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-rw-r--r--tools/intel_reg_dumper.c1658
1 files changed, 1658 insertions, 0 deletions
diff --git a/tools/intel_reg_dumper.c b/tools/intel_reg_dumper.c
new file mode 100644
index 00000000..55a05316
--- /dev/null
+++ b/tools/intel_reg_dumper.c
@@ -0,0 +1,1658 @@
+/*
+ * Copyright © 2006,2009 Intel Corporation
+ *
+ * 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.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <err.h>
+#include "intel_gpu_tools.h"
+
+#define DEBUGSTRING(func) static void func(char **result, int reg, uint32_t val)
+
+DEBUGSTRING(i830_16bit_func)
+{
+ asprintf(result, "0x%04x", (uint16_t) val);
+}
+
+DEBUGSTRING(i830_debug_dcc)
+{
+ char *addressing = NULL;
+
+ if (!IS_MOBILE(devid))
+ return;
+
+ if (IS_965(devid)) {
+ if (val & (1 << 1))
+ addressing = "dual channel interleaved";
+ else
+ addressing = "single or dual channel asymmetric";
+ } else {
+ switch (val & 3) {
+ case 0:
+ addressing = "single channel";
+ break;
+ case 1:
+ addressing = "dual channel asymmetric";
+ break;
+ case 2:
+ addressing = "dual channel interleaved";
+ break;
+ case 3:
+ addressing = "unknown channel layout";
+ break;
+ }
+ }
+
+ asprintf(result, "%s, XOR randomization: %sabled, XOR bit: %d",
+ addressing,
+ (val & (1 << 10)) ? "dis" : "en",
+ (val & (1 << 9)) ? 17 : 11);
+}
+
+DEBUGSTRING(i830_debug_chdecmisc)
+{
+ char *enhmodesel = NULL;
+
+ switch ((val >> 5) & 3) {
+ case 1:
+ enhmodesel = "XOR bank/rank";
+ break;
+ case 2:
+ enhmodesel = "swap bank";
+ break;
+ case 3:
+ enhmodesel = "XOR bank";
+ break;
+ case 0:
+ enhmodesel = "none";
+ break;
+ }
+
+ asprintf(result,
+ "%s, ch2 enh %sabled, ch1 enh %sabled, "
+ "ch0 enh %sabled, "
+ "flex %sabled, ep %spresent", enhmodesel,
+ (val & (1 << 4)) ? "en" : "dis",
+ (val & (1 << 3)) ? "en" : "dis",
+ (val & (1 << 2)) ? "en" : "dis",
+ (val & (1 << 1)) ? "en" : "dis",
+ (val & (1 << 0)) ? "" : "not ");
+}
+
+DEBUGSTRING(i830_debug_xyminus1)
+{
+ asprintf(result, "%d, %d", (val & 0xffff) + 1,
+ ((val & 0xffff0000) >> 16) + 1);
+}
+
+DEBUGSTRING(i830_debug_yxminus1)
+{
+ asprintf(result, "%d, %d", ((val & 0xffff0000) >> 16) + 1,
+ (val & 0xffff) + 1);
+}
+
+DEBUGSTRING(i830_debug_xy)
+{
+ asprintf(result, "%d, %d", (val & 0xffff), ((val & 0xffff0000) >> 16));
+}
+
+DEBUGSTRING(i830_debug_dspstride)
+{
+ asprintf(result, "%d bytes", val);
+}
+
+DEBUGSTRING(i830_debug_dspcntr)
+{
+ char *enabled = val & DISPLAY_PLANE_ENABLE ? "enabled" : "disabled";
+ char plane = val & DISPPLANE_SEL_PIPE_B ? 'B' : 'A';
+ if (IS_IRONLAKE(devid))
+ asprintf(result, "%s", enabled);
+ else
+ asprintf(result, "%s, pipe %c", enabled, plane);
+}
+
+DEBUGSTRING(i830_debug_pipeconf)
+{
+ char *enabled = val & PIPEACONF_ENABLE ? "enabled" : "disabled";
+ char *bit30;
+ char *bpc = NULL;
+
+ if (IS_965(devid))
+ bit30 = val & I965_PIPECONF_ACTIVE ? "active" : "inactive";
+ else
+ bit30 =
+ val & PIPEACONF_DOUBLE_WIDE ? "double-wide" : "single-wide";
+
+ if (IS_IRONLAKE(devid)) {
+ switch (val & (7 << 5)) {
+ case PIPECONF_8BPP:
+ bpc = "8bpc";
+ break;
+ case PIPECONF_10BPP:
+ bpc = "10bpc";
+ break;
+ case PIPECONF_6BPP:
+ bpc = "6bpc";
+ break;
+ case PIPECONF_12BPP:
+ bpc = "12bpc";
+ break;
+ }
+ }
+ if (IS_IRONLAKE(devid))
+ asprintf(result, "%s, %s, %s", enabled, bit30, bpc);
+ else
+ asprintf(result, "%s, %s", enabled, bit30);
+}
+
+DEBUGSTRING(i830_debug_pipestat)
+{
+ char *_FIFO_UNDERRUN = val & FIFO_UNDERRUN ? " FIFO_UNDERRUN" : "";
+ char *_CRC_ERROR_ENABLE =
+ val & CRC_ERROR_ENABLE ? " CRC_ERROR_ENABLE" : "";
+ char *_CRC_DONE_ENABLE =
+ val & CRC_DONE_ENABLE ? " CRC_DONE_ENABLE" : "";
+ char *_GMBUS_EVENT_ENABLE =
+ val & GMBUS_EVENT_ENABLE ? " GMBUS_EVENT_ENABLE" : "";
+ char *_VSYNC_INT_ENABLE =
+ val & VSYNC_INT_ENABLE ? " VSYNC_INT_ENABLE" : "";
+ char *_DLINE_COMPARE_ENABLE =
+ val & DLINE_COMPARE_ENABLE ? " DLINE_COMPARE_ENABLE" : "";
+ char *_DPST_EVENT_ENABLE =
+ val & DPST_EVENT_ENABLE ? " DPST_EVENT_ENABLE" : "";
+ char *_LBLC_EVENT_ENABLE =
+ val & LBLC_EVENT_ENABLE ? " LBLC_EVENT_ENABLE" : "";
+ char *_OFIELD_INT_ENABLE =
+ val & OFIELD_INT_ENABLE ? " OFIELD_INT_ENABLE" : "";
+ char *_EFIELD_INT_ENABLE =
+ val & EFIELD_INT_ENABLE ? " EFIELD_INT_ENABLE" : "";
+ char *_SVBLANK_INT_ENABLE =
+ val & SVBLANK_INT_ENABLE ? " SVBLANK_INT_ENABLE" : "";
+ char *_VBLANK_INT_ENABLE =
+ val & VBLANK_INT_ENABLE ? " VBLANK_INT_ENABLE" : "";
+ char *_OREG_UPDATE_ENABLE =
+ val & OREG_UPDATE_ENABLE ? " OREG_UPDATE_ENABLE" : "";
+ char *_CRC_ERROR_INT_STATUS =
+ val & CRC_ERROR_INT_STATUS ? " CRC_ERROR_INT_STATUS" : "";
+ char *_CRC_DONE_INT_STATUS =
+ val & CRC_DONE_INT_STATUS ? " CRC_DONE_INT_STATUS" : "";
+ char *_GMBUS_INT_STATUS =
+ val & GMBUS_INT_STATUS ? " GMBUS_INT_STATUS" : "";
+ char *_VSYNC_INT_STATUS =
+ val & VSYNC_INT_STATUS ? " VSYNC_INT_STATUS" : "";
+ char *_DLINE_COMPARE_STATUS =
+ val & DLINE_COMPARE_STATUS ? " DLINE_COMPARE_STATUS" : "";
+ char *_DPST_EVENT_STATUS =
+ val & DPST_EVENT_STATUS ? " DPST_EVENT_STATUS" : "";
+ char *_LBLC_EVENT_STATUS =
+ val & LBLC_EVENT_STATUS ? " LBLC_EVENT_STATUS" : "";
+ char *_OFIELD_INT_STATUS =
+ val & OFIELD_INT_STATUS ? " OFIELD_INT_STATUS" : "";
+ char *_EFIELD_INT_STATUS =
+ val & EFIELD_INT_STATUS ? " EFIELD_INT_STATUS" : "";
+ char *_SVBLANK_INT_STATUS =
+ val & SVBLANK_INT_STATUS ? " SVBLANK_INT_STATUS" : "";
+ char *_VBLANK_INT_STATUS =
+ val & VBLANK_INT_STATUS ? " VBLANK_INT_STATUS" : "";
+ char *_OREG_UPDATE_STATUS =
+ val & OREG_UPDATE_STATUS ? " OREG_UPDATE_STATUS" : "";
+ asprintf(result,
+ "status:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+ _FIFO_UNDERRUN,
+ _CRC_ERROR_ENABLE,
+ _CRC_DONE_ENABLE,
+ _GMBUS_EVENT_ENABLE,
+ _VSYNC_INT_ENABLE,
+ _DLINE_COMPARE_ENABLE,
+ _DPST_EVENT_ENABLE,
+ _LBLC_EVENT_ENABLE,
+ _OFIELD_INT_ENABLE,
+ _EFIELD_INT_ENABLE,
+ _SVBLANK_INT_ENABLE,
+ _VBLANK_INT_ENABLE,
+ _OREG_UPDATE_ENABLE,
+ _CRC_ERROR_INT_STATUS,
+ _CRC_DONE_INT_STATUS,
+ _GMBUS_INT_STATUS,
+ _VSYNC_INT_STATUS,
+ _DLINE_COMPARE_STATUS,
+ _DPST_EVENT_STATUS,
+ _LBLC_EVENT_STATUS,
+ _OFIELD_INT_STATUS,
+ _EFIELD_INT_STATUS,
+ _SVBLANK_INT_STATUS,
+ _VBLANK_INT_STATUS,
+ _OREG_UPDATE_STATUS);
+}
+
+DEBUGSTRING(i830_debug_hvtotal)
+{
+ asprintf(result, "%d active, %d total",
+ (val & 0xffff) + 1,
+ ((val & 0xffff0000) >> 16) + 1);
+}
+
+DEBUGSTRING(i830_debug_hvsyncblank)
+{
+ asprintf(result, "%d start, %d end",
+ (val & 0xffff) + 1,
+ ((val & 0xffff0000) >> 16) + 1);
+}
+
+DEBUGSTRING(i830_debug_vgacntrl)
+{
+ asprintf(result, "%s",
+ val & VGA_DISP_DISABLE ? "disabled" : "enabled");
+}
+
+DEBUGSTRING(i830_debug_fp)
+{
+ if (IS_IGD(devid)) {
+ asprintf(result, "n = %d, m1 = %d, m2 = %d",
+ ffs((val & FP_N_IGD_DIV_MASK) >>
+ FP_N_DIV_SHIFT) - 1,
+ ((val & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT),
+ ((val & FP_M2_IGD_DIV_MASK) >>
+ FP_M2_DIV_SHIFT));
+ }
+ asprintf(result, "n = %d, m1 = %d, m2 = %d",
+ ((val & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT),
+ ((val & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT),
+ ((val & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT));
+}
+
+DEBUGSTRING(i830_debug_vga_pd)
+{
+ int vga0_p1, vga0_p2, vga1_p1, vga1_p2;
+
+ /* XXX: i9xx version */
+
+ if (val & VGA0_PD_P1_DIV_2)
+ vga0_p1 = 2;
+ else
+ vga0_p1 = ((val & VGA0_PD_P1_MASK) >> VGA0_PD_P1_SHIFT) + 2;
+ vga0_p2 = (val & VGA0_PD_P2_DIV_4) ? 4 : 2;
+
+ if (val & VGA1_PD_P1_DIV_2)
+ vga1_p1 = 2;
+ else
+ vga1_p1 = ((val & VGA1_PD_P1_MASK) >> VGA1_PD_P1_SHIFT) + 2;
+ vga1_p2 = (val & VGA1_PD_P2_DIV_4) ? 4 : 2;
+
+ asprintf(result, "vga0 p1 = %d, p2 = %d, vga1 p1 = %d, p2 = %d",
+ vga0_p1, vga0_p2, vga1_p1, vga1_p2);
+}
+
+DEBUGSTRING(i830_debug_pp_status)
+{
+ char *status = val & PP_ON ? "on" : "off";
+ char *ready = val & PP_READY ? "ready" : "not ready";
+ char *seq = "unknown";
+
+ switch (val & PP_SEQUENCE_MASK) {
+ case PP_SEQUENCE_NONE:
+ seq = "idle";
+ break;
+ case PP_SEQUENCE_ON:
+ seq = "on";
+ break;
+ case PP_SEQUENCE_OFF:
+ seq = "off";
+ break;
+ }
+
+ asprintf(result, "%s, %s, sequencing %s", status, ready, seq);
+}
+
+DEBUGSTRING(i830_debug_pp_control)
+{
+ asprintf(result, "power target: %s",
+ val & POWER_TARGET_ON ? "on" : "off");
+}
+
+DEBUGSTRING(i830_debug_dpll)
+{
+ char *enabled = val & DPLL_VCO_ENABLE ? "enabled" : "disabled";
+ char *dvomode = val & DPLL_DVO_HIGH_SPEED ? "dvo" : "non-dvo";
+ char *vgamode = val & DPLL_VGA_MODE_DIS ? "" : ", VGA";
+ char *mode = "unknown";
+ char *clock = "unknown";
+ char *fpextra = val & DISPLAY_RATE_SELECT_FPA1 ? ", using FPx1!" : "";
+ char sdvoextra[20];
+ int p1, p2 = 0;
+
+ if (IS_9XX(devid)) {
+ if (IS_IGD(devid)) {
+ p1 = ffs((val & DPLL_FPA01_P1_POST_DIV_MASK_IGD) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT_IGD);
+ } else {
+ p1 = ffs((val & DPLL_FPA01_P1_POST_DIV_MASK) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT);
+ }
+ switch (val & DPLL_MODE_MASK) {
+ case DPLLB_MODE_DAC_SERIAL:
+ mode = "DAC/serial";
+ p2 = val & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? 5 : 10;
+ break;
+ case DPLLB_MODE_LVDS:
+ mode = "LVDS";
+ p2 = val & DPLLB_LVDS_P2_CLOCK_DIV_7 ? 7 : 14;
+ break;
+ }
+ } else {
+ char is_lvds = (INREG(LVDS) & LVDS_PORT_EN) && (reg == DPLL_B);
+
+ if (is_lvds) {
+ mode = "LVDS";
+ p1 = ffs((val & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS)
+ >> DPLL_FPA01_P1_POST_DIV_SHIFT);
+ if ((INREG(LVDS) & LVDS_CLKB_POWER_MASK) ==
+ LVDS_CLKB_POWER_UP)
+ p2 = 7;
+ else
+ p2 = 14;
+
+ } else {
+ mode = "DAC/serial";
+ if (val & PLL_P1_DIVIDE_BY_TWO) {
+ p1 = 2;
+ } else {
+ /* Map the number in the field to (3, 33) */
+ p1 = ((val & DPLL_FPA01_P1_POST_DIV_MASK_I830)
+ >> DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
+ }
+ if (val & PLL_P2_DIVIDE_BY_4)
+ p2 = 4;
+ else
+ p2 = 2;
+ }
+ }
+
+ switch (val & PLL_REF_INPUT_MASK) {
+ case PLL_REF_INPUT_DREFCLK:
+ clock = "default";
+ break;
+ case PLL_REF_INPUT_TVCLKINA:
+ clock = "TV A";
+ break;
+ case PLL_REF_INPUT_TVCLKINBC:
+ clock = "TV B/C";
+ break;
+ case PLLB_REF_INPUT_SPREADSPECTRUMIN:
+ if (reg == DPLL_B)
+ clock = "spread spectrum";
+ break;
+ }
+
+ if (IS_945(devid)) {
+ sprintf(sdvoextra, ", SDVO mult %d",
+ (int)((val & SDVO_MULTIPLIER_MASK) >>
+ SDVO_MULTIPLIER_SHIFT_HIRES) + 1);
+ } else {
+ sdvoextra[0] = '\0';
+ }
+
+ asprintf(result, "%s, %s%s, %s clock, %s mode, p1 = %d, "
+ "p2 = %d%s%s",
+ enabled, dvomode, vgamode, clock, mode, p1, p2,
+ fpextra, sdvoextra);
+}
+
+DEBUGSTRING(i830_debug_dpll_test)
+{
+ char *dpllandiv = val & DPLLA_TEST_N_BYPASS ? ", DPLLA N bypassed" : "";
+ char *dpllamdiv = val & DPLLA_TEST_M_BYPASS ? ", DPLLA M bypassed" : "";
+ char *dpllainput = val & DPLLA_INPUT_BUFFER_ENABLE ?
+ "" : ", DPLLA input buffer disabled";
+ char *dpllbndiv = val & DPLLB_TEST_N_BYPASS ? ", DPLLB N bypassed" : "";
+ char *dpllbmdiv = val & DPLLB_TEST_M_BYPASS ? ", DPLLB M bypassed" : "";
+ char *dpllbinput = val & DPLLB_INPUT_BUFFER_ENABLE ?
+ "" : ", DPLLB input buffer disabled";
+
+ asprintf(result, "%s%s%s%s%s%s",
+ dpllandiv, dpllamdiv, dpllainput,
+ dpllbndiv, dpllbmdiv, dpllbinput);
+}
+
+DEBUGSTRING(i830_debug_adpa)
+{
+ char pipe = (val & ADPA_PIPE_B_SELECT) ? 'B' : 'A';
+ char *enable = (val & ADPA_DAC_ENABLE) ? "enabled" : "disabled";
+ char hsync = (val & ADPA_HSYNC_ACTIVE_HIGH) ? '+' : '-';
+ char vsync = (val & ADPA_VSYNC_ACTIVE_HIGH) ? '+' : '-';
+
+ if (IS_IRONLAKE(devid))
+ asprintf(result, "%s, transcoder %c, %chsync, %cvsync",
+ enable, pipe, hsync, vsync);
+ else
+ asprintf(result, "%s, pipe %c, %chsync, %cvsync",
+ enable, pipe, hsync, vsync);
+}
+
+DEBUGSTRING(i830_debug_lvds)
+{
+ char pipe = val & LVDS_PIPEB_SELECT ? 'B' : 'A';
+ char *enable = val & LVDS_PORT_EN ? "enabled" : "disabled";
+ int depth;
+ char *channels;
+
+ if ((val & LVDS_A3_POWER_MASK) == LVDS_A3_POWER_UP)
+ depth = 24;
+ else
+ depth = 18;
+ if ((val & LVDS_B0B3_POWER_MASK) == LVDS_B0B3_POWER_UP)
+ channels = "2 channels";
+ else
+ channels = "1 channel";
+
+ asprintf(result, "%s, pipe %c, %d bit, %s",
+ enable, pipe, depth, channels);
+}
+
+DEBUGSTRING(i830_debug_dvo)
+{
+ char *enable = val & DVO_ENABLE ? "enabled" : "disabled";
+ char pipe = val & DVO_PIPE_B_SELECT ? 'B' : 'A';
+ char *stall;
+ char hsync = val & DVO_HSYNC_ACTIVE_HIGH ? '+' : '-';
+ char vsync = val & DVO_VSYNC_ACTIVE_HIGH ? '+' : '-';
+
+ switch (val & DVO_PIPE_STALL_MASK) {
+ case DVO_PIPE_STALL_UNUSED:
+ stall = "no stall";
+ break;
+ case DVO_PIPE_STALL:
+ stall = "stall";
+ break;
+ case DVO_PIPE_STALL_TV:
+ stall = "TV stall";
+ break;
+ default:
+ stall = "unknown stall";
+ break;
+ }
+
+ asprintf(result, "%s, pipe %c, %s, %chsync, %cvsync",
+ enable, pipe, stall, hsync, vsync);
+}
+
+DEBUGSTRING(i830_debug_sdvo)
+{
+ char *enable = val & SDVO_ENABLE ? "enabled" : "disabled";
+ char pipe = val & SDVO_PIPE_B_SELECT ? 'B' : 'A';
+ char *stall = val & SDVO_STALL_SELECT ? "enabled" : "disabled";
+ char *detected = val & SDVO_DETECTED ? "" : "not ";
+ char *gang = val & SDVOC_GANG_MODE ? ", gang mode" : "";
+ char sdvoextra[20];
+
+ if (IS_915(devid)) {
+ sprintf(sdvoextra, ", SDVO mult %d",
+ (int)((val & SDVO_PORT_MULTIPLY_MASK) >>
+ SDVO_PORT_MULTIPLY_SHIFT) + 1);
+ } else {
+ sdvoextra[0] = '\0';
+ }
+
+ asprintf(result, "%s, pipe %c, stall %s, %sdetected%s%s",
+ enable, pipe, stall, detected, sdvoextra, gang);
+}
+
+DEBUGSTRING(i830_debug_dspclk_gate_d)
+{
+ char *DPUNIT_B = val & DPUNIT_B_CLOCK_GATE_DISABLE ? " DPUNIT_B" : "";
+ char *VSUNIT = val & VSUNIT_CLOCK_GATE_DISABLE ? " VSUNIT" : "";
+ char *VRHUNIT = val & VRHUNIT_CLOCK_GATE_DISABLE ? " VRHUNIT" : "";
+ char *VRDUNIT = val & VRDUNIT_CLOCK_GATE_DISABLE ? " VRDUNIT" : "";
+ char *AUDUNIT = val & AUDUNIT_CLOCK_GATE_DISABLE ? " AUDUNIT" : "";
+ char *DPUNIT_A = val & DPUNIT_A_CLOCK_GATE_DISABLE ? " DPUNIT_A" : "";
+ char *DPCUNIT = val & DPCUNIT_CLOCK_GATE_DISABLE ? " DPCUNIT" : "";
+ char *TVRUNIT = val & TVRUNIT_CLOCK_GATE_DISABLE ? " TVRUNIT" : "";
+ char *TVCUNIT = val & TVCUNIT_CLOCK_GATE_DISABLE ? " TVCUNIT" : "";
+ char *TVFUNIT = val & TVFUNIT_CLOCK_GATE_DISABLE ? " TVFUNIT" : "";
+ char *TVEUNIT = val & TVEUNIT_CLOCK_GATE_DISABLE ? " TVEUNIT" : "";
+ char *DVSUNIT = val & DVSUNIT_CLOCK_GATE_DISABLE ? " DVSUNIT" : "";
+ char *DSSUNIT = val & DSSUNIT_CLOCK_GATE_DISABLE ? " DSSUNIT" : "";
+ char *DDBUNIT = val & DDBUNIT_CLOCK_GATE_DISABLE ? " DDBUNIT" : "";
+ char *DPRUNIT = val & DPRUNIT_CLOCK_GATE_DISABLE ? " DPRUNIT" : "";
+ char *DPFUNIT = val & DPFUNIT_CLOCK_GATE_DISABLE ? " DPFUNIT" : "";
+ char *DPBMUNIT = val & DPBMUNIT_CLOCK_GATE_DISABLE ? " DPBMUNIT" : "";
+ char *DPLSUNIT = val & DPLSUNIT_CLOCK_GATE_DISABLE ? " DPLSUNIT" : "";
+ char *DPLUNIT = val & DPLUNIT_CLOCK_GATE_DISABLE ? " DPLUNIT" : "";
+ char *DPOUNIT = val & DPOUNIT_CLOCK_GATE_DISABLE ? " DPOUNIT" : "";
+ char *DPBUNIT = val & DPBUNIT_CLOCK_GATE_DISABLE ? " DPBUNIT" : "";
+ char *DCUNIT = val & DCUNIT_CLOCK_GATE_DISABLE ? " DCUNIT" : "";
+ char *DPUNIT = val & DPUNIT_CLOCK_GATE_DISABLE ? " DPUNIT" : "";
+ char *VRUNIT = val & VRUNIT_CLOCK_GATE_DISABLE ? " VRUNIT" : "";
+ char *OVHUNIT = val & OVHUNIT_CLOCK_GATE_DISABLE ? " OVHUNIT" : "";
+ char *DPIOUNIT = val & DPIOUNIT_CLOCK_GATE_DISABLE ? " DPIOUNIT" : "";
+ char *OVFUNIT = val & OVFUNIT_CLOCK_GATE_DISABLE ? " OVFUNIT" : "";
+ char *OVBUNIT = val & OVBUNIT_CLOCK_GATE_DISABLE ? " OVBUNIT" : "";
+ char *OVRUNIT = val & OVRUNIT_CLOCK_GATE_DISABLE ? " OVRUNIT" : "";
+ char *OVCUNIT = val & OVCUNIT_CLOCK_GATE_DISABLE ? " OVCUNIT" : "";
+ char *OVUUNIT = val & OVUUNIT_CLOCK_GATE_DISABLE ? " OVUUNIT" : "";
+ char *OVLUNIT = val & OVLUNIT_CLOCK_GATE_DISABLE ? " OVLUNIT" : "";
+
+ asprintf(result,
+ "clock gates disabled:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+ DPUNIT_B, VSUNIT, VRHUNIT, VRDUNIT, AUDUNIT, DPUNIT_A, DPCUNIT,
+ TVRUNIT, TVCUNIT, TVFUNIT, TVEUNIT, DVSUNIT, DSSUNIT, DDBUNIT,
+ DPRUNIT, DPFUNIT, DPBMUNIT, DPLSUNIT, DPLUNIT, DPOUNIT, DPBUNIT,
+ DCUNIT, DPUNIT, VRUNIT, OVHUNIT, DPIOUNIT, OVFUNIT, OVBUNIT,
+ OVRUNIT, OVCUNIT, OVUUNIT, OVLUNIT);
+}
+
+DEBUGSTRING(i810_debug_915_fence)
+{
+ char *enable = (val & 1) ? " enabled" : "disabled";
+ char format = (val & 1 << 12) ? 'Y' : 'X';
+ int pitch = 1 << (((val & 0x70) >> 4) - 1);
+ unsigned int offset = val & 0x0ff00000;
+ int size = (1024 * 1024) << (((val & 0x700) >> 8) - 1);
+
+ if (IS_965(devid) || (IS_915(devid) && reg >= FENCE_NEW))
+ return;
+
+ if (format == 'X')
+ pitch *= 4;
+
+ asprintf(result, "%s, %c tiled, %4d pitch, 0x%08x - 0x%08x (%dkb)",
+ enable, format, pitch, offset, offset + size,
+ size / 1024);
+}
+
+DEBUGSTRING(i810_debug_965_fence_start)
+{
+ char *enable = (val & FENCE_VALID) ? " enabled" : "disabled";
+ char format = (val & I965_FENCE_Y_MAJOR) ? 'Y' : 'X';
+ int pitch = ((val & 0xffc) >> 2) * 128;
+ unsigned int offset = val & 0xfffff000;
+
+ if (!IS_965(devid))
+ return;
+
+ asprintf(result, "%s, %c tile walk, %4d pitch, 0x%08x start",
+ enable, format, pitch, offset);
+}
+
+DEBUGSTRING(i810_debug_965_fence_end)
+{
+ unsigned int end = val & 0xfffff000;
+
+ if (!IS_965(devid))
+ return;
+
+ asprintf(result, " 0x%08x end", end);
+}
+
+#define DEFINEREG(reg) \
+ { reg, #reg, NULL, 0 }
+#define DEFINEREG_16BIT(reg) \
+ { reg, #reg, i830_16bit_func, 0 }
+#define DEFINEREG2(reg, func) \
+ { reg, #reg, func, 0 }
+
+struct reg_debug {
+ int reg;
+ char *name;
+ void (*debug_output) (char **result, int reg, uint32_t val);
+ uint32_t val;
+};
+
+static struct reg_debug intel_debug_regs[] = {
+ DEFINEREG2(DCC, i830_debug_dcc),
+ DEFINEREG2(CHDECMISC, i830_debug_chdecmisc),
+ DEFINEREG_16BIT(C0DRB0),
+ DEFINEREG_16BIT(C0DRB1),
+ DEFINEREG_16BIT(C0DRB2),
+ DEFINEREG_16BIT(C0DRB3),
+ DEFINEREG_16BIT(C1DRB0),
+ DEFINEREG_16BIT(C1DRB1),
+ DEFINEREG_16BIT(C1DRB2),
+ DEFINEREG_16BIT(C1DRB3),
+ DEFINEREG_16BIT(C0DRA01),
+ DEFINEREG_16BIT(C0DRA23),
+ DEFINEREG_16BIT(C1DRA01),
+ DEFINEREG_16BIT(C1DRA23),
+
+ DEFINEREG(PGETBL_CTL),
+
+ DEFINEREG2(VCLK_DIVISOR_VGA0, i830_debug_fp),
+ DEFINEREG2(VCLK_DIVISOR_VGA1, i830_debug_fp),
+ DEFINEREG2(VCLK_POST_DIV, i830_debug_vga_pd),
+ DEFINEREG2(DPLL_TEST, i830_debug_dpll_test),
+ DEFINEREG(CACHE_MODE_0),
+ DEFINEREG(D_STATE),
+ DEFINEREG2(DSPCLK_GATE_D, i830_debug_dspclk_gate_d),
+ DEFINEREG(RENCLK_GATE_D1),
+ DEFINEREG(RENCLK_GATE_D2),
+/* DEFINEREG(RAMCLK_GATE_D), CRL only */
+ DEFINEREG2(SDVOB, i830_debug_sdvo),
+ DEFINEREG2(SDVOC, i830_debug_sdvo),
+/* DEFINEREG(UDIB_SVB_SHB_CODES), CRL only */
+/* DEFINEREG(UDIB_SHA_BLANK_CODES), CRL only */
+ DEFINEREG(SDVOUDI),
+ DEFINEREG(DSPARB),
+ DEFINEREG(DSPFW1),
+ DEFINEREG(DSPFW2),
+ DEFINEREG(DSPFW3),
+
+ DEFINEREG2(ADPA, i830_debug_adpa),
+ DEFINEREG2(LVDS, i830_debug_lvds),
+ DEFINEREG2(DVOA, i830_debug_dvo),
+ DEFINEREG2(DVOB, i830_debug_dvo),
+ DEFINEREG2(DVOC, i830_debug_dvo),
+ DEFINEREG(DVOA_SRCDIM),
+ DEFINEREG(DVOB_SRCDIM),
+ DEFINEREG(DVOC_SRCDIM),
+
+ DEFINEREG2(PP_CONTROL, i830_debug_pp_control),
+ DEFINEREG2(PP_STATUS, i830_debug_pp_status),
+ DEFINEREG(PP_ON_DELAYS),
+ DEFINEREG(PP_OFF_DELAYS),
+ DEFINEREG(PP_DIVISOR),
+ DEFINEREG(PFIT_CONTROL),
+ DEFINEREG(PFIT_PGM_RATIOS),
+ DEFINEREG(PORT_HOTPLUG_EN),
+ DEFINEREG(PORT_HOTPLUG_STAT),
+
+ DEFINEREG2(DSPACNTR, i830_debug_dspcntr),
+ DEFINEREG2(DSPASTRIDE, i830_debug_dspstride),
+ DEFINEREG2(DSPAPOS, i830_debug_xy),
+ DEFINEREG2(DSPASIZE, i830_debug_xyminus1),
+ DEFINEREG(DSPABASE),
+ DEFINEREG(DSPASURF),
+ DEFINEREG(DSPATILEOFF),
+ DEFINEREG2(PIPEACONF, i830_debug_pipeconf),
+ DEFINEREG2(PIPEASRC, i830_debug_yxminus1),
+ DEFINEREG2(PIPEASTAT, i830_debug_pipestat),
+ DEFINEREG(PIPEA_GMCH_DATA_M),
+ DEFINEREG(PIPEA_GMCH_DATA_N),
+ DEFINEREG(PIPEA_DP_LINK_M),
+ DEFINEREG(PIPEA_DP_LINK_N),
+ DEFINEREG(CURSOR_A_BASE),
+ DEFINEREG(CURSOR_A_CONTROL),
+ DEFINEREG(CURSOR_A_POSITION),
+
+ DEFINEREG2(FPA0, i830_debug_fp),
+ DEFINEREG2(FPA1, i830_debug_fp),
+ DEFINEREG2(DPLL_A, i830_debug_dpll),
+ DEFINEREG(DPLL_A_MD),
+ DEFINEREG2(HTOTAL_A, i830_debug_hvtotal),
+ DEFINEREG2(HBLANK_A, i830_debug_hvsyncblank),
+ DEFINEREG2(HSYNC_A, i830_debug_hvsyncblank),
+ DEFINEREG2(VTOTAL_A, i830_debug_hvtotal),
+ DEFINEREG2(VBLANK_A, i830_debug_hvsyncblank),
+ DEFINEREG2(VSYNC_A, i830_debug_hvsyncblank),
+ DEFINEREG(BCLRPAT_A),
+ DEFINEREG(VSYNCSHIFT_A),
+
+ DEFINEREG2(DSPBCNTR, i830_debug_dspcntr),
+ DEFINEREG2(DSPBSTRIDE, i830_debug_dspstride),
+ DEFINEREG2(DSPBPOS, i830_debug_xy),
+ DEFINEREG2(DSPBSIZE, i830_debug_xyminus1),
+ DEFINEREG(DSPBBASE),
+ DEFINEREG(DSPBSURF),
+ DEFINEREG(DSPBTILEOFF),
+ DEFINEREG2(PIPEBCONF, i830_debug_pipeconf),
+ DEFINEREG2(PIPEBSRC, i830_debug_yxminus1),
+ DEFINEREG2(PIPEBSTAT, i830_debug_pipestat),
+ DEFINEREG(PIPEB_GMCH_DATA_M),
+ DEFINEREG(PIPEB_GMCH_DATA_N),
+ DEFINEREG(PIPEB_DP_LINK_M),
+ DEFINEREG(PIPEB_DP_LINK_N),
+ DEFINEREG(CURSOR_B_BASE),
+ DEFINEREG(CURSOR_B_CONTROL),
+ DEFINEREG(CURSOR_B_POSITION),
+
+ DEFINEREG2(FPB0, i830_debug_fp),
+ DEFINEREG2(FPB1, i830_debug_fp),
+ DEFINEREG2(DPLL_B, i830_debug_dpll),
+ DEFINEREG(DPLL_B_MD),
+ DEFINEREG2(HTOTAL_B, i830_debug_hvtotal),
+ DEFINEREG2(HBLANK_B, i830_debug_hvsyncblank),
+ DEFINEREG2(HSYNC_B, i830_debug_hvsyncblank),
+ DEFINEREG2(VTOTAL_B, i830_debug_hvtotal),
+ DEFINEREG2(VBLANK_B, i830_debug_hvsyncblank),
+ DEFINEREG2(VSYNC_B, i830_debug_hvsyncblank),
+ DEFINEREG(BCLRPAT_B),
+ DEFINEREG(VSYNCSHIFT_B),
+
+ DEFINEREG(VCLK_DIVISOR_VGA0),
+ DEFINEREG(VCLK_DIVISOR_VGA1),
+ DEFINEREG(VCLK_POST_DIV),
+ DEFINEREG2(VGACNTRL, i830_debug_vgacntrl),
+
+ DEFINEREG(TV_CTL),
+ DEFINEREG(TV_DAC),
+ DEFINEREG(TV_CSC_Y),
+ DEFINEREG(TV_CSC_Y2),
+ DEFINEREG(TV_CSC_U),
+ DEFINEREG(TV_CSC_U2),
+ DEFINEREG(TV_CSC_V),
+ DEFINEREG(TV_CSC_V2),
+ DEFINEREG(TV_CLR_KNOBS),
+ DEFINEREG(TV_CLR_LEVEL),
+ DEFINEREG(TV_H_CTL_1),
+ DEFINEREG(TV_H_CTL_2),
+ DEFINEREG(TV_H_CTL_3),
+ DEFINEREG(TV_V_CTL_1),
+ DEFINEREG(TV_V_CTL_2),
+ DEFINEREG(TV_V_CTL_3),
+ DEFINEREG(TV_V_CTL_4),
+ DEFINEREG(TV_V_CTL_5),
+ DEFINEREG(TV_V_CTL_6),
+ DEFINEREG(TV_V_CTL_7),
+ DEFINEREG(TV_SC_CTL_1),
+ DEFINEREG(TV_SC_CTL_2),
+ DEFINEREG(TV_SC_CTL_3),
+ DEFINEREG(TV_WIN_POS),
+ DEFINEREG(TV_WIN_SIZE),
+ DEFINEREG(TV_FILTER_CTL_1),
+ DEFINEREG(TV_FILTER_CTL_2),
+ DEFINEREG(TV_FILTER_CTL_3),
+ DEFINEREG(TV_CC_CONTROL),
+ DEFINEREG(TV_CC_DATA),
+ DEFINEREG(TV_H_LUMA_0),
+ DEFINEREG(TV_H_LUMA_59),
+ DEFINEREG(TV_H_CHROMA_0),
+ DEFINEREG(TV_H_CHROMA_59),
+
+ DEFINEREG(FBC_CFB_BASE),
+ DEFINEREG(FBC_LL_BASE),
+ DEFINEREG(FBC_CONTROL),
+ DEFINEREG(FBC_COMMAND),
+ DEFINEREG(FBC_STATUS),
+ DEFINEREG(FBC_CONTROL2),
+ DEFINEREG(FBC_FENCE_OFF),
+ DEFINEREG(FBC_MOD_NUM),
+
+ DEFINEREG(MI_MODE),
+ /* DEFINEREG(MI_DISPLAY_POWER_DOWN), CRL only */
+ DEFINEREG(MI_ARB_STATE),
+ DEFINEREG(MI_RDRET_STATE),
+ DEFINEREG(ECOSKPD),
+
+ DEFINEREG(DP_B),
+ DEFINEREG(DPB_AUX_CH_CTL),
+ DEFINEREG(DPB_AUX_CH_DATA1),
+ DEFINEREG(DPB_AUX_CH_DATA2),
+ DEFINEREG(DPB_AUX_CH_DATA3),
+ DEFINEREG(DPB_AUX_CH_DATA4),
+ DEFINEREG(DPB_AUX_CH_DATA5),
+
+ DEFINEREG(DP_C),
+ DEFINEREG(DPC_AUX_CH_CTL),
+ DEFINEREG(DPC_AUX_CH_DATA1),
+ DEFINEREG(DPC_AUX_CH_DATA2),
+ DEFINEREG(DPC_AUX_CH_DATA3),
+ DEFINEREG(DPC_AUX_CH_DATA4),
+ DEFINEREG(DPC_AUX_CH_DATA5),
+
+ DEFINEREG(DP_D),
+ DEFINEREG(DPD_AUX_CH_CTL),
+ DEFINEREG(DPD_AUX_CH_DATA1),
+ DEFINEREG(DPD_AUX_CH_DATA2),
+ DEFINEREG(DPD_AUX_CH_DATA3),
+ DEFINEREG(DPD_AUX_CH_DATA4),
+ DEFINEREG(DPD_AUX_CH_DATA5),
+
+ DEFINEREG(AUD_CONFIG),
+ DEFINEREG(AUD_HDMIW_STATUS),
+ DEFINEREG(AUD_CONV_CHCNT),
+ DEFINEREG(VIDEO_DIP_CTL),
+ DEFINEREG(AUD_PINW_CNTR),
+ DEFINEREG(AUD_CNTL_ST),
+ DEFINEREG(AUD_PIN_CAP),
+ DEFINEREG(AUD_PINW_CAP),
+ DEFINEREG(AUD_PINW_UNSOLRESP),
+ DEFINEREG(AUD_OUT_DIG_CNVT),
+ DEFINEREG(AUD_OUT_CWCAP),
+ DEFINEREG(AUD_GRP_CAP),
+
+#define DEFINEFENCE_915(i) \
+ { FENCE+i*4, "FENCE " #i, i810_debug_915_fence, 0 }
+#define DEFINEFENCE_945(i) \
+ { FENCE_NEW+(i - 8) * 4, "FENCE " #i, i810_debug_915_fence, 0 }
+
+ DEFINEFENCE_915(0),
+ DEFINEFENCE_915(1),
+ DEFINEFENCE_915(2),
+ DEFINEFENCE_915(3),
+ DEFINEFENCE_915(4),
+ DEFINEFENCE_915(5),
+ DEFINEFENCE_915(6),
+ DEFINEFENCE_915(7),
+ DEFINEFENCE_945(8),
+ DEFINEFENCE_945(9),
+ DEFINEFENCE_945(10),
+ DEFINEFENCE_945(11),
+ DEFINEFENCE_945(12),
+ DEFINEFENCE_945(13),
+ DEFINEFENCE_945(14),
+ DEFINEFENCE_945(15),
+
+#define DEFINEFENCE_965(i) \
+ { FENCE_NEW+i*8, "FENCE START " #i, i810_debug_965_fence_start, 0 }, \
+ { FENCE_NEW+i*8+4, "FENCE END " #i, i810_debug_965_fence_end, 0 }
+
+ DEFINEFENCE_965(0),
+ DEFINEFENCE_965(1),
+ DEFINEFENCE_965(2),
+ DEFINEFENCE_965(3),
+ DEFINEFENCE_965(4),
+ DEFINEFENCE_965(5),
+ DEFINEFENCE_965(6),
+ DEFINEFENCE_965(7),
+ DEFINEFENCE_965(8),
+ DEFINEFENCE_965(9),
+ DEFINEFENCE_965(10),
+ DEFINEFENCE_965(11),
+ DEFINEFENCE_965(12),
+ DEFINEFENCE_965(13),
+ DEFINEFENCE_965(14),
+ DEFINEFENCE_965(15),
+};
+
+DEBUGSTRING(ironlake_debug_rr_hw_ctl)
+{
+ asprintf(result, "low %d, high %d", val & RR_HW_LOW_POWER_FRAMES_MASK,
+ (val & RR_HW_HIGH_POWER_FRAMES_MASK) >> 8);
+}
+
+DEBUGSTRING(ironlake_debug_m_tu)
+{
+ asprintf(result, "TU %d, val 0x%x %d", (val >> 25) + 1, val & 0xffffff,
+ val & 0xffffff);
+}
+
+DEBUGSTRING(ironlake_debug_n)
+{
+ asprintf(result, "val 0x%x %d", val & 0xffffff, val & 0xffffff);
+}
+
+DEBUGSTRING(ironlake_debug_fdi_tx_ctl)
+{
+ char *train = NULL, *voltage = NULL, *pre_emphasis = NULL, *portw =
+ NULL;
+
+ switch (val & FDI_LINK_TRAIN_NONE) {
+ case FDI_LINK_TRAIN_PATTERN_1:
+ train = "pattern_1";
+ break;
+ case FDI_LINK_TRAIN_PATTERN_2:
+ train = "pattern_2";
+ break;
+ case FDI_LINK_TRAIN_PATTERN_IDLE:
+ train = "pattern_idle";
+ break;
+ case FDI_LINK_TRAIN_NONE:
+ train = "not train";
+ break;
+ }
+
+ switch (val & (7 << 25)) {
+ case FDI_LINK_TRAIN_VOLTAGE_0_4V:
+ voltage = "0.4V";
+ break;
+ case FDI_LINK_TRAIN_VOLTAGE_0_6V:
+ voltage = "0.6V";
+ break;
+ case FDI_LINK_TRAIN_VOLTAGE_0_8V:
+ voltage = "0.8V";
+ break;
+ case FDI_LINK_TRAIN_VOLTAGE_1_2V:
+ voltage = "1.2V";
+ break;
+ default:
+ voltage = "reserved";
+ }
+
+ switch (val & (7 << 22)) {
+ case FDI_LINK_TRAIN_PRE_EMPHASIS_NONE:
+ pre_emphasis = "none";
+ break;
+ case FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X:
+ pre_emphasis = "1.5x";
+ break;
+ case FDI_LINK_TRAIN_PRE_EMPHASIS_2X:
+ pre_emphasis = "2x";
+ break;
+ case FDI_LINK_TRAIN_PRE_EMPHASIS_3X:
+ pre_emphasis = "3x";
+ break;
+ default:
+ pre_emphasis = "reserved";
+ }
+
+ switch (val & (7 << 19)) {
+ case FDI_DP_PORT_WIDTH_X1:
+ portw = "X1";
+ break;
+ case FDI_DP_PORT_WIDTH_X2:
+ portw = "X2";
+ break;
+ case FDI_DP_PORT_WIDTH_X3:
+ portw = "X3";
+ break;
+ case FDI_DP_PORT_WIDTH_X4:
+ portw = "X4";
+ break;
+ }
+
+ asprintf(result, "%s, train pattern %s, voltage swing %s,"
+ "pre-emphasis %s, port width %s, enhanced framing %s, FDI PLL %s, scrambing %s, master mode %s",
+ val & FDI_TX_ENABLE ? "enable" : "disable",
+ train, voltage, pre_emphasis, portw,
+ val & FDI_TX_ENHANCE_FRAME_ENABLE ? "enable" :
+ "disable",
+ val & FDI_TX_PLL_ENABLE ? "enable" : "disable",
+ val & (1 << 7) ? "disable" : "enable",
+ val & (1 << 0) ? "enable" : "disable");
+}
+
+DEBUGSTRING(ironlake_debug_fdi_rx_ctl)
+{
+ char *train = NULL, *portw = NULL, *bpc = NULL;
+
+ switch (val & FDI_LINK_TRAIN_NONE) {
+ case FDI_LINK_TRAIN_PATTERN_1:
+ train = "pattern_1";
+ break;
+ case FDI_LINK_TRAIN_PATTERN_2:
+ train = "pattern_2";
+ break;
+ case FDI_LINK_TRAIN_PATTERN_IDLE:
+ train = "pattern_idle";
+ break;
+ case FDI_LINK_TRAIN_NONE:
+ train = "not train";
+ break;
+ }
+
+ switch (val & (7 << 19)) {
+ case FDI_DP_PORT_WIDTH_X1:
+ portw = "X1";
+ break;
+ case FDI_DP_PORT_WIDTH_X2:
+ portw = "X2";
+ break;
+ case FDI_DP_PORT_WIDTH_X3:
+ portw = "X3";
+ break;
+ case FDI_DP_PORT_WIDTH_X4:
+ portw = "X4";
+ break;
+ }
+
+ switch (val & (7 << 16)) {
+ case FDI_8BPC:
+ bpc = "8bpc";
+ break;
+ case FDI_10BPC:
+ bpc = "10bpc";
+ break;
+ case FDI_6BPC:
+ bpc = "6bpc";
+ break;
+ case FDI_12BPC:
+ bpc = "12bpc";
+ break;
+ }
+
+ asprintf(result, "%s, train pattern %s, port width %s, %s,"
+ "link_reverse_strap_overwrite %s, dmi_link_reverse %s, FDI PLL %s,"
+ "FS ecc %s, FE ecc %s, FS err report %s, FE err report %s,"
+ "scrambing %s, enhanced framing %s, %s",
+ val & FDI_RX_ENABLE ? "enable" : "disable",
+ train, portw, bpc,
+ val & FDI_LINK_REVERSE_OVERWRITE ? "yes" : "no",
+ val & FDI_DMI_LINK_REVERSE_MASK ? "yes" : "no",
+ val & FDI_RX_PLL_ENABLE ? "enable" : "disable",
+ val & FDI_FS_ERR_CORRECT_ENABLE ? "enable" : "disable",
+ val & FDI_FE_ERR_CORRECT_ENABLE ? "enable" : "disable",
+ val & FDI_FS_ERR_REPORT_ENABLE ? "enable" : "disable",
+ val & FDI_FE_ERR_REPORT_ENABLE ? "enable" : "disable",
+ val & (1 << 7) ? "disable" : "enable",
+ val & FDI_RX_ENHANCE_FRAME_ENABLE ? "enable" :
+ "disable", val & FDI_SEL_PCDCLK ? "PCDClk" : "RawClk");
+}
+
+DEBUGSTRING(ironlake_debug_dspstride)
+{
+ asprintf(result, "%d", val >> 6);
+}
+
+DEBUGSTRING(ironlake_debug_pch_dpll)
+{
+ char *enable = val & DPLL_VCO_ENABLE ? "enable" : "disable";
+ char *highspeed = val & DPLL_DVO_HIGH_SPEED ? "yes" : "no";
+ char *mode = NULL;
+ char *p2 = NULL;
+ int fpa0_p1, fpa1_p1;
+ char *refclk = NULL;
+ int sdvo_mul;
+
+ if ((val & DPLLB_MODE_LVDS) == DPLLB_MODE_LVDS) {
+ mode = "LVDS";
+ if (val & DPLLB_LVDS_P2_CLOCK_DIV_7)
+ p2 = "Div 7";
+ else
+ p2 = "Div 14";
+ } else if ((val & DPLLB_MODE_LVDS) == DPLLB_MODE_DAC_SERIAL) {
+ mode = "Non-LVDS";
+ if (val & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5)
+ p2 = "Div 5";
+ else
+ p2 = "Div 10";
+ }
+ fpa0_p1 = ffs((val & DPLL_FPA01_P1_POST_DIV_MASK) >> 16);
+ fpa1_p1 = ffs((val & DPLL_FPA1_P1_POST_DIV_MASK));
+
+ switch (val & PLL_REF_INPUT_MASK) {
+ case PLL_REF_INPUT_DREFCLK:
+ refclk = "default 120Mhz";
+ break;
+ case PLL_REF_INPUT_SUPER_SSC:
+ refclk = "SuperSSC 120Mhz";
+ break;
+ case PLL_REF_INPUT_TVCLKINBC:
+ refclk = "SDVO TVClkIn";
+ break;
+ case PLLB_REF_INPUT_SPREADSPECTRUMIN:
+ refclk = "SSC";
+ break;
+ case PLL_REF_INPUT_DMICLK:
+ refclk = "DMI RefCLK";
+ break;
+ }
+
+ sdvo_mul = ((val & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) >> 9) + 1;
+
+ asprintf(result, "%s, sdvo high speed %s, mode %s, p2 %s, "
+ "FPA0 P1 %d, FPA1 P1 %d, refclk %s, sdvo/hdmi mul %d",
+ enable, highspeed, mode, p2, fpa0_p1, fpa1_p1, refclk,
+ sdvo_mul);
+}
+
+DEBUGSTRING(ironlake_debug_dref_ctl)
+{
+ char *cpu_source;
+ char *ssc_source = val & DREF_SSC_SOURCE_ENABLE ? "enable" : "disable";
+ char *nonspread_source =
+ val & DREF_NONSPREAD_SOURCE_ENABLE ? "enable" : "disable";
+ char *superspread_source =
+ val & DREF_SUPERSPREAD_SOURCE_ENABLE ? "enable" : "disable";
+ char *ssc4_mode =
+ val & DREF_SSC4_CENTERSPREAD ? "centerspread" : "downspread";
+ char *ssc1 = val & DREF_SSC1_ENABLE ? "enable" : "disable";
+ char *ssc4 = val & DREF_SSC4_ENABLE ? "enable" : "disable";
+
+ switch (val & DREF_CPU_SOURCE_OUTPUT_NONSPREAD) {
+ case DREF_CPU_SOURCE_OUTPUT_DISABLE:
+ cpu_source = "disable";
+ break;
+ case DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD:
+ cpu_source = "downspread";
+ break;
+ case DREF_CPU_SOURCE_OUTPUT_NONSPREAD:
+ cpu_source = "nonspread";
+ break;
+ default:
+ cpu_source = "reserved";
+ }
+ asprintf(result, "cpu source %s, ssc_source %s, nonspread_source %s, "
+ "superspread_source %s, ssc4_mode %s, ssc1 %s, ssc4 %s",
+ cpu_source, ssc_source, nonspread_source,
+ superspread_source, ssc4_mode, ssc1, ssc4);
+}
+
+DEBUGSTRING(ironlake_debug_rawclk_freq)
+{
+ char *tp1 = NULL, *tp2 = NULL;
+
+ switch (val & FDL_TP1_TIMER_MASK) {
+ case 0:
+ tp1 = "0.5us";
+ break;
+ case (1 << 12):
+ tp1 = "1.0us";
+ break;
+ case (2 << 12):
+ tp1 = "2.0us";
+ break;
+ case (3 << 12):
+ tp1 = "4.0us";
+ break;
+ }
+ switch (val & FDL_TP2_TIMER_MASK) {
+ case 0:
+ tp2 = "1.5us";
+ break;
+ case (1 << 10):
+ tp2 = "3.0us";
+ break;
+ case (2 << 10):
+ tp2 = "6.0us";
+ break;
+ case (3 << 10):
+ tp2 = "12.0us";
+ break;
+ }
+ asprintf(result, "FDL_TP1 timer %s, FDL_TP2 timer %s, freq %d",
+ tp1, tp2, val & RAWCLK_FREQ_MASK);
+
+}
+
+DEBUGSTRING(ironlake_debug_fdi_rx_misc)
+{
+ asprintf(result, "FDI Delay %d", val & ((1 << 13) - 1));
+}
+
+DEBUGSTRING(ironlake_debug_transconf)
+{
+ asprintf(result, "%s, %s",
+ val & TRANS_ENABLE ? "enable" : "disable",
+ val & TRANS_STATE_ENABLE ? "active" : "inactive");
+}
+
+DEBUGSTRING(ironlake_debug_panel_fitting)
+{
+ char *vadapt = NULL, *filter_sel = NULL;
+
+ switch (val & (3 << 25)) {
+ case 0:
+ vadapt = "least";
+ break;
+ case (1 << 25):
+ vadapt = "moderate";
+ break;
+ case (2 << 25):
+ vadapt = "reserved";
+ break;
+ case (3 << 25):
+ vadapt = "most";
+ break;
+ }
+
+ switch (val & (3 << 23)) {
+ case 0:
+ filter_sel = "programmed";
+ break;
+ case (1 << 25):
+ filter_sel = "hardcoded";
+ break;
+ case (2 << 25):
+ filter_sel = "edge_enhance";
+ break;
+ case (3 << 25):
+ filter_sel = "edge_soften";
+ break;
+ }
+
+ asprintf(result,
+ "%s, auto_scale %s, auto_scale_cal %s, v_filter %s, vadapt %s, mode %s, filter_sel %s,"
+ "chroma pre-filter %s, vert3tap %s, v_inter_invert %s",
+ val & PF_ENABLE ? "enable" : "disable",
+ val & (1 << 30) ? "no" : "yes", val & (1 << 29) ? "yes" : "no",
+ val & (1 << 28) ? "bypass" : "enable",
+ val & (1 << 27) ? "enable" : "disable", vadapt, filter_sel,
+ val & (1 << 22) ? "enable" : "disable",
+ val & (1 << 21) ? "force" : "auto",
+ val & (1 << 20) ? "field 0" : "field 1");
+}
+
+DEBUGSTRING(ironlake_debug_pf_win)
+{
+ int a, b;
+
+ a = (val >> 16) & 0x1fff;
+ b = val & 0xfff;
+
+ asprintf(result, "%d, %d", a, b);
+}
+
+static struct reg_debug ironlake_debug_regs[] = {
+ DEFINEREG2(CPU_VGACNTRL, i830_debug_vgacntrl),
+ DEFINEREG(DIGITAL_PORT_HOTPLUG_CNTRL),
+
+ DEFINEREG2(RR_HW_CTL, ironlake_debug_rr_hw_ctl),
+
+ DEFINEREG(FDI_PLL_BIOS_0),
+ DEFINEREG(FDI_PLL_BIOS_1),
+ DEFINEREG(FDI_PLL_BIOS_2),
+
+ DEFINEREG(DISPLAY_PORT_PLL_BIOS_0),
+ DEFINEREG(DISPLAY_PORT_PLL_BIOS_1),
+ DEFINEREG(DISPLAY_PORT_PLL_BIOS_2),
+
+ DEFINEREG(FDI_PLL_FREQ_CTL),
+
+ DEFINEREG2(PIPEACONF, i830_debug_pipeconf),
+
+ DEFINEREG2(HTOTAL_A, i830_debug_hvtotal),
+ DEFINEREG2(HBLANK_A, i830_debug_hvsyncblank),
+ DEFINEREG2(HSYNC_A, i830_debug_hvsyncblank),
+ DEFINEREG2(VTOTAL_A, i830_debug_hvtotal),
+ DEFINEREG2(VBLANK_A, i830_debug_hvsyncblank),
+ DEFINEREG2(VSYNC_A, i830_debug_hvsyncblank),
+ DEFINEREG(VSYNCSHIFT_A),
+ DEFINEREG2(PIPEASRC, i830_debug_yxminus1),
+
+ DEFINEREG2(PIPEA_DATA_M1, ironlake_debug_m_tu),
+ DEFINEREG2(PIPEA_DATA_N1, ironlake_debug_n),
+ DEFINEREG2(PIPEA_DATA_M2, ironlake_debug_m_tu),
+ DEFINEREG2(PIPEA_DATA_N2, ironlake_debug_n),
+
+ DEFINEREG2(PIPEA_LINK_M1, ironlake_debug_n),
+ DEFINEREG2(PIPEA_LINK_N1, ironlake_debug_n),
+ DEFINEREG2(PIPEA_LINK_M2, ironlake_debug_n),
+ DEFINEREG2(PIPEA_LINK_N2, ironlake_debug_n),
+
+ DEFINEREG2(DSPACNTR, i830_debug_dspcntr),
+ DEFINEREG(DSPABASE),
+ DEFINEREG2(DSPASTRIDE, ironlake_debug_dspstride),
+ DEFINEREG(DSPASURF),
+ DEFINEREG2(DSPATILEOFF, i830_debug_xy),
+
+ DEFINEREG2(PIPEBCONF, i830_debug_pipeconf),
+
+ DEFINEREG2(HTOTAL_B, i830_debug_hvtotal),
+ DEFINEREG2(HBLANK_B, i830_debug_hvsyncblank),
+ DEFINEREG2(HSYNC_B, i830_debug_hvsyncblank),
+ DEFINEREG2(VTOTAL_B, i830_debug_hvtotal),
+ DEFINEREG2(VBLANK_B, i830_debug_hvsyncblank),
+ DEFINEREG2(VSYNC_B, i830_debug_hvsyncblank),
+ DEFINEREG(VSYNCSHIFT_B),
+
+ DEFINEREG2(DSPBCNTR, i830_debug_dspcntr),
+ DEFINEREG(DSPBBASE),
+ DEFINEREG2(DSPBSTRIDE, ironlake_debug_dspstride),
+ DEFINEREG(DSPBSURF),
+ DEFINEREG2(DSPBTILEOFF, i830_debug_xy),
+
+ DEFINEREG2(PIPEBSRC, i830_debug_yxminus1),
+
+ DEFINEREG2(PIPEB_DATA_M1, ironlake_debug_m_tu),
+ DEFINEREG2(PIPEB_DATA_N1, ironlake_debug_n),
+ DEFINEREG2(PIPEB_DATA_M2, ironlake_debug_m_tu),
+ DEFINEREG2(PIPEB_DATA_N2, ironlake_debug_n),
+
+ DEFINEREG2(PIPEB_LINK_M1, ironlake_debug_n),
+ DEFINEREG2(PIPEB_LINK_N1, ironlake_debug_n),
+ DEFINEREG2(PIPEB_LINK_M2, ironlake_debug_n),
+ DEFINEREG2(PIPEB_LINK_N2, ironlake_debug_n),
+
+ DEFINEREG2(PFA_CTL_1, ironlake_debug_panel_fitting),
+ DEFINEREG2(PFB_CTL_1, ironlake_debug_panel_fitting),
+ DEFINEREG2(PFA_WIN_POS, ironlake_debug_pf_win),
+ DEFINEREG2(PFB_WIN_POS, ironlake_debug_pf_win),
+ DEFINEREG2(PFA_WIN_SIZE, ironlake_debug_pf_win),
+ DEFINEREG2(PFB_WIN_SIZE, ironlake_debug_pf_win),
+
+ /* PCH */
+
+ DEFINEREG2(PCH_DREF_CONTROL, ironlake_debug_dref_ctl),
+ DEFINEREG2(PCH_RAWCLK_FREQ, ironlake_debug_rawclk_freq),
+ DEFINEREG(PCH_DPLL_TMR_CFG),
+ DEFINEREG(PCH_SSC4_PARMS),
+ DEFINEREG(PCH_SSC4_AUX_PARMS),
+
+ DEFINEREG2(PCH_DPLL_A, ironlake_debug_pch_dpll),
+ DEFINEREG2(PCH_DPLL_B, ironlake_debug_pch_dpll),
+ DEFINEREG2(PCH_FPA0, i830_debug_fp),
+ DEFINEREG2(PCH_FPA1, i830_debug_fp),
+ DEFINEREG2(PCH_FPB0, i830_debug_fp),
+ DEFINEREG2(PCH_FPB1, i830_debug_fp),
+
+ DEFINEREG2(TRANS_HTOTAL_A, i830_debug_hvtotal),
+ DEFINEREG2(TRANS_HBLANK_A, i830_debug_hvsyncblank),
+ DEFINEREG2(TRANS_HSYNC_A, i830_debug_hvsyncblank),
+ DEFINEREG2(TRANS_VTOTAL_A, i830_debug_hvtotal),
+ DEFINEREG2(TRANS_VBLANK_A, i830_debug_hvsyncblank),
+ DEFINEREG2(TRANS_VSYNC_A, i830_debug_hvsyncblank),
+
+ DEFINEREG2(TRANSA_DATA_M1, ironlake_debug_m_tu),
+ DEFINEREG2(TRANSA_DATA_N1, ironlake_debug_n),
+ DEFINEREG2(TRANSA_DATA_M2, ironlake_debug_m_tu),
+ DEFINEREG2(TRANSA_DATA_N2, ironlake_debug_n),
+ DEFINEREG2(TRANSA_DP_LINK_M1, ironlake_debug_n),
+ DEFINEREG2(TRANSA_DP_LINK_N1, ironlake_debug_n),
+ DEFINEREG2(TRANSA_DP_LINK_M2, ironlake_debug_n),
+ DEFINEREG2(TRANSA_DP_LINK_N2, ironlake_debug_n),
+
+ DEFINEREG2(TRANS_HTOTAL_B, i830_debug_hvtotal),
+ DEFINEREG2(TRANS_HBLANK_B, i830_debug_hvsyncblank),
+ DEFINEREG2(TRANS_HSYNC_B, i830_debug_hvsyncblank),
+ DEFINEREG2(TRANS_VTOTAL_B, i830_debug_hvtotal),
+ DEFINEREG2(TRANS_VBLANK_B, i830_debug_hvsyncblank),
+ DEFINEREG2(TRANS_VSYNC_B, i830_debug_hvsyncblank),
+
+ DEFINEREG2(TRANSB_DATA_M1, ironlake_debug_m_tu),
+ DEFINEREG2(TRANSB_DATA_N1, ironlake_debug_n),
+ DEFINEREG2(TRANSB_DATA_M2, ironlake_debug_m_tu),
+ DEFINEREG2(TRANSB_DATA_N2, ironlake_debug_n),
+ DEFINEREG2(TRANSB_DP_LINK_M1, ironlake_debug_n),
+ DEFINEREG2(TRANSB_DP_LINK_N1, ironlake_debug_n),
+ DEFINEREG2(TRANSB_DP_LINK_M2, ironlake_debug_n),
+ DEFINEREG2(TRANSB_DP_LINK_N2, ironlake_debug_n),
+
+ DEFINEREG2(TRANSACONF, ironlake_debug_transconf),
+ DEFINEREG2(TRANSBCONF, ironlake_debug_transconf),
+
+ DEFINEREG2(FDI_TXA_CTL, ironlake_debug_fdi_tx_ctl),
+ DEFINEREG2(FDI_TXB_CTL, ironlake_debug_fdi_tx_ctl),
+ DEFINEREG2(FDI_RXA_CTL, ironlake_debug_fdi_rx_ctl),
+ DEFINEREG2(FDI_RXB_CTL, ironlake_debug_fdi_rx_ctl),
+
+ DEFINEREG2(FDI_RXA_MISC, ironlake_debug_fdi_rx_misc),
+ DEFINEREG2(FDI_RXB_MISC, ironlake_debug_fdi_rx_misc),
+ DEFINEREG(FDI_RXA_TUSIZE1),
+ DEFINEREG(FDI_RXA_TUSIZE2),
+ DEFINEREG(FDI_RXB_TUSIZE1),
+ DEFINEREG(FDI_RXB_TUSIZE2),
+
+ DEFINEREG(FDI_PLL_CTL_1),
+ DEFINEREG(FDI_PLL_CTL_2),
+
+ DEFINEREG(FDI_RXA_IIR),
+ DEFINEREG(FDI_RXA_IMR),
+ DEFINEREG(FDI_RXB_IIR),
+ DEFINEREG(FDI_RXB_IMR),
+
+ DEFINEREG2(PCH_ADPA, i830_debug_adpa),
+ DEFINEREG(HDMIB),
+ DEFINEREG(HDMIC),
+ DEFINEREG(HDMID),
+ DEFINEREG2(PCH_LVDS, i830_debug_lvds),
+};
+
+static void
+ironlake_dump_regs(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ironlake_debug_regs); i++) {
+ uint32_t val = INREG(ironlake_debug_regs[i].reg);
+
+ if (ironlake_debug_regs[i].debug_output != NULL) {
+ char *debug = NULL;
+ ironlake_debug_regs[i].debug_output(&debug,
+ ironlake_debug_regs
+ [i].reg,
+ val);
+ if (debug != NULL) {
+ printf("%20.20s: 0x%08x (%s)\n",
+ ironlake_debug_regs[i].name,
+ (unsigned int)val, debug);
+ free(debug);
+ }
+ } else {
+ printf("%20.20s: 0x%08x\n", ironlake_debug_regs[i].name,
+ (unsigned int)val);
+ }
+ }
+}
+
+static void
+intel_dump_regs(void)
+{
+ int i;
+ int fp, dpll;
+ int pipe;
+ int n, m1, m2, m, p1, p2;
+ int ref;
+ int dot;
+ int phase;
+#if 0
+ int msr;
+ int crt;
+#endif
+
+ for (i = 0; i < ARRAY_SIZE(intel_debug_regs); i++) {
+ uint32_t val = INREG(intel_debug_regs[i].reg);
+
+ if (intel_debug_regs[i].debug_output != NULL) {
+ char *debug = NULL;
+
+ intel_debug_regs[i].debug_output(&debug,
+ intel_debug_regs[i].reg,
+ val);
+ if (debug != NULL) {
+ printf("%20.20s: 0x%08x (%s)\n",
+ intel_debug_regs[i].name,
+ (unsigned int)val, debug);
+ free(debug);
+ }
+ } else {
+ printf("%20.20s: 0x%08x\n",
+ intel_debug_regs[i].name,
+ (unsigned int)val);
+ }
+ }
+#if 0
+ i830DumpIndexed(pScrn, "SR", 0x3c4, 0x3c5, 0, 7);
+ msr = INREG8(0x3cc);
+ printf("%20.20s: 0x%02x\n",
+ "MSR", (unsigned int)msr);
+
+ i830DumpAR(pScrn);
+ if (msr & 1)
+ crt = 0x3d0;
+ else
+ crt = 0x3b0;
+ i830DumpIndexed(pScrn, "CR", crt + 4, crt + 5, 0, 0x24);
+#endif
+ for (pipe = 0; pipe <= 1; pipe++) {
+ fp = INREG(pipe == 0 ? FPA0 : FPB0);
+ dpll = INREG(pipe == 0 ? DPLL_A : DPLL_B);
+ if (IS_9XX(devid)) {
+ uint32_t lvds = INREG(LVDS);
+ if ((lvds & LVDS_PORT_EN) &&
+ (lvds & LVDS_PIPEB_SELECT) == (pipe << 30)) {
+ if ((lvds & LVDS_CLKB_POWER_MASK) ==
+ LVDS_CLKB_POWER_UP)
+ p2 = 7;
+ else
+ p2 = 14;
+ } else {
+ switch ((dpll >> 24) & 0x3) {
+ case 0:
+ p2 = 10;
+ break;
+ case 1:
+ p2 = 5;
+ break;
+ default:
+ p2 = 1;
+ printf("p2 out of range\n");
+ break;
+ }
+ }
+ if (IS_IGD(devid))
+ i = (dpll >> DPLL_FPA01_P1_POST_DIV_SHIFT_IGD) &
+ 0x1ff;
+ else
+ i = (dpll >> DPLL_FPA01_P1_POST_DIV_SHIFT) &
+ 0xff;
+ switch (i) {
+ case 1:
+ p1 = 1;
+ break;
+ case 2:
+ p1 = 2;
+ break;
+ case 4:
+ p1 = 3;
+ break;
+ case 8:
+ p1 = 4;
+ break;
+ case 16:
+ p1 = 5;
+ break;
+ case 32:
+ p1 = 6;
+ break;
+ case 64:
+ p1 = 7;
+ break;
+ case 128:
+ p1 = 8;
+ break;
+ case 256:
+ if (IS_IGD(devid)) {
+ p1 = 9;
+ break;
+ } /* fallback */
+ default:
+ p1 = 1;
+ printf("p1 out of range\n");
+ break;
+ }
+
+ switch ((dpll >> 13) & 0x3) {
+ case 0:
+ ref = 96000;
+ break;
+ case 3:
+ ref = 100000;
+ break;
+ default:
+ ref = 0;
+ printf("ref out of range\n");
+ break;
+ }
+ } else {
+ uint32_t lvds = INREG(LVDS);
+ if (devid == PCI_CHIP_I855_GM &&
+ (lvds & LVDS_PORT_EN) &&
+ (lvds & LVDS_PIPEB_SELECT) == (pipe << 30)) {
+ if ((lvds & LVDS_CLKB_POWER_MASK) ==
+ LVDS_CLKB_POWER_UP)
+ p2 = 7;
+ else
+ p2 = 14;
+ switch ((dpll >> 16) & 0x3f) {
+ case 0x01:
+ p1 = 1;
+ break;
+ case 0x02:
+ p1 = 2;
+ break;
+ case 0x04:
+ p1 = 3;
+ break;
+ case 0x08:
+ p1 = 4;
+ break;
+ case 0x10:
+ p1 = 5;
+ break;
+ case 0x20:
+ p1 = 6;
+ break;
+ default:
+ p1 = 1;
+ printf("LVDS P1 0x%x invalid encoding\n",
+ (dpll >> 16) & 0x3f);
+ break;
+ }
+ } else {
+ if (dpll & (1 << 23))
+ p2 = 4;
+ else
+ p2 = 2;
+ if (dpll & PLL_P1_DIVIDE_BY_TWO)
+ p1 = 2;
+ else
+ p1 = ((dpll >> 16) & 0x3f) + 2;
+ }
+
+ switch ((dpll >> 13) & 0x3) {
+ case 0:
+ ref = 48000;
+ break;
+ case 3:
+ ref = 66000;
+ break;
+ default:
+ ref = 0;
+ printf("ref out of range\n");
+ break;
+ }
+ }
+ if (IS_965(devid)) {
+ phase = (dpll >> 9) & 0xf;
+ switch (phase) {
+ case 6:
+ break;
+ default:
+ printf("SDVO phase shift %d out of range -- probobly not "
+ "an issue.\n", phase);
+ break;
+ }
+ }
+ switch ((dpll >> 8) & 1) {
+ case 0:
+ break;
+ default:
+ printf("fp select out of range\n");
+ break;
+ }
+ m1 = ((fp >> 8) & 0x3f);
+ if (IS_IGD(devid)) {
+ n = ffs((fp & FP_N_IGD_DIV_MASK) >> FP_N_DIV_SHIFT) - 1;
+ m2 = (fp & FP_M2_IGD_DIV_MASK) >> FP_M2_DIV_SHIFT;
+ m = m2 + 2;
+ dot = (ref * m) / n / (p1 * p2);
+ } else {
+ n = ((fp >> 16) & 0x3f);
+ m2 = ((fp >> 0) & 0x3f);
+ m = 5 * (m1 + 2) + (m2 + 2);
+ dot =
+ (ref * (5 * (m1 + 2) + (m2 + 2)) / (n + 2)) / (p1 *
+ p2);
+ }
+
+ printf("pipe %s dot %d n %d m1 %d m2 %d p1 %d p2 %d\n",
+ pipe == 0 ? "A" : "B", dot, n, m1, m2, p1, p2);
+ }
+}
+
+int main(int argc, char** argv)
+{
+ intel_get_mmio();
+
+ if (IS_IRONLAKE(devid))
+ ironlake_dump_regs();
+ else
+ intel_dump_regs();
+
+ return 0;
+}