linux/drivers/gpu/drm/msm/dsi/dsi_cfg.c
AngeloGioacchino Del Regno 3f3c8aff1f drm/msm/dsi: Add configuration for 8x76
MSM8976, MSM8976 and APQ variants have DSI version 3:10040002
(DSI 6G V1.4.2), featuring two DSIs.
They need three clocks (mdp_core, iface, bus), one GDSC and
two vregs, VDDA at 1.2V and VDDIO at 1.8V.

Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2019-11-04 13:18:31 -08:00

244 lines
6.6 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*/
#include "dsi_cfg.h"
static const char * const dsi_v2_bus_clk_names[] = {
"core_mmss", "iface", "bus",
};
static const struct msm_dsi_config apq8064_dsi_cfg = {
.io_offset = 0,
.reg_cfg = {
.num = 3,
.regs = {
{"vdda", 100000, 100}, /* 1.2 V */
{"avdd", 10000, 100}, /* 3.0 V */
{"vddio", 100000, 100}, /* 1.8 V */
},
},
.bus_clk_names = dsi_v2_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_v2_bus_clk_names),
.io_start = { 0x4700000, 0x5800000 },
.num_dsi = 2,
};
static const char * const dsi_6g_bus_clk_names[] = {
"mdp_core", "iface", "bus", "core_mmss",
};
static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
.num = 4,
.regs = {
{"gdsc", -1, -1},
{"vdd", 150000, 100}, /* 3.0 V */
{"vdda", 100000, 100}, /* 1.2 V */
{"vddio", 100000, 100}, /* 1.8 V */
},
},
.bus_clk_names = dsi_6g_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
.io_start = { 0xfd922800, 0xfd922b00 },
.num_dsi = 2,
};
static const char * const dsi_8916_bus_clk_names[] = {
"mdp_core", "iface", "bus",
};
static const struct msm_dsi_config msm8916_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
.num = 3,
.regs = {
{"gdsc", -1, -1},
{"vdda", 100000, 100}, /* 1.2 V */
{"vddio", 100000, 100}, /* 1.8 V */
},
},
.bus_clk_names = dsi_8916_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_8916_bus_clk_names),
.io_start = { 0x1a98000 },
.num_dsi = 1,
};
static const char * const dsi_8976_bus_clk_names[] = {
"mdp_core", "iface", "bus",
};
static const struct msm_dsi_config msm8976_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
.num = 3,
.regs = {
{"gdsc", -1, -1},
{"vdda", 100000, 100}, /* 1.2 V */
{"vddio", 100000, 100}, /* 1.8 V */
},
},
.bus_clk_names = dsi_8976_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_8976_bus_clk_names),
.io_start = { 0x1a94000, 0x1a96000 },
.num_dsi = 2,
};
static const struct msm_dsi_config msm8994_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
.num = 7,
.regs = {
{"gdsc", -1, -1},
{"vdda", 100000, 100}, /* 1.25 V */
{"vddio", 100000, 100}, /* 1.8 V */
{"vcca", 10000, 100}, /* 1.0 V */
{"vdd", 100000, 100}, /* 1.8 V */
{"lab_reg", -1, -1},
{"ibb_reg", -1, -1},
},
},
.bus_clk_names = dsi_6g_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_6g_bus_clk_names),
.io_start = { 0xfd998000, 0xfd9a0000 },
.num_dsi = 2,
};
/*
* TODO: core_mmss_clk fails to enable for some reason, but things work fine
* without it too. Figure out why it doesn't enable and uncomment below
*/
static const char * const dsi_8996_bus_clk_names[] = {
"mdp_core", "iface", "bus", /* "core_mmss", */
};
static const struct msm_dsi_config msm8996_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
.num = 2,
.regs = {
{"vdda", 18160, 1 }, /* 1.25 V */
{"vcca", 17000, 32 }, /* 0.925 V */
{"vddio", 100000, 100 },/* 1.8 V */
},
},
.bus_clk_names = dsi_8996_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_8996_bus_clk_names),
.io_start = { 0x994000, 0x996000 },
.num_dsi = 2,
};
static const char * const dsi_msm8998_bus_clk_names[] = {
"iface", "bus", "core",
};
static const struct msm_dsi_config msm8998_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
.num = 2,
.regs = {
{"vdd", 367000, 16 }, /* 0.9 V */
{"vdda", 62800, 2 }, /* 1.2 V */
},
},
.bus_clk_names = dsi_msm8998_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_msm8998_bus_clk_names),
.io_start = { 0xc994000, 0xc996000 },
.num_dsi = 2,
};
static const char * const dsi_sdm845_bus_clk_names[] = {
"iface", "bus",
};
static const struct msm_dsi_config sdm845_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
.num = 1,
.regs = {
{"vdda", 21800, 4 }, /* 1.2 V */
},
},
.bus_clk_names = dsi_sdm845_bus_clk_names,
.num_bus_clks = ARRAY_SIZE(dsi_sdm845_bus_clk_names),
.io_start = { 0xae94000, 0xae96000 },
.num_dsi = 2,
};
static const struct msm_dsi_host_cfg_ops msm_dsi_v2_host_ops = {
.link_clk_enable = dsi_link_clk_enable_v2,
.link_clk_disable = dsi_link_clk_disable_v2,
.clk_init_ver = dsi_clk_init_v2,
.tx_buf_alloc = dsi_tx_buf_alloc_v2,
.tx_buf_get = dsi_tx_buf_get_v2,
.tx_buf_put = NULL,
.dma_base_get = dsi_dma_base_get_v2,
.calc_clk_rate = dsi_calc_clk_rate_v2,
};
static const struct msm_dsi_host_cfg_ops msm_dsi_6g_host_ops = {
.link_clk_enable = dsi_link_clk_enable_6g,
.link_clk_disable = dsi_link_clk_disable_6g,
.clk_init_ver = NULL,
.tx_buf_alloc = dsi_tx_buf_alloc_6g,
.tx_buf_get = dsi_tx_buf_get_6g,
.tx_buf_put = dsi_tx_buf_put_6g,
.dma_base_get = dsi_dma_base_get_6g,
.calc_clk_rate = dsi_calc_clk_rate_6g,
};
static const struct msm_dsi_host_cfg_ops msm_dsi_6g_v2_host_ops = {
.link_clk_enable = dsi_link_clk_enable_6g,
.link_clk_disable = dsi_link_clk_disable_6g,
.clk_init_ver = dsi_clk_init_6g_v2,
.tx_buf_alloc = dsi_tx_buf_alloc_6g,
.tx_buf_get = dsi_tx_buf_get_6g,
.tx_buf_put = dsi_tx_buf_put_6g,
.dma_base_get = dsi_dma_base_get_6g,
.calc_clk_rate = dsi_calc_clk_rate_6g,
};
static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
{MSM_DSI_VER_MAJOR_V2, MSM_DSI_V2_VER_MINOR_8064,
&apq8064_dsi_cfg, &msm_dsi_v2_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_0,
&msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1,
&msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_1_1,
&msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_2,
&msm8974_apq8084_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3,
&msm8994_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_3_1,
&msm8916_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_1,
&msm8996_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_2,
&msm8976_dsi_cfg, &msm_dsi_6g_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_0,
&msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops},
{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_1,
&sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops},
};
const struct msm_dsi_cfg_handler *msm_dsi_cfg_get(u32 major, u32 minor)
{
const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
int i;
for (i = ARRAY_SIZE(dsi_cfg_handlers) - 1; i >= 0; i--) {
if ((dsi_cfg_handlers[i].major == major) &&
(dsi_cfg_handlers[i].minor == minor)) {
cfg_hnd = &dsi_cfg_handlers[i];
break;
}
}
return cfg_hnd;
}