Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions |
| 5 | * are met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer in |
| 10 | * the documentation and/or other materials provided with the |
| 11 | * distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 19 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 20 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 22 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| 23 | * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 24 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 26 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include <debug.h> |
| 31 | #include <smem.h> |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 32 | #include <err.h> |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 33 | #include <msm_panel.h> |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 34 | #include <mipi_dsi.h> |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 35 | #include <pm8x41.h> |
| 36 | #include <pm8x41_wled.h> |
| 37 | #include <board.h> |
| 38 | #include <mdp5.h> |
Casey Piper | 8ac505c | 2013-09-05 15:00:30 -0700 | [diff] [blame^] | 39 | #include <endian.h> |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 40 | #include <platform/gpio.h> |
Asaf Penso | c9080dc | 2013-05-21 21:53:50 +0300 | [diff] [blame] | 41 | #include <platform/clock.h> |
Siddhartha Agrawal | 1b2ed84 | 2013-05-29 18:02:28 -0700 | [diff] [blame] | 42 | #include <platform/iomap.h> |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 43 | #include <target/display.h> |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 44 | #include "include/panel.h" |
| 45 | #include "include/display_resource.h" |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 46 | |
| 47 | static struct msm_fb_panel_data panel; |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 48 | static uint8_t edp_enable; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 49 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 50 | #define HFPLL_LDO_ID 12 |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 51 | |
Asaf Penso | 0ecd86f | 2013-05-29 14:49:19 +0300 | [diff] [blame] | 52 | static struct pm8x41_wled_data wled_ctrl = { |
Amy Maloche | 543b584 | 2013-07-31 18:07:38 -0700 | [diff] [blame] | 53 | .mod_scheme = 0x00, |
Asaf Penso | 0ecd86f | 2013-05-29 14:49:19 +0300 | [diff] [blame] | 54 | .led1_brightness = (0x0F << 8) | 0xEF, |
| 55 | .led2_brightness = (0x0F << 8) | 0xEF, |
| 56 | .led3_brightness = (0x0F << 8) | 0xEF, |
| 57 | .max_duty_cycle = 0x01, |
| 58 | .ovp = 0x2, |
| 59 | .full_current_scale = 0x19 |
| 60 | }; |
| 61 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 62 | static uint32_t dsi_pll_enable_seq(uint32_t ctl_base) |
| 63 | { |
| 64 | uint32_t rc = 0; |
| 65 | |
| 66 | mdss_dsi_uniphy_pll_sw_reset(ctl_base); |
| 67 | |
| 68 | writel(0x01, ctl_base + 0x0220); /* GLB CFG */ |
| 69 | mdelay(1); |
| 70 | writel(0x05, ctl_base + 0x0220); /* GLB CFG */ |
| 71 | mdelay(1); |
| 72 | writel(0x07, ctl_base + 0x0220); /* GLB CFG */ |
| 73 | mdelay(1); |
| 74 | writel(0x0f, ctl_base + 0x0220); /* GLB CFG */ |
| 75 | mdelay(1); |
| 76 | |
| 77 | mdss_dsi_uniphy_pll_lock_detect_setting(ctl_base); |
| 78 | |
| 79 | while (!(readl(ctl_base + 0x02c0) & 0x01)) { |
| 80 | mdss_dsi_uniphy_pll_sw_reset(ctl_base); |
| 81 | writel(0x01, ctl_base + 0x0220); /* GLB CFG */ |
| 82 | mdelay(1); |
| 83 | writel(0x05, ctl_base + 0x0220); /* GLB CFG */ |
| 84 | mdelay(1); |
| 85 | writel(0x07, ctl_base + 0x0220); /* GLB CFG */ |
| 86 | mdelay(1); |
| 87 | writel(0x05, ctl_base + 0x0220); /* GLB CFG */ |
| 88 | mdelay(1); |
| 89 | writel(0x07, ctl_base + 0x0220); /* GLB CFG */ |
| 90 | mdelay(1); |
| 91 | writel(0x0f, ctl_base + 0x0220); /* GLB CFG */ |
| 92 | mdelay(2); |
| 93 | mdss_dsi_uniphy_pll_lock_detect_setting(ctl_base); |
| 94 | } |
| 95 | return rc; |
| 96 | } |
| 97 | |
| 98 | int target_backlight_ctrl(uint8_t enable) |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 99 | { |
Chandan Uddaraju | d1bcbeb | 2013-07-01 18:13:48 -0700 | [diff] [blame] | 100 | uint32_t platform_id = board_platform_id(); |
| 101 | uint32_t hardware_id = board_hardware_id(); |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 102 | uint8_t slave_id = 1; |
Chandan Uddaraju | d1bcbeb | 2013-07-01 18:13:48 -0700 | [diff] [blame] | 103 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 104 | if (enable) { |
| 105 | if (platform_id == MSM8974AC) |
| 106 | if ((hardware_id == HW_PLATFORM_MTP) |
| 107 | || (hardware_id == HW_PLATFORM_LIQUID)) |
| 108 | slave_id = 3; |
Chandan Uddaraju | d1bcbeb | 2013-07-01 18:13:48 -0700 | [diff] [blame] | 109 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 110 | pm8x41_wled_config_slave_id(slave_id); |
| 111 | pm8x41_wled_config(&wled_ctrl); |
| 112 | pm8x41_wled_sink_control(enable); |
| 113 | pm8x41_wled_iled_sync_control(enable); |
| 114 | } |
| 115 | pm8x41_wled_enable(enable); |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 116 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 117 | return NO_ERROR; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 118 | } |
| 119 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 120 | int target_panel_clock(uint8_t enable, struct msm_panel_info *pinfo) |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 121 | { |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 122 | struct mdss_dsi_pll_config *pll_data; |
| 123 | uint32_t dual_dsi = pinfo->mipi.dual_dsi; |
| 124 | dprintf(SPEW, "target_panel_clock\n"); |
| 125 | |
| 126 | pll_data = pinfo->mipi.dsi_pll_config; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 127 | if (enable) { |
| 128 | mdp_gdsc_ctrl(enable); |
| 129 | mdp_clock_init(); |
Siddhartha Agrawal | f7ae5da | 2013-09-26 13:30:33 -0700 | [diff] [blame] | 130 | mdss_dsi_auto_pll_config(MIPI_DSI0_BASE, pll_data); |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 131 | dsi_pll_enable_seq(MIPI_DSI0_BASE); |
Siddhartha Agrawal | 1b2ed84 | 2013-05-29 18:02:28 -0700 | [diff] [blame] | 132 | if (panel.panel_info.mipi.dual_dsi && |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 133 | !(panel.panel_info.mipi.broadcast)) { |
Siddhartha Agrawal | f7ae5da | 2013-09-26 13:30:33 -0700 | [diff] [blame] | 134 | mdss_dsi_auto_pll_config(MIPI_DSI1_BASE, pll_data); |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 135 | dsi_pll_enable_seq(MIPI_DSI1_BASE); |
| 136 | } |
| 137 | mmss_clock_auto_pll_init(DSI0_PHY_PLL_OUT, dual_dsi, |
| 138 | pll_data->pclk_m, |
| 139 | pll_data->pclk_n, |
| 140 | pll_data->pclk_d); |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 141 | } else if(!target_cont_splash_screen()) { |
| 142 | // * Add here for continuous splash * |
Siddhartha Agrawal | c88737b | 2013-05-29 20:41:35 -0700 | [diff] [blame] | 143 | mmss_clock_disable(dual_dsi); |
| 144 | mdp_clock_disable(dual_dsi); |
Siddhartha Agrawal | c43c487 | 2013-04-21 16:23:16 -0700 | [diff] [blame] | 145 | mdp_gdsc_ctrl(enable); |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 146 | } |
| 147 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 148 | return NO_ERROR; |
Asaf Penso | 325f43a | 2013-05-21 21:55:48 +0300 | [diff] [blame] | 149 | } |
| 150 | |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 151 | /* Pull DISP_RST_N high to get panel out of reset */ |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 152 | int target_panel_reset(uint8_t enable, struct panel_reset_sequence *resetseq, |
| 153 | struct msm_panel_info *pinfo) |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 154 | { |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 155 | uint32_t rst_gpio = reset_gpio.pin_id; |
Chandan Uddaraju | d1bcbeb | 2013-07-01 18:13:48 -0700 | [diff] [blame] | 156 | uint32_t platform_id = board_platform_id(); |
| 157 | uint32_t hardware_id = board_hardware_id(); |
| 158 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 159 | struct pm8x41_gpio resetgpio_param = { |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 160 | .direction = PM_GPIO_DIR_OUT, |
| 161 | .output_buffer = PM_GPIO_OUT_CMOS, |
| 162 | .out_strength = PM_GPIO_OUT_DRIVE_MED, |
| 163 | }; |
| 164 | |
Chandan Uddaraju | d1bcbeb | 2013-07-01 18:13:48 -0700 | [diff] [blame] | 165 | if (platform_id == MSM8974AC) |
Chandan Uddaraju | b2cee90 | 2013-09-05 18:31:23 -0700 | [diff] [blame] | 166 | if ((hardware_id == HW_PLATFORM_MTP) |
Chandan Uddaraju | d1bcbeb | 2013-07-01 18:13:48 -0700 | [diff] [blame] | 167 | || (hardware_id == HW_PLATFORM_LIQUID)) |
| 168 | rst_gpio = 20; |
| 169 | |
| 170 | dprintf(SPEW, "platform_id: %u, rst_gpio: %u\n", |
| 171 | platform_id, rst_gpio); |
| 172 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 173 | pm8x41_gpio_config(rst_gpio, &resetgpio_param); |
Siddhartha Agrawal | c43c487 | 2013-04-21 16:23:16 -0700 | [diff] [blame] | 174 | if (enable) { |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 175 | gpio_tlmm_config(enable_gpio.pin_id, 0, |
| 176 | enable_gpio.pin_direction, enable_gpio.pin_pull, |
| 177 | enable_gpio.pin_strength, enable_gpio.pin_state); |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 178 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 179 | gpio_set(enable_gpio.pin_id, resetseq->pin_direction); |
| 180 | pm8x41_gpio_set(rst_gpio, resetseq->pin_state[0]); |
| 181 | mdelay(resetseq->sleep[0]); |
| 182 | pm8x41_gpio_set(rst_gpio, resetseq->pin_state[1]); |
| 183 | mdelay(resetseq->sleep[1]); |
| 184 | pm8x41_gpio_set(rst_gpio, resetseq->pin_state[2]); |
| 185 | mdelay(resetseq->sleep[2]); |
Siddhartha Agrawal | c43c487 | 2013-04-21 16:23:16 -0700 | [diff] [blame] | 186 | } else { |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 187 | resetgpio_param.out_strength = PM_GPIO_OUT_DRIVE_LOW; |
| 188 | pm8x41_gpio_config(rst_gpio, &resetgpio_param); |
Chandan Uddaraju | d1bcbeb | 2013-07-01 18:13:48 -0700 | [diff] [blame] | 189 | pm8x41_gpio_set(rst_gpio, PM_GPIO_FUNC_LOW); |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 190 | gpio_set(enable_gpio.pin_id, resetseq->pin_direction); |
Siddhartha Agrawal | c43c487 | 2013-04-21 16:23:16 -0700 | [diff] [blame] | 191 | } |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 192 | return NO_ERROR; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 193 | } |
| 194 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 195 | int target_ldo_ctrl(uint8_t enable) |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 196 | { |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 197 | uint32_t ldocounter = 0; |
| 198 | uint32_t pm8x41_ldo_base = 0x13F00; |
Deepa Dinamani | ec4835b | 2013-06-03 16:14:24 -0700 | [diff] [blame] | 199 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 200 | while (ldocounter < TOTAL_LDO_DEFINED) { |
| 201 | struct pm8x41_ldo ldo_entry = LDO((pm8x41_ldo_base + |
| 202 | 0x100 * ldo_entry_array[ldocounter].ldo_id), |
| 203 | ldo_entry_array[ldocounter].ldo_type); |
Deepa Dinamani | ec4835b | 2013-06-03 16:14:24 -0700 | [diff] [blame] | 204 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 205 | dprintf(SPEW, "Setting %s\n", |
| 206 | ldo_entry_array[ldocounter].ldo_id); |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 207 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 208 | /* Set voltage during power on */ |
| 209 | if (enable) { |
| 210 | pm8x41_ldo_set_voltage(&ldo_entry, |
| 211 | ldo_entry_array[ldocounter].ldo_voltage); |
| 212 | pm8x41_ldo_control(&ldo_entry, enable); |
| 213 | } else if(ldo_entry_array[ldocounter].ldo_id != HFPLL_LDO_ID) { |
| 214 | pm8x41_ldo_control(&ldo_entry, enable); |
| 215 | } |
| 216 | ldocounter++; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 217 | } |
| 218 | |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 219 | return NO_ERROR; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 220 | } |
| 221 | |
Casey Piper | 8ac505c | 2013-09-05 15:00:30 -0700 | [diff] [blame^] | 222 | static uint32_t response_value = 0; |
| 223 | |
| 224 | uint32_t target_read_panel_signature(uint32_t panel_signature) |
| 225 | { |
| 226 | uint32_t rec_buf[1]; |
| 227 | uint32_t *lp = rec_buf, data; |
| 228 | int ret = response_value; |
| 229 | |
| 230 | if (ret && ret != panel_signature) |
| 231 | goto exit_read_signature; |
| 232 | |
| 233 | ret = mipi_dsi_cmds_tx(&read_ddb_start_cmd, 1); |
| 234 | if (ret) |
| 235 | goto exit_read_signature; |
| 236 | if (!mdss_dsi_cmds_rx(&lp, 1, 1)) |
| 237 | goto exit_read_signature; |
| 238 | |
| 239 | data = ntohl(*lp); |
| 240 | data = data >> 8; |
| 241 | response_value = data; |
| 242 | if (response_value != panel_signature) |
| 243 | ret = response_value; |
| 244 | |
| 245 | exit_read_signature: |
| 246 | return ret; |
| 247 | } |
| 248 | |
Asaf Penso | e6870ff | 2013-07-07 17:23:56 +0300 | [diff] [blame] | 249 | static int msm8974_mdss_edp_panel_clock(int enable) |
| 250 | { |
| 251 | if (enable) { |
| 252 | mdp_gdsc_ctrl(enable); |
| 253 | mdp_clock_init(); |
| 254 | edp_clk_enable(); |
Asaf Penso | e6870ff | 2013-07-07 17:23:56 +0300 | [diff] [blame] | 255 | } else if (!target_cont_splash_screen()) { |
| 256 | /* Add here for continuous splash */ |
Kuogee Hsieh | df636eb | 2013-08-01 14:52:08 -0700 | [diff] [blame] | 257 | edp_clk_disable(); |
| 258 | mdp_clock_disable(); |
| 259 | mdp_gdsc_ctrl(enable); |
Asaf Penso | e6870ff | 2013-07-07 17:23:56 +0300 | [diff] [blame] | 260 | } |
| 261 | |
| 262 | return 0; |
| 263 | } |
| 264 | |
| 265 | static int msm8974_edp_panel_power(int enable) |
| 266 | { |
| 267 | struct pm8x41_gpio gpio36_param = { |
| 268 | .direction = PM_GPIO_DIR_OUT, |
| 269 | .output_buffer = PM_GPIO_OUT_CMOS, |
| 270 | .out_strength = PM_GPIO_OUT_DRIVE_MED, |
| 271 | }; |
| 272 | |
| 273 | struct pm8x41_ldo ldo12 = LDO(PM8x41_LDO12, PLDO_TYPE); |
| 274 | |
| 275 | if (enable) { |
| 276 | /* Enable backlight */ |
| 277 | dprintf(SPEW, "Enable Backlight\n"); |
| 278 | pm8x41_gpio_config(36, &gpio36_param); |
| 279 | pm8x41_gpio_set(36, PM_GPIO_FUNC_HIGH); |
| 280 | dprintf(SPEW, "Enable Backlight Done\n"); |
| 281 | |
| 282 | /* Turn on LDO12 for edp vdda */ |
| 283 | dprintf(SPEW, "Setting LDO12 n"); |
| 284 | pm8x41_ldo_set_voltage(&ldo12, 1800000); |
| 285 | pm8x41_ldo_control(&ldo12, enable); |
| 286 | dprintf(SPEW, "Setting LDO12 Done\n"); |
| 287 | |
| 288 | /* Panel Enable */ |
| 289 | dprintf(SPEW, "Panel Enable\n"); |
| 290 | gpio_tlmm_config(58, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA, |
| 291 | GPIO_DISABLE); |
| 292 | gpio_set(58, 2); |
| 293 | dprintf(SPEW, "Panel Enable Done\n"); |
| 294 | } else { |
| 295 | /* Keep LDO12 on, otherwise kernel will not boot */ |
Kuogee Hsieh | df636eb | 2013-08-01 14:52:08 -0700 | [diff] [blame] | 296 | gpio_set(58, 0); |
Asaf Penso | e6870ff | 2013-07-07 17:23:56 +0300 | [diff] [blame] | 297 | pm8x41_gpio_set(36, PM_GPIO_FUNC_LOW); |
| 298 | } |
| 299 | |
| 300 | return 0; |
| 301 | } |
| 302 | |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 303 | void display_init(void) |
| 304 | { |
| 305 | uint32_t hw_id = board_hardware_id(); |
Casey Piper | 8ac505c | 2013-09-05 15:00:30 -0700 | [diff] [blame^] | 306 | uint32_t panel_loop = 0; |
| 307 | uint32_t ret = 0; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 308 | switch (hw_id) { |
Asaf Penso | e6870ff | 2013-07-07 17:23:56 +0300 | [diff] [blame] | 309 | case HW_PLATFORM_LIQUID: |
Kuogee Hsieh | df636eb | 2013-08-01 14:52:08 -0700 | [diff] [blame] | 310 | edp_panel_init(&(panel.panel_info)); |
Asaf Penso | e6870ff | 2013-07-07 17:23:56 +0300 | [diff] [blame] | 311 | panel.clk_func = msm8974_mdss_edp_panel_clock; |
| 312 | panel.power_func = msm8974_edp_panel_power; |
| 313 | panel.fb.base = (void *)EDP_FB_ADDR; |
Asaf Penso | e6870ff | 2013-07-07 17:23:56 +0300 | [diff] [blame] | 314 | panel.fb.format = FB_FORMAT_RGB888; |
| 315 | panel.mdp_rev = MDP_REV_50; |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 316 | |
| 317 | if (msm_display_init(&panel)) { |
| 318 | dprintf(CRITICAL, "edp init failed!\n"); |
| 319 | return; |
| 320 | } |
| 321 | |
| 322 | edp_enable = 1; |
Asaf Penso | e6870ff | 2013-07-07 17:23:56 +0300 | [diff] [blame] | 323 | break; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 324 | default: |
Casey Piper | 8ac505c | 2013-09-05 15:00:30 -0700 | [diff] [blame^] | 325 | do { |
| 326 | ret = gcdb_display_init(MDP_REV_50, MIPI_FB_ADDR); |
| 327 | if (ret) { |
| 328 | target_force_cont_splash_disable(true); |
| 329 | msm_display_off(); |
| 330 | target_force_cont_splash_disable(false); |
| 331 | } |
| 332 | else { |
| 333 | break; |
| 334 | } |
| 335 | } while (++panel_loop <= oem_panel_max_auto_detect_panels()); |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 336 | break; |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 337 | } |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | void display_shutdown(void) |
| 341 | { |
Casey Piper | 7d7b052 | 2013-09-09 20:42:15 -0700 | [diff] [blame] | 342 | uint32_t hw_id = board_hardware_id(); |
| 343 | switch (hw_id) { |
| 344 | case HW_PLATFORM_LIQUID: |
| 345 | if (edp_enable) |
| 346 | msm_display_off(); |
| 347 | break; |
| 348 | default: |
| 349 | gcdb_display_shutdown(); |
| 350 | break; |
| 351 | } |
Siddhartha Agrawal | 7ac6d51 | 2013-01-22 18:39:50 -0800 | [diff] [blame] | 352 | } |