[Intel-gfx] [PATCH v4 03/22] drm/i915/mtl: Create separate reg file for PICA registers
Kahola, Mika
mika.kahola at intel.com
Tue Mar 7 13:24:12 UTC 2023
> -----Original Message-----
> From: De Marchi, Lucas <lucas.demarchi at intel.com>
> Sent: Wednesday, March 1, 2023 1:27 AM
> To: Kahola, Mika <mika.kahola at intel.com>
> Cc: intel-gfx at lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH v4 03/22] drm/i915/mtl: Create separate reg file
> for PICA registers
>
> On Fri, Feb 24, 2023 at 12:13:37PM +0200, Mika Kahola wrote:
> >Create a separate file to store registers for PICA chips
> >C10 and C20.
> >
> >v2: Rename file (Jani)
> >
> >Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
> >Signed-off-by: Mika Kahola <mika.kahola at intel.com>
> >---
> > .../gpu/drm/i915/display/intel_cx0_phy_regs.h | 136 ++++++++++++++++++
> > 1 file changed, 136 insertions(+)
> > create mode 100644 drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
> >
> >diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
> >b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
> >new file mode 100644
> >index 000000000000..d6b3709d3762
> >--- /dev/null
> >+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
> >@@ -0,0 +1,136 @@
> >+/* SPDX-License-Identifier: MIT
> >+ *
> >+ * Copyright © 2022 Intel Corporation
> >+ */
> >+
> >+#ifndef __INTEL_CX0_PHY_REGS_H__
> >+#define __INTEL_CX0_PHY_REGS_H__
> >+
> >+#define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_A 0x64040
> >+#define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_B 0x64140
> >+#define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC1
> 0x16F240
> >+#define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC2
> 0x16F440
> >+#define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC3
> 0x16F640
> >+#define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC4
> 0x16F840
> >+#define _XELPDP_PORT_M2P_MSGBUS_CTL(port, lane)
> (_PICK(port, \
> >+ [PORT_A] =
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_A, \
> >+ [PORT_B] =
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_B, \
> >+ [PORT_TC1] =
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC1, \
> >+ [PORT_TC2] =
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC2, \
> >+ [PORT_TC3] =
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC3, \
> >+ [PORT_TC4] =
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC4) + ((lane) *
> >+4))
> >+
>
> stray newline
>
> >+#define XELPDP_PORT_M2P_MSGBUS_CTL(port, lane)
> _MMIO(_XELPDP_PORT_M2P_MSGBUS_CTL(port, lane))
>
>
> one of the reasons _PICK_EVEN_2RANGES() was added. We usually have 2
> ranges for the ports due to the combo vs tc distinction.
>
> #define XELPDP_PORT_M2P_MSGBUS_CTL(port, lane)
> _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1,
>
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_A,
>
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_B,
>
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC1,
>
> _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC2))
>
Btw, are we missing something from upstream? It seems that this is not compiling properly with upstream kernel?
Thanks for the review and comments! I'm working on the rest of these fixes.
-Mika-
>
> >+#define XELPDP_PORT_M2P_TRANSACTION_PENDING
> REG_BIT(31)
>
> ^ wrong amount of spaces. See the example on top of i915_reg.h
>
> here and everywhere in this file
>
> >+#define XELPDP_PORT_M2P_COMMAND_TYPE_MASK
> REG_GENMASK(30, 27)
> >+#define XELPDP_PORT_M2P_COMMAND_WRITE_UNCOMMITTED
> REG_FIELD_PREP(XELPDP_PORT_M2P_COMMAND_TYPE_MASK, 0x1)
> >+#define XELPDP_PORT_M2P_COMMAND_WRITE_COMMITTED
> REG_FIELD_PREP(XELPDP_PORT_M2P_COMMAND_TYPE_MASK, 0x2)
> >+#define XELPDP_PORT_M2P_COMMAND_READ
> REG_FIELD_PREP(XELPDP_PORT_M2P_COMMAND_TYPE_MASK, 0x3)
> >+#define XELPDP_PORT_M2P_DATA_MASK
> REG_GENMASK(23, 16)
> >+#define XELPDP_PORT_M2P_DATA(val)
> REG_FIELD_PREP(XELPDP_PORT_M2P_DATA_MASK, val)
> >+#define XELPDP_PORT_M2P_TRANSACTION_RESET REG_BIT(15)
> >+#define XELPDP_PORT_M2P_ADDRESS_MASK
> REG_GENMASK(11, 0)
> >+#define XELPDP_PORT_M2P_ADDRESS(val)
> REG_FIELD_PREP(XELPDP_PORT_M2P_ADDRESS_MASK, val)
> >+
> >+#define XELPDP_PORT_P2M_MSGBUS_STATUS(port, lane)
> _MMIO(_XELPDP_PORT_M2P_MSGBUS_CTL(port, lane) + 8)
> >+#define XELPDP_PORT_P2M_RESPONSE_READY
> REG_BIT(31)
> >+#define XELPDP_PORT_P2M_COMMAND_TYPE_MASK
> REG_GENMASK(30, 27)
> >+#define XELPDP_PORT_P2M_COMMAND_READ_ACK 0x4
> >+#define XELPDP_PORT_P2M_COMMAND_WRITE_ACK 0x5
> >+#define XELPDP_PORT_P2M_DATA_MASK
> REG_GENMASK(23, 16)
> >+#define XELPDP_PORT_P2M_DATA(val)
> REG_FIELD_PREP(XELPDP_PORT_P2M_DATA_MASK, val)
> >+#define XELPDP_PORT_P2M_ERROR_SET REG_BIT(15)
> >+#define XELPDP_MSGBUS_TIMEOUT_SLOW 1
> >+#define XELPDP_MSGBUS_TIMEOUT_FAST_US 2
> >+
> >+#define XELPDP_PCLK_PLL_ENABLE_TIMEOUT_US 3200
> >+#define XELPDP_PCLK_PLL_DISABLE_TIMEOUT_US 20
> >+#define XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US 100
> >+#define XELPDP_PORT_RESET_START_TIMEOUT_US 5
> >+#define XELPDP_PORT_POWERDOWN_UPDATE_TIMEOUT_US 100
> >+#define XELPDP_PORT_RESET_END_TIMEOUT 15
> >+#define XELPDP_REFCLK_ENABLE_TIMEOUT_US 1
> >+
> >+#define _XELPDP_PORT_BUF_CTL1_LN0_A 0x64004
> >+#define _XELPDP_PORT_BUF_CTL1_LN0_B 0x64104
> >+#define _XELPDP_PORT_BUF_CTL1_LN0_USBC1
> 0x16F200
> >+#define _XELPDP_PORT_BUF_CTL1_LN0_USBC2
> 0x16F400
> >+#define _XELPDP_PORT_BUF_CTL1_LN0_USBC3
> 0x16F600
> >+#define _XELPDP_PORT_BUF_CTL1_LN0_USBC4
> 0x16F800
> >+#define _XELPDP_PORT_BUF_CTL1(port) (_PICK(port, \
> >+ [PORT_A] =
> _XELPDP_PORT_BUF_CTL1_LN0_A, \
> >+ [PORT_B] =
> _XELPDP_PORT_BUF_CTL1_LN0_B, \
> >+ [PORT_TC1] =
> _XELPDP_PORT_BUF_CTL1_LN0_USBC1, \
> >+ [PORT_TC2] =
> _XELPDP_PORT_BUF_CTL1_LN0_USBC2, \
> >+ [PORT_TC3] =
> _XELPDP_PORT_BUF_CTL1_LN0_USBC3, \
> >+ [PORT_TC4] =
> _XELPDP_PORT_BUF_CTL1_LN0_USBC4))
>
> same thing here, please use the new macro
>
> >+
> >+#define XELPDP_PORT_BUF_CTL1(port)
> _MMIO(_XELPDP_PORT_BUF_CTL1(port))
> >+#define XELPDP_PORT_BUF_SOC_PHY_READY
> REG_BIT(24)
> >+#define XELPDP_PORT_REVERSAL REG_BIT(16)
> >+
> >+#define XELPDP_TC_PHY_OWNERSHIP REG_BIT(6)
> >+#define XELPDP_TCSS_POWER_REQUEST REG_BIT(5)
> >+#define XELPDP_TCSS_POWER_STATE REG_BIT(4)
> >+#define XELPDP_PORT_WIDTH_MASK
> REG_GENMASK(3, 1)
> >+#define XELPDP_PORT_WIDTH(val)
> REG_FIELD_PREP(XELPDP_PORT_WIDTH_MASK, val)
> >+
> >+#define XELPDP_PORT_BUF_CTL2(port)
> _MMIO(_XELPDP_PORT_BUF_CTL1(port) + 4)
> >+#define XELPDP_LANE0_PIPE_RESET REG_BIT(31)
> >+#define XELPDP_LANE1_PIPE_RESET REG_BIT(30)
> >+#define XELPDP_LANE0_PHY_CURRENT_STATUS REG_BIT(29)
> >+#define XELPDP_LANE1_PHY_CURRENT_STATUS REG_BIT(28)
> >+#define XELPDP_LANE0_POWERDOWN_UPDATE
> REG_BIT(25)
> >+#define XELPDP_LANE1_POWERDOWN_UPDATE
> REG_BIT(24)
> >+#define XELPDP_LANE0_POWERDOWN_NEW_STATE_MASK
> REG_GENMASK(23, 20)
> >+#define XELPDP_LANE0_POWERDOWN_NEW_STATE(val)
> REG_FIELD_PREP(XELPDP_LANE0_POWERDOWN_NEW_STATE_MASK,
> val)
> >+#define XELPDP_LANE1_POWERDOWN_NEW_STATE_MASK
> REG_GENMASK(19, 16)
> >+#define XELPDP_LANE1_POWERDOWN_NEW_STATE(val)
> REG_FIELD_PREP(XELPDP_LANE1_POWERDOWN_NEW_STATE_MASK,
> val)
> >+#define XELPDP_POWER_STATE_READY_MASK
> REG_GENMASK(7, 4)
> >+#define XELPDP_POWER_STATE_READY(val)
> REG_FIELD_PREP(XELPDP_POWER_STATE_READY_MASK, val)
> >+
> >+#define XELPDP_PORT_BUF_CTL3(port)
> _MMIO(_XELPDP_PORT_BUF_CTL1(port) + 8)
> >+#define XELPDP_PLL_LANE_STAGGERING_DELAY_MASK
> REG_GENMASK(15, 8)
> >+#define XELPDP_PLL_LANE_STAGGERING_DELAY(val)
> REG_FIELD_PREP(XELPDP_PLL_LANE_STAGGERING_DELAY_MASK, val)
> >+#define XELPDP_POWER_STATE_ACTIVE_MASK
> REG_GENMASK(3, 0)
> >+#define XELPDP_POWER_STATE_ACTIVE(val)
> REG_FIELD_PREP(XELPDP_POWER_STATE_ACTIVE_MASK, val)
> >+
> >+#define _XELPDP_PORT_CLOCK_CTL_A 0x640E0
> >+#define _XELPDP_PORT_CLOCK_CTL_B 0x641E0
> >+#define _XELPDP_PORT_CLOCK_CTL_USBC1 0x16F260
> >+#define _XELPDP_PORT_CLOCK_CTL_USBC2 0x16F460
> >+#define _XELPDP_PORT_CLOCK_CTL_USBC3 0x16F660
> >+#define _XELPDP_PORT_CLOCK_CTL_USBC4 0x16F860
> >+#define XELPDP_PORT_CLOCK_CTL(port)
> _MMIO(_PICK(port, \
> >+ [PORT_A] =
> _XELPDP_PORT_CLOCK_CTL_A, \
> >+ [PORT_B] =
> _XELPDP_PORT_CLOCK_CTL_B, \
> >+ [PORT_TC1] =
> _XELPDP_PORT_CLOCK_CTL_USBC1, \
> >+ [PORT_TC2] =
> _XELPDP_PORT_CLOCK_CTL_USBC2, \
> >+ [PORT_TC3] =
> _XELPDP_PORT_CLOCK_CTL_USBC3, \
> >+ [PORT_TC4] =
> _XELPDP_PORT_CLOCK_CTL_USBC4))
>
> and here
>
> Lucas De Marchi
>
> >+
> >+#define XELPDP_LANE0_PCLK_PLL_REQUEST REG_BIT(31)
> >+#define XELPDP_LANE0_PCLK_PLL_ACK REG_BIT(30)
> >+#define XELPDP_LANE0_PCLK_REFCLK_REQUEST REG_BIT(29)
> >+#define XELPDP_LANE0_PCLK_REFCLK_ACK REG_BIT(28)
> >+#define XELPDP_LANE1_PCLK_PLL_REQUEST REG_BIT(27)
> >+#define XELPDP_LANE1_PCLK_PLL_ACK REG_BIT(26)
> >+#define XELPDP_LANE1_PCLK_REFCLK_REQUEST REG_BIT(25)
> >+#define XELPDP_LANE1_PCLK_REFCLK_ACK REG_BIT(24)
> >+#define XELPDP_TBT_CLOCK_REQUEST REG_BIT(19)
> >+#define XELPDP_TBT_CLOCK_ACK REG_BIT(18)
> >+#define XELPDP_DDI_CLOCK_SELECT_MASK
> REG_GENMASK(15, 12)
> >+#define XELPDP_DDI_CLOCK_SELECT(val)
> REG_FIELD_PREP(XELPDP_DDI_CLOCK_SELECT_MASK, val)
> >+#define XELPDP_DDI_CLOCK_SELECT_NONE 0x0
> >+#define XELPDP_DDI_CLOCK_SELECT_MAXPCLK 0x8
> >+#define XELPDP_DDI_CLOCK_SELECT_DIV18CLK 0x9
> >+#define XELPDP_DDI_CLOCK_SELECT_TBT_162 0xc
> >+#define XELPDP_DDI_CLOCK_SELECT_TBT_270 0xd
> >+#define XELPDP_DDI_CLOCK_SELECT_TBT_540 0xe
> >+#define XELPDP_DDI_CLOCK_SELECT_TBT_810 0xf
> >+#define XELPDP_FORWARD_CLOCK_UNGATE REG_BIT(10)
> >+#define XELPDP_LANE1_PHY_CLOCK_SELECT REG_BIT(8)
> >+#define XELPDP_SSC_ENABLE_PLLA REG_BIT(1)
> >+#define XELPDP_SSC_ENABLE_PLLB REG_BIT(0)
> >+
> >+#endif /* __INTEL_CX0_PHY_REGS_H__ */
> >--
> >2.34.1
> >
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