static void
gk20a_ram_put(struct nouveau_fb *pfb, struct nouveau_mem **pmem)
{
struct gk20a_mem *mem = to_gk20a_mem(*pmem);
*pmem = NULL;
if (unlikely(mem == NULL))
return;
#if defined(__NetBSD__)
if (likely(mem->base.pages)) {
const bus_dma_tag_t dmat = nv_device(pfb)->platformdev->dmat;
bus_dmamap_unload(dmat, mem->base.pages);
bus_dmamem_unmap(dmat, mem->cpuaddr, mem->dmasize);
bus_dmamap_destroy(dmat, mem->base.pages);
bus_dmamem_free(dmat, &mem->dmaseg, 1);
}
#else
struct device *dev = nv_device_base(nv_device(pfb));
if (likely(mem->cpuaddr))
dma_free_coherent(dev, mem->base.size << PAGE_SHIFT,
mem->cpuaddr, mem->handle);
kfree(mem->base.pages);
#endif
kfree(mem);
}
int
nouveau_i2c_port_create_(struct nouveau_object *parent,
struct nouveau_object *engine,
struct nouveau_oclass *oclass, u8 index,
const struct i2c_algorithm *algo,
const struct nouveau_i2c_func *func,
int size, void **pobject)
{
struct nouveau_device *device = nv_device(engine);
struct nouveau_i2c *i2c = (void *)engine;
struct nouveau_i2c_port *port;
int ret;
ret = nouveau_object_create_(parent, engine, oclass, 0, size, pobject);
port = *pobject;
if (ret)
return ret;
snprintf(port->adapter.name, sizeof(port->adapter.name),
"nouveau-%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 == &nouveau_i2c_bit_algo &&
!nouveau_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 = nouveau_i2c_pre_xfer;
bit->post_xfer = nouveau_i2c_post_xfer;
bit->setsda = nouveau_i2c_setsda;
bit->setscl = nouveau_i2c_setscl;
bit->getsda = nouveau_i2c_getsda;
bit->getscl = nouveau_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);
}
if (ret == 0)
list_add_tail(&port->head, &i2c->ports);
return ret;
}
static void
gk20a_ram_put(struct nouveau_fb *pfb, struct nouveau_mem **pmem)
{
struct device *dev = nv_device_base(nv_device(pfb));
struct gk20a_mem *mem = to_gk20a_mem(*pmem);
*pmem = NULL;
if (unlikely(mem == NULL))
return;
if (likely(mem->cpuaddr))
dma_free_coherent(dev, mem->base.size << PAGE_SHIFT,
mem->cpuaddr, mem->handle);
kfree(mem->base.pages);
kfree(mem);
}
int
_nouveau_xtensa_init(struct nouveau_object *object)
{
struct nouveau_device *device = nv_device(object);
struct nouveau_xtensa *xtensa = (void *)object;
const struct firmware *fw;
char name[32];
int i, ret;
u32 tmp;
ret = nouveau_engine_init(&xtensa->base);
if (ret)
return ret;
if (!xtensa->gpu_fw) {
snprintf(name, sizeof(name), "nouveau/nv84_xuc%03x",
xtensa->addr >> 12);
ret = request_firmware(&fw, name, nv_device_base(device));
if (ret) {
nv_warn(xtensa, "unable to load firmware %s\n", name);
return ret;
}
if (fw->size > 0x40000) {
nv_warn(xtensa, "firmware %s too large\n", name);
release_firmware(fw);
return -EINVAL;
}
ret = nouveau_gpuobj_new(object, NULL, 0x40000, 0x1000, 0,
&xtensa->gpu_fw);
if (ret) {
release_firmware(fw);
return ret;
}
nv_debug(xtensa, "Loading firmware to address: 0x%"PRIxMAX"\n",
(uintmax_t)xtensa->gpu_fw->addr);
for (i = 0; i < fw->size / 4; i++)
nv_wo32(xtensa->gpu_fw, i * 4, *((u32 *)fw->data + i));
release_firmware(fw);
}
static ssize_t
nouveau_sysfs_pstate_get(struct device *d, struct device_attribute *a, char *b)
{
struct nouveau_sysfs *sysfs = nouveau_sysfs(drm_device(d));
struct nvif_control_pstate_info_v0 info = {};
size_t cnt = PAGE_SIZE;
char *buf = b;
int ret, i;
ret = nvif_mthd(&sysfs->ctrl, NVIF_CONTROL_PSTATE_INFO,
&info, sizeof(info));
if (ret)
return ret;
for (i = 0; i < info.count + 1; i++) {
const s32 state = i < info.count ? i :
NVIF_CONTROL_PSTATE_ATTR_V0_STATE_CURRENT;
struct nvif_control_pstate_attr_v0 attr = {
.state = state,
.index = 0,
};
ret = nvif_mthd(&sysfs->ctrl, NVIF_CONTROL_PSTATE_ATTR,
&attr, sizeof(attr));
if (ret)
return ret;
if (i < info.count)
snappendf(buf, cnt, "%02x:", attr.state);
else
snappendf(buf, cnt, "%s:", info.pwrsrc == 0 ? "DC" :
info.pwrsrc == 1 ? "AC" :
"--");
attr.index = 0;
do {
attr.state = state;
ret = nvif_mthd(&sysfs->ctrl,
NVIF_CONTROL_PSTATE_ATTR,
&attr, sizeof(attr));
if (ret)
return ret;
snappendf(buf, cnt, " %s %d", attr.name, attr.min);
if (attr.min != attr.max)
snappendf(buf, cnt, "-%d", attr.max);
snappendf(buf, cnt, " %s", attr.unit);
} while (attr.index);
if (state >= 0) {
if (info.ustate_ac == state)
snappendf(buf, cnt, " AC");
if (info.ustate_dc == state)
snappendf(buf, cnt, " DC");
if (info.pstate == state)
snappendf(buf, cnt, " *");
} else {
if (info.ustate_ac < -1)
snappendf(buf, cnt, " AC");
if (info.ustate_dc < -1)
snappendf(buf, cnt, " DC");
}
snappendf(buf, cnt, "\n");
}
return strlen(b);
}
static ssize_t
nouveau_sysfs_pstate_set(struct device *d, struct device_attribute *a,
const char *buf, size_t count)
{
struct nouveau_sysfs *sysfs = nouveau_sysfs(drm_device(d));
struct nvif_control_pstate_user_v0 args = { .pwrsrc = -EINVAL };
long value, ret;
char *tmp;
if ((tmp = strchr(buf, '\n')))
*tmp = '\0';
if (!strncasecmp(buf, "dc:", 3)) {
args.pwrsrc = 0;
buf += 3;
} else
if (!strncasecmp(buf, "ac:", 3)) {
args.pwrsrc = 1;
buf += 3;
}
if (!strcasecmp(buf, "none"))
args.ustate = NVIF_CONTROL_PSTATE_USER_V0_STATE_UNKNOWN;
else
if (!strcasecmp(buf, "auto"))
args.ustate = NVIF_CONTROL_PSTATE_USER_V0_STATE_PERFMON;
else {
ret = kstrtol(buf, 16, &value);
if (ret)
return ret;
args.ustate = value;
}
ret = nvif_mthd(&sysfs->ctrl, NVIF_CONTROL_PSTATE_USER,
&args, sizeof(args));
if (ret < 0)
return ret;
return count;
}
static DEVICE_ATTR(pstate, S_IRUGO | S_IWUSR,
nouveau_sysfs_pstate_get, nouveau_sysfs_pstate_set);
void
nouveau_sysfs_fini(struct drm_device *dev)
{
struct nouveau_sysfs *sysfs = nouveau_sysfs(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &drm->device;
if (sysfs && sysfs->ctrl.priv) {
device_remove_file(nv_device_base(nvkm_device(device)), &dev_attr_pstate);
nvif_object_fini(&sysfs->ctrl);
}
drm->sysfs = NULL;
kfree(sysfs);
}
int
nouveau_sysfs_init(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &drm->device;
struct nouveau_sysfs *sysfs;
int ret;
if (!nouveau_pstate)
return 0;
sysfs = drm->sysfs = kzalloc(sizeof(*sysfs), GFP_KERNEL);
if (!sysfs)
return -ENOMEM;
ret = nvif_object_init(nvif_object(device), NULL, NVDRM_CONTROL,
NVIF_IOCTL_NEW_V0_CONTROL, NULL, 0,
&sysfs->ctrl);
if (ret == 0)
device_create_file(nv_device_base(nvkm_device(device)), &dev_attr_pstate);
return 0;
}
static int
gk20a_ram_get(struct nouveau_fb *pfb, u64 size, u32 align, u32 ncmin,
u32 memtype, struct nouveau_mem **pmem)
{
#if !defined(__NetBSD__)
struct device *dev = nv_device_base(nv_device(pfb));
int i;
#endif
struct gk20a_mem *mem;
u32 type = memtype & 0xff;
u32 npages, order;
nv_debug(pfb, "%s: size: %llx align: %x, ncmin: %x\n", __func__,
(unsigned long long)size, align, ncmin);
npages = size >> PAGE_SHIFT;
if (npages == 0)
npages = 1;
if (align == 0)
align = PAGE_SIZE;
align >>= PAGE_SHIFT;
/* round alignment to the next power of 2, if needed */
#if defined(__NetBSD__)
order = fls32(align);
#else
order = fls(align);
#endif
if ((align & (align - 1)) == 0)
order--;
align = BIT(order);
/* ensure returned address is correctly aligned */
npages = max(align, npages);
mem = kzalloc(sizeof(*mem), GFP_KERNEL);
if (!mem)
return -ENOMEM;
mem->base.size = npages;
mem->base.memtype = type;
#if defined(__NetBSD__)
int ret, nsegs;
if (align == 0)
align = PAGE_SIZE;
const bus_dma_tag_t dmat = nv_device(pfb)->platformdev->dmat;
const bus_size_t dmasize = npages << PAGE_SHIFT;
ret = -bus_dmamem_alloc(dmat, dmasize, align, 0,
&mem->dmaseg, 1, &nsegs, BUS_DMA_WAITOK);
if (ret) {
fail0: kfree(mem);
return ret;
}
KASSERT(nsegs == 1);
ret = -bus_dmamap_create(dmat, dmasize, nsegs, dmasize, 0,
BUS_DMA_WAITOK, &mem->base.pages);
if (ret) {
fail1: bus_dmamem_free(dmat, &mem->dmaseg, nsegs);
goto fail0;
}
ret = -bus_dmamem_map(dmat, &mem->dmaseg, nsegs, dmasize,
&mem->cpuaddr, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
if (ret) {
fail2: bus_dmamap_destroy(dmat, mem->base.pages);
goto fail1;
}
memset(mem->cpuaddr, 0, dmasize);
ret = -bus_dmamap_load(dmat, mem->base.pages, mem->cpuaddr,
dmasize, NULL, BUS_DMA_WAITOK);
if (ret) {
fail3: __unused bus_dmamem_unmap(dmat, mem->cpuaddr, dmasize);
goto fail2;
}
nv_debug(pfb, "alloc size: 0x%x, align: 0x%x, paddr: %"PRIxPADDR
", vaddr: %p\n", npages << PAGE_SHIFT, align,
mem->base.pages->dm_segs[0].ds_addr, mem->cpuaddr);
mem->dmasize = dmasize;
mem->base.offset = (u64)mem->base.pages->dm_segs[0].ds_addr;
*pmem = &mem->base;
#else
mem->base.pages = kzalloc(sizeof(dma_addr_t) * npages, GFP_KERNEL);
if (!mem->base.pages) {
kfree(mem);
return -ENOMEM;
}
*pmem = &mem->base;
mem->cpuaddr = dma_alloc_coherent(dev, npages << PAGE_SHIFT,
&mem->handle, GFP_KERNEL);
if (!mem->cpuaddr) {
nv_error(pfb, "%s: cannot allocate memory!\n", __func__);
gk20a_ram_put(pfb, pmem);
return -ENOMEM;
}
align <<= PAGE_SHIFT;
/* alignment check */
if (unlikely(mem->handle & (align - 1)))
nv_warn(pfb, "memory not aligned as requested: %pad (0x%x)\n",
&mem->handle, align);
nv_debug(pfb, "alloc size: 0x%x, align: 0x%x, paddr: %pad, vaddr: %p\n",
npages << PAGE_SHIFT, align, &mem->handle, mem->cpuaddr);
for (i = 0; i < npages; i++)
mem->base.pages[i] = mem->handle + (PAGE_SIZE * i);
mem->base.offset = (u64)mem->base.pages[0];
#endif
return 0;
}
static int
gk20a_ram_get(struct nouveau_fb *pfb, u64 size, u32 align, u32 ncmin,
u32 memtype, struct nouveau_mem **pmem)
{
struct device *dev = nv_device_base(nv_device(pfb));
struct gk20a_mem *mem;
u32 type = memtype & 0xff;
u32 npages, order;
int i;
nv_debug(pfb, "%s: size: %llx align: %x, ncmin: %x\n", __func__, size,
align, ncmin);
npages = size >> PAGE_SHIFT;
if (npages == 0)
npages = 1;
if (align == 0)
align = PAGE_SIZE;
align >>= PAGE_SHIFT;
/* round alignment to the next power of 2, if needed */
order = fls(align);
if ((align & (align - 1)) == 0)
order--;
align = BIT(order);
/* ensure returned address is correctly aligned */
npages = max(align, npages);
mem = kzalloc(sizeof(*mem), GFP_KERNEL);
if (!mem)
return -ENOMEM;
mem->base.size = npages;
mem->base.memtype = type;
mem->base.pages = kzalloc(sizeof(dma_addr_t) * npages, GFP_KERNEL);
if (!mem->base.pages) {
kfree(mem);
return -ENOMEM;
}
*pmem = &mem->base;
mem->cpuaddr = dma_alloc_coherent(dev, npages << PAGE_SHIFT,
&mem->handle, GFP_KERNEL);
if (!mem->cpuaddr) {
nv_error(pfb, "%s: cannot allocate memory!\n", __func__);
gk20a_ram_put(pfb, pmem);
return -ENOMEM;
}
align <<= PAGE_SHIFT;
/* alignment check */
if (unlikely(mem->handle & (align - 1)))
nv_warn(pfb, "memory not aligned as requested: %pad (0x%x)\n",
&mem->handle, align);
nv_debug(pfb, "alloc size: 0x%x, align: 0x%x, paddr: %pad, vaddr: %p\n",
npages << PAGE_SHIFT, align, &mem->handle, mem->cpuaddr);
for (i = 0; i < npages; i++)
mem->base.pages[i] = mem->handle + (PAGE_SIZE * i);
mem->base.offset = (u64)mem->base.pages[0];
return 0;
}
