/* * Copyright © 2010 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * jim liu <jim.liu@intel.com> * Jackie Li<yaodong.li@intel.com> */ #ifndef __MDFLD_DSI_OUTPUT_H__ #define __MDFLD_DSI_OUTPUT_H__ #include <linux/backlight.h> #include <drm/drmP.h> #include <drm/drm.h> #include <drm/drm_crtc.h> #include <drm/drm_edid.h> #include "psb_drv.h" #include "psb_intel_drv.h" #include "psb_intel_reg.h" #include "mdfld_output.h" #include <asm/intel-mid.h> #define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end)) #define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end)) #define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end)) #define FLD_MOD(orig, val, start, end) \ (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end)) #define REG_FLD_MOD(reg, val, start, end) \ REG_WRITE(reg, FLD_MOD(REG_READ(reg), val, start, end)) static inline int REGISTER_FLD_WAIT(struct drm_device *dev, u32 reg, u32 val, int start, int end) { int t = 100000; while (FLD_GET(REG_READ(reg), start, end) != val) { if (--t == 0) return 1; } return 0; } #define REG_FLD_WAIT(reg, val, start, end) \ REGISTER_FLD_WAIT(dev, reg, val, start, end) #define REG_BIT_WAIT(reg, val, bitnum) \ REGISTER_FLD_WAIT(dev, reg, val, bitnum, bitnum) #define MDFLD_DSI_BRIGHTNESS_MAX_LEVEL 100 #ifdef DEBUG #define CHECK_PIPE(pipe) ({ \ const typeof(pipe) __pipe = (pipe); \ BUG_ON(__pipe != 0 && __pipe != 2); \ __pipe; }) #else #define CHECK_PIPE(pipe) (pipe) #endif /* * Actual MIPIA->MIPIC reg offset is 0x800, value 0x400 is valid for 0 and 2 */ #define REG_OFFSET(pipe) (CHECK_PIPE(pipe) * 0x400) /* mdfld DSI controller registers */ #define MIPI_DEVICE_READY_REG(pipe) (0xb000 + REG_OFFSET(pipe)) #define MIPI_INTR_STAT_REG(pipe) (0xb004 + REG_OFFSET(pipe)) #define MIPI_INTR_EN_REG(pipe) (0xb008 + REG_OFFSET(pipe)) #define MIPI_DSI_FUNC_PRG_REG(pipe) (0xb00c + REG_OFFSET(pipe)) #define MIPI_HS_TX_TIMEOUT_REG(pipe) (0xb010 + REG_OFFSET(pipe)) #define MIPI_LP_RX_TIMEOUT_REG(pipe) (0xb014 + REG_OFFSET(pipe)) #define MIPI_TURN_AROUND_TIMEOUT_REG(pipe) (0xb018 + REG_OFFSET(pipe)) #define MIPI_DEVICE_RESET_TIMER_REG(pipe) (0xb01c + REG_OFFSET(pipe)) #define MIPI_DPI_RESOLUTION_REG(pipe) (0xb020 + REG_OFFSET(pipe)) #define MIPI_DBI_FIFO_THROTTLE_REG(pipe) (0xb024 + REG_OFFSET(pipe)) #define MIPI_HSYNC_COUNT_REG(pipe) (0xb028 + REG_OFFSET(pipe)) #define MIPI_HBP_COUNT_REG(pipe) (0xb02c + REG_OFFSET(pipe)) #define MIPI_HFP_COUNT_REG(pipe) (0xb030 + REG_OFFSET(pipe)) #define MIPI_HACTIVE_COUNT_REG(pipe) (0xb034 + REG_OFFSET(pipe)) #define MIPI_VSYNC_COUNT_REG(pipe) (0xb038 + REG_OFFSET(pipe)) #define MIPI_VBP_COUNT_REG(pipe) (0xb03c + REG_OFFSET(pipe)) #define MIPI_VFP_COUNT_REG(pipe) (0xb040 + REG_OFFSET(pipe)) #define MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe) (0xb044 + REG_OFFSET(pipe)) #define MIPI_DPI_CONTROL_REG(pipe) (0xb048 + REG_OFFSET(pipe)) #define MIPI_DPI_DATA_REG(pipe) (0xb04c + REG_OFFSET(pipe)) #define MIPI_INIT_COUNT_REG(pipe) (0xb050 + REG_OFFSET(pipe)) #define MIPI_MAX_RETURN_PACK_SIZE_REG(pipe) (0xb054 + REG_OFFSET(pipe)) #define MIPI_VIDEO_MODE_FORMAT_REG(pipe) (0xb058 + REG_OFFSET(pipe)) #define MIPI_EOT_DISABLE_REG(pipe) (0xb05c + REG_OFFSET(pipe)) #define MIPI_LP_BYTECLK_REG(pipe) (0xb060 + REG_OFFSET(pipe)) #define MIPI_LP_GEN_DATA_REG(pipe) (0xb064 + REG_OFFSET(pipe)) #define MIPI_HS_GEN_DATA_REG(pipe) (0xb068 + REG_OFFSET(pipe)) #define MIPI_LP_GEN_CTRL_REG(pipe) (0xb06c + REG_OFFSET(pipe)) #define MIPI_HS_GEN_CTRL_REG(pipe) (0xb070 + REG_OFFSET(pipe)) #define MIPI_GEN_FIFO_STAT_REG(pipe) (0xb074 + REG_OFFSET(pipe)) #define MIPI_HS_LS_DBI_ENABLE_REG(pipe) (0xb078 + REG_OFFSET(pipe)) #define MIPI_DPHY_PARAM_REG(pipe) (0xb080 + REG_OFFSET(pipe)) #define MIPI_DBI_BW_CTRL_REG(pipe) (0xb084 + REG_OFFSET(pipe)) #define MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe) (0xb088 + REG_OFFSET(pipe)) #define MIPI_CTRL_REG(pipe) (0xb104 + REG_OFFSET(pipe)) #define MIPI_DATA_ADD_REG(pipe) (0xb108 + REG_OFFSET(pipe)) #define MIPI_DATA_LEN_REG(pipe) (0xb10c + REG_OFFSET(pipe)) #define MIPI_CMD_ADD_REG(pipe) (0xb110 + REG_OFFSET(pipe)) #define MIPI_CMD_LEN_REG(pipe) (0xb114 + REG_OFFSET(pipe)) /* non-uniform reg offset */ #define MIPI_PORT_CONTROL(pipe) (CHECK_PIPE(pipe) ? MIPI_C : MIPI) #define DSI_DEVICE_READY (0x1) #define DSI_POWER_STATE_ULPS_ENTER (0x2 << 1) #define DSI_POWER_STATE_ULPS_EXIT (0x1 << 1) #define DSI_POWER_STATE_ULPS_OFFSET (0x1) #define DSI_ONE_DATA_LANE (0x1) #define DSI_TWO_DATA_LANE (0x2) #define DSI_THREE_DATA_LANE (0X3) #define DSI_FOUR_DATA_LANE (0x4) #define DSI_DPI_VIRT_CHANNEL_OFFSET (0x3) #define DSI_DBI_VIRT_CHANNEL_OFFSET (0x5) #define DSI_DPI_COLOR_FORMAT_RGB565 (0x01 << 7) #define DSI_DPI_COLOR_FORMAT_RGB666 (0x02 << 7) #define DSI_DPI_COLOR_FORMAT_RGB666_UNPACK (0x03 << 7) #define DSI_DPI_COLOR_FORMAT_RGB888 (0x04 << 7) #define DSI_DBI_COLOR_FORMAT_OPTION2 (0x05 << 13) #define DSI_INTR_STATE_RXSOTERROR BIT(0) #define DSI_INTR_STATE_SPL_PKG_SENT BIT(30) #define DSI_INTR_STATE_TE BIT(31) #define DSI_HS_TX_TIMEOUT_MASK (0xffffff) #define DSI_LP_RX_TIMEOUT_MASK (0xffffff) #define DSI_TURN_AROUND_TIMEOUT_MASK (0x3f) #define DSI_RESET_TIMER_MASK (0xffff) #define DSI_DBI_FIFO_WM_HALF (0x0) #define DSI_DBI_FIFO_WM_QUARTER (0x1) #define DSI_DBI_FIFO_WM_LOW (0x2) #define DSI_DPI_TIMING_MASK (0xffff) #define DSI_INIT_TIMER_MASK (0xffff) #define DSI_DBI_RETURN_PACK_SIZE_MASK (0x3ff) #define DSI_LP_BYTECLK_MASK (0x0ffff) #define DSI_HS_CTRL_GEN_SHORT_W0 (0x03) #define DSI_HS_CTRL_GEN_SHORT_W1 (0x13) #define DSI_HS_CTRL_GEN_SHORT_W2 (0x23) #define DSI_HS_CTRL_GEN_R0 (0x04) #define DSI_HS_CTRL_GEN_R1 (0x14) #define DSI_HS_CTRL_GEN_R2 (0x24) #define DSI_HS_CTRL_GEN_LONG_W (0x29) #define DSI_HS_CTRL_MCS_SHORT_W0 (0x05) #define DSI_HS_CTRL_MCS_SHORT_W1 (0x15) #define DSI_HS_CTRL_MCS_R0 (0x06) #define DSI_HS_CTRL_MCS_LONG_W (0x39) #define DSI_HS_CTRL_VC_OFFSET (0x06) #define DSI_HS_CTRL_WC_OFFSET (0x08) #define DSI_FIFO_GEN_HS_DATA_FULL BIT(0) #define DSI_FIFO_GEN_HS_DATA_HALF_EMPTY BIT(1) #define DSI_FIFO_GEN_HS_DATA_EMPTY BIT(2) #define DSI_FIFO_GEN_LP_DATA_FULL BIT(8) #define DSI_FIFO_GEN_LP_DATA_HALF_EMPTY BIT(9) #define DSI_FIFO_GEN_LP_DATA_EMPTY BIT(10) #define DSI_FIFO_GEN_HS_CTRL_FULL BIT(16) #define DSI_FIFO_GEN_HS_CTRL_HALF_EMPTY BIT(17) #define DSI_FIFO_GEN_HS_CTRL_EMPTY BIT(18) #define DSI_FIFO_GEN_LP_CTRL_FULL BIT(24) #define DSI_FIFO_GEN_LP_CTRL_HALF_EMPTY BIT(25) #define DSI_FIFO_GEN_LP_CTRL_EMPTY BIT(26) #define DSI_FIFO_DBI_EMPTY BIT(27) #define DSI_FIFO_DPI_EMPTY BIT(28) #define DSI_DBI_HS_LP_SWITCH_MASK (0x1) #define DSI_HS_LP_SWITCH_COUNTER_OFFSET (0x0) #define DSI_LP_HS_SWITCH_COUNTER_OFFSET (0x16) #define DSI_DPI_CTRL_HS_SHUTDOWN (0x00000001) #define DSI_DPI_CTRL_HS_TURN_ON (0x00000002) /*dsi power modes*/ #define DSI_POWER_MODE_DISPLAY_ON BIT(2) #define DSI_POWER_MODE_NORMAL_ON BIT(3) #define DSI_POWER_MODE_SLEEP_OUT BIT(4) #define DSI_POWER_MODE_PARTIAL_ON BIT(5) #define DSI_POWER_MODE_IDLE_ON BIT(6) enum { MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE = 1, MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS = 2, MDFLD_DSI_VIDEO_BURST_MODE = 3, }; #define DSI_DPI_COMPLETE_LAST_LINE BIT(2) #define DSI_DPI_DISABLE_BTA BIT(3) struct mdfld_dsi_connector { struct gma_connector base; int pipe; void *private; void *pkg_sender; /* Connection status */ enum drm_connector_status status; }; struct mdfld_dsi_encoder { struct gma_encoder base; void *private; }; /* * DSI config, consists of one DSI connector, two DSI encoders. * DRM will pick up on DSI encoder basing on differents configs. */ struct mdfld_dsi_config { struct drm_device *dev; struct drm_display_mode *fixed_mode; struct drm_display_mode *mode; struct mdfld_dsi_connector *connector; struct mdfld_dsi_encoder *encoder; int changed; int bpp; int lane_count; /*Virtual channel number for this encoder*/ int channel_num; /*video mode configure*/ int video_mode; int dvr_ic_inited; }; static inline struct mdfld_dsi_connector *mdfld_dsi_connector( struct drm_connector *connector) { struct gma_connector *gma_connector; gma_connector = to_gma_connector(connector); return container_of(gma_connector, struct mdfld_dsi_connector, base); } static inline struct mdfld_dsi_encoder *mdfld_dsi_encoder( struct drm_encoder *encoder) { struct gma_encoder *gma_encoder; gma_encoder = to_gma_encoder(encoder); return container_of(gma_encoder, struct mdfld_dsi_encoder, base); } static inline struct mdfld_dsi_config * mdfld_dsi_get_config(struct mdfld_dsi_connector *connector) { if (!connector) return NULL; return (struct mdfld_dsi_config *)connector->private; } static inline void *mdfld_dsi_get_pkg_sender(struct mdfld_dsi_config *config) { struct mdfld_dsi_connector *dsi_connector; if (!config) return NULL; dsi_connector = config->connector; if (!dsi_connector) return NULL; return dsi_connector->pkg_sender; } static inline struct mdfld_dsi_config * mdfld_dsi_encoder_get_config(struct mdfld_dsi_encoder *encoder) { if (!encoder) return NULL; return (struct mdfld_dsi_config *)encoder->private; } static inline struct mdfld_dsi_connector * mdfld_dsi_encoder_get_connector(struct mdfld_dsi_encoder *encoder) { struct mdfld_dsi_config *config; if (!encoder) return NULL; config = mdfld_dsi_encoder_get_config(encoder); if (!config) return NULL; return config->connector; } static inline void *mdfld_dsi_encoder_get_pkg_sender( struct mdfld_dsi_encoder *encoder) { struct mdfld_dsi_config *dsi_config; dsi_config = mdfld_dsi_encoder_get_config(encoder); if (!dsi_config) return NULL; return mdfld_dsi_get_pkg_sender(dsi_config); } static inline int mdfld_dsi_encoder_get_pipe(struct mdfld_dsi_encoder *encoder) { struct mdfld_dsi_connector *connector; if (!encoder) return -1; connector = mdfld_dsi_encoder_get_connector(encoder); if (!connector) return -1; return connector->pipe; } /* Export functions */ extern void mdfld_dsi_gen_fifo_ready(struct drm_device *dev, u32 gen_fifo_stat_reg, u32 fifo_stat); extern void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe); extern void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level); extern void mdfld_dsi_output_init(struct drm_device *dev, int pipe, const struct panel_funcs *p_vid_funcs); extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe); extern int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config, u32 *mode, bool hs); extern int mdfld_dsi_panel_reset(int pipe); #endif /*__MDFLD_DSI_OUTPUT_H__*/