diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_dfp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_dfp.c | 623 |
1 files changed, 623 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c new file mode 100644 index 000000000000..483f875bdb6a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -0,0 +1,623 @@ +/* + * Copyright 2003 NVIDIA, Corporation + * Copyright 2006 Dave Airlie + * Copyright 2007 Maarten Maathuis + * Copyright 2007-2009 Stuart Bennett + * + * 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 (including the next + * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. + */ + +#include "drmP.h" +#include "drm_crtc_helper.h" + +#include "nouveau_drv.h" +#include "nouveau_encoder.h" +#include "nouveau_connector.h" +#include "nouveau_crtc.h" +#include "nouveau_hw.h" +#include "nvreg.h" + +#define FP_TG_CONTROL_ON (NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS | \ + NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS | \ + NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS) +#define FP_TG_CONTROL_OFF (NV_PRAMDAC_FP_TG_CONTROL_DISPEN_DISABLE | \ + NV_PRAMDAC_FP_TG_CONTROL_HSYNC_DISABLE | \ + NV_PRAMDAC_FP_TG_CONTROL_VSYNC_DISABLE) + +static inline bool is_fpc_off(uint32_t fpc) +{ + return ((fpc & (FP_TG_CONTROL_ON | FP_TG_CONTROL_OFF)) == + FP_TG_CONTROL_OFF); +} + +int nv04_dfp_get_bound_head(struct drm_device *dev, struct dcb_entry *dcbent) +{ + /* special case of nv_read_tmds to find crtc associated with an output. + * this does not give a correct answer for off-chip dvi, but there's no + * use for such an answer anyway + */ + int ramdac = (dcbent->or & OUTPUT_C) >> 2; + + NVWriteRAMDAC(dev, ramdac, NV_PRAMDAC_FP_TMDS_CONTROL, + NV_PRAMDAC_FP_TMDS_CONTROL_WRITE_DISABLE | 0x4); + return ((NVReadRAMDAC(dev, ramdac, NV_PRAMDAC_FP_TMDS_DATA) & 0x8) >> 3) ^ ramdac; +} + +void nv04_dfp_bind_head(struct drm_device *dev, struct dcb_entry *dcbent, + int head, bool dl) +{ + /* The BIOS scripts don't do this for us, sadly + * Luckily we do know the values ;-) + * + * head < 0 indicates we wish to force a setting with the overrideval + * (for VT restore etc.) + */ + + int ramdac = (dcbent->or & OUTPUT_C) >> 2; + uint8_t tmds04 = 0x80; + + if (head != ramdac) + tmds04 = 0x88; + + if (dcbent->type == OUTPUT_LVDS) + tmds04 |= 0x01; + + nv_write_tmds(dev, dcbent->or, 0, 0x04, tmds04); + + if (dl) /* dual link */ + nv_write_tmds(dev, dcbent->or, 1, 0x04, tmds04 ^ 0x08); +} + +void nv04_dfp_disable(struct drm_device *dev, int head) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv04_crtc_reg *crtcstate = dev_priv->mode_reg.crtc_reg; + + if (NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL) & + FP_TG_CONTROL_ON) { + /* digital remnants must be cleaned before new crtc + * values programmed. delay is time for the vga stuff + * to realise it's in control again + */ + NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL, + FP_TG_CONTROL_OFF); + msleep(50); + } + /* don't inadvertently turn it on when state written later */ + crtcstate[head].fp_control = FP_TG_CONTROL_OFF; +} + +void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; + struct nouveau_crtc *nv_crtc; + uint32_t *fpc; + + if (mode == DRM_MODE_DPMS_ON) { + nv_crtc = nouveau_crtc(encoder->crtc); + fpc = &dev_priv->mode_reg.crtc_reg[nv_crtc->index].fp_control; + + if (is_fpc_off(*fpc)) { + /* using saved value is ok, as (is_digital && dpms_on && + * fp_control==OFF) is (at present) *only* true when + * fpc's most recent change was by below "off" code + */ + *fpc = nv_crtc->dpms_saved_fp_control; + } + + nv_crtc->fp_users |= 1 << nouveau_encoder(encoder)->dcb->index; + NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_FP_TG_CONTROL, *fpc); + } else { + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + nv_crtc = nouveau_crtc(crtc); + fpc = &dev_priv->mode_reg.crtc_reg[nv_crtc->index].fp_control; + + nv_crtc->fp_users &= ~(1 << nouveau_encoder(encoder)->dcb->index); + if (!is_fpc_off(*fpc) && !nv_crtc->fp_users) { + nv_crtc->dpms_saved_fp_control = *fpc; + /* cut the FP output */ + *fpc &= ~FP_TG_CONTROL_ON; + *fpc |= FP_TG_CONTROL_OFF; + NVWriteRAMDAC(dev, nv_crtc->index, + NV_PRAMDAC_FP_TG_CONTROL, *fpc); + } + } + } +} + +static bool nv04_dfp_mode_fixup(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct nouveau_connector *nv_connector = nouveau_encoder_connector_get(nv_encoder); + + /* For internal panels and gpu scaling on DVI we need the native mode */ + if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) { + if (!nv_connector->native_mode) + return false; + nv_encoder->mode = *nv_connector->native_mode; + adjusted_mode->clock = nv_connector->native_mode->clock; + } else { + nv_encoder->mode = *adjusted_mode; + } + + return true; +} + +static void nv04_dfp_prepare_sel_clk(struct drm_device *dev, + struct nouveau_encoder *nv_encoder, int head) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nv04_mode_state *state = &dev_priv->mode_reg; + uint32_t bits1618 = nv_encoder->dcb->or & OUTPUT_A ? 0x10000 : 0x40000; + + if (nv_encoder->dcb->location != DCB_LOC_ON_CHIP) + return; + + /* SEL_CLK is only used on the primary ramdac + * It toggles spread spectrum PLL output and sets the bindings of PLLs + * to heads on digital outputs + */ + if (head) + state->sel_clk |= bits1618; + else + state->sel_clk &= ~bits1618; + + /* nv30: + * bit 0 NVClk spread spectrum on/off + * bit 2 MemClk spread spectrum on/off + * bit 4 PixClk1 spread spectrum on/off toggle + * bit 6 PixClk2 spread spectrum on/off toggle + * + * nv40 (observations from bios behaviour and mmio traces): + * bits 4&6 as for nv30 + * bits 5&7 head dependent as for bits 4&6, but do not appear with 4&6; + * maybe a different spread mode + * bits 8&10 seen on dual-link dvi outputs, purpose unknown (set by POST scripts) + * The logic behind turning spread spectrum on/off in the first place, + * and which bit-pair to use, is unclear on nv40 (for earlier cards, the fp table + * entry has the necessary info) + */ + if (nv_encoder->dcb->type == OUTPUT_LVDS && dev_priv->saved_reg.sel_clk & 0xf0) { + int shift = (dev_priv->saved_reg.sel_clk & 0x50) ? 0 : 1; + + state->sel_clk &= ~0xf0; + state->sel_clk |= (head ? 0x40 : 0x10) << shift; + } +} + +static void nv04_dfp_prepare(struct drm_encoder *encoder) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct drm_encoder_helper_funcs *helper = encoder->helper_private; + struct drm_device *dev = encoder->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + int head = nouveau_crtc(encoder->crtc)->index; + struct nv04_crtc_reg *crtcstate = dev_priv->mode_reg.crtc_reg; + uint8_t *cr_lcd = &crtcstate[head].CRTC[NV_CIO_CRE_LCD__INDEX]; + uint8_t *cr_lcd_oth = &crtcstate[head ^ 1].CRTC[NV_CIO_CRE_LCD__INDEX]; + + helper->dpms(encoder, DRM_MODE_DPMS_OFF); + + nv04_dfp_prepare_sel_clk(dev, nv_encoder, head); + + /* Some NV4x have unknown values (0x3f, 0x50, 0x54, 0x6b, 0x79, 0x7f) + * at LCD__INDEX which we don't alter + */ + if (!(*cr_lcd & 0x44)) { + *cr_lcd = 0x3; + + if (nv_two_heads(dev)) { + if (nv_encoder->dcb->location == DCB_LOC_ON_CHIP) + *cr_lcd |= head ? 0x0 : 0x8; + else { + *cr_lcd |= (nv_encoder->dcb->or << 4) & 0x30; + if (nv_encoder->dcb->type == OUTPUT_LVDS) + *cr_lcd |= 0x30; + if ((*cr_lcd & 0x30) == (*cr_lcd_oth & 0x30)) { + /* avoid being connected to both crtcs */ + *cr_lcd_oth &= ~0x30; + NVWriteVgaCrtc(dev, head ^ 1, + NV_CIO_CRE_LCD__INDEX, + *cr_lcd_oth); + } + } + } + } +} + + +static void nv04_dfp_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); + struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index]; + struct nv04_crtc_reg *savep = &dev_priv->saved_reg.crtc_reg[nv_crtc->index]; + struct nouveau_connector *nv_connector = nouveau_crtc_connector_get(nv_crtc); + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct drm_display_mode *output_mode = &nv_encoder->mode; + uint32_t mode_ratio, panel_ratio; + + NV_DEBUG_KMS(dev, "Output mode on CRTC %d:\n", nv_crtc->index); + drm_mode_debug_printmodeline(output_mode); + + /* Initialize the FP registers in this CRTC. */ + regp->fp_horiz_regs[FP_DISPLAY_END] = output_mode->hdisplay - 1; + regp->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1; + if (!nv_gf4_disp_arch(dev) || + (output_mode->hsync_start - output_mode->hdisplay) >= + dev_priv->vbios->digital_min_front_porch) + regp->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay; + else + regp->fp_horiz_regs[FP_CRTC] = output_mode->hsync_start - dev_priv->vbios->digital_min_front_porch - 1; + regp->fp_horiz_regs[FP_SYNC_START] = output_mode->hsync_start - 1; + regp->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1; + regp->fp_horiz_regs[FP_VALID_START] = output_mode->hskew; + regp->fp_horiz_regs[FP_VALID_END] = output_mode->hdisplay - 1; + + regp->fp_vert_regs[FP_DISPLAY_END] = output_mode->vdisplay - 1; + regp->fp_vert_regs[FP_TOTAL] = output_mode->vtotal - 1; + regp->fp_vert_regs[FP_CRTC] = output_mode->vtotal - 5 - 1; + regp->fp_vert_regs[FP_SYNC_START] = output_mode->vsync_start - 1; + regp->fp_vert_regs[FP_SYNC_END] = output_mode->vsync_end - 1; + regp->fp_vert_regs[FP_VALID_START] = 0; + regp->fp_vert_regs[FP_VALID_END] = output_mode->vdisplay - 1; + + /* bit26: a bit seen on some g7x, no as yet discernable purpose */ + regp->fp_control = NV_PRAMDAC_FP_TG_CONTROL_DISPEN_POS | + (savep->fp_control & (1 << 26 | NV_PRAMDAC_FP_TG_CONTROL_READ_PROG)); + /* Deal with vsync/hsync polarity */ + /* LVDS screens do set this, but modes with +ve syncs are very rare */ + if (output_mode->flags & DRM_MODE_FLAG_PVSYNC) + regp->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_VSYNC_POS; + if (output_mode->flags & DRM_MODE_FLAG_PHSYNC) + regp->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_HSYNC_POS; + /* panel scaling first, as native would get set otherwise */ + if (nv_connector->scaling_mode == DRM_MODE_SCALE_NONE || + nv_connector->scaling_mode == DRM_MODE_SCALE_CENTER) /* panel handles it */ + regp->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_MODE_CENTER; + else if (adjusted_mode->hdisplay == output_mode->hdisplay && + adjusted_mode->vdisplay == output_mode->vdisplay) /* native mode */ + regp->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_MODE_NATIVE; + else /* gpu needs to scale */ + regp->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_MODE_SCALE; + if (nvReadEXTDEV(dev, NV_PEXTDEV_BOOT_0) & NV_PEXTDEV_BOOT_0_STRAP_FP_IFACE_12BIT) + regp->fp_control |= NV_PRAMDAC_FP_TG_CONTROL_WIDTH_12; + if (nv_encoder->dcb->location != DCB_LOC_ON_CHIP && + output_mode->clock > 165000) + regp->fp_control |= (2 << 24); + if (nv_encoder->dcb->type == OUTPUT_LVDS) { + bool duallink, dummy; + + nouveau_bios_parse_lvds_table(dev, nv_connector->native_mode-> + clock, &duallink, &dummy); + if (duallink) + regp->fp_control |= (8 << 28); + } else + if (output_mode->clock > 165000) + regp->fp_control |= (8 << 28); + + regp->fp_debug_0 = NV_PRAMDAC_FP_DEBUG_0_YWEIGHT_ROUND | + NV_PRAMDAC_FP_DEBUG_0_XWEIGHT_ROUND | + NV_PRAMDAC_FP_DEBUG_0_YINTERP_BILINEAR | + NV_PRAMDAC_FP_DEBUG_0_XINTERP_BILINEAR | + NV_RAMDAC_FP_DEBUG_0_TMDS_ENABLED | + NV_PRAMDAC_FP_DEBUG_0_YSCALE_ENABLE | + NV_PRAMDAC_FP_DEBUG_0_XSCALE_ENABLE; + + /* We want automatic scaling */ + regp->fp_debug_1 = 0; + /* This can override HTOTAL and VTOTAL */ + regp->fp_debug_2 = 0; + + /* Use 20.12 fixed point format to avoid floats */ + mode_ratio = (1 << 12) * adjusted_mode->hdisplay / adjusted_mode->vdisplay; + panel_ratio = (1 << 12) * output_mode->hdisplay / output_mode->vdisplay; + /* if ratios are equal, SCALE_ASPECT will automatically (and correctly) + * get treated the same as SCALE_FULLSCREEN */ + if (nv_connector->scaling_mode == DRM_MODE_SCALE_ASPECT && + mode_ratio != panel_ratio) { + uint32_t diff, scale; + bool divide_by_2 = nv_gf4_disp_arch(dev); + + if (mode_ratio < panel_ratio) { + /* vertical needs to expand to glass size (automatic) + * horizontal needs to be scaled at vertical scale factor + * to maintain aspect */ + + scale = (1 << 12) * adjusted_mode->vdisplay / output_mode->vdisplay; + regp->fp_debug_1 = NV_PRAMDAC_FP_DEBUG_1_XSCALE_TESTMODE_ENABLE | + XLATE(scale, divide_by_2, NV_PRAMDAC_FP_DEBUG_1_XSCALE_VALUE); + + /* restrict area of screen used, horizontally */ + diff = output_mode->hdisplay - + output_mode->vdisplay * mode_ratio / (1 << 12); + regp->fp_horiz_regs[FP_VALID_START] += diff / 2; + regp->fp_horiz_regs[FP_VALID_END] -= diff / 2; + } + + if (mode_ratio > panel_ratio) { + /* horizontal needs to expand to glass size (automatic) + * vertical needs to be scaled at horizontal scale factor + * to maintain aspect */ + + scale = (1 << 12) * adjusted_mode->hdisplay / output_mode->hdisplay; + regp->fp_debug_1 = NV_PRAMDAC_FP_DEBUG_1_YSCALE_TESTMODE_ENABLE | + XLATE(scale, divide_by_2, NV_PRAMDAC_FP_DEBUG_1_YSCALE_VALUE); + + /* restrict area of screen used, vertically */ + diff = output_mode->vdisplay - + (1 << 12) * output_mode->hdisplay / mode_ratio; + regp->fp_vert_regs[FP_VALID_START] += diff / 2; + regp->fp_vert_regs[FP_VALID_END] -= diff / 2; + } + } + + /* Output property. */ + if (nv_connector->use_dithering) { + if (dev_priv->chipset == 0x11) + regp->dither = savep->dither | 0x00010000; + else { + int i; + regp->dither = savep->dither | 0x00000001; + for (i = 0; i < 3; i++) { + regp->dither_regs[i] = 0xe4e4e4e4; + regp->dither_regs[i + 3] = 0x44444444; + } + } + } else { + if (dev_priv->chipset != 0x11) { + /* reset them */ + int i; + for (i = 0; i < 3; i++) { + regp->dither_regs[i] = savep->dither_regs[i]; + regp->dither_regs[i + 3] = savep->dither_regs[i + 3]; + } + } + regp->dither = savep->dither; + } + + regp->fp_margin_color = 0; +} + +static void nv04_dfp_commit(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct drm_encoder_helper_funcs *helper = encoder->helper_private; + struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct dcb_entry *dcbe = nv_encoder->dcb; + int head = nouveau_crtc(encoder->crtc)->index; + + NV_INFO(dev, "Output %s is running on CRTC %d using output %c\n", + drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), + nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); + + if (dcbe->type == OUTPUT_TMDS) + run_tmds_table(dev, dcbe, head, nv_encoder->mode.clock); + else if (dcbe->type == OUTPUT_LVDS) + call_lvds_script(dev, dcbe, head, LVDS_RESET, nv_encoder->mode.clock); + + /* update fp_control state for any changes made by scripts, + * so correct value is written at DPMS on */ + dev_priv->mode_reg.crtc_reg[head].fp_control = + NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_TG_CONTROL); + + /* This could use refinement for flatpanels, but it should work this way */ + if (dev_priv->chipset < 0x44) + NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + nv04_dac_output_offset(encoder), 0xf0000000); + else + NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + nv04_dac_output_offset(encoder), 0x00100000); + + helper->dpms(encoder, DRM_MODE_DPMS_ON); + + NV_INFO(dev, "Output %s is running on CRTC %d using output %c\n", + drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), + nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); +} + +static inline bool is_powersaving_dpms(int mode) +{ + return (mode != DRM_MODE_DPMS_ON); +} + +static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode) +{ + struct drm_device *dev = encoder->dev; + struct drm_crtc *crtc = encoder->crtc; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + bool was_powersaving = is_powersaving_dpms(nv_encoder->last_dpms); + + if (nv_encoder->last_dpms == mode) + return; + nv_encoder->last_dpms = mode; + + NV_INFO(dev, "Setting dpms mode %d on lvds encoder (output %d)\n", + mode, nv_encoder->dcb->index); + + if (was_powersaving && is_powersaving_dpms(mode)) + return; + + if (nv_encoder->dcb->lvdsconf.use_power_scripts) { + struct nouveau_connector *nv_connector = nouveau_encoder_connector_get(nv_encoder); + + /* when removing an output, crtc may not be set, but PANEL_OFF + * must still be run + */ + int head = crtc ? nouveau_crtc(crtc)->index : + nv04_dfp_get_bound_head(dev, nv_encoder->dcb); + + if (mode == DRM_MODE_DPMS_ON) { + if (!nv_connector->native_mode) { + NV_ERROR(dev, "Not turning on LVDS without native mode\n"); + return; + } + call_lvds_script(dev, nv_encoder->dcb, head, + LVDS_PANEL_ON, nv_connector->native_mode->clock); + } else + /* pxclk of 0 is fine for PANEL_OFF, and for a + * disconnected LVDS encoder there is no native_mode + */ + call_lvds_script(dev, nv_encoder->dcb, head, + LVDS_PANEL_OFF, 0); + } + + nv04_dfp_update_fp_control(encoder, mode); + + if (mode == DRM_MODE_DPMS_ON) + nv04_dfp_prepare_sel_clk(dev, nv_encoder, nouveau_crtc(crtc)->index); + else { + dev_priv->mode_reg.sel_clk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK); + dev_priv->mode_reg.sel_clk &= ~0xf0; + } + NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, dev_priv->mode_reg.sel_clk); +} + +static void nv04_tmds_dpms(struct drm_encoder *encoder, int mode) +{ + struct drm_device *dev = encoder->dev; + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + + if (nv_encoder->last_dpms == mode) + return; + nv_encoder->last_dpms = mode; + + NV_INFO(dev, "Setting dpms mode %d on tmds encoder (output %d)\n", + mode, nv_encoder->dcb->index); + + nv04_dfp_update_fp_control(encoder, mode); +} + +static void nv04_dfp_save(struct drm_encoder *encoder) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct drm_device *dev = encoder->dev; + + if (nv_two_heads(dev)) + nv_encoder->restore.head = + nv04_dfp_get_bound_head(dev, nv_encoder->dcb); +} + +static void nv04_dfp_restore(struct drm_encoder *encoder) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct drm_device *dev = encoder->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + int head = nv_encoder->restore.head; + + if (nv_encoder->dcb->type == OUTPUT_LVDS) { + struct drm_display_mode *native_mode = nouveau_encoder_connector_get(nv_encoder)->native_mode; + if (native_mode) + call_lvds_script(dev, nv_encoder->dcb, head, LVDS_PANEL_ON, + native_mode->clock); + else + NV_ERROR(dev, "Not restoring LVDS without native mode\n"); + + } else if (nv_encoder->dcb->type == OUTPUT_TMDS) { + int clock = nouveau_hw_pllvals_to_clk + (&dev_priv->saved_reg.crtc_reg[head].pllvals); + + run_tmds_table(dev, nv_encoder->dcb, head, clock); + } + + nv_encoder->last_dpms = NV_DPMS_CLEARED; +} + +static void nv04_dfp_destroy(struct drm_encoder *encoder) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + + NV_DEBUG_KMS(encoder->dev, "\n"); + + drm_encoder_cleanup(encoder); + kfree(nv_encoder); +} + +static const struct drm_encoder_helper_funcs nv04_lvds_helper_funcs = { + .dpms = nv04_lvds_dpms, + .save = nv04_dfp_save, + .restore = nv04_dfp_restore, + .mode_fixup = nv04_dfp_mode_fixup, + .prepare = nv04_dfp_prepare, + .commit = nv04_dfp_commit, + .mode_set = nv04_dfp_mode_set, + .detect = NULL, +}; + +static const struct drm_encoder_helper_funcs nv04_tmds_helper_funcs = { + .dpms = nv04_tmds_dpms, + .save = nv04_dfp_save, + .restore = nv04_dfp_restore, + .mode_fixup = nv04_dfp_mode_fixup, + .prepare = nv04_dfp_prepare, + .commit = nv04_dfp_commit, + .mode_set = nv04_dfp_mode_set, + .detect = NULL, +}; + +static const struct drm_encoder_funcs nv04_dfp_funcs = { + .destroy = nv04_dfp_destroy, +}; + +int nv04_dfp_create(struct drm_device *dev, struct dcb_entry *entry) +{ + const struct drm_encoder_helper_funcs *helper; + struct drm_encoder *encoder; + struct nouveau_encoder *nv_encoder = NULL; + int type; + + switch (entry->type) { + case OUTPUT_TMDS: + type = DRM_MODE_ENCODER_TMDS; + helper = &nv04_tmds_helper_funcs; + break; + case OUTPUT_LVDS: + type = DRM_MODE_ENCODER_LVDS; + helper = &nv04_lvds_helper_funcs; + break; + default: + return -EINVAL; + } + + nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); + if (!nv_encoder) + return -ENOMEM; + + encoder = to_drm_encoder(nv_encoder); + + nv_encoder->dcb = entry; + nv_encoder->or = ffs(entry->or) - 1; + + drm_encoder_init(dev, encoder, &nv04_dfp_funcs, type); + drm_encoder_helper_add(encoder, helper); + + encoder->possible_crtcs = entry->heads; + encoder->possible_clones = 0; + + return 0; +} |