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/*
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "mdp5_kms.h"
#include "mdp5_cfg.h"
struct mdp5_cfg_handler {
int revision;
struct mdp5_cfg config;
};
/* mdp5_cfg must be exposed (used in mdp5.xml.h) */
const struct mdp5_cfg_hw *mdp5_cfg = NULL;
const struct mdp5_cfg_hw msm8x74_config = {
.name = "msm8x74",
.smp = {
.mmb_count = 22,
.mmb_size = 4096,
},
.ctl = {
.count = 5,
.base = { 0x00600, 0x00700, 0x00800, 0x00900, 0x00a00 },
},
.pipe_vig = {
.count = 3,
.base = { 0x01200, 0x01600, 0x01a00 },
},
.pipe_rgb = {
.count = 3,
.base = { 0x01e00, 0x02200, 0x02600 },
},
.pipe_dma = {
.count = 2,
.base = { 0x02a00, 0x02e00 },
},
.lm = {
.count = 5,
.base = { 0x03200, 0x03600, 0x03a00, 0x03e00, 0x04200 },
.nb_stages = 5,
},
.dspp = {
.count = 3,
.base = { 0x04600, 0x04a00, 0x04e00 },
},
.ad = {
.count = 2,
.base = { 0x13100, 0x13300 }, /* NOTE: no ad in v1.0 */
},
.intf = {
.count = 4,
.base = { 0x12500, 0x12700, 0x12900, 0x12b00 },
},
.max_clk = 200000000,
};
const struct mdp5_cfg_hw apq8084_config = {
.name = "apq8084",
.smp = {
.mmb_count = 44,
.mmb_size = 8192,
.reserved_state[0] = GENMASK(7, 0), /* first 8 MMBs */
.reserved[CID_RGB0] = 2,
.reserved[CID_RGB1] = 2,
.reserved[CID_RGB2] = 2,
.reserved[CID_RGB3] = 2,
},
.ctl = {
.count = 5,
.base = { 0x00600, 0x00700, 0x00800, 0x00900, 0x00a00 },
},
.pipe_vig = {
.count = 4,
.base = { 0x01200, 0x01600, 0x01a00, 0x01e00 },
},
.pipe_rgb = {
.count = 4,
.base = { 0x02200, 0x02600, 0x02a00, 0x02e00 },
},
.pipe_dma = {
.count = 2,
.base = { 0x03200, 0x03600 },
},
.lm = {
.count = 6,
.base = { 0x03a00, 0x03e00, 0x04200, 0x04600, 0x04a00, 0x04e00 },
.nb_stages = 5,
},
.dspp = {
.count = 4,
.base = { 0x05200, 0x05600, 0x05a00, 0x05e00 },
},
.ad = {
.count = 3,
.base = { 0x13500, 0x13700, 0x13900 },
},
.intf = {
.count = 5,
.base = { 0x12500, 0x12700, 0x12900, 0x12b00, 0x12d00 },
},
.max_clk = 320000000,
};
static const struct mdp5_cfg_handler cfg_handlers[] = {
{ .revision = 0, .config = { .hw = &msm8x74_config } },
{ .revision = 2, .config = { .hw = &msm8x74_config } },
{ .revision = 3, .config = { .hw = &apq8084_config } },
};
static struct mdp5_cfg_platform *mdp5_get_config(struct platform_device *dev);
const struct mdp5_cfg_hw *mdp5_cfg_get_hw_config(struct mdp5_cfg_handler *cfg_handler)
{
return cfg_handler->config.hw;
}
struct mdp5_cfg *mdp5_cfg_get_config(struct mdp5_cfg_handler *cfg_handler)
{
return &cfg_handler->config;
}
int mdp5_cfg_get_hw_rev(struct mdp5_cfg_handler *cfg_handler)
{
return cfg_handler->revision;
}
void mdp5_cfg_destroy(struct mdp5_cfg_handler *cfg_handler)
{
kfree(cfg_handler);
}
struct mdp5_cfg_handler *mdp5_cfg_init(struct mdp5_kms *mdp5_kms,
uint32_t major, uint32_t minor)
{
struct drm_device *dev = mdp5_kms->dev;
struct platform_device *pdev = dev->platformdev;
struct mdp5_cfg_handler *cfg_handler;
struct mdp5_cfg_platform *pconfig;
int i, ret = 0;
cfg_handler = kzalloc(sizeof(*cfg_handler), GFP_KERNEL);
if (unlikely(!cfg_handler)) {
ret = -ENOMEM;
goto fail;
}
if (major != 1) {
dev_err(dev->dev, "unexpected MDP major version: v%d.%d\n",
major, minor);
ret = -ENXIO;
goto fail;
}
/* only after mdp5_cfg global pointer's init can we access the hw */
for (i = 0; i < ARRAY_SIZE(cfg_handlers); i++) {
if (cfg_handlers[i].revision != minor)
continue;
mdp5_cfg = cfg_handlers[i].config.hw;
break;
}
if (unlikely(!mdp5_cfg)) {
dev_err(dev->dev, "unexpected MDP minor revision: v%d.%d\n",
major, minor);
ret = -ENXIO;
goto fail;
}
cfg_handler->revision = minor;
cfg_handler->config.hw = mdp5_cfg;
pconfig = mdp5_get_config(pdev);
memcpy(&cfg_handler->config.platform, pconfig, sizeof(*pconfig));
DBG("MDP5: %s hw config selected", mdp5_cfg->name);
return cfg_handler;
fail:
if (cfg_handler)
mdp5_cfg_destroy(cfg_handler);
return NULL;
}
static struct mdp5_cfg_platform *mdp5_get_config(struct platform_device *dev)
{
static struct mdp5_cfg_platform config = {};
#ifdef CONFIG_OF
/* TODO */
#endif
config.iommu = iommu_domain_alloc(&platform_bus_type);
return &config;
}
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