drivers/gpu/drm/nouveau/nouveau_bios.h - linux - Git at Google

 /*
  * Copyright 2007-2008 Nouveau Project
  *
  * 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.
  */

 #ifndef __NOUVEAU_BIOS_H__
 #define __NOUVEAU_BIOS_H__

 #include "nvreg.h"
 #include "nouveau_i2c.h"

 #define DCB_MAX_NUM_ENTRIES 16
 #define DCB_MAX_NUM_I2C_ENTRIES 16
 #define DCB_MAX_NUM_GPIO_ENTRIES 32
 #define DCB_MAX_NUM_CONNECTOR_ENTRIES 16

 #define DCB_LOC_ON_CHIP 0

 #define ROM16(x) le16_to_cpu(*(uint16_t *)&(x))
 #define ROM32(x) le32_to_cpu(*(uint32_t *)&(x))
 #define ROMPTR(bios, x) (ROM16(x) ? &(bios)->data[ROM16(x)] : NULL)

 struct bit_entry {
 	uint8_t  id;
 	uint8_t  version;
 	uint16_t length;
 	uint16_t offset;
 	uint8_t *data;
 };

 int bit_table(struct drm_device *, u8 id, struct bit_entry *);

 struct dcb_i2c_entry {
 	uint32_t entry;
 	uint8_t port_type;
 	uint8_t read, write;
 	struct nouveau_i2c_chan *chan;
 };

 enum dcb_gpio_tag {
 	DCB_GPIO_TVDAC0 = 0xc,
 	DCB_GPIO_TVDAC1 = 0x2d,
 };

 struct dcb_gpio_entry {
 	enum dcb_gpio_tag tag;
 	int line;
 	bool invert;
 	uint32_t entry;
 	uint8_t state_default;
 	uint8_t state[2];
 };

 struct dcb_gpio_table {
 	int entries;
 	struct dcb_gpio_entry entry[DCB_MAX_NUM_GPIO_ENTRIES];
 };

 enum dcb_connector_type {
 	DCB_CONNECTOR_VGA = 0x00,
 	DCB_CONNECTOR_TV_0 = 0x10,
 	DCB_CONNECTOR_TV_1 = 0x11,
 	DCB_CONNECTOR_TV_3 = 0x13,
 	DCB_CONNECTOR_DVI_I = 0x30,
 	DCB_CONNECTOR_DVI_D = 0x31,
 	DCB_CONNECTOR_LVDS = 0x40,
 	DCB_CONNECTOR_DP = 0x46,
 	DCB_CONNECTOR_eDP = 0x47,
 	DCB_CONNECTOR_HDMI_0 = 0x60,
 	DCB_CONNECTOR_HDMI_1 = 0x61,
 	DCB_CONNECTOR_NONE = 0xff
 };

 struct dcb_connector_table_entry {
 	uint8_t index;
 	uint32_t entry;
 	enum dcb_connector_type type;
 	uint8_t index2;
 	uint8_t gpio_tag;
 	void *drm;
 };

 struct dcb_connector_table {
 	int entries;
 	struct dcb_connector_table_entry entry[DCB_MAX_NUM_CONNECTOR_ENTRIES];
 };

 enum dcb_type {
 	OUTPUT_ANALOG = 0,
 	OUTPUT_TV = 1,
 	OUTPUT_TMDS = 2,
 	OUTPUT_LVDS = 3,
 	OUTPUT_DP = 6,
 	OUTPUT_EOL = 14, /* DCB 4.0+, appears to be end-of-list */
 	OUTPUT_ANY = -1
 };

 struct dcb_entry {
 	int index;	/* may not be raw dcb index if merging has happened */
 	enum dcb_type type;
 	uint8_t i2c_index;
 	uint8_t heads;
 	uint8_t connector;
 	uint8_t bus;
 	uint8_t location;
 	uint8_t or;
 	bool duallink_possible;
 	union {
 		struct sor_conf {
 			int link;
 		} sorconf;
 		struct {
 			int maxfreq;
 		} crtconf;
 		struct {
 			struct sor_conf sor;
 			bool use_straps_for_mode;
 			bool use_acpi_for_edid;
 			bool use_power_scripts;
 		} lvdsconf;
 		struct {
 			bool has_component_output;
 		} tvconf;
 		struct {
 			struct sor_conf sor;
 			int link_nr;
 			int link_bw;
 		} dpconf;
 		struct {
 			struct sor_conf sor;
 			int slave_addr;
 		} tmdsconf;
 	};
 	bool i2c_upper_default;
 };

 struct dcb_table {
 	uint8_t version;

 	int entries;
 	struct dcb_entry entry[DCB_MAX_NUM_ENTRIES];

 	uint8_t *i2c_table;
 	uint8_t i2c_default_indices;
 	struct dcb_i2c_entry i2c[DCB_MAX_NUM_I2C_ENTRIES];

 	uint16_t gpio_table_ptr;
 	struct dcb_gpio_table gpio;
 	uint16_t connector_table_ptr;
 	struct dcb_connector_table connector;
 };

 enum nouveau_or {
 	OUTPUT_A = (1 << 0),
 	OUTPUT_B = (1 << 1),
 	OUTPUT_C = (1 << 2)
 };

 enum LVDS_script {
 	/* Order *does* matter here */
 	LVDS_INIT = 1,
 	LVDS_RESET,
 	LVDS_BACKLIGHT_ON,
 	LVDS_BACKLIGHT_OFF,
 	LVDS_PANEL_ON,
 	LVDS_PANEL_OFF
 };

 /* these match types in pll limits table version 0x40,
  * nouveau uses them on all chipsets internally where a
  * specific pll needs to be referenced, but the exact
  * register isn't known.
  */
 enum pll_types {
 	PLL_CORE   = 0x01,
 	PLL_SHADER = 0x02,
 	PLL_UNK03  = 0x03,
 	PLL_MEMORY = 0x04,
 	PLL_UNK05  = 0x05,
 	PLL_UNK40  = 0x40,
 	PLL_UNK41  = 0x41,
 	PLL_UNK42  = 0x42,
 	PLL_VPLL0  = 0x80,
 	PLL_VPLL1  = 0x81,
 	PLL_MAX    = 0xff
 };

 struct pll_lims {
 	u32 reg;

 	struct {
 		int minfreq;
 		int maxfreq;
 		int min_inputfreq;
 		int max_inputfreq;

 		uint8_t min_m;
 		uint8_t max_m;
 		uint8_t min_n;
 		uint8_t max_n;
 	} vco1, vco2;

 	uint8_t max_log2p;
 	/*
 	 * for most pre nv50 cards setting a log2P of 7 (the common max_log2p
 	 * value) is no different to 6 (at least for vplls) so allowing the MNP
 	 * calc to use 7 causes the generated clock to be out by a factor of 2.
 	 * however, max_log2p cannot be fixed-up during parsing as the
 	 * unmodified max_log2p value is still needed for setting mplls, hence
 	 * an additional max_usable_log2p member
 	 */
 	uint8_t max_usable_log2p;
 	uint8_t log2p_bias;

 	uint8_t min_p;
 	uint8_t max_p;

 	int refclk;
 };

 struct nvbios {
 	struct drm_device *dev;
 	enum {
 		NVBIOS_BMP,
 		NVBIOS_BIT
 	} type;
 	uint16_t offset;

 	uint8_t chip_version;

 	uint32_t dactestval;
 	uint32_t tvdactestval;
 	uint8_t digital_min_front_porch;
 	bool fp_no_ddc;

 	spinlock_t lock;

 	uint8_t data[NV_PROM_SIZE];
 	unsigned int length;
 	bool execute;

 	uint8_t major_version;
 	uint8_t feature_byte;
 	bool is_mobile;

 	uint32_t fmaxvco, fminvco;

 	bool old_style_init;
 	uint16_t init_script_tbls_ptr;
 	uint16_t extra_init_script_tbl_ptr;
 	uint16_t macro_index_tbl_ptr;
 	uint16_t macro_tbl_ptr;
 	uint16_t condition_tbl_ptr;
 	uint16_t io_condition_tbl_ptr;
 	uint16_t io_flag_condition_tbl_ptr;
 	uint16_t init_function_tbl_ptr;

 	uint16_t pll_limit_tbl_ptr;
 	uint16_t ram_restrict_tbl_ptr;
 	uint8_t ram_restrict_group_count;

 	uint16_t some_script_ptr; /* BIT I + 14 */
 	uint16_t init96_tbl_ptr; /* BIT I + 16 */

 	struct dcb_table dcb;

 	struct {
 		int crtchead;
 	} state;

 	struct {
 		struct dcb_entry *output;
 		uint16_t script_table_ptr;
 		uint16_t dp_table_ptr;
 	} display;

 	struct {
 		uint16_t fptablepointer;	/* also used by tmds */
 		uint16_t fpxlatetableptr;
 		int xlatwidth;
 		uint16_t lvdsmanufacturerpointer;
 		uint16_t fpxlatemanufacturertableptr;
 		uint16_t mode_ptr;
 		uint16_t xlated_entry;
 		bool power_off_for_reset;
 		bool reset_after_pclk_change;
 		bool dual_link;
 		bool link_c_increment;
 		bool if_is_24bit;
 		int duallink_transition_clk;
 		uint8_t strapless_is_24bit;
 		uint8_t *edid;

 		/* will need resetting after suspend */
 		int last_script_invoc;
 		bool lvds_init_run;
 	} fp;

 	struct {
 		uint16_t output0_script_ptr;
 		uint16_t output1_script_ptr;
 	} tmds;

 	struct {
 		uint16_t mem_init_tbl_ptr;
 		uint16_t sdr_seq_tbl_ptr;
 		uint16_t ddr_seq_tbl_ptr;

 		struct {
 			uint8_t crt, tv, panel;
 		} i2c_indices;

 		uint16_t lvds_single_a_script_ptr;
 	} legacy;
 };

 #endif
	/*
	* Copyright 2007-2008 Nouveau Project
	*
	* 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.
	*/

	#ifndef __NOUVEAU_BIOS_H__
	#define __NOUVEAU_BIOS_H__

	#include "nvreg.h"
	#include "nouveau_i2c.h"

	#define DCB_MAX_NUM_ENTRIES 16
	#define DCB_MAX_NUM_I2C_ENTRIES 16
	#define DCB_MAX_NUM_GPIO_ENTRIES 32
	#define DCB_MAX_NUM_CONNECTOR_ENTRIES 16

	#define DCB_LOC_ON_CHIP 0

	#define ROM16(x) le16_to_cpu((uint16_t )&(x))
	#define ROM32(x) le32_to_cpu((uint32_t )&(x))
	#define ROMPTR(bios, x) (ROM16(x) ? &(bios)->data[ROM16(x)] : NULL)

	struct bit_entry {
	uint8_t id;
	uint8_t version;
	uint16_t length;
	uint16_t offset;
	uint8_t *data;
	};

	int bit_table(struct drm_device , u8 id, struct bit_entry );

	struct dcb_i2c_entry {
	uint32_t entry;
	uint8_t port_type;
	uint8_t read, write;
	struct nouveau_i2c_chan *chan;
	};

	enum dcb_gpio_tag {
	DCB_GPIO_TVDAC0 = 0xc,
	DCB_GPIO_TVDAC1 = 0x2d,
	};

	struct dcb_gpio_entry {
	enum dcb_gpio_tag tag;
	int line;
	bool invert;
	uint32_t entry;
	uint8_t state_default;
	uint8_t state[2];
	};

	struct dcb_gpio_table {
	int entries;
	struct dcb_gpio_entry entry[DCB_MAX_NUM_GPIO_ENTRIES];
	};

	enum dcb_connector_type {
	DCB_CONNECTOR_VGA = 0x00,
	DCB_CONNECTOR_TV_0 = 0x10,
	DCB_CONNECTOR_TV_1 = 0x11,
	DCB_CONNECTOR_TV_3 = 0x13,
	DCB_CONNECTOR_DVI_I = 0x30,
	DCB_CONNECTOR_DVI_D = 0x31,
	DCB_CONNECTOR_LVDS = 0x40,
	DCB_CONNECTOR_DP = 0x46,
	DCB_CONNECTOR_eDP = 0x47,
	DCB_CONNECTOR_HDMI_0 = 0x60,
	DCB_CONNECTOR_HDMI_1 = 0x61,
	DCB_CONNECTOR_NONE = 0xff
	};

	struct dcb_connector_table_entry {
	uint8_t index;
	uint32_t entry;
	enum dcb_connector_type type;
	uint8_t index2;
	uint8_t gpio_tag;
	void *drm;
	};

	struct dcb_connector_table {
	int entries;
	struct dcb_connector_table_entry entry[DCB_MAX_NUM_CONNECTOR_ENTRIES];
	};

	enum dcb_type {
	OUTPUT_ANALOG = 0,
	OUTPUT_TV = 1,
	OUTPUT_TMDS = 2,
	OUTPUT_LVDS = 3,
	OUTPUT_DP = 6,
	OUTPUT_EOL = 14, /* DCB 4.0+, appears to be end-of-list */
	OUTPUT_ANY = -1
	};

	struct dcb_entry {
	int index; /* may not be raw dcb index if merging has happened */
	enum dcb_type type;
	uint8_t i2c_index;
	uint8_t heads;
	uint8_t connector;
	uint8_t bus;
	uint8_t location;
	uint8_t or;
	bool duallink_possible;
	union {
	struct sor_conf {
	int link;
	} sorconf;
	struct {
	int maxfreq;
	} crtconf;
	struct {
	struct sor_conf sor;
	bool use_straps_for_mode;
	bool use_acpi_for_edid;
	bool use_power_scripts;
	} lvdsconf;
	struct {
	bool has_component_output;
	} tvconf;
	struct {
	struct sor_conf sor;
	int link_nr;
	int link_bw;
	} dpconf;
	struct {
	struct sor_conf sor;
	int slave_addr;
	} tmdsconf;
	};
	bool i2c_upper_default;
	};

	struct dcb_table {
	uint8_t version;

	int entries;
	struct dcb_entry entry[DCB_MAX_NUM_ENTRIES];

	uint8_t *i2c_table;
	uint8_t i2c_default_indices;
	struct dcb_i2c_entry i2c[DCB_MAX_NUM_I2C_ENTRIES];

	uint16_t gpio_table_ptr;
	struct dcb_gpio_table gpio;
	uint16_t connector_table_ptr;
	struct dcb_connector_table connector;
	};

	enum nouveau_or {
	OUTPUT_A = (1 << 0),
	OUTPUT_B = (1 << 1),
	OUTPUT_C = (1 << 2)
	};

	enum LVDS_script {
	/* Order does matter here */
	LVDS_INIT = 1,
	LVDS_RESET,
	LVDS_BACKLIGHT_ON,
	LVDS_BACKLIGHT_OFF,
	LVDS_PANEL_ON,
	LVDS_PANEL_OFF
	};

	/* these match types in pll limits table version 0x40,
	* nouveau uses them on all chipsets internally where a
	* specific pll needs to be referenced, but the exact
	* register isn't known.
	*/
	enum pll_types {
	PLL_CORE = 0x01,
	PLL_SHADER = 0x02,
	PLL_UNK03 = 0x03,
	PLL_MEMORY = 0x04,
	PLL_UNK05 = 0x05,
	PLL_UNK40 = 0x40,
	PLL_UNK41 = 0x41,
	PLL_UNK42 = 0x42,
	PLL_VPLL0 = 0x80,
	PLL_VPLL1 = 0x81,
	PLL_MAX = 0xff
	};

	struct pll_lims {
	u32 reg;

	struct {
	int minfreq;
	int maxfreq;
	int min_inputfreq;
	int max_inputfreq;

	uint8_t min_m;
	uint8_t max_m;
	uint8_t min_n;
	uint8_t max_n;
	} vco1, vco2;

	uint8_t max_log2p;
	/*
	* for most pre nv50 cards setting a log2P of 7 (the common max_log2p
	* value) is no different to 6 (at least for vplls) so allowing the MNP
	* calc to use 7 causes the generated clock to be out by a factor of 2.
	* however, max_log2p cannot be fixed-up during parsing as the
	* unmodified max_log2p value is still needed for setting mplls, hence
	* an additional max_usable_log2p member
	*/
	uint8_t max_usable_log2p;
	uint8_t log2p_bias;

	uint8_t min_p;
	uint8_t max_p;

	int refclk;
	};

	struct nvbios {
	struct drm_device *dev;
	enum {
	NVBIOS_BMP,
	NVBIOS_BIT
	} type;
	uint16_t offset;

	uint8_t chip_version;

	uint32_t dactestval;
	uint32_t tvdactestval;
	uint8_t digital_min_front_porch;
	bool fp_no_ddc;

	spinlock_t lock;

	uint8_t data[NV_PROM_SIZE];
	unsigned int length;
	bool execute;

	uint8_t major_version;
	uint8_t feature_byte;
	bool is_mobile;

	uint32_t fmaxvco, fminvco;

	bool old_style_init;
	uint16_t init_script_tbls_ptr;
	uint16_t extra_init_script_tbl_ptr;
	uint16_t macro_index_tbl_ptr;
	uint16_t macro_tbl_ptr;
	uint16_t condition_tbl_ptr;
	uint16_t io_condition_tbl_ptr;
	uint16_t io_flag_condition_tbl_ptr;
	uint16_t init_function_tbl_ptr;

	uint16_t pll_limit_tbl_ptr;
	uint16_t ram_restrict_tbl_ptr;
	uint8_t ram_restrict_group_count;

	uint16_t some_script_ptr; /* BIT I + 14 */
	uint16_t init96_tbl_ptr; /* BIT I + 16 */

	struct dcb_table dcb;

	struct {
	int crtchead;
	} state;

	struct {
	struct dcb_entry *output;
	uint16_t script_table_ptr;
	uint16_t dp_table_ptr;
	} display;

	struct {
	uint16_t fptablepointer; /* also used by tmds */
	uint16_t fpxlatetableptr;
	int xlatwidth;
	uint16_t lvdsmanufacturerpointer;
	uint16_t fpxlatemanufacturertableptr;
	uint16_t mode_ptr;
	uint16_t xlated_entry;
	bool power_off_for_reset;
	bool reset_after_pclk_change;
	bool dual_link;
	bool link_c_increment;
	bool if_is_24bit;
	int duallink_transition_clk;
	uint8_t strapless_is_24bit;
	uint8_t *edid;

	/* will need resetting after suspend */
	int last_script_invoc;
	bool lvds_init_run;
	} fp;

	struct {
	uint16_t output0_script_ptr;
	uint16_t output1_script_ptr;
	} tmds;

	struct {
	uint16_t mem_init_tbl_ptr;
	uint16_t sdr_seq_tbl_ptr;
	uint16_t ddr_seq_tbl_ptr;

	struct {
	uint8_t crt, tv, panel;
	} i2c_indices;

	uint16_t lvds_single_a_script_ptr;
	} legacy;
	};

	#endif