On 21/07/23 13:13, Victor Shih wrote: > From: Victor Shih <victor.shih@xxxxxxxxxxxxxxxxxxx> > > Summary > ======= > These patches[1] support UHS-II and fix GL9755 UHS-II compatibility. > > About UHS-II, roughly deal with the following three parts: > 1) A UHS-II detection and initialization: > - Host setup to support UHS-II (Section 3.13.1 Host Controller Setup > Sequence[2]). > - Detect a UHS-II I/F (Section 3.13.2 Card Interface Detection Sequence > [2]). > - In step(9) of Section 3.13.2 in [2], UHS-II initialization is include > Section 3.13.3 UHS-II Card Initialization and Section 3.13.4 UHS-II > Setting Register Setup Sequence. > > 2) Send Legacy SD command through SD-TRAN > - Encapsulated SD packets are defined in SD-TRAN in order to ensure Legacy > SD compatibility and preserve Legacy SD infrastructures (Section 7.1.1 > Packet Types and Format Overview[3]). > - Host issue a UHS-II CCMD packet or a UHS-II DCMD (Section 3.13.5 UHS-II > CCMD Packet issuing and Section 3.13.6 UHS-II DCMD Packet issuing[2]). > > 3) UHS-II Interrupt > - Except for UHS-II error interrupts, most interrupts share the original > interrupt registers. > > Patch structure > =============== > patch#1-#6: for core > patch#7-#22: for sdhci > patch#23: for GL9755 > > Changes in v9 (July. 21, 2023) > * rebased to the linux-kernel-v6.5.0-rc1 in Ulf Hansson next branch. > * according to the comments provided by Adrian Hunter to modify the > patches base on the [V8 00/23] Add support UHS-II for GL9755. > * Patch#2: move sd_uhs2_operation definition of PatchV8[05/23] > to PatchV9[02/23] for avoid compilation errors. > move uhs2_control definition of PatchV8[05/23] > to PatchV9[02/23] for avoid compilation errors. > move mmc_host flags definition of PatchV8[05/23] > to PatchV9[02/23] for avoid compilation errors. > move mmc_host flags MMC_UHS2_SUPPORT definition of > PatchV8[05/23] to PatchV9[02/23] for avoid compilation errors. > move mmc_host flags MMC_UHS2_SD_TRAN definition of > PatchV8[05/23] to PatchV9[02/23] for avoid compilation errors. > * Patch#7: Modify the commit message. > * Patch#8: Modify the commit message. > * Patch#11: Modify annotations in sdhci_get_vdd_value(). > * Patch#14: Simplity the turning_on_clk in sdhci_set_ios(). > * Patch#18: Modify the annotations in __sdhci_uhs2_send_command(). > * Patch#19: Cancel export state of sdhci_set_mrq_done() function. > * Patch#23: Rename gl9755_pre_detect_init() to sdhci_gli_pre_detect_init(). > Rename gl9755_uhs2_reset_sd_tran() to > sdhci_gli_uhs2_reset_sd_tran(). > > Reference > ========= > [1] https://gitlab.com/VictorShih/linux-uhs2.git > [2] SD Host Controller Simplified Specification 4.20 > [3] UHS-II Simplified Addendum 1.02 > [4] https://patchwork.kernel.org/project/linux-mmc/cover/20230621100151.6329-1-victorshihgli@xxxxxxxxx/ > > ----------------- original cover letter from v8 ----------------- > Summary > ======= > These patches[1] support UHS-II and fix GL9755 UHS-II compatibility. > > About UHS-II, roughly deal with the following three parts: > 1) A UHS-II detection and initialization: > - Host setup to support UHS-II (Section 3.13.1 Host Controller Setup > Sequence[2]). > - Detect a UHS-II I/F (Section 3.13.2 Card Interface Detection Sequence > [2]). > - In step(9) of Section 3.13.2 in [2], UHS-II initialization is include > Section 3.13.3 UHS-II Card Initialization and Section 3.13.4 UHS-II > Setting Register Setup Sequence. > > 2) Send Legacy SD command through SD-TRAN > - Encapsulated SD packets are defined in SD-TRAN in order to ensure Legacy > SD compatibility and preserve Legacy SD infrastructures (Section 7.1.1 > Packet Types and Format Overview[3]). > - Host issue a UHS-II CCMD packet or a UHS-II DCMD (Section 3.13.5 UHS-II > CCMD Packet issuing and Section 3.13.6 UHS-II DCMD Packet issuing[2]). > > 3) UHS-II Interrupt > - Except for UHS-II error interrupts, most interrupts share the original > interrupt registers. > > Patch structure > =============== > patch#1-#6: for core > patch#7-#22: for sdhci > patch#23: for GL9755 > > Changes in v8 (June. 21, 2023) > * rebased to the linux-kernel-v6.4.0-rc6 in Ulf Hansson next branch. > * fix most of checkpatch warnings/errors. > * according to the comments provided by Adrian Hunter to modify the > patches base on the [V7 00/23] Add support UHS-II for GL9755. > * Patch#6: Add MMC_UHS2_SUPPORT to be cleared in sd_uhs2_detect(). > Modify return value in sd_uhs2_attach(). > * Patch#7: Use tabs instead of spaces. > * Patch#8: Modify MODULE_LICENSE from "GPL v2" to "GPL". > * Patch#10: Adjust the position of matching brackets. > * Patch#11: Adjust the position of matching brackets. > Add the initial value of the pwr in sdhci_uhs2_set_power(). > * Patch#13: Initialization be combined with declaration and realigned > in sdhci_calc_timeout_uhs2(). > Forward declare struct mmc_command in sdhci_uhs2.h. > * Patch#14: Add the judgment formula for MMC_TIMING_SPEED_A_HD, > MMC_TIMING_SPEED_B and MMC_TIMING_SPEED_B_HD in > __sdhci_uhs2_set_ios(). > Add the switch case for MMC_TIMING_SPEED_A_HD, > MMC_TIMING_SPEED_B and MMC_TIMING_SPEED_B_HD in > sdhci_get_preset_value(). > mmc_opt_regulator_set_ocr() to instead of > mmc_regulator_set_ocr() in sdhci_uhs2_set_ios(). > * Patch#15: usleep_range() to instead of udelay() in > sdhci_uhs2_interface_detect(). > read_poll_timeout() to instead of read_poll_timeout_atomic() > in sdhci_uhs2_interface_detect(). > Modify return value in sdhci_uhs2_do_detect_init(). > * Patch#16: Remove unnecessary include file. > read_poll_timeout() to instead of read_poll_timeout_atomic() > in sdhci_uhs2_enable_clk(). > Put the comment on the end and put the lines in descending > line length in sdhci_uhs2_enable_clk(). > Modify return value in sdhci_uhs2_enable_clk(). > * Patch#17: Reorder the definitions and lose the parentheses in > sdhci_uhs2_set_config(). > read_poll_timeout() to instead of read_poll_timeout_atomic() > in sdhci_uhs2_check_dormant(). > * Patch#18: Adjust the position of matching brackets in > sdhci_uhs2_send_command_retry(). > Modify CameCase definition in __sdhci_uhs2_finish_command(). > Modify error message in __sdhci_uhs2_finish_command(). > sdhci_uhs2_send_command_retry() to instead of > sdhci_uhs2_send_command() in sdhci_uhs2_request(). > Use sdhci_uhs2_mode() to simplify code in > sdhci_uhs2_request_atomic(). > Add forward declaration for sdhci_send_command(). > * Patch#19: Forward declare struct mmc_request in sdhci_uhs2.h. > Remove forward declaration of sdhci_send_command(). > Use mmc_dev() to simplify code in sdhci_request_done_dma(). > * Patch#20: Change return type to void for __sdhci_uhs2_add_host_v4(). > Remove unused variables in __sdhci_uhs2_add_host_v4(). > * Patch#22: Add config select MMC_SDHCI_UHS2 in Kconfig. > * Patch#23: Use sdhci_get_vdd_value() to simplify code in > gl9755_set_power(). > Use read_poll_timeout_atomic() to simplify code in > sdhci_wait_clock_stable(). > Use read_poll_timeout_atomic() to simplify code in > sdhci_gl9755_reset(). > > Reference > ========= > [1] https://gitlab.com/VictorShih/linux-uhs2.git > [2] SD Host Controller Simplified Specification 4.20 > [3] UHS-II Simplified Addendum 1.02 > [4] https://patchwork.kernel.org/project/linux-mmc/cover/20230331105546.13607-1-victor.shih@xxxxxxxxxxxxxxxxxxx/ > > ----------------- original cover letter from v7 ----------------- > Summary > ======= > These patches[1] support UHS-II and fix GL9755 UHS-II compatibility. > > About UHS-II, roughly deal with the following three parts: > 1) A UHS-II detection and initialization: > - Host setup to support UHS-II (Section 3.13.1 Host Controller Setup Sequence > [2]). > - Detect a UHS-II I/F (Section 3.13.2 Card Interface Detection Sequence[2]). > - In step(9) of Section 3.13.2 in [2], UHS-II initialization is include Section > 3.13.3 UHS-II Card Initialization and Section 3.13.4 UHS-II Setting Register > Setup Sequence. > > 2) Send Legacy SD command through SD-TRAN > - Encapsulated SD packets are defined in SD-TRAN in order to ensure Legacy SD > compatibility and preserve Legacy SD infrastructures (Section 7.1.1 Packet > Types and Format Overview[3]). > - Host issue a UHS-II CCMD packet or a UHS-II DCMD (Section 3.13.5 UHS-II > CCMD Packet issuing and Section 3.13.6 UHS-II DCMD Packet issuing[2]). > > 3) UHS-II Interrupt > - Except for UHS-II error interrupts, most interrupts share the original > interrupt registers. > > Patch structure > =============== > patch#1-#6: for core > patch#7-#22: for sdhci > patch#23: for GL9755 For patches 7 - 23: Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
