/*
* 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 <drm_crtc.h>
#include <drm_mode.h>
#include <drm_edid.h>
#include <drm_dp_helper.h>
#include <drm_fixed.h>
#include <linux/i2c.h>
#include <linux/i2c-id.h>
#include <linux/i2c-algo-bit.h>
struct radeon_bo;
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,
};
enum radeon_underscan_type {
UNDERSCAN_OFF,
UNDERSCAN_ON,
UNDERSCAN_AUTO,
};
enum radeon_hpd_id {
RADEON_HPD_1 = 0,
RADEON_HPD_2,
RADEON_HPD_3,
RADEON_HPD_4,
RADEON_HPD_5,
RADEON_HPD_6,
RADEON_HPD_NONE = 0xff,
};
#define RADEON_MAX_I2C_BUS 16
/* 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 */
enum radeon_hpd_id hpd;
/* 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)
#define RADEON_PLL_IS_LCD (1 << 13)
/* 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 lcd_pll_out_min;
uint32_t lcd_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 radeon_i2c_chan {
struct i2c_adapter adapter;
struct drm_device *dev;
union {
struct i2c_algo_bit_data bit;
struct i2c_algo_dp_aux_data dp;
} algo;
struct radeon_i2c_bus_rec rec;
};
/* mostly for macs, but really any system without connector tables */
enum radeon_connector_table {
CT_NONE = 0,
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,
CT_RN50_POWER,
CT_MAC_X800,
};
enum radeon_dvo_chip {
DVO_SIL164,
DVO_SIL1178,
};
struct radeon_fbdev;
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 */
struct drm_property *tv_std_property;
/* legacy TMDS PLL detect */
struct drm_property *tmds_pll_property;
/* underscan */
struct drm_property *underscan_property;
/* hardcoded DFP edid from BIOS */
struct edid *bios_hardcoded_edid;
/* pointer to fbdev info structure */
struct radeon_fbdev *rfbdev;
};
#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;
u8 h_border;
u8 v_border;
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 {
bool linkb;
/* 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_enum;
uint32_t encoder_id;
uint32_t devices;
uint32_t active_device;
uint32_t flags;
uint32_t pixel_clock;
enum radeon_rmx_type rmx_type;
enum radeon_underscan_type underscan_type;
struct drm_display_mode native_mode;
void *enc_priv;
int audio_polling_active;
int hdmi_offset;
int hdmi_config_offset;
int hdmi_audio_workaround;
int hdmi_buffer_status;
};
struct radeon_connector_atom_dig {
uint32_t igp_lane_info;
/* 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;
};
struct radeon_hpd {
enum radeon_hpd_id hpd;
u8 plugged_state;
struct radeon_gpio_rec gpio;
};
struct radeon_router {
bool valid;
u32 router_id;
struct radeon_i2c_bus_rec i2c_info;
u8 i2c_addr;
u8 mux_type;
u8 mux_control_pin;
u8 mux_state;
};
struct radeon_connector {
struct drm_connector base;
uint32_t connector_id;
uint32_t devices;
struct radeon_i2c_chan *ddc_bus;
/* some systems have 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_router router;
struct radeon_i2c_chan *router_bus;
};
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 struct drm_connector *
radeon_get_connector_for_encoder(struct drm_encoder *encoder);
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 void radeon_i2c_init(struct radeon_device *rdev);
extern void radeon_i2c_fini(struct radeon_device *rdev);
extern void radeon_combios_i2c_init(struct radeon_device *rdev);
extern void radeon_atombios_i2c_init(struct radeon_device *rdev);
extern void radeon_i2c_add(struct radeon_device *rdev,
struct radeon_i2c_bus_rec *rec,
const char *name);
extern struct radeon_i2c_chan *radeon_i2c_lookup(struct radeon_device *rdev,
struct radeon_i2c_bus_rec *i2c_bus);
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_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 void radeon_router_select_port(struct radeon_connector *radeon_connector);
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);
void radeon_framebuffer_init(struct drm_device *dev,
struct radeon_framebuffer *rfb,
struct drm_mode_fb_cmd *mode_cmd,
struct drm_gem_object *obj);
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);
bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
void radeon_panel_mode_fixup(struct drm_encoder *encoder,
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);
/* fbdev layer */
int radeon_fbdev_init(struct radeon_device *rdev);
void radeon_fbdev_fini(struct radeon_device *rdev);
void radeon_fbdev_set_suspend(struct radeon_device *rdev, int state);
int radeon_fbdev_total_size(struct radeon_device *rdev);
bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj);
void radeon_fb_output_poll_changed(struct radeon_device *rdev);
#endif
