diff options
Diffstat (limited to 'drivers/mfd/rts5209.c')
-rw-r--r-- | drivers/mfd/rts5209.c | 63 |
1 files changed, 46 insertions, 17 deletions
diff --git a/drivers/mfd/rts5209.c b/drivers/mfd/rts5209.c index ec78d9fb0879..cb04174a8924 100644 --- a/drivers/mfd/rts5209.c +++ b/drivers/mfd/rts5209.c | |||
@@ -1,6 +1,6 @@ | |||
1 | /* Driver for Realtek PCI-Express card reader | 1 | /* Driver for Realtek PCI-Express card reader |
2 | * | 2 | * |
3 | * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. | 3 | * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. |
4 | * | 4 | * |
5 | * This program is free software; you can redistribute it and/or modify it | 5 | * This program is free software; you can redistribute it and/or modify it |
6 | * under the terms of the GNU General Public License as published by the | 6 | * under the terms of the GNU General Public License as published by the |
@@ -17,7 +17,6 @@ | |||
17 | * | 17 | * |
18 | * Author: | 18 | * Author: |
19 | * Wei WANG <wei_wang@realsil.com.cn> | 19 | * Wei WANG <wei_wang@realsil.com.cn> |
20 | * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China | ||
21 | */ | 20 | */ |
22 | 21 | ||
23 | #include <linux/module.h> | 22 | #include <linux/module.h> |
@@ -34,19 +33,34 @@ static u8 rts5209_get_ic_version(struct rtsx_pcr *pcr) | |||
34 | return val & 0x0F; | 33 | return val & 0x0F; |
35 | } | 34 | } |
36 | 35 | ||
37 | static void rts5209_init_vendor_cfg(struct rtsx_pcr *pcr) | 36 | static void rts5209_fetch_vendor_settings(struct rtsx_pcr *pcr) |
38 | { | 37 | { |
39 | u32 val; | 38 | u32 reg; |
40 | 39 | ||
41 | rtsx_pci_read_config_dword(pcr, 0x724, &val); | 40 | rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG1, ®); |
42 | dev_dbg(&(pcr->pci->dev), "Cfg 0x724: 0x%x\n", val); | 41 | dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG1, reg); |
43 | 42 | ||
44 | if (!(val & 0x80)) { | 43 | if (rts5209_vendor_setting1_valid(reg)) { |
45 | if (val & 0x08) | 44 | if (rts5209_reg_check_ms_pmos(reg)) |
46 | pcr->ms_pmos = false; | 45 | pcr->flags |= PCR_MS_PMOS; |
47 | else | 46 | pcr->aspm_en = rts5209_reg_to_aspm(reg); |
48 | pcr->ms_pmos = true; | ||
49 | } | 47 | } |
48 | |||
49 | rtsx_pci_read_config_dword(pcr, PCR_SETTING_REG2, ®); | ||
50 | dev_dbg(&(pcr->pci->dev), "Cfg 0x%x: 0x%x\n", PCR_SETTING_REG2, reg); | ||
51 | |||
52 | if (rts5209_vendor_setting2_valid(reg)) { | ||
53 | pcr->sd30_drive_sel_1v8 = | ||
54 | rts5209_reg_to_sd30_drive_sel_1v8(reg); | ||
55 | pcr->sd30_drive_sel_3v3 = | ||
56 | rts5209_reg_to_sd30_drive_sel_3v3(reg); | ||
57 | pcr->card_drive_sel = rts5209_reg_to_card_drive_sel(reg); | ||
58 | } | ||
59 | } | ||
60 | |||
61 | static void rts5209_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) | ||
62 | { | ||
63 | rtsx_pci_write_register(pcr, FPDCTL, 0x07, 0x07); | ||
50 | } | 64 | } |
51 | 65 | ||
52 | static int rts5209_extra_init_hw(struct rtsx_pcr *pcr) | 66 | static int rts5209_extra_init_hw(struct rtsx_pcr *pcr) |
@@ -55,8 +69,15 @@ static int rts5209_extra_init_hw(struct rtsx_pcr *pcr) | |||
55 | 69 | ||
56 | /* Turn off LED */ | 70 | /* Turn off LED */ |
57 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO, 0xFF, 0x03); | 71 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO, 0xFF, 0x03); |
72 | /* Reset ASPM state to default value */ | ||
73 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, ASPM_FORCE_CTL, 0x3F, 0); | ||
74 | /* Force CLKREQ# PIN to drive 0 to request clock */ | ||
75 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0x08, 0x08); | ||
58 | /* Configure GPIO as output */ | 76 | /* Configure GPIO as output */ |
59 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO_DIR, 0xFF, 0x03); | 77 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_GPIO_DIR, 0xFF, 0x03); |
78 | /* Configure driving */ | ||
79 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD30_DRIVE_SEL, | ||
80 | 0xFF, pcr->sd30_drive_sel_3v3); | ||
60 | 81 | ||
61 | return rtsx_pci_send_cmd(pcr, 100); | 82 | return rtsx_pci_send_cmd(pcr, 100); |
62 | } | 83 | } |
@@ -95,7 +116,7 @@ static int rts5209_card_power_on(struct rtsx_pcr *pcr, int card) | |||
95 | partial_pwr_on = SD_PARTIAL_POWER_ON; | 116 | partial_pwr_on = SD_PARTIAL_POWER_ON; |
96 | pwr_on = SD_POWER_ON; | 117 | pwr_on = SD_POWER_ON; |
97 | 118 | ||
98 | if (pcr->ms_pmos && (card == RTSX_MS_CARD)) { | 119 | if ((pcr->flags & PCR_MS_PMOS) && (card == RTSX_MS_CARD)) { |
99 | pwr_mask = MS_POWER_MASK; | 120 | pwr_mask = MS_POWER_MASK; |
100 | partial_pwr_on = MS_PARTIAL_POWER_ON; | 121 | partial_pwr_on = MS_PARTIAL_POWER_ON; |
101 | pwr_on = MS_POWER_ON; | 122 | pwr_on = MS_POWER_ON; |
@@ -131,7 +152,7 @@ static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card) | |||
131 | pwr_mask = SD_POWER_MASK; | 152 | pwr_mask = SD_POWER_MASK; |
132 | pwr_off = SD_POWER_OFF; | 153 | pwr_off = SD_POWER_OFF; |
133 | 154 | ||
134 | if (pcr->ms_pmos && (card == RTSX_MS_CARD)) { | 155 | if ((pcr->flags & PCR_MS_PMOS) && (card == RTSX_MS_CARD)) { |
135 | pwr_mask = MS_POWER_MASK; | 156 | pwr_mask = MS_POWER_MASK; |
136 | pwr_off = MS_POWER_OFF; | 157 | pwr_off = MS_POWER_OFF; |
137 | } | 158 | } |
@@ -140,7 +161,7 @@ static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card) | |||
140 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, | 161 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CARD_PWR_CTL, |
141 | pwr_mask | PMOS_STRG_MASK, pwr_off | PMOS_STRG_400mA); | 162 | pwr_mask | PMOS_STRG_MASK, pwr_off | PMOS_STRG_400mA); |
142 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, | 163 | rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PWR_GATE_CTRL, |
143 | LDO3318_PWR_MASK, 0X06); | 164 | LDO3318_PWR_MASK, 0x06); |
144 | return rtsx_pci_send_cmd(pcr, 100); | 165 | return rtsx_pci_send_cmd(pcr, 100); |
145 | } | 166 | } |
146 | 167 | ||
@@ -150,7 +171,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) | |||
150 | 171 | ||
151 | if (voltage == OUTPUT_3V3) { | 172 | if (voltage == OUTPUT_3V3) { |
152 | err = rtsx_pci_write_register(pcr, | 173 | err = rtsx_pci_write_register(pcr, |
153 | SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_D); | 174 | SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_3v3); |
154 | if (err < 0) | 175 | if (err < 0) |
155 | return err; | 176 | return err; |
156 | err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); | 177 | err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); |
@@ -158,7 +179,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) | |||
158 | return err; | 179 | return err; |
159 | } else if (voltage == OUTPUT_1V8) { | 180 | } else if (voltage == OUTPUT_1V8) { |
160 | err = rtsx_pci_write_register(pcr, | 181 | err = rtsx_pci_write_register(pcr, |
161 | SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B); | 182 | SD30_DRIVE_SEL, 0x07, pcr->sd30_drive_sel_1v8); |
162 | if (err < 0) | 183 | if (err < 0) |
163 | return err; | 184 | return err; |
164 | err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24); | 185 | err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24); |
@@ -172,6 +193,7 @@ static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) | |||
172 | } | 193 | } |
173 | 194 | ||
174 | static const struct pcr_ops rts5209_pcr_ops = { | 195 | static const struct pcr_ops rts5209_pcr_ops = { |
196 | .fetch_vendor_settings = rts5209_fetch_vendor_settings, | ||
175 | .extra_init_hw = rts5209_extra_init_hw, | 197 | .extra_init_hw = rts5209_extra_init_hw, |
176 | .optimize_phy = rts5209_optimize_phy, | 198 | .optimize_phy = rts5209_optimize_phy, |
177 | .turn_on_led = rts5209_turn_on_led, | 199 | .turn_on_led = rts5209_turn_on_led, |
@@ -183,6 +205,7 @@ static const struct pcr_ops rts5209_pcr_ops = { | |||
183 | .switch_output_voltage = rts5209_switch_output_voltage, | 205 | .switch_output_voltage = rts5209_switch_output_voltage, |
184 | .cd_deglitch = NULL, | 206 | .cd_deglitch = NULL, |
185 | .conv_clk_and_div_n = NULL, | 207 | .conv_clk_and_div_n = NULL, |
208 | .force_power_down = rts5209_force_power_down, | ||
186 | }; | 209 | }; |
187 | 210 | ||
188 | /* SD Pull Control Enable: | 211 | /* SD Pull Control Enable: |
@@ -242,7 +265,13 @@ void rts5209_init_params(struct rtsx_pcr *pcr) | |||
242 | pcr->num_slots = 2; | 265 | pcr->num_slots = 2; |
243 | pcr->ops = &rts5209_pcr_ops; | 266 | pcr->ops = &rts5209_pcr_ops; |
244 | 267 | ||
245 | rts5209_init_vendor_cfg(pcr); | 268 | pcr->flags = 0; |
269 | pcr->card_drive_sel = RTS5209_CARD_DRIVE_DEFAULT; | ||
270 | pcr->sd30_drive_sel_1v8 = DRIVER_TYPE_B; | ||
271 | pcr->sd30_drive_sel_3v3 = DRIVER_TYPE_D; | ||
272 | pcr->aspm_en = ASPM_L1_EN; | ||
273 | pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 16); | ||
274 | pcr->rx_initial_phase = SET_CLOCK_PHASE(24, 6, 5); | ||
246 | 275 | ||
247 | pcr->ic_version = rts5209_get_ic_version(pcr); | 276 | pcr->ic_version = rts5209_get_ic_version(pcr); |
248 | pcr->sd_pull_ctl_enable_tbl = rts5209_sd_pull_ctl_enable_tbl; | 277 | pcr->sd_pull_ctl_enable_tbl = rts5209_sd_pull_ctl_enable_tbl; |