| /* Copyright (c) 2016, The Linux Foundation. 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 "sde_kms.h" |
| #include "sde_hw_interrupts.h" |
| #include "sde_hw_mdp_util.h" |
| #include "sde_hw_mdss.h" |
| |
| /** |
| * Register offsets in MDSS register file for the interrupt registers |
| * w.r.t. to the MDSS base |
| */ |
| #define HW_INTR_STATUS 0x0010 |
| #define MDP_SSPP_TOP0_OFF 0x1000 |
| #define MDP_INTF_0_OFF 0x6B000 |
| #define MDP_INTF_1_OFF 0x6B800 |
| #define MDP_INTF_2_OFF 0x6C000 |
| #define MDP_INTF_3_OFF 0x6C800 |
| #define MDP_INTF_4_OFF 0x6D000 |
| |
| /** |
| * WB interrupt status bit definitions |
| */ |
| #define SDE_INTR_WB_0_DONE BIT(0) |
| #define SDE_INTR_WB_1_DONE BIT(1) |
| #define SDE_INTR_WB_2_DONE BIT(4) |
| |
| /** |
| * WDOG timer interrupt status bit definitions |
| */ |
| #define SDE_INTR_WD_TIMER_0_DONE BIT(2) |
| #define SDE_INTR_WD_TIMER_1_DONE BIT(3) |
| #define SDE_INTR_WD_TIMER_2_DONE BIT(5) |
| #define SDE_INTR_WD_TIMER_3_DONE BIT(6) |
| #define SDE_INTR_WD_TIMER_4_DONE BIT(7) |
| |
| /** |
| * Pingpong interrupt status bit definitions |
| */ |
| #define SDE_INTR_PING_PONG_0_DONE BIT(8) |
| #define SDE_INTR_PING_PONG_1_DONE BIT(9) |
| #define SDE_INTR_PING_PONG_2_DONE BIT(10) |
| #define SDE_INTR_PING_PONG_3_DONE BIT(11) |
| #define SDE_INTR_PING_PONG_0_RD_PTR BIT(12) |
| #define SDE_INTR_PING_PONG_1_RD_PTR BIT(13) |
| #define SDE_INTR_PING_PONG_2_RD_PTR BIT(14) |
| #define SDE_INTR_PING_PONG_3_RD_PTR BIT(15) |
| #define SDE_INTR_PING_PONG_0_WR_PTR BIT(16) |
| #define SDE_INTR_PING_PONG_1_WR_PTR BIT(17) |
| #define SDE_INTR_PING_PONG_2_WR_PTR BIT(18) |
| #define SDE_INTR_PING_PONG_3_WR_PTR BIT(19) |
| #define SDE_INTR_PING_PONG_0_AUTOREFRESH_DONE BIT(20) |
| #define SDE_INTR_PING_PONG_1_AUTOREFRESH_DONE BIT(21) |
| #define SDE_INTR_PING_PONG_2_AUTOREFRESH_DONE BIT(22) |
| #define SDE_INTR_PING_PONG_3_AUTOREFRESH_DONE BIT(23) |
| |
| /** |
| * Interface interrupt status bit definitions |
| */ |
| #define SDE_INTR_INTF_0_UNDERRUN BIT(24) |
| #define SDE_INTR_INTF_1_UNDERRUN BIT(26) |
| #define SDE_INTR_INTF_2_UNDERRUN BIT(28) |
| #define SDE_INTR_INTF_3_UNDERRUN BIT(30) |
| #define SDE_INTR_INTF_0_VSYNC BIT(25) |
| #define SDE_INTR_INTF_1_VSYNC BIT(27) |
| #define SDE_INTR_INTF_2_VSYNC BIT(29) |
| #define SDE_INTR_INTF_3_VSYNC BIT(31) |
| |
| /** |
| * Pingpong Secondary interrupt status bit definitions |
| */ |
| #define SDE_INTR_PING_PONG_S0_AUTOREFRESH_DONE BIT(0) |
| #define SDE_INTR_PING_PONG_S0_WR_PTR BIT(4) |
| #define SDE_INTR_PING_PONG_S0_RD_PTR BIT(8) |
| #define SDE_INTR_PING_PONG_S0_TEAR_DETECTED BIT(22) |
| #define SDE_INTR_PING_PONG_S0_TE_DETECTED BIT(28) |
| |
| /** |
| * Pingpong TEAR detection interrupt status bit definitions |
| */ |
| #define SDE_INTR_PING_PONG_0_TEAR_DETECTED BIT(16) |
| #define SDE_INTR_PING_PONG_1_TEAR_DETECTED BIT(17) |
| #define SDE_INTR_PING_PONG_2_TEAR_DETECTED BIT(18) |
| #define SDE_INTR_PING_PONG_3_TEAR_DETECTED BIT(19) |
| |
| /** |
| * Pingpong TE detection interrupt status bit definitions |
| */ |
| #define SDE_INTR_PING_PONG_0_TE_DETECTED BIT(24) |
| #define SDE_INTR_PING_PONG_1_TE_DETECTED BIT(25) |
| #define SDE_INTR_PING_PONG_2_TE_DETECTED BIT(26) |
| #define SDE_INTR_PING_PONG_3_TE_DETECTED BIT(27) |
| |
| /** |
| * Concurrent WB overflow interrupt status bit definitions |
| */ |
| #define SDE_INTR_CWB_2_OVERFLOW BIT(14) |
| #define SDE_INTR_CWB_3_OVERFLOW BIT(15) |
| |
| /** |
| * Histogram VIG done interrupt status bit definitions |
| */ |
| #define SDE_INTR_HIST_VIG_0_DONE BIT(0) |
| #define SDE_INTR_HIST_VIG_1_DONE BIT(4) |
| #define SDE_INTR_HIST_VIG_2_DONE BIT(8) |
| #define SDE_INTR_HIST_VIG_3_DONE BIT(10) |
| |
| /** |
| * Histogram VIG reset Sequence done interrupt status bit definitions |
| */ |
| #define SDE_INTR_HIST_VIG_0_RSTSEQ_DONE BIT(1) |
| #define SDE_INTR_HIST_VIG_1_RSTSEQ_DONE BIT(5) |
| #define SDE_INTR_HIST_VIG_2_RSTSEQ_DONE BIT(9) |
| #define SDE_INTR_HIST_VIG_3_RSTSEQ_DONE BIT(11) |
| |
| /** |
| * Histogram DSPP done interrupt status bit definitions |
| */ |
| #define SDE_INTR_HIST_DSPP_0_DONE BIT(12) |
| #define SDE_INTR_HIST_DSPP_1_DONE BIT(16) |
| #define SDE_INTR_HIST_DSPP_2_DONE BIT(20) |
| #define SDE_INTR_HIST_DSPP_3_DONE BIT(22) |
| |
| /** |
| * Histogram DSPP reset Sequence done interrupt status bit definitions |
| */ |
| #define SDE_INTR_HIST_DSPP_0_RSTSEQ_DONE BIT(13) |
| #define SDE_INTR_HIST_DSPP_1_RSTSEQ_DONE BIT(17) |
| #define SDE_INTR_HIST_DSPP_2_RSTSEQ_DONE BIT(21) |
| #define SDE_INTR_HIST_DSPP_3_RSTSEQ_DONE BIT(23) |
| |
| /** |
| * INTF interrupt status bit definitions |
| */ |
| #define SDE_INTR_VIDEO_INTO_STATIC BIT(0) |
| #define SDE_INTR_VIDEO_OUTOF_STATIC BIT(1) |
| #define SDE_INTR_DSICMD_0_INTO_STATIC BIT(2) |
| #define SDE_INTR_DSICMD_0_OUTOF_STATIC BIT(3) |
| #define SDE_INTR_DSICMD_1_INTO_STATIC BIT(4) |
| #define SDE_INTR_DSICMD_1_OUTOF_STATIC BIT(5) |
| #define SDE_INTR_DSICMD_2_INTO_STATIC BIT(6) |
| #define SDE_INTR_DSICMD_2_OUTOF_STATIC BIT(7) |
| #define SDE_INTR_PROG_LINE BIT(8) |
| |
| /** |
| * struct sde_intr_reg - array of SDE register sets |
| * @clr_off: offset to CLEAR reg |
| * @en_off: offset to ENABLE reg |
| * @status_off: offset to STATUS reg |
| */ |
| struct sde_intr_reg { |
| u32 clr_off; |
| u32 en_off; |
| u32 status_off; |
| }; |
| |
| /** |
| * struct sde_irq_type - maps each irq with i/f |
| * @intr_type: type of interrupt listed in sde_intr_type |
| * @instance_idx: instance index of the associated HW block in SDE |
| * @irq_mask: corresponding bit in the interrupt status reg |
| * @reg_idx: which reg set to use |
| */ |
| struct sde_irq_type { |
| u32 intr_type; |
| u32 instance_idx; |
| u32 irq_mask; |
| u32 reg_idx; |
| }; |
| |
| /** |
| * List of SDE interrupt registers |
| */ |
| static const struct sde_intr_reg sde_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 |
| } |
| }; |
| |
| /** |
| * IRQ mapping table - use for lookup an irq_idx in this table that have |
| * a matching interface type and instance index. |
| */ |
| static const struct sde_irq_type sde_irq_map[] = { |
| /* BEGIN MAP_RANGE: 0-31, INTR */ |
| /* irq_idx: 0-3 */ |
| { SDE_IRQ_TYPE_WB_ROT_COMP, WB_0, SDE_INTR_WB_0_DONE, 0}, |
| { SDE_IRQ_TYPE_WB_ROT_COMP, WB_1, SDE_INTR_WB_1_DONE, 0}, |
| { SDE_IRQ_TYPE_WD_TIMER, WD_TIMER_0, SDE_INTR_WD_TIMER_0_DONE, 0}, |
| { SDE_IRQ_TYPE_WD_TIMER, WD_TIMER_1, SDE_INTR_WD_TIMER_1_DONE, 0}, |
| /* irq_idx: 4-7 */ |
| { SDE_IRQ_TYPE_WB_WFD_COMP, WB_2, SDE_INTR_WB_2_DONE, 0}, |
| { SDE_IRQ_TYPE_WD_TIMER, WD_TIMER_2, SDE_INTR_WD_TIMER_2_DONE, 0}, |
| { SDE_IRQ_TYPE_WD_TIMER, WD_TIMER_3, SDE_INTR_WD_TIMER_3_DONE, 0}, |
| { SDE_IRQ_TYPE_WD_TIMER, WD_TIMER_4, SDE_INTR_WD_TIMER_4_DONE, 0}, |
| /* irq_idx: 8-11 */ |
| { SDE_IRQ_TYPE_PING_PONG_COMP, PINGPONG_0, |
| SDE_INTR_PING_PONG_0_DONE, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_COMP, PINGPONG_1, |
| SDE_INTR_PING_PONG_1_DONE, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_COMP, PINGPONG_2, |
| SDE_INTR_PING_PONG_2_DONE, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_COMP, PINGPONG_3, |
| SDE_INTR_PING_PONG_3_DONE, 0}, |
| /* irq_idx: 12-15 */ |
| { SDE_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_0, |
| SDE_INTR_PING_PONG_0_RD_PTR, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_1, |
| SDE_INTR_PING_PONG_1_RD_PTR, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_2, |
| SDE_INTR_PING_PONG_2_RD_PTR, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_3, |
| SDE_INTR_PING_PONG_3_RD_PTR, 0}, |
| /* irq_idx: 16-19 */ |
| { SDE_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_0, |
| SDE_INTR_PING_PONG_0_WR_PTR, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_1, |
| SDE_INTR_PING_PONG_1_WR_PTR, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_2, |
| SDE_INTR_PING_PONG_2_WR_PTR, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_3, |
| SDE_INTR_PING_PONG_3_WR_PTR, 0}, |
| /* irq_idx: 20-23 */ |
| { SDE_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_0, |
| SDE_INTR_PING_PONG_0_AUTOREFRESH_DONE, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_1, |
| SDE_INTR_PING_PONG_1_AUTOREFRESH_DONE, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_2, |
| SDE_INTR_PING_PONG_2_AUTOREFRESH_DONE, 0}, |
| { SDE_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_3, |
| SDE_INTR_PING_PONG_3_AUTOREFRESH_DONE, 0}, |
| /* irq_idx: 24-27 */ |
| { SDE_IRQ_TYPE_INTF_UNDER_RUN, INTF_0, SDE_INTR_INTF_0_UNDERRUN, 0}, |
| { SDE_IRQ_TYPE_INTF_VSYNC, INTF_0, SDE_INTR_INTF_0_VSYNC, 0}, |
| { SDE_IRQ_TYPE_INTF_UNDER_RUN, INTF_1, SDE_INTR_INTF_1_UNDERRUN, 0}, |
| { SDE_IRQ_TYPE_INTF_VSYNC, INTF_1, SDE_INTR_INTF_1_VSYNC, 0}, |
| /* irq_idx: 28-31 */ |
| { SDE_IRQ_TYPE_INTF_UNDER_RUN, INTF_2, SDE_INTR_INTF_2_UNDERRUN, 0}, |
| { SDE_IRQ_TYPE_INTF_VSYNC, INTF_2, SDE_INTR_INTF_2_VSYNC, 0}, |
| { SDE_IRQ_TYPE_INTF_UNDER_RUN, INTF_3, SDE_INTR_INTF_3_UNDERRUN, 0}, |
| { SDE_IRQ_TYPE_INTF_VSYNC, INTF_3, SDE_INTR_INTF_3_VSYNC, 0}, |
| |
| /* BEGIN MAP_RANGE: 32-64, INTR2 */ |
| /* irq_idx: 32-35 */ |
| { SDE_IRQ_TYPE_PING_PONG_AUTO_REF, PINGPONG_S0, |
| SDE_INTR_PING_PONG_S0_AUTOREFRESH_DONE, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| /* irq_idx: 36-39 */ |
| { SDE_IRQ_TYPE_PING_PONG_WR_PTR, PINGPONG_S0, |
| SDE_INTR_PING_PONG_S0_WR_PTR, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| /* irq_idx: 40-43 */ |
| { SDE_IRQ_TYPE_PING_PONG_RD_PTR, PINGPONG_S0, |
| SDE_INTR_PING_PONG_S0_RD_PTR, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| /* irq_idx: 44-47 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_CWB_OVERFLOW, CWB_2, SDE_INTR_CWB_2_OVERFLOW, 1}, |
| { SDE_IRQ_TYPE_CWB_OVERFLOW, CWB_3, SDE_INTR_CWB_3_OVERFLOW, 1}, |
| /* irq_idx: 48-51 */ |
| { SDE_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_0, |
| SDE_INTR_PING_PONG_0_TEAR_DETECTED, 1}, |
| { SDE_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_1, |
| SDE_INTR_PING_PONG_1_TEAR_DETECTED, 1}, |
| { SDE_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_2, |
| SDE_INTR_PING_PONG_2_TEAR_DETECTED, 1}, |
| { SDE_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_3, |
| SDE_INTR_PING_PONG_3_TEAR_DETECTED, 1}, |
| /* irq_idx: 52-55 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_PING_PONG_TEAR_CHECK, PINGPONG_S0, |
| SDE_INTR_PING_PONG_S0_TEAR_DETECTED, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| /* irq_idx: 56-59 */ |
| { SDE_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_0, |
| SDE_INTR_PING_PONG_0_TE_DETECTED, 1}, |
| { SDE_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_1, |
| SDE_INTR_PING_PONG_1_TE_DETECTED, 1}, |
| { SDE_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_2, |
| SDE_INTR_PING_PONG_2_TE_DETECTED, 1}, |
| { SDE_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_3, |
| SDE_INTR_PING_PONG_3_TE_DETECTED, 1}, |
| /* irq_idx: 60-63 */ |
| { SDE_IRQ_TYPE_PING_PONG_TE_CHECK, PINGPONG_S0, |
| SDE_INTR_PING_PONG_S0_TE_DETECTED, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 1}, |
| |
| /* BEGIN MAP_RANGE: 64-95 HIST */ |
| /* irq_idx: 64-67 */ |
| { SDE_IRQ_TYPE_HIST_VIG_DONE, SSPP_VIG0, SDE_INTR_HIST_VIG_0_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_VIG_RSTSEQ, SSPP_VIG0, |
| SDE_INTR_HIST_VIG_0_RSTSEQ_DONE, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| /* irq_idx: 68-71 */ |
| { SDE_IRQ_TYPE_HIST_VIG_DONE, SSPP_VIG1, SDE_INTR_HIST_VIG_1_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_VIG_RSTSEQ, SSPP_VIG1, |
| SDE_INTR_HIST_VIG_1_RSTSEQ_DONE, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| /* irq_idx: 68-71 */ |
| { SDE_IRQ_TYPE_HIST_VIG_DONE, SSPP_VIG2, SDE_INTR_HIST_VIG_2_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_VIG_RSTSEQ, SSPP_VIG2, |
| SDE_INTR_HIST_VIG_2_RSTSEQ_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_VIG_DONE, SSPP_VIG3, SDE_INTR_HIST_VIG_3_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_VIG_RSTSEQ, SSPP_VIG3, |
| SDE_INTR_HIST_VIG_3_RSTSEQ_DONE, 2}, |
| /* irq_idx: 72-75 */ |
| { SDE_IRQ_TYPE_HIST_DSPP_DONE, DSPP_0, SDE_INTR_HIST_DSPP_0_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_DSPP_RSTSEQ, DSPP_0, |
| SDE_INTR_HIST_DSPP_0_RSTSEQ_DONE, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| /* irq_idx: 76-79 */ |
| { SDE_IRQ_TYPE_HIST_DSPP_DONE, DSPP_1, SDE_INTR_HIST_DSPP_1_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_DSPP_RSTSEQ, DSPP_1, |
| SDE_INTR_HIST_DSPP_1_RSTSEQ_DONE, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| /* irq_idx: 80-83 */ |
| { SDE_IRQ_TYPE_HIST_DSPP_DONE, DSPP_2, SDE_INTR_HIST_DSPP_2_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_DSPP_RSTSEQ, DSPP_2, |
| SDE_INTR_HIST_DSPP_2_RSTSEQ_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_DSPP_DONE, DSPP_3, SDE_INTR_HIST_DSPP_3_DONE, 2}, |
| { SDE_IRQ_TYPE_HIST_DSPP_RSTSEQ, DSPP_3, |
| SDE_INTR_HIST_DSPP_3_RSTSEQ_DONE, 2}, |
| /* irq_idx: 84-87 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| /* irq_idx: 88-91 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| /* irq_idx: 92-95 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 2}, |
| |
| /* BEGIN MAP_RANGE: 96-127 INTF_0_INTR */ |
| /* irq_idx: 96-99 */ |
| { SDE_IRQ_TYPE_SFI_VIDEO_IN, INTF_0, |
| SDE_INTR_VIDEO_INTO_STATIC, 3}, |
| { SDE_IRQ_TYPE_SFI_VIDEO_OUT, INTF_0, |
| SDE_INTR_VIDEO_OUTOF_STATIC, 3}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_IN, INTF_0, |
| SDE_INTR_DSICMD_0_INTO_STATIC, 3}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_OUT, INTF_0, |
| SDE_INTR_DSICMD_0_OUTOF_STATIC, 3}, |
| /* irq_idx: 100-103 */ |
| { SDE_IRQ_TYPE_SFI_CMD_1_IN, INTF_0, |
| SDE_INTR_DSICMD_1_INTO_STATIC, 3}, |
| { SDE_IRQ_TYPE_SFI_CMD_1_OUT, INTF_0, |
| SDE_INTR_DSICMD_1_OUTOF_STATIC, 3}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_IN, INTF_0, |
| SDE_INTR_DSICMD_2_INTO_STATIC, 3}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_OUT, INTF_0, |
| SDE_INTR_DSICMD_2_OUTOF_STATIC, 3}, |
| /* irq_idx: 104-107 */ |
| { SDE_IRQ_TYPE_PROG_LINE, INTF_0, SDE_INTR_PROG_LINE, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| /* irq_idx: 108-111 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| /* irq_idx: 112-115 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| /* irq_idx: 116-119 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| /* irq_idx: 120-123 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| /* irq_idx: 124-127 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 3}, |
| |
| /* BEGIN MAP_RANGE: 128-159 INTF_1_INTR */ |
| /* irq_idx: 128-131 */ |
| { SDE_IRQ_TYPE_SFI_VIDEO_IN, INTF_1, |
| SDE_INTR_VIDEO_INTO_STATIC, 4}, |
| { SDE_IRQ_TYPE_SFI_VIDEO_OUT, INTF_1, |
| SDE_INTR_VIDEO_OUTOF_STATIC, 4}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_IN, INTF_1, |
| SDE_INTR_DSICMD_0_INTO_STATIC, 4}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_OUT, INTF_1, |
| SDE_INTR_DSICMD_0_OUTOF_STATIC, 4}, |
| /* irq_idx: 132-135 */ |
| { SDE_IRQ_TYPE_SFI_CMD_1_IN, INTF_1, |
| SDE_INTR_DSICMD_1_INTO_STATIC, 4}, |
| { SDE_IRQ_TYPE_SFI_CMD_1_OUT, INTF_1, |
| SDE_INTR_DSICMD_1_OUTOF_STATIC, 4}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_IN, INTF_1, |
| SDE_INTR_DSICMD_2_INTO_STATIC, 4}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_OUT, INTF_1, |
| SDE_INTR_DSICMD_2_OUTOF_STATIC, 4}, |
| /* irq_idx: 136-139 */ |
| { SDE_IRQ_TYPE_PROG_LINE, INTF_1, SDE_INTR_PROG_LINE, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| /* irq_idx: 140-143 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| /* irq_idx: 144-147 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| /* irq_idx: 148-151 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| /* irq_idx: 152-155 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| /* irq_idx: 156-159 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 4}, |
| |
| /* BEGIN MAP_RANGE: 160-191 INTF_2_INTR */ |
| /* irq_idx: 160-163 */ |
| { SDE_IRQ_TYPE_SFI_VIDEO_IN, INTF_2, |
| SDE_INTR_VIDEO_INTO_STATIC, 5}, |
| { SDE_IRQ_TYPE_SFI_VIDEO_OUT, INTF_2, |
| SDE_INTR_VIDEO_OUTOF_STATIC, 5}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_IN, INTF_2, |
| SDE_INTR_DSICMD_0_INTO_STATIC, 5}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_OUT, INTF_2, |
| SDE_INTR_DSICMD_0_OUTOF_STATIC, 5}, |
| /* irq_idx: 164-167 */ |
| { SDE_IRQ_TYPE_SFI_CMD_1_IN, INTF_2, |
| SDE_INTR_DSICMD_1_INTO_STATIC, 5}, |
| { SDE_IRQ_TYPE_SFI_CMD_1_OUT, INTF_2, |
| SDE_INTR_DSICMD_1_OUTOF_STATIC, 5}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_IN, INTF_2, |
| SDE_INTR_DSICMD_2_INTO_STATIC, 5}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_OUT, INTF_2, |
| SDE_INTR_DSICMD_2_OUTOF_STATIC, 5}, |
| /* irq_idx: 168-171 */ |
| { SDE_IRQ_TYPE_PROG_LINE, INTF_2, SDE_INTR_PROG_LINE, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| /* irq_idx: 172-175 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| /* irq_idx: 176-179 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| /* irq_idx: 180-183 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| /* irq_idx: 184-187 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| /* irq_idx: 188-191 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 5}, |
| |
| /* BEGIN MAP_RANGE: 192-223 INTF_3_INTR */ |
| /* irq_idx: 192-195 */ |
| { SDE_IRQ_TYPE_SFI_VIDEO_IN, INTF_3, |
| SDE_INTR_VIDEO_INTO_STATIC, 6}, |
| { SDE_IRQ_TYPE_SFI_VIDEO_OUT, INTF_3, |
| SDE_INTR_VIDEO_OUTOF_STATIC, 6}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_IN, INTF_3, |
| SDE_INTR_DSICMD_0_INTO_STATIC, 6}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_OUT, INTF_3, |
| SDE_INTR_DSICMD_0_OUTOF_STATIC, 6}, |
| /* irq_idx: 196-199 */ |
| { SDE_IRQ_TYPE_SFI_CMD_1_IN, INTF_3, |
| SDE_INTR_DSICMD_1_INTO_STATIC, 6}, |
| { SDE_IRQ_TYPE_SFI_CMD_1_OUT, INTF_3, |
| SDE_INTR_DSICMD_1_OUTOF_STATIC, 6}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_IN, INTF_3, |
| SDE_INTR_DSICMD_2_INTO_STATIC, 6}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_OUT, INTF_3, |
| SDE_INTR_DSICMD_2_OUTOF_STATIC, 6}, |
| /* irq_idx: 200-203 */ |
| { SDE_IRQ_TYPE_PROG_LINE, INTF_3, SDE_INTR_PROG_LINE, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| /* irq_idx: 204-207 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| /* irq_idx: 208-211 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| /* irq_idx: 212-215 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| /* irq_idx: 216-219 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| /* irq_idx: 220-223 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 6}, |
| |
| /* BEGIN MAP_RANGE: 224-255 INTF_4_INTR */ |
| /* irq_idx: 224-227 */ |
| { SDE_IRQ_TYPE_SFI_VIDEO_IN, INTF_4, |
| SDE_INTR_VIDEO_INTO_STATIC, 7}, |
| { SDE_IRQ_TYPE_SFI_VIDEO_OUT, INTF_4, |
| SDE_INTR_VIDEO_OUTOF_STATIC, 7}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_IN, INTF_4, |
| SDE_INTR_DSICMD_0_INTO_STATIC, 7}, |
| { SDE_IRQ_TYPE_SFI_CMD_0_OUT, INTF_4, |
| SDE_INTR_DSICMD_0_OUTOF_STATIC, 7}, |
| /* irq_idx: 228-231 */ |
| { SDE_IRQ_TYPE_SFI_CMD_1_IN, INTF_4, |
| SDE_INTR_DSICMD_1_INTO_STATIC, 7}, |
| { SDE_IRQ_TYPE_SFI_CMD_1_OUT, INTF_4, |
| SDE_INTR_DSICMD_1_OUTOF_STATIC, 7}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_IN, INTF_4, |
| SDE_INTR_DSICMD_2_INTO_STATIC, 7}, |
| { SDE_IRQ_TYPE_SFI_CMD_2_OUT, INTF_4, |
| SDE_INTR_DSICMD_2_OUTOF_STATIC, 7}, |
| /* irq_idx: 232-235 */ |
| { SDE_IRQ_TYPE_PROG_LINE, INTF_4, SDE_INTR_PROG_LINE, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| /* irq_idx: 236-239 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| /* irq_idx: 240-243 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| /* irq_idx: 244-247 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| /* irq_idx: 248-251 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| /* irq_idx: 252-255 */ |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| { SDE_IRQ_TYPE_RESERVED, 0, 0, 7}, |
| }; |
| |
| static int sde_hw_intr_irqidx_lookup(enum sde_intr_type intr_type, |
| u32 instance_idx) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(sde_irq_map); i++) { |
| if (intr_type == sde_irq_map[i].intr_type && |
| instance_idx == sde_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 sde_hw_intr_set_mask(struct sde_hw_intr *intr, uint32_t reg_off, |
| uint32_t mask) |
| { |
| SDE_REG_WRITE(&intr->hw, reg_off, mask); |
| } |
| |
| static void sde_hw_intr_dispatch_irq(struct sde_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; |
| |
| /* |
| * 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->status_lock, irq_flags); |
| for (reg_idx = 0; reg_idx < ARRAY_SIZE(sde_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 sde_irq_map. |
| */ |
| start_idx = reg_idx * 32; |
| end_idx = start_idx + 32; |
| |
| /* |
| * Search through matching intr status from irq map. |
| * start_idx and end_idx defined the search range in |
| * the sde_irq_map. |
| */ |
| for (irq_idx = start_idx; |
| (irq_idx < end_idx) && irq_status; |
| irq_idx++) |
| if ((irq_status & sde_irq_map[irq_idx].irq_mask) && |
| (sde_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_interrupt_status( |
| 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 &= ~sde_irq_map[irq_idx].irq_mask; |
| } |
| } |
| spin_unlock_irqrestore(&intr->status_lock, irq_flags); |
| } |
| |
| static int sde_hw_intr_enable_irq(struct sde_hw_intr *intr, int irq_idx) |
| { |
| int reg_idx; |
| unsigned long irq_flags; |
| const struct sde_intr_reg *reg; |
| const struct sde_irq_type *irq; |
| const char *dbgstr = NULL; |
| uint32_t cache_irq_mask; |
| |
| if (irq_idx < 0 || irq_idx >= ARRAY_SIZE(sde_irq_map)) { |
| pr_err("invalid IRQ index: [%d]\n", irq_idx); |
| return -EINVAL; |
| } |
| |
| irq = &sde_irq_map[irq_idx]; |
| reg_idx = irq->reg_idx; |
| reg = &sde_intr_set[reg_idx]; |
| |
| spin_lock_irqsave(&intr->mask_lock, irq_flags); |
| cache_irq_mask = intr->cache_irq_mask[reg_idx]; |
| if (cache_irq_mask & irq->irq_mask) { |
| dbgstr = "SDE IRQ already set:"; |
| } else { |
| dbgstr = "SDE IRQ enabled:"; |
| |
| cache_irq_mask |= irq->irq_mask; |
| /* Cleaning any pending interrupt */ |
| SDE_REG_WRITE(&intr->hw, reg->clr_off, irq->irq_mask); |
| /* Enabling interrupts with the new mask */ |
| SDE_REG_WRITE(&intr->hw, reg->en_off, cache_irq_mask); |
| |
| intr->cache_irq_mask[reg_idx] = cache_irq_mask; |
| } |
| spin_unlock_irqrestore(&intr->mask_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 sde_hw_intr_disable_irq(struct sde_hw_intr *intr, int irq_idx) |
| { |
| int reg_idx; |
| unsigned long irq_flags; |
| const struct sde_intr_reg *reg; |
| const struct sde_irq_type *irq; |
| const char *dbgstr = NULL; |
| uint32_t cache_irq_mask; |
| |
| if (irq_idx < 0 || irq_idx >= ARRAY_SIZE(sde_irq_map)) { |
| pr_err("invalid IRQ index: [%d]\n", irq_idx); |
| return -EINVAL; |
| } |
| |
| irq = &sde_irq_map[irq_idx]; |
| reg_idx = irq->reg_idx; |
| reg = &sde_intr_set[reg_idx]; |
| |
| spin_lock_irqsave(&intr->mask_lock, irq_flags); |
| cache_irq_mask = intr->cache_irq_mask[reg_idx]; |
| if ((cache_irq_mask & irq->irq_mask) == 0) { |
| dbgstr = "SDE IRQ is already cleared:"; |
| } else { |
| dbgstr = "SDE IRQ mask disable:"; |
| |
| cache_irq_mask &= ~irq->irq_mask; |
| /* Disable interrupts based on the new mask */ |
| SDE_REG_WRITE(&intr->hw, reg->en_off, cache_irq_mask); |
| /* Cleaning any pending interrupt */ |
| SDE_REG_WRITE(&intr->hw, reg->clr_off, irq->irq_mask); |
| |
| intr->cache_irq_mask[reg_idx] = cache_irq_mask; |
| } |
| spin_unlock_irqrestore(&intr->mask_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 sde_hw_intr_clear_irqs(struct sde_hw_intr *intr) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(sde_intr_set); i++) |
| SDE_REG_WRITE(&intr->hw, sde_intr_set[i].clr_off, 0xffffffff); |
| |
| return 0; |
| } |
| |
| static int sde_hw_intr_disable_irqs(struct sde_hw_intr *intr) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(sde_intr_set); i++) |
| SDE_REG_WRITE(&intr->hw, sde_intr_set[i].en_off, 0x00000000); |
| |
| return 0; |
| } |
| |
| static int sde_hw_intr_get_valid_interrupts(struct sde_hw_intr *intr, |
| uint32_t *mask) |
| { |
| *mask = IRQ_SOURCE_MDP | IRQ_SOURCE_DSI0 | IRQ_SOURCE_DSI1 |
| | IRQ_SOURCE_HDMI | IRQ_SOURCE_EDP; |
| return 0; |
| } |
| |
| static int sde_hw_intr_get_interrupt_sources(struct sde_hw_intr *intr, |
| uint32_t *sources) |
| { |
| *sources = SDE_REG_READ(&intr->hw, HW_INTR_STATUS); |
| return 0; |
| } |
| |
| static void sde_hw_intr_get_interrupt_statuses(struct sde_hw_intr *intr) |
| { |
| int i; |
| u32 enable_mask; |
| unsigned long irq_flags; |
| |
| spin_lock_irqsave(&intr->status_lock, irq_flags); |
| for (i = 0; i < ARRAY_SIZE(sde_intr_set); i++) { |
| /* Read interrupt status */ |
| intr->save_irq_status[i] = SDE_REG_READ(&intr->hw, |
| sde_intr_set[i].status_off); |
| |
| /* Read enable mask */ |
| enable_mask = SDE_REG_READ(&intr->hw, sde_intr_set[i].en_off); |
| |
| /* and clear the interrupt */ |
| if (intr->save_irq_status[i]) |
| SDE_REG_WRITE(&intr->hw, sde_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; |
| } |
| spin_unlock_irqrestore(&intr->status_lock, irq_flags); |
| } |
| |
| static void sde_hw_intr_clear_interrupt_status(struct sde_hw_intr *intr, |
| int irq_idx) |
| { |
| int reg_idx; |
| unsigned long irq_flags; |
| |
| spin_lock_irqsave(&intr->mask_lock, irq_flags); |
| |
| reg_idx = sde_irq_map[irq_idx].reg_idx; |
| SDE_REG_WRITE(&intr->hw, sde_intr_set[reg_idx].clr_off, |
| sde_irq_map[irq_idx].irq_mask); |
| |
| spin_unlock_irqrestore(&intr->mask_lock, irq_flags); |
| } |
| |
| |
| static void __setup_intr_ops(struct sde_hw_intr_ops *ops) |
| { |
| ops->set_mask = sde_hw_intr_set_mask; |
| ops->irq_idx_lookup = sde_hw_intr_irqidx_lookup; |
| ops->enable_irq = sde_hw_intr_enable_irq; |
| ops->disable_irq = sde_hw_intr_disable_irq; |
| ops->dispatch_irqs = sde_hw_intr_dispatch_irq; |
| ops->clear_all_irqs = sde_hw_intr_clear_irqs; |
| ops->disable_all_irqs = sde_hw_intr_disable_irqs; |
| ops->get_valid_interrupts = sde_hw_intr_get_valid_interrupts; |
| ops->get_interrupt_sources = sde_hw_intr_get_interrupt_sources; |
| ops->get_interrupt_statuses = sde_hw_intr_get_interrupt_statuses; |
| ops->clear_interrupt_status = sde_hw_intr_clear_interrupt_status; |
| } |
| |
| static struct sde_mdss_base_cfg *__intr_offset(struct sde_mdss_cfg *m, |
| void __iomem *addr, struct sde_hw_blk_reg_map *hw) |
| { |
| if (m->mdp_count == 0) |
| return NULL; |
| |
| hw->base_off = addr; |
| hw->blk_off = m->mdss[0].base; |
| hw->hwversion = m->hwversion; |
| return &m->mdss[0]; |
| } |
| |
| struct sde_hw_intr *sde_hw_intr_init(void __iomem *addr, |
| struct sde_mdss_cfg *m) |
| { |
| struct sde_hw_intr *intr = kzalloc(sizeof(*intr), GFP_KERNEL); |
| struct sde_mdss_base_cfg *cfg; |
| |
| if (!intr) |
| return ERR_PTR(-ENOMEM); |
| |
| cfg = __intr_offset(m, addr, &intr->hw); |
| if (!cfg) { |
| kfree(intr); |
| return ERR_PTR(-EINVAL); |
| } |
| __setup_intr_ops(&intr->ops); |
| |
| intr->irq_idx_tbl_size = ARRAY_SIZE(sde_irq_map); |
| |
| intr->cache_irq_mask = kcalloc(ARRAY_SIZE(sde_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(sde_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->mask_lock); |
| spin_lock_init(&intr->status_lock); |
| |
| return intr; |
| } |
| |
| void sde_hw_intr_destroy(struct sde_hw_intr *intr) |
| { |
| if (intr) { |
| kfree(intr->cache_irq_mask); |
| kfree(intr->save_irq_status); |
| kfree(intr); |
| } |
| } |
| |