aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/anx9805.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2015-09-04 15:49:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-04 15:49:32 -0700
commitf377ea88b862bf7151be96d276f4cb740f8e1c41 (patch)
tree6205913431c012e285316281b6221a20d4a92128 /drivers/gpu/drm/nouveau/nvkm/subdev/i2c/anx9805.c
parent51e771c0d25b43d0f12b2c7c01939942becbbe28 (diff)
parent73bf1b7be7aab60d7c651402441dd0b0b4991098 (diff)
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "This is the main pull request for the drm for 4.3. Nouveau is probably the biggest amount of changes in here, since it missed 4.2. Highlights below, along with the usual bunch of fixes. All stuff outside drm should have applicable acks. Highlights: - new drivers: freescale dcu kms driver - core: more atomic fixes disable some dri1 interfaces on kms drivers drop fb panic handling, this was just getting more broken, as more locking was required. new core fbdev Kconfig support - instead of each driver enable/disabling it struct_mutex cleanups - panel: more new panels cleanup Kconfig - i915: Skylake support enabled by default legacy modesetting using atomic infrastructure Skylake fixes GEN9 workarounds - amdgpu: Fiji support CGS support for amdgpu Initial GPU scheduler - off by default Lots of bug fixes and optimisations. - radeon: DP fixes misc fixes - amdkfd: Add Carrizo support for amdkfd using amdgpu. - nouveau: long pending cleanup to complete driver, fully bisectable which makes it larger, perfmon work more reclocking improvements maxwell displayport fixes - vmwgfx: new DX device support, supports OpenGL 3.3 screen targets support - mgag200: G200eW support G200e new revision support - msm: dragonboard 410c support, msm8x94 support, msm8x74v1 support yuv format support dma plane support mdp5 rotation initial hdcp - sti: atomic support - exynos: lots of cleanups atomic modesetting/pageflipping support render node support - tegra: tegra210 support (dc, dsi, dp/hdmi) dpms with atomic modesetting support - atmel: support for 3 more atmel SoCs new input formats, PRIME support. - dwhdmi: preparing to add audio support - rockchip: yuv plane support" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1369 commits) drm/amdgpu: rename gmc_v8_0_init_compute_vmid drm/amdgpu: fix vce3 instance handling drm/amdgpu: remove ib test for the second VCE Ring drm/amdgpu: properly enable VM fault interrupts drm/amdgpu: fix warning in scheduler drm/amdgpu: fix buffer placement under memory pressure drm/amdgpu/cz: fix cz_dpm_update_low_memory_pstate logic drm/amdgpu: fix typo in dce11 watermark setup drm/amdgpu: fix typo in dce10 watermark setup drm/amdgpu: use top down allocation for non-CPU accessible vram drm/amdgpu: be explicit about cpu vram access for driver BOs (v2) drm/amdgpu: set MEC doorbell range for Fiji drm/amdgpu: implement burst NOP for SDMA drm/amdgpu: add insert_nop ring func and default implementation drm/amdgpu: add amdgpu_get_sdma_instance helper function drm/amdgpu: add AMDGPU_MAX_SDMA_INSTANCES drm/amdgpu: add burst_nop flag for sdma drm/amdgpu: add count field for the SDMA NOP packet v2 drm/amdgpu: use PT for VM sync on unmap drm/amdgpu: make wait_event uninterruptible in push_job ...
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/i2c/anx9805.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/i2c/anx9805.c374
1 files changed, 180 insertions, 194 deletions
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 <bskeggs@redhat.com>
*/
-#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;
+}