--- /dev/null
+/*
+ * 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 <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "nouveau_drm.h"
+#include "nouveau_reg.h"
+#include "nouveau_encoder.h"
+#include "nouveau_connector.h"
+#include "nouveau_crtc.h"
+#include "hw.h"
+#include "nvreg.h"
+
+#include <drm/i2c/sil164.h>
+
+#include <subdev/i2c.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_output *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 & DCB_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_output *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 & DCB_OUTPUT_C) >> 2;
+ uint8_t tmds04 = 0x80;
+
+ if (head != ramdac)
+ tmds04 = 0x88;
+
+ if (dcbent->type == DCB_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 nv04_crtc_reg *crtcstate = nv04_display(dev)->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;
+ crtcstate[head].CRTC[NV_CIO_CRE_LCD__INDEX] &=
+ ~NV_CIO_CRE_LCD_ROUTE_MASK;
+}
+
+void nv04_dfp_update_fp_control(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ 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 = &nv04_display(dev)->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 = &nv04_display(dev)->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 struct drm_encoder *get_tmds_slave(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
+ struct drm_encoder *slave;
+
+ if (dcb->type != DCB_OUTPUT_TMDS || dcb->location == DCB_LOC_ON_CHIP)
+ return NULL;
+
+ /* Some BIOSes (e.g. the one in a Quadro FX1000) report several
+ * TMDS transmitters at the same I2C address, in the same I2C
+ * bus. This can still work because in that case one of them is
+ * always hard-wired to a reasonable configuration using straps,
+ * and the other one needs to be programmed.
+ *
+ * I don't think there's a way to know which is which, even the
+ * blob programs the one exposed via I2C for *both* heads, so
+ * let's do the same.
+ */
+ list_for_each_entry(slave, &dev->mode_config.encoder_list, head) {
+ struct dcb_output *slave_dcb = nouveau_encoder(slave)->dcb;
+
+ if (slave_dcb->type == DCB_OUTPUT_TMDS && get_slave_funcs(slave) &&
+ slave_dcb->tmdsconf.slave_addr == dcb->tmdsconf.slave_addr)
+ return slave;
+ }
+
+ return NULL;
+}
+
+static bool nv04_dfp_mode_fixup(struct drm_encoder *encoder,
+ const 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);
+
+ if (!nv_connector->native_mode ||
+ nv_connector->scaling_mode == DRM_MODE_SCALE_NONE ||
+ mode->hdisplay > nv_connector->native_mode->hdisplay ||
+ mode->vdisplay > nv_connector->native_mode->vdisplay) {
+ nv_encoder->mode = *adjusted_mode;
+
+ } else {
+ nv_encoder->mode = *nv_connector->native_mode;
+ adjusted_mode->clock = nv_connector->native_mode->clock;
+ }
+
+ return true;
+}
+
+static void nv04_dfp_prepare_sel_clk(struct drm_device *dev,
+ struct nouveau_encoder *nv_encoder, int head)
+{
+ struct nv04_mode_state *state = &nv04_display(dev)->mode_reg;
+ uint32_t bits1618 = nv_encoder->dcb->or & DCB_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 == DCB_OUTPUT_LVDS && nv04_display(dev)->saved_reg.sel_clk & 0xf0) {
+ int shift = (nv04_display(dev)->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);
+ const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+ struct drm_device *dev = encoder->dev;
+ int head = nouveau_crtc(encoder->crtc)->index;
+ struct nv04_crtc_reg *crtcstate = nv04_display(dev)->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);
+
+ *cr_lcd = (*cr_lcd & ~NV_CIO_CRE_LCD_ROUTE_MASK) | 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 == DCB_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 nvif_device *device = &nouveau_drm(dev)->device;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
+ struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
+ struct nv04_crtc_reg *savep = &nv04_display(dev)->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;
+ struct drm_connector *connector = &nv_connector->base;
+ uint32_t mode_ratio, panel_ratio;
+
+ NV_DEBUG(drm, "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) >=
+ drm->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 - drm->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 (nvif_rd32(device, 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 == DCB_OUTPUT_LVDS) {
+ bool duallink = false, dummy;
+ if (nv_connector->edid &&
+ nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) {
+ duallink = (((u8 *)nv_connector->edid)[121] == 2);
+ } else {
+ nouveau_bios_parse_lvds_table(dev, output_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->dithering_mode == DITHERING_MODE_ON) ||
+ (nv_connector->dithering_mode == DITHERING_MODE_AUTO &&
+ encoder->crtc->primary->fb->depth > connector->display_info.bpc * 3)) {
+ if (drm->device.info.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 (drm->device.info.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 nouveau_drm *drm = nouveau_drm(dev);
+ const 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_output *dcbe = nv_encoder->dcb;
+ int head = nouveau_crtc(encoder->crtc)->index;
+ struct drm_encoder *slave_encoder;
+
+ if (dcbe->type == DCB_OUTPUT_TMDS)
+ run_tmds_table(dev, dcbe, head, nv_encoder->mode.clock);
+ else if (dcbe->type == DCB_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 */
+ nv04_display(dev)->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 (drm->device.info.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);
+
+ /* Init external transmitters */
+ slave_encoder = get_tmds_slave(encoder);
+ if (slave_encoder)
+ get_slave_funcs(slave_encoder)->mode_set(
+ slave_encoder, &nv_encoder->mode, &nv_encoder->mode);
+
+ helper->dpms(encoder, DRM_MODE_DPMS_ON);
+
+ NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n",
+ nouveau_encoder_connector_get(nv_encoder)->base.name,
+ nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
+}
+
+static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode)
+{
+#ifdef __powerpc__
+ struct drm_device *dev = encoder->dev;
+ struct nvif_device *device = &nouveau_drm(dev)->device;
+
+ /* BIOS scripts usually take care of the backlight, thanks
+ * Apple for your consistency.
+ */
+ if (dev->pdev->device == 0x0174 || dev->pdev->device == 0x0179 ||
+ dev->pdev->device == 0x0189 || dev->pdev->device == 0x0329) {
+ if (mode == DRM_MODE_DPMS_ON) {
+ nv_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 1 << 31);
+ nv_mask(device, NV_PCRTC_GPIO_EXT, 3, 1);
+ } else {
+ nv_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 0);
+ nv_mask(device, NV_PCRTC_GPIO_EXT, 3, 0);
+ }
+ }
+#endif
+}
+
+static inline bool is_powersaving_dpms(int mode)
+{
+ return mode != DRM_MODE_DPMS_ON && mode != NV_DPMS_CLEARED;
+}
+
+static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ 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_DEBUG(drm, "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) {
+ /* 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) {
+ call_lvds_script(dev, nv_encoder->dcb, head,
+ LVDS_PANEL_ON, nv_encoder->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_backlight(encoder, mode);
+ 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 {
+ nv04_display(dev)->mode_reg.sel_clk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK);
+ nv04_display(dev)->mode_reg.sel_clk &= ~0xf0;
+ }
+ NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, nv04_display(dev)->mode_reg.sel_clk);
+}
+
+static void nv04_tmds_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct nouveau_drm *drm = nouveau_drm(encoder->dev);
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+
+ if (nv_encoder->last_dpms == mode)
+ return;
+ nv_encoder->last_dpms = mode;
+
+ NV_DEBUG(drm, "Setting dpms mode %d on tmds encoder (output %d)\n",
+ mode, nv_encoder->dcb->index);
+
+ nv04_dfp_update_backlight(encoder, mode);
+ 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;
+ int head = nv_encoder->restore.head;
+
+ if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS) {
+ struct nouveau_connector *connector =
+ nouveau_encoder_connector_get(nv_encoder);
+
+ if (connector && connector->native_mode)
+ call_lvds_script(dev, nv_encoder->dcb, head,
+ LVDS_PANEL_ON,
+ connector->native_mode->clock);
+
+ } else if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
+ int clock = nouveau_hw_pllvals_to_clk
+ (&nv04_display(dev)->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);
+
+ if (get_slave_funcs(encoder))
+ get_slave_funcs(encoder)->destroy(encoder);
+
+ drm_encoder_cleanup(encoder);
+ kfree(nv_encoder);
+}
+
+static void nv04_tmds_slave_init(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
+ struct nvkm_i2c_port *port = i2c->find(i2c, 2);
+ struct nvkm_i2c_board_info info[] = {
+ {
+ {
+ .type = "sil164",
+ .addr = (dcb->tmdsconf.slave_addr == 0x7 ? 0x3a : 0x38),
+ .platform_data = &(struct sil164_encoder_params) {
+ SIL164_INPUT_EDGE_RISING
+ }
+ }, 0
+ },
+ { }
+ };
+ int type;
+
+ if (!nv_gf4_disp_arch(dev) || !port ||
+ get_tmds_slave(encoder))
+ return;
+
+ type = i2c->identify(i2c, 2, "TMDS transmitter", info, NULL, NULL);
+ if (type < 0)
+ return;
+
+ drm_i2c_encoder_init(dev, to_encoder_slave(encoder),
+ &port->adapter, &info[type].dev);
+}
+
+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_connector *connector, struct dcb_output *entry)
+{
+ const struct drm_encoder_helper_funcs *helper;
+ struct nouveau_encoder *nv_encoder = NULL;
+ struct drm_encoder *encoder;
+ int type;
+
+ switch (entry->type) {
+ case DCB_OUTPUT_TMDS:
+ type = DRM_MODE_ENCODER_TMDS;
+ helper = &nv04_tmds_helper_funcs;
+ break;
+ case DCB_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(connector->dev, encoder, &nv04_dfp_funcs, type);
+ drm_encoder_helper_add(encoder, helper);
+
+ encoder->possible_crtcs = entry->heads;
+ encoder->possible_clones = 0;
+
+ if (entry->type == DCB_OUTPUT_TMDS &&
+ entry->location != DCB_LOC_ON_CHIP)
+ nv04_tmds_slave_init(encoder);
+
+ drm_mode_connector_attach_encoder(connector, encoder);
+ return 0;
+}
Code Review / kvmfornfv.git / blobdiff