diff options
Diffstat (limited to 'kernel/drivers/gpu/drm/msm/edp')
| -rw-r--r-- | kernel/drivers/gpu/drm/msm/edp/edp.xml.h | 113 | ||||
| -rw-r--r-- | kernel/drivers/gpu/drm/msm/edp/edp_aux.c | 12 | ||||
| -rw-r--r-- | kernel/drivers/gpu/drm/msm/edp/edp_ctrl.c | 26 |
3 files changed, 114 insertions, 37 deletions
diff --git a/kernel/drivers/gpu/drm/msm/edp/edp.xml.h b/kernel/drivers/gpu/drm/msm/edp/edp.xml.h index a29f1df15..90bf5ed46 100644 --- a/kernel/drivers/gpu/drm/msm/edp/edp.xml.h +++ b/kernel/drivers/gpu/drm/msm/edp/edp.xml.h @@ -8,19 +8,19 @@ http://github.com/freedreno/envytools/ git clone https://github.com/freedreno/envytools.git The rules-ng-ng source files this header was generated from are: -- /home/robclark/src/freedreno/envytools/rnndb/msm.xml ( 676 bytes, from 2014-12-05 15:34:49) -- /home/robclark/src/freedreno/envytools/rnndb/freedreno_copyright.xml ( 1453 bytes, from 2013-03-31 16:51:27) -- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp4.xml ( 20908 bytes, from 2014-12-08 16:13:00) -- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp_common.xml ( 2357 bytes, from 2014-12-08 16:13:00) -- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp5.xml ( 27208 bytes, from 2015-01-13 23:56:11) -- /home/robclark/src/freedreno/envytools/rnndb/dsi/dsi.xml ( 11712 bytes, from 2013-08-17 17:13:43) -- /home/robclark/src/freedreno/envytools/rnndb/dsi/sfpb.xml ( 344 bytes, from 2013-08-11 19:26:32) -- /home/robclark/src/freedreno/envytools/rnndb/dsi/mmss_cc.xml ( 1686 bytes, from 2014-10-31 16:48:57) -- /home/robclark/src/freedreno/envytools/rnndb/hdmi/qfprom.xml ( 600 bytes, from 2013-07-05 19:21:12) -- /home/robclark/src/freedreno/envytools/rnndb/hdmi/hdmi.xml ( 26848 bytes, from 2015-01-13 23:55:57) -- /home/robclark/src/freedreno/envytools/rnndb/edp/edp.xml ( 8253 bytes, from 2014-12-08 16:13:00) - -Copyright (C) 2013-2014 by the following authors: +- /home/robclark/src/freedreno/envytools/rnndb/msm.xml ( 676 bytes, from 2015-05-20 20:03:14) +- /home/robclark/src/freedreno/envytools/rnndb/freedreno_copyright.xml ( 1453 bytes, from 2015-05-20 20:03:07) +- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp4.xml ( 20915 bytes, from 2015-05-20 20:03:14) +- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp_common.xml ( 2849 bytes, from 2015-09-18 12:07:28) +- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp5.xml ( 37194 bytes, from 2015-09-18 12:07:28) +- /home/robclark/src/freedreno/envytools/rnndb/dsi/dsi.xml ( 27887 bytes, from 2015-10-22 16:34:52) +- /home/robclark/src/freedreno/envytools/rnndb/dsi/sfpb.xml ( 602 bytes, from 2015-10-22 16:35:02) +- /home/robclark/src/freedreno/envytools/rnndb/dsi/mmss_cc.xml ( 1686 bytes, from 2015-05-20 20:03:14) +- /home/robclark/src/freedreno/envytools/rnndb/hdmi/qfprom.xml ( 600 bytes, from 2015-05-20 20:03:07) +- /home/robclark/src/freedreno/envytools/rnndb/hdmi/hdmi.xml ( 29154 bytes, from 2015-08-10 21:25:43) +- /home/robclark/src/freedreno/envytools/rnndb/edp/edp.xml ( 10416 bytes, from 2015-05-20 20:03:14) + +Copyright (C) 2013-2015 by the following authors: - Rob Clark <robdclark@gmail.com> (robclark) Permission is hereby granted, free of charge, to any person obtaining @@ -288,5 +288,92 @@ static inline uint32_t REG_EDP_PHY_LN_PD_CTL(uint32_t i0) { return 0x00000404 + #define REG_EDP_PHY_GLB_PHY_STATUS 0x00000598 +#define REG_EDP_28nm_PHY_PLL_REFCLK_CFG 0x00000000 + +#define REG_EDP_28nm_PHY_PLL_POSTDIV1_CFG 0x00000004 + +#define REG_EDP_28nm_PHY_PLL_CHGPUMP_CFG 0x00000008 + +#define REG_EDP_28nm_PHY_PLL_VCOLPF_CFG 0x0000000c + +#define REG_EDP_28nm_PHY_PLL_VREG_CFG 0x00000010 + +#define REG_EDP_28nm_PHY_PLL_PWRGEN_CFG 0x00000014 + +#define REG_EDP_28nm_PHY_PLL_DMUX_CFG 0x00000018 + +#define REG_EDP_28nm_PHY_PLL_AMUX_CFG 0x0000001c + +#define REG_EDP_28nm_PHY_PLL_GLB_CFG 0x00000020 +#define EDP_28nm_PHY_PLL_GLB_CFG_PLL_PWRDN_B 0x00000001 +#define EDP_28nm_PHY_PLL_GLB_CFG_PLL_LDO_PWRDN_B 0x00000002 +#define EDP_28nm_PHY_PLL_GLB_CFG_PLL_PWRGEN_PWRDN_B 0x00000004 +#define EDP_28nm_PHY_PLL_GLB_CFG_PLL_ENABLE 0x00000008 + +#define REG_EDP_28nm_PHY_PLL_POSTDIV2_CFG 0x00000024 + +#define REG_EDP_28nm_PHY_PLL_POSTDIV3_CFG 0x00000028 + +#define REG_EDP_28nm_PHY_PLL_LPFR_CFG 0x0000002c + +#define REG_EDP_28nm_PHY_PLL_LPFC1_CFG 0x00000030 + +#define REG_EDP_28nm_PHY_PLL_LPFC2_CFG 0x00000034 + +#define REG_EDP_28nm_PHY_PLL_SDM_CFG0 0x00000038 + +#define REG_EDP_28nm_PHY_PLL_SDM_CFG1 0x0000003c + +#define REG_EDP_28nm_PHY_PLL_SDM_CFG2 0x00000040 + +#define REG_EDP_28nm_PHY_PLL_SDM_CFG3 0x00000044 + +#define REG_EDP_28nm_PHY_PLL_SDM_CFG4 0x00000048 + +#define REG_EDP_28nm_PHY_PLL_SSC_CFG0 0x0000004c + +#define REG_EDP_28nm_PHY_PLL_SSC_CFG1 0x00000050 + +#define REG_EDP_28nm_PHY_PLL_SSC_CFG2 0x00000054 + +#define REG_EDP_28nm_PHY_PLL_SSC_CFG3 0x00000058 + +#define REG_EDP_28nm_PHY_PLL_LKDET_CFG0 0x0000005c + +#define REG_EDP_28nm_PHY_PLL_LKDET_CFG1 0x00000060 + +#define REG_EDP_28nm_PHY_PLL_LKDET_CFG2 0x00000064 + +#define REG_EDP_28nm_PHY_PLL_TEST_CFG 0x00000068 +#define EDP_28nm_PHY_PLL_TEST_CFG_PLL_SW_RESET 0x00000001 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG0 0x0000006c + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG1 0x00000070 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG2 0x00000074 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG3 0x00000078 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG4 0x0000007c + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG5 0x00000080 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG6 0x00000084 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG7 0x00000088 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG8 0x0000008c + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG9 0x00000090 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG10 0x00000094 + +#define REG_EDP_28nm_PHY_PLL_CAL_CFG11 0x00000098 + +#define REG_EDP_28nm_PHY_PLL_EFUSE_CFG 0x0000009c + +#define REG_EDP_28nm_PHY_PLL_DEBUG_BUS_SEL 0x000000a0 + #endif /* EDP_XML */ diff --git a/kernel/drivers/gpu/drm/msm/edp/edp_aux.c b/kernel/drivers/gpu/drm/msm/edp/edp_aux.c index 208f9d47f..82789dd24 100644 --- a/kernel/drivers/gpu/drm/msm/edp/edp_aux.c +++ b/kernel/drivers/gpu/drm/msm/edp/edp_aux.c @@ -115,10 +115,12 @@ static int edp_msg_fifo_rx(struct edp_aux *aux, struct drm_dp_aux_msg *msg) * msm_edp_aux_ctrl() running concurrently in other threads, i.e. * start transaction only when AUX channel is fully enabled. */ -ssize_t edp_aux_transfer(struct drm_dp_aux *drm_aux, struct drm_dp_aux_msg *msg) +static ssize_t edp_aux_transfer(struct drm_dp_aux *drm_aux, + struct drm_dp_aux_msg *msg) { struct edp_aux *aux = to_edp_aux(drm_aux); ssize_t ret; + unsigned long time_left; bool native = msg->request & (DP_AUX_NATIVE_WRITE & DP_AUX_NATIVE_READ); bool read = msg->request & (DP_AUX_I2C_READ & DP_AUX_NATIVE_READ); @@ -147,15 +149,17 @@ ssize_t edp_aux_transfer(struct drm_dp_aux *drm_aux, struct drm_dp_aux_msg *msg) goto unlock_exit; DBG("wait_for_completion"); - ret = wait_for_completion_timeout(&aux->msg_comp, 300); - if (ret <= 0) { + time_left = wait_for_completion_timeout(&aux->msg_comp, + msecs_to_jiffies(300)); + if (!time_left) { /* * Clear GO and reset AUX channel * to cancel the current transaction. */ edp_write(aux->base + REG_EDP_AUX_TRANS_CTRL, 0); msm_edp_aux_ctrl(aux, 1); - pr_err("%s: aux timeout, %zd\n", __func__, ret); + pr_err("%s: aux timeout,\n", __func__); + ret = -ETIMEDOUT; goto unlock_exit; } DBG("completion"); diff --git a/kernel/drivers/gpu/drm/msm/edp/edp_ctrl.c b/kernel/drivers/gpu/drm/msm/edp/edp_ctrl.c index 29e52d7c6..81200e9be 100644 --- a/kernel/drivers/gpu/drm/msm/edp/edp_ctrl.c +++ b/kernel/drivers/gpu/drm/msm/edp/edp_ctrl.c @@ -373,7 +373,7 @@ static int edp_gpio_config(struct edp_ctrl *ctrl) struct device *dev = &ctrl->pdev->dev; int ret; - ctrl->panel_hpd_gpio = devm_gpiod_get(dev, "panel-hpd"); + ctrl->panel_hpd_gpio = devm_gpiod_get(dev, "panel-hpd", GPIOD_IN); if (IS_ERR(ctrl->panel_hpd_gpio)) { ret = PTR_ERR(ctrl->panel_hpd_gpio); ctrl->panel_hpd_gpio = NULL; @@ -381,13 +381,7 @@ static int edp_gpio_config(struct edp_ctrl *ctrl) return ret; } - ret = gpiod_direction_input(ctrl->panel_hpd_gpio); - if (ret) { - pr_err("%s: Set direction for hpd failed, %d\n", __func__, ret); - return ret; - } - - ctrl->panel_en_gpio = devm_gpiod_get(dev, "panel-en"); + ctrl->panel_en_gpio = devm_gpiod_get(dev, "panel-en", GPIOD_OUT_LOW); if (IS_ERR(ctrl->panel_en_gpio)) { ret = PTR_ERR(ctrl->panel_en_gpio); ctrl->panel_en_gpio = NULL; @@ -395,13 +389,6 @@ static int edp_gpio_config(struct edp_ctrl *ctrl) return ret; } - ret = gpiod_direction_output(ctrl->panel_en_gpio, 0); - if (ret) { - pr_err("%s: Set direction for panel_en failed, %d\n", - __func__, ret); - return ret; - } - DBG("gpio on"); return 0; @@ -1018,7 +1005,7 @@ static void edp_ctrl_off_worker(struct work_struct *work) { struct edp_ctrl *ctrl = container_of( work, struct edp_ctrl, off_work); - int ret; + unsigned long time_left; mutex_lock(&ctrl->dev_mutex); @@ -1030,11 +1017,10 @@ static void edp_ctrl_off_worker(struct work_struct *work) reinit_completion(&ctrl->idle_comp); edp_state_ctrl(ctrl, EDP_STATE_CTRL_PUSH_IDLE); - ret = wait_for_completion_timeout(&ctrl->idle_comp, + time_left = wait_for_completion_timeout(&ctrl->idle_comp, msecs_to_jiffies(500)); - if (ret <= 0) - DBG("%s: idle pattern timedout, %d\n", - __func__, ret); + if (!time_left) + DBG("%s: idle pattern timedout\n", __func__); edp_state_ctrl(ctrl, 0); |