forked from KolibriOS/kolibrios
632 lines
21 KiB
C
632 lines
21 KiB
C
/*
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*
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* Copyright (c) 2012 Gilles Dartiguelongue, Thomas Richter
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*
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* All Rights Reserved.
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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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "dvo.h"
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#include "i915_reg.h"
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#include "i915_drv.h"
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#define NS2501_VID 0x1305
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#define NS2501_DID 0x6726
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#define NS2501_VID_LO 0x00
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#define NS2501_VID_HI 0x01
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#define NS2501_DID_LO 0x02
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#define NS2501_DID_HI 0x03
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#define NS2501_REV 0x04
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#define NS2501_RSVD 0x05
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#define NS2501_FREQ_LO 0x06
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#define NS2501_FREQ_HI 0x07
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#define NS2501_REG8 0x08
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#define NS2501_8_VEN (1<<5)
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#define NS2501_8_HEN (1<<4)
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#define NS2501_8_DSEL (1<<3)
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#define NS2501_8_BPAS (1<<2)
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#define NS2501_8_RSVD (1<<1)
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#define NS2501_8_PD (1<<0)
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#define NS2501_REG9 0x09
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#define NS2501_9_VLOW (1<<7)
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#define NS2501_9_MSEL_MASK (0x7<<4)
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#define NS2501_9_TSEL (1<<3)
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#define NS2501_9_RSEN (1<<2)
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#define NS2501_9_RSVD (1<<1)
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#define NS2501_9_MDI (1<<0)
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#define NS2501_REGC 0x0c
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enum {
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MODE_640x480,
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MODE_800x600,
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MODE_1024x768,
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};
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struct ns2501_reg {
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uint8_t offset;
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uint8_t value;
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};
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/*
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* Magic values based on what the BIOS on
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* Fujitsu-Siemens Lifebook S6010 programs (1024x768 panel).
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*/
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static const struct ns2501_reg regs_1024x768[][86] = {
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[MODE_640x480] = {
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[0] = { .offset = 0x0a, .value = 0x81, },
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[1] = { .offset = 0x18, .value = 0x07, },
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[2] = { .offset = 0x19, .value = 0x00, },
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[3] = { .offset = 0x1a, .value = 0x00, },
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[4] = { .offset = 0x1b, .value = 0x11, },
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[5] = { .offset = 0x1c, .value = 0x54, },
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[6] = { .offset = 0x1d, .value = 0x03, },
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[7] = { .offset = 0x1e, .value = 0x02, },
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[8] = { .offset = 0xf3, .value = 0x90, },
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[9] = { .offset = 0xf9, .value = 0x00, },
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[10] = { .offset = 0xc1, .value = 0x90, },
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[11] = { .offset = 0xc2, .value = 0x00, },
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[12] = { .offset = 0xc3, .value = 0x0f, },
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[13] = { .offset = 0xc4, .value = 0x03, },
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[14] = { .offset = 0xc5, .value = 0x16, },
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[15] = { .offset = 0xc6, .value = 0x00, },
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[16] = { .offset = 0xc7, .value = 0x02, },
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[17] = { .offset = 0xc8, .value = 0x02, },
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[18] = { .offset = 0xf4, .value = 0x00, },
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[19] = { .offset = 0x80, .value = 0xff, },
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[20] = { .offset = 0x81, .value = 0x07, },
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[21] = { .offset = 0x82, .value = 0x3d, },
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[22] = { .offset = 0x83, .value = 0x05, },
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[23] = { .offset = 0x94, .value = 0x00, },
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[24] = { .offset = 0x95, .value = 0x00, },
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[25] = { .offset = 0x96, .value = 0x05, },
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[26] = { .offset = 0x97, .value = 0x00, },
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[27] = { .offset = 0x9a, .value = 0x88, },
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[28] = { .offset = 0x9b, .value = 0x00, },
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[29] = { .offset = 0x98, .value = 0x00, },
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[30] = { .offset = 0x99, .value = 0x00, },
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[31] = { .offset = 0xf7, .value = 0x88, },
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[32] = { .offset = 0xf8, .value = 0x0a, },
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[33] = { .offset = 0x9c, .value = 0x24, },
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[34] = { .offset = 0x9d, .value = 0x00, },
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[35] = { .offset = 0x9e, .value = 0x25, },
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[36] = { .offset = 0x9f, .value = 0x03, },
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[37] = { .offset = 0xa0, .value = 0x28, },
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[38] = { .offset = 0xa1, .value = 0x01, },
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[39] = { .offset = 0xa2, .value = 0x28, },
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[40] = { .offset = 0xa3, .value = 0x05, },
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[41] = { .offset = 0xb6, .value = 0x09, },
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[42] = { .offset = 0xb8, .value = 0x00, },
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[43] = { .offset = 0xb9, .value = 0xa0, },
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[44] = { .offset = 0xba, .value = 0x00, },
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[45] = { .offset = 0xbb, .value = 0x20, },
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[46] = { .offset = 0x10, .value = 0x00, },
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[47] = { .offset = 0x11, .value = 0xa0, },
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[48] = { .offset = 0x12, .value = 0x02, },
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[49] = { .offset = 0x20, .value = 0x00, },
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[50] = { .offset = 0x22, .value = 0x00, },
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[51] = { .offset = 0x23, .value = 0x00, },
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[52] = { .offset = 0x24, .value = 0x00, },
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[53] = { .offset = 0x25, .value = 0x00, },
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[54] = { .offset = 0x8c, .value = 0x10, },
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[55] = { .offset = 0x8d, .value = 0x02, },
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[56] = { .offset = 0x8e, .value = 0x10, },
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[57] = { .offset = 0x8f, .value = 0x00, },
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[58] = { .offset = 0x90, .value = 0xff, },
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[59] = { .offset = 0x91, .value = 0x07, },
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[60] = { .offset = 0x92, .value = 0xa0, },
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[61] = { .offset = 0x93, .value = 0x02, },
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[62] = { .offset = 0xa5, .value = 0x00, },
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[63] = { .offset = 0xa6, .value = 0x00, },
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[64] = { .offset = 0xa7, .value = 0x00, },
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[65] = { .offset = 0xa8, .value = 0x00, },
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[66] = { .offset = 0xa9, .value = 0x04, },
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[67] = { .offset = 0xaa, .value = 0x70, },
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[68] = { .offset = 0xab, .value = 0x4f, },
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[69] = { .offset = 0xac, .value = 0x00, },
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[70] = { .offset = 0xa4, .value = 0x84, },
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[71] = { .offset = 0x7e, .value = 0x18, },
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[72] = { .offset = 0x84, .value = 0x00, },
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[73] = { .offset = 0x85, .value = 0x00, },
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[74] = { .offset = 0x86, .value = 0x00, },
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[75] = { .offset = 0x87, .value = 0x00, },
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[76] = { .offset = 0x88, .value = 0x00, },
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[77] = { .offset = 0x89, .value = 0x00, },
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[78] = { .offset = 0x8a, .value = 0x00, },
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[79] = { .offset = 0x8b, .value = 0x00, },
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[80] = { .offset = 0x26, .value = 0x00, },
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[81] = { .offset = 0x27, .value = 0x00, },
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[82] = { .offset = 0xad, .value = 0x00, },
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[83] = { .offset = 0x08, .value = 0x30, }, /* 0x31 */
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[84] = { .offset = 0x41, .value = 0x00, },
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[85] = { .offset = 0xc0, .value = 0x05, },
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},
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[MODE_800x600] = {
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[0] = { .offset = 0x0a, .value = 0x81, },
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[1] = { .offset = 0x18, .value = 0x07, },
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[2] = { .offset = 0x19, .value = 0x00, },
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[3] = { .offset = 0x1a, .value = 0x00, },
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[4] = { .offset = 0x1b, .value = 0x19, },
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[5] = { .offset = 0x1c, .value = 0x64, },
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[6] = { .offset = 0x1d, .value = 0x02, },
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[7] = { .offset = 0x1e, .value = 0x02, },
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[8] = { .offset = 0xf3, .value = 0x90, },
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[9] = { .offset = 0xf9, .value = 0x00, },
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[10] = { .offset = 0xc1, .value = 0xd7, },
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[11] = { .offset = 0xc2, .value = 0x00, },
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[12] = { .offset = 0xc3, .value = 0xf8, },
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[13] = { .offset = 0xc4, .value = 0x03, },
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[14] = { .offset = 0xc5, .value = 0x1a, },
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[15] = { .offset = 0xc6, .value = 0x00, },
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[16] = { .offset = 0xc7, .value = 0x73, },
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[17] = { .offset = 0xc8, .value = 0x02, },
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[18] = { .offset = 0xf4, .value = 0x00, },
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[19] = { .offset = 0x80, .value = 0x27, },
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[20] = { .offset = 0x81, .value = 0x03, },
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[21] = { .offset = 0x82, .value = 0x41, },
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[22] = { .offset = 0x83, .value = 0x05, },
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[23] = { .offset = 0x94, .value = 0x00, },
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[24] = { .offset = 0x95, .value = 0x00, },
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[25] = { .offset = 0x96, .value = 0x05, },
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[26] = { .offset = 0x97, .value = 0x00, },
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[27] = { .offset = 0x9a, .value = 0x88, },
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[28] = { .offset = 0x9b, .value = 0x00, },
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[29] = { .offset = 0x98, .value = 0x00, },
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[30] = { .offset = 0x99, .value = 0x00, },
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[31] = { .offset = 0xf7, .value = 0x88, },
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[32] = { .offset = 0xf8, .value = 0x06, },
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[33] = { .offset = 0x9c, .value = 0x23, },
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[34] = { .offset = 0x9d, .value = 0x00, },
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[35] = { .offset = 0x9e, .value = 0x25, },
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[36] = { .offset = 0x9f, .value = 0x03, },
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[37] = { .offset = 0xa0, .value = 0x28, },
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[38] = { .offset = 0xa1, .value = 0x01, },
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[39] = { .offset = 0xa2, .value = 0x28, },
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[40] = { .offset = 0xa3, .value = 0x05, },
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[41] = { .offset = 0xb6, .value = 0x09, },
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[42] = { .offset = 0xb8, .value = 0x30, },
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[43] = { .offset = 0xb9, .value = 0xc8, },
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[44] = { .offset = 0xba, .value = 0x00, },
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[45] = { .offset = 0xbb, .value = 0x20, },
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[46] = { .offset = 0x10, .value = 0x20, },
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[47] = { .offset = 0x11, .value = 0xc8, },
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[48] = { .offset = 0x12, .value = 0x02, },
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[49] = { .offset = 0x20, .value = 0x00, },
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[50] = { .offset = 0x22, .value = 0x00, },
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[51] = { .offset = 0x23, .value = 0x00, },
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[52] = { .offset = 0x24, .value = 0x00, },
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[53] = { .offset = 0x25, .value = 0x00, },
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[54] = { .offset = 0x8c, .value = 0x10, },
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[55] = { .offset = 0x8d, .value = 0x02, },
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[56] = { .offset = 0x8e, .value = 0x04, },
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[57] = { .offset = 0x8f, .value = 0x00, },
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[58] = { .offset = 0x90, .value = 0xff, },
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[59] = { .offset = 0x91, .value = 0x07, },
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[60] = { .offset = 0x92, .value = 0xa0, },
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[61] = { .offset = 0x93, .value = 0x02, },
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[62] = { .offset = 0xa5, .value = 0x00, },
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[63] = { .offset = 0xa6, .value = 0x00, },
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[64] = { .offset = 0xa7, .value = 0x00, },
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[65] = { .offset = 0xa8, .value = 0x00, },
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[66] = { .offset = 0xa9, .value = 0x83, },
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[67] = { .offset = 0xaa, .value = 0x40, },
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[68] = { .offset = 0xab, .value = 0x32, },
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[69] = { .offset = 0xac, .value = 0x00, },
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[70] = { .offset = 0xa4, .value = 0x80, },
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[71] = { .offset = 0x7e, .value = 0x18, },
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[72] = { .offset = 0x84, .value = 0x00, },
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[73] = { .offset = 0x85, .value = 0x00, },
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[74] = { .offset = 0x86, .value = 0x00, },
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[75] = { .offset = 0x87, .value = 0x00, },
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[76] = { .offset = 0x88, .value = 0x00, },
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[77] = { .offset = 0x89, .value = 0x00, },
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[78] = { .offset = 0x8a, .value = 0x00, },
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[79] = { .offset = 0x8b, .value = 0x00, },
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[80] = { .offset = 0x26, .value = 0x00, },
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[81] = { .offset = 0x27, .value = 0x00, },
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[82] = { .offset = 0xad, .value = 0x00, },
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[83] = { .offset = 0x08, .value = 0x30, }, /* 0x31 */
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[84] = { .offset = 0x41, .value = 0x00, },
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[85] = { .offset = 0xc0, .value = 0x07, },
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},
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[MODE_1024x768] = {
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[0] = { .offset = 0x0a, .value = 0x81, },
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[1] = { .offset = 0x18, .value = 0x07, },
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[2] = { .offset = 0x19, .value = 0x00, },
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[3] = { .offset = 0x1a, .value = 0x00, },
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[4] = { .offset = 0x1b, .value = 0x11, },
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[5] = { .offset = 0x1c, .value = 0x54, },
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[6] = { .offset = 0x1d, .value = 0x03, },
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[7] = { .offset = 0x1e, .value = 0x02, },
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[8] = { .offset = 0xf3, .value = 0x90, },
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[9] = { .offset = 0xf9, .value = 0x00, },
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[10] = { .offset = 0xc1, .value = 0x90, },
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[11] = { .offset = 0xc2, .value = 0x00, },
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[12] = { .offset = 0xc3, .value = 0x0f, },
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[13] = { .offset = 0xc4, .value = 0x03, },
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[14] = { .offset = 0xc5, .value = 0x16, },
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[15] = { .offset = 0xc6, .value = 0x00, },
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[16] = { .offset = 0xc7, .value = 0x02, },
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[17] = { .offset = 0xc8, .value = 0x02, },
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[18] = { .offset = 0xf4, .value = 0x00, },
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[19] = { .offset = 0x80, .value = 0xff, },
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[20] = { .offset = 0x81, .value = 0x07, },
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[21] = { .offset = 0x82, .value = 0x3d, },
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[22] = { .offset = 0x83, .value = 0x05, },
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[23] = { .offset = 0x94, .value = 0x00, },
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[24] = { .offset = 0x95, .value = 0x00, },
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[25] = { .offset = 0x96, .value = 0x05, },
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[26] = { .offset = 0x97, .value = 0x00, },
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[27] = { .offset = 0x9a, .value = 0x88, },
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[28] = { .offset = 0x9b, .value = 0x00, },
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[29] = { .offset = 0x98, .value = 0x00, },
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[30] = { .offset = 0x99, .value = 0x00, },
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[31] = { .offset = 0xf7, .value = 0x88, },
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[32] = { .offset = 0xf8, .value = 0x0a, },
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[33] = { .offset = 0x9c, .value = 0x24, },
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[34] = { .offset = 0x9d, .value = 0x00, },
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[35] = { .offset = 0x9e, .value = 0x25, },
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[36] = { .offset = 0x9f, .value = 0x03, },
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[37] = { .offset = 0xa0, .value = 0x28, },
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[38] = { .offset = 0xa1, .value = 0x01, },
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[39] = { .offset = 0xa2, .value = 0x28, },
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[40] = { .offset = 0xa3, .value = 0x05, },
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[41] = { .offset = 0xb6, .value = 0x09, },
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[42] = { .offset = 0xb8, .value = 0x00, },
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[43] = { .offset = 0xb9, .value = 0xa0, },
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[44] = { .offset = 0xba, .value = 0x00, },
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[45] = { .offset = 0xbb, .value = 0x20, },
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[46] = { .offset = 0x10, .value = 0x00, },
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[47] = { .offset = 0x11, .value = 0xa0, },
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[48] = { .offset = 0x12, .value = 0x02, },
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[49] = { .offset = 0x20, .value = 0x00, },
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[50] = { .offset = 0x22, .value = 0x00, },
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[51] = { .offset = 0x23, .value = 0x00, },
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[52] = { .offset = 0x24, .value = 0x00, },
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[53] = { .offset = 0x25, .value = 0x00, },
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[54] = { .offset = 0x8c, .value = 0x10, },
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[55] = { .offset = 0x8d, .value = 0x02, },
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[56] = { .offset = 0x8e, .value = 0x10, },
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[57] = { .offset = 0x8f, .value = 0x00, },
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[58] = { .offset = 0x90, .value = 0xff, },
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[59] = { .offset = 0x91, .value = 0x07, },
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[60] = { .offset = 0x92, .value = 0xa0, },
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[61] = { .offset = 0x93, .value = 0x02, },
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[62] = { .offset = 0xa5, .value = 0x00, },
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[63] = { .offset = 0xa6, .value = 0x00, },
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[64] = { .offset = 0xa7, .value = 0x00, },
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[65] = { .offset = 0xa8, .value = 0x00, },
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[66] = { .offset = 0xa9, .value = 0x04, },
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[67] = { .offset = 0xaa, .value = 0x70, },
|
|
[68] = { .offset = 0xab, .value = 0x4f, },
|
|
[69] = { .offset = 0xac, .value = 0x00, },
|
|
[70] = { .offset = 0xa4, .value = 0x84, },
|
|
[71] = { .offset = 0x7e, .value = 0x18, },
|
|
[72] = { .offset = 0x84, .value = 0x00, },
|
|
[73] = { .offset = 0x85, .value = 0x00, },
|
|
[74] = { .offset = 0x86, .value = 0x00, },
|
|
[75] = { .offset = 0x87, .value = 0x00, },
|
|
[76] = { .offset = 0x88, .value = 0x00, },
|
|
[77] = { .offset = 0x89, .value = 0x00, },
|
|
[78] = { .offset = 0x8a, .value = 0x00, },
|
|
[79] = { .offset = 0x8b, .value = 0x00, },
|
|
[80] = { .offset = 0x26, .value = 0x00, },
|
|
[81] = { .offset = 0x27, .value = 0x00, },
|
|
[82] = { .offset = 0xad, .value = 0x00, },
|
|
[83] = { .offset = 0x08, .value = 0x34, }, /* 0x35 */
|
|
[84] = { .offset = 0x41, .value = 0x00, },
|
|
[85] = { .offset = 0xc0, .value = 0x01, },
|
|
},
|
|
};
|
|
|
|
static const struct ns2501_reg regs_init[] = {
|
|
[0] = { .offset = 0x35, .value = 0xff, },
|
|
[1] = { .offset = 0x34, .value = 0x00, },
|
|
[2] = { .offset = 0x08, .value = 0x30, },
|
|
};
|
|
|
|
struct ns2501_priv {
|
|
bool quiet;
|
|
const struct ns2501_reg *regs;
|
|
};
|
|
|
|
#define NSPTR(d) ((NS2501Ptr)(d->DriverPrivate.ptr))
|
|
|
|
/*
|
|
* For reasons unclear to me, the ns2501 at least on the Fujitsu/Siemens
|
|
* laptops does not react on the i2c bus unless
|
|
* both the PLL is running and the display is configured in its native
|
|
* resolution.
|
|
* This function forces the DVO on, and stores the registers it touches.
|
|
* Afterwards, registers are restored to regular values.
|
|
*
|
|
* This is pretty much a hack, though it works.
|
|
* Without that, ns2501_readb and ns2501_writeb fail
|
|
* when switching the resolution.
|
|
*/
|
|
|
|
/*
|
|
** Read a register from the ns2501.
|
|
** Returns true if successful, false otherwise.
|
|
** If it returns false, it might be wise to enable the
|
|
** DVO with the above function.
|
|
*/
|
|
static bool ns2501_readb(struct intel_dvo_device *dvo, int addr, uint8_t * ch)
|
|
{
|
|
struct ns2501_priv *ns = dvo->dev_priv;
|
|
struct i2c_adapter *adapter = dvo->i2c_bus;
|
|
u8 out_buf[2];
|
|
u8 in_buf[2];
|
|
|
|
struct i2c_msg msgs[] = {
|
|
{
|
|
.addr = dvo->slave_addr,
|
|
.flags = 0,
|
|
.len = 1,
|
|
.buf = out_buf,
|
|
},
|
|
{
|
|
.addr = dvo->slave_addr,
|
|
.flags = I2C_M_RD,
|
|
.len = 1,
|
|
.buf = in_buf,
|
|
}
|
|
};
|
|
|
|
out_buf[0] = addr;
|
|
out_buf[1] = 0;
|
|
|
|
if (i2c_transfer(adapter, msgs, 2) == 2) {
|
|
*ch = in_buf[0];
|
|
return true;
|
|
}
|
|
|
|
if (!ns->quiet) {
|
|
DRM_DEBUG_KMS
|
|
("Unable to read register 0x%02x from %s:0x%02x.\n", addr,
|
|
adapter->name, dvo->slave_addr);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
** Write a register to the ns2501.
|
|
** Returns true if successful, false otherwise.
|
|
** If it returns false, it might be wise to enable the
|
|
** DVO with the above function.
|
|
*/
|
|
static bool ns2501_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
|
|
{
|
|
struct ns2501_priv *ns = dvo->dev_priv;
|
|
struct i2c_adapter *adapter = dvo->i2c_bus;
|
|
uint8_t out_buf[2];
|
|
|
|
struct i2c_msg msg = {
|
|
.addr = dvo->slave_addr,
|
|
.flags = 0,
|
|
.len = 2,
|
|
.buf = out_buf,
|
|
};
|
|
|
|
out_buf[0] = addr;
|
|
out_buf[1] = ch;
|
|
|
|
if (i2c_transfer(adapter, &msg, 1) == 1) {
|
|
return true;
|
|
}
|
|
|
|
if (!ns->quiet) {
|
|
DRM_DEBUG_KMS("Unable to write register 0x%02x to %s:%d\n",
|
|
addr, adapter->name, dvo->slave_addr);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/* National Semiconductor 2501 driver for chip on i2c bus
|
|
* scan for the chip on the bus.
|
|
* Hope the VBIOS initialized the PLL correctly so we can
|
|
* talk to it. If not, it will not be seen and not detected.
|
|
* Bummer!
|
|
*/
|
|
static bool ns2501_init(struct intel_dvo_device *dvo,
|
|
struct i2c_adapter *adapter)
|
|
{
|
|
/* this will detect the NS2501 chip on the specified i2c bus */
|
|
struct ns2501_priv *ns;
|
|
unsigned char ch;
|
|
|
|
ns = kzalloc(sizeof(struct ns2501_priv), GFP_KERNEL);
|
|
if (ns == NULL)
|
|
return false;
|
|
|
|
dvo->i2c_bus = adapter;
|
|
dvo->dev_priv = ns;
|
|
ns->quiet = true;
|
|
|
|
if (!ns2501_readb(dvo, NS2501_VID_LO, &ch))
|
|
goto out;
|
|
|
|
if (ch != (NS2501_VID & 0xff)) {
|
|
DRM_DEBUG_KMS("ns2501 not detected got %d: from %s Slave %d.\n",
|
|
ch, adapter->name, dvo->slave_addr);
|
|
goto out;
|
|
}
|
|
|
|
if (!ns2501_readb(dvo, NS2501_DID_LO, &ch))
|
|
goto out;
|
|
|
|
if (ch != (NS2501_DID & 0xff)) {
|
|
DRM_DEBUG_KMS("ns2501 not detected got %d: from %s Slave %d.\n",
|
|
ch, adapter->name, dvo->slave_addr);
|
|
goto out;
|
|
}
|
|
ns->quiet = false;
|
|
|
|
DRM_DEBUG_KMS("init ns2501 dvo controller successfully!\n");
|
|
|
|
return true;
|
|
|
|
out:
|
|
kfree(ns);
|
|
return false;
|
|
}
|
|
|
|
static enum drm_connector_status ns2501_detect(struct intel_dvo_device *dvo)
|
|
{
|
|
/*
|
|
* This is a Laptop display, it doesn't have hotplugging.
|
|
* Even if not, the detection bit of the 2501 is unreliable as
|
|
* it only works for some display types.
|
|
* It is even more unreliable as the PLL must be active for
|
|
* allowing reading from the chiop.
|
|
*/
|
|
return connector_status_connected;
|
|
}
|
|
|
|
static enum drm_mode_status ns2501_mode_valid(struct intel_dvo_device *dvo,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
DRM_DEBUG_KMS
|
|
("is mode valid (hdisplay=%d,htotal=%d,vdisplay=%d,vtotal=%d)\n",
|
|
mode->hdisplay, mode->htotal, mode->vdisplay, mode->vtotal);
|
|
|
|
/*
|
|
* Currently, these are all the modes I have data from.
|
|
* More might exist. Unclear how to find the native resolution
|
|
* of the panel in here so we could always accept it
|
|
* by disabling the scaler.
|
|
*/
|
|
if ((mode->hdisplay == 640 && mode->vdisplay == 480 && mode->clock == 25175) ||
|
|
(mode->hdisplay == 800 && mode->vdisplay == 600 && mode->clock == 40000) ||
|
|
(mode->hdisplay == 1024 && mode->vdisplay == 768 && mode->clock == 65000)) {
|
|
return MODE_OK;
|
|
} else {
|
|
return MODE_ONE_SIZE; /* Is this a reasonable error? */
|
|
}
|
|
}
|
|
|
|
static void ns2501_mode_set(struct intel_dvo_device *dvo,
|
|
struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct ns2501_priv *ns = (struct ns2501_priv *)(dvo->dev_priv);
|
|
int mode_idx, i;
|
|
|
|
DRM_DEBUG_KMS
|
|
("set mode (hdisplay=%d,htotal=%d,vdisplay=%d,vtotal=%d).\n",
|
|
mode->hdisplay, mode->htotal, mode->vdisplay, mode->vtotal);
|
|
|
|
if (mode->hdisplay == 640 && mode->vdisplay == 480)
|
|
mode_idx = MODE_640x480;
|
|
else if (mode->hdisplay == 800 && mode->vdisplay == 600)
|
|
mode_idx = MODE_800x600;
|
|
else if (mode->hdisplay == 1024 && mode->vdisplay == 768)
|
|
mode_idx = MODE_1024x768;
|
|
else
|
|
return;
|
|
|
|
/* Hopefully doing it every time won't hurt... */
|
|
for (i = 0; i < ARRAY_SIZE(regs_init); i++)
|
|
ns2501_writeb(dvo, regs_init[i].offset, regs_init[i].value);
|
|
|
|
ns->regs = regs_1024x768[mode_idx];
|
|
|
|
for (i = 0; i < 84; i++)
|
|
ns2501_writeb(dvo, ns->regs[i].offset, ns->regs[i].value);
|
|
}
|
|
|
|
/* set the NS2501 power state */
|
|
static bool ns2501_get_hw_state(struct intel_dvo_device *dvo)
|
|
{
|
|
unsigned char ch;
|
|
|
|
if (!ns2501_readb(dvo, NS2501_REG8, &ch))
|
|
return false;
|
|
|
|
return ch & NS2501_8_PD;
|
|
}
|
|
|
|
/* set the NS2501 power state */
|
|
static void ns2501_dpms(struct intel_dvo_device *dvo, bool enable)
|
|
{
|
|
struct ns2501_priv *ns = (struct ns2501_priv *)(dvo->dev_priv);
|
|
|
|
DRM_DEBUG_KMS("Trying set the dpms of the DVO to %i\n", enable);
|
|
|
|
if (enable) {
|
|
if (WARN_ON(ns->regs[83].offset != 0x08 ||
|
|
ns->regs[84].offset != 0x41 ||
|
|
ns->regs[85].offset != 0xc0))
|
|
return;
|
|
|
|
ns2501_writeb(dvo, 0xc0, ns->regs[85].value | 0x08);
|
|
|
|
ns2501_writeb(dvo, 0x41, ns->regs[84].value);
|
|
|
|
ns2501_writeb(dvo, 0x34, 0x01);
|
|
msleep(15);
|
|
|
|
ns2501_writeb(dvo, 0x08, 0x35);
|
|
if (!(ns->regs[83].value & NS2501_8_BPAS))
|
|
ns2501_writeb(dvo, 0x08, 0x31);
|
|
msleep(200);
|
|
|
|
ns2501_writeb(dvo, 0x34, 0x03);
|
|
|
|
ns2501_writeb(dvo, 0xc0, ns->regs[85].value);
|
|
} else {
|
|
ns2501_writeb(dvo, 0x34, 0x01);
|
|
msleep(200);
|
|
|
|
ns2501_writeb(dvo, 0x08, 0x34);
|
|
msleep(15);
|
|
|
|
ns2501_writeb(dvo, 0x34, 0x00);
|
|
}
|
|
}
|
|
|
|
static void ns2501_destroy(struct intel_dvo_device *dvo)
|
|
{
|
|
struct ns2501_priv *ns = dvo->dev_priv;
|
|
|
|
if (ns) {
|
|
kfree(ns);
|
|
dvo->dev_priv = NULL;
|
|
}
|
|
}
|
|
|
|
struct intel_dvo_dev_ops ns2501_ops = {
|
|
.init = ns2501_init,
|
|
.detect = ns2501_detect,
|
|
.mode_valid = ns2501_mode_valid,
|
|
.mode_set = ns2501_mode_set,
|
|
.dpms = ns2501_dpms,
|
|
.get_hw_state = ns2501_get_hw_state,
|
|
.destroy = ns2501_destroy,
|
|
};
|