Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Wang Huan | 183aa10 | 2014-09-05 13:52:49 +0800 | [diff] [blame] | 2 | /* |
| 3 | * Copyright 2014 Freescale Semiconductor, Inc. |
Biwen Li | d15aa9f | 2019-12-31 15:33:44 +0800 | [diff] [blame] | 4 | * Copyright 2019 NXP |
Wang Huan | 183aa10 | 2014-09-05 13:52:49 +0800 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #include <asm/io.h> |
| 8 | #include <common.h> |
| 9 | #include <fsl_dcu_fb.h> |
| 10 | #include <i2c.h> |
| 11 | #include <linux/fb.h> |
| 12 | |
| 13 | #define PIXEL_CLK_LSB_REG 0x00 |
| 14 | #define PIXEL_CLK_MSB_REG 0x01 |
| 15 | #define VERT_FREQ_LSB_REG 0x02 |
| 16 | #define VERT_FREQ_MSB_REG 0x03 |
| 17 | #define TOTAL_PIXELS_LSB_REG 0x04 |
| 18 | #define TOTAL_PIXELS_MSB_REG 0x05 |
| 19 | #define TOTAL_LINES_LSB_REG 0x06 |
| 20 | #define TOTAL_LINES_MSB_REG 0x07 |
| 21 | #define TPI_INBUS_FMT_REG 0x08 |
| 22 | #define TPI_INPUT_FMT_REG 0x09 |
| 23 | #define TPI_OUTPUT_FMT_REG 0x0A |
| 24 | #define TPI_SYS_CTRL_REG 0x1A |
| 25 | #define TPI_PWR_STAT_REG 0x1E |
| 26 | #define TPI_AUDIO_HANDING_REG 0x25 |
| 27 | #define TPI_AUDIO_INTF_REG 0x26 |
| 28 | #define TPI_AUDIO_FREQ_REG 0x27 |
| 29 | #define TPI_SET_PAGE_REG 0xBC |
| 30 | #define TPI_SET_OFFSET_REG 0xBD |
| 31 | #define TPI_RW_ACCESS_REG 0xBE |
| 32 | #define TPI_TRANS_MODE_REG 0xC7 |
| 33 | |
| 34 | #define TPI_INBUS_CLOCK_RATIO_1 (1 << 6) |
| 35 | #define TPI_INBUS_FULL_PIXEL_WIDE (1 << 5) |
| 36 | #define TPI_INBUS_RISING_EDGE (1 << 4) |
| 37 | #define TPI_INPUT_CLR_DEPTH_8BIT (0 << 6) |
| 38 | #define TPI_INPUT_VRANGE_EXPAN_AUTO (0 << 2) |
| 39 | #define TPI_INPUT_CLR_RGB (0 << 0) |
| 40 | #define TPI_OUTPUT_CLR_DEPTH_8BIT (0 << 6) |
| 41 | #define TPI_OUTPUT_VRANGE_COMPRE_AUTO (0 << 2) |
| 42 | #define TPI_OUTPUT_CLR_HDMI_RGB (0 << 0) |
| 43 | #define TPI_SYS_TMDS_OUTPUT (0 << 4) |
| 44 | #define TPI_SYS_AV_NORAML (0 << 3) |
| 45 | #define TPI_SYS_AV_MUTE (1 << 3) |
| 46 | #define TPI_SYS_DVI_MODE (0 << 0) |
| 47 | #define TPI_SYS_HDMI_MODE (1 << 0) |
| 48 | #define TPI_PWR_STAT_MASK (3 << 0) |
| 49 | #define TPI_PWR_STAT_D0 (0 << 0) |
| 50 | #define TPI_AUDIO_PASS_BASIC (0 << 0) |
| 51 | #define TPI_AUDIO_INTF_I2S (2 << 6) |
| 52 | #define TPI_AUDIO_INTF_NORMAL (0 << 4) |
| 53 | #define TPI_AUDIO_TYPE_PCM (1 << 0) |
| 54 | #define TPI_AUDIO_SAMP_SIZE_16BIT (1 << 6) |
| 55 | #define TPI_AUDIO_SAMP_FREQ_44K (2 << 3) |
| 56 | #define TPI_SET_PAGE_SII9022A 0x01 |
| 57 | #define TPI_SET_OFFSET_SII9022A 0x82 |
| 58 | #define TPI_RW_EN_SRC_TERMIN (1 << 0) |
| 59 | #define TPI_TRANS_MODE_ENABLE (0 << 7) |
| 60 | |
| 61 | /* Programming of Silicon SIi9022a HDMI Transmitter */ |
| 62 | int dcu_set_dvi_encoder(struct fb_videomode *videomode) |
| 63 | { |
| 64 | u8 temp; |
| 65 | u16 temp1, temp2; |
| 66 | u32 temp3; |
Biwen Li | d15aa9f | 2019-12-31 15:33:44 +0800 | [diff] [blame] | 67 | #ifdef CONFIG_DM_I2C |
| 68 | struct udevice *dev; |
| 69 | int ret; |
Wang Huan | 183aa10 | 2014-09-05 13:52:49 +0800 | [diff] [blame] | 70 | |
Biwen Li | d15aa9f | 2019-12-31 15:33:44 +0800 | [diff] [blame] | 71 | ret = i2c_get_chip_for_busnum(CONFIG_SYS_I2C_DVI_BUS_NUM, |
| 72 | CONFIG_SYS_I2C_DVI_ADDR, |
| 73 | 1, &dev); |
| 74 | if (ret) { |
| 75 | printf("%s: Cannot find udev for a bus %d\n", __func__, |
| 76 | CONFIG_SYS_I2C_DVI_BUS_NUM); |
| 77 | return ret; |
| 78 | } |
| 79 | |
| 80 | /* Enable TPI transmitter mode */ |
| 81 | temp = TPI_TRANS_MODE_ENABLE; |
| 82 | dm_i2c_write(dev, TPI_TRANS_MODE_REG, &temp, 1); |
| 83 | |
| 84 | /* Enter into D0 state, full operation */ |
| 85 | dm_i2c_read(dev, TPI_PWR_STAT_REG, &temp, 1); |
| 86 | temp &= ~TPI_PWR_STAT_MASK; |
| 87 | temp |= TPI_PWR_STAT_D0; |
| 88 | dm_i2c_write(dev, TPI_PWR_STAT_REG, &temp, 1); |
| 89 | |
| 90 | /* Enable source termination */ |
| 91 | temp = TPI_SET_PAGE_SII9022A; |
| 92 | dm_i2c_write(dev, TPI_SET_PAGE_REG, &temp, 1); |
| 93 | temp = TPI_SET_OFFSET_SII9022A; |
| 94 | dm_i2c_write(dev, TPI_SET_OFFSET_REG, &temp, 1); |
| 95 | |
| 96 | dm_i2c_read(dev, TPI_RW_ACCESS_REG, &temp, 1); |
| 97 | temp |= TPI_RW_EN_SRC_TERMIN; |
| 98 | dm_i2c_write(dev, TPI_RW_ACCESS_REG, &temp, 1); |
| 99 | |
| 100 | /* Set TPI system control */ |
| 101 | temp = TPI_SYS_TMDS_OUTPUT | TPI_SYS_AV_NORAML | TPI_SYS_DVI_MODE; |
| 102 | dm_i2c_write(dev, TPI_SYS_CTRL_REG, &temp, 1); |
| 103 | |
| 104 | /* Set pixel clock */ |
| 105 | temp1 = PICOS2KHZ(videomode->pixclock) / 10; |
| 106 | temp = (u8)(temp1 & 0xFF); |
| 107 | dm_i2c_write(dev, PIXEL_CLK_LSB_REG, &temp, 1); |
| 108 | temp = (u8)(temp1 >> 8); |
| 109 | dm_i2c_write(dev, PIXEL_CLK_MSB_REG, &temp, 1); |
| 110 | |
| 111 | /* Set total pixels per line */ |
| 112 | temp1 = videomode->hsync_len + videomode->left_margin + |
| 113 | videomode->xres + videomode->right_margin; |
| 114 | temp = (u8)(temp1 & 0xFF); |
| 115 | dm_i2c_write(dev, TOTAL_PIXELS_LSB_REG, &temp, 1); |
| 116 | temp = (u8)(temp1 >> 8); |
| 117 | dm_i2c_write(dev, TOTAL_PIXELS_MSB_REG, &temp, 1); |
| 118 | |
| 119 | /* Set total lines */ |
| 120 | temp2 = videomode->vsync_len + videomode->upper_margin + |
| 121 | videomode->yres + videomode->lower_margin; |
| 122 | temp = (u8)(temp2 & 0xFF); |
| 123 | dm_i2c_write(dev, TOTAL_LINES_LSB_REG, &temp, 1); |
| 124 | temp = (u8)(temp2 >> 8); |
| 125 | dm_i2c_write(dev, TOTAL_LINES_MSB_REG, &temp, 1); |
| 126 | |
| 127 | /* Set vertical frequency in Hz */ |
| 128 | temp3 = temp1 * temp2; |
| 129 | temp3 = (PICOS2KHZ(videomode->pixclock) * 1000) / temp3; |
| 130 | temp1 = (u16)temp3 * 100; |
| 131 | temp = (u8)(temp1 & 0xFF); |
| 132 | dm_i2c_write(dev, VERT_FREQ_LSB_REG, &temp, 1); |
| 133 | temp = (u8)(temp1 >> 8); |
| 134 | dm_i2c_write(dev, VERT_FREQ_MSB_REG, &temp, 1); |
| 135 | |
| 136 | /* Set TPI input bus and pixel repetition data */ |
| 137 | temp = TPI_INBUS_CLOCK_RATIO_1 | TPI_INBUS_FULL_PIXEL_WIDE | |
| 138 | TPI_INBUS_RISING_EDGE; |
| 139 | dm_i2c_write(dev, TPI_INBUS_FMT_REG, &temp, 1); |
| 140 | |
| 141 | /* Set TPI AVI Input format data */ |
| 142 | temp = TPI_INPUT_CLR_DEPTH_8BIT | TPI_INPUT_VRANGE_EXPAN_AUTO | |
| 143 | TPI_INPUT_CLR_RGB; |
| 144 | dm_i2c_write(dev, TPI_INPUT_FMT_REG, &temp, 1); |
| 145 | |
| 146 | /* Set TPI AVI Output format data */ |
| 147 | temp = TPI_OUTPUT_CLR_DEPTH_8BIT | TPI_OUTPUT_VRANGE_COMPRE_AUTO | |
| 148 | TPI_OUTPUT_CLR_HDMI_RGB; |
| 149 | dm_i2c_write(dev, TPI_OUTPUT_FMT_REG, &temp, 1); |
| 150 | |
| 151 | /* Set TPI audio configuration write data */ |
| 152 | temp = TPI_AUDIO_PASS_BASIC; |
| 153 | dm_i2c_write(dev, TPI_AUDIO_HANDING_REG, &temp, 1); |
| 154 | |
| 155 | temp = TPI_AUDIO_INTF_I2S | TPI_AUDIO_INTF_NORMAL | |
| 156 | TPI_AUDIO_TYPE_PCM; |
| 157 | dm_i2c_write(dev, TPI_AUDIO_INTF_REG, &temp, 1); |
| 158 | |
| 159 | temp = TPI_AUDIO_SAMP_SIZE_16BIT | TPI_AUDIO_SAMP_FREQ_44K; |
| 160 | dm_i2c_write(dev, TPI_AUDIO_FREQ_REG, &temp, 1); |
| 161 | #else |
Wang Huan | 183aa10 | 2014-09-05 13:52:49 +0800 | [diff] [blame] | 162 | i2c_set_bus_num(CONFIG_SYS_I2C_DVI_BUS_NUM); |
| 163 | |
| 164 | /* Enable TPI transmitter mode */ |
| 165 | temp = TPI_TRANS_MODE_ENABLE; |
| 166 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_TRANS_MODE_REG, 1, &temp, 1); |
| 167 | |
| 168 | /* Enter into D0 state, full operation */ |
| 169 | i2c_read(CONFIG_SYS_I2C_DVI_ADDR, TPI_PWR_STAT_REG, 1, &temp, 1); |
| 170 | temp &= ~TPI_PWR_STAT_MASK; |
| 171 | temp |= TPI_PWR_STAT_D0; |
| 172 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_PWR_STAT_REG, 1, &temp, 1); |
| 173 | |
| 174 | /* Enable source termination */ |
| 175 | temp = TPI_SET_PAGE_SII9022A; |
| 176 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_SET_PAGE_REG, 1, &temp, 1); |
| 177 | temp = TPI_SET_OFFSET_SII9022A; |
| 178 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_SET_OFFSET_REG, 1, &temp, 1); |
| 179 | |
| 180 | i2c_read(CONFIG_SYS_I2C_DVI_ADDR, TPI_RW_ACCESS_REG, 1, &temp, 1); |
| 181 | temp |= TPI_RW_EN_SRC_TERMIN; |
| 182 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_RW_ACCESS_REG, 1, &temp, 1); |
| 183 | |
| 184 | /* Set TPI system control */ |
| 185 | temp = TPI_SYS_TMDS_OUTPUT | TPI_SYS_AV_NORAML | TPI_SYS_DVI_MODE; |
| 186 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_SYS_CTRL_REG, 1, &temp, 1); |
| 187 | |
| 188 | /* Set pixel clock */ |
| 189 | temp1 = PICOS2KHZ(videomode->pixclock) / 10; |
| 190 | temp = (u8)(temp1 & 0xFF); |
| 191 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, PIXEL_CLK_LSB_REG, 1, &temp, 1); |
| 192 | temp = (u8)(temp1 >> 8); |
| 193 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, PIXEL_CLK_MSB_REG, 1, &temp, 1); |
| 194 | |
| 195 | /* Set total pixels per line */ |
| 196 | temp1 = videomode->hsync_len + videomode->left_margin + |
| 197 | videomode->xres + videomode->right_margin; |
| 198 | temp = (u8)(temp1 & 0xFF); |
| 199 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TOTAL_PIXELS_LSB_REG, 1, &temp, 1); |
| 200 | temp = (u8)(temp1 >> 8); |
| 201 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TOTAL_PIXELS_MSB_REG, 1, &temp, 1); |
| 202 | |
| 203 | /* Set total lines */ |
| 204 | temp2 = videomode->vsync_len + videomode->upper_margin + |
| 205 | videomode->yres + videomode->lower_margin; |
| 206 | temp = (u8)(temp2 & 0xFF); |
| 207 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TOTAL_LINES_LSB_REG, 1, &temp, 1); |
| 208 | temp = (u8)(temp2 >> 8); |
| 209 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TOTAL_LINES_MSB_REG, 1, &temp, 1); |
| 210 | |
| 211 | /* Set vertical frequency in Hz */ |
| 212 | temp3 = temp1 * temp2; |
| 213 | temp3 = (PICOS2KHZ(videomode->pixclock) * 1000) / temp3; |
| 214 | temp1 = (u16)temp3 * 100; |
| 215 | temp = (u8)(temp1 & 0xFF); |
| 216 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, VERT_FREQ_LSB_REG, 1, &temp, 1); |
| 217 | temp = (u8)(temp1 >> 8); |
| 218 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, VERT_FREQ_MSB_REG, 1, &temp, 1); |
| 219 | |
| 220 | /* Set TPI input bus and pixel repetition data */ |
| 221 | temp = TPI_INBUS_CLOCK_RATIO_1 | TPI_INBUS_FULL_PIXEL_WIDE | |
| 222 | TPI_INBUS_RISING_EDGE; |
| 223 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_INBUS_FMT_REG, 1, &temp, 1); |
| 224 | |
| 225 | /* Set TPI AVI Input format data */ |
| 226 | temp = TPI_INPUT_CLR_DEPTH_8BIT | TPI_INPUT_VRANGE_EXPAN_AUTO | |
| 227 | TPI_INPUT_CLR_RGB; |
| 228 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_INPUT_FMT_REG, 1, &temp, 1); |
| 229 | |
| 230 | /* Set TPI AVI Output format data */ |
| 231 | temp = TPI_OUTPUT_CLR_DEPTH_8BIT | TPI_OUTPUT_VRANGE_COMPRE_AUTO | |
| 232 | TPI_OUTPUT_CLR_HDMI_RGB; |
| 233 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_OUTPUT_FMT_REG, 1, &temp, 1); |
| 234 | |
| 235 | /* Set TPI audio configuration write data */ |
| 236 | temp = TPI_AUDIO_PASS_BASIC; |
| 237 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_AUDIO_HANDING_REG, 1, &temp, 1); |
| 238 | |
| 239 | temp = TPI_AUDIO_INTF_I2S | TPI_AUDIO_INTF_NORMAL | |
| 240 | TPI_AUDIO_TYPE_PCM; |
| 241 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_AUDIO_INTF_REG, 1, &temp, 1); |
| 242 | |
| 243 | temp = TPI_AUDIO_SAMP_SIZE_16BIT | TPI_AUDIO_SAMP_FREQ_44K; |
| 244 | i2c_write(CONFIG_SYS_I2C_DVI_ADDR, TPI_AUDIO_FREQ_REG, 1, &temp, 1); |
Biwen Li | d15aa9f | 2019-12-31 15:33:44 +0800 | [diff] [blame] | 245 | #endif |
Wang Huan | 183aa10 | 2014-09-05 13:52:49 +0800 | [diff] [blame] | 246 | |
| 247 | return 0; |
| 248 | } |