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ara-mdk / kernel / panda / c5566818f0f3072f8907c4b755901323cb2c081c / . / drivers / video / hdmi_ti_4xxx_ip.c
blob: 52f689c7b92811b6421facb0844c5bbedea5c69d [file] [log] [blame]
/*
* hdmi_ti_4xxx_ip.c
*
* HDMI TI81xx, TI38xx, TI OMAP4 etc IP driver Library
* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
* Authors: Yong Zhi
* Mythri pk <mythripk@ti.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License 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.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/seq_file.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/string.h>
#include <linux/omapfb.h>
#include "hdmi_ti_4xxx_ip.h"
static inline void hdmi_write_reg(void __iomem *base_addr,
const struct hdmi_reg idx, u32 val)
{
__raw_writel(val, base_addr + idx.idx);
}
static inline u32 hdmi_read_reg(void __iomem *base_addr,
const struct hdmi_reg idx)
{
return __raw_readl(base_addr + idx.idx);
}
static inline void __iomem *hdmi_wp_base(struct hdmi_ip_data *ip_data)
{
return (void __iomem *) (ip_data->base_wp);
}
static inline void __iomem *hdmi_phy_base(struct hdmi_ip_data *ip_data)
{
return (void __iomem *) (ip_data->base_wp + ip_data->hdmi_phy_offset);
}
static inline void __iomem *hdmi_pll_base(struct hdmi_ip_data *ip_data)
{
return (void __iomem *) (ip_data->base_wp + ip_data->hdmi_pll_offset);
}
static inline void __iomem *hdmi_av_base(struct hdmi_ip_data *ip_data)
{
return (void __iomem *)
(ip_data->base_wp + ip_data->hdmi_core_av_offset);
}
static inline void __iomem *hdmi_core_sys_base(struct hdmi_ip_data *ip_data)
{
return (void __iomem *)
(ip_data->base_wp + ip_data->hdmi_core_sys_offset);
}
static inline int hdmi_wait_for_bit_change(void __iomem *base_addr,
const struct hdmi_reg idx,
int b2, int b1, u32 val)
{
u32 t = 0;
while (val != REG_GET(base_addr, idx, b2, b1)) {
udelay(1);
if (t++ > 10000)
return !val;
}
return val;
}
static int hdmi_pll_init(struct hdmi_ip_data *ip_data,
enum hdmi_clk_refsel refsel, int dcofreq,
struct hdmi_pll_info *fmt, u16 sd)
{
u32 r;
/* PLL start always use manual mode */
REG_FLD_MOD(hdmi_pll_base(ip_data), PLLCTRL_PLL_CONTROL, 0x0, 0, 0);
r = hdmi_read_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG1);
r = FLD_MOD(r, fmt->regm, 20, 9); /* CFG1_PLL_REGM */
r = FLD_MOD(r, fmt->regn, 8, 1); /* CFG1_PLL_REGN */
hdmi_write_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG1, r);
r = hdmi_read_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG2);
r = FLD_MOD(r, 0x0, 12, 12); /* PLL_HIGHFREQ divide by 2 */
r = FLD_MOD(r, 0x1, 13, 13); /* PLL_REFEN */
r = FLD_MOD(r, 0x0, 14, 14); /* PHY_CLKINEN de-assert during locking */
if (dcofreq) {
/* divider programming for frequency beyond 1000Mhz */
REG_FLD_MOD(hdmi_pll_base(ip_data), PLLCTRL_CFG3, sd, 17, 10);
r = FLD_MOD(r, 0x4, 3, 1); /* 1000MHz and 2000MHz */
} else {
r = FLD_MOD(r, 0x2, 3, 1); /* 500MHz and 1000MHz */
}
hdmi_write_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG2, r);
r = hdmi_read_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG4);
r = FLD_MOD(r, fmt->regm2, 24, 18);
r = FLD_MOD(r, fmt->regmf, 17, 0);
hdmi_write_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG4, r);
/* go now */
REG_FLD_MOD(hdmi_pll_base(ip_data), PLLCTRL_PLL_GO, 0x1, 0, 0);
/* wait for bit change */
if (hdmi_wait_for_bit_change(hdmi_pll_base(ip_data), PLLCTRL_PLL_GO,
0, 0, 1) != 1) {
pr_err("PLL GO bit not set\n");
return -ETIMEDOUT;
}
/* Wait till the lock bit is set in PLL status */
if (hdmi_wait_for_bit_change(hdmi_pll_base(ip_data),
PLLCTRL_PLL_STATUS, 1, 1, 1) != 1) {
pr_err("cannot lock PLL\n");
pr_err("CFG1 0x%x\n",
hdmi_read_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG1));
pr_err("CFG2 0x%x\n",
hdmi_read_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG2));
pr_err("CFG4 0x%x\n",
hdmi_read_reg(hdmi_pll_base(ip_data), PLLCTRL_CFG4));
return -ETIMEDOUT;
}
pr_debug("PLL locked!\n");
return 0;
}
static int hdmi_wait_for_audio_stop(struct hdmi_ip_data *ip_data)
{
int count = 0;
/* wait for audio to stop before powering off the phy*/
while (REG_GET(hdmi_wp_base(ip_data),
HDMI_WP_AUDIO_CTRL, 31, 31) != 0) {
msleep(100);
if (count++ > 100) {
pr_err("Audio is not turned off "
"even after 10 seconds\n");
return -ETIMEDOUT;
}
}
return 0;
}
/* PHY_PWR_CMD */
static int hdmi_set_phy_pwr(struct hdmi_ip_data *ip_data,
enum hdmi_phy_pwr val, bool set_mode)
{
/* FIXME audio driver should have already stopped, but not yet */
if (val == HDMI_PHYPWRCMD_OFF && !set_mode)
hdmi_wait_for_audio_stop(ip_data);
/* Command for power control of HDMI PHY */
REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, val, 7, 6);
/* Status of the power control of HDMI PHY */
if (hdmi_wait_for_bit_change(hdmi_wp_base(ip_data),
HDMI_WP_PWR_CTRL, 5, 4, val) != val) {
pr_err("Failed to set PHY power mode to %d\n", val);
return -ETIMEDOUT;
}
return 0;
}
/* PLL_PWR_CMD */
int hdmi_ti_4xxx_set_pll_pwr(struct hdmi_ip_data *ip_data, enum hdmi_pll_pwr val)
{
/* Command for power control of HDMI PLL */
REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL, val, 3, 2);
/* wait till PHY_PWR_STATUS is set */
if (hdmi_wait_for_bit_change(hdmi_wp_base(ip_data), HDMI_WP_PWR_CTRL,
1, 0, val) != val) {
pr_err("Failed to set PLL_PWR_STATUS\n");
return -ETIMEDOUT;
}
return 0;
}
EXPORT_SYMBOL(hdmi_ti_4xxx_set_pll_pwr);
static int hdmi_pll_reset(struct hdmi_ip_data *ip_data)
{
/* SYSRESET controlled by power FSM */
REG_FLD_MOD(hdmi_pll_base(ip_data), PLLCTRL_PLL_CONTROL, 0x0, 3, 3);
/* READ 0x0 reset is in progress */
if (hdmi_wait_for_bit_change(hdmi_pll_base(ip_data),
PLLCTRL_PLL_STATUS, 0, 0, 1) != 1) {
pr_err("Failed to sysreset PLL\n");
return -ETIMEDOUT;
}
return 0;
}
int hdmi_ti_4xxx_pll_program(struct hdmi_ip_data *ip_data,
struct hdmi_pll_info *fmt)
{
u16 r = 0;
enum hdmi_clk_refsel refsel;
r = hdmi_ti_4xxx_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF);
if (r)
return r;
r = hdmi_ti_4xxx_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_BOTHON_ALLCLKS);
if (r)
return r;
r = hdmi_pll_reset(ip_data);
if (r)
return r;
refsel = HDMI_REFSEL_SYSCLK;
r = hdmi_pll_init(ip_data, refsel, fmt->dcofreq, fmt, fmt->regsd);
if (r)
return r;
return 0;
}
int hdmi_ti_4xxx_phy_init(struct hdmi_ip_data *ip_data)
{
u16 r = 0;
r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_LDOON, false);
if (r)
return r;
r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON, false);
if (r)
return r;
/*
* Read address 0 in order to get the SCP reset done completed
* Dummy access performed to make sure reset is done
*/
hdmi_read_reg(hdmi_phy_base(ip_data), HDMI_TXPHY_TX_CTRL);
/*
* Write to phy address 0 to configure the clock
* use HFBITCLK write HDMI_TXPHY_TX_CONTROL_FREQOUT field
*/
REG_FLD_MOD(hdmi_phy_base(ip_data), HDMI_TXPHY_TX_CTRL, 0x1, 31, 30);
/* Write to phy address 1 to start HDMI line (TXVALID and TMDSCLKEN) */
hdmi_write_reg(hdmi_phy_base(ip_data),
HDMI_TXPHY_DIGITAL_CTRL, 0xF0000000);
/* Write to phy address 3 to change the polarity control */
REG_FLD_MOD(hdmi_phy_base(ip_data),
HDMI_TXPHY_PAD_CFG_CTRL, 0x1, 27, 27);
/* Flip data polarity */
REG_FLD_MOD(hdmi_phy_base(ip_data), HDMI_TXPHY_PAD_CFG_CTRL, 0x7, 30, 28);
return 0;
}
void hdmi_ti_4xxx_phy_off(struct hdmi_ip_data *ip_data, bool set_mode)
{
hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF, set_mode);
}
EXPORT_SYMBOL(hdmi_ti_4xxx_phy_init);
EXPORT_SYMBOL(hdmi_ti_4xxx_phy_off);
static int hdmi_core_ddc_edid(struct hdmi_ip_data *ip_data,
u8 *pedid, int ext)
{
u32 i, j;
char checksum = 0;
u32 offset = 0;
/* Turn on CLK for DDC */
REG_FLD_MOD(hdmi_av_base(ip_data), HDMI_CORE_AV_DPD, 0x7, 2, 0);
/*
* SW HACK : Without the Delay DDC(i2c bus) reads 0 values /
* right shifted values( The behavior is not consistent and seen only
* with some TV's)
*/
msleep(300);
if (!ext) {
/* Clk SCL Devices */
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_CMD, 0xA, 3, 0);
/* HDMI_CORE_DDC_STATUS_IN_PROG */
if (hdmi_wait_for_bit_change(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_STATUS, 4, 4, 0) != 0) {
pr_err("Failed to program DDC\n");
return -ETIMEDOUT;
}
/* Clear FIFO */
REG_FLD_MOD(hdmi_core_sys_base(ip_data)
, HDMI_CORE_DDC_CMD, 0x9, 3, 0);
/* HDMI_CORE_DDC_STATUS_IN_PROG */
if (hdmi_wait_for_bit_change(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_STATUS, 4, 4, 0) != 0) {
pr_err("Failed to program DDC\n");
return -ETIMEDOUT;
}
} else {
if (ext % 2 != 0)
offset = 0x80;
}
/* Load Segment Address Register */
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_SEGM, ext/2, 7, 0);
/* Load Slave Address Register */
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_ADDR, 0xA0 >> 1, 7, 1);
/* Load Offset Address Register */
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_OFFSET, offset, 7, 0);
/* Load Byte Count */
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_COUNT1, 0x80, 7, 0);
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_COUNT2, 0x0, 1, 0);
/* Set DDC_CMD */
if (ext)
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_CMD, 0x4, 3, 0);
else
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_CMD, 0x2, 3, 0);
/* HDMI_CORE_DDC_STATUS_BUS_LOW */
if (REG_GET(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_STATUS, 6, 6) == 1) {
pr_err("I2C Bus Low?\n");
return -EIO;
}
/* HDMI_CORE_DDC_STATUS_NO_ACK */
if (REG_GET(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_STATUS, 5, 5) == 1) {
pr_err("I2C No Ack\n");
return -EIO;
}
i = ext * 128;
j = 0;
while (((REG_GET(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_STATUS, 4, 4) == 1) ||
(REG_GET(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_STATUS, 2, 2) == 0)) && j < 128) {
if (REG_GET(hdmi_core_sys_base(ip_data)
, HDMI_CORE_DDC_STATUS, 2, 2) == 0) {
/* FIFO not empty */
pedid[i++] = REG_GET(hdmi_core_sys_base(ip_data),
HDMI_CORE_DDC_DATA, 7, 0);
j++;
}
}
for (j = 0; j < 128; j++)
checksum += pedid[j];
if (checksum != 0) {
pr_err("E-EDID checksum failed!!\n");
return -EIO;
}
return 0;
}
int read_ti_4xxx_edid(struct hdmi_ip_data *ip_data, u8 *pedid, u16 max_length)
{
int r = 0, n = 0, i = 0;
int max_ext_blocks = (max_length / 128) - 1;
r = hdmi_core_ddc_edid(ip_data, pedid, 0);
if (r) {
return r;
} else {
n = pedid[0x7e];
/*
* README: need to comply with max_length set by the caller.
* Better implementation should be to allocate necessary
* memory to store EDID according to nb_block field found
* in first block
*/
if (n > max_ext_blocks)
n = max_ext_blocks;
for (i = 1; i <= n; i++) {
r = hdmi_core_ddc_edid(ip_data, pedid, i);
if (r)
return r;
}
}
return 0;
}
EXPORT_SYMBOL(read_ti_4xxx_edid);
static void hdmi_core_init(enum hdmi_deep_color_mode deep_color,
struct hdmi_core_video_config *video_cfg,
struct hdmi_core_infoframe_avi *avi_cfg,
struct hdmi_core_packet_enable_repeat *repeat_cfg)
{
pr_debug("Enter hdmi_core_init\n");
/* video core */
switch (deep_color) {
case HDMI_DEEP_COLOR_30BIT:
video_cfg->ip_bus_width = HDMI_INPUT_10BIT;
video_cfg->op_dither_truc = HDMI_OUTPUTTRUNCATION_10BIT;
video_cfg->deep_color_pkt = HDMI_DEEPCOLORPACKECTENABLE;
video_cfg->pkt_mode = HDMI_PACKETMODE30BITPERPIXEL;
break;
case HDMI_DEEP_COLOR_36BIT:
video_cfg->ip_bus_width = HDMI_INPUT_12BIT;
video_cfg->op_dither_truc = HDMI_OUTPUTTRUNCATION_12BIT;
video_cfg->deep_color_pkt = HDMI_DEEPCOLORPACKECTENABLE;
video_cfg->pkt_mode = HDMI_PACKETMODE36BITPERPIXEL;
break;
case HDMI_DEEP_COLOR_24BIT:
default:
video_cfg->ip_bus_width = HDMI_INPUT_8BIT;
video_cfg->op_dither_truc = HDMI_OUTPUTTRUNCATION_8BIT;
video_cfg->deep_color_pkt = HDMI_DEEPCOLORPACKECTDISABLE;
video_cfg->pkt_mode = HDMI_PACKETMODERESERVEDVALUE;
break;
}
video_cfg->hdmi_dvi = HDMI_DVI;
video_cfg->tclk_sel_clkmult = HDMI_FPLL10IDCK;
/* info frame */
avi_cfg->db1_format = 0;
avi_cfg->db1_active_info = 0;
avi_cfg->db1_bar_info_dv = 0;
avi_cfg->db1_scan_info = 0;
avi_cfg->db2_colorimetry = 0;
avi_cfg->db2_aspect_ratio = 0;
avi_cfg->db2_active_fmt_ar = 0;
avi_cfg->db3_itc = 0;
avi_cfg->db3_ec = 0;
avi_cfg->db3_q_range = 0;
avi_cfg->db3_nup_scaling = 0;
avi_cfg->db4_videocode = 0;
avi_cfg->db5_pixel_repeat = 0;
avi_cfg->db6_7_line_eoftop = 0 ;
avi_cfg->db8_9_line_sofbottom = 0;
avi_cfg->db10_11_pixel_eofleft = 0;
avi_cfg->db12_13_pixel_sofright = 0;
/* packet enable and repeat */
repeat_cfg->audio_pkt = 0;
repeat_cfg->audio_pkt_repeat = 0;
repeat_cfg->avi_infoframe = 0;
repeat_cfg->avi_infoframe_repeat = 0;
repeat_cfg->gen_cntrl_pkt = 0;
repeat_cfg->gen_cntrl_pkt_repeat = 0;
repeat_cfg->generic_pkt = 0;
repeat_cfg->generic_pkt_repeat = 0;
}
static void hdmi_core_powerdown_disable(struct hdmi_ip_data *ip_data)
{
pr_debug("Enter hdmi_core_powerdown_disable\n");
REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_CTRL1, 0x0, 0, 0);
}
static void hdmi_core_swreset_release(struct hdmi_ip_data *ip_data)
{
pr_debug("Enter hdmi_core_swreset_release\n");
REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SRST, 0x0, 0, 0);
}
static void hdmi_core_swreset_assert(struct hdmi_ip_data *ip_data)
{
pr_debug("Enter hdmi_core_swreset_assert\n");
REG_FLD_MOD(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_SRST, 0x1, 0, 0);
}
/* HDMI_CORE_VIDEO_CONFIG */
static void hdmi_core_video_config(struct hdmi_ip_data *ip_data,
struct hdmi_core_video_config *cfg)
{
u32 r = 0;
/* sys_ctrl1 default configuration not tunable */
r = hdmi_read_reg(hdmi_core_sys_base(ip_data), HDMI_CORE_CTRL1);
r = FLD_MOD(r, HDMI_CORE_CTRL1_VEN_FOLLOWVSYNC, 5, 5);
r = FLD_MOD(r, HDMI_CORE_CTRL1_HEN_FOLLOWHSYNC, 4, 4);
r = FLD_MOD(r, HDMI_CORE_CTRL1_BSEL_24BITBUS, 2, 2);
r = FLD_MOD(r, HDMI_CORE_CTRL1_EDGE_RISINGEDGE, 1, 1);
hdmi_write_reg(hdmi_core_sys_base(ip_data), HDMI_CORE_CTRL1, r);
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_SYS_VID_ACEN, cfg->ip_bus_width, 7, 6);
/* Vid_Mode */
r = hdmi_read_reg(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_VID_MODE);
/* dither truncation configuration */
if (cfg->op_dither_truc > HDMI_OUTPUTTRUNCATION_12BIT) {
r = FLD_MOD(r, cfg->op_dither_truc - 3, 7, 6);
r = FLD_MOD(r, 1, 5, 5);
} else {
r = FLD_MOD(r, cfg->op_dither_truc, 7, 6);
r = FLD_MOD(r, 0, 5, 5);
}
hdmi_write_reg(hdmi_core_sys_base(ip_data), HDMI_CORE_SYS_VID_MODE, r);
/* HDMI_Ctrl */
r = hdmi_read_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL);
r = FLD_MOD(r, cfg->deep_color_pkt, 6, 6);
r = FLD_MOD(r, cfg->pkt_mode, 5, 3);
r = FLD_MOD(r, cfg->hdmi_dvi, 0, 0);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL, r);
/* TMDS_CTRL */
REG_FLD_MOD(hdmi_core_sys_base(ip_data),
HDMI_CORE_SYS_TMDS_CTRL, cfg->tclk_sel_clkmult, 6, 5);
}
static void hdmi_core_aux_infoframe_avi_config(struct hdmi_ip_data *ip_data,
struct hdmi_core_infoframe_avi info_avi)
{
u32 val;
char sum = 0, checksum = 0;
sum += 0x82 + 0x002 + 0x00D;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_TYPE, 0x082);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_VERS, 0x002);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_LEN, 0x00D);
val = (info_avi.db1_format << 5) |
(info_avi.db1_active_info << 4) |
(info_avi.db1_bar_info_dv << 2) |
(info_avi.db1_scan_info);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(0), val);
sum += val;
val = (info_avi.db2_colorimetry << 6) |
(info_avi.db2_aspect_ratio << 4) |
(info_avi.db2_active_fmt_ar);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(1), val);
sum += val;
val = (info_avi.db3_itc << 7) |
(info_avi.db3_ec << 4) |
(info_avi.db3_q_range << 2) |
(info_avi.db3_nup_scaling);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(2), val);
sum += val;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(3),
info_avi.db4_videocode);
sum += info_avi.db4_videocode;
val = info_avi.db5_pixel_repeat;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(4), val);
sum += val;
val = info_avi.db6_7_line_eoftop & 0x00FF;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(5), val);
sum += val;
val = ((info_avi.db6_7_line_eoftop >> 8) & 0x00FF);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(6), val);
sum += val;
val = info_avi.db8_9_line_sofbottom & 0x00FF;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(7), val);
sum += val;
val = ((info_avi.db8_9_line_sofbottom >> 8) & 0x00FF);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(8), val);
sum += val;
val = info_avi.db10_11_pixel_eofleft & 0x00FF;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(9), val);
sum += val;
val = ((info_avi.db10_11_pixel_eofleft >> 8) & 0x00FF);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(10), val);
sum += val;
val = info_avi.db12_13_pixel_sofright & 0x00FF;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(11), val);
sum += val;
val = ((info_avi.db12_13_pixel_sofright >> 8) & 0x00FF);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_DBYTE(12), val);
sum += val;
checksum = 0x100 - sum;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AVI_CHSUM, checksum);
}
static void hdmi_core_av_packet_config(struct hdmi_ip_data *ip_data,
struct hdmi_core_packet_enable_repeat repeat_cfg)
{
/* enable/repeat the infoframe */
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_PB_CTRL1,
(repeat_cfg.audio_pkt << 5) |
(repeat_cfg.audio_pkt_repeat << 4) |
(repeat_cfg.avi_infoframe << 1) |
(repeat_cfg.avi_infoframe_repeat));
/* enable/repeat the packet */
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_PB_CTRL2,
(repeat_cfg.gen_cntrl_pkt << 3) |
(repeat_cfg.gen_cntrl_pkt_repeat << 2) |
(repeat_cfg.generic_pkt << 1) |
(repeat_cfg.generic_pkt_repeat));
}
static void hdmi_wp_init(struct omap_video_timings *timings,
struct hdmi_video_format *video_fmt,
struct hdmi_video_interface *video_int)
{
pr_debug("Enter hdmi_wp_init\n");
timings->hbp = 0;
timings->hfp = 0;
timings->hsw = 0;
timings->vbp = 0;
timings->vfp = 0;
timings->vsw = 0;
video_fmt->packing_mode = HDMI_PACK_10b_RGB_YUV444;
video_fmt->y_res = 0;
video_fmt->x_res = 0;
video_int->vsp = 0;
video_int->hsp = 0;
video_int->interlacing = 0;
video_int->tm = 0; /* HDMI_TIMING_SLAVE */
}
void hdmi_ti_4xxx_wp_video_start(struct hdmi_ip_data *ip_data, bool start)
{
REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, start, 31, 31);
}
EXPORT_SYMBOL(hdmi_ti_4xxx_wp_video_start);
static void hdmi_wp_video_init_format(struct hdmi_video_format *video_fmt,
struct omap_video_timings *timings, struct hdmi_config *param)
{
pr_debug("Enter hdmi_wp_video_init_format\n");
video_fmt->y_res = param->timings.yres;
video_fmt->x_res = param->timings.xres;
omapfb_fb2dss_timings(&param->timings, timings);
}
static void hdmi_wp_video_config_format(struct hdmi_ip_data *ip_data,
struct hdmi_video_format *video_fmt)
{
u32 l = 0;
REG_FLD_MOD(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG,
video_fmt->packing_mode, 10, 8);
l |= FLD_VAL(video_fmt->y_res, 31, 16);
l |= FLD_VAL(video_fmt->x_res, 15, 0);
hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_SIZE, l);
}
static void hdmi_wp_video_config_interface(struct hdmi_ip_data *ip_data,
struct hdmi_video_interface *video_int)
{
u32 r;
pr_debug("Enter hdmi_wp_video_config_interface\n");
r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG);
r = FLD_MOD(r, video_int->vsp, 7, 7);
r = FLD_MOD(r, video_int->hsp, 6, 6);
r = FLD_MOD(r, video_int->interlacing, 3, 3);
r = FLD_MOD(r, video_int->tm, 1, 0);
hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, r);
}
static void hdmi_wp_video_config_timing(struct hdmi_ip_data *ip_data,
struct omap_video_timings *timings)
{
u32 timing_h = 0;
u32 timing_v = 0;
pr_debug("Enter hdmi_wp_video_config_timing\n");
timing_h |= FLD_VAL(timings->hbp, 31, 20);
timing_h |= FLD_VAL(timings->hfp, 19, 8);
timing_h |= FLD_VAL(timings->hsw, 7, 0);
hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_TIMING_H, timing_h);
timing_v |= FLD_VAL(timings->vbp, 31, 20);
timing_v |= FLD_VAL(timings->vfp, 19, 8);
timing_v |= FLD_VAL(timings->vsw, 7, 0);
hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_TIMING_V, timing_v);
}
void hdmi_ti_4xxx_basic_configure(struct hdmi_ip_data *ip_data,
struct hdmi_config *cfg)
{
/* HDMI */
struct omap_video_timings video_timing;
struct hdmi_video_format video_format;
struct hdmi_video_interface video_interface;
/* HDMI core */
struct hdmi_core_infoframe_avi avi_cfg;
struct hdmi_core_video_config v_core_cfg;
struct hdmi_core_packet_enable_repeat repeat_cfg;
hdmi_wp_init(&video_timing, &video_format,
&video_interface);
hdmi_core_init(cfg->deep_color, &v_core_cfg,
&avi_cfg,
&repeat_cfg);
hdmi_wp_video_init_format(&video_format, &video_timing, cfg);
hdmi_wp_video_config_timing(ip_data, &video_timing);
/* video config */
video_format.packing_mode = HDMI_PACK_24b_RGB_YUV444_YUV422;
hdmi_wp_video_config_format(ip_data, &video_format);
video_interface.vsp = !!(cfg->timings.sync & FB_SYNC_VERT_HIGH_ACT);
video_interface.hsp = !!(cfg->timings.sync & FB_SYNC_HOR_HIGH_ACT);
video_interface.interlacing = cfg->timings.vmode & FB_VMODE_INTERLACED;
video_interface.tm = 1 ; /* HDMI_TIMING_MASTER_24BIT */
hdmi_wp_video_config_interface(ip_data, &video_interface);
/*
* configure core video part
* set software reset in the core
*/
hdmi_core_swreset_assert(ip_data);
/* power down off */
hdmi_core_powerdown_disable(ip_data);
v_core_cfg.pkt_mode = HDMI_PACKETMODE24BITPERPIXEL;
v_core_cfg.hdmi_dvi = cfg->cm.mode;
hdmi_core_video_config(ip_data, &v_core_cfg);
/* release software reset in the core */
hdmi_core_swreset_release(ip_data);
/*
* configure packet
* info frame video see doc CEA861-D page 65
*/
avi_cfg.db1_format = HDMI_INFOFRAME_AVI_DB1Y_RGB;
avi_cfg.db1_active_info =
HDMI_INFOFRAME_AVI_DB1A_ACTIVE_FORMAT_OFF;
avi_cfg.db1_bar_info_dv = HDMI_INFOFRAME_AVI_DB1B_NO;
avi_cfg.db1_scan_info = HDMI_INFOFRAME_AVI_DB1S_0;
avi_cfg.db2_colorimetry = HDMI_INFOFRAME_AVI_DB2C_NO;
avi_cfg.db2_aspect_ratio = HDMI_INFOFRAME_AVI_DB2M_NO;
if (cfg->cm.mode == HDMI_HDMI && cfg->cm.code < CEA_MODEDB_SIZE) {
if (cea_modes[cfg->cm.code].flag & FB_FLAG_RATIO_16_9)
avi_cfg.db2_aspect_ratio = HDMI_INFOFRAME_AVI_DB2M_169;
else if (cea_modes[cfg->cm.code].flag & FB_FLAG_RATIO_4_3)
avi_cfg.db2_aspect_ratio = HDMI_INFOFRAME_AVI_DB2M_43;
}
avi_cfg.db2_active_fmt_ar = HDMI_INFOFRAME_AVI_DB2R_SAME;
avi_cfg.db3_itc = HDMI_INFOFRAME_AVI_DB3ITC_NO;
avi_cfg.db3_ec = HDMI_INFOFRAME_AVI_DB3EC_XVYUV601;
avi_cfg.db3_q_range = HDMI_INFOFRAME_AVI_DB3Q_DEFAULT;
avi_cfg.db3_nup_scaling = HDMI_INFOFRAME_AVI_DB3SC_NO;
avi_cfg.db4_videocode = cfg->cm.code;
avi_cfg.db5_pixel_repeat = HDMI_INFOFRAME_AVI_DB5PR_NO;
avi_cfg.db6_7_line_eoftop = 0;
avi_cfg.db8_9_line_sofbottom = 0;
avi_cfg.db10_11_pixel_eofleft = 0;
avi_cfg.db12_13_pixel_sofright = 0;
hdmi_core_aux_infoframe_avi_config(ip_data, avi_cfg);
/* enable/repeat the infoframe */
repeat_cfg.avi_infoframe = HDMI_PACKETENABLE;
repeat_cfg.avi_infoframe_repeat = HDMI_PACKETREPEATON;
/* wakeup */
repeat_cfg.audio_pkt = HDMI_PACKETENABLE;
repeat_cfg.audio_pkt_repeat = HDMI_PACKETREPEATON;
hdmi_core_av_packet_config(ip_data, repeat_cfg);
}
EXPORT_SYMBOL(hdmi_ti_4xxx_basic_configure);
void hdmi_ti_4xxx_dump_regs(struct hdmi_ip_data *ip_data, struct seq_file *s)
{
#define DUMPREG(g, r) seq_printf(s, "%-35s %08x\n", #r, hdmi_read_reg(g, r))
void __iomem *wp_base = hdmi_wp_base(ip_data);
void __iomem *core_sys_base = hdmi_core_sys_base(ip_data);
void __iomem *phy_base = hdmi_phy_base(ip_data);
void __iomem *pll_base = hdmi_pll_base(ip_data);
void __iomem *av_base = hdmi_av_base(ip_data);
/* wrapper registers */
DUMPREG(wp_base, HDMI_WP_REVISION);
DUMPREG(wp_base, HDMI_WP_SYSCONFIG);
DUMPREG(wp_base, HDMI_WP_IRQSTATUS_RAW);
DUMPREG(wp_base, HDMI_WP_IRQSTATUS);
DUMPREG(wp_base, HDMI_WP_PWR_CTRL);
DUMPREG(wp_base, HDMI_WP_IRQENABLE_SET);
DUMPREG(wp_base, HDMI_WP_VIDEO_SIZE);
DUMPREG(wp_base, HDMI_WP_VIDEO_TIMING_H);
DUMPREG(wp_base, HDMI_WP_VIDEO_TIMING_V);
DUMPREG(wp_base, HDMI_WP_WP_CLK);
DUMPREG(core_sys_base, HDMI_CORE_SYS_VND_IDL);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DEV_IDL);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DEV_IDH);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DEV_REV);
DUMPREG(core_sys_base, HDMI_CORE_SYS_SRST);
DUMPREG(core_sys_base, HDMI_CORE_CTRL1);
DUMPREG(core_sys_base, HDMI_CORE_SYS_SYS_STAT);
DUMPREG(core_sys_base, HDMI_CORE_SYS_VID_ACEN);
DUMPREG(core_sys_base, HDMI_CORE_SYS_VID_MODE);
DUMPREG(core_sys_base, HDMI_CORE_SYS_INTR_STATE);
DUMPREG(core_sys_base, HDMI_CORE_SYS_INTR1);
DUMPREG(core_sys_base, HDMI_CORE_SYS_INTR2);
DUMPREG(core_sys_base, HDMI_CORE_SYS_INTR3);
DUMPREG(core_sys_base, HDMI_CORE_SYS_INTR4);
DUMPREG(core_sys_base, HDMI_CORE_SYS_UMASK1);
DUMPREG(core_sys_base, HDMI_CORE_SYS_TMDS_CTRL);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DE_DLY);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DE_CTRL);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DE_TOP);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DE_CNTL);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DE_CNTH);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DE_LINL);
DUMPREG(core_sys_base, HDMI_CORE_SYS_DE_LINH_1);
DUMPREG(core_sys_base, HDMI_CORE_DDC_CMD);
DUMPREG(core_sys_base, HDMI_CORE_DDC_STATUS);
DUMPREG(core_sys_base, HDMI_CORE_DDC_ADDR);
DUMPREG(core_sys_base, HDMI_CORE_DDC_OFFSET);
DUMPREG(core_sys_base, HDMI_CORE_DDC_COUNT1);
DUMPREG(core_sys_base, HDMI_CORE_DDC_COUNT2);
DUMPREG(core_sys_base, HDMI_CORE_DDC_DATA);
DUMPREG(core_sys_base, HDMI_CORE_DDC_SEGM);
DUMPREG(av_base, HDMI_CORE_AV_HDMI_CTRL);
DUMPREG(av_base, HDMI_CORE_AV_AVI_DBYTE_NELEMS);
DUMPREG(av_base, HDMI_CORE_AV_SPD_DBYTE);
DUMPREG(av_base, HDMI_CORE_AV_SPD_DBYTE_NELEMS);
DUMPREG(av_base, HDMI_CORE_AV_AUD_DBYTE_NELEMS);
DUMPREG(av_base, HDMI_CORE_AV_MPEG_DBYTE);
DUMPREG(av_base, HDMI_CORE_AV_MPEG_DBYTE_NELEMS);
DUMPREG(av_base, HDMI_CORE_AV_GEN_DBYTE);
DUMPREG(av_base, HDMI_CORE_AV_GEN_DBYTE_NELEMS);
DUMPREG(av_base, HDMI_CORE_AV_GEN2_DBYTE);
DUMPREG(av_base, HDMI_CORE_AV_GEN2_DBYTE_NELEMS);
DUMPREG(av_base, HDMI_CORE_AV_ACR_CTRL);
DUMPREG(av_base, HDMI_CORE_AV_FREQ_SVAL);
DUMPREG(av_base, HDMI_CORE_AV_N_SVAL1);
DUMPREG(av_base, HDMI_CORE_AV_N_SVAL2);
DUMPREG(av_base, HDMI_CORE_AV_N_SVAL3);
DUMPREG(av_base, HDMI_CORE_AV_CTS_SVAL1);
DUMPREG(av_base, HDMI_CORE_AV_CTS_SVAL2);
DUMPREG(av_base, HDMI_CORE_AV_CTS_SVAL3);
DUMPREG(av_base, HDMI_CORE_AV_CTS_HVAL1);
DUMPREG(av_base, HDMI_CORE_AV_CTS_HVAL2);
DUMPREG(av_base, HDMI_CORE_AV_CTS_HVAL3);
DUMPREG(av_base, HDMI_CORE_AV_AUD_MODE);
DUMPREG(av_base, HDMI_CORE_AV_SPDIF_CTRL);
DUMPREG(av_base, HDMI_CORE_AV_HW_SPDIF_FS);
DUMPREG(av_base, HDMI_CORE_AV_SWAP_I2S);
DUMPREG(av_base, HDMI_CORE_AV_SPDIF_ERTH);
DUMPREG(av_base, HDMI_CORE_AV_I2S_IN_MAP);
DUMPREG(av_base, HDMI_CORE_AV_I2S_IN_CTRL);
DUMPREG(av_base, HDMI_CORE_AV_I2S_CHST0);
DUMPREG(av_base, HDMI_CORE_AV_I2S_CHST1);
DUMPREG(av_base, HDMI_CORE_AV_I2S_CHST2);
DUMPREG(av_base, HDMI_CORE_AV_I2S_CHST4);
DUMPREG(av_base, HDMI_CORE_AV_I2S_CHST5);
DUMPREG(av_base, HDMI_CORE_AV_ASRC);
DUMPREG(av_base, HDMI_CORE_AV_I2S_IN_LEN);
DUMPREG(av_base, HDMI_CORE_AV_AUDO_TXSTAT);
DUMPREG(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_1);
DUMPREG(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_2);
DUMPREG(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_3);
DUMPREG(av_base, HDMI_CORE_AV_TEST_TXCTRL);
DUMPREG(av_base, HDMI_CORE_AV_DPD);
DUMPREG(av_base, HDMI_CORE_AV_PB_CTRL1);
DUMPREG(av_base, HDMI_CORE_AV_PB_CTRL2);
DUMPREG(av_base, HDMI_CORE_AV_AVI_TYPE);
DUMPREG(av_base, HDMI_CORE_AV_AVI_VERS);
DUMPREG(av_base, HDMI_CORE_AV_AVI_LEN);
DUMPREG(av_base, HDMI_CORE_AV_AVI_CHSUM);
DUMPREG(av_base, HDMI_CORE_AV_SPD_TYPE);
DUMPREG(av_base, HDMI_CORE_AV_SPD_VERS);
DUMPREG(av_base, HDMI_CORE_AV_SPD_LEN);
DUMPREG(av_base, HDMI_CORE_AV_SPD_CHSUM);
DUMPREG(av_base, HDMI_CORE_AV_AUDIO_TYPE);
DUMPREG(av_base, HDMI_CORE_AV_AUDIO_VERS);
DUMPREG(av_base, HDMI_CORE_AV_AUDIO_LEN);
DUMPREG(av_base, HDMI_CORE_AV_AUDIO_CHSUM);
DUMPREG(av_base, HDMI_CORE_AV_MPEG_TYPE);
DUMPREG(av_base, HDMI_CORE_AV_MPEG_VERS);
DUMPREG(av_base, HDMI_CORE_AV_MPEG_LEN);
DUMPREG(av_base, HDMI_CORE_AV_MPEG_CHSUM);
DUMPREG(av_base, HDMI_CORE_AV_CP_BYTE1);
DUMPREG(av_base, HDMI_CORE_AV_CEC_ADDR_ID);
DUMPREG(pll_base, PLLCTRL_PLL_CONTROL);
DUMPREG(pll_base, PLLCTRL_PLL_STATUS);
DUMPREG(pll_base, PLLCTRL_PLL_GO);
DUMPREG(pll_base, PLLCTRL_CFG1);
DUMPREG(pll_base, PLLCTRL_CFG2);
DUMPREG(pll_base, PLLCTRL_CFG3);
DUMPREG(pll_base, PLLCTRL_CFG4);
DUMPREG(phy_base, HDMI_TXPHY_TX_CTRL);
DUMPREG(phy_base, HDMI_TXPHY_DIGITAL_CTRL);
DUMPREG(phy_base, HDMI_TXPHY_POWER_CTRL);
DUMPREG(phy_base, HDMI_TXPHY_PAD_CFG_CTRL);
#undef DUMPREG
}
EXPORT_SYMBOL(hdmi_ti_4xxx_dump_regs);
int hdmi_ti_4xxx_config_audio_acr(struct hdmi_ip_data *ip_data,
u32 sample_freq, u32 *n, u32 *cts, u32 pclk)
{
u32 r;
u32 deep_color = 0;
if (n == NULL || cts == NULL)
return -EINVAL;
/*
* Obtain current deep color configuration. This needed
* to calculate the TMDS clock based on the pixel clock.
*/
r = REG_GET(hdmi_wp_base(ip_data), HDMI_WP_VIDEO_CFG, 1, 0);
switch (r) {
case 1: /* No deep color selected */
deep_color = 100;
break;
case 2: /* 10-bit deep color selected */
deep_color = 125;
break;
case 3: /* 12-bit deep color selected */
deep_color = 150;
break;
default:
return -EINVAL;
}
switch (sample_freq) {
case 32000:
if ((deep_color == 125) && ((pclk == 54054)
|| (pclk == 74250)))
*n = 8192;
else
*n = 4096;
break;
case 44100:
*n = 6272;
break;
case 48000:
if ((deep_color == 125) && ((pclk == 54054)
|| (pclk == 74250)))
*n = 8192;
else
*n = 6144;
break;
default:
*n = 0;
return -EINVAL;
}
/* Calculate CTS. See HDMI 1.3a or 1.4a specifications */
*cts = pclk * (*n / 128) * deep_color / (sample_freq / 10);
return 0;
}
EXPORT_SYMBOL(hdmi_ti_4xxx_config_audio_acr);
void hdmi_ti_4xxx_wp_audio_config_format(struct hdmi_ip_data *ip_data,
struct hdmi_audio_format *aud_fmt)
{
u32 r, reset_wp;
pr_debug("Enter hdmi_wp_audio_config_format\n");
reset_wp = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL);
/* Reset HDMI wrapper */
if (reset_wp & 0x80000000)
REG_FLD_MOD(hdmi_wp_base(ip_data),
HDMI_WP_AUDIO_CTRL, 0, 31, 31);
r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG);
r = FLD_MOD(r, aud_fmt->stereo_channels, 26, 24);
r = FLD_MOD(r, aud_fmt->active_chnnls_msk, 23, 16);
r = FLD_MOD(r, aud_fmt->en_sig_blk_strt_end, 5, 5);
r = FLD_MOD(r, aud_fmt->type, 4, 4);
r = FLD_MOD(r, aud_fmt->justification, 3, 3);
r = FLD_MOD(r, aud_fmt->sample_order, 2, 2);
r = FLD_MOD(r, aud_fmt->samples_per_word, 1, 1);
r = FLD_MOD(r, aud_fmt->sample_size, 0, 0);
hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG, r);
if (r & 0x80000000)
REG_FLD_MOD(hdmi_wp_base(ip_data),
HDMI_WP_AUDIO_CTRL, 1, 31, 31);
}
EXPORT_SYMBOL(hdmi_ti_4xxx_wp_audio_config_format);
void hdmi_ti_4xxx_wp_audio_config_dma(struct hdmi_ip_data *ip_data,
struct hdmi_audio_dma *aud_dma)
{
u32 r;
pr_debug("Enter hdmi_wp_audio_config_dma\n");
r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2);
r = FLD_MOD(r, aud_dma->transfer_size, 15, 8);
r = FLD_MOD(r, aud_dma->block_size, 7, 0);
hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CFG2, r);
r = hdmi_read_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL);
r = FLD_MOD(r, aud_dma->mode, 9, 9);
r = FLD_MOD(r, aud_dma->fifo_threshold, 8, 0);
hdmi_write_reg(hdmi_wp_base(ip_data), HDMI_WP_AUDIO_CTRL, r);
}
EXPORT_SYMBOL(hdmi_ti_4xxx_wp_audio_config_dma);
void hdmi_ti_4xxx_core_audio_config(struct hdmi_ip_data *ip_data,
struct hdmi_core_audio_config *cfg)
{
u32 r;
/* audio clock recovery parameters */
r = hdmi_read_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_ACR_CTRL);
/*
* MCLK_EN: use TCLK for ACR packets. For devices that use
* the MCLK, this is the first part of the MCLK initialization
*/
r = FLD_MOD(r, 0, 2, 2);
r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1);
r = FLD_MOD(r, cfg->cts_mode, 0, 0);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_ACR_CTRL, r);
REG_FLD_MOD(hdmi_av_base(ip_data), HDMI_CORE_AV_N_SVAL1, cfg->n, 7, 0);
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_N_SVAL2, cfg->n >> 8, 7, 0);
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_N_SVAL3, cfg->n >> 16, 7, 0);
if (cfg->use_mclk)
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0);
if (cfg->cts_mode == HDMI_AUDIO_CTS_MODE_SW) {
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_CTS_SVAL1, cfg->cts, 7, 0);
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_CTS_SVAL2, cfg->cts >> 8, 7, 0);
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_CTS_SVAL3, cfg->cts >> 16, 7, 0);
} else {
/* Configure clock for audio packets */
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_AUD_PAR_BUSCLK_1,
cfg->aud_par_busclk, 7, 0);
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_AUD_PAR_BUSCLK_2,
(cfg->aud_par_busclk >> 8), 7, 0);
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_AUD_PAR_BUSCLK_3,
(cfg->aud_par_busclk >> 16), 7, 0);
}
/* For devices using MCLK, this completes its initialization. */
REG_FLD_MOD(hdmi_av_base(ip_data), HDMI_CORE_AV_ACR_CTRL,
cfg->use_mclk, 2, 2);
/* Override of SPDIF sample frequency with value in I2S_CHST4 */
REG_FLD_MOD(hdmi_av_base(ip_data), HDMI_CORE_AV_SPDIF_CTRL,
cfg->fs_override, 1, 1);
/* I2S parameters */
REG_FLD_MOD(hdmi_av_base(ip_data), HDMI_CORE_AV_I2S_CHST4,
cfg->freq_sample, 3, 0);
r = hdmi_read_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_I2S_IN_CTRL);
r = FLD_MOD(r, cfg->i2s_cfg.en_high_bitrate_aud, 7, 7);
r = FLD_MOD(r, cfg->i2s_cfg.sck_edge_mode, 6, 6);
r = FLD_MOD(r, cfg->i2s_cfg.cbit_order, 5, 5);
r = FLD_MOD(r, cfg->i2s_cfg.vbit, 4, 4);
r = FLD_MOD(r, cfg->i2s_cfg.ws_polarity, 3, 3);
r = FLD_MOD(r, cfg->i2s_cfg.justification, 2, 2);
r = FLD_MOD(r, cfg->i2s_cfg.direction, 1, 1);
r = FLD_MOD(r, cfg->i2s_cfg.shift, 0, 0);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_I2S_IN_CTRL, r);
r = hdmi_read_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_I2S_CHST5);
r = FLD_MOD(r, cfg->freq_sample, 7, 4);
r = FLD_MOD(r, cfg->i2s_cfg.word_length, 3, 1);
r = FLD_MOD(r, cfg->i2s_cfg.word_max_length, 0, 0);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_I2S_CHST5, r);
REG_FLD_MOD(hdmi_av_base(ip_data), HDMI_CORE_AV_I2S_IN_LEN,
cfg->i2s_cfg.in_length_bits, 3, 0);
/* Audio channels and mode parameters */
REG_FLD_MOD(hdmi_av_base(ip_data), HDMI_CORE_AV_HDMI_CTRL,
cfg->layout, 2, 1);
r = hdmi_read_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_MODE);
r = FLD_MOD(r, cfg->i2s_cfg.active_sds, 7, 4);
r = FLD_MOD(r, cfg->en_dsd_audio, 3, 3);
r = FLD_MOD(r, cfg->en_parallel_aud_input, 2, 2);
r = FLD_MOD(r, cfg->en_spdif, 1, 1);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_MODE, r);
}
EXPORT_SYMBOL(hdmi_ti_4xxx_core_audio_config);
void hdmi_ti_4xxx_core_audio_infoframe_config(struct hdmi_ip_data *ip_data,
struct hdmi_core_infoframe_audio *info_aud)
{
u8 val;
u8 sum = 0, checksum = 0;
/*
* Set audio info frame type, version and length as
* described in HDMI 1.4a Section 8.2.2 specification.
* Checksum calculation is defined in Section 5.3.5.
*/
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUDIO_TYPE, 0x84);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUDIO_VERS, 0x01);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUDIO_LEN, 0x0a);
sum += 0x84 + 0x001 + 0x00a;
val = (info_aud->db1_coding_type << 4)
| (info_aud->db1_channel_count - 1);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(0), val);
sum += val;
val = (info_aud->db2_sample_freq << 2) | info_aud->db2_sample_size;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(1), val);
sum += val;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(2), 0x00);
val = info_aud->db4_channel_alloc;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(3), val);
sum += val;
val = (info_aud->db5_downmix_inh << 7) | (info_aud->db5_lsv << 3);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(4), val);
sum += val;
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(5), 0x00);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(6), 0x00);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(7), 0x00);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(8), 0x00);
hdmi_write_reg(hdmi_av_base(ip_data), HDMI_CORE_AV_AUD_DBYTE(9), 0x00);
checksum = 0x100 - sum;
hdmi_write_reg(hdmi_av_base(ip_data),
HDMI_CORE_AV_AUDIO_CHSUM, checksum);
/*
* TODO: Add MPEG and SPD enable and repeat cfg when EDID parsing
* is available.
*/
}
EXPORT_SYMBOL(hdmi_ti_4xxx_core_audio_infoframe_config);
void hdmi_ti_4xxx_audio_enable(struct hdmi_ip_data *ip_data, bool enable)
{
REG_FLD_MOD(hdmi_av_base(ip_data),
HDMI_CORE_AV_AUD_MODE, enable, 0, 0);
REG_FLD_MOD(hdmi_wp_base(ip_data),
HDMI_WP_AUDIO_CTRL, enable, 31, 31);
REG_FLD_MOD(hdmi_wp_base(ip_data),
HDMI_WP_AUDIO_CTRL, enable, 30, 30);
}
EXPORT_SYMBOL(hdmi_ti_4xxx_audio_enable);
static int __init hdmi_ti_4xxx_init(void)
{
return 0;
}
static void __exit hdmi_ti_4xxx_exit(void)
{
}
module_init(hdmi_ti_4xxx_init);
module_exit(hdmi_ti_4xxx_exit);
MODULE_AUTHOR("Texas Instruments");
MODULE_DESCRIPTION("hdmi_ti_4xxx_ip module");
MODULE_LICENSE("GPL");