linux_dsm_epyc7002/drivers/gpu/drm/nouveau/nouveau_bios.h
Ben Skeggs 4489b9835a drm/nouveau/bios: rework vbios shadowing
Refactored to allow shadowing of VBIOS images longer than 64KiB, which
allows us to pass the VBIOS checksum test on certain boards.

There's also a workaround for reading the PROM VBIOS on some chipsets.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2012-03-13 17:15:01 +10:00

311 lines
6.9 KiB
C

/*
* 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(*(u16 *)&(x))
#define ROM32(x) le32_to_cpu(*(u32 *)&(x))
#define ROM48(x) ({ u8 *p = &(x); (u64)ROM16(p[4]) << 32 | ROM32(p[0]); })
#define ROM64(x) le64_to_cpu(*(u64 *)&(x))
#define ROMPTR(d,x) ({ \
struct drm_nouveau_private *dev_priv = (d)->dev_private; \
ROM16(x) ? &dev_priv->vbios.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 *);
enum dcb_gpio_tag {
DCB_GPIO_PANEL_POWER = 0x01,
DCB_GPIO_TVDAC0 = 0x0c,
DCB_GPIO_TVDAC1 = 0x2d,
DCB_GPIO_PWM_FAN = 0x09,
DCB_GPIO_FAN_SENSE = 0x3d,
DCB_GPIO_UNUSED = 0xff
};
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_LVDS_SPWG = 0x41,
DCB_CONNECTOR_DP = 0x46,
DCB_CONNECTOR_eDP = 0x47,
DCB_CONNECTOR_HDMI_0 = 0x60,
DCB_CONNECTOR_HDMI_1 = 0x61,
DCB_CONNECTOR_DMS59_DP0 = 0x64,
DCB_CONNECTOR_DMS59_DP1 = 0x65,
DCB_CONNECTOR_NONE = 0xff
};
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_UNUSED = 15,
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];
};
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_VDEC = 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;
uint32_t length;
uint8_t *data;
uint8_t chip_version;
uint32_t dactestval;
uint32_t tvdactestval;
uint8_t digital_min_front_porch;
bool fp_no_ddc;
spinlock_t lock;
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;
int crtc;
uint16_t script_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;
};
void *dcb_table(struct drm_device *);
void *dcb_outp(struct drm_device *, u8 idx);
int dcb_outp_foreach(struct drm_device *, void *data,
int (*)(struct drm_device *, void *, int idx, u8 *outp));
u8 *dcb_conntab(struct drm_device *);
u8 *dcb_conn(struct drm_device *, u8 idx);
#endif