus->addr, 0x00000002, state ? 0x00000002 : 0); +} + +static int +gf119_i2c_bus_sense_scl(struct nvkm_i2c_bus *base) +{ + struct gf119_i2c_bus *bus = gf119_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + return !!(nvkm_rd32(device, bus->addr) & 0x00000010); +} + +static int +gf119_i2c_bus_sense_sda(struct nvkm_i2c_bus *base) +{ + struct gf119_i2c_bus *bus = gf119_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + return !!(nvkm_rd32(device, bus->addr) & 0x00000020); +} + +static void +gf119_i2c_bus_init(struct nvkm_i2c_bus *base) +{ + struct gf119_i2c_bus *bus = gf119_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + nvkm_wr32(device, bus->addr, 0x00000007); +} + +static const struct nvkm_i2c_bus_func +gf119_i2c_bus_func = { + .init = gf119_i2c_bus_init, + .drive_scl = gf119_i2c_bus_drive_scl, + .drive_sda = gf119_i2c_bus_drive_sda, + .sense_scl = gf119_i2c_bus_sense_scl, + .sense_sda = gf119_i2c_bus_sense_sda, + .xfer = nvkm_i2c_bit_xfer, +}; + +int +gf119_i2c_bus_new(struct nvkm_i2c_pad *pad, int id, u8 drive, + struct nvkm_i2c_bus **pbus) +{ + struct gf119_i2c_bus *bus; + + if (!(bus = kzalloc(sizeof(*bus), GFP_KERNEL))) + return -ENOMEM; + *pbus = &bus->base; + + nvkm_i2c_bus_ctor(&gf119_i2c_bus_func, pad, id, &bus->base); + bus->addr = 0x00d014 + (drive * 0x20); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv04.c new file mode 100644 index 000000000000..a58db159231f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv04.c @@ -0,0 +1,96 @@ +/* + * Copyright 2015 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 busions 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 <[email protected]> + */ +#define nv04_i2c_bus(p) container_of((p), struct nv04_i2c_bus, base) +#include "bus.h" + +#include <subdev/vga.h> + +struct nv04_i2c_bus { + struct nvkm_i2c_bus base; + u8 drive; + u8 sense; +}; + +static void +nv04_i2c_bus_drive_scl(struct nvkm_i2c_bus *base, int state) +{ + struct nv04_i2c_bus *bus = nv04_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + u8 val = nvkm_rdvgac(device, 0, bus->drive); + if (state) val |= 0x20; + else val &= 0xdf; + nvkm_wrvgac(device, 0, bus->drive, val | 0x01); +} + +static void +nv04_i2c_bus_drive_sda(struct nvkm_i2c_bus *base, int state) +{ + struct nv04_i2c_bus *bus = nv04_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + u8 val = nvkm_rdvgac(device, 0, bus->drive); + if (state) val |= 0x10; + else val &= 0xef; + nvkm_wrvgac(device, 0, bus->drive, val | 0x01); +} + +static int +nv04_i2c_bus_sense_scl(struct nvkm_i2c_bus *base) +{ + struct nv04_i2c_bus *bus = nv04_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + return !!(nvkm_rdvgac(device, 0, bus->sense) & 0x04); +} + +static int +nv04_i2c_bus_sense_sda(struct nvkm_i2c_bus *base) +{ + struct nv04_i2c_bus *bus = nv04_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + return !!(nvkm_rdvgac(device, 0, bus->sense) & 0x08); +} + +static const struct nvkm_i2c_bus_func +nv04_i2c_bus_func = { + .drive_scl = nv04_i2c_bus_drive_scl, + .drive_sda = nv04_i2c_bus_drive_sda, + .sense_scl = nv04_i2c_bus_sense_scl, + .sense_sda = nv04_i2c_bus_sense_sda, + .xfer = nvkm_i2c_bit_xfer, +}; + +int +nv04_i2c_bus_new(struct nvkm_i2c_pad *pad, int id, u8 drive, u8 sense, + struct nvkm_i2c_bus **pbus) +{ + struct nv04_i2c_bus *bus; + + if (!(bus = kzalloc(sizeof(*bus), GFP_KERNEL))) + return -ENOMEM; + *pbus = &bus->base; + + nvkm_i2c_bus_ctor(&nv04_i2c_bus_func, pad, id, &bus->base); + bus->drive = drive; + bus->sense = sense; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv4e.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv4e.c new file mode 100644 index 000000000000..cdd73dcb1197 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv4e.c @@ -0,0 +1,86 @@ +/* + * Copyright 2015 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 busions 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 <[email protected]> + */ +#define nv4e_i2c_bus(p) container_of((p), struct nv4e_i2c_bus, base) +#include "bus.h" + +struct nv4e_i2c_bus { + struct nvkm_i2c_bus base; + u32 addr; +}; + +static void +nv4e_i2c_bus_drive_scl(struct nvkm_i2c_bus *base, int state) +{ + struct nv4e_i2c_bus *bus = nv4e_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + nvkm_mask(device, bus->addr, 0x2f, state ? 0x21 : 0x01); +} + +static void +nv4e_i2c_bus_drive_sda(struct nvkm_i2c_bus *base, int state) +{ + struct nv4e_i2c_bus *bus = nv4e_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + nvkm_mask(device, bus->addr, 0x1f, state ? 0x11 : 0x01); +} + +static int +nv4e_i2c_bus_sense_scl(struct nvkm_i2c_bus *base) +{ + struct nv4e_i2c_bus *bus = nv4e_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + return !!(nvkm_rd32(device, bus->addr) & 0x00040000); +} + +static int +nv4e_i2c_bus_sense_sda(struct nvkm_i2c_bus *base) +{ + struct nv4e_i2c_bus *bus = nv4e_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + return !!(nvkm_rd32(device, bus->addr) & 0x00080000); +} + +static const struct nvkm_i2c_bus_func +nv4e_i2c_bus_func = { + .drive_scl = nv4e_i2c_bus_drive_scl, + .drive_sda = nv4e_i2c_bus_drive_sda, + .sense_scl = nv4e_i2c_bus_sense_scl, + .sense_sda = nv4e_i2c_bus_sense_sda, + .xfer = nvkm_i2c_bit_xfer, +}; + +int +nv4e_i2c_bus_new(struct nvkm_i2c_pad *pad, int id, u8 drive, + struct nvkm_i2c_bus **pbus) +{ + struct nv4e_i2c_bus *bus; + + if (!(bus = kzalloc(sizeof(*bus), GFP_KERNEL))) + return -ENOMEM; + *pbus = &bus->base; + + nvkm_i2c_bus_ctor(&nv4e_i2c_bus_func, pad, id, &bus->base); + bus->addr = 0x600800 + drive; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv50.c new file mode 100644 index 000000000000..8db8399381ca --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/busnv50.c @@ -0,0 +1,113 @@ +/* + * Copyright 2015 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 busions 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 <[email protected]> + */ +#define nv50_i2c_bus(p) container_of((p), struct nv50_i2c_bus, base) +#include "bus.h" + +#include <subdev/vga.h> + +struct nv50_i2c_bus { + struct nvkm_i2c_bus base; + u32 addr; + u32 data; +}; + +static void +nv50_i2c_bus_drive_scl(struct nvkm_i2c_bus *base, int state) +{ + struct nv50_i2c_bus *bus = nv50_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + if (state) bus->data |= 0x01; + else bus->data &= 0xfe; + nvkm_wr32(device, bus->addr, bus->data); +} + +static void +nv50_i2c_bus_drive_sda(struct nvkm_i2c_bus *base, int state) +{ + struct nv50_i2c_bus *bus = nv50_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + if (state) bus->data |= 0x02; + else bus->data &= 0xfd; + nvkm_wr32(device, bus->addr, bus->data); +} + +static int +nv50_i2c_bus_sense_scl(struct nvkm_i2c_bus *base) +{ + struct nv50_i2c_bus *bus = nv50_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + return !!(nvkm_rd32(device, bus->addr) & 0x00000001); +} + +static int +nv50_i2c_bus_sense_sda(struct nvkm_i2c_bus *base) +{ + struct nv50_i2c_bus *bus = nv50_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + return !!(nvkm_rd32(device, bus->addr) & 0x00000002); +} + +static void +nv50_i2c_bus_init(struct nvkm_i2c_bus *base) +{ + struct nv50_i2c_bus *bus = nv50_i2c_bus(base); + struct nvkm_device *device = bus->base.pad->i2c->subdev.device; + nvkm_wr32(device, bus->addr, (bus->data = 0x00000007)); +} + +static const struct nvkm_i2c_bus_func +nv50_i2c_bus_func = { + .init = nv50_i2c_bus_init, + .drive_scl = nv50_i2c_bus_drive_scl, + .drive_sda = nv50_i2c_bus_drive_sda, + .sense_scl = nv50_i2c_bus_sense_scl, + .sense_sda = nv50_i2c_bus_sense_sda, + .xfer = nvkm_i2c_bit_xfer, +}; + +int +nv50_i2c_bus_new(struct nvkm_i2c_pad *pad, int id, u8 drive, + struct nvkm_i2c_bus **pbus) +{ + static const u32 addr[] = { + 0x00e138, 0x00e150, 0x00e168, 0x00e180, + 0x00e254, 0x00e274, 0x00e764, 0x00e780, + 0x00e79c, 0x00e7b8 + }; + struct nv50_i2c_bus *bus; + + if (drive >= ARRAY_SIZE(addr)) { + nvkm_warn(&pad->i2c->subdev, "bus %d unknown\n", drive); + return -ENODEV; + } + + if (!(bus = kzalloc(sizeof(*bus), GFP_KERNEL))) + return -ENOMEM; + *pbus = &bus->base; + + nvkm_i2c_bus_ctor(&nv50_i2c_bus_func, pad, id, &bus->base); + bus->addr = addr[drive]; + bus->data = 0x00000007; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/g94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/g94.c index 2a2dd47b9835..bb2a31d88161 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/g94.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/g94.c @@ -21,26 +21,29 @@ * * Authors: Ben Skeggs */ -#include "nv50.h" +#include "priv.h" +#include "pad.h" void g94_aux_stat(struct nvkm_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx) { - u32 intr = nv_rd32(i2c, 0x00e06c); - u32 stat = nv_rd32(i2c, 0x00e068) & intr, i; + struct nvkm_device *device = i2c->subdev.device; + u32 intr = nvkm_rd32(device, 0x00e06c); + u32 stat = nvkm_rd32(device, 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); + nvkm_wr32(device, 0x00e06c, intr); } void g94_aux_mask(struct nvkm_i2c *i2c, u32 type, u32 mask, u32 data) { - u32 temp = nv_rd32(i2c, 0x00e068), i; + struct nvkm_device *device = i2c->subdev.device; + u32 temp = nvkm_rd32(device, 0x00e068), i; for (i = 0; i < 8; i++) { if (mask & (1 << i)) { if (!(data & (1 << i))) { @@ -50,230 +53,20 @@ g94_aux_mask(struct nvkm_i2c *i2c, u32 type, u32 mask, u32 data) 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) - -static void -auxch_fini(struct nvkm_i2c *aux, int ch) -{ - nv_mask(aux, 0x00e4e4 + (ch * 0x50), 0x00310000, 0x00000000); -} - -static int -auxch_init(struct nvkm_i2c *aux, int ch) -{ - const u32 unksel = 1; /* nfi which to use, or if it matters.. */ - const u32 ureq = unksel ? 0x00100000 : 0x00200000; - const u32 urep = unksel ? 0x01000000 : 0x02000000; - u32 ctrl, timeout; - - /* wait up to 1ms for any previous transaction to be done... */ - timeout = 1000; - do { - ctrl = nv_rd32(aux, 0x00e4e4 + (ch * 0x50)); - udelay(1); - if (!timeout--) { - AUX_ERR("begin idle timeout 0x%08x\n", ctrl); - return -EBUSY; - } - } while (ctrl & 0x03010000); - - /* set some magic, and wait up to 1ms for it to appear */ - nv_mask(aux, 0x00e4e4 + (ch * 0x50), 0x00300000, ureq); - timeout = 1000; - do { - ctrl = nv_rd32(aux, 0x00e4e4 + (ch * 0x50)); - udelay(1); - if (!timeout--) { - AUX_ERR("magic wait 0x%08x\n", ctrl); - auxch_fini(aux, ch); - return -EBUSY; - } - } while ((ctrl & 0x03000000) != urep); - - return 0; -} - -int -g94_aux(struct nvkm_i2c_port *base, bool retry, - u8 type, u32 addr, u8 *data, u8 size) -{ - struct nvkm_i2c *aux = nvkm_i2c(base); - struct nv50_i2c_port *port = (void *)base; - u32 ctrl, stat, timeout, retries; - u32 xbuf[4] = {}; - int ch = port->addr; - int ret, i; - - AUX_DBG("%d: 0x%08x %d\n", type, addr, size); - - ret = auxch_init(aux, ch); - if (ret) - goto out; - - stat = nv_rd32(aux, 0x00e4e8 + (ch * 0x50)); - if (!(stat & 0x10000000)) { - AUX_DBG("sink not detected\n"); - ret = -ENXIO; - goto out; - } - - if (!(type & 1)) { - memcpy(xbuf, data, size); - for (i = 0; i < 16; i += 4) { - AUX_DBG("wr 0x%08x\n", xbuf[i / 4]); - nv_wr32(aux, 0x00e4c0 + (ch * 0x50) + i, xbuf[i / 4]); - } - } - - ctrl = nv_rd32(aux, 0x00e4e4 + (ch * 0x50)); - ctrl &= ~0x0001f0ff; - ctrl |= type << 12; - ctrl |= size - 1; - nv_wr32(aux, 0x00e4e0 + (ch * 0x50), addr); - - /* (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); - if (retries) - udelay(400); - - /* transaction request, wait up to 1ms for it to complete */ - nv_wr32(aux, 0x00e4e4 + (ch * 0x50), 0x00010000 | ctrl); - - timeout = 1000; - do { - ctrl = nv_rd32(aux, 0x00e4e4 + (ch * 0x50)); - 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 & 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); - } - - if (type & 1) { - for (i = 0; i < 16; i += 4) { - xbuf[i / 4] = nv_rd32(aux, 0x00e4d0 + (ch * 0x50) + i); - AUX_DBG("rd 0x%08x\n", xbuf[i / 4]); - } - memcpy(data, xbuf, size); - } - -out: - auxch_fini(aux, ch); - return ret < 0 ? ret : (stat & 0x000f0000) >> 16; + nvkm_wr32(device, 0x00e068, temp); } static const struct nvkm_i2c_func -g94_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, -}; - -static int -g94_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, &g94_i2c_func, &port); - *pobject = nv_object(port); - if (ret) - return ret; - - if (info->drive >= nv50_i2c_addr_nr) - return -EINVAL; - - port->state = 7; - port->addr = nv50_i2c_addr[info->drive]; - return 0; -} - -static const struct nvkm_i2c_func -g94_aux_func = { - .aux = g94_aux, +g94_i2c = { + .pad_x_new = g94_i2c_pad_x_new, + .pad_s_new = g94_i2c_pad_s_new, + .aux = 4, + .aux_stat = g94_aux_stat, + .aux_mask = g94_aux_mask, }; int -g94_aux_port_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) +g94_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) { - struct dcb_i2c_entry *info = data; - struct nv50_i2c_port *port; - int ret; - - ret = nvkm_i2c_port_create(parent, engine, oclass, index, - &nvkm_i2c_aux_algo, &g94_aux_func, &port); - *pobject = nv_object(port); - if (ret) - return ret; - - port->base.aux = info->auxch; - port->addr = info->auxch; - return 0; + return nvkm_i2c_new_(&g94_i2c, device, index, pi2c); } - -static struct nvkm_oclass -g94_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = g94_i2c_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = nv50_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = g94_aux_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = _nvkm_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - {} -}; - -struct nvkm_oclass * -g94_i2c_oclass = &(struct nvkm_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0x94), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_ctor, - .dtor = _nvkm_i2c_dtor, - .init = _nvkm_i2c_init, - .fini = _nvkm_i2c_fini, - }, - .sclass = g94_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, - .pad_s = &g94_i2c_pad_oclass, - .aux = 4, - .aux_stat = g94_aux_stat, - .aux_mask = g94_aux_mask, -}.base; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf110.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf110.c deleted file mode 100644 index 4d4ac6638140..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf110.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * 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 int -gf110_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) & 0x00000010); -} - -static int -gf110_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) & 0x00000020); -} - -static const struct nvkm_i2c_func -gf110_i2c_func = { - .drive_scl = nv50_i2c_drive_scl, - .drive_sda = nv50_i2c_drive_sda, - .sense_scl = gf110_i2c_sense_scl, - .sense_sda = gf110_i2c_sense_sda, -}; - -int -gf110_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, &gf110_i2c_func, &port); - *pobject = nv_object(port); - if (ret) - return ret; - - port->state = 0x00000007; - port->addr = 0x00d014 + (info->drive * 0x20); - return 0; -} - -struct nvkm_oclass -gf110_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = gf110_i2c_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = nv50_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = g94_aux_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = _nvkm_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - {} -}; - -struct nvkm_oclass * -gf110_i2c_oclass = &(struct nvkm_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0xd0), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_ctor, - .dtor = _nvkm_i2c_dtor, - .init = _nvkm_i2c_init, - .fini = _nvkm_i2c_fini, - }, - .sclass = gf110_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, - .pad_s = &g94_i2c_pad_oclass, - .aux = 4, - .aux_stat = g94_aux_stat, - .aux_mask = g94_aux_mask, -}.base; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf117.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf117.c index e290b40f2d13..ae4aad3fcd2e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf117.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf117.c @@ -21,18 +21,16 @@ * * Authors: Ben Skeggs */ -#include "nv50.h" +#include "priv.h" +#include "pad.h" -struct nvkm_oclass * -gf117_i2c_oclass = &(struct nvkm_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0xd7), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_ctor, - .dtor = _nvkm_i2c_dtor, - .init = _nvkm_i2c_init, - .fini = _nvkm_i2c_fini, - }, - .sclass = gf110_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, - .pad_s = &nv04_i2c_pad_oclass, -}.base; +static const struct nvkm_i2c_func +gf117_i2c = { + .pad_x_new = gf119_i2c_pad_x_new, +}; + +int +gf117_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) +{ + return nvkm_i2c_new_(&gf117_i2c, device, index, pi2c); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf119.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf119.c new file mode 100644 index 000000000000..6f2b02af42c8 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gf119.c @@ -0,0 +1,40 @@ +/* + * 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 "priv.h" +#include "pad.h" + +static const struct nvkm_i2c_func +gf119_i2c = { + .pad_x_new = gf119_i2c_pad_x_new, + .pad_s_new = gf119_i2c_pad_s_new, + .aux = 4, + .aux_stat = g94_aux_stat, + .aux_mask = g94_aux_mask, +}; + +int +gf119_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) +{ + return nvkm_i2c_new_(&gf119_i2c, device, index, pi2c); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c index 1a464903a992..f9f6bf4b66c9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gk104.c @@ -21,26 +21,29 @@ * * Authors: Ben Skeggs */ -#include "nv50.h" +#include "priv.h" +#include "pad.h" void gk104_aux_stat(struct nvkm_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx) { - u32 intr = nv_rd32(i2c, 0x00dc60); - u32 stat = nv_rd32(i2c, 0x00dc68) & intr, i; + struct nvkm_device *device = i2c->subdev.device; + u32 intr = nvkm_rd32(device, 0x00dc60); + u32 stat = nvkm_rd32(device, 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); + nvkm_wr32(device, 0x00dc60, intr); } void gk104_aux_mask(struct nvkm_i2c *i2c, u32 type, u32 mask, u32 data) { - u32 temp = nv_rd32(i2c, 0x00dc68), i; + struct nvkm_device *device = i2c->subdev.device; + u32 temp = nvkm_rd32(device, 0x00dc68), i; for (i = 0; i < 8; i++) { if (mask & (1 << i)) { if (!(data & (1 << i))) { @@ -50,22 +53,20 @@ gk104_aux_mask(struct nvkm_i2c *i2c, u32 type, u32 mask, u32 data) temp |= type << (i * 4); } } - nv_wr32(i2c, 0x00dc68, temp); + nvkm_wr32(device, 0x00dc68, temp); } -struct nvkm_oclass * -gk104_i2c_oclass = &(struct nvkm_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0xe0), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_ctor, - .dtor = _nvkm_i2c_dtor, - .init = _nvkm_i2c_init, - .fini = _nvkm_i2c_fini, - }, - .sclass = gf110_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, - .pad_s = &g94_i2c_pad_oclass, +static const struct nvkm_i2c_func +gk104_i2c = { + .pad_x_new = gf119_i2c_pad_x_new, + .pad_s_new = gf119_i2c_pad_s_new, .aux = 4, .aux_stat = gk104_aux_stat, .aux_mask = gk104_aux_mask, -}.base; +}; + +int +gk104_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) +{ + return nvkm_i2c_new_(&gk104_i2c, device, index, pi2c); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm204.c index ab64237b3842..ff9f7d62f6be 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm204.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/gm204.c @@ -21,199 +21,20 @@ * * Authors: Ben Skeggs */ -#include "nv50.h" - -#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) - -static void -auxch_fini(struct nvkm_i2c *aux, int ch) -{ - nv_mask(aux, 0x00d954 + (ch * 0x50), 0x00310000, 0x00000000); -} - -static int -auxch_init(struct nvkm_i2c *aux, int ch) -{ - const u32 unksel = 1; /* nfi which to use, or if it matters.. */ - const u32 ureq = unksel ? 0x00100000 : 0x00200000; - const u32 urep = unksel ? 0x01000000 : 0x02000000; - u32 ctrl, timeout; - - /* wait up to 1ms for any previous transaction to be done... */ - timeout = 1000; - do { - ctrl = nv_rd32(aux, 0x00d954 + (ch * 0x50)); - udelay(1); - if (!timeout--) { - AUX_ERR("begin idle timeout 0x%08x\n", ctrl); - return -EBUSY; - } - } while (ctrl & 0x03010000); - - /* set some magic, and wait up to 1ms for it to appear */ - nv_mask(aux, 0x00d954 + (ch * 0x50), 0x00300000, ureq); - timeout = 1000; - do { - ctrl = nv_rd32(aux, 0x00d954 + (ch * 0x50)); - udelay(1); - if (!timeout--) { - AUX_ERR("magic wait 0x%08x\n", ctrl); - auxch_fini(aux, ch); - return -EBUSY; - } - } while ((ctrl & 0x03000000) != urep); - - return 0; -} - -int -gm204_aux(struct nvkm_i2c_port *base, bool retry, - u8 type, u32 addr, u8 *data, u8 size) -{ - struct nvkm_i2c *aux = nvkm_i2c(base); - struct nv50_i2c_port *port = (void *)base; - u32 ctrl, stat, timeout, retries; - u32 xbuf[4] = {}; - int ch = port->addr; - int ret, i; - - AUX_DBG("%d: 0x%08x %d\n", type, addr, size); - - ret = auxch_init(aux, ch); - if (ret) - goto out; - - stat = nv_rd32(aux, 0x00d958 + (ch * 0x50)); - if (!(stat & 0x10000000)) { - AUX_DBG("sink not detected\n"); - ret = -ENXIO; - goto out; - } - - if (!(type & 1)) { - memcpy(xbuf, data, size); - for (i = 0; i < 16; i += 4) { - AUX_DBG("wr 0x%08x\n", xbuf[i / 4]); - nv_wr32(aux, 0x00d930 + (ch * 0x50) + i, xbuf[i / 4]); - } - } - - ctrl = nv_rd32(aux, 0x00d954 + (ch * 0x50)); - ctrl &= ~0x0001f0ff; - ctrl |= type << 12; - ctrl |= size - 1; - nv_wr32(aux, 0x00d950 + (ch * 0x50), addr); - - /* (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, 0x00d954 + (ch * 0x50), 0x80000000 | ctrl); - nv_wr32(aux, 0x00d954 + (ch * 0x50), 0x00000000 | ctrl); - if (retries) - udelay(400); - - /* transaction request, wait up to 1ms for it to complete */ - nv_wr32(aux, 0x00d954 + (ch * 0x50), 0x00010000 | ctrl); - - timeout = 1000; - do { - ctrl = nv_rd32(aux, 0x00d954 + (ch * 0x50)); - 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, 0x00d958 + (ch * 0x50), 0, 0); - 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); - } - - if (type & 1) { - for (i = 0; i < 16; i += 4) { - xbuf[i / 4] = nv_rd32(aux, 0x00d940 + (ch * 0x50) + i); - AUX_DBG("rd 0x%08x\n", xbuf[i / 4]); - } - memcpy(data, xbuf, size); - } - -out: - auxch_fini(aux, ch); - return ret < 0 ? ret : (stat & 0x000f0000) >> 16; -} +#include "priv.h" +#include "pad.h" static const struct nvkm_i2c_func -gm204_aux_func = { - .aux = gm204_aux, +gm204_i2c = { + .pad_x_new = gf119_i2c_pad_x_new, + .pad_s_new = gm204_i2c_pad_s_new, + .aux = 8, + .aux_stat = gk104_aux_stat, + .aux_mask = gk104_aux_mask, }; int -gm204_aux_port_ctor(struct nvkm_object *parent, - struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) +gm204_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) { - struct dcb_i2c_entry *info = data; - struct nv50_i2c_port *port; - int ret; - - ret = nvkm_i2c_port_create(parent, engine, oclass, index, - &nvkm_i2c_aux_algo, &gm204_aux_func, &port); - *pobject = nv_object(port); - if (ret) - return ret; - - port->base.aux = info->auxch; - port->addr = info->auxch; - return 0; + return nvkm_i2c_new_(&gm204_i2c, device, index, pi2c); } - -struct nvkm_oclass -gm204_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = gf110_i2c_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = nv50_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = gm204_aux_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = _nvkm_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - {} -}; - -struct nvkm_oclass * -gm204_i2c_oclass = &(struct nvkm_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0x24), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_ctor, - .dtor = _nvkm_i2c_dtor, - .init = _nvkm_i2c_init, - .fini = _nvkm_i2c_fini, - }, - .sclass = gm204_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, - .pad_s = &gm204_i2c_pad_oclass, - .aux = 8, - .aux_stat = gk104_aux_stat, - .aux_mask = gk104_aux_mask, -}.base; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c index 4cdf1c489353..18776f49355c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv04.c @@ -22,107 +22,15 @@ * Authors: Ben Skeggs */ #include "priv.h" - -#include <subdev/vga.h> - -struct nv04_i2c_priv { - struct nvkm_i2c base; -}; - -struct nv04_i2c_port { - struct nvkm_i2c_port base; - u8 drive; - u8 sense; -}; - -static void -nv04_i2c_drive_scl(struct nvkm_i2c_port *base, int state) -{ - struct nv04_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv04_i2c_port *port = (void *)base; - u8 val = nv_rdvgac(priv, 0, port->drive); - if (state) val |= 0x20; - else val &= 0xdf; - nv_wrvgac(priv, 0, port->drive, val | 0x01); -} - -static void -nv04_i2c_drive_sda(struct nvkm_i2c_port *base, int state) -{ - struct nv04_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv04_i2c_port *port = (void *)base; - u8 val = nv_rdvgac(priv, 0, port->drive); - if (state) val |= 0x10; - else val &= 0xef; - nv_wrvgac(priv, 0, port->drive, val | 0x01); -} - -static int -nv04_i2c_sense_scl(struct nvkm_i2c_port *base) -{ - struct nv04_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv04_i2c_port *port = (void *)base; - return !!(nv_rdvgac(priv, 0, port->sense) & 0x04); -} - -static int -nv04_i2c_sense_sda(struct nvkm_i2c_port *base) -{ - struct nv04_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv04_i2c_port *port = (void *)base; - return !!(nv_rdvgac(priv, 0, port->sense) & 0x08); -} +#include "pad.h" static const struct nvkm_i2c_func -nv04_i2c_func = { - .drive_scl = nv04_i2c_drive_scl, - .drive_sda = nv04_i2c_drive_sda, - .sense_scl = nv04_i2c_sense_scl, - .sense_sda = nv04_i2c_sense_sda, +nv04_i2c = { + .pad_x_new = nv04_i2c_pad_new, }; -static int -nv04_i2c_port_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) +int +nv04_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) { - struct dcb_i2c_entry *info = data; - struct nv04_i2c_port *port; - int ret; - - ret = nvkm_i2c_port_create(parent, engine, oclass, index, - &nvkm_i2c_bit_algo, &nv04_i2c_func, &port); - *pobject = nv_object(port); - if (ret) - return ret; - - port->drive = info->drive; - port->sense = info->sense; - return 0; + return nvkm_i2c_new_(&nv04_i2c, device, index, pi2c); } - -static struct nvkm_oclass -nv04_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NV04_BIT), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = nv04_i2c_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = _nvkm_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - {} -}; - -struct nvkm_oclass * -nv04_i2c_oclass = &(struct nvkm_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0x04), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_ctor, - .dtor = _nvkm_i2c_dtor, - .init = _nvkm_i2c_init, - .fini = _nvkm_i2c_fini, - }, - .sclass = nv04_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, -}.base; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv4e.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv4e.c index 046fe5e2ea19..6b762f7cee9e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv4e.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv4e.c @@ -22,99 +22,15 @@ * Authors: Ben Skeggs */ #include "priv.h" - -#include <subdev/vga.h> - -struct nv4e_i2c_priv { - struct nvkm_i2c base; -}; - -struct nv4e_i2c_port { - struct nvkm_i2c_port base; - u32 addr; -}; - -static void -nv4e_i2c_drive_scl(struct nvkm_i2c_port *base, int state) -{ - struct nv4e_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv4e_i2c_port *port = (void *)base; - nv_mask(priv, port->addr, 0x2f, state ? 0x21 : 0x01); -} - -static void -nv4e_i2c_drive_sda(struct nvkm_i2c_port *base, int state) -{ - struct nv4e_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv4e_i2c_port *port = (void *)base; - nv_mask(priv, port->addr, 0x1f, state ? 0x11 : 0x01); -} - -static int -nv4e_i2c_sense_scl(struct nvkm_i2c_port *base) -{ - struct nv4e_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv4e_i2c_port *port = (void *)base; - return !!(nv_rd32(priv, port->addr) & 0x00040000); -} - -static int -nv4e_i2c_sense_sda(struct nvkm_i2c_port *base) -{ - struct nv4e_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv4e_i2c_port *port = (void *)base; - return !!(nv_rd32(priv, port->addr) & 0x00080000); -} +#include "pad.h" static const struct nvkm_i2c_func -nv4e_i2c_func = { - .drive_scl = nv4e_i2c_drive_scl, - .drive_sda = nv4e_i2c_drive_sda, - .sense_scl = nv4e_i2c_sense_scl, - .sense_sda = nv4e_i2c_sense_sda, +nv4e_i2c = { + .pad_x_new = nv4e_i2c_pad_new, }; -static int -nv4e_i2c_port_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) +int +nv4e_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) { - struct dcb_i2c_entry *info = data; - struct nv4e_i2c_port *port; - int ret; - - ret = nvkm_i2c_port_create(parent, engine, oclass, index, - &nvkm_i2c_bit_algo, &nv4e_i2c_func, &port); - *pobject = nv_object(port); - if (ret) - return ret; - - port->addr = 0x600800 + info->drive; - return 0; + return nvkm_i2c_new_(&nv4e_i2c, device, index, pi2c); } - -static struct nvkm_oclass -nv4e_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NV4E_BIT), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = nv4e_i2c_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = _nvkm_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - {} -}; - -struct nvkm_oclass * -nv4e_i2c_oclass = &(struct nvkm_i2c_impl) { - .base.handle = NV_SUBDEV(I2C, 0x4e), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_ctor, - .dtor = _nvkm_i2c_dtor, - .init = _nvkm_i2c_init, - .fini = _nvkm_i2c_fini, - }, - .sclass = nv4e_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, -}.base; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.c index fba5b26a5682..75640ab97d6a 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; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.h deleted file mode 100644 index b3139e721b02..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv50.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef __NV50_I2C_H__ -#define __NV50_I2C_H__ -#include "priv.h" - -struct nv50_i2c_priv { - struct nvkm_i2c base; -}; - -struct nv50_i2c_port { - struct nvkm_i2c_port base; - u32 addr; - u32 state; -}; - -extern const u32 nv50_i2c_addr[]; -extern const int nv50_i2c_addr_nr; -int nv50_i2c_port_init(struct nvkm_object *); -int nv50_i2c_sense_scl(struct nvkm_i2c_port *); -int nv50_i2c_sense_sda(struct nvkm_i2c_port *); -void nv50_i2c_drive_scl(struct nvkm_i2c_port *, int state); -void nv50_i2c_drive_sda(struct nvkm_i2c_port *, int state); - -int g94_aux_port_ctor(struct nvkm_object *, struct nvkm_object *, - struct nvkm_oclass *, void *, u32, - struct nvkm_object **); -void g94_i2c_acquire(struct nvkm_i2c_port *); -void g94_i2c_release(struct nvkm_i2c_port *); - -int gf110_i2c_port_ctor(struct nvkm_object *, struct nvkm_object *, - struct nvkm_oclass *, void *, u32, - struct nvkm_object **); -#endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.c index a242eeb67829..2c5fcb9c504b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.c @@ -1,5 +1,5 @@ /* - * Copyright 2014 Red Hat Inc. + * Copyright 2015 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"), @@ -19,65 +19,98 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * - * Authors: Ben Skeggs + * Authors: Ben Skeggs <[email protected]> */ #include "pad.h" -int -_nvkm_i2c_pad_fini(struct nvkm_object *object, bool suspend) +static void +nvkm_i2c_pad_mode_locked(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode) { - struct nvkm_i2c_pad *pad = (void *)object; - DBG("-> NULL\n"); - pad->port = NULL; - return nvkm_object_fini(&pad->base, suspend); + PAD_TRACE(pad, "-> %s", (mode == NVKM_I2C_PAD_AUX) ? "aux" : + (mode == NVKM_I2C_PAD_I2C) ? "i2c" : "off"); + if (pad->func->mode) + pad->func->mode(pad, mode); } -int -_nvkm_i2c_pad_init(struct nvkm_object *object) +void +nvkm_i2c_pad_mode(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode) { - struct nvkm_i2c_pad *pad = (void *)object; - DBG("-> PORT:%02x\n", pad->next->index); - pad->port = pad->next; - return nvkm_object_init(&pad->base); + PAD_TRACE(pad, "mode %d", mode); + mutex_lock(&pad->mutex); + nvkm_i2c_pad_mode_locked(pad, mode); + pad->mode = mode; + mutex_unlock(&pad->mutex); } -int -nvkm_i2c_pad_create_(struct nvkm_object *parent, - struct nvkm_object *engine, - struct nvkm_oclass *oclass, int index, - int size, void **pobject) +void +nvkm_i2c_pad_release(struct nvkm_i2c_pad *pad) { - struct nvkm_i2c *i2c = nvkm_i2c(parent); - struct nvkm_i2c_port *port; - struct nvkm_i2c_pad *pad; - int ret; + PAD_TRACE(pad, "release"); + if (pad->mode == NVKM_I2C_PAD_OFF) + nvkm_i2c_pad_mode_locked(pad, pad->mode); + mutex_unlock(&pad->mutex); +} - 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; +int +nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode) +{ + PAD_TRACE(pad, "acquire"); + mutex_lock(&pad->mutex); + if (pad->mode != mode) { + if (pad->mode != NVKM_I2C_PAD_OFF) { + mutex_unlock(&pad->mutex); + return -EBUSY; } + nvkm_i2c_pad_mode_locked(pad, mode); } + return 0; +} + +void +nvkm_i2c_pad_fini(struct nvkm_i2c_pad *pad) +{ + PAD_TRACE(pad, "fini"); + nvkm_i2c_pad_mode_locked(pad, NVKM_I2C_PAD_OFF); +} - ret = nvkm_object_create_(parent, engine, oclass, 0, size, pobject); - pad = *pobject; - if (ret) - return ret; +void +nvkm_i2c_pad_init(struct nvkm_i2c_pad *pad) +{ + PAD_TRACE(pad, "init"); + nvkm_i2c_pad_mode_locked(pad, pad->mode); +} - pad->index = index; - return 0; +void +nvkm_i2c_pad_del(struct nvkm_i2c_pad **ppad) +{ + struct nvkm_i2c_pad *pad = *ppad; + if (pad) { + PAD_TRACE(pad, "dtor"); + list_del(&pad->head); + kfree(pad); + pad = NULL; + } +} + +void +nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *func, struct nvkm_i2c *i2c, + int id, struct nvkm_i2c_pad *pad) +{ + pad->func = func; + pad->i2c = i2c; + pad->id = id; + pad->mode = NVKM_I2C_PAD_OFF; + mutex_init(&pad->mutex); + list_add_tail(&pad->head, &i2c->pad); + PAD_TRACE(pad, "ctor"); } int -_nvkm_i2c_pad_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) +nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *func, struct nvkm_i2c *i2c, + int id, struct nvkm_i2c_pad **ppad) { - struct nvkm_i2c_pad *pad; - int ret; - ret = nvkm_i2c_pad_create(parent, engine, oclass, index, &pad); - *pobject = nv_object(pad); - return ret; + if (!(*ppad = kzalloc(sizeof(**ppad), GFP_KERNEL))) + return -ENOMEM; + nvkm_i2c_pad_ctor(func, i2c, id, *ppad); + return 0; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h index f3422cc6f8db..9eeb992944c6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h @@ -1,56 +1,67 @@ #ifndef __NVKM_I2C_PAD_H__ #define __NVKM_I2C_PAD_H__ -#include "priv.h" +#include <subdev/i2c.h> struct nvkm_i2c_pad { - struct nvkm_object base; - int index; - struct nvkm_i2c_port *port; - struct nvkm_i2c_port *next; + const struct nvkm_i2c_pad_func *func; + struct nvkm_i2c *i2c; +#define NVKM_I2C_PAD_HYBRID(n) /* 'n' is hw pad index */ (n) +#define NVKM_I2C_PAD_CCB(n) /* 'n' is ccb index */ ((n) + 0x100) +#define NVKM_I2C_PAD_EXT(n) /* 'n' is dcb external encoder type */ ((n) + 0x200) + int id; + + enum nvkm_i2c_pad_mode { + NVKM_I2C_PAD_OFF, + NVKM_I2C_PAD_I2C, + NVKM_I2C_PAD_AUX, + } mode; + struct mutex mutex; + struct list_head head; +}; + +struct nvkm_i2c_pad_func { + int (*bus_new_0)(struct nvkm_i2c_pad *, int id, u8 drive, u8 sense, + struct nvkm_i2c_bus **); + int (*bus_new_4)(struct nvkm_i2c_pad *, int id, u8 drive, + struct nvkm_i2c_bus **); + + int (*aux_new_6)(struct nvkm_i2c_pad *, int id, u8 drive, + struct nvkm_i2c_aux **); + + void (*mode)(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); }; -static inline struct nvkm_i2c_pad * -nvkm_i2c_pad(struct nvkm_i2c_port *port) -{ - struct nvkm_object *pad = nv_object(port); - while (!nv_iclass(pad->parent, NV_SUBDEV_CLASS)) - 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 nvkm_object *, struct nvkm_object *, - struct nvkm_oclass *, int index, int, void **); - -int _nvkm_i2c_pad_ctor(struct nvkm_object *, struct nvkm_object *, - struct nvkm_oclass *, void *, u32, - struct nvkm_object **); -#define _nvkm_i2c_pad_dtor nvkm_object_destroy -int _nvkm_i2c_pad_init(struct nvkm_object *); -int _nvkm_i2c_pad_fini(struct nvkm_object *, bool); - -#ifndef MSG -#define MSG(l,f,a...) do { \ - struct nvkm_i2c_pad *_pad = (void *)pad; \ - nv_##l(_pad, "PAD:%c:%02x: "f, \ - _pad->index >= 0x100 ? 'X' : 'S', \ - _pad->index >= 0x100 ? _pad->index - 0x100 : _pad->index, ##a); \ +void nvkm_i2c_pad_ctor(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *, + int id, struct nvkm_i2c_pad *); +int nvkm_i2c_pad_new_(const struct nvkm_i2c_pad_func *, struct nvkm_i2c *, + int id, struct nvkm_i2c_pad **); +void nvkm_i2c_pad_del(struct nvkm_i2c_pad **); +void nvkm_i2c_pad_init(struct nvkm_i2c_pad *); +void nvkm_i2c_pad_fini(struct nvkm_i2c_pad *); +void nvkm_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); +int nvkm_i2c_pad_acquire(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); +void nvkm_i2c_pad_release(struct nvkm_i2c_pad *); + +void g94_i2c_pad_mode(struct nvkm_i2c_pad *, enum nvkm_i2c_pad_mode); + +int nv04_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); +int nv4e_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); +int nv50_i2c_pad_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); +int g94_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); +int gf119_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); +int gm204_i2c_pad_x_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); + +int g94_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); +int gf119_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); +int gm204_i2c_pad_s_new(struct nvkm_i2c *, int, struct nvkm_i2c_pad **); + +int anx9805_pad_new(struct nvkm_i2c_bus *, int, u8, struct nvkm_i2c_pad **); + +#define PAD_MSG(p,l,f,a...) do { \ + struct nvkm_i2c_pad *_pad = (p); \ + nvkm_##l(&_pad->i2c->subdev, "pad %04x: "f"\n", _pad->id, ##a); \ } while(0) -#define DBG(f,a...) MSG(debug, f, ##a) -#define ERR(f,a...) MSG(error, f, ##a) -#endif +#define PAD_ERR(p,f,a...) PAD_MSG((p), error, f, ##a) +#define PAD_DBG(p,f,a...) PAD_MSG((p), debug, f, ##a) +#define PAD_TRACE(p,f,a...) PAD_MSG((p), trace, f, ##a) #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padg94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padg94.c index e9832f7a7e38..5904bc5f2d2a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padg94.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padg94.c @@ -22,64 +22,55 @@ * Authors: Ben Skeggs */ #include "pad.h" +#include "aux.h" +#include "bus.h" -struct g94_i2c_pad { - struct nvkm_i2c_pad base; - int addr; -}; - -static int -g94_i2c_pad_fini(struct nvkm_object *object, bool suspend) -{ - struct nvkm_i2c *i2c = (void *)nvkm_i2c(object); - struct g94_i2c_pad *pad = (void *)object; - nv_mask(i2c, 0x00e50c + pad->addr, 0x00000001, 0x00000001); - return nvkm_i2c_pad_fini(&pad->base, suspend); -} - -static int -g94_i2c_pad_init(struct nvkm_object *object) +void +g94_i2c_pad_mode(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode) { - struct nvkm_i2c *i2c = (void *)nvkm_i2c(object); - struct g94_i2c_pad *pad = (void *)object; + struct nvkm_subdev *subdev = &pad->i2c->subdev; + struct nvkm_device *device = subdev->device; + const u32 base = (pad->id - NVKM_I2C_PAD_HYBRID(0)) * 0x50; - switch (nv_oclass(pad->base.next)->handle) { - case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX): - nv_mask(i2c, 0x00e500 + pad->addr, 0x0000c003, 0x00000002); + switch (mode) { + case NVKM_I2C_PAD_OFF: + nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000001); + break; + case NVKM_I2C_PAD_I2C: + nvkm_mask(device, 0x00e500 + base, 0x0000c003, 0x0000c001); + nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000000); + break; + case NVKM_I2C_PAD_AUX: + nvkm_mask(device, 0x00e500 + base, 0x0000c003, 0x00000002); + nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000000); break; - case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT): default: - nv_mask(i2c, 0x00e500 + pad->addr, 0x0000c003, 0x0000c001); + WARN_ON(1); break; } - - nv_mask(i2c, 0x00e50c + pad->addr, 0x00000001, 0x00000000); - return nvkm_i2c_pad_init(&pad->base); } -static int -g94_i2c_pad_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) -{ - struct g94_i2c_pad *pad; - int ret; - - ret = nvkm_i2c_pad_create(parent, engine, oclass, index, &pad); - *pobject = nv_object(pad); - if (ret) - return ret; +static const struct nvkm_i2c_pad_func +g94_i2c_pad_s_func = { + .bus_new_4 = nv50_i2c_bus_new, + .aux_new_6 = g94_i2c_aux_new, + .mode = g94_i2c_pad_mode, +}; - pad->addr = index * 0x50;; - return 0; +int +g94_i2c_pad_s_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&g94_i2c_pad_s_func, i2c, id, ppad); } -struct nvkm_oclass -g94_i2c_pad_oclass = { - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = g94_i2c_pad_ctor, - .dtor = _nvkm_i2c_pad_dtor, - .init = g94_i2c_pad_init, - .fini = g94_i2c_pad_fini, - }, +static const struct nvkm_i2c_pad_func +g94_i2c_pad_x_func = { + .bus_new_4 = nv50_i2c_bus_new, + .aux_new_6 = g94_i2c_aux_new, }; + +int +g94_i2c_pad_x_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&g94_i2c_pad_x_func, i2c, id, ppad); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c new file mode 100644 index 000000000000..d53212f1aa52 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c @@ -0,0 +1,51 @@ +/* + * 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" +#include "aux.h" +#include "bus.h" + +static const struct nvkm_i2c_pad_func +gf119_i2c_pad_s_func = { + .bus_new_4 = gf119_i2c_bus_new, + .aux_new_6 = g94_i2c_aux_new, + .mode = g94_i2c_pad_mode, +}; + +int +gf119_i2c_pad_s_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&gf119_i2c_pad_s_func, i2c, id, ppad); +} + +static const struct nvkm_i2c_pad_func +gf119_i2c_pad_x_func = { + .bus_new_4 = gf119_i2c_bus_new, + .aux_new_6 = g94_i2c_aux_new, +}; + +int +gf119_i2c_pad_x_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&gf119_i2c_pad_x_func, i2c, id, ppad); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm204.c index be590405444d..24a4d760c67b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm204.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgm204.c @@ -22,64 +22,55 @@ * Authors: Ben Skeggs */ #include "pad.h" +#include "aux.h" +#include "bus.h" -struct gm204_i2c_pad { - struct nvkm_i2c_pad base; - int addr; -}; - -static int -gm204_i2c_pad_fini(struct nvkm_object *object, bool suspend) -{ - struct nvkm_i2c *i2c = (void *)nvkm_i2c(object); - struct gm204_i2c_pad *pad = (void *)object; - nv_mask(i2c, 0x00d97c + pad->addr, 0x00000001, 0x00000001); - return nvkm_i2c_pad_fini(&pad->base, suspend); -} - -static int -gm204_i2c_pad_init(struct nvkm_object *object) +static void +gm204_i2c_pad_mode(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode) { - struct nvkm_i2c *i2c = (void *)nvkm_i2c(object); - struct gm204_i2c_pad *pad = (void *)object; + struct nvkm_subdev *subdev = &pad->i2c->subdev; + struct nvkm_device *device = subdev->device; + const u32 base = (pad->id - NVKM_I2C_PAD_HYBRID(0)) * 0x50; - switch (nv_oclass(pad->base.next)->handle) { - case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX): - nv_mask(i2c, 0x00d970 + pad->addr, 0x0000c003, 0x00000002); + switch (mode) { + case NVKM_I2C_PAD_OFF: + nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000001); + break; + case NVKM_I2C_PAD_I2C: + nvkm_mask(device, 0x00d970 + base, 0x0000c003, 0x0000c001); + nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000000); + break; + case NVKM_I2C_PAD_AUX: + nvkm_mask(device, 0x00d970 + base, 0x0000c003, 0x00000002); + nvkm_mask(device, 0x00d97c + base, 0x00000001, 0x00000000); break; - case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT): default: - nv_mask(i2c, 0x00d970 + pad->addr, 0x0000c003, 0x0000c001); + WARN_ON(1); break; } - - nv_mask(i2c, 0x00d97c + pad->addr, 0x00000001, 0x00000000); - return nvkm_i2c_pad_init(&pad->base); } -static int -gm204_i2c_pad_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) -{ - struct gm204_i2c_pad *pad; - int ret; - - ret = nvkm_i2c_pad_create(parent, engine, oclass, index, &pad); - *pobject = nv_object(pad); - if (ret) - return ret; +static const struct nvkm_i2c_pad_func +gm204_i2c_pad_s_func = { + .bus_new_4 = gf119_i2c_bus_new, + .aux_new_6 = gm204_i2c_aux_new, + .mode = gm204_i2c_pad_mode, +}; - pad->addr = index * 0x50;; - return 0; +int +gm204_i2c_pad_s_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&gm204_i2c_pad_s_func, i2c, id, ppad); } -struct nvkm_oclass -gm204_i2c_pad_oclass = { - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = gm204_i2c_pad_ctor, - .dtor = _nvkm_i2c_pad_dtor, - .init = gm204_i2c_pad_init, - .fini = gm204_i2c_pad_fini, - }, +static const struct nvkm_i2c_pad_func +gm204_i2c_pad_x_func = { + .bus_new_4 = gf119_i2c_bus_new, + .aux_new_6 = gm204_i2c_aux_new, }; + +int +gm204_i2c_pad_x_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&gm204_i2c_pad_x_func, i2c, id, ppad); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv04.c index 22c7daaad3a0..310046ad9c61 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv04.c @@ -22,13 +22,15 @@ * Authors: Ben Skeggs */ #include "pad.h" +#include "bus.h" -struct nvkm_oclass -nv04_i2c_pad_oclass = { - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = _nvkm_i2c_pad_ctor, - .dtor = _nvkm_i2c_pad_dtor, - .init = _nvkm_i2c_pad_init, - .fini = _nvkm_i2c_pad_fini, - }, +static const struct nvkm_i2c_pad_func +nv04_i2c_pad_func = { + .bus_new_0 = nv04_i2c_bus_new, }; + +int +nv04_i2c_pad_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&nv04_i2c_pad_func, i2c, id, ppad); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv4e.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv4e.c new file mode 100644 index 000000000000..dda6fc0b089d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv4e.c @@ -0,0 +1,36 @@ +/* + * 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" +#include "bus.h" + +static const struct nvkm_i2c_pad_func +nv4e_i2c_pad_func = { + .bus_new_4 = nv4e_i2c_bus_new, +}; + +int +nv4e_i2c_pad_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&nv4e_i2c_pad_func, i2c, id, ppad); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv50.c new file mode 100644 index 000000000000..a03f25b1914f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padnv50.c @@ -0,0 +1,36 @@ +/* + * 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" +#include "bus.h" + +static const struct nvkm_i2c_pad_func +nv50_i2c_pad_func = { + .bus_new_4 = nv50_i2c_bus_new, +}; + +int +nv50_i2c_pad_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) +{ + return nvkm_i2c_pad_new_(&nv50_i2c_pad_func, i2c, id, ppad); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/port.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/port.h deleted file mode 100644 index 586f53dad813..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/port.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef __NVKM_I2C_PORT_H__ -#define __NVKM_I2C_PORT_H__ -#include "priv.h" - -#ifndef MSG -#define MSG(l,f,a...) do { \ - struct nvkm_i2c_port *_port = (void *)port; \ - nv_##l(_port, "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/nvkm/subdev/i2c/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h index 6586e1567fcf..bf655a66ef40 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h @@ -1,69 +1,14 @@ #ifndef __NVKM_I2C_PRIV_H__ #define __NVKM_I2C_PRIV_H__ +#define nvkm_i2c(p) container_of((p), struct nvkm_i2c, subdev) #include <subdev/i2c.h> -extern struct nvkm_oclass nv04_i2c_pad_oclass; -extern struct nvkm_oclass g94_i2c_pad_oclass; -extern struct nvkm_oclass gm204_i2c_pad_oclass; +int nvkm_i2c_new_(const struct nvkm_i2c_func *, struct nvkm_device *, + int index, struct nvkm_i2c **); -#define nvkm_i2c_port_create(p,e,o,i,a,f,d) \ - nvkm_i2c_port_create_((p), (e), (o), (i), (a), (f), \ - sizeof(**d), (void **)d) -#define nvkm_i2c_port_destroy(p) ({ \ - struct nvkm_i2c_port *port = (p); \ - _nvkm_i2c_port_dtor(nv_object(i2c)); \ -}) -#define nvkm_i2c_port_init(p) \ - nvkm_object_init(&(p)->base) -#define nvkm_i2c_port_fini(p,s) \ - nvkm_object_fini(&(p)->base, (s)) - -int nvkm_i2c_port_create_(struct nvkm_object *, struct nvkm_object *, - struct nvkm_oclass *, u8, - const struct i2c_algorithm *, - const struct nvkm_i2c_func *, - int, void **); -void _nvkm_i2c_port_dtor(struct nvkm_object *); -#define _nvkm_i2c_port_init nvkm_object_init -int _nvkm_i2c_port_fini(struct nvkm_object *, bool); - -#define nvkm_i2c_create(p,e,o,d) \ - nvkm_i2c_create_((p), (e), (o), sizeof(**d), (void **)d) -#define nvkm_i2c_destroy(p) ({ \ - struct nvkm_i2c *i2c = (p); \ - _nvkm_i2c_dtor(nv_object(i2c)); \ -}) -#define nvkm_i2c_init(p) ({ \ - struct nvkm_i2c *i2c = (p); \ - _nvkm_i2c_init(nv_object(i2c)); \ -}) -#define nvkm_i2c_fini(p,s) ({ \ - struct nvkm_i2c *i2c = (p); \ - _nvkm_i2c_fini(nv_object(i2c), (s)); \ -}) - -int nvkm_i2c_create_(struct nvkm_object *, struct nvkm_object *, - struct nvkm_oclass *, int, void **); -int _nvkm_i2c_ctor(struct nvkm_object *, struct nvkm_object *, - struct nvkm_oclass *, void *, u32, - struct nvkm_object **); -void _nvkm_i2c_dtor(struct nvkm_object *); -int _nvkm_i2c_init(struct nvkm_object *); -int _nvkm_i2c_fini(struct nvkm_object *, bool); - -extern struct nvkm_oclass nvkm_anx9805_sclass[]; -extern struct nvkm_oclass gf110_i2c_sclass[]; - -extern const struct i2c_algorithm nvkm_i2c_bit_algo; -extern const struct i2c_algorithm nvkm_i2c_aux_algo; - -struct nvkm_i2c_impl { - struct nvkm_oclass base; - - /* supported i2c port classes */ - struct nvkm_oclass *sclass; - struct nvkm_oclass *pad_x; - struct nvkm_oclass *pad_s; +struct nvkm_i2c_func { + int (*pad_x_new)(struct nvkm_i2c *, int id, struct nvkm_i2c_pad **); + int (*pad_s_new)(struct nvkm_i2c *, int id, struct nvkm_i2c_pad **); /* number of native dp aux channels present */ int aux; |