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All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <linux/bitops.h> #include <linux/slab.h> #include "dpu_kms.h" #include "dpu_hw_interrupts.h" #include "dpu_hw_util.h" #include "dpu_hw_mdss.h" /** * Register offsets in MDSS register file for the interrupt registers * w.r.t. to the MDP base */ #define MDP_SSPP_TOP0_OFF 0x0 #define MDP_INTF_0_OFF 0x6A000 #define MDP_INTF_1_OFF 0x6A800 #define MDP_INTF_2_OFF 0x6B000 #define MDP_INTF_3_OFF 0x6B800 #define MDP_INTF_4_OFF 0x6C000 #define MDP_AD4_0_OFF 0x7C000 #define MDP_AD4_1_OFF 0x7D000 #define MDP_AD4_INTR_EN_OFF 0x41c #define MDP_AD4_INTR_CLEAR_OFF 0x424 #define MDP_AD4_INTR_STATUS_OFF 0x420 /** * WB interrupt status bit definitions */ #define DPU_INTR_WB_0_DONE BIT(0) #define DPU_INTR_WB_1_DONE BIT(1) #define DPU_INTR_WB_2_DONE BIT(4) /** * WDOG timer interrupt status bit definitions */ #define DPU_INTR_WD_TIMER_0_DONE BIT(2) #define DPU_INTR_WD_TIMER_1_DONE BIT(3) #define DPU_INTR_WD_TIMER_2_DONE BIT(5) #define DPU_INTR_WD_TIMER_3_DONE BIT(6) #define DPU_INTR_WD_TIMER_4_DONE BIT(7) /** * Pingpong interrupt status bit definitions */ #define DPU_INTR_PING_PONG_0_DONE BIT(8) #define DPU_INTR_PING_PONG_1_DONE BIT(9) #define DPU_INTR_PING_PONG_2_DONE BIT(10) #define DPU_INTR_PING_PONG_3_DONE BIT(11) #define DPU_INTR_PING_PONG_0_RD_PTR BIT(12) #define DPU_INTR_PING_PONG_1_RD_PTR BIT(13) #define DPU_INTR_PING_PONG_2_RD_PTR BIT(14) #define DPU_INTR_PING_PONG_3_RD_PTR BIT(15) #define DPU_INTR_PING_PONG_0_WR_PTR BIT(16) #define DPU_INTR_PING_PONG_1_WR_PTR BIT(17) #define DPU_INTR_PING_PONG_2_WR_PTR BIT(18) #define DPU_INTR_PING_PONG_3_WR_PTR BIT(19) #define DPU_INTR_PING_PONG_0_AUTOREFRESH_DONE BIT(20) #define DPU_INTR_PING_PONG_1_AUTOREFRESH_DONE BIT(21) #define DPU_INTR_PING_PONG_2_AUTOREFRESH_DONE BIT(22) #define DPU_INTR_PING_PONG_3_AUTOREFRESH_DONE BIT(23) /** * Interface interrupt status bit definitions */ #define DPU_INTR_INTF_0_UNDERRUN BIT(24) #define DPU_INTR_INTF_1_UNDERRUN BIT(26) #define DPU_INTR_INTF_2_UNDERRUN BIT(28) #define DPU_INTR_INTF_3_UNDERRUN BIT(30) #define DPU_INTR_INTF_0_VSYNC BIT(25) #define DPU_INTR_INTF_1_VSYNC BIT(27) #define DPU_INTR_INTF_2_VSYNC BIT(29) #define DPU_INTR_INTF_3_VSYNC BIT(31) /** * Pingpong Secondary interrupt status bit definitions */ #define DPU_INTR_PING_PONG_S0_AUTOREFRESH_DONE BIT(0) #define DPU_INTR_PING_PONG_S0_WR_PTR BIT(4) #define DPU_INTR_PING_PONG_S0_RD_PTR BIT(8) #define DPU_INTR_PING_PONG_S0_TEAR_DETECTED BIT(22) #define DPU_INTR_PING_PONG_S0_TE_DETECTED BIT(28) /** * Pingpong TEAR detection interrupt status bit definitions */ #define DPU_INTR_PING_PONG_0_TEAR_DETECTED BIT(16) #define DPU_INTR_PING_PONG_1_TEAR_DETECTED BIT(17) #define DPU_INTR_PING_PONG_2_TEAR_DETECTED BIT(18) #define DPU_INTR_PING_PONG_3_TEAR_DETECTED BIT(19) /** * Pingpong TE detection interrupt status bit definitions */ #define DPU_INTR_PING_PONG_0_TE_DETECTED BIT(24) #define DPU_INTR_PING_PONG_1_TE_DETECTED BIT(25) #define DPU_INTR_PING_PONG_2_TE_DETECTED BIT(26) #define DPU_INTR_PING_PONG_3_TE_DETECTED BIT(27) /** * Ctl start interrupt status bit definitions */ #define DPU_INTR_CTL_0_START BIT(9) #define DPU_INTR_CTL_1_START BIT(10) #define DPU_INTR_CTL_2_START BIT(11) #define DPU_INTR_CTL_3_START BIT(12) #define DPU_INTR_CTL_4_START BIT(13) /** * Concurrent WB overflow interrupt status bit definitions */ #define DPU_INTR_CWB_2_OVERFLOW BIT(14) #define DPU_INTR_CWB_3_OVERFLOW BIT(15) /** * Histogram VIG done interrupt status bit definitions */ #define DPU_INTR_HIST_VIG_0_DONE BIT(0) #define DPU_INTR_HIST_VIG_1_DONE BIT(4) #define DPU_INTR_HIST_VIG_2_DONE BIT(8) #define DPU_INTR_HIST_VIG_3_DONE BIT(10) /** * Histogram VIG reset Sequence done interrupt status bit definitions */ #define DPU_INTR_HIST_VIG_0_RSTSEQ_DONE BIT(1) #define DPU_INTR_HIST_VIG_1_RSTSEQ_DONE BIT(5) #define DPU_INTR_HIST_VIG_2_RSTSEQ_DONE BIT(9) #define DPU_INTR_HIST_VIG_3_RSTSEQ_DONE BIT(11) /** * Histogram DSPP done interrupt status bit definitions */ #define DPU_INTR_HIST_DSPP_0_DONE BIT(12) #define DPU_INTR_HIST_DSPP_1_DONE BIT(16) #define DPU_INTR_HIST_DSPP_2_DONE BIT(20) #define DPU_INTR_HIST_DSPP_3_DONE BIT(22) /** * Histogram DSPP reset Sequence done interrupt status bit definitions */ #define DPU_INTR_HIST_DSPP_0_RSTSEQ_DONE BIT(13) #define DPU_INTR_HIST_DSPP_1_RSTSEQ_DONE BIT(17) #define DPU_INTR_HIST_DSPP_2_RSTSEQ_DONE BIT(21) #define DPU_INTR_HIST_DSPP_3_RSTSEQ_DONE BIT(23) /** * INTF interrupt status bit definitions */ #define DPU_INTR_VIDEO_INTO_STATIC BIT(0) #define DPU_INTR_VIDEO_OUTOF_STATIC BIT(1) #define DPU_INTR_DSICMD_0_INTO_STATIC BIT(2) #define DPU_INTR_DSICMD_0_OUTOF_STATIC BIT(3) #define DPU_INTR_DSICMD_1_INTO_STATIC BIT(4) #define DPU_INTR_DSICMD_1_OUTOF_STATIC BIT(5) #define DPU_INTR_DSICMD_2_INTO_STATIC BIT(6) #define DPU_INTR_DSICMD_2_OUTOF_STATIC BIT(7) #define DPU_INTR_PROG_LINE BIT(8) /** * AD4 interrupt status bit definitions */ #define DPU_INTR_BRIGHTPR_UPDATED BIT(4) #define DPU_INTR_DARKENH_UPDATED BIT(3) #define DPU_INTR_STREN_OUTROI_UPDATED BIT(2) #define DPU_INTR_STREN_INROI_UPDATED BIT(1) #define DPU_INTR_BACKLIGHT_UPDATED BIT(0) /** * struct dpu_intr_reg - array of DPU register sets * @clr_off: offset to CLEAR reg * @en_off: offset to ENABLE reg * @status_off: offset to STATUS reg */ struct dpu_intr_reg { u32 clr_off; u32 en_off; u32 status_off; }; /** * struct dpu_irq_type - maps each irq with i/f * @intr_type: type of interrupt listed in dpu_intr_type * @instance_idx: instance index of the associated HW block in DPU * @irq_mask: corresponding bit in the interrupt status reg * @reg_idx: which reg set to use */ struct dpu_irq_type { u32 intr_type; u32 instance_idx; u32 irq_mask; u32 reg_idx; }; /** * List of DPU interrupt registers */ static const struct dpu_intr_reg dpu_intr_set[] = { { MDP_SSPP_TOP0_OFF+INTR_CLEAR, MDP_SSPP_TOP0_OFF+INTR_EN, MDP_SSPP_TOP0_OFF+INTR_STATUS }, { MDP_SSPP_TOP0_OFF+INTR2_CLEAR, MDP_SSPP_TOP0_OFF+INTR2_EN, MDP_SSPP_TOP0_OFF+INTR2_STATUS }, { MDP_SSPP_TOP0_OFF+HIST_INTR_CLEAR, MDP_SSPP_TOP0_OFF+HIST_INTR_EN, MDP_SSPP_TOP0_OFF+HIST_INTR_STATUS }, { MDP_INTF_0_OFF+INTF_INTR_CLEAR, MDP_INTF_0_OFF+INTF_INTR_EN, MDP_INTF_0_OFF+INTF_INTR_STATUS }, { MDP_INTF_1_OFF+INTF_INTR_CLEAR, MDP_INTF_1_OFF+INTF_INTR_EN, MDP_INTF_1_OFF+INTF_INTR_STATUS }, { MDP_INTF_2_OFF+INTF_INTR_CLEAR, MDP_INTF_2_OFF+INTF_INTR_EN, MDP_INTF_2_OFF+INTF_INTR_STATUS }, { MDP_INTF_3_OFF+INTF_INTR_CLEAR, MDP_INTF_3_OFF+INTF_INTR_EN, MDP_INTF_3_OFF+INTF_INTR_STATUS }, { MDP_INTF_4_OFF+INTF_INTR_CLEAR, MDP_INTF_4_OFF+INTF_INTR_EN, MDP_INTF_4_OFF+INTF_INTR_STATUS }, { MDP_AD4_0_OFF + MDP_AD4_INTR_CLEAR_OFF, MDP_AD4_0_OFF + MDP_AD4_INTR_EN_OFF, MDP_AD4_0_OFF + MDP_AD4_INTR_STATUS_OFF, }, { MDP_AD4_1_OFF + MDP_AD4_INTR_CLEAR_OFF, MDP_AD4_1_OFF + MDP_AD4_INTR_EN_OFF, MDP_AD4_1_OFF + MDP_AD4_INTR_STATUS_OFF, } }; /** * IRQ mapping table - use for lookup an irq_idx in this table that have * a matching interface type and instance index. */ static const struct dpu_irq_type dpu_irq_map[] = { /* BEGIN MAP_RANGE: 0-31, INTR */ /* irq_idx: 0-3 */ { DPU_IRQ_TYPE_WB_ROT_COMP, WB_0, DPU_INTR_WB_0_DONE, 0}, { DPU_IRQ_TYPE_WB_ROT_COMP, WB_1, DPU_INTR_WB_1_DONE, 0}, { DPU_IRQ_TYPE_WD_TIMER, WD_TIMER_0, DPU_INTR_WD_TIMER_0_DONE, 0}, { DPU_IRQ_TYPE_WD_TIMER, WD_TIMER_1, DPU_INTR_WD_TIMER_1_DONE, 0}, /* irq_idx: 4-7 */ { DPU_IRQ_TYPE_WB_WFD_COMP, WB_2, DPU_INTR_WB_2_DONE, 0}, { DPU_IRQ_TYPE_WD_TIMER, WD_TIMER_2, DPU_INTR_WD_TIMER_2_DONE, 0}, { DPU_IRQ_TYPE_WD_TIMER, WD_TIMER_3, DPU_INTR_WD_TIMER_3_DONE, 0}, { DPU_IRQ_TYPE_WD_TIMER, WD_TIMER_4, DPU_INTR_WD_TIMER_4_DONE, 0}, /* irq_idx: 8-11 */ { DPU_IRQ_TYPE_PING_PONG_COMP, PINGPONG_0, DPU_INTR_PING_PONG_0_DONE, 0}, { DPU_IRQ_TYPE_PING_PONG_COMP, PINGPONG_1, DPU_INTR_PING_PONG_1_DONE, 0}, { DPU_IRQ_TYPE_PING_PONG_COMP, PINGPONG_2, DPU_INTR_PING_PONG_2_DONE, 0}, { DPU_IRQ_TYPE_PING_PONG_COMP, PINGPONG_3, DPU_INTR_PING_PONG_3_DONE, 0}, /* irq_idx: 12-15 */ { DPU_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_0, DPU_INTR_PING_PONG_0_RD_PTR, 0}, { DPU_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_1, DPU_INTR_PING_PONG_1_RD_PTR, 0}, { DPU_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_2, DPU_INTR_PING_PONG_2_RD_PTR, 0}, { DPU_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_3, DPU_INTR_PING_PONG_3_RD_PTR, 0}, /* irq_idx: 16-19 */ { DPU_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_0, DPU_INTR_PING_PONG_0_WR_PTR, 0}, { DPU_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_1, DPU_INTR_PING_PONG_1_WR_PTR, 0}, { DPU_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_2, DPU_INTR_PING_PONG_2_WR_PTR, 0}, { DPU_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_3, DPU_INTR_PING_PONG_3_WR_PTR, 0}, /* irq_idx: 20-23 */ { DPU_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_0, DPU_INTR_PING_PONG_0_AUTOREFRESH_DONE, 0}, { DPU_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_1, DPU_INTR_PING_PONG_1_AUTOREFRESH_DONE, 0}, { DPU_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_2, DPU_INTR_PING_PONG_2_AUTOREFRESH_DONE, 0}, { DPU_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_3, DPU_INTR_PING_PONG_3_AUTOREFRESH_DONE, 0}, /* irq_idx: 24-27 */ { DPU_IRQ_TYPE_INTF_UNDER_RUN, INTF_0, DPU_INTR_INTF_0_UNDERRUN, 0}, { DPU_IRQ_TYPE_INTF_VSYNC, INTF_0, DPU_INTR_INTF_0_VSYNC, 0}, { DPU_IRQ_TYPE_INTF_UNDER_RUN, INTF_1, DPU_INTR_INTF_1_UNDERRUN, 0}, { DPU_IRQ_TYPE_INTF_VSYNC, INTF_1, DPU_INTR_INTF_1_VSYNC, 0}, /* irq_idx: 28-31 */ { DPU_IRQ_TYPE_INTF_UNDER_RUN, INTF_2, DPU_INTR_INTF_2_UNDERRUN, 0}, { DPU_IRQ_TYPE_INTF_VSYNC, INTF_2, DPU_INTR_INTF_2_VSYNC, 0}, { DPU_IRQ_TYPE_INTF_UNDER_RUN, INTF_3, DPU_INTR_INTF_3_UNDERRUN, 0}, { DPU_IRQ_TYPE_INTF_VSYNC, INTF_3, DPU_INTR_INTF_3_VSYNC, 0}, /* BEGIN MAP_RANGE: 32-64, INTR2 */ /* irq_idx: 32-35 */ { DPU_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_S0, DPU_INTR_PING_PONG_S0_AUTOREFRESH_DONE, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, /* irq_idx: 36-39 */ { DPU_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_S0, DPU_INTR_PING_PONG_S0_WR_PTR, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, /* irq_idx: 40 */ { DPU_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_S0, DPU_INTR_PING_PONG_S0_RD_PTR, 1}, /* irq_idx: 41-45 */ { DPU_IRQ_TYPE_CTL_START, CTL_0, DPU_INTR_CTL_0_START, 1}, { DPU_IRQ_TYPE_CTL_START, CTL_1, DPU_INTR_CTL_1_START, 1}, { DPU_IRQ_TYPE_CTL_START, CTL_2, DPU_INTR_CTL_2_START, 1}, { DPU_IRQ_TYPE_CTL_START, CTL_3, DPU_INTR_CTL_3_START, 1}, { DPU_IRQ_TYPE_CTL_START, CTL_4, DPU_INTR_CTL_4_START, 1}, /* irq_idx: 46-47 */ { DPU_IRQ_TYPE_CWB_OVERFLOW, CWB_2, DPU_INTR_CWB_2_OVERFLOW, 1}, { DPU_IRQ_TYPE_CWB_OVERFLOW, CWB_3, DPU_INTR_CWB_3_OVERFLOW, 1}, /* irq_idx: 48-51 */ { DPU_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_0, DPU_INTR_PING_PONG_0_TEAR_DETECTED, 1}, { DPU_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_1, DPU_INTR_PING_PONG_1_TEAR_DETECTED, 1}, { DPU_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_2, DPU_INTR_PING_PONG_2_TEAR_DETECTED, 1}, { DPU_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_3, DPU_INTR_PING_PONG_3_TEAR_DETECTED, 1}, /* irq_idx: 52-55 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, { DPU_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_S0, DPU_INTR_PING_PONG_S0_TEAR_DETECTED, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, /* irq_idx: 56-59 */ { DPU_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_0, DPU_INTR_PING_PONG_0_TE_DETECTED, 1}, { DPU_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_1, DPU_INTR_PING_PONG_1_TE_DETECTED, 1}, { DPU_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_2, DPU_INTR_PING_PONG_2_TE_DETECTED, 1}, { DPU_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_3, DPU_INTR_PING_PONG_3_TE_DETECTED, 1}, /* irq_idx: 60-63 */ { DPU_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_S0, DPU_INTR_PING_PONG_S0_TE_DETECTED, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 1}, /* BEGIN MAP_RANGE: 64-95 HIST */ /* irq_idx: 64-67 */ { DPU_IRQ_TYPE_HIST_VIG_DONE, SSPP_VIG0, DPU_INTR_HIST_VIG_0_DONE, 2}, { DPU_IRQ_TYPE_HIST_VIG_RSTSEQ, SSPP_VIG0, DPU_INTR_HIST_VIG_0_RSTSEQ_DONE, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, /* irq_idx: 68-71 */ { DPU_IRQ_TYPE_HIST_VIG_DONE, SSPP_VIG1, DPU_INTR_HIST_VIG_1_DONE, 2}, { DPU_IRQ_TYPE_HIST_VIG_RSTSEQ, SSPP_VIG1, DPU_INTR_HIST_VIG_1_RSTSEQ_DONE, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, /* irq_idx: 72-75 */ { DPU_IRQ_TYPE_HIST_VIG_DONE, SSPP_VIG2, DPU_INTR_HIST_VIG_2_DONE, 2}, { DPU_IRQ_TYPE_HIST_VIG_RSTSEQ, SSPP_VIG2, DPU_INTR_HIST_VIG_2_RSTSEQ_DONE, 2}, { DPU_IRQ_TYPE_HIST_VIG_DONE, SSPP_VIG3, DPU_INTR_HIST_VIG_3_DONE, 2}, { DPU_IRQ_TYPE_HIST_VIG_RSTSEQ, SSPP_VIG3, DPU_INTR_HIST_VIG_3_RSTSEQ_DONE, 2}, /* irq_idx: 76-79 */ { DPU_IRQ_TYPE_HIST_DSPP_DONE, DSPP_0, DPU_INTR_HIST_DSPP_0_DONE, 2}, { DPU_IRQ_TYPE_HIST_DSPP_RSTSEQ, DSPP_0, DPU_INTR_HIST_DSPP_0_RSTSEQ_DONE, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, /* irq_idx: 80-83 */ { DPU_IRQ_TYPE_HIST_DSPP_DONE, DSPP_1, DPU_INTR_HIST_DSPP_1_DONE, 2}, { DPU_IRQ_TYPE_HIST_DSPP_RSTSEQ, DSPP_1, DPU_INTR_HIST_DSPP_1_RSTSEQ_DONE, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, /* irq_idx: 84-87 */ { DPU_IRQ_TYPE_HIST_DSPP_DONE, DSPP_2, DPU_INTR_HIST_DSPP_2_DONE, 2}, { DPU_IRQ_TYPE_HIST_DSPP_RSTSEQ, DSPP_2, DPU_INTR_HIST_DSPP_2_RSTSEQ_DONE, 2}, { DPU_IRQ_TYPE_HIST_DSPP_DONE, DSPP_3, DPU_INTR_HIST_DSPP_3_DONE, 2}, { DPU_IRQ_TYPE_HIST_DSPP_RSTSEQ, DSPP_3, DPU_INTR_HIST_DSPP_3_RSTSEQ_DONE, 2}, /* irq_idx: 88-91 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, /* irq_idx: 92-95 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 2}, /* BEGIN MAP_RANGE: 96-127 INTF_0_INTR */ /* irq_idx: 96-99 */ { DPU_IRQ_TYPE_SFI_VIDEO_IN, INTF_0, DPU_INTR_VIDEO_INTO_STATIC, 3}, { DPU_IRQ_TYPE_SFI_VIDEO_OUT, INTF_0, DPU_INTR_VIDEO_OUTOF_STATIC, 3}, { DPU_IRQ_TYPE_SFI_CMD_0_IN, INTF_0, DPU_INTR_DSICMD_0_INTO_STATIC, 3}, { DPU_IRQ_TYPE_SFI_CMD_0_OUT, INTF_0, DPU_INTR_DSICMD_0_OUTOF_STATIC, 3}, /* irq_idx: 100-103 */ { DPU_IRQ_TYPE_SFI_CMD_1_IN, INTF_0, DPU_INTR_DSICMD_1_INTO_STATIC, 3}, { DPU_IRQ_TYPE_SFI_CMD_1_OUT, INTF_0, DPU_INTR_DSICMD_1_OUTOF_STATIC, 3}, { DPU_IRQ_TYPE_SFI_CMD_2_IN, INTF_0, DPU_INTR_DSICMD_2_INTO_STATIC, 3}, { DPU_IRQ_TYPE_SFI_CMD_2_OUT, INTF_0, DPU_INTR_DSICMD_2_OUTOF_STATIC, 3}, /* irq_idx: 104-107 */ { DPU_IRQ_TYPE_PROG_LINE, INTF_0, DPU_INTR_PROG_LINE, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, /* irq_idx: 108-111 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, /* irq_idx: 112-115 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, /* irq_idx: 116-119 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, /* irq_idx: 120-123 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, /* irq_idx: 124-127 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 3}, /* BEGIN MAP_RANGE: 128-159 INTF_1_INTR */ /* irq_idx: 128-131 */ { DPU_IRQ_TYPE_SFI_VIDEO_IN, INTF_1, DPU_INTR_VIDEO_INTO_STATIC, 4}, { DPU_IRQ_TYPE_SFI_VIDEO_OUT, INTF_1, DPU_INTR_VIDEO_OUTOF_STATIC, 4}, { DPU_IRQ_TYPE_SFI_CMD_0_IN, INTF_1, DPU_INTR_DSICMD_0_INTO_STATIC, 4}, { DPU_IRQ_TYPE_SFI_CMD_0_OUT, INTF_1, DPU_INTR_DSICMD_0_OUTOF_STATIC, 4}, /* irq_idx: 132-135 */ { DPU_IRQ_TYPE_SFI_CMD_1_IN, INTF_1, DPU_INTR_DSICMD_1_INTO_STATIC, 4}, { DPU_IRQ_TYPE_SFI_CMD_1_OUT, INTF_1, DPU_INTR_DSICMD_1_OUTOF_STATIC, 4}, { DPU_IRQ_TYPE_SFI_CMD_2_IN, INTF_1, DPU_INTR_DSICMD_2_INTO_STATIC, 4}, { DPU_IRQ_TYPE_SFI_CMD_2_OUT, INTF_1, DPU_INTR_DSICMD_2_OUTOF_STATIC, 4}, /* irq_idx: 136-139 */ { DPU_IRQ_TYPE_PROG_LINE, INTF_1, DPU_INTR_PROG_LINE, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, /* irq_idx: 140-143 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, /* irq_idx: 144-147 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, /* irq_idx: 148-151 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, /* irq_idx: 152-155 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, /* irq_idx: 156-159 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 4}, /* BEGIN MAP_RANGE: 160-191 INTF_2_INTR */ /* irq_idx: 160-163 */ { DPU_IRQ_TYPE_SFI_VIDEO_IN, INTF_2, DPU_INTR_VIDEO_INTO_STATIC, 5}, { DPU_IRQ_TYPE_SFI_VIDEO_OUT, INTF_2, DPU_INTR_VIDEO_OUTOF_STATIC, 5}, { DPU_IRQ_TYPE_SFI_CMD_0_IN, INTF_2, DPU_INTR_DSICMD_0_INTO_STATIC, 5}, { DPU_IRQ_TYPE_SFI_CMD_0_OUT, INTF_2, DPU_INTR_DSICMD_0_OUTOF_STATIC, 5}, /* irq_idx: 164-167 */ { DPU_IRQ_TYPE_SFI_CMD_1_IN, INTF_2, DPU_INTR_DSICMD_1_INTO_STATIC, 5}, { DPU_IRQ_TYPE_SFI_CMD_1_OUT, INTF_2, DPU_INTR_DSICMD_1_OUTOF_STATIC, 5}, { DPU_IRQ_TYPE_SFI_CMD_2_IN, INTF_2, DPU_INTR_DSICMD_2_INTO_STATIC, 5}, { DPU_IRQ_TYPE_SFI_CMD_2_OUT, INTF_2, DPU_INTR_DSICMD_2_OUTOF_STATIC, 5}, /* irq_idx: 168-171 */ { DPU_IRQ_TYPE_PROG_LINE, INTF_2, DPU_INTR_PROG_LINE, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, /* irq_idx: 172-175 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, /* irq_idx: 176-179 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, /* irq_idx: 180-183 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, /* irq_idx: 184-187 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, /* irq_idx: 188-191 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 5}, /* BEGIN MAP_RANGE: 192-223 INTF_3_INTR */ /* irq_idx: 192-195 */ { DPU_IRQ_TYPE_SFI_VIDEO_IN, INTF_3, DPU_INTR_VIDEO_INTO_STATIC, 6}, { DPU_IRQ_TYPE_SFI_VIDEO_OUT, INTF_3, DPU_INTR_VIDEO_OUTOF_STATIC, 6}, { DPU_IRQ_TYPE_SFI_CMD_0_IN, INTF_3, DPU_INTR_DSICMD_0_INTO_STATIC, 6}, { DPU_IRQ_TYPE_SFI_CMD_0_OUT, INTF_3, DPU_INTR_DSICMD_0_OUTOF_STATIC, 6}, /* irq_idx: 196-199 */ { DPU_IRQ_TYPE_SFI_CMD_1_IN, INTF_3, DPU_INTR_DSICMD_1_INTO_STATIC, 6}, { DPU_IRQ_TYPE_SFI_CMD_1_OUT, INTF_3, DPU_INTR_DSICMD_1_OUTOF_STATIC, 6}, { DPU_IRQ_TYPE_SFI_CMD_2_IN, INTF_3, DPU_INTR_DSICMD_2_INTO_STATIC, 6}, { DPU_IRQ_TYPE_SFI_CMD_2_OUT, INTF_3, DPU_INTR_DSICMD_2_OUTOF_STATIC, 6}, /* irq_idx: 200-203 */ { DPU_IRQ_TYPE_PROG_LINE, INTF_3, DPU_INTR_PROG_LINE, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, /* irq_idx: 204-207 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, /* irq_idx: 208-211 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, /* irq_idx: 212-215 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, /* irq_idx: 216-219 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, /* irq_idx: 220-223 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 6}, /* BEGIN MAP_RANGE: 224-255 INTF_4_INTR */ /* irq_idx: 224-227 */ { DPU_IRQ_TYPE_SFI_VIDEO_IN, INTF_4, DPU_INTR_VIDEO_INTO_STATIC, 7}, { DPU_IRQ_TYPE_SFI_VIDEO_OUT, INTF_4, DPU_INTR_VIDEO_OUTOF_STATIC, 7}, { DPU_IRQ_TYPE_SFI_CMD_0_IN, INTF_4, DPU_INTR_DSICMD_0_INTO_STATIC, 7}, { DPU_IRQ_TYPE_SFI_CMD_0_OUT, INTF_4, DPU_INTR_DSICMD_0_OUTOF_STATIC, 7}, /* irq_idx: 228-231 */ { DPU_IRQ_TYPE_SFI_CMD_1_IN, INTF_4, DPU_INTR_DSICMD_1_INTO_STATIC, 7}, { DPU_IRQ_TYPE_SFI_CMD_1_OUT, INTF_4, DPU_INTR_DSICMD_1_OUTOF_STATIC, 7}, { DPU_IRQ_TYPE_SFI_CMD_2_IN, INTF_4, DPU_INTR_DSICMD_2_INTO_STATIC, 7}, { DPU_IRQ_TYPE_SFI_CMD_2_OUT, INTF_4, DPU_INTR_DSICMD_2_OUTOF_STATIC, 7}, /* irq_idx: 232-235 */ { DPU_IRQ_TYPE_PROG_LINE, INTF_4, DPU_INTR_PROG_LINE, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, /* irq_idx: 236-239 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, /* irq_idx: 240-243 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, /* irq_idx: 244-247 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, /* irq_idx: 248-251 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, /* irq_idx: 252-255 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 7}, /* BEGIN MAP_RANGE: 256-287 AD4_0_INTR */ /* irq_idx: 256-259 */ { DPU_IRQ_TYPE_AD4_BL_DONE, DSPP_0, DPU_INTR_BACKLIGHT_UPDATED, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, /* irq_idx: 260-263 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, /* irq_idx: 264-267 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, /* irq_idx: 268-271 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, /* irq_idx: 272-275 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, /* irq_idx: 276-279 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, /* irq_idx: 280-283 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, /* irq_idx: 284-287 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 8}, /* BEGIN MAP_RANGE: 288-319 AD4_1_INTR */ /* irq_idx: 288-291 */ { DPU_IRQ_TYPE_AD4_BL_DONE, DSPP_1, DPU_INTR_BACKLIGHT_UPDATED, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, /* irq_idx: 292-295 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, /* irq_idx: 296-299 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, /* irq_idx: 300-303 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, /* irq_idx: 304-307 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, /* irq_idx: 308-311 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, /* irq_idx: 312-315 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, /* irq_idx: 315-319 */ { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, { DPU_IRQ_TYPE_RESERVED, 0, 0, 9}, }; static int dpu_hw_intr_irqidx_lookup(enum dpu_intr_type intr_type, u32 instance_idx) { int i; for (i = 0; i < ARRAY_SIZE(dpu_irq_map); i++) { if (intr_type == dpu_irq_map[i].intr_type && instance_idx == dpu_irq_map[i].instance_idx) return i; } pr_debug("IRQ lookup fail!! intr_type=%d, instance_idx=%d\n", intr_type, instance_idx); return -EINVAL; } static void dpu_hw_intr_set_mask(struct dpu_hw_intr *intr, uint32_t reg_off, uint32_t mask) { if (!intr) return; DPU_REG_WRITE(&intr->hw, reg_off, mask); /* ensure register writes go through */ wmb(); } static void dpu_hw_intr_dispatch_irq(struct dpu_hw_intr *intr, void (*cbfunc)(void *, int), void *arg) { int reg_idx; int irq_idx; int start_idx; int end_idx; u32 irq_status; unsigned long irq_flags; if (!intr) return; /* * The dispatcher will save the IRQ status before calling here. * Now need to go through each IRQ status and find matching * irq lookup index. */ spin_lock_irqsave(&intr->irq_lock, irq_flags); for (reg_idx = 0; reg_idx < ARRAY_SIZE(dpu_intr_set); reg_idx++) { irq_status = intr->save_irq_status[reg_idx]; /* * Each Interrupt register has a range of 32 indexes, and * that is static for dpu_irq_map. */ start_idx = reg_idx * 32; end_idx = start_idx + 32; if (start_idx >= ARRAY_SIZE(dpu_irq_map) || end_idx > ARRAY_SIZE(dpu_irq_map)) continue; /* * Search through matching intr status from irq map. * start_idx and end_idx defined the search range in * the dpu_irq_map. */ for (irq_idx = start_idx; (irq_idx < end_idx) && irq_status; irq_idx++) if ((irq_status & dpu_irq_map[irq_idx].irq_mask) && (dpu_irq_map[irq_idx].reg_idx == reg_idx)) { /* * Once a match on irq mask, perform a callback * to the given cbfunc. cbfunc will take care * the interrupt status clearing. If cbfunc is * not provided, then the interrupt clearing * is here. */ if (cbfunc) cbfunc(arg, irq_idx); else intr->ops.clear_intr_status_nolock( intr, irq_idx); /* * When callback finish, clear the irq_status * with the matching mask. Once irq_status * is all cleared, the search can be stopped. */ irq_status &= ~dpu_irq_map[irq_idx].irq_mask; } } spin_unlock_irqrestore(&intr->irq_lock, irq_flags); } static int dpu_hw_intr_enable_irq(struct dpu_hw_intr *intr, int irq_idx) { int reg_idx; unsigned long irq_flags; const struct dpu_intr_reg *reg; const struct dpu_irq_type *irq; const char *dbgstr = NULL; uint32_t cache_irq_mask; if (!intr) return -EINVAL; if (irq_idx < 0 || irq_idx >= ARRAY_SIZE(dpu_irq_map)) { pr_err("invalid IRQ index: [%d]\n", irq_idx); return -EINVAL; } irq = &dpu_irq_map[irq_idx]; reg_idx = irq->reg_idx; reg = &dpu_intr_set[reg_idx]; spin_lock_irqsave(&intr->irq_lock, irq_flags); cache_irq_mask = intr->cache_irq_mask[reg_idx]; if (cache_irq_mask & irq->irq_mask) { dbgstr = "DPU IRQ already set:"; } else { dbgstr = "DPU IRQ enabled:"; cache_irq_mask |= irq->irq_mask; /* Cleaning any pending interrupt */ DPU_REG_WRITE(&intr->hw, reg->clr_off, irq->irq_mask); /* Enabling interrupts with the new mask */ DPU_REG_WRITE(&intr->hw, reg->en_off, cache_irq_mask); /* ensure register write goes through */ wmb(); intr->cache_irq_mask[reg_idx] = cache_irq_mask; } spin_unlock_irqrestore(&intr->irq_lock, irq_flags); pr_debug("%s MASK:0x%.8x, CACHE-MASK:0x%.8x\n", dbgstr, irq->irq_mask, cache_irq_mask); return 0; } static int dpu_hw_intr_disable_irq_nolock(struct dpu_hw_intr *intr, int irq_idx) { int reg_idx; const struct dpu_intr_reg *reg; const struct dpu_irq_type *irq; const char *dbgstr = NULL; uint32_t cache_irq_mask; if (!intr) return -EINVAL; if (irq_idx < 0 || irq_idx >= ARRAY_SIZE(dpu_irq_map)) { pr_err("invalid IRQ index: [%d]\n", irq_idx); return -EINVAL; } irq = &dpu_irq_map[irq_idx]; reg_idx = irq->reg_idx; reg = &dpu_intr_set[reg_idx]; cache_irq_mask = intr->cache_irq_mask[reg_idx]; if ((cache_irq_mask & irq->irq_mask) == 0) { dbgstr = "DPU IRQ is already cleared:"; } else { dbgstr = "DPU IRQ mask disable:"; cache_irq_mask &= ~irq->irq_mask; /* Disable interrupts based on the new mask */ DPU_REG_WRITE(&intr->hw, reg->en_off, cache_irq_mask); /* Cleaning any pending interrupt */ DPU_REG_WRITE(&intr->hw, reg->clr_off, irq->irq_mask); /* ensure register write goes through */ wmb(); intr->cache_irq_mask[reg_idx] = cache_irq_mask; } pr_debug("%s MASK:0x%.8x, CACHE-MASK:0x%.8x\n", dbgstr, irq->irq_mask, cache_irq_mask); return 0; } static int dpu_hw_intr_disable_irq(struct dpu_hw_intr *intr, int irq_idx) { unsigned long irq_flags; if (!intr) return -EINVAL; if (irq_idx < 0 || irq_idx >= ARRAY_SIZE(dpu_irq_map)) { pr_err("invalid IRQ index: [%d]\n", irq_idx); return -EINVAL; } spin_lock_irqsave(&intr->irq_lock, irq_flags); dpu_hw_intr_disable_irq_nolock(intr, irq_idx); spin_unlock_irqrestore(&intr->irq_lock, irq_flags); return 0; } static int dpu_hw_intr_clear_irqs(struct dpu_hw_intr *intr) { int i; if (!intr) return -EINVAL; for (i = 0; i < ARRAY_SIZE(dpu_intr_set); i++) DPU_REG_WRITE(&intr->hw, dpu_intr_set[i].clr_off, 0xffffffff); /* ensure register writes go through */ wmb(); return 0; } static int dpu_hw_intr_disable_irqs(struct dpu_hw_intr *intr) { int i; if (!intr) return -EINVAL; for (i = 0; i < ARRAY_SIZE(dpu_intr_set); i++) DPU_REG_WRITE(&intr->hw, dpu_intr_set[i].en_off, 0x00000000); /* ensure register writes go through */ wmb(); return 0; } static int dpu_hw_intr_get_valid_interrupts(struct dpu_hw_intr *intr, uint32_t *mask) { if (!intr || !mask) return -EINVAL; *mask = IRQ_SOURCE_MDP | IRQ_SOURCE_DSI0 | IRQ_SOURCE_DSI1 | IRQ_SOURCE_HDMI | IRQ_SOURCE_EDP; return 0; } static void dpu_hw_intr_get_interrupt_statuses(struct dpu_hw_intr *intr) { int i; u32 enable_mask; unsigned long irq_flags; if (!intr) return; spin_lock_irqsave(&intr->irq_lock, irq_flags); for (i = 0; i < ARRAY_SIZE(dpu_intr_set); i++) { /* Read interrupt status */ intr->save_irq_status[i] = DPU_REG_READ(&intr->hw, dpu_intr_set[i].status_off); /* Read enable mask */ enable_mask = DPU_REG_READ(&intr->hw, dpu_intr_set[i].en_off); /* and clear the interrupt */ if (intr->save_irq_status[i]) DPU_REG_WRITE(&intr->hw, dpu_intr_set[i].clr_off, intr->save_irq_status[i]); /* Finally update IRQ status based on enable mask */ intr->save_irq_status[i] &= enable_mask; } /* ensure register writes go through */ wmb(); spin_unlock_irqrestore(&intr->irq_lock, irq_flags); } static void dpu_hw_intr_clear_intr_status_nolock(struct dpu_hw_intr *intr, int irq_idx) { int reg_idx; if (!intr) return; reg_idx = dpu_irq_map[irq_idx].reg_idx; DPU_REG_WRITE(&intr->hw, dpu_intr_set[reg_idx].clr_off, dpu_irq_map[irq_idx].irq_mask); /* ensure register writes go through */ wmb(); } static void dpu_hw_intr_clear_interrupt_status(struct dpu_hw_intr *intr, int irq_idx) { unsigned long irq_flags; if (!intr) return; spin_lock_irqsave(&intr->irq_lock, irq_flags); dpu_hw_intr_clear_intr_status_nolock(intr, irq_idx); spin_unlock_irqrestore(&intr->irq_lock, irq_flags); } static u32 dpu_hw_intr_get_interrupt_status(struct dpu_hw_intr *intr, int irq_idx, bool clear) { int reg_idx; unsigned long irq_flags; u32 intr_status; if (!intr) return 0; if (irq_idx >= ARRAY_SIZE(dpu_irq_map) || irq_idx < 0) { pr_err("invalid IRQ index: [%d]\n", irq_idx); return 0; } spin_lock_irqsave(&intr->irq_lock, irq_flags); reg_idx = dpu_irq_map[irq_idx].reg_idx; intr_status = DPU_REG_READ(&intr->hw, dpu_intr_set[reg_idx].status_off) & dpu_irq_map[irq_idx].irq_mask; if (intr_status && clear) DPU_REG_WRITE(&intr->hw, dpu_intr_set[reg_idx].clr_off, intr_status); /* ensure register writes go through */ wmb(); spin_unlock_irqrestore(&intr->irq_lock, irq_flags); return intr_status; } static void __setup_intr_ops(struct dpu_hw_intr_ops *ops) { ops->set_mask = dpu_hw_intr_set_mask; ops->irq_idx_lookup = dpu_hw_intr_irqidx_lookup; ops->enable_irq = dpu_hw_intr_enable_irq; ops->disable_irq = dpu_hw_intr_disable_irq; ops->dispatch_irqs = dpu_hw_intr_dispatch_irq; ops->clear_all_irqs = dpu_hw_intr_clear_irqs; ops->disable_all_irqs = dpu_hw_intr_disable_irqs; ops->get_valid_interrupts = dpu_hw_intr_get_valid_interrupts; ops->get_interrupt_statuses = dpu_hw_intr_get_interrupt_statuses; ops->clear_interrupt_status = dpu_hw_intr_clear_interrupt_status; ops->clear_intr_status_nolock = dpu_hw_intr_clear_intr_status_nolock; ops->get_interrupt_status = dpu_hw_intr_get_interrupt_status; } static void __intr_offset(struct dpu_mdss_cfg *m, void __iomem *addr, struct dpu_hw_blk_reg_map *hw) { hw->base_off = addr; hw->blk_off = m->mdp[0].base; hw->hwversion = m->hwversion; } struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr, struct dpu_mdss_cfg *m) { struct dpu_hw_intr *intr; if (!addr || !m) return ERR_PTR(-EINVAL); intr = kzalloc(sizeof(*intr), GFP_KERNEL); if (!intr) return ERR_PTR(-ENOMEM); __intr_offset(m, addr, &intr->hw); __setup_intr_ops(&intr->ops); intr->irq_idx_tbl_size = ARRAY_SIZE(dpu_irq_map); intr->cache_irq_mask = kcalloc(ARRAY_SIZE(dpu_intr_set), sizeof(u32), GFP_KERNEL); if (intr->cache_irq_mask == NULL) { kfree(intr); return ERR_PTR(-ENOMEM); } intr->save_irq_status = kcalloc(ARRAY_SIZE(dpu_intr_set), sizeof(u32), GFP_KERNEL); if (intr->save_irq_status == NULL) { kfree(intr->cache_irq_mask); kfree(intr); return ERR_PTR(-ENOMEM); } spin_lock_init(&intr->irq_lock); return intr; } void dpu_hw_intr_destroy(struct dpu_hw_intr *intr) { if (intr) { kfree(intr->cache_irq_mask); kfree(intr->save_irq_status); kfree(intr); } } |