irqreturn_t
nouveau_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = arg;
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_mc *pmc = nouveau_mc(device);
u32 stat;
stat = nv_rd32(device, 0x000100);
if (stat == 0 || stat == ~0)
return IRQ_NONE;
nv_subdev(pmc)->intr(nv_subdev(pmc));
if (device->card_type >= NV_D0) {
if (nv_rd32(device, 0x000100) & 0x04000000)
nvd0_display_intr(dev);
} else
if (device->card_type >= NV_50) {
if (nv_rd32(device, 0x000100) & 0x04000000)
nv50_display_intr(dev);
}
return IRQ_HANDLED;
}
int
nv04_pm_clocks_set(struct drm_device *dev, void *pre_state)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_timer *ptimer = nouveau_timer(device);
struct nv04_pm_state *state = pre_state;
prog_pll(dev, &state->core);
if (state->memory.pll.reg) {
prog_pll(dev, &state->memory);
if (device->card_type < NV_30) {
if (device->card_type == NV_20)
nv_mask(device, 0x1002c4, 0, 1 << 20);
/* Reset the DLLs */
nv_mask(device, 0x1002c0, 0, 1 << 8);
}
}
nv_ofuncs(ptimer)->init(nv_object(ptimer));
kfree(state);
return 0;
}
static int nouveau_platform_remove(struct platform_device *pdev)
{
struct drm_device *drm_dev = platform_get_drvdata(pdev);
struct nouveau_device *device = nouveau_dev(drm_dev);
struct nouveau_platform_gpu *gpu = nv_device_to_platform(device)->gpu;
nouveau_drm_device_remove(drm_dev);
return nouveau_platform_power_down(gpu);
}
static void
nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
{
struct nouveau_device *device = nouveau_dev(nv_crtc->base.dev);
nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y;
nv_wr32(device, NV50_PDISPLAY_CURSOR_USER_POS(nv_crtc->index),
((y & 0xFFFF) << 16) | (x & 0xFFFF));
/* Needed to make the cursor move. */
nv_wr32(device, NV50_PDISPLAY_CURSOR_USER_POS_CTRL(nv_crtc->index), 0);
}
static void
prog_pll(struct drm_device *dev, struct nv04_pm_clock *clk)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_clock *pclk = nouveau_clock(device);
u32 reg = clk->pll.reg;
/* thank the insane nouveau_hw_setpll() interface for this */
if (device->card_type >= NV_40)
reg += 4;
pclk->pll_prog(pclk, reg, &clk->calc);
}
irqreturn_t
nouveau_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = arg;
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_mc *pmc = nouveau_mc(device);
u32 stat;
stat = nv_rd32(device, 0x000100);
if (stat == 0 || stat == ~0)
return IRQ_NONE;
nv_subdev(pmc)->intr(nv_subdev(pmc));
return IRQ_HANDLED;
}
static unsigned int
nouveau_vga_set_decode(void *priv, bool state)
{
struct nouveau_device *device = nouveau_dev(priv);
if (device->chipset >= 0x40)
nv_wr32(device, 0x088054, state);
else
nv_wr32(device, 0x001854, state);
if (state)
return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
else
return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
}
static void
legacy_perf_init(struct drm_device *dev)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvbios *bios = &drm->vbios;
struct nouveau_pm *pm = nouveau_pm(dev);
char *perf, *entry, *bmp = &bios->data[bios->offset];
int headerlen, use_straps;
if (bmp[5] < 0x5 || bmp[6] < 0x14) {
NV_DEBUG(drm, "BMP version too old for perf\n");
return;
}
perf = ROMPTR(dev, bmp[0x73]);
if (!perf) {
NV_DEBUG(drm, "No memclock table pointer found.\n");
return;
}
switch (perf[0]) {
case 0x12:
case 0x14:
case 0x18:
use_straps = 0;
headerlen = 1;
break;
case 0x01:
use_straps = perf[1] & 1;
headerlen = (use_straps ? 8 : 2);
break;
default:
NV_WARN(drm, "Unknown memclock table version %x.\n", perf[0]);
return;
}
entry = perf + headerlen;
if (use_straps)
entry += (nv_rd32(device, NV_PEXTDEV_BOOT_0) & 0x3c) >> 1;
sprintf(pm->perflvl[0].name, "performance_level_0");
pm->perflvl[0].memory = ROM16(entry[0]) * 20;
pm->nr_perflvl = 1;
}
static int
calc_pll(struct drm_device *dev, u32 id, int khz, struct nv04_pm_clock *clk)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_bios *bios = nouveau_bios(device);
struct nouveau_clock *pclk = nouveau_clock(device);
int ret;
ret = nvbios_pll_parse(bios, id, &clk->pll);
if (ret)
return ret;
ret = pclk->pll_calc(pclk, &clk->pll, khz, &clk->calc);
if (!ret)
return -EINVAL;
return 0;
}
u8 *
nouveau_perf_ramcfg(struct drm_device *dev, u32 freq, u8 *ver, u8 *len)
{
struct nouveau_device *device = nouveau_dev(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvbios *bios = &drm->vbios;
u8 strap, hdr, cnt;
u8 *rammap;
strap = (nv_rd32(device, 0x101000) & 0x0000003c) >> 2;
if (bios->ram_restrict_tbl_ptr)
strap = bios->data[bios->ram_restrict_tbl_ptr + strap];
rammap = nouveau_perf_rammap(dev, freq, ver, &hdr, &cnt, len);
if (rammap && strap < cnt)
return rammap + hdr + (strap * *len);
return NULL;
}
void
nouveau_irq_uninstall(struct drm_device *dev)
{
nv_wr32(nouveau_dev(dev), 0x000140, 0x00000000);
}
int
nouveau_irq_postinstall(struct drm_device *dev)
{
nv_wr32(nouveau_dev(dev), 0x000140, 0x00000001);
return 0;
}
