[PATCH 200/207] drm/amd/display: Add DCN3 VPG
Alex Deucher
alexdeucher at gmail.com
Mon Jun 1 18:29:19 UTC 2020
From: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
Video Package generator.
used to prepare avi info, DP info etc
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
---
.../gpu/drm/amd/display/dc/dcn30/dcn30_vpg.c | 194 ++++++++++++++++++
.../gpu/drm/amd/display/dc/dcn30/dcn30_vpg.h | 133 ++++++++++++
2 files changed, 327 insertions(+)
create mode 100644 drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.c
create mode 100644 drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.h
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.c
new file mode 100644
index 000000000000..9c0020c8a730
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.c
@@ -0,0 +1,194 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: AMD
+ *
+ */
+
+
+#include "dc_bios_types.h"
+#include "dcn30_vpg.h"
+#include "reg_helper.h"
+
+#define DC_LOGGER \
+ vpg3->base.ctx->logger
+
+#define REG(reg)\
+ (vpg3->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+ vpg3->vpg_shift->field_name, vpg3->vpg_mask->field_name
+
+
+#define CTX \
+ vpg3->base.ctx
+
+
+static void vpg3_update_generic_info_packet(
+ struct vpg *vpg,
+ uint32_t packet_index,
+ const struct dc_info_packet *info_packet)
+{
+ struct dcn30_vpg *vpg3 = DCN30_VPG_FROM_VPG(vpg);
+ uint32_t i;
+
+ /* TODOFPGA Figure out a proper number for max_retries polling for lock
+ * use 50 for now.
+ */
+ uint32_t max_retries = 50;
+
+ if (packet_index > 14)
+ ASSERT(0);
+
+ /* poll dig_update_lock is not locked -> asic internal signal
+ * assume otg master lock will unlock it
+ */
+ /* REG_WAIT(AFMT_VBI_PACKET_CONTROL, AFMT_GENERIC_LOCK_STATUS,
+ * 0, 10, max_retries);
+ */
+
+ /* TODO: Check if this is required */
+ /* check if HW reading GSP memory */
+ REG_WAIT(VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_OCCURED,
+ 0, 10, max_retries);
+
+ /* HW does is not reading GSP memory not reading too long ->
+ * something wrong. clear GPS memory access and notify?
+ * hw SW is writing to GSP memory
+ */
+ REG_UPDATE(VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_CLR, 1);
+
+ /* choose which generic packet to use */
+ REG_UPDATE(VPG_GENERIC_PACKET_ACCESS_CTRL,
+ VPG_GENERIC_DATA_INDEX, packet_index*9);
+
+ /* write generic packet header
+ * (4th byte is for GENERIC0 only)
+ */
+ REG_SET_4(VPG_GENERIC_PACKET_DATA, 0,
+ VPG_GENERIC_DATA_BYTE0, info_packet->hb0,
+ VPG_GENERIC_DATA_BYTE1, info_packet->hb1,
+ VPG_GENERIC_DATA_BYTE2, info_packet->hb2,
+ VPG_GENERIC_DATA_BYTE3, info_packet->hb3);
+
+ /* write generic packet contents
+ * (we never use last 4 bytes)
+ * there are 8 (0-7) mmDIG0_AFMT_GENERIC0_x registers
+ */
+ {
+ const uint32_t *content =
+ (const uint32_t *) &info_packet->sb[0];
+
+ for (i = 0; i < 8; i++) {
+ REG_WRITE(VPG_GENERIC_PACKET_DATA, *content++);
+ }
+ }
+
+ /* atomically update double-buffered GENERIC0 registers in frame mode
+ * (update at next block_update when block_update_lock == 0).
+ */
+ switch (packet_index) {
+ case 0:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC0_FRAME_UPDATE, 1);
+ break;
+ case 1:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC1_FRAME_UPDATE, 1);
+ break;
+ case 2:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC2_FRAME_UPDATE, 1);
+ break;
+ case 3:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC3_FRAME_UPDATE, 1);
+ break;
+ case 4:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC4_FRAME_UPDATE, 1);
+ break;
+ case 5:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC5_FRAME_UPDATE, 1);
+ break;
+ case 6:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC6_FRAME_UPDATE, 1);
+ break;
+ case 7:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC7_FRAME_UPDATE, 1);
+ break;
+ case 8:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC8_FRAME_UPDATE, 1);
+ break;
+ case 9:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC9_FRAME_UPDATE, 1);
+ break;
+ case 10:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC10_FRAME_UPDATE, 1);
+ break;
+ case 11:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC11_FRAME_UPDATE, 1);
+ break;
+ case 12:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC12_FRAME_UPDATE, 1);
+ break;
+ case 13:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC13_FRAME_UPDATE, 1);
+ break;
+ case 14:
+ REG_UPDATE(VPG_GSP_FRAME_UPDATE_CTRL,
+ VPG_GENERIC14_FRAME_UPDATE, 1);
+ break;
+ default:
+ break;
+ }
+}
+
+static struct vpg_funcs dcn30_vpg_funcs = {
+ .update_generic_info_packet = vpg3_update_generic_info_packet,
+};
+
+void vpg3_construct(struct dcn30_vpg *vpg3,
+ struct dc_context *ctx,
+ uint32_t inst,
+ const struct dcn30_vpg_registers *vpg_regs,
+ const struct dcn30_vpg_shift *vpg_shift,
+ const struct dcn30_vpg_mask *vpg_mask)
+{
+ vpg3->base.ctx = ctx;
+
+ vpg3->base.inst = inst;
+ vpg3->base.funcs = &dcn30_vpg_funcs;
+
+ vpg3->regs = vpg_regs;
+ vpg3->vpg_shift = vpg_shift;
+ vpg3->vpg_mask = vpg_mask;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.h b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.h
new file mode 100644
index 000000000000..0284092630f1
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_vpg.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: AMD
+ *
+ */
+
+#ifndef __DAL_DCN30_VPG_H__
+#define __DAL_DCN30_VPG_H__
+
+
+#define DCN30_VPG_FROM_VPG(vpg)\
+ container_of(vpg, struct dcn30_vpg, base)
+
+#define VPG_DCN3_REG_LIST(id) \
+ SRI(VPG_GENERIC_STATUS, VPG, id), \
+ SRI(VPG_GENERIC_PACKET_ACCESS_CTRL, VPG, id), \
+ SRI(VPG_GENERIC_PACKET_DATA, VPG, id), \
+ SRI(VPG_GSP_FRAME_UPDATE_CTRL, VPG, id)
+
+struct dcn30_vpg_registers {
+ uint32_t VPG_GENERIC_STATUS;
+ uint32_t VPG_GENERIC_PACKET_ACCESS_CTRL;
+ uint32_t VPG_GENERIC_PACKET_DATA;
+ uint32_t VPG_GSP_FRAME_UPDATE_CTRL;
+};
+
+#define DCN3_VPG_MASK_SH_LIST(mask_sh)\
+ SE_SF(VPG0_VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_OCCURED, mask_sh),\
+ SE_SF(VPG0_VPG_GENERIC_STATUS, VPG_GENERIC_CONFLICT_CLR, mask_sh),\
+ SE_SF(VPG0_VPG_GENERIC_PACKET_ACCESS_CTRL, VPG_GENERIC_DATA_INDEX, mask_sh),\
+ SE_SF(VPG0_VPG_GENERIC_PACKET_DATA, VPG_GENERIC_DATA_BYTE0, mask_sh),\
+ SE_SF(VPG0_VPG_GENERIC_PACKET_DATA, VPG_GENERIC_DATA_BYTE1, mask_sh),\
+ SE_SF(VPG0_VPG_GENERIC_PACKET_DATA, VPG_GENERIC_DATA_BYTE2, mask_sh),\
+ SE_SF(VPG0_VPG_GENERIC_PACKET_DATA, VPG_GENERIC_DATA_BYTE3, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC0_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC1_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC2_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC3_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC4_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC5_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC6_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC7_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC8_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC9_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC10_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC11_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC12_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC13_FRAME_UPDATE, mask_sh),\
+ SE_SF(VPG0_VPG_GSP_FRAME_UPDATE_CTRL, VPG_GENERIC14_FRAME_UPDATE, mask_sh)
+
+#define VPG_DCN3_REG_FIELD_LIST(type) \
+ type VPG_GENERIC_CONFLICT_OCCURED;\
+ type VPG_GENERIC_CONFLICT_CLR;\
+ type VPG_GENERIC_DATA_INDEX;\
+ type VPG_GENERIC_DATA_BYTE0;\
+ type VPG_GENERIC_DATA_BYTE1;\
+ type VPG_GENERIC_DATA_BYTE2;\
+ type VPG_GENERIC_DATA_BYTE3;\
+ type VPG_GENERIC0_FRAME_UPDATE;\
+ type VPG_GENERIC1_FRAME_UPDATE;\
+ type VPG_GENERIC2_FRAME_UPDATE;\
+ type VPG_GENERIC3_FRAME_UPDATE;\
+ type VPG_GENERIC4_FRAME_UPDATE;\
+ type VPG_GENERIC5_FRAME_UPDATE;\
+ type VPG_GENERIC6_FRAME_UPDATE;\
+ type VPG_GENERIC7_FRAME_UPDATE;\
+ type VPG_GENERIC8_FRAME_UPDATE;\
+ type VPG_GENERIC9_FRAME_UPDATE;\
+ type VPG_GENERIC10_FRAME_UPDATE;\
+ type VPG_GENERIC11_FRAME_UPDATE;\
+ type VPG_GENERIC12_FRAME_UPDATE;\
+ type VPG_GENERIC13_FRAME_UPDATE;\
+ type VPG_GENERIC14_FRAME_UPDATE
+
+
+struct dcn30_vpg_shift {
+ VPG_DCN3_REG_FIELD_LIST(uint8_t);
+};
+
+struct dcn30_vpg_mask {
+ VPG_DCN3_REG_FIELD_LIST(uint32_t);
+};
+
+struct vpg;
+
+struct vpg_funcs {
+ void (*update_generic_info_packet)(
+ struct vpg *vpg,
+ uint32_t packet_index,
+ const struct dc_info_packet *info_packet);
+};
+
+struct vpg {
+ const struct vpg_funcs *funcs;
+ struct dc_context *ctx;
+ int inst;
+};
+
+struct dcn30_vpg {
+ struct vpg base;
+ const struct dcn30_vpg_registers *regs;
+ const struct dcn30_vpg_shift *vpg_shift;
+ const struct dcn30_vpg_mask *vpg_mask;
+};
+
+void vpg3_construct(struct dcn30_vpg *vpg3,
+ struct dc_context *ctx,
+ uint32_t inst,
+ const struct dcn30_vpg_registers *vpg_regs,
+ const struct dcn30_vpg_shift *vpg_shift,
+ const struct dcn30_vpg_mask *vpg_mask);
+
+
+#endif
--
2.25.4
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