From 2d280f758b2044151cb77fdd9c59d1903bbb6a19 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Tue, 22 Sep 2009 16:47:37 -0700 Subject: viafb: make viafb a first-class citizen using pci_driver Signed-off-by: Harald Welte Signed-off-by: Florian Tobias Schandinat Cc: Scott Fang Cc: Joseph Chan Cc: Jonathan Corbet Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/via/hw.c | 115 ++++--------------------------------------- drivers/video/via/hw.h | 5 +- drivers/video/via/viafbdev.c | 52 ++++++++++++++++--- 3 files changed, 56 insertions(+), 116 deletions(-) (limited to 'drivers/video') diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c index 95faf8be47aa..3e083ff67ae2 100644 --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -21,22 +21,6 @@ #include "global.h" -static const struct pci_device_id_info pciidlist[] = { - {PCI_VIA_VENDOR_ID, UNICHROME_CLE266_DID, UNICHROME_CLE266}, - {PCI_VIA_VENDOR_ID, UNICHROME_PM800_DID, UNICHROME_PM800}, - {PCI_VIA_VENDOR_ID, UNICHROME_K400_DID, UNICHROME_K400}, - {PCI_VIA_VENDOR_ID, UNICHROME_K800_DID, UNICHROME_K800}, - {PCI_VIA_VENDOR_ID, UNICHROME_CN700_DID, UNICHROME_CN700}, - {PCI_VIA_VENDOR_ID, UNICHROME_P4M890_DID, UNICHROME_P4M890}, - {PCI_VIA_VENDOR_ID, UNICHROME_K8M890_DID, UNICHROME_K8M890}, - {PCI_VIA_VENDOR_ID, UNICHROME_CX700_DID, UNICHROME_CX700}, - {PCI_VIA_VENDOR_ID, UNICHROME_P4M900_DID, UNICHROME_P4M900}, - {PCI_VIA_VENDOR_ID, UNICHROME_CN750_DID, UNICHROME_CN750}, - {PCI_VIA_VENDOR_ID, UNICHROME_VX800_DID, UNICHROME_VX800}, - {PCI_VIA_VENDOR_ID, UNICHROME_VX855_DID, UNICHROME_VX855}, - {0, 0, 0} -}; - static struct pll_map pll_value[] = { {CLK_25_175M, CLE266_PLL_25_175M, K800_PLL_25_175M, CX700_25_175M, VX855_25_175M}, @@ -542,7 +526,8 @@ static void set_dvi_output_path(int set_iga, int output_interface); static void set_lcd_output_path(int set_iga, int output_interface); static int search_mode_setting(int ModeInfoIndex); static void load_fix_bit_crtc_reg(void); -static void init_gfx_chip_info(void); +static void init_gfx_chip_info(struct pci_dev *pdev, + const struct pci_device_id *pdi); static void init_tmds_chip_info(void); static void init_lvds_chip_info(void); static void device_screen_off(void); @@ -552,7 +537,6 @@ static void device_off(void); static void device_on(void); static void enable_second_display_channel(void); static void disable_second_display_channel(void); -static int get_fb_size_from_pci(void); void viafb_write_reg(u8 index, u16 io_port, u8 data) { @@ -1937,9 +1921,10 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table, } -void viafb_init_chip_info(void) +void viafb_init_chip_info(struct pci_dev *pdev, + const struct pci_device_id *pdi) { - init_gfx_chip_info(); + init_gfx_chip_info(pdev, pdi); init_tmds_chip_info(); init_lvds_chip_info(); @@ -2012,24 +1997,12 @@ void viafb_update_device_setting(int hres, int vres, } } -static void init_gfx_chip_info(void) +static void init_gfx_chip_info(struct pci_dev *pdev, + const struct pci_device_id *pdi) { - struct pci_dev *pdev = NULL; - u32 i; u8 tmp; - /* Indentify GFX Chip Name */ - for (i = 0; pciidlist[i].vendor != 0; i++) { - pdev = pci_get_device(pciidlist[i].vendor, - pciidlist[i].device, 0); - if (pdev) - break; - } - - if (!pciidlist[i].vendor) - return ; - - viaparinfo->chip_info->gfx_chip_name = pciidlist[i].chip_index; + viaparinfo->chip_info->gfx_chip_name = pdi->driver_data; /* Check revision of CLE266 Chip */ if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) { @@ -2060,8 +2033,6 @@ static void init_gfx_chip_info(void) CX700_REVISION_700; } } - - pci_dev_put(pdev); } static void init_tmds_chip_info(void) @@ -2554,37 +2525,6 @@ void viafb_crt_enable(void) viafb_write_reg_mask(CR36, VIACR, 0x0, BIT5 + BIT4); } -void viafb_get_mmio_info(unsigned long *mmio_base, u32 *mmio_len) -{ - struct pci_dev *pdev = NULL; - u32 vendor, device; - u32 i; - - for (i = 0; pciidlist[i].vendor != 0; i++) - if (viaparinfo->chip_info->gfx_chip_name == - pciidlist[i].chip_index) - break; - - if (!pciidlist[i].vendor) - return ; - - vendor = pciidlist[i].vendor; - device = pciidlist[i].device; - - pdev = pci_get_device(vendor, device, NULL); - - if (!pdev) { - *mmio_base = 0; - *mmio_len = 0; - return ; - } - - *mmio_base = pci_resource_start(pdev, 1); - *mmio_len = pci_resource_len(pdev, 1); - - pci_dev_put(pdev); -} - static void enable_second_display_channel(void) { /* to enable second display channel. */ @@ -2601,44 +2541,7 @@ static void disable_second_display_channel(void) viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6); } -void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len) -{ - struct pci_dev *pdev = NULL; - u32 vendor, device; - u32 i; - - for (i = 0; pciidlist[i].vendor != 0; i++) - if (viaparinfo->chip_info->gfx_chip_name == - pciidlist[i].chip_index) - break; - - if (!pciidlist[i].vendor) - return ; - - vendor = pciidlist[i].vendor; - device = pciidlist[i].device; - - pdev = pci_get_device(vendor, device, NULL); - - if (!pdev) { - *fb_base = viafb_read_reg(VIASR, SR30) << 24; - *fb_len = viafb_get_memsize(); - DEBUG_MSG(KERN_INFO "Get FB info from SR30!\n"); - DEBUG_MSG(KERN_INFO "fb_base = %08x\n", *fb_base); - DEBUG_MSG(KERN_INFO "fb_len = %08x\n", *fb_len); - return ; - } - - *fb_base = (unsigned int)pci_resource_start(pdev, 0); - *fb_len = get_fb_size_from_pci(); - DEBUG_MSG(KERN_INFO "Get FB info from PCI system!\n"); - DEBUG_MSG(KERN_INFO "fb_base = %08x\n", *fb_base); - DEBUG_MSG(KERN_INFO "fb_len = %08x\n", *fb_len); - - pci_dev_put(pdev); -} - -static int get_fb_size_from_pci(void) +int viafb_get_fb_size_from_pci(void) { unsigned long configid, deviceid, FBSize = 0; int VideoMemSize; diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h index 4e54b2f92d0f..b874d952b446 100644 --- a/drivers/video/via/hw.h +++ b/drivers/video/via/hw.h @@ -901,14 +901,15 @@ void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp, int vmode_index1, int hor_res1, int ver_res1, int video_bpp1); -void viafb_init_chip_info(void); +void viafb_init_chip_info(struct pci_dev *pdev, + const struct pci_device_id *pdi); void viafb_init_dac(int set_iga); int viafb_get_pixclock(int hres, int vres, int vmode_refresh); int viafb_get_refresh(int hres, int vres, u32 float_refresh); void viafb_update_device_setting(int hres, int vres, int bpp, int vmode_refresh, int flag); -void viafb_get_mmio_info(unsigned long *mmio_base, u32 *mmio_len); +int viafb_get_fb_size_from_pci(void); void viafb_set_iga_path(void); void viafb_set_primary_address(u32 addr); void viafb_set_secondary_address(u32 addr); diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 3815a9b07195..c661ab62c057 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -1842,7 +1842,8 @@ out_default: *yres = 480; } -static int __devinit via_pci_probe(void) +static int __devinit via_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) { u32 default_xres, default_yres; int vmode_index; @@ -1885,8 +1886,9 @@ static int __devinit via_pci_probe(void) /* Set up I2C bus stuff */ viafb_create_i2c_bus(viaparinfo); - viafb_init_chip_info(); - viafb_get_fb_info(&viaparinfo->fbmem, &viaparinfo->memsize); + viafb_init_chip_info(pdev, ent); + viaparinfo->fbmem = pci_resource_start(pdev, 0); + viaparinfo->memsize = viafb_get_fb_size_from_pci(); viaparinfo->fbmem_free = viaparinfo->memsize; viaparinfo->fbmem_used = 0; viafbinfo->screen_base = ioremap_nocache(viaparinfo->fbmem, @@ -1896,8 +1898,8 @@ static int __devinit via_pci_probe(void) return -ENOMEM; } - viafb_get_mmio_info(&viafbinfo->fix.mmio_start, - &viafbinfo->fix.mmio_len); + viafbinfo->fix.mmio_start = pci_resource_start(pdev, 1); + viafbinfo->fix.mmio_len = pci_resource_len(pdev, 1); viafbinfo->node = 0; viafbinfo->fbops = &viafb_ops; viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; @@ -2065,7 +2067,7 @@ static int __devinit via_pci_probe(void) return 0; } -static void __devexit via_pci_remove(void) +static void __devexit via_pci_remove(struct pci_dev *pdev) { DEBUG_MSG(KERN_INFO "via_pci_remove!\n"); fb_dealloc_cmap(&viafbinfo->cmap); @@ -2157,6 +2159,40 @@ static int __init viafb_setup(char *options) } #endif +static struct pci_device_id viafb_pci_table[] __devinitdata = { + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID), + .driver_data = UNICHROME_CLE266 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID), + .driver_data = UNICHROME_PM800 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID), + .driver_data = UNICHROME_K400 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K800_DID), + .driver_data = UNICHROME_K800 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID), + .driver_data = UNICHROME_CN700 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID), + .driver_data = UNICHROME_K8M890 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CX700_DID), + .driver_data = UNICHROME_CX700 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID), + .driver_data = UNICHROME_P4M900 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN750_DID), + .driver_data = UNICHROME_CN750 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX800_DID), + .driver_data = UNICHROME_VX800 }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX855_DID), + .driver_data = UNICHROME_VX855 }, + { } +}; +MODULE_DEVICE_TABLE(pci, viafb_pci_table); + +static struct pci_driver viafb_driver = { + .name = "viafb", + .id_table = viafb_pci_table, + .probe = via_pci_probe, + .remove = __devexit_p(via_pci_remove), +}; + static int __init viafb_init(void) { #ifndef MODULE @@ -2168,13 +2204,13 @@ static int __init viafb_init(void) printk(KERN_INFO "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n", VERSION_MAJOR, VERSION_MINOR); - return via_pci_probe(); + return pci_register_driver(&viafb_driver); } static void __exit viafb_exit(void) { DEBUG_MSG(KERN_INFO "viafb_exit!\n"); - via_pci_remove(); + pci_unregister_driver(&viafb_driver); } static struct fb_ops viafb_ops = { -- cgit v1.2.3-58-ga151