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path: root/drivers/video/fbdev/aty/aty128fb.c
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Diffstat (limited to 'drivers/video/fbdev/aty/aty128fb.c')
-rw-r--r--drivers/video/fbdev/aty/aty128fb.c263
1 files changed, 93 insertions, 170 deletions
diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c
index 6cc46867ff57..f55b4c7609a8 100644
--- a/drivers/video/fbdev/aty/aty128fb.c
+++ b/drivers/video/fbdev/aty/aty128fb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* $Id: aty128fb.c,v 1.1.1.1.36.1 1999/12/11 09:03:05 Exp $
* linux/drivers/video/aty128fb.c -- Frame buffer device for ATI Rage128
*
@@ -22,7 +23,7 @@
* - Convert to new framebuffer API,
* fix colormap setting at 16 bits/pixel (565)
*
- * Paul Mundt
+ * Paul Mundt
* - PCI hotplug
*
* Jon Smirl <jonsmirl@yahoo.com>
@@ -46,6 +47,7 @@
*/
+#include <linux/aperture.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
@@ -67,7 +69,6 @@
#ifdef CONFIG_PPC_PMAC
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
-#include <asm/prom.h>
#include "../macmodes.h"
#endif
@@ -161,10 +162,22 @@ static char * const r128_family[] = {
static int aty128_probe(struct pci_dev *pdev,
const struct pci_device_id *ent);
static void aty128_remove(struct pci_dev *pdev);
-static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state);
-static int aty128_pci_resume(struct pci_dev *pdev);
+static int aty128_pci_suspend_late(struct device *dev, pm_message_t state);
+static int __maybe_unused aty128_pci_suspend(struct device *dev);
+static int __maybe_unused aty128_pci_hibernate(struct device *dev);
+static int __maybe_unused aty128_pci_freeze(struct device *dev);
+static int __maybe_unused aty128_pci_resume(struct device *dev);
static int aty128_do_resume(struct pci_dev *pdev);
+static const struct dev_pm_ops aty128_pci_pm_ops = {
+ .suspend = aty128_pci_suspend,
+ .resume = aty128_pci_resume,
+ .freeze = aty128_pci_freeze,
+ .thaw = aty128_pci_resume,
+ .poweroff = aty128_pci_hibernate,
+ .restore = aty128_pci_resume,
+};
+
/* supported Rage128 chipsets */
static const struct pci_device_id aty128_pci_tbl[] = {
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RAGE128_LE,
@@ -271,8 +284,7 @@ static struct pci_driver aty128fb_driver = {
.id_table = aty128_pci_tbl,
.probe = aty128_probe,
.remove = aty128_remove,
- .suspend = aty128_pci_suspend,
- .resume = aty128_pci_resume,
+ .driver.pm = &aty128_pci_pm_ops,
};
/* packed BIOS settings */
@@ -333,20 +345,6 @@ static const struct aty128_meminfo sdr_128 = {
.name = "128-bit SDR SGRAM (1:1)",
};
-static const struct aty128_meminfo sdr_64 = {
- .ML = 4,
- .MB = 8,
- .Trcd = 3,
- .Trp = 3,
- .Twr = 1,
- .CL = 3,
- .Tr2w = 1,
- .LoopLatency = 17,
- .DspOn = 46,
- .Rloop = 17,
- .name = "64-bit SDR SGRAM (1:1)",
-};
-
static const struct aty128_meminfo sdr_sgram = {
.ML = 4,
.MB = 4,
@@ -397,11 +395,7 @@ static int default_lcd_on = 1;
static bool mtrr = true;
#ifdef CONFIG_FB_ATY128_BACKLIGHT
-#ifdef CONFIG_PMAC_BACKLIGHT
-static int backlight = 1;
-#else
-static int backlight = 0;
-#endif
+static int backlight = IS_BUILTIN(CONFIG_PMAC_BACKLIGHT);
#endif
/* PLL constants */
@@ -486,11 +480,6 @@ static int aty128_encode_var(struct fb_var_screeninfo *var,
const struct aty128fb_par *par);
static int aty128_decode_var(struct fb_var_screeninfo *var,
struct aty128fb_par *par);
-#if 0
-static void aty128_get_pllinfo(struct aty128fb_par *par, void __iomem *bios);
-static void __iomem *aty128_map_ROM(struct pci_dev *pdev,
- const struct aty128fb_par *par);
-#endif
static void aty128_timings(struct aty128fb_par *par);
static void aty128_init_engine(struct aty128fb_par *par);
static void aty128_reset_engine(const struct aty128fb_par *par);
@@ -513,8 +502,9 @@ static void aty128_bl_set_power(struct fb_info *info, int power);
(readb(bios + (v) + 3) << 24))
-static struct fb_ops aty128fb_ops = {
+static const struct fb_ops aty128fb_ops = {
.owner = THIS_MODULE,
+ FB_DEFAULT_IOMEM_OPS,
.fb_check_var = aty128fb_check_var,
.fb_set_par = aty128fb_set_par,
.fb_setcolreg = aty128fb_setcolreg,
@@ -522,9 +512,6 @@ static struct fb_ops aty128fb_ops = {
.fb_blank = aty128fb_blank,
.fb_ioctl = aty128fb_ioctl,
.fb_sync = aty128fb_sync,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
};
/*
@@ -532,13 +519,13 @@ static struct fb_ops aty128fb_ops = {
* - endian conversions may possibly be avoided by
* using the other register aperture. TODO.
*/
-static inline u32 _aty_ld_le32(volatile unsigned int regindex,
+static inline u32 _aty_ld_le32(volatile unsigned int regindex,
const struct aty128fb_par *par)
{
return readl (par->regbase + regindex);
}
-static inline void _aty_st_le32(volatile unsigned int regindex, u32 val,
+static inline void _aty_st_le32(volatile unsigned int regindex, u32 val,
const struct aty128fb_par *par)
{
writel (val, par->regbase + regindex);
@@ -571,12 +558,12 @@ static inline void _aty_st_8(unsigned int regindex, u8 val,
static u32 _aty_ld_pll(unsigned int pll_index,
const struct aty128fb_par *par)
-{
+{
aty_st_8(CLOCK_CNTL_INDEX, pll_index & 0x3F);
return aty_ld_le32(CLOCK_CNTL_DATA);
}
-
+
static void _aty_st_pll(unsigned int pll_index, u32 val,
const struct aty128fb_par *par)
{
@@ -631,7 +618,7 @@ static int register_test(const struct aty128fb_par *par)
aty_st_le32(BIOS_0_SCRATCH, 0xAAAAAAAA);
if (aty_ld_le32(BIOS_0_SCRATCH) == 0xAAAAAAAA)
- flag = 1;
+ flag = 1;
}
aty_st_le32(BIOS_0_SCRATCH, val); // restore value
@@ -913,7 +900,7 @@ static void aty128_get_pllinfo(struct aty128fb_par *par,
bios_hdr = BIOS_IN16(0x48);
bios_pll = BIOS_IN16(bios_hdr + 0x30);
-
+
par->constants.ppll_max = BIOS_IN32(bios_pll + 0x16);
par->constants.ppll_min = BIOS_IN32(bios_pll + 0x12);
par->constants.xclk = BIOS_IN16(bios_pll + 0x08);
@@ -925,7 +912,7 @@ static void aty128_get_pllinfo(struct aty128fb_par *par,
par->constants.xclk, par->constants.ref_divider,
par->constants.ref_clk);
-}
+}
#ifdef CONFIG_X86
static void __iomem *aty128_find_mem_vbios(struct aty128fb_par *par)
@@ -937,7 +924,7 @@ static void __iomem *aty128_find_mem_vbios(struct aty128fb_par *par)
*/
u32 segstart;
unsigned char __iomem *rom_base = NULL;
-
+
for (segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
rom_base = ioremap(segstart, 0x10000);
if (rom_base == NULL)
@@ -963,7 +950,7 @@ static void aty128_timings(struct aty128fb_par *par)
u32 x_mpll_ref_fb_div;
u32 xclk_cntl;
u32 Nx, M;
- unsigned PostDivSet[] = { 0, 1, 2, 4, 8, 3, 6, 12 };
+ static const unsigned int PostDivSet[] = { 0, 1, 2, 4, 8, 3, 6, 12 };
#endif
if (!par->constants.ref_clk)
@@ -1130,12 +1117,12 @@ static int aty128_var_to_crtc(const struct fb_var_screeninfo *var,
v_sync_wid = 1;
else if (v_sync_wid > 0x1f) /* 0x1f = max vwidth */
v_sync_wid = 0x1f;
-
+
v_sync_strt = v_disp + lower;
h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
-
+
c_sync = sync & FB_SYNC_COMP_HIGH_ACT ? (1 << 4) : 0;
crtc->gen_cntl = 0x3000000L | c_sync | (dst << 8);
@@ -1312,12 +1299,12 @@ static void aty128_set_lcd_enable(struct aty128fb_par *par, int on)
reg &= ~LVDS_DISPLAY_DIS;
aty_st_le32(LVDS_GEN_CNTL, reg);
#ifdef CONFIG_FB_ATY128_BACKLIGHT
- aty128_bl_set_power(info, FB_BLANK_UNBLANK);
-#endif
+ aty128_bl_set_power(info, BACKLIGHT_POWER_ON);
+#endif
} else {
#ifdef CONFIG_FB_ATY128_BACKLIGHT
- aty128_bl_set_power(info, FB_BLANK_POWERDOWN);
-#endif
+ aty128_bl_set_power(info, BACKLIGHT_POWER_OFF);
+#endif
reg = aty_ld_le32(LVDS_GEN_CNTL);
reg |= LVDS_DISPLAY_DIS;
aty_st_le32(LVDS_GEN_CNTL, reg);
@@ -1332,8 +1319,10 @@ static void aty128_set_pll(struct aty128_pll *pll,
{
u32 div3;
- unsigned char post_conv[] = /* register values for post dividers */
- { 2, 0, 1, 4, 2, 2, 6, 2, 3, 2, 2, 2, 7 };
+ /* register values for post dividers */
+ static const unsigned char post_conv[] = {
+ 2, 0, 1, 4, 2, 2, 6, 2, 3, 2, 2, 2, 7
+ };
/* select PPLL_DIV_3 */
aty_st_le32(CLOCK_CNTL_INDEX, aty_ld_le32(CLOCK_CNTL_INDEX) | (3 << 8));
@@ -1371,7 +1360,7 @@ static int aty128_var_to_pll(u32 period_in_ps, struct aty128_pll *pll,
const struct aty128fb_par *par)
{
const struct aty128_constants c = par->constants;
- unsigned char post_dividers[] = {1,2,4,8,3,6,12};
+ static const unsigned char post_dividers[] = { 1, 2, 4, 8, 3, 6, 12 };
u32 output_freq;
u32 vclk; /* in .01 MHz */
int i = 0;
@@ -1491,7 +1480,7 @@ static int aty128_ddafifo(struct aty128_ddafifo *dsp,
* This actually sets the video mode.
*/
static int aty128fb_set_par(struct fb_info *info)
-{
+{
struct aty128fb_par *par = info->par;
u32 config;
int err;
@@ -1605,7 +1594,7 @@ static int aty128_encode_var(struct fb_var_screeninfo *var,
var->accel_flags = par->accel_flags;
return 0;
-}
+}
static int aty128fb_check_var(struct fb_var_screeninfo *var,
@@ -1664,19 +1653,6 @@ static void aty128_st_pal(u_int regno, u_int red, u_int green, u_int blue,
struct aty128fb_par *par)
{
if (par->chip_gen == rage_M3) {
-#if 0
- /* Note: For now, on M3, we set palette on both heads, which may
- * be useless. Can someone with a M3 check this ?
- *
- * This code would still be useful if using the second CRTC to
- * do mirroring
- */
-
- aty_st_le32(DAC_CNTL, aty_ld_le32(DAC_CNTL) |
- DAC_PALETTE_ACCESS_CNTL);
- aty_st_8(PALETTE_INDEX, regno);
- aty_st_le32(PALETTE_DATA, (red<<16)|(green<<8)|blue);
-#endif
aty_st_le32(DAC_CNTL, aty_ld_le32(DAC_CNTL) &
~DAC_PALETTE_ACCESS_CNTL);
}
@@ -1788,12 +1764,10 @@ static int aty128_bl_update_status(struct backlight_device *bd)
unsigned int reg = aty_ld_le32(LVDS_GEN_CNTL);
int level;
- if (bd->props.power != FB_BLANK_UNBLANK ||
- bd->props.fb_blank != FB_BLANK_UNBLANK ||
- !par->lcd_on)
+ if (!par->lcd_on)
level = 0;
else
- level = bd->props.brightness;
+ level = backlight_get_brightness(bd);
reg |= LVDS_BL_MOD_EN | LVDS_BLON;
if (level > 0) {
@@ -1870,7 +1844,7 @@ static void aty128_bl_init(struct aty128fb_par *par)
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
- bd = backlight_device_register(name, info->dev, par, &aty128_bl_data,
+ bd = backlight_device_register(name, info->device, par, &aty128_bl_data,
&props);
if (IS_ERR(bd)) {
info->bl_dev = NULL;
@@ -1884,7 +1858,7 @@ static void aty128_bl_init(struct aty128fb_par *par)
219 * FB_BACKLIGHT_MAX / MAX_LEVEL);
bd->props.brightness = bd->props.max_brightness;
- bd->props.power = FB_BLANK_UNBLANK;
+ bd->props.power = BACKLIGHT_POWER_ON;
backlight_update_status(bd);
printk("aty128: Backlight initialized (%s)\n", name);
@@ -1951,7 +1925,6 @@ static int aty128_init(struct pci_dev *pdev, const struct pci_device_id *ent)
/* fill in info */
info->fbops = &aty128fb_ops;
- info->flags = FBINFO_FLAG_DEFAULT;
par->lcd_on = default_lcd_on;
par->crt_on = default_crt_on;
@@ -2002,12 +1975,12 @@ static int aty128_init(struct pci_dev *pdev, const struct pci_device_id *ent)
/* PowerBook Titanium */
if (of_machine_is_compatible("PowerBook3,2"))
default_vmode = VMODE_1152_768_60;
-
- if (default_cmode > 16)
+
+ if (default_cmode > 16)
default_cmode = CMODE_32;
- else if (default_cmode > 8)
+ else if (default_cmode > 8)
default_cmode = CMODE_16;
- else
+ else
default_cmode = CMODE_8;
if (mac_vmode_to_var(default_vmode, default_cmode, &var))
@@ -2017,7 +1990,7 @@ static int aty128_init(struct pci_dev *pdev, const struct pci_device_id *ent)
#endif /* CONFIG_PPC_PMAC */
{
if (mode_option)
- if (fb_find_mode(&var, info, mode_option, NULL,
+ if (fb_find_mode(&var, info, mode_option, NULL,
0, &defaultmode, 8) == 0)
var = default_var;
}
@@ -2052,14 +2025,14 @@ static int aty128_init(struct pci_dev *pdev, const struct pci_device_id *ent)
par->asleep = 0;
par->lock_blank = 0;
+ if (register_framebuffer(info) < 0)
+ return 0;
+
#ifdef CONFIG_FB_ATY128_BACKLIGHT
if (backlight)
aty128_bl_init(par);
#endif
- if (register_framebuffer(info) < 0)
- return 0;
-
fb_info(info, "%s frame buffer device on %s\n",
info->fix.id, video_card);
@@ -2078,6 +2051,10 @@ static int aty128_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
void __iomem *bios = NULL;
#endif
+ err = aperture_remove_conflicting_pci_devices(pdev, "aty128fb");
+ if (err)
+ return err;
+
/* Enable device in PCI config */
if ((err = pci_enable_device(pdev))) {
printk(KERN_ERR "aty128fb: Cannot enable PCI device: %d\n",
@@ -2102,10 +2079,9 @@ static int aty128_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* We have the resources. Now virtualize them */
info = framebuffer_alloc(sizeof(struct aty128fb_par), &pdev->dev);
- if (info == NULL) {
- printk(KERN_ERR "aty128fb: can't alloc fb_info_aty128\n");
+ if (!info)
goto err_free_mmio;
- }
+
par = info->par;
info->pseudo_palette = par->pseudo_palette;
@@ -2188,12 +2164,12 @@ static void aty128_remove(struct pci_dev *pdev)
par = info->par;
- unregister_framebuffer(info);
-
#ifdef CONFIG_FB_ATY128_BACKLIGHT
aty128_bl_exit(info->bl_dev);
#endif
+ unregister_framebuffer(info);
+
arch_phys_wc_del(par->wc_cookie);
iounmap(par->regbase);
iounmap(info->screen_base);
@@ -2325,7 +2301,7 @@ static int aty128fb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
struct aty128fb_par *par = info->par;
u32 value;
int rc;
-
+
switch (cmd) {
case FBIO_ATY128_SET_MIRROR:
if (par->chip_gen != rage_M3)
@@ -2337,8 +2313,8 @@ static int aty128fb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
par->crt_on = (value & 0x02) != 0;
if (!par->crt_on && !par->lcd_on)
par->lcd_on = 1;
- aty128_set_crt_enable(par, par->crt_on);
- aty128_set_lcd_enable(par, par->lcd_on);
+ aty128_set_crt_enable(par, par->crt_on);
+ aty128_set_lcd_enable(par, par->lcd_on);
return 0;
case FBIO_ATY128_GET_MIRROR:
if (par->chip_gen != rage_M3)
@@ -2349,78 +2325,13 @@ static int aty128fb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
return -EINVAL;
}
-#if 0
- /*
- * Accelerated functions
- */
-
-static inline void aty128_rectcopy(int srcx, int srcy, int dstx, int dsty,
- u_int width, u_int height,
- struct fb_info_aty128 *par)
-{
- u32 save_dp_datatype, save_dp_cntl, dstval;
-
- if (!width || !height)
- return;
-
- dstval = depth_to_dst(par->current_par.crtc.depth);
- if (dstval == DST_24BPP) {
- srcx *= 3;
- dstx *= 3;
- width *= 3;
- } else if (dstval == -EINVAL) {
- printk("aty128fb: invalid depth or RGBA\n");
- return;
- }
-
- wait_for_fifo(2, par);
- save_dp_datatype = aty_ld_le32(DP_DATATYPE);
- save_dp_cntl = aty_ld_le32(DP_CNTL);
-
- wait_for_fifo(6, par);
- aty_st_le32(SRC_Y_X, (srcy << 16) | srcx);
- aty_st_le32(DP_MIX, ROP3_SRCCOPY | DP_SRC_RECT);
- aty_st_le32(DP_CNTL, DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM);
- aty_st_le32(DP_DATATYPE, save_dp_datatype | dstval | SRC_DSTCOLOR);
-
- aty_st_le32(DST_Y_X, (dsty << 16) | dstx);
- aty_st_le32(DST_HEIGHT_WIDTH, (height << 16) | width);
-
- par->blitter_may_be_busy = 1;
-
- wait_for_fifo(2, par);
- aty_st_le32(DP_DATATYPE, save_dp_datatype);
- aty_st_le32(DP_CNTL, save_dp_cntl);
-}
-
-
- /*
- * Text mode accelerated functions
- */
-
-static void fbcon_aty128_bmove(struct display *p, int sy, int sx, int dy,
- int dx, int height, int width)
-{
- sx *= fontwidth(p);
- sy *= fontheight(p);
- dx *= fontwidth(p);
- dy *= fontheight(p);
- width *= fontwidth(p);
- height *= fontheight(p);
-
- aty128_rectcopy(sx, sy, dx, dy, width, height,
- (struct fb_info_aty128 *)p->fb_info);
-}
-#endif /* 0 */
-
static void aty128_set_suspend(struct aty128fb_par *par, int suspend)
{
u32 pmgt;
- struct pci_dev *pdev = par->pdev;
if (!par->pdev->pm_cap)
return;
-
+
/* Set the chip into the appropriate suspend mode (we use D2,
* D3 would require a complete re-initialisation of the chip,
* including PCI config registers, clocks, AGP configuration, ...)
@@ -2443,23 +2354,15 @@ static void aty128_set_suspend(struct aty128fb_par *par, int suspend)
aty_st_le32(BUS_CNTL1, 0x00000010);
aty_st_le32(MEM_POWER_MISC, 0x0c830000);
msleep(100);
-
- /* Switch PCI power management to D2 */
- pci_set_power_state(pdev, PCI_D2);
}
}
-static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int aty128_pci_suspend_late(struct device *dev, pm_message_t state)
{
+ struct pci_dev *pdev = to_pci_dev(dev);
struct fb_info *info = pci_get_drvdata(pdev);
struct aty128fb_par *par = info->par;
- /* Because we may change PCI D state ourselves, we need to
- * first save the config space content so the core can
- * restore it properly on resume.
- */
- pci_save_state(pdev);
-
/* We don't do anything but D2, for now we return 0, but
* we may want to change that. How do we know if the BIOS
* can properly take care of D3 ? Also, with swsusp, we
@@ -2473,12 +2376,12 @@ static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state)
*/
return 0;
#endif /* CONFIG_PPC_PMAC */
-
+
if (state.event == pdev->dev.power.power_state.event)
return 0;
printk(KERN_DEBUG "aty128fb: suspending...\n");
-
+
console_lock();
fb_set_suspend(info, 1);
@@ -2518,6 +2421,21 @@ static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state)
return 0;
}
+static int __maybe_unused aty128_pci_suspend(struct device *dev)
+{
+ return aty128_pci_suspend_late(dev, PMSG_SUSPEND);
+}
+
+static int __maybe_unused aty128_pci_hibernate(struct device *dev)
+{
+ return aty128_pci_suspend_late(dev, PMSG_HIBERNATE);
+}
+
+static int __maybe_unused aty128_pci_freeze(struct device *dev)
+{
+ return aty128_pci_suspend_late(dev, PMSG_FREEZE);
+}
+
static int aty128_do_resume(struct pci_dev *pdev)
{
struct fb_info *info = pci_get_drvdata(pdev);
@@ -2564,12 +2482,12 @@ static int aty128_do_resume(struct pci_dev *pdev)
return 0;
}
-static int aty128_pci_resume(struct pci_dev *pdev)
+static int __maybe_unused aty128_pci_resume(struct device *dev)
{
int rc;
console_lock();
- rc = aty128_do_resume(pdev);
+ rc = aty128_do_resume(to_pci_dev(dev));
console_unlock();
return rc;
@@ -2580,7 +2498,12 @@ static int aty128fb_init(void)
{
#ifndef MODULE
char *option = NULL;
+#endif
+ if (fb_modesetting_disabled("aty128fb"))
+ return -ENODEV;
+
+#ifndef MODULE
if (fb_get_options("aty128fb", &option))
return -ENODEV;
aty128fb_setup(option);
generated by cgit (git 2.34.1) at 2025-12-25 17:06:55 +0000