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9936aeeaeb
This can show up on SPARC or other architectures that don't handle unaligned accesses. The kernel normally fixes these up, but it shouldn't have to. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96836 Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
178 lines
4.5 KiB
C
178 lines
4.5 KiB
C
/*
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* Copyright 2007-2008 Nouveau Project
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __NOUVEAU_DISPBIOS_H__
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#define __NOUVEAU_DISPBIOS_H__
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#define DCB_MAX_NUM_ENTRIES 16
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#define DCB_MAX_NUM_I2C_ENTRIES 16
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#define DCB_MAX_NUM_GPIO_ENTRIES 32
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#define DCB_MAX_NUM_CONNECTOR_ENTRIES 16
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#define DCB_LOC_ON_CHIP 0
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#define ROM16(x) get_unaligned_le16(&(x))
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#define ROM32(x) get_unaligned_le32(&(x))
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#define ROMPTR(d,x) ({ \
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struct nouveau_drm *drm = nouveau_drm((d)); \
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ROM16(x) ? &drm->vbios.data[ROM16(x)] : NULL; \
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})
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struct bit_entry {
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uint8_t id;
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uint8_t version;
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uint16_t length;
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uint16_t offset;
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uint8_t *data;
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};
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int bit_table(struct drm_device *, u8 id, struct bit_entry *);
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#include <subdev/bios/dcb.h>
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#include <subdev/bios/conn.h>
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struct dcb_table {
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uint8_t version;
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int entries;
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struct dcb_output entry[DCB_MAX_NUM_ENTRIES];
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};
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enum nouveau_or {
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DCB_OUTPUT_A = (1 << 0),
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DCB_OUTPUT_B = (1 << 1),
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DCB_OUTPUT_C = (1 << 2)
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};
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enum LVDS_script {
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/* Order *does* matter here */
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LVDS_INIT = 1,
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LVDS_RESET,
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LVDS_BACKLIGHT_ON,
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LVDS_BACKLIGHT_OFF,
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LVDS_PANEL_ON,
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LVDS_PANEL_OFF
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};
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struct nvbios {
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struct drm_device *dev;
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enum {
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NVBIOS_BMP,
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NVBIOS_BIT
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} type;
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uint16_t offset;
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uint32_t length;
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uint8_t *data;
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uint8_t chip_version;
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uint32_t dactestval;
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uint32_t tvdactestval;
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uint8_t digital_min_front_porch;
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bool fp_no_ddc;
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spinlock_t lock;
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bool execute;
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uint8_t major_version;
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uint8_t feature_byte;
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bool is_mobile;
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uint32_t fmaxvco, fminvco;
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bool old_style_init;
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uint16_t init_script_tbls_ptr;
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uint16_t extra_init_script_tbl_ptr;
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uint16_t ram_restrict_tbl_ptr;
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uint8_t ram_restrict_group_count;
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struct dcb_table dcb;
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struct {
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int crtchead;
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} state;
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struct {
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uint16_t fptablepointer; /* also used by tmds */
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uint16_t fpxlatetableptr;
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int xlatwidth;
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uint16_t lvdsmanufacturerpointer;
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uint16_t fpxlatemanufacturertableptr;
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uint16_t mode_ptr;
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uint16_t xlated_entry;
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bool power_off_for_reset;
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bool reset_after_pclk_change;
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bool dual_link;
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bool link_c_increment;
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bool if_is_24bit;
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int duallink_transition_clk;
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uint8_t strapless_is_24bit;
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uint8_t *edid;
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/* will need resetting after suspend */
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int last_script_invoc;
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bool lvds_init_run;
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} fp;
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struct {
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uint16_t output0_script_ptr;
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uint16_t output1_script_ptr;
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} tmds;
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struct {
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uint16_t mem_init_tbl_ptr;
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uint16_t sdr_seq_tbl_ptr;
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uint16_t ddr_seq_tbl_ptr;
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struct {
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uint8_t crt, tv, panel;
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} i2c_indices;
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uint16_t lvds_single_a_script_ptr;
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} legacy;
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};
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void *olddcb_table(struct drm_device *);
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void *olddcb_outp(struct drm_device *, u8 idx);
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int olddcb_outp_foreach(struct drm_device *, void *data,
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int (*)(struct drm_device *, void *, int idx, u8 *outp));
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u8 *olddcb_conntab(struct drm_device *);
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u8 *olddcb_conn(struct drm_device *, u8 idx);
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int nouveau_bios_init(struct drm_device *);
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void nouveau_bios_takedown(struct drm_device *dev);
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int nouveau_run_vbios_init(struct drm_device *);
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struct dcb_connector_table_entry *
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nouveau_bios_connector_entry(struct drm_device *, int index);
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bool nouveau_bios_fp_mode(struct drm_device *, struct drm_display_mode *);
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uint8_t *nouveau_bios_embedded_edid(struct drm_device *);
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int nouveau_bios_parse_lvds_table(struct drm_device *, int pxclk,
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bool *dl, bool *if_is_24bit);
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int run_tmds_table(struct drm_device *, struct dcb_output *,
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int head, int pxclk);
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int call_lvds_script(struct drm_device *, struct dcb_output *, int head,
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enum LVDS_script, int pxclk);
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#endif
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