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path: root/drivers/gpu/drm/i915/display/intel_cx0_phy.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_cx0_phy.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_cx0_phy.c624
1 files changed, 612 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
index 71163bc5bbf5..651239006220 100644
--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
@@ -11,6 +11,7 @@
#include "intel_de.h"
#include "intel_display_types.h"
#include "intel_dp.h"
+#include "intel_hdmi.h"
#include "intel_panel.h"
#include "intel_psr.h"
#include "intel_tc.h"
@@ -285,6 +286,23 @@ static void intel_c20_sram_write(struct drm_i915_private *i915, enum port port,
intel_cx0_write(i915, port, lane, PHY_C20_WR_DATA_L, data & 0xff, 1);
}
+static u16 intel_c20_sram_read(struct drm_i915_private *i915, enum port port,
+ int lane, u16 addr)
+{
+ u16 val;
+
+ assert_dc_off(i915);
+
+ intel_cx0_write(i915, port, lane, PHY_C20_RD_ADDRESS_H, addr >> 8, 0);
+ intel_cx0_write(i915, port, lane, PHY_C20_RD_ADDRESS_L, addr & 0xff, 1);
+
+ val = intel_cx0_read(i915, port, lane, PHY_C20_RD_DATA_H);
+ val <<= 8;
+ val |= intel_cx0_read(i915, port, lane, PHY_C20_RD_DATA_L);
+
+ return val;
+}
+
static void __intel_cx0_rmw(struct drm_i915_private *i915, enum port port,
int lane, u16 addr, u8 clear, u8 set, bool committed)
{
@@ -659,6 +677,199 @@ static const struct intel_c10pll_state * const mtl_c10_edp_tables[] = {
NULL,
};
+/* C20 basic DP 1.4 tables */
+static const struct intel_c20pll_state mtl_c20_dp_rbr = {
+ .link_bit_rate = 162000,
+ .clock = 162000,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x5800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = {0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x50a8, /* mpllb cfg0 */
+ 0x2120, /* mpllb cfg1 */
+ 0xcd9a, /* mpllb cfg2 */
+ 0xbfc1, /* mpllb cfg3 */
+ 0x5ab8, /* mpllb cfg4 */
+ 0x4c34, /* mpllb cfg5 */
+ 0x2000, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x6000, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0000, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_dp_hbr1 = {
+ .link_bit_rate = 270000,
+ .clock = 270000,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x4800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = {0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x308c, /* mpllb cfg0 */
+ 0x2110, /* mpllb cfg1 */
+ 0xcc9c, /* mpllb cfg2 */
+ 0xbfc1, /* mpllb cfg3 */
+ 0x4b9a, /* mpllb cfg4 */
+ 0x3f81, /* mpllb cfg5 */
+ 0x2000, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x5000, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0000, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_dp_hbr2 = {
+ .link_bit_rate = 540000,
+ .clock = 540000,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x4800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = {0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x108c, /* mpllb cfg0 */
+ 0x2108, /* mpllb cfg1 */
+ 0xcc9c, /* mpllb cfg2 */
+ 0xbfc1, /* mpllb cfg3 */
+ 0x4b9a, /* mpllb cfg4 */
+ 0x3f81, /* mpllb cfg5 */
+ 0x2000, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x5000, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0000, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_dp_hbr3 = {
+ .link_bit_rate = 810000,
+ .clock = 810000,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x4800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = {0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x10d2, /* mpllb cfg0 */
+ 0x2108, /* mpllb cfg1 */
+ 0x8d98, /* mpllb cfg2 */
+ 0xbfc1, /* mpllb cfg3 */
+ 0x7166, /* mpllb cfg4 */
+ 0x5f42, /* mpllb cfg5 */
+ 0x2000, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x7800, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0000, /* mpllb cfg10 */
+ },
+};
+
+/* C20 basic DP 2.0 tables */
+static const struct intel_c20pll_state mtl_c20_dp_uhbr10 = {
+ .link_bit_rate = 1000000, /* 10 Gbps */
+ .clock = 312500,
+ .tx = { 0xbe21, /* tx cfg0 */
+ 0x4800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = {0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mplla = { 0x3104, /* mplla cfg0 */
+ 0xd105, /* mplla cfg1 */
+ 0xc025, /* mplla cfg2 */
+ 0xc025, /* mplla cfg3 */
+ 0x8c00, /* mplla cfg4 */
+ 0x759a, /* mplla cfg5 */
+ 0x4000, /* mplla cfg6 */
+ 0x0003, /* mplla cfg7 */
+ 0x3555, /* mplla cfg8 */
+ 0x0001, /* mplla cfg9 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_dp_uhbr13_5 = {
+ .link_bit_rate = 1350000, /* 13.5 Gbps */
+ .clock = 421875,
+ .tx = { 0xbea0, /* tx cfg0 */
+ 0x4800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = {0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x015f, /* mpllb cfg0 */
+ 0x2205, /* mpllb cfg1 */
+ 0x1b17, /* mpllb cfg2 */
+ 0xffc1, /* mpllb cfg3 */
+ 0xe100, /* mpllb cfg4 */
+ 0xbd00, /* mpllb cfg5 */
+ 0x2000, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x4800, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0000, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_dp_uhbr20 = {
+ .link_bit_rate = 2000000, /* 20 Gbps */
+ .clock = 625000,
+ .tx = { 0xbe20, /* tx cfg0 */
+ 0x4800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = {0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mplla = { 0x3104, /* mplla cfg0 */
+ 0xd105, /* mplla cfg1 */
+ 0xc025, /* mplla cfg2 */
+ 0xc025, /* mplla cfg3 */
+ 0xa6ab, /* mplla cfg4 */
+ 0x8c00, /* mplla cfg5 */
+ 0x4000, /* mplla cfg6 */
+ 0x0003, /* mplla cfg7 */
+ 0x3555, /* mplla cfg8 */
+ 0x0001, /* mplla cfg9 */
+ },
+};
+
+static const struct intel_c20pll_state * const mtl_c20_dp_tables[] = {
+ &mtl_c20_dp_rbr,
+ &mtl_c20_dp_hbr1,
+ &mtl_c20_dp_hbr2,
+ &mtl_c20_dp_hbr3,
+ &mtl_c20_dp_uhbr10,
+ &mtl_c20_dp_uhbr13_5,
+ &mtl_c20_dp_uhbr20,
+ NULL,
+};
+
/*
* HDMI link rates with 38.4 MHz reference clock.
*/
@@ -1243,7 +1454,281 @@ static const struct intel_c10pll_state * const mtl_c10_hdmi_tables[] = {
NULL,
};
-int intel_c10_phy_check_hdmi_link_rate(int clock)
+static const struct intel_c20pll_state mtl_c20_hdmi_25_175 = {
+ .link_bit_rate = 25175,
+ .clock = 25175,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0xa0d2, /* mpllb cfg0 */
+ 0x7d80, /* mpllb cfg1 */
+ 0x0906, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x0200, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x0000, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0001, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_27_0 = {
+ .link_bit_rate = 27000,
+ .clock = 27000,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0xa0e0, /* mpllb cfg0 */
+ 0x7d80, /* mpllb cfg1 */
+ 0x0906, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x8000, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0001, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_74_25 = {
+ .link_bit_rate = 74250,
+ .clock = 74250,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x609a, /* mpllb cfg0 */
+ 0x7d40, /* mpllb cfg1 */
+ 0xca06, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x5800, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0001, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_148_5 = {
+ .link_bit_rate = 148500,
+ .clock = 148500,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x409a, /* mpllb cfg0 */
+ 0x7d20, /* mpllb cfg1 */
+ 0xca06, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x5800, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0001, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_594 = {
+ .link_bit_rate = 594000,
+ .clock = 594000,
+ .tx = { 0xbe88, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x009a, /* mpllb cfg0 */
+ 0x7d08, /* mpllb cfg1 */
+ 0xca06, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x5800, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0001, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_300 = {
+ .link_bit_rate = 3000000,
+ .clock = 166670,
+ .tx = { 0xbe98, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x209c, /* mpllb cfg0 */
+ 0x7d10, /* mpllb cfg1 */
+ 0xca06, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x2000, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0004, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_600 = {
+ .link_bit_rate = 6000000,
+ .clock = 333330,
+ .tx = { 0xbe98, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x009c, /* mpllb cfg0 */
+ 0x7d08, /* mpllb cfg1 */
+ 0xca06, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x2000, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0004, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_800 = {
+ .link_bit_rate = 8000000,
+ .clock = 444440,
+ .tx = { 0xbe98, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x00d0, /* mpllb cfg0 */
+ 0x7d08, /* mpllb cfg1 */
+ 0x4a06, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0003, /* mpllb cfg7 */
+ 0x2aaa, /* mpllb cfg8 */
+ 0x0002, /* mpllb cfg9 */
+ 0x0004, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_1000 = {
+ .link_bit_rate = 10000000,
+ .clock = 555560,
+ .tx = { 0xbe98, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x1104, /* mpllb cfg0 */
+ 0x7d08, /* mpllb cfg1 */
+ 0x0a06, /* mpllb cfg2 */
+ 0xbe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0003, /* mpllb cfg7 */
+ 0x3555, /* mpllb cfg8 */
+ 0x0001, /* mpllb cfg9 */
+ 0x0004, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state mtl_c20_hdmi_1200 = {
+ .link_bit_rate = 12000000,
+ .clock = 666670,
+ .tx = { 0xbe98, /* tx cfg0 */
+ 0x9800, /* tx cfg1 */
+ 0x0000, /* tx cfg2 */
+ },
+ .cmn = { 0x0500, /* cmn cfg0*/
+ 0x0005, /* cmn cfg1 */
+ 0x0000, /* cmn cfg2 */
+ 0x0000, /* cmn cfg3 */
+ },
+ .mpllb = { 0x0138, /* mpllb cfg0 */
+ 0x7d08, /* mpllb cfg1 */
+ 0x5486, /* mpllb cfg2 */
+ 0xfe40, /* mpllb cfg3 */
+ 0x0000, /* mpllb cfg4 */
+ 0x0000, /* mpllb cfg5 */
+ 0x2200, /* mpllb cfg6 */
+ 0x0001, /* mpllb cfg7 */
+ 0x4000, /* mpllb cfg8 */
+ 0x0000, /* mpllb cfg9 */
+ 0x0004, /* mpllb cfg10 */
+ },
+};
+
+static const struct intel_c20pll_state * const mtl_c20_hdmi_tables[] = {
+ &mtl_c20_hdmi_25_175,
+ &mtl_c20_hdmi_27_0,
+ &mtl_c20_hdmi_74_25,
+ &mtl_c20_hdmi_148_5,
+ &mtl_c20_hdmi_594,
+ &mtl_c20_hdmi_300,
+ &mtl_c20_hdmi_600,
+ &mtl_c20_hdmi_800,
+ &mtl_c20_hdmi_1000,
+ &mtl_c20_hdmi_1200,
+ NULL,
+};
+
+static int intel_c10_phy_check_hdmi_link_rate(int clock)
{
const struct intel_c10pll_state * const *tables = mtl_c10_hdmi_tables;
int i;
@@ -1319,17 +1804,6 @@ static int intel_c10pll_calc_state(struct intel_crtc_state *crtc_state,
return -EINVAL;
}
-int intel_cx0pll_calc_state(struct intel_crtc_state *crtc_state,
- struct intel_encoder *encoder)
-{
- struct drm_i915_private *i915 = to_i915(encoder->base.dev);
- enum phy phy = intel_port_to_phy(i915, encoder->port);
-
- drm_WARN_ON(&i915->drm, !intel_is_c10phy(i915, phy));
-
- return intel_c10pll_calc_state(crtc_state, encoder);
-}
-
void intel_c10pll_readout_hw_state(struct intel_encoder *encoder,
struct intel_c10pll_state *pll_state)
{
@@ -1427,6 +1901,74 @@ void intel_c10pll_dump_hw_state(struct drm_i915_private *i915,
i + 2, hw_state->pll[i + 2], i + 3, hw_state->pll[i + 3]);
}
+static int intel_c20_phy_check_hdmi_link_rate(int clock)
+{
+ const struct intel_c20pll_state * const *tables = mtl_c20_hdmi_tables;
+ int i;
+
+ for (i = 0; tables[i]; i++) {
+ if (clock == tables[i]->link_bit_rate)
+ return MODE_OK;
+ }
+
+ return MODE_CLOCK_RANGE;
+}
+
+int intel_cx0_phy_check_hdmi_link_rate(struct intel_hdmi *hdmi, int clock)
+{
+ struct intel_digital_port *dig_port = hdmi_to_dig_port(hdmi);
+ struct drm_i915_private *i915 = intel_hdmi_to_i915(hdmi);
+ enum phy phy = intel_port_to_phy(i915, dig_port->base.port);
+
+ if (intel_is_c10phy(i915, phy))
+ return intel_c10_phy_check_hdmi_link_rate(clock);
+ return intel_c20_phy_check_hdmi_link_rate(clock);
+}
+
+static const struct intel_c20pll_state * const *
+intel_c20_pll_tables_get(struct intel_crtc_state *crtc_state,
+ struct intel_encoder *encoder)
+{
+ if (intel_crtc_has_dp_encoder(crtc_state))
+ return mtl_c20_dp_tables;
+ else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
+ return mtl_c20_hdmi_tables;
+
+ MISSING_CASE(encoder->type);
+ return NULL;
+}
+
+static int intel_c20pll_calc_state(struct intel_crtc_state *crtc_state,
+ struct intel_encoder *encoder)
+{
+ const struct intel_c20pll_state * const *tables;
+ int i;
+
+ tables = intel_c20_pll_tables_get(crtc_state, encoder);
+ if (!tables)
+ return -EINVAL;
+
+ for (i = 0; tables[i]; i++) {
+ if (crtc_state->port_clock == tables[i]->link_bit_rate) {
+ crtc_state->cx0pll_state.c20 = *tables[i];
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+int intel_cx0pll_calc_state(struct intel_crtc_state *crtc_state,
+ struct intel_encoder *encoder)
+{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ enum phy phy = intel_port_to_phy(i915, encoder->port);
+
+ if (intel_is_c10phy(i915, phy))
+ return intel_c10pll_calc_state(crtc_state, encoder);
+ return intel_c20pll_calc_state(crtc_state, encoder);
+}
+
static bool intel_c20_use_mplla(u32 clock)
{
/* 10G and 20G rates use MPLLA */
@@ -1436,6 +1978,64 @@ static bool intel_c20_use_mplla(u32 clock)
return false;
}
+void intel_c20pll_readout_hw_state(struct intel_encoder *encoder,
+ struct intel_c20pll_state *pll_state)
+{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ bool cntx;
+ intel_wakeref_t wakeref;
+ int i;
+
+ wakeref = intel_cx0_phy_transaction_begin(encoder);
+
+ /* 1. Read current context selection */
+ cntx = intel_cx0_read(i915, encoder->port, INTEL_CX0_LANE0, PHY_C20_VDR_CUSTOM_SERDES_RATE) & PHY_C20_CONTEXT_TOGGLE;
+
+ /* Read Tx configuration */
+ for (i = 0; i < ARRAY_SIZE(pll_state->tx); i++) {
+ if (cntx)
+ pll_state->tx[i] = intel_c20_sram_read(i915, encoder->port, INTEL_CX0_LANE0,
+ PHY_C20_B_TX_CNTX_CFG(i));
+ else
+ pll_state->tx[i] = intel_c20_sram_read(i915, encoder->port, INTEL_CX0_LANE0,
+ PHY_C20_A_TX_CNTX_CFG(i));
+ }
+
+ /* Read common configuration */
+ for (i = 0; i < ARRAY_SIZE(pll_state->cmn); i++) {
+ if (cntx)
+ pll_state->cmn[i] = intel_c20_sram_read(i915, encoder->port, INTEL_CX0_LANE0,
+ PHY_C20_B_CMN_CNTX_CFG(i));
+ else
+ pll_state->cmn[i] = intel_c20_sram_read(i915, encoder->port, INTEL_CX0_LANE0,
+ PHY_C20_A_CMN_CNTX_CFG(i));
+ }
+
+ if (pll_state->tx[0] & C20_PHY_USE_MPLLB) {
+ /* MPLLB configuration */
+ for (i = 0; i < ARRAY_SIZE(pll_state->mpllb); i++) {
+ if (cntx)
+ pll_state->mpllb[i] = intel_c20_sram_read(i915, encoder->port, INTEL_CX0_LANE0,
+ PHY_C20_B_MPLLB_CNTX_CFG(i));
+ else
+ pll_state->mpllb[i] = intel_c20_sram_read(i915, encoder->port, INTEL_CX0_LANE0,
+ PHY_C20_A_MPLLB_CNTX_CFG(i));
+ }
+ } else {
+ /* MPLLA configuration */
+ for (i = 0; i < ARRAY_SIZE(pll_state->mplla); i++) {
+ if (cntx)
+ pll_state->mplla[i] = intel_c20_sram_read(i915, encoder->port, INTEL_CX0_LANE0,
+ PHY_C20_B_MPLLA_CNTX_CFG(i));
+ else
+ pll_state->mplla[i] = intel_c20_sram_read(i915, encoder->port, INTEL_CX0_LANE0,
+ PHY_C20_A_MPLLA_CNTX_CFG(i));
+ }
+ }
+
+ intel_cx0_phy_transaction_end(encoder, wakeref);
+}
+
static u8 intel_c20_get_dp_rate(u32 clock)
{
switch (clock) {
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-30 11:31:59 +0300