diff options
Diffstat (limited to 'drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c')
| -rw-r--r-- | drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c | 1239 |
1 files changed, 1239 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c new file mode 100644 index 000000000000..e1a6ce518af6 --- /dev/null +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c @@ -0,0 +1,1239 @@ +/* + * ti_hdmi_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/interrupt.h> +#include <linux/mutex.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/seq_file.h> + +#include "ti_hdmi_4xxx_ip.h" +#include "dss.h" + +static inline void hdmi_write_reg(void __iomem *base_addr, + const u16 idx, u32 val) +{ + __raw_writel(val, base_addr + idx); +} + +static inline u32 hdmi_read_reg(void __iomem *base_addr, + const u16 idx) +{ + return __raw_readl(base_addr + idx); +} + +static inline void __iomem *hdmi_wp_base(struct hdmi_ip_data *ip_data) +{ + return ip_data->base_wp; +} + +static inline void __iomem *hdmi_phy_base(struct hdmi_ip_data *ip_data) +{ + return ip_data->base_wp + ip_data->phy_offset; +} + +static inline void __iomem *hdmi_pll_base(struct hdmi_ip_data *ip_data) +{ + return ip_data->base_wp + ip_data->pll_offset; +} + +static inline void __iomem *hdmi_av_base(struct hdmi_ip_data *ip_data) +{ + return ip_data->base_wp + ip_data->core_av_offset; +} + +static inline void __iomem *hdmi_core_sys_base(struct hdmi_ip_data *ip_data) +{ + return ip_data->base_wp + ip_data->core_sys_offset; +} + +static inline int hdmi_wait_for_bit_change(void __iomem *base_addr, + const u16 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) +{ + u32 r; + void __iomem *pll_base = hdmi_pll_base(ip_data); + struct hdmi_pll_info *fmt = &ip_data->pll_data; + + /* PLL start always use manual mode */ + REG_FLD_MOD(pll_base, PLLCTRL_PLL_CONTROL, 0x0, 0, 0); + + r = hdmi_read_reg(pll_base, PLLCTRL_CFG1); + r = FLD_MOD(r, fmt->regm, 20, 9); /* CFG1_PLL_REGM */ + r = FLD_MOD(r, fmt->regn - 1, 8, 1); /* CFG1_PLL_REGN */ + + hdmi_write_reg(pll_base, PLLCTRL_CFG1, r); + + r = hdmi_read_reg(pll_base, 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 */ + r = FLD_MOD(r, fmt->refsel, 22, 21); /* REFSEL */ + + if (fmt->dcofreq) { + /* divider programming for frequency beyond 1000Mhz */ + REG_FLD_MOD(pll_base, PLLCTRL_CFG3, fmt->regsd, 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(pll_base, PLLCTRL_CFG2, r); + + r = hdmi_read_reg(pll_base, PLLCTRL_CFG4); + r = FLD_MOD(r, fmt->regm2, 24, 18); + r = FLD_MOD(r, fmt->regmf, 17, 0); + + hdmi_write_reg(pll_base, PLLCTRL_CFG4, r); + + /* go now */ + REG_FLD_MOD(pll_base, PLLCTRL_PLL_GO, 0x1, 0, 0); + + /* wait for bit change */ + if (hdmi_wait_for_bit_change(pll_base, 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(pll_base, + PLLCTRL_PLL_STATUS, 1, 1, 1) != 1) { + pr_err("cannot lock PLL\n"); + pr_err("CFG1 0x%x\n", + hdmi_read_reg(pll_base, PLLCTRL_CFG1)); + pr_err("CFG2 0x%x\n", + hdmi_read_reg(pll_base, PLLCTRL_CFG2)); + pr_err("CFG4 0x%x\n", + hdmi_read_reg(pll_base, PLLCTRL_CFG4)); + return -ETIMEDOUT; + } + + pr_debug("PLL locked!\n"); + + return 0; +} + +/* PHY_PWR_CMD */ +static int hdmi_set_phy_pwr(struct hdmi_ip_data *ip_data, enum hdmi_phy_pwr val) +{ + /* 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 */ +static int hdmi_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; +} + +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 ti_hdmi_4xxx_pll_enable(struct hdmi_ip_data *ip_data) +{ + u16 r = 0; + + r = hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF); + if (r) + return r; + + r = hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_BOTHON_ALLCLKS); + if (r) + return r; + + r = hdmi_pll_reset(ip_data); + if (r) + return r; + + r = hdmi_pll_init(ip_data); + if (r) + return r; + + return 0; +} + +void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data) +{ + hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF); +} + +int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data) +{ + u16 r = 0; + void __iomem *phy_base = hdmi_phy_base(ip_data); + + r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_LDOON); + if (r) + return r; + + r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON); + 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(phy_base, 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(phy_base, HDMI_TXPHY_TX_CTRL, 0x1, 31, 30); + + /* Write to phy address 1 to start HDMI line (TXVALID and TMDSCLKEN) */ + hdmi_write_reg(phy_base, HDMI_TXPHY_DIGITAL_CTRL, 0xF0000000); + + /* Setup max LDO voltage */ + REG_FLD_MOD(phy_base, HDMI_TXPHY_POWER_CTRL, 0xB, 3, 0); + + /* Write to phy address 3 to change the polarity control */ + REG_FLD_MOD(phy_base, HDMI_TXPHY_PAD_CFG_CTRL, 0x1, 27, 27); + + return 0; +} + +void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data) +{ + hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF); +} + +static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data) +{ + void __iomem *base = hdmi_core_sys_base(ip_data); + + /* Turn on CLK for DDC */ + REG_FLD_MOD(base, HDMI_CORE_AV_DPD, 0x7, 2, 0); + + /* IN_PROG */ + if (REG_GET(base, HDMI_CORE_DDC_STATUS, 4, 4) == 1) { + /* Abort transaction */ + REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0xf, 3, 0); + /* IN_PROG */ + if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS, + 4, 4, 0) != 0) { + DSSERR("Timeout aborting DDC transaction\n"); + return -ETIMEDOUT; + } + } + + /* Clk SCL Devices */ + REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0xA, 3, 0); + + /* HDMI_CORE_DDC_STATUS_IN_PROG */ + if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS, + 4, 4, 0) != 0) { + DSSERR("Timeout starting SCL clock\n"); + return -ETIMEDOUT; + } + + /* Clear FIFO */ + REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x9, 3, 0); + + /* HDMI_CORE_DDC_STATUS_IN_PROG */ + if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS, + 4, 4, 0) != 0) { + DSSERR("Timeout clearing DDC fifo\n"); + return -ETIMEDOUT; + } + + return 0; +} + +static int hdmi_core_ddc_edid(struct hdmi_ip_data *ip_data, + u8 *pedid, int ext) +{ + void __iomem *base = hdmi_core_sys_base(ip_data); + u32 i; + char checksum; + u32 offset = 0; + + /* HDMI_CORE_DDC_STATUS_IN_PROG */ + if (hdmi_wait_for_bit_change(base, HDMI_CORE_DDC_STATUS, + 4, 4, 0) != 0) { + DSSERR("Timeout waiting DDC to be ready\n"); + return -ETIMEDOUT; + } + + if (ext % 2 != 0) + offset = 0x80; + + /* Load Segment Address Register */ + REG_FLD_MOD(base, HDMI_CORE_DDC_SEGM, ext / 2, 7, 0); + + /* Load Slave Address Register */ + REG_FLD_MOD(base, HDMI_CORE_DDC_ADDR, 0xA0 >> 1, 7, 1); + + /* Load Offset Address Register */ + REG_FLD_MOD(base, HDMI_CORE_DDC_OFFSET, offset, 7, 0); + + /* Load Byte Count */ + REG_FLD_MOD(base, HDMI_CORE_DDC_COUNT1, 0x80, 7, 0); + REG_FLD_MOD(base, HDMI_CORE_DDC_COUNT2, 0x0, 1, 0); + + /* Set DDC_CMD */ + if (ext) + REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x4, 3, 0); + else + REG_FLD_MOD(base, HDMI_CORE_DDC_CMD, 0x2, 3, 0); + + /* HDMI_CORE_DDC_STATUS_BUS_LOW */ + if (REG_GET(base, HDMI_CORE_DDC_STATUS, 6, 6) == 1) { + pr_err("I2C Bus Low?\n"); + return -EIO; + } + /* HDMI_CORE_DDC_STATUS_NO_ACK */ + if (REG_GET(base, HDMI_CORE_DDC_STATUS, 5, 5) == 1) { + pr_err("I2C No Ack\n"); + return -EIO; + } + + for (i = 0; i < 0x80; ++i) { + int t; + + /* IN_PROG */ + if (REG_GET(base, HDMI_CORE_DDC_STATUS, 4, 4) == 0) { + DSSERR("operation stopped when reading edid\n"); + return -EIO; + } + + t = 0; + /* FIFO_EMPTY */ + while (REG_GET(base, HDMI_CORE_DDC_STATUS, 2, 2) == 1) { + if (t++ > 10000) { + DSSERR("timeout reading edid\n"); + return -ETIMEDOUT; + } + udelay(1); + } + + pedid[i] = REG_GET(base, HDMI_CORE_DDC_DATA, 7, 0); + } + + checksum = 0; + for (i = 0; i < 0x80; ++i) + checksum += pedid[i]; + + if (checksum != 0) { + pr_err("E-EDID checksum failed!!\n"); + return -EIO; + } + + return 0; +} + +int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data, + u8 *edid, int len) +{ + int r, l; + + if (len < 128) + return -EINVAL; + + r = hdmi_core_ddc_init(ip_data); + if (r) + return r; + + r = hdmi_core_ddc_edid(ip_data, edid, 0); + if (r) + return r; + + l = 128; + + if (len >= 128 * 2 && edid[0x7e] > 0) { + r = hdmi_core_ddc_edid(ip_data, edid + 0x80, 1); + if (r) + return r; + l += 128; + } + + return l; +} + +bool ti_hdmi_4xxx_detect(struct hdmi_ip_data *ip_data) +{ + int r; + + void __iomem *base = hdmi_core_sys_base(ip_data); + + /* HPD */ + r = REG_GET(base, HDMI_CORE_SYS_SYS_STAT, 1, 1); + + return r == 1; +} + +static void hdmi_core_init(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 */ + 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; + 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; + void __iomem *core_sys_base = hdmi_core_sys_base(ip_data); + + /* sys_ctrl1 default configuration not tunable */ + r = hdmi_read_reg(core_sys_base, 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(core_sys_base, HDMI_CORE_CTRL1, r); + + REG_FLD_MOD(core_sys_base, + HDMI_CORE_SYS_VID_ACEN, cfg->ip_bus_width, 7, 6); + + /* Vid_Mode */ + r = hdmi_read_reg(core_sys_base, 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(core_sys_base, 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(core_sys_base, + 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; + void __iomem *av_base = hdmi_av_base(ip_data); + + sum += 0x82 + 0x002 + 0x00D; + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_TYPE, 0x082); + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_VERS, 0x002); + hdmi_write_reg(av_base, 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(av_base, 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(av_base, 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(av_base, HDMI_CORE_AV_AVI_DBYTE(2), val); + sum += val; + + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(3), + info_avi.db4_videocode); + sum += info_avi.db4_videocode; + + val = info_avi.db5_pixel_repeat; + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(4), val); + sum += val; + + val = info_avi.db6_7_line_eoftop & 0x00FF; + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(5), val); + sum += val; + + val = ((info_avi.db6_7_line_eoftop >> 8) & 0x00FF); + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(6), val); + sum += val; + + val = info_avi.db8_9_line_sofbottom & 0x00FF; + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(7), val); + sum += val; + + val = ((info_avi.db8_9_line_sofbottom >> 8) & 0x00FF); + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(8), val); + sum += val; + + val = info_avi.db10_11_pixel_eofleft & 0x00FF; + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(9), val); + sum += val; + + val = ((info_avi.db10_11_pixel_eofleft >> 8) & 0x00FF); + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(10), val); + sum += val; + + val = info_avi.db12_13_pixel_sofright & 0x00FF; + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(11), val); + sum += val; + + val = ((info_avi.db12_13_pixel_sofright >> 8) & 0x00FF); + hdmi_write_reg(av_base, HDMI_CORE_AV_AVI_DBYTE(12), val); + sum += val; + + checksum = 0x100 - sum; + hdmi_write_reg(av_base, 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 ti_hdmi_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); +} + +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.timings.y_res; + video_fmt->x_res = param->timings.timings.x_res; + + timings->hbp = param->timings.timings.hbp; + timings->hfp = param->timings.timings.hfp; + timings->hsw = param->timings.timings.hsw; + timings->vbp = param->timings.timings.vbp; + timings->vfp = param->timings.timings.vfp; + timings->vsw = param->timings.timings.vsw; +} + +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 ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data) +{ + /* 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; + struct hdmi_config *cfg = &ip_data->cfg; + + hdmi_wp_init(&video_timing, &video_format, + &video_interface); + + hdmi_core_init(&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.vsync_pol; + video_interface.hsp = cfg->timings.hsync_pol; + video_interface.interlacing = cfg->interlace; + 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; + 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); +} + +void ti_hdmi_4xxx_wp_dump(struct hdmi_ip_data *ip_data, struct seq_file *s) +{ +#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r,\ + hdmi_read_reg(hdmi_wp_base(ip_data), r)) + + DUMPREG(HDMI_WP_REVISION); + DUMPREG(HDMI_WP_SYSCONFIG); + DUMPREG(HDMI_WP_IRQSTATUS_RAW); + DUMPREG(HDMI_WP_IRQSTATUS); + DUMPREG(HDMI_WP_PWR_CTRL); + DUMPREG(HDMI_WP_IRQENABLE_SET); + DUMPREG(HDMI_WP_VIDEO_CFG); + DUMPREG(HDMI_WP_VIDEO_SIZE); + DUMPREG(HDMI_WP_VIDEO_TIMING_H); + DUMPREG(HDMI_WP_VIDEO_TIMING_V); + DUMPREG(HDMI_WP_WP_CLK); + DUMPREG(HDMI_WP_AUDIO_CFG); + DUMPREG(HDMI_WP_AUDIO_CFG2); + DUMPREG(HDMI_WP_AUDIO_CTRL); + DUMPREG(HDMI_WP_AUDIO_DATA); +} + +void ti_hdmi_4xxx_pll_dump(struct hdmi_ip_data *ip_data, struct seq_file *s) +{ +#define DUMPPLL(r) seq_printf(s, "%-35s %08x\n", #r,\ + hdmi_read_reg(hdmi_pll_base(ip_data), r)) + + DUMPPLL(PLLCTRL_PLL_CONTROL); + DUMPPLL(PLLCTRL_PLL_STATUS); + DUMPPLL(PLLCTRL_PLL_GO); + DUMPPLL(PLLCTRL_CFG1); + DUMPPLL(PLLCTRL_CFG2); + DUMPPLL(PLLCTRL_CFG3); + DUMPPLL(PLLCTRL_CFG4); +} + +void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s) +{ + int i; + +#define CORE_REG(i, name) name(i) +#define DUMPCORE(r) seq_printf(s, "%-35s %08x\n", #r,\ + hdmi_read_reg(hdmi_pll_base(ip_data), r)) +#define DUMPCOREAV(i, r) seq_printf(s, "%s[%d]%*s %08x\n", #r, i, \ + (i < 10) ? 32 - strlen(#r) : 31 - strlen(#r), " ", \ + hdmi_read_reg(hdmi_pll_base(ip_data), CORE_REG(i, r))) + + DUMPCORE(HDMI_CORE_SYS_VND_IDL); + DUMPCORE(HDMI_CORE_SYS_DEV_IDL); + DUMPCORE(HDMI_CORE_SYS_DEV_IDH); + DUMPCORE(HDMI_CORE_SYS_DEV_REV); + DUMPCORE(HDMI_CORE_SYS_SRST); + DUMPCORE(HDMI_CORE_CTRL1); + DUMPCORE(HDMI_CORE_SYS_SYS_STAT); + DUMPCORE(HDMI_CORE_SYS_VID_ACEN); + DUMPCORE(HDMI_CORE_SYS_VID_MODE); + DUMPCORE(HDMI_CORE_SYS_INTR_STATE); + DUMPCORE(HDMI_CORE_SYS_INTR1); + DUMPCORE(HDMI_CORE_SYS_INTR2); + DUMPCORE(HDMI_CORE_SYS_INTR3); + DUMPCORE(HDMI_CORE_SYS_INTR4); + DUMPCORE(HDMI_CORE_SYS_UMASK1); + DUMPCORE(HDMI_CORE_SYS_TMDS_CTRL); + DUMPCORE(HDMI_CORE_SYS_DE_DLY); + DUMPCORE(HDMI_CORE_SYS_DE_CTRL); + DUMPCORE(HDMI_CORE_SYS_DE_TOP); + DUMPCORE(HDMI_CORE_SYS_DE_CNTL); + DUMPCORE(HDMI_CORE_SYS_DE_CNTH); + DUMPCORE(HDMI_CORE_SYS_DE_LINL); + DUMPCORE(HDMI_CORE_SYS_DE_LINH_1); + + DUMPCORE(HDMI_CORE_DDC_CMD); + DUMPCORE(HDMI_CORE_DDC_STATUS); + DUMPCORE(HDMI_CORE_DDC_ADDR); + DUMPCORE(HDMI_CORE_DDC_OFFSET); + DUMPCORE(HDMI_CORE_DDC_COUNT1); + DUMPCORE(HDMI_CORE_DDC_COUNT2); + DUMPCORE(HDMI_CORE_DDC_DATA); + DUMPCORE(HDMI_CORE_DDC_SEGM); + + DUMPCORE(HDMI_CORE_AV_HDMI_CTRL); + DUMPCORE(HDMI_CORE_AV_DPD); + DUMPCORE(HDMI_CORE_AV_PB_CTRL1); + DUMPCORE(HDMI_CORE_AV_PB_CTRL2); + DUMPCORE(HDMI_CORE_AV_AVI_TYPE); + DUMPCORE(HDMI_CORE_AV_AVI_VERS); + DUMPCORE(HDMI_CORE_AV_AVI_LEN); + DUMPCORE(HDMI_CORE_AV_AVI_CHSUM); + + for (i = 0; i < HDMI_CORE_AV_AVI_DBYTE_NELEMS; i++) + DUMPCOREAV(i, HDMI_CORE_AV_AVI_DBYTE); + + for (i = 0; i < HDMI_CORE_AV_SPD_DBYTE_NELEMS; i++) + DUMPCOREAV(i, HDMI_CORE_AV_SPD_DBYTE); + + for (i = 0; i < HDMI_CORE_AV_AUD_DBYTE_NELEMS; i++) + DUMPCOREAV(i, HDMI_CORE_AV_AUD_DBYTE); + + for (i = 0; i < HDMI_CORE_AV_MPEG_DBYTE_NELEMS; i++) + DUMPCOREAV(i, HDMI_CORE_AV_MPEG_DBYTE); + + for (i = 0; i < HDMI_CORE_AV_GEN_DBYTE_NELEMS; i++) + DUMPCOREAV(i, HDMI_CORE_AV_GEN_DBYTE); + + for (i = 0; i < HDMI_CORE_AV_GEN2_DBYTE_NELEMS; i++) + DUMPCOREAV(i, HDMI_CORE_AV_GEN2_DBYTE); + + DUMPCORE(HDMI_CORE_AV_ACR_CTRL); + DUMPCORE(HDMI_CORE_AV_FREQ_SVAL); + DUMPCORE(HDMI_CORE_AV_N_SVAL1); + DUMPCORE(HDMI_CORE_AV_N_SVAL2); + DUMPCORE(HDMI_CORE_AV_N_SVAL3); + DUMPCORE(HDMI_CORE_AV_CTS_SVAL1); + DUMPCORE(HDMI_CORE_AV_CTS_SVAL2); + DUMPCORE(HDMI_CORE_AV_CTS_SVAL3); + DUMPCORE(HDMI_CORE_AV_CTS_HVAL1); + DUMPCORE(HDMI_CORE_AV_CTS_HVAL2); + DUMPCORE(HDMI_CORE_AV_CTS_HVAL3); + DUMPCORE(HDMI_CORE_AV_AUD_MODE); + DUMPCORE(HDMI_CORE_AV_SPDIF_CTRL); + DUMPCORE(HDMI_CORE_AV_HW_SPDIF_FS); + DUMPCORE(HDMI_CORE_AV_SWAP_I2S); + DUMPCORE(HDMI_CORE_AV_SPDIF_ERTH); + DUMPCORE(HDMI_CORE_AV_I2S_IN_MAP); + DUMPCORE(HDMI_CORE_AV_I2S_IN_CTRL); + DUMPCORE(HDMI_CORE_AV_I2S_CHST0); + DUMPCORE(HDMI_CORE_AV_I2S_CHST1); + DUMPCORE(HDMI_CORE_AV_I2S_CHST2); + DUMPCORE(HDMI_CORE_AV_I2S_CHST4); + DUMPCORE(HDMI_CORE_AV_I2S_CHST5); + DUMPCORE(HDMI_CORE_AV_ASRC); + DUMPCORE(HDMI_CORE_AV_I2S_IN_LEN); + DUMPCORE(HDMI_CORE_AV_HDMI_CTRL); + DUMPCORE(HDMI_CORE_AV_AUDO_TXSTAT); + DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_1); + DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_2); + DUMPCORE(HDMI_CORE_AV_AUD_PAR_BUSCLK_3); + DUMPCORE(HDMI_CORE_AV_TEST_TXCTRL); + DUMPCORE(HDMI_CORE_AV_DPD); + DUMPCORE(HDMI_CORE_AV_PB_CTRL1); + DUMPCORE(HDMI_CORE_AV_PB_CTRL2); + DUMPCORE(HDMI_CORE_AV_AVI_TYPE); + DUMPCORE(HDMI_CORE_AV_AVI_VERS); + DUMPCORE(HDMI_CORE_AV_AVI_LEN); + DUMPCORE(HDMI_CORE_AV_AVI_CHSUM); + DUMPCORE(HDMI_CORE_AV_SPD_TYPE); + DUMPCORE(HDMI_CORE_AV_SPD_VERS); + DUMPCORE(HDMI_CORE_AV_SPD_LEN); + DUMPCORE(HDMI_CORE_AV_SPD_CHSUM); + DUMPCORE(HDMI_CORE_AV_AUDIO_TYPE); + DUMPCORE(HDMI_CORE_AV_AUDIO_VERS); + DUMPCORE(HDMI_CORE_AV_AUDIO_LEN); + DUMPCORE(HDMI_CORE_AV_AUDIO_CHSUM); + DUMPCORE(HDMI_CORE_AV_MPEG_TYPE); + DUMPCORE(HDMI_CORE_AV_MPEG_VERS); + DUMPCORE(HDMI_CORE_AV_MPEG_LEN); + DUMPCORE(HDMI_CORE_AV_MPEG_CHSUM); + DUMPCORE(HDMI_CORE_AV_CP_BYTE1); + DUMPCORE(HDMI_CORE_AV_CEC_ADDR_ID); +} + +void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s) +{ +#define DUMPPHY(r) seq_printf(s, "%-35s %08x\n", #r,\ + hdmi_read_reg(hdmi_phy_base(ip_data), r)) + + DUMPPHY(HDMI_TXPHY_TX_CTRL); + DUMPPHY(HDMI_TXPHY_DIGITAL_CTRL); + DUMPPHY(HDMI_TXPHY_POWER_CTRL); + DUMPPHY(HDMI_TXPHY_PAD_CFG_CTRL); +} + +#if defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) || \ + defined(CONFIG_SND_OMAP_SOC_OMAP4_HDMI_MODULE) +void hdmi_wp_audio_config_format(struct hdmi_ip_data *ip_data, + struct hdmi_audio_format *aud_fmt) +{ + u32 r; + + DSSDBG("Enter hdmi_wp_audio_config_format\n"); + + 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); +} + +void hdmi_wp_audio_config_dma(struct hdmi_ip_data *ip_data, + struct hdmi_audio_dma *aud_dma) +{ + u32 r; + + DSSDBG("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); +} + +void hdmi_core_audio_config(struct hdmi_ip_data *ip_data, + struct hdmi_core_audio_config *cfg) +{ + u32 r; + void __iomem *av_base = hdmi_av_base(ip_data); + + /* audio clock recovery parameters */ + r = hdmi_read_reg(av_base, HDMI_CORE_AV_ACR_CTRL); + r = FLD_MOD(r, cfg->use_mclk, 2, 2); + r = FLD_MOD(r, cfg->en_acr_pkt, 1, 1); + r = FLD_MOD(r, cfg->cts_mode, 0, 0); + hdmi_write_reg(av_base, HDMI_CORE_AV_ACR_CTRL, r); + + REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL1, cfg->n, 7, 0); + REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL2, cfg->n >> 8, 7, 0); + REG_FLD_MOD(av_base, HDMI_CORE_AV_N_SVAL3, cfg->n >> 16, 7, 0); + + if (cfg->cts_mode == HDMI_AUDIO_CTS_MODE_SW) { + REG_FLD_MOD(av_base, HDMI_CORE_AV_CTS_SVAL1, cfg->cts, 7, 0); + REG_FLD_MOD(av_base, + HDMI_CORE_AV_CTS_SVAL2, cfg->cts >> 8, 7, 0); + REG_FLD_MOD(av_base, + HDMI_CORE_AV_CTS_SVAL3, cfg->cts >> 16, 7, 0); + } else { + /* + * HDMI IP uses this configuration to divide the MCLK to + * update CTS value. + */ + REG_FLD_MOD(av_base, + HDMI_CORE_AV_FREQ_SVAL, cfg->mclk_mode, 2, 0); + + /* Configure clock for audio packets */ + REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_1, + cfg->aud_par_busclk, 7, 0); + REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_2, + (cfg->aud_par_busclk >> 8), 7, 0); + REG_FLD_MOD(av_base, HDMI_CORE_AV_AUD_PAR_BUSCLK_3, + (cfg->aud_par_busclk >> 16), 7, 0); + } + + /* Override of SPDIF sample frequency with value in I2S_CHST4 */ + REG_FLD_MOD(av_base, HDMI_CORE_AV_SPDIF_CTRL, + cfg->fs_override, 1, 1); + + /* I2S parameters */ + REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_CHST4, + cfg->freq_sample, 3, 0); + + r = hdmi_read_reg(av_base, 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(av_base, HDMI_CORE_AV_I2S_IN_CTRL, r); + + r = hdmi_read_reg(av_base, 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(av_base, HDMI_CORE_AV_I2S_CHST5, r); + + REG_FLD_MOD(av_base, HDMI_CORE_AV_I2S_IN_LEN, + cfg->i2s_cfg.in_length_bits, 3, 0); + + /* Audio channels and mode parameters */ + REG_FLD_MOD(av_base, HDMI_CORE_AV_HDMI_CTRL, cfg->layout, 2, 1); + r = hdmi_read_reg(av_base, 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(av_base, HDMI_CORE_AV_AUD_MODE, r); +} + +void hdmi_core_audio_infoframe_config(struct hdmi_ip_data *ip_data, + struct hdmi_core_infoframe_audio *info_aud) +{ + u8 val; + u8 sum = 0, checksum = 0; + void __iomem *av_base = hdmi_av_base(ip_data); + + /* + * 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(av_base, HDMI_CORE_AV_AUDIO_TYPE, 0x84); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUDIO_VERS, 0x01); + hdmi_write_reg(av_base, 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(av_base, HDMI_CORE_AV_AUD_DBYTE(0), val); + sum += val; + + val = (info_aud->db2_sample_freq << 2) | info_aud->db2_sample_size; + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(1), val); + sum += val; + + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(2), 0x00); + + val = info_aud->db4_channel_alloc; + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(3), val); + sum += val; + + val = (info_aud->db5_downmix_inh << 7) | (info_aud->db5_lsv << 3); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(4), val); + sum += val; + + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(5), 0x00); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(6), 0x00); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(7), 0x00); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(8), 0x00); + hdmi_write_reg(av_base, HDMI_CORE_AV_AUD_DBYTE(9), 0x00); + + checksum = 0x100 - sum; + hdmi_write_reg(av_base, + HDMI_CORE_AV_AUDIO_CHSUM, checksum); + + /* + * TODO: Add MPEG and SPD enable and repeat cfg when EDID parsing + * is available. + */ +} + +int hdmi_config_audio_acr(struct hdmi_ip_data *ip_data, + u32 sample_freq, u32 *n, u32 *cts) +{ + u32 r; + u32 deep_color = 0; + u32 pclk = ip_data->cfg.timings.timings.pixel_clock; + + 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; +} + +int hdmi_audio_trigger(struct hdmi_ip_data *ip_data, + struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + int err = 0; + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + REG_FLD_MOD(hdmi_av_base(ip_data), + HDMI_CORE_AV_AUD_MODE, 1, 0, 0); + REG_FLD_MOD(hdmi_wp_base(ip_data), + HDMI_WP_AUDIO_CTRL, 1, 31, 31); + REG_FLD_MOD(hdmi_wp_base(ip_data), + HDMI_WP_AUDIO_CTRL, 1, 30, 30); + break; + + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + REG_FLD_MOD(hdmi_av_base(ip_data), + HDMI_CORE_AV_AUD_MODE, 0, 0, 0); + REG_FLD_MOD(hdmi_wp_base(ip_data), + HDMI_WP_AUDIO_CTRL, 0, 30, 30); + REG_FLD_MOD(hdmi_wp_base(ip_data), + HDMI_WP_AUDIO_CTRL, 0, 31, 31); + break; + default: + err = -EINVAL; + } + return err; +} +#endif |