intel_reg_dumper: decode some useful Haswell registers

I've checked the value of these registers many many many times during
development.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
This commit is contained in:
Paulo Zanoni 2013-03-01 16:55:22 -03:00
parent 5c0ce0f2a9
commit eb88ce64b7

View File

@ -1571,6 +1571,218 @@ DEBUGSTRING(ilk_debug_pp_control)
(val & (1 << 0)) ? "on" : "off");
}
DEBUGSTRING(hsw_debug_port_clk_sel)
{
const char *clock;
switch ((val >> 29 ) & 7) {
case 0:
clock = "LCPLL 2700";
break;
case 1:
clock = "LCPLL 1350";
break;
case 2:
clock = "LCPLL 810";
break;
case 3:
clock = "SPLL";
break;
case 4:
clock = "WRPLL 1";
break;
case 5:
clock = "WRPLL 2";
break;
case 6:
clock = "Reserved";
break;
case 7:
clock = "None";
break;
}
snprintf(result, len, "%s", clock);
}
DEBUGSTRING(hsw_debug_pipe_clk_sel)
{
const char *clock;
switch ((val >> 29) & 7) {
case 0:
clock = "None";
break;
case 2:
clock = "DDIB";
break;
case 3:
clock = "DDIC";
break;
case 4:
clock = "DDID";
break;
case 5:
clock = "DDIE";
break;
default:
clock = "Reserved";
break;
}
snprintf(result, len, "%s", clock);
}
DEBUGSTRING(hsw_debug_ddi_buf_ctl)
{
const char *enable, *reversal, *width, *detected;
enable = (val & (1<<31)) ? "enabled" : "disabled";
reversal = (val & (1<<16)) ? "reversed" : "not reversed";
switch ((val >> 1) & 7) {
case 0:
width = "x1";
break;
case 1:
width = "x2";
break;
case 3:
width = "x4";
break;
default:
width = "reserved";
break;
}
detected = (val & 1) ? "detected" : "not detected";
snprintf(result, len, "%s %s %s %s", enable, reversal, width, detected);
}
DEBUGSTRING(hsw_debug_sfuse_strap)
{
const char *display, *crt, *lane_reversal, *portb, *portc, *portd;
display = (val & (1<<7)) ? "disabled" : "enabled";
crt = (val & (1<<6)) ? "yes" : "no";
lane_reversal = (val & (1<<4)) ? "yes" : "no";
portb = (val & (1<<2)) ? "yes" : "no";
portc = (val & (1<<1)) ? "yes" : "no";
portd = (val & (1<<0)) ? "yes" : "no";
snprintf(result, len, "display %s, crt %s, lane reversal %s, "
"port b %s, port c %s, port d %s", display, crt, lane_reversal,
portb, portc, portd);
}
DEBUGSTRING(hsw_debug_pipe_ddi_func_ctl)
{
const char *enable, *port, *mode, *bpc, *vsync, *hsync, *edp_input;
const char *width;
enable = (val & (1<<31)) ? "enabled" : "disabled";
switch ((val >> 28) & 7) {
case 0:
port = "no port";
break;
case 1:
port = "DDIB";
break;
case 2:
port = "DDIC";
break;
case 3:
port = "DDID";
break;
case 4:
port = "DDIE";
break;
default:
port = "port reserved";
break;
}
switch ((val >> 24) & 7) {
case 0:
mode = "HDMI";
break;
case 1:
mode = "DVI";
break;
case 2:
mode = "DP SST";
break;
case 3:
mode = "DP MST";
break;
case 4:
mode = "FDI";
break;
case 5:
mode = "mode reserved";
break;
}
switch ((val >> 20) & 7) {
case 0:
bpc = "8 bpc";
break;
case 1:
bpc = "10 bpc";
break;
case 2:
bpc = "6 bpc";
break;
case 3:
bpc = "12 bpc";
break;
default:
bpc = "bpc reserved";
break;
}
hsync = (val & (1<<16)) ? "+HSync" : "-HSync";
vsync = (val & (1<<17)) ? "+VSync" : "-VSync";
switch ((val >> 12) & 7) {
case 0:
edp_input = "EDP A ON";
break;
case 4:
edp_input = "EDP A ONOFF";
break;
case 5:
edp_input = "EDP B ONOFF";
break;
case 6:
edp_input = "EDP C ONOFF";
break;
default:
edp_input = "EDP input reserved";
break;
}
switch ((val >> 1) & 7) {
case 0:
width = "x1";
break;
case 1:
width = "x2";
break;
case 3:
width = "x4";
break;
default:
width = "reserved width";
break;
}
snprintf(result, len, "%s, %s, %s, %s, %s, %s, %s, %s", enable,
port, mode, bpc, vsync, hsync, edp_input, width);
}
static struct reg_debug ironlake_debug_regs[] = {
DEFINEREG(PGETBL_CTL),
DEFINEREG(GEN6_INSTDONE_1),
@ -1846,10 +2058,10 @@ static struct reg_debug haswell_debug_regs[] = {
DEFINEREG(HSW_PWR_WELL_CTL6),
/* DDI pipe function */
DEFINEREG(PIPE_DDI_FUNC_CTL_A),
DEFINEREG(PIPE_DDI_FUNC_CTL_B),
DEFINEREG(PIPE_DDI_FUNC_CTL_C),
DEFINEREG(PIPE_DDI_FUNC_CTL_EDP),
DEFINEREG2(PIPE_DDI_FUNC_CTL_A, hsw_debug_pipe_ddi_func_ctl),
DEFINEREG2(PIPE_DDI_FUNC_CTL_B, hsw_debug_pipe_ddi_func_ctl),
DEFINEREG2(PIPE_DDI_FUNC_CTL_C, hsw_debug_pipe_ddi_func_ctl),
DEFINEREG2(PIPE_DDI_FUNC_CTL_EDP, hsw_debug_pipe_ddi_func_ctl),
/* DP transport control */
DEFINEREG(DP_TP_CTL_A),
@ -1865,11 +2077,11 @@ static struct reg_debug haswell_debug_regs[] = {
DEFINEREG(DP_TP_STATUS_E),
/* DDI buffer control */
DEFINEREG(DDI_BUF_CTL_A),
DEFINEREG(DDI_BUF_CTL_B),
DEFINEREG(DDI_BUF_CTL_C),
DEFINEREG(DDI_BUF_CTL_D),
DEFINEREG(DDI_BUF_CTL_E),
DEFINEREG2(DDI_BUF_CTL_A, hsw_debug_ddi_buf_ctl),
DEFINEREG2(DDI_BUF_CTL_B, hsw_debug_ddi_buf_ctl),
DEFINEREG2(DDI_BUF_CTL_C, hsw_debug_ddi_buf_ctl),
DEFINEREG2(DDI_BUF_CTL_D, hsw_debug_ddi_buf_ctl),
DEFINEREG2(DDI_BUF_CTL_E, hsw_debug_ddi_buf_ctl),
/* Clocks */
DEFINEREG(SPLL_CTL),
@ -1878,16 +2090,16 @@ static struct reg_debug haswell_debug_regs[] = {
DEFINEREG(WRPLL_CTL2),
/* DDI port clock control */
DEFINEREG(PORT_CLK_SEL_A),
DEFINEREG(PORT_CLK_SEL_B),
DEFINEREG(PORT_CLK_SEL_C),
DEFINEREG(PORT_CLK_SEL_D),
DEFINEREG(PORT_CLK_SEL_E),
DEFINEREG2(PORT_CLK_SEL_A, hsw_debug_port_clk_sel),
DEFINEREG2(PORT_CLK_SEL_B, hsw_debug_port_clk_sel),
DEFINEREG2(PORT_CLK_SEL_C, hsw_debug_port_clk_sel),
DEFINEREG2(PORT_CLK_SEL_D, hsw_debug_port_clk_sel),
DEFINEREG2(PORT_CLK_SEL_E, hsw_debug_port_clk_sel),
/* Pipe clock control */
DEFINEREG(PIPE_CLK_SEL_A),
DEFINEREG(PIPE_CLK_SEL_B),
DEFINEREG(PIPE_CLK_SEL_C),
DEFINEREG2(PIPE_CLK_SEL_A, hsw_debug_pipe_clk_sel),
DEFINEREG2(PIPE_CLK_SEL_B, hsw_debug_pipe_clk_sel),
DEFINEREG2(PIPE_CLK_SEL_C, hsw_debug_pipe_clk_sel),
/* Pipe line time */
DEFINEREG(PIPE_WM_LINETIME_A),
@ -1895,7 +2107,7 @@ static struct reg_debug haswell_debug_regs[] = {
DEFINEREG(PIPE_WM_LINETIME_C),
/* Fuses */
DEFINEREG(SFUSE_STRAP),
DEFINEREG2(SFUSE_STRAP, hsw_debug_sfuse_strap),
/* Pipe A */
DEFINEREG2(PIPEASRC, i830_debug_yxminus1),