/*
* 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 <asm/intel-mid.h>
#include <drm/drm.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include "mdfld_output.h"
#include "psb_drv.h"
#include "psb_intel_drv.h"
#include "psb_intel_reg.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__*/