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/*

 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and

 *                VA Linux Systems Inc., Fremont, California.

 * Copyright 2008 Red Hat Inc.

 *

 * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.

 *

 * Original Authors:

 *   Kevin E. Martin, Rickard E. Faith, Alan Hourihane

 *

 * Kernel port Author: Dave Airlie

 */

#ifndef RADEON_MODE_H

#define RADEON_MODE_H

#include 

#include 

#include 

#include 

#include 

#include 

#include 

#include "radeon_fixed.h"

struct radeon_device;

#define to_radeon_crtc(x) container_of(x, struct radeon_crtc, base)

#define to_radeon_connector(x) container_of(x, struct radeon_connector, base)

#define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base)

#define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base)

enum radeon_rmx_type {

	RMX_OFF,

	RMX_FULL,

	RMX_CENTER,

	RMX_ASPECT

};

enum radeon_tv_std {

	TV_STD_NTSC,

	TV_STD_PAL,

	TV_STD_PAL_M,

	TV_STD_PAL_60,

	TV_STD_NTSC_J,

	TV_STD_SCART_PAL,

	TV_STD_SECAM,

	TV_STD_PAL_CN,

	TV_STD_PAL_N,

};

/* radeon gpio-based i2c

 * 1. "mask" reg and bits

 *    grabs the gpio pins for software use

 *    0=not held  1=held

 * 2. "a" reg and bits

 *    output pin value

 *    0=low 1=high

 * 3. "en" reg and bits

 *    sets the pin direction

 *    0=input 1=output

 * 4. "y" reg and bits

 *    input pin value

 *    0=low 1=high

 */

struct radeon_i2c_bus_rec {

	bool valid;

	/* id used by atom */

	uint8_t i2c_id;

	/* id used by atom */

	uint8_t hpd_id;

	/* can be used with hw i2c engine */

	bool hw_capable;

	/* uses multi-media i2c engine */

	bool mm_i2c;

	/* regs and bits */

	uint32_t mask_clk_reg;

	uint32_t mask_data_reg;

	uint32_t a_clk_reg;

	uint32_t a_data_reg;

	uint32_t en_clk_reg;

	uint32_t en_data_reg;

	uint32_t y_clk_reg;

	uint32_t y_data_reg;

	uint32_t mask_clk_mask;

	uint32_t mask_data_mask;

	uint32_t a_clk_mask;

	uint32_t a_data_mask;

	uint32_t en_clk_mask;

	uint32_t en_data_mask;

	uint32_t y_clk_mask;

	uint32_t y_data_mask;

};

struct radeon_tmds_pll {

    uint32_t freq;

    uint32_t value;

};

#define RADEON_MAX_BIOS_CONNECTOR 16

/* pll flags */

#define RADEON_PLL_USE_BIOS_DIVS        (1 << 0)

#define RADEON_PLL_NO_ODD_POST_DIV      (1 << 1)

#define RADEON_PLL_USE_REF_DIV          (1 << 2)

#define RADEON_PLL_LEGACY               (1 << 3)

#define RADEON_PLL_PREFER_LOW_REF_DIV   (1 << 4)

#define RADEON_PLL_PREFER_HIGH_REF_DIV  (1 << 5)

#define RADEON_PLL_PREFER_LOW_FB_DIV    (1 << 6)

#define RADEON_PLL_PREFER_HIGH_FB_DIV   (1 << 7)

#define RADEON_PLL_PREFER_LOW_POST_DIV  (1 << 8)

#define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)

#define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 10)

#define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)

#define RADEON_PLL_USE_POST_DIV         (1 << 12)

/* pll algo */

enum radeon_pll_algo {

	PLL_ALGO_LEGACY,

	PLL_ALGO_NEW

};

struct radeon_pll {

	/* reference frequency */

	uint32_t reference_freq;

	/* fixed dividers */

	uint32_t reference_div;

	uint32_t post_div;

	/* pll in/out limits */

	uint32_t pll_in_min;

	uint32_t pll_in_max;

	uint32_t pll_out_min;

	uint32_t pll_out_max;

	uint32_t best_vco;

	/* divider limits */

	uint32_t min_ref_div;

	uint32_t max_ref_div;

	uint32_t min_post_div;

	uint32_t max_post_div;

	uint32_t min_feedback_div;

	uint32_t max_feedback_div;

	uint32_t min_frac_feedback_div;

	uint32_t max_frac_feedback_div;

	/* flags for the current clock */

	uint32_t flags;

	/* pll id */

	uint32_t id;

	/* pll algo */

	enum radeon_pll_algo algo;

};

struct i2c_algo_radeon_data {

	struct i2c_adapter bit_adapter;

	struct i2c_algo_bit_data bit_data;

};

struct radeon_i2c_chan {

	struct i2c_adapter adapter;

	struct drm_device *dev;

	union {

		struct i2c_algo_dp_aux_data dp;

		struct i2c_algo_radeon_data radeon;

	} algo;

	struct radeon_i2c_bus_rec rec;

};

/* mostly for macs, but really any system without connector tables */

enum radeon_connector_table {

	CT_NONE,

	CT_GENERIC,

	CT_IBOOK,

	CT_POWERBOOK_EXTERNAL,

	CT_POWERBOOK_INTERNAL,

	CT_POWERBOOK_VGA,

	CT_MINI_EXTERNAL,

	CT_MINI_INTERNAL,

	CT_IMAC_G5_ISIGHT,

	CT_EMAC,

};

enum radeon_dvo_chip {

	DVO_SIL164,

	DVO_SIL1178,

};

struct radeon_mode_info {

	struct atom_context *atom_context;

	struct card_info *atom_card_info;

	enum radeon_connector_table connector_table;

	bool mode_config_initialized;

	struct radeon_crtc *crtcs[6];

	/* DVI-I properties */

	struct drm_property *coherent_mode_property;

	/* DAC enable load detect */

	struct drm_property *load_detect_property;

	/* TV standard load detect */

	struct drm_property *tv_std_property;

	/* legacy TMDS PLL detect */

	struct drm_property *tmds_pll_property;

	/* hardcoded DFP edid from BIOS */

	struct edid *bios_hardcoded_edid;

};

#define MAX_H_CODE_TIMING_LEN 32

#define MAX_V_CODE_TIMING_LEN 32

/* need to store these as reading

   back code tables is excessive */

struct radeon_tv_regs {

	uint32_t tv_uv_adr;

	uint32_t timing_cntl;

	uint32_t hrestart;

	uint32_t vrestart;

	uint32_t frestart;

	uint16_t h_code_timing[MAX_H_CODE_TIMING_LEN];

	uint16_t v_code_timing[MAX_V_CODE_TIMING_LEN];

};

struct radeon_crtc {

	struct drm_crtc base;

	int crtc_id;

	u16 lut_r[256], lut_g[256], lut_b[256];

	bool enabled;

	bool can_tile;

	uint32_t crtc_offset;

	struct drm_gem_object *cursor_bo;

	uint64_t cursor_addr;

	int cursor_width;

	int cursor_height;

	uint32_t legacy_display_base_addr;

	uint32_t legacy_cursor_offset;

	enum radeon_rmx_type rmx_type;

	fixed20_12 vsc;

	fixed20_12 hsc;

	struct drm_display_mode native_mode;

	int pll_id;

};

struct radeon_encoder_primary_dac {

	/* legacy primary dac */

	uint32_t ps2_pdac_adj;

};

struct radeon_encoder_lvds {

	/* legacy lvds */

	uint16_t panel_vcc_delay;

	uint8_t  panel_pwr_delay;

	uint8_t  panel_digon_delay;

	uint8_t  panel_blon_delay;

	uint16_t panel_ref_divider;

	uint8_t  panel_post_divider;

	uint16_t panel_fb_divider;

	bool     use_bios_dividers;

	uint32_t lvds_gen_cntl;

	/* panel mode */

	struct drm_display_mode native_mode;

};

struct radeon_encoder_tv_dac {

	/* legacy tv dac */

	uint32_t ps2_tvdac_adj;

	uint32_t ntsc_tvdac_adj;

	uint32_t pal_tvdac_adj;

	int               h_pos;

	int               v_pos;

	int               h_size;

	int               supported_tv_stds;

	bool              tv_on;

	enum radeon_tv_std tv_std;

	struct radeon_tv_regs tv;

};

struct radeon_encoder_int_tmds {

	/* legacy int tmds */

	struct radeon_tmds_pll tmds_pll[4];

};

struct radeon_encoder_ext_tmds {

	/* tmds over dvo */

	struct radeon_i2c_chan *i2c_bus;

	uint8_t slave_addr;

	enum radeon_dvo_chip dvo_chip;

};

/* spread spectrum */

struct radeon_atom_ss {

	uint16_t percentage;

	uint8_t type;

	uint8_t step;

	uint8_t delay;

	uint8_t range;

	uint8_t refdiv;

};

struct radeon_encoder_atom_dig {

	/* atom dig */

	bool coherent_mode;

	int dig_encoder; /* -1 disabled, 0 DIGA, 1 DIGB */

	/* atom lvds */

	uint32_t lvds_misc;

	uint16_t panel_pwr_delay;

	enum radeon_pll_algo pll_algo;

	struct radeon_atom_ss *ss;

	/* panel mode */

	struct drm_display_mode native_mode;

};

struct radeon_encoder_atom_dac {

	enum radeon_tv_std tv_std;

};

struct radeon_encoder {

    struct drm_encoder base;

	uint32_t encoder_id;

	uint32_t devices;

	uint32_t active_device;

	uint32_t flags;

	uint32_t pixel_clock;

	enum radeon_rmx_type rmx_type;

	struct drm_display_mode native_mode;

	void *enc_priv;

	int hdmi_offset;

	int hdmi_audio_workaround;

	int hdmi_buffer_status;

};

struct radeon_connector_atom_dig {

	uint32_t igp_lane_info;

	bool linkb;

	/* displayport */

	struct radeon_i2c_chan *dp_i2c_bus;

	u8 dpcd[8];

	u8 dp_sink_type;

	int dp_clock;

	int dp_lane_count;

};

struct radeon_gpio_rec {

	bool valid;

	u8 id;

	u32 reg;

	u32 mask;

};

enum radeon_hpd_id {

	RADEON_HPD_NONE = 0,

	RADEON_HPD_1,

	RADEON_HPD_2,

	RADEON_HPD_3,

	RADEON_HPD_4,

	RADEON_HPD_5,

	RADEON_HPD_6,

};

struct radeon_hpd {

	enum radeon_hpd_id hpd;

	u8 plugged_state;

	struct radeon_gpio_rec gpio;

};

struct radeon_connector {

    struct drm_connector base;

	uint32_t connector_id;

	uint32_t devices;

	struct radeon_i2c_chan *ddc_bus;

	/* some systems have a an hdmi and vga port with a shared ddc line */

	bool shared_ddc;

	bool use_digital;

	/* we need to mind the EDID between detect

	   and get modes due to analog/digital/tvencoder */

	struct edid *edid;

	void *con_priv;

	bool dac_load_detect;

	uint16_t connector_object_id;

	struct radeon_hpd hpd;

};

struct radeon_framebuffer {

   struct drm_framebuffer base;

   struct drm_gem_object *obj;

};

extern enum radeon_tv_std

radeon_combios_get_tv_info(struct radeon_device *rdev);

extern enum radeon_tv_std

radeon_atombios_get_tv_info(struct radeon_device *rdev);

extern void radeon_connector_hotplug(struct drm_connector *connector);

extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector);

extern int radeon_dp_mode_valid_helper(struct radeon_connector *radeon_connector,

				       struct drm_display_mode *mode);

extern void radeon_dp_set_link_config(struct drm_connector *connector,

				      struct drm_display_mode *mode);

extern void dp_link_train(struct drm_encoder *encoder,

			  struct drm_connector *connector);

extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);

extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);

extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);

extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,

					   int action, uint8_t lane_num,

					   uint8_t lane_set);

extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,

				uint8_t write_byte, uint8_t *read_byte);

extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,

						    struct radeon_i2c_bus_rec *rec,

						    const char *name);

extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,

						 struct radeon_i2c_bus_rec *rec,

						 const char *name);

extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);

extern void radeon_i2c_destroy_dp(struct radeon_i2c_chan *i2c);

extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,

				   u8 slave_addr,

				   u8 addr,

				   u8 *val);

extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,

				   u8 slave_addr,

				   u8 addr,

				   u8 val);

extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);

extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);

extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);

extern void radeon_compute_pll(struct radeon_pll *pll,

			       uint64_t freq,

			       uint32_t *dot_clock_p,

			       uint32_t *fb_div_p,

			       uint32_t *frac_fb_div_p,

			       uint32_t *ref_div_p,

			       uint32_t *post_div_p);

extern void radeon_setup_encoder_clones(struct drm_device *dev);

struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);

struct drm_encoder *radeon_encoder_legacy_primary_dac_add(struct drm_device *dev, int bios_index, int with_tv);

struct drm_encoder *radeon_encoder_legacy_tv_dac_add(struct drm_device *dev, int bios_index, int with_tv);

struct drm_encoder *radeon_encoder_legacy_tmds_int_add(struct drm_device *dev, int bios_index);

struct drm_encoder *radeon_encoder_legacy_tmds_ext_add(struct drm_device *dev, int bios_index);

extern void atombios_external_tmds_setup(struct drm_encoder *encoder, int action);

extern void atombios_digital_setup(struct drm_encoder *encoder, int action);

extern int atombios_get_encoder_mode(struct drm_encoder *encoder);

extern void radeon_encoder_set_active_device(struct drm_encoder *encoder);

extern void radeon_crtc_load_lut(struct drm_crtc *crtc);

extern int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,

                  struct drm_framebuffer *old_fb);

extern int atombios_crtc_mode_set(struct drm_crtc *crtc,

				   struct drm_display_mode *mode,

				   struct drm_display_mode *adjusted_mode,

				   int x, int y,

				   struct drm_framebuffer *old_fb);

extern void atombios_crtc_dpms(struct drm_crtc *crtc, int mode);

extern int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,

				 struct drm_framebuffer *old_fb);

extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,

				  struct drm_file *file_priv,

				  uint32_t handle,

				  uint32_t width,

				  uint32_t height);

extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,

				   int x, int y);

extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);

extern struct edid *

radeon_combios_get_hardcoded_edid(struct radeon_device *rdev);

extern bool radeon_atom_get_clock_info(struct drm_device *dev);

extern bool radeon_combios_get_clock_info(struct drm_device *dev);

extern struct radeon_encoder_atom_dig *

radeon_atombios_get_lvds_info(struct radeon_encoder *encoder);

extern bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,

				   struct radeon_encoder_int_tmds *tmds);

extern bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,

					   struct radeon_encoder_int_tmds *tmds);

extern bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,

					    struct radeon_encoder_int_tmds *tmds);

extern bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,

							 struct radeon_encoder_ext_tmds *tmds);

extern bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,

						       struct radeon_encoder_ext_tmds *tmds);

extern struct radeon_encoder_primary_dac *

radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder);

extern struct radeon_encoder_tv_dac *

radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder);

extern struct radeon_encoder_lvds *

radeon_combios_get_lvds_info(struct radeon_encoder *encoder);

extern void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder);

extern struct radeon_encoder_tv_dac *

radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder);

extern struct radeon_encoder_primary_dac *

radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder);

extern bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder);

extern void radeon_external_tmds_setup(struct drm_encoder *encoder);

extern void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock);

extern void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev);

extern void radeon_atom_output_lock(struct drm_encoder *encoder, bool lock);

extern void radeon_atom_initialize_bios_scratch_regs(struct drm_device *dev);

extern void radeon_save_bios_scratch_regs(struct radeon_device *rdev);

extern void radeon_restore_bios_scratch_regs(struct radeon_device *rdev);

extern void

radeon_atombios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);

extern void

radeon_atombios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);

extern void

radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc);

extern void

radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on);

extern void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,

				     u16 blue, int regno);

extern void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,

				     u16 *blue, int regno);

struct drm_framebuffer *radeon_framebuffer_create(struct drm_device *dev,

						  struct drm_mode_fb_cmd *mode_cmd,

						  struct drm_gem_object *obj);

int radeonfb_probe(struct drm_device *dev);

int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);

bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev);

bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev);

void radeon_atombios_init_crtc(struct drm_device *dev,

			       struct radeon_crtc *radeon_crtc);

void radeon_legacy_init_crtc(struct drm_device *dev,

			     struct radeon_crtc *radeon_crtc);

void radeon_get_clock_info(struct drm_device *dev);

extern bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev);

extern bool radeon_get_atom_connector_info_from_supported_devices_table(struct drm_device *dev);

void radeon_enc_destroy(struct drm_encoder *encoder);

void radeon_copy_fb(struct drm_device *dev, struct drm_gem_object *dst_obj);

void radeon_combios_asic_init(struct drm_device *dev);

extern int radeon_static_clocks_init(struct drm_device *dev);

bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,

					struct drm_display_mode *mode,

					struct drm_display_mode *adjusted_mode);

void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);

/* legacy tv */

void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder,

				      uint32_t *h_total_disp, uint32_t *h_sync_strt_wid,

				      uint32_t *v_total_disp, uint32_t *v_sync_strt_wid);

void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder,

				  uint32_t *htotal_cntl, uint32_t *ppll_ref_div,

				  uint32_t *ppll_div_3, uint32_t *pixclks_cntl);

void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder,

				  uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div,

				  uint32_t *p2pll_div_0, uint32_t *pixclks_cntl);

void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,

			       struct drm_display_mode *mode,

			       struct drm_display_mode *adjusted_mode);

#endif